--- Log opened Wed May 01 00:00:59 2013
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2013-05-01T01:35:58 < dongs> whats bloggin
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2013-05-01T02:05:15 < flop> how hard is it to do assembly for stm32?
2013-05-01T02:06:56 < emeb> not too awful
2013-05-01T02:09:37 < gxti> i haven't actually done any yet
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2013-05-01T02:12:55 < emeb> I tried it a while back. Worst thing is that the ARM ISA mnemonics don't really make sense.
2013-05-01T02:13:12 < emeb> so it helps to have a cheat-sheet handy.
2013-05-01T02:14:17 < emeb> but the other thing I found is that it's pretty hard to hand-write code that's significantly better than what GCC churns out.
2013-05-01T02:14:34 < emeb> so end result was "why bother?"
2013-05-01T02:16:53 < dongs> ^
2013-05-01T02:17:44 < dongs> plus real compilers don't allow inline asm for these kinda reasons anyway
2013-05-01T02:18:04 < Simon--> ^ insufficient skillz
2013-05-01T02:20:10 < dongs> Simon--: shouldnt be you be working on sinedrive for mega8
2013-05-01T02:20:15 < dongs> instead of throwin out insults!!!
2013-05-01T02:20:35 < Simon--> uhh..still trying to find the divide instruction? ;)
2013-05-01T02:20:43 < dongs> haha
2013-05-01T02:21:20 < dongs> bill did precalc of 1024 sines
2013-05-01T02:21:29 < dongs> but that only needs 2k ram
2013-05-01T02:22:01 < dongs> i should try the 3rd harmonic shit
2013-05-01T02:33:14 < Simon--> you might want to test actual output linearity when scaling it to full on/off vs the various dead times and on/off timings. might be worth not turning it all the way on or off, since there's no downside other than resolution loss
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2013-05-01T03:19:59 < Chocobo> am I missing something or is the SPI clock control pretty coarse..  5.25 MHz, 10.5 MHz, 21 MHz, etc.    I guess I could always drop the APB1 clock freq.
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2013-05-01T03:24:59 < dongs> yes
2013-05-01T03:25:06 < dongs> if you want to fine-control it
2013-05-01T03:25:09 < dongs> run as SPI slave
2013-05-01T03:25:12 < dongs> and clock from a timer
2013-05-01T03:25:26 < dongs> only works if you just wanna clock shit out, of course.
2013-05-01T03:25:29 < dongs> w/o receive
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2013-05-01T03:27:51 < Chocobo> dongs: bummer.  :/  I was hoping I was missing something.  This is the first thing I haven't loved about the stm32s
2013-05-01T03:28:37 < dongs> why does it matter?
2013-05-01T03:29:42 < Chocobo> dongs: well it stinks when you have an AD rated at 20 MHz SPI clock
2013-05-01T03:30:00 < dongs> im sure it'll run at 21
2013-05-01T03:30:47 < Chocobo> If it doesn't though, taking a hit of 9.5 MHz is pretty rough.
2013-05-01T03:35:57 < dongs> you could probably ghetto it with a timer still
2013-05-01T03:36:04 < dongs> anyway, i dunno
2013-05-01T03:36:15 < dongs> i used timer way for video overlay generation
2013-05-01T03:37:25 < Chocobo> Hmm, well thanks for the suggestion.
2013-05-01T03:38:33 < dongs> i suppose the ADC is also configured via SPI?
2013-05-01T03:38:43 < dongs> i.e. set rate/ wahtever
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2013-05-01T03:38:54 < dongs> or you talking just hypothetical shit
2013-05-01T03:39:43 < dongs> i seem to remember theres a register to swap miso/mosi on F4, so you might be able to hook it up as slave w/timer clocking it for high speed read out and switch to master mode and swap miso/mosi for configuration
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2013-05-01T03:43:09 < Chocobo> dongs: yes the AD is configured/read over SPI
2013-05-01T03:43:41 < Chocobo> I may just avoid the issue by going with a parallel AD.  I have the pins to spare.
2013-05-01T03:44:03 < dongs> it'll be faster, too.
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2013-05-01T03:58:25 < Chocobo> indeed
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2013-05-01T04:13:29 < gxti> looking for a new rtos for stm32f107 with ethernet, permissive license required. what else is interesting besides coos?
2013-05-01T04:13:48 < gxti> doesn't have to implement ethernet, i'm fine with just a kernel, but bonus points if it does
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2013-05-01T04:21:23 < gxti> embox, tnkernel, nuttx (lol?) and contiki look vaguely interesting
2013-05-01T04:21:32 < dongs> lol @ lol after nuttx
2013-05-01T04:23:45 < gxti> looks like it does some stuff i could make use of but seems like it's gonna be fat
2013-05-01T04:24:39 < dongs> you get a full lunix shell with that shit
2013-05-01T04:24:42 < dongs> and /dev/dongs
2013-05-01T04:24:47 < dongs> and I heard everything there is a file
2013-05-01T04:24:53 < gxti> terrifying
2013-05-01T04:24:57 < dongs> so you can like fopen("/dev/adc" and read shit from it
2013-05-01T04:53:44 < Chocobo> I like ChibiOS.  Not sure if it supports the f107, but porting should be easy.
2013-05-01T04:54:00 < gxti> i'm using it now, it's not permissively licensed
2013-05-01T04:54:07 < gxti> modified GPL bad, BSD good
2013-05-01T04:54:33 < dongs> BSDONGS
2013-05-01T04:54:43 < dongs> WTFPL best
2013-05-01T04:55:12 < gxti> contiki looks interesting, don't care about internet-of-things circlejerk but it means it already has a network stack
2013-05-01T04:55:37 < dongs> wasnt contiki some trash for C64
2013-05-01T04:55:41 < dongs> or did they just reuse the name
2013-05-01T04:55:56 < gxti> shrug
2013-05-01T04:56:29 < gxti> it's for wireless sensor networks n stuff, 6lowpan etc
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2013-05-01T04:59:37 < gxti> reblogging http://i.imgur.com/drHLU2k.jpg
2013-05-01T05:00:35 < dongs> what the christ is this
2013-05-01T05:00:41 < dongs> web 2.0 checkout station?
2013-05-01T05:01:11 < dongs> there's no fucking way a dedicated pos box costs more than 3 jewphones and a jewpad
2013-05-01T05:01:34 < gxti> in parts no, in cost paid to the vendor yes
2013-05-01T05:01:43 < dongs> bullshit
2013-05-01T05:02:46 < dongs> http://www.staples.com/office/supplies/StaplesCategoryDisplay?storeId=10001&identifier=CL167353&catalogIdentifier=2&langId=-1&ddkey=http:StaplesZipCodeAdd
2013-05-01T05:02:49 < dongs> and I didnt even look around
2013-05-01T05:02:57 < dongs> everything < $1500 on that list
2013-05-01T05:03:19 < dongs> jewpad, $500-600? 2x jewphones, $400/ea? or wahtever the fuck shit runs now
2013-05-01T05:03:31 < dongs> plus im sure theyve got some overpriced scanner dongle for it
2013-05-01T05:03:42 < gxti> i'm assuming they're ipod touch, not iphone
2013-05-01T05:03:55 < gxti> because even someone who would do this is not THAT stupid. maybe.
2013-05-01T05:05:38 < gxti> those look pretty shitty, i think i'd actually rather have an ipad
2013-05-01T05:06:25 < gxti> no telling how robust they are, probably a few aren't total crap
2013-05-01T05:07:38 < dongs> i wrote some POS shit in .NUT back when 1.0 just came out
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2013-05-01T05:08:16 < dongs> some of the UI concepts the dudes did were really nice for quickly ordering stuff
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2013-05-01T05:08:33 < dongs> this was some restaurant shit so no scanning of crap
2013-05-01T05:08:48 < emeb_mac> yeah - I was at a restaurant a few months ago where the whole thing was running on iPads. Was pretty annoying.
2013-05-01T05:09:23 < dongs> i think if I wentr to restaurant and the waiter had jewpad i would walk the fuck out
2013-05-01T05:09:33 < dongs> and be liek, im never coming back here again, fuckas
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2013-05-01T07:52:44 < flop|2> is the black magic probe open hardware?
2013-05-01T07:53:47 < dongs> pretty sure it is
2013-05-01T07:53:56 < dongs> ecause some dudedes in here cloned the pcb
2013-05-01T07:53:59 < dongs> so at leats schematic is available
2013-05-01T07:54:25 < dongs> http://ebrombaugh.studionebula.com/embedded/bmp2/index.html
2013-05-01T07:54:26 < dongs> i.e. this
2013-05-01T07:54:54 < flop|2> cool!
2013-05-01T07:55:15 < flop|2> actually it looks pretty simple
2013-05-01T07:55:19 < dongs> it is
2013-05-01T07:55:26 < dongs> its just power/crap needed for stm32
2013-05-01T07:55:28 < dongs> nothing special
2013-05-01T07:57:12 < flop|2> I guess I can just use my discovery board to do the same thing
2013-05-01T07:57:37 < dongs> theres people doing just there
2013-05-01T07:57:39 < dongs> er just that
2013-05-01T07:57:48 < dongs> i believe theres a build option for bmp firmware
2013-05-01T07:57:56 < dongs> that you can flash over the stlink
2013-05-01T07:58:03 < dongs> so the stlink part of discovery becomes bmp
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2013-05-01T08:19:47 < PaulFertser> flop|2: yep, just read the README and use "make PROBE_HOST=stlink"
2013-05-01T08:20:22 < flop|2> where do I find the readme exactly?
2013-05-01T08:21:51 < flop|2> wait, I meant to use the mcu part of the discovery board, not the built-in stlink
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2013-05-01T08:23:17 < dongs> you could probly do that too
2013-05-01T08:23:21 < dongs> just moar work
2013-05-01T08:26:22 < PaulFertser> flop|2: clone Garreth's repo from github, the README is in here.
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2013-05-01T09:05:02 < R2COM> http://i.imgur.com/iM5HIH8.jpg
2013-05-01T09:10:02 < talsit> are all those things passives?
2013-05-01T09:10:12 < R2COM> which things
2013-05-01T09:10:20 < talsit> around the main chip
2013-05-01T09:10:24 < R2COM> yes
2013-05-01T09:10:25 < talsit> yellow pads
2013-05-01T09:10:35 < talsit> what is that board for?
2013-05-01T09:10:45 < R2COM> just some test board for some asic
2013-05-01T09:11:07 < R2COM> not complete yet..
2013-05-01T09:11:14 < talsit> cool
2013-05-01T09:11:22 < talsit> "some asic"?? which?
2013-05-01T09:11:28 < R2COM> custom
2013-05-01T09:11:51 < talsit> awesome
2013-05-01T09:11:54 < talsit> and scary
2013-05-01T09:12:48 < R2COM> it doesnt do much, just to characterize more specific process, its pin parasitics, its ring frequency and behavior, and to test some of the high speed digital buffers which i designed on chip
2013-05-01T09:13:23 < R2COM> so it has many different test fixtures for each pin, and each pin is being probed outside on a test board
2013-05-01T09:14:02 < talsit> yeah, custom ASIC is kinda scary in itself
2013-05-01T09:14:14 < talsit> it doesn't sound like a cheap or quick thing
2013-05-01T09:16:37 < R2COM> asic was relatively fast to design, since those are just some test fixtures and digital buffers (its not that hard to design digital buffers ), but design of its internal frame took a while to figure out (including arrangement of ESD protection circuitry)
2013-05-01T09:17:07 < R2COM> and board... took a while to arrange too, but not much of a big deal. just need to delay-tune some IO's and frame it, and thats it
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2013-05-01T09:17:28 < talsit> you make it sound so easy i could do it!
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2013-05-01T09:20:34 < R2COM> 80$ for PCB components (excluding the test chip of course LoL)
2013-05-01T09:23:05 < talsit> how does an ASIC take to fab?
2013-05-01T09:23:18 < R2COM> yes
2013-05-01T09:23:44 < talsit> "yes"? lol
2013-05-01T09:24:50 < R2COM> I didnt get what you mean?
2013-05-01T09:25:24 < talsit> oh, i accidently a word
2013-05-01T09:25:28 < talsit> how LONG does...
2013-05-01T09:26:16 < R2COM> 2 months or so, but it actually depends
2013-05-01T09:26:30 < talsit> i would so suck at that :)
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2013-05-01T10:58:50 < qyx_> gxti: just few bytes
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2013-05-01T12:06:47 < capacitor> welcome Steffanx
2013-05-01T12:07:13 <+Steffanx> Always
2013-05-01T12:07:39 < jpa-> hi steffie
2013-05-01T12:10:58 < Erlkoenig> Steffanx: re from Eindhoven: https://fbcdn-sphotos-a-a.akamaihd.net/hphotos-ak-frc1/316030_567419009968839_1715383444_n.jpg
2013-05-01T12:11:14 <+Steffanx> :)
2013-05-01T12:11:19 < capacitor> that's an odd approach to driving a car
2013-05-01T12:11:20 <+Steffanx> I could've been anywhere
2013-05-01T12:11:34 <+Steffanx> *it
2013-05-01T12:12:24 < Erlkoenig> yup but was in eindhoven :P https://www.youtube.com/watch?feature=player_embedded&v=KlfwTMiigg8
2013-05-01T12:15:08 <+Steffanx> nice car btw
2013-05-01T12:15:51 < Erlkoenig> oh yeah :D
2013-05-01T12:17:22 < Erlkoenig> the car from Delft uses an NXP Cortex-M3 to do Torque Vectoring and someday for Traction Control. They have 4 Motors
2013-05-01T12:20:41 <+Steffanx> and it didnt work
2013-05-01T12:21:09 < Erlkoenig> its acceleration was better then all other cars... but they broke their drive shaft
2013-05-01T12:21:21 < Erlkoenig> the got overall 3rd place
2013-05-01T12:25:16 < capacitor> I'm never going to drink again
2013-05-01T12:27:28 < Erlkoenig> that's what they all say :D
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2013-05-01T12:32:08 < capacitor> i hope Tectu comes on later
2013-05-01T12:32:21  * Tectu is here
2013-05-01T12:32:29 < Tectu> but I am just about to leave for a shower
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2013-05-01T14:38:29 < dongs> [14:08] <Laurenceb> http://www.tarduino.cc/2013/04/ipad-3-retina-display-adapter-to.html
2013-05-01T14:38:32 < dongs> [14:14] <costyn> Laurenceb: the guy that writes that blog sure has a chip on his shoulder :)
2013-05-01T14:38:35 < dongs> haha
2013-05-01T14:39:05 < dongs> #highaltitude is like Laurenceb's #stm32-crap
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2013-05-01T14:40:41 < Laurenceb> you have found the logs?
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2013-05-01T14:41:07 < Laurenceb> http://www.theregister.co.uk/2013/05/01/hoptroff_shows_first_atomic_watch_movement/  <-WTF
2013-05-01T14:41:35 < UweBonnes> W.r.t. the itc logs at http:first)?//tom-itx.dyndns.org:81/~tom-itx/irc/logs/%23%23stm32/, what about reverse order (newest
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2013-05-01T14:49:18 < Laurenceb> how did dongs find the logs?!  :(
2013-05-01T14:50:41 < dongs> Laurenceb: lol, there's a ms5611 pressure sensor on that thing
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2013-05-01T14:51:55 < Laurenceb> http://www.hoptroff.com/news.html
2013-05-01T14:51:59 < Laurenceb> what the actual fuck
2013-05-01T14:53:15 < dongs> http://www.hoptroff.com/TimeKiss-SetTime.aspx?movt=No1&y=2013&mt=3&d=30&h=19&m=52&s=49
2013-05-01T14:53:18 < dongs> haha
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2013-05-01T15:14:17 < Robint91> dongs, how much did those displays cost?
2013-05-01T15:14:30 < dongs> like 50-60bucks?
2013-05-01T15:14:31 < dongs> +-
2013-05-01T15:14:36 < Laurenceb> lurn 2 read
2013-05-01T15:14:44 < dongs> that too
2013-05-01T15:16:16 < Robint91> Laurenceb, It doesn't tell in the post
2013-05-01T15:16:20 < Laurenceb> ok
2013-05-01T15:16:23 < Robint91> only the 30$ RPI
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2013-05-01T15:29:36 < Posterdati> hi
2013-05-01T15:30:01 < Posterdati> is openocd working with stm32f3 discovery board and mcu?
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2013-05-01T16:28:15 < rigid> i just can't get this GLCD to run :-/
2013-05-01T16:28:43 < rigid> anyone ever used a EA DIP122-5NLED?
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2013-05-01T16:29:51 < rigid> the datasheet is ambigous... some versions use the PT6520 controller, some use the SED1520 appearantly
2013-05-01T16:30:23 < rigid> (i'm not expecting help, just came here to whine a bit to ease my frustration :)
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2013-05-01T17:39:26 < Laurenceb> asked for help on #octave
2013-05-01T17:39:36 < Laurenceb> <JordiGH> Seriously, I don't see how any monetary amount is impossible to pay for fixing a small bug. I asked for 25 CAD. Is that too much?
2013-05-01T17:39:36 < Laurenceb> <JordiGH> Is the problem the transaction cost? Let's barter, then. You got some interesting music?
2013-05-01T17:43:21 < Erlkoenig> i think that's called paid support ^.^
2013-05-01T17:45:21 < BrainDamage> I don't see that being too wrong
2013-05-01T17:45:32 < BrainDamage> people contribute for free, but work on shit they like
2013-05-01T17:45:46 < BrainDamage> I guess depends how much strict he is on getting the task done
2013-05-01T17:45:48 < zyp> I'd have to be paid well if I were to support Laurenceb
2013-05-01T17:48:51 < jpa-> indeed
2013-05-01T17:49:23 < jpa-> and if it is a small bug, why doesn't Laurenceb fix it himself?
2013-05-01T17:50:17 < dongs> sup bloggers
2013-05-01T17:50:27 < jpa-> dongs
2013-05-01T17:54:09 < Erlkoenig> because he doesn't have write access to their web server
2013-05-01T17:54:19 < dongs> sup
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2013-05-01T18:09:32 < inca> why can't the STLink/V2 hardware do faster than 1 MHz JTAG/SWD?
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2013-05-01T18:11:28 < dongs> inca: probably license restriction
2013-05-01T18:11:40 < dongs> my chianclone ulink2 / jlink can do 10mhz
2013-05-01T18:12:04 < R2COM> by the way using those "clone" thingys considered illegal right?
2013-05-01T18:12:23 < dongs> well, i now have a legit ulink2/me
2013-05-01T18:12:26 < dongs> tahnks to zyp
2013-05-01T18:12:29 < dongs> and it also does 10mhz.
2013-05-01T18:12:37 < dongs> and my jlink clone got blacklisted and trashed
2013-05-01T18:12:44 < dongs> so you could say im fully legit now.
2013-05-01T18:12:47 < inca> I don't understand
2013-05-01T18:12:56 < R2COM> well... I mean that programmer costs like 200$ or something not that big of a deal actually
2013-05-01T18:13:03 < dongs> yeah.
2013-05-01T18:13:03 < R2COM> as far as I saw from some of their websites
2013-05-01T18:13:28 < inca> what are you talking about?
2013-05-01T18:13:32 < inca> and why do I care?
2013-05-01T18:13:36 < R2COM> and for 200$ or something, it can program nearly any chip
2013-05-01T18:14:22 < inca> is this about counterfeit electronics?
2013-05-01T18:14:32 < inca> who do you have to license to make JTAG work?
2013-05-01T18:15:24 < UweBonnes> Implementing something usfule via JTAG is for sure licensable.
2013-05-01T18:15:41 < Laurenceb> cuz saint stallman hasnt saved you yet inca
2013-05-01T18:16:00 < Laurenceb> wait wtf
2013-05-01T18:16:02 < Laurenceb> http://stallman.org/saint.html
2013-05-01T18:16:23 < Laurenceb> he is self trolling beyond the best of my troll skillz
2013-05-01T18:17:28 < inca> Laurenceb: =)
2013-05-01T18:17:30 < Laurenceb> i'd think that was a troll.. but url suggests not
2013-05-01T18:18:21 < inca> R2COM. dongs, I don't understand what you were talking about. Blacklisted? Where is this blacklist? Is it based on who pays some organization a fee so that we can set out clock rates appropriately?
2013-05-01T18:19:10 < R2COM> I dont know, all I know is if you buy directly from jlink or something you are good. I'm not much into licensing shit.
2013-05-01T18:20:04 < inca> R2COM: that sounds like a good scam
2013-05-01T18:20:26 < inca> nobody is "authentic" unless you shell out cash to the established players… I like it
2013-05-01T18:20:48 < inca> where do I sign up?
2013-05-01T18:20:49 < talsit> that's kinda how licensing works
2013-05-01T18:21:14 < gxti> if you can't get people to buy your shit why make it?
2013-05-01T18:21:24 < UweBonnes> inca: There are a lot of JLINK clones that try to load original JLINK software. Keil explicit requests a serial number when downloading or acceptance toi use the software only on originla parts
2013-05-01T18:22:14 < inca> UweBonnes: it's a great excuse for KEIL to not innovate… just license it
2013-05-01T18:22:14 < gxti> that's what you get when you pay thousands of dollars for a toolchain. it breaks when you use it with certain hardware! yay.
2013-05-01T18:22:32 < inca> but then, there's always support
2013-05-01T18:22:42 < inca> welcome to the horror show
2013-05-01T18:22:58 < UweBonnes> inca: It's there design and theri software, why do you think they don't  innovate?
2013-05-01T18:23:55 < inca> UweBonnes: from my perspective, licensing is the excuse to innovate slower than your competitor can imitate
2013-05-01T18:24:09 < inca> government-enforced excuse*
2013-05-01T18:24:52 < UweBonnes> The "competitor" cloned the design and the loader software. Where do they innovate?
2013-05-01T18:24:54 < talsit> or to increase innovation by avoiding effort on the boring and mundane stuff and concentrating on the better stuff
2013-05-01T18:25:08 < inca> talsit: correct!
2013-05-01T18:25:14 < talsit> seriously, what's to innovate in SWD?
2013-05-01T18:25:43 < talsit> i'd rather have better chips/toolchains than yet another method of accessing a chip
2013-05-01T18:25:59 < inca> UweBonnes: that's exactly right, their innovation is in the production of something which already exists...
2013-05-01T18:26:12 < inca> for cheaper than its original
2013-05-01T18:27:17 < inca> do I want KEIL breaking down doors to pay licensing fees on stuff which already exists, or do I want them innovating an IDE of less sadness for current and future ARM hardware?
2013-05-01T18:27:41 < inca> =)
2013-05-01T18:27:56 < inca> let the debugger and tools for development become commodity
2013-05-01T18:28:14 < inca> especially if they already are commodity parts
2013-05-01T18:29:00 < inca> that being said, I'm probably about to buy a J/Link as a reference design in hacking STLink/V2 BMP stuff
2013-05-01T18:29:23 < talsit> i like my segger jlink
2013-05-01T18:29:33 < talsit> i didn't pay for it, i got work to buy it for me!
2013-05-01T18:29:58 < inca> talsit: I might put it on my next invoice
2013-05-01T18:30:17 < talsit> it has hardly anything inside (yes, i pulled it apart)
2013-05-01T18:30:31 < inca> talsit: I was just looking for a teardown
2013-05-01T18:30:35 < inca> what's the brain?
2013-05-01T18:30:43 < talsit> lemme pull up the photo
2013-05-01T18:31:43 < UweBonnes> Keil licensed their JLINK design, and e.g. the EFM demo boards have a JLINK licensed clone on it.
2013-05-01T18:31:56 < talsit> atmel AT91SAM7S64/AU
2013-05-01T18:31:57 < UweBonnes> I think the uC is a STM32 too.
2013-05-01T18:32:09 < inca> talsit: interesting
2013-05-01T18:32:30 < inca> UweBonnes: so what is the difference, hardware-wise between JLINK and STLink?
2013-05-01T18:32:36 < UweBonnes> Atmel used their SAM4 chip as a licends JLINK cone
2013-05-01T18:33:08 < talsit> a 18.432MHz crystal
2013-05-01T18:33:42 < talsit> and 2 shifters
2013-05-01T18:33:56 < talsit> (and a few passives and whatnot
2013-05-01T18:36:16 < inca> talsit: next step-> http://www.segger.com/cms/j-trace-for-cortex-m.html
2013-05-01T18:36:39 < inca> and then… http://www.segger.com/cms/j-trace-arm.html
2013-05-01T18:37:51 < inca> all over USB? hmm… maybe OLS + BMP could do this
2013-05-01T18:38:11 < talsit> what's all this talk of the BMP?
2013-05-01T18:38:15 < talsit> what's so special about it?
2013-05-01T18:39:50 < inca> talsit: in the OpenSores (citation: dongs) world, it is the open source SWD/JTAG debugger that runs on an embedded target, not the host.
2013-05-01T18:39:54 < UweBonnes> inca: To my knowledge, there is no free implemenation for pararller trace yet.
2013-05-01T18:40:20 < talsit> OpenSores?
2013-05-01T18:40:27 < inca> so your GDB appears as a serial port, just like for debugging kernels on PCs
2013-05-01T18:40:44 < dongs> anyhow, cmsis-dap is released and keil supports it
2013-05-01T18:40:45 < inca> talsit: euphemism for mess
2013-05-01T18:40:50 < dongs> so thats an open implementation
2013-05-01T18:41:00 < inca> right
2013-05-01T18:41:01 < dongs> crossworks added support for it too i believe.
2013-05-01T18:41:08 < dongs> so as long as most major vendors will do it, its a nonissue
2013-05-01T18:41:22 < dongs> latest firmware update for ulink also has a switch to put it into cmsis-dap mode
2013-05-01T18:42:51 < UweBonnes> For example, if you rework a f4 discovery  board to put BMP on the STLink,  you can debug the F4 and off board chips even if they are not STM32. And with the UART connection added, you also have a IO channel to the host.
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2013-05-01T18:43:15 < dongs> the only problem with that is
2013-05-01T18:43:27 < dongs> the only thing supporting that is gdb
2013-05-01T18:44:28 < inca> http://www.keil.com/support/man/docs/dapdebug/dapdebug_introduction.htm
2013-05-01T18:45:04 < dongs> yea
2013-05-01T18:45:55 < inca> USB HID debugging
2013-05-01T18:45:57 < inca> brilliant
2013-05-01T18:46:03 < dongs> yep
2013-05-01T18:46:15 < inca> bye bye JTAG/SWD
2013-05-01T18:46:20 < dongs> no special driver needed etc.
2013-05-01T18:46:22 < inca> (connectors)
2013-05-01T18:46:26 < dongs> wat no
2013-05-01T18:46:37 < inca> oh wait
2013-05-01T18:46:39 < inca> host side
2013-05-01T18:46:41 < inca> nevermind!
2013-05-01T18:48:00 < ntfreak_> OpenOCD CMSIS-DAP support, very alpha - https://github.com/TheShed/OpenOCD-CMSIS-DAP
2013-05-01T18:48:35 < inca> ntfreak_: I just saw that. have you played with it?
2013-05-01T18:49:48 < ntfreak_> a bit, need to merge with what i was working on - http://repo.or.cz/w/openocd/ntfreak.git/shortlog/refs/heads/cmsis-dap
2013-05-01T18:49:48 < ntfreak_> simply my version uses HIDAPI to make it cross platform
2013-05-01T18:50:44 < ntfreak_> all still very much work in progress, available free time has slowed the port down
2013-05-01T18:51:05 < inca> ntfreak_: it is hard to prioritize, I imagine.
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2013-05-01T18:52:59 < ntfreak_> indeed, hoping to get back on it in a few weeks - volunteers always welcome :)
2013-05-01T18:53:18 < Laurenceb> wait..
2013-05-01T18:53:24 < Laurenceb> is cmsis-dap opensource?
2013-05-01T18:53:37 < Laurenceb> could i flash it to a BMP  ?
2013-05-01T18:53:39 < dongs> yes
2013-05-01T18:53:46 < Laurenceb> oh cool
2013-05-01T18:53:50 < dongs> dunno about latter
2013-05-01T18:53:51 < dongs> but its opensores
2013-05-01T18:54:00 < dongs> you can download the reference thing off arm.com
2013-05-01T18:54:05 < inca> ntfreak_: I am still scared of OpenOCD. The config files still give me anxiety… never really got a grasp on them
2013-05-01T18:54:18 < Laurenceb> yeah its way overcomplex
2013-05-01T18:54:31 < Laurenceb> http://bsd.slashdot.org/story/13/05/01/1445203/openbsd-53-released
2013-05-01T18:54:32 < inca> Laurenceb: http://mbed.org/handbook/CMSIS-DAP
2013-05-01T18:54:33 < Laurenceb> attn dongs
2013-05-01T18:56:03 < inca> Is the CMSIS-DAP irrelevant to BMP because it already serves up information over USB CDC serial?
2013-05-01T18:57:11 < ntfreak_> openocd -f board/stm32f4discovery.cfg does not seem to hard, worse case only two configs are required, one for target one for adapter
2013-05-01T18:57:52 < inca> ntfreak_: yes, but that does not explain what each command does within each file and what all the options are and their use-cases
2013-05-01T18:58:05 < ntfreak_> inca: CMSIS-DAP could ba adapted for BMP, that way it could be used in other tools including commercial
2013-05-01T18:59:12 < ntfreak_> inca: http://openocd.sourceforge.net/doc/pdf/openocd.pdf is the user guide
2013-05-01T18:59:32 < inca> ntfreak_: I manually expanded the included files into a giant config file, read all the docs on the commands to understand each one, but it never really ended up working reliably. definitely my own fault, but there is a lot of complexity that is hard to understand coming fresh off a boat
2013-05-01T18:59:43 < inca> I've read that, believe it or not =)
2013-05-01T18:59:57 < ntfreak_> it s shame they used HID for CMSIS-DAP but oh well
2013-05-01T19:00:21 < inca> ntfreak_: it's the only one that automatically enumerates on windows
2013-05-01T19:00:30 < inca> everything else needs a driver installed
2013-05-01T19:01:45 < ntfreak_> thats no excuse, win8 can also do that if i recall
2013-05-01T19:02:10 < inca> =)
2013-05-01T19:02:42 < inca> ntfreak_: what would have to be done to adapt CMSIS-DAP to BMP?
