--- Log opened Thu Nov 01 00:00:54 2012
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2012-11-01T00:59:47 < Tectu> question related to SPI of F4: which bit does make it send and receive 8, instead of 16-bit?
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2012-11-01T01:12:11 < dongs> Tectu: the one in the manual
2012-11-01T01:12:24 < dongs> or one in stdperiphlib.
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2012-11-01T01:54:01 < ds2> dongs: did the mail get through?
2012-11-01T01:58:59 < dongs> 17:52 < dongs> ds2: stuff received, will let you know tomorrow morning about manufactureability+cost
2012-11-01T01:59:02 < dongs> 18:44 < dongs> ds2: looks like you get free enig
2012-11-01T01:59:29 < ds2> dongs: sorry, things got lost in my scroll back
2012-11-01T01:59:33 < dongs> np
2012-11-01T01:59:37 < dongs> i think you were sleeping already
2012-11-01T01:59:39 < ds2> email to asian IPs can get iffy due to spam traffic
2012-11-01T01:59:50 < ds2> no, it is 1700 local time here
2012-11-01T02:01:39 < dongs> back then it wasnt. anyhow, i had a quick look it should be doable, i passed the stuff over to the guy that does merging/checking of shit. will let you know
2012-11-01T02:02:40 < ds2> seems like I have about 40% chance having a mail going to a .vn address getting through
2012-11-01T02:03:15 < dongs> overloaded with dickgirl traffic
2012-11-01T02:14:20 < dongs> http://i.imgur.com/Bmdrs.jpg
2012-11-01T02:16:30 < dongs> time to furiously dicknplace
2012-11-01T02:26:04 < emeb> dongs: stuff arrived!
2012-11-01T02:36:04 < dongs> oh nice
2012-11-01T02:37:59 < emeb> Got the DK stuff too, ordered the wrong @#$ sockets for the arrays though :P
2012-11-01T02:39:50 < ds2> arrays?
2012-11-01T02:39:59 < emeb> 8x8 RGB
2012-11-01T02:40:17 < ds2> ooh
2012-11-01T02:40:26 < ds2> what's the total resolution?
2012-11-01T02:40:53 < emeb> Only have enough for 4 boards => 16x16.
2012-11-01T02:41:15 < emeb> but the design is scalable to as many as you can string together.
2012-11-01T02:41:41 < ds2> personal project?
2012-11-01T02:41:49 < emeb> yeah - just goofing.
2012-11-01T02:43:43 < ds2> did you see the app note where they added a DVI type interface to a display like that?
2012-11-01T02:44:50 < emeb> no. sounds hilarious.
2012-11-01T02:45:30 < ds2> look for app note 4208 by maxim
2012-11-01T02:48:39 < emeb> got it - looks interesting.
2012-11-01T02:49:28 < emeb> "9600 MAX6974 LED drivers to drive 76,800 OVSRRGBCC3 RGB LEDs"
2012-11-01T02:49:37 < emeb> a little outside my budget.
2012-11-01T02:51:07 < ds2> it is a bit higher resolution
2012-11-01T02:56:21 < dongs> ds2: oh, apprently was already checked yesterday. manufactureable, same cost as quoted, shipping is 29bucks for EMS
2012-11-01T02:56:40 < dongs> free enig cause its going with another panel that's enig'd
2012-11-01T02:57:40 < emeb> dongs: nice looking boards.
2012-11-01T02:57:44 < dongs> emeb: yep.
2012-11-01T02:57:52 < dongs> emeb: i guess ishould paste the sores i had
2012-11-01T02:57:55 < dongs> so you dont have to reinvent some of the wheel
2012-11-01T02:58:33 < emeb> that would be helpful
2012-11-01T02:58:33 < dongs> timecop.mine.nu/seedled.zip
2012-11-01T02:58:44 < dongs> and uh..
2012-11-01T02:58:50 < dongs> i guess you need layout data
2012-11-01T02:58:53 < dongs> for assembling the shit.
2012-11-01T02:59:05 < dongs> got dicktrace installed somewehre?
2012-11-01T02:59:21 < emeb> No diptrace, but I've got the schematic & layout pix already.
2012-11-01T02:59:25 < emeb> should be enough, no?
2012-11-01T02:59:29 < dongs> right, wasnt sure if that would be enough
2012-11-01T02:59:35 < dongs> it probably is since its pretty easy
2012-11-01T02:59:43 < emeb> yeah - not too much going on.
2012-11-01T03:00:03 < dongs> ya, just looked it over... pretty obvious shit.
2012-11-01T03:00:06 < emeb> HASL is so shiny! Not used to that on the china boards I get from BatchPCB
2012-11-01T03:00:15 < dongs> they probably sit outside for a week
2012-11-01T03:00:19 < dongs> getting rained on
2012-11-01T03:00:19 < dongs> heh
2012-11-01T03:00:23 < emeb> lol
2012-11-01T03:03:39 < emeb> only thing unusual for me is  going to be reflowing the driver chips. Need to bust out the hotplate.
2012-11-01T03:04:26 < dongs> i just used hot air head
2012-11-01T03:04:34 < dongs> i mean, not heating from bottom.
2012-11-01T03:05:26 < emeb> Good idea - I've got a hand-held hot-air gun w/ adjustable temp / flow.
2012-11-01T03:05:59 < emeb> Never used it for soldering before though - just heatshrink.
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2012-11-01T03:06:37 < dongs> i dunnom if hasl will like being heated a lot from the bottom.
2012-11-01T03:06:48 < emeb> yeah - could get ugly.
2012-11-01T03:07:12 < dongs> i forgot if I did drivers first or last on this.
2012-11-01T03:07:55 < emeb> they're far enough away from everything it probably wouldn't matter.
2012-11-01T03:30:48 < dongs> lookin forward to pics of your handassembly
2012-11-01T03:32:08 < emeb> heh. hopefully not too ugly.
2012-11-01T03:32:31 < emeb> Probably won't get to it until the weekend though.
2012-11-01T03:34:06 < Bird|lappy> emeb: also: what do you do about the KiCAD diode symbols insisting that pin 1 = anode? :P
2012-11-01T03:34:22 < emeb> what's the problem?
2012-11-01T03:34:41 < Bird|lappy> IPC-compliant footprint libs use pin 1 = cathode as their diode convention
2012-11-01T03:35:01 < emeb> so make your own symbol.
2012-11-01T03:35:33  * emeb always assumes that every library is wrong.
2012-11-01T03:38:22 < dongs>  * emeb always assumes that every library is dong.
2012-11-01T03:38:24 < dongs> ^ fix'd
2012-11-01T03:38:46 < emeb> lol
2012-11-01T03:40:50 < dongs> or , more correctly, ddong. google image search that.
2012-11-01T03:41:52 < dongs> http://ohmyomo.files.wordpress.com/2012/01/ohmyomo-poop-bread-in-korea-ddong-bang.jpg [ buy it now ]
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2012-11-01T04:19:36 < emeb> not doing that google image search.
2012-11-01T04:24:31 < dongs> lo
2012-11-01T04:27:31 < emeb> dongs: is that board lead-free?
2012-11-01T04:27:35 < dongs> yea
2012-11-01T04:27:45 < emeb> probably explains why it's so shiny...
2012-11-01T04:27:56 < dongs> pretty sure our hasl is leadfree
2012-11-01T04:28:09 < emeb> also means I should probably _not_ use my Pb solder on it.
2012-11-01T04:28:39 < Bird|lappy> emeb, actually, I've used 63/37 solder on Pb-free HASL board finishes
2012-11-01T04:28:45 < Bird|lappy> seems to be fine. o.o
2012-11-01T04:29:37 < emeb> Bird|lappy: Oh yeah? OK. In the past I was given to understand that mixing would lead to strange crystallization problems.
2012-11-01T04:42:50 < dongs> actualyl, no, its not leadfree. and ive been soldering using leadree on top of hasl protos.
2012-11-01T04:42:59 < dongs> SnHASL is extra
2012-11-01T04:43:42 < emeb> Good to know - won't waste time trying to find Pb-free solder.
2012-11-01T04:44:14 < emeb> I can get 0.032" easy, but I prefer 0.015" for SMD work and that's damn-near unobtainium unless I mail-order.
2012-11-01T04:44:38 < ds2> using leaded solder on almost any board makes it easier
2012-11-01T04:45:06 < emeb> yup, and you can run the iron about 40C cooler.
2012-11-01T04:45:34 < ds2> that's fine if you have a temp adjustable iron
2012-11-01T04:45:45 < ds2> I'd need to change tips to do that
2012-11-01T04:45:46 < emeb> and you really _ought_ to.
2012-11-01T04:46:17 < ds2> from what I seeing in practice, I rarely see adjustable irons in commercial environments
2012-11-01T04:46:32 < emeb> You rarely see it in _production_ environments.
2012-11-01T04:46:43 < dongs> i use 0.3mm leadfree solder wire for hand-work
2012-11-01T04:46:44 < emeb> they don't want the assembler ladies monkeying with the settings.
2012-11-01T04:46:48 < dongs> no idea what hte fuck is in yank units.
2012-11-01T04:47:17 < ds2> no...even engineering labs use nonadjustable irons
2012-11-01T04:47:24 < ds2> 0.3mm is about 12mil
2012-11-01T04:47:32 < ds2> 40mil is ~1mm
2012-11-01T04:47:51 < ds2> 39.something is the actual number but 40 is a useable approx
2012-11-01T04:47:53 < emeb> so my 0.015" is about the same as dongs' 0.3mm
2012-11-01T04:48:43 < ds2> emeb: what's the adjustable iron you see used a lot?
2012-11-01T04:49:04 < emeb> ds2: I've got a Hakko 936, but those are EOL.
2012-11-01T04:49:25 < ds2> emeb: interesting... around here, the standard iron is a Metcal
2012-11-01T04:49:26 < emeb> The techs at the company I used to work for had adjustables, but I don't remember the mfg.
2012-11-01T04:49:57 < emeb> dongs has a nice aoyue station w/ iron and air.
2012-11-01T04:50:07 < ds2> wonder if metcals are a california thing
2012-11-01T04:51:35 < dongs> no, ive heard other bloggers swearing metcal is the awesomest ever
2012-11-01T04:52:34 < ds2> I been very happy with it
2012-11-01T04:53:08 < ds2> their low end/entry level ones seems to work as well as the regular ones
2012-11-01T04:53:58 < emeb> they're certainly pretty.
2012-11-01T04:54:23 < emeb> so the temperature is set by the tip?
2012-11-01T04:54:50 < ds2> yes
2012-11-01T04:54:59 < ds2> temperature is based on the curie point of the material
2012-11-01T04:55:58 < dongs> my problem is lack of fume exaust at the tip.
2012-11-01T04:56:04 < dongs> or fume extraction or whaever.
2012-11-01T04:56:09 < dongs> never using an iron without that agian
2012-11-01T04:56:44 < ds2> isn't hot air the only way to get that?
2012-11-01T04:58:39 < dongs> no?
2012-11-01T04:58:46 < dongs> i mean you can always run a hose and sucker to the tip.
2012-11-01T04:58:58 < ds2> ohhhh like that
2012-11-01T04:59:42 < dongs> its prob not a hard mod to just 'do'
2012-11-01T05:00:18 < ds2> never needed that
2012-11-01T05:00:23 < dongs> hmm
2012-11-01T05:00:23 < Bird|lappy> I have a Xytronic LF369D temp controlled station that works well for what I've used it for so far
2012-11-01T05:00:27 < dongs> got airmail pcb from UK
2012-11-01T05:00:30 < dongs> what the hell could it be
2012-11-01T05:00:40 < dongs> OHH
2012-11-01T05:00:40 < emeb> Laurenceb_:
2012-11-01T05:00:43 < dongs> F3discovery!!!
2012-11-01T05:00:53 < emeb> nice
2012-11-01T05:01:02 < emeb> I'm still due one from DK.
2012-11-01T05:02:00 < emeb> They're still showing 0 in stock but their BO system said they'd have 'em today.
2012-11-01T05:02:43 < ds2> wonder how long is the wait queue on that at DK
2012-11-01T05:02:48 < dongs> lol
2012-11-01T05:02:50 < dongs> i cancelled that order
2012-11-01T05:02:56 < dongs> mine was also "due" 10/31
2012-11-01T05:03:01 < emeb> Yeah. Today.
2012-11-01T05:03:03 < dongs> i figured im not getting it until next year from them
2012-11-01T05:03:09 < emeb> Mouser says due 11-12
2012-11-01T05:03:43 < emeb> I'll have my little breakout built before I get that.
2012-11-01T05:04:23 < dongs> posted on 10/25
2012-11-01T05:04:25 < dongs> in uk
2012-11-01T05:04:30 < emeb> not bad
2012-11-01T05:04:32 < dongs> only took 5 days by airmail
2012-11-01T05:05:16 < emeb> JP -> US was 10/22 -> 10/31
2012-11-01T05:07:14 < dongs> oh thats not bad at all
2012-11-01T05:07:23 < dongs> andi bet the last delay was cuz USPS is closed on weekends
2012-11-01T05:08:04 < emeb> probably.
2012-11-01T05:08:18 < emeb> and now I know where dongs works. :)
2012-11-01T05:08:27 < dongs> jp stuff moves 7 days a week
2012-11-01T05:08:39 < dongs> i can post on saturday or sunday and it actually moves over to intl center and leaves the country.
2012-11-01T05:09:14 < dongs> and of course tehy deliver sat/sun as well.
2012-11-01T05:09:28 < emeb> wow.
2012-11-01T05:09:32 < emeb> not like lazy gringos.
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2012-11-01T05:48:04 < dongs> oven time.
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2012-11-01T06:29:18 < emeb> well, reflowed the drivers onto the board.
2012-11-01T06:29:48 < dongs> do ethy still look in one piec?
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2012-11-01T06:30:01 < emeb> yeah. no visible signs of damage. :D
2012-11-01T06:31:22 < dongs> i gotta get this work crap off my desk then i can start fearing f3disco
2012-11-01T06:32:09 < emeb> plug it in, relaxen und watchen das blinkenlights.
2012-11-01T06:33:30 < dongs> emeb: still have the envelope?
2012-11-01T06:33:32 < dongs> check how much was postage.
2012-11-01T06:33:38 < dongs> i do need to send y ou a bill at somepoint ;p
2012-11-01T06:34:25 < emeb> does 240 sound right?
2012-11-01T06:34:29 < dongs> yep
2012-11-01T06:35:30 < emeb> about $3.00
2012-11-01T06:35:41 < dongs> poor american money.
2012-11-01T06:35:50 < dongs> apparently thre's a place in switzerland called Luzern
2012-11-01T06:36:02 < emeb> Lucerne?
2012-11-01T06:36:28 < dongs> dunno thats what its written as
2012-11-01T06:37:06 < emeb> Luzern is the German spelling, Lucerne is how we English speakers do it.
2012-11-01T06:38:36 < dongs> not nearlyt as funny in english :)
2012-11-01T06:39:03 < emeb> anything with a Z in it is funny.
2012-11-01T06:39:31 < emeb> eg - a particular German political party from years ago. Hilarious.
2012-11-01T06:40:43 < dongs> german sounds fucking angry, all the time
2012-11-01T06:41:41 < baird> The German schoolie girls who I camped with on the Postie trip sounded hot, though. :P
2012-11-01T06:41:55 < emeb> I wouldn't know - my mother is German and I understand a fair amount of it so I don't notice that so much.
2012-11-01T06:42:42 < emeb> Probably because when you hear it in  movies they're usually the bad guys. :)
2012-11-01T06:43:14 < dongs> http://www.futuramaff.com/showthread.php?t=11145
2012-11-01T06:43:47 < dongs> at least failrama fans agree.
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2012-11-01T06:45:14 < dongs> holy fuck
2012-11-01T06:45:17 < dongs> TI shipped my stellaris shit.
2012-11-01T06:45:33 < dongs> haha.. by fedex
2012-11-01T06:48:51 < dongs> the guy in NY finally shipped my scooter belt.
2012-11-01T06:49:10 < dongs> he's definitely getting a A+ feedback.
2012-11-01T06:49:15 < emeb> lots of goodies for dongs
2012-11-01T06:49:44 < dongs> stomped through the debris on the way to post office to get this out to me in record time
2012-11-01T06:50:02 < baird> ITAR and Customs haven't had their chance yet..
2012-11-01T06:51:07 < dongs> its not like hes shipping to north korea...
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2012-11-01T06:53:14 < ds2> wonder if the F3/F4's count as "supercomputers" for ITAR purposes
2012-11-01T06:53:49 < dongs> they do
2012-11-01T06:53:53 < dongs> digieky wont ship them to me.
2012-11-01T06:53:55 < baird> You're implying that Homeland Security grunts can tell the difference between Japan and North Korea.
2012-11-01T06:53:56 < ds2> oh my
2012-11-01T06:53:58 < dongs> at least F407's
2012-11-01T06:54:00 < dongs> due to crypto
2012-11-01T06:54:07 < dongs> also gyros
2012-11-01T06:54:14 < dongs> anything > 1000dps = military grade
2012-11-01T06:54:15 < dongs> lulz.
2012-11-01T06:54:16 < ds2> no exemption numbers?
2012-11-01T06:54:18 < emeb> ds2: didn't they have trouble with Beagleboards for the same reason?
2012-11-01T06:54:40 < ds2> the beagle's got an exemption
2012-11-01T06:54:48 < emeb> now, but at first...
2012-11-01T06:54:52 < ds2> "consumer electronic product" was the classification
2012-11-01T06:54:59 < ds2> no, that's a snarfu on Digikey's part
2012-11-01T06:54:59 < dongs> luckily mouser doesnt give a fuck...
2012-11-01T06:55:20 < emeb> ah - DK's screwed up databases again.
2012-11-01T06:56:15 < ds2> the fines are pretty large for knowingly violating it
2012-11-01T06:57:18 < emeb> remind me to never get into the export business.
2012-11-01T06:57:39 < ds2> best to pay someone that is familar with the paperwork to do it
2012-11-01T06:58:31 < dongs> oh what teh fuck
2012-11-01T06:58:35 < dongs> "preview hte new compose"
2012-11-01T06:58:37 < dongs> on google mail
2012-11-01T06:59:28 < emeb> yay - changes.
2012-11-01T07:00:10 < dongs> except shit ones.
2012-11-01T07:00:17 < dongs> new UI isnt even fullscreen.
2012-11-01T07:00:23 < dongs> it just pops up some trash over the inbox.
2012-11-01T07:00:25 < dongs> fucking stupid.
2012-11-01T07:00:38 < dongs> luckily they have the new button to go back
2012-11-01T07:00:39 < emeb> probably tweaked to fit on the screen of their latest tablets.
2012-11-01T07:00:51 < ds2> web guys like to make everything as useless as possible
2012-11-01T07:00:56 < ds2> the new DK interface blows
2012-11-01T07:01:14 < emeb> DK's website has always been... lacking.
2012-11-01T07:01:20 < dongs> new?
2012-11-01T07:01:24 < dongs> what hte fuck did they do
2012-11-01T07:01:29 < emeb> And Mouser's always crashed my Firefox.
2012-11-01T07:01:33 < dongs> or do you mean frontpage
2012-11-01T07:01:35 < dongs> > firefox
2012-11-01T07:01:36 < emeb> so now I use chrome.
2012-11-01T07:01:37 < dongs> found your problem
2012-11-01T07:01:37 < ds2> they destroy the ability to backup in the selector
2012-11-01T07:01:41 < dongs> probably firefox on lunix.
2012-11-01T07:01:51 < emeb> dongs: how'd you know. :)
2012-11-01T07:01:57 < dongs> cuase chrome never crashes
2012-11-01T07:02:12 < emeb> It's been good for me so far.
2012-11-01T07:02:25 < ds2> the selector used to be perfect... select something, don't like it, back up, and redo
2012-11-01T07:02:33 < ds2> now it either refuses or if you insist, it'll error out
2012-11-01T07:03:03 < dongs> cant you do that already?
2012-11-01T07:03:09 < dongs> just go back and unselect
2012-11-01T07:03:12 < ds2> nope
2012-11-01T07:03:14 < dongs> works for me in chrome anyhow.
2012-11-01T07:03:20 < ds2> their new UI is messed up
2012-11-01T07:03:25 < ds2> firefox resubmits I think
2012-11-01T07:04:12 < dongs> must be failfox..
2012-11-01T07:04:13 < dongs> wors here.
2012-11-01T07:04:19 < emeb> bbiab...
2012-11-01T07:04:22 -!- emeb [~ericb@ip72-201-79-123.ph.ph.cox.net] has quit [Quit: Leaving.]
2012-11-01T07:04:26 < ds2> maybe
2012-11-01T07:05:02 < dongs> they did finally add sort by qty/price...
2012-11-01T07:05:09 < dongs> that took about 5 years of whining :)
2012-11-01T07:05:23 < ds2> hmmm you seem to have the 3 month old version compared to what I am seeing
2012-11-01T07:05:27 < ds2> are you using the main dk site?
2012-11-01T07:05:30 < dongs> yes
2012-11-01T07:05:41 < dongs> http://www.digikey.com/product-search/en/industrial-controls-meters/meters-panel-digital/2949956?k=jew
2012-11-01T07:05:48 < dongs> like i click voltmeter here..
2012-11-01T07:05:50 < dongs> apply filters
2012-11-01T07:05:52 < dongs> it shows more shit
2012-11-01T07:05:55 < dongs> i can press back
2012-11-01T07:05:57 < dongs> unselect voltmeter,
2012-11-01T07:05:58 < dongs> apply
2012-11-01T07:06:00 < dongs> to get proper list again.
2012-11-01T07:06:03 < dongs> no issues.
2012-11-01T07:06:11 < ds2> now, go all the way til you loose the top selector
2012-11-01T07:06:14 < ds2> try going back after that
2012-11-01T07:06:25 < dongs> yep
2012-11-01T07:06:26 < dongs> works fine
2012-11-01T07:06:31 < dongs> alt-back, it goes back to previous filter.
2012-11-01T07:06:34 < dongs> i can unselect and resubmit.
2012-11-01T07:06:40 < dongs> or choose another selection
2012-11-01T07:06:45 < ds2> hmmmmm I can get it to give me web errors
2012-11-01T07:06:48 < dongs> this is pretty basic stuff, they'd have to be really fucking it up to break it
2012-11-01T07:07:07 < dongs> i use the back+fix feature a LOT, so i would notice if it was broken.
2012-11-01T07:07:12 < ds2> not really, if they switch to using cookies and other stuff, it'd break it easy
2012-11-01T07:07:14 < dongs> you sure its not some adblockign trash thats killing it?
2012-11-01T07:07:21 < ds2> pretty sure
2012-11-01T07:07:23 < ds2> it used to work for me
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2012-11-01T07:15:35 < dongs> oh
2012-11-01T07:15:41 < dongs> f3disco uses ES chips
2012-11-01T07:16:14 < emeb_mac> oop
2012-11-01T07:16:28 < ds2> what's ES?
2012-11-01T07:16:28 < emeb_mac> I guess one way to use up ES parts
2012-11-01T07:16:35 < ds2> Engineering Silicon?
2012-11-01T07:16:39 < dongs> y
2012-11-01T07:16:49 < emeb_mac> Pre-release parts
2012-11-01T07:17:44 < dongs> im not so sure release F303 parts exist yet :)
2012-11-01T07:17:58 < ds2> didn't know ST uses the same ES notation as TI
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2012-11-01T07:18:08 < ds2> Motorola use to use X in the designation
2012-11-01T07:18:31 < dongs> compass demo works preetty good
2012-11-01T07:18:38 < dongs> Laurenceb_ must have been smoking something when he said his was wrong.
2012-11-01T07:18:49 < dongs> it properly points north until its tilted too mcuh, which makes sense considering the algorithm
2012-11-01T07:19:04 < dongs> or maybe he got a busted mago
2012-11-01T07:19:05 < dongs> magno
2012-11-01T07:19:28 < ds2> or prehaps he needs a cal sequence?
2012-11-01T07:19:36 < dongs> no there is nt one
2012-11-01T07:19:42 < dongs> i just plugged my shit in and it works
2012-11-01T07:19:46 < emeb_mac> mag decl in UK is wrong?
2012-11-01T07:19:56 < dongs> his wasnt even like, working at all
2012-11-01T07:19:57 < ds2> doesn't the demo use the iNEMO stuff?
2012-11-01T07:20:11 < dongs> <laurenceb> i turn it around and compass does fuck all
2012-11-01T07:20:15 < dongs> it was something along these lines
2012-11-01T07:20:19 < dongs> mine properly keeps led pointed north.
2012-11-01T07:20:26 < dongs> as i rotate the board
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2012-11-01T07:20:47 < dongs> its not like magnetic declination is gona make a huge difference anyway.
2012-11-01T07:20:50 < dongs> its like < 10degrees.
2012-11-01T07:21:01 < dongs> unless y oure in antarctica or somethign
2012-11-01T07:23:03 < baird> steel table?
2012-11-01T07:23:23 < dongs> dunno i dont remember if he ever solved it
2012-11-01T07:23:30 < emeb_mac> metal bar in his leg?
2012-11-01T07:23:35 < dongs> he startd hacking firmware and replaced all spaces with nothing, so it started breaking even more
2012-11-01T07:23:38 < dongs> and i think he gave up after that
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2012-11-01T07:24:41 < baird> My f3disco is easily confused by the metal bar underneath the workbench
2012-11-01T07:24:59 < baird> Carry it away from the table, and it's a-okay
2012-11-01T07:31:46 < dongs> http://news.msn.com/us/smugglers-try-driving-over-us-border-fence-get-stuck
2012-11-01T07:33:27 < emeb_mac> our border here is so crazy.
2012-11-01T07:40:52 < emeb_mac> That section is in sand dunes and is only about 500' from a major freeway.
2012-11-01T07:41:17 < dongs> they shoulda just jumped it in the jeep
2012-11-01T07:41:23 < dongs> build rails on the mexico side
2012-11-01T07:41:24 < emeb_mac> you have to be careful at night - the coyotes like to drive on the wrong side of the road, at night to get past ICE.
2012-11-01T07:41:27 < dongs> and just gun it
2012-11-01T07:42:26 < dongs> how does driving on wrong side of the road solve the problem
2012-11-01T07:42:29 < dongs> isnt that ctually more obivous
2012-11-01T07:42:32 < dongs> that youre doing somethign wrong
2012-11-01T07:42:45 < emeb_mac> the checkpoints are only on one side of the road.
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2012-11-01T07:42:52 < emeb_mac> so they drive on the other side.
2012-11-01T07:42:59 < dongs> haha
2012-11-01T07:43:37 < emeb_mac> yeah - stupidity on the part of the border patrol too.
2012-11-01T07:44:34 < emeb_mac> although last time I went that way they did have cameras on the non-checkpoint side.
2012-11-01T07:46:22 < dongs> what do the checkpoints do anyway
2012-11-01T07:46:27 < dongs> stop every car and check for messicans?
2012-11-01T07:48:15 < emeb_mac> yep
2012-11-01T07:48:37 < emeb_mac> they've got them anywhere the freeway gets close to the border.
2012-11-01T07:48:57 < emeb_mac> Here's the closest point: https://maps.google.com/maps?q=yuma&hl=en&ll=32.708511,-114.942682&spn=0.018525,0.038581&sll=33.3955,-111.737758&sspn=0.294089,0.617294&t=h&hnear=Yuma,+Arizona&z=15&layer=c&cbll=32.708511,-114.942682&panoid=E39y1EqTgI98MkEwKWkWmg&cbp=12,165.25,,0,0
2012-11-01T07:49:11 < emeb_mac> you can see the white barricades
2012-11-01T07:49:23 < emeb_mac> and the big fence is further on to the horizon.
2012-11-01T07:50:05 < dongs> the white shit is the fence?
2012-11-01T07:50:31 < dongs> or the brown stuff
2012-11-01T07:50:34 < dongs> that looks high
2012-11-01T07:50:53 < emeb_mac> the main fence is off in the distance - pretty tall (like the pix you linked)
2012-11-01T07:51:04 < dongs> so wha is that white shit
2012-11-01T07:51:07 < dongs> that looks like construction signs
2012-11-01T07:51:11 < emeb_mac> the white is just a low barricade to keep them from racing onto the freeway from the sand
2012-11-01T07:51:29 < emeb_mac> once they clear the main fence (and they do sometimes)
2012-11-01T07:56:02 < dongs> oOOo looks like im geting stm32logger clone boards tormorw
2012-11-01T07:56:09 < dongs> laurenceb will be pleased
2012-11-01T07:56:50 < ds2> yikes... u-boot doesn't seem to have a port for the F1
2012-11-01T07:57:24 < dongs> time to scratch an itch
2012-11-01T07:57:42 < ds2> how different is the F1 and the F2 internals?
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2012-11-01T07:58:06 < dongs> much saner GPIO
2012-11-01T07:58:12 < dongs> usb host/device
2012-11-01T07:58:24 < ds2> saner in what way?
2012-11-01T07:58:34 < dongs> alternate function stuff
2012-11-01T07:58:44 < dongs> you can remap parts of peripheral without disabling blocks of pins
2012-11-01T07:58:48 < ds2> trying to see how hard it is to back port uboot for the F2 onto the F1
2012-11-01T07:58:53 < dongs> oh
2012-11-01T07:58:55 < ds2> oh
2012-11-01T07:58:56 < dongs> that shouldnt matter i guess
2012-11-01T07:58:58 < ds2> Hmmmmmmmmmmmmm
2012-11-01T07:59:06 < ds2> why do I get the feeling I could be screwed
2012-11-01T07:59:18 < dongs> url to uboot for F2?
2012-11-01T07:59:25 < ds2> one sec
2012-11-01T07:59:42 < dongs> if its just bringing up hardware + pll + initialize fsmc or something it should be more or less ~ equivalent
2012-11-01T08:00:42 < emeb_mac> I wouldn't expect a huge deal.
2012-11-01T08:00:46 < ds2> https://github.com/EmcraftSystems
2012-11-01T08:01:18 < ds2> i was under the impression that the GPIO will always let me choose GPIO or peripherial on an pin by pin basis
2012-11-01T08:01:25 < ds2> and you seem to be telling me I can't
2012-11-01T08:01:33 < ds2> (on the F1)
2012-11-01T08:01:54 < dongs> oh, you can alays choose GPIO
2012-11-01T08:01:59 < dongs> but if you remap peripherals
2012-11-01T08:02:07 < dongs> the entire block goes
2012-11-01T08:02:16 < dongs> you can always do AIN, GPIO on any pin that suports that
2012-11-01T08:02:16 < ds2> what do you mean?
2012-11-01T08:02:27 < dongs> but if you move say SPI1... into 2 blocks it can be remapped to
2012-11-01T08:02:29 < dongs> you cant move half of it..
2012-11-01T08:02:30 < ds2> so if I enable FSMC, i loose the entire port that FSMC uses?
2012-11-01T08:02:37 < dongs> like SPI1_SCK on one side and SPI1_MOSI on another side
2012-11-01T08:02:43 < ds2> Ohhh like that.
2012-11-01T08:02:49 < ds2> you have me worried for a moment
2012-11-01T08:03:00 < dongs> no, you dont lose any pins besides fsmc pins
2012-11-01T08:03:03 < dongs> whe nits enabled
2012-11-01T08:03:13 < dongs> when you do AF_PP or wahtever for FSMC shit, only those pins are affected
2012-11-01T08:03:21 < ds2> the high address pins are unneeded and I am using some of them as a GPIO
2012-11-01T08:03:24 < dongs> right
2012-11-01T08:03:25 < dongs> thats perfectly fine
2012-11-01T08:03:31 < dongs> just init them as gpio in any way you want and it works
2012-11-01T08:03:45 < dongs> im doing same on my SPI stuff
2012-11-01T08:03:54 < dongs> im only using SCK + MOSI, so i have other pins set as unused.
2012-11-01T08:03:54 < ds2> that's fine
2012-11-01T08:03:59 < dongs> youre not forced to keep them as that device.
2012-11-01T08:04:40 < dongs> ugh where did i put my second f3disco...
2012-11-01T08:05:21 < emeb_mac> more than 1? bastard.
2012-11-01T08:05:27 < ds2> is there any catches to the XL series? the notes mention that the 1M flash is treated as 2 512M devices
2012-11-01T08:05:29 < dongs> its already not mine though :(
2012-11-01T08:05:49 < emeb_mac> xl?
2012-11-01T08:05:54 < dongs> xl density
2012-11-01T08:06:01 < ds2> the ones with 1M internal flash
2012-11-01T08:06:09 < emeb_mac> oh - never used that.
2012-11-01T08:06:27 < ds2> think the STM3210E is a 512M internal flash device
2012-11-01T08:06:35 < ds2> so I am tyring to map it to the 1M version
2012-11-01T08:10:09  * emeb_mac looks at the emsoft u-boot stuff.
2012-11-01T08:10:25 < emeb_mac> s/emsoft/emcraft/
2012-11-01T08:10:35 < emeb_mac> what a load of #ifdefs
2012-11-01T08:12:14 < dongs> http://i.imgur.com/DjaYC.jpg holy shit do these people even run DRC at all
2012-11-01T08:12:24 < dongs> how hte fuckdo you manage to get a trace into another layer without a via
2012-11-01T08:12:28 < dongs> and then shorting signal to GND
2012-11-01T08:12:36 < dongs> like what fucking PCB cad allows this?
2012-11-01T08:14:14 < ds2> maybe it is a low cost RF design... using the interlayer capacitance for coupling
2012-11-01T08:14:32 < dongs> yeah for sure.
2012-11-01T08:14:54 < ds2> I actually crossed traces on a board I made in school
2012-11-01T08:15:53 < ds2> this is why I religiously run DRC as the board gets layed out
2012-11-01T08:16:05 < dongs> seems gerbers are from protel..
2012-11-01T08:16:11 < dongs> probably just idiot user then..
2012-11-01T08:18:04 < ds2> I was also using protel at that time (school had license)
2012-11-01T08:20:23 < baird> I remember when it first came out (the first drafting software for <$5000...) and using it on a Compaq XT luggable..
2012-11-01T08:20:44 < baird> It was a highschool 'work experience' thing..
2012-11-01T08:22:38 < emeb_mac> pretty funny.
2012-11-01T08:27:10 < dongs> i guess we'll just fix it
2012-11-01T08:27:15 < dongs> and call that guy an asshole
2012-11-01T08:27:37 < dongs> can just move the trace a bit on the gerber and drop a via.
2012-11-01T08:27:50 < ds2> heh...
2012-11-01T08:27:55 < emeb_mac> dongs: this is on a board you're contracted to build?
2012-11-01T08:27:55 < ds2> you guys don't put jobs on hold?
2012-11-01T08:28:12 < dongs> ds2: called him and said it was fail, hes like "o shit"
2012-11-01T08:28:23 < ds2> oh
2012-11-01T08:28:35 < dongs> emeb_mac: yeah
2012-11-01T08:32:51 < dongs> ds2: uboot stuff looks pretty straightforward
2012-11-01T08:35:27 < emeb_mac> just lots of conditional compile crap to wade through
2012-11-01T08:36:03 < dongs> from a quick glance all it needs to bring up is RCC, GPIO and FSMC
2012-11-01T08:36:29 < dongs> i guess lunix takes over after that
2012-11-01T08:36:30 < dongs> ?
2012-11-01T08:37:09 < emeb_mac> Probably. Maybe a usart too, might want an SD, sometimes USB.
2012-11-01T08:38:05 < dongs> of course they're not using stdperiphlib
2012-11-01T08:38:08 < dongs> or even cmsis
2012-11-01T08:38:12 < dongs> or even ST's official header
2012-11-01T08:38:16 < dongs> so they gotta makea their own structs for *
2012-11-01T08:38:21 < dongs> like usart regs etc.
2012-11-01T08:38:25 < dongs> typical fucking lunix waste of time
2012-11-01T08:38:35 < dongs> "lets ignore all the work everyone put into this shit and rewrite our own shit from scratch"
2012-11-01T08:40:50 < dongs> amirite? y/y/y?
2012-11-01T08:40:52 < emeb_mac> or like chibios or libopencm3 or...
2012-11-01T08:41:02 < dongs> well thats their problem...
2012-11-01T08:41:04 < dongs> not like anyone uses it
2012-11-01T08:41:24 < emeb_mac> everyone does NIH
2012-11-01T08:42:55 < jpa-> dongs: maybe because ST has very stupid license for their headers
2012-11-01T08:43:14  * emeb_mac never looked too closely
2012-11-01T08:43:47 < emeb_mac> the only product I've shipped w/ STM32 I did direct access - no StdPeriph.
2012-11-01T08:44:08 < jpa-> it is ok for commercial products, but it is gpl incompatible AFAIK
2012-11-01T08:44:17 < dongs> boohoo.
2012-11-01T08:45:00 < baird> And now there's Stellarisware saying "no free codes on internets".. (keep under password control, etc.)
2012-11-01T08:45:04 < emeb_mac> Ah. Well I don't GPL code I get paid for.
2012-11-01T08:45:42 < ds2> dongs: as in the stm3220 stuff should more or less just work?
2012-11-01T08:45:56 < ds2> RCC?
2012-11-01T08:46:17 < dongs> it will be simpler
2012-11-01T08:46:23 < dongs> since F1 gpio is less flexible
2012-11-01T08:47:02 < ds2> ah okay
2012-11-01T08:47:21 < dongs> depends how flexible y ou want it, just a quick hack or complete support like they do
2012-11-01T08:47:34 < dongs> if youre just gonna target it to your board you can just ignore all generic trash tehy have like remapping 6 uarts etc.
2012-11-01T08:47:36 < ds2> probally easiest for me to sanity check with the stuff ST had for the STM3210E board then try to get this to work
2012-11-01T08:47:58 < ds2> Hmmm okay
2012-11-01T08:48:27 < dongs> then its just power up uart + gpio periopherals, set uart GPIO to AF_PP or IN_FLOATING or whatever, declare victory.
2012-11-01T08:48:45 < ds2> that seems easy enough
2012-11-01T08:49:02 < ds2> what about the SD stuff, is that the same on F1 and F2?
2012-11-01T08:49:31 < dongs> should be very simliar
2012-11-01T08:49:37 < dongs> if they're using either SPI or SDIO
2012-11-01T08:49:59 < ds2> should be SDIO
2012-11-01T08:50:36 < dongs> i dont think sdio peripheral changed much at all.
2012-11-01T08:51:07  * emeb_mac needs to figure SD out. I've built it on my STM32F4 board but haven't tried it yet.
2012-11-01T08:51:26 < ds2> emeb_mac: how do you plan to use the SD card?
2012-11-01T08:51:55 < emeb_mac> A couple things, but all for audio data storage.
2012-11-01T08:52:16 < ds2> you got filesystem code ?
2012-11-01T08:52:44 < emeb_mac> Haven't thought that far. There seem to be some out there already.
2012-11-01T08:53:05 < dongs> chanfs shit works.
2012-11-01T08:53:21 < ds2> linux solves that problem nicely
2012-11-01T08:54:29 < emeb_mac> with just a little overhead. :)
2012-11-01T08:54:36 < emeb_mac> dongs: this? https://mbed.org/users/NeoBelerophon/code/ChaNFS/
2012-11-01T08:54:52 < ds2> if that is all you are using it for
2012-11-01T08:55:00 < emeb_mac> Probably.
2012-11-01T08:55:57 < dongs> http://elm-chan.org/fsw/ff/00index_e.html
2012-11-01T08:55:58 < dongs> official palce
2012-11-01T08:56:41 < ds2> throw in bluetooth, USB, etc and it gets a bit more reasonable
2012-11-01T08:58:09 < ds2> emeb_mac: what's the ChaNFS license?
2012-11-01T08:58:48 < dongs> http://elm-chan.org/fsw/ff/en/appnote.html#license
2012-11-01T08:59:01 < dongs> free software/ no restriction on *
2012-11-01T08:59:12 < emeb_mac> wide open
2012-11-01T08:59:16 < ds2> Hmmmm
2012-11-01T08:59:30 < ds2> sounds like it is easy to put this together as a non GPL version of the mtools package
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2012-11-01T09:02:59 < dongs> ds2: your stuff out mon/tue
2012-11-01T09:03:22 < zyp> *yawn*
2012-11-01T09:03:25 < zyp> what's up?
2012-11-01T09:03:52 < ds2> dongs: mon/tue ur time, right?
2012-11-01T09:04:32 < dongs> yeah
2012-11-01T09:04:36 < emeb_mac> zyp: just chatting
2012-11-01T09:04:48 < emeb_mac> talking about SD card filesystems
2012-11-01T09:04:53 < dongs> ill hve pics by then,, and it goes out same day
2012-11-01T09:04:57 < dongs> tehn you can prob have it by end of next week.
2012-11-01T09:06:39 < ds2> wow that is fast
2012-11-01T09:07:10 < ds2> i need to fire off my DK order soon
2012-11-01T09:07:29 < dongs> if its done monday and goes out same day youll have it by friday morning your time.
2012-11-01T09:07:35 < dongs> if tuesday, then depends if usps is lazy or not.
2012-11-01T09:09:11 < ds2> you sure? I have had terrible luck clearing customs
2012-11-01T09:09:23 < ds2> like my last PCBpool order sat in customs for 5 days
2012-11-01T09:09:47 < dongs> havenet had any problem with shit i ship to u.s.
2012-11-01T09:09:52 < dongs> and thats several things per week
2012-11-01T09:10:31 < ds2> nice
2012-11-01T09:11:51 < dongs> isnbt pcbpool from some ex-ussr country
2012-11-01T09:12:06 < ds2> yep
2012-11-01T09:12:12 < ds2> east germany
2012-11-01T09:12:17 < dongs> well there you have it
2012-11-01T09:12:34 < ds2> reasonable pricing but they don't do 5/5
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2012-11-01T09:15:44 < dongs> attn Laurenceb_ http://i.imgur.com/KLXaB.jpg
2012-11-01T09:16:22 < emeb_mac> looks like there's example code for SDIO in the F4 StdPeriph that could be tweaked for ChaNFS diskio.
2012-11-01T09:17:09 < dongs> emeb_mac: i believe he has stm32 appnote w/sample code
2012-11-01T09:17:16 < dongs> also i think some of ST sample code uses fatfs
2012-11-01T09:17:22 < dongs> so theres already code for that.
2012-11-01T09:17:24 < emeb_mac> better still
2012-11-01T09:17:34 < emeb_mac> I'll hunt it down.
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2012-11-01T09:18:12 < dongs> dekar failed to deliver slave i2c :(
2012-11-01T09:18:18 < dongs> looks like im keeping $50 after all :(
2012-11-01T09:18:41 < zyp> heh
2012-11-01T09:20:05 < dongs> is that a "i wanna write it" heh or are you just laughing at my laziness
2012-11-01T09:23:04 < emeb_mac> well, there's this, but it's spi: http://www.siwawi.arubi.uni-kl.de/avr_projects/arm_projects/arm_memcards/index.html#stm32_memcard
2012-11-01T09:24:30 < emeb_mac> aha - http://chemmalion.info/sites/default/files/myblog/projects/stm32fatfs/testboard_2012.03.07.7z
2012-11-01T09:25:55 < zyp> the difference between SPI and SDIO for sd cards is not that huge
2012-11-01T09:26:35 < ds2> except for the 4 bit mode
2012-11-01T09:26:50 < zyp> ds2, it's all handled by the SDIO peripheral
2012-11-01T09:27:34  * emeb_mac knows diddly about SD cards.
2012-11-01T09:27:51 < ds2> but the SPI mode would go through the SPI peripheral right?
2012-11-01T09:28:00 < zyp> sure
2012-11-01T09:28:15 < emeb_mac> I used them on a dsPIC project, but all the interface & fat code was MCHP libraries I didn't look at
2012-11-01T09:28:52 < zyp> the largest part of an sd card driver would be the layer issuing commands and handling responses
2012-11-01T09:29:29 < zyp> the layer below is mainly «stuff command bytes into SPI or SDIO peripheral and wait for response bytes back»
2012-11-01T09:29:53 < emeb_mac> seems simple
2012-11-01T09:30:11 < emeb_mac> plenty of examples out there too.
2012-11-01T09:30:18 < zyp> the largest difference is that SDIO has dedicated lines for commands and data, SPI are interleaving both on the same
2012-11-01T09:30:50 < ds2> do all microSD cards support SPI mode?
2012-11-01T09:31:11 < emeb_mac> I've used uSD on SPI - no problems so far.
2012-11-01T09:31:16 < zyp> I don't think they are required to, but I believe most do
2012-11-01T09:31:27 < ds2> that's the answer I see
2012-11-01T09:31:37 < ds2> are there any that doesn't work in SPI mode?
2012-11-01T09:32:14 < zyp> oh, wait, seems like they are indeed required to
2012-11-01T09:32:41 < ds2> for micro? thought it was only the MMC cards that are required to
2012-11-01T09:32:43 < zyp> but 4-bit mode is optional
2012-11-01T09:33:01 < zyp> no, according to wikipedia it's optional for mmc and required for sd
2012-11-01T09:33:26 < ds2> oops. got it switched... but isn't full size only?
2012-11-01T09:33:36 < zyp> « The SPI bus and one-bit SD bus are mandatory for all SD families»
2012-11-01T09:33:46 < ds2> ooh
2012-11-01T09:34:32 < emeb_mac> this is interesting reading: http://www.frankvh.com/stm32-information.html
2012-11-01T09:34:42 < emeb_mac> use ST examples w/ caution...
2012-11-01T09:39:46 < dongs> just ask Laurenceb_ for examples of F1 SPI/SD code
2012-11-01T09:40:04 < dongs> he was bitching about getting it to work for about a month
2012-11-01T09:40:17 < emeb_mac> for his (b)logger?
2012-11-01T09:40:32 < dongs> yea
2012-11-01T09:40:38 < dongs> i plan on fully reusing it
2012-11-01T09:40:42 < dongs> after of course reindenting it
2012-11-01T09:41:17 < emeb_mac> 'cause THAT MAKES ALL THE DIFFERENCE
2012-11-01T09:41:29 < dongs> no spaces in code = runs slower
2012-11-01T09:41:32 < dongs> tru story
2012-11-01T09:41:43 < emeb_mac> harder for the CPU to read
2012-11-01T09:42:00 < emeb_mac> time for zzzz
2012-11-01T09:42:02 < emeb_mac> l8rs
2012-11-01T09:42:13 < dongs> the 1s are oner and 0's are zeroer.
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2012-11-01T10:09:00 < zyp> that url emeb posted is indeed interesting
2012-11-01T10:17:47 < zyp> «If the FIFO contains sufficient empty space to accept another 8 words, it will set its TXFIFOHE flag to request more data, EVEN THOUGH IT DOES NOT NEED IT TO COMPLETE THE CURRENT TRANSFER. Be aware of this.»
2012-11-01T10:18:55 < zyp> that one is obvious enough, fifo level doesn't have anything to do with actual amount of data to send
2012-11-01T10:19:18 < cjbaird> Someone should forward that "First World Problems" video link to Linus if he whines about LCD screen again..
2012-11-01T10:19:32 < zyp> I wish this guy had tried to get usb running, that should make for an amusing read
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2012-11-01T10:56:44 < dongs> whats lunix toreballs whining about?
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2012-11-01T11:44:45 < dongs> serious lack of blog
2012-11-01T11:46:32 < zyp> that's because you're not saying anything
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2012-11-01T12:11:47 < cjbaird> "I waz gonna buy a new laptop, but the best one only had a 1920x1080 screen like the one I bought 8 years ago for 10 times the price! *dun dun dun* FIRST WORLD PROBLEM!
2012-11-01T12:16:36 < zyp> I bought a laptop five and a half year ago with a 1920x1200 screen
2012-11-01T12:18:26 <+dekar_> I still want a 13" laptop with a screen like that
2012-11-01T12:18:59 < zyp> mine was 15.4"
2012-11-01T12:19:37 < zyp> and then I bought another laptop in 2010 with 1600x768, and then one last year with 1280x800
2012-11-01T12:19:49 < zyp> I'm not sure the development is going in the right direction :p
2012-11-01T12:20:17 <+dekar_> should I buy two broken 50" plasma TVs for 50€ (I'll probably be able to haggle it further down)
2012-11-01T12:21:04 < zyp> why? they are broken
2012-11-01T12:21:24 < dongs> < cjbaird> "I waz gonna buy a new laptop, but the best one only had a 1920x1080 screen like the one I bought 8 years ago for
2012-11-01T12:21:27 < dongs>                  10 times the price! *dun dun dun* FIRST WORLD PROBLEM!
2012-11-01T12:21:30 < dongs> old fucking news
2012-11-01T12:21:45 <+dekar_> idk, I was wondering whether I might be able to cheaply fix them, but I don't know what fails inside plasma TVs
2012-11-01T12:22:52 < zyp> I had a 1920x1080 5" display sitting on my desk a few weeks ago, it was pretty nice
2012-11-01T12:23:28 < dongs> cjbaird: its fucking sickening seeing bullshit worthless gimp machines faglets with 2k+ screens in < 10"
2012-11-01T12:23:37 < dongs> and 21" monitors of "1080p"
2012-11-01T12:23:39 < dongs> FUCK OFF
2012-11-01T12:24:00 < dongs> give me a 4k display in 21"... oh, wait..
2012-11-01T12:24:04 < dongs> was done in 2001
2012-11-01T12:24:15 < dongs> why the fuck I cant buy it anymore in 2012???
2012-11-01T12:24:24 <+dekar_> yeah I wish 300 dpi would finally spread to laptops :/
2012-11-01T12:24:44 < dongs> http://en.wikipedia.org/wiki/IBM_T220/T221_LCD_monitors I have this on my desk. it fucking rules.
2012-11-01T12:25:01 < zyp> dongs, high-res monitors still exists, they are just expensive as fuck
2012-11-01T12:25:36 < dongs> zyp, 10.1" WUXGA Full HD (1920 × 1200) LED Backlit screen with 10-finger multi-touch,
2012-11-01T12:25:40 < dongs> Super IPS+ display with 600 nits brightness
2012-11-01T12:25:41 <+dekar_> dongs, awesome :D
2012-11-01T12:25:41 < dongs> in a fucking FAGLET
2012-11-01T12:25:47 < dongs> thats liek $499.
2012-11-01T12:25:56 < dongs> surely someone can put same fucing panel into a 10.1" monitor
2012-11-01T12:26:04 < dongs> or scale it up to 20"
2012-11-01T12:26:06 < dongs> and make it 4k.
2012-11-01T12:26:14 <+dekar_> dongs, the google nexus 10 has a 10" IPS screen with like 2500x1600
2012-11-01T12:26:22 <+dekar_> just 400usd
2012-11-01T12:26:46 < dongs> faglet shit is the most worthless crap ever
2012-11-01T12:26:57 < dongs> every time I see some retard with iTrash pad trying to take videos/pics with it
2012-11-01T12:27:09 < dongs> waving this giant fucking slab of shit in front of their face
2012-11-01T12:27:10 < dongs> trying to take a pic
2012-11-01T12:27:13 < dongs> I want to fUCKING STAB THEM
2012-11-01T12:29:07 < dongs> <+dekar_> dongs, the google nexus 10 has a 10" IPS screen with like 2500x1600 < fuck google and fuck not being able to buy a monitor with that rez
2012-11-01T12:30:26 < zyp> oh well
2012-11-01T12:30:46 < cjbaird> So.. I was wanting some stick-on protectors to use on a few eval boards. They're like $5 for 10. /However/ I found something a lot more KAWAII~~ http://i.imgur.com/zz7IJ.jpg
2012-11-01T12:31:06 < dongs> haha
2012-11-01T12:31:09 < dongs> i got some of that shit
2012-11-01T12:31:23 < zyp> I bought a Dell U2711 with my new workstation, it'll do for now, and hopefully better monitors will be available in a few years
2012-11-01T12:31:25 < dongs> fucking spawn stuck a bunch of that shit on back of my phone
2012-11-01T12:31:31 < dongs> 27" is fucking huge
2012-11-01T12:31:40 < dongs> anything < 4k in 27" is a waste of desk space
2012-11-01T12:32:10 < zyp> it's ok, I have a huge desk
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2012-11-01T12:33:29 <+dekar> dongs, how many stuck pixels does it have? :P
2012-11-01T12:33:35 < dongs> t221?
2012-11-01T12:33:37 < dongs> like 2
2012-11-01T12:33:49 < zyp> http://bin.jvnv.net/f/tvvVf.JPG <- huge display lets me sit far away from it, leaving me with lots of room for shit on desk in front of it
2012-11-01T12:34:04 <+dekar> I would have expected more
2012-11-01T12:34:24 < dongs> faglet keyboard
2012-11-01T12:34:35 < zyp> of course
2012-11-01T12:34:41 < dongs> http://i.imgur.com/FuCj2.jpg
2012-11-01T12:34:44 < zyp> it goes with the OS
2012-11-01T12:35:38 <+dekar> I should now take a picture of my wall and say "huge display lets me sit far away from it…"
2012-11-01T12:35:46 <+dekar> projector ftw :)
2012-11-01T12:36:16 < zyp> so you have your floor in front of it full of shit?
2012-11-01T12:36:19 -!- Claude is now known as claude
2012-11-01T12:36:38 < Laurenceb_> nice
2012-11-01T12:36:42 < Laurenceb_> all the discoveries
2012-11-01T12:36:43 < cjbaird> Who the hell gave Dongs an F3D?
2012-11-01T12:36:50 < zyp> complete with VL and all
2012-11-01T12:36:50 < Laurenceb_> RS
2012-11-01T12:37:04 < zyp> the only one I'm missing
2012-11-01T12:37:29 < dongs> youre missing F) as well, no?
2012-11-01T12:37:31 < dongs> or did tyou finalyl fet one
2012-11-01T12:37:32 < dongs> get
2012-11-01T12:37:55 < zyp> get what?
2012-11-01T12:37:59 < Laurenceb_> laid
2012-11-01T12:38:01 < dongs> F0
2012-11-01T12:38:04 < dongs> discovery
2012-11-01T12:38:07 < zyp> got F0 along with F3
2012-11-01T12:38:10 < dongs> ah
2012-11-01T12:38:26 < dongs> hha, my F0 is also -ES chip
2012-11-01T12:38:47 < zyp> ordered together, shipped seperately, arrived together
2012-11-01T12:38:48 < dongs> so that makes it F3 and F0.
2012-11-01T12:39:58 < Laurenceb_> that reminds me - i need to characterise the opamps
2012-11-01T12:40:01 < Laurenceb_> on F3
2012-11-01T12:40:21 < dongs> 16:15 < dongs> attn Laurenceb_ http://i.imgur.com/KLXaB.jpg
2012-11-01T12:40:29 < Laurenceb_> my MSO4054 should be up to the task
2012-11-01T12:40:42 < Laurenceb_> cool, populated yet?
2012-11-01T12:40:49 < Laurenceb_> what are the 3 pin headers for?
2012-11-01T12:40:51 < dongs> tmororow.
2012-11-01T12:40:55 < dongs> was dicknplacing workshit all day today
2012-11-01T12:40:57 < dongs> too wasted.
2012-11-01T12:41:16 < dongs> top secret stuff
2012-11-01T12:41:31 < Laurenceb_> pwm?
2012-11-01T12:41:59 < dongs> no, this is not rc shit
2012-11-01T12:42:32 < dongs> i did break out i2c at last minute
2012-11-01T12:42:40 < dongs> just to fill up the space on teh bottom of the board
2012-11-01T12:43:30 -!- claude is now known as Claude
2012-11-01T12:44:27 < Laurenceb_> be interesting to see how fast it is
2012-11-01T12:44:38 < Laurenceb_> mine maxes out at 825KB/s average
2012-11-01T12:44:40 < dongs> you mean usb>spi>sd shit?
2012-11-01T12:44:43 < Laurenceb_> yes
2012-11-01T12:44:47 < dongs> i plan to reuse your code
2012-11-01T12:44:50 < dongs> but I'll reindent it
2012-11-01T12:44:54 < dongs> should at least double the speed
2012-11-01T12:44:55 < Laurenceb_> lol
2012-11-01T12:45:34 < Laurenceb_> my vehicle logger is churning out 1GB logfiles, so it needs to be fast
2012-11-01T12:49:45 < jpa-> well with USB1.1 you'll never get over ~1.2MBps
2012-11-01T12:59:15 < Laurenceb_> i calculated about 900KBps
2012-11-01T12:59:28 < Laurenceb_> due to the scsi emulation protocol overhead
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2012-11-01T13:23:35 -!- claude is now known as Claude
2012-11-01T13:25:13 < Tectu> can anyone help me with this?  http://codepad.org/AirTOFHg
2012-11-01T13:25:24 < Tectu> by "it dosen't work", I mean that SPI dosen't send the right value
2012-11-01T13:32:42 < karlp> does it send something though?
2012-11-01T13:35:50 < Tectu> karlp, yes
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2012-11-01T13:38:01 < zyp> jpa-, not with USB2.0 FS either
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2012-11-01T14:01:54 < jpa-> zyp: same thing
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2012-11-01T14:28:03 < zyp> jpa-, not necessarily
2012-11-01T14:49:32 < dongs> http://www.ebay.com/itm/261050267617
2012-11-01T14:50:42 < dongs> whats stopping anyone from hooking this up to some displayport/hdmi > lvds driver board
2012-11-01T14:50:46 < dongs> and making it into a monitor?
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2012-11-01T14:53:13 < zyp> what's stopping you?
2012-11-01T14:53:19 < dongs> i dunno, im asking
2012-11-01T14:53:23 < jpa-> resolution could be unusual
2012-11-01T14:53:24 < dongs> why the fuck hasnt that been done yet?
2012-11-01T14:53:41 < jpa-> it's quite small to be used as a monitor :P
2012-11-01T14:53:43 < zyp> hmm
2012-11-01T14:53:52 < dongs> http://www.panelook.com/LP097QX1-SPA2_LG%20Display_9.7_LCM_parameter_14921.html
2012-11-01T14:54:01 < zyp> I actually have a shit -> lvds board somewhere
2012-11-01T14:54:39 < zyp> that I got for a tv I guttet once, before I found out that the panel itself was broken
2012-11-01T14:54:43 < zyp> gutted*
2012-11-01T14:56:58 < Laurenceb_> http://en.wikipedia.org/wiki/Cow_blowing
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2012-11-01T15:00:07 < cjbaird> Felch-free milk, plz.
2012-11-01T15:00:42 < dongs> zyp, it could be the next jewstarter
2012-11-01T15:00:46 < dongs> high resolution monitors
2012-11-01T15:00:54 < dongs> you'll make millions.
2012-11-01T15:03:14 <+Steffanx> billions
2012-11-01T15:04:59 < Claude> dongs , iphone 3gs display is not lvds. mipi probably. iphone4 display is mipi for sure (have one here waiting to be hooked up to a samsung a8 board with mipi interface)
2012-11-01T15:10:47 < zyp> ah, yeah, probably MIPI DSI
2012-11-01T15:26:17 < dongs> sounds like just newfag name for LVDS
2012-11-01T15:26:37 < dongs> "At the physical layer, DSI specifies a high-speed differential signaling point-to-point serial bus. This bus includes one high speed clock lane and one or more data lanes."
2012-11-01T15:27:34 < dongs> http://media-cdn.pinterest.com/upload/118149190194208692_HxJ80ZdD_f.jpg
2012-11-01T15:28:07 < zyp> well, when you say LVDS you mean FPD-Link
2012-11-01T15:28:48 < dongs> apparently shitpad display is embedded displayporn?
2012-11-01T15:28:53 < dongs> so there's actually nothing to "do"?
2012-11-01T15:28:56 < dongs> just fucking plug it in?
2012-11-01T15:29:03 < zyp> is it?
2012-11-01T15:29:25 < dongs> http://www.panelook.com/LP097QX1-SPA2_LG%20Display_9.7_LCM_parameter_14921.html
2012-11-01T15:29:27 < dongs> according to this
2012-11-01T15:29:28 < dongs> eDP
2012-11-01T15:30:55 < zyp> so neither DSI nor FPD-Link then
2012-11-01T15:31:28 < zyp> wonder how compatible it's with normal DP
2012-11-01T15:31:47 < zyp> if you just have to hook it up, it would be pretty neat
2012-11-01T15:32:07 < dongs> http://www.vesa.org/featured-articles/vesa-improves-mobile-device-battery-life-and-display-performance-with-upcoming-release-of-embedded-displayport-edp-version-1-4/
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2012-11-01T15:33:19 < dongs> eDP is Based on the VESA DisplayPort Standard
2012-11-01T15:33:19 < dongs> §. Same electrical interface, and can share the same video port on the
2012-11-01T15:33:20 < dongs> GPU
2012-11-01T15:35:05 < dongs> http://www.vesa.org/wp-content/uploads/2010/12/DisplayPort-DevCon-Presentation-eDP-Dec-2010-v3.pdf page 9
2012-11-01T15:35:29 < zyp> so when are you making adapter board with DP connector and power regulator?
2012-11-01T15:35:36 < dongs> right
2012-11-01T15:35:46 < dongs> and whatever zif socket tehy use
2012-11-01T15:36:05 < zyp> «Same basic digital protocol, but with some differences added for eDP
2012-11-01T15:36:27 < dongs> http://www.ifixit.com/Teardown/iPad+3+4G+Teardown/8277/1?singlePage
2012-11-01T15:36:32 < dongs> step 10
2012-11-01T15:36:38 < dongs> http://guide-images.ifixit.net/igi/eYasxr1Y6AiEBsPg.huge
2012-11-01T15:36:54 < dongs> i count 26 pins.
2012-11-01T15:37:07 < dongs> could be double-sided though
2012-11-01T15:38:02 < zyp> the document you linked suggests a 30-pin pinout
2012-11-01T15:38:12 < dongs> yea, on page 9
2012-11-01T15:40:22 < zyp> that's only two lanes
2012-11-01T15:42:39 < dongs> http://www.ifixit.com/Answers/View/92815/What+is+the+model+number+of+the+2880x1800+LCD
2012-11-01T15:43:39 < dongs> I made a working adapter for the B131HW02 V0. You just route the DP signals to the correct lines on the eDP panel input and provide power where it needs to go and plug it in to a PC and it works.
2012-11-01T15:43:57 < zyp> nice
2012-11-01T15:46:47 < dongs> so yeah
2012-11-01T15:46:51 < dongs> lets get cracking
2012-11-01T15:47:18 < dongs> LP154WT1 (SJ) (A1) GD looks like that 2880x1800 or wahtever fagbook 15" shit
2012-11-01T15:47:22 < dongs> turning that into a monitor should be nice
2012-11-01T15:47:31 < dongs> and its only like 260 bucks
2012-11-01T15:49:52 < dongs> http://www.aliexpress.com/item/LCD-LED-Screen-LCD-Panel-LP154WT1-SJ-A1-GD-For-MacBook-Pro-15-A1398-mc975-MC976/638410618.html $238+$20 shipping to jp.
2012-11-01T15:50:37 < Laurenceb_> that would be epic
2012-11-01T15:50:52 < dongs> holy kike google is USELESS for finding any info
2012-11-01T15:50:56 < dongs> its all full of spam from apple faggots
2012-11-01T15:51:03  * Laurenceb_ is about to characterise f3 opamps
2012-11-01T15:51:14 < Laurenceb_> have test circuit and code ready
2012-11-01T15:53:09 < dongs> zyp, status of finding docs
2012-11-01T15:53:16 < dongs> I will buy panel asap and test :p
2012-11-01T15:54:01 < dongs> http://item.taobao.com/item.htm?spm=a230r.1.10.56.dab1a4&id=16850439705
2012-11-01T15:54:03 < dongs> ooooooooooooooooooo
2012-11-01T15:54:04 < dongs> LOL
2012-11-01T15:56:15 < Laurenceb_> output is atable with photodiode driver
2012-11-01T15:56:25 < Laurenceb_> now to setup scope to get noise spectrum
2012-11-01T15:56:55 < zyp> dongs, what's the other connector on that?
2012-11-01T15:57:07 < dongs> zyp, not sure. checking thier main site
2012-11-01T15:57:21 < dongs> i guess its maybe some standard shit
2012-11-01T15:59:08 < dongs> hmm no further shitpad docs..
2012-11-01T15:59:14 < dongs> they sell a bunch oif lvds pcbs
2012-11-01T16:00:28 < dongs> zyp
2012-11-01T16:00:36 < dongs> if I buy that shit apparently they send specs/etc
2012-11-01T16:00:40 < dongs> for hte panel connector.
2012-11-01T16:00:46 < dongs> since its like $5 i might just do that
2012-11-01T16:01:07 < dongs> that one's for shitpad3 though thats still pretty high rez.
2012-11-01T16:01:20 < dongs> eDP 4 lane, hmm
2012-11-01T16:01:58 < Laurenceb_> wow this scope is laggy
2012-11-01T16:02:02 < dongs> http://www.himax.com.tw/en/product/tconportable.asp wtf is this
2012-11-01T16:02:04 < Laurenceb_> dongs said it was good :(
2012-11-01T16:02:05 < dongs> Laurenceb_: DPO?
2012-11-01T16:02:11 < dongs> upgrade firmware!
2012-11-01T16:02:13 < Laurenceb_> MSO4054
2012-11-01T16:02:17 < dongs> mine was laggy then I loaded some shit from 2012 into it
2012-11-01T16:02:21 < dongs> and it because super zoomy
2012-11-01T16:02:29 < Laurenceb_> cool
2012-11-01T16:02:29 < dongs> zoomzoom
2012-11-01T16:02:31 < Laurenceb_> i might try
2012-11-01T16:02:39 < dongs> really improved like 1M+ samples modes
2012-11-01T16:02:50 < Laurenceb_> yeah
2012-11-01T16:02:51 < dongs> before I'd have to drop to 10k or 100k samples
2012-11-01T16:02:57 < Laurenceb_> im using 10Msamples for fft
2012-11-01T16:03:10 < dongs> fast furry transform (attn cjbeard)
2012-11-01T16:03:11 < Laurenceb_> wheres the firmware?
2012-11-01T16:03:17 < dongs> tek.com, where else
2012-11-01T16:03:19 < dongs> bugmenot for account
2012-11-01T16:03:49 < Laurenceb_> seemsz to be working now anyway
2012-11-01T16:03:50 < dongs> lol looks like tehy share same firmware
2012-11-01T16:04:06 < Laurenceb_> ill grab a screenshot in a sec
2012-11-01T16:04:21 < Laurenceb_> seems to pick up noise from usb, but its at high frequency
2012-11-01T16:04:29 < dongs> http://www.tek.com/oscilloscope/dpo4054-software/dpo4000-and-mso4000-firmware-v268
2012-11-01T16:04:38 < dongs> ^ running this now
2012-11-01T16:05:05 < dongs> http://www.himax.com.tw/en/product/tconportable.asp
2012-11-01T16:05:08 < dongs> what is TCON?
2012-11-01T16:05:48 < dongs> (and no, not the chronicles of narnia
2012-11-01T16:07:13 < Laurenceb_> ok
2012-11-01T16:08:52 < dongs> displayport is 20pin apparently
2012-11-01T16:09:08 < Laurenceb_> http://imgur.com/Q1eKi,bnPXV
2012-11-01T16:09:27 <+Steffanx> waow
2012-11-01T16:10:41 < Laurenceb_> oh wait
2012-11-01T16:10:43 < Laurenceb_> i fail
2012-11-01T16:10:56 < Laurenceb_> 100k points , so not per sqrt(hz)
2012-11-01T16:12:01 < dongs> zyp: status
2012-11-01T16:12:59 <+Steffanx> dongs needs attention
2012-11-01T16:13:46 < zyp> sorry, I'm still at work so I'm a bit busy
2012-11-01T16:15:06 < Laurenceb_> hmm this isnt looking bad at all
2012-11-01T16:15:17 < Laurenceb_> the inbuilt opamps seem pretty decent
2012-11-01T16:15:23 < zyp> I've got no idea what TCON means, but it seems to be the panel controller
2012-11-01T16:15:30 < dongs> right
2012-11-01T16:16:02 < zyp> page 13 in your pdf also mentions «TCON input»
2012-11-01T16:16:11 < Laurenceb_> "A system error has occured"
2012-11-01T16:16:32 < Laurenceb_> "Contact you Tektronix Service Center"
2012-11-01T16:16:42 < Laurenceb_> *your
2012-11-01T16:16:53 < dongs> Laurenceb_: did you just brick your scope
2012-11-01T16:17:09 < Laurenceb_> nope
2012-11-01T16:17:27 < Laurenceb_> im trying to save files whilst recording at 10msps and ffting
2012-11-01T16:17:32 < Laurenceb_> with existing firmware
2012-11-01T16:17:41 < dongs> why not just hit 'run/stop'
2012-11-01T16:17:59 < Laurenceb_> cuz thats too easy
2012-11-01T16:20:37 < Laurenceb_> hmf scope is failing
2012-11-01T16:21:15 < Laurenceb_> power cycle time
2012-11-01T16:22:18 < Laurenceb_> firmware update looks simple
2012-11-01T16:22:55 < dongs> zyp: TFT-LCD Timing Controller = TCON
2012-11-01T16:23:01 < zyp> ah, right
2012-11-01T16:23:22 < dongs> anyhwo
2012-11-01T16:23:25 < dongs> i will chat those chinks tomrorw
2012-11-01T16:23:33 < dongs> with the shitpad adapter
2012-11-01T16:23:38 < dongs> and ask what the fuck the other connector is
2012-11-01T16:23:45 < dongs> and prob order a shitpad3 screen
2012-11-01T16:23:47 < dongs> since its only like 60bucks
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2012-11-01T16:24:03 < dongs> or you can find more info on the fagbook screen and I'll just get that instead ;p
2012-11-01T16:24:37 < dongs> https://youtube.com/watch?v=N7NofmHWWPQ haha
2012-11-01T16:24:40 < dongs> look at that head troll
2012-11-01T16:25:06 < zyp> I might have a look later tonight
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2012-11-01T16:31:04 < Laurenceb_> http://imgur.com/AfzO2,ymYbw
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2012-11-01T16:33:50 < Laurenceb_> -116dBV at 10khz or so
2012-11-01T16:38:05 < Laurenceb_> just need a script to turn that inot current and voltage noise
2012-11-01T16:38:18 < Laurenceb_> but that will require several test circuits
2012-11-01T16:38:51 < Laurenceb_> at the moment im using an external 476K feedback
2012-11-01T16:42:24 < Laurenceb_> current noise is less than 3pA/sqrt(Hz) and voltage nois eless than 170nV/sqrt(Hz)
2012-11-01T16:42:59 < Laurenceb_> at some point ill write some scripts and get proper graphs
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2012-11-01T20:04:40 < ds2> wheeeee33e
2012-11-01T20:04:45 < zyp> ok
2012-11-01T20:04:51 < ds2> got me f3
2012-11-01T20:05:04 < zyp> been there, done that
2012-11-01T20:05:12 < ds2> =)
2012-11-01T20:05:12 < TitanMKD> zyp any news on LPC43xx board ?
2012-11-01T20:05:25 < zyp> no, haven't done anything lately
2012-11-01T20:06:23 < TitanMKD> ok
2012-11-01T20:07:21 < TitanMKD> anyone know if there's a hint/hack to speed up NXP LPC-Link debugger ?
2012-11-01T20:07:33 < TitanMKD> because it's so slowwww
2012-11-01T20:07:41 < Erlkoenig> overcl0ck it!11
2012-11-01T20:08:03 < TitanMKD> hehe
2012-11-01T20:08:15 < TitanMKD> I think it will need an other fw too ;)
2012-11-01T20:08:26 < TitanMKD> it upload 30KB in something like 20s !!
2012-11-01T20:08:38 < TitanMKD> and step by step debug just take about 5s per step
2012-11-01T20:09:03 < emeb> ds2: where'd you get the f3?
2012-11-01T20:09:06 < Erlkoenig> oha, even the ST-Link is faster ^^
2012-11-01T20:09:18 < TitanMKD> Erlkoenig yes
2012-11-01T20:09:29 < Erlkoenig> uploading is like instant ^^
2012-11-01T20:09:54 < TitanMKD> maybe i should try OpenOCD and my FT2232H Bus Blaster but i do not know if it work fine with LPC43xx
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2012-11-01T20:21:05 < ds2> techcon
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2012-11-01T20:42:03 < TitanMKD> ds2 what's the interest of f3 ? (compared to F4)
2012-11-01T20:42:43 < TitanMKD> I will be more happy with an STM32F4 LQFP64 for 6euro/unit instead of 10euros
2012-11-01T20:57:04 -!- akaWolf [~akaWolf@unaffiliated/akawolf] has quit [Quit: my exit]
2012-11-01T20:58:49 < jpa-> higher precision ADC is the only major difference i have seen
2012-11-01T21:01:39 < TitanMKD> ok
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2012-11-01T21:32:12 < emeb> f3 is available in lqfp48, so it's tinier.
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2012-11-01T21:32:27 < emeb> err "kawaii" :)
2012-11-01T21:33:29 <+Steffanx> oui oui
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2012-11-01T21:55:08 < Laurenceb> http://guide-images.ifixit.net/igi/LwKAkth54Z4NKMOK.medium
2012-11-01T21:55:14 < Laurenceb> ^mems sensors perhaps?
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2012-11-01T22:41:09 < Laurenceb> grrr wheres dongs
2012-11-01T22:41:20 < Laurenceb> want logger benchmarx
2012-11-01T22:43:45 < Laurenceb> in b4 1byte/second
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2012-11-01T23:34:04 < zyp> blogger benchmark
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2012-11-01T23:57:11 <+Steffanx> Heh, mousers ships a L151 in lqfp-32 package
2012-11-01T23:57:32 <+Steffanx> Wonder if the changed the package themself
2012-11-01T23:57:35 <+Steffanx> *they
2012-11-01T23:59:54 < zyp> L151C, so it's qfp-48
--- Day changed Fri Nov 02 2012
2012-11-02T00:00:58 <+Steffanx> Yeah, but they list both as lqfp32 :)
2012-11-02T00:01:09 < zyp> yep
2012-11-02T00:01:13 < Erlkoenig> buy one and complain :>
2012-11-02T00:01:23 <+Steffanx> One .. :)
2012-11-02T00:01:36 < Laurenceb> wish F303 was in a smaller package
2012-11-02T00:01:44 < Laurenceb> the opamps seem to be good
2012-11-02T00:02:08 <+Steffanx> smaller than lqfp48?
2012-11-02T00:02:25 < zyp> Steffanx, I reported the error for you
2012-11-02T00:02:53 <+Steffanx> Oh, didn't know there was an option for that
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2012-11-02T00:04:35 < ds2> oh the F3 has a nicer demo, that's all
2012-11-02T00:04:40 < ds2> and the price was right ;)
2012-11-02T00:04:49 <+Steffanx> Any idea what the T6 vs U6 means?
2012-11-02T00:05:04 < zyp> temperatur range or something like that
2012-11-02T00:05:13 <+Steffanx> nvm :)
2012-11-02T00:06:08 <+Steffanx> package + temperature :)
2012-11-02T00:06:24 < zyp> no, package is the first letter after the numbers
2012-11-02T00:06:37 <+Steffanx> No
2012-11-02T00:06:45 <+Steffanx> that's pin count
2012-11-02T00:07:42 < zyp> ah, right
2012-11-02T00:08:01 < zyp> well, I consider pin count part of the package type :p
2012-11-02T00:08:37 <+Steffanx> Yeah, there's no difference between a 48 pins UFQFPN and lqfp package :P
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2012-11-02T01:07:36 < dongs> sup dongs
2012-11-02T01:08:16 < dongs>  < TitanMKD> anyone know if there's a hint/hack to speed up NXP LPC-Link debugger ?
2012-11-02T01:08:23 < dongs> yeah, get a proper debugger
2012-11-02T01:09:45 < dongs> haha.. my ti eStoer paypal authorization failed..
2012-11-02T01:09:53 < dongs> after my fedex is already on the way
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2012-11-02T01:14:09 < ds2> the compass on the f3discovery seems fine
2012-11-02T01:14:14 < dongs> it is
2012-11-02T01:14:17 < dongs> Laurenceb_ is just trolling.
2012-11-02T01:14:22 < ds2> it does get confused if I put a huge magnet on it though
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2012-11-02T01:57:11 < qyx_> ds2: what dies fine mean?
2012-11-02T01:57:12 < qyx_> does
2012-11-02T01:57:33 < qyx_> my naive expectation was to get <1deg accuracy with lsm303
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2012-11-02T02:01:16 < ds2> you got a version with more then 360 LEDs?
2012-11-02T02:01:19 < qyx_> lol
2012-11-02T02:01:25 < ds2> the LEDs point to the right direction is all I mean
2012-11-02T02:01:52 < qyx_> i dont mean that one on f3discovery
2012-11-02T02:01:53 < ds2> hard to discern more then 45 deg accuracy with the discovery I got given the 8 LEDs
2012-11-02T02:02:01 < qyx_> ah, ok
2012-11-02T02:02:30 < ds2> actually sort of on the <1 deg accuracy. I am not at liberty to elaborate
2012-11-02T02:26:55 < dongs> ktime to  assemble (b)logger pcbs
2012-11-02T03:10:16 < dongs> zyp: any luck wiht eDP stuff?
2012-11-02T03:10:47 < dongs> I guess top side of that PCB is regular SMT dispalyport connector
2012-11-02T03:10:54 < dongs> bottom side is wahtever trash apple uses
2012-11-02T03:12:08 < dongs> https://fbcdn-sphotos-b-a.akamaihd.net/hphotos-ak-ash4/664546_447252672006822_1628063824_o.jpg
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2012-11-02T03:25:34 < baird> Greetings from Mars, motherfuckers: http://photojournal.jpl.nasa.gov/catalog/PIA16239
2012-11-02T03:28:10 < dongs> how did it do that
2012-11-02T03:28:47 < Erlkoenig> bathroom mirror of course
2012-11-02T03:29:01 < baird> It's a Space Robot. It ain't gotta explain shit.
2012-11-02T03:29:32 < Erlkoenig> flying camera with little rockets on the bottom
2012-11-02T03:29:55 < Erlkoenig> a pity mars has no atmosphere... if it had, they could like fly around with rc planes and look around
2012-11-02T03:30:22 < dongs> how come it has those fiducial marks everywhere
2012-11-02T03:32:08 < baird> It's got 17 cameras, so they'll be placed in places within the FOV of most of them.
2012-11-02T03:32:56 < Erlkoenig> those funny black&white circles?
2012-11-02T03:33:00 < dongs> yeah
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2012-11-02T03:35:37 < baird> No doubt they help with making pics like the above..
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2012-11-02T03:43:22 < Erlkoenig> it's so amazing they managed to build such a large and complicated system, and it works...
2012-11-02T03:44:33 < dongs> it doesnt run lunix
2012-11-02T03:44:35 < dongs> so thats obvious
2012-11-02T03:44:53 < Erlkoenig> it runs VxWorks
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2012-11-02T03:47:34 < baird> Like my Canon camera..
2012-11-02T03:48:24 < Erlkoenig> they're using a vacuum tube in one of the transmitters :D
2012-11-02T03:49:28 < dongs> wat
2012-11-02T03:50:47 < Erlkoenig> as some sort of power amplifiert
2012-11-02T03:50:48 < Erlkoenig> -t
2012-11-02T03:54:29 < baird> Its RTG only gives it ~140 watts to play with?
2012-11-02T03:56:26 < baird> 125 watts. Using almost 5 kilos of Plutoinum dioxide..
2012-11-02T03:58:53 < dongs> found the shop
2012-11-02T03:59:01 < dongs> http://i.imgur.com/voGBH.jpg
2012-11-02T03:59:04 < dongs> circled area
2012-11-02T03:59:37 < Erlkoenig> as the nasa site states, it's a combination of many photos
2012-11-02T04:00:15 < dongs> random porn when searching for 'twta' on gis, hilarious.
2012-11-02T04:00:43 < Erlkoenig> rule 34`
2012-11-02T04:01:28 < Erlkoenig> i like how the rover's computer has a performance like an old smartphone but costs $200000
2012-11-02T04:03:27 < gnomad> rad hard ain't cheap
2012-11-02T04:03:27 < baird> Of which $195,000 is likely to be conformance testing
2012-11-02T04:04:19 < dongs> cmon fucing lcd chink is still offline
2012-11-02T04:04:35 < Erlkoenig> and it's all going to rust and collect dust on mars once the battery dies :D
2012-11-02T04:05:01 < Erlkoenig> throwing money out of the window is old, shoot it into space ... !
2012-11-02T04:05:48 < baird> I've wondered how long it might last on Mars.. The atmosphere and such will still probably keep it around for a good 10,000 years
2012-11-02T04:06:11 < baird> How many smartphones have survived a landing on Mars? None!
2012-11-02T04:06:20 < dongs> they havent tried any!
2012-11-02T04:06:39 < Erlkoenig> well there's the sun wind, as mars doesn't have a magnetic field...
2012-11-02T04:06:39 < dongs> they shoulda ductape some random assdroid phone
2012-11-02T04:06:45 < baird> It uses 2x 42Ah Li-Ion batteries. They'll probably go first.
2012-11-02T04:07:23 < dongs> did they buy those from hobbyking
2012-11-02T04:08:58 < baird> I'm disappointed that they didn't trot the rover off to inspect the lander debris..
2012-11-02T04:09:39 < Erlkoenig> f*cking rocket science!
2012-11-02T04:12:51 < emeb_mac> designing hardware for spaceflight is a serious PITA.
2012-11-02T04:13:51 < emeb_mac> can only use ancient parts that have proven track record.
2012-11-02T04:14:19 < emeb_mac> every little resistor & capacitor has to have a pedigree backed up by notebooks full of manufacturing data.
2012-11-02T04:15:22 < Erlkoenig> that's probably neccessary...
2012-11-02T04:15:25 < emeb_mac> design reviews with teams of engineers going over every detail for hours on end.
2012-11-02T04:15:36 < emeb_mac> then testing and testing and testing.
2012-11-02T04:15:56 < emeb_mac> Then, the hardware sits for years before it actually gets used.
2012-11-02T04:26:39 < emeb_mac> DK revised ship date for my F3 Disco - 11/17
2012-11-02T04:27:01 < Erlkoenig> http://194.94.199.179/elektronik/discovery.jpg
2012-11-02T04:31:14 < emeb_mac> F4. yawn.
2012-11-02T04:31:27 < Erlkoenig> more powerz than F3 :P
2012-11-02T04:31:34 < Erlkoenig> *moar
2012-11-02T04:34:34 < emeb_mac> MIPS isn't everything.
2012-11-02T04:36:30 < Erlkoenig> yeah yeah i know
2012-11-02T04:36:40 < Erlkoenig> what's the advantage of the F3?
2012-11-02T04:36:47 < gnomad> $2 cheaper
2012-11-02T04:37:02 < emeb_mac> more + higher res ADCs
2012-11-02T04:37:05 < emeb_mac> more DACs
2012-11-02T04:37:16 < emeb_mac> smaller pkg (lqfp48)
2012-11-02T04:37:36 < Erlkoenig> ah, hmhm
2012-11-02T04:38:39 < gnomad> of course... the real question... are those extra bits actually useable??
2012-11-02T04:39:13 < Erlkoenig> why not?
2012-11-02T04:39:38 < emeb_mac> depends on board layout, supplies, what you're driving them with, etc.
2012-11-02T04:40:11 < emeb_mac> but they're sigma/delta ADCs so they do integrate as part of their function.
2012-11-02T04:40:51 < gnomad> IME, some SD-ADC's have unusable bits even under optimal conditions.
2012-11-02T04:45:13 < gnomad> also, the F3 chips' max out at 12 bits just like the F4s chip...
2012-11-02T04:46:55 < gnomad> also, not clear if you get max sample rate at 12 bits...
2012-11-02T04:48:02 < gnomad> anyways, unless you are targeting the chip in the F3 board in an application, the extra $2 for the F4 board buys a whole lot more....
2012-11-02T04:49:04 < emeb_mac> gnomad: "the F3 chips' max out at 12 bits just like the F4s chip" <-- where did you get that?
2012-11-02T04:49:18 < emeb_mac> the F3 has 3x 16-bit SDADCs.
2012-11-02T04:49:24 < emeb_mac> (F373)
2012-11-02T04:49:33 < dongs> (slow ones)
2012-11-02T04:49:36 < emeb_mac> data sheet quotes 85dB SINAD
2012-11-02T04:49:40 < dongs> but 12bit adc on  F4 is really 12bit.
2012-11-02T04:49:42 < dongs> and its f ucking fast.
2012-11-02T04:49:50 < dongs> (if youre coming from shit like AVR, anyway)
2012-11-02T04:49:53 < dongs> something like 5MSPS
2012-11-02T04:50:03 < emeb_mac> It is good.
2012-11-02T04:50:20 < Erlkoenig> what... actually enough for audio? :D
2012-11-02T04:50:25 < emeb_mac> Compared to the dsPICs I've used the 12-bit SAR ADC is very clean.
2012-11-02T04:50:26 < Erlkoenig> okay stupid question
2012-11-02T04:50:43 < emeb_mac> But 16-bit ADCs for slow/audio apps is also nice.
2012-11-02T04:51:16 < emeb_mac> Erlkoenig: yeah - the SDADCs could be used for decent audio.
2012-11-02T04:51:33 < Erlkoenig> that's what the F4 Discovery is designed for... ;)
2012-11-02T04:51:53 < emeb_mac> F4 Disco only has audio output.
2012-11-02T04:52:13 < emeb_mac> that's why I built my F4 board with a real codec.
2012-11-02T04:52:22 < Erlkoenig> it has a MEMS microphone
2012-11-02T04:53:49 < dongs> pretty useless for any serious trollin.
2012-11-02T04:54:03 < dongs> i dunno if sdadc can sample at audio rates.
2012-11-02T04:54:06 < dongs> i thought it was slower than that
2012-11-02T04:54:33 < emeb_mac> dongs: 50kHz - plenty for audio.
2012-11-02T04:54:48 < dongs> barely
2012-11-02T04:54:57 < dongs> 192kHz or gtfo
2012-11-02T04:55:03 < dongs> with 24bit
2012-11-02T04:55:25 < Bird|lappy> I wonder if you could build a 32-bit res S/D?
2012-11-02T04:55:26 < dongs> you will not troll my higher highs and lower lowes with a silly 50kHz digital samplerdong
2012-11-02T04:55:39 < emeb_mac> dongs: plenty of good audio work is done at 48kHz.
2012-11-02T04:55:43 < Bird|lappy> bonus points if you can get 29-30 DC ENOB
2012-11-02T04:56:31 < emeb_mac> Bird|lappy: remember when the folks at ESS were promising an audio codec with 32-bit resolution?
2012-11-02T04:56:32 < Erlkoenig> hm, where to get microphones and speakers for underwater audio communication?
2012-11-02T04:56:49 < Bird|lappy> emeb_mac, no, actually, didn't hear that
2012-11-02T04:56:52 < emeb_mac> all the audiophools were creaming their jeans. Then it kind of faded away.
2012-11-02T04:57:00 < emeb_mac> This was about 10 years ago.
2012-11-02T04:57:09 < Bird|lappy> I'm thinking super-high-res measurement S/Ds actually
2012-11-02T04:58:42 < emeb_mac> Erlkoenig: the mic on the F4 Disco is a digital PDM output. You need to sample the 1-bit output and then do math on it to convert to usable digital data.
2012-11-02T04:59:09 < Erlkoenig> emeb_mac: really? uhm
2012-11-02T04:59:29 < Erlkoenig> ima misusing the F4 for motor control and stuff and ignore the audio caps...
2012-11-02T04:59:56 < Erlkoenig> well why not :D
2012-11-02T05:00:19 < Bird|lappy> http://www.linear.com/product/LTC2400 <-- one of the best measurement ADC's I've heard of so far
2012-11-02T05:00:24 < Bird|lappy> (in terms of raw specs at least)
2012-11-02T05:01:10 < emeb_mac> $12
2012-11-02T05:01:10 < Bird|lappy> flyback, halve that
2012-11-02T05:01:17 < Bird|lappy> yeah.
2012-11-02T05:01:26 < emeb_mac> so it costs only 2x what an F3 costs.
2012-11-02T05:02:45 < Bird|lappy> emeb_mac, yeah, DC precision isn't cheap.
2012-11-02T05:02:59 < dongs> LTC kinda sucks
2012-11-02T05:03:14 < dongs> they're expensive and you have to buy htem from digikey only
2012-11-02T05:03:20 < dongs> every lt part in china is cloned
2012-11-02T05:03:22 < emeb_mac> Bird|lappy: what's you application that needs that kind of resolution?
2012-11-02T05:03:38 < dongs> application: trollin
2012-11-02T05:03:38 < Bird|lappy> emeb_mac, for that part? "bench meter" is the obvious one
2012-11-02T05:04:00 < emeb_mac> err. Buy a good bench meter?
2012-11-02T05:04:12 < Bird|lappy> hehe.  I probably will just go out and buy one
2012-11-02T05:04:27 < Bird|lappy> but if I was given the "design a bench meter" job, that's one of the A/Ds I'd be looking at hard for it
2012-11-02T05:09:42 < dongs> no ideA?
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2012-11-02T06:23:58 < dongs> 'sif anyone watched that crap
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2012-11-02T06:28:02 < baird> That's a secret japanese codeword for "Please slap me about the face for an hour."
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2012-11-02T06:36:11 < baird> What coffee+cream jelly looks like:  http://i.imgur.com/6DjVU.jpg  (..has a shit texture, though)
2012-11-02T06:38:18 < emeb_mac> why would you make that?
2012-11-02T06:38:47 < dongs> http://www.lolbrary.com/content/160/gangnam-coffee-30160.jpg he was trying to do this but failed
2012-11-02T06:38:52 < ds2> Hmmmm what to do with a LPC expresso
2012-11-02T06:39:16 < emeb_mac> :)
2012-11-02T06:39:23 < DLPeterson> :)
2012-11-02T06:39:28 < ds2> ideas?
2012-11-02T06:44:30 < baird> :3
2012-11-02T06:45:07 < baird> I have one-- I'm going to try flogging it off to some nonfreetard at a 'hackerspace' this weekend.
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2012-11-02T06:46:55 < ds2> what is wrong with these fine LPC's?
2012-11-02T06:47:46 < dongs> rumor has it they dont work wiht freetard tools
2012-11-02T06:47:59 < dongs> but as long as it has SWD< who gives a fuck
2012-11-02T06:48:14 < baird> In my case, can't program it (without chopping it up), as the Linux boxen here are all non-x86, and the LPCboard wants that Code Red shit.
2012-11-02T06:48:41 < dongs> sounds like first world problems.
2012-11-02T06:48:57 < ds2> hmmmm
2012-11-02T06:49:18 < ds2> i looked them up and they are suppose to have a USB mode where they enum. as a MSC and you just drop in the binary
2012-11-02T06:49:36 < dongs> you might as well just use a tarduino
2012-11-02T06:49:39 < dongs> if thats your method of development
2012-11-02T06:49:46 < ds2> nope
2012-11-02T06:49:53 < ds2> don't touch them with a 20meter pole ;)
2012-11-02T06:50:03 < ds2> I rarely use AVRs or PICs
2012-11-02T06:50:05 < dongs> mcu without debugger is useless.
2012-11-02T06:50:45 < ds2> I learned on 8051's so that isn't a big deal
2012-11-02T06:51:47 < emeb_mac> 8051? You were lucky.
2012-11-02T06:52:08 < ds2> they were "microcontrollers"
2012-11-02T06:52:29 < dongs> you can't spell microcontroller without 'troll'...
2012-11-02T06:52:38 < ds2> :)
2012-11-02T06:52:43 < emeb_mac> trolls are essential
2012-11-02T06:52:47 < baird> In myyyyy day, we had to develop by programming EPROMS and plugging them in.
2012-11-02T06:53:16 < baird> And if it did work, the one EPROM we had needed to be left out in the sun for a week before it could be reprogrammed again.
2012-11-02T06:53:23 < baird> *if it didn't work
2012-11-02T06:53:25 < emeb_mac> you had EPROMS? We had toggle switches. AND WE LIKED IT!
2012-11-02T06:53:54 < emeb_mac> <degenerates into a Monty Python sketch>
2012-11-02T06:54:02 < ds2> 8051's used EPROMs!
2012-11-02T06:54:03 < baird> emeb_mac: "EPROMS!? Luxury!"
2012-11-02T06:54:38 < emeb_mac> Mind if we call you Bruce?
2012-11-02T06:54:47 < emeb_mac> oh wait - different sketch
2012-11-02T06:54:56 < baird> No problems, Bruce.
2012-11-02T06:55:45 < baird> (...one of the local politicians is a Bruce Baird.. -_-)
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2012-11-02T07:50:01 < dongs> NRND: Not recommended for new designs.
2012-11-02T07:50:11 < erik-k> ..... ohai flyback :P
2012-11-02T07:50:18 < dongs> just like flyback
2012-11-02T07:50:29 < dongs> NRAC: Not recommended for any chats
2012-11-02T08:07:16 < ds2> heh
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2012-11-02T08:38:54 < jpnorair> Hello: any opinion on best toolchain for OS X?
2012-11-02T08:44:11 < emeb_mac> err... yagarto?
2012-11-02T08:44:22 < emeb_mac> dongs: soldering led board...
2012-11-02T08:44:55 < jpnorair> Are there even any payware products for non-win?
2012-11-02T08:45:43 < jpnorair> Yagarto seems fine.  I am worried about the JTAG debugger though.
2012-11-02T08:46:30 < emeb_mac> How about Rowley?
2012-11-02T08:47:04 < emeb_mac> http://www.rowley.co.uk/arm/index.htm
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2012-11-02T08:47:24 < emeb_mac> Yagarto just uses OpenOCD IIRC
2012-11-02T08:47:39 < emeb_mac> which works. even has STLINK in newest versions.
2012-11-02T08:48:22 < jpnorair> That might be enough.
2012-11-02T08:49:13 < jpnorair> Do you use it?
2012-11-02T08:49:47 < emeb_mac> Yagarto on Mac OS X? No. I do all my dev on Linux.
2012-11-02T08:51:23 < jpnorair> Do you use it on Linux?
2012-11-02T08:52:10 < emeb_mac> I use the launchpad gcc toolchain. Just a plain gui text editor and make.
2012-11-02T08:52:45 < emeb_mac> Thinking about trying Eclipse though.
2012-11-02T08:52:56 < emeb_mac> which is basically what Yagarto is...
2012-11-02T08:52:59 < jpnorair> Yes.
2012-11-02T08:53:17 < jpnorair> It is nice to have breakpoints.
2012-11-02T08:53:37 < jpnorair> and I can't stand terminal gdb
2012-11-02T08:53:57 < emeb_mac> ddd is a nice frontend for it, but Eclipse seems smoother.
2012-11-02T08:54:41 < jpnorair> ddd runs fine on Linux, but on mac it is not so great.
2012-11-02T08:55:16 < jpnorair> although there is probably a ddd version for mac that I just don't know about.  Running it in X11 mode is not great
2012-11-02T08:56:37 < emeb_mac> I wouldn't bother with it on Mac.
2012-11-02T08:57:46 < DLPeterson> jpnorair, you know about gdb -tui, right?
2012-11-02T08:58:11 < jpnorair> umm, no.
2012-11-02T08:58:34 < DLPeterson> it isn't as rich as eclipse, but but at least you can see the source/assembly/registers straightaway
2012-11-02T08:59:40 < DLPeterson> do help layout in gdb
2012-11-02T08:59:48 < jpnorair> Thanks.
2012-11-02T09:00:28 < DLPeterson> what it lacks is a view of a set of variables that you are interested in inspecting quickly at a glance
2012-11-02T09:00:29 < jpnorair> That stuff is needed for working on RTOS… which is what I do
2012-11-02T09:00:41 < DLPeterson> which RTOS do you use?
2012-11-02T09:00:50 < jpnorair> I have my own RTOS
2012-11-02T09:00:58 < jpnorair> I debug the RTOS
2012-11-02T09:01:21 < jpnorair> It's called OpenTag, it's a WSN thing
2012-11-02T09:01:54 < DLPeterson> what is WSN?
2012-11-02T09:02:01 < jpnorair> wireless sensor network
2012-11-02T09:02:04 < DLPeterson> ah
2012-11-02T09:02:47 < jpnorair> I do like ChibiOS, but I need something that is also portable to smaller micros
2012-11-02T09:03:25 < jpnorair> So M3 is overkill, but in a nice way
2012-11-02T09:03:39 < DLPeterson> cool
2012-11-02T09:03:55 < DLPeterson> what sort of radios can support the Dash7 protocal?
2012-11-02T09:04:14 < jpnorair> TI has a bunch, ST has one now too.
2012-11-02T09:04:31 < jpnorair> Melexis, Semtech, bunch of other swiss companies.. :)
2012-11-02T09:04:37 < DLPeterson> do any of them integrate a cortex-m3/m4 with it?
2012-11-02T09:04:42 < jpnorair> Semtech
2012-11-02T09:04:44 < jpnorair> Melexis
2012-11-02T09:04:47 < jpnorair> ST
2012-11-02T09:05:13 < DLPeterson> i was looking at the stm32w a while back, but they have something new then?
2012-11-02T09:05:57 < jpnorair> It will come soon.
2012-11-02T09:06:35 < jpnorair> Actually, Semtech and Melexis do the combination on a board
2012-11-02T09:07:02 < jpnorair> they use the BGA STM32L, so the package is still SIP-like
2012-11-02T09:07:50 < jpnorair> Analog Devices also has ADuCRF101
2012-11-02T09:08:41 < jpnorair> But new ST SPIRIT1 is better as a radio than all of them, at least in the book.
2012-11-02T09:09:19 < DLPeterson> cool
2012-11-02T09:10:47 < jpnorair> Anyway, thanks.  If OpenOCD now has support for STlink, I am confident I can use Yagarto
2012-11-02T09:11:10 < jpnorair> This is a big deal for me.  I think I will open a beer (seriously).
2012-11-02T09:12:37 < DLPeterson> no problem :)
2012-11-02T09:12:53 < DLPeterson> i'm debating about opening another myself
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2012-11-02T09:31:07 < dongs> what hte hell my handsoldering is getting worse and worse
2012-11-02T09:34:43 < emeb_mac> I was thinking the same thing
2012-11-02T09:35:58 < emeb_mac> then I remembered how late it is.
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2012-11-02T09:50:18 < jpnorair> Cheers guys.  Thanks for the information.
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2012-11-02T10:44:37 < dongs> Laurenceb: beep
2012-11-02T10:44:53 < zyp> Laurencebeep
2012-11-02T10:44:59 < Laurenceb> hi
2012-11-02T10:45:09 < dongs> i ran out of sd sockets apparently
2012-11-02T10:45:23 < dongs> http://i.imgur.com/UJS93.jpg
2012-11-02T10:45:48 < dongs> so no testing of usb/sd stuff until digikey shows up
2012-11-02T10:46:00 < Laurenceb> doh
2012-11-02T10:46:25 < zyp> dongs, so it's going to be a light sequencer, loading patterns from SD card? :p
2012-11-02T10:46:29 < Laurenceb> ah, leds
2012-11-02T10:46:34 < dongs> zyp, yeah
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2012-11-02T11:57:49 < dongs> damn taobao troll is not answering
2012-11-02T11:58:03 < dongs> zyp: top connector is DP obviously, bottom must be wahtever itrash3 matches
2012-11-02T11:59:45 < zyp> is it DP? doesn't look deep enough
2012-11-02T12:00:53 < dongs> it is
2012-11-02T12:00:56 < dongs> 20pin smd dp shit
2012-11-02T12:01:32 < dongs> http://pinoutsguide.com/Video/DisplayPort_pinout.shtml
2012-11-02T12:01:59 < dongs> hmm
2012-11-02T12:02:03 < dongs> well pinout sure as hell doesnt match
2012-11-02T12:02:54 < zyp> I don't get how you can put a DP connector on that board without it breaking off, remember that DP connectors are about as large as HDMI connectors
2012-11-02T12:04:32 < zyp> the footprint looks more like some many-pin variant of some sort of JST connector or similar
2012-11-02T12:15:30 < dongs> why would they have a 20pin weird connector on it
2012-11-02T12:15:32 < dongs> if it isnt DP
2012-11-02T12:15:56 < zyp> to fit some other shit, I guess
2012-11-02T12:17:14 < dongs> maybe its miniDP?
2012-11-02T12:17:33 < dongs> minidp matches
2012-11-02T12:17:43 < dongs> hm or not
2012-11-02T12:20:25 < zyp> just look at the footprint, it's very obviously some JST style shit
2012-11-02T12:34:27 < dongs> hmm
2012-11-02T12:34:50 < Laurenceb_> sup
2012-11-02T12:34:55 <+Steffanx> tha sky bro
2012-11-02T12:35:03 < Laurenceb_> tiem to upgrade my tektronics scope
2012-11-02T12:35:14 <+Steffanx> don't break it
2012-11-02T12:39:29 < dongs> http://cache-www.intel.com/cd/00/00/46/85/468521_468521.pdf
2012-11-02T12:39:32 < dongs> page 15
2012-11-02T12:40:12 < zyp> that's some 40-pin shit
2012-11-02T12:40:16 < dongs> yes
2012-11-02T12:40:24 < zyp> the one on your board is 16-pin
2012-11-02T12:40:49 <+Steffanx> What connector/photo are you guys talking about?
2012-11-02T12:41:04 < dongs> hmm
2012-11-02T12:41:13 < dongs> the one on chinkboard the busy connector is 50pin
2012-11-02T12:41:49 < dongs> http://www.jxlcd.com/Upload/PicFiles/LP097QX1-SPA1.pdf jewpad3 lcd
2012-11-02T12:46:37 < Laurenceb_> awesome its working
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2012-11-02T12:47:13 <+Steffanx> it always works
2012-11-02T12:48:33 < Laurenceb_> when it doesnt break
2012-11-02T12:51:21 < dongs> so apple trash is likely that 51pin eDP connector.
2012-11-02T12:51:27 < dongs> trying to find a better looking picture
2012-11-02T12:51:39 < PaulFertser> Hi there. I wrote a small short reference about properly using interrupt priorities (+ some FreeRTOS specifics) as that appears to be quite a tricky topic. Unfortunately, i did it in russian (for the benefit of my coworkers): http://pastebin.com/pJ5y6W8C . I would appreciate a review though i'm not sure google translate would be any good for reading that.
2012-11-02T12:52:19 <+Steffanx> Time to wake up Thorn :)
2012-11-02T12:53:03 <+Steffanx> Very off topic:   your name doesn't look russian at all PaulFertser :)
2012-11-02T12:53:38 < dongs> laughin out loud.
2012-11-02T12:54:16 < dongs> I guess I will just have to buy a jewpad lcd first.
2012-11-02T12:54:25 < dongs> while its on the way ILl figure out connector.
2012-11-02T12:54:41 <+Steffanx> You really NEED that lcd?
2012-11-02T12:54:49 < dongs> yes.
2012-11-02T12:55:13 < Laurenceb_> niceeee
2012-11-02T12:55:21 < PaulFertser> Steffanx: well, my first name sounds more like "Pavel" but i prefer an English equivalent as that's hopefully easier for the others :)
2012-11-02T12:55:27 < Laurenceb_> new firmware runs
2012-11-02T12:55:37 <+Steffanx> no magic smoke?
2012-11-02T12:58:06 < Laurenceb_> way smoother
2012-11-02T13:13:15 < Laurenceb_> this is odd
2012-11-02T13:13:22 < Laurenceb_> 8mv offset on channel1
2012-11-02T13:13:28 < Laurenceb_> wasnt there before
2012-11-02T13:13:46 < Laurenceb_> maybe the calibration had been manually entered before, and its now overwritten
2012-11-02T13:16:54 <+Steffanx> Would be stupid if they did that imho
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2012-11-02T13:27:48 < dongs> you are chatting with JAMES WANG
2012-11-02T13:29:38 < dongs> 52 bucks
2012-11-02T13:29:39 < dongs> for lcd.
2012-11-02T13:29:44 < dongs> holy fucking lol at apple.
2012-11-02T13:35:07 <+Steffanx> James wang.. suuure
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2012-11-02T13:40:11 < dongs> zyp: http://i.imgur.com/jlth5.jpg
2012-11-02T13:56:49 <+Steffanx> dongs will be the designer of the jewpad 6?
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2012-11-02T14:37:01 < dongs> the other 2  connectors on the lcd are hirose
2012-11-02T14:37:06 < dongs> i guess no reason for the 3rd one not to be
2012-11-02T14:41:20 < Laurenceb_> http://www.wolframalpha.com/share/clip?f=d41d8cd98f00b204e9800998ecf8427eur4u66853s
2012-11-02T14:41:23 < Laurenceb_> funtimes
2012-11-02T14:41:44 < Laurenceb_> trying to calculate that on F4
2012-11-02T14:41:45 < dongs> hardcore
2012-11-02T14:42:24 < Laurenceb_> progress so far... trying to actually type it out
2012-11-02T14:44:06 < baird> I was about to point out that all occurances of a in the result were as a^2... but not the case.
2012-11-02T14:44:45 < Laurenceb_> its a kalman filter for fitting probability distributions
2012-11-02T14:46:00 < baird> Do the physicist trick of omitting 'small enough' values? :)
2012-11-02T14:46:00 < Laurenceb_> think i will go back to calaculating F3 opamp noise
2012-11-02T14:46:10 < Laurenceb_> this is giving me a headache
2012-11-02T14:46:27 < Laurenceb_> and my scope works nicely now
2012-11-02T14:47:10 < jpa-> nowadays i have to hit reset button all the time with stlink and stm32f4
2012-11-02T14:47:21 < baird> I was always doing that..
2012-11-02T14:47:34 < baird> At least with the projects that used the UART.
2012-11-02T14:48:29 < jpa-> interrupts seem to mess it up
2012-11-02T14:48:34 < jpa-> and especially DMA
2012-11-02T14:50:42 < dongs> Laurenceb_: did you upgrade firmware
2012-11-02T14:51:27 < Laurenceb_> yes
2012-11-02T14:51:32 < dongs> much faster?
2012-11-02T14:51:39 < Laurenceb_> yes
2012-11-02T14:51:46 < dongs> cool, so i wasnt seeing things.
2012-11-02T14:51:52 < Laurenceb_> jpa-: i think its because reset isnt connected
2012-11-02T14:52:10 < Laurenceb_> on my F1 board with reset connected stlink works correctly
2012-11-02T14:55:23 < Laurenceb_> is there a way to do averaging?
2012-11-02T14:55:38 < Laurenceb_> i was to average my noise spectrums
2012-11-02T14:55:39 < dongs> (1+2+3)/3
2012-11-02T14:56:28 < Laurenceb_> hmm.. equation editor
2012-11-02T14:56:32 < Laurenceb_> looks like it
2012-11-02T14:56:35 < Laurenceb_> pita to set up
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2012-11-02T14:57:50 < jpa-> Laurenceb_: my reset is connected
2012-11-02T14:58:09 < jpa-> and it does reset the board.. sometimes.. but usually only when i don't want it to reset
2012-11-02T14:58:23 < jpa-> for example, if program crashes and i want to hook up a debugger, it resets
2012-11-02T14:58:25 < Laurenceb_> hmm
2012-11-02T14:58:30 < jpa-> but if i want to write a new program, it does not reset
2012-11-02T14:58:41 < Laurenceb_> yeah maybe mine does the same
2012-11-02T14:58:47 < Laurenceb_> i havent investigated
2012-11-02T14:58:56 < jpa-> me neither
2012-11-02T14:59:12 < jpa-> it's not like the texane/stlink is a community project or anything ,)
2012-11-02T15:01:04 < Laurenceb_> rage
2012-11-02T15:01:05 < dongs> http://www.servdigital.com/5305.html
2012-11-02T15:01:17 < Laurenceb_> tekfail wont let we combine average and fft
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2012-11-02T15:09:26 < Laurenceb_> wow usb storage is slow
2012-11-02T15:12:22 < zyp> you're doing something wrong
2012-11-02T15:13:19 < Laurenceb_> tektronics are
2012-11-02T15:13:35 < Laurenceb_> oh shit
2012-11-02T15:13:46 < Laurenceb_> it was trying to write all data
2012-11-02T15:13:50 < Laurenceb_> at 10Msps
2012-11-02T15:14:08 < zyp> right
2012-11-02T15:14:12 < Laurenceb_> lols
2012-11-02T15:14:13 <+Steffanx> left
2012-11-02T15:14:15 < zyp> like I said, you're doing something wrong
2012-11-02T15:14:53 <+Steffanx> You hear that often Laurenceb_ ? "you're doing something wrong"?
2012-11-02T15:15:24 < dongs> you';re doing something dong
2012-11-02T15:15:40 <+Steffanx> This channel is your rubberduck-ish channel isn't it Laurenceb_ ?
2012-11-02T15:15:49 -!- DaKu is now known as daku
2012-11-02T15:16:11 < zyp> Steffanx, you can be the rubber duck
2012-11-02T15:16:35 <+Steffanx> He talks in public to everyone, so you can be the rubber duck too
2012-11-02T15:21:18 < dongs> rubber dong, you mean
2012-11-02T15:23:41 < Laurenceb_> www.shewee.com/
2012-11-02T15:29:10 < Laurenceb_> http://www.youtube.com/watch?v=-AlF3W6T2uc
2012-11-02T15:31:45 <+Steffanx> You are the dong fan here, not me dongs
2012-11-02T15:33:14 < karlp> whee, wind gusts have hit 70m/s today.
2012-11-02T15:33:29 <+Steffanx> sandy came to iceland?
2012-11-02T15:33:37 < karlp> nah, this is our own from the north
2012-11-02T15:33:46 < karlp> sandy won't get here for a few days, should be just rain/snow by then
2012-11-02T15:36:15 < BrainDamage> 250km/h? that's really impressive
2012-11-02T15:36:20 < BrainDamage> tornado?
2012-11-02T15:36:23 < karlp> http://www.vedur.is/vedur/sjovedur/djup/
2012-11-02T15:36:57 < karlp> that's probably actually a damaged meter, but there's multiple stations reporting gusts over 50m/s
2012-11-02T15:37:32 < karlp> one of the office buildings has deployed a guy to spend the day holding people crossing a wind tunnel by their building
2012-11-02T15:37:35 < karlp> was knocking people over
2012-11-02T15:39:38 < karlp> http://img.visir.is/apps/pbcsi.dll/bilde?Site=XZ&Date=20121102&Category=FRETTIR01&ArtNo=121109841&Ref=V3
2012-11-02T15:39:49 < karlp> stupid website doesn't know how to make links to images
2012-11-02T15:40:54 < BrainDamage> 37 is much more "reasonable"
2012-11-02T15:41:37 < BrainDamage> still sufficient to knock people over and do damage tough
2012-11-02T15:42:52 < karlp> the red number is gust, the yellow number is steady
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2012-11-02T15:44:20 < Claude> rubberduck , rubber dongs .. all rubbish! rubber johnny ftw : http://www.youtube.com/watch?v=K_pAQHwBLNQ
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2012-11-02T15:54:11 <+Steffanx> wtf @ weird movie Claude
2012-11-02T15:54:53 < Claude> lol yeah definitely wtf
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2012-11-02T16:27:56 < Laurenceb_> haha rubber jonny
2012-11-02T16:28:00 < Laurenceb_> epic vid
2012-11-02T16:29:57 < Laurenceb_> https://upload.wikimedia.org/wikipedia/commons/1/18/Bayes%27_Theorem_MMB_01.jpg
2012-11-02T16:36:14 <+Steffanx> Why someone wants that in neon-ish characters stuff ?
2012-11-02T16:36:17 < Laurenceb_> oh
2012-11-02T16:36:31 < Laurenceb_> you are supposed to calibrate the scope after firmware upgrade
2012-11-02T16:36:43 <+Steffanx> ha
2012-11-02T16:36:55 < Laurenceb_> no wonder its being weird
2012-11-02T16:38:13 < karlp> there's a difference between P(a|b) and P(b|a) ?
2012-11-02T16:40:10 < karlp> oh, it's given, not or.
2012-11-02T16:40:11 < zyp> with | being the «given»-operator? of course
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2012-11-02T16:55:11 < Laurenceb_> rageeee
2012-11-02T16:55:22 < Laurenceb_> they have stuck a noise floor limit on the fft
2012-11-02T16:55:32 < Laurenceb_> dongs has epically trolled me now
2012-11-02T16:55:43 < Laurenceb_> scope is useless for what i want
2012-11-02T16:56:30 <+Steffanx> So now you have a uncalibrated crap scope?
2012-11-02T16:56:35 < Laurenceb_> nope
2012-11-02T16:56:46 < Laurenceb_> its well calibrated
2012-11-02T16:56:59 < Laurenceb_> but its now drawing a big red line across the fft results
2012-11-02T16:57:06 < Laurenceb_> maybe the raw data will be ok
2012-11-02T16:57:11 <+Steffanx> You calibrated it? Or did it do some self calibration?
2012-11-02T16:57:22 < Laurenceb_> self calibration proceedure
2012-11-02T16:58:39 < Laurenceb_> ha
2012-11-02T16:58:49 <+Steffanx> ho
2012-11-02T16:58:50 < Laurenceb_> entering it with the maths editor worked
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2012-11-02T17:02:30 < Laurenceb_> guess they thought itd be neater to cover all the scope noise
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2012-11-02T17:10:10 <+Steffanx> At least Laurenceb_ outsmarted them
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2012-11-02T17:22:58 < Laurenceb_>  kitty"girl"
2012-11-02T17:24:39 < Laurenceb_> https://images.encyclopediadramatica.se/3/31/14_f_cali.jpg
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2012-11-02T18:45:01 < Laurenceb_> http://en.wikipedia.org/wiki/Wank_Week
2012-11-02T18:45:05 < Laurenceb_> ^lol
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2012-11-02T19:01:26 < TitanMKD> hi
2012-11-02T19:02:07 < zyp> hi
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2012-11-02T19:12:29 <+Steffanx> lo
2012-11-02T19:18:20 < emeb> lo
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2012-11-02T19:27:38 < Laurenceb_> http://imgur.com/RbilC,LJOpt
2012-11-02T19:27:57 < Laurenceb_> im not convinced the results are still valid at higher frequencies
2012-11-02T19:28:16 < Laurenceb_> and 100nV is about the limit of my scopes repeatability
2012-11-02T19:28:20 <+Steffanx> How good is your test equipment? :)
2012-11-02T19:28:28 < Laurenceb_> but the initial trail off looks sane
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2012-11-02T19:59:01 < Laurenceb_> so its not brilliant but not horrible either
2012-11-02T19:59:21 < Laurenceb_> discovery with leaded components trailing off isnt the best way to test either
2012-11-02T19:59:34 < Laurenceb_> i may investigate using the adc and some dsp
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2012-11-02T20:27:28 < emeb> Laurenceb_: the f3disco has an f303 part which doesn't have the 16-bit SDADCs, right?
2012-11-02T20:27:38 < Laurenceb_> yes
2012-11-02T20:28:06 < emeb> so no way to evaluate how well that performs until you get hands on an F373...
2012-11-02T20:34:59 < Laurenceb_> https://my.st.com/public/STe2ecommunities/mcu/Lists/STM32Discovery/Flat.aspx?RootFolder=%2fpublic%2fSTe2ecommunities%2fmcu%2fLists%2fSTM32Discovery%2fSTM32F3Discovery%20opamp%20benchmarking&FolderCTID=0x01200200770978C69A1141439FE559EB459D75800084C20D8867EAD444A5987D47BE638E0F&TopicsView=https%3A%2F%2Fmy.st.com%2Fpublic%2FSTe2ecommunities%2Fmcu%2FLists%2FSTM32Discovery%2FAllItems.aspx&currentviews=0
2012-11-02T20:35:03 < Laurenceb_> eww url
2012-11-02T20:35:54 < Laurenceb_> https://www.sparkfun.com/products/11515
2012-11-02T20:35:59 < Laurenceb_> no hub == epic fail
2012-11-02T20:37:22 < zyp> not really
2012-11-02T20:37:57 < zyp> it looks rather useful, I think I'll be picking up a few of those
2012-11-02T20:38:44 < zyp> but I'm also concerned about the unused stubs, like some of the commenters
2012-11-02T20:39:25 < zyp> would be fun to see the eye diagram of that
2012-11-02T20:40:04 < Laurenceb_> lol theres an undergrad project for:
2012-11-02T20:40:22 < Laurenceb_> "design and construction of covert growlamps for cannabis production"
2012-11-02T20:40:57 < emeb> zyp: wonder if there's active switching in the junction - detect which plug is drawing current and disable others...
2012-11-02T20:41:13 < emeb> probably not for $6
2012-11-02T20:41:16 < zyp> nah, it's not
2012-11-02T20:42:24 < jpa-> quite long stubs also
2012-11-02T20:42:35 < emeb> hard to see the advantage of that over 3 individual cables.
2012-11-02T20:42:39 < Laurenceb_> this is actually being run by the university
2012-11-02T20:42:41 < Laurenceb_> wtf
2012-11-02T20:44:35 < zyp> emeb, consider a situation where you have one A port that's inconveneient to reach, that you plug different stuff into
2012-11-02T20:45:37 < emeb> zyp: I have that situation. I put in an A-plug to A-socket cable to a location that is convenient.
2012-11-02T20:45:43 < zyp> like the usb analyzer that's sitting behind a bunch of mess on my desk, I wouldn't mind not having to change between a mini-B and micro-B cable from it depending on what I'm analyzing
2012-11-02T20:45:54 -!- akaWolf [~akaWolf@unaffiliated/akawolf] has quit [Ping timeout: 240 seconds]
2012-11-02T20:46:48 < emeb> actually, two of them. With a mini hub on one that fans out to 4 more. very handy.
2012-11-02T20:47:20 < zyp> though, a cable with dubious signal integrity seems counter intuitive on an analyzer
2012-11-02T20:48:14 < emeb> you need genuine Monster (tm) cables with oxygen free copper wire and gold-plated contacts!
2012-11-02T20:48:30 < zyp> ha
2012-11-02T20:48:44  * emeb believes the only thing Monster cables are guaranteed to do is empty your wallet faster.
2012-11-02T20:48:49 < zyp> yeah
2012-11-02T20:52:09 <+Steffanx> I bet ebay or de has them for at least half of that price :P
2012-11-02T20:53:22 <+Steffanx> or just without the hobby tax
2012-11-02T20:53:49 < zyp> because you can't afford a $6 usb cable?
2012-11-02T20:54:30 <+Steffanx> because you don't one to pay hobby tax
2012-11-02T20:58:26 <+Steffanx> There was/is this solder paste on SF with still had the DE label on it :P
2012-11-02T20:59:50 <+Steffanx> Oh, it's still there :D
2012-11-02T21:00:12 < BrainDamage> de?
2012-11-02T21:00:24 <+Steffanx> dealextreme
2012-11-02T21:01:04 < BrainDamage> kinda funny, dx ran out of that type of paste
2012-11-02T21:01:28 <+Steffanx> Yeah
2012-11-02T21:08:06 -!- jon1012 [~jon@foresight/developer/jon1012] has quit [Remote host closed the connection]
2012-11-02T21:16:16 < upgrdman_> whats DE?
2012-11-02T21:16:26 < upgrdman_> o
2012-11-02T21:16:29 < upgrdman_> nevermind :)
2012-11-02T21:16:47 <+Steffanx> Good morning upgrdman
2012-11-02T21:17:06 < upgrdman_> yes, yes it is.
2012-11-02T21:17:14 < upgrdman_> *tips hat*
2012-11-02T21:17:53 < upgrdman_> i just made my first real photolith pcb... turned out way better than i expected.
2012-11-02T21:18:22 < upgrdman_> if it wasn't for the lack of solder-resist i would say it turned out like a "real" pcb
2012-11-02T21:18:26 < BrainDamage> did you use a presentivized board or srpayed the resist yourself?
2012-11-02T21:18:30 < upgrdman_> pre
2012-11-02T21:18:43 < BrainDamage> that makes a rather large difference
2012-11-02T21:18:45 < upgrdman_> MH chem single-sized, 1oz, 1/16"
2012-11-02T21:18:53 < upgrdman_> MG chem*
2012-11-02T21:19:22 < zyp> it's not hard to get good results as long as you have a decent printer
2012-11-02T21:19:38 < zyp> double sided boards are also pretty easy
2012-11-02T21:19:44 < upgrdman_> i also bought an MG chem exposing kit... feel like i got ripped off on that through :( looks like a regular fluorescent lamp, in a crappy housing with brackets that are slightly too small to hold the lamp
2012-11-02T21:20:02 < upgrdman_> but it works
2012-11-02T21:20:18 < upgrdman_> ya, i bought a 1200dpi laster printer
2012-11-02T21:20:25 < BrainDamage> a 10$ nail art lamp works excellent
2012-11-02T21:20:31 < upgrdman_> my cheap inkjet printer was pissing me off
2012-11-02T21:20:38 < BrainDamage> I checked the spectrum and it overlaps 93%
2012-11-02T21:20:43 < zyp> laser is the shit
2012-11-02T21:21:37 < upgrdman_> ya. i had a color laser several years ago. loved it but it wasn't cost-effective to get new toner for it, so i got a cheap inkjet when i bought a laptop. regreted the inkjet after the first print. :)
2012-11-02T21:22:28 < BrainDamage> I have an inkjet and it's a pain
2012-11-02T21:22:31 < upgrdman_> my new laser print is great. quiet, fast, ethernet and wifi. now i just need to keep my cat from sleeping on it. she likes the temp
2012-11-02T21:23:12 < BrainDamage> not only random quirks, but the ink is more expensive than blood, reflling manually means overcoming the builtin protection, and using readily made regenerated is not the convenient either
2012-11-02T21:23:47 < upgrdman_> ya i used ebay ink. good enough for what i needed... printing homework, but that was all it was good for.
2012-11-02T21:24:15 < upgrdman_> i feel like i went from qvga to a retina display... wrt print quality
2012-11-02T21:24:50 < emeb> networked b/w laser is amazing - get that kind of equipment of ~$100
2012-11-02T21:26:36 < jpa-> my laser sucks at sucking up paper
2012-11-02T21:26:49 <+Steffanx> Feed it paper by hand
2012-11-02T21:27:13 <+Steffanx> Good practice for when you once have a kid you have to feed by hand
2012-11-02T21:28:29 < upgrdman_> emeb: what dpi? my printer was $200... there were lots of 600dpi network lp's but <$100, but none with 1200+dpi
2012-11-02T21:28:46 < upgrdman_> *lp's for <$100
2012-11-02T21:29:58 <+Steffanx> Even my too old 2nd hand laser printer is 1200dpi :)
2012-11-02T21:31:03 < upgrdman_> i know they are common, but i didnt see any new ones cheap
2012-11-02T21:31:27 < upgrdman_> and by 1200dpi i mean 1200x1200... not 600x1200
2012-11-02T21:31:36 <+Steffanx> Yes yes
2012-11-02T21:39:54 < emeb> upgrdman_: mine is a Brother HL-2270DW - 2400x600. Cost about $100 a few months ago.
2012-11-02T21:40:49 < emeb> nice thing is that it does duplex if needed.
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2012-11-02T22:07:24 < upgrdman_> emeb: i have a brother as well. dont recall the number. 1200x1200 black only, duplux, 40ppm at 300dpi
2012-11-02T22:09:03 < emeb> they're nice. I had an older HL-1270N that lasted for ~10yrs before it started to fade out and replacing drum/toner didn't help.
2012-11-02T22:10:35 < upgrdman_> my work got a borther all-in-one, one of their cheaper ones, and its been good. thats why i bought a borther printer.
2012-11-02T22:10:57 < upgrdman_> nice and quiet, reasonably priced
2012-11-02T22:11:12 < upgrdman_> i think mine is the 5450 http://www.brother-usa.com/Printer/ModelDetail.aspx?ProductID=HL5450DN#.UJQo1mdTC_0
2012-11-02T22:11:56 < upgrdman_> printing on transparencies, and i find no defects. 10 mil traces are trivial (as expected) and i have yet to try finer than that
2012-11-02T22:12:54 < upgrdman_> damn it. brother is doing a $50 instant rebate now :( i guess that's what i get for not planning my purchases around the holidays
2012-11-02T22:15:20 < upgrdman_> anyone here read the arrl handbook? seems like a good intro to electronics and rf in gernal, and the price is great.
2012-11-02T22:19:53 -!- Claude is now known as claude
2012-11-02T22:26:41 < emeb> Good to have a copy of the Radio Amateur's Handbook around.
2012-11-02T22:27:05 < emeb> esp. for the linear circuits, filters, RF, etc.
2012-11-02T22:27:23 < Tectu> does anyone of you have deeper knowledge of doxygen?
2012-11-02T22:27:35 < Tectu> I have serval groups, but only ONE does not display anthing o0
2012-11-02T22:28:27 < emeb> serval groups? -> http://en.wikipedia.org/wiki/Serval
2012-11-02T22:28:36 < emeb> :P
2012-11-02T22:29:15  * emeb knows he is not being helpful.
2012-11-02T22:29:28 < Tectu> several :<
2012-11-02T22:29:54 < Tectu> emeb, here:
2012-11-02T22:29:59 < Tectu> <troll> file:///home/tectu/projects/resources/chibios/ext/gfx/html/modules.html </troll
2012-11-02T22:30:01 < Tectu> >
2012-11-02T22:30:36 < emeb> Error running gnome-open '/home/tectu/projects/resources/chibios/ext/gfx/html/modules.html'
2012-11-02T22:31:10 < ds2> AoE is better if you don't need RF centricity
2012-11-02T22:31:41 < emeb> And it's good for fending off small weapons fire.
2012-11-02T22:32:21 < ds2> it lacks of +1 deity repell of the other book
2012-11-02T22:33:37 < emeb> AoE is good for finding useful ckts with basic IC building blocks like timers, op-amps, etc. RAH is more theoretical.
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2012-11-02T22:34:26 < emeb> or rather, more basic, less IC oriented.
2012-11-02T22:35:22 < ds2> more linear stuff
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2012-11-02T22:35:39 < ds2> don't think AoE (at least my edition) talks about building opams with transistors
2012-11-02T22:50:14 < Tectu> emeb, found doxygen issue
2012-11-02T22:50:26 < emeb> \o/
2012-11-02T22:50:52  * emeb only knows doxygen as that annoying thing that gets run in some make processes.
2012-11-02T22:51:12 < Tectu> which takes longer than compiling, eh?
2012-11-02T22:51:30 < emeb> yup, or bombs out because of some missing dependency.
2012-11-02T22:51:56 -!- BrainDamage [~BrainDama@62.10.6.74] has quit [Read error: Connection reset by peer]
2012-11-02T22:52:41  * emeb considers getting a Nexus 7 to use up an OfficeDepot coupon.
2012-11-02T22:53:48 -!- BrainDamage [~BrainDama@62.10.6.74] has joined ##stm32
2012-11-02T23:05:58 < ds2> port the debugger to it
2012-11-02T23:07:09 < Bird|lappy> xD
2012-11-02T23:07:37 < Bird|lappy> I want to see an Android phone JTAGing something
2012-11-02T23:08:18 < ds2> should be trivial
2012-11-02T23:15:19 -!- barthess [~barthess@178.154.65.82] has quit [Ping timeout: 260 seconds]
2012-11-02T23:19:29 <+Steffanx> What is a general solution for inputs that can handle like 3.3-12V ?
2012-11-02T23:21:13 <+Steffanx> *should be able to handle 3.3V - 12V
2012-11-02T23:21:24 < zyp> leaving it disconnected :D
2012-11-02T23:21:41 <+Steffanx> Uhuh
2012-11-02T23:21:46 <+Steffanx>  /kick zyp
2012-11-02T23:22:11 <+Steffanx> I'll keep you disconnected :P
2012-11-02T23:22:48 < BrainDamage> just input? stick a zener
2012-11-02T23:23:01 < BrainDamage> ( and a resistor ofc )
2012-11-02T23:27:50 < emeb> maybe even leave off the resistor.
2012-11-02T23:27:58 < emeb> s/resistor/zener/
2012-11-02T23:28:39 < emeb> Xilinx app notes suggest a resistor large enough to keep the total input current to the ESD diode within limits.
2012-11-02T23:29:30 < BrainDamage> that should work
2012-11-02T23:29:53 < Bird|lappy> yeah
2012-11-02T23:30:35 < emeb> so the trick is just to figure out the max input current limit. :)
2012-11-02T23:32:43 < emeb> who needs semiconductors? -> http://www.jogis-roehrenbude.de/Leserbriefe/Bruegmann-Digital-Roehren-Clock/Digital-Roehrenuhr.htm
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2012-11-03T00:40:08 < feroz> Hello
2012-11-03T00:40:54 < zyp> hi
2012-11-03T00:42:46 < feroz> Is there any place i can find a makefile and linker script for stm32w108 please?
2012-11-03T00:45:46 < zyp> I haven't seen one specifically for stm32w, but it should be easy enough to adapt one from stm32f
2012-11-03T00:46:35 < zyp> which chip variant do you have?
2012-11-03T00:46:44 < feroz> stm32w108
2012-11-03T00:46:50 < feroz> it's actually the rfckit
2012-11-03T00:46:56 < zyp> and the next two letters?
2012-11-03T00:46:59 -!- bsdfox [~Bob@unaffiliated/bsdfox] has quit [Ping timeout: 255 seconds]
2012-11-03T00:47:44 < zyp> the next letter tells about the flash size, which goes into the linker script
2012-11-03T00:48:23 <+Steffanx> That's ugly emeb :(
2012-11-03T00:48:56 < emeb> Steffanx: happiness is a whole lot of warm tubes!
2012-11-03T00:49:04 < feroz> zyp: it has 127K Flash and  8K Ram
2012-11-03T00:49:07 <+Steffanx> Too use the ESD/clamp diodes from the uc itself is ugly imho
2012-11-03T00:49:25 <+Steffanx> ^^ that is ugly, not that clock
2012-11-03T00:49:42 < emeb> Steffanx: that solution was suggested by none other than Xilinx's wise old man Peter Alfke.
2012-11-03T00:50:00 < emeb> may he rest in peace.
2012-11-03T00:50:15 <+Steffanx> Maybe i'll go with the external version of  that
2012-11-03T00:50:26 < emeb> PA was an excellent engineer. Good enough for him...
2012-11-03T00:50:31 < feroz> It'll try to adapt from a stm32f makefile as you suggested. Thanks zyp.
2012-11-03T00:50:37 < zyp> yep
2012-11-03T00:50:38 < Bird|lappy> Steffanx, as long as you don't exceed Iik, you should be fine, or you can spend the extra few pennies on 1n4148s/...
2012-11-03T00:50:53 < zyp> feroz, the only difference should be the section sizes, which you just mentioned
2012-11-03T00:51:17 < emeb> Bird|lappy: the on-chip ESD diodes probaly have a lower Vf too, so they'll likely cut in before the 1n4148 does anyway.
2012-11-03T00:51:56 < emeb> (but shallower V/I slope, so eventually the external diodes will take the majority of the load)
2012-11-03T00:51:58 < feroz> And, I see you mention TNT toolchain in the topic, what makes it different from summon-arm toolchain?
2012-11-03T00:52:27 < zyp> the name
2012-11-03T00:53:11 < feroz> Okay!
2012-11-03T00:53:29 <+Steffanx> size of the 'binary'
2012-11-03T00:53:46 <+Steffanx> dekar tried to make the final result as small as possible
2012-11-03T00:55:04 < jpa-> the G++ that comes with TNT bitches about everything i do
2012-11-03T00:55:19 <+Steffanx> heh
2012-11-03T00:55:42 < jpa-> well, mostly about unique_ptr :P
2012-11-03T00:56:02 < zyp> heh
2012-11-03T00:56:12 < zyp> normal STL?
2012-11-03T00:56:52 < jpa-> yeah
2012-11-03T00:57:14 < jpa-> http://paste.dy.fi/lfG/plain
2012-11-03T00:57:15 < zyp> how is that working out for you?
2012-11-03T00:57:21 < jpa-> quite well, actually
2012-11-03T00:57:23 < jpa-> a bit bloat
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2012-11-03T00:58:39 < zyp> you're trying to copy a unique_ptr, of course that won't work :p
2012-11-03T00:59:23 < zyp> it's complaining that you are trying to invoke the copy constructor, which is deleted
2012-11-03T00:59:37 < jpa-> my whole program is 24kB.. 2kB comes from STL vectors, i'm not using much else
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2012-11-03T01:00:14 < zyp> oh, not bad
2012-11-03T01:00:43 < zyp> maybe I'll also try using STL then, rather than reinventing it :p
2012-11-03T01:01:26 < jpa-> but i'm not trying to invoke copy constructor, i'm simply making a std::vector<TextDrawable> and unique_ptr should be fine with vectors, right?
2012-11-03T01:01:45 < zyp> can you pastebin the code?
2012-11-03T01:01:46 < Bird|lappy> jpa-, vectors need to be able to copy their type-arg
2012-11-03T01:01:56 < zyp> yeah
2012-11-03T01:02:17 < jpa-> zyp: it comes from https://github.com/PetteriAimonen/dso-quad-logic/blob/master/gui/breaklines.hh#L28  that vector
2012-11-03T01:02:17 < zyp> you should probably yse shared_ptr if you are putting it in a vector
2012-11-03T01:02:53 < jpa-> aha
2012-11-03T01:02:57 < zyp> hmm, but you are not
2012-11-03T01:02:57 < jpa-> could be true
2012-11-03T01:03:07 < zyp> where is the code using the unique_ptr?
2012-11-03T01:03:17 < jpa-> TextDrawable contains a unique_ptr field
2012-11-03T01:04:08 < zyp> ah, and that means that TextDrawable itself can't be copyed
2012-11-03T01:05:07 < jpa-> yeah
2012-11-03T01:05:26 < jpa-> i thought that unique_ptr is supposed to be atleast somewhat happy with STL containers
2012-11-03T01:05:55 < jpa-> i.e. you can use it and it will only complain if you try to make a copy of the vector
2012-11-03T01:08:16 < jpa-> http://stackoverflow.com/questions/2687342/how-can-i-get-this-code-involving-unique-ptr-to-compile?rq=1   probably related but i don't master this level of magic
2012-11-03T01:09:03 < zyp> ah, right
2012-11-03T01:09:18 < zyp> «Probably your standard library doesn't (yet) define unique_ptr<T>::unique_ptr(unique_ptr &&).»
2012-11-03T01:09:24 < zyp> i.e. the move constructor
2012-11-03T01:10:04 < zyp> hmm, no
2012-11-03T01:10:45 < jpa-> actually the code works fine with g++ 4.6 but not with 4.8
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2012-11-03T01:11:08 < zyp> interesting
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2012-11-03T01:12:30 < zyp> the solution of that first guy is to implement the rvalue reference variants of the copy constructor/operator
2012-11-03T01:12:39 < zyp> i.e. move constructor/operator
2012-11-03T01:13:02 < zyp> which explicitly calls move on the pointer
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2012-11-03T01:13:49 < zyp> I'm not too familiar with rvalue references and the move mechanics, I haven't used them myself yet
2012-11-03T01:24:32 < dongs> http://betabeat.com/2012/11/less-looting-more-trolling-daily-mail-drudge-get-pwnd-by-twitter-pranksters/
2012-11-03T01:24:48 <+Steffanx> Good morning dongs
2012-11-03T01:26:27 < zyp> hmm, STL containers support custom allocators, should work nicely then
2012-11-03T01:26:59 < jpa-> zyp: aha, i only needed   TextDrawable(TextDrawable &&) = default;   and the same thing to the Drawable base class
2012-11-03T01:27:11 < zyp> :)
2012-11-03T01:27:14 < Laurenceb> but dongs hates black ppl
2012-11-03T01:27:21 < jpa-> reason is apparently "This behaviour is required by C++11.  A move assignment operator will not be
2012-11-03T01:27:22 < jpa-> implicitly declared for a class with a user-declared destructor."
2012-11-03T01:27:26 < Laurenceb> obviously hes no longer involved
2012-11-03T01:27:28 < zyp> ah
2012-11-03T01:27:31 < zyp> good to know
2012-11-03T01:27:49 < Laurenceb> or maybe its double ironic or something
2012-11-03T01:31:46 < Laurenceb> lol infowarz
2012-11-03T01:31:58 < Laurenceb> "pay for access NOW"
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2012-11-03T01:38:40 < jpa-> heh, first time that TNT had bigger code size than codesourcery: 26kB vs. 24kB
2012-11-03T01:38:59 < Laurenceb> latest codesourcery?
2012-11-03T01:39:09 < Laurenceb> anything odd about the code?
2012-11-03T01:39:30 < jpa-> c++
2012-11-03T01:39:42 < Laurenceb> ah
2012-11-03T01:40:06 < Laurenceb> ive tnt versus iar
2012-11-03T01:40:08 < dongs> is C ++11 used for anything serious
2012-11-03T01:40:22 < dongs> i mean besides zyp code.
2012-11-03T01:40:23 < Laurenceb> * +benchmarked
2012-11-03T01:40:26 < jpa-> jpa code
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2012-11-03T01:40:45 < Laurenceb> and they are about equal
2012-11-03T01:41:02 < Laurenceb> iar is very slightly better most of the time
2012-11-03T01:41:04 < zyp> for what?
2012-11-03T01:41:08 < Laurenceb> size
2012-11-03T01:41:14 < zyp> I mean the benchmark
2012-11-03T01:41:15 < Laurenceb> havent benchmarked speed
2012-11-03T01:41:16 < ds2> ewwwwwwwwwwwwwwwwwwwwww IAR
2012-11-03T01:41:19 < Laurenceb> hehe
2012-11-03T01:41:27 < zyp> ah
2012-11-03T01:41:39 < ds2> why don't we also work on cars with Nerf tools
2012-11-03T01:41:39 < zyp> I thought you finally had some interesting numbers to come with
2012-11-03T01:41:41 < Laurenceb> by like 2%
2012-11-03T01:41:54 < Laurenceb> nope :P
2012-11-03T01:42:08 < Laurenceb> oh i benchmarked F3 opamps tho :P
2012-11-03T01:42:13 < Laurenceb> but i linked that already
2012-11-03T01:42:31 < Laurenceb> its mediocre
2012-11-03T01:42:31 < zyp> I'm not interested in opamps :p
2012-11-03T01:42:52 < ds2> how did you benchmarp opamps?
2012-11-03T01:42:54 < Laurenceb> i might try F1 for my mini spectrometer thingy
2012-11-03T01:43:05 < Laurenceb> ds2: using external feedback network
2012-11-03T01:43:25 < ds2> what are you bench marking?
2012-11-03T01:43:40 < Laurenceb> voltage and current noise density
2012-11-03T01:44:31 < ds2> Hmmm
2012-11-03T01:44:46 < ds2> bad enough to drown a raw thermocouple signal?
2012-11-03T01:45:31  * Laurenceb thinks
2012-11-03T01:45:41 < Laurenceb> for that the offset drift is more of an issue
2012-11-03T01:46:14 < ds2> hmm
2012-11-03T01:49:01 < upgrdman> anyone here use gcc? ld can't find a lib, and im almost positive i've got the arguments correct.
2012-11-03T01:49:36 < zyp> can't find a lib?
2012-11-03T01:49:58 < emeb> no one here ever uses gcc. except dongs - he uses it all the time.
2012-11-03T01:50:06 < zyp> :)
2012-11-03T01:50:13 < upgrdman> ...arm-none-eabi/bin/ld: cannot find -llibstm32_stdperiph_f10x
2012-11-03T01:50:24 < upgrdman> and when i run gcc, i use:
2012-11-03T01:50:25 < zyp> drop the lib-part of the name
2012-11-03T01:50:40 < zyp> i.e. -lstm32_stdperiph_lib
2012-11-03T01:50:50 < upgrdman> o
2012-11-03T01:50:54 < Laurenceb> i was going to use an lqfp-48 F30x for a micro sensor
2012-11-03T01:50:56 < upgrdman> that worked. why
2012-11-03T01:50:58 < Laurenceb> about 14mm diameter
2012-11-03T01:51:05 < dongs> http://i.imgur.com/wbZkR.png take off all zig
2012-11-03T01:51:05 < upgrdman> the filename started with lib
2012-11-03T01:51:09 < dongs> for IC damage
2012-11-03T01:51:10 < zyp> upgrdman, because that's how the -l argument works
2012-11-03T01:51:17 < Laurenceb> but actually VFQFPN36 would maybe work better
2012-11-03T01:51:18 < zyp> it prepends lib automatically
2012-11-03T01:51:22 < Laurenceb> - stm32f103
2012-11-03T01:51:25 < upgrdman> k
2012-11-03T01:51:28 < emeb> crazy koreanish.
2012-11-03T01:51:49 < emeb> or is that koreanese?
2012-11-03T01:51:53 < Laurenceb> any zig?
2012-11-03T01:52:05  * Laurenceb heads to albinoblacksheep
2012-11-03T01:52:10 < emeb> those vqfns are tiny
2012-11-03T01:52:23 < ds2> why would one ever not use gcc?
2012-11-03T01:52:24 < Laurenceb> yeah, sucks that F30x is so big
2012-11-03T01:52:26 < emeb> albinoblacksheep. pub?
2012-11-03T01:52:37 < zyp> ds2, don't start a flamewar
2012-11-03T01:52:58 < Laurenceb> f103 is half the size, enough room for external opamp
2012-11-03T01:53:09 < ds2> ok
2012-11-03T01:53:12 < Bird|lappy> ds2, I actually have worked with a platform with no GCC support.
2012-11-03T01:53:18 < emeb> probably a better op-amp than the ones on the 303
2012-11-03T01:53:45 < Laurenceb> yes
2012-11-03T01:53:58 < Laurenceb> theres some good sc-70 microchip stuff
2012-11-03T01:54:13 < ds2> how low of a voltage do those go?
2012-11-03T01:57:28 < Laurenceb> 1.8v or something
2012-11-03T01:57:37 < Laurenceb> but if you want split rail 2.7v iirc
2012-11-03T01:57:51 < upgrdman> for the f4 and f0 i found startup_stm32f4xx.s files... but not for the f1. anyone know where i could find one
2012-11-03T01:58:04 < Laurenceb> unless you do some weird midrail offsaet thing
2012-11-03T01:58:12 < Laurenceb> on my github
2012-11-03T01:58:30 < Laurenceb> search for laurenceb
2012-11-03T01:58:35 < upgrdman> ok
2012-11-03T01:58:50 < emeb> doesn't TI make a little compensated single-chip midrail chip?
2012-11-03T01:59:23 < Laurenceb> or you could use two resistors like a sane person
2012-11-03T01:59:28 < Laurenceb> or another opamp
2012-11-03T01:59:30 < Laurenceb> or the DAC
2012-11-03T01:59:40 < Laurenceb> or F3 provides it for you
2012-11-03T02:00:14 < emeb> true enough. The single-chip part is basically two resistors driving an op-amp buffer.
2012-11-03T02:00:35 < upgrdman> laurenceb, where in your repo? and it is called startup...s?
2012-11-03T02:01:21 < Laurenceb>  /lib
2012-11-03T02:01:51 < upgrdman> lib in which repo
2012-11-03T02:02:10 < Laurenceb> https://github.com/Laurenceb/STM32-Logger/tree/master/lib/CMSIS_CM3/startup/gcc
2012-11-03T02:02:12 < Laurenceb> there
2012-11-03T02:02:47 < upgrdman> ahh thanks
2012-11-03T02:03:13 < upgrdman> what art cl/hd/ld/md?
2012-11-03T02:03:32 < Laurenceb> the F1 range of devices
2012-11-03T02:03:48 < Laurenceb> connectivity, high, low,medium density
2012-11-03T02:03:52 < upgrdman> o
2012-11-03T02:05:10 < zyp> jpa-, I just came across EASTL when looking at custom allocator stuff http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2007/n2271.html
2012-11-03T02:05:20 < zyp> it seems to have some interesting improvements over STL for embedded use
2012-11-03T02:05:27 < zyp> what do you think?
2012-11-03T02:05:41 < upgrdman> i have an f100c6t68. datasheet is for "ld/md"... how do i find out which one?
2012-11-03T02:06:25 < zyp> upgrdman, your first 6 designates flash size
2012-11-03T02:07:38 < jpa-> zyp: i can't really say how it compares to uclibc++ or ustl
2012-11-03T02:08:07 < upgrdman> zyp, ? ok, but what does that mean in terms of ld/md
2012-11-03T02:08:27 < zyp> upgrdman, read the definition for what is ld and what is md
2012-11-03T02:08:42 < upgrdman> i'd love to. where's the def?
2012-11-03T02:08:52 < zyp> somewhere in the reference manual
2012-11-03T02:09:05 < upgrdman> ok
2012-11-03T02:09:42 < zyp> I think 6 is ld, I seem to recall that md starts at 8 (64k flash)
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2012-11-03T02:11:06 < zyp> jpa-, it seems to have some api changes to make it more suited for mmu-less platforms not too different from our
2012-11-03T02:12:34 < upgrdman> laurenceb, "startup_stm32f10x_ld.s:169: Error: junk at end of line, first unrecognized character is `0'" ... that line is just a zero. any ideas?
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2012-11-03T02:13:11 < upgrdman> :(
2012-11-03T02:13:15 < jpa-> zyp: seems to focus quite a lot on the memory allocators; there are many ways to solve that
2012-11-03T02:13:23 < jpa-> one quite non-intrusive way is to use per-thread heaps
2012-11-03T02:13:58 < zyp> well, I came across it when I was reading up on using custom allocators with STL
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2012-11-03T02:17:42 < zyp> I've been reading through it, and it seems to match my goals rather well
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2012-11-03T02:23:52 < zyp> I like that they added fixed size containers that doesn't depend on external allocators at all
2012-11-03T02:23:57 < zyp> so they are fully standalone
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2012-11-03T02:25:30 < dongs> 11:50 < flyback> http://www.urbandictionary.com/define.php?term=Canucked
2012-11-03T02:25:30 < dongs> 09:24 < flyback> upgrdman, http://www.urbandictionary.com/define.php?term=Canucked
2012-11-03T02:25:36 < dongs> do you have to repaste that link every 24 hours?
2012-11-03T02:26:18 < zyp> hmm, there is no complete published version of EASTL though
2012-11-03T02:36:46 < ds2>  /ignore is wonderful
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2012-11-03T02:53:11 < upgrdman> flyback, lol
2012-11-03T02:55:31 < upgrdman> just looked at the side of that page. there are soo damn many "words" that start with canuck. lol
2012-11-03T02:59:44 < dongs> zyp, haha http://www.iphonebacklight.com/2012/09/08/new-ipad-3-lcd-fpc-connector-new-ipad-3-lcd-fpc-connector/
2012-11-03T03:01:01 < zyp> heh
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2012-11-03T03:08:12 < dongs> http://www.servdigital.com/5305.html sent off an email to this place
2012-11-03T03:08:21 < dongs> but I bet hes gonna paranoia out and think im gonna steal his business
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2012-11-03T03:09:27 < zyp> heh
2012-11-03T03:10:14 < zyp> hmm, the ipad panels, do they come complete with the touch sensing?
2012-11-03T03:10:24 < dongs> no, digitizer is separate shit.
2012-11-03T03:10:55 < dongs> digitizer is like another 70 pins of shit
2012-11-03T03:12:37 < zyp> so they are actually separable
2012-11-03T03:12:44 < ds2> is the ipad2 and ipad1 the same panel?
2012-11-03T03:12:57 < dongs> no idea, its t oo low rez to care
2012-11-03T03:13:01 < dongs> 3 is the onyl useful panel
2012-11-03T03:13:21 < dongs> 1st & 2nd generation
2012-11-03T03:13:21 < dongs> 1024 × 768 px 132 PPI 4:3
2012-11-03T03:13:23 < dongs> looks like same yeah
2012-11-03T03:13:33 < dongs> 3rd generation
2012-11-03T03:13:33 < dongs> 2048×1536 px 264 PPI
2012-11-03T03:14:24 < zyp> they probably have several vendors for the same specs anyway, so even the same ipad model might have different panels
2012-11-03T03:15:30 < dongs> http://upload.wikimedia.org/wikipedia/en/timeline/571a0d4d4c751d052403511458f300c7.png raped apple fans
2012-11-03T03:16:21 < ds2> i wonder if the 3 panel is as picky about timings as the 2 panel
2012-11-03T03:16:27 < dongs> ???
2012-11-03T03:16:38 < dongs> 3 is displayport.
2012-11-03T03:16:49 < ds2> oh blah
2012-11-03T03:16:57 < dongs> so theres like almost nothing to do to get it to work
2012-11-03T03:17:11 < ds2> the 2 panel was picky about the timings
2012-11-03T03:17:43 < zyp> the 15" retina macbook panel sounds more interesting than the ipad 3 panel
2012-11-03T03:17:54 < dongs> zyp: sure, but once one works i can easily use the other one.
2012-11-03T03:18:07 < zyp> esp. when 10" panel lacks touch
2012-11-03T03:18:21 < dongs> i dont need touchscreen on my monitor
2012-11-03T03:18:22 < dongs> thanks.
2012-11-03T03:18:45 < dongs> http://www.ebay.com/itm/300781286267 wtf???
2012-11-03T03:18:47 < dongs> $1?
2012-11-03T03:19:00 < ds2> I like a touch screen on my monitor
2012-11-03T03:19:00 < zyp> 10" is pretty small for a monitor
2012-11-03T03:19:41 < ds2> netbook sized
2012-11-03T03:20:04 < dongs> too bad there isn't an easy way to go from lvds>eDP
2012-11-03T03:20:12 < dongs> or I'd fit that panel into my 10" laptop
2012-11-03T03:20:23 < dongs> http://panasonic.jp/pc/support/products/r9j/
2012-11-03T03:20:56 < dongs> plus there's prob not enough lvds lanes for 2048x anyway
2012-11-03T03:21:29 < zyp> I could probably fit the 13" retina panel into mine
2012-11-03T03:21:42 < zyp> should be a way to hook it up since it has DP out
2012-11-03T03:21:47 < ds2> do you have enough memory bandwidth to keep up?
2012-11-03T03:21:53 < zyp> but not worthe the effort
2012-11-03T03:22:28 < dongs> if 10" shit works ill get the  15" built into a case and replace 2 of my monitors
2012-11-03T03:30:32 < upgrdman> trying to write firmware to an stm32f1 i pulled off of a pcb, openocd gives these errors: Error: stm32x device protected     Error: failed erasing sectors 0 to 0    ... does that mean i can't even write new firmware to it? i don't want to read the existing firmware
2012-11-03T03:30:46 < dongs> you need to unlock it first
2012-11-03T03:30:50 < upgrdman> how
2012-11-03T03:30:50 < dongs> which will erase it
2012-11-03T03:30:59 < dongs> unsure, its a separate step in jlink tools
2012-11-03T03:31:06 < upgrdman> ok
2012-11-03T03:31:08 < dongs> duno if openocd supports it.
2012-11-03T03:31:11 < dongs> probably does
2012-11-03T03:32:00 < dongs> https://my.st.com/public/STe2ecommunities/mcu/Lists/cortex_mx_stm32/Flat.aspx?RootFolder=https%3a%2f%2fmy%2est%2ecom%2fpublic%2fSTe2ecommunities%2fmcu%2fLists%2fcortex_mx_stm32%2fFlash%20Programming%20Locked%20Out&FolderCTID=0x01200200770978C69A1141439FE559EB459D7580009C4E14902C3CDE46A77F0FFD06506F5B&currentviews=254
2012-11-03T03:32:11 < dongs> maybe you can use stlink utility and STVP to clear it out
2012-11-03T03:32:13 < dongs> (on windows0
2012-11-03T03:34:13 < upgrdman> looks like openocd can do it. reading their docs now
2012-11-03T03:36:05 < upgrdman> damn! "Error: Option bytes currently unsupported for stlink           stm32x failed to unlock device"
2012-11-03T03:36:20 < dongs> lol
2012-11-03T03:36:26 < dongs> sounds ilke real OS time
2012-11-03T03:36:42 < upgrdman> ?
2012-11-03T03:36:48 < dongs> windows? duh
2012-11-03T03:36:57 < upgrdman> i have an earm demo
2012-11-03T03:37:00 < upgrdman> ewarm
2012-11-03T03:37:05 < dongs> you dont need it
2012-11-03T03:37:07 < dongs> are you on windows actually?
2012-11-03T03:37:15 < upgrdman> only in a vm. i use linux
2012-11-03T03:37:23 < dongs> http://www.st.com/jp/evalboard/product/210568.jsp
2012-11-03T03:37:25 < dongs> download this
2012-11-03T03:37:27 < upgrdman> k
2012-11-03T03:38:34 < upgrdman> 82MB ... lol
2012-11-03T03:38:36 < dongs> ST Toolset including ST Visual Develop (STVD) 4.3.2 and ST Visual Programmer (STVP) 3.2.7 software releases
2012-11-03T03:38:39 < dongs> yeah
2012-11-03T03:38:42 < dongs> that'll install STVP stuff..
2012-11-03T03:38:48 < dongs> that should have an option to do chip erase.
2012-11-03T03:38:55 < dongs> or you can just reset ROP in option bytes
2012-11-03T03:38:58 < dongs> which should auto-clear it.
2012-11-03T03:39:08 < ds2> can't the DFU stuff do it
2012-11-03T03:39:09 < ds2> ?
2012-11-03T03:39:14 < dongs> no idea
2012-11-03T03:39:17 < dongs> i think hes on F1
2012-11-03T03:39:25 < ds2> serial DFU
2012-11-03T03:39:32 < dongs> dunno.
2012-11-03T03:39:58 < upgrdman> yes, f1
2012-11-03T03:48:14 < upgrdman> does the f1 not have gpio clocks? don't see any gpios in rcc
2012-11-03T03:49:04 < zyp> IOPx
2012-11-03T03:49:21 < zyp> they are confusingly not named GPIOx
2012-11-03T03:49:36 < dongs> huh?
2012-11-03T03:49:46 < dongs> must be another non-stdlib user
2012-11-03T03:50:01 < dongs> RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB | RCC_APB2Periph_GPIOC | RCC_APB2Periph_AFIO, ENABLE);
2012-11-03T03:50:06 < zyp> I'm talking about how they are named in the reference manual
2012-11-03T03:50:25 < dongs> rite.
2012-11-03T03:50:27 < zyp> it's not my fault ST can't have their reference manual agree with their code
2012-11-03T03:50:29 < zyp> :p
2012-11-03T03:50:41 < dongs> it sorta is since you work there!
2012-11-03T03:50:55 < zyp> pft
2012-11-03T03:55:11 < upgrdman> zyp works for stm?
2012-11-03T03:55:43 < zyp> no, I work for STE, which is partly owned by ST
2012-11-03T03:55:50 < upgrdman> e?
2012-11-03T03:55:54 < zyp> and I have nothing to do with stm32
2012-11-03T03:56:13 < zyp> ST-Ericsson
2012-11-03T03:56:21 < upgrdman> o. cool.
2012-11-03T03:56:44 < upgrdman> seems like stm docs suck. is that normal for stm stuff?
2012-11-03T03:56:49 < upgrdman> (no offense)
2012-11-03T03:59:11 < zyp> they contain some errors here and there, but overall they are not that bad
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2012-11-03T04:52:50 <+dekar> upgrdman, https://github.com/EliasOenal/TNT_Example
2012-11-03T04:53:11 <+dekar> has startup code for f1 and f4
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2012-11-03T05:33:07 < dongs> dings
2012-11-03T05:33:20 < dongs> k my guy in china is picking up jewpad3 panels
2012-11-03T06:00:39 <+dekar> americans :/
2012-11-03T06:01:09 <+dekar> I bought this multimeter on ebay for 100usd and then contacted the seller how much shipping to Germany was
2012-11-03T06:01:27 <+dekar> The auction showed international shipping but didn't mention a price
2012-11-03T06:01:47 <+dekar> eBay responded it was free (I guess he set it to that) and I paid via paypal
2012-11-03T06:01:55 < dongs> he can mail that shit in usps small flat rate box
2012-11-03T06:01:57 < dongs> for liek 16 bucks.
2012-11-03T06:02:15 < dongs> and thats trackable etc.
2012-11-03T06:02:19 < dongs> even less for regular airmail.
2012-11-03T06:02:21 <+dekar> The problem is, eBay states the transaction was done on my side
2012-11-03T06:02:55 <+dekar> If he had stated the correct price to begin with then I would have paid it
2012-11-03T06:03:06 < dongs> so whats he bitching about now?
2012-11-03T06:03:11 < dongs> doesnt wanna send it for free?
2012-11-03T06:03:15 <+dekar> Yeah
2012-11-03T06:08:37 < BrainDamage> the t-shirt you never dared to ask for: https://dx.com/p/fashion-gangnam-style-long-sleeves-t-shirt-white-size-l-164038
2012-11-03T06:09:01 < dongs> free shipping.
2012-11-03T06:09:45 <+dekar> dx has cloths?
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2012-11-03T06:09:56 < dongs> um
2012-11-03T06:09:58 < dongs> it has everything
2012-11-03T06:10:00 < dongs> even  dongs.
2012-11-03T06:10:14 <+dekar> *clothes
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2012-11-03T07:29:47 < emeb_mac> >crickets<
2012-11-03T07:30:45 < dongs> dongles
2012-11-03T07:30:53 < emeb_mac> dingles
2012-11-03T07:31:07 < emeb_mac> dingleberries
2012-11-03T07:31:08 < dongs> i think china fucked me over on these WS2811 chips
2012-11-03T07:31:18 < emeb_mac> hows that?
2012-11-03T07:31:24 < emeb_mac> bogus?
2012-11-03T07:31:31 < dongs> not sure, they claim to run off 5V
2012-11-03T07:31:45 < dongs> but if I do that, all they output is bright white
2012-11-03T07:31:56 < dongs> i even added level shifter for signal coming into them
2012-11-03T07:32:05 < dongs> since they were cmos or wahtever
2012-11-03T07:32:11 < dongs> so I have 5V VCC and 5V I/O going to them
2012-11-03T07:32:18 < dongs> but still unless I drop voltage exactly to 3.3
2012-11-03T07:32:20 < dongs> they just outptu white only.
2012-11-03T07:32:39 < emeb_mac> do they work again if you bring VDD back down to 3.3?
2012-11-03T07:37:42 < dongs> emeb_mac: yea
2012-11-03T07:37:53 < zippe> Huh.  "VNV Nation remixes Sinéad O'Connor" sounds like a train wreck.  Oddly, it works.
2012-11-03T07:38:02 < dongs> i mean if i power them up at 3.3.. works fine.. bringi t up.. white only... back down.. normal operation
2012-11-03T07:38:18 < emeb_mac> dongs: interesting. Not damaging, just failing.
2012-11-03T07:39:51 < zippe> http://www.youtube.com/watch?v=jZlpX8pGNsY
2012-11-03T07:42:21 < zippe> er, wut?
2012-11-03T07:42:28 < emeb_mac> put yer hands in the air!
2012-11-03T07:42:54 < zippe> Sorry, no idea what you're blathering on about.
2012-11-03T07:43:10 < zippe> You're not one of those rockists, are you?
2012-11-03T07:43:41 < zippe> Perhaps this is more your style>?
2012-11-03T07:43:42 < zippe> http://www.youtube.com/watch?v=0iRTB-FTMdk
2012-11-03T07:45:04 < emeb_mac> dongs: ws2811 data seems to say it should work fine on 5V (one I'm looking at says _only_ 5V)
2012-11-03T07:45:15 < emeb_mac> maybe you got a 3.3V only version?
2012-11-03T07:47:33 < emeb_mac> fighting trousers. hilarious!
2012-11-03T07:50:58 < zippe> flyback: maybe this will make you happy? http://www.youtube.com/watch?v=0OLWgrr671g
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2012-11-03T07:52:30 < emeb_mac> ELP. eh. never did much for me.
2012-11-03T07:53:34 < emeb_mac> how about http://www.youtube.com/watch?v=FnL38PaYiKg
2012-11-03T07:55:35 < zippe> Tasty.  Added to my "check out more" list.
2012-11-03T07:56:06 < zippe> Shades of America and Floyd, but much more restrained.
2012-11-03T07:56:29 < emeb_mac> Huh - never thought about it that way, but your right.
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2012-11-03T07:57:34 < zippe> http://www.youtube.com/watch?v=ANc-UZiro0Y&feature=related
2012-11-03T07:57:42 < zippe> Saw him live a couple years back now.
2012-11-03T07:58:01 < emeb_mac> Oh yeah - know him.
2012-11-03T07:58:09 < zippe> Girl broke my heart that night … so much pain.
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2012-11-03T08:00:08 < zippe> But the track is a perfect triple with http://www.youtube.com/watch?v=xErJ46rms2E and http://www.youtube.com/watch?v=3LY3ftiLqmE
2012-11-03T08:00:12 < dongs> < emeb_mac> dongs: ws2811 data seems to say it should work fine on 5V (one I'm looking at says _only_ 5V)
2012-11-03T08:00:15 < dongs> exactly
2012-11-03T08:03:44 < emeb_mac> zippe: yep - both good
2012-11-03T08:04:02 < dongs> emeb_mac: i scoped the shit
2012-11-03T08:04:05 < dongs> vcc and io
2012-11-03T08:04:11 < dongs> 5V = no workie
2012-11-03T08:04:16 < dongs> 3.3v excatly = works
2012-11-03T08:04:17 < dongs> fuckin weird.
2012-11-03T08:04:58 < emeb_mac> zippe: a little more upbeat: http://www.youtube.com/watch?v=PEYmEmpjhC8
2012-11-03T08:05:00 < dongs> bbl
2012-11-03T08:05:04 < emeb_mac> l8rs
2012-11-03T08:13:53 < zippe> emeb_mac: heh, Iris. The number of times that Annie would I lie to you? has cost me the second half of whatever I was drinking…8)
2012-11-03T08:15:15 < emeb_mac> heh. strangely I don't know that one well.
2012-11-03T08:15:35 < emeb_mac> Just noticed Iris is playing here tomorrow night.
2012-11-03T08:15:37 < zippe> emeb_mac: You may be more pop-Iris, rather than goth-Iris?
2012-11-03T08:15:55 < zippe> s/goth/synthpop/ or w/e
2012-11-03T08:16:06 < emeb_mac> zippe: I didn't start listening to them until a couple years ago.
2012-11-03T08:16:14 < zippe> Delerium perhaps? http://www.youtube.com/watch?v=1gMxKBLftq4
2012-11-03T08:16:19 < emeb_mac> oh yeah.
2012-11-03T08:17:02 < zippe> But if we're going to go upbeat, let's dodge Blümchen and try Scooter? http://www.youtube.com/watch?v=tHOgkgnZAdc
2012-11-03T08:18:37 < emeb_mac> soccer trance!
2012-11-03T08:18:52 < emeb_mac> with rap!
2012-11-03T08:19:14 < emeb_mac> just needs vuvuzelas...
2012-11-03T08:19:29 < zippe> Scooter are so bad they're hilarious
2012-11-03T08:20:53 < zippe> I'm still trying to get a rise out of flyback.  Maybe we need to go east? http://www.youtube.com/watch?v=ZrQA-w8s-uc&feature=related
2012-11-03T08:25:08 < zippe> Sorry, having seen SRL in person, that's not very interesting...
2012-11-03T08:26:37 < zippe> Incomprehensible cooking music? http://www.youtube.com/watch?v=JZ4Q9_bDwLY
2012-11-03T08:27:00 < zippe> (actually, for Neuküchen that's actually pretty melodic)
2012-11-03T08:29:56 < emeb_mac> ok - if we're trying to be obnoxious: http://www.youtube.com/watch?v=WSeNSzJ2-Jw
2012-11-03T08:30:57 < emeb_mac> not that I'm saying Neubauten is obnoxious mind you...
2012-11-03T08:31:42 < zippe> ouch.  That's actually mostly just obnoxious because it gets waaaaaay too much airplay
2012-11-03T08:32:02 < emeb_mac> luckily I don't listen to those stations.
2012-11-03T08:32:20 < zippe> When I'm between anything better, it's what I get from Sirius
2012-11-03T08:32:45 < zippe> Mostly though I can get technobase.fm over LTE in the car
2012-11-03T08:33:34 < emeb_mac> ok - back to the 90s: http://www.youtube.com/watch?v=uKH83EsB2NE
2012-11-03T08:37:40 < zippe> Nice. 8)
2012-11-03T08:38:29 < emeb_mac> I know that guy.
2012-11-03T08:40:28 < zippe> I used to have the guitar solo from this track as a ringtone… http://www.youtube.com/watch?v=pWR5n-ZT4xI&feature=related
2012-11-03T08:40:52 < zippe> Surf rock completely passed me by, which is ironic given I grew up on the beach.
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2012-11-03T08:41:50 < emeb_mac> guy looks like he's trying to do a Iggy Pop impersonation.
2012-11-03T08:44:21 < emeb_mac> sounds fairly contemporary - if it didn't say '78 on it you might think it's newer.
2012-11-03T08:44:48 < emeb_mac> in an industrial vein: http://www.youtube.com/watch?v=vimB_mkZrS8
2012-11-03T08:48:58 < zippe> And in return: http://www.youtube.com/watch?v=7E00oen-dtk&feature=related
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2012-11-03T10:06:56 < dongs> attn zyp http://i.imgur.com/wFxqs.jpg
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2012-11-03T11:10:40 < baird> Somewhere out there, there's a Raspberry Pi owner whose desktop background will change to a random 4chan image every so often..
2012-11-03T11:16:28 < baird> And people who bring their bored kids to 'hackerspaces' need to be doubly-shot. "DAAADDY! ... DAAADDY! ... DAAADDY! ... DAAADDY! ... DAAADDY! ... DAAADDY! ... DAAADDY!"
2012-11-03T11:17:59 < dongs> http://populationgo.com/post/34858811262/russian-teen-commits-suicide-after-death-of-naruto attn baird
2012-11-03T11:18:29 < dongs> anniemay. srs biz
2012-11-03T11:21:05 < baird> There's also a Web2.0+ Internets Investment Startupator that'll hopefully register the @FelchingZone twitter account that was added to their whiteboard planning items..
2012-11-03T11:21:25 < baird> (forgot to take a photo..)
2012-11-03T11:22:40 < dongs> sounds like you fully enjoyed your hackerspace visit
2012-11-03T11:22:47 < dongs> did they have a raspberripi seminear?R
2012-11-03T11:22:55 < baird> Everyone bitched that /I/ was too cynical! :D
2012-11-03T11:25:21 < baird> Okay-enough 'studio' office for doing that sort of thing in, I suppose, but there was no parking near the place, so all but one person either trained or bused it in, so there wasn't really much brought in for show-and-tell.
2012-11-03T11:29:29 < baird> And /everyone/ was over the age of 35... (except for the annoying bored kid). I suspected as much.
2012-11-03T11:29:40 < dongs> duh
2012-11-03T11:29:47 < dongs> was tehre any girls?
2012-11-03T11:29:48 < dongs> guessing: no
2012-11-03T11:30:15 < baird> the beforementioned loli
2012-11-03T11:31:37 < baird> I also now now who the people are who buy shit from Adafruit.
2012-11-03T11:33:51 < baird> *now know
2012-11-03T11:33:59 < baird> office setup: http://i.imgur.com/QVlyp.jpg
2012-11-03T11:38:50 < dongs> hey, aoyue station
2012-11-03T11:40:53 < baird> Unfortunately no supply of 4Gbit RAM chips, so didn't get into the memory upgrades.
2012-11-03T11:41:28 < dongs> baird, what do you think of my current proj of making jewpad3 LCD run off regular desktop pc
2012-11-03T11:42:11 < baird> I knows nothings of this jewpad3 LCD
2012-11-03T11:42:32 < baird> Wait, the link last night.
2012-11-03T11:42:45 < baird> Those are 1024x768?
2012-11-03T11:42:50 < dongs> no, 2048x1536.
2012-11-03T11:42:53 < dongs> in 9.7".
2012-11-03T11:42:59 < dongs> i wouldnt waste my time over 1024x768 shit.
2012-11-03T11:43:22 < baird> What was the hardware interface? It wasn't LDVS?
2012-11-03T11:43:26 < dongs> no.
2012-11-03T11:43:32 < dongs> its internal version of displayporty
2012-11-03T11:43:34 < dongs> port
2012-11-03T11:43:37 < dongs> which is basically just different pinout.
2012-11-03T11:43:50 < dongs> you can directly 1:1 connect it to wires on standard displayport connector and provide some power, and y oure done.
2012-11-03T11:44:03 < baird> The touchscreen bits?
2012-11-03T11:44:10 < dongs> not relevant
2012-11-03T11:44:16 < dongs> im making a normal monitor, not a wankpad
2012-11-03T11:44:40 < dongs> touchscreen bits are separate, they're liek $1 on ebay, but come with some retarded 70pin fpc cable and i dont carea bout them.
2012-11-03T11:47:16 < baird> Ah, finally found the link. It's $60?
2012-11-03T11:47:26 < dongs> the panel is.
2012-11-03T11:47:51 < dongs> ill just make a pcb that does DP>fpc connector
2012-11-03T11:48:00 < dongs> and i guess it needs like 16V for backlight
2012-11-03T11:48:06 < dongs> and 3.3V for TFT/logic
2012-11-03T11:51:18 < baird> I don't have anything here using display port. Maybe as some kind of thin-client or slave peripheral?
2012-11-03T11:51:37 < dongs> well, any modern video card has at least one dp port.
2012-11-03T11:51:45 < dongs> most are usually w ired up so they can do HDMI with passive adapter
2012-11-03T11:53:40 <+dekar_> dongs, why not the google nexus 10 display?
2012-11-03T11:57:14 < baird> So the panel actually takes straight dp?  But you would need a TDMS to LVDS conversion for it to take a HDMI output signal.. (I gather)
2012-11-03T11:59:35 < baird> I'd be looking at it for an X Terminal.
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2012-11-03T12:00:55 < baird> (Bung onto an RPi..)
2012-11-03T12:01:22 <+Steffanx> nu
2012-11-03T12:05:44 < dongs> baird: yeah, DP. so you'd need something like http://intrl.startech.com/AV/Displayport-Converters/DisplayPort-to-HDMI-Cable-Adapter-Converter~DP2HDMI
2012-11-03T12:05:53 < dongs> ugh
2012-11-03T12:05:56 < dongs> never mind that shit is the other way
2012-11-03T12:07:17 < dongs> http://www.jaycar.com.au/productView.asp?ID=AC1621
2012-11-03T12:07:18 < dongs> thats more like it
2012-11-03T12:07:49 < dongs> not gonna be $9.99 thoug
2012-11-03T12:09:10 < baird> Jaycar are the Consumer Chain Store thing, so not really where you'd go for bits unless you're desperate.
2012-11-03T12:19:18 < baird> The small size of the panel would be a practical limit on things, imho. A 10" screen needs to be something near to your face, which on a typical desktop setup would make it close and above the keyboard.
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2012-11-03T12:30:51 < dongs> hm ,fuck., that hdmi>dp is only 1920x1200 max too,.
2012-11-03T12:30:55 < dongs> thats 2 dp lanes
2012-11-03T12:31:03 < dongs> needs 4 for 2048x
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2012-11-03T12:38:05 < baird> I wonder if the Curiousity Rover could do night sky imagery. (Not that the stars would be that much different than on Earth..)
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2012-11-03T12:41:04 < dongs> apparently 4 lane hdmi>dp converters aren't exactly easy to find
2012-11-03T12:41:29 <+Steffanx> They like to make it hard for you dongs
2012-11-03T12:43:39 < dongs> http://www.amazon.com/AT-HD620-Mini-displayport-mdp-To-Stereo-Scaler-Switch/dp/B003WT9SY0 haha
2012-11-03T12:43:58 <+Steffanx> Whaat.. @ price
2012-11-03T12:44:24 < dongs> looks like i might have to make a cheap hdmi>dp adapter board as well.
2012-11-03T12:44:49 < dongs> we got some hdmi receiver chips here that are used in capture cards, but ill hae to see if there some  dp encoder chip I can blag out
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2012-11-03T12:48:37 <+Steffanx> Are you sure it'll be a real adapter and not some "Last Measure-ish" crap dongs? :P
2012-11-03T12:49:14 < dongs> http://www.paradetech.com/wp-content/uploads/2009/06/dp501_leaflet_20070301.pdf
2012-11-03T12:49:26 < dongs> looks like this and any HDMI receiver and maybe some AVR to control the two should do the trick
2012-11-03T12:50:47 <+Steffanx> Good luck with finding an actually supplier for that chip
2012-11-03T12:50:56 < dongs> no problem
2012-11-03T12:52:50 < dongs> http://www.st.com/internet/imag_video/product/223339.jsp ^_^
2012-11-03T12:56:06 <+Steffanx> You like BGA?
2012-11-03T12:56:41 <+Steffanx> Oh nvm, you have access to all the fancy stuff
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2012-11-03T13:12:41 <+dekar_> dongs, make sure not to buy LG panels though
2012-11-03T13:12:46 -!- claude is now known as Claude
2012-11-03T13:12:49 <+dekar_> I think I heard some ipads use those
2012-11-03T13:13:30 <+dekar_> LG IPS panels tend to have bad ghosting (burn in like effect)
2012-11-03T13:16:43 < baird> How large do i2c LCD panels get?
2012-11-03T13:19:06 <+dekar_> like in character displays?
2012-11-03T13:19:27 <+dekar_> i2c is a ted slow for displays
2012-11-03T13:20:31 < qyx_> i had 128x32
2012-11-03T13:21:29 < dongs> dekar_: shrug. besides isnt LG the only manufacturer for these?
2012-11-03T13:22:33 <+dekar_> dongs, in that case, hf with artifacts like that: https://dl.dropbox.com/u/28467113/x220_burn_in.jpg
2012-11-03T13:22:48 < dongs> what is a "x220"?
2012-11-03T13:22:51 < dongs> these are jewpad3 panels.
2012-11-03T13:22:51 < dongs> i'
2012-11-03T13:22:59 < dongs> m sure if tehre was burnin, apple faggots would sream
2012-11-03T13:23:00 < dongs> scream
2012-11-03T13:23:04 <+dekar_> some lenovo laptop
2012-11-03T13:23:11 < dongs> right, how is that relevant
2012-11-03T13:23:18 <+dekar_> yeah they do screm, all retina macbooks with LG IPS panels had ghosting
2012-11-03T13:23:50 < dongs> http://www.extremetech.com/computing/134985-apples-new-retina-display-dogged-by-image-retention-increasingly-unhappy-users
2012-11-03T13:23:53 < dongs> loll
2012-11-03T13:24:19 <+dekar_> dongs, http://www.youtube.com/watch?v=K0s41MPR91I
2012-11-03T13:24:47 <+dekar_> I haven't seen any LG IPS panel without those issues so far
2012-11-03T13:25:05 <+dekar_> ipad seems to be affected as well
2012-11-03T13:26:31 <+Steffanx> ipad 1...
2012-11-03T13:27:26 <+dekar_> ipad 2 ghosting: http://www.youtube.com/watch?v=NlyVNk2W7ns
2012-11-03T13:27:50 < dongs> wehre's jewpad 3 ghosting
2012-11-03T13:28:24 < dongs> see none for jewpad3, problem solved
2012-11-03T13:28:28 < dongs> goin to sleep, bbl
2012-11-03T13:28:38 <+Steffanx> Whoa, you're going to bed early
2012-11-03T13:28:59 <+Steffanx> Half past 9 in the evening.. *sick*
2012-11-03T13:29:46 <+dekar_> dongs, http://forums.anandtech.com/showpost.php?p=33158880&postcount=106
2012-11-03T13:29:56 <+dekar_> seems to have ghosting as well, less than ipad2 though
2012-11-03T13:31:27 <+dekar_> https://discussions.apple.com/thread/4075606?start=0&tstart=0
2012-11-03T13:33:11 <+dekar_> dongs, unsolved your problem :)
2012-11-03T13:34:18 <+Steffanx> Hmm, dongs isn't a real computer addict. He leaves when he says he leaves, addicts don't do that :P
2012-11-03T13:35:45 < baird> It's like only 8:30pm in Nipland..
2012-11-03T13:36:46 <+dekar_> that guy I bought the multimeter from gave in and ships it for free :)
2012-11-03T13:36:51 <+dekar_> http://www.ebay.de/itm/121007857540?orig_cvip=true
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2012-11-03T14:01:05 <+Steffanx> uh dekar_ ?
2012-11-03T14:02:23 <+Steffanx> How ebay does this? http://offer.ebay.de/ws/eBayISAPI.dll?ViewBids&_trksid=p4340.l2565&rt=nc&item=121007857540 03:36:37 vs 03:36:43 ?
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2012-11-03T14:04:14 <+Steffanx> and than back to around two and back 3:30
2012-11-03T14:11:53 <+dekar_> Steffanx, he bid after me, yet my bid was higher
2012-11-03T14:12:17 <+Steffanx> You can plaec a bid that's lower than the current one?
2012-11-03T14:12:28 <+dekar_> *my maximum bid was higher
2012-11-03T14:12:58 <+Steffanx> The end of the world is near. Mr. lunix goes KDE: https://plus.google.com/u/0/+LinusTorvalds/posts/DbmEE8kXLDA
2012-11-03T14:14:05 < BrainDamage> he always hated gnome
2012-11-03T14:14:18 <+Steffanx> He hates everything but lunix
2012-11-03T14:15:10 < baird> 1995 just called: http://labsupply.com.au/
2012-11-03T14:15:15 <+dekar_> he likes his macbook air
2012-11-03T14:15:23 <+Steffanx> I bet baird has some nice stories about mr lunix
2012-11-03T14:16:05 <+Steffanx> Haha, generated by Adobe GoLive 4 .. which was released in 1999 baird
2012-11-03T14:16:29 < baird> Like how he did a rabid anti-GPL rave at USENIX95... and shortly after when Internets and Linux made the mainstream news, he was like "omg GPL what makes Linux so great!"
2012-11-03T14:17:02 <+Steffanx> Yeah, stuff like that baird. You're our man when it comes to stories about the great heros of the IT
2012-11-03T14:19:02 <+dekar_> I like how he killed that fat long filename patent with prior art (some random usenet post as well)
2012-11-03T14:22:10 < baird> I'm surprised that stuff like the RZMP (CP/M replacement) filesystem hacks weren't relevant.
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2012-11-03T15:52:50 < Laurenceb> hi
2012-11-03T15:52:54 < zyp> hi
2012-11-03T15:53:23 <+Steffanx> lo
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2012-11-03T15:54:53 <+Steffanx> lo
2012-11-03T15:55:44 < Laurenceb> where did he come from
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2012-11-03T17:22:42 < Laurenceb> W3'v3 updat3d y0ur N00K Tabl3t w1th 1mpr0v3m3nt$ 1n p3rf0rmanc3, $tab1l1ty and W1-F1 c0nn3ct1v1ty
2012-11-03T17:27:57 <+Steffanx> C0ngr4TU14TI0N5
2012-11-03T17:38:26 < emeb_mac> amazing how readable that is. Neural networks FTW.
2012-11-03T17:41:19 -!- Claude is now known as claude
2012-11-03T17:41:38 <+Steffanx> Yeah, the human brain can do unbelievable things.
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2012-11-03T18:10:17 < jpa-> yay, dso quad bios patch works; now it no longer corrupts the file system :D
2012-11-03T18:11:17 < jpa-> the chinese dudes put a huge 2MB flash drive in there, it's so huge that they never expected anyone to remove files.. and even less that removing files could lead to.. gasp.. fragmentation
2012-11-03T18:11:39 < jpa-> so they simply write over everything when appending to a file :D
2012-11-03T18:22:53 < emeb_mac> so this is a custom flash filesystem?
2012-11-03T18:24:06 < jpa-> no
2012-11-03T18:24:17 < jpa-> plain old FAT12 reinvented
2012-11-03T18:24:31 < jpa-> apparently they are too cool for elm-chan fatfs
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2012-11-03T21:47:08 < Laurenceb> http://www.youtube.com/watch?v=ut5DXxK1dvk&feature=player_embedded
2012-11-03T21:47:10 < Laurenceb> rofl
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2012-11-03T21:57:46 <+Steffanx> Blaxter ratio --
2012-11-03T21:58:33 <+Steffanx> lol @ that guy Laurenceb
2012-11-03T22:02:09 <+Steffanx> Did they guy burn his house down yet?
2012-11-03T22:04:24 <+Steffanx> Are they trolling the neighbours around  5:30 ?
2012-11-03T22:05:56 < Laurenceb> i think they trolled the entire neighbourhood
2012-11-03T22:06:03 < Laurenceb> by blowing their power
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2012-11-03T22:52:19 < upgrdman> i made my first non-trivial pcb, and it has an stm32f100c6t68 on it. i can flash it just fine, but it doesnt seem to be doing anything. if i run gdb, gdb works but whever you stop execution with ctrl-c it just shows a memory address, instead of a C or assembly function name. any idea whats wrong?
2012-11-03T22:53:47 < upgrdman> "0x0302f2c4 in ?? ()" and "0x0101f042 in ?? ()" are the only two addresses it seems to be at when i ctrl-c.
2012-11-03T22:59:24 < zyp> which debugger are you using
2012-11-03T23:04:23 < upgrdman> gdb
2012-11-03T23:04:36 < upgrdman> arm-none-eabi-gdb from gcc-arm-embedded
2012-11-03T23:05:18 < upgrdman> i've use the same compiler and debugger with the f4 and d0 discovery boards and it worked as expected.
2012-11-03T23:05:23 < zyp> I mean, which debugger hardware?
2012-11-03T23:05:35 < upgrdman> the stlinkv2 on the f4discov board
2012-11-03T23:06:11 < zyp> did you hook up reset?
2012-11-03T23:06:15 < upgrdman> yes
2012-11-03T23:06:36 < upgrdman> wouldn't it be unable to flash without reset?
2012-11-03T23:07:19 < zyp> well, is it properly flashed?
2012-11-03T23:07:33 < upgrdman> as far as i can tell. openocd gives to errors
2012-11-03T23:08:13 < zyp> try running compare-sections in gdb
2012-11-03T23:08:37 < Laurenceb> zyp: do you need to do that on F4discovery?
2012-11-03T23:08:45 < Laurenceb> i just press reset by hand
2012-11-03T23:08:46 < zyp> do what?
2012-11-03T23:08:50 < Laurenceb> hook up reset
2012-11-03T23:09:10 < zyp> no idea, I'm not using stlink anymore
2012-11-03T23:09:12 < upgrdman> laurenceb, im only use the f4 board for its stlinkv2
2012-11-03T23:09:32 < upgrdman> (gdb) compare-sections
2012-11-03T23:09:32 < upgrdman> remote target does not support this operation
2012-11-03T23:10:18 < zyp> heh
2012-11-03T23:10:22 < upgrdman> oh shit. i think i might know my problem
2012-11-03T23:10:46 < upgrdman> my rst line is just hooked up to the SWD pin... no pull-up or pull-down. it might be floating
2012-11-03T23:11:27 < zyp> it has internal pullup, should be fine
2012-11-03T23:12:16 < upgrdman> o ok
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2012-11-03T23:15:39 < upgrdman> so with no c/asm function name or line number, would that indicate the mcu is never even getting to the startup code?
2012-11-03T23:21:20 < emeb_mac> you did compile with -g, right?
2012-11-03T23:23:47 < upgrdman> yes
2012-11-03T23:25:43 < upgrdman> looking back, i think i might have a wrong linker script. the one i found is supposedly for stm32f100xB parts... my is a 100c6
2012-11-03T23:34:52 < zyp> upgrdman, 0x0302f2c4 and 0x0101f042 are not valid addresses, so it's expected that gdb can't resolve it to function/file name
2012-11-03T23:35:04 < upgrdman> ok
2012-11-03T23:35:16 < zyp> stm32 have nothing located at those
2012-11-03T23:35:42 < upgrdman> i don't know what to do :(
2012-11-03T23:35:57 < zyp> and even if you try executing those, the cpu should just hardfault or lockup
2012-11-03T23:36:11 < zyp> so your debugger doesn't seem to be sane
2012-11-03T23:36:47 < zyp> and there is no point trying to debug the problem when you can't even trust your debugger
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2012-11-03T23:51:13 < upgrdman> ok, i think i found part of my problem. im using the f4discov board only for the stlinkv2. i removed the two jumpers on the right to disconnect the stlinkv2 from the f4 at the very beginning. it seemed to flash my f1 correctly, and i even unlocked the f1 with stm's STVT tool. BUT on a whim i just removed the Idd jumper from the f4 board, and now i can't flash the f1. openocd says "Error: timed out while waiting for target halted" ... so maybe
2012-11-03T23:51:14 < upgrdman> when the stlinkv2 thought it had halted the f1 it actually halted the f4.
2012-11-03T23:52:23 < upgrdman> time to grab the dmm and check continuity from the stlinkv2 RST pin to pin7 of the LQFP48 f1.
2012-11-03T23:52:59 < zyp> when you remove the Idd jumper, you remove the source for the reset pullup, which you can't disconnect from the F4
2012-11-03T23:53:24 < upgrdman> but wouldn't the f1 have it?
2012-11-03T23:54:16 < zyp> try disconnecting the reset between the discovery board and your board, and try again
2012-11-03T23:54:32 < upgrdman> with or without the Idd jumper
2012-11-03T23:54:49 < zyp> without
2012-11-03T23:55:37 < upgrdman> Error: timed out while waiting for target halted
2012-11-03T23:55:48 < zyp> ok, try with
2012-11-03T23:56:40 < upgrdman> same error
2012-11-03T23:57:01 < upgrdman> ok, so the f1 reset is working
2012-11-03T23:58:14 < upgrdman> just notice: if i flash within a few seconds of plugging in the usb cable it works, after a few seconds i get errors:
2012-11-03T23:58:36 < upgrdman> Error: timed out while waiting for target halted             target state: halted             target halted due to debug-request, current mode: Handler HardFault              xPSR: 0x01000003 pc: 0xfffffffe msp: 0x5380f42c
2012-11-03T23:58:47 < upgrdman> hardfault :(
2012-11-03T23:59:11 < zyp> there you have lockup
2012-11-03T23:59:15 < upgrdman> yup
2012-11-03T23:59:17 < zyp> that looks more sane
2012-11-03T23:59:45 < upgrdman> since its at hardfault, shouldnt gdb show a function name or at a pointer to it?
2012-11-03T23:59:52 < jpa-> upgrdman: if you remove the Idd jumper, the RST pin will always be down
2012-11-03T23:59:56 < upgrdman> ok
--- Day changed Sun Nov 04 2012
2012-11-04T00:00:17 < zyp> upgrdman, it's not at hardfault, it's at lockup
2012-11-04T00:00:30 < zyp> 0xfffffffe is lockup
2012-11-04T00:00:37 < jpa-> upgrdman: because the protection diodes from NRST on the F4 go to it's Vdd, which is down
2012-11-04T00:00:46 < upgrdman> ok
2012-11-04T00:02:08 < upgrdman> zyp, would "run" with a breakpoint at the first line of the startup code make it possible to debug this?
2012-11-04T00:02:26 < zyp> not if you never get there
2012-11-04T00:02:50 < zyp> I suggest trying to dump the vector table: x/32wx 0x8000000
2012-11-04T00:03:01 < zyp> do they look sane?
2012-11-04T00:03:59 < upgrdman> they're all 0xffffffff
2012-11-04T00:04:13 < zyp> right
2012-11-04T00:04:24 < zyp> that means your flash is empty
2012-11-04T00:04:26 < upgrdman> linker problem?
2012-11-04T00:04:35 < jpa-> flashing problem
2012-11-04T00:04:41 < zyp> unprogrammed flash is all ones
2012-11-04T00:05:01 < zyp> so it looks like flashing never started
2012-11-04T00:05:10 < upgrdman> o ok
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2012-11-04T01:28:14 < dongs> everyone at google is a fucking stoner. http://www.google.com/nexus/4/ every screenshot of phone UI shows 4:20
2012-11-04T01:29:26 <+Steffanx> And you care because ….. dongs?
2012-11-04T01:31:39 < dongs> dunno
2012-11-04T01:31:43 < dongs> but getting 11 hours of sleep was awesome.
2012-11-04T01:34:32 <+Steffanx> So now you can work on you ipad stuff 48 hours?
2012-11-04T01:34:46 <+Steffanx> maybe 72
2012-11-04T01:36:16 < dongs> there's nothing t o work on :)
2012-11-04T01:36:22 < dongs> waiting for  connectors/panels next week.
2012-11-04T01:37:46 < dongs> my CNC cutting dude said his shit should be able to mill 3mm aluminum plates
2012-11-04T01:37:55 < dongs> so I got the monitor case material figured out.
2012-11-04T01:39:14 < dongs> Plus some funky statements from Apple specialists I got at the store, like hey if it's just 2-3 pixels dead pixels, that's still Ok. At this price point? Really!? I can't believe it's hard to wipe the screen free of dust. Every single one of them had dust stuck between filter / glass sheets
2012-11-04T01:39:19 < dongs> haha
2012-11-04T01:43:52 <+Steffanx> Yeah, I wouldn't accept dead pixel for a 500$ device
2012-11-04T01:47:36 <+Steffanx> *pixels
2012-11-04T01:50:17 < dongs> try $2500 device
2012-11-04T01:50:25 < dongs> that's bitching about fagbook pro
2012-11-04T01:52:23 <+Steffanx> I won't say i actually have a device like that
2012-11-04T01:52:43 <+Steffanx> ( it wasn't 2500$ though )
2012-11-04T01:54:57 < zyp> dicking around with lpc4300 board again, I should probably finish it up now
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2012-11-04T01:55:45 < TitanMKD> hi
2012-11-04T01:55:47 <+Steffanx> You have to use other body parts to finish something like that zyp
2012-11-04T01:55:51 <+Steffanx> lo
2012-11-04T01:55:55 < zyp> heh
2012-11-04T01:56:27 < TitanMKD> does anyone know very fast matrix transpose for 32bits * 16 value (optimized for M4) ?
2012-11-04T01:56:59 < TitanMKD> the idea is to do the matrix transpose in less than 512cycles ;)
2012-11-04T01:57:31 < zyp> do you even need to? transpose is just shuffling data around
2012-11-04T01:58:33 < qyx_> it should definitely be under 512 cycles
2012-11-04T01:58:51 < TitanMKD> i need transpose on block of 32bits in fact for 16 values max (but also for 32bits * 8 values ...)
2012-11-04T01:59:15 < TitanMKD> the idea is even to use M4F with floating point to help ;)
2012-11-04T01:59:30 < dongs> maybe some simd shit.
2012-11-04T01:59:38 < zyp> no simd needed
2012-11-04T01:59:42 < TitanMKD> as by default there is not enough ARM register to do it
2012-11-04T01:59:53 < zyp> wat
2012-11-04T01:59:57 < qyx_> huh
2012-11-04T02:00:08 < TitanMKD> yes i will like to avoid memory access ;)
2012-11-04T02:00:10 < qyx_> 4x4 matrix of 32bit type?
2012-11-04T02:00:14 < zyp> a 4x4 matrix transpose is just six swaps
2012-11-04T02:00:24 < zyp> each swap only needs two working registers
2012-11-04T02:00:40 < TitanMKD> here it's not really 4*4 it's not even square as it is 32bits  * 16
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2012-11-04T02:00:59 < zyp> oh, you mean bit transpose
2012-11-04T02:01:04 < TitanMKD> yes bit transpose
2012-11-04T02:01:09 < qyx_> o\
2012-11-04T02:01:32 < TitanMKD> it's a bit harder but i'm sure there's some hint on M4F ;)
2012-11-04T02:01:48 < TitanMKD> especially with simd available on M4(F)
2012-11-04T02:01:50 < qyx_> and how is bit transpose connected with floating point?
2012-11-04T02:02:02 < qyx_> ah, nvm
2012-11-04T02:02:13 < TitanMKD> qyx_ there is not connection it is just float reg can help sometimes
2012-11-04T02:02:19 < zyp> using the fpu sounds like a waste
2012-11-04T02:02:40 < zyp> I'm pretty sure you'll spend more time moving the data to/from the fpu than just reading them from ram
2012-11-04T02:02:54 < qyx_> depends on actual way of storing data it shlould be doable using some fancy bit shifting
2012-11-04T02:03:25 < TitanMKD> just let keep only gpr
2012-11-04T02:03:37 < TitanMKD> if you have a good / fast solution ;)
2012-11-04T02:04:09 < TitanMKD> of course neon is not available only M4 instruction set
2012-11-04T02:08:17 < TitanMKD> it's just like a fast 90 degrees rotation in fact
2012-11-04T02:08:41 < zyp> yes
2012-11-04T02:08:58 < zyp> I've been thinking about it before, as I have a use case for it myself
2012-11-04T02:11:45 < TitanMKD> in fact the funny stuff is it's absolutely not for 2D GFX ;)
2012-11-04T02:12:52 < zyp> well, I'm not sure why it would be, but ok
2012-11-04T02:12:58 < zyp> what is your use case?
2012-11-04T02:13:12 < TitanMKD> for a special logic analyzer
2012-11-04T02:13:35 < TitanMKD> which retrieve each channel in 321bits
2012-11-04T02:13:38 < TitanMKD> 32bits
2012-11-04T02:13:49 < TitanMKD> and i need to output 32bits of chan 0 to 32 ;)
2012-11-04T02:14:06 < TitanMKD> or if you prefer chan 0 to 15 for 16channel
2012-11-04T02:14:28 < zyp> ah, right
2012-11-04T02:14:31 < TitanMKD> so it's exactly a 90 degrees rotation or a matrix transpose on bits
2012-11-04T02:14:45 < zyp> it sounds like the opposite of my case
2012-11-04T02:14:59 < TitanMKD> maybe the best is also to do that in realtime on PC side ;)
2012-11-04T02:15:23 < zyp> in my case I want to get a set of bytes, and then first pack all the LSB into a word, then all the second bits, then third and so on
2012-11-04T02:15:24 < TitanMKD> but it will be great to do that on the ARM M4 side
2012-11-04T02:15:47 < TitanMKD> yes it's the reverse of me ;)
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2012-11-04T02:16:04 < TitanMKD> you will just need SGPIO for that ;)
2012-11-04T02:16:22 < TitanMKD> as it is a hw parallel -> serializer
2012-11-04T02:16:49 < zyp> no.
2012-11-04T02:17:33 < TitanMKD> anyway i'm sure with some magic numbers it can be done very quickly
2012-11-04T02:17:41 < TitanMKD> using some xor
2012-11-04T02:18:26 < TitanMKD> like we can see in bit twiddling hacks
2012-11-04T02:20:09 < jpa-> google gives several solutions
2012-11-04T02:20:21 < TitanMKD> jpa- ha ?
2012-11-04T02:20:42 < jpa-> google "bit transpose"
2012-11-04T02:21:10 < dongs> TitanMKD: maybe if you store your shit in CCM it'll be faster to access.
2012-11-04T02:21:56 < TitanMKD> anyway the best for me will be maybe a partial precomputed table ;)
2012-11-04T02:22:13 < TitanMKD> the problem is the size 32bits ...
2012-11-04T02:22:49 < jpa-> 32 bits is a huge table
2012-11-04T02:22:53 < TitanMKD> but i will change it to 8bits ;)
2012-11-04T02:23:07 < jpa-> rbit, rev, rev16 will probably get you far
2012-11-04T02:24:58 < TitanMKD> in fact the solution is more with something like interleave bits
2012-11-04T02:25:12 < jpa-> hm, yeah
2012-11-04T02:25:28 < TitanMKD> but not with 2bits with more
2012-11-04T02:25:37 < TitanMKD> with a morton table it will be a must ;)
2012-11-04T02:29:33 < dongs> getting a displayport source IC might not be as easy. most GPUs etc have the transmitter integrated. hmm
2012-11-04T02:30:08 < dongs> http://www.ite.com.tw/en/products_more.aspx?CategoryID=1&ID=2,87 this might work.
2012-11-04T02:30:36 < dongs> HDMI receivers I got are ITE also
2012-11-04T02:31:17 < dongs> IT6604
2012-11-04T02:35:02 < dongs> can HDMI even do 2048x1536?
2012-11-04T02:35:10 < qyx_> can
2012-11-04T02:36:17 < dongs> http://i.imgur.com/YQmIs.png
2012-11-04T02:36:22 < dongs> how does this map into that
2012-11-04T02:36:22 < qyx_> we had imac dp -> hdmi -> 2048x1536 30" working
2012-11-04T02:36:46 < qyx_> O_o
2012-11-04T02:37:36 < zyp> ah, I think I figured out the transpose
2012-11-04T02:38:00 < qyx_> https://en.wikipedia.org/wiki/Hdmi#Version_comparison
2012-11-04T02:40:23 < zyp> looks like any 2^n square transpose can be broken down into 2x2 transposes of transposed data
2012-11-04T02:41:21 < zyp> so first you transpose every 2x2 block, then every 4x4 block by treating each 2x2 block as a single value, then every 8x8 block, and so on
2012-11-04T02:41:47 < zyp> in the end you are just moving bytes
2012-11-04T02:41:54 < qyx_> dongs: you need 245MHz pixel clock for that with 60Hz.. it is far beyond the possibilities of that ic
2012-11-04T02:42:13 < dongs> qyx, how? its 8bit/pixel
2012-11-04T02:42:37 < qyx_> 24bit/pixel
2012-11-04T02:42:41 < upgrdman> is it possible to extract an "intel hex" file from an elf or bin?>
2012-11-04T02:42:41 < dongs> its a 1.3 receiver IC, so  minimum is 24bit/pix (rgb), so i can do 2560x1600 which is less than 2048x1536, no?
2012-11-04T02:42:45 < qyx_> but it doesnt matter
2012-11-04T02:43:15 < dongs> how did you calculate pixel clock
2012-11-04T02:43:18 < qyx_> 2560x1600x60
2012-11-04T02:43:31 < zyp> upgrdman, of course
2012-11-04T02:43:32 < dongs> my rez is 2048x1536.
2012-11-04T02:43:33 < qyx_> 60 frames of 2560x1600 each second
2012-11-04T02:43:35 < qyx_> or lower
2012-11-04T02:43:41 < upgrdman> zyp, how
2012-11-04T02:43:45 < dongs> so 188743680hz?
2012-11-04T02:44:01 < qyx_> yep
2012-11-04T02:44:14 < qyx_> your table lists maximum uxga at 162MHz
2012-11-04T02:44:18 < qyx_> 1600x1200
2012-11-04T02:44:25 < zyp> upgrdman, with objcopy
2012-11-04T02:44:33 < upgrdman> k thanks
2012-11-04T02:44:34 < dongs> im checking for absolute max value somewehre
2012-11-04T02:44:54 < dongs> The integrated TMDS receiver analog frontend macros is capable of receiving and decoding HDMI
2012-11-04T02:44:56 < dongs> data at up to 2.25Gbps (with a TMDS clock of 225MHz).
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2012-11-04T02:45:03 < dongs> qyx_: for 24bit, tdms clock = pclk
2012-11-04T02:45:18 < qyx_> no, tmds clock = pixel clock * 24
2012-11-04T02:45:29 < qyx_> wat
2012-11-04T02:45:29 < dongs> For 24-bit inputs, TMDS Clock frequency = 1 x PCLK frequency
2012-11-04T02:45:34 < dongs> duno thats what the ds says
2012-11-04T02:45:39 < qyx_> yes
2012-11-04T02:46:24 < qyx_> 2.25 / 24 = pixelclock if theres no protocol overhead
2012-11-04T02:47:03 < qyx_> but the result is slightly..
2012-11-04T02:47:24 < dongs> well i got some hardware here with those chips. Ill get the guy on monday to try and receive 2048x1536 with it.
2012-11-04T02:48:22 < qyx_> maybe they wrote that using min/max values
2012-11-04T02:48:40 < qyx_> 2.25gbps hdmi with 225MHz pixelclock leaves only 10bit per pixel
2012-11-04T02:49:02 < qyx_> the lowest value in your table is 8/10 bpp
2012-11-04T02:49:03 < dongs> yeah, in YCbCr mode or whatever
2012-11-04T02:49:38 < dongs> Major video processings in the IT6604 are carried out in 14 bits per channel in order to minimize
2012-11-04T02:49:41 < dongs> rounding errors and other computational residuals that occur during processing.
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2012-11-04T02:50:45 < dongs> The lowest TMDS clock frequency specified by the HDMI standard is 25MHz for 640X480@60Hz does that match?
2012-11-04T02:50:58 < dongs> 18432000 thats 18MHz
2012-11-04T02:52:08 < qyx_> hm, isnt there some blanking interval or what?
2012-11-04T02:52:20 < qyx_> some black lines on top/bottom
2012-11-04T02:52:30 < dongs> perhaps
2012-11-04T02:53:54 < dongs> different pa rts of datasheet say different shit
2012-11-04T02:53:54 < dongs> The IT6604 with its HDMI input ports supports color depths of 10
2012-11-04T02:53:54 < dongs> bits and 12 bits up to 1080p
2012-11-04T02:54:25 < qyx_> each channel?
2012-11-04T02:54:30 < qyx_> i hope so
2012-11-04T02:54:52 < dongs> but later on they say shit lke For 36-bit inputs, TMDS Clock frequency = 1.5 x PCLK frequency
2012-11-04T02:55:06 < qyx_> o\
2012-11-04T02:55:10 < qyx_> im lost tere
2012-11-04T02:58:16 < dongs> PCLK=222.75MHz: 1080p@36-bit Deep Color with 192kHz/8-channel audio
2012-11-04T02:58:45 < dongs> 12bit/channel?
2012-11-04T02:59:02 < qyx_> seems so
2012-11-04T02:59:09 < emeb_mac> dongs: wtf are you making?
2012-11-04T02:59:42 < dongs> emeb_mac: poking around for potential components to use wiht my jewpad3 monitor thing. see if I can do HDMI>DP converter.
2012-11-04T03:00:29 < emeb_mac> dongs: so you're trying to make little LCD monitors out of surplus tablet displays?
2012-11-04T03:00:36 < dongs> whats wrong with that?
2012-11-04T03:00:40 < emeb_mac> nothing
2012-11-04T03:00:45 < dongs> its higher resolution than anything currently on my desk besides T221
2012-11-04T03:01:05 < dongs> i could just use the DP port as-is but as I found out the only cards wiht dual DP ports are fucking AMD/ATI
2012-11-04T03:01:45 < emeb_mac> sounds like a cool hack.
2012-11-04T03:01:58 < qyx_> hm
2012-11-04T03:02:24 < dongs> anyway '36bit deepcolor" is just 12bit/pixel.
2012-11-04T03:03:29 < qyx_> dongs: nvidia quadro?
2012-11-04T03:03:36 < dongs> qyx_: for less than $150 preferably.
2012-11-04T03:03:47 < qyx_> NVIDIA Quadro NVS 450
2012-11-04T03:03:47 < qyx_> ah
2012-11-04T03:03:54 < qyx_> this is ~430eur
2012-11-04T03:03:57 < qyx_> 4x dp
2012-11-04T03:04:01 < dongs> yea i am not a gaymer
2012-11-04T03:04:04 < dongs> that does look nice though
2012-11-04T03:04:13 < dongs> i could make a 4k monitor out of 4 jewpad displays with this.
2012-11-04T03:04:53 < qyx_> but NVIDIA Quadro NVS 295 is for 90e
2012-11-04T03:04:56 < qyx_> 2x dp
2012-11-04T03:06:35 < dongs> yeah those are all mega old cards
2012-11-04T03:07:35 < dongs> http://www.newegg.com/Product/Product.aspx?Item=N82E16814131474
2012-11-04T03:07:38 < dongs> what a deal
2012-11-04T03:08:32 < qyx_> only 6?
2012-11-04T03:08:47 < dongs> ya.
2012-11-04T03:09:24 < qyx_> http://www.ebay.com/itm/lot-of-18650-4500mAh-3-7V-li-ion-BRC-Rechargeable-battery-UltraFire-/180973630103?pt=LH_DefaultDomain_0&var=&hash=item2a22de7297
2012-11-04T03:09:27 < qyx_> whats that
2012-11-04T03:09:37 < dongs> laser pointer batteries
2012-11-04T03:09:49 < dongs> like 18650 is some battery size
2012-11-04T03:09:51 < qyx_> 18650 liion, but
2012-11-04T03:09:57 < dongs> slightly   fatter than AA
2012-11-04T03:10:21 < qyx_> 4500mah is definitely the best density/weight ratio ive ever seen
2012-11-04T03:10:35 < dongs> haha.. yeah that might be a trol
2012-11-04T03:10:40 < qyx_> some chinese..
2012-11-04T03:10:41 < qyx_> troll
2012-11-04T03:19:46 < TitanMKD> ok i just found what i want ;)
2012-11-04T03:19:58 < TitanMKD> 8*32bits transpose in 45cycles ;)
2012-11-04T03:20:08 < TitanMKD> 45instructions in fact
2012-11-04T03:20:45 < TitanMKD> the best is even 37instructions for 8*32bits
2012-11-04T03:20:48 < zyp> I found the pattern behind it
2012-11-04T03:20:50 < dongs> transposing your bits. we need your support. how much is the fish.
2012-11-04T03:21:54 < TitanMKD> compared to transpose naive method which takes 174instructions
2012-11-04T03:23:47 < zyp> those number of instructions, does that include branches?
2012-11-04T03:24:01 < TitanMKD> hmm good question
2012-11-04T03:24:11 < TitanMKD> in fact yes because there's no branch ;)
2012-11-04T03:24:38 < TitanMKD> all is done with "magic numbers" and only shift / xor
2012-11-04T03:24:58 < emeb_mac> TitanMKD: linky?
2012-11-04T03:25:23 < TitanMKD> http://www.hackersdelight.org/HDcode/transpose8.c.txt
2012-11-04T03:25:47 < TitanMKD> it just seems the best i have found
2012-11-04T03:27:18 < zyp> huh, this is 8x8 transpose
2012-11-04T03:27:24 < zyp> not 8x32
2012-11-04T03:27:29 < TitanMKD> yes but can be applied for my needs ;)
2012-11-04T03:28:37 < zyp> yes, but the instruction counts are not realistic
2012-11-04T03:28:45 < TitanMKD> yes ;)
2012-11-04T03:28:54 < TitanMKD> but anyway i think it is the best i can have
2012-11-04T03:29:11 < emeb_mac> interesting.
2012-11-04T03:29:15 < zyp> well, the method is the same as I just figured out
2012-11-04T03:29:21 < TitanMKD> I need to execute it 4times ;)
2012-11-04T03:29:37 < TitanMKD> to have 8*32bits in fact
2012-11-04T03:30:07 < TitanMKD> so 37*4=148instructions which is very good
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2012-11-04T03:30:39 < TitanMKD> my aim was to be less than 8*32=256instructions
2012-11-04T03:31:09 < TitanMKD> anyway i will check generated ARM asm code ;)
2012-11-04T03:32:33 < TitanMKD> maybe i can even obtain 32instructions
2012-11-04T03:33:00 < TitanMKD> as the best case in fact takes 32 operations machine which result in 37 instructions machine on x86
2012-11-04T03:33:49 < emeb_mac> TitanMKD: what do you need this for?
2012-11-04T03:35:00 < TitanMKD> emeb_mac it is just for logic analyzer using SGPIO ;)
2012-11-04T03:35:24 < TitanMKD> because OLS requires => chan 0, 1, 2, 3, 4 ...
2012-11-04T03:35:51 < TitanMKD> and i have chan 0 => 32bits, chan 1 => 32bits ... until chan 15 => 32bits (for 16chan)
2012-11-04T03:36:04 < emeb_mac> so it's kind of a serial/deserial operation?
2012-11-04T03:36:07 < TitanMKD> yes
2012-11-04T03:36:19 < emeb_mac> neat
2012-11-04T03:36:30  * emeb_mac would have just used an FPGA for that. :)
2012-11-04T03:36:47 < TitanMKD> but the idea is to use a cheap MCU for that ;)
2012-11-04T03:36:55 < emeb_mac> TitanMKD: I get it.
2012-11-04T03:37:19 < TitanMKD> i know a fpga could do that natively without even think about transpose ;)
2012-11-04T03:37:27 < emeb_mac> yup
2012-11-04T03:37:44 < TitanMKD> but now i'm happy the MCU can do that ;)
2012-11-04T03:37:57 < emeb_mac> which is a cool trick.
2012-11-04T03:38:08 < TitanMKD> in worst case this transpose could be done on PC side as live transpose during reception of data
2012-11-04T03:38:51 < emeb_mac> which MCU you using? (LPC4300?)
2012-11-04T03:38:59 < TitanMKD> yes lpc4330
2012-11-04T03:39:17  * emeb_mac needs to study up on sgpio
2012-11-04T03:39:17 < TitanMKD> also previous time i loved clz instruction ;)
2012-11-04T03:39:25 < emeb_mac> not used that before.
2012-11-04T03:39:42 < TitanMKD> clz is just magic to sync bit stream
2012-11-04T03:39:55 < TitanMKD> without it my naive method just take about 60cycles
2012-11-04T03:40:05 < TitanMKD> with it it take 1cycle ;)
2012-11-04T03:40:16 < emeb_mac> nice.
2012-11-04T03:40:30 < TitanMKD> it's also used for divide ;)
2012-11-04T03:40:41 < TitanMKD> to count number of zero
2012-11-04T03:41:06 < emeb_mac> also good for computing binary log2
2012-11-04T03:41:06 < TitanMKD> it avoid doing 32loops especially if the 1st loop are for bit = 0
2012-11-04T03:41:19 < TitanMKD> yes very good for that too and tons of other stuff
2012-11-04T03:41:23  * emeb_mac uses that in hardware a lot
2012-11-04T03:41:47 < TitanMKD> I was very disappointed to do not find it in PPC ;)
2012-11-04T03:42:29 < TitanMKD> also ARM have a major advantage with the possibility to do an additional shift on any instruction
2012-11-04T03:42:54 < emeb_mac> Years ago I used a language for ASIC design called Module Compiler. It had a function to do this.
2012-11-04T03:43:33 < TitanMKD> but the major fail on ARM is there is no fast trick for 64bits divide by constant ;)
2012-11-04T03:43:34 < emeb_mac> MC was an awesome language for designing DSP & video datapaths. I miss it.
2012-11-04T03:44:15 < emeb_mac> I wonder if they're adding that on the A5x machines?
2012-11-04T03:44:43 < TitanMKD> yes maybe on ARM 64bits new architecture
2012-11-04T03:44:48 < TitanMKD> ;)
2012-11-04T03:46:06 < TitanMKD> transpose 8*8bit just take 26 instructions on 64bits architecture too
2012-11-04T03:48:11 < emeb_mac> but you'd have to wait 2 years for 64-bit. That's a lot of instruction cycles. :D
2012-11-04T03:49:30 < TitanMKD> now the hard part is to sustain 100MHz ;)
2012-11-04T03:49:30 < zyp> I wrote a 16x8 transpose
2012-11-04T03:49:51 < TitanMKD> zyp and what the number of cycles ?
2012-11-04T03:51:27 < zyp> http://paste.jvnv.net/view/cLJG4 <- judge for yourself
2012-11-04T03:51:48 < TitanMKD> woo seems really not bad ;)
2012-11-04T03:52:26 < TitanMKD> have you used -O3 ?