2013-05-01T19:03:03 < inca> interesting… https://github.com/x893/CMSIS-DAP
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2013-05-01T19:08:35 < inca> dongs: how do you like DAP so far?
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2013-05-01T19:16:25 < ntfreak_> mbed also have a CMSIS-DAP gdb server - https://github.com/mbedmicro/mbed/tree/master/workspace_tools/debugger
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2013-05-01T19:17:45 < inca> python, ay?
2013-05-01T19:18:13 < inca> ah… the gdb extensions, nice.
2013-05-01T19:18:29 < inca> embed has ties with ARM, so they get pre-release stuff, right?
2013-05-01T19:19:08 < ntfreak_> mbed are owned by arm
2013-05-01T19:20:00 < inca> fair enough… why LPC only?
2013-05-01T19:21:23 < inca> I guess you have to scope yourself somehow, if you want to stay sane
2013-05-01T19:21:24 < ntfreak_> some tie up with nxp, they also did a stm32 version but never got released
2013-05-01T19:25:58 < inca> gsmcmullin: ping. regarding CMSIS-DAP, see above ^^^
2013-05-01T19:28:11 < TitanMKD> gsmcmullin i have received my LINK2 with LPC4370 on it for CMSIS-DAP ;)
2013-05-01T19:28:41 < TitanMKD> gsmcmullin I will update libopencm3 for it when official datasheet for LPC4370 will be available
2013-05-01T19:29:35 < TitanMKD> just one word LPC4370 seems amazing TriCore + lot of impressive features ;)
2013-05-01T19:29:48 < TitanMKD> just a must for tons of stuff
2013-05-01T19:31:25 < Laurenceb> http://www.nxp.com/search?q=+lpc4370&type=keyword&rows=10
2013-05-01T19:32:51 <+Steffanx> Yeah, what is this LPC4370 mr TitanMKD ?
2013-05-01T19:34:08 < Robint91> TitanMKD, TriCORE o_O
2013-05-01T19:35:17 < TitanMKD> Steffanx a special LPC43 ;)
2013-05-01T19:35:31 < TitanMKD> Steffanx it seems NXP does not want to tell what is inside
2013-05-01T19:35:32 < jpa-> multicore MCU's have always seemed a bit weird to me
2013-05-01T19:35:36 < TitanMKD> maybe next week
2013-05-01T19:35:46 <+Steffanx> and how you know this TitanMKD ?
2013-05-01T19:35:56 < TitanMKD> Steffanx because i search on Internet ;)
2013-05-01T19:36:05 < TitanMKD> And i bought Link2 @ Embedded Artists ;)
2013-05-01T19:36:06 <+Steffanx> and you trust your sources?
2013-05-01T19:36:14 < TitanMKD> Steffanx I have it in my hand ;)
2013-05-01T19:36:20 <+Steffanx> The LPC4370?
2013-05-01T19:36:23 < TitanMKD> yes
2013-05-01T19:36:27 < TitanMKD> LPC4370FET100
2013-05-01T19:36:33 < TitanMKD> i have 3 boards
2013-05-01T19:36:46 < TitanMKD> they are more than just debugger ;)
2013-05-01T19:37:03 < TitanMKD> with extension on all available pins and especially Digital + Analog
2013-05-01T19:37:10 <+Steffanx> oh
2013-05-01T19:37:22 < TitanMKD> with SPIFI also ;)
2013-05-01T19:37:49 < TitanMKD> LPC4370 is flashless version with probably 236KB or more SRAM
2013-05-01T19:38:00 < TitanMKD> i think more ram for the 3 Cores ;)
2013-05-01T19:38:01 < zyp> TitanMKD, so, where did you get it from?
2013-05-01T19:38:11 < TitanMKD> zyp embedded artists for 15euros 1 board
2013-05-01T19:38:18 < TitanMKD> in USPS i received them in 2 days
2013-05-01T19:38:21 < zyp> link?
2013-05-01T19:38:40 < TitanMKD> http://www.embeddedartists.com/products/lpcxpresso/lpclink2.php
2013-05-01T19:38:42 < TitanMKD> there
2013-05-01T19:38:54 < TitanMKD> they are available with a chipset UNKNOWN ;)
2013-05-01T19:39:18 < TitanMKD> even on the video they do not speak about the LPC4370 it is funny ;)
2013-05-01T19:39:22 <+Steffanx> yay
2013-05-01T19:39:40 < TitanMKD> i will dump the ROM to know more about it
2013-05-01T19:39:43 <+Steffanx> nxp = weird
2013-05-01T19:39:46 < TitanMKD> to compare with LPC4330
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2013-05-01T19:40:48 < TitanMKD> on forum everyone speak about Tri COre as M4 + 2xM0
2013-05-01T19:40:59 < TitanMKD> the must will be M4 & 2xM0+
2013-05-01T19:41:08 < TitanMKD> M0+ are really a must
2013-05-01T19:41:26 < TitanMKD> and Tri Core is officially leaked by RedCode ;)
2013-05-01T19:41:45 < TitanMKD> there http://support.code-red-tech.com/CodeRedWiki/NewInVersion5?action=AttachFile&do=get&target=Red_Suite_5_Getting_Started.pdf
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2013-05-01T19:42:13 < Robint91> TitanMKD, how do you work with those
2013-05-01T19:42:13 < TitanMKD> Supported Multicore MCUs
2013-05-01T19:42:13 < TitanMKD> include the Dual Core LPC43xx or Triple Core LPC437x parts.
2013-05-01T19:42:39 < TitanMKD> Robint91 I'm waiting the datasheet to really work with it ;)
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2013-05-01T19:42:53 < Robint91> TitanMKD, but dualcore and stuff
2013-05-01T19:43:03 < Robint91> TitanMKD, does any RTOS support it?
2013-05-01T19:43:07 < TitanMKD> I will ask it to Embedded Artists with schematics to use the extension port
2013-05-01T19:43:17 < TitanMKD> Robint91 it is compatible with LPC43xx
2013-05-01T19:43:27 < TitanMKD> Robint91 but the new features shall be enabled
2013-05-01T19:43:33 < zyp> Robint91, it's pretty much like two independent systems within a common memory space
2013-05-01T19:43:44 < TitanMKD> as there is really more than just 3 Core ;)
2013-05-01T19:43:47 < TitanMKD> but you will see
2013-05-01T19:44:14 < TitanMKD> zyp i'm very interested to know how they have shared the memory between the 3 cores ;)
2013-05-01T19:44:25 < TitanMKD> zyp maybe a new bus or something special ;)
2013-05-01T19:44:38 < zyp> TitanMKD, just a couple more blocks I guess
2013-05-01T19:44:55 < TitanMKD> zyp also the SGPIO will be magic ;)
2013-05-01T19:45:58 < TitanMKD> let's debug one with an other ;)
2013-05-01T19:46:06 < TitanMKD> to check the boot
2013-05-01T19:46:43 < Robint91> what is the SGPIO?
2013-05-01T19:47:16 < TitanMKD> Robint91 Special GPIO programable like FPGA logic with slices ...
2013-05-01T19:48:02 < TitanMKD> Robint91 you configure them for example to read QuadSPIFI or other strange parallel Bus ...
2013-05-01T19:48:23 < TitanMKD> Robint91 the must is for logic analyzer or pattern generator
2013-05-01T19:48:43 < Robint91> nice
2013-05-01T19:48:58 < TitanMKD> Robint91 i have a pattern generator running at 102MHz on 16 GPIO with on each GPIO a different freq
2013-05-01T19:50:05 < TitanMKD> Robint91 you can look the results here https://github.com/TitanMKD/hackrf/blob/master/doc/LPC4330_SGPIO_SignalGenerator_Measurements.pdf
2013-05-01T19:52:35 < Robint91> TitanMKD, nice, but some over and undershoot
2013-05-01T19:52:57 < TitanMKD> yes maybe it is fixed on new LPC4370 :)
2013-05-01T19:53:20 < TitanMKD> it was the drawback huge overshoot/undershoot for an expected output of 0 to 3.3V
2013-05-01T19:53:52 < TitanMKD> it reach in fact up to 5V but on very short time and also because of my scope ;)
2013-05-01T19:56:29 < TitanMKD> hehe let's dump LPC4370 ROM
2013-05-01T19:56:50 < TitanMKD> i have connected 2 LPC LINK2 together one as target and the other as debugger
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2013-05-01T19:58:34 < TitanMKD> fine LPCXpresso latest version leaks info on LPC4370 target ;)
2013-05-01T19:58:53 < TitanMKD> there's LPC4370 & M0 and also LPC4371/M0
2013-05-01T19:59:26 < TitanMKD> ha yes for LPC4370 there is 2 MO ;)
2013-05-01T19:59:45 < TitanMKD> RamM0Sub16 0x18000000 size 0x4000
2013-05-01T19:59:47 < TitanMKD> and
2013-05-01T20:00:11 < TitanMKD> RamM0Sub2 0x18004000 size 0x800
2013-05-01T20:01:06 < Robint91> TitanMKD, the main M4 can control both M0s ?
2013-05-01T20:01:16 < Robint91> like reset? set PC reg ... ?
2013-05-01T20:01:19 < TitanMKD> I imagine yes
2013-05-01T20:01:23 < TitanMKD> like before on LPC4330
2013-05-01T20:01:28 < TitanMKD> M4 was the master
2013-05-01T20:01:38 < TitanMKD> i think it is same stuff
2013-05-01T20:03:35 < zyp> Robint91, the M4 starts at system reset while the M0 is kept in reset until released by the M4
2013-05-01T20:03:54 < zyp> and there is also a register that the M4 can write to map addr 0 of the M0
2013-05-01T20:04:51 < Robint91> zyp, can the M4 issues a interrupt on the M0?
2013-05-01T20:05:02 < zyp> yes, there is a specific interrupt for that
2013-05-01T20:05:07 < zyp> also for the opposite direction
2013-05-01T20:09:41 < TitanMKD> strange it does not see the LPC4370 ;)
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2013-05-01T20:13:17 < TitanMKD> i'm pretty sure they have not added the JTAG chain ID of new LPC4370 in LPC Xpresso it is why it does not recognize it on JTAG
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2013-05-01T20:20:58 < TitanMKD> haha ok SWD works ;)
2013-05-01T20:21:17 < TitanMKD> JTAG seems not active to debug the LPC4370 or not recognized by LPCXPresso ;)
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2013-05-01T20:24:39 < TitanMKD> hehe i have CPUID
2013-05-01T20:24:51 < TitanMKD> 0x410FC241
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2013-05-01T23:09:11 < Laurenceb_> http://www.st.com/web/en/news/n3418
2013-05-01T23:09:12 < Laurenceb_> wut
2013-05-01T23:09:35 < Laurenceb_> so its a crappy F4
2013-05-01T23:09:56 < Laurenceb_> oh wait
2013-05-01T23:10:03 < Laurenceb_> 48 pin HELL YEAH
2013-05-01T23:10:51 < Laurenceb_> oh QFN FAIL
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2013-05-01T23:17:28 <+Steffanx> Somethign wrong with qfn mr Laurenceb?
2013-05-01T23:17:32 <+Steffanx> * Laurenceb_
2013-05-01T23:17:42 < Laurenceb_> horrible
2013-05-01T23:17:51 <+Steffanx> It's also slower, 'only' 84mhz btw
2013-05-01T23:18:34 < zyp> hmm
2013-05-01T23:18:46 -!- akaWolf [~akaWolf@unaffiliated/akawolf] has quit [Ping timeout: 248 seconds]
2013-05-01T23:18:48 <+Steffanx> And 3x3mm in bga package is nice for an f4 :P
2013-05-01T23:18:52 < zyp> is it really setting itself apart from F3 then?
2013-05-01T23:19:10 <+Steffanx> looking at this it as a 'special' purpose: http://www.st.com/web/en/fragment/press/technical_press_release/press_image/STM32F401_block_n3418big.jpg
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2013-05-01T23:19:11 < zyp> 84 is not that much faster than 72 MHz for that to be a huge point
2013-05-01T23:19:30 < zyp> ah, but it will have the ART
2013-05-01T23:19:55 <+Steffanx> and no 3x3mm package
2013-05-01T23:20:00 <+Steffanx> *the f3 has no 3x3mm package
2013-05-01T23:20:45 <+Steffanx> Laurenceb_'s first mac will have a stm32f401 inside :P
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2013-05-01T23:24:36 < Tectu> jpa-, finnland guy, seriously?  http://img.pr0gramm.com/2013/05/gkz89pa.gif
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2013-05-01T23:42:25 < Laurenceb_> genius
2013-05-01T23:42:40 < Laurenceb_> now we know his passport number
2013-05-01T23:45:11 < zyp> so what?
2013-05-01T23:49:30 < Tectu> zyp, nanana, let him dream :)
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2013-05-02T02:08:11 < johntram> hi.  what does the __asm( "BRK" ) call do?
2013-05-02T02:10:20 < karlp> god I'm such and idiot, I didn't turn on clocks again
2013-05-02T02:11:49 < gxti> johntram: __asm embeds arbitrary assembly code
2013-05-02T02:11:57 < gxti> as for BRK, look in the reference manual
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2013-05-02T02:42:03 < johntram> wow this ref manual is huge
2013-05-02T02:42:07 < johntram> 1400 pages!
2013-05-02T02:42:22  * johntram grabs a coffee and starts reading 
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2013-05-02T02:54:39 < dongs> karlp: lols
2013-05-02T03:08:50 < R2COM> http://i.imgur.com/HYCEGwu.jpg
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2013-05-02T03:48:52 < gxti> ran out of end-launch connectors? pretty, though
2013-05-02T03:52:38 < gxti> heh, now i see your comment in the other channel
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2013-05-02T04:38:05 < R2COM> yes its not end launch connector.
2013-05-02T04:38:16 < R2COM> I ordered more though
2013-05-02T04:38:58 < R2COM> comment on other channel was aimed to pcb material not to connectors
2013-05-02T04:52:10 < upgrdman> whats the point of the pcb? why not a coax cable?
2013-05-02T04:52:29 < gxti> upgrdman: characterizing the pcb process
2013-05-02T04:52:35 < upgrdman> ohhh
2013-05-02T05:35:01 < R2COM> yes
2013-05-02T05:35:07 < R2COM> reflection and transmission mainly
2013-05-02T05:35:08 < R2COM> http://i.imgur.com/Q0Mnubb.jpg
2013-05-02T05:35:13 < R2COM> http://i.imgur.com/QhrS3AV.jpg
2013-05-02T05:36:29 < R2COM> it would be better of course with a right connectors, but not good enough with that fr4 process. just something around 1.5GHz or maybe some more.
2013-05-02T05:37:14 < R2COM> pic#1 has a marker on frequency domain until which reflection is reasonable
2013-05-02T05:42:17 < R2COM> I'll do more tests with completely different type of feed next time with another process
2013-05-02T05:42:44 < R2COM> of course those are not frequencies at which one who builds stuff with stm32 has to worry about :D
2013-05-02T05:46:32 < dongs> im in ur pcb, adjusting ur frequencyz
2013-05-02T05:47:35 < R2COM> nah. noone fucks with my pcbs
2013-05-02T05:51:15 < talsit> zlog logs
2013-05-02T05:51:15 < zlog> talsit: Log stored at http://tom-itx.dyndns.org:81/~tom-itx/irc/logs/%23%23stm32/2013-05-01.html
2013-05-02T05:51:49 < R2COM> zlog: 7 / 0
2013-05-02T05:51:49 < zlog> R2COM: Log stored at http://tom-itx.dyndns.org:81/~tom-itx/irc/logs/%23%23stm32/2013-05-01.html
2013-05-02T05:51:55 < R2COM> zlog: 1 + 1
2013-05-02T05:51:55 < zlog> R2COM: Log stored at http://tom-itx.dyndns.org:81/~tom-itx/irc/logs/%23%23stm32/2013-05-01.html
2013-05-02T05:51:58 < R2COM> hmm
2013-05-02T05:52:05 < R2COM> :P
2013-05-02T05:52:09 < talsit> zlog 2987^231
2013-05-02T05:52:10 < zlog> talsit: Log stored at http://tom-itx.dyndns.org:81/~tom-itx/irc/logs/%23%23stm32/2013-05-01.html
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2013-05-02T10:14:16 < R2COM> what a silence! where are discussions
2013-05-02T10:17:14 < dongs> yea, lack of chats is disturbing
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2013-05-02T10:32:03 < GargantuaSauce> https://www.youtube.com/watch?v=H8p6o9Nr7k8
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2013-05-02T10:47:51 < dongs> thats emeb-class stuff
2013-05-02T10:48:09 < gnomad> The Buccla is the only random synth that hasn't driven me nuts.
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2013-05-02T11:45:02 < capacitor> i think i have to read the bible to configure the DAC
2013-05-02T11:50:29 < zyp> reading the reference manual should be enough
2013-05-02T11:52:47 < capacitor> yeah i got it working but man
2013-05-02T11:53:17 < capacitor> O.o
2013-05-02T12:04:29 < capacitor> i wonder what it is running off lol
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2013-05-02T12:31:05 < dongs> all dual-N fet packages are same pinout right
2013-05-02T12:31:06 < dongs> in so8
2013-05-02T12:37:45 < zyp> probably not, to troll people making those assumptions
2013-05-02T12:38:47 < Tectu> morning folks
2013-05-02T12:43:08 < dongs> zyp: haha
2013-05-02T12:43:16 < dongs> i looked through a couple, most seem to be same setup
2013-05-02T12:43:25 < dongs> S/G/S/G/DDDD
2013-05-02T12:43:28 < jpa-> zyp: i always manage to layout the PCB for the troll part and then the troll part goes end-of-life the next week
2013-05-02T12:43:36 < dongs> yeah heh
2013-05-02T12:43:41 < dongs> or like SOT223 regulators
2013-05-02T12:43:44 < jpa-> same as with S.. yah
2013-05-02T12:43:45 < dongs> with different pinout
2013-05-02T12:43:47 < dongs> fucking assholes
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2013-05-02T12:59:33 < zyp> yeah, like my lpc board
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2013-05-02T13:36:24 < capacitor> hi Tectu
2013-05-02T13:37:51 < Tectu> hello capacitor
2013-05-02T13:38:03 < capacitor> how are you today? I've been playing with my stm32f4
2013-05-02T13:38:12 < Tectu> what did you make?
2013-05-02T13:38:25 < capacitor> just playing with the DAC
2013-05-02T13:39:31 < Tectu> okay
2013-05-02T13:39:32 < capacitor> i interfaced the high resolution linear position sensor too
2013-05-02T13:39:42 < Tectu> the?
2013-05-02T13:39:43 < capacitor> going to make me a position servo
2013-05-02T13:39:49 < capacitor> AS5311
2013-05-02T13:40:06 < capacitor> apparently it can do 488nm steps
2013-05-02T13:43:00 < Tectu> are you sure that you are up to the task with the mechanics?
2013-05-02T13:43:36 < capacitor> probably not at this stage but im probably going to sort that stuff out later
2013-05-02T13:45:04 < capacitor> should be fun
2013-05-02T13:45:06 < Tectu> have you ever done anything which is even just 1/10mm of precision?
2013-05-02T13:45:19 < capacitor> nope
2013-05-02T13:45:38 < capacitor> i'm not too worried about super fine accuracy just yet
2013-05-02T13:46:26 < capacitor> i want to write the control softwares
2013-05-02T13:47:27 < capacitor> with the laguerre functions
2013-05-02T13:48:23 < capacitor> maybe i can buy lots of stm32f4 boards and stack them up for extra power
2013-05-02T13:50:33 < capacitor> the control stuff i want to try has a lot of math in it
2013-05-02T13:56:15 < dongs> make sure to use chibios
2013-05-02T13:56:18 < dongs> so you can ask Tectu for help
2013-05-02T13:57:52 < Tectu> thanks dongs, fucking thanks
2013-05-02T13:58:01 < dongs> ^^ ilu
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2013-05-02T14:18:33 < capacitor> hahahahaha
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2013-05-02T14:20:35 < sterna1> isn't stm32f4 really good at math?
2013-05-02T14:20:48 < sterna1> I mean, you do have an FPU which is really fast
2013-05-02T14:20:49 < zyp> it's all relative
2013-05-02T14:20:59 < zyp> for an MCU, it's pretty fast
2013-05-02T14:21:20 < sterna1> yes, of course
2013-05-02T14:25:17 < karlp> pretty shit for compiling gentoo though...
2013-05-02T14:26:08 < karlp> man, chrome(ium) history search is terrible
2013-05-02T14:26:14 < karlp> it won't search in urls
2013-05-02T14:27:30 < karlp> this has a renesas quote talking about 2013 being the year of micros going to 40nm and 200mhz and >1meg flash. http://www.eetimes.com/General/PrintView/4412867
2013-05-02T14:27:35 < karlp> more faster!
2013-05-02T14:27:45 < karlp> pretty poor quote though really
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2013-05-02T14:30:20 < sterna1> well, MCUs might not come down to 40nm in 2013
2013-05-02T14:30:50 < sterna1> but the other two (200Mhz and >1MB flash) is where we are at now more or less
2013-05-02T14:31:06 < sterna1> the SMT32F43xx-series is up there, right?
2013-05-02T14:32:48 < Laurenceb> F401 is actually pretty epic
2013-05-02T14:32:56 < Laurenceb> 11mA @ 84MHz
2013-05-02T14:33:42 < Laurenceb> [08:52]<willdude> sorry for falsely stating you were impersonating my mother
2013-05-02T14:33:46 < Laurenceb> lolwtf
2013-05-02T14:34:28 < karlp> yeah, f401 looks like the nicest f4 :)
2013-05-02T14:34:30 < sterna1> stm32f439 runs at 180Mhz and has 2 meg flash (some of them at least)
2013-05-02T14:35:08 < sterna1> but those sounds nice
2013-05-02T14:35:34 < sterna1> f401
2013-05-02T14:35:50 < Laurenceb> at 1.8v thats ~20mW
2013-05-02T14:36:08 < sterna1> they're trying to take market shares from TI
2013-05-02T14:36:24 < Laurenceb> silabs still has lowest power
2013-05-02T14:36:36 < sterna1> I wonder what the price of one f401 would be
2013-05-02T14:36:37 < karlp> but can you buy them?
2013-05-02T14:36:42 < sterna1> not yet it seems
2013-05-02T14:36:46 < Laurenceb> but yeah msp430 is pretty pointles now
2013-05-02T14:36:51 < karlp> I was talking about the silabs parts
2013-05-02T14:36:51 < Laurenceb> with all the low power arms
2013-05-02T14:37:55 < karlp> don't hold your breath for lower power stellaris thehn :)
2013-05-02T14:38:02 < karlp> sorry, tiva
2013-05-02T14:38:02 < sterna1> wooot
2013-05-02T14:38:13 < sterna1> f401 will come in qfn :)
2013-05-02T14:38:22 < Laurenceb> ewww
2013-05-02T14:38:27 < Laurenceb> that is not good
2013-05-02T14:38:52 < sterna1> additionally to large lqfp and impossible bga
2013-05-02T14:39:36 < sterna1> also, they have wlcsp
2013-05-02T14:39:41 < sterna1> which is like bga on crack
2013-05-02T14:39:42 < karlp> meh, we'll all learn to love qfn one day.
2013-05-02T14:39:50 < karlp> same as I hve come to love lqfp over pdip
2013-05-02T14:39:52 < sterna1> 49 pads on 3x3mm
2013-05-02T14:40:04 < Laurenceb> id try it
2013-05-02T14:40:13 < Laurenceb> if i could get a pcb made with that spec
2013-05-02T14:40:25 < sterna1> I don't think soldering is the trouble
2013-05-02T14:40:27 < Laurenceb> actually...
2013-05-02T14:40:36 < Laurenceb> f401 is as good as silabs
2013-05-02T14:40:45 < Laurenceb> " Flash memory to be as low as 140 µA/MHz"
2013-05-02T14:41:03 < Laurenceb> "175 μA/MHz with VBAT at 3.6 V executing from flash"  <- silabs
2013-05-02T14:41:09 < sterna1> the trouble is designed a PCB and being able to order it at a resonable price
2013-05-02T14:41:19 < sterna1> 175µA/Mhz
2013-05-02T14:41:24 < sterna1> what was msp430 again...
2013-05-02T14:41:30 < sterna1> I saw this just now
2013-05-02T14:41:37 < Laurenceb> something like that
2013-05-02T14:41:44 < Laurenceb> but msp430 is 16bit
2013-05-02T14:41:49 < Laurenceb> so you can't compare
2013-05-02T14:41:50 < sterna1> 100µA/Mhz
2013-05-02T14:41:54 < Laurenceb> yeah
2013-05-02T14:41:56 < sterna1> yes, of course
2013-05-02T14:42:04 < Laurenceb> so msp430 loses in most cases
2013-05-02T14:42:12 < karlp> hard to get meaninful results from uA/mhz numbers anyway
2013-05-02T14:42:18 < sterna1> 1MHz at 32bit is worth more than 1Mhz at 16bits
2013-05-02T14:42:42 < sterna1> which series is it that silabs makes?
2013-05-02T14:42:45 < sterna1> is it kinetis?
2013-05-02T14:43:10 < karlp> no, that's freescale
2013-05-02T14:43:28 < karlp> doesn't matter how fast I can calculate pi if turning on a gpio uses 10mA for instance.
2013-05-02T14:43:30 < Laurenceb> f401 RTC is ~1µA
2013-05-02T14:43:38 < Laurenceb> as opposed to ~350nA for silabs
2013-05-02T14:44:09 < Laurenceb> yeah - silabs still wins on standby modes
2013-05-02T14:44:29 < karlp> better make sure you have no leakage _anywhere_ else on the board :)
2013-05-02T14:45:13 < karlp> also, who's selling the precision32 stuff from silabs?
2013-05-02T14:46:03 < karlp> oh, they are on digikey, I was looking at the wrong parts
2013-05-02T14:47:55 < jpa-> finding µA-class regulator for F40x is annoying if it also needs to provide ~200mA at max
2013-05-02T14:51:20 < sterna1> hmm, mouser seems a little retarded
2013-05-02T14:51:33 < sterna1> you can sort on cortex-m5 and cortex-m6
2013-05-02T14:51:40 < Laurenceb> their matching items indicator is good
2013-05-02T14:53:52 < sterna1> yeah, I like mouser
2013-05-02T14:54:07 < sterna1> except that their have messed up the meta data sometimes
2013-05-02T14:54:27 < sterna1> the best one I've seen was an inductor with 1kµH
2013-05-02T14:56:02 < Laurenceb> lolz
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2013-05-02T15:12:57 < dongs> kineetis is garbage
2013-05-02T15:13:15 < dongs> shit hardware, shit libs
2013-05-02T15:13:20 < dongs> codewarrior is aids
2013-05-02T15:13:40 < dongs> and theywere one of the first cunts to come out wiht M4 without fpu
2013-05-02T15:23:42 < capacitor> thats a bad word man
2013-05-02T15:25:09 < sterna1> I feel the same about lpc1313
2013-05-02T15:26:54 < Laurenceb> unlucky number
2013-05-02T15:27:05 < sterna1> yeah, probably that
2013-05-02T15:35:30 < Laurenceb> another day...
2013-05-02T15:35:40 < Laurenceb> another RAGEEEE
2013-05-02T15:36:01 < capacitor> whats wrong brah?
2013-05-02T15:36:03 < Laurenceb> least squares fitting
2013-05-02T15:36:25 < capacitor> maybe
2013-05-02T15:36:26 < Laurenceb> it would help if actually understood this properly...
2013-05-02T15:37:03 < capacitor> mister matlab
2013-05-02T15:37:06 < Laurenceb> heh
2013-05-02T15:37:17 < capacitor> thats what professor told me
2013-05-02T15:37:25 < capacitor> just get mister matlab to do it....
2013-05-02T15:37:35 < Laurenceb> i make one of the columns of my matrix negative and the sign of the corresponding output vector element doesnt flip sign
2013-05-02T15:37:37 < Laurenceb> wtf
2013-05-02T15:37:44 < Laurenceb> this is in matlab
2013-05-02T15:38:03 < Laurenceb> the element changes tho...
2013-05-02T15:38:16 < Laurenceb> i think im misunderstanding how this stuff works :-/
2013-05-02T15:38:28 < capacitor> i'm terrible at matrices
2013-05-02T15:38:33 < capacitor> like hopeless
2013-05-02T15:39:49 < Laurenceb> im using gnu-octave atm.. could be a bug :P
2013-05-02T15:40:03 < capacitor> hahaha rms
2013-05-02T15:40:06 < Laurenceb> http://www.gnu.org/software/octave/doc/interpreter/Linear-Least-Squares.html
2013-05-02T15:40:18 < Laurenceb> "Minimize norm (c*x - d) subject to x >= 0"
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2013-05-02T15:40:35 < Laurenceb> if i change the sign of a column of c, i dont see a sign flip in x
2013-05-02T15:40:58 < Laurenceb> erm
2013-05-02T15:41:07 < Laurenceb> "subject to x >= 0"
2013-05-02T15:41:16 < Laurenceb> yeah im not that stupid, i used lsq
2013-05-02T15:41:25 < Laurenceb> but anyways
2013-05-02T15:41:32 < Laurenceb> bbl
2013-05-02T15:41:41 < capacitor> sounds like a winner, later...
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2013-05-02T16:21:16 < Devilholk> I wonder where I find the PID for a device. Does STM32F100x4 and STM32F100x6 both have 0x420?
2013-05-02T16:23:27 < zyp> it's documented in the reference manual
2013-05-02T16:24:14 < karlp> (and sometimes also in the errata, for the times they've fucked it up)
2013-05-02T16:24:37 < karlp> but yes, you can't tell what package the device is in as far as I've been able to tell
2013-05-02T16:25:00 < karlp> there's a flash memory size register, that doesn't always tell the truth either, but it's something.
2013-05-02T16:25:34 < zyp> like the first revision of F4, that identifies as F2 :p
2013-05-02T16:25:49 < karlp> dongs: kinetis m0+ parts look ok. didn't look at the "bigger" ones
2013-05-02T16:25:56 < karlp> anyway, well overdue for lunch
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2013-05-02T16:47:10 < sterna1> zyp: the reference manual for the specific part or the general one?
2013-05-02T16:49:06 < sterna1> Devilholk: it's in the general reference manual
2013-05-02T16:49:07 < zyp> the RM* document
2013-05-02T16:49:12 < sterna1> under Debug support
2013-05-02T16:49:15 < zyp> yep
2013-05-02T16:49:26 < sterna1> rm0041 for stm32f100x
2013-05-02T16:50:08 < sterna1> and it seems that the version of the manual I have is a little fucked up
2013-05-02T16:50:19 < sterna1> since they've written it two times
2013-05-02T16:50:29 < jpa-> i wonder why ST always messes up the ID code :)
2013-05-02T16:50:58 < sterna1> to make stuff harder for people
2013-05-02T16:51:04 < jpa-> i also wonder how come farnell still ships F4 rev A
2013-05-02T16:51:05 < karlp> I wonder why they dont fix errata like, "the calibration coeffs that we claim to have stored at manufacturing aren't there"
2013-05-02T16:51:21 < sterna1> Devilholk: anyway, low- and medium density have 420 and high density have 428
2013-05-02T16:51:21 < zyp> jpa-, I guess they need to get rid of them somehow
2013-05-02T16:51:22 < karlp> either remove it from the RM, or fit the errata.
2013-05-02T16:51:39 < jpa-> zyp: then they have stocked up way too much of them :)
2013-05-02T16:52:08 < jpa-> zyp: it would be especially fun for the 100-pin parts, because rev A and rev Z are not pinout compatible :P
2013-05-02T16:52:22 < sterna1> aren't they?
2013-05-02T16:52:30 < sterna1> did they fuck up that much for rev A?
2013-05-02T16:52:31 < jpa-> PDR_ON becomes GND
2013-05-02T16:52:41 < jpa-> and if you want RTC to work, PDR_ON has to be high
2013-05-02T16:52:54 < gxti> 100k resistor? :p
2013-05-02T16:52:58 < jpa-> i guess you can manage with a pull-up resistor, but it is a bit nasty :P
2013-05-02T16:53:03 < gxti> yeah
2013-05-02T16:53:41 < jpa-> for TQFP144 we still receive rev A and rev Z in random.. you never know what you will get
2013-05-02T16:53:43 < sterna1> ooh, I can think really see poeple trying to get RTC to work with revision A
2013-05-02T16:54:16 < jpa-> but fortunately that problem doesn't exist on 144-pin parts :)
2013-05-02T16:54:38 < Devilholk> sterna1: Yes, I was pondering fixing stm32flash to report correct sizes but seems like I have to dig in to do that, so another day
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2013-05-02T17:20:15 < inca> has anyone worked on PCIe bus before?
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2013-05-02T17:44:43 < dongs> for what
2013-05-02T17:45:53 < inca> dongs: I'm looking for economical PCIe dev platform to do general purpose outboard electronic interfacing
2013-05-02T17:46:28 < dongs> inca: altera, xilinx have fpga with pcie core in them
2013-05-02T17:46:39 < dongs> or else get pcie>pci bridge from TI/etc
2013-05-02T17:46:44 < dongs> and just hax it up as a pci device
2013-05-02T17:47:20 < inca> Yep. It looks like Altera > Xilinx this year. Signed up for the SoCkit arrow thing, which should be fun.
2013-05-02T17:47:41 < inca> hmm… I hadn't looked at the TI pcie>pci bridge yet… good call
2013-05-02T17:47:48 < dongs> they're cheap
2013-05-02T17:47:49 < dongs> but bga.
2013-05-02T17:47:58 < dongs> ive used uh.. whatever forget partnumber
2013-05-02T17:48:00 < dongs> theres only a couple
2013-05-02T17:48:08 < inca> do they have surfboards for bga yet?
2013-05-02T17:48:10 < dongs> XIA2000
2013-05-02T17:48:10 < dongs> that
2013-05-02T17:48:11 < dongs> xIO
2013-05-02T17:48:21 < dongs> http://www.ti.com/product/xio2001
2013-05-02T17:48:52 < gxti> nifty
2013-05-02T17:48:53 < inca> got it… lol, 1/5 star review out of one reviews =)
2013-05-02T17:49:02 < dongs> > reviews
2013-05-02T17:49:04 < gxti> must be trash, reviews are never wrong
2013-05-02T17:49:05 < dongs> who the fuck cares
2013-05-02T17:49:18 < dongs> http://www.ti.com/product/xio2000a&lpos=Middle_Container&lid=Alternative_Devices i think i used this though
2013-05-02T17:49:18 < gxti> "did not worh with my arduino. would not buy again."
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2013-05-02T17:49:21 < dongs> thats old version
2013-05-02T17:49:42 < inca> it's okay =)
2013-05-02T17:50:03 < inca> yeah, think it was the old version
2013-05-02T17:51:14 < inca> 250 MB/s sounds pretty good to me
2013-05-02T17:51:31 < dongs> pci is only 133 anyway
2013-05-02T17:51:46 < dongs> pcie x1 is higher bandwidth
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2013-05-02T17:54:06 < inca> this looks like a good way to proof of concept for cheap
2013-05-02T17:54:12 < inca> thanks, dongs!
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2013-05-02T18:00:47 < inca> $300 eval, not too bad: https://estore.ti.com/XIO2001EVM-XIO2001-Evaluation-Module-P1749.aspx
2013-05-02T18:01:27 < sterna1> I think we found an FPGA dev board with that bridge on in the thrash
2013-05-02T18:01:31 < sterna1> I beleive it works
2013-05-02T18:01:53 < sterna1> and it's something like 400 bucks
2013-05-02T18:02:08 < sterna1> don't remember the name, but it ewas for spartan 6
2013-05-02T18:02:08 < inca> know what FPGA?
2013-05-02T18:02:12 < inca> hmm
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2013-05-02T18:02:29 < inca> are you in the states?
2013-05-02T18:02:43 < dongs> probably eurofag
2013-05-02T18:03:10 < sterna1> sweden
2013-05-02T18:03:17 < sterna1> http://www.xilinx.com/products/boards-and-kits/EK-S6-SP605-G.htm
2013-05-02T18:03:21 < sterna1> there it is
2013-05-02T18:03:32 < sterna1> I don't know how to work with FPGAs though
2013-05-02T18:04:01 <+Steffanx> You found that in the trash sterna1 ?!
2013-05-02T18:04:01 < inca> I'd pay shipping plus $30 for your time, if you are willing
2013-05-02T18:04:05 < dongs> i would expet that shit to just directly interface with pcie
2013-05-02T18:04:11 < sterna1> yep
2013-05-02T18:04:17 < dongs> i dont see that bridge chip on tehre
2013-05-02T18:04:20 < dongs> unless its on the back
2013-05-02T18:04:24 < sterna1> I think it's on the back
2013-05-02T18:04:30 < sterna1> there are some large ones there
2013-05-02T18:04:33 < inca> spartan-6 has ip core
2013-05-02T18:04:39 < dongs> ^
2013-05-02T18:04:42 < inca> but there could be a bridge
2013-05-02T18:04:53 < dongs> i believe some altera variant has hard pcie
2013-05-02T18:04:57 < dongs> xilinx is soft
2013-05-02T18:05:04 < inca> mmm
2013-05-02T18:05:04 < dongs> there's also some init issues
2013-05-02T18:05:09 < dongs> you have to use faster flash
2013-05-02T18:05:12 < dongs> or parallel load?
2013-05-02T18:05:16 < dongs> if you do soft pcie core
2013-05-02T18:05:17 < sterna1> as I said, I don't know if it works, but the LEDs started blinking when I powered it up and it blinked differently when I pressed som buttons
2013-05-02T18:05:21 < dongs> cause otherwise it doenst init fast enough
2013-05-02T18:05:22 < gxti> xilinx has hard transceivers though
2013-05-02T18:05:26 < gxti> so it's not all soft
2013-05-02T18:06:16 < dongs> sterna1: ill give you 50 bucks not to ship it to inca
2013-05-02T18:06:18 < gxti> not all of them, mind you, can't pass up an opportunity to charge extra
2013-05-02T18:06:28 < inca> dongs: thanks =P
2013-05-02T18:06:30 < sterna1> dongie: taken
2013-05-02T18:06:39 < sterna1> :P
2013-05-02T18:06:42 < gxti> sterna1: i'll take 50 of your dollars if you ship it to me.
2013-05-02T18:06:55 < sterna1> nah, but I think I'll try to use it
2013-05-02T18:06:57 < gxti> i will also accept $50 from dongs instead
2013-05-02T18:07:02 < sterna1> I wan't to learn fpga
2013-05-02T18:07:06 < sterna1> *want
2013-05-02T18:07:14 < gxti> you could do worse than that board, that's for sure
2013-05-02T18:07:25 < karlp> I see your bids and raise to accepting only $200 for my time in handling this thing
2013-05-02T18:07:41 < inca> sterna1: I have a spartan 3 board which is less intimidating for learning =)
2013-05-02T18:07:50 < gxti> my digilent atlys isn't nearly as sexy as that thing, it's the same size but not as much extra crap and no pci-e
2013-05-02T18:07:53 < dongs> i got a spartan 3e kit shit somewehre
2013-05-02T18:08:05 < dongs> http://www.xilinx.com/products/boards-and-kits/HW-SPAR3E-SK-US-G.htm this shit i think
2013-05-02T18:08:07 < gxti> XC6SLX45, not T :[
2013-05-02T18:09:45 < inca> sterna1: it's okay, Arrow + Altera are making all the old tech pretty dated this year with SoCkit
2013-05-02T18:10:19 < inca> system-level integration (supposedly), RTL for fun only, and lots and lots of ARM fun
2013-05-02T18:10:23 < dongs> that shit just lookes like DE0-type stuff
2013-05-02T18:10:26 < dongs> probably same company?
2013-05-02T18:10:29 < sterna1> inca: yeah, I saw that one
2013-05-02T18:10:34 < sterna1> seems rather cool
2013-05-02T18:10:34 < inca> don't know DE0
2013-05-02T18:10:35 < dongs> terasic
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2013-05-02T18:10:43 < dongs> http://www.altera.com/education/univ/materials/boards/de0/unv-de0-board.html
2013-05-02T18:10:57 < dongs> shit looks almost identical
2013-05-02T18:10:58 < dongs> lulz
2013-05-02T18:11:13 < inca> sterna1: if it's half as good as it sounds, it'll be sweet
2013-05-02T18:11:14 < sterna1> that wasn't very expensive
2013-05-02T18:12:07 < sterna1> well, time to go away for a while now
2013-05-02T18:12:12 < inca> ciao
2013-05-02T18:12:16 < sterna1> see ya
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2013-05-02T19:32:02  * jpa- is bored
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2013-05-02T19:40:51 <+Steffanx> poor jpa-
2013-05-02T19:40:54 <+Steffanx> still on holiday?
2013-05-02T19:41:00 < jpa-> not anymore
2013-05-02T19:41:14 < jpa-> full work weeks now
2013-05-02T19:48:17 <+Steffanx> aw
2013-05-02T19:49:59 < zyp> that's life
2013-05-02T19:50:35 <+Steffanx> *modern slavery
2013-05-02T19:50:44 < jpa-> wish my work was less depressing
2013-05-02T19:50:59 <+Steffanx> Time to find yourself a new job?
2013-05-02T19:51:10 < jpa-> maybe
2013-05-02T19:51:13 <+Steffanx> Perhaps you can get a collegue of zyp
2013-05-02T19:51:25 < jpa-> but it's hard to see from outside what is a good job and what is not
2013-05-02T19:51:26 <+Steffanx> *become
2013-05-02T19:51:30 < zyp> heh
2013-05-02T19:51:41 < jpa-> so many places are total wtf
2013-05-02T19:51:53 <+Steffanx> Yeah, for sure
2013-05-02T19:52:15 < zyp> we just hired ~20 guys, so I don't think there is a huge need of more people right now
2013-05-02T19:52:29 <+Steffanx> but no one of them is jpa-
2013-05-02T19:52:45 <+Steffanx> So you're team isn't complete yet
2013-05-02T19:52:47 < zyp> nah, all former STE employees
2013-05-02T19:52:57 <+Steffanx> *your
2013-05-02T19:52:59 < jpa-> i speak fluent norwegian, too (it's just another name for bad swedish, anyway)
2013-05-02T19:53:03 < zyp> :p
2013-05-02T19:53:34 < jpa-> but i don't like consult companies anyway
2013-05-02T19:53:41 < jpa-> already working for one :D
2013-05-02T19:54:19 <+Steffanx> So just win a few million in a lotery and quit your jobs
2013-05-02T19:54:27 < zyp> :p
2013-05-02T19:54:35 < jpa-> then i get bored
2013-05-02T19:55:00 < jpa-> if i really wanted, i could probably negotiate a bit higher salary and live real cheap and take every other year off :)
2013-05-02T19:55:53 <+Steffanx> "live real cheap" your parrot accepts that?
2013-05-02T19:56:21 < jpa-> she can earn her own money if it comes to that :P
2013-05-02T19:56:43 < zyp> well, my company is not really a consulting company, it's just a way of generating more income to fund fun projects :p
2013-05-02T19:57:06 < jpa-> my fun projects don't take money, they take time :F
2013-05-02T20:05:55 < karlp> time is money
2013-05-02T20:06:54 < jpa-> for me, the limitation seems to be something other than time.. more like that work wears me out so that i can't bother to do anything fun anymore
2013-05-02T20:07:00 <+Steffanx> Not in hobby-bobby-time
2013-05-02T20:07:24 <+Steffanx> modern slavery.. jpa- :P
2013-05-02T20:07:31 < zyp> jpa-, doesn't everybody have those days?
2013-05-02T20:07:46 < jpa-> zyp: i don't know.. i've only ever been myself
2013-05-02T20:07:54 < zyp> :)
2013-05-02T20:08:05 <+Steffanx> I know how it feels jpa-. but i've been jpa- before you
2013-05-02T20:08:07 < zyp> well, I know I do
2013-05-02T20:09:11 < zyp> and some coworkers of mine are talking about how they don't feel motivated to code on hobby projects when they get home from writing code all day at work
2013-05-02T20:09:40 < karlp> I get that sometimes
2013-05-02T20:09:45 < jpa-> it never bothered me to do hobby stuff after doing school stuff all day
2013-05-02T20:10:00 < karlp> depends how interesting/boring/detailed the days work was.
2013-05-02T20:10:16 < jpa-> i could be ok with coding at work only, if not for knowing that all code i write at work is useless crap
2013-05-02T20:10:47 < karlp> :w
2013-05-02T20:11:32 < jpa-> but then again, that's mostly true of my code at home also, only that it is not *so* crap :)
2013-05-02T20:11:35 < zyp> that's one reason I liked the position I had at STE; I didn't have to write much code
2013-05-02T20:12:02 < zyp> I mostly read and debugged it
2013-05-02T20:12:25 < jpa-> i could be ok with that.. i like to debug stuff
2013-05-02T20:12:32 < zyp> yeah, so do I
2013-05-02T20:12:42 < jpa-> (unless i have some sales jerk standing beside and waiting for it to be debugged..)
2013-05-02T20:13:12 <+Steffanx> ha
2013-05-02T20:17:34 < gxti> that's SENIOR salesjerk to you, mister
2013-05-02T20:20:19 <+Steffanx> gxti sounds like one with experience
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2013-05-02T20:40:37 < Robint91> hi all
2013-05-02T20:40:55 < jpa-> hello
2013-05-02T20:40:59 < Robint91> I received today that baseboard tor the F4
2013-05-02T20:41:07 < Robint91> and also the camera module
2013-05-02T20:41:18 <+Steffanx> welcome mr T
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2013-05-02T22:44:21 < BJFreeman> neat Robint91`
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2013-05-02T22:46:27 < BJFreeman> as to get up to speed quick i started with the arducam code then went to the F4 library
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--- Day changed Fri May 03 2013
2013-05-03T00:03:49 < Laurenceb_> http://diydrones.com/profiles/blogs/thirty-days-behind-the-scenes-at-3dr-may-2-iso9001-2008-certifica
2013-05-03T00:03:54 < Laurenceb_> truly epic lolz
2013-05-03T00:04:23 < Laurenceb_> infinite recursive fail
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2013-05-03T00:10:07 < Erlkoenig> i don't get it
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2013-05-03T00:22:49 <+Steffanx> just ignore it Erlkoenig. Really, just ignore it
2013-05-03T00:23:00 < Erlkoenig> okay...
2013-05-03T00:24:42 < gxti> amusing, but not THAT amusing
2013-05-03T00:27:27 < Laurenceb_> well you dont have to spend entire days in ISO meetings
2013-05-03T00:27:48 < Laurenceb_> once someone got hit over the head with a frying pan on the teleconference
2013-05-03T00:27:53 < Laurenceb_> the only time it was ever fun
2013-05-03T00:28:29 <+Steffanx> wonderful, Laurenceb_
2013-05-03T00:30:07 < Laurenceb_> all the engineers shout "Knock out!!!"
2013-05-03T00:30:14 < Laurenceb_> and start a countdown
2013-05-03T00:30:25 < Laurenceb_> managers are like WTF?!
2013-05-03T00:30:41 < Erlkoenig> sound surrealistic
2013-05-03T00:30:53 < Erlkoenig> meeting on monday will decide whether my work of the last weeks will be used or dumped
2013-05-03T00:31:03 <+Steffanx> uh?
2013-05-03T00:31:16 <+Steffanx> your c++ stuff?
2013-05-03T00:31:20 < Erlkoenig> yup
2013-05-03T00:31:30 <+Steffanx> Why one would dump that?
2013-05-03T00:31:52 < Erlkoenig> they might prefer an ultraexpensive National Instruments FPGA Board, because it can be programmed graphically
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2013-05-03T00:32:13 < Erlkoenig> although it is proven that the power of a Cortex-M3 is sufficient
2013-05-03T00:32:34 < Erlkoenig> well i think there are more good arguments for my C++ stuff
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2013-05-03T00:35:04 <+Steffanx> "an ultraexpensive National Instruments FPGA Board, because it can be programmed graphically"..
2013-05-03T00:35:10 <+Steffanx> sorry, dont know what to say anymore :(
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2013-05-03T00:36:21 < Erlkoenig> ah yes and because NI gives free LabVIEW courses if we use their hardware (because of usual sponsor advertising)
2013-05-03T00:38:12 <+Steffanx> I had to use LabView for some course ..
2013-05-03T00:38:22 <+Steffanx> I was so happy it had a C block or whatever it was called P
2013-05-03T00:39:16 < Erlkoenig> haha... we have one programmer who can use Labview and quite some who know C,  C++
2013-05-03T00:40:15 <+Steffanx> How bad would you feel when they chose that crap over your lib?
2013-05-03T00:40:36 < Erlkoenig> sufficiently bad
2013-05-03T00:40:52 <+Steffanx> Did you test that fpga stuff?
2013-05-03T00:40:59 < Erlkoenig> didn't touch it...
2013-05-03T00:41:16 <+Steffanx> I wonder how well it performs or is the labview stuff converted into 'hardware'?
2013-05-03T00:41:32 < Robint91> labview fpga is kinda strange
2013-05-03T00:41:32 < Erlkoenig> i don't think i would learn labview for that... i'd maybe program an FPGA in VHDL but not graphically o.O
2013-05-03T00:41:48 < Robint91> they load a softcore to run most of your LV program in
2013-05-03T00:41:52 <+Steffanx> You dont want to use an fgpa for the stuff you are doing :P
2013-05-03T00:42:02 <+Steffanx> Robint91 really .. softcore?
2013-05-03T00:42:05 < Erlkoenig> if i got it right, they have 2 FPGA's - one of CAN interface, one for assisting the fat CPU doing the calculations
2013-05-03T00:42:09 < Robint91> Steffanx, yep
2013-05-03T00:42:14 <+Steffanx> Please use your veto against it Erlkoenig
2013-05-03T00:42:16 < Robint91> Steffanx, YOU ARE RUNNING SOFTWARE
2013-05-03T00:42:32 < Erlkoenig> Steffanx: i will use all my expertly discussing skillz
2013-05-03T00:42:50 <+Steffanx> Good
2013-05-03T00:42:55 < Erlkoenig> well one argument pro that board: it is very well designed to withstand electrical noise
2013-05-03T00:43:28 < Erlkoenig> our custom STM32F3 boards might be not that robust... although they can of course be mader robust, theoretically
2013-05-03T00:43:43 <+Steffanx> And it requires at least 1A @ 5V ? :P
2013-05-03T00:43:50 < Erlkoenig> more :D
2013-05-03T00:43:52 < Erlkoenig> and weights tons
2013-05-03T00:43:59 < Erlkoenig> and is huge
2013-05-03T00:44:10 <+Steffanx> perfect solution for an race car :)
2013-05-03T00:44:12 <+Steffanx> -n
2013-05-03T00:44:15 < Erlkoenig> exactly
2013-05-03T00:44:17 < Robint91> Erlkoenig, leave when they make the call on the fpga board
2013-05-03T00:44:25 < Robint91> Erlkoenig, simple as that
2013-05-03T00:44:31 < Erlkoenig> jup i guess so
2013-05-03T00:44:55 < Erlkoenig> then they have exactly one programmer who can handle the programming... who will leave the Uni soon probably
2013-05-03T00:46:50 <+Steffanx> We'll all be with you monday Erlkoenig :)
2013-05-03T00:47:01 <+Steffanx> youll be in our minds ..
2013-05-03T00:47:04 < Erlkoenig> one other Team actually uses that NI board, and it seems to work... still ugly as heck, especially on the cost report...
2013-05-03T00:47:15 < Erlkoenig> haha thanks :D ... united power for STM32 :D
2013-05-03T00:47:18 <+Steffanx> 50% of the budget? :)
2013-05-03T00:47:27 < Erlkoenig> probably like 30% but still
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2013-05-03T00:47:41 <+Steffanx> Dag
2013-05-03T00:48:03 < Erlkoenig> well if you were to series-manufacture the car with that
2013-05-03T00:48:13 < Erlkoenig> because of sponsoring we got out board massively cheaper
2013-05-03T00:48:16 <+Steffanx> How well does it perform anyway?
2013-05-03T00:48:19 < karlp> whee! pull requests to support building with gcc 2.x!
2013-05-03T00:48:21 < karlp> how useful!
2013-05-03T00:48:35 < Erlkoenig> ... but the jury evaluates the design based on series production
2013-05-03T00:48:37 <+Steffanx> Can the f4 outperform the fpga-software labview stuff?
2013-05-03T00:48:54 < Erlkoenig> it doesn't perform because there isn't a program yet......
2013-05-03T00:49:03 < Erlkoenig> well i guess no
2013-05-03T00:49:13 <+Steffanx> it doesnt even have a bootloaderish option?
2013-05-03T00:49:18 <+Steffanx> with onboard debugging and stuff
2013-05-03T00:49:19 < Erlkoenig> that board probably has insane calculation power of which we need 0.001%
2013-05-03T00:49:33 < Erlkoenig> well dunno
2013-05-03T00:49:37 < Erlkoenig> all wrapped into NI stuff
2013-05-03T00:49:41 < Erlkoenig> no direct hardware access
2013-05-03T00:49:47 <+Steffanx> vendor lockin ftw
2013-05-03T00:49:55 <+Steffanx> ( i wonder why dongs doesnt use it )
2013-05-03T00:49:57 < Erlkoenig> yes that too...
2013-05-03T00:50:23 < Erlkoenig> well my C++ stuff is vendor-locked to ARM-GCC because i know no other ARM-C++ Compiler that supports C++11 :D
2013-05-03T00:50:32 <+Steffanx> it would be a sad "told ya so" moment though :P
2013-05-03T00:50:39 <+Steffanx> *could be
2013-05-03T00:51:51 < Erlkoenig> problem is that NI board is somewhat the pet projekt of someone... that discussion might turn ugly
2013-05-03T00:52:20 <+Steffanx> and the c++ stuff is your pet project
2013-05-03T00:52:30 < Erlkoenig> yup but it's actually a sane use
2013-05-03T00:52:46 < Erlkoenig> also *I* manage to interface other CAN modules...
2013-05-03T00:54:10 <+Steffanx> Good luck. Time to sleep
2013-05-03T00:54:55 < Erlkoenig> thanks... good night :)
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2013-05-03T00:55:57 < karlp> Erlkoenig: wasn't zyp using some c++11 stuff? pretty sure it was just regular recent gcc
2013-05-03T00:56:20 < Erlkoenig> yes he was, my stuff is like zyp's stuff on drugs :3
2013-05-03T00:56:29 < Erlkoenig> yes GCC can do it
2013-05-03T00:56:32 < Erlkoenig> but armcc can't
2013-05-03T00:56:42 < karlp> oh, sorry, I misread you
2013-05-03T00:56:56 < karlp> I thought you meant armcc when you said "vendor-locked to ARMGCC"
2013-05-03T00:56:58 < Erlkoenig> well at least C++11 is standardized
2013-05-03T00:57:06 < Erlkoenig> no ARMGCC is GCC :D
2013-05-03T00:57:22 < karlp> yeah, but writing c++11 is hardly "vendor locked"
2013-05-03T00:57:28 < karlp> anyway, these are all distractions!
2013-05-03T00:57:46 < Erlkoenig> yup
2013-05-03T00:57:56 < Erlkoenig> writing an insane CANopen C++11 implementation now
2013-05-03T00:58:21 < Erlkoenig> i wonder whether any industrial customer would actually buy something like that
2013-05-03T01:00:26 < Laurenceb_> i dont think your work is needed
2013-05-03T01:00:32 < Laurenceb_> i mean look at iran
2013-05-03T01:00:36 < Laurenceb_> worked fine for them
2013-05-03T01:00:42 < Laurenceb_>  /jk
2013-05-03T01:00:47 < Erlkoenig> sounds like an argument
2013-05-03T01:03:37 < karlp> how can "make clean all" fail, but "make clean; make all" works :|
2013-05-03T01:03:54 < Laurenceb_> their graphically programmed enrichment worked wonderfully
2013-05-03T01:04:54 < Erlkoenig> didn't they use Siemens Technology?
2013-05-03T01:04:58 < zyp> karlp, does make enforce order of arguments?
2013-05-03T01:05:38 < zyp> doesn't make just satisfy the listed targets in any suitable order?
2013-05-03T01:06:38 < karlp> it's some trick in contiki makefiles I guess trying to help out with something else
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2013-05-03T03:28:12 < Tectu> anyone still here?
2013-05-03T03:31:33 < gxti> no
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2013-05-03T03:42:16 < dongs> sup dongs
2013-05-03T03:50:10 < emeb> bloggin'
2013-05-03T03:53:36 < emeb> hilarious side effects of BatchPCB selling out to OSHpark - lots of random n00bs asking for my gerbers.
2013-05-03T03:53:43 < dongs> haha
2013-05-03T03:53:49 < dongs> why?
2013-05-03T03:53:55 < dongs> did it become cheaper or something?
2013-05-03T03:54:19 < emeb> I had a bunch of designs on BatchPCB's 3rd-party design sales. Now OSHpark doesn't do 3rd-party sales.
2013-05-03T03:54:40 < emeb> so they have to come to me for the gerbers.
2013-05-03T03:54:48 < dongs> ah
2013-05-03T03:56:06 < gxti> there actually is store.oshpark.com but it's not as fully baked (not that batchpcb was 'baked' to begin with), it looks like listing stuff there is a manual process
2013-05-03T03:56:23 < dongs> so there was some shit like 'click here to order this guys pcbs' type shit?
2013-05-03T03:56:29 < gxti> yeah
2013-05-03T03:56:30 < emeb> yeah
2013-05-03T03:56:35 < dongs> and they kept designs and just made them. ok
2013-05-03T03:56:47 < emeb> if you wanted to set up the paperwork they'd even send you a cut.
2013-05-03T03:57:02 < emeb> but they needed a tax form so they could report the income.
2013-05-03T03:57:11 < emeb> so I didn't bother.
2013-05-03T03:57:37 < gxti> i don't really understand the appeal of selling or even giving away blank pcbs
2013-05-03T03:57:40 < dongs> silly american companies
2013-05-03T03:57:44 < dongs> yeahi dont either
2013-05-03T03:57:54 < dongs> there is maybe SOME point in through hole shit
2013-05-03T03:58:00 < dongs> but people email me asking for jewpad adapter pcbs
2013-05-03T03:58:03 < emeb> some folks can't be arsed to design their own I guess.
2013-05-03T03:58:03 < dongs> with 0.3mm pitch stuff
2013-05-03T03:58:07 < dongs> the fuck you gonna do wiht it???
2013-05-03T03:58:28 < gxti> emeb: yeah but getting a blank pcb just means now you have to buy a bunch of shit to make it work
2013-05-03T03:58:32 < gxti> and it's all on you if you fail
2013-05-03T03:58:49 < gxti> no economy of scale, etc
2013-05-03T03:58:50 < emeb> I guess. In some circles that's considered fun.
2013-05-03T03:59:06 < dongs> im in ur circle, making it fun
2013-05-03T03:59:10 < gxti> kits are one thing (that i also have no interest in) but blank pcbs are just failsauce
2013-05-03T03:59:12 < ds2> 0.3mm isn't THAT bad
2013-05-03T03:59:33 < ds2> I'd love full SMT kit
2013-05-03T04:00:49 < emeb> ds2: I've got those SI570 parts you wanted.
2013-05-03T04:01:00 < emeb> pm me with mailing info...
2013-05-03T04:05:44 < dongs> smt kit? only from a huge company that can automatically make them
2013-05-03T04:05:52 < dongs> it makes no sense for one dude to make smt kits of stuff
2013-05-03T04:05:59 < ds2> eh?