2012-11-04T03:52:42 < zyp> no, -O2 and -funroll-loops
2012-11-04T03:53:06 < TitanMKD> the asm code is very good
2012-11-04T03:53:12 < zyp> without -funroll-loops the first loop is not unrolled
2012-11-04T03:53:24 < TitanMKD> ok very interesting
2012-11-04T03:53:38 < TitanMKD> does -Os -funroll-loops output same result ?
2012-11-04T03:54:02 < TitanMKD> because now i keep -Os as for other stuff it is really better than -O2/-O3 for ARM
2012-11-04T03:55:23 < TitanMKD> funny it use s1
2012-11-04T03:55:56 < zyp> -Os -funroll-loops doesn't unroll the first loop
2012-11-04T03:56:03 < TitanMKD> ha :(
2012-11-04T03:56:11 < zyp> and turns out larger than plain -O2
2012-11-04T03:56:29 < TitanMKD> anyway for that example -O2 and -funroll-loops is just the best
2012-11-04T03:57:17 < zyp> hmm
2012-11-04T03:58:01 < zyp> plain -Os produce even smaller code than -O2 though, and it's still just the first loop that is not unrolled
2012-11-04T03:58:27 < TitanMKD> do you know how to force it to unroll the first loop ?
2012-11-04T03:58:40 < TitanMKD> especially for a loop of 4 elements
2012-11-04T03:58:57 < zyp> well, I can unroll it by hand
2012-11-04T03:59:26 < TitanMKD> of course but it's better with plain C code as input
2012-11-04T03:59:57 < TitanMKD> in fact you have 32instructions
2012-11-04T04:00:11 < TitanMKD> without taking into account the movw	r3, #43690	; 0xaaaa
2012-11-04T04:00:15 < zyp> http://paste.jvnv.net/view/Q6VHB
2012-11-04T04:00:17 < TitanMKD> and the load/store
2012-11-04T04:00:55 < TitanMKD> zyp it is result with which option ?
2012-11-04T04:01:15 < zyp> plain -Os, with hand-unrolled first loop
2012-11-04T04:01:31 < TitanMKD> haha it's a must
2012-11-04T04:01:58 < zyp> but smaller code != faster
2012-11-04T04:02:15 < TitanMKD> but for that example smaller is faster ;)
2012-11-04T04:02:21 < zyp> so it's quite pointless arguing about what is best without actually benchmarking it
2012-11-04T04:02:27 < TitanMKD> especially for M4
2012-11-04T04:02:39 < zyp> on what basis can you claim it is faster?
2012-11-04T04:02:51 < TitanMKD> but yes there's some load in code ;)
2012-11-04T04:03:14 < TitanMKD> but load with no dependency so 1 cycle IIRC
2012-11-04T04:03:47 < TitanMKD> but yes a benchmark will confirm that
2012-11-04T04:03:58 < zyp> hmm, I wonder if I forgot something
2012-11-04T04:04:34 < zyp> there are only six loads/stores here, I'm using 8 words of data
2012-11-04T04:04:43 < TitanMKD> ha yes ;)
2012-11-04T04:05:46 < TitanMKD> even the -O2 version is strange
2012-11-04T04:05:47 < zyp> ah, no, of course I'm not
2012-11-04T04:05:49 < TitanMKD> only 3 ldr
2012-11-04T04:06:05 < zyp> I'm only using four words, it was the 16x16 version that was using 8 :p
2012-11-04T04:06:27 < zyp> TitanMKD, still six loads
2012-11-04T04:06:46 < zyp> three ldr and one ldmia loading three values at once
2012-11-04T04:07:09 < TitanMKD> ha yes i forgot the ldmia ;)
2012-11-04T04:07:16 < zyp> hmm
2012-11-04T04:07:29 < zyp> ah, I've got a typo here
2012-11-04T04:07:50 < zyp> actually, six is wrong, because it should really be four
2012-11-04T04:08:40 < TitanMKD> yes
2012-11-04T04:08:50 < zyp> http://paste.jvnv.net/view/D6i2z <- ok, fixed
2012-11-04T04:09:24 < TitanMKD> fine
2012-11-04T04:09:35 < TitanMKD> ha yes better only 4 str
2012-11-04T04:10:32 < TitanMKD> what have you changed in the c source ?
2012-11-04T04:11:20 < zyp> the [i + 4], it should be [i + 2]
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2012-11-04T04:11:49 < TitanMKD> ha yes ok
2012-11-04T04:12:17 < zyp> I was counting 16 bit blocks and forgot that it was a 32-bit index ;)
2012-11-04T04:12:29 < TitanMKD> hehe no problem
2012-11-04T04:13:47 < zyp> but this should really be adaptible to any type of bit transpose
2012-11-04T04:15:20 < TitanMKD> yes
2012-11-04T04:15:55 < TitanMKD> in fact your code is pratically the same as transpose8rS64
2012-11-04T04:16:18 < zyp> yes
2012-11-04T04:16:37 < TitanMKD> but for 32bits
2012-11-04T04:16:44 < zyp> except I'm working with a 16-bit width
2012-11-04T04:16:58 < TitanMKD> yes
2012-11-04T04:17:30 < zyp> the shifts have to be adjusted for the matrix width, but otherwise the method is exactly the same
2012-11-04T04:17:49 < TitanMKD> GLS method is maybe even better
2012-11-04T04:18:20 < TitanMKD> as x = x ^ t ^ (t << 7) produce maybe better code for ARM
2012-11-04T04:18:42 < zyp> huh?
2012-11-04T04:18:48 < TitanMKD> but i will check results ;) but your code seems not far from perfection
2012-11-04T04:19:42 < zyp> what's the GLS method and how is it better?
2012-11-04T04:19:44 < TitanMKD> yes here http://www.hackersdelight.org/HDcode/transpose8.c.txt
2012-11-04T04:20:22 < TitanMKD> it just depend on the processor instruction as some stuff can be done better on ARM
2012-11-04T04:20:55 < zyp> I still don't get what «GLS method» refer to, and how it's different
2012-11-04T04:22:10 < TitanMKD> will be funny to check generated code for 64bits version on ARM ;)
2012-11-04T04:27:38 < zyp> hmm, I still need the 16x16 step in my code
2012-11-04T04:27:38 < TitanMKD> hmm transpose8rS32 contains some mul !
2012-11-04T04:28:00 < TitanMKD> in generated ARM asm code
2012-11-04T04:28:13 < TitanMKD> 4 mul
2012-11-04T04:28:22 < zyp> well, it's probably just the indexes
2012-11-04T04:28:32 < TitanMKD> anyway mul is 1 cycles IIRC on M4 ;)
2012-11-04T04:28:47 < TitanMKD> yes right it's index stuff
2012-11-04T04:30:43 < zyp> hrm
2012-11-04T04:31:25 < zyp> I'm having problems visualizing the last rectangular step of the transpose :p
2012-11-04T04:31:48 < TitanMKD> of which one ? in your code ?
2012-11-04T04:31:55 < zyp> yes
2012-11-04T04:32:47 < zyp> I realized I still need another step to interleave the two 8x8 matrices with each other
2012-11-04T04:32:57 < TitanMKD> ha ok ;)
2012-11-04T04:33:10 < zyp> and I also think I wrote my transpose for the opposite direction of what I want to do :p
2012-11-04T04:33:32 < TitanMKD> anyway for such stuff some test are always welcome ;)
2012-11-04T04:34:39 < zyp> the thing is that I want to take a bunch of 8-bit arrays and turn them into 8 1-bit arrays
2012-11-04T04:36:01 < TitanMKD> yes parallel to serial in fact
2012-11-04T04:36:06 < zyp> no
2012-11-04T04:36:25 < TitanMKD> maybe you need just 8*8bit transpose ?
2012-11-04T04:36:44 < zyp> no, I need 8x256 transpose :)
2012-11-04T04:36:50 < TitanMKD> ha ok ;)
2012-11-04T04:37:47 < zyp> hmm
2012-11-04T04:37:59 < TitanMKD> NEON seems a must for that
2012-11-04T04:38:04 < TitanMKD> they have transpose instruction
2012-11-04T04:38:08 < zyp> nah
2012-11-04T04:38:31 < TitanMKD> but we do not have Neon on CortexMx :(
2012-11-04T04:38:57 < zyp> remember that it's just a matter of data ordering
2012-11-04T04:41:20 < zyp> the data is going to be read as 16 bit values, so I don't really need to reorder the 16 bit words, I just modify the index when reading it
2012-11-04T04:41:43 < zyp> so I just need to transpose the bits going into each 16-bit word
2012-11-04T04:51:26 < TitanMKD> in fact for my need i only need 8*8bits transpose
2012-11-04T04:51:37 < TitanMKD> i will cut my input 32bits by 4 packets of 8bits
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2012-11-04T05:29:49 < zyp> http://paste.jvnv.net/view/EQVHZ <- made a model with test case for my transpose
2012-11-04T05:31:25 < zyp> source data is 256 8-bit values, transpose is performed on 64 32-bit words, data is read out as 128 16-bit values
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2012-11-04T05:44:05 < TitanMKD> zyp very interesting
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2012-11-04T05:45:09 < TitanMKD> zyp the 8x8bit transpose give me a total 60instructions with http://www.hackersdelight.org/HDcode/transpose8.c.txt
2012-11-04T05:45:13 < TitanMKD> in best case -O3
2012-11-04T05:46:13 < TitanMKD> in fact my requirement is i need to be faster than 2cycle/bit ;)
2012-11-04T05:48:11 < TitanMKD> the major problem is lack of register on ARM
2012-11-04T05:48:34 < zyp> nah
2012-11-04T05:49:03 < zyp> the working set is not so large
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2012-11-04T05:49:11 < TitanMKD> because now i need 16bit transpose too ;)
2012-11-04T05:49:15 < zyp> especially not since you're mutating the source register
2012-11-04T05:49:23 < TitanMKD> so 16register in worst case
2012-11-04T05:49:36 < zyp> nah
2012-11-04T05:49:53 < TitanMKD> yes i do not take into account recycling on old reg
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2012-11-04T05:50:21 < zyp> a 16x16 transpose is 8 registers worth of data if you need to hold everything at the same time, and then you need a register for the temporary
2012-11-04T05:50:23 < TitanMKD> anyway i have not wrote the 16bits version of code
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2012-11-04T05:53:20 < TitanMKD> i need a 8*16 in fact ;)
2012-11-04T05:53:32 < TitanMKD> or if you prefer 4 * (8*16)
2012-11-04T05:54:28 < emeb> yo dongs
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2012-11-04T05:58:28 < TitanMKD> bye
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2012-11-04T06:28:01 < dongs> blogs
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2012-11-04T06:28:56 < emeb> dongs - dude
2012-11-04T06:28:59 < dongs> sup
2012-11-04T06:29:05 < emeb> got the ledboard all built
2012-11-04T06:29:10 < dongs> and smoked it?
2012-11-04T06:29:11 < dongs> :D
2012-11-04T06:29:24 < emeb> trying to get your sores compiled in gcc now.
2012-11-04T06:29:35 < dongs> shouldnt be hard. just swap in some other gcc-esque startup file.
2012-11-04T06:29:40 < dongs> i.e. the one from cmsis
2012-11-04T06:29:44 < emeb> yeah.
2012-11-04T06:29:58 < emeb> just fighting all the little details.
2012-11-04T06:30:14 < dongs> keil is pretty pro
2012-11-04T06:30:30 < emeb> does all the grunt stuff for you.
2012-11-04T06:31:14 < emeb> anyway - applied power. no smoke.
2012-11-04T06:32:38 < dongs> anyway, theres not much to do anyways.
2012-11-04T06:32:42 < dongs> none of usb stuff works anyhow
2012-11-04T06:32:46 < dongs> the only relevant code is in main.c
2012-11-04T06:32:55 < dongs> so you can just pull that out and link w/stdperiphlib as usual
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2012-11-04T06:34:58 < emeb> yup - doing that. just getting around the complaints about assert_params right now.
2012-11-04T06:35:13 < dongs> you have to -D stuff
2012-11-04T06:35:16 < dongs> USE_STDPERIPHLIB or so.
2012-11-04T06:35:22 < emeb> I had that figured out a while back.
2012-11-04T06:35:34 < dongs> also include misc.c from cmsis into build.
2012-11-04T06:36:25 < emeb> yup - got those.
2012-11-04T06:38:51 < emeb> ok - all compiled.
2012-11-04T06:39:03 < emeb> now to get the flashing working...
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2012-11-04T06:42:08 < dongs> ah, the problems of lunix :)
2012-11-04T06:43:14 < emeb> heh
2012-11-04T06:43:37 < emeb> forgot how to drive the BMPM from gdb...
2012-11-04T06:44:17 < emeb> it's all scripted in my other build dir so I don't have to do it by hand.
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2012-11-04T06:53:39 < emeb> OK got flashing working, but pgm isn't starting. Need to make sure I've got the linker script right...
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2012-11-04T07:12:08 < emeb> meh - complaints from gdb about illegal memory access. Play with this tomorrow...
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2012-11-04T09:13:47 < emeb_mac> quiet here... too quiet.
2012-11-04T09:14:02 < dongs> only lunix spam
2012-11-04T09:15:23 < emeb_mac> is that what grummund is?
2012-11-04T09:15:43 < dongs> ya
2012-11-04T09:15:48 < emeb_mac> annoying.
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2012-11-04T09:30:16 < dongs> d o  n   g    s
2012-11-04T09:30:31 < baird> DID SOMEONE SAY LINUX SPAM?
2012-11-04T09:30:59 < dongs> rapeberrypi spam
2012-11-04T09:31:48 < dongs> baird: found anything in your house wiht displayport output yet?
2012-11-04T09:31:58 < baird> Brie cheese and spam. On toast.
2012-11-04T09:32:17 < baird> d: nope
2012-11-04T09:32:28 < baird> Well, probably the housemate's Mac.
2012-11-04T09:32:37 < dongs> heh
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2012-11-04T10:12:32 < dongs> qyx_: apparently 4500 isnt so weird for li-ion.
2012-11-04T10:12:37 < dongs> http://lygte-info.dk/review/batteries2012/Common18650Summary%20UK.html
2012-11-04T10:12:38 < dongs> qyx_: ^
2012-11-04T10:12:48 < dongs> they suck for draw curent though
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2012-11-04T10:13:41 < carp3> Hi, is there anyway to interface STM32 to SATA disk ?
2012-11-04T10:13:46 < dongs> no.
2012-11-04T10:14:09 < dongs> your best bet would be a usb>sata adapter and doing usb host but sata at fullspeed is preetty shitty.
2012-11-04T10:14:15 < dongs> or storage in general.
2012-11-04T10:15:25 < carp3> i just want to play some mp3s from disk. i don't care about speed. 400kbit in enough .
2012-11-04T10:15:39 < dongs> then it is as I said.
2012-11-04T10:15:47 < dongs> pick a stm32  that can do usb host, use a sata>usb adapter.
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2012-11-04T10:27:03 < carp3> what about NTFS? is there any ntfs library for stm32/ or in ansi c ?
2012-11-04T10:30:10 < jpa-> ntfsprogs might be portable
2012-11-04T10:30:22 < jpa-> especially to nuttx or other posix-compatible RTOS
2012-11-04T10:31:21 < jpa-> (the old version, not the ntfs-3g based one)
2012-11-04T10:33:32 < dongs>  carp3 you might be better off getting some allwinner assdroid lunix shit
2012-11-04T10:33:35 < dongs> and declaring victory.
2012-11-04T10:33:38 < dongs> it will be cheaper, too.
2012-11-04T10:34:03 < jpa-> yeah
2012-11-04T10:34:21 < jpa-> beaglebone or rasberry pi are also quite eay
2012-11-04T10:34:23 < jpa-> *easy
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2012-11-04T10:34:44 < jpa-> and if you are running a harddrive, power consumption is probably not that critical
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2012-11-04T10:52:16 < Claude> carp3, ide/sata (there are bidirectional ones) adapter off fleabay. connect adapter to some gpios or even fsmc
2012-11-04T10:58:08 < Claude> http://www.logilink.eu/showproduct/AD0008.htm?seticlanguage=en
2012-11-04T10:59:25 < jpa-> > proceed to implement your own ide drivers   (i know, i know, it's not impossible)
2012-11-04T11:02:02 < baird> Did a 14-wire bit-bash IDE interface once for a 6502 system..
2012-11-04T11:03:01 < jpa-> one can only hope that those ide/sata adapters include all the legacy modes
2012-11-04T11:06:27 < Claude> like PIO ? yes they do
2012-11-04T11:08:40 < Claude> and and ide lowlevel driver isn't that hard to write , if you are lazy just copy&paste it from here : http://elm-chan.org/fsw/ff/00index_e.html
2012-11-04T11:12:30 < jpa-> hehe - it would take a month to fully write a 3 TB sata drive over USB 1.1; i guess the IDE adapter would be quite a bit faster
2012-11-04T11:13:02 < jpa-> especially if one is able to use FSMC for it
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2012-11-04T12:07:54 < qyx_> dongs: but there isnt any with such high capacity.. ultrafire 4ah only which completely sucks
2012-11-04T12:08:22 < qyx_> these 3400mah panasonics seem to be the best
2012-11-04T12:09:59 < baird> 3400mAh would be enough? http://www.howtospotapsychopath.com/2012/11/04/from-crowbar-to-glowbar/
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2012-11-04T13:27:58 < dongs> serious lack of blog
2012-11-04T13:27:58 < dongs> q
2012-11-04T13:28:04 < dongs> qyx_: well, that site lists some
2012-11-04T13:28:08 < dongs> i have no idea really.
2012-11-04T13:28:40 < dongs> qyx_: ultrafire 5000 are 43 grams... > http://www.ebay.co.uk/itm/2x-UltraFire-18650-3-7V-5000mAh-Rechargeable-Li-ion-Battery-for-flashlight-Torch-/221138043128?pt=UK_ConsumerElectronics_Batteries_SM&hash=item337cdac0f8
2012-11-04T14:03:01 < dongs> man what the hell!
2012-11-04T14:03:10 < dongs> 1920x1080 13" panels are like 40 bucks
2012-11-04T14:03:15 < dongs> also with eDP
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2012-11-04T14:16:25 < baird> I wonder what the panel interface is on the EeePC701..
2012-11-04T14:16:43 < dongs> baird, probably the usual lvds/panellink shit.
2012-11-04T14:16:44 < baird> Its output is only analogue VGA, though.
2012-11-04T14:17:10 < dongs> http://www.ebay.com/itm/310246305616
2012-11-04T14:17:19 < baird> The most detailed answer from googling around is '60 pin interface'
2012-11-04T14:17:19 < dongs> 800 x 400?????????
2012-11-04T14:17:23 < baird> Yup.
2012-11-04T14:17:29 < dongs> god damn that is horrible
2012-11-04T14:17:49 < dongs> 60pin = lvds
2012-11-04T14:18:03 < baird> https://secure.flickr.com/photos/chris_j_b/2091869709/in/set-72157603488927690
2012-11-04T14:18:08 < dongs> or heck, could be just raw pixel data
2012-11-04T14:18:13 < dongs> like RGB + wahtever. liek the PSP lcd
2012-11-04T14:18:29 < dongs> https://www.sparkfun.com/products/8335
2012-11-04T14:19:02 < dongs> ahashhashashahhas
2012-11-04T14:19:08 < baird> teeeeny: https://secure.flickr.com/photos/chris_j_b/2097714074/
2012-11-04T14:19:11 < dongs> stopped reading after : emacs
2012-11-04T14:20:17 < baird> Apparently, occuring to the shipping manifest, it was the 100th EeePC sent to Australia.
2012-11-04T14:20:31 < baird> *occording
2012-11-04T14:21:38 < dongs> sstill wrong
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2012-11-04T14:30:37 < baird> A neat little thing about the '701 was it could run, and also recharge, from a 12VDC supply, in spite of its stock power brick being 19V 2.1A. A mate of mine installed his in his Mini CooperS, and ran Xaster for his mobile ham setup in the car.
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2012-11-04T14:39:24 < dongs> bedtime
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2012-11-04T15:02:16 < qyx_>  - 2PCS UltraFire TR 18650 3.7V 5000mAh Rechargeable Unprotected Li-ion Battery
2012-11-04T15:02:21 < qyx_>  - Over temperature and over current protection
2012-11-04T15:02:26 < qyx_> uhm, which one
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2012-11-04T15:06:53 < Robint91> hi all
2012-11-04T15:07:47 < Robint91> why is taking _impure_ptr 1kiB of ram
2012-11-04T15:12:39 < zyp> seems to be related to newlib's reentrancy state
2012-11-04T15:14:59 < Robint91> yeah
2012-11-04T15:15:47 < Robint91> zyp, but I'm not linking to newlib
2012-11-04T15:16:38 < zyp> are you explicitly telling the linker not to link with newlib?
2012-11-04T15:17:40 < Robint91> -mcpu=cortex-m3; -mthumb; -Wl; -nostartfiles; -g; -Map=driver_Target_Flash.map; -Os; --gc-sections; -L${linkdir}; -T${linkdir}/arm-gcc-link.ld;
2012-11-04T15:18:49 < Robint91> I don't think so
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2012-11-04T15:52:37 < Laurenceb> think i worked out why my F3 opamp benchmark had noise peaking at high frequencies
2012-11-04T15:52:56 < Laurenceb> i was hitting the gain bandwidth of the opamp with some of the feedback networks
2012-11-04T15:53:32 < Laurenceb> that distorted the results, so it looks like ~100nV/sqrt(Hz) voltage noise floor and 100fA/sqrt(Hz) current noise floor
2012-11-04T15:53:52 < Laurenceb> with 2KHz corner frequency
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2012-11-04T19:27:13 < Laurenceb> mind bleach?
2012-11-04T19:29:11 < emeb> sometimes needed on this chl
2012-11-04T19:35:28 < zyp> hmm, can't find anything in lpc4300 documentation on how it should be decoupled
2012-11-04T19:36:50 < emeb> you mean recommended caps/vdd, etc?
2012-11-04T19:36:55 < zyp> yep
2012-11-04T19:37:54 < emeb> default = 0.1uf / vdd + 1uf + 10uf
2012-11-04T19:38:50 < zyp> how does «one per vdd» scale to a bga with 20 balls hooked to vdd? :p
2012-11-04T19:39:18 < emeb> scales to a crapload of 0.1uf caps on your board.
2012-11-04T19:40:01 < emeb> I guess if you're feeling lucky then you can cut back though.
2012-11-04T19:40:14 < zyp> :)
2012-11-04T19:40:26 < emeb> cue Dirty Harry scene...
2012-11-04T19:41:30 < emeb> feeling like a n00b: trying to get dongs' led array demo running.
2012-11-04T19:42:18 < emeb> got his keil source to compile in gcc. It runs w/o crashing and I can single step through it, or even set breakpoints.
2012-11-04T19:42:52 < emeb> Doesn't actually light up the display though, and when I hang a scope off the GPIOs there aren't any signals toggling.
2012-11-04T19:43:10 < BrainDamage> wtf of the day: http://craziestgadgets.com/2010/07/23/how-to-use-an-ipad-as-a-plate-to-eat-from/
2012-11-04T19:43:26 < zyp> http://bin.jvnv.net/f/EQhpm.png <- considering that bottom layer looks like this, I feel that I have a good excuse to avoid dual sided assembly since there is not much room for caps anyway :p
2012-11-04T19:43:30 < emeb> If I set a breakpoint in the refresh timer ISR *then* I can see the row decode GPIOs toggle, but not when it free runs.
2012-11-04T19:44:13 < emeb> zyp: looks like the back side doesn't leave you any room.
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2012-11-04T19:44:27 < zyp> emeb, that's what I just said
2012-11-04T19:44:29 < emeb> maybe 0201 parts? :P
2012-11-04T19:44:40 < zyp> I'd rather not :p
2012-11-04T19:44:50 < emeb> smaller than my tweezers
2012-11-04T19:45:54 < zyp> oh well
2012-11-04T19:45:57 < emeb> zyp: just 4lyr?
2012-11-04T19:46:00 < zyp> yep
2012-11-04T19:46:09 < zyp> and inner layers are just planes
2012-11-04T19:46:12 < emeb> that's probably the big issue.
2012-11-04T19:46:34 < emeb> back-side decoupling usually goes along with signal routing on inner layers.
2012-11-04T19:46:45 < zyp> nah, issue is that vias are protruding through all planes
2012-11-04T19:48:43 < zyp> so anyway, should I just throw a bunch of caps around the chip and hook them to both layers, or should I split the vcc plane where it doesn't run by a cap?
2012-11-04T19:49:56 < emeb> probably best not to split the vcc plane.
2012-11-04T19:50:11 < zyp> yeah, I don't think it would serve any real purpose
2012-11-04T19:50:14 < emeb> just cluster the caps as close as you can.
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2012-11-04T20:12:24 < TitanMKD> hello
2012-11-04T20:12:31 < emeb> hello
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2012-11-04T20:12:55 < TitanMKD> finaly the transpose8x8bit is too slow for my needs :(
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2012-11-04T20:13:28 < emeb> limits your max sample rate?
2012-11-04T20:13:29 < TitanMKD> i checked again and it requires max 64cycles and i need to do 4* (8*8bit) transpose
2012-11-04T20:13:45 < TitanMKD> so it will be done in host side ;)
2012-11-04T20:14:08 < TitanMKD> and the worst is i need also transpose 4*(16*8) for 16chan mode ;)
2012-11-04T20:14:43 < TitanMKD> emeb the aim is to obtain 100MHz sampling rate ;)
2012-11-04T20:16:28 < emeb> yup
2012-11-04T20:16:42 < emeb> seems to be the std for logic analyzers
2012-11-04T20:17:19 < TitanMKD> anyway the max is 102Mhz when MCU runs @204MHz
2012-11-04T20:17:33 < TitanMKD> but i will change it to 100Mhz with MCU running @200MHz
2012-11-04T20:17:37 < TitanMKD> more standard ;)
2012-11-04T20:18:31 < TitanMKD> to reach this speed i will also avoiding interrupt to retrieve SGPIO buffer and write them on USB buffer
2012-11-04T20:18:55 < TitanMKD> so M0 will do an infinite loop waiting SGPIO buffer ready and filling USB buffer ;)
2012-11-04T20:19:10 < TitanMKD> it's major advantage of dual core
2012-11-04T20:19:34 < emeb> so you're sampling 8 SGPIO lines @ 100MHz and sending them via USB to the host PC to be parsed & stored?
2012-11-04T20:19:41 < TitanMKD> no 16 lines ;)
2012-11-04T20:19:53 < TitanMKD> 8 or 16 chan
2012-11-04T20:20:01 < emeb> so that's 1600Mbits/s
2012-11-04T20:20:02 < TitanMKD> but in fact it's not possible in realtime
2012-11-04T20:20:10 < emeb> no shit. :)
2012-11-04T20:20:12 < TitanMKD> it will be stored in an internal buffer ;)
2012-11-04T20:20:21 < TitanMKD> and sent to OLS after
2012-11-04T20:20:29 < TitanMKD> through USB
2012-11-04T20:20:32 < emeb> so you can do the transpose while  you send to USB.
2012-11-04T20:20:37 < TitanMKD> yes
2012-11-04T20:20:47 < TitanMKD> it will just delay a bit the stuff
2012-11-04T20:20:56 < emeb> how big is the buffer?
2012-11-04T20:21:11 < TitanMKD> it can be more than 128KB
2012-11-04T20:21:29 < TitanMKD> but really bigger on final hw ;)à
2012-11-04T20:21:35 < TitanMKD> with SDRAM ;)
2012-11-04T20:22:00 < emeb> so about 700us w/o external mem. Not bad
2012-11-04T20:22:19 < TitanMKD> yes and rle will be not possible at 100MHz
2012-11-04T20:22:20 < emeb> Really, the only thing  you need to handle real-time is the trigger logic.
2012-11-04T20:22:37 < TitanMKD> in fact trigger will be hw ;)
2012-11-04T20:22:53 < TitanMKD> SGPIO have trigger on pattern from 1bit to 32bits
2012-11-04T20:23:03 < emeb> even better.
2012-11-04T20:23:14 < TitanMKD> yes but advanced trigger will be not possible
2012-11-04T20:23:20 < TitanMKD> only basic ones ;)
2012-11-04T20:23:39 < emeb> but you still need some sort of simple logic to set trigger point in buffer and stop capture.
2012-11-04T20:24:06 < TitanMKD> yes for the part to say keep 10% before trigger
2012-11-04T20:24:16 < emeb> yup
2012-11-04T20:24:19 < TitanMKD> this will be sw only
2012-11-04T20:24:24 < emeb> yes
2012-11-04T20:24:44 < TitanMKD> i will try to find the fastest algorithm to do it in less than 64cycles ;)
2012-11-04T20:25:06 < TitanMKD> or 2*64cycles using 2 core
2012-11-04T20:25:32 < TitanMKD> but i doubt i could synchronize the 2 core efficiently on such short time contraint
2012-11-04T20:25:32 < emeb> does the M0 run at the full speed of the M4 in the LPC43xx?
2012-11-04T20:25:40 < TitanMKD> yes M0 can run @ 204Mhz
2012-11-04T20:25:49 < TitanMKD> IIRC it as his own clock
2012-11-04T20:25:52 < emeb> go little processor!
2012-11-04T20:26:07 < emeb> can't do much, but it does it really fast.
2012-11-04T20:26:13 < TitanMKD> but M0 is planned to retrieve SGPIO data and fill the buffer
2012-11-04T20:26:25 < emeb> can't do that w/ DMA?
2012-11-04T20:26:49 < TitanMKD> and in fact retrieving SGPIO is very time consuming as it requires more than 1 cycle per read on those special buffer
2012-11-04T20:27:24 < TitanMKD> the problem with DMA scatter/gather is it requires lot of byte to retrieve only 1 32bits because SGPIo buffer are not contiguous :(
2012-11-04T20:27:56 < TitanMKD> so lot of scatter/gather for 4 bytes each time which will consume lot of bandwidth for nothing
2012-11-04T20:28:17 < TitanMKD> and IIRC it seems the LPC43xx does not work as DMA for SGPIO peripheral
2012-11-04T20:28:45 < TitanMKD> SGPIO 14/15 can trigger DMA request but only for memory to memory transfer :( (tested by jared)
2012-11-04T20:29:10 < emeb> strange
2012-11-04T20:29:26 < zyp> *yawn*
2012-11-04T20:29:27 < TitanMKD> it requires more test in fact maybe it's an "errata "
2012-11-04T20:29:32 < zyp> http://bin.jvnv.net/f/qGHKG.png
2012-11-04T20:29:46 < zyp> just missing caps and final routing now, I think
2012-11-04T20:29:47 < TitanMKD> zyp hehe good
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2012-11-04T20:30:12 < TitanMKD> zyp what have you routed by priority (all SGPIO 0 to 15 i hope) ?
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2012-11-04T20:30:43 < TitanMKD> zyp also becareful 3.3V output is not 3.3V but with overshoot of 5V during 5/10ns !!
2012-11-04T20:31:00 < TitanMKD> zyp it kills CPLD not compliant with such overshoot
2012-11-04T20:31:07 < zyp> no, I only have 8 sgpio lines broken out
2012-11-04T20:31:16 < TitanMKD> zyp add resistor on those line in that case
2012-11-04T20:31:22 < zyp> on what?
2012-11-04T20:31:33 < TitanMKD> on SGPIO pins
2012-11-04T20:31:38 < zyp> huh?
2012-11-04T20:31:40 < TitanMKD> yes
2012-11-04T20:31:51 < zyp> why?
2012-11-04T20:31:57 < TitanMKD> i killed the CPLD port because of that on JellyBean
2012-11-04T20:32:05 < TitanMKD> now it's fixed with resistor on Jawbreaker
2012-11-04T20:32:18 < zyp> doesn't make sense.
2012-11-04T20:32:28 < TitanMKD> because SGPIo port are used for other stuff they have overshoot up to 5V !!
2012-11-04T20:32:44 < TitanMKD> see my measurement confirmed by NXP
2012-11-04T20:32:50 < TitanMKD> wait i give you the link
2012-11-04T20:33:18 < TitanMKD> https://github.com/mossmann/hackrf/blob/master/firmware/sgpio_passthrough_rom_to_ram/Test_SGPIO0_to15.pdf
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2012-11-04T20:34:29 < TitanMKD> zyp just add 39 Ohm resistor on each SGPIO line to remove this overshoot
2012-11-04T20:34:39 < TitanMKD> and it still work at 100MHz
2012-11-04T20:35:17 < TitanMKD> or put a 5.5V tolerant buffer connected to those SGPIO
2012-11-04T20:35:47 < TitanMKD> zyp this problem still does not appear in latest LPC43xx errata
2012-11-04T20:35:52 < emeb> I suppose you could put the termination @ the load too and not encumber the LPC board with it.
2012-11-04T20:36:01 < TitanMKD> emeb yes
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2012-11-04T20:36:26 < TitanMKD> in fact it's the same problem for SDRAM GPIO with same effects
2012-11-04T20:36:44 < TitanMKD> even if they are not used as SDRAM alternive function
2012-11-04T20:36:56 < TitanMKD> alternative/alternate
2012-11-04T20:37:10 < zyp> heh
2012-11-04T20:37:17 < emeb> zyp: so this board is just LPC + SDRAM + USB conn + regulator + JTAG + misc connectors?
2012-11-04T20:38:40 < zyp> emeb, yes, I have RMII, SDIO and I2S/I2C broken out to match waveshare extension boards
2012-11-04T20:38:48 < zyp> so I can hook it up to stuff I already have
2012-11-04T20:39:00 < emeb> yeah - thought that those might be for waveshare.
2012-11-04T20:39:05 < TitanMKD> zyp if you finish it soon i could even produce it as ITead ;)
2012-11-04T20:39:12 < emeb> this LPC has Flash built-in?
2012-11-04T20:39:17 < TitanMKD> zyp I have 2 LPC4330 LBGA 256
2012-11-04T20:39:22 < TitanMKD> emeb no
2012-11-04T20:39:35 < zyp> emeb, yes
2012-11-04T20:39:44 < TitanMKD> only LPC4357 have
2012-11-04T20:39:57 < TitanMKD> but there's 2 time less ram too
2012-11-04T20:40:20 < TitanMKD> and for max speed 204Mhz it's requires to execute code in RAM
2012-11-04T20:40:29 < emeb> Noticed no flash on-board so I thought it must be internal.
2012-11-04T20:40:37 < zyp> footprint is same for those with and without flash, but I haven't really added any way to boot chips without flash
2012-11-04T20:40:51 < TitanMKD> zyp ad QuadSPI
2012-11-04T20:40:53 < zyp> though, I guess I can boot via usb
2012-11-04T20:41:00 < TitanMKD> zyp it's really cheap and very good ;)
2012-11-04T20:41:02 < zyp> TitanMKD, I haven't broken out quadspi.
2012-11-04T20:41:03 < emeb> SPI parts are pretty tiny.
2012-11-04T20:41:24 < zyp> I'm planning on going with LPC4357, so I'll have internal flash
2012-11-04T20:41:31 < emeb> *nod*
2012-11-04T20:41:32 < TitanMKD> nota QuadSPI could be also used as write ;)
2012-11-04T20:43:27 < TitanMKD> zyp IIRC 90° angle is not recommended for SDRAM
2012-11-04T20:43:32 < TitanMKD> it should be 45°
2012-11-04T20:44:02 < zyp> huh?
2012-11-04T20:44:13 < zyp> it is at 45°?
2012-11-04T20:44:35 < zyp> or wtf
2012-11-04T20:44:40 <+Steffanx> I think he means: http://www.naffets.nl/share//a-20121104-194433.png
2012-11-04T20:44:56 < zyp> ah
2012-11-04T20:44:57 < zyp> :p
2012-11-04T20:45:19 < zyp> they are not going to remain like that
2012-11-04T20:46:00 <+Steffanx> What's the size of the caps? 0603?
2012-11-04T20:46:06 <+Steffanx> or even 0402?
2012-11-04T20:46:06 < zyp> yep
2012-11-04T20:46:16 < zyp> 0603
2012-11-04T20:50:10 < Erlkoenig> hm, why does the F4 have two USB Interfaces, fullspeed and highspeed? wouldn't just two high-speed interfaces easier to build (copy&pasta HDL or something)?
2012-11-04T20:51:12 < emeb> because it's more fun if you have two completely different register sets. Keep coders busier.
2012-11-04T20:53:04 < TitanMKD> Erlkoenig HS requires ULPI component !!
2012-11-04T20:53:38 < Erlkoenig> requires? okay that's an argument ;)
2012-11-04T20:53:50 < zyp> nah
2012-11-04T20:54:04 < zyp> Erlkoenig, think area
2012-11-04T20:54:32 < TitanMKD> Erlkoenig which also requires 1.8V as i have never found any ULPI chipset which work with only 3.3V/5V
2012-11-04T20:54:53 < TitanMKD> Erlkoenig LPC43xx have intergated HS PHY for USB0
2012-11-04T20:54:56 < zyp> both is the same core, the FS one just have some features turned off
2012-11-04T20:55:33 < Erlkoenig> hm okay ;)
2012-11-04T20:55:56 < zyp> TitanMKD, then you haven't searched much
2012-11-04T20:56:00 < zyp> take http://www.smsc.com/index.php?pid=28&tid=143 for example
2012-11-04T20:56:01 < TitanMKD> zyp ha ?
2012-11-04T20:56:14 < zyp> «Internal 1.8 volt regulators allow operation from a single 3.3 volt supply»
2012-11-04T20:56:16 < TitanMKD> i speak about non BGA ULPI ;)
2012-11-04T20:56:32 < TitanMKD> ha yes good it's QFN
2012-11-04T20:57:20 < zyp> well, you're not going to find any ULPI PHY in DIL
2012-11-04T20:57:44 < TitanMKD> but in LQFP will be a must ;)
2012-11-04T20:57:53 < TitanMKD> as even QFN if really cheaty sometimes
2012-11-04T20:58:04 < TitanMKD> especially to solder by hand/at home
2012-11-04T20:58:16 < TitanMKD> (by hand means with hot air or hot plate of course)
2012-11-04T20:59:09 < zyp> if you can't even solder QFN, you probably shouldn't be dealing with highspeed usb :p
2012-11-04T20:59:15 < TitanMKD> zyp who this smsc chipset is very interesting
2012-11-04T20:59:45 < TitanMKD> zyp the problem is to solder them realiably on for example 10 boards ;)
2012-11-04T21:00:02 < TitanMKD> zyp as for example on 10boards and QFN32 i have about 2 boards not working
2012-11-04T21:00:32 < TitanMKD> zyp but it's with hot plate and "cheap" smt stencil
2012-11-04T21:00:34 < zyp> then you are doing something wrong
2012-11-04T21:00:51 < TitanMKD> with hot air i will say result is really better
2012-11-04T21:01:02 < TitanMKD> but too long
2012-11-04T21:01:16 < TitanMKD> and overheat the chipset
2012-11-04T21:02:06 < TitanMKD> woo really not bad the SMSC =>
2012-11-04T21:02:06 < TitanMKD> 886-USB3300-EZK
2012-11-04T21:02:13 < TitanMKD> 1.92euro/1 unit
2012-11-04T21:02:36 < TitanMKD> 100 unit /0.986euros
2012-11-04T21:05:19 < TitanMKD> it also support ESD up to 8KV
2012-11-04T21:06:04 < jpa-> "supports ESD" :D
2012-11-04T21:06:12 < TitanMKD> hehe ;)
2012-11-04T21:06:19 < TitanMKD> it resist ;)
2012-11-04T21:07:59 < Erlkoenig> gives 8kV spikes to your MCU on request via SPI!
2012-11-04T21:09:00 < TitanMKD> woo internal modes are interesting too
2012-11-04T21:09:22 < TitanMKD> in low power mode you can even read DP/DM states
2012-11-04T21:13:31 < TitanMKD> zyp have you ever tested this USB3300 ULPI chipset with any MCU ?
2012-11-04T21:13:53 < Erlkoenig> USB_OTG_EP     in_ep   [USB_OTG_MAX_TX_FIFOS];           USB_OTG_EP     out_ep  [USB_OTG_MAX_TX_FIFOS];       <-- does this make any sense? from the usb_core.h from the usb lib
2012-11-04T21:14:45 < TitanMKD> IIRC for me buffer size for in_ep = buffer size for out_ep
2012-11-04T21:14:53 < TitanMKD> at least for standard stuff
2012-11-04T21:15:03 < Erlkoenig> probably, as USB_OTG_MAX_RX_FIFOS doesn't exist... strange anyway
2012-11-04T21:25:29 < TitanMKD> woo i understand why i never see any MCU using ULPI ;) it's an other layer of code to do !!
2012-11-04T21:25:44 < TitanMKD> especially to configure the ULPI chipset
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2012-11-04T21:39:53 < zyp> TitanMKD, yes, the waveshare ulpi board is based on usb3300
2012-11-04T21:41:00 < Robint91> it the waveshare board any good?
2012-11-04T21:41:04 < Robint91> *is
2012-11-04T21:43:38 <+Steffanx> Yes
2012-11-04T21:43:56 <+Steffanx> Both dongs and zyp have it
2012-11-04T21:44:19 <+Steffanx> If dongs doesn't complain about it, it means it's REALLY good
2012-11-04T21:44:43 < Robint91> lol
2012-11-04T21:45:22 < TitanMKD> does nayone know how to launch cmake to force UNIX cmake env var to FALSE and WIN32 to TRUE ?
2012-11-04T21:45:26 < TitanMKD> anyone
2012-11-04T21:45:53 < TitanMKD> because this syntax: cmake . -DUNIX=FALSE -DWIN32=TRUE does not work
2012-11-04T21:46:04 < TitanMKD> same if i replace TRUE by 1 & FALSe by 0
2012-11-04T21:46:25 < TitanMKD> in any case UNIX is always enabled
2012-11-04T21:46:31 < TitanMKD> and WIN32 disabled/false
2012-11-04T21:46:40 < HTT-Bird> TitanMKD: launch cmake by itself and try setting it in the UI?
2012-11-04T21:46:50 < TitanMKD> in the UI ? which UI
2012-11-04T21:46:56 < TitanMKD> all is done through command line
2012-11-04T21:47:37 < HTT-Bird> cmake has a GUI
2012-11-04T21:47:51 < TitanMKD> not mine
2012-11-04T21:55:10 < Tectu> wtf who needs a GUI for a build system?
2012-11-04T21:55:37 < BrainDamage> to see all the options
2012-11-04T21:55:55 < BrainDamage> which is actually not a bad idea at all
2012-11-04T21:56:20 < BrainDamage> also ccmake is a curses "gui"
2012-11-04T21:56:25 < BrainDamage> which is often good enough
2012-11-04T22:03:18 < Tectu> anyone got a working soft PWM (for driving servos) ?
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2012-11-04T22:05:26 < Erlkoenig> i got a working hard PWM for servos :P
2012-11-04T22:05:43 < Tectu> yes, me as well :D
2012-11-04T22:06:07 < Erlkoenig> who needs soft pwm when having a F4 with countless PWM channels? :D
2012-11-04T22:07:52 < Tectu> someone who has a development board where the only free pins are some FSMC shit
2012-11-04T22:08:06 < Tectu> I got 4 free TIM pins, but need 6 :D
2012-11-04T22:17:59 < Laurenceb> FALSE and WIN32 to TRUE?
2012-11-04T22:18:05 < Laurenceb> wont that cause the end of the universe
2012-11-04T22:19:00 <+Steffanx> There's no need to care about that
2012-11-04T22:19:13 <+Steffanx> No one will ever know
2012-11-04T22:25:08 < jpa-> Tectu: if you have a lot of RAM, it's quite easy by just writing with DMA to GPIO->ODR
2012-11-04T22:25:25 < jpa-> (a lot = 2kB or so)
2012-11-04T22:25:59 < Tectu> hmm
2012-11-04T22:26:03 < Tectu> interesting
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2012-11-04T22:45:39 < Erlkoenig> why does ld show undefined references when nm clearly shows the "missing" symbols are defined in .o files supplied to ld :(
2012-11-04T22:49:30 < zippe> Erlkoenig: Link ordering
2012-11-04T22:49:43 < Erlkoenig> what's that?
2012-11-04T22:50:04 < zippe> ld considers things on the link line in order
2012-11-04T22:50:21 < zippe> e.g. if you have two .a's
2012-11-04T22:50:38 < zippe> hmm, better, here's a more concrete example
2012-11-04T22:50:43 < zippe> foo.o bar.a baz.a
2012-11-04T22:51:22 < zippe> Assume foo.o references a symbol in an object in baz.a, and that object has undefined symbols that would come from an object in bar.a
2012-11-04T22:51:47 < zippe> Your link will fail because ld won't go back up the link line looking for objects
2012-11-04T22:52:28 < zippe> As for your actual problem, harder to say
2012-11-04T22:53:18 < Erlkoenig> hm i have e.g. USBD_GetString in test/usbd_req.o,  i have a main.o that references the function, when calling: "g++ test/usbd_req.o main.o" or "g++ main.o test/usbd_req.o" i always get the error  "undefined reference to `USBD_GetString" :(
2012-11-04T22:53:24 < Erlkoenig> err, arm-none-eabi-g++
2012-11-04T22:55:06 < TitanMKD> Erlkoenig you have probably inverse dependency
2012-11-04T22:55:38 < TitanMKD> Erlkoenig for example if a liba requires libb and libb requires liba this error will happen
2012-11-04T22:56:13 < Erlkoenig> hm, unfortunately ST's libs are written to depend on the user code, and the user code obviously depends on the library
2012-11-04T22:56:41 < Erlkoenig> but this also happens with "innocent" functions such as TIM_Cmd
2012-11-04T22:56:58 < TitanMKD> yes so you need a syntax in gcc linker to avoid such error
2012-11-04T22:57:57 < TitanMKD> the problem happen just for library in fact
2012-11-04T22:58:25 < Erlkoenig> hm. is there some understandably doc on that?
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2012-11-04T22:58:40 < TitanMKD> yes wait i give you the syntax to manage that by the ld
2012-11-04T22:59:15 < Erlkoenig> hm in fact i'm not calling "ld" directly but by calling "g++"
2012-11-04T22:59:21 < TitanMKD> yes
2012-11-04T22:59:39 < TitanMKD> it's LDFLAGS in fact
2012-11-04T23:00:17 < TitanMKD> try that
2012-11-04T23:00:26 < TitanMKD> gcc -Wl,--start-group <obj or archive files> -Wl,--end-group
2012-11-04T23:00:56 < TitanMKD> it will fix such problem
2012-11-04T23:01:16 < TitanMKD> and you can have liba with dependency with libb and libb with dependency with liba
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2012-11-04T23:03:54 < Erlkoenig> ooh actually works
2012-11-04T23:04:03 < Erlkoenig> thank you a lot
2012-11-04T23:04:09 < TitanMKD> hehe no problem ;)
2012-11-04T23:04:15 < TitanMKD> it's a common problem
2012-11-04T23:04:36 < TitanMKD> anyway that means library dependency is not very good ;)
2012-11-04T23:04:43 < Erlkoenig> tell that to ST...
2012-11-04T23:05:10 < TitanMKD> I have never say ST do good code
2012-11-04T23:05:21 < TitanMKD> it's just test code
2012-11-04T23:05:24 < Erlkoenig> but i often have multiple .o files depend on each other within one project, and that never caused problems, hmm
2012-11-04T23:05:40 < TitanMKD> .o does not do this problem in fact
2012-11-04T23:05:50 < TitanMKD> the problem is with lib ;)
2012-11-04T23:06:01 < TitanMKD> as gcc does not rescan the object in the library and forget it
2012-11-04T23:06:22 < TitanMKD> and this group stuff force gcc to rescan all lib for the object ...
2012-11-04T23:06:34 < Erlkoenig> uhm but but
2012-11-04T23:06:46 < Erlkoenig> for testing i unpacked my .a file so i only had .o files, and that still didn't work
2012-11-04T23:07:53 < Erlkoenig> waitwhat
2012-11-04T23:08:00 < Erlkoenig> tried to do that again - works
2012-11-04T23:08:06 < Erlkoenig> very confusing
2012-11-04T23:08:07 < Erlkoenig> O_o
2012-11-04T23:10:57 < TitanMKD> anyway in the example they also speak about obj
2012-11-04T23:38:22 < zippe> Erlkoenig: are you sure that you're compiling your code as C and not C++
2012-11-04T23:38:50 < Erlkoenig> hu? i am compiling some code as C, and some as C++
2012-11-04T23:39:05 < zippe> Ok, so make sure that any C++ code you want to call from C is extern "C" 'ed
2012-11-04T23:40:23 < zippe> Erlkoenig: linking handles .o and .a files differently
2012-11-04T23:40:24 < Erlkoenig> yup it is... thanks to Titan it works now with --start-group
2012-11-04T23:41:13 < zippe> when you list .o files, you are saying to the linker "put all these together".  When you list a .a file, you say to the linker "when you get to this point in the link, if you have unresolved symbols, check all these .o files and add any that would resolve those symbols"
2012-11-04T23:41:29 < zippe> Any .o in the .a that doesn't provide a known-unresolved symbol is ignored
2012-11-04T23:42:06 < zippe> the start-group/end-group approach is basically a loop that says "if you added more .o files last time through, go back to the start of the group and repeat"
2012-11-04T23:42:11 < Erlkoenig> yes, i got it
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--- Day changed Mon Nov 05 2012
2012-11-05T00:03:56 < zippe> Blegh
2012-11-05T00:04:16 < zippe> Why am I getting nothing on TIM2_CH1_ETR?  Something must think ETR is enabled
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2012-11-05T00:35:05 < upgrdman> zippe, are you trying to clock a counter with the waveform on the ETR?
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2012-11-05T00:40:34 < zippe> No, I'm trying to use TIM2_CH1 as an output
2012-11-05T00:41:37 < zippe> The other channels on TIM2 are working, but CH1 isn't giving me any joy
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2012-11-05T00:49:06 < upgrdman> i probably can't help. :( i assume the appropriate gpio clock is enabled?
2012-11-05T00:49:16 < upgrdman> and AF set
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2012-11-05T00:54:03 < zippe> Yeah; the other channels are OK and I believe the AF stuff is all correct
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2012-11-05T01:01:24 < dongs> sup trolls
2012-11-05T01:02:20 < emeb> yo dongs
2012-11-05T01:02:50 < emeb> making progress on the led board
2012-11-05T01:03:24 < emeb> looks like one of the my9221 drivers is cooked tho
2012-11-05T01:10:35 -!- TitanMKD [Titan@chl26-1-88-183-104-56.fbx.proxad.net] has quit []
2012-11-05T01:16:38 < dongs> you failed the solder?
2012-11-05T01:16:46 < dongs> good thing you got some extra heh
2012-11-05T01:17:12 < emeb> seems that way.
2012-11-05T01:17:23 < emeb> unfortunately it's the 1st one in the chain.
2012-11-05T01:18:23 < emeb> I can see DI and DCKI, but DO and DCKO are both constant hi.
2012-11-05T01:18:36 < emeb> and GCKO is not oscillating.
2012-11-05T01:19:07 < dongs> oh!
2012-11-05T01:19:08 < dongs> uh
2012-11-05T01:19:11 < dongs> did you solder bridge
2012-11-05T01:19:13 < dongs> the MCO
2012-11-05T01:19:14 < dongs> to GND
2012-11-05T01:19:19 < emeb> no
2012-11-05T01:19:22 < dongs> you should.
2012-11-05T01:19:28 < dongs> the 3 way solder bridge
2012-11-05T01:19:30 < dongs> near USB
2012-11-05T01:19:36 < dongs> MXO * PD
2012-11-05T01:19:37 < emeb> yeah - I know which one.
2012-11-05T01:19:51 < emeb> Looked at your picture and it wasn't bridged.
2012-11-05T01:19:56 < dongs> was too
2012-11-05T01:20:04 < dongs> unless I took the pic before I bridged them all
2012-11-05T01:20:09 < emeb> prolly
2012-11-05T01:20:13 < dongs> :(
2012-11-05T01:20:26 < emeb> give that a shot before I get out the gun...
2012-11-05T01:24:43 < emeb> well now - different behavior.
2012-11-05T01:24:53 < dongs> :)
2012-11-05T01:25:04 < dongs> try running it off 3.3V for proper work
2012-11-05T01:25:20 < dongs> unless y ou wanna reroute vcc for the drivers from 5V to 3V
2012-11-05T01:25:30 < emeb> yeah - cut the 5V trace to the my9221 chips and blue-wired to 3.3V
2012-11-05T01:25:37 < dongs> oh, cool
2012-11-05T01:25:54 < dongs> i can do that but I will need to desolder 32 pins of led array first :p
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2012-11-05T01:26:08 < emeb> different behavior now: DO is hi, DCKO is lo and GCKO is pulsing low slowly.
2012-11-05T01:26:22 < emeb> 5V trace is on component side.
2012-11-05T01:27:02 < emeb> there's a via near the buffer chip that runs E/W near top of my9221 chips.
2012-11-05T01:27:37 < emeb> I cut between that via and pin 24 of U3
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2012-11-05T01:34:33 < zippe> flyback: was there anything other than filler after the original main arc ended?
2012-11-05T01:34:46 < zippe> I stopped caring because it went from marginal to really crap
2012-11-05T01:35:13 < Erlkoenig> hmm STM32F4 gets warm slowly when being used as an USB-FS Device and connected to an USB Host...
2012-11-05T01:35:26 < zippe> I'm having much more fun with Bakamonogetari and SAO
2012-11-05T01:35:48 < zippe> flyback: crunchyroll
2012-11-05T01:36:11 < zippe> Hulu have some interesting stuff, but the ads drive me insane.
2012-11-05T01:36:45 < dongs> Erlkoenig: you muyst be doing somethign wrong lol
2012-11-05T01:37:26 < zippe> I'm generally not much of a fan of the whole fight genre; just too stupid
2012-11-05T01:37:44 < Erlkoenig> dongs: probably. maybe one interrupt gets fired infinitely or something
2012-11-05T01:37:46 < zippe> Yeah; someone has to get paid or they won't be making it
2012-11-05T01:38:10 < zippe> flyback: heh.   Darker than Black is also pretty good.
2012-11-05T01:38:18 < dongs> all anniemay sucks
2012-11-05T01:38:49 < zippe> Yes, canon for me ended with the first.
2012-11-05T01:38:53 < dongs> anything > 12 episodes also sucks dick
2012-11-05T01:39:12 < dongs> last thing moderately interesting that i watched was tokyo magnitude 8
2012-11-05T01:39:13 < zippe> I assume you've seen Baccano/Durarara then?
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2012-11-05T01:40:31 < dongs> sorry; that was my troll translation. the original jap was apologizing profusely.
2012-11-05T01:41:46 < zippe> some?
2012-11-05T01:42:09 < zippe> My current dose of happy loli wtf is Girls und Panzer
2012-11-05T01:43:35 < zippe> Surprisingly, actually.
2012-11-05T01:43:47 < zippe> I was prepared for it to be a straight pre-teen thing based on the style
2012-11-05T01:43:56 < zippe> But it played out quite well
2012-11-05T01:44:49 < zippe> No; seen a lot of people raving about it, but the premise never did anything for me
2012-11-05T01:47:46 < emeb> dongs: success!
2012-11-05T01:48:08 < emeb> just had to reflow a few pins on IC2
2012-11-05T01:50:21 < zippe> Heh
2012-11-05T01:50:21 < Erlkoenig> is it correct that USB is not supposed to transfer packets, but a continuous stream of bytes? I.e. there's no mechanism to "transfer a piece of N bytes" and then receive exactly these N bytes within one callback function - in worst case, the callback might get called for each single byte, and i have to rebuild the string of N bytes - just like when using TCP and the nonblocking socket API on Unix?
2012-11-05T01:50:28 < zippe> So, the OP clip - totally not my thing
2012-11-05T01:50:41 < zippe> Erlkoenig: no, USB is entirely frame-based
2012-11-05T01:50:59 < Erlkoenig> as is IP, but the user application only sees a "byte stream"
2012-11-05T01:51:00 < zippe> Erlkoenig: but you can transfer less than a full frame worth of data
2012-11-05T01:51:12 < zippe> Erlkoenig: there is no standardised "user application" interface to USB
2012-11-05T01:51:27 < zippe> Erlkoenig: there are a number of standardised USB protocols layered on top of the basic transport
2012-11-05T01:51:35 < zippe> Some are block based, e.g. RBC
2012-11-05T01:51:46 < zippe> Others are byte streams, e.g. CDC-ACM
2012-11-05T01:52:03 < zippe> yet more are packet based, e.g. CDC networking
2012-11-05T01:52:26 < zippe> Think of USB as being vaguely analogous to ethernet
2012-11-05T01:52:41 < zyp> Erlkoenig, you are wrong, IP is not a byte stream
2012-11-05T01:53:03 < zyp> Erlkoenig, TCP is a byte stream, UDP is still a frame transport
2012-11-05T01:53:03 < Erlkoenig> zyp: the application "sees" it as a byte stream, when using read() and select()
2012-11-05T01:53:17 < Erlkoenig> while the actual implementation of course uses packets
2012-11-05T01:53:49 < Erlkoenig> assuming i want to use libusb on the PC side and the ST USB Library on the F4 as a device, can i e.g. send a packet of 12 bytes from the PC and then receive exactly that packet unfragmented as a whole in my "used code" on the F4?
2012-11-05T01:53:58 < Erlkoenig> *user code
2012-11-05T01:53:59 < zyp> sure
2012-11-05T01:55:13 < Erlkoenig> it looks like the USBD_Class_cb_TypeDef::DataOut callback gets called whenever "any" data is available (e.g. 7 of the 12 bytes). how to get it to call my code when exactly 12 were received, and give me a char* where those 12 bytes are to be found?
2012-11-05T01:55:21 < zyp> USB is fully frame based, but some layer on top of that like CDC ACM is using that to do a byte stream in a manner similar to how TCP is making a byte stream on top of IP
2012-11-05T01:58:16 < Erlkoenig> zyp: that's nice... but TCP/IP packets might get fragmented on their way, so the receiving state machine has to re-combine them. is this the case for USB too or can i get around recombining packets?
2012-11-05T01:59:34 < zyp> you have a max packet size for each endpoint, and if you want to transfer frames larger than MPS you have to split it across several packets
2012-11-05T01:59:54 < Erlkoenig> yup, but my desired packet size is much less then the MPS
2012-11-05T02:00:17 < zyp> then you send it as a single packet
2012-11-05T02:01:21 < zyp> usb transfers usually works like that every transfer is terminated by a non-MPS sized packet
2012-11-05T02:02:16 < zyp> so if you want to send a frame >= MPS, then you send a number of MPS sized packets first, and then a non-MPS sized packet
2012-11-05T02:04:00 < zyp> http://cgit.jvnv.net/laks/tree/usb/generic.h#n74 <- see my get_descriptor implementation for a practical example of this
2012-11-05T02:04:12 < Erlkoenig> so when using libusb_bulk_transfer to send my N bytes, i can be sure that USBD_Class_cb_TypeDef::DataOut will always be called with those N bytes found in USB_OTG_CORE_HANDLE::dev.out_ep [epnum].xfer_buf , as long as N <= MPS?
2012-11-05T02:04:41 < zyp> say N < MPS
2012-11-05T02:04:58 < zyp> if N == MPS you will get a zero length packet to terminate the frame
2012-11-05T02:05:04 < Erlkoenig> ah okay
2012-11-05T02:05:16 < Erlkoenig> ooh you wrote your completely own usb lib just based on the HW register set?
2012-11-05T02:05:24 < zyp> yes
2012-11-05T02:05:34 < Erlkoenig> amazing
2012-11-05T02:05:44 < Erlkoenig> sounds like a braindamaging lot of work
2012-11-05T02:06:08 < zyp> or a lot of fun, depending on how you see it, I do this just for fun
2012-11-05T02:09:49 < Erlkoenig> hm okay ;) ... i want my usb device to "just work™" so i'd like to offload the lowlevel usb stuff to some library...
2012-11-05T02:13:59 < zyp> I'm hoping my library will come to that point sooner or later
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2012-11-05T02:14:10 < zyp> but currently it's very experimental
2012-11-05T02:14:25 < dongs> emeb: nice
2012-11-05T02:14:32 < dongs> emeb: is it working off 5V properly?
2012-11-05T02:14:39 < dongs> or rather 3.3V
2012-11-05T02:14:52 < Erlkoenig> zyp: be sure to tell us when it's "stable" ;-)
2012-11-05T02:15:46 < emeb> dongs: works fine off 5V w/ the my9221 running from the LDO.
2012-11-05T02:15:55 < dongs> excellent.
2012-11-05T02:15:58 < dongs> ill fix that in the layout
2012-11-05T02:16:04 < emeb> good idea
2012-11-05T02:16:11 < emeb> Oh - bug in the sores
2012-11-05T02:16:20 < dongs> not too surprised there
2012-11-05T02:16:33 < emeb> the font writing routine draws pixels outside the screen array
2012-11-05T02:16:38 < dongs> yeah i know
2012-11-05T02:16:47 < dongs> it used to hardfault until I made it draw shit a bit closer
2012-11-05T02:16:48 < emeb> stomped on the uS counter
2012-11-05T02:16:53 < dongs> right heh
2012-11-05T02:17:01 < dongs> didnt care, that was jsut a hack anyway
2012-11-05T02:17:27 < emeb> I just wrapped a if(x<8 && y<8) around the setpixel routine. Fixed.
2012-11-05T02:17:32 < dongs> yep.
2012-11-05T02:18:20 < emeb> trying to make the font scrolling nicer now - coding up some l/r/u/d shifts of the screen.
2012-11-05T02:18:40 < emeb> preserves the previous contents instead of blanking...
2012-11-05T02:19:12 < dongs> http://i.imgur.com/fCBaH.jpg
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2012-11-05T02:27:06 < zippe> dongs: fanboy
2012-11-05T02:27:58 < zippe> dongs: more relevant pictures:
2012-11-05T02:27:59 < zippe> http://www.asymco.com/2012/05/03/the-phone-market-in-2012-a-tale-of-two-disruptions/
2012-11-05T02:40:47 < dongs> too many numbers
2012-11-05T02:40:50 < dongs> hard to understand
2012-11-05T02:40:58 < dongs> need tl-dr version
2012-11-05T02:41:04 < zippe> And while you're at it, look at the PC market; who's making all the money there (and the only vendor to consistently grow both market and profit share for the last three years).
2012-11-05T02:41:15 < dongs> who? I dont know. microsoft?
2012-11-05T02:41:19 < zippe> tl;dr - you're missing the point
2012-11-05T02:41:36 < zyp> «facts - hard to accept»?
2012-11-05T02:42:11 < zippe> dongs: there are lots of really good reasons to criticise the fruit company.  "They are losing in the marketplace" is not one of them.
2012-11-05T02:46:45 < Erlkoenig> i heard a great argument for patents: they ensure consumers get quality products. assuming only apple made smartphones (because they managed to forbid it for everyone else using patents) , everyone would get the best product possible. It's just like with cheap china screwdrivers - if the western quality manufacturers could stop them from selling their cheap bad stuff, you could be sure to ne supplied with quality products.
2012-11-05T02:47:48 < zippe> Erlkoenig: that's the same logic that says we should kill ugly babies because then everyone would be beautiful
2012-11-05T02:48:02 < zippe> it presupposes the ability to discern outcomes from origins
2012-11-05T02:48:06 < Erlkoenig> makes sense, doesn't it? :D
2012-11-05T02:49:42 < dongs> zyp, does zynq come in anything other than 0.4mm pitch BGA
2012-11-05T02:49:57 < Erlkoenig> also DIP-28 specially for you
2012-11-05T02:50:11 < zyp> dongs, no idea
2012-11-05T02:50:33 < zyp> I expect mine to come soldered to a board, so I haven't cared checking
2012-11-05T02:51:34 < emeb> zyp: you've got a zynq?
2012-11-05T02:52:08 < zyp> I'm referring to the one on the parallella board I'll probably get in 2017
2012-11-05T02:52:21 < emeb> Aha. Fingers crossed! :)
2012-11-05T02:52:22 < BrainDamage> enphasis on the probably
2012-11-05T02:54:34  * emeb has fun playing with colors on the AfroLED board...
2012-11-05T02:56:37 < dongs> where's dem pix
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2012-11-05T03:01:50 < emeb> dongs: coming up...
2012-11-05T03:11:26 < emeb> http://i.imgur.com/fBey0.jpg
2012-11-05T03:11:38 < emeb> http://i.imgur.com/ke3i3.jpg
2012-11-05T03:13:34 < Erlkoenig> is that "black sphere" thingy a programmer?
2012-11-05T03:14:51 < emeb> yep - BMPM
2012-11-05T03:14:59 < dongs> emeb: not bnad
2012-11-05T03:15:03 < dongs> bad
2012-11-05T03:15:17 < emeb> don't have to send me back to soldering school?
2012-11-05T03:17:25 < dongs> not like tom66 soldering school
2012-11-05T03:18:30 < dongs> http://static.rcgroups.net/forums/attachments/3/2/4/0/5/7/a4254708-244-DSCN6452.jpg tom66 soldering school
2012-11-05T03:18:51 < zyp> also tom66 photography school
2012-11-05T03:18:56 < qyx_> omg
2012-11-05T03:18:57 < dongs> well yeah.
2012-11-05T03:19:01 < dongs> sorry he doesnt have an iphone, zyp
2012-11-05T03:19:19 < dongs> http://static.rcgroups.net/forums/attachments/3/2/4/0/5/7/a4260564-117-DSCN6478.JPG heres some better shots
2012-11-05T03:19:37 < zyp> «better»
2012-11-05T03:19:53 < zyp> the photo is still almost as fail as his soldering
2012-11-05T03:19:56 < dongs> http://static.rcgroups.net/forums/attachments/3/2/4/0/5/7/a4317892-205-Screenshot-tvtime%3A%20participaction%2C%20keep%20fit%20and%20have%20fun.jpg here's the perp
2012-11-05T03:20:25 < Erlkoenig> nerd in jails?
2012-11-05T03:21:17 < dongs> http://static.rcgroups.net/forums/attachments/3/2/4/0/5/7/a4654020-175-DSCN7353.JPG he couldnt figure out why this DC/DC converter didnt work
2012-11-05T03:21:40 < dongs> http://static.rcgroups.net/forums/attachments/3/2/4/0/5/7/a4905920-1-DSCN7690.JPG or this one
2012-11-05T03:22:31 < BrainDamage> did he attach things with glue in the last pic?
2012-11-05T03:23:11 < dongs> *no* idea
2012-11-05T03:24:15 < qyx_> maybe he just used different flux
2012-11-05T03:24:21 < emeb> looks like dried flux
2012-11-05T03:25:08 < dongs> this guy managed to run a kickstarter
2012-11-05T03:25:13 < dongs> and suck around 1.8k from people
2012-11-05T03:25:15 < dongs> .. 2 yuears ago
2012-11-05T03:25:18 < dongs> still havent delivered anything
2012-11-05T03:25:19 < qyx_> reminds me i should pick up my new favorite smps controller
2012-11-05T03:25:32 < qyx_> l5973d has big package
2012-11-05T03:27:48 < emeb> dongs: so now I need to build up a second board and figure out chaining. :P
2012-11-05T03:27:57 < Erlkoenig> dongs: what did he want to make?
2012-11-05T03:28:38 < upgrdman> lol @ those rcg photos. damn that bad
2012-11-05T03:32:26 < upgrdman> i've seen some people twist their wires to try and reduce interference. what does that do? slightly increase the parasitic inductance to slightly resist changes in current flow?
2012-11-05T03:35:39 < emeb> not really the inductance per-se.
2012-11-05T03:36:14 < upgrdman> what does it so per-se?
2012-11-05T03:36:26 < emeb> tighter twists changes the impedance of the effective transmission line.
2012-11-05T03:37:18 < emeb> different twists/inch can also change the radiated field.
2012-11-05T03:37:40 < emeb> eg - ethernet cables have different twists/inch on the various pairs to prevent crosstalk on long runs.
2012-11-05T03:38:18 < upgrdman> ok
2012-11-05T03:38:19 < dongs> zyp, does calibrating Z axis on accel/etc as 1G give any trouble when working upside down?
2012-11-05T03:38:21 < emeb> but most people just twist to keep pairs together.
2012-11-05T03:38:45 < dongs> i.e. confusing trig because Z becomes zero or close to it
2012-11-05T03:38:58 < zyp> what do you mean?
2012-11-05T03:40:06 < zyp> swapping the sign of z axis?
2012-11-05T03:40:18 < dongs> yeah
2012-11-05T03:40:27 < dongs> like how does it know its upside down?
2012-11-05T03:40:30 < dongs> or do I not need to care?
2012-11-05T03:40:39 < zyp> huh?
2012-11-05T03:40:44 < qyx_> waht?
2012-11-05T03:40:52 < zyp> I'm not sure what you are asking?
2012-11-05T03:41:51 < zyp> swapping the sign of only one axis will turn a right handed coordinate system into a left handed one
2012-11-05T03:42:36 < dongs> but like
2012-11-05T03:42:44 < dongs> when 'level" X/Y are clsoe to zero
2012-11-05T03:42:46 < dongs> Z is at 1G
2012-11-05T03:43:20 < dongs> upside down, Z will be at -1G but beacuse the offset is counted as 1G, it'll be at like zero
2012-11-05T03:43:24 < dongs> does that fuck anything up?
2012-11-05T03:43:53 < zyp> just for calibration purposes?
2012-11-05T03:44:00 < dongs> for calculation purposes
2012-11-05T03:44:23 < zyp> calculation of what
2012-11-05T03:44:28 < dongs> angle
2012-11-05T03:44:32 < dongs> like atan2() etc.
2012-11-05T03:44:57 < zyp> ok
2012-11-05T03:44:59 < zyp> depends
2012-11-05T03:45:55 < zyp> for some stuff sign doesn't matter, and for other stuff sign is propagated through and may cause mess later
2012-11-05T03:45:57 < dongs> I guess I should *not* take out 1G offset when calibrating on level right?
2012-11-05T03:46:45 < zyp> acceleration when at a steady state should always be 1g in some direction
2012-11-05T03:47:04 < zyp> subject to local value of g, of course
2012-11-05T03:47:47 < dongs> when tilted, teh sum of X+Y+Z should be 1g? or am I failing basic understanding of stuff
2012-11-05T03:48:16 < zyp> not sum, length of vector
2012-11-05T03:48:35 < zyp> i.e. sqrt(x**2 + y**2 + z**2)
2012-11-05T03:49:05 < dongs> okay
2012-11-05T03:49:27 < dongs> hm, my stellaris fedex box is here.
2012-11-05T03:53:30 < dongs> http://i.imgur.com/un2P3.jpg
2012-11-05T03:55:51 < zyp> nice
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2012-11-05T03:56:27 < dongs> default demo cycles hsv colors through the led
2012-11-05T03:56:37 < dongs> debugger needs a driver
2012-11-05T03:56:43 < dongs> whty the fuck didnt they just use jlinkOB or something
2012-11-05T03:57:12 < zyp> hmm
2012-11-05T03:57:15 < zyp> «Status: Waiting to Ship»
2012-11-05T03:57:21 < zyp> still taking their time with mine
2012-11-05T03:57:27 < zyp> didn't we order at the same time?
2012-11-05T03:57:30 < dongs> i ordered mine same day
2012-11-05T03:57:34 < dongs> as it was blogged about
2012-11-05T03:57:39 < dongs> then the date got pushed back like a month
2012-11-05T03:57:44 < zyp> «Order Date:9/5/2012 11:33 AM»
2012-11-05T03:57:56 < dongs> lets see
2012-11-05T03:58:11 < dongs> Ordered on:9/2/2012 7:08:43 AM
2012-11-05T03:58:56 < zyp> hmm, estimated shipping date is 16. nov
2012-11-05T03:59:16 < dongs> i suspect a bunch of nerds ordered a lot in 3 days
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2012-11-05T03:59:42 < zyp> oh well
2012-11-05T03:59:48 < zyp> at least I got the f3discovery fast :p
2012-11-05T03:59:57 < dongs> ;d
2012-11-05T04:02:01 < dongs> the RGB led they used must have cost half the price of the board
2012-11-05T04:02:09 < dongs> its like 1.5mm^2
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2012-11-05T04:03:28 < dongs> ugh i gotta assemble some shit
2012-11-05T04:03:28 < zyp> sounds like the one I used on my uni project
2012-11-05T04:03:55 < dongs> hmm verical has parts I need and takes paypal
2012-11-05T04:04:04 < dongs> fuck yeah
2012-11-05T04:04:39 < dongs> $577 :|
2012-11-05T04:07:38 < dongs> 19 chips for $620 shipped, fuck america
2012-11-05T04:08:21 < dongs> bought the last of htem thou.
2012-11-05T04:08:46 < emeb_mac> thems some $$ chips
2012-11-05T04:08:54 < dongs> thats a deal actually
2012-11-05T04:08:58 < dongs> apparently they're $50/ea elsewhere
2012-11-05T04:09:10 < dongs> some gennum shit I need
2012-11-05T04:09:21 < dongs> last time i ordered from AVNet and had to pay with real money
2012-11-05T04:09:38 < emeb_mac> what are they?
2012-11-05T04:09:49 < dongs> ASI serdes stuff
2012-11-05T04:10:04 < qyx_> last time i saw some nice 32bit delta/sigma adc stuff
2012-11-05T04:10:07 < qyx_> for ~100e each
2012-11-05T04:16:08 < dongs> funtimes
2012-11-05T04:21:12 < upgrdman> are there any tutorials that explain how/why about the linker script and startup code for an mcu?
2012-11-05T04:21:19 < dongs> http://www.digikey.com/product-detail/en/GQM1885C2AR50CB01D/490-3551-1-ND/789551 most expensive cap ever
2012-11-05T04:21:30 < dongs> or rather, most expensve AIR ever.
2012-11-05T04:22:01 < upgrdman> 0.5pF...damn
2012-11-05T04:22:15 < qyx_> O.5pf?
2012-11-05T04:22:33 < upgrdman> Series	GQM
2012-11-05T04:22:33 < upgrdman> Capacitance	0.50pF
2012-11-05T04:22:33 < upgrdman> Voltage - Rated	100V
2012-11-05T04:22:45 < upgrdman> dongs' link
2012-11-05T04:22:49 < qyx_> i see
2012-11-05T04:23:36 < upgrdman> could you just run some traces next to each other for half a pF
2012-11-05T04:23:45 < dongs> exactly
2012-11-05T04:23:45 < upgrdman> couldnt*
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2012-11-05T05:51:30 < BrainDamage> "SpeedEvil: i saw http://www.b3tards.com/u/e9a0150312f9f43986ad/spider-goat.gif and thought of flyback"
2012-11-05T05:51:39 < BrainDamage> also relevant for dongs
2012-11-05T05:58:11 < emeb_mac> ha!
2012-11-05T06:04:58 < zippe> upgrdman: surprisingly hard to get reliable results there over temperature/moisture
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2012-11-05T06:05:29 < zippe> upgrdman: you'd normally be using something like that on a ceramic MCM
2012-11-05T06:05:57 < zippe> Using two parallel traces would give you inductive coupling as well, would be badness.
2012-11-05T06:06:35 < upgrdman> mcm?
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2012-11-05T06:08:33 < zippe> multi-component module
2012-11-05T06:09:50 < zippe> e.g. ceramic or teflon microstrip
2012-11-05T06:11:52 < upgrdman> how would a cap do it while min'ing inductance?
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2012-11-05T06:34:12 < dongs> anyone buying up Sharp stock??
2012-11-05T06:34:16 -!- l4cr0ss [~lacro$$@72.37.242.43] has joined ##stm32
2012-11-05T06:39:00 < l4cr0ss> question about stm32l-discovery board: does the board toggle between power input/output on EXT_3V and EXT_5V by checking if there is a connection on P1/P2 (located directly underneath aforementioned 3v and 5v pins)? Seems to be so according to the data sheet, but I was under the impression that these pins on the underside of the board were just there to allow easy connection to a breadboard?
2012-11-05T06:43:16 < dongs> did you look at schematic?
2012-11-05T06:43:17 < dongs> link to it.
2012-11-05T06:44:00 < l4cr0ss> http://www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERATURE/USER_MANUAL/DM00027954.pdf
2012-11-05T06:44:14 < l4cr0ss> page 16
2012-11-05T06:44:59 < l4cr0ss> diagram of front on page 9, back page 10
2012-11-05T06:45:02 < l4cr0ss> top/bottom
2012-11-05T06:58:38 < dongs> ext5V looks like goes to regular 5Vthrough a diode or whatever
2012-11-05T07:00:49 < dongs> ds2: boards out tomomrrow. will have pics + send
2012-11-05T07:02:30 < l4cr0ss> oh, so power goes in the top, through a diode, then out the bottom?
2012-11-05T07:03:27 < dongs> look on page 29
2012-11-05T07:03:32 < dongs> ext5v and 3v
2012-11-05T07:03:45 < dongs> basically all the ext shit headers go through a diode
2012-11-05T07:03:52 < dongs> so you can either feed externally or from built in power sources
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2012-11-05T07:06:48 < l4cr0ss> nice
2012-11-05T07:06:49 < l4cr0ss> i see it
2012-11-05T07:06:50 < l4cr0ss> thanks
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2012-11-05T07:16:03 < ds2> ok, thanks
2012-11-05T07:16:48 < emeb_mac> ds2: thanks for what?
2012-11-05T07:26:51 < ds2> emeb_mac: quick turn around from Dong
2012-11-05T07:27:11 < emeb_mac> got boards?
2012-11-05T07:27:28 < dongs> no, they will be made, he will have the end of week thou
2012-11-05T07:27:47 < dongs> a batch of shit got done today but his stuff wasnt in it. so tomororw.
2012-11-05T07:27:55 < emeb_mac> well, if they're anything like the ledboards it's good stuff.
2012-11-05T07:27:57 < ds2> that's fine
2012-11-05T07:28:03 < ds2> got other stuff I am waiting on
2012-11-05T07:28:03 < dongs> emeb_mac: its even better, since higher spec
2012-11-05T07:29:03 < emeb_mac> dongs:
2012-11-05T07:29:27 < emeb_mac> ran the ledboards with lots of pixels on for a while
2012-11-05T07:29:43 < ds2> emeb_mac: are they SMD or through hole?
2012-11-05T07:29:44 < emeb_mac> didn't notice the my9221 getting particularly warm tho.
2012-11-05T07:30:05 < dongs> emeb_mac: i wonder if thats because the VCC is 3.3
2012-11-05T07:30:11 < dongs> i will ahve to do that surgery on mine
2012-11-05T07:30:15 < dongs> was that cut on top the only one needed?
2012-11-05T07:30:19 < emeb_mac> ds2: they're combo. all semiconductors are smd. connectors are th
2012-11-05T07:30:37 < emeb_mac> dongs: yeah - just that one cut + jumper
2012-11-05T07:30:54 < dongs> http://i.imgur.com/8E03B.jpg maybe i dont have to desolder LCD then
2012-11-05T07:31:28 < emeb_mac> dongs: absolutely
2012-11-05T07:31:44 < emeb_mac> I did that mod while the array was still on the back.
2012-11-05T07:31:59 < emeb_mac> mine is socketed tho - used a 40-pin machined socket cut down.
2012-11-05T07:33:59 < dongs> i totally forgot, bla.
2012-11-05T07:34:16 < dongs> but at least  I expected having to remove it at some point so I used leaded solder
2012-11-05T07:34:26 < dongs> so I might be able to get it out with some wick
2012-11-05T07:35:10 < emeb_mac> sounds challenging tho.
2012-11-05T07:35:28 < emeb_mac> maybe hot air? don't know how that would work.
2012-11-05T07:37:34 < dongs> depends how bored i am. way too much shit to deal with anyway besides this. and since i dont need to take off led to do 5v/3.3v shit i mighjt just leave it on there
2012-11-05T07:39:38 < emeb_mac> yeah.
2012-11-05T07:40:02 < emeb_mac> height won't match up with socketed ones in a chain, but you've got plenty more.
2012-11-05T07:42:31 < dongs> http://i.imgur.com/Wx91Z.jpg
2012-11-05T07:43:44 < emeb_mac> yeah, that's science alright.
2012-11-05T07:43:47 < dongs> i could get a masters degree in that shit.
2012-11-05T07:44:28 < emeb_mac> "Intelligence for Dummies" in easy-to-swallow bite-sized pieces.
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2012-11-05T09:08:22 < zyp> I fixed a bad usb connector yesterday
2012-11-05T09:08:54 < zyp> it was the same pth kind that dongs loves
2012-11-05T09:09:48 < zyp> and sure, the connection with the board was still good
2012-11-05T09:10:12 < zyp> but the connector itself was worn out
2012-11-05T09:12:18 < zyp> which is why micro connectors moved the wear parts from the socket to the plug, so you just have to replace the cable and not the socket or entire device when it wears out
2012-11-05T09:13:57 < dongs> uh huh
2012-11-05T09:14:26 < dongs> \http://i.imgur.com/jiZjC.jpg so any idea on receive end for this?
2012-11-05T09:14:36 < dongs> fucking chink sold me 20 but swears he has no datasheet or even dimension drawing
2012-11-05T09:14:40 < dongs> 20 - connectors
2012-11-05T09:15:09 < dongs> ( i suspect the faggot is jus afraid im gonna find out they cost 50c/ea instead of the shit he raped me for
2012-11-05T09:16:25 < zyp> no idea, never seen ribbon cable connectors with two connector rows before
2012-11-05T09:16:46 < zyp> is that the ipad lcd?
2012-11-05T09:17:01 < dongs> http://www.hirose.co.jp/cataloge_hp/e58613007.pdf might be this..
2012-11-05T09:17:11 < dongs> ya jewpad
2012-11-05T09:17:42 < dongs> got chinaman to take a pic upclose before shipping
2012-11-05T09:19:36 < zyp> looks about right
2012-11-05T09:20:34 < zyp> I mean, if the pitch is right
2012-11-05T09:21:02 < dongs> gonna ask the chink to measure width
2012-11-05T09:21:05 < dongs> and see if 0.3*51 fits
2012-11-05T09:21:10 < dongs> sholud be 16-ish mm in that case
2012-11-05T09:25:05 < dongs> verical order confirmed, woot
2012-11-05T09:25:06 < dongs> miiiine
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2012-11-05T09:28:16 < dongs> chink: about 16cm
2012-11-05T09:29:19 < zyp> 160mm is pretty wide
2012-11-05T09:29:26 < dongs> lolz
2012-11-05T09:29:27 < dongs> right
2012-11-05T09:29:31 < dongs> im like "16mm you mean"
2012-11-05T09:29:51 < baird> two more assberries ordered (quoted 2 week delivery)
2012-11-05T09:29:59 < dongs> baird: cant you order one extra for me
2012-11-05T09:30:02 < dongs> ill pay shipping etc.
2012-11-05T09:30:21 < dongs> you dont have to write return address if youre afraid I find out your cave address.
2012-11-05T09:30:40 < zyp> what are you going to do with one?
2012-11-05T09:30:46 < zyp> just see how bad it is for yourself?
2012-11-05T09:30:51 < dongs> ya
2012-11-05T09:30:52 < dongs> basically
2012-11-05T09:30:55 < ds2> why waste your time on that crap
2012-11-05T09:31:00 < dongs> and join the pile of evalboards-ill-never-use on my shelf
2012-11-05T09:31:29 < baird> Would you take a 2nd-hand 256MB model? I can flog-off a few I've already got.
2012-11-05T09:31:49 < dongs> well, if im gonna lunix, i might as well lunix in style with 512meg
2012-11-05T09:32:27 < dongs> actually im sure i dont even fucking need it as I have a overo sand w/hdmi+usb+lan carrier that I've never used...
2012-11-05T09:32:36 < zyp> I've heard that 256M is equivalent to 512M when power is not applied
2012-11-05T09:32:42 < dongs> haha
2012-11-05T09:33:21 < dongs> I heard its equivalent even if its applied
2012-11-05T09:33:25 < dongs> since bootloader only enables 256m
2012-11-05T09:34:27 < ds2> wheeeeeeeeee memory and processors arrived
2012-11-05T09:34:50 < emeb_mac> now you just need boards
2012-11-05T09:34:53 < baird> That's been fixed. "Surprisingly", all the 512 support magically appeared the momemt the Foodblogger had to go into damage control.
2012-11-05T09:38:34 < ds2> no, I got to finalize my sensors and battery orders
2012-11-05T09:38:42 < ds2> and the xtals
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2012-11-05T09:47:12 < dongs> crystal dongs
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2012-11-05T10:01:01 < dongs> so couple days ago i sent email to this faggot who charges $160 to  resolder jewpad connector http://www.servdigital.com/5305.html this guy, of course, he didnt reply since he thought I was gonna scam him.
2012-11-05T10:01:06 < dongs> so I just sent him this: http://bcas.tv/paste/results/9IVlrS40.html
2012-11-05T10:02:58 < zyp> HA
2012-11-05T10:03:03 < zyp> oops
2012-11-05T10:03:07 < zyp> I meant «ha»
2012-11-05T10:03:09 < zyp> without the caps
2012-11-05T10:03:44 < dongs> is your « next to capslock?
2012-11-05T10:03:51 < dongs> and » next to caps-off?
2012-11-05T10:04:56 < zyp> almost, they are on altgr+z/x
2012-11-05T10:05:02 < dongs> oh.
2012-11-05T10:05:09 < dongs> altgr - right alt?
2012-11-05T10:05:12 < dongs> zx
2012-11-05T10:05:15 < dongs> nutthin here.
2012-11-05T10:05:33 < zyp> well, I'm currently using linux
2012-11-05T10:06:01 < zyp> on OS X they are on alt+shift+v/b, dunno about windows
2012-11-05T10:06:35 < dongs> nothing at all on those
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2012-11-05T10:39:58 < baird> Made ersatz petri dishes for homebrew pathogen growin..
2012-11-05T10:40:10 < baird> Hopefully, pretty pathogens..
2012-11-05T10:43:49 < dongs> http://www.sankakucomplex.com/2011/11/02/3-busted-for-buying-used-schoolgirl-pantsu/ attn zyp
2012-11-05T10:44:49 < zyp> did you lose your suppliers now?
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2012-11-05T11:13:17 < dongs> < baird> That's been fixed. "Surprisingly", all the 512 support magically appeared the momemt the Foodblogger had to go into
2012-11-05T11:13:20 < dongs>                damage control.
2012-11-05T11:13:23 < dongs> haah
2012-11-05T11:21:33 < dongs> mm perfect, just ordered enough shit to go over free shipping on digikey
2012-11-05T11:21:43 < zyp> huh, I'm looking at stellaris datasheet
2012-11-05T11:21:50 < dongs> ya?
2012-11-05T11:22:00 < zyp> they have lots of non-32bit-aligned peripheral registers
2012-11-05T11:22:16 < dongs> isnt that fairly common?
2012-11-05T11:22:20 < dongs> there's a few 16bit regs on stm
2012-11-05T11:22:25 < dongs> though they're padded
2012-11-05T11:22:27 < dongs> to next 32bit
2012-11-05T11:22:44 < zyp> padded as in aligned? :p
2012-11-05T11:22:50 < dongs> hjeh
2012-11-05T11:24:11 < dongs> ah!
2012-11-05T11:24:14 < zyp> I'm looking at the register block for the usb peripheral
2012-11-05T11:24:15 < dongs> i knew i was forgettting something
2012-11-05T11:24:16 < dongs> uSD sockets
2012-11-05T11:26:40 < zyp> the usb block is a nice mix of 8- 16- and 32-bit registers, all packed
2012-11-05T11:27:07 < dongs> Stellaris LM4F120H5QR Microcontroller Data Sheet (Rev. D)
2012-11-05T11:27:08 < dongs> this?
2012-11-05T11:27:24 < zyp> yes, I'm looking at page 1054
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2012-11-05T11:42:48 < zyp> the other peripherals seems to be 32-bit aligned, so they are probably just using a weird usb core
2012-11-05T11:50:37 < zyp> hmm, the OTG capable core in LM4F130 seems to be API compatible, just added some registers for host mode
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2012-11-05T13:12:54 < Laurenceb> what the fuuuuu
2012-11-05T13:13:13 < Laurenceb> why is the filesystem on a remote pc suddenly read only?!
2012-11-05T13:13:23 <+Steffanx> Oh, i thought your blaxter ration decreased
2012-11-05T13:14:00 < Laurenceb> this makes 0 sense :(
2012-11-05T13:14:22 < Laurenceb> and im screwed as i cant sync any files
2012-11-05T13:14:51 <+Steffanx> Bad shutdown? or whatever locks up a filesystem?
2012-11-05T13:16:50 <+Steffanx> No access to the machine? SSH? Remote desktop? Something else to fix it Laurenceb?
2012-11-05T13:17:11 < Laurenceb> i have ssh, yes
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2012-11-05T13:18:36 < zyp> mount / -o remount,rw
2012-11-05T13:20:16 < Laurenceb> is it ok to do that?
2012-11-05T13:20:26 < Laurenceb> it wont kill everything?
2012-11-05T13:21:29 < zyp> well, that's kind of hard to answer without knowing why it is read only in the first place
2012-11-05T13:22:07 < zyp> but the act of remount,rw in a normal case doesn't come with any problems
2012-11-05T13:23:05 < zyp> I do it all the time when I have to write the /system partition on android, since it comes mounted read only by default
2012-11-05T13:23:48 <+Steffanx> It really matters if you loose data? You make backups don't you Laurenceb? :P
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2012-11-05T13:26:38 < Laurenceb> im rather confused
2012-11-05T13:26:47 < Laurenceb> last time i used it it was read write
2012-11-05T13:26:55 < Laurenceb> and nothing has changed since
2012-11-05T13:27:07 < Laurenceb> noone should have even been near the machine
2012-11-05T13:27:15 <+Steffanx> No power issues?
2012-11-05T13:27:39 < Laurenceb> nope
2012-11-05T13:27:49 <+Steffanx> dmesg or some other log doesn't show why it's read only?
2012-11-05T13:27:55 < Laurenceb> hmm good idea
2012-11-05T13:28:19 < baird> Often there's the remount-ro option in fstab. Do a fsck, and remount rw.
2012-11-05T13:29:01 < baird> (errors=remount-ro)
2012-11-05T13:29:31 < Laurenceb> [31012775.436705] ata1.00: cmd 25/00:08:fe:c5:80/00:00:31:00:00/e0 tag 0 dma 4096 in
2012-11-05T13:29:31 < Laurenceb> [31012775.436706]          res 51/40:08:fe:c5:80/40:00:31:00:00/e0 Emask 0x9 (media error)
2012-11-05T13:29:37 < Laurenceb> the hard drive has issues?
2012-11-05T13:30:37 < Laurenceb> some sort of weird safety feature or something if theres a drive error?!
2012-11-05T13:31:37 < baird> yup.
2012-11-05T13:31:43 < Laurenceb> wonderful
2012-11-05T13:31:53 < Laurenceb> hopefully i can get my data off
2012-11-05T13:32:10 < Laurenceb> system is still alive at least...
2012-11-05T13:32:30 < Laurenceb> time to buy a new drive :-/
2012-11-05T13:32:53 < baird> Four times out of five when this has happened to me, though, it's been a cabling issue-- shutdown the machine, reseat all the wiring, reboot, no further problems.
2012-11-05T13:33:08 < Laurenceb> i see
2012-11-05T13:33:20 < baird> Of course, the fifth time, it was a bad hdd. :)
2012-11-05T13:33:21 < Laurenceb> ill check out the drive
2012-11-05T13:33:33 < Laurenceb> its been running for about 3 years
2012-11-05T13:34:12 < Laurenceb> but i checked it a few months ago and no errors or anything
2012-11-05T13:34:51 <+Steffanx> Hmm, too bad the stm32L family is a good competitor for msp430 and AVR's when it comes to low power modes, but they suck ass when it comes to price :(
2012-11-05T13:35:14 < zyp> just wait for L0
2012-11-05T13:35:44 <+Steffanx> Can't wait :P
2012-11-05T13:35:44 < Laurenceb> how do i interpret the dmesg timestamps?
2012-11-05T13:35:52 < zyp> seconds from bootup
2012-11-05T13:36:02 <+Steffanx> impossible
2012-11-05T13:36:07 <+Steffanx> 31012775.436705 :P
2012-11-05T13:36:25 < Laurenceb> oh
2012-11-05T13:36:27 < Laurenceb> lol
2012-11-05T13:36:53 <+Steffanx> Or is your system really up for a year now Laurenceb?
2012-11-05T13:37:04 < Laurenceb> yes
2012-11-05T13:37:10 <+Steffanx> ok, not impossible
2012-11-05T13:37:29 < Laurenceb> i have another machine thats been up for 4 years
2012-11-05T13:37:50 < dongs> time to commit digikey order
2012-11-05T13:37:54 < dongs> will probably forget something, of course.
2012-11-05T13:37:57 < baird> The APANA server's record is 420 days.. currently they're at 79. :/
2012-11-05T13:38:12 < dongs> 420? what teh fuck. i have windows XP machiens with better update
2012-11-05T13:38:21 < dongs> \\dtvcap has been up for: 1081 day(s), 6 hour(s), 0 minute(s), 13 second(s)
2012-11-05T13:38:23 < dongs> windows fuckin XP
2012-11-05T13:38:45 <+Steffanx> The L0 isn't even announched zyp, so it probably takes a while before it'll be available
2012-11-05T13:39:21 <+Steffanx> you don't use it dongs, that doesn't count
2012-11-05T13:39:35 <+Steffanx> Is this the machine that's trying to get a sha1 with "loljews" in it?
2012-11-05T13:39:36 < zyp> Steffanx, have you checked how F0 and F1 compares?
2012-11-05T13:39:54 < dongs> Steffanx: of course I use it
2012-11-05T13:39:59 < baird> I remember when it took them almost 3 years to realise that Win95 had a 42day timer wraparound bug. :)
2012-11-05T13:40:00 <+Steffanx> Not in detail, zyp
2012-11-05T13:40:06 < dongs> Steffanx: it can cap up to 4 channels of digital tv and caps several streams per day
2012-11-05T13:40:25 < dongs> i use the scheduling stuff on it to queue shit up, have some auto/keyword based queing etc
2012-11-05T13:41:09 < Laurenceb> L1 isnt _that_ much better than F1
2012-11-05T13:41:12 < Laurenceb> for low power
2012-11-05T13:41:13 < baird> Bleach and Naruto: serious business
2012-11-05T13:41:22 < dongs> baird: sorry, not anniemay
2012-11-05T13:41:25 < Laurenceb> but... its lower power than MSP430
2012-11-05T13:41:35 < Laurenceb> per actual work done :P
2012-11-05T13:41:53 < zyp> Laurenceb, irrelevant if sleep mode consumption is dominant
2012-11-05T13:42:00 < Laurenceb> true
2012-11-05T13:42:07 <+Steffanx> Indeed, and that's what i care about
2012-11-05T13:42:49 < Laurenceb> my datalogger sleep mode current draw is dominated by leakage through the lipo charger
2012-11-05T13:43:24 < dongs> Laurenceb: i ordered some uSD sockets.
2012-11-05T13:43:26 < dongs> and stencils.
2012-11-05T13:43:37 < dongs> to test (b)logger USB.
2012-11-05T13:43:40 < Laurenceb> still ~4 years battery life on standby
2012-11-05T13:43:40 <+Steffanx> leakage not specified in the datasheet Laurenceb?
2012-11-05T13:43:48 < Laurenceb> i cant remeber
2012-11-05T13:43:54 < Laurenceb> bq24090
2012-11-05T13:45:20 < Laurenceb> actually no
2012-11-05T13:45:26 < Laurenceb> i started with max1811
2012-11-05T13:45:36 < Laurenceb> but bq24090 is a lot nicer and cheaper
2012-11-05T13:45:44 < Laurenceb> and i think lower leakage
2012-11-05T13:56:24 < dongs> bedtime
2012-11-05T13:58:19 <+Steffanx> gn
2012-11-05T13:58:23 <+Steffanx> *evening
2012-11-05T14:03:56 < Laurenceb> bbl
2012-11-05T14:04:26 <+Steffanx> You didn't ask if you're allowed to leave!
2012-11-05T14:05:18 < zyp> ok dad
2012-11-05T14:05:42 <+Steffanx> If i'm his that, then you're are is grandpa :P
2012-11-05T14:05:48 <+Steffanx> *dad
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2012-11-05T19:33:22 < Tectu> does anyone here know which assignmed should be done for the SD_D0 to SD_D3 pins for an SD card? Is it   alternate push pull output 50MHz?
2012-11-05T19:38:20 < jpa-> afaik yes
2012-11-05T19:43:52 -!- claude is now known as Claude
2012-11-05T19:52:04 < zyp> that's what I've got
2012-11-05T19:52:42 < jpa-> does someone know if it is feasible to emulate fat filesystem for usb mass-storage, and then use something else internally?
2012-11-05T19:53:28 < zyp> how?
2012-11-05T19:54:02 < jpa-> catch the write/read request and generate responses like they would come from a filesystem
2012-11-05T19:54:16 < zyp> I doubt it
2012-11-05T19:54:21 < jpa-> i know that some bootloaders do that for updating, but haven't seen it used in a more general case
2012-11-05T19:54:56 < zyp> you can make a ramdisk and export that via MSC
2012-11-05T19:55:01 < jpa-> sure
2012-11-05T19:55:26 < zyp> I believe that's what bootloader solutions do, but I might be mistaken
2012-11-05T19:56:42 < jpa-> hmm.. not sure if they do that for the FAT part, but atleast not for data (because there is not enough RAM)
2012-11-05T19:56:51 < emeb> zyp: you have something that uses SD now? Raw or fatfs?
2012-11-05T19:57:12 < jpa-> but considering that they mostly wait for a .HEX file, it's quite easy to detect it even if ignoring the file metadata alltogether
2012-11-05T19:57:26 < zyp> emeb, neither really
2012-11-05T19:57:58 < emeb> Oh?
2012-11-05T19:58:02 < zyp> http://paste.jvnv.net/view/k9tKx <- I have some uncommitted code that just enables the peripheral and configures the pins
2012-11-05T19:58:09 < emeb> Ok - untested.
2012-11-05T19:58:27 < zyp> and then I was just poking the SDIO registers directly from the debugger to get a feel for how it works
2012-11-05T19:58:36 < emeb> I've got HW for an SD interface that I haven't bothered to bring up yet.
2012-11-05T19:58:49 < emeb> Someday when I've got some free time... (yeah - that'll happen)
2012-11-05T19:59:15 < zyp> my next step would be starting on a block device driver to initialize the card and make it ready for access
2012-11-05T19:59:37 < emeb> Yeah - I've seen some solutions based on StdPeriph & ST example code.
2012-11-05T19:59:43 < emeb> I've heard that's kinda buggy tho
2012-11-05T20:00:10 < zyp> and then I'll need to make an MSC block device client
2012-11-05T20:00:20 < zyp> so I can hook those together
2012-11-05T20:00:31 < emeb> Using the existing laks USB stuff? That would be cool
2012-11-05T20:00:38 < zyp> that's the plan
2012-11-05T20:01:12 <+Steffanx> People never stick to their plans
2012-11-05T20:01:23 < zyp> the SDIO stuff is currently tacked on my experimental HS branch, as I was intending to check the performance of it over HS
2012-11-05T20:01:24 < emeb> life is what happens when you were making other plans
2012-11-05T20:02:01 < emeb> Yeah - my HW has options for either SDIO or SPI.
2012-11-05T20:02:14 < emeb> Depending on which pins are enabled.
2012-11-05T20:02:27 < zyp> SDIO and SPI doesn't seem too different really
2012-11-05T20:02:43 < emeb> except for that whole bit-width thing.
2012-11-05T20:03:03 < zyp> that part is all handled by the SDIO peripheral, you just tell it what to use
2012-11-05T20:03:50 < ds2> SDIO on the STM32 is untested?
2012-11-05T20:03:52 < ds2> Hmmmmm
2012-11-05T20:04:06 < emeb> ds2: I wouldn't say that.
2012-11-05T20:04:13 < zyp> the largest difference is that with SPI you have both commands and data on the same lines, with SDIO they have dedicated lines and seem to be sort of asynchronous and independent
2012-11-05T20:04:24 < emeb> There are example drivers in the ST libraries
2012-11-05T20:04:42 < zyp> ds2, I think he was talking about my SDIO code
2012-11-05T20:05:24 < zyp> though, the little that exists of my SDIO code is pretty well tested, it's more that the main part of it is still nonexistant :p
2012-11-05T20:06:42 < emeb> IIRC Laurenceb_'s logger uses SPI for its SD interface.
2012-11-05T20:06:57 < zyp> yep
2012-11-05T20:07:24 < zyp> but anyway, supporting both with a single driver should be easy
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2012-11-05T20:51:46 < TitanMKD> hello
2012-11-05T21:02:12 < emeb> hi
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2012-11-05T21:10:41 < ds2> ah
2012-11-05T21:10:54 < ds2> was getting worried about my SDIO stuff
2012-11-05T21:15:33 < TitanMKD> anyone have good knowledge or already used/tested Xilinx Spartan3 XC3S200 ?
2012-11-05T21:24:08 < Tectu> altera here
2012-11-05T21:25:35 < TitanMKD> ok
2012-11-05T21:35:15 <+Steffanx> dongs: update!
2012-11-05T21:37:34 < qyx_> TitanMKD: no, but preparing for that
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2012-11-05T21:47:02 < Laurenceb> sup
2012-11-05T21:57:26  * Laurenceb RAGE
2012-11-05T21:57:35 < Laurenceb> CE test FAILED
2012-11-05T21:58:46 < Laurenceb> and its all my fault
2012-11-05T21:59:26 < BrainDamage> you made the lcd show a goatse pic if the usb was jammed in in the wrong direction?
2012-11-05T21:59:33 < Laurenceb> lol
2012-11-05T21:59:55 < Laurenceb> nope, i slagged off some other product that had poor adhesion of an outer silicone rubber cover
2012-11-05T22:00:08 < Laurenceb> now they've failed my product for poor adhesion
2012-11-05T22:00:37 < Laurenceb> if i'd just kept quiet...
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2012-11-05T22:07:58 < Claude> http://neuerdings.com/wp-content/uploads/2008/03/bild-317.jpg
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2012-11-05T22:12:42 < Laurenceb> hmm they seem to be asking me to solve an impossible problem
2012-11-05T22:13:01 < Laurenceb> bond silicone resin to flexible pvc
2012-11-05T22:15:28 < Erlkoenig> "they"?
2012-11-05T22:16:03 < Laurenceb> testing approval guy
2012-11-05T22:16:05 < Claude> is that an injection mould part?
2012-11-05T22:16:10 < Laurenceb> works for local hospital
2012-11-05T22:16:29 < Laurenceb> Claude: no, cast at room temperature
2012-11-05T22:16:31 < Claude> ah okay no product testing then ?
2012-11-05T22:16:40 < Laurenceb> two component silicone resin
2012-11-05T22:17:04 < Laurenceb> cable ------  flexi-pcb
2012-11-05T22:17:23 < Claude> bond them mechanically ? like an 'insert' in an injection mould part
2012-11-05T22:17:23 < Laurenceb> then gets clamped in mold and silicone encapsulated
2012-11-05T22:17:36 < Laurenceb> theres no way to do that
2012-11-05T22:17:49 < Laurenceb> i need to chemically bond the silicone to the cable
2012-11-05T22:18:31 < Laurenceb> or its an "infection hazard"
2012-11-05T22:20:35 < Claude> http://www.otto-chemie.de/otto/Productcenter/,_psmand,2.html?produkt_id=74
2012-11-05T22:21:11 < Laurenceb> thats pretty much what i use
2012-11-05T22:21:12 < Claude> 2k silicon , claimed to be adhesive on PVC
2012-11-05T22:21:25 < Laurenceb> hmm maybe rigid
2012-11-05T22:21:43 < Laurenceb> the plasticiser poisons the catalyst and the silicone never cures round the cable
2012-11-05T22:23:38 < Laurenceb> i might be able to solve the problem using surface activator, one component silicone, then the two component resin
2012-11-05T22:23:50 < Laurenceb> before the single component stuff has fully cured
2012-11-05T22:23:59 < Laurenceb> the two silicones then tend to bond together
2012-11-05T22:24:58 < Claude> http://tds.loctite.com/tds5/docs/TEROSTAT%20MS%20939-EN.PDF
2012-11-05T22:28:57 < Laurenceb> yeah something like that
2012-11-05T22:29:02 < Laurenceb> to coat the cable first
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2012-11-05T22:49:51 < Laurenceb> this project has been dragging on for 18 months now  :(
2012-11-05T22:50:08 < Laurenceb> with a total of about 1 week spent on actual hardware/firmware work
2012-11-05T22:53:57 < Tectu> Do I have to set pins on F1 in a certain mode to use FSMC?
2012-11-05T23:10:49 < emeb> TitanMKD: what's your XC3S200 question?
2012-11-05T23:32:04 < TitanMKD> emeb just to know if anyone use them
2012-11-05T23:32:46 < emeb> TitanMKD: I've done a number of projects with the XCS200AVQ100. They're pretty easy to use.
2012-11-05T23:33:09 < emeb> eg: http://ebrombaugh.studionebula.com/embedded/bcc/index.html
2012-11-05T23:33:49 < TitanMKD> ha great
2012-11-05T23:34:18 < TitanMKD> they are in fact same as XC3S250E ? just less ram and logicgate ... ?
2012-11-05T23:35:00 < emeb> The Spartan3A parts are a little nicer. They only need 2 supply voltages.
2012-11-05T23:35:19 < TitanMKD> but mine is Spartan3 ;)
2012-11-05T23:35:24 < TitanMKD> without any letter
2012-11-05T23:35:34 < emeb> Oh. Ancient stuff. :)
2012-11-05T23:35:37 < TitanMKD> XC3S200 VQ100AFQ0433 D1308957A 4C
2012-11-05T23:35:54 < TitanMKD> I have 35 chipset ;)
2012-11-05T23:36:00 < emeb> I haven't ever used the plain Spartan 3.
2012-11-05T23:36:14 < emeb> Nice to have so many.
2012-11-05T23:36:25 < TitanMKD> I hope they work
2012-11-05T23:37:19 < emeb> Unused stock from some old project?
2012-11-05T23:38:35 < TitanMKD> in fact it's from a friend
2012-11-05T23:38:39 < emeb> wow - don't even see those on the Xilinx website.
2012-11-05T23:38:44 < TitanMKD> it was put in trash
2012-11-05T23:38:58 < TitanMKD> in fact it's very old and there's 8 banks ;)
2012-11-05T23:39:12 < TitanMKD> and they are really more expensive than A or E but also really older
2012-11-05T23:39:14 < emeb> Oh - there they are: Mature and Discontinued.
2012-11-05T23:40:08 < TitanMKD> grr and it's not pin compatible with Spartan3E
2012-11-05T23:42:08 < emeb> yeah - close, but not quite.
2012-11-05T23:42:20 < TitanMKD> grr they suxx
2012-11-05T23:42:47 < TitanMKD> i understand now why they was in trash ;)
2012-11-05T23:42:59 < emeb> I wish they had Spartan 6 parts in a VQ100 pkg, but most are BGAs with a few small parts in tqfp144.
2012-11-05T23:43:35 < TitanMKD> ha yes great tqfp144
2012-11-05T23:43:43 < emeb> Well, you could do useful things with them despite that. But you'd have to re-do the layout for newer parts.
2012-11-05T23:43:45 < TitanMKD> but they shall be expensive
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2012-11-05T23:50:52 < Tectu> can some of you guys translate this from the STDLIB to me?   GPIO_Mode_AIN     what's AIN?   ANALOG INPUT?
2012-11-05T23:54:32 < zyp> probably
--- Day changed Tue Nov 06 2012
2012-11-06T00:04:54 < Laurenceb> yes
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2012-11-06T00:09:48 < Tectu> thanks
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2012-11-06T00:42:11 < dongs> wat
2012-11-06T00:42:19 < dongs> <+Steffanx> dongs: update!
2012-11-06T00:42:25 < dongs> man FUCK
2012-11-06T00:42:32 < dongs> i ordered some XC264A from digikey
2012-11-06T00:42:50 < dongs> today I get 'shipped' email but amount is surprisingly low (I r member makingit around 9800 JPY), they shipped 7k worth
2012-11-06T00:42:56 < dongs> im like wtf
2012-11-06T00:43:09 < dongs> they shipped only one out of the total 64A i ordered...
2012-11-06T00:43:43 < dongs> and shit was in stock etc
2012-11-06T00:45:20 < dongs> lets see if RS has them..
2012-11-06T00:45:27 < dongs> rofl, no
2012-11-06T00:45:28 < dongs> FUCKkkkkkkkkkkkkkkk
2012-11-06T00:46:36 < dongs> time to liveshat
2012-11-06T00:47:43 < Laurenceb> wut
2012-11-06T00:47:50 < Laurenceb> XC264A ?
2012-11-06T00:47:59 < dongs> shitty xilinx cpld
2012-11-06T00:48:03  * Laurenceb is in midst of drivefail
2012-11-06T00:48:05 < dongs> XC2C64A
2012-11-06T00:48:06 < emeb> xc2c64a
2012-11-06T00:48:16 < Laurenceb> trying to backup over my ADSL
2012-11-06T00:50:44 < dongs> <digikey> Unfortunately we had an inventory discrepancy, we went to get the parts and we were short
2012-11-06T00:50:47 < dongs> roflll
2012-11-06T00:50:55 < dongs> they showed like several 100 in stock
2012-11-06T00:51:00 < Laurenceb> hahha
2012-11-06T00:51:05 < dongs> <digikey> When the bin was counted we were short 651 pieces.
2012-11-06T00:51:06 < dongs> LOL!
2012-11-06T00:51:07 < Laurenceb> thats happended to me several times
2012-11-06T00:51:42 < dongs> <digikey> Somewhere we sent too many parts or grabbed incorrect parts for another shipment.
2012-11-06T00:51:45 < dongs> man these guys must hire mexicans only
2012-11-06T00:52:13 < emeb> nah - up there in MN it's all Canadians <cue rant from flyback about canucks>
2012-11-06T00:53:00 < emeb> when I was soldering up the AfroLED yesterday, I went to put down the 74HCT1G125 buffer and...
2012-11-06T00:53:11 < emeb> it only had two pins. WTF??!!
2012-11-06T00:53:29 < emeb> got 10x of something that isn't a buffer.
2012-11-06T00:53:50 < dongs> from digikey?
2012-11-06T00:53:53 < emeb> yep
2012-11-06T00:54:26 < emeb> label is right, contents of envelope isn't.
2012-11-06T00:55:40 < Laurenceb> lol
2012-11-06T00:56:54 < qyx_> 1bit buffer
2012-11-06T00:57:15 < emeb> it should be a 1-bit buffer. hard to do that with only 2 pins tho.
2012-11-06T00:57:25 <+Steffanx> It was time for you to wake up dongs :P
2012-11-06T00:57:58 < Laurenceb> kind of like making up gollum but you cant distract him as with ring
2012-11-06T00:58:06 < Laurenceb> cuz hes seen goatse already
2012-11-06T01:01:06 <+Steffanx> me too, thanks to dongs
2012-11-06T01:02:02  * emeb saw it about 10yrs ago. still need brainwash
2012-11-06T01:02:30 < emeb> but that spider last night was funny.
2012-11-06T01:06:19 <+Steffanx> sure?
2012-11-06T01:11:44 < Laurenceb> https://lh6.googleusercontent.com/-sDEr5WmWCys/TjUPVb7jr4I/AAAAAAAAQx4/1qC8rbqIpuM/s720/IMG_8950.JPG
2012-11-06T01:14:58 <+Steffanx> ok.. what is that?
2012-11-06T01:15:20 < Laurenceb> https://lh6.googleusercontent.com/--_PY5WCKR3I/TjUQLIhgHcI/AAAAAAAAQ64/h__Q2M2ZZbg/s512/IMG_8996.JPG
2012-11-06T01:15:22 < Laurenceb> man lab
2012-11-06T01:16:13 < Laurenceb> http://i.imgur.com/UGKyP.jpg
2012-11-06T01:16:23 <+Steffanx> The boy with the baloon is you
2012-11-06T01:16:52 < Laurenceb> james may on left
2012-11-06T01:17:42 <+Steffanx> Oh, i recognized the man, but didn't know his name
2012-11-06T01:18:01 <+Steffanx> For which TV show is he there Laurenceb? :)
2012-11-06T01:18:30 < Laurenceb> BBC2 - "Man Lab"
2012-11-06T01:18:50 <+Steffanx> No BBC2 here
2012-11-06T01:19:24 < Laurenceb> might be on "iplayer"
2012-11-06T01:19:26 < Laurenceb> dont know
2012-11-06T01:26:43 < qyx_> Laurenceb: photoshopped?
2012-11-06T01:27:13 < Laurenceb> nope
2012-11-06T01:27:14 < Laurenceb> http://i.imgur.com/u9FX3.gif.jpg
2012-11-06T01:27:17 <+Steffanx> Looks like the man jumped ..
2012-11-06T01:27:46 <+Steffanx> How much helium you need for a balloon like that Laurenceb?
2012-11-06T01:28:59 < Laurenceb> they use hydrogen
2012-11-06T01:29:24 <+Steffanx> And you didn't troll them?
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2012-11-06T01:41:58 < dongs> well digikey fixed themselves.
2012-11-06T01:42:06 < dongs> they're shipping me a separate box and paying shipping
2012-11-06T01:42:20 < ds2> you called them?
2012-11-06T01:42:21 < dongs> with higher speed grade cpld
2012-11-06T01:42:24 < dongs> yea, liveshat
2012-11-06T01:42:34 < dongs> and it ships today so the stuff will be in jp on time
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2012-11-06T01:47:45 <+Steffanx> I think you told them something bad was going to happen if they didn't ship something similar today
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2012-11-06T01:56:10 < dongs> haha
2012-11-06T01:56:14 < dongs> macfag
2012-11-06T01:56:27 < emeb> ?
2012-11-06T01:58:11 < dongs> [Quit: This computer has gone to sleep] < macfgag quit message
2012-11-06T02:01:12 < dongs> awesome
2012-11-06T02:02:11 < emeb> always wear oven mits (and goggles apparently)
2012-11-06T02:03:05 < emeb> that's an oily pizza. probably bad for you in other ways too.
2012-11-06T02:03:45 < emeb> dongs: powering AfroLED via USB is nice.
2012-11-06T02:03:56 < dongs> huhu
2012-11-06T02:04:02 < dongs> nice
2012-11-06T02:04:15 < emeb> need to figure out how to send data to it w/ USB HID or something.
2012-11-06T02:04:25 < emeb> or ACM?
2012-11-06T02:04:36 < emeb> just serial bytes shifted in...
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2012-11-06T02:05:03 < emeb> flyback: Grandma is trying to kill you with food.
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2012-11-06T02:07:55 < emeb> damn. 89F still in Nov.
2012-11-06T02:22:11 < ds2> emeb: you mean up here yesterday? :D
2012-11-06T02:28:19 < emeb> ds2: you guys warm too?
2012-11-06T02:28:29 < ds2> yesterday, yeah
2012-11-06T02:28:34 < ds2> today, not so
2012-11-06T02:28:41 < emeb> crazy.
2012-11-06T02:28:50 < ds2> has the rains stopped?
2012-11-06T02:29:14 < emeb> Oh yeah. It's been a few weeks since we had any and it was pretty dry prior to that.
2012-11-06T02:30:48 < ds2> not a muggy year?
2012-11-06T02:31:47 < emeb> Not really. Monsoon was a bit wetter than recent years, but that's good as we needed the extra moisture.
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2012-11-06T04:18:37 < emeb_mac> chatless
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2012-11-06T04:35:16 < dongs> 4l pics arriving soon, also ships today
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2012-11-06T04:42:44 < baird> Shucks, still a good 24 hours before the Ruplibuttmads start with their much hilarious "WE LOST TO A NIGGER TWICE!" :P
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2012-11-06T05:38:04 < emeb_mac> baird: it can't come soon enough.
2012-11-06T05:38:24 < emeb_mac> getting reaaaaaaly tired of all the political robo-calls.
2012-11-06T06:04:55 < dongs> http://i.imgur.com/X4293.jpg wtf is going on here
2012-11-06T06:05:35 < emeb_mac> looks like mormon missionaries in NY
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2012-11-06T06:11:35 < dongs> http://www.zdnet.com/enlightenments-e17-enters-alpha-after-12-year-development-7000006949/ haha
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2012-11-06T06:16:27 < emeb_mac> I tried E many years ago. meh.
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2012-11-06T06:51:44 < ds2> fvwm4ever
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2012-11-06T07:17:13 < emeb_mac> twm
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2012-11-06T07:25:44 < emeb_mac> anyone using a BMP/BMPM on a Mac?
2012-11-06T07:27:40 < ds2> Hmmm anyone looked at BLE modules?
2012-11-06T07:34:19 < emeb_mac> what's the difference between that and other BT modules you can get?
2012-11-06T07:38:03 < emeb_mac> ds2: why aren't you in Barcelona w/ all the other Beagle nerds? :)
2012-11-06T07:46:36 < ds2> emec_mac: I have neitehr the time nor the funds for that
2012-11-06T07:47:04 < ds2> emeb_mac: lower power
2012-11-06T07:47:39 < emeb_mac> ds2: yeah - looked like lower power was the main advantage over all the CSR modules out there.
2012-11-06T07:48:13 < emeb_mac> and yeah - all the guys going to ELC-E are probably on the company dime.
2012-11-06T07:48:18 < ds2> trying to find a decent dual mode (BLE + normal) modules
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2012-11-06T09:18:42 < dongs> http://i45.tinypic.com/wtupew.jpg
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2012-11-06T09:48:29 < jpa-> same usb endpoint number can be used for input and output separately, right?
2012-11-06T09:48:39 < baird> My homeboys tried to warn me, but that seven-segment makes me so horny
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2012-11-06T09:59:55 < dongs> jpa-: ?
2012-11-06T09:59:58 < dongs> no
2012-11-06T10:00:14 < dongs> the number becomes different if its IN or out
2012-11-06T10:00:16 < dongs> top bit is set
2012-11-06T10:01:24 < jpa-> ah, well
2012-11-06T10:01:37 < dongs> and no you cant use it for in and out at "same" time
2012-11-06T10:01:44 < dongs> i dont think you can even switch at runtime.. without renumerate
2012-11-06T10:01:49 < dongs> becausae endpoint shti is in descriptor
2012-11-06T10:01:50 < jpa-> but anyway that means that STM32F4 can do 4 in eps and 4 out eps?
2012-11-06T10:02:09 < jpa-> and not 4 eps total?
2012-11-06T10:02:37 < dongs> dunno, zyp shoudl know hat
2012-11-06T10:02:38 < dongs> that
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2012-11-06T10:22:26 < zyp> in and out endpoints are independent, and you have the same number of each, yeah
2012-11-06T10:22:55 < zyp> OTG_FS in F4 have three in/out pairs in addition to ep0, OTG_HS have five
2012-11-06T10:24:22 < zyp> so in reality OTG_FS have endpoints 0x01, 0x02, 0x03, 0x81, 0x82 and 0x83
2012-11-06T10:26:01 < zyp> and IIRC F1 have the same situation, except seven pairs
2012-11-06T10:29:00 -!- Claude is now known as claude
2012-11-06T10:31:20 < zyp> also, it is possible to change endpoints at runtime, you can have multiple configuration descriptors or interfaces with multiple alternate settings
2012-11-06T10:32:18 < zyp> but it obviously requires that tell the host about it in advance, and it's up to the host to choose configuration and alternate setting
2012-11-06T10:34:08 < zyp> I believe that it's common to bundle some devices with a small mass storage configuration, containing the drivers required to use the normal configuration of the device
2012-11-06T10:35:15 < zyp> and isochronous interfaces usually have alternate settings without endpoints, so they don'
2012-11-06T10:35:31 < zyp> 't reserve capacity when they are not in use
2012-11-06T10:37:28 < dongs> sup dongs
2012-11-06T10:38:06 < dongs> yea, zyp is right about alternate configs.
2012-11-06T10:38:13 < dongs> but still thats something host decides.
2012-11-06T10:38:19 < zyp> yep
2012-11-06T10:39:08 < jpa-> the nuttx driver appears to only allow epX in or out, which doesn't leave enough endpoints for usb msc + cdc composite
2012-11-06T10:39:14 < jpa-> trying to patch it
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2012-11-06T10:39:37 < zyp> are you sure it doesn't expect 0x01 for out and 0x81 for in then?
2012-11-06T10:40:32 < dongs> msc = massstoRAGE?
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2012-11-06T10:41:36 < zyp> mass rage class
2012-11-06T10:41:59 < jpa-> zyp: doesn't seem to
2012-11-06T10:43:00 < zyp> hmm, ok
2012-11-06T10:43:05 < jpa-> it only allocates 4 bits to track available endpoints  https://github.com/PetteriAimonen/nuttx/blob/public/nuttx-6.22/arch/arm/src/stm32/stm32_otgfsdev.c#L444
2012-11-06T10:43:38 < jpa-> but yeah, i'm still having some trouble with non-composite setup also so i'll solve those first
2012-11-06T10:44:58 < zyp> hmm, dynamic allocation of endpoints
2012-11-06T10:45:52 < jpa-> most of the drivers have them set statically in config though
2012-11-06T10:46:05 < jpa-> so that just tracks that no two class drivers try to use the same endpoint
2012-11-06T10:46:45 < zyp> hmm, that looks pretty dumb
2012-11-06T10:47:37 < zyp> because all the usb controllers used in stm32 provides a pair of independent in/out endpoints for every endpoint number
2012-11-06T10:48:19 < zyp> I have seen other devices that are using endpoints like 0x01, 0x82, 0x03, 0x84 and so on
2012-11-06T10:48:27 < zyp> I think FTDI chips do that
2012-11-06T10:50:34 < jpa-> nuttx seems to have a lot of stuff like that, all kinds of cool drivers and the a huge number of small, easy to fix bugs in the advanced functionality
2012-11-06T10:50:54 < jpa-> ranging from compile errors to missing implementations of some minor functions
2012-11-06T10:52:24 < zyp> because usb endpoint allocation is advanced functionality? :p
2012-11-06T10:53:00 < jpa-> because using > 4 endpoints is more rarely used
2012-11-06T11:01:27 < zyp> oh, I don't know
2012-11-06T11:02:11 < zyp> maybe not for common fixed function devices
2012-11-06T11:03:10 < zyp> hmm, do they count ep0 as one of those four?
2012-11-06T11:03:19 < zyp> in that case, you're left with only three
2012-11-06T11:03:49 < qyx_> common compile errors in nuttx? ah, it explains a lot
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2012-11-06T11:13:48 < jpa-> zyp: yeah, three in reality
2012-11-06T11:22:13 < zyp> so unless you are working with classes using only a single endpoint, you can't allocate endpoints for more than one instance of one class, which makes that function almost worthless
2012-11-06T11:25:11 < jpa-> yeah, defiency in the stm32f4 usb driver
2012-11-06T11:25:48 < jpa-> (the stm32f1 driver apparently does this correctly)
2012-11-06T11:26:28 < zyp> it's not just because F1 got more endpoints to choose from? :p
2012-11-06T11:29:18 < jpa-> i think F1 endpoints are allocated "per buffer" or something strange like that.. the F1 driver seems to have 7 buffers to allocate from
2012-11-06T11:31:25 < karlp> ds2: didn't ST just announce a BLE radio module? stm32 with custom firmware onboard?
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2012-11-06T11:33:03 < jpa-> now i'm getting malformed packet  http://koti.kapsi.fi/jpa/stuff/other/usbmsc.txt  but sadly wireshark doesn't say how it is malformed
2012-11-06T11:33:32 < jpa-> but apparently linux kernel also thinks it is malformed because it proceeds to reset the device
2012-11-06T11:35:38 < zyp> malformed as in the dissector failed («Exception occurred»)
2012-11-06T11:36:13 < jpa-> yeah
2012-11-06T11:36:56 < jpa-> now my options are to dig through the dissector (http://anonsvn.wireshark.org/wireshark/trunk/epan/dissectors/packet-scsi.c), recompile wireshark and step through it, or try to compare the packet to specs
2012-11-06T11:38:00 < zyp> sort of looks like it was cut short
2012-11-06T11:38:08 < zyp> what's the MPS of the endpoint?
2012-11-06T11:38:30 < zyp> is it configured correctly in both the mass storage class driver and the descriptor?
2012-11-06T11:41:33 < jpa-> mps = max packet size?
2012-11-06T11:41:47 < jpa-> but be back soon, lunch ->
2012-11-06T11:43:43 < zyp> yes
2012-11-06T12:19:43 < dongs> http://i.imgur.com/d4k2T.jpg
2012-11-06T12:19:49 < dongs> the chinese "mystery connector"
2012-11-06T12:20:05 < dongs> slightly different setup than hirose
2012-11-06T12:20:24 < dongs> buut probably same function.
2012-11-06T12:20:29 < dongs> ill order a couple hirose and chcek later.
2012-11-06T12:25:14 < dongs> http://i.imgur.com/P6tue.jpg 0603 resistor
2012-11-06T12:29:44 < zyp> is that some trollboard?
2012-11-06T12:46:21 < jpa-> apparently wireshark is just confused by the 12-byte config response (the full page would be 20 bytes, dunno why someone decided to cut it short), while linux actually considers it ok
2012-11-06T12:46:55 < jpa-> trying to recompile without debug messages now, they could be slowing it down too much
2012-11-06T12:47:24 < zyp> that's why I wrote a fast logging class :p
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2012-11-06T12:52:29 < jpa-> zyp: yeah, there would be ramdisk logger in nuttx also but guess who is still using the serial port backend :P
2012-11-06T13:12:22 < zyp> :p
2012-11-06T13:14:14 < jpa-> but disabling debug just made it break earlier :D
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2012-11-06T13:21:05 <+Steffanx> Argh, I hate this. When you google for an error and all you find is a pastebin post with the same error
2012-11-06T13:33:18 < dongs> lunix error?
2012-11-06T13:33:48 <+Steffanx> Error in some build script, yes
2012-11-06T13:34:23 <+Steffanx> lunix no, but sort of related to lunix, yes
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2012-11-06T13:53:23 < dongs> cool, both of my digikey  boxes are in transit and at processing center at same timee
2012-11-06T13:53:26 < dongs> they did not fail
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2012-11-06T15:14:27 < Oldboy> http://knowyourmeme.com/memes/has-anyone-really-been-far-even-as-decided-to-use-even-go-want-to-do-look-more-like
2012-11-06T15:18:31 < dongs> old
2012-11-06T15:20:52 < Oldboy> http://images.4chan.org/hr/src/1351069876226.jpg
2012-11-06T15:21:36 < dongs> looks pretty pro, waht is it
2012-11-06T15:22:48 < Oldboy> aircraft engine
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2012-11-06T15:28:19 <+Steffanx> Why something like that is on 4chan?
2012-11-06T15:28:22 <+Steffanx> No boobs.. nothing
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2012-11-06T15:35:23 < dongs> probably posted by cjbeard or Laurenceb
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2012-11-06T16:13:09 < dongs> http://en.rocketnews24.com/2012/11/02/the-smell-of-a-boys-anus-scented-oil-on-sale-now-in-japan-in-case-you-were-wondering/ attn zlog
2012-11-06T16:13:14 < dongs> err, ^ attn zyp
2012-11-06T16:14:19 <+Steffanx> LOL
2012-11-06T16:15:03  * Steffanx retweets
2012-11-06T16:17:47 < dongs> oh man..
2012-11-06T16:17:57 < dongs> I just found the hirose 51pin connector in a mobile phone
2012-11-06T16:18:03 < dongs> .. from 2006
2012-11-06T16:18:08 < dongs> its fucking tiny
2012-11-06T16:20:06 < zyp> dongs, wtf. :p
2012-11-06T16:21:23 < dongs> shit, its past my  bedtime
2012-11-06T16:21:32 <+Steffanx> Good evening!
2012-11-06T16:21:32 < dongs> gotta dick with some smartcard shit tomrow
2012-11-06T16:21:32 < dongs> bbl
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2012-11-06T18:18:20 < gnomad> http://i.imgur.com/Yvyy5.jpg
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2012-11-06T18:22:25 < emeb> bummer - nothing near me
2012-11-06T18:25:14 < karlp> you're at leastin their universe.
2012-11-06T18:25:19 < karlp> lower48 or gtfo.
2012-11-06T18:26:20 < karlp> with exceptions for the parts of canada near the lower48.
2012-11-06T18:26:47 < emeb> I'm kinda surprised that they don't have one here in the Phoenix area - Avnet's corp HQ is here.
2012-11-06T18:30:40 -!- claude_work is now known as claude
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2012-11-06T18:50:57 < emeb> If this doesn't rock your vote, nothing will: http://www.youtube.com/watch?v=PG7jsMBPbpQ
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2012-11-06T19:24:43 < Laurenceb> isnt there an stm32 based random number generator somwhere?
2012-11-06T19:25:06 < karlp> you can feed the unique id into the crc a few times if you want.
2012-11-06T19:25:16 < karlp> don't the f2 and f4 have some proper rng hardware?
2012-11-06T19:25:38 < karlp> there's an app note for it too I think.
2012-11-06T19:26:58 <+Steffanx> Yeah they have
2012-11-06T19:27:04 < Laurenceb> isnt the a usb stick you can buy?
2012-11-06T19:27:22 < emeb> I've used LCSGs, LFSRs and feeding stuff into the CRC before. All work fine. The CRC is pretty easy.
2012-11-06T19:27:38 <+Steffanx> There probably is Laurenceb
2012-11-06T19:27:50 < Laurenceb> i mean stm32 based
2012-11-06T19:28:00 < Laurenceb> im sure i saw one somewhere
2012-11-06T19:28:24 <+Steffanx> EntropyKey
2012-11-06T19:28:47 <+Steffanx> and http://www.gniibe.org/memo/development/gnuk/rng/pqrng
2012-11-06T19:28:54 <+Steffanx> poor man .. looks perfect for you :P
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2012-11-06T19:42:59 < Laurenceb> FST-01
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2012-11-06T19:49:18 < emeb> pretty cute board.
2012-11-06T19:50:26 <+Steffanx> No kickstarter project?!
2012-11-06T19:50:52 <+Steffanx> 35$ Too expensive
2012-11-06T19:53:11 < emeb> yeah - get an rpi instead. same price.
2012-11-06T19:53:33 <+Steffanx> lol
2012-11-06T19:54:03 <+Steffanx> Don't tell me you're someone who compares everything to the rpi..
2012-11-06T19:54:28  * emeb needs to use his irony tags more consistently.
2012-11-06T19:54:33 <+Steffanx> "Shoes: 40$; Nah, get a rpi instead"
2012-11-06T19:54:41 < emeb> lol
2012-11-06T19:55:27 < emeb> the comparison is only valid when the item in question is $35 tho.
2012-11-06T19:57:37 <+Steffanx> Ok, you'll get a 5$ discount on your shoes
2012-11-06T19:58:20 < jpa-> emeb: want to buy my laptop for $35?
2012-11-06T19:59:17 < emeb> jpa-: probably a 10yr-old Gateway, right? No thanks.
2012-11-06T19:59:30 < jpa-> hmph :(
2012-11-06T19:59:31  * emeb has a box full of old laptops in the garage already.
2012-11-06T19:59:36 < jpa-> i could have replaced it with a rpi
2012-11-06T19:59:53 < emeb> then you could call yourself a "maker". :P
2012-11-06T20:00:37  * emeb "makes" C02 by breathing.
2012-11-06T20:01:07 < zyp> emeb, you were asking about BMP on OS X?
2012-11-06T20:01:14 < emeb> zyp: yeah!
2012-11-06T20:01:44 < emeb> plugged my bmpm into my MacBook last night - nothing new showed up in /dev
2012-11-06T20:01:51 < zyp> 10.6?
2012-11-06T20:01:56 < emeb> yeah.
2012-11-06T20:02:05 < zyp> lack of USB IAD support
2012-11-06T20:02:15 < emeb> figured it was something like that.
2012-11-06T20:02:22 < emeb> workarounds?
2012-11-06T20:02:38 < zyp> had the same problem myself, so I made a firmware build without IAD
2012-11-06T20:02:44 < zyp> (I just reverted the commit adding IAD)
2012-11-06T20:03:05 < emeb> oh yay.
2012-11-06T20:03:17 < emeb> I'll look into it.
2012-11-06T20:05:55 < zyp> I think IAD is mainly used for BMP to support multiple functions on windows without writing a custom driver
2012-11-06T20:06:14 < emeb> Yeah - saw the new .inf files in the git repo.
2012-11-06T20:06:16 < zyp> because it allows loading multiple instances of the standard ACM driver
2012-11-06T20:06:29 < zyp> but I'm not sure it's required on OS X
2012-11-06T20:06:49 < emeb> Is it mostly a change to the descriptor data?
2012-11-06T20:06:56 < zyp> yep
2012-11-06T20:07:22 < zyp> IAD is just a set of descriptors to group interfaces into functions
2012-11-06T20:07:45 < emeb> which presumably confuses Mac OS 10.6
2012-11-06T20:07:57 < zyp> well, IAD support was added in 10.7
2012-11-06T20:08:03 < zyp> so it works fine here on 10.8
2012-11-06T20:08:40 < emeb> hmpf. Not upgrading my ancient (4yro) MacBook just for that.
2012-11-06T20:09:34 < zyp> I'm pretty happy with 10.8 on a general basis
2012-11-06T20:10:18 < emeb> I'm not convinced it would be an improvement w/o new hardware.
2012-11-06T20:11:05 < zyp> true enought
2012-11-06T20:11:34 < emeb> thx for the pointer. I'll see if I can make that work by rebuilding the BMP firmware w/o IAD.
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2012-11-06T20:12:10 < zyp> just ask if you need assistance with it :)
2012-11-06T20:12:25 < emeb> ty - appreciated.
2012-11-06T20:12:33 < emeb> Sad news from OSHPark - 2 of the three panels from Oct 25/26 were damaged at the fab.
2012-11-06T20:12:52 < zyp> ouch
2012-11-06T20:12:55 < emeb> so my F3 breakout will be late.
2012-11-06T20:13:38 < zyp> so they're not sending out the boards from the one panel that were undamaged before the other panels are remade?
2012-11-06T20:14:10 < emeb> They may send out the undamaged one and then the other two a few days later.
2012-11-06T20:14:28 < zyp> that's what I mean, are they doing that?
2012-11-06T20:14:45 < emeb> It sounded like they would.
2012-11-06T20:15:02 < emeb> so I'll get one board on time, then the other two later.
2012-11-06T20:15:14 < zyp> I imagine quite a few customers only needs one of the boards, so it would be pointless to wait for the other two before sending out the first
2012-11-06T20:15:29 < emeb> sounds like somone put the panels into the v-cut router in the wrong orientation. Scored the boards wrong.
2012-11-06T20:15:41 < zyp> heh
2012-11-06T20:15:48 < zyp> shit happens
2012-11-06T20:15:53 < emeb> that it does.
2012-11-06T20:16:28 < zyp> I know I'd prefer to get one of my F4 boards first, rather than wait for all three
2012-11-06T20:16:44 < emeb> yup
2012-11-06T20:16:45 < zyp> because I only assembled the other two after I broke the first
2012-11-06T20:17:21 < emeb> I usually only build one board - I've got stacks of extras in my cabinet.
2012-11-06T20:17:53 < zyp> and of the previous design I only assembled one, used the second for later prototyping and haven't touched the third
2012-11-06T20:19:21 < emeb> usually while building/testing the 1st I find things I'd like to change before assembling more. But then I never get around to changing them before a completely new project idea takes over.
2012-11-06T20:19:28 < emeb> ADD I guess.
2012-11-06T20:19:36 < zyp> yeah
2012-11-06T20:22:49 <+Steffanx> ADD .. my problem :P
2012-11-06T20:23:20 < zyp> I'm more troubled with SUB
2012-11-06T20:24:14 <+Steffanx> SUB happens
2012-11-06T20:25:10 < emeb> zyp: how's the LPC board?
2012-11-06T20:25:52 < zyp> nothing new to report
2012-11-06T20:31:15  * emeb thinks about how there's more logic in an lqfp48 STM32Fxxx than in his entire first computer.
2012-11-06T20:33:00 < emeb> viz -> http://oldcomputers.net/osi-600.html
2012-11-06T20:33:15 < zyp> :)
2012-11-06T20:34:37  * zyp thinks about how he is ten years younger than that computer
2012-11-06T20:35:00  * emeb feels like a fossil
2012-11-06T20:35:47  * zyp sets up camp on emeb's lawn
2012-11-06T20:36:00  * emeb shakes cane at zyp
2012-11-06T20:37:15 < emeb> didn't dongs do a video titler using the SPI port?
2012-11-06T20:37:35 < zyp> video overlay you mean? yeah
2012-11-06T20:38:37 < emeb> video on that old computer had a 32x32 array of 8x8 character blocks. Probably wouldn't be too hard to do something like that with SPI.
2012-11-06T20:39:02 < emeb> but since composite video is a thing of the past it wouldn't be too useful.
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2012-11-06T20:41:22 < upgrdman_> what does spi have to do with composite vid?
2012-11-06T20:41:54 < zyp> you sync it to video rate and shift out pixels
2012-11-06T20:42:30 < upgrdman_> composite video uses same signaling as spi?
2012-11-06T20:42:46 < emeb> no, but with the right resistor ladder you can fake it.
2012-11-06T20:43:11 < emeb> use gpio for hsync, vsync and spi for dots.
2012-11-06T20:43:34 < upgrdman_> is there a good doc detailing the compositve video signal?
2012-11-06T20:43:57 < emeb> http://en.wikipedia.org/wiki/Composite_video
2012-11-06T20:44:47 < emeb> the great thing about standards is that there are so many of them. :P
2012-11-06T20:44:57 < emeb> PAL, NTSC, SECAM...
2012-11-06T20:45:27 < zyp> and then you have all the fun mixes
2012-11-06T20:45:46 < zyp> like PAL-60 which is NTSC rate with PAL levels
2012-11-06T20:46:21 < zyp> my PAL VHS player outputs that if I try playing an NTSC tape
2012-11-06T20:46:57  * emeb carted a truckload of old VHS players to Goodwill over the weekend.
2012-11-06T20:47:14 < upgrdman_> comp vid is shield + 1 pin. how do you mix in hsync, vsync
2012-11-06T20:47:17 < emeb> plus old iMacs, printers, etc.
2012-11-06T20:47:45 < zyp> I picked up that player just because I wanted to digitalize an NTSC tape I got
2012-11-06T20:47:53 < zyp> my capture card didn't really like PAL-60
2012-11-06T20:48:06 < zyp> so that project failed a bit
2012-11-06T20:48:06 < ds2> DMA required?
2012-11-06T20:48:08 < emeb> upgrdman_: see that graph on the wikipedia? it's all voltage levels on the same pin.
2012-11-06T20:48:22 < upgrdman_> o, ya. :)
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2012-11-06T20:49:31 < zyp> maybe I should try picking up an actual NTSC VHS player and retrying that project
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2012-11-06T20:50:18 < upgrdman_> so you use a resistor ladder to make a DAC, right? if so, how does SPI help... its serial, not parallel
2012-11-06T20:50:44 < zyp> doesn't matter if you only need one bit
2012-11-06T20:50:56 < upgrdman_> o, you just want black/white video?
2012-11-06T20:51:02 < upgrdman_> not grayscale or color
2012-11-06T20:51:03 < ds2> for your next trick, do NTSC color
2012-11-06T20:51:04 < ds2> ;)
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2012-11-06T21:17:26 < emeb> DK informs me that they've shipped my backordered F3 Discovery.
2012-11-06T21:17:52 < emeb> now it's a race to see which gets here first - my F3 PCBs or the Disco.
2012-11-06T21:17:53 < zyp> :)
2012-11-06T21:18:25 < zyp> digikey usually has fast shipping, so I would assume that
2012-11-06T21:18:56 < emeb> Yeah. It's usually 2 days when I have them send via USPS Priority.
2012-11-06T21:19:21 < emeb> UPS ground costs about 1.5x and takes a full 5 business days. Fail.
2012-11-06T21:19:48 < zyp> hah
2012-11-06T21:20:28 < zyp> UPS worldwide super saver or what it's called takes less than 48 hours from US to my door
2012-11-06T21:20:46 <+Steffanx> And is !@#$%^ expensive
2012-11-06T21:20:52 <+Steffanx> except when you sample from TI :P
2012-11-06T21:21:01 < zyp> $30 or so
2012-11-06T21:21:06 < emeb> Yikes!
2012-11-06T21:21:09 < zyp> unless you order enough to get free shipping
2012-11-06T21:21:16 < emeb> You gotta really want those parts.
2012-11-06T21:21:45 < zyp> last time I ordered from mouser I threw in a beaglebone to bump the order over the free shipping limit
2012-11-06T21:21:55 < emeb> heh.
2012-11-06T21:22:18 < emeb> that's around $70-$100 or so?
2012-11-06T21:23:59 < zyp> something like that
2012-11-06T21:24:15 <+Steffanx> I think it was cheaper to actually pay the shipping in this case zyp :P
2012-11-06T21:24:26 <+Steffanx> beaglebone => "nice to have but it
2012-11-06T21:24:37 <+Steffanx> 's in the not used very often"-bag
2012-11-06T21:24:47 <+Steffanx> -very often
2012-11-06T21:25:23 < zyp> sure, but another way of seeing it is that I got the beaglebone discounted if you subtract what shipping would have costed :p
2012-11-06T21:27:00 < emeb> I like the idea of the beagleboard/beaglebone, but the OS always gets in the way. Bare metal is nicer for my process.
2012-11-06T21:27:22 < emeb> I guess it's possible to program bare-metal on beagles. Haven't tried it though.
2012-11-06T21:27:37 < zyp> I should pester emeb to make one of those FPGA boards for me :p
2012-11-06T21:27:53 < emeb> heh
2012-11-06T21:28:24 < zyp> I mean, if I had any use for it, I would have done so already
2012-11-06T21:34:11 < emeb> solution in search of a problem.
2012-11-06T21:34:19 < zyp> :)
2012-11-06T21:41:38 < jpa-> i wish the SoC on the beagle boards would have a real ARM cpu as the realtime co-processor, instead of some obscure one that has to be programmed in assembler
2012-11-06T21:43:33 <+Steffanx> When's your birthday jpa- ?
2012-11-06T21:44:04 < jpa-> a month ago
2012-11-06T21:44:17 < jpa-> sorry i didn't invite you
2012-11-06T21:44:18 <+Steffanx> Maybe you can make that wish when you blow out the candles next time your age goes age++;
2012-11-06T21:44:34 < jpa-> i never get a candle cake anymore :(
2012-11-06T21:44:48 <+Steffanx> Hmm, time to have a good talk with your wife
2012-11-06T21:45:34 < jpa-> i'm so old that i don't even remember how old i am :(
2012-11-06T21:46:01 <+Steffanx> According to your website you are 23
2012-11-06T21:46:29 <+Steffanx> years
2012-11-06T21:46:41 < emeb> website needs updating?
2012-11-06T21:46:56 < jpa-> definitely
2012-11-06T21:47:03 < jpa-> but precondition: need to know how old i a m
2012-11-06T21:47:09 < emeb> yeah - those PRU thingies aren't ideal.
2012-11-06T21:47:20 <+Steffanx> You are somewhere between 23 en 25
2012-11-06T21:47:31 <+Steffanx> or maybe 26
2012-11-06T21:47:34 < emeb> M0 cores would have been a better choice IMHO.
2012-11-06T21:47:58 < jpa-> emeb: yeah, the PRU things seem so difficult that i would rather just slap a separate microcontroller board on it than use those
2012-11-06T21:48:32 <+Steffanx> Isn't the ARM on that board 'old' nowadays anyway?
2012-11-06T21:48:49 < emeb> those are on the beaglebone / AM335x SoC. The beagle uses OMAP3530 which is old.
2012-11-06T21:49:12 < jpa-> cortex-a8
2012-11-06T21:49:16 < jpa-> so not that old
2012-11-06T21:49:17 < emeb> But the SoC on the beagle has a fairly powerful DSP, plus an M3 core tied to that.
2012-11-06T21:49:33 < emeb> (or was it an ARM9?? forget)
2012-11-06T21:49:45 < emeb> heh - the copro has a copro...
2012-11-06T21:49:50 < jpa-> it's a bit silly that beaglebone has a "ARM Cortex-M3 for power management"
2012-11-06T21:50:19 < emeb> yeah.
2012-11-06T21:52:15 < jpa-> but i really should try a beaglebone out sometime
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2012-11-06T21:52:48 < jpa-> preferrably in a work project, because i know i can hack a somewhat working linux system together in my free time, but making it production ready is a different thing
2012-11-06T21:52:53 <+Steffanx> zyp has one for you
2012-11-06T21:53:07 <+Steffanx> maybe you can pay him 35$ for it.. or just a rpi
2012-11-06T21:53:37 < emeb> the circle is now complete.
2012-11-06T21:53:38 < jpa-> i always buy two of everything :P
2012-11-06T21:55:26 -!- Claude is now known as claude
2012-11-06T21:58:40 -!- claude is now known as Claude
2012-11-06T22:01:47 < ds2> old?
2012-11-06T22:01:54 < ds2> they are all Cortex-A8 cores
2012-11-06T22:02:32 < ds2> the core on the pi is ancient
2012-11-06T22:06:05 < TitanMKD> ds2 parallella is even better dual core ;)
2012-11-06T22:06:51 < ds2> I much rather use the propeller
2012-11-06T22:06:54 < ds2> more cores there ;)
2012-11-06T22:07:20 < TitanMKD> and A9 is also better ;)
2012-11-06T22:08:05 < TitanMKD> and the must with FPGA all in one in ZYNQ7010 + an other parallel core Epiphany 16 or 64 cores ;)
2012-11-06T22:08:12 < ds2> depends on what you want to do
2012-11-06T22:08:16 < ds2> A15 is even better
2012-11-06T22:08:59 < TitanMKD> for embedded stuff dual core A9 + Zynq FPGA part + Epiphany 16 cores is enough to do lot of stuff ;)
2012-11-06T22:09:35 < TitanMKD> and the whole working with less than 4W of power consumption
2012-11-06T22:10:27 < TitanMKD> ds2 it's just a must for application like embedded SDR ;)
2012-11-06T22:11:44 < Laurenceb> http://answers.yahoo.com/question/index?qid=20111018193155AAxZPvE
2012-11-06T22:11:48 < emeb> must... strong words. :/
2012-11-06T22:14:05 < ds2> A9 isn't going to help that much
2012-11-06T22:14:21 < ds2> much rather go hard core w/FPGA
2012-11-06T22:14:25 < emeb> yeah - a bit of soapy water would be better.
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2012-11-06T22:57:17 < upgrdman_> how is a double-sized SMD PCB assembled? if you do one side, then flip it upside down to do the other, wont SMDs fall off when you heat it?
2012-11-06T22:57:54 < TitanMKD> upgrdman of course they can fall
2012-11-06T22:58:08 < upgrdman_> then how do they do it
2012-11-06T22:58:35 < TitanMKD> i only solder one side with hot plate
2012-11-06T22:58:39 <+Steffanx> glue
2012-11-06T22:58:42 < TitanMKD> and the other side i do it by hand
2012-11-06T22:59:03 < TitanMKD> Steffanx glue which resist to +220°C ?
2012-11-06T22:59:09 <+Steffanx> Yeah why not?
2012-11-06T22:59:22 < BrainDamage> yes, there's glue that resist even 300°C
2012-11-06T22:59:25 < BrainDamage> and more
2012-11-06T22:59:32 < TitanMKD> ha ok
2012-11-06T22:59:38 <+Steffanx> Or perhaps the surface tension of the solder is enough to keep hte components in place when you first do one side, turn it around and do theother side?
2012-11-06T22:59:49 < BrainDamage> some also don't bother with glue and instead use solders with different melting point
2012-11-06T22:59:55 < TitanMKD> i really doubt surface tension is so strong
2012-11-06T23:00:07 < BrainDamage> surface tension works only for small components
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2012-11-06T23:00:24 < BrainDamage> big components like ic need either glue, or solder with higher reflow temp
2012-11-06T23:00:59 < TitanMKD> BrainDamage how they do it with Wave soldering ?
2012-11-06T23:01:02 <+Steffanx> small as in .. resistors or also small as in a simple sot6 package?
2012-11-06T23:01:14 <+Steffanx> soic-8?
2012-11-06T23:01:30 < BrainDamage> soic might be pushing it
2012-11-06T23:01:51 < BrainDamage> also, when in production you care about reliability
2012-11-06T23:01:51 <+Steffanx> At least we have zyp to give it a try :P
2012-11-06T23:02:10 < BrainDamage> when you diy you can always touch up manually,
2012-11-06T23:02:25 < BrainDamage> in production you want to minimize faults
2012-11-06T23:02:33 <+Steffanx> and costs :P
2012-11-06T23:03:23 < BrainDamage> I don't know how it'd done using wave soldering
2012-11-06T23:03:35 < BrainDamage> I'd imagine again glue
2012-11-06T23:04:30 < TitanMKD> BrainDamage also maybe using kapton ;)
2012-11-06T23:04:40 < TitanMKD> for small quantities
2012-11-06T23:04:45 < BrainDamage> what? no
2012-11-06T23:04:56 < TitanMKD> anyway i always design double sided to have components on only 1 side ;)
2012-11-06T23:04:56 < BrainDamage> kapton is not a glue
2012-11-06T23:05:07 < BrainDamage> I think you mean kapton duct tape
2012-11-06T23:05:13 < TitanMKD> yes
2012-11-06T23:05:15 < BrainDamage> which is kapton + heat resistant glue
2012-11-06T23:05:27 < BrainDamage> but at that point, you can as well use the glue directly
2012-11-06T23:05:29 < TitanMKD> I have kapton from dealextreme it is a must
2012-11-06T23:05:31 < BrainDamage> costs less and is more easily automated
2012-11-06T23:05:41 < TitanMKD> it resist easily to 250°C
2012-11-06T23:05:56 <+Steffanx> What you use it for TitanMKD ?
2012-11-06T23:09:02 < TitanMKD> Steffanx for my temperature probe when i use my hot plate
2012-11-06T23:09:14 < TitanMKD> to respect the reflow temperature
2012-11-06T23:16:47 < Laurenceb> respect to da temperature
2012-11-06T23:18:01 < Laurenceb> usually they use glue on a 2 axis squirting rig thingy
2012-11-06T23:18:49 < Laurenceb> but not for small smd
2012-11-06T23:21:01 -!- Claude is now known as claude
2012-11-06T23:35:53 < Laurenceb> http://www.raspberrypi.org/archives/2338
2012-11-06T23:35:58 < Laurenceb> ^how to troll
2012-11-06T23:37:24 < qyx_> lol
2012-11-06T23:40:06 < Laurenceb> lol they are porting python
2012-11-06T23:40:20 < Laurenceb> python on risc  os on rpi   :P
2012-11-06T23:40:52 < upgrdman_> all my stuff is single layer, single sided. just curious how pcbs were done with big-ish SMDs on both sides (inductors, lqfps, etc.)
2012-11-06T23:40:59 < BrainDamage> because you need a lightweight os to run inefficient programs
2012-11-06T23:41:01 < upgrdman_> different solder pastes seems logical
2012-11-06T23:41:24 < Laurenceb> "There is so much stuff coming out for RISC OS at the moment it is very difficult to keep up with it, which is good!"
2012-11-06T23:41:27 < Laurenceb> lulwut
2012-11-06T23:42:11 < Laurenceb> i last ran risc os when i was about 4
2012-11-06T23:44:47 < upgrdman_> so they ever assemble PCBs by quickly heating one side with something like a glorified heat lamp? quick enough that the heat won't affect the other side?
2012-11-06T23:44:52 < upgrdman_> s/so/do
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--- Day changed Wed Nov 07 2012
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2012-11-07T00:02:54 < Laurenceb> http://blog.dixo.net/wp-content/uploads/2012/06/bbcpi-300x179.jpg
2012-11-07T00:07:27 < upgrdman_> those plugs are HUGE :)
2012-11-07T00:21:12 -!- DaKu is now known as daku
2012-11-07T00:26:24 < Laurenceb> "Does it play Videos ? "
2012-11-07T00:26:25 < Laurenceb> lol
2012-11-07T00:27:27 -!- BusError_ is now known as BusError
2012-11-07T00:32:08 < upgrdman_> o, that's a r pi huh?
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2012-11-07T01:02:52 < dongs> sup dongs
2012-11-07T01:04:44 < emeb> dongs: questions earlier about how one reflows 2-sided SMD boards w/o parts dropping off the bottom on the 2nd pass.
2012-11-07T01:05:29 < zyp> glue
2012-11-07T01:06:11 < emeb> magic
2012-11-07T01:06:23 <+Steffanx> inverted gravity
2012-11-07T01:06:30 < emeb> force fields
2012-11-07T01:07:33 < dongs> < emeb> Sad news from OSHPark - 2 of the three panels from Oct 25/26 were damaged at the fab.
2012-11-07T01:07:37 < dongs> raped
2012-11-07T01:07:58 < dongs> emeb: i've done a bunch of double sided stuff. it doesn't fall off.
2012-11-07T01:08:11 < dongs> just goes into oven inverted.
2012-11-07T01:08:14 < emeb> nothing special - just surface tension.
2012-11-07T01:08:15 < dongs> nothing falls out.
2012-11-07T01:08:40 < emeb> does the bottom side get up to the same temp as the top?
2012-11-07T01:08:51 < dongs> probably not
2012-11-07T01:08:58 < dongs> seeing how top has air convection and shit over it
2012-11-07T01:09:52 < emeb> makes sense.
2012-11-07T01:13:45 < dongs> http://bcas.tv/paste/results/oMFPh467.html
2012-11-07T01:13:46 < dongs> looool
2012-11-07T01:14:25 < zyp> hah
2012-11-07T01:14:58 <+Steffanx> Too bad the URL also tells you what it is
2012-11-07T01:15:00 <+Steffanx> bbcpi
2012-11-07T01:15:16 < dongs> i didnt evne see that
2012-11-07T01:15:25 < emeb> wonder if the keyboard works. :P
2012-11-07T01:16:00 < Laurenceb> i have a bbc model b
2012-11-07T01:16:00 <+Steffanx> Since i'm here i read all URLs before i click them.. i've seen the shit from Laurenceb and dongs too many times
2012-11-07T01:16:03 < Laurenceb> ... somewhere
2012-11-07T01:16:10 <+Steffanx> *i've seen enough shit
2012-11-07T01:16:21 < emeb> i've got a timex/sinclair somewhere.
2012-11-07T01:16:24 <+Steffanx> Time to get some sleep :P
2012-11-07T01:16:42 < emeb> Steffanx: wake up to the new world order. :D
2012-11-07T01:16:53 < Laurenceb> aiui they still use model B machines with econet to run some of the train displays in the uk
2012-11-07T01:17:17 <+Steffanx> I'll try dreamland first emeb
2012-11-07T01:17:34 < dongs> I had a C128 and I was poking a flat screwdriver into one of the back connectors and it smoked and never turned on again
2012-11-07T01:18:04 <+Steffanx> Would be nicer if it never turned off again
2012-11-07T01:18:46 < emeb> Steffanx: good idea.
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2012-11-07T01:30:02 < ds2> Hmmmm
2012-11-07T01:30:20 < ds2> this is too F'ing hot
2012-11-07T01:31:00 -!- Laurenceb [~Laurence@host86-177-213-79.range86-177.btcentralplus.com] has quit [Ping timeout: 246 seconds]
2012-11-07T01:31:54 < dongs> ds2: stuff was shipped yesterday, ill have tracking # today sometime.
2012-11-07T01:32:07 < dongs> prob in a couple hrs
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2012-11-07T01:33:18 < ds2> dongs: 'k... some other part is the long pole
2012-11-07T01:33:26 < ds2> displays and sensors seems to be slow
2012-11-07T01:34:54 < dongs> one of hte patterns looked like bmp085
2012-11-07T01:35:00 < dongs> ive got a fuckton of them heh
2012-11-07T01:35:03 < dongs> and another adxl?
2012-11-07T01:35:05 < dongs> same situation
2012-11-07T01:35:41 < ds2> those I got
2012-11-07T01:35:53 < ds2> it is the humidity sensor that I am waiting on
2012-11-07T01:35:59 < ds2> adxl's are $$$$$$
2012-11-07T01:36:17 < dongs> adxl345?
2012-11-07T01:36:18 < dongs> no they're not
2012-11-07T01:36:25 < ds2> how much are they?
2012-11-07T01:36:27 < dongs> they're liek $1-something to me
2012-11-07T01:36:37 < ds2> hmmm
2012-11-07T01:36:46 < ds2> I'm using a LSM303DLHC instead
2012-11-07T01:37:06 < ds2> most AD parts are $$$$$$$$ so I don't even look at them unless I have to
2012-11-07T01:39:43 < qyx_> btw does anyone have some accel/gyro tests?
2012-11-07T01:39:56 < ds2> test for what?
2012-11-07T01:40:19 < qyx_> noise/variance for different chips
2012-11-07T01:40:27 < ds2> oh
2012-11-07T01:40:44 < ds2> there are folks who have them but i am not aware of any that are freely available
2012-11-07T01:41:00 < qyx_> :S
2012-11-07T01:41:24 < ds2> the ones I know about run in matlab
2012-11-07T01:41:55 < qyx_> i think i am about to order 1-2pcs of some
2012-11-07T01:42:10 < ds2> what is your application?
2012-11-07T01:42:14 < qyx_> i was trying to..
2012-11-07T01:42:20 < qyx_> do dead reckoning using accels
2012-11-07T01:42:22 < qyx_> and gyros
2012-11-07T01:42:27 < ds2> personal project?
2012-11-07T01:42:43 < qyx_> yes for now
2012-11-07T01:42:50 < ds2> ah I see
2012-11-07T01:42:58 < qyx_> but i didnt come up with anything usable
2012-11-07T01:43:05 < ds2> I see
2012-11-07T01:43:12 < qyx_> acceleration have to be integrated twice to obtain position
2012-11-07T01:43:35 < qyx_> has
2012-11-07T01:43:42 < ds2> i am trying to get rights to sell licenses for the math to make the gyro/accel/mags useable
2012-11-07T01:43:54 < ds2> maybe in a few months if all goes well
2012-11-07T01:44:14 < ds2> problem with acceleration integration is that will blow up pretty quick unless you do the right black magic to it
2012-11-07T01:44:23 < ds2> gyros are even worse
2012-11-07T01:44:32 < qyx_> gyros are ok, i have working algos for them
2012-11-07T01:44:41 < qyx_> about 0.01deg accuracy
2012-11-07T01:44:46 < ds2> over what period of time?
2012-11-07T01:44:53 < qyx_> also some correction algos
2012-11-07T01:45:22 < qyx_> stable using corrections for my application
2012-11-07T01:45:44 < qyx_> there are some specifics which can be used to obtain good results
2012-11-07T01:46:06 < ds2> but how long is that 0.01deg good for?
2012-11-07T01:46:09 < ds2> a day?
2012-11-07T01:46:30 < qyx_> no, absolute accuracy with references from other sensors
2012-11-07T01:46:37 < qyx_> without it it drifts a bit
2012-11-07T01:46:41 < ds2> ahhhh
2012-11-07T01:47:08 < ds2> can you get an accurate absolute reference?
2012-11-07T01:47:26 < qyx_> depends on calibration mostly, now i am also playing with temperature calibration
2012-11-07T01:47:35 < ds2> oohhh sounds fun
2012-11-07T01:48:23 < qyx_> accels's zero drifts a lot with changing temp
2012-11-07T01:48:37 < ds2> depends on mfg
2012-11-07T01:48:41 < qyx_> also i found out that some of them have some dynamic characteristics
2012-11-07T01:49:26 < qyx_> eg. if they are exposed to acceleration, it takes a while to settle again on previous values
2012-11-07T01:49:52 < qyx_> so i am curious if there are some real world tests
2012-11-07T01:51:34 < ds2> who's accel are you seeing that on?
2012-11-07T01:52:20 < qyx_> lis331
2012-11-07T01:52:29 < qyx_> stm
2012-11-07T01:53:00 < ds2> do you have the internal filters enabled?
2012-11-07T01:53:05 < qyx_> no
2012-11-07T01:53:26 < ds2> just don't remember that issue on that part
2012-11-07T01:53:39 < qyx_> i will test again in more controller environment
2012-11-07T01:53:42 < qyx_> *led
2012-11-07T01:53:51 < ds2> is the part and PCB mounted in a non bouncing platform?
2012-11-07T01:55:21 < qyx_> if you do calibration, measure 1G pointing upwards, then flip downwards and again up
2012-11-07T01:55:31 < qyx_> it takes a while to obtain 1G again
2012-11-07T01:55:43 < qyx_> and dont know why
2012-11-07T01:55:45 < ds2> definitely do not see that
2012-11-07T01:56:02 < ds2> I'd check see if the board is rigidly mounted
2012-11-07T01:56:30 < qyx_> i am planning to do everything again
2012-11-07T01:57:28 < qyx_> also i am building small chamber with peltier to do temp calibration
2012-11-07T01:57:49 < ds2> is this personal nav or a quad copter or ?
2012-11-07T01:58:33 < qyx_> it is for copter platform, but for commercial use
2012-11-07T01:59:18 < qyx_> maybe.. in the future
2012-11-07T02:00:03 < ds2> planning on inverted manuevers?
2012-11-07T02:01:04 < qyx_> no, but we need better stability and position accuracy to suit our needs
2012-11-07T02:01:09 < qyx_> and also to do docking
2012-11-07T02:02:33 < ds2> ooooooh roomba in 3D!!
2012-11-07T02:02:40 < qyx_> lol
2012-11-07T02:03:04 < ds2> that'd be interesting to see
2012-11-07T02:03:07 < qyx_> curtain cleaner maybe
2012-11-07T02:03:19 < qyx_> good idea
2012-11-07T02:04:40 < ds2> I'd like to see it do a docking in 3D
2012-11-07T02:04:48 < ds2> self recharge, and take off again
2012-11-07T02:05:23 < qyx_> you mean docking at 45deg upside down? :)
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2012-11-07T02:05:35 < qyx_> yes, it is a plan to land, recharge and take off again
2012-11-07T02:06:04 < ds2> sure... extra points for fancy manuvers
2012-11-07T02:06:14 < ds2> have you seen how a roomba docks?
2012-11-07T02:06:23 < qyx_> we have it in office
2012-11-07T02:06:36 < qyx_> but never seen actual docking
2012-11-07T02:07:24 < ds2> it uses IR beams to navigate and does multiple tries. want to see that done in 3D, up, down, left, right
2012-11-07T02:07:46 < qyx_> i considered ir
2012-11-07T02:09:04 < qyx_> ok, gn
2012-11-07T02:09:20 < ds2> :)
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2012-11-07T02:33:09 < dongs> http://dvice.com/archives/2012/10/ethiopian-kids.php give million idiots a million typewriters...
2012-11-07T02:34:30 < zyp> ha
2012-11-07T02:37:12 < dongs> whats default geda refdes for ICs?
2012-11-07T02:37:13 < dongs> is it U?
2012-11-07T02:37:27 < emeb> depends on how you built the symbol
2012-11-07T02:37:33 < emeb> I always use U.
2012-11-07T02:37:55 < dongs> are their SMD resistors/caps default symbols same?
2012-11-07T02:37:57 < dongs> or caps are rounded
2012-11-07T02:38:01 < dongs> like 0603/0402
2012-11-07T02:38:31 < emeb> what is this "default" you speak of? :)
2012-11-07T02:38:35 < dongs> like
2012-11-07T02:38:37 < dongs> shipped patterns
2012-11-07T02:38:39 < dongs> or wahtever
2012-11-07T02:38:58 < zyp> are you trying to check whether a layout were done in geda or not?
2012-11-07T02:39:13 < emeb> ok - there are schematic symbol libraries and layout footprint libraries included with most distro packages.
2012-11-07T02:39:51 < dongs> zyp: tyeah
2012-11-07T02:39:54 < dongs> it loks really shitty
2012-11-07T02:39:57 < dongs> so im assuming its geda
2012-11-07T02:40:17 < emeb> I can tell you by how the ground plane pours look.
2012-11-07T02:40:23 < zyp> that's what I figured you would say :p
2012-11-07T02:40:27 < dongs> and its got the patented geda silk-around-ICs shit
2012-11-07T02:40:38 < dongs> emeb: aint got any pours
2012-11-07T02:40:41 < dongs> top or bottom.
2012-11-07T02:41:12 < emeb> too bad - gEDA/PCB pours are... sub-optimal.
2012-11-07T02:41:39 < dongs> wait lol i think this thing is 4 layer
2012-11-07T02:42:02 < dongs> i see vias not going anywhere
2012-11-07T02:42:17 < ds2> neg/pos?
2012-11-07T02:42:20 < emeb> Is this the same one you were showing the other day with missing vias?
2012-11-07T02:42:35 < dongs> na, thats different shit
2012-11-07T02:42:42 < emeb> you get all the fun.
2012-11-07T02:42:45 < dongs> i got a sample of black + enig to see what it looks like
2012-11-07T02:42:53 < dongs> looks like some kinda pciex1 breakout board
2012-11-07T02:42:56 < zyp> :p
2012-11-07T02:43:08 < dongs> i was like hmm that socket looks familar.. tried fitting a x1 pcie , fits.
2012-11-07T02:43:18 < emeb> 1337
2012-11-07T02:43:37 < zyp> dongs, got any upcoming four layer panels that you can throw my shit on?
2012-11-07T02:44:25 < dongs> possibly, its fairly random. are you even done wiht it yet?
2012-11-07T02:45:29 < zyp> nah, but if you said something like «yeah, I've got one on friday», I could have tried to have it done by then :p
2012-11-07T02:45:47 < dongs> lo
2012-11-07T02:46:15 < dongs> hm. according to company website they do image sensors and shit
2012-11-07T02:46:27 < dongs> so they're prob just abusing pcie socket for some camera header or someshit
2012-11-07T02:46:42 < zyp> minipcie?
2012-11-07T02:46:48 < dongs> no just regular pcie x1
2012-11-07T02:46:51 < dongs> like vertical header?
2012-11-07T02:46:54 < zyp> oh
2012-11-07T02:47:31 < zyp> I've seen minipcie being used for various stuff
2012-11-07T02:48:10 < zyp> some of the devboards at work is in that form factor
2012-11-07T02:50:56 < ds2> thank goodness for HDMI connectors with the pins flipped around
2012-11-07T02:58:03 < dongs> waht di dyou do, make a wrong pattern?
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2012-11-07T03:52:35 < dongs> diiiiiiiiiiiiiiiiiiix
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2012-11-07T04:10:00 < dongs> http://www.adafruit.com/products/1087 attn cjbeard
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2012-11-07T04:17:18 < ds2> amazing what a trail of parts one leaves.... spare 1205 passives... then 0805 passives...then 0603 passives :/
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2012-11-07T04:20:37 < Bird|lappy> ds2, I have a 0603 6.8MOhm resistor somewhere on my kitchen floor atm :P
2012-11-07T04:20:46 < Bird|lappy> blasted thing flew out of my tweezers
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2012-11-07T04:23:20 < ds2> Bird|lappy: heh
2012-11-07T04:23:30 < ds2> Bird|lappy: wait til you mature to 0201
2012-11-07T04:24:26 < Bird|lappy> who here was it who accidentally ordered a bunch of caps in 0201
2012-11-07T04:24:27 < Bird|lappy> *?
2012-11-07T04:24:28 < emeb_mac> I've got some cut tape of 0201 parts. Can barely pick them up with tweezers.
2012-11-07T04:24:37 < emeb_mac> Bird|lappy: that would be me :)
2012-11-07T04:24:46 < ds2> 0201 isn't that bad
2012-11-07T04:25:04 < emeb_mac> ds2: what's the suggested pad spacing on 0201?
2012-11-07T04:25:30 < emeb_mac> I'd guess it's less than the min space on most hobby-grade processes.
2012-11-07T04:25:50 < dongs> haha
2012-11-07T04:25:50 < Bird|lappy> and considering hobbyists these days have access to 6/6 rules...
2012-11-07T04:25:56 < Bird|lappy> p. small indeed.
2012-11-07T04:27:28 < ds2> emeb_mac: donno... I go 0201 cuz of the BGAs
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2012-11-07T04:29:04 < emeb_mac> here's a suggested pad layout: http://www.prpinc.com/LinkFiles/Chip_Pad_Layout_Sgl_Element.pdf
2012-11-07T04:29:20 < emeb_mac> 0.25mm space for 0201 = 9.7mils.
2012-11-07T04:29:39 < ds2> 6/6 should fit 0201 easily
2012-11-07T04:29:42 < dongs> my 0402s are a bit big
2012-11-07T04:29:46 < emeb_mac> yep
2012-11-07T04:29:50 < ds2> since that is 20mil x 10mil
2012-11-07T04:30:34 < dongs> emeb_mac: what is that based on  though
2012-11-07T04:30:37 < dongs> IPC standard?
2012-11-07T04:30:49 < dongs> im not sure im buying that
2012-11-07T04:30:55 < emeb_mac> next time I do a board I should put some dummy 0201 fps down and try soldering these useless caps.
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2012-11-07T04:31:18 < dongs> http://www.kemet.com/kemet/web/homepage/kfbk3.nsf/vaFeedbackFAQ/2209BDBA03843BBF85256BCD004EBC11/$file/f2100e.pdf
2012-11-07T04:33:10 < emeb_mac> still says 0.2 to 0.35mm spacing for 0201, so doable on 6/6
2012-11-07T04:35:19 < dongs> IPC patterns are HUGE
2012-11-07T04:35:26 < dongs> http://tinymicros.com/mediawiki/images/3/3c/IPC-SM-782A.pdf
2012-11-07T04:35:30 < dongs> even bigger than mine
2012-11-07T04:35:35 < dongs> hurm
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2012-11-07T04:36:26 < ds2> wait til you have to deal with VIA in pad stuff
2012-11-07T04:36:45 < dongs> been there.
2012-11-07T04:37:29 < dongs> http://www.adafruit.com/products/567
2012-11-07T04:38:10 < ds2> think she is bored
2012-11-07T04:38:39 < dongs> http://www.adafruit.com/category/70 happens all teh time.
2012-11-07T04:39:39 < ds2> sigh...this is what it has become
2012-11-07T04:39:46 < emeb_mac> they sure have a lot of that stuff. Good for the kiddies I guess.
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2012-11-07T04:40:11 < BrainDamage> https://www.adafruit.com/products/510
2012-11-07T04:41:04 < emeb_mac> lol
2012-11-07T04:41:18 < BrainDamage> is there a "no dignity" patch, or is it implied with all of them?
2012-11-07T04:41:24 < ds2> an obvious missing one is - a bad with flames on it for frying a board
2012-11-07T04:41:30 < dongs> there is
2012-11-07T04:41:35 < upgrdman> lol
2012-11-07T04:41:37 < dongs> http://www.adafruit.com/products/565
2012-11-07T04:41:56 < ds2> it is blue, no wonder i missed it
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2012-11-07T05:42:14 < dongs> <Denver_/#arduino> i need to hire someone that knows c
2012-11-07T05:42:18 < dongs> still laughin.
2012-11-07T05:42:56 < emeb_mac> c is haaaard.
2012-11-07T05:43:07 < dongs> i was mostly laughing at the channel name
2012-11-07T05:43:14 < dongs> since noone doingm arduino actually knows C
2012-11-07T05:43:37 < emeb_mac> oh, it's kinda C.
2012-11-07T05:43:49 < emeb_mac> mostly it's arduino libs tho
2012-11-07T05:49:18 < dongs> < Denver_> hey guys this is my first arduino project, and i'm trying to hook up a fingerprint scanner to my board. can you
2012-11-07T05:49:22 < dongs>                  guys point me in the right direction as far as wiring?
2012-11-07T05:49:24 < dongs> even funnier
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2012-11-07T06:35:16 < baird> Whoa, enjoying the PANIC BUTTONS being pressed :D
2012-11-07T06:37:58 < dongs> baird: < dongs> http://www.adafruit.com/products/1087 attn cjbeard
2012-11-07T06:38:36 < dongs> givin you some fuel for that rage
2012-11-07T06:39:17 < baird> "Introduction by Julian Assange..." :P
2012-11-07T06:40:05 < dongs> srsly?
2012-11-07T06:40:28 < dongs> Technical details: ROHF
2012-11-07T06:40:29 < dongs> err
2012-11-07T06:40:31 < dongs> ROHS
2012-11-07T06:41:16 < dongs> less than a week for nexus 4
2012-11-07T06:41:23 < baird> An immediate problem with that book's blurb is "Makering doesn't scale". Sure, you can find a few to buy overpriced mantoys, but it'll just fuel inflation to have a crypto-industry like that.
2012-11-07T06:48:47 < baird> http://i.imgur.com/Ybcr5.jpg
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2012-11-07T06:50:38 < dongs> haha
2012-11-07T06:59:59 < baird> http://www.huffingtonpost.com/2012/11/06/amendment-64-passes-in-co_n_2079899.html "Colorado Legalizes Marijuana For Recreational Use"
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2012-11-07T07:42:52  * emeb_mac looks for cheetos and goldfish
2012-11-07T07:44:31 < baird> He's getting into the stoner munchies already :)
2012-11-07T07:45:02 < Bird|lappy> :p
2012-11-07T07:45:20  * Bird|lappy has a pretty good case of the munchies at all times, no THC needed
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2012-11-07T07:51:46 < dongs> breaking stoner news: colorado legalizes recreational weed, mostly due to lobbying by sparkfun
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2012-11-07T08:48:33 < dongs> lay one down for obama
2012-11-07T08:57:50 < emeb_mac> oughta move to CO or WA and chill.
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2012-11-07T09:29:30 < jpa-> what, really? https://github.com/texane/stlink/issues/94
2012-11-07T09:30:10 < jpa-> and guess who has such a startup function, meaning that every time i do a backtrace, gdb crashes
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2012-11-07T09:41:18 < zyp> which gdb version?
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2012-11-07T09:44:30 < dongs> any.
2012-11-07T09:44:38 < dongs> implying some versions of GDB arent total fail.
2012-11-07T09:45:37 < zyp> dongs, ok
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2012-11-07T09:55:38 < jpa-> GNU gdb (GNU Tools for ARM Embedded Processors) 7.3.1.20120613-cvs
2012-11-07T09:58:51 < zyp> yesterday's news
2012-11-07T10:03:32 < baird> "Pot smoking Linux users in Washington and Colorado are probably feeling like they won the lottery today"  http://www.reddit.com/r/linux/comments/12qsdb/steam_for_linux_download/
2012-11-07T10:21:55 < dongs> no serious lunix user runs jewbunto 12 though
2012-11-07T10:22:56 < dongs> < flyback> http://www.forbes.com/sites/ericsavitz/2012/11/06/mips-selling-all-assets-for-combined-7-31shr-in-cash/
2012-11-07T10:23:04 < dongs> for a minute i was reading that headline as 7 << 31 in cash
2012-11-07T10:23:16 < dongs> well, I guess shr would be >>
2012-11-07T10:23:17 < dongs> but wahtever.
2012-11-07T10:23:53 < dongs> wat
2012-11-07T10:23:59 < dongs> sorry, i dont speak african
2012-11-07T10:26:19 < zyp> ok
2012-11-07T10:27:47 < dongs> jewbunto 12.12 "raging boner"
2012-11-07T10:31:23 < baird> Sign up with the Trump Militia and Save America!
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2012-11-07T10:44:32 -!- claude_work is now known as Claude_work
2012-11-07T10:57:42 < baird> flyback: why do you care, socialist medicine boy.
2012-11-07T11:05:52 -!- AaronM [~Aaron@pdpc/supporter/student/aaronm] has quit [Quit: Quit]
2012-11-07T11:12:53 < jpa-> bah, linux still doesn't like my usb mass storage
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2012-11-07T11:24:02 < prog> linux doesn't like corporate made stuff
2012-11-07T11:24:28 < prog> espacially stuff made for profit
2012-11-07T11:25:11 < dongs> lunix only likes shit made for wasting time
2012-11-07T11:25:15 < dongs> like wobbly windows
2012-11-07T11:25:24 < dongs> in a window manager thats acutally utterly useless for actually.. managing windows.
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2012-11-07T11:31:17 < dongs> fuck yea
2012-11-07T11:31:25 < dongs> my chinaman had a cache of murata cerlock resonators
2012-11-07T11:31:34 < dongs> i thought i was gonna get some china knockoffs
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2012-11-07T11:48:16 < tavish> anyone know what the gpio pins state is in power off? i mean will it source/drain any current or will it be Hi-z? can't find this in the datasheet
2012-11-07T11:49:18 < zyp> hi-z, but if you apply voltages higher than vcc they might sink to vcc through tvs diodes
2012-11-07T11:49:30 < zyp> or, not sure how 5V tolerant pins behave in that case
2012-11-07T11:51:35 < tavish> zyp: thanks, this info would be in the gpio section in reference manual?
2012-11-07T11:51:58 < dongs> ive seen it in the manual.
2012-11-07T11:52:02 < dongs> datasheet likely
2012-11-07T11:52:07 < zyp> yeah, datasheet
2012-11-07T11:52:36 < zyp> reference manual is more about the software interface than the hardware specs
2012-11-07T12:03:42 < jpa-> but Vcc = 0V, so it might sinkwhatever the voltage :)
2012-11-07T12:04:46 < dongs> Yeah.
2012-11-07T12:04:54 < dongs> i was powering up my shit through uart tx/rx pins.
2012-11-07T12:05:00 < dongs> enough to light a blue led.
2012-11-07T12:05:05 < dongs> onboard.
2012-11-07T12:14:51 < tavish> the datasheet doesnt say anything about this, but there is a digram showing the protection diodes connected to gpio pins in the ref. manual
2012-11-07T12:15:27 < tavish> i guess i'll have to add a transistor too
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2012-11-07T12:21:07 < jpa-> 5V tolerant inputs don't have the protection diodes the same way AFAIK
2012-11-07T12:21:13 < jpa-> but they have them in some different way :D
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2012-11-07T12:33:34 < karlp> upgrdman: we did some double sided pcbs (parts on both sides) in a toaster oven here last week, the surface tension of the parts was enough to solder both sides at once without things falling off.
2012-11-07T12:33:57 < karlp> the boards are still being redesigned to move parts to one side though, they'd originally been designed for hand soldering
2012-11-07T12:34:38 < karlp> (we were touching up manually afterwards though, as BrainDamage said, it's not a great long term plan)
2012-11-07T12:35:32 < zyp> when you say both sides at once, do you mean as opposed to placing one side, reflowing, flipping over, placing other then reflowing again?
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2012-11-07T12:59:29 < dongs> double sided stuff goes through reflow twice
2012-11-07T12:59:35 < dongs> (normally)
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2012-11-07T13:18:44 < zyp> yeah, because I don't imagine unsoldered paste keeps components from falling off the board
2012-11-07T13:35:53 < dongs> it does if shit is glued.. but i dunno how many places glue these days.
2012-11-07T13:37:03 < dongs> i think you have to glue for wave soldering
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2012-11-07T13:54:44 < Claude_work> vapour phase soldering ftw!
2012-11-07T13:56:19 < Claude_work> you can use the same pad geometries like reflow soldering and don't have to care about glue , exessive solder / solder traps like on wave soldering and double sided components are no problem
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2012-11-07T14:12:28 < dongs> can i use some STM32 timer to actually _count_ nubmer of events?
2012-11-07T14:12:39 < dongs> i.e. external clock cycles etc
2012-11-07T14:12:40 <+Steffanx> interesting Claude_work .. me looks what it exactly is :)
2012-11-07T14:15:32 <+Steffanx> hmm, how that system keeps the components in place when they're upside down Claude_work ?
2012-11-07T14:15:49 < Claude_work> you flip the board ;)
2012-11-07T14:16:24 <+Steffanx> Oh, doh
2012-11-07T14:16:39 <+Steffanx> the boring/slow way :P
2012-11-07T14:16:48 < Claude_work> hehe yeah
2012-11-07T14:17:33 < zyp> dongs, if you use an external clock source, that's what it will do
2012-11-07T14:18:36 < Claude_work> our pcb/board manufacturer is doing vapour phase only for prototyping or small runs. the 'real' stuff (10k++) is still traditional reflow+wave
2012-11-07T14:20:37 -!- tavish [~tavish@unaffiliated/tavish] has quit [Quit: leaving]
2012-11-07T14:20:49 < Claude_work> and yeah even on e.g. 10k runs , the components are glued to the board prior soldering. there are automatic glue dispenser machines (CNC)
2012-11-07T14:21:02 < Claude_work> on reflow+wave is that..
2012-11-07T14:26:27 < dongs> hmm.
2012-11-07T14:26:50 < Claude_work> example for glue+wave solderig of a medium sized run board (1k or so) .. wave soldering sucks from the pcb designs point of view . you have to use special footprints,'solder traps' and so on ... https://docs.google.com/open?id=0B_5UXaEUPGdZbTg0MFRBRXlHbGM
2012-11-07T14:26:54 < dongs> zyp, ok.
2012-11-07T14:27:04 < Claude_work> pen is pointing at a 'solder trap'
2012-11-07T14:27:33 < Claude_work> all 0603 passives , 0402 is too small for wave
2012-11-07T14:27:39 < dongs> it's a trap
2012-11-07T14:28:07 < Claude_work> a TARP ;)
2012-11-07T14:28:55 < dongs> zyp, what's the 'external clock' input for a timer?
2012-11-07T14:30:22 < zyp> ETR
2012-11-07T14:31:19 <+Steffanx> Pretty good photo for a fancy phone Claude_work :)
2012-11-07T14:31:54 < Claude_work> ehhh exif :)
2012-11-07T14:40:53 -!- Laurenceb [~laurence@vlsi1.eee.nottingham.ac.uk] has joined ##stm32
2012-11-07T14:40:57 < Laurenceb> hi
2012-11-07T14:41:30 < dongs> kk
2012-11-07T14:41:42 < Laurenceb> http://uk.farnell.com/stmicroelectronics/stm32f303cct6/mcu-32bit-cortex-m4-48lqfp/dp/2215113
2012-11-07T14:41:45 < Laurenceb> fapfapfap
2012-11-07T14:42:28 <+Steffanx> Hmm, you can do that long without 'fapfap' Laurenceb ?
2012-11-07T14:42:30 <+Steffanx> Supplier lead time 93 days <=
2012-11-07T14:42:51 < Laurenceb> hmm i bet mouser/digikey/rs will get it sooner
2012-11-07T14:43:17 <+Steffanx> Too bad it's pretty expensive as well
2012-11-07T14:43:55 <+Steffanx> over 11 euro, incl VAT and crap. :(
2012-11-07T14:44:48 < Laurenceb> http://uk.mouser.com/ProductDetail/STMicroelectronics/STM32F3DISCOVERY/?qs=sGAEpiMZZMt6peTohPPdu3cQUhI1hfuT
2012-11-07T14:46:10 < Laurenceb> http://www.digikey.co.uk/product-detail/en/STM32F373CCT6/497-13251-ND/3648271
2012-11-07T14:46:19 < Laurenceb> but thats the non pin conpatible one
2012-11-07T14:46:36 <+Steffanx> redo the board :)
2012-11-07T14:50:09 < dongs> all you with f3disco, are your chips all ES?
2012-11-07T14:50:36 < Laurenceb> ES?
2012-11-07T14:50:47 < dongs> engineering sample
2012-11-07T14:50:57 < Laurenceb> oh yeah i see
2012-11-07T14:50:59 < Laurenceb> mine is
2012-11-07T14:51:09 < dongs> TIM1 and TIM5 are both can do external clock, which one is 32bit?
2012-11-07T14:52:16 < dongs> or is it any TIM with _ETR?
2012-11-07T14:52:18 < baird> F3 ES: me three
2012-11-07T14:52:44 < zyp> dongs, I think most timers have that possibility
2012-11-07T14:57:04 < dongs> how the fuck do i know hwihc timx is 32bit
2012-11-07T14:57:11 < dongs> ah, 2 +5
2012-11-07T14:57:29 < dongs>  looks liek i can use TIM2_ETR
2012-11-07T15:02:13 <+Steffanx> </blog>
2012-11-07T15:06:29 < dongs> wat
2012-11-07T15:06:33 < dongs> i didnt blog shit
2012-11-07T15:07:11 < dongs> i need to remove SB20 on my f4disco for this :(
2012-11-07T15:08:11 < dongs> http://www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERATURE/USER_MANUAL/DM00063382.pdf
2012-11-07T15:08:14 < dongs> wat
2012-11-07T15:08:22 < dongs> beep ^ zyp plz fix
2012-11-07T15:08:33 < zyp> fix what?
2012-11-07T15:09:11 < dongs> oyu mean it works for oyu?
2012-11-07T15:09:21 < zyp> no, entire st site seems to be down
2012-11-07T15:09:25 < dongs> wat, rly
2012-11-07T15:09:31 < Laurenceb>  Network Error (gateway_error)
2012-11-07T15:09:31 < Laurenceb> An error occurred attempting to communicate with an HTTP or SOCKS gateway.
2012-11-07T15:09:44 < dongs> haha, these guys are real pro
2012-11-07T15:10:49 < zyp> hmm, internal ST sites seem to be unaffected
2012-11-07T15:10:50 <+Steffanx> Here it works ..
2012-11-07T15:11:00 < zyp> back up now
2012-11-07T15:11:22 < Laurenceb> me 2
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2012-11-07T15:12:44 <+Steffanx> back up what? The ST site zyp ?
2012-11-07T15:12:48 <+Steffanx> Dekar has done that for you
2012-11-07T15:13:39 < dongs> UGH
2012-11-07T15:13:45 < dongs> every fucking pin I chose is used for other trash on f4disco
2012-11-07T15:13:46 < dongs> what the fuck
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2012-11-07T15:14:01 < dongs> PA9 = fuckin leds
2012-11-07T15:14:02 < dongs> uGH
2012-11-07T15:14:20 <+Steffanx> remove the leds
2012-11-07T15:14:34 < zyp> Steffanx, what? I said that the site is back up now.
2012-11-07T15:14:35 < Laurenceb> LIKE A BOSS
2012-11-07T15:14:49 <+Steffanx> lol zyp
2012-11-07T15:15:01 < zyp> dongs, so what? it's just a led
2012-11-07T15:15:01 <+Steffanx> I read it as "make a backup now" :P
2012-11-07T15:15:18 < dongs> zyp, its my smartcard I/O line
2012-11-07T15:15:23 < dongs> USART1_TX
2012-11-07T15:15:32 < dongs> so it needs ot be bidirectional.
2012-11-07T15:15:37 < dongs> and not loaded with other trash.
2012-11-07T15:15:45 < zyp> right
2012-11-07T15:16:01 < dongs> i suppose I can look for another usable shit or remap it or something
2012-11-07T15:16:06 < Laurenceb> what are the smartcards for?
2012-11-07T15:16:45 < dongs> work.
2012-11-07T15:17:20 < Laurenceb> kiddy pronz storage?
2012-11-07T15:17:27 < dongs> pretty much
2012-11-07T15:17:49 < zyp> not storage but decrypting
2012-11-07T15:18:19 < dongs> zyp is expert
2012-11-07T15:20:25 <+Steffanx> I think it's just to remove the blur/pixelized shit from the video :P
2012-11-07T15:21:07 < Laurenceb> looks like NRST is not connected to the swd header on F4 discovery?
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2012-11-07T15:27:47 < dongs> NOOOOOOOOOOOO
2012-11-07T15:27:50 < dongs> ITS LIKE ST IS FUCKING WITH EM
2012-11-07T15:27:51 < dongs> ME
2012-11-07T15:27:54 < dongs> started looking at usart2
2012-11-07T15:28:00 < dongs> _TX is on RED Led
2012-11-07T15:28:01 < dongs> motehrfucker.
2012-11-07T15:28:17 < zyp> dongs, aren't they remappable to several pins? they can't all be used?
2012-11-07T15:28:47 < dongs> can I use USART2_CK from PD7 and USART2_TX from PA2?
2012-11-07T15:28:54 < Laurenceb> oh it is connected
2012-11-07T15:28:55 < zyp> sure
2012-11-07T15:28:59 < Laurenceb> rst has a 22ohm resistor
2012-11-07T15:29:02 < Laurenceb> WTF
2012-11-07T15:29:09 < zyp> that's the beauty of the new style GPIO
2012-11-07T15:29:09 <+Steffanx> MAGIC
2012-11-07T15:29:11 < Laurenceb> why do i have to hit reset manually?
2012-11-07T15:29:22 < zyp> all pins are remapped independently, not in groups like on F1
2012-11-07T15:30:29 < Laurenceb> has anyone got f4discovery working with stlink?
2012-11-07T15:30:37 <+Steffanx> Yes
2012-11-07T15:30:39 < dongs> ??
2012-11-07T15:30:40 < dongs> "working"
2012-11-07T15:30:43 < dongs> on windows, yes
2012-11-07T15:30:44 < dongs> perfectly.
2012-11-07T15:30:48 < Laurenceb> do you have to hit reset?
2012-11-07T15:30:51 < dongs> no...
2012-11-07T15:30:58 < dongs> i hit 'download to flash" in keil
2012-11-07T15:31:01 < dongs> or crossworks
2012-11-07T15:31:03 < dongs> and it just.. works
2012-11-07T15:31:17 < zyp> Laurenceb, that's what I used before I bought a BMP, and I never had to hit reset manually
2012-11-07T15:31:20 < zyp> it just worked
2012-11-07T15:31:41 < zyp> except when it didn't and had to be powercycled
2012-11-07T15:31:42 < Laurenceb> hmm wtf
2012-11-07T15:31:47 < Laurenceb> lol
2012-11-07T15:31:59 < Laurenceb> so how did you load some code and set it running?
2012-11-07T15:32:11 < zyp> load and run in gdb?
2012-11-07T15:32:19 < Laurenceb> weird
2012-11-07T15:32:35 < Laurenceb> i have to hit reset manually
2012-11-07T15:33:06 < Laurenceb> but not on my F1 boards
2012-11-07T15:33:18 < jpa-> Laurenceb: i have to hit reset all the time with F4
2012-11-07T15:33:36 < zyp> I've used it with both F1 and F4 without ever having to hit reset
2012-11-07T15:33:57 < jpa-> as soon as the user application uses any interrupts, DMA or something, the texane/stlink F4 flash loader seems to break - and yes, i have NRST connected from stlink to the board
2012-11-07T15:34:00 < zyp> maybe something changed since I stopped using it and broke something?
2012-11-07T15:34:08 < jpa-> zyp: very much possible
2012-11-07T15:34:18 < zyp> hmm
2012-11-07T15:35:10 < zyp> actually, I committed the F4 flashloader stuff after I had stopped using st-link, maybe it's my fault? :D
2012-11-07T15:35:46 < jpa-> :D
2012-11-07T15:36:02 <+Steffanx> Yes, it's all your fault
2012-11-07T15:36:47 < jpa-> a probably separate issue is that after loading an application, i have to hit reset manually to ensure that the hardware state is "just like after power up reset"
2012-11-07T15:39:30 < Laurenceb> jpa-: yeah
2012-11-07T15:39:33 < Laurenceb> thats my issue
2012-11-07T15:39:38 < Laurenceb> never happens on F1
2012-11-07T15:39:56 < Laurenceb> in a sec ill hook up a scope and see if st-util pulses nrst low
2012-11-07T15:43:29 < Laurenceb> it really seems like st-util is not pulsing nrst low
2012-11-07T15:45:30 < jpa-> when you connect with gdb, it does pulse nrst; but not when flashing i think
2012-11-07T15:46:17 < Laurenceb> tiem to get out texane source
2012-11-07T15:46:39 < Laurenceb> rub some salt in those sores
2012-11-07T15:48:33 < karlp> zyp: re pasting+placing both sides before the overn, they did it that way once, and it worked, but not nearly as well as doing each side in separate trips to the oven.
2012-11-07T15:49:06 < karlp> unsoldered paste kept some passives on, but so8 stuff fell off it was doing it in one hit
2012-11-07T15:49:23 < dongs> http://i.imgur.com/8Gzl1.jpg smartcard troll complete
2012-11-07T15:49:44 < Laurenceb> wow
2012-11-07T15:49:49 < Laurenceb> pink pcbs do exist
2012-11-07T15:50:13 < dongs> thought youd like that
2012-11-07T15:50:25 < zyp> Laurenceb turned soo jealous now
2012-11-07T15:50:29 < Laurenceb> hehe
2012-11-07T15:50:41 < Laurenceb> is your datalogger clone ready yet?
2012-11-07T15:50:53 < zyp> karlp, that's what I expected
2012-11-07T15:53:19 < karlp> dude just tried one evening when he wanted to go home.
2012-11-07T15:53:37 < dongs> Laurenceb: ordered uSD sockets, stencil arrive somtime this/next week. got other crap in queue
2012-11-07T15:53:58 < dongs> i made the pcb and tested it, the other shit works, will try usd after i get stencil+sockets
2012-11-07T15:55:54 < dongs> bedtime
2012-11-07T15:57:48 <+Steffanx> gn
2012-11-07T16:00:17 < Laurenceb> is this valid c code?
2012-11-07T16:00:30 < Laurenceb> if(a=foo(b))
2012-11-07T16:00:35 < Laurenceb>  {  bah
2012-11-07T16:00:41 < zyp> yes
2012-11-07T16:00:52 < Laurenceb> runs of a is true?
2012-11-07T16:00:56 < Laurenceb> *if
2012-11-07T16:01:32 < zyp> yes, after a is set to return value of foo(b)
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2012-11-07T16:15:23 < Laurenceb> ok
2012-11-07T16:15:25 < Laurenceb>  * TODO - not convinced this does anything...
2012-11-07T16:15:25 < Laurenceb>  * @param sl
2012-11-07T16:15:25 < Laurenceb>  */
2012-11-07T16:15:25 < Laurenceb> void _stlink_usb_reset(stlink_t * sl) {
2012-11-07T16:15:32 < Laurenceb> ^interesting
2012-11-07T16:16:05 <+Steffanx> heh
2012-11-07T16:16:40 <+Steffanx> "@param sl" love it when people use the java-doc-ish comments but not actually comment anything :)
2012-11-07T16:17:28 < Laurenceb> maybe F4discovery is running different stlink firmware?
2012-11-07T16:17:49 <+Steffanx> Different than .. v2 ?
2012-11-07T16:18:00 <+Steffanx> *other than
2012-11-07T16:18:04 < Laurenceb> maybe they called it v2 and it works with their drivers
2012-11-07T16:18:12 < Laurenceb> but they subtly changed something
2012-11-07T16:18:19 < Laurenceb> and broke reset in texane
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2012-11-07T16:20:47 < alexn> ni. it works ;-)
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2012-11-07T16:29:26 < jpa-> Laurenceb: i'm quite sure it manages to reset in some situations
2012-11-07T16:29:45 < Laurenceb> interesting
2012-11-07T16:30:00 < Laurenceb> unfortunately ive got work to do atm
2012-11-07T16:30:09 < Laurenceb> not enough time to delve through the source
2012-11-07T16:31:13 < jpa-> yeah, and i kind of like the reset button
2012-11-07T16:31:17 < jpa-> it keeps my finger well trained
2012-11-07T16:31:42 <+Steffanx> You wife likes that uh?
2012-11-07T16:31:47 <+Steffanx> Sorry, ignore me
2012-11-07T16:32:28 < jpa-> that button is not called "reset" in our family
2012-11-07T16:32:41 <+Steffanx> "it keeps my finger well trained"
2012-11-07T16:33:08 < Laurenceb> oh dear
2012-11-07T16:33:33 < Laurenceb> noob:  "i tried to open the data in excel"
2012-11-07T16:33:54 < Laurenceb> noob: "my pc crashed"
2012-11-07T16:34:01 < Laurenceb> me: "ho big is the data"
2012-11-07T16:34:10 < Laurenceb> n00b: "10GB"
2012-11-07T16:34:39 < Laurenceb> they tried to open 10GB of logged ascii in excel
2012-11-07T16:36:01 < jpa-> but how else would you make nice graphs
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2012-11-07T16:42:25 < jpa-> Laurenceb: btw, i'm using L1 discovery for flashing the F4
2012-11-07T16:42:34 < jpa-> so probably not F4 discovery specific issue
2012-11-07T16:42:57 < Laurenceb> ah interesting
2012-11-07T16:43:00 < Laurenceb> very odd
2012-11-07T16:43:18 < Laurenceb> as the f4specific code in texane is small
2012-11-07T16:43:21 < jpa-> i can't remember if that L1 discovery worked better or not with L1 processor
2012-11-07T16:43:39 < jpa-> because i was so awesome that i didn't have to debug or reflash my code so many times
2012-11-07T16:44:12 < jpa-> now i've stopped being awesome and i am pressing reset 500 times a day
2012-11-07T16:44:32 <+Steffanx> Time to get a bmp jpa- :P
2012-11-07T16:44:41 <+Steffanx> *bmpm
2012-11-07T16:44:52 < jpa-> probably
2012-11-07T16:44:57 < jpa-> but it has some silly connectors
2012-11-07T16:45:04 < jpa-> and i don't know if it comes with nice cables or not
2012-11-07T16:45:14 <+Steffanx> Get some silly converters too
2012-11-07T16:45:20 < jpa-> from where?
2012-11-07T16:45:25 <+Steffanx> ebay
2012-11-07T16:46:13 < jpa-> you mean one of these? http://www.ebay.com/sch/i.html?_trksid=p5197.m570.l1313&_nkw=black+magic+probe
2012-11-07T16:47:31 <+Steffanx> Sure
2012-11-07T16:50:45 < Laurenceb> http://www.svrsig.org/screenshot.gif
2012-11-07T16:50:54 < jpa-> i can stick one of those up your ass, but it won't help me debugging
2012-11-07T16:50:56 < Laurenceb> ^ possibly the nerdiest thing ever
2012-11-07T16:51:38 <+Steffanx> jpa- needs some sleep
2012-11-07T16:53:00 <+Steffanx> esden claims the one they sell comes with teh same connector as the FLOSS JTAG .. but i have no idea which one that is :)
2012-11-07T16:53:06 <+Steffanx> And it adds 15$
2012-11-07T16:53:22 < BrainDamage> floss?
2012-11-07T16:53:55 <+Steffanx> Some jtag thinky he developed
2012-11-07T16:55:20 < Laurenceb> stlink_reset(sl); is called before and after flash write in texane
2012-11-07T16:55:42 < jpa-> Steffanx: yeah, so, crazy difficult to simply get black magic probe with simple cable to 0.1" pin header connector
2012-11-07T16:57:42 < emeb_mac> I just bought some 10-pin mini cables, cut one in half and soldered a 0.1" 6-pin socket on. Easy.
2012-11-07T16:58:06 < jpa-> "yay" :)
2012-11-07T16:58:12 < jpa-> but yeah, i guess i might do that some time
2012-11-07T16:58:18 <+Steffanx> Ha
2012-11-07T16:58:35 < jpa-> sounds awful lot of hassle for such a high pricetag
2012-11-07T16:59:07 <+Steffanx> but it gives your finger some rest
2012-11-07T16:59:16 <+Steffanx> Such a low price tag for some rest
2012-11-07T16:59:31 < emeb_mac> that's what we get for using non-standard ST-Link swd hookups I guess.
2012-11-07T17:00:00 < jpa-> true
2012-11-07T17:01:31 < emeb_mac> I suppose it's an opportunity for someone to clone the BMPM with an ST-Link compatible connector.
2012-11-07T17:01:48 < zyp> I've considered doing that
2012-11-07T17:01:51 <+Steffanx> Thorn was working on one?
2012-11-07T17:02:05 < emeb_mac> it would be easy to do, esp if you stayed within gEDA/PCB
2012-11-07T17:02:38 < jpa-> bah, simply making and selling converter cables would be enough
2012-11-07T17:02:43 < emeb_mac> Steffanx: yeah I think so, but he was pimping it up somehow.
2012-11-07T17:03:40 < zyp> I was thinking about doing both 20-pin female connector on the board edge, mini-10pin and individual 0.1" pins for flywire hookups
2012-11-07T17:04:05 < zyp> and the latter might as well follow discovery-stlink pinout
2012-11-07T17:04:27 < jpa-> btw, does the bmp have some a usb-serial converter also? i remember seeing something like that
2012-11-07T17:04:34 < zyp> yep
2012-11-07T17:04:39 < jpa-> that's nice
2012-11-07T17:04:56 < zyp> based on all the stuff I'm hooking my BMP to, all those three connectors would be nice to have
2012-11-07T17:05:00 < emeb_mac> lol -> http://www.goldmine-elec-products.com/prodinfo.asp?number=G17048
2012-11-07T17:05:09 < emeb_mac> smokin' deal for qty purchase!
2012-11-07T17:05:25 < zyp> :D
2012-11-07T17:05:25 <+Steffanx> heh
2012-11-07T17:06:35 <+Steffanx> Looks like a nice screenish thiny for 5.50$
2012-11-07T17:06:46 < emeb_mac> could be.
2012-11-07T17:07:08 < emeb_mac> says touch-screen, but hard to tell what type of sensor it uses.
2012-11-07T17:07:19 <+Steffanx> And of course no datasheet
2012-11-07T17:07:29 < Laurenceb> the quality of those is piss poor
2012-11-07T17:07:40 < jpa-> "We believe that these are monochromatic."
2012-11-07T17:07:43 < jpa-> tells a lot
2012-11-07T17:08:26 < jpa-> crazy amount of chips to drive a small display
2012-11-07T17:08:33 < emeb_mac> that vendor is about 20mi away from me. Still takes ~1wk for deliveries and they don't accept walk-ins.
2012-11-07T17:08:40 <+Steffanx> heh
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2012-11-07T17:10:54  * emeb_mac considers re-layout of the BMPM w/ useful connectors.
2012-11-07T17:11:52 < zyp> do it with edge-female-20-pin and mini-10pin, so I don't have to :p
2012-11-07T17:12:15 < emeb_mac> hmmmm.
2012-11-07T17:12:34 < emeb_mac> I suppose. I've got some old stuff that uses the 20-pin format.
2012-11-07T17:12:56 < zyp> I figure that the 20-pin connector is so huge that one might as well just plug it directly into the board when using that
2012-11-07T17:13:44 < jpa-> if you do it with 0.1" pin header and mini-10pin, i will buy one
2012-11-07T17:13:54 < emeb_mac> could prolly fit it into about 1"x1". Be stupid cheap for boards @ OSHPark.
2012-11-07T17:14:25 < emeb_mac> what about the serial port? what conn for that?
2012-11-07T17:14:42 < zyp> dunno, I haven't used it
2012-11-07T17:14:49 < zyp> just tx/rx/gnd on pins maybe?
2012-11-07T17:14:55 < emeb_mac> yeah.
2012-11-07T17:15:17 < jpa-> pin header would be ok for me, RX, GND, TX is the order i often use but GND, RX, TX is common also
2012-11-07T17:15:27 < emeb_mac> BMPM puts the SWD pins of it's proc on that conn. Maybe put them on a separate pin header too?
2012-11-07T17:15:50 < jpa-> could be, or atleast have holes for them
2012-11-07T17:16:07 < emeb_mac> you need them for the initial firmware load.
2012-11-07T17:16:24 < emeb_mac> since it uses its own bootloader
2012-11-07T17:17:13 < jpa-> ah
2012-11-07T17:18:29 < emeb_mac> need to ping Thorn and see where he stands on his design. See if this is worth pursuing.
2012-11-07T17:18:38 < emeb_mac> but it could be quick to do.
2012-11-07T17:20:06 < Thorn> I'm here
2012-11-07T17:20:36 < emeb_mac> talking about relayout of BMPM - weren't you working on that already?
2012-11-07T17:21:42 < Thorn> I finished the layout but haven't ordered boards yet, got bogged down in work and other projects that I wanted to combine in a single order aren't finished yet
2012-11-07T17:22:25 < emeb_mac> what connectors does yours support? mini-10pin, ST-Link, old 20-pin?
2012-11-07T17:22:27 < Thorn> maybe I'll even redo the layout to add that edge connector once I get to it
2012-11-07T17:23:03 < Thorn> cortex debug 0.05", old 20-pin and cortex debug 0.1"
2012-11-07T17:24:03 < emeb_mac> hmm, but not the 6-pin 0.1" ST-Link style?
2012-11-07T17:24:13 < jpa-> what is "cortex debug"?
2012-11-07T17:24:58 < Thorn> st-link as in onboard st-link in discovery boards?
2012-11-07T17:25:23 < Thorn> don't people use individual wires with that?
2012-11-07T17:25:34 < Thorn> this one seems to be 20 pin http://www.st.com/internet/com/MULTIMEDIA_RESOURCES/IMAGE/BOARD_PHOTO/stlinkgreycablewhite.jpg
2012-11-07T17:25:48 < Thorn> cortex debug is the new 10-pin connector without jtrst
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2012-11-07T17:40:58 < Laurenceb> http://kamami.com/index.php?ukey=product&productID=46563
2012-11-07T17:40:59 < Laurenceb> wut
2012-11-07T17:41:05 < Laurenceb> i thought that was dead
2012-11-07T17:41:17 <+Steffanx> it is
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2012-11-07T18:12:10 < Laurenceb> PID_State Pressure_PID_Controllers[This_Config->Number_Setpoints]={};
2012-11-07T18:12:15 < Laurenceb> ^why is that bad?
2012-11-07T18:14:00 < Laurenceb> isnt it allowed in c99 or whatever?
2012-11-07T18:19:56 < Laurenceb> oh
2012-11-07T18:19:58 < Laurenceb> ((Pressure_Config_Type*)This_Config)->PID_Loop_Config
2012-11-07T18:20:00 < Laurenceb> stupid c
2012-11-07T18:21:51 <+Steffanx> C is as stupid as the one who write the code
2012-11-07T18:23:34 < jpa-> the smartness of C is in the spaces
2012-11-07T18:24:27 <+Steffanx> :D :D
2012-11-07T18:26:46 <+Steffanx> jpa- you deserve the joke of the day award
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2012-11-07T18:42:38 < Laurenceb> http://www.b3tards.com/u/e9a0150312f9f43986ad/spider-goat.gif
2012-11-07T18:43:54 < karlp> where were you the other night when that first turned uphere?
2012-11-07T18:44:33 < Laurenceb> doh
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2012-11-07T19:13:43 < Laurenceb> wtf
2012-11-07T19:13:53 < Laurenceb> nvm
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2012-11-07T19:14:16 < emeb> gtg
2012-11-07T19:14:17 <+Steffanx> lol
2012-11-07T19:14:18 < emeb> fml
2012-11-07T19:14:37 <+Steffanx> have fun
2012-11-07T19:17:51 < Laurenceb> i set a uint32_t to be equal to a uint8_t
2012-11-07T19:18:08 < Laurenceb> the uint32_t is 4 copies of the uint8
2012-11-07T19:18:19 < Laurenceb> - each byte is a copy of the uint8
2012-11-07T19:18:28 < emeb> cool!
2012-11-07T19:19:11 < emeb> how'd you manage to do that?
2012-11-07T19:20:59 < Laurenceb> is that how it usually works?
2012-11-07T19:21:10 < emeb> not in my experience.
2012-11-07T19:21:19 < emeb> upper bytes should be 0.
2012-11-07T19:21:20 < Laurenceb> odd
2012-11-07T19:21:25 <+Steffanx> even
2012-11-07T19:21:47 < emeb> Steffanx: why do you contradict people?
2012-11-07T19:22:11 <+Steffanx> because I can
2012-11-07T19:22:26 < prog> he has a "+" next to his nickname
2012-11-07T19:22:47 < prog> he can say anything and it will be correct
2012-11-07T19:22:58 < emeb> the proper answer is "I don't."
2012-11-07T19:23:04 < prog> that's how IRC was designed
2012-11-07T19:23:09 < emeb> http://www.youtube.com/watch?v=_PJzMHObabo
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2012-11-07T19:24:19 <+Steffanx> That's something from 'before my time'
2012-11-07T19:24:34  * emeb feels like a fossil... again.
2012-11-07T19:25:32 < Laurenceb> oh wait
2012-11-07T19:25:35 < Laurenceb> my mistake
2012-11-07T19:35:53 < zyp> 18:21:19 < emeb> upper bytes should be 0.
2012-11-07T19:35:59 < zyp> no, they are undefined
2012-11-07T19:36:13 < zyp> or wait
2012-11-07T19:36:16 < emeb> really?
2012-11-07T19:36:19 < upgrdman_> they should be zero
2012-11-07T19:36:26 < zyp> sorry, I'm misinterpreting you
2012-11-07T19:36:41 < upgrdman_> uint32_t i = 32; // ==32, not 3 random bytes, and 32
2012-11-07T19:36:52 < zyp> I was thinking about how uint8_t variables are stored in 32-bit registers :p
2012-11-07T19:37:01 < upgrdman_> ah
2012-11-07T19:37:09 < emeb> yeah - different
2012-11-07T19:37:25 < Laurenceb> it was the way i was typecasting
2012-11-07T19:37:38 < upgrdman_> how did you do it
2012-11-07T19:37:41 < Laurenceb> it was copying in other bytes
2012-11-07T19:37:46 < upgrdman_> o
2012-11-07T19:37:55 < zyp> pointer cast?
2012-11-07T19:37:57 < emeb> neat trick though
2012-11-07T19:38:01 < upgrdman_> cast an 8 as a 32, and got surrounding bytes?
2012-11-07T19:38:02 < Laurenceb> chMBPost(&Pressures_Setpoint, *(msg_t*)&pressure_set_array[n], TIME_IMMEDIATE)
2012-11-07T19:38:20 < Laurenceb> pressure_set_array is uint8_t
2012-11-07T19:38:30 < emeb> so you got other elements of the array too
2012-11-07T19:38:35 < Laurenceb> yes
2012-11-07T19:38:51 < upgrdman_> msg_t is 32?
2012-11-07T19:38:58 < Laurenceb> yes
2012-11-07T19:39:06 < emeb> "do what I mean, not what I say!"
2012-11-07T19:39:07 < upgrdman_> :)
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2012-11-07T21:31:22 < ds2> which STM32 have these 5V tolerant pins?
2012-11-07T21:31:30 <+Steffanx> All of them?
2012-11-07T21:32:18 < Laurenceb_> troll question
2012-11-07T21:32:20 < jpa-> but only some of the pins :)
2012-11-07T21:32:31 < jpa-> and in analog mode none :P
2012-11-07T21:32:59 <+Steffanx> Some = most of the pins :P
2012-11-07T21:33:36 <+Steffanx> Some states it's somewhere between 0 and 50%. But i'm sure it's more than 50% :P
2012-11-07T21:34:22 <+Steffanx> Aw, you are right
2012-11-07T21:34:27 <+Steffanx> It totally depends on the model
2012-11-07T21:34:37 <+Steffanx> For F1 it seems to be most of them, for F3 'some' :P
2012-11-07T21:35:55 <+Steffanx> F4 also most of them. So you just have to be careful and read the datasheet ds2 :)
2012-11-07T21:36:26 <+Steffanx> The datasheets list them als FT in the pin and ball definitions table
2012-11-07T21:36:54 <+Steffanx> </blog>
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2012-11-07T21:37:58 <+Steffanx> Laurenceb_ .. google still doesn't know what the blaxter ratio is. You have to spam a little more!