2013-05-03T04:05:59 < dongs> just cutting/labeling all cut tape/etc shit
2013-05-03T04:06:02 < dongs> is a giant waste of time
2013-05-03T04:06:02 < ds2> oh that
2013-05-03T04:06:14 < ds2> it isn't too bad, I did a SMT kit before
2013-05-03T04:06:20 < ds2> but it is labor intensive
2013-05-03T04:06:53 < ds2> having discovered SMT, I just donno why people even bother with TH. SMT is so much easier to deal with
2013-05-03T04:08:34 < dongs> bceause arduino
2013-05-03T04:10:29 < ds2> blah....that abomination
2013-05-03T04:10:48 < ds2> if I wanted to use a AVR, a pref board + a AVR is so much easier assuming one can figure out the programmer dejour
2013-05-03T04:16:36 < upgrdman> i also feared SMDs until i started to make my own pcbs. now i have a pile of PTH stuff that never gets used (except for bodges)
2013-05-03T04:26:02 < dongs> i just skipped all the crap and went directly to BGA and shit
2013-05-03T04:26:07 < dongs> throughhole crap is just a waste of time
2013-05-03T04:26:11 < dongs> no matter what the application
2013-05-03T04:29:44 < GargantuaSauce> how many PCBs did you send for that ended up being garbage in the learning process
2013-05-03T04:31:51 < englishman> dongs has a picknplace, so of course through-hole is a waste of time
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2013-05-03T04:33:47 < ds2> I don't have a PnP and I still prefer SMT
2013-05-03T04:35:42 < ds2> TH is just so annoying, insert part, flip board, it falls off, repeat ad inf
2013-05-03T04:35:53 < ds2> SMT - tack, tack, solder solder... done.
2013-05-03T04:37:24 < dongs> GargantuaSauce: very little
2013-05-03T04:37:32 < dongs> i have a ~99% success rate on prototypes
2013-05-03T04:37:56 < dongs> fail shit is generally really dumb stuff that was due to not reading datasheets and i stopped doinmg that long time ago
2013-05-03T04:38:31 < GargantuaSauce> maybe i need to stop being a pussy and pirate eagle then
2013-05-03T04:38:47 < dongs> lol eagle.
2013-05-03T04:38:53 < gxti> if you're going to pirate something, pirate altium
2013-05-03T04:38:54 < dongs> eagle is like half the reason opensores shit is broken
2013-05-03T04:38:59 < dongs> ^ what he said
2013-05-03T04:39:05 < GargantuaSauce> ok altium then
2013-05-03T04:39:12 < ds2> Eagle is fine.
2013-05-03T04:39:15 < GargantuaSauce> i just chose one that was not kicad off the top of my head
2013-05-03T04:39:17 < ds2> Altium blows chunks
2013-05-03T04:39:24 < dongs> lol?
2013-05-03T04:39:27 < gxti> no comment
2013-05-03T04:39:53 < gxti> if you want something that you have a chance of affording later on, diptrace seems to be it
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2013-05-03T04:58:50 < upgrdman> dongs: how much did your pnp setup cost?
2013-05-03T04:59:09 < dongs> you cant afford it
2013-05-03T04:59:21 < upgrdman> five figures, huh?
2013-05-03T05:01:12 < dongs> yea
2013-05-03T05:01:18 < upgrdman> :(
2013-05-03T05:01:57 < upgrdman> actually what i could use more than a pnp is a pcb manuf setup complete the silk and plated vias
2013-05-03T05:02:13 < upgrdman> would probably make my bedroom look like a meth lab
2013-05-03T05:02:14 < gnomad> dongs: what do you use for PCB design?
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2013-05-03T05:03:00 < dongs> dicktrace :(
2013-05-03T05:03:14 < dongs> my pal already switched to altium, i need to do that asap
2013-05-03T05:03:42 < gnomad> legit copy or pirate?
2013-05-03T05:03:56 < dongs> dicktrace? legit. paid for full ver
2013-05-03T05:04:07 < dongs> altium? until they stop bundling shit i never use, i wont pay for it
2013-05-03T05:04:09 < gnomad> I was refering to altium.
2013-05-03T05:04:14 < dongs> i.e. i could pay up to 2k for it for schema+pcb
2013-05-03T05:04:21 < dongs> I dont wanna pay 5k for spice, fpga compiler, and other trash
2013-05-03T05:05:19 < gnomad> i've been using eagle... drives me effin nuts.
2013-05-03T05:06:05 < inca> gnomad: is it still 4x the clicks to do anything?
2013-05-03T05:06:09 < dongs> give dicktrace a try you wont touch eagle ever
2013-05-03T05:06:35 < inca> dongs: dicktrace?
2013-05-03T05:06:48 < dongs> < gxti> if you want something that you have a chance of affording later on, diptrace seems to be it
2013-05-03T05:06:51 < dongs> ^ that
2013-05-03T05:06:52 < gnomad> diptrace.
2013-05-03T05:06:54 < baird> Japanese for diptrace.
2013-05-03T05:07:56 < inca> wow… cross platform an all that
2013-05-03T05:09:22 < gnomad> it is only cross-platform because it runs under Wine
2013-05-03T05:09:25 < upgrdman> 300 pins. i wonder if i will ever need more than 300
2013-05-03T05:09:42 < upgrdman> might have to try it out
2013-05-03T05:10:02 < dongs> yeah, they should really stop using delphi and redo the UI in QT
2013-05-03T05:10:04 < upgrdman> geda is nice but sometimes i get annoyed
2013-05-03T05:10:04 < dongs> but whatever
2013-05-03T05:10:13 < dongs> shit works better than anything else out there in this price range
2013-05-03T05:11:04 < englishman> five figures?? that's it?
2013-05-03T05:11:54 < englishman> i thought they were 100,000++
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2013-05-03T07:34:58 < dongs> TCP0030Tektronix TCP0030 120 MHz TekVPI 30 Ampere AC/DC current probe Discontinued$100,000,000.00
2013-05-03T07:35:02 < dongs> cool probe
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2013-05-03T07:54:59 < upgrdman> real price??
2013-05-03T07:55:11 < dongs> absolutely
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2013-05-03T07:55:24 < dongs> delivered by private jet anywhere in the world in less than 3 hours
2013-05-03T07:55:27 < upgrdman> wtf is it is expensive
2013-05-03T07:56:24 < R2COM> is the jet escorted by fighter jets
2013-05-03T07:57:00 < talsit> dongs: link or bullshit
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2013-05-03T09:05:35 < R2COM> heh I probably should have added Selae 16 chan. analyzer to previous equipment order batch... ehh
2013-05-03T09:05:40 < R2COM> just to play with it
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2013-05-03T09:38:35 < dongs> that thing sucks
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2013-05-03T09:39:08 < jpa-> how does it suck?
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2013-05-03T09:41:37 < englishman> buy the $10 clone from aliexpress and find out for yourself how useless it is
2013-05-03T09:42:24 < talsit> i have the logic8, and i've found it immensly useful
2013-05-03T09:43:08 < dongs> yea as long as youre doing anything < 1mhz
2013-05-03T09:43:14 < dongs> or dont midn software thats total shit
2013-05-03T09:43:15 < dongs> then sure!
2013-05-03T09:43:16 < dongs> its great
2013-05-03T09:43:22 < talsit> i found it ok for 8MHz
2013-05-03T09:43:37 < talsit> dongs: what's a "good" LA?
2013-05-03T09:44:20 < jpa-> should be good up to some 10MHz if you don't need all the channels
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2013-05-03T10:09:29 < R2COM> for very high speed you would need special probes anyhow, you wont expect too much from that selae shit
2013-05-03T10:09:42 < R2COM> mainly for low speed spi and other type debugging
2013-05-03T10:15:08 < dongs> lolspeed
2013-05-03T10:16:14 < zyp> dongs, so, what's shit about the software?
2013-05-03T10:16:33 < dongs> zyp, its completely garbage
2013-05-03T10:16:48 < zyp> because it doesn't require windows?
2013-05-03T10:17:13 < gnomad> Aren't there some super-cheap saelae clone boards?
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2013-05-03T10:29:15 < R2COM> lol http://www.aliexpress.com/item/Free-Shipping-200M-32Channel-Logic-Analyzer-Openbench-Logic-Sniffer-1-1-clone-Open-Source-FPGA-XINLIX/768092581.html
2013-05-03T10:29:33 < dongs> lol fucking garbage
2013-05-03T10:29:42 < dongs> i see 3 problems
2013-05-03T10:29:49 < dongs> 1) pic 2) no sram 3) opensauce
2013-05-03T10:30:06 < R2COM> drop #1, its not problem if used properly
2013-05-03T10:31:17 < qyx_> drop #2 as they mention in there
2013-05-03T10:31:49 < R2COM> hmm so they sample it with Xilinx... err
2013-05-03T10:32:10 < qyx_> probably, i was also wondering
2013-05-03T10:32:22 < R2COM> problem might be that there is no buffer, unless that voltage converter on right of board acts as buffer
2013-05-03T10:32:49 < qyx_> 16 buffered, 5volt tolerant channels
2013-05-03T10:34:16 < R2COM> dong how about this one http://www.home.agilent.com/en/pd-1970950-pn-U4154A/4-gb-s-axie-based-logic-analyzer-module?nid=-33306.974119.00&cc=US&lc=eng&cmpid=zzfindu4154a
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2013-05-03T10:35:32 < R2COM> i mean dongs
2013-05-03T10:37:34 < R2COM> but for that one, special connectors have to exist on DUT
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2013-05-03T10:37:43 < R2COM> to match it to its cable set.
2013-05-03T10:38:42 < R2COM> sleep time
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2013-05-03T11:39:29 < Thorn> dongs business model revealed http://xkcd.com/1207/
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2013-05-03T12:12:47 < dongs> so uh is there a USABLE F103 bootloader that isnt full of aids
2013-05-03T12:17:43 < dongs> looks like shit from dsonano might be rippable
2013-05-03T12:17:51 < talsit> dongs : http://www.blaicher.com/2012/05/chibios-based-stm32-bootloader-example/
2013-05-03T12:17:58 < dongs> haha chibios
2013-05-03T12:18:08 < talsit> you love it
2013-05-03T12:18:20 < dongs> no thanks right away because
2013-05-03T12:18:25 < dongs> 1) makefeiles 2) c hibios
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2013-05-03T12:18:46 < dongs> .. from sd card
2013-05-03T12:18:47 < dongs> useless
2013-05-03T12:19:06 < zyp> dfu?
2013-05-03T12:19:22 < talsit> unless your only interface to it is either SD card or morsecode through a button
2013-05-03T12:19:28 < talsit> i would prefer SD
2013-05-03T12:20:48 < sterna2> morsecode :)
2013-05-03T12:21:18 < sterna2> I've thought about a bootloader using only VCC
2013-05-03T12:22:18 < sterna2> if you have a microcontroller that can measure it's own supply voltage using adc you can have some device that feeds bits by changing the supply voltage
2013-05-03T12:23:09 < sterna2> so, say you have a device running at 3V and makes it interpret a voltage over 3.3V as a 1 and below 2.7V as 0
2013-05-03T12:23:19 < sterna2> then you need no extra pins
2013-05-03T12:23:33 < talsit> but you will need to be able to bypass your vreg
2013-05-03T12:23:53 < zyp> a two-pin microcontroller sounds pretty useless though
2013-05-03T12:23:56 < sterna2> if you use one
2013-05-03T12:24:16 < zyp> except NFC stuff
2013-05-03T12:24:20 < sterna2> I've made projects without a voltage regulator
2013-05-03T12:24:32 < zyp> because what you just described is kinda how passive NFC stuff works
2013-05-03T12:24:39 < sterna2> yep
2013-05-03T12:24:52 < sterna2> you could probably make a bootloader with it, which would be fun
2013-05-03T12:25:14 < bairdy> There was an epic military tiger-team security hack done back in the 1970s that uses deliberate system load frobbing (of the winchester drives?) to morse out an illicit communications channel via the power grid. :)
2013-05-03T12:25:16 < zyp> you have a strange definition of fun
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2013-05-03T12:25:50 < sterna2> bairdy: isn't that like what McGyver did in the pilot episode
2013-05-03T12:26:04 < sterna2> he blinked the lights in morse to signal that he was alive
2013-05-03T12:26:10 -!- _BJFreeman is now known as BJFreeman
2013-05-03T12:26:36 < sterna2> right after he sealed a tank with some nasty chemical (like sulfuric acid or something like that) using chocolate
2013-05-03T12:26:43 < bairdy> I didn't watch that show because it didn't have intelligent cars. :P :)
2013-05-03T12:27:42 < sterna2> I've only watched like 2 episodes
2013-05-03T12:29:52 < bairdy> If they brought back Automan, that would be scarey. "But Walter; the Internet is for Porn."
2013-05-03T12:31:47 < bairdy> "What did you do, Automan?" "I uploaded the rotten.com archives to her smartphone."
2013-05-03T12:36:25 < dongs> zyp: or wahtever, something usb + working
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2013-05-03T13:38:32 < dongs> is there a intrinsic for msr msp
2013-05-03T13:39:59 < dongs> __set_MSP looks like
2013-05-03T13:40:00 < dongs> k
2013-05-03T13:42:08 < dongs> o shit
2013-05-03T13:42:14 < dongs> 4.0.0 of fs-usb lib
2013-05-03T13:42:19 < dongs> has a nice dfu bootloader sample
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2013-05-03T15:14:06 < dongs> EXTI_Line18 is always usb wake up?
2013-05-03T15:44:44 < dongs> cool, got bootlolder working from St sample
2013-05-03T15:45:18 < Laurenceb> DFU?
2013-05-03T15:45:21 < dongs> y
2013-05-03T15:45:25 < Laurenceb> eww
2013-05-03T15:45:31 < dongs> fuck off
2013-05-03T15:45:35 < dongs> this has to work for dumb people
2013-05-03T15:45:40 < Laurenceb> its some horrible extentions and stuff
2013-05-03T15:45:45 < dongs> pfft???
2013-05-03T15:45:49 < Laurenceb> having said that it runs with mokoboot
2013-05-03T15:45:55 < Laurenceb> so it cant be that bad
2013-05-03T15:45:56 < dongs> i dont even know/care what that is
2013-05-03T15:45:59 < dongs> wehre's ST's DFU shit
2013-05-03T15:46:11 < dongs> is that teh dfuse
2013-05-03T15:46:20 < Laurenceb> its not cross platform is it?
2013-05-03T15:46:27 < dongs> lol i dont give a fuck
2013-05-03T15:46:29 < dongs> my platform = windows
2013-05-03T15:46:30 < Laurenceb> lolz
2013-05-03T15:46:41 < Laurenceb> it worked with mokoboot for me
2013-05-03T15:46:47 < Laurenceb> so i guess i can't complain
2013-05-03T15:47:54 < dongs> holy fuck ST site sucks
2013-05-03T15:48:08 < Laurenceb> why is this news
2013-05-03T15:48:29  * Laurenceb uses mass storage bootloader
2013-05-03T15:48:43 < Laurenceb> for n00b proofing
2013-05-03T15:48:45 < dongs> STSW-STM32080DfuSe USB device firmware upgrade STMicroelectronics extension: contains the demo GUI, debugging GUI, all sources files and the protocol layer
2013-05-03T15:48:49 < dongs> found
2013-05-03T15:48:58 < dongs> mass stoRAGE on usb?
2013-05-03T15:49:02 < Laurenceb> yes
2013-05-03T15:49:07 < Laurenceb> lolwat GUI?!
2013-05-03T15:49:17 < Laurenceb> mokoboot ftw
2013-05-03T15:49:33 < dongs> are you talking actual bootloader or some garbage you integrated into your app thats full of aids
2013-05-03T15:49:45 < Laurenceb> lolz
2013-05-03T15:49:50 < Laurenceb> its a bootloader i wrote
2013-05-03T15:49:59 < Laurenceb> but it needs a micro SD card to run
2013-05-03T15:50:21 < Laurenceb> copy and paste the binary onto it and reboot
2013-05-03T15:50:22 < dongs> useless
2013-05-03T15:50:39 < Laurenceb> no usefull, end users can actually use it
2013-05-03T15:59:29 -!- bairdy [~cjb@ppp121-44-205-216.lns20.syd7.internode.on.net] has quit [Quit: Konversation terminated!]
2013-05-03T16:02:59 < Laurenceb> http://media.tumblr.com/a327fcb22a2c5bffdedd79fdb89406f2/tumblr_inline_mlav1iY3xt1qz4rgp.jpg
2013-05-03T16:05:44 < Laurenceb> http://media.tumblr.com/af6ef07c966e2754184b6e56e64e6b24/tumblr_inline_mkn8eu4WFC1qz4rgp.jpg
2013-05-03T16:05:49 < Laurenceb> its a new meme
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2013-05-03T16:23:57 < dongs> k lets see if my other shit works with it
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2013-05-03T16:35:57 < qyx_> O_o 150ps comparator, 30€/1
2013-05-03T16:41:34 < gxti> k
2013-05-03T16:42:08 < dongs> ugh
2013-05-03T16:42:08 < dongs> wtf.
2013-05-03T16:43:33 < gxti> i ended up adapting that bootloader into a TFTP (networked) one, not that there was much original code left by the time i finished
2013-05-03T16:43:47 < dongs> haha tftp
2013-05-03T16:43:57 < dongs> hmm, dfuse crap goes through all the motions of working
2013-05-03T16:43:59 < dongs> but nothing happens
2013-05-03T16:44:01 < dongs> da fauq
2013-05-03T16:44:02 < gxti> it gets the job done, i guess
2013-05-03T16:44:19 < gxti> a web thing would e nice but i'm lazy and that takes up program memory i could use for actual stuff
2013-05-03T16:44:22 < dongs> do i need to enable clock to flash peripherals?
2013-05-03T16:44:39 < dongs> seems silly
2013-05-03T16:44:52 < dongs> RCC_AHBPeriph_FLITF ??
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2013-05-03T16:46:03 < dongs> hmm
2013-05-03T16:47:18 < dongs> time to blink leds
2013-05-03T16:47:19 < dongs> lol
2013-05-03T16:50:19 < Laurenceb> i hope they are blue
2013-05-03T16:50:28 < dongs> its rgb.
2013-05-03T16:52:34 < zyp> dongs, yes, FLITF need to be enabled
2013-05-03T16:52:59 < dongs> zyp: the comment in the shit seems to imply otherwise
2013-05-03T16:53:04 < dongs> 'only if flash device is in power down state'
2013-05-03T16:53:13 < dongs> i'd imagine when running from flash it should be powered up no?
2013-05-03T16:54:08 < gxti> my bootloader does not mention FLITF
2013-05-03T16:54:10 < dongs> fuck yeah it did work
2013-05-03T16:54:16 < dongs> i had wrong logic on upgrade button shit
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2013-05-03T16:54:20 < dongs> it was always going to bootloader cause of that
2013-05-03T16:54:31 < dongs> woot
2013-05-03T16:55:04 < Laurenceb> quadraspazzed
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2013-05-03T17:51:42 < dongs> wassup with no  chats??
2013-05-03T17:53:50 < Laurenceb> http://www.medphys.ucl.ac.uk/~jem/images/icon.jpg
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2013-05-03T17:57:04 < Laurenceb> not at freaky
2013-05-03T17:59:47 < Laurenceb> +all
2013-05-03T18:00:03 < Laurenceb> i want that on my desk
2013-05-03T18:06:55 < zyp> not surprised
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2013-05-03T18:13:04 < dongs> zyp, any progress with backlight stuff?
2013-05-03T18:13:07 < dongs> is it failing/working?
2013-05-03T18:13:25 < dongs> <zyp> was too busy installing lunix
2013-05-03T18:13:56 < zyp> it's working
2013-05-03T18:14:00 < dongs> oh nice
2013-05-03T18:14:21 < zyp> but I already mentioned that
2013-05-03T18:14:23 < dongs> doing same shit I did? or something diff
2013-05-03T18:14:26 < dongs> no you didnt
2013-05-03T18:14:31 < dongs> you said  you could read chip ID
2013-05-03T18:14:39 < zyp> I just forgot to set I2C pins to OD
2013-05-03T18:14:43 < dongs> right
2013-05-03T18:15:25 < dongs> but i mean did you get it to backlight properly?
2013-05-03T18:16:12 < zyp> I get it to light up and can adjust brightness
2013-05-03T18:16:18 < zyp> I haven't tested more than that yet
2013-05-03T18:17:43 < dongs> col
2013-05-03T18:17:45 < dongs> cool
2013-05-03T18:18:56 < capacitor> hello all microcontrollers
2013-05-03T18:22:41 < dongs> < capacitor> hello all microcontrollers
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2013-05-03T18:27:54 -!- Robint91 [~Robin@dD5776E9E.access.telenet.be] has joined ##stm32
2013-05-03T18:28:15 < Robint91> hi all
2013-05-03T18:31:12 < capacitor> welcome Robint91
2013-05-03T18:36:11 < dongs> zyp, something about quads can only be < 60gram in norgay confirm/deny
2013-05-03T18:36:30 < zyp> no idea
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2013-05-03T18:49:10 < Laurenceb> http://n-prize.com/forum/viewtopic.php?f=34&t=372
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2013-05-03T18:51:27 < Laurenceb> its soo baaaddd
2013-05-03T18:51:38 < capacitor> i don't quite follow
2013-05-03T18:51:47 < Laurenceb> monroe == dongs
2013-05-03T18:52:59 < capacitor> so he's some loon high off drugs ranting on?
2013-05-03T18:53:13 < Laurenceb> looks like it
2013-05-03T18:53:33 < Laurenceb> http://n-prize.com/forum/viewforum.php?f=34&sid=a45bed80bda08cf11e1178ed8c6ea31a
2013-05-03T18:53:34 < dongs> dead forum?
2013-05-03T18:53:50 < capacitor> too bad for the rocket then.... whatever the hell he's on about...
2013-05-03T18:55:01 < Laurenceb> these guys are so high
2013-05-03T18:55:03 < Laurenceb> http://www.nebula-aerospace.com/
2013-05-03T18:55:52 < capacitor> i saw a picture of bathroom scales and a hammer...
2013-05-03T18:56:20 < Laurenceb> cuz thats how you launch into space
2013-05-03T18:56:27 < capacitor> clearly
2013-05-03T18:57:37 < capacitor> hmmm
2013-05-03T18:57:51 < Laurenceb> http://www.youtube.com/watch?v=LydYQdaYwHA&feature=player_detailpage#t=37s
2013-05-03T18:57:53 < Laurenceb> hahahaha
2013-05-03T18:57:57 < Laurenceb> truly epic lolz
2013-05-03T18:58:02 < capacitor> well thanks for sharing that i probably can't post any of my regular sites here
2013-05-03T18:58:20 < Laurenceb> O_o
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2013-05-03T18:59:06 < Laurenceb> xhamster.com?
2013-05-03T18:59:08 < dongs> http://www.digikey.com/product-detail/en/VLF3010AT-2R2M1R0/445-3215-1-ND/1132856 god damn this shit is expensive
2013-05-03T18:59:38 < capacitor> gotta love the $40 postage for $2.00 worth of parts too, a real winner
2013-05-03T19:00:02 < Laurenceb> http://www.youtube.com/watch?v=LydYQdaYwHA&feature=player_detailpage#t=218s
2013-05-03T19:00:16 < Laurenceb> lolz unmitigated fail all the way through
2013-05-03T19:00:42 < dongs> r0fl
2013-05-03T19:00:42 < capacitor> yeah they should have tried something easier like the stm32
2013-05-03T19:00:53 < Laurenceb> or jumping off a cliff
2013-05-03T19:01:00 < capacitor> either will do
2013-05-03T19:01:08 < capacitor> the stm32 is rewarding
2013-05-03T19:01:15 < dongs> fucking digikey down
2013-05-03T19:01:32 < Laurenceb> that guy jumping off a cliff is rewarding for the rest of us
2013-05-03T19:01:58 < capacitor> lol
2013-05-03T19:02:31 < Laurenceb> http://n-prize.com/forum/viewtopic.php?f=65&t=355
2013-05-03T19:02:33 < Laurenceb> i lolled
2013-05-03T19:03:04 < capacitor> i have no idea
2013-05-03T19:03:34 < Laurenceb> amateur space launch challenge
2013-05-03T19:03:55 < Laurenceb> which turned into epic fail about 2008 and has been getting worse ever since
2013-05-03T19:04:32 < capacitor> i figured it was something like that
2013-05-03T19:05:08 < Laurenceb> if you make a project too hard only nutters will be attracted and it will go downhill from that point
2013-05-03T19:05:42 < capacitor> yeah well i know for sure I wouldn't bother with that
2013-05-03T19:05:53 < capacitor> I'm happy making the stm32 project
2013-05-03T19:05:55 < Laurenceb> its doable
2013-05-03T19:06:14 < Laurenceb> using commercial high power motors from ATK and good composite skillz
2013-05-03T19:06:23 < capacitor> i might play around with the ADC soon
2013-05-03T19:06:29 < Laurenceb> but no-one on there has a clue
2013-05-03T19:06:52 < capacitor> sounds like a win
2013-05-03T19:07:46 < Laurenceb> obviously you have to move to Nevada or somewhere to have a chance of organising something like that without paperwork hell
2013-05-03T19:08:29 < capacitor> yeah
2013-05-03T19:08:40 < capacitor> i think they'd call the cops if i built a rocket in my back yard
2013-05-03T19:09:53 < Laurenceb> even those nutters are sane enough to do it in the desert
2013-05-03T19:10:20 < capacitor> the ADC is fun
2013-05-03T19:10:46 < Laurenceb> " rocket propellant out of wood pencil sharpener shavings soaked in a saturated solution of KNO3 that were then packed and dried."
2013-05-03T19:10:49 < Laurenceb> epic lol
2013-05-03T19:11:13 < capacitor> so thats how you make a rocket?
2013-05-03T19:11:36 < Laurenceb> thats how that guy made a smoky band in the desert.. yes
2013-05-03T19:11:41 < Laurenceb> *bang
2013-05-03T19:12:05 < capacitor> so like
2013-05-03T19:12:13 < capacitor> what should we do about this?
2013-05-03T19:12:50 < capacitor> "Dear DIY Rocket community. I think you are stupid. From Capacitor"
2013-05-03T19:12:57 < Laurenceb> lol
2013-05-03T19:13:07 < Laurenceb> arduino kind of proves that
2013-05-03T19:13:20 < capacitor> Oooooh this changes everything
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2013-05-03T19:13:35 < capacitor> so it will run off an arduino ey
2013-05-03T19:13:53 < Laurenceb> yeah they are using ardupilot
2013-05-03T19:14:08 < capacitor> rofl okay I don't even yeah . . mmm
2013-05-03T19:15:34 < capacitor> looks pretty cool
2013-05-03T19:15:44 < dongs> k ordered up parts for 27 more jewpad thingies
2013-05-03T19:15:48 < dongs> time to  dickstart and go in production
2013-05-03T19:15:56 < zyp> :p
2013-05-03T19:17:09 < capacitor> im going to make ardupilot cat
2013-05-03T19:17:26 < capacitor> i wonder if it can navigate to my friends house
2013-05-03T19:18:00 < Laurenceb> cat?
2013-05-03T19:18:07 < Laurenceb> brain augmentation?
2013-05-03T19:18:12 < capacitor> why not hey
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2013-05-03T19:18:33 < capacitor> you could wire up some type of electric stimulation to get him to move about
2013-05-03T19:19:18 < Laurenceb> then attach kitty suicide vest and send to PETA
2013-05-03T19:19:52 < Laurenceb> http://theartofthomfoolery.blogspot.co.uk/2009_05_01_archive.html
2013-05-03T19:19:58 < Laurenceb> why did i know this would exist
2013-05-03T19:20:51 < Robint91> wut
2013-05-03T19:21:02 < Robint91> LWIP and FreeRTOS are running on my F4
2013-05-03T19:22:15 < zyp> I've been dicking around with lwip at work recently
2013-05-03T19:22:21 < zyp> can't really say I like it
2013-05-03T19:22:32 < capacitor> nice little smasher
2013-05-03T19:23:15 < Robint91> zyp, yeah, I'm not fond of it also
2013-05-03T19:23:15 < karlp> got any alternatives zyp?
2013-05-03T19:23:25 < zyp> not really
2013-05-03T19:24:25 < karlp> what are the problems with it anyway?
2013-05-03T19:25:11 < zyp> I don't like how netconn_recv() just gives me a buffer of data with some size, without allowing me to choose how much of it I want to consume
2013-05-03T19:26:04 < zyp> so if it's giving me more data than I'm currently ready to handle, I have to keep the netbuf pointer around until I'm ready to handle more data
2013-05-03T19:26:55 < zyp> http://lwip.wikia.com/wiki/Receiving_data_with_LWIP
2013-05-03T19:27:05 < Robint91> damm it is slow
2013-05-03T19:27:07 < Robint91> pff
2013-05-03T19:27:48 < zyp> though, to be honest I've only worked with the netconn api, since that's what the rest of the stuff I'm working with is already using
2013-05-03T19:30:44 < Robint91> takes 3s to load 9.7KB
2013-05-03T19:30:45 < zyp> also, the callback API is silly
2013-05-03T19:30:46 < Robint91> pff
2013-05-03T19:31:33 < zyp> there is no decent way to supply an argument to the callback registered to a netconn object
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2013-05-03T19:32:08 < zyp> like a pointer to the parent object owning the netconn
2013-05-03T19:33:46 < zyp> there is however an integer in the socket object that will hold the socket number if you use the socket api, since it's built on top of the netconn stuff
2013-05-03T19:34:03 < Robint91> zyp, I'm using the socket stuff
2013-05-03T19:34:07 < zyp> since I'm not using the socket api, that field is free, so I'm abusing it to hold my pointer
2013-05-03T19:34:21 < zyp> how do you like it?
2013-05-03T19:34:21 < Robint91> which is kinda nice, but OH SO SLOW
2013-05-03T19:34:31 < zyp> yeah
2013-05-03T19:34:44 < zyp> I looked through the implementation, it didn't seem very efficient
2013-05-03T19:34:52 < capacitor> better chuck it then
2013-05-03T19:35:02 < Tectu> morning
2013-05-03T19:35:59 < Robint91> zyp, what performance do you get?
2013-05-03T19:36:16 < zyp> no idea, haven't measured
2013-05-03T19:36:17 < Robint91> I'm only around a few kiB/s
2013-05-03T19:36:30 < Robint91> for a full blown F4
2013-05-03T19:37:13 < zyp> I think people were talking about the http server being able to serve files at 300 kB/s or so
2013-05-03T19:37:40 < Robint91> okay
2013-05-03T19:37:46 < Robint91> for got to enable the PLL
2013-05-03T19:37:49 < Robint91> WTF
2013-05-03T19:37:56 < Robint91> *forgot
2013-05-03T19:38:04 < zyp> huh?
2013-05-03T19:38:17 < zyp> how do you even get ethernet working then :p
2013-05-03T19:38:23 < Robint91> EXACTLY
2013-05-03T19:38:24 < Robint91> WTF
2013-05-03T19:38:47 < zyp> oh, I guess RMII is clocked by the phy, so it's independent
2013-05-03T19:38:59 < Robint91> zyp, but isn't ethernet clocked by the phy?
2013-05-03T19:39:14 < zyp> that's what I just said
2013-05-03T19:39:20 < zyp> well, it depends on your setup
2013-05-03T19:39:33 < zyp> on my waveshare board, RMII is clocked by the PHY board
2013-05-03T19:39:51 < Robint91> ZE POWAH OF DA PLL
2013-05-03T19:39:56 < Robint91> wut
2013-05-03T19:40:53 < Robint91> it's fast
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2013-05-03T19:55:19 < karlp> did that fix your lwip too?
2013-05-03T19:56:20 < Robint91> yeah
2013-05-03T19:56:39 < Robint91> the ST is running 8MHz which is kinda slow
2013-05-03T19:56:46 < Robint91> moving to 168MHz changes a lot
2013-05-03T19:58:54 < Laurenceb> what are you uploading to?
2013-05-03T19:59:12 < Robint91> ?
2013-05-03T20:00:10 < Laurenceb> oh i thought you were using ftp
2013-05-03T20:00:40 < Robint91> http
2013-05-03T20:03:20 < Laurenceb> http://www.thebestpageintheuniverse.net/c.cgi?u=segway_more_complicated_than_it_needs_to_be
2013-05-03T20:03:22 < Laurenceb> lol
2013-05-03T20:03:36 < Laurenceb> "superfluous bullshit like high-voltage field-effect transistors or FETs"
2013-05-03T20:03:38 < Laurenceb> fail
2013-05-03T20:04:29 < Robint91> "but I guarantee some nerd spent months writing a graduate thesis on why it's important (and failing). " I lolled
2013-05-03T20:09:55 < Laurenceb> meanwhile at troll academy http://media.tumblr.com/7c02512721db7b96a6c12730a001e295/tumblr_inline_mlvgr0LViK1qz4rgp.jpg
2013-05-03T20:13:21 < gxti> so much crap
2013-05-03T20:15:30 < gxti> zyp: i came to the same conclusion, lwip is the most terrible thing except for everything else
2013-05-03T20:16:48 < Robint91> gxti, yeah
2013-05-03T20:17:06 < Robint91> why isn't there a good and modern embedded tcp/ip stack?
2013-05-03T20:17:09 < gxti> i'm using NO_SYS mode currently because for some reason the latency was too high due to chibios shenanigans
2013-05-03T20:17:20 < gxti> qyx_ was getting much better results using the same stack, who knows why
2013-05-03T20:17:37 < gxti> doesn't bother me since my app is just udp stuff
2013-05-03T20:17:44 < gxti> easy to work into the main lwip loop
2013-05-03T20:21:11 < gxti> at some point i need to see if contiki is any use, probably not. it has the possibility of solving both my "i hate modified GPL" problem and my lwip problem at once but i bet it's crap
2013-05-03T20:22:32 < qyx_> gxti: btw, why you use vcxo to adjust freq precisely to 10MHz?
2013-05-03T20:23:18 < gxti> because it works. fwiw rev 5 doesn't do that anymore.
2013-05-03T20:23:42 < gxti> you can use it as a crude gpsdo but i don't really want to go down that road right now
2013-05-03T20:24:02 < qyx_> some time ago when i was about to do the same (ntp server) i just wanted to connect 1pps to input capture channel on some timer
2013-05-03T20:24:16 < qyx_> to measure how many ticks is in 1 second
2013-05-03T20:24:17 < gxti> it's just soft pll vs hard pll
2013-05-03T20:24:26 < gxti> the control loop is the same
2013-05-03T20:24:45 < gxti> soft pll is probably better at soft stuff, although both are well below the noise floor of ntp
2013-05-03T20:24:59 < qyx_> thats true
2013-05-03T20:25:35 < gxti> one small advantage is that there's almost no math when answering the ntp query, because it just reads the counter and multiplies by a fixed scalar to get into ntp format
2013-05-03T20:26:57 < gxti> i seriously doubt that's going to have any actual effect on performance though
2013-05-03T20:28:04 < gxti> but yeah, latest rev i just used a $2 txco. about the same cost as the vcxo was, but i don't need analog stuff to drive it, and it will have much better immunity to ambient temperature and not rely on GPS to correct for it
2013-05-03T20:41:02 < karlp> gxti: contiki is where lwip came from, so don't expect anything different there
2013-05-03T20:41:26 < gxti> true, but it's probably integrated better than the sample chibios bindings
2013-05-03T20:41:36 < karlp> well, yeah, one would hope :)
2013-05-03T20:41:46 < gxti> you never know. the stakes are a lot lower :p
2013-05-03T20:41:57 < karlp> not an awful lot of ethernet in contiki though, mostly targetting radios
2013-05-03T20:42:34 < karlp> but if you're interested.... https://github.com/karlp/contiki-outoftree
2013-05-03T20:42:36 < gxti> it's possible that even contiki's IP stack sucks eggs and it's the non-IP stuff that's "Awesome"
2013-05-03T20:42:59 < karlp> a lot of it stills seems to be academia
2013-05-03T20:43:02  * karlp shrugs
2013-05-03T20:43:09 < karlp> if you want full networking, you install linux
2013-05-03T20:43:37 < karlp> if you're running on mains, I don't see any reason not to
2013-05-03T20:43:44 < gxti> yeah but this thing already costs twice what a derpberry pi does and it's just a f107 :|
2013-05-03T20:44:11 < karlp> this yoru ntp thing?
2013-05-03T20:44:17 < gxti> yes
2013-05-03T20:45:08 < Tectu> http://chibios-gfx.com/blog/108-version-1-6-released
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2013-05-03T21:54:33 < Ranewen> evening
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2013-05-03T22:01:25 < R2COM> soo
2013-05-03T22:01:33 < R2COM> messing with some SPI memory chip with stm32
2013-05-03T22:02:00 < R2COM> stm32 configured as SPI master, and I just wanted to send some command to that memory chip, command was RDID (just read ID of chip)
2013-05-03T22:02:20 < R2COM> it didnt work, although the timing measured on pins of memory chip looked right on scope
2013-05-03T22:02:43 < R2COM> its like, byte has to be sent to memory chip, right after it has to respond with a byte containing Manufacturer ID
2013-05-03T22:03:25 < R2COM> later once I rechecked everything, and tried again.. (made sure that CS pulled low appropriately) I kind of noticed that my SCK stops from STM32 right after sending a request byte!
2013-05-03T22:03:36 < R2COM> and I was like ...ah that must be a reason
2013-05-03T22:04:00 < R2COM> so I put in additional command for send request (to keep SCK toggling)
2013-05-03T22:04:11 < R2COM> and then it worked, memory chip responded with its Manufacturer ID.
2013-05-03T22:04:36 < R2COM> so question is, what is the way to make STM32 keep toggling SCK?
2013-05-03T22:04:50 < R2COM> (unless I really want to stop transmission for example)
2013-05-03T22:08:37 < R2COM> http://i.imgur.com/IN302fE.jpg
2013-05-03T22:08:38 < Erlkoenig> since any SPI module *always* needs to transmit something if the clock is clocking, you need to transmit something (even if its 0 or 0xFF or whatever a NOP looks to the Chip)
2013-05-03T22:08:47 < R2COM> see that diagram
2013-05-03T22:08:51 < R2COM> top is SCK
2013-05-03T22:08:59 < R2COM> bottom is signal coming from memory chip
2013-05-03T22:09:19 < R2COM> signal which I send to memory chip is not shown, but it occurs when SCK is toggling
2013-05-03T22:09:28 < Erlkoenig> during the first 8 toggles?
2013-05-03T22:09:41 < R2COM> it can be seen that: there is one byte transmission first, in which I send request for ID command to Memory chip
2013-05-03T22:09:52 < R2COM> then after that some pause, then I send some dummy byte
2013-05-03T22:10:03 < R2COM> (in my case just another memory request actually)
2013-05-03T22:10:18 < R2COM> and only then as you see memory chip responds with 0xC2 (which is its correct ID)
2013-05-03T22:10:32 < Erlkoenig> thats the point with SPI.. you can't "just send" or "just receive" - you ALWAYS have to receive AND send, so you always have to send at least a dummy byte or next command to receive something
2013-05-03T22:11:04 < R2COM> hmmm but I remember on another chip longer time before I did it different way...
2013-05-03T22:11:16 < R2COM> just cant recall...but I remember I did not have to mess with dummy stuff..
2013-05-03T22:11:17 < R2COM> hmmmm
2013-05-03T22:11:36 < Erlkoenig> some chips do 16bit-Transfers, where you send your command during the first 8 clock pulses, and the chip responds during the next 8 pulses
2013-05-03T22:12:00 < Erlkoenig> and the thing you sent during the last 8 pulses is ignored, and the the other chip just sends 0 or 0xFF during the first 8 pulses
2013-05-03T22:12:41 < Erlkoenig> or perhaps equivalent with 8bit-Transfers and 4bit-Command & 4bit-Reply
2013-05-03T22:13:14 < R2COM> so looks like this memory chip with stm32 wants just SCK to be toggling always
2013-05-03T22:13:19 < R2COM> in order to respond
2013-05-03T22:13:47 < Erlkoenig> not always, it probably needs 8 clock cycles to answer
2013-05-03T22:14:02 < Erlkoenig> and you can send a command or a dummy byte ("NOP") during those 8 cycles
2013-05-03T22:17:08 < R2COM> hmmm
2013-05-03T22:17:34 < R2COM> if I were to implement it with cpld or fpga, I bet I could just keep toggling sck and not send nop and it should work
2013-05-03T22:17:44 < Erlkoenig> no it wouldn't work
2013-05-03T22:17:56 < R2COM> because it *needs* something on its DATA IN pin?
2013-05-03T22:17:56 < emeb> just send null data - that's what I've always done.
2013-05-03T22:18:05 < Erlkoenig> because after those 8 cycles you would implicitly start a new transfer, so you are transferring 8 new bits
2013-05-03T22:18:07 < R2COM> also.. look at my sdnapshot again
2013-05-03T22:18:13 < R2COM> see there is some discontinuity in SCK
2013-05-03T22:18:21 < R2COM> but Memory chip reacts normally to it
2013-05-03T22:18:23 < emeb> that discontinuity is OK.
2013-05-03T22:18:26 < Erlkoenig> if these 8 bits are by chance not a NOP command the chip does random stuff
2013-05-03T22:18:37 < emeb> because the memory chip doesn't see time between clock edges
2013-05-03T22:18:45 < emeb> it thinks they're contiguous
2013-05-03T22:18:56 < Erlkoenig> yes since SPI must not just output a continuous clock
2013-05-03T22:19:06 < R2COM> hmmm
2013-05-03T22:19:06 < Erlkoenig> SPI only outputs clock pulses if there is data to shift out
2013-05-03T22:19:13 < emeb> ^that
2013-05-03T22:19:23 < R2COM> thats what I see in description yes
2013-05-03T22:19:33 < R2COM> its just well thought some chips react differently then
2013-05-03T22:19:38 < emeb> and the memory chip isn't expecting a command during the time it's been asked to reply, so what you send doesn't matter.
2013-05-03T22:19:39 < Erlkoenig> imagine SPI as 2 connected shift registers. you don't want to clock them continuously because you'd constantly be shifting data
2013-05-03T22:19:42 < R2COM> but this one seems to really want *null* data right after request
2013-05-03T22:19:50 < R2COM> yeah..
2013-05-03T22:20:15 < Erlkoenig> an edge on SCK means "here comes one bit"
2013-05-03T22:20:50 < R2COM> hmm
2013-05-03T22:20:50 < R2COM> but
2013-05-03T22:20:58 < R2COM> my memory chip does not have anything like NOP
2013-05-03T22:21:15 < Erlkoenig> then continue with reading its ID...
2013-05-03T22:21:21 < R2COM> heh
2013-05-03T22:21:33 < R2COM> in fact thats what I did
2013-05-03T22:21:43 < R2COM> on that diagram I posted, i send RDID, then again RDID
2013-05-03T22:21:47 < R2COM> only then it started responding
2013-05-03T22:21:54 < Erlkoenig> so while you send the next command, you will receive the devices ID, and the byte after that will be the response
2013-05-03T22:21:55 < R2COM> its just.. I dont know looks kinda phony to me
2013-05-03T22:21:59 < stephendwyer> what chip is it? datasheet?
2013-05-03T22:22:37 < R2COM> http://www.macronix.com/QuickPlace/hq/PageLibrary4825740B00298A3B.nsf/h_Index/3F21BAC2E121E17848257639003A3146/$File/MX25L25635E,%203V,%20256Mb,%20v1.3.pdf
2013-05-03T22:23:02 < R2COM> Page 53, Figure 12
2013-05-03T22:23:47 < R2COM> I had to send RDID(0x9f) two times one after another to get Manufacturer ID.. any other way (no matter which SPI mode, 0 or 3) did not work
2013-05-03T22:24:04 < Erlkoenig> yes that's how SPI works.
2013-05-03T22:24:05 < R2COM> and it does not have something like: DUmmy NOP command.
2013-05-03T22:24:13 < Erlkoenig> use RDID as NOP...
2013-05-03T22:24:32 < Erlkoenig> but you only need NOP if you don't want to execute any next command
2013-05-03T22:24:45 < Erlkoenig> if you would do RDID and then some other command, just send them right after each other
2013-05-03T22:24:49 < karlp> that's because most of them expect you to  just know that you write 0 to clock something out
2013-05-03T22:24:53 < Erlkoenig> while you transmit that other command, you will receive the ID
2013-05-03T22:24:59 < karlp> loottttttttssssss of spi devices work like this.
2013-05-03T22:25:15 < karlp> write command, keep clocking 0s for the expected response
2013-05-03T22:25:37 < R2COM> yeah
2013-05-03T22:26:02 < R2COM> other than that it all works nicely, its nice chip by the way, can do 80Mhz, and has high capacity
2013-05-03T22:26:17 < R2COM> (although stm32 wont do spi at 80Mhz)
2013-05-03T22:26:23 < karlp> wht do you mean, "other than that" that's normal and usual and not a problem
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2013-05-03T22:26:52 < R2COM> I mean a memory chip and its features
2013-05-03T22:28:17 < R2COM> its a nice chip thats what I wanted to say
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2013-05-03T23:10:30 < Laurenceb_> https://www.sparkfun.com/products/11788
2013-05-03T23:10:36 < Laurenceb_> need photo of it running
2013-05-03T23:11:39 < Laurenceb_> http://www.youtube.com/watch?v=SG8fiff2qB4
2013-05-03T23:11:41 < Laurenceb_> ooh epic
2013-05-03T23:13:10 < sterna1> that was cool
2013-05-03T23:13:23 < sterna1> not very cheap though...
2013-05-03T23:14:05 < R2COM> lol
2013-05-03T23:14:17 < R2COM> you will get a better deal from manufacturer of course
2013-05-03T23:14:18 < Ranewen> il w8 till they add touch
2013-05-03T23:17:42 < Erlkoenig> seems useless
2013-05-03T23:23:59 < sterna1> hmm, you could place one of those in front of another and then shift one just a tiny bit
2013-05-03T23:24:11 < sterna1> and you will double resolution
2013-05-03T23:24:15 < sterna1> :D
2013-05-03T23:24:33 < qyx_> cool
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2013-05-03T23:24:54 < sterna1> yeah, but as Erlkoenig said, seems a little useless
2013-05-03T23:25:16 < sterna1> I really don't see a specific applikation rather than "this looks cool"
2013-05-03T23:25:24 < sterna1> oh, and for google glass
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2013-05-03T23:26:21 < Erlkoenig> maybe HUD-like stuff... adaptive to objects seen behind it
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2013-05-03T23:36:31 < sterna1> anyone has a good knowledge on RS485/422?
2013-05-03T23:36:47 < sterna1> I want to use it to speak uart over a longer cable
2013-05-03T23:37:35 < sterna1> from what I understand, all transceivers has a recieve and a transmit (data) pin
2013-05-03T23:37:43 < sterna1> connected more or less directly to the bus
2013-05-03T23:37:54 < sterna1> such as http://www.mouser.com/ds/2/405/sn75176b-201537.pdf
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2013-05-03T23:38:43 < sterna1> I suppose I cannot just connect RX and TX to data and receive
2013-05-03T23:38:52 < sterna1> and speak normal uart
2013-05-03T23:38:53 < karlp> back up a bit, what?
2013-05-03T23:39:12 < sterna1> ok, restart
2013-05-03T23:39:14 < karlp> 485 is half duplex,
2013-05-03T23:39:23 < karlp> so no, not normally.
2013-05-03T23:39:34 < Erlkoenig> CAN ftw
2013-05-03T23:39:42 < sterna1> meh, not CAN
2013-05-03T23:39:49 < karlp> you _can_ get dual 485 transceivers, so you have an a/b pair for tx and an a/b pair for rx,
2013-05-03T23:39:54 < sterna1> ok
2013-05-03T23:40:26 < sterna1> and how does it differ from 422?
2013-05-03T23:40:31 < karlp> or, depending on your protocol, you use a pin to control the tx-enable/_rx-enable pin(s) if half duplex is ok.
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2013-05-03T23:40:36 < Erlkoenig> CAN has integrated arbitration and priorization
2013-05-03T23:40:43 < karlp> 422 is the same, just point to poitn instead of point to multipoint
2013-05-03T23:41:07 < karlp> can has tiny packets and requries even more hardware.
2013-05-03T23:41:09 < karlp> 485 is pretty nice.
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2013-05-03T23:41:20 < Erlkoenig> CAN just requires a stupid CAN Transceiver
2013-05-03T23:41:23 < Posterdati> hi
2013-05-03T23:41:25 < Robint91> RS644 > RS422
2013-05-03T23:41:33 < sterna1> in this case, CAN is not an issue
2013-05-03T23:41:33 < Erlkoenig> but the packet size is small indeed
2013-05-03T23:41:48 < Laurenceb_> RS485 is nice
2013-05-03T23:41:55 < karlp> Robint91: is 644 lvds ?
2013-05-03T23:42:03 < Robint91> karlp, yes
2013-05-03T23:42:15 < sterna1> it's mostly going to me one master sending to a bunch of slavews
2013-05-03T23:42:21 < karlp> yeah, sure, but it's really only any help if you want to go mcuh higher speeds.
2013-05-03T23:42:45 < Robint91> karlp, or longer lenghts
2013-05-03T23:42:47 < sterna1> return data is not 100% needed
2013-05-03T23:42:54 < karlp> Robint91: how long are you talking about?
2013-05-03T23:42:59 < sterna1> and speed is not important either
2013-05-03T23:43:07 < Robint91> sterna1, how long?
2013-05-03T23:43:17 < Robint91> sterna1, what speeds?
2013-05-03T23:43:22 < Ranewen> how many devices ?
2013-05-03T23:43:48 < sterna1> it's going to be to for a large 7-segment display
2013-05-03T23:43:51 < ds2> isn't current loop beter?
2013-05-03T23:43:59 < karlp> fuck that
2013-05-03T23:44:02 < sterna1> no
2013-05-03T23:44:05 < sterna1> not current loop
2013-05-03T23:44:08 < ds2> why?
2013-05-03T23:44:12 < sterna1> distance, a couple of meters
2013-05-03T23:44:16 < Robint91> current loops are like 666
2013-05-03T23:44:32 < ds2> thought they were very noise resistant?
2013-05-03T23:44:39 < ds2> never used it, just heard about them
2013-05-03T23:44:40 < karlp> so is rs485/644/422
2013-05-03T23:44:45 < sterna1> yes, but that noise resistance is not needed
2013-05-03T23:44:52 < ds2> oh
2013-05-03T23:44:56 < karlp> any of the diff pair stuff will be mor enoise resistance
2013-05-03T23:45:05 < sterna1> or, at least not the level of noise resistance that a current loop would give
2013-05-03T23:45:05 < ds2> really?
2013-05-03T23:45:26 < sterna1> and it should also be easy to hook up additional units
2013-05-03T23:45:45 < sterna1> as for the number of units, less than 10-15 units
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2013-05-03T23:46:07 < karlp> so you really want, a) multidrop, b) x meters, c) 5-30 units, d)57600 baud or so?
2013-05-03T23:46:11 < Ranewen> w8 i can look my table
2013-05-03T23:46:42 < sterna1> karlp: multidrop, not familiar with that terminology
2013-05-03T23:46:49 < sterna1> but the other, sure
2013-05-03T23:47:04 < karlp> point-to-multipoint vs point2point
2013-05-03T23:47:14 < sterna1> more like point-to-multipoint
2013-05-03T23:47:30 < karlp> right, rs485 will b ejust fine then.
2013-05-03T23:47:48 < sterna1> I mean, clock shift registers works most of the times
2013-05-03T23:47:50 < karlp> st has app notes on togglign to the tx-enable pins too.
2013-05-03T23:47:57 < sterna1> but sometimes it get's really weird errors
2013-05-03T23:48:22 < Robint91> sterna1, why not implement a higherlayer like DMX512?
2013-05-03T23:48:34 < Robint91> sterna1, or do you need feedback?
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2013-05-03T23:48:47 < Ranewen> sorry im 2 lazy to get my notebook with protocols ;P, but i agree with rs485
2013-05-03T23:48:54 < sterna1> feedback is not nececassry
2013-05-03T23:49:26 < sterna1> but, I thought about using a bus system I've used before, where the message passes through all nodes
2013-05-03T23:50:02 < sterna1> so, tx from master is connected to rx on the first slave, tx from the first slave is connected to rx on the second and so on until the last slave connects it's tx back to the masters rx
2013-05-03T23:50:22 < qyx_> huh?
2013-05-03T23:50:39 < sterna1> and when you send a message, you have an adress contained within the data packet which each slave node decreases and passes on
2013-05-03T23:50:45 < karlp> you can do that
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2013-05-03T23:50:49 < karlp> but htat' s no trs485
2013-05-03T23:50:51 < karlp> that's token ring
2013-05-03T23:50:56 < karlp> well....
2013-05-03T23:50:57 < karlp> sorry,
2013-05-03T23:51:00 < karlp> let me back up.
2013-05-03T23:51:10 < sterna1> well, not entirely token ring, right?
2013-05-03T23:51:11 < karlp> rs485 is very low level,
2013-05-03T23:51:22 < karlp> it doesn't define how you talk
2013-05-03T23:51:38 < karlp> but it's only half duplex unless you use a transceiver and a diff pair for rx as well as tx
2013-05-03T23:51:39 < sterna1> yeah, RS485 is only the hardware layer, in contrary to what many people beleive
2013-05-03T23:52:04 < sterna1> well, you can always put two transceievers on each board
2013-05-03T23:52:10 < karlp> that's what I mean
2013-05-03T23:52:16 < karlp> but then you also need 4 wires between them
2013-05-03T23:52:21 < karlp> but that does give you full duplex
2013-05-03T23:52:51 < sterna1> actually, between each node I only need 2 signal cables
2013-05-03T23:53:02 < karlp> the way it's often used you just have a master that sends, all devices see it, and then one device replies
2013-05-03T23:53:06 < sterna1> but then I need to get the return signal back to the master
2013-05-03T23:53:09 < karlp> and that's defined by higher protocols
2013-05-03T23:53:13 < karlp> modbus et al
2013-05-03T23:53:28 < sterna1> yeah, and those are nice protocols
2013-05-03T23:53:29 < karlp> you need 4 signal cables if you want to have full duplex :)
2013-05-03T23:53:31 < Laurenceb_> its used for quite a few servos
2013-05-03T23:53:50 < sterna1> one master to keep evertyhing in order
2013-05-03T23:55:17 < Posterdati> hi
2013-05-03T23:55:25 < sterna1> so, when using an rs485 transceiver ( such as http://www.mouser.com/ds/2/405/sn75176b-201537.pdf) I can leave the R-pin disconnected on the ones that are only going transmit?
2013-05-03T23:55:54 < karlp> well, yeah,
2013-05-03T23:56:11 < karlp> but if they're nly ever going to transmit, how are htye going to know when they can?
2013-05-03T23:56:52 < Posterdati> I'm trying to use the hid demo for stm32f107 (joystick), but I need the stm32f107 to read the usb buffer using something like USBD_HID_SendReport
2013-05-03T23:56:58 < Posterdati> any hints
2013-05-03T23:58:24 < sterna1> karlp: either I'm not going to use an actual bus
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2013-05-03T23:58:32 < sterna1> or, not a bus per se
2013-05-03T23:58:55 < sterna1> since communication will only ever be between nodes
2013-05-03T23:59:20 < sterna1> where one node always txes and one node only rxes on this specific peice of cable
2013-05-03T23:59:29 < sterna1> that's one way to do it
2013-05-03T23:59:48 < karlp> how are you planning on wiring this?
2013-05-03T23:59:50 < karlp> I don't follow
--- Day changed Sat May 04 2013
2013-05-04T00:00:15 < sterna1> let's see if I can make some ascii art
2013-05-04T00:00:27 < Erlkoenig> 8===D
2013-05-04T00:00:29 < karlp> do you want to have node A being a master for node B, and node B being a master for node C
2013-05-04T00:00:35 < karlp> or some rcazy scheme like that?
2013-05-04T00:00:45 < Ranewen> ( ))====D
2013-05-04T00:01:24 < Ranewen> mine is more powerfull Erlkoenig
2013-05-04T00:01:55 < Erlkoenig> yours seems single core
2013-05-04T00:01:58 < sterna1> karlp: [master tx]------[rx slave1 tx]------[rx slave2 tx]----[rx... ----[rx slave n tx]--->back to master rx
2013-05-04T00:02:10 < sterna1> something like that
2013-05-04T00:02:24 < karlp> fwiw, that sounds insane.
2013-05-04T00:02:40 < sterna1> it's actually quite convinient
2013-05-04T00:02:45 < Erlkoenig> sounds like daisy chain
2013-05-04T00:02:47 < Erlkoenig> SPI like
2013-05-04T00:02:51 < sterna1> yes, daisy chain
2013-05-04T00:02:59 < sterna1> that's the word I was lloking for not
2013-05-04T00:03:03 < karlp> you'll have the same amount of wiring with a regular common 485 bus
2013-05-04T00:03:07 < sterna1> but SPI is not daisy chain?
2013-05-04T00:03:16 < Erlkoenig> SPI can be used as Daisy chain
2013-05-04T00:03:29 < sterna1> every protocol can be daisy chained
2013-05-04T00:03:31 < karlp> without the hassle of only being able to talk to a neighbour
2013-05-04T00:04:05 < sterna1> a friend of mine used it for the ultrasonic sensors he buil
2013-05-04T00:04:06 < sterna1> t
2013-05-04T00:04:11 < sterna1> it's actually really nice
2013-05-04T00:04:21 < sterna1> all sensor can have the exact same code
2013-05-04T00:04:46 < karlp> normally you have master tx-/rx -> 485 transceiver, slave tx/rx to 485 transceiver,  A/B lines on the 485 bus all wired in a line.
2013-05-04T00:05:01 < sterna1> yes, that's what you normally do
2013-05-04T00:05:05 < karlp> everyone can talk to everyone, everyone can listen to everyone, and you use a higher level protocl to share it
2013-05-04T00:05:26 < karlp> I don't really quite understand why you want to try and cross wire things to be neighbour to neighbour only
2013-05-04T00:05:30 < karlp> but, dinner time!
2013-05-04T00:05:36 < sterna1> no bus collisions
2013-05-04T00:05:53 < karlp> if you only want do neighbour got neighbour, just do straight uart between them.
2013-05-04T00:05:55 < karlp> or rs422
2013-05-04T00:06:00 < karlp> you're not in multidrop then.
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2013-05-04T00:06:09 < sterna1> yeah, RS422 I could probably use
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2013-05-04T00:06:25 < sterna1> but from what I understand it's almost the same
2013-05-04T00:06:44 < Erlkoenig> google image search "daisy chain", 1st pic: actual daisy chain, 2nd: something with electronics
2013-05-04T00:07:06 < sterna1> aaw
2013-05-04T00:07:38 < sterna1> and further down a couple of guys in suits while one of them is shaving :S
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2013-05-04T00:08:32 < sterna1> daisy chain project apparently...
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2013-05-04T00:17:00 < sterna1> well, I'll probably use daisy chained rs422
2013-05-04T00:17:33 < sterna1> or only half duplex rs485
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2013-05-04T00:17:49 < sterna1> I'll talk to the other people here
2013-05-04T00:19:00 < zyp> about what?
2013-05-04T00:19:14 < sterna1> about what protcol to use
2013-05-04T00:19:39 < sterna1> not "here" as in in this channel, but rather the other people involved in this project
2013-05-04T00:20:11 < zyp> sorry for butting into the conversation, I just came in and haven't read up about it
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2013-05-04T00:21:21 < Erlkoenig> "butting"? :D
2013-05-04T00:21:28 < Erlkoenig> has that something to do with butts?
2013-05-04T00:21:32 < zyp> ass first, you know
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2013-05-04T00:21:56 < Erlkoenig> is that oxford english? :D
2013-05-04T00:22:11 < Laurenceb_> i was thinking daisy chain would be something involving butting
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2013-05-04T00:22:16 < Laurenceb_> knowing the internets
2013-05-04T00:22:16 < zyp> don't ask me, I'm norwegian
2013-05-04T00:22:40 < Erlkoenig> hmmm butts
2013-05-04T00:22:59 < Erlkoenig> i know a very round soft butt
2013-05-04T00:23:04 < zyp> 22:41:07 < karlp> can has tiny packets and requries even more hardware.
2013-05-04T00:23:04 < zyp> 22:41:09 < karlp> 485 is pretty nice.