2012-11-07T21:40:35 < ds2> no, that is a real question
2012-11-07T21:40:49 <+Steffanx> And you got a real answer
2012-11-07T21:40:59 < ds2> I read the data sheet and all it says is up to Vdd + a diode drop
2012-11-07T21:41:15 < ds2> hence the reason I am wondering what I am I missing about the 5V tolerant pins
2012-11-07T21:41:31 <+Steffanx> Which device?
2012-11-07T21:41:36 < ds2> STM32F103
2012-11-07T21:41:47 < ds2> there is even an app note saying do not exceed voltage
2012-11-07T21:42:32 < jpa-> ds2: check the I/O Level column in the "pin definitions" table
2012-11-07T21:42:38 < ds2> blah, can't find that note
2012-11-07T21:42:45 <+Steffanx> Yeah, FT = Five volt tolerant
2012-11-07T21:42:48 < ds2> jpa-: wich doc? datasheet? usermanual?
2012-11-07T21:42:56 < jpa-> and correspondingly "IO FT input high level voltage" in the I/O port characteristics
2012-11-07T21:42:57 < jpa-> datasheet
2012-11-07T21:43:00 <+Steffanx> The datasheet
2012-11-07T21:43:06 < ds2> let me look at that
2012-11-07T21:43:25 < jpa-> i'm looking at Doc ID 14611 Rev 8 for STM32F103xC,D,E
2012-11-07T21:43:49 <+Steffanx> The table in chapter 3 - Pinouts and pin description
2012-11-07T21:44:12 < ds2> Ohhh so that's what it means
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2012-11-07T21:44:30 < ds2> I been looking at the electrical characteristics part
2012-11-07T21:44:44 <+Steffanx> You didn't read the (2) after "I / O Level" :P
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2012-11-07T21:44:57 < jpa-> the datasheet is full of footnotes saying  FT = Five-volt tolerant.
2012-11-07T21:45:17 <+Steffanx> That's not what it says
2012-11-07T21:45:20 <+Steffanx> "FT = 5 V tolerant." :P
2012-11-07T21:45:43 <+Steffanx> Yes, sometimes i get tired of myself too
2012-11-07T21:46:26 < jpa-> mine says "Five-volt" :)
2012-11-07T21:46:46 < ds2> okay thanks. somehow I manage to miss the FT part so I been looking all over for the 5V tolerant lines
2012-11-07T21:47:34 <+Steffanx> Mine actually doesn't talk, jpa-
2012-11-07T21:48:48 < jpa-> Steffanx: mine is a bit special
2012-11-07T21:48:49 < jpa-> just like me
2012-11-07T21:49:09 <+Steffanx> Can't agree more
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2012-11-07T22:04:06 < emeb> snarky goodness. is that what's meant by "the two minutes of hate/love"?
2012-11-07T22:04:56 <+Steffanx> It doesn't say "hate/love" It says "/hate/love"
2012-11-07T22:05:13 < emeb> ahhh. i feel better now.
2012-11-07T22:05:42 <+Steffanx> perhaps i should change it to /hate/love/g :P
2012-11-07T22:06:09 < emeb> sed ftw
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2012-11-07T23:02:55 < Laurenceb_> http://dudelol.com/img/great-family-film.jpg
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2012-11-07T23:30:46 <+dekar> obvious troll is obvious
2012-11-07T23:30:50 <+dekar> and I mean the OP
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2012-11-08T00:33:17 < dongs> http://www.fizoptika.com/docs/fizoptika_eng66.pdf ill take 3
2012-11-08T00:36:21 < karlp> I don't shit about gyros, is that thing way better or way worse than mems ones that you guys all use?
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2012-11-08T00:38:42 < dongs> karlp: they're several grand per axis
2012-11-08T00:38:57 < dongs> yeah, fiber optic ones are unaffected by vibration/etc
2012-11-08T00:39:15 < dongs> thats what tehy use in aerospace and such. probably not from these ex-USSR guys thou
2012-11-08T00:40:26 < dongs> http://www.fizoptika.com/images/big59.jpg http://www.fizoptika.com/images/big58.jpg
2012-11-08T00:40:59 < karlp> I guess if it vibrates the "clockwise" and "anticlockwise" beams suffer the same vibrations, so cancel out.
2012-11-08T00:41:13 < karlp> and all that matters is the rotation on the axis they're aligned to.
2012-11-08T00:41:31 < dongs> last i looked there was a pretty decent writeup on how fiber optic gyro stuff works on wikipedo
2012-11-08T00:41:54 <+Steffanx> Why you never showed me this website Laurenceb? http://heeeeeeeey.com/
2012-11-08T00:41:55 < dongs> basically the light in a long spool of fiber will deflect or something depending on rotation of the axis its rolled around
2012-11-08T00:42:28 <+Steffanx> zlog
2012-11-08T00:42:29 < zlog> Steffanx: Log stored at http://tom-itx.dyndns.org:81/~tom-itx/irc/logs/%23%23stm32/2012-11-07.html
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2012-11-08T00:50:01 < Laurenceb_> dongs: looks quite basic
2012-11-08T00:50:13 < dongs> ya
2012-11-08T00:50:14 < Laurenceb_> but it might work well...
2012-11-08T00:50:17 < dongs> Laurenceb_: lets make some
2012-11-08T00:50:26 < Laurenceb_> invensense is getting very good
2012-11-08T00:50:35 < dongs> o'rly?
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2012-11-08T00:51:02 < Laurenceb_> well their noise is low
2012-11-08T00:51:11 < dongs> o sure
2012-11-08T00:51:11 < Laurenceb_> not sure how much this stuff drifts
2012-11-08T00:51:17 < dongs> it doesnt
2012-11-08T00:51:29 < Laurenceb_>  Analog rotation signal is next digitized by 24-bit AD converter
2012-11-08T00:51:34 < Laurenceb_> sounds good so far
2012-11-08T00:51:35 < dongs> http://www.fizoptika.com/product.php?id=30
2012-11-08T00:53:33 < Laurenceb_> no prices
2012-11-08T00:53:58 < dongs> a friend's friend bought one axis for 3.5k
2012-11-08T00:54:12 < Laurenceb_> not horrific
2012-11-08T00:54:37 < Laurenceb_> i used to work for EADS
2012-11-08T00:54:56 < Laurenceb_> no gps receivers for <UKP 1M
2012-11-08T00:55:03 < dongs> haha
2012-11-08T00:55:12 < dongs> what makes them expensive?
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2012-11-08T00:55:27 < dongs> no lockout when moving  > 100m/sec and above 20km?
2012-11-08T00:55:43 < dongs> or whatever consumer GPS limitation is
2012-11-08T00:55:43 < Laurenceb_> yeah
2012-11-08T00:55:45 <+Steffanx> I think just has an apple logo
2012-11-08T00:55:59 < dongs> isnt that strictly software limitation
2012-11-08T00:56:00 < Laurenceb_> space qualified, rad hard
2012-11-08T00:56:01 < dongs> softwar/efirmware
2012-11-08T00:56:34 < Laurenceb_> but more importantly, flight qualified
2012-11-08T00:56:51 < Laurenceb_> firmware is based on an elector electronics article for 1988
2012-11-08T00:57:01 < Laurenceb_> and hasnt be changed for over a decade
2012-11-08T00:57:29 < Laurenceb_> aaannndd thats why aerospace is boring
2012-11-08T00:58:24 < Laurenceb_> allen variance is in degrees/hour/sqrt(Hz).. wtf units
2012-11-08T00:59:05 < HTT-Bird> dongs: all the stuff that goes into flight qual is expensive.
2012-11-08T00:59:22 < HTT-Bird> not to mention that it'd be an IFR/RAIM unit.
2012-11-08T00:59:24 < Laurenceb_> yeah
2012-11-08T00:59:44 < Laurenceb_> we had team with ~20 people shifting tens of units per year
2012-11-08T01:00:01 < Laurenceb_> Bias stability, RMS	3 deg/h   <- ok that shit is _good_
2012-11-08T01:03:04 < Laurenceb_> flyback has bad everything
2012-11-08T01:03:22 < dongs> bad caps? where the fuck did you find a router wiht alu caps in 2012
2012-11-08T01:04:35 < upgrdman_> "su con this"
2012-11-08T01:05:03 <+Steffanx> Get a new one flyback
2012-11-08T01:07:24 < dongs> aahahah.
2012-11-08T01:07:35 < dongs> my managed switch uptime ran over it seems
2012-11-08T01:07:38 <+Steffanx> No evil laugh?
2012-11-08T01:07:41 < dongs> it should be same or higher than my XP capbox
2012-11-08T01:07:45 < dongs> but its showing only 250days
2012-11-08T01:07:50 < dongs> should be more liek 3 years
2012-11-08T01:07:53 <+Steffanx> Maybe it did a reboot?
2012-11-08T01:07:56 < dongs> na
2012-11-08T01:08:06 < Laurenceb_> my hard drive exploded yesterday :(
2012-11-08T01:08:10 <+Steffanx> Maybe it did a reboot 250 days ago without letting you knw
2012-11-08T01:08:19 <+Steffanx> Hardware can be bad ass you know
2012-11-08T01:08:23 < Laurenceb_> so much for my uptime record
2012-11-08T01:09:10 <+Steffanx> Who cares about uptime anyway?
2012-11-08T01:10:17 <+Steffanx> This pc has an uptime of 29 days, but sleeps every day, so it doesn't really count as 'uptime'
2012-11-08T01:10:30 < Laurenceb_> flyback: it was synced to a remote drive
2012-11-08T01:12:18 <+dekar> I recently won a bid on an awesome router on ebay. 300mbit/s wifi-n for just 12€. When I got it and unpacked it (It was new) I realized all the ethernet ports were dead. :/
2012-11-08T01:12:31 <+Steffanx> LOLOL
2012-11-08T01:13:14 <+Steffanx> dekar didn't read the desciption?
2012-11-08T01:13:52 <+dekar> Steffanx, it wasn't supposed to be broken, getting a refund. I'd rather have a working router for 12€ though...
2012-11-08T01:15:12 <+dekar> it also had usb2.0 and uboot which you could access via serial
2012-11-08T01:15:44 < baird> What brand & model was this?
2012-11-08T01:16:19 <+dekar> TP-Link TL-MR3420 3G/3.75G Wireless N Router 10/100 300Mbps
2012-11-08T01:17:17 < baird> 16M flash, 64M RAM, too...
2012-11-08T01:17:34 < baird> It'd be something of an OpenWRT godbox :)
2012-11-08T01:17:49 < karlp> godbox?
2012-11-08T01:18:07 <+dekar> I planned to install OpenWRT :/
2012-11-08T01:19:05 <+Steffanx> It was impossible to repair the ports?
2012-11-08T01:19:09 < baird> Considering what many openwrt system are (4M flash, 4-8M RAM), it certainly makes a 'god box' (as a gamer would put it)
2012-11-08T01:19:23 < karlp> um, when was the last time you actually looked at openwrt devices?
2012-11-08T01:19:38 <+Steffanx> "back in 1999"
2012-11-08T01:19:41 < baird> Probably about 6 years ago. You have a point there? :)
2012-11-08T01:19:55 < baird> There's a WRT54GL here.
2012-11-08T01:20:39 <+dekar> Steffanx, dunno what was broken, I did get a link, but no data at all. Connecting to Wifi data worked (DHCP etc)
2012-11-08T01:20:45 < karlp> it needs 4meg flash and at least 16meg ram for current releases,
2012-11-08T01:20:59 < karlp> and you normally want at least 8meg flash and 32meg ram,
2012-11-08T01:21:34 < baird> Meh. Full Linux can run in half that.
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2012-11-08T01:22:08 < karlp> bringing up a kernel is only useful for people to say, "d00d loook I got linux running on my toaster!!!!111!"
2012-11-08T01:22:17 <+dekar> karlp, I guess you could put debian on USB and use that :)
2012-11-08T01:22:31 < karlp> you can.
2012-11-08T01:22:59 < karlp> I'd kinda rather use usb for something else, but that's just me.
2012-11-08T01:23:02 <+dekar> on usb2 swapping probably isn't too bad either
2012-11-08T01:23:12 < karlp> depends what you're trying to do I guess :)
2012-11-08T01:23:48 <+dekar> actually I just want wifi-n ;)
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2012-11-08T01:28:13 < baird> The firewall at one place I admin is a Pentium box with 16MB.. ssh in to hack on its iptables script, without the drool-proof webgui admin shit like openwrt has..
2012-11-08T01:29:25  * karlp sighs.
2012-11-08T01:29:42 < karlp> you never have to  use any webgui shit anywhere you know too right?
2012-11-08T01:29:56 <+dekar> I always have to read man to work with iptables :(
2012-11-08T01:30:02 < karlp> but I guess, old hardware plus netbsd is the only way to go or something?
2012-11-08T01:31:56 < BrainDamage> do you also use dd to edit files because you don't know what shit a text editor could do to them?
2012-11-08T01:32:26 <+dekar> must be hard to do that with dd
2012-11-08T01:34:01 < dongs> lunix is all about hard
2012-11-08T01:34:23 < karlp> fuck that.
2012-11-08T01:34:31 < karlp> I avoid hard
2012-11-08T01:34:40 < karlp> droool proof whatever can be droolproofed
2012-11-08T01:35:00 < dongs> hard lunix cocks, that is.
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2012-11-08T01:39:42 <+dekar> OSX is much harder than Linux imo
2012-11-08T01:39:57 <+dekar> like how do I disable swap? (swapoff on linux)
2012-11-08T01:40:11 < dongs> http://i.imgur.com/MVYON.jpg attn Laurenceb
2012-11-08T01:40:19 <+dekar> or how do I throttle my cpu? (there's device files on linux)
2012-11-08T01:41:51 < baird> And the advantage of all the system tweaking being easily scriptable.. (And not that 'Automator' bullshit)
2012-11-08T01:44:01 < karlp> why would you _want_ to disable swap?
2012-11-08T01:44:08 < baird> The above firewall machine has its setup-the-firewall-rules.sh doing chats with the router's telnet interface for adding /22 routing and MAC filtering.. When you can get all that into an easy-to-follow bash script, it makes adminning (amoung several guys) a lot easier.
2012-11-08T01:46:04 < baird> Version control on the script, too. Not too many webgui interfaces give you the likes of "cvs diff .."
2012-11-08T01:48:05 <+dekar> karlp, https://dl.dropbox.com/u/28467113/mac_swap_fail.png
2012-11-08T01:48:14 <+dekar> cause swap is seriously broken on OSX
2012-11-08T01:49:19 <+dekar> on linux I often do swapoff followed by swapon to move everything back into ram once I have freed enough memory to contain it
2012-11-08T01:49:46 < dongs> http://i.imgur.com/5hne7.jpg
2012-11-08T01:51:34 < karlp> dekar: wat? swapoff swapon after freeing what?
2012-11-08T01:51:44 < karlp> what's the working procedure that gets you there?
2012-11-08T01:53:38 < baird> Used to have a mechanical-arm (as opposed to voice-coil) SCSI-1 harddrive loooong ago, which sounded like ED-209 from Robocop when it seeked. It was awesome having that 20MB drive as swap on an early 4MB RAM Unix box I had. :)
2012-11-08T01:54:17 < baird> To make the system a /little/ more usable, the swapping was interleaved with the 'real' swap drive.
2012-11-08T01:54:29 < baird> stepper, yep.
2012-11-08T01:54:35 <+dekar> karlp, like using a ton of VMs making my system swap a few GB, and later do the swapoff/swapon once I am done and have enough free ram again
2012-11-08T01:54:46 <+dekar> it moves everything from swap back into ram
2012-11-08T01:55:13 < karlp> how big is your swap file/partition?
2012-11-08T01:55:20 < karlp> I  just don't bother having a swap file that big.
2012-11-08T01:56:24 <+dekar> karlp, OSX swap file is growing automatically
2012-11-08T01:57:17 <+dekar> my macbook is constantly swapping for now apparent reason, upgrading to 8gb slowed it down a bit, but I get around 6gb swapped after 14 days of uptime
2012-11-08T01:57:23 <+dekar> which makes everything really laggy
2012-11-08T01:57:34 <+dekar> *for no apparent reason
2012-11-08T01:59:58 < baird> One of the first system-hacking things I did with my Panther iBook was give it a zero-fragmented swapfile ("dd if=/dev/zero .." soon after filesystem creation) .. in the hope it reducing the seeks while swapping.
2012-11-08T02:00:53 < karlp> and.... did it?
2012-11-08T02:01:46 < baird> I was learning to avoid pushing the limits of a 256MB machine at that time as well. :)
2012-11-08T02:04:10 <+dekar> I really feel like trying all the KSM/ZRAM goodness
2012-11-08T02:04:17 < dongs> http://i.imgur.com/BALUn.png totally legit
2012-11-08T02:04:23 <+dekar> UKSM patches
2012-11-08T02:07:21 < baird> http://i.imgur.com/BALLS.png
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2012-11-08T02:11:44 < baird> A while back there were compressed swap patches floating about.
2012-11-08T02:12:18 < baird> Ah, much like zram does.
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2012-11-08T05:50:55 < baird> Very stupid app idea (and abuse of MEMS sensors :P) .. http://antwest13.com.au/App.html
2012-11-08T05:54:11 < baird> video related: https://www.youtube.com/watch?v=aj4kAMuMEr4 "No place to race" motorcycle PSA.
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2012-11-08T06:53:29 < dongs> because they're all faggots??
2012-11-08T06:54:16 < ds2> ??
2012-11-08T06:57:14 < dongs> down to TWO usb sockets :(
2012-11-08T06:57:20 < dongs> hopefully 200 more shows up this evening
2012-11-08T06:57:23 < dongs> or else im fucked for tormorw
2012-11-08T06:58:07 < ds2> what do you do?
2012-11-08T06:59:43 < emeb_mac> dongs: the thu-hole USB sockets?
2012-11-08T06:59:46 < dongs> use them
2012-11-08T06:59:47 < dongs> yeah
2012-11-08T07:00:07 < dongs> I got some on the way, they were supposed to be in the last shipment of shit though but I guess the dudes fucked up
2012-11-08T07:00:49 < emeb_mac> I've got 4 left - some for the rest of the AfroLEDs and some for the F3 breakout.
2012-11-08T07:01:21 < dongs> im bummed the SPI shit coudln't be SPI
2012-11-08T07:01:28 < dongs> but I guess that leaves some free DMA for link
2012-11-08T07:01:40 < dongs> er link/chaining
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2012-11-08T07:01:53 < emeb_mac> you mean having to bit-bang the my9221 interface?
2012-11-08T07:02:00 < dongs> yeah
2012-11-08T07:02:19 < emeb_mac> silly chinese serial signals.
2012-11-08T07:02:36 < gurgalof> hello, i have a strange problem, usart stops working when using anything from math.h
2012-11-08T07:02:50 < dongs> that really is a stange problem
2012-11-08T07:02:54 < dongs> i bet youre breaking something somewehre.
2012-11-08T07:03:02 < dongs> digikey is here
2012-11-08T07:03:02 < dongs> woot
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2012-11-08T07:08:48 < gurgalof> i don't know where to start looking for the problem
2012-11-08T07:10:29 < dongs> first, what development environment are you using?
2012-11-08T07:10:53 < dongs> got some of those 0.5pF caps
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2012-11-08T07:12:37 < emeb_mac> expensive open circuits
2012-11-08T07:13:34 < gurgalof> a summon-arm toolchain with  Linaro GCC 4.6-2012.06, newlib 1.20.0
2012-11-08T07:14:11 < gurgalof> the problem is on a a stm32f100c6 device
2012-11-08T07:14:28 < gurgalof> on a f407 it works fine
2012-11-08T07:14:40 < dongs> could it be that youre building for M3/M4 with hardware divide instructions
2012-11-08T07:14:42 < dongs> while F0 lacks them?
2012-11-08T07:14:56 < emeb_mac> that's an M3
2012-11-08T07:15:08 < dongs> F100 is M3? I thought it was M0
2012-11-08T07:15:37 < emeb_mac> no - F100 is an M3. just slow.
2012-11-08T07:16:00 < emeb_mac> F05x is the only M0 so far
2012-11-08T07:17:04 < gurgalof> i have -mcpu=cortex-m3 in my makefile for the f100
2012-11-08T07:17:12 < emeb_mac> gurgalof: you sure it's just the UART that's dying, not the whole system?
2012-11-08T07:17:55 < dongs> do you have any proper debugging> or ytoure just upload and forget
2012-11-08T07:18:11 < gurgalof> emeb_mac, the usart doesnt transmitt anything, but pwm on timer3 works...
2012-11-08T07:18:30 < gurgalof> dongs, , just upload and forget
2012-11-08T07:18:37 < dongs> PWM doesnt stop when CPU crashes
2012-11-08T07:18:44 < dongs> i.e. hardfault.
2012-11-08T07:18:54 < dongs> time to invest in a debugger then
2012-11-08T07:19:04 < emeb_mac> gurgalof: how are you programming?
2012-11-08T07:19:12 < gurgalof> well the cpu updates OC values
2012-11-08T07:19:25 < gurgalof> emeb_mac, uart bootloader
2012-11-08T07:19:35 < emeb_mac> so you see the PWM duty cycle changing.
2012-11-08T07:20:02 < emeb_mac> OK - you don't have a JTAG or SWD programmer/debugger?
2012-11-08T07:20:37 < gurgalof> emeb_mac i have a stlink2 on a discoveryf4 board, but i dont have swd on my f100board
2012-11-08T07:20:56 < dongs> unforgivable omission
2012-11-08T07:21:02 < dongs> you shoudl fire your circuit designer
2012-11-08T07:21:10 < emeb_mac> heehee
2012-11-08T07:21:41 < emeb_mac> really good idea to have SWD brought out - it's only 3 pins for chrissakes.
2012-11-08T07:23:31 < gurgalof> aww, i was the circuit designer, and i couldnt get swd on a singlesided board with no jumpers...
2012-11-08T07:24:03 < emeb_mac> tack on some fly-wires?
2012-11-08T07:26:16 < emeb_mac> maybe buy an old discovery f1 (uses similar processor) and debug on that? http://www.digikey.com/scripts/dksearch/dksus.dll?vendor=0&keywords=discovery+f1
2012-11-08T07:27:35 < emeb_mac> anyway - your real question is about why linking in math lib causes uart to die.
2012-11-08T07:27:43 < emeb_mac> short answer - dunno
2012-11-08T07:28:13 < emeb_mac> long answer - you'll have to dig in and see how the math lib shifts the system resources around.
2012-11-08T07:28:19 < dongs> yeawh
2012-11-08T07:28:25 < dongs> what from math.h trips it?
2012-11-08T07:28:29 < dongs> just calling any trig function?
2012-11-08T07:28:33 < dongs> or just including it? or etc.
2012-11-08T07:28:41 < dongs> are you using hardware fp on F4
2012-11-08T07:28:47 < dongs> and forgetting to take that out f rom F0 build?
2012-11-08T07:29:03 < dongs> -m f16_sd4 or whatever the fuck the math fpu is called on F4
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2012-11-08T07:29:57 < ds2> 0.5pF?!?
2012-11-08T07:30:06 < dongs> tehy're expensive fuckers too
2012-11-08T07:30:12 < emeb_mac> what for?
2012-11-08T07:30:15 < dongs> i needed some for a 270mhz bandpass filter
2012-11-08T07:30:25 < emeb_mac> oh. RF stuff.
2012-11-08T07:30:28 < ds2> what's the dielectric?
2012-11-08T07:30:31 < dongs> C0G
2012-11-08T07:30:31 < ds2> silicon?
2012-11-08T07:30:49 < ds2> C0G is temp sensitive, right? unlike NP0
2012-11-08T07:31:29 < dongs> i think they both are
2012-11-08T07:31:40 < ds2> NP0 should be 0 temp co.
2012-11-08T07:31:40 < dongs> but you cant get low-capacitance shit in anything better
2012-11-08T07:31:42 < dongs> as far as I know
2012-11-08T07:31:54 < ds2> $$$$ stuff... only Si caps cost more
2012-11-08T07:31:55 < emeb_mac> C0G is pretty stable - 30ppm/C
2012-11-08T07:32:11 < dongs> http://www.digikey.com/product-detail/en/GQM1885C2AR50CB01D/490-3551-1-ND/789551 this is the trash I use
2012-11-08T07:32:18 < gurgalof> i use sqrt from math.h and no i dont compile for hardware float on the m3
2012-11-08T07:32:39 < gurgalof> if i just include math and dont use it its no problems
2012-11-08T07:33:11 < ds2> ouch.. 0.17/1000
2012-11-08T07:33:19 < emeb_mac> dongs: says those are NP0
2012-11-08T07:33:25 < dongs> okay, m aybe htey are then
2012-11-08T07:34:31 < ds2> why not stripline it?
2012-11-08T07:34:48 < dongs> lazy and appnote says use this, so why care
2012-11-08T07:34:57 < dongs> the shit its going in is selling for like 1000% markup
2012-11-08T07:34:58 < ds2> oh hehe
2012-11-08T07:35:07 < ds2> dongs: do you work as a CM or?
2012-11-08T07:35:34 < dongs> i could buy 10k of those caps by selling one unit wiht one of those caps in it
2012-11-08T07:36:57 < emeb_mac> dongs: do you have RF test equip to verify the circuit works as desired?
2012-11-08T07:36:59 < dongs> ds2: no, this is my stuff. i do take some assembly shit from other companies sometimes but not often
2012-11-08T07:37:05 < dongs> emeb_mac: yeah.
2012-11-08T07:37:27 < emeb_mac> cool
2012-11-08T07:38:09 < emeb_mac> anytime I see a ckt w/ caps that small I get concerned about parasitics
2012-11-08T07:39:38 < dongs> stuff works, its been verified with equipment it needs to talk to, a bunch of units are out and working for several yers already so its prob fine.
2012-11-08T07:40:13 < ds2> nice
2012-11-08T07:40:23 < dongs> if they dont like myt shit they can buy competitors stuff,, but thats 5x more expensive
2012-11-08T07:40:26 < dongs> soo.
2012-11-08T07:40:29 < emeb_mac> can't argue with working equip
2012-11-08T07:40:29 < ds2> emeb_mac: that's why I like stripline for that... I can simulate that stuff
2012-11-08T07:40:45 < emeb_mac> ds2: yep
2012-11-08T07:41:04 < emeb_mac> assuming your board house has controlled processes.
2012-11-08T07:41:06 < ds2> emeb_mac: any experience doing matching networks at 2.4GHz?
2012-11-08T07:41:46 < emeb_mac> ds2: I've done a little work up in the 2.1GHz range. Not a lot though.
2012-11-08T07:42:24 < emeb_mac> Got a good HP spectrum analyzer that goes to 3GHz, so I can fake it. :)
2012-11-08T07:42:48 < dongs> yea, my shit can do controlled impedance
2012-11-08T07:43:07 < dongs> on traces or wahetver. also get a nice test point on the pcb frame
2012-11-08T07:43:25 < emeb_mac> nice when they do that.
2012-11-08T07:43:34 < ds2> emeb_mac: thinking of tackling one of those 2.4GHz radio/SoC designs
2012-11-08T07:43:52 < emeb_mac> ds2: fun. which SoC?
2012-11-08T07:44:10 < dongs> why not just buy the 2.4g module
2012-11-08T07:44:14 < dongs> like the new TI stuff
2012-11-08T07:44:21 < ds2> emeb_mac: the nordic ones
2012-11-08T07:44:29 < emeb_mac> ds2: those are cute.
2012-11-08T07:44:36 < ds2> dongs: you mean the CC430 series?
2012-11-08T07:44:56 < emeb_mac> back about 8 yrs ago I worked with the Nordic guys on some custom stuff.
2012-11-08T07:45:04 < emeb_mac> they're smart cookies.
2012-11-08T07:45:20 < dongs> ds2: i think so, they had some new interesting looking RF stuff thats a stepup from CC2500, and murata and I think someone else had nice compact modules for them
2012-11-08T07:45:27 < dongs> with all the RF stuff figured out
2012-11-08T07:45:55 < ds2> not really
2012-11-08T07:46:07 < ds2> even the TI stuff needs a matching network for your antenna
2012-11-08T07:46:10 < ds2> I did a CC2500 design
2012-11-08T07:47:00 < emeb_mac> did it work?
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2012-11-08T07:47:15 < ds2> the output on most of those chips are balanced drivers... most antennas are single ended so you need a balun
2012-11-08T07:47:19 < dongs> a whole shitload of chinese 2.4ghz RC stuff uses CC2500
2012-11-08T07:47:25 < dongs> and its made on horrible looking pcbs
2012-11-08T07:47:28 < ds2> emeb_mac: yep... it was for a CM
2012-11-08T07:47:29 < dongs> and it works fine
2012-11-08T07:48:40 < ds2> once you get the matching right, it is fine
2012-11-08T07:48:52 < ds2> mostly component values... keeping FCC happy is another issue
2012-11-08T08:06:56 < dongs> old
2012-11-08T08:10:21 -!- claude is now known as Claude
2012-11-08T08:16:34 < dongs> attn zyp http://abuse.cc/1352352970052.jpg
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2012-11-08T09:13:27 < zyp> dongs, ok
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2012-11-08T11:08:34 < dongs> news 4 germans http://www.watterott.com/de/STM32F3DISCOVERY
2012-11-08T11:11:25 < claude_work> dongs cool thanks
2012-11-08T11:16:06 < claude_work> hehe got me A13-OLinuXino-WIFI too there :)
2012-11-08T11:18:13 < dongs> how much was that
2012-11-08T11:18:21 < dongs> is that hte newo ne?
2012-11-08T11:18:22 < dongs> new
2012-11-08T11:20:01 < claude_work> the A13?
2012-11-08T11:20:14 < dongs> ya
2012-11-08T11:20:44 < claude_work> 65 euros
2012-11-08T11:21:48 < dongs> USB: arrived
2012-11-08T11:21:50 < dongs> yay
2012-11-08T11:21:51 < claude_work> http://www.watterott.com/de/A13-OLinuXino-WIFI
2012-11-08T11:27:28 < dongs> cool
2012-11-08T11:28:11 < dongs> looks like your order went through :p
2012-11-08T11:28:15 < dongs> i saw qty on both decrease
2012-11-08T11:36:45 < claude_work> ;)
2012-11-08T11:39:23 < claude_work> and a enclosure for my rapeberry
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2012-11-08T11:57:14 < baird> I've pulled the two PSX out of the garage; will attempt to get the one with the modchip working agai..
2012-11-08T11:59:13 < baird> (PAL SCPH-7002 and a SCPH-1002..)
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2012-11-08T12:43:09 < Laurenceb_> suupp
2012-11-08T12:51:16 <+Steffanx> Thaaa skkyy broo
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2012-11-08T13:48:17 < jpa-> why the heck is the f4 usb designed the way it is?
2012-11-08T13:48:45 < jpa-> SNAK, CNAK, NAKSTS;  three separate bits to control 1 bit? wtf
2012-11-08T13:54:14 < zyp> so you don't have to do a read-modify-write to set or clear it?
2012-11-08T14:04:43 < jpa-> maybe
2012-11-08T14:05:25 < zyp> have you seen how F1 usb handles it? :p
2012-11-08T14:05:33 < zyp> toggle bits, so you write them to 1 to toggle
2012-11-08T14:06:29 < zyp> I think I prefer seperate set and clear bits over that :p
2012-11-08T14:07:57 < jpa-> true :D
2012-11-08T14:08:17 < jpa-> yay, usb mass storage works after replug also
2012-11-08T14:08:19 < zyp> http://cgit.jvnv.net/laks/tree/usb/f1_usb.h#n25 <- lines 39 and 47 are modifying the toggle bits
2012-11-08T14:08:39 < jpa-> the driver wasn't clearing the NAK bit, so, surprisingly, data wasn't quite getting through after USB reset
2012-11-08T14:09:04 < jpa-> huge 15 bytes / second read speed :D
2012-11-08T14:09:19 < zyp> heh
2012-11-08T14:09:26 < jpa-> i have register debug on, so it dumps *all* register accesses over the 115kbaud serial :)
2012-11-08T14:10:32 < zyp> the nak stuff and flow control in general is stuff I haven't fully figured out how to do a sane API for yet
2012-11-08T14:13:02 < jpa-> usb msc stall is an interesting thing
2012-11-08T14:14:14 < zyp> interesting how?
2012-11-08T14:14:59 < jpa-> the standard says that if your response is not the maximum length, you have to stall the IN endpoint (instead of the usual USB way of just sending a short packet)
2012-11-08T14:15:20 < jpa-> but apparently ST's own MSC driver doesn't do that; and it works just fine
2012-11-08T14:15:44 < jpa-> and it seems that my normal USB stick doesn't do that either
2012-11-08T14:16:07 < jpa-> and if i comment it out in nuttx code, it also works fine
2012-11-08T14:17:52 < zyp> stall is the usb way of signalling an error state on an endpoint
2012-11-08T14:23:00 < zyp> ah, I found the part in the standard you are referring to
2012-11-08T14:23:57 < zyp> it makes sense
2012-11-08T14:24:13 < zyp> The device may end the transfer with a short packet.
2012-11-08T14:24:13 < zyp> The device shall STALL the Bulk-In pipe.
2012-11-08T14:25:19 < zyp> the host will only receive a stall handshake if it actually tries reading from that IN endpoint while it's stalled, so it's sort of an error condition
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2012-11-08T14:36:01 < dongs> http://i.imgur.com/VG98V.png awesome
2012-11-08T14:37:08 < zyp> I first thought that was the new win8 BSOD
2012-11-08T14:37:25 < dongs> youre not far off
2012-11-08T14:38:01 < claude_work> powerpoint! the BSOD of meetings ;)
2012-11-08T14:38:51 < dongs> is ^ C++11 bullshit?
2012-11-08T14:39:02 < Laurenceb> wtf
2012-11-08T14:39:09 < Laurenceb> could they make it any more complex
2012-11-08T14:39:37 < zyp> yeah, they could add some spaces
2012-11-08T14:39:42 < Laurenceb> lol
2012-11-08T14:39:57 < dongs> taht style is mostly OK
2012-11-08T14:40:01 < dongs> only extra spaces around ()
2012-11-08T14:40:02 < dongs> i hate that shit
2012-11-08T14:40:33 < zyp> is that supposed to be C++?
2012-11-08T14:40:36 < dongs> yes
2012-11-08T14:40:50 < zyp> I have no idea what the ^ stuff is
2012-11-08T14:40:50 < BrainDamage> I wonder tough whylaurencebdoesn'tskipspaceinircaswell
2012-11-08T14:40:57 < jpa-> zyp: yeah.. but linux tries to read the command status after the short packet, and it doesn't get it because of stall, and then it starts issuing usb reset
2012-11-08T14:41:18 < dongs> < jpa-> zyp: yeah.. but lunix tries to read < found your problem
2012-11-08T14:41:30 < jpa-> dongs: windows says "blong" and does nothing
2012-11-08T14:41:41 <+Steffanx> Ha
2012-11-08T14:41:45 < jpa-> it is too smart and realizes that my device is utter bullshit, and refuses to communicate
2012-11-08T14:42:08 <+Steffanx> It doesn't say "dum dum dum"?
2012-11-08T14:42:12 < zyp> jpa-, well, following the spec shouldn't be a problem, so there has to be something else wrong then :p
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2012-11-08T14:43:56 < dongs> STM32F4xx_DSP_StdPeriph_Lib_V1.0.1 is this latest still?
2012-11-08T14:44:25 <+Steffanx> go to st.com?
2012-11-08T14:44:46 < jpa-> zyp: yeah, the nuttx guy says that the usbmsc stall works on other mcus, so it is probably something wrong in the way the stm32f4 driver does the stall
2012-11-08T14:45:07 < dongs> haha, go to st.com
2012-11-08T14:45:25 < zyp> «under construction»
2012-11-08T14:45:28 < zyp> :D
2012-11-08T14:45:39 < Laurenceb>   in b4 animated gif
2012-11-08T14:46:01 < dongs> k 1.01 is stli lalets
2012-11-08T14:46:04 < dongs> lates
2012-11-08T14:46:04 < dongs> t
2012-11-08T14:46:13 <+Steffanx> Here only st.com failes, the pages you need don't fail
2012-11-08T14:46:18 <+Steffanx> -e
2012-11-08T14:47:25 < dongs> ohh, attn Laurenceb http://www.st.com/internet/com/SOFTWARE_RESOURCES/TOOL/CONFIGURATION_UTILITY/current_sensing_amp_stage_config_design_tool.zip
2012-11-08T14:48:18 <+Steffanx> excel ...
2012-11-08T14:48:24 < dongs> yes?
2012-11-08T14:48:30 < dongs> waht normal people use
2012-11-08T14:48:42 < Laurenceb> eww excel
2012-11-08T14:48:46 <+Steffanx> So you don't use it?
2012-11-08T14:48:47 < Laurenceb> and?
2012-11-08T14:48:53 < Laurenceb> of course i dont use it
2012-11-08T14:49:00 <+Steffanx> it seems to be pretty standard stuff dongs ..
2012-11-08T14:49:03 < Laurenceb> i know how to do current sensing
2012-11-08T14:49:24 < Laurenceb> or is it about F3 integrated opamps?
2012-11-08T14:49:55 <+Steffanx> Probably not
2012-11-08T14:54:48 < dongs> Hmm waht the fuck
2012-11-08T14:55:04 < dongs> oh now it works
2012-11-08T14:55:07 < dongs> man stlink is such trash
2012-11-08T14:55:31 < dongs> too lazy t o hookup a proper debugger
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2012-11-08T15:01:48 < Laurenceb> lol
2012-11-08T15:01:58 < Laurenceb> http://maps.google.co.uk/?ll=52.766936,-1.232239&spn=0.004888,0.009645&t=h&z=17&layer=c&cbll=52.766837,-1.232329&panoid=zELy4lrRT5MUGYAHv6zwUA&cbp=12,216.34,,0,46.05
2012-11-08T15:02:15 < dongs> wat
2012-11-08T15:02:23 < Laurenceb> streetbike
2012-11-08T15:02:40 < Laurenceb> check the helmet
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2012-11-08T15:12:31 < dongs> i hate writing lame startup code
2012-11-08T15:12:33 < dongs> for each proj
2012-11-08T15:12:47 <+Steffanx> Google .. that's all Laurenceb ?
2012-11-08T15:12:58 < dongs> paste some 4chan shit
2012-11-08T15:12:58 < dongs> asap
2012-11-08T15:13:01 < dongs> Steffanx is bored
2012-11-08T15:13:09 < dongs> needs chix with dix
2012-11-08T15:13:13 <+Steffanx> http://heeeeeeeey.com/
2012-11-08T15:13:16 < dongs> old
2012-11-08T15:13:20 <+Steffanx> don't care
2012-11-08T15:13:23 <+Steffanx> You wanted to see something
2012-11-08T15:13:23 < dongs> 07:41 <+Steffanx> Why you never showed me this website Laurenceb? http://heeeeeeeey.com/
2012-11-08T15:13:27 < dongs> 22:13 <+Steffanx> http://heeeeeeeey.com/
2012-11-08T15:13:29 < dongs> i dont getr it
2012-11-08T15:13:43 <+Steffanx> You didn't say you wanted to see something new
2012-11-08T15:13:49 <+Steffanx> You have to be more specific next time
2012-11-08T15:15:13 <+Steffanx> So you want some trolling dongs?: https://www.youtube.com/watch?v=Z9KHqkTOQKU&feature=plcp
2012-11-08T15:15:21 <+Steffanx> Also old.. aw
2012-11-08T15:19:02 < dongs> old and unfunny
2012-11-08T15:19:11 < dongs> i couldnt even figure out waht hte fuck was going on
2012-11-08T15:19:15 < dongs> until like 5 minutes into this trash
2012-11-08T15:19:24 < dongs> is this waht people consider "entertainment" in Q4 2012???
2012-11-08T15:20:16 <+Steffanx> Dongs gets old and grumpy can't help him with that
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2012-11-08T15:20:27 < dongs> when im initing all GPIO as Mode_AIN on F4, do i need to exclude the 2 SWD pins?
2012-11-08T15:20:37 < dongs> i.e. pa13/14
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2012-11-08T15:24:16 < SuicideFunky> hi
2012-11-08T15:24:27 < dongs> heeeeeeeey
2012-11-08T15:24:36 <+Steffanx> .com
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2012-11-08T15:30:20 < SuicideFunky> hello dongs
2012-11-08T15:30:39 < zyp> dongs, why are you initing all GPIO as analog in?
2012-11-08T15:30:58 < dongs> zyp, to reduce power consumption and to initialize to known state
2012-11-08T15:31:04 < dongs> pretty sure its recommended somewehre in ref manual
2012-11-08T15:31:14 < zyp> [citation needed]
2012-11-08T15:31:40 < zyp> isn't reset state digital in for most pins anyway?
2012-11-08T15:32:45 < zyp> seems pointless to initialize all gpio when they already have a defined reset state
2012-11-08T15:34:02 < BrainDamage> user from ##electronics http://www.bsdtips.org/index.php/User:Daemon "I have got my printer and scanner working in freebsd so I guess that is why gongo wants me to write an article about it"
2012-11-08T15:35:09 < HTT-Bird> zyp: applying a non-rail voltage to a digital in leads to delta-Icc which is bad
2012-11-08T15:35:28 < dongs> http://bcas.tv/paste/results/U3iJpW33.html
2012-11-08T15:35:30 < dongs> zyp: ^
2012-11-08T15:37:36 <+Steffanx> That's what they advice in the DS as well ..
2012-11-08T15:37:46 < karlp> Steffanx: page?
2012-11-08T15:37:55 < SuicideFunky> anyone care to explain of what type a field is in a header file from cmsis (for example GPIOA->OTYPER) ? Ofcourse i looked in the header file, and i guess its   volatile uint32_t   (makes sense) but the compiler tells me otherwise in the case of OTYPER (its a volatile uint16_t), but a memory location can't be uint16_t on a 32bit stm32 ?
2012-11-08T15:38:01 <+Steffanx> Oh, sorry they don't talk about EMI there
2012-11-08T15:38:16 < dongs> SuicideFunky: it is acutally
2012-11-08T15:38:21 < dongs> SuicideFunky: its a struct
2012-11-08T15:38:32 < dongs> and there's a uint16_t and a padding uint16_t after it
2012-11-08T15:38:51 < SuicideFunky> yes indeed, but is that only for the correct memory offset then?
2012-11-08T15:39:03 < dongs> struct points to peripheral base address.
2012-11-08T15:39:09 < dongs> and then offset to struct members is teh register.
2012-11-08T15:39:43 < dongs> it might as well be something like 0x40001000+0x100 or wahtever to get the offset of OTYPER register.
2012-11-08T15:39:49 <+Steffanx> karlp: "Unless this specific configuration is
2012-11-08T15:39:49 <+Steffanx> required by the application, this supply current consumption can be avoided by configuring these I/Os in analog mode." page 84 of the STM32F405xx DS
2012-11-08T15:40:00 <+Steffanx> http://www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERATURE/DATASHEET/DM00037051.pdf
2012-11-08T15:40:09 < dongs> zyp: ^ citation achieved
2012-11-08T15:41:31 < SuicideFunky> dongs: indeed, if i trace it back i get at PERIPH_BASE which is of type volatile uint32_t
2012-11-08T15:42:11 < SuicideFunky> so GPIOA->OTYPER is of type volatile uint32_t, and the uint16_t is only used for the offset, if i understand it correctly
2012-11-08T15:42:54 < karlp> Steffanx/dongs, thanks! wasn't something I remembered reading.
2012-11-08T15:43:16 < karlp> I thought just leaving them unclocked was enough
2012-11-08T15:43:49 < zyp> IIRC pins in analog mode are not 5V tolerant, you might want to be careful with that
2012-11-08T15:46:00 < zyp> also «can be avoided by configuring
2012-11-08T15:46:00 < zyp> these I/Os in analog mode
2012-11-08T15:46:18 < zyp> » does not translate to «it's a good idea to default all GPIO to analog mode» in my head
2012-11-08T15:47:11 < zyp> (fucking shitty pdf reader copying linebreaks)
2012-11-08T15:48:01 <+Steffanx> In the current consumptions tests they make them all analog inputs as well
2012-11-08T15:48:09 <+Steffanx> I guess they do it for a reason there
2012-11-08T15:50:10 < karlp> that note is not present in the f100 docs in the same part of the ds, fwiw
2012-11-08T15:52:12 < zyp> also, page 55: «FT = 5 V tolerant except when in analog mode or oscillator mode (for PC14, PC15, PH0 and PH1).
2012-11-08T15:52:41 < zyp> so if you have any 5V signals, defaulting everything to analog is dumb.
2012-11-08T15:53:00 <+Steffanx> A little, yes P:
2012-11-08T15:56:02 < zyp> dongs, but to answer your original question, when you set the swd pins to analog mode, they are no longer in swd mode
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2012-11-08T16:15:25 < dongs> yes
2012-11-08T16:15:27 < dongs> i just noticed that.
2012-11-08T16:15:29 < dongs> lol.
2012-11-08T16:15:39 < dongs> pretty-cool
2012-11-08T16:15:49 < dongs> had to hold reset, hit chip erase, release reset.
2012-11-08T16:16:11 < dongs> came back on irc to blog about it and saw you counter-blog
2012-11-08T16:18:04 < dongs> this doesnt have effect on F1 btw.
2012-11-08T16:18:29 < dongs> I can go Mode_AIN on all pins, and GPIO_Init GPIOA, B, C
2012-11-08T16:18:31 < dongs> and SWD still worsk
2012-11-08T16:19:41 < SuicideFunky> dongs: thanks btw for your help, think i got it sorted
2012-11-08T16:20:03 < dongs> SuicideFunky: im still nto really sure what the question was
2012-11-08T16:20:14 < dongs> the struct stuff is just for syntax. eventually it resolves into a direct memory address
2012-11-08T16:20:17 < dongs> in peripheral address space.
2012-11-08T16:20:25 < dongs> all registers are aligned, those that are 16bit are padded.
2012-11-08T16:21:03 < dongs> at least on stm32, anyway. zyp found some shit on NXP that had oddball registers.
2012-11-08T16:21:33 < SuicideFunky> dongs: i'll give an example, maybe that clarifies things. I get a gcc warning by doing this: __IO uint32_t * register_otyper = & GPIOA->OTYPER;
2012-11-08T16:21:39 < zyp> dongs, no, stellaris
2012-11-08T16:21:47 < SuicideFunky> if i do this for example with MODER i dont get a warning
2012-11-08T16:21:49 < zyp> and it's apparently only the usb core
2012-11-08T16:22:44 < dongs> SuicideFunky: make the register_blah same type.
2012-11-08T16:22:46 < dongs> ie.     volatile uint16_t *ccr;
2012-11-08T16:22:55 < dongs> i hae this as pointer to TIMx->CCRx
2012-11-08T16:23:09 < dongs>             p->ccr = &timerHardware[port].tim->CCR1;
2012-11-08T16:24:41 < SuicideFunky> ah yes, i did it the other way around, typecasted the Rvalue, because i saw that the base address (PERIPH_BASE) = 0x40 00 00 00   and uint16_t can't represent that
2012-11-08T16:24:57 < dongs> a pointer is a pointer
2012-11-08T16:25:01 < dongs> a uint16_t pointer is still 32bit.
2012-11-08T16:25:19 < zyp> yep
2012-11-08T16:25:41 < zyp> don't confuse the size of a pointer with the size of the object pointed to
2012-11-08T16:26:31 < SuicideFunky> ah damn, ofcourse, i confused that indeed, fundamental misunderstanding
2012-11-08T16:26:35 < SuicideFunky> many thanks again :)
2012-11-08T16:32:14 < jpa-> hmm, i wonder if i can somehow use the STL that comes with gcc with a different libc
2012-11-08T16:32:22 < jpa-> it works, but i have to specify the include paths manually
2012-11-08T16:32:51 < jpa-> there is -nostdinc and -nostdinc++, but no "-nostdinc_only_c" :)
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2012-11-08T16:55:05 < dongs> http://arduino.cc/en/Main/ArduinoBoardMicro haha holy shit. "The Arduino Micro is a microcontroller board based on the ATmega32u4 (datasheet), developed in conjunction with Adafruit."
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2012-11-08T17:04:38 < emeb_mac> there's some really weird design choices on that board.
2012-11-08T17:06:04 < BrainDamage> "designed with adafruit"
2012-11-08T17:06:23 < BrainDamage> that's like asking for problems
2012-11-08T17:06:25 < gnomad> care to elaborate?
2012-11-08T17:07:06  * BrainDamage inserts generic mockery of open source hw
2012-11-08T17:08:04 <+Steffanx> Explain so 'we' wont make the same mistakes BrainDamage :)
2012-11-08T17:08:24 < BrainDamage> really, not a serious comment
2012-11-08T17:08:26 < gnomad> well, the theory behind open source hardware is point out flaws in a design so they can be corrected.
2012-11-08T17:08:45 <+Steffanx> Oh sorry, it was emeb_mac with that statement
2012-11-08T17:09:19 < emeb_mac> Steffanx: not saying it's bad, just odd.
2012-11-08T17:09:31 < gnomad> and, as a realtive newb myself (to hardware, at least) I learn a lot from problems experienced/pointed out by others.
2012-11-08T17:10:06 < emeb_mac> the large reset button while other parts are fairly tiny (an tiny buttons are available)
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2012-11-08T17:10:43 < BrainDamage> gnomad: what irritates me is that posting schematics is absolutely not new even for commercial work
2012-11-08T17:11:04 < BrainDamage> and people propagand "open source hardware" like it's a newfangled thing
2012-11-08T17:11:28 < gnomad> Well, historically, schematics were delivered with products for ease of repair.
2012-11-08T17:11:34 -!- scrts [~quassel@unaffiliated/scrts] has quit [Read error: Connection reset by peer]
2012-11-08T17:11:41 < gnomad> that did not mean that anyone could copy them.
2012-11-08T17:12:02 < gnomad> However, times have sure changed since the days of the "all american five"
2012-11-08T17:12:15 < BrainDamage> open source doesn't imply free to copy, only free to look, I think you're thinking of "free"
2012-11-08T17:12:42 < gnomad> no, open source *does* mean that you are free to use and alter.
2012-11-08T17:13:27 <+Steffanx> I don't care it's so large, but it sucks it's near that isp connector emeb_mac, imho
2012-11-08T17:13:46 < gnomad> But I do agree that open source hardware licenses are even more difficult to deal with even than open source software licenses.
2012-11-08T17:13:56 <+Steffanx> When you make it smaller it's even harder to press it
2012-11-08T17:14:06 < emeb_mac> Steffanx: that too. And the isp connector looks out of place sticking up there.
2012-11-08T17:14:13 < gnomad> also, it doesn't look like that board is really pressed for space.
2012-11-08T17:14:21 < BrainDamage> http://www.gnu.org/philosophy/free-software-for-freedom.html
2012-11-08T17:14:29 < gnomad> right
2012-11-08T17:14:48 <+Steffanx> I prefer the "do the fuck what you want with it" license
2012-11-08T17:15:01 < BrainDamage> so do it, WTFPL
2012-11-08T17:15:03 < emeb_mac> Steffanx: and the power LED on the bottom of the board?
2012-11-08T17:15:05 < BrainDamage> I*
2012-11-08T17:15:05 < gnomad> but surely you have seen the discussions on GPL vs BSD vs Apache etc.
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2012-11-08T17:15:27 < BrainDamage> yeah, frankly I don't care about that :p
2012-11-08T17:15:30 < emeb_mac> reminds me of those rice boys with neon under their cars.
2012-11-08T17:16:55 < BrainDamage> btw, open source/"free" hw has issues with scalability, this is not my text but I agree 90% with it: http://www.mauve.plus.com/opensourcehw.txt
2012-11-08T17:17:46 < gnomad> As someone who learned to program in the 1980s using the GNU toolchain, and someone who has used open source software and libraries extensively in commercial applications, I have a bit of experience there.
2012-11-08T17:18:21 < gnomad> which is to say I know the issues if not necessarily the solutions.
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2012-11-08T17:50:34 < zyp> woah
2012-11-08T17:50:37 < zyp> «We are now on top of that and in this update I would like to give absolute commitments and firm delivery dates for your OpenVizsla device.»
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2012-11-08T17:56:48 < dongs> haha
2012-11-08T17:59:44 < zyp> delivered by end of january they say
2012-11-08T18:07:10 < dongs> amazing.
2012-11-08T18:07:14 < dongs> did you pay up?
2012-11-08T18:07:19 < dongs> or just a concerned citizen
2012-11-08T18:07:36 < zyp> I wasted some money on that, yeah
2012-11-08T18:09:08 <+Steffanx> "wasted"
2012-11-08T18:10:09 <+Steffanx> Why this "For backers only.". Not only backers are interested in projects …
2012-11-08T18:10:21 < dongs> for bloggers only
2012-11-08T18:22:53 < bgamari> arg, for some reason my USART isn't pushing its data to the DMA controller on RX
2012-11-08T18:22:59  * bgamari hates DMA
2012-11-08T18:23:08 -!- claude_work is now known as claude
2012-11-08T18:23:09 < bgamari> Why must it always be so painful
2012-11-08T18:23:45 < bgamari> No errors bits are set on the USART nor the DMA side
2012-11-08T18:23:53 < bgamari> except for overrun on the USART side
2012-11-08T18:24:36 < zyp> well, to be fair it's the DMA controller that is responsible for pulling the data from the USART after RX
2012-11-08T18:25:32 < bgamari> zyp, USART doesn't require PFCTRL, does it?
2012-11-08T18:25:59 < zyp> huh?
2012-11-08T18:26:42 < bgamari> Does the USART require PFCTRL to be set in the stream's CR?
2012-11-08T18:27:05 < bgamari> I thought the answer was no, but I could be wrong
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2012-11-08T18:30:54 < bgamari> Everything just sits there
2012-11-08T18:31:07 < bgamari> NDTR doesn't tick down, no data makes it into the buffer
2012-11-08T18:31:26 < bgamari> the DMA just sits blissfully unaware of the data that it's letting slip by
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2012-11-08T19:07:13 < karlp> development of micro is just "we still don'tlike that pjrc won't give us his bootloader, so we'll try and make our own version of it"
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2012-11-08T19:53:13 <+Steffanx> karlp afaik there already is a compatible one in LUFA
2012-11-08T19:53:36 <+Steffanx> You just have to get an old revision of LUFA, because pjrc asked to remove it from LUFA
2012-11-08T19:54:51 < karlp> compatible yes, but not the same. the lufa one didn't get down to the 512 bytes that pjrcs is
2012-11-08T19:55:11 <+Steffanx> Yes, true
2012-11-08T20:28:57 <+Steffanx> but closed sores is good, ask dongs
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2012-11-08T21:48:25 < emeb> F3 Disco in da house.
2012-11-08T21:48:36 < zyp> congrats
2012-11-08T21:49:01 < emeb> compass mode seems to work fine.
2012-11-08T21:49:24  * Steffanx gets his F4 disco .. moar disco-lights in tha house!
2012-11-08T21:49:42  * zyp brings out the entire collection
2012-11-08T21:49:51 <+Steffanx> They all have disco lights?
2012-11-08T21:50:42 < emeb> by definition
2012-11-08T21:51:08 < emeb> haven't quite figured out how the gyro lights work.
2012-11-08T21:54:29 < baird> Planning on trying programming my F3D today.. Currently compiling an up-to-date toolchain.
2012-11-08T21:58:03 <+Steffanx> f3d...
2012-11-08T22:07:26 < emeb> Looking over the collection of ST Discovery boards, I've got F0, F100, F3 and F4. Did they ever make 'em for F10x and F20x?
2012-11-08T22:07:50 <+Steffanx> no
2012-11-08T22:08:09 <+Steffanx> You have no L0 board?! :P
2012-11-08T22:08:12 < zyp> emeb, so you're only missing L1
2012-11-08T22:08:19 <+Steffanx> *L1 indeed
2012-11-08T22:09:10 < emeb> I've got a VL series (the F100), but not an L1 board.
2012-11-08T22:10:48 < emeb> This -> http://www.digikey.com/product-search/en?x=0&y=0&lang=en&site=us&KeyWords=l1+discovery
2012-11-08T22:10:59 < emeb> don't have one of those.
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2012-11-08T22:13:01 <+Steffanx> Who wants STM8 anyway?
2012-11-08T22:14:01 < emeb> my thoughts too.
2012-11-08T22:15:02 < zyp> well, STM8L is not very interesting, but STM32L is :p
2012-11-08T22:18:20 < emeb> This -> http://www.digikey.com/product-detail/en/STM32L-DISCOVERY/497-11152-ND/2640507
2012-11-08T22:19:55 < emeb> Probably have to tack one of those onto my next order. :)
2012-11-08T22:24:24 <+Steffanx> :)
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2012-11-08T22:35:22 < baird> Damn, the housemate isn't getting me the Honda scooter for christmas. :/
2012-11-08T22:36:30 < bgamari> Do DMA buffers need to be marked as volatile?
2012-11-08T22:39:30 < emeb> baird: time to get a new housemate.
2012-11-08T22:40:43 <+Steffanx> Maybe Charl. with get you one baird ?
2012-11-08T22:40:45 < emeb> So - first cut at a BMP clone w/ additional connector styles: http://i.imgur.com/GvIBJ.png
2012-11-08T22:41:20 <+Steffanx> The f102 is cheaper than the 103?
2012-11-08T22:41:48 < emeb> dunno - 102 is what the BMPM uses.
2012-11-08T22:42:04 <+Steffanx> The non mini version use the 103 :)
2012-11-08T22:43:19 <+Steffanx> but yes, it's much cheaper
2012-11-08T22:45:08 < Laurenceb_> but slower
2012-11-08T22:45:24 <+Steffanx> Ah, indeed
2012-11-08T22:45:39 <+Steffanx> 48 vs 72MHz
2012-11-08T22:46:12 < baird> I've got about half the cash together already for the scoot..
2012-11-08T22:46:23 <+Steffanx> work harder!
2012-11-08T22:47:34 < baird> I keep my finances well compartmentalized-- the scooter monies is coming from the low-priority splurge funds. :)
2012-11-08T22:47:57 < baird> On-road should be about AU$3000.
2012-11-08T22:49:26 < emeb> looks like DK cost differential between the 102CB and 103CB is about $0.32
2012-11-08T23:09:37 < ds2> wh00p...cleared customs
2012-11-08T23:09:47 < emeb> dongsboards?
2012-11-08T23:09:51 < ds2> yep
2012-11-08T23:09:55 < ds2> and in SF
2012-11-08T23:10:02 < emeb> won't be long now
2012-11-08T23:11:37 < ds2> damn... fedex ground is ineffecient
2012-11-08T23:11:48 < ds2> ND -> MN -> CA
2012-11-08T23:11:56 < ds2> so it'll be monday before that arrives
2012-11-08T23:15:03 < baird> "I collect spores, molds, and fungus." http://i.imgur.com/rigSY.jpg
2012-11-08T23:15:44 < ds2> nifty
2012-11-08T23:18:39 < baird> I scored some dried Agar, so I had to do the obligatory homemade petri dish experiments. :)
2012-11-08T23:19:40 < ds2> lab grade or food grade?
2012-11-08T23:21:00 < baird> Food grade. I mixed up some protein-based nutrient, though.
2012-11-08T23:21:13 < baird> another: http://i.imgur.com/gB4xI.jpg
2012-11-08T23:21:37 < emeb> Spengler FTW
2012-11-08T23:22:11 < emeb> ds2: I always order DK via USPS priority now. 2 days max.
2012-11-08T23:22:22 < emeb> and cheaper!
2012-11-08T23:22:30 < ds2> do they do tracking for USPS now?
2012-11-08T23:22:55 < emeb> It's not as fine-grained as FedEx or USPS, but it's faster so the question is moot.
2012-11-08T23:23:05 < emeb> but you will know when it's out for delivery
2012-11-08T23:23:27 < ds2> didn't they not do tracking before?
2012-11-08T23:23:41 < emeb> A few  years ago, yes.
2012-11-08T23:23:51 < ds2> usually Fedex Ground isn't too horrible but this is the worse I have seen it
2012-11-08T23:24:08 < ds2> the second worse is it sitting in a warehouse in fremont for a few days
2012-11-08T23:24:42 < emeb> here's what DK/USPS Priority gives you for tracking: https://tools.usps.com/go/TrackConfirmAction_input?qtc_tLabels1=9101901064603002127127
2012-11-08T23:25:01 < ds2> that's the stock delivery confirmation, right?
2012-11-08T23:25:09 < emeb> yep
2012-11-08T23:25:09 < ds2> DK didn't do that a while ago, AFAIK
2012-11-08T23:25:16 < ds2> or at least didn't send out the numbers
2012-11-08T23:25:26 < emeb> now it's in the shipping email
2012-11-08T23:25:42 < ds2> nifty, I shall remember that
2012-11-08T23:26:12 < emeb> about 30% cheaper than UPS last time I checked. ($6 vs $9)
2012-11-08T23:27:08 < ds2> I do as much as I can to avoid UPS
2012-11-08T23:27:35 < emeb> Yeah.
2012-11-08T23:28:22 < ds2> can't really complain... I am also waiting on the humidity sensors
2012-11-08T23:29:25 < ds2> should decide on battery soon
2012-11-08T23:31:17 < emeb> lipo?
2012-11-08T23:31:22 < ds2> yep
2012-11-08T23:31:30 < ds2> thickness AND footprint constrained too
2012-11-08T23:32:47 < emeb> no doubt. sounds like a fun :/
2012-11-08T23:33:21 < ds2> it does make USB compliant charging easier
2012-11-08T23:33:39 < ds2> I won't be exceeding the 100mA spec
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2012-11-09T01:29:10 < bgamari> jesus, now my two FIFO channels appear to be interfering with one another
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2012-11-09T02:00:03 < dongs> d o  n   g    s
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2012-11-09T02:15:35 < karlp> ds2: what humidity sensors are you using?
2012-11-09T02:17:22 < zyp> well, since dongs is awake, I guess it's time to go to bed
2012-11-09T02:18:17 < emeb> wait! Don't go!
2012-11-09T02:19:04 < zyp> can't I?
2012-11-09T02:24:41 < ds2> donno yet...trying different ones
2012-11-09T02:25:26 < zyp> emeb, did you actually want anything?
2012-11-09T02:25:39 < karlp> ds2: let me know what you pick, it's an area of interest to me :)
2012-11-09T02:26:31 < emeb> zyp: sorry - just being silly
2012-11-09T02:26:42 < zyp> that's what I figured :p
2012-11-09T02:26:44 < emeb> but - I'm laying out a BMP clone
2012-11-09T02:26:59 < qyx_> bmp085?
2012-11-09T02:27:02 < ds2> karlp: what are you doing?
2012-11-09T02:27:07 < zyp> emeb, I saw the schematic you posted
2012-11-09T02:27:16 < ds2> emeb: what's wrong with the real BMP?
2012-11-09T02:27:18 < zyp> got any layout pics yet?
2012-11-09T02:27:20 < karlp> low power wireless environmental is the hobby at home.
2012-11-09T02:27:28 < emeb> yeah - need to get the edge connector figured out
2012-11-09T02:27:33 < karlp> but bedtime for me sorry
2012-11-09T02:27:33 < emeb> momentado...
2012-11-09T02:27:39 < karlp> will read logback in the morning
2012-11-09T02:27:46 < zyp> ds2, lack of connector types
2012-11-09T02:27:59 < ds2> the problem with sensors is sourcing them and pricing
2012-11-09T02:30:27 < emeb> http://i.imgur.com/mcgh2.png
2012-11-09T02:30:36 < zyp> emeb, with the connector edge facing you, top layer would have pin 1 on right end, 19 on left end, bottom layer will have pin 2 on right end and 20 on left end
2012-11-09T02:30:45 < zyp> no
2012-11-09T02:30:51 < zyp> opposite. :p
2012-11-09T02:31:14 < emeb> zyp: yeah - that's where I am now - going back and forth on what it ought to be. :P
2012-11-09T02:31:38 < zyp> I want a female connector so I can stuff it directly into a board
2012-11-09T02:31:45 < zyp> without a ribbon cable between
2012-11-09T02:31:58 < zyp> and because of that it would be mirrored from what it normally is
2012-11-09T02:32:07 < emeb> zyp: right.
2012-11-09T02:32:35 < emeb> notice this layout has dongs' favorite thru-hole USB mini-B. Any thoughts on that?
2012-11-09T02:33:47 < zyp> I'm rather impartial to that
2012-11-09T02:34:23 < emeb> they need slightly less real-estate than the SMD ones. Cost is about the same.
2012-11-09T02:35:24 < emeb> I bumped all the 0402 parts to 0603
2012-11-09T02:35:26 < zyp> while I don't really believe all smt connectors are bad, I don't believe this one is any worse
2012-11-09T02:35:50 < dongs> ugh, i just spotted a gEDA screenshot
2012-11-09T02:36:01 < emeb> and the LEDs and big power caps to 0805.
2012-11-09T02:36:13 < zyp> also, I want all pins of discovery-style connector labeled with function
2012-11-09T02:36:17 < emeb> dongs: here - have some eyewash
2012-11-09T02:36:44 < zyp> I don't care much for component names, I just want to know what pins to hook up stuff to when using it
2012-11-09T02:36:48 < emeb> zyp: yeah - I want to re-arrange the serial and swd conn to allow room for labels too.
2012-11-09T02:37:04 < emeb> I like refdes - helps when assembling.
2012-11-09T02:37:33 < emeb> I'll try to make the fonts for labels and refdes be different.
2012-11-09T02:37:43 < zyp> I'm usually looking at a drawing with refdes when assembling, it's easier to read than silk anyway
2012-11-09T02:38:03 < zyp> but as long as there is room, I don't mind either way
2012-11-09T02:38:36 < emeb> this layout is 1.2x3.0 right now. I'll be shrinking it down as possible.
2012-11-09T02:39:07 < zyp> it would be nice to keep it to the width of the 20-pin
2012-11-09T02:39:17 < emeb> That's the goal.
2012-11-09T02:39:17 < dongs> wat is it? are you cloning stlink?
2012-11-09T02:39:23 < emeb> cloning bmp
2012-11-09T02:39:23 < zyp> no, BMP
2012-11-09T02:39:28 < dongs> laem
2012-11-09T02:39:39 < dongs> why not clone jlinkoB or cmsis-dap instead?
2012-11-09T02:39:49 < zyp> because BMP is fucking good.
2012-11-09T02:39:57 < emeb> ^this
2012-11-09T02:40:02 < dongs> good at what
2012-11-09T02:40:05 < dongs> does it work wiht any real IDE?
2012-11-09T02:40:08 < zyp> working properly.
2012-11-09T02:40:11 < dongs> or only openOCD
2012-11-09T02:40:23 < zyp> doesn't work with openocd at all
2012-11-09T02:40:29 < zyp> it runs everything internally
2012-11-09T02:40:29 < emeb> no OOCD neede - works directly with gdb.
2012-11-09T02:41:30 < zyp> emeb, also, make sure to leave room for a shrouded mini-10pin
2012-11-09T02:41:43 < emeb> zyp: good idea.
2012-11-09T02:42:05 < dongs> so which commercial IDE does it support
2012-11-09T02:42:18 < emeb> and mark pin1 clearly since the rounded pin is not easily visible.
2012-11-09T02:43:02 < zyp> emeb, http://bin.jvnv.net/f/X0FUc.JPG <- the shrouded ones I've used is significantly larger since the shroud goes around the entire plug
2012-11-09T02:43:16 < zyp> worth it, I'd say
2012-11-09T02:43:30 < zyp> dongs, every commercial IDE I'm using
2012-11-09T02:43:44 < emeb> zyp: yeah - I'll modify the silk to mark a keepout.
2012-11-09T02:45:43 < dongs> zyp, I'm afraid that means none
2012-11-09T02:46:00 < zyp> dongs, that is correct
2012-11-09T02:46:39 < emeb> actually, there are a couple of commercial IDEs that use GCC/GDB under the hood. They could be augmented to use BMP.
2012-11-09T02:47:07 < zyp> true
2012-11-09T02:47:16 < zyp> I just don't care for it
2012-11-09T02:47:24 < emeb> Anything Eclipse-based could use it.
2012-11-09T02:50:32 < zyp> dongs, if you don't want it because it won't play along with your preferred tools, it's a comparable situation to me not wanting jlink because it doesn't play along with my preferred tools
2012-11-09T02:51:36 < dongs> zyp, jlink has gbdserver that works perfectly fine
2012-11-09T02:51:42 < dongs> for your "lame" tools :)
2012-11-09T02:51:50 < zyp> except it doesn't run on os x
2012-11-09T02:51:54 < dongs> it does
2012-11-09T02:52:01 < dongs> i know some troll that does exactly that
2012-11-09T02:52:02 < zyp> not last I checked
2012-11-09T02:52:06 < dongs> with jlink tools and gdbserver
2012-11-09T02:52:13 < zyp> I admit that I haven't checked since I bricked my clone jlink
2012-11-09T02:52:19 < zyp> that I never got to use :p
2012-11-09T02:52:25 < dongs> heh
2012-11-09T02:52:47 < emeb> gotta admit - those clone jlinks are cheep.
2012-11-09T02:52:54 < zyp> but I don't give a fuck, bmp works so I don't see any reason why I should use anything else
2012-11-09T02:53:29 < emeb> bbiab
2012-11-09T02:53:52 < dongs> verical is still slacking on my order
2012-11-09T02:53:57 < dongs> hwo fucking long does it take to ship 19 chips
2012-11-09T02:56:33 < dongs> eh stm32f303VC is $4.6 on verical
2012-11-09T02:56:41 < dongs> someone must be dumping ES chips again
2012-11-09T02:56:56 < zyp> dongs, by the way, I assume jlink and all your other stuff already supported F3 by the time you could get your hands on one?
2012-11-09T02:57:01 < dongs> yes
2012-11-09T02:57:14 < dongs> tehy already do
2012-11-09T02:57:15 < zyp> right, I'd be surprised otherwise
2012-11-09T02:57:39 < dongs> keil just had update for a bunch of shit few weeks ago
2012-11-09T02:57:43 < dongs> new kinetis, M0+, bla bla
2012-11-09T02:57:46 < dongs> a bunch of new F3s
2012-11-09T02:58:48 < dongs> btw, that windows filesystem shit wasn't C++. usual .NUT stuff.
2012-11-09T02:59:05 < zyp> assumed as much
2012-11-09T03:00:13 < dongs> hmm
2012-11-09T03:00:18 < dongs> that F3 price is pretty fucking good.
2012-11-09T03:00:27 < dongs> too bad i have no use for those huge chips.
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2012-11-09T04:20:48 < ds2> bleh... 0.4mm
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2012-11-09T05:18:28 < dongs> wtf, laurenceb isnt even on
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2012-11-09T05:29:50 < l4cr0ss> I need a toolchain to write assembly for an stm32l152xx. There are many toolchains listed here: http://www.emdebian.org/toolchains/search.php?arch=i386&distro=sid&package=arm . How can I go about determining which toolchain is the correct one to use? I can provide more information if needed
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2012-11-09T06:49:10 < emeb_mac> bmp clone layout: http://i.imgur.com/GJOIL.png  http://i.imgur.com/OZfL4.png
2012-11-09T06:49:36 < ds2> hmmm
2012-11-09T06:50:00 < ds2> bmp?
2012-11-09T06:50:12 < emeb_mac> black magic probe - jtag/swd pod
2012-11-09T06:50:24 < ds2> clearly I had something different in mind for BMP
2012-11-09T06:50:35 < ds2> how's that different from say... the goodfet?
2012-11-09T06:50:47 < emeb_mac> no idea what goodfet is
2012-11-09T06:51:13 < emeb_mac> ah - msp430
2012-11-09T06:51:15 < ds2> it is another one of those buspirate/jtag/etc thingie
2012-11-09T06:51:25 < ds2> it suppose to do regular jtag too
2012-11-09T06:51:28 < emeb_mac> this is just jtag or swd.
2012-11-09T06:51:45 < emeb_mac> specifically implements the gdb target protocol on-board.
2012-11-09T06:51:54 < ds2> there are too damn many of these
2012-11-09T06:52:08 < ds2> so it enumerates as a CDC ethernet device?
2012-11-09T06:52:18 < emeb_mac> shows up as USB ACM
2012-11-09T06:52:30 < ds2> ah
2012-11-09T06:52:38 < emeb_mac> gdb talks directly to it w/o any software server needed.
2012-11-09T06:52:51 < ds2> I much rather have sw and just 1 hw thingie
2012-11-09T06:53:08 < ds2> openocd is a good start + one of those ftdi reference jtag designs
2012-11-09T06:53:13 < emeb_mac> to each his own.
2012-11-09T06:53:23 < emeb_mac> I've found this to be extremely reliable and easy to use.
2012-11-09T06:53:38 < ds2> I am just tired of keeping a pallet of jtag debuggers from different vendors
2012-11-09T06:53:57 < ds2> got like 4 different rebranded jlinks locked to particular vendors
2012-11-09T06:54:01 < emeb_mac> this can cover a fairly wide variety of targets.
2012-11-09T06:54:12 < emeb_mac> st / nxp / etc.
2012-11-09T06:54:31 < dongs> ds2: you could just get a jlinkOB for $15 that isn't tied to anyone.
2012-11-09T06:54:51 < dongs> http://www.hotmcu.com/usbminijtag-jlink-ob-jtagswd-emulator-with-usb-interface-p-29.html?cPath=3_25 shit like this.
2012-11-09T06:54:55 < dongs> ok, its $17 now
2012-11-09T06:54:56 < dongs> whatever.
2012-11-09T06:54:59 < ds2> dongs: I paid $0 for those
2012-11-09T06:55:09 < ds2> right now I have one of those ftdi based boards
2012-11-09T06:55:15 < dongs> yeah, trash.
2012-11-09T06:55:22 < ds2> all those jlinks are just taking up space
2012-11-09T06:55:31 < dongs> FTDI shit only works wiht opensores
2012-11-09T06:55:35 < dongs> and is slowwwwwwwwwwwwwwwwwwwwwwwwwwwwww
2012-11-09T06:55:44 < dongs> i suppose opensores part doenst bother you
2012-11-09T06:55:55 < ds2> opensores????
2012-11-09T06:56:06 < ds2> works fine with most A9 and A8 parts
2012-11-09T06:56:53 < ds2> for most parts I deal with, JTAG is a last resort and only for the bootloader
2012-11-09T06:58:20 < emeb_mac> i've never used jtag on the larger parts.
2012-11-09T06:58:55 < emeb_mac> when I first started working beagle stuff none of the jtags could get past the mux.
2012-11-09T06:59:27 < emeb_mac> by the time they were able to do so it wasn't necessary for the stuff I do.
2012-11-09T06:59:48 < ds2> I have dealt with numerous TI ARM parts and never needed JTAGs for them
2012-11-09T07:00:08 < ds2> came close to calling for one but there is enough hooks in the system to self rescue/debug
2012-11-09T07:00:20 < emeb_mac> yeah - the bootloaders are generally good enough
2012-11-09T07:01:25 < emeb_mac> jtag / swd is pretty much essential for these smaller flash-based parts though.
2012-11-09T07:01:38 < ds2> but why not just use a discovery for the swd interface?
2012-11-09T07:01:48 < ds2> or use DFU
2012-11-09T07:01:53 < HTT-Bird> also, some of us need a JTAG for other things too
2012-11-09T07:02:08 < ds2> HTT-Bird: boundary scan?
2012-11-09T07:02:10 < HTT-Bird> I will need one for CPLD work coming soon
2012-11-09T07:02:35 < HTT-Bird> which rules things like the SWD on the Discovery or the entire BMP out
2012-11-09T07:02:47 < HTT-Bird> unless the BMP's firmware can slurp a SVF file
2012-11-09T07:03:00 < ds2> don't the JTAGs on most CPLDs have their own version of adapters?
2012-11-09T07:04:08 < HTT-Bird> you can get adapters from say Altera or Xilinx
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2012-11-09T07:04:19 < HTT-Bird> but they're p. much generic
2012-11-09T07:04:40 < emeb_mac> ds2: discovery has its own ST-LINK protocol which isn't well documented.
2012-11-09T07:05:09 < emeb_mac> ds2: there's an opensource gdb server for it but it's not fully functional.
2012-11-09T07:05:15 < ds2> ah
2012-11-09T07:05:40 < emeb_mac> a bunch of folks here work on it, but there are known danger spots.
2012-11-09T07:06:05 < emeb_mac> I've used it in the past but had trouble when working on apps that use DMA
2012-11-09T07:06:20 < ds2> you are actually using it for debugging?
2012-11-09T07:06:28 < emeb_mac> yes
2012-11-09T07:06:33 < emeb_mac> and flash programming
2012-11-09T07:06:48 < ds2> ah, for the smaller stuff, I am mostly interested in using them for flashing
2012-11-09T07:06:56 < ds2> hence the DFU mention
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2012-11-09T07:07:05 < emeb_mac> trouble is it doesn't halt the DMA so the flash data gets corrupted during programming.
2012-11-09T07:07:18 < ds2> doesn't reset halt it?
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2012-11-09T07:07:48 < emeb_mac> I don't know why DMA wasn't shutting down. I tried to patch it but didn't know the secret sauce.
2012-11-09T07:08:17 < emeb_mac> and no one else was having that problem, so there wasn't any interest in fixing it.
2012-11-09T07:08:40 < emeb_mac> so I threw in the towel and got a BMP and it works well.
2012-11-09T07:10:09 < ds2> ah I see
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2012-11-09T07:15:22 < dongs> i cant really imagine owrking on any modern mcu without in circuit debugger
2012-11-09T07:15:35 < dongs> how the fuck do avrturds get shit done i have no idea
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2012-11-09T07:17:44 < gurgalof> there is a debugger for avr
2012-11-09T07:18:01 < gurgalof> oh btw i solved my usart problem
2012-11-09T07:18:59 < HTT-Bird> dongs: AVR supports ICD either through dW or JTAG
2012-11-09T07:19:30 < HTT-Bird> so, I don't know where you got "AVR lacks an in circuit debugger" from :P
2012-11-09T07:19:45 < dongs> HTT-Bird: ha ha.
2012-11-09T07:20:14 < gurgalof> but then why use 8bit when 32bit costs the same...
2012-11-09T07:20:34 < dongs> HTT-Bird: jtag is only available on huge packages and without $500 jtag-ice is REALLY FUCKING SLOW (i.e. avrdragon).
2012-11-09T07:20:52 < HTT-Bird> gurgalof: well, we still don't have tiny-AVR sized Cortex-M0s
2012-11-09T07:21:30 < gurgalof> true, but not very often i need those
2012-11-09T07:27:20 < ds2> you learn to debug w/o in circuit debuggers
2012-11-09T07:28:02 < dongs> https://youtube.com/watch?v=btViXvIDsi0 what the fuck is this
2012-11-09T07:28:10 < gurgalof> ds2, I do that on stm32 too..., but a ICD saves time
2012-11-09T07:29:48 < gurgalof> I don't even know how to use the stlink2 on the discovery as a in circuit debugger under linux
2012-11-09T07:30:00 < dongs> > under lunix
2012-11-09T07:30:02 < dongs> found your problem
2012-11-09T07:31:42 < gurgalof> well then screw that, but i'm sure there is a way, there is always a way
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2012-11-09T07:37:46 < gurgalof> flyback, canucks?
2012-11-09T07:38:11 < ds2> dealing with all the other sw for ICD makes it a toss up
2012-11-09T07:41:40 < l4cr0ss> ok, so I'm sorry for leaving the channel earlier (in case someone happened to respond to my question) I had something come. From what I'm reading, to write assembly for this stm32l-discovery board I just need binutils and something to put the code onto the board (like openocd) right?
2012-11-09T07:44:22 < l4cr0ss> because ultimately, it doesn't matter how i get the object code (whether I compile it from C or assemble it myself) as long as it gets linked and put into the flash
2012-11-09T07:46:24 < l4cr0ss> cool
2012-11-09T07:46:35 < l4cr0ss> USB to UART
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2012-11-09T07:50:21 < dongs> FUCK PL2303; PL2303 SUX; PL2303 IS DYING; PL2303 IS DEAD TO ME; PL2303 HIT WTC
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2012-11-09T07:51:02 < gurgalof> ft232 is the best, cp2102 second
2012-11-09T07:51:17 < dongs> um no
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2012-11-09T07:52:04 < gurgalof> i always have a cp2102 in my bag, just in case...
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2012-11-09T07:53:11 < dongs> flyback, can you keep ur anniemay addiction off this channel
2012-11-09T07:53:18 < ds2> I prefer a stock 16550 :)
2012-11-09T07:53:23 < dongs> i think i'm speaking for pretty much everyone when i say noone here gives a fuck
2012-11-09T07:54:07 < ds2> ?????
2012-11-09T07:54:19 < dongs> ds2: replying to flyback
2012-11-09T07:54:29 < dongs> ds2: your stuff hit U.S. yet?
2012-11-09T07:54:40 < ds2> dongs: oh... heh... /ignore is wonderful :D
2012-11-09T07:54:48 < ds2> dongs: yeah, it shows it in SF. cleared customs today
2012-11-09T07:54:52 < dongs> cool
2012-11-09T07:54:55 < dongs> weekend delivery?
2012-11-09T07:55:02 < ds2> I hope tomorrow
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2012-11-09T07:55:13 < ds2> SF is the nearest major city near me
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2012-11-09T07:55:43 < dongs> pretty fast
2012-11-09T07:55:58 < ds2> yes, I am amazed at how quickly it cleared customs
2012-11-09T07:56:06 < ds2> I have had boards stuck much longer
2012-11-09T07:59:03 < ds2> dongs: but it don't matter... my DK stuff is arriving monday or later
2012-11-09T07:59:59 < dongs> oh, dongs.
2012-11-09T08:00:04 < dongs> what are yo udoing for stencil anyway?
2012-11-09T08:00:23 < ds2> I'm just paying the assembler... u got ideas on that?
2012-11-09T08:03:57 < dongs> not since you're about to get them.
2012-11-09T08:04:08 < dongs> though its probably not worth it for one off
2012-11-09T08:04:25 < ds2> what's the ball park price of doing 2 stencils ?
2012-11-09T08:04:36 < dongs> o.. stencils are cheap... frameless ones
2012-11-09T08:04:40 < dongs> two you mean top/bottom side?
2012-11-09T08:04:42 < ds2> that board is not final... it is something to get the sw stuff going
2012-11-09T08:04:46 < ds2> yeah, top + bottom
2012-11-09T08:04:48 < ds2> how cheap?
2012-11-09T08:05:32 < ds2> $50 total?
2012-11-09T08:05:51 < dongs> somewehre around that, both top/bottom are on same sheet, and frameless
2012-11-09T08:06:06 < ds2> Ohh... how much more for framed?
2012-11-09T08:06:07 < dongs> but you need some proper printer to do it wihtout frame
2012-11-09T08:06:17 < dongs> i'd have to check.. we have a printer that takes frameless stuff
2012-11-09T08:06:20 < dongs> shipping would kill it generally
2012-11-09T08:06:31 < dongs> i used to get framed ones they're liek giant
2012-11-09T08:06:37 < ds2> they are
2012-11-09T08:06:48 < ds2> I'd be interested to know how cheap you can do framed ones
2012-11-09T08:07:01 < ds2> want to see if it is cheaper for me to manage it or for my assembler to do it
2012-11-09T08:07:21 < dongs> lets see
2012-11-09T08:10:19 < dongs> the old huge ones I used to get in a frame are around 130bucks: http://i.imgur.com/bRFQC.jpg ill find out if smaller frame can be made
2012-11-09T08:11:17 < ds2> WOW, that is cheap
2012-11-09T08:11:27 < ds2> I will have to talk to you on other projects :D
2012-11-09T08:11:30 < dongs> ya but shipping that anywhere basically kills it
2012-11-09T08:12:04 < dongs> looks like 320x320mm is smallest
2012-11-09T08:12:11 < dongs> (framed)
2012-11-09T08:12:20 < dongs> thats uh... tiny.
2012-11-09T08:12:23 < dongs> i think.
2012-11-09T08:12:44 < ds2> how much is shipping? $250?
2012-11-09T08:12:49 < dongs> haha nah its not that bad
2012-11-09T08:13:03 < dongs> the 320 one might not be so bad.
2012-11-09T08:13:09 < ds2> at $170, I save around that much compared to what they want
2012-11-09T08:13:21 < ds2> so even at $200 for shipping, I am better off
2012-11-09T08:13:53 < dongs> who's asking 250+ for framed stencil? your local place?
2012-11-09T08:14:17 < dongs> anyway, no limit on number of designs on stencil as long as it fits
2012-11-09T08:14:36 < dongs> (and as long as you dont care about shit being too close etc)
2012-11-09T08:14:38 < ds2> yeah... the local place
2012-11-09T08:15:01 < ds2> this is stainless stencils, right?
2012-11-09T08:15:04 < dongs> yes of course
2012-11-09T08:15:08 < dongs> laser + stainless.
2012-11-09T08:15:14 < dongs> none of that plastic/capton trash.
2012-11-09T08:15:38 < ds2> heh... all the cheap places here are kapton/mylar...blah
2012-11-09T08:16:10 < ds2> if it was a larger pitch BGA, I might attempt baking it myself
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2012-11-09T08:29:01 < ds2> Hmmmm the TI BLE chips are 8051 based
2012-11-09T08:29:21 < emeb_mac> that stands for BLEch
2012-11-09T08:29:47 < ds2> nordics are cortex-m based
2012-11-09T08:29:59 < ds2> last I checked, sdcc isn't that mature
2012-11-09T08:30:12 < ds2> but TI is 0.5mm, nordic is 0.4mm
2012-11-09T08:30:42 < emeb_mac> which do you prefer? the larger pitch?
2012-11-09T08:31:59 < ds2> I am leaning toward the Cortex-M option despite the smaller pitch
2012-11-09T08:33:04 < emeb_mac> I'd avoid 8051 at this stage.
2012-11-09T08:33:15 < ds2> I tend to agree
2012-11-09T08:33:32 < ds2> the thing is...this will be a slave to Linux
2012-11-09T08:33:44 < ds2> so it isn't fatal if it was 8051
2012-11-09T08:34:11 < dongs> fail on fail, does not become sucess.
2012-11-09T08:34:43 < ds2> Linux is fine.
2012-11-09T08:34:47 < emeb_mac> dongs you so judgy.
2012-11-09T08:34:52 < ds2> it works.
2012-11-09T08:34:57 < ds2> can't say the same about other crap
2012-11-09T08:35:10 < ds2> nor can I say the same about hte userland cruft
2012-11-09T08:35:15 < emeb_mac> is that the nrf1822
2012-11-09T08:35:17 < ds2> Linux is a kernel.
2012-11-09T08:35:23 < ds2> no, the nrf51xxx series
2012-11-09T08:35:42 < emeb_mac> yeah - dropped a 5 there. nrf51822
2012-11-09T08:36:10 < ds2> they have an older chip so I wasn't sure if that was the P/N for that
2012-11-09T08:36:26 < emeb_mac> 256kB flash - wow.
2012-11-09T08:36:44 < ds2> you loose quite a bit of that if you run BLE
2012-11-09T08:36:47 < ds2> it is a FW option
2012-11-09T08:36:48 < emeb_mac> Oh - I think I read about them in EETimes
2012-11-09T08:37:05 < emeb_mac> yeah - they have partitioned the firmware
2012-11-09T08:37:05 < ds2> looked like a coolchip (went to one of their talks)
2012-11-09T08:37:27 < ds2> but the USB on that chip is not ready
2012-11-09T08:37:35 < emeb_mac> their code runs in a separate context so you can't access it or crash it.
2012-11-09T08:38:26 < ds2> since I can't do either; that eliminates some of the certifications
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2012-11-09T08:51:33 < zippe> ds2: sdcc is quite mature
2012-11-09T08:51:47 < zippe> ds2: it has its limitations, but in general it produces pretty reasonable code
2012-11-09T08:52:19 < zippe> ds2: i wouldn't use it by choice, but if you are stuck with the 8051 or the z80, you can make do with it
2012-11-09T08:52:45 < emeb_mac> bummer - doesn't do 6502
2012-11-09T08:54:39 < ds2> zippe: iirc, it doesn't produce optimal code
2012-11-09T08:55:45 < zippe> ds2: I never claimed it did
2012-11-09T08:55:53 < zippe> ds2: it's pretty rare that you need "optimal" code
2012-11-09T08:56:07 < zippe> Mostly what you want is a compiler that won't fuck up
2012-11-09T08:56:09 < ds2> depends on how much code you want to pack in
2012-11-09T08:56:30 < ds2> a lot of times I have thrown my hands in the air and dived into assembly
2012-11-09T08:56:32 < ds2> less pain
2012-11-09T08:56:49 < zippe> All true; pick the tool for the job
2012-11-09T08:56:55 < emeb_mac> OK - cleaned up bmp2 schematic & layout: http://i.imgur.com/H45w5.png http://i.imgur.com/ESDDK.png http://i.imgur.com/KONMR.png
2012-11-09T08:57:27 < ds2> indeed
2012-11-09T08:57:29 < zippe> Regardless, I've built a few nontrivial things with it, and compared the code vs. IAR's when possible.  It does OK.
2012-11-09T08:57:44 < ds2> I do have a toolstick if I really want to do 8051 stuff
2012-11-09T08:57:59 < ds2> IAR is unusable. so not going to compare anything to that
2012-11-09T08:58:16 < zippe> The compiler/UI is pretty awful
2012-11-09T08:58:21 < zippe> The codegen is quite good if you are patient
2012-11-09T08:58:35 < ds2> i will not use any system that I have to fight with to do anything
2012-11-09T09:05:20 < emeb_mac> ds2:  you need BLE? Not just any old 2.4GHz wireless?
2012-11-09T09:05:42 < ds2> emeb_mac: I strongly prefer BLE
2012-11-09T09:05:47 < ds2> otherwise, I need to figure out hte other end
2012-11-09T09:06:34 < emeb_mac> so no zigbee or 6lowpan
2012-11-09T09:06:42 < ds2> w/o BLE, there are some nice TI parts like the CC2500
2012-11-09T09:06:59 < ds2> no... still need to do the other end
2012-11-09T09:23:57 < zyp> emeb_mac, J4 is for debugging the bmp itself?
2012-11-09T09:24:11 < emeb_mac> zyp: yep
2012-11-09T09:24:54 < emeb_mac> zyp: look ok?
2012-11-09T09:28:02 < zyp> hmm, does the original bmp/bmpm have the PB[5-7] stuff?
2012-11-09T09:28:55 < zyp> I assume you haven't changed the schematic, apart from adding connectors and changing packages?
2012-11-09T09:29:22 < emeb_mac> zyp: correct - just connectors and footprints.
2012-11-09T09:29:56 < zyp> right, so firmware still sees it as a bmpm, and no firmware change is needed
2012-11-09T09:30:10 < emeb_mac> that's right.
2012-11-09T09:30:59 < emeb_mac> main things I need to double check - pinout on 20-pin connector and on pins 5/6 of ST-LINK
2012-11-09T09:31:08 < emeb_mac> need to make sure I used the right pin for SWO
2012-11-09T09:32:58 < emeb_mac> well, time for zzz. back in 7 hrs or so...
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2012-11-09T09:36:54 < zyp> 07:06:07 < dongs> but you need some proper printer to do it wihtout frame
2012-11-09T09:36:58 < zyp> why is that?
2012-11-09T09:37:31 < zyp> is it harder to use a metal stencil without frame than a kapton stencil without frame?
2012-11-09T09:38:49 < dongs> well, i dont know of any non-retarded way of keeping it stretched
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2012-11-09T09:40:05 < zyp> by stretched you mean flat, because otherwise it will roll up?
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2012-11-09T09:50:35 < dongs> no
2012-11-09T09:50:47 < dongs> not roll up
2012-11-09T09:50:57 < dongs> stretched just to keep it from.. being non flat, not rolling or whatever
2012-11-09T09:51:01 < dongs> itr doesnt really roll up.
2012-11-09T09:52:35 < dongs> hmm, fuck
2012-11-09T09:52:43 < dongs> USART_SetPrescaler(USART2, 0x05); is there a finer control over this?
2012-11-09T09:52:50 < dongs> 5 = 4.2mhz, 6 = 3.5mhz
2012-11-09T09:52:53 < dongs> I need 4 exactly
2012-11-09T09:54:52 < zyp> dongs, shouldn't be much harder to hold down than a kapton stencil, really?
2012-11-09T09:56:14 < dongs> The USART can provide a clock to the smartcard through the SCLK output. In smartcard mode, SCLK is not associated to the communication but is simply derived from the internal peripheral input clock through a 5-bit prescaler. The division ratio is configured in the prescaler register USART_GTPR. SCLK frequency can be programmed from fCK/2 to fCK/62, where fCK is the peripheral input clock.
2012-11-09T09:56:28 < dongs> can I even control input clock to USART only?
2012-11-09T09:56:40 < zyp> no?
2012-11-09T09:56:42 < dongs> i'd imagine its based on APB/wahtever clk
2012-11-09T09:56:43 < dongs> hum
2012-11-09T09:56:45 < zyp> yep
2012-11-09T10:02:54 < zyp> with a bus clock of 42 MHz, the closest you'll get is 42/10 or 42/11
2012-11-09T10:05:28 < zyp> USART1 with a bus clock of 84 MHz should be able to do it, 84/21 = 4
2012-11-09T10:06:29 < dongs> I cant fucking use USART1
2012-11-09T10:06:34 < dongs> because of fuckwits who made f4disco
2012-11-09T10:06:36 < zyp> well, or USART6
2012-11-09T10:07:06 < dongs> 84mhz = standard?
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2012-11-09T10:08:04 < dongs> guess so
2012-11-09T10:08:32 < dongs> k lets see if usart6 is fere on disco
2012-11-09T10:09:02 < dongs> its free, fuc yea
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2012-11-09T10:10:35 < zyp> well, thing is that APB1 is max 42 MHz (168/4) and APB2 is max 84 MHz (168/2)
2012-11-09T10:10:57 < dongs> right
2012-11-09T10:11:25 < zyp> if you change system clock to, say, 160 MHz, you get 40 and 80 MHz respectively
2012-11-09T10:14:51 < dongs> huh
2012-11-09T10:14:59 < dongs> still faiing
2012-11-09T10:15:12 < dongs> 10 = 4.2mhz
2012-11-09T10:15:20 < dongs> 11 = 3.8
2012-11-09T10:15:58 < jpa-> what is wrong with 168MHz / 2 / 21 = 4 MHz?
2012-11-09T10:16:22 < jpa-> ah, it's APB1
2012-11-09T10:16:22 < dongs> hmm
2012-11-09T10:16:27 < dongs>  /21 gives me 2mhz
2012-11-09T10:16:43 < dongs> no i moved to usart6
2012-11-09T10:16:52 < zyp> hmm
2012-11-09T10:17:04 < zyp> dongs, then there is some /2 somewhere
2012-11-09T10:17:07 < jpa-> so fCK is 42MHz or is it 84MHz?
2012-11-09T10:17:22 < dongs>  /21 on USART6 that is
2012-11-09T10:17:45 < zyp> dongs, I'm not sure what your lib does, try writing 21 directly to BRR
2012-11-09T10:18:06 < dongs>   USARTx->GTPR &= USART_GTPR_GT;
2012-11-09T10:18:07 < dongs>   /* Set the USART prescaler */
2012-11-09T10:18:07 < dongs>   USARTx->GTPR |= USART_Prescaler;
2012-11-09T10:18:13 < jpa-> you could also slow the peripheral clock to 168MHz/6 if necessary
2012-11-09T10:18:32 < zyp> wait, GTPR?
2012-11-09T10:18:36 < zyp> let me check the RM
2012-11-09T10:18:53 < jpa-> i will check the XKCD
2012-11-09T10:18:53 < zyp> ah
2012-11-09T10:20:11 < dongs> Hmm
2012-11-09T10:20:14 < dongs> checked RCC_GetClocks
2012-11-09T10:20:23 < dongs> sysclk is 168, hclk is 168, pclk1 = 42, pclk2 = 84
2012-11-09T10:20:30 < zyp> seems like it always has a /2 in smartcard mode
2012-11-09T10:20:35 < jpa-> is usart6 on pclk1 or pckl2?
2012-11-09T10:20:53 < dongs> usart1 and 6 are both RCC_APB2_Peripherals
2012-11-09T10:20:55 < dongs> APB2
2012-11-09T10:20:57 < dongs> wahtever that runs at
2012-11-09T10:21:01 < dongs> i guess PCLK2?
2012-11-09T10:21:14 < dongs> zyp, what the fuck
2012-11-09T10:21:14 < zyp> so the 21 you put into GTPR gets turned into a 42
2012-11-09T10:21:17 < zyp> 84/42
2012-11-09T10:21:17 < dongs>  /2 why?
2012-11-09T10:21:24 < zyp> no idea
2012-11-09T10:21:30 < dongs> well, i cant put 10.5 in there
2012-11-09T10:21:32 < jpa-> ok, so slow pclk2 to 168/3 = 56MHz and set usart divider to 7
2012-11-09T10:21:52 < jpa-> that will give you 8MHz and the magical /2 will make you happy
2012-11-09T10:22:08 < zyp> that should work
2012-11-09T10:22:27 < dongs> wehre d o i set this shit
2012-11-09T10:22:30 < jpa-> rcc
2012-11-09T10:22:46 < jpa-> random control & configuration
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2012-11-09T10:23:28 < zyp> will of course affect all other shit on ABP2 too
2012-11-09T10:24:05 < zyp> but that's not necessarily a problem
2012-11-09T10:25:45 < dongs> this is too retarded... I might as well just use a fucking timer
2012-11-09T10:25:48 < dongs> to do 4mhz
2012-11-09T10:26:13 < zyp> why must it be exactly 4?
2012-11-09T10:26:20 < jpa-> lol
2012-11-09T10:26:31 < dongs> card output baud rate depends on that etc.
2012-11-09T10:26:58 < zyp> yes, but how does that matter?
2012-11-09T10:27:29 < dongs> im not sure i follow
2012-11-09T10:27:57 < zyp> since it's all synchronous, doesn't everything just follow the prescaler?
2012-11-09T10:28:04 < dongs> no
2012-11-09T10:28:09 < dongs> the presacler is just for clock output
2012-11-09T10:28:14 < dongs> which is why i said i mgiht as well just use a dumb timer
2012-11-09T10:28:19 < dongs> baudrate != clock output prescaler
2012-11-09T10:28:27 < dongs> that's still set by BRR or wahever
2012-11-09T10:28:32 < dongs> UART_CK shit
2012-11-09T10:28:49 < zyp> ah, right
2012-11-09T10:29:10 < zyp> but still, just set BRR to 2*GTPR and they are matching?
2012-11-09T10:30:05 < dongs> i could but i'd rather deal with known working conditions.
2012-11-09T10:30:11 < dongs> its like 10572 baud at 4mhz.
2012-11-09T10:30:16 < dongs> and this shit already works on stm8
2012-11-09T10:41:45 -!- claude is now known as claude_work
2012-11-09T10:42:28 < dongs> fucking crap.
2012-11-09T10:42:32 < dongs> giving up for today.
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2012-11-09T11:16:06 < dongs> http://www.e-trend.co.jp/pcaux/192/1335/product_209798.html wtf is this.
2012-11-09T11:16:18 < dongs> just got physical spam from RS that this is one of their freebies
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2012-11-09T11:26:12 < zyp> I saw that in japan, one of the guys I went with bought a couple
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2012-11-09T11:50:43 < Claude_work> dongs , etch-a-sketch'ish device with resistive touchscreen on top?
2012-11-09T11:51:32 < zyp> nah, it's pretty much lcd/touchscreen in one, directly coupled
2012-11-09T11:51:35 < zyp> or something like that
2012-11-09T11:51:39 < Claude_work> ah now i get it , you have to press the button to ease the screen
2012-11-09T11:51:48 < zyp> yes
2012-11-09T11:51:59 < zyp> they also have a larger variant that stores the shit you draw
2012-11-09T11:52:01 < Claude_work> electro wetting stuff ?
2012-11-09T11:52:28 < zyp> my friend bought one of each
2012-11-09T11:54:18 < dongs> so dumb.
2012-11-09T11:54:27 < dongs> just gonna use tim3_ch3 for card clock
2012-11-09T11:54:32 < dongs> while its on same pin
2012-11-09T11:54:39 < dongs> usart_ck is worthless.
2012-11-09T11:56:04 < Claude_work> http://www.improvelectronics.com/de/de/support/resources/profiles/Boogie-Board-Tablet-Brochure.pdf
2012-11-09T11:57:31 < dongs> neat
2012-11-09T12:08:59 < dongs> ...
2012-11-09T12:12:20 < Claude_work> dongs , "Fri, 09.11.2012 09:20 h	
2012-11-09T12:12:20 < Claude_work> --
2012-11-09T12:12:20 < Claude_work> The shipment has been loaded onto the delivery vehicle" <--- F3 and A13 is that :)
2012-11-09T12:12:28 < dongs> nice
2012-11-09T12:13:07 < Claude_work> A13 goes probably onto the ol'pile of devboards ... but really looking forward to the F3
2012-11-09T12:14:05 < dongs> finally got 4mhz clock out
2012-11-09T12:14:18 < dongs> TIM10_CH1, prescaler 2, period 13
2012-11-09T12:14:19 < Claude_work> you are emulating a smart card?
2012-11-09T12:14:23 < dongs> no
2012-11-09T12:14:37 < dongs> using usart in samrtcard mode
2012-11-09T12:14:47 < Claude_work> ah okay , why?
2012-11-09T12:14:54 < dongs> so i can talk to it
2012-11-09T12:15:39 < Claude_work> is the clock synchronous to the uart/baudrate or does a smartcard just needs an arbitary 4MHz clock ?
2012-11-09T12:18:04 < dongs> the latter
2012-11-09T12:18:21 < dongs> the baudrate is related to it, but I'd rather have known working setup.
2012-11-09T12:18:24 < dongs> and that is 4/8mhz
2012-11-09T12:18:32 < dongs> 4 pre-atr, 8 post i guess
2012-11-09T12:42:31 < jpa-> gah
2012-11-09T12:42:49 < jpa-> 16000 lines of source after cpp; somewhere there is an unmatched extern "C"
2012-11-09T12:43:03 < jpa-> i mean, missing a closing bracket
2012-11-09T12:53:38 < dongs> surely there's a less retarded way to find it
2012-11-09T13:02:23 < jpa-> ah bah, it wasn't even that
2012-11-09T13:02:36 < jpa-> g++ was giving my header files "special treatment"
2012-11-09T13:15:50 < zyp> special treatment?
2012-11-09T13:23:50 < jpa-> i don't know why it gets triggered on arm in my configuration, but: On very old systems, some of the pre-defined system header directories get even more special treatment. GNU C++ considers code in headers found in those directories to be surrounded by an extern "C" block.
2012-11-09T13:24:14 < jpa-> and that applies for -isystem also
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2012-11-09T13:40:48 < dongs> third world compiler toolchain problems.
2012-11-09T13:41:12 < Erlkoenig> wat :D
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2012-11-09T13:45:44 < jpa-> i heard the people in somalia are just fine with GCC doing extern "C" on their files
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2012-11-09T14:05:13 < dongs> sup trolls
2012-11-09T14:06:21 <+Steffanx> Tha sky bro
2012-11-09T14:06:47 <+Steffanx> How's the sky in japland?
2012-11-09T14:08:48 < dongs> shitty.
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2012-11-09T14:11:45 <+Steffanx> At least you had a nice nap
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2012-11-09T15:17:48 < dongs> http://science.slashdot.org/story/12/11/08/1716244/do-recreational-drugs-help-programmers
2012-11-09T15:17:52 < dongs> news for stoners
2012-11-09T15:22:04 <+Steffanx> Where's laurenceb when there's good news for him?!
2012-11-09T15:22:46 < prog> " Don't forget, there was a substantial overlap between the wave of computer professionals who came of age in the '60s and that era's counterculture." <- Stallman?
2012-11-09T15:24:28 < dongs> syria's still fucked: http://m.theatlantic.com/infocus/2012/11/syria-in-ruins/100402/
2012-11-09T15:26:49 <+Steffanx> dongs .. the either word is fucked
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2012-11-09T15:35:38 < dongs> america should interfere and turn syria into a nuclear wasteland y/n/m
2012-11-09T15:36:09 <+Steffanx> Uhm, no?
2012-11-09T15:36:40 <+Steffanx> I think they should use a chronosphere to move Syria to the nuclear wasteland there in Japland
2012-11-09T15:38:38 <+Steffanx> fukushima that is
2012-11-09T15:38:44 < dongs> haha
2012-11-09T15:39:50 <+Steffanx> Or just a chrono vortex ..
2012-11-09T15:39:54 <+Steffanx> Red Alert 2 FTW!
2012-11-09T15:40:46 <+Steffanx> Everything before Generals ftw, actually :)
2012-11-09T15:42:24 <+Steffanx> Oh, that vortex is RA, not RA2
2012-11-09T15:42:27 <+Steffanx> </blog>
2012-11-09T15:42:48  * BrainDamage plays the hell march
2012-11-09T15:42:57 <+Steffanx> bigfoot!
2012-11-09T15:45:23 < Claude_work> hmm F3Disco packing says : Toolchain Altium:Tasking VX-Toolset ... hmmm should this be the first time i'm using this option i've paid for  on altium designer ?
2012-11-09T15:46:53 < Claude_work> s/paid for/my boss paid for ;)
2012-11-09T15:47:33 < dongs> no
2012-11-09T15:47:36 < dongs> separate shit
2012-11-09T15:47:54 < dongs> not part of AD as far as I know
2012-11-09T15:47:57 < dongs> http://www.tasking.com/
2012-11-09T15:49:10 < Claude_work> nope , seems like i'm using the full blown version here .. iirc it's called something with 'board'
2012-11-09T15:49:18 < dongs> Conforms (default) to ISO/IEC 9899:1999(E), as well as ANSI-C X3.159-1989
2012-11-09T15:49:19 < dongs> C++ compatible with ISO/IEC 14882:2003; supports additional C++0x language features
2012-11-09T15:49:22 < dongs> zyp would be excited
2012-11-09T15:49:42 < zyp> a compiler?
2012-11-09T15:49:56 < dongs> This same compiler is part of Altium Designer, delivering 100% compatibility to the hardware engineer and software engineer that want to have the best tools for their job
2012-11-09T15:49:59 < dongs> ah
2012-11-09T15:50:05 < dongs> maybe it is same
2012-11-09T15:51:28 < dongs> The VX-toolset for Cortex-M and Cortex-R includes:
2012-11-09T15:51:29 < dongs> Eclipse-based IDE
2012-11-09T15:51:30 < dongs> haha
2012-11-09T15:51:32 < dongs> closing page.
2012-11-09T15:51:48 < zyp> :)
2012-11-09T15:51:55 < Claude_work> hmm not so sure anymore if the stuff in AD is the same .. C compiler is only for the FPGA stuff in there
2012-11-09T15:52:12 < Claude_work> TSK3000 soft cpu
2012-11-09T16:03:13 < dongs> no idea.
2012-11-09T16:03:17 < dongs> was downloading their trial shit
2012-11-09T16:03:22 < dongs> but eclipse = never mind
2012-11-09T16:09:27 < dongs> http://issues.tasking.com/?issueid=101-35710
2012-11-09T16:11:54 <+Steffanx> heh
2012-11-09T16:14:42 < dongs> lol, from slashdot stoner article: " It also makes me a lot more relaxed, and interested on the silly things my kid wants to do."
2012-11-09T16:14:53 < dongs> how do i parented. get blazed to make your kids more interesting.
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2012-11-09T16:17:17 < zyp> …
2012-11-09T16:18:04 < dongs> you disagree?
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2012-11-09T16:22:58 <+Steffanx> Your kids, if you have any ( i do remember some kinds in your quadrocopter videos), are all into trolling, blogging, quadrocopters and eletronics, not?
2012-11-09T16:23:06 <+Steffanx> *kids
2012-11-09T16:23:32 < dongs> trolling, yes. the rest, to be determined.
2012-11-09T16:24:21 <+Steffanx> I bet they'll become a better troll than you. You may think it's impossible, but .. i think it is possible
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2012-11-09T16:26:11 < emeb_mac> morning...
2012-11-09T16:26:36 <+Steffanx> So emeb_mac can get stoner too now?
2012-11-09T16:26:51 < emeb_mac> errr... whut?
2012-11-09T16:27:20 <+Steffanx> ( me refers to the link dongs posted a while ago )
2012-11-09T16:27:34 <+Steffanx> http://science.slashdot.org/story/12/11/08/1716244/do-recreational-drugs-help-programmers
2012-11-09T16:27:41 < emeb_mac> heh
2012-11-09T16:30:19 <+Steffanx> Your not from one of those states where it
2012-11-09T16:30:26 <+Steffanx> 's 'legal' now?
2012-11-09T16:30:43 <+Steffanx> *You're
2012-11-09T16:30:47 < emeb_mac> we'll see if WA or CO become big centers of high-quality code production.
2012-11-09T16:31:08 < emeb_mac> my guess is that it's hard to write code when you're sleepy.
2012-11-09T16:31:40 <+Steffanx> sleepy != stoned :P
2012-11-09T16:31:55 < emeb_mac> It is for me.:)
2012-11-09T16:31:57 < Claude_work> too stoned == sleepy
2012-11-09T16:32:05 <+Steffanx> At least.. there is a reason why they call it stoned
2012-11-09T16:32:09 <+Steffanx> I never tried it myself
2012-11-09T16:32:35 < zyp> neither did I, nor do I have any intention to
2012-11-09T16:32:51 < emeb_mac> Not missing anything.
2012-11-09T16:32:53 <+Steffanx> Yeye, someone from dutchland who never tried drugs :P
2012-11-09T16:33:05 < zyp> emeb_mac, figures as much
2012-11-09T16:33:28 <+Steffanx> Coffee is enough for me :P
2012-11-09T16:34:23 < dongs> http://uberhumor.com/wp-content/uploads/2012/11/tMq6g.png
2012-11-09T16:35:03 < dongs> i never drink cofee
2012-11-09T16:35:17 < zyp> neither do I, tastes like shit
2012-11-09T16:35:46 <+Steffanx> You are more into sake dongs?
2012-11-09T16:36:13 < emeb_mac> I've been eating too many chocolate flavored caffeinated penguin mints lately.
2012-11-09T16:36:21 <+Steffanx> lol
2012-11-09T16:36:57 <+Steffanx> Got some withdrawal symptoms?
2012-11-09T16:37:00 < dongs> translation: lunix shit at work is breaking left and right
2012-11-09T16:37:26 < emeb_mac> buy 'em in bulk! http://www.peppermints.com/penguin-chocolates-unleashed-two-pound.html?gclid=CL_7t5mOwrMCFal7Qgod6kUAtg
2012-11-09T16:38:24 < emeb_mac> nah - linux mostly just works. I don't spend much time futzing with it.
2012-11-09T16:40:13 < emeb_mac> zyp: spot any bugs in the bmp2 pix I posted last night?
2012-11-09T16:40:59 < zyp> not any obvious ones, but I didn't look up anything to check the pinouts
2012-11-09T16:41:18 < emeb_mac> I'll check those today.
2012-11-09T16:42:19 <+Steffanx> I wonder if there is a speed difference between mini and non-mini version.
2012-11-09T16:42:47 <+Steffanx> hmm, probably the 48mhz isn't really the limiting factor
2012-11-09T16:43:31 < zyp> where are you planning to have the boards made? persuade dongs to do a bunch? :p
2012-11-09T16:44:25 <+Steffanx> And get trolled.. sure :P
2012-11-09T16:44:25 < emeb_mac> I'll proto @ OSHpark.
2012-11-09T16:44:41 < emeb_mac> if that works who knows what comes next.
2012-11-09T16:45:04 < dongs> im sure the kiwis whose work youre cloning will be super excited.
2012-11-09T16:45:19 <+Steffanx> gsmcmullin made it open sores for a reason, dongs
2012-11-09T16:45:28 < dongs> really?
2012-11-09T16:45:35 <+Steffanx> Of course
2012-11-09T16:45:44 < dongs> then why is he selling it for ~$100
2012-11-09T16:45:55 <+Steffanx> 60$
2012-11-09T16:45:57 < emeb_mac> eh. I'm not going to build them. Just fab some bare boards.
2012-11-09T16:46:28 < dongs> Steffanx: so what is that reason
2012-11-09T16:46:37 <+Steffanx> Don't ask me why he sold them for 60$
2012-11-09T16:46:45 < dongs> actually, i dont care. sleep time.
2012-11-09T16:46:46 <+Steffanx> The reason.. probably he doesn't care about clones
2012-11-09T16:49:05 <+Steffanx> Mrs. Dongs told dongs he has to go for his nap again :D
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2012-11-09T16:51:11 <+Steffanx> Aw, my blaxter ratio increases too much. I should to do something useful :P
2012-11-09T16:56:48 < emeb_mac> blaxter ratio = ?
2012-11-09T16:57:36 < BrainDamage> ratio of laurenceb to rest
2012-11-09T17:04:08 <+Steffanx> offtopic/ontopic talk.. like signal/noise ratio :P
2012-11-09T17:04:42 <+Steffanx> I dedicated his surname to it :P
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2012-11-09T17:36:44 < emeb_mac> this morning OSHpark _finally_ emails that they shipped my f3 breakouts. Much slower than last time.
2012-11-09T17:38:11 -!- Claude_work is now known as claude
2012-11-09T17:38:39 <+Steffanx> poor you emeb_mac
2012-11-09T17:38:57 < emeb_mac> yes - I have a hard life.
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2012-11-09T18:11:32 < Laurenceb> he deserves it for running mac
2012-11-09T18:11:53 <+Steffanx> Whoa, Laurenceb is back
2012-11-09T18:12:10 < Laurenceb> hi
2012-11-09T18:12:20 < Laurenceb> back to my trolling self
2012-11-09T18:12:56 <+Steffanx> Increasing your blaxter ratio etc?
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2012-11-09T19:02:55 < Laurenceb> http://s1.b3ta.com/host/creative/65077/1330518366/HannibalLecturerScienceoftheLambs.jpg
2012-11-09T19:02:56 < Laurenceb> there you go
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2012-11-09T19:08:09 < emeb> here you go: http://www.jwz.org/blog/2012/11/industry-empire-the-humping-pact/
2012-11-09T19:09:25 <+Steffanx> All i can say is: WTF
2012-11-09T19:09:37 < emeb> All you need to know is that it's JWZ
2012-11-09T19:10:11 <+Steffanx> I've no idea who/what JWZ is
2012-11-09T19:10:28 < emeb> http://en.wikipedia.org/wiki/Jwz
2012-11-09T19:11:07 <+Steffanx> oh, random nerd with weird fantasies
2012-11-09T19:11:17 < emeb> pretty much
2012-11-09T19:11:56 <+Steffanx> Delivery Confirmation™ <= trademark?
2012-11-09T19:12:01 <+Steffanx> USPS crap ..
2012-11-09T19:12:22 < emeb> eh - wouldn't take that seriously.
2012-11-09T19:12:40 <+Steffanx> Your track&confirm page shows it :P
2012-11-09T19:13:04 < emeb> yeah - I figured that's where you got it.
2012-11-09T19:13:54 <+Steffanx> Once in a while you have to close the tabs you opened, then you see what kind of crap you open and 'never' close
2012-11-09T19:14:23 < emeb> I compulsively close tabs. Often ones that I'm not done with. :P
2012-11-09T19:15:20 < Laurenceb> A feral man masturbates with the aid of a whirling crankshaft
2012-11-09T19:15:22 < Laurenceb> riiigggghhhttt
2012-11-09T19:15:30  * emeb didn't click on that one.
2012-11-09T19:17:29 < emeb> Steffanx: also "Priority Mail®"
2012-11-09T19:17:49 < emeb> coming up soon: Out for Delivery™
2012-11-09T19:33:55 < Laurenceb> CodeSourcery/Sourcery_G++_Lite/bin/../lib/gcc/arm-none-eabi/4.5.2/../../../../arm-none-eabi/lib/thumb2/libc.a(lib_a-sbrkr.o): In function `_sbrk_r':
2012-11-09T19:33:55 < Laurenceb> sbrkr.c:(.text+0x12): undefined reference to `_sbrk'
2012-11-09T19:33:56 < Laurenceb> wtf
2012-11-09T19:38:42 -!- daku is now known as DaKu
2012-11-09T19:47:45 < Laurenceb> oh im being naughty
2012-11-09T19:47:56 < Laurenceb> malloc is replaced by chibios functions
2012-11-09T19:52:34 < Laurenceb> http://www.aisencaro.com/projects.html#Play-A-Grill
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2012-11-09T19:54:36 < emeb> lol - need to get a spec for the day job. $192 - hardcopy only. I wonder if that comes with its own buggy whip.
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2012-11-09T20:39:47 < bgamari> is it insane to attempt to run BLAS on a Cortex M4?
2012-11-09T20:41:57 < BrainDamage> why, yes
2012-11-09T20:41:59 < BrainDamage> but it'd be awesome too
2012-11-09T20:42:43 < BrainDamage> are you going to make a calculator with it?
2012-11-09T20:43:43 < bgamari> BrainDamage, I was hoping to do an SVD
2012-11-09T20:44:24 < BrainDamage> just svd? you could write the algo yourself
2012-11-09T20:45:20 < bgamari> I probably could, but I'd rather not I think
2012-11-09T20:46:05 < bgamari> Why reinvent the wheel if I don't need to
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2012-11-09T20:46:51 < emeb> how hard can it be to go out and grab C code for that? http://www.public.iastate.edu/~dicook/JSS/paper/code/svd.c
2012-11-09T20:47:41 < bgamari> emeb, Point taken
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2012-11-09T22:21:35 < TitanMKD> hi
2012-11-09T22:22:10 <+Steffanx> Lo
2012-11-09T22:23:36 < Tectu> mi
2012-11-09T22:23:38 < jpa-> z
2012-11-09T22:23:43 < Tectu> owned.
2012-11-09T22:24:04 <+Steffanx> Tectu has a wallhack and aimbot. You suck
2012-11-09T22:34:47 < ds2> wheeeeeeeee
2012-11-09T22:34:49 < ds2> boards arrived!
2012-11-09T22:37:09 < Tectu> what board, ds2 ?
2012-11-09T22:38:14 < ds2> Tectu: my PCB for my stm32f103 board
2012-11-09T22:39:38 < Tectu> congratzs, ds2
2012-11-09T22:39:41 < Tectu> congrats*
2012-11-09T22:40:10 < ds2> heh... the real challenge is getting the sw to boot on it... got 2 BGAs that needs to be mounted
2012-11-09T22:40:35 < Tectu> just solder them on the board
2012-11-09T22:40:57 < ds2> the BGA144 F1 package?
2012-11-09T22:41:56 < Tectu> yes?$
2012-11-09T22:43:17 < ds2> I got enough things that can go wrong that I don't want to try baking this myself
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2012-11-09T23:07:02 < ds2> 0201 don't seem that small for some reason
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2012-11-09T23:54:01 < Laurenceb_> I was looking at the free space optical comms record
2012-11-09T23:54:10 < Laurenceb_> might be worth a shot with my hardware
--- Day changed Sat Nov 10 2012
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2012-11-10T00:33:45 < BrainDamage> for all you hipsters here: http://www.secretgeometry.com/apps/cathode/
2012-11-10T00:39:15 < Tectu> BrainDamage, why does it make such a strange scrolling sound? o0
2012-11-10T00:40:15 < Tectu> jesus... even pixel brun in
2012-11-10T00:50:25 < baird> BrainDamage: that's /for pay/? ... Fucking victims. "Here's your linux port" wget http://sensi.org/%7Esvo/glasstty/Glass_TTY_VT220.ttf; fbterm -n "Glass TTY VT220" -s 20 -f 2 --cursor-interval=0 --cursor-shape=8
2012-11-10T00:50:44 < baird> I'll bet the fgt ripped the Glass_TTY font as well..
2012-11-10T00:51:22 < BrainDamage> I suggest you go past the first 3s of the video
2012-11-10T00:52:34 < baird> raged 0.3 seconds in.
2012-11-10T01:05:22 < Laurenceb_> http://modulatedlight.org/optical_comms/SDIM8379h.jpg
2012-11-10T01:05:24 < Laurenceb_> nice
2012-11-10T01:05:27 < Laurenceb_> i have to try this
2012-11-10T01:09:09 < emeb> just don't aim it at aircraft.
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2012-11-10T01:22:13 < baird> Looks much the same as this: http://ronja.twibright.com/
2012-11-10T01:25:11 < Laurenceb_> but WAY more sensitive
2012-11-10T01:25:19 < Laurenceb_> and not open sores
2012-11-10T01:35:46 < Laurenceb_> i just realised my stm32-photodiode hardware should work well for this
2012-11-10T01:44:04 < baird> 10-15 years ago, there was an effort into optical 'room networking' from the major players (Cisco, etc.) Pity that it didn't take off.
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2012-11-10T01:46:11 < baird> (hmm... effects on eyes from being a room swathed in IR light all the time..?)
2012-11-10T01:47:09 -!- grummund [~user@unaffiliated/grummund] has joined ##stm32
2012-11-10T01:47:12 < Laurenceb_> im just wondering if i can actually get this much range in the UK
2012-11-10T01:47:25 -!- dekar [~dekar@212.255.40.59] has quit [Ping timeout: 265 seconds]
2012-11-10T01:47:29 < Laurenceb_> to beat the 173miles record recorded on utah
2012-11-10T01:49:01 < HTT-Bird> emeb: yeah.  lasers and pilots do NOT mix
2012-11-10T01:49:05 < HTT-Bird> just punch 'laser' into ASRS
2012-11-10T01:49:26 < Laurenceb_> "Following the successful 107-mile exchange we decided that it was time to try an even-greater distance.  After staring at maps and poring over topographical data we found what we believed to be a 173-mile line-of-sight shot that seemed to provide reasonable accessibility at both ends.  This path spanned the Great Salt Lake Desert"
2012-11-10T01:49:37 < Laurenceb_> hmm seems like id have issues trying this in the uk
2012-11-10T01:49:47 < Laurenceb_> http://modulatedlight.org/optical_comms/optical_qso_173mile.html
2012-11-10T01:51:39 < ds2> Laurenceb_: why not do it across the english channel?
2012-11-10T01:51:55 < ds2> or from scotland to ireland?
2012-11-10T01:52:06 < Laurenceb_> maybe
2012-11-10T01:52:23 < Laurenceb_> theres a site somewhere for line of sight calculation
2012-11-10T01:52:27 < Laurenceb_> ill have a go with it
2012-11-10T01:53:14 < emeb> Laurenceb_: I'd bet the humidity in Utah probably helps too - ie virtually none.
2012-11-10T01:53:34 < emeb> In yer moisty northern climes it's probably harder to see that far thru the fog.
2012-11-10T01:53:48 < HTT-Bird> yeah, that'd be an issue
2012-11-10T01:54:01 < Laurenceb_> using NIR might help
2012-11-10T01:54:15 < Laurenceb_> its doesnt have to be visible
2012-11-10T01:54:35 < emeb> is there a window / clear channel somewhere down there?
2012-11-10T01:54:56 < ds2> more power!
2012-11-10T01:55:27 < emeb> moar!
2012-11-10T01:55:28 < Laurenceb_> emeb: im not sure
2012-11-10T01:55:35 < Laurenceb_> research required
2012-11-10T01:56:31 < emeb> I've got an old HV electrostatic image conversion tube and an IR filter.
2012-11-10T01:56:59 < emeb> Interesting to put the filter over a flashlight - pretty much kills the visible, but it's still painfully bright in IR.
2012-11-10T01:57:12 < ds2> now try that with a LED flashlight ;)
2012-11-10T01:57:25 < emeb> a bit more narrow band, eh?
2012-11-10T01:57:42 < emeb> Yeah - this is with an incandescent bulb.
2012-11-10T01:57:54 < ds2> did you see the equiv with FTIR?
2012-11-10T01:58:12 < ds2> i.e. put a disc of silicon on top of a incandescent bulb
2012-11-10T01:58:42 < emeb> Don't have either silicon, or far IR sensitive system.
2012-11-10T01:59:08 < ds2> you can get silicon at electronics goldmine
2012-11-10T01:59:13 < ds2> or maybe it was germanium disc
2012-11-10T02:00:13 < emeb> http://www.goldmine-elec-products.com/prodinfo.asp?number=G18079 <- this?
2012-11-10T02:00:34 < ds2> yep
2012-11-10T02:00:59 < ds2> wish I had a way of machining that into a small lens
2012-11-10T02:02:20 < emeb> you can prolly buy those more easily than grinding your own.
2012-11-10T02:02:49 < emeb> google turns up a lot of folks that sell them.
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2012-11-10T02:03:19 < ds2> not at a reasonable price
2012-11-10T02:03:26 < emeb> there's that.
2012-11-10T02:03:32 < ds2> closest is the big ones used in the laser cutters
2012-11-10T02:03:51 < ds2> that is the last part in hacking together a cheap FTIR camera/imager
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2012-11-10T02:05:50 < emeb> what do you use such a camera for?
2012-11-10T02:06:04 < ds2> seeing through walls
2012-11-10T02:06:09 < ds2> identifying shorts
2012-11-10T02:06:18 < ds2> finding out if your heatsinks are crap
2012-11-10T02:06:23 < ds2> energy audit, etc...
2012-11-10T02:06:37 < emeb> do you need a cooled sensor for that?
2012-11-10T02:06:44 < ds2> traditionally yes
2012-11-10T02:06:56 < ds2> that's a bolometer (sp?)
2012-11-10T02:07:17 < ds2> there been folks doing low res. versions with a basic thermopile sensor
2012-11-10T02:07:24 < ds2> it doesn't work well below room temp but...
2012-11-10T02:07:39 < emeb> ah - sorta like the infrared pyrometers used in motion sensors.
2012-11-10T02:08:00 < ds2> yep
2012-11-10T02:08:18 < ds2> I think those output the derivative of the data if I understand them right
2012-11-10T02:08:41 < emeb> sensitive to temp changes.
2012-11-10T02:08:54 < emeb> so you'd have to optically chop the input or something.
2012-11-10T02:11:46 < ds2> they have sensors that have a i2c interface
2012-11-10T02:11:57 < ds2> but they are at best 16x4 pixels wide
2012-11-10T02:12:13 < emeb> hey - that's still usable for rough stuff.
2012-11-10T02:12:14 < ds2> but each pixel is almost 15deg x 15deg wide..hence the interest in the lense
2012-11-10T02:12:23 < ds2> yes it is
2012-11-10T02:12:28 -!- DaKu is now known as daku
2012-11-10T02:16:44 < ds2> it is too bad HDPE isn't handled well by the current low end 3D printers
2012-11-10T02:17:02 < emeb> oh?
2012-11-10T02:17:26 < ds2> apparently it warps a lot
2012-11-10T02:17:37 < ds2> HDPE should be useable as a FTIR lens material
2012-11-10T02:17:41 < emeb> ah
2012-11-10T02:18:04 < ds2> if I was living in So AZ and it was during the dry season, there are other materials
2012-11-10T02:18:10 < emeb> but I'd bet that the 3D printing process probably leaves too many voids/bubbles for that to work well.
2012-11-10T02:18:27 < ds2> I suspect at that wave length, it isn't a big deal
2012-11-10T02:18:48 < ds2> recall reading an article like 20 years ago where a guy was making microwave lenses by casting epoxy
2012-11-10T02:18:51 < emeb> some sort of moisture-soluble crystals?
2012-11-10T02:19:07 < ds2> and they mentioned at that wavelength bubbles and small inperfections aren't really visible
2012-11-10T02:19:20 < ds2> yeah... table salt is FTIR transparent
2012-11-10T02:19:32 < ds2> they used them as cheap lenses in research labs but humidity is an issue
2012-11-10T02:19:44 < emeb> plastic coating?
2012-11-10T02:20:05 < ds2> most plastics are opaque at FTIR :( HDPE is one of the few that isn't
2012-11-10T02:21:15 < emeb> ds2: seen this? http://www.guardian.co.uk/technology/2012/nov/08/beagle-e-reader-review
2012-11-10T02:22:44 < ds2> interesting but why
2012-11-10T02:22:55 < ds2> someone needs to put out a eink general purpose device
2012-11-10T02:23:04 < emeb> could be interesting.
2012-11-10T02:23:16 < ds2> I can get what I want there with a nook or a kindle
2012-11-10T02:23:31 < emeb> Price is the highlight.
2012-11-10T02:23:31 < ds2> and neitehr of which gives me waht I need
2012-11-10T02:23:39 < ds2> but it is locked down
2012-11-10T02:23:56 < emeb> just amazed that e-ink + BT can be built cost-effectively for < $20.
2012-11-10T02:24:11 < ds2> i have media in other formats
2012-11-10T02:24:27 < ds2> not that surprised.
2012-11-10T02:24:37 < ds2> they were giving away eink displays a few years ago
2012-11-10T02:25:12 < ds2> and it looks like it is a contract device
2012-11-10T02:25:34 < ds2> i much rather have a device that can read my media w/o contracts or other grubby handles in the mix
2012-11-10T02:25:53 < emeb> oh - subsidized by someone for ads or whatnot.
2012-11-10T02:26:16 < emeb> or subscription?
2012-11-10T02:26:30 < ds2> didn't see details
2012-11-10T02:26:52 < ds2> I just wish someone would put out device the size of letter sheet of paper
2012-11-10T02:27:08 < ds2> battery life of about 2 months. with either a uSD slot or about 2-4 G of storage
2012-11-10T02:27:26 < ds2> and can read PDF, DJVU, text, HTML and it doesn't have a #@%$@$#%$@#@#$@#$@ screen saver
2012-11-10T02:27:53 < ds2> BT and Touch screen would be nice to have
2012-11-10T02:27:53 < emeb> that'd be handy.
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2012-11-10T02:28:17 < emeb> don't know how useful touch would be on a slow eink display though.
2012-11-10T02:28:17 < ds2> let's stop this trend of selling people ad agents and have something that does useful stuff
2012-11-10T02:28:35 < ds2> in my case - I am thinking of it as a map viewer
2012-11-10T02:28:43 < ds2> I want to be able to put markers on there
2012-11-10T02:29:14 < ds2> think field work
2012-11-10T02:29:20 < emeb> yeah.
2012-11-10T02:29:24 < ds2> with topo maps and other specific data sources
2012-11-10T02:29:45 < ds2> wifi might be nice if it doesn't compromise power too much. that way it can pull data from other devices as needed
2012-11-10T02:30:18 < ds2> thought about building something like that then decided it ain't worth the hassle to source the displays
2012-11-10T02:30:36 < emeb> that's the hard part.
2012-11-10T02:30:44 < emeb> the electronics would be cake.
2012-11-10T02:30:58 < ds2> yep
2012-11-10T02:31:21 < ds2> probally want at least a Cortex-A class processor to handle the djvu and pdf decoding at a decent speed
2012-11-10T02:31:26 < ds2> other then that it is trivial
2012-11-10T02:31:49 < ds2> the kindle DX seems like a useable platform for experimenting but it apparently has no WiFi
2012-11-10T02:32:04 < emeb> Hmmm. wonder how well M4F @ 100MHz+  would handle PDF?
2012-11-10T02:32:13 < emeb> might be fast enough to keep up w/ eink.
2012-11-10T02:32:18 < ds2> it is djvu that I am worry about
2012-11-10T02:32:30 < ds2> djvu has a bunch of wavelet crap
2012-11-10T02:32:35 < emeb> blech.
2012-11-10T02:32:52 < ds2> but it actually makes scanned old books readable...same thing in PDF format takes forever to turn pages
2012-11-10T02:33:49 < ds2> actually, a plain M4 won't cut it
2012-11-10T02:34:01 < emeb> because...
2012-11-10T02:34:06 < ds2> you need an ASIC or a FPGA or prehaps a M4 hardcore
2012-11-10T02:34:14 < ds2> cuz those einks need a complex drive waveform
2012-11-10T02:34:33 < emeb> Oh, well I was assuming one of those special driver chips.
2012-11-10T02:34:41 < ds2> I picked up a surplus eink display solely cuz it had a datasheet for it and the drive signals are not pretty. makes stock LCDs a cake walk
2012-11-10T02:35:00 < ds2> I suppose... there are only a few but I think they want a frame buffer interface to them
2012-11-10T02:35:02 < emeb> I've heard it's not for the faint-of-heart.
2012-11-10T02:35:29 < ds2> the free display from a few years ago had uC sw manageable drive signals
2012-11-10T02:37:40 < emeb> I take it they're more than just binary. Multi-levels, probably bipolar driver required.
2012-11-10T02:38:00 < ds2> yeah.. goal is to flip over tiny spheres
2012-11-10T02:38:39 < ds2> I wonder what is the ball park cost to create a custom sized screen... there are other companies that produce epaper style screens with built in drivers
2012-11-10T02:38:50 < ds2> but their stock offering goes up to 320x200 resolution only
2012-11-10T02:41:52 < emeb> there's that one SF sells for ~$25 and it's 10chars x 2 lines. :P
2012-11-10T02:42:42 < emeb> Pervasive has a 1024x1280
2012-11-10T02:42:49 < emeb> 10.2"
2012-11-10T02:42:59 < emeb> http://www.pervasivedisplays.com/products/panels <- bottom of pg
2012-11-10T02:43:49 < emeb> SPI interface.
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2012-11-10T02:47:14 < ds2> Hmmmm
2012-11-10T02:47:34 < emeb> trick there is getting ahold of them. No idea what they cost.
2012-11-10T02:48:07 < ds2> yep
2012-11-10T02:48:44 < emeb> looks like one of those "Convince our salesman you're worthy and maybe we'll deign to sell you something"
2012-11-10T02:50:01 < ds2> there are other sources
2012-11-10T02:50:21 < ds2> i was going to do a display for the Beagle
2012-11-10T02:50:28 < emeb> fun
2012-11-10T02:50:34 < ds2> got all the parts to prototype it but other projects took priority
2012-11-10T02:50:51 < emeb> I've boxes and shelves full of those kind of projects. :)
2012-11-10T02:50:57 < ds2> since CC wants to make all the beagle accessories, I am not going to bother
2012-11-10T02:51:22 < emeb> Yeah - that's looking like a lost cause at this point.
2012-11-10T02:52:18 < emeb> I've completely lost touch with Bill Mar. He had me do that FPGA board and then lost interest.
2012-11-10T02:52:34 < emeb> haven't heard from him in about 3 months.
2012-11-10T02:53:27 < ds2> he's getting screwed over by CC too
2012-11-10T02:53:38 < emeb> That's what he told me too.
2012-11-10T02:54:14 < ds2> and he's trying to work with CC so it is probally worse for him
2012-11-10T02:54:20 < ds2> at least I use another local CM
2012-11-10T02:55:03 < emeb> I was going to work w/ CC to build the FPGA boards for Beagle, but they kept building the boards wrong and eventually stopped talking to me.
2012-11-10T02:55:28 < ds2> I couldn't even get tehm to give me quotes for building stuff
2012-11-10T02:55:31 < emeb> I've got a couple boxes full of useless prototypes.
2012-11-10T02:56:11 < ds2> local assemblers are really helpful
2012-11-10T02:56:16 < emeb> Oh well - interesting ecosystem out there.
2012-11-10T02:56:29 < emeb> It's best to work with someone local anyway.
2012-11-10T02:56:57 < ds2> even the big boys fly engineers to all sorts of countries to work stuff out with their CMs
2012-11-10T02:57:24 < ds2> but right now I am tempted to ressurect some sensor accessories for the Beagle
2012-11-10T02:57:37 < emeb> Beagle or Beaglebone?
2012-11-10T02:57:46 < ds2> classic
2012-11-10T02:57:49 < ds2> the bone is a disaster
2012-11-10T02:57:52 < emeb> Oh?
2012-11-10T02:58:03 < ds2> in its current state, there is no reason whatsoever to use that chip in a design
2012-11-10T02:58:10 < emeb> what's wrong with it?
2012-11-10T02:58:14 < ds2> PM is F'ed
2012-11-10T02:58:23 < emeb> Ah.
2012-11-10T02:58:34 < ds2> w/o PM, I can get cheaper A8s elsewhere
2012-11-10T02:58:46 < emeb> AllWinner! :P
2012-11-10T02:59:00 < ds2> or mediatek or TC or .....
2012-11-10T02:59:17 < ds2> or for domestic vendors, iMX stuff
2012-11-10T02:59:34 < emeb> If they're still around after the big shake-up last week...
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2012-11-10T02:59:49 < ds2> I was gearing up to build a Bone clone with the broken aspects fixed but what's the point w/o PM
2012-11-10T02:59:52 < ds2> big shake up?
2012-11-10T03:00:21 < emeb> FSL basically shut down new design on iMX - laid off all the Israel designers and most of the US support.
2012-11-10T03:00:51 < ds2> oh
2012-11-10T03:00:57 < ds2> don't really follow FSL
2012-11-10T03:01:10 < ds2> I wonder if ARM is turn the screws
2012-11-10T03:01:38 < ds2> odd that 2 main cortex-A vendors are deciding on other options
2012-11-10T03:01:54 < emeb> Hard to say. The whole mobile device space is shifting around.
2012-11-10T03:02:32 < ds2> there are only a handful of domestic ones
2012-11-10T03:02:43 < ds2> that's almost half of them
2012-11-10T03:03:15 < emeb> TI, Freescale, Nvidia... who else?
2012-11-10T03:03:45 < ds2> donno if ST is considered domestic or EU
2012-11-10T03:03:56 < emeb> they sell Ax?
2012-11-10T03:03:58 < ds2> they are down street but...
2012-11-10T03:04:02 < ds2> yeah
2012-11-10T03:04:08 < emeb> did not know that.
2012-11-10T03:04:13 < ds2> snowball
2012-11-10T03:04:30 < emeb> orly? heard of that, didn't associate it w/ ST.
2012-11-10T03:04:41 < ds2> oh hehe
2012-11-10T03:05:16 < ds2> depending on how you count them, there are bastard ARMv7 cores equiv to the A stuff
2012-11-10T03:05:47 < emeb> (Raining lightly here in AZ last couple of days)
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2012-11-10T06:28:35 < baird> Hmm. I just realized something that ##stm32 is missing, that most other established IRC channels have...
2012-11-10T06:28:46 < baird> American gun nuts who won't stfu.
2012-11-10T06:29:35 < Bird|lappy> lol
2012-11-10T06:31:42 < emeb_mac> I could imitate one.
2012-11-10T06:32:02 < baird> I was thinking that flyback would be best for the job.
2012-11-10T06:32:10 < emeb_mac> :)
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2012-11-10T10:51:21 < TitanMKD> hello
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2012-11-10T11:09:25 < dongs> sup dongs
2012-11-10T11:14:19 -!- Guest44630 [~Aaron@pdpc/supporter/student/aaronm] has quit [Quit: Quit]
2012-11-10T11:20:14 < dongs> any trolling while I was gone
2012-11-10T11:25:29 < dongs> attn zyp http://25.media.tumblr.com/tumblr_mbw67snrlI1qzegu6o1_500.jpg
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2012-11-10T13:57:15 < dongs> https://youtube.com/watch?v=fIePzz_CEuQ is your phone rape free?
2012-11-10T14:10:46 -!- BrainDamage [~BrainDama@62.10.6.207] has joined ##stm32
2012-11-10T14:21:10 <+Steffanx> Last comment probably says it all: "I watched this, felt sad for a few minutes, and went back to facebook"
2012-11-10T14:21:16 < dongs> lo
2012-11-10T14:21:32 < dongs> last comment about it on irc: <Dawai> fapped hard to this
2012-11-10T14:21:53 <+Steffanx> Your IRC mates are weird, we know that
2012-11-10T14:22:07 < dongs> anyhow, bedtime
2012-11-10T14:22:19 <+Steffanx> have fun
2012-11-10T14:22:22 -!- daku is now known as DaKu
2012-11-10T14:22:47 -!- DaKu is now known as daku
2012-11-10T14:27:01 < BrainDamage> blogging I have searched the world over for a cheaper whiskey... Finally found the cheapest. $3.65 for 5 liters. I am afraid to taste it. : whiskey
2012-11-10T14:27:01 < BrainDamage>  
2012-11-10T14:27:02 < BrainDamage> ops
2012-11-10T14:27:07 < BrainDamage> http://www.reddit.com/r/whiskey/comments/12whp4/i_have_searched_the_world_over_for_a_cheaper/
2012-11-10T14:28:47 <+Steffanx> Noo, now i have to admit to someone i visited reddit, again
2012-11-10T14:29:24 < BrainDamage> being linked from someone else doesn't count I think
2012-11-10T14:29:34 < BrainDamage> I don't browse reddit either
2012-11-10T14:29:41 < baird> $70/litre excise on drinkable ethanol here. ;_;
2012-11-10T14:43:05 <+Steffanx> Yay
2012-11-10T14:43:12 <+Steffanx> 70$ :S
2012-11-10T14:43:48 <+Steffanx> More than 1kg of gold
2012-11-10T14:43:55 <+Steffanx> Not really :P
2012-11-10T14:45:11 < BrainDamage> blaxter ratio++ vhttp://imgur.com/a/5DxzO
2012-11-10T14:47:01 <+Steffanx> heh
2012-11-10T14:47:34 <+Steffanx> I've no idea who that is though, only 'know' the dutch "music" makers
2012-11-10T14:58:19 <+Steffanx> Why i've never seen this before? http://vimeo.com/43442146 .. looks awesome inshmo
2012-11-10T14:58:34 <+Steffanx> *imnsho
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2012-11-10T16:01:14 < BusError> I;m trying to talk to my stm32f2 board with the stm32f4 disco via stlink... removed the jumpers, connected it all... but I don't see the stlink connector pins wiggling when I try st-flash erase or st-util...
2012-11-10T16:01:20 < BusError> also the reset line stays high..
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2012-11-10T16:06:18 < jpa-> BusError: what does st-flash say?
2012-11-10T16:06:45 < BusError> unknown chip id...
2012-11-10T16:07:12 < jpa-> e000420 or something like that?
2012-11-10T16:07:42 < BusError> st-util reports chip id 0x0... so there's some problem here. thing is, I can'r see swclk and swdio wiggle, not the reset pin getting pulled down...
2012-11-10T16:07:43 < BusError> yeah
2012-11-10T16:07:59 < BusError> 2012-11-10T14:06:12 WARN src/stlink-common.c: unknown chip id! 0xe0042000
2012-11-10T16:07:59 < BusError> Chip ID is 00000000, Core ID is  00000000.
2012-11-10T16:07:59 < BusError> KARL - should read back as 0x03, not 60 02 00 00
2012-11-10T16:08:25 < jpa-> yeah, so no connection to processor..
2012-11-10T16:08:36 < BusError> same thing even if I don't power the target anyway
2012-11-10T16:08:38 < jpa-> strange that the pins wouldn't even wiggle, i've never seen that
2012-11-10T16:09:01 < jpa-> do they change states when you program the discovery itself?
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2012-11-10T16:56:50 < BusError> so swdio and/or swclk need pullups??
2012-11-10T16:58:00 <+Steffanx> No ..
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2012-11-10T17:05:23 < BusError> hrms don't undestand why it won't talk to me.. perhaps it's fried... are the stm32 fragile?
2012-11-10T17:05:42 < emeb_mac> mornin' y'all
2012-11-10T17:05:55 < jpa-> BusError: are you absolutely sure your reset line is high?
2012-11-10T17:06:11 < jpa-> i've never broken an stm32 so far
2012-11-10T17:06:18 < BusError> most definitely. I don't see it being pulled down tho, either with st-util or st-flash
2012-11-10T17:06:46 < BusError> and swdio is high too swclk is low, power is there...
2012-11-10T17:08:33 < jpa-> try the internal bootloader over usart1?
2012-11-10T17:13:14 < emeb_mac> BusError: I've seen this before
2012-11-10T17:13:41 < emeb_mac> on my own design F4 board when the pins weren't all properly soldered.
2012-11-10T17:13:55 < emeb_mac> do you have proper voltage on Vcap?
2012-11-10T17:14:19 < emeb_mac> should be ~1.2V
2012-11-10T17:15:26 < BusError> ah interesting. lemme check that
2012-11-10T17:19:46 < BusError> vcap1 has 1.2, but vcap2 has not...
2012-11-10T17:19:48 < BusError> strange
2012-11-10T17:19:55  * BusError cracks up the loupe
2012-11-10T17:25:08 < BusError> ok 1.2 on both now...
2012-11-10T17:27:02 < BusError> still no joy... hrms
2012-11-10T17:28:19 < emeb_mac> what did you find on vcap2? bad solder joint?
2012-11-10T17:29:45 < BusError> well to the eye, nothing. I applied the iron anyway, and ir worked... so it must have been quite subtle
2012-11-10T17:29:58 < emeb_mac> yeah - been there.
2012-11-10T17:30:12 < emeb_mac> I'd reflow every pin just to be sure. that's how I got mine working.
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2012-11-10T17:52:53 < Erlkoenig> might it be possible that the ST USB Library (STM32_USB_OTG_Driver), when transferring packets from the USB FIFO to the application's buffer (in SRAM) does NOT check array boundaries? So when receiving big packets into a small buffer, you get buffer overflows, even though the lib does know the arrays size and could stop filling the buffer when it's full. see usb_dcd_int.c:623 and usb_core.c:202
2012-11-10T17:55:03 < zyp> check the code?
2012-11-10T17:55:46 < Erlkoenig> yeah the code doesn't check the user-supplied array length (which would be ep->xfer_len at usb_dcd_int.c:623)
2012-11-10T17:56:37 < zyp> are you sure you're understanding the purpose of every argument correctly?
2012-11-10T17:56:53 < Erlkoenig> not really, the library is complex :S
2012-11-10T17:57:22 < Erlkoenig> but USB_OTG_ReadPacket definitely writes into memory outside the buffer, checked with debugger
2012-11-10T17:57:37 < Erlkoenig> causes hardfaults later, because that overwritten memory is a pointer to a vtable ...
2012-11-10T17:58:11 < zyp> ouch
2012-11-10T17:58:58 < Erlkoenig> found the problem at USB_OTG_ReadPacket via memory watchpoint
2012-11-10T17:59:21 < Erlkoenig> of course only happens after a lot of packets have been transferred...
2012-11-10T18:06:20 < emeb_mac> zyp: double-checked the pinouts on the bmp2 - looks right.
2012-11-10T18:06:34 < emeb_mac> ie - swo = tdo
2012-11-10T18:07:29 < zyp> :)
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2012-11-10T18:10:15 < emeb_mac> I'll probably order a set of 3 from OSHpark today.
2012-11-10T18:12:05 < emeb_mac> should print out a 1:1 and check that the edge connector really fits.
2012-11-10T18:12:48 < karlp> ds2: I've been itching for eink maps for years, would be sooo awesome.
2012-11-10T18:13:05 < emeb_mac> I tweaked the fp for the xtal - made the pads extend out from under the device a bit for ease of hand soldering.
2012-11-10T18:15:53 < karlp> ds2/emeb: wrt beagle, who/what is "CC" ?
2012-11-10T18:16:39 < karlp> you two use tooo many acronyms
2012-11-10T18:16:54 < karlp> PM wrt beaglebone? power management?
2012-11-10T18:17:26 < emeb_mac> CC = Circuitco - the contract mfg that builds the beagleboard & beaglebone.
2012-11-10T18:17:32 < karlp> is FSL Freescale?
2012-11-10T18:17:35 < emeb_mac> yeah
2012-11-10T18:17:54 < emeb_mac> PM = power management.
2012-11-10T18:20:14 < baird> get trollin: http://www.raspberrypi.org/archives/2375
2012-11-10T18:21:19 < baird> predicted result: 99% of Raspberry Pi owners are neckbeards, or over the age of 45.
2012-11-10T18:21:47 < emeb_mac> onoes - over 45. might as well be ded.
2012-11-10T18:24:27 < baird> My beef with baby-boomers and hobby tech is their "oh we had 40 years to get into this, but I only decided it was time now to try it."  FFFFFffffffffff. Plus, nothing kills a usergroup faster than retirees hanging around.
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2012-11-10T19:21:18 < karlp> baird that survey has "pc desktop" and "linux desktop" as different options
2012-11-10T19:21:48 < karlp> "How often do you use the Raspberry Pi?"
2012-11-10T19:21:58 < karlp> it's running it's things, I don't check on it.
2012-11-10T19:22:11 < karlp> is that meant to mean daily?
2012-11-10T19:23:41 < karlp> ajax is a language?
2012-11-10T19:24:05 < karlp> delphi?!
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2012-11-10T19:36:40 < BusError> mu understanding is that when I do boot0=1 it tries to boot via usb device.. should that work?
2012-11-10T19:37:25 < jpa-> it will connect through USB and wait for connection from the ST DFU program
2012-11-10T19:38:15 < jpa-> but yeah, it does work as long as you have an external crystal that is integer multiple of 1MHz (I use 8MHz)
2012-11-10T19:40:16 < BusError> ack. doesn't work with the internal oscillator?
2012-11-10T19:47:57 < jpa-> nope, not accurate enough for usb
2012-11-10T19:48:19 < jpa-> (well, in practise it is but not stricly within spec without calibration)
2012-11-10T19:51:35 < zyp> and the built-in bootloader is not going to enable usb unless it finds an external clock source
2012-11-10T19:51:54 < jpa-> yep
2012-11-10T19:53:18 < BusError> fsck
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2012-11-10T21:09:33 < Erlkoenig> hm what does "on snap" mean?
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2012-11-10T21:15:41 < upgrdman> oh snap is sort of like "oh shit" or "damn, check that out" ... seems to be a low-class black person slang
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2012-11-10T21:16:38 < TitanMKD> hi
2012-11-10T21:17:49 < upgrdman> hi
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2012-11-10T21:50:02 < TitanMKD> for those interested in USB CDC performance on LPC43xx
2012-11-10T21:50:17 < TitanMKD> in fact internally in FS i reach 833KBytes/s
2012-11-10T21:50:48 < TitanMKD> but physically in Windows with Realterm (in raw capture mode in file) i obtain about 300KB/s ;)
2012-11-10T21:52:36 < TitanMKD> also maybe a lag in windows layers ;)
2012-11-10T21:53:05 < TitanMKD> a test with libusb will show the reality of 833KB/s
2012-11-10T22:03:08 < Laurenceb_> http://www.raspberrypi.org/archives/2375
2012-11-10T22:03:12 < Laurenceb_> in b4 trolling
2012-11-10T22:10:26 <+Steffanx> I'm going to invent a anti-trolling mechanism
2012-11-10T22:10:39 <+Steffanx> It'll ban Laurenceb_ from EVERYTHING
2012-11-10T22:11:11 < BrainDamage> I'd gladly comment on that thread, except I didn't receive mine since june yet ...
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2012-11-10T22:18:18 < ja2> Auch, SysTick interrupts doesnt fire! What else is there to do except SysTick_Config(SystemCoreClock / 1000)? __enable_irq()?
2012-11-10T22:19:57 < karlp> make sure you have a handler?
2012-11-10T22:20:19 < ja2> Yeah, I moved it to RAM, at an offset of 0x100.
2012-11-10T22:20:42 < ja2> But without handler some strange things should happen. It doesnt.
2012-11-10T22:21:08 < ja2> So I guess my RAM vectors are fine.
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2012-11-10T22:27:25 < ja2> I'm pretty sure the systick worked fine on stm32f100, but now with 103 it doesnt seem to be playing by the rules.
2012-11-10T22:27:40 < karlp> why should strange things happen without a handler?
2012-11-10T22:27:49 < karlp> the default handler in most cases is just a null
2012-11-10T22:28:19 < ja2> Yes, defaults to while(1), so I should notice if something happened.
2012-11-10T22:29:06 < karlp> no, most of them default to an empty handler, not a blocking handler.
2012-11-10T22:30:58 < karlp> (iirc)
2012-11-10T22:31:11 < ja2> My default handler is Infinite_Loop: b Infinite_Loop
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2012-11-10T22:31:24 < karlp> ok, so you're not getting interrupts then are you?
2012-11-10T22:31:28 < ja2> Doesnt matter. Irq doent fire. Thats the problem.
2012-11-10T22:31:32 < ja2> yes
2012-11-10T22:32:42 < ja2> What I didnt find in the docs so far is if __enable_irq() is necessary. Well, doesnt help to have it here anyway.
2012-11-10T22:33:06 < BusError> BTW gI got DFU working, had to hook up a 8mhz crystal and 2*10pF .. a bit annoyed, I tought it would work with internal clock
2012-11-10T22:33:47 < BusError> it;s that board btw: https://plus.google.com/111387094029238541867/posts/EoocMTBXjzG -- all worky now
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2012-11-10T22:41:01 < ja2> I've read that the first word in the vector table was reserved. I've also seen vector tables with end_of_stack written to the first word. Is the first word used for anything?
2012-11-10T22:42:23 < karlp> first is stack, second is initial pc. what were you reading that said it was reserved?
2012-11-10T22:44:44 <+Steffanx> datasheet probably
2012-11-10T22:44:47 <+Steffanx> *reference manual
2012-11-10T22:45:06 < ja2> RM0008 Reference manual doc id 13902 rev 14 page 190.
2012-11-10T22:45:29 < ja2> Hi Steffanx! :)
2012-11-10T22:45:40 <+Steffanx> Hey
2012-11-10T22:46:15 < ja2> Long time, no C.
2012-11-10T22:47:53 <+Steffanx> Yeah, you didn't join ##stm32 before :P
2012-11-10T22:48:24 < ja2> Well, I did years ago when it was new. But not lately :)
2012-11-10T22:49:22 < ja2> NVIC doesnt have to be "enabled" like the other peripherials, right?
2012-11-10T22:49:26 < Laurenceb_> will dfu work with 12mhz xtal?
2012-11-10T22:50:42 <+Steffanx> 12 fits in the definition jpa- posted
2012-11-10T22:50:44 <+Steffanx> "but yeah, it does work as long as you have an external crystal that is integer multiple of 1MHz (I use 8MHz)"
2012-11-10T22:50:52 < Laurenceb_> ah
2012-11-10T22:55:22 < karlp> ja2: do you  have to set the systick clock source?
2012-11-10T22:56:12 < karlp> in libopencm3, I have something like this: http://pastebay.net/1154136
2012-11-10T22:56:27 < ja2> SysTick_Config(SystemCoreClock / 1000) sets clksource in ctrl register.
2012-11-10T22:56:30 < karlp> I know that stdperiphlib magically helps work out the reload value...
2012-11-10T22:58:16 < karlp> yeah, my old stdperiph lib code just has, "SysTick_Config(clockinfo.SYSCLK_Frequency / 1000);"
2012-11-10T22:58:28 < karlp> where clockinfo came from RCC_GetClocksFreq
2012-11-10T22:58:57 < ja2> hmm, is there a change of version in stdperiphlib that does things differently?
2012-11-10T23:00:39 < ja2> I seem to have v3.0.0 here.
2012-11-10T23:02:32 < karlp> am I right in reading that L1 starts up in voltage range 2 not 1?
2012-11-10T23:03:55 < karlp> ahh yes, it is.
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2012-11-10T23:48:07 < ja2> systick sorted out now. Dont know why though. :/ Thanks for your input karlp.
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2012-11-10T23:54:07 < BusError> so is the alternative, free stm32 library worth using these days? I had seem thant some time ago but it was not covering all peripherals..
2012-11-10T23:54:25 < karlp> you mean libopencm3?
2012-11-10T23:54:31 < karlp> it's pretty nice.
2012-11-10T23:54:31 < BusError> yeah
2012-11-10T23:55:06 < karlp> http://www.libopencm3.org/wiki/Status
2012-11-10T23:56:37 < jpa-> license still kind of sucks
2012-11-10T23:56:49 < jpa-> lgpl is not too bad but still annoying to comply with
2012-11-10T23:57:05 < BusError> GPL, not LGPG, from what I seee?
2012-11-10T23:57:40 < jpa-> The libopencm3 code is released under the terms of the GNU Lesser General
2012-11-10T23:57:40 < jpa-> Public License (LGPL), version 3 or later.
2012-11-10T23:57:41 < BusError> ah the homepage changelog mentioned just gpl. the code mentions lgpl
2012-11-10T23:58:42 < jpa-> i guess they decided because ST's library is ok for commercial but gpl-incompatible, they would be gpl-compatible but commercial-incompatible :)
2012-11-10T23:58:57 < BusError> hehe
2012-11-10T23:59:33 < karlp> lgpl I can work with, it used to be gpl though
--- Day changed Sun Nov 11 2012
2012-11-11T00:00:55 < jpa-> yeah.. lgpl starts to suck if someone demands some strict copy protection on the device firmware
2012-11-11T00:01:44 < ja2> jpa-: Explain, pls.
2012-11-11T00:02:16 < jpa-> explain what?
2012-11-11T00:02:30 < karlp> jpa, not entirely, you only have to provide the objs to your customer, no to their customers
2012-11-11T00:02:33 < jpa-> lgpl requires you to provide means for users to replace the lgpl portion of the software
2012-11-11T00:02:58 < jpa-> karlp: but if they provide the device that contains the firmware, they also need to provide the objs, right?
2012-11-11T00:04:10 < karlp> maybe, consult a lawyer.
2012-11-11T00:04:27 < karlp> I try and focus on, "provide features to the customer, not spend time trying to prevent reverse engineering"
2012-11-11T00:04:32 < karlp> so lgpl is ok for us.
2012-11-11T00:04:56 < karlp> a few grand to chipcon and it doesn't matter what you did anyway
2012-11-11T00:05:21 < jpa-> yeah, i agree
2012-11-11T00:05:44 < jpa-> sometimes difficult to get through the phb's
2012-11-11T00:06:04 < karlp> kill your job :)
2012-11-11T00:06:18 < jpa-> fortunately i don't have that problem currently :)
2012-11-11T00:06:38 < karlp> neither do I :)
2012-11-11T00:07:23 < jpa-> i've managed to convince that a hardware device is difficult enough to copy on its own; for PC software they use these annoying HASP keys that often fail
2012-11-11T00:08:04 < upgrdman> hasp?
2012-11-11T00:08:26 < jpa-> usb copy protection dongle
2012-11-11T00:09:24 < karlp> hardware+website, who uses installable software these days?
2012-11-11T00:09:50 < ja2> How do you guys handle customers that order source code, so that they can do their own changes at will?
2012-11-11T00:10:13 < upgrdman> comment the code?
2012-11-11T00:10:16 < jpa-> karlp: those who need the performance
2012-11-11T00:10:39 < karlp> ja2: we don't give them that option.
2012-11-11T00:10:47 < karlp> jpa-: fair enough I guess.
2012-11-11T00:10:47 < jpa-> ja2: we don't; instead they pay us to make the changes
2012-11-11T00:11:09 < karlp> if they want to pay us enough, sure, let em have it.
2012-11-11T00:11:25 < jpa-> karlp: and besides, we serve the industrial market so a lot of computers don't even have direct internet access
2012-11-11T00:11:53 < karlp> jpa-: yeah, we entering that, but we're in the electrical cabinets and they just damn well put internet access in.
2012-11-11T00:11:58 < ja2> Hmm, I get all the wrong customers. They demand the code, and they pay poorly. And nag when I exceed my estimated max time for the project. :/
2012-11-11T00:12:00 < karlp> new hardware will support 3g dongles though.
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2012-11-11T00:36:28 < Bird|lappy> yeah, I don't get what it is with PHBs and being paranoid about reverse-engineering and such
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2012-11-11T02:44:21 < emeb_mac> troll-lol-lol
2012-11-11T02:48:40 < dongs> https://fbcdn-sphotos-f-a.akamaihd.net/hphotos-ak-snc6/285007_164613637010825_182914947_n.jpg
2012-11-11T02:50:22 < Tectu> dongle, gonna explain?
2012-11-11T02:50:28 < emeb_mac> swedish?
2012-11-11T02:53:30 < emeb_mac> danish - Jodekager (cookies) baked in a gas oven.
2012-11-11T02:54:59 < emeb_mac> Been using Coocox some more. It's fairly nice. Works well with ST-Link.
2012-11-11T02:57:55 < Tectu> emeb_mac, how can an RTOS not work nice with a programmer/jtag interface? o0
2012-11-11T02:58:43 < emeb_mac> Tectu: wasn't aware that Coocox defined an RTOS. Perhaps I meant to say CoIDE?
2012-11-11T02:59:03 < Tectu> ah, yes, I think so
2012-11-11T02:59:10 < Tectu> sorry, I was really confused :D
2012-11-11T02:59:14 < Tectu> didn't know it has it's own IDE
2012-11-11T02:59:52 < Tectu> emeb_mac, just took a look: looks like CooCox is like a toolchain, CoIDE is the IDE and CoOS is the RTOS ?
2012-11-11T03:00:27 < emeb_mac> that makes sense.
2012-11-11T03:00:32 < emeb_mac> It's pretty nice for free.
2012-11-11T03:00:43 < BrainDamage> the kitchen tool everyone would want https://dx.com/p/152087
2012-11-11T03:01:10 < Tectu> lol
2012-11-11T03:02:04 < emeb_mac> rofl
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2012-11-11T03:11:45 < dongs> haha america
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2012-11-11T04:09:57 < emeb_mac> yep - a regular laugh riot.
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2012-11-11T04:36:17 < Tectu> jpa-, are you around?
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2012-11-11T05:01:49 < dongs> d o  n   g    s
2012-11-11T05:03:12 < emeb_mac> sgnod
2012-11-11T05:03:14 < baird> Idea of the CENTURY .. http://yaraon.blog109.fc2.com/blog-entry-12854.html
2012-11-11T05:04:30 < dongs> When you solder the pin strips onto the Pololus you will find it easiest to put the strips in the appropriate place in the Sanguinololu.
2012-11-11T05:05:06 < emeb_mac> err... whut?
2012-11-11T05:06:45 < dongs> http://reprap.org/mediawiki/images/2/2a/Sanguinololu12.svg i bet that was made with fritzing
2012-11-11T05:07:24 < emeb_mac> ah reprap
2012-11-11T05:07:51 < emeb_mac> ololuluinodongduino.
2012-11-11T05:08:01 < dongs> exactly
2012-11-11T05:08:48 < emeb_mac> never could quite grasp exactly what fritzing is supposed to d
2012-11-11T05:09:35 < emeb_mac> is it just for drawing pseudo schematics
2012-11-11T05:09:37 < dongs> baird: lawl
2012-11-11T05:10:32 < dongs> http://reprap.org/mediawiki/images/9/9a/Sanguinololu.jpg so much fail
2012-11-11T05:11:23 < emeb_mac> pretty funny.
2012-11-11T05:11:55 < emeb_mac> qfns and 40-pin dips together at last!
2012-11-11T05:15:05 < dongs> I need  to tear apart an old printer flyback-style
2012-11-11T05:15:11 < dongs> I've never driven a stepper motor.
2012-11-11T05:16:00 < emeb_mac> they're easy
2012-11-11T05:17:25  * emeb_mac just hauled a half-dozen old printers off to the recyclers
2012-11-11T05:17:49 < emeb_mac> not really into parting stuff out any more.
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2012-11-11T05:34:55 < dongs> FUCK
2012-11-11T05:35:00 < dongs> stlink is such buggy fucking garbage.
2012-11-11T05:35:16 < dongs> reset cpu -> start stepping, it fucking goes off to stepping into some totally unrelated shit
2012-11-11T05:35:19 < dongs> after hitting a breakpoint
2012-11-11T05:35:20 < dongs> peiece of fucking shit
2012-11-11T05:36:00 < dongs> haha, flyback'd
2012-11-11T05:36:19 < dongs> he will drive from canada to AZ
2012-11-11T05:36:21 < dongs> to pick your trash up
2012-11-11T05:41:15 < emeb_mac> flyback: these were fairly recent inkjets & lasers.
2012-11-11T05:41:51 < emeb_mac> fairly tiny motors with flat/flex cables
2012-11-11T05:42:13 < emeb_mac> (I did actually look at them)
2012-11-11T05:42:43 < emeb_mac> yeah
2012-11-11T05:43:12 < emeb_mac> I've got some serious steppers from way back - giant 1lb monsters with lotsa torque.
2012-11-11T05:44:01 < emeb_mac> yeah - I wired two of them together for grins - turn the shaft on one and the other follows
2012-11-11T05:44:41 < emeb_mac> I
2012-11-11T05:44:53 < emeb_mac> i've made little flashlights that way
2012-11-11T05:45:16 < emeb_mac> using steppers from old floppy drives
2012-11-11T05:45:29 < dongs> time to make pattern for jewpad LCD
2012-11-11T05:45:34 < dongs> the connector is fucking tiny, lol.
2012-11-11T05:45:36 < dongs> 0.3mm pitch
2012-11-11T05:45:42 < dongs> but staggered, so 0.6mm
2012-11-11T05:46:00 < emeb_mac> dongs: footprint in diptrace?
2012-11-11T05:46:06 < dongs> ya
2012-11-11T05:46:20 < emeb_mac> flyback: machining is an artform - takes training & experience.
2012-11-11T05:46:42 < dongs> using my micrometer cuz theres no datasheet
2012-11-11T05:46:51 < emeb_mac> dongs: that sux
2012-11-11T05:47:56 < emeb_mac> flyback: main thing I'd wonder is if steppers could stand up to long-term outdoor use.
2012-11-11T05:48:38 < dongs> iytdiir yse fir wgatr'
2012-11-11T05:48:38 < dongs> err
2012-11-11T05:48:45 < dongs> outdoor use for rwhat
2012-11-11T05:48:53 < dongs> o
2012-11-11T05:49:00 < dongs> steppers generate power?????????
2012-11-11T05:49:07 < dongs> i thought they are only for stepping!!
2012-11-11T05:49:15 < emeb_mac> motors = generators
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2012-11-11T05:58:26 < qyx_> flyback: jes, a lot
2012-11-11T05:58:30 < qyx_> y
2012-11-11T05:59:22 < qyx_> yes
2012-11-11T05:59:31 < qyx_> it was an answer to a question regarding wd40
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2012-11-11T06:01:06 < qyx_> hm
2012-11-11T06:01:09 < qyx_> anyway, gn
2012-11-11T06:03:32 < emeb_mac> flyback: how about something like this -> http://www.rustoleum.com/CBGProduct.asp?pid=166
2012-11-11T06:11:51 < dongs> emeb_mac: took a break to wash dishes, otherwise it would have been done 20 mins ago http://i.imgur.com/4elgE.png
2012-11-11T06:12:29 < emeb_mac> dongs: nice footprint.
2012-11-11T06:14:27 < emeb_mac> what are the signals on that connector? Is that direct drive to the LCD or is there a driver/controller on the display?
2012-11-11T06:14:49 < dongs> signals = dispalyport
2012-11-11T06:14:56 < dongs> DP receiver on the panel.
2012-11-11T06:17:46 < emeb_mac> nice - easier to interface.
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2012-11-11T06:20:25 < dongs> and looks liek thre's free spot on monday panel for the boards
2012-11-11T06:20:25 < dongs> ncie
2012-11-11T06:20:25 < emeb_mac> dongs: DP only has 20 pins - what are the rest?
2012-11-11T06:20:30 < dongs> just trash
2012-11-11T06:20:37 < dongs> therels like 10 pins per +/- for LCD backlight
2012-11-11T06:20:39 < dongs> they're ganged together
2012-11-11T06:20:55 < dongs> plus GND and shit pins
2012-11-11T06:20:58 < emeb_mac> ah - must be a lot of current. :P
2012-11-11T06:21:23 < emeb_mac> but, lots of GND pins are good for EMI & signal integrity.
2012-11-11T06:49:33 < emeb_mac> lol - Apple paid $21mil to license the swiss clock face for their new clock app.
2012-11-11T06:49:50 < dongs> nice
2012-11-11T06:50:11 < dongs> eh
2012-11-11T06:50:22 < dongs> huh wut
2012-11-11T06:50:25 < dongs> datasheet sayts:
2012-11-11T06:50:32 < dongs> led cathode (negative) x pins
2012-11-11T06:50:38 < dongs> led cathode (positive) x pins
2012-11-11T06:50:46 < dongs> shouldnt one of those just be gnd
2012-11-11T06:50:58 < emeb_mac> not necessarily
2012-11-11T06:51:02 < dongs> then?
2012-11-11T06:51:13 < emeb_mac> a lot of display backlights bring out both separately
2012-11-11T06:51:31 < emeb_mac> that way you can power the backlight off its own supply
2012-11-11T06:51:44 < emeb_mac> and do either low or high-side drive for brightness.
2012-11-11T06:51:57 < emeb_mac> depending on what's best for your device.
2012-11-11T06:53:14 < dongs> hm i guess they typod too
2012-11-11T06:53:19 < dongs> positive should be called led anode..
2012-11-11T06:53:30 < emeb_mac> yeah - noticed that.
2012-11-11T06:53:31 < dongs> someone got copypastehappy
2012-11-11T06:55:41 < dongs> http://i.imgur.com/B2FNW.png
2012-11-11T06:55:44 < dongs> mostly GND
2012-11-11T06:57:44 < emeb_mac> yep
2012-11-11T06:57:57 < emeb_mac> interesting that there are more LED- than LED+
2012-11-11T06:58:02 < dongs> right
2012-11-11T06:58:03 < dongs> also weirds.
2012-11-11T06:59:17 < dongs> hmm auxN/P arer not on adjacent pins.
2012-11-11T06:59:25 < dongs> like the lanes.
2012-11-11T06:59:33 < dongs> though its also differential shit
2012-11-11T06:59:52 < emeb_mac> 3:1 ratio of -:+   wonder if that's significant
2012-11-11T07:01:34 < emeb_mac> don't know what the signal std on AUX is.
2012-11-11T07:01:46 < dongs> its all differential stuff
2012-11-11T07:01:48 < emeb_mac> maybe it's not as fast as the lanes.
2012-11-11T07:01:51 < dongs> right
2012-11-11T07:01:52 < dongs> its less
2012-11-11T07:02:10 < emeb_mac> then it's not as important to keep them together.
2012-11-11T07:08:12 < dongs> this doesnt make sense
2012-11-11T07:08:20 < emeb_mac> ?
2012-11-11T07:10:34 < dongs> of course chinks could have invalid info just to confuse users.
2012-11-11T07:10:37 < dongs> http://i.imgur.com/03UF1.png
2012-11-11T07:10:51 < dongs> their pattern is mirrored
2012-11-11T07:11:31 < dongs> i suppose i could just poke multimeter into the pins that are claimed to be GND
2012-11-11T07:11:34 < dongs> to make sure of hte pinout.
2012-11-11T07:11:38 < emeb_mac> weird
2012-11-11T07:11:39 < dongs> and/or try to turn on backlight
2012-11-11T07:12:00 < emeb_mac> is it just a flat cable?
2012-11-11T07:12:04 < dongs> ya
2012-11-11T07:12:15 < dongs> also I don't understand why they would try to route lanes inside the connectort
2012-11-11T07:12:24 < emeb_mac> wonder - can you flip it and still hook up?
2012-11-11T07:12:28 < dongs> no
2012-11-11T07:12:30 < dongs> its single sided
2012-11-11T07:12:38 < emeb_mac> there goes that idea.
2012-11-11T07:12:45 < dongs> i will just measure
2012-11-11T07:12:57 < dongs> it will be ovious if continuity tests fail for pins that claim to be gND
2012-11-11T07:13:01 < emeb_mac> yup
2012-11-11T07:13:13 < dongs> i did the pattern by standard rules
2012-11-11T07:13:18 < dongs> i.e.  bototm left = 1
2012-11-11T07:13:19 < dongs> etc
2012-11-11T07:13:28 < dongs> following the stuff in hirose datasheet for similar lookin connector
2012-11-11T07:13:32 < emeb_mac> oh.
2012-11-11T07:13:45 < emeb_mac> well, no telling what it _reaaly_ is I guess.
2012-11-11T07:14:03 < emeb_mac> strange that their layout has uneven spacing
2012-11-11T07:14:38 < dongs> uneven?
2012-11-11T07:14:46 < dongs> its even, but their failed to ground pour
2012-11-11T07:14:56 < dongs> or rather failed thermasl
2012-11-11T07:15:03 < emeb_mac> Ok - just the mask is too wide
2012-11-11T07:15:10 < dongs> for some reason like pins 49/51 are toether yeah
2012-11-11T07:15:37 < emeb_mac> that's just an adapter board - std DP conn to their cable, plus power?
2012-11-11T07:16:01 < dongs> no, that shit is that FPC -> ?? adapter
2012-11-11T07:16:10 < dongs> we looked at it with zyp it looks liek some weird JST-SH type connector
2012-11-11T07:16:12 < dongs> not DP
2012-11-11T07:16:15 < dongs> plus pinout doesnt match
2012-11-11T07:16:24 < emeb_mac> ah.
2012-11-11T07:19:25 < emeb_mac> so are you making just an adapter, or something more complex?
2012-11-11T07:19:45 < dongs> to verify stuff, adapter.
2012-11-11T07:19:53 < dongs> waiting for HDMI>DP evalboards to do somethign more complex.
2012-11-11T07:21:58 < emeb_mac> kewl
2012-11-11T07:22:23 < dongs> haha, i just noticed. writing on the fpc cable, FH258, so that def confirms it its a hirose connector
2012-11-11T07:22:34 < dongs> apparently datasheet for FH25 exists but not on hirose,com
2012-11-11T07:22:41 < dongs> looks similar to FH23/26 just different height above pcb
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2012-11-11T07:25:56 < emeb_mac> like this: http://pdf1.alldatasheet.com/datasheet-pdf/view/81235/HIROSE/FH25-21S-0.3SH.html
2012-11-11T07:26:41 < dongs> yeah
2012-11-11T07:26:56 < dongs> k got connector fitted time to test
2012-11-11T07:28:18 < dongs> my pinout certainly seems to match
2012-11-11T07:28:41 < emeb_mac> well - no guarantee their board actually worked. :)
2012-11-11T07:29:01 < dongs> right
2012-11-11T07:34:22 < dongs> http://i.imgur.com/dgWzL.png
2012-11-11T07:34:26 < dongs> this seems to be the "proper" pinout.
2012-11-11T07:34:33 < dongs> gonna... carefully try to backlight.
2012-11-11T07:34:51 < dongs> blue - lcd-, orange = lcd+, red = 3v3, light blue = gnd
2012-11-11T07:36:19 < emeb_mac> good idea.
2012-11-11T07:36:39 < dongs> none of the backlight shits are connected though
2012-11-11T07:36:45 < dongs> are they actually separate strings of leds?
2012-11-11T07:37:08 < emeb_mac> hard to say
2012-11-11T07:37:50 < emeb_mac> check if all the LED+ or LED- are connected?
2012-11-11T07:37:55 < dongs> thats what i mean
2012-11-11T07:37:56 < dongs> they're not
2012-11-11T07:38:10 < dongs> but most of GND, and all of 3.3 are connected.
2012-11-11T07:38:52 < emeb_mac> then put DMM in diode check mode and see if you can find continuity from any LED+ to any LED-
2012-11-11T07:39:00 < dongs> oh hm
2012-11-11T07:39:47 < emeb_mac> if they're strings though the diode check may not have enough voltage to bias them.
2012-11-11T07:40:35 < dongs> they're definityely strings
2012-11-11T07:40:40 < dongs> backlight needs like 20-30V
2012-11-11T07:40:43 < dongs> according to ???
2012-11-11T07:40:53 < emeb_mac> that's a bunch.
2012-11-11T07:41:15 < dongs> 6string LED Array X 2
2012-11-11T07:41:46 < emeb_mac> figure 3V/LED X 6 = 18V
2012-11-11T07:42:18 < dongs> ok so why is there only 2 anodes and 6 cathodes?
2012-11-11T07:42:40 < emeb_mac> no clue
2012-11-11T07:42:56 < dongs> i would imagine they should be connected together
2012-11-11T07:42:57 < dongs> right?
2012-11-11T07:43:18 < emeb_mac> yeah, at least 3 of the LED- should be shorted.
2012-11-11T07:43:24 < emeb_mac> the LED+ maybe not.
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2012-11-11T07:43:46 < dongs> hmmz.
2012-11-11T07:44:07 < emeb_mac> or else there are more strings than they're letting on.
2012-11-11T07:44:47 < dongs> the 6 cathodes are called cathode 1..6B and 1..6A
2012-11-11T07:44:56 < dongs> led anode is called anode 1, anode 2
2012-11-11T07:45:27 < emeb_mac> bizarre
2012-11-11T07:46:32 < emeb_mac> maybe there are 12 total strings? anodes for 6 and cathodes for each
2012-11-11T07:46:44 < dongs> doubtful. its backlight, why would there be > 1
2012-11-11T07:46:45 < dongs> err
2012-11-11T07:46:46 < dongs>   >2
2012-11-11T07:46:50 < dongs> per side of screen or someshit
2012-11-11T07:47:00 < dongs> but ir eally dont wanna be sending 18V down 0.3mm pitch connector
2012-11-11T07:47:10 < emeb_mac> or brightness control by turning off some strings?
2012-11-11T07:47:18 < emeb_mac> instead of PWM
2012-11-11T07:47:20 < dongs> yeah, i was considering that...
2012-11-11T07:47:56 < emeb_mac> 18V isn't a problem if it's current limited
2012-11-11T07:48:03 < dongs> but theoretically it should be safe to 18V between led anode 1 and led cathode 1A
2012-11-11T07:48:12 < emeb_mac> yes
2012-11-11T07:48:21 < emeb_mac> got a current-limited bench supply?
2012-11-11T07:48:26 < dongs> of course.
2012-11-11T07:48:28 < emeb_mac> just set it to 20ma max
2012-11-11T07:48:37 < emeb_mac> hard to hurt anything with that.
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2012-11-11T08:17:53 < dongs> i dunno man
2012-11-11T08:17:56 < dongs> it still makes a fairly large spark
2012-11-11T08:18:00 < dongs> at 10mA limit
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2012-11-11T08:23:00 < dongs> hmm.. nothing
2012-11-11T08:23:15 < emeb_mac> odd
2012-11-11T08:24:07 < emeb_mac> could be a big supply cap this side of the current limit that stores enough current for a spark
2012-11-11T08:26:20 < emeb_mac> still have it set to 18V?
2012-11-11T08:26:58 < dongs> ya
2012-11-11T08:27:04 < dongs> 16v actually
2012-11-11T08:27:11 < emeb_mac> might try gently turning it up (while connected)
2012-11-11T08:28:37 < dongs> ok pinout on FPC seems to match
2012-11-11T08:28:50 < dongs> there are some areas fused together
2012-11-11T08:28:55 < dongs> the 3.3V part and GND in the center part
2012-11-11T08:29:21 < emeb_mac> makes sense.
2012-11-11T08:29:31 < dongs> also led anodes
2012-11-11T08:29:32 < dongs> aretogether
2012-11-11T08:29:35 < dongs> but cathodes are separate.
2012-11-11T08:29:52 < emeb_mac> that suggests individual control per string.
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2012-11-11T08:32:38 < dongs> hmm even dire4ctly touching to shit doesnt light up. anode = +, cahode = - right?
2012-11-11T08:33:00 < emeb_mac> should be. what voltage?
2012-11-11T08:33:05 < dongs> bumped to 18
2012-11-11T08:33:22 < emeb_mac> might need to be higher I suppose.
2012-11-11T08:33:34 < emeb_mac> you said 20-30 from some other data sheet?
2012-11-11T08:33:59 < dongs> actually... should i b e able to see the backlight?
2012-11-11T08:34:04 < dongs> if LCD power isnt on
2012-11-11T08:34:08 < dongs> are TFTs are black?
2012-11-11T08:34:42 < dongs> the spark when i short +/- is fuckjing giant
2012-11-11T08:34:46 < dongs> it melts metal in the connectors
2012-11-11T08:34:53 < dongs> but wehn I connect to lcd nothing.
2012-11-11T08:35:17 < dongs> io shit
2012-11-11T08:35:18 < dongs> i saw it
2012-11-11T08:35:23 < dongs> white light is on
2012-11-11T08:35:26 < dongs> in one side
2012-11-11T08:36:11 < dongs> ok. so pinout is right
2012-11-11T08:37:51 < emeb_mac> sweet!
2012-11-11T08:41:11 < dongs> hmmmmmmmmm
2012-11-11T08:47:24 < emeb_mac> can't find those fsckin 6-pin RA 0.1" sockets for the AfroLED chain at either Mouser or DK
2012-11-11T08:49:12 < dongs> really? I just told my chink guy "right angle shrouded connectors"
2012-11-11T08:49:16 < dongs> and he imediately delivered me some
2012-11-11T08:49:27 < dongs> i think I linked him to a sparkfun pic
2012-11-11T08:49:28 < dongs> sec
2012-11-11T08:49:54 < emeb_mac> must not be using the right search terms
2012-11-11T08:50:25 < dongs> http://www.robotgear.com.au/Cache/Files/ProductImageOriginals/857_6%20Pin%20Right%20Angle%20Female%20Header.jpg
2012-11-11T08:50:29 < dongs> gave him this pic
2012-11-11T08:51:29 < dongs> i suspect right angle female header should yield you correct results?
2012-11-11T08:51:33 < dongs> 2.54mm pitch
2012-11-11T08:51:56 < emeb_mac> https://www.sparkfun.com/products/9429
2012-11-11T08:52:06 < dongs> ya
2012-11-11T08:52:07 < dongs> thats the shit
2012-11-11T08:52:25 < dongs> chink gave me a bunch that were visible broken out from larger pieces
2012-11-11T08:52:43 < dongs> some of them had leftovers of the pin that was broken in half
2012-11-11T08:52:51 < dongs> and leftovers of plastic mess wehre tehy sliced through the connector
2012-11-11T08:54:42 < emeb_mac> this might work: http://www.digikey.com/product-detail/en/PPTC061LGBN-RC/S5442-ND/775900
2012-11-11T08:55:04 < dongs> sounds like it
2012-11-11T08:55:09 < dongs> there sould be 100s of hits
2012-11-11T08:55:12 < dongs> for tha sorta stuff.
2012-11-11T08:55:20 < emeb_mac> strangely, no.
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2012-11-11T08:55:30 < dongs> somethign is wrong with your search limit  then
2012-11-11T08:55:47 < emeb_mac> there's a lot of odd ones like this: http://www.digikey.com/product-detail/en/535676-5/A26409-ND/293897
2012-11-11T08:56:05 < emeb_mac> or this: http://www.digikey.com/product-detail/en/22-16-2060/WM3215-ND/211103
2012-11-11T08:56:14 < dongs> no
2012-11-11T08:56:17 < dongs> defintreyt not that
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2012-11-11T08:57:11 < emeb_mac> that sullins one looks right. I'll get some of them.
2012-11-11T08:57:37 < emeb_mac> they've got a gold one too.
2012-11-11T08:57:53 < dongs> ya china ones were gold
2012-11-11T08:58:06 < dongs> 25c/ea
2012-11-11T08:58:06 < dongs> heh
2012-11-11T08:58:55 < emeb_mac> owche - these are 3x that.
2012-11-11T08:59:17 < emeb_mac> it's what I get for living in the US.
2012-11-11T09:00:14 < emeb_mac> yeah - that sullins is the same as the Sparkfun one.
2012-11-11T09:03:31 < dongs> emeb_mac: ok, i found the issue with my connector. it actually is correct on chinasite.
2012-11-11T09:04:07 < dongs> the pins really are reversed
2012-11-11T09:04:07 < emeb_mac> you mean the board that seemed reversed?
2012-11-11T09:04:13 < dongs> because the stuff goes into conector upsidw dow
2012-11-11T09:04:15 < dongs> yeah
2012-11-11T09:04:20 < emeb_mac> Aha!
2012-11-11T09:05:09 < dongs> rechecked everything again and its ok how they have it
2012-11-11T09:05:11 < dongs> my stuff matches
2012-11-11T09:07:58 < dongs> k and backlight works thorugh connector now.
2012-11-11T09:08:06 < dongs> time to wash dishes and figure out DP connector pinout/pattern
2012-11-11T09:10:32 < emeb_mac> big fun.
2012-11-11T09:30:50 < dongs> indeed
2012-11-11T09:32:35 < emeb_mac> dishes all done?
2012-11-11T09:32:58 < zippe> This is embarrassing
2012-11-11T09:33:07 < dongs> sup zippe
2012-11-11T09:33:12 < dongs> did you fail installing lunix on gfpc?
2012-11-11T09:33:33 < zippe> Heh, no.  I spent months building an uber watercooled hackintosh late last year
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2012-11-11T09:33:51 < dongs> terrible
2012-11-11T09:33:55 < zippe> And now I just set up a new mac mini … that's faster
2012-11-11T09:34:07 < zippe> So now I have to list all this PC crap on cragislist
2012-11-11T09:34:09 -!- dekar_ [~dekar@212.255.47.230] has joined ##stm32
2012-11-11T09:34:13 -!- mode/##stm32 [+v dekar_] by ChanServ
2012-11-11T09:34:48 < zippe> It's like being asked to sell your sister's BL manga after she moves out with her girlfriend
2012-11-11T09:37:27 < dongs> lets see how much im gonna get raped for a displayport socket
2012-11-11T09:37:31 < emeb_mac> there's an analogy I wouldn't have thought of
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2012-11-11T09:37:57 < dongs> I guess I need 'receptacle?
2012-11-11T09:38:31 < dongs> no mini dp sockets in stock.. that answers THAT question.
2012-11-11T09:39:05 < dongs> http://jae-connector.com/en/pdf/SJ108218.pdf
2012-11-11T09:39:11 < dongs> 0.5mm pitch
2012-11-11T09:39:41 < emeb_mac> that little screw tab on top really completes the look.
2012-11-11T09:39:46 < dongs> ya.
2012-11-11T09:40:23 < dongs> nice.
2012-11-11T09:40:26 < dongs> TE and JAE are both compatible
2012-11-11T09:40:28 < dongs> physically
2012-11-11T09:40:36 < dongs> so i can look at both PDFs for missing dimensions
2012-11-11T09:41:22 < emeb_mac> handy.
2012-11-11T09:41:40 < emeb_mac> it'd be better if they didn't have missing dimensions of course
2012-11-11T09:43:00 < emeb_mac> zippe: is that the latest mini?
2012-11-11T09:44:25 < dongs> macfags cant own any non-latest apple hardware.
2012-11-11T09:44:37 < dongs> so they will sell their body parts to get newest shit.
2012-11-11T09:44:45 < dongs> and immediately dispose of 'previous generation'
2012-11-11T09:44:50  * emeb_mac must not be a macfag. Has a 4yro MacBook
2012-11-11T09:45:02 < dongs> I found a powergbook g4 in teh trash
2012-11-11T09:45:05 < dongs> few days ago
2012-11-11T09:45:14 < dongs> useless shit, power it up and some weird whirring noise
2012-11-11T09:45:21 < dongs> maybe fan or hdd or maybe cdrom
2012-11-11T09:45:24 < dongs> doesnt boot
2012-11-11T09:45:27 < dongs> left it back in the trash
2012-11-11T09:45:34 < dongs> G4 is dead anyway, isnt it
2012-11-11T09:45:43 < emeb_mac> Yeah - not much use.
2012-11-11T09:45:50 < dongs> dead like bsd, probably not supported by latest osx either
2012-11-11T09:46:16 < emeb_mac> I've got a 9yro G4 iBook that still runs fine, but it's a bit slow.
2012-11-11T09:46:38 < emeb_mac> definitely not supported by current OS.
2012-11-11T09:57:51 < dongs> displayporn: http://i.imgur.com/r02bS.png
2012-11-11T09:58:27 < emeb_mac> time for zzzz
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2012-11-11T11:08:13 < dongs> fucking great
2012-11-11T11:08:17 < dongs> all the DP lanes are inverted
2012-11-11T11:08:22 < dongs> no matter how I mount the pcb
2012-11-11T11:09:09 < dongs> i guess its not realyl cool t o route gbps differential shit through vias :p
2012-11-11T11:15:50 < Claude> hehe , wire bridges
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2012-11-11T12:10:29 < baird> Dalek cakes made for the housemate's birthday today... http://boards.4chan.org/ck/res/3992686
2012-11-11T12:13:50 -!- daku is now known as DaKu
2012-11-11T12:48:43 < dongs> looks like black dicks with m&m's
2012-11-11T12:48:44 < dongs> ur a fgt.
2012-11-11T12:48:47 < dongs> ROFL
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2012-11-11T13:11:29 < baird> http://i.imgur.com/WYTRl.jpg
2012-11-11T13:12:59 <+dekar_> dongs, you don't even need a G4 to be unsupported by the latest osx, many x86er macs can't run it either
2012-11-11T13:13:38 < ABLomas> baird: did you noticed that dongs only read one of comments on page?
2012-11-11T13:13:49 < baird> The original Intel MacBooks can't into Snow Leopard, as I recall.
2012-11-11T13:14:32 <+dekar_> mountain lion dropped support for a ton of devices as well
2012-11-11T13:17:02 <+dekar_> http://www.geekosystem.com/os-x-mountain-lion-drops-support-older-64-bit-models/
2012-11-11T13:17:14 <+dekar_> even 2008 macbook air can't run mountain lion
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2012-11-11T14:06:08 < dongs> lol
2012-11-11T14:06:14 < dongs> planned obsolescence
2012-11-11T14:06:16 < dongs> fucking apple trash
2012-11-11T14:07:18 < dongs> "So if you really need to move to OS X Mountain Lion, I suppose all you can do is get a newer Mac. Like everyone does anyway."
2012-11-11T14:07:21 < dongs> haha
2012-11-11T14:07:27 < Tectu> lol
2012-11-11T14:09:42 <+dekar_> a four year old pc would be perfectly fine for most people
2012-11-11T14:10:34 <+Steffanx> dongs, old
2012-11-11T14:11:52 < BrainDamage> I usually replace a computer when I get cascaded failure
2012-11-11T14:12:16 <+Steffanx> So you still use your 286?
2012-11-11T14:12:22 < dongs> i need  to replace my main i7 860S desktop
2012-11-11T14:12:31 < dongs> reasons: i want to switch to win8 and I need 16-32gb ram
2012-11-11T14:12:33 < BrainDamage> nope, that failed long time ago
2012-11-11T14:12:48 <+Steffanx> Here the 286 seems to unbreakable
2012-11-11T14:12:52 <+Steffanx> be
2012-11-11T14:13:00 < BrainDamage> and it was a 386
2012-11-11T14:13:04 <+Steffanx> :)
2012-11-11T14:13:38 < BrainDamage> 386 -> p166 -> piv1.8->c2d2.5
2012-11-11T14:13:43 < BrainDamage> the 166 was garbage
2012-11-11T14:14:10 <+Steffanx> Time for something i7-ish :P
2012-11-11T14:16:04 < dongs> I had a P75
2012-11-11T14:16:07 < dongs> overclocked i t to P90
2012-11-11T14:16:19 < dongs> then upgraded to dual pII-300
2012-11-11T14:16:22 < dongs> on P6DLS board
2012-11-11T14:16:24 < dongs> that was the shit.
2012-11-11T14:16:34 < dongs> ran win98 fucking awesomely
2012-11-11T14:16:38 <+Steffanx> The good old times
2012-11-11T14:16:51 <+Steffanx> Where the troll still had to be invented
2012-11-11T14:27:34 < baird> oooooooold crap that I'm getting rid of: http://kildall.apana.org.au/~cjb/vcs2600.jpg
2012-11-11T14:28:37 < dongs> trasj
2012-11-11T14:29:19 < Laurenceb__> <dongs> reasons: i want to switch to win8
2012-11-11T14:29:21 < Laurenceb__> lulwut
2012-11-11T14:29:23 < BrainDamage> no no, you can still run bsd on it!
2012-11-11T14:29:55 < BrainDamage> it'd make an awesome router with a special networking cartdrige, way better than those "webtrash guis"
2012-11-11T14:30:03 < dongs> Laurenceb__: have you used win8?
2012-11-11T14:30:05 < dongs> its amazing
2012-11-11T14:30:11 < Laurenceb__> stop trolling
2012-11-11T14:30:18 < dongs> not trolling
2012-11-11T14:30:20 < dongs> dead srs
2012-11-11T14:30:35 < dongs> Laurenceb__: halp me route this 100ohm differential pair on 2layer pcb
2012-11-11T14:30:57 < Laurenceb__> only if you kill ballmer
2012-11-11T14:31:28 < Laurenceb__> there online calculator thingys to do that
2012-11-11T14:31:38 < dongs> they want frequency
2012-11-11T14:31:41 < dongs> i dunno what DP runs at
2012-11-11T14:32:46 < Laurenceb__> wut
2012-11-11T14:32:53 < Laurenceb__> inpedance is constant
2012-11-11T14:32:58 < dongs> http://www1.sphere.ne.jp/i-lab/ilab/tool/cpw_e.htm
2012-11-11T14:36:52 < dongs> start chirping
2012-11-11T14:37:54 < dongs> http://www.digital-cp.com/files/static_page_files/8DE10406-1A4B-B294-D0F9AB492FF64BF9/HDCP%20on%20DisplayPort%20Specification%20Rev1_1.pdf
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2012-11-11T15:25:29 < dongs> stoned
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2012-11-11T16:10:01 < dongs> i might have to use altium for this
2012-11-11T16:10:09 < dongs> it has like super awesome differential lane routing stuff
2012-11-11T16:10:56 < dongs> https://youtube.com/watch?v=QlNgoS3SEME look at this shit
2012-11-11T16:24:07 < Tectu> jesus that's ha hack of a PCB
2012-11-11T16:25:05 < dongs> slightly higher end than a regular tarduino
2012-11-11T16:25:31 < Tectu> I don't like routing PCBs
2012-11-11T16:25:39 < dongs> its awesome dude
2012-11-11T16:25:41 < dongs> wtf is wrong wiht you
2012-11-11T16:25:44 < dongs> routing is like the best part
2012-11-11T16:25:48 < Tectu> wtf no
2012-11-11T16:25:52 < Tectu> that's the worst of all
2012-11-11T16:25:53 < dongs> wtf YES
2012-11-11T16:25:55 < dongs> nope
2012-11-11T16:25:59 < dongs> its the most fun part
2012-11-11T16:26:05 < Tectu> wtf is wrong with you?
2012-11-11T16:26:14 < dongs> dude anyone in this channel will agree
2012-11-11T16:26:32 < Tectu> wtf dude, i don't think so
2012-11-11T16:26:43 < dongs> nntry asking
2012-11-11T16:26:45 < Tectu> waht's fun of routing?
2012-11-11T16:26:45 < dongs> you'd be surprised
2012-11-11T16:26:59 < dongs> im not even trolling
2012-11-11T16:27:41 < Tectu> that surprises me the most, yes
2012-11-11T16:28:12 < Tectu> what do you like about routing, dongle
2012-11-11T16:28:35 < dongs> with proper tools its easy, challenging, makes you think, etc
2012-11-11T16:29:58 < Tectu> well, I'll come back to you then
2012-11-11T16:32:00 < Claude> dongs , get a AD licence you wont regret it (maybe your bank account ..) !
2012-11-11T16:36:33 < Claude> routing is relaxing :) it's even maybe some kind art
2012-11-11T16:41:29 < dongs> yeah, tectu is a fgt if he thinks routing sucks
2012-11-11T16:41:36 < dongs> just about anyone will agree its amazingly fun
2012-11-11T16:42:08 < dongs> I wish I knew what im doing with this displayporn routing shit
2012-11-11T16:42:22 < Tectu> I didn't say it sucks
2012-11-11T16:42:26 < Tectu> I just said I don't like it at all
2012-11-11T16:42:28 < Claude> you need Z=100 on a two layer pcb ?
2012-11-11T16:42:32 < dongs> yea LOL
2012-11-11T16:42:37 < dongs> for 1.6gbps differential
2012-11-11T16:42:54 < dongs> i think the only way to make it reasonable width traces would be coplanar waveguide
2012-11-11T16:42:56 < Claude> hehe , 35um or 18um copper?
2012-11-11T16:43:00 < dongs> 1oz
2012-11-11T16:43:09 < Claude> um 1oz = um ?
2012-11-11T16:43:12 < dongs> i.e. gnd|sig+|gnd|sig-|gnd
2012-11-11T16:43:29 < dongs> 1oz = 35um,
2012-11-11T16:43:32 < Claude> eeehhh why the gnd between the differential pair ?
2012-11-11T16:43:34 < dongs> halfoz = 18
2012-11-11T16:43:40 < Claude> ah okay
2012-11-11T16:43:41 < dongs> thats the coplanar shit
2012-11-11T16:43:53 < dongs> http://www.focusembedded.com/blog/high-speed-usb-in-a-two-layer-pcb/
2012-11-11T16:44:03 < dongs> usually if you do highspeed USB on 2L board
2012-11-11T16:44:08 < dongs> your traces have eto be giant thick
2012-11-11T16:44:20 < dongs> if you stick GND in the middle you can reduce shit a bit
2012-11-11T16:44:36 < Claude> yeah coplanar , but you have differential signals . i don't think you need the gnd inbetween
2012-11-11T16:44:47 < dongs> try and see waht it takes to do 100ohm on 2L without tricks
2012-11-11T16:44:51 < dongs> well, USB is differential, no?
2012-11-11T16:44:57 < Claude> yes it is
2012-11-11T16:45:13 < dongs> i think its gonna come back and tlel you the traces need to be like 50mil thick
2012-11-11T16:45:22 < Claude> never saw a differential line with gnd in between the pairs
2012-11-11T16:45:32 < dongs> used a lot on cheapass routers
2012-11-11T16:45:33 < dongs> that are on 2l
2012-11-11T16:45:39 < dongs> for phy and rf connections
2012-11-11T16:46:19 < Claude> single ended okay , but differential ?
2012-11-11T16:47:05 < dongs> maybe its gnd aroudn teh signals
2012-11-11T16:47:06 < Claude> firing up AD , let's see what comes out
2012-11-11T16:47:17 < Claude> yeah around makes sense
2012-11-11T16:47:19 < dongs> with tons of vias through it
2012-11-11T16:47:35 < Claude> nahhh
2012-11-11T16:49:38 < dongs> http://i.imgur.com/uc8J2.png
2012-11-11T16:49:40 < dongs> i.e. shit like this
2012-11-11T16:49:55 < dongs> thats from a 2l wifi-n router, the links between SoC and RF junks
2012-11-11T16:50:02 < dongs> blue = holes/vias
2012-11-11T16:50:06 < Tectu> must cost a shitload of money
2012-11-11T16:50:17 < dongs> so each diff pair is between gnd full of vias
2012-11-11T16:50:25 < Tectu> why is there a bigger via in the middle of the IC footprint?
2012-11-11T16:50:38 < dongs> they like their solder seeping through
2012-11-11T16:53:45 < dongs> for 2 layer,, apparently 7/5/7 for 100ohm diff
2012-11-11T16:53:48 < dongs> is that even right?
2012-11-11T16:54:11 < dongs> 1.6, 1oz copper, standard ghetto chinapcb
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2012-11-11T16:57:34 < Claude> dongs , Z=100 : width 10mils , space between the lines : 6mils .. NO gnd at all , maybe a groundplane on the opposite (BOT) layer
2012-11-11T16:57:53 < Claude> thats Z=102 then.. should be goog enough
2012-11-11T16:58:27 < Claude> good even
2012-11-11T16:59:19 < Claude> epsilon R = 4.5 (FR4)
2012-11-11T17:00:40 < Claude> the whole stuff is called 'microstrip' then , coplanar waveguides are for single ended RF stuff imo
2012-11-11T17:02:50 < Claude> dongs, yeah on the pcb you posted . look at the differential pairs , no gnd in between N and P
2012-11-11T17:13:00 < Claude> dongs : http://www.skottanselektronik.com/impcalc_en.html
2012-11-11T17:14:16 < Claude> even better ones here : http://www.mantaro.com/resources/impedance_calculator.htm
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2012-11-11T17:28:18  * emeb_mac reads log
2012-11-11T17:29:14 < emeb_mac> have to agree w/ dongs: routing pcbs is fun. it's like playing a game - time passes quickly.
2012-11-11T17:32:22 < gnomad> the only trick is getting over the hump of learning your PCB software.
2012-11-11T17:35:23 < emeb_mac> true dat. not knowing your tool blocks the flow.
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2012-11-11T21:09:25 < emeb> hmmmm...
2012-11-11T21:09:37 < emeb> does systick IRQ not need to be cleared?
2012-11-11T21:24:57 < TitanMKD> emeb no
2012-11-11T21:25:05 < TitanMKD> it's autocleared magically
2012-11-11T21:25:24 < emeb> TitanMKD: indeed.
2012-11-11T21:25:49 < emeb> looking at examples in StdPeriph it appears to be very simple.
2012-11-11T21:25:51 < jpa-> i wish all interrupts were
2012-11-11T21:26:00 < emeb> and my first try worked, so \o/
2012-11-11T21:26:16 < jpa-> though, considering they use the same vectors for many interrupts, it wouldn't work
2012-11-11T21:26:24 < emeb> true.
2012-11-11T21:26:42 < TitanMKD> not all interrupts are autocleared
2012-11-11T21:26:48 < TitanMKD> it depends on peripherals
2012-11-11T21:27:02 < TitanMKD> on some you need to clear the peripheral specific IRQ
2012-11-11T21:27:14 < jpa-> yep
2012-11-11T21:27:19 < TitanMKD> but systick is integrated in core and is automatically cleared
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2012-11-11T21:57:14 < Laurenceb__> http://www.stevecarter.com/transported/ted1.htm
2012-11-11T21:57:25 < Laurenceb__> and i thought i was sad
2012-11-11T22:01:46 -!- BrainDamage [~BrainDama@62.10.6.207] has quit [Ping timeout: 256 seconds]
2012-11-11T22:03:51 <+Steffanx> heh
2012-11-11T22:04:00 <+Steffanx> You ARE sad, Laurenceb__
2012-11-11T22:04:37 < Laurenceb__> not _that_ much of a loser
2012-11-11T22:05:09 <+Steffanx> Sure you are
2012-11-11T22:05:16 <+Steffanx> me too btw
2012-11-11T22:06:42 <+Steffanx> We are both here, on a sunday evening.. doesn't that say enough Laurenceb__ ?
2012-11-11T22:06:56 < Laurenceb__> lol
2012-11-11T22:08:02 <+Steffanx> All we do is increasing our blaxter ratio
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2012-11-11T23:13:31 < Tectu> st.com is down :o
2012-11-11T23:17:27 < qyx_> ok here
2012-11-11T23:17:49 <+Steffanx> the part you need probably not tec
2012-11-11T23:17:52 <+Steffanx> tu
2012-11-11T23:18:04 <+Steffanx> http://www.st.com/internet/mcu/family/141.jsp for example still works, Tectu
2012-11-11T23:18:25 <+Steffanx> only st.com is down www.st.com not :)
2012-11-11T23:19:08 < Tectu> i need some e-mail address of st :D
2012-11-11T23:19:39 <+Steffanx> You are not important enough to email them
2012-11-11T23:20:38 -!- Bird|lappy [~Bird|ub3r@unaffiliated/htt-bird] has joined ##stm32
2012-11-11T23:20:48 < Tectu> maybe they just don't know yet?
--- Day changed Mon Nov 12 2012
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2012-11-12T00:59:10 -!- DaKu is now known as daku
2012-11-12T01:07:08 < emeb> haha japan: http://www.youtube.com/watch?feature=player_embedded&v=r633xXETHXQ
2012-11-12T01:10:52 <+Steffanx> Yeah, have seen it before a week ago or so.. weird people there
2012-11-12T01:11:14 < emeb> weird people _everywhere_
2012-11-12T01:11:38 <+Steffanx> The version i've see was longer.. you saw the same 'girls' jump TWICE
2012-11-12T01:12:00 <+Steffanx> I think it's pretty scare to be upside down in the crap
2012-11-12T01:12:11 <+Steffanx> *scary
2012-11-12T01:12:13 < emeb> yeah - wondered about that.
2012-11-12T01:12:26 < Erlkoenig> probably just a doll
2012-11-12T01:12:33 < emeb> not the sort of thing that's easy to get out of.
2012-11-12T01:12:39 <+Steffanx> Could be Erlkoenig
2012-11-12T01:12:59 < emeb> don't think dolls mover their hands like that.
2012-11-12T01:13:14 < emeb> probably had some guys standing by to haul them out.
2012-11-12T01:13:19 <+Steffanx> but Erlkoenig our girl knows it all :P
2012-11-12T01:13:32 < Erlkoenig> humpf
2012-11-12T01:13:39 < Erlkoenig> (00:13:14) emeb: probably had some guys standing by to haul them out. <- yup
2012-11-12T01:13:46 <+Steffanx> See
2012-11-12T01:15:24 <+Steffanx> I think Erlkoenig is also from japan and is one of the girls
2012-11-12T01:15:59 < emeb> you have an active fantasy life
2012-11-12T01:16:10 < Erlkoenig> sure... i like very much to dress in school uniforms and play with may... discovery boards
2012-11-12T01:16:17 < Erlkoenig> *my
2012-11-12T01:16:26 <+Steffanx> Yeah, my brain gets over active when it's after 00.00
2012-11-12T01:16:32 <+Steffanx> *00:00
2012-11-12T01:17:20 < baird> I want to jump into mud like that.. :|
2012-11-12T01:17:22 < Erlkoenig> you can find my xtube videos by searching "hot japanese crossdresser doing applied multitasking"
2012-11-12T01:17:35 <+Steffanx> baird, dongs can help you
2012-11-12T01:17:48 <+Steffanx> That sounds very bad Erlkoenig
2012-11-12T01:18:24 < Erlkoenig> you want to teach me better english?
2012-11-12T01:19:03 <+Steffanx> No my english sucks more than your english sucks
2012-11-12T01:19:17 <+Steffanx> I meant the last part: "hot japanese crossdresser doing applied multitasking"
2012-11-12T01:19:38 < Erlkoenig> it was intended to be a paraphrasing of gangbang
2012-11-12T01:20:17 -!- mode/##stm32 [+o Steffanx] by ChanServ
2012-11-12T01:20:17 <@Steffanx> Sure :)
2012-11-12T01:20:45 -!- mode/##stm32 [-o Steffanx] by ChanServ
2012-11-12T01:21:28 <+Steffanx> Yes, that's why i said it sounds bad Erlkoenig
2012-11-12T01:21:34 <+Steffanx> Unless you are really into that
2012-11-12T01:21:54 < baird> I've actually already jumped into mud like that! :D .. I was visiting Thea's parent's outback farm back in 1997, and the farm dam that we went swimming had a sizable sticky black mud section..
2012-11-12T01:22:34 < baird> A New Zeland mud-bath kind of deal, and free!
2012-11-12T01:22:36 < Erlkoenig> Steffanx: maybe i could charm you into liking it...
2012-11-12T01:23:14 < Erlkoenig> baird: sounds like a beginning for a romantic mud wrestling porn
2012-11-12T01:23:34 < baird> Tried. Thea wasn't interested. :P
2012-11-12T01:23:50 < Erlkoenig> who is Thea? :D
2012-11-12T01:23:50 <+Steffanx> Erlkoenig, please join Laurenceb__ in ##laurenceb
2012-11-12T01:24:00 <+Steffanx> Charl's sister
2012-11-12T01:24:10 < baird> I'm serious. I actually did ask.
2012-11-12T01:24:29 <+Steffanx> romantic mud wrestling porn .. something wrong there
2012-11-12T01:24:30 < baird> Thea: girlfriend from 1997-2001. Almost married.
2012-11-12T01:24:54 < Erlkoenig> that was close!
2012-11-12T01:25:02 <+Steffanx> aw
2012-11-12T01:25:12 < baird> Putback farming parents were also fundie Catholics.. "Your not marring someone without GOD!" :/
2012-11-12T01:25:15 < Erlkoenig> ima still together with my first big love :3
2012-11-12T01:25:19 < Laurenceb__> FOREVER ALONE
2012-11-12T01:25:34 <+Steffanx> Erlkoenig i see what you did there Erlkoenig
2012-11-12T01:25:37 <+Steffanx> You and your dong
2012-11-12T01:25:43 < Erlkoenig> nooo
2012-11-12T01:25:55 < Laurenceb__> your realdoll
2012-11-12T01:26:22 < baird> Man's Best Friend.
2012-11-12T01:26:47 <+Steffanx> ARgh, have to wake up early
2012-11-12T01:26:47 <+Steffanx> gn
2012-11-12T01:27:03 < BrainDamage> his hand, not his dong, duh
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2012-11-12T01:31:31 -!- Steffanx [~Steffanx@unaffiliated/steffanx] has quit [Ping timeout: 260 seconds]
2012-11-12T01:31:48 < Laurenceb__> http://i.imgur.com/gOchw.jpg
2012-11-12T01:32:11 < Erlkoenig> booooooooooring
2012-11-12T01:32:37 < baird> I just woke up early. As a NEET, this confuses me.
2012-11-12T01:33:03 < Laurenceb__> not in education employment or training?
2012-11-12T01:34:48 < baird> Practically. I've called it 'retirement' in polite company. :p
2012-11-12T01:35:39 < Laurenceb__> luckly my taxes dont go to pay for your pron and tissues
2012-11-12T01:36:38 < baird> I've generated enough income with several endevours to cover myself. :)
2012-11-12T01:38:00 < Laurenceb__> ewww
2012-11-12T01:39:53 < dongs> helo dongs
2012-11-12T01:39:56 < baird> "Pretty-much gave up on working when I didn't need to do it.." Income is about 10k a year, which is enough to enjoy a slack life.
2012-11-12T01:40:57 < Laurenceb__> argggg
2012-11-12T01:41:07 < Laurenceb__> why is active-robots.com so slowww
2012-11-12T01:41:38 < baird> Because you touch yourself at night, I believe is the official explaination.
2012-11-12T01:41:42 < Laurenceb__> takes about 1 minute for any .aspx page to load
2012-11-12T01:42:21 < BrainDamage> aspiex
2012-11-12T01:42:28 < Laurenceb__> haha
2012-11-12T01:42:43 -!- Rickta59 [~kimballr@cpe-174-106-144-066.ec.res.rr.com] has quit [Ping timeout: 260 seconds]
2012-11-12T01:43:01 < Laurenceb__> http://www.active-robots.com/motors-wheels/linear-actuators
2012-11-12T01:43:12 < Laurenceb__> try and load an L12 into your basket
2012-11-12T01:44:56 < baird> The Aldebaran NAO is the one subsizied by the French government, where the development tools cost 3 times more than the bot? (Which pissed off everyone when it was chosen as the official Robocup platform..)