2013-05-04T00:23:30 < zyp> karlp, that's pretty irrelevant if you already are using a mcu with a can controller
2013-05-04T00:23:49 < zyp> a can phy is not very different from a 485 phy
2013-05-04T00:23:52 < qyx_> speaking of interfaces
2013-05-04T00:24:23 < zyp> you could probably run can signalling over 485 physical layer
2013-05-04T00:24:26 < qyx_> could i somehow make stm32 eth work in half duplex mode in 100mbps?
2013-05-04T00:24:42 < qyx_> i mean using only 1 pair
2013-05-04T00:24:46 < zyp> but the tiny packets thing is a fair argument
2013-05-04T00:25:15 < zyp> qyx_, no
2013-05-04T00:25:26 < Erlkoenig> those tiny packets are designed for realtime data for many nodes in any direction
2013-05-04T00:25:40 < zyp> qyx_, or wait, I might be misinterpreting you
2013-05-04T00:25:59 < qyx_> zyp: why? if loopback is possible and you turn off all that autonegotiation features
2013-05-04T00:26:12 < zyp> I'm sorry
2013-05-04T00:26:13 < qyx_> just connect tx+ to rx+, tx- to rx-
2013-05-04T00:26:20 < qyx_> and all devices togetner then
2013-05-04T00:27:01 < zyp> what I meant is that RMII always has dedicated send and receive lines, but you can of course configure the phy to half duplex
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2013-05-04T00:27:29 < qyx_> yep, mii/rmii has, but i mean using standard eth phy
2013-05-04T00:27:49 < qyx_> like on 10baseT
2013-05-04T00:27:51 < zyp> that should be fine
2013-05-04T00:28:21 <+Steffanx> i wonder why you want to do that qyx_
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2013-05-04T00:28:59 < zyp> qyx_, you can also configure it to 10 Mb/s if you want to
2013-05-04T00:29:05 < qyx_> Steffanx: to have cheap fast interconnect between multiple mcu's
2013-05-04T00:29:17 < qyx_> on differential line
2013-05-04T00:29:53 < zyp> for short distances you can actually run RMII directly
2013-05-04T00:29:54 < qyx_> usb might also work if it has some kind of raw mode
2013-05-04T00:30:08 < zyp> raw?
2013-05-04T00:30:25 < qyx_> without host/device roles
2013-05-04T00:30:37 < zyp> no
2013-05-04T00:30:43 < qyx_> with some kind of addressing on tom of that
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2013-05-04T00:32:27 < zyp> usb has no way to support multi-master, it's based on having the host scheduling every transfer on the bus
2013-05-04T00:32:39 < zyp> so devices don't talk unless asked to
2013-05-04T00:32:43 < qyx_> thats why i sai raw
2013-05-04T00:32:45 < qyx_> said
2013-05-04T00:32:53 < zyp> raw how?
2013-05-04T00:33:12 < qyx_> just using the phy somehow
2013-05-04T00:33:25 < qyx_> without higher level stuff
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2013-05-04T00:34:30 < zyp> you can use the phy and mac, but drop all the standard control commands if you want to
2013-05-04T00:34:51 < zyp> you would still have host/device roles, but you wouldn't have to enumerate the device, just hardcode for it
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2013-05-04T00:38:51 < zyp> usb transfers are pretty raw as they are already, you just have all the descriptor stuff to tell the host what everythings mean
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2013-05-04T01:02:12 < qyx_> hm, stm has some fancy usart modes which can be used for that purpose instead
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2013-05-04T01:12:58 < karlp> zyp: sure, if you have a can phy, it might be worth using, but it does still hav etiny packets.
2013-05-04T01:14:16 < karlp> yeah, like you said,
2013-05-04T01:14:21 < karlp> more scrollback whee
2013-05-04T01:17:07 < karlp> it is still good and rightful that music Can is above bosch Can on ze googles
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2013-05-04T01:17:56 < Erlkoenig> i think CAN as in Controller Area Network is only on the 1st google page if google knows you :D
2013-05-04T01:18:17 < zyp> 22:41:07 < karlp> can has tiny packets and requries even more hardware.
2013-05-04T01:18:18 < zyp> 22:41:09 < karlp> 485 is pretty nice.
2013-05-04T01:18:26 < zyp> oops
2013-05-04T01:18:38 <+Steffanx> lol
2013-05-04T01:18:39 < zyp> didn't mean to paste that again
2013-05-04T01:19:07 < karlp> heh, ti has bought ad words for stm32 to advertise msp430
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2013-05-04T01:19:36 < zyp> http://en.wikipedia.org/wiki/CAN_bus is fourth google hit for «can» here
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2013-05-04T01:19:57 < Erlkoenig> for me 2nd hit... probs because i googled CAN stuff a lot ^^
2013-05-04T01:20:11 < zyp> top two hits are norwegian
2013-05-04T01:20:21 < zyp> and third is «Can (band)»
2013-05-04T01:20:44 < Erlkoenig> 4th is CiA, 10 Bosch webpage
2013-05-04T01:20:57 < zyp> CiA is 7th here
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2013-05-04T01:21:27 <+Steffanx> Conclusion: results are mainly location/language based?
2013-05-04T01:21:37 < Erlkoenig> and profile based...
2013-05-04T01:21:42 < karlp> http://palmtree.beeroclock.net/~karlp/20130502-google--ti-adwords-stm32.png
2013-05-04T01:21:58 < karlp> Erlkoenig: true, but I'm not actually logged in at the moment
2013-05-04T01:22:02 < Erlkoenig> lulz...
2013-05-04T01:22:05 < Erlkoenig> erm
2013-05-04T01:22:12 < Erlkoenig> as if googled only tracked you when logged in
2013-05-04T01:22:35 < Erlkoenig> they track everyone everywhere all the time whether they have an account or not
2013-05-04T01:23:26 < Erlkoenig> Banana Product = Mellows at the client
2013-05-04T01:23:36 < karlp> huh, as for can, looks like almost all the stm32's _except_ the ones I regularly use have can.
2013-05-04T01:23:38 -!- Steffanx [~Steffanx@unaffiliated/steffanx] has quit [Quit: ….]
2013-05-04T01:23:43 < karlp> no wonder I wasn't as familiar with it
2013-05-04T01:24:01 < zyp> karlp, it's pretty widespread
2013-05-04T01:24:03 < zyp> :p
2013-05-04T01:24:10 < karlp> still only tiny packets
2013-05-04T01:24:15 < zyp> sure
2013-05-04T01:24:47 < Erlkoenig> but priorization and arbitration
2013-05-04T01:24:47 < zyp> but for a binary protocol, 8 bytes of payload may be more than enough
2013-05-04T01:24:48 < karlp> rs485 tranceiver + f100 is still cheaper than f103 :)
2013-05-04T01:24:56 < karlp> indeed.
2013-05-04T01:25:21 < karlp> however, both can and regular rs485 are not what sterna was trying to do with neighbour to neighbour stuff
2013-05-04T01:25:31 < zyp> karlp, what about lpc11cxx?
2013-05-04T01:25:38 < karlp> no idea :)
2013-05-04T01:25:41 < karlp> this is ##stm32 :)
2013-05-04T01:25:41 < zyp> they have internal phy
2013-05-04T01:26:00 < karlp> I don't hate can, I just haven't used it, and I use rs485 :)
2013-05-04T01:26:02 -!- ds2 [noinf@netblock-66-245-251-24.dslextreme.com] has quit [Ping timeout: 272 seconds]
2013-05-04T01:26:37 < zyp> hmm, $3 on digikey
2013-05-04T01:28:17 < qyx_> i am just looking on some lvds serdes-es
2013-05-04T01:28:50 < Laurenceb_> http://thebestpageintheuniverse.net/c.cgi?u=youre_not_a_nerd
2013-05-04T01:28:55 < Laurenceb_> thats just genius
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2013-05-04T01:35:16 < Erlkoenig> Laurenceb_: nice but that stuff about nerd sexiness is stupid whining
2013-05-04T01:36:20 < gxti> more crap
2013-05-04T01:36:51 < Erlkoenig> i was called the nerd prototype :3
2013-05-04T01:37:57 < Laurenceb_> http://www.thebestpageintheuniverse.net/images/math_rules2.jpg
2013-05-04T01:38:07 -!- _BJFreeman is now known as BJFreeman
2013-05-04T01:38:59 < Erlkoenig> but "nobody needs math"
2013-05-04T01:40:36 < karlp> Laurenceb_: I thought you were a better internet fiend than this.  maddox is, as dongs would say, OLD
2013-05-04T01:41:37 < Laurenceb_> yeah i know
2013-05-04T01:41:43 < Laurenceb_> we used to read him at school
2013-05-04T01:41:51 < Laurenceb_> like when i was 12 :P
2013-05-04T01:42:46 -!- inca [~inca@cpe-173-88-167-240.neo.res.rr.com] has joined ##stm32
2013-05-04T01:45:25 < Laurenceb_> when ebaums world and ogrish.com was where it was at
2013-05-04T01:45:48 -!- Nutter [Nutter@199-195-151-246.dyn.novuscom.net] has quit [Ping timeout: 264 seconds]
2013-05-04T01:45:51 < Laurenceb_> along with rotten and totse
2013-05-04T01:46:15 < gxti> and yet you still post
2013-05-04T01:49:03 < bairdy> alt.tasteless 4 lyfe
2013-05-04T01:52:50 -!- PT_Dreamer [~quassel@a95-93-151-152.cpe.netcabo.pt] has quit [Ping timeout: 255 seconds]
2013-05-04T01:55:22 < R2COM> hmm so LIN is almost like CAN but does not require licensing
2013-05-04T01:56:06 < Erlkoenig> CAN requires licensing? o.O
2013-05-04T01:56:13 < R2COM> I think so
2013-05-04T01:56:20 < gxti> yes but it's paid for when you buy chips with builtin CAN periphs
2013-05-04T01:56:21 < Erlkoenig> my CAN implementation works without licensing :D
2013-05-04T01:56:27 < Laurenceb_> hehe
2013-05-04T01:56:42 < R2COM> Erlkoenig: you will go to guantanamo soon
2013-05-04T01:56:54 < gxti> omg a terrorisms
2013-05-04T01:57:11 < Erlkoenig> no, the americas don't have power everywhere
2013-05-04T01:57:27 < R2COM> depends on whom
2013-05-04T01:57:44 < R2COM> you dont owe s-400 or similar, so you cant say that
2013-05-04T01:57:52 < Laurenceb_> stealth chopper arriving soon
2013-05-04T01:58:09 < Erlkoenig> *grabs rocket launcher*
2013-05-04T01:58:15 < R2COM> haha
2013-05-04T01:58:17 < R2COM> which rocket launcher
2013-05-04T01:58:24 < Erlkoenig> the one below my desk
2013-05-04T01:58:33 < R2COM> that wouldnt do it
2013-05-04T01:58:40 < Laurenceb_> ewww
2013-05-04T01:58:53  * Laurenceb_ passes cleanex
2013-05-04T01:58:57 < Erlkoenig> http://www.tfportal.de/gfx/content/tf2/classes/soldier.gif
2013-05-04T01:59:19 < R2COM> you look weird on that photo
2013-05-04T02:00:46 < Erlkoenig> local radio has new jingles... disturbing
2013-05-04T02:01:12 -!- englishman [~englishma@96.127.225.175] has quit [Ping timeout: 252 seconds]
2013-05-04T02:03:08 < Laurenceb_> http://www.st.com/st-web-ui/static/active/en/resource/technical/document/data_brief/DM00053484.pdf
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2013-05-04T02:03:19 < Laurenceb_> ^i thought it was meant to support SDRAM?
2013-05-04T02:05:52 < Laurenceb_> on 29 or 39
2013-05-04T02:05:56 < Laurenceb_> *on
2013-05-04T02:06:03 < Laurenceb_> arg *oh
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2013-05-04T02:06:53 < Laurenceb_> and lol its not stocked
2013-05-04T02:07:34 < emeb> didn't think those were out yet.
2013-05-04T02:08:08 < Laurenceb_> yeah looks like it, annoying
2013-05-04T02:08:24 < emeb> they were only announced about 2-3 mo ago.
2013-05-04T02:11:27 < karlp> Erlkoenig: your "can implementation" is it the transceiver or just something that uses can?
2013-05-04T02:11:46 < Erlkoenig> uh just a C++ access library to F3,4's CAN Module
2013-05-04T02:12:05 < karlp> so the licensing was paid by ST already
2013-05-04T02:12:12 < Erlkoenig> hm possibly
2013-05-04T02:12:15 < karlp> yes.
2013-05-04T02:12:18 < R2COM> but
2013-05-04T02:12:29 < R2COM> isnt it something like usb
2013-05-04T02:12:36 < R2COM> or no maybe because there you dont need ID
2013-05-04T02:12:38 < Erlkoenig> luckily it's... "oben"
2013-05-04T02:12:41 < Erlkoenig> *open
2013-05-04T02:12:55 < Erlkoenig> CANopen is even nicer... pay 400€ just for the specs, buuut "open"
2013-05-04T02:13:19 < Erlkoenig> luckily the uni library has it...
2013-05-04T02:13:54 < gxti> USB does the same thing, they just also charge you to get an ID.
2013-05-04T02:14:19 < Erlkoenig> at least the docs are publicly available
2013-05-04T02:14:32 < Erlkoenig> or enough docs to use it
2013-05-04T02:15:02 < gxti> if you are using STM32 you don't have to worry about it because you're already paying for the licensing as part of the cost of the chip
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2013-05-04T02:15:20 < gxti> of course you don't have to worry about it at all unless you're moving enough product to get someone's attention ;p
2013-05-04T02:15:46 < Erlkoenig> i'd rather be worried to NOT pay them :D
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2013-05-04T02:16:06 < Erlkoenig> stupid patent crap
2013-05-04T02:16:13 < bairdy> Possibly some gotcha when shipping products over a limit? Microchip have a 10,000 unit thing.
2013-05-04T02:16:54 < bairdy> Something about their USB licencing requiring more $
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2013-05-04T02:33:29 < R2COM> hmm nice
2013-05-04T02:34:35 < R2COM> also whast the main difference between F40xx and F41xx series chips? Looking at datasheets of both they seem same
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2013-05-04T02:36:27 < Laurenceb_> check st table thingy
2013-05-04T02:37:31 < R2COM> oh St has some rad. hard. ADcs.. heh
2013-05-04T02:37:45 < R2COM> made with 0.25um cmos
2013-05-04T02:39:07 < R2COM> I still dont find direct difference table there between f40 and f41
2013-05-04T02:40:44 < R2COM> still looks same
2013-05-04T02:53:45 < Laurenceb_> microexplorer tiem
2013-05-04T02:56:26 < Laurenceb_> wtf
2013-05-04T03:00:37 < Laurenceb_> The STM32F417 also integrates a crypto/hash processor providing hardware acceleration for AES 128, 192, 256, Triple DES, and hash (MD5, SHA-1), in addition to the analog true random number generator featured on all STM32F4 devices.
2013-05-04T03:00:50 < Laurenceb_> there you go, encription export stuff
2013-05-04T03:00:57 < Laurenceb_> i cant spell
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2013-05-04T03:27:59 < R2COM> hmm
2013-05-04T03:28:21 < dongs> Shipping Method:        Standard (Shipping Charge US $ 44.28)  Priority (Shipping Charge US $ 34.41)
2013-05-04T03:28:24 < R2COM> so if one decides to do aes256 it should help then if it has hw acceleration
2013-05-04T03:28:25 < dongs> ???
2013-05-04T03:28:26 < dongs> lol @ feescale.
2013-05-04T03:28:52 < emeb> rectal/cranial inversion
2013-05-04T03:28:53 -!- Erlkoenig [~erlkoenig@pptp-212-201-76-2.pptp.stw-bonn.de] has quit [Quit: Leaving.]
2013-05-04T03:29:07 < dongs> though i love them cuz their online store does paypal
2013-05-04T03:29:10 < dongs> just bought another tray of thier accels
2013-05-04T03:29:30 < dongs> so the shipping doesnt actually matter
2013-05-04T03:29:38 < emeb> place 2 orders, choose different shipping for each, see which is faster.
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2013-05-04T03:38:02 < Tectu> can I use SWD with openOCD?
2013-05-04T03:39:44 -!- fxd0h [~fx@186.123.133.73] has quit [Ping timeout: 256 seconds]
2013-05-04T03:46:49 < inca> ntfreak: ping… ^^
2013-05-04T03:47:10 < karlp> no need to ping ntfreak.
2013-05-04T03:47:45 < karlp> tectu needs to ask a better question, but reading between the lines, yes, you can use oocd with stlink hardware quite happily
2013-05-04T03:48:27 < inca> karlp: wouldn't it be nice if that were documented somewhere reasonably indexible
2013-05-04T03:49:20 < Tectu> karlp, I'm a bit confused by the boot modes again...   "user flash memory", "system memory", "embedded sram"
2013-05-04T03:49:35 < Tectu> user flash memory is like "no programming at all, just boot always the pre-programmed thing" ?
2013-05-04T03:49:53 < karlp> inca: yeah, any complaints abotu openocd docs are, "loko, it's here http:/asdfasdlfjkasdlafsd somethiere that isn't l inked from anywhere/asdfasdfasdfads"
2013-05-04T03:50:15 < karlp> then followed by "submit a pull request via gerrit with your improvements and quit complaining"
2013-05-04T03:50:27 < karlp> however, it works far more reliably for me than texane/stlink these days,
2013-05-04T03:50:53 < karlp> Tectu: I'm not really sure how that relates to "can I use swd with openocd" was it meant to be a follow up?
2013-05-04T03:51:22 < gxti> karlp: to be fair, Tectu doesn't seem to know how to read
2013-05-04T03:52:10 < Tectu> what the hell is happening?
2013-05-04T03:52:24 < Tectu> I am confused by the silk screen of this olimex board
2013-05-04T03:52:34 < Tectu> and I don't know which of these modes I want :P   --- >"user flash memory", "system memory", "embedded sram"
2013-05-04T03:52:47 < gxti> process of elimination Tectu
2013-05-04T03:52:54 < Tectu> so if anyone would be kind enough to explain me the differences in short words, I'd be thankful
2013-05-04T03:53:02 < inca> karlp: word… texane just broke for me
2013-05-04T03:53:12 < inca> reverting back
2013-05-04T03:53:40 < inca> but stuff… might get OOCD up and rolling, if just for the possibility of using IDA as my main debugger
2013-05-04T03:54:41 < karlp> Tectu: user flash memory, what you flash; system-> burnt int rom bootloader; sram->sram (normally not what you want)
2013-05-04T03:54:57 < karlp> booting sram is for trickery
2013-05-04T03:55:20 < Tectu> karlp, so user flash memory is the thing where you connect your jtag, type 'load' in your gdb, then do 'run'   then reset halt, load another, run etc?
2013-05-04T03:55:47 < karlp> weeeellll, depending on how you linked your elf, "load" in gdb might actually load it to sram :)
2013-05-04T03:55:54 < karlp> but yes, generally.
2013-05-04T03:56:08 < gxti> if you have jtag just leave it in user mode
2013-05-04T03:56:11 < Tectu> thanks for being partly helpful :P
2013-05-04T03:56:22 < Tectu> okay, maybe I better go with describing my problem
2013-05-04T03:57:46 < Tectu> I have an Olimex-STM32-P407 board... that thing has so much peripherals onboard, JTAG does not really work. What works is if I set the boot pins to "System Memory", press the reset button, load the image, set the boot mode back to "user flash memory", press reset and see if it works.
2013-05-04T03:58:17 < Tectu> when I use the run command of gdb in the "system memory" mode, it does not start the program since it seems to be on a different address or what ever
2013-05-04T03:59:59 < gxti> what does your program do?
2013-05-04T04:00:08 < gxti> does it sleep or disable the jtag port?
2013-05-04T04:00:20 < Tectu> it blinks an LED
2013-05-04T04:00:22 < Tectu> nothing more
2013-05-04T04:00:44 < Tectu> I cannot connect to the whole thing in the "User Flash Memory" mode.
2013-05-04T04:00:50 < Tectu> OpenOCD cannot connect
2013-05-04T04:00:52 < Tectu> tries to poll
2013-05-04T04:00:54 < Tectu> of course no chance
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2013-05-04T04:04:27 < Tectu> any particular idea?
2013-05-04T04:06:10 < gxti> does it work if you boot to sram?
2013-05-04T04:09:11 < Tectu> gxti, yes. OpenOCD connects and I can load an image. run seems however not to work
2013-05-04T04:09:58 < gxti> well yeah
2013-05-04T04:10:19 < gxti> if you set it to not boot from flash then it won't run the stuff you write to flash
2013-05-04T04:11:03 < Tectu> stm32f4x.cpu -- clearing lockup after double fault
2013-05-04T04:11:03 < Tectu> 0xd0f74546 in ?? ()
2013-05-04T04:11:17 < Tectu> can I somehow workaround this so I can run from sram? ;-)
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2013-05-04T04:11:40 < gxti> change your linker script to load at top of ram instead of flash
2013-05-04T04:12:09 < Tectu> may you tell me how?
2013-05-04T04:12:13 < Tectu> I know nothing about linkerscripts
2013-05-04T04:12:22 < gxti> never done it
2013-05-04T04:15:12 < Tectu> anyone else? :P
2013-05-04T04:15:23 < gxti> google
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2013-05-04T04:34:10 < inca> https://github.com/obe1line/stlink-trace
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2013-05-04T05:52:30 < R2COM> there is only 1 person on #atmel channel
2013-05-04T05:52:30 < R2COM> lol
2013-05-04T05:52:34 < R2COM> haha
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2013-05-04T05:56:37 < talsit> are you sure it's not supposed to be the ##atmel channel instead?
2013-05-04T05:57:46 < R2COM> that one has 0 people
2013-05-04T05:59:15 < talsit> ###?
2013-05-04T05:59:18 < talsit> :p
2013-05-04T05:59:34 < R2COM> 0
2013-05-04T05:59:36 < R2COM> :D
2013-05-04T06:06:36 < talsit> i used to use avr32
2013-05-04T06:06:48 < R2COM> I used PIC32
2013-05-04T06:06:56 < R2COM> and pic16f84 longer time ago
2013-05-04T06:06:58 < talsit> UC3L
2013-05-04T06:07:11 < talsit> but the dragon programmer was ... interesting
2013-05-04T06:07:36 < talsit> and the atmel studio ... yeah, not very convincing in terms of stability
2013-05-04T06:08:16 < talsit> i could only jtag in the evenings ;)
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2013-05-04T06:27:20 < R2COM> talsit: you from japan?
2013-05-04T06:27:59 < talsit> i'm in japan
2013-05-04T06:28:13 < R2COM> from where?
2013-05-04T06:28:27 < talsit> spanish born, lived most of my life in australia
2013-05-04T06:28:33 < talsit> so... i'm from earth?
2013-05-04T06:28:43 < R2COM> nice, earth is good place
2013-05-04T06:30:01 < talsit> yeah, it's kinda nice
2013-05-04T06:30:14 < talsit> though, i am biased, i haven't tried other places yet
2013-05-04T06:30:51 < talsit> anyway, why japan?
2013-05-04T06:30:57 < talsit> and... how did you know?
2013-05-04T06:31:10 < R2COM> its just seems to be lots of people here from there
2013-05-04T06:31:13 < R2COM> or I might be wrong
2013-05-04T06:31:33 < talsit> really? i'd love to meet more people doing these things in osaka
2013-05-04T06:31:53 < dongs> luckily i hate people
2013-05-04T06:32:10 < R2COM> me too
2013-05-04T06:32:17 < R2COM> sometimes
2013-05-04T06:32:28 < dongs> hah
2013-05-04T06:32:29 < talsit> i just hate you guys, that's all
2013-05-04T06:32:34 < dongs> digikey fucked me over on ~20 coils
2013-05-04T06:32:45 < dongs> < dongs> http://www.digikey.com/product-detail/en/VLF3010AT-2R2M1R0/445-3215-1-ND/1132856 god damn this shit is expensive
2013-05-04T06:32:58 < dongs> 'due to inventory discrepancy, we ran out and only sent you 38 of them
2013-05-04T06:33:06 < R2COM> last my 1300$ order from digikey included 25 more components than I ordered, and I did not pay for them, it was like 80$ win...
2013-05-04T06:33:10 < dongs> i wonder if it had anything to do wiht the fact that when I ordered 4 of htem last time I got like 10
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2013-05-04T06:33:23 < dongs> but were they useful ones?
2013-05-04T06:33:29 < R2COM> what?
2013-05-04T06:33:33 < R2COM> those were Rf amplifiers
2013-05-04T06:33:35 < dongs> the extra components
2013-05-04T06:33:46 < dongs> did they just give you more shit of waht you ordered, or someone elses shit?
2013-05-04T06:33:47 < R2COM> the extra components were the ones I ordered
2013-05-04T06:33:50 < dongs> ah
2013-05-04T06:33:56 < dongs> good times
2013-05-04T06:34:02 < dongs> same happend with those coils last time i ordered
2013-05-04T06:34:21 < R2COM> its like: I ordered 30 amplifiers, they send me them in a pack, and I found another pack of same components in quantity of 25, but invoice did not include them
2013-05-04T06:34:31 < talsit> once from mouser, they sent me the wrong connectors, the right series, just ones slightly different
2013-05-04T06:34:43 < talsit> and i tell them, and they send me the wrong ones again
2013-05-04T06:34:52 < talsit> it was like that 3 times
2013-05-04T06:35:08 < talsit> i even drew diagrams explaining what was wrong, to links to harwin website and all
2013-05-04T06:35:21 < talsit> and i asked them from the start to not send me anything
2013-05-04T06:35:35 < talsit> but i ended up with 4 times the connectors
2013-05-04T06:35:45 < talsit> and THEN they tried to send me a bill for them all
2013-05-04T06:36:01 < dongs> digikey is really nice with returning shit
2013-05-04T06:36:12 < dongs> i had this crazy idea to make a usb3.0 hub myself so I ordered a bunch of parts for it
2013-05-04T06:36:20 < dongs> then I found a 13 port usb3/2 hub for liek $20
2013-05-04T06:36:28 < dongs> and i was like not worth wasting time making my own
2013-05-04T06:36:41 < dongs> so I shipped all the shit back, it was like ~$40 worth of stuff
2013-05-04T06:36:41 < talsit> i just wish that digikey's japanese website was also in english
2013-05-04T06:37:02 < dongs> pfft
2013-05-04T06:37:04 < dongs> lrn2read
2013-05-04T06:37:10 < talsit> dongs: i am
2013-05-04T06:37:19 < R2COM> learn samurai language
2013-05-04T06:37:22 < talsit> it just takes some time
2013-05-04T06:37:49 < talsit> mouser's site you can change language even in the japanese site
2013-05-04T06:38:04 < talsit> and of course, i can't order on the US site of digikey if my shipping address is in japan
2013-05-04T06:38:10 < talsit> hence: i can't buy from digikey
2013-05-04T06:38:49 < dongs> what pisses me off is I order from jap site (and end up paying inflated shit in JPY) and then when they bill it to american CC that I have drawing off paypal, i end up getting charged 2-5$ "currency conversion fee"
2013-05-04T06:38:53 < dongs> fuckign scam
2013-05-04T06:38:57 < dongs> its all paypal so im not TOO worried but still
2013-05-04T06:39:02 < talsit> hahaha... the US digikey, i *can* change it to spanish!
2013-05-04T06:39:09 < dongs> yeah i bet
2013-05-04T06:39:18 < dongs> its probably some part of bullshit equal rights shit
2013-05-04T06:39:24 < dongs> cuz spics are flooding america
2013-05-04T06:39:29 < R2COM> I know some spanish words
2013-05-04T06:39:39 < dongs> pretty sure there's regulations how everything must be bilingual in mcdonalts and shit
2013-05-04T06:39:39 < R2COM> few ones
2013-05-04T06:39:41 < talsit> i'm spanish, so i can speak it goods
2013-05-04T06:40:20 < talsit> i can't even browse digikey in english once i'm logged in
2013-05-04T06:40:29 < R2COM> bad for you then
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2013-05-04T06:43:39 < gxti> no US jurisdiction that i know of requires bilingual signs, it's done out of necessity
2013-05-04T06:44:06 < R2COM> I knoew few languages
2013-05-04T06:44:29 < gxti> canada is another matter though, they require french
2013-05-04T06:44:46 < talsit> in spain, most communities require bilingual
2013-05-04T06:44:55 < talsit> barcelona, it's spanish & catalan
2013-05-04T06:45:08 < talsit> in bilbao, spanish & basque (where i'm from)
2013-05-04T06:45:21 < R2COM> are catalanian girls hot?
2013-05-04T06:45:28 < talsit> some
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2013-05-04T07:24:41 < R2COM> this heli is lovely http://www.youtube.com/watch?v=zt_tyk3K1dY
2013-05-04T07:25:15 < R2COM> dual rotor single crew fighting heli
2013-05-04T07:25:31 < R2COM> ka-50
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2013-05-04T08:24:01 < talsit> hey, if i want to source some decent oled gfx displays, around 128x32 pixels, where would you recommend?
2013-05-04T08:24:54 < dongs> wide.hk
2013-05-04T08:24:59 < dongs> 128x64 i believe
2013-05-04T08:25:01 < dongs> like $5/ea
2013-05-04T08:25:06 < dongs> i2c/spi controllable
2013-05-04T08:25:19 < dongs> http://www.wide.hk/products.php?product=I2C-0.96%22-OLED-display-module-(-compatible-Arduino-)
2013-05-04T08:25:23 < dongs> this trash
2013-05-04T08:25:25 < dongs> huh why is it $16 now
2013-05-04T08:25:52 < dongs> http://www.wide.hk/products.php?product=1.5%22-Color-OLED-128x128-display-modules OOOOOOO
2013-05-04T08:25:55 < dongs> awesome
2013-05-04T08:26:47 < Simon--> save the power!
2013-05-04T08:27:53 < talsit> hmmm... any other?
2013-05-04T08:29:16 < R2COM> how tolerant are they to shock?
2013-05-04T08:29:24 < R2COM> also what about -55C to 105 C?
2013-05-04T08:29:27 < R2COM> temperature?
2013-05-04T08:29:54 < R2COM> I dont udnerstand why temperature mode is not listed in specs lots of times
2013-05-04T08:30:01 < R2COM> and it is annoying
2013-05-04T08:30:28 < R2COM> ok
2013-05-04T08:30:32 < R2COM> -40C to 85C
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2013-05-04T08:33:48 < ds2> dongs: do they need 2 voltages to run?
2013-05-04T08:33:51 < ds2> (or 3)?
2013-05-04T08:35:46 < englishman> that board needs just +5v. the oled module alone, search for UG-2864HSWEG01
2013-05-04T08:35:47 < R2COM> dude
2013-05-04T08:35:51 < R2COM> just look in datasheet
2013-05-04T08:38:23 < dongs> http://www.wide.hk/product_images/d/color_oled__97512.jpg shopped?
2013-05-04T08:38:39 < talsit> i would say so
2013-05-04T08:38:54 < dongs> https://youtube.com/watch?v=WmrlZzKhS8M
2013-05-04T08:38:55 < dongs> m,aybe not
2013-05-04T08:39:07 < dongs> https://youtube.com/watch?v=WmrlZzKhS8M#t=10s
2013-05-04T08:39:42 < R2COM> I bet those are just good for civil products, thats about it
2013-05-04T08:39:45 < englishman> "selective focus" 128x128 you can see pixels. still cool though
2013-05-04T08:40:07 < dongs> R2COM: ill be sure to contact you when i need milspec oleds for arduino
2013-05-04T08:40:27 < talsit> who said anything about arduinos?
2013-05-04T08:40:38 < R2COM>   what?
2013-05-04T08:40:50 < R2COM> i dont give shit to arduino
2013-05-04T08:41:10 < englishman> i'm sure lockheed martin orders tons from wide.hk
2013-05-04T08:41:21 < R2COM> no. it does not.
2013-05-04T08:41:38 < R2COM> neither does Mig or Sukhoi.
2013-05-04T08:44:55 < ds2> wtf
2013-05-04T08:45:01 < ds2> .rar datasheets? are they legit?
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2013-05-04T08:51:42 < ds2> and they still need 2 voltages
2013-05-04T08:54:47 < dongs> https://youtube.com/watch?v=7uBZRE5mXpc ok what
2013-05-04T08:56:31 < R2COM> errr whats that
2013-05-04T08:56:32 < R2COM> stop it
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2013-05-04T08:58:38 < dongs> its liek #stm32-crap without Laurenceb
2013-05-04T08:58:48 < R2COM> I dont know Laurenceb
2013-05-04T08:59:33 < R2COM> and probably dont want to know
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2013-05-04T09:17:34 < dongs> lol, dicknplace ran into a tall inductor while assembling
2013-05-04T09:17:54 < dongs> gonna need to adjust the order
2013-05-04T09:17:58 < dongs> so it puts that shit down last
2013-05-04T09:18:15 < R2COM> autoroute?
2013-05-04T09:18:39 < dongs> nah it has like 'optimize placement' mode where it will minimize trips to parts based on distance between next feeder
2013-05-04T09:18:44 < dongs> so i just usaully use t hat
2013-05-04T09:19:05 < dongs> i didnt think it would run into the part though, its only like 6mm tall, the head must have grabbed it while it was still moving up and going to next part
2013-05-04T09:20:22 < jpa-> huomenta
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2013-05-04T09:54:19 < Robint91> hi all
2013-05-04T09:54:25 < Robint91> rtems looks very nice
2013-05-04T09:55:55 < R2COM> hmmm
2013-05-04T09:56:14 < Robint91> rtems > freertos + lwip + fatfs
2013-05-04T10:00:09 < jpa-> openocd has some simulation stuff?
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2013-05-04T11:47:27 < R2COM> salute
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2013-05-04T11:49:45 <+Steffanx> lo
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2013-05-04T11:50:23 < R2COM> ;)
2013-05-04T11:56:27 < dongs> donging on dongs
2013-05-04T11:56:45 < R2COM> good, do they dong back?
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2013-05-04T14:24:18 < Robint91> zlog
2013-05-04T14:24:18 < zlog> Robint91: Log stored at http://tom-itx.dyndns.org:81/~tom-itx/irc/logs/%23%23stm32/2013-05-04.html
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2013-05-04T14:55:34 < Tectu> guys, what the fuck is the board on the right? http://www.youtube.com/watch?feature=endscreen&NR=1&v=9SC843Nz5zM
2013-05-04T14:56:18 < Tectu> ah, it's a custom one
2013-05-04T15:00:45 < inca> it's pretty neat! http://www.aisenke.com/nodinorobotics/
2013-05-04T15:01:41 < inca> but it's > 10 x the cost =(
2013-05-04T15:01:54 < inca> wait...
2013-05-04T15:02:14 < inca> more like > 5 x
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2013-05-04T15:12:01 < bairdy> Olimex and Mikroelectronika have "2x" boards as well..
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2013-05-04T15:12:16 < capacitor> i am capacitor
2013-05-04T15:12:35 < bairdy> are you positive?
2013-05-04T15:12:48 < capacitor> i don't know.
2013-05-04T15:16:40 < Erlkoenig> (13:55:34) Tectu: guys, what the fuck is the board on the right? http://www.youtube.com/watch?feature=endscreen&NR=1&v=9SC843Nz5zM <--- wow that Chip is huge o.O
2013-05-04T15:17:03 < Tectu> Erlkoenig, yeah indeed :o
2013-05-04T15:17:26 < Erlkoenig> and what exactly does the hardware have to do with "free software" toolchains. i can program my F4 Disco with purely Free software perfectly
2013-05-04T15:17:43 < capacitor> sure can man
2013-05-04T15:17:51 < capacitor> keil it mate
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2013-05-04T15:20:01 < capacitor> how much dollar is it
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2013-05-04T15:33:53 < dongs> sup blogggers
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2013-05-04T15:36:29 <+Steffanx> Stupid question
2013-05-04T15:40:41 < dongs> yes?
2013-05-04T15:41:48 <+Steffanx> Yep, i'm sure
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2013-05-04T15:48:00 < bairdy> Playing with party balloons. Will fill the living-room up with them before the housemate's AD&D buddies show up.
2013-05-04T15:49:15 <+Steffanx> lol
2013-05-04T15:49:16 < Erlkoenig> be sure to take a photo when they sit in that heap of balloons and play D&D
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2013-05-04T15:49:27 <+Steffanx> lol again
2013-05-04T15:49:44 <+Steffanx> Erlkoenig knows baird's house mate too well
2013-05-04T15:50:29 < bairdy> Wish I had a cylinder of acetylene :P
2013-05-04T15:51:05 < karlp> so we can read about your house blowign up when one of them pops a balloon with a ciggie?
2013-05-04T15:51:05 < Erlkoenig> hm?
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2013-05-04T16:00:27 < Robint91> bairdy, lol, like to live dangerously?
2013-05-04T16:00:28 < dongs> http://deepmac.jedimercer.com/details.php?macadd=001C85&numresults=10
2013-05-04T16:00:30 < dongs> cool address
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2013-05-04T16:10:36 <+Steffann> gheh
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2013-05-04T17:20:29 < dongs> Sorry! We are currently doing site maintenance.
2013-05-04T17:20:29 < dongs> This website is currently undergoing scheduled system maintenance
2013-05-04T17:20:29 < dongs> We expect to return to service by 12:00pm CDT.
2013-05-04T17:20:29 < dongs> We apologize for the inconvenience and ask that you try again later.
2013-05-04T17:20:30 < dongs> fucking cunts
2013-05-04T17:20:33 < dongs> TI website is down
2013-05-04T17:26:34 < inca> dongs: nobody works on weekends, especially saturday morning and afternoon
2013-05-04T17:39:07 < BJfreeman> <<---- puts away his tools so no one sees
2013-05-04T17:39:52 < BJfreeman> may the 4th be with you all
2013-05-04T17:40:31  * inca looks up from his mess with a bagel hanging out of his mouth and a soldering iron in hand...
2013-05-04T17:40:49 < inca> thanks BJfreeman! Likewise!
2013-05-04T17:41:05 <+Steffann> ti website is down mr dongs?
2013-05-04T17:41:17 <+Steffann> or was .. 20 min ago
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2013-05-04T18:27:00 < Tectu> so code that works on OTG1 should also work on OTG2 of an STM32F407, right?
2013-05-04T18:27:05 < Tectu> or is  FS and HS somehow different?
2013-05-04T18:27:13 < Tectu> (beside the external PHY of the HS)
2013-05-04T18:27:49 < Tectu> on my E407 they have one connected to USB_FS, and on the P407 it's connected to USB_HS. The code of the E407 does work on all my other dev- or project boards, but not on the P407
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2013-05-04T18:33:18 < Posterdati> hi
2013-05-04T18:33:23 < gxti> kind of answers the question then doesn't it
2013-05-04T18:34:34 < Posterdati> please help, I'm trying to calculate time using systick for 32f107, on the manual I've got two different divison values for Cortex System Timer, on a diagram I've got HCLK / 8 and the other HCLK / 8...
2013-05-04T18:34:49 < Posterdati> sorry
2013-05-04T18:34:53 < Posterdati> HCLK / 2
2013-05-04T18:35:03 < gxti> which diagram says 2?
2013-05-04T18:35:19 < emeb_mac> seen this? http://www.kickstarter.com/projects/sparkdevices/spark-core-wi-fi-for-everything-arduino-compatible
2013-05-04T18:35:33 < Posterdati> page 107 of  RM0008
2013-05-04T18:35:56 < Posterdati> page 77 of RM0008
2013-05-04T18:36:08 < Posterdati> different division factor for HCLK
2013-05-04T18:36:34 < gxti> i must have a different revision than you, both of those pages are unrelated
2013-05-04T18:36:58 < Posterdati> ID 13902 rev 9
2013-05-04T18:37:03 < gxti> in any case, /8 is correct
2013-05-04T18:37:24 < gxti> i have rev 11
2013-05-04T18:37:26 < gxti> try that :P
2013-05-04T18:37:42 < Posterdati> SYSTICK = HCLK / 8 then?
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2013-05-04T18:39:10 < gxti> The RCC feeds the Cortex System Timer (SysTick) external clock with the AHB clock
2013-05-04T18:39:13 < gxti> (HCLK) divided by 8.
2013-05-04T18:39:32 < Laurenceb_> http://www.youtube.com/watch?v=33mC6MUDA7g&feature=youtu.be
2013-05-04T18:39:34 < Laurenceb_> wtf
2013-05-04T18:39:39 < gxti> more crap?
2013-05-04T18:39:48 < gxti> yep
2013-05-04T18:41:55 < Posterdati> gxti: got rev14 the factor is /8, ok tx
2013-05-04T18:42:09 < Posterdati> gxti: both diagrams are updated and synced
2013-05-04T18:42:25 < gxti> i guess i shouldn't keep old copies of st docs either
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2013-05-04T18:48:15 < Posterdati> gxti: please, if I select RCC_SYSCLKSource_PLLCLK am I feed the systick via AHB clock?
2013-05-04T18:53:46 < Posterdati> ?
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2013-05-04T18:56:54 < gxti> Posterdati: what do you think?
2013-05-04T18:57:15 < Posterdati> dunno
2013-05-04T18:57:39 < Posterdati> I think I'm feeding thru the PLL passing AHB
2013-05-04T18:57:50 < gxti> Posterdati: look at the clock tree on page 122
2013-05-04T18:59:11 < gxti> Posterdati: follow the line back from 'cortex system timer'
2013-05-04T19:00:42 < Posterdati> gxti: yes, there's no other feeding
2013-05-04T19:01:40 < gxti> Posterdati: so what is the issue?
2013-05-04T19:02:08 < Posterdati> but control register for systick has got a bit that told the source of the systick timer clock
2013-05-04T19:02:24 < Posterdati> CLOCKSOURCE = 0 => AHB/8
2013-05-04T19:02:31 < Posterdati> CLOCKSOURCE = 1 => AHB
2013-05-04T19:03:27 < gxti> so what?
2013-05-04T19:06:46 < dongs> dongsource
2013-05-04T19:06:58 < dongs> < emeb_mac> seen this? http://www.kickstarter.com/projects/sparkdevices/spark-core-wi-fi-for-everything-arduino-compatible
2013-05-04T19:07:10 < dongs> emeb_mac: guaranteed funding @ dickstarter 1) arduino-compatible 2) works with iphone
2013-05-04T19:07:20 < dongs> jesus christ what the fuck 120k
2013-05-04T19:08:21 < Posterdati> so RCC_SYSCLKSource_PLLCLK = AHB/8 ?
2013-05-04T19:08:50 < gxti> ...
2013-05-04T19:08:51 < emeb_mac> dongs: but uses STM32!! :P
2013-05-04T19:08:55 < gxti> Posterdati: how about you just try it
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2013-05-04T19:09:09 < gxti> since you seem to be confused by text that tells you what's going on
2013-05-04T19:09:16 < englishman> you forgot cloud-powered
2013-05-04T19:09:32 < Posterdati> gxti: seems a factor of two
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2013-05-04T19:10:14 < Posterdati> time_elapse = 8 * delta(systick value) / HCLK frequency
2013-05-04T19:12:57 < Laurenceb_> is that thing using cc3000 ememb?
2013-05-04T19:13:03 < Laurenceb_> i see a big metal package
2013-05-04T19:13:27 < emeb_mac> yep
2013-05-04T19:13:33 < emeb_mac> specs further down the page.
2013-05-04T19:13:47 < Laurenceb_> so cc3000 is actually a module with shield?
2013-05-04T19:14:27 < dongs> ya
2013-05-04T19:14:36 < Laurenceb_> lol Ti
2013-05-04T19:14:46 < Laurenceb_> they show what looks like a QFN
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2013-05-04T19:16:36 < Laurenceb_> i wonder if it can do anything low level
2013-05-04T19:17:51 < cTn> hi guys, i was wondering did any of you encountered something like this ? https://dl.dropboxusercontent.com/u/31740/pictures/stm2.jpg
2013-05-04T19:18:10 < cTn> i am trying to compile a very simple cpp code for the stm32f103
2013-05-04T19:18:17 < cTn> but seems linker is going all crazy =<
2013-05-04T19:18:30 < dongs> lunix linker???
2013-05-04T19:18:47 < dongs> ah yes the amazing sbrk and shit
2013-05-04T19:18:53 < Laurenceb_> github wile you dropbox?!
2013-05-04T19:19:21 < dongs> im so fuckin glad
2013-05-04T19:19:24 < dongs> when I add printf() into keil
2013-05-04T19:19:27 < dongs> i dont need to fucking spend a week
2013-05-04T19:19:33 < dongs> figuring out how to make libc work
2013-05-04T19:19:37 < Laurenceb_> lol
2013-05-04T19:19:46 < dongs> or malloc or etc.
2013-05-04T19:19:56 < dongs> this kinda garbage just gets in the way of getting work done
2013-05-04T19:20:13 < Erlkoenig> dongs: where do the printf messages go?
2013-05-04T19:20:30 < cTn> dongs: well this is on windows, compiling on top of yagarto toolchain, with slightly modified make from your and same goes for the linker
2013-05-04T19:20:32 < emeb_mac> into the ... ether.
2013-05-04T19:20:42 < cTn> got any ideas how to solve this ?
2013-05-04T19:21:03 < Erlkoenig> cTn: don't use functions that need dynamic memory
2013-05-04T19:21:16 < Erlkoenig> and abort() and stuff like that
2013-05-04T19:21:34 < dongs> dont use malloc,printf,etc.
2013-05-04T19:21:55 < Laurenceb_> you might need to add a file of wrapper functions..?
2013-05-04T19:22:18 < Erlkoenig> this would increase code size a lot probably
2013-05-04T19:22:26 < Erlkoenig> he has to remove the offending function calls
2013-05-04T19:23:22 < cTn> well, let me ditch the printf
2013-05-04T19:23:26 < cTn> see if that solves anything
2013-05-04T19:23:31 < dongs> it "does"
2013-05-04T19:23:35 < dongs> ops
2013-05-04T19:24:01 < Robint91> when is it okay to use dynamic memory?
2013-05-04T19:24:10 < Erlkoenig> when you have enough memory connected :D
2013-05-04T19:24:12 < dongs> always, if youre not using a shit compiler
2013-05-04T19:24:24 < Robint91> Erlkoenig, vague!
2013-05-04T19:24:39 < Erlkoenig> dongs: how does your compiler handle printf? just adds an operating system that implements virtual memory, and sbrk?
2013-05-04T19:25:04 < dongs> Erlkoenig: it just fucking works
2013-05-04T19:25:08 < Erlkoenig> but how?
2013-05-04T19:25:15 < dongs> i dont know, and best of all, I dont NEED to know!
2013-05-04T19:25:16 < Erlkoenig> it "just works" is for arduino users
2013-05-04T19:25:20 < Erlkoenig> and Mac Users
2013-05-04T19:25:24 < dongs> this is the kinda shit that i do NOT need to know.
2013-05-04T19:25:37 < Erlkoenig> memory management is the interesing shit to know
2013-05-04T19:25:41 < Erlkoenig> otherwise you could just use Java
2013-05-04T19:25:51 < cTn> well printf completely removed, same errors
2013-05-04T19:25:53 < cTn> =<
2013-05-04T19:26:12 < Erlkoenig> are you using other Functions from the C runtime? Using C++?
2013-05-04T19:27:22 < cTn> i guess, let me just push the printf disabled version to git, i am "basically" not doing anything, blinking 2 leds and reading serial
2013-05-04T19:28:01 < cTn> https://github.com/cTn-dev/Phoenix-STM32/tree/master/src
2013-05-04T19:28:04 < Erlkoenig> some hack is to add empty functions _sbrk, _getpid etc. , compile&link it, disassemble it, look what uses _sbrk, what uses that, etc., iteratively find the point in your code that implicitly requires dynamic memory management (i.e. malloc)
2013-05-04T19:28:41 < Robint91> cTn, I see cpp
2013-05-04T19:28:50 < Robint91> cTn, you are on your own
2013-05-04T19:29:10 < Erlkoenig> it's just C code in a .cpp file
2013-05-04T19:29:20 < Erlkoenig> but C++ works well if you know what you're doing...
2013-05-04T19:29:28 < Robint91> it still needs the cpp compiler
2013-05-04T19:29:45 < Erlkoenig> that doesn't invoke malloc
2013-05-04T19:29:46 < Robint91> just use the C compiler if you don't need crazy stuff that cpp offres
2013-05-04T19:29:52 < Erlkoenig> at least not with GAE
2013-05-04T19:30:11 < Erlkoenig> oh wait the pid.cpp uses actual C++
2013-05-04T19:30:31 < zyp> nothing wrong with c++
2013-05-04T19:31:11 < cTn> Erlkoenig: i tried to remove it from the compile sequence, as the cpp code wasn't utilized yet
2013-05-04T19:31:14 < cTn> still same errors
2013-05-04T19:31:34 < Erlkoenig> then look at the disassembly about what calls malloc
2013-05-04T19:34:11 < cTn> there is no malloc call anywhere (in the whole source i got there)
2013-05-04T19:34:32 < Erlkoenig> ah you enabled exceptions
2013-05-04T19:35:13 < Erlkoenig> if you don't need exceptions, you should compile with -fno-exceptions . and if you don't need RTTI, compile with -fno-rtti
2013-05-04T19:36:45 < Erlkoenig> wait what... you're compiling C++ source with gcc, not g++ - that calls for trouble
2013-05-04T19:37:51 < cTn> well switching to g++ raises even more errors
2013-05-04T19:37:57 < cTn> so, i dont know :(
2013-05-04T19:38:09 < Erlkoenig> your code compiles&links fine on my pc if i add -fno-exceptions and -fno-rtti
2013-05-04T19:38:15 < Erlkoenig> then you have to fix them
2013-05-04T19:41:19 < cTn> seems -fno-exceptions did the trick (for now)
2013-05-04T19:41:20 < cTn> thanks
2013-05-04T19:41:33 < Erlkoenig> see
2013-05-04T19:42:21 < Erlkoenig> add    extern "C" void __cxa_pure_virtual () {   while(1); }     somewhere if you want to use virtual functions
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2013-05-04T19:49:47 < cTn> hmm even printf runs, with one warning but runs :-)
2013-05-04T19:50:25 < Erlkoenig> yes your custom printf might work without malloc...
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2013-05-04T19:54:23 < cTn> thx, this really helped :-)
2013-05-04T19:54:36 < cTn> finally i can start porting my "Arduino" Stuff to stm32
2013-05-04T19:55:19 < Laurenceb_> attn dongs:  http://24.media.tumblr.com/tumblr_m9aa4miQbK1rrfrdzo1_500.jpg
2013-05-04T19:55:28 < Erlkoenig> old.
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2013-05-04T20:00:26 < sterna1> cTn: you could check out elmchans printf
2013-05-04T20:00:27 < sterna1> http://elm-chan.org/fsw/strf/xprintf.html
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2013-05-04T20:43:19 < sterna1> has anyone else had the problem that when uploading a larger program (not too large, it would still fit in the microcontroller) using openocd and stlinkv2 through a cable that it stops working?
2013-05-04T20:43:52 < sterna1> it's really hard to explain, but I've had roughly this same obscure problem twice
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2013-05-04T20:58:40 < jpa-> sterna1: any error messages in the console where you have openocd running
2013-05-04T20:58:43 < jpa-> ?
2013-05-04T20:58:49 < sterna1> pasting
2013-05-04T20:59:14 < sterna1> http://pastebin.com/ZkedcFAg
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2013-05-04T21:02:24 < jpa-> sterna1: maybe try "reset halt" before "program"?
2013-05-04T21:02:51 < sterna1> jpa-: I could try that
2013-05-04T21:13:10 < Erlkoenig> hm one can use long pinheaders for combing beard
2013-05-04T21:43:00 < sterna1> jpa-: I got help over at #openocd
2013-05-04T21:43:17 < sterna1> apperently, I hit the to top WORKAREASIZE
2013-05-04T21:43:21 < sterna1> *of
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2013-05-04T22:21:21 < Robint91> how do I tell the i2c module to ingore ACKs
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2013-05-04T23:02:26 < Tectu> where's my zyp?
2013-05-04T23:03:35 < Tectu> when I have an external SRAM which is made like   256Kx16    and I create a heap, I can do it byte wise, right? I can just make a heap of 512kBytes? The memory does have the high and low byte controls. I expect that the FSMC interface is smart enough for that?
2013-05-04T23:03:41 < Tectu> or how does that work?
2013-05-04T23:10:23 < zyp> of course
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2013-05-04T23:16:01 < jpa-> Tectu: as long as you configure it to use that
2013-05-04T23:16:20 < Tectu> yeah I guess that's where I currently fail :P
2013-05-04T23:16:23 < jpa-> (and even if you don't have byte controls, it can do read-modify-write)
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2013-05-04T23:28:01 < Tectu> what's the "extended mode" ?
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--- Day changed Sun May 05 2013
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2013-05-05T00:06:57 < R2COM> for some PC fan, why would they breakout additional pin for just LED?
2013-05-05T00:07:21 < R2COM> there is a main jumper on a fan, LED jumper, for those who want to run fan with or without LED.. so I plugged in, LED is on
2013-05-05T00:07:40 < R2COM> what I dont get is why they also include a LED (+ - ) pinout cable?
2013-05-05T00:07:45 < R2COM> hmm
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2013-05-05T00:36:02 < Erlkoenig> https://fbcdn-sphotos-e-a.akamaihd.net/hphotos-ak-frc1/p480x480/420759_220617531396099_1418285304_n.jpg   this is how environmentally friendly e-mobility looks like
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2013-05-05T00:49:07 < trepidaciousMBR> R2COM: For some kind of super gamer motherboard that has a load of software controlled LEDs?
2013-05-05T00:49:16 < Tectu> lol
2013-05-05T00:49:20 < Tectu> Erlkoenig ^
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2013-05-05T00:49:37 < trepidaciousMBR> R2COM: I've learned never to underestimate the desire of gamers to have everything flashing blue.
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2013-05-05T01:06:13 <+Steffann> Whoa, that image looks like it has be reposted 1000 times on imgur Erlkoenig
2013-05-05T01:07:17 < zyp> *yawn*
2013-05-05T01:07:31 <+Steffann> morning
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2013-05-05T01:10:07 < zyp> http://bin.jvnv.net/f/Fn4dz.png <- just made some silly layout
2013-05-05T01:10:42 <+Steffann> And now the big question: what is it for?
2013-05-05T01:10:56 < zyp> the button matrix I were talking about before
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2013-05-05T01:11:22 < zyp> I need 25 of these boards, hooked up in a 5x5 matrix
2013-05-05T01:14:33 < zyp> edge boards will only have two buttons and corner boards will only have 1, so there will be 64 in total, hooked up in a 8x8 matrix
2013-05-05T01:15:22 < qyx_> so you need 6x6 of these, don't you?
2013-05-05T01:16:08 < zyp> no
2013-05-05T01:16:51 < zyp> it's four 4x4-grids of buttons, each aligned to one corner of the 5x5 grid
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2013-05-05T01:17:29 <+Steffann> You probably told it, but where is it for? Going to make music like the pros do?
2013-05-05T01:18:19 < zyp> nah
2013-05-05T01:18:38 < qyx_> we are not being helpful Steffann
2013-05-05T01:19:00 <+Steffann> This is not about being helpful or not it's about my curiousity
2013-05-05T01:19:39 < zyp> http://www.youtube.com/watch?v=w2I_MwqV5wQ <- I'm thinking something along the lines of this, except sane electronics
2013-05-05T01:19:57 < Erlkoenig> (00:06:12) Steffann: Whoa, that image looks like it has be reposted 1000 times on imgur Erlkoenig <-- well this image was taken on monday and i was there ^.^
2013-05-05T01:20:20 < zyp> just look at the mess of wires at 7:36
2013-05-05T01:21:41 < Erlkoenig> mess of funny characters
2013-05-05T01:21:52 < zyp> video has translations.
2013-05-05T01:21:57 <+Steffann> :)
2013-05-05T01:22:01 < Erlkoenig> high-quality translations :D
2013-05-05T01:22:47 <+Steffann> weird game
2013-05-05T01:22:52 < Erlkoenig> some guy in german channel posted the introduction to his master's thesis in English... he used one nonexistant word and the style was... well not master's-worthy :D
2013-05-05T01:23:50 <+Steffann> I wont say anything.. my english isnt perfect either :P
2013-05-05T01:24:37 <+Steffann> gn
2013-05-05T01:24:44 < Erlkoenig> gn8 :)
2013-05-05T01:24:55 <+Steffann> -8
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2013-05-05T01:34:15 < R2COM> so my fan on a box it said by default with its 7V arranged connector it runs only 60% speed
2013-05-05T01:34:19 < R2COM> its max is 12V
2013-05-05T01:34:39 < R2COM> I re-pinned connector to connect 12v I wonder if its full throttle now..
2013-05-05T01:34:56 < R2COM> though one couldnt probably tell much according to its dynamic or noise
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2013-05-05T02:30:24 < Laurenceb_> http://pastebin.com/QgaEPTNA
2013-05-05T02:30:28 < Laurenceb_> irl lolled
2013-05-05T02:44:31 < qyx_> me too, i repasted it
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2013-05-05T02:48:26 < Tectu> qyx_, since you're the guy who already made everything
2013-05-05T02:48:31 < Tectu> qyx_, did you ever use external SRAM?
2013-05-05T02:49:10 < qyx_> :S
2013-05-05T02:49:20 < qyx_> i did, but never used it
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2013-05-05T02:49:39 < qyx_> don't even know if it is working, it's just soldered here
2013-05-05T02:50:00 < Tectu> lol
2013-05-05T02:50:14 < Tectu> it's strange
2013-05-05T02:50:20 < Tectu> I set the PortF to AF12
2013-05-05T02:50:28 < Tectu> PortF is some of the address pins of the FSMC
2013-05-05T02:50:34 < Tectu> AF12 is all the FSMC alternate function
2013-05-05T02:50:37 < Tectu> then it does not work anymore
2013-05-05T02:50:41 < Tectu> when I don't set it, it seems to
2013-05-05T02:52:18 < Laurenceb_> omfg
2013-05-05T02:52:31 < Laurenceb_> gedit latex plugin is utterly epic
2013-05-05T02:52:40 < Tectu> it is?
2013-05-05T02:52:47 < Laurenceb_> fapfapfap
2013-05-05T02:52:53 < Tectu> pic or it didn't happen
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2013-05-05T02:54:07 < Laurenceb_> http://i.imgur.com/Lfx8qAY.png
2013-05-05T02:54:09 < Laurenceb_> epicness
2013-05-05T02:54:26 < Tectu> uh looks fancy
2013-05-05T02:54:28 < Tectu> never used latex
2013-05-05T02:55:41 < Erlkoenig> always unprotected?
2013-05-05T02:55:46 < Laurenceb_> lol
2013-05-05T02:56:00 < Laurenceb_> but might not be as nice off my laptop
2013-05-05T02:56:24 < Laurenceb_> on my workstation i stick a .dvi on a separate monitor
2013-05-05T02:56:34 < Tectu> what's your thesis about
2013-05-05T02:56:51 < zyp> failing
2013-05-05T02:57:06 < Laurenceb_> lolz
2013-05-05T02:57:21 < Tectu> laughed so hard that my nose liquid came out
2013-05-05T02:58:20 < Erlkoenig> why are you all doing so fancy stuff
2013-05-05T02:58:29 < Laurenceb_> huh?
2013-05-05T02:58:57  * Laurenceb_ zzz
2013-05-05T02:59:02 < Erlkoenig> well just that diagram:D
2013-05-05T02:59:14 < qyx_> fancy stuff?
2013-05-05T02:59:14 < Erlkoenig> compressed fancyness
2013-05-05T02:59:44 < Tectu> qyx_, are you in GMT+01:00 or +02:00 ?
2013-05-05T03:03:19 < qyx_> gmt+1 dst now, 02:03 here
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2013-05-05T04:26:05 < dongs> hello blogs
2013-05-05T04:26:19 < Erlkoenig> why "blogs"?
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2013-05-05T04:36:31 < emeb_mac> hello dongs
2013-05-05T04:37:25 < capacitor> welcome all
2013-05-05T04:40:25  * R2COM shorts capacitor
2013-05-05T04:40:37  * capacitor purrs
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2013-05-05T06:13:43 < R2COM> wow this new 230mm fan has 2x more noise parameter than my previous one but its really silent!