2012-11-12T01:45:01 < Laurenceb__>  *everyone tries and completely kills the server*
2012-11-12T01:45:13 < Laurenceb__> wut
2012-11-12T01:45:22 < Laurenceb__> baird actually does this shit
2012-11-12T01:45:34 < Laurenceb__> i need some actuators for some hacked up test rig
2012-11-12T01:50:02  * Laurenceb__ zzz
2012-11-12T01:50:44 < baird> When the Robocup people asked/tendered for a replacement standard platform (after the Sony Aibo), everyone but NAO offered open source platforms-- with most contestants being Universities, that's what they wanted. Alebaran's submission was exceptionally cheaper because it was subsidized by the French government, with no word about the development total cost.. When it got chosen, gee.. no more subsidy, and people learned about the
2012-11-12T01:50:46 < baird> $30,000+ in training and licensing they had to do.
2012-11-12T01:53:18 < baird> "Did anyone from Fraunhoffer work for your company now..?"
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2012-11-12T01:59:53 < dongs> ok so
2012-11-12T01:59:58 < dongs> 23:57 < Claude> dongs , Z=100 : width 10mils , space between the lines : 6mils .. NO gnd at all , maybe a groundplane on the opposite (BOT) layer
2012-11-12T02:00:05 < dongs> i dont believe this for 2L
2012-11-12T02:00:16 < dongs> to do 90ohm differential for USB the traces had to be like 20+ mil
2012-11-12T02:04:37 < dongs> shut up flyback. or im gonna throw a stepper motor in your cereal.
2012-11-12T02:05:09 < Erlkoenig> fraunhofer? yeah, the pride of germanie's science :3
2012-11-12T02:13:51 < dongs> flyback: i'm gonna guess, dongs?
2012-11-12T02:14:41 -!- Erlkoenig [~erlkoenig@pptp-212-201-70-247.pptp.stw-bonn.de] has quit [Quit: Leaving.]
2012-11-12T02:24:27 -!- TitanMKD [Titan@chl26-1-88-183-104-56.fbx.proxad.net] has quit []
2012-11-12T02:45:33 < zippe> 'Due to the "we mimic which we admire" tendency in human, holding Linus aloft encourages people to adopt incorrigible asshat communication patterns online.'
2012-11-12T02:45:40 < zippe> Ok, that's going in my .sig
2012-11-12T02:50:34 -!- BrainDamage [~BrainDama@dynamic-adsl-78-12-244-147.clienti.tiscali.it] has quit [Read error: Connection reset by peer]
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2012-11-12T03:09:10 < baird> He needs a kick in the head for introducing beer to Unix hacking.
2012-11-12T03:10:49 < baird> Before, it was like "Underclock my brain? Not happening." But after Torvalds' beer thing, it was like "LeT's HaVe ThE nExt UnIx UsErS gRoUp MeEtInG iN a BaR!111"
2012-11-12T03:17:33 < baird> Even Martin Pool, who I knew well up in Brisbane was like that.. "But you're a Vegetarian.. you're classier than that.." "We'll go to a classy bar!" :P
2012-11-12T03:34:07 < dongs> so, what's worse for ghz transmission lines: making them long or routing one trace through a via?
2012-11-12T03:35:24 < baird> I know someone who would know.. but it isn't me.
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2012-11-12T03:48:50 < baird> You've got the gear to measure the RFI though?
2012-11-12T03:49:12 < dongs> i've got a 3ghz spectrum analyzer but I dont have anything that can do those eye patterns
2012-11-12T03:49:45 < dongs> which is i think what i ll need to see if im trolling myself or not
2012-11-12T03:49:54 < BrainDamage> dongs: I'd say via
2012-11-12T03:50:12 < BrainDamage> generally discontinuity == reflection
2012-11-12T03:50:21 < BrainDamage> the bigger th discontinuity, and the higher the reflection
2012-11-12T03:51:38 < dongs> so doesnt via add discontinuity/
2012-11-12T03:51:39 < dongs> or wat
2012-11-12T03:52:11 < BrainDamage> you asked what's worse
2012-11-12T03:52:19 < dongs> 1~ah
2012-11-12T03:53:14 < dongs> http://i.imgur.com/xKLRU.png so im gonna have to do ghetto length matching on this shit then
2012-11-12T03:53:40 < BrainDamage> ouch, those look pretty close coupled :/
2012-11-12T03:53:43 < dongs> i cant avoid vias but DP spec says up to 2 vias per signal is ok
2012-11-12T03:53:52 < dongs> which is what I got there.
2012-11-12T03:54:03 < dongs> otherwise, i can route one line direct and via the second one
2012-11-12T03:58:02 < dongs> http://i.imgur.com/Kx3Ou.png i.e. something liek this (purple lane)
2012-11-12T03:59:35 < BrainDamage> the 1st pic has more pair-pair interference, the 2nd has more in-pair reflection ( and distortion )
2012-11-12T03:59:51 < dongs> so whats worse? :P
2012-11-12T04:00:31 < BrainDamage> if it's indeed few GHz, I'd prefer the 1st, but I only did analogue circuits at that freq
2012-11-12T04:00:52 < BrainDamage> not sure if it'll behave differently with squarewaves, hope not
2012-11-12T04:01:27 < BrainDamage> ( highest I designed was 5GHz duplexer )
2012-11-12T04:01:39 < dongs> hmm
2012-11-12T04:03:00 < dongs> assholes who made this shit swap lanes heh
2012-11-12T04:03:37 < BrainDamage> consider at 3GHz a mismatch of 2.5 cm means a total cancellation of the output
2012-11-12T04:04:42 < dongs> length?
2012-11-12T04:05:06 -!- Niedar [~nnscript@ip68-231-248-182.hr.hr.cox.net] has quit [Ping timeout: 240 seconds]
2012-11-12T04:05:29 < BrainDamage> 2.5 electrical cm, sorry, it's a weird microwave notation >_>
2012-11-12T04:06:28 < BrainDamage> but yes, I'd imagine that you'd get pretty weird effects with 2.5cm mismatch in signal lenghts
2012-11-12T04:06:35 < dongs> heh
2012-11-12T04:06:54 < BrainDamage> I hope you're ground filling all the gaps
2012-11-12T04:07:11 < BrainDamage> it'll help a lot shielding neighbour traces from near field interference
2012-11-12T04:07:43 < BrainDamage> like gnd - tracka - trackb - gnd
2012-11-12T04:07:50 < BrainDamage> coplanar waveguide
2012-11-12T04:07:56 < dongs> yes, thats the plan
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2012-11-12T04:09:38 < dongs> man... manually doing serpentine tracks = THE LOL
2012-11-12T04:09:45 < emeb_mac> big fun?
2012-11-12T04:10:59 < dongs> each one adds 5-6 mil...
2012-11-12T04:11:05 < dongs> 30 to go
2012-11-12T04:11:05 < dongs> lol
2012-11-12T04:11:42 < emeb_mac> diptrace is not altium
2012-11-12T04:12:03 < dongs> i should probably jjust do them in altium.
2012-11-12T04:12:24 < dongs> its like one click there.
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2012-11-12T04:41:13 < emeb_mac> I've seen the videos of routing in altium - looks like playing a video game.
2012-11-12T04:41:38 < dongs> teehee
2012-11-12T04:42:00 -!- zippe [~Adium@173.11.99.161] has quit [Quit: Leaving.]
2012-11-12T04:48:16 < dongs> BrainDamage: where can I calculate this gnd shit around signal lines reducing impedance?
2012-11-12T04:52:41 < dongs> http://www.marketwatch.com/story/samsung-hits-apple-with-20-price-hike-report-2012-11-11
2012-11-12T04:52:44 < dongs> lol
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2012-11-12T04:52:48 < dongs> "Apple first disapproved it, but finding no replacement supplier, it accepted the (increase.)"
2012-11-12T04:53:13 < BrainDamage> iirc saturn pcb toolkit has differential traces
2012-11-12T04:53:22 < dongs> well, I have plenty of calculators
2012-11-12T04:53:28 < dongs> but none of them show the kinda setup im trying to do
2012-11-12T04:53:35 < dongs> i.e. gnd | sig | sig | gnd
2012-11-12T04:53:47 < dongs> coplanar shit says to put gnd in between signals...
2012-11-12T04:53:50 < dongs> that isnt gonna fit either
2012-11-12T04:54:50 < BrainDamage> the actual calculation for the impedance is a royal pain in the ass
2012-11-12T04:54:56 < dongs> yea no shit
2012-11-12T04:55:05 < dongs> right now actually im more worried about the fuckign length matching
2012-11-12T04:55:14 < dongs> its a fucking pita
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2012-11-12T05:19:30 < baird> I was just out to buy a new vidya card. When he handed it over, the guy at the counter looked at me like I'd just bought a gay sex toy. :/
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2012-11-12T05:42:25 < dongs> i wonder what video card did he get...
2012-11-12T05:43:36 -!- baird [~cjb@ppp121-44-252-178.lns20.syd7.internode.on.net] has joined ##stm32
2012-11-12T05:44:45 < dongs> baird: what card did you get.
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2012-11-12T05:47:57 < baird> HD6450. But it wasn't even detected as a VESA by NetBSD. Back on the HD5450. :/
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2012-11-12T05:49:01 < Bird|lappy> baird, heh
2012-11-12T05:49:05 < Bird|lappy> not even vesa :<
2012-11-12T05:51:10 < baird> I can probably build a xfree-current, rather than using the NetBSD in-tree xfree sources.. Might get the support there.
2012-11-12T05:52:09 < dongs> haha.. poor luinix
2012-11-12T05:53:18 < baird> Ha. Linux would probably be working. This is for NutBSD.
2012-11-12T05:57:03 < dongs> at least you'll have displayport out
2012-11-12T05:57:15 < dongs> for when you decide to upgrade to dongs high rez 2048x1536 10" monitors
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2012-11-12T06:08:58 < dongs> http://i.imgur.com/Beb0g.png did a try with via swapping lanes
2012-11-12T06:09:20 < dongs> 18mil/5mil.. supposedly gives me ~100ohm impedance on 2l
2012-11-12T06:09:35 < dongs> i'd need gnd pours between them with vias going  in the bottom...
2012-11-12T06:09:39 < dongs> not much space for tHAT either.
2012-11-12T06:17:39 -!- TheSeven [~quassel@rockbox/developer/TheSeven] has quit [Disconnected by services]
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2012-11-12T06:54:08 < dongs> http://www.digikey.com/product-detail/en/ATSHA204-TSU-T/ATSHA204-TSU-TCT-ND/2827266 cute
2012-11-12T06:56:40 < emeb_mac> cute chip. amazing that it's only 3 pins.
2012-11-12T07:01:02 < dongs> "Can generate high-quality random nymbers [....] Because each 256-bit random number is guaranted to be unique from all numbers ever generated on this or any other device[....]"
2012-11-12T07:03:05 < baird> How quickly?
2012-11-12T07:06:41 < baird> Hmm, 1MHz I2C, or 230kbps one-wire, at best.
2012-11-12T07:07:39 < dongs> baird: 11ms best, 50ms worst execution time for Random()
2012-11-12T07:09:02 < baird> I just found that too. :) .. 20-100 per second.
2012-11-12T07:09:18 < dongs> good enough to protect ink cartridges.
2012-11-12T07:09:44 < emeb_mac> ink cartridges. *eyeroll*
2012-11-12T07:09:52 < dongs> thats what the datasheet says its for!
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2012-11-12T07:10:08 < dongs> secure boot for ink cartridges
2012-11-12T07:10:16 < dongs> to make sure you aren't stealing epson hard earned money
2012-11-12T07:10:21 < dongs> by using cloned refill carts
2012-11-12T07:10:33 < dongs> fuck
2012-11-12T07:10:38 < dongs> i need to get this adapter pcb made before 4pm
2012-11-12T07:12:18 < emeb_mac> dongs: yeah - I saw that in the bullet list. Just sad that folks think such things are necessary.
2012-11-12T07:12:46 < emeb_mac> pushing to get the DP adapter ready before the next panel goes out?
2012-11-12T07:13:30 < dongs> yea
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2012-11-12T08:14:20 < dongs> trollin for lols
2012-11-12T08:14:28 < dongs> k, submitting failbreakout
2012-11-12T08:14:48 < dongs> now i need to buy a displaydong cable + socket
2012-11-12T08:15:09 < dongs> and maybe a video cardr
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2012-11-12T08:21:48 < emeb_mac> troll-lol-lol
2012-11-12T08:22:18 < emeb_mac> when you getting the boards back?
2012-11-12T08:33:20 < dongs> http://www.indiegogo.com/hackert0wn
2012-11-12T08:33:26 < dongs> wednesday or something.
2012-11-12T08:33:34 < dongs> dp cable will take longer.
2012-11-12T08:37:23 < emeb_mac> heh usb3->dp adapter.
2012-11-12T08:37:23 < dongs> jesus
2012-11-12T08:37:25 < dongs> fucking piece of shit
2012-11-12T08:37:35 < dongs> http://www.digikey.com/product-detail/en/68783-0007/WM19272-ND/1658342
2012-11-12T08:37:40 < dongs> displayport cagle is like 20 bucsk
2012-11-12T08:38:01 < emeb_mac> welcome to the bleeding edge
2012-11-12T08:38:48 < emeb_mac> http://www.ebay.com/itm/New-1-5M-5Ft-Display-Port-DP-Male-to-Male-Cable-for-HDTV-DVD-PC-Black-/190654081582?pt=US_Video_Cables_Adapters&hash=item2c63de6a2e
2012-11-12T08:38:58 < dongs> rite
2012-11-12T08:39:05 < dongs> but im making a digikey order, shrug
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2012-11-12T09:05:30 < dongs> dongs
2012-11-12T09:05:41 < dongs> where chats
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2012-11-12T09:08:06 < emeb_mac> no chats for you
2012-11-12T09:08:54 < dongs> upgrading miranda.. I wonder how much they broke
2012-11-12T09:09:08 < emeb_mac> baroo?
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2012-11-12T09:10:22 < emeb_mac> DK out of stock on tiny 8MHz xtals: http://www.digikey.com/product-detail/en/7A-8.000MAAJ-T/887-1448-1-ND/2627016
2012-11-12T09:10:41 < dongs> unsurprising.
2012-11-12T09:10:47 < emeb_mac> oh?
2012-11-12T09:10:49 < dongs> did you hear about my luck with china supply?
2012-11-12T09:10:54 < emeb_mac> no
2012-11-12T09:10:59 < dongs> i asked for generic 3.2x1.3mm 8mhz oscillator
2012-11-12T09:11:03 < dongs> expected surely chink trash stuff
2012-11-12T09:11:10 < dongs> instead got murata ceralock(tm)
2012-11-12T09:11:15 < dongs> the shit ST recomends in their datasheet
2012-11-12T09:11:22 < dongs> at a fraction of the price at digikey as well
2012-11-12T09:11:31 < dongs> er oscillator=resonator
2012-11-12T09:12:26 < emeb_mac> smokin' deal?
2012-11-12T09:12:30 < dongs> seems so
2012-11-12T09:13:08 < emeb_mac> those resonators good enough for USB?
2012-11-12T09:13:30 < dongs> na
2012-11-12T09:13:44 < dongs> but they're pretty good for resonators
2012-11-12T09:13:47 < dongs> +-0,5 or someshit
2012-11-12T09:13:56 < emeb_mac> almost good enough
2012-11-12T09:16:04 < emeb_mac> usb needs 500ppm = 0.05%
2012-11-12T09:16:51 < emeb_mac> time for zzz
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2012-11-12T09:35:50 < cdh> emeb_mac: How about this 8MHz part?  http://www.digikey.com/product-detail/en/ABM3-8.000MHZ-D2Y-T/535-10630-1-ND/2344632  ESR is a lot higher, but otherwise looks like a good replacement for the TXC.
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2012-11-12T11:02:41 < dongs> fucking bored
2012-11-12T11:08:46 < zyp> any news? I haven't been keeping up with irc this past weekend
2012-11-12T11:09:39 < dongs> nope
2012-11-12T11:09:44 < dongs> blogging on blogs mostly
2012-11-12T11:09:54 < dongs> got displayporn adapter done and submitted.
2012-11-12T11:10:02 < dongs> got backlight on lcd to turn on.
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2012-11-12T11:40:27 < Claude_work> dongs , url ? thats the eDP (iCrap) to DP adpter?
2012-11-12T11:41:10 < dongs> which url?
2012-11-12T11:41:15 < Claude_work> ah nm , thought you blogged about the adpater ^^
2012-11-12T11:41:19 < dongs> yes
2012-11-12T11:41:22 < Claude_work> adapter even
2012-11-12T11:41:24 < dongs> i made one, gonna see if it works
2012-11-12T11:41:38 < Claude_work> cool , how much are these ipad displays?
2012-11-12T11:41:43 < dongs> like 60 bucks or something
2012-11-12T11:41:46 < dongs> pretty cheap
2012-11-12T11:42:08 < Claude_work> yeah okay for such a high res but small display
2012-11-12T11:48:29 < dongs> how did  you come up wiht 10/6 for lanes anyway?
2012-11-12T11:48:36 < dongs> my analol'g pal calculted and said it had to be 18/5
2012-11-12T11:49:31 < dongs> anyway, I did it in 18/5 w/ground islands between lanes (but not between differential pairs),, supposedly that should give me ~100ohm differential
2012-11-12T11:53:25 < Claude_work> i have a stripline calc here , maybe i had some values wrong ..
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2012-11-12T11:54:15 < Claude_work> oha! did your analog guy calculated the differential impendance or the single ended ?
2012-11-12T11:54:47 < Claude_work> you have to maintain 100Z between the pair , not on the pair to gnd
2012-11-12T11:55:38 < Claude_work> anyway , differential signaling is quite robust . even with unbalanced pairs it 'works'
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2012-11-12T11:58:50 < dongs> hopefully.
2012-11-12T11:58:55 < dongs> anyway this is just a 2l proto for proof of concept
2012-11-12T11:59:02 < dongs> if I bring in hdmi>dp chips i'll do this on proper 4l board anyway
2012-11-12T11:59:12 < dongs> where i dont have to make giant thick traces
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2012-11-12T12:31:02 < Laurenceb> whats the lvds board for?
2012-11-12T12:31:32 <+Steffanx> magic
2012-11-12T12:31:36 <+Steffanx> trollinh
2012-11-12T12:31:58 < Laurenceb> "The Thrustmaster Ferrari GT Wireless wheel and pedals"
2012-11-12T12:32:02 < Laurenceb> faptastic
2012-11-12T12:36:59 < zyp> I ran some numbers on the impedance
2012-11-12T12:37:27 < zyp> 18/5 seems to give around 128 ohm or so, 10/6 would give way more
2012-11-12T12:38:55 < zyp> I get around 151 ohm for 10/6
2012-11-12T12:39:46 < Claude_work> differential Z ?
2012-11-12T12:39:59 < dongs> http://www.wikispeed.com/Affordable if I paypal these guys $25 right nowdo you think they will deliver it to me before 2015?
2012-11-12T12:40:17 < zyp> Claude_work, yes
2012-11-12T12:40:19 < dongs> er ,$25k
2012-11-12T12:40:35 < Claude_work> really don't know how i came to 10/6/10 anymore .. maybe i had 'h' to the gnd plane wrong
2012-11-12T12:40:49 < dongs> you likely did, if it was calculating it for 4l board
2012-11-12T12:40:58 < Claude_work> yeah probably
2012-11-12T12:41:17 < zyp> number of layers doesn't matter, distance from trace to plane layer does
2012-11-12T12:41:27 < dongs> yes
2012-11-12T12:41:35 < dongs> but in 4l the inner gnd layer is usually quite closer
2012-11-12T12:41:45 < zyp> yeah
2012-11-12T12:41:48 < Claude_work> yes .. pair to gnd is smaller on usual 4l boards
2012-11-12T12:44:16 < dongs> oh well
2012-11-12T12:44:29 < dongs> im sure the design is fail as far as noise goes
2012-11-12T12:44:37 < Claude_work> :)
2012-11-12T12:44:44 < dongs> i just wanna see if it works or not
2012-11-12T12:45:04 < Claude_work> does eDP also need these ac coupling caps like pcie?
2012-11-12T12:45:05 < dongs> i did end up doing single via to turn the lane around
2012-11-12T12:45:22 < dongs> lol, it p robably does. i saw them on DP lanes on the video card
2012-11-12T12:45:32 < dongs> fuck.
2012-11-12T12:46:17 < dongs> if they're on the card do i still ened them on monitor?
2012-11-12T12:47:45 < Claude_work> hmm when eDP and pcie are similar in terms of electrical specs then don't worry about the signal integrity. someone on an other channel had an GPU bitcoin miner running with pcie graphics cards hanging off 0.1" idc cables from the pcie slot and it worked :)
2012-11-12T12:48:43 < karlp> was that to get more "slots"?
2012-11-12T12:48:57 < Claude_work> yeah multiple cards on one pcie16
2012-11-12T12:49:00 < karlp> heh
2012-11-12T12:49:14 < Claude_work> really ghetto style but it worked
2012-11-12T12:50:03 < zyp> ha, nice
2012-11-12T12:51:55 < dongs> yeah, dp is supposed to be similar to pcie/etc. uses same signalling/bla
2012-11-12T12:51:56 < dongs> ok
2012-11-12T12:51:59 < dongs>  good, lets hope the shit works then
2012-11-12T12:53:10 < dongs> http://i.imgur.com/4CcCq.png this is what i ended up with. if it doesnt work, nothing lost, i'll start over with some other way
2012-11-12T12:54:52 <+Steffanx> The standard chinese crap vga-dp have a pcb that look worse, so how something like that doesn't work, dongs?
2012-11-12T12:55:01 <+Steffanx> *looks
2012-11-12T12:55:09 < dongs> pics?
2012-11-12T12:55:58 < dongs> thing is,, all those passive ones are using DP+
2012-11-12T12:56:07 < dongs> which allows HDMI + analolg signals over same wires
2012-11-12T12:56:12 < dongs> not actual DP signalling
2012-11-12T12:56:17 <+Steffanx> oh, could be
2012-11-12T12:56:24 < dongs> so they probably don't care about differential pairs etc there
2012-11-12T12:56:32 <+Steffanx> Top: http://www.naffets.nl/share/VGA-20110711-132006.jpg .. don't have a pic of the bottom
2012-11-12T12:56:46 <+Steffanx> Not near my desk atm :)
2012-11-12T12:57:12 <+Steffanx> That cable/glue is awesom
2012-11-12T12:57:18 < dongs> wow, its an actual active device?
2012-11-12T12:57:18 < dongs> hmm
2012-11-12T12:57:21 < dongs> how muich was that?
2012-11-12T12:57:23 < Laurenceb> dongs: whats that for?
2012-11-12T12:57:32 <+Steffanx> It was, dongs .. it's dead now
2012-11-12T12:57:43 <+Steffanx> 13$ from dealextreme iirc
2012-11-12T12:57:46 < dongs> Laurenceb: displayport adapter for jewpad lcd.
2012-11-12T12:57:53 < Laurenceb> nice
2012-11-12T12:57:59 < dongs> if I had to guess, thats lane0 and aux channel
2012-11-12T12:58:07 < dongs> one lane is enough for vga resolutions
2012-11-12T12:58:10 < Laurenceb> displayport is compatible with HDMI ?
2012-11-12T12:58:18 < dongs> no
2012-11-12T12:58:34 <+Steffanx> http://www.naffets.nl/share/mDP_hmdi-kabel-20110711-130947.jpg Laurenceb :)
2012-11-12T12:58:35 < dongs> native displayport signalling is not  compatible wiht anythign
2012-11-12T12:58:41 <+Steffanx> needs a converter, chip is on the other side
2012-11-12T12:59:04 < dongs> but they have a mode where you can send HDMI over DP
2012-11-12T12:59:09 < Laurenceb> oh
2012-11-12T12:59:12 < dongs> which is what most GPUs/passive adapters support
2012-11-12T12:59:18 < Laurenceb> and the lcd supports it?
2012-11-12T12:59:24 < dongs> well, lcd supports DP
2012-11-12T12:59:34 < Laurenceb> hmm...
2012-11-12T12:59:40 < dongs> so I just need a plug adapter for the bullshit fpc connector.
2012-11-12T13:00:11 < dongs> and then it should just come up as a regular monitor when plugged in.
2012-11-12T13:01:09 < Claude_work> dongs regarding the caps , looks like you can patch some in (0402?) when cutting the lanes. *if* they are really needed
2012-11-12T13:01:38 < dongs> Claude_work: ac caps just go across the lane right?
2012-11-12T13:01:52 < Claude_work> yes like on pcie
2012-11-12T13:02:05 < dongs> lets have a look at dp standard
2012-11-12T13:02:28 < dongs> All Sink Devices must have AC-coupling capacitors, whether they implement DisplayPort Source Detection
2012-11-12T13:02:32 < dongs> or not.
2012-11-12T13:02:34 < dongs> fuck
2012-11-12T13:02:50 < Claude_work> maybe these caps are allready in the panel ?
2012-11-12T13:02:59 < dongs> unsure
2012-11-12T13:03:08 < Claude_work> multimeter?
2012-11-12T13:03:12 < dongs> and?
2012-11-12T13:03:20 < Claude_work> meassure resistance
2012-11-12T13:03:27 < dongs> from wehre to where?
2012-11-12T13:03:36 < Claude_work> DP_N to DN_P
2012-11-12T13:03:42 < dongs> lemme see
2012-11-12T13:04:57 < dongs> like 2M?
2012-11-12T13:05:54 < Laurenceb> use an lcr?
2012-11-12T13:08:47 < dongs> so? what does 2 meg mean
2012-11-12T13:09:51 < dongs> hmm
2012-11-12T13:09:56 < dongs> open on display lanes
2012-11-12T13:10:01 < dongs> 1M on aux lane
2012-11-12T13:10:10 < dongs> erm 2m
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2012-11-12T13:10:51 < zyp> I'd be surprised if the caps are not present in the display controller
2012-11-12T13:11:03 < dongs> so maybe no problem?
2012-11-12T13:11:09 < zyp> probably not
2012-11-12T13:11:17 < dongs> i should ask chinks to give me a broken one
2012-11-12T13:11:22 < dongs> so i can tear it down and see
2012-11-12T13:12:01 < Laurenceb> maybe its been done
2012-11-12T13:12:10 < dongs> go ahead and google it
2012-11-12T13:14:09 < Laurenceb> hmm no luck
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2012-11-12T13:19:10 < dongs> hmm
2012-11-12T13:19:16 < dongs> chink said he;ll look around for something broken
2012-11-12T13:23:42 < dongs> The electrical sub-block of a DisplayPort Main Link consists of up to four differential pairs. The DisplayPort
2012-11-12T13:23:45 < dongs> Transmitter drives doubly-terminated, AC-coupled differential pairs as shown in Figure 3-12 in a manner
2012-11-12T13:23:48 < dongs> compliant with the Main Link Transmitter electrical specification.
2012-11-12T13:24:12 < dongs> no ac caps on sink connector
2012-11-12T13:24:17 < dongs> so i might be safe anyway
2012-11-12T13:24:24 < dongs> i.e. they're only on the transmitter end
2012-11-12T13:24:56 < dongs> http://i.imgur.com/h6y0w.png
2012-11-12T13:26:17 < Laurenceb> yeah looks like you are ok
2012-11-12T13:27:23 < dongs> the CF milling guy wasnt too excited about milling a case for this shit, i think he needs to see the actual pixels to understand how fucking awesome it is.
2012-11-12T13:27:35 < Laurenceb> CF?
2012-11-12T13:27:45 < dongs> carbon fiber, lol
2012-11-12T13:27:50 < Laurenceb> wut
2012-11-12T13:28:02 < Laurenceb> huge slab of it or something?
2012-11-12T13:28:06 < dongs> yea
2012-11-12T13:28:10 < Laurenceb> lol
2012-11-12T13:28:32 < dongs> he works at some composites/cf factory so he has any material. failing that, i was gonna have him do it out of aluminum.
2012-11-12T13:28:43 < Laurenceb> sexy
2012-11-12T13:31:01 < Laurenceb> http://www.screaminspace.com/
2012-11-12T13:31:05 < Laurenceb> facepalm
2012-11-12T13:31:41 < dongs> loool
2012-11-12T13:31:51 < dongs> do tehy have a kickstarter for this
2012-11-12T13:31:57 < dongs> also: android phone
2012-11-12T13:32:31 < Laurenceb> better
2012-11-12T13:32:36 < Laurenceb> EADS are sponsoring them
2012-11-12T13:32:49 < dongs> fgts
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2012-11-12T13:59:58 < Laurenceb> http://hackaday.com/2012/11/12/linux-on-a-nspire-cas-cx-calculator/
2012-11-12T14:17:47 < dongs> any win8 users with stlink?
2012-11-12T14:18:46 < dongs> on 64bit os
2012-11-12T14:20:42 < zyp> is it broken?
2012-11-12T14:22:19 < dongs> unsure
2012-11-12T14:22:21 < dongs> pal is bitching
2012-11-12T14:22:27 < dongs> driver fails  to install due to unsign
2012-11-12T14:22:29 < dongs> but they're using winusb
2012-11-12T14:22:34 < dongs> which is already pre-signed etc
2012-11-12T14:22:40 < dongs> shouldn't even need any driver beyond a simple inf
2012-11-12T14:22:51 < zyp> had no problem with win7 64bit at least
2012-11-12T14:22:55 < dongs> me neither
2012-11-12T14:23:00 < dongs> win8 is the question here.
2012-11-12T14:23:11 < dongs> i already nuked it off my VM otherwise i'd try
2012-11-12T14:26:04 < dongs> so apparently st has a inf withotu cat
2012-11-12T14:26:09 < dongs> so it will fail on win8 unconditionally
2012-11-12T14:26:14 < dongs> fucking retards
2012-11-12T14:26:19 < dongs> i wonder where I could bitch about this.
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2012-11-12T14:30:51 < dongs> commence chats
2012-11-12T14:30:56 < dongs> tech2077: any more afro mods to your shitberry pi
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2012-11-12T15:07:55 < Laurenceb> http://www.afrotechmods.com/
2012-11-12T15:08:05 < Laurenceb> dongs must have made that
2012-11-12T15:09:59 < dongs> old as shit man
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2012-11-12T15:10:59 < Laurenceb> http://www.afrotechmods.com/keyboard.htm
2012-11-12T15:11:04 < dongs> http://afrotechmods.com/stupid/scanner/scanner.htm
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2012-11-12T15:12:12 < Laurenceb> http://www.afrotechmods.com/Paint5.jpg
2012-11-12T15:12:24 < dongs> water cooling????
2012-11-12T15:12:29 < Laurenceb> yes
2012-11-12T15:12:36 < dongs> hilarious metal bucket
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2012-11-12T15:16:25 < Laurenceb> http://www.afrotechmods.com/groovy/open_source_hardware/open_source_hardware.htm
2012-11-12T15:16:27 < Laurenceb> lol
2012-11-12T15:18:40 < dongs> o shitttt
2012-11-12T15:18:43 < dongs> that must be new
2012-11-12T15:19:25 < zyp> afrotech? is that related to you, dongs? :p
2012-11-12T15:19:35 < dongs> Arduino - This popular hardware platform is NOT open source!! The processor is based on closed source microcontroller made by Atmel. Answer me this: How many NAND gates are in an Arduino? Hm? HMMM? You don't know. And if you don't know what is inside your hardware, it could be used to spy on your family and take away your civil rights. So which is it going to be you neo-hitler loving freedom hating piece of shit? Open source microcontrollers or ones
2012-11-12T15:19:43 < dongs> aahahaha
2012-11-12T15:23:40 < dongs> < dada> dongs: don't look now, but there's a huge NAND gate behind you!
2012-11-12T15:23:41 < dongs> haha
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2012-11-12T15:25:13 < Laurenceb> http://www.youtube.com/watch?v=EoWMF3VkI6U&feature=player_embedded#t=319s
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2012-11-12T15:25:51 < dongs> ya
2012-11-12T15:28:05 -!- BjoernC [~BjoernC@b071.apm.etc.tu-bs.de] has joined ##stm32
2012-11-12T15:38:28 < Laurenceb> http://www.theregister.co.uk/2012/11/12/goatse_email_addresses_now_open/
2012-11-12T15:38:38 < dongs> old
2012-11-12T15:38:43 < dongs> saw this > 24 hours ago
2012-11-12T15:38:50 < dongs> I used  to know the guy who owned the original
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2012-11-12T15:39:22 < Laurenceb> it was probably you
2012-11-12T15:39:30 < dongs> i would have never sold that shit for only 10k
2012-11-12T15:41:56 < dongs> holy fuck
2012-11-12T15:42:01 -!- BjoernC [~BjoernC@b071.apm.etc.tu-bs.de] has joined ##stm32
2012-11-12T15:42:11 < dongs> http://www.ebay.com/itm/160682660742 [ buy it now ]
2012-11-12T15:42:17 -!- daku is now known as DaKu
2012-11-12T15:42:28 < Laurenceb> wow
2012-11-12T15:42:45 < dongs> they ship to japan
2012-11-12T15:42:47 < dongs> tempting.
2012-11-12T15:42:50 < dongs> what would I do with them?
2012-11-12T15:43:19 < Laurenceb> stick them up your but
2012-11-12T15:43:33 < dongs> http://www.ebay.com/itm/150699241350 haha
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2012-11-12T15:51:26 < dongs> Laurenceb: what happens if you send a charged supercap 40km up in the space
2012-11-12T15:51:30 < dongs> then discharge it at the top
2012-11-12T15:51:34 < dongs> will it be more or less spark???
2012-11-12T15:52:04 < Laurenceb> more
2012-11-12T15:52:11 < dongs> RLY
2012-11-12T15:52:26 < dongs> have you VERIFIED THIS
2012-11-12T15:52:30 < dongs> with VIDEO from ANDROID PHONE
2012-11-12T15:52:38 < Laurenceb> lool
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2012-11-12T15:53:45 < Laurenceb> http://media-cache-ec6.pinterest.com/upload/110056784614203869_F9CREyc1_c.jpg
2012-11-12T15:53:53 < Laurenceb> its the dreamlover2000 prototype
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2012-11-12T15:56:11 < Laurenceb> something for hackitten
2012-11-12T15:56:12 < Laurenceb> http://www.youtube.com/watch?feature=player_embedded&v=W1pj8bXlzaw
2012-11-12T15:57:18 < Laurenceb> lol @ comments
2012-11-12T16:00:22 < dongs> https://youtube.com/watch?v=AJN1qiO6kQs totally a dude
2012-11-12T16:00:26 < dongs> (related vids)
2012-11-12T16:01:06 < dongs> oh it is a dude
2012-11-12T16:01:06 < dongs> lawl
2012-11-12T16:01:08 < Laurenceb> im going to vom
2012-11-12T16:01:10 < dongs> turned up the sound
2012-11-12T16:02:35 < zyp> I have no idea what you are watching, but no way I am going to open those urls at work :p
2012-11-12T16:02:41 < dongs> ha ha ha
2012-11-12T16:03:18 < Laurenceb> zyp: its a trap
2012-11-12T16:04:01 < dongs> k time to hookup logic analyzer to this card shit
2012-11-12T16:04:03 < dongs> and see whats going on
2012-11-12T16:04:17 < Laurenceb> datalogger?
2012-11-12T16:04:51 < dongs> nah need to panel stencils for it. on queue whlie other higher priority shit gets done
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2012-11-12T16:23:08 < dongs> hmm the clock looks like trash
2012-11-12T16:23:12 < dongs> in 8mhz m ode
2012-11-12T16:23:13 < dongs> what the fuck
2012-11-12T16:26:37 < Laurenceb> http://www.youtube.com/watch?feature=player_embedded&v=9yHl24QynOM
2012-11-12T16:30:39 < zyp> dongs, are you sampling it fast enough with logic analyzer?
2012-11-12T16:31:37 < dongs> right, that was the problem. went to 50mhz and it looks ok
2012-11-12T16:31:46 < dongs> data still looks fucked
2012-11-12T16:31:57 < zyp> when I was doing I2S, I thought master clock were looking weird, until I realized it was >12MHz and I was sampling at around that rate :p
2012-11-12T16:38:10 < dongs> hm
2012-11-12T16:38:19 < dongs> i still need to figure out why I need to disable rx irq before doing tx
2012-11-12T16:38:23 < dongs> otherwise rx also hits
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2012-11-12T16:42:10 < baird> Laurenceb: I want one.
2012-11-12T16:42:57 < dongs> now i get weird x bytes of crap in rx
2012-11-12T16:43:01 < dongs> before real data comes in
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2012-11-12T17:00:40 < dongs> hmm.. its appending some weird garbage from previous shit i sent
2012-11-12T17:00:41 < dongs> what hte hell
2012-11-12T17:00:52 < dongs> anyway at least i get data both ways. will figure out this weird cached shit later.
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2012-11-12T17:32:50 <+Steffanx> nu
2012-11-12T17:40:06 < dongs>     /* Flush the SC_USART DR */
2012-11-12T17:40:07 < dongs>     (void)USART_ReceiveData(USART6);
2012-11-12T17:40:08 < dongs> oops
2012-11-12T17:40:13 < dongs> apparently that WAS needed after transmit
2012-11-12T17:40:48 < dongs> smartcard mode only quirk?
2012-11-12T17:41:03 < dongs> no mention in ref manual of cours.e
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2012-11-12T18:52:33 <+Steffanx> I don't read bullshit flyback :)
2012-11-12T18:54:41 < Laurenceb> http://colinkarpfinger.com/blog/wp-content/uploads/2010/05/IMG_1290-Custom.jpg
2012-11-12T19:00:47 < karlp> is that a usb gamepad connected?
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2012-11-12T19:25:16 < emeb> lol, everything gets compared to rpi now.
2012-11-12T19:25:30 < emeb> rpi is the new "six inches"
2012-11-12T19:36:24 <+Steffanx> I'm going to compare everything with a pii-300mhz
2012-11-12T19:36:42 -!- baird [~cjb@ppp121-44-252-178.lns20.syd7.internode.on.net] has quit [Quit: Konversation terminated!]
2012-11-12T19:42:27 <+dekar> Steffanx, how much is a pii-300mhz?
2012-11-12T19:42:33 <+dekar> and how many rpi is it?
2012-11-12T19:43:51 < emeb> depends on if it's an overclocked rpi I guess.
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2012-11-12T19:46:56 <+dekar> stock one ofc, and stock pii-300mhz
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2012-11-12T19:54:35 < jpa-> and whether the PII-300MHz is running linux 2.2 or 3.7
2012-11-12T19:56:39 <+Steffanx> lunix?
2012-11-12T19:56:40 <+Steffanx> DOS
2012-11-12T19:57:00 <+Steffanx> or win95
2012-11-12T20:03:19 < baird> omg. someone who hasn't yet heard of the Ardunio?
2012-11-12T20:05:21 < emeb> who?
2012-11-12T20:06:17 -!- Niedar [~nnscript@ip68-231-248-182.hr.hr.cox.net] has joined ##stm32
2012-11-12T20:10:35 < baird> referring to the venturebeat link
2012-11-12T20:11:01 < emeb> it does have the aura of "breathless n00b"
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2012-11-12T20:33:07 < upgrdman_> any idea when the r pi's are supposed to be in enough supply that a back order isn't required?
2012-11-12T20:33:18 < upgrdman_> are they still is massive over-demand?
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2012-11-12T20:37:21 < emeb> when the hipsters finally move on to the next big thing.
2012-11-12T20:37:41 < emeb> artisanal sriracha
2012-11-12T20:44:59 -!- jon1012 [~jon@foresight/developer/jon1012] has quit [Ping timeout: 252 seconds]
2012-11-12T20:45:02 < zyp> heh, $13
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2012-11-12T20:45:14 < zyp> they should have done an article when it was $5
2012-11-12T20:46:09 < emeb> I guess I actually ordered one of those. Haven't gotten it yet...
2012-11-12T20:46:51 < zyp> I think mine is set to be shipped this week
2012-11-12T20:47:38 < zyp> hmm, friday
2012-11-12T20:47:52 < zyp> might have it some time next week then
2012-11-12T20:51:44 < emeb> mine is listed to ship on Fri, so sometime next week probably.
2012-11-12T20:52:45 < emeb> zyp: you want a bare board of the bmp2 from OSHpark?
2012-11-12T20:53:48 -!- phantone [~destroy@a95-92-89-24.cpe.netcabo.pt] has quit []
2012-11-12T20:55:06 < zyp> hmm, I figure that if I'm building one, I might as well build several
2012-11-12T20:55:27 < emeb> yeah - I'm going to build at least 2
2012-11-12T20:56:47 < emeb> I could send you the zipfile w/ gerbers & you order your own
2012-11-12T20:57:38 < emeb> or you could wait until I build & shake out the bugs. :)
2012-11-12T20:57:48 < zyp> I was sort of planning on that ;)
2012-11-12T20:57:53 < emeb> well then.
2012-11-12T20:58:23 < emeb> I'll get that ball rolling. Start the fab & order the parts.
2012-11-12T20:59:16 < zyp> or you can get enough parts and boards for me too and ship it all together
2012-11-12T20:59:39 < zyp> if you care to do that
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2012-11-12T21:02:10 < emeb> For parts I'm just ordering the unique stuff I don't already have - mcu, connectors, xtal, etc.
2012-11-12T21:02:34 < zyp> but it's not important, I might just put it off until I'm done with the lpc4300 board and put it on the same order
2012-11-12T21:02:43 < emeb> probably easier.
2012-11-12T21:03:35 < zyp> was thinking about panelizing both on same stencil too
2012-11-12T21:04:04 < emeb> why not? stencils are huge compared to most of these boards.
2012-11-12T21:04:20 < zyp> yeah
2012-11-12T21:05:17 < emeb> boards ordered - $12.75 for 3
2012-11-12T21:05:19 < zyp> well, such a small board doesn't really warrant paying for a full stencil alone
2012-11-12T21:06:39 < zyp> so the alternative would be doing it by hand
2012-11-12T21:06:39 < emeb> I'll put together a build pkg - schematic/bom/gerbers - at some point in the near future.
2012-11-12T21:07:46 < emeb> Oh - you'll want the solder stencil layer too. I think I need to do a few extra clicks when dumping gerbers to get that.
2012-11-12T21:07:58 < zyp> no hurry, I'm not going to finish up the lpc4300 stuff anytime soon
2012-11-12T21:12:52 < emeb> ok. it'll be a bit before I can assemble them anyway - the xtals are out of stock for a few weeks.
2012-11-12T21:13:02 < emeb> unless I use the ones someone mentioned earlier today
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2012-11-12T21:28:53 < TitanMKD> hi
2012-11-12T21:30:39 < jpa-> hello
2012-11-12T21:46:50 <+Steffanx> Salute!
2012-11-12T21:47:46 < emeb> こんにちは
2012-11-12T21:48:28 <+Steffanx> oui oui
2012-11-12T21:53:53 <+dekar> hallo
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2012-11-12T21:55:13 < baird> haaaaaaaaay brooooooo
2012-11-12T21:55:55 < Laurenceb__> sup my homies
2012-11-12T21:56:33 < baird> lol McAfee: http://www.dailymail.co.uk/news/article-2231953/John-McAfee-Millionaire-McAfee-software-giant-run-gunning-American-builder-Belize.html
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2012-11-12T22:01:28 < Erlkoenig> could it be possible that the ST Periph USB OTG lib rounds the buffer size passed to DCD_EP_PrepareRx up to multiples of USBD_EPx_MAX_PACKET_SIZE, thereby overwrites memory that comes after the buffer?
2012-11-12T22:03:04 < zyp> did you try reading the documentation?
2012-11-12T22:04:32 < Erlkoenig> no, i generally avoid that. even if i did, the doc doesn't lose more words than "To transmit data, the DCD_EP_Tx () function is called and to receive data DCD_EP_PrepareRx() is called, an with unlimited data length."
2012-11-12T22:04:52 < zyp> right
2012-11-12T22:05:00 < zyp> did you try reading the code?
2012-11-12T22:05:23 < Erlkoenig> i am, and it appears that it rounds up to multiples of USBD_EPx_MAX_PACKET_SIZE, but i am not sure, so i asked
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2012-11-12T22:57:08 < Tzacks> emeb are you alive pls?
2012-11-12T23:04:59 < Tectu> can someone help me with this simple pointer problem?   http://codepad.org/UyadvsTc
2012-11-12T23:06:31 < Erlkoenig> an error in an empty line?
2012-11-12T23:07:00 < Tectu> Erlkoenig, error at line 20, not 19 -.-
2012-11-12T23:08:13 < Erlkoenig> very funny. can't spot any error
2012-11-12T23:08:29 < Tectu> the problem is that I don't get the right value back  :D
2012-11-12T23:08:57 < TitanMKD> Tectu check the lcdReg
2012-11-12T23:09:16 < Tectu> TitanMKD, what do you mean
2012-11-12T23:09:30 < TitanMKD> what's the prototype of lld_lcdWriteReg() ?
2012-11-12T23:09:43 < TitanMKD> if it requires a pointer to reg addr it's why you have an error
2012-11-12T23:10:01 < TitanMKD> as you give it a simple 16bits value
2012-11-12T23:10:26 < Tectu> TitanMKD, the WriteReg function is not the problem
2012-11-12T23:10:33 < Tectu> when I replace the foo() with   GDISP_RAM, everything works
2012-11-12T23:10:37 < TitanMKD> maybe it should be uint16_t* lcdReg
2012-11-12T23:10:48 < TitanMKD> as prototype for lld_lcdReadReg(
2012-11-12T23:11:25 < emeb> Tzacks: I'm here
2012-11-12T23:12:29 < TitanMKD> Tectu it's just impossible to answer if we do not know the prototype of lld_lcdWriteReg()
2012-11-12T23:12:56 < Tectu> it's   void lld_lcdWriteReg(uint16_t lcdReg);
2012-11-12T23:13:02 < TitanMKD> as Line 19 is between lld_lcdWriteReg(lcdReg); and return (foo());
2012-11-12T23:13:35 < TitanMKD> ok i see ;)
2012-11-12T23:13:37 < TitanMKD> write
2012-11-12T23:13:46 < TitanMKD> return (*GDISP_RAM);
2012-11-12T23:14:04 < TitanMKD> it will return a 16bits
2012-11-12T23:20:36 < Tectu> TitanMKD, that dosen't work
2012-11-12T23:22:46 < TitanMKD> hmm yes you already do it in define
2012-11-12T23:22:51 < Tectu> yes
2012-11-12T23:23:33 < TitanMKD> maybe 0x60100000ul will be better too
2012-11-12T23:23:44 < TitanMKD> but anywa on ARM default is 32bits so it is not required
2012-11-12T23:23:50 < Tectu> yeah
2012-11-12T23:23:53 < Tectu> not related to this issue
2012-11-12T23:24:20 < Tectu> basically:    uint16_t bar = GDISP_RAM;    <---- works    but this dosent:  uint16_t foo(void) { return GDISP_RAM; };     uint16_t bar = foo();
2012-11-12T23:24:51 < TitanMKD> anyway it's not standard to return a define ;)
2012-11-12T23:25:02 < Tectu> I don't return any define
2012-11-12T23:25:04 < TitanMKD> as the define/macro is intended to be read or write
2012-11-12T23:25:09 < Tectu> the compiler dosen't see the define at all
2012-11-12T23:25:19 < Tectu> the compiler dosen't care at all
2012-11-12T23:25:43 < TitanMKD> anyway use  uint16_t bar = GDISP_RAM
2012-11-12T23:25:45 < TitanMKD> and return bar
2012-11-12T23:25:52 < TitanMKD> it will be the exact same asm code
2012-11-12T23:25:59 < Tectu> let's see
2012-11-12T23:26:35 < Tectu> TitanMKD, same warnings and same issue
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--- Day changed Tue Nov 13 2012
2012-11-13T00:16:32 -!- Steffanx [~Steffanx@unaffiliated/steffanx] has quit [Read error: Operation timed out]
2012-11-13T00:34:21 < baird> The Raspberry Pi-- brought to you by this awesome guy! :D .. http://www.vanityfair.com/politics/features/2008/11/nicholas200811 ..
2012-11-13T00:40:11 < karlp> is there anyone in the world you like/respect mr baird?
2012-11-13T00:40:23 < emeb> bill gates
2012-11-13T00:40:53 < Laurenceb_> he sounds pretty awesome to me
2012-11-13T00:42:46 < emeb> Nicholas? Quite an operator.
2012-11-13T00:43:22 < Laurenceb_> Judge Cormac J. Carney threw out the stock fraud and options backdating charges in December 2009.[54] The drug charges were also dropped in January 2010.[55] The Judge, in dismissing the charges, accused the prosecution of a “shameful” campaign of witness intimidation aimed at securing unjustified convictions.
2012-11-13T00:43:56 < Laurenceb_> but raspberry pi still sucks donkey balls
2012-11-13T00:44:03 < Laurenceb_> i added the last bit
2012-11-13T00:48:58 < baird> I want the underground hideout..
2012-11-13T00:50:51 < Laurenceb_> pmsl
2012-11-13T00:51:09 < Laurenceb_> london hackspace is just down the road from the aspergers society
2012-11-13T00:54:34 < baird> http://ladyboyjesus.com/wordpress/wp-content/uploads/fritzel.jpg
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2012-11-13T01:42:11 <+dekar> Laurenceb, what's wrong with the raspi?
2012-11-13T01:44:56 < baird> Their User Groups need the universal condition, "Are you over 30 and learning how to solder? Join an Amateur Radio Club instead."
2012-11-13T01:46:20 < Erlkoenig> what, the poor newbies
2012-11-13T01:53:35 < baird> That OzBerry meet-up I went to-- I was like the 3rd-youngest guy there... I
2012-11-13T01:53:38 < baird> That OzBerry meet-up I went to-- I was like the 3rd-youngest guy there... I'm 42... :/
2012-11-13T01:54:35 < Erlkoenig> ha... and the oldies probably just brag about how good it was in the "good old days" and call you a pussy if you dare to use a digital IC
2012-11-13T01:55:47 < baird> Hell No. I gained a reputation of being the cyncial old fart of the group. There was one other person there who had been 'around' long enough to have used a Commodore 64.
2012-11-13T01:58:15 < Erlkoenig> hmm
2012-11-13T01:58:48 < Erlkoenig> i once asked something in the hamradio channel which is definitely possible and can't be complicated. they told me to use wires. whatever...
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2012-11-13T02:03:49 < dongs> hello internet
2012-11-13T02:04:01 < Erlkoenig> hello little boy in your mom's basement
2012-11-13T02:04:15 < dongs> http://i.imgur.com/hmjQn.jpg whats going on here
2012-11-13T02:04:22 < l4cr0ss_> wts i try talking for once and start getting dq'd
2012-11-13T02:04:31 < dongs> maybe baird knows
2012-11-13T02:05:18 < Erlkoenig> photoshop
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2012-11-13T02:08:05 < dongs> http://gizmodo.com/5959812/john-mcafee-wanted-for-murder haha
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2012-11-13T03:05:30 < dongs> what other places in UK to get parts besides RS
2012-11-13T03:05:40 < Bird|lappy> dongs, Farnell
2012-11-13T03:05:44 < dongs> oh, right
2012-11-13T03:05:54 < dongs> lets see if they have the stuff my pal needs
2012-11-13T03:08:10 < dongs> seems so
2012-11-13T03:08:11 < dongs> nice
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2012-11-13T04:39:14 < baird> Ha. There was a serious truck accident on a freeway that go past my place. I rode past 6km of stuck traffic on my trollercycle. :D
2012-11-13T04:39:29 < dongs> https://youtube.com/watch?v=97M3yGFhfXk but can you do THIS?
2012-11-13T04:40:56 < gnomad> "see kids, some drivers would panic but daddy had his gangnam shades on"
2012-11-13T04:40:56 < gnomad> "see kids, some drivers would panic but daddy had his gangnam shades on"
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2012-11-13T04:43:37 < emeb_mac> that's some quick thinking there.
2012-11-13T04:43:47 < emeb_mac> Good thing there was no one behind him
2012-11-13T04:45:50 < baird> My brother has a car dash camera 'for insurance purposes'...
2012-11-13T04:46:13 < emeb_mac> I guess they're pretty popular in RU for that reason too.
2012-11-13T04:47:48 < baird> Only a few (hundred) metres from where I am atm.. http://www.dailytelegraph.com.au/news/truck-driver-trapped-in-wreckage-on-the-m4-motorway-at-merrylands/story-e6freuy9-1226515810930
2012-11-13T04:50:50 < emeb_mac> big mess
2012-11-13T04:52:57 < baird> The RHS of the 3rd truck's cabin, where the driver was, was completely crushed in. The spectators I asked thought it was a fatality.
2012-11-13T04:54:50 < baird> There's a freeway exit right before that spot, so I'm thinking the Benz changed lanes to exit without indicating, involving the other trucks.
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2012-11-13T05:32:39 < Bird|lappy> baird, heh.  lern2blinker or it'll be expensive
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2012-11-13T07:41:43 < emeb_mac> oh lookie - my TI / Stellaris launchpad just shipped.
2012-11-13T07:41:53 < dongs> oh lookie mine's been under my desk for over a week now
2012-11-13T07:42:10 < ds2> anyone in the US interested in trading F3disc for a F4disc?
2012-11-13T07:47:25 < emeb_mac> ds2: can't you buy one at the usual suspects?
2012-11-13T07:47:43 < ds2> emeb_mac: I expect to be getting an extra F3 disco soon
2012-11-13T07:47:45 < dongs> isnt f4disc basically available anywhere now
2012-11-13T07:48:09 < ds2> trying not to get cash involved
2012-11-13T07:48:45 < emeb_mac> 384 available @ DK for $14.90/ea
2012-11-13T07:48:50 < dongs> Heh
2012-11-13T07:49:00 < ds2> and $0.00 for the F3disc
2012-11-13T07:50:27 < emeb_mac> dongs: point taken on the lunchpad - no idea what it's good for.
2012-11-13T07:51:42 < dongs> i left it powered up on my desk for a day
2012-11-13T07:51:48 < dongs> the rgb led pulsing was mesmerizing
2012-11-13T07:52:57 < ds2> what is the advantage of the stellaris?
2012-11-13T07:53:03 < dongs> none
2012-11-13T07:53:53 < ds2> so... what's the point? :D
2012-11-13T07:53:55 < emeb_mac> they're slower!
2012-11-13T07:54:04 < ds2> it is like the kinetis
2012-11-13T07:54:07 < emeb_mac> they're cheaper!
2012-11-13T07:54:17 < dongs> kinetis = utter shit dev tools
2012-11-13T07:54:28 < dongs> and even worse headers/periphlib
2012-11-13T07:54:29 < dongs> than ST
2012-11-13T07:54:39 < ds2> well... if you like codewarrior
2012-11-13T07:54:45 < dongs> you mean eclipse
2012-11-13T07:54:55 < ds2> no, codewarrior
2012-11-13T07:54:58 < ds2> that's what they are pushing
2012-11-13T07:55:00 < dongs> no, eclipse
2012-11-13T07:55:05 < dongs> codewarrior = fucking eclipse
2012-11-13T07:55:11 < ds2> codewarrior might be using eclipse but they want to sell that shit
2012-11-13T07:55:12 < dongs> they stopped making their own shit long time ago
2012-11-13T07:55:15 < dongs> right
2012-11-13T07:55:26 < ds2> so unless it is free I ain't admitting or giving IBM credit ;)
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2012-11-13T07:55:50 < emeb_mac> I used to have a subscription to codewarrior back when it was a real separate product for Mac OS 9.
2012-11-13T07:56:10 < emeb_mac> Then Motorola bought them and it all went to crap.
2012-11-13T07:56:12 < ds2> btw, I have an unused codewarrior license....
2012-11-13T07:57:21 < emeb_mac> yay?
2012-11-13T07:57:47 < ds2> it was a free giveaway
2012-11-13T07:57:57 < ds2> got a voucher for a license so I filled in the web form
2012-11-13T07:59:02 < emeb_mac> I guess that's all moot now that FSL is tanking the the iMX product line.
2012-11-13T07:59:20 < ds2> but kinetis is not iMX
2012-11-13T07:59:22 < ds2> or is it?
2012-11-13T07:59:26 < emeb_mac> you're right
2012-11-13T07:59:37 < emeb_mac> I wonder if kinetis is still alive.
2012-11-13T07:59:58 < emeb_mac> Heard from a buddy that MCHP had a big employee meeting today - bad things are afoot there.
2012-11-13T08:00:20 < dongs> i got it
2012-11-13T08:00:28 < ds2> hmmmm ghosttown chandler in the brewing?
2012-11-13T08:00:28 < dongs> stellaris kit: cheap microUSB cable
2012-11-13T08:02:10 < emeb_mac> ds2: not ghostly - no layoffs ATM.
2012-11-13T08:02:25 < ds2> emeb_mac: unless MCHP does that
2012-11-13T08:02:49 < zippe> emeb: scary, been waiting to acquire cheap K60 dev board
2012-11-13T08:03:11 < ds2> is K60 the big one with the DDR interface?
2012-11-13T08:03:14 < emeb_mac> zippe: I think I've got one of their K60 tower systems.
2012-11-13T08:03:25 < zippe> emeb_mac: yeah, but I have no patience for that crap
2012-11-13T08:03:29 < zippe> or I'd be hacking the panda
2012-11-13T08:03:36 < emeb_mac> in a box under my bench for the last few years.
2012-11-13T08:03:58 < zippe> Right now I'm trying to not watch as someone attempts to make Programs and Documents get along with make
2012-11-13T08:04:01 < zippe> It's making me sad
2012-11-13T08:04:43 < emeb_mac> Programs and Documents - is that a Windows thing? :)
2012-11-13T08:08:16 < zippe> emeb_mac: yes
2012-11-13T08:08:40 < emeb_mac> thought so. I'd guess make hates directories w/ spaces in them.
2012-11-13T08:24:08 < zippe> Very much
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2012-11-13T08:45:04 < dongs> whats the cycle counter, 32bit?
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2012-11-13T09:05:43 < dongs> DHL is fucking late
2012-11-13T09:09:00 < emeb_mac> DHL still exists?
2012-11-13T09:09:50 < dongs> what the hell
2012-11-13T09:09:56 < dongs> so I ordered 19 of those chips right
2012-11-13T09:10:00 < dongs> they come in TWO TRAYS
2012-11-13T09:11:14 < emeb_mac> 16 in one and 3 in the other?
2012-11-13T09:11:16 < dongs> 4 chips in one tray...
2012-11-13T09:11:17 < dongs> yes.
2012-11-13T09:11:19 < dongs> 15 in another.
2012-11-13T09:11:31 < emeb_mac> *eyeroll*
2012-11-13T09:13:15 < dongs> my other order for like 10 came on tray too
2012-11-13T09:13:17 < dongs> but at least one
2012-11-13T09:14:04 < emeb_mac> what chips?
2012-11-13T09:14:25 < emeb_mac> those expensive ASI ones you mentioned?
2012-11-13T09:19:38 < dongs> yea
2012-11-13T09:20:41  * emeb_mac used to design video modems & has some experience w/ ASI
2012-11-13T09:21:22 < dongs> http://www.panasonic.com/business/provideo/AG-AC90.asp man this shit list price is less than what I paid for my ag-hmc150 few years ago! :(
2012-11-13T09:21:51 < dongs> ah, its 3cmos not 3ccd thats why
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2012-11-13T09:23:16 < emeb_mac> still - looks like a nice rig.
2012-11-13T09:23:31 < emeb_mac> and the price is quite reasonable
2012-11-13T09:24:50 < emeb_mac> flyback: video modems - rf / satellite high data rate stuff.
2012-11-13T09:25:54 < emeb_mac> these were like 144Mbps modems. DVB transport stream.
2012-11-13T09:27:20 < emeb_mac> hah.
2012-11-13T09:27:30 < emeb_mac> that was 10 years ago.
2012-11-13T09:27:45 < emeb_mac> guess that makes it worse.
2012-11-13T09:27:52 < emeb_mac> time for zzzz.
2012-11-13T09:27:56 < emeb_mac> l8rs
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2012-11-13T09:28:01 < zyp> *yawn*
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2012-11-13T09:35:56 < dongs> http://i.imgur.com/T7dDM.jpg seedstudio customer service
2012-11-13T09:40:43 < ds2> hehe
2012-11-13T09:41:13 < ds2> something didn't seem right about seed from the very beginning
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2012-11-13T10:07:47 < jpa-> doesn't seem too bad, everyone loses a message every now and then
2012-11-13T10:07:57 < jpa-> seeed pcb service has worked quite fine for me
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2012-11-13T11:40:48 < dongs> http://www.microsdtomicrousb.com/2012/10/kickstarter-denied-our-project.html
2012-11-13T11:44:19 < zyp> heh
2012-11-13T11:44:40 < dongs> when someone first linked to their indiegogo page i wasnt sure if that was a joke or wat
2012-11-13T11:44:42 < zyp> sd-reader with micro-usb-connector, groundbreaking stuff!
2012-11-13T11:44:46 < dongs> yeah,
2012-11-13T11:44:52 < dongs> i thought it was like
2012-11-13T11:44:56 < dongs> uSD to USB or something
2012-11-13T11:45:03 < dongs> like USB host inside a SD card or someshit like tha
2012-11-13T11:45:06 < dongs> something that makes sense
2012-11-13T11:45:09 < dongs> but.. a card reader???
2012-11-13T11:45:11 < dongs> OOOOOooooooookay.
2012-11-13T11:45:19 < dongs> i suspect there are several of that shits on delayextreme
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2012-11-13T12:05:57 < karlp> Laurenceb_: that mario pic from yesterday is in a great article, why didn't you just link to the whole thing? http://colinkarpfinger.com/blog/2010/the-dropouts-guide-to-antenna-design/#more-64
2012-11-13T12:06:55 < Laurenceb_> oh i thought it was obvious :P
2012-11-13T12:07:11 < karlp> I had to read a bunch of posts before I found the one with mario in it :)
2012-11-13T12:07:19 < karlp> the link got me to the blog
2012-11-13T12:07:27 < karlp> but most of the blog is abotu moving house and owning a motorbike
2012-11-13T12:07:32 < Laurenceb_> heh
2012-11-13T12:08:59 < zyp> I remember reading that article last year
2012-11-13T12:09:39 < karlp> you win then? ;)
2012-11-13T12:10:11 < zyp> no, I just want to second that it's a great article :)
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2012-11-13T12:25:27 < zyp> karlp, by the way, can I ask you about your L1 endeavors? what are the noteable differences?
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2012-11-13T12:47:09 < karlp> zyp: not much really yet.
2012-11-13T12:47:32 < karlp> I'm just trying to test out the pwr/flash wait states HSI/PLL clock operation
2012-11-13T12:47:46 < karlp> the hardest part is going to be testing
2012-11-13T12:48:06 < karlp> I'm trying to get a few things that work "identically" on 32L disco and 32vl disco,
2012-11-13T12:48:11 < karlp> so far so good.
2012-11-13T12:48:52 < karlp> some of teh work is just where I find that the f2 & f4 code is a perfect fit, and I need/want to move them up a level and make them generic, and have chip specific extras
2012-11-13T12:48:58 < karlp> sort of like what ksarkies has been doing.
2012-11-13T12:49:16 < karlp> hoping to do a bit more tonight.
2012-11-13T12:49:37 < karlp> but was in the lab all day yesterday, didn't feel like being on the computer an awful lot last night
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2012-11-13T13:14:33 < dongs> hmm
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2012-11-13T14:26:33 < BrainDamage> attn dongs http://health.gnu.org/index.html
2012-11-13T14:29:19 < Laurenceb> wtf
2012-11-13T14:29:25 < Laurenceb> not sure if troll
2012-11-13T15:08:37 < dongs> attn baird https://youtube.com/watch?v=1Cv2LqZwQUs
2012-11-13T15:18:50  * Laurenceb is trying to design a low noise photodiode amplifier
2012-11-13T15:19:02 < Laurenceb> all the designs i can find use transimpedance amps :(
2012-11-13T15:19:13 < Laurenceb> way too much noise
2012-11-13T15:20:08 < BrainDamage> that's because the output of a photodiode is linear with current
2012-11-13T15:20:23 < BrainDamage> and exponential with voltage
2012-11-13T15:20:42 < BrainDamage> so unless you want the wtf way of the voltage, the sane way is transimpedance
2012-11-13T15:21:02 < BrainDamage> are you interested to the shape too, or just the intensity? because you can also do a matched filter
2012-11-13T15:21:18 < Laurenceb> no matched filter wont work
2012-11-13T15:21:32 < BrainDamage> so you're interested in the shape
2012-11-13T15:21:35 < Laurenceb> ill have to look at bootstrapped cascode stuff i think
2012-11-13T15:27:50 < HTT-Bird> Laurenceb: I take it resistor Johnson noise is swamping your photodiode signal?
2012-11-13T15:28:01 < Laurenceb> yes
2012-11-13T15:28:58 < BrainDamage> what bandwith do you have?
2012-11-13T15:29:07 < Laurenceb> 1KHz
2012-11-13T15:29:21 < Laurenceb> around 12Khz
2012-11-13T15:29:31 < Laurenceb> ie 12khz +-500hz
2012-11-13T15:30:02 < BrainDamage> so you'll have to build a locking aka am demodulator
2012-11-13T15:30:18 < BrainDamage> -g
2012-11-13T15:30:39 < BrainDamage> mmm, can you use an avalanche photodiode?
2012-11-13T15:30:46 < BrainDamage> or is the bandwith too large for them?
2012-11-13T15:31:13 < Laurenceb> i could
2012-11-13T15:31:27 < Laurenceb> but theres got to be a way to do this with a pin diode
2012-11-13T15:31:42 < Laurenceb> as the diode noise floor is 2 orders of mag lower than my current noise
2012-11-13T15:34:55 < BrainDamage> can you integrate the current? cap noise is kTC, and C can be rather small
2012-11-13T15:35:09 < Laurenceb> yeah that was my thought
2012-11-13T15:35:18 < Laurenceb> but you pick up opamp voltage noise
2012-11-13T15:35:28 < Laurenceb> unless you add some jfets or something...
2012-11-13T15:35:47 < Laurenceb> you dont actually see cap noise is all situations
2012-11-13T15:40:45 < Laurenceb> yeah sticking a jfet on the front works
2012-11-13T15:43:43 < Laurenceb> yeah 4x10^-16 watts /sqrt(hz)
2012-11-13T15:43:49 < Laurenceb> at 10khz
2012-11-13T15:43:54 < BrainDamage> you probably could even use a tiny mosfet, most of mosfet's noise is 1/f
2012-11-13T15:43:57 < BrainDamage> but you're at 10kHz
2012-11-13T15:44:05 < Laurenceb> yes
2012-11-13T15:44:09 < BrainDamage> so should get reduced quite a bit
2012-11-13T15:44:15 < Laurenceb> thats what ive just calculated for
2012-11-13T15:44:31 < BrainDamage> jfet is not a mosfet
2012-11-13T15:44:32 < Laurenceb> gpio pin goes to pin photodiode cathode
2012-11-13T15:44:36 < Laurenceb> i know
2012-11-13T15:44:44 < Laurenceb> then anode to gate
2012-11-13T15:45:04 < Laurenceb> and a mosfet in a pot divider circuit with a 100ohm or so resistor
2012-11-13T15:45:15 < Laurenceb> then an opamp differentiator
2012-11-13T15:45:19 < Laurenceb> going to adc
2012-11-13T15:45:43 < Laurenceb> ~15ma though the mosfet gives low shot noise
2012-11-13T15:45:55 < Laurenceb> and small resistance gives low johnson noise
2012-11-13T15:46:17 < Laurenceb> the photodiode discharges at 20hz or so
2012-11-13T15:46:34 < Laurenceb> and is recharged by pulsing the gpio high
2012-11-13T15:47:21 < Laurenceb> photodiode leakage shot noise dominates
2012-11-13T15:47:32 < Laurenceb> with opamp voltage noise an order of magnitude lower
2012-11-13T15:47:34 < BrainDamage> not bad
2012-11-13T15:48:01 < Laurenceb> ill have to try building it
2012-11-13T15:48:19 < Laurenceb> its a little thirsty
2012-11-13T15:48:19 < BrainDamage> suddendly: 10V/sqrt(Hz) from EMI pickup
2012-11-13T15:48:24 < Laurenceb> ~20ma @3.3v
2012-11-13T15:48:36 < BrainDamage> battery operated?
2012-11-13T15:48:55 < Laurenceb> usb operated :P
2012-11-13T15:49:05 < Laurenceb> itd need a micro
2012-11-13T15:49:33 < Laurenceb> and there will by photodiode reset pulses when it doesnt output useful data
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2012-11-13T15:50:16 < BrainDamage> demodulation in sw?
2012-11-13T15:50:27 < BrainDamage> or will you go to the extend of an analogue pll?
2012-11-13T15:52:26 < BrainDamage> open sauce devs can be truly retarded, this is from a lib I just compiled: http://pastebin.com/7rCEhpAB
2012-11-13T16:00:58 < Claude> BrainDamage, ack! login screen of one of our dataloggers ;) http://pastebin.com/nR4RLZTR
2012-11-13T16:23:42 < Laurenceb> armv5tejl
2012-11-13T16:23:45 < Laurenceb> hehe
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2012-11-13T16:37:24 < Claude> yeah always at the latest and greatest tech here ;)
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2012-11-13T18:37:16 < Laurenceb> http://i.imgur.com/G1PuD.jpg
2012-11-13T18:37:34 < jpa-> oh, i didn't know you had a wife
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2012-11-13T19:01:26 < Laurenceb> http://visualmicro.com/post/2012/05/05/Debug-Arduino-Overview.aspx
2012-11-13T19:02:58 < Claude> *cough* arduino and visual studio? the end is nigh!
2012-11-13T19:05:47 < jpa-> netduino ,)
2012-11-13T19:07:35 < Claude> + boost
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2012-11-13T20:13:20 < baird> Neat. I've got an old STR9104 ARM NAS working again.
2012-11-13T20:14:00 < baird> My original linux porting debugging took ages to realise that it was an ARM core without any extensions (thumb..)
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2012-11-13T21:18:08 < Tzacks> emeb, sry i went off yesterday, if you are around pls let me know
2012-11-13T21:18:18 < emeb> Tzacks: I'm here
2012-11-13T21:18:31 < Tzacks> hello there :)
2012-11-13T21:18:41 < Tzacks> can i steal some of your time? :)
2012-11-13T21:18:47 < emeb> what's up?
2012-11-13T21:19:15 < Tzacks> i know you work with digital audio, have you ever try anything with fm pairs to generate audio?
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2012-11-13T21:20:08 < emeb> Nope.
2012-11-13T21:20:16 < emeb> Describe pls.
2012-11-13T21:20:30 < Tzacks> do you know how numerically oscillator works?
2012-11-13T21:20:47 < emeb> yep
2012-11-13T21:20:50 < Tzacks> ook
2012-11-13T21:21:22 < Tzacks> in fm pair, you do fm synthesis and you modulate one osc by another one, i need to know how that is done :/
2012-11-13T21:21:40 < Tzacks> everywhere i see only diagrams with arrows but nor how it is done :/
2012-11-13T21:21:47 < emeb> Ok -yes I've done this. Didn't call it "FM pair" though.
2012-11-13T21:22:06 < Tzacks> well i think it is called fm pair :)
2012-11-13T21:22:21 < emeb> I just called it 2-operator FM
2012-11-13T21:22:32 < Tzacks> ook
2012-11-13T21:22:39 < Tzacks> could you help with that pls?
2012-11-13T21:22:40 < emeb> to use the Yamaha terminology - they have the patent.
2012-11-13T21:22:52 < emeb> So what's the question?
2012-11-13T21:22:52 < Tzacks> ok
2012-11-13T21:23:06 < ds2> isn't that multiply?
2012-11-13T21:23:13 < Tzacks> nope
2012-11-13T21:23:14 < ds2> or was that AM?
2012-11-13T21:23:14 < BrainDamage> no, that's am
2012-11-13T21:23:20 < ds2> oops
2012-11-13T21:23:40 < BrainDamage> you need to make f(fcenter+in)
2012-11-13T21:23:40 < emeb> So for 2-op FM you have 2 ncos + 2 wavetables.
2012-11-13T21:23:41 < ds2> but don't you the equiv of FM as the sidebands?
2012-11-13T21:24:29 < BrainDamage> mutiplying by a cos simply rigidly shifts a signal at +- Fcos
2012-11-13T21:24:30 < Tzacks> ok, lets say i have two ncos with sine wave, phase acc, lut and so on to produce sine wave, if i want to modulate one of these how should i take the output of one and where to feed it into another one
2012-11-13T21:25:28 < emeb> 2-op FM is based on this eqn: X(t) = sin(w(t) + A*sin(B*w(t)))
2012-11-13T21:25:37 < emeb> where X(t) is the output wave
2012-11-13T21:25:44 < ds2> Ooooooh
2012-11-13T21:26:08 < emeb> A is the "Modulation Index" and B is the Mod/Carrier Ratio
2012-11-13T21:26:24 < emeb> by controlling A and B you can shape the harmonic content of the sound.
2012-11-13T21:27:43 < emeb> so as Brain Damage alluded above, you drive the input of one NCO with the sum of the desired frequency and the scaled output of the other NCO.
2012-11-13T21:27:47 < Tzacks> do you have any diagram, how can i visualize this?
2012-11-13T21:28:12 < emeb> Sorry - no diagrams handy.
2012-11-13T21:28:45 < Tzacks> ook, i should figure it out, but at least it makes sort of sense as you put that equation here, thnx
2012-11-13T21:28:59 < emeb> Good luck.
2012-11-13T21:29:04 < Tzacks> would you find any links where i can find more about this?
2012-11-13T21:29:20 < Tzacks> or some pdf would be better
2012-11-13T21:29:21 < emeb> I've got a little write-up on my FM oscillator here: http://ebrombaugh.studionebula.com/synth/vcdo/index.html
2012-11-13T21:29:25 < Tzacks> name of book or so :)
2012-11-13T21:30:17 < emeb> should be plenty of stuff out there on the webz.
2012-11-13T21:31:12 < Tzacks> ook, i'll find something, this would only wpeed it up z bit :)
2012-11-13T21:31:18 < Tzacks> thnx for that equation
2012-11-13T21:32:43 < emeb> np
2012-11-13T21:33:22 < Tzacks> ou and question here
2012-11-13T21:33:40 < Tzacks> "......NCO with the sum of the desired frequency and the scaled output of the other NCO."
2012-11-13T21:33:53 < Tzacks> is there any info of how to scale it, or should i experiment on that a bit?
2012-11-13T21:33:53 < emeb> ok - what?
2012-11-13T21:34:29 < emeb> Start small & see what sounds good?
2012-11-13T21:34:51 < emeb> I find that values of A > pi are too extreme for me
2012-11-13T21:35:18 < emeb> it doesn't change much beyond that, so that's what I used for an upper limit.
2012-11-13T21:35:34 < Tzacks> oook, so i'll experiment on that
2012-11-13T21:35:43 < Tzacks> thnx very much
2012-11-13T21:35:47 < emeb> ok
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2012-11-13T21:54:18 < Laurenceb_> hi
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2012-11-13T22:03:08 < emeb> ho
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2012-11-13T23:49:56 < bsilvereagle> Any .NETMF gurus around?
2012-11-13T23:50:10 < Erlkoenig> BjoernC: !
2012-11-13T23:50:29 < BjoernC> hää?
2012-11-13T23:50:33 < BjoernC> wasn los?
2012-11-13T23:50:49 < Erlkoenig> du warst doch son .NETMF experte oder?
2012-11-13T23:51:12 < BjoernC> hmm?
2012-11-13T23:51:13 < bsilvereagle> Oh gee. Let me find a german translator
2012-11-13T23:51:14 < BjoernC> nöö
2012-11-13T23:51:37 < BjoernC> bsilvereagle: Erlkoenig had asked me if i know something about .NETMF
2012-11-13T23:51:50 < bsilvereagle> right, because I asked if anyone knew anything about it.
2012-11-13T23:51:54 < BjoernC> bsilvereagle: but i havent done something with that
2012-11-13T23:52:16 < Erlkoenig> i thought i remembered BjoernC used .NETMF... well looks like i was wrong
2012-11-13T23:52:28 < bsilvereagle> Basically I've got an STM32F05 on a Shield Base from Secret Labs and i2c isn't implemented yet. I was wondering how hard it is to port an existing .NETMF build to the processor.
2012-11-13T23:52:30 < bsilvereagle> ah okay
2012-11-13T23:53:00 < BjoernC> no its ok, but what is netmf? ^^
2012-11-13T23:53:26 < bsilvereagle> the .NET microframework. Micrsoft's C# .NET libraries on micro controllers
2012-11-13T23:54:00 < bsilvereagle> Job I've got uses Secret Lab's Netduino Go but i2c hasn't been implemented in the firmware even though the STM32F2 is capable of it
2012-11-13T23:54:53 < Erlkoenig> you can just write I²C code in C/C++? :D
2012-11-13T23:55:23 < bsilvereagle> Yeah, I know. C# is easier for the project.
2012-11-13T23:55:38 < bsilvereagle> Will the GNU ARM toolchain talk alright to the STM via FTDI?
2012-11-13T23:55:52 < Erlkoenig> wat? the toolchain generates .elf or .bin files, nothing more
2012-11-13T23:56:14 < Erlkoenig> to get the code on the µC, you need a programmer hardware and the correct program for that
2012-11-13T23:56:15 < bsilvereagle> hmm. Alright. How would I go about flashing them?
2012-11-13T23:56:29 < bsilvereagle> FTDI -> SWIM ?
2012-11-13T23:56:37 < Erlkoenig> e.g. the ST-Link V2 Programmer hardware
2012-11-13T23:57:09 < Erlkoenig> or use a bootloader, then you can use FTDI, RS-232 or whatever you like
2012-11-13T23:57:28 < Erlkoenig> why is C# easier? monster project?
2012-11-13T23:57:58 < bsilvereagle> Essentially a Windows 8 tablet is controlling a bunch of uCs. Several of which run .NETMF. This is the only one that won't.
2012-11-13T23:58:37 < Erlkoenig> ah okay
2012-11-13T23:59:24 < bsilvereagle> http://en.wikipedia.org/wiki/STM32#Development_tools
2012-11-13T23:59:39 < bsilvereagle> First bullet point, I've got an RS-232 sitting at my desk
2012-11-13T23:59:41 < bsilvereagle> flyback: trying to
--- Day changed Wed Nov 14 2012
2012-11-14T00:00:47 < bsilvereagle> sure, I'm not sure how much help I'm going to be. I'm using Netduino's primarily, they've got the netmf compiled already waiting for code.
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2012-11-14T00:13:59 <+dekar> dongs, got my flying thing :D
2012-11-14T00:14:27 <+dekar> quite fun, though it's hard to keep the height
2012-11-14T00:14:32 <+dekar> makes it hard to fly inside
2012-11-14T00:21:25 < Erlkoenig> it were if it didn't require browser plugins
2012-11-14T00:22:29 < upgrdman_> i dont suppose thoses a web server + php + mysql for an stm32? :) :)
2012-11-14T00:24:53 < Bird|lappy> upgrdman_, web server maybe
2012-11-14T00:25:04 < Bird|lappy> database, I'm really not sure but you might be able to make SQLite work
2012-11-14T00:25:11 < Bird|lappy> dunno WTF you'd want to do with PHP
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2012-11-14T00:30:09 < Erlkoenig> PHP? when compiled, it's said to be faster than C
2012-11-14T00:30:53 < Erlkoenig> also optionally statically typed
2012-11-14T00:31:23 < Erlkoenig> @Bird|lappy
2012-11-14T00:31:32 < Bird|lappy> lol
2012-11-14T00:31:58 < Erlkoenig> and since its standard library has been cleaned, looks nice too now
2012-11-14T00:32:18 < upgrdman_> i've been looking for a low-power web server, thats why i asked. its just to run a blog so i dont need lots of power. the r pi is probably better suited to that task
2012-11-14T00:32:43 < Erlkoenig> also more stable than e.g. Java based server-side applications
2012-11-14T00:32:47 < Erlkoenig> (and faster)
2012-11-14T00:33:22 < Bird|lappy> Erlkoenig, my "web dev language debate" is between Python, Common Lisp, and Scala
2012-11-14T00:33:34 < Erlkoenig> scala :3
2012-11-14T00:33:44 < Erlkoenig> php is said to be more mature and stable
2012-11-14T00:34:12 < baird> The various Linux-reinstalled-on-NAS options. (Which is something I'm doing a bit of at the moment.) NSLU, et.al.
2012-11-14T00:36:06 < baird> Many of those operate under the 5 watt margin, with USB2 or internal drives.
2012-11-14T00:36:37 < baird> Of course, the raspberry pi runs at 2W, from an SD card, and can be powered from any USB port..
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2012-11-14T00:44:28 < ds2> it is always impressive at the overkill DK uses for packaging
2012-11-14T01:08:39 <+dekar> *cough* Personal Home-Page *cough-cough*
2012-11-14T01:09:36 < zyp> php mature and stable? hah
2012-11-14T01:09:58 < baird> He'll need SSL working on that, too...
2012-11-14T01:12:42 -!- DaKu is now known as daku
2012-11-14T01:12:42 < GargantuaSauce> LAMP on a microcontroller....
2012-11-14T01:13:45 < karlp> the chip on my openwrt router is about a smicro sized as the larged lqfp packages.
2012-11-14T01:13:50 < karlp> does that make it a microcontroller?
2012-11-14T01:21:52 -!- upgrdman_ [42a6d414@blender/artist/upgrdman] has quit [Quit: Page closed]
2012-11-14T01:26:25 < baird> THE INTERNET OF **THINGS**, man.
2012-11-14T01:27:53 < Laurenceb_> lol
2012-11-14T01:29:32 < Laurenceb_> something for you baird
2012-11-14T01:29:33 < Laurenceb_> http://www.afrotechmods.com/groovy/open_source_hardware/open_source_hardware.htm
2012-11-14T01:30:05 < baird> Wedding rings, that connect to the Internet /!!!/
2012-11-14T01:35:42 < baird> lol. Make those an accessory included with Renai/dating-sim games...
2012-11-14T01:36:01 < baird> "oh, my ring is blinking, my waifu needs me..."
2012-11-14T01:39:02 < Laurenceb_> hahaha
2012-11-14T01:39:05 < Laurenceb_> waifu
2012-11-14T01:50:06 < dongs> baird, did you see my link for you yesterday
2012-11-14T01:50:14 < dongs> < dongs> attn baird https://youtube.com/watch?v=1Cv2LqZwQUs
2012-11-14T02:05:06 < baird> The aussie sounds like he's miming a Leb Sydney rapper.
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2012-11-14T02:41:48 < dongs> attn baird https://youtube.com/watch?v=1ZYNNjiDnUQ
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2012-11-14T02:57:40 < baird> mfw my imouto weighs more than I do ಠ_ಠ
2012-11-14T03:04:13 < baird> Well, I'm a bit better off than my other local weeb buddies, whose sisters are all like Dentists making $5 million a year, and they're always dumped on as free babysitters.
2012-11-14T03:30:45 < baird> lol America: http://www.cbsnews.com/8301-250_162-57548572/states-petition-to-secede-from-union/ ... I remember from about 12 years ago, a Chinese government thinktank concluded that the USA was going to collapse due to a combination of economic and internal issues within 30 years.
2012-11-14T03:31:06 < emeb> F3 breakout PCB arrived from OSHpark -> http://i.imgur.com/GfGv3.jpg
2012-11-14T03:32:45 < emeb> baird: hilarious - of course those aren't official petitions supported by a plurality of citizens in those states.
2012-11-14T03:33:22 < emeb> Just malcontents uploading their disease onto the Whitehouse website. It'll pass...
2012-11-14T03:38:48 < dongs> opensoresy!
2012-11-14T03:43:57 < emeb> where?
2012-11-14T03:45:14 < Bird|lappy> opamps: if they aren't solving your problem, you aren't using enough of them :P
2012-11-14T03:45:27 < emeb> flyback: you watching "This" network?
2012-11-14T03:45:59 < emeb> Bird|lappy: or you're using them wrong.
2012-11-14T03:46:24 < Bird|lappy> xD
2012-11-14T03:47:14  * emeb remembers an analog computer built out of op-amps that simulated a ball bouncing around in a box.
2012-11-14T03:47:37 < emeb> Display consisted of a little circle that bounced around on the screen of a 'scope in XY mode.
2012-11-14T03:47:56 < emeb> circle even compressed when it hit the walls & floor.
2012-11-14T03:49:50 < Bird|lappy> lol! :D
2012-11-14T03:54:10 < baird> Yay~ I have another E14 shipping arrive. (Only a bunch of $2 short HDMI cables, but still..)
2012-11-14T03:55:15 < dongs> shouldnt that be displayport cables
2012-11-14T03:55:39 < baird> Shouldn't you not get your hopes up? :p
2012-11-14T03:55:47 < dongs> why?
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2012-11-14T04:06:01 < emeb> flyback: yeah - we've got it as a secondary on one of the local ATSC stations.
2012-11-14T04:06:46 < dongs> http://i.imgur.com/lItkK.jpg how do i smartcarded
2012-11-14T04:07:46 < emeb> that's a stack of cards
2012-11-14T04:18:13 < emeb> nope - AZ
2012-11-14T04:28:16 < baird> 30 Atari 2600 cartridges to clean up..
2012-11-14T04:51:06 < dongs> double blogger
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2012-11-14T06:46:07 < emeb> got the F3 breakout all soldered up.
2012-11-14T06:46:14 < dongs> pics or it didnt happen
2012-11-14T06:46:16 < dongs> does it power up?
2012-11-14T06:46:27 < emeb> yup - I can see it over SWD.
2012-11-14T06:46:34 < dongs> how about uSb DFU
2012-11-14T06:46:42 < emeb> that's not working. :(
2012-11-14T06:46:56 < dongs> o'Rly?
2012-11-14T06:47:04 < dongs> what could be wrong?
2012-11-14T06:47:08 < dongs> short boot pins, power up w/usb
2012-11-14T06:47:10 < dongs> no workie?
2012-11-14T06:47:16 < emeb> that's what I'm doing.
2012-11-14T06:47:28 < emeb> F3 only has one boot pin.
2012-11-14T06:47:41 < dongs> right
2012-11-14T06:47:43 < emeb> BOOT1 comes from a register in flash
2012-11-14T06:47:48 < dongs> boot0 > vcc
2012-11-14T06:47:50 < dongs> power up
2012-11-14T06:47:56 < emeb> yeah. doing that.
2012-11-14T06:48:01 < dongs> does it show up as dead device or something?
2012-11-14T06:48:02 < dongs> or nothing at all
2012-11-14T06:48:14 < dongs> i wish st would update the fucking bootloader appnote wiht F3 info....
2012-11-14T06:48:17 < emeb> USB stack is trying to enumerate but eventually gives up.
2012-11-14T06:48:37 < emeb> maybe the xtal isn't properly soldered.
2012-11-14T06:49:02 < emeb> it's one of those tiny ones (like on AfroLED)
2012-11-14T06:49:03 < dongs> 12Mright?
2012-11-14T06:49:06 < emeb> yeah
2012-11-14T06:49:34 < emeb> maybe try reflowing. just a sec...
2012-11-14T06:52:52 < dongs> For connectivity line devices, if the external HSE crystal frequency is different from 25 MHz
2012-11-14T06:52:55 < dongs> (14.7456 MHz or 8 MHz), the device performs several unsuccessful enumerations (with
2012-11-14T06:52:58 < dongs> connect – disconnect sequences) before being able to establish a correct connection with
2012-11-14T06:53:02 < dongs> the host. This is due to the HSE automatic detection mechanism based on SOF detection.
2012-11-14T06:53:05 < dongs> this is for F105/7 i guess
2012-11-14T06:53:33 < dongs> so apparently unsuccesful enum is OK while it gets xtal speed
2012-11-14T06:55:32 < dongs> hmm
2012-11-14T06:55:32 < dongs> wat
2012-11-14T06:55:37 < dongs> F2/F4 use USB off HSI?
2012-11-14T06:55:59 < cdh> If the DFU code in ROM is anything like the F4's code, the HSE must come up and be stable in < about 950 us, otherwise it's not going to enable USB DFU.
2012-11-14T06:56:05 < cdh> F4 uses USB off HSE only.
2012-11-14T06:56:16 < dongs> not according to AN2606
2012-11-14T06:56:35 < dongs> or maybe im just reading it wrong (wouldnt be surprised)
2012-11-14T06:56:39 < emeb> scoped the HSE pins - don't ever see the oscillator try to start.
2012-11-14T06:56:46 < dongs> mmm
2012-11-14T06:56:56 < dongs> got caps on it?
2012-11-14T06:57:01 < emeb> yeah
2012-11-14T06:57:07 < emeb> 8pf
2012-11-14T06:57:07 < dongs> oh you had a resistor in series too right?
2012-11-14T06:57:08 < dongs> or osmeshit?
2012-11-14T06:57:14 < emeb> no resistor.
2012-11-14T06:57:18 < emeb> usually not needed.
2012-11-14T06:57:21 < dongs> right
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2012-11-14T06:57:47 < emeb> I should write the basic LED blinky
2012-11-14T06:57:52 < dongs> latest an2606 still doesnt have F3 info
2012-11-14T06:57:57 < dongs> you can try f3disco usb samples
2012-11-14T06:57:59 < emeb> then try to start HSE from there & see if my xtal is OK
2012-11-14T06:58:02 < dongs> just change pll for 12mhz
2012-11-14T06:58:03 < dongs> or that
2012-11-14T06:58:04 < dongs> yeah
2012-11-14T06:58:55 < ds2> maybe your probes are loading it too much?
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2012-11-14T06:59:33 < dongs> ^ ragequit
2012-11-14T06:59:59 < dongs> ds2: i've scoped hse with random shit 10x 500mhz 8pf probes and it was ok
2012-11-14T07:00:01 < gnomad> Can you re-direct the system clock out to a pin?
2012-11-14T07:00:18 < gnomad> that is a much better way to see how your XTAL is clocking.
2012-11-14T07:01:07 < gnomad> (I have done this on other MCUs -- don't know enough about the STMs yet...)
2012-11-14T07:01:32 < dongs> yes, of course you can
2012-11-14T07:01:35 < dongs> there's MCO pin
2012-11-14T07:01:41 < dongs> its source can be different timing sources, HCLK, etc.
2012-11-14T07:01:54 < dongs> plus you can query RCC for the clock status
2012-11-14T07:02:02 < dongs> to see what youre actually running off of
2012-11-14T07:03:13 < ds2> speaking of clocks.. .does going from a 12MHz to a 16MHz clock on a F1 messes up DFU over UART?
2012-11-14T07:03:21 < dongs> nope
2012-11-14T07:03:33 < dongs> no problem there, uart boot is off HSI anyway
2012-11-14T07:03:37 < dongs> it doesnt touch the xtal
2012-11-14T07:03:44 < ds2> ahhhhhhh
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2012-11-14T07:25:17 < emeb> assembled f3 breakout -> http://i.imgur.com/mvBuh.jpg
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2012-11-14T07:26:36 < cdh> That's a pretty board.
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2012-11-14T07:26:49 < emeb> ty
2012-11-14T07:31:14 < gnomad> i am amazed at the board detail you can get from just an average camera these days
2012-11-14T07:32:07 < emeb> no kidding. took that w/ my Samsung android media player. Just a 5MP camera but it's got a good macro mode.
2012-11-14T07:32:31 < emeb> can even read the values on the 0603 resistors.
2012-11-14T07:32:57 < ds2> emeb: how did you do the QFP? pin at a time?
2012-11-14T07:33:08 < emeb> ds2: the wonder of drag soldering.
2012-11-14T07:33:20 < emeb> one side at a time. very fast.
2012-11-14T07:33:27 < ds2> *nod* but very wick expensive
2012-11-14T07:33:37 < dongs> that wasnt wick'd
2012-11-14T07:33:37 < emeb> no wick needed. one pass, done.
2012-11-14T07:34:00 < ds2> how do you get the excess solder off?
2012-11-14T07:34:07 < dongs> you dont, there isn't any
2012-11-14T07:34:08 < emeb> ds2: no excess
2012-11-14T07:34:23 < dongs> also i think thats leaded solder
2012-11-14T07:34:25 < ds2> am I miss understanding 'drag soldering'?
2012-11-14T07:34:43 < emeb> secret is: 1) hoof tip, 2) lots of flux, 3) not too much solder on the tip to start.
2012-11-14T07:35:23 < ds2> hmm
2012-11-14T07:35:36 < ds2> my variant involves a big ball of solder w/lots of bridges
2012-11-14T07:35:49 < emeb> ds2: then ur doin it rong.
2012-11-14T07:36:00 < emeb> here's the howto I used: http://www.howardelectronics.com/jbc/dragsoldering.html
2012-11-14T07:36:01 < dongs> time to hit up youtube for proper drag soldering vidz
2012-11-14T07:36:22 < ds2> my way works for me...just have to use a lot of wick to finish it
2012-11-14T07:37:29 < gnomad> oh yeah, there is some serious drag solder porn on youtube
2012-11-14T07:38:22 < gnomad> aah, found it.
2012-11-14T07:38:50 < gnomad> http://www.youtube.com/watch?v=Y2AeDGXCwU0
2012-11-14T07:39:29 < gnomad> all six of John Gammels vids are pure solder porn
2012-11-14T07:40:05 < emeb> problem with that one is they're applying solder as they go. I don't do that.
2012-11-14T07:40:35 < emeb> I put just enough to cover the tip on prior, then drag.
2012-11-14T07:42:45 < emeb> This video is more like my approach -> http://www.howardelectronics.com/jbc/dragsoldering.html
2012-11-14T07:43:01 < emeb> not that. this -> http://www.youtube.com/watch?NR=1&feature=fvwp&v=5uiroWBkdFY
2012-11-14T07:43:12 < emeb> around 2:00 where they're doing the qfp
2012-11-14T07:43:39 < cdh> emeb - if you'd like to measure HSE startup time (this is what caused the custom F4 board I'm using to not enable the DFU), you can put some code on your board to set a GPIO just before HSE is enabled and then unset the GPIO when RCC reports HSE is stable.  Should be pretty easy to measure this.  If you're using libopencm3, here's some code you can start with:  http://cdh.ods.org/stm32/hse.c
2012-11-14T07:43:58 < emeb> cdh: good idea.
2012-11-14T07:44:06 < dongs> hm, is it really that big of a deal?
2012-11-14T07:44:14 < dongs> how much delay are we talking about until it cuts off?
2012-11-14T07:44:25 < dongs> or rather, waht causes it? improper laod caps? or wat
2012-11-14T07:44:32 < emeb> dongs: no clue if it's a delay issue.
2012-11-14T07:44:49 < emeb> I still need to get my blinky test going first.
2012-11-14T07:44:57 < cdh> We measured the inner loop of the STM32F4 code by setting a breakpoint.  It only waits ~950 usec.
2012-11-14T07:44:58 < emeb> spending too much time jawing here. :)
2012-11-14T07:45:09 < cdh> It then disables HSE if it doesn't enable in that time.
2012-11-14T07:45:23 < dongs> right, i'd just do that and try hsi/hse, and try mco to see what its running at + read RCC_GetCLockConfiguration or wahtever and get the numbers, also try putting hclk/etc to MCO
2012-11-14T07:45:58 < cdh> Yeah, improper caps are what caused it in our case.  We were at about 1900 usec.  The discovery board came ready in about 65 usec.
2012-11-14T07:46:20 < emeb> cdh: improper - how?
2012-11-14T07:46:35 < emeb> too big/too small?
2012-11-14T07:47:35 < dongs> too blog
2012-11-14T07:47:56 < dongs> hmm ineed to make more of my usb.serial shits. i hate disconnecting them from stuff in progress just to do other shit
2012-11-14T07:48:13 < gnomad> emeb: do you use one of the concave tips that holds the solder?
2012-11-14T07:48:28 < cdh> Sorry, not improper.  Improperly chosen.  I have to admit I don't know what caps we ended up with, though we started with a couple 18pf
2012-11-14T07:50:32 < baird> Drag solder, not Drag Soldiers. Boooooooooo.
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2012-11-14T07:52:59 < emeb> gnomad: it's a T18-CF3 bevel tip. AFAICT it's not concave
2012-11-14T07:57:37 < dongs> i think i use 18pf for anything xtal related < 12mhz
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2012-11-14T07:59:13 < cdh> This board has a 25 MHz xtal.
2012-11-14T08:00:29 < dongs> ive bene vaguely following this: the rule of thumb is about like this:  47pf for 1MHz to 4MHz...  33pf for 4MHz to 12MHz or so, 22pf for 12MHz to 25MHz
2012-11-14T08:00:59 < dongs> without getting into too much wank about crystal load capacitance, calculating stuff, etc
2012-11-14T08:01:25 < emeb> I usually just go with the mfg recommended load for the given xtal.
2012-11-14T08:03:06 < dongs> reading datasheets? what is this you speak of
2012-11-14T08:04:13 < emeb> I know. I should turn in my Man License.
2012-11-14T08:06:30 < dongs> neat. dead bmp085
2012-11-14T08:06:36 < dongs> 1st one in like 400-ish
2012-11-14T08:06:37 < ds2> 47pF?
2012-11-14T08:06:40 < ds2> Hmmmmmmm
2012-11-14T08:10:15 < dongs> reflowed new one in, works
2012-11-14T08:10:19 < dongs> def a hosed chip.
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2012-11-14T08:10:28 < dongs> all solder pads were Ok.
2012-11-14T08:11:50 < dongs> in the trash it goes
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2012-11-14T08:20:36 < emeb> *plonk*
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2012-11-14T08:21:21 < dongs> the top cover did look kinda dodgy on it
2012-11-14T08:21:26 < dongs> not exctl centered
2012-11-14T08:21:38 < dongs> but i duno what tolerances are on that shit.
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2012-11-14T08:40:45 < emeb> oh yay. the GPIO API for the F3 is different from the F4.
2012-11-14T08:40:55 < emeb> I think I've heard that complaint here before...
2012-11-14T08:45:35 < zippe> The M4 is a bit more than that
2012-11-14T08:49:03 < emeb> It's not so bad - just re-arranged some registers a bit, renamed the various clocks to fit the bus layout.
2012-11-14T08:49:56 < emeb> Now my blinky code compiles. Need to figure out why I can't flash it...
2012-11-14T08:50:09 -!- emeb [~ericb@ip72-201-79-123.ph.ph.cox.net] has quit [Quit: Leaving.]
2012-11-14T08:52:44 < dongs> wat
2012-11-14T08:52:48 < dongs> more ragequit
2012-11-14T08:54:01 -!- emeb_mac [~ericb@72.201.79.123] has joined ##stm32
2012-11-14T08:59:20 < dongs> youre using opensauce tools arent you?
2012-11-14T08:59:24 < dongs> do they even support F3 flash yet?
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2012-11-14T09:12:14 < emeb_mac> dongs: you talkin' to me?
2012-11-14T09:13:09 < emeb_mac> yeah - I'm using bmpm to flash. I _believe_ that it supports F3 - I think zyp added F3 support a few days back.
2012-11-14T09:13:35 < emeb_mac> but I could be wrong.
2012-11-14T09:16:18 < dongs> who else uses opensauce stuffhere besides y ou? :)
2012-11-14T09:16:52 < emeb_mac> so ronery. :P
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2012-11-14T09:28:27 < jpa-> emeb_mac: what is the F3 gpio like? F1 or completely different?
2012-11-14T09:28:43 < emeb_mac> jpa-: looks pretty much like F1
2012-11-14T09:29:00 < emeb_mac> same BSRR, BRR, etc.
2012-11-14T09:29:08 < ds2>  
2012-11-14T09:30:12 < jpa-> emeb_mac: what about alternate function select? is there the AFIO number register?
2012-11-14T09:31:06 < emeb_mac> jpa-: haven't played with that yet. I imagine it's there though - there are AFs listed in the datasheet.
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2012-11-14T09:38:05 < jpa-> emeb_mac: good
2012-11-14T09:38:16 < dongs> AF is what I wanna know
2012-11-14T09:38:16 < jpa-> the F1 single "alternate" bit sucks
2012-11-14T09:38:22 < dongs> someone said AF is same as F4
2012-11-14T09:40:08 < emeb_mac> looking through the RM - looks like there are 4 bits per pin for AF.
2012-11-14T09:45:01 < jpa-> yeah, sounds like the L1/F2/F4 way
2012-11-14T09:46:00 < emeb_mac> time for zzz
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2012-11-14T09:51:54 < zyp> jpa-, yes
2012-11-14T09:53:29 < zyp> F3 is equal to F1 in most aspects, GPIO is one exception, where it's similar to the other ones instead
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2012-11-14T09:55:34 -!- mode/##stm32 [+v dekar_] by ChanServ
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2012-11-14T10:23:39 < jpa-> does someone have a great way of tracking memory leaks on stm32?
2012-11-14T10:28:32 < BusError> how can you leak memory? do you use some sort of dynamic allocator?
2012-11-14T10:32:05 < jpa-> of course
2012-11-14T10:32:35 < BusError> heh
2012-11-14T10:34:54 < jpa-> i have a window manager and multitasking GUI running on stm32f4; based on nuttx
2012-11-14T10:35:07 < jpa-> but it leaks 368 bytes per application run :P
2012-11-14T10:35:17 < jpa-> i guess dmalloc might be possible to port
2012-11-14T10:38:54 < cdh> Any chance 368 bytes is the size of a familiar struct?
2012-11-14T10:40:16 < zyp> do hooks on malloc and free, log them, then check which of the allocations that don't get freed
2012-11-14T10:40:20 < zyp> ?
2012-11-14T10:40:57 < jpa-> aha, in fact nuttx already has those hooks
2012-11-14T10:41:17 < jpa-> CONFIG_DEBUG_MM=y   here we go :)
2012-11-14T10:41:46 < cdh> I wrote an awk script some time ago which uses gdb to show a sorted list of struct sizes in an executable.
2012-11-14T10:42:14 < jpa-> it's not a single allocation; i already tried to break on malloc with condition size==268
2012-11-14T10:42:18 < jpa-> *368
2012-11-14T10:45:53 -!- Laurenceb_ [~Laurence@86.143.186.154] has joined ##stm32
2012-11-14T10:49:21 < jpa-> ah well, breakpoint in gdb with predefined commands is better, it easily shows the backtrace also
2012-11-14T10:49:43 < jpa-> and watching all those allocations roll by, i notice that i maybe should preallocate more message queue messages
2012-11-14T10:52:34 < zyp> :)
2012-11-14T10:53:16 < zyp> I'm considering just going with pools, not using a generic heap
2012-11-14T10:55:12 < jpa-> yeah, it is a good solution for applications that need only a few sizes of allocations
2012-11-14T10:56:33 < zyp> no problem making pool which does variable sized allocations
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2012-11-14T10:59:26 < zippe> zyp: that's also called a heap
2012-11-14T10:59:39 -!- esden [esden@repl.esden.net] has joined ##stm32
2012-11-14T11:00:32 < zippe> jpa-: I think I'm going to give Greg a heart attack with my next diff
2012-11-14T11:03:03 -!- Laurenceb_ [~Laurence@86.143.186.154] has quit [Ping timeout: 245 seconds]
2012-11-14T11:04:43 < dongs> chatspace
2012-11-14T11:07:45 -!- dekar_ [~dekar@212.255.38.82] has quit [Quit: This computer has gone to sleep]
2012-11-14T11:07:50 < jpa-> zippe: you fix all the problems of nuttx in a single patch?
2012-11-14T11:08:04 < jpa-> http://koti.kapsi.fi/jpa/stuff/other/mem1.log   spot the error :)   (or don't, I did already)
2012-11-14T11:15:08 -!- Steffanx [~Steffanx@ip4da726ae.direct-adsl.nl] has joined ##stm32
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2012-11-14T11:15:25 <+Steffanx> nu
2012-11-14T11:31:01 < tkoskine> jpa-: looks like 0x10005b20, 0x10005bc0, 0x10005c50, 0x100060a0, 0x10006170, and 0x100068b0 are not freed.
2012-11-14T11:35:35 < jpa-> correct :)
2012-11-14T11:35:59 < jpa-> and 5b20 was actually the real bugger, when it was deleted, it released the others also
2012-11-14T11:36:42 < jpa-> (and 68b0 was actually a singleton that is allocated on first use and never freed by design)
2012-11-14T11:37:25 < cdh> Run this on your log:  http://cdh.ods.org/stm32/leak.awk
2012-11-14T11:38:40 < cdh> It'd be trivial to extend to catch double and invalid frees
2012-11-14T11:38:56 < tkoskine> I used very similar Perl script: http://pastebin.ca/2251452
2012-11-14T11:39:07 < jpa-> nice
2012-11-14T11:39:34 < jpa-> i used     grep -o '= 0x........' mem1.log | sort | uniq -c | sort -g     and checked the odd numbers
2012-11-14T11:40:14 < jpa-> Steffanx should make a wiki entry on how to resolve memory leaks on stm32 :)
2012-11-14T11:40:21 < cdh> Sweet.  I like the Perl script.
2012-11-14T11:40:56 <+Steffanx> To bad jpa- is not my boss, so I don't get paid for doing it, so i won't :P
2012-11-14T11:40:59 <+Steffanx> *Too
2012-11-14T11:41:04 < jpa-> ok ok, i'll write one
2012-11-14T11:42:27 <+Steffanx> Good boy
2012-11-14T12:01:05 -!- zippe [~Adium@173.11.99.161] has quit [Quit: Leaving.]
2012-11-14T12:09:03 -!- Erlkoenig [~erlkoenig@194.95.66.1] has joined ##stm32
2012-11-14T12:19:51 < jpa-> back from lunch :)
2012-11-14T12:19:53 < jpa-> http://stm32.izua.ro/wiki/Memory_leaks
2012-11-14T12:30:23 < Laurenceb> neatr
2012-11-14T12:34:57 <+Steffanx> Indeedr
2012-11-14T12:35:15 < dongs> failr
2012-11-14T12:35:19 < dongs> cuz gdb only
2012-11-14T12:35:20 < dongs> !!
2012-11-14T12:35:30 < dongs> also who the fuck uses libc malloc() on embedded?
2012-11-14T12:35:37 < dongs> just roll your own then you can keep track of memleaks
2012-11-14T12:35:39 < dongs> without opensauce
2012-11-14T12:35:55 < dongs> can you tell libc malloc to allocate shit inside CCM only on F4 for example?
2012-11-14T12:35:56 < dongs> nuuh.
2012-11-14T12:36:12 < jpa-> it's easier to keep track of the mallocs in a gdb lock than on the system itself
2012-11-14T12:36:33 < dongs> why are you allocating/deallocating that much memory anyway
2012-11-14T12:36:38 < jpa-> and all embedded libc mallocs allow configuring the memory areas
2012-11-14T12:36:45 < jpa-> complex GUI
2012-11-14T12:37:55 < dongs> http://uk.farnell.com/jsp/search/productdetail.jsp?SKU=2063627&MER=baynote-2063627-pr
2012-11-14T12:37:58 < dongs> haha what is this trash
2012-11-14T12:38:18 <+Steffanx> ?
2012-11-14T12:38:22 <+Steffanx> A beaglebone ..
2012-11-14T12:38:34 < dongs> in a tarduino form factor?
2012-11-14T12:38:54 <+Steffanx> No, double pin row vs single row?
2012-11-14T12:40:32 < zyp> that's no more arduino form factor than the discovery boards are
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2012-11-14T12:44:48 < Laurenceb> beaglebone pwns
2012-11-14T12:48:17 < karlp> double row is a pain in the arse.
2012-11-14T12:48:32 < karlp> trying to get some things that work identically on f100 disco, l1 disco and f4 disco
2012-11-14T12:52:31 < Laurenceb> yeah
2012-11-14T12:52:43 < Laurenceb> spent ages hacking a stripboard breakout for F4
2012-11-14T12:53:41 < zyp> well, the alternative is half the signals or twice the length of the board
2012-11-14T13:06:05 < karlp> I'd be ok with not having everything under the sun broken out.
2012-11-14T13:06:20 < karlp> first world problems though
2012-11-14T13:13:45 <+Steffanx> of course
2012-11-14T13:17:10 -!- BjoernC [~BjoernC@b071.apm.etc.tu-bs.de] has joined ##stm32
2012-11-14T13:18:08 < Laurenceb> how do i find the line number of the first line beginning with '0' ?
2012-11-14T13:18:16 < Laurenceb> using sed or whatyever?
2012-11-14T13:20:35 < Laurenceb> oh
2012-11-14T13:20:45 < Laurenceb> sed -n '/0.0/=' l<file> | head -n 1
2012-11-14T13:22:49 < karlp> grep -n 'pattern' | head -1 too...
2012-11-14T13:32:46 < dongs> http://i.imgur.com/NJqcD.jpg
2012-11-14T13:33:07 <+Steffanx> :)
2012-11-14T13:41:13  * Laurenceb fails at scripting
2012-11-14T13:41:15 < Laurenceb> if ['0'==$(echo $lines | wc -l)]; then
2012-11-14T13:41:23 < Laurenceb> whats wrong with that?
2012-11-14T13:56:24 <+Steffanx> I guess your personal assisted isn't online atm
2012-11-14T13:58:59 < karlp> moah spaces!
2012-11-14T13:59:27 < karlp> don't you _need_ them around the [ and ] ?
2012-11-14T14:00:56 < zyp> I think so
2012-11-14T14:02:45 < Laurenceb> fixed it now, nvm
2012-11-14T14:02:56 < Laurenceb> lines=$(sed -n '/0.0/=' $1 | head -n 1)
2012-11-14T14:02:56 < Laurenceb> if [[ $lines == '' ]]; then
2012-11-14T14:02:56 < Laurenceb> 	lines='0'
2012-11-14T14:02:56 < Laurenceb> fi
2012-11-14T14:07:50 < Laurenceb> dongs:  http://www.sickipedia.org/joke/view/575256
2012-11-14T14:08:23 <+Steffanx> haha *not*
2012-11-14T14:09:19 <+Steffanx> Laurenceb should ask Jimmy Carr for example how to tell good jokes :P
2012-11-14T14:09:45 < Laurenceb> or maxine
2012-11-14T14:10:11 < Laurenceb> http://www.sickipedia.org/joke/view/338872
2012-11-14T14:10:39 < dongs> funny level: 2 girls 1 cup
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2012-11-14T14:12:00 <+Steffanx> Wonder if people who laugh about that really think it's funny, or just don't know how to react, so they start laughing
2012-11-14T14:13:35 < Laurenceb> http://www.sickipedia.org/joke/view/1226537
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2012-11-14T14:15:07 <+Steffanx> They have to rename the category.. 'joke' isn't really the category the texts you post links to should be in
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2012-11-14T14:40:28 < dongs> is there a better way to do blocking uart
2012-11-14T14:40:33 < dongs> while (!(USART6->SR & USART_FLAG_TC));
2012-11-14T14:40:34 < dongs> than this
2012-11-14T14:43:24 < zyp> better how?
2012-11-14T14:44:51 < jpa-> i wonder if bmp would be faster with breakpoint commands.. now i'm limited to 2 mallocs per second :)
2012-11-14T14:50:53 < dongs> zyp,  idont know.
2012-11-14T14:51:02 < dongs> is that code ALWAYS going to take x cpu cycles
2012-11-14T14:51:08 < dongs> assuming uart timing is same?
2012-11-14T14:55:42 < dongs> http://bcas.tv/paste/results/UMUeHd88.html
2012-11-14T14:55:51 < dongs> i.e. i do 4 identical things over usart
2012-11-14T14:55:57 < dongs> and measure cycle counter
2012-11-14T14:56:10 < dongs> the variance is like +- 500-1000 cycles
2012-11-14T14:56:13 < dongs> thats a lot, isnt it
2012-11-14T14:56:18 < dongs> for linear code without interrupts etc
2012-11-14T14:57:29 <+Steffanx> Only one way to find out jpa- :P
2012-11-14T15:03:09 < dongs> hmm
2012-11-14T15:03:56 < zyp> dongs, nah
2012-11-14T15:04:43 < dongs> nah wat?
2012-11-14T15:04:43 < zyp> remember that uart clock is divided down, so a difference of one uart cycle will be a bunch of cpu cycles
2012-11-14T15:04:54 < dongs> right
2012-11-14T15:04:55 < dongs> but
2012-11-14T15:05:13 < dongs> 1000 cycles?
2012-11-14T15:05:29 < zyp> well, what baudrate are you using?
2012-11-14T15:05:35 < zyp> and what is the sysclock?
2012-11-14T15:05:40 < dongs> 21504
2012-11-14T15:05:43 < dongs> 168mhz
2012-11-14T15:07:05 < zyp> I'm not sure how your mode works, but usually uart clock is 16x baudrate or something like that
2012-11-14T15:07:57 < zyp> 168MHz / (16 * 21504) is approx 500
2012-11-14T15:08:31 < dongs> hmmm.
2012-11-14T15:08:36 < zyp> so it sounds pretty reasonable to me
2012-11-14T15:09:07 < dongs> hmm
2012-11-14T15:09:15 < dongs> so thats 1 bit?
2012-11-14T15:09:32 < dongs> (500 cycles)
2012-11-14T15:09:42 < zyp> no, 1/16 of a bit
2012-11-14T15:09:48 < dongs> 500 cycles is 1/16?
2012-11-14T15:10:00 < zyp> yes
2012-11-14T15:10:01 < dongs> hmm..
2012-11-14T15:10:13 < dongs> i guess i really need to setup input capture  then
2012-11-14T15:10:17 < dongs> on I/O going down
2012-11-14T15:11:29 < dongs> thing is.. multiple debug runs
2012-11-14T15:11:32 < dongs> results are same
2012-11-14T15:11:35 < dongs> as in... same values
2012-11-14T15:11:43 < dongs> but they're different between multiple runs
2012-11-14T15:11:52 < zyp> and since sender and receiver is not derived from the same clock, they are not kept in phase, so jumping around a bit is normal
2012-11-14T15:12:29 < dongs> like, lets say I run 16 repeats of same stuff, right
2012-11-14T15:12:40 < dongs> delta between each run will be +- 500
2012-11-14T15:12:45 < dongs> but if I reset cpu
2012-11-14T15:12:48 < dongs> or power down/wahtever
2012-11-14T15:12:51 < dongs> and rerun exactly same stuff
2012-11-14T15:12:56 < dongs> the deltas will be identical
2012-11-14T15:13:09 < dongs> (identically off etc).
2012-11-14T15:13:13 < dongs> +- 500 bla
2012-11-14T15:14:05 < zyp> maybe it's interaction between what happens on cpu and what happens on uart then
2012-11-14T15:15:15 < dongs> ive already cleaned up pretty much everything i could think of that would cause variations.
2012-11-14T15:15:37 < zyp> does it matter?
2012-11-14T15:15:40 < dongs> yes
2012-11-14T15:16:24 < zyp> if it does matter, you are probably doing something dumb
2012-11-14T15:16:44 < dongs> how s o
2012-11-14T15:17:16 < zyp> why does it matter?
2012-11-14T15:17:46 < dongs> becausae i need to time execution
2012-11-14T15:17:56 < zyp> execution?
2012-11-14T15:18:03 < dongs> of  the command over usart.
2012-11-14T15:18:09 < dongs> until reply.
2012-11-14T15:18:53 < dongs> o crap
2012-11-14T15:20:36 < zyp> with what resolution?
2012-11-14T15:20:39 < zyp> and for what purpose?
2012-11-14T15:20:44 < dongs> i think i got it
2012-11-14T15:20:53 < dongs> i fucked up, iwas calculating delta AFTER receiving ALL of reply
2012-11-14T15:21:00 < dongs> instead, i now trigger it off 1st byte reply
2012-11-14T15:21:06 < dongs> since reply is variable length...
2012-11-14T15:21:07 < dongs> duhhr
2012-11-14T15:21:12 < zyp> heh
2012-11-14T15:21:22 < dongs> now its fairly stable as I would expect
2012-11-14T15:21:43 < dongs> http://bcas.tv/paste/results/JLosCe40.html
2012-11-14T15:21:55 < dongs> the +400 variation is expected.
2012-11-14T15:22:12 < dongs> but odd/even being very close is better
2012-11-14T15:36:46 -!- DaKu is now known as daku
2012-11-14T15:36:57 <+Steffanx> open sores fail: rsnapshot.org
2012-11-14T15:37:07 -!- daku is now known as DaKu
2012-11-14T15:38:05 < dongs> whats it doing, showing ruby on fales errors?
2012-11-14T15:38:06 < dongs> hah
2012-11-14T15:38:10 < dongs> expierd domain?
2012-11-14T15:38:18 < dongs> what was there
2012-11-14T15:38:32 <+Steffanx> everything from the rsnapshot project.
2012-11-14T15:44:02 < Laurenceb> http://www.theregister.co.uk/2012/11/14/obama_sucker_punch_scam/
2012-11-14T15:44:07 < Laurenceb> dongs would fall for that
2012-11-14T15:44:58 <+Steffanx> Just like every average facebook fan
2012-11-14T15:45:00 < zyp> right
2012-11-14T15:45:02 <+Steffanx> left
2012-11-14T15:45:22 <+Steffanx> I bet you fell for his Last Measure website as well Laurenceb
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2012-11-14T15:45:50 <+Steffanx> At least, the internet claims that's dongs's work
2012-11-14T15:46:41 < Laurenceb> lol
2012-11-14T15:46:45 < Laurenceb> thats actually true
2012-11-14T15:46:49 < Laurenceb> i did :(
2012-11-14T15:46:49 <+Steffanx> but i can't believe dongs does JavaScript etc. so ....
2012-11-14T15:46:55 < Laurenceb> took ages to get rid of it
2012-11-14T15:48:00 < Laurenceb> gay looping clips _everywhere_
2012-11-14T15:52:50 < Laurenceb> guess hes repaid me by helping with stm projects...
2012-11-14T15:53:16 < dongs> Laurenceb: stencils for blogger submitted..
2012-11-14T15:53:21 < dongs> end of week ill make a board with SD on it
2012-11-14T15:53:26  * Laurenceb has his firgelli linear actuators
2012-11-14T15:53:38 < Laurenceb> trying to modify to 15v
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2012-11-14T15:59:18 < Laurenceb> looks like it might use a pic16f
2012-11-14T15:59:25 < Laurenceb> glue over everything
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2012-11-14T16:08:56 < Laurenceb> looks like mosfet H bridge using 2x p channel and 2x n
2012-11-14T16:09:20 < Laurenceb> with 3v3 regulated rail for the micro
2012-11-14T16:09:26 < Laurenceb> might overvolt with no mods
2012-11-14T16:11:03 < Laurenceb> here goes...
2012-11-14T16:16:23 < Laurenceb> working at 9v   XD
2012-11-14T16:18:25 < Laurenceb> hope they didnt use a cheap vreg
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2012-11-14T16:19:07 < Laurenceb> working at 12V
2012-11-14T16:22:25 < qyx_> and finally smoked at 15V
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2012-11-14T16:53:29 < Laurenceb> http://www.youtube.com/watch?v=9Ej9QOOGkWQ&list=UUl9OJE9OpXui-gRsnWjSrlA&index=48&feature=plcp
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2012-11-14T17:10:57 <+Steffanx> That guy is crazy
2012-11-14T17:11:13 <+Steffanx> but at least you can listen better to him than that australian guy :)
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2012-11-14T18:18:57 < dan2003> Anybody know of a way to remove flash write protection on an stm32f102 under linux? I have 2 stm32vl discoverys hooked together, am trying to re-progrsm the stlink part of the 2nd with the first, but openocd fails saying the flash is write protected
2012-11-14T18:19:13 < dan2003> sorry - stm32f103
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2012-11-14T18:29:36 < Laurenceb> can i read flash using gdb?
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2012-11-14T18:31:14 < jpa-> dan2003: maybe some of these? http://stackoverflow.com/a/7941002/914716
2012-11-14T18:31:28 < jpa-> dan2003: 'st-flash erase'  with texane/stlink  could work also
2012-11-14T18:31:43 < jpa-> or if all else fails boot0, usart1 and stm32flash -u
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2012-11-14T18:44:50 < Laurenceb> hmm i could make a servo controller using the L1discovery touch slider demo code
2012-11-14T18:46:37 < Laurenceb> not sure if i can be bothered...
2012-11-14T18:50:43 < Laurenceb> ooh they have a slider example
2012-11-14T18:50:51 < Laurenceb> might be quite easy
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2012-11-14T18:57:37 < Laurenceb> rage
2012-11-14T18:57:51 < Laurenceb> linear actuator oscillates above 8v
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2012-11-14T19:35:24 < Laurenceb> additional relocation overflows omitted from the output
2012-11-14T19:35:46 < Laurenceb> icc_measure_Ram.c:(.data+0x92): relocation truncated to fit: R_ARM_THM_CALL against `__NOP'
2012-11-14T19:35:48 < Laurenceb> ^wut?
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2012-11-14T19:42:06 < Laurenceb> nvm fixed it
2012-11-14T19:42:08 < Laurenceb> wtf
2012-11-14T19:42:29 < Laurenceb> 21KB for the demo - the image of the board is 23KB
2012-11-14T19:42:37 < Laurenceb> bbl
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2012-11-14T20:18:37 < baird> What's the Knowledge about the CooCox stuff, particular with the claim of being FOSS?
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2012-11-14T20:58:58 < baird> nm, grepped logs
2012-11-14T20:59:12 < emeb> what's the answer?
2012-11-14T21:00:21 < zippe> jpa-: heh, hardly
2012-11-14T21:00:32 < zippe> jpa-: just trying ot make the build system suck less	
2012-11-14T21:01:12 < jpa-> zippe: ah; what is your approach?
2012-11-14T21:04:19 < zippe> jpa-: firstly, factoring out the gazillion Make.defs
2012-11-14T21:04:44 < zippe> Since they are almost all byte-for-byte identical for a given CPU architecture
2012-11-14T21:05:12 < zippe> That's mostly just a warmup though
2012-11-14T21:05:38 < zippe> Greg is off making a terrible mess with his attempts to add "windows-native" build support
2012-11-14T21:06:04 < zippe> I have next week off, going to try a sprint to see if I can't get past him
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2012-11-14T21:06:38 < jpa-> i wonder what "windows-native" is supposed to be
2012-11-14T21:07:05 < jpa-> it built fine with mingw, though mingw make is awfully slow
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2012-11-14T21:25:31 < baird> emeb: "Coocox - unstable, clients want me to use it, .."
2012-11-14T21:25:57 < baird> "ripping off eclipse, BSD licenced."
2012-11-14T21:27:31 < baird> The CooOS kernel looks usable, maybe.
2012-11-14T21:28:36 <+Steffanx> even dongs liked it iirc
2012-11-14T21:35:35 < zippe> jpa-: meaning, calling cmd.exe instead of sh, etc.
2012-11-14T21:35:54 < zippe> CoOS is a totally different thing vs. NuttX
2012-11-14T21:36:14 < zippe> NuttX is a tiny Posix system.  The obvious transition path would be to eCos if anywhere.
2012-11-14T21:36:21 < zippe> But eCos is not very active either.
2012-11-14T21:40:35 < jpa-> CooCox discussion is a totally separate one from our nuttx discussion, i guess :)
2012-11-14T21:41:20 < jpa-> zippe: ah; i would think that some more modern build system would be better choice than trying to port makefile helper scripts to windows
2012-11-14T21:49:05 < zippe> jpa-: the problem with hipster build systems is that they get written by people with limited experience building complicated software
2012-11-14T21:49:30 < zippe> jpa-: so something like 'tup' for example is a nice CS exercise, but it's worthless for something like an embedded operating system
2012-11-14T21:49:36 < jpa-> true, but surely not all of them are so bad
2012-11-14T21:49:44 < zippe> jpa-: you'd be surprised
2012-11-14T21:49:55 < jpa-> i've been surprised trying to make sense of it :D
2012-11-14T21:49:56 < zippe> jpa-: and the ones that are properly flexible are horrible
2012-11-14T21:50:04 < zippe> Try scons or waf or maven someday
2012-11-14T21:50:09 < zippe> They will all make you cry
2012-11-14T21:50:18 < jpa-> btw, what is your name on the forum?
2012-11-14T21:50:26 < zippe> cmake is the best of the bunch, though it's actually a generator rather than a builder
2012-11-14T21:51:34 < zippe> I've been looking at gyp, but I don't think it's mature enough yet.
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2012-11-14T21:56:07 < zippe> plus the syntax is incredibly bad
2012-11-14T21:57:06 < zyp> I don't find scons to be so horrible
2012-11-14T22:01:29 < zippe> It requires a lot of discipline to avoid having the configuration turn into a disaster.
2012-11-14T22:01:57 < zippe> Because it's just Python, people get all sorts of cute ideas
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2012-11-14T22:02:21 < zyp> like mine? :p
2012-11-14T22:02:22 < zippe> I like the ninja approach; the builder is just a builder; the generator is where you put the smarts
2012-11-14T22:02:56 < zippe> Hmm, I was thinking of one at work that was making four sqlite queries every time a variable was expanded
2012-11-14T22:03:12 < jpa-> zippe: i don't think scons could be any more disaster than NuttX makefiles; those already use all the tricks :D
2012-11-14T22:03:49 < zyp> I'm so far rather happy with how my scons stuff for my mcu stuff turned out
2012-11-14T22:03:58 < jpa-> symlinks, multiple make phases, cross-directory including makefiles, crazy shell scripts generating CFLAGS, ...
2012-11-14T22:04:13 < zippe> jpa-: the NuttX makefiles are actually pretty simple as far as make goes
2012-11-14T22:04:20 < zippe> The kconfig stuff is a drive-by disaster
2012-11-14T22:04:39 < zippe> It lacks any sort of procedural target generation
2012-11-14T22:04:50 < zippe> So it falls on the 'simple' end of the spectrum
2012-11-14T22:05:05 < jpa-> ok, as far as make goes :)
2012-11-14T22:05:20 < jpa-> i'm glad no-one decided to introduce autotools
2012-11-14T22:05:25 < zippe> zyp: scons with a single developer is not a problem, or with a disciplined build owner
2012-11-14T22:06:13 < zyp> like most development? :)
2012-11-14T22:07:29 < zyp> http://cgit.jvnv.net/laks_demo/tree/SConstruct?h=usb_cdc_acm <- I'm rather happy with how it turned out from the end user perspective
2012-11-14T22:08:20 < zyp> when I add more compile time configuration, I can just add more functions that modify the environment
2012-11-14T22:08:53 < zippe> Sure, and as long as your project remains simple, that's fine
2012-11-14T22:09:45 < zippe> I have a make-based thing here that generates 1100+ built products
2012-11-14T22:10:46 < jpa-> how many days does it take to run?
2012-11-14T22:10:48 < zippe> That's four basic components permuted three ways (debug, factory, release) for each of nearly 100 different targets
2012-11-14T22:11:09 < zippe> it builds in ~28 minutes 8-way parallel on a reasonably current iMac
2012-11-14T22:12:07 < zyp> my system works okay for building several components for several targets as well
2012-11-14T22:14:08 < zippe> Yes, and as long as "several" is a small number with limited variation between each target, you'll be fine
2012-11-14T22:15:22 < zyp> http://paste.jvnv.net/view/0gdGX <- I did a working test that looks like this
2012-11-14T22:16:08 < zyp> generates stm32f1/demo.elf and stm32f4/demo.elf
2012-11-14T22:16:15 < baird> The NetBSD kernel and userland source tree is 6700+ makefiles..
2012-11-14T22:16:40 < baird> Takes about 90 minutes to building everything on a 6-core Athlon. :)
2012-11-14T22:17:05 < baird> (..and like 3 days on a Raspberry Pi :P)
2012-11-14T22:17:24 < zyp> I'm planning to do a repo where I have all examples in subdirs and then rules to build all examples for all supported targets
2012-11-14T22:17:47 < zippe> Yeah, my make usage is influenced heavily by many years of bsd.*.mk
2012-11-14T22:17:59 < zippe> However, GNU make has a number of abilities that you can never let go of
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2012-11-14T22:20:31 < zippe> e.g. consider something like this:
2012-11-14T22:20:32 < zippe> export STANDARD_ACTIONS :=      build install library_list
2012-11-14T22:20:32 < zippe> APPLICATION_TEMPLATE    :=      $(addprefix %-,$(MAKE_APPLICATIONS))
2012-11-14T22:20:32 < zippe> ACTIONS                 :=      $(foreach action,$(STANDARD_ACTIONS),$(addprefix $(action)-,$(MAKE_APPLICATIONS)))
2012-11-14T22:20:53 < zippe> Now we have a list of build-APPLICATION install-APPLICATION etc. for each APPLICATION in MAKE_APPLICATIONS
2012-11-14T22:21:12 < zippe> And now let's have lots of submakes building each one:
2012-11-14T22:21:14 < zippe> $(ACTIONS):     action          =       $(word 1, $(subst -, ,$@))
2012-11-14T22:21:14 < zippe> $(ACTIONS):     application     =       $(word 2, $(subst -, ,$@))
2012-11-14T22:21:14 < zippe> $(ACTIONS):
2012-11-14T22:21:14 < zippe>         @echo "%%%%%% $(action) $(application)"
2012-11-14T22:21:14 < zippe>         @$(MAKE) $(MAKEJOBS) -f apps/$(application)/$(application).mk $(action) APPLICATION=$(application) MAKEPHASE=$(action)
2012-11-14T22:21:32 < Laurenceb_> what the fuuuuuuuuu
2012-11-14T22:21:48 < zippe> Hello functional programming
2012-11-14T22:22:24 < baird> Prolog? In My Makefiles?
2012-11-14T22:22:28 < zyp> I find python to be more readable than that :)
2012-11-14T22:22:45 < zippe> zyp: you can't do this (easily) with scons
2012-11-14T22:23:31 < jpa-> why not?
2012-11-14T22:23:33 < zyp> I can't do what easily?
2012-11-14T22:23:57 < zippe> the behaviour of lists on the LHS of a rule
2012-11-14T22:24:22 < baird> A guy I knew at Uni (we did the 'hack every system and use them to calculate Pi!' challenge :) did a Prolog-esque make replacement as a Masters project.
2012-11-14T22:25:05 < zippe> Nested further down in this build, there's a similar call that I'm not going to bother pasting (it's much messier) that has ~400 items in the list on the LHS
2012-11-14T22:25:09 < jpa-> zippe: nothing stops you from creating rules in a loop
2012-11-14T22:25:39 < zippe> jpa-: yes, I know; I could do that with $(foreach) here too.  That's not quite the same thing
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2012-11-14T22:26:00 < zippe> Here I have one rule that applies to N targets, with parameters computed for each target at invocation time
2012-11-14T22:26:15 < zyp> zippe, I'm sorry, I haven't been using make for some time, what does having lists on LHS do?
2012-11-14T22:26:24 < zippe> They're like templates
2012-11-14T22:26:37 < jpa-> true; but that is just a small memory saving if i understand correctly?
2012-11-14T22:26:42 < zippe> It's not about memory
2012-11-14T22:26:49 < zippe> It's about clarity and maintainability
2012-11-14T22:26:54 < zippe> I can buy memory, that's not a problem
2012-11-14T22:27:13 < jpa-> what does it matter if there are 1 rule or 1000 rules in runtime, if there is only 1 rule in the build file?
2012-11-14T22:27:13 < zippe> If I have to go back and fix something after someone failed to understand it, or I can't express a needed change simply, that costs time
2012-11-14T22:27:32 < zippe> jpa-: the code to generate those rules isn't as straightforward as you'd like
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2012-11-14T22:28:02 < jpa-> ok; can't say about that, but looking at zyp's examples i would expect it to be quite clean
2012-11-14T22:28:59 < jpa-> your rules aren't exactly straightforward either
2012-11-14T22:29:58 < zyp> I like the ability to write functions, that take arguments and does something with them at invocation time
2012-11-14T22:30:12 < zyp> like the SelectMCU() and Firmware() functions
2012-11-14T22:30:46 < zippe> At some point I guess I just have to say that I've been doing this for something like two decades, and that I play with a lot of build tools, and I'm still looking for something that lets me express what I'm trying to do as succinctly as make.
2012-11-14T22:31:20 < zippe> And that anything I say has to be considered as just my opinion from that perspective.  It may well be that you see things differently; that's fine. 8)
2012-11-14T22:32:06 < jpa-> a master with his tool is always better than a novice with any tool :)
2012-11-14T22:32:27 < zyp> zippe, the perspective thing goes for me too
2012-11-14T22:34:04 < zyp> I was quite fond of python even before I started using scons, so I find the ability to add logic to it with python appealing
2012-11-14T22:37:01 < baird> Epic Old Person Computer Tales: with that hack-campus-computers calculate-Pi story, we ended up going about 125,000 decimal digital (this was back in the days of 20MHz SunOS machines and 500kB student disk quotas..) and line-printed out the first 50,000 digital and made a poster of it for the terminal lab wall. About a week later, the poster was nicked by the Maths Dept staff and hung up in their wing of the building for the rest
2012-11-14T22:37:02 < baird> of the year..
2012-11-14T22:48:39 < Laurenceb_> BrainDamage: so i devised a 1fA/sqrt(Hz) photodiode front end
2012-11-14T22:48:43 < Laurenceb_> it has one component
2012-11-14T22:48:54 < Laurenceb_> a max4477 opamp
2012-11-14T22:49:30 < Laurenceb_> output -> adc, non inverting input -> pwm pin, inverting input -> output through photodiode
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2012-11-14T22:52:18 < Laurenceb_> the pwm pin is pulsed to reset the circuit
2012-11-14T23:06:48 < baird> Gah. s/digital/digits/
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2012-11-15T00:58:07 < baird> Must be time for an 8AM D O  N   G    S
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2012-11-15T01:22:09 < dongs> sup trolls
2012-11-15T01:22:18 < dongs> baird: i was up at 7.something
2012-11-15T01:22:56 < zyp> 7.59
2012-11-15T01:25:14 < baird> Proceed with the daily donging
2012-11-15T01:25:39 < Laurenceb_> trolladay
2012-11-15T01:27:06 < zyp> well, time for me to go to bed then
2012-11-15T01:27:54 < dongs> Heh
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2012-11-15T01:30:32 < bcsllc-steve> dongs !
2012-11-15T01:31:01 < dongs> dongs!
2012-11-15T01:39:05 < dongs> http://www.miamiherald.com/2012/11/13/3095844/man-apparently-kills-himself-over.html haha
2012-11-15T01:39:10 < dongs> srs biz
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2012-11-15T02:25:08 < emeb> srsly
2012-11-15T02:26:41 < dongs> k, snagged tarduino.cc
2012-11-15T02:26:45 < dongs> now to figure out what ot put on it
2012-11-15T02:28:05 -!- upgrdman [~upgrdman@blender/artist/upgrdman] has quit []
2012-11-15T02:39:04 < emeb> that's awesome!
2012-11-15T02:39:27 < emeb> btw - stellaris lunchpad in da house.
2012-11-15T02:43:02 < dongs> http://tarduino.cc/
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2012-11-15T03:10:21 < ds2> oh how I hate IAR
2012-11-15T03:15:15 < dongs> I agree, their IDE is horrible
2012-11-15T03:15:34 < dongs> they should just license vstudio and make it use their compiler, like atmel did.
2012-11-15T03:17:27 < ds2> make it commandline based and loose that workspace crap
2012-11-15T03:17:33 < ds2> a nice simple makefile
2012-11-15T03:18:01 < ds2> think we blew maybe 20% of the F3 seminar on IAR issues... I know I wasted about 30% of it cuz that damn PoS installs 234823482309840921840932480913284092384098 irrelevant files
2012-11-15T03:19:20 < ds2> really wish they did not make the F3 seminar so IAR centric
2012-11-15T03:23:45 < emeb> lol, dongs
2012-11-15T03:24:34 < emeb> ds2: did you learn anything in the F3 seminar besides that you hate IAR?
2012-11-15T03:27:11 < ds2> emeb: yes... the analog block on that thing is really nice
2012-11-15T03:27:25 < dongs> we knew that before we started
2012-11-15T03:27:26 < ds2> I wish it had a companion CPLD block on it... it'd add prefection to the chip
2012-11-15T03:27:30 < dongs> heh
2012-11-15T03:27:40 < dongs> isnt there some trash from actel etc
2012-11-15T03:27:43 < ds2> but it seems to lack a FMSC
2012-11-15T03:27:44 < dongs> with logic
2012-11-15T03:27:51 < ds2> not as big as the actel stuff
2012-11-15T03:28:01 < ds2> something like maybe 2 22V10 sized blocks
2012-11-15T03:28:14 < dongs> heh
2012-11-15T03:28:31 < ds2> the ADI ARM chips ahve that
2012-11-15T03:29:09 < ds2> i am really tempted to do a F4 uCLinux board (I assume the F4 has all the good stuff in the F3, just faster and better)
2012-11-15T03:29:32 < ds2> one disappointing thing I did learn is the 1.8V option is only available as a special part :(
2012-11-15T03:29:41 < Bird|lappy> heh. I didn't know the ADI ARMs had CPLD blocks on 'em
2012-11-15T03:30:13 < ds2> i learned that from a seminar a few years ago...that's why I goto these things
2012-11-15T03:30:45 < dongs> so what waould a typical tarduino user do if they wanted to measure nA changes in power consumption
2012-11-15T03:31:02 < ds2> i should have asked them why they don't do a BGA144 footprint compatible w/the F1 version of the F3
2012-11-15T03:31:12 < ds2> use an opamp
2012-11-15T03:31:12 < ds2> :)
2012-11-15T03:31:57 < dongs> F303 is supposed to be pin compatible to F1.
2012-11-15T03:32:02 < dongs> F373 is not, dirty fuckers.
2012-11-15T03:32:10 < ds2> not for the BGA144 package
2012-11-15T03:32:27 < ds2> there is no BGA144 package for the F3's or at least they didn't mention it today
2012-11-15T03:34:54 < dongs> shit only shows lqfp
2012-11-15T03:34:55 < dongs> in datasheet
2012-11-15T03:34:58 < dongs> wtfak
2012-11-15T03:35:08 < ds2> there is suppose to be a BGA100 package
2012-11-15T03:35:13 < dongs> i wonder what are the chances of running F3 at 144mhz
2012-11-15T03:35:42 < ds2> right now? probally little... in a few years...
2012-11-15T03:35:50 < dongs> well
2012-11-15T03:35:54 < dongs> F1 runs at 128 no problem
2012-11-15T03:35:56 < dongs> spec'd at 72
2012-11-15T03:36:03 < ds2> but not when it was initially released, right?
2012-11-15T03:36:13 < dongs> why would that matter?
2012-11-15T03:36:30 < ds2> the process for the F3 might not be mature
2012-11-15T03:36:34 < dongs> i doubt they changed silicon besides adding more errata
2012-11-15T03:36:41 < dongs> in F1 from release date till now
2012-11-15T03:36:54 < dongs> if anything, it'd be smaller process, no?
2012-11-15T03:37:12 < ds2> the analog stuff might have forced a different process
2012-11-15T03:39:26 < ds2> otherwise, I don't see why they don't do a 144 F3 like the F4
2012-11-15T03:39:38 < ds2> don't they also have fast flash ?
2012-11-15T03:39:47 < zippe> ds2: uCLinux on the F4 would be OK as long as it had external storage
2012-11-15T03:40:04 < zippe> ds2: but if you are going to go there, the LPC43xx is probably a better part
2012-11-15T03:40:09 < ds2> zippe: yep. uSD + F4 + PSRAM is what I am thinking of
2012-11-15T03:40:15 < ds2> zippe: what's better about the LPC43xx?
2012-11-15T03:40:34 < zippe> Faster, arguably less dumber peripherals 8)
2012-11-15T03:40:34 < dongs> sdram controller I guess
2012-11-15T03:40:50 < dongs> less dumber?
2012-11-15T03:40:51 < ds2> but then there is the Actel stuff
2012-11-15T03:42:54 < dongs> noone actually uses actel
2012-11-15T03:42:59 < dongs> except chinese clones of shit
2012-11-15T03:43:08 < zippe> Well, Actel were bought by Microsemi
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2012-11-15T03:43:14 < zippe> ds2: http://www.nxp.com/products/microcontrollers/cortex_m4/lpc4300/LPC4350FET256.html
2012-11-15T03:43:18 < ds2> there is a company selling dev boards and doing pretty well with them
2012-11-15T03:44:15 < zippe> Honestly I wish the 4350 had been around a year earlier… our current design would have been easier on it
2012-11-15T03:45:43 < ds2> LFBGA256!!!!!
2012-11-15T03:46:50 < zippe> Ok, wimp.  How about this one?
2012-11-15T03:46:51 < zippe> http://www.nxp.com/products/microcontrollers/cortex_m4/lpc4300/LPC4330FBD144.html
2012-11-15T03:47:23 < ds2> oh 1mm
2012-11-15T03:47:27 < ds2> that's fine
2012-11-15T03:47:38 < ds2> the concern is I don't want to got 4/4
2012-11-15T03:48:00 < ds2> 0.75 is as fine as I can with 5/5
2012-11-15T04:18:03 < dongs> ha
2012-11-15T04:18:10 < dongs> freescale rescheduled my accel shipment
2012-11-15T04:18:13 < dongs> to end of nov
2012-11-15T04:18:16 < dongs> instead of like march like originally
2012-11-15T04:18:24 < dongs> i figured they wouldn't let a large order sit around for half ay ear
2012-11-15T04:19:50 < ds2> Nov 2013? :D
2012-11-15T04:19:55 < dongs> no, this year
2012-11-15T04:20:01 < ds2> wow
2012-11-15T04:20:17 < ds2> are FS accels cheaper then ST accels?
2012-11-15T04:20:39 < ds2> trying to understand why a lot of people seem to favor FS accels
2012-11-15T04:20:57 < dongs> well, they're <$1 each in trays
2012-11-15T04:21:15 < dongs> no idea what ST accels go for
2012-11-15T04:21:17 < ds2> which ones are these? the 8 bit stuff?
2012-11-15T04:21:20 < dongs> 12/14
2012-11-15T04:21:23 < ds2> ooh
2012-11-15T04:21:32 < dongs> mma8452Q or 9451Q
2012-11-15T04:21:34 < dongs> er 84451
2012-11-15T04:21:45 < dongs> 12 vs 14bit is almost same price
2012-11-15T04:21:47 < dongs> like 10c more or someshit
2012-11-15T04:21:53 < ds2> isn't that a family of parts with an 8bit member?
2012-11-15T04:22:02 < ds2> sounds like a part I designed in by request of a customer
2012-11-15T04:22:13 < dongs> the 9xxxx shit is something with a dumb coldfire mcu on chip
2012-11-15T04:22:22 < dongs> 8451/8452 is accel only.
2012-11-15T04:22:25 < ds2> ah
2012-11-15T04:23:44 < ds2> they have some odd layout requirements/requests compared to other vendors
2012-11-15T04:24:11 < ds2> btw, has anyone done a voltage booster using a clock from a uC?
2012-11-15T04:24:22 < ds2> seems easy enough for an unregulated one
2012-11-15T04:27:56 < dongs> i know some dude who did smps wiht pic or someshit. but i think he's a nutter
2012-11-15T04:28:11 < dongs> why bother when dedicated chips for that shit simpyl wokr
2012-11-15T04:28:24 < ds2> BOM costs
2012-11-15T04:29:51 < dongs> no?
2012-11-15T04:30:01 < dongs> how much are you saving on a switching regulator IC?
2012-11-15T04:30:03 < dongs> like 0.05?
2012-11-15T04:30:19 < ds2> more like $1
2012-11-15T04:30:20 < dongs> my richtek LDOs are 5c/3k reel
2012-11-15T04:30:25 < dongs> richtek makes smps as well
2012-11-15T04:30:28 < ds2> 2A output?
2012-11-15T04:30:50 < dongs> i dunno but if there's a need, tehre's a solution that works
2012-11-15T04:30:56 < dongs> MPS is pretty cheap
2012-11-15T04:30:58 < dongs> so is richtek
2012-11-15T04:31:18 < ds2> I have not had good luck with richtek stuff
2012-11-15T04:31:27 < dongs> ive never seen any actual commercial / manufacturable design use hacks to get this sorta stuff done
2012-11-15T04:31:36 < dongs> prototype/one off type shit sure
2012-11-15T04:31:41 < dongs> but if youre gonna mass produce it its totally not worth it
2012-11-15T04:31:43 < ds2> supposely the solar guys do that sort of stuff
2012-11-15T04:32:10 < Bird|lappy> ds2, dedicated MPPT silicon seems to be a rather recent idea
2012-11-15T04:32:26 < ds2> MPPT?
2012-11-15T04:32:33 < Bird|lappy> maximum power point tracking
2012-11-15T04:32:38 < dongs> solar trash
2012-11-15T04:32:41 < ds2> ah
2012-11-15T04:32:52 < dongs> prpobably tarduino w/relays
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2012-11-15T06:09:01 < baird> Actually, for those keeping track, it took only 34 hours for a Raspberry Pi to build NetBSD...
2012-11-15T06:09:21 < emeb> zooooooom.....
2012-11-15T06:12:19 < baird> Scoff you might. But in the year 2024, when all computing devices more powerful than a digital watch have to secured to the Global Government Skynet, you'll all come to me and go "baaaaiiiiirrrrrddddddd... please give us free non-wiretapped internets on my digital watch...."
2012-11-15T06:12:24 < baird> And I will give you the finger.
2012-11-15T06:12:58 < emeb> and my watch will be sad.
2012-11-15T06:15:12 -!- [7] [~quassel@rockbox/developer/TheSeven] has quit [Read error: Operation timed out]
2012-11-15T06:15:33 < baird> Right next to the Rpi at the moment is a 150MHz STR9104/arm board recompiling its Gentoo. That'll most certainly take longer than 34 hours...
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2012-11-15T06:17:28 < baird> Meh, it's a 3-4 watt board. It can take as long as it wants.
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2012-11-15T06:20:52 < emeb> what's the advantage of native compile? Why not cross-compile?
2012-11-15T06:21:17 < baird> What else is there for it to do? :)
2012-11-15T06:21:21 < emeb> lol
2012-11-15T06:21:29 < emeb> occupy space and consume power.
2012-11-15T06:21:42 < baird> And linuxmanpoint
2012-11-15T06:21:44 < baird> And linuxmanpoints
2012-11-15T06:21:56 < emeb> FWIW - the F3 breakout board now has teh blinky light.
2012-11-15T06:22:08 < dongs> what was wrong?
2012-11-15T06:22:09 < emeb> but I had to flash it from Win7 w/ ST-Link Util
2012-11-15T06:22:10 < dongs> opensores flasher?
2012-11-15T06:22:12 < dongs> lawl.
2012-11-15T06:22:26 < emeb> Yeah - looks like F3 isn't yet supported by BMP
2012-11-15T06:23:08 < dongs> terrible news
2012-11-15T06:23:08 < emeb> when zyp shows up I'll have to talk w/ him about how to modify the bmp source.
2012-11-15T06:23:30 < emeb> not terrible. just one more FOSS speedbump :)
2012-11-15T06:23:30 < baird> And a real reason-- it was a PITA trying to get the right cross-compiler for the Starsemi/Calvium processors built correctly.
2012-11-15T06:24:17 < emeb> baird: I think I have a Starsemi/Cavium MCU in this little USB NAS that I got for ~$20 a while back.
2012-11-15T06:26:05 < baird> http://www.tinyhack.com/agestar/
2012-11-15T06:26:10 < emeb> dongs: and the HSE is working fine.
2012-11-15T06:27:22 < baird> The 'guy who did all the coding' of the reverse-engineering project I started later ported FreeBSD to the str9104.. Dunno how well that worked.
2012-11-15T06:28:50 < emeb> baird: this -> http://www.amazon.com/Hitachi-SimpleNET-Portable-Dongle-SNET/dp/B002CMEIV6
2012-11-15T06:29:52 < baird> The reviews btich about how slow it is-- yep, probably it. :)
2012-11-15T06:32:17 < baird> On the Agestar, holding down one of the option buttons starts a tftp-able boot prompt on the uart..
2012-11-15T06:32:32 < baird> *holding down one of the option buttons during power-up
2012-11-15T06:34:02 < baird> Don't you just love cheap&nasty Chinese computer products that only go as far as to make something work, and not putting the effort into locking the systems down..
2012-11-15T06:34:33 < baird> Unlike what you get from Apple, et.al...
2012-11-15T06:35:33 < emeb> yeah. bare minimum.
2012-11-15T06:35:55 -!- ReggieUK [~ReggieUK@5aca5630.bb.sky.com] has quit []
2012-11-15T06:36:30 < emeb> never actually used that SimpleNET thing. I suppose that there are folks out there who are satisfied with it
2012-11-15T06:46:26 < emeb> lol - default clock setup is to multiply HSE x9 - I'm running the F3 @ 108MHz right now...
2012-11-15T06:46:50 < dongs> dongikey is here. displayport adapter parts yay
2012-11-15T06:46:55 < dongs> heh
2012-11-15T06:47:18 < emeb> the expensive DP cable too?
2012-11-15T06:47:24 < dongs> yea
2012-11-15T06:49:05 < dongs> heh
2012-11-15T06:49:08 < dongs> also got a couple F303 parts..
2012-11-15T06:49:09 < dongs> they're ES...
2012-11-15T06:49:12 < dongs> what a surprise
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2012-11-15T06:50:30 < emeb> is ES marked on pkg?
2012-11-15T06:51:26 < dongs> ya
2012-11-15T06:52:40 < emeb> my 373 has no ES on it...
2012-11-15T07:02:59 < baird> Woo-- the latest RPi/512MB shipment has shipped. They'll probably arrive tomorrow morning.
2012-11-15T07:06:58 < dongs> farnell price on those is retarded
2012-11-15T07:07:04 < dongs> in GBP its like $42
2012-11-15T07:07:09 < dongs> what the fuck happned to $35??
2012-11-15T07:12:07 < emeb> duh - $35 was the come-on. Then the distys added all their overhead and shipping/handling.
2012-11-15T07:12:20 < emeb> Ends up costing about as much as a beaglebone.
2012-11-15T07:14:58 < baird> I'm wondering when the 'Model A' will appear..
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2012-11-15T07:28:28 < emeb> the lower memory $25 version? Probably never - they're making more money this way. :P
2012-11-15T07:29:21 < emeb> tweaked the PLL settings and turned on MCO to verify that I'm running the F3 @72MHz now.
2012-11-15T07:29:56 < emeb> edit/compile/copy-to-win7/load-in-STLINKUTIL/program
2012-11-15T07:30:09 < emeb> my life is so hard. :D
2012-11-15T07:31:14 < dongs> terrible
2012-11-15T07:33:59 < emeb> CooCox 1.5.1 doesn't have F3 in it, but there's a 1.6.0 out now. Updating now to see if there is anything new...
2012-11-15T07:34:30 < ds2> Hmmm
2012-11-15T07:34:54 < emeb> sup ds2?
2012-11-15T07:34:58 < ds2> hey
2012-11-15T07:35:50 < ds2> I did understand it right that there is no F3 with the FSMC right?
2012-11-15T07:36:29 < emeb> lemme check the RM...
2012-11-15T07:36:55 < emeb> No sign of it in the RM.
2012-11-15T07:37:46 < emeb> you were thinking of a uClinux system running on an F3, but w/o external RAM that's not practical.
2012-11-15T07:38:46  * emeb is not clicking that link
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2012-11-15T07:43:05 < ds2> yep. the F4 is the obvious choice but since they are pin compatible, it would nice to have a lower cost fall back
2012-11-15T07:43:33 < ds2> decent analog controllable by linux scripts is almost too much power
2012-11-15T07:44:21 < emeb> ds2: I'm working with an F407ZG right now. Got the FSMC pinned out to either a 512kb SRAM or a 4Mb PSRAM.
2012-11-15T07:44:32 < emeb> (on daughter cards)
2012-11-15T07:44:40 < emeb> Hope to have that fired up over the weekend.
2012-11-15T07:45:22 < ds2> 512K SRAM? how many arms did that cost?
2012-11-15T07:45:47 < emeb> sry - bytes, not bits
2012-11-15T07:46:05 < emeb> no idea what it cost - I didn't build it. Just doing the SW.
2012-11-15T07:46:10 < ds2> ohhhh
2012-11-15T07:46:51 < ds2> now if only the PSoC5's had a working EMIF :/
2012-11-15T07:49:26 < emeb> ds2: those srams are pretty cheap: http://www.mouser.com/ProductDetail/ISSI/IS66WV51216DBLL-55TLI/?qs=sGAEpiMZZMutXGli8Ay4kFwbWX8UnHaqK9EtQhPG2Sg%3d
2012-11-15T07:49:51 < emeb> 512k x 16
2012-11-15T07:50:03 < emeb> for $2.50
2012-11-15T07:50:32 < ds2> that is not SRAM
2012-11-15T07:51:02 < dongs> neat
2012-11-15T07:51:13 < dongs> you fially fount tssop version eh?
2012-11-15T07:51:23 < emeb> it's a pretty small one.
2012-11-15T07:51:37 < emeb> the BGA versions are much larger capacity
2012-11-15T07:53:53 < baird> flyback: not how you make babby: https://secure.flickr.com/photos/jian-hua_qiao_md/8159701280/  (..and why is he photographing the specimen on his livingroom carpet..)
2012-11-15T07:54:13 < emeb> ds2: this is the BGA part I've got too -> http://www.digikey.com/product-detail/en/MT45W2MW16PGA-70%20IT%20TR/557-1317-2-ND/1678989
2012-11-15T07:54:32 < emeb> 4x more than the TSSOP part.
2012-11-15T07:56:00 < ds2> I am using the next bigger version of that
2012-11-15T07:56:32 < emeb> on your f10x board?
2012-11-15T07:56:37 < ds2> yep
2012-11-15T07:56:45 < emeb> got it built yet?
2012-11-15T07:56:51 < ds2> at least I think it is that, too long of a day to go dig it up
2012-11-15T07:57:01 < ds2> not yet, going to drop of the parts kit at the assembler tomorrow
2012-11-15T07:57:11 < ds2> no time to do it day... up for 15hrs and counting
2012-11-15T07:57:26 < emeb> get some sleep man!
2012-11-15T07:57:39 < ds2> got stuff to do
2012-11-15T07:57:53 < emeb> gonna see if this F3 breakout will enumerate on Win7...
2012-11-15T07:57:58 < ds2> like read the thread on the mystery LPDDR problem with my customer
2012-11-15T07:58:14 < emeb> oh yay!
2012-11-15T07:58:23 < ds2> fun stuff eh? :D
2012-11-15T07:59:06 < ds2> wouldn't listen when I said, squeezing in 50 other 'would be nice' features is too much stuff for a spin that is suppose to fix memory issue
2012-11-15T08:00:02 < emeb> some people.
2012-11-15T08:00:22 < emeb> OK FWIW, Win7 doesn't see the F3 USB DFU either.
2012-11-15T08:00:45 < ds2> really?
2012-11-15T08:01:01 < emeb> so either I've screwed up the USB hookup on the board, or the bootloader doesn't like a 12MHz xtal.
2012-11-15T08:01:03 < dongs> emeb: got another built board wehre you can ninja in a 8mhz HC49 xtal?
2012-11-15T08:01:30 < emeb> dongs: good idea. I should have some more boards in a week or so.
2012-11-15T08:01:38 < ds2> can't you load the USB demo for the discovery board on it?
2012-11-15T08:01:52 < dongs> well, hes talking about bootloader USB.
2012-11-15T08:01:52 < ds2> that'd verify the USB hookup
2012-11-15T08:01:59 < dongs> yeah, that'd check that usb is correct.
2012-11-15T08:02:03 < ds2> I know but the demo would verify the physical stuff
2012-11-15T08:02:15 < emeb> Yeah - would be a good way to test.
2012-11-15T08:02:32 < emeb> Might have to do some futzing to get the pins mapped right tho.
2012-11-15T08:02:47 < emeb> this is a smaller pkg than on the F3 disco.
2012-11-15T08:03:07 < emeb> But - I'll look at the source and see what it'll take.
2012-11-15T08:03:11 < ds2> Oh
2012-11-15T08:03:57 < emeb> also - the F3 disco is an F303 and this is an F373. Don't know if the registers are radically different or not.
2012-11-15T08:04:05 < ds2> ohh
2012-11-15T08:04:17 < ds2> got a USB analyzer?
2012-11-15T08:04:24 < emeb> Nope.
2012-11-15T08:04:38 < ds2> what does it do in Linux?
2012-11-15T08:04:47 < ds2> do you get timeout while assigning addresses?
2012-11-15T08:04:59 < emeb> syslog shows about a dozen attempts to enumerate that all fail.
2012-11-15T08:05:13 < ds2> enumerate or failed to assign an address?
2012-11-15T08:05:28 < emeb> I'll grab a snapshot - just a sec...
2012-11-15T08:06:42 < emeb> http://pastebin.com/eGU4mtQK
2012-11-15T08:07:26 < ds2> okay so the pull ups on DM/DP seems to be okay
2012-11-15T08:07:46 < ds2> either the STM32 side can't receive or it can't xmit
2012-11-15T08:08:07 < emeb> I hang a scope probe on the xtal and I never see it come up.
2012-11-15T08:08:16 < ds2> you got a hub?
2012-11-15T08:08:25 < emeb> this is on a hub
2012-11-15T08:08:34 < ds2> try it w/o a hub
2012-11-15T08:08:49 < emeb> did a direct connection yesterday - same result.
2012-11-15T08:08:56 < ds2> I noticed it is coming in via a transaction converter
2012-11-15T08:08:57 < ds2> okay
2012-11-15T08:09:17 < ds2> could be the xtal thing
2012-11-15T08:09:29 < ds2> but I donno how the F3 discovery can do USB w/o its own xtal
2012-11-15T08:09:38 < emeb> I suspect the bootloader doesn't like the xtal.
2012-11-15T08:09:54 < emeb> the F3 disco has a wire from the MCO pin of the ST-Link MCU.
2012-11-15T08:10:03 < ds2> Ohhhh
2012-11-15T08:10:05 < emeb> so it's getting a solid clock from that xtal.
2012-11-15T08:10:18 < ds2> i just see the blank xtal
2012-11-15T08:10:56 < emeb> X2 is unpopulated, but X1 is for the ST-Link side.
2012-11-15T08:11:12 < emeb> and the ST-Link MCU sends a good clock to the F3
2012-11-15T08:12:27 < emeb> there's a little shorting block on the back that sets this up.
2012-11-15T08:13:43 < emeb> switching machines...
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2012-11-15T08:49:36 < cdh> Are these enumeration errors caused by the USB DFU?
2012-11-15T08:55:00 < emeb_mac> caused by the MCU never starting up the USB peripheral I imagine.
2012-11-15T08:59:50 < cdh> That's possible I suppose, but it would work different than the F4 I have.  The board I'm working with has both USB cores routed out to ports (and I have both connected to the same PC).  If I only enable one port, I don't see enumeration errors for the disabled port.
2012-11-15T09:00:38 < cdh> I've seen enumeration errors, but only when my code is doing something crappy, such as not replying in time with EP0 IN data.
2012-11-15T09:06:20 < cdh> DM00063878 2.3 PLL_SOURCE_HSE_BYPASS -
2012-11-15T09:06:22 < cdh> In this mode, the HSE is bypassed with an external clock (fixed at 8 MHz, coming from ST-
2012-11-15T09:06:24 < cdh> LINK circuit). It is used to clock the PLL, and the PLL is used as the system clock source.
2012-11-15T09:06:25 < cdh> Some hardware modifications are necessary to bypass the HSE with the clock coming from
2012-11-15T09:06:27 < cdh> the ST-LINK circuit.
2012-11-15T09:06:28 < cdh> For more details, refer to section "4.10 OSC clock" in "STM32F3 discovery kit User manual
2012-11-15T09:06:30 < cdh> (UM1570)". Note: 6/24 PLL_SOURCE_HSE_BYPASS is the default clock configuration.
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2012-11-15T09:07:40 < cdh> Looks like the F3 disco gets its clock from the ST-Link xtal
2012-11-15T09:08:24 < dongs> right.
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2012-11-15T09:52:14 < jpa-> i have a crazy bug
2012-11-15T09:52:33 < jpa-> first time after power-on, the background color of one text box is wrong
2012-11-15T09:52:50 < jpa-> however, if i hold down reset at power-on and then release it a bit later, it is all ok
2012-11-15T09:53:17 < jpa-> however, if i add a sleep to the startup routine (before LCD initialization and all that stuff), the color is still wrong
2012-11-15T09:53:28 < dongs> uninitialized memory?
2012-11-15T09:53:38 < jpa-> reset button should not affect that.. i think
2012-11-15T09:53:56 < dongs> right, it doesnt - memory is not cleared on reset
2012-11-15T09:54:07 < zippe> jpa-: where do you do clock / waitstate setup?
2012-11-15T09:54:20 < zippe> before or after you copy the data segment from flash to RAM?
2012-11-15T09:54:25 < dongs> HEH
2012-11-15T09:54:37 < jpa-> zippe: let's see
2012-11-15T09:54:39 < dongs> in my IDE that's after SystemInit()
2012-11-15T09:54:39 < zippe> What happens if you stick a delay right after the reset vector
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2012-11-15T09:55:04 < zippe> Also, what voltage do you have the BoD set to?
2012-11-15T09:55:10 < zippe> You may be coming out of reset too early
2012-11-15T09:55:35 < zippe> We have seen similar problems with boards powered off some BECs
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2012-11-15T09:55:59 < zippe> e.g. the Castle 7A BEC seems to bounce the 5V all over the place, and even with a 3v3 LDO in front of the F4, it still won't start reliably
2012-11-15T09:56:24 < zippe> Though even there, the BoD isn't enough to help; I think we are going to have to switch to a proper power supervisor for the next major rev.
2012-11-15T09:57:11 < jpa-> zippe: before
2012-11-15T09:57:39 < jpa-> how do i set BoD?
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2012-11-15T09:58:24 < dongs> zippe: thats fucking horrible, but castle sucking is no surprise.
2012-11-15T09:58:37 < dongs> they're called 'castle cremations' for a reason.
2012-11-15T09:59:40 < zippe> 	const uint16_t opt_bits = (0 << 2);		/* BOR = 0, setting for 2.7-3.6V operation */
2012-11-15T09:59:48 < zippe> 	const uint16_t opt_mask = (3 << 2);		/* BOR_LEV bitmask */
2012-11-15T09:59:57 < zippe> 	/* unlock the control register */
2012-11-15T09:59:57 < zippe> 	volatile uint32_t *optkeyr = (volatile uint32_t *)0x40023c08;
2012-11-15T09:59:57 < zippe> 	*optkeyr = 0x08192a3bU;
2012-11-15T09:59:57 < zippe> 	*optkeyr = 0x4c5d6e7fU;
2012-11-15T10:00:07 < zippe> 	/* program the new option value */
2012-11-15T10:00:07 < zippe> 	*optcr = (*optcr & ~opt_mask) | opt_bits | (1 << 1);
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2012-11-15T10:06:27 < jpa-> ok, for-loop delay at the beginning of __start helps
2012-11-15T10:06:54 < jpa-> so it is probably a voltage level issue; i'll look into BoD
2012-11-15T10:10:21 < dongs> sounds like gcc compiled code
2012-11-15T10:10:41 < jpa-> asm("nop"); of course to stop it optimizing away
2012-11-15T10:12:24 < dongs> only gcc allows inline assembly, because the compiler sucks so bad sections of code need to be hand-written
2012-11-15T10:12:43 < dongs> no serious commecial compiler allows inline assembly because the coder is almost NEVER smarter than the compiler.
2012-11-15T10:14:11 < zyp> oh, right
2012-11-15T10:14:12 < zyp> http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.kui0097a/armcc_cihccdja.htm
2012-11-15T10:14:57 < dongs> zyp, not for thumb
2012-11-15T10:15:28 < dongs> http://infocenter.arm.com/help/topic/com.arm.doc.kui0097a/armcc_chdgddcj.htm
2012-11-15T10:16:14 < zippe> dongs: all the decent commercial compilers do
2012-11-15T10:16:35 < dongs> "The inline assembler is not available when compiling C or C++ for Thumb state, and the inline assembler does not assemble Thumb instructions"
2012-11-15T10:17:06 < zippe> Yes, that's nice.  v7m is T2
2012-11-15T10:17:12 < zippe> i.e. unified syntax
2012-11-15T10:17:35 < zippe> armcc will quite happily assemble uni-syntax to T2
2012-11-15T10:18:11 < zippe> There are any number of useful things you can do with inline assembler that can't or shouldn't be done with the compiler
2012-11-15T10:18:29 < zippe> Even more so on v7a
2012-11-15T10:22:46 < zyp> hmm, stellaris launchpad shipped
2012-11-15T10:22:54 < zyp> guess I'll have it some time next week then
2012-11-15T10:47:00 < jpa-> zippe: thanks for the help; BoD wasn't enough, but I'll go with the delay loop for now and check the Vdd later
2012-11-15T10:48:53 < jpa-> i think it may actually be the TFT panel that has some trouble with supply voltage..
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2012-11-15T11:54:48 < dongs> http://sphotos-a.ak.fbcdn.net/hphotos-ak-prn1/543073_10152263080955080_1105929787_n.jpg
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2012-11-15T12:14:44 < baird> Hmm, that looks like 1982-1983 era tech. Not quite 2003.
2012-11-15T12:17:50 < dongs> where do you see 2003
2012-11-15T12:17:57 < karlp> bleh, my.st.com wants to deactivate my account for "security reasons"
2012-11-15T12:18:08 < dongs> did you have access to anything intersting?
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2012-11-15T12:23:13 < karlp> dongs: not that I recall,
2012-11-15T12:27:28 < karlp> I think I only signed up because it was required to view attachments on the forums
2012-11-15T12:35:23 < Claude> lol i had that stereo in the late 80s or so :)
2012-11-15T12:35:57 < Claude> could be early 90s as well , don't remember any more
2012-11-15T12:37:30 < karlp> heh, stm32w has had the zigbee stack removed.
2012-11-15T12:37:53 < zyp> licensing reasons?
2012-11-15T12:38:07 < karlp> yeah, zilabs bought ember,
2012-11-15T12:38:21 < karlp> silabs sorry
2012-11-15T12:39:13 < baird> Claude: /my/ stereo had /two/ cassettes.
2012-11-15T12:40:06 < Claude> ah yeah tape copies :)
2012-11-15T12:41:27 < baird> It sucked for duplicating VIC20 and CBM64 game tapes, though. :/
2012-11-15T12:41:44 < Claude> hehe
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2012-11-15T14:16:26 < dongs> http://i.imgur.com/MA8L3.jpg haha farnell packaging
2012-11-15T14:25:02 < zyp> heh
2012-11-15T14:25:59 < zyp> I think my rpi came from farnell, was just shipped in a padded envelope
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2012-11-15T14:34:21 < Claude> TI samples ... $1 part , $5 packaging , $20 freight cost :)
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2012-11-15T14:35:11 < Claude> but did you ever noticed that the TI sample packaging materials look 100% identical to what digikey uses ?
2012-11-15T14:39:57 < dongs> ti samples ship from digikey..
2012-11-15T14:40:03 < dongs> cypress as well
2012-11-15T14:40:10 < dongs> maybe some others.
2012-11-15T14:40:16 < dongs> some of  Analog samples also
2012-11-15T14:40:38 < dongs> I've got some TI I2C dacs that were NOT in "Stock" at digikey,, from digikey... after asking them as free samples
2012-11-15T14:40:41 < dongs> lol
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2012-11-15T15:13:58 <+Steffanx> Booo
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2012-11-15T15:54:55 < Laurenceb> sup
2012-11-15T15:55:03 <+Steffanx> Tha sky brother
2012-11-15T15:55:06  * Laurenceb gets back to making L1discovery servo tester
2012-11-15T15:55:22 < Laurenceb> using the touchpad
2012-11-15T16:00:39 < Laurenceb> im very confused
2012-11-15T16:01:01 < Laurenceb> by firmware runs and is now 3KB smaller than the ST image that was loaded
2012-11-15T16:01:22 < Laurenceb> i thought st used "proper" compilers
2012-11-15T16:01:25 < Laurenceb> in b4 dongs
2012-11-15T16:02:40 < zyp> heh
2012-11-15T16:02:57 < zyp> maybe it's using optimizations that trade some more space for speed?
2012-11-15T16:03:06 < Laurenceb> also i thought the touch sensing was closed source?
2012-11-15T16:03:07 < Laurenceb> yeah
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2012-11-15T16:03:34 < Laurenceb> ive got all the touch sense source here
2012-11-15T16:03:54 < jpa-> maybe the ST original image has some production testing stuff
2012-11-15T16:04:21 < Laurenceb> yeah its all _very_ disorganised
2012-11-15T16:04:45 < Laurenceb> i tried copying over my F3discovery make, startup  and linker
2012-11-15T16:04:58 < Laurenceb> failed as they had randomly changed a load of names :-/
2012-11-15T16:05:38 < Laurenceb> anyway time to add servo support.. ill add an option to test 50hz/100hz/400hz update too
2012-11-15T16:06:11 < Laurenceb> in other news my firgelli linear actuator has a pin header with analogue position out and H bridge inputs
2012-11-15T16:06:37 < Laurenceb> so i can add a cable straight to my f4discovery to bypass its built in pic16f
2012-11-15T16:07:00 < Laurenceb> pity firgelli stuff is so expensive :-/
2012-11-15T16:12:03 < Laurenceb> Network Error (gateway_error)  <- nice St is down again
2012-11-15T16:12:32 < zyp> not my fault!
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2012-11-15T16:13:11 <+Steffanx> of course it is your fault zyp
2012-11-15T16:13:50 < Laurenceb> l1 HSI is 4MHz right?
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2012-11-15T16:15:02 < Laurenceb> and L1 just has an AHB bus?
2012-11-15T16:16:36 < zyp> what about looking at clock tree diagram in reference manual?
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2012-11-15T16:16:48 < Laurenceb> i cant get the manual
2012-11-15T16:16:51 < Laurenceb> as st is down
2012-11-15T16:17:37 < zyp> appears to be up again now
2012-11-15T16:19:23 < Laurenceb> ah yes
2012-11-15T16:19:24 <+Steffanx> zyp fixed it :D
2012-11-15T16:19:30 < Laurenceb> so hsi is 16mhz
2012-11-15T16:19:32 < Laurenceb> fast
2012-11-15T16:20:57 < Laurenceb> yet it measures run current as 1.23ma
2012-11-15T16:20:58 < Laurenceb> wtf
2012-11-15T16:23:54 < Laurenceb> which matches with 4mhz and discovery datasheet says 4mhz
2012-11-15T16:23:58 < Laurenceb>   <- confused
2012-11-15T16:27:42 < Laurenceb> oh nvm i misread the code
2012-11-15T16:27:53 < Laurenceb> its running off 32khz to start with
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2012-11-15T16:41:21 < Laurenceb> then the clk is swapped from the user button isr
2012-11-15T16:41:52 < Laurenceb> also you need to calibrate the current sense circuit thats under the lcd
2012-11-15T16:42:13 < zyp> yep, calibration values are in the eeprom
2012-11-15T16:42:23 < zyp> says the discovery board manual
2012-11-15T16:42:25 < Laurenceb> down to 0.5uA in standby now O_o
2012-11-15T16:42:45 < Laurenceb> who needs msp430
2012-11-15T16:45:57 < karlp> it runs off 4mhz MSI at reset
2012-11-15T16:47:59 < karlp> failed delivery of my stellaris launchpad. first day no-one's home.
2012-11-15T16:48:25 < karlp> tomorrow I get to find out how much the local shipping partners are going to try and rape me for
2012-11-15T16:50:24 < zyp> customs handling?
2012-11-15T16:50:59 <+Steffanx> + VAT
2012-11-15T16:51:11 <+Steffanx> + crap
2012-11-15T16:51:44 < zyp> I'm not expecting to pay anything
2012-11-15T16:52:14 < zyp> it's under the exemption limit here (200 NOK), and when no customs/tax collection is requred, no handling fee is incurred
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2012-11-15T16:58:32 < karlp> we have no exemption limit here.
2012-11-15T16:59:03 < karlp> so 25.5% vat, on top of whatever rather arbiratrry amount the local fed ex /dhl partners decide to charge as handling.
2012-11-15T17:03:59 <+Steffanx> 25.5?!
2012-11-15T17:05:42 < karlp> small things on the internet are simply not purchased.
2012-11-15T17:05:49 < karlp> the threshold for importing things becomes rather high
2012-11-15T17:06:20 < karlp> kind of strangling on a lot of internet world shopping and things.
2012-11-15T17:06:29 < karlp> forget about amazon
2012-11-15T17:08:18 < dongs> wut
2012-11-15T17:17:33 < dongs> http://images.didioffendyou.com/1/1964fea0500c0056.jpg
2012-11-15T17:19:05 < Laurenceb> loldongs
2012-11-15T17:19:15 < dongs> Laurenceb: quickly, think what to do with tarduino.cc
2012-11-15T17:19:26 < Laurenceb> put it in the oven?
2012-11-15T17:19:47 < Laurenceb>     percent_value = SLIDER_POSITION ;   percent_value *= 10000;    percent_value /= 255 ;
2012-11-15T17:19:50 < Laurenceb> WTF ST
2012-11-15T17:19:50 < dongs> needs to be something funnier
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2012-11-15T17:19:57 < Laurenceb> percent_value is an int
2012-11-15T17:20:13 < Laurenceb> yet display doesnt make in steps of 39
2012-11-15T17:20:38 -!- daku is now known as DaKu
2012-11-15T17:23:05 < Laurenceb> oh
2012-11-15T17:23:11 < Laurenceb> its in range 0 to 255
2012-11-15T17:23:33 < Laurenceb> their printf routine was buggy so they fixed it by hacking the output string
2012-11-15T17:23:36 < Laurenceb> typical st
2012-11-15T17:23:54 < Laurenceb> multiply % by 100 then overwrite the last two characters
2012-11-15T17:23:56 < Laurenceb> epic fail
2012-11-15T17:25:13 < karlp> don't forget the awesome file encoding
2012-11-15T17:25:21 < Laurenceb> yeah
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2012-11-15T18:05:05 <+Steffanx> karlp, at least the encoding they use supports spaces
2012-11-15T18:10:00 < jpa-> when full debugging is enabled, the nuttx font system warns every time i try to render a space character
2012-11-15T18:10:13 < jpa-> it was probably tested only on Laurenceb's code
2012-11-15T18:10:34 <+Steffanx> :D
2012-11-15T18:34:13 < Laurenceb> what the fuuuuu
2012-11-15T18:34:31 < Laurenceb> my l1discovery timers are at 10mhz
2012-11-15T18:36:14 <+Steffanx> All send me a $1 so we can buy Laurenceb a rubber duck
2012-11-15T18:36:20 < Laurenceb> lol
2012-11-15T18:36:39 < Laurenceb> http://en.wikipedia.org/wiki/Rubber_duck_debugging
2012-11-15T18:37:15 <+Steffanx> Yes, that
2012-11-15T18:38:21 < zyp> ok
2012-11-15T18:38:29 < zyp> Steffanx, what's your paypal addr?
2012-11-15T18:39:51 <+Steffanx> Nah, I don't think Laurenceb is going to give me his address
2012-11-15T18:40:43 < jpa-> we could just send it to oxford university and they would surely deliver it to him
2012-11-15T18:40:49 <+Steffanx> Hah
2012-11-15T18:42:06 -!- Claude is now known as claude
2012-11-15T18:42:45 <+Steffanx> The Physics deparment .. hmm, should work
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2012-11-15T18:47:00 < Laurenceb> lol Steffanx
2012-11-15T18:47:55 -!- dekar_ [~dekar@212.255.47.233] has quit [Ping timeout: 260 seconds]
2012-11-15T18:49:01 < Laurenceb> annddd servo test is working
2012-11-15T18:49:15 < karlp> dragging finger on the L1 slider?
2012-11-15T18:49:39 < karlp> what do I need to plug in to the disco to use this?
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2012-11-15T18:50:59 < Laurenceb> a servo
2012-11-15T18:51:16 < Laurenceb> PB7, gnd and EXT_5V
2012-11-15T18:51:29 < Laurenceb> guess ill stick code on github if its wanted
2012-11-15T18:53:42 < karlp> how much hackery on the st touch libs were needed?
2012-11-15T18:53:57 < karlp> do it, I don't know of many other 32l disco touch examples
2012-11-15T18:54:15 < karlp> other than the factory shipped demo
2012-11-15T19:04:41 < Laurenceb> its just the facotry demo with servo added
2012-11-15T19:05:13 < Laurenceb>     TIM_SetCompare2(TIM4, (percent_value*4)/10+4000);  in discovery_functions.c
2012-11-15T19:05:38 < Laurenceb>       case STATE_SLIDER_VALUE:  enables the timer in the interrupts code
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2012-11-15T19:11:06 <+Steffanx> Will they find you when i send it to physics department of oxford Laurenceb ?
2012-11-15T19:11:31 < Laurenceb> lol Steffanx
2012-11-15T19:11:45 <+Steffanx> That's not an answer
2012-11-15T19:11:45 < Laurenceb>  ... maybe
2012-11-15T19:12:01 <+Steffanx> or perhaps that company you work for
2012-11-15T19:12:17 <+Steffanx> Let's browse the logs to see if you ever mentioned the name of that company :P
2012-11-15T19:12:18 < zyp> just include «(that weird guy)» and everybody will know who
2012-11-15T19:12:47 <+Steffanx> Ishouldwritealetterwithoutspacestooprobably
2012-11-15T19:16:07 < zyp> maybe I should pull out my L1 board and get something going
2012-11-15T19:16:35 < emeb> zyp: you have an F3?
2012-11-15T19:16:41 < zyp> sure
2012-11-15T19:16:53 < Laurenceb> http://pastebin.com/qWp7YjMS
2012-11-15T19:16:54 < emeb> does bmp work w/ F3?
2012-11-15T19:17:07 < zyp> yes, I added it
2012-11-15T19:17:13 < emeb> hmmmm.
2012-11-15T19:17:25 < emeb> then I must be doin' it rong.
2012-11-15T19:17:41 < zyp> did you flash the latest version?
2012-11-15T19:17:59 < emeb> I rebuilt & reflashed on Tue eve.
2012-11-15T19:18:11 < zyp> and it doesn't detect F3?
2012-11-15T19:18:30 < emeb> It detects - says it finds Cortex-M
2012-11-15T19:18:42 < emeb> but when I issue "flash" cmd then it says failed.
2012-11-15T19:19:22 < emeb> binary of same code loads fine with ST-Link util on Win7
2012-11-15T19:19:28 < zyp> wait, are you using F30x or F37x?
2012-11-15T19:19:33 < emeb> F37x
2012-11-15T19:19:36 < zyp> ah
2012-11-15T19:19:39 < zyp> hang on
2012-11-15T19:20:09 < zyp> I bet the idcode is different
2012-11-15T19:20:15 < emeb> probably true
2012-11-15T19:20:34 < Laurenceb> have to benchmarked the 16bit adc?
2012-11-15T19:20:36 < emeb> where does the idcode go?
2012-11-15T19:21:45 < zyp> ah, F37x is 0x432, F30x is 0x422
2012-11-15T19:22:11 < zyp> https://github.com/gsmcmullin/blackmagic/blob/master/src/stm32f1.c <- line 178 here
2012-11-15T19:22:38 < zyp> if flash stuff is equal to F30x, you can just add a case for 0x432 below 0x422
2012-11-15T19:25:31 < emeb> I'll give it a go
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2012-11-15T19:30:38 < emeb> Success! ty
2012-11-15T19:31:44 < emeb> zyp: should that get pushed back to gsmcmullin?
2012-11-15T19:32:17 < zyp> that's probably a nice gesture
2012-11-15T19:32:32 < emeb> need to figure out how to do that...
2012-11-15T19:33:05 < zyp> I can do it
2012-11-15T19:33:34 -!- jon1012 [~jon@foresight/developer/jon1012] has quit [Quit: Quitte]
2012-11-15T19:33:38 < emeb> great!
2012-11-15T19:37:22 < zyp> gsmcmullin, https://github.com/zyp/blackmagic/commit/8f04241
2012-11-15T19:37:52 < emeb> Heh - that's exactly what I did in my copy, including comments.
2012-11-15T19:38:12 < zyp> natural thing to do ;)
2012-11-15T19:38:48 < emeb> thanks for the help - works great (screaming fast compared to Win7 ST-Link Util)
2012-11-15T19:40:14 < emeb> lol - did a 'git pull' and it said already up to date. Nice that git sees my local change was consistent.
2012-11-15T19:40:41 < zyp> no, it wouldn't
2012-11-15T19:40:56 < zyp> my change is not pulled into gsmcmullin's repo yet
2012-11-15T19:40:56 < emeb> wonder why it did that then?
2012-11-15T19:41:07 < jpa-> it would when merging, but the change is only in zyp's repo :)
2012-11-15T19:41:13 < emeb> then it should have told me to stash, no?
2012-11-15T19:41:26 < zyp> you did not pull from my repo, did you?
2012-11-15T19:41:42 < emeb> don't think so.
2012-11-15T19:41:47 < zyp> exactly
2012-11-15T19:41:50 < jpa-> i guess there were no changes to gsmcmullin's repo so it didn't care whether you had clean working dir or not?
2012-11-15T19:42:05 < zyp> jpa-, that's what happened
2012-11-15T19:42:30 < emeb> ok - makes sense.
2012-11-15T19:42:31 < zyp> git only complains about dirty files if it is going to merge new changes into those
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2012-11-15T19:43:13 < jpa-> i really wonder what will happen when i'll try to merge with new upstream nuttx version; i have submitted a bunch of patches, but they have been coalesced into larger commits; i wonder if git will understand that
2012-11-15T19:44:16 < zyp> squashed, is the term I'm used to, for combining smaller commits into a large one
2012-11-15T19:44:34 < jpa-> yeah, that
2012-11-15T19:44:53 < emeb> git lingo is funny. push/pull/stash/squash
2012-11-15T19:45:00 < zyp> and no, git is not going to understand that
2012-11-15T19:46:03 < jpa-> i guess i'll just have to make a new branch and cherry-pick my stuff over then
2012-11-15T19:46:58 < zyp> if you have some commits interspesed with the ones that got pulled over then yeah, that's probably the simplest way to go about it
2012-11-15T19:47:06 < emeb> anyone else use imgur on Android?
2012-11-15T19:47:25 < emeb> when I upload a pic from my gallery w/ Imgur it seems to delete it from the gallery.
2012-11-15T19:59:19 < jpa-> zyp: hmm, actually it seems to understand it somewhat; it doesn't complain about the upstream commits that are already in my branch, even if the commits have been squashed
2012-11-15T20:00:30 < zyp> depends on what else changed upstream and in your branch
2012-11-15T20:01:09 < zyp> if it's easy to make sense of, not conflicting changes, it might work out just fine
2012-11-15T20:03:47 < jpa-> yeah
2012-11-15T20:07:42 < emeb> F3 breakout page updated w/ assembled pic & blinky code -> http://ebrombaugh.studionebula.com/embedded/stm32f373breakout/index.html
2012-11-15T20:08:25 < zyp> :)
2012-11-15T20:08:49 < emeb> now need to make the USB port work.
2012-11-15T20:13:16 < zyp> I have an F3 version of my ACM echo example in case you're interested
2012-11-15T20:13:27 < emeb> zyp: that would be awesome.
2012-11-15T20:13:41 < emeb> Uses laks, right?
2012-11-15T20:13:45 < emeb> (duh)
2012-11-15T20:13:57 < zyp> yes
2012-11-15T20:14:29 < emeb> I'll give that a try. I think I've got everything I need to build laks stuff (scons, etc)
2012-11-15T20:15:03 < zyp> let me just push it
2012-11-15T20:16:04 < zyp> there, temp_f3 branch in laks_demo repo
2012-11-15T20:16:29 < emeb> hmmm - says 'invalid branch'
2012-11-15T20:16:37 < zyp> did you pull?
2012-11-15T20:16:49 < emeb> just looking on the web display
2012-11-15T20:16:59 < emeb> http://cgit.jvnv.net/laks_demo/tree/main.cpp?h=temp_f3
2012-11-15T20:17:44 < zyp> I think that's just cache
2012-11-15T20:17:49 < emeb> ok
2012-11-15T20:17:55 < gsmcmullin> zyp: Merged, thanks.
2012-11-15T20:18:10 < zyp> no problem
2012-11-15T20:18:12 < emeb> gsmcmullin: ty for great bmp
2012-11-15T20:19:20 < zyp> gsmcmullin, as a heads up, I might have a look at adding lm4f support when my stellaris launchpad arrives next week
2012-11-15T20:19:55 < gsmcmullin> emeb: I'm glad you like it.
2012-11-15T20:21:05 < gsmcmullin> zyp: Awesome.  It has some support for lm3s, but it's a bit old and unmaintained.  I don't know of anyone using it with these devices.
2012-11-15T20:22:46 < zyp> it would be nice if they have enough in common to be supported by the same code
2012-11-15T20:23:18 < emeb> zyp: my stellaris launchpad showed up yesterday. Too bad it's not got a mini-10 JTAG, but TCK/TMS/TDO are on testpoints.
2012-11-15T20:23:50 < zyp> emeb, it has a footprint for tag-connect
2012-11-15T20:25:33 < emeb> is that the little 10-pin pogo thing on the back?
2012-11-15T20:25:53 < zyp> strangely enough it's using a 10-pin footprint and not the 6-pin tag-connect swd footprint
2012-11-15T20:25:57 < zyp> yes
2012-11-15T20:26:06 < zyp> http://www.tag-connect.com/node/51 <- here is the cable for the swd footprint
2012-11-15T20:27:02 < zyp> http://www.tag-connect.com/tag-connect-2050-IDC-TG2050IDCNL <- I guess this is the one suited for use with the stellaris
2012-11-15T20:27:40 < emeb> meh - terminates in 0.1" ribbon.
2012-11-15T20:28:00 < emeb> another adapter required.
2012-11-15T20:30:59 < zyp> hmm, do you get the usb stuff working?
2012-11-15T20:31:01 <+Steffanx> oh, not even a bad price for a nice connector
2012-11-15T20:31:42 < emeb> zyp: trying to compile now. errors...
2012-11-15T20:31:49 < emeb> did a git clone git://git.jvnv.net/laks_demo
2012-11-15T20:31:55 < emeb> then git branch temp_f3
2012-11-15T20:32:03 < emeb> then scons
2012-11-15T20:32:05 < zyp> remember git submodule update
2012-11-15T20:32:10 < zyp> ;)
2012-11-15T20:32:41 < zyp> or if this was a full clone, you need both init, sync and update
2012-11-15T20:33:20 < emeb> yep - just did those too.
2012-11-15T20:33:36 < emeb> (you taught me that on blackmagic a few weeks back)
2012-11-15T20:34:00 < emeb> looks like my gcc won't do std=c++11
2012-11-15T20:34:13 < zyp> it requires gcc-4.7
2012-11-15T20:34:31 < zyp> that's a bit of a hassle, considering the launchpad stuff is still at 4.6
2012-11-15T20:34:39 < emeb> yeah - that's what I'm using.
2012-11-15T20:34:40 < zyp> hang on, I can send you a binary
2012-11-15T20:34:49 < emeb> ty
2012-11-15T20:35:03 < zyp> I saw they are planning to release 4.7 in a month or so
2012-11-15T20:35:34 < zyp> http://bin.jvnv.net/f/y4aF1/demo.elf
2012-11-15T20:36:03 < zyp> hope all peripheral addrs are equal to F30x then :p
2012-11-15T20:36:34 < emeb> ah - may not work. my xtal is 12MHz.
2012-11-15T20:36:43 < zyp> right
2012-11-15T20:36:50 < zyp> hang on a moment, I'll update that part
2012-11-15T20:40:34 < zyp> http://bin.jvnv.net/f/wOoko/demo.elf
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2012-11-15T20:41:08 < TitanMKD> hello
2012-11-15T20:41:13 < zyp> hi
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2012-11-15T20:43:48 < emeb> zyp: no joy.
2012-11-15T20:44:04 < zyp> hey, you have a debugger, check what's going on
2012-11-15T20:44:06 < zyp> :p
2012-11-15T20:45:03 < emeb> same "unable to enumerate" stuff that I get when trying to use the USB DFU bootloader.
2012-11-15T20:45:13 < emeb> upside though - the xtal is running...
2012-11-15T20:45:30 < zyp> hmm, does your gdb have python support?
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2012-11-15T20:46:28 < zyp> if not, just print the usb_rblog object, it's still readable without the pretty printing script
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2012-11-15T20:47:54 < emeb> don't think my gdb has it.
2012-11-15T20:48:21 < emeb> need to tweak the .gdbinit for ACM on linux vs cu.xxx on MacOS
2012-11-15T20:48:52 < zyp> «set print pretty on» (if you don't already have it in your ~/.gdbinit) and then just «p usb_rblog»
2012-11-15T20:49:15 < zyp> if it actually gets to the usb part and don't crash earlier
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2012-11-15T20:53:12 < emeb> looks like it's stuck in a loop at laks/usb/f1_usb.h:92
2012-11-15T20:53:41 < emeb> trouble is that I have my power set up to come from VBUS, so it's hard to debug from power up.
2012-11-15T20:54:02 < emeb> need to get power from somewhere else, start debugger & then attach to USB.
2012-11-15T20:55:07 < zyp> did it log anything?
2012-11-15T20:55:45 < zyp> hmm, the loop is the normal usb processing loop
2012-11-15T20:56:15 < emeb> http://pastebin.com/hV1VYf4d
2012-11-15T20:57:11 < emeb> that was from reset w/ USB still plugged in. Host didn't try to enumerate.
2012-11-15T20:57:25 < emeb> Try again from initial plugin
2012-11-15T20:57:40 < zyp> that sounds expected
2012-11-15T20:58:14 < zyp> since you've tied the pullup to vcc, the host always detects the device at plugin regardless of software state
2012-11-15T20:59:02 < zyp> and I don't have any code to signal a reattach from the device side when it's plugged in yet
2012-11-15T20:59:41 < zyp> so I had the same problem on F3 discovery
2012-11-15T21:00:03 < zyp> it enumerates when I plug it in, but when I reset it, it doesn't signal the host to perform a new enumeration
2012-11-15T21:00:25 < emeb> Yeah - not surprised by that part of it.
2012-11-15T21:00:28 < zyp> so it sits there unenumerated while the host thinks it's still enumerated
2012-11-15T21:00:34 < emeb> Yup.
2012-11-15T21:00:49 < emeb> But, it should work from initial plugin, and this doesn't.
2012-11-15T21:01:08 < zyp> is the log content any different?
2012-11-15T21:01:17 < emeb> http://pastebin.com/ZqpbBUF3
2012-11-15T21:01:50 < emeb> looks the same.
2012-11-15T21:01:53 < zyp> yeah
2012-11-15T21:02:07 < zyp> hang on
2012-11-15T21:05:45 < zyp> hmm, no, seems like the peripheral has no way to signal a disconnect
2012-11-15T21:06:21 < zyp> and I'm not sure how nice setting the lines to gpio and forcing them down would be :p
2012-11-15T21:07:15 < zyp> but you say built in bootloader exhibits the same behavior, that's a bit interesting
2012-11-15T21:07:25 < emeb> reran from plugin: here's new log -> http://pastebin.com/ReaTUKCM
2012-11-15T21:07:42 < zyp> ah, that looks better
2012-11-15T21:07:48 < emeb> can see all the resets as the host tries things..
2012-11-15T21:09:19 < emeb> yeah - from the host side this looks exactly like what happens w/ the bootloader.
2012-11-15T21:09:32 < zyp> the next thing that's supposed to happen after the reset is that the host sends a setup package, but I can't see any sign of that
2012-11-15T21:10:02 < emeb> hmm.
2012-11-15T21:10:09 < emeb> gonna try a different cable...
2012-11-15T21:10:21 < zyp> from the host perspective, it's probably just not getting the expected reply from the setup package
2012-11-15T21:10:46 < zyp> this is where an analyzer comes in handy :p
2012-11-15T21:11:03 < emeb> nope - cable swap made on diffference.
2012-11-15T21:11:43 < emeb> Yeah - analyzer would be good. I don't do enough of this work to justify it ATM.
2012-11-15T21:12:20 < zyp> by the way, are you testing this on linux? mind pastebinning the dmesg output?
2012-11-15T21:12:56 < emeb> http://pastebin.com/6FmNZw7z
2012-11-15T21:13:17 < zyp> wait, I found your problem
2012-11-15T21:13:28 < zyp> yes, and dmesg confirms
2012-11-15T21:13:52 < zyp> you have the pullup on D-, it's supposed to be on D+
2012-11-15T21:13:58 < zyp> (D- is LS, D+ is FS)
2012-11-15T21:14:57 < emeb> I was wondering about all the lowspeeds. :P
2012-11-15T21:15:04 < emeb> time for a hack...
2012-11-15T21:15:14 < zyp> :p
2012-11-15T21:17:14 < emeb> wonder how that happened...
2012-11-15T21:17:44 < zyp> I overlooked that first time I was looking at schematic
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2012-11-15T21:18:05 < emeb> understood.
2012-11-15T21:20:30 -!- dekar [~dekar@212.255.248.28] has quit [Ping timeout: 264 seconds]
2012-11-15T21:23:01 < emeb> worked!
2012-11-15T21:23:55 < emeb> but bootloader USB DFU still doesn't work.
2012-11-15T21:25:16 < zyp> maybe it doesn't like your 12 MHz crystal?
2012-11-15T21:26:06 < emeb> that's what I'm thinking.
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2012-11-15T21:26:24 < emeb> I see a respin of this board coming up with pullup fixed and 8MHz xtal.
2012-11-15T21:26:49 < emeb> don't need that tiny 12MHz pkg anyway - plenty of room for the slightly larger 8MHz pkg.
2012-11-15T21:28:01 < zyp> I suggest hooking the pullup to a gpio, so it can be turned off to signal a disconnect from software
2012-11-15T21:28:19 < emeb> good idea.
2012-11-15T21:28:42 < emeb> but I wonder how that is compatible w/ bootloader which doesn't assert the pullup.
2012-11-15T21:28:57 < zyp> that way it would always signal a disconnect when you reset the device, since it goes to input mode
2012-11-15T21:29:10 < zyp> hmm
2012-11-15T21:29:14 < zyp> make that a solder bridge?
2012-11-15T21:29:47 < emeb> or put in a transistor so default is pullup and GPIO can de-assert.
2012-11-15T21:30:45 < zyp> that's also a good option
2012-11-15T21:37:33 < emeb> Olimex schematic for H103 schematic uses 2 transistors + 6 resistors for controllable USB pullup. Blech. https://www.olimex.com/Products/ARM/ST/STM32-H103/resources/STM32-H103-sch.gif
2012-11-15T21:37:52 < emeb> seems it should be doable w/ 2 resistors + 1 PNP.
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2012-11-15T21:43:12 < zyp> yeah
2012-11-15T21:43:57 < zyp> maple guys are also using two transistors
2012-11-15T21:54:41 < emeb> maple's schematic looks almost identical to olimex's
2012-11-15T21:55:01 < emeb> even has the same net names. :)
2012-11-15T21:56:20 <+Steffanx> or just the other way around :P
2012-11-15T21:57:08 < emeb> not saying who copied who of course...
2012-11-15T21:57:33 <+Steffanx> ok ok :P
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2012-11-15T22:14:04 < prog> let's ask
2012-11-15T22:14:16 < emeb> OK - what's the meaning of life?
2012-11-15T22:14:20 <+Steffanx> 42
2012-11-15T22:14:33 < emeb> asked and answered - done.
2012-11-15T22:14:43 < prog> what would you recommend as IDE for the STM32
2012-11-15T22:14:48 < prog> (something for windows)
2012-11-15T22:14:58 <+Steffanx> coocox, keil, ..
2012-11-15T22:15:02 < emeb> I'm using CooCox - works fine.
2012-11-15T22:15:14 < emeb> dongs would likely suggest keil.
2012-11-15T22:15:15 <+Steffanx> And it's free
2012-11-15T22:15:17 < prog> does it have a debugger?
2012-11-15T22:15:20 < emeb> yes
2012-11-15T22:15:22 < prog> cool
2012-11-15T22:15:27 < emeb> works great w/ ST-Link
2012-11-15T22:15:32 <+Steffanx>  You have to install the toolchain yourself
2012-11-15T22:15:45 < emeb> which consists of downloading a zipfile and extracting it.
2012-11-15T22:15:59 < emeb> (and then telling CooCox where it is)
2012-11-15T22:16:01 < prog> eclipse based
2012-11-15T22:16:02 < prog> cool
2012-11-15T22:16:08 <+Steffanx> And configuring coocox emeb ?
2012-11-15T22:16:20 < emeb> yeah - what about it?
2012-11-15T22:17:34 < emeb> there are instructions on the CooCox site that give step-by-step process for configuring the compiler location.
2012-11-15T22:22:30 < prog> thank you
2012-11-15T22:23:41 < emeb> hope it works for you - seems fine to me.
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2012-11-15T22:25:42 < Laurenceb_> hi
2012-11-15T22:26:05 < emeb> ho
2012-11-15T22:26:56 <+Steffanx> Lo
2012-11-15T22:27:52 < baird> yo
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2012-11-15T22:45:56 < Laurenceb_> im confused by my L1 timers :/
2012-11-15T22:46:15 < Laurenceb_> seems to timer is 16mhz
2012-11-15T22:46:24 < jpa-> you go from family to family, confusing their timers
2012-11-15T22:46:24 < Laurenceb_> unless... its running of hsi
2012-11-15T22:46:29 < Laurenceb_> hehe
2012-11-15T22:46:41 < Laurenceb_> actually maybe i worked it out
2012-11-15T22:46:48 < Laurenceb_> the discovery code is really hard to follow
2012-11-15T22:46:57 < Laurenceb_> it must switch to hsi somewhere i missed
2012-11-15T22:47:14 < Laurenceb_> i thought i was clocking off msi or whatever its called
2012-11-15T22:47:25 < Laurenceb_> the configurable RC oscillator
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2012-11-15T23:01:43 < Laurenceb_> anyway... my linear actuator is too sucky  :(
2012-11-15T23:01:54 < Laurenceb_> too much backlash in the gearbox
2012-11-15T23:02:06 < Laurenceb_> www.ti.com/lit/wp/slay015/slay015.pdf  <-interesting
2012-11-15T23:04:42 <+Steffanx> "Wij van WC-eend adviseren WC-eend" <=  that's what i would say in dutch
2012-11-15T23:08:36 < Laurenceb_> L1 only loses on wakeup time
2012-11-15T23:08:43 < Laurenceb_> 8 microseconds as opposed to 1
2012-11-15T23:09:00 < Laurenceb_> looks like it beats or matches MSP430 on the rest
2012-11-15T23:09:26 < ds2> not on low pincount devices
2012-11-15T23:10:00 < emeb> Time's fun when you're having flies.
2012-11-15T23:10:16 < ds2> Mmm protien
2012-11-15T23:11:47 < emeb> Interesting article on optimal control for orienting spacecraft in this month's IEEE Spectrum: http://spectrum.ieee.org/aerospace/satellites/overclock-my-satellite
2012-11-15T23:12:08 < emeb> the computation required is probably too much for use on n-copters tho...
2012-11-15T23:12:21 < Laurenceb_> yeah optimal control is nice
2012-11-15T23:12:33 < Laurenceb_> i need optimal control on ym linear actuators :S
2012-11-15T23:13:09 < Laurenceb_> maybe ill take the motor off and fit a stepper
2012-11-15T23:13:47 < emeb> my guess is that for stuff you do in real-time, almost optimum is probably good enough. and requires a lot fewer CPU cycles.
2012-11-15T23:14:27 < emeb> Laurenceb_: what type of linear act. you using?
2012-11-15T23:14:34 < Laurenceb_> any form of decent control looks impossible atm :-/
2012-11-15T23:14:38 < Laurenceb_> firgelli L12
2012-11-15T23:15:06 < emeb> ah - servo.
2012-11-15T23:15:23 < emeb> standard pulse-position control?
2012-11-15T23:15:26 < Laurenceb_> yes
2012-11-15T23:15:34 < Laurenceb_> hence my l1discovery servo controller
2012-11-15T23:15:38 < Laurenceb_> massive overkill :P
2012-11-15T23:16:03 < ds2> emeb: you doing a ncopter?
2012-11-15T23:16:05 < Laurenceb_> i was trying with a solenoid before
2012-11-15T23:16:06 < emeb> I've got a little stepper with a worm-gear thru the center shaft that does linear motion.
2012-11-15T23:16:11 < Laurenceb_> emeb: yeah
2012-11-15T23:16:20 < emeb> ds2: no, but a lot of folks here do.
2012-11-15T23:16:23 < Laurenceb_> build it yourself?
2012-11-15T23:16:35 < Laurenceb_> im tempted to stick a stepper on my firgelli L12
2012-11-15T23:16:37 < emeb> Laurenceb_: no - got it surplus a long time ago.
2012-11-15T23:16:39 < Laurenceb_> ah
2012-11-15T23:16:51 < Laurenceb_> the leadscrew looks good on my L12
2012-11-15T23:17:01 < Laurenceb_> so ill try fitting a small stepper
2012-11-15T23:17:12 < Laurenceb_> the issue is with the gearbox
2012-11-15T23:17:22 < Laurenceb_> tons of backlash makes it unstable
2012-11-15T23:17:24 < emeb> I've also got a little X/Y stage with 1mil steppers that I tore out of an IC probe station back in college.
2012-11-15T23:17:32 < emeb> I've used it to draw very tiny pictures.
2012-11-15T23:17:37 < Laurenceb_> heh
2012-11-15T23:17:57 < ds2> emeb: oh? good to know... trying to amass parts myself for a quick and dirty one
2012-11-15T23:18:55 < emeb> That X/Y stage was a great find. Bought the whole probe station at a university surplus auction for $15. Threw most of it away but kept the stage and the vacuum chuck.
2012-11-15T23:35:10 < baird> lol, so it's came to this-- someone's remaking the IBM PC/5150: http://www.mtmscientific.com/pc-retro.html
2012-11-15T23:43:52 < Laurenceb_> http://www.flickr.com/photos/randomskk/7923056522/in/photostream
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2012-11-16T01:00:33 < baird> dongtime
2012-11-16T01:04:15 < emeb> dongtime no see?
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2012-11-16T01:17:40 < baird> ha ha time for ponies
2012-11-16T01:18:49 < emeb> baird: is a brony?
2012-11-16T01:42:50 < Laurenceb_> LOSER
2012-11-16T01:42:54 < Laurenceb_> ASSBURGERS
2012-11-16T01:43:01 < Laurenceb_> FOREVER ALONE
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2012-11-16T01:59:37 < baird> pika pika! http://www.jessicanigriofficial.com/wp-content/gallery/ashley-ketchum/pokemon_041.jpg
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2012-11-16T02:16:49 < dongs> hello dongs
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2012-11-16T02:26:27 < dongs> attn Laurenceb http://i.imgur.com/3NzUL.jpg
2012-11-16T02:27:26 < Erlkoenig> ooooooold
2012-11-16T02:39:21 < emeb> sup dongs
2012-11-16T02:40:13 < ds2> who's the quadcopter builders here?
2012-11-16T02:40:31 < dongs> hmm
2012-11-16T02:42:17 < Erlkoenig> Loetmichel in #mikrocontroller.net @ irc.euirc.net is a quadrocopter-übergeek
2012-11-16T02:42:25 < dongs> weird, TS also allows the card reader to confirm or determine the duration of bits, denoted Elementary Time Unit (ETU), as one third of the delay between the first and second H-to-L transition in TS. This is optional, and the principal definition of ETU in the ATR of standard-compliant asynchronous Smart Cards is 372 periods of the clock received by the card.
2012-11-16T02:42:34 < dongs> how would I implement this auto-etu using smartcard mode?
2012-11-16T02:42:38 < Erlkoenig> http://venturevillage.eu/how-to-be-german-part-1
2012-11-16T02:42:39 < emeb> dongs: zyp helped me get the F3 breakout working w/ BMP and spotted my screwup on the USB pullup.
2012-11-16T02:42:57 < dongs> the only way I can think of is using capture timer once to get the bit spacing
2012-11-16T02:43:04 < dongs> then resetting again and opening usart at that speed
2012-11-16T02:43:12 < dongs> emeb: o'rly? how hard was it to pull d+ to vcc?
2012-11-16T02:43:17 < dongs> or did you do wrong pine? or wat
2012-11-16T02:43:19 < dongs> er pin
2012-11-16T02:43:24 < emeb> I pulled D-
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2012-11-16T02:43:29 < dongs> doh, wth
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2012-11-16T02:43:40 < emeb> don't know. just stupidity.
2012-11-16T02:43:54 < emeb> anyway - zyp's ACM demo worked.
2012-11-16T02:44:09 < emeb> but USB DFU bootloader still doesn't.
2012-11-16T02:44:30 < emeb> suspect 12MHz xtal.
2012-11-16T02:44:36 < ds2> emeb: doesn't that change it from a low speed to a full speed device?
2012-11-16T02:45:18 < emeb> ds2: yeah - I was telling the host that the device was LS when it's really FS.
2012-11-16T02:45:31 < dongs> Hmm
2012-11-16T02:45:39 < dongs> emeb: well, put a 8mhz hc49 on there and see
2012-11-16T02:45:43 < ds2> ah, thought you were doing that on purpose (your logs showed that)
2012-11-16T02:45:47 < dongs> does it evne try to start up?
2012-11-16T02:47:25 < emeb> a pox on USB peripherals that don't have the pulls built-in.
2012-11-16T02:47:25 < emeb> why is that so hard to do?
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2012-11-16T02:49:05 < Erlkoenig> why is TIMx->CCR*  an uint32_t while in the F4 Reference Manual TIMx_CCR1 is a
2012-11-16T02:49:08 < Erlkoenig> 16 bit reg?
2012-11-16T02:49:18 < dongs> Erlkoenig: there are some 32bit timers.
2012-11-16T02:49:23 < emeb> dongs: I'll try w/ and 8MHz when I get some more boards in (just have the one now)
2012-11-16T02:49:25 < dongs> and timer register map is same
2012-11-16T02:49:33 < dongs> for 16/32bit timers.
2012-11-16T02:49:47 < Erlkoenig> aaaah okaaay
2012-11-16T02:49:59 < Erlkoenig> why didn't i know that :o
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2012-11-16T02:50:21 < ds2> thought the STM32s have internal pull ups
2012-11-16T02:50:26 < dongs> no they dont
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2012-11-16T02:50:52 < emeb> I believe the F4 has 'em. But that's a different IP core.
2012-11-16T02:50:53 < ds2> so SW needs to setup the USB port pretty quicky to avoid the host from timing out?
2012-11-16T02:51:20 < emeb> or else have the external PU hooked to a GPIO.
2012-11-16T02:51:31 < ds2> ah
2012-11-16T02:51:46 < ds2> via a transistor?
2012-11-16T02:51:59 < emeb> Some go straight to a GPIO, some use a transistor.
2012-11-16T02:52:02 < ds2> direct hookup would seem to be non USB compliant (backdrive)
2012-11-16T02:52:08 < ds2> how do you prevent backdrive?
2012-11-16T02:52:32 < emeb> don't know that it's a huge deal thru a 1.5k resistor.
2012-11-16T02:52:41 < ds2> it is more of a USB spec thing
2012-11-16T02:52:49 < emeb> don't know what the spec says.
2012-11-16T02:53:20 < ds2> AFAIK, any backdrive is forbidden
2012-11-16T02:53:26 < emeb> generally, GPIO powers up as input, so the PU looks like it's floating.
2012-11-16T02:53:53 < ds2> yes but after boot up, and hte host decides to cut V-bus, if you are still pulling to a local power source, you are backdriving
2012-11-16T02:53:55 < baird> http://www.theage.com.au/national/education/history-transformed-in-vce-exam-20121114-29ce7.html "...a huge robot helping socialist revolutionaries during the Russian Revolution..."
2012-11-16T02:54:27 < emeb> ds2: not backdriving if the pullup is to a GPIO configured as Hi-Z input. No current.
2012-11-16T02:54:39 < baird> I also have two 512MB RPis..
2012-11-16T02:55:14 < ds2> emeb: no.. consider this - you boot up, enable USB port by turning on the GPIO to enable the pull ups... this is all fine until host drops VBUS (I am assuming you are self pwered, not bus powered)
2012-11-16T02:57:19 < emeb> Assuming a self-powered board - yeah that would be a problem. My board is bus-powered, as is the BMP which I based the USB ifc on.
2012-11-16T02:57:29 < ds2> ah
2012-11-16T02:58:27 < emeb> the F105/7 & F4xx USB peripherals have Vbus sensing and internal pullups too - they would be able to detect that and avoid.
2012-11-16T02:58:46 < ds2> *nod*
2012-11-16T02:59:27 < emeb> F102/103 and F3xx USB peripherals are dumber though. No built-in Vbus sensing and no internal pullups.
2012-11-16T02:59:43 < ds2> oh crap
2012-11-16T02:59:48 < emeb> BMP senses Vbus w/ a divider & ADC input. IIRC.
2012-11-16T02:59:57 < ds2> that's the first oops fix I need for my board
2012-11-16T03:00:15 < dongs> you dont n eed adc for that.
2012-11-16T03:00:20 < emeb> left off the Vbus sensing?
2012-11-16T03:00:31 < ds2> left off vbus sensing and left off pull ups
2012-11-16T03:00:40 < ds2> was expecting internal pull ups like other sane processors
2012-11-16T03:00:41 < dongs> just voltage divider and gpio/exti
2012-11-16T03:00:50 < ds2> why not a FT gpio?
2012-11-16T03:00:54 < emeb> dongs: yep that works too.
2012-11-16T03:00:57 < ds2> forget dividers
2012-11-16T03:01:03 < dongs> well yeah
2012-11-16T03:01:30 < ds2> actually, why would I care about Vbus sensing?
2012-11-16T03:01:37 < emeb> I'd still put a resistor on it - if only for a bit of ESD isolation.
2012-11-16T03:01:49 < emeb> ds2: to prevent backdrive?
2012-11-16T03:02:04 < ds2> doing pull ups off of the VBUS line
2012-11-16T03:02:25 < ds2> and I'd expect a reset condition to alert me to a host connect
2012-11-16T03:03:00 < ds2> hopefully this won't make MUSB suddenly appear to be sane and angelic
2012-11-16T03:03:58 < emeb> well, there's that.
2012-11-16T03:06:41 < emeb> heh
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2012-11-16T04:48:46 < dongs> hmm
2012-11-16T04:49:06 < emeb_mac> it's quiet here..
2012-11-16T04:49:14 < dongs> lack of blog, for sure
2012-11-16T04:50:01 < emeb_mac> MS Surface ad - I wonder how long they'd last if you really slapped them around like that.
2012-11-16T04:50:04 < ds2> I2S broken
2012-11-16T04:50:16 < emeb_mac> what's wrong w/ I2S?
2012-11-16T04:52:04 < ds2> that's why it is so quiet here
2012-11-16T04:52:17 < emeb_mac> heehee
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2012-11-16T05:22:46 < dongs> what the fuck
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2012-11-16T05:30:09 < GargantuaSauce> dongs i want a reasonably powerful computing platform on a quadrotor, what would you recommend?
2012-11-16T05:30:34 < GargantuaSauce> like on the order of a gigaflop and a GB of rams
2012-11-16T05:30:50 < dongs> lunix
2012-11-16T05:30:59 < dongs> actually no
2012-11-16T05:30:59 < GargantuaSauce> i mean hardware
2012-11-16T05:31:08 < dongs> ziptie 4th generateion ipad to it.
2012-11-16T05:31:10 < dongs> done.
2012-11-16T05:31:13 < GargantuaSauce> lol
2012-11-16T06:02:32 < ds2> how powerful?
2012-11-16T06:02:38 < ds2> and how big of a motor are you using?
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2012-11-16T06:18:13 < dongs> Laurenceb_: why are you awake
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2012-11-16T06:32:57 < dongs> http://www.emcu.it/STM32andAPPLE/STM32andAPPLE.html
2012-11-16T06:32:58 < dongs> ???
2012-11-16T06:33:46 < dongs> they're a little late
2012-11-16T06:33:52 < dongs> 30pin connector is deader than NetBSD on desktop
2012-11-16T06:39:44 < baird> sniff ;_;
2012-11-16T06:41:37 < dongs> baird is the last stronghold of desktop netbsd
2012-11-16T06:41:46 < dongs> when hes gone it will truly be dead
2012-11-16T06:46:40 < baird> The NetBSD kernel contains code to automatically destroy the filesystem root directory if the attempt is made to run a DE, anyway.
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2012-11-16T06:58:46 < ds2> DE?
2012-11-16T06:59:32 < baird> 'Desktop Environment', KDE, GNOME, et.al.
2012-11-16T06:59:35 < dongs> i guess dekstop environment
2012-11-16T06:59:35 < dongs> yueah
2012-11-16T06:59:48 < dongs> http://i.imgur.com/PBprb.jpg almost.
2012-11-16T07:03:49 < baird> The video panel project?
2012-11-16T07:03:58 < dongs> y
2012-11-16T07:04:27 < dongs> hdmi>dp evalboards are coming sometime next week. i guess ill have panel running off displayporn on sunday or sro
2012-11-16T07:04:30 < dongs> sro=so
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2012-11-16T07:06:08 < ds2> Oh blah
2012-11-16T07:06:10 < ds2> yuck
2012-11-16T07:06:31 < dongs> ds2 and baird desktop envrionment is maximized  emacs
2012-11-16T07:08:41 < ds2> ewwwwwwwwwwwwww emacs
2012-11-16T07:11:57 < baird> Pretty much...
2012-11-16T07:13:56 < baird> Productivity, man: http://i.imgur.com/yJlhP.png
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2012-11-16T07:34:02 < gnomad> nah, productivity is running emacs in the framebuffer
2012-11-16T07:35:56 < ds2> productivity is killall -9 emacs
2012-11-16T07:35:57 < ds2> :)
2012-11-16T07:36:21 < baird> Hmm, NetBSD doesn't actually have framebuffer consoles like Linux.. :/
2012-11-16T07:36:58 < ds2> really? not even on say NetBSD/Sparc?
2012-11-16T07:39:53 < baird> That's just-about a 'BIOS' console-- using openfirmware calls. You don't get direct video memory access, as I recall. Its sloooooooooow. For sparc, mac68k, etc. w/ NetBSD, I've always started up X and fullscreen'd  xterm..
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2012-11-16T07:40:34 < ds2> slow is one word... I'd use painful
2012-11-16T07:41:18 < baird> No virtual consoles either on  non-x86
2012-11-16T07:42:33 < ds2> how do they do netbsd with those features specific to a platform? thought it'd be common code
2012-11-16T07:42:36 < baird> Whyyy did the true inheritor of the BSD Legacy (and all the smart developers) go so wrooooooong.
2012-11-16T07:43:29 < ds2> netbsd is the true decendant? thought FreeLSD claims that?
2012-11-16T07:44:02 < gnomad> historically, FreeBSD was the x86 fork
2012-11-16T07:44:19 < baird> 4.4BSD -> 386BSD -> NetBSD; FreeBSD forked from Net, Open a the same few a years later.
2012-11-16T07:44:39 < ds2> i've heard claims that netbsd is dead and freebsd is the way forward
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2012-11-16T07:47:37 < dongs> http://hugelol.org/i/9158.gif hahaha
2012-11-16T07:48:36 < baird> As for the 'platform specific' features, at the low-level it's just controlling a specific hardware device, so hardware like the  16450 UART on a ISA bus is little different from the kernel's point-of-view to an Amiga's A2262 on a Zorro. The NetBSD designers made that a big point of the system design.
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2012-11-16T07:50:00 < ds2> I don't get that... on Linux, you implement a UART, you get all the UART benefits
2012-11-16T07:50:14 < ds2> so you implement basic graphics, you get console, etc
2012-11-16T07:50:49 < baird> There's quite a few wins from that, like when the SPARC PCI machines appeared, and the ports could compile the same code as that used by Wintel hardware.
2012-11-16T07:53:32 < cdh> Back in '93, I ran NetBSD on my Sun desktop.  It ran SunOS apps as well as NetBSD apps.  If I recall, NFS performance wasn't at all as good as SunOS, but VM and local filesystem access was much better.  It used a rendered framebuffer console (you could choose the font), and didn't use the OpenBoot PROM once the driver initialized.
2012-11-16T08:00:05 < cdh> Sorry, I meant in '94.  In '93, I was still wishing I could try NetBSD, but didn't have a PC.  Patches for the Amiga started appearing sometime in late '93, but I was too scared to try it until late '94 on the Amiga.  Didn't feel fast enough (on an '030 at the time), so I didn't like it over AmigaDOS.
2012-11-16T08:01:15 < ds2> did the amiga port supported the multimedia hw on there?
2012-11-16T08:01:40 < baird> Speaking of 1993-4, I've now got Doom (I & II & III) on the PS3. It's /awesome/ :D
2012-11-16T08:02:22 < cdh> You could run X on it, if that's what you're asking.
2012-11-16T08:02:54 < baird> I had to live off fish-finger sandwiches for 9 months to save up the money for my first Unix machine.. (at least, it was a good one: SCSI, 486DX33, 1024x768x256, ... :)
2012-11-16T08:03:10 < baird> (in 1994)
2012-11-16T08:03:51 < ds2> the amiga had special hw for sound and grpahics
2012-11-16T08:04:50 < ds2> it can either be a more or less generic 68K port or could take advantage of the hw
2012-11-16T08:04:51 < cdh> Net Doom was a blast.  I had a few friends who also worked at the University.  We'd play Doom until the next day, which by the way, really crapped up the next day.
2012-11-16T08:05:40 < baird> A 486, with an Adaptect 1542CF SCSI adapator, 330MB SCSI-1 drive, ... One of the first things I did after installed NetBSD-0.9 was compile TeX from source. "Oh My God, I'm running -real- TeX!"
2012-11-16T08:06:10 < cdh> ds2:  I don't recall ever hearing audio from my Amiga running NetBSD, so I'd have to say the port was pretty generic.
2012-11-16T08:07:10 < ds2> ah
2012-11-16T08:07:51 < cdh> 330MB?  That was a pretty big hard drive back then.  I've got a 660 in the garage (from 1996) that I've not powered on in the last 11 years.  I wonder if the data is still there...
2012-11-16T08:08:38 < baird> It cost AU$770 new..
2012-11-16T08:09:29 < baird> The 1542CF was $425 .. I had aspirations of running a full-on Public Access hub, as I was already with APANA by then.
2012-11-16T08:10:05 < baird> Read at ~450kB/s, write at 350kB/s..
2012-11-16T08:10:20 < ds2> I remember the 1542's
2012-11-16T08:16:09 < cdh> I don't.  Had to go look it up.  I had a 1541.  I remember when I got it -- a big personal accomplishment let down.  All the programs I had written to that day fit on a single floppy.
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2012-11-16T08:35:28 < ds2> is the 1542 the "DMA" ISA one?
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2012-11-16T09:32:49 < zyp> contrary to popular belief, I think all the stm32s with usb do have internal pullup on d+, but there is an errata on certain families that it's of the wrong value and out of usb spec, so it's recommended to not use it
2012-11-16T09:33:28 < dongs> ha
2012-11-16T09:35:20 < zyp> hmm, no mention of it in F3 errata sheets
2012-11-16T09:36:13 < dongs> http://i.imgur.com/PBprb.jpg displaydong shit is here.
2012-11-16T09:36:50 < zyp> I saw it
2012-11-16T09:37:46 < zyp> hmm, F3 doesn't appear to mention internal pullup at all, maybe they just gave up :p
2012-11-16T09:40:20 < zyp> it's mentioned in the L1 errata sheet
2012-11-16T09:40:23 < zyp> «The pull-up resistor on USB line is requested to have a nominal value of 1.5 kΩ whereas, the characterization of the internal pull-up shows a value between 0.81 kΩ and 0.95 kΩ on the full temperature range.»
2012-11-16T09:41:03 < zyp> Workaround: An external pull-up resistor controlled by a GPIO can be used.
2012-11-16T09:44:09 < zyp> heh, TI are complaining that they can't collect payment on my stellaris order
2012-11-16T09:44:23 < zyp> after they shipped it
2012-11-16T09:50:17 < dongs> anyone got any 2l pcbs to panel?
2012-11-16T09:50:30 < dongs> zyp: haha yes same
2012-11-16T09:50:35 < dongs> the paypal agreement expired
2012-11-16T09:50:41 < dongs> so they cant re-auth it
2012-11-16T09:50:51 < dongs> i think the paypal shit is only like 15 days or something once you pre-authorize a sale
2012-11-16T09:51:29 < ds2> given all the crap 2L services around, does it make sense to do 2L's like this?
2012-11-16T09:51:54 < dongs> ds2, if the price == shipping, i'd say so haha.
2012-11-16T09:52:43 < zyp> hmm, I want some boards from emeb's bmp clone design
2012-11-16T09:52:50 < dongs> oh, thats not a bad idea
2012-11-16T09:52:58 < dongs> where is that lazy bastard
2012-11-16T09:53:11 < zyp> just went asleep, probably
2012-11-16T09:53:19 < dongs> This computer has gone to sleep
2012-11-16T09:53:34 < dongs> ill dong him as he shows up later today
2012-11-16T09:53:44 < dongs> i dont think this panel is going today yet, not enough shit on it
2012-11-16T09:54:25 < zyp> I'd like five or so
2012-11-16T09:54:58 < zyp> but you can just keep the boards until I'm done with the lpc4300 stuff and ship it together
2012-11-16T09:55:50 < dongs> im probly keepin them forever then
2012-11-16T09:55:51 < dongs> :)
2012-11-16T09:55:54 < zyp> maybe I'll have you panelize both designs on a stencil too, so I can see how awesome your metal stencils are
2012-11-16T09:55:57 < dongs> maybe emeb will fix his  F3 breakout
2012-11-16T09:56:03 < dongs> and I can add that in too.
2012-11-16T09:57:19 < dongs> ya the stencils are so awesome.
2012-11-16T09:57:21 < zyp> I'll probably get the lpc4300 done some time during next week/weekend or so
2012-11-16T09:58:09 < zyp> I've had a friend over the last few weeks, so I haven't really cared to do much useful stuff
2012-11-16T10:02:00 < ds2> dongs: oh
2012-11-16T10:02:11 < ds2> dongs: if it iwas like that...
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2012-11-16T10:20:14 < dongs> those silly male friends
2012-11-16T10:30:10 < zyp> nothing wrong with having friends
2012-11-16T10:35:43 < baird> ..up until they outstay their welcome... "Yeah, it's been 3 months. Now, it's time for you to Fuck Off." :p
2012-11-16T10:38:32 < zyp> ah, but it's not like that
2012-11-16T10:39:39 < zyp> and we used to be housemates a few years ago, so I'm kind of used to having him around anyway :p
2012-11-16T10:39:47 < baird> Brisbane Sharehousing flashback. :)
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2012-11-16T11:03:35 < baird> Seems like one of my new (512M) RPis has dodgy RAM. Crashes soon after boot normally, stable when given an older start.elf that limits to 240MB.. The other new RPi doesn't have the sample problem..
2012-11-16T11:03:49 < dongs> heh
2012-11-16T11:04:29 < dongs> dongleberry
2012-11-16T11:07:55 < dongs> which is the shitty touch screen? resistive or capacitative
2012-11-16T11:08:15 < zyp> that probably depends on your viewpoint
2012-11-16T11:08:39 < dongs> surely there's a blanket statemetn taht can be used
2012-11-16T11:08:43 < dongs> <insert touch screen here> sucks!
2012-11-16T11:08:47 < zyp> the latter is the one used on all modern stuff
2012-11-16T11:09:02 < dongs> can resistive do multidongtouch?
2012-11-16T11:10:07 < zyp> no idea, I think I've only seen capacitive multitouch
2012-11-16T11:14:35 < dongs> srs lack of blog
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2012-11-16T11:23:21 < dongs> 109/19/2012 - Delivery Date Past Du
2012-11-16T11:23:26 < dongs> way to go digikey
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2012-11-16T11:33:26 < dongs> http://tw.richtek.com/download.jsp?t=UyUyRmFzc2V0cyUyRjIwMDglMkYwNSUyRjIwJTJGdGVjaGRvYzM5MzI2eWlvY3YucGRmJTNEJTNE%0AJTNERm9vdHByaW50cy0wODAzMTFD
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2012-11-16T12:15:35 < dongs> http://unbfacts.blogspot.in/2012/11/man-feed-his-dog-using-twitter.html
2012-11-16T12:15:38 < dongs> assburgers
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2012-11-16T12:41:42 < dongs> http://www.theregister.co.uk/2012/11/15/ipad_mini_stolen_jfk/ haha
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2012-11-16T12:54:05 < dongs> most TO252-5 I see the 3rd pin is also tab
2012-11-16T12:54:15 < dongs> i wonder if I should even bother makign a pad for 3rd pin
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2012-11-16T13:39:33 < dongs> 3C/W for thetaJC, does that mean the shit will onyl heat up 3C for each watt dissipated? seems kinda low
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2012-11-16T14:20:11 < dongs> cool chats
2012-11-16T14:20:21 < zyp> what's up?
2012-11-16T14:20:39 <+Steffanx> Tha sky
2012-11-16T14:20:53 < zyp> Steffanx, shut up
2012-11-16T14:21:02 < dongs> bloggin
2012-11-16T14:21:03 <+Steffanx> No Boss
2012-11-16T14:21:12 < zyp> or say something interesting
2012-11-16T14:21:25 < dongs> ordered http://www.adafruit.com/products/882 but its coming to america first then waits until my nexus4 arrives there.. so I wont see it for a month at least.
2012-11-16T14:21:50 <+Steffanx> I've a clone of that one
2012-11-16T14:22:06 <+Steffanx> Actually, not a clone
2012-11-16T14:22:07 < dongs> in a month, I could have just made my own on the opensores pcbs etc but i mlazy
2012-11-16T14:22:47 <+Steffanx> It seems to work pretty well. Have no equipment to compare the results with though
2012-11-16T14:23:12 <+Steffanx> zyp, ignore me.. that helps
2012-11-16T14:23:27 < zyp> nah, you say something interesting once in a while
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2012-11-16T14:25:32 <+Steffanx> Heh, I see i forgot to turn that fancy "Assistant" off. No the battery is empty
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2012-11-16T14:28:01 <+Steffanx> It needs some modifications.. like two AA batteries instead of a signle CR2032. The case is large enough
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2012-11-16T14:29:37 <+Steffanx> Correction, case is not large enough
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2012-11-16T14:49:26 < dongs> bad news for all twinkie eaters http://money.cnn.com/2012/11/16/news/companies/hostess-closing/index.html
2012-11-16T14:49:57 <+Steffanx> Can't care less
2012-11-16T14:52:09 <+Steffanx> Is this one good Laurenceb ? http://www.naffets.nl/share//a-20121116-135158.jpg
2012-11-16T14:52:16 < dongs> hmm,
2012-11-16T14:52:17 < dongs>  fuck
2012-11-16T14:52:22 < dongs> 2khz bandwidth on tht current meter
2012-11-16T14:52:31 < dongs> isnt that sorta low
2012-11-16T14:52:38 < karlp> so, 4.99 for stellaris launchpad, 3.71 in taxes, and 5.87 to the local fedex agent for "handling for unregistered customer"
2012-11-16T14:52:42 < karlp> awesome.
2012-11-16T14:52:53 < karlp> stayed under triple the cost! w000
2012-11-16T14:53:17 <+Steffanx> Next time ship it to somewhere else in europe and then ship it to you :P
2012-11-16T14:54:10 < karlp> that would save me the fed ex rapery, but the post office likes to charge customs and handling too, about 4.50 or so, and they also like to sit on it for a week or two
2012-11-16T14:54:56 < karlp> I wonder why they didn't just stick a postal label on the launchpad box itself
2012-11-16T14:55:25 <+Steffanx> They also charge customs and handling when it's from the UK, germany or whatever country that's "close" to iceland?
2012-11-16T14:55:36 < karlp> sure.
2012-11-16T14:55:45 < karlp> iceland is not in the eu.
2012-11-16T14:56:01 < karlp> so fixed 25.5% vat, and "handling" is just always, just because.
2012-11-16T14:56:12 < karlp> customs too, depending on the product of course
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2012-11-16T14:56:26 < karlp> why did ti put the female pins on the bottom of the launchpad?
2012-11-16T14:57:35 <+Steffanx> There's no other agreement between the EU and iceland?
2012-11-16T14:57:41 <+Steffanx> EEA ..
2012-11-16T14:58:08 < karlp> EEA, sure.
2012-11-16T14:59:54 <+Steffanx> Doesn't that mean it's free to move around goods between those countries.
2012-11-16T15:00:01 <+Steffanx> Nah, whatever .. maybe i shouldn't care :)
2012-11-16T15:00:15 < karlp> free movement of labour, not of goods.
2012-11-16T15:00:22 < karlp> and _some_ freedoms for goods
2012-11-16T15:06:44 <+Steffanx> Here they only seem to bitch about the EU, maybe this is a good reason to be in it :)
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2012-11-16T15:35:08 < LongChair> hello everyone
2012-11-16T15:35:33 < LongChair> I am having some issues with the use of the gcc toolchain for stm32F1 chip
2012-11-16T15:35:46 < LongChair> is this the right channel to look for some tipe ? :)
2012-11-16T15:35:50 < LongChair> tips
2012-11-16T15:36:17 < Erlkoenig> https://launchpad.net/gcc-arm-embedded <- use that toolchain, it works™ :>
2012-11-16T15:36:41 < LongChair> this is the one i am using
2012-11-16T15:36:49 < Erlkoenig> oh good ^.^
2012-11-16T15:37:08 < LongChair> i'll detail a bit more what my issue is
2012-11-16T15:37:33 < LongChair> basically I have been using up to now keil .. but i have hit the 32k limit of the free version
2012-11-16T15:37:59 < LongChair> so i have decided to move to gcc
2012-11-16T15:38:13 < LongChair> I found the following link to install the whole toolchain : http://hertaville.com/2012/05/28/gcc-arm-toolchain-stm32f0discovery/
2012-11-16T15:39:07 < LongChair> first of all I haven't been able to find a linker script which would work for gcc and stm32F1 ... is there any known place where i can find that ?
2012-11-16T15:39:47 < Erlkoenig> use the ST example for the atollic toolchain, that works with GCC
2012-11-16T15:40:18 < LongChair> second, I have tried to make a very basic project with onmy a small main() in main .c, then the startup assembly file corresponding to my chip that is startup_stm32f10x_md.s and then the system_stm32f10x.c
2012-11-16T15:40:27 < LongChair> the project compile
2012-11-16T15:40:37 < LongChair> i can load it through eclipse with openocd
2012-11-16T15:40:50 < LongChair> but when i run it .. it will kind of hang on bl main
2012-11-16T15:41:09 < zyp> are you compiling with the right flags?
2012-11-16T15:41:10 < Erlkoenig> without a linker script, nothing works, so first get one
2012-11-16T15:41:15 < zyp> -mthumb and so on
2012-11-16T15:41:25 < LongChair> okay very nice, i'll do it right away
2012-11-16T15:47:14 < LongChair> all right I have retried the linker script from stdperiph lib templates
2012-11-16T15:47:49 < LongChair> I took the one from the STM3210B-EVAL board because that seem to be also a stm32f103 as the one i have on my board
2012-11-16T15:48:07 < LongChair> the debug starts fine, and i can step up to the bl main instruction
2012-11-16T15:48:25 < LongChair> when i try to step into bl min it will hand
2012-11-16T15:48:27 < LongChair> hang
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2012-11-16T15:48:45 < Erlkoenig> what happens if you hit interrupt?
2012-11-16T15:48:49 < zyp> hang how? what's the register contents?
2012-11-16T15:49:02 < Erlkoenig> he probs gets a hardfault or something
2012-11-16T15:49:16 < LongChair> if i hit interrupt cursor will be in the first { of the main function
2012-11-16T15:49:27 < zyp> Erlkoenig, or possibly lockup
2012-11-16T15:49:45 < zyp> LongChair, what's the contents of the sp register before you step into bl main?
2012-11-16T15:49:53 < LongChair> lemme check
2012-11-16T15:51:07 < zyp> if sp is invalid, any stack usage will trigger a hardfault, and then it will fail to execute the hardfault handler (due to the still invalid stack) and go to lockup
2012-11-16T15:51:52 < zyp> so please check sp before problem, and then pc and psr after stepping into the problem
2012-11-16T15:51:58 < LongChair> sp = 0x20005000
2012-11-16T15:52:08 < zyp> that sounds valid
2012-11-16T15:52:13 < LongChair> before entering bl main
2012-11-16T15:52:34 < LongChair> pc = 	0x080002a3	
2012-11-16T15:52:38 < LongChair> before
2012-11-16T15:53:06 < zyp> psr might be named xpsr or cpsr depending on your debugger stuff
2012-11-16T15:53:20 < LongChair> when i am on the bl main and hit F5 (step into)
2012-11-16T15:53:28 < LongChair> the debugger will hang
2012-11-16T15:53:33 < LongChair> and pc / sp will not change
2012-11-16T15:53:49 < zyp> don't use step into, use step instruction
2012-11-16T15:53:49 < LongChair> cpsr = 0
2012-11-16T15:54:13 < LongChair> main contains a while (1) it will not step over
2012-11-16T15:54:31 < zyp> still, use step instruction
2012-11-16T15:54:34 < LongChair> ok
2012-11-16T15:55:30 < LongChair> i wann point out something whihc migh be a problem though
2012-11-16T15:55:35 < LongChair> just before bl min
2012-11-16T15:55:38 < LongChair> bl main
2012-11-16T15:55:53 < LongChair> there is bl SystemInit()
2012-11-16T15:56:09 < LongChair> if i hit F6 (step over) bl SystemInit()
2012-11-16T15:56:31 < LongChair> the cursor will stop on SetSysclock
2012-11-16T15:56:54 < LongChair> I can then hit again F6 and it will continue .. but it's wierd because i have no breakpoint on this functions
2012-11-16T15:57:02 < LongChair> is this normal ?
2012-11-16T15:57:13 < zyp> does not sound normal
2012-11-16T15:59:06 < LongChair> yeah that's what i was thinking as well
2012-11-16T16:03:11 < LongChair> i'm not a disassembly expert but when i look at the first line of the systemInit function
2012-11-16T16:03:27 < LongChair>           SystemInit:
2012-11-16T16:03:27 < LongChair> 08000120:   ldr r3, [pc, #228]      ; (0x8000208 <SystemInit+232>)
2012-11-16T16:03:27 < LongChair>  219      {
2012-11-16T16:03:28 < LongChair> 08000122:   sub sp, #8
2012-11-16T16:03:28 < LongChair>  222        RCC->CR |= (uint32_t)0x00000001;
2012-11-16T16:03:28 < LongChair> 08000124:   ldr r2, [r3, #0]
2012-11-16T16:03:28 < LongChair> 08000126:   orr.w r2, r2, #1
2012-11-16T16:03:28 < LongChair> 0800012a:   str r2, [r3, #0]
2012-11-16T16:03:29 < LongChair>  226        RCC->CFGR &= (uint32_t)0xF8FF0000;
2012-11-16T16:03:29 < LongChair> 0800012c:   ldr r1, [r3, #4]
2012-11-16T16:03:30 < LongChair> 0800012e:   ldr r2, [pc, #220]      ; (0x800020c <SystemInit+236>)
2012-11-16T16:03:52 < LongChair> r2 shouls be the address of rcc ?
2012-11-16T16:05:41 < zyp> no, r3
2012-11-16T16:06:20 < zyp> r3 is loaded from [pc, #228] which is somewhere in the constant pool following the function, which contains the RCC addr
2012-11-16T16:07:53 < LongChair> yes but then both R2 and R3 have the same value which is 0x20000014
2012-11-16T16:08:02 < LongChair> whihc doesn't look to be the RCC address
2012-11-16T16:08:53 < zyp> no, the last instruction loads r2 from the constant pool, which according to the line of C I'd guess contain 0xf8ff0000
2012-11-16T16:08:55 < LongChair> so bad rcc adress means it will write at the wrong place, which might cause it to hang
2012-11-16T16:09:37 < zyp> 0x20000014 is somewhere in the beginning of ram
2012-11-16T16:09:44 < zyp> i.e. some global variable
2012-11-16T16:09:47 < LongChair> yes
2012-11-16T16:10:25 < LongChair> so do we agree that that rcc should not be at that value ?
2012-11-16T16:10:36 < zyp> are you sure you halted at the right place when you read that?
2012-11-16T16:10:52 < zyp> what is pc now?
2012-11-16T16:11:20 < LongChair> basically R2 and R3 will not change between before the line and after it
2012-11-16T16:11:35 < LongChair> pc is pc	0x0800012d	 now
2012-11-16T16:12:15 < LongChair> when i open keil and look at waht should RCC be in my other project
2012-11-16T16:12:55 < zyp> rcc is in peripheral space, 0x40000000 + something
2012-11-16T16:13:00 < LongChair> it's an address based at least 0x40000000
2012-11-16T16:13:03 < zyp> so that part is fine
2012-11-16T16:13:04 < LongChair> yes exactly
2012-11-16T16:13:34 < LongChair> but this should be stored in r2 or R3 at some point or ?
2012-11-16T16:14:02 < LongChair> because these are the registers used in RCC->CR = 1 disassembly
2012-11-16T16:14:12 < zyp> it's easy to check, check what value your elf has stored at 0x08000208
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2012-11-16T16:14:43 < zyp> should be 0x40021000
2012-11-16T16:14:52 < zyp> (which is RCC)
2012-11-16T16:15:43 < LongChair> yes .. where is the memory dump window in eclipse ?
2012-11-16T16:16:09 < zyp> no idea, I'm only using command line tools
2012-11-16T16:16:28 < LongChair> ok got it
2012-11-16T16:16:31 < LongChair> 0x08000204  ???????? 40021000                                                                                                              ????...@
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2012-11-16T16:16:43 < zyp> so that part is right
2012-11-16T16:16:44 < LongChair> so that's right obviously
2012-11-16T16:17:50 < zyp> so the weirdness is likely in your debugger and not your code
2012-11-16T16:18:14 < LongChair> yeah that is strange
2012-11-16T16:18:27 < LongChair> could this be a compilation flag ?
2012-11-16T16:18:41 < zyp> what could?
2012-11-16T16:19:09 < LongChair> because I grabbed the makefile from another project .. it had compilation options and i didn't modify anything except the list of files
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2012-11-16T16:20:16 < zyp> you basicly want to get -mcpu=cortex-m3 and -mthumb right, the rest is not so important
2012-11-16T16:21:22 < LongChair> hmmz
2012-11-16T16:21:34 < LongChair> yeah looks like i have these options
2012-11-16T16:21:42 < LongChair> here is my complation log :
2012-11-16T16:21:43 < LongChair> make all
2012-11-16T16:21:43 < LongChair> arm-none-eabi-gcc -x assembler-with-cpp -c -mcpu=cortex-m3 -g -gdwarf-2 -mthumb  -Wa,-amhls=.\startup\startup_stm32f10x_md.lst   .\startup\startup_stm32f10x_md.s -o .\startup\startup_stm32f10x_md.o
2012-11-16T16:21:43 < LongChair> arm-none-eabi-gcc -c -mcpu=cortex-m3 -Os  -gdwarf-2 -mthumb   -fomit-frame-pointer -Wall -Wstrict-prototypes -fverbose-asm -Wa,-ahlms=.\Main\main.lst -DSTM32F10X_MD -DUSE_STDPERIPH_DRIVER -DUSE_STM3210B_EVAL  -DRUN_FROM_FLASH=1 -MD -MP -MF .dep\main.o.d  -I . -I.\Main -I..\..\Libraries\CMSIS\Device\ST\STM32F10x\Include -I..\..\Libraries\CMSIS\Include -I..\..\Libraries\STM32F10x_StdPeriph_Driver\inc -I..\..\Libraries\STM32_USB-FS-D
2012-11-16T16:21:43 < LongChair> .\Main\main.c: In function 'main':
2012-11-16T16:22:16 < dongs> In function 'man':
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2012-11-16T16:22:23 < dongs> well, that was interesting
2012-11-16T16:22:27 < zyp> heh
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2012-11-16T16:22:39 < LongChair> oops sorry for the flood :)
2012-11-16T16:22:44 < zyp> use some pastebin
2012-11-16T16:22:45 < LongChair> i'll use psatebin
2012-11-16T16:22:55 < dongs> bcas.tv/paste for example
2012-11-16T16:23:08 < LongChair> http://pastebin.com/fT8Pswtr
2012-11-16T16:23:10 < zyp> quick, everybody list your favorite pastebin!
2012-11-16T16:23:16 < LongChair> haha
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2012-11-16T16:25:13 < Mobyfab> Hi
2012-11-16T16:25:44 < LongChair> basically is seem to have the following flags : -c -mcpu=cortex-m3 -Os  -gdwarf-2 -mthumb   -fomit-frame-pointer -Wall -Wstrict-prototypes -fverbose-asm -Wa
2012-11-16T16:26:20 < zyp> looks fine
2012-11-16T16:26:43 < zyp> did you get the startup code and linker script from the same place?
2012-11-16T16:27:37 < zyp> startup code usually relies on some symbols defined by the linker script, so they usually go hand in hand
2012-11-16T16:27:57 < LongChair> yes
2012-11-16T16:28:09 < LongChair> both come from the stdperiph lib
2012-11-16T16:28:22 < zyp> ok, that part should be fine then
2012-11-16T16:28:24 < LongChair> well .s comes from CMSIS
2012-11-16T16:28:38 < LongChair> and linker from stdperiph lib .. in the atolic templates
2012-11-16T16:29:00 < zyp> do the atollic templates have the same startup code or different?
2012-11-16T16:30:15 < LongChair> this is a good question .. lemem check
2012-11-16T16:31:51 < Laurenceb> http://pastebin.com/n5aQ6Cvg
2012-11-16T16:31:58 < Laurenceb> theres someone who does have an excuse
2012-11-16T16:32:37 < LongChair> all right
2012-11-16T16:33:07 < LongChair> I i have overwritten my startup file with the one under CMSIS/..../Atolic
2012-11-16T16:33:15 < LongChair> now i get a compilation error
2012-11-16T16:33:34 < LongChair> c:/program files (x86)/gnu tools arm embedded/4.6 2012q4/bin/../lib/gcc/arm-none-eabi/4.6.2/../../../../arm-none-eabi/lib/armv7-m\libc.a(lib_a-init.o): In function `__libc_init_array':
2012-11-16T16:33:34 < LongChair> init.c:(.text.__libc_init_array+0x1e): undefined reference to `_init'
2012-11-16T16:33:55 < Laurenceb> try ride7
2012-11-16T16:34:02 < Laurenceb> the startup from ride7
2012-11-16T16:34:17 < LongChair> but then i need the linker script from ride7 as well ?
2012-11-16T16:34:35 < Laurenceb> NO
2012-11-16T16:34:48 < Laurenceb> i dont have the energy to do this
2012-11-16T16:34:51 < zyp> Laurenceb might be better than me on suggestions for where to steal working startup code and linker script from
2012-11-16T16:35:12 < zyp> I just gave up and wrote my own when I realized everything were a mess :p
2012-11-16T16:35:21 < LongChair> haha
2012-11-16T16:35:38 < Laurenceb> seriously
2012-11-16T16:35:45 < LongChair> ok lawrence, so i take the ride7 startup file .. and linker script ?
2012-11-16T16:35:53 < Laurenceb> you can get gcc working with any of the example projects
2012-11-16T16:35:59 < Laurenceb> ok ill help you...
2012-11-16T16:36:19 < Laurenceb> go to my github, look for f3 template project
2012-11-16T16:36:25 < Laurenceb> read the linker and makefile
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2012-11-16T16:36:42 < Laurenceb> repeate for your project
2012-11-16T16:37:04 < zyp> in that case, remember that F3 is cortex-m4 and F1 is cortex-m3
2012-11-16T16:37:09 < Laurenceb> sure
2012-11-16T16:37:09 < Mobyfab> any expert with timers?
2012-11-16T16:37:18 < dongs> emeb_mac: beep
2012-11-16T16:37:21 < Laurenceb> and st clusterfucked and changed all the directory structure
2012-11-16T16:37:22 < LongChair> any link to your github ?
2012-11-16T16:37:25 < zyp> Mobyfab, expert how?
2012-11-16T16:37:31 < dongs> emeb_mac: is your BMP clone shit done?
2012-11-16T16:37:34 < Laurenceb> but the general principles apply
2012-11-16T16:37:49 < Laurenceb> search for laurenceb on github
2012-11-16T16:37:54 < Mobyfab> timers chaining/trigger and that kind of things
2012-11-16T16:37:56 < emeb_mac> dongs: the design is off to the PCB fab
2012-11-16T16:38:04 < emeb_mac> still need to order parts
2012-11-16T16:38:19 < dongs> right. i got some extra space on a panel im submittingh tomorow, so i was gonna get that + 373 breakouts made.
2012-11-16T16:38:50 < emeb_mac> dongs: cool. I reworked the 373 design last night to fix the bugs I found yesterday
2012-11-16T16:38:57 < dongs> right.
2012-11-16T16:39:01 < dongs> heard from zyp
2012-11-16T16:39:06 < emeb_mac> you want gerbers?
2012-11-16T16:39:14 < dongs> yep, if its ok / if you have them
2012-11-16T16:39:29 < dongs> no promises but I think both should fit into the stuff im sending out
2012-11-16T16:39:36 < emeb_mac> sure. I'll send them in a bit - need to get on the other computer tho
2012-11-16T16:39:38 < dongs> ill know tomorow
2012-11-16T16:39:39 < dongs> yeah
2012-11-16T16:39:43 < zyp> dongs, I'm up for five or so of them clones
2012-11-16T16:39:48 < dongs> im fof to sleep so you cna like email or somethin
2012-11-16T16:39:51 < dongs> zyp: yeah, noted
2012-11-16T16:40:01 < Erlkoenig> SYSCLK_Frequency = 525000000   ... wtf
2012-11-16T16:40:08 < dongs> its over 900 mhz
2012-11-16T16:40:30 < emeb_mac> dongs: got it
2012-11-16T16:41:32 < emeb_mac> zyp: you around to review the update to the 373 board?
2012-11-16T16:41:57 < zyp> I can take a quick look
2012-11-16T16:45:05 < Erlkoenig> weird... just changed some "high level c++" stuff and now the clock source speed is reported as 525 MHz O_O
2012-11-16T16:45:05 < dongs> k off to sleep
2012-11-16T16:45:07 < emeb_mac> zyp: schematic -> http://imagebin.org/236159
2012-11-16T16:45:11 < dongs> email me that suff if you figure it out
2012-11-16T16:45:20 < dongs> gawd those colors
2012-11-16T16:45:24 < emeb_mac> dongs: sure
2012-11-16T16:45:27 < dongs> i wont be able to sleep
2012-11-16T16:45:31 < emeb_mac> heh
2012-11-16T16:45:34 < zyp> :D
2012-11-16T16:45:51 < dongs> dark blue on black. GREAT IDEA.
2012-11-16T16:46:04 < zyp> emeb_mac, I assume PA10 is 5V tolerant?
2012-11-16T16:46:16 < emeb_mac> zyp: yes PA10 is FT
2012-11-16T16:46:58 < zyp> hmm, and fet is active when it's pulled down
2012-11-16T16:47:01 < zyp> right, looks nice
2012-11-16T16:47:01 < dongs> i should have all the parts for this on hand loosk like
2012-11-16T16:47:27 < LongChair> lawrenceb : github says that you have no public repository
2012-11-16T16:47:36 < dongs> lo'
2012-11-16T16:47:52 < emeb_mac> zyp: dongs: layout -> http://imagebin.org/236160 (very prelim)
2012-11-16T16:48:16 < emeb_mac> need to bump the rev and check DRC
2012-11-16T16:48:26 < dongs> i guess no oval holes in gEDA?
2012-11-16T16:48:33 < emeb_mac> dongs: right
2012-11-16T16:48:37 < dongs> ghay.
2012-11-16T16:48:45 < emeb_mac> those fit nicely tho based on first board
2012-11-16T16:48:56 < dongs> well, i can tell pcb place to oval them.
2012-11-16T16:49:04 < dongs> some dudes submit shit here l ike this w/instructions
2012-11-16T16:49:19 < emeb_mac> dongs: up to you.
2012-11-16T16:49:32 < emeb_mac> I'm happy with them as-is.
2012-11-16T16:49:55 < dongs> rIght. some other shit i make is also round holes, cause im too lazy to redo the layout since years ago.
2012-11-16T16:50:13 < dongs> and each time i order new panel of pcbs i wanna fix it and then go naah, fuckin lazy.
2012-11-16T16:51:37 < emeb_mac> if it ain't broke...
2012-11-16T16:51:39 < zyp> I don't like the lack of room for shroud around swd connector
2012-11-16T16:51:46 < dongs> HEh
2012-11-16T16:52:02 < dongs> the connector  could also probably be rotaed 90"
2012-11-16T16:52:08 < zyp> but if you are fine with unshrouded connectors, it's fine
2012-11-16T16:52:15 < LongChair> would anyone have a stm32F1 working linker & startup file for gcc ?
2012-11-16T16:52:46 < dongs> LongChair: http://code.google.com/p/afrodevices/source/browse/#svn%2Ftrunk%2Fbaseflight%2Fsrc%2Fbaseflight_startups
2012-11-16T16:52:49 < emeb_mac> zyp: dongs: I'll look at rotating J4 to add room on the ends for a shroud.
2012-11-16T16:52:55 < dongs> _md_gcc.S
2012-11-16T16:53:06 < dongs> and linker > http://code.google.com/p/afrodevices/source/browse/trunk/baseflight/stm32_flash.ld
2012-11-16T16:53:19 < Erlkoenig> now SYSCLK_Frequency = 2459017666   oOoO
2012-11-16T16:53:20 < dongs> no idea if it works but the troll who contributed it claims it does. i use k eil, so i dont care.
2012-11-16T16:54:27 < dongs> k wtf, gone
2012-11-16T16:54:35 < emeb_mac> l8r
2012-11-16T16:57:50 < zyp> ok, I'm also leaving
2012-11-16T16:58:05 < zyp> got a five hour drive ahead of me tonight, so I'm probably back in six hours or so :p
2012-11-16T17:01:27 < LongChair> dong : thanks for the link .. i'm checking them :)
2012-11-16T17:02:12 < LongChair> dongs : and i used keil for long also .. but hit the 32k limit .. so was looking for a workaround :)
2012-11-16T17:04:07 < emeb_mac> zyp: drive safely - should have updates when you're back
2012-11-16T17:04:42 < Laurenceb> https://github.com/Laurenceb/
2012-11-16T17:10:35 < LongChair> yeah looks like you are using the ride files
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2012-11-16T17:10:49 < LongChair> the one from stdperiphlib
2012-11-16T17:11:08 < LongChair> when i use these I am getting a linker error
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2012-11-16T17:11:57 < Laurenceb> i dont know
2012-11-16T17:12:05 < Laurenceb> hmm maybe i edited some of the files
2012-11-16T17:12:12 < Laurenceb> i cant remember
2012-11-16T17:12:18 < LongChair> ok
2012-11-16T17:12:22 < Laurenceb> try cloning my git project
2012-11-16T17:12:26 < Laurenceb> and build it
2012-11-16T17:12:29 < emeb_mac> LongChair: post linker error?
2012-11-16T17:12:34 < Laurenceb> if it builds ok, diff the files
2012-11-16T17:13:12 < emeb_mac> the truestudio gcc linker script adds stuff for C++ that caused me problems.
2012-11-16T17:13:32 < emeb_mac> I just deleted that call in the startup file.
2012-11-16T17:14:46 < LongChair> ok lemme check
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2012-11-16T17:23:38 < emeb_mac> LongChair: look at my ldscript and make file here: http://ebrombaugh.studionebula.com/embedded/stm32breakout/blinky_f100.zip
2012-11-16T17:24:08 < emeb_mac> that's for an F100 but should have something you can use.
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2012-11-16T18:05:32 < LongChair> all right, i need some advice
2012-11-16T18:05:41 < LongChair> I have been using keil for a while
2012-11-16T18:05:49 < LongChair> but hit the 32k code limite
2012-11-16T18:06:02 < jpa-> use gcc
2012-11-16T18:06:02 < LongChair> so i'm looking for an alternative to be able to code on
2012-11-16T18:06:08 < LongChair> yeah
2012-11-16T18:06:17 < jpa-> are you on windows or linux or mac?
2012-11-16T18:06:24 < LongChair> What is the best package with a proper tutorial to install to use under windows
2012-11-16T18:06:44 < jpa-> https://launchpad.net/gcc-arm-embedded   this is pretty good
2012-11-16T18:07:34 < jpa-> if you want an IDE, some people use CooCox, some others use eclipse
2012-11-16T18:07:44 < jpa-> (CooCox is just eclipse + extensions anyway)
2012-11-16T18:07:53 < LongChair> I have installed this same compiler
2012-11-16T18:08:05 < LongChair> I have installed eclipse Juno
2012-11-16T18:08:13 < LongChair> I have installed openocd 0.6.1
2012-11-16T18:08:32 < LongChair> but still getting trouble to have it work properly
2012-11-16T18:08:54 < LongChair> haven't been able to make a proper running project for my stm32F103 board
2012-11-16T18:09:20 < jpa-> ok; unfortunately i can't help with that, never tried eclipse
2012-11-16T18:09:47 < LongChair> doesn't seem to be a problem with eclipse really
2012-11-16T18:10:04 < LongChair> I can compile some projects
2012-11-16T18:10:09 < LongChair> but they won't debug properly
2012-11-16T18:18:26 < Erlkoenig> did you verify your compiler flags? for the F4 i use: -mthumb -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard -DSTM32F4XX -DARM_MATH_CM4 -D__FPU_PRESENT=1 -ffunction-sections -fdata-sections -nostdlib -g -O2 -std=c99 -DUSE_STM32F4_DISCOVERY -DUSE_STDPERIPH_DRIVER
2012-11-16T18:18:52 < LongChair> well yes I have checked them
2012-11-16T18:19:01 < LongChair> lemme put them here
2012-11-16T18:19:16 < Erlkoenig> do not copy them exactly as they are for the F4 ;)
2012-11-16T18:19:28 < LongChair> I use -c -mcpu=cortex-m3 -Os  -gdwarf-2 -mthumb   -fomit-frame-pointer -Wall -Wstrict-prototypes -fverbose-asm -Wa
2012-11-16T18:19:37 < Erlkoenig> also -fno-exceptions -fno-rtti is recommended for C++
2012-11-16T18:19:59 < LongChair> i use plain C
2012-11-16T18:20:10 < karlp> (some people also use netbeans for an ide)
2012-11-16T18:27:54 < LongChair> well i am not sure eclipse is the pronlem
2012-11-16T18:27:55 < LongChair> problem
2012-11-16T18:28:10 < LongChair> there is something else
2012-11-16T18:28:12 < LongChair> the debug will start, but it will hang when entering the main()
2012-11-16T18:28:27 < LongChair> I will get into the reset handler , thought the systemInit()
2012-11-16T18:28:43 < LongChair> throught
2012-11-16T18:28:59 < LongChair> but when coming to bl main it will hang
2012-11-16T18:29:13 < LongChair> it's an empty projetc
2012-11-16T18:29:18 < LongChair> or almost
2012-11-16T18:29:42 < LongChair> just to test the environment and I cannot get it to work, shame on me ! :p
2012-11-16T18:31:09 < Erlkoenig> remove the C main() function. linking should then result in an error. then define a "main" function(label) in assembly language somewhere in your startup.s file, and see wether it's called properly. include some push/pop and perhaps GPIO register loading and use the debugger to see what works and what not
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2012-11-16T18:40:51 < LongChair> i have removed the main
2012-11-16T18:41:01 < LongChair> i'll get the linker error saying main is missing
2012-11-16T18:41:16 < LongChair> i'm not so familiar with assembler though
2012-11-16T18:41:44 < Erlkoenig> that will change. :D :D
2012-11-16T18:42:06 < LongChair> haha maybe .. but for this i need to get into main() first :p
2012-11-16T18:42:26 < LongChair> i wonder if there is something wrong in my project or in my toolchain
2012-11-16T18:42:42 < LongChair> i have put back all my files inside the same directory
2012-11-16T18:42:55 < Erlkoenig> try this: main:  push {lr, r0, r1, r2, r3 }    mov  r0, #27   pop {lr, r0, r1, r2, r3}   bx lr
2012-11-16T18:43:22 < Erlkoenig> or "bx main" instead of "bx lr" would be better
2012-11-16T18:43:28 < Erlkoenig> see wether you can step through it
2012-11-16T18:43:31 < Erlkoenig> stupid dummy code of course
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2012-11-16T18:43:40 < LongChair> ok i'll try this now
2012-11-16T18:44:45 < LongChair> i shouls split this across 4 lines right ?
2012-11-16T18:44:52 < Erlkoenig> yup
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2012-11-16T18:46:00 < LongChair>  i have put it inside the startup file
2012-11-16T18:46:04 < LongChair> it compiles
2012-11-16T18:46:08 < LongChair> and gets into main
2012-11-16T18:49:11 < LongChair> here are my linker flags : arm-none-eabi-gcc .\startup\startup_stm32f10x_md.o .\Main\main.o .\system_stm32f10x.o -mcpu=cortex-m3  -mthumb -nostartfiles -T.\stm32.ld -Wl,-Map=Test_rom.map,--cref,--no-warn-mismatch     -o Test_rom.elf
2012-11-16T18:49:16 < LongChair> anything wierd ?
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2012-11-16T18:50:10 < Erlkoenig> hmm looks ok
2012-11-16T18:50:18 < Erlkoenig> so you can step trough the dummy code?
2012-11-16T18:50:28 < LongChair> yes
2012-11-16T18:51:12 < Erlkoenig> so then, compile your C -main(), step through it in disassembly mode - dont know how to do this in GDB atm
2012-11-16T18:51:17 < Erlkoenig> one instruction at a time
2012-11-16T18:53:50 < LongChair> well in gdb when you step into / over ... you can have the assmbly displayed
2012-11-16T18:53:54 < LongChair> at least in eclipse
2012-11-16T18:54:07 < LongChair> i follow the assembly debug from the beginning
2012-11-16T18:54:29 < LongChair> but once i link with my C main .. bl main will have the debugger hang
2012-11-16T18:54:46 < LongChair> gdb session will stay in "stepping" status
2012-11-16T18:54:59 < LongChair> i'll never get inside main .. even in the assembly window
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2012-11-16T19:17:50 < TitanMKD> hellop
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2012-11-16T19:23:15 < LongChair> when debugging a program in eclipse, what can cause eclipse to say "No source available for XXXX" XXXX being a function ?
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2012-11-16T19:39:40 < Laurenceb> interesting - STM32L162RD has opamps
2012-11-16T19:39:47 < Laurenceb> but its 64pin :(
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2012-11-16T20:12:41 < jpa-> Laurenceb: and can you buy it anywhere?
2012-11-16T20:13:59 < Laurenceb> oh
2012-11-16T20:14:04 < Laurenceb> apparently not
2012-11-16T20:14:07 < Laurenceb> looks like its new
2012-11-16T20:15:22 < jpa-> i checked them in september, all L1 parts with opamps are unavailable or minimum order amount > 500
2012-11-16T20:22:48 < Laurenceb> sucks
2012-11-16T20:23:41 < emeb> updated F3 breakout w/ JTAG rotated for zyp: -> http://i.imgur.com/5Wvjg.png
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2012-11-16T23:21:15 < Laurenceb_> bsdfox_: have you met dongs?
2012-11-16T23:21:24 < Laurenceb_> you should tell him about bsd if you like it
2012-11-16T23:21:47 < Laurenceb_> he would be impressed by your choice of OS
2012-11-16T23:23:37 < bsdfox_> k
2012-11-16T23:24:03 <+dekar> I have an even better idea, tell flyback about it
2012-11-16T23:25:07 < Laurenceb_> haha
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2012-11-16T23:38:34 < zyp> emeb, ah, that looks better
2012-11-16T23:42:35 < emeb> zyp: great
2012-11-16T23:43:22 < emeb> I'll send those gerbers to dongs and see what happens.
2012-11-16T23:43:43 < zyp> hmm, I should probably ask for some of those too then
2012-11-16T23:43:48 < emeb> heh
2012-11-16T23:43:55 < zyp> cheap breakouts like that might come in handy
2012-11-16T23:44:05 < zyp> how much is it in parts, approx?
2012-11-16T23:44:41 < emeb> probably about $10 - $15 or so.
2012-11-16T23:44:57 < emeb> the F3 part is about $6, the rest is pretty cheap.
2012-11-16T23:45:38 < emeb> xtal, JTAG conn, USB conn about $1 ea. all other parts are < $.50
2012-11-16T23:45:42 < emeb> (ea)
2012-11-16T23:45:43 < zyp> I've got a friend that want to do custom usb input devices, I should probably add HID support to my stack and give him one of those
2012-11-16T23:46:05 < emeb> these would be pretty good for that.
2012-11-16T23:46:35 < emeb> floating point, 12-bit and 16-bit ADCs, DACs. Fairly capable.
2012-11-16T23:48:35 < ds2> ARRRRRRRRRRRRRRRRRRRRGGGGG HID
2012-11-16T23:49:00 < emeb> sounds like HID is ds2's favorite thing.
2012-11-16T23:49:13 < ds2> that was the last few weeks
2012-11-16T23:49:25 < ds2> it is one of the more moronic protocols around
2012-11-16T23:49:46 < emeb> designed to be easily handled by moronic devices like mice.
2012-11-16T23:49:55 < ds2> no, on the host side
2012-11-16T23:50:06 < emeb> nasty?
2012-11-16T23:50:20 < ds2> yes
2012-11-16T23:50:34 < ds2> it looks like a mass compromise to squeeze in 2340318749234809238409238490328409234809328490 different specs into one
2012-11-16T23:51:42 < ds2> a given device can appear to have a 1byte output, 2 byte output, 4 byte output... they can be signed or not, and be scaled... yet they all can be given one name
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2012-11-16T23:53:55 < emeb> hideous.
2012-11-16T23:54:16 < zyp> well, it even supports magic carpet simulation devices, after all
2012-11-16T23:54:36 < zyp> (it's part of the HID spec)
2012-11-16T23:54:40 < ds2> still got to figure out if that is triggering a bug in the Linux generic HID parser
2012-11-16T23:55:10 < ds2> no, the variations are allowed within different magic carpet simulation devices from different manufactures
2012-11-16T23:55:50 < ds2> there is a descriptor that reports size=4 (32bit)... and the range... well, range is defined as 2 unsigned values if the lower end is >0, otherwise it is signed
2012-11-16T23:56:07 < ds2> in Linux the limits are copied to a signed 32bit value
2012-11-16T23:56:26 < ds2> so... you suddenly get 0 as the lower limit and -1 as the upperlimit... parser goes boom
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2012-11-16T23:57:43 < zyp> I like the intention of HID, but I'm not sure I like the framework for describing the reports
2012-11-16T23:58:10 < ds2> *nod*
2012-11-16T23:58:11 < zyp> but I haven't started on that yet, just glanced over the spec
2012-11-16T23:58:25 < ds2> you're looking to do the device side, right?
2012-11-16T23:58:32 < zyp> yes
2012-11-16T23:59:03 <+dekar> emeb, hideous is the name of the HID lib I started a while ago :)
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2012-11-16T23:59:18 < emeb> dekar: that's awesome.
2012-11-16T23:59:49 < ds2> UARTs, SPI, and I2C
2012-11-16T23:59:51 <+dekar> https://github.com/EliasOenal/hideous
--- Day changed Sat Nov 17 2012
2012-11-17T00:00:10 < zyp> I'll probably do some nice C++ magic to describe the reports and generate the descriptor in the same way I'm generating the configuration descriptors
2012-11-17T00:00:29 < zyp> I'm not going to try my hand at parsing them :p
2012-11-17T00:00:59 < ds2> you can do the parsing and have it right 80% of the time pretty easily
2012-11-17T00:01:09 < ds2> i hacked up a perl script to check up on my descriptors
2012-11-17T00:01:49 < zyp> the usb analyzer software seems to do rather nice parsing of them, so it should be easy to sanity check them that way
2012-11-17T00:02:35 < ds2> which one?
2012-11-17T00:02:43 < zyp> total phase data center
2012-11-17T00:02:55 < ds2> oh... you must have the 480 or the newer one?
2012-11-17T00:03:03 < zyp> (I'm borrowing a beagle 480)
2012-11-17T00:03:06 < ds2> that doesn't work if you pair it with the beagle 12
2012-11-17T00:03:12 < ds2> bastards
2012-11-17T00:03:18 < zyp> it doesn't?
2012-11-17T00:03:24 < zyp> what software does the beagle 12 use?
2012-11-17T00:03:25 < ds2> only on the 480 and newer one
2012-11-17T00:03:32 < ds2> the exact same binary as the beagle 480
2012-11-17T00:03:41 < ds2> you can see my irritation here
2012-11-17T00:03:48 < zyp> heh, yeah
2012-11-17T00:03:58 < zyp> so you have a beagle 12?
2012-11-17T00:04:03 < ds2> yeah
2012-11-17T00:04:10 < ds2> they are relatively affordable
2012-11-17T00:04:51 < zyp> and good enough for most MCU related work
2012-11-17T00:05:03 < ds2> yep
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2012-11-17T00:05:14 < ds2> even good enough to do the bigger embedded stuff
2012-11-17T00:05:42 < ds2> just wish there was a reasonably priced version for bluetooth
2012-11-17T00:06:14 < zyp> no bluetooth dongles that can be hacked to run a sort of monitor mode?
2012-11-17T00:06:26 < ds2> not legally
2012-11-17T00:06:43 < ds2> if you manage to pirate the monitor firmware, it there is support for it
2012-11-17T00:06:56 < ds2> the ubertooth folks have some hw that can sort of work
2012-11-17T00:07:42 < zyp> can't just about any random 802.15 transceiver be used to capture bluetooth frames?
2012-11-17T00:07:50 <+dekar> hmm usb… how much does a 10Gbps logic analyzer cost?
2012-11-17T00:08:13 < ds2> apparently not
2012-11-17T00:08:26 < zyp> hmm
2012-11-17T00:08:35 < ds2> something about modulation used
2012-11-17T00:08:46 < zyp> oh well, I'm not experienced with lowlevel RF yet
2012-11-17T00:08:57 < zyp> it's on my list of stuff to play with in the future
2012-11-17T00:09:27 < ds2> heh
2012-11-17T00:09:33 < ds2> help out with the ubertooth project :)
2012-11-17T00:09:52 < zyp> time will show
2012-11-17T00:09:55 < TitanMKD> dekar i think more than 10Keuros
2012-11-17T00:09:59 < zyp> not going to start with that any time soon
2012-11-17T00:10:43 <+dekar> TitanMKD, makes me feel like building one
2012-11-17T00:10:45 < zyp> I already have my hands full with more stuff than I have time for :p
2012-11-17T00:11:04 <+dekar> I am working on a 10G bit error rate tester anyway, that's not too different
2012-11-17T00:11:34 < TitanMKD> dekar will be very interesting but also need very fast RAM ;)
2012-11-17T00:11:48 < TitanMKD> dekar especially if you want to analyze more than 8bits
2012-11-17T00:12:09 < ds2> or just lots of RAM chips
2012-11-17T00:12:35 < ds2> capture, buffer to one chip. capture next one, buffer to another chip.... and recycle to first when you have allowed enough time to meet specs
2012-11-17T00:12:59 <+dekar> my cyclone IV has 8 3.125G transceivers anyway, so I could stream it directly to PCI-E for example
2012-11-17T00:13:02 < TitanMKD> dekar If you know a hint to build such stuff for less than 300euros it will be really interesting
2012-11-17T00:13:33 < zyp> TitanMKD, you're always such a dreamer :p
2012-11-17T00:13:35 < TitanMKD> dekar which Cyclone card have you ?
2012-11-17T00:13:53 <+dekar> developing on that one: http://www.altera.com/products/devkits/altera/kit-cyclone-iv-gx.html
2012-11-17T00:14:05 < TitanMKD> ha yes ;)
2012-11-17T00:14:49 < zyp> you and your expensive toys :p
2012-11-17T00:14:54 < zyp> hmm
2012-11-17T00:15:01 < zyp> dekar, were you the SFP guy?
2012-11-17T00:15:07 <+dekar> ya
2012-11-17T00:15:25 < zyp> that's what I seemed to remember
2012-11-17T00:16:03 < TitanMKD> dekar what do you do with such board ?
2012-11-17T00:16:36 < TitanMKD> dekar i'm more and more interested by Altera FPGA but not the version at 1KUS$ ;)
2012-11-17T00:16:40 <+dekar> building 10G test equipment
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2012-11-17T00:17:09 < TitanMKD> dekar it's for optic fiber stuff ?
2012-11-17T00:17:17 <+dekar> yeah
2012-11-17T00:17:25 < TitanMKD> or Thunderbolt ;)
2012-11-17T00:17:57 < TitanMKD> i really like the HSMC connector !!
2012-11-17T00:18:12 < TitanMKD> it has a huge bandwidth to connect other card
2012-11-17T00:18:28 <+dekar> that's what I was thinking, replace the 10G PHY with a generic 10G serdes and you are pretty much generic
2012-11-17T00:19:56 < TitanMKD> dekar are you using a NIOS2 processor to manage or just using the Board as register and managed by PC ?
2012-11-17T00:20:28 <+dekar> I am using an HSMC to SMA adapter board
2012-11-17T00:21:47 <+dekar> I don't plan to use NIOS, the final product will probably contain an ARM SoC since we've already developed some arm boards
2012-11-17T00:24:37 <+dekar> that one looks nice: http://www.ti.com/product/tlk10034
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2012-11-17T00:26:32 < TitanMKD> dekar anyway i have no application and money for 10gbps stuff like that ;)
2012-11-17T00:31:01 < Laurenceb_> dekar: sounds interesting
2012-11-17T00:31:06 < Laurenceb_> what are you building?
2012-11-17T00:31:58 < Laurenceb_> 10G fibre optic ethernet?
2012-11-17T00:32:09 <+dekar> I guess that as well
2012-11-17T00:33:09 <+dekar> it isn't a finished product so far, not sure what it will be able to do :)
2012-11-17T00:34:57 < Laurenceb_> are you doing any work with the optics?
2012-11-17T00:34:59 <+dekar> so far I have just worked with XAUI, we'll evaluate some 10G PHYs/SerDes and see what we can do with it
2012-11-17T00:35:06 < Laurenceb_> i see
2012-11-17T00:35:17  * Laurenceb_ was interested in optical frequency OFDM
2012-11-17T00:38:33 <+dekar> I am working with the electrical interfaces mostly
2012-11-17T00:41:43 < Laurenceb_> i see
2012-11-17T00:42:04 < Laurenceb_> was wondering about cheap 10G or faster using plastic step index fibre
2012-11-17T00:42:14 < Laurenceb_> but building the optics cheaply is hard
2012-11-17T00:43:17 < Laurenceb_> with ofdm you can use cheap crappy fibre
2012-11-17T00:44:00 < Laurenceb_> but its a combination of hard optics and/or dsp
2012-11-17T00:44:59 <+dekar> Laurenceb_, how far do you wanna go?
2012-11-17T00:45:26 < Laurenceb_> 100Gbps over 100Km using cheapish fibre has been proposed
2012-11-17T00:45:41 < Laurenceb_> but decoding 100gbps OFDM is ... tricky
2012-11-17T00:45:56 < Laurenceb_> i was thinking for high speed lan over <100m
2012-11-17T00:46:14 < TitanMKD> Laurenceb it just requires a FPGA board which a cost of 25KUS$ ;)
2012-11-17T00:46:17 < Laurenceb_> but itd probably be more cost effective to use decent single mode fibre with VCSELs
2012-11-17T00:46:20 < Laurenceb_> hehe
2012-11-17T00:47:35 < Laurenceb_> i went to a conference on wednesday where they had done optical quadrature demod using lock in HeNe lasers
2012-11-17T00:47:42 < zyp> I've got a box full of old multimode cables
2012-11-17T00:48:13 < zyp> I needed a few cables, so I got it for ~nothing on ebay, turned out it contained around 40 cables
2012-11-17T00:48:29 < Laurenceb_> nice
2012-11-17T00:48:33 < zyp> so now I have a lot of cables I have no idea what I should use for
2012-11-17T00:48:45 < zyp> picked up a bag of 100 SFP transceivers as well
2012-11-17T00:49:12 <+dekar> multimode should be fine for those short distances
2012-11-17T00:49:22 < zyp> and a box of 12 FC HBAs
2012-11-17T00:49:34 < Laurenceb_> http://redlum.xohp.pagesperso-orange.fr/argonlaser.html
2012-11-17T00:49:35 < zyp> PCI-X, unfortunately
2012-11-17T00:49:38 < Laurenceb_> that guy is epic
2012-11-17T00:49:56 < zyp> but works nicely for the shit I have sitting in my «server room»
2012-11-17T00:50:02 < Laurenceb_> makes me want to build an optical pll
2012-11-17T00:50:19 <+dekar> if you only need a few meters you can use cheap electrical solutions: http://www.flexoptix.net/sfp-plus-copper-cable-10-gigabit-dac-1-meter.html
2012-11-17T00:50:41 <+dekar> those go up to a few meters
2012-11-17T00:50:44 < zyp> I have some SFP-SFP copper cables as well
2012-11-17T00:50:58 < zyp> that I use from my raid box to FC switch
2012-11-17T00:51:30 < zyp> they are unflexible and annoying
2012-11-17T00:51:55 < zyp> the nicest part about fiber is how thin and flexible the cables are, despite the datarate they can handle
2012-11-17T00:52:13 < Laurenceb_> he does single mode narrow band output with off the shelf laser diodes
2012-11-17T00:52:24 < Laurenceb_> http://redlum.xohp.pagesperso-orange.fr/laser/modeanalysis.html
2012-11-17T00:52:26 <+dekar> flexing them tooo much leads to attenuation though ;)
2012-11-17T00:52:33 < zyp> yeah
2012-11-17T00:53:11 < zyp> I can't squeeze them between door and frame, like I can with cat5 :p
2012-11-17T00:53:32 <+dekar> well, you could… :P
2012-11-17T00:53:40 < zyp> … and expect them to work
2012-11-17T00:53:57 < ds2> having it work is overrated
2012-11-17T00:54:17 < ds2> and it depends on your application
2012-11-17T00:54:48 < zyp> http://bin.jvnv.net/f/rxFpC.JPG <- my cute server rack
2012-11-17T00:55:07 < Laurenceb_> wtf rock?
2012-11-17T00:55:33 < ds2> so that thing is safe against air raids?
2012-11-17T00:56:31 < zyp> the people that built the house apparently figured that the basement weren't large enough, so they knocked a hole in the wall to get some more storage room
2012-11-17T00:56:41 < Laurenceb_> haha nice
2012-11-17T00:57:35 < zyp> it's nice and cool, so the servers are happy there
2012-11-17T00:57:44 < zyp> a bit dusty, but I'm not sure that's a problem
2012-11-17T01:00:03 < zyp> I got a fiber cable running from there into my living room, so if I need a temporary extra computer there, I can just drag in a diskless box, plug in the fiber and boot directly from the SAN
2012-11-17T01:00:40 < zyp> FC is pretty nice that way
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2012-11-17T01:33:05  * Laurenceb_ has his firgelli L12 working.. kind of
2012-11-17T01:33:18 < Laurenceb_> still going to rip the motor out
2012-11-17T01:33:29 < Laurenceb_> and stick a stepper in there with allegro driver
2012-11-17T01:33:54 < Laurenceb_> how can i run a stepper off stm properly?
2012-11-17T01:34:04 < Laurenceb_> im thinking timer with dma to set the period
2012-11-17T01:34:07 < Laurenceb_> to slew properly
2012-11-17T01:49:51 < Laurenceb_> can you load timer reload using dma?
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2012-11-17T02:18:01 < dongs> sup dongs
2012-11-17T02:20:33 < emeb> yo dongs
2012-11-17T02:20:44 < emeb> gerbers in your inbox.
2012-11-17T02:20:46 < dongs> ya
2012-11-17T02:20:47 < dongs> seen
2012-11-17T02:20:58 < emeb> hopefully eyes not bleeding. :)
2012-11-17T02:24:00 < dongs> emeb, so with fet on pullup and shit, does the new breakout work wiht USB DFU?
2012-11-17T02:25:11 < emeb> dongs: it should. fet should be active w/o intervention from the STM
2012-11-17T02:25:52 < emeb> ie - floating or low on that GPIO leaves PU active. high on that GPIO disables PU for USB reset.
2012-11-17T02:25:55 < dongs> ah
2012-11-17T02:26:00 < dongs> ok
2012-11-17T02:26:04 < dongs> so its default pulled up
2012-11-17T02:26:07 < emeb> yes
2012-11-17T02:26:13 < dongs> btw, you know you can just trick pulup stuff by gpio
2012-11-17T02:26:32 < Laurenceb_> how is stepper drive?
2012-11-17T02:26:42 < Laurenceb_> how sstepper pwm formed
2012-11-17T02:26:42 < emeb> you mean drive PU direct from GPIO?
2012-11-17T02:26:42 < dongs> emeb: http://bcas.tv/paste/results/6dn1uK79.html (c) openpilot
2012-11-17T02:26:51 < dongs> no, dont need a fet or anything at all
2012-11-17T02:27:35 < emeb> Oh - forcing DP low by temp changing it to output low.
2012-11-17T02:27:51 < dongs> mhm
2012-11-17T02:28:02 < emeb> cute trick. Would save some parts.
2012-11-17T02:28:52 < dongs> i used it on other stuff, works.
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2012-11-17T02:29:31 < emeb> that can be done with this board still - don't load fet & resistor, short across S/D on fet.
2012-11-17T02:29:45 < dongs> Ya.
2012-11-17T02:32:15 < emeb> Laurenceb_: what's your question on steppers?
2012-11-17T02:32:22 < dongs> steppin dongs
2012-11-17T02:34:55 < Laurenceb_> hehe
2012-11-17T02:35:06 < Laurenceb_> so how do i drive an allegro thingy
2012-11-17T02:35:12 < Laurenceb_> it takes step input using pwm
2012-11-17T02:35:29 < Laurenceb_> but i need to slew the motor speed to get the best performance
2012-11-17T02:35:38 < Laurenceb_> and only do a set number of pwm cycles
2012-11-17T02:35:44 < Laurenceb_> can i do that using dma?
2012-11-17T02:36:09 < Laurenceb_> but how would i turn off the pwm using dma? would i have to have a high priority isr for that
2012-11-17T02:37:17 < emeb> which Allegro thingy? (P/N?)
2012-11-17T02:37:40 < Laurenceb_> A4983
2012-11-17T02:37:55 < Laurenceb_> but all the allegro stuff has more or less the same interface
2012-11-17T02:39:12 < emeb> looks like you need to send it one pulse/step. Time the pulses to your slew rate.
2012-11-17T02:39:44 < emeb> To keep track of absolute position you need to maintain control over the exact number of steps you emit.
2012-11-17T02:40:12 < emeb> So free-running timers are probably not a good idea unless you don't care about absolute position accuracy.
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2012-11-17T02:41:19 < dongs> Laurenceb_: you need to solder pololus into sanguinololu
2012-11-17T02:42:45 < emeb> bbiab...
2012-11-17T02:42:48 < dongs> Laurenceb_: http://mbed.org/users/gyurma/code/stepper_motor_control/
2012-11-17T02:43:12 < dongs> rofl waht
2012-11-17T02:43:19 < dongs> is that shit fucking using delay()
2012-11-17T02:43:37 < dongs> Tarduino Style
2012-11-17T02:43:41 < dongs> woop woop.
2012-11-17T02:44:20 < dongs> http://i.imgur.com/EJlPs.jpg
2012-11-17T02:44:50 < BrainDamage> needs more loop(){}
2012-11-17T02:50:43 < dongs> http://www.microcodes.info/deltaboard-a-small-avr-based-expansion-board-for-the-pi-126696.html here's what you need
2012-11-17T02:51:21 < Laurenceb_> oh dear
2012-11-17T02:51:33 < Laurenceb_> but seriously, even F4 is going to struggle if my code is lame
2012-11-17T02:51:45 < Laurenceb_> as its going to go up to >10K step/s
2012-11-17T02:51:53 < Laurenceb_> and theres a ton of other tasks running
2012-11-17T02:52:01 < Laurenceb_> this is my problem
2012-11-17T02:52:20 < Laurenceb_> i think you can use update event to trigger dma to the reload register
2012-11-17T02:52:41 < Laurenceb_> and control the slew rate like that, but not the total number of steps
2012-11-17T02:52:42 < dongs> Laurenceb_: https://github.com/arthurwolf/Smoothie/blob/master/src/libs/StepTicker.cpp
2012-11-17T02:53:07 < Laurenceb_> so i guess chibios will let me use GPT to set a callback with high priority to turn off pwm
2012-11-17T02:53:13 < Laurenceb_>   .. which might work
2012-11-17T02:53:16 < dongs> .. chibios
2012-11-17T02:53:16 < Laurenceb_> thanx for link
2012-11-17T02:53:18 < dongs> found your problem
2012-11-17T02:53:20 < Laurenceb_> haha
2012-11-17T02:53:41 < dongs> smoothieshit is some LPC
2012-11-17T02:53:49 < dongs> but you can thieve some ideas from it i guess
2012-11-17T02:54:07 < dongs> using namespace std;
2012-11-17T02:54:08 < dongs> #include <vector>
2012-11-17T02:54:08 < Laurenceb_> high priority isr on each update event?
2012-11-17T02:54:09 < dongs> haha
2012-11-17T02:54:26 < Laurenceb_> simple but loads of interrupts
2012-11-17T02:54:36 < Laurenceb_> i think i can do better
2012-11-17T02:54:41 < Laurenceb_> anyways.. sleep time
2012-11-17T02:55:48 < Laurenceb_> http://mbed.org/users/gyurma/code/stepper_motor_control/file/761688adad1d/main.cpp
2012-11-17T02:55:52 < Laurenceb_> wow what a load of fail
2012-11-17T02:56:00 < Laurenceb_> ok srsly off now
2012-11-17T02:56:00 < dongs> haha yes
2012-11-17T02:56:06 < dongs> i linked that before reading
2012-11-17T02:56:09 < dongs> then iwas liek.. DELAYS???
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2012-11-17T03:03:00 < zyp> *yawn*
2012-11-17T03:06:30 < ds2> the allegro chips have at least 3 different interfaces
2012-11-17T03:06:45 < ds2> raw phase control, step/dir, and some kind of serial thing
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2012-11-17T03:08:38 < ds2> step dir is simple - use dir to set the direction. each time you pulse step, it moves either 1/4, 1/2, or 1 step (depends on chip and configuration), each step is a specific number of degrees
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2012-11-17T03:24:38 < zyp> dongs, if you do some of those F3 breakouts, save some for me too, along with the bmp clones
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2012-11-17T03:37:15 < dongs> right
2012-11-17T03:38:42 < dongs> how does uint8_t addition work
2012-11-17T03:38:49 < dongs> i.e. 0x9a + 0x14 + 0xe0
2012-11-17T03:38:53 < dongs> is result 0x8e?
2012-11-17T03:39:04 < dongs> (add as usual and drop high byte?
2012-11-17T03:39:43 < Bird|lappy> dongs, add modulo 256, yes :)
2012-11-17T03:40:17 < ds2> isn't there a carry bit?
2012-11-17T03:40:37 < Bird|lappy> ds2, yes, CY gets twiddled, but you don't see it
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2012-11-17T03:46:52 < zyp> carry goes in psr
2012-11-17T03:47:10 < zyp> or something
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2012-11-17T04:44:28 < emeb_mac> hmmmm
2012-11-17T04:45:13 < emeb_mac> does cortex m4 do 64-bit integer adds or do you need to build them out out 2 32-bit adds?
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2012-11-17T04:45:24 < dongs> i'd guess the latter
2012-11-17T04:45:32 < emeb_mac> meh
2012-11-17T04:45:54 < dongs> i think tehy hve a instruciton that adds 2 32bits into 64bit result
2012-11-17T04:46:02 < dongs> but i duno about 64bit src
2012-11-17T04:46:25 < emeb_mac> need to check the programmers manual I guess.
2012-11-17T04:48:08 < dongs> i dont see anything but im not an expert like zyp
2012-11-17T04:49:40 < emeb_mac> this is for a FIR filter - maybe there's a MAC instruction that'll work.
2012-11-17T04:50:17 < dongs> right, there's a couple multiple/add shits that work on 64bit.
2012-11-17T04:50:36 < emeb_mac> smlal
2012-11-17T04:50:41 < dongs> more like SMLOL
2012-11-17T04:50:46 < emeb_mac> lal
2012-11-17T04:51:02 < emeb_mac> might have to code this as assy.
2012-11-17T05:02:05 < ds2> have you check to see if there is a SIMD instruction to do that?
2012-11-17T05:04:50 < emeb_mac> haven't checked
2012-11-17T05:05:30 < emeb_mac> but - yay! looks like gcc uses smlal when I code it up with an int64_t accumulator.
2012-11-17T05:05:51 < ds2> wish they had NEON on there ;)
2012-11-17T05:05:56 < emeb_mac> no kidding
2012-11-17T05:06:18 < emeb_mac> what this world needs is a $5 MCU with NEON.
2012-11-17T05:07:14 < ds2> isn't that supposely goal of the A5?
2012-11-17T05:07:29 < emeb_mac> huh - dunno what A5 is.
2012-11-17T05:07:38 < emeb_mac> low end cortex A?
2012-11-17T05:07:42 < ds2> yeah
2012-11-17T05:07:52 < ds2> A15 is the high end andA5 is suppose to be the low end
2012-11-17T05:07:55 < emeb_mac> anybody selling them yet?
2012-11-17T05:08:13 < ds2> donno
2012-11-17T05:08:25 < gnomad> wacha need SIMD for?
2012-11-17T05:09:13 < emeb_mac> don't _need_ it. would be good to have it tho
2012-11-17T05:09:36 < gnomad> I don't need blowjobs every morning, but they sure would be nice....
2012-11-17T05:35:52 < dongs> https://youtube.com/watch?v=ZPkE2hHneP4#t=240s wwhat the fuck
2012-11-17T05:39:32 < gnomad> looks like a wire was down
2012-11-17T05:39:52 < gnomad> when drawn taut, it flipped the car over
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2012-11-17T05:54:04 < baird> tfw no coffee plunger :/
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2012-11-17T07:53:12 < dongs> bloggs
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2012-11-17T07:58:24 < baird> 4blog: http://boards.4chan.org/ck/res/4007052
2012-11-17T08:02:53 < dongs> haha
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2012-11-17T08:08:06 < baird> Too bad I don't have access to a friend with the Thermomix any longer..
2012-11-17T08:12:18 < dongs> where would I get parts for a monorail
2012-11-17T08:18:21 < baird> Sydney is scrapping theirs.. http://www.dailytelegraph.com.au/news/sydney-news/monorail-to-be-torn-down/story-fnb5f12x-1226308015370
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2012-11-17T08:33:41 < dongs> haha
2012-11-17T08:36:48 < baird> Although that's the same neocon state government that ran about claiming OMG we're 500 million in debt! SHUT DOWN EVERYTHING (..to do with education, public services, etc.) .. It was revealed the other week that the State was actually a billion in the black, and the faggots were lying to push an idelogical agenda.
2012-11-17T08:38:38 < baird> (and not a 'small gov' agenda-- they're Opus Deli 'give all the money to religious organizations' agenda.. )
2012-11-17T08:39:04 < Bird|lappy> baird: *sigh*
2012-11-17T08:41:10 < baird> $400 million was spent federally in Australia last year for a 'chaplans in public school' programme.. :/
2012-11-17T08:41:24 < baird> _$400M_
2012-11-17T08:41:48 < Bird|lappy> wow.  the 'religious right' sometimes just doesn't know when to stop
2012-11-17T08:44:26 < baird> Religious membership in Australia is tanking-- less than 2% are involved with organized services more than once a year, ~30% signed themselves as 'No Religion' on the last census. However, the political sphere tried hard to keep the Anglican/Catholic Status Quo. That atheist Julia Gillard got in was a total fluke.
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2012-11-17T08:55:42 < gnomad> Heh, Opus Deli is a real thing.  There seems to be more than one...
2012-11-17T08:56:40 < dongs> http://new.livestream.com/accounts/398160/events/1594566/player_pop_up
2012-11-17T08:57:40 < gnomad> awwwww
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2012-11-17T11:40:34 <+Steffanx> nu
2012-11-17T11:40:47 < jpa-> nunu
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2012-11-17T11:50:45 < dongs> no u
2012-11-17T11:51:31 < jpa-> nome?
2012-11-17T11:52:25 < dongs> nome, alaska
2012-11-17T12:28:38 < dongs> http://i.imgur.com/KbF0h.jpg
2012-11-17T12:34:48 <+Steffanx> heh
2012-11-17T12:34:54  * Steffanx retweets
2012-11-17T12:35:56 < zyp> *yawn*
2012-11-17T12:35:58 < zyp> morning
2012-11-17T12:36:45 <+Steffanx> Tell me.. why it smells like burning plastic here?
2012-11-17T12:37:33 < jpa-> it's your breast implants
2012-11-17T12:37:53 <+Steffanx> I grow my own man tits, no need for implants
2012-11-17T12:44:25 < Tectu> dongle, lol'd
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2012-11-17T13:38:41 < DaKu> Hi, does it have som negative effects to enable the PeriphClockCmd multiple times?
2012-11-17T13:39:44 < jpa-> no
2012-11-17T13:39:55 < jpa-> it just sets a bit in RCC, so setting the bit again does nothing
2012-11-17T13:40:04 < DaKu> ok, thx
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2012-11-17T14:03:57 < dongs> ST-LINKIII-KEIL
2012-11-17T14:03:57 < dongs> wut
2012-11-17T14:03:59 < dongs> stlink3?
2012-11-17T14:05:31 <+Steffanx> Secret stuff
2012-11-17T14:06:24 <+Steffanx> Oh, not really
2012-11-17T14:08:20 <+Steffanx> Seems to be around since 2010
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2012-11-17T15:07:53 < dongs> haha
2012-11-17T15:08:02 < dongs> you know how F4 defines shit like GPIO_AF_TIM1 etc
2012-11-17T15:08:07 < dongs> well, F3 doesnt.
2012-11-17T15:08:12 < dongs> so you can only do shit like GPIO_AF_2
2012-11-17T15:08:14 < dongs> great!
2012-11-17T15:10:22 < jpa-> st headers, the work of genius
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2012-11-17T15:29:43 < dongs> thats quite a boner
2012-11-17T15:29:44 < dongs> sigh
2012-11-17T15:29:50 < dongs> now i ahve to look at waht the fuck each AF bit means
2012-11-17T15:29:55 < dongs> THANKS, ST!!!!!
2012-11-17T15:44:14 < dongs> http://new.livestream.com/accounts/398160/events/1594566/player_pop_up cats are on the move
2012-11-17T16:03:58 <+Steffanx> wtf im looking at?
2012-11-17T16:04:05 <+Steffanx> You lolcats dongs?
2012-11-17T16:04:18 < dongs> haha
2012-11-17T16:04:38 < dongs> weird, i can't find any PDF for USB-B socket that shows mounting holes as oval
2012-11-17T16:04:39 < dongs> tehy're all round
2012-11-17T16:04:41 <+Steffanx> *your
2012-11-17T16:05:48 <+Steffanx> There is not even a fancy arduino gadget we can control.. boring video dongs
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2012-11-17T16:11:22 < dongs> sorry Steffanx i will lnk to porn next time
2012-11-17T16:11:50 <+Steffanx> No, no fancy arduino gadget in that either
2012-11-17T16:12:20 < dongs> arduino-controlled porn
2012-11-17T16:44:03 < dongs> do i need ot od nayhting diferent on F3
2012-11-17T16:44:09 < dongs> to use MCO from STLink as HSE
2012-11-17T16:44:17 < dongs> i.e. does it matter if its extarnl crystal or clock source
2012-11-17T16:44:31 < dongs> on f3disco
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2012-11-17T19:58:20 < zyp> dongs, nah, doesn't matter
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2012-11-17T20:11:48 <+Steffanx> Hmmm, this simple anyone here experience with random NCP1400 step up converter?
2012-11-17T20:12:17 <+Steffanx> In the datasheets they don't really mention what the max. input voltage is for example the 3.0V of the converter
2012-11-17T20:12:45 <+Steffanx> They talk about 0.7xVout, but that just seems to be the test condition
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2012-11-17T20:13:38 <+Steffanx> The do talk about a absolute maximum of 6V, but it's a step up conveter, so 6v .. is useless
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2012-11-17T20:27:07 < cdh> No experience here, but based on the typical circuit (with a zener in parallel) in the datasheets I just looked at, my guess is that it simply shuts down if the input voltage is greater than the design output voltage.
2012-11-17T20:37:47 <+Steffanx> There's no diode  in parallel (needed) for this one cdh :)
2012-11-17T20:46:43 < Laurenceb_> http://www.theregister.co.uk/2012/11/16/taliban_leaked_mailing_list/
2012-11-17T20:46:46 < Laurenceb_> pmsl
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2012-11-17T21:08:04 < bsdfox> cdh, looks that way to me too
2012-11-17T21:22:48 < Laurenceb_> too much information
2012-11-17T21:23:00 < emeb_mac> way
2012-11-17T21:24:29 < Laurenceb_> my linear actuator project is turning onto a rabbit hole
2012-11-17T21:24:31 < zyp> no interesting information
2012-11-17T21:24:50  * Laurenceb_ is currently ripping apart a firgelli L12
2012-11-17T21:25:01 < Laurenceb_> to stick a stepper motor on the end
2012-11-17T21:25:02 < zyp> that's not very interesting
2012-11-17T21:25:09 < Laurenceb_> with an allegro drive
2012-11-17T21:25:19 < Laurenceb_> its going to look horrifying :9
2012-11-17T21:25:29 < emeb_mac> sounds fun
2012-11-17T21:25:41 < Laurenceb_> 3 pcbs duck taped on and a ton of cables everywhere
2012-11-17T21:25:45 < emeb_mac> what's the goal?
2012-11-17T21:25:49 < Laurenceb_> but hopefully it will be fast enough
2012-11-17T21:26:06 < Laurenceb_> its a robot arm thing that holds a sensor onto someones arm
2012-11-17T21:26:28 < emeb_mac> why do you need a robot for that?
2012-11-17T21:26:30 < Laurenceb_> has to move +-1cm in 20ms or so, with a load of +-10N
2012-11-17T21:26:55 < Laurenceb_> so i can do it repeat ably
2012-11-17T21:27:14 < Laurenceb_> also you couldnt do it that fast by hand widthout overshoot and stuff
2012-11-17T21:27:39 < emeb_mac> moving across the skin or touch/release?
2012-11-17T21:27:59 < Laurenceb_> touch release
2012-11-17T21:28:30 < Laurenceb_> its seriously annoying
2012-11-17T21:28:44 < emeb_mac> interesting.
2012-11-17T21:28:45 < Laurenceb_> i tried a solenoid at first
2012-11-17T21:28:50 < Laurenceb_> that was a massive waste of time
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2012-11-17T21:29:26 < emeb_mac> sensor has to make repeated contacts but can't stay attached?
2012-11-17T21:29:41 < Laurenceb_> its really nonlinear, with tons of hysterisis and friction that varies massively with position
2012-11-17T21:29:53 < Laurenceb_> due to the sideways magnetic attraction on the pulger
2012-11-17T21:30:00 < Laurenceb_> so its impossible to control well
2012-11-17T21:30:02 < Laurenceb_> yes
2012-11-17T21:30:03 <+Steffanx> zyp go get some sleep
2012-11-17T21:30:08 <+Steffanx> d
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2012-11-17T21:30:28 < Laurenceb_> *plunger
2012-11-17T21:30:34 < emeb_mac> interfacing w/ biologicals is fraught.
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2012-11-17T21:30:48 < emeb_mac> guy I know designs ultrasound systems.
2012-11-17T21:31:03 < Laurenceb_> yes, you cant just stick it it down onto someones arm
2012-11-17T21:31:12 < Laurenceb_> as it wobbles about, even with an arm rest
2012-11-17T21:31:17 < emeb_mac> tells me about testing on dogs, pigs, obese people. ugh.
2012-11-17T21:31:23 < Laurenceb_> and im trying to get <0.05psi error in pressure
2012-11-17T21:31:44 < Laurenceb_> and applied pressure slew rate of ~100psi/second
2012-11-17T21:32:11 < emeb_mac> sounds... difficult.
2012-11-17T21:34:25 < Laurenceb_> yeah
2012-11-17T21:34:32 < Laurenceb_> solenoid was fast enough, just
2012-11-17T21:34:50 < Laurenceb_> but not repeatable or accurate
2012-11-17T21:35:16 < emeb_mac> maybe you need hydraulics/pneumatics?
2012-11-17T21:35:29 < Laurenceb_> yeah i have a pneumatics cuff system working
2012-11-17T21:35:47 < Laurenceb_> but it cant do arbitrary pressure/time profiles
2012-11-17T21:35:54 < Laurenceb_> which is what i need
2012-11-17T21:36:28 < Laurenceb_> ive got a firgelli L12 linear actuator working
2012-11-17T21:36:41 < Laurenceb_> its fairly accurate and very repeatable
2012-11-17T21:36:52 < Laurenceb_> seems to suffer from poor potentiometer performance
2012-11-17T21:36:57 < Laurenceb_> but its not fast enough
2012-11-17T21:37:16 < Laurenceb_> hopefully modified linear actuator with a stepper motor on the end will do everything i need
2012-11-17T21:37:32 < emeb_mac> steppers are fairly easy to do.
2012-11-17T21:37:56 < Laurenceb_> ive got a strain gauge glued onto the shaft for force feedback
2012-11-17T21:39:32 < emeb_mac> does the allegro chip give back emf feedback?
2012-11-17T21:39:58 < Laurenceb_> nope
2012-11-17T21:40:07 < emeb_mac> bummer - that would be cool.
2012-11-17T21:40:13 < Laurenceb_> but i can slew the step rate
2012-11-17T21:40:27 < Laurenceb_> i thought of inductive position sensing with the solenoid
2012-11-17T21:40:40 < Laurenceb_> but id still be stuck with the friction thats all ove rthe place
2012-11-17T21:41:09 < emeb_mac> plus inductive sensing on a solenoid might get interference from the driver coil.
2012-11-17T21:41:12 < Bird|lappy> yeah, solenoids are typically used as binary devices
2012-11-17T21:41:30 < emeb_mac> Hey - I've invented a (bad) transformer!
2012-11-17T21:42:42 < emeb_mac> Laurenceb_: maybe a voice-coil driver a-la hard drives?
2012-11-17T21:42:45 < Laurenceb_> i tried driving the solenoid with a sawtooth current
2012-11-17T21:43:12 < Laurenceb_> the friction behaviour was really obvious from the response
2012-11-17T21:43:27 < Laurenceb_> emeb: maybe, but i need linear and 10N or more force
2012-11-17T21:44:34 < emeb_mac> 10N is about 1kg at normal gravity, right?
2012-11-17T21:44:52 < emeb_mac> a fair amount of force.
2012-11-17T21:46:33 < Laurenceb_> yes
2012-11-17T21:47:23  * emeb_mac can tell Laurenceb_ is a physicist  - he talks about newtons.
2012-11-17T21:48:03 < Laurenceb_> heh
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2012-11-17T22:07:55 < Laurenceb_> ah its selftroll o clock
2012-11-17T22:08:17 < Laurenceb_> searching for ages on old hard drives for some stuff  - find test file from 5 years ago
2012-11-17T22:08:23 < Laurenceb_>  "fuck you the files have moved"
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2012-11-17T23:00:08 < Laurenceb_> http://uncyclopedia.wikia.com/wiki/Boards_of_Canada
2012-11-17T23:00:13 < Laurenceb_> thats not even funny
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2012-11-17T23:09:56 < emeb> you a BoC fan?
2012-11-17T23:11:08 < Laurenceb_> how di you work that out
2012-11-17T23:11:39  * emeb has a fair amount of that on his music server.
2012-11-17T23:13:41 < emeb> lol "heavy classical, death gospel, post-Tennessee discojug revival"
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--- Day changed Sun Nov 18 2012
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2012-11-18T00:48:43 < zyp> http://bin.jvnv.net/f/4kCqP.jpg <- I happened to find this pic on my phone
2012-11-18T00:49:08 < zyp> I've been meaning to post it here
2012-11-18T00:49:29 < Laurenceb_> haha
2012-11-18T00:50:07 < zyp> (it's a store I found in japan)
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2012-11-18T00:54:43 < LongChair> good evening everyone
2012-11-18T00:55:04 < LongChair> I'd have a question regarding eclipse use with arm gdb
2012-11-18T00:55:25 < LongChair> when you use F11 it will run the upload / start gdb session
2012-11-18T00:55:45 < LongChair> but is there a way to terminate automatically the last session when pressin again F11 ?
2012-11-18T00:55:55 < LongChair> instead of starting a new one ?
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2012-11-18T01:33:50 < Laurenceb_> stm32F11 ?
2012-11-18T01:33:56 < Laurenceb_> that wont be out for a while yet
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2012-11-18T02:29:34 < dongs> sup dongs
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2012-11-18T04:03:19 < dongs> attn motherfuckers http://i.imgur.com/rOTz8.jpg
2012-11-18T04:06:08 < emeb> nice.
2012-11-18T04:06:20 < dongs> EDID comes up as "Apple Color LCD"
2012-11-18T04:06:21 < dongs> keke
2012-11-18T04:07:53 < emeb> so your high-speed routes seem to have worked fine.
2012-11-18T04:08:25 < Bird|lappy> o/\o
2012-11-18T04:08:40 < dongs> seemingly
2012-11-18T04:09:50 < emeb> what's next?
2012-11-18T04:10:47 < dongs> evaluating hdmi>dp chips if they can handle 2k rez, then making a proper power/backlight/etc driver board, getting case made, tehn kickstarter
2012-11-18T04:11:18 < dongs> 18V is barely enough for backlight
2012-11-18T04:11:19 < dongs> its pretty dark
2012-11-18T04:11:26 < dongs> which si the max my power supply can do
2012-11-18T04:11:27 < dongs> :(
2012-11-18T04:12:11 < dongs> pixels look mega awesome.
2012-11-18T04:12:19 < dongs> i need to turn it upsidw doen and take some better pics later.
2012-11-18T04:12:19 < dongs> bbl
2012-11-18T04:12:22 < emeb> that's a retina display?
2012-11-18T04:18:38 < dongs> sure
2012-11-18T04:18:43 < dongs> 2k
2012-11-18T04:29:17 < baird> Retina display Arduino shield.
2012-11-18T04:31:06 < Bird|lappy> actually, that seems like the kind of thing that actually would be a useful BeagleBone cape, or perhaps something that could I/F to a FPGA board for that matter
2012-11-18T04:35:58 < dongs> let's hope hdmi to dp chipset can do >1080pee
2012-11-18T04:36:27 < dongs> will find out sometime next week
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2012-11-18T05:36:37 < dongs> http://i.imgur.com/arEQZ.jpg fixed rez
2012-11-18T05:41:13 < emeb> purty!
2012-11-18T05:41:36 < emeb> so what do think you can sell those for once you get it all together?
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2012-11-18T06:46:27 < dongs> http://chivethethrottle.files.wordpress.com/2012/11/wtf-wed-11_14_12-500-1.jpg
2012-11-18T06:46:28 < dongs> loldongs
2012-11-18T06:46:55 < dongs> first i need to figure out what to do for backlight
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2012-11-18T06:55:07 < emeb_mac> what's wrong with the backlight - just supply voltage?
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2012-11-18T07:24:38 < dongs> yeah
2012-11-18T07:24:48 < dongs> i mean i will need to get a >18V bench supply to test out what it really should be
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2012-11-18T07:54:07 < dongs> http://media.cmgdigital.com/shared/lt/lt_cache/thumbnail/908/img/photos/2012/11/18/50/b1/7d6f77c60dde4a98befbb97f8fb5001b-6554232fbf6c4fa78c2bd9f874740413-0.jpg dubai did wtc
2012-11-18T07:59:17 < emeb_mac> ref: http://english.alarabiya.net/articles/2012/11/18/250231.html
2012-11-18T08:01:30 < dongs> Ya
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2012-11-18T08:51:22 < baird> a raspbian included game: Squirrel eat squirrel. lol
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2012-11-18T10:38:39 < dongs> almost as exciting as angry birds
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2012-11-18T11:19:00 < dongs> i leave and blog ends
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2012-11-18T11:33:27 < baird> Little did people realise, but dongs was the blogger the whole time...
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2012-11-18T11:37:56 < dongs> lo
2012-11-18T11:37:57 < jpa-> gosh! i knew it
2012-11-18T11:38:19 < dongs> this panel evne properly scales bios
2012-11-18T11:38:23 < jpa-> now we just need some evidence and we can go to the law enforcement to get him locked up for good
2012-11-18T11:38:52 < dongs> its too bad the last laptop panasonic did in 10" with 4"3 display only has vga out
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2012-11-18T11:57:57 < claude_> dongs , the ipad display? got it working?
2012-11-18T12:03:23 < baird> <dongs> attn motherfuckers http://i.imgur.com/rOTz8.jpg
2012-11-18T12:03:50 < dongs> yes
2012-11-18T12:04:01 < dongs> 18:54 < timecop> 200x300mm
2012-11-18T12:04:01 < dongs> 18:54 < timecop> should make a nice cover. gonna get cnc guy to measure and make shit
2012-11-18T12:04:05 < dongs> 18:55 <@Arx> I will probably ghetto-fab mine.
2012-11-18T12:04:07 < dongs> err
2012-11-18T12:04:14 < dongs> http://i.imgur.com/arEQZ.jpg http://i.imgur.com/dF2hy.jpg better pics
2012-11-18T12:06:00 < jpa-> dongs: you stupid! you connected it upside down!
2012-11-18T12:06:08 < dongs> i kno rite
2012-11-18T12:06:55 < ABLomas> just re-connect it in correct order!
2012-11-18T12:12:24 < baird> That's the Australian model he's making for me.
2012-11-18T12:14:05 < dongs> haha
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2012-11-18T12:54:21 < claude_> dongs: wow great! look really cool
2012-11-18T12:54:33 < claude_> looks even
2012-11-18T13:03:55 < dongs> oh, I forgot about fine adjustment knob on my power supply. now it's nice and bright at 18.6v
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2012-11-18T17:23:59 < dongs> totally no chats
2012-11-18T17:24:07 < dongs> Laurenceb_: http://i.imgur.com/arEQZ.jpg http://i.imgur.com/dF2hy.jpg
2012-11-18T17:24:55 < zyp> looks nice
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2012-11-18T17:36:29 < karlp> so what did you make again? it's a dongle that lets you drive retina panels with regular hdmi cables?
2012-11-18T17:42:58 < BrainDamage> why is the demo pic not goatse?
2012-11-18T17:43:05 < BrainDamage> too low res?
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2012-11-18T17:45:50 < dongs> karlp: hdmi is next step. for now, just displayport
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2012-11-18T17:51:56 < zyp> does hdmi support high enough resolution?
2012-11-18T17:52:21 < zyp> I guess some of the newer hdmi revisions do
2012-11-18T17:52:31 < zyp> but why not just use displayport?
2012-11-18T17:55:05 < karlp> so, you buy a "replacement" retina panel on ebay, plus your dongle, and you can make your own high res "thing"
2012-11-18T17:56:30 < zyp> yep
2012-11-18T18:16:46 < Laurenceb_> epic
2012-11-18T18:17:10 < Laurenceb_> isnt displayport compatible with hdmi?
2012-11-18T18:21:39 < emeb_mac> anyone here ever used the FSMC?
2012-11-18T18:26:02 < jpa-> yes
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2012-11-18T18:29:07 < Laurenceb_> you can get displayport on windoze?
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2012-11-18T18:32:09 < jpa-> Laurenceb_: sure, even my two years old laptop at work has displayport
2012-11-18T18:32:42 < jpa-> thunderbolt is the apple specific one
2012-11-18T18:32:47 < Laurenceb_> oh
2012-11-18T18:32:54 < Laurenceb_> i thought it was apple only
2012-11-18T18:33:05 < Laurenceb_> s/windoze/pc
2012-11-18T18:33:26 < Laurenceb_> as presumably there are displayport drivers to get monitors working with boot camp
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2012-11-18T18:33:41 < jpa-> apple devices no longer even have displayport, they have thunderbolt now
2012-11-18T18:33:51 < Laurenceb_> yeah
2012-11-18T18:34:00 < Laurenceb_> i had a nighmare last night
2012-11-18T18:34:24 < Laurenceb_> someone had removed the monitors from my workstation and replaced with dell widescreen ones
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2012-11-18T18:34:49 < Erlkoenig> i would have guessed it had something to do with exams or project deadlines
2012-11-18T18:36:35 < karlp> bleh, "format '%u' expects argument of type 'unsigned int', but argument 2 has type 'u32'"
2012-11-18T18:36:46 < karlp> u32 is defined as uint32_t, which is defined as unsigned int.
2012-11-18T18:37:18 < emeb_mac> compilers - what ya gonna do?
2012-11-18T18:37:35 < Laurenceb_> call compiler busters?
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2012-11-18T18:38:01 < emeb_mac> jpa-: anything special about FSMC besides what's in the RM?
2012-11-18T18:38:30 < jpa-> emeb_mac: the erratas :)
2012-11-18T18:38:35 < jpa-> it does spurious reads
2012-11-18T18:38:46 < emeb_mac> shouldn't be a big deal.
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2012-11-18T18:39:03 < emeb_mac> just hooked to memory, so reads don't trigger anything.
2012-11-18T18:39:04 < jpa-> also on some stm32f103 revisions it crashes if you access it from two DMA controllers
2012-11-18T18:39:26 < jpa-> ah, yeah, for memory nothing special comes to mind
2012-11-18T18:39:43 < emeb_mac> this is on an F4, no DMA. should be OK
2012-11-18T18:54:19 < emeb_mac> interesting to compare output from gcc 4.7 vs gcc 4.6
2012-11-18T18:54:37 < emeb_mac> I'm working on a FIR filter for an audio sinc interpolator
2012-11-18T18:55:51 < emeb_mac> 4.7 knows how to us the smlal instruction for the MAC in the FIR kernel
2012-11-18T18:56:27 < emeb_mac> 4.6 apparently has no clue and breaks it down into separate mults and 2 adds (for 64 bit accum)
2012-11-18T18:58:20 < karlp> they did claim that 4.6 was only trying to stabilise support on platforms, and 4.7 was going to focus on optimziations for those hardwares iirc,
2012-11-18T18:58:29 < karlp> 4.6 was actually backwards for some users on some platforms.
2012-11-18T18:59:34 < karlp> comment #1 https://answers.launchpad.net/gcc-arm-embedded/+question/196873
2012-11-18T18:59:42 < emeb_mac> would be nice to have 4.7 toolchain for CooCox on winders
2012-11-18T19:28:20 < zyp> jpa-, thunderbolt is not apple-specific either
2012-11-18T19:30:03 < zyp> the launchpad toolchain has scheduled a 4.7 release in a month or so, should solve any problems with availability of 4.7 toolchains
2012-11-18T19:30:19 < zyp> (which is nice, because my C++11 stuff requires 4.7)
2012-11-18T19:30:28 < Erlkoenig> not all C++11 stuff ;)
2012-11-18T19:30:40 < Erlkoenig> std::initializer_list works with 4.6 ;)
2012-11-18T19:31:00  * emeb_mac waits for 4.7 launchpad.
2012-11-18T19:31:17 < zyp> Erlkoenig, I clearly stated _my_ C++11 stuff.
2012-11-18T19:31:18 < zyp> :p
2012-11-18T19:31:22 < Erlkoenig> oohps
2012-11-18T19:31:24 < Erlkoenig> okay ;)
2012-11-18T19:32:01 < emeb_mac> this is teh intarwebz - we loves to leap to conclusions and argue!
2012-11-18T19:33:19  * emeb_mac reads the FSMC section of the RM
2012-11-18T19:34:49 < emeb_mac> looks like: set GPIO up (speed, AF, etc), set BCRx, BTRx, BWTRx regs for the desired bank.
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2012-11-18T19:38:22 < Laurenceb_> does tnt use 4.7?
2012-11-18T19:41:10 < Laurenceb_> http://www.mentor.com/embedded-software/sourcery-tools/sourcery-codebench/evaluations/arm-eabi?cmpid=7152
2012-11-18T19:41:26 < Laurenceb_> looks likw codesourcery is
2012-11-18T19:42:03 < zyp> says so
2012-11-18T19:57:11 < Laurenceb_> wheres the direct download link for codesourcery?
2012-11-18T19:57:55 <+Steffanx> on our wiki
2012-11-18T19:58:29 <+Steffanx> Really: http://stm32.izua.ro/wiki/Sourcery_CodeBench_Lite
2012-11-18T20:00:03 < Laurenceb_>  libraries compiled with hardware floating point aren't included.
2012-11-18T20:00:05 < Laurenceb_> really?
2012-11-18T20:00:08 < Laurenceb_> that sucks
2012-11-18T20:00:43 < Laurenceb_> is tnt compiled better?
2012-11-18T20:02:26 <+Steffanx> Better than what?
2012-11-18T20:02:56 <+Steffanx> dekar__ claims TNT produces the smallest binaries. ( Not smaller than ARMCC though )
2012-11-18T20:04:42 < karlp> TNT uses 4.8 beta doesn't it?
2012-11-18T20:05:11 <+Steffanx> yeah
2012-11-18T20:05:12 <+Steffanx> "Switched to a GCC 4.8 snapshot"
2012-11-18T20:05:55 <+Steffanx> and after that it swiched back :P
2012-11-18T20:06:40 < Laurenceb_> does tnt use math libs optimised for fpu?
2012-11-18T20:07:26 < Laurenceb_> in my experience tnt produces smal;lest binaries, yes
2012-11-18T20:07:40 < Laurenceb_> smaller than iar and codesourcery
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2012-11-18T20:35:13 < Laurenceb_> interesting - codesourcery includes gprof
2012-11-18T20:35:21 < Laurenceb_> will that work with texane?
2012-11-18T20:35:32 < Laurenceb_> does it talk to a gdb server?
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2012-11-18T21:22:47 < Laurenceb_> lol
2012-11-18T21:22:57 < Laurenceb_> projects are bigger with new codesourcery
2012-11-18T21:23:47 < Laurenceb_> averaging about 0.3% larger
2012-11-18T21:24:34 < Laurenceb_> presumably its better code
2012-11-18T21:26:37 < Laurenceb_> was using 4.6.1 before
2012-11-18T21:26:45 < Laurenceb_> swapped to 4.7.2
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2012-11-18T22:43:52 < zippe> Laurenceb: gprof means you need to write the m*count functions and provide a large enough buffer
2012-11-18T22:49:14 < Laurenceb_> ok
2012-11-18T22:53:09 < Laurenceb_> then i read the buffer with gdb/whatever  ?
2012-11-18T22:53:16 < Laurenceb_> and pipe into gprof  ?
2012-11-18T22:55:29 < Laurenceb_> sounds like an excuse to get SWO wqorking
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2012-11-18T22:56:59 < karlp> monday the 1st of january, in the year 0.
2012-11-18T22:57:06 < karlp> what an awesome reset value for the rtc clock
2012-11-18T22:58:16 < Laurenceb_> F4?
2012-11-18T22:58:35 < Laurenceb_> i really dont understand why they have the stupid hardware calendar
2012-11-18T22:58:42 < Laurenceb_> F1 is _so_  much saner
2012-11-18T22:59:50 < Laurenceb_>  e.g. what happens i want to sync to gps time
2012-11-18T23:01:22 < karlp> f1 looks lame compared to the the new style rtc in all the rest.
2012-11-18T23:01:28 < karlp> what's the problem with f4?
2012-11-18T23:01:32 < karlp> why's f1 so good?
2012-11-18T23:04:29 < karlp> I guess you mean it's easy for f1 to just have a seconds counter.
2012-11-18T23:04:36 < karlp> big deal.
2012-11-18T23:10:18 < Laurenceb_> lol
2012-11-18T23:10:25 < Laurenceb_> its less effort
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2012-11-19T00:37:24 < zyp> ok
2012-11-19T00:39:53 <+Steffanx> I could quote you now zyp, but i wont :P
2012-11-19T00:44:03 < dongs> zyp, i have some evalboards on the way for hdmi receivers that on paper claim being able to do 2048x, with 225? or someshit MHz pixel clock
2012-11-19T00:44:14 < dongs> so i will get to try and find out.
2012-11-19T00:44:39 < dongs> Laurenceb_: dp+ can carry hdmi signals over same connector, thats how passive dp>hdmi adapters work. otherwise, its totally different, and is not compatible.
2012-11-19T00:44:59 < dongs> (most video cards support dp+ and just switch to HDMI when a passive adapter is connected)
2012-11-19T00:45:15 < dongs> passive hdmi>dp is not possible.
2012-11-19T00:45:45 <+Steffanx> Why they still didn't drop hmdi and all use dp? :)
2012-11-19T00:50:11 < Laurenceb_> so does the ipad screen support dp+?
2012-11-19T00:50:55 < karlp> Steffanx: because of all the hifi stuff out there that also uses hdmi
2012-11-19T00:51:08 < Laurenceb_> http://www.google.co.uk/url?sa=t&rct=j&q=stm32%20stepper%20driver&source=web&cd=1&ved=0CCwQFjAA&url=http%3A%2F%2Fwww.st.com%2Finternet%2Fcom%2FTECHNICAL_RESOURCES%2FTECHNICAL_LITERATURE%2FAPPLICATION_NOTE%2FCD00207733.pdf&ei=ll-pULiWHvDO4QS3rID4BQ&usg=AFQjCNHfi428awx6fEoIuMHry2RYB7cTPg&cad=rja
2012-11-19T00:51:11 < Laurenceb_> eww
2012-11-19T00:51:19 < Laurenceb_> but interesting pdf
2012-11-19T00:51:24 <+Steffanx> eww you link
2012-11-19T00:51:38 <+Steffanx> Time to download a plugin that removes that google crap Laurenceb_
2012-11-19T00:52:20 < Laurenceb_> yeah
2012-11-19T00:59:34 < zyp> dongs, but why hdmi?
2012-11-19T01:00:05 < zyp> what advantage would that offer over dp?
2012-11-19T01:01:15 < dongs> zyp, who the fuck besides applefags even has hdmi
2012-11-19T01:01:29 < dongs> also passive DVI>HDMI shits exist.
2012-11-19T01:02:15 <+Steffanx> Dell ..
2012-11-19T01:02:22 < zyp> my nvidia card has dp
2012-11-19T01:02:41 < dongs> yaeh, but try finding dual dp cards
2012-11-19T01:02:44 < dongs> all fucking AMD trash
2012-11-19T01:02:46 < zyp> ati/amd or whatever they are called nowadays have those cards with a lot of mini-dp outputs
2012-11-19T01:02:50 < dongs> yes
2012-11-19T01:03:03 < dongs> cheapest nvidia with 2 dp = $400
2012-11-19T01:03:08 < dongs> ati = like $100
2012-11-19T01:04:26 < zyp> hmm, apparently you have to use HDMI 1.3 or higher to get those resolutions
2012-11-19T01:04:32 < dongs> yea
2012-11-19T01:04:46 < zyp> because it's at around twice the clock rate of previous
2012-11-19T01:05:02 < dongs> and i have HDMI 1.4 receiver chip on the way.
2012-11-19T01:05:49 < dongs> supporting link speeds up to 2.25gbps (link clock rate 225mhz)
2012-11-19T01:05:58 < zyp> sure, but does your source support outputting that?
2012-11-19T01:05:58 < dongs> can DVI do it?
2012-11-19T01:06:11 < dongs> any modern video card ought to do it
2012-11-19T01:06:16 < dongs> ill find out!
2012-11-19T01:06:21 < dongs> i have the cheapest vid cards ever
2012-11-19T01:06:25 < zyp> according to wikipedia, it doesn't look like the DVI spec has followed the HDMI development
2012-11-19T01:06:37 < zyp> remember that DVI is normally dual link
2012-11-19T01:06:43 < dongs> 1.3 and 1.4 is mostly 3D trash
2012-11-19T01:06:46 < zyp> but passive HDMI adapters only use one of those
2012-11-19T01:06:49 < dongs> and blahbit color
2012-11-19T01:07:32 < dongs> shrug, if it doesnt work, i send evalboards back and stop caring :)
2012-11-19T01:07:43 < zyp> :p
2012-11-19T01:09:35 < zyp> I'm getting the impression that DP is about to replace DVI anyway, so it seems to be the most sensible choice
2012-11-19T01:09:42 < dongs> yeah, sure
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2012-11-19T01:11:18 < zyp> dp replacing hdmi seems to be happening on smartphones too
2012-11-19T01:11:27 < dongs> you sure?
2012-11-19T01:11:36 < dongs> that MHT shit is permanently there
2012-11-19T01:11:40 < zyp> MHL?
2012-11-19T01:11:44 < dongs> or that yeah
2012-11-19T01:11:47 < zyp> it's being replaced with slimport
2012-11-19T01:11:51 < zyp> which is single lane DP
2012-11-19T01:11:59 < karlp> what is/was MHL?
2012-11-19T01:12:10 < zyp> single lane HDMI, I think
2012-11-19T01:12:18 < dongs> some bullshit that your phone does over its microusb connector
2012-11-19T01:12:30 < zyp> slimport is also over microusb
2012-11-19T01:12:52 < zyp> using d+/d- for a dp lane and aux on id-pin
2012-11-19T01:14:20 < dongs> anyway, sadly, the panel doesnt support hdcp :(
2012-11-19T01:14:28 < zyp> oh no!
2012-11-19T01:15:45 < zyp> I don't think I've ever used anything that requires hdcp, I hope I never will either
2012-11-19T01:15:53 < dongs> well you run lunix
2012-11-19T01:16:02 < dongs> dont think that supports it
2012-11-19T01:16:07 < zyp> I'm not
2012-11-19T01:16:22 < dongs> if you  run macfag that most definitely makes use of HDCP.
2012-11-19T01:16:29 < zyp> for what?
2012-11-19T01:16:45 < dongs> cuz apple is worried their fuzzy reencodes of american tvshows from itunes are gonna be pirated by stealing raw pixels
2012-11-19T01:17:01 < dongs> (instead of the way they're pirated now, as original mp4 decrypted right from jewtunes store)
2012-11-19T01:17:06 < zyp> well, I'm not using itunes
2012-11-19T01:17:30 < dongs> really?
2012-11-19T01:17:44 < zyp> I don't even have it installed
2012-11-19T01:17:51 < dongs> how is taht possible
2012-11-19T01:17:55 < dongs> isnt it preloaded on all mac
2012-11-19T01:18:00 < zyp> well, yeah
2012-11-19T01:18:03 < zyp> I removed it
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2012-11-19T01:18:34 < zyp> because it tends to start everytime I hit the play button and no other player is capturing that
2012-11-19T01:18:42 < zyp> and I got fucking tired of that bullshit
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2012-11-19T01:47:31 < dongs> http://www.ebay.com/itm/271104996815
2012-11-19T01:49:06 -!- DaKu is now known as daku
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2012-11-19T02:29:27 < baird> lol ruby: https://gist.github.com/4106776 "Cancelled because everyone was white middle-class males"
2012-11-19T02:31:47 < dongs> haha
2012-11-19T02:33:12 < dongs> isnt ruby jap shit anyway
2012-11-19T02:34:04 < Erlkoenig> ruby is very nice, when used for the right purposes
2012-11-19T02:34:12 < Erlkoenig> afk, measuring
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2012-11-19T02:34:31 < baird> I've always though of it as being in the LOGO ('procedural Lisp') class of langs..
2012-11-19T02:35:23 < dongs> i've always thought of it being about as useful as python
2012-11-19T02:35:44 < dongs> another "metoo" lang made for no purpose other than to "scratch an itch"
2012-11-19T02:36:01 < dongs> some itches better be left unscratched, or else they turn into open sores.
2012-11-19T02:36:57 < baird> Python's interactive read-eval-print system makes me like it a lot more than others.. I'm certainly not going back to Perl.
2012-11-19T02:38:49 < dongs> perl > python
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2012-11-19T02:41:13 < Erlkoenig> damn hardfaults
2012-11-19T02:41:50 < baird> Ha, sure enough-- in the comments of the link, there's someone screaming about 'privilege' and that's it conspiratorial that the organizers couldn't make at least 25% of the presenters female..
2012-11-19T02:42:37 < Erlkoenig> yeay stereotypes
2012-11-19T02:43:11 < Erlkoenig> at my uni there was some sort of "job fair". lots of pretty woman, and my co-students were all like "ooh look at her and look at that one" oOo
2012-11-19T02:44:08 < dongs> baird: https://boards.4chan.org/r9k/res/4491664
2012-11-19T02:44:40 < baird> If you believed the publicity from my first Uni, 75% of the students in the Engineering department were female.. >_>
2012-11-19T02:44:54 < dongs> haha
2012-11-19T02:45:02 < dongs> what was teh actual percentage? like 7.5?
2012-11-19T02:45:20 < Erlkoenig> dito :>
2012-11-19T02:45:26 < Erlkoenig> fascinating, in math, like 40%
2012-11-19T02:45:56 < baird> 2% I think.
2012-11-19T02:47:15 < Erlkoenig> we have combined parties here: psychology and CS ("psych-o-matic") to equalize the proportions :>
2012-11-19T02:48:48 < emeb_mac> dongs: boards go out today?
2012-11-19T02:49:00 < baird> In 1st/2nd (freshman/soph) Maths subject, it was around 15-20% female, the majority of the girls were Biology or Psychology. It picked up to about 33% by 3rd year Pure maths.
2012-11-19T02:49:25 < dongs> emeb_mac: i think so, was supposed to saturday but still waiting for a bunch of idiots to actually submit the gerbers, panel is on hold.
2012-11-19T02:49:50 < emeb_mac> think there'll be room for the bmp & breakouts?
2012-11-19T02:49:59 < dongs> yes, thats already factored in
2012-11-19T02:50:05 < Erlkoenig> whats funny - some of my ex-maths-costudents who are superneds in algebra and weird stuff are hardly able to install thunderbird without my supervision :D
2012-11-19T02:50:06 < emeb_mac> nice.
2012-11-19T02:50:06 < baird> More girls than usual in the 1st year Statistics Maths, too. Primaryly because of Psych.
2012-11-19T02:50:19 < Erlkoenig> (eeh, female costuents)
2012-11-19T02:52:09 < emeb_mac> I should probably update the BOM for the breakout and write one for the bmp2
2012-11-19T02:52:59 < dongs> https://dlnmh9ip6v2uc.cloudfront.net/images/products/1/0/1/3/8/10138-02.jpg ST makes GSM chipsets?!
2012-11-19T02:53:44 < emeb_mac> huh - looks like they did 3 years ago.
2012-11-19T02:54:00 < dongs> what ST arm is that i wonder
2012-11-19T02:54:22 < zyp> probably cortex-r
2012-11-19T02:54:42 < zyp> if not older
2012-11-19T02:55:39 < dongs> STR9 line is pretty much dead, isnt it?
2012-11-19T02:56:56 < dongs> dead like BSD
2012-11-19T02:57:16 < dongs> oh, stencil for datablogger is here. i guess i will find out if SD works.
2012-11-19T03:01:36 < zyp> hmm, looks like the gsm chipset on that module originated from nxp
2012-11-19T03:02:06 < zyp> because I read OM6357 on that chip, and google hits indicate nxp
2012-11-19T03:02:52 < zyp> it probably went into ST-NXP, before ST-NXP got sucked up by ST-Ericsson
2012-11-19T03:03:22 < zyp> the databrief for OM6357 says arm7
2012-11-19T03:04:05 < dongs> so its like almsot your trollterritory
2012-11-19T03:04:50 < zyp> well, yeah, I thought kind of the point of ST-Ericsson was that ST doesn't have to make their own cellular chipsets
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2012-11-19T04:26:07 < dongs> emeb_mac: panel going out
2012-11-19T04:26:48 < emeb_mac> dongs: sweet! how many panels & how many of the boards on each?
2012-11-19T04:30:45 < dongs> between you and zyp and me there will be plenty of boards left
2012-11-19T04:31:44 < emeb_mac> heh
2012-11-19T04:33:30 < dongs> did  you pull up proper D+ to VCC on BMP board/ :)
2012-11-19T04:33:53 < emeb_mac> dongs: yeah - that was a straight copy of the original.
2012-11-19T04:34:14 < emeb_mac> original BMPM design was in geda/pcb, so I didn't touch that. :)
2012-11-19T04:34:26 < dongs> oh ok haha
2012-11-19T04:35:01 < dongs> ive fucked shit up doing straight copies,
2012-11-19T04:35:08 < dongs> mostly due to fucktards original stuff beingdumb
2012-11-19T04:35:21 < dongs> like one recent shit i rememer, they had CS line pulled to ground
2012-11-19T04:35:27 < dongs> but the fucking symbol was pointing UP
2012-11-19T04:35:29 < dongs> like vcc
2012-11-19T04:35:46 < emeb_mac> lol - garbage in...
2012-11-19T04:40:24 < dongs> lunix in
2012-11-19T04:40:33 < emeb_mac> owche. :P
2012-11-19T04:42:05 < dongs> or iguess i shoulda said ":lunix out"
2012-11-19T04:42:06 < dongs> heeh
2012-11-19T04:43:06 < emeb_mac> http://www.ibiblio.org/Dave/Dr-Fun/df9612/df961220.jpg
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2012-11-19T05:03:47 < dongs> did someone say STM32F3 can invert and reverse RX/TX signals?>
2012-11-19T05:05:55 < emeb_mac> don't know. wasn't me.
2012-11-19T05:07:06 < emeb_mac> yep : Separate signal polarity control for transmission and reception	Swappable Tx/Rx pin configuration
2012-11-19T05:08:39 < dongs> wow.
2012-11-19T05:08:43 < dongs> that is awesomebeans.
2012-11-19T05:08:45 < dongs> is that 303 only ?
2012-11-19T05:08:46 < dongs> or 373 as well
2012-11-19T05:08:58 < emeb_mac> that's in the 3xx RM
2012-11-19T05:09:07 < dongs> there are diferent rms for 303 and 373, no?
2012-11-19T05:09:07 < emeb_mac> so probably both
2012-11-19T05:09:31 < emeb_mac> you're right
2012-11-19T05:09:40 < emeb_mac> this is the 37x/38x rm
2012-11-19T05:09:53 < dongs> meh
2012-11-19T05:09:58 < dongs> whre the fuck is 303 in 48pin!
2012-11-19T05:10:33 < dongs> 11/26 ship estimate my ass
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2012-11-19T05:15:00 < emeb_mac> 30x rm says same thing.
2012-11-19T05:17:17 < dongs> great
2012-11-19T05:17:26 < dongs> finally, shitbus support wihtout having to add hardware inverter
2012-11-19T05:17:38 < dongs> because futaba was too clever and used inverted ttl
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2012-11-19T06:05:22 < dongs> http://www.mangoboard.com/admin/data/prdimg/1206180001_L1.jpg lol
2012-11-19T06:07:27 < emeb_mac> wtf is that?
2012-11-19T06:08:22 < emeb_mac> stm32f103 + usb + 7-seg??!!
2012-11-19T06:08:32 < dongs> ya lol
2012-11-19T06:08:53 < dongs> at least its cheap
2012-11-19T06:08:55 < dongs> $27 or someshit
2012-11-19T06:09:05 < dongs> even less, $25
2012-11-19T06:09:07 < dongs> krw is shit
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2012-11-19T06:09:30 < dongs> http://www.mangoboard.com/admin/data/prdimg/1208020001_L1.jpg or you can have a tarduino
2012-11-19T06:10:39 < emeb_mac> hah - it's got a CdS cell.
2012-11-19T06:10:47 < ds2> just use a 430
2012-11-19T06:11:06 < emeb_mac> wtf is the little PIC processor for?
2012-11-19T06:11:15 < dongs> says motor driver next to it
2012-11-19T06:11:21 < ds2> why through hole?
2012-11-19T06:11:27 < dongs> who knows
2012-11-19T06:11:47 < dongs> http://www.mangoboard.com/admin/data/prdimg/1211080001_L1.jpg this is more along the lines of interest for this channel
2012-11-19T06:12:35 < emeb_mac> oh - that's cute.
2012-11-19T06:12:46 < ds2> that's an ARM9 isn't it?
2012-11-19T06:12:58 < emeb_mac> dunno
2012-11-19T06:13:16 < ds2> the 1808 is basically the L138, IIRC
2012-11-19T06:13:35 < emeb_mac> yep - http://www.ti.com/product/am1808
2012-11-19T06:13:47 < dongs> dead as BSD
2012-11-19T06:14:06 < ds2> there is a time and place for it
2012-11-19T06:14:16 < ds2> at least that sucker has a MMU ;)
2012-11-19T06:14:27 < dongs> sata 1 channel
2012-11-19T06:14:36 < dongs> can lunix.
2012-11-19T06:15:07 < emeb_mac> I've still got a hawkboard around somewhere.
2012-11-19T06:15:25 < ds2> emeb_mac: good or bad board?
2012-11-19T06:15:34 < dongs> http://elinux.org/Hawkboard
2012-11-19T06:15:35 < dongs> looks like this
2012-11-19T06:15:41 < dongs> too big
2012-11-19T06:15:50 < ds2> yes it is big
2012-11-19T06:15:53 < ds2> but the problem is
2012-11-19T06:15:55 < emeb_mac> ds2: it was a fairly early one. boots fine.
2012-11-19T06:16:00 < ds2> they F'ed the DRAM layout on the later revs
2012-11-19T06:16:09 < ds2> emeb_mac: ooh..nifty
2012-11-19T06:16:59 < emeb_mac> ds2: so early = good in this case.
2012-11-19T06:17:23 < ds2> emeb_mac: yep. I got one of those around here
2012-11-19T06:17:42 < baird> http://www.worldtoiletday.org/
2012-11-19T06:17:52 < emeb_mac> I think I bought it from Specialcomp back when he had a sale on or something.'
2012-11-19T06:18:23 < ds2> it really sucks that no one really mades a decent MMU enabled ARM with a relatively simple to layout package
2012-11-19T06:19:20 < emeb_mac> how hard would it be to put a good CPU + MMU + DRAM ctrlr into a qfp?
2012-11-19T06:20:18 < dongs> um
2012-11-19T06:20:20 < dongs> allwinner?
2012-11-19T06:20:21 < dongs> heh.
2012-11-19T06:21:11 < emeb_mac> those are in qfp? thought they were bga too.
2012-11-19T06:21:18 < ds2> Atmel had a chip in QFP
2012-11-19T06:21:29 < emeb_mac> oh yeah - ARM9, right?
2012-11-19T06:21:29 < ds2> but I question the easy to layout part
2012-11-19T06:21:31 < ds2> yep
2012-11-19T06:21:40 < ds2> the AT91RM9200 IIRC
2012-11-19T06:21:49 < emeb_mac> that outfit up in Flagstaff did a board with it.
2012-11-19T06:21:50 < dongs> no, there a bunch of allwinner trash in qfp
2012-11-19T06:21:54 < dongs> thats waht teh olimexi did
2012-11-19T06:22:03 < ds2> emeb_mac: qwik_byte?
2012-11-19T06:22:13 < emeb_mac> ds2: sounds right.
2012-11-19T06:22:59 < ds2> odd folks
2012-11-19T06:23:04 < emeb_mac> looks like they're gone now.
2012-11-19T06:23:24 < ds2> really? they were doing a OMAP3 board a few years ago according to SC
2012-11-19T06:24:29 < ds2> or was it from ESC
2012-11-19T06:24:32 < emeb_mac> wait... kwikbyte was the beagle knockoff. They're here in Chandler.
2012-11-19T06:25:41 < ds2> oh
2012-11-19T06:25:45 < ds2> *shrug*
2012-11-19T06:30:22 < emeb_mac> dongs: right - Olimex "OlinuXino - A13" - https://www.olimex.com/Products/OLinuXino/A13/A13-OLinuXino/
2012-11-19T06:30:28 < dongs> latest WiiU tech http://i.imgur.com/0HjFo.jpg
2012-11-19T06:30:31 < dongs> emeb_mac: yea
2012-11-19T06:30:33 < dongs> that shit
2012-11-19T06:30:43 < emeb_mac> cheap
2012-11-19T06:30:46 < dongs> quite
2012-11-19T06:32:17 < dongs> i wonder if they managed to do that on 2l
2012-11-19T06:32:26 < dongs> i geuss its all opensores
2012-11-19T06:32:29 < dongs> too lazy to look at gerbers
2012-11-19T06:32:44 < emeb_mac> got 'em at DK: http://www.digikey.com/product-detail/en/A13-OLINUXINO-WIFI/1188-1090-ND/3601083
2012-11-19T06:33:35 < dongs> haha.. brd
2012-11-19T06:33:37 < dongs> eagleatrash
2012-11-19T06:35:57 < dongs> haha they'er still using binary version of eagle
2012-11-19T06:36:00 < dongs> i guess i can take a look
2012-11-19T06:36:59 < dongs> how the fuck do they ca ll 4 layer shit in eagle
2012-11-19T06:37:40 < dongs> ah, 4 layer
2012-11-19T06:37:49 < emeb_mac> not bad
2012-11-19T06:37:50 < dongs> but no routing on l2/l3
2012-11-19T06:37:54 < dongs> just power planes
2012-11-19T06:37:56 < dongs> pretty nice
2012-11-19T06:38:00 < dongs> like zero routing
2012-11-19T06:38:05 < dongs> l2 is 100% solid gnd i guess
2012-11-19T06:38:07 < dongs> minus vias
2012-11-19T06:38:18 < emeb_mac> seems good
2012-11-19T06:43:31 < dongs> http://www.st.com/cn/com/CORPORATE_RESOURCES/COMPANY/DIVISIONAL_PRESENTATION/Nuremberg_Workshop_USB.pdf
2012-11-19T06:43:49 < ds2> auto routers suck
2012-11-19T06:44:06 < dongs> autorouter used smartly is pretty awsm
2012-11-19T06:44:17 < ds2> not worth the $$ to buy the autorouter option on eagle... except maybe for tiny simple boards
2012-11-19T06:44:18 < dongs> emeb_mac: good reading 4 u
2012-11-19T06:44:27 < dongs> lol, eagle sucks anyway
2012-11-19T06:44:43 < emeb_mac> dongs: looking
2012-11-19T06:44:50 < dongs> dicktrace autorouter is ok for simple stuff. I know a guy who swears by it
2012-11-19T06:44:54 < ds2> unless diptrace can import and export orcad and allegro...
2012-11-19T06:44:57 < dongs> manually routes important shit and just hits autoroute for the rest
2012-11-19T06:44:58 < dongs> it can
2012-11-19T06:45:02 < ds2> simple stuff.. sure, get more complex and...
2012-11-19T06:45:08 < dongs> dicktrace does dsn/ses shit
2012-11-19T06:45:10 < dongs> for routing
2012-11-19T06:45:19 < dongs> so you can integrate it with wahtever autourouter
2012-11-19T06:45:20 < ds2> can it load it?
2012-11-19T06:45:23 < dongs> yes
2012-11-19T06:45:28 < ds2> Hmmmm
2012-11-19T06:45:32 < dongs> wait, what you mean?
2012-11-19T06:45:44 < dongs> to send dicktrace model for routing in shit that reads dsn/ses?
2012-11-19T06:45:46 < dongs> or the other way around
2012-11-19T06:45:48 < ds2> say I have someone do a board in Allegro, can I load it and modify it myself?
2012-11-19T06:45:52 < dongs> ah, no
2012-11-19T06:45:57 < ds2> oh
2012-11-19T06:46:06 < ds2> supposely Son of Protel can do something like that
2012-11-19T06:49:30 < dongs> altium shit?
2012-11-19T06:49:35 < dongs> it can import some
2012-11-19T06:49:40 < dongs> i wouldnt trust any non-native import of shit anyway
2012-11-19T06:49:55 < dongs> i've seen people import shit like pads ascii into altium and go cntinue workign on it
2012-11-19T06:49:58 < dongs> sigh
2012-11-19T06:50:33 < ds2> yeah
2012-11-19T07:10:19 < dongs> http://i.ebayimg.com/t/Vintage-386-DOS-6-22-Windows-3-1-Computer-3-5-5-25-Floppy-Drives-ISA-Slots-/00/s/OTQ1WDE2MDA=/$(KGrHqFHJDcFBt3TnC6ZBQj(-F7GF!~~60_57.JPG
2012-11-19T07:10:24 < dongs> do you think thats a VFD
2012-11-19T07:15:16 < emeb_mac> sure looks like it
2012-11-19T07:17:15 < baird> I've got something like that somewheres..
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2012-11-19T07:36:44 < ds2> what is the interest in VFDs?
2012-11-19T07:42:41 < emeb_mac> all retro n stuff.
2012-11-19T07:42:50 < emeb_mac> ask mranostay :)
2012-11-19T07:43:20 < baird> Brainstorming ideas for 15 seconds of fame on Hackaday
2012-11-19T07:43:31 < ds2> Got a bunch of them sitting around
2012-11-19T07:43:42 < ds2> wonder if it is worth the effort to locate and sell
2012-11-19T07:43:49 < dongs> haha
2012-11-19T07:43:54 < dongs> < baird> Brainstorming ideas for 15 seconds of fame on Hackaday
2012-11-19T07:44:00  * emeb_mac prefers nixie tubes.
2012-11-19T07:44:01 < dongs> so true
2012-11-19T07:44:34 < baird> nixies are so 2006
2012-11-19T07:45:04 < ds2> yep
2012-11-19T07:45:25 < ds2> if I want retro, I'll turn on my regen receiver with tubes on them
2012-11-19T07:47:25 < emeb_mac> I found some old 7-seg LED bubble displays a while back: https://plus.google.com/photos/102551934997523314432/albums/5729212799220821089/5729212797473591970
2012-11-19T07:47:34 < dongs> 403 bro
2012-11-19T07:48:30 < emeb_mac> just a sec...
2012-11-19T07:48:43 < baird> Saw tonnes of those at the CCARC fleamarket back in Feburary. Looks like too much of a PITA to drive, though.
2012-11-19T07:48:46 < dongs> imgur that shit who teh fuck uses picasa
2012-11-19T07:48:49 < dongs> more like spicasa
2012-11-19T07:49:02 < baird> spicassa
2012-11-19T07:50:27 < emeb_mac> trying - imgur is froze
2012-11-19T07:50:32 < dongs> yeah its been fucing up
2012-11-19T07:50:35 < dongs> all day yesterday and today
2012-11-19T07:50:37 < dongs> minus.com i guess.
2012-11-19T07:51:37 < emeb_mac> http://i.imgur.com/13vz5.png
2012-11-19T07:52:05 < dongs> BSD'd
2012-11-19T07:52:07 < dongs> oh there it goes
2012-11-19T07:52:08 < dongs> slow as shit
2012-11-19T07:52:28 < emeb_mac> wtf imgur?
2012-11-19T07:52:35 < dongs> STILL going
2012-11-19T07:52:47 < dongs> that should have really been jpg tho
2012-11-19T07:52:59 < emeb_mac> whatevs
2012-11-19T07:53:11 < dongs> is that one of those
2012-11-19T07:53:15 < dongs> that has leds under a lens
2012-11-19T07:53:21 < emeb_mac> yep
2012-11-19T07:53:23 < dongs> those are so awesome
2012-11-19T07:53:27 < emeb_mac> like old calculators
2012-11-19T07:53:29 < dongs> yeah
2012-11-19T07:53:32 < dongs> i had some in like '96
2012-11-19T07:53:49 < emeb_mac> got 10 from a local surplus outfit
2012-11-19T07:53:57 < dongs> is that DIP or something lol
2012-11-19T07:54:08 < emeb_mac> yep - 14-pin DIP
2012-11-19T07:54:19 < emeb_mac> super easy to drive from an MCU
2012-11-19T07:54:30 < dongs> now youre ready for hackaday
2012-11-19T07:54:33 < emeb_mac> just 7 anodes & 5 cathodes.
2012-11-19T07:54:35 < dongs> ask beard to submit the article for you
2012-11-19T07:54:56 < emeb_mac> lol
2012-11-19T07:55:17 < dongs> 5 cathodes, so you have to scan it?
2012-11-19T07:55:24 < emeb_mac> yeah
2012-11-19T07:55:28 < dongs> tarduino: not suitable for job
2012-11-19T07:55:46 < baird> yay interrupts...
2012-11-19T07:55:50 < emeb_mac> heh - yeah I was playing with ATmega back then
2012-11-19T07:56:02 < emeb_mac> baird: yup - timer IRQ
2012-11-19T07:56:11 < dongs> arduino has timers??
2012-11-19T07:56:18 < emeb_mac> yep
2012-11-19T07:56:27 < emeb_mac> 16-bit maybe?
2012-11-19T07:59:47 < baird> Ah, this is the thingie I've got that I mentioned before: http://au.element14.com/avago-technologies/hdsp-2532/segmented-alphanumeric-led/dp/9869921
2012-11-19T08:00:27 < emeb_mac> oh yeah - I remember those.
2012-11-19T08:00:46 < emeb_mac> built - in memory & scanning. Just send 'em ascii
2012-11-19T08:01:13 < emeb_mac> not cheap tho
2012-11-19T08:01:32 < baird> Like the ?vfd in the photo, it was pulled from the 'turbo' display of a PC
2012-11-19T08:05:40 < dongs> ooo
2012-11-19T08:05:41 < dongs> that is awesome
2012-11-19T08:05:43 < dongs> lol $47 tho
2012-11-19T08:06:00 < dongs> also: datasheet link is 404
2012-11-19T08:06:03 < dongs> go farnell
2012-11-19T08:06:22 < dongs> or element14 which I suspect is same trash
2012-11-19T08:12:56 < emeb_mac> Here ya go: http://www.mouser.com/ProductDetail/Avago-Technologies/HDLO-1414/?qs=sGAEpiMZZMvkC18yXH9iIsSFKp4VzurGQJOgZImgRIo%3d
2012-11-19T08:16:16 < cdh> gcc -O3 is a bit stupid.
2012-11-19T08:16:18 < cdh>    0x08016b0a <+30>:	movs	r0, #0
2012-11-19T08:16:20 < cdh>    0x08016b0c <+32>:	movs	r3, #0
2012-11-19T08:16:21 < cdh>    0x08016b0e <+34>:	orrs	r2, r0
2012-11-19T08:16:23 < cdh>    0x08016b10 <+36>:	orrs	r3, r4
2012-11-19T08:16:24 < cdh>    0x08016b12 <+38>:	mov	r0, r2
2012-11-19T08:16:26 < cdh>    0x08016b14 <+40>:	mov	r1, r3
2012-11-19T08:16:27 < cdh> From this:
2012-11-19T08:16:29 < cdh>     return (((uint64_t) high << 32) | low);
2012-11-19T08:16:29 < emeb_mac> I never use -O3
2012-11-19T08:16:38 < emeb_mac> use -Os instead.
2012-11-19T08:16:39 < cdh> -Os doesn't look much better.
2012-11-19T08:16:57 < emeb_mac> I've found it's tighter and faster.
2012-11-19T08:17:11 < emeb_mac> what rev of gcc?
2012-11-19T08:18:04 < cdh> I agree with you -- I usually use -Os as well.  This is 4.5.2 compiled with summon-arm-toolchain
2012-11-19T08:18:14 < emeb_mac> ech
2012-11-19T08:19:08 < emeb_mac> 4.6 is what I've been using. Seems OK.
2012-11-19T08:19:52 < cdh> Any idea if its handling of 64-bit values is smarter?
2012-11-19T08:20:29 < emeb_mac> I doubt it. 4.7 is much better with 64-bit tho.
2012-11-19T08:21:16 < emeb_mac> but I've only got it on my mac.
2012-11-19T08:21:31 < cdh> Thanks for the tip.  I should check it out.
2012-11-19T08:25:21 < emeb_mac> PC13-15 - useless GPIO pins
2012-11-19T08:25:28 < emeb_mac> no alt funcs.
2012-11-19T08:27:12 < cdh> They are also sourced from VBAT IIRC
2012-11-19T08:27:12 < ds2> what does armcc do?
2012-11-19T08:27:40 < cdh> ds2 - I don't have armcc.
2012-11-19T08:28:51 < emeb_mac> cdh: interesting - so I suppose they could be used for controlling stuff in powerdown.
2012-11-19T08:29:59 < ds2> what is the rule with driving GPIOs after power down?
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2012-11-19T08:33:06 < cdh> In the F4, VBAT powers PC13 to PC14 and PI8.  PC13 can be used as a GPIO or RTC_AF1.  PC14 and PC15 can be used as GPIO or LSE.  Only one I/O at a time can be used as output.  The GPIOs may not be used as a current source (e.g. to drive LED).  PI8 can be used for RTC_AF2 (tamper or timestamp)
2012-11-19T08:33:31 < cdh> ds2 - since these GPIOs are in the VBAT power domain, they'll retain their last state so long as VBAT is maintained.
2012-11-19T08:33:48 < ds2> cdh: but if VBAT is tied to the main power...
2012-11-19T08:35:44 < cdh> ds2 - then the only thing you get out of them are a bunch of weak-ass GPIOs as emeb_mac already vented.
2012-11-19T08:37:00 < ds2> no
2012-11-19T08:37:16 < ds2> trying to figure out what is the rule with driving them after power off
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2012-11-19T08:40:34 < emeb_mac> looks like the current source limit is only if you're powering them from VDD thru the analog switch.
2012-11-19T08:40:48 < emeb_mac> if Vbat = VDD then you can source current.
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2012-11-19T09:11:00 < dongs> sup trolls
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2012-11-19T09:12:24 < emeb_mac> still awake
2012-11-19T09:13:04 < dongs> i got a self powered usb hub - vbus is not connected at all.
2012-11-19T09:13:17 < dongs> where should i get 5V for nreset? vbus or global 5V
2012-11-19T09:13:26 < dongs> or hub 3V3 i guess
2012-11-19T09:13:43 < dongs> prob the latter.
2012-11-19T09:14:07 < emeb_mac> wait, what?
2012-11-19T09:14:44 < emeb_mac> the hub is self powered, so it doesn't pull 5V from the host, but it still supplies it downdstream.
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2012-11-19T09:15:26 < emeb_mac> you building other stuff into the hub?
2012-11-19T09:16:08 < dongs> it doesnt supply anything
2012-11-19T09:16:14 < dongs> i mean, not to outside
2012-11-19T09:16:21 < dongs> everything else is slef-powered, no usb5V present at all
2012-11-19T09:16:30 < emeb_mac> bizarre.
2012-11-19T09:16:31 < dongs> im just gonna put it on hub's 3.3 supply
2012-11-19T09:16:33 < dongs> makes most sense
2012-11-19T09:17:04 < dongs> how sos?
2012-11-19T09:17:06 < dongs> err how so?
2012-11-19T09:17:10 < dongs> embedded hubs never deal with 5V
2012-11-19T09:17:22 < emeb_mac> that's what I was missing - embedded.
2012-11-19T09:17:27 < dongs> yeah, ok.
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2012-11-19T09:19:32 < ds2> anyone here using the STLink on the discovery boards for their own boards?
2012-11-19T09:23:37 < jpa-> yes
2012-11-19T09:23:44 < emeb_mac> yup
2012-11-19T09:24:25 < emeb_mac> Using an F4 disco to develop/debug another F4 board.
2012-11-19T09:26:23 < jpa-> using L1 disco to debug F4 board
2012-11-19T09:26:24 -!- claude is now known as Claude
2012-11-19T09:30:57 < dongs> stlink sucks so bad
2012-11-19T09:30:59 < dongs> its slow and shitty
2012-11-19T09:31:01 < dongs> buggy, too
2012-11-19T09:31:06 < dongs> i prefer keil ulink2
2012-11-19T09:31:12 < dongs> fastest debugger evar!
2012-11-19T09:31:14 < dongs> k bbl
2012-11-19T09:31:16 < zyp> ok
2012-11-19T09:31:39 < dongs> well
2012-11-19T09:31:42 < dongs> until i try out this awesome 'BMP' shit
2012-11-19T09:33:33 < emeb_mac> heh
2012-11-19T09:34:06 < cdh> I'm also using an F4 disco to dev/debug another F4 board.
2012-11-19T09:35:05 < zyp> I'm using another debugger to dev/debug F4 disco, because I'm tired of stlink
2012-11-19T09:35:29 < emeb_mac> stlink works fine w/ CooCox on Win7
2012-11-19T09:35:40 < emeb_mac> quick, reliable.
2012-11-19T09:37:15 < ds2> how do you power ur board?
2012-11-19T09:37:32 < ds2> they are saying the STLink on the discovery is fixed at 3.0V
2012-11-19T09:37:39 < ds2> or you just run ur board at 3.0V?
2012-11-19T09:37:58 < emeb_mac> I run my board from a separate supply.
2012-11-19T09:38:21 < emeb_mac> the stlink Vref pin is really kinda bogus.
2012-11-19T09:38:30 < emeb_mac> don't think it really does anything.
2012-11-19T09:38:37 < zyp> I never hooked it up
2012-11-19T09:38:47 < ds2> this is according to the ST folks
2012-11-19T09:38:52 < ds2> emeb_mac: is your board at 3.0V?
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2012-11-19T09:39:12 < emeb_mac> ds2: my board runs @ 3.3V
2012-11-19T09:39:15 < zyp> does the difference between 3.0 and 3.3V even matter?
2012-11-19T09:39:20 < jpa-> it does not
2012-11-19T09:39:25 < zyp> exactly
2012-11-19T09:39:29 < jpa-> if your board was running at 2.0V there might be a problem
2012-11-19T09:39:32 < ds2> Oh so 3.3V is close enough
2012-11-19T09:39:34 < ds2> gotcha
2012-11-19T09:39:54 < ds2> donno how sensitive it is. was hoping 1 diode drop is close enough
2012-11-19T09:39:55 < jpa-> even 2.8V should be ok, because the diode drop in input pins is probably atleast 0.2V
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2012-11-19T09:44:09 < emeb_mac> l8rs
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2012-11-19T09:47:38 < ds2> 'k
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2012-11-19T10:09:43 < dongs> attn baird / zyp http://www.japantoday.com/category/lifestyle/view/rent-a-girlfriend-service-offers-simulated-romance
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2012-11-19T10:17:27 < zyp> heh
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2012-11-19T10:23:48 < baird> Awesome. BAIRD, C.J: REQUISITES: NO BLONDES"
2012-11-19T10:27:03 < baird> Japanese girls are also -tiiinnnyy- .. For once, I'd like a girlfriend who wasn't like >6 inches shorter than me. :/
2012-11-19T10:34:03 < baird_rpi> Living The Dream-- I've now got an RPi 'permanently' on the living room 48@ TV, automatically starting up to a VT220 framebuffer terminal.
2012-11-19T10:34:32 < baird_rpi> (IRC, ssh, etc.)
2012-11-19T10:35:11 < zyp> one of the guys I went to japan with this summer just ordered an escort
2012-11-19T10:35:43 < dongs> in norway?
2012-11-19T10:36:07 < zyp> huh? in japan of course
2012-11-19T10:36:11 < dongs> o ok
2012-11-19T10:36:38 < zyp> «just» as in «simply», not «just now»
2012-11-19T10:37:09 < dongs> ive never tried it here.
2012-11-19T10:37:19 < dongs> though I made a mistake of hanging out in the wrong part of town after like 8pm
2012-11-19T10:37:23 < dongs> it was obvious who was "working"
2012-11-19T10:38:29 < zyp> I found the wrong part of Ikebukuro one time I took a walk after midnight
2012-11-19T10:38:47 < dongs> 20x16cm
2012-11-19T10:39:02 < dongs> hm weird
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2012-11-19T10:43:58 < baird> http://i.imgur.com/96PEv.jpg
2012-11-19T10:46:01 < cdh> Let's play, "who can spot the bug
2012-11-19T10:46:07 < cdh> http://pastebin.com/jLZ94GE4
2012-11-19T10:48:21 < dongs> is that libopencm3
2012-11-19T10:48:53 < cdh> Yeah.  The ISR vector is, but the code is mine.
2012-11-19T10:49:04 < dongs> that's the bug then :)
2012-11-19T10:49:09 < cdh> heh heh
2012-11-19T10:49:34 < dongs> i dont see anythingh obvious wihtout reading the RM for flags.
2012-11-19T10:52:07 < cdh> Adding a "dmb" immediately after the "uint32_t low  = TIM2_CNT" made the bug go away for non-ISR context code.  My USB ISR still hitting cases where the value returned is not monotonically increasing.
2012-11-19T10:52:12 < zyp> cdh, what's the problem?
2012-11-19T10:52:33 < cdh> TIM2 ISR priority is 1, USB ISR priority is 2.
2012-11-19T10:52:38 < dongs> oh
2012-11-19T10:52:55 < zyp> the only obvious bug I see is that it's not handling timer_hr_get() being called when the timer is wrapping
2012-11-19T10:53:10 < dongs> no, something else preempts shitw while its doing the 64bit add
2012-11-19T10:53:15 < dongs> and then values get wrong
2012-11-19T10:53:25 < dongs> TIM_CNT is higher or whatever
2012-11-19T10:53:29 < zyp> exactly
2012-11-19T10:54:13 < cdh> zyp - the "if (high != timer_high)" handles the wrap -- or should, anyway.
2012-11-19T10:54:40 < zyp> is timer_high declared volatile?
2012-11-19T10:55:09 < cdh> Yep, timer_high is volatile.  I disassembled the code, and although it's totally stupid what gcc did, the order looks correct.
2012-11-19T10:55:24 < zyp> totally stupid?
2012-11-19T10:56:50 < cdh> zyp - http://pastebin.com/0vJm84nM
2012-11-19T10:57:48 < zyp> how's that stupid? looks pretty much like what I would expect gcc to do
2012-11-19T10:57:51 < cdh> dongs - only thing I can think of is USB interrupt is somehow pre-empting timer, and that would hose it up.
2012-11-19T10:58:11 < zyp> same priority group?
2012-11-19T10:59:33 < zyp> but even still, the timer should not be able to wrap twice
2012-11-19T11:00:14 < cdh> zyp - Dunno - is that different than the priority level?  timer priority is 1 and USB priority is 2.
2012-11-19T11:00:57 < zyp> the group granularity is configurable
2012-11-19T11:01:11 < zyp> hmm, ah
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2012-11-19T11:01:50 < zyp> because you rely on timer_high to increment at the same time that TIM2_CNT wraps
2012-11-19T11:02:24 < zyp> which is not true if the timer ISR is not allowed to preempt and increment
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2012-11-19T11:03:21 < zyp> and without the barrier you can still have a pending read in the pipeline that executes before the ISR is started
2012-11-19T11:07:07 < cdh> zyp - the barrier totally makes sense (which is why I added it).  I couldn't find a match for group and interrupt in the STM32F4 reference manual.  I'll set up a test tomorrow to catch USB pre-empting the timer ISR.
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2012-11-19T11:13:48 < dongs> BREAKING NEWS: John McAfee and Hans Reiser founding new startup to build killer app that will bury the competition
2012-11-19T11:14:43 < baird> You totally stole that from someone else.
2012-11-19T11:15:57 < dongs> yea, retweeting from another channel, sorry.
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2012-11-19T11:39:32 < dongs> 15mm bezel
2012-11-19T11:39:39 < dongs> on the monitor case.
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2012-11-19T11:52:29 < zyp> cdh, it's not in the STM32F4 reference manual, it's a part of the generic cortex-m specification
2012-11-19T11:52:34 < zyp> check the cortex-m4 manual
2012-11-19T11:58:02 < cdh> Thanks zyp.  I'm on it.  I'll try switching to the ST-Micro NVIC_init() from libopencm3 nvic_enable_irq() since none of this exists in libopencm3.
2012-11-19T11:59:13 < jpa-> there is also STM32F4 Cortex-M4 programming manual, which does include this stuff
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2012-11-19T12:02:13 < cdh> Thanks jpa.  That's what I have open.
2012-11-19T12:04:06 < zyp> that's the one I was referring to
2012-11-19T12:06:08 < karlp> cdh: what's missing in ocm3?
2012-11-19T12:06:14 < karlp> irq grouping stuff?
2012-11-19T12:06:58 < dongs> freescale shipped my accels
2012-11-19T12:07:04 < dongs> a week ahead of schedule
2012-11-19T12:13:06 < cdh> karip - just trying to get my interrupts to fire with the correct priority.  I don't care so much about grouping.  Just need to make sure my timer ISR has the highest priority.
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2012-11-19T12:18:46 < karlp> "void nvic_set_priority(u8 irqn, u8 priority)" doesn't work for you?
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2012-11-19T12:27:19 < cdh> karip -- it appears I was using nvic_set_priority() incorrectly.  According to the M4 programming manual, bits [3:0] are ignored.  I needed to pass values such as 0x10 and 0x20 as the priority values for my ISRs.
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2012-11-19T12:30:02 < Pyrofer> hello.
2012-11-19T12:33:43 < cdh> The definition of NVIC_IPRx appears to be the same for F1 and F2 as for F4.  This means to me that the libopencm3 examples for rtc, usart, timer, rtc, and can all end up with the same priority.
2012-11-19T12:35:40 < zyp> yes, interrupt priority grouping is the same on cortex-m3 and cortex-m4
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2012-11-19T12:48:44 < Laurenceb_> http://www.theregister.co.uk/2012/11/19/lohan_spears/
2012-11-19T12:48:45 < Laurenceb_> omg
2012-11-19T12:48:58 < Laurenceb_> look how fast they work, thats amazing
2012-11-19T12:49:14 <+Steffanx> blaxter ratio ++ :P
2012-11-19T12:57:08 < Pyrofer> Is Dongs about?
2012-11-19T12:59:16 < jpa-> note to self: overclocking ADC decreases its accuracy
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2012-11-19T13:18:18 <+Steffanx> Thanks for the info jpa- :)
2012-11-19T13:41:47 < jpa-> hmm, the sample time formula doesn't like me
2012-11-19T13:43:01 < jpa-> maybe because i'm writing in smpr1 the data meant for smpr2
2012-11-19T13:44:07 <+Steffanx> maybe
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2012-11-19T13:59:51 <+dekar_> jpa-, how fast does it go?
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2012-11-19T14:03:05 < jpa-> dekar_: i was running it at 42MHz when maximum is 30MHz; increased the error somewhat, though part of it may be because my sample time was wrong
2012-11-19T14:06:26 <+dekar_> using all ADCs interleaved?
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2012-11-19T14:15:41 < jpa-> dekar_: nah, i mean the ADC clock frequency
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2012-11-19T14:34:19 < Laurenceb> lolwtf
2012-11-19T14:34:43 < dongs> wat
2012-11-19T14:34:47 < Laurenceb> someone wants me to test "spicylips"
2012-11-19T14:35:04 < Laurenceb> "We need some help in imaging before and after applying a product to the lips. It is a little bit spicy but is sold over the counter"
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2012-11-19T14:36:23 < zyp> first time Laurenceb's lips ever got any attention
2012-11-19T14:36:33 < Laurenceb> lol
2012-11-19T14:37:06 < dongs> haha
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2012-11-19T15:30:15 < Laurenceb> http://www.subgenius.com/bigfist/FIST2002-1/Movies-TV-Books/X0029_The_lamest_Tolkien_f.html
2012-11-19T15:30:26 < Laurenceb> lol
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2012-11-19T15:33:23 < Laurenceb> From: duke0uke <osama@bin.laden.org>
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2012-11-19T15:44:30 < baird> lol, modemac is an old APANA guy who I haven't heard from in a l o n g time..
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2012-11-19T16:18:38 < jpa-> ah, stupid bug stole 1 hour
2012-11-19T16:20:31 < jpa-> set timer CCMR to PWM1, the output signal went high event though timer is disabled => ADC activated, but because DMA was still off, it overran and went into error mode
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2012-11-19T16:34:59 < zyp> heh, my stellaris boards apparently got delayed in customs
2012-11-19T16:35:02 < zyp> «Goods are subject to regulatory review.»
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2012-11-19T16:50:08 < dongs> uh oh
2012-11-19T16:50:15 < dongs> they're too fast for your customs
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2012-11-19T18:38:07 < emeb> hi
2012-11-19T18:44:03 < jpa-> hello
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2012-11-19T19:11:09 < Laurenceb> http://www.downloads.reactivemicro.com/Public/Users/Henry_Courbis/Pics/People_Pics/Jeri%20Ellsworth%20%20-%20C1%20Chick%20-%20KFEST%202006.jpg
2012-11-19T19:11:10 < Laurenceb> what nerds fap to
2012-11-19T19:12:02 <+Steffanx> Where's baird when you need his talk about her?
2012-11-19T19:12:05 <+Steffanx> or dongs?
2012-11-19T19:15:56 < emeb> baird & dongs have "issues" w/ JE?
2012-11-19T19:20:27 < Laurenceb> s/issues/sticky monitors
2012-11-19T19:21:36 -!- barthess [~barthess@5.100.203.55] has joined ##stm32
2012-11-19T19:22:10 <+Steffanx> I remember one of the two ranting about here emeb
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2012-11-19T19:22:13 <+Steffanx> -e
2012-11-19T19:22:40 < emeb> just another nerd.
2012-11-19T19:23:22 <+Steffanx> Free speech blabla :)
2012-11-19T19:25:41 <+Steffanx> It had something to do with stealing ideas and doing nothing original and claiming it was her idea, or whatever :)
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2012-11-19T19:30:33 < emeb> :-/ very few original ideas in this world...
2012-11-19T19:30:42 < emeb> what counts is execution.
2012-11-19T19:30:59 <+Steffanx> dont remember the details
2012-11-19T19:31:00 < BrainDamage> well, if it's really original, it counts too
2012-11-19T19:31:32 < emeb> ideally. but in practice not so much.
2012-11-19T19:36:41 < zyp> hmm, which of the F3s were pin compatible with F1?
2012-11-19T19:37:21 <+Steffanx> Laurenceb knows
2012-11-19T19:37:42 < zyp> apparently F37x doesn't have CCM, F30x does
2012-11-19T19:38:48 < Laurenceb> F303
2012-11-19T19:38:58 < Laurenceb> is F1 compatible, also F302
2012-11-19T19:39:40 < Laurenceb> bbl
2012-11-19T19:40:16 < zyp> I was about to write linker scripts for F3, but there seems to be so many permutations of flash, ram and ccm size across the stm32 range that I'm almost tempted to generate them from a table instead
2012-11-19T19:46:47 < emeb> zyp: what's the best way to get v4.7 of gcc arm-none-eabi on a linux system?
2012-11-19T19:47:51 < zyp> unsure
2012-11-19T19:48:34 < zyp> I'm just using OS X myself, with yagarto
2012-11-19T19:49:15 < zyp> one of my friends used the yagarto build scripts to build it for linux, but I think there was some hassles involved with that
2012-11-19T19:49:39 < zyp> so you might have a better experience with some of the other scripts targetting linux
2012-11-19T19:49:45 < emeb> hmmm.
2012-11-19T19:50:36 < emeb> I got the yagarto build on my mac as well, but still w/ 4.6 on linux.
2012-11-19T19:51:29 < zyp> thinking about using my stuff, or do you need 4.7 for something else?
2012-11-19T19:51:35 < emeb> both
2012-11-19T19:51:36 < cdh> Looks like summon-arm-toolchain is still at gcc 4.5.2 -- that's what I used on Linux.
2012-11-19T19:52:22 < emeb> did some disassembly of 4.7 output on the mac and it handles DSP stuff better than 4.6
2012-11-19T19:52:41 < emeb> so I'd like to benchmark that and see if it improves performance on my FIRs
2012-11-19T19:52:48 < zyp> I suspect that my stuff might build with 4.6 with -std=c++0x instead of -std=c++11, since 4.6 doesn't recognize the latter
2012-11-19T19:53:11 < emeb> worth a shot.
2012-11-19T19:53:23 < zyp> I read over the list of when features got added, and I'm not sure I'm actually using any of the features added in 4.7
2012-11-19T19:53:32 < zyp> yet.
2012-11-19T19:55:00 < emeb> looks like there's a pkg for ubuntu.
2012-11-19T19:55:25 < emeb> but since my main machine is fedora I'll probably have to build from source.
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2012-11-19T19:56:47 < zyp> hum, my F1 linker scripts are wrong
2012-11-19T19:56:52 < emeb> oh look - the rpi folks have that covered: http://www.bootc.net/archives/2012/05/26/how-to-build-a-cross-compiler-for-your-raspberry-pi/
2012-11-19T19:58:58 < zyp> remember that you probably want a multilib toolchain
2012-11-19T20:03:09 -!- claude is now known as Claude
2012-11-19T20:10:32 < zyp> uh, running git reset in the wrong repository is not recommended.
2012-11-19T20:10:42 < emeb> oops
2012-11-19T20:11:19 < zyp> no harm done, except for making me feel dumb
2012-11-19T20:14:10 < jpa-> doing git rebase -i atop a commit from a different branch also has some fun results
2012-11-19T20:19:17 < zyp> cleaning up branches feels good
2012-11-19T20:19:58 < zyp> merged F3 support to master and removed some older obsolete ones
2012-11-19T20:21:10 < zyp> now I only have two left, some HS USB stuff, and some stuff I'm going to use when I rewrite the threading/scheduling later
2012-11-19T20:24:33 < jpa-> how well does your F4 usb work nowadays?
2012-11-19T20:25:39 < zyp> about as well as it did weeks ago, I haven't touched the code lately
2012-11-19T20:25:48 < jpa-> ok :)
2012-11-19T20:26:15 < jpa-> seems quite common, the nuttx version is also "it worked in spring to some extend; hasn't been touched since"
2012-11-19T20:26:27 < zyp> ha :p
2012-11-19T20:27:10 < jpa-> well until i started my bug hunting.. which i also haven't touched in a few weeks :D
2012-11-19T20:27:43 < jpa-> i'll have to try if a logic analyzer + sigrok will serve as a makeshift usb analyzer
2012-11-19T20:28:23 < zyp> well, I think both the usb audio and acm echo code is working
2012-11-19T20:29:31 < zyp> after that I started on testing HS with external phy, and when I was working on that I found a problem with some other code and got off track solving that
2012-11-19T20:31:14 < zyp> usb mass storage and sdio drivers for an sd card reader demo is on the list of stuff I'm hoping to do soon
2012-11-19T20:32:03 < zyp> which should be an excellent test case for both FS and HS USB
2012-11-19T20:33:12 < jpa-> indeed
2012-11-19T20:34:11 < zyp> just generating activity on a sd card through mass storage should generate a bunch of diverse usb activity that would weed out issues in my usb stack
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2012-11-19T20:40:04 < zyp> the hard part about mass storage is that I need to read up on both scsi and sd commands, and I'm not sure what to do first :p
2012-11-19T20:41:12 < zyp> the usb to scsi part is pretty simple, scsi to block api is a bit more work, and block api to sd likewise
2012-11-19T20:41:33 < Claude> zyp , is that a rtos you are workin on ?
2012-11-19T20:41:50 < jpa-> block api to sd shouldn't be that hard, though SDIO is probably some work
2012-11-19T20:41:51 < zyp> you can probably call it that
2012-11-19T20:41:59 < Claude> nuttx ?
2012-11-19T20:42:04 < zyp> no
2012-11-19T20:42:07 < zyp> I call it laks
2012-11-19T20:42:17 < zyp> http://cgit.jvnv.net/laks/tree/
2012-11-19T20:42:27 < jpa-> nuttx is a totally different rtos that i'm using in a project
2012-11-19T20:43:02 < Claude> ah ok
2012-11-19T20:43:09 < zyp> laks is a toy project of mine
2012-11-19T20:43:34 < jpa-> laks is the cleanest and nicest hardware abstraction layer in existence
2012-11-19T20:44:33 < Claude> bookmarked it :)
2012-11-19T20:46:42 < zyp> it's sort of usable, but hardly mature enough that I would recommend it for anyone :p
2012-11-19T20:46:53 < zyp> everyone*
2012-11-19T20:51:49 < zyp> I would love feedback from other perspectives, but I'm not going to make any promises I'm not sure I'm going to hold in order to appeal to potential users
2012-11-19T20:52:21 < jpa-> that's a good principle
2012-11-19T20:53:20 < jpa-> i hate it that nuttx makes it seem that it has everything "look here is a stm32f4 usb driver" when really it's a buggy half-working draft
2012-11-19T20:54:01 < Claude> hmm okay , yeah well was reading usb hs/fs. some time ago i tried to get some usb serial converter (silabs) running on the st supplied F4 usb host stack but gave up ... do you know of any alternative host stack?
2012-11-19T20:55:53 < jpa-> chibios driver for F4 apparently works ok
2012-11-19T20:56:03 < zyp> host?
2012-11-19T20:56:05 < zyp> or device?
2012-11-19T20:56:10 < jpa-> ah, device only
2012-11-19T20:56:14 < jpa-> missed that
2012-11-19T20:56:41 < zyp> I haven't seen any alternative host stack targetting stm32 specifically
2012-11-19T20:57:42 < zyp> but since the dwc_otg core is used elsewhere, it can probably be ported from another stack supporting dwc_otg
2012-11-19T20:57:53 < jpa-> nuttx has a usb otgfs host driver also, but i wouldn't expect it to work
2012-11-19T21:00:06 < Claude> host , iirc i had trouble getting vendor specific command working with the st stack
2012-11-19T21:01:12 < zyp> I'm pretty sure my freebsd guy would suggest porting the relevant parts of the usb stack from freebsd :p
2012-11-19T21:01:25 < zyp> I think it's supposed to be small enough for embedded use
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2012-11-19T21:02:39 < zyp> and I know it supports dwc_otg since he borrowed my rpi to work on the driver for it :p
2012-11-19T21:02:51 < zyp> (rpi is also using dwc_otg)
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2012-11-19T21:15:05 < emeb> w00t - FSMC + 512k x 16 PSRAM works.
2012-11-19T21:15:46 < ds2> congrats
2012-11-19T21:16:23 < zyp> :)
2012-11-19T21:16:26 < zyp> which board?
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2012-11-19T21:17:07 < emeb> zyp: this is on an audio delay product I'm doing for a client.
2012-11-19T21:17:19 < zyp> ah
2012-11-19T21:21:32 < emeb> 2M x 16 PSRAM in BGA doesn't seem to work though...
2012-11-19T21:22:12 < zyp> data corruption?
2012-11-19T21:22:28 < emeb> hard to say - system sounds like it's reset cycling.
2012-11-19T21:22:34 < emeb> need to scope it out.
2012-11-19T21:24:34 < Tectu> hmm... I am never quite sure if I should use #defines or enums for flags...
2012-11-19T21:24:40 < ds2> it doesn't? HMmmm
2012-11-19T21:24:54 < ds2> emeb: are they both MT parts?
2012-11-19T21:25:12 < zyp> Tectu, ask yourself «is there any advantage of using defines?»
2012-11-19T21:25:22 < zyp> if you can't come up with any, don't use defines.
2012-11-19T21:25:31 < emeb> ds2: the 512k part is an ISSI in TSSOP
2012-11-19T21:25:40 < emeb> the 2M part is a Micron in BGA
2012-11-19T21:25:41 < ds2> zyp: code offucscation and job security count as advantages?
2012-11-19T21:25:54 < ds2> emeb: oh crap... the ST EVB's use ISSI parts
2012-11-19T21:26:13 < emeb> ds2: what's wrong with that? the ISSI part is the one that works.
2012-11-19T21:26:17 < ds2> but the ISSI parts don't have self temperature compenstation
2012-11-19T21:26:22 < Tectu> thanks zyp
2012-11-19T21:26:25 < ds2> emeb: I am forced to use a MT part on my board :(
2012-11-19T21:26:53 < emeb> ds2: didn't realize that PSRAM needed tempco - what's that about?
2012-11-19T21:27:02 < ds2> emeb: that is a power management option
2012-11-19T21:27:03 < zyp> manufacturer shouldn't matter, isn't the interface to them pretty damn simple either way?
2012-11-19T21:27:19 < ds2> higher temp == more refresh needed. so you can turn down your refresh rate when it gets colder
2012-11-19T21:27:27 < emeb> aha.
2012-11-19T21:27:33 < ds2> zyp: there are slight option and voltage differences :(
2012-11-19T21:27:49 < ds2> refresh is the primary power burner when you are idle hence the importance of that
2012-11-19T21:28:05 < ds2> emeb: do you have ur own code or are you using ST's EVB code?
2012-11-19T21:28:22 < HTT-Bird> at those densities, what's the advantage of PSRAM over actual SRAM?
2012-11-19T21:28:31 < emeb> ds2: this is my own app but I snagged the FSMC setup code from the ST example.
2012-11-19T21:28:41 < ds2> HTT-Bird: try pricing 8 megabyte of SRAM
2012-11-19T21:28:54 < HTT-Bird> heh.
2012-11-19T21:28:55 < emeb> HTT-Bird: price
2012-11-19T21:29:04 < ds2> emeb: hmmm I wonder the micron part requires more init
2012-11-19T21:29:16 < ds2> emeb: what does this board do with the ZZ line?
2012-11-19T21:29:28 < ds2> ST floats their ZZ line
2012-11-19T21:29:42 < emeb> ds2: good point on ZZ - it's hooked to a GPIO but I'm not managing it yet. Need to check.
2012-11-19T21:29:49 < ds2> Oooh
2012-11-19T21:29:54 < ds2> that can cause it to behave very wierd
2012-11-19T21:30:04 < ds2> it wants different things based on ZZ
2012-11-19T21:31:28 < emeb> Yeah - looks like I need to pull ZZ high for default operation.
2012-11-19T21:34:31 < emeb> damn - looks like the guy who did the schematic forgot to hook up ZZ.
2012-11-19T21:34:58 < emeb> maybe I can pull it up with a resistor scabbed on the board...
2012-11-19T21:35:44 < ds2> but they did bring that ball out?
2012-11-19T21:35:59 < ds2> apparently the ISSI part don't care about ZZ (ST doesn't hook it up on the EVB)
2012-11-19T21:36:48 < emeb> ds2: memories are on a daughter card. ZZ is hooked up on the daughter card, but not on the main board.
2012-11-19T21:37:42 < ds2> Ohhh
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2012-11-19T21:37:48 < ds2> lucky
2012-11-19T21:37:59 < emeb> yeah.
2012-11-19T21:38:35  * emeb warms up soldering iron, digs out leaded 10k resistor...
2012-11-19T21:41:12 < emeb> OK that sorta worked.
2012-11-19T21:41:30 < emeb> audio data is getting in/out of the Micron PSRAM, but it's very noisy.
2012-11-19T21:41:43 < emeb> I may have to change the bus timing configuration.
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2012-11-19T21:47:11 < ds2> what kind of audio is it?
2012-11-19T21:47:32 < emeb> this is for a modular synthesizer, so it's pretty much anything.
2012-11-19T21:47:52 < zyp> «very noisy» - maybe it's working and just playing dubstep
2012-11-19T21:47:54 < emeb> OK - stretching out all the bus timing by one cycle has it working clean.
2012-11-19T21:48:08 < emeb> zyp: :D
2012-11-19T21:48:31 < emeb> a lot of folks making that sort of music buy these systems. maybe that's not a bug but a feature!
2012-11-19T21:48:36 <+Steffanx> zyp, he said music
2012-11-19T21:48:42 <+Steffanx> oh, no :)
2012-11-19T21:48:50  * emeb doesn't judge...   much.
2012-11-19T21:48:50 < zyp> a lot of people claim dumbstep is music
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2012-11-19T21:49:23 < ds2> I mean I2S or PWM or ?
2012-11-19T21:49:31 < emeb> ds2: this is all I2S
2012-11-19T21:49:36 < zyp> emeb, I don't really care either, as long as I don't have to listen to it :)
2012-11-19T21:49:42 < emeb> thru a Wolfson codec.
2012-11-19T21:49:56 < emeb> zyp: pretty much my sentiments too. I'm more of an IDM guy.
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2012-11-19T21:51:31 < ds2> oh DMA would be involved...
2012-11-19T21:51:38 < zyp> though, the periodic noise that my usb audio stuff makes (ringbuffer collision) is far more pleasant to my ears than the dubstep I've heard are :p
2012-11-19T21:52:21 < zyp> maybe I should try fixing that some day
2012-11-19T21:52:48 < zyp> usb apparently has some sync stuff that I might be able to use to control the rate the host sends data
2012-11-19T21:53:50 < zyp> throttling the host when my buffer is filling up should be much more sane than dropping samples, at least
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2012-11-19T21:54:09 < LongChair> hello everyone :)
2012-11-19T21:55:45 < LongChair> I am having a strange behavious with arm gcc, when i try to use the vsprintf function in my code, i get some strange behaviour on some other variables
2012-11-19T21:57:06 < LongChair> for instance i have volatile int *DWT_CYCL = 0x0e0000001;
2012-11-19T21:57:49 < LongChair> if i use somewhere else vsprintf function, the adress is changed to 1 at debug time
2012-11-19T21:58:21 < LongChair> i guess something is going wrong with libc but not sure what to look at
2012-11-19T21:58:44 < zyp> first guess: heap is located at the wrong addr and is overwriting global memory
2012-11-19T21:59:03 < jpa-> other guesses: your stack is overflowing, or you are overwriting a buffer
2012-11-19T21:59:57 < zyp> the overwriting buffer one is too obvious, and stack overflowing is a bit unlikely in a small program :p
2012-11-19T22:00:04 < jpa-> i would first check the address of DWT_CYCL, then use "display /i $pc" and "si" in gdb to go instruction-by-instruction until you see where it is overwritten
2012-11-19T22:00:13 < jpa-> watchpoints might work also :P
2012-11-19T22:00:49 < LongChair> i had a 2048 bytes stack which looks very nice for that kind of application
2012-11-19T22:00:52 < jpa-> zyp: but vsprintf using heap is a bit unlikely also; IIRC even the newlib one only does that with floats
2012-11-19T22:01:12 < zyp> good point
2012-11-19T22:02:25 < LongChair> the wierd thing is that i did not use vsprintf yet when i have the issue
2012-11-19T22:02:50 < LongChair> it´s more like compiling with the instruction in the code that will make an issue
2012-11-19T22:03:39 < LongChair> if i comment out the vsprintf line and recompile, i dnt´t get the issue
2012-11-19T22:04:25 < LongChair> the intsruction using the dwt_cycl is almost in the first line of code
2012-11-19T22:05:02 < cdh> LongChair - where'd you get your .ld script?
2012-11-19T22:05:20 < LongChair> from a sample somewhere
2012-11-19T22:05:38 < emeb> ds2: played around with the FSMC bus timing parameters for the Micron PSRAM - looks like it just needed an extra cycle of data setup.
2012-11-19T22:05:52 < emeb> all other parameters were OK with the same timing as for the ISSI part.
2012-11-19T22:06:05 < LongChair> cańt recall which, it´s made of 3 linker files stm32.ld stm32common.h and another file
2012-11-19T22:06:25 < cdh> Did you get it from libopencm3?
2012-11-19T22:06:38 < LongChair> i dont think so
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2012-11-19T22:07:30 < LongChair> i thinks someone n this channel pointed out a sample as i was looking for linker scripts
2012-11-19T22:07:49 < LongChair> worked fine until i tried to use vsprintf
2012-11-19T22:08:16 < cdh> Can you pastebin your linker script?
2012-11-19T22:08:30 < LongChair> sure gimme 2 mins
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2012-11-19T22:10:49 < emeb> wonder if Mango IRC runs on a mangoboard.
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2012-11-19T22:11:19 < LongChair> so 'ill post 3 links for the 3 linker scripts
2012-11-19T22:12:18 < LongChair> main script : http://pastebin.com/KejMAYzK
2012-11-19T22:13:31 < LongChair> second file "stm32common.h" : http://pastebin.com/UBtk6Fve
2012-11-19T22:14:26 < LongChair> and stm32sec_flash.h : http://pastebin.com/dhK9yr7z
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2012-11-19T22:17:49 < LongChair> i am not sure if there are reference linker scripts somewhere other than these :)
2012-11-19T22:18:08 < cdh> LongChair - I had an issue before similar to what you are having.  It was caused by _etext not being 8-byte aligned (which came from libopencm3), causing the copy of initialized data from flash to SRAM to not be copied from the correct address.
2012-11-19T22:18:44 < LongChair> to be honnest these linker file are not so clear to me :)
2012-11-19T22:19:07 < cdh> This broke only some stdio functions, and not every time I changed code and recompiled, since sometimes _etext ended up being 8-byte aligned.
2012-11-19T22:19:32 < cdh> The fix was to change "_etext = .;" to "_etext = ALIGN(8);"
2012-11-19T22:20:09 < cdh> I see you've got a ". = ALIGN(8);" immediately before the "_etext = .;" so this might not be your issue.
2012-11-19T22:20:51 < LongChair> ok
2012-11-19T22:21:17 < LongChair> this is probably something similar
2012-11-19T22:21:49 < LongChair> because the variable which is overwritten is overwritten almost since the very beginning
2012-11-19T22:21:50 < cdh> I suggest you set a breakpoint in your init routine to check the copy-from and copy-to addresses to be sure the data being copied makes sense.  The gcc map file output will help.
2012-11-19T22:23:21 < LongChair> well i'm not sure that I'll be able to judge what will make sense or not, but i'll try :)
2012-11-19T22:24:05 < LongChair> just in case I cannot figure out, would there be any reliable linker scripts to retrieve somewhere ? :)
2012-11-19T22:24:54 < LongChair> I have been using keil up to now and i didn't have to mess with linker scripts ... but i hit the 32k limit, thus had to move to gcc
2012-11-19T22:25:36 < LongChair> but i haven't been able to find nice gcc linker scripts for common chips like STM32F1 etc ...
2012-11-19T22:28:16 < zyp> hmm, the USB stack on OS X is not the best for debugging devices
2012-11-19T22:28:25 < cdh> I have an F4 linker script which works and isn't very large, but it has a bunch of custom crap in it that would just add confusion.
2012-11-19T22:28:42 < zyp> it's just silently ignoring devices when it can't make sense of the descriptors
2012-11-19T22:29:38 < emeb> heh - 1M samples @ 48kHz = 22seconds delay. That's a lot of delay.
2012-11-19T22:29:45 < zyp> :p
2012-11-19T22:29:57 <+Steffanx> Also when you use the debug version of the usb stuff zyp ?
2012-11-19T22:30:19 <+Steffanx> I mean the debug version of the kext
2012-11-19T22:31:17 <+Steffanx> I used that to debug something once, but it was too much information to get something useful :)
2012-11-19T22:31:33 < zyp> Steffanx, hmm, no
2012-11-19T22:34:03 < zyp> heh, mass storage is the simplest class in terms of descriptors that I've seen
2012-11-19T22:36:00 < zyp> now with correct descriptors I get some more action
2012-11-19T22:37:30 <+Steffanx> So you really use the usbprober? :)
2012-11-19T22:40:26 < zyp> no?
2012-11-19T22:40:32 < zyp> IOUSBMassStorageClass[0xffffff804bf59c00]: The device is still unresponsive after 6 consecutive USB Device Resets; it will be terminated.
2012-11-19T22:40:39 < zyp> (in dmesg)
2012-11-19T22:41:52 <+Steffanx> Hmm, sure that gives you the same info as the using the usbprobe® at level 7?
2012-11-19T22:42:11 < zyp> I don't really care about that, I'm running it through the beagle anyway
2012-11-19T22:42:54 <+Steffanx> ok whatever
2012-11-19T22:42:57 < zyp> http://bin.jvnv.net/f/DjrVL.png
2012-11-19T22:45:06 <+Steffanx> You said "Steffanx, hmm, no".. so you cared :)
2012-11-19T22:46:07 < zyp> the hmm-part was me realizing that there are debug kexts
2012-11-19T22:46:11 < zyp> I weren't aware of that
2012-11-19T22:47:02 <+Steffanx> okok
2012-11-19T22:49:59 < emeb> zyp: trying to compile laks-demo w/ 4.6: works up to the final link and I get this: http://pastebin.com/r4rY9YWu
2012-11-19T22:50:04 < jpa-> the debug versions may prove useful at some point
2012-11-19T22:50:18 < emeb> (w/ your suggested change to c++0x)
2012-11-19T22:50:25 < jpa-> sometimes it's a pain to figure out why the host thinks your response is wrong
2012-11-19T22:50:51 < zyp> emeb, ah, it's just your multilib missing hardfloat
2012-11-19T22:51:14 < jpa-> or maybe a missing -mvfpu or something
2012-11-19T22:51:22 < zyp> I suggest turning off floating point completely, it's not working anyway
2012-11-19T22:51:31 < jpa-> launchpad arm 2012q2 should have hardfloat multilib
2012-11-19T22:51:37 < zyp> (I'm never enabling fpu in the code)
2012-11-19T22:51:46 -!- Claude is now known as claude
2012-11-19T22:52:17 < emeb> zyp: ok - so that's just tweaking the c flags a bit...
2012-11-19T22:53:33 < zyp> hmm, wtf
2012-11-19T22:53:47 < emeb> zyp: what's the scons equiv of "make clean"?
2012-11-19T22:53:51 < zyp> scons -c
2012-11-19T22:54:22 < zyp> it's implicit and cleans all generated targets
2012-11-19T22:54:44 < zyp> apparently I were asleep when I wrote some of the stuff in build_rules
2012-11-19T22:55:07 < zyp> select_arm() got a variable called has_mcu, it was supposed to be has_fpu :p
2012-11-19T22:55:18 < jpa-> my arm doesn't have an mcu :)
2012-11-19T22:55:27 < zyp> just force it to False and it should build without fpu support
2012-11-19T22:57:24 < emeb> I just deleted the -mhard-float from linker flags and also the condition to add it for cortex m4. appears to have compiled
2012-11-19T22:57:56 < zyp> right, so I'm not actually using any 4.7 features yet
2012-11-19T23:00:56 < emeb> hmm - new binary didn't enumerate.
2012-11-19T23:01:50 < zyp> remember that current laks is hardcoded to 8MHz HSE
2012-11-19T23:02:09 < emeb> Ah yes. You tweaked it for 12 in the binary you sent me
2012-11-19T23:02:16 < emeb> where is that in laks-demo?
2012-11-19T23:02:26 < zyp> laks/rcc/rcc.cpp
2012-11-19T23:02:36 < zyp> line 15
2012-11-19T23:04:41 < emeb> oh fun - figuring out bitfields.
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2012-11-19T23:04:45 < zyp> change 0x1d0000 to 0x110000
2012-11-19T23:05:36 < zyp> hmm
2012-11-19T23:06:23 < emeb> no joy.
2012-11-19T23:06:29 < emeb> still stuck in hardfault.
2012-11-19T23:06:47 < zyp> how did it end up in hardfault?
2012-11-19T23:07:10 < emeb> ??
2012-11-19T23:07:29 < zyp> maybe your multilib is very confused and linked in arm mode code?
2012-11-19T23:07:49 < zyp> not that it should link in anything, I'm not calling any libc functions
2012-11-19T23:08:57 < zyp> well, from your paste it seems to pull inn armv7e-m version, so that much is correct
2012-11-19T23:09:10 < zyp> of memcpy, which is probably implicitly called
2012-11-19T23:09:37 < emeb> ok - I'll check.
2012-11-19T23:11:32 < zyp> well, if it's hardfaulting, it's probably wise to start by checking SCB.CFSR
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2012-11-19T23:27:49 < LongChair> is there any issue with vsprintf function in arm gcc ?
2012-11-19T23:28:17 < zyp> shouldn't be.
2012-11-19T23:29:33 < LongChair> i don't get it
2012-11-19T23:29:46 < LongChair> using it will create wierd behaviours :)
2012-11-19T23:30:18 < zyp> there is always a reason somewhere
2012-11-19T23:30:19 < LongChair> or maybe it's linked to using variable parameters functions ..
2012-11-19T23:30:25 < zyp> take it as debugging exercise
2012-11-19T23:30:30 < LongChair> i agree on that statement :)
2012-11-19T23:31:49 < LongChair> by the way ... about the newlin stubs like _sbrk
2012-11-19T23:33:02 < LongChair> I had to add one
2012-11-19T23:34:27 < LongChair> is there also some reference stubs ?
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2012-11-19T23:45:02 <+dekar_> LongChair, I have implemented some for my TNT example: https://github.com/EliasOenal/TNT_Example/blob/master/syscalls.c
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2012-11-19T23:49:44 < LongChair> thanks
2012-11-19T23:50:11 < LongChair> any chance you have a matching linker script ? :)
--- Day changed Tue Nov 20 2012
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2012-11-20T00:33:02 < Laurenceb_> https://olimex.files.wordpress.com/2012/11/mj.jpg?w=487
2012-11-20T00:47:16 < zyp> emeb, did you figure out anything?
2012-11-20T00:47:25 < emeb> zyp:  working it now.
2012-11-20T00:47:38 < emeb> fell back to the binary you sent last week - still worked.
2012-11-20T00:47:47 < emeb> trying again.
2012-11-20T00:48:06 < emeb> need to decode the scb.cfsr
2012-11-20T00:48:38 < zyp> http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0553a/Cihcfefj.html
2012-11-20T00:50:49 < emeb> now getting this: Program received signal SIGSEGV, Segmentation fault.
2012-11-20T00:50:49 < emeb> flash_init () at laks/rcc/flash.cpp:14
2012-11-20T00:51:24 < zyp> ah
2012-11-20T00:51:27 < emeb>  which is "while(FLASH.ACR != 0x105);"
2012-11-20T00:52:26 < zyp> look at the disassembly for it
2012-11-20T00:52:28 < emeb> is that an illegal address on the F373?
2012-11-20T00:52:32 < zyp> no
2012-11-20T00:53:07 < emeb>    0x08002182 <+18>:    bne.n   0x800217e <flash_init()+14>
2012-11-20T00:53:08 < zyp> flash_init() is called from rcc_init() which is called before .data and .bss segments are set up
2012-11-20T00:53:28 < zyp> your compiler is likely accessing some global variables, for some reason
2012-11-20T00:53:45 < zyp> maybe storing the FLASH addr in .data
2012-11-20T00:54:27 < emeb> oh
2012-11-20T00:54:53 < zyp> a quick fix would be opening startup/entry.cpp and moving rcc_init() from the top of the function and down until right before main() is called
2012-11-20T00:54:58 < emeb> http://pastebin.com/ZnPuQqzh
2012-11-20T00:55:15 < emeb> OK - I'll try that.
2012-11-20T00:55:17 < Laurenceb_> emeb: 373?
2012-11-20T00:55:23 < Laurenceb_> whered you get that from?
2012-11-20T00:55:42 < Laurenceb_> on a custom pcb?
2012-11-20T00:56:25 < zyp> look at Laurenceb_ getting all jealous :)
2012-11-20T00:56:43 < Laurenceb_> hehe
2012-11-20T00:57:01 < zyp> didn't you see his simple breakout for it?
2012-11-20T00:57:05 < Laurenceb_> must. have. adc. benchmarks
2012-11-20T00:57:09 < zyp> so yes, custom pcb
2012-11-20T00:57:38 < emeb> Laurenceb_: see here-> http://ebrombaugh.studionebula.com/embedded/stm32f373breakout/index.html
2012-11-20T00:58:01 < Laurenceb_> very pretty :P
2012-11-20T00:58:18 < Laurenceb_> and with dfu you can flash over the usb
2012-11-20T00:58:27 < emeb> I wish.
2012-11-20T00:58:29 < Laurenceb_> i see a hair
2012-11-20T00:58:34 < Laurenceb_> its built in
2012-11-20T00:58:35 < emeb> damn cats
2012-11-20T00:58:38 < Laurenceb_> just use boot0
2012-11-20T00:58:51 < zyp> Laurenceb_, seems like it doesn't like 12MHz crystal
2012-11-20T00:58:55 < emeb> that
2012-11-20T00:59:26 < emeb> flashing via SWD works fine though.
2012-11-20T01:00:08 < zyp> and my code, properly compiled and configured for 12MHz crystal worked for usb :p
2012-11-20T01:00:16 < emeb> zyp: now it's unhappy at a different place.
2012-11-20T01:00:19 < emeb> Program received signal SIGSEGV, Segmentation fault.
2012-11-20T01:00:19 < emeb> __static_initialization_and_destruction_0 (__priority=65535, __initialize_p=1) at main.cpp:112
2012-11-20T01:00:29 < zyp> huh
2012-11-20T01:00:32 < Laurenceb_> interesting
2012-11-20T01:00:33 < zyp> unhappy how?
2012-11-20T01:00:43 < Laurenceb_> id be interested in 16bit adc performance
2012-11-20T01:00:57 < emeb> Laurenceb_: that's one of the things I'd like to check too.
2012-11-20T01:01:06 < Laurenceb_> but having said that i need to overclock f3discovery adc
2012-11-20T01:01:12 < Laurenceb_> it can go crazy fast
2012-11-20T01:01:33 < Laurenceb_> lots of interesting sdr stuff for e.g.
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2012-11-20T01:05:05 < emeb> Laurenceb_: is that any different from the 12-bit ADC in the 373? That's quoting 1us conversion time.
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2012-11-20T01:06:38 < Laurenceb_> yes
2012-11-20T01:06:41 < Laurenceb_> its way faster
2012-11-20T01:06:49 < Laurenceb_> 5Msps/adc
2012-11-20T01:06:51  * emeb reads RM
2012-11-20T01:07:06 < Laurenceb_> and you can overclock and/or reduce the resolution
2012-11-20T01:07:13 < Laurenceb_> and interleave
2012-11-20T01:07:28 < Laurenceb_> aiui only limited by dma bus contention
2012-11-20T01:07:47 < Laurenceb_> so 36Msps burst or something
2012-11-20T01:07:49 < emeb> indeed.
2012-11-20T01:08:15 < emeb> even 5MSPS would be fine for lots of things.
2012-11-20T01:09:26 < zyp> hmm, I need to learn SCSI now
2012-11-20T01:09:38 < Laurenceb_> trying to do msc?
2012-11-20T01:09:43 -!- ntfreak [~ntfreak@unaffiliated/ntfreak] has quit [Ping timeout: 245 seconds]
2012-11-20T01:09:49 -!- ntfreak_ [~ntfreak@unaffiliated/ntfreak] has joined ##stm32
2012-11-20T01:09:59 < zyp> I'm receiving the first command correctly, but the host is becoming grumpy when I don't answer within 15 seconds
2012-11-20T01:10:03 < zyp> (Test Unit Ready)
2012-11-20T01:10:07 < zyp> yep
2012-11-20T01:10:17 < Laurenceb_> its a bit weird
2012-11-20T01:10:25 < zyp> weird how?
2012-11-20T01:10:31 < Laurenceb_> you send dummy commands to get mor edata
2012-11-20T01:10:40 < zyp> when?
2012-11-20T01:10:49 < Laurenceb_> during read
2012-11-20T01:10:58 < Laurenceb_> when it broken down into 64byte packets
2012-11-20T01:11:02 < Laurenceb_> or write
2012-11-20T01:11:08 < zyp> huh?
2012-11-20T01:11:15 < Laurenceb_> i think so
2012-11-20T01:11:27 < Laurenceb_> tbh i didnt look at all the layers
2012-11-20T01:12:05 < zyp> I think I'll just ignore what you said, instead of trying to interpret it, for now :)
2012-11-20T01:12:11 < Laurenceb_> heh
2012-11-20T01:12:17 < Laurenceb_> i dont really follow whats going on
2012-11-20T01:12:59 < Laurenceb_> https://github.com/Laurenceb/STM32-Logger/blob/master/Util/USB/memory.c#L61
2012-11-20T01:13:12 < Laurenceb_> that get scalled from the SCSI interpreting code
2012-11-20T01:13:39 < emeb> zyp: how can I be sure that the laks_demo I'm building is the F3 version?
2012-11-20T01:13:43 < Laurenceb_> seems it gets called multiple times with the same arguments until all the data is sent as 64byte or smaller packets
2012-11-20T01:13:52 < emeb> looks like it's trying to execute code for an F4
2012-11-20T01:13:57 < Laurenceb_> but i could be wrong - didnt read the upper layer properly
2012-11-20T01:14:06 < zyp> emeb, SelectMCU() in SConstruct
2012-11-20T01:14:32 < emeb> there it is.
2012-11-20T01:14:40 < emeb> it's set to f407 right now
2012-11-20T01:14:51 < zyp> heh
2012-11-20T01:15:12 < zyp> I suspected that might be the reason, but I thought you'd check that much at least
2012-11-20T01:15:18 < zyp> anyway, hang on
2012-11-20T01:15:27 < zyp> which revision are you building?
2012-11-20T01:15:34 < emeb> If I knew your build system the way you do. :)
2012-11-20T01:16:01 < Laurenceb_> why is it called laks?
2012-11-20T01:16:06 < emeb> cloned this last thurs. I presume there's a git cmd to find out?
2012-11-20T01:16:15 < zyp> Laurenceb_, because I didn't come up with anything better
2012-11-20T01:16:26 < Laurenceb_> what does it mean?
2012-11-20T01:16:39 < zyp> emeb, I pushed some new revisions of both laks and laks_demo today
2012-11-20T01:16:46 < emeb> pull?
2012-11-20T01:17:08 < Laurenceb_> git log?
2012-11-20T01:17:12 < Laurenceb_>  <sucks at git
2012-11-20T01:17:27  * emeb does too
2012-11-20T01:18:13 < zyp> pull newest laks_demo, checkout usb_cdc_acm, enter laks directory, git reset --hard HEAD, go back and do git submodule update, redo the 12MHz change
2012-11-20T01:18:25 < Laurenceb_> thats ... simple
2012-11-20T01:18:36 < zyp> or if you have other significant changes in laks repo, stash them
2012-11-20T01:18:42 < zyp> ah
2012-11-20T01:18:52 < zyp> the fpu changes, you'll want those too
2012-11-20T01:18:58 < zyp> stash instead of reset
2012-11-20T01:19:04 < zyp> and stash pop in laks repo at the end
2012-11-20T01:19:16 < Laurenceb_> so earlier today my boss comes in
2012-11-20T01:19:16 < emeb> OK - trying...
2012-11-20T01:19:30 < Laurenceb_>   "what are you building?"
2012-11-20T01:19:37 < Laurenceb_> me: "a linear actuator"
2012-11-20T01:19:46 < Laurenceb_> him: "a what??"
2012-11-20T01:19:51 < Laurenceb_> me: "explains"
2012-11-20T01:19:55 < zyp> Laurenceb_, it's not really hard if you know what you are doing, and it's IMO the most sane way to keep a project in sync with a library while keeping it maintainable
2012-11-20T01:20:16 < Laurenceb_> him: "Cant you use shape memory alloy, like in terminator?"
2012-11-20T01:20:40 < Laurenceb_> me: "....  terminator was fiction"
2012-11-20T01:20:41 < zyp> also, git status is your friend, use it liberally
2012-11-20T01:20:44 < Laurenceb_> yes
2012-11-20T01:20:50 < Laurenceb_> git is nice
2012-11-20T01:23:46 < emeb> w00t - worked
2012-11-20T01:23:54 < zyp> :)
2012-11-20T01:24:02 < Laurenceb_> what does the demo do?
2012-11-20T01:24:11 < emeb> ACM loopback
2012-11-20T01:24:18 < Laurenceb_> ah
2012-11-20T01:24:45 < zyp> http://cgit.jvnv.net/laks_demo/tree/main.cpp?h=usb_cdc_acm#n94 <- it's pretty obvious when you look at it, see handle_out()
2012-11-20T01:25:36 < emeb> toggles LED for each char too?
2012-11-20T01:25:42 < zyp> for each packet
2012-11-20T01:25:52 < Laurenceb_> Pin& usb_dm   = PA11;
2012-11-20T01:25:55 < Laurenceb_> thats nice
2012-11-20T01:26:15 < zyp> that's why I do it that way
2012-11-20T01:26:38 < emeb> laks api is very clean & pretty. If I only understood C++ better.
2012-11-20T01:27:13 < Laurenceb_> me too
2012-11-20T01:27:21 < Laurenceb_> classes and stuff... wtf
2012-11-20T01:27:26 < dongs> donnnnnnnnngs
2012-11-20T01:27:32 < emeb> lookout
2012-11-20T01:27:43 -!- ntfreak_ is now known as ntfreak
2012-11-20T01:27:51 < emeb> it's like the tarzan yell of ##stm32
2012-11-20T01:28:04 < Laurenceb_> https://olimex.files.wordpress.com/2012/11/mj.jpg?w=487
2012-11-20T01:28:08 < zyp> didn't you ever learn some sort of object oriented programming?
2012-11-20T01:28:19 < Laurenceb_> no, no programming at all
2012-11-20T01:28:21 < emeb> zyp: I do a lot of OOP in my own C code.
2012-11-20T01:28:29 < Laurenceb_> i need to learn OOP properly some time
2012-11-20T01:28:32 < emeb> but it's all done with pointers to structs.
2012-11-20T01:28:32 < Laurenceb_> but too busy
2012-11-20T01:28:35 < Laurenceb_> hehe
2012-11-20T01:28:48 < Laurenceb_> pointers and structs works nicely for me
2012-11-20T01:29:15 < Laurenceb_> looks like digikey fiddle with little kids
2012-11-20T01:29:22 < zyp> in C++, classes are pretty much the same as structs
2012-11-20T01:29:32 < Laurenceb_> ok
2012-11-20T01:29:37 < Laurenceb_> but they have functions?
2012-11-20T01:29:40 < BrainDamage> but they can contain functions
2012-11-20T01:29:41 < zyp> and compared to C structs, they gained the ability to contain functions and inherit other classes
2012-11-20T01:29:59 < Laurenceb_> i see
2012-11-20T01:30:01 < BrainDamage> yes, and you can select a class member accessibility
2012-11-20T01:30:10 < BrainDamage> public, private, protected
2012-11-20T01:30:12 < Laurenceb_> yeah ive hacked with this, but never properly understood it
2012-11-20T01:30:30 < zyp> member functions are in lowlevel terms just a normal function taking a class pointer as the first argument
2012-11-20T01:31:02 < emeb> yup
2012-11-20T01:31:06 < BrainDamage> also, a class has 2 special functions, a constructor ( ctor in short ) and destructor (dtor)
2012-11-20T01:31:08 < zyp> and virtual member functions is a function pointer, so it can be replaced by classes that inherit it
2012-11-20T01:31:25 < BrainDamage> which are called when the class is instantiated or destroyed
2012-11-20T01:31:51 < Laurenceb_> what does public/private/protacted mean?
2012-11-20T01:32:07 < zyp> how the member can be accessed
2012-11-20T01:32:20 < zyp> private stuff can only be accessed by member functions of the same class
2012-11-20T01:32:23 < emeb> zyp: so presumably one could put a little command parser into handle_out()...
2012-11-20T01:32:53 < Laurenceb_> ah, so its a bit like static functions?
2012-11-20T01:32:56 < zyp> emeb, yep
2012-11-20T01:33:06 < Laurenceb_> but belongs to a class?
2012-11-20T01:33:15 < zyp> Laurenceb_, sort of, just for a class rather than a file
2012-11-20T01:33:28 < Laurenceb_> yeah
2012-11-20T01:33:30 < emeb> zyp: ever think of sticking tinyPy in there (or equiv)? :)
2012-11-20T01:33:45 < Laurenceb_> in b4 flamewar
2012-11-20T01:33:58 < zyp> I've considered playing with pymite, haven't heard of tinypy before
2012-11-20T01:34:12 < emeb> roughly equiv I think
2012-11-20T01:34:17 < zyp> or maybe write my own command line parser, or get somebody to do it for me
2012-11-20T01:34:18 < emeb> both old tho
2012-11-20T01:35:05 < BrainDamage> Laurenceb: one small suggestion: if you use c++ OOP features, whenever you'd use a c string, replace it with std::string
2012-11-20T01:35:12 < BrainDamage> works wayyyy better
2012-11-20T01:35:16 < BrainDamage> less headaches, etc
2012-11-20T01:35:23 < Laurenceb_> ok
2012-11-20T01:35:32 < zyp> BrainDamage, unless you're doing embedded
2012-11-20T01:35:33 < Laurenceb_> what is the >> notation about?
2012-11-20T01:35:37 < Laurenceb_> in c++
2012-11-20T01:35:42 < BrainDamage> stream pipes
2012-11-20T01:35:45 < emeb> forget that.
2012-11-20T01:35:55 < Laurenceb_> are stream pipes real?
2012-11-20T01:36:02 < zyp> C++ allows operators to be overloaded
2012-11-20T01:36:22 < Laurenceb_> i mean will they work on embedded?
2012-11-20T01:36:38 < zyp> by having a function like operator>>(foo a, bar b)
2012-11-20T01:36:53 < BrainDamage> oh yes, they are implemented using overload
2012-11-20T01:37:06 < zyp> then if you have objects of types foo and bar, and do a >> b, that function gets called
2012-11-20T01:37:10 < BrainDamage> you can for instance create a class like Matrix2x2
2012-11-20T01:37:22 < BrainDamage> and define the * operator that does matrix multiply
2012-11-20T01:37:36 < zyp> yeah
2012-11-20T01:37:41 < BrainDamage> so yo can write Matrix2x2 a,b,c ; c=a*b;
2012-11-20T01:38:00 < zyp> in the avr imu stuff I worked on last year, I made some vectors and quaternion classes that work that way
2012-11-20T01:38:21 < Laurenceb_> nice
2012-11-20T01:38:32 < zyp> I'm going to do the same when I start working on the IMU part of suzumebachi again
2012-11-20T01:38:34 < Laurenceb_> so i can use >> on functions?
2012-11-20T01:38:51 < zyp> huh?
2012-11-20T01:39:01  * Laurenceb_ didnt follow
2012-11-20T01:39:12 < Laurenceb_> i asked about stream, how are they useful on embedded?
2012-11-20T01:39:29 < zyp> no idea, it's part of the C++ standard library
2012-11-20T01:39:32 < Laurenceb_> ok
2012-11-20T01:39:45 < zyp> I'm not using any stream operators in my stuff
2012-11-20T01:39:51 < zyp> any >> there would be normal bitshifts
2012-11-20T01:39:53 < Laurenceb_> i see
2012-11-20T01:39:56 < Laurenceb_> heh
2012-11-20T01:41:49 < zyp> http://www.cplusplus.com/doc/tutorial/program_structure/ <-- see hello world if you want an example of typical usage
2012-11-20T01:42:09 < Laurenceb_> yeah
2012-11-20T01:42:12 < zyp> it's more or less equivalent of printf("Hello World!");
2012-11-20T01:42:14 < emeb> zyp: Pin& led1 = PC15; // FIXME <- not working on F3?
2012-11-20T01:42:39 < emeb> I changed it to my LED and no blinky w/ chars echoed.
2012-11-20T01:42:46 < zyp> emeb, I've only defined GPIOA-GPIOD, leds on discovery is on GPIOF, and I was lazy :p
2012-11-20T01:42:53 < emeb> Aha.
2012-11-20T01:43:12 < emeb> But my LED is on PC15, so it should work?
2012-11-20T01:43:24 < zyp> you need to add led1.set_mode(Pin::Output); in F3 section in main()
2012-11-20T01:43:34 < emeb> of course.
2012-11-20T01:43:59 < dongs> looks like arduino
2012-11-20T01:44:34 < zyp> so be it
2012-11-20T01:45:40 < Laurenceb_> http://www.youtube.com/watch?v=Am9evsSvKhA&feature=player_embedded
2012-11-20T01:46:03 < zyp> dongs, probably more similar to mbed api than arduino
2012-11-20T01:46:41 < zyp> since mbed is actually utilizing object orienting
2012-11-20T01:46:42 < dongs> yea just trollin.
2012-11-20T01:46:54 < dongs> they should just opensauce their libs
2012-11-20T01:46:59 < dongs> i heard they build with armcc, not gcc.
2012-11-20T01:49:03 < emeb> zyp: achievement unlocked - blinky LED. Also needed to turn on GPIOC
2012-11-20T01:50:52 < zyp> easy to forget ;)
2012-11-20T01:51:59 < emeb> zyp: dongs pointed out that resetting USB connection can be done by setting DP low via GPIO.
2012-11-20T01:52:06 < emeb> that works even w/ simple pullup
2012-11-20T01:52:35 < zyp> yes, I considered that possiblity, but I'm not sure how nice that is
2012-11-20T01:52:39 < Laurenceb_> data:image/jpeg;base64,/9j/4AAQSkZJRgABAQAAAQABAAD/2wCEAAkGBhQSERUUExQWFRUWGBcaGBgYGBwcFxwZGh0aHhoaHRsYHCYeGBwjGhwVHy8gJCcqLCwsGCAxNTAqNSYrLCkBCQoKDgwOGg8PGikkHyQsLCwsLCwsLCwpLCksKSkpLCwsLCwpLCwsLCksLCwpLCwsLCwpLCksLCwsLCwsLCwsLP/AABEIAKgBLAMBIgACEQEDEQH/xAAcAAACAgMBAQAAAAAAAAAAAAAFBgMEAAIHAQj/xABCEAACAQIEAwYCBwYEBgMBAAABAhEAAwQSITEFQVEGEyJhcYEykRQjQqGxwdEHM1Ji4fAVFnKCQ5KissLxJFNzY//EABoBAAMBAQEBAAAAAAAAAAAAAAECAwQABQb/
2012-11-20T01:52:39 < Laurenceb_> xAAxEQACAgEDAwMCAwkBAQAAAAAAAQIRAxIhMQQTQSJRYYGxcZHRBRQjMkKhwfDx4YL/2gAMAwEAAhEDEQA/ACPZDEYSzcRUcFjpnbST/CJ9OVMndBXAlTJnzg8qq8J4GLTgiCPEMoUBYI3jefeveEYDI5AdsoIhW1ieWonoa1404uqFm9SsNotblgASdgCT7V5lrLtrMrL/ABAj5iKu0chG4l2iuXWMEqk+FV09JjUk1YXAYu2uci4o3Pikj1E0Lu2Hw9yGEMDpI0MHQjrypjwnbWRF23PUqfyNect5PW6PflFwiuzFNFngfaQkhLusmA3PXb76i4h2gvJedVKwrECVG1TcN4ZhLsG2XBBBgtrprzoRxEzfuH+dvxppOSjyTxwxTyv01tumi6O1Fzmto+q/1qW3xwNvZsn/AG0
2012-11-20T01:52:40 < Laurenceb_> RwPG7AtorKZVVB8IOoFXMNi8NcYBVXMdpT+lFX7k5uMbvEwXxQ2rVwq2Gtkbg7SPlVvA8Jw15AwtAeQJ0Psau8c4d3tuR8S6jz6ilnB457asF+0I9PMee/wA6ZunvwTxx7uL0OpL5Jr64RWZQtzoSrmD821FX8P2ctuiMrXlA1SSJHmAQY61Q4JwjvXlh4F38zyX9acIpo7k+pl2qjFu/IvP2YgP9e4D/AByF19dqH3LKqyf/ACEYoIWbZI94OtXO02NJbuhsILeZO33Vpwzs33iZ3YqDsANfXWg3vSRXHaxqeWVJ/CKtrgrXFZbb2GzNmJghh5DTQb1ZHA7obN3duAsZVdgJ2nYa1DxHhb4ZlZWkTo2xB6Gid3H99hHJ+IQD8xr70FXkM3KlKDuL2KScOxCqoyvIOrC5MjpBNS
2012-11-20T01:52:46 < Laurenceb_> t34LeG8B9jQNB8/KpOy05n9B+NHcZYLIQpKtyI01rlurEzTcJ6JJMXfplwFZzgR4ybex8oGtQvxtgpJKTmiCpEjrvVzhPEnF0LcYkHTXkf70q/xvHm2gj4iYE66c/7865S2uxpRqag4J37f8ArcVBZhFlsomZifISN68OJt3Mgawrd5tqp26zEVscYxtNca3bIDACU3neoMHirVy4qPYtjMYkCKGv5D2Vv6eOd/j8UT28VYALd0yiQrERuJgGG151VxvAsFdzB0cEHM3xDXqYNX+KcNw9q2XNsxIEKxGp94odhbmHuNlHfKX0PiBn1ma6VrZ0TjDHNOUVKiA9kMEf+I48MCXOgmZGYSdqsWuyuHyBFcEa/w7nYmNyK9t37Mqwv3BAgZkBgdNq3s4RWyhL6HKSQGWDJ99aXb2QXh
2012-11-20T01:52:51 < HTT-Bird> Laurenceb_: copy pasta fail? *sigh*
2012-11-20T01:52:51 < Laurenceb_> jV2/wAv/DX/ACkpYtnBzPmIjlA8Eg/DIB9hWuO4BeMi3cVAZ+zrrPqNoG3KpMRwq4sjNaBYyNSp03A02qO7gr/iKgGR4clwwD113pvxiT7UfEkDf8nXLeFu2rZQ3HCKHYkQoMkbGI1AAorwvgItKk/GAJbck7Ea7LvVfvMQpHgvRlgwVbxdfStE4reGTMLg0OebcweURuK5OC8MHYk+JIkxXD7nelrVsCQAXcg9Z8IPpB051j9n4BHeMS2jyo1Eeh+W1Rp2laEzlRJg5lIgdaz/ADPI2Q+LLo3/AFbbVylDyB9PkEPE9ncVhb6mzZuOinRl+LLyzRz15ctKI8bw7HF2rwtXitxQL3gPl
2012-11-20T01:52:59 < Laurenceb_> epic fail
2012-11-20T01:53:08 < emeb> URL not image
2012-11-20T01:53:26 < HTT-Bird> emeb: gotta love inline images
2012-11-20T01:53:49 < emeb> I'll send some arm binary next. :)
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2012-11-20T01:55:07 -!- Oldboy [myircshell@gateway/shell/sh3lls.net/x-rigusmpipzcotofo] has joined ##stm32
2012-11-20T01:55:19 < zyp> I suspect that forcing down a pin that the host is driving up is not so nice, even when factoring in the inline resistors
2012-11-20T01:55:31 < emeb> yeah - it's ugly
2012-11-20T01:56:43 < zyp> wouldn't it be 3.3V across 44ohm or so? 75 mA (disregarding that the drivers would also drop a bit)
2012-11-20T01:56:56 < emeb> USB defines pulldowns on host side, but they're ~1k, so removing device-side pullup isn't so harsh
2012-11-20T01:57:18 < zyp> removing device side pullup is the proper way of doing it
2012-11-20T01:57:24 < emeb> I suppose you could use the weakest drive-strength on the GPIO out
2012-11-20T01:57:31 < emeb> (lowest freq)
2012-11-20T01:57:57 < Laurenceb_> meanwhile at the olympics
2012-11-20T01:57:59 < Laurenceb_> http://www.anorak.co.uk/wp-content/gallery/olympic-nips-lips/spandexpolandbiketeamyikes.jpg
2012-11-20T01:58:00 < zyp> still not very nice
2012-11-20T01:58:04 < Laurenceb_> indeed
2012-11-20T01:58:18 < emeb> So the PFET + resistors approach we did on the v0.4 F3 breakout is better.
2012-11-20T01:58:27 < emeb> if it works :P
2012-11-20T01:58:30 < zyp> yeah, I like that idea
2012-11-20T01:59:03 < zyp> except for the part that I like that my boards reset when the chip is reset during flashing :p
2012-11-20T01:59:06 < emeb> Laurenceb_: plum smugglers
2012-11-20T01:59:06 < dongs> too expensive
2012-11-20T01:59:21 < Laurenceb_> you dont need gpio control on the pullup
2012-11-20T01:59:36 < Laurenceb_> you can just pull up to 3v3
2012-11-20T01:59:50 < zyp> and Laurenceb_ missed the entire discussion
2012-11-20T01:59:53 < dongs> lol
2012-11-20T01:59:56 < emeb> whooosh...
2012-11-20T01:59:59 < dongs> nothing new here
2012-11-20T02:00:13 < dongs> Laurenceb_ is all about missing discussions
2012-11-20T02:00:46 < Laurenceb_> oh the data lines?
2012-11-20T02:00:51 < Laurenceb_> da hell
2012-11-20T02:01:35 < zyp> Laurenceb_, the problem is that when your chip resets, you want to signal a reconnect event on the bus, so the host doesn't think that the device is still enumerated
2012-11-20T02:02:16 < Laurenceb_> yeah
2012-11-20T02:02:17 < dongs> im using that gpio swicher hack and it seems to work
2012-11-20T02:02:25 < dongs> (yea yea)
2012-11-20T02:03:25 < emeb> zyp: so yeah - to reconnect on reset with this approach you need to actively control that pin after coming out of reset.
2012-11-20T02:03:50 < zyp> that's fine
2012-11-20T02:03:52 < emeb> (wonder how long you have to let it pull down?)
2012-11-20T02:04:28 < zyp> I'm probably going to add a hook in my usb stack for application specific pullup control
2012-11-20T02:04:44 < emeb> a little callback or something?
2012-11-20T02:04:56 < zyp> something like that
2012-11-20T02:05:10 < zyp> or maybe just pin and polarity
2012-11-20T02:05:31 < emeb> So - here's a little gotcha: Didn't notice that PC13-15 have limited current output.
2012-11-20T02:05:42 < emeb> spec says < 3ma.
2012-11-20T02:05:47 < zyp> and you hooked your led there?
2012-11-20T02:05:50 < dongs> haha
2012-11-20T02:05:51 < emeb> yup.
2012-11-20T02:05:55 < emeb> Buuuuuuttt.
2012-11-20T02:05:55 < dongs> on whaT? breakout?
2012-11-20T02:06:00 < emeb> yep
2012-11-20T02:06:03 < dongs> shitty.
2012-11-20T02:06:07 < dongs> they cant sink or source much
2012-11-20T02:06:11 < emeb> it appears to be ok.
2012-11-20T02:06:11 < dongs> because they're going through a switch
2012-11-20T02:06:14 < dongs> for the crystal shit
2012-11-20T02:06:15 < dongs> well yeah
2012-11-20T02:06:17 < emeb> LED lights up fine.
2012-11-20T02:06:34 < emeb> I've got a blue LED w/ 330 ohm ballast resistor
2012-11-20T02:06:40 < dongs> light up those dongs
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2012-11-20T02:06:53 < emeb> so 3.3V - 2.8V / 330 = 1.5ma
2012-11-20T02:07:01 < emeb> So it's all good.
2012-11-20T02:07:39 < dongs> wiiU looks pretty lazy
2012-11-20T02:08:37 -!- TitanMKD [Titan@chl26-1-88-183-104-56.fbx.proxad.net] has quit []
2012-11-20T02:09:20 < emeb> does it have all the accels & gyros in it so  you can still play sports games?
2012-11-20T02:11:30 < dongs> i think thats in the controller
2012-11-20T02:11:31 < dongs> still reading that
2012-11-20T02:11:57 < dongs> The Wii U loses its ability to communicate with near fields as we remove the NFC module and antenna.
2012-11-20T02:12:00 < dongs> haha
2012-11-20T02:12:20 < emeb> funny thing about near-field communications. you have to be NEAR.
2012-11-20T02:14:20 < dongs> http://guide-images.ifixit.net/igi/rpVmgy32B5FpWSkL.huge
2012-11-20T02:14:21 < dongs> ooo
2012-11-20T02:14:29 < dongs> rebranded STM32 as main processor?
2012-11-20T02:14:47 < dongs> prob not, eh? just lcd controller or someshit.
2012-11-20T02:14:47 < emeb> nifty
2012-11-20T02:15:32 < emeb> lotta testpoints on that board.
2012-11-20T02:16:20 < Laurenceb_> looks like stm32 to me
2012-11-20T02:17:09 < emeb> based on... ?
2012-11-20T02:18:05 < zyp> based on the fact that stm32 is the only st chips Laurenceb_ has seen :p
2012-11-20T02:18:50 -!- DaKu is now known as daku
2012-11-20T02:19:30 < Laurenceb_> lol
2012-11-20T02:20:35 < emeb> backside: http://guide-images.ifixit.net/igi/D2HWk1eebGrxh3T3.large
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2012-11-20T02:22:11 < dongs> huh
2012-11-20T02:22:13 < dongs> gyro-only??
2012-11-20T02:22:16 < dongs> in wii u
2012-11-20T02:22:17 < dongs> controller
2012-11-20T02:22:24 < dongs> pad for accel is blank...
2012-11-20T02:22:28 < dongs> or wahtever teh fuck was next to it
2012-11-20T02:23:38 < emeb> Laurenceb_: so how would you test the F373 SDADCs?
2012-11-20T02:24:13 < emeb> get some statistics on variance or something?
2012-11-20T02:24:33 < Laurenceb_> yes
2012-11-20T02:24:39 < Laurenceb_> grab a load of data
2012-11-20T02:24:48 < Laurenceb_> then do standard deviation
2012-11-20T02:25:05 < Laurenceb_> with input at vcc/2 or whatever
2012-11-20T02:25:08 < emeb> makes sense.
2012-11-20T02:25:39 < emeb> might try coding that up just for giggles.
2012-11-20T02:25:59 < emeb> Dump results to ACM. :)
2012-11-20T02:27:07 < zyp> beware of the lack of flow control, it's one thing I haven't fully decided how to handle yet
2012-11-20T02:27:57 < emeb> so usb_write() just blasts it out w/o checking for ready?
2012-11-20T02:28:04 < zyp> yes
2012-11-20T02:28:17 < emeb> should be... entertaining...
2012-11-20T02:28:18 < zyp> you can poll ep_ready() first to check if it's ok to write()
2012-11-20T02:28:26 < zyp> that's what I've been doing so far
2012-11-20T02:28:30 < emeb> makes sense.
2012-11-20T02:29:56 < zyp> I feel I need some more experience with different use cases to determine what would be the most sane way of structuring flow control, but I'm intending to have some sort of callback model between hardware drivers and class drivers
2012-11-20T02:30:13 < zyp> and then class drivers can use queues or whatever towards the application
2012-11-20T02:31:04  * Laurenceb_ zzz
2012-11-20T02:31:04 < zyp> queues would work nicely for acm, just accept packets as long as there is room in the queue, and halt the endpoint when there is not
2012-11-20T02:31:18 < emeb> ya
2012-11-20T02:33:14 < dongs> 09:31  * Laurenceb_ zzz
2012-11-20T02:33:26 < dongs> waiting for him to ping timeout
2012-11-20T02:33:35 < dongs> as heyanked the ethernet cable out of his desktop together with the socket
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2012-11-20T02:35:48 < emeb> owche
2012-11-20T02:36:04 < dongs> yep, called it.
2012-11-20T02:36:23 < dongs> his nightly ragequits must run quite a bill in replacement ethernet sockets
2012-11-20T02:36:32 < zyp> :p
2012-11-20T02:37:23 < dongs> zyp, are you following the drama in op
2012-11-20T02:37:27 < dongs> hilarious shit
2012-11-20T02:38:14 < zyp> yeah
2012-11-20T02:39:03 < zyp> stuff like that is why I'm inclined to not work on huge projects
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2012-11-20T02:57:45 < dongs> VG,, is that the 64pin stm32 version?
2012-11-20T02:58:06 < zyp> isn't V 100pin?
2012-11-20T02:58:20 < dongs> just trying to figure out what could be the rebadged  ST chip on wii u
2012-11-20T02:58:23 < zyp> and G is 1M flash?
2012-11-20T02:58:48 < zyp> F4 discovery is VG
2012-11-20T02:58:50 <+dekar_> dongs, could be a custom one
2012-11-20T02:59:19 < zyp> yeah, kind of hard to tell
2012-11-20T02:59:39 <+dekar_> I mean it makes sense for them to add stuff they need, a touch controller maybe
2012-11-20T03:00:11 < dongs> if iFailit didnt add that red shit around the chip it'd be easier to see the pins
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2012-11-20T03:00:23 < dongs> but i dont see the usual bypass caps that would be in the corners of stm32
2012-11-20T03:00:25 < zyp> it's obviously from the same producer, but there is not really any point in rebadging it without modifying the die, is it?
2012-11-20T03:01:03 <+dekar_> zyp, still people do that all the time for some reason :/
2012-11-20T03:01:06 < emeb> dongs: looks like xtal traces on the right side, but I don't see an xtal - just a bunch of huge caps.
2012-11-20T03:01:26 -!- Oldboy [myircshell@gateway/shell/sh3lls.net/x-okrcpqljodqmuuvf] has quit [Client Quit]
2012-11-20T03:02:03 < zyp> crystal might as well be on opposite side
2012-11-20T03:02:25 < dongs> its not thogh
2012-11-20T03:03:22 < zyp> possibly clock provided from elsewhere then
2012-11-20T03:06:02 < emeb> only xtal I see is X1 on the back next to the bga.
2012-11-20T03:09:16 <+dekar_> so maybe it runs from an internal one
2012-11-20T03:10:04 <+dekar_> maybe clock stability just wasn't of importance
2012-11-20T03:12:07 < dongs> http://guide-images.ifixit.net/igi/ishJaSCOwLkvbLYK why  doesnt ifixit post pics like tehese anymore
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2012-11-20T03:15:42 <+dekar_> dongs, http://guide-images.ifixit.net/igi/sUfsY6FDRWCOkrO3.huge
2012-11-20T03:15:58 < dongs> thats nowwhere near high res
2012-11-20T03:16:20 < dongs> the one i posted is like 7kx5k image
2012-11-20T03:16:23 < dongs> your shit is 1600x1200
2012-11-20T03:17:14 <+dekar_> dongs, what? I only posted that so you can count the pins
2012-11-20T03:17:20 < dongs> ah
2012-11-20T03:17:31 < dongs> no is obviosuly 64qfp
2012-11-20T03:17:37 < dongs> but i was talking about traces closer to chip
2012-11-20T03:17:41 < dongs> that were obscured by the overlay.
2012-11-20T03:17:43 <+dekar_> surely not defending crappy pix :)
2012-11-20T03:17:56 < dongs> which you cant really  see in the side pic either
2012-11-20T03:19:22 <+dekar_> what can you do with those controllers? I guess it has to be beefier than an stm32 to allow for web browsing and the like
2012-11-20T03:19:37 < dongs> i think contortller is just a wireless video viewer
2012-11-20T03:19:49 < dongs> there's a bga on back, thats probably the main processor
2012-11-20T03:19:59 < dongs> whatever stm does is probably something secondary
2012-11-20T03:20:14 < dongs> all the rendering should be on the base unit
2012-11-20T03:21:12 < dongs> so when are we moving into #peabodypilot
2012-11-20T03:21:44 <+dekar_> it has quite a lot of flash though
2012-11-20T03:21:57 < dongs> you mean if VG marking is right?
2012-11-20T03:22:25 < dongs> i wonder if they asked ST to put 1meg flash version into 64pin package since they weren't using most of the pins
2012-11-20T03:23:29 <+dekar_> I meant the micron flash on the other side
2012-11-20T03:23:35 < dongs> o
2012-11-20T03:26:31 < dongs> got suckered into reading virtualboy teardown.
2012-11-20T03:27:12 < dongs> single row of leds with oscillating mirror on galvos to do entire image
2012-11-20T03:27:26 < dongs> fucking epic stuff.
2012-11-20T03:28:40 < dongs> http://guide-images.ifixit.net/igi/e2F1Tv4hY3ffAOAJ.huge
2012-11-20T03:28:45 <+dekar_> I am not too convinced :P
2012-11-20T03:29:22 <+dekar_> using a DLP chip would be way cooler
2012-11-20T03:29:30 < dongs> not in 1995
2012-11-20T03:30:22 <+dekar_> wasn't too epic in 1995, or people would have bought it ;)
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2012-11-20T04:39:24 < zippe> dongs: I thought James was going to med school, not forking
2012-11-20T04:41:04 < zippe> Hah, odd.  I assumed that the lithium addicts over there knew about it already
2012-11-20T04:42:23 < dongs> heh
2012-11-20T04:42:25 < dongs> wassup?
2012-11-20T04:42:34 < dongs> whos the lithuim addicvts
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2012-11-20T05:20:53 < dongs> http://4.bp.blogspot.com/-sL0_4U2u49Y/UIgARB5iMpI/AAAAAAAAmqM/CorHm3MVXqQ/s1600/AwkwardPhoto.jpg
2012-11-20T05:40:46 < emeb> probably not so awkward considering that guy must have modeled for the photo.
2012-11-20T05:41:08 < emeb> it's not like they use real perps & cops in those ads.
2012-11-20T05:41:21 < baird> 'You live in Adelaide! haahaa!'
2012-11-20T05:41:39 -!- Vutral [~ss@mirbsd/special/Vutral] has quit [Ping timeout: 255 seconds]
2012-11-20T05:41:45 < emeb> what's wrong with Adelaide>
2012-11-20T05:43:56 < baird> Newcastle-level development, ringed by suburbs, and then.. nothing
2012-11-20T05:44:19 < emeb> isolated?
2012-11-20T05:45:11 < baird> Yep. 'large', but there's comparitively little to show for it.
2012-11-20T05:46:13 < baird> There's the CBD, the touristy areas like Hahndorf, ...and houses.
2012-11-20T05:46:14 < emeb> ah. my sister is in Melbourne but I don't know a lot about Australian cities.
2012-11-20T05:46:24 < baird> "A hole", as we'd call it.
2012-11-20T05:47:39 < emeb> could be worse - Alice Springs.
2012-11-20T05:48:08 < gnomad> is that the one that flooded?
2012-11-20T05:48:34 < baird> Sydney: ~4 million people, has everything (..if you have a car). Melbourne: 3 million, has almost everything. Brisbane: ~1 million/city, ~1 million coast; new, 'BrisVegas'. Adelaide: ~1.5M, 'a hole'. Perth: ~1M, 'a hole, waaaay out the back that no-one visits'.
2012-11-20T05:50:13 < emeb> what about Darwin?
2012-11-20T05:50:28 < baird> Alice wasn't too bad-- it's the staging and supply post for most of the outback, so it has everything that people might need (..even had a scooter dealership).
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2012-11-20T05:51:54 < baird> Darwin, I was going to mention: basically just an overgrown settlement, without much reason to be there.. 0.3M people. Inbreeds who refuse to make anything of their proximy to Asia.
2012-11-20T05:52:03 < emeb> heh
2012-11-20T05:52:18 < emeb> looks like it's just housing for the folks at the airbase.
2012-11-20T05:52:45 < baird> 'Us Southerners' have wondered for a century why the place isn't a major trading port..
2012-11-20T05:53:14 < emeb> But yeah - as close as it is to Malaysia, etc you'd think it'd be a huge commercial center.
2012-11-20T05:53:54 < baird> My brother's family lives up there, his wife explained it as the attitude "Hurr, if you want to do something, just go back South like where you belong!"
2012-11-20T05:54:14 < emeb> Ah - equatorial attitude. Too hot to work.
2012-11-20T05:54:19 < dongs> http://www.ti.com/product/lp8545
2012-11-20T05:54:31 < dongs> emeb: my ledfaggot says the reason leds are split up in the panel is to avoid differece in Vf
2012-11-20T05:54:49 < baird> It should also be a major agricultural region, given the proximity to the equator and the water catchment and supply.. There's a bit of it, but bugger-all..
2012-11-20T05:54:52 < dongs> (manufacturing tolerances or wahtever)
2012-11-20T05:55:16 < emeb> dongs: sorry - not tracking you. What's this in regard to?
2012-11-20T05:55:30 < dongs> emeb: having like 12 cathodes on backlight connector
2012-11-20T05:55:34 < dongs> on highres panel
2012-11-20T05:55:38 < emeb> oh yeah.
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2012-11-20T05:55:38 < dongs> instead of just +/- for all the leds.
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2012-11-20T05:56:00 < emeb> we were wondering why all the different chains.
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2012-11-20T05:56:20 < emeb> makes sense.
2012-11-20T05:57:43 < emeb> bbiab...
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2012-11-20T06:00:15 < emeb_mac> back...
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2012-11-20T06:18:16 < dongs> http://www.monolithicpower.com/Lists/Product_White%20LED%20Drivers%20Inductors%20and%20Charge%201/DispForm.aspx?ID=34
2012-11-20T06:20:08 < emeb_mac> oooo - step-up.
2012-11-20T06:22:01 < emeb_mac> eh - external mosfet.
2012-11-20T06:22:05 < dongs> right
2012-11-20T06:22:08 < dongs> thats what i was disappointed with
2012-11-20T06:22:55 < dongs> time to see what crapple used
2012-11-20T06:25:45 < dongs> no info
2012-11-20T06:26:44 < dongs> http://i.imgur.com/ciUr5.jpg mps doesnt look too bad.
2012-11-20T06:26:59 < dongs> can just steal their appnote for layout.
2012-11-20T06:27:03 < dongs> extfet = so8  thing
2012-11-20T06:30:02 < emeb_mac> http://www.ti.com/product/tps61195
2012-11-20T06:30:41 < dongs> furiosul downloading datasheet
2012-11-20T06:30:45 < emeb_mac> http://www.mouser.com/ProductDetail/Texas-Instruments/TPS61195RUYT/?qs=sGAEpiMZZMvvAo%252bip5liNxQgGzIE4VGO
2012-11-20T06:32:16 < dongs> i only see 8 outputs on the TI chip
2012-11-20T06:33:14 < emeb_mac> forgot how many you need.
2012-11-20T06:33:19 < dongs> only 12 :(
2012-11-20T06:33:24 < emeb_mac> hmmm
2012-11-20T06:34:08 < emeb_mac> don't think TI has chips w/ more than 8
2012-11-20T06:34:18 < dongs> sure tehy do
2012-11-20T06:34:19 < dongs> TLC-type shit
2012-11-20T06:34:23 < dongs> but thats fucking overkill for backlight
2012-11-20T06:34:23 < dongs> heh
2012-11-20T06:34:31 < dongs> like the 24ch tlc=79whatever
2012-11-20T06:34:45 < dongs> plus that'd need external boost ic
2012-11-20T06:35:16 < emeb_mac> use 2 8chl?
2012-11-20T06:35:20 < dongs> pl
2012-11-20T06:35:22 < dongs> plz
2012-11-20T06:35:23 < dongs> and 2 coils
2012-11-20T06:35:28 < dongs> and 2x of each passives etc?
2012-11-20T06:36:21 < dongs> http://www.ti.com/paramsearch/docs/parametricsearch.tsp?family=analog&familyId=691&uiTemplateId=NODE_STRY_PGE_T
2012-11-20T06:36:24 < dongs> wat teh fuck
2012-11-20T06:36:26 < dongs> bug on site?
2012-11-20T06:36:32 < dongs>  TI Home > Semiconductors > Staging > Unknown > White LED Driver >
2012-11-20T06:36:36 < dongs> looks like some lunix/java failure
2012-11-20T06:36:55 < dongs> TI analog null null products are a subset of analog null solutions. This page is your resource to download datasheets, application notes, order samples and use parametric search to research other null-related analog solutions.
2012-11-20T06:36:59 < dongs> roflll
2012-11-20T06:37:04 < Bird|lappy> whoops
2012-11-20T06:37:14 < Bird|lappy> it's a runaway null!
2012-11-20T06:37:15 < dongs> null-related analog solutions
2012-11-20T06:37:20 < dongs> fucking irl lolling.
2012-11-20T06:41:55 < emeb_mac> no white led drivers w/ > 8 chls
2012-11-20T06:42:09 < emeb_mac> 12 chl drivers are for displays, not backlights.
2012-11-20T06:44:22 < dongs> Right
2012-11-20T06:45:15 < dongs> http://www.gmt.com.tw/product/datasheet/EDS-5997.pdf
2012-11-20T06:45:16 < dongs> fuck yeah
2012-11-20T06:48:36 < emeb_mac> be nice if that datasheet had a bit more... data
2012-11-20T06:49:26 < dongs> haha. right.
2012-11-20T06:49:28 < dongs> but i can get that
2012-11-20T06:49:32 < dongs> 8ch version of that chip is 50c
2012-11-20T06:49:48 < dongs> used in another product here
2012-11-20T06:49:49 < emeb_mac> ouch - so expensive.
2012-11-20T06:49:50 < dongs> lcd tv backlight
2012-11-20T06:49:53 < dongs> i kno rite?
2012-11-20T06:50:07 < emeb_mac> internal fet?
2012-11-20T06:50:11 < dongs> yes
2012-11-20T06:50:45 < emeb_mac> sounds like a deal
2012-11-20T06:51:37 < emeb_mac> oh those clever taiwanians.
2012-11-20T06:51:38 < dongs> and I get to support communist china
2012-11-20T06:52:09 < emeb_mac> oh - saw the .tw url
2012-11-20T06:52:15 < dongs> same shit
2012-11-20T06:52:21 < dongs> i think
2012-11-20T06:53:50 -!- ReggieUK [~ReggieUK@5aca5630.bb.sky.com] has quit []
2012-11-20T07:04:37 < ds2> Hmmm
2012-11-20T07:08:08 -!- Rickta59 [~kimballr@cpe-174-106-144-066.ec.res.rr.com] has quit [Ping timeout: 255 seconds]
2012-11-20T07:08:13 < dongs> bored
2012-11-20T07:08:17 < dongs> waiting for datasheet.
2012-11-20T07:14:00 < emeb_mac> you have to ask for it?
2012-11-20T07:14:08 < dongs> yea, but no biggie
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2012-11-20T07:31:38 < dongs> nice,taiwan office got the hdmi/dp chipset evalboards
2012-11-20T07:31:41 < dongs> forwarding to me
2012-11-20T07:41:07 < ds2> which hdmi chipset?
2012-11-20T07:41:11 < dongs> ITE
2012-11-20T07:41:17 < dongs> and DP also
2012-11-20T07:41:28 < dongs> IT6505 IT6604
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2012-11-20T07:55:15 < dongs> attn zyp http://www.bitrebels.com/lifestyle/doorknob-licking-the-new-japanese-trend-12-pics/
2012-11-20T07:57:39 < ds2> oh
2012-11-20T08:03:46 -!- l4cr0ss [~lacro$$@108.62.247.83] has quit [Quit: l4cr0ss]
2012-11-20T08:07:02 < emeb_mac> oy!
2012-11-20T08:07:26 < dongs> LETS ADD SOME EXCITEMENT 12:00
2012-11-20T08:08:58 < emeb_mac> http://www.jwz.org/blog/2003/08/scrub-out-my-eyes/
2012-11-20T08:09:45 < dongs> jwz is such an opensores fgt
2012-11-20T08:10:18 < emeb_mac> actually not any longer - he hates linux now and is totally mac.
2012-11-20T08:11:32 < dongs> not sure how that qualifies as any less of a fgt :)
2012-11-20T08:11:38 < dongs> if anything, its more :)
2012-11-20T08:11:56 < emeb_mac> lol
2012-11-20T08:18:01 < dongs> http://img.danawa.com/cms/img/2012/08/16/1345077465_thumb.jpg
2012-11-20T08:18:02 < dongs> hmm
2012-11-20T08:18:06 < dongs> this is not a bad idea
2012-11-20T08:18:18 < dongs> http://img.danawa.com/cms/img/2012/08/16/1345077520_thumb.jpg
2012-11-20T08:18:43 < dongs> instead of connector on edge, have it on a bump behind
2012-11-20T08:18:58 < dongs> this way can mount monitors next to each other, too
2012-11-20T08:19:31 < dongs> http://img.danawa.com/cms/img/2012/08/16/1345079284_thumb.jpg retarded use case tho
2012-11-20T08:20:30 < emeb_mac> seems good.
2012-11-20T08:21:03 < emeb_mac> what's mhl?
2012-11-20T08:23:46 < dongs> mobile hdmi trash
2012-11-20T08:23:57 < dongs> not sure wh the fuck would anyone want phone output on a large screen
2012-11-20T08:24:48 < emeb_mac> mooooovies
2012-11-20T08:27:35 < zippe> dongs - lithium addicts -> OP crowd
2012-11-20T08:27:52 < zippe> dongs: keynote
2012-11-20T08:28:17 < dongs> heynote?
2012-11-20T08:28:21 < dongs> keynote?
2012-11-20T08:28:26 < dongs> hmm
2012-11-20T08:28:33 < dongs> one thing though: i should just use USB connector
2012-11-20T08:28:34 < dongs> for power.
2012-11-20T08:28:42 < dongs> instead of DC jack. 500mA is enough for display + electronics anyway.
2012-11-20T08:29:19 < dongs> oh, keynote for mhkl
2012-11-20T08:29:35 < dongs> sorry, i dont think anyone actualyl uses their iFailures for anything except waving them in front of htier face while trying to take a photo
2012-11-20T08:29:37 < zippe> dongs: like powerpoint, only with kerning
2012-11-20T08:29:40 < dongs> right.
2012-11-20T08:30:25 < zippe> And you're welcome to your bubble, but in the real world people do some surprising things
2012-11-20T08:30:37 -!- claude is now known as Claude
2012-11-20T08:30:49 < emeb_mac> usb power is so common these days.
2012-11-20T08:31:18 < emeb_mac> cheap smps adapters for any AC std.
2012-11-20T08:31:27 < dongs> right
2012-11-20T08:31:39 < dongs> and i can continue using my stock of awesome throug-hole USB sockets.
2012-11-20T08:32:26 < emeb_mac> that's how they power the rpi. :P
2012-11-20T08:32:37 < dongs> rpi has throughhole usb?
2012-11-20T08:32:50 < emeb_mac> no - usb conn for power.
2012-11-20T08:33:11 < emeb_mac> probably a regular smd connector too.
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2012-11-20T08:53:04 < ds2> Hmmmm
2012-11-20T08:53:08 < ds2> I hate mechanical stuff
2012-11-20T08:54:23 < emeb_mac> what's mechanical stuff doing to you?
2012-11-20T08:59:03 < ds2> not fitting
2012-11-20T08:59:29 < ds2> flex cable doesn't look like it will flex enough
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2012-11-20T09:08:38 < zyp> morning
2012-11-20T09:09:14 < emeb_mac> morning already?
2012-11-20T09:09:34 < zyp> well, I just arrived at work
2012-11-20T09:10:49 < emeb_mac> propane torch.
2012-11-20T09:12:40 < emeb_mac> time for zzz
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2012-11-20T11:44:02 < LongChair> i am having an issue with malloc function trying to malloc av very small structure ( 8 bytes)
2012-11-20T11:44:08 < LongChair> malloc is returning NULL
2012-11-20T11:45:33 < LongChair> I have an about standard linker file : http://pastebin.com/UJ7ddTr1
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2012-11-20T11:48:03 < jpa-> LongChair: so does it work for larger allocations?
2012-11-20T11:49:40 < LongChair> i havent tried yet
2012-11-20T11:50:03 < LongChair> lemme try with 1024 bytes
2012-11-20T11:50:16 < LongChair> nope
2012-11-20T11:50:26 < LongChair> first line of main is : char *ptr = malloc(1024);
2012-11-20T11:50:31 < LongChair> will return null
2012-11-20T11:50:52 < LongChair> could it be due to the newlib stubs ?
2012-11-20T11:52:14 < jaeckel> hmm
2012-11-20T11:52:19 < jaeckel> or due to missing heap
2012-11-20T11:52:37 < LongChair> oh
2012-11-20T11:52:47 < jaeckel> just an assumption lookin at the linkerfile
2012-11-20T11:52:51 < LongChair> im a total noob with linker file
2012-11-20T11:53:06 < jpa-> LongChair: is your sbrk ok?
2012-11-20T11:53:24 < LongChair> i grabbed it from stdperiph lib in ride samples
2012-11-20T11:53:48 < LongChair> i am not sure about sbrk
2012-11-20T11:54:28 < LongChair> seems not
2012-11-20T11:54:36 < LongChair> _sbrk will return ENOMEM
2012-11-20T11:54:41 < LongChair> thats is why
2012-11-20T11:55:15 < LongChair> is there anywahere where i could grab a linkerfile handling the heap ?
2012-11-20T11:55:25 < LongChair> and the according newlib stubs ?
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2012-11-20T12:07:16 < jpa-> LongChair: no-one likes newlib :)
2012-11-20T12:08:07 < zyp> jpa-, it's not that bad :p
2012-11-20T12:08:28 < zyp> at least not the idea of those stubs
2012-11-20T12:09:46 < jpa-> not that bad yeah, but often overkill and too bloat
2012-11-20T12:09:59 < jpa-> but that's just why i don't have any nice example code :P
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2012-11-20T12:27:31 < LongChair> hehe
2012-11-20T12:27:44 < LongChair> so any alternate library to use ?
2012-11-20T12:30:30 < karlp> hah
2012-11-20T12:37:58 < Claude> LongChair, i think too heap is missing
2012-11-20T12:38:06 < LongChair> yes
2012-11-20T12:38:16 < Claude> http://fun-tech.se/stm32/linker/src/stm32.ld <-- give that linker script a try
2012-11-20T12:38:18 < LongChair> I just need to figure out how to add it
2012-11-20T12:38:23 < LongChair> ok thanks :)
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2012-11-20T12:40:01 < LongChair> Claude : Just to make things right .. i need to modifiy stack size i guess
2012-11-20T12:40:18 < LongChair> stack(rwx): ORIGIN = 0x20004FFC, LENGTH = 0K
2012-11-20T12:40:21 < LongChair> ?
2012-11-20T12:40:26 < Claude> hmm stack grows iirc
2012-11-20T12:41:46 < LongChair> i see nowhere where you would specify heap and stack size ...
2012-11-20T12:45:48 < zyp> you are usually not supposed to specify it
2012-11-20T12:45:56 < LongChair> ok
2012-11-20T12:46:07 < zyp> the normal method is to use all leftover ram for heap and stack
2012-11-20T12:46:17 < LongChair> all right
2012-11-20T12:46:25 < zyp> heap grows upwards from the bottom and stack grows downwards from the top
2012-11-20T12:46:32 < LongChair> understood
2012-11-20T12:46:46 < LongChair> can't find any associated stub files, are there any matching the link file ?
2012-11-20T12:49:51 < Claude> LongChair, http://fun-tech.se/stm32/linker/index.php (not my site , just the one of the first links on google "stm32 linker" )
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2012-11-20T13:02:38 < LongChair> well i have removed my stubs
2012-11-20T13:02:49 < LongChair> it seems to link without yelling
2012-11-20T13:03:05 < LongChair> but there is another issue now
2012-11-20T13:03:18 < LongChair> when it loads the elf something is going wrong
2012-11-20T13:06:54 < dongs> received 12ch driver datasheet
2012-11-20T13:12:23 < LongChair> is anyone using eclispe here to handle his stm32 projects ?
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2012-11-20T13:13:12 < LongChair> I have build my whole project with it. It compiles and links without any problems .. the resulting file is quite bi (15 megs)
2012-11-20T13:13:48 < LongChair> then i create the binary file with objcopy and it will result in a n empty bin file
2012-11-20T13:14:17 < LongChair> i have tried it in command line .. i will have no error
2012-11-20T13:14:41 < LongChair> i am using the following commadn line : arm-none-eabi-objcopy -S  -O binary  "${ProjName}" "${ProjName}.bin"
2012-11-20T13:25:37 < LongChair> how come a 15 megs file turn into an empty .bin ?
2012-11-20T13:26:47 < jpa-> check arm-none-eabi-size -t foo.elf
2012-11-20T13:26:59 < jpa-> the .elf includes debugging symbols so the file size tells you nothing
2012-11-20T13:36:00 < LongChair> ok lemme check this
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2012-11-20T13:38:11 < LongChair> C:\ARM\Workspace\GueNightFly\Debug>arm-none-eabi-size   -t GuenightFly
2012-11-20T13:38:11 < LongChair>    text    data     bss     dec     hex filename
2012-11-20T13:38:11 < LongChair>       0       0       0       0       0 GuenightFly
2012-11-20T13:38:11 < LongChair>       0       0       0       0       0 (TOTALS)
2012-11-20T13:38:21 < LongChair> wth ..
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2012-11-20T13:44:53 < LongChair> int main()
2012-11-20T13:44:53 < LongChair> {
2012-11-20T13:44:53 < LongChair>   printf("Test");
2012-11-20T13:44:53 < LongChair> }
2012-11-20T13:45:02 < LongChair> still will make a 0 size .bin file
2012-11-20T13:46:45 < karlp> your link script is throwing out sections or something.
2012-11-20T13:47:20 < LongChair> I just used the link script above :)
2012-11-20T13:48:19 < LongChair> http://fun-tech.se/stm32/linker/src/stm32.ld
2012-11-20T13:58:05 < LongChair> ok it seems indeed to be the linker script
2012-11-20T13:58:30 < LongChair> so back to square 1, need a linker script + Stubs
2012-11-20T14:03:28 < LongChair> ok I grabbed the stdperiphlib atolic linker script
2012-11-20T14:03:38 < LongChair> it was missing all teh stubs
2012-11-20T14:03:47 < LongChair> i grabbed a newlib stubs c file
2012-11-20T14:03:49 < karlp> what do you mean when you say stubs?
2012-11-20T14:03:55 < LongChair> it's only missing one function now
2012-11-20T14:03:59 < karlp> newlib stubs for sbrk?
2012-11-20T14:04:04 < LongChair> yeah for instance
2012-11-20T14:04:34 < LongChair> basically i need these stubs :
2012-11-20T14:04:35 < karlp> linker scripts also normally go hand in hand with the startup code.
2012-11-20T14:04:35 < LongChair> c:/program files (x86)/gnu tools arm embedded/4.6 2012q4/bin/../lib/gcc/arm-none-eabi/4.6.2/../../../../arm-none-eabi/lib/armv7-m\libc.a(lib_a-sbrkr.o): In function `_sbrk_r':
2012-11-20T14:04:35 < LongChair> sbrkr.c:(.text._sbrk_r+0xc): undefined reference to `_sbrk'
2012-11-20T14:04:35 < LongChair> c:/program files (x86)/gnu tools arm embedded/4.6 2012q4/bin/../lib/gcc/arm-none-eabi/4.6.2/../../../../arm-none-eabi/lib/armv7-m\libc.a(lib_a-writer.o): In function `_write_r':
2012-11-20T14:04:35 < LongChair> writer.c:(.text._write_r+0x10): undefined reference to `_write'
2012-11-20T14:04:35 < LongChair> c:/program files (x86)/gnu tools arm embedded/4.6 2012q4/bin/../lib/gcc/arm-none-eabi/4.6.2/../../../../arm-none-eabi/lib/armv7-m\libc.a(lib_a-closer.o): In function `_close_r':
2012-11-20T14:04:36 < LongChair> closer.c:(.text._close_r+0xc): undefined reference to `_close'
2012-11-20T14:04:36 < LongChair> c:/program files (x86)/gnu tools arm embedded/4.6 2012q4/bin/../lib/gcc/arm-none-eabi/4.6.2/../../../../arm-none-eabi/lib/armv7-m\libc.a(lib_a-fstatr.o): In function `_fstat_r':
2012-11-20T14:04:37 < LongChair> fstatr.c:(.text._fstat_r+0xe): undefined reference to `_fstat'
2012-11-20T14:04:37 < LongChair> c:/program files (x86)/gnu tools arm embedded/4.6 2012q4/bin/../lib/gcc/arm-none-eabi/4.6.2/../../../../arm-none-eabi/lib/armv7-m\libc.a(lib_a-isattyr.o): In function `_isatty_r':
2012-11-20T14:04:38 < LongChair> isattyr.c:(.text._isatty_r+0xc): undefined reference to `_isatty'
2012-11-20T14:04:38 < LongChair> c:/program files (x86)/gnu tools arm embedded/4.6 2012q4/bin/../lib/gcc/arm-none-eabi/4.6.2/../../../../arm-none-eabi/lib/armv7-m\libc.a(lib_a-lseekr.o): In function `_lseek_r':
2012-11-20T14:04:39 < LongChair> lseekr.c:(.text._lseek_r+0x10): undefined reference to `_lseek'
2012-11-20T14:04:39 < LongChair> c:/program files (x86)/gnu tools arm embedded/4.6 2012q4/bin/../lib/gcc/arm-none-eabi/4.6.2/../../../../arm-none-eabi/lib/armv7-m\libc.a(lib_a-readr.o): In function `_read_r':
2012-11-20T14:04:39 < karlp> fuck me
2012-11-20T14:04:40 < LongChair> readr.c:(.text._read_r+0x10): undefined reference to `_read'
2012-11-20T14:04:46 < karlp> get that shit to a pastebin!
2012-11-20T14:04:59 < LongChair> oops sorry
2012-11-20T14:05:32 < LongChair> i grabbed the following stubs : https://sites.google.com/site/stm32discovery/open-source-development-with-the-stm32-discovery/getting-newlib-to-work-with-stm32-and-code-sourcery-lite-eabi
2012-11-20T14:06:27 < karlp> did you use the linker script and startu from that same example?
2012-11-20T14:06:41 < LongChair> no
2012-11-20T14:06:43 < karlp> mix n match is playing with fire, red hot fire.
2012-11-20T14:07:41 < LongChair> yeah but there is another article on the same site with a linker script, but no linker script in the sam earticle
2012-11-20T14:07:50 < LongChair> so i'm not even sure that they are matching
2012-11-20T14:09:20 < LongChair> ok i used the linker script in the article above
2012-11-20T14:10:20 < LongChair> it gives teh same error char * stack = (char*) __get_MSP();
2012-11-20T14:10:29 < LongChair> the __get_MSP is unknown
2012-11-20T14:13:11 <+dekar__> LongChair, how about trying the example I linked you?
2012-11-20T14:13:22 < LongChair> i tried it
2012-11-20T14:13:31 < LongChair> gives me empty bin files
2012-11-20T14:13:58 <+dekar__> https://github.com/EliasOenal/TNT_Example
2012-11-20T14:14:03 <+dekar__> the project, as is?
2012-11-20T14:14:24 <+dekar__> I have built it with several toolchains before
2012-11-20T14:17:31 < LongChair> maybe im confused
2012-11-20T14:17:35 <+dekar__> LongChair, did you use my makefile/linkerscript etc?
2012-11-20T14:17:36 < LongChair> i'll try it again
2012-11-20T14:17:50 < LongChair> i have tried so many things i'm confused
2012-11-20T14:17:54 < LongChair> lemme try it again now
2012-11-20T14:17:55 < LongChair> :)
2012-11-20T14:27:06 <+dekar__> Well since you're on Windows the makefile might not work, I've only tested it on OSX and Linux
2012-11-20T14:27:21 < LongChair> i am not using makefiles
2012-11-20T14:27:29 < LongChair> i have build a project in eclipse
2012-11-20T14:27:41 <+dekar__> Which doesn't work ;)
2012-11-20T14:29:54 < LongChair> so far it seems to work
2012-11-20T14:30:00 < LongChair> why wouldn't it work ? :)
2012-11-20T14:30:43 <+dekar__> Well you told us your eclipse project couldn't use malloc
2012-11-20T14:31:17 <+dekar__> I also use eclipse btw, but I just have it call make
2012-11-20T14:31:27 < LongChair> well i couldn't malloc, but it is not due to eclipse but to linker file
2012-11-20T14:31:46 < LongChair> with the linker file / stubs you pointed out it seems to work
2012-11-20T14:32:08 < LongChair> i am making some further test to state it's working but malloc works and the rest of the code seems ok as well :)
2012-11-20T14:33:08 <+dekar__> you probably want to adjust the memory locations in my linkerscript: https://github.com/EliasOenal/TNT_Example/blob/master/linker_script/simple.ld
2012-11-20T14:33:38 < LongChair> yes i have modified the ram and flash items
2012-11-20T14:34:00 < LongChair> origin is ok, but the sizes are different on my STM32F103RBT6
2012-11-20T14:34:07 < LongChair> i have 128k flash & 20k ram
2012-11-20T14:34:10 <+dekar__> that's what I meant
2012-11-20T14:34:20 < LongChair> i also modified the stack end
2012-11-20T14:34:34 < LongChair> _estack = 0x20005000 instead of _estack = 0x20002000
2012-11-20T14:34:59 < LongChair> well as far as i can judge right now it works pretty well :)
2012-11-20T14:35:21 < LongChair> thanks dekar, you made my day ! :p
2012-11-20T14:35:24 <+dekar__> next you want to use TNT, which is the superior toolchain :)
2012-11-20T14:35:58 < LongChair> sorry for the noobness but what's different than the regular arm gcc ?
2012-11-20T14:36:57 <+dekar__> it's optimized for small binaries
2012-11-20T14:37:25 < LongChair> i must admit that when i was using keil before, the same code gives smaller .bin
2012-11-20T14:37:27 <+dekar__> newlib is configured properly for microcontroller, somehow most other toolchains don't seem to configure newlib at all
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2012-11-20T14:37:57 <+dekar__> https://github.com/EliasOenal/TNT
2012-11-20T14:38:06 < LongChair> moving from keil to gcc went from 33k to 50k
2012-11-20T14:38:19 < LongChair> with all optimization i could use
2012-11-20T14:38:41 < zyp> with -Os?
2012-11-20T14:38:45 <+dekar__> LongChair, that's not GCCs fault, it's cause of the crappy toolchain you used
2012-11-20T14:38:45 < LongChair> yes
2012-11-20T14:39:00 < LongChair> ok so lets say that i wanna used tnt
2012-11-20T14:39:18 < LongChair> where can i get it ? is there a windows installer ?
2012-11-20T14:39:28 < LongChair> or a binary archive ?
2012-11-20T14:39:34 < baird> bawahahahaha
2012-11-20T14:39:40 <+dekar__> There are binaries for OSX and Linux
2012-11-20T14:39:56 < LongChair> ok so means i need to compile it
2012-11-20T14:39:58 <+dekar__> http://dekar.wc3edit.net/2012/10/11/the-power-of-tnt-is-at-your-disposal/
2012-11-20T14:40:34 < LongChair> ok
2012-11-20T14:41:08 < LongChair> to be honnest ... i don't feel like installing the gcc win32 toolchain to build the arm toolchain :)
2012-11-20T14:41:23 < LongChair> if there was a win32 built I would have given it a try :)
2012-11-20T14:42:01 <+dekar__> Just download some Ubuntu
2012-11-20T14:42:09 < Laurenceb> http://static.fjcdn.com/pictures/Lesbian_72e370_371130.jpg
2012-11-20T14:42:25 < LongChair> lmao
2012-11-20T14:43:18 < baird> Can I get TNT as an App for my iPad?
2012-11-20T14:44:28 < Laurenceb> trolling 4 sure
2012-11-20T14:44:47 <+dekar__> baird, just install android on your iDevice
2012-11-20T14:45:14 < Laurenceb> haha
2012-11-20T14:46:29 <+dekar__> I totally should make an android release
2012-11-20T14:46:50 < dongs> Ask Slashdot: What Video Games Keep You From Using Linux?
2012-11-20T14:46:51 <+dekar__> "You got Windows? Well, use TNT on your phone!" :)
2012-11-20T14:47:25 <+dekar__> none
2012-11-20T14:47:39 <+dekar__> Well I am on OSX for now, don't play any games on it though
2012-11-20T14:48:17 < BrainDamage> does irc trolling count as videogame?
2012-11-20T14:48:22 < dongs> it might!
2012-11-20T14:49:19 <+dekar__> I would argue the actual game is IRC, Trolls are just a class
2012-11-20T14:50:46 <+dekar__> I prefer playing operator though
2012-11-20T14:51:07 < zyp> which class would I be?
2012-11-20T14:51:25 < dongs> not_even_trying_to_troll class.
2012-11-20T14:53:39 <+dekar__> dongs, my flying thing broke
2012-11-20T14:54:08 <+dekar__> my co-workers crashed it into stuff too often
2012-11-20T14:54:20 < LongChair> would any one know how to setup eclipse so that /** will generate a custom Function header ?
2012-11-20T14:56:11 < Laurenceb> LongChair: you fail even more than this
2012-11-20T14:56:12 < Laurenceb> http://thetechnohobo.com/wp-content/blogs.dir/106/files/2011/07/you-fail-at-life.jpg
2012-11-20T14:57:22 < LongChair> where is the failure in this pic ? :p
2012-11-20T14:57:29 <+dekar__> He's racist
2012-11-20T14:58:15 < Laurenceb> lol
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2012-11-20T15:17:58 < jpa-> aha, there is a TIM14_DIER even though the F4 datasheet does not list it :)
2012-11-20T15:18:07 < dongs> um
2012-11-20T15:18:14 < dongs> it's probably "there"
2012-11-20T15:18:16 < dongs> in the register map
2012-11-20T15:18:18 < dongs> since they're all common
2012-11-20T15:18:20 < jpa-> yeah
2012-11-20T15:18:31 < dongs> but it probably doesnt exist as in, writing it oit doesnt make any difference.
2012-11-20T15:18:35 < dongs> for that particular timer.
2012-11-20T15:18:57 < jpa-> but they still write out a bunch of registers that are the same
2012-11-20T15:19:04 < jpa-> just not that one
2012-11-20T15:19:38 < dongs> pretty sure the TIMx definition is common for all timers
2012-11-20T15:19:41 < dongs> even advanced control ones
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2012-11-20T15:32:17 < jpa-> dongs: ah, but i mean it exists in that it does have an effect
2012-11-20T15:32:30 < jpa-> without writing to DIER the TIM14 interrupt never gets generated
2012-11-20T15:38:55 < dongs> is tehre a tim14 handler in NVIC though?
2012-11-20T15:40:31 < jpa-> there is
2012-11-20T15:40:39 < jpa-> it has a totally own interrupt even
2012-11-20T15:41:00 < jpa-> and it works and everything, and the datasheet does list the interrupt flag for it also
2012-11-20T15:41:06 < jpa-> it just does not list the interrupt enable bit
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2012-11-20T16:43:21 < emeb_mac> morning peeps
2012-11-20T16:43:47 < zyp> evening
2012-11-20T16:45:44 -!- scrts [~quassel@unaffiliated/scrts] has quit [Read error: Connection reset by peer]
2012-11-20T16:50:14 < emeb_mac> you europeans and your crazy timezones.
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2012-11-20T17:02:17 < emeb_mac> now zyp doesn't need his LPC board: http://www.electronicsweekly.com/Articles/15/11/2012/55013/development-board-for-cortex-m4-plus-m0-dual-core.htm
2012-11-20T17:03:24 < dongs> electronicsdickly
2012-11-20T17:03:32 < dongs> no arduino headers, no sale
2012-11-20T17:03:45 < emeb_mac> and it's more expensive than an rpi
2012-11-20T17:04:10 < dongs> that's surely cheaper htan what he'd pay for blank 4 layer boards in smal lqty.
2012-11-20T17:04:33 < dongs> that comes with lcd?
2012-11-20T17:04:34 < dongs> not bad.
2012-11-20T17:04:45 < dongs> almost china pricing there.
2012-11-20T17:05:20 < emeb_mac> hmmm - thought it said lcd was sold separately
2012-11-20T17:05:40 < dongs> 59gbp
2012-11-20T17:05:43 < dongs> thats including rapetax
2012-11-20T17:05:47 < dongs> im sure digikey should have it for less?
2012-11-20T17:06:37 < emeb_mac> $95 w/o LCD, $131 w/ LCD.
2012-11-20T17:07:07 < emeb_mac> seems e14 designed it - doubt they'd sell thru DK.
2012-11-20T17:08:20 < dongs> NXP: AN11229 - UUencoding for UART ISP
2012-11-20T17:08:21 < dongs> ya...
2012-11-20T17:08:27 < dongs> totally what  i need in 2012
2012-11-20T17:08:52 < emeb_mac> do they do kermit too?
2012-11-20T17:09:00 < dongs> zmodem
2012-11-20T17:09:01 < Laurenceb> [a,b]
2012-11-20T17:09:01 < Laurenceb> ans = goatsex
2012-11-20T17:10:19 < jpa-> does anyone have the codes to do EBDIC -> ASCII when using stm32 with 300 baud modems?
2012-11-20T17:11:28 < emeb_mac> stm32 could prolly do the 300 baud fsk mod / demod in software.
2012-11-20T17:11:46 < dongs> just lookup whats that guys name softmodem shit
2012-11-20T17:11:50 < emeb_mac> hook the phone directly to the adc/dac
2012-11-20T17:12:01 < dongs> bellard
2012-11-20T17:12:14 < dongs> http://bellard.org/linmodem.html
2012-11-20T17:12:56 < emeb_mac> echo canceller or gtfo
2012-11-20T17:13:14 < Laurenceb> thatd be good for high altitude ballooning
2012-11-20T17:13:29 < Laurenceb> someone badly needs to make a decent fsk decoder
2012-11-20T17:13:35 < emeb_mac> lol - x11 interface
2012-11-20T17:13:54 < emeb_mac> Laurenceb: fsk is easy. what for?
2012-11-20T17:14:13 < Laurenceb> radio downlink
2012-11-20T17:14:44  * emeb_mac just finished up a 1200/2400/4800 baud msk mod/demod project
2012-11-20T17:15:28 < emeb_mac> mostly in FPGA though
2012-11-20T17:16:43 < dongs> license it to opensauces
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2012-11-20T17:17:49 < emeb_mac> lol - you said "license" and "opensauce" in the same sentence.
2012-11-20T17:18:06 < zyp> stellaris stuff arrived today, but delivery guys are up to their usual bullshit
2012-11-20T17:18:20 < emeb_mac> gave it to the neighbors?
2012-11-20T17:18:41 < baird> fldigi would have lots of nice source to rip..
2012-11-20T17:18:47 < Laurenceb> hahahaha
2012-11-20T17:18:53 < Laurenceb> fldigi suxors
2012-11-20T17:18:59 < zyp> no, driving aimlessly around with it after failed delivery, instead of dropping it off at the post office so I can collect it, like they are supposed to
2012-11-20T17:19:06 < Laurenceb> fldigi is why im suggesting it needs to be donw
2012-11-20T17:20:17 < zyp> oh well, that gives me time to work more on mass outrage today
2012-11-20T17:20:37 < emeb_mac> ?
2012-11-20T17:20:41 < Laurenceb> lol
2012-11-20T17:21:51 < dongs> outRAGE
2012-11-20T17:22:06 < dongs> hes outraged e14 trolled him out of designing a lpc breakout
2012-11-20T17:24:18 < zyp> heh
2012-11-20T17:24:23 < zyp> why should I care?
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2012-11-20T17:25:33 < zyp> unless e14 is going to sell it to me as a kit with board and parts, I can't use it for bga soldering practice, like one of the points of my design is :p
2012-11-20T17:26:29 < jpa-> you can desolder it first
2012-11-20T17:26:34 < zyp> :)
2012-11-20T17:29:27 < jpa-> hmm.. should i code today a  1) vcd input module for sigrok for testing my logic analyzer fpga stuff or  2) better rle encoder for my logic analyzer fpga stuff
2012-11-20T17:30:44 < Claude> rle encoder , low on blockram ?
2012-11-20T17:31:13 < jpa-> it's just stupid not to do RLE encoding
2012-11-20T17:31:16 < Claude> or low on bandwidth to sigrok ?
2012-11-20T17:31:53 < jpa-> and yes, low on both (it writes to vcd files on flash memory)
2012-11-20T17:32:24 < jpa-> (though eventually it would capture RLE encoded and compressed stuff to memory and show it on the screen)
2012-11-20T17:32:40 < baird> http://www.element14.com/community/docs/DOC-51084/l/element14-discover-mo--an-expansion-board-for-stm32f4discovery ... Needs moar external RAM module..
2012-11-20T17:33:33 < Claude> just yesterday i had a look at sigrok too , we have some dataloggers here doing RS485 through an FPGA. thought it would be handy to have a build in protocol analyzer in the datalogger for the 'field guys'
2012-11-20T17:34:51 < jpa-> baird: IIRC the stm32f4 discovery had some other stuff on some important FSMC pins (not sure if i remember right)
2012-11-20T17:36:21 < baird> Aha, the above is ~$80, and the matching Embest LCD 320x240 module is ~$65
2012-11-20T17:36:33 < dongs> baird: ya what a fucking rip
2012-11-20T17:36:47 < zyp> waveshare boards are a better deal
2012-11-20T17:36:49 < dongs> baird: SPI/FSMC 320x240 lcd from china is ~$15 shipped
2012-11-20T17:36:50 < dongs> yeah
2012-11-20T17:36:54 < baird> Fucking Capitalists.
2012-11-20T17:38:01 < dongs> so i was stoned when making my  displayport pattern
2012-11-20T17:38:31 < dongs> apparently the 20 signal pins are 4mm from center on left side and 5.5mm from right side. i did them in the center
2012-11-20T17:38:46 < dongs> missed t his fact in TWO datasheets i was looking at
2012-11-20T17:39:08 < dongs> also the oval mounting holes were a bit too tight.
2012-11-20T17:39:30 < zyp> how much power is the panel drawing?
2012-11-20T17:39:34 < dongs> maybe they meant pre-plated size
2012-11-20T17:39:37 < zyp> with backlight and shit
2012-11-20T17:39:50 < dongs> zyp: according to datasheet lcd module is 380mA but im seeing around 200 actual, and backlight is 120ma
2012-11-20T17:40:09 < zyp> ah, nice
2012-11-20T17:40:27 < dongs> i was thinking of maybe just powering it off USB.
2012-11-20T17:40:33 < dongs> i mean, for power connector just using USB.
2012-11-20T17:40:40 < zyp> that's what I also was thinking
2012-11-20T17:40:47 < zyp> portable external display for my laptop
2012-11-20T17:40:55 < Claude> baird, 32MB SDRAM at F4 Disco ;) : https://docs.google.com/open?id=0B_5UXaEUPGdZVTNuVjJOY1MtQ2c
2012-11-20T17:41:01 < dongs> this also gives me another possible bonus: hookup stm32 to the same USB socket.
2012-11-20T17:41:04 < dongs> enumerate as HID
2012-11-20T17:41:14 < dongs> control brightness/etc though it.
2012-11-20T17:41:17 < baird> The new Intel thingie has a Displayport
2012-11-20T17:41:46 < Laurenceb> nice
2012-11-20T17:41:56 < zyp> dongs, good idea
2012-11-20T17:41:56 < Laurenceb> thAT BOARD HAS ETHERNET
2012-11-20T17:42:21 < baird> intel thingie -> http://techreport.com/review/23888/review-intel-next-unit-of-computing
2012-11-20T17:42:23 < dongs> what rock did Laurenceb crawled under
2012-11-20T17:42:34 < Laurenceb> troll cave rock
2012-11-20T17:42:39 < dongs> baird: that thing kinda sucks. intel graphics are still kind shit, arent they
2012-11-20T17:42:54 < dongs> Claude: lol, is that a de0nano
2012-11-20T17:42:58 < baird> And it still manages to burn through 65 watts
2012-11-20T17:43:01 < dongs> i kno u trollen it
2012-11-20T17:43:10 < Claude> dongs, yep
2012-11-20T17:43:20 < dongs> i suppose thats one way to do it haha
2012-11-20T17:43:49 < dongs> i got a fpgaproj im failing :( i can never fucking find people to do this shit properly EVEN IF I PAY THEM
2012-11-20T17:43:50 < baird> Claude: there's a patchwire across the F4D?
2012-11-20T17:43:50 < Claude> fsmc to wishbone/avalon and then to the sdram
2012-11-20T17:44:45 < dongs> how the fufCK do I view that iamge in proper size
2012-11-20T17:44:51 < Claude> baird, yeah fsmc on the f4 disco sucks . you have to rewire some stuff (iirc codec reset and usb over current)
2012-11-20T17:45:41 < Claude> oh an if you try to use MCO out for the fpga pll : remove R68 on the F4 disco ;)
2012-11-20T17:45:59 < dongs> http://images.4chan.org/b/src/1353410204795.png haha
2012-11-20T17:46:01 < Claude> stupid st wired the clk in on the f4 wrong
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2012-11-20T17:48:42 < Claude> with R68 you can choose between the xtal or the debugger stm32f1 mco out as clock source for the F4. according to the F4 disco manual this resistor should be not populated (xtal as clock source) but stupid st put that resistor in. so the F4 PLL 'hickups' every some seconds
2012-11-20T17:49:19 < Claude> very annoying trying to sync the fpga pll to that ;)
2012-11-20T17:52:19 < LongChair> does NVIC_Reset() resets the chip like in power on state ?
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2012-11-20T17:53:54 < LongChair> I have a virtual com port on USB application on my board, In the protocol i have a reset command. When i handle the reset command using NVIC_Reset, the chip will be reset, but the port will be in a wierd state
2012-11-20T17:54:10 < LongChair> the port will appear in the device manager .. but cannot be openned
2012-11-20T17:54:39 < LongChair> If i stop the debug / restart it seems that it will work again
2012-11-20T17:54:48 < zyp> which chip? F4?
2012-11-20T17:54:51 < LongChair> F1
2012-11-20T17:54:58 < zyp> ah, right
2012-11-20T17:55:15 < zyp> is this your own board, or a generic devboard?
2012-11-20T17:55:22 < LongChair> my own board
2012-11-20T17:55:36 < zyp> how did you hook up the 1.5k pullup on D+?
2012-11-20T17:55:53 < LongChair> i hooked it up on a GPIO output
2012-11-20T17:56:00 < LongChair> I am pulling it down before reset
2012-11-20T17:56:06 < LongChair> then wait 1 sec , then reset
2012-11-20T17:56:13 < zyp> you need to turn off the pullup to signal a disconnect to the host
2012-11-20T17:56:25 < LongChair> i can hear the windows noise disconnecting .. and device will disapear from device manager
2012-11-20T17:56:49 < LongChair> the it will appear again .. but port cannot be opened
2012-11-20T17:57:40 < zyp> then you have some sort of timing issues around that
2012-11-20T17:57:59 < zyp> remember that pullup enabled = device connected
2012-11-20T17:58:25 < LongChair> probably
2012-11-20T17:58:45 < zyp> I suggest not enabling it until your usb driver is ready to handle it
2012-11-20T17:58:45 < LongChair> i haven't found a nice way to close usb in virtual com port sample though
2012-11-20T17:58:59 < zyp> close?
2012-11-20T17:59:16 < LongChair> well i wanted to simulate a proper disconnection before reseting
2012-11-20T17:59:23 < LongChair> i used the PowerOff() function
2012-11-20T17:59:30 < LongChair> but seems not enough
2012-11-20T17:59:42 < zyp> disabling the pullup will signal a disconnection properly
2012-11-20T17:59:53 < LongChair> yeah that's what i'm doing
2012-11-20T18:00:02 < zyp> then you are doing it wrong
2012-11-20T18:00:15 < LongChair> I wait now even 2secs after poweroff before reseting the chip
2012-11-20T18:00:27 < zyp> poweroff?
2012-11-20T18:00:38 < LongChair> yeah that's one of the USB sample functions
2012-11-20T18:01:29 < zyp> killing the F1 usb controller does nothing except for your device stopping replying to any communication attempts from the host
2012-11-20T18:01:54 < zyp> as long as the pullup is still present, the host will believe the device still remains connected and enumerated
2012-11-20T18:01:54 < LongChair> yes
2012-11-20T18:02:36 < LongChair> but i am pulling it down
2012-11-20T18:02:53 < LongChair> windows will see it disapear
2012-11-20T18:02:59 < LongChair> and reapear as well
2012-11-20T18:03:11 < zyp> if it reappears, you are pulling it up again.
2012-11-20T18:03:25 < LongChair> yes of course, that's after reset
2012-11-20T18:03:45 < LongChair> let me put this straight :)
2012-11-20T18:03:51 < LongChair> upon reset command :
2012-11-20T18:04:04 < LongChair> -> PowerOff -> will pulldown the line
2012-11-20T18:04:09 < LongChair> wait 2 secs
2012-11-20T18:04:19 < LongChair> -> NVIC_Reset()
2012-11-20T18:04:34 < LongChair> then the chip reboots and the USB init goes on again
2012-11-20T18:04:43 < LongChair> device will reappear in device manager
2012-11-20T18:04:52 < LongChair> but when using comport -> error
2012-11-20T18:05:21 < zyp> ah
2012-11-20T18:05:38 < zyp> right, and nvic_reset only resets the usb peripheral?
2012-11-20T18:05:46 < zyp> the rest of the chip remains running and all?
2012-11-20T18:05:52 < LongChair> well it should reset the whole chip
2012-11-20T18:06:02 < zyp> ah, you're doing a full chip reset
2012-11-20T18:06:06 < LongChair> that was my former question :p
2012-11-20T18:06:11 < LongChair> yes
2012-11-20T18:06:21 < LongChair> i'm using NVIC_Reset from corelib
2012-11-20T18:06:35 < zyp> I'm not familiar with corelib
2012-11-20T18:07:24 < jpa-> is that your name for stdperiph? :)
2012-11-20T18:07:29 < zyp> but anyway, if it reappears, it should mean that enumeration is working, so control traffic is working
2012-11-20T18:09:43 < zyp> but this is not enough information to point out where the problem is
2012-11-20T18:10:27 < zyp> ideally you should have logs of both what the host is thinking, what the device is thinking and what communication is going on between them
2012-11-20T18:11:10 < LongChair> not that CMSIS
2012-11-20T18:11:19 < LongChair> ok looks like i have found the issue
2012-11-20T18:11:40 < LongChair> if you send from a pc app a command and have the comport openned
2012-11-20T18:11:51 < LongChair> then it will not be remounted properly
2012-11-20T18:12:06 < LongChair> it has to be closed when the VCP is coming back
2012-11-20T18:12:36 < zyp> well, that's rather obvious
2012-11-20T18:12:52 < zyp> (and a host side issue)
2012-11-20T18:13:15 < LongChair> yes that is right it's a host issue
2012-11-20T18:13:41 < zyp> I thought you ruled that one out when you said the behavior was different between NVIC_Reset() and reset from debugger
2012-11-20T18:13:48 < zyp> I assumed everything else was identical
2012-11-20T18:14:01 < LongChair> i can understand that an open VCP will have to be reconnected to work, but a connection loss should not avoid the new VCP to come back on teh same port
2012-11-20T18:14:25 < LongChair> but that is a windows / VCP driver issue
2012-11-20T18:14:44 < zyp> should not according to who?
2012-11-20T18:15:16 < LongChair> according to me :p
2012-11-20T18:16:04 < LongChair> why is it not a vlaid point ? :p
2012-11-20T18:16:06 < LongChair> valid
2012-11-20T18:16:16 < jpa-> i can confirm this behaviour; if you have a virtual COM port open in an application, the number will not be reused
2012-11-20T18:16:45 < LongChair> well it will display in the device manager
2012-11-20T18:16:52 < LongChair> but won't be usable
2012-11-20T18:16:57 < jpa-> for me it just comes up as a new number
2012-11-20T18:16:59 < zyp> when you unplug the device, the driver will be unloaded and the pipe towards the userspace application opening the port will be closed so the application can't communicate any more on it
2012-11-20T18:17:10 < jpa-> e.g. if it was COM10 before, it pops up as COM11 and works just fine
2012-11-20T18:17:26 < LongChair> jpa- : in order to ease the dev, i have asked device manager to stick with the com port number
2012-11-20T18:17:34 < LongChair> in the comport properties
2012-11-20T18:17:49 < LongChair> so in my case it will always show as COM9
2012-11-20T18:18:05 < jpa-> yeah, using USB CDC as a debug port is very annoying
2012-11-20T18:18:26 < jpa-> because of the reconnects
2012-11-20T18:18:37 < zyp> write an application that will try to reopen the port when the device is reconnected
2012-11-20T18:18:50 < LongChair> yeah that is what I will have to do :p
2012-11-20T18:19:25 < jpa-> or just don't waste time trying to debug using usb cdc; debug with a separate serial port adapter and then do final tests with the actual usb connection
2012-11-20T18:19:45 < zyp> or debug with your debugger :p
2012-11-20T18:20:27 < LongChair> i'm opted for debugging with the debugger, this usblink is more a configuration connection
2012-11-20T18:21:02 < jpa-> obviously; i mean don't use the usb serial connection when debugging the app, use an usart
2012-11-20T18:21:31 < LongChair> yep
2012-11-20T18:22:24 < LongChair> by the way one small question. Is it possible to have the board behave at the same time like a Mass storage and a VCP ?
2012-11-20T18:22:32 < zyp> sure
2012-11-20T18:22:48 < LongChair> i'll need to dig into the mass storage samples then
2012-11-20T18:22:53 < Claude> google : composite device
2012-11-20T18:23:18 < zyp> you just add a mass storage interface descriptor along with the CDC descriptors
2012-11-20T18:23:46 < LongChair> i'll check this out
2012-11-20T18:24:11 < zyp> on windows you probably also want to use IAD to seperate/group them, to simplify the inf/driver stuff
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2012-11-20T18:33:12 < LongChair> last question i'd have is , is there an entry point on board side to detect a connection from the host side ?
2012-11-20T18:33:17 < LongChair> in the VCP mode
2012-11-20T18:33:41 < zyp> what do you mean?
2012-11-20T18:33:52 < LongChair> when PC application is opening comport
2012-11-20T18:34:04 < LongChair> is there a way to be aware of this on chip side
2012-11-20T18:34:31 < zyp> depends a bit on your host driver and application
2012-11-20T18:34:53 < LongChair> host driver is st standard VCP driver
2012-11-20T18:35:37 < zyp> http://bin.jvnv.net/f/gffMk.png <- I get commands for control line state and line coding when I open my stuff on my computer
2012-11-20T18:35:42 < zyp> but I'm not running windows
2012-11-20T18:35:48 < zyp>  so I have no idea what it does
2012-11-20T18:36:53 < LongChair> ok
2012-11-20T18:38:21 < zyp> remember that you are emulating a traditional serial port
2012-11-20T18:39:12 < zyp> which don't really have any way of knowing whether it's connected or not, except for the DTR/RTS lines
2012-11-20T18:39:47 < zyp> the control line state emulates that mechanism, so it's up to your host driver/application to use it properly
2012-11-20T18:43:39 < LongChair> ok
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2012-11-20T19:27:06 < cdh> LongChair - if you have a relationship with ST, ask for the STM32_F2xx_USB_Composite_HID_CDC_v0.0.1 demo.  It is a composite device which integrates a HID with a VCP.  I started with this and adapted it to be a VCP with a proprietary bulk transport.
2012-11-20T19:31:14 < zyp> gsmcmullin, do you happen to be around, or is this the wrong time of the day for you to be awake?
2012-11-20T19:31:55 < LongChair> cdh : ok thanks
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2012-11-20T19:46:35 < gsmcmullin> zyp: I'm half awake.
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2012-11-20T19:48:39 < cdh> LongChair - I also recommend what jpa said -- using a UART is way simpler.  You can pick up a device which you can connect to a couple pins on your F4 disco pretty cheap:http://www.ebay.com/itm/FTDI-Basic-Breakout-USB-TTL-ASP-6-PIN-3-3-5V-for-Arduino-MWC-MultiWii-IMU-/261055693347?pt=LH_DefaultDomain_0&hash=item3cc821c223
2012-11-20T19:51:09 < zyp> gsmcmullin, I'm observing a problem where gdb hangs (100% cpu usage) when I'm trying to print a non-8-byte aligned string literal through BMP, printing from ELF before attaching to target works fine, target memory looks fine, are you interested in helping me figure out what is going on?
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2012-11-20T19:52:07 < zyp> same problem observed on both gdb-7.3.1 and 7.4.1
2012-11-20T19:53:35 < zyp> http://paste.jvnv.net/view/cykEJ <- gdb locks up when executing that last command there
2012-11-20T19:54:23 < zyp> skipping four bytes and printing from 0x8000fd8 also works fine
2012-11-20T19:57:23 < ds2> zyp: what is the interface to the board?
2012-11-20T19:58:08 < zyp> BMP
2012-11-20T19:58:26 < ds2> BMP provides a native gdb server?
2012-11-20T19:58:30 < zyp> yes
2012-11-20T19:59:02 < gsmcmullin> zyp: I'll get mine hooked up in a moment and see if I can reproduce it.
2012-11-20T19:59:02 < ds2> nevermind. no insight there
2012-11-20T19:59:07 < ds2> (no pun intended)
2012-11-20T19:59:30 < LongChair> cdh : agreed
2012-11-20T20:00:13 < zyp> gsmcmullin, thanks, do you want the .elf I'm using?
2012-11-20T20:00:50 < zyp> if so, you'll find it at http://bin.jvnv.net/f/q1nK5/demo_bug.elf
2012-11-20T20:00:58 < gsmcmullin> Thanks
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2012-11-20T20:18:06 < gsmcmullin> zyp: It seems to be working for me.
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2012-11-20T20:18:35 < gsmcmullin> (gdb) p (char*)0x8000fd4
2012-11-20T20:18:35 < gsmcmullin> $1 = 0x8000fd4 "handle_setup, bmRequestType=%02x, bRequest=%\374O"
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2012-11-20T20:20:08 < zyp> umm, the string should end with %02x
2012-11-20T20:22:17 < gsmcmullin> Ok. I see that.  Looking into it now.
2012-11-20T20:27:33 < zyp> what happens in my case is probably that the terminating zero is corrupted, so it gets stuck trying to determine how long the string is and fetch everything
2012-11-20T20:32:40 < gsmcmullin> I guess so.
2012-11-20T20:34:03 < karlp> doh, milled out a pcb for this rfid chip, put the spacing between the breakouts at 150mil instead of 300mil. dumb
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2012-11-20T21:05:22 < gsmcmullin> zyp: "Automatic address increment is only guaranteed to operate on the bottom 10-bits of the address held in the TAR." from ADIv5 spec.  I'll fix this in a moment.
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2012-11-20T21:06:48 < zyp> ah, great
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2012-11-20T21:11:20 < TitanMKD> hello
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2012-11-20T21:27:30 < zyp> heh, one gets surprisingly far by just returning all zeros to all scsi commands requesting data
2012-11-20T21:27:46 < zyp> suddenly I have stuff enumerating as /dev/disk2
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2012-11-20T21:50:27 < l4cr0ss> https://my.st.com/public/STe2ecommunities/mcu/Lists/STM32Discovery/Flat.aspx?RootFolder=%2fpublic%2fSTe2ecommunities%2fmcu%2fLists%2fSTM32Discovery%2fFrustrating%20I2C%20Problem%20STM32L-Discovery&FolderCTID=0x01200200770978C69A1141439FE559EB459D75800084C20D8867EAD444A5987D47BE638E0F&currentviews=8
2012-11-20T21:51:11 < l4cr0ss> sorry, meant to preface that with something
2012-11-20T21:51:52 < l4cr0ss> I have been having this problem for about two weeks. I am trying to get my STM32l discovery board to talk on an I2C bus and I'm at a dead end. If anyone is familiar with the protocol and relevant libraries, i'd very much appreciate help
2012-11-20T21:52:03 < l4cr0ss> I wrote about the specifics and posted it at that link, on the stm32 forums
2012-11-20T21:57:38 < karlp> cdh: this is even cheaper: http://www.ebay.com/itm/1pcs-USB-2-0-to-TTL-UART-6PIN-Module-Serial-Converter-CP2102-STC-new-/110954294607?pt=LH_DefaultDomain_0&hash=item19d5642d4f
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2012-11-20T22:22:49 < ntfreak> gsmcmullin: IIRC it is 12bits for M3 and 10 for pretty much most others (M0/A8 etc)
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2012-11-20T22:29:34 < Laurenceb_> http://ifpl.cattech.org/showmap.html
2012-11-20T22:29:37 < Laurenceb_> oh shit
2012-11-20T22:29:49 < Laurenceb_> at least im a long way away
2012-11-20T22:30:17 < Laurenceb_> http://ifpl.cattech.org/
2012-11-20T22:30:57 < zyp> http://bin.jvnv.net/f/ueczE.png <- maybe I should start selling trolldisks
2012-11-20T22:31:06 < BrainDamage> I don't see a huge dot over cjbeard's general area
2012-11-20T22:31:33 < Laurenceb_> haha EB
2012-11-20T22:35:46 < Erlkoenig> "Ekstern"? :D
2012-11-20T22:36:46 < zyp> external
2012-11-20T22:37:10 < zyp> it's usb after all :p
2012-11-20T22:38:55 < Erlkoenig> great way to spell that :D
2012-11-20T22:39:22 < zyp> we spell everything great in norway
2012-11-20T22:39:25 < zyp> :p
2012-11-20T22:39:42 < BrainDamage> how do you spell, "crazy high life cost" ? :p
2012-11-20T22:40:15 < Erlkoenig> verdammt hohe lebenshaltungskosten
2012-11-20T22:40:36 < zyp> hmm
2012-11-20T22:40:58 < zyp> I'd just say «jævla dyrt»
2012-11-20T22:41:08 < zyp> which translates to «fucking expensive»
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2012-11-20T22:44:49 < zyp> I'm not sure about the life cost part of it, because even though everything is fucking expensive, I believe we earn enough to afford it
2012-11-20T22:49:24 < BrainDamage> it wasn't a serious comment in the first place, and personally I'd love a "virtual currency" where the exchange rated is set by average wage vs average life cost in a country
2012-11-20T22:51:13 < Erlkoenig> pay in Big Mac's, via the Big Mac Index
2012-11-20T22:51:14 < karlp> no! my arbitrary unit is more bettah than  your arbitrary unit!
2012-11-20T22:51:21 < zyp> heh
2012-11-20T22:51:55 < karlp> ok, fixed the rfid breakout, feel suitably silly.
2012-11-20T22:52:08 < karlp> now on to fixing all the dumb drill sizes on the other board
2012-11-20T22:52:15 < HTT-Bird> BrainDamage: yes
2012-11-20T22:52:24 < HTT-Bird> those sorts of statistics would be awesome
2012-11-20T22:52:40 < HTT-Bird> a great foil to people going on and on and on about wages in various parts of the world
2012-11-20T22:53:32 < karlp> then there's the weird shit of, "I get paid less, and I can buy less for it, but my quality of life is higher because I'm happier"
2012-11-20T22:53:53 < HTT-Bird> yeah, that ability to be content in an empty room
2012-11-20T22:54:21 < BrainDamage> that tough is not very quantifiable
2012-11-20T22:54:27 < karlp> indeed.
2012-11-20T22:54:36 < karlp> so I'll happily take wht can be quantified.
2012-11-20T22:59:03 < gsmcmullin> zyp: I think I've fixed it.  Please try my last commit.
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2012-11-21T00:40:12 < a2cypher> Hello.   I'm having an issue with newlib and CodeSourcery GCC running on a cortex-m4.    Anybody care to help ?
2012-11-21T00:41:27 < a2cypher> I have defined the stubs for newlib and my program compiles and links fine.   When running it though, whenever I try and call a newlib function, ie printf or malloc, it hard faults.
2012-11-21T00:41:45 < a2cypher> However, if I use a math function from libm.a it works no problem .
2012-11-21T00:42:06 < a2cypher> and it never seems to actually call my stubs.  It doesnt seem to get that far.
2012-11-21T00:49:17 < emeb> "CodeSourcery GCC running on a cortex-m4" you're running GCC on an M4? How'd you do that?
2012-11-21T00:49:38 < a2cypher> ...
2012-11-21T00:49:41 < dongs> sup IT guys
2012-11-21T00:49:54 < emeb> yo dongs.
2012-11-21T00:50:06 < dongs> i think crapboards done today or so
2012-11-21T00:50:13 < emeb> kewl
2012-11-21T00:50:43 < a2cypher> emeb:  what do you mean?   I just run the compiler with proper flags, such as -mcpu=cortex-m4
2012-11-21T00:51:09 < BrainDamage> he was joking
2012-11-21T00:51:18 < zyp> a2cypher, it can be caused by several reasons
2012-11-21T00:51:36 < a2cypher> BrainDamage:  you promised they would be nice in here. lol
2012-11-21T00:51:37 < zyp> like linking in the wrong library version
2012-11-21T00:51:54 < BrainDamage> you're getting your answer!
2012-11-21T00:51:56 < a2cypher> yeah.
2012-11-21T00:52:19 < a2cypher> the way I determine which one to link is with arm-none-eabi-gcc ${CFLAGS} -print-file-name=libc.a
2012-11-21T00:52:31 < zyp> uh
2012-11-21T00:52:37 < a2cypher> but I have manually tried changing the path to several different versions of it in the directory with no success
2012-11-21T00:52:41 < zyp> which one do you end up with?
2012-11-21T00:52:56 < zyp> multilib is supposed to select the right one for you automatically
2012-11-21T00:53:27 < a2cypher> if I let it choose, it picks: /opt/CodeSourcery/arm-2011.03/arm-none-eabi/lib/libc.a
2012-11-21T00:53:45 < a2cypher> and libm.a in the same directory.
2012-11-21T00:54:20 < a2cypher> but I have also tried it with /opt/CodeSourcery/arm-2011.03/arm-none-eabi/lib/thumb/libc.a and thum2/libc.a
2012-11-21T00:54:44 < Laurenceb_> funtimes
2012-11-21T00:54:46 < a2cypher> I also tried compiling my own version of newlib with the same flags as my application with the same results.
2012-11-21T00:54:53 < Laurenceb_> trying to make linkers and gcc work
2012-11-21T00:55:00 < dongs> i suggest switching to keil/armcc asap
2012-11-21T00:55:20 < a2cypher> is that a free and/or OS compiler?
2012-11-21T00:55:31 < dongs> clearly not, which is why it actually works.
2012-11-21T00:55:35 < a2cypher> lol.
2012-11-21T00:55:47 < a2cypher> I have the same toolchain working quite well on a cortex m3.
2012-11-21T00:55:53 < a2cypher> with newlib working fine
2012-11-21T00:57:11 < dongs> 2011.03 sounds fucking old.
2012-11-21T00:57:18 < dongs> have you tried the other gcc everyone in here recomends?
2012-11-21T00:57:21 < dongs> the shit off launchpad
2012-11-21T00:57:27 < dongs> https://launchpad.net/gcc-arm-embedded
2012-11-21T00:58:00 < zyp> agreed, use that
2012-11-21T00:58:21 < dongs> Could anyone give the starters a getting-start document?
2012-11-21T00:58:22 < dongs> Posted on 2012-11-01
2012-11-21T00:58:29 < zyp> :p
2012-11-21T00:58:46 < a2cypher> I'll take a look.
2012-11-21T00:59:07 < a2cypher> I believe 2011.03 was the latest from codesourcery.
2012-11-21T00:59:17 < dongs> thats not the point.
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2012-11-21T01:00:35 < zyp> delete codesourcery shit, install the toolchain from launchpad, retry
2012-11-21T01:00:41 < a2cypher> oky doky
2012-11-21T01:01:04 < a2cypher> shouldnt take too long I'll let you know in a couple mins if it works
2012-11-21T01:02:07 < dongs> couple mins? I guess you aren't on gentoo
2012-11-21T01:02:13 < a2cypher> nope
2012-11-21T01:02:22 < a2cypher> I'm just downloading the binary version
2012-11-21T01:04:44 < a2cypher> new compiler gives identical fault.
2012-11-21T01:05:01 < a2cypher> it must be a problem with my linker script or startup code, or newlib stubs or something .
2012-11-21T01:06:55 < zyp> I suggest reading SCB_CFSR to check what is triggering the hardfault
2012-11-21T01:07:48 < zyp> you can do that by doing «x/wx 0xe000ed28» in gdb
2012-11-21T01:08:16 < zyp> http://infocenter.arm.com/help/topic/com.arm.doc.dui0553a/Cihcfefj.html <- then you can interpret the result according to this
2012-11-21T01:09:41 < zyp> linking in the wrong library variant would usually cause an INVSTATE
2012-11-21T01:10:16 < a2cypher> CFSR = 0x8200
2012-11-21T01:10:41 < zyp> busfault
2012-11-21T01:10:51 < zyp> PRECISERR, BFARVALID
2012-11-21T01:11:29 < a2cypher> just saw that.
2012-11-21T01:11:38 < zyp> in other words, something is accessing an invalid memory address
2012-11-21T01:12:03 < zyp> SCB_BFAR contains the address in question
2012-11-21T01:12:07 < a2cypher> the address being accessed is 0x103EA89
2012-11-21T01:12:26 < zyp> that's clearly invalid
2012-11-21T01:12:35 < a2cypher> how do I track down where that came from ?
2012-11-21T01:12:49 < zyp> what happens if you do a backtrace in gdb?
2012-11-21T01:13:05 < zyp> does your gdb handle tracing back through exception entry?
2012-11-21T01:13:05 < a2cypher> I'm not using gdb.  havent managed to get it to work yet.
2012-11-21T01:13:19 < zyp> well, whatever debugger you are using then
2012-11-21T01:13:20 < a2cypher> the info I gave you I dump in the exception handler
2012-11-21T01:13:24 < zyp> ah
2012-11-21T01:13:46 < a2cypher> I have an .lst file
2012-11-21T01:14:11 < zyp> then I suggest also dumping the stacked return value
2012-11-21T01:14:24 < zyp> then you can look up that address in the listing
2012-11-21T01:15:32 < a2cypher> the PC and return values both contain 0
2012-11-21T01:15:49 < zyp> huh?
2012-11-21T01:15:51 < dongs> if y ou arent using gdb wtf are you using
2012-11-21T01:16:11 < zyp> dongs, he said he's printing from the hardfault handler
2012-11-21T01:16:16 < dongs> oh
2012-11-21T01:16:21 < dongs> lol, printf debugging
2012-11-21T01:16:29 < dongs> back2arduino4u
2012-11-21T01:16:41 < a2cypher> yeah, I'll probably have to figure out how to get my gdb working.
2012-11-21T01:16:50 < dongs> no, that should be your first priority.
2012-11-21T01:16:53 < zyp> a2cypher, return addr being 0 is not possible
2012-11-21T01:16:55 < dongs> not "probably"
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2012-11-21T01:20:29 -!- DaKu is now known as daku
2012-11-21T01:23:54 < dongs> ordering some stm8 trash from waveshare, what else to pick up hmm
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2012-11-21T01:25:15 < BrainDamage> arduino
2012-11-21T01:25:23 < BrainDamage> for blogging pourposes
2012-11-21T01:25:34 < dongs> i think i already have an Arduino Pro
2012-11-21T01:25:51 < dongs> i couldnt get the regular one cuz that wasnt pro enough
2012-11-21T01:25:52 < dongs> http://arduino.cc/en/Main/ArduinoBoardPro
2012-11-21T01:27:32 < emeb> what does Pro mean? "Higher margins for us"?
2012-11-21T01:28:04 < ds2> stm8? heheh
2012-11-21T01:28:07 < ds2> why?
2012-11-21T01:28:16 < dongs> using it in stuff.
2012-11-21T01:28:36 < dongs> smartcard controller in one shit and pwm generation in another
2012-11-21T01:28:46 < dongs> they're like 90c/piece
2012-11-21T01:28:50 < dongs> cant go wrongwith that
2012-11-21T01:28:50 < ds2> why not use a SiLabs 8051 instead?
2012-11-21T01:28:54 < ds2> it is an 8051
2012-11-21T01:28:57 < dongs> because 8051 is fucking trash
2012-11-21T01:29:01 < dongs> and peripherals blow
2012-11-21T01:29:08 < dongs> stm8 has almost same peripherals as stm32
2012-11-21T01:29:11 < ds2> isn't the stm8 an 8051?
2012-11-21T01:29:13 < dongs> no
2012-11-21T01:29:18 < ds2> what core is it?
2012-11-21T01:29:19 < dongs> its some oddball core
2012-11-21T01:29:23 < dongs> ST7 or someshit
2012-11-21T01:29:37 < ds2> hmmm... my bad then..thought it was an 8051 core
2012-11-21T01:29:41 < dongs> nop
2012-11-21T01:29:51 < dongs> there's not even an opensores compiler for stm8
2012-11-21T01:29:58 < dongs> so its perfect for commercial development.
2012-11-21T01:30:12 < ds2> blah
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2012-11-21T01:30:31 < ds2> except for maybe armcc, proprietary compilers suck
2012-11-21T01:31:00 < dongs> http://www.embeddedinsights.com/epd/stmicro/stmicro-stm8-a-l-s.php
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2012-11-21T01:34:04 < dongs> anyway it does the job for what its designed for.
2012-11-21T01:36:27 < dongs> http://www.wvshare.com/product/Core210.htm
2012-11-21T01:36:29 < dongs> is this lunix?
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2012-11-21T01:39:09 < emeb> says "supports android", so kinda linux.
2012-11-21T01:39:49 < ds2> isn't that the hummingbird?
2012-11-21T01:40:59 < zyp> cortex-a8
2012-11-21T01:41:21 < zyp> not extremely exciting
2012-11-21T01:42:11 < zyp> probably on par with the allwinner stuff
2012-11-21T01:43:16 < karlp> what compiler do you use for stm8 dongs?
2012-11-21T01:44:20 < karlp> who on earth is cosmic?
2012-11-21T01:44:27  * karlp knows nuthin
2012-11-21T01:48:57 <+dekar__> I'd imagine android being a pain for embedded stuff, it randomly kills applications that are out of focus :/
2012-11-21T01:49:17 < karlp> depends on what you mean by "embedded"
2012-11-21T01:49:19 < dongs> karlp: yea them
2012-11-21T01:49:30 < karlp> and whether that actually matters if they get restarted again when they're needed again
2012-11-21T01:49:38 < dongs> some french fucks
2012-11-21T01:49:54 < karlp> who was looking for bluetooth low energy stuff? http://www.low-powerdesign.com/121115-product-preapproved-blutooth-low-energy.html
2012-11-21T01:50:02 <+dekar__> karlp, how do you start them again once they're dead?
2012-11-21T01:50:18 < karlp> taht all depends doesn'tit?
2012-11-21T01:50:27 <+dekar__> karlp, how about flying thing autopilot
2012-11-21T01:50:51 < karlp> so, "I'd imagine android being a pain for autopilots"
2012-11-21T01:50:51 <+dekar__> would suck to have them randomly fall out of mid-air :D
2012-11-21T01:51:09 <+dekar__> karlp, for most use cases actually
2012-11-21T01:51:23 < karlp> phones don't count as embedded anymore?
2012-11-21T01:51:38 < karlp> pos terminals don't count as embedded?
2012-11-21T01:51:41 <+dekar__> I mean use cases where you don't care about your application getting killed are pretty rare
2012-11-21T01:51:44 < dongs> yeah, since i upgraded my htc sensation to assdroid 4 (an official update i might say), the fucking thing will randomly kill launcher if I open too many browser windows or too many apps  etc
2012-11-21T01:51:59 < dongs> so i press home button and i stare at HTC background for 20 seconds while shit relaunches
2012-11-21T01:52:03 < dongs> fucking useless trash
2012-11-21T01:52:10 <+dekar__> karlp, c'mon, name a few more XD
2012-11-21T01:52:30 <+dekar__> dongs, I really don't get why they don't ask you what to close :/
2012-11-21T01:52:38 < karlp> I don't feel I need to name any more. I think your statement was overly broad :)
2012-11-21T01:52:52 < dongs> dekar__: its actually typical lunix trash
2012-11-21T01:52:57 < dongs> they're just using kernel OOM handler, lol
2012-11-21T01:53:01 <+dekar__> karlp, yeah cause you found _two_ cases that would work XD
2012-11-21T01:53:07 < dongs> i remember looking at the logs and oom just randomly killing shit off.
2012-11-21T01:53:14 <+dekar__> dongs, nope, not the kernel one
2012-11-21T01:53:15 < zyp> dongs, pretty sure they are not
2012-11-21T01:53:19 <+dekar__> it's userspace stuff
2012-11-21T01:53:39 < dongs> well thats what i saw in logs, shrug. i dont care enough. all i know it pisses the fuck out of me when I need to use my phone NOW and the fucking thing is rebooting to launcher
2012-11-21T01:53:42 <+dekar__> karlp, ofc android works for phones, I mean it was designed to be used like that
2012-11-21T01:53:52 < zyp> the auto killing stuff is only relevant for stuff running under dalvik or whatever
2012-11-21T01:54:00 < karlp> yeah, but you made a statement that basically said phones weren't embedded.
2012-11-21T01:54:35 <+dekar__> karlp, you knew the context which was: http://www.embeddedinsights.com/epd/stmicro/stmicro-stm8-a-l-s.php
2012-11-21T01:54:44 <+dekar__> ohm, that other thing
2012-11-21T01:54:50 < dongs> http://www.wvshare.com/product/CY7C68013A-USB-Board-type-A.htm ooooooooooooo
2012-11-21T01:54:57 <+dekar__> karlp, http://www.wvshare.com/product/Core210.htm
2012-11-21T01:54:58 <+dekar__> that one
2012-11-21T01:55:01 < zyp> I do lowlevel android shit for a living, we don't worry about being killed automatically :p
2012-11-21T01:55:15 <+dekar__> karlp, have fun building a phone from that particular board
2012-11-21T01:55:17 < dongs> ^ assdroid developer
2012-11-21T01:56:00 <+dekar__> zyp, well you could always load a kernel module *cough*
2012-11-21T01:56:08 <+dekar__> zyp, is there a way to turn it off?
2012-11-21T01:56:16 < karlp> I completely uninterested in trying to build a phone on tha tboard, that was never my point, that's you trying to dig out :)
2012-11-21T01:56:29 < zyp> no idea, I don't have anything to do with anything related to dalvik
2012-11-21T01:56:35 <+dekar__> karlp, troll somewhere else
2012-11-21T01:57:03 < karlp> me? you're the one who said, "android sucks for embedded" I just said that was overly broad.
2012-11-21T01:57:11 < dongs> http://www.wvshare.com/product/4x4-Keypad.htm should i get this
2012-11-21T01:57:22 <+dekar__> karlp, so you're suggesting that board is suited for phones?
2012-11-21T01:57:28 < dongs> http://www.wvshare.com/product/Capacitive-Touch-Keypad.htm or this
2012-11-21T01:57:37 < dongs> i might need to try out capsense for the monitor stuff.
2012-11-21T01:58:07 < zyp> the userspace stuff I work with is running as services under init
2012-11-21T01:58:24 <+dekar__> karlp, I agree that it is usable on phones, but you knew the context of my statement
2012-11-21T01:59:21 < dongs> http://www.wvshare.com/img/preview/FT245-USB-FIFO-Board-mini_l.jpg how do i bridged
2012-11-21T01:59:43 <+dekar__> zyp, back on android 1.X I could just mount a swapfile and nothing got killed anymore
2012-11-21T01:59:57 <+dekar__> but that doesn't work for android >1.6
2012-11-21T02:01:06 < zyp> I know nothing about that part either
2012-11-21T02:01:30 <+dekar__> what kind of stuff are you doing on android?
2012-11-21T02:02:04 < zyp> drivers and stuff for ST-Ericsson hardware
2012-11-21T02:02:55 < dongs> sounds like lunix kernel filthj
2012-11-21T02:03:39 < zyp> I'm mostly working on stuff in userspace
2012-11-21T02:07:14 < dongs> k ordered some more cp2102 and capsense pcb.
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2012-11-21T02:17:16 < dongs> http://en.wikipedia.org/w/index.php?title=Dong_people&diff=513948989&oldid=513447039#Notable_Dongs
2012-11-21T02:17:19 < dongs> haha
2012-11-21T02:17:26 < dongs> this article seems to be under constant trolling
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2012-11-21T02:21:52 < BrainDamage> "Christopher Sudo Apt-Get " I lol'd
2012-11-21T02:34:38 <+dekar__> I wonder how much time was wasted due to wikipedia trolls
2012-11-21T02:36:00 < zyp> collectively? probably insignificant compared to the time collectively saved by wikipedia being around
2012-11-21T02:38:28 < karlp> heh, who was it that had used pc13/14/15 without looking at their output drive differences?
2012-11-21T02:38:32  * karlp joins the club
2012-11-21T02:38:47 < zyp> that's you and emeb now
2012-11-21T02:40:33 < karlp> it was such a convenient place on the board!
2012-11-21T02:41:26 < dongs> ^ blame emeb
2012-11-21T02:41:44 < dongs> zyp: wikipedo saving time? no way.
2012-11-21T02:41:57 < dongs> isnt like 90% of content on it trolling
2012-11-21T02:42:05 < dongs> and im being pretty generous wiht that number
2012-11-21T02:42:08 < zyp> no.
2012-11-21T02:42:11 < dongs> really
2012-11-21T02:44:42 < emeb> karlp: it'll still work if your LEDs don't need much current.
2012-11-21T02:44:50 <+dekar__> dongs, you forgot that it's opensores and runs on lunix
2012-11-21T02:45:27 < emeb> I'm using a blue LED w/ a Vf = 2.6V. If ~1.8ma and it's fine.
2012-11-21T02:46:12 < ds2> 9
2012-11-21T02:46:25 < dongs> PC13-15 are such shitty pins to use for leds too, since t hat makesthem unusable for gpio
2012-11-21T02:46:31 < dongs> better use shit like leftovers of jtag pins
2012-11-21T02:46:36 < dongs> that you will never use anyway wiht swd
2012-11-21T02:46:39 < emeb> pulls Voh down from 3.3V to 3.24V
2012-11-21T02:46:43 < ds2> you can keep a process alive indefinitely in android
2012-11-21T02:46:45 < dongs> then you arent actually wasting anything
2012-11-21T02:48:10 <+dekar__> what's up with those PC13-15 pins? are all stm32 affected? why are they different?
2012-11-21T02:48:22 < emeb> dongs: but the "leftover jtag" pins do have a lot of other alternate functions.
2012-11-21T02:48:35 < emeb> whereas PC13-15 don't.
2012-11-21T02:49:41 < zyp> I'm using my PC13-15 for bitbanging cpld jtag
2012-11-21T02:49:45 < zyp> on my F4 board
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2012-11-21T02:51:26 <+dekar__> I am using PC13 to read some status pin, didn't have any problems so far
2012-11-21T02:53:49 < emeb> wonder if the 3ma current limit has any effect on risetime?
2012-11-21T02:56:00 < karlp> emeb, nah, heaps of space elsewhere, just finished moving it.
2012-11-21T02:56:12 < dongs> dekar__: their only AF is RTC crystal
2012-11-21T02:56:13 < karlp> think it must be about ready to send off.
2012-11-21T02:56:19 < dongs> dekar__: to do that, they're connected through analog switch
2012-11-21T02:56:24 < dongs> to gpio
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2012-11-21T02:56:31 < dongs> that switch cant source/sink too much current.
2012-11-21T02:56:54 < dongs> i think it does have some rise/fall time limits
2012-11-21T02:57:06 < dongs> i re member reading you shouldn't set drive to faster than 2mhz on those.. maybe. i duno.
2012-11-21T02:57:35 <+dekar__> guess I should be glad speed isn't important on my board :)
2012-11-21T03:01:53 <+dekar__> "PC13, PC14, PC15 and PI8 are supplied through the power switch. Since the switch only sinks a limited amount of current
2012-11-21T03:01:53 <+dekar__> (3 mA), the use of GPIOs PC13 to PC15 and PI8 in output mode is limited: the speed should not exceed 2 MHz with a
2012-11-21T03:01:53 <+dekar__> maximum load of 30 pF and these I/Os must not be used as a current source (e.g. to drive an LED)."
2012-11-21T03:03:04 < dongs> ok, so i was right
2012-11-21T03:03:46 < dongs> i dont usually read shit, but when i do, i remember it.
2012-11-21T03:04:27 <+dekar__> yes you were :)
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2012-11-21T03:52:23 < dongs> attn zyp Share this with your friends, get a $5 coupon!
2012-11-21T03:53:04 -!- |sark [~|sark@p54B642B0.dip.t-dialin.net] has joined ##stm32
2012-11-21T03:59:37 < dongs> routing this fucking usb hub is a bitch
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2012-11-21T04:14:47 < dongs> anyone got any 2l shit to merge thats interesting?
2012-11-21T04:15:22 < dongs> actually nvr mind ill resubmit my dp adapter with proper footprint :p
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2012-11-21T05:04:13 < ds2> weeeeeeeeeeeeeeeeee
2012-11-21T05:04:27 < ds2> apparently the hotair reflowed LSM303DLHC works
2012-11-21T05:11:45 < zippe> Hey, zyp
2012-11-21T05:12:09 < zippe> Is there a license of any sort associated with laks / suzumebachi / whatever you call it now?
2012-11-21T05:20:41 -!- BrainDamage [~BrainDama@dynamic-adsl-94-36-220-61.clienti.tiscali.it] has quit [Quit: Leaving.]
2012-11-21T05:21:31 < dongs> GNU buttlicense
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2012-11-21T06:00:48 < dongs> looks like gnd via stuff has been fixed in dicktrace
2012-11-21T06:00:56 < dongs> once i assign them they don't lose thier net even if I refresh from schema
2012-11-21T06:00:59 < dongs> less work for me!
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2012-11-21T06:12:17 < baird> The next post ending in 0 tells me what to order next from E14..
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2012-11-21T06:16:02 < dongs> dongs
2012-11-21T06:16:42 < dongs> does E14 stock dongs
2012-11-21T06:18:09 < baird> No results found for "dongs", we searched for "longs" \ 887 Product results found for “longs”
2012-11-21T06:18:36 < baird> O_O ... 138 Product results found for “dragon dildoes”
2012-11-21T06:19:29 < emeb> schlongs?
2012-11-21T06:19:39 < emeb> (double-fisted)
2012-11-21T06:22:26 < baird> http://i.imgur.com/Qvpbv.png
2012-11-21T06:22:50 < baird> Nah, I'm good, Mate.
2012-11-21T06:24:07 < emeb> hilarious
2012-11-21T06:24:35 < dongs> haha
2012-11-21T06:27:38 -!- ReggieUK [~ReggieUK@5aca5630.bb.sky.com] has quit []
2012-11-21T06:31:34 < emeb> "Given that the Intel board isn’t firing itself, I expect they’ll hire another bad executive to replace Otellini and Intel’s fall will continue. It’s still a rich and profitable company and can go a decade or more with a cargo cult corporate culture based on hope that desktops will return."
2012-11-21T06:36:02 < dongs> haha, plz
2012-11-21T06:36:11 < dongs> if anyone's dying in CPU space its AMD
2012-11-21T06:37:10 < emeb> full article: http://www.cringely.com/2012/11/20/while-the-intel-board-was-firing-paul-otellini-they-should-have-fired-themselves-too/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+ICringely+%28I%2C+Cringely%29
2012-11-21T06:37:19 < ds2> x86 is dead
2012-11-21T06:37:28 < emeb> his point is that intel hasn't been able to get into mobile.
2012-11-21T06:37:56 < emeb> x86 isn't dead, but it's not growing into new markets. Stop growing and eventually you'll die.
2012-11-21T06:38:28 < ds2> x86 is dead.
2012-11-21T06:38:51 < emeb> what's alive?
2012-11-21T06:39:00 < ds2> anything else :D
2012-11-21T06:39:14 < emeb> 8051
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2012-11-21T07:20:18 < dongs> http://i.imgur.com/0IutN.png biggest waste of space evar
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2012-11-21T07:26:41 < emeb_mac> what is it?
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2012-11-21T07:31:26 < dongs> useless shit
2012-11-21T07:32:17 < baird> lol. Some Australian retailers tried to drive customers to their shitty online webstores with a wannabe 'Cyber Tuesday' promotion ("Click Frenzy") .. Cartel Billionaries used their ties to the media to get unlimited media promotion over the past week.. And of course, it all falls down harder than the first Raspberry Pi sale, across like a dozen retailers. http://www.smh.com.au/technology/technology-news/click-frenzy-a-mega-tech-
2012-11-21T07:32:18 < baird> fail-the-online-bonanza-that-became-nothing-of-the-sort-20121121-29p67.html
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2012-11-21T07:32:40 < baird> http://www.smh.com.au/technology/technology-news/click-frenzy-a-mega-tech-fail-the-online-bonanza-that-became-nothing-of-the-sort-20121121-29p67.html  (fixed)
2012-11-21T07:33:49 < zippe> emeb: very definitely not dead
2012-11-21T07:33:56 < dongs> click frenzy? waht the efuck
2012-11-21T07:35:21 < zippe> baird: so very happy I'm not in the .au online biz
2012-11-21T07:35:32 < emeb_mac> zippe: not yet at least. :)
2012-11-21T07:35:43 < zippe> baird: it's all breathairianists and such crap
2012-11-21T07:36:05 < zippe> emeb_mac: Their roadmap to 14nm is very, very interesting
2012-11-21T07:36:40 < dongs> the only people talking shit about intel dying are bloggers and retards who think iPhone is a good enough computer for general purpose tasks
2012-11-21T07:36:51 < dongs> (which also includes bloggers)
2012-11-21T07:40:38 < baird> zippe: tell me about it.
2012-11-21T07:45:48 < baird> I've gone to two companies where the management-retard-stench what that obvious once getting a look-in, I had to do a 360 and walk the other way.. "Everyone there needs a head-butt."
2012-11-21T07:50:19 < baird> One of them was Netcomm-- the modem/telecomm company. Late 1994, and going to see them about 'sponsorship' (officialy) for the proto AU Internet backbone, unofficially about the idea of their being investors in a commercial backbone.
2012-11-21T07:52:00 < dongs> didnt netcom BSD years ago
2012-11-21T07:52:23 < baird> It was a typical Australian Business--  sovent because it sold highly profitable hardware, but grossly incompetant outside of the Engineering dept.
2012-11-21T07:52:32 < baird> dongs: you're thinking of netcom.com, the ISP in the States
2012-11-21T07:52:36 < dongs> yeah
2012-11-21T07:52:37 < dongs> different shit?
2012-11-21T07:53:05 < dongs> silly ausfags wiht same names
2012-11-21T07:53:15 < baird> Yup. Netcomm are http://www.netcommwireless.com/
2012-11-21T08:00:56 < emeb_mac> dongs: boards back today?
2012-11-21T08:01:11 < dongs> oh let me see
2012-11-21T08:03:11 < dongs> looks like tomroorw am
2012-11-21T08:03:17 < emeb_mac> cool
2012-11-21T08:03:58 < emeb_mac> I'll do the remaining documentation tomorrow morning.
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2012-11-21T08:14:19 < dongs> not sure if i'll have time to get to it until weekend anyway
2012-11-21T08:14:34 < dongs> need to assemble and test laurenceb clonelogger shit
2012-11-21T08:15:02 < dongs> plus do a power supply for that big waste of space board
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2012-11-21T08:18:28 < emeb_mac> yup. I need to order parts tho.
2012-11-21T08:25:31 < baird> I saw the Space Brothers live-action movie last night. Get on my Level.
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2012-11-21T09:05:39 < zippe> flyback: My Little Monster and SAO are both amusing me lately
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2012-11-21T09:13:56 < dongs> zippe and zyp, anniemay duo of stm32#
2012-11-21T09:14:21 < zyp> huh?
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2012-11-21T09:16:52 < zyp> zippe, I havent picked one, but I'm thinking something bsd-ish
2012-11-21T09:19:44 < jpa-> i wonder what would happen if i tried to use boost::bind on an stm32 :)
2012-11-21T09:20:25 < zyp> since I don't consider it «production quality code» or something like that yet, users who care about licensing should probably not use it yet anyway :p
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2012-11-21T09:58:02 < zippe> zyp: no worries; just had some people interested in the i2c code
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2012-11-21T11:26:48 < jpa-> float math in interrupt handler; now i'll see if nuttx handles the fpu properly or not (i don't know how context saving for FPU registers during interrupts is supposed to work)
2012-11-21T11:28:54 < dongs> on stm32?
2012-11-21T11:29:07 < dongs> if they didnt save fpu context the shit would crash anyway  w/floats enabled right away.
2012-11-21T11:29:15 < dongs> so if it gets that far,its working.
2012-11-21T11:30:04 < zyp> arm has a nice appnote for that
2012-11-21T11:30:55 < zyp> http://infocenter.arm.com/help/topic/com.arm.doc.dai0298a/index.html
2012-11-21T11:33:12 < dongs> ur a lazy stacker
2012-11-21T11:34:56 < zyp> if the floating point context is active, hardware will store s0-s15 registers along with the other caller-save registers upon interrupt entry, and compiler is supposed to store s16-s31 before using them (callee save)
2012-11-21T11:37:11 < zyp> so you shouldn't really have to care any more than you would about normal registers, which means not having to care at all
2012-11-21T11:38:02 < zyp> except for the context switch between threads, but that's not strictly related to float usage in ISRs
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2012-11-21T11:43:25 < jpa-> zyp: ah, nice
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2012-11-21T11:43:47 < jpa-> yeah, context switch between threads is ok; but i was worried if ISR usage required something more
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2012-11-21T11:45:26 < zyp> the lazy stacking part is also nice, because it means that the space for s0-s15 is just reserved until you actually execute a floating point instruction
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2012-11-21T11:45:47 < zyp> saving the time for saving/restoring fpu registers for ISRs that don't use the fpu
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2012-11-21T13:00:28 < dongs> http://25.media.tumblr.com/tumblr_mdssfwqQBN1qbe80yo1_400.jpg
2012-11-21T13:00:29 < dongs> ahah
2012-11-21T13:02:19 < baird> lol
2012-11-21T13:02:21 < baird> LOL
2012-11-21T13:02:59 < baird> ROFL
2012-11-21T13:03:36 < baird> The last one kinda of died post-2000...
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2012-11-21T13:21:45 < karlp> stack ALLLL the things! http://www.kickstarter.com/projects/fairduino/smartduino-open-system-by-former-arduinos-manufact
2012-11-21T13:22:24 < jpa-> lol, my application crashed  http://paste.dy.fi/63b/plain   and then i had to reflash the device o_O  just rebooting didn't do anything anymore
2012-11-21T13:22:38 < baird> Using the MS Impact font: bad idea
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2012-11-21T13:23:35 < baird> tarduino, now with extra tard
2012-11-21T13:23:41 <+Steffanx> Who you do that jpa- ?
2012-11-21T13:24:16 <+Steffanx> *how
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2012-11-21T13:26:58 < baird> Why does that KS page constantly harp on thinking that Arduinos are for /products/...
2012-11-21T13:27:47 < jpa-> Steffanx: no idea
2012-11-21T13:28:17 < jpa-> it has a memory leak, heap fills up; but no idea why it would corrupt the flash
2012-11-21T13:28:27 < jpa-> i don't even write to flash anywhere in the program
2012-11-21T13:29:26 <+Steffanx> Sounds great
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2012-11-21T13:44:03 < zyp> jpa-, in theory you shouldn't be able to do anything to flash without unlocking it with the key registers
2012-11-21T13:44:29 < zyp> did you try dumping flash contents with a debugger?
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2012-11-21T13:51:47 < jpa-> zyp: i did not
2012-11-21T13:52:01 < jpa-> at first i suspected a hardware failure, but reflashing brought it back
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2012-11-21T13:56:15 < dongs> http://vimeo.com/52163179
2012-11-21T13:56:16 < dongs> LOLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL x 10000
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2012-11-21T14:38:54 < Claude> https://lh5.googleusercontent.com/-3Qgm2ZAfenk/TiOZQnODcUI/AAAAAAAAHKk/lovWVUMWDfw/033.JPG
2012-11-21T14:44:16 < baird> Seems legit
2012-11-21T14:44:27 <+Steffanx> You forgot your sarcastic-LOL tag dongs
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2012-11-21T16:55:12 < dongs> http://www.huffingtonpost.co.uk/2012/09/08/iran-media-claims-zionists-spreading-homosexuality_n_1867056.html
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2012-11-21T17:13:21 < emeb_mac> those naughty, naughty zionists.
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2012-11-21T17:24:37 < zyp> I love that TI includes cables with their kits
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2012-11-21T17:37:29 < zyp> hmm, neat, the debugger part includes an ACM interface for a serial bridge, hooked to one uart
2012-11-21T17:40:30 < Laurenceb_> in b4 tarduino
2012-11-21T17:41:05 < Laurenceb_> is this the "16bit adc" stellaris?
2012-11-21T17:41:44 < zyp> no idea
2012-11-21T17:41:51 < zyp> lm4f120xl
2012-11-21T17:42:33 < Laurenceb_> apparently its more like 13bit
2012-11-21T17:42:52 < zyp> sorry, it's lm4f120h5qr, actually
2012-11-21T17:43:17 < zyp> it's the board that is named ek-lm4f120xl
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2012-11-21T18:16:03 < a2cypher> hey
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2012-11-21T18:16:46 < a2cypher> I was here yesterday with a hardfault problem when trying to use newlib.    The resounding opinion was to get gdb working first.   I've done that and am back.
2012-11-21T18:17:02 < jpa-> so you have a backtrace?
2012-11-21T18:17:16 < a2cypher> I have it haulted at the point where it trys to jump to puts
2012-11-21T18:17:20 < a2cypher> and that is where it exactly crashes.
2012-11-21T18:17:38 < jpa-> disassemble
2012-11-21T18:17:55 < a2cypher> the instruction is bl 13c8.  and when I look at address 13c8 in my lst it looks fine, but it never makes it there
2012-11-21T18:18:13 < zyp> huh?
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2012-11-21T18:18:35 < jpa-> what is SYSCFG->CFSR value after the crash?
2012-11-21T18:19:36 < zyp> yesterday it was PRECISERR, BFARVALID
2012-11-21T18:19:37 < a2cypher> CFSR = 8200
2012-11-21T18:19:42 < zyp> yep, that.
2012-11-21T18:19:43 < a2cypher> its the same error
2012-11-21T18:19:56 < jpa-> what about the SYSCFG->BFAR?
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2012-11-21T18:20:06 < a2cypher> 103ea89
2012-11-21T18:20:28 < jpa-> is your stack pointer wrong?
2012-11-21T18:20:36 < jpa-> try   p /x $sp  before the jump
2012-11-21T18:21:15 < jpa-> ah.. but no, why would bl access the stack
2012-11-21T18:21:28 < zyp> it doesn't
2012-11-21T18:21:33 < a2cypher> (gdb) p /x $sp
2012-11-21T18:21:34 < a2cypher> $1 = 0x20007fcc
2012-11-21T18:21:34 < jpa-> yeah, thought error
2012-11-21T18:21:39 < jpa-> are you doing "stepi" or "step" when you go into the jump?
2012-11-21T18:21:43 < a2cypher> step
2012-11-21T18:21:51 < a2cypher> I can stepi
2012-11-21T18:21:51 < jpa-> try    display /i $pc   and stepi
2012-11-21T18:23:09 < a2cypher> ok.. it made it into <puts>  now I'll let you know where it faults
2012-11-21T18:25:39 < a2cypher> ok.. error happens in _puts_r+22
2012-11-21T18:26:14 < zyp> that doesn't tell us anything without your assembly listing, please pastebin it
2012-11-21T18:26:36 < a2cypher> how do I set a breakpoint at a specific instruction?
2012-11-21T18:27:02 < zyp> type the address of it
2012-11-21T18:27:32 < a2cypher> when I do that it looks for a function name
2012-11-21T18:27:49 < zyp> break 0x1234
2012-11-21T18:27:57 < zyp> should work nicely
2012-11-21T18:28:14 < a2cypher> b *0x1234 seems to work
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2012-11-21T18:31:59 < zyp> gsmcmullin, I tested your change now, appears to have fixed the problem
2012-11-21T18:32:08 < a2cypher> lst here: http://pastebin.com/hycY4BqH
2012-11-21T18:32:10 < zyp> so thanks again
2012-11-21T18:32:56 < a2cypher> offending instruction is at 137e on line 2399
2012-11-21T18:33:23 < zyp> 7e?
2012-11-21T18:33:31 < a2cypher> 0x137E
2012-11-21T18:33:48 < a2cypher> ldr r3, [r3, #8]
2012-11-21T18:34:03 < zyp> yes, right
2012-11-21T18:34:15 < a2cypher> and r3 contains 0x103ea81
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2012-11-21T18:34:51 < zyp> ok, let's figure out what is going on here
2012-11-21T18:35:08 < a2cypher> its getting the results from <strlen> maybe
2012-11-21T18:35:30 < a2cypher> shoot.. meeting.  I'll be back in half an hour or so
2012-11-21T18:37:33 < jpa-> here is puts_r from newlib source  http://paste.dy.fi/qMD
2012-11-21T18:37:52 < zyp> the value in r3 is read from 0x20000430
2012-11-21T18:38:00 < jpa-> yeah
2012-11-21T18:40:45 < jpa-> http://paste.dy.fi/Rlv/plain   i think it is the ORIENT (stdout, -1);
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2012-11-21T18:50:20 < jpa-> disassembly without and with C source lines (not exactly same compiler version) http://paste.dy.fi/RF4/plain
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2012-11-21T18:52:34 < jpa-> too bad that gcc sucks at connecting the disassembler lines to source lines
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2012-11-21T18:56:29 < emeb> it sucks badly at that.
2012-11-21T18:58:17 < jpa-> a2cypher: anyway, seems that the global stdout structure is somehow not initialized properly
2012-11-21T18:58:40 < jpa-> a2cypher: because it contains garbage value, i think your crt0 is not properly initializing .bss or .data
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2012-11-21T19:06:14 < jpa-> (just be happy that it wasn't a null pointer; then it would have read the address from 0x0000, where is the initial stack pointer, which conveniently points to ram, where it would find a bunch of other totally wrong but valid pointers to mess with)
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2012-11-21T19:09:19 < emeb> DK still out of stock on 3.2mm x 5.0mm 8MHz xtals - due 11-24
2012-11-21T19:10:26 < emeb> TXC parts that is. Abracon in stock but 2x more expensive.
2012-11-21T19:14:00 < zyp> expensive enough for it to matter?
2012-11-21T19:14:28 < Posterdati> hi
2012-11-21T19:15:04 < emeb> Not really. $1.30 vs $0.60 @ qty 10.
2012-11-21T19:15:42 < emeb> probably just wait until next week to order. No rush.
2012-11-21T19:15:45 < zyp> huh
2012-11-21T19:15:51 < zyp> which ones by the way?
2012-11-21T19:16:05 < zyp> http://www.digikey.com/product-detail/en/7B-8.000MAAJ-T/887-1452-1-ND/2627020 <- this is the ones I've been using
2012-11-21T19:16:23 < emeb> TXC parts: http://www.digikey.com/scripts/DKSearch/dksus.dll?Detail&itemSeq=122151917&uq=634890925999592675
2012-11-21T19:16:29 < emeb> (same ones on BMPM)
2012-11-21T19:16:42 < zyp> your url doesn't work for me
2012-11-21T19:17:00 < emeb> Try this P/N 887-1448-1-ND
2012-11-21T19:17:34 < emeb> Abracon version: 535-10630-1-ND
2012-11-21T19:17:37 < zyp> ah, different pad layout
2012-11-21T19:17:45 < emeb> yeah - 2 pin vs 4 pin
2012-11-21T19:18:19 < zyp> same size though
2012-11-21T19:18:45 < emeb> yup, but won't work on the current layout I did for BMPM & F3 breakout.
2012-11-21T19:19:38 < zyp> ah, I didn't mean it like that
2012-11-21T19:19:49 < emeb> right.
2012-11-21T19:20:44 < a2cypher> jpa-:  my startup routine initializes bss to 0,  not sure its doing anything with .data
2012-11-21T19:21:03 < emeb> just putting together the BOMs for the BMP2 & F3 breakout.
2012-11-21T19:21:17 < zyp> a2cypher, it needs to copy initial .data contents from flash
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2012-11-21T19:22:50 < a2cypher> looks like my startup is initializing data, but maybe the linker script is giving it the wrong addresses
2012-11-21T19:22:54 < cdh> a2cyper - can you pastebin your startup routine?
2012-11-21T19:23:09 < a2cypher> yeah, one sec
2012-11-21T19:23:59 < a2cypher> http://pastebin.com/yRYj4gMS
2012-11-21T19:25:59 < a2cypher> here is my ld script:  http://pastebin.com/jHSdXQLB
2012-11-21T19:26:37 < cdh> a2cypher - we should try to make sure your _end_text symbol matches the data load address.
2012-11-21T19:26:47 < zyp> today's fun: http://bin.jvnv.net/f/UWX2Z.JPG
2012-11-21T19:27:12 < a2cypher> zyp:   thats the board i'm using.
2012-11-21T19:27:27 < zyp> I just got mine today
2012-11-21T19:27:29 < a2cypher> i'm using the icdi  provided by the usb though
2012-11-21T19:27:43 < a2cypher> openocd
2012-11-21T19:27:54 < zyp> I'm not interested in wasting time on that
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2012-11-21T19:29:32 < cdh> a2cypher: Please do the following (substitute your object):  nm obj.elf | grep _end_text ; readelf -a obj.elf | grep 0x20000000
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2012-11-21T19:31:42 < a2cypher> 00002bc0 T _end_text
2012-11-21T19:31:42 < a2cypher>   LOAD           0x010000 0x20000000 0x00003708 0x00844 0x00884 RW  0x8000
2012-11-21T19:33:39 < jpa-> a2cypher: doing    p *stdout   as soon as you are inside puts (with stepi) might give something useful
2012-11-21T19:34:10 < a2cypher> no symbol in current context
2012-11-21T19:34:49 < jpa-> too bad
2012-11-21T19:35:11 < a2cypher> hold on.. lemme try that again.  I was in _puts_r not puts
2012-11-21T19:35:34 < jpa-> it may be that you have no debug symbols for newlib
2012-11-21T19:35:40 < zyp> also, try: x/w 0x20000430
2012-11-21T19:36:41 < jpa-> or actually   x /16x *(uint32_t*)0x20000430
2012-11-21T19:36:50 < a2cypher> 0x20000430:	0x0103ea81
2012-11-21T19:36:52 < a2cypher> thats the first one
2012-11-21T19:37:05 < zyp> ah, of course
2012-11-21T19:37:07 < jpa-> ah, indeed
2012-11-21T19:37:14 < zyp> because it reads #8
2012-11-21T19:37:20 < a2cypher> second one no symbol 'uint32_t" in current context
2012-11-21T19:37:26 < jpa-> so actually already 0x20000430 is wrong
2012-11-21T19:37:39 < zyp> x/w 0x20000438
2012-11-21T19:37:53 < a2cypher> 0x20000438:	0xebd4bfc2
2012-11-21T19:37:54 < jpa-> zyp: no, ldr     r3, [r3, #0]
2012-11-21T19:38:13 < a2cypher> the instruction it fails on was ldr r3, [r3, #8]
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2012-11-21T19:38:19 < zyp> jpa-, ah
2012-11-21T19:38:24 < zyp> well, ok
2012-11-21T19:38:42 < a2cypher> which makes it try to jump to 0x103ea89
2012-11-21T19:38:50 < jpa-> a2cypher: try readelf -a obj.elf | grep 20000438
2012-11-21T19:38:50 < zyp> not jump, read from
2012-11-21T19:39:30 < a2cypher> oh, sorry, right.    jpa: nothing found
2012-11-21T19:39:50 < jpa-> a2cypher: does your build generate a .map file that you could post somewhere?
2012-11-21T19:40:06 < a2cypher> doesnt seem to generate a .map
2012-11-21T19:40:17 < a2cypher> is there a switch for that to ld ?
2012-11-21T19:41:41 < jpa-> yeah, -Map=foo.map  (or -Wl,-Map=foo.map if you are not calling ld directly)
2012-11-21T19:43:59 < jpa-> (actually readelf -t  information could also be useful to see what section 0x20000430 is in)
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2012-11-21T19:44:56 < cdh> I'd also like to see the map and compare "load address" with _end_text
2012-11-21T19:47:16 < a2cypher> map: http://pastebin.com/unAHSNhE
2012-11-21T19:48:55 < a2cypher> try now,  I forgot to fill in captcha
2012-11-21T19:48:58 < cdh> The .data load address and the _end_text symbol are nowhere near the same address.
2012-11-21T19:49:25 < jpa-> huh, 0x20000438  seems to be some malloc stuff
2012-11-21T19:50:20 < cdh> When the program is getting linked, there is other stuff getting inserted in the rom area before the rom copy of the data.
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2012-11-21T19:51:37 < cdh> Try moving the _end_text definition out of the .text section to immediately before the .data section.  It should then look like this:  _end_text = ALIGN(8);
2012-11-21T19:51:50  * jpa- remembers how freaking difficult this all is and runs away screaming
2012-11-21T19:52:28 < a2cypher> ie, remove _end_text = .;  and add _end_text = ALIGN(8);  after }>FLASH ?
2012-11-21T19:52:56 < cdh> yep, right
2012-11-21T19:54:19 < a2cypher> it seems to have no effect, still halts.  do you want me to repost .map ?
2012-11-21T19:55:17 < a2cypher> updated map: http://pastebin.com/L5QFCqQr
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2012-11-21T19:56:17 < cdh> Thanks for the updated map.  Crap.  They still don't match:
2012-11-21T19:56:25 < cdh> .data           0x20000000      0x844 load address 0x00003708
2012-11-21T19:56:26 < cdh>                 0x000034a8                _end_text = ALIGN (0x8)
2012-11-21T19:56:57 < cdh> jpa: I agree ld makes this stuff much more painful than it should have to be
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2012-11-21T19:57:19 < TitanMKD> hello
2012-11-21T19:58:01 < a2cypher> looking at another .ld script for a different processor,  I see  . = ALIGN(4) in the .text section before the _end_text = .;
2012-11-21T19:58:11 < a2cypher> maybe I should try that ?
2012-11-21T19:58:50 < cdh> a2cypher: I don't think that'll make a difference in this case.  There is another section the linker is inserting between _end_text and the start of data
2012-11-21T19:59:22 < cdh> Looking at the map, this appears to be .rodata
2012-11-21T19:59:58 < cdh> How about changing the following line:
2012-11-21T20:00:05 < cdh>         *(.rodata.*)      /* Read only data.  */
2012-11-21T20:00:10 < cdh> to this:
2012-11-21T20:00:15 < cdh>         *(.rodata*)      /* Read only data.  */
2012-11-21T20:00:36 < a2cypher> so just add a .
2012-11-21T20:00:43 < a2cypher> er. remove a dot
2012-11-21T20:00:48 < cdh> No, remove the dot....yeah
2012-11-21T20:01:00 < a2cypher> what about the . on (.text.*) above?
2012-11-21T20:02:12 < a2cypher> still faults.  would you like map?   Also, I removed the other change.  should I try both changes at the same time ?
2012-11-21T20:02:39 < cdh> Yeah, can I see the map?  You likely need both changes.
2012-11-21T20:03:25 < a2cypher> HAZAA! great success
2012-11-21T20:03:35 < a2cypher> both changes seems to have fixed my printf
2012-11-21T20:03:45 < a2cypher> I'll post map if your interested still one sec.
2012-11-21T20:04:16 < cdh> Nah, if it works, I'm happy.
2012-11-21T20:04:18 < a2cypher> new map: http://pastebin.com/xW0wiXZj
2012-11-21T20:04:47 < a2cypher> I hate linker scripts.   Can you help me to understand what difference the changes to the .LD made?
2012-11-21T20:05:19 < a2cypher> I should send the changes back to the guy who made the linker script
2012-11-21T20:05:31 < cdh> Yeah.  This one burned me in the past, which is why I was able to help you here.  It took me about a day of pounding my head on the desk before I realized what was happening, and then I felt really dumb.
2012-11-21T20:05:44 < cdh> Look in the map file for "load address"
2012-11-21T20:06:10 < cdh> This line gives you two things -- the SRAM address where the .data area will land, and the source address in flash.
2012-11-21T20:06:46 < cdh> Your rst_handler() function is copying from the symbol _end_text into _start_data.
2012-11-21T20:07:27 < cdh> We need to verify _start_data is the same as the SRAM address where the .data will land, and we need to verify _end_text matches the source address in flash.
2012-11-21T20:07:28 < a2cypher> right.
2012-11-21T20:07:40 < a2cypher> I see 0x844 load address 0x00003708
2012-11-21T20:08:02 < a2cypher> 0x844 is the offset into ram at 0x20000000
2012-11-21T20:08:12 < a2cypher> correct ?
2012-11-21T20:08:49 < cdh> The 0x844 is the size of the area.
2012-11-21T20:09:57 < cdh> When we started, _start_data was correct (0x20000000), so that wasn't a problem.
2012-11-21T20:10:08 < a2cypher> ok.
2012-11-21T20:10:22 < a2cypher> but _end_data was not 0x20000844 ?
2012-11-21T20:11:00 < cdh> _end_text wasn't correct.  I jumped to an incorrect conclusion that it just wasn't aligned on an 8-byte boundary, which I know the ARM linker prefers to start sections at.  This is what bit me before with the libopencm3 .ld script.
2012-11-21T20:11:31 < emeb> Updated F3 breakout webpage w/ new schematic & bom: http://ebrombaugh.studionebula.com/embedded/stm32f373breakout/index.html
2012-11-21T20:12:04 < emeb> New BMP2 webpage with schematic & bom: http://ebrombaugh.studionebula.com/embedded/bmp2/index.html
2012-11-21T20:12:26 < cdh> Even after the alignment fix, they were still pretty far off (load address 0x00003708 vs _end_text address 0x000034a8)
2012-11-21T20:12:31 < a2cypher> well, in any case, thanks very much for your help!   You too jpa- and zyp
2012-11-21T20:14:51 < cdh> So then I looked at the map file following _end_text and I saw a bunch of sections the linker was throwing in there:  .glue_7 .glue_7t  .vfp11_vener .v4_bx .rodata
2012-11-21T20:15:12 < cdh> They were all zero size except .rodata.
2012-11-21T20:15:24 < a2cypher> right
2012-11-21T20:15:43 < a2cypher> so _end_text wasnt including .rodata ?
2012-11-21T20:15:59 < cdh> Once you fixed the .rodata wildcard in the .text section, that moved .rodata to be included there, so then it was before _end_text.
2012-11-21T20:16:25 < cdh> Yep, you're right.  _end_text wasn't including .rodata, so there was an address gap between _end_text and the load address from flash.
2012-11-21T20:17:11 < cdh> This is a really crappy feature of LD that they could have fixed just by allowing a syntax which allows variables to be defined from not only the destination address, but from the "AT" address as well.
2012-11-21T20:18:21 < cdh> For example, if there were a syntax:   variable = AT(.) that could be dropped in the .data section, then everyone could more easily write linker scripts.
2012-11-21T20:18:32 < zyp> huh?
2012-11-21T20:19:40 < zyp> cdh, http://cgit.jvnv.net/laks/tree/ld_scripts/arm_flash_ram.ld <- see _data_rom vs _data_start
2012-11-21T20:19:46 < zyp> that's LMA and VMA, respectively
2012-11-21T20:20:24 < cdh> zyp: Yeah,. your linker script works, but it's got the same problem.
2012-11-21T20:20:30 < zyp> which problem?
2012-11-21T20:20:45 < emeb> So here's a process question: How many take the time to got through their GPIO and pull all unused pins to a known state?
2012-11-21T20:21:03 < cdh> Remove this: *(.rodata) and the script fails.
2012-11-21T20:21:16 < emeb> On the latest project we saw Idd drop by about 30ma when we did this.
2012-11-21T20:21:52 < zyp> cdh, why?
2012-11-21T20:22:11 < cdh> zyp: If ld provided a way for you to instead move the PROVIDE(_data_rom = .); inside the .data, then you would be guaranteed that ld didn't insert some junk between the PROVIDE statement and the .data section.
2012-11-21T20:22:30 < zyp> is it allowed to?
2012-11-21T20:22:58 < cdh> Apparently it think's it's allowed to.  That's what it did to screw over a2cypher today.
2012-11-21T20:23:26 < a2cypher> =(  silly LD scripts
2012-11-21T20:23:26 < cdh> ^think's^thinks
2012-11-21T20:23:38 -!- prog` is now known as prog
2012-11-21T20:24:10 < zyp> cdh, well, what you are asking for then is LOADADDR() to get the LMA of a section
2012-11-21T20:24:46 < zyp> PROVIDE(_data_rom = LOADADDR(.data)); or something like that
2012-11-21T20:25:05 < zyp> it goes hand in hand with ADDR() for getting the VMA
2012-11-21T20:25:39 < cdh> zyp: if that works, then that's totally awesome!
2012-11-21T20:27:06 < zyp> I assume it works, it's documented to do that: http://sourceware.org/binutils/docs/ld/Builtin-Functions.html
2012-11-21T20:27:35 < cdh> Works like a champ: 0x0000000008030ea0                _data_rom = LOADADDR (.data)
2012-11-21T20:28:02 < cdh> Here's what I added in my .data section:  _data_rom = LOADADDR(.data);
2012-11-21T20:28:45 < zyp> so in other words, you ought to read the documentation before complaining about missing features that's actually present
2012-11-21T20:29:37 < cdh> a2cypher: This is a better solution.  Tell whoever you got your .ld script from to stop using _etext as the copy from address and instead use the above in the .data section.
2012-11-21T20:30:21 < cdh> zyp: It's far easier to throw a fit and wait for you to find the correct answer.
2012-11-21T20:30:23 < a2cypher> hrm..
2012-11-21T20:30:39 < a2cypher> I'll give that a go
2012-11-21T20:30:40 < zyp> cdh, hah :p
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2012-11-21T20:44:51 < a2cypher> welp.. now i'm getting another hardfault when I try running printf with actual data in it.   back to the gdb
2012-11-21T20:49:44 < a2cypher> it gets through the printf, calls memmove() and crashes.  Then in my hard fault handler, it cant get past
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2012-11-21T20:51:53 < a2cypher> in gdb, how do I print out an arbitrary memory address?   p *0xE000ED28 ?
2012-11-21T20:52:24 < zyp> d
2012-11-21T20:52:38 < zyp> no, x
2012-11-21T20:52:50 < zyp> (short for examine)
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2012-11-21T20:53:36 < Erlkoenig> x/16xw $pc          e.g. prints 16 words(of 32bit) in hexadecimal, starting at the adress the stack pointer is pointing to
2012-11-21T20:55:08 < Erlkoenig> i've drawn me a cheatsheet with adress of CFSR and layout of the stack upon exception entry... :D
2012-11-21T20:55:40 < zyp> why not write a script to pretty-print/decode it?
2012-11-21T20:55:58 < a2cypher> so if I want to print CFSR, I can do  x/16xw 0xE000ED28  ?
2012-11-21T20:56:13 < zyp> I've been thinking about something like that myself, but nowadays I'm not finding myself debugging hardfaults very often, so I haven't bothered yet
2012-11-21T20:56:17 < a2cypher> this time the error is 0x8600
2012-11-21T20:58:35 < a2cypher> bus fault  with both imprec and prec bits set..
2012-11-21T20:58:56 < zyp> sounds fun
2012-11-21T20:58:56 < zyp> :p
2012-11-21T20:59:37 < zyp> hmm, does anybody have a working .elf that can be flashed to stellaris launchpad, that does something cool?
2012-11-21T20:59:53 < a2cypher> stellarisware comes with a bunch
2012-11-21T21:00:03 < a2cypher> I like qs-rgb  myself, makes the rgb led cycle through colours
2012-11-21T21:00:14 < zyp> that's what it's shipped with?
2012-11-21T21:00:16 < a2cypher> and you can connect by usb and type in RGB codes and stuff.
2012-11-21T21:00:19 < a2cypher> yeah.
2012-11-21T21:00:46 < Erlkoenig> (19:55:41) zyp: why not write a script to pretty-print/decode it? <-- hmm to easy :D
2012-11-21T21:01:15 < Erlkoenig> however, letting gdb do the pretty printing "natively" would probably be a better solution
2012-11-21T21:01:30 < zyp> the scriptability of gdb is nice
2012-11-21T21:01:39 < zyp> I love my log-reading script
2012-11-21T21:03:42 < a2cypher> ok.. fixed it again.  turns out I also had the wrong version of libc
2012-11-21T21:04:08 < TitanMKD> a2cypher using libc for embedded stuff is a very bad practice ;)
2012-11-21T21:04:29 < a2cypher> it was more of a challenge to see if I can get it running.  I didnt really need it.
2012-11-21T21:06:48 < zyp> don't care too much about what TitanMKD is saying, he tends to have a bunch of opinions without a solid foundation :p
2012-11-21T21:06:49 < a2cypher> why do you say its bad practice anyways?  just bloated?    Wouldnt it make sense to use it while developing for fancy printf and working malloc when needed, and then remove it for release code?
2012-11-21T21:07:17 < a2cypher> also, if I have lots of extra flash, it shouldnt matter much for size.
2012-11-21T21:10:09 < TitanMKD> a2cypher it is just for realtime stuff libc is really not adapted and also not reentrant on lot of api functions
2012-11-21T21:14:55 < jpa-> it's not bad practise
2012-11-21T21:15:11 < jpa-> it's just a bad libc ,)
2012-11-21T21:15:52 < jpa-> (i'm very biased, but https://github.com/PetteriAimonen/Baselibc  everything re-entrant, everything fits well on embedded, everything is poorly tested)
2012-11-21T21:16:45 < zyp> a2cypher, where do I find those elf files you mentioned?
2012-11-21T21:17:03 < jpa-> TitanMKD: also not all embedded stuff is realtime
2012-11-21T21:17:26 < a2cypher> http://www.ti.com/mcu/docs/mcuorphantoolsw.tsp?sectionId=632&orphantabId=8
2012-11-21T21:17:42 < a2cypher> SW-DK-EM2-2560B  I believe
2012-11-21T21:18:15 < a2cypher> wait.. that might be the wrong one .. hold on
2012-11-21T21:18:54 < a2cypher> this is the one: http://www.ti.com/tool/sw-ek-lm4f120xl
2012-11-21T21:19:12 < a2cypher> the first download on that page
2012-11-21T21:19:47 < zyp> thanks
2012-11-21T21:21:21 < zyp> uh, the site is broken
2012-11-21T21:22:09 < zyp> do you have the archive? can you upload it somewhere for me? (e.g. bin.jvnv.net)
2012-11-21T21:22:19 < a2cypher> works for me.
2012-11-21T21:22:37 < a2cypher> you need to go through a registration process with TI..
2012-11-21T21:22:43 < a2cypher> lemme see if I still have it
2012-11-21T21:22:44 < zyp> I know, I'm registered
2012-11-21T21:23:02 < zyp> but I need to fill out an export approval form, and after doing that, it's getting a 404
2012-11-21T21:24:05 < a2cypher> sorry, I dont have the original archive any more
2012-11-21T21:24:36 < zyp> well, I don't need the full archive, I just need an elf so I can verify that flashing work :p
2012-11-21T21:24:38 < a2cypher> i'm downloading it again
2012-11-21T21:26:35 < a2cypher> try this: http://bin.jvnv.net/f/DbQn9/qs-rgb.bin
2012-11-21T21:27:30 < zyp> I want the elf, not bin
2012-11-21T21:28:34 < a2cypher> one sec
2012-11-21T21:29:11 < a2cypher> http://bin.jvnv.net/f/91tKP/qs-rgb.axf
2012-11-21T21:29:19 < zyp> thanks
2012-11-21T21:30:03 < a2cypher> btw,  I'm still having issues with my .map I think.    When I added in more of my code, it broke it again.    Looking at the .map I think there is another problem with the LD script
2012-11-21T21:30:45 < zyp> ah, works
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2012-11-21T21:31:23 < a2cypher> anywho.. i'ma go eat something and then worry bout this stupid LD script
2012-11-21T21:31:51 < zyp> http://paste.jvnv.net/view/elGTD :D
2012-11-21T21:32:14 < karlp> well done :)
2012-11-21T21:32:19 < zyp> heh
2012-11-21T21:32:22 < karlp> that's not via the ICDI connector though is it?
2012-11-21T21:32:27 < Laurenceb_> wtf
2012-11-21T21:32:27 < zyp> no
2012-11-21T21:32:32 < karlp> that's via wires into the swd pins on the edge of the two sections?
2012-11-21T21:32:32 < Laurenceb_> ##stm32 is all popular
2012-11-21T21:32:36 < Laurenceb_> whats going on
2012-11-21T21:32:45 < zyp> karlp, http://bin.jvnv.net/f/UWX2Z.JPG
2012-11-21T21:32:47 < Laurenceb_> ill have to move somewhere else
2012-11-21T21:32:52 -!- Irssi: ##stm32: Total of 73 nicks [1 ops, 0 halfops, 2 voices, 70 normal]
2012-11-21T21:32:58 < karlp> zyp: suspected as much :)
2012-11-21T21:32:59 < jpa-> Laurenceb_: popular?
2012-11-21T21:33:08 < karlp> did you have to make a new flash routine?
2012-11-21T21:33:09 < Laurenceb_>  73 poeple
2012-11-21T21:33:49 < zyp> karlp, http://paste.jvnv.net/view/gXzPU
2012-11-21T21:33:53 < zyp> that's all I did :p
2012-11-21T21:34:47 < Laurenceb_> zyp has been busy
2012-11-21T21:34:48 < Laurenceb_> http://www.theregister.co.uk/2012/11/21/sailfish_os_sets_sail/
2012-11-21T21:35:04 < Laurenceb_> runs on novathor
2012-11-21T21:35:24 < zyp> haven't heard about it until now
2012-11-21T21:35:45 < Laurenceb_> thought you worked for st ericsson
2012-11-21T21:35:56 < a2cypher> karlp:  I'm using the icdi with openocd
2012-11-21T21:36:31 < zyp> well, I haven't really had anything to do with the novathor stuff
2012-11-21T21:37:47 < karlp> zyp: oh, I didn't know there was already lmXs support in BMP
2012-11-21T21:38:15 < karlp> a2cypher: yeah, but I don't use openocd, and I knew zyp didn't either :)
2012-11-21T21:38:29 < a2cypher> ah..
2012-11-21T21:39:01 < a2cypher> there was a tool to try and make it work without openocd, but I couldnt get it to work right.  Now i just start openocd and then connect with gdb as a remote target
2012-11-21T21:39:06 < zyp> I noticed that the chip used for icdi announces a dfu interface
2012-11-21T21:39:53 < karlp> a2cypher: lucky you, you have a gdb that works with openocd
2012-11-21T21:40:24 < a2cypher> its the one that comes with the compiler..  arm-none-eabi-gdb
2012-11-21T21:40:39 < jpa-> oh, the arm-none-eabi-gdb! why didn't i think of that ,)
2012-11-21T21:41:03 < zyp> http://paste.jvnv.net/view/CStIS
2012-11-21T21:41:17 < zyp> I'm a bit curious about both upload and download being supported
2012-11-21T21:41:42 < a2cypher> I think maybe I should give up on newlib.  I think its trying to use more ram than I have.
2012-11-21T21:41:55 < zippe> a2cypher: newlib doesn't actually use much memory
2012-11-21T21:42:13 < zippe> a2cypher: unless you are running out of code space, it's probably your fault
2012-11-21T21:42:55 < zippe> Fairly easy to work out if you generate a mapfile at link time
2012-11-21T21:43:10 < a2cypher> .data is 0x9f1A length
2012-11-21T21:43:20 < a2cypher> I only have 32kb
2012-11-21T21:44:02 < karlp> what's this axf vs elf naming? is that any requirement? or just the default of some ti tools?
2012-11-21T21:44:13 < a2cypher> some default I think.
2012-11-21T21:44:19 < jpa-> a2cypher: it shouldn't take that much; probably some silly compilation options
2012-11-21T21:44:33 < zippe> a2cypher: sounds like you've screwed up then
2012-11-21T21:44:35 < a2cypher> yeah, lemme change my optimization flag back
2012-11-21T21:44:46 < zippe> a2cypher: I've used newlib with < 2K RAM
2012-11-21T21:44:50 < zyp> karlp, IIRC it's an older format used for arm executables, and some tools just kept the extension when everything moved to elf
2012-11-21T21:44:57 < zippe> a2cypher: before you change anything
2012-11-21T21:45:26 < karlp> garbage collection in the linker?
2012-11-21T21:45:34 < zippe> arm-none-eabi-nm —print-size —size-sort —radix=10 <your elf file"
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2012-11-21T21:46:16 < a2cypher> invalid radix
2012-11-21T21:46:34 < zyp> ah, axf is apparently an acronym for «arm executable format», which may in practice be either elf or aif (whatever that is)
2012-11-21T21:46:35 < zippe> a2cypher: fine, leave the radix argument off
2012-11-21T21:46:59 < zippe> a2cypher: it's probably something stupid like "dec" or whatever
2012-11-21T21:47:03 < a2cypher> ok, what does the output mean?
2012-11-21T21:47:11 < zippe> What it says on the label.
2012-11-21T21:47:21 < zippe> It's telling you how big each of the things in your object file are
2012-11-21T21:47:32 < zippe> So look for the big ones
2012-11-21T21:47:43 < karlp> lots and lots of unwinding bullshit
2012-11-21T21:47:46 < a2cypher> _vfprintf_r is 1880
2012-11-21T21:47:52 < a2cypher> biggest one in there
2012-11-21T21:48:06 < a2cypher> thats 20% of my ram right there
2012-11-21T21:48:17 < zyp> no, flash.
2012-11-21T21:48:20 < zippe> No, that's a text symbol
2012-11-21T21:48:30 < a2cypher> oh. how do I tell which ones are data ?
2012-11-21T21:48:37 < a2cypher> the "D" next to it ?
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2012-11-21T21:49:11 < zippe> Here
2012-11-21T21:49:20 < zippe> arm-none-eabi-nm --print-size --size-sort --radix=dec YOUR_BINARY_HERE  | grep " [dDbB] "
2012-11-21T21:49:34 < zippe> that will give you all of the data/bss symbols
2012-11-21T21:50:10 < a2cypher> grep " [dDbB] " works better
2012-11-21T21:50:29 < a2cypher> biggest is impure_data which is 0x428 size
2012-11-21T21:50:36 < zippe> That's what I typed
2012-11-21T21:50:51 < a2cypher> oh..  missed the quotes when I copied it
2012-11-21T21:51:01 < karlp> is there an easy way to say, "drop all c++ if I didn't actually use it" or does newlib or libm or something use parts of it internally?
2012-11-21T21:51:07 < a2cypher> yeah, and its radix=dec
2012-11-21T21:51:19 < zyp> karlp, huh?
2012-11-21T21:51:24 < zippe> karlp: stuff doesn't normally get linked unless you use it
2012-11-21T21:51:26 < zyp> isn't newlib all C?
2012-11-21T21:51:31 < karlp> all the unwinding things
2012-11-21T21:51:31 < a2cypher> impure_data is 1064 bytes.  __maloc_av_ is 1032 bytes.
2012-11-21T21:51:38 < karlp> isnt' that for c++ exception handling?
2012-11-21T21:52:03 < a2cypher> so I guess i'm not running out of ram.
2012-11-21T21:52:09 < zippe> karlp: If you are seeing unwind crap in your code, that's because you're on an older libgcc that is build with divide-by-zero exception support
2012-11-21T21:52:23 < zippe> a2cypher: you need a map file to know that for sure
2012-11-21T21:52:46 < a2cypher> http://paste.jvnv.net/view/fclIW
2012-11-21T21:53:11 < zippe> karlp: because of the way that libgcc.a is built, if you do any divides that require support (e.g. 64-bit divide) you end up with all the unwinder support
2012-11-21T21:53:34 < zippe> karlp: the most recent ARM-Embedded gcc is patched for this
2012-11-21T21:53:48 < zippe> karlp: I gave esden a patch for S-A-T a long time ago that did the same thing.
2012-11-21T21:54:10 < zippe> It means you won't get /0 exceptions in C++ code, but there you go.
2012-11-21T21:54:27 < zippe> You never did for 32-bit divides anyway
2012-11-21T21:54:54 < karlp> zippe: ahh, thanks. I'm back on the 2012q2 release, I'll try and update and see if it all goes away.
2012-11-21T21:54:57 < karlp> thanks for that
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2012-11-21T21:55:40 < zippe> a2cypher: You are using almost no RAM:
2012-11-21T21:55:40 < zippe>                 0x20000efc                PROVIDE (_HEAP_START, _end_bss)
2012-11-21T21:55:57 < a2cypher> yeah, I was looking at the .text size not the .data size.
2012-11-21T21:56:54 < a2cypher> trying to determine why its faulting this time  I have a while (1) { }; in my code, and if I move it one instruction back the hard fault goes away.   But the odd thing is that it is not faulting at that instruction, but at the first libc call.
2012-11-21T21:57:12 < a2cypher> one line back, rather.
2012-11-21T21:58:28 < karlp> so what's impure_data then?
2012-11-21T21:59:45 < karlp> never mind, https://answers.launchpad.net/gcc-arm-embedded/+question/199930 says they will fix it "soon"
2012-11-21T22:04:06 < a2cypher> zippe:  whats wrong with that line PROVIDE( _HEAP_START, _end_bss )
2012-11-21T22:04:38 < zyp> nothing, but the addr of it supports his statement
2012-11-21T22:04:58 < a2cypher> oh, right.
2012-11-21T22:05:22 < a2cypher> the error i'm getting now is  IBUS error
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2012-11-21T22:11:12 < zippe> You'll need to decode the status registers, but that's probably an alignment error
2012-11-21T22:11:49 < zippe> This will go much more quickly if you have a debugger and you go read the architecture doc sections on exception handling
2012-11-21T22:12:35 < a2cypher> I am and I have
2012-11-21T22:15:40 < a2cypher> bus fault.  it tried to access 0x8d3fb3e
2012-11-21T22:18:58 < a2cypher> occurs in _free_r
2012-11-21T22:19:54 < jpa-> your malloc is busted :)
2012-11-21T22:19:59 < a2cypher>  apparently
2012-11-21T22:20:32 < jpa-> and because it is accessing random memory, random changes to the code may cause the fault to be detected or not detected
2012-11-21T22:20:49 < a2cypher> poop
2012-11-21T22:21:42 < a2cypher> the only thing I need to define to use malloc is _sbrk right ?
2012-11-21T22:22:54 < jpa-> and have working .data initialization
2012-11-21T22:23:14 < a2cypher> so still back to that..  either my _sbrk or my .data initialization is still borked
2012-11-21T22:23:31 < jpa-> probably .data, because sbrk shouldn't that easily access random memory
2012-11-21T22:23:40 < jpa-> unless it is seriously messed up
2012-11-21T22:24:18 < a2cypher> so offending line this time is:  ldr r3, [r3, #4] and  r3 contains 0x8d3fb3a
2012-11-21T22:26:34 < a2cypher> I put a break in my data initialization routine, and when I try and print the value of src  or dest, it says that it was optimized out.
2012-11-21T22:33:37 < a2cypher> after my initialization of data,  src = 0xb2cc and dest=0x20000ca4
2012-11-21T22:33:46 < a2cypher> I'm not sure if src makes sense.
2012-11-21T22:35:10 < zyp> it's a valid flash addr
2012-11-21T22:36:16 < a2cypher> shouldnt it line up with _end_text ?
2012-11-21T22:36:32 < zyp> probably
2012-11-21T22:36:39 < a2cypher> which in my map is a628
2012-11-21T22:37:01 < zyp> well, it would start at _end_text, and then increment while copying
2012-11-21T22:37:17 < a2cypher> shouldnt it be called _start_text then ?
2012-11-21T22:37:30 < zyp> huh
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2012-11-21T23:09:40 < zyp> heh, the LM4F GPIO registers have some fun constructs
2012-11-21T23:11:01 < zyp> data register is mapped to 2**8 different addrs, which mask write access depending on addr
2012-11-21T23:11:42 < zyp> so writing value x to pin n can be done like data[1 << n] = x << n, without affecting the other pins
2012-11-21T23:20:34 < a2cypher> So when loading the data section, why does it start at _end_text?   ie, looking at my lst file, I can see the data from 0x9858 to 0xaab6.    My data loading routine then seems to try and copy data from 0xaab8 (aligned) to 0xb760.
2012-11-21T23:20:57 < a2cypher> It seems to me like this is copying the wrong section from flash
2012-11-21T23:21:25 < zyp> quite possible
2012-11-21T23:23:31 < a2cypher> also, when I look at the .lst there seems to be a bunch of code at the very end.
2012-11-21T23:24:16 < a2cypher> but when I look at all of the example ld scripts, they always start copying from _end_text
2012-11-21T23:24:22 < a2cypher> doesnt make sense to me
2012-11-21T23:24:29 < a2cypher> unless they were going to be decrementing
2012-11-21T23:25:48 < a2cypher>  its sticking some float stuff at the very end of the file.  __aeabi_uidiv
2012-11-21T23:27:26 <+dekar> a2cypher, do you need an example project? https://github.com/EliasOenal/TNT_Example
2012-11-21T23:28:46 < karlp> zyp: is that any different to the bsrr/ bitbanding stuff?
2012-11-21T23:29:50 < zyp> possibility-wise it's not different from bsrr, but it's a different approach
2012-11-21T23:30:12 < zyp> ok, got my first code running on launchpad
2012-11-21T23:30:34 < zyp> http://paste.jvnv.net/view/u92Lo
2012-11-21T23:31:09 < karlp> os::time?
2012-11-21T23:31:10 < zyp> it cycles through all the possible led states
2012-11-21T23:31:13 < karlp> is that laks code?
2012-11-21T23:31:17 < zyp> yes
2012-11-21T23:31:27 < karlp> what's the dmb things?
2012-11-21T23:31:32 < zyp> barrier
2012-11-21T23:31:32 < karlp> memory barrier? for what?
2012-11-21T23:31:58 < zyp> rcgcgpio is the analog of rcc for gpio
2012-11-21T23:32:02 < zyp> turns on gpio clock
2012-11-21T23:32:09 < zyp> can't access gpio registers until that's done
2012-11-21T23:32:21 < karlp> is this just to stop gcc reorganizing the writes?
2012-11-21T23:32:33 < zyp> no, remember pipelining
2012-11-21T23:33:19 < zyp> and it's actually triggering a busfault if you write unclocked peripherals, not silently ignoring it like I'm used to
2012-11-21T23:33:29 < karlp> oh, yeah,
2012-11-21T23:33:36 < zyp> well
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2012-11-21T23:33:44 < karlp> I always forget pipelining
2012-11-21T23:33:48 < zyp> gpio can be accessed both through AHB and APB
2012-11-21T23:33:59 < zyp> it doesn't busfault when accessed through APB
2012-11-21T23:34:21 < karlp> my stellaris board is on the desk too, but all it's done so far is cycle it's little led.
2012-11-21T23:34:31 < zyp> (APB is apparently for compatibility with older chips)
2012-11-21T23:34:34 < karlp> want to get more L1 code working before I play on anything else.
2012-11-21T23:34:45 < karlp> how do you choose how to access it, by using a different address?
2012-11-21T23:34:50 < zyp> yep
2012-11-21T23:35:04 < zyp> reference manual lists both
2012-11-21T23:35:18 < karlp> interesting.
2012-11-21T23:35:27 < karlp> I haven't looked at the ti docs much yet.
2012-11-21T23:38:49 < zyp> my plan now is to figure out a sane way to structure the code for supporting multiple chip vendors
2012-11-21T23:39:17 < zyp> and generalize the parts of it that is stm32-specific
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2012-11-21T23:45:00 < zyp> oh well, now that I have my own code both flashed to and running on the launchpad, I guess that's good enough for today
2012-11-21T23:46:25 < zyp> gsmcmullin, I don't think I highlighted you earlier - the LM3S code works fine for the LM4F, I have it working with only this change: http://paste.jvnv.net/view/gXzPU
2012-11-21T23:47:58 < karlp> you make impressive amounts of progress on a regular basis zyp.
2012-11-21T23:48:03 < karlp> it motivates me.
2012-11-21T23:48:09 < gsmcmullin> zyp: Awesome.  I haven't even checked what other TI devices may work.
2012-11-21T23:49:10 < zyp> karlp, I feel it's just a bunch of small stuff :p
2012-11-21T23:50:05 < karlp> seems to make for more complete small things though
2012-11-21T23:50:48 < zyp> the thing is that everything is so interesting that I'm having problems concentrating on one thing
2012-11-21T23:51:09 < zyp> and I like seeing stuff working, so I usually focus on the visible parts first
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2012-11-21T23:56:57 < a2cypher> dekar:  Thanks.  I blew away my existing LD script and modified that one to work.  I think its working correctly now
2012-11-21T23:58:32 < upgrdman> anyone know of long (wide aspect ratio) SMD zero ohm resistors are available? want to use them as links on a single-sided pcb, so i can run 4 - 6 traces under them
2012-11-21T23:58:53 < ds2> standard sizes should easy to get
2012-11-21T23:58:59 < ds2> how large or small do you need?
2012-11-21T23:59:32 < upgrdman> well i was hoping for maybe 1mm x 8mm or somewhere around there, so i have plenty of room to run traces under them, without taking up much room
2012-11-21T23:59:43 < a2cypher> upgrdman:  check digikey
2012-11-21T23:59:45 < upgrdman> the aspect ratio or normal smd is kinds square-ish
2012-11-21T23:59:54 < upgrdman> of
2012-11-21T23:59:57 < ds2> 0.040 x 0.320? Hmmm
--- Day changed Thu Nov 22 2012
2012-11-22T00:00:00 < zyp> normal smd is usually 1:2
2012-11-22T00:00:04 < ds2> that is huge..
2012-11-22T00:00:23 < upgrdman> ds2: yes, like i said, i want to run 4 - 5 tracks under them
2012-11-22T00:00:29 < upgrdman> (between their pads)
2012-11-22T00:00:32 < ds2> there have low resistance power resistors
2012-11-22T00:00:45 < ds2> you might be able to do 4-5 tracks with 1206 resistors
2012-11-22T00:00:50 < ds2> and use a really wide pad
2012-11-22T00:00:58 < ds2> is this going to be mass produced?
2012-11-22T00:01:02 < upgrdman> no
2012-11-22T00:01:07 < upgrdman> one off, at home photolith
2012-11-22T00:01:13 < ds2> Oh home photo
2012-11-22T00:01:18 < ds2> nevermind that idea
2012-11-22T00:01:20 < upgrdman> i just often find myself needing to jump over several traces
2012-11-22T00:01:26 < upgrdman> and magnet wire works but is a hack
2012-11-22T00:01:40 < ds2> look at the power resistors, they do make them that big but the ones I know of are not 0 but rather like 0.010ohm
2012-11-22T00:01:56 < ds2> or use a through hole 0 ohm
2012-11-22T00:01:57 < upgrdman> k
2012-11-22T00:01:57 < zyp> upgrdman, time to go double sided :)
2012-11-22T00:02:22 < upgrdman> zyp: i know, but some wide aspect ratio zero ohm resistors would save me lots of trouble
2012-11-22T00:02:30 < upgrdman> no vias or PTH crap
2012-11-22T00:03:05 < ds2> what about a SMD jumper?
2012-11-22T00:03:11 < upgrdman> its weird, because i see lots of cheap chineses designed that use f'ing arrays of zero ohm resistors, which 2 or 3 long resistors would make it so much simplier
2012-11-22T00:03:25 < upgrdman> ds2: insulated? i have no solder mask
2012-11-22T00:03:33 < karlp> if it's for one off at home, what's wrong with just wire?
2012-11-22T00:03:59 < ds2> Oh
2012-11-22T00:04:03 < upgrdman> nothing, but i would like to keep it neat looking (relatively... i know its diy photolith...)
2012-11-22T00:04:18 < ds2> u want caveman technology
2012-11-22T00:05:06 < upgrdman> oh yes! smd jumper! thats the phase i needed.
2012-11-22T00:05:07 < upgrdman> thanks
2012-11-22T00:05:39 < upgrdman> phrase
2012-11-22T00:06:46 < ds2> http://www.digikey.com/product-detail/en/Y14880R00100D9R/Y1488-.001ATR-ND/2609902
2012-11-22T00:06:51 < ds2> 0.001 ohm
2012-11-22T00:07:15 < upgrdman> i have no soldermask... that would short out the traces below it
2012-11-22T00:07:31 < ds2> kapton tape
2012-11-22T00:08:16 < upgrdman> too much work
2012-11-22T00:08:19 < upgrdman> :)
2012-11-22T00:08:27 < ds2> so it is lazy caveman ;)
2012-11-22T00:08:39 < upgrdman> smd jumpers it is. looks like lots of good options at my disposal.
2012-11-22T00:09:06 < upgrdman> http://www.hylec-apl.com/Portals/3/Products/PCB_Terminal_Blocks/1179.jpg
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2012-11-22T00:23:07 < a2cypher> upgrdman: I think in general its bad form to run traces beneath jumpers
2012-11-22T00:23:20 < a2cypher> especially with no soldermask
2012-11-22T00:23:49 < a2cypher> you could always just put two pads and connect them with a piece of insulated wire.  wouldnt look terrible, especially on diy board
2012-11-22T00:24:08 < a2cypher> or better yet, just use vias and run the trace on the other side?
2012-11-22T00:24:32 < zyp> what's the point of the jumper if you are not supposed to run traces under it?
2012-11-22T00:24:45 < a2cypher> configuration settings / debugging
2012-11-22T00:24:52 < a2cypher> ie if you want to disable/enable a portion of the circuit
2012-11-22T00:25:05 < a2cypher> i'm refering to the 0 ohm resistor jumpers though.
2012-11-22T00:25:34 < a2cypher> sometimes they are used on power rails so you can remove them and measure current usage
2012-11-22T00:26:11 < upgrdman> damn. those sweet looking smd jumpers are expensive. > .30 even in bulk
2012-11-22T00:26:12 < zyp> you are talking about what I like to think of as solder bridges
2012-11-22T00:26:13 < upgrdman> wtf
2012-11-22T00:26:26 < ds2> it is just a one off
2012-11-22T00:26:36 < ds2> just cough it up
2012-11-22T00:27:22 < karlp> it is just a one off
2012-11-22T00:27:23 < upgrdman> i know. 100 would last me years and only cost .... $30 :( f that
2012-11-22T00:27:25 < karlp> just use a damn wire already
2012-11-22T00:27:31 < upgrdman> everything i do is one off.
2012-11-22T00:27:36 < upgrdman> :)
2012-11-22T00:27:44 < karlp> or, get boards made.
2012-11-22T00:27:50 < ds2> upgradman: spring pins go for around $1 each
2012-11-22T00:27:54 < karlp> hit up oshpark and get 3 offs instead of one offs!
2012-11-22T00:28:19 < ds2> what's oshpark's prices?
2012-11-22T00:28:27 < a2cypher> if its just a one off, use wires.  I'm sure you have wire kicking around
2012-11-22T00:28:29 < zyp> $5 per square inch
2012-11-22T00:28:39 < zyp> for three
2012-11-22T00:28:47 < ds2> any min's, setup, etc?
2012-11-22T00:29:00 < a2cypher> your not making a double sided board?
2012-11-22T00:29:01 < ds2> I assume that is double sided, silk and mask?
2012-11-22T00:29:09 < zyp> no setup cost, $5 for overseas shipping
2012-11-22T00:29:10 < zyp> yes
2012-11-22T00:29:13 < upgrdman> i should buy some copper / brass rod and just bend some jumpers
2012-11-22T00:29:16 < a2cypher> I have a small cnc mill I use for making pcbs.  =)
2012-11-22T00:29:17 < zyp> four layer is $10
2012-11-22T00:29:19 < ds2> are designs considered confidential?
2012-11-22T00:29:33 < ds2> or do they publish it/require it to be GPL/CC-NC/etc?
2012-11-22T00:29:46 < upgrdman> who would publish it?
2012-11-22T00:29:52 < zyp> they aren't published and I haven't seen any requirements either
2012-11-22T00:30:07 < ds2> who's their backend? goldphoenix?
2012-11-22T00:30:16 < zyp> no, some US fab
2012-11-22T00:30:26 < ds2> oohh
2012-11-22T00:30:46 < ds2> might try that on next rev of my sensor board
2012-11-22T00:30:46 < karlp> fast turn arounds, much tighter specs than a lot of cheap fabs too
2012-11-22T00:30:46 < zyp> also, four layer is available for $10
2012-11-22T00:31:00 < zyp> the four layer part is the one I like the most :)
2012-11-22T00:31:00 < karlp> also, purple and gold!
2012-11-22T00:32:40 < ds2> what's their turn around? 1Month or until panel fills?
2012-11-22T00:33:23 < zyp> http://oshpark.com/pricing <- what about just checking yourself?
2012-11-22T00:33:23 < upgrdman> this is why i do diy. one hour turn around time :)
2012-11-22T00:33:55 < zyp> upgrdman, and a shitty result :p
2012-11-22T00:34:21 < upgrdman> zyp: not at all. my 0.4mm traces look great. no problems.
2012-11-22T00:34:31 < ds2> that is the domain....
2012-11-22T00:34:38 < ds2> thought it was like that portland hackerspace thing
2012-11-22T00:34:50 < upgrdman> err .3mm
2012-11-22T00:34:53 < upgrdman> 0.3mm
2012-11-22T00:34:55 < zyp> ds2, it's the same
2012-11-22T00:34:58 < karlp> oshpark used to be the dorkbot pdx pcbs yes.
2012-11-22T00:35:13 < ds2> OHhhhhhhhh
2012-11-22T00:35:26 < ds2> i have hard of dorkbot and I gave up given their paypal requirements
2012-11-22T00:35:27 < karlp> upgrdman: yeah, I have a mill that can do that too,
2012-11-22T00:35:33 < karlp> but then, you nkow, unplated vias,
2012-11-22T00:35:46 < karlp> and the same crap you're in with jumpers
2012-11-22T00:35:54 < karlp> sometimes it's nice to juse get it fabbed up real good
2012-11-22T00:36:00 < zyp> unplated vias is probably the part I hate the most about self-etching
2012-11-22T00:36:22 <+Steffanx> get some busses for it
2012-11-22T00:36:24 < upgrdman> i know
2012-11-22T00:36:39 < ds2> hmmm no info on payment terms blah
2012-11-22T00:36:41 < karlp> I've learnt to lay out things differently, and use _more_ vias, so that can be easily filled with wire instead of being able to assume that I can solder both sides of a pin connector or something
2012-11-22T00:36:48 < upgrdman> well you can plate easily. i use liquid tin. works well. just no solder mask :(
2012-11-22T00:37:00 < zyp> when I still did boards that way, I took pride in routing the boards to not require any vias except for the pth component pins
2012-11-22T00:38:04 < karlp> zyp: yeah, except that it's easier to use a via sometimes than try and solder both sides of the pth component pin,
2012-11-22T00:38:07 < karlp> is what I was trying to say
2012-11-22T00:38:19 < zyp> depends on the component
2012-11-22T00:38:28 < karlp> well, I've had enough  problems on it :)
2012-11-22T00:38:38 < ds2> don't you ahve better more interesting stuff to do with your time then making PCBs?
2012-11-22T00:38:49 < karlp> like blogging on irc? ;)
2012-11-22T00:39:00 < a2cypher> Sometimes for connectors that I cant access on one side I'll make the hole a bit larger, and put a piece of wire through, solder to the top pad without filling the hole, put the connector in, and then solder the wire on the bottom side too
2012-11-22T00:39:41 < zyp> oh well
2012-11-22T00:39:41 < a2cypher> making PCBs is easy and fast.  thats why I do it.  I can design, drill, mill and solder a board in an afternoon.  Rather than waiting a couple weeks for it to come back
2012-11-22T00:40:07 < ds2> easy and fast only if you restrict your technology
2012-11-22T00:40:25 < a2cypher> I can do pretty good stuff now.   I milled my own buspirate v4.
2012-11-22T00:40:27 < ds2> 0.5mm stuff requires too much equipment
2012-11-22T00:41:25 < a2cypher> this board I did with my mill and a fine soldering iron:  http://www.seeedstudio.com/depot/bus-pirate-v4-for-developers-p-740.html?cPath=174
2012-11-22T00:41:28 < karlp> and the lack of soldermask, so lots of little ground plane shorts.
2012-11-22T00:41:33 < ds2> now if you can do a 4/4, 4 layer board....
2012-11-22T00:41:34 < zyp> a2cypher, http://bin.jvnv.net/f/qGHKG.png <- can you mill this for me?
2012-11-22T00:41:52 < zyp> it'll be my next board, once I have time to finish it
2012-11-22T00:41:56 < a2cypher> what are the trace widths?
2012-11-22T00:42:00 < zyp> 6mil
2012-11-22T00:42:12 < a2cypher> yeah, thats too tight.  I can do 8 mil with some patience
2012-11-22T00:42:28 < a2cypher> what is the bga chip ?
2012-11-22T00:42:37 < zyp> lpc4300
2012-11-22T00:42:50 < a2cypher> also, good luck soldering a BGA without souldermask
2012-11-22T00:43:00 < zyp> :)
2012-11-22T00:43:14 < zyp> also, can you do 10/20 vias? :)
2012-11-22T00:43:30 < zyp> i.e. 10 mil drill
2012-11-22T00:43:35 < a2cypher> if I had a 10 mil dril
2012-11-22T00:43:43 < a2cypher> my smallest drill right now is 18 mil
2012-11-22T00:43:52 < ds2> 18 mil is #80?
2012-11-22T00:44:00 < a2cypher> I think the one I have is #79
2012-11-22T00:44:07 < karlp> what the hell unit is #?
2012-11-22T00:44:10 < karlp> what's that in mm?
2012-11-22T00:44:16 < ds2> standard drill sizes
2012-11-22T00:44:22 < zyp> 10mil is 0.25 mm or so
2012-11-22T00:44:26 < ds2> there are numbered, letter, and factional drills
2012-11-22T00:44:37 < karlp> standard for who? merrica?
2012-11-22T00:44:45 < zyp> ds2, in the sane world, we have metric sizes on drills
2012-11-22T00:44:51 < a2cypher> apparently it is .368mm
2012-11-22T00:44:51 < ds2> blah metric
2012-11-22T00:45:05 < ds2> metric is why we had 'issues' in space
2012-11-22T00:45:06 < a2cypher> 79 is 14.49mil  maybe I have a different one
2012-11-22T00:45:08 < a2cypher> I dont remember
2012-11-22T00:45:14 < karlp> you haven't noticed that all your datasheets are coming in metric these days ds2?
2012-11-22T00:45:30 < ds2> karlp: and I am curses it every time I have to look at it
2012-11-22T00:45:39 < a2cypher> I like metric, but its frustrating for pcbs because so many manufactuers and software use mil
2012-11-22T00:46:02 < ds2> the '2', '5', '4' keys on teh calculator are wearing out faster then the other keys
2012-11-22T00:46:06 < a2cypher> exactly
2012-11-22T00:46:13 < zyp> a2cypher, can't your pcb cad do both at the same time?
2012-11-22T00:46:15 < karlp> embrace the modern world.
2012-11-22T00:46:24 < a2cypher> yeah, I can switch between them.
2012-11-22T00:46:26 < ds2> blah
2012-11-22T00:46:42 < ds2> when they abolish the sale of 25.4mm rods, then I'll reconsider
2012-11-22T00:46:54 < zyp> in eagle I can choose any display unit I want, and still enter any values in any other unit if needed
2012-11-22T00:47:02 < ds2> or stop selling 1.27mm pitched connectors
2012-11-22T00:47:17 < ds2> zyp: how do you tell eagle to use different units then display?
2012-11-22T00:47:28 < zyp> you just type it in
2012-11-22T00:47:44 < ds2> as in it takes 1.27mm or 1in?
2012-11-22T00:47:51 < zyp> try writing «3mm» in a field expecting a mil value, and it will be converted to mil
2012-11-22T00:47:59 < ds2> oohhh nice, I did not know that
2012-11-22T00:48:04 < ds2> is this in all versions of eagle?
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2012-11-22T00:48:16 < zyp> dunno, I've only used eagle 6 lately
2012-11-22T00:48:23 < ds2> ah
2012-11-22T00:48:37 < ds2> I will have to try that. it is too annoying have to change the default units often
2012-11-22T00:48:49 < zyp> yeah
2012-11-22T00:49:15 < zyp> I just set the grid/display units to whatever fits what I'm doing, and type in the rest
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2012-11-22T00:49:42 < ds2> alibre does that.. just didn't know eagle can too
2012-11-22T00:49:51 < zyp> this board I'm doing on a mm-fraction grid, because of the 1mm pitch bga
2012-11-22T00:49:59 < ds2> zyp: do you have a good way to export a 3D model from eagle besides to sketchup or povray?
2012-11-22T00:50:00 < zyp> but I still enter trace and drill sizes in mil
2012-11-22T00:50:12 < zyp> dunno, I've never cared for 3d models
2012-11-22T00:50:21 < ds2> u don't do enclosures?
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2012-11-22T00:51:04 < zyp> no, I'm doing boards
2012-11-22T00:51:45 < karlp> cases suck.
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2012-11-22T00:52:14 < ds2> they do
2012-11-22T00:52:22 < ds2> but it needs to be done
2012-11-22T00:52:30 < ds2> 3D models help to make sure the cases can fit
2012-11-22T00:52:43 < zyp> one of the guys in my group did a 3d printed enclosure for our uni project
2012-11-22T00:52:45 < karlp> yeah, I'm waiting for other people to make it better and easier :)
2012-11-22T00:53:31 < zyp> he didn't seem to care much about a 3d model, he just wanted to know where to put the hole for the usb connector
2012-11-22T00:53:58 < zyp> and the max height of the board with battery and all
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2012-11-22T00:55:00 < ds2> but 'telling' has potential for errors
2012-11-22T00:58:15 < zyp> I'm not interested in arguing
2012-11-22T00:58:28 < zyp> I agree that you have a point, but it's nothing I personally care about
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2012-11-22T01:07:11 < dongs> lol, eagle
2012-11-22T01:07:21 < zyp> ok
2012-11-22T01:07:27 < dongs> hi zyp ;d
2012-11-22T01:08:48 < Laurenceb_> eagle works
2012-11-22T01:08:52 < Laurenceb_> well.. it does now
2012-11-22T01:09:01 < Laurenceb_> eagle 4.7 or previous was a clusterfuck
2012-11-22T01:09:32 < zyp> (or maybe Laurenceb_ just learned how to use eagle after changing from 4.7)
2012-11-22T01:10:17 < Laurenceb_> its had a ton of graphics glitches etc
2012-11-22T01:10:24 < ds2> zyp: btw, do you know if eagle can export to LTSpice yet?
2012-11-22T01:11:16 < zyp> no idea, I've never cared much about simulations either
2012-11-22T01:11:22 < ds2> oh
2012-11-22T01:11:27 < zyp> my stuff is mostly digital
2012-11-22T01:12:01 < Laurenceb_> i use LTSpice a lot
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2012-11-22T01:12:17 < ds2> Laurenceb_: do you do your schematics in there then redo it in your PCB cad?
2012-11-22T01:12:40 < Laurenceb_> just redo
2012-11-22T01:13:03 < ds2> what do you simulate?
2012-11-22T01:13:27 < dongs> he's probably into simulating dongs
2012-11-22T01:17:08 < Laurenceb_> http://www.youtube.com/watch?v=9Ej9QOOGkWQ
2012-11-22T01:17:09 < dongs> no, you would
2012-11-22T01:17:18 < dongs> flybacak on the other hand is into stimulating dongs
2012-11-22T01:19:41 < zyp> you're not stimulating your dong with your other hand?
2012-11-22T01:20:19 < dongs> http://www.myduckisdead.org/2012/10/tampon-tango-1984-masashi-yamamoto.html japan history
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2012-11-22T01:22:21 < Laurenceb_> slightyl nsfw
2012-11-22T01:22:46 < dongs> not at the Laurenceb_'s w
2012-11-22T01:23:33 < Laurenceb_> true
2012-11-22T01:23:51 < Laurenceb_> we have goatse on the wall
2012-11-22T01:23:58 < Laurenceb_> well.. maze goatse
2012-11-22T01:24:13 < Laurenceb_> to confuse visitors
2012-11-22T01:25:21 < Laurenceb_> http://24.media.tumblr.com/tumblr_m5kw0ytndj1r7fal0o1_500.png
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2012-11-22T01:39:06 < Laurenceb_> oh and chris hanson on the inside of the filing cabinet doors
2012-11-22T01:42:46 < baird> Maybe familar to you, then: macrochan.org/view.php?u=FCFZQIDQABATYKQQ2KMUA2HB2TFUIB72
2012-11-22T01:45:27 < Laurenceb_> haha
2012-11-22T02:01:59 -!- dedis3 [~dedis3@akw403.cs.yale.edu] has quit [K-Lined]
2012-11-22T02:06:49 < Laurenceb_>  *flyback wanders off to fail at life as per usual*
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2012-11-22T02:47:28 < dongs> http://i.imgur.com/NX7cn.png
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2012-11-22T03:44:53 < baird> Sucks. $5 says that Gene Spafford will be next.
2012-11-22T04:00:38 < dongs> http://www.theregister.co.uk/2012/11/21/linux_foundation_secure_boot_fix_delays/ bad news for lunix fgts
2012-11-22T04:04:55 < dongs> in  otehr news, arduino retards still havent got their infs signed
2012-11-22T04:05:05 < dongs> while you could skip it on win7, on win8 thats a total no-go
2012-11-22T04:05:09 < dongs> what are they go nna do?
2012-11-22T04:05:11 < dongs> time to sak!
2012-11-22T04:05:12 < dongs> ask
2012-11-22T04:06:08  * baird hugs his Lemote
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2012-11-22T04:31:37 < dongs> I just ugpraded a driver for PCI device on my windows XP machine that has ~3 years uptime
2012-11-22T04:31:47 < dongs> this kinda shit is unheard of on lunix.
2012-11-22T04:32:49 < baird> Yeah, Linux would only need to restart the X server, not the whole machine.
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2012-11-22T04:48:20 < dongs> baird: i didnt restart it.
2012-11-22T04:48:27 < dongs> tahts the whole FUcking point.
2012-11-22T04:48:36 < dongs> \\dtvcap has been up for: 1097 day(s), 21 hour(s), 10 minute(s), 30 second(s)
2012-11-22T04:50:25 < emeb_mac> nice
2012-11-22T04:51:11 < emeb_mac> I suppose you have to turn off automatic updates for that. My old XP machine would have to restart everytime MS pushed a new set of patches.
2012-11-22T04:51:48 < dongs> wait a fucking second
2012-11-22T04:51:57 < dongs> oh
2012-11-22T04:52:03 < dongs> haha i mistyped 1097 as 1907 into g oogle
2012-11-22T04:52:05 < dongs> i was liek 5 years?
2012-11-22T04:52:09 < dongs> its >3 now.
2012-11-22T04:53:02 < baird> dongs: I wonder if Microsoft took out a patent in 2003 for finally implimenting in XP what Unix had been able to do for 20+ years...
2012-11-22T04:53:27 < emeb_mac> then of course there's Adobe Reader that wants you to restart Windows when it updates itself. :P
2012-11-22T04:53:34 < dongs> baird: what would that be a patent for? not working?
2012-11-22T04:53:53 < dongs> unlike lunix, windows actually DOES work
2012-11-22T04:54:34 < baird> lol the years 1994-2002, when all the Microsofties went "
2012-11-22T04:54:42 < baird> lol the years 1994-2002, when all the Microsofties went "a reboot is just needed!"
2012-11-22T04:55:15 < emeb_mac> dude, that was 10 yrs ago. No one has had to reboot Windows since then. :)
2012-11-22T04:55:48 < dongs> baird: ok, go ahead and replace a lunix driver for a pci device without reboot.
2012-11-22T04:56:00 < dongs> replace = upgrade
2012-11-22T04:56:30 < emeb_mac> err - can you say rmmod/insmod?
2012-11-22T04:56:30 < baird> modprobe -r rtl8220; modprobe rtl8220 <-- secret 1996 Linux magick
2012-11-22T04:56:33 < dongs> first of all you wouldnt even be able to build it even if it was possible to upgrade, since the fucking thing is so closely tied to kernel, minor 0.0.1 revision would break code compatibility
2012-11-22T04:56:56 < dongs> emeb_mac: i upgraded a driver from 2009 version to 2012 version
2012-11-22T04:57:05 < dongs> that would be equivalent of like 2.2.x driver and 3.x.x. driver.
2012-11-22T04:57:18 < emeb_mac> it was still xp
2012-11-22T04:57:24 < dongs> and?
2012-11-22T04:57:28 < emeb_mac> the underlying api didn't change
2012-11-22T04:57:34 < dongs> exactly.
2012-11-22T04:57:43 < dongs> i can also load a driver for windows 2000 32bit
2012-11-22T04:57:48 < dongs> into windows 8 32bit
2012-11-22T04:57:56 < dongs> thats getting into a decade-span of compatibility
2012-11-22T04:58:03 < dongs> lunix is lucky to work with shit written a week ago
2012-11-22T04:58:08 < baird> I can still load a.out executibles dynamically-linked to libc5; beat that
2012-11-22T04:58:45 < dongs> executables?
2012-11-22T04:58:49 < dongs> ha ha
2012-11-22T04:58:54 < dongs> if youre going THERE,
2012-11-22T04:58:59 < dongs> windows 8 can still load win95 binaries
2012-11-22T04:59:11 < dongs> thats almost 20 years ago.
2012-11-22T04:59:17 < dongs> there's no fucking way youre gonna be running a 20 year old lunix bin
2012-11-22T04:59:18 < dongs> in 2012.
2012-11-22T04:59:29 < dongs> not without basically trashing the system by f illing it with old garbage.
2012-11-22T04:59:35 < baird> API compatility layers were a SCO thing, I recall. Linux implimented it circa 1994; the BSD did the same (Linux Doom2 on NetBSd :)
2012-11-22T05:00:59 < baird> options COMPAT_SVR4,COMPAT_IBCS2,etc.
2012-11-22T05:02:48 < baird> There's also going the virtualised x86 route, and running old Windows shit in Wine. :)
2012-11-22T05:05:41 < baird> Isn't the backwards compatibility for old Windows 'personalities' done with para-virtualised system domains, anyway?
2012-11-22T05:05:50 < baird> (in XP and later)
2012-11-22T05:13:49 < dongs> ?
2012-11-22T05:13:52 < dongs> no idea bro
2012-11-22T05:13:54 < dongs> all I can say is
2012-11-22T05:13:58 < dongs> windows works
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2012-11-22T05:22:58 < dongs> freescale accels delivered. nice
2012-11-22T05:26:10 < baird> Still no update on the latest E14 counter-collect order after 24 hours. Off to have a chat..
2012-11-22T05:26:25 < upgrdman> reading a 2.4g module datasheet, and im new to rf. what is saturation? it says rx saturation is -13dBm. does that mean if the antenna provides the ic with -13dBm that the signal is essentially perfect?
2012-11-22T05:26:53 < dongs> no i think that means signal above -13dbm will be clipped
2012-11-22T05:26:54 < dongs> and fucked
2012-11-22T05:27:02 < dongs> so y ou will want attenuator or something in front of it if signal is too strong
2012-11-22T05:27:16 < dongs> dunno how -13dbm is for wifi shit,, i only dealt with that sorta spec for TV stuff
2012-11-22T05:28:25 < upgrdman> ok
2012-11-22T05:31:35 < dongs> there's probably internal LNA or whatever,, so when input signal is above -13, it will be clipping high on ADC
2012-11-22T05:31:42 < dongs> or just how the input stage is made
2012-11-22T05:31:57 < dongs> -13 is also fairly high so y ou're probably ok heh
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2012-11-22T06:48:35 -!- dekar changed the topic of ##stm32 to: Prepare for the two minutes of /hate/love. This channel is publicly logged, ask zlog for more (no free z80s anymore). | GCC example project: https://github.com/EliasOenal/TNT_Example (Blinky lights, linkerscript, startup code and working malloc) | Join us building the ##stm32 toolchain: https://github.com/EliasOenal/TNT (now with multilib) |  We have a wiki http://stm32.izua.ro | How eng
2012-11-22T06:50:44 -!- dekar changed the topic of ##stm32 to: Prepare for the two minutes of /hate/love. This channel is publicly logged, ask zlog for more (no free z80s anymore). | GCC example project: https://github.com/EliasOenal/TNT_Example (Blinky lights, linkerscript, startup code and working malloc) | Join us building the ##stm32 toolchain: https://github.com/EliasOenal/TNT (now with multilib) |  We have a wiki http://stm32.izua.ro
2012-11-22T07:30:20 < upgrdman> hm
2012-11-22T07:31:25 < upgrdman> wtf "##electronics :Cannot send to channel" ... does that mean an op is fucking with me?
2012-11-22T07:32:01 <@dekar> I can join it
2012-11-22T07:32:06 < upgrdman> me too
2012-11-22T07:32:55 < upgrdman> ask them whos an op in theres
2012-11-22T07:32:57 < upgrdman> please
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2012-11-22T07:39:49 <@dekar> I suggest linking new people to the TNT example I put in the title since many people seem to have problems getting their basic setup right.
2012-11-22T07:45:47 < upgrdman> whats tnt
2012-11-22T07:46:46 < emeb_mac> http://dekar.wc3edit.net/2012/10/11/the-power-of-tnt-is-at-your-disposal/
2012-11-22T07:48:09 < baird> The Power of TNT compells joo
2012-11-22T07:49:06 < upgrdman> neat
2012-11-22T07:49:10 < upgrdman> elias == dekar?
2012-11-22T07:49:18 < emeb_mac> must... do... as... tnt... commands...
2012-11-22T07:49:46 < emeb_mac> shhhhh. we don't use real names here.
2012-11-22T07:51:46 < upgrdman> k
2012-11-22T07:55:48 < baird> You never know when zlog might be watching...
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2012-11-22T07:59:18 <@dekar> upgrdman, yeah me :)
2012-11-22T08:06:10 < baird> Some say.. that zlog's archives contain the source code for Windows 98...
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2012-11-22T08:07:03 < emeb_mac> a million monkeys typing...
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2012-11-22T08:14:43 < baird> And others have said.. that the days of dongs being a rabid OS/2 fanboy are preserved by zlog for all eternity..
2012-11-22T08:19:34 < ds2> Mmmmm OS/2
2012-11-22T08:20:13 < baird> I actually studied that in an Operating Systems class.. (alongside Unix.. and something else)
2012-11-22T08:20:30 < baird> How it did process scheduling, etc.
2012-11-22T08:34:07 < baird> OS/2 was actually quite popular amoung the Intelfags back at Uni; it did real VM, real software software (gcc, perl, bash, TeX/LaTeX, etc.) wasn't not too hard to port, and it did proper TCP/IP instead of tardhacks like Trumpet. There were a lot of very long faces when Win95 was released; 'it doesn't even have a real operating system..'
2012-11-22T08:37:05 < emeb_mac> dongs: pcbs today?
2012-11-22T08:37:10 < dongs> yeah
2012-11-22T08:37:12 < dongs> received already.
2012-11-22T08:37:17 < emeb_mac> nice
2012-11-22T08:37:17 < dongs> looks.. same as expected.
2012-11-22T08:37:24 < emeb_mac> surprise!
2012-11-22T08:38:46 < dongs> http://i.imgur.com/s0wQB.jpg
2012-11-22T08:39:20 < dongs> i think theres 2 stacks of each, i saw anotehr set of same packed stuff
2012-11-22T08:40:14 < emeb_mac> looks good.
2012-11-22T08:40:22 < emeb_mac> hope they work. :)
2012-11-22T08:40:34 < dongs> indeed
2012-11-22T08:40:47 < dongs> i am paneling stencils for them today as well
2012-11-22T08:40:59 < dongs> since i got some other crap to stencil up anywas
2012-11-22T08:42:04 < emeb_mac> huh.
2012-11-22T08:42:34 < emeb_mac> how you doing stencils? was the pastemask in the gerbers I sent or can you regenerate that?
2012-11-22T08:42:53 < dongs> can be generated
2012-11-22T08:45:50 < dongs> i'd probably trust paste place generating it over opensauce shit anyway.
2012-11-22T08:45:56 < emeb_mac> har
2012-11-22T08:45:59 < dongs> like they know proper openings to do for shit like tqfp-EP etc
2012-11-22T08:46:07 < dongs> you know how some are separated into squares?
2012-11-22T08:46:10 < dongs> large pad openings
2012-11-22T08:46:23 < emeb_mac> oh yeah. little grids.
2012-11-22T08:49:36 < ds2> dongs: the stencil places will do the griding for the thermal pads to min. solder leakage?
2012-11-22T08:49:42 < dongs> yeah
2012-11-22T08:49:47 < ds2> Ohhh nice
2012-11-22T08:49:58 < ds2> I was worry about how to describe that in my footprints
2012-11-22T08:50:53 < dongs> ya nothign special needed its automatically done as requirede
2012-11-22T08:51:34 < ds2> anyone have thoughts on using the solder balls on a small BGA as the sole source of solder?
2012-11-22T08:52:02 < emeb_mac> what holds the bga in place until reflow?
2012-11-22T08:52:14 < ds2> small == 8 ball BGA arranged in 3x3 pattern w/center ball missing
2012-11-22T08:52:25 < ds2> emeb_mac: flux?
2012-11-22T08:52:39 < emeb_mac> so this isn't an automated process
2012-11-22T08:52:49 < ds2> no, trying to assemble a test board
2012-11-22T08:53:06 < emeb_mac> probably work.
2012-11-22T08:53:08 < ds2> and the balls are tiny... donno if I should make a tiny stencil or just slap it on and air it
2012-11-22T08:53:22 < ds2> i am impressed at how well hot air worked on the QFN
2012-11-22T08:53:29 < emeb_mac> I've done similar stuff w/ QFN
2012-11-22T08:53:37 < ds2> think my only mistake was running the air a bit hot
2012-11-22T08:54:25 < ds2> how safe is it to put an excess of solder paste? does it just get wicked to the balls if it is under a small BGA?
2012-11-22T08:55:13 < emeb_mac> I think it'd be a problem.
2012-11-22T08:55:28 < ds2> oh
2012-11-22T08:55:43 < ds2> that would rule out free hand syringing of paste onto the pads
2012-11-22T08:55:46 < emeb_mac> I've done some reflow with excess solder paste and it sometimes balls up between the pads.
2012-11-22T08:55:51 < emeb_mac> not good w/ bga
2012-11-22T08:56:14 < ds2> there are no inside balls so it should be visually inspectable
2012-11-22T09:09:39 < jpa-> yeah, all my balls are on the outside also
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2012-11-22T09:58:45 < baird> lol gentoo on a 150MHz ARM ... >>> Emerging (1 of 239) sys-libs/timezone-data-2012j
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2012-11-22T12:25:47 < dongs> http://i.imgur.com/PliJ6.jpg haha
2012-11-22T12:25:49 < dongs> lold
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2012-11-22T14:29:19 < jpa-> zyp: heh, nuttx deliberately disables the FPU lazy context saving for ISR's, apparently to conserve stack space or something
2012-11-22T14:29:27 < jpa-> thankfully it works fine once i enable it
2012-11-22T14:29:49 < zyp> huh?
2012-11-22T14:30:18 < zyp> lazy or not, the same amount of stack is used/reserved
2012-11-22T14:31:14 < jpa-> i mean, it disables the ISR context saving for FPU completely
2012-11-22T14:31:45 < jpa-> no lazy, no non-lazy; only when context-switching between threads it saves the context manually
2012-11-22T14:33:38 < zyp> right
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2012-11-22T14:40:07 < Laurenceb> dongs: its funny cuz its true
2012-11-22T14:40:42 < jpa-> aha, there is CONFIG_ARMV7M_CMNVECTOR configuration option that apparently does something differently.. let's see what it gives
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2012-11-22T15:04:29 < dongs> armhf?
2012-11-22T15:05:25 < jpa-> sfdar.
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2012-11-22T15:32:58 < Laurenceb> ARMV7M_CMNF
2012-11-22T15:33:25 < Laurenceb> ARMV7M_ENF_NIP_CMNF
2012-11-22T15:35:07 < Laurenceb> pmsl
2012-11-22T15:35:10 < Laurenceb> http://en.wikipedia.org/wiki/Clothed_female,_naked_male
2012-11-22T15:35:18 < Laurenceb> nsfw
2012-11-22T15:35:40 <+Steffanx> it's what Laurenceb enjoys
2012-11-22T15:36:14 < Laurenceb> i think jimmy needs to use the banhammer again
2012-11-22T15:36:48 <+Steffanx> again?
2012-11-22T15:37:10 < Laurenceb> he banned some guys over the masturbation page
2012-11-22T15:37:26 < Laurenceb> they uploaded video instructions
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2012-11-22T16:09:18 < Laurenceb> http://www.b3tards.com/u/2677939efc8125b3e0b7/windowsape.jpg
2012-11-22T16:10:32 <+Steffanx> You have to be a b3tard to see the humor Laurenceb ?
2012-11-22T16:13:28 < karlp> probably.
2012-11-22T16:22:01  * jpa- solves Steffanx's wiener problem using kalman filters
2012-11-22T16:22:32 < Laurenceb> lol
2012-11-22T16:23:03 < Laurenceb> http://www.jewishjournal.com/irabbi/item/weiners_problem_is_our_problem_too_20110610
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2012-11-22T16:23:10 <+Steffanx> The only problem that solves it right now is /kickban Laurenceb, jpa- :P
2012-11-22T16:23:41 < jpa-> the problem solves what?
2012-11-22T16:23:46 < jpa-> and is this in soviet russia?
2012-11-22T16:23:55 < zyp> ha
2012-11-22T16:27:41 <+Steffanx> In this case there and all other universes.
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2012-11-22T18:01:05 < Laurenceb> http://www.blueled.co.uk/
2012-11-22T18:02:12 < emeb_mac> GET A LIFE!
2012-11-22T18:02:23 < Erlkoenig> a what?
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2012-11-22T18:04:49 < emeb_mac> here ya go: http://www.kickstarter.com/projects/pimoroni/picade-the-arcade-cabinet-kit-for-your-raspberry-p
2012-11-22T18:05:03 < zyp> I hate how everything is supposed to have ridiculously bright blue leds nowadays
2012-11-22T18:06:04 < Erlkoenig> my Pb battery charger has so bright LED's that you can't read the symbols beneath them when they're lit.
2012-11-22T18:07:08  * emeb_mac addressed that issue by connecting a blue LED to a low-current output GPIO
2012-11-22T18:07:38 < emeb_mac> 1.8 ma is a lot easier on the eyes. :)
2012-11-22T18:07:51  * zyp addresses that by not using only blue leds
2012-11-22T18:08:02 < emeb_mac> there's that.
2012-11-22T18:09:39 < emeb_mac> everyone should switch to pink: http://www.ledssuperbright.com/100-5mm-pink-led-6000-mcd-p-181
2012-11-22T18:10:49 < Erlkoenig> http://www.amazon.de/dp/B008FQFKRO  my theoretical informatics prof was wearing this today
2012-11-22T18:11:28 < karlp> $30?!
2012-11-22T18:11:39 < karlp> I take it 6000mcd is reallllly bright?
2012-11-22T18:11:52  * karlp hasn't looked at led specs in no idea how long
2012-11-22T18:12:24 < karlp> oh, it'ðs also for 100
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2012-11-22T18:28:52 < BrainDamage> 6cd is not too huge
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2012-11-22T18:35:06 < jpa-> reallllly bright leds are measured in lumens, not candelas :)
2012-11-22T18:35:59 < Laurenceb> or watts
2012-11-22T18:38:57 < jpa-> heaters are measured in watts
2012-11-22T18:39:25 < Erlkoenig> your mom is measured in tons
2012-11-22T18:43:48 < jpa-> metric or imperial?
2012-11-22T18:47:41 < Erlkoenig> metric, you american "metric-is-too-mainstream"-hipster
2012-11-22T19:04:08 <+Steffanx> Good girl
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2012-11-22T19:32:57 < Laurenceb> http://imgur.com/a/Ic0JC
2012-11-22T19:35:00 < Erlkoenig> http://www.bbc.co.uk/news/world-asia-20442487
2012-11-22T19:36:43 < zyp> Laurenceb, flash dies are not that large anymore ;)
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2012-11-22T19:39:17 < alexn_> hi zyp.
2012-11-22T19:39:44 < zyp> hi alexn_, what's up?
2012-11-22T19:40:49 < alexn_> I wanted to ask what compiler you use
2012-11-22T19:41:09 < alexn_> you also have a mac
2012-11-22T19:41:24 < zyp> yagarto
2012-11-22T19:41:31 < alexn_> with summon-arm-toolchain i have problems.
2012-11-22T19:41:53 < alexn_> ok. have yagarto hard floating point.
2012-11-22T19:44:28 < alexn_> do you use eclipse as ide?
2012-11-22T19:44:34 < zyp> no, no
2012-11-22T19:44:49 < alexn_> ;-)
2012-11-22T19:44:57 < zyp> http://paste.jvnv.net/view/Ck2Ui <- I also have launchpad toolchain, it does have hardfp variants
2012-11-22T19:47:02 < alexn_> i am interested in launchpad toolchain.
2012-11-22T19:47:23 < zyp> https://launchpad.net/gcc-arm-embedded/
2012-11-22T19:47:23 < alexn_> do you build it from source
2012-11-22T19:47:46 < alexn_> on linux i installed the binary.
2012-11-22T19:47:53 < alexn_> but on mac?
2012-11-22T19:48:03 < alexn_> i must build it from source
2012-11-22T19:48:17 < zyp> https://github.com/pgaryali/gcc-arm-embedded-macosx <- I used this to build it
2012-11-22T19:48:58 < alexn_> thanks ;-)
2012-11-22T19:49:19 < alexn_> what ide do you use?
2012-11-22T19:49:22 < karlp> (but you'll want to change it to get 2012q4, from what zippe said last night)
2012-11-22T19:49:34 < zyp> I'm not using any ide
2012-11-22T19:49:53 < zyp> I'm editing in macvim and using commandline gdb
2012-11-22T19:49:54 < alexn_> ok. hi karlp
2012-11-22T19:50:00 < zyp> and that's the way I like it
2012-11-22T19:50:18 < alexn_> ok cool.
2012-11-22T19:50:59 < alexn_> i have problems with the lanchpad 2012q2 karlp
2012-11-22T19:52:13 < karlp> heh, that script even patches the release notes and readme to replace "Linux" with "Mac OSX"
2012-11-22T19:52:24 < zyp> hah
2012-11-22T19:52:26 < zyp> :p
2012-11-22T19:57:31 < alexn_> in the script i change the distribution to "distribution=gcc-arm-none-eabi-4_6-2012q4-20120614".
2012-11-22T19:57:38 < alexn_> thats all or not?
2012-11-22T19:58:13 < zyp> 20120614 is not q4 :p
2012-11-22T19:58:14 < alexn_> then i have the newest compiler from lanchpad
2012-11-22T19:58:49 < alexn_> oh sorry. the date is wrong.
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2012-11-22T19:59:49 < alexn_> it will be very nice when we have an dmg image on lanchpad.
2012-11-22T19:59:57 < zyp> agreed
2012-11-22T20:00:08 < alexn_> ;-)
2012-11-22T20:00:20 < zyp> I'm just waiting for a 4.7 version of that before I ditch yagarto
2012-11-22T20:01:23 < alexn_> tell me. can i simply change the distribution on the script file.
2012-11-22T20:01:31 < zyp> try it?
2012-11-22T20:02:03 < zyp> if you are lucky, it'll work
2012-11-22T20:02:11 < zyp> unless the patches are conflicting
2012-11-22T20:02:17 < zyp> then you'll have to update them
2012-11-22T20:04:46 < alexn_> ok. i try it.
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2012-11-22T21:12:12 < TitanMKD> Anyone have tested BlackMagic debugger ?
2012-11-22T21:12:54 -!- Bird|lappy [~Bird|ub3r@unaffiliated/htt-bird] has quit [Ping timeout: 240 seconds]
2012-11-22T21:13:20 < zyp> that's the only thing I'm using nowadays
2012-11-22T21:13:29 < TitanMKD> it's fast ?
2012-11-22T21:13:44 < zyp> faster than anything else I've used
2012-11-22T21:13:58 < TitanMKD> at least in step by step mode is less than 1s ?
2012-11-22T21:14:14 < zyp> huh?
2012-11-22T21:14:42 < TitanMKD> yes i ask that because with my NXP LPC-Link debugger just to do a step it take about 3s
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2012-11-22T21:14:54 < zyp> wtf
2012-11-22T21:14:56 < TitanMKD> and loading of 30KB take about 15s !!
2012-11-22T21:15:00 < zyp> that's horrible
2012-11-22T21:15:09 < TitanMKD> yes it's horrible ;)
2012-11-22T21:15:20 < zyp> of course it's faster than that
2012-11-22T21:15:30 < TitanMKD> it's why i ask if BlackMagic debugger is "realtime" in debug ;)
2012-11-22T21:15:51 < zyp> I've never perceived it as slow
2012-11-22T21:15:51 < TitanMKD> and to load program in flash what's the average speed ?
2012-11-22T21:16:03 < zyp> hmm
2012-11-22T21:16:09 < TitanMKD> I expect something like 1s for 100KBytes
2012-11-22T21:16:19 < zyp> I believe I measured 45 kB/s or so when I tested
2012-11-22T21:16:36 < zyp> depending on the target, of course
2012-11-22T21:16:42 < TitanMKD> ha anyway it's really good compared to my debugger ;)
2012-11-22T21:17:02 < TitanMKD> yes but it's far from 30KB in 15s ;)
2012-11-22T21:17:23 < zyp> in the end, you're limited by the speed of the flash of the target, you simply can't flash it faster than the flash is capable of writing
2012-11-22T21:17:25 < TitanMKD> and with JTAG freq set to 5MHz ;)
2012-11-22T21:17:50 < TitanMKD> yes of course but any flash is by far faster than 20 or 30KB/s ;)
2012-11-22T21:18:31 < zyp> no, the L1 flash seems to be slower
2012-11-22T21:18:46 < TitanMKD> but L1 is outdated MCU ;)
2012-11-22T21:18:54 < zyp> no, it's not
2012-11-22T21:18:56 < TitanMKD> i speak of real MCU like F4 ;)
2012-11-22T21:19:14 < zyp> you're just speaking a bunch of shit :p
2012-11-22T21:19:33 < TitanMKD> i joke of course ;) it just depends on needs
2012-11-22T21:19:37 < zyp> L1 is optimized for power efficiency, not speed
2012-11-22T21:20:23 < TitanMKD> I doubt there's really a huge difference between optimized for speed or power efficiency
2012-11-22T21:20:33 < TitanMKD> else take a TI MSP430 ;)
2012-11-22T21:20:55 < zyp> according to Laurenceb, L1 is more power efficient than msp430
2012-11-22T21:21:33 < TitanMKD> hmm maybe on some special case but i will like to see the difference ;à
2012-11-22T21:21:54 < zyp> I haven't looked at the numbers myself, so I can't confirm whether it's true or he's just full of shit, but at least that's what he's claiming
2012-11-22T21:22:48 < TitanMKD> to really have a low power MCU it will be great they switch to 20 or 28nm ;)
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2012-11-22T23:17:21 < qyx_> some olimex boards..
2012-11-22T23:18:00 < qyx_> they use resistor dividers to convert levels (5V->3.3V) going from ft232rl
2012-11-22T23:18:30 < qyx_> even if the ft232rl has vccio which can be supplied with 3.3V
2012-11-22T23:18:53 < Laurenceb_> http://news.bbcimg.co.uk/media/images/64325000/jpg/_64325017_64325016.jpg
2012-11-22T23:18:56 < upgrdman> lol
2012-11-22T23:19:02 < Laurenceb_> your fedex deliveries have arrived
2012-11-22T23:19:12 < upgrdman> damn
2012-11-22T23:19:21 < upgrdman> slight box damage
2012-11-22T23:23:12 < jpa-> delivered on time
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2012-11-23T00:13:53 < zyp> http://bin.jvnv.net/f/L5ecr.png <- my device apparently makes no sense
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2012-11-23T01:29:37 < Laurenceb_> zyp: looks like you fail SCSI commands
2012-11-23T01:30:38 < Laurenceb_> odd that it says "failed"
2012-11-23T01:30:45 < Laurenceb_> not sure what that means
2012-11-23T01:31:01 < Laurenceb_> if its getting incorrect response or fail response
2012-11-23T01:36:40 < zyp> it refers to the status bit in the CSW block, I return failed on the commands I don't recognize yet :p
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2012-11-23T01:38:58 < Laurenceb_> ah
2012-11-23T01:39:04 < Laurenceb_> then you are a bit screwed
2012-11-23T01:39:18 < zyp> heh
2012-11-23T01:39:21 < Laurenceb_> the ST code replies fail for the format command
2012-11-23T01:39:37 < Laurenceb_> which breaks win xp horribly if you try to reformat
2012-11-23T01:39:46 < upgrdman> lol
2012-11-23T01:39:51 < Laurenceb_> ubuntu handles it ok
2012-11-23T01:39:55 < zyp> I was just laughing about the «no sense» formulation :p
2012-11-23T01:40:17 < Laurenceb_> it doesnt mean that
2012-11-23T01:40:29 < Laurenceb_>   /pedantic
2012-11-23T01:40:35 < zyp> *yawn*
2012-11-23T01:40:39 < zyp> you're just boring.
2012-11-23T01:48:03  * Laurenceb_ zzz
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2012-11-23T02:24:18 < cdh> Magnets are cool.  http://www.youtube.com/watch?v=keMpUaoA3Tg
2012-11-23T02:26:12 < gnomad> eddie currents ftw
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2012-11-23T02:27:20 < gnomad> http://www.youtube.com/watch?v=OvmvxAcT_Yc
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2012-11-23T02:30:35 < cdh> I hate those lying scientists.
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2012-11-23T04:13:59 < emeb_mac> crickets...
2012-11-23T04:15:47 < dongs> dingleberries
2012-11-23T04:17:05 < emeb_mac> my wife had a boss named "Hugh Littleberry". They called him "Huge Dingleberry". <- TRUE
2012-11-23T04:17:35 < dongs> lol'd
2012-11-23T04:19:20 < emeb_mac> got the rest of my v0.3 F3 breakouts from OSHPark yesterday.
2012-11-23T04:20:02 < emeb_mac> debating if I should build one up w/ an 8MHz xtal just to see if the USB DFU bootloader works.
2012-11-23T04:21:41 < dongs> you can always ghetto a 8mhz HC49 across the pads
2012-11-23T04:22:07 < emeb_mac> yeah - that's what I'm talking about.
2012-11-23T04:22:33 < emeb_mac> but I'd have to use up my spare F373.
2012-11-23T04:23:31 < emeb_mac> or just wait for the v0.4 boards to come. ;)
2012-11-23T04:23:41 < dongs> which ones is the shit I got?
2012-11-23T04:23:46 < emeb_mac> v0.4
2012-11-23T04:24:20 < dongs> ah yeah looks like it. version is covered by rubberband and i still havent opened them
2012-11-23T04:26:52 < emeb_mac> ya.
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2012-11-23T04:33:41 < emeb_mac> seen this? http://www.adafruit.com/products/1108
2012-11-23T04:34:10 < emeb_mac> looks like a marvell MCU
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2012-11-23T05:43:00 < dongs> looks as useless as all the previous bunnie products
2012-11-23T05:43:14 < dongs> now coupled with a kawaii jappu name to lure unsuspecting weaboos
2012-11-23T05:52:50 < dongs> ohh new dicktrace
2012-11-23T06:00:40 < emeb_mac> hah - translated the company name. how cute.
2012-11-23T06:01:09 < dongs> see what I mean?
2012-11-23T06:04:23 < emeb_mac> company based in Singapore, run by an american of chinese descent, with a japanese name. How cosmopolitan.
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2012-11-23T06:12:34 < dongs> he's about as much japanese as i'm african american
2012-11-23T06:16:11 < zippe> armada 166, I think that's PJ4b
2012-11-23T06:16:13 < zippe> sad
2012-11-23T06:16:39 < zippe> Oh crap no, it's the old one.
2012-11-23T06:16:56 < zippe> Stay.The.Fuck.Away.
2012-11-23T06:18:38 < dongs> has marvell released anything worthwhile, ever?
2012-11-23T06:18:55 < zippe> Surprisingly, yes
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2012-11-23T06:23:00 < dongs> like what/
2012-11-23T06:23:22 < dongs> i have a tray of their shitty armada cpus , i should try dumping that crap somewehre
2012-11-23T06:23:52 < dongs> 88F6281-A1-BIA2C12
2012-11-23T06:24:59 < dongs> or was tht sheeva
2012-11-23T06:25:02 < dongs> whatever, same shit
2012-11-23T06:26:00 < emeb_mac> sounds lame.
2012-11-23T06:26:36 < dongs> http://www.marvell.com/embedded-processors/kirkwood/ t his shit
2012-11-23T06:27:29 < emeb_mac> kirkwood - sounds intel-ish. Wonder if that's something that came from the xscale group that Marvell bought from intel.
2012-11-23T06:27:52 < dongs> these are old
2012-11-23T06:28:14 < dongs> 2009-ish
2012-11-23T06:28:19 < emeb_mac> yeah - that acquisition happened about 6 years ago.
2012-11-23T06:28:57 < dongs> Instead of employing ARM's Neon SIMD (single instruction multiple data) instruction set, the Armada products incorporate Wireless MMX2 technology, inherited from Intel when Marvell acquired the latter's XScale-based SoCs in 2006. The Armada SoCs additionally include Marvell's Qdeo video processing technologies, and the processors can also accelerate Adobe's Flash technology, the company says.
2012-11-23T06:29:42 < emeb_mac> I worked @ intel in the same building as a lot of those guys just before that.
2012-11-23T06:32:17 < emeb_mac> whatever happened to the old intel xscale wireless mmx extensions. Is that just a Marvell thing now?
2012-11-23T06:32:54 < dongs> http://www.tokyohackerspace.org/en tokyo hackerspace is in 2013 already
2012-11-23T06:32:56 < dongs> these guys are super pro
2012-11-23T06:33:14 < dongs> they must have stolen a gundam time machine
2012-11-23T06:33:22 < dongs> Submitted by Richard Frankum on Fri, 12/27/2013 - 17:30 guest speaker thsweekly
2012-11-23T06:33:24 < emeb_mac> lol
2012-11-23T06:34:41 < dongs> Tokyo Tech Community Organization Super Action Kawaii Group
2012-11-23T06:34:46 < dongs> irl lolling
2012-11-23T06:34:50 < dongs> attn baird ^
2012-11-23T06:35:50 < emeb_mac> get together and build bunnie's geiger counters!
2012-11-23T06:35:55 < dongs> yeah.
2012-11-23T06:36:06 < dongs> super kawaii geiger counters
2012-11-23T06:36:52 < emeb_mac> wonder if anyone actually uses those
2012-11-23T06:38:06 < dongs> http://www.tokyohackerspace.org/sites/default/files/photos/3892261409_5336266718_m.jpg found bunnie
2012-11-23T06:39:14 < emeb_mac> oooh - he's like jacked in or something.
2012-11-23T06:39:38 < dongs> that site has a new level of annoyance lightbox script
2012-11-23T06:39:46 < dongs> not only does it ignore shift-click and still pops up in a faux-window
2012-11-23T06:39:53 < dongs> but it also auto-advances to next pic after like 5 seconds
2012-11-23T06:39:57 < dongs> with no way to stop
2012-11-23T06:40:11 < emeb_mac> nice
2012-11-23T06:40:30 < emeb_mac> ohai - tarduino based geiger counter: http://tokyohackerspace.org/en/project/tokyo-hackerspace-netrad-geiger-shield
2012-11-23T06:40:39 < dongs> http://www.tokyohackerspace.org/sites/default/files/photos/2012-09-18_21-38_ths_whiteboard.jpg
2012-11-23T06:41:00 < emeb_mac> the world needs more zeppelins.
2012-11-23T06:41:04 < emeb_mac> with LEDs
2012-11-23T06:43:58 < emeb_mac> oops - netrad is not bunnie's geiger counter. his is this: http://blog.safecast.org/2012/06/safecast-geiger-counter-limited-edition/
2012-11-23T06:44:06 < dongs> https://docs.google.com/spreadsheet/ccc?key=0AnbuTpUfF4rBdDBONm9Yanoyb2trUVJUTEhOWU1seEE#gid=0 hasckerspaces are not profitable
2012-11-23T06:44:53 < dongs> also, dying
2012-11-23T06:45:00 < dongs> lol @ membership count page
2012-11-23T06:46:28 < emeb_mac> is that new members or total?
2012-11-23T06:46:35 < dongs> i think total
2012-11-23T06:46:40 < emeb_mac> pretty grim
2012-11-23T06:46:46 < dongs> lol
2012-11-23T06:46:53 < dongs> if  you notice, they had no electrical bill
2012-11-23T06:46:55 < dongs> for oct-nov-dec
2012-11-23T06:47:01 < dongs> so probably didnt even bother turning the lights on
2012-11-23T06:47:26 < emeb_mac> abadee-abadee that's all folks.
2012-11-23T06:48:42 < emeb_mac> not enough otaku in Tokyo to sustain a hackerspace?
2012-11-23T06:48:54 < baird> I've been looking at this over the past few days, actually.. http://secure.oatleyelectronics.com//product_info.php?products_id=946&osCsid=6e9930cf3ae1eba6b29bdac887120258
2012-11-23T06:49:36 < emeb_mac> the retro case really sells it.
2012-11-23T06:49:39 < dongs> thats pretty cheap
2012-11-23T06:49:45 < dongs> i think in tokyo the shit w as going for $300+
2012-11-23T06:49:49 < dongs> during the nuke craze
2012-11-23T06:50:22 < emeb_mac> these guys have a lot too: http://www.goldmine-elec-products.com/products.asp?dept=1468
2012-11-23T06:50:37 < emeb_mac> and their prices bumped up last year too.
2012-11-23T06:52:03 < dongs> http://www.node-lab.org/?p=16 super kawaii
2012-11-23T06:53:18 < dongs> http://okayamahs.web.fc2.com/index.html this is like 10 hours drive
2012-11-23T06:54:41 < dongs> we have: PC (windows 2, mac 1, cnc lunix 2) 2 CNC, 1 craftrobo (looks liek some kinda cutter), 5 arduino, 1 arduino bluetooth board, drill (for making holes), reciprocal saw, internet connection + wifi, soldering iron.
2012-11-23T06:55:15 < baird> I await the exclusive girls-only japanese highschool 'hackerspace', like everyone else in here.
2012-11-23T06:55:21 < dongs> haha
2012-11-23T06:55:37 < dongs> http://okayamahs.web.fc2.com/photos/files/page0-1018-full.jpg cant go wrong wih this
2012-11-23T06:55:54 < dongs> http://okayamahs.web.fc2.com/photos/files/page0-1003-full.jpg thought it was plastic until i clicked
2012-11-23T06:56:28 < dongs> http://sphotos-b.ak.fbcdn.net/hphotos-ak-snc7/424360_248824875206372_1472180800_n.jpg my pal has this same cnc
2012-11-23T06:56:39 < dongs> the proxxon drill in it is rated at about 30mins of continuous operation
2012-11-23T07:01:28 < emeb_mac> then what? Turns into a pumpkin?
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2012-11-23T07:40:50 < zippe> dongs: 6281 is Kirkwood; same core as the chip Bunnie is using
2012-11-23T07:41:04 < zippe> KW40 was better, but now canned I think
2012-11-23T07:41:17 < zippe> Rumour has it the entire Irvine group was laid off
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2012-11-23T09:51:44 < alexn> hello guys,
2012-11-23T09:52:04 < alexn> i need an j-link 9-pin cortex-M adpater.
2012-11-23T09:52:34 < alexn> these adpter are very expensive. does anyone know where i can get it cheaper.
2012-11-23T09:53:08 < alexn> http://de.mouser.com/Search/ProductDetail.aspx?qs=8mcwQFjNnDVV%2F7V82YiYrg%3D%3D
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2012-11-23T09:55:00 < Claude> alexn, sample the idc cable from e.g. http://www.samtec.com/ , and solder it yourself ?
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2012-11-23T09:56:29 < Claude> thats 1.27mm pitch idc ?
2012-11-23T09:56:54 < alexn> yeah, this is my second option. cable + connector cost 7 euros
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2012-11-23T09:57:09 < Claude> oh de.mouser . well samtec ships to germany too ;)
2012-11-23T09:57:16 < alexn> i dont know why these adpaters are so expensive.
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2012-11-23T09:58:44 < zyp> http://www.embeddedartists.com/products/acc/acc_jtag_adapter_kit.php
2012-11-23T09:59:08 < zyp> that's the one I got
2012-11-23T09:59:17 < alexn> cool. thanks.
2012-11-23T09:59:33 < zyp> not exactly cheap either, but still less than half the price of the one at mouser
2012-11-23T10:00:41 < alexn> zyp. its 1.27 pitch?
2012-11-23T10:00:49 < zyp> yes
2012-11-23T10:01:38 < alexn> does it ship ti germany
2012-11-23T10:02:02 < Claude> got some embedded artists stuff too (i'm in .de)
2012-11-23T10:02:04 < zyp> well, they shipped to norway, so I don't see why they wouldn't ship to germany
2012-11-23T10:02:48 < alexn> that's exactly what I need
2012-11-23T10:02:52 < alexn> ;-)
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2012-11-23T10:45:32 < dongs> found mantoys site for baird http://otonanokagaku.net/index.html
2012-11-23T10:46:54 < zyp> «adult's science» - I don't think I'll open that at work
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2012-11-23T10:52:54 < baird> Why do Jap websights all look like they were designed in 1996..
2012-11-23T10:54:22 < baird> That site has "best views at 800x600" all over it, plus the pagelayout harks to the worst of altavista..
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2012-11-23T10:56:02 < dongs> zyp: haha no its srslyt just tarduino mantoys
2012-11-23T10:56:34 < dongs> k bbl heading to onsen so i can wave my dong in front of old men
2012-11-23T10:57:23 < baird> and they wave back..
2012-11-23T11:25:20 < karlp> zyp: when I was looking at L1, it was lower power than msp430, and avr picopower in some areas, higher in others.
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2012-11-23T11:44:29 < zyp> yeah, that's reasonable
2012-11-23T11:45:19 < karlp> but it does at least count as low enough to be serious,
2012-11-23T11:45:30 < karlp> it's not just "oh we have a low power mode, so we call it low power"
2012-11-23T11:47:15 < zyp> I see L1 being advertised as 230uA/MHz
2012-11-23T11:47:31 < zyp> while msp430 is advertised as 100uA/MHz
2012-11-23T11:48:00 < karlp> low wnough for me.
2012-11-23T11:48:11 < zyp> but that might as well be made up for by the difference in MIPS/MHz
2012-11-23T11:48:13 < karlp> st and friends talk about what you can do in the same time.
2012-11-23T11:48:14 < karlp> yeah.
2012-11-23T11:54:18 < zyp> obviously enough, since what matters is the energy consumed to do the task at hand
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2012-11-23T13:16:15 < ntfreak> alexn: i use this one - https://www.olimex.com/Products/ARM/JTAG/ARM-JTAG-20-10/
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2012-11-23T13:36:14 < zyp> ah, that's a better price
2012-11-23T13:37:26 < dongs> sup dongs
2012-11-23T13:37:40 < dongs> well
2012-11-23T13:37:50 < dongs> those things are free for me :)
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2012-11-23T14:47:34 < alexn> thanks ntfreak
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2012-11-23T15:54:07 < dongs> https://youtube.com/watch?v=IJNR2EpS0jw wat
2012-11-23T15:58:02 < karlp> is that the melbourne rail thing?
2012-11-23T16:01:24 < baird> it must be yesterday in japan time
2012-11-23T16:03:07 < dongs> haha
2012-11-23T16:03:10  * karlp laughs
2012-11-23T16:03:13 < dongs> you could just say "old"
2012-11-23T16:03:18 < dongs> i wont be offended.
2012-11-23T16:03:23 < karlp> 28million views I think is the definition of old.
2012-11-23T16:03:34 < karlp> even if old is only 2 weeks or something.
2012-11-23T16:03:52 < dongs> nov 14 > nov 23
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2012-11-23T16:08:14 < quitte> Hi. Where do I find linker scripts for gcc?
2012-11-23T16:08:36 < karlp> in the topic, or in libopencm3
2012-11-23T16:08:55 < karlp> or, depending on how you interpret licenses, in the atollic example directories of the stdperiphlib
2012-11-23T16:09:21 < quitte> libopencm3 is great! thanks!
2012-11-23T16:09:44 < quitte> pretty much the missing piece I'm aware of to get vendor neutrality
2012-11-23T16:16:58 < dongs> attn flyback http://www.ebay.com/itm/260956056834
2012-11-23T16:19:19 < karlp> quitte: how far are you taking vendor neutrality?
2012-11-23T16:19:30 < karlp> across what sorts of platforms are you targetting?
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2012-11-23T17:27:30 <+Steffanx> boo
2012-11-23T17:29:53 < Oldboy> Use your private parts as piranha bait...
2012-11-23T17:34:03 < emeb_mac> alrighty then.
2012-11-23T17:34:35 < emeb_mac> so... hard... to... get... motivated...
2012-11-23T17:34:55 <+Steffanx> Then don't do what you're supposed to do
2012-11-23T17:48:18 < zyp> *yawn*
2012-11-23T17:48:25 < zyp> motivation is often the challenging part
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2012-11-23T19:05:22 < Laurenceb> http://www.dailymail.co.uk/news/article-2214430/Woman-avoided-prison-soliciting-dog-sex-accidentally-jailed-clerical-error.html
2012-11-23T19:07:11 < Laurenceb> looks relevant to baird
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2012-11-23T21:08:58 < qyx_> weird pin multiplexing scheme on lpc3130
2012-11-23T21:09:17 < qyx_> much worse than on any stm
2012-11-23T21:09:30 < zyp> isn't lpc3100 pretty old?
2012-11-23T21:10:04 < zippe> zyp: yes, arm9 IIRC
2012-11-23T21:10:11 < qyx_> is it? dont know, still in production
2012-11-23T21:10:20 < emeb> arm9 *ptui*
2012-11-23T21:10:57 < qyx_> at its cost around $4 it is maybe usable
2012-11-23T21:11:10 < zippe> Wow, that's kinda expensive
2012-11-23T21:11:55 < qyx_> is there something better and cheaper running linux?
2012-11-23T21:11:58 < qyx_> with mmu
2012-11-23T21:12:55 < zyp> I've heard you can emulate a mmu and run linux on avr
2012-11-23T21:13:12 < qyx_> :) ive read that
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2012-11-23T21:13:35 < qyx_> it would be good do have it booted in less than hour
2012-11-23T21:14:09 < emeb> it's worth the wait.
2012-11-23T21:14:44 < qyx_> ok, so now troll-free
2012-11-23T21:14:51 < qyx_> is there something better? :)
2012-11-23T21:15:41 < zyp> nothing I'm aware of
2012-11-23T21:18:16 < qyx_> hm
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2012-11-23T21:37:35 < emeb> call troll-free 1-800-555-1212 and reserve yours today!
2012-11-23T21:37:58 < zyp> can I reserve some motivation?
2012-11-23T21:38:17 < emeb> you too huh? I'm really dragging here.
2012-11-23T21:39:24 < emeb> got an email from a Prof. in UK who wants to use my F4-codec board for teaching a class on audio processing.
2012-11-23T21:40:04 < zyp> neat
2012-11-23T21:40:39 < emeb> yeah. I sent him the gerbers so he can get a batch made up.
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2012-11-23T21:41:15 < zyp> seems like one of my usb hubs are acting up
2012-11-23T21:42:20 < emeb> stuff plugged into that one doesn't work the same as when plugged into a different one?
2012-11-23T21:42:41 < zyp> no, wait, it's not just that hub
2012-11-23T21:44:22 < zyp> it started with one hub not wanting to enumerate new devices, but seems like it spread to the other hubs on the same bus too
2012-11-23T21:44:28 < zyp> enumerated devices are still working
2012-11-23T21:45:06 < emeb> whatever it is, it's contagious.
2012-11-23T21:45:14 < zyp> not sure whether it's the bus or driver that is acting up, I only have one bus available
2012-11-23T21:45:52 < emeb> time for a reboot.
2012-11-23T21:45:55 < zyp> the other buses are apparently only available on internal connectors on the motherboard, and I don't have them connected to anything
2012-11-23T21:46:22 < emeb> is this your hackintosh?
2012-11-23T21:46:22 < zyp> hmm
2012-11-23T21:46:24 < zyp> yes
2012-11-23T21:46:49 < zyp> probably host stack acting up, the devnodes for the BMP is still present even though I disconnected it
2012-11-23T21:47:06 < emeb> sounds like it.
2012-11-23T21:49:46 < zyp> wonder if I can unload/reload usb stack on os x
2012-11-23T21:49:49 < zyp> rmmod style
2012-11-23T21:50:10 < emeb> good question.
2012-11-23T21:50:22 < zippe> zyp: you'll have trouble
2012-11-23T21:50:28 < zyp> of course, that's going to kill my keyboard and everything :p
2012-11-23T21:51:04 < zippe> zyp: It's more that the HID system has userclients open, so you can't ever terminate the HID stack
2012-11-23T21:51:45 < zippe> You would need a network login, and then you'd have to rip most of userland apart before you got all the clients out of the way
2012-11-23T21:52:07 < zippe> SystemUIServer, for example
2012-11-23T21:52:18 < zyp> well, I do have ssh running, but yeah
2012-11-23T21:52:29 < zippe> Quicker just to reboot, really.
2012-11-23T21:52:50 < zippe> As long as you have apps set to re-open, all you'll lose is your terminal context
2012-11-23T21:53:04 < zippe> And that's only because zsh / iterm2 haven't got with the program yet
2012-11-23T21:54:47 < zyp> I'm aware of that, I don't really mind rebooting
2012-11-23T21:55:04 < zyp> 10.8 is neat that way
2012-11-23T21:56:19 < karlp> cool, rfid reader breakout thingy works
2012-11-23T21:56:33 < karlp> doesn't read the rfid tags I brought home from singapore, but reads the ones sparkfun sells
2012-11-23T21:57:07 < zyp> time to check all the cards in your wallet? :p
2012-11-23T21:57:31 < karlp> yep :)
2012-11-23T21:57:36 < karlp> got this one: https://www.sparkfun.com/products/8419
2012-11-23T21:57:38 < zyp> I think I counted five nfc cards last time I checked mine
2012-11-23T21:59:45 < karlp> office door card works, girlfriends office card doesnt
2012-11-23T21:59:52 < karlp> petrol pump nfc thing doesn't
2012-11-23T21:59:59 < karlp> might be the 12Mhz system
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2012-11-23T22:57:48 < gxti> does anyone successfully use gdb and openocd with e.g. stm32f1, and if so, what versions of gdb and openocd? i can get a breakpoint or halt with ctrl-c but stepping hangs, and all the higher stack frames show addrs like 0xfffffff0
2012-11-23T22:58:23 < gxti> using a stm32f4 discovery for SWD, if that helps
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2012-11-23T23:07:41 < emeb> don't think you'll find a lot of folks here who use openocd with ST-Link. I understand that it is supported, but haven't tried it myself.
2012-11-23T23:08:39 < gxti> i have a busblaster as well, had a really bad time doing any jtag with that previously but i should try it again
2012-11-23T23:08:51 < zyp> ntfreak would be the most knowledgeable person about that, he's an openocd developer
2012-11-23T23:08:52 < gxti> i'm also open to buying another adapter for swd if it works well
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2012-11-23T23:39:42 < gxti> so barring that, any ideas how to diagnose why chibios is faulting when i try to start a DMA transfer on SPI3, without a working debugger? :)
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--- Day changed Sat Nov 24 2012
2012-11-24T00:06:38 < zippe> gxti: which chip?
2012-11-24T00:06:46 < zippe> gxti: assuming F4, where is your DMA buffer?
2012-11-24T00:06:53 < gxti> F107
2012-11-24T00:07:15 < gxti> i had this working using stdperiph before i started porting to chibios, if that helps
2012-11-24T00:07:22 < zippe> You'll need to add code to the fault handler to decode the reasons
2012-11-24T00:07:26 < zippe> It's not hard
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2012-11-24T00:13:13 < gnomad> oh poo  http://i.imgur.com/Qbwpg.jpg
2012-11-24T00:13:27 < gnomad> it looks like i missed the carpool ride to the party.  :(
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2012-11-24T00:14:16 < gxti> interestingly, stlink fails differently. it halts on an earlier synchronous transfer that worked under openocd, and gdb barfs out a 'Writing to flash memory forbidden in this context' error. the buffer being transmitted there is in flash, fwiw.
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2012-11-24T00:26:43 < gnomad> and, i can't even get the right #channel.
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2012-11-24T00:52:45 < gxti> the fault handler seems to hang on the first instruction, testing LR which is 0xfffffff1, so probably my debugger is lying to me
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2012-11-24T01:00:03 < Laurenceb_> http://www.ghielectronics.com/catalog/product/337
2012-11-24T01:00:10 < Laurenceb_> interesting, hardcore usb connection
2012-11-24T01:00:49 <+Steffanx> hardcore?
2012-11-24T01:02:31 < zyp> hmm, F2
2012-11-24T01:02:56 < zyp> and a phy?
2012-11-24T01:03:10 < zyp> or is that a hub chip?
2012-11-24T01:03:43 < Laurenceb_> looks like a phy
2012-11-24T01:03:45 < zyp> combined hub and phy perhaps
2012-11-24T01:03:49 < zyp> since it has two ports
2012-11-24T01:03:52 < Laurenceb_> and an f2 with 2x usb otg
2012-11-24T01:03:57 < Laurenceb_> from the schematic
2012-11-24T01:04:13 < zyp> ah, I didn't see the schematic
2012-11-24T01:04:51 < zyp> right, so one HS port and one FS port then
2012-11-24T01:06:22 < zyp> wait, that's not sane
2012-11-24T01:06:37 < zyp> PB14/15 is OTG_HS internal phy
2012-11-24T01:06:48 < zyp> so one port is connected to internal phy and one to external
2012-11-24T01:06:51 < zyp> on same peripheral
2012-11-24T01:07:17 < zyp> nice fail there
2012-11-24T01:07:24 < Laurenceb_> wtf
2012-11-24T01:07:46 < zyp> no, wait
2012-11-24T01:07:49 < zyp> I misread
2012-11-24T01:07:54 < zyp> it's right
2012-11-24T01:07:58 < Laurenceb_> they claim it can talk to 2x usb stick and sd at once
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2012-11-24T01:08:03 < zyp> yes
2012-11-24T01:08:08 < Laurenceb_> neat
2012-11-24T01:08:22 < Laurenceb_> dual usb otg controllers?
2012-11-24T01:08:25 < zyp> one port is connected to OTG_FS and one is connected to both OTG_HS internal and external phy
2012-11-24T01:08:28 < zyp> so either can be used
2012-11-24T01:08:32 < Laurenceb_> right
2012-11-24T01:08:46 < zyp> well, of course, every F2/F4 has two otg controllers
2012-11-24T01:08:53 < Laurenceb_> oh yeah
2012-11-24T01:08:59 < Laurenceb_> i remeber battling that
2012-11-24T01:09:12 < Laurenceb_> chibios number was reversed or something stupid
2012-11-24T01:09:19 < zyp> :p
2012-11-24T01:37:24 < gxti> according to gdb, the contents of BFAR point to the address where BFAR is located. i think now gdb is just making fun of me.
2012-11-24T01:39:14 < zyp> :D
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2012-11-24T02:11:42 < Laurenceb_> http://forums.leaflabs.com/topic.php?id=1499
2012-11-24T02:11:44 < Laurenceb_> wut
2012-11-24T02:11:56 < Laurenceb_> gbulmer is a tard
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2012-11-24T03:48:49 < emeb_mac> everyone is asleep.
2012-11-24T03:56:13 < dongs> http://i.imgur.com/M3pUY.jpg got my hdmi>dp shit in.
2012-11-24T04:07:16 < emeb_mac> is that two separate boards or a stack?
2012-11-24T04:07:59 < emeb_mac> ie - do you need both of those to do hdmi->dp?
2012-11-24T04:08:21 < dongs> https://fbcdn-sphotos-h-a.akamaihd.net/hphotos-ak-ash4/302878_438524286195462_1425294751_n.jpg
2012-11-24T04:08:25 < dongs> hahah
2012-11-24T04:08:34 < dongs> emeb_mac: stack, hdmi input board and dp output board.
2012-11-24T04:08:52 < emeb_mac> oy! a lotta hardware involved.
2012-11-24T04:09:30 < dongs> no just those 2 chips. theres a bunch of extra shit on the evalboard that i wont need
2012-11-24T04:09:43 < emeb_mac> aha.
2012-11-24T04:10:00 < emeb_mac> "fight their way through the dongs" <- lol
2012-11-24T04:11:43 < emeb_mac> wonder if you could do hdmi->dp with just a good FPGA?
2012-11-24T04:12:08 < dongs> haha, 16+gbps?
2012-11-24T04:12:09 < dongs> good luck
2012-11-24T04:12:12 < emeb_mac> digilent sells FPGA boards with hdmi in/out.
2012-11-24T04:12:14 < dongs> dont  forget hdcp
2012-11-24T04:12:33 < emeb_mac> ah well yes that's a show stopper.
2012-11-24T04:12:56 < emeb_mac> are the dp lanes 16gbps each, or total?
2012-11-24T04:13:16 < dongs> total
2012-11-24T04:13:33 < dongs> lik 2.2gbps/lane and 5.something in high bitrate mode
2012-11-24T04:14:16 < emeb_mac> ok - that's not outside the capability of the serdes cores on Xilinx parts.
2012-11-24T04:14:32 < emeb_mac> Looks like Xilinx does have a DP core: http://www.xilinx.com/support/documentation/ipbusinterfacei-o_displays_displayport.htm
2012-11-24T04:14:40 < dongs> is it like $50k? haha.
2012-11-24T04:14:49 < emeb_mac> good question
2012-11-24T04:15:02 < dongs> last i looked into buying IP, shit was like $50k+ just to talk to you
2012-11-24T04:15:12 < dongs> was looking for some firewire shit, this was years ago thou
2012-11-24T04:16:00 < emeb_mac> some of their cores are free, but current/trendy stuff usually has a license fee.
2012-11-24T04:17:26 < emeb_mac> there was someone who managed to get around HDCP - maybe bunnie?
2012-11-24T04:18:01 < emeb_mac> anyway - looks like it'd be doable if you had enough time or money.
2012-11-24T04:18:03 < dongs> well, shrug
2012-11-24T04:18:07 < dongs> this is a proper solution
2012-11-24T04:18:12 < dongs> why would I nigger shit up like bunnie.
2012-11-24T04:18:20 < emeb_mac> yep - good for getting the job done.
2012-11-24T04:18:29 < dongs> he iddn't 'get around' it
2012-11-24T04:18:42 < dongs> since its block based, he simply inserted his own re-encrypted shit over the stream
2012-11-24T04:18:52 < dongs> he never decrypts the backround, he overlays his data.
2012-11-24T04:19:11 < emeb_mac> that sounds right. I remember reading through it back when.
2012-11-24T04:19:26 < dongs> hm, i didnt realize i didnt have stencils for your shit yet
2012-11-24T04:19:52 < emeb_mac> need me to spew them out?
2012-11-24T04:20:18 < dongs> no, i mean, the actual hardware  stencil. i think it got put into order queue
2012-11-24T04:20:24 < dongs> probably for next week
2012-11-24T04:20:28 < dongs> its ok, no time for it anywhow
2012-11-24T04:20:45 < emeb_mac> plenty of other stuff to do.
2012-11-24T04:20:57 < dongs> like figuring out this dp shit without any docs :p
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2012-11-24T04:21:08 < emeb_mac> \o/
2012-11-24T04:21:21 < dongs> i think i will need to edit EDID
2012-11-24T04:21:25 < dongs> with my supported resolutions
2012-11-24T04:21:35 < emeb_mac> is there an eeprom on the board?
2012-11-24T04:21:35 < dongs> otherwise HDMI end will never try sending > 1080pee
2012-11-24T04:21:39 < dongs> yeah several
2012-11-24T04:21:42 < dongs> and connectors to program them
2012-11-24T04:21:47 < dongs> and jumpers to select one or another
2012-11-24T04:21:54 < emeb_mac> but no docs? :P
2012-11-24T04:22:34 < dongs> tjere will be docs
2012-11-24T04:22:38 < dongs> however, what makes me happy is that
2012-11-24T04:22:44 < dongs> i see no attempt to length match traces
2012-11-24T04:22:46 < dongs> on teh evalboard
2012-11-24T04:22:50 < dongs> and it still works ok
2012-11-24T04:23:03 < dongs> and on 4l board DP lanes arent that thick
2012-11-24T04:23:42 < emeb_mac> hope you don't need all those passives.
2012-11-24T04:24:38 < dongs> the row of Rs is seems to be series resistors
2012-11-24T04:25:38 < emeb_mac> looks like the hdmi rx side has an audio decoder/output too
2012-11-24T04:26:03 < dongs> yeah, bunch of useless shit on thatr board
2012-11-24T04:26:29 < emeb_mac> two inputs - hot select?
2012-11-24T04:26:30 < dongs> ther's also some fucked up j-socket flash or something on teh backside
2012-11-24T04:27:28 < dongs> what the christ is this
2012-11-24T04:27:37 < dongs> MCP89L515AP
2012-11-24T04:27:52 < emeb_mac> looks like Microchip part number
2012-11-24T04:27:57 < dongs> MPC89L515AP rather
2012-11-24T04:27:57 < dongs> no
2012-11-24T04:28:06 < dongs> PLCC44 lol
2012-11-24T04:28:14 < dongs> its a fucing 8051
2012-11-24T04:28:14 < emeb_mac> yesterday...
2012-11-24T04:28:52  * emeb_mac has never used an 8051 and considers himself lucky.
2012-11-24T04:29:21 < dongs> company name is "megawin"
2012-11-24T04:29:21 < dongs> lol
2012-11-24T04:29:32 < emeb_mac> FTW!
2012-11-24T04:30:22 < dongs> shut up flyback .
2012-11-24T04:31:39 < dongs> psoc WAS 8051 based about 5 years ago
2012-11-24T04:31:49 < dongs> and noone cared back then, tehy switched to arm, still noione cares
2012-11-24T04:31:52 < dongs> arm of course.
2012-11-24T04:32:18 < emeb_mac> hmmm - psoc I used was a Renesas ip core. M8A or some such.
2012-11-24T04:32:23 < dongs> da fuq
2012-11-24T04:33:05 < emeb_mac> two accumulators, index reg, reminded me of a 6800 more than anything.
2012-11-24T04:33:08 < baird> Flea86 uses a 100MHz 8051 part in his DOS sim board.
2012-11-24T04:33:41 < dongs> emeb_mac: same  as STM8 core then
2012-11-24T04:33:47 < dongs> it has liek 3 regs
2012-11-24T04:33:50 < Bird|lappy> and yeah, don't forget about the SiLabs 8051s
2012-11-24T04:33:55 < emeb_mac> dongs: wouldn't surprise me.
2012-11-24T04:34:36 < baird> I found it amusing that the Super-H was used in those Robogarage robot girlies from a few years back. :)
2012-11-24T04:34:52 < emeb_mac> best 8051 - that's setting the bar low. :)
2012-11-24T04:35:52 < Bird|lappy> they make some pretty cool looking Cortex-M3 parts as well
2012-11-24T04:35:53 < emeb_mac> I think Cypress uses 8051 in their various USB chips.
2012-11-24T04:35:58 < dongs> tehy do
2012-11-24T04:36:03 < Bird|lappy> yeah, the EZ-USBs do use an 8051 core
2012-11-24T04:36:05 < dongs> i use their fx2 shit, thats 8051
2012-11-24T04:41:18 < dongs> i need to find a friend who's a vesa member, heh
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2012-11-24T04:45:10 < dongs> should see if vesa passwords are on bugmenot
2012-11-24T04:52:23 < dongs> cant find a fucking barrel conenctor and those morons didnt leave any other way to hookup power/gnd
2012-11-24T04:52:27 < dongs> assholes
2012-11-24T04:53:21 < emeb_mac> solder direct to the tabs on the connector?
2012-11-24T04:53:48 < dongs> found a cable i cut a while ago
2012-11-24T04:54:02 < emeb_mac> saved from the ghetto
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2012-11-24T04:58:10 < dongs> at least the boards power each otehr.
2012-11-24T04:58:28 < dongs> so i doint need to fuckin connectors
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2012-11-24T05:02:54 < zippe> Hm, I wonder if there's a newer version of RM0090
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2012-11-24T05:03:56 < dongs> rev3 or something is what i got
2012-11-24T05:05:52 < cdh> The Rev3 RM0090 I just downloaded is dated November 2012.
2012-11-24T05:08:12 < cdh> Specifically 13 Nov 2012 (C2 v2.1.0 build 004)
2012-11-24T05:09:24 < cdh> It's about 100 pages larger than the sep 2011 version I replaced.
2012-11-24T05:28:05 < emeb_mac> from the changelog: "Added STM32F42x and STM32F43x devices."
2012-11-24T05:41:42 < emeb_mac> looks like the F42x has more SRAM/Flash and faster ADCs.
2012-11-24T05:44:20 < zippe> Yah, new datasheet too
2012-11-24T05:44:36 < zippe> emeb_mac: I believe they've increased the max core clock to 200MHz as well
2012-11-24T05:45:27 < zippe> Hmm, no, still listed at 168.
2012-11-24T05:45:47 < emeb_mac> yep
2012-11-24T05:46:27 < emeb_mac> trying to discern a difference between the 42x and 43x
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2012-11-24T05:47:29 < emeb_mac> looks like 43x has some crypto stuff.
2012-11-24T05:50:25 < emeb_mac> oop - wrong about the ADCs - same speed as 40x/41x
2012-11-24T05:50:48 < emeb_mac> more comm periphs on the 42x/43x tho
2012-11-24T05:51:58 < emeb_mac> (more spi ports)
2012-11-24T05:54:56 < cdh> 42x and 43x have 256K int SRAM -- looks like they added another 64KB block compared to the 40x and 41x
2012-11-24T05:59:43 < emeb_mac> yup
2012-11-24T05:59:53 < emeb_mac> and 2M flash instead of 1M
2012-11-24T06:00:50 < cdh> That's very nice.  Makes me want to ask our HW designer to switch.  Any chance these are pin-compatible?
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2012-11-24T06:03:20 < emeb_mac> depends on the pkg you're currently using.
2012-11-24T06:03:43 < emeb_mac> looks like the 68-pin lqfp isn't available for the 2x
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2012-11-24T06:08:08 < cdh> I'm using the STM32F407IGH6, which I believe is a BGA 176
2012-11-24T06:09:43 < emeb_mac> looks like that pkg is available for the 427x
2012-11-24T06:11:23 < emeb_mac> and the compatibility page for the BGA176 shows it should match up
2012-11-24T06:11:39 < cdh> Sweet!  Thanks emeb_mac.
2012-11-24T06:12:03 < emeb_mac> probably want to check specifically for your app: http://www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERATURE/DATA_BRIEF/DM00053484.pdf
2012-11-24T06:12:42 < emeb_mac> and who knows when you'll be able to actually buy the damn things. Not in DK yet.
2012-11-24T06:13:18 < zippe> Nice, they mapped the additional 64KiB somewhere sensible, too
2012-11-24T06:13:54 < dongs> like whre
2012-11-24T06:15:33 < emeb_mac> tacked it onto the end of the 128k @ 0x08000000
2012-11-24T06:16:08 < emeb_mac> so 192k contiguous for DMA, etc.
2012-11-24T06:16:16 < cdh> Isn't flash at 0x08000000?
2012-11-24T06:16:37 < emeb_mac> cdh - you're right - I meant the sram @ 0x20000000
2012-11-24T06:17:26 < cdh> Pretty smart to tack it on the end.  I think people already have a problem trying to take advantage of the CCM.  I use it mostly for stack.
2012-11-24T06:17:34 < emeb_mac> at least they didn't append it to the 64k CCM
2012-11-24T06:17:55 < emeb_mac> I use it for audio buffers :)
2012-11-24T06:18:11 < emeb_mac> (that don't get DMAed)
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2012-11-24T06:18:26 < cdh> Ah.  I was just going to ask about DMA.  :)
2012-11-24T06:18:41 < emeb_mac> stack would be good too
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2012-11-24T06:19:46 < cdh> I put a runtime stack at the base 0x10000000, so if code walks off the end of it, it'll generate a processor exception.  I put an exception stack immediately above this.
2012-11-24T06:20:31 < emeb_mac> good idea
2012-11-24T06:20:53 < emeb_mac> the recursion stopper.
2012-11-24T06:21:47 < cdh> heh heh.  Sooner or later, recursion gets the best of everyone.
2012-11-24T06:22:48 < cdh> In the ST parametric search, they also list 1xSAI as a difference between the f42/f43 and the f40/f41.  Any idea what this is?
2012-11-24T06:23:05 < dongs> look up SAI in datasheet?
2012-11-24T06:24:02 < emeb_mac> not showing up in the brief
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2012-11-24T06:31:42 < dongs> maybe it stands for Secret Alien Interface
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2012-11-24T06:34:57 < emeb_mac> definitely secret
2012-11-24T06:35:17  * emeb_mac studies zyp's laks code.
2012-11-24T06:35:25 < emeb_mac> mmmm... salmon.
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2012-11-24T07:16:40 < gxti> ugh, i got my project building in atollic studio and its debugger seems to work, but i can only reproduce the fault if i press 'continue' -- stepping through the function works
2012-11-24T07:16:52 < dongs> http://i.imgur.com/5RpKl.jpg
2012-11-24T07:16:58 < gxti> except the DMA callback never fires so i guess it doesn't "work". but it doesn't fault.
2012-11-24T07:19:29 < cdh> My current guess for the f42x/f43x is that SAI means Serial Audio Interface.    I guess that'd be some enhanced version of I2S.
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2012-11-24T07:31:32 < emeb_mac> dongs: shiny!
2012-11-24T07:32:38 < emeb_mac> cdh - sounds like Freescale nomenclature
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2012-11-24T07:33:05 < emeb_mac> they use a lot of that sort of terminology in their old 56K dsp parts
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2012-11-24T07:33:51 < cdh> emeb_mac - Yeah, that's where I found the reference.  No idea why ST-Micro would want to use that, unless they are trying to associate the STM32F4 DSP with it.
2012-11-24T07:34:58 < emeb_mac> Well, the current I2S is part of the SPI ports and has some limitations (they're half-duplex for one)
2012-11-24T07:35:29 < emeb_mac> maybe the SAI is a full-duplex serial data port that can handle a number of different formats beyond basic I2S.
2012-11-24T07:36:05 < cdh> Starting to make sense, since they increased the number of SPI interfaces.
2012-11-24T07:36:09 < emeb_mac> eg - the Wolfson codec I use most often can do a few other formats.
2012-11-24T07:36:52 < emeb_mac> kinda funny that they didn't call it out in the brief though.
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2012-11-24T07:39:27 < emeb_mac> Oh - did you notice that the SPI ports are now rated to run at 42Mbps instead of 37.5 as in the 40x/41x?
2012-11-24T07:40:47 < cdh> Didn't notice that.
2012-11-24T07:41:41 < gxti> figured my crap out, was allocating SPIConfig from the stack
2012-11-24T07:41:54 < gxti> forgot and/or didn't make the connection that it was being saved
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2012-11-24T08:55:24 < baird> 32MB Linux gentoo box is still compiling away..
2012-11-24T09:03:18 < emeb_mac> 32MB - that's pretty small
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2012-11-24T09:29:13 < dongs> sup dongs
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2012-11-24T09:57:13 < Oldboy> sup dongs
2012-11-24T09:57:35 < baird> Hey, I think I'll go boot a Windows XP machine with 32MB of RAM next! :D
2012-11-24T09:57:36 < Oldboy> dongsup
2012-11-24T09:57:58 < Oldboy> dongsdown
2012-11-24T10:05:39 < dongs> donging on dongs
2012-11-24T10:15:30 < baird> I was a teenage dongqueen
2012-11-24T10:42:14 < jpa-> baird: try compiling Qt or KDE with 32MB ram :)
2012-11-24T10:48:20 < dongs> emerge dongs
2012-11-24T10:54:38 < jpa-> emerge unmerge dongs
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2012-11-24T15:41:12 < zyp> http://bin.jvnv.net/f/avOZ4.png <- now it's starting to look more sane
2012-11-24T15:41:31 <+Steffanx> It makes sense :)
2012-11-24T15:41:38 < zyp> yep
2012-11-24T15:42:16 < zyp> probably time to write SD code now, so I can return something more interesting than all zeros :p
2012-11-24T15:42:25 <+Steffanx> That usb analyzer can do unit tests?
2012-11-24T15:42:32 < zyp> huh?
2012-11-24T15:42:42 <+Steffanx> Or is that some usb stuff?
2012-11-24T15:42:49 <+Steffanx> Test Unit Ready: passed :)
2012-11-24T15:42:49 < zyp> the usb analyzer just logs the communication between host and device
2012-11-24T15:43:12 < zyp> this is all standard MSC traffic
2012-11-24T15:44:06 < zyp> «test unit ready» is SCSI for «hey, what's up?»
2012-11-24T15:44:08 < jpa-> "test unit ready" is just msc version of ping
2012-11-24T15:44:20 < Erlkoenig> poioioing
2012-11-24T15:45:08 <+Steffanx> At least jpa- and zyp sort of agree on that
2012-11-24T15:45:08 < Erlkoenig> could it damage a STM32F4 to have an external pullup of 10kOhm to +12V on an GPIO pin?
2012-11-24T15:45:28 < zyp> check injected current specs in the datasheet
2012-11-24T15:45:30 < jpa-> Erlkoenig: on a 5V-tolerant pin, it would damage
2012-11-24T15:45:41 < jpa-> on 3.3V pin, it would clamp it through the diodes
2012-11-24T15:45:52 < zyp> it documents the limits for how much current you are allowed to inject without breaking the chip
2012-11-24T15:46:13 < jpa-> but in reality, just put a schottky diode from the pin to VCC and you are fine
2012-11-24T15:46:33 < Erlkoenig> hm, "Injected current on five-volt tolerant I/O" -5/+0  mA
2012-11-24T15:46:41 < Erlkoenig> thats ungood
2012-11-24T15:46:47 < jpa-> yep
2012-11-24T15:47:28 < zyp> hmm, «positive injection is not possible»
2012-11-24T15:47:55 < jpa-> i have read that as "there are no protection diodes" but i don't know what it really means
2012-11-24T15:49:00 < Erlkoenig> the problem is: the pins generate a PWM signal for another board, which only has +12V/GND, so i can only add pullups there to +12V
2012-11-24T15:49:26 < Erlkoenig> and leaving out the pullups could maybe damage something on that board, when the STM is not connected :S
2012-11-24T15:49:31 < zyp> buffer it through a transistor
2012-11-24T15:49:59 < jpa-> Erlkoenig: is the other board fine with 3.3V levels?
2012-11-24T15:50:11 < Erlkoenig> yes, the +3.3V/0V input works
2012-11-24T15:50:21 < jpa-> so you can use a diode to clamp it to the 3.3V rail
2012-11-24T15:50:35 < Erlkoenig> on the STM32's board? yes, that sounds good
2012-11-24T15:50:42 < jpa-> also if the STM32 pins are always configured as outputs, it is ok (but dangerous)
2012-11-24T15:51:02 < Erlkoenig> the forward voltage of the diode is no problem here as 3.3V+0.7V < 5V right?
2012-11-24T15:51:03 < jpa-> (because during boot they wouldn't be outputs)
2012-11-24T15:51:15 < jpa-> Erlkoenig: use a schottky, but yeah, it's < 5V
2012-11-24T15:51:42 < jpa-> Erlkoenig: do note that apparently the 5V tolerant pins are only 4V tolerant when Vcc = 0V
2012-11-24T15:51:42 < Erlkoenig> okay thanks i'll do that :)
2012-11-24T15:52:12 <+Steffanx> "apparently" <= experience of datasheet info?
2012-11-24T15:52:15 < jpa-> (but if you clamp to Vcc, it's all good and fine)
2012-11-24T15:52:25 < jpa-> Steffanx: my impression out of the datasheet, but i'm no EE
2012-11-24T15:52:27 < Erlkoenig> hmm what is Vcc here?
2012-11-24T15:52:32 < jpa-> Erlkoenig: STM32 Vcc
2012-11-24T15:52:39 < jpa-> or Vdd, whatever
2012-11-24T15:52:44 < Erlkoenig> ah Vdd okay ;)
2012-11-24T15:53:01 < jpa-> my fets have emitter, collector and base
2012-11-24T15:53:56 < Erlkoenig> in the sheets it's always called Vdd so i was confused ;)
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2012-11-24T16:09:38 < Laurenceb_> something for dongs
2012-11-24T16:09:42 < Laurenceb_> www.whitewatch.info/
2012-11-24T16:09:51 < dongs> been waiting for some new linkfrom you
2012-11-24T16:11:12 < dongs> haha
2012-11-24T16:11:23 <+Steffanx> Good morning
2012-11-24T16:11:50 < Laurenceb_> someone should send them some of bairds antics
2012-11-24T16:14:13 < dongs> http://whitewatch.info/2012/11/17/boy-16-to-stand-trial-for-killing-his-great-grandmother-with-a-sword-after-told-to-stop-playing-video-games--.aspx hahah
2012-11-24T16:20:31 <+Steffanx> Nothing funny..
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2012-11-24T17:13:50 < emeb_mac> morning y'all
2012-11-24T17:15:38 < dongs> bloggin on blogs
2012-11-24T17:15:43 < dongs> wehn emeb shows up that probably means i should sleep
2012-11-24T17:17:29 < zyp> emeb_mac, morning
2012-11-24T17:17:51 < emeb_mac> dongs: lol
2012-11-24T17:18:20 < emeb_mac> zyp: howdy. studying laks - figured out references last night.
2012-11-24T17:18:29 < zyp> :)
2012-11-24T17:19:25 < zyp> references is not so hard, it's just const pointers that's used like they are not pointers
2012-11-24T17:19:34 < emeb_mac> yup
2012-11-24T17:19:48 < emeb_mac> "the reference is the referent"
2012-11-24T17:20:38 < emeb_mac> saw the "Pin& name = Pxx;"  and wondered wtf.
2012-11-24T17:21:04 < dongs> too much gcc
2012-11-24T17:21:17 < emeb_mac> not just gcc - basic C++
2012-11-24T17:21:29 < dongs> well, yeah.  that is.
2012-11-24T17:21:33 < dongs> but the rest of laks.
2012-11-24T17:21:34 < zyp> would work equally well without the &, but would copy the object instead of refer to it
2012-11-24T17:21:53 < emeb_mac> and thus make the data footprint larger.
2012-11-24T17:21:54 < zyp> (though, in most cases both should be optimized to ~nothing)
2012-11-24T17:22:58 < dongs>  #elif defined(STM32F3) || defined(STM32F4) Input,
2012-11-24T17:23:07 < dongs> no explicit index?
2012-11-24T17:23:13 < dongs> is the shit 0..x on f3+?
2012-11-24T17:23:32 < zyp> emeb_mac, by the way, what do you think about instancing Pin-objects from an expression like GPIOB[5] instead of predeclaring all the objects like PB5?
2012-11-24T17:23:59 < dongs> hm pb5 is more readable, i guess.
2012-11-24T17:24:04 < emeb_mac> that
2012-11-24T17:24:21 < zyp> but more work to maintain
2012-11-24T17:24:23 < dongs> but clearly GPIOB[5] would be much easier to do
2012-11-24T17:24:29 < zyp> exactly
2012-11-24T17:24:31 < jpa-> i would just assign them names in my own code anyway
2012-11-24T17:24:32 < dongs> setup-wsie
2012-11-24T17:24:42 < zyp> jpa-, yes, that's what I also figure
2012-11-24T17:24:44 < jpa-> Pin sdcard_enable = PB5; or something
2012-11-24T17:24:54 < emeb_mac> Pxx is more in line with the ST naming, but GPIOx[x] is fine
2012-11-24T17:25:10 < jpa-> and PB5 would pollute the namespace too much IMO
2012-11-24T17:26:09 < jpa-> (i might not use GPIOB either, though, because it would conflict with stm32fxxx.h, and when porting code it may be necessary to use both laks and stdperiph in the same code)
2012-11-24T17:26:22 < zyp> I'm playing around with pin lists, for peripherals using a lot of pins
2012-11-24T17:26:26 < zyp> http://paste.jvnv.net/view/uSOUD
2012-11-24T17:26:50 < emeb_mac> looking through the linker script and vector table, saw that the stack pointer is alway init to 0x20004ffc?
2012-11-24T17:27:14 < emeb_mac> regardless of the actual device SRAM size?
2012-11-24T17:27:22 < zyp> emeb_mac, yes, I never bothered changing that, I'm planning to do it when I revise the startup/vector code
2012-11-24T17:27:32 < emeb_mac> OK, just curious.
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2012-11-24T17:28:04 < zyp> I haven't needed more memory yet, so it's still hardcoded from I started playing with F103 ;)
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2012-11-24T17:28:12 < dongs> heh
2012-11-24T17:28:13 < jpa-> zyp: i wonder if a PinConfig(pin, mode, speed, afio) object could be useful; then you could just have a   configure_bunch_of_pins(PinConfig pins[], int count);  function
2012-11-24T17:28:36 < dongs> apparently if you use gcc,  you dont need the count part.
2012-11-24T17:28:45 < jpa-> nuttx does it kind of that way, by encoding all that stuff into a uint32_t; the peripheral drivers take those encoded values and use them to configure the pins
2012-11-24T17:28:46 < dongs> for(Pin& p : sdio_pins) {
2012-11-24T17:29:02 < jpa-> dongs: that's just C++11
2012-11-24T17:29:04 < zyp> that's C++11
2012-11-24T17:29:12 < jpa-> dongs: get used to it, it is here to stay
2012-11-24T17:29:14 < dongs> more like gcC++11
2012-11-24T17:29:21 < jpa-> dongs: clang supports it
2012-11-24T17:29:30 < dongs> jpa, any commercial compiler supports it?
2012-11-24T17:29:33 < zyp> doesn't MSVC also support it?
2012-11-24T17:29:39 < dongs> highly doubt it.
2012-11-24T17:29:50 < zyp> I believe it's supposed to have a fair amount of C++11 support
2012-11-24T17:30:16 < zyp> http://blogs.msdn.com/b/vcblog/archive/2011/09/12/10209291.aspx
2012-11-24T17:30:26 < jpa-> visual c++ 11 does support it
2012-11-24T17:30:27 < zyp> «UPDATE - March 2, 2012: the range-based for-loop and override/final v1.0 have been implemented in VC11 Beta.»
2012-11-24T17:31:20 < dongs> oh well
2012-11-24T17:31:21 < dongs> bedtime
2012-11-24T17:31:38 < jpa-> :D
2012-11-24T17:31:52 < karlp> "SCARY iterators"
2012-11-24T17:32:01 < karlp> what a great name for a lanuage feature
2012-11-24T17:32:03 < zyp> jpa-, I'm thinking about combining all the set_*() methods on Pin objects into a configure()-method that takes all kinds of arguments
2012-11-24T17:33:18 < zyp> since that would be more portable across chip families
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2012-11-24T18:06:42 < emeb_mac> sounds good
2012-11-24T18:11:02 < zyp> jpa-, regarding the name conflicts, that can easily be avoided by packing laks stuff in a C++ namespace
2012-11-24T18:12:47 < jpa-> true
2012-11-24T18:13:10 < jpa-> is it by default?
2012-11-24T18:14:02 < zyp> currently not
2012-11-24T18:14:47 < zyp> if needed, I might add it during some future refactoring
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2012-11-24T18:32:48 < emeb_mac> http://p4r.buzzleberry.com/?p=481
2012-11-24T18:33:47 < jpa-> oh noes, penis images
2012-11-24T18:34:05 < emeb_mac> 20%
2012-11-24T18:37:46 <+Steffanx> Why people think that is content for this channel? :)
2012-11-24T18:38:43 < BrainDamage> machine vision
2012-11-24T18:39:07 < gxti> with no details or even a source? right
2012-11-24T18:40:43 < emeb_mac> sorry
2012-11-24T18:41:57 < emeb_mac> i'll try to work it off by more germane postings in future.
2012-11-24T18:45:54 <+Steffanx> Actually it's content for ths channel, but only when dongs and Laurenceb are around :)
2012-11-24T18:46:15 < emeb_mac> lol
2012-11-24T18:50:37 < zyp> hmm, I should probably get some more uSD cards to test with
2012-11-24T18:50:48 < zyp> I can't test SDHC stuff with a SDSC card :p
2012-11-24T18:53:14 < emeb_mac> what's the difference (besides speed)?
2012-11-24T18:53:17 < emeb_mac> commands?
2012-11-24T18:54:01 < zyp> yep
2012-11-24T18:54:14 < zyp> the card I've got here now doesn't respond to CMD8
2012-11-24T18:54:31 < emeb_mac> are all uSD cards SDHC compatible?
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2012-11-24T18:54:48 < zyp> huh?
2012-11-24T18:55:03 < zyp> SDHC is mostly for >2G-cards, no?
2012-11-24T18:55:08 < zyp> this is a 1G card
2012-11-24T18:55:19 < emeb_mac> ok - mostly capacity related.
2012-11-24T18:55:26 < emeb_mac> not form factor
2012-11-24T18:55:41 < zyp> well, also some differences in voltage and speed
2012-11-24T18:56:03 < zyp> I think CMD8 is related to voltage negotiation
2012-11-24T18:56:09 < emeb_mac> it's getting hard to find uSD cards < 4GB around here.
2012-11-24T18:56:49 < zyp> I don't have a lot of uSD cards
2012-11-24T18:57:14 < zyp> I've got this 1G card I'm testing with, and then a 8G card in my phone, but I think that's it
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2012-11-24T18:57:26 < emeb_mac> I've got a fair number from Beagleboard days.
2012-11-24T18:57:34 < zyp> uSD?
2012-11-24T18:57:44 < emeb_mac> yeah - adapters
2012-11-24T18:57:51 < zyp> I got a bunch of full sized SD cards
2012-11-24T18:57:57 < emeb_mac> ditto
2012-11-24T18:58:30 < emeb_mac> I did a dsPIC boards with uSD too. and an old LPC ARM.
2012-11-24T18:58:36 < emeb_mac> all SPI tho
2012-11-24T18:59:11 < zyp> I might add both SDIO and SPI support to this code
2012-11-24T18:59:16 < zyp> considering how similar it is
2012-11-24T18:59:37 < Laurenceb_> SDXC or whatever the really fast one is has a DDR mode
2012-11-24T18:59:49 < zyp> F4 only supports SDR
2012-11-24T18:59:50 < Laurenceb_> and 1.8v operation iirc
2012-11-24T18:59:52 < Laurenceb_> yeah
2012-11-24T19:00:26 < gxti> the small stuff will always be around for embedded purposes, but the prices will eventually start increasing instead of decreasing :P
2012-11-24T19:00:52 < gxti> i managed to get a 2GiB SD for my oscope without too much trouble
2012-11-24T19:01:05 < Laurenceb_> why bother?
2012-11-24T19:01:13 < Laurenceb_> or does the scope only support that size?
2012-11-24T19:01:16 < gxti> ^
2012-11-24T19:01:20 < Laurenceb_> ah
2012-11-24T19:01:27 < Laurenceb_> i stick 4 or 8GB in all my kit
2012-11-24T19:01:38 < gxti> you would think that whatever geniuses are coming out with these SD specs would finally get the picture and find a way to future-proof it
2012-11-24T19:01:42 < emeb_mac> I need to try out the SD stuff on my F405 board
2012-11-24T19:02:27 < emeb_mac> but that's probably a couple of days of hackery and I've got so much other stuff to do
2012-11-24T19:03:05 < emeb_mac> like sitting on this chair vegging out on IRC :P
2012-11-24T19:03:19 < zyp> :p
2012-11-24T19:03:48 < emeb_mac> enough - time to move to another chair...
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2012-11-24T19:16:34 < Laurenceb_> http://imagebin.org/index.php?mode=image&id=237042
2012-11-24T19:17:30 < Laurenceb_> extra bomb like datalogger
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2012-11-24T19:19:15 < BrainDamage> http://www.sbrac.org/files/Dongle4.JPG pipebomb shaped rtl-sdr case ( not my work )
2012-11-24T19:19:54 < Laurenceb_> heh
2012-11-24T19:29:50 < emeb> cute rtl-sdr
2012-11-24T19:31:59 < emeb> looks like real copper pipe - wonder if that helps shielding, or if there
2012-11-24T19:32:13 < emeb> 's enough self-noise to actually make a metal case worse.
2012-11-24T19:39:51 < BrainDamage> it's for shielding, the guy that made it knows what he's doing, he worked as rf engineer for a long time and now is working on a radio telescope in his spare time, so I'd imagine it lowers
2012-11-24T19:40:14 < BrainDamage> in fact, external interferences are rather nasty on those dongles, even ferrites on the usb make a big difference
2012-11-24T19:41:41 < Laurenceb_> yes
2012-11-24T19:41:46 < Laurenceb_> mine is rather poor
2012-11-24T19:41:58 < Laurenceb_> i made a cc1020 sdr receiver a while back
2012-11-24T19:42:20 < Laurenceb_> works quite well, just limited by the ~12dB noise figure for the cc1020 front end
2012-11-24T19:42:44 < Laurenceb_> does an stm32 peripheral need to be clocked to apply reset?
2012-11-24T19:44:59 < zyp> no idea
2012-11-24T19:45:43 < Laurenceb_> ref manual tiem
2012-11-24T19:48:13 < emeb> current STM32 project: http://i.imgur.com/XyOrw.jpg
2012-11-24T19:49:18 < Laurenceb_> grrr ref manual isnt clear
2012-11-24T19:50:10 < Laurenceb_> wow
2012-11-24T19:50:15 < Laurenceb_> thats one big F4
2012-11-24T19:50:18 <+Steffanx> What is it?
2012-11-24T19:50:30 < emeb> audio dsp for electronic music
2012-11-24T19:53:47 < emeb> that's just a proto/dev board stack. the production version will probably bring the little memory daughter card down onto the main dsp board.
2012-11-24T19:59:51 < jpa-> 144 pin?
2012-11-24T20:00:32 < emeb> yes
2012-11-24T20:00:39 < jpa-> yeah, i'm using the same
2012-11-24T20:00:59 <+Steffanx> No, not possible
2012-11-24T20:01:02 < emeb> most of the pins used too - only about 27 unused.
2012-11-24T20:01:06 <+Steffanx> His one is on his desk
2012-11-24T20:01:16 < emeb> har
2012-11-24T20:01:36 < jpa-> 2 layer board?
2012-11-24T20:01:42 < emeb> 4
2012-11-24T20:01:48 < jpa-> ah
2012-11-24T20:01:52 < jpa-> you have better than me :)
2012-11-24T20:02:13 < jpa-> though i'll add nice intact GND plane when i move to 4 layers after proto
2012-11-24T20:02:34 < emeb> yeah - lyr 2,3 mostly power & gnd.
2012-11-24T20:04:21 < emeb> lol - currently the dsp is set up for ~ 3 sec delay w/ 100% feedback. Sneezed about 10min ago and it's still echoing.
2012-11-24T20:04:41 < zyp> ha
2012-11-24T20:11:34 < gxti> what are some clever tricks for profiling how busy the CPU is? i'm using chibios, maybe a counter in the main or idle thread and see how high it increments each second?
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2012-11-24T20:12:19 < emeb> I set up some spare GPIOs. set high when entering an ISR, drop when leaving.
2012-11-24T20:12:35 < emeb> use the 'scope to see how much of the CPU is busy by comparing duty cycles.
2012-11-24T20:13:17 < emeb> but that's probably not too helpful with a lot of ISRs running.
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2012-11-24T20:14:36 < cdh> I set TIM2 to free running and diff samples between start and end of an ISR.  This diff is added to a running count for the interrupt.  I also have an interrupt on TIM2 rollover (~72 sec) which lets me increment high 32-bit word.  Time in ISR / runtime = % busy in interrupt.
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2012-11-24T20:18:17 < cdh> emeb - I like the GPIO idea.  It gives a different picture, such as how long you're staying in interrupt context each time.  Thanks for the tip.
2012-11-24T20:18:29 < emeb> it's pretty handy.
2012-11-24T20:18:53 < emeb> also can show you when one ISR overrides another in the priority.
2012-11-24T20:19:54 < cdh> That would have been very helpful when I was debugging my interrupt priority issues last week.
2012-11-24T20:20:53 < emeb> indeed.
2012-11-24T20:21:30 < emeb> I've got two main ISRs - audio processing and control voltage averaging. Audio takes about 80% of the CPU while CV takes about 2%
2012-11-24T20:21:51 < jpa-> gxti: in chibios, there is built-in counter stuff that you can check e.g. through the chibios command line
2012-11-24T20:22:04 < emeb> I can see when the audio steps on the cv because its duty cycle stretches out temporarily.
2012-11-24T20:32:07 < Laurenceb_> you could use gprof
2012-11-24T20:36:45 < jpa-> Laurenceb_: you got it working?
2012-11-24T20:37:31 < Laurenceb_> nope :P
2012-11-24T20:37:35 < Laurenceb_>   _could_
2012-11-24T20:38:05 < gxti> i'm gonna try the idle thread thing, i don't need details just a percentage use
2012-11-24T20:38:25 < gxti> i don't have many ISRs now but the project is only half done and i still have to add the entire ethernet stack
2012-11-24T20:39:37 < jpa-> https://svn.kapsi.fi/jpa/sphere2/src_common/sphere_shell.c   check cmd_threads there, it shows how to read tp->p_time to check how many milliseconds each thread has run
2012-11-24T20:39:47 < jpa-> (i.e. been active)
2012-11-24T20:39:54 < Laurenceb_> i might try and impliment gprof.. some time
2012-11-24T20:40:17 < Laurenceb_> need to fix my vehicle datalogger this weekend
2012-11-24T20:40:26 < Laurenceb_> i2c breaks about once every 50 hours
2012-11-24T20:41:19 < Laurenceb_> seriously annoying to debug
2012-11-24T20:43:22 < Laurenceb_> might just be interference
2012-11-24T20:43:42 < jpa-> your error recovery sucks
2012-11-24T20:43:43 < Laurenceb_> its got long cables coming off an is right next to a tetra transceiver
2012-11-24T20:43:46 < Laurenceb_> heh
2012-11-24T20:43:55 < Laurenceb_> its recovers from most errors
2012-11-24T20:44:07 < Laurenceb_> seems sometimes the i2c periph locks up
2012-11-24T20:44:17 < Laurenceb_> ill add something to reinit it
2012-11-24T20:54:44 < Laurenceb_> emeb: but do you use oxygen free single crystal copper?
2012-11-24T20:54:55 < Laurenceb_> and are those monster cables?
2012-11-24T20:56:29 < emeb> Laurenceb_: no - I'm not audiophool.
2012-11-24T20:57:15 < emeb> I use the cheapest cables I can find - the ones that come bundled in the box with stereo components.
2012-11-24T20:57:26 < Laurenceb_>  :P
2012-11-24T20:57:34 < emeb> or from the $0.99 store.
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2012-11-24T21:18:05 < emeb> zyp: so for proper checking in the acm demo, insert while(usb.ep_ready(1)==0); before usb.write() ?
2012-11-24T21:22:01 < zyp> while(!usb.ep_ready(1)); is what I usually write
2012-11-24T21:22:52 < emeb> yep
2012-11-24T21:25:56 < zyp> note that blocking in handle_out() means blocking the entire receive part of the usb stack, including control transactions
2012-11-24T21:26:58 < zyp> so if the host somehow only transmits data without reading anything, you might get some fun situations :p
2012-11-24T21:27:40 < zyp> but in practice it's unlikely to be an issue there
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2012-11-24T21:30:37 < zyp> hmm, I seem to have working SD card initialization now, card seems to be waiting for host to start receiving data
2012-11-24T21:30:57 < emeb> \o/
2012-11-24T21:31:31  * emeb stares at his old serial command line parser and wonders how it would fit into the acm demo.
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2012-11-24T21:32:24 < zyp> :)
2012-11-24T21:33:01 < emeb> well, it's written in plain C for a dsPIC UART for one...
2012-11-24T21:34:08 < emeb> but it's fairly modular, so the I/O routines could be reworked to talk to a char buffer that the usb.read/usb.write could use.
2012-11-24T21:38:41 < zyp> oh, by the way, usb.read() currently only works with 4-byte words, so you can't currently read a packet byte by byte that way
2012-11-24T21:39:36 < emeb> just noticing that
2012-11-24T21:39:58 < emeb> thinking "great - gotta pull bytes outta these words..."
2012-11-24T21:40:35 < zyp> the fifo interface is 32-bit, so I just round up the length
2012-11-24T21:41:19 < emeb> makes sense
2012-11-24T21:43:20 < gxti> this watchdog seems less than useful... it hangs the processor but doesn't reset it :p
2012-11-24T21:43:32 < zyp> the sanest way of doing ACM is probably to have a >=MSP sized queue, stuff the entire received packet into there and then only accept new packets when there is room for at least one MSP sized packet in the buffer
2012-11-24T21:44:26 < zyp> that way, only the ACM OUT endpoint get blocked when you are not processing received data fast enough, without interfering with other traffic
2012-11-24T21:45:45 < emeb> sounds right
2012-11-24T21:46:05 < zyp> because all data that is not read() during handle_out() is dropped to free up the fifo for the next packet, and you don't want to drop received data
2012-11-24T21:47:01 < emeb> how to not accept new pkts?
2012-11-24T21:47:24 < emeb> ie - I assume once you usb.read() then you've accepted it.
2012-11-24T21:47:49 < zyp> no
2012-11-24T21:47:58 < zyp> it's accepted as soon as it's in the fifo
2012-11-24T21:48:06 < emeb> right
2012-11-24T21:48:21 < zyp> it's controlled by the NAK setting on the endpoint in the controller
2012-11-24T21:48:59 < emeb> so you have to nak the endpoint prior to the host trying to send.
2012-11-24T21:49:18 < zyp> currently I've hardcoded the driver to do CNAK as soon as handle_out() returns
2012-11-24T21:49:49 < zyp> (clear NAK)
2012-11-24T21:50:01 < gxti> odd, now it works. if i reset the board via SWD it fails to boot up next time. if i remove power and reapply it resets correctly that time and each time the IWDG times out.
2012-11-24T21:50:10 < emeb> aha - so while it's in handle_out it's already NAKed.
2012-11-24T21:50:35 < gxti> i had a similar i think problem with a F102 where the chip would only work with the debugger attached, it didn't seem to actually be flashing correctly or something
2012-11-24T21:50:44 < emeb> but blocking in handle_out would basically shut down everything until it comes back.
2012-11-24T21:50:50 < zyp> emeb, yes
2012-11-24T21:50:54 < gxti> that one might have been damaged though
2012-11-24T21:51:49 < emeb> so we'd have to have a way for handle_out to return and tell the driver if it can CNAK or not.
2012-11-24T21:52:37 < zyp> I've considered just returning a bool for that purpose, but I'm not sure that's the best way to handle it
2012-11-24T21:53:19 < zyp> the code that is currently handling it is at usb/dwc_otg.h:56
2012-11-24T21:53:46 < emeb> OK - I'll look there. If I get that far. :)
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2012-11-24T21:57:24 < zyp> currently my plan is to first get some experience with different classes, before deciding how I want to implement the flow control
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2012-11-24T22:05:49 < emeb> yep - just noiking around here now.
2012-11-24T22:06:30 < zyp> hmm, I poked around in the debugger, and got the card to throw me some data and overflow my fifo
2012-11-24T22:07:47 < emeb> nice
2012-11-24T22:08:12 < emeb> now just stick a filesystem on it and you'll be ready for the big time. :)
2012-11-24T22:08:21 < zyp> :p
2012-11-24T22:08:30 < zyp> well, still need the code to handle data
2012-11-24T22:08:54 < zyp> but first I'm trying this hw flow control stuff to see if it'll stop before fifo overflows
2012-11-24T22:10:47 < emeb> using the sdio peripheral?
2012-11-24T22:11:27 < zyp> yes
2012-11-24T22:11:35 < zyp> I'm talking about sdio peripheral fifo now
2012-11-24T22:11:36 < zyp> :p
2012-11-24T22:11:46 < zyp> not using usb at all
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2012-11-24T22:15:56 < emeb> understood
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2012-11-24T22:37:03 <+Steffanx> thanks for the info
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2012-11-24T22:54:55 < Laurenceb_> /tmp/ccR859FV.s:322: Error: registers may not be the same -- `strexh r0,r0,[r1]'
2012-11-24T22:54:55 < Laurenceb_> make: *** [lib/CMSIS_CM3/core_cm3.o] Error 1
2012-11-24T22:54:57 < Laurenceb_> wtf
2012-11-24T22:55:09 < Laurenceb_> only happened when i tried make clean
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2012-11-24T22:55:26 < gxti> Laurenceb_: new binutils?
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2012-11-24T22:56:24 < Laurenceb_> oh
2012-11-24T22:56:31 < jpa-> Laurenceb_: google knows
2012-11-24T22:56:34 < jpa-> i have had the same
2012-11-24T22:56:39 < Laurenceb_> i upgraded codesourcery
2012-11-24T22:56:46 < gxti> Laurenceb: on lines 736 and 753 change =r to =&r
2012-11-24T22:56:52 < Laurenceb_> builds on my other machine
2012-11-24T22:57:01 < gxti> newest binutils "causes" it
2012-11-24T22:57:12 < Laurenceb_> ok thanx
2012-11-24T23:01:19 < Laurenceb_> that works
2012-11-24T23:14:53 < Laurenceb_> http://www.diolan.com/lpc4350.html
2012-11-24T23:22:12 < emeb> like legos!
2012-11-24T23:23:37 < claude> http://www.diolan.com/hdmi-eb1.html , handy . but a bit pricy imo for a $4 chip and some connectors
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--- Day changed Sun Nov 25 2012
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2012-11-25T00:40:53 < zyp> oh, heh
2012-11-25T00:41:07 < zyp> I missed the DTIMER register in the reference manual
2012-11-25T00:41:17 < zyp> no surprise I always get a timeout on the data read then
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2012-11-25T00:58:32 < zyp> seems to be working nicely now :)
2012-11-25T01:00:06 < zyp> yep, first sector of sd card ends with 0x55 0xaa
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2012-11-25T01:03:28 < emeb> magic cookie?
2012-11-25T01:04:00 < zyp> it's the standard boot signature
2012-11-25T01:04:19 < emeb> smells like success
2012-11-25T01:06:44 < zyp> yep
2012-11-25T01:07:18 < zyp> http://paste.jvnv.net/view/PtsRB
2012-11-25T01:07:25 < zyp> MBR of the card, so it's partitioned
2012-11-25T01:07:50 < zyp> the first 16 bytes is the entry for the first partition, the other three are empty
2012-11-25T01:08:08 < emeb> nice
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2012-11-25T01:10:10 < Laurenceb_> sounds about right
2012-11-25T01:10:23  * Laurenceb_ had a bunch of issues making that work
2012-11-25T01:16:08 < Laurenceb_> http://visualmicro.com/
2012-11-25T01:16:13 < Laurenceb_> in b4 "traduino"
2012-11-25T01:17:25 <+Steffanx> ....
2012-11-25T01:17:54 <+Steffanx> It's actually an improvement. VS beats the arduino IDE easily
2012-11-25T01:21:38 < Laurenceb_> i know
2012-11-25T01:21:46 < Laurenceb_> arduino IFO
2012-11-25T01:21:55 < Laurenceb_> Integrated Fail Environment
2012-11-25T01:22:50 <+Steffanx> E
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2012-11-25T01:33:35 < prog> any chance to have a STM32 equivalent?
2012-11-25T01:34:25 < emeb> I'm sure it could be done. Depends on how much folks are willing to pay.
2012-11-25T01:34:37 < Laurenceb_> id avoid micro$oft
2012-11-25T01:34:50 < Laurenceb_> i think eclipse works already
2012-11-25T01:34:53 < Laurenceb_> might be wrong
2012-11-25T01:34:55 < emeb> What's wrong with CooCox?
2012-11-25T01:34:59 < Laurenceb_> that too
2012-11-25T01:35:17 < emeb> basically re-skinned Eclipse. Simpler interface.
2012-11-25T01:35:22 < Laurenceb_> yeah
2012-11-25T01:35:41 < emeb> I've been using it heavily for the last few weeks - works OK.
2012-11-25T01:48:46 < gxti> i used atollic yesterday just to get a working debugger (well, it worked better, at least. still not good enough.). not the worst thing i've ever used but i couldn't really endorse it.
2012-11-25T01:49:05 < gxti> someday i will have a stack that actually works
2012-11-25T01:49:40 < emeb> get yerself a BMPM and be done with it.
2012-11-25T01:50:56 < gxti> a what
2012-11-25T01:51:38 < emeb> http://www.blacksphere.co.nz/main/blackmagic
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2012-11-25T01:54:27 < gxti> does the swd actually work?
2012-11-25T01:54:56 < zyp> sure, it's all I use
2012-11-25T01:57:50 < emeb> OT - w00t - got my beaglebone FPGA cape working w/ linux: http://ebrombaugh.studionebula.com/embedded/bcc/index.html
2012-11-25T01:59:35 < zyp> nice
2012-11-25T02:00:22 < emeb> just need to clean up the user-space loader app & set up a github for it.
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2012-11-25T02:15:12 <+dekar_> I get so much traffic on my mirror of the ST site
2012-11-25T02:15:32 <+dekar_> that weird windows virtual com port driver alone has 1700 downloads this month alone
2012-11-25T02:21:44 < Laurenceb_> lol
2012-11-25T02:21:54 < Laurenceb_> probably cuz st site is always down
2012-11-25T02:22:11 < Laurenceb_> why the hell do you need a driver for virtual com?
2012-11-25T02:22:19 < Laurenceb_> or do you mean .ini  thingy  ?
2012-11-25T02:30:36 < gxti> might as well be a driver. i'll never understand windows' usb strategy.
2012-11-25T02:31:26 < gxti> progamming multiple boards is so obnoxious because each one has to be re-recognized and re-installed even though it's the same device, VID, PID, and physical port
2012-11-25T02:31:50 < zyp> http://bin.jvnv.net/f/EeA4M.png <- success, host finds fat partition on sd card \o/
2012-11-25T02:35:47 < Laurenceb_> i still see some errors?
2012-11-25T02:35:59 < zyp> I've not implemented write yet
2012-11-25T02:36:35 < Laurenceb_> ah
2012-11-25T02:36:44 < Laurenceb_> total phase = usb protocol anyliser?
2012-11-25T02:36:53 < zyp> yes
2012-11-25T02:37:05 < Laurenceb_> with hardware interface card?
2012-11-25T02:37:16 < zyp> total phase is the company making the beagle series of usb analyzers
2012-11-25T02:37:23 < Laurenceb_> ah
2012-11-25T02:37:40 < Laurenceb_> i see they have i2c analyzers
2012-11-25T02:37:46 < Laurenceb_> looks useful
2012-11-25T02:37:55 < Laurenceb_> but i could try and roll my own...
2012-11-25T02:38:00 < zyp> heh
2012-11-25T02:38:17 < zyp> I can do i2c with the saleae :p
2012-11-25T02:38:29 < Laurenceb_> my i2c vehicular logger is being odd
2012-11-25T02:38:45 < Laurenceb_> looks like about one error that locks up the bus every 40 hours or so
2012-11-25T02:38:51 < zyp> i2c is a bit easier to analyze than HS USB :p
2012-11-25T02:39:00 < Laurenceb_> got quite a few error reports back from users
2012-11-25T02:39:41 < zyp> hmm, I think I locked up this hub again
2012-11-25T02:39:54 < Laurenceb_> hopefully identifying the issue and resetting the apb peripheral will fix it
2012-11-25T02:40:00 < Laurenceb_> hehe lockup tiems
2012-11-25T02:40:13 < Laurenceb_> i cant replicate the bug :(
2012-11-25T02:40:23 < Laurenceb_> im wondering if its rfi or something
2012-11-25T02:40:33 < zyp> no, I locked up entire stack again, now nothing enumerates again :p
2012-11-25T02:40:50 < Laurenceb_> hehe
2012-11-25T02:41:23 < zyp> I should probably get a seperate box for testing, from the one I'm working on :p
2012-11-25T02:42:35 < Laurenceb_> i think people keen putting TETRA handhelds on top of the box
2012-11-25T02:42:40 < Laurenceb_> thats not going to help
2012-11-25T02:43:27 < Laurenceb_> and something is intermittently killing the ublox6 module
2012-11-25T02:44:44 < Laurenceb_> its funny cuz i had to get the logger CE tested for EMI
2012-11-25T02:45:05 < Laurenceb_> dunno what the power is like on tetra handhelds, but its got to be high
2012-11-25T02:46:22 < Laurenceb_> ill have to do a live map to track all the loggers next
2012-11-25T02:46:38 < Laurenceb_> upload the gps each time they connect to the server
2012-11-25T02:48:17 < Laurenceb_> well.. after i invest in a 4TB drive to store all the data thats coming in O_o
2012-11-25T02:48:55 < zyp> :p
2012-11-25T02:52:14 < Laurenceb_> by end of next week they should be 10 units in use at any one time
2012-11-25T02:52:19 < Laurenceb_> thats 10GB/day
2012-11-25T02:52:51 < Laurenceb_> so approaching 4TB/year
2012-11-25T02:53:41 < zyp> hmm, wtf
2012-11-25T02:54:09 < Laurenceb_> we're putting logger boards with gps+imu in hundreds of ambulance cabs
2012-11-25T02:54:41 < zyp> the erroneous IN transactions in that log is apparently due to bad CRC
2012-11-25T02:54:52 < zyp> which is calculated by the core
2012-11-25T02:55:04 < Laurenceb_> oh noes
2012-11-25T02:55:15 < Laurenceb_> see i used the ST USB library
2012-11-25T02:55:29 < Laurenceb_> they probably haxor silicon bugs :P
2012-11-25T02:55:34 < zyp> and you learned nothing :p
2012-11-25T02:57:26 < zyp> it's repeating the same write command for the third time, but the returned status packet now got a bad crc
2012-11-25T02:57:27 < Laurenceb_> yeah but it works
2012-11-25T02:57:30 < Laurenceb_> more or less
2012-11-25T02:57:48 < Laurenceb_> well enough to win massive contract or hundereds of units at £5K each
2012-11-25T02:58:05 < zyp> and the same happened two times, so it's not a random glitch
2012-11-25T02:59:13 < zyp> wonder if I'm overrunning the fifo or something, corrupting the data between crc calculation and write
2012-11-25T03:00:31 < zyp> ah, the data is invalid
2012-11-25T03:00:37 < zyp> the last byte should read 01, not 00
2012-11-25T03:01:10 < Laurenceb_> http://i.imgur.com/NqHgl.jpg
2012-11-25T03:01:14 < Laurenceb_> girls on irc?!
2012-11-25T03:01:21 < Laurenceb_> wtf is happening to the world
2012-11-25T03:01:26 < zyp> *yawn*
2012-11-25T03:01:34 < Laurenceb_>   /troll
2012-11-25T03:02:17 < Laurenceb_> wonder if baird is hiding behind some of those trees waiting to attack
2012-11-25T03:08:56 < qyx_> quite common, i know some
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2012-11-25T03:16:41 < dongs> > macbook pro
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2012-11-25T03:17:02 < dongs> also lol'd at windows running inside steveos
2012-11-25T03:17:08 < dongs> if steveos was so awesome why dont they irc from it?
2012-11-25T03:18:02 < zyp> http://bin.jvnv.net/f/JcsPs.png <- bonus pic
2012-11-25T03:19:03 < dongs> is that some spi
2012-11-25T03:19:11 < zyp> no, SDIO
2012-11-25T03:19:11 < dongs> o wait, youre acutally using sdio
2012-11-25T03:19:39 < zyp> SDIO is quite nice, way less work than using SPI
2012-11-25T03:19:44 < dongs> right
2012-11-25T03:20:36 < zyp> http://paste.jvnv.net/view/6w4wk
2012-11-25T03:23:05 -!- Netsplit *.net <-> *.split quits: olasd
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2012-11-25T03:23:17 < zyp> I mean, with SPI you're just pushing bytes and have to do all the framing and CRC shit yourself
2012-11-25T03:23:47 < zyp> with SDIO you just set ARG and CMD and wait for done, then read RESPx
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2012-11-25T03:25:48 < zyp> when I'm done with the SD driver I'll probably add SPI mode support later
2012-11-25T03:26:13 < zyp> the commands are the same anyway, it's just the way of packing it that's different
2012-11-25T03:26:24 < zyp> so it should be easy enough
2012-11-25T03:28:14 < emeb_mac> nice code
2012-11-25T03:30:47 < zyp> it's a bit extra stuff in it though
2012-11-25T03:31:11 < zyp> all the CMD13 stuff is just for logging status, doesn't actually do anything useful
2012-11-25T03:31:42 < zyp> and same with the read_block() in initialize, that was also just for testing :p
2012-11-25T03:32:57 < emeb_mac> I imagine that writing is probably not much more than that.
2012-11-25T03:33:11 < zyp> nah, shouldn't be
2012-11-25T03:34:25 < zyp> http://paste.jvnv.net/view/BzbM0 <- usb/scsi code is a bit larger
2012-11-25T03:34:48 < zyp> need to split them better too
2012-11-25T03:36:52 < zyp> make a seperate SCSI target driver, and just hook it to the MSC driver
2012-11-25T03:37:23 < emeb_mac> so your goal here is usb <-> sd?
2012-11-25T03:39:09 < zyp> well, that makes for another neat example application for laks, at least
2012-11-25T03:39:43 < zyp> and should also be a nice target for benchmarking later
2012-11-25T03:42:07 < zyp> I also got an idea from a friend for a project based on MSC and SD that sounded fun, that I might do later
2012-11-25T03:43:31 < zyp> also, I'm planning to move the class drivers currently located in the demo projects into laks itself as they become mature enough to be reusable without direct modification
2012-11-25T03:43:44 < emeb_mac> good idea
2012-11-25T03:44:06 < zyp> so the goal is to have both SD and MSC drivers in laks, that can just be instanced and hooked together to make some custom MSC device
2012-11-25T03:45:13 < emeb_mac> at some point I'd like to try that on my f4 board that has both SD and USB on it.
2012-11-25T03:47:26 < zyp> the current code should work pretty much without modification
2012-11-25T03:47:34 < zyp> depending on which pins you selected for SDIO
2012-11-25T03:48:38 < zyp> by the way, did you have time to do anything with the command parser yet?
2012-11-25T03:49:23 < zyp> I'm looking forward to see how that'll turn out
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2012-11-25T04:25:16 < emeb_mac> zyp: I did a little bit with it but set it aside to work on some other things.
2012-11-25T04:25:28 < emeb_mac> Not a lot to report at this point.
2012-11-25T04:25:56 < zyp> I understand
2012-11-25T04:27:24 < emeb_mac> I did have a question though - is the 'len' value in bytes or words?
2012-11-25T04:28:33 < zyp> bytes
2012-11-25T04:29:35 < zyp> not sure why I still use uint32_t for the data pointer, should probably be void or something
2012-11-25T04:29:52 < zyp> I usually end up casting it anyway
2012-11-25T04:31:00 < emeb_mac> yeah - saw that inside the usb.read method it was actually a uint16_t type.
2012-11-25T04:31:09 < zyp> huh?
2012-11-25T04:31:16 < zyp> on F1 then?
2012-11-25T04:31:19 < emeb_mac> yes
2012-11-25T04:31:30 < dongs> sup dongs
2012-11-25T04:31:33 < gxti> curious... i turn on HAL_USE_MAC and my program no longer boots
2012-11-25T04:31:36 < emeb_mac> I'm doing this with my F373 - same as F1
2012-11-25T04:31:39 < zyp> ah, yeah, F1 operates with a 16-bit wide buffer
2012-11-25T04:32:03 < zyp> F4 operates with a 32-bit wide fifo
2012-11-25T04:32:08 < zyp> I wrote F4 first
2012-11-25T04:32:49 < dongs> fifodongs
2012-11-25T04:33:00 < dongs> emeb_mac: you got component placement/shit on the breakout?
2012-11-25T04:33:07 < dongs> i might have time to ghetto it up today
2012-11-25T04:33:15 < dongs> zyp: also, BMP clone pcbs are here since few days ago
2012-11-25T04:33:35 < emeb_mac> dongs: I can probably get that from the tool. Lemme check.
2012-11-25T04:33:37 < zyp> emeb_mac, also, that makes the statement about you having to read() four bytes at a time untrue, it's two bytes at a time for F1 driver :p
2012-11-25T04:33:45 < emeb_mac> heh
2012-11-25T04:35:25 < zyp> oh, wait
2012-11-25T04:35:41 < zyp> with F1 driver you currently have to read entire packet at once :p
2012-11-25T04:36:05 < zyp> read() currently reads from the start of the packet buffer every time :p
2012-11-25T04:38:46 < zyp> dongs, I don't suppose you cut stencils, so if I want a stencil I'll have to pay for the whole sheet?
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2012-11-25T04:39:30 < zyp> if so I'll rather wait until lpc4300 stuff can be panelized on the same sheet
2012-11-25T04:40:12 < qyx_> have you already finished it?
2012-11-25T04:40:32 < zyp> no, that's why it'll have to wait :p
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2012-11-25T04:41:02 < qyx_> ah
2012-11-25T04:41:14 < zyp> stencils aside, I'm probably going to buy the components for everything in one go, so it'll have to wait at some point anyway
2012-11-25T04:41:33 < zyp> so I'm not in a hurry to receive the boards
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2012-11-25T04:41:47 < dongs> zyp, i do cut them, i was going to get one for me for some current projects + add bmp+breakout on it, but I can add 2 copies of breakout on the side if you want one
2012-11-25T04:42:07 < dongs> then I can just cut that piece off
2012-11-25T04:42:10 < emeb_mac> dongs: I can generate an "xy" file with component locations & rotations - is that what you meant?
2012-11-25T04:42:20 < dongs> emeb_mac: no, just refdes/value or something
2012-11-25T04:42:27 < dongs> i mean so i know wtf im putting where
2012-11-25T04:42:34 < zyp> dongs, ah, that sounds nice
2012-11-25T04:42:36 < emeb_mac> OK - just use the BOM
2012-11-25T04:42:41 < dongs> yeah
2012-11-25T04:42:49 < zyp> dongs, both bmp and f3 breakout then?
2012-11-25T04:42:54 < dongs> zyp, sure
2012-11-25T04:43:02 < zyp> how many boards do you have?
2012-11-25T04:43:13 < emeb_mac> http://ebrombaugh.studionebula.com/embedded/stm32f373breakout/bom.xls <- bom
2012-11-25T04:43:17 < dongs> i got plenty to send you 5 of the bmp as you originalyl wanted
2012-11-25T04:43:28 < zyp> sounds good
2012-11-25T04:43:55 < dongs> emeb_mac: works.
2012-11-25T04:44:42 < zyp> maybe I should just get you to include parts along with the boards, since you have parts for your own anyway :p
2012-11-25T04:47:23 < dongs> they seem t o be standard shit everyone should have
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2012-11-25T04:48:48 < dongs> <zyp> im a communist so i only stock SMD usb
2012-11-25T04:49:01 < zyp> :p
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2012-11-25T04:52:11 < zyp> I don't have stm32 chips either, or crystals with that footprint
2012-11-25T04:53:38 < zyp> and I'm unsure about the regs and transistors
2012-11-25T04:53:47 < zyp> but nevermind, I'll do my own shopping :p
2012-11-25T04:54:17 < zyp> also gives me more of a reason to actually finish the lpc4300 board
2012-11-25T04:54:19 < emeb_mac> where do you buy such stuff?
2012-11-25T04:54:54 < dongs> what stuff
2012-11-25T04:54:56 < zyp> digikey/mouser/etc like everybody else?
2012-11-25T04:55:19 < emeb_mac> do they ship from the US or have warehouses in eu?
2012-11-25T04:55:31 < zyp> US usually
2012-11-25T04:55:38 < dongs> same like wehn they ship to japan..
2012-11-25T04:55:42 < dongs> shit's all in u.s.
2012-11-25T04:55:45 < emeb_mac> figures.
2012-11-25T04:55:52 < dongs> zyp: did y ou hear, freescale shipped my tray of mma accels way ahead of schedule
2012-11-25T04:55:59 < dongs> got them few days ago
2012-11-25T04:56:03 < dongs> instead of.. march or wahtever they originally said
2012-11-25T04:56:11 < zyp> cheapest delivery is UPS anyway, and then the package is at my door within 48h or so
2012-11-25T04:56:36 < zyp> so I don't care where they ship from, it's usually faster than ordering anything from a norwegian company :p
2012-11-25T04:56:38 < emeb_mac> not bad
2012-11-25T04:56:54 < dongs> ya.. ups to JP is $20
2012-11-25T04:56:57 < dongs> from digikey
2012-11-25T04:57:02 < dongs> but with $80 to get freeship it doesnt matter
2012-11-25T04:57:06 < dongs> as im always over that anyway
2012-11-25T04:57:13 < zyp> it's somewhere in the $30-$40 range to norway
2012-11-25T04:57:20 < qyx_> here i use to order from farnell, 5e ups and delivered within 16-20hrs
2012-11-25T04:57:57 < zyp> last time I ordered from mouser I just needed some cheap crap, so I threw in the beaglebone to bump it over the freeship limit
2012-11-25T04:58:32 < zyp> next time I need to do bump some digikey order I'm planning to throw in some of those nano testclips
2012-11-25T04:58:58 < zyp> they didn't have them at mouser
2012-11-25T05:00:30 < emeb_mac> oh - last time I checked mouser didn't have the little buttons. DK has 'em tho.
2012-11-25T05:19:57 < dongs> bored
2012-11-25T05:20:09 < emeb_mac> board
2012-11-25T05:20:55 < dongs> assburgers kickin in, dont feel like doing shit
2012-11-25T05:21:03 < zyp> tired
2012-11-25T05:21:13 < emeb_mac> dongs: digestive coma?
2012-11-25T05:21:24 < dongs> nah i didnt eat anything today yet.
2012-11-25T05:23:25 < emeb_mac> zyp what you doing still up? it's almost time for the sun to come up, no?
2012-11-25T05:23:38 < zyp> it's only 04:23 :p
2012-11-25T05:23:44 < zyp> but yeah, good question
2012-11-25T05:24:14 < zyp> I was planning on going to bed, but then I got stuck thinking about other stuff
2012-11-25T05:24:30 < emeb_mac> it happens
2012-11-25T05:27:02 < zyp> yeah, way too often :p
2012-11-25T05:27:14 < dongs> zyp's dakimakura didn't arrive yet so he's sadfacin'
2012-11-25T05:27:57 < zyp> how'd you know?!
2012-11-25T05:28:23  * emeb_mac googles dakimakura
2012-11-25T05:28:30 < dongs> you ordered 2 so you can follow the instructions in that recent blog I posted so you could get your sukebe on.
2012-11-25T05:28:53 < zyp> which blog? I think I missed that
2012-11-25T05:29:08 < dongs> or wait i think it was either zippe or baird that posted the original
2012-11-25T05:29:52 < zyp> I tend to stay away from those kind of sites when I'm at work, so I might have seen the url but not opened it :p
2012-11-25T05:30:35 < dongs> http://blog-imgs-51.fc2.com/y/a/r/yaraon/121109-kj-dakimakura-r.jpg
2012-11-25T05:31:02 < zyp> hah
2012-11-25T05:31:20 < zyp> :D
2012-11-25T05:32:48 < dongs> huh, apparently nexus4 does have LTE. trolled.
2012-11-25T05:32:55 < zyp> huh?
2012-11-25T05:33:05 < zyp> source?
2012-11-25T05:33:15 < zyp> ah, right
2012-11-25T05:33:17 < zyp> found it
2012-11-25T05:33:19 < dongs> http://www.anandtech.com/show/6474/nexus-4-includes-support-for-lte-on-band-4-aws
2012-11-25T05:33:24 < dongs> analtech
2012-11-25T05:34:38 < zyp> still no support for 2600 MHz, which is the one they are using here
2012-11-25T05:34:52 < dongs> japs dontr evne have lte so i dont give a fuck
2012-11-25T05:35:13 < dongs> my mobile internets is like 300kbit with every popular site blogged down to like 9.6kbit
2012-11-25T05:36:25 < zyp> we've used some of those 3G to wifi adapters in japan, they tend to work rather great
2012-11-25T05:37:21 < zyp> and the vaio I bought in 2010 came with a free trial of uq wimax, I remember measuring 13 Mb/s sitting on a train in tokyo
2012-11-25T05:38:02 < zyp> I think one of the guys this year also had a wimax to wifi adapter
2012-11-25T05:38:49 < dongs> LOL wimax
2012-11-25T05:38:55 < dongs> dead as bsd
2012-11-25T05:39:03 < dongs> k bbl
2012-11-25T05:39:12 < zyp> yeah, coverage makes it useless outside the large cities
2012-11-25T05:39:53 < bsdfox> dongs, :(
2012-11-25T05:40:10 < zyp> sitting on the shinkansen, it didn't take many seconds to leave the coverage area :p
2012-11-25T05:40:41 < zyp> but it's fast when it's available
2012-11-25T05:40:44  * emeb_mac was involved in intel's first wimax chipset.
2012-11-25T05:41:07 < zyp> cool
2012-11-25T05:41:16 < emeb_mac> it was fun
2012-11-25T05:41:42 < emeb_mac> a couple of ARM 7 cores + rf dsp.
2012-11-25T05:42:00 < emeb_mac> I did the clock generators, GPIO and analog cores.
2012-11-25T05:42:32 < emeb_mac> (plus headed the verification team)
2012-11-25T05:43:19 < zyp> standalone wimax or wifi+wimax?
2012-11-25T05:45:33 < emeb_mac> it was just wimax
2012-11-25T05:45:55 < emeb_mac> I think the next gen after I left did wifi, bt & wimax
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2012-11-25T06:08:09 < l4cr0ss> i see that https://launchpad.net/gcc-arm-embedded is built for ubuntu 8.10. think i would run into problems using debian 6? best to just install 8.10?
2012-11-25T06:08:43 < emeb_mac> works fine on fedora 17.
2012-11-25T06:09:01 < emeb_mac> and on ubuntu 12.04
2012-11-25T06:09:08 < l4cr0ss> ok
2012-11-25T06:09:31 < gxti> holy goddamn, it responds to ping
2012-11-25T06:09:32 < baird> x86 implied, of course
2012-11-25T06:09:41 < gxti> that was almost too easy
2012-11-25T06:09:50 < emeb_mac> linux binaries are generally pretty compatible.
2012-11-25T06:12:09 < l4cr0ss> cool
2012-11-25T06:12:12 < l4cr0ss> gonna give it a go
2012-11-25T06:12:22 < emeb_mac> gxti what worked?
2012-11-25T06:12:43 < gxti> stm32f107 ethernet
2012-11-25T06:12:50 < emeb_mac> nice
2012-11-25T06:13:13 < gxti> one small patch to chibios because it was shutting down the PHY which was supplying the clock it needed to reset the mac so it could start the PHY
2012-11-25T06:14:01 < gxti> seems to hang after a few minutes though. oh well, still a big win for a few hours' work.
2012-11-25T06:14:16 < emeb_mac> gxti: what's next?
2012-11-25T06:15:17 < gxti> not hanging, i suppose. also need to figure out how to start a DHCP cycle, and probably get the SPI flash running so i can stick the MAC address in there because i forgot to include one of microchip's eeproms with MAC
2012-11-25T06:15:46 < emeb_mac> what you making?
2012-11-25T06:16:50 < gxti> an 11 channel mains power meter for monitoring all the circuits in your house
2012-11-25T06:17:25 < gxti> http://partiallystapled.com/~gxti/circuits/2012/11/18-ctservice_v2_done.jpg
2012-11-25T06:17:29 < emeb_mac> cool
2012-11-25T06:18:11 < baird> Hmm, Intel is taking its mainstream processors to BGA. http://www.xbitlabs.com/news/cpu/display/20121122022244_Intel_s_Haswell_Could_Be_Last_Interchangeable_Desktop_Microprocessors_Report.html
2012-11-25T06:18:25 < emeb_mac> OSHpark!
2012-11-25T06:29:10 < gxti> yep
2012-11-25T06:35:02 < gxti> oh goody more corrupt stacks
2012-11-25T06:35:20 < gxti> this one is going to be super fun to debug because it's also nondeterministic!
2012-11-25T06:36:00 < emeb_mac> corrupt stack in chibios?
2012-11-25T06:38:17 < gxti> everything either hangs or resets after 20-120 seconds of pinging, in the case of the hang it lands in unhandled_exception with a corrupt stack
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2012-11-25T06:39:36 < gxti> yesterday it was because i was allocating a config structure from the stack, which then went out of scope and was later called. this time it's nothing so obvious, not that i found that quickly either
2012-11-25T06:40:38 < gxti> i just disabled the main ADC polling interrupt and it hasn't hung yet so probably the two are interacting poorly
2012-11-25T06:47:03 < gxti> and a flood ping makes it crash quickly when the ADC is on, and still no crash with ADC off
2012-11-25T06:48:18 < emeb_mac> seems like a key piece of info.
2012-11-25T06:48:59 < emeb_mac> ADC ISR is not saving all the regs it uses?
2012-11-25T06:50:06 < gxti> just having a stub 'return;' ISR is enough to trigger it so you're probably on the right track
2012-11-25T06:50:27 < gxti> stupid question: is saving regs something i'm supposed to be doing?
2012-11-25T06:51:02 < gxti> actually that's not a stub ISR, it's a chibios callback, so there's still stuff happening
2012-11-25T06:51:05 < gxti> just none of my stuff
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2012-11-25T06:57:15 < gxti> aha, now we're cooking with gas. i stubbed out the guts of the chibios IRQ and it still hangs, but then if i comment out the prologue and epilogue macros it no longer hangs
2012-11-25T07:04:07 < l4cr0ss> https://launchpadlibrarian.net/121696498/How-to-build-toolchain.pdf Step 4: Build a new native gcc
2012-11-25T07:04:09 < l4cr0ss> "If you don’t want to build the package running on the platform which is different from your
2012-11-25T07:04:10 < l4cr0ss> build machine, please skip this step. "
2012-11-25T07:04:12 < l4cr0ss> What does that mean
2012-11-25T07:13:31 < emeb_mac> l4cr0ss: you're building a cross compiler - arm code output on an x86 machine, right?
2012-11-25T07:13:52 < l4cr0ss> "If you don't want to run the package on a platform different than your build machine, skip this step," i think
2012-11-25T07:13:53 < l4cr0ss> yes
2012-11-25T07:13:59 < emeb_mac> step 4 means you're not trying to build a native compiler arm code output on an arm machine.
2012-11-25T07:14:10 < emeb_mac> so skip it.
2012-11-25T07:14:48 < l4cr0ss> kk
2012-11-25T07:15:26 < baird> dongy: those panels you're playing with don't have support for MIPI/DSI, do they..
2012-11-25T07:16:41 < dongs> no. just eDP.
2012-11-25T07:17:29 < dongs> seems like very similar stuff though
2012-11-25T07:17:33 < dongs> lol, shitberrypi has it
2012-11-25T07:17:38 < dongs> SORRY!
2012-11-25T07:17:51 < baird> CRY
2012-11-25T07:18:16 < emeb_mac> let me call you a whaaambulance.
2012-11-25T07:20:00 < dongs> baird: DPI/MIPI sounds like some bullshit opensores crap that will never be accepted by any serious manufacturer
2012-11-25T07:20:28 < dongs> er DSI
2012-11-25T07:20:29 < dongs> or wahtever
2012-11-25T07:20:43 < emeb_mac> hardly opensores - synopsys IP, broadcomm uses it in their chip. Not open at all.
2012-11-25T07:22:08 < emeb_mac> looks like it's pretty common interface for lcd panels
2012-11-25T07:22:38 < baird> cheap lcd panels is the question, though. :)
2012-11-25T07:22:54 < dongs> eDP is the  futar though
2012-11-25T07:23:04 < dongs> every panel in 2013 will be edp
2012-11-25T07:23:25 < dongs> and with panel self-refresh it will be mega awesome
2012-11-25T07:23:47 < emeb_mac> does the panel you have do self?
2012-11-25T07:24:08 < dongs> no. this is edp 1.3, thats not even announced/finalized yet as far as i know
2012-11-25T07:25:00 < emeb_mac> I guess that means you can pull the video cable and it'll still display the last thing it had?
2012-11-25T07:25:16 < dongs> basically, but the point is being able to shutdown GPU / diff lanes
2012-11-25T07:25:20 < dongs> to save power
2012-11-25T07:25:24 < dongs> if youre just looking at a static page
2012-11-25T07:25:26 < dongs> or ircing etc.
2012-11-25T07:25:30 < emeb_mac> yup
2012-11-25T07:25:48 < emeb_mac> fair amount of memory required in the panel driver then.
2012-11-25T07:26:00 < dongs> just one framebuffer worth.
2012-11-25T07:26:03 < emeb_mac> but I suppose transistors are free now.
2012-11-25T07:26:04 < dongs> i wouldnt be surprised if its already there.
2012-11-25T07:26:27 < baird> Possibly on small-mcu/cpu projects, that bit-bang to the display, rather than using a gpu..?
2012-11-25T07:26:45 < dongs> emeb_mac: i mean every cheap china SPI lcd already has self-refresh
2012-11-25T07:26:52 < dongs> its singlebuffered though
2012-11-25T07:27:28 < emeb_mac> yeah. still, 1920x1080 24-bit is about 6.2MB.
2012-11-25T07:28:08 < dongs> funtimes.
2012-11-25T07:28:28 < emeb_mac> but still no jet cars.
2012-11-25T07:29:17 < baird> or robot girlfriends
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2012-11-25T08:10:15 < emeb_mac_> anyone here remember the name of that project for a software defined radio done with an LPC4300?
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2012-11-25T08:13:36 < emeb_mac> freenode spits it back out
2012-11-25T08:14:15  * emeb_mac wonders what canadians call americans
2012-11-25T08:14:28 < emeb_mac> yankees?
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2012-11-25T08:17:13 < emeb_mac> installed an i970 into a palm pilot?
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2012-11-25T09:52:38 < dongs_> wait WHAT
2012-11-25T09:52:45 < dongs_> STM32F42X supports >sdram<
2012-11-25T09:53:12 < dongs_> STM32F427ZIHigh-performance and DSP with FPU, ARM Cortex-M4 MCU with 2 Mbytes Flash, 168 MHz CPU, Art Accelerator, SDRAM
2012-11-25T09:59:23 < dongs_> ntfreak: is ST trolling?
2012-11-25T09:59:28 -!- dongs_ is now known as dongs
2012-11-25T10:01:53 < jpa-> why not?
2012-11-25T10:03:11 < jpa-> "high-level languages such as Java™, Microsoft® .Net or uClinux™."   µClinux, the language
2012-11-25T10:04:24 < dongs> where's another PDF saying it has sdram
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2012-11-25T11:03:42 < dongs> http://i.imgur.com/QHsZv.jpg attn Laurenceb
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2012-11-25T13:14:33 <+dekar> dongs, when will the stm32 get an mmu? :P
2012-11-25T13:17:10 < dongs> heh
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2012-11-25T13:53:39 < jpa-> dekar: when you add one on an FPGA and hook it up to fsmc
2012-11-25T13:59:21 <+dekar> external mmu would be awkward
2012-11-25T14:02:58 < jpa-> why?
2012-11-25T14:03:18 < jpa-> just slow :=
2012-11-25T14:03:19 < jpa-> :)
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2012-11-25T14:22:07 < zyp> if you need an MMU, you should look at cortex-a5 rather than cortex-m
2012-11-25T14:23:20 < jpa-> or avr
2012-11-25T14:24:05 < dongs> for sure
2012-11-25T14:24:10 < dongs> avr is the answer for >everything<
2012-11-25T14:25:18 < dongs>  Atmega2560 - Super fast, tons of memory.
2012-11-25T14:25:21 < dongs> all you need.
2012-11-25T14:27:10 < zyp> I've heard arduinos are better than avr
2012-11-25T14:27:26 < dongs> the bootloader makes it magical
2012-11-25T14:29:19 < baird> And of course, it's for performance art works
2012-11-25T14:29:41 < jpa-> the dongs performance, now on stage
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2012-11-25T14:35:28 <+Steffanx> nu
2012-11-25T14:35:31 < baird> http://www.puppetryofthepenis.com/html_site/index.htm
2012-11-25T14:38:01 < baird> http://www.amazon.com/Puppetry-Penis-Ancient-Australian-Genital/dp/185375692X
2012-11-25T14:38:39 < dongs> baird's links are getting almost as good as Laurenceb
2012-11-25T14:39:02 <+Steffanx> 'good'
2012-11-25T14:41:18 < jpa-> Steffanx: would you act some puppetry penis with me?
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2012-11-25T14:45:19 <+Steffanx> Ask your wife if see what's to play with you
2012-11-25T14:47:23 < jpa-> it's nice to play with me, i promise
2012-11-25T14:47:59 < dongs> dong puppetry
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2012-11-25T15:21:45 < baird> Hmm, this china-made canned coffee has a ring-pull.. How 1970s. :)
2012-11-25T15:22:03 < BrainDamage> pic
2012-11-25T15:26:14 < baird> This sort of thing: http://i.imgur.com/kl86p.jpg
2012-11-25T15:27:13 < BrainDamage> oh god that looks terrible
2012-11-25T15:27:31 < BrainDamage> not the opening, the concept
2012-11-25T15:27:41 < BrainDamage> cold coffee :s
2012-11-25T15:28:44 < prog> I bet you haven't seen their canned lizards
2012-11-25T15:29:09 < baird> Shit is awesome, but only sold at 'Asian' grocery stores around here. :/
2012-11-25T15:29:20 < baird> Cheap, too.
2012-11-25T15:29:52 < baird> 0.80 to 1.45 a can, when mainstream softdrinks here sell for 1.60-2.4
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2012-11-25T15:36:50 < dongs> man
2012-11-25T15:36:53 < dongs> what the fuck
2012-11-25T15:37:01 < dongs> keil samples just love directly dicking with registers
2012-11-25T15:37:06 < dongs> bypassing stdperiephlib
2012-11-25T15:37:16 < jpa-> stdperiph sucks
2012-11-25T15:37:21 < jpa-> registers is better
2012-11-25T15:37:36 < dongs> ya but
2012-11-25T15:37:42 < dongs> shit like this is fucking unreadable
2012-11-25T15:37:42 < dongs>   RCC->APB2ENR |= ((1UL << 2) | (1UL << 4));      /* enable GPIOA, GPIOC clock*/
2012-11-25T15:37:43 < dongs>   GPIOA->CRL   &= ~0x0000000F;                    /* PA.0 clear               */
2012-11-25T15:37:43 < dongs>   GPIOA->CRL   |=  0x00000004;                    /* PA.0 is Floating Input   */
2012-11-25T15:38:09 < jpa-> huh, they don't even use the defines :)
2012-11-25T15:38:32 < jpa-> but anyway, it is a commercial compiler, what do you expect?
2012-11-25T15:38:40 < dongs> and these are "easy" examples
2012-11-25T15:39:27 < dongs> yeah.
2012-11-25T15:39:27 < dongs> is there defines for RCC_* shit inside just the stm headers?
2012-11-25T15:39:27 < dongs> i.e. in stm32f10x.h
2012-11-25T15:39:43 < dongs> ah, there is
2012-11-25T15:39:51 < dongs> RCC_APB2ENR_IOPAEN etc
2012-11-25T15:39:53 < dongs> k
2012-11-25T15:39:58 < jpa-> yeah
2012-11-25T15:39:58 < dongs> lol fucking dongs.
2012-11-25T15:40:06 < dongs> thats different from shit in stdperiphlib
2012-11-25T15:40:10 < dongs> i mean naming
2012-11-25T15:40:34 < jpa-> but it is consistent with the reference manual
2012-11-25T15:40:37 < jpa-> which is more important IMO
2012-11-25T15:41:29 < dongs> anyway im trying out their usb stack samples.
2012-11-25T15:41:37 < dongs> HID worked with minimal changes, im impressed so far
2012-11-25T15:41:44 < dongs> its all fully closed sores and shit
2012-11-25T15:41:50 < dongs> so it must be very high quality code!!
2012-11-25T15:42:05 < prog> not necessarily
2012-11-25T15:42:34 < jpa-> it's probably better than ST's anyway :)
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2012-11-25T16:03:37 < dongs> < dongs> http://i.imgur.com/QHsZv.jpg attn Laurenceb
2012-11-25T16:03:41 < dongs> Laurenceb_: ^
2012-11-25T16:03:55 < dongs> trying out KEIL usb stack, worked on first try w/hid + mass stoRAGE
2012-11-25T16:05:38 < zyp> fun fun
2012-11-25T16:07:26 < dongs> im not actually sure which part is closed sores
2012-11-25T16:07:31 < dongs> it links to USB_CM3.lib
2012-11-25T16:07:37 < dongs> but...
2012-11-25T16:07:43 < dongs> a lot of shit is opensoresed...
2012-11-25T16:09:52 < Laurenceb_> have you benchmarked it?
2012-11-25T16:09:56 < Laurenceb_> usb speed?
2012-11-25T16:10:08 < dongs> i just got memory mass storage shit bulit.
2012-11-25T16:10:23 < Laurenceb_> ah
2012-11-25T16:10:24 < dongs> i will do SD one  tomrorow since i need to change their defaults from keil evlaboard for card sense/enable
2012-11-25T16:10:30 < dongs> so i have a 30k usb drive
2012-11-25T16:11:01 < dongs> Laurenceb_: i suspect being closed sores it will be amazing!
2012-11-25T16:11:18 < dongs> check out their EPIC sd driver
2012-11-25T16:11:22 < dongs> err SD -> SPI
2012-11-25T16:11:27 < dongs> http://bcas.tv/paste/results/56Htas29.html
2012-11-25T16:12:08 < Laurenceb_> hexored
2012-11-25T16:12:29 < dongs> these guys write direct magic shit to registers even mroe than zyp
2012-11-25T16:13:40 < dongs> also: Clock speed = fPCLK1 / 256 = 280 kHz at 72 MHz PCLK1 clk.
2012-11-25T16:23:06 < dongs> holy shit!
2012-11-25T16:23:14 < dongs> arm has a SIGNED vcom driver
2012-11-25T16:24:33 < Laurenceb_> how is it signed?
2012-11-25T16:24:43 < dongs> inf/cat
2012-11-25T16:24:43 < zyp> with a fountain pen
2012-11-25T16:24:45 < dongs> thats signed
2012-11-25T16:24:48 < dongs> for both x86 and x64
2012-11-25T16:24:53 < dongs> so if you use that vid/pid for CDC
2012-11-25T16:24:55 < dongs> and ship that driver
2012-11-25T16:25:06 < Laurenceb_> oh i see
2012-11-25T16:25:06 < dongs> it will install without redwarning on win
2012-11-25T16:25:18 < Laurenceb_> see i dont use xp
2012-11-25T16:25:26 < Laurenceb_> so had forgotten about that
2012-11-25T16:25:31 < dongs> ?
2012-11-25T16:26:28 < Laurenceb_> vcom issues on xp
2012-11-25T16:26:34 < dongs> um
2012-11-25T16:26:47 < dongs> winvista and above requires signed drivers on 64bit
2012-11-25T16:27:01 < dongs> shit like vcom is just an inf, so it installs, but pops up a lame warning
2012-11-25T16:29:07 < Laurenceb_> i see
2012-11-25T16:29:21  * Laurenceb_ is getting confused about #undef
2012-11-25T16:29:32 < dongs> but arm was nice enough to sign them.
2012-11-25T16:29:36 < dongs> now i can stop using lame arduino infs.
2012-11-25T16:30:16 < Laurenceb_> #define foo;   if (bar)  {#undef foo  afunction();}  else {afunction();}
2012-11-25T16:30:26 < dongs> christ what
2012-11-25T16:30:34 < dongs> why would that matter?
2012-11-25T16:30:36 < jpa-> isn't the default stm32 virtual com driver signed also?
2012-11-25T16:30:45 < dongs> jpa, where is it?
2012-11-25T16:30:49 < Laurenceb_> will afunction know about foo?
2012-11-25T16:30:54 < jpa-> dongs: comes from windows update
2012-11-25T16:31:14 < jpa-> and also on the stm32 pages on st.com somewhere
2012-11-25T16:31:27 < dongs> jpa if it comes from windowsupdate its signed.
2012-11-25T16:31:30 < jpa-> yep
2012-11-25T16:31:36 < zyp> Laurenceb_, wtf
2012-11-25T16:31:45 < jpa-> and why closed source shit like windows can't simply recognize USB ACM class devices itself?
2012-11-25T16:31:51 < Laurenceb_> wait
2012-11-25T16:31:59 < jpa-> Laurenceb_: you fail
2012-11-25T16:32:00 < Laurenceb_> compile doesnt know about bar
2012-11-25T16:32:02 < Laurenceb_> fail
2012-11-25T16:32:06 < Laurenceb_> yes
2012-11-25T16:32:34 < zyp> Laurenceb_, remember that the preprocessor is dumb, it doesn't know about functions or anything
2012-11-25T16:32:59 < zyp> it just substitutes the macros it can find in the source between the #define and #undef statements
2012-11-25T16:33:06 < Laurenceb_> i see
2012-11-25T16:33:32 < Laurenceb_> does it substitute recursively or just in the top file?
2012-11-25T16:33:37 < zyp> huh?
2012-11-25T16:34:04 < Laurenceb_> if afunction uses the define foo
2012-11-25T16:34:13 < jpa-> Laurenceb_: it goes line by line, it doesn't follow function calls
2012-11-25T16:34:19 < Laurenceb_> ok
2012-11-25T16:34:25 < Laurenceb_> i understand now
2012-11-25T16:34:27 < zyp> preprocessing is a seperate step before compiling
2012-11-25T16:34:31 < Laurenceb_> yeah i see
2012-11-25T16:34:34 < zyp> it doesn't parse the code at all
2012-11-25T16:34:43 < zyp> it just transforms the source
2012-11-25T16:34:54 < dongs> their shit supports composite devices
2012-11-25T16:35:01 < dongs> at same time there's not a single example of how to do that.
2012-11-25T16:35:03 < dongs> sigh
2012-11-25T16:35:16 < dongs> how much work is involved to do CDC and MSC over same USB device?
2012-11-25T16:35:42 < zyp> depends
2012-11-25T16:35:46 < dongs> is it just a matter of setting up the descriptor?
2012-11-25T16:36:11 < zyp> I've heard windows doesn't like that without custom matching drivers
2012-11-25T16:36:33 < zyp> but you can apparently get around that by using IAD
2012-11-25T16:36:49 < dongs> hurm
2012-11-25T16:36:52 < dongs> oh well, proj for later.
2012-11-25T16:36:57 < dongs> for now ill get individual shits working.
2012-11-25T16:37:05 < zyp> but yes, from a device perspective you just have to make interface descriptors for both functions
2012-11-25T16:38:03 < dongs> kk
2012-11-25T16:38:04 < zyp> IAD is some extra descriptors to make groups of interfaces, to let dumb hosts find a seperate driver for each group
2012-11-25T16:38:04 < dongs> bedtime
2012-11-25T16:39:44 < zyp> I've got the impression that the sole purpose of IAD is to provide a solution for windows' dumb way of assigning usb drivers to devices :p
2012-11-25T16:40:11 < baird> Almost 2am here, and the temperature is still the 32C it's been constantly all day. :/
2012-11-25T16:40:36 < zyp> I just put snow tires on my car today
2012-11-25T16:41:22 < zyp> the first snow here is predicted around thursday
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2012-11-25T17:11:35 < emeb_mac> gooooood morning.
2012-11-25T17:12:19 < zyp> hi
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2012-11-25T17:23:21 < emeb_mac> wonder if dongs got around to building a breakout
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2012-11-25T18:13:39 < karlp> emeb_mac: did you find the lpc4300 sdr stuff? http://ossmann.blogspot.com/2012/06/introducing-hackrf.html
2012-11-25T18:14:12 < karlp> gxti: is your metering board mais powered? where are you planning on mounting it?
2012-11-25T18:16:58 < gxti> karlp: the current revision is mains powered but the next one won't be
2012-11-25T18:17:00 < karlp> what's your target resolution in Watts?
2012-11-25T18:17:41 < gxti> i didn't have a target ahead beforehand but the noise looks like < 0.05W
2012-11-25T18:17:54 < gxti> haven't done any serious calibration though
2012-11-25T18:18:00 < karlp> yeah, you've got massively fancier front ends than I do :)
2012-11-25T18:18:11 < emeb_mac> karlp: thanks - hadn't found it yet.
2012-11-25T18:18:17 < gxti> MCP3903 is a very nice chip
2012-11-25T18:18:59 < karlp> 0.05W is kinda absurd for measuring breakers though isn't it?
2012-11-25T18:19:10 < karlp> even this new led light on my desk is still 3W
2012-11-25T18:19:52 < karlp> gxti: is yours just for fun? where are you feeding the data?
2012-11-25T18:20:14 < gxti> for me it's fun, i'm taking ideas from a friend who wants to use it to control peak demand
2012-11-25T18:21:26 < emeb_mac> gxti: have you seen the one that dj delorie did?
2012-11-25T18:21:36 < karlp> emeb_mac: linky?
2012-11-25T18:21:57 < gxti> emeb_mac: yes
2012-11-25T18:22:04 < gxti> http://www.delorie.com/electronics/powermeter/
2012-11-25T18:22:04 < emeb_mac> http://www.delorie.com/electronics/powermeter/
2012-11-25T18:22:39 < gxti> his frontend chip is nicer but it only has two channels
2012-11-25T18:22:48 < emeb_mac> also a few years older
2012-11-25T18:22:59 < gxti> it'll probably be around longer though :P
2012-11-25T18:23:39 < emeb_mac> for some reason he likes renesas mcus.
2012-11-25T18:25:21 < gxti> mine goes in a DIN-rail-mountable box too, which i haven't bought yet
2012-11-25T18:26:57 < gxti> revision 3 will lose the mains supply and just have 6 or 12 channels all the same, and the measured voltage will come in from a plug pack or something
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2012-11-25T19:08:11 < Laurenceb_> http://www.raspberrypi.org/phpBB3/viewtopic.php?f=28&t=12097&sid=79c00adb826e21abba61f33dea319509&start=800
2012-11-25T19:08:13 < Laurenceb_> rofl
2012-11-25T19:08:34 < Laurenceb_> they just cant take it
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2012-11-25T19:11:52 < zyp> what's it about? the shittyness of the dwc core?
2012-11-25T19:12:08 < zyp> or maybe just shitty dwc driver?
2012-11-25T19:12:21 < Laurenceb_> the drivers
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2012-11-25T19:17:59 < Laurenceb_> problems?! we'll just shut down the forum
2012-11-25T19:25:17 < Laurenceb_> too much infi
2012-11-25T19:25:20 < Laurenceb_> *info
2012-11-25T19:25:22 < Laurenceb_> http://elinux.org/RPi_VerifiedPeripherals#Linux_Driver_Issues
2012-11-25T19:25:32 < Laurenceb_> looks like elinux are trolling them then
2012-11-25T19:25:34 < Laurenceb_>   /sarc
2012-11-25T19:27:05 < Laurenceb_> http://elinux.org/RPi_VerifiedPeripherals#Linux_Driver_Issues
2012-11-25T19:27:07 < Laurenceb_> hahaha
2012-11-25T19:27:22 < Laurenceb_> someone needs to paste this stuff all over the rpi forum
2012-11-25T19:28:55 < zyp> «… problems with USB 1.x peripherals that use split transactions …»
2012-11-25T19:29:26 < zyp> I helped my freebsd guy debug some issues like that in his driver a few weeks ago
2012-11-25T19:30:40 < zyp> I'm not sure what came of it, I left before he was done, but it seems like the hardware was doing something weird with split transactions
2012-11-25T19:31:26 < Laurenceb_> yeah thats been mentioned before
2012-11-25T19:31:38 < Laurenceb_> i bet its pretty fixable
2012-11-25T19:31:56 < Laurenceb_> but rpi deny it even exists
2012-11-25T19:32:09 < zyp> heh
2012-11-25T19:32:33 < emeb> "pay no attention to the man behind the curtain"
2012-11-25T19:32:41 < emeb> or the elephant in the room
2012-11-25T19:32:44 < Laurenceb_> http://hardware.slashdot.org/comments.pl?sid=3070945&cid=41116827
2012-11-25T19:32:46 < Laurenceb_> hahaha
2012-11-25T19:32:52 < zyp> I'm not entirely sure how the split transaction mechanism works, I haven't worked any on the host side
2012-11-25T19:33:09 < Laurenceb_> guess what
2012-11-25T19:33:19 < Laurenceb_> sirsnork is a broadcom employee
2012-11-25T19:33:32 < zyp> split transactions are the mechanism used to transfer LS or FS packets over a HS connection between host and hub
2012-11-25T19:33:50 < zyp> so a device is never seeing any of those
2012-11-25T19:33:55 < Laurenceb_> ah yeah
2012-11-25T19:34:50 < Laurenceb_> http://www.monicahealthcare.com/products/
2012-11-25T19:35:08 < Laurenceb_> i was using one of those with split transactions the other day
2012-11-25T19:35:26 < Laurenceb_> it broke windows xp horribly  :P
2012-11-25T19:36:05 < Laurenceb_> so i put linux on it instead :D
2012-11-25T19:36:18 < karlp> whee, I did something and it worked: http://false.ekta.is/2012/11/id12-rfid-breakout-board/
2012-11-25T19:36:34 < emeb> lpfk?
2012-11-25T19:36:44 < Laurenceb_> its basically a pxa255 board with bluetooth and adc
2012-11-25T19:37:11 < emeb> how did you mill the board?
2012-11-25T19:37:43 < karlp> yeah, lpkf, did I mention that before?
2012-11-25T19:38:01 < emeb> maybe. I'm forgetful.
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2012-11-25T19:38:06 < karlp> and old lpkf protomat anyway,
2012-11-25T19:38:17 < karlp> not that this board would have needed anythign fancy anyway
2012-11-25T19:38:25 < emeb> nice looking tho
2012-11-25T19:38:51 < karlp> thanks, took 6 attempts :)
2012-11-25T19:39:10 < emeb> basically just an adapter for that RFID reader?
2012-11-25T19:39:12 < karlp> the head had been set too low by the previous user,
2012-11-25T19:39:28 < karlp> yeah, just a 2mm strange layout to 2x4pin dip 8 footprint
2012-11-25T19:39:40 < karlp> but stuck the "beep" card detection led on the board too.
2012-11-25T19:40:08 < karlp> I don't use the milling machine very much though, so made a few mistakes relearning things
2012-11-25T19:45:48 < Laurenceb_>  /ban tiem
2012-11-25T19:46:50 < emeb> sar sar lark lar
2012-11-25T19:47:07 < emeb> whoop - my TMS320 assembly leaked out there.
2012-11-25T19:47:44 < karlp> the bigger question now is what on earth to do with an rfid reader
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2012-11-25T19:48:06 < emeb> how close does it need to be to read?
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2012-11-25T19:57:32 < karlp> claims 12cm, at least how mine's wired, more like 7cm?
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2012-11-25T20:18:42 < zyp> hmm, handling the scsi write command and silently ignoring it instead of refusing it makes the host mount the device successfully
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2012-11-25T21:10:02 < zyp> ok, I think I've got working writes as well now
2012-11-25T21:13:28 < Laurenceb_> yeah its a bit odd
2012-11-25T21:13:47 < Laurenceb_> iirc i had that problem
2012-11-25T21:14:02 < Laurenceb_> so you have a mounted device?
2012-11-25T21:14:13 < zyp> sure
2012-11-25T21:14:26 < Laurenceb_> with sd card?
2012-11-25T21:14:30 < zyp> yes
2012-11-25T21:14:34 < Laurenceb_> nice
2012-11-25T21:14:40 < Laurenceb_> is this F4?
2012-11-25T21:14:43 < zyp> yes
2012-11-25T21:14:51 < Laurenceb_> hdparm -t   it
2012-11-25T21:15:00 < zyp> I don't have hdparm on OS X
2012-11-25T21:15:05 < Laurenceb_> doh
2012-11-25T21:15:14 < Laurenceb_> theres got to be something similar
2012-11-25T21:16:36 < zyp> well, according to the usb analyzer, the transfers are getting 30-40 kB/s in both directions
2012-11-25T21:17:06 < zyp> which is about what I would expect, as I'm still only running 400 kHz 1-bit SDIO :p
2012-11-25T21:17:44 < Laurenceb_> oh
2012-11-25T21:17:52 < Laurenceb_> then speed it up :P
2012-11-25T21:18:09 < zyp> yeah, I'm about to
2012-11-25T21:18:23 < Laurenceb_> for reference i got a steady 825KB/s with hdparm
2012-11-25T21:18:32 < Laurenceb_> it varies but average was 825
2012-11-25T21:18:50 < Laurenceb_> ~700 to ~920KB/s
2012-11-25T21:19:17 < zyp> I think I got a similar figure above 900 kB/s somewhere when I was just dropping the writes silently
2012-11-25T21:19:24 < Laurenceb_> yeah me too
2012-11-25T21:19:42 < Laurenceb_> seems to be the protocol limit with 12mbps
2012-11-25T21:20:25 < Laurenceb_> this was 18mhz spi mode with dma interleaved with the usb
2012-11-25T21:22:00 < TitanMKD> grr STM32F4 errata !!
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2012-11-25T21:22:14 < TitanMKD> all Rev A does not have ART accelerator for Flash that really suxx
2012-11-25T21:22:46 < TitanMKD> and the worst is i bough some STM32F4 and I received Rev A but Rev Z fix that and are not delivered instead of Rev A !!
2012-11-25T21:24:33 < zyp> complain to your distributor :p
2012-11-25T21:34:21 <+Steffanx> don't think his distributor cares
2012-11-25T21:38:54 < Laurenceb_> what the fuuuuuuu
2012-11-25T21:39:01 < zyp> ok, enabling four-bit mode increased the throughput by a factor of 4 like expected :p
2012-11-25T21:39:06 < Laurenceb_> openoffice just randomly rearranged my document
2012-11-25T21:39:19 < Laurenceb_> i cant even work out what it looked like now
2012-11-25T21:40:27 < zyp> http://bin.jvnv.net/f/WmMpg.png <- downmost graph, during a copy operation
2012-11-25T21:40:44 < zyp> uh, oh
2012-11-25T21:40:53 < zyp> it crapped itself
2012-11-25T21:40:55 < zyp> :p
2012-11-25T21:41:28 < zyp> first hardfault I've seen in a while
2012-11-25T21:45:32 < TitanMKD> zyp 4 bits mode on SDIO/SDCard ?
2012-11-25T21:45:51 < zyp> yes
2012-11-25T21:46:15 < TitanMKD> zyp have you tested the 8bits mode too ?
2012-11-25T21:46:27 < TitanMKD> IIRC it work only for eMMC mode
2012-11-25T21:46:42 < zyp> sd-cards doesn't have 8 data lines :p
2012-11-25T21:46:57 < TitanMKD> yes it's why i say it is for latest MMC ;)
2012-11-25T21:47:27 < zyp> latest? emmc is not a card format
2012-11-25T21:47:39 < zyp> emmc are chips that are soldered directly to the board
2012-11-25T21:47:40 < TitanMKD> MMC specification
2012-11-25T21:48:27 < zyp> emmc is pretty much a nand flash chip with embedded controller, so you don't have to do wear levelling and shit yourself
2012-11-25T21:48:36 < TitanMKD> only MMC Plus support 8bits in fact
2012-11-25T21:49:08 < zyp> http://www2.electronicproducts.com/16_Gbyte_flash_complies_with_eMMC_standard-article-ICJH09-Jun2007-html.aspx <- see for instance this
2012-11-25T21:49:59 < ds2> zyp: do you know who sells eMMC through distribution?
2012-11-25T21:50:19 < zyp> how would I know? I've never bought any
2012-11-25T21:50:21 < TitanMKD> yes eMMC seems great but i think the price is a bit expensive
2012-11-25T21:50:35 < ds2> just thought I'd ask
2012-11-25T21:50:42 < ds2> eMMC looks great but getting them seems painful
2012-11-25T21:50:44 < TitanMKD> and speed is "slow" 6MBytes/s write
2012-11-25T21:55:24 < zyp> http://bin.jvnv.net/f/E89bM.png <- SD initialization and block transfer
2012-11-25T21:56:09 < zyp> it's reading the first sector of the card, it's mostly 0 except for the partition table at the end
2012-11-25T21:58:29 < emeb> sweet!
2012-11-25T21:58:49 < zyp> also, I managed to lock up usb bus again :p
2012-11-25T21:59:34 < zyp> host didn't like the device hardfaulting during file copy :p
2012-11-25T21:59:37 < emeb> reboot or just unplug/replug?
2012-11-25T21:59:55 < zyp> reboot I guess
2012-11-25T22:00:25 < emeb> meh. Seems like the sort of thing that the OS should be designed to tolerate.
2012-11-25T22:01:47 < zyp> sure
2012-11-25T22:02:56 < Tectu> can somebody tell me how long this takes to execute on an STM32F103 running at 72MHz without getting interrupted?   for(;i;--i);  where i = 100;
2012-11-25T22:02:58 < zyp> but doing active development on devices make for a lot of nasty quirks that are exercising the host stack's handling of weird corner cases :p
2012-11-25T22:03:12 < zyp> so it's not very surprising
2012-11-25T22:03:31 < zyp> Tectu, 0
2012-11-25T22:03:40 < emeb> zyp: yep
2012-11-25T22:03:53 < Tectu> zyp, compiler optimisation?
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2012-11-25T22:04:03 < zyp> Tectu, your statement does nothing, and the compiler is thus not required to emit any instructions for it
2012-11-25T22:04:24 < zyp> also, don't do delay loops that way, just don't.
2012-11-25T22:04:36 < Tectu> zyp, yeah, saw it in someones elses code
2012-11-25T22:04:48 < emeb> does F1 have systick?
2012-11-25T22:04:53 < zyp> of course
2012-11-25T22:04:53 < Tectu> yes
2012-11-25T22:04:59 < emeb> systick is nice
2012-11-25T22:05:12 < emeb> so easy to use. no excuse not to.
2012-11-25T22:05:22 < zyp> dwt_cyccnt is also nice
2012-11-25T22:06:53 < Tectu> <zyp> also, don't do delay loops that way, just don't.    <---   can you explain me why exactly? Not that I don't trust you, but I want to understand why :)
2012-11-25T22:06:56 < emeb> haven't used the cycle counter before
2012-11-25T22:07:45 < zyp> http://paste.jvnv.net/view/Hmu7u <- I suggest doing something like this
2012-11-25T22:08:11 < emeb> simple
2012-11-25T22:08:37 < emeb> and if you know the core clock you can even scale for absolute time.
2012-11-25T22:08:40 < Tectu> what the hell is that
2012-11-25T22:08:53 < emeb> special ARM processor register
2012-11-25T22:08:53 < Tectu> those addresses are random or something known?
2012-11-25T22:09:05 < emeb> http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0337g/BABJFFGJ.html
2012-11-25T22:09:57 < Laurenceb_> zyp: you killed the OSX usb driver?
2012-11-25T22:09:59 < zyp> Tectu, the two reasons are that instruction timing is not determinsitic, and there are a lot of precise ways to do delays that doesn't rely on that
2012-11-25T22:09:59 < TitanMKD> emeb I always use the cyccnt for bench and i even check it's accuracy with scope and fast GPIO ;)
2012-11-25T22:10:34 < Laurenceb_> linux just times out if i do similar
2012-11-25T22:10:57 < Tectu> zyp, not precise because of interrupts or something else as well?
2012-11-25T22:11:29 < zyp> not precise because the cpu is pipelined
2012-11-25T22:11:34 < Laurenceb_> your host controller is dead?
2012-11-25T22:11:38 < zyp> Laurenceb_, no
2012-11-25T22:11:47 < zyp> Laurenceb_, it just refuses to enumerate new devices
2012-11-25T22:11:53 < Laurenceb_> oh woops
2012-11-25T22:12:00 < Laurenceb_> doesnt happen on linux :P
2012-11-25T22:12:22 < Tectu> zyp, so how do you make a delay on an PIC18F for example (simple 8-bit controller)
2012-11-25T22:12:24 < TitanMKD> warning cycnt shall be enabled like that
2012-11-25T22:12:24 < TitanMKD> 	SCS_DEMCR |= SCS_DEMCR_TRCENA;
2012-11-25T22:12:24 < TitanMKD> 	SCS_DWT_CTRL  |= SCS_DWT_CTRL_CYCCNTENA;
2012-11-25T22:12:49 < Laurenceb_> on ubuntu at least, if i hold the stm32 in reset after a few seconds the device in media will be unmounted
2012-11-25T22:13:17 < Laurenceb_> device in /dev seems to remain, and its still enumerated
2012-11-25T22:13:22 < Laurenceb_> until i unplug it
2012-11-25T22:13:31 < Laurenceb_> and the pullup resistor goes
2012-11-25T22:13:31 < zyp> Laurenceb_, it's not just the device hardfaulting
2012-11-25T22:13:49 < Laurenceb_> oh, usb hardfault?
2012-11-25T22:13:53 < Laurenceb_> that could do it :P
2012-11-25T22:13:57 < zyp> huh?
2012-11-25T22:14:09 < zyp> well, just leave it, it doesn't matter .p
2012-11-25T22:14:09 < Laurenceb_> you r usb periph hardfaulted?
2012-11-25T22:14:19 < zyp> I'm not interested in explaining
2012-11-25T22:14:24 < Laurenceb_> ok :D
2012-11-25T22:14:39 < zyp> this has happened before without the cpu hardfaulting :p
2012-11-25T22:14:57 < Laurenceb_> interesting
2012-11-25T22:15:07 < Laurenceb_> when the device is mounted, is it possed at 1hz?
2012-11-25T22:15:26 < zyp> test unit ready? yes
2012-11-25T22:15:45 < Laurenceb_> ok
2012-11-25T22:17:28 < zyp> http://bin.jvnv.net/f/FHwWi.png <- here's the end of mounting, then idle for a while, before I started a copy operation
2012-11-25T22:18:32 < Laurenceb_> st code just tries to read the sector count
2012-11-25T22:18:37 < Laurenceb_> for test unit ready
2012-11-25T22:19:33 < zyp> oh, I don't even do that
2012-11-25T22:20:48 < zyp> http://cgit.jvnv.net/laks_demo/tree/main.cpp?h=temp_usb_msc <- I pushed the code here in case anybody wants to have a look
2012-11-25T22:20:53 < zyp> but it's currently a mess :p
2012-11-25T22:40:19  * emeb just tried out zyp's cyclesleep() - cool.
2012-11-25T22:41:21 < zyp> :)
2012-11-25T22:42:15 < emeb> notice that the ARM docs on that register say the debugger resets it. Wonder if that might alter performance.
2012-11-25T22:42:33 < zyp> resets what?
2012-11-25T22:43:20 < emeb> CYCCNT: "The debugger must initialize this to 0 when first enabling."
2012-11-25T22:43:36 < emeb> probably not
2012-11-25T22:43:43 < zyp> ah, you're misreading
2012-11-25T22:44:10 < zyp> I interpret it as «this register is not initialized to 0, so you have to do that yourself» or something like that
2012-11-25T22:45:05 < emeb> makes sense.
2012-11-25T22:45:17 < zyp> I'm planning to include a cyclesleep function like that into laks
2012-11-25T22:45:43 < zyp> for small delays where triggering a full reschedule with context switch and everything would be excessive
2012-11-25T22:45:49 < emeb> it's very transparent.
2012-11-25T22:46:44 < emeb> on an F4 running full speed it wraps every 25 seconds.
2012-11-25T22:47:36 < zyp> and because of the signed int usage, the max delay time is half that
2012-11-25T22:48:06 < emeb> yeah, but that makes it so you don't have to explicitly check for wrapping of the count, right?
2012-11-25T22:48:19 < zyp> yep
2012-11-25T22:49:25 < emeb> although I note that the code snippet you posted is all uint32_t
2012-11-25T22:49:31 < zyp> oh, wait, the code in my head is not matching the snippet :p
2012-11-25T22:49:56 < zyp> right, the pasted code doesn't have that problem
2012-11-25T22:50:44 < zyp> but it doesn't matter much
2012-11-25T22:51:27 < zyp> if you are counting delay time in seconds, or even milliseconds, you should rather trigger the scheduler and put the thread to sleep
2012-11-25T22:52:14 < emeb> yeah - that code snippet will mis-time if the counter wraps while it waits for the end condition.
2012-11-25T22:52:34 < zyp> I grabbed that snippet from the branch where I'm testing changes to the thread scheduling
2012-11-25T22:53:01 < zyp> including putting the cpu to sleep when there are no threads ready to run
2012-11-25T22:53:11 < emeb> wfi?
2012-11-25T22:53:17 < zyp> almost
2012-11-25T22:53:48 < emeb> I put that into a big-loop project. made a noticeable difference in Idd
2012-11-25T22:55:08 < zyp> there is a SLEEPONEXIT bit in some register that does the same as wfi when exiting interrupt processing
2012-11-25T22:55:25 < emeb> I was wondering about that.
2012-11-25T22:55:50 < emeb> if you've got a wfi, then and IRQ happens does it return to sleep when the IRQ is done?
2012-11-25T22:56:02 < zyp> only if SLEEPONEXIT is set
2012-11-25T22:56:12 < zyp> I'm intending to only use that, not explicit wfi
2012-11-25T22:56:44 < zyp> since scheduler will be running under pendsv handler, it'll just set SLEEPONEXIT if no threads are ready to run
2012-11-25T23:28:22 < BrainDamage> http://www.coconut-audio.com/DAC.htm
2012-11-25T23:28:32 < BrainDamage> I want to hope it's a troll site
2012-11-25T23:30:23 < emeb> audiophool nonsense.
2012-11-25T23:30:49 < gxti> back in the day we called those "parodies"
2012-11-25T23:31:04 < emeb> it's so hard to tell w/ audiophools
2012-11-25T23:31:15 < gxti> yes, which is why i ignore it all
2012-11-25T23:31:23 < gxti> mocking it is a waste of bandwidth
2012-11-25T23:31:23 < emeb> the expensive little wooden discs, the Tice Clock, etc.
2012-11-25T23:31:24 < Laurenceb_> haha wtf
2012-11-25T23:31:26 -!- l4cr0ss [~lacro$$@23.19.138.91] has quit [Quit: l4cr0ss]
2012-11-25T23:31:32 < Laurenceb_> thats hilarious
2012-11-25T23:32:19 < Laurenceb_> surely troll
2012-11-25T23:32:44 < zyp> $300000 :D
2012-11-25T23:33:08 < Laurenceb_> http://www.coconut-audio.com/rattlesnake/index.html
2012-11-25T23:33:11 < Laurenceb_> def troll
2012-11-25T23:35:08 < emeb> it's like Mr. Lifto.
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2012-11-25T23:45:40 < Laurenceb_> "Audiophiles don't know what they are doing with their home made cables, but their cables sound good."
2012-11-25T23:45:41 < Laurenceb_> lol
2012-11-25T23:46:11 < Laurenceb_> http://www.coconut-audio.com/rattlesnake/images/speaker_cable20kg.gif
2012-11-25T23:46:17 < Laurenceb_> looks so wrong
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2012-11-25T23:50:44 < Tectu> you know what I hate?
2012-11-25T23:50:52 < Tectu> I hate movies where people have sex
2012-11-25T23:51:43 < emeb> one hesitates to ask why
2012-11-25T23:52:15 < Tectu> It's just wrong
2012-11-25T23:52:34 < Laurenceb_> lol
2012-11-25T23:52:42 < Laurenceb_> Tectu has a point
2012-11-25T23:52:51 < Laurenceb_> i dont want to watch pron when its a movie
2012-11-25T23:53:24 < emeb> in what form would you prefer your pron?
2012-11-25T23:54:06 < Tectu> when I want to watch porn, I do watch porn - and then I see porn. In the movies, you see nothing, but hear them «screaming».
2012-11-25T23:54:47 < Tectu> I mean, that's like when you are very very very hungry at class or something, and you watch a movie where people eat stuff all 4 minutes
2012-11-25T23:54:49 < Tectu> it's just wrong
2012-11-25T23:55:05 < Tectu> but it's less wrong because you can see the entire action
2012-11-25T23:55:24 < emeb> ah - you don't like the tease
2012-11-25T23:56:35 < Tectu> yes
2012-11-25T23:56:42 < Tectu> and I don't like the fact that they do it so wrong
2012-11-25T23:57:48 < emeb> R-rated movie sex is calculated to incur the least offense to the largest audience.
2012-11-25T23:58:11 < emeb> so it's by definition as ambiguous as possible.
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--- Day changed Mon Nov 26 2012
2012-11-26T00:04:35 < Tectu> okay, using stdlib
2012-11-26T00:04:35 < Tectu> ADC_RegularChannelConfig(TS_ADC, ch, 1, ADC_SampleTime_55Cycles5);
2012-11-26T00:04:43 < Tectu> val = ADC_GetConversionValue(TS_ADC);
2012-11-26T00:04:51 < Tectu> does this return a 10 bit ADC?
2012-11-26T00:04:54 < Tectu> on STM32F103
2012-11-26T00:05:29 < Tectu> because somebody does read out the same value twice and does this:     ((val1+((1<<12)-val2))/4);
2012-11-26T00:05:41 < Tectu> and I really cannot figure out what this is for
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2012-11-26T00:34:02 < emeb> basic question: what do I do to link in newlib/libc in my launchpad project?
2012-11-26T00:34:39 < emeb> I usually don't do that so all that stuff is stripped out of my Makefile.
2012-11-26T00:35:00 < emeb> now I'm trying to use printf() redirected to a UART and it can't find printf of course.
2012-11-26T00:44:33 < zyp> huh?
2012-11-26T00:44:49 < zyp> your compiler should pull inn libc by itself unless you tell it not to
2012-11-26T00:45:02 < emeb> really?
2012-11-26T00:45:10 < emeb> must have told it not to.
2012-11-26T00:45:17 < gxti> yes, but the one it's compiled to use may not be the one you want
2012-11-26T00:45:34 < gxti> which is where i am now -- i used buildroot to make my toolchain, which only supports uclibc
2012-11-26T00:45:43 < zyp> irrelevant.
2012-11-26T00:46:00 < gxti> you're irrelevant
2012-11-26T00:46:06 < emeb> here's my makefile: http://pastebin.com/Gzhy3tKY
2012-11-26T00:46:12 < zyp> emeb, quick question, did you remember to include stdio.h? :p
2012-11-26T00:46:20 < emeb> zyp: yes
2012-11-26T00:46:28 < zyp> ok, what's the compiler output?
2012-11-26T00:46:29 < emeb> it's not failing until the link stage.
2012-11-26T00:46:39 < zyp> ah
2012-11-26T00:46:41 < emeb> /home/ericb/KBADC/stm32/f373_serial/main.c:95: undefined reference to `printf'
2012-11-26T00:46:41 < emeb> make: *** [main.elf] Error 1
2012-11-26T00:46:48 < gxti> emeb: what about the linker script?
2012-11-26T00:48:38 < zyp> that shouldn't matter
2012-11-26T00:49:14 < gxti> it does if there's a DISCARD section
2012-11-26T00:49:24 < zyp> oh, wait, you have -lc and -L … in LDFLAGS
2012-11-26T00:49:28 < zyp> you shouldn't need that
2012-11-26T00:50:00 < zyp> oh, wait
2012-11-26T00:50:08 < zyp> I spotted your problem
2012-11-26T00:50:27 < zyp> you are calling ld directly
2012-11-26T00:50:31 < zyp> call gcc in place of ld
2012-11-26T00:51:05 < zyp> and remember to include the -mcpu and -mthumb flags in LDFLAGS so multilib will pick the correct variant
2012-11-26T00:51:40 < emeb> zyp: trying...
2012-11-26T00:51:54 < zyp> you might also need to prefix the other linker flags with -Wl,
2012-11-26T01:01:09 < dongs> first world problems
2012-11-26T01:02:03 <+Steffanx> Hmm, sure dongs?
2012-11-26T01:05:02 < dongs> haha britkid update
2012-11-26T01:05:03 < dongs> <britkid> University is sucking up all my time. I don't have any soldering kit here either so can't make a prototype.
2012-11-26T01:05:06 < dongs> <britkid> I am thinking of doing a release of all code, all hardware schematics, etc. so I have at least SOMETHING to show for years of work and money on indiegogo.
2012-11-26T01:05:09 < dongs> <britkid> I don't know if I have enough time at BitBox to make the prototypes. I have committed myself to a project I'm not sure I can finish
2012-11-26T01:05:13 < dongs> poor guy.
2012-11-26T01:06:20 < zyp> who's that?
2012-11-26T01:06:26 < dongs> the guy with shit soldering
2012-11-26T01:06:30 < dongs> whose pics i paste in here
2012-11-26T01:07:33 < zyp> tom?
2012-11-26T01:07:35 < dongs> y
2012-11-26T01:08:04 < dongs> http://www.rcgroups.com/forums/showpost.php?p=23359489&postcount=1920
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2012-11-26T01:31:40 < dongs> Que> I don't think having soldering kit or not makes any difference to his ability to produce a working prototype
2012-11-26T01:31:43 < dongs> Que> he might as well just stick the components to the board with elmers glue
2012-11-26T01:32:07 < Bird|lappy> dongs, heh.  as long as it works, who cares how ugly it is?
2012-11-26T01:32:18 < dongs> well, his is ugly AND doesn't worwk.
2012-11-26T01:32:27 < dongs> the best of both worlds!
2012-11-26T01:32:38 < Bird|lappy> :P
2012-11-26T01:32:50 < dongs> plus he's fucked anyway
2012-11-26T01:33:03 < dongs> as PIC's SPI DMA will insert a clockcycle worth of pause
2012-11-26T01:33:13 < Laurenceb_>   "According to the laws of physics, microcontroller power consumption increases with the
2012-11-26T01:33:13 < Laurenceb_> clock frequency
2012-11-26T01:33:13 < Laurenceb_> "
2012-11-26T01:33:15 < dongs> so he cant use DMA to dump video out anyway
2012-11-26T01:33:34 < Laurenceb_> an2629 might be right
2012-11-26T01:34:42 < dongs> wat
2012-11-26T01:37:22 < Laurenceb_> an2629 cites the laws of physics
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2012-11-26T01:41:54 < emeb> meh fscking gcc.
2012-11-26T01:45:09 < Laurenceb_> cant find anything about microcontrollers in the laws of thermodynamics
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2012-11-26T01:46:49 < Laurenceb_> F1 isnt so much worse than L1, roughly twice the current draw
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2012-11-26T01:50:01 < Laurenceb_> http://www.coconut-audio.com/hifijustice/experiments.htm
2012-11-26T01:50:03 < Laurenceb_> pmsl
2012-11-26T01:54:15 < Laurenceb_> dongs: how do you do your "hardware delay to first pixel"  ?
2012-11-26T01:57:42 < emeb> so apparently the launchpad gcc doesn't have a lib for M4F with hard fpu?
2012-11-26T02:01:54 < zyp> sure does
2012-11-26T02:02:04 < emeb> hmmm
2012-11-26T02:02:24 < zyp> calling «arm-none-eabi-gcc -print-multi-lib» will give you a list
2012-11-26T02:03:02 < emeb> armv7e-m/fpu;@mthumb@mfloat-abi=hard@march=armv7e-m@mfpu=fpv4-sp-d16
2012-11-26T02:03:12 < zyp> yep, that's it
2012-11-26T02:03:16 < emeb> yeah
2012-11-26T02:03:22 < emeb> so why won't it link?
2012-11-26T02:03:38 < zyp> note that you need the -mfpu=fpv4-sp-d16 argument
2012-11-26T02:03:50 < emeb> oh
2012-11-26T02:03:55 < zyp> to select fpu type
2012-11-26T02:04:04 < zyp> I guess multilib is filtering on that
2012-11-26T02:04:40 < emeb> yeah - that helped some.
2012-11-26T02:04:49 < emeb> now I'm getting different errors. :P
2012-11-26T02:04:54 < emeb> (and fewer)
2012-11-26T02:05:05 < zyp> probably missing system calls now?
2012-11-26T02:05:19 < emeb> /opt/launchpad/gcc-arm-none-eabi-4_6-2012q2/bin/../lib/gcc/arm-none-eabi/4.6.2/../../../../arm-none-eabi/lib/armv7e-m/fpu/libg.a(lib_a-sbrkr.o): In function `_sbrk_r':
2012-11-26T02:05:19 < emeb> sbrkr.c:(.text._sbrk_r+0xc): undefined reference to `_sbrk'
2012-11-26T02:05:26 < zyp> yeah
2012-11-26T02:05:40 < emeb> stuff I need to supply in my startups?
2012-11-26T02:05:48 < zyp> you can do -lnosys, or do your own
2012-11-26T02:05:53 < zyp> these are function stups
2012-11-26T02:05:56 < zyp> stubs*
2012-11-26T02:05:56 < Bird|lappy> emeb, libgloss/libnosys, or supply a stub
2012-11-26T02:06:22 < zyp> to integrate newlib with your memory management and file system and so on
2012-11-26T02:06:54 < zyp> if you want to send stdout to a uart, you need to implement write()
2012-11-26T02:08:37 < emeb> still complaining about _sbrk
2012-11-26T02:08:45 < emeb> with -lnosys
2012-11-26T02:08:54 < emeb> -lgloss burps
2012-11-26T02:09:06 -!- Laurenceb_ [~Laurence@host86-179-249-229.range86-179.btcentralplus.com] has quit [Ping timeout: 264 seconds]
2012-11-26T02:10:25 < zyp> http://ieee.uwaterloo.ca/coldfire/gcc-doc/docs/porting_3.html#SEC14 <- this page explains the mechanisms
2012-11-26T02:10:45 < emeb> thx
2012-11-26T02:12:25 < emeb> surprised -lnosys didn't fix it.
2012-11-26T02:12:48 < emeb> I can see it in the arm7e-m lib dir
2012-11-26T02:15:26 < emeb> and objdump shows that it has an sbrk in it.
2012-11-26T02:15:33 < dongs> Laurenceb: timer
2012-11-26T02:16:14 < dongs> oh that fucking ragequitter.
2012-11-26T02:16:35 < emeb> hmpf
2012-11-26T02:16:41 < dongs> haha, sbrk
2012-11-26T02:16:45 < dongs> and this is why i dont use gcc.
2012-11-26T02:17:09 < emeb> it's mysterious all right
2012-11-26T02:23:50 < emeb> dongs: did you get a chance to try building an F3 breakout?
2012-11-26T02:24:33 < dongs> nah i got other shit in queue, havent looked at it yet
2012-11-26T02:24:43 < emeb> *nod*
2012-11-26T02:24:48 < dongs> need to see how much shit I need ot do today and maybe will try
2012-11-26T02:25:16 < emeb> got all the parts?
2012-11-26T02:25:45 < dongs> ya
2012-11-26T02:25:57 < dongs> even the oddball crystal, from another proj
2012-11-26T02:26:07 < emeb> oddball reset switch?
2012-11-26T02:26:14 < dongs> i dont plan on resetting it :)
2012-11-26T02:26:26 < emeb> just short it w/ tweezers.
2012-11-26T02:26:51 < zyp> reset buttons are overrated :p
2012-11-26T02:28:06 < dongs> http://www.ebay.com/itm/110979603390 rofl
2012-11-26T02:28:32 < zyp> wtf
2012-11-26T02:28:55 < emeb> must really want it.
2012-11-26T02:29:28 < dongs> faggots like this is probably why google ran out of stock
2012-11-26T02:29:36 < dongs> in 20 minutes
2012-11-26T02:29:41 < zyp> I want it, but not that bad
2012-11-26T02:29:53 < zyp> going to get it once it gets available
2012-11-26T02:30:01 < dongs> mine is on the way
2012-11-26T02:30:13 < dongs> whenever they figure out the "up to 3 weeks wait" part.
2012-11-26T02:30:13 < emeb> fanboys
2012-11-26T02:30:54 < zyp> I got a friend travelling to US during christmas, he was talking about picking it up for me, as it'll probably be twice as expensive in norway
2012-11-26T02:35:58 < emeb> zyp: -lnosys doesn't seem to do anything. If I supply my own stubs though it seems to work.
2012-11-26T02:36:10 < emeb> at least the linker stops complaining.
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2012-11-26T02:50:46 < emeb> looks like printf works at least. \o\ |o| /o/
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2012-11-26T02:55:23 < zyp> :)
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2012-11-26T03:09:53 < emeb> Interesting - looks like cyclesleep() isn't working when powering up w/o debugger.
2012-11-26T03:11:06 < emeb> TitanMKD had some stuff to say about that earlier
2012-11-26T03:12:31 < zyp> oh
2012-11-26T03:12:47 < zyp> I haven't tested that
2012-11-26T03:16:55 < emeb> TitanMKD was right.
2012-11-26T03:17:18 < zyp> for once? :p
2012-11-26T03:17:23 < emeb> also need this: volatile uint32_t* demcr = (uint32_t*)0xE000EDFC;
2012-11-26T03:17:23 < emeb>  	*demcr |= (1<<24);
2012-11-26T03:17:26 < zyp> well, good to know
2012-11-26T03:17:33 < zyp> I'll take note of that
2012-11-26T03:17:54 < emeb> otherwise the counter doesn't count. just get 0 back and timer never expires.
2012-11-26T03:18:30 < zyp> ah, TRCENA
2012-11-26T03:18:34 < emeb> yep
2012-11-26T03:19:04 < emeb> Anyway - using simple polled I/O I've got serial printf working.
2012-11-26T03:19:08 < zyp> does that have a notable power impact?
2012-11-26T03:19:19 < emeb> haven't measured.
2012-11-26T03:19:38 < zyp> may be good to check before using for something serious
2012-11-26T03:19:38 < emeb> you mean turning on TRCENA?
2012-11-26T03:19:42 < zyp> yes
2012-11-26T03:20:23 < emeb> before I can try it I need to provide some alternative...
2012-11-26T03:21:03 < emeb> man - adding those libraries really makes things get big.
2012-11-26T03:21:13 < zyp> heh
2012-11-26T03:21:41 < zyp> my msc stuff is at 9k flash, currently
2012-11-26T03:21:48 < emeb> yeah.
2012-11-26T03:22:03 < emeb> 46k for this - stdperiph + libc
2012-11-26T03:22:15 < emeb> and all it's doing is printing "TEST" to a uart.
2012-11-26T03:22:43 < zyp> throw in -Wl,--gc-sections in LDFLAGS
2012-11-26T03:22:48 < zyp> see if it makes any difference
2012-11-26T03:23:04 < zyp> also, you want -ffunction-sections in CFLAGS if you don't already have it
2012-11-26T03:25:13 < emeb> that got it down to 33k
2012-11-26T03:25:37 < zyp> does it still run?
2012-11-26T03:25:38 < zyp> :p
2012-11-26T03:25:46 < emeb> yes
2012-11-26T03:30:36 < emeb> so, 36ma w/ TRCENA
2012-11-26T03:31:08 < emeb> TRCENA off that is
2012-11-26T03:31:13 < emeb> and 38ma with it on
2012-11-26T03:32:05 < dongs> reloading 0.1uf caps reel again
2012-11-26T03:32:12 < dongs> wasnt too long ago when i replaced it, either
2012-11-26T03:32:42 < emeb> go through those fast.
2012-11-26T03:35:52 < dongs> cocks.. i only have like 1/8th of a reel, the one i thought was full is 0402.. fuck
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2012-11-26T03:36:13 < dongs> i gotta make like 120 boards today i hope i have enough
2012-11-26T03:44:02 < gxti> newlib's "build system" is making me irritable
2012-11-26T03:44:54 < gxti> i would check if latest CVS is less retarded but that would require using CVS
2012-11-26T03:45:23 < zyp> what, are they still using cvs? in 2012?
2012-11-26T04:00:00 < emeb> hey - I still use CVS. :)
2012-11-26T04:00:15  * emeb is a fossil
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2012-11-26T04:01:17 < gxti> hoped newlib would actually compile if i merged it into the gcc tree, nope
2012-11-26T04:01:28 < gxti> "This configuration is not supported in the following subdirectories: EVERYTHING I WANT"
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2012-11-26T06:01:34 < dongs> halfdone...
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2012-11-26T06:17:29 < emeb_mac> half of what?
2012-11-26T06:20:18 < dongs> of 3 hours ago status
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2012-11-26T07:36:42 < dongs> haha
2012-11-26T07:36:46 < dongs> attn zippe
2012-11-26T07:36:46 < dongs> After I discussed this A10-AES/DES issues with Allwinner's members, this HW engine was not
2012-11-26T07:36:50 < dongs> yet used/verified/proved on this A10's silicon until today. So far, they will take one month time to
2012-11-26T07:36:53 < dongs> look at this A10's AES/DES function. Also try to provide one driver to support this HW's Engine.
2012-11-26T07:37:07 < dongs> how fucking long has allwhiner a10 been available?? and they havent "tried" to use the fucking aes core they stuck on it?
2012-11-26T07:37:23 < dongs> and fucks are being assholes about register docs cuz all they have is the docs for the asic/ip core and they don't wanna give those out..
2012-11-26T07:43:58 < emeb_mac> lol
2012-11-26T07:44:20 < emeb_mac> that's no way to run a rodeo
2012-11-26T07:45:04 < ds2> heh
2012-11-26T07:45:25 < dongs> "until today" so we must be the first customer who asked them about this shit
2012-11-26T07:45:30 < emeb_mac> guess they're making enough money on those chips w/o worrying about all the ip the shoveled into it.
2012-11-26T07:45:32 < dongs> why hte fuck do they have something on chip if they dont even know how to use it
2012-11-26T07:45:33 < dongs> yeah.
2012-11-26T07:46:26 < emeb_mac> probably got the ip for (nearly) free with some other stuff they really wanted, so they just stuck it on.
2012-11-26T07:46:48 < ds2> could have been 'borrowed' ip
2012-11-26T07:46:58 < dongs> being c hina, could be just stole ntoo
2012-11-26T07:46:58 < dongs> yeah
2012-11-26T07:47:06  * emeb_mac wasn't going to mention those possibilities
2012-11-26T07:47:48 < dongs> oh hey ,, this looks nice.. nobody's looking right.
2012-11-26T07:48:36 < emeb_mac> heh
2012-11-26T07:48:45 < emeb_mac> or they got it from opencores :P
2012-11-26T07:48:47 < dongs> 120 boards made now i gotta prpogram/test them all ugh and i got about an hour left
2012-11-26T07:49:06 < emeb_mac> crack that whip
2012-11-26T07:49:23 < ds2> just 120?
2012-11-26T07:49:33 < ds2> surely, test and program has been fully automated
2012-11-26T07:49:40 < ds2> all you got to do is press a button, right? :D
2012-11-26T07:49:40 < emeb_mac> har
2012-11-26T07:49:49 < dongs> of course, i still gotta hold the fucking thing on pins
2012-11-26T07:49:58 < ds2> no bed of nail jig?
2012-11-26T07:50:06 < dongs> thats where its being held to.
2012-11-26T07:51:15 < dongs> dioesnt make it any less annoying :)
2012-11-26T07:51:19 < ds2> emeb_mac: what's the temp like down there right now?
2012-11-26T07:51:38 < emeb_mac> ds2:  right now? looks like in the mid 60s
2012-11-26T07:51:52 < emeb_mac> got up to 79 or so today tho
2012-11-26T07:51:55 < ds2> oh just a little bit warmer
2012-11-26T07:52:02 < ds2> 46F :(
2012-11-26T07:52:10 < emeb_mac> sweater weather
2012-11-26T07:52:34 < emeb_mac> pretty cool for your area, no?
2012-11-26T07:52:40 < ds2> yep
2012-11-26T07:52:46 < ds2> but it will get colder
2012-11-26T07:52:53 < ds2> like low 30's in a few weeks
2012-11-26T07:53:30 < emeb_mac> yeah - remember coming down I5 thru Sac a few years back in late Dec when there was a storm coming down from Tahoe
2012-11-26T07:53:35 < dongs> its fucking 7C here
2012-11-26T07:53:45 < ds2> 7C? hmmm
2012-11-26T07:53:45 < emeb_mac> freeway was crazy packed with folks trying to outrun the storm
2012-11-26T07:54:11 < ds2> oh about the same as here
2012-11-26T07:54:15 < ds2> 44F
2012-11-26T07:54:26 < ds2> emeb_mac: what storm?
2012-11-26T07:54:50 < emeb_mac> big snowstorm in the sierras
2012-11-26T07:55:00 < ds2> Ohhhh
2012-11-26T07:55:01 < emeb_mac> blocked off the roads for a few days IIRC
2012-11-26T07:55:11 < ds2> but how does that effect ur area?
2012-11-26T07:55:21 < ds2> I10 is south of the sierras, AFAIK
2012-11-26T07:55:27 < emeb_mac> we were traveling thru CA at the time.
2012-11-26T07:55:42 < emeb_mac> I5 thru central valley
2012-11-26T07:57:15 < ds2> ahhhh
2012-11-26T07:57:21 < ds2> thought you been at home
2012-11-26T07:57:36 < emeb_mac> not that time
2012-11-26T07:57:38 < ds2> very familiar with I5
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2012-11-26T07:57:49 < emeb_mac> we've got relatives in OR so we're on that road a lot
2012-11-26T07:58:21 < emeb_mac> lately switched to visiting in August tho - weathers nicer.
2012-11-26T07:58:53 < ds2> ohhhh
2012-11-26T07:59:03 < ds2> that is quicker/better then 395 or via NV?
2012-11-26T07:59:18 < emeb_mac> yeah
2012-11-26T07:59:28 < emeb_mac> not as pretty, but shaves a few hours
2012-11-26T07:59:53 < emeb_mac> we can get from Phx to Eugene, OR in about 19 hrs driving
2012-11-26T08:00:52 < emeb_mac> I've done the route thru NV a few times - that's even more boring than I5
2012-11-26T08:00:53 < dongs> 12..
2012-11-26T08:01:12 < emeb_mac> 12 board tested?
2012-11-26T08:01:27 < dongs> ya. takes about 10? sec/board
2012-11-26T08:01:35 < emeb_mac> not bad
2012-11-26T08:01:50 < emeb_mac> should be done in about 20min
2012-11-26T08:03:43 < ds2> 19? how do you get to I5?
2012-11-26T08:03:57 < emeb_mac> I10 Phx-LA
2012-11-26T08:04:06 < emeb_mac> take 210 around the outside
2012-11-26T08:04:08 < ds2> WOW you must drive fast
2012-11-26T08:04:20 < ds2> or don't stop for food or gas
2012-11-26T08:04:24 < emeb_mac> ~80 in AZ, ~70 in CA
2012-11-26T08:04:25 < dongs> its pretty cool in america you dont have to pay tolls
2012-11-26T08:04:34 < ds2> dongs: uh... not true
2012-11-26T08:04:45 < dongs> driving form one end of jp to another is gonna cost something like $400 in tolls
2012-11-26T08:04:45 < dongs> heh
2012-11-26T08:04:52 < ds2> oh
2012-11-26T08:04:52 < emeb_mac> ouch!
2012-11-26T08:05:09 < ds2> and I thought the OH/IN/IL area was bad
2012-11-26T08:05:09 < emeb_mac> cheaper to fly!
2012-11-26T08:05:18 < dongs> obviously
2012-11-26T08:05:34 < dongs> i duno the exact numbers but to get to a city 200km away, it costs me ~$35 in tolls
2012-11-26T08:05:37 < dongs> so yea...
2012-11-26T08:06:36 < emeb_mac> I can drive 1200 miles on roughly 4 tanks of gas @ about $35/ea, so $140 or so.
2012-11-26T08:07:01 < emeb_mac> no tolls on that route
2012-11-26T08:07:09 < dongs> heh
2012-11-26T08:07:18 < dongs> 55L of gas costs around.. ~100ish$ here
2012-11-26T08:07:20 < emeb_mac> some tolls on bridges in the SF area, but we avoid that
2012-11-26T08:08:03 < emeb_mac> yeah - americans are spoiled when it comes to cost of gas. pretty dumb in the long rung.
2012-11-26T08:08:07 < emeb_mac> -g
2012-11-26T08:11:34 < emeb_mac> ds2: I've done some driving in WV/PA/OH and the tolls were a nuisance.
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2012-11-26T08:13:27 < dongs> 5x12.. 60? i guess no dead so far.
2012-11-26T08:14:54 < emeb_mac> 1/2 way done
2012-11-26T08:15:05 < emeb_mac> not bad on the success rate.
2012-11-26T08:16:22 < dongs> one green led was swapped for blue.. i bumpe dhte shit when switching boards and picked what I thought fell down from the floor
2012-11-26T08:16:26 < dongs> i guess i was wrong :p
2012-11-26T08:17:40 < emeb_mac> onoes
2012-11-26T08:27:59 < dongs> last panel
2012-11-26T08:31:54 < dongs> kfucking done
2012-11-26T08:32:06 < emeb_mac> yay!
2012-11-26T09:03:48 < emeb_mac> zzzzz
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2012-11-26T09:09:11 < dongs> k stuff is gone
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2012-11-26T10:09:02 < zyp> I rented a car when I was in japan, in total I paid about twice as much in tolls as I did for gas
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2012-11-26T10:09:31 < zyp> I was a bit amazed at how high the tolls were
2012-11-26T10:09:56 < dongs> http://www.digikey.com/product-detail/en/PE42650AMLI-Z/1046-1050-6-ND/2614596 why is this $30/ea
2012-11-26T10:10:03 < dongs> zyp: right
2012-11-26T10:10:06 < dongs> also: lol @ renting a car
2012-11-26T10:10:15 < dongs> i think last I checked they wanted something like $300 a day
2012-11-26T10:10:24 < dongs> of course that was more than 10 years ago
2012-11-26T10:10:28 < zyp> uh
2012-11-26T10:10:54 < zyp> I paid 15k yen for two days
2012-11-26T10:11:03 < zyp> then 10k in tolls and 5k on gas :p
2012-11-26T10:11:10 < dongs> not much different :D
2012-11-26T10:12:26 < zyp> oh well, it was worth it, was a nice trip
2012-11-26T10:13:52 < zyp> also, we had four people in each car to split the cost, so it weren't that expensive :p
2012-11-26T10:15:37 < baird> Do motorbikes get hit with the same toll rates as cars in JP? (..like in much of AU :/)
2012-11-26T10:15:58 < dongs> i think kei cars get cheaper toll by a bit
2012-11-26T10:16:03 < dongs> bikes are e ither same or slightly below kei
2012-11-26T10:16:14 < dongs> catch is, i dont think you can have scooter-type shits on highway
2012-11-26T10:16:18 < dongs> it'd have to be a proper bike
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2012-11-26T10:35:29 < baird> Fortunately, no scooter-exclusion on highways here. :) (..otherwise my around-oz trip would've been a bit harder)
2012-11-26T10:37:09 < baird> only a few spots on some highways exclude bicycles, too.
2012-11-26T10:39:29 < dongs> def no bicycles here
2012-11-26T10:39:30 < baird> There used to be a "no slower than N km/h of the posted speed limit" in some states, but that went when the road rules were 'federalised'
2012-11-26T10:39:37 < dongs> and for bike i think its either 50 or 150cc min
2012-11-26T10:39:38 < dongs> i forget which
2012-11-26T10:41:51 < baird> The average vehicle speed on roads within the Sydney metropolitan area is only 29.7 km/h anyway, so you're not too disadvantaged. :)
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2012-11-26T11:47:41 < baird> Susan Boyle's new album event: #susanalbumparty
2012-11-26T11:48:26 < dongs> this isnt twitter bro
2012-11-26T11:48:51 < zyp> also a week old
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2012-11-26T11:55:38 < baird> Might explain why I'm the only one in the channel ;
2012-11-26T11:56:39 < dongs> haha
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2012-11-26T12:46:46 < dongs> Laurenceb_: you asked me something
2012-11-26T12:46:46 < dongs> oh
2012-11-26T12:46:49 < dongs> hardware delay o fisrt pixel
2012-11-26T12:47:01 < dongs> Laurenceb_: timer http://code.google.com/p/afrodevices/source/browse/trunk/m3osd/src/osdcore.c#570
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2012-11-26T13:33:15 < PaulFertser> Hi there. If anyone has a setup with JTAG, SRST and ST-Link you might want to test http://openocd.zylin.com/#/c/972/ , it enables connecting while SRST is asserted, useful e.g. when your target is asleep.
2012-11-26T13:40:49 < karlp> what's the difference between srts and nrst?
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2012-11-26T13:56:25 < ntfreak> dongs: STM32F4x7 according to early docs i have is supposed to have sdram controller, F4x9 is supposed to have onboard TFT
2012-11-26T13:58:33 < zyp> nice
2012-11-26T14:01:58 < PaulFertser> karlp: srst is supposed to be connected to the !reset line of the uC and other equipment, it's like an on-board "reset" button. And trst is just for the jtag logic, and it's optional because you can do the same with jtag commands. nrst is afaict another name for srst.
2012-11-26T14:02:29 < dongs> ntfreak: awesome.
2012-11-26T14:02:38 < dongs> TFT = no care
2012-11-26T14:02:40 < dongs> give me eDP
2012-11-26T14:03:11 < dongs> then I'll care more :)
2012-11-26T14:03:40 < ntfreak> dongs: i am going to find out, they may have left the info off, or decided to remove the sdram controller.
2012-11-26T14:03:50 < dongs> well, it says SDRAM on the ST site
2012-11-26T14:03:54 < dongs> for 47x
2012-11-26T14:04:10 < dongs> but no datasheet?
2012-11-26T14:04:10 < dongs> err 42x or wahtever
2012-11-26T14:04:11 < dongs> and no mentio nof sdram in databrief
2012-11-26T14:05:18 < ntfreak> yeh sorry mean F42x7 and F42x9, too many numbers
2012-11-26T14:05:26 < claude> huh dongs , link please
2012-11-26T14:05:49 < claude> ah nm i see
2012-11-26T14:07:10 < dongs> yase
2012-11-26T14:07:25 < dongs> F303CC ship date changed from 11/26 to 12/18 on digijew...
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2012-11-26T14:32:47 < Laurenceb> dongs: so your video stuff isnt pure hardware
2012-11-26T14:32:59 < Laurenceb> i was thinking if you could do pure hardware...
2012-11-26T14:33:18 < Laurenceb> i think maybe yes but havent worked it out fully
2012-11-26T14:33:29 < Laurenceb> if you have three timers
2012-11-26T14:34:02 < Laurenceb> timer 1 is triggered off the sync detect input/comparator, using reset slave mode
2012-11-26T14:34:24 < Laurenceb> its in one shot mode with a pwm mode 2 output as master signal
2012-11-26T14:34:46 < Laurenceb> that gives the delay to first pixel and to the last pixel
2012-11-26T14:35:13 < Laurenceb> then second timer is in gated mode off first, and acts as pixel clock
2012-11-26T14:35:35 < Laurenceb> maybe use update event to trigger dma to the spi  - in that case itd be 8 pixel clock
2012-11-26T14:36:14 < Laurenceb> then timer 2 also has a master output from an output compare or maybe update event
2012-11-26T14:36:28 < Laurenceb> this resets timer3, which is in slave mode
2012-11-26T14:36:36 < zyp> Laurenceb, and what do you achieve by that over the current solution?
2012-11-26T14:38:11 < Laurenceb> timer3 overflow triggers interrupt during flyback
2012-11-26T14:38:21 < Laurenceb> wait i misunderstood Pal
2012-11-26T14:38:32 < Laurenceb> maybe forget last timer
2012-11-26T14:38:51 < Laurenceb> zyp: hardware only - no interrupts firing off all the time
2012-11-26T14:43:11 < Laurenceb> ok i think youd need 4 timers to do vertical sync with just a comparator
2012-11-26T14:44:56 < dongs> Laurenceb: it is pure hardware
2012-11-26T14:45:01 < dongs> i dont touch cpu until its time to clock the line out
2012-11-26T14:45:11 < dongs> i am not waiting for anything
2012-11-26T14:45:44 < Laurenceb> i was thinking of a solution where cpu fires up once per frame
2012-11-26T14:45:55 < Laurenceb> and theres a dma buffer for the entire frame
2012-11-26T14:46:24 < dongs> um
2012-11-26T14:46:26 < dongs> thats not gonna happen
2012-11-26T14:46:44 < ntfreak> dongs: been told that the F42x7 does not have sdram, the F42x9 will plus TFT. Am going to double check as my usual contact is away.
2012-11-26T14:46:57 < dongs> neat
2012-11-26T14:47:13 < dongs> TFT = like RGB display or something?
2012-11-26T14:47:25 < ntfreak> yes RGB
2012-11-26T14:48:02 < dongs> The SCSI command set is designed to provide efficient peer-to-peer operation of SCSI
2012-11-26T14:48:05 < dongs> devices like, for example, hard desks, tapes and mass storage devices.
2012-11-26T14:48:21 < dongs> i dont have any SCSI desks <_<
2012-11-26T14:51:18 <+dekar_> wow F42x9 sounds awesome
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2012-11-26T15:06:03 < Laurenceb> nice
2012-11-26T15:06:14 < Laurenceb> F4 with 2MBflash and 256KB ram
2012-11-26T15:06:22 < zyp> F42x9, not F429?
2012-11-26T15:06:47 < dongs> that.
2012-11-26T15:07:32 < Laurenceb> ok i think its feasible
2012-11-26T15:07:44 < Laurenceb> overlay using STM32L151 and nothing else
2012-11-26T15:07:46 < dongs> wats feasiable
2012-11-26T15:07:54 < Laurenceb> it needs 4 timers
2012-11-26T15:08:13 < dongs> really?
2012-11-26T15:08:19 < Laurenceb> yes
2012-11-26T15:08:29 < dongs> overlay? or generation
2012-11-26T15:08:33 < dongs> generation is ok-ish in hardware i guess
2012-11-26T15:08:35 < Laurenceb> use the onboard comparator and timers in master/slave modes
2012-11-26T15:08:50 < Laurenceb> just overlay onto a pal signal
2012-11-26T15:08:57 < Laurenceb> didnt look at ntsc
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2012-11-26T15:09:34 < Laurenceb> first timer gives delay to first pixel using triggered one shot mode off comparator
2012-11-26T15:10:00 < Laurenceb> second gives pixel clock/8, in gated slave mode of first, and triggers dma to spi
2012-11-26T15:10:21 < Laurenceb> third is in reset mode slaved off second
2012-11-26T15:10:41 < dongs> btw
2012-11-26T15:10:46 < dongs> as i found out
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2012-11-26T15:10:52 < dongs> spi not enough granularity for prescalers
2012-11-26T15:10:57 < Laurenceb> fourth is in triggered mode off an oc on timer 3
2012-11-26T15:11:03 < Laurenceb> hmm
2012-11-26T15:11:17 < Laurenceb> might take a pin to pin loopback then
2012-11-26T15:11:29 < Laurenceb> fourth triggers an isr
2012-11-26T15:11:45 < Laurenceb> isr reads comparator to detect odd/even
2012-11-26T15:11:54 < dongs> so i run spi in slave mode
2012-11-26T15:11:54 < dongs> and CLK it off another timer
2012-11-26T15:11:54 < dongs> then hav at least some choice for pixel size
2012-11-26T15:11:55 < Laurenceb> and there would need to be some frame sync code there
2012-11-26T15:12:08 < Laurenceb> then you can redraw once per frame once its synced
2012-11-26T15:12:22 < Laurenceb> writing direct to dma buffer if youre fast enough
2012-11-26T15:12:36 < Laurenceb> yeah
2012-11-26T15:12:43 < Laurenceb> so in my example , clk off timer2
2012-11-26T15:13:45 < Laurenceb> http://martin.hinner.info/vga/pal.gif
2012-11-26T15:13:55 < dongs> in my shit, i write buffer whlie vsync or whatever
2012-11-26T15:14:07 < Laurenceb> the final 1 shot triggers an isr just at the end of n
2012-11-26T15:14:07 < dongs> or rather vblank
2012-11-26T15:14:39 < Laurenceb> longer sync pulses starting at beginning of m cause timer3 output compare to fire
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2012-11-26T15:15:49 < dongs> fucking feenode dying
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2012-11-26T15:20:24 < Laurenceb> actually, simpler to use another comparator to enable timer3
2012-11-26T15:20:28 < Laurenceb> or.. something
2012-11-26T15:20:30 < Laurenceb> arggg
2012-11-26T15:20:37 < Laurenceb> how do you time a comparator pulse
2012-11-26T15:21:27 < Laurenceb> maybe inverting the singal and using it as a master reset singal would work
2012-11-26T15:22:52 < dongs> just reset cpu on e ach vido frame
2012-11-26T15:23:40 < Laurenceb> lol
2012-11-26T15:23:53 < dongs> what are you trolling wiht overlay anyway
2012-11-26T15:26:40 < Laurenceb> im just thinking...
2012-11-26T15:26:53 < Laurenceb>  cuz in a lunatic
2012-11-26T15:26:56 < Laurenceb> *im
2012-11-26T15:29:02 < Laurenceb> doh i fail
2012-11-26T15:29:08 < Laurenceb> my first idea works
2012-11-26T15:29:18 < Laurenceb> http://martin.hinner.info/vga/pal.gif  <- frame 313
2012-11-26T15:29:52 < Laurenceb> if timer 1 is in triggered 1 shot, it wont get a trigger rising edge in time to start
2012-11-26T15:30:05 < Laurenceb> as rising edge is within frame 313
2012-11-26T15:30:40 < Laurenceb> so timer1 sits around doing nothing, timer 2 sits around doing nothing, and timer 3 doesnt get rest and carries on counting
2012-11-26T15:30:51 < Laurenceb> so it can generate a signal to give sync
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2012-11-26T15:32:13 < Laurenceb> simple, video overlay with 3/4 timers and comparitor, depending on how many interrupts you want
2012-11-26T15:32:36 < Laurenceb> also, tom66 failz
2012-11-26T15:33:35 < Laurenceb> his failboard can be replaced by a single ic
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2012-11-26T15:39:49 < Laurenceb> http://www.indiegogo.com/Super-OSD-Lite?c=home  lol
2012-11-26T15:51:28 < dongs> rofl
2012-11-26T15:51:36 < dongs> Laurenceb: thats old
2012-11-26T15:51:52 < dongs> did you hear his confession of defeat
2012-11-26T15:52:02 < Laurenceb> yup
2012-11-26T15:52:16 < dongs> http://www.rcgroups.com/forums/showpost.php?p=23359489&postcount=1920
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2012-11-26T16:01:29 < Laurenceb> will WFI be woken by systick?
2012-11-26T16:01:44 < Laurenceb> im confused about whats clocked down
2012-11-26T16:01:52 < Laurenceb> and systick is part of the core..
2012-11-26T16:04:53 <+Steffanx> Probably not
2012-11-26T16:05:05 <+Steffanx> In the datasheets is a list with modes and what can stop that mode
2012-11-26T16:05:20 <+Steffanx> *wake it up from that mode
2012-11-26T16:08:36 < gxti> i guess chibios is not using systick then, since it does wfi by default. have yet to look at the guts of the scheduler.
2012-11-26T16:09:25 < gxti> oh hrm, "Sleep mode (CPU clock off, all peripherals including Cortex-M3 core peripherals like NVIC, SysTick, etc. are kept running)"
2012-11-26T16:09:41 <+Steffanx> Oh, of course .. dependso n the mode
2012-11-26T16:11:38 <+Steffanx> So which mode you use Laurenceb ?
2012-11-26T16:13:01 < jpa-> i think systick interrupt can wake wfi, and AFAIK chibios does use systick
2012-11-26T16:13:36 < jpa-> but yeah, wfi is just a way to enter the sleep mode; if the sleep mode is configured so that systick stops, it won't wake by it :)
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2012-11-26T16:13:58 < gxti> is that even possible?
2012-11-26T16:14:08 < jpa-> sure
2012-11-26T16:14:21 < jpa-> the deepest standby modes stop the whole core and most of the peripherals
2012-11-26T16:15:02 < gxti> i'm assuming we're just talking about sleep mode here since he just said "WFI"
2012-11-26T16:15:36 < gxti> bbl
2012-11-26T16:15:39 <+Steffanx> Hmm, i see even in stopmode the systick seems to work
2012-11-26T16:15:49 < jpa-> well it all depends on what he sets before doing 'wfi'
2012-11-26T16:18:06 < Laurenceb> ah yeah
2012-11-26T16:18:12 < Laurenceb> systick will work
2012-11-26T16:18:19 < Laurenceb> just reading chibios source
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2012-11-26T16:20:37 <+Steffanx> "The SysTick timer clock is not stopped during the Stop mode debug (DBG_STOP bit set). The counter keeps on being decremented and can generate interrupts if they are enabled" i guess that means it is stopped when that bit is not set :)
2012-11-26T16:22:36 < karlp> systick totally wakes up wfi.
2012-11-26T16:23:48 < zyp> of course it does
2012-11-26T16:24:16 < zyp> as long as systick timer is not stopped :p
2012-11-26T16:24:53 < zyp> with SLEEPDEEP set, wfi will trigger deep sleep, which stops systick and everything, IIRC
2012-11-26T16:26:57 <+Steffanx> At least we are all very sure. "i think" "i guess" "IIRC" :D
2012-11-26T16:27:56 < zyp> there are some different deep sleep modes, and I'm not sure they all will stop systick :p
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2012-11-26T16:40:09 < Laurenceb> how do i recursively diff only *.c files?
2012-11-26T16:41:06 < zyp> git diff or plain diff?
2012-11-26T16:41:14 < Laurenceb> plain diff
2012-11-26T16:47:36 < jpa-> find dir1 -name '*.c' > list1; find dir2 -name '*.c' > list2; diff --from-file=list1 --to-file=list2
2012-11-26T16:49:21 < karlp> the ninterweb suggests using "find ! -name '*.c'"  and feeding that to diff's -X option...
2012-11-26T16:50:20 < jpa-> pipes? not in my shell!
2012-11-26T16:51:56 < emeb_mac> put this in your pipe and grep it
2012-11-26T16:53:14 < dongs> stoner talk??
2012-11-26T16:56:48 < emeb_mac> booooonnnnngs
2012-11-26T16:57:27 < karlp> put this in your pipe and silver surf it?
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2012-11-26T17:46:43 < Laurenceb> rageee
2012-11-26T17:46:52 < Laurenceb> power saving code broken i2c
2012-11-26T17:46:56 < Laurenceb> *broke
2012-11-26T17:46:57 <+Steffanx> Aw
2012-11-26T17:49:01 < Laurenceb> maybe if i turn off i2c clk whilst its remapped
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2012-11-26T18:06:27 < Laurenceb> what the fuuuu
2012-11-26T18:06:32 < Laurenceb> i2c is so broken
2012-11-26T18:06:43 < Laurenceb> it needs a delay after stop clears before setting start bit
2012-11-26T18:06:47 < Laurenceb> or it can lock up
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2012-11-26T18:10:14 < Laurenceb> this is utter fail
2012-11-26T18:10:22 < Laurenceb> i cant make it work at all now
2012-11-26T18:11:34 < zyp> sounds normal
2012-11-26T18:11:48 < gxti> you sure it's not the other device?
2012-11-26T18:13:05 < Laurenceb> p/x I2C1->CR1
2012-11-26T18:13:05 < Laurenceb> $17 = 0x101
2012-11-26T18:13:16 < Laurenceb> gxti: it worked with old firmware
2012-11-26T18:13:20 < Laurenceb> start is jammed
2012-11-26T18:13:55 < Laurenceb> http://pastebin.com/Qiyq0sXf
2012-11-26T18:14:00 < Laurenceb> how can that not work
2012-11-26T18:15:09 < Laurenceb> first start after that is never sent
2012-11-26T18:15:25 < zyp> wtf
2012-11-26T18:15:36 < zyp> that looks dumb
2012-11-26T18:15:45 < zyp> anyway, how does Remap() look?
2012-11-26T18:16:40 < Laurenceb> gpio remap command
2012-11-26T18:17:00 < Laurenceb> wtf
2012-11-26T18:17:04 < zyp> well, duh
2012-11-26T18:17:06 < Laurenceb> it fails without remap
2012-11-26T18:17:57 < gxti> you hurt its feelings
2012-11-26T18:18:38 < Laurenceb> this makes no sense
2012-11-26T18:18:51 < Laurenceb> delays cause it to work/fail at random
2012-11-26T18:20:17 < Laurenceb> Delay(100); works
2012-11-26T18:20:22 < Laurenceb> Delay(200); fails
2012-11-26T18:20:36 < Laurenceb> with jammed stop bit
2012-11-26T18:22:21 < Laurenceb> also i wait for stop to clear before setting start
2012-11-26T18:22:40 < Laurenceb> yet i can fix jammed start in some cases by delaying after the stop clears
2012-11-26T18:22:42 < Laurenceb> wtf
2012-11-26T18:30:25 < Laurenceb> p/x ADC2->DR
2012-11-26T18:30:25 < Laurenceb> $25 = 0xadc
2012-11-26T18:30:27 < Laurenceb> lolling
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2012-11-26T18:43:24 < zyp> Laurenceb, cute
2012-11-26T18:45:30 < Laurenceb> nice
2012-11-26T18:45:35 < Laurenceb> now my old code is failing
2012-11-26T18:45:39 < Laurenceb> .. most of the time
2012-11-26T18:46:38 < Laurenceb> this is probably impossible
2012-11-26T18:47:13 < zyp> everything is impossible when you do it wrong
2012-11-26T18:47:27 < emeb> code is failing wrong?
2012-11-26T18:48:13 < Laurenceb> i have to use gpio remap to connect two i2c busses
2012-11-26T18:50:47 < Laurenceb> i cant see how it can fail
2012-11-26T18:50:53 < Laurenceb> but it does
2012-11-26T18:51:09 < Laurenceb> apparently theres onther weird stuff happening with the i2c
2012-11-26T18:51:16 < Laurenceb> so its impossible to debug
2012-11-26T18:51:45 < emeb> seems that ST's implementation of I2C is something of a clusterfsck.
2012-11-26T18:51:52 < Laurenceb> indeed
2012-11-26T18:52:59 < Laurenceb> ok a version of my old code with some more random delays seems to be working
2012-11-26T18:53:25 < emeb> lol - "code not working? MOAR DELAY!!!11!"
2012-11-26T18:54:59 < emeb> lol DK - "Ship Date Estimate 11/26/2012"
2012-11-26T18:55:04 < Laurenceb> just sticking delays ion at random
2012-11-26T19:06:40 <+Steffanx> Laurenceb .. 11/16 isn't random enough
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2012-11-26T19:07:42 <+Steffanx> Lost your underscore btw?
2012-11-26T19:09:12 < zyp> it fell off
2012-11-26T19:10:29 <+Steffanx> Dongs tried to use it as a diving board?
2012-11-26T19:10:50 < emeb> doioioioinnnngggg....
2012-11-26T19:11:09 <+Steffanx> :D
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2012-11-26T19:28:13 <+Steffanx> Laurenceb, special link for you.. http://www.dumpert.nl/mediabase/6455202/b10152d5/de_duitse_snotzuiger.html
2012-11-26T19:28:20 <+Steffanx> Even when it's fake it's pretty .. awful
2012-11-26T19:29:16 <+Steffanx> I mean, disgusting
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2012-11-26T20:14:33 < Laurenceb> https://github.com/Laurenceb/STM32InertialMonitor/blame/master/Util/USB/usb_pwr.c#L113
2012-11-26T20:14:48 < Laurenceb> within about 100ms of it connecting to usb that gets called
2012-11-26T20:15:03 < Laurenceb> CHRG_OFF; turns off the battery charger
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2012-11-26T20:15:20 < Laurenceb> its meant to be turned on in void Resume_Init(void)
2012-11-26T20:15:25 < Laurenceb> but thats never called
2012-11-26T20:16:16 <+Steffanx> Click my link and it will solve ALL of your problems
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2012-11-26T20:23:05 < Laurenceb> hmm actually it might be gpio init screwups
2012-11-26T20:23:10 < Laurenceb> attn dongs:  http://www.bbc.co.uk/news/uk-england-manchester-20503660
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2012-11-26T20:23:34 < Laurenceb> oh wait not jewish
2012-11-26T20:23:40 < Laurenceb> i fail at reading
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2012-11-26T20:49:19 < zyp> hmm, maybe I should finish up the lpc4300 board now
2012-11-26T20:49:29 < zyp> I'm not in the mood to write code tonight
2012-11-26T20:49:32 < emeb> rah! rah! you can do eet!
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2012-11-26T20:50:39 < Laurenceb> arg
2012-11-26T20:50:51 < Laurenceb> this is an unmitigated failure
2012-11-26T20:50:54 < zyp> let's see, this is the state I left it in last I did something: http://bin.jvnv.net/f/qGHKG.png
2012-11-26T20:51:00 < Laurenceb> i cant even set a gpio now
2012-11-26T20:51:37 < Laurenceb> now stlink has failed
2012-11-26T20:51:45 < zyp> that's RMII, SDIO, I2S/I2C and 20 generic GPIOs, of which 7 or so are SGPIO capable
2012-11-26T20:52:19 < zyp> and I think the only components that are missing are decoupling caps
2012-11-26T20:52:31 < zyp> anything I'm forgetting then?
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2012-11-26T20:55:42 < Laurenceb> 0x080115a4 in _start ()
2012-11-26T20:55:44 < Laurenceb> whyyyyy
2012-11-26T20:57:09 < emeb> zyp: that should cover most generic applications.
2012-11-26T20:57:11 < Laurenceb> eveything is dead
2012-11-26T20:57:14 < Laurenceb> rageee
2012-11-26T20:57:41 < emeb> Laurenceb: what's your power supply look like?
2012-11-26T20:58:07 < zyp> emeb, how much should I worry about length matching on the SDRAM lines?
2012-11-26T20:58:23 < Laurenceb> emeb: smps
2012-11-26T20:58:26 < Laurenceb> looks ok atm
2012-11-26T20:58:28 < emeb> zyp: that's fairly low speed, right?
2012-11-26T20:59:04 < emeb> zyp: like < 130MHz, single clock edge only. Probably not too critical.
2012-11-26T20:59:36 < emeb> Laurenceb: what type of processor (does it have internal LDO as F4 does w/ Vcap?)
2012-11-26T20:59:41 < Laurenceb> F103
2012-11-26T20:59:49 < Laurenceb> ok ive managed to connect via jtag
2012-11-26T20:59:51 < Laurenceb> finally
2012-11-26T20:59:57 < Laurenceb> looks like gpio init is failing
2012-11-26T21:00:04 < Laurenceb> and killing the smps
2012-11-26T21:00:13 < Laurenceb> i have no idea why
2012-11-26T21:00:15 < emeb> aha!
2012-11-26T21:00:46 < zyp> emeb, longest line is currently 34.7mm, shortest is 12.2mm
2012-11-26T21:01:30 < emeb> so 22.5mm difference. Less than 1ns at usual board impedances.
2012-11-26T21:01:34 < Laurenceb> what are the gpio registers i need to look at?
2012-11-26T21:05:38 < Laurenceb> what the fuuuuuu
2012-11-26T21:05:47 < Laurenceb>  p/x GPIOB->CRL
2012-11-26T21:05:47 < Laurenceb> $7 = 0x44484600
2012-11-26T21:05:55 < emeb> Cthulu pwnd jooo
2012-11-26T21:05:59 < Laurenceb> so B.2 should be open drain
2012-11-26T21:06:46 < Laurenceb> ok so thats correct..
2012-11-26T21:06:53 < Laurenceb> something is setting B.2 low
2012-11-26T21:13:33 < emeb> zyp: *much* less than 1ns - more like 80ps. I don't foresee a problem.
2012-11-26T21:14:19 < Laurenceb> p/x GPIOB->ODR
2012-11-26T21:14:20 < Laurenceb> $18 = 0xc010
2012-11-26T21:14:44 < Laurenceb> just after  GPIO_WriteBit(GPIOB,GPIO_Pin_2,Bit_SET)
2012-11-26T21:14:47 < Laurenceb> wtf is going on
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2012-11-26T21:17:24 < Laurenceb> maybe i fried it
2012-11-26T21:18:18 < ds2> does this chip let you gate clocks to the GPIO block?
2012-11-26T21:19:48 < Laurenceb> yes
2012-11-26T21:19:51 < Laurenceb> its f103
2012-11-26T21:20:34 < ds2> not intimately familiar with the F103 yet
2012-11-26T21:20:49 < zyp> emeb, good to hear, then I'll blame you if it doesn't work :D
2012-11-26T21:20:53 < ds2> is the clock enabled for it? maybe it isn't transitioning due to a lack of clock... seen stuff like that on the cortex-A stuff
2012-11-26T21:22:17 < Laurenceb> ooh
2012-11-26T21:22:20 < emeb> zyp: does the LPC4300 SDRAM controller allow you to tweak the Clock edge timing?
2012-11-26T21:22:23 < Laurenceb> if i hold reset low jtag works
2012-11-26T21:22:40 < zyp> emeb, haven't read up on that
2012-11-26T21:23:39 < Laurenceb> so, here goes
2012-11-26T21:23:40 < Laurenceb> p/x GPIOB->ODR
2012-11-26T21:23:40 < Laurenceb> $1 = 0x8810
2012-11-26T21:24:20 < Laurenceb> p/x GPIOB->CRL
2012-11-26T21:24:20 < Laurenceb> $3 = 0x44484800
2012-11-26T21:24:42 < Laurenceb> so pin2 is alt function push pull
2012-11-26T21:25:48 < Laurenceb> p/x GPIOB->CRL
2012-11-26T21:25:48 < Laurenceb> $4 = 0x44484600
2012-11-26T21:25:53 < Laurenceb> i set it to something sane
2012-11-26T21:26:04 < Laurenceb> p/x GPIOB->ODR
2012-11-26T21:26:04 < Laurenceb> $5 = 0x8814
2012-11-26T21:26:11 < Laurenceb> i also set odr
2012-11-26T21:26:16 < Laurenceb> yet b.2 is still low
2012-11-26T21:28:32 < ds2> is something hard pulling it down?
2012-11-26T21:29:11 < Laurenceb> no
2012-11-26T21:29:17 < Laurenceb> it goes high for 100ms on reset
2012-11-26T21:30:51 < Laurenceb> or it used to...
2012-11-26T21:30:56 < Laurenceb> maybe it is hardware
2012-11-26T21:31:15 < Laurenceb> ill remove the charge controller and hook up to a scope
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2012-11-26T21:36:34 < Laurenceb> its nothing like that, it worked last time i checked
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2012-11-26T21:45:07 < Laurenceb> aha
2012-11-26T21:45:17 < Laurenceb> looks like the charge controller is oscillating
2012-11-26T21:45:28 < Laurenceb> and chucking +-5v noise out
2012-11-26T21:45:42 < ds2> whoa
2012-11-26T21:45:44 < emeb> power supplies.
2012-11-26T21:45:48 < ds2> that is quite some noise
2012-11-26T21:46:07 < Laurenceb> wondered why it was toasty hot
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2012-11-26T21:46:22 < Laurenceb> max1811, never use it
2012-11-26T21:46:29 < Laurenceb> impossibly to stabilise
2012-11-26T21:47:15 < ds2> that sounds familiar :(
2012-11-26T21:47:32 < ds2> the little bro 1555 isn't bad though
2012-11-26T21:47:57 < emeb> needs a "oscillation in progress" output.
2012-11-26T21:48:46 < ds2> what is the easy to use charger thesedays? the TI ones?
2012-11-26T21:50:19 < Laurenceb> yes
2012-11-26T21:50:24 < Laurenceb> bq24090 is nice
2012-11-26T21:51:14 < ds2> hmmm no power path controller
2012-11-26T21:51:58 < ds2> doesn't charge termination get screwed up if you also run the device at the same time?
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2012-11-26T21:55:49 < Laurenceb> probably
2012-11-26T21:55:59 < Laurenceb> i just want it to turn on at the moment
2012-11-26T21:56:06 < Laurenceb> id be happy for jtag to connect
2012-11-26T21:56:10 < ds2> oh
2012-11-26T21:56:30 < ds2> cut trace and power w/bench supply?
2012-11-26T21:57:10 < ds2> you do have a battery on there, right?
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2012-11-26T21:58:13 < Laurenceb> yes
2012-11-26T21:58:32 < ds2> it almost seems like the 1811 is in thermal limit so it is bouncing in and out
2012-11-26T21:58:53 < Laurenceb> i think its current limit oscillating or something
2012-11-26T21:59:03 < Laurenceb> thermal would be slower
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2012-11-26T23:11:19 < zyp> http://bin.jvnv.net/f/EHuUj.png
2012-11-26T23:12:47 < gurgalof> zyp, 4 layers?
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2012-11-26T23:12:53 < zyp> yes
2012-11-26T23:13:43 < zyp> http://bin.jvnv.net/f/b66yt.png <- inner layers
2012-11-26T23:14:38 < gurgalof> looks quite nice
2012-11-26T23:18:56 < emeb> getting there
2012-11-26T23:19:22 < zyp> looks like I'll end up with 60x70mm
2012-11-26T23:21:32 < zyp> 6mil traces looks horribly thin connected to the 100mil pitch header pads :p
2012-11-26T23:21:59 < emeb> heh - I've noticed that too on the boards that I've been doing lately. Haven't seen any problems though.
2012-11-26T23:22:31 < emeb> does eagle let you do teardrop-style fillets on vias and pads?
2012-11-26T23:22:52 < zyp> I haven't seen a feature like that, so I assume not
2012-11-26T23:23:23 < emeb> I think there's some sort of plug-in or post-processor on geda/pcb that will do those.
2012-11-26T23:23:35 < emeb> never used it though.
2012-11-26T23:23:47 < zyp> ah, there is an ULP for that
2012-11-26T23:24:29 < emeb> your vias look extremely small. what's the hole/ring diameter on those?
2012-11-26T23:24:37 < zyp> 10/20 mil
2012-11-26T23:24:54 < zyp> dongs' «standard spec»
2012-11-26T23:25:01 < emeb> *nod*
2012-11-26T23:26:05 < zyp> hmm, the teardrop ulp weren't that bad
2012-11-26T23:26:25 < zyp> ignored the non-round pads in the upper left corner though
2012-11-26T23:26:45 < emeb> strange
2012-11-26T23:34:12 < zyp> oh well, pinswap time
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2012-11-26T23:46:21 < zyp> http://bin.jvnv.net/f/G5Pt4.png <- and then all pretty
2012-11-26T23:52:09 < gxti> that is way too pretty
2012-11-26T23:52:18 < gxti> i tried to route a AM1707 and it was not pretty
2012-11-26T23:52:49 < gxti> zyp: what's the BGA chip?
2012-11-26T23:52:55 < zyp> lpc4300
2012-11-26T23:53:34 < emeb> looks like it fits. not much left to do.
2012-11-26T23:54:07 < zyp> nah, just some gnd/vcc
2012-11-26T23:54:10 < zyp> a few more caps
2012-11-26T23:54:36 < zyp> need some at the reg and some in the lower right corner
2012-11-26T23:54:40 < emeb> that stuff in the upper right is just LEDs for power & status?
2012-11-26T23:54:57 < zyp> that's the idea
2012-11-26T23:55:08 < zyp> I left some space there to label them
2012-11-26T23:55:44 < zyp> and then I'm going to label the gpio header
2012-11-26T23:56:59 < emeb> looks like you could scrunch the vertical down a fair bit if you wanted to.
2012-11-26T23:57:29 < emeb> a lot of dead real-estate around those connectors.
2012-11-26T23:57:56 < zyp> well, as I said I want to label the gpio header :p
2012-11-26T23:58:32 < emeb> that's handy
2012-11-26T23:59:47 < zyp> I'm wondering a bit how I should label them
2012-11-26T23:59:59 < emeb> ?
--- Day changed Tue Nov 27 2012
2012-11-27T00:00:12 < zyp> gpio is regarded a function, following a seperate pattern from pin name
2012-11-27T00:00:46 < zyp> P2_9 is for instance GPIO1[10] and P2_10 is GPIO0[14]
2012-11-27T00:01:18 < emeb> and p2_9/p2_10 are unrelated to the BGA ball label.
2012-11-27T00:01:30 < zyp> yes
2012-11-27T00:01:43 < zyp> (it happens to be H16 and G16 respectively)
2012-11-27T00:01:53 < emeb> just some arbitrary pin names that relate to the muxing structure
2012-11-27T00:02:12 < zyp> exactly
2012-11-27T00:02:35 < emeb> Probably more meaningful to put the PX_Y names on then - presumably there's a xref in the docs somewhere.
2012-11-27T00:02:40 < zyp> it breaks my Pin abstraction a bit
2012-11-27T00:03:12 < emeb> well, the laks pin abstraction is pretty much architecture-dependent.
2012-11-27T00:03:16 < zyp> since pin function is configured seperately from gpio
2012-11-27T00:03:26 < emeb> doesn't carry well from STM32 to LPC43
2012-11-27T00:03:39 < zyp> but I want it to :p
2012-11-27T00:04:01 < emeb> no doubt. you prolly need more abstraction. :P
2012-11-27T00:04:12 < emeb> another layer. yay.
2012-11-27T00:04:47 < zyp> well, I probably need to have two interfaces
2012-11-27T00:04:58 < emeb> yup
2012-11-27T00:05:05 < zyp> one interface for pin configuration and one interface for gpio
2012-11-27T00:05:38 < emeb> since not all ARM families will tie them together the way STM32 does.
2012-11-27T00:05:47 < zyp> in a way that one object can conform to both on stm32
2012-11-27T00:06:01 < zyp> well, stellaris also does
2012-11-27T00:07:27 < zyp> I could also manually map all pin names to their respective gpio, so that using P2_9 will give me the corresponding gpio
2012-11-27T00:11:56 < emeb> that would work
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2012-11-27T00:22:39 < ds2> anyone actually tried hand mounting a chipscale sized bga?
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2012-11-27T00:32:48 < zyp> flip-chip?
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2012-11-27T01:19:27 <+Steffann> Laurenceb_ got his diving board back
2012-11-27T01:19:37 <+Steffann> -dive
2012-11-27T01:20:20 < emeb> ...ggggnnnnioioiod
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2012-11-27T01:36:57  * emeb reads up on the Mode S parity generation spec.
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2012-11-27T01:56:13 < dongs> sup dongs
2012-11-27T02:00:30 < dongs> http://www.wired.com/threatlevel/2012/11/att-hacker-found-guilty/ awesome news
2012-11-27T02:03:43 < emeb> yeah - all those "hackers" should be locked up. menace 2 society.
2012-11-27T02:03:51  * emeb forgot the irony tag again
2012-11-27T02:04:03 < Laurenceb_> heh
2012-11-27T02:04:11 < gxti> i don't see any irony, perhaps you meant sarcasm?
2012-11-27T02:04:28 < emeb> sarcasm is a subset of irony
2012-11-27T02:07:30 < emeb> those IRC logs don't do them any favors tho
2012-11-27T02:07:48 < gxti> i'm not feeling much sympathy
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2012-11-27T05:01:29 < emeb> Trying out the SDADC on the F373
2012-11-27T05:01:55 < emeb> seems to be working. Next step is to do some statistics on it.
2012-11-27T05:06:42 < dongs> nice
2012-11-27T05:06:47 < dongs> hdmi>dp total success
2012-11-27T05:06:49 < dongs> HDCP too
2012-11-27T05:07:08 < dongs> http://i.imgur.com/A3Kdl.jpg , hdmi audio works as well (headphones output)
2012-11-27T05:07:26 < dongs> 1080pee gets properly scaled with blackbars
2012-11-27T05:08:17 < emeb> purty!
2012-11-27T05:08:41 < emeb> so how much with that conversion chipset cost?
2012-11-27T05:08:57 < dongs> http://i.imgur.com/hkMP5.jpg current setup
2012-11-27T05:09:00 < dongs> they're not too expensive
2012-11-27T05:09:08 < dongs> but i need to put that shit together on one board w/backlight and shit
2012-11-27T05:10:10 < emeb> should be a lot smaller without all the extra interface crap
2012-11-27T05:11:16 < emeb> that's a really sharp display
2012-11-27T05:11:16 < dongs> wondring if i should bother sticking a i2s codec w/headphones on it
2012-11-27T05:11:18 < dongs> for hdmi audio
2012-11-27T05:11:28 < dongs> i mean for final board.
2012-11-27T05:11:31 < emeb> yeah
2012-11-27T05:11:35 < dongs> seems like a nice extra i guess.
2012-11-27T05:11:38 < emeb> why not? It's almost free.
2012-11-27T05:11:56 < emeb> You don't need a full codec - just a DAC - those are dirt-cheap and tiny.
2012-11-27T05:12:01 < dongs> yea
2012-11-27T05:12:04 < dongs> like the shit on that board
2012-11-27T05:12:07 < dongs> CS4344
2012-11-27T05:12:12 < emeb> that's what I use
2012-11-27T05:12:18 < dongs> which is like $1 from china
2012-11-27T05:12:19 < emeb> 10-pin msop
2012-11-27T05:12:29 < emeb> even from DK they're pretty cheap
2012-11-27T05:12:43 < dongs> does that have an amp?
2012-11-27T05:12:53 < emeb> I think it's just line out.
2012-11-27T05:12:54 < dongs> or what does it do for headphoens
2012-11-27T05:12:59 < dongs> rly?
2012-11-27T05:13:02 < dongs> sounded ok in my headphoens.
2012-11-27T05:13:16 < emeb> for low-impedance headphones it's likely to be fairly quiet
2012-11-27T05:13:49 < emeb> and unless you have large output DC blocking caps it'll probably lose low end.
2012-11-27T05:13:56 < emeb> but cheap headphones do that anyway.
2012-11-27T05:14:38 < emeb> but you can probably find I2S DACs with full-on headphone drivers for not much more.
2012-11-27T05:15:56 < gxti> so what would be a good read-only filesystem for a SPI flash? (written only as a full image)
2012-11-27T05:16:02 < dongs> so ive been discussing with the guy who did lcd monitor here
2012-11-27T05:16:11 < dongs> he says I should just use the 8channel driver we have in stofk
2012-11-27T05:16:18 < dongs> parallel 2 cathodes and do 6channels
2012-11-27T05:16:33 < emeb> for the backlight supply...
2012-11-27T05:16:36 < dongs> ya
2012-11-27T05:16:43 < dongs> the math still doesnt make sense
2012-11-27T05:16:49 < dongs> datasheet says 6S2P
2012-11-27T05:16:54 < dongs> but, then says 42*2 leds
2012-11-27T05:16:55 < emeb> only risk is that the strings might have different drops and the currents might not be well matched.
2012-11-27T05:17:15 < dongs> 42*2 = 84 / 6 = 14
2012-11-27T05:17:19 < dongs> so how does that turn into 12 cathodes?
2012-11-27T05:17:56 < dongs> emeb: cant be worse than my current way of tying every fucking thing into +/-
2012-11-27T05:18:09 < emeb> dongs: true dat
2012-11-27T05:18:38 < dongs> the 8ch driver is known, has a mp-proven circuit etc.
2012-11-27T05:18:55 < dongs> 12ch shit we'd need to buy a 3k reel of, and matching 3k reel of external nfets
2012-11-27T05:19:08 < emeb> that gets old fast
2012-11-27T05:20:01 < emeb> wouldn't be too hard to lash up a prototype with the driver you've got
2012-11-27T05:20:04 < emeb> see how it works.
2012-11-27T05:20:29 < dongs> yeah,
2012-11-27T05:20:38 < dongs> copypaste from lcdtv :)
2012-11-27T05:21:10 < dongs> 'it is recommended to add damping resistors close t omain chip (tramsmitter) for reducing signal ringing
2012-11-27T05:21:11 < emeb> exactly. 1/2 hours work or less - throw it on the next panel going out the door.
2012-11-27T05:21:15 < dongs> i wonder if I can get away with that for < 2cm runs
2012-11-27T05:21:33 < dongs> taht'd get rid of that shitpile of resistors
2012-11-27T05:21:37 < dongs> on t he evb
2012-11-27T05:21:44 < emeb> on those converters
2012-11-27T05:22:17 < dongs> also i found  suitable 2:1 mux yesterday
2012-11-27T05:22:19 < dongs> seems  cheap
2012-11-27T05:22:22 < dongs> tehy're common between dp/pcie etc.
2012-11-27T05:22:31 < dongs> ts3dv621
2012-11-27T05:22:39 < dongs> onsemi and nxp and a couple others are making pin compatible shits
2012-11-27T05:22:43 < emeb> if the source & load are close together then the impedance mismatch of the line becomes less critical
2012-11-27T05:22:56 < dongs> well, this is for RGB data
2012-11-27T05:22:59 < emeb> so yeah - you could get rid of the resistors if the runs are short.
2012-11-27T05:23:00 < dongs> not for diff lanes.
2012-11-27T05:23:12 < dongs> i tihnk its parallel or someshit
2012-11-27T05:23:18 < dongs> but seeing how these 2 evbs are conected together via a huge header
2012-11-27T05:23:22 < dongs> and surely not length matched in any way etc
2012-11-27T05:23:24 < dongs> i dont think it matters
2012-11-27T05:23:32 < emeb> yeah but each trace is a little transmission line with a certain impedance
2012-11-27T05:23:57 < emeb> and impedance mismatch between line, source and load = ringing, but mainly if the line is long.
2012-11-27T05:24:12 < dongs> ah
2012-11-27T05:24:16 < emeb> 2cm is about 80ps
2012-11-27T05:24:29 < emeb> doubt the edges are that fast.
2012-11-27T05:25:50 < dongs> ohh, hmmthe evalboard is 6605E , the datashet I got is 6604E
2012-11-27T05:26:02 < emeb> for those EVBs they had to plan for people hooking them to any old connectors & cables, so they need source termination to keep things working
2012-11-27T05:26:32 < dongs> oh
2012-11-27T05:26:35 < dongs> dual port
2012-11-27T05:26:42 < dongs> yeah so i wont need it but i guess they didnt have a singleport evalboard
2012-11-27T05:26:57 < dongs> spec is same o therwise
2012-11-27T05:27:25 < emeb> same pkg w/ n/c pins on the single, or different pinout?
2012-11-27T05:34:08 < dongs> 128 vs 144qfp
2012-11-27T05:41:57 < emeb> not much point in trying to take stats on this SDADC unless I've got rock-solid Vref and test voltages.
2012-11-27T05:42:03 < emeb> otherwise it's just GIGO.
2012-11-27T05:45:31 < gxti> oh goody, my network interface doesn't seem to work anymore and i changed absolutely nothing
2012-11-27T05:55:10 < gxti> TX_EN never goes high so at least it's not the transceiver's fault
2012-11-27T05:57:14 < emeb> this on the F105 power board you were doing the other night?
2012-11-27T05:57:33 < gxti> f107, yeah
2012-11-27T06:05:27 < emeb> heisenbugs. bleh
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2012-11-27T06:06:24 < gxti> yep, now it's working again
2012-11-27T06:07:02 -!- karlp [~karl@palmtree.beeroclock.net] has joined ##stm32
2012-11-27T06:07:12 < emeb> what changed?
2012-11-27T06:07:20 < emeb> time
2012-11-27T06:07:26 < gxti> entropy
2012-11-27T06:07:44 < Bird|lappy> emeb: yeah.  heisenbugs are painful.
2012-11-27T06:07:54 < emeb> a few seconds closer to the heat-death of the universe.
2012-11-27T06:08:06 < dongs> http://www.nypost.com/p/news/national/family_swept_eventually_water_got_pST3qjIqMUaHAEXfZKVGWK lo
2012-11-27T06:08:08 < gxti> maybe it's code-related after all
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2012-11-27T06:18:20 < gxti> yeah, looks like i'm running low on RAM
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2012-11-27T06:51:22 < dongs> http://i.imgur.com/vSJTQ.jpg
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2012-11-27T06:56:15 < ds2> what state/city is that?
2012-11-27T07:00:32 < dongs> no idea i dont own iTrash
2012-11-27T07:00:44 < dongs> its probably the custom-edited apple maps
2012-11-27T07:07:25 < ds2> oh
2012-11-27T07:07:39 < ds2> could be one of those easter eggs to see if anyone is copying their maps
2012-11-27T07:08:06 < gxti> probably that's what it's actually called, it's just an alley
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2012-11-27T07:43:27 < GargantuaSauce> are you in a relationship with a driveway
2012-11-27T07:45:06 < GargantuaSauce> i somehow assumed you were linking to a snowblower
2012-11-27T07:45:10 < GargantuaSauce> it made more sense then.
2012-11-27T07:45:45 -!- emeb [~ericb@ip72-201-79-123.ph.ph.cox.net] has quit [Quit: Leaving.]
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2012-11-27T07:54:18 < dongs> I linked my afroled shit to a pro/EE pal few weeks ago, he links me this today http://i.imgur.com/hZJHg.jpg
2012-11-27T07:59:23 < emeb_mac> wtf?
2012-11-27T07:59:39 < emeb_mac> "hotpixel"
2012-11-27T08:00:09 < dongs> haha
2012-11-27T08:00:10 < emeb_mac> tell him to get back to you when it actually works. :P
2012-11-27T08:00:32 < emeb_mac> and that usb b connector? bitch please.
2012-11-27T08:00:43 < dongs> thats actually kinda cool
2012-11-27T08:03:25 < emeb_mac> wonder what he's driving it with.
2012-11-27T08:03:32 < dongs> m0+
2012-11-27T08:04:32 < emeb_mac> same low-side PWM?
2012-11-27T08:04:40 < dongs> no, unsure of details
2012-11-27T08:07:23 < dongs> pix next week when it works (or not)
2012-11-27T08:07:31 < emeb_mac> :)
2012-11-27T08:09:50 < emeb_mac> interesting thieving pattern there. wonder what layout tool he uses
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2012-11-27T09:17:58 < Devilholk> Morning
2012-11-27T09:26:19 < emeb_mac> whoa - morning already
2012-11-27T09:26:28 < emeb_mac> time to go to bed
2012-11-27T09:33:29 < dongs> hehe
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2012-11-27T09:38:16 < Devilholk> I am having trouble with the startup code. I am not sure how to make the summon toolchain use it
2012-11-27T09:38:42 < Devilholk> I tried adding it into eclipse as "other objects" with same result as renaming it to a file name with capital .S at the end.
2012-11-27T09:38:59 < Devilholk> The result is like one error message per line of that file, saying "junk" and "bad instruction"
2012-11-27T09:39:35 < Devilholk> Any suggestions what I could do to find out why I have messed up like this?
2012-11-27T09:42:05 < dongs> teh compiler knows your code is junk :p
2012-11-27T09:42:37 < Devilholk> =P
2012-11-27T09:43:30 < Devilholk> It does not like asterixes, that is for sure..
2012-11-27T09:43:56 < Devilholk> It tried to parse the comments
2012-11-27T09:44:01 < Devilholk> I must think it is some ohter format
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2012-11-27T09:50:12 < Devilholk> This can't be good
2012-11-27T09:50:32 < Devilholk> Searching for how to resolve my problem and end up on "The Complete Edition of Murphy's Laws"
2012-11-27T10:07:48 -!- rob_w [~bob@unaffiliated/rob-w/x-1112029] has joined ##stm32
2012-11-27T10:14:06 < Devilholk> Had the wrong startup file..
2012-11-27T10:15:56 < Devilholk> Still no go though
2012-11-27T10:20:01 < Devilholk> I get 16 kb images for toggling an IO..
2012-11-27T10:22:27 < Devilholk> And it doesnt even work ^^
2012-11-27T10:22:38 < Devilholk> I think I have to give up for tonight and try again later
2012-11-27T10:30:19 < zyp> 16 kB for a blinky led?
2012-11-27T10:33:56 < Devilholk> Yeah.. Well, I give up for tonight
2012-11-27T10:34:06 < Devilholk> Think I will try again from the start tomorrow ^^
2012-11-27T10:34:17 -!- jon1012 [~jon@foresight/developer/jon1012] has joined ##stm32
2012-11-27T10:34:18 < jpa-> Devilholk: i assume you know to use size -t instead of looking just at foo.elf file size?
2012-11-27T10:34:19 < Devilholk> Time to pack up stuff and go home to sleep
2012-11-27T10:34:32 < Devilholk> jpa-: It runs some size-tool
2012-11-27T10:34:35 < jpa-> ok
2012-11-27T10:34:41 < Devilholk> But I am still noobynoobnoob on this
2012-11-27T10:34:55 < Devilholk> So I need to make a few dosens more mistakes before I get it working
2012-11-27T10:35:12 < Devilholk> Well, I am off
2012-11-27T10:35:13 < Devilholk> Laters
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2012-11-27T10:58:12 < dongs> sorry, i dont watch anniemay
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2012-11-27T11:07:02 < dongs> ty> so i'm looking at a spreadsheet and one of the columns is called "WAS Aids"
2012-11-27T11:07:24 < zyp> ok
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2012-11-27T11:32:24 < dongs> status.
2012-11-27T11:32:36 < dongs> looks like ill be forced to use some shitty 8051 mcu for monitor control.
2012-11-27T11:32:54 < dongs> but it has 3 I2C buses, pwm, CEC, front panel switches stuff, etc.
2012-11-27T11:33:00 < dongs> so its kinda suitable.
2012-11-27T11:34:22 < zyp> heh
2012-11-27T11:34:58 < zyp> what's those hdmi-dp-boards you were blogging about while I was asleep?
2012-11-27T11:35:42 < dongs> just some evalboards from ITE. seems to work for what I want to do.
2012-11-27T11:36:22 < scrts> btw, what's the blog link?
2012-11-27T11:37:51 < dongs> http://i.imgur.com/UgExe.jpg my camera got borrowed today...
2012-11-27T11:39:29 < dongs> scrts: blog link = scroll up
2012-11-27T11:39:44 < scrts> just connected to BNC :/
2012-11-27T11:39:49 < dongs> funtimes.
2012-11-27T11:41:26 < zyp> dongs, so that's IT6604 and IT6505, or something like that?
2012-11-27T11:52:05 < dongs> yes
2012-11-27T11:53:04 < karlp> gxti: squashfs is teh shit for read only
2012-11-27T11:53:04 < dongs> eval board is 6605 dual hdmi but I will use 6604
2012-11-27T11:53:18 < zyp> ah
2012-11-27T11:54:38 < zyp> dongs, did you try this setup only with a native HDMI output or also with a DVI to HDMI adapter?
2012-11-27T11:55:26 < karlp> wth, ST is "expiring" my account again. looks like I must be a weekly visitor
2012-11-27T11:55:28 < karlp> weirdos
2012-11-27T11:55:53 < dongs> zyp, not tried but I do have a DVI>HDMI cable somewhere. i don't see why it wouldn't work though, hdmi==dvi, no?
2012-11-27T11:56:39 < dongs> whats hte dual/single link trash
2012-11-27T11:56:45 < dongs> can single link do 2048x ?
2012-11-27T11:56:56 < zyp> both are TMDS, but I believe DVI doesn't support the faster clock speed that HDMI 1.4 has
2012-11-27T11:57:27 < zyp> so I suspect single link DVI can't support that resolution
2012-11-27T11:57:28 < dongs> but DVI  can always  do like 2560x1600 over digital
2012-11-27T11:58:02 < zyp> dual link DVI can, because dual link means twice the bandwidth
2012-11-27T11:58:45 < zyp> I believe single link DVI tops out aroundt 1920x1200 somewhere
2012-11-27T11:58:55 < dongs> i never actually looked at dvi / hdmi pinouts
2012-11-27T11:58:59 < dongs> i see 4 lanes on the evalboard
2012-11-27T11:59:03 < dongs> is each a "link"?
2012-11-27T11:59:09 < zyp> no
2012-11-27T11:59:10 < dongs> or its tdms bullshit so its more wires for less crap
2012-11-27T11:59:24 < zyp> I believe each TMDS link consists of three data lanes and one clock lane
2012-11-27T12:01:04 < zyp> ah, still just one clock
2012-11-27T12:01:13 < zyp> dual link DVI has six data lanes and one clock lane
2012-11-27T12:01:29 < dongs> hmm
2012-11-27T12:01:42 < dongs> i got a shitty radeon here somewehre
2012-11-27T12:01:45 < zyp> http://upload.wikimedia.org/wikipedia/commons/6/65/DVI_pinout.svg
2012-11-27T12:02:38 < dongs> well, i suspect number of single link dvi cards that dont have HDMI are pretty limited.
2012-11-27T12:03:33 < dongs> HDMI < 1.3 that can't do > 165MHz pixel clock is also out
2012-11-27T12:03:40 < dongs> as thats onyl 1920x1200 type shit
2012-11-27T12:04:40 < zyp> well, I just doubt the advantage of converting HDMI to DP
2012-11-27T12:04:51 < dongs> zyp, HDCP and hdmi-only sources.
2012-11-27T12:05:12 < dongs> hdcp = ps3 + etc / gaymers
2012-11-27T12:05:36 < zyp> and you're planning to use this display for that?
2012-11-27T12:06:02 < dongs> me? no, but normal users will.
2012-11-27T12:06:17 < dongs> but on a card that has DP + HDMI
2012-11-27T12:06:20 < dongs> i can run these dualhead
2012-11-27T12:06:34 < zyp> right, one on DP and one on HDMI
2012-11-27T12:06:34 < dongs> otherwise that wouldnt work, either.
2012-11-27T12:06:37 < dongs> or say on intel integraed graphics boards
2012-11-27T12:06:40 < dongs> that have hdmi+dp+dvi
2012-11-27T12:06:50 < dongs> so I see HDMI input as being useful for my use as well
2012-11-27T12:06:50 < dongs> yes.
2012-11-27T12:07:34 < zyp> yeah, I can see HDMI in addition to DP being useful, but not HDMI instead of DP
2012-11-27T12:07:41 < dongs> oh, of course
2012-11-27T12:07:44 < dongs> DP input is always avialable.
2012-11-27T12:07:49 < dongs> i will have a 2:1 mux chip
2012-11-27T12:07:56 < dongs> if it detects hotplug on hdmi, it'll turn off dp input
2012-11-27T12:08:01 < zyp> what's the cost of the adapter chips?
2012-11-27T12:08:09 < dongs> cheap, they're being used for other stuff here
2012-11-27T12:08:20 < zyp> ah
2012-11-27T12:08:23 < dongs> few bucks/ea or wahtever. this is massproduction stuff so they're not so expensive
2012-11-27T12:09:21 < dongs> man the traces on this shitty radeon are insane
2012-11-27T12:09:27 < dongs> they cant be bigger than 2-3 mil
2012-11-27T12:09:30 < dongs> with same kinda spacing
2012-11-27T12:10:07 < zyp> by the way, did you see my lpc4300 blogging yesterday?
2012-11-27T12:10:14 < dongs> ya, saw soem eagle screenshots
2012-11-27T12:10:16 < dongs> not much of htem
2012-11-27T12:10:20 < dongs> inner layers or somethin
2012-11-27T12:10:24 < zyp> http://bin.jvnv.net/f/G5Pt4.png
2012-11-27T12:10:29 < dongs> just saw this in scrollback
2012-11-27T12:10:43 < dongs> by the time youre done, F4 with SDRAM controller might be out
2012-11-27T12:10:46 < zyp> :p
2012-11-27T12:10:51 < dongs> and then you'll be like DONGS
2012-11-27T12:11:33 < zyp> I might finish this up today, just needs a few more caps, power routing and some cleanup
2012-11-27T12:13:17 < dongs> cool
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2012-11-27T12:15:00 < zyp> any feedback on layout?
2012-11-27T12:16:01 < zyp> how horrible does it look? :p
2012-11-27T12:25:31 < dongs> as bad as i would expect in eagle :p
2012-11-27T12:26:54 < dongs> is that all the bypass caps it neds?
2012-11-27T12:26:59 < dongs> like 7 of htem?
2012-11-27T12:29:26 < dongs> no USB?
2012-11-27T12:29:32 < dongs> oh its there, fucktarded footprint
2012-11-27T12:29:47 < dongs> nice vias in usb traces
2012-11-27T12:30:09 < dongs> you coudlnt route that trash on same layer, and drop other irrelevant shit through vias?
2012-11-27T12:30:12 < dongs> like the OTG/ID pin
2012-11-27T12:33:54 < zyp> no, D- and D+ are crossing
2012-11-27T12:34:04 < zyp> otherwise I'd do it
2012-11-27T12:35:28 < dongs> laem
2012-11-27T12:39:07 < zyp> I'm not sure how many bypass caps it needs, I just threw on a bunch in all the free areas around the chip
2012-11-27T12:39:33 < dongs> i still think you can route usb around top layer.
2012-11-27T12:39:50 < dongs> like go around the pins or soemthing
2012-11-27T12:39:56 < dongs> wat, you mean you dont have a cap on each vcc? :)
2012-11-27T12:40:53 < zyp> nah, fuck that, I'm not going to make it double sided assembly with 0201 caps :p
2012-11-27T12:44:42 < zyp> so anyway, if I finish it tonight so you'll have gerbers by tomorrow, when do you think you'll have it done?
2012-11-27T12:45:23 < zyp> and for what price? size is 60x70mm
2012-11-27T12:47:11 < dongs> well once theres osmething to submit its just 2-3 days, there hasn't been anything 4l thats individual boards, most have been fr4/full panels so I cant add otehr shit to them
2012-11-27T12:51:07 < zyp> how much would a panel be?
2012-11-27T12:51:58 < Laurenceb> STM32F313 looks good
2012-11-27T12:52:03 < dongs> panel is like... 1m^2...
2012-11-27T12:52:06 < dongs> a shitton of boards.
2012-11-27T12:52:32 < dongs> when those are ordered, i cant add more stuff (its same design, copied over and over)
2012-11-27T12:52:42 < dongs> if there's individual/proto orders thats where shit can be added on
2012-11-27T12:52:52 < zyp> yeah, I understand
2012-11-27T12:53:12 < dongs> but for 4l, panel is almost same price as 10 protos, heh
2012-11-27T12:53:13 < Laurenceb> http://www.st.com/internet/mcu/product/254116.jsp
2012-11-27T12:53:15 < Laurenceb> hawt
2012-11-27T12:54:14 < dongs> i'd have to check
2012-11-27T12:54:26 < dongs> lets see
2012-11-27T12:54:48 < Laurenceb> no usb suck tho
2012-11-27T12:55:25 < dongs> lemme guess, not pin compatible to F1 again/
2012-11-27T12:56:23 < dongs> no datasheet
2012-11-27T12:56:24 < dongs> waht teh FUCK
2012-11-27T12:56:26 < dongs> FUCK ST; ST SUX; ST IS DYING; ST IS DEAD TO ME; ST HIT WTC
2012-11-27T12:57:48 < dongs> zyp: the fag that does that shit isnt in the office.
2012-11-27T12:57:55 < dongs> but its cheap, ill find out later.
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2012-11-27T14:23:28 < dongs> rolling on lols
2012-11-27T14:25:04 < baird> Old housemate lols: http://images.4chan.org/g/src/1354018919997.jpg
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2012-11-27T14:27:51 < dongs> loks like typical australian
2012-11-27T14:28:43 < Laurenceb> is that irc?
2012-11-27T14:28:43 < dongs> baird,
2012-11-27T14:29:03 < dongs> baird: http://i.imgur.com/hkMP5.jpg hdmi input works. does shitberry spi support > 1920x1200 hdmi?
2012-11-27T14:29:12 < dongs> (if it doesn,t it should still work)
2012-11-27T14:29:18 < Laurenceb> schweeet
2012-11-27T14:29:29 < Laurenceb> whats that crazy board? fpga?
2012-11-27T14:29:53 < dongs> no just hdmi rx / dp tx
2012-11-27T14:30:07 < Laurenceb> ah
2012-11-27T14:30:33 < Laurenceb> lol @ polished keyboard
2012-11-27T14:31:17 < zyp> isn't that how all keyboards turn out?
2012-11-27T14:31:41 < zyp> well, I guess your spacebar doesn't look like that, since you don't use spaces
2012-11-27T14:32:53 < dongs> hahaha
2012-11-27T14:33:54 < baird> Laurenceb: compiling a FreeBSD kernel? IRC is a possibility, though.
2012-11-27T14:34:37 < alexn> need help for CAN timing calculation. stm32f4 discovery runs with 168Mhz. i  will run CAN bus with 125Khz.
2012-11-27T14:34:49 < Laurenceb> no you wont
2012-11-27T14:35:02 < baird> dongs: I've only ever used it on 1920x1080 personally. Apparently the Googles say it can.
2012-11-27T14:35:35 < zyp> alexn, http://cgit.jvnv.net/laks/tree/can/can.h#n71 <- see line 71
2012-11-27T14:36:11 < zyp> replace 1000000 with 125000 for 125 kHz
2012-11-27T14:36:24 < baird> http://elinux.org/RPi_config.txt <- mentions 2560x1600
2012-11-27T14:36:34 < dongs> baird: nice
2012-11-27T14:37:10 < dongs> baird: so its hdmi 1.3 transmitter i guess
2012-11-27T14:37:15 < dongs> well, so i guess you can use it with shitberrypi then.
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2012-11-27T14:40:21 < baird> Seeing "HDMI (rev 1.3 & 1.4)" quoted on a few pages..
2012-11-27T14:41:05 < dongs> yeah, that should be enough. its 1.2 thats x1200 max fail.
2012-11-27T14:41:54 < Laurenceb> Hentai Dickgirl Masturbation Interface
2012-11-27T14:42:29 < dongs> Laurenceb: you'd prefer High Definition Child Porn, I would imagine.
2012-11-27T14:42:45 < Laurenceb> lol
2012-11-27T14:43:07 < baird> Super Deformed Toddler Vagina
2012-11-27T14:44:52 < baird> Attempting to get distcc on a 150MHz ARM NAS to use the RPi distcc cluster..
2012-11-27T14:46:13 < dongs> (still figuring out a funny one for SSTV)
2012-11-27T14:46:41 < karlp> slutty singles taking viagra
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2012-11-27T14:55:51 < baird> Seat Sex That Volkswagon
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2012-11-27T16:00:56 < dongs> dicktrace has some nice stuff for autonaming pins and shit
2012-11-27T16:01:20 < dongs> just did symbol for the IT6505, there's a bunch of repeating/sequential pins
2012-11-27T16:12:56 < Laurenceb> what the fuuuuu
2012-11-27T16:13:06 < Laurenceb> setting breakpoints in i2c code fixes it
2012-11-27T16:14:18 < dongs> haha
2012-11-27T16:15:27 < Laurenceb> its like Schrödinger's cat
2012-11-27T16:17:25 < Laurenceb> http://paste.org/porg/home
2012-11-27T16:17:28 < Laurenceb> hell yeah
2012-11-27T16:17:46 < Laurenceb> at 8.35 i short i2c to gnd
2012-11-27T16:18:05 < Laurenceb> release at 12.38 and it recovers
2012-11-27T16:18:28 < Laurenceb> very epic
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2012-11-27T16:18:57 < Laurenceb> thats 3 9dof sparkfun boards hooked up to an F103 board
2012-11-27T16:19:20 < Laurenceb> now to make it work without breakpoints...
2012-11-27T16:21:20 < zyp> I think you failed with your paste
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2012-11-27T16:25:34 < Laurenceb> http://justpaste.it/1ke0
2012-11-27T16:25:58 < Laurenceb> i used the apb reset
2012-11-27T16:26:07 < Laurenceb> seems to unjam the i2c
2012-11-27T16:35:42 < Laurenceb> found a tshirt for baird   http://www.meta-cortex.com/jim%27ll-fix-it-retro-t-shirt
2012-11-27T16:37:31 < dongs> Critical routines loaded in the 8-Kbyte CCM at startup can be completed at full speed with zero wait states, achieving 90 Dhrystone MIPS at 72 MHz. This compares with 63 DMIPS when executing from Flash or SRAM;
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2012-11-27T16:43:51 < Laurenceb> wtf
2012-11-27T16:44:01 < Laurenceb> f1 was supposed to be better than that
2012-11-27T16:44:38 < dongs> wat?
2012-11-27T16:51:14 < dongs> man
2012-11-27T16:51:18 < dongs> usb power might be out of the question
2012-11-27T16:52:01 < dongs> DP transmitter eats up almost a fucking amp of current
2012-11-27T16:52:20 < dongs> wait wtf they were calculating shit in mA and then final column is mW
2012-11-27T16:52:28 < dongs> 1W by dp transmitter
2012-11-27T16:52:33 < zyp> heh
2012-11-27T16:52:40 < dongs> at 2560x1600p60
2012-11-27T16:52:49 < dongs> so slightly less for my usage but still, too much
2012-11-27T16:54:30 < dongs> oh, and single HDMI input chip is 0.4mm pitch
2012-11-27T16:54:33 < dongs> fun-fuckin-times.
2012-11-27T16:54:38 < dongs> 16x16mm
2012-11-27T16:54:51 < dongs> i wonder whats cheaper for them
2012-11-27T16:56:54 < emeb_mac> dongs: that for the 2-chip converter you showed earlier?
2012-11-27T16:57:11 < dongs> yea
2012-11-27T16:57:16 < dongs> the 1W is just for one chip
2012-11-27T16:57:23 < dongs> but thats worst case at 2560x rez
2012-11-27T16:57:29 < dongs> for the DP transmitter
2012-11-27T16:57:37 < emeb_mac> wow
2012-11-27T16:58:08 < emeb_mac> seems pretty crazy - doubt that the dp xmitter used in the iPad processor uses that much.
2012-11-27T16:59:15 < dongs> this is at 268mhz pclk
2012-11-27T16:59:28 < dongs> my shit is around 188 i guess
2012-11-27T16:59:38 < dongs> they closeset statistic tehy have there is 204
2012-11-27T16:59:51 < dongs> where typical consumption is 680mW
2012-11-27T17:00:13 < dongs> this is for 1.8V avcc
2012-11-27T17:00:15  * Laurenceb raging at i2c again
2012-11-27T17:00:17 < Laurenceb> p/x I2C1->CR1
2012-11-27T17:00:17 < Laurenceb> $12 = 0x601
2012-11-27T17:00:20 < Laurenceb> why the helll
2012-11-27T17:00:28 < Laurenceb> do stop and start always jam
2012-11-27T17:00:53 < emeb_mac> do they have power listed at any other freq points?
2012-11-27T17:01:00 < dongs> sure
2012-11-27T17:01:32 < emeb_mac> pick the ones on either side of the one you want and interpolate?
2012-11-27T17:02:12 < dongs> Laurenceb: http://i.imgur.com/i1emz.png
2012-11-27T17:02:31 < dongs> http://i.imgur.com/896sS.png < emeb_mac
2012-11-27T17:04:34 < emeb_mac> looks like your basic C*V^2 curve
2012-11-27T17:05:50 < emeb_mac> so it'll be somewhere between 609 & 677 - closer to 677. Guess about 640-650
2012-11-27T17:06:05 < dongs> yea
2012-11-27T17:06:20 < emeb_mac> still a lot
2012-11-27T17:07:10 < emeb_mac> usb maxes out @ 5000mw, so it's possible it could still be usb powered.
2012-11-27T17:07:44 < emeb_mac> not all hosts/hubs can supply that tho
2012-11-27T17:08:04 < emeb_mac> and depends on what the panel & backlights need
2012-11-27T17:09:55 < zyp> huh?
2012-11-27T17:10:13 < zyp> usb2 maxes out at 2.5W
2012-11-27T17:10:19 < dongs> thats what i thought
2012-11-27T17:10:21 < zyp> 500mA, 5V
2012-11-27T17:10:42 < emeb_mac> Oh - thought it could go to 1A @ 5V. Just 0.5A?
2012-11-27T17:10:50 < emeb_mac> dopey me
2012-11-27T17:11:04 < zyp> I think usb3 raised the limit to 900mA
2012-11-27T17:11:39 < emeb_mac> I blame mornings. Just got outta bed.
2012-11-27T17:13:02 < dongs> can just use USB socket for power anyway, and power from like cellphone charger thats 1A :)
2012-11-27T17:13:17 < dongs> arent most mobos cable of doing 1A over usb anyway?
2012-11-27T17:13:23 < emeb_mac> there's that
2012-11-27T17:13:25 < dongs> i see all that "SUPER LEET P HONE CHARGER" shits
2012-11-27T17:14:04 < dongs> http://www.gigabyte.com/microsite/102/data/mb-usb3-29.jpg
2012-11-27T17:14:27 < zyp> true, there is a charging spec
2012-11-27T17:14:49 < zyp> I don't remember the exact power limit for that
2012-11-27T17:15:14 < zyp> and then you have all the out of spec shit
2012-11-27T17:15:20 < dongs> hehe
2012-11-27T17:15:29 < dongs> well hey
2012-11-27T17:15:33 < dongs> for DP only use (no hdmi)
2012-11-27T17:15:38 < dongs> it can totally run off USB bus power.
2012-11-27T17:15:49 < dongs> k bedtime
2012-11-27T17:15:57 < emeb_mac> l8rs
2012-11-27T17:16:20 < zyp> I kind of want one for that
2012-11-27T17:16:35 < zyp> extra display for my laptop, just hook it up to DP and USB
2012-11-27T17:17:02 < emeb_mac> that would cool
2012-11-27T17:17:08 < emeb_mac> Laurenceb: fired up the F373 SDADC last night.
2012-11-27T17:18:09 < Laurenceb> ok
2012-11-27T17:18:13 < alexn> i need help with my simple CAN example on stm32f4discovery board
2012-11-27T17:18:18 < alexn> http://pastebin.com/kSRkGCxN
2012-11-27T17:18:33 < emeb_mac> saw a fair amount of variation on the output value, but I suspect my Vref and sample source aren't the best.
2012-11-27T17:20:01 < alexn> i see data on oszi but not the right data.
2012-11-27T17:21:26 < alexn> the CAN bus Freq should be 250000 Kbps
2012-11-27T17:23:09  * emeb_mac doesn't know diddly about CAN
2012-11-27T17:23:23 < gxti> me neither but i don't think it can go at 250mbit
2012-11-27T17:25:09 < zyp> of course it can
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2012-11-27T17:25:36 < zyp> I've been running can at 1 Mb/s without problems
2012-11-27T17:25:46 < zyp> uh
2012-11-27T17:25:55 < zyp> right
2012-11-27T17:26:00 < gxti> oh, so only another factor of 250
2012-11-27T17:26:01 < gxti> easy
2012-11-27T17:26:09 < gxti> ...
2012-11-27T17:26:14 < zyp> I missed the wrong unit part of what you wrote
2012-11-27T17:26:17 < zyp> sorry
2012-11-27T17:26:21 < gxti> :P
2012-11-27T17:26:31 < zyp> he obviously meant 250 Kb/s, so that's what I read :p
2012-11-27T17:26:36 < gxti> yeah i know :|
2012-11-27T17:26:49 < gxti> i don't think the baud scaler is right
2012-11-27T17:27:38 < gxti> but i'd have to read the manual to know for sure and i am lazy and also supposed to be doing real work
2012-11-27T17:28:59 < emeb_mac> what is this "real work" you speak of?
2012-11-27T17:29:47 < zyp> 22 looks right
2012-11-27T17:30:04 < zyp> 1+3+4 = 8TQ
2012-11-27T17:30:35 < zyp> 42 MHz / 8 / 250 kbaud = 22
2012-11-27T17:31:04 < gxti> yeah this goes back to not knowing anything about can
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2012-11-27T17:31:25 < gxti> i should though, want to haxor my car
2012-11-27T17:31:27 < Laurenceb> emeb_mac: what is the std?
2012-11-27T17:32:55 < emeb_mac> Laurenceb: haven't put the statistics in yet - just looking at raw samples
2012-11-27T17:33:12 < Laurenceb> import into octave
2012-11-27T17:33:23 < emeb_mac> looked like there was a combination of short-term and long term variations though.
2012-11-27T17:33:28 < alexn> oszi see ID:1FEFFFF7 but i send ID 0
2012-11-27T17:34:07 < emeb_mac> Laurenceb: yeah - good idea. Right now it's just sampling whenever and spewing to USART.
2012-11-27T17:34:27 < emeb_mac> I'd want to actually buffer up contiguous samples and send a known record.
2012-11-27T17:34:55 < emeb_mac> but import to Matlab/Octave would be great - do histograms, etc.
2012-11-27T17:35:52 < alexn> zyp, you say the CAN freq init is right?
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2012-11-27T17:43:18 < Laurenceb> cat /dev/ttyACM0 > test
2012-11-27T17:43:21 < Laurenceb> octave
2012-11-27T17:43:27 < Laurenceb> load("test")
2012-11-27T17:43:43 < alexn> zyp. when i make the example with CAN1 it works
2012-11-27T17:43:46 < Laurenceb> ^ a=load("test")  ;  rather
2012-11-27T17:43:50 < Laurenceb> std(a)
2012-11-27T17:46:28 < gxti> alexn: is CAN1 also on APB1?
2012-11-27T17:48:53 < gxti> yes, never mind
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2012-11-27T18:02:38 < alexn> cu guys
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2012-11-27T20:32:36 < emeb> Laurenceb: got some stats on the SDADC
2012-11-27T20:33:15 < emeb> 33000 samples of raw 16-bit data. std dev = 2.5 lsb
2012-11-27T20:41:56 < BrainDamage> dongs-like link of the day: http://imgur.com/gallery/VyVq6
2012-11-27T20:42:50 < emeb> ewww
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2012-11-27T21:11:25 < TitanMKD> hello
2012-11-27T21:15:10 < emeb> hi
2012-11-27T21:16:38 < zyp> hi
2012-11-27T21:16:57 < jpa-> hi
2012-11-27T21:17:10 < BrainDamage> hey
2012-11-27T21:19:32 <+Steffanx> ki
2012-11-27T21:19:35 <+Steffanx> lo
2012-11-27T21:20:07 -!- daku is now known as DaKu
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2012-11-27T22:00:17 < Laurenceb_> http://verdantstar.tumblr.com/
2012-11-27T22:00:24 < Laurenceb_> someones perfect girlfriend...
2012-11-27T22:01:57 < Laurenceb_>  "Soph twirling in the rain at Liverpool Pride"
2012-11-27T22:02:00 < Laurenceb_> oh nvm then
2012-11-27T22:02:18 < Laurenceb_> they did i _know_ that was coming
2012-11-27T22:02:57 < jpa-> you messed up your word order
2012-11-27T22:03:10 < jpa-> "they did _know_ that i was coming"   <-- fixed it for you
2012-11-27T22:03:10 < Laurenceb_> s/they/why
2012-11-27T22:03:15 < Laurenceb_> lol
2012-11-27T22:03:24 < Laurenceb_> self trolled
2012-11-27T22:03:52 < Laurenceb_> "rocking the padded pants"
2012-11-27T22:04:04 < Laurenceb_> ladyboy alert
2012-11-27T22:04:37 < Laurenceb_> a new rule of thumb, if you spot a girl who likes arduino, its probably a ladyboy
2012-11-27T22:04:53 < BrainDamage> Laurenceb_: http://linuxorg.sourceforge.net/
2012-11-27T22:05:24 < zyp> Laurenceb_, more like rule of dumb
2012-11-27T22:06:31 < Laurenceb_> BrainDamage: not sure if troll
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2012-11-27T22:17:11 < emeb> Laurenceb_: datas! http://i.imgur.com/6V1bT.jpg
2012-11-27T22:19:45 < Laurenceb_> tyvm
2012-11-27T22:19:56 < Laurenceb_> whats the sample rate?
2012-11-27T22:20:02 < Laurenceb_> that looks like octave?
2012-11-27T22:20:24 < emeb> checking sample rate in code...
2012-11-27T22:20:48 < Laurenceb_> why is it centered on 896? low input voltage?
2012-11-27T22:22:23 < Laurenceb_> std looks about 1.5 or maybe 2 to me, seems very good
2012-11-27T22:22:34 < Laurenceb_> massively better than the freescale stuff anyway
2012-11-27T22:22:41 < Laurenceb_> ats really 13.5 bit
2012-11-27T22:23:12 < Laurenceb_> so std of 6 or so
2012-11-27T22:23:15 < emeb> Laurenceb_: SDADC clock is 6MHz -> max, so I assume it's 50kHz sample rate
2012-11-27T22:23:25 < Laurenceb_> not bad !
2012-11-27T22:23:39 < emeb> The std dev calculated by Matlab is 2.493
2012-11-27T22:23:42 < Laurenceb_> massively better than freescale "16bit"  adc
2012-11-27T22:23:48 < Laurenceb_> ok
2012-11-27T22:24:06 < Laurenceb_> looks smaller from the graph, but its not quite guassian by the look of it
2012-11-27T22:24:25 < emeb> The voltage I'm driving in is Vref/2 with two 1k resistors and a 4.7uF electolytic cap.
2012-11-27T22:24:44 < emeb> so it's close to mid-scale which is 0 on the signed result.
2012-11-27T22:25:19 < Laurenceb_>  - slightly excessive stuff at greater deviation, maybe a little EMI getting in
2012-11-27T22:25:19 < Laurenceb_> at 50ksps freescale is more like 13bit iirc
2012-11-27T22:25:28 < Laurenceb_> so call this ~15bit
2012-11-27T22:25:43 < emeb> The test rig is not likely to be extremely clean.
2012-11-27T22:25:49 < Laurenceb_> ok, odd that its so low
2012-11-27T22:25:52 < emeb> Vref is just a filtered version of Vdd.
2012-11-27T22:25:53 < Laurenceb_> oh
2012-11-27T22:26:00 < Laurenceb_> yeah
2012-11-27T22:26:19 < emeb> ferrite bead-> 10uf + 0.1uf MLCC
2012-11-27T22:26:21 < Laurenceb_> it takes different references to the 12bit adc, i forgot
2012-11-27T22:26:57 < Laurenceb_> at lower sample rates with greater oversampling it should creep up closer to 16bit
2012-11-27T22:27:06 < Laurenceb_> but its already 2 bits better than freescale
2012-11-27T22:27:10 < emeb> That agrees with the datasheet
2012-11-27T22:27:14 < Laurenceb_> yeah
2012-11-27T22:27:40 < emeb> bbiab...
2012-11-27T22:27:47 < Laurenceb_> thanx for the data
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2012-11-27T23:03:12 < Laurenceb_> "VSSA, VDDA = 1.65 to 3.6 V: external analog power supply
2012-11-27T23:03:12 < Laurenceb_> "
2012-11-27T23:03:27 < Laurenceb_> "level must be always greater or equal to the VDD voltage level "
2012-11-27T23:03:41 < Laurenceb_> f313 data brief doesnt make sense
2012-11-27T23:04:19 < Laurenceb_> ok i guess 1.65 ~ 0.92*1.8
2012-11-27T23:04:52 <+Steffanx> Don't guess, be sure :P
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2012-11-27T23:22:04 < karlp> how do you get around this? format '%u' expects argument of type 'unsigned int', but argument 2 has type 'u32'
2012-11-27T23:22:14 < karlp> u32 is uint32_t and uint32_t is unsigned int?!
2012-11-27T23:25:54 < zyp> heh
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2012-11-27T23:33:44 < emeb> derp - I've seen that too. Compiler doesn't seem to recognize that these types are the same. I just cast it.
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2012-11-27T23:56:26 < Laurenceb_> it should be in ctypes.h  ?
--- Day changed Wed Nov 28 2012
2012-11-28T00:03:25 -!- mrcan [~mrcan@unaffiliated/mrcan] has quit [Read error: Connection reset by peer]
2012-11-28T00:06:43 < TitanMKD> does anyone have standard GCC ARM M0 options in head ?
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2012-11-28T00:09:42 < zyp> -mcpu=cortex-m0 -mthumb
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2012-11-28T00:14:06 < TitanMKD> thanks
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2012-11-28T00:34:28 < Laurenceb_> http://hackaday.com/2012/11/27/pulse-oximeter-displays-blood-oxygen-levels-on-a-pc/
2012-11-28T00:34:33 < Laurenceb_> lol at trollments
2012-11-28T00:36:53 < BrainDamage> to be honest, the post itself asked for them
2012-11-28T00:44:08 < emeb> heh - photoresistor. that'll work great.
2012-11-28T00:45:32 < ds2> Hmmmm
2012-11-28T00:46:04 -!- a2cypher [~cypher@mail.krausglobal.com] has joined ##stm32
2012-11-28T00:47:10 < emeb> hi ds2 - what's new?
2012-11-28T00:47:14 < dongs> donnnnnnngs
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2012-11-28T00:47:28 < ds2> going insane as usual
2012-11-28T00:47:36 < ds2> just been told my board is assembled!!
2012-11-28T00:47:53 < a2cypher> Hey folks.    I have a quick question about reentrancy.   I have a library, newlib, that provides regular and reentrant versions of functions.    In my program,  I only have one task that is being executed by interrupt and that task does not make use of any of the libraries function.   Do I still need to worry about using the reentrant versions?
2012-11-28T00:48:30 < dongs> cool
2012-11-28T00:48:34 < dongs> pics or it didnt happen
2012-11-28T00:48:40 < a2cypher> lol
2012-11-28T00:49:37 < emeb> new board - ohayoh.
2012-11-28T00:49:54 < ds2> dongs: seeing how you made the PCB....
2012-11-28T00:50:08 < ds2> I need to pick it up tomorrow
2012-11-28T00:50:23 < Laurenceb_> emeb: its using a photodiode
2012-11-28T00:50:36 < Laurenceb_> bpw34s, same thing i use on my projects
2012-11-28T00:51:00 < Laurenceb_> i use a better preamp and 5 wavelengths
2012-11-28T00:51:53 < emeb> Laurenceb_: yeah - saw the circuit. the referring article says photoresistor tho.
2012-11-28T00:52:21 < emeb> that's hackaday for you I guess.
2012-11-28T00:52:46 < Laurenceb_> hhe
2012-11-28T00:52:51 < ds2> photoresistors can be nicer sometimes
2012-11-28T00:53:15 < ds2> their response matches the eye better then diodes
2012-11-28T00:53:38 < dongs> so apparently nexus4 is now available
2012-11-28T00:55:13 < emeb> ds2: CdS cells don't work well for IR. Plus their response is fairly slow so they
2012-11-28T00:55:29 < emeb> they're not good for modulated stuff.
2012-11-28T00:55:51 < ds2> emeb: yes, "matches the eye"
2012-11-28T00:56:01 < emeb> but they're great for turning on your porch light. :)
2012-11-28T00:56:02 < ds2> I'd think it makes a good ALS sensor
2012-11-28T00:56:29 < ds2> not saying it was a good choice in that app ;)
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2012-11-28T00:56:37 < Laurenceb_> i use modulation at ~12khz
2012-11-28T00:56:47 < Laurenceb_> so photoresistors would be pretty bad
2012-11-28T00:57:00 < emeb> yeah - spec I'm looking at says 60ms risetime.
2012-11-28T00:57:02 < ds2> having said that, aren't CdS cells outlawed now?
2012-11-28T00:57:16 < emeb> ds2: I think that's true in EU
2012-11-28T00:57:29 < emeb> but it's possible to get a waiver for some apps.
2012-11-28T00:57:32 < dongs> attn Laurenceb_ http://www.gizmag.com/worlds-smallest-sized-radar-system/25152/
2012-11-28T00:58:11 < ds2> emeb: defense and telcom, IIRC are the 2 exemptions
2012-11-28T00:58:50 < Laurenceb_> nice
2012-11-28T00:58:58 < Laurenceb_> built in antenni
2012-11-28T00:59:04 < Laurenceb_>   /ignore flyback-
2012-11-28T00:59:04 < emeb> so cute!
2012-11-28T00:59:26 < dongs> the story of Laurenceb_ life http://www.foxnews.com/world/2012/11/27/belgian-man-finds-out-his-wife-1-years-was-born-man/
2012-11-28T00:59:30 < emeb> 120GHz
2012-11-28T00:59:30 < ds2> 10ft range?
2012-11-28T00:59:37 < ds2> if it can do 300ft...
2012-11-28T00:59:44 < Laurenceb_> haha
2012-11-28T01:00:01 < Laurenceb_>  ##stm32  :  trolls trolling trolls
2012-11-28T01:00:20 < Laurenceb_> http://verdantstar.tumblr.com/
2012-11-28T01:01:14 < dongs> 99wat
2012-11-28T01:03:03 < Laurenceb_> blue leds!!!
2012-11-28T01:04:08 -!- Laurenceb_ is now known as UKLadyBoy
2012-11-28T01:07:16 -!- UKLadyBoy is now known as Laurenceb_
2012-11-28T01:13:47 < BrainDamage> quite some juicy trolling here: http://hackaday.com/2012/11/27/kickstarter-incurs-the-wrath-of-arduino-creator/
2012-11-28T01:14:57 < Laurenceb_> http://www.flickr.com/photos/76754158@N03/7051878651/in/photostream
2012-11-28T01:15:02 < Laurenceb_> dongs on the left there
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2012-11-28T01:23:20 < dongs> haha
2012-11-28T01:23:50 < Oldboy> exactly as I imagined he must look
2012-11-28T01:24:08 < Oldboy> :p
2012-11-28T01:32:57 < dongs> i know a guyt who loks like this
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2012-11-28T02:26:52 < dongs> oo
2012-11-28T02:26:57 < dongs> my hueg copypasted pcbs are here
2012-11-28T02:34:02 < dongs> hohoho, and DP breakout wiht proper footprint.
2012-11-28T02:43:13 < upgrdman> im reading about the r pi. looking at some scope shots of the GPIOs, it looks that they suffer from a fair amount of parasitic inductance (if im interpreting it correctly). would cap'ing those pins to ground help in that case?
2012-11-28T02:51:54 < emeb> upgrdman: what leads you to think it's parasitic inductance?
2012-11-28T02:52:11 < upgrdman> http://i.imgur.com/OcJxu.png
2012-11-28T02:52:36 < upgrdman> looks like the voltage doesn't want to "stop" ... like an inductive load
2012-11-28T02:53:20 < dongs> looks like ringing and shit scope to me
2012-11-28T02:54:04 < upgrdman> o ok
2012-11-28T02:54:40 < dongs> faildingo scope
2012-11-28T02:55:10 < upgrdman> cheap, but good enough for most hobbyists
2012-11-28T02:55:14 < emeb> yeah - what dongs said. either a poorly compensated scope probe, or possibly an impedance mismatch in the line it's driving.
2012-11-28T02:55:51 < emeb> Slapping a cap on there would reduce the perceived overshoot, but it would slow the edges down.
2012-11-28T02:56:06 < gxti> or a five foot long ground lead
2012-11-28T02:56:13 < emeb> yup
2012-11-28T02:57:22 < upgrdman> ya, i learned about long, non-coax ground leads early on :)
2012-11-28T02:57:24 < dongs> ya unconnected gnd will do that too
2012-11-28T02:58:24 < upgrdman> im not really familiar with impedance matching. with a gpio, i assume you *dont* want to pull the maximum amount of power from it, so why would you try to match impedance?
2012-11-28T02:58:27 < Bird|lappy> "gnd antenna"
2012-11-28T03:01:18 < dongs> how is gpio on shitberry pi
2012-11-28T03:01:23 < dongs> do you just write to some file on lunix?
2012-11-28T03:01:38 < dongs> so its like giant latency  etc
2012-11-28T03:02:10 < upgrdman> dont know. my two pi's just shipped today.
2012-11-28T03:02:21 < gxti> dongs: yes
2012-11-28T03:02:36 < dongs> whats that faildingo scope pic hten
2012-11-28T03:03:14 < upgrdman> im toying with the idea of using a pi to replace my web serve, and i might connect a qvga spi display to it, and use that to display stats or other useful stuff.
2012-11-28T03:03:31 < gxti> maybe it can do pwm or something
2012-11-28T03:03:52 < upgrdman> i did some math, and realized the pi would pay for itself in 4 months, it if can replace my server
2012-11-28T03:04:17 < gxti> k
2012-11-28T03:04:32 < upgrdman> dongs: like i said, i was *reading* about the pi... its not my scope pic
2012-11-28T03:04:37 < dongs> its y our problem that your "server" is a 486 from 1993 that draws 250W at idle
2012-11-28T03:04:50 < upgrdman> im in the planning and impatiently-waiting phase
2012-11-28T03:05:10 < upgrdman> dongs: my server draws about 75W
2012-11-28T03:05:22 < dongs> thats fucking terrible, i think mine is around 4W
2012-11-28T03:05:30 < dongs> if even that
2012-11-28T03:05:34 < upgrdman> dongs: yes. its an old athlon. 32bit iirc.
2012-11-28T03:05:42 < upgrdman> its my oldest pc
2012-11-28T03:05:57 < upgrdman> it has an agp slot :)
2012-11-28T03:06:14 < upgrdman> and it costing my ~$8 per month to power it.
2012-11-28T03:06:58 < upgrdman> an r pi would cost me about $0.38 per month
2012-11-28T03:07:39 < upgrdman> and my server is just for a simple little blog, ssh access, and random file storage
2012-11-28T03:10:04 < upgrdman> another near thing is all of my critical stuff (server, modem, router) would run off of 5V. i can replace my ups with something much simpler and have shit tons of run time when power goes out.
2012-11-28T03:10:09 < upgrdman> neat*
2012-11-28T03:10:54 < gxti> one of these days i'm going to do that with 12V batteries.
2012-11-28T03:11:07 < upgrdman> yes
2012-11-28T03:11:30 < gxti> well, probably 24V with buck modules to make a clean 12V for things i don't trust to run on 14-15V from charging
2012-11-28T03:11:34 < upgrdman> 5v reg + Pb float charger. done
2012-11-28T03:11:47 < emeb> wonder what my atom file/music server draws?
2012-11-28T03:12:21 < emeb> need to get the kill-a-watt down & check...
2012-11-28T03:13:24 < gxti> not gonna be very accurate at low power
2012-11-28T03:13:50 < emeb> hope it's low power :)
2012-11-28T03:13:57 < upgrdman> should be
2012-11-28T03:14:10 < dongs> i need to upgrade my desktop
2012-11-28T03:14:16 < dongs> piece of shit draws 100W at idle
2012-11-28T03:14:22 < upgrdman> my atom notebook, with lcd on, 100% cpu usage, draws < 60W. much less.
2012-11-28T03:14:36 < dongs> i already picked most of the shit, gonna replace it with a mini-itx i7
2012-11-28T03:17:17 < emeb> 27W @ the AC line
2012-11-28T03:20:07 < emeb> could be worse I guess.
2012-11-28T03:21:15 < emeb> dongs: how'd you get a server running @ 4W?
2012-11-28T03:21:30 < dongs> fit-pc2
2012-11-28T03:21:45 < dongs> like 6W under light load, and way less when its not actually doing anything
2012-11-28T03:22:04 < dongs> (which is 99% of the time)
2012-11-28T03:22:05 < emeb> those are cute.
2012-11-28T03:23:01 < emeb> what kind of disk in it?
2012-11-28T03:23:28 < dongs> some cheapfuck ssd i had laying around
2012-11-28T03:23:35 < dongs> 16 gig or someshit
2012-11-28T03:23:39 < dongs> maybe 32
2012-11-28T03:23:40 < dongs> no idea
2012-11-28T03:23:46 < emeb> big enough...
2012-11-28T03:24:12 < emeb> my Atom box has ~250GB HD so I'm sure that doesn't help.
2012-11-28T03:24:34 < dongs> its ok, the power savings are offset by 4 4U racks of ~20 hdds each
2012-11-28T03:24:46 < emeb> lol
2012-11-28T03:27:13 < emeb> DK still doesn't have the little 2-terminal 8MHz 3.2x5 xtals.
2012-11-28T03:29:30 < dongs> i got the one you used on f3 breakout i think
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2012-11-28T03:29:32 < dongs> thats the 2 pad shit right
2012-11-28T03:29:49 < gxti> http://www.digikey.com/product-detail/en/AA-8.000MALV-T/887-1667-1-ND/3454718
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2012-11-28T03:30:21 < gxti> costs more than the 25mhz or 12mhz ones i've been using and has crap stability, wonder what's up with that
2012-11-28T03:30:47 < emeb> dongs: yeah
2012-11-28T03:30:47 < gxti> 535-10630-1-ND has more reasonable parameters but costs $1.50
2012-11-28T03:30:54 < dongs> I get 8mhz HC49 dip shit from china for like pennies/ea
2012-11-28T03:30:58 < emeb> there's another one that's 2x the price I could get.
2012-11-28T03:31:10 < dongs> also got them to find me 12 and 16mhz 3225
2012-11-28T03:31:16 < dongs> for < 10c/ea
2012-11-28T03:31:18 < dongs> so im all set
2012-11-28T03:31:19 < gxti> emeb: so use 12 or 16 :p
2012-11-28T03:31:24 < emeb> but I'm in no hurry. Just amusing to see their schedule fail
2012-11-28T03:31:40 < emeb> gxti: Need 8MHz to test USB DFU bootloader.
2012-11-28T03:31:51 < emeb> got one w/ 12 now and it doesn't work.
2012-11-28T03:32:20 < dongs> 8, or 25, right?
2012-11-28T03:32:28 < dongs> what else was in the bootloader pdf
2012-11-28T03:32:30 < gxti> pointed apachebench at my f107 just for the hell of it, 745 requests/sec
2012-11-28T03:32:32 < emeb> I think that's right
2012-11-28T03:32:40 < dongs> 8, 25, and some oddball 14.something
2012-11-28T03:32:42 < dongs> 14.738 or someshit
2012-11-28T03:33:08 < emeb> Yeah. Suppose I could get a 25 in the 3225 pkg
2012-11-28T03:33:33 < emeb> but, v0.4 of the board is laid out for the 2-terminal 3.2x5 pkg
2012-11-28T03:33:35 < gxti> 14.7456? uart crystal maybe
2012-11-28T03:33:43 < gxti> strange for usb though
2012-11-28T03:34:27 < dongs> gxti: duno, its in the Fxxx bootloader appnote
2012-11-28T03:34:31 < dongs> which still hasnt been updated for F3
2012-11-28T03:34:37 < dongs> so fuck knows what ones F3 wants for USB DFU
2012-11-28T03:34:38 < emeb> bastards
2012-11-28T03:34:57 < gxti> i've yet to actually use any of the burned-in bootloaders
2012-11-28T03:35:09 < gxti> although i've been bringing out the boot pins just in case
2012-11-28T03:35:12 < emeb> and the USB device library hasn't been updated for F3 yet either.
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2012-11-28T03:37:15 < dongs> pretty sure should besomething there
2012-11-28T03:37:20 < dongs> maybe in f3disco firmware
2012-11-28T03:39:20 < emeb> dongs: yeah - worth looking at, but the main ST lib is still at v3.4.0 from mid-year.
2012-11-28T03:39:54 < dongs> shrugging
2012-11-28T03:39:59 < dongs> i discovered keil RL-USB
2012-11-28T03:40:06 < gxti> so i'm thinking about a "filesystem" for my 1mbyte spi flash, it doesn't need to be writable but most of what it holds will already be compressed so something like squashfs seems like overkill
2012-11-28T03:40:09 < dongs> and apparently its my solution to opensauce failure
2012-11-28T03:40:19 < gxti> maybe an archive format like cpio or ar would work better?
2012-11-28T03:41:22 < emeb> dongs: Keils home-grown USB driver?
2012-11-28T03:41:32 < dongs> yeah
2012-11-28T03:41:39 < emeb> gxti: no clues - not something I've had to worry about.
2012-11-28T03:41:47 < dongs> gxti: cramfs, squasfs?
2012-11-28T03:42:01 < gxti> might work, mostly i just don't want to have to deal with the decompression
2012-11-28T03:42:25 < gxti> it'll hold web stuff like images, and i can even store the html as gzipped and just serve it that way
2012-11-28T03:42:33 < gxti> not having to decompress would save ram etc
2012-11-28T03:43:19 < Devilholk> Where are stuff like _sidata, _sbss etc defined?
2012-11-28T03:43:29 < dongs> probably linker script
2012-11-28T03:43:35 < Devilholk> Oh, right
2012-11-28T03:43:39 < Devilholk> Knew I forgot something =D
2012-11-28T03:43:42 < Devilholk> Thanks
2012-11-28T03:43:43 < dongs> also known as dinker script
2012-11-28T03:43:57 < dongs> cuz if you use opensauce compilers y ou will be dicking with it to no end
2012-11-28T03:44:23 < gxti> so far i haven't, but that's because i can't get newlib to compile in the first place
2012-11-28T03:44:35  * emeb spends more time dinking with compiler / linker command line options.
2012-11-28T03:45:17 < emeb> gxti: which gcc build you using?
2012-11-28T03:46:02 < gxti> i've been using buildroot which is uclibc-only, also tried compiling from scratch including merging newlib into the gcc tree like it seems to want
2012-11-28T03:46:35 < gxti> the newlib config script says "not supported in this configuration" with no useful error message and then just doesn't get built when i make
2012-11-28T03:46:57 < gxti> shelved that for a while, rather do actual code
2012-11-28T03:46:59 < emeb> tried using the launchpad gcc w/ multilib?
2012-11-28T03:47:07 < emeb> seems to work for me.
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2012-11-28T03:57:21 < Devilholk> Hmm.. I don't get why ST's examples with the std peripheral lib with the config header first imports the libraries and then afterwards defines macros for assertion. How does that compute?
2012-11-28T03:58:36 < Devilholk> Oh wait, it is not compiler errors, it is linker errors
2012-11-28T03:59:28 < Devilholk> Included stuff with the wrong root in the hirachy
2012-11-28T04:03:01 < gxti> as gross as it is, cpio (the old binary format) seems like a reasonable choice for a small RO filesystem. small header, easy enough to seek between records.
2012-11-28T04:05:01 < emeb> why not? crude but effective.
2012-11-28T04:05:24 < gxti> my distate for cpio stems mostly from the tool, not the format
2012-11-28T04:05:29 < gxti> distaste*
2012-11-28T04:05:50 < gxti> but i'll use it. can just stuff the ugly bits into the makefile
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2012-11-28T04:09:28 < Devilholk> I get huge elf-files. Is this normal? 71k
2012-11-28T04:09:54 < gxti> yes, mine is 496K. it includes debug info, etc.
2012-11-28T04:10:01 < Devilholk> stm32flash says using parser raw binary. Did it try to upload 71k to the device then?
2012-11-28T04:10:17 < gxti> maybe
2012-11-28T04:10:25 < Devilholk> I can try the graphical program
2012-11-28T04:10:34 < gxti> objcopy -O binary will get you a .bin
2012-11-28T04:11:15 < Devilholk> I see now that it uses objcopy to make a hex file
2012-11-28T04:11:27 < Devilholk> That seems to work better
2012-11-28T04:11:33 < Devilholk> Flashed in a second now instead of severa
2012-11-28T04:11:39  * Devilholk fetches to scope to see if he succeeded
2012-11-28T04:12:00 < Devilholk> Urgh.. I hope you guys have autocorrect when you read what I type
2012-11-28T04:18:14 < Devilholk> Wow it works
2012-11-28T04:18:53 < emeb> \o/
2012-11-28T04:19:12 < Devilholk> 5.1 squares on the scope. And that is... *drumroll while calculating*
2012-11-28T04:20:26 < Devilholk> 1.96 MHz I think
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2012-11-28T04:22:05 < upgrdman> LOL  http://hackaday.com/2012/11/25/making-a-touchless-vibrator-with-reverse-engineering/
2012-11-28T04:23:03 < Devilholk> Open source dildos.. what next?
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2012-11-28T04:23:37 < dongs> and of course, featuring faildingo
2012-11-28T05:33:03 < Devilholk> What frequency does the systick timer run on? I only find out that it is 24 bit..
2012-11-28T05:33:32 < Devilholk> Can it be changed?
2012-11-28T05:34:09 < dongs> yes, to both
2012-11-28T05:34:12 < Devilholk> Does it have prescalers? Why isn't it listed in the timer application note? >.<
2012-11-28T05:34:24 < dongs> systick is CMSIS
2012-11-28T05:34:55 < Devilholk> And CMSIS is a standard?
2012-11-28T05:35:16 < dongs> Yes
2012-11-28T05:35:35 < Devilholk> But is what the datasheet refers to as "24 bit SysTick timer" a dedicated timer or is it just that you could use one of the timers for this?
2012-11-28T05:36:25 < dongs> its part of the cpu.
2012-11-28T05:36:34 < gxti> it's part of the cortex cpu, whereas all the other timers are crammed in there by the vendor
2012-11-28T05:36:40 < dongs> http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0552a/Babieigh.html
2012-11-28T05:36:43 < dongs> rtfm
2012-11-28T05:36:44 < gxti> filthy vendors
2012-11-28T05:36:55 < Devilholk> dongs: I try, but they are so many
2012-11-28T05:37:50 < dongs> Devilholk: i just linked you to the docs
2012-11-28T05:38:03 < Devilholk> Yeah, but I have been reading stuff at st.com >.<
2012-11-28T05:38:04 < dongs> there's also some systick shit in cm3 and misc.c from stdperiphlib
2012-11-28T05:38:11 < dongs> theres stuff at st.com as well
2012-11-28T05:38:53 < Devilholk> I was using the cm3-stuff, and according to what you just linked, there seem not to be options for prescale, so if I get the wrong rate, I must be having setup the system clock wrong
2012-11-28T05:39:07 < Devilholk> Now I know where to look at least ^^
2012-11-28T05:39:19 < dongs> SysTick_Config()
2012-11-28T05:39:33 < dongs> http://www.keil.com/support/man/docs/gsac/gsac_systicktimer.htm
2012-11-28T05:39:37 < dongs> more relevant stuff
2012-11-28T05:39:51 < gxti> it doesn't have a literal prescaler, it's just a programmable timer like the usual peripheral ones
2012-11-28T05:40:20 < dongs> not very programmable but yeah
2012-11-28T05:40:30 < gxti> you write a number and it counts that high
2012-11-28T05:40:36 < gxti> i call that 'programmable'
2012-11-28T05:41:18 < Devilholk> dongs: That is doing precisely what I was doing, so the systick stuff is correct, I have my clock wrong
2012-11-28T05:42:24 < dongs> look at rcc/pll stuff, or just dump sysclk to mco and youll know if its wrong or not
2012-11-28T05:51:22 < Devilholk> I figured it out
2012-11-28T05:51:40 < Devilholk> It tried to configure for external crystal, fails and reverts to HSI
2012-11-28T05:52:32 < dongs> teehee
2012-11-28T06:03:50 < Devilholk> Yay it works
2012-11-28T06:04:01 < Devilholk> Now it is 3x too fast, as I expected
2012-11-28T06:05:23 < Devilholk> I better eat something before I even think about the I2C-bus..
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2012-11-28T06:24:00 < dongs> zippe, did you see the A10 lulz
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2012-11-28T06:47:37 < zippe> dongs: not sure; which lulz did you have in mind?
2012-11-28T06:47:51 < dongs> looks like its gone from chat
2012-11-28T06:47:52 < dongs> one sec
2012-11-28T06:48:24 < dongs> After I discussed this A10-AES/DES issues with Allwinner's members, this HW engine was not
2012-11-28T06:48:28 < dongs> yet used/verified/proved on this A10's silicon until today. So far, they will take one month time to
2012-11-28T06:48:31 < dongs> look at this A10's AES/DES function. Also try to provide one driver to support this HW's Engine.
2012-11-28T06:48:51 < dongs> a10 has been around for how fucking long? and they didnt bother testing if AES core on it worked? :)
2012-11-28T06:49:18 < zippe> Yeah, that's not terribly surprising
2012-11-28T06:49:29 < zippe> If their lead customer wasn't planning on using it
2012-11-28T06:49:44 < zippe> DV for AES is kinda annoying
2012-11-28T06:50:03 < zippe> They probably just downloaded something from opencores and spammed it in
2012-11-28T06:50:33 < dongs> i think thats what emeb suggested :)
2012-11-28T06:50:53 < dongs> but they dont wanna share the docs for hte core either
2012-11-28T06:51:02 < dongs> cause the dudes here said we dont have a month to wait for your shit
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2012-11-28T06:53:01 < dongs> im surprised some filthy opensores dude havent re'd it and published openssl driver or osmethin for it
2012-11-28T06:53:17 < dongs> thats the way opensores works right? scratchin those itches
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2012-11-28T06:57:45 < zippe> AES hardware acceleration is usually a loss for SSL unless the hardware is buried in the packet processing engine
2012-11-28T06:58:22 < dongs> yeah, this is not for ssl
2012-11-28T06:58:33 < gxti> can now dump my SPI flash over HTTP, let's see if i can write to it before i fall asleep
2012-11-28T06:58:39 < dongs> its for stream,,, like ~80mbit of data
2012-11-28T06:58:47 < zippe> You waste so much time setting up the DMA that you might as well just pump the bytes through an optimised software implementation
2012-11-28T06:58:49 < dongs> software is too fucking slow
2012-11-28T06:58:57 < zippe> On the contrary
2012-11-28T06:59:22 < dongs> so you have software that will do 80mbit of AES on A10?
2012-11-28T06:59:25 < zippe> A well-tuned AES can do ~1 byte per cycle
2012-11-28T06:59:42 < zippe> So if by "me" you mean Ali Sazegari, then yes.
2012-11-28T07:00:00 < zippe> That's only 10 megabytes/second
2012-11-28T07:00:08 < dongs> yes
2012-11-28T07:00:25 < zippe> Or 1% of a 1GHz A8
2012-11-28T07:00:27 < dongs> but cpu is doing other shit.
2012-11-28T07:00:34 < zippe> Yeah, big woop
2012-11-28T07:00:44 < zippe> here's a better one
2012-11-28T07:01:00 < dongs> allwhiner FAEs dont think its possible with software
2012-11-28T07:01:38 < zippe> Can your VM wire and unwire 2560 pages per second? And how much of the CPU does that take?  Because that's what it's going to need if you're going to DMA it to an AES peripheral.
2012-11-28T07:01:58 < zippe> The cost of hardware acceleration is all the stupid trips you take up and down the stack to set the DMA up
2012-11-28T07:02:29 < zippe> Unless you can slipstream it into the DMA setup for the real work, it's all just a huge pain in the arse
2012-11-28T07:02:38 < zippe> Oh, double that number if you aren't en/decrypting in place.
2012-11-28T07:02:50 < dongs> page is what
2012-11-28T07:02:53 < zippe> 4KiB
2012-11-28T07:03:13 < dongs> isnt that shit running lunix? so i shouldnt give a fuck right?
2012-11-28T07:03:20 < zippe> It is, and you should.
2012-11-28T07:03:21 < dongs> (about memory allocation/wahtever)
2012-11-28T07:03:35 < dongs> arent DMA buffers fixed?
2012-11-28T07:03:36 < zippe> Because that's what the kernel is going to do
2012-11-28T07:03:43 < zippe> Nope.
2012-11-28T07:03:51 < zippe> How can you "fix" a DMA buffer?
2012-11-28T07:04:08 < zippe> Some user process says "here, dma this"
2012-11-28T07:04:11 < dongs> shrug, are you saying its location in memory is different for each work?
2012-11-28T07:04:12 < dongs> yeah
2012-11-28T07:04:24 < zippe> So first thing you have to do is nail it down so it doesn't get paged out
2012-11-28T07:04:57 < zippe> That means a trip into the VM to tell the VM to leave the page the hell alone.  Or to go get it from disk if it already kicked it out. Or to allocate a physical page if nobody has touched it yet.
2012-11-28T07:05:10 < zippe> It all depends on how they think they're going to use it.
2012-11-28T07:05:18 < zippe> "80Mbit stream" doesn't mean anything.
2012-11-28T07:05:39 < zippe> If it's coming in via wifi over USB, and going to a media player, for example
2012-11-28T07:05:58 < dongs> its from 2 mpegts ports.
2012-11-28T07:06:18 < zippe> It's probably going to come in to some USB buffer, get copied to a network buffer, get copied out to a user buffer, get copied in to the AES buffer, dma to / from the AES block, get copied back out to userland
2012-11-28T07:06:25 < dongs> but I can also see a use for DLNA/DTCP-IP.
2012-11-28T07:06:41 < zippe> I don't know how the TS ports are wired up
2012-11-28T07:07:01 < zippe> But you probably have to take the stream data out to userland and feed it to a stream parser before you know what has to be decrypted
2012-11-28T07:07:02 < dongs> yea, i see your point about shit getting copied over and over
2012-11-28T07:07:10 < zippe> Same if you are pulling via CIFS for DLNA
2012-11-28T07:07:51 < zippe> The single best thing you can do, if you are copying it out to userland, is to decrypt it as *soon* as you can, because the data will probably still be hot in the L2.
2012-11-28T07:08:06 < zippe> Do it in software with the best library you can find.
2012-11-28T07:08:36 < zippe> As I said, it *is* possible to do one byte a cycle. You aren't going to find code as smoking as Ali's, but a byte every two cyles is pretty doable.
2012-11-28T07:09:01 < dongs> nah its encrypt actually. and im not sure on specifics since the dudes just told me shit's failing 24 hours ago, but i think its post-ts input, ts demux, ts decrypt (jap crypto, lol), and AES it before it goes out.
2012-11-28T07:09:23 < dongs> ali is what, some crapple guy?
2012-11-28T07:09:24 < zippe> If you have to decrypt it cold, i.e. not in the L2, you're really going to hurt. I can't imagine the A10's memory system is anything to write home about.
2012-11-28T07:09:58 < zippe> Runs the vector and numerics team.  Can be a bit annoying, but his guys are the real deal.
2012-11-28T07:12:29 < zippe> Do you know offhand what the closed page critical word latency is for your setup?
2012-11-28T07:12:55 < dongs> no, i could probably find out if I knew how.
2012-11-28T07:13:13 < dongs> but I'd imagine its a standard allwhiner lunix setup so whatever it is, its that.
2012-11-28T07:13:14 < zippe> That's the worst-case L1/L2 miss latency (assuming no TLB miss)
2012-11-28T07:13:22 < zippe> lmbench numbers will tell you
2012-11-28T07:13:36 < zippe> Speaking of allwinner, did they sort out their patches? I heard Linus rejected them...
2012-11-28T07:15:11 < dongs> no idea, I wish I didnt have to deal with lunix at all :)
2012-11-28T07:21:10 < zippe> Looks like ~300ns closed page, 170ns open page.
2012-11-28T07:21:40 < zippe> That's pretty awful
2012-11-28T07:21:59 < zippe> Assuming a 400MHz fabric, which is typical-ish, that's 68 cycles.
2012-11-28T07:22:00 < zippe> Wow.
2012-11-28T07:22:01 < dongs> what does that mean in terms of this shit failing
2012-11-28T07:22:22 < zippe> It just means that you want to keep your working set in the L2 if at all possible
2012-11-28T07:22:35 < dongs> its TS so 188bytes
2012-11-28T07:23:06 < zippe> If you try to read a byte that isn't in the L2, you may stall for as much as 300ns
2012-11-28T07:23:44 < dongs> right
2012-11-28T07:23:48 < dongs> wow, that is shitty.
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2012-11-28T07:38:59 < dongs> attn zyp/zippe/baird https://youtube.com/watch?v=mO26RQkfID8
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2012-11-28T07:53:19 < zippe> dongs: thankyou, I'll send you one of these in thanks:
2012-11-28T07:53:20 < zippe> ww.theglamorouswoman.com/cheetahcatsuit.html
2012-11-28T07:54:25 < dongs> lulz
2012-11-28T07:54:31 < dongs> thats more baird's territory
2012-11-28T07:54:38 < dongs> not into furries
2012-11-28T07:54:40 < dongs> also: lol price
2012-11-28T07:54:52 < gxti> i have succeeded in doing something to the spi flash, but it wasn't writing something useful
2012-11-28T07:54:59 < gxti> might have to call it good enough for tonight
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2012-11-28T08:24:44 < zippe> ugh
2012-11-28T08:24:57 < zippe> qemu could be so good… but it's annoyingly bad when it fails
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2012-11-28T08:52:58 < dongs> kinda like all opensores software
2012-11-28T08:53:08 < dongs> ok when it works, but when it doesn't, you're fukd
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2012-11-28T09:16:39 < Tectu> can anyone tell me what this is?
2012-11-28T09:16:40 < Tectu> NVIC_ISER(n >> 5) = 1 << (n & 0x1F);
2012-11-28T09:17:53 < zippe> Looks like the NVIC interrupt mask calculation
2012-11-28T09:18:16 < zippe> where n is the interrupt
2012-11-28T09:20:00 < zyp> yep
2012-11-28T09:20:16 < zyp> «interrupt set enable register»
2012-11-28T09:23:18 < Tectu> ah
2012-11-28T09:23:19 < Tectu> thanks
2012-11-28T09:23:55 < Tectu> so I started to use these  «  »   as well, zyp, and the first thing I get on freenode: "are you indian? Those «   »  look indian."
2012-11-28T09:24:10 < zyp> hah
2012-11-28T09:26:16 < dongs> laff
2012-11-28T09:26:17 < Tectu> how do you deal with that, zyp?
2012-11-28T09:27:55 < zyp> deal? I don't find that to be a problem
2012-11-28T09:28:01 < dongs> tectu, those dont look kawaii enough for yo u
2012-11-28T09:28:02 < cdh> A little Gulab Jamun and everyone is getting along just fine.  http://allrecipes.com/recipe/gulab-jamun/
2012-11-28T09:28:50 < zyp> and if anything I'd just state that I am norwegian, and we usually use that kind in norway
2012-11-28T09:31:27 < dongs> i'd just call whoever is questioning my quotations usage "gay"
2012-11-28T09:31:30 < dongs> that usually shuts htemup
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2012-11-28T11:03:14 < dongs> http://ics.nxp.com/packaging/diamond/images/Match-Stick.jpg
2012-11-28T11:03:17 < dongs> cool package bro
2012-11-28T11:05:23 < dongs> my TV pal linked me to http://www.st.com/internet/imag_video/product/253784.jsp
2012-11-28T11:05:36 < dongs> ntfreak: does "target" in ST docs mean "we'll never make it"?
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2012-11-28T11:24:04 < zyp> that's what the mouseover explanation indicates
2012-11-28T11:24:16 < dongs> apparently evalboard exists
2012-11-28T11:24:20 < dongs> my tv guy is trolling it out.
2012-11-28T11:24:25 < zyp> «No commitment taken to produce.»
2012-11-28T11:24:44 < dongs> but some guy from ST was visiting today
2012-11-28T11:24:48 < dongs> and offering this shit
2012-11-28T11:24:53 < dongs> so i gues they're actively looking for customers
2012-11-28T11:25:11 < dongs> funny how they showed up right when I have this shit in progress
2012-11-28T11:25:21 < dongs> apparently it also has some MCU embedded
2012-11-28T11:25:30 < dongs> so the display driver shit could be a onechip solution
2012-11-28T11:25:44 < dongs> probably some shitty sT7 or stm8 core
2012-11-28T11:28:03 < zyp> oh, by the way, I found out yesterday that people finally fixed the os x drivers for nvidia 600 series, so now I can hook up more than two monitors to it
2012-11-28T11:28:21 < zyp> tempted to get one of those ipad panels for a third one
2012-11-28T11:28:35 < zyp> it was $60? where did you get it from?
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2012-11-28T11:36:15 < dongs> some chink place
2012-11-28T11:36:49 < dongs> gayvidia600 can do 2560x1600 over 3 ports?
2012-11-28T11:37:14 < dongs> zyp, why did you ask panel price btw
2012-11-28T11:37:19 < dongs> thats gonna be like 90-100 boards
2012-11-28T11:47:47 < zyp> uh, I obviously doesn't want that many :p
2012-11-28T11:50:14 < zyp> a better question would be «what would it cost to do a small run without waiting for other stuff to panelize it with?»
2012-11-28T11:50:59 < dongs> a hilarious answer: same as it would cost for 90 of them
2012-11-28T11:53:04 < dongs> exccept different shipping
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2012-11-28T13:44:51 < dongs> http://e2e.ti.com/support/dsp/omap_applications_processors/f/447/t/202676.aspx E2E
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2012-11-28T14:34:44 < dongs> holy FUCK
2012-11-28T14:35:11 < dongs> somone bought all of mic35152 off digikey
2012-11-28T14:35:11 < dongs> and delivery date is 2/20/2013
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2012-11-28T14:50:05 < dongs> i still dont have the bullshit power setup figured out ugh
2012-11-28T14:50:14 < dongs> with MIC reg gone now i gotta look for trash agian
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2012-11-28T15:19:25 < dongs> useless fucking faggot shit opensores network
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2012-11-28T15:46:10 < zyp> dongs, stop stepping on your network cable, you're obstructing the data flow
2012-11-28T15:48:11 < dongs> ya my network is totally fine
2012-11-28T15:48:13 < dongs> i blame joose
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2012-11-28T15:57:16 < dongs> fuck
2012-11-28T15:58:16 < dongs> http://www.componentsdirect.com/micrel-mic35152wd-low-dropout-voltage-regulator.html
2012-11-28T15:58:21 < dongs> who the hell are these scammers
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2012-11-28T16:00:04 < dongs> oh i wonder if micrel sells this shit direct
2012-11-28T16:01:26 < dongs> there was fucking thousands in stock who the HELL bought all of htem
2012-11-28T16:02:37 < Laurenceb> crapple
2012-11-28T16:02:46 < dongle> haha
2012-11-28T16:03:00 < Laurenceb> http://www.theregister.co.uk/2012/11/28/japanese_firm_fasotec_offers_3d_printed_embryos/
2012-11-28T16:03:03 < Laurenceb> wtf japan
2012-11-28T16:07:00 < dongs> no fucking way.
2012-11-28T16:07:11 < dongs> the other DC/DC module i wanted is ALSO out of stock
2012-11-28T16:07:32 < dongs> what the fuck someone is fucking trolling me
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2012-11-28T16:18:18 < dongs> http://www.digikey.com/product-detail/en/LTM4619IV%23PBF/LTM4619IV%23PBF-ND/2136217 uhhhh yaaaaaaaaaa
2012-11-28T16:24:59 < dongs> glossy-white rage
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2012-11-28T16:37:42 < dongs> Atmel Studio 6: Bringing Convenience of Apps Store to Embedded Design
2012-11-28T16:37:43 < dongs> wat
2012-11-28T16:38:14 < jpa-> fart app for my arduino!
2012-11-28T16:38:22 < jpa-> i just need to buy the fart shield to run it
2012-11-28T16:38:32 < dongs> sweet
2012-11-28T16:39:20 < jpa-> i wonder if the fart shield will stack up with the instragram shield
2012-11-28T16:41:05 < jpa-> http://www.embeddedcodesource.com/  apparently microchip did the same already a year ago
2012-11-28T16:43:12 < Laurenceb> www.tkn.tu-berlin.de/fileadmin/fg112/Papers/hoene_paper2.pdf
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2012-11-28T16:45:46 < dongs> fuck this. going to sleep. death to america.
2012-11-28T16:46:14 < Laurenceb> is arduino wifi sheild open source?
2012-11-28T16:48:28 < jpa-> yes
2012-11-28T16:48:48 < jpa-> https://github.com/arduino/wifishield/tree/master/firmware/wifiHD/src
2012-11-28T16:49:11 < Laurenceb> ooh
2012-11-28T16:49:21 < Laurenceb> wonder if i could make position determination work
2012-11-28T16:50:37 < zyp> no, you can't
2012-11-28T16:51:10 < Laurenceb> lul.. why?
2012-11-28T16:51:11 < jpa-> the wifi stack is on the HDG104
2012-11-28T16:51:23 < Laurenceb> oh
2012-11-28T16:51:32 < Laurenceb> wtf does all the firmware do?
2012-11-28T16:51:41 < Laurenceb> make it n00b friendly?
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2012-11-28T16:52:14 < Laurenceb> hmm seems it does
2012-11-28T16:52:16 < Laurenceb> fail
2012-11-28T16:52:24 < jpa-> it's a brillant design: arduino has a library that talks custom text-based protocol to avr32 that runs ip-stack and talks custom binary protocol to HDG104 that runs the 802.11g stack
2012-11-28T16:52:31 < Laurenceb> oh god
2012-11-28T16:52:54 < Laurenceb> ah well its a work project
2012-11-28T16:53:16 < Laurenceb> so we'll just get an NDA and grab a chipset with a bunch of drivers
2012-11-28T16:53:36 < jpa-> also included on the shield: two kinds of eeprom, SPI and I2C based
2012-11-28T16:53:42 < Laurenceb> lol
2012-11-28T16:53:59 < Laurenceb> the idea was to do position determination for mine rescue
2012-11-28T16:54:08 < Laurenceb> they have 802.11a/b down there
2012-11-28T16:54:34 < emeb_mac> yay - another mine rescue project
2012-11-28T16:54:47 < Laurenceb> so a custom board in the helmet that ping back with time of flight info
2012-11-28T16:54:55  * emeb_mac was involved in a packet-based mine rescue radio project a few years back
2012-11-28T16:55:08 < jpa-> and also a SD card holder, of course
2012-11-28T16:55:14 < Laurenceb> seems its all gone 802.11 nowadays
2012-11-28T16:55:41 < emeb_mac> I guess that works assuming you have a clear tunnel
2012-11-28T16:55:56 < Laurenceb> well you can calibrate it
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2012-11-28T16:56:32 < emeb_mac> if you have a cave-in though the RF can't get through the rock
2012-11-28T16:56:47 < Laurenceb> sagrad sg901-1091 has stm32 drivers
2012-11-28T16:56:47 < karlp> "where are they?" "far away"
2012-11-28T16:56:54 < Laurenceb> but NDA  :(
2012-11-28T16:56:59 < emeb_mac> the one I worked on depended on a special magnetic-mode antenna
2012-11-28T16:57:04 < karlp> Laurenceb: any reason not to just use a linux router?
2012-11-28T16:57:17 < Laurenceb> strapped to someones head ?!
2012-11-28T16:57:21 < emeb_mac> huge coil tha worked at kHz frequencies
2012-11-28T16:57:31 < Laurenceb> ah
2012-11-28T16:57:33 < karlp> Laurenceb: they don't all have to be as big as the router,
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2012-11-28T16:57:44 < karlp> if you leave the ethernet switch off, you can run the same software, with the same parts,
2012-11-28T16:57:50 < Laurenceb> sg901-1091 is 9mm square
2012-11-28T16:58:04 < Laurenceb> and we could get the stm32 codez for it
2012-11-28T16:58:04 < karlp> plus the antenna, plus the stm32 and whatever else you want.
2012-11-28T16:58:42 < Laurenceb> emeb_mac: you could reconstruct the trace before the cave in
2012-11-28T16:59:10 < Laurenceb> asking a mine to install a ton of new base stations wouldnt go down well
2012-11-28T16:59:12 < karlp> carambola for instance is tiny, and already working, and is 35x45mm
2012-11-28T16:59:12 < emeb_mac> Laurenceb: true. like a video record
2012-11-28T16:59:16 < karlp> just needs power.
2012-11-28T16:59:28 < Laurenceb> karlp: interesting
2012-11-28T16:59:53 < karlp> you can hack the kernel drivers to do whatever custom shit you want.
2012-11-28T16:59:55 < emeb_mac> environmental aspects are "interesting"
2012-11-28T16:59:56 < jpa-> Laurenceb: asus wl330ge is 86x62x17mm and is supported by openwrt
2012-11-28T17:00:15 < emeb_mac> EMI noise from heavy equipment, dirt, water, heat.
2012-11-28T17:00:34 < Laurenceb> carambola looks good
2012-11-28T17:00:40 < karlp> emeb_mac: nah, you can fix all that "in software"
2012-11-28T17:00:45 < karlp> ;)
2012-11-28T17:00:52 < emeb_mac> plus of course miners aren't likely to be too careful with their equipment.
2012-11-28T17:01:06 < Laurenceb> unlikely to be too much noise at 2.4ghz
2012-11-28T17:01:12 < karlp> hahah
2012-11-28T17:01:14 < emeb_mac> so it's gotta be build like military gear.
2012-11-28T17:01:22 < Laurenceb> yes
2012-11-28T17:01:31 < Laurenceb> pot it under vacuum
2012-11-28T17:01:35 < Laurenceb> i have kit for that
2012-11-28T17:01:41 < karlp> that's ok, personal safety + mining means they pay like military too
2012-11-28T17:01:51 < Laurenceb> exactly
2012-11-28T17:01:52 < emeb_mac> ie crap
2012-11-28T17:01:58 < Laurenceb> lol
2012-11-28T17:02:15 < Laurenceb> "Carambola can act as an Arduino shield"
2012-11-28T17:02:20 < Laurenceb>  *facepalm*
2012-11-28T17:02:35 < karlp> well, it _can_
2012-11-28T17:02:43 < karlp> and if they sell some extra for that, so be it .)
2012-11-28T17:03:01 < Laurenceb> USB host / client
2012-11-28T17:03:04 < Laurenceb> wow not bad
2012-11-28T17:03:41 < karlp> it's a pretty recent ralink soc.
2012-11-28T17:03:45 < Laurenceb> http://www.carambola.cc/wp-content/uploads/2011/07/CarambolaCore.png
2012-11-28T17:03:52 < Laurenceb> whats that to the left of the ufl  ?
2012-11-28T17:03:56 < emeb_mac> ever see the movie "Best Defense"?
2012-11-28T17:04:08 < karlp> space for a chip antenna I guess?
2012-11-28T17:04:08 < emeb_mac> Eddie Murphy, Dudley Moore.
2012-11-28T17:04:28 < Laurenceb> oh
2012-11-28T17:04:32 < Laurenceb> its a footprint
2012-11-28T17:04:45 < Laurenceb> thought it was a 5GHz antenni or something :P
2012-11-28T17:04:46 < emeb_mac> About an engineer designing military gear in a defense corp. and the political crap that goes on.
2012-11-28T17:06:36 < emeb_mac> is the bold white outline for an RF shield?
2012-11-28T17:06:51 < emeb_mac> w/ only two mounting holes? Seems like not enough.
2012-11-28T17:07:18 < karlp> emeb_mac: the atheros soc on my desk has that white frame thing,
2012-11-28T17:07:25 < karlp> it doesn't get an rf shield mounted on it
2012-11-28T17:07:29 < karlp> it's something in the ref desgin
2012-11-28T17:07:36 < karlp> it's not white, it's copper
2012-11-28T17:07:42 < emeb_mac> heh - "do exactly what we did inside the lines"
2012-11-28T17:07:50  * karlp shrugs
2012-11-28T17:08:03 < emeb_mac> otherwise we won't help you if it breaks - implied
2012-11-28T17:08:10 < karlp> not something I get involved in, we oem'd the router platforum, just stuck a daughterboard on it.
2012-11-28T17:08:38  * emeb_mac used to work on WiFi chipsets. Customer support on that is a nightmare.
2012-11-28T17:08:50 < karlp> hehe
2012-11-28T17:08:52 < karlp> I can imagine.
2012-11-28T17:13:24 < karlp> jpa-: that asus 330gE, is that a ralink soc as well? it's not in the openwrt table of hardware
2012-11-28T17:13:58 < jpa-> no, BCM5354
2012-11-28T17:14:48 < jpa-> but carambola looks way cooler and is cheap also
2012-11-28T17:22:07 < karlp> carambola doesn't have the eth jack though in the basic module, depending on what you're building.
2012-11-28T17:23:35 < karlp> omnima sells this too: http://omnima.co.uk/store/catalog/MiniEMBWiFi-p-16180.html
2012-11-28T17:24:11 < karlp> they even make an stm32 expander board for it :)
2012-11-28T17:24:45 < jpa-> i wonder why they all only include 8MB flash
2012-11-28T17:24:57 < karlp> 8meg flash is heaps
2012-11-28T17:25:02 < jpa-> not with linux
2012-11-28T17:25:05 < karlp> sure
2012-11-28T17:25:21 < karlp> stick the rest on usb if you really need jumbo things.
2012-11-28T17:25:29 < karlp> our image is only just over 4meg
2012-11-28T17:27:34 < jpa-> would make basic development easier if one doesn't have to use squashfs for root
2012-11-28T17:27:53 < karlp> how so?
2012-11-28T17:28:09 < karlp> the jffs2 overlays doesn't work for you?
2012-11-28T17:28:32 < jpa-> works, but is a bit of hassle (and jffs2 acts very annoying when disc fills up)
2012-11-28T17:28:53 < jpa-> i just think that 32MB flash probably wouldn't cost that much more
2012-11-28T17:29:01 < Laurenceb> looks like it will run off just 5v
2012-11-28T17:29:05 < karlp> I guess.  I just do the vast majority of the development on my own laptop, rather than on the device.
2012-11-28T17:29:24 < karlp> doesn't cost _much_ more, but still more.
2012-11-28T17:29:30 < jpa-> true
2012-11-28T17:29:36 < karlp> at least until they can get spares/surplus from phones or something
2012-11-28T17:29:47 < karlp> gotta use up the world's supply of obsolete memory
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2012-11-28T18:06:49 < zyp> hmm, time to put some more work into msc code
2012-11-28T18:07:02 < zyp> got a hardfault today too, need to figure out what's causing it
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2012-11-28T18:15:17 < Laurenceb> http://shieldlist.org/templates/images/stacked-shields.jpg
2012-11-28T18:15:51 <+Steffanx> Don't see what's wrong with it
2012-11-28T18:17:28 < zyp> hmm, ouch
2012-11-28T18:19:26 <+Steffanx> You do zyp ?
2012-11-28T18:19:48 <+Steffanx> Except for it not being very compact, but that doesn't matter most of the time
2012-11-28T18:19:53 < zyp> something is overwriting my .data segment with garbage
2012-11-28T18:20:25 <+Steffanx> oh :)
2012-11-28T18:21:15 < zyp> no, .bss
2012-11-28T18:21:31 -!- daku is now known as DaKu
2012-11-28T18:22:49 < zyp> some pointers get overwritten, and then it hardfaults on the next pointer access
2012-11-28T18:23:25 < zyp> time to test watchpoints
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2012-11-28T18:27:21 < zyp> hrm, failed without hitting the watchpoint
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2012-11-28T19:14:19 < zyp> hmm, problem went away when I started searching for it :p
2012-11-28T19:18:09 < jpa-> interesting read http://queue.acm.org/detail.cfm?id=2349257
2012-11-28T19:22:24 < zyp> yeah, I've read that before
2012-11-28T19:25:29 < karlp> upvote anything that rags on autotools
2012-11-28T19:25:53 < zyp> :p
2012-11-28T19:27:04 < jpa-> i'm so glad we have autotools on stlink now ,)
2012-11-28T19:28:53 < karlp> ohyeah, me to, I love autotools
2012-11-28T19:30:28 < zyp> hmm, SD cards have some fun speed modes
2012-11-28T19:30:38 < zyp> only one DDR mode, and it's not the fastest one
2012-11-28T19:30:58 < zyp> fastest mode is SDR @ 208 MHz
2012-11-28T19:31:04 < zyp> DDR is only 50 MHz
2012-11-28T19:31:28 < zyp> and there is also a SDR 100 MHz mode just as fast as that
2012-11-28T19:34:55 < jpa-> lately i have been quite unsure whether contributing/continuing with nuttx makes sense; on one hand, it has a lot of crap in it; on the other hand, it is quite unique in many ways
2012-11-28T19:35:48 < jpa-> i guess it also depends on the future of microcontroller market; will there be any point running complex systems on small chips, when you can just run full-blown linux on just a bit bigger chip
2012-11-28T19:39:03 < zyp> depends on what you are doing
2012-11-28T19:39:28 < zyp> probably easier to not use linux if you want realtime performance
2012-11-28T19:39:34 < jpa-> indeed
2012-11-28T19:39:54 < jpa-> but on the other hand, could just separate the GUI stuff to linux, and keep only the realtime stuff on STM32
2012-11-28T19:40:08 < zyp> yep, that makes sense
2012-11-28T19:40:10 < jpa-> possibly even use a cheap tablet as the frontend
2012-11-28T19:40:26 < zyp> the vybrid chips are a bit interesting that way
2012-11-28T19:41:42 < jpa-> but on the other hand, complex systems have been built on small devices for ages; there's no reason why it has to be that much harder
2012-11-28T19:42:33 < jpa-> and in some ways microcontroller systems are so much simpler and more predictable than more complex systems
2012-11-28T19:43:06 < emeb> +1
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2012-11-28T19:49:32 < ds2> extrapolating that... pure hardware systems are even more predictable ;)
2012-11-28T19:50:07 < jpa-> they are, indeed.. but they also lose in the debuggability
2012-11-28T19:50:54 < jpa-> (well, depends.. there exists impossible to debug software and easy to debug hardware :)
2012-11-28T19:51:38 < ds2> hw can be easier to debug then sw
2012-11-28T19:52:18 < ds2> you can see or sensor problems in HW... can't always do that with SW
2012-11-28T19:52:25 < jpa-> yeah, it's really difficult to compare
2012-11-28T19:52:41 < ds2> *nod*
2012-11-28T19:54:56 < jpa-> going with nuttx has been an interesting ride.. whatever i try to do, it seems there is some bug in the system; but on the other hand, every time the bug has been easy to find in less than a day
2012-11-28T19:55:30 < jpa-> based on this i might judge it either "horrible buggy piece of shit" or "great potential with a few easy problems"
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2012-11-28T20:50:17 < upgrdman_> why do many dmm probe tips have torii cut into them near the very tip?
2012-11-28T20:52:00 < zyp> hrm
2012-11-28T20:52:11 < gxti> so you can fit tools over them
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2012-11-28T20:52:26 < zyp> now thing fails because I get garbage in the rxfifo
2012-11-28T20:52:32 < gxti> e.g. alligator clips
2012-11-28T20:52:34 < upgrdman_> tips are tools... what would you want to attached to the tip?
2012-11-28T20:52:39 < upgrdman_> o
2012-11-28T20:52:48 < upgrdman_> hmmm. ok
2012-11-28T20:52:58 < gxti> http://www.grainger.com/Grainger/FLUKE-Alligator-Clip-Set-3MU81
2012-11-28T20:53:00 < gxti> like those
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2012-11-28T20:53:04 < gxti> they slide over the tip
2012-11-28T20:53:20 < upgrdman_> gotcha
2012-11-28T20:59:30 < jpa-> i always thought it was so that they nicely rest against a wire
2012-11-28T20:59:53 < gxti> yes, it's handy for other reasons too
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2012-11-28T21:09:40 < zippe> You can twist wires around them
2012-11-28T21:09:49 < zippe> Alligator clips don't slide off them
2012-11-28T21:34:57 < zyp> hmm
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2012-11-28T21:35:35 < zyp> for some reason usb analyzer software thinks I've only got 16 GB RAM
2012-11-28T21:35:45 < zyp> and only let's me use 80% of that for a capture buffer
2012-11-28T21:37:29 < ds2> 16G? 64bit machine?
2012-11-28T21:37:36 < zyp> of course
2012-11-28T21:37:40 < zyp> I've got 32G
2012-11-28T21:37:57 < ds2> sure the kernel is setup to allow for that much memory?
2012-11-28T21:38:12 < ds2> that much per process that is
2012-11-28T21:38:32 < gxti> on 64 bit?
2012-11-28T21:39:56 < zyp> ds2, haven't been a problem before
2012-11-28T21:41:43 < zyp> still doesn't explain why the software only reports half the memory and only let's me use 80% of that again
2012-11-28T21:45:14 < zyp> hmm, I can probably turn off «capture bit-level timing»
2012-11-28T21:45:53 < zyp> no, I'm apparently not allowed to change that option
2012-11-28T21:46:30 <+Steffanx> You have to capture that much??
2012-11-28T21:47:00 < emeb> he's expecting a lot of bugs in his USB driver
2012-11-28T21:47:06 < zyp> I'm capturing a file copy operation
2012-11-28T21:47:30 < ds2> stop copying large files ;)
2012-11-28T21:47:49 < ds2> zyp: this is the 480, right?
2012-11-28T21:47:58 < zyp> copy operation is currently at 174MB transferred, got over 6G in buffer, and I cleared it a while after starting the copy
2012-11-28T21:48:09 < zyp> ds2, yes, but I'm only running in FS mode
2012-11-28T21:48:27 < ds2> zyp: is this the same version of the sw that used to work?
2012-11-28T21:48:29 < zyp> HS is probably even more fun
2012-11-28T21:48:33 < zyp> huh?
2012-11-28T21:48:40 < zyp> this software always reported 16G
2012-11-28T21:48:46 < ds2> i.e. did you upgrade the sw
2012-11-28T21:50:49 < zyp> hmm
2012-11-28T21:51:02 < zyp> the card is only writing at 160 kB/s
2012-11-28T21:52:11 < zyp> looks like the card itself is the bottleneck
2012-11-28T21:52:23 < zyp> most of the time is spent waiting for the card to de-assert busy status
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2012-11-28T21:53:44 < zyp> card is busy for >2ms for every 512B block write
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2012-11-28T21:54:30 < zyp> http://bin.jvnv.net/f/e16v1.png
2012-11-28T21:55:42 < Laurenceb_> write single block command?
2012-11-28T21:55:48 < zyp> the gaps in the clock is time spent receiving a new block over usb, the bursts on the data lines are the actual data transfer, and the D0 low period is card busy
2012-11-28T21:56:48 < Laurenceb_> that doesnt look right
2012-11-28T21:56:51 < Laurenceb_> too slow
2012-11-28T21:57:05 < zyp> probably just a shitty card :p
2012-11-28T21:57:19 < zyp> it's some noname 1G shit
2012-11-28T21:57:36 <+Steffanx> that many shit
2012-11-28T21:57:44 < Laurenceb_> try multisector write
2012-11-28T21:58:21 < zyp> nah, the code is messy enough as it is
2012-11-28T21:58:43 <+Steffanx> As long as it works :P
2012-11-28T21:58:53 < zyp> but I'm planning on picking up a couple more cards tomorrow
2012-11-28T21:59:08 < zyp> preferrably both SDSC and SDHC
2012-11-28T21:59:13 <+Steffanx> Or just order some online, like a real nerd
2012-11-28T21:59:45 < zyp> if I order them online, I won't have them tomorrow
2012-11-28T22:00:54 <+Steffanx> oh, it's already 21.00 :P
2012-11-28T22:01:46 < zyp> I was considering going out and getting some a hour and a half ago
2012-11-28T22:02:13 < zyp> but the last store I could think of that sell SD cards here closed 19:00 :p
2012-11-28T22:03:03 <+Steffanx> Here many (online) stores have this fancy order before x.00, have it tomorrow policy
2012-11-28T22:03:09 <+Steffanx> For some that's like .. 21.00
2012-11-28T22:05:01 < zyp> oh well
2012-11-28T22:05:15 < zyp> copying a 236MB file to the card was successful
2012-11-28T22:06:34 < zyp> reading it back failed after four seconds :D
2012-11-28T22:06:42 < emeb> :(
2012-11-28T22:07:18 < zyp> hmm, same error as the one I previously observed
2012-11-28T22:07:30 < zyp> garbage in the usb rx fifo
2012-11-28T22:08:37 < zyp> and my code fails when trying to parse that as a valid fifo status word
2012-11-28T22:11:22 < zyp> I wonder if the core is grumpy because I block the rx part of my stack so it stops monitoring rx events while sending 2049 packets in the other direction :p
2012-11-28T22:11:53 < zyp> but it shouldn't matter
2012-11-28T22:12:13 < zyp> there is no rx activity anyway
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2012-11-28T22:16:49 < TitanMKD> hello
2012-11-28T22:17:21 < zyp> hi
2012-11-28T22:18:22 < emeb> ho
2012-11-28T22:27:43 < zyp> wtf
2012-11-28T22:27:58 < zyp> http://paste.jvnv.net/view/jKFB6
2012-11-28T22:28:15 < zyp> not only does it get corrupted, but it happens continously
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2012-11-28T22:45:23 < ds2> on the f103, the most of the GPIO's are inputs or high z on power on, right?
2012-11-28T22:47:09 < zyp> I believe all except jtag pins are configured as digital inputs
2012-11-28T22:47:29 < ds2> excellent...
2012-11-28T22:47:44 < ds2> so minimal chance of frying things -- preparing for a bring up
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2012-11-28T23:40:05 < Laurenceb_> grrr
2012-11-28T23:40:10 < Laurenceb_> stupid lenovo thinkpads
2012-11-28T23:40:21 < Laurenceb_> monitor mode isnt supported on wlan0
2012-11-28T23:40:32 < Laurenceb_> so i cant test wifi time of flight code
2012-11-28T23:40:55 < Laurenceb_> http://wireless.kernel.org/en/users/Drivers/rt2800pci  <- looks encouraging for the RT3050
--- Day changed Thu Nov 29 2012
2012-11-29T00:34:20 < scrts> hmm, rt3050 is a SoC
2012-11-29T00:34:24 < scrts> afaik, no?
2012-11-29T00:34:32 < scrts> Laurenceb_ -> maybe using Carambola? :)
2012-11-29T00:34:36 < scrts> but it's RT3052..
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2012-11-29T00:45:50 < dongs> haha,
2012-11-29T00:45:51 < dongs> We now have the New ver3 LINK program ready to distribute that supports our new Smart Averaging Channel expansion system. Called the ISA-10, it consists of a DEPAC designed IBM PC ISA slot expansion card and a remote 10 Channel plug box (see Picture).
2012-11-29T00:46:02 < dongs> http://www.depac.com/images/isa-10xx.jpg "new" "ISA" boards in 2012
2012-11-29T00:46:07 < dongs> i wonder what do you plug them into
2012-11-29T00:46:51 < zyp> flyback would love that
2012-11-29T00:47:02 < Laurenceb_> <scrts>   yes
2012-11-29T00:47:07 < zippe> dongs: lots and lots of industrial PCs
2012-11-29T00:47:10 < Laurenceb_> well no, thinking of
2012-11-29T00:47:18 < Laurenceb_> its very power hungry :(
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2012-11-29T00:56:10 < dongs> zippe, lots of  drama in OP lol
2012-11-29T00:56:45 < zippe> I guess.  I confirmed what I suspected and then left.
2012-11-29T00:56:52 < dongs> im still reading
2012-11-29T00:56:54 < dongs> lots of scroll, heh
2012-11-29T01:07:38 < Laurenceb_> openpilot is hilarious
2012-11-29T01:08:32 < dongs> do tell
2012-11-29T01:12:34 <+Steffanx> it's actually not open
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2012-11-29T01:19:03 < dongs> Live PCB Webinar – Reduce Your Product Costs
2012-11-29T01:19:12 < dongs> every time I see the word "webinar" i want to stab
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2012-11-29T01:23:04 <+Steffanx> You can always bang your head to the wall if there is no one to stab
2012-11-29T01:23:21 <+Steffanx> *against
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2012-11-29T01:30:09 < l4cr0ss> anyone familiar with the atollic IDE able to help me figure out why I'm having trouble including the stm32 touch sensing library
2012-11-29T01:33:28 < dongs> you should probably contact support@atollic for that.
2012-11-29T01:33:33 < dongs> i thin most dudes here use freetard stuff.
2012-11-29T01:35:07 < l4cr0ss> ill send them an email
2012-11-29T01:39:59 <+Steffanx> Aren't you here for the commercial stuff dong$ ?
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2012-11-29T01:42:29 < gxti> my code is made of off-by-one errors, stacked on top of each other
2012-11-29T01:45:53 < emeb> help me off-by-one, you're my only hope.
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2012-11-29T02:14:01 < gxti> woo, successfully stacked all those off-by-one errors so they cancel each other out. now i can at least upload and download firmware images, although downloading is slooooooooow.
2012-11-29T02:14:27 < gxti> must learn the dark secrets of lwip
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2012-11-29T02:18:25 < ds2> any C++ people have a comment/opinion - if bar is a class containing a method foo... can I do printf("%p", foo->bar) and always get the actual function address of the method? reason I ask is this does not seem to be well defined if bar is overloaded
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2012-11-29T02:41:47 < dongs> what do you think happens if its overloaded?
2012-11-29T02:44:06 < dongs> ..
2012-11-29T02:44:07 < dongs> what
2012-11-29T02:44:35 < dongs> no you dont
2012-11-29T02:44:40 < dongs> you're a fucking cockgobbler
2012-11-29T02:44:45 < dongs> you only need to load a pattern
2012-11-29T02:44:55 < dongs> you can also cache just the samples used in only that pattern
2012-11-29T02:44:59 < dongs> yes
2012-11-29T02:48:04 < dongs> im pretty sure every mod player on C64 disagrees
2012-11-29T02:48:07 <+Steffanx> Didn't you mother tell you not to use words like that mr dongs?
2012-11-29T02:48:16 <+Steffanx> cockglobbler ..
2012-11-29T02:54:32 < gxti> rooster glue
2012-11-29T02:55:49 <+Steffanx> Everyone on IRC has problems flyback-
2012-11-29T02:57:41 < gxti> Steffanx: i don't know what it is about the electronics channels, but i guess it's always the same people so maybe just luck
2012-11-29T02:58:01 < dongs> flyback-: not without external sram
2012-11-29T02:58:27 <+Steffanx> *luck* gxti :P
2012-11-29T02:58:40 < gxti> or a consistent lack of policing :|
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2012-11-29T03:00:35 < ds2> donno, hence the question
2012-11-29T03:01:07 < ds2> overloaded would suggests there are 2 possible real functions
2012-11-29T03:01:08 < ds2> '
2012-11-29T03:01:28 < dongs> right
2012-11-29T03:01:32 < dongs> (or more)
2012-11-29T03:01:38 < ds2> yes
2012-11-29T03:01:52 < gxti> i honestly don't know much about what happens just getting the pointer to a function like that
2012-11-29T03:02:03 < dongs> well, it works fine in C
2012-11-29T03:02:06 < gxti> been doing python too long, where the answer is too simple :P
2012-11-29T03:02:10 < ds2> (needless to say, I have C++)
2012-11-29T03:02:20 < ds2> yes, in C, it works great for debugging.
2012-11-29T03:02:31 < ds2> combine that with __builtin_return_address and life is great
2012-11-29T03:02:41 < dongs> printf debugging eh? :)
2012-11-29T03:03:00 < ds2> sure.... you want to setup a debugger for Android itself?
2012-11-29T03:03:00 < ds2> ;)
2012-11-29T03:03:13 < dongs> well, android, there's your problem
2012-11-29T03:03:24 <+Steffanx> 'opensores'
2012-11-29T03:03:30 < ds2> yes, indeed
2012-11-29T03:03:47 < ds2> think I have a fix... or at least found a problem
2012-11-29T03:03:53 < ds2> totally by chance too :D
2012-11-29T03:04:10 < ds2> monta-carlo malloc corruption debugging!
2012-11-29T03:05:03 < dongs> im poking my IRC C++ experts on this, as im also curious.
2012-11-29T03:05:10 < ds2> hehe
2012-11-29T03:05:25 < dongs> apparently
2012-11-29T03:05:26 < ds2> that was many hours of objdump/readelf/etc
2012-11-29T03:06:12 < dongs> the way is to have a const function pointer.
2012-11-29T03:06:25 < dongs> i.e. typedef yourfunc(blah) const;
2012-11-29T03:06:42 < dongs> then yourfuncptr blah = &class->foo;
2012-11-29T03:06:48 < dongs> then you can printf blah wiht %p
2012-11-29T03:07:21 < dongs> btw, did your printf(foo->bar) actually compile?
2012-11-29T03:08:02 < ds2> didn't actually try it as I realize I am adding more uncertainity to my debugging
2012-11-29T03:08:09 < dongs> ok.
2012-11-29T03:08:39 < ds2> Ohhh I see what you did there... by creating a function pointer, that forces c++ to match it to that and select the right version
2012-11-29T03:08:45 < dongs> yes
2012-11-29T03:09:06 < ds2> i will try that next time...
2012-11-29T03:12:33 < dongs> im sure zyp will have a C++11 one-liner that will autogenerate a proper function pointer for printing...
2012-11-29T03:13:46 <+Steffanx> heh
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2012-11-29T03:15:41 < dongs> pffft macfag
2012-11-29T03:17:24 < ds2> heheh
2012-11-29T03:24:39 < dongs> ds2: http://siyobik.info.gf/main/pastebin/view/0/308
2012-11-29T03:41:43 < ds2> dongs: cool.
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2012-11-29T03:49:46 < gxti> dear god this lwip thing is slow, but i have a working "filesystem". watching a 78K PNG load at 42.6bytes/sec is painful.
2012-11-29T03:50:22 < dongs> you sure its lwip?
2012-11-29T03:50:40 < gxti> either that or the way i'm using it
2012-11-29T03:51:08 < gxti> i'm sending 64 bytes at a time and it takes 1.5 seconds to send each chunk
2012-11-29T03:51:12 < dongs> <bitgod> i think the first thing im gonna make when i buy my parts is a cock circuit
2012-11-29T03:51:27 < gxti> obviously lwip is intrinsically capable of doing much better than that
2012-11-29T03:51:49 < gxti> seems like it's waiting for something to timeout before it actually writes the data
2012-11-29T04:05:54 < qyx_> gxti: you have something wrong, i was able to get ~700KB/s in 256B chunks
2012-11-29T04:05:58 < qyx_> on F1
2012-11-29T04:06:51 < gxti> wireshark shows that every single segment, the ack gets lost and has to be retransmitted
2012-11-29T04:07:18 < gxti> maybe more IRQ/thread priority shenanigans
2012-11-29T04:17:55 < gxti> actually more like segment N gets lost, segment N+1 shows up successfully, client has to ask for a retransmit
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2012-11-29T05:26:09 < dongs> https://pbs.twimg.com/media/A81kNikCAAAb58g.jpg:large
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2012-11-29T06:11:21 < fergusnoble_> hey, sorry cross-posting from #libopencm3, has anyone ever experienced occasional FEIFs on a mem->peripheral DMA transfer on the F4 in direct mode?
2012-11-29T06:12:11 < fergusnoble_> the ds says this is because "an underrun condition may occur if the memory bus has not been granted before a peripheral request occurs" but I have no idea how to work around that, clearing the bit quickly doesn't seem to help
2012-11-29T06:12:53 < fergusnoble_> the error also occurs in FIFO mode, and the peripheral in question is the USART
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2012-11-29T06:18:19 < dongs> i dunno, i use dma on f1/f4 and usart and zero issues..
2012-11-29T06:18:32 < dongs> well, it would help if you stick around the chat for more than 30 seconds, FUCKER
2012-11-29T06:21:33 < Bird|lappy> poofers *sigh*
2012-11-29T06:22:10 < dongs> just handsoldered 67 0.1uf bypasscaps, rage
2012-11-29T06:22:21 < emeb> fuuuuuunnnnnn
2012-11-29T06:22:30 < gurgalof> which is the best way to use I2C on a stm32f100, interrupt or DMA?
2012-11-29T06:22:59 < dongs> lol, probably neither
2012-11-29T06:23:06 < dongs> interrupt seems to work ok if youre careful.
2012-11-29T06:23:13 < dongs> DMA is probably just a waste of a channel.
2012-11-29T06:24:02 < gurgalof> and polling is meh.
2012-11-29T06:24:39 < gurgalof> well i haven't used any DMA channels so DMA it is
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2012-11-29T06:29:41 < Bird|lappy> gurgalof, polling is meh unless you're dealing with the floppy :P
2012-11-29T06:30:03 < Bird|lappy> there's some goofy reason on today's PC HW that makes interrupt driven or DMA driven floppy operation bad
2012-11-29T06:30:29 < gxti> it's probably the part where it's a floppy
2012-11-29T06:31:32 < gurgalof> I don't use floppys anymore
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2012-11-29T06:33:14 < Bird|lappy> xD
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2012-11-29T07:06:38 < dongs> man i must be stoned
2012-11-29T07:06:43 < dongs> triple-checked a qfp48
2012-11-29T07:06:48 < dongs> then soldered it at 90" off.
2012-11-29T07:11:03 < Bird|lappy> whoopsie!
2012-11-29T07:14:27 < dongs> rework did OK thou
2012-11-29T07:16:01 < dongs> tehy need to make ICs that work soldered in any direciton
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2012-11-29T07:30:13 < dongs> fergusnoble_: i answered your question while you were /ragequit
2012-11-29T07:31:25 < fergusnoble_> sorry, my internet is spotty and my irc bouncer isn't working atm
2012-11-29T07:34:30 < emeb_mac> dongs: hot air to the rescue on the rotated qfp?
2012-11-29T07:36:37 < emeb_mac> i'd prolly be SOL if I did that - have to cut pins off or something.
2012-11-29T07:37:45 < dongs> yeah, didnt bother saving the chip just tossed it and put a new one in
2012-11-29T07:37:59 < dongs> it got a bit hot, i saw flux bubbling at the legs
2012-11-29T07:38:08 < dongs> so probably not worth having to resolder it twice lols
2012-11-29T07:38:11 < emeb_mac> sizzly
2012-11-29T07:38:27 < fergusnoble_> dongs: could you resend me your answer?
2012-11-29T07:38:35 < emeb_mac> zlog
2012-11-29T07:38:36 < zlog> emeb_mac: Log stored at http://tom-itx.dyndns.org:81/~tom-itx/irc/logs/%23%23stm32/2012-11-28.html
2012-11-29T07:38:57 < emeb_mac> fergusnoble_: Use the log ^^
2012-11-29T07:39:25 < dongs> i just said ive used dma on f1 and f4 for usart, some for very high speed stuff (like 960000 baud? i think) and it worked fine
2012-11-29T07:40:50 < fergusnoble_> ok, sorry I wasn't intending to 'poof', but I'm on a sketchy ass connection in vietnam right now
2012-11-29T07:41:55 < fergusnoble_> dongs: is your code available for me to have a look? we are running at 921600
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2012-11-29T07:42:39 < dongs> http://code.google.com/p/afrodevices/source/browse/trunk/m3osd/src/uart.c ive used a variation of this at higher speed on F1 and it worked fine
2012-11-29T07:42:56 < fergusnoble_> ok, the F4 dam peripheral is very different to the F1
2012-11-29T07:43:03 < dongs> yea, i know it is
2012-11-29T07:43:14 < dongs> i have f4 code somewhre too
2012-11-29T07:44:55 < dongs> i used circular, fifodisable mode.
2012-11-29T07:44:56 < dongs> on F4.
2012-11-29T07:45:26 < dongs> http://bcas.tv/paste/results/89pHYU48.html
2012-11-29T07:46:22 < fergusnoble_> thanks
2012-11-29T07:47:28 < fergusnoble_> looks similar enough to what I am doing, you don't get FEIFs which you have to clear in the isr or anything?
2012-11-29T07:47:53 < fergusnoble_> maybe its because I am usually starting a new transfer right after the last one has finished
2012-11-29T07:48:08 < dongs> this is on TX DMA i presume?
2012-11-29T07:48:53 < dongs> DMA_FLAG_TCIF7 DMA_FLAG_HTIF7 DMA_FLAG_TEIF7 DMA_FLAG_DMEIF7 DMA_FLAG_FEIF7
2012-11-29T07:48:57 < dongs> I just clear all tehse in t he DMA request.
2012-11-29T07:49:03 < dongs> well, for USART1 anyway.
2012-11-29T07:49:10 < dongs> er, in DMA IRQ
2012-11-29T07:49:52 < dongs> in irq, first thing I claer all those flags, set my internal dma flag to 0, and if buffer has more shit to send, start another DMA
2012-11-29T07:49:55 < dongs> thats it.
2012-11-29T07:50:04 < dongs> this is the _TC handler
2012-11-29T07:50:45 < fergusnoble_> ok, do you check to see if any of those error conditions are flagged?
2012-11-29T07:50:49 < fergusnoble_> here is my code: https://github.com/cbeighley/Swift-Nav-Code/blob/rx_dma_bug_fixing/src/hw/usart_tx.c
2012-11-29T07:51:37 < fergusnoble_> sounds like it is doing a similar job, is your code open-source? could I see the rest of the file?
2012-11-29T07:53:18 < dongs> F- for using opbopencm3 :p
2012-11-29T07:53:41 < fergusnoble_> lol
2012-11-29T07:53:51 < dongs> l;ooks very similar, but I don't understand the point for memcpys
2012-11-29T07:53:52 < fergusnoble_> I am the F2/F4 maintainer for locm3
2012-11-29T07:54:14 < fergusnoble_> although I guess I have been slacking off in my duties recently
2012-11-29T07:54:46 < dongs> if (DMA2_HISR & DMA_HISR_TCIF7) {
2012-11-29T07:54:48 < dongs> why do you have tehis,
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2012-11-29T07:54:55 < dongs> if you can specifiy DMA interrupt to only trigger on TC?
2012-11-29T07:54:58 < dongs> why bother with checkign for condition
2012-11-29T07:55:32 < dongs> i'm just using stdperiphlib though
2012-11-29T07:55:36 < dongs> so DMA_ClearFlag() is what I use
2012-11-29T07:55:43 < dongs> to clar those 4 i pasted above
2012-11-29T07:56:10 < fergusnoble_> ok, I check for TC so I can also catch error conditions
2012-11-29T07:56:16 < dongs> ah
2012-11-29T07:56:25 < fergusnoble_> they all come to the same isr
2012-11-29T07:56:29 < dongs> right
2012-11-29T07:56:35 < fergusnoble_> you have to check the flags to see which one you have
2012-11-29T07:56:58 < fergusnoble_> the memcpys are to copy the data packet to be sent to the larger DMA buff
2012-11-29T07:57:07 < fergusnoble_> the packet to be sent might be allocated on the stack
2012-11-29T07:57:26 < dongs> ok, makes sesen
2012-11-29T07:57:28 < fergusnoble_> and also this lets you queue up multiple packets to be sent with one big dma transfer
2012-11-29T07:57:30 < dongs> sense even
2012-11-29T07:57:52 < dongs> one thing
2012-11-29T07:57:57 < dongs> i wonder if reading CR or SR
2012-11-29T07:57:59 < dongs> resets flags
2012-11-29T07:58:06 < dongs> i use a internal var to keep track of whether DMA is running or not
2012-11-29T07:58:09 < dongs> and clear it on _TC
2012-11-29T07:58:13 < dongs> try doing that?
2012-11-29T07:58:23 < dongs> where you do
2012-11-29T07:58:26 < dongs>  if (!((DMA2_S7CR & DMA_SxCR_EN) || (DMA2_HISR & DMA_HISR_TCIF7))) dma_schedule();
2012-11-29T07:59:04 < dongs> and damn, i much prefer shit like DMA1_Stream7->CR type shit than this stuff.
2012-11-29T07:59:32 < fergusnoble_> hehe, ok
2012-11-29T07:59:47 < dongs> emeb_mac: http://i.imgur.com/tVq13.png success on 4port board
2012-11-29T08:00:20 < emeb_mac> sweet
2012-11-29T08:00:34 < emeb_mac> what's that for?
2012-11-29T08:01:09 < fergusnoble_> ok, I'll try that, you are right that I am clearing the USART_SR flag incorrectly
2012-11-29T08:01:25 < fergusnoble_> I should check the DMA too
2012-11-29T08:01:50 < dongs> workstuff
2012-11-29T08:02:02 < dongs> fergusnoble_: for USART, I think i just do USART1->SR; type shit to read it.
2012-11-29T08:02:08 < dongs> i mean without caring about contents.
2012-11-29T08:03:17 < dongs> http://i.imgur.com/BuOfU.jpg handsolder of doom
2012-11-29T08:03:50 < fergusnoble_> ok, looks like we might have found a fix, changing to using the FIFO with a MSIZE of 4 seems to work
2012-11-29T08:03:54 < emeb_mac> check out those ground vias
2012-11-29T08:04:48 < dongs> hehe
2012-11-29T08:05:19 < emeb_mac> what are the 4 chips on the hub?
2012-11-29T08:05:33 < dongs> stuff(tm)
2012-11-29T08:05:40 < fergusnoble_> which might make sense if its a fifo underrun whilst the memory bus is locked, would reduce the number of memory accesses
2012-11-29T08:05:52 < emeb_mac> noneofurfuckingbusiness :)
2012-11-29T08:07:01 < dongs> oh fucking wow
2012-11-29T08:07:09 < dongs> my tv guy got the LG panel roadmap
2012-11-29T08:07:17 < dongs> 3200x1800 IPS 23"
2012-11-29T08:07:24 < dongs> 3840x2160 23"
2012-11-29T08:07:26 < emeb_mac> ooooo
2012-11-29T08:07:49 < dongs> holy shit DO WNAT
2012-11-29T08:07:52 < dongs> WANT rather
2012-11-29T08:08:00 < dongs> haha 4k 30"
2012-11-29T08:08:04 < dongs> 4096x2160
2012-11-29T08:08:10 < emeb_mac> that'd make a nice monitor
2012-11-29T08:08:28 < dongs> this 23" 3840x2160 shit looks super intersting
2012-11-29T08:09:36 < dongs> usb chip is kinda getting toasty
2012-11-29T08:09:58 < emeb_mac> oop
2012-11-29T08:10:17 < emeb_mac> got an IR thermometer?
2012-11-29T08:10:24 < dongs> yeah.
2012-11-29T08:10:27 < dongs> its supposed to be though i guess
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2012-11-29T08:11:33 < dongs> looks like 45
2012-11-29T08:12:13 < emeb_mac> not too bad
2012-11-29T08:12:25 < emeb_mac> we get that hot in the summer here. :)
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2012-11-29T08:24:19 < dongs> well, shit works now i need to figurte out what to do with power supply.
2012-11-29T08:24:19 < dongs> still cant get over the shock of some fucker buying thousands of MIC/murata regs just to fuck with me
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2012-11-29T08:39:46 < emeb_mac> srsly?
2012-11-29T08:40:03 < emeb_mac> you've got a nemesis out there who'd spend money just to hassle you?
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2012-11-29T08:41:43 < dongs> well, i cant imagine why would anyone want several thousands micrel regs all of a fucking sudden
2012-11-29T08:41:50 < dongs> or murata dc/dc modules
2012-11-29T08:41:54 < dongs> and Iv'e pasted both in this channel :p
2012-11-29T08:42:05 < dongs> the mic stuff is gone EVERYWHERE
2012-11-29T08:42:49 < emeb_mac> bizarre
2012-11-29T08:43:01 < dongs> it was probably baird
2012-11-29T08:43:09 < emeb_mac> heh
2012-11-29T08:48:30 < emeb_mac> dongs: should I paypal you some $$ for the afroleds/drivers/postage & for shipping on the breakouts & bmp boards?
2012-11-29T08:48:30 < dongs> you could, you dont wanna wait for me to test them? (might be a while)
2012-11-29T08:48:30 < dongs> how many do you want
2012-11-29T08:48:30 < emeb_mac> oh - 3 ea?
2012-11-29T08:48:30 < dongs> sure
2012-11-29T08:48:30 < emeb_mac> no huge rush on that - I won't be able to get to them until end of next week, but might as well get the ball rolling
2012-11-29T08:48:30 < dongs> well, msg me your info again.
2012-11-29T08:48:30 < dongs> ill put them in todays mail
2012-11-29T08:48:31 < dongs> since thats in 10 minutes
2012-11-29T08:48:31 < dongs> > best
2012-11-29T08:48:31 < dongs> > anime
2012-11-29T08:48:31 < dongs> no thanks brah, not opening
2012-11-29T08:52:47 < baird> Where was I for the past 24-30 hours? Amassing this: http://i.imgur.com/9gt6z.jpg
2012-11-29T08:53:28 < baird> First step: retrobrite
2012-11-29T08:54:26 < baird> Second step: troll the shit out of Charl when she's here on the weekend. (She was a VICgirl...)
2012-11-29T08:57:15 -!- Claude is now known as claude
2012-11-29T08:58:00 < scrts> Laurenceb: You mean Carambola is power hungry?
2012-11-29T09:04:50 < emeb_mac> baird: ooo sweet
2012-11-29T09:04:59 < emeb_mac> haven't seen one of those in a while
2012-11-29T09:07:41 < emeb_mac> I've got an atari 400 + star raiders cart. fun times.
2012-11-29T09:10:58 < zyp> dongs, if you won't get the lpc4300 stuff panelized for a while, you might as well send my boards too
2012-11-29T09:11:12 < dongs> is it done?
2012-11-29T09:11:22 < dongs> if you arent gonna be making changes you can send it and I will see waht I can do
2012-11-29T09:11:33 < dongs> if something suddenly comes up i dont wanna be waiting for things.
2012-11-29T09:12:00 < dongs> also I thought you wanted stencil too for the breakouts
2012-11-29T09:12:06 < zyp> ah, yeah
2012-11-29T09:12:07 < dongs> which i havent even made since ive bene toobusy
2012-11-29T09:13:02  * emeb_mac needs no stencils
2012-11-29T09:14:21 < zyp> I didn't get this reflow oven to not use it, and I'm not going to attempt reflowing without a proper stencil
2012-11-29T09:14:40 < ds2> reflow oven?
2012-11-29T09:14:45 < ds2> what did you get?
2012-11-29T09:14:53 < zyp> that cheap chinese shit
2012-11-29T09:15:05 < ds2> how big is it?
2012-11-29T09:15:37 < zyp> pretty small
2012-11-29T09:15:43 < dongs> T117 or whatever right?
2012-11-29T09:15:44 < zyp> but larger than anything I'm going to do
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2012-11-29T09:16:00 < dongs> T962
2012-11-29T09:16:03 < zyp> yeah
2012-11-29T09:16:06 < ds2> how is this different then those toaster ovens?
2012-11-29T09:16:15 < dongs> toaster oven doesnt catch fire
2012-11-29T09:16:34 < ds2> I see
2012-11-29T09:17:13 < zyp> I didn't want to modify a toaster oven, I just wanted some shit that works
2012-11-29T09:17:26 < dongs> T962 uses LPC, so you can hax0r it
2012-11-29T09:17:29 < dongs> into something elite.
2012-11-29T09:17:35 < ds2> Oh see
2012-11-29T09:17:39 < dongs> LPC21xx or someshit i think
2012-11-29T09:17:42 < zyp> yep
2012-11-29T09:17:47 < zyp> I've already looked at the internals
2012-11-29T09:18:14 < zyp> if I ever get time, I'm going to look at that
2012-11-29T09:18:16 < dongs> though i suspect the "i just wanted some shit that works" part would probably prevent any normal user from fucking with it
2012-11-29T09:18:30 < zyp> because the original firmware doesn't even debounce the buttons
2012-11-29T09:18:36 < dongs> lulz
2012-11-29T09:18:36 < zyp> (nor does hardware)
2012-11-29T09:18:37 < dongs> that is tru
2012-11-29T09:18:39 < baird> emeb_mac: I'm wondering what kind of MCU-based hardware projects could be done with the VIC..
2012-11-29T09:18:54 < dongs> baird: a conveyor belt to transport it into the trashcan
2012-11-29T09:18:57 < dongs> driven by arduino
2012-11-29T09:19:12 < emeb_mac> lol
2012-11-29T09:19:48 < emeb_mac> baird: make a disk drive emulator for it using an stm32 + SD card.
2012-11-29T09:20:38 < baird> There's several atmega-based things like that..  (5V-safe GPIO?)
2012-11-29T09:20:51 < ds2> Oohh looks nice
2012-11-29T09:21:23 < ds2> does the T962 have a fan for active cooling?
2012-11-29T09:21:27 < dongs> yeah
2012-11-29T09:21:32 < dongs> just dont try to run it as production line
2012-11-29T09:21:36 < dongs> or with too much leadfree
2012-11-29T09:21:41 < ds2> no, I mean cooling of the board
2012-11-29T09:21:41 < baird> I was thinking of something like a EPROM/RAM/ROM simulator.
2012-11-29T09:21:42 < dongs> leadfree + continuous operation = toasted boards + fire
2012-11-29T09:22:00 < ds2> toaster ovens sometimes can't cool fast enough
2012-11-29T09:22:20 < dongs> well, there is a f an and it does have forced convection
2012-11-29T09:22:24 < dongs> if thats what youre asking
2012-11-29T09:23:31 < ds2> i saw the fan on the web pages
2012-11-29T09:23:57 < ds2> just trying to find out if that was for the controller or the board in the oven....think you just answer that
2012-11-29T09:24:36 < zyp> there is two fans actually
2012-11-29T09:24:43 < zyp> one for the controller board and one for the oven
2012-11-29T09:25:07 < zyp> and the latter is temperature controlled to match the cooldown profile
2012-11-29T09:25:08 < ds2> ah
2012-11-29T09:25:50 < ds2> hmmm $600-$800.. that is a bit steep
2012-11-29T09:25:55 < dongs> wut
2012-11-29T09:26:02 < dongs> i think i paid something like200-ish
2012-11-29T09:26:13 < ds2> guess I didn't look at the right places
2012-11-29T09:26:24 < ds2> just did a quick search for t962
2012-11-29T09:26:31 < zyp> I paid £100 + shipping
2012-11-29T09:26:35 < zyp> so <$200
2012-11-29T09:27:03 < ds2> ebay or?
2012-11-29T09:27:06 < zyp> yep
2012-11-29T09:27:10 < ds2> ah
2012-11-29T09:27:34 < ds2> how bad are the fumes when it is running a board?
2012-11-29T09:28:28 < zyp> not particularly
2012-11-29T09:30:38 < ds2> and what do you do to keep paste fresh?
2012-11-29T09:31:54 < emeb_mac> I've got a 5 year old syringe of paste in the fridge. Used some the other day and it was still fine.
2012-11-29T09:32:13 < zyp> I also keep it in the fridge
2012-11-29T09:32:37 < ds2> then what's the deal with the paste expires in a month warnings?
2012-11-29T09:32:57 < emeb_mac> planned obsolescence?
2012-11-29T09:33:20 < ds2> the CM's seems to take that very seriously
2012-11-29T09:33:25 < ds2> enough to toss stuff
2012-11-29T09:33:47 < emeb_mac> probably important for predictable processing.
2012-11-29T09:34:04 < ds2> so it would be safe to buy expired paste from the CMs?
2012-11-29T09:34:11 < emeb_mac> not such a big deal on onesie-twosies
2012-11-29T09:34:44 < emeb_mac> esp if you're capable of fixing a few tombstones here and there...
2012-11-29T09:34:53 < ds2> I see
2012-11-29T09:35:29 < ds2> what kind of failures do they tend to be? trying to see how it would appear since I can't inspect BGAs completely
2012-11-29T09:35:46 < dongs> i keep paste in cold/drycase, never had problems
2012-11-29T09:35:58 < dongs> the zeph shit i buy has no expiration when stored unopened
2012-11-29T09:36:14 < ds2> Ohhh I see
2012-11-29T09:36:38 < ds2> it would be nice to mount my own non fine pitch BGAs
2012-11-29T09:36:43 < dongs> shit's in a drycase in my server room which is kept at like 16C
2012-11-29T09:37:42 < emeb_mac> time for zzzzzzzz.......
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2012-11-29T09:40:19 < ds2> whoa... literal burnt boards with that oven
2012-11-29T09:40:24 < dongs> loll
2012-11-29T09:40:26 < dongs> i wasnt joking
2012-11-29T09:40:34 < ds2> sounds almsot as bad as a normal toaster oven
2012-11-29T09:40:44 < dongs> its some firmware bug i think..
2012-11-29T09:40:53 < dongs> if you run it continously, it fucks up the thermocouple or whatever..
2012-11-29T09:40:59 < dongs> it just keeps running full blast until shit catches on fire
2012-11-29T09:41:04 < dongs> good stuff
2012-11-29T09:41:17 < ds2> the thermocouple is in the air? thought the thermocouple is touching hte PCB?
2012-11-29T09:41:22 < dongs> air.
2012-11-29T09:41:34 < ds2> shouldn't it be touching the board?
2012-11-29T09:41:50 < ds2> I don't see why I care about air temp
2012-11-29T09:42:54 < ds2> "our T962 just caught on fire,...." hehe
2012-11-29T09:43:56 < zyp> why should it touch the board?
2012-11-29T09:44:12 < dongs> duno maybe to get "more accurate temperature"
2012-11-29T09:44:18 < dongs> never seen it touching the board in commercial ovens either
2012-11-29T09:45:18 < ds2> cuz the baord temperature is what I care about
2012-11-29T09:46:35 < dongs> what teh fuck http://www.hobbyking.com/hobbyking/store/__26938__LED_Matrix_8x8_Triple_Color_RGB_Common_Anode_Display.html
2012-11-29T09:48:30 < zyp> heh
2012-11-29T09:49:32 < dongs> http://www.hobbyking.com/hobbyking/store/__26845__Colorduino_V2_0_RGB_LED_Matrix_Driver.html
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2012-11-29T10:49:41 < dongs> http://i.imgur.com/vtnhN.jpg a ttn
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2012-11-29T11:05:45 < cjbaird> Ha, I could abuse one of the old eprom erasers for the retrobrite..
2012-11-29T11:07:17 < cjbaird> I actually have everything except for the H2O3
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2012-11-29T12:38:35 < cjbaird> Peroxide aquired. "You work at a Pharmacy. baird walks in and buys 40vol Hydrogen Peroxide. What do you think?" :P :D
2012-11-29T12:39:08 < cjbaird> ...and I have some acetone! :D
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2012-11-29T13:25:45 < dongle> fucking feenode is dying again
2012-11-29T13:29:34 <+Steffanx> it is?
2012-11-29T13:29:43 < dongs> yeah, my shit is lagging
2012-11-29T13:30:23 <+Steffanx> Get some laxative
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2012-11-29T14:26:58 < Laurenceb> wow dropbox fails
2012-11-29T14:27:11 < Laurenceb>  "380000" files were changed
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2012-11-29T14:28:51 < dongle> who uses that shit
2012-11-29T14:29:11 < Laurenceb> corporate desktop land
2012-11-29T14:29:28 < Laurenceb> its how they upload files to my server
2012-11-29T14:29:46 < Laurenceb> someone renamed a direcotry and dropbox thinks all the files changed
2012-11-29T14:31:48 < Laurenceb> and it syncing 3GB of data...
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2012-11-29T14:34:10 <+Steffanx> Only 3G :P
2012-11-29T14:34:14 <+Steffanx> B
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2012-11-29T14:46:00 < dongs> fee-fuckin-node
2012-11-29T14:46:57 < dongs> http://pastebin.com/GYUeyzYZ
2012-11-29T14:48:29 < Laurenceb> <script type="text/x86asm-script">
2012-11-29T14:48:33 < Laurenceb> what the fuck
2012-11-29T14:48:42 < zyp> cute
2012-11-29T14:50:29 < zyp> also reminds me of how much I prefer arm assembly to x86
2012-11-29T14:56:29 <+Steffanx> obvious joke is not obvious :(
2012-11-29T14:56:53 <+Steffanx> Google is fast when it comes to crawling pastebin
2012-11-29T14:58:11 < dongs> why?
2012-11-29T14:59:11 <+Steffanx> Why.. because it already indexed that post
2012-11-29T14:59:14 < dongs> is it already spidered
2012-11-29T14:59:47 < dongs> crazy shit.
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2012-11-29T15:15:10 < Laurenceb> they probably have a dedicated pastebin indexer
2012-11-29T15:16:08 < Laurenceb> lol - a uni student was supposed to be using some dataloggers, so i gave him a spare pcb and a BOM, said id imagine itd take him 3 hours to build the board
2012-11-29T15:16:16 < Laurenceb> 3months later...
2012-11-29T15:16:31 < Laurenceb> hes asking me to resend the BOM as he lost it
2012-11-29T15:16:55 <+Steffanx> Not everyone is as fast as you, lol
2012-11-29T15:17:07 < Laurenceb> before anyone asks hes not called tom
2012-11-29T15:17:24 < zyp> Laurenceb, remember that those three hours are only counted from you actually start
2012-11-29T15:17:51 < Laurenceb> yes, but hes had nothing else to work on - this is supposed ot be his final year project
2012-11-29T15:17:59 < Laurenceb> wtf
2012-11-29T15:18:05 <+Steffanx> So this is not his final year :D
2012-11-29T15:18:18 < Laurenceb> haha
2012-11-29T15:18:30 < zyp> aren't all students procrastinators though?
2012-11-29T15:18:55 < zyp> why do today what could wait until tomorrow? :p
2012-11-29T15:18:59 <+Steffanx> There are very very very few exceptions ofcoures
2012-11-29T15:19:27 < Laurenceb> well i spent most of my time doing random electronics and watching weird satellite channels
2012-11-29T15:19:31 < Laurenceb> and getting drunk
2012-11-29T15:19:55 <+Steffanx> Picked up some chicks etc.?
2012-11-29T15:19:56 < Laurenceb> i just did enough work to come 20th out of 150 in the year group :P
2012-11-29T15:20:17 < Laurenceb> yeah i met a girl in a skip once
2012-11-29T15:20:34 <+Steffanx> So when do you'll get your phd?
2012-11-29T15:20:46 < Laurenceb> i was stealing cable and she had grabbed a solaris server
2012-11-29T15:21:18 < Laurenceb>  <6months
2012-11-29T15:21:26 <+Steffanx> >6months that is :P
2012-11-29T15:21:37 < Laurenceb> nah
2012-11-29T15:21:43 < Laurenceb> already got a job sorted
2012-11-29T15:21:58 < Laurenceb> well a full time one
2012-11-29T15:22:26 <+Steffanx> So that means no daily Laurenceb crap anymore within 6 months?!?!
2012-11-29T15:22:35 < Laurenceb> nope
2012-11-29T15:22:40 < Laurenceb> it means _more_
2012-11-29T15:23:12 < dongs> haha
2012-11-29T15:23:50 < zyp> Steffanx obviously never had a job before
2012-11-29T15:23:58 <+Steffanx> Uhm.. sure
2012-11-29T15:25:16 < Laurenceb> ill be doing dev work full tiem
2012-11-29T15:25:22 < Laurenceb> so moar irc
2012-11-29T15:25:32 < dongs> < Laurenceb> ill be doing trolling full tiem
2012-11-29T15:25:35 < Laurenceb> yup
2012-11-29T15:25:44 < dongs> thats what i saw
2012-11-29T15:25:47 <+Steffanx> poor colleagues
2012-11-29T15:26:04 < Laurenceb> its ok, they never turn up
2012-11-29T15:26:18 < Laurenceb> live at the golf club
2012-11-29T15:26:23 <+Steffanx> Even more boring.. no colleagues
2012-11-29T15:36:44 < dongs> http://bcas.tv/paste/results/HEqPrR58.html
2012-11-29T15:36:46 < dongs> what do you think
2012-11-29T15:38:08 < zyp> hang on, I'm just going to buy all remaining stock of those parts
2012-11-29T15:38:25 <+Steffanx> lol
2012-11-29T15:38:31 < dongle> haha
2012-11-29T15:38:42 <+Steffanx> 1,818/100 * 470 $
2012-11-29T15:39:01 <+Steffanx> oh, that's doable :P
2012-11-29T15:39:10 < dongs> piss-off-dongs fund
2012-11-29T15:41:49 < dongs> the only problem is those ldos are fuckign expensive
2012-11-29T15:41:53 < dongs> fucking TI trash
2012-11-29T15:42:12 < dongs> that MIC shit was perfect
2012-11-29T15:56:17 <+Steffanx> SAMPLE
2012-11-29T15:56:24 <+Steffanx> Oh no, you can only sample 5 at a time
2012-11-29T15:56:34 < dongle> sample what? the LP shit?
2012-11-29T15:56:56 <+Steffanx> Yeah :P
2012-11-29T15:57:11 < dongle> well, this is not a one off
2012-11-29T15:57:30 <+Steffanx> 5 > 1 :D
2012-11-29T15:57:36 <+Steffanx> Sorry, ignore me
2012-11-29T15:58:38 < dongle> http://www.aliexpress.com/store/product/5050-SMD-RGB-LED-with-built-in-WS2811-IC/701799_656558600.html
2012-11-29T15:59:27 <+Steffanx> Share this with your friends, get a $5 coupon! <= coupon for dongle?
2012-11-29T15:59:34 < dongle> haha
2012-11-29T16:00:14 <+Steffanx>  built-in WS2811 IC that's acutally pretty nice
2012-11-29T16:01:30 < dongle> yeah.
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2012-11-29T16:18:14 < zyp> hmm, wonder if this display is using edp
2012-11-29T16:18:34 < dongs> which one?
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2012-11-29T16:18:58 < zyp> one that has been sitting on my desk for a while
2012-11-29T16:19:03 < dongle> HEH
2012-11-29T16:19:13 < zyp> some 1920x1080 5" stuff
2012-11-29T16:19:50 < zyp> the flex cable to the connector got five differential lines at least
2012-11-29T16:20:04 < dongle> well, thats 4 main + aux lanes
2012-11-29T16:20:14 < dongle> so likely.
2012-11-29T16:20:45 < zyp> well, it might as well be four lvds lanes and one clock
2012-11-29T16:22:04 < dongs> is that enough?
2012-11-29T16:22:40 < zyp> no idea
2012-11-29T16:22:59 < zyp> does it require all four main lanes for 1080p?
2012-11-29T16:24:06 < dongs> in DP? no
2012-11-29T16:24:21 < dongs> i think you can do 1080p with just one lane in highspeed and 2 in normal
2012-11-29T16:24:41 < zyp> I'm not sure what's driving this thing either, it's impossible to follow the traces on the board it's connected to
2012-11-29T16:25:05 < zyp> and there are a bunch of chips on it without any marking I can make sense of
2012-11-29T16:25:21 < zyp> including the largest flip chip I've seen so far
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2012-11-29T16:27:24 < dongs> pics or it didnt happen
2012-11-29T16:27:35 < dongs> though i guess, 5" 1080p shit sounds like just phone-type stuff isnt it?
2012-11-29T16:27:41 < dongs> japs just recently released some 5" trash with 1080p
2012-11-29T16:27:44 < dongs> HTCJ or someshit
2012-11-29T16:29:06 < zyp> yeah, it's phone stuff
2012-11-29T16:32:24 < zyp> might be MIPI DSI
2012-11-29T16:33:52 < dongs> thats what some other troll mentioned
2012-11-29T16:34:57 < Laurenceb> isnt that supported by rpi/
2012-11-29T16:35:25 < dongs> someshit like that
2012-11-29T16:35:29 < zyp> probably
2012-11-29T16:35:32 < dongs> you would know
2012-11-29T16:36:27 < zyp> soc apparently supports dsi but not dp, so unless there is some conversion going on outside the soc, it's probably dsi
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2012-11-29T16:49:55 < zyp> emeb_mac, good morning
2012-11-29T16:50:06 < emeb_mac> hi zyp
2012-11-29T16:50:45 < emeb_mac> how are things in the frozen north?
2012-11-29T16:51:50 < zyp> well, they just froze
2012-11-29T16:52:19 < emeb_mac> brrrr.
2012-11-29T16:53:39 < zyp> first day of <0C today
2012-11-29T16:54:28 < BrainDamage> we got some snow here
2012-11-29T16:54:32 < emeb_mac> that's a rare thing here. maybe 3 or 4 nights in the year it gets like that.
2012-11-29T16:54:54 < zyp> still no snow though
2012-11-29T16:57:16 < zyp> emeb_mac, where are you living?
2012-11-29T16:57:34 < emeb_mac> near Phoenix, Arizona.
2012-11-29T16:58:07 < zyp> ah
2012-11-29T16:58:11 < emeb_mac> out here in the desert with the cactus and rednecks. :)
2012-11-29T16:59:00 < Laurenceb> wtf zyp
2012-11-29T16:59:11 < Laurenceb> -4 here last night
2012-11-29T16:59:25 < Laurenceb> itsnt it permanently dark there yet?
2012-11-29T16:59:35 < zyp> not here in the south
2012-11-29T16:59:38  * Laurenceb had -24C in his garage last winter
2012-11-29T16:59:46 < Laurenceb> oh i thought you were in the far north
2012-11-29T17:00:09 < zyp> my parents are in the far north, I hear it's both dark and snowy there by now :p
2012-11-29T17:00:35 < zyp> also, I'm living at the cost, so it brings a fair amount of heat
2012-11-29T17:00:43 < zyp> it never gets down to -24C here
2012-11-29T17:01:03 < zyp> anyway, I'm off work
2012-11-29T17:01:13 < zyp> going to pick up some SD cards for testing before I go home
2012-11-29T17:04:27 < karlp> aren't you in southern uk Laurenceb? I didn't think it got that cold
2012-11-29T17:04:49 < Laurenceb> mid uk
2012-11-29T17:04:58 < Laurenceb> had really cold weather past couple of winters
2012-11-29T17:05:23 < karlp> oh yeah, we had weeks at at time here where it was warmer in iceland than in most of europe
2012-11-29T17:05:46 < emeb_mac> geothermal
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2012-11-29T17:17:27 < BrainDamage> you guys have the potential to be the first nation to forgo all fossil fuels without having a giant headache
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2012-11-29T17:26:52 < zyp> heh, they doesn't even stock SDSC cards nowadays
2012-11-29T17:27:13 < emeb_mac> what did you find?
2012-11-29T17:27:21 < zyp> I got a 4G SDHC and the guy was all «do you think that's going to be large enough?»
2012-11-29T17:27:28 < emeb_mac> lol
2012-11-29T17:27:41 < emeb_mac> that's about the smallest you can get anymore.
2012-11-29T17:28:08 < zyp> cheapest they had too, apparently only speed class 4
2012-11-29T17:28:25 < zyp> but that's still 4 MB/s if I'm not mistaken
2012-11-29T17:28:26 < zyp> :p
2012-11-29T17:28:50 < emeb_mac> whatever that means. class numbers are pretty much arbitrary if you believe the tests
2012-11-29T17:29:30 < zyp> the spec is pretty clear on the requirements for a particular class
2012-11-29T17:30:19 < emeb_mac> no doubt. but the packagers and vendors seem to pull the number out of... somewhere dark.
2012-11-29T17:30:50 < emeb_mac> depends on who you get them from I guess.
2012-11-29T17:30:52 < zyp> wonder if it'll work with my hardcoded initialization unmodified
2012-11-29T17:31:07 < emeb_mac> quick way to find out.
2012-11-29T17:31:12 < zyp> this is supposed to be genuine sandisk
2012-11-29T17:31:39 < emeb_mac> that's a good start.
2012-11-29T17:32:04 < emeb_mac> although I've heard that a fair percentage of sandisk cards are counterfeit.
2012-11-29T17:32:41 < zyp> hmm
2012-11-29T17:32:48 < zyp> seems to get stuck in my ACMD41 loop
2012-11-29T17:37:16 < jpa-> http://kapsi.fi/~jpa/stuff/pix/dso_usb.png   soon i have a portable usb analyzer :)
2012-11-29T17:37:32 < zyp> oh, that's cute
2012-11-29T17:37:44 < zyp> using just the fpga on the dso nano?
2012-11-29T17:38:15 < jpa-> on dso quad
2012-11-29T17:38:19 < jpa-> but yeah
2012-11-29T17:39:05 < emeb_mac> does it have a 16GB buffer? :P
2012-11-29T17:39:14 < jpa-> 32kB :)
2012-11-29T17:39:47 < emeb_mac> not bad
2012-11-29T17:39:50 < zyp> could be handy for certain situations,
2012-11-29T17:40:01 < jpa-> definitely enough for my hobbyist stuff
2012-11-29T17:40:09 < jpa-> (for now :D
2012-11-29T17:40:34 < emeb_mac> so how do usb analyzers work wrt electrical hookup...
2012-11-29T17:40:48 < emeb_mac> do they have two usb interfaces and do man-in-the-middle
2012-11-29T17:41:01 < jpa-> just snoop on the wires
2012-11-29T17:41:02 < emeb_mac> or do they just tap into the wire and monitor what goes past?
2012-11-29T17:41:40 < emeb_mac> you need a special hookup that doesn't load the bus
2012-11-29T17:41:46 < jpa-> it's basically only the RX part of a USB PHY.. for high speed probably would need some way to avoid disturbing the impedances, but this is just full-speed anyway
2012-11-29T17:42:11 < jpa-> 1Mohm oscilloscope inputs don't load it much
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2012-11-29T17:43:03 < emeb_mac> so there's really no way for the analyzer to know the source of any given packet
2012-11-29T17:43:07 < emeb_mac> except context
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2012-11-29T17:46:42 < jpa-> emeb_mac: yeah, but the structure of usb communications is so that host always initiates the communication
2012-11-29T17:47:06 < emeb_mac> makes sense
2012-11-29T17:47:26 < emeb_mac> so for this little analyzer I assume you use the existing usb port
2012-11-29T17:47:35 < emeb_mac> do you need a special cable
2012-11-29T17:47:40 < jpa-> no, i use the oscilloscope inputs
2012-11-29T17:48:13 < jpa-> i didn't bother looking if the STM32 USB can be used as an analyzer.. just took an USB PHY from opencores and put it on the fpga
2012-11-29T17:48:22 < emeb_mac> nifty
2012-11-29T17:48:28 < zyp> I don't like the phy in the beagle 480
2012-11-29T17:48:46 < zyp> it has a higher vbus threshold than a lot of devices
2012-11-29T17:49:10 < zyp> so it might report host disconnected even when communication is ongoing
2012-11-29T17:49:36 < emeb_mac> dumb
2012-11-29T17:49:44 < zyp> esp. with a bus powered load that draws a lot, and a bad cable between host and analyzer
2012-11-29T17:50:13 < emeb_mac> wonder if that's just a resistor divider on the board or if it's in the silicon.
2012-11-29T17:50:19 < zyp> and not to mention rpi, when I was helping my coworker test that
2012-11-29T17:50:22 < emeb_mac> or even in software?
2012-11-29T17:50:47 < zyp> probably silicon, I assume they used a normal HS PHY
2012-11-29T17:51:36 < emeb_mac> jpa-: does the usb phy in the fpga run from the digitized adc output?
2012-11-29T17:52:02 < jpa-> emeb_mac: yeah
2012-11-29T17:52:19 < emeb_mac> neat trick.
2012-11-29T17:52:23 < zyp> well, phy shouldn't even have to care about vbus
2012-11-29T17:52:49 < dongs> <zyp> why did i pay those vusbanal faggots, i could have just took jpa-s code
2012-11-29T17:53:07 < zyp> huh?
2012-11-29T17:53:14 < emeb_mac> dongs is up late
2012-11-29T17:53:25 < dongs> i forget the name for that usb analyzer shit you're waiting for on kickstarter
2012-11-29T17:53:31 < dongs> it was vsomething
2012-11-29T17:53:34 < zyp> ah
2012-11-29T17:53:38 < zyp> openvizsla
2012-11-29T17:53:41 < dongs> yea that
2012-11-29T17:53:53 < jpa-> https://github.com/PetteriAimonen/dso-quad-usb-analyzer
2012-11-29T17:53:53 < zyp> no idea
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2012-11-29T17:54:05 < zyp> it's probably going to be horrible compared to the beagle
2012-11-29T17:54:08 < jpa-> dongs: openvizsla was supposed to do high-speed also :)
2012-11-29T17:54:19 < dongs> well yeah
2012-11-29T17:54:41 < zyp> aren't they intending to use wireshark for packet dissection?
2012-11-29T17:54:43 < emeb_mac> vhdl - must be european. :)
2012-11-29T17:55:12 < jpa-> vhdl - the only right way to write logic :)
2012-11-29T17:55:35 < zyp> after using the total phase software, I don't really want to use wireshark :p
2012-11-29T17:55:53 < jpa-> wireshark is quite nice, but when there is an error the error messages are totally unhelpful
2012-11-29T17:55:59 < dongs> i tried several times to pickup some *HDL and it just doesnt make any fucking sense
2012-11-29T17:56:05 < dongs> maybe I need to learn python first.
2012-11-29T17:56:17 < jpa-> "decoder failed"; and then you are left wondering if your implementation is wrong, or if wireshark just doesn't know how to decode properly
2012-11-29T17:56:32 < dongs> doesnt wireshark use GTK
2012-11-29T17:56:36 < jpa-> yes
2012-11-29T17:56:37 < emeb_mac> jpa-: I used to be verilog only, but have been doing vhdl for the last 2 years.
2012-11-29T17:56:43 < dongs> which immediately disqualifies it from being useful
2012-11-29T17:56:44 < emeb_mac> starting to forget verilog.
2012-11-29T17:56:58 < dongs> vhdl is fucking unreadable
2012-11-29T17:57:04 < dongs> at least veriblog makes sense if you know C
2012-11-29T17:57:16 < dongs> .. for a very short time. then it's just WTF territory .
2012-11-29T17:57:33 < jpa-> vhdl makes sense if you know ada
2012-11-29T17:57:35 < Laurenceb> https://github.com/Laurenceb/Chibi-Spectro/blob/master/threads/EKF_Pressure.c
2012-11-29T17:57:42 < Laurenceb> finally finished code...
2012-11-29T17:57:47 < jpa-> Laurenceb does not make sense
2012-11-29T17:57:50 < zyp> jpa-, even when it's working properly, it's way below the usability of the total phase software
2012-11-29T17:57:51 < emeb_mac> dongs: you could do it - just have to have a reason.
2012-11-29T17:57:58 < Laurenceb>  - high speed linear actuator driver is finished
2012-11-29T17:57:58 < dongs> emeb_mac: i had plenty of reasons.
2012-11-29T17:58:03 < dongs> emeb_mac: shit just doesnt make sense.
2012-11-29T17:58:05 < jpa-> https://github.com/Laurenceb/Chibi-Spectro/blob/master/threads/EKF_Pressure.c#L206   lovely
2012-11-29T17:58:23 < jpa-> zyp: very probable
2012-11-29T17:58:27 < zyp> jpa-, so in this case, dongs' «lol open source shit» does hold some value
2012-11-29T17:58:37 < jpa-> zyp: though the price range is totally different also :)
2012-11-29T17:58:42 < dongs> heh
2012-11-29T17:58:44 < zyp> of course
2012-11-29T17:59:08 < zyp> but I don't hate closed source tools for being closed source
2012-11-29T17:59:34 < zyp> when they work like I want them to and they are available to me, I gladly use them
2012-11-29T17:59:48 < jpa-> btw, am i the only one who thinks that all modern scopes have a terrible user interface? like tektronix and other 'high-end' manufacturers also? 
2012-11-29T17:59:57 < zyp> no
2012-11-29T17:59:58 < Laurenceb> jpa-: who needs braces
2012-11-29T18:00:16 < jpa-> Laurenceb: it's not the braces that are missing there
2012-11-29T18:00:23 < Laurenceb> whats missing?
2012-11-29T18:00:30  * emeb_mac -> bike. l8rs
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2012-11-29T18:00:36 < karlp> the comments flying off into the void past the end of the line
2012-11-29T18:00:39 < jpa-> not that line but that area of the code :D
2012-11-29T18:00:53 < Laurenceb> shrug
2012-11-29T18:00:57 < Laurenceb> use a wide monitor
2012-11-29T18:01:06 < dongs> Laurenceb: i want pic of your space bar
2012-11-29T18:01:13 < dongs> on the keyboard you use hte most
2012-11-29T18:01:17 < Laurenceb> lol
2012-11-29T18:01:58 < zyp> heh
2012-11-29T18:02:10 < zyp> reminds me of a discussion I had once
2012-11-29T18:02:28 < zyp> I remarked that someone had the wear on their spacebar on the opposite side of me
2012-11-29T18:02:54 < dongs> hmm
2012-11-29T18:02:56 < dongs> wher is yours?
2012-11-29T18:03:00 < dongs> left or right.
2012-11-29T18:03:01 < zyp> my spacebar only shows wear on the left side, since I'm always using the left thumb for it
2012-11-29T18:03:05 < jpa-> mine is on right
2012-11-29T18:03:07 < dongs> right..
2012-11-29T18:03:12 < dongs> i dont think i ever hit space with right htrumb
2012-11-29T18:03:21 < zyp> me neither
2012-11-29T18:03:34 < dongs> those weird vhdl coders must use right hand to press space.
2012-11-29T18:03:48 < jpa-> also for some reason N has the most wear on my keyboard
2012-11-29T18:04:02 < dongs> C is mine.
2012-11-29T18:04:19 < dongs> C, >, L, V.
2012-11-29T18:04:31 < dongs> those have some part of hte paint gone.
2012-11-29T18:04:38 < dongs> oh, ? also.
2012-11-29T18:04:39 < zyp> sounds like a lot of control-c control-v
2012-11-29T18:04:43 < dongs> ha ha
2012-11-29T18:05:40 < jpa-> indeed
2012-11-29T18:05:46 < jpa-> one of my coworkers has the same
2012-11-29T18:06:01 < dongs> shit, 1a,m
2012-11-29T18:06:03 < dongs> sleep time
2012-11-29T18:08:29 < karlp> (right hand side of space bar, 'n' or 't' here)
2012-11-29T18:08:57 < zyp> I'm not sure which of my keys shows most wear, it's hard to distinguish
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2012-11-29T19:24:07 < jpa-> hmm, have to coalesce repeated packets on the FPGA.. it's too slow to do that in software
2012-11-29T19:24:31 < jpa-> the CDC constant IN, NAK, IN, NAK stream fills buffers very quickly :)
2012-11-29T19:25:02 < emeb> just compare current with previous and increment a counter?
2012-11-29T19:25:38 < jpa-> kind-of, but because the packet lengths vary it is a bit troublesome to do that in hardware
2012-11-29T19:25:51 < emeb> that would be harder
2012-11-29T19:26:11 < emeb> making complex decisions in hardware is... a nuisance.
2012-11-29T19:26:31 < emeb> maybe put in a tiny/fast microprogrammed state machine?
2012-11-29T19:26:50 < emeb> something like the Xilinx picoblaze?
2012-11-29T19:27:31 < jpa-> no way that would fit :P
2012-11-29T19:28:14 < emeb> small fpga? picoblaze is pretty compact.
2012-11-29T19:28:51 < jpa-> very small, 4000 logic elements
2012-11-29T19:29:02 < emeb> that's tight.
2012-11-29T19:29:19 < jpa-> i guess i'll limit it to the repeated token packets.. that way i can know that each packet is at most 4 bytes long
2012-11-29T19:30:09 < emeb> heck - you could almost make a special flag for those & recognize them individually.
2012-11-29T19:30:15 < jpa-> indeed
2012-11-29T19:30:30 < jpa-> i think IN, NAK is the most common anyway when host polls the device
2012-11-29T19:30:42 < jpa-> i can add others later if they cause trouble
2012-11-29T19:30:56 < emeb> compress down to flag + type + counter
2012-11-29T19:31:19 < jpa-> well IN packets have the endpoint number, so not exactly that trivial
2012-11-29T19:31:43 < jpa-> but i'll just have a 12 byte shift register and compare it to the expected pattern
2012-11-29T19:32:01 < emeb> works
2012-11-29T19:32:46 < jpa-> yep, quite limited but solves the common case
2012-11-29T19:33:13 < jpa-> i can do others in software, but when the host polls at 1kHz, the hardware fifo fills up unnecessarily fast
2012-11-29T19:34:20 < emeb> can't poll faster?
2012-11-29T19:34:53 < jpa-> i mean that the USB host polls at 1kHz
2012-11-29T19:34:59 < jpa-> when it is waiting for data from a device
2012-11-29T19:35:01 < emeb> ah
2012-11-29T19:35:29 < jpa-> i poll the FPGA as often as i can.. but the CPU is not that fast and PAWN slows it down even more :P
2012-11-29T19:35:55 < emeb> right
2012-11-29T19:36:03 < emeb> need moar buffer
2012-11-29T19:37:18 < jpa-> i already did deduplication in software.. but turns out it takes more than 1ms to read and compare the packets in pawn :P
2012-11-29T19:38:47 < emeb> pawn = ?
2012-11-29T19:38:55 < jpa-> small interpreted language
2012-11-29T19:39:02 < jpa-> it may be a little bit daft to waste CPU time by running pawn, but on the other hand i don't think i could have gotten it working so fast if i was writing it in C
2012-11-29T19:39:19 < emeb> true
2012-11-29T19:39:37 < emeb> 'spose you could move that from pawn to c.
2012-11-29T19:39:53 < jpa-> yeah, they are fairly similar in syntax so it's not that hard to port later
2012-11-29T19:40:05 < emeb> can you extend pawn with added c function?
2012-11-29T19:40:14 < jpa-> yeah
2012-11-29T19:40:34 < jpa-> but i haven't implemented dynamically loading C modules; so i would have to compile them into the runtime
2012-11-29T19:41:00 < emeb> yep
2012-11-29T19:41:44 < emeb> would be cute to be able to download binary blobs to RAM & execute from the script though.
2012-11-29T19:42:20 < jpa-> yeah, but linking would be hard
2012-11-29T19:42:38 < emeb> no doubt
2012-11-29T19:42:42 < jpa-> it could work for a single runtime version, but if the runtime is recompiled all the libc stuff etc. moves around
2012-11-29T19:43:20 < emeb> you'd need a symtab for every build of the runtime
2012-11-29T19:43:40 < jpa-> i should study how nuttx does it, it apparently stores a symbol table in the program if dynamic elf loading is enabled
2012-11-29T19:44:10 < emeb> neat idea
2012-11-29T19:56:04 < karlp> jpa, you'd tried using lua as well hadn't you? does pawn fit in smaller spaces than lua?
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2012-11-29T20:14:42 < TitanMKD> hello
2012-11-29T20:15:19 -!- |akaWolf| [~akaWolf@188.134.9.161] has quit [Ping timeout: 256 seconds]
2012-11-29T20:15:34 <+Steffanx> Salut TitanMKD
2012-11-29T20:15:34 < emeb> olleh
2012-11-29T20:16:10 < TitanMKD> for those interested I have done M0 code for LPC43xx
2012-11-29T20:16:22 < TitanMKD> and I have dual core working at same time M4 + M0
2012-11-29T20:16:31 < emeb> cool - what does the m0 code do?
2012-11-29T20:16:58 < TitanMKD> it blink a led and do some benchmark test ;)
2012-11-29T20:17:07 < emeb> baby steps
2012-11-29T20:17:10 < TitanMKD> mainly to check waitstate and theory ;)
2012-11-29T20:17:57 < TitanMKD> and the theory is right i blink GPIO at about 51MHz so a STR take 2 cycles (at 204MHz MCU core freq)
2012-11-29T20:19:40 < jpa-> karlp: way smaller
2012-11-29T20:20:08 < karlp> pity, I'm using lua at work a fair bit.
2012-11-29T20:20:28 < jpa-> karlp: i haven't tried lua on STM32, but it takes on order of 100 kB; my entire pawn runtime, which includes interpreter + libc + platform specific code, is only 30kB
2012-11-29T20:20:45 < jpa-> but lua is more powerful as a language
2012-11-29T20:21:08 < jpa-> pawn doesn't have function objects nor anything like a class
2012-11-29T20:21:15 < karlp> how do y ou "upload" new pawn scripts?
2012-11-29T20:21:25 < jpa-> copy to usb mass-storage
2012-11-29T20:21:27 < karlp> do you have to reflash everything each time?
2012-11-29T20:21:50 < jpa-> nope, compile .pawn -> .amx with pawncc, and copy the .amx file to the filesystem
2012-11-29T20:22:23 < karlp> and nuttx provides the usb-mass-storage thing with some C to bootstrap pawn interpreter?
2012-11-29T20:22:34 < jpa-> nah, nuttx is not related to this project :P
2012-11-29T20:22:47 < emeb> bare-metal app?
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2012-11-29T20:23:06 < jpa-> yeah, this one is on bare-metal, with the USB MSC being the ST's own library
2012-11-29T20:23:37 < TitanMKD> it's on STM32F4 ?
2012-11-29T20:23:37 < emeb> is the usb msc just a part of flash?
2012-11-29T20:23:54 < TitanMKD> I will like to know if ST USB lib support USB 2.0 HS
2012-11-29T20:23:56 < jpa-> no, it's a 2MB SPI flash chip
2012-11-29T20:24:06 < emeb> nice
2012-11-29T20:24:13 < jpa-> nice in a way, yeah
2012-11-29T20:24:26 < jpa-> quite slow and small, they could have used microsd instead :P
2012-11-29T20:24:52 < emeb> emmc?
2012-11-29T20:25:37 < upgrdman> anyone here intefaced with a 320x240 color lcd in spi mode (mine has a ssd1289 controller)? it says the the bytes should be MSB-first, but the registers are all 16 bits long. it doesn't say which bytes must be sent first.
2012-11-29T20:25:52 < jpa-> emeb: emmc seems expensive and hard-to-find :P
2012-11-29T20:26:03 < emeb> jpa-: so I've heard.
2012-11-29T20:26:36 < emeb> upgrdman: why not grab the arduino interface code for that from adafruit and see how they did it?
2012-11-29T20:27:06 < upgrdman> didnt know ada did it. ok. will look. thanks
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2012-11-29T20:28:47 <+Steffanx> Claude and his fancy irc feature
2012-11-29T20:28:51 < emeb> hmm - adafruit may not have an ssd1289 version.
2012-11-29T20:29:12 < emeb> they've got about 3 or 4 different controllers that they support...
2012-11-29T20:29:26 < Claude> aww sorry Steffanx , this should end soon :)
2012-11-29T20:29:36 <+Steffanx> I actually don't really care :)
2012-11-29T20:29:47 < Claude> but you commented on it ;)
2012-11-29T20:29:50 < jpa-> Claude: no, don't break up with Steffanx, he will be so very unhappy
2012-11-29T20:30:00 <+Steffanx> Yeah, but i comment on so many things Claude
2012-11-29T20:30:07 < upgrdman> i've got the lcd working with some fsmc code (i think its fsmc... i didnt write it) but i want to connect it to an r pi, which doesn't have enough gpios for its parallel interface.
2012-11-29T20:30:17 <+Steffanx> jpa- you already made my a unhappy man
2012-11-29T20:30:21 < Claude> ok one for Steffanx :)
2012-11-29T20:30:25 -!- Claude is now known as claude
2012-11-29T20:30:29 -!- claude is now known as Claude
2012-11-29T20:30:34 -!- Claude is now known as Claude_work
2012-11-29T20:30:42 -!- Claude_work is now known as Claude
2012-11-29T20:30:53 < upgrdman> wtf claude. pick a nick?
2012-11-29T20:31:01 < emeb> nickpicking
2012-11-29T20:31:09 < Claude> picky nick
2012-11-29T20:31:19 < emeb> pick a nick basket
2012-11-29T20:37:10 <+Steffanx> http://www.renesys.com/blog/2012/11/syria-off-the-air.shtml heh
2012-11-29T20:39:24 < emeb> yoiks.
2012-11-29T20:39:34 < emeb> looks like more than just backhoe bob.
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2012-11-29T23:06:56 < upgrdman> planning to interface with an spi device that uses 16bit registers. if i need to read a 16bit value, is this the most efficient way to do it (its MSbyte first) ... uint_8t number;   number = getByte() << 8;   number |= getByte();    ? and would i need to cast the first getByte() as a uint16_t?
2012-11-29T23:14:25 < TitanMKD> upgrdman the most efficient way is to configure SPI in 16bits mode
2012-11-29T23:14:43 < TitanMKD> but it depends on which MCU you are working all does not support SPI 16bit mode
2012-11-29T23:15:26 < TitanMKD> some can even be configure with little/big endian to swap the 2 bytes automatically
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2012-11-29T23:31:38 < upgrdman>  f0. will have to go over the refman again, but i did not recall a 16bit mode
2012-11-29T23:41:47 < Laurenceb_> refman sounds like some rapper
2012-11-29T23:42:20 < Laurenceb_>  ... who raps about processors
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--- Day changed Fri Nov 30 2012
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2012-11-30T00:09:37 < karlp> upgrdman: just don't do uint8_t number, and then number = xxxx << 8.
2012-11-30T00:09:48 < karlp> it has a tendency to toss things away you thought you were keeping
2012-11-30T00:11:52 < upgrdman> hum
2012-11-30T00:12:03 < upgrdman> looks like i had a typo. i meant uint16_t number;
2012-11-30T00:12:40 < upgrdman> so "number = getByte() << 8;" would or would not loose info?
2012-11-30T00:12:54 < upgrdman> getByte() returns a uint8_t
2012-11-30T00:14:28 < upgrdman> i'll just typecast with (uint16_t) getByte()
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2012-11-30T00:33:06 < zyp> *yawn*
2012-11-30T00:33:14 < zyp> anything happening today?
2012-11-30T00:33:16 < emeb> boy howdy. me too.
2012-11-30T00:33:38 < emeb> got your new SD card talking yet?
2012-11-30T00:34:19 < zyp> no, I just got home from a work party
2012-11-30T00:34:33 < emeb> work party. sounds like an oxymoron.
2012-11-30T00:34:42 < zyp> well, celebration or whatever
2012-11-30T00:34:54 < zyp> ten year anniversity
2012-11-30T00:35:08 < emeb> ah - not a 'yay we shipped on schedule' thing.
2012-11-30T00:35:11 < zyp> anniversary?
2012-11-30T00:35:20 < emeb> :)
2012-11-30T00:35:34 < emeb> get an education at a universary.
2012-11-30T00:36:18 < zyp> heh :p
2012-11-30T00:37:56 < emeb> my client posted a teaser for the F4-based audio delay I've been doing: http://www.muffwiggler.com/forum/viewtopic.php?t=72748
2012-11-30T00:38:07 < zyp> heh
2012-11-30T00:38:10 < zyp> muffwiggler
2012-11-30T00:38:22 < emeb> yeah. a strange subculture.
2012-11-30T00:42:12 < Laurenceb_> Love delays, Euro has been so lacking in hifi delays!
2012-11-30T00:42:17 < Laurenceb_> what the actual fuck
2012-11-30T00:43:19 < emeb> Laurenceb_: you do Eurorack synths?
2012-11-30T00:44:43 < Laurenceb_> ...
2012-11-30T00:45:04 < ds2> aren't there analog delay lines that do that?
2012-11-30T00:45:49 < emeb> ds2: bucket-brigade delay lines (BBD) were the standard approach, but there aren't many mfgs making them these days.
2012-11-30T00:46:00 < emeb> and digital approaches are a lot cheaper.
2012-11-30T00:46:43 < emeb> plus, you can't get more than about 4k samples delay with BBDs, and the SNR degrades the longer the line is.
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2012-11-30T00:58:27 < ds2> ah
2012-11-30T00:58:36 < ds2> BBD was exactly what I was thinking of
2012-11-30T00:59:40 < emeb> they're strange beasts. Apparently originally designed for video processing, they got hijacked for audio effects back in the 70s.
2012-11-30T01:00:15 < ds2> I remember reading about in Don lancaster's column back in the 80's
2012-11-30T01:00:24 < emeb> but now the only ones you can get are either NOS from the dim time, or chinese knock-offs that don't perform very well.
2012-11-30T01:01:14 < emeb> Don Lancaster... he's a character.
2012-11-30T01:01:28 < emeb> I met him once at a hamfest here in Mesa.
2012-11-30T01:01:42 < emeb> He lives down in SE AZ.
2012-11-30T01:01:49 < ds2> can't you do that with a I2S codec + a very long shift register?
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2012-11-30T01:02:02 < ds2> like toward NM?
2012-11-30T01:02:03 < emeb> sure.
2012-11-30T01:02:19 < zyp> why use a shift register when you can use a ringbuffer?
2012-11-30T01:02:37 < ds2> ring buffer?
2012-11-30T01:02:39 < emeb> which is basically what this is, plus some DSP.
2012-11-30T01:02:52 < emeb> for filtering, sample rate changes, etc.
2012-11-30T01:03:10 < ds2> I was thinking of a long shift register connecting the in and out lines of the I2S interface back to itself... so input via the in and delayed out via the out
2012-11-30T01:03:15 < ds2> no processor involved :D
2012-11-30T01:03:33 < emeb> why not?
2012-11-30T01:03:39 < zyp> how do you adjust the delay amount? :p
2012-11-30T01:03:50 < ds2> take out bits in the S/R
2012-11-30T01:03:53 < emeb> but it's probably hard to find a single-bit SR that's long enough.
2012-11-30T01:04:04 < ds2> FPGAs
2012-11-30T01:04:36 < emeb> eh - now you've changed the dynamic. might as well use an MCU.
2012-11-30T01:04:43 < zyp> also, why do you insist on doing it the hard way? :p
2012-11-30T01:04:46 < ds2> I mean real dumb FPGA
2012-11-30T01:04:54 < ds2> I find MCU's doing it the hardway
2012-11-30T01:05:11 < zyp> all fpgas are equally dumb, more or less.
2012-11-30T01:05:22 < emeb> I've done it both ways. MCU is a lot easier, and I'm pretty good with HDL.
2012-11-30T01:05:33 < zyp> they all are a bunch of LUTs and muxes
2012-11-30T01:06:14 < ds2> how much delay are you talking about anyways?
2012-11-30T01:06:36 < zyp> linked page says 5.6 seconds
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2012-11-30T01:06:47 < ds2> okay, nevermind
2012-11-30T01:07:06 < emeb> Yup - stereo @ 48kHz - uses a 512k x 16-bit PSRAM for the buffer.
2012-11-30T01:07:12 < zyp> that's about a megabyte of storage for one I2C stream
2012-11-30T01:07:14 < zyp> hah
2012-11-30T01:07:26 < emeb> give that man a cigar.
2012-11-30T01:07:39 < zyp> emeb, I figured that's the 5.6s figure were from ;)
2012-11-30T01:07:44 < zyp> uh
2012-11-30T01:07:46 < zyp> rearrange that.
2012-11-30T01:08:03 < emeb> I've got a sinc interpolator that can resample down 8x, so it's possible to get ~44s delay.
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2012-11-30T01:08:23 < emeb> but the bandwidth reduces to ~3kHz.
2012-11-30T01:10:23 < emeb> I hooked an I2S codec up to a Digilent FPGA board w/ a big PSRAM for a fairly long delay done in HW: http://ebrombaugh.studionebula.com/synth/codec_pmod/index.html
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2012-11-30T01:37:04 < zyp> ah, I'm not sending the right arguments with CMD8, which is ignored by SDSC cards but required by SDHC cards
2012-11-30T01:37:34 < zyp> oh, wait
2012-11-30T01:37:36 < zyp> I am.
2012-11-30T01:41:02 < zyp> and CMD8 is returning the correct argument
2012-11-30T01:47:02 < zyp> heh, for some reason the card doesn't advertise being a SDHC
2012-11-30T01:48:29 < zyp> ah, that bit is not valid when the card is busy
2012-11-30T01:51:20 < emeb> leave me alone - I'm busy.
2012-11-30T01:52:30  * karlp waits for the RTC INITF flag to clear.
2012-11-30T01:54:30 < karlp> think I'll go to bed instead.
2012-11-30T01:55:14 < emeb> hmm.. slow flags.
2012-11-30T02:00:10 < dongs> sup dongs
2012-11-30T02:04:47 < emeb> 'lo dongs. how's it hangin?
2012-11-30T02:05:31 < dongs> unsure. up since 7.30
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2012-11-30T02:22:58 < dongs> flyback, the bringer of old news
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2012-11-30T03:23:39 < rigid> i thought about releasing mine, but it has a bug (flash gets erased after a few power-cycles despite I took measures like mentioned in http://tinyurl.com/cxlbon2) ... would anyone be interested in using it/help fixing the bug?
2012-11-30T03:24:16 < rigid> i guess most people use the BOOTx pin(s) and pushbuttons for the builtin bootloader
2012-11-30T03:26:38 < dongs> rigid: wat
2012-11-30T03:26:57 < dongs> whats the context here
2012-11-30T03:29:11 < rigid> dongs: context? i use a (i think nice) DFU bootloader for the STM32F103C8 which i would release, but it has a bug i'm not able to fix in the next time. so i wonder if there is someone who would be interested in looking at it
2012-11-30T03:29:25 < rigid> after all, it's useless to release buggy code if it won't be fixed
2012-11-30T03:29:39 < dongs> USB bootloader or something? there are a few that work
2012-11-30T03:29:49 < dongs> whatws wrong wiht the one thats in ROM already?
2012-11-30T03:30:10 < rigid> i guess it's some small thing. i didn't finally grasped linking & boot modes... also about flash protection i'm not sure of
2012-11-30T03:30:41 < rigid> dongs: do you know one that's fully DFU compliant and works without external push buttons?
2012-11-30T03:30:51 < ds2> the only way to get a USB bootloader on the F103 is to put in flash, right?
2012-11-30T03:30:52 < rigid> i searched for it about a year ago or so
2012-11-30T03:31:10 < dongs> rigid: duno about DFU, shit from openpilot doesn't need any buttons
2012-11-30T03:31:56 < rigid> dongs: DFU = device firmware upgrade standard... a standard for upgrading firmware :)
2012-11-30T03:32:02 < rigid> ...via USB
2012-11-30T03:32:13 < dongs> yeah, i know.
2012-11-30T03:32:16 < rigid> platform independent etc.
2012-11-30T03:32:24 < ds2> rigid: where do you get the DFU firmware?
2012-11-30T03:32:28 < dongs> very little care about that.
2012-11-30T03:32:54 < dongs> i use the built in rom bootloader and it works great.
2012-11-30T03:33:10 < rigid> ds2: you generate a checksum according to the DFU spec and generate the file from this checksum and the .bin file that is uploaded
2012-11-30T03:33:36 < ds2> rigid: no, I mean the bootloader since the F103 doesn'thave it in ROM
2012-11-30T03:33:39 < rigid> dongs: the builtin one? how can you upgrade firmware without buttons then?
2012-11-30T03:34:07 < dongs> i guess he wrote it
2012-11-30T03:34:12 < dongs> rigid: i jump to bl from firmware
2012-11-30T03:34:14 < dongs> no buttons.
2012-11-30T03:34:44 < rigid> yeah I wrote one
2012-11-30T03:35:09 < dongs> rigid: set flag (my impl, just in sram, but can use bkup ram for it too), reset vector code checks it, if flag is set, it jumps to rom bootloader.
2012-11-30T03:35:14 < rigid> dongs: hm... and you receive the firmware via USB?
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2012-11-30T03:35:30 < dongs> rigid: my shit has usb>serial on board.
2012-11-30T03:35:40 < rigid> ah... i'm using the builtin USB
2012-11-30T03:35:53 < rigid> iirc the internal DFU bootloader can only update from USART
2012-11-30T03:36:03 < dongs> on f103 yes
2012-11-30T03:36:16 < dongs> on otg f0x, f2, f4, f3 it has a USB one in ROM as well
2012-11-30T03:36:17 < rigid> not via USB (which is strange, since DFU came with USB... despite it works with any serial connection)
2012-11-30T03:36:36 < rigid> dongs: ah yeah.. that could be. i only know the f103
2012-11-30T03:39:58 < dongs> anyway, im sure there are people who would care about opensauce f103 dfu bootloader, have you considered sticking it on github with a warning about the bug? :)
2012-11-30T03:40:09 < dongs> how many flash pages does it take up?
2012-11-30T03:40:14 < dongs> the shit in openpilot is about 12k i think
2012-11-30T03:40:51 < rigid> the image has 14264 bytes... it could be optimized I guess
2012-11-30T03:41:04 < dongs> ok so pretty simlar
2012-11-30T03:41:20 < rigid> yeah i'm thinking about it, but it's like begging "please fix my bug" :) i'm not sure...
2012-11-30T03:41:34 < dongs> if they dont like the bug they'll fix it.
2012-11-30T03:41:52 < rigid> if there's no alternative, that might be
2012-11-30T03:46:31 < dongs> i just use usbserial and flash loader demonstrator shit. dont really care for more user friendliness.
2012-11-30T03:46:41 < dongs> if i was gonna use F3/F4 design i'd just use th built in DFU stuff as well
2012-11-30T03:50:07 < dongs> the way i see it is, theres always gonna be dumb users. no matter how hard you try to make bootloader idiot-proof, there will be better idiots. I mean I've had users complain they couldn't flash it using ROM bootloader! "i think the bootloader is correputed, it doesnt work"
2012-11-30T03:50:11 < dongs> Riiiiiiiiiiiiiiiight.
2012-11-30T03:50:16 < dongs> ROM bootloader gets corrupted, news at 11.
2012-11-30T03:54:27 < Bird|lappy> dongs: wow.
2012-11-30T03:55:13 < rigid> dongs: despite the bug, my bootloader works really foolproof... DFU is really neat for that
2012-11-30T03:55:32 < rigid> at least you can't brick the device...
2012-11-30T03:55:44 < dongs> REALLY now?
2012-11-30T03:55:52 < dongs> i bet i could get dumbfucks who use my shit to brick it in 5 minutes :)
2012-11-30T03:56:18 < rigid> well, i haven't tested with other DFU apps latetly... it's hard to find one that fully complies to the specs
2012-11-30T03:56:27 < rigid> :)
2012-11-30T03:57:05 < rigid> DFU is a nice idea that never found much attention sadly
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2012-11-30T04:29:03 < emeb_mac> feeling puerile http://ow.ly/fHlCO
2012-11-30T04:33:42 < dongs> awesome
2012-11-30T04:33:45 < dongs> retweeting
2012-11-30T04:37:05 < emeb_mac> "it's funny because it's true"
2012-11-30T04:37:05 < dongs> http://i.imgur.com/bUbXW.jpg
2012-11-30T04:37:33 < emeb_mac> caption: "there, i fixed it for ya"
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2012-11-30T05:10:03 < Devilholk> Hmm. I must have missed something. I check if the I2C bus is busy, which it is not (though scope says both SCL and SDA is low when this happens). Then I gen. start condition and wait for I2C_EVENT_MASTER_MODE_SELECT where I get stuck waiting. Both lines will still be down when that happens.
2012-11-30T05:10:46 < dongs> you probably have a slave holding shit down
2012-11-30T05:10:54 < Devilholk> No slaves connected
2012-11-30T05:10:58 < Devilholk> Just the scope
2012-11-30T05:11:02 < dongs> ..
2012-11-30T05:11:05 < dongs> is shit pulled up
2012-11-30T05:11:09 < Devilholk> Yes
2012-11-30T05:11:19 < dongs> why you have nothing conencted then
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2012-11-30T05:11:55 < Devilholk> Because I want to make it generate a start condition to start with since it is going to be bus master
2012-11-30T05:13:14 < dongs> if your stuff is low when you start, something is wrong
2012-11-30T05:13:25 < dongs> reset i2c peripheral wiht rcc
2012-11-30T05:13:26 < baird> Trying out the retrobrite (gel) stuff now..
2012-11-30T05:13:32 < emeb_mac> sure you set the GPIO up right for i2c?
2012-11-30T05:14:01 < Devilholk> emeb_mac: I think so, alternate function, open drain
2012-11-30T05:14:19 < Devilholk> I just realized something, I call I2C_Init after I2C_Cmd enable. maybe that is it
2012-11-30T05:14:26 < emeb_mac> Devilholk: do you ever see both clk / data high?
2012-11-30T05:14:35 < Devilholk> emeb_mac: Only when in reset
2012-11-30T05:15:26 < Devilholk> That made no diff
2012-11-30T05:15:49 < Devilholk> It must be something very obvious >.< I better quadruplecheck stuff again
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2012-11-30T05:21:12 < Devilholk> This is my code http://paste.debian.net/213466/ and I can't figure this one out at all >.<
2012-11-30T05:22:17 < Devilholk> Some comments are not correct, the ones not relating to i2c
2012-11-30T05:22:23 < Devilholk> I have been changing stuff and not changed the comments
2012-11-30T05:22:33 < dongs> haha dma
2012-11-30T05:22:59 < Devilholk> Yeah, thought DMA would be harder to get working
2012-11-30T05:23:05 < Devilholk> but it was pretty simple =)
2012-11-30T05:23:12 < dongs> Devilholk: http://code.google.com/p/afrodevices/source/browse/trunk/baseflight/src/drv_i2c_soft.c here's what I recomend for you :)
2012-11-30T05:23:44 < Devilholk> I can implement i2c by bitbanging it if I want
2012-11-30T05:23:55 < Devilholk> But why would I when there is a DMA capable hardware module?
2012-11-30T05:24:24 < dongs> are you even able to step through this code/
2012-11-30T05:24:28 < dongs> or is it all printf debugging
2012-11-30T05:25:09 < Devilholk> I print stuff for now but I could add break points using the usart if I want
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2012-11-30T05:26:04 < Devilholk> But this is such a "early" problem. It keeps holding the bus low
2012-11-30T05:26:10 < Devilholk> Must be something really silly I have done
2012-11-30T05:26:31 < Devilholk> Like forgetting some clock or something
2012-11-30T05:26:33 < dongs> power off, flash without run, step through
2012-11-30T05:27:29 < Devilholk> Now I wish I had a programming interface to this thing ^^
2012-11-30T05:27:53 < Devilholk> But I didn't think I would need one, booting this one over usart via an onboard FTDI chip
2012-11-30T05:28:17 < dongs> tarduino mindset doesn't work on proper processors.
2012-11-30T05:30:35 < Devilholk> Both lines go down when gpio is configured, which is expected since I haven't told them to be up
2012-11-30T05:31:06 < Devilholk> But when I activate the i2c peripheral, shouldn't it release both lines until I tell it to do something?
2012-11-30T05:31:28 < Devilholk> I mean, since they are alternate functions, I can't control them anyway, right?
2012-11-30T05:31:30 < dongs> if they're OD.. and you have resistors to vcc..
2012-11-30T05:31:32 < dongs> they WILL be up
2012-11-30T05:31:42 < Devilholk> As soon as I configure IO they get pulled down
2012-11-30T05:32:09 < Devilholk> I'll uncomment the part configuring those two pins to be 100%
2012-11-30T05:34:27 < Devilholk> As I expected, now they stay high
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2012-11-30T05:42:18 < Devilholk> Now I have an inf loop with I2C_GenerateSTART and I2C_GenerateSTOP with 10 mS delay between them. Nothing on the scope.
2012-11-30T05:42:54 < Devilholk> Hmm. I wonder if the I2C peripheral may enter some odd state or something. Better check out every flag once again
2012-11-30T05:45:18 < dongs> stop wasting time and get a debugger.
2012-11-30T05:46:20 < emeb_mac> why they gotta make everything so hard?
2012-11-30T05:46:36 < Devilholk> It is not hard, it is just that I don't know how to do it
2012-11-30T05:47:03 < emeb_mac> what - use a debugger?
2012-11-30T05:47:41 < Devilholk> No, how to use i2c using the st std perhiperal libs
2012-11-30T05:49:51 < Devilholk> Maybe found the issue
2012-11-30T05:50:04 < Devilholk> Clock speed needs to be lower than 400 kHz, I have it on 400 kHz
2012-11-30T05:50:22 < Devilholk> This kind of suck, want to use I2C on 1MHz, guess I have to bit bang it after all
2012-11-30T05:51:20 < Devilholk> Though #define IS_I2C_CLOCK_SPEED(SPEED) (((SPEED) >= 0x1) && ((SPEED) <= 400000))  says it can be 400 kHz
2012-11-30T05:52:13 < upgrdman> what mcu cant handle >400khz i2c?
2012-11-30T05:52:59 < Devilholk> stm32f100c6t6b unless they are writing BS in the library driver
2012-11-30T05:53:36 < upgrdman> wonder why so slow. overly weak internal pull-up maybe?
2012-11-30T05:54:23 < Devilholk> Maybe but I use external ones. But that is a later problem, found a weird thing
2012-11-30T05:54:49 < Devilholk> The library divides 8000000 with 1000000 to set the frequency range of the i2c peripheral
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2012-11-30T05:54:56 < Devilholk> I wonder if the lib assumes 8 MHz or something
2012-11-30T05:55:16 < Devilholk> The reference manual says I can use the maximum APB freq of 24 MHz
2012-11-30T05:58:30 < Devilholk> I found the problem
2012-11-30T05:58:37 < Devilholk> The library does not support using PLL on HSI
2012-11-30T05:58:47 < Devilholk> So it returns the wrong clock frequency to the function setting up i2c
2012-11-30T05:59:21 < emeb_mac> bizarre
2012-11-30T05:59:31 < dongs> what
2012-11-30T06:00:39 < gxti> Devilholk: which part?
2012-11-30T06:02:18 < Devilholk> STM32F100C6T6B as part, version 3.5.0 of std periphera library
2012-11-30T06:02:57 < gxti> to my knowledge for F1 at least APB1 maxes out at 36mhz, which is also the fastest you can rul the PLL from HSI
2012-11-30T06:03:45 < dongs> are you running off HSI?
2012-11-30T06:04:05 < dongs> did you make changes to system_stm32fxx.c to actually enable running at 64MHz from HSI, because default ends up being 8mhz
2012-11-30T06:04:40 < gxti> stdperiph definitely shouldn't have any issues running from hsi, considering that's the default and all
2012-11-30T06:04:47 < dongs> http://i.imgur.com/rklQ1.jpg
2012-11-30T06:05:07 < dongs> gxti: sure, if you're ok wiht "default" of 8mhz
2012-11-30T06:05:35 < gxti> i explained that poorly, more i meant you don't have to tell it how fast the HSI is
2012-11-30T06:05:39 < gxti> even if using PLL ;p
2012-11-30T06:05:51 < Devilholk> My bad, it looks like it does indeed report the correct freq in RCC_GetClocksFreq
2012-11-30T06:06:17 < Devilholk> Too bad, would be glad to find the problem
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2012-11-30T06:09:08 < Devilholk> I need to try again to find an example of the I2C used
2012-11-30T06:14:05 < dongs> gxti: o rite sure
2012-11-30T06:14:35 < Devilholk> Hmm.. I found a 18M big help file in the standard library. Wine doesn't handle it very well thought
2012-11-30T06:16:27 < dongs> christ.
2012-11-30T06:16:40 < dongs> k, ignoring all the shit you say from now on
2012-11-30T06:16:50 < emeb_mac> heh
2012-11-30T06:17:08 < dongs> my last/final suggestion: get a proper dev environment, which means Windows 7 or 8, proper debugger hardware, proper dev tools.
2012-11-30T06:17:39 < Devilholk> dongs: I am not made out of money
2012-11-30T06:17:58 < dongs> Devilholk: perhaps arduino is what you want then
2012-11-30T06:18:24 < Devilholk> I don't like arduino, it does everything for me so that I have no idea what goes on under the hood
2012-11-30T06:18:33 < Devilholk> Also it does not produce very optimized code
2012-11-30T06:18:35 < Bird|lappy> dongs, some of us would consider a Windows 7 or 8 box useless for dev work
2012-11-30T06:18:40 < Bird|lappy> esp. 8 :P
2012-11-30T06:18:58 < Bird|lappy> I could live with a W7 box, but don't currently have one ofc
2012-11-30T06:20:15 < Devilholk> Even if I had a proper debugger and an expensive operating system it would help less than if I found an example of someone using i2c and not bit banging it
2012-11-30T06:20:41 < Devilholk> I am currently reading trough the eval helper functions for the evaluation boards
2012-11-30T06:21:01  * Bird|lappy forces dongs to develop for TNS/R Guardian
2012-11-30T06:21:03 < dongs> http://code.google.com/p/afrodevices/source/browse/trunk/baseflight/src/drv_i2c.c < not bigbanged i2c.
2012-11-30T06:21:12 < dongs> good luck figuring out how it works!
2012-11-30T06:22:15 < Devilholk> Thanks
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2012-11-30T06:49:09 < dongs> http://en.wikiquote.org/wiki/Richard_Stallman#On_sex
2012-11-30T06:49:14 < dongs> ^ attn Laurenceb
2012-11-30T06:50:35 < emeb_mac> eww
2012-11-30T07:05:06 < baird> Radiant temperature outside is 50C ..and I just had to cycle through it for 45 minutes..
2012-11-30T07:07:56 < emeb_mac> take lots of water
2012-11-30T07:09:08 < emeb_mac> I remember a 122F (50C) degree here a while back. toasty!
2012-11-30T07:09:58 < emeb_mac> they shut down the airport because the aerodynamic tables only went to 120F back then.
2012-11-30T07:15:08 < baird> Yep, water was essential..
2012-11-30T07:17:12 < dongs> hotter than lunix on TRS-80
2012-11-30T07:17:18 < emeb_mac> lol
2012-11-30T07:17:29 < baird> Shit, the retrobrite is working exactly as advertised. I've reapplied the gel half-way through a 4-hour application, and it's already a lot cleaner looking.
2012-11-30T07:17:53 < baird> There's a Z180 SysV Unix port, fgts
2012-11-30T07:18:05 < emeb_mac> set it outside - i bet the heat will accelerate it.
2012-11-30T07:27:59 < Devilholk> I have used the wrong I2C-bus all along, I knew it was something simple
2012-11-30T07:28:33 -!- ReggieUK [~ReggieUK@5aca5630.bb.sky.com] has quit []
2012-11-30T07:28:34 < emeb_mac> D'oh!
2012-11-30T07:29:36 -!- Rickta59 [~kimballr@cpe-174-106-144-066.ec.res.rr.com] has quit [Ping timeout: 264 seconds]
2012-11-30T07:30:12 < emeb_mac> presented without comment: http://www.westfalia.com/au/en/products_services/proformance_equipment/products/milking_equipment/milking_components/liners/siliconeliner.aspx
2012-11-30T07:30:51 < Bird|lappy> moo!
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2012-11-30T08:03:40 < dongs> hmm
2012-11-30T08:04:01 < dongs> stock oddball 0.5% resistors for dc/dc trim values, or get a trimmer pot
2012-11-30T08:05:37 < dongs> seems i can cover all the voltages I need with a 10k trimpot
2012-11-30T08:06:45 < dongs> hmm, 1K for 1.8V, cute
2012-11-30T08:12:01 -!- Bird|lappy [~Bird|ub3r@unaffiliated/htt-bird] has quit [Read error: Operation timed out]
2012-11-30T08:16:38 < emeb_mac> whats the mfg volume?
2012-11-30T08:17:09 < dongs> seems no need for trimpot
2012-11-30T08:17:13 < dongs> very nice values for the voltages i want
2012-11-30T08:17:18 < dongs> 1.23K, 440R and 1K
2012-11-30T08:17:27 < emeb_mac> easy enough
2012-11-30T08:18:09 < dongs> i might have some trouble wiht 1.23k though :)
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2012-11-30T08:19:50 < emeb_mac> what do you get with 1.24k? That's a std 1%
2012-11-30T08:20:05 < dongs> right, i was just about to try to invert the formula and see
2012-11-30T08:20:50 < dongs> need some wolframalpha
2012-11-30T08:21:05 < emeb_mac> isn't it online somewhere?
2012-11-30T08:21:47 < dongs> http://www.wolframalpha.com/input/?i=Rtrim+%3D+%285.91%2F%28Vout+-+0.591%29%29+solve+for+Vout
2012-11-30T08:21:51 < dongs> motherfucker why doesnt this work
2012-11-30T08:22:00 < dongs> it used to
2012-11-30T08:22:08 < dongs> i bet they now want payware version for solve for shit to work
2012-11-30T08:22:21 < dongs> http://www.wolframalpha.com/input/?i=Y+%3D+%285.91%2F%28X+-+0.591%29%29+solve+for+X
2012-11-30T08:22:25 < dongs> ah this works
2012-11-30T08:23:58 < dongs> 5.35V
2012-11-30T08:24:00 < dongs> still Ok.
2012-11-30T08:24:39 < dongs> 5.36
2012-11-30T08:28:37 < dongs> 442 is also OK, that gives me 3.315V
2012-11-30T08:33:07 < emeb_mac> close enough
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2012-11-30T08:38:12 < dongs> hum i wish tehre was a interactive R1/R2 calculator for LDO
2012-11-30T08:38:16 < dongs> where i could pick common values
2012-11-30T08:38:28 < dongs> having to adjust that trash in wolframalpha sucks
2012-11-30T08:38:57 < dongs> As Vin increases during start-up, the regulator output will track the input until Vin reaches the minimum operating
2012-11-30T08:39:00 < dongs> voltage (typically about 2.2V). For output voltages programmed to 2.0V or below, the regulator output may
2012-11-30T08:39:03 < dongs> momentarily exceed its programmed output voltage during start up. Outputs programmed to voltages above 2.0V
2012-11-30T08:39:06 < dongs> are not affected by this behavior
2012-11-30T08:39:08 < dongs> oops
2012-11-30T08:39:42 < dongs> you'd think this kinda shit would be on a graph
2012-11-30T08:39:45 < dongs> in the datasheet.
2012-11-30T08:39:50 < dongs> what the fuck is "momentarily"
2012-11-30T08:42:32 < emeb_mac> momentarily = for a short time
2012-11-30T08:42:50 < emeb_mac> how short is probably unspecified. :P
2012-11-30T08:42:50 < dongs> 10ms at 2V for 1.5V rated stuff might mean "toasty"
2012-11-30T08:43:01 < emeb_mac> not good
2012-11-30T08:43:13 -!- |sark [~|sark@109.235.51.202] has joined ##stm32
2012-11-30T08:43:42 < emeb_mac> http://www.cracked.com/article_20118_5-things-nobody-tells-you-about-living-in-japan.html
2012-11-30T08:44:28 < emeb_mac> "as far as Japan is concerned, Steve Jobs can go fuck himself"
2012-11-30T08:46:11 < dongs> Many businesses still don't even accept credit cards. A Japanese airline can get you to any corner of the globe without a hassle, so long as you're paying in cash, even if the tickets come up to a few thousand dollars each (and I wish I wasn't speaking from experience).
2012-11-30T08:46:16 < dongs> lmao
2012-11-30T08:46:18 < dongs> funny cuz its true
2012-11-30T08:46:35 < dongs> This is made even more difficult by the fact that I don't think I've ever seen a 24-hour ATM anywhere in Japan. hahahaah
2012-11-30T08:46:40 < dongs> i bitched about this in 2001.
2012-11-30T08:46:42 < dongs> i guess nothign changed.
2012-11-30T08:47:18 < emeb_mac> it's counterintuitive.
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2012-11-30T09:23:18 < baird> Sheeeeeet. http://i.imgur.com/73o2D.jpg
2012-11-30T09:25:52 < emeb_mac> difference between retrogunk & untreated?
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2012-11-30T09:27:34 < baird> yup. That's from a half-day treatment, and I stuffed-up the mixing of the catalyst, but pretty-much a success! :D .. I'll probably retreat the lid a second time when I do the rest of the IIe.
2012-11-30T09:27:53 < emeb_mac> thought you were doing a vic20
2012-11-30T09:29:13 < baird> Used an expendable AppleIIe to test if the chemicals were okay (the H2O3 was from a 'creame' hairdressing product)
2012-11-30T09:30:01 < baird> People have noted that some haircare products have additives like toluene, which attacks the plastic.
2012-11-30T09:30:31 < emeb_mac> lol - toluene in hair stuff. that's gotta be good for you.
2012-11-30T09:31:06 < baird> compared to concentrated hydrogen peroxide? :p
2012-11-30T09:31:31 < emeb_mac> eh - it's just a little oxygen.
2012-11-30T09:31:43 < emeb_mac> you breathe that stuff all day. :)
2012-11-30T09:32:29 < baird> Ahaha, I'm the Oxygen in Hydrogen Peroxide! There's no Nitrogen to keep you safe now!
2012-11-30T09:33:00 < baird> ...and now... I'm going to /OXIDIZE/ all your shit!
2012-11-30T09:33:19 < emeb_mac> Stand back! Nitrogen man is here to save the day!
2012-11-30T09:34:46 < baird> Yeah, it's called "retr0brite". I've been talking about it all day.
2012-11-30T09:38:43 < emeb_mac> l8rs. Zzzzz...
2012-11-30T09:38:50 -!- emeb_mac [~ericb@ip72-201-79-123.ph.ph.cox.net] has quit [Quit: emeb_mac]
2012-11-30T09:42:41 < baird> read about it: http://www.classic-computers.org.nz/blog/2011-01-21-deyellowing-with-oxy-only.htm
2012-11-30T09:43:18 < baird> Oxidizers have been the trick since the Mustard Gas days..
2012-11-30T09:44:02 < baird> I'll most definitely wash my hands with Oxyclean the next time I preserve Habenaro chilis. :)
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2012-11-30T09:45:14 < zyp> dongs, I'm pretty sure any 7/11 ATM is available 24h
2012-11-30T09:45:30 < zyp> and that's nice considering they are among the only ones accepting foreign cards
2012-11-30T09:46:40 < DLPeterson> any openocd+gdb users out there that know how to change where the program starts from after you issue the load command?
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2012-11-30T09:47:11 < DLPeterson> mine halts at the beginning of main() but it hasn't run the setup code, so things don't work properly
2012-11-30T09:47:59 < zyp> rigid, 14k sounds pretty huge for a bootloader
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2012-11-30T09:49:01 < zyp> the one used for BMP is <8k
2012-11-30T09:53:48 < jpa-> DLPeterson: i would assume it takes it from the linker entry point (-e)
2012-11-30T09:54:10 < dongs> dongs
2012-11-30T09:54:16 < jpa-> if you "continue" and then press reset button, it will use the reset vector
2012-11-30T09:56:39 < zyp> don't «continue», restart with «run»
2012-11-30T09:57:02 < jpa-> sure sure, for those happy people for whom it actually works :P
2012-11-30T09:57:10 < jpa-> i trust only my reset button :)
2012-11-30T09:57:16 < zyp> well, I'm not using openocd
2012-11-30T09:57:35 < jpa-> me neither, actually
2012-11-30T09:57:43 < zyp> and I'm not putting reset buttons on my stuff either
2012-11-30T09:58:02 < jpa-> never figured out how to get it to work.. i'm used to just connect to stlink gdbserver, instead of typing 10 lines of crazy 'monitor' commands to openocd
2012-11-30T09:58:43 < zyp> I don't think I had to hit the reset button when I was using stlink either
2012-11-30T09:59:04 < jpa-> i have to do it after i use the flash utility without gdb
2012-11-30T09:59:06 < DLPeterson> i'll try run instead of continue...
2012-11-30T09:59:07 < jpa-> not so much with gdb
2012-11-30T09:59:17 < zyp> ah, I never used that
2012-11-30T09:59:39 < jpa-> but with gdb i use it also, because it is so convenient :D
2012-11-30T09:59:58 < DLPeterson> The "remote" target does not suppport "run"
2012-11-30T10:00:06 < zyp> use extended-remote
2012-11-30T10:00:07 < jpa-> target extended-remote :1234
2012-11-30T10:00:30 < DLPeterson> i'd already done target remote localhost:3333
2012-11-30T10:00:37 < DLPeterson> which connects gdb to openocd
2012-11-30T10:00:49 < DLPeterson> what is extended-remote?
2012-11-30T10:01:05 < zyp> extended version of the remote protocol, obviously
2012-11-30T10:01:18 < zyp> which supports commands to restart execution
2012-11-30T10:01:26 < DLPeterson> zyp, obviously.
2012-11-30T10:01:36 < jpa-> i guess openocd might have something like "monitor reset" also
2012-11-30T10:01:49 < zyp> quite possibly
2012-11-30T10:02:04 < DLPeterson> i have to do mon reset halt, and then it resets at the beginning of the vector table
2012-11-30T10:02:11 < DLPeterson> and that works fine.
2012-11-30T10:02:29 < DLPeterson> my question is how to make the load command do that for me instead of pointing the PC to main()
2012-11-30T10:02:48 < jpa-> set the entry point in ld
2012-11-30T10:02:56 < zyp> umm, load just loads
2012-11-30T10:03:30 < jpa-> -e__Init_Data or similar
2012-11-30T10:03:40 < jpa-> zyp: actually it does set $pc also
2012-11-30T10:03:48 < DLPeterson> load with openocd transfers the bin/hex file to flash.  Then it halts the remote with the PC set to main.
2012-11-30T10:03:56 < zyp> yes, but it doesn't trigger an actual reset
2012-11-30T10:04:02 < jpa-> indeed
2012-11-30T10:04:05 < zyp> and you want to trigger a reset to reset the peripherals
2012-11-30T10:04:10 < jpa-> true
2012-11-30T10:04:23 < zyp> might I suggest writing an alias to both load and reset?
2012-11-30T10:04:41 < dongs> ON = Open pin or -0.2V to +0.3V. max.
2012-11-30T10:04:44 < dongs> whajt the fuck does this mean?
2012-11-30T10:04:47 < DLPeterson> maybe I'll call it myload :)
2012-11-30T10:04:47 < dongs> Open or tied to GND, right?
2012-11-30T10:04:59 < zyp> I call it «flash»
2012-11-30T10:05:06 < zyp> http://cgit.jvnv.net/laks_demo/tree/.gdbinit <- my gdbinit looks like this
2012-11-30T10:05:10 < jpa-> DLPeterson: yeah
2012-11-30T10:05:16 < jpa-> bah
2012-11-30T10:05:19 < jpa-> dongs: yeah
2012-11-30T10:06:05 < ds2> does 6mA for a F103 w/nothing programmed (BOOT0 == BOOT1 == 0) sound reasonable?
2012-11-30T10:06:29 < jpa-> sounds quite little, but maybe it goes to halt mode
2012-11-30T10:06:37 < zyp> no, it goes to lockup
2012-11-30T10:06:42 < cdh> That's why my F4-disco draws with the CPU in a spin loop.
2012-11-30T10:07:10 < jpa-> ah, and it is probably running at only 8MHz
2012-11-30T10:07:10 < zyp> with nothing programmed it would hardfault, then fail handling it and go to lockup
2012-11-30T10:07:13 < dongs> ugh..
2012-11-30T10:07:20 < dongs> power good output of this fucking regulator is open-drain
2012-11-30T10:07:23 < dongs> what the hell is this shit
2012-11-30T10:07:38 < jpa-> dongs: you can pul it up to whatever you want? :)
2012-11-30T10:07:43 < cdh> dongs - need to pull up to vcc?
2012-11-30T10:07:43 < dongs> no, only to 5V max
2012-11-30T10:07:51 < dongs> which i dont have!
2012-11-30T10:07:53 < dongs> until the regulator is on
2012-11-30T10:08:02 < zyp> what are you using power good for?
2012-11-30T10:08:10 < dongs> well, im trying to solve this problem:
2012-11-30T10:08:14 < dongs> As Vin increases during start-up, the regulator output will track the input until Vin reaches the minimum operating voltage (typically about 2.2V). For output voltages programmed to 2.0V or below, the regulator output may momentarily exceed its programmed output voltage during start up. Outputs programmed to voltages above 2.0V are not affected by this behavior.
2012-11-30T10:08:18 < DLPeterson> zyp, jpa- thanks the gdb function approach works perfect.
2012-11-30T10:08:25 < dongs> was gonna use PG for enable pin on this shit
2012-11-30T10:09:30 < cdh> dongs, when it's not PG, it probably pulls the pin low.  You should be able to pull up to the output of the regulator.
2012-11-30T10:09:43 < ds2> but 6mA is not unreasonable?
2012-11-30T10:09:56 < zyp> not really
2012-11-30T10:09:57 < dongs> cdh, its opendrain though, doesnt that mean i need a transistor or whatever on it
2012-11-30T10:10:03 < dongs> to switch
2012-11-30T10:10:11 < dongs> or, fuck im an idiot im thinking open collector
2012-11-30T10:10:23 < ds2> got to wire up a level translator or the stlink to verify more life next (00:10, that's for tomorrow)
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2012-11-30T10:10:39 < ds2> is the UART or the STLink better for verifying life of a new F103 board?
2012-11-30T10:10:45 < zyp> dongs, isn't that the exact same shit?
2012-11-30T10:10:46 < dongs> so yeah just pull to vreg output and ~care right.
2012-11-30T10:10:54 < jpa-> ds2: debug led
2012-11-30T10:10:55 < zyp> collector is to bjt what drain is to fet
2012-11-30T10:11:02 < ds2> jpa-: Debug LED on?
2012-11-30T10:11:06 < zyp> so open collector pretty much equals open drain
2012-11-30T10:11:21 < jpa-> ds2: for example
2012-11-30T10:11:43 < cdh> zyp - that hurts my head.  I think you just did some unified theory thing.
2012-11-30T10:11:45 < cdh> :)
2012-11-30T10:12:18 < zyp> huh?
2012-11-30T10:12:38 < ds2> jpa-: this is a blank board, I am not sure how a debug LED would help
2012-11-30T10:12:52 < ds2> when I get something programmed, I can see a LED helping
2012-11-30T10:12:58 < dongs> ds2: oh, you got your bgastuff assembled?
2012-11-30T10:12:59 < dongs> wheres pics :)
2012-11-30T10:13:01 < ds2> power supply did get verified and the battery charger looks good
2012-11-30T10:13:09 < ds2> dongs: yes!!! I am bring it up step by step
2012-11-30T10:13:11 < zyp> ds2, just stop worrying about that and flash something
2012-11-30T10:13:17 < jpa-> ds2: ah, so just flash it :)
2012-11-30T10:13:20 < zyp> they you'll know whether it works or not
2012-11-30T10:13:24 < ds2> zyp: they are that robust?
2012-11-30T10:13:25 < zyp> then*
2012-11-30T10:13:27 < cdh> zyp - just saying I don't understand electronics well enough to understand collector to bjt
2012-11-30T10:13:30 < dongs> ds2: short boot pins, and run usart bootloader, like flash loader demonstrator
2012-11-30T10:13:32 < dongs> that should talk to it
2012-11-30T10:13:52 < jpa-> ds2: what voltage is your board running at?
2012-11-30T10:14:02 < zyp> cdh, bjt pins are named collector, emitter and base, fet pins are named source, drain and gate
2012-11-30T10:14:03 < ds2> I usually try to do it step by step to avoid mass destruction (I usually deal with bigger boards)
2012-11-30T10:14:22 < ds2> jpa-: 3.3V on the F103, charger is at 5V (USB)
2012-11-30T10:14:27 -!- Claude is now known as claude
2012-11-30T10:14:27 < jpa-> hah, like you wouldn't do a million bugs later in the development process also
2012-11-30T10:14:41 < jpa-> ds2: so what is the trouble?
2012-11-30T10:14:44 < ds2> jpa-: I was thinking of either wiring up UART Or STLink (via discovery board on it)
2012-11-30T10:14:48 < zyp> cdh, they mostly correspond to each other in function
2012-11-30T10:15:12 < ds2> jpa-: nothing...just wanted to see if that was a sane strategy for this chip. I've done other chips and I err on side of being too conservative
2012-11-30T10:15:45 < zyp> open collector/drain just means that you don't have a push-pull setup with one transistor driving up and one driving down, so you can only drive down, and not driving down leaves the output floating
2012-11-30T10:16:50 < ds2> jpa-: there is one oddness... of 5 boards, one has the I2C bus stuck down... one is high
2012-11-30T10:16:53 < zyp> ds2, I tend to just hook up my bmp and do a swd scan
2012-11-30T10:17:32 < ds2> zyp: hmmm I can do that with the STLink in the discovery
2012-11-30T10:17:43 < zyp> well, yeah
2012-11-30T10:18:05 < zyp> except reliability, so you don't know if it's your or the stlink's fail if the scan fails :p
2012-11-30T10:18:48 < ds2> zyp: reliablity? What are some of the problems with the STLink?
2012-11-30T10:20:35 < dongs> ulink/jlink > stlink, by far
2012-11-30T10:20:39 < dongs> especially for srs work
2012-11-30T10:21:21 < cdh> zyp, I'm familiar with open drain and how that works with a fet (well, on a primitive level).  I didn't know I can get the same with a bjt.  I assume a bjt is just a common PNP or NPN.  Is that correct?
2012-11-30T10:21:29 < zyp> yes
2012-11-30T10:22:08 < zyp> of course you can get it with a bjt, transistors are transistors :p
2012-11-30T10:22:45 < cdh> ds2 - I use the stlink exclusively.  It mostly just works, but I've seen occasional problems where if I flash something "bad" then the st-link fails to recognize the target so I can't re-flash it or connect with gdb.  I've found that if I hold the target in reset while the st-link is detecting and erasing flash that I can usually get it to work on the next try.
2012-11-30T10:23:20 < zyp> the main difference between a fet and a bjt is that a fet is controlled by gate voltage, while a bjt is controlled by base current, and when used as a digital switch that doesn't matter much
2012-11-30T10:23:58 < ds2> cdh: ah... gotcha
2012-11-30T10:24:04 < cdh> ds2 - another thing I've learned is to never-ever-ever abort a st-flash operation with ^C while it's in progress.  I pretty much have to unplug the st-link to the discovery board before it talks to me again (this is from Linux)
2012-11-30T10:24:47 < ds2> cdh: good to know
2012-11-30T10:25:25 < cdh> Thanks zyp.
2012-11-30T10:25:31 < ds2> dongs: problem with jlinks is they don't just work... I got at least 2 of them and they are locked to different vendors
2012-11-30T10:26:16 < ds2> cdh: Main thing to know about bjt is you must have a base resistor to limit current...fet gates can be driven directly as long as you can get a high enough voltage (>Vgths)
2012-11-30T10:27:38 < cdh> ds2 - when you say base resistor, is that a resistor between the bjt base and whatever is driving it?
2012-11-30T10:28:12 < zyp> yeah
2012-11-30T10:28:15 < dongs> ds2: china jlinkob's are $15 and they work great
2012-11-30T10:28:16 < ds2> cdh: yep
2012-11-30T10:28:25 < zyp> a bjt with a resistor on base pretty much acts just like a fet
2012-11-30T10:28:35 < ds2> dongs: the clones are unlocked?
2012-11-30T10:28:54 < ds2> bjts are nice for low voltage stuff
2012-11-30T10:29:02 < ds2> finding a fet with a low enough Vgths can be a pain at times
2012-11-30T10:29:37 < dongs> ds2: they're not clones
2012-11-30T10:29:43 < dongs> jlinkob is like,, jlink for evalboards
2012-11-30T10:29:54 < dongs> http://www.segger.com/jlink-ob.html
2012-11-30T10:30:05 < cdh> Thanks zyp and ds2.  I'm sure you can tell I'm not a EE.  :)
2012-11-30T10:30:10 < dongs> http://www.hotmcu.com/usbminijtag-jlink-ob-jtagswd-emulator-with-usb-interface-p-29.html?cPath=3_25 shit like this
2012-11-30T10:30:13 < zyp> hmm
2012-11-30T10:30:21 < zyp> I guess I'm an EE
2012-11-30T10:30:30 < zyp> at least on paper
2012-11-30T10:30:32 < dongs> i didnt evne  graduate college, i'm dumber than a typical Lunix user.
2012-11-30T10:30:55 < zyp> I graduated EE, then went directly into a software job :p
2012-11-30T10:31:03 < dongs> (also: im only 13, on internet)
2012-11-30T10:31:12 < ds2> oh
2012-11-30T10:31:22 < ds2> zyp: heh... me too
2012-11-30T10:32:21 < ds2> hmmm
2012-11-30T10:33:53 < dongs> k, ill put PG shit through a couple 0K resistors and will find out after i make hte board.
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2012-11-30T10:40:35 < dongs> hmm, i dont think this PG shit is needed. my max input is only 1.8V anyway
2012-11-30T10:40:58 < dongs> ok wahtever, will keep it, just gonna cost a single 0k resistor if unused.
2012-11-30T10:42:21 < dongs> http://i.imgur.com/L4Ero.png
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2012-11-30T10:43:47 < cdh> Our HW guys lay down 0 ohm resistors like they are chocolate sprinkles
2012-11-30T10:44:50 < dongs> lols
2012-11-30T10:45:15 < cdh> They don't like it when I refer to them in SW terms as chicken bits.
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2012-11-30T11:08:00 < dongs> http://uppix.net/3/f/d/5f4de77d5024bb28c93d030cbaa01.gif
2012-11-30T11:10:41 < cdh> That's pretty scary.  Either slam into the side of the truck or go left and take a potential head-on.
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2012-11-30T11:59:46 < baird> From the shine of the lights on the road, I'd say it was a wet road, too.
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2012-11-30T12:21:04 < DLPeterson> when using a timer that generates an interrupt on a update event (overflow, underflow), is the best way to check whether it was overflow or underflow to check the DIR bit in the CR1 register?
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2012-11-30T12:26:22 < cdh> I have a TIM2 rollover interrupt which uses TIM_SR_UIF in the ISR to detect that condition.  I expect the same flag works for underflow.
2012-11-30T12:28:39 < cdh> Set TIM_DIER_UIE to trigger an interrupt in the overflow or underflow case.
2012-11-30T12:29:59 < DLPeterson> cdh, right, but that interrupt gets called for both overflow and for underflow and I need to know which it was.  The SR UIF bit only tells me that one or the other occurred, not which one.
2012-11-30T12:31:11 < cdh> I think you can only have one direction active at a time, so checking the DIR bit as you say makes sense to me.
2012-11-30T12:31:42 < DLPeterson> my timer count isn't counting monotonically -- it is being driven by an optical encoder, so it is in encoder mode.  I think the dir bit gets set automatically
2012-11-30T12:31:53 < DLPeterson> when it is in encoder mode
2012-11-30T12:32:17 < DLPeterson> because it counts up and down automatically.
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2012-11-30T12:33:47 < cdh> Ah.  I have no experience with using the timer in encoder mode.  I suspect you're not going to be able to use the DIR bit, as that's configuration and not status.
2012-11-30T12:39:05 < DLPeterson> cdh, the RM says:
2012-11-30T12:39:07 < DLPeterson> Note: This bit is read only when the timer is configured in Center-aligned mode or Encoder
2012-11-30T12:39:14 < DLPeterson> mode.
2012-11-30T12:42:50 < cdh> DLPeterson: Oh.  I see that now:  The DIR bit is calculated at each transition on any input (TI1 or TI2), whatever the counter is counting on TI1 only, TI2 only or both TI1 and TI2.
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2012-11-30T12:55:35 < dongs> hah, learned soemthing new today, that zeners can be used as precise voltage reference :p
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2012-11-30T12:59:24 < karlp> also, precise voltage refereces are normally zeners in a different package :)
2012-11-30T13:00:20 < dongs> thats what I also found out :)
2012-11-30T13:00:31 < dongs> and usually priced several times the price of zener + resistor
2012-11-30T13:00:32 < dongs> heh
2012-11-30T13:00:35 < Laurenceb> nice
2012-11-30T13:00:50 < Laurenceb> for each hour im getting 3 hours of logger data uploaded to server
2012-11-30T13:01:23 < Laurenceb> averaging 2Mbps upload
2012-11-30T13:01:26 < zyp> ok
2012-11-30T13:02:50 < zyp> isn't voltage references almost the main purpose of zeners?
2012-11-30T13:06:28 < dongs> no idea
2012-11-30T13:14:39 < baird> That's always been where I've seen zeners used..
2012-11-30T13:15:36 < zyp> that and overvoltage suppression stuff
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2012-11-30T13:16:11 < dongs> thats where I used it.
2012-11-30T13:16:19 < dongs> but I just copypasted what my analog fag said.
2012-11-30T13:16:30 < dongs> overcurrent circuit or something
2012-11-30T13:16:48 < dongs> soft fuse would trip and zener did something or other
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2012-11-30T13:34:44 < Oldboy> karlp: a good voltage reference will be a bandgap with thermal compensation etc. nothing remotely like a zener.
2012-11-30T13:36:11 < Oldboy> dongs: what you're describing is called a crowbar circuit
2012-11-30T13:38:10 < Laurenceb> http://tech.slashdot.org/story/12/11/11/1819236/color-screen-ti-84-plus-calculator-leaked
2012-11-30T13:38:12 < Laurenceb> lolled
2012-11-30T13:56:59 < baird> There had better be a Z80 inside that, or TI are finished.
2012-11-30T13:57:23 < baird> There is! \o/
2012-11-30T13:59:57 < Laurenceb> http://news.slashdot.org/comments.pl?sid=3284557&cid=42139667
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2012-11-30T15:01:54 < jon1012> someone interfaced an epaper screen with an stm32 yet ?
2012-11-30T15:02:03 < jon1012> without the controller I mean, just the screen
2012-11-30T15:02:12 < jon1012> from what I've read it may be possible
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2012-11-30T16:13:14 < Laurenceb> http://www.youtube.com/watch?v=MCEjCHb_-Qg&list=UUNiQb06EQdH0ou2mM4Qj21w&index=13&feature=plcp
2012-11-30T16:13:21 < Laurenceb> meanwhile in heavy metal land
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2012-11-30T16:39:57 < dongs> useless fucking irc chats
2012-11-30T16:41:05 < zyp> ok
2012-11-30T16:49:31 < emeb_mac> mm00000oooooorrrnnnniinnng
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2012-11-30T16:52:13 < zyp> emeb_mac, morning
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2012-11-30T18:44:43 < zyp> hmm, time to figure out what's up with this sdhc card
2012-11-30T18:46:05 < zyp> oh
2012-11-30T18:46:22 < zyp> interestingly enough, it doesn't appear to work in a normal reader either
2012-11-30T18:47:02 < zyp> oh, but then it works in another reader, wtf
2012-11-30T18:49:46 < zyp> wish I had one of those adapters to put between the reader and card to sniff it now
2012-11-30T18:53:00 < karlp> worn contacts?
2012-11-30T18:53:46 < zyp> no way
2012-11-30T18:58:39 < zyp> hmm, it works in two out of three readers here, but not the third and so far not with my code
2012-11-30T18:58:44 < zyp> I wonder what the difference is
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2012-11-30T19:06:57 <+Steffanx> An SD card with some crappy timing issues?
2012-11-30T19:07:29 < zyp> no, it just appears to not follow the spec
2012-11-30T19:07:37 <+Steffanx> or that :)
2012-11-30T19:08:15 < zyp> it doesn't come out of the «busy» state
2012-11-30T19:08:16 <+Steffanx> Another random noname SD card?
2012-11-30T19:08:20 < zyp> no, sandisk
2012-11-30T19:10:01 < zyp> oh
2012-11-30T19:10:04 < zyp> fixed it
2012-11-30T19:10:09 < zyp> now it initialized with my code
2012-11-30T19:11:29 <+Steffanx> ...
2012-11-30T19:11:31 < zyp> not sure why that fixed ut, but
2012-11-30T19:11:46 < zyp> oh well
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2012-11-30T19:22:01 < zyp> some writes are failing as well
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2012-11-30T19:53:19 <+Steffanx> now you sound like mr. Laurence b zyp :P
2012-11-30T19:53:33 <+Steffanx> Aaah problem.. oh solved it.. oh no not
2012-11-30T19:53:43 <+Steffanx> next: It's the hardware
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2012-11-30T20:07:34 < zyp> :p
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2012-11-30T20:08:18 < zyp> well, I got tired of that
2012-11-30T20:08:44 < zyp> probably need to set a sane timeout, handle it and retry if it fails
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2012-11-30T20:09:46 < zyp> now it just has timeout set at max value and therefore hangs when the card stops responding
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2012-11-30T20:26:20 < Laurenceb> http://www.bbc.co.uk/news/technology-20554447
2012-11-30T20:26:27 < Laurenceb> lol i know that guy from irc
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2012-11-30T20:29:37 <+Steffanx> I wonder when we can say something similar
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2012-11-30T20:39:12 < zyp> I said something similar yesterday
2012-11-30T20:40:01 < zyp> a friend were talking about some hardware project, and I mentioned that I've talked with the guy behind that on irc
2012-11-30T20:40:17 < zyp> is that similar enough to qualify?
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2012-11-30T20:53:50 <+Steffanx> No i actually meant we can say something similar when Laurenceb did something stupid
2012-11-30T20:54:09 < Oldboy> Laurenceb was caught molesting women ?
2012-11-30T20:54:15 <+Steffanx> not yet
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2012-11-30T23:56:08 < karlp> anyone had any luck/gotchas with the RTC on f2/f4/l1?
2012-11-30T23:56:22 < karlp> I can't get it to initialise, copying the stdperiphlib
2012-11-30T23:57:16 < karlp> you're meant to write to the INIT bit and then poll the INITF bit, and it just never gets set
--- Log closed Sat Dec 01 00:00:28 2012