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2013-05-05T06:17:30 < dongs> youre just getting old
2013-05-05T06:17:35 < R2COM> nah
2013-05-05T06:18:04 < R2COM> http://i.imgur.com/pLKKwSk.jpg
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2013-05-05T06:22:41 < GargantuaSauce> and what's the noise parameter of the photograph?
2013-05-05T06:23:04 < R2COM> -0
2013-05-05T06:25:19 < dongs> cool gaming rig bro
2013-05-05T06:25:30 < R2COM> whoa
2013-05-05T06:25:50 < dongs> what i meant is "your shit fucking sucks
2013-05-05T06:26:02 < R2COM> why
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2013-05-05T06:26:07 < dongs> shrug
2013-05-05T06:26:17 < R2COM> nah
2013-05-05T06:26:19 < dongs> none of my pcs have shit shining through them
2013-05-05T06:26:51 < R2COM> meh its just pc not some workstation or something
2013-05-05T06:28:33 < R2COM> post your pc on some blog, ask the world to arrange their pcs like yours
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2013-05-05T09:09:01 < R2COM> whoa! where are the chats!
2013-05-05T09:13:25 < dongs> chats are on holiday
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2013-05-05T10:45:52 < bairdy> I have discovered trollballoons-- I found a packet of party balloons yesterday, blew them up for the roleplayers... and throughout the afternoon the (revealed to be rather old) balloons kept popping at random.
2013-05-05T10:47:19 < bairdy> The last one popped almost right into the ear of the dumb chick who created the initial problems with me and Charlotte. She wasn't Happy. :D
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2013-05-05T12:01:09 < dongs> LARP'd
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2013-05-05T12:57:46 < posterdati300> hi
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2013-05-05T13:05:29 < Posterdati> please help, I've got a problem with these two functions: http://pastebin.com/nBhmnKzR
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2013-05-05T13:17:27 < Posterdati> if dcm calls driftCorrection, I've got wrong values with sDCM.m_sOmega even if sOmegaCorrection has got zero values components, if I comment out sOmegaCorrection = ... it works
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2013-05-05T13:31:08 < Posterdati> hi
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2013-05-05T14:12:50 < dongs> zyp: how big is that
2013-05-05T14:12:54 < dongs> is that SOT23?
2013-05-05T14:15:22 < zyp> yes
2013-05-05T14:15:27 < zyp> 5x5cm
2013-05-05T14:15:31 < zyp> 1cm wide
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2013-05-05T14:30:23 < dongs> shitstudio will definitely do it
2013-05-05T14:30:29 < dongs> they have no problem with cutouts
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2013-05-05T14:33:22 < Laurenceb_> shitstudio?
2013-05-05T14:33:31 < dongs> seedstudio..
2013-05-05T14:33:33 < dongs> or itead..
2013-05-05T14:33:34 < dongs> wahtever
2013-05-05T14:33:35 < dongs> same shit pcb house
2013-05-05T14:33:37 < dongs> differnet name
2013-05-05T14:33:37 < Laurenceb_> oh
2013-05-05T14:33:39 < Laurenceb_> wtf
2013-05-05T14:33:48 < Laurenceb_> i thought they said no cutouts
2013-05-05T14:33:56 < Laurenceb_> can't do tool withdrawals
2013-05-05T14:34:06 < dongs> look at the pic
2013-05-05T14:34:09 < dongs> its just outside routing
2013-05-05T14:34:11 < dongs> not inner cutout
2013-05-05T14:34:13 < Laurenceb_> oh
2013-05-05T14:34:16 < Laurenceb_> yeah they do that
2013-05-05T14:34:20 < Laurenceb_> !zlog
2013-05-05T14:34:22 < Laurenceb_> zlog
2013-05-05T14:34:22 < zlog_> Laurenceb_: Log stored at http://tom-itx.dyndns.org:81/~tom-itx/irc/logs/%23%23stm32/2013-05-05.html
2013-05-05T14:34:40 < UweBonnes> Has anybody a mail address of Tom_L, who hosts the IRC logs?
2013-05-05T14:34:59 < Laurenceb_> you want naughty stuff deleting?
2013-05-05T14:35:23 < UweBonnes> No,  only the entries listed reversed, newest on top.
2013-05-05T14:46:56 < UweBonnes> With entries I mean the days on http://tom-itx.dyndns.org:81/~tom-itx/irc/logs/%23%23stm32/
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2013-05-05T15:40:10 < karlp> UweBonnes: he idles in #avr if you want to talk to him.
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2013-05-05T16:12:37 < bairdy> a word I learned tonight: "manscaping"...
2013-05-05T16:20:46 <+Steffanx> how did it go with the baloons mr bairdy ?
2013-05-05T16:28:57 < bairdy>  <bairdy> I have discovered trollballoons-- I found a packet of party balloons yesterday, blew them up for the roleplayers... and throughout the afternoon the (revealed to be rather old) balloons kept popping at random. <bairdy> The last one popped almost right into the ear of the dumb chick who created the initial problems with me and Charlotte. She wasn't Happy. :D
2013-05-05T16:30:34 < Erlkoenig> have a photo of the D&D players in the balloon heap? :D
2013-05-05T16:31:15 < bairdy> Nah, sorry.
2013-05-05T16:31:30 < Erlkoenig> then it didn't happen :X
2013-05-05T16:32:35 <+Steffanx> Erlkoenig didnt happen either? Or are you also on that photo with that car?
2013-05-05T16:32:43 <+Steffanx> -first ?
2013-05-05T16:33:06 < Erlkoenig> i happened
2013-05-05T16:33:15 < Erlkoenig> and what photo exactly?
2013-05-05T16:33:43 <+Steffanx> that one that looks like it has been reposted 1000 times
2013-05-05T16:33:47 <+Steffanx> *the
2013-05-05T16:33:56 < Erlkoenig> ah. well unfortunately not
2013-05-05T16:34:17 <+Steffanx> oh not not that one
2013-05-05T16:34:18 < Erlkoenig> but mom
2013-05-05T16:34:37 <+Steffanx> the other one... with the race car
2013-05-05T16:34:47 <+Steffanx> not that crappy dutch car
2013-05-05T16:36:48 < Erlkoenig> https://fbcdn-sphotos-d-a.akamaihd.net/hphotos-ak-ash4/225694_569229399787800_820292577_n.jpg  this?  i am the only longhaired guy there
2013-05-05T16:37:47 <+Steffanx> 3rd photo on the left?
2013-05-05T16:38:38 < Erlkoenig> big photo: behind the girl on the left;  topleft photo: 2nd guy from left;  bottomright photo: guy on the left
2013-05-05T16:39:02 <+Steffanx> Yeah
2013-05-05T16:40:06 < Erlkoenig> the only one who looks like a competent programmer :3
2013-05-05T16:40:17 <+Steffanx> :P
2013-05-05T16:44:20 < bairdy> bottomright photo: guy on the left - thought that was a girl :P
2013-05-05T16:46:52 <+Steffanx> More ontopic than the talk the last hour
2013-05-05T16:47:13 <+Steffanx> in python you have this 'construction' x = [x for x in something] .. does this construction have a name?
2013-05-05T16:52:07 <+Steffanx> meh, you guys dont like more ontopic talk :P
2013-05-05T16:53:10 < Erlkoenig> you just want more pics of me
2013-05-05T16:53:17 < Erlkoenig> preferably in delicate clothing
2013-05-05T16:54:06 <+Steffanx> You are into man love not?
2013-05-05T16:54:10 <+Steffanx> I'm not so.. too bad for you
2013-05-05T16:54:24 <+Steffanx> oops => ##stm32-crap :P
2013-05-05T16:54:41 < Erlkoenig> tsts what gave you that impression...
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2013-05-05T16:55:32 < zyp> Steffanx, it's called a «list comprehension»
2013-05-05T16:56:50 <+Steffanx> Hmm, why i looked over it in the python docs
2013-05-05T16:58:18 < jpa-> Steffanx: list compherension
2013-05-05T16:58:29 < jpa-> (i was only 3 minutes late :)
2013-05-05T16:58:40 <+Steffanx> thanks zyp
2013-05-05T16:59:02 <+Steffanx> thanks jpa-
2013-05-05T16:59:49 < zyp> if you drop the [] around it you get a «generator expression» instead
2013-05-05T17:01:23 < zyp> which is pretty similar, except that instead of actually making the list right now, the expression is stored and is executed as the generator is being interated over
2013-05-05T17:02:16 < jpa-> but that's only python 3, right?
2013-05-05T17:02:21 < zyp> no
2013-05-05T17:02:52 < jpa-> hmm yeah, looks like it is in 2.7 also
2013-05-05T17:04:14 < zyp> the main difference is that a generator can only be iterated once
2013-05-05T17:04:32 < zyp> but doesn't require memory to save a potentially huge list of intermediate values
2013-05-05T17:04:36 < zyp> http://paste.jvnv.net/view/lic2p
2013-05-05T17:06:55 < zyp> ah, and then you also have set and dict comprehensions: http://paste.jvnv.net/view/kPnJX
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2013-05-05T23:14:18 < Posterdati> hi
2013-05-05T23:14:57 < Posterdati> please I've got a problem: execution jumps to FaultHandler returning from operator[]
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2013-05-05T23:35:15 < Laurenceb_> Attention Dear Beneficiary,
2013-05-05T23:35:15 < Laurenceb_> This email is to notify you about the release of your outstanding payment
2013-05-05T23:35:15 < Laurenceb_> which is truly $2.500,000.00 Million Dollars
2013-05-05T23:35:19 < Laurenceb_> funtiemz
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2013-05-05T23:43:59 < upgrdman> 2.5 mil mil?
2013-05-05T23:44:44 < Laurenceb_> maybe i should ask
2013-05-05T23:44:50 < Laurenceb_> and ask for fish on head
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2013-05-05T23:45:13 < Erlkoenig> Posterdati: analyze stack to find the exact instruction that caused the error.
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--- Day changed Mon May 06 2013
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2013-05-06T00:36:11 < Posterdati> Erlkoenig: seems to jam into ldr r3, [r3, #0 ]
2013-05-06T00:36:35 < Erlkoenig> then look at r3's contents
2013-05-06T00:36:55 < Posterdati> instruction refers to f(my_class(0, 0, 0))
2013-05-06T00:37:04 < Posterdati> ok
2013-05-06T00:37:44 < Posterdati> I changed linking using g++ driver instead ld and program stop working, compilation complains about __dso_handle too
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2013-05-06T00:40:44 < Posterdati> r3 = 0x0 after reaching HardFault_Handler
2013-05-06T00:41:44 < Erlkoenig> look into the automatically pushed stack frame to get the former value of r3 before the exception handler was invoked
2013-05-06T00:42:07 < Erlkoenig> i think "0" is a valid address for at least some STM32, containing word #0 from flash...
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2013-05-06T00:46:37 < Posterdati> 0x20002328
2013-05-06T00:47:13 < Erlkoenig> yeah so check whether that's a valid address for your controller... see the memory map
2013-05-06T00:47:26 < Erlkoenig> 0x2... looks like RAM
2013-05-06T00:48:11 < Posterdati> yes it is ram
2013-05-06T00:48:15 < Posterdati> stm32f107
2013-05-06T00:48:52 < Erlkoenig> read IPSR and verify that you actually got a **Fault
2013-05-06T00:49:00 < Erlkoenig> and not some other interrupt that just doesn't have a ISR...
2013-05-06T00:49:46 < Posterdati> let me check something...
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2013-05-06T00:53:07 < Posterdati> Erlkoenig: it wasn't USB
2013-05-06T00:53:44 < Posterdati> Erlkoenig: it seems that a copy constructor in a functions jams the whole thing. It worked before when I was linking using ld
2013-05-06T00:54:09 < Erlkoenig> uuh...
2013-05-06T00:55:09 < Posterdati> is it related to __dso_handle?
2013-05-06T00:56:01 < Erlkoenig> i have no idea? :D ... the disassembly of my C++ STM32 program linked with "g++" has nothing with "dso"
2013-05-06T00:56:25 < Erlkoenig> whatever C++ construct caused your code... accessing a valid RAM location should not crash the core
2013-05-06T00:56:38 < Erlkoenig> maybe it was not that ldr instruction, but the one before it
2013-05-06T00:59:21 < Posterdati> I stepi over this instruction
2013-05-06T01:01:09 < Posterdati> 200022a8 g    O .data 00000004 .hidden __dso_handle
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2013-05-06T01:02:12 < TitanMKD> are you sure it is not an ARM instruction instead of a Thumb instruction ?
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2013-05-06T01:03:59 < Posterdati> it's a cortex m3, the code is compiled using -mthumb
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2013-05-06T01:06:11 < Laurenceb_> http://www.mos-electronic.com/en/index.htm
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2013-05-06T01:13:35 < TitanMKD> Posterdati what's the opcode of the instruction which crash ?
2013-05-06T01:13:51 < TitanMKD> Posterdati and also the full reg states
2013-05-06T01:24:24 < Erlkoenig> hmm apparantly neighours don't like death metal at midnight
2013-05-06T01:29:07 < zyp> weird
2013-05-06T01:31:11 < Posterdati> TitanMKD: problem is that it worked before
2013-05-06T01:33:56 < Posterdati> I just use g++ instead of ld to link
2013-05-06T01:35:45 < Erlkoenig> yes and that's correct
2013-05-06T01:36:57 < Posterdati> I don't know why I have to define __dso_handle, I'm not using any iostream functions
2013-05-06T01:38:47 < Erlkoenig> compile with dummy __dso_handle function, disassemble, find out where it is used
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2013-05-06T01:41:40 < Erlkoenig> i need to write an "ARM ELF" -> Callgraph generator... seems like there isn't already a good solution that also finds C/C++ Runtime function calls
2013-05-06T01:46:05 < zyp> I were dicking around with that a year and a half ago
2013-05-06T01:46:50 < Erlkoenig> oh made something useful? :)
2013-05-06T01:47:34 < zyp> http://bin.jvnv.net/f/j4TBZ.png <- I were planning to use it for tracking maximum stack usage
2013-05-06T01:47:47 < zyp> the last line in each box is stack usage
2013-05-06T01:49:01 < Erlkoenig> hmm interesting
2013-05-06T01:49:12 < Erlkoenig> from where do you gather the information=
2013-05-06T01:49:13 < Erlkoenig> ?
2013-05-06T01:49:44 < zyp> but indirect calls pretty much fucks up everything, because it's way harder to track where they are going
2013-05-06T01:50:07 < zyp> i.e. calls through function pointers or virtual functions
2013-05-06T01:51:35 < Erlkoenig> hm yes... would be ok to leave them out i think
2013-05-06T01:53:17 < zyp> for what purpose? I wanted to know exactly how much stack a thread may use, and that would require me to know every function that can be executed in that thread
2013-05-06T01:54:30 < Erlkoenig> yes for that purpose you'd need that... well i wanted such a callgraph generator to figure out whytf g++ links in malloc and other bloat libc functions
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2013-05-06T02:01:53 < zyp> I was dumping RTL from gcc and just parsing that to find calls
2013-05-06T02:02:14 < zyp> and combined that with the information from -fstack-usage
2013-05-06T02:02:24 < zyp> hmm
2013-05-06T02:02:33 < zyp> probably -fdump-final-insns for the RTL
2013-05-06T02:02:38 < Erlkoenig> ah. like that "egypt" script? or did YOU write that? :D
2013-05-06T02:02:51 < Erlkoenig> when i tried it, IIRC, it did not output libc functions
2013-05-06T02:02:53 < zyp> I wrote something myself
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2013-05-06T02:04:25 < Posterdati> Erlkoenig: still no clue
2013-05-06T02:12:29 < dongs> supo dongs
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2013-05-06T02:13:58 < Posterdati> Erlkoenig: it jams at blx 0x8019784 <__mulsf3>
2013-05-06T02:14:09 < Erlkoenig> woah
2013-05-06T02:14:40 < Erlkoenig> could you check the previous instruction? sometimes the next one is reported...
2013-05-06T02:15:30 < Posterdati> ldr r1, [ pc, #292 ]
2013-05-06T02:15:46 < Posterdati> executed
2013-05-06T02:16:05 < Erlkoenig> verify that $pc+292 is a valid adress...
2013-05-06T02:16:47 < Posterdati> is 292 decimal?
2013-05-06T02:17:10 < Erlkoenig> yup
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2013-05-06T02:17:25 < Posterdati> address is odd
2013-05-06T02:17:26 < Erlkoenig> disasemmbler usually prints the hexadecimals as comments next to the instruction
2013-05-06T02:17:34 < Posterdati> 0x802267b
2013-05-06T02:17:42 < zippe> Posterdati: LSB set in address is normal, indicates Thumb mode.
2013-05-06T02:17:57 < Posterdati> ok
2013-05-06T02:18:01 < Erlkoenig> not in a pointer to stack data??
2013-05-06T02:18:01 < zippe> the instruction you claim to have stepped over above is not an instruction; check that you are running the code you think you are
2013-05-06T02:18:33 < zippe> Erlkoenig: sorry?
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2013-05-06T02:19:25 < Erlkoenig> ldr r1, [ pc, #292 ] <--- the resulting address, $pc+292 should point to data?  and that LSB thing is only for jumping to program instructions?
2013-05-06T02:19:53 < zippe> Erlkoenig: the ldr is a reference to a literal pool, very unlikely to fail unless the ROM is completely full
2013-05-06T02:20:22 < zippe> Erlkoenig: LSB set is legacy ARM behaviour for interworking, but some tools / situations you will still see the LSB set.
2013-05-06T02:20:50 < zippe> Erlkoenig: it's ignored when pc is actually used
2013-05-06T02:21:11 < zippe> (lsb of pc is hardwired to zero)
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2013-05-06T02:49:33 < zyp> 01:13:58 < Posterdati> Erlkoenig: it jams at blx 0x8019784 <__mulsf3>
2013-05-06T02:49:40 < zyp> that's an obvous fault
2013-05-06T02:50:11 < zyp> blx <label> means «switch to arm mode and call <label>», and there is no arm mode in cortex-m
2013-05-06T02:50:42 < zyp> so you are getting the wrong multilib variant or something like that
2013-05-06T02:51:00 < Erlkoenig> woah
2013-05-06T02:51:06 < Erlkoenig> zyp the detective
2013-05-06T02:51:20 -!- Vutral [ss@mirbsd/special/Vutral] has quit [Ping timeout: 256 seconds]
2013-05-06T02:51:48 < Erlkoenig> Posterdati: if your MCU has an FPU, you don't need the software floating point implementation; given correct compiler flags you can have the hardware do it
2013-05-06T02:53:06 < zyp> that's irrelevant
2013-05-06T02:53:17 < Erlkoenig> but somehow related.
2013-05-06T02:56:36 < zyp> Posterdati, which gcc toolchain/build are you using?
2013-05-06T02:56:57  * Erlkoenig bets yagarto
2013-05-06T02:57:13 < zyp> you are either using something with a shitty library/multilib setup or using it with the wrong compiler switches
2013-05-06T02:58:04 < zyp> you should use this: https://launchpad.net/gcc-arm-embedded/ with the compiler switches described here: https://launchpadlibrarian.net/135588846/readme.txt
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2013-05-06T03:07:59 < dongs> while gcc-arm-embedded is probably the least shitty choice i'd say you're using a wrong compiler to begin with :)
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2013-05-06T03:09:10 < Erlkoenig> GAE supports C++11.
2013-05-06T03:09:50 < dongs> i'm sure all of 2 developers care.
2013-05-06T03:10:00 < Erlkoenig> yes zyp and me :3
2013-05-06T03:10:07 < Erlkoenig> no C++11 is really awesome
2013-05-06T03:10:11 < dongs> no its not
2013-05-06T03:10:18 < dongs> its "awesome" just like "python" is "awesome".
2013-05-06T03:10:42 < Erlkoenig> yeah it helps a lot in simplifying development and writing more elegant programs.
2013-05-06T03:11:49 < dongs> btw, python is not awesome.
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2013-05-06T03:19:02 < zyp> dongs, so anyway, I ordered the boards I mentioned from seeed, but I'm still gonna need a stencil… any chance you could fit the design onto one if you are getting any in the close future?
2013-05-06T03:19:48 < dongs> sure, ill check
2013-05-06T03:19:53 < dongs> lol @ seedboards
2013-05-06T03:19:57 < dongs> aidssss
2013-05-06T03:20:35 < zyp> it's ok, design is so simple I don't expect even them to be able to fuck it up
2013-05-06T03:20:54 < dongs> you'd be surprised
2013-05-06T03:20:59 < dongs> they'll managed to short traces anyway
2013-05-06T03:22:05 < zyp> http://bin.jvnv.net/f/XOWoX.png <- there aren't any traces running close to each other, and there is no planes
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2013-05-06T04:30:25 < upgrdman> got around to making a "proper" version of the sparkfun cerberus:  http://www.farrellf.com/temp/usb.jpg
2013-05-06T04:38:38 < dongs> open lolling sniffer
2013-05-06T04:43:51 < dongs> http://i.imgur.com/Hqcl5lX.jpg retweeting
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2013-05-06T06:28:17 < timemob> Who killed the chats
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2013-05-06T06:32:18 < upgrdman> im using an stm32f0 to communicate with an sd card. if i just power up my board it fails. if i power up my board, then reset the mcu, it works perfect. does that mean the ONLY possible problem is not waiting long enough after Vdd goes high to begin communication?
2013-05-06T06:32:52 < gxti> no, it could also be space aliens
2013-05-06T06:36:04 < upgrdman> :(
2013-05-06T06:36:51 < upgrdman> i tried wasting time before beginning to use spi, even several seconds, and it still only works after i reset the mcu
2013-05-06T06:39:26 < timemob> Do you have card on separate vcc so you can cycle it's power
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2013-05-06T07:09:46 < upgrdman> no, same power rail
2013-05-06T07:09:55 < upgrdman> i think i figured out part of the problem.
2013-05-06T07:10:26 < upgrdman> if i simply repeat the sd card command (CMD0) it will respond with the correct value.
2013-05-06T07:10:54 < upgrdman> i can repeat the command in firmware, or simply reset the mcu, and the effect seems to be the same -- it works on the second try
2013-05-06T07:11:14 < upgrdman> weird this is this happens with two different sd cards.
2013-05-06T07:12:45 < upgrdman> on the first try with CMD0 it responds with 0b00111111, but on the second try it responds the way it should with 0b00000001.
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2013-05-06T09:11:36 < dongs> sup blogs
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2013-05-06T09:47:11 < jpa-> upgrdman: remember that SD cards need some X amount of SCK clock cycles after power on
2013-05-06T09:47:16 < dongs> lets chat
2013-05-06T09:47:20 < jpa-> upgrdman: so you need to transmit dummy bytes first
2013-05-06T09:47:29 < dongs> rly?
2013-05-06T09:47:36 < dongs> like clock it around some?
2013-05-06T09:48:07 < jpa-> yeah, IIRC atleast
2013-05-06T09:48:54 < jpa-> https://github.com/PetteriAimonen/nuttx/blob/public/nuttx/drivers/mmcsd/mmcsd_spi.c#L1542   or something
2013-05-06T09:49:34 < talsit> is that just spi mode or sdio too?
2013-05-06T09:49:39 < jpa-> ah, spi mode only
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2013-05-06T09:49:52 < jpa-> or i only know about spi mode
2013-05-06T09:50:10 < jpa-> forgot to check if upgrdman was speaking about sdio or spi
2013-05-06T09:50:23 < upgrdman> spi
2013-05-06T09:50:30 < talsit> because i sometimes get connect errors just after powering up
2013-05-06T09:50:39 < upgrdman> and yes, i did the 80 clock cycles with cs and di high
2013-05-06T09:51:04 < dongs> i would imagine in SDIO mode the hardware will take care of that
2013-05-06T09:51:51 < upgrdman> i think i found another part of the problem. im seeing some noise with my logic analyzer between packets... will have the scope it and look at it in the analog domain. perhaps things are floating a little
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2013-05-06T09:54:07 < Robint91> hi all
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2013-05-06T09:57:04 < dongs> http://i.imgur.com/AiqH0r1.jpg retweet
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2013-05-06T10:53:41 < talsit> anyone used picoblades?
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2013-05-06T12:42:34 < karlp> PaulFertser: seen this? https://github.com/texane/stlink/pull/150
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2013-05-06T12:42:46 < karlp> kinda the completely other direction of semihosted...
2013-05-06T12:43:45 < PaulFertser> karlp: eh, and why if semihosting is already working fine with stlink?
2013-05-06T12:43:46 < jpa-> a bit hackish but works
2013-05-06T12:44:10 < jpa-> PaulFertser: maybe not widely enough known
2013-05-06T12:44:36 < PaulFertser> jpa-: yes, looks like that. I've learnt about it after reading the readme for the official toolchain.
2013-05-06T12:46:23 < karlp> very much not widely known
2013-05-06T12:51:08 < PaulFertser> It even works for bidirectional console output in Eclipse out-of-the-box (with OpenOCD).
2013-05-06T12:51:41 < karlp> with stock stlink frimware, and the project linked with rdimon?
2013-05-06T12:51:45 < PaulFertser> karlp: yes
2013-05-06T12:52:18 < karlp> so... if rdimon takes over the syscall _write and _read,
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2013-05-06T12:52:46 < karlp> how can I keep stdio for stdin/stderr, but still use fprintf(myotherfd_uart2, "balh") ?
2013-05-06T12:52:51 < karlp> with rdimon?
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2013-05-06T12:56:54 < PaulFertser> karlp: i guess only with a custom function used instead of fprintf that would print to an array and then output via UART by device-specific means, but that way you'll loose libc bufferring.
2013-05-06T12:58:11 < PaulFertser> Or probably you can add your own _open and _write that would shadow the rdimon definitions, and copy-paste some code from it.
2013-05-06T13:01:22 < karlp> yeah, I guess that's the only real way.
2013-05-06T13:01:24 < karlp> no big deal
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2013-05-06T13:41:20  * capacitor presents the new stm64
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2013-05-06T14:15:51 < PaulFertser> karlp: thanks for the link, i've let the guy know about semihosting, he seems to be interested, probably will add support to texane/stlink. I'm not sure if texane/stlink is better than OpenOCD for anything though.
2013-05-06T14:16:19 < karlp> faster for getting patches into... ;)
2013-05-06T14:16:22 < zyp> build time dependencies
2013-05-06T14:16:32 < karlp> oh yeah, far far far simpler to use (when it works)
2013-05-06T14:16:37 < zyp> that's probably the worst thing about openocd
2013-05-06T14:17:46 < karlp> hrm, texane/stlink got autotoolized a while ago, that made it substatianlly uglier on the build front though
2013-05-06T14:17:57 < zyp> true
2013-05-06T14:18:13 < zyp> that's around when I stopped using it, I think
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2013-05-06T14:19:59 < jpa-> PaulFertser: it copes better with EMC issues on the SWD cable
2013-05-06T14:20:12 < jpa-> where openocd just stops and gives an error, texane stlink just keeps going
2013-05-06T14:21:28 < PaulFertser> zyp: what are the nasty build time dependencies? libusb-dev?
2013-05-06T14:21:46 < zyp> tcl and shit
2013-05-06T14:21:50 < PaulFertser> OpenOCD is easy too
2013-05-06T14:22:11 < jpa-> zyp: hmm.. doesn't openocd come with jimtcl?
2013-05-06T14:22:13 < PaulFertser> zyp: it has jimtcl it as a subproject and fetches and builds automatically.
2013-05-06T14:22:46 < zyp> yeah, except building jimtcl failed last time I tried
2013-05-06T14:26:16 < PaulFertser> jpa-: hm, that's a valid complaint
2013-05-06T14:26:30 < karlp> because it'ðs on some shitty git repo that only osmetimes responds
2013-05-06T14:26:46 < PaulFertser> jimtcl is currently fetch from repo.or.cz via http
2013-05-06T14:26:59 < PaulFertser> fetched
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2013-05-06T14:38:23 < inca> Have you guys seen this STLink as a serial terminal? http://ncrmnt.org/wp/2013/05/06/stlink-as-a-serial-terminal/
2013-05-06T14:38:45 < zyp> 11:42:34 < karlp> PaulFertser: seen this? https://github.com/texane/stlink/pull/150
2013-05-06T14:38:48 < zyp> so yes
2013-05-06T14:40:05 < jpa-> and already determined semihosting to be better :P
2013-05-06T14:41:05 < inca> jpa-: what is your platform for semihosting? what link device and software
2013-05-06T14:41:52 < karlp> did you read any of the scrollback at all?
2013-05-06T14:42:20 < inca> reading
2013-05-06T14:42:58 < jpa-> inca: openocd + stlink should work, also should black magic probe, haven't tried myself
2013-05-06T14:45:47 < inca> jpa-: what is your compiler?
2013-05-06T14:46:02 < inca> gcc-arm-embedded?
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2013-05-06T14:47:35 < inca> karlp: so you are looking for a way to use both semihosting and uart… wouldn't libc allow you to open uart as a separate character stream?
2013-05-06T14:50:36 < inca> karlp: hmm… you may need some OS support to differentiate the low level driver stuff.
2013-05-06T14:50:48 < PaulFertser> For BMP semihosting works with yet-to-be-released branch.
2013-05-06T14:51:51 < zyp> gareth were talking about wanting people to test it before merging it to master
2013-05-06T14:52:47 < inca> I'll test it right now
2013-05-06T14:55:16 < karlp> inca: no, I was just thinking out loud
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2013-05-06T14:55:38 < inca> PaulFertser: what branch? hostio?
2013-05-06T14:55:38 < Robin_> is semihosting threadsafe?
2013-05-06T14:55:44 -!- Robin_ is now known as Robint91
2013-05-06T14:55:50 < karlp> threads? what are threads? ;)
2013-05-06T14:56:01 < Robint91> s/threads/tasks/
2013-05-06T14:56:13 < Robint91> karlp, RTOSses, ...
2013-05-06T14:56:18 < karlp> best to ask arm that on launchpad I would say
2013-05-06T14:56:26 < karlp> Robint91: I knew what you meant, was just being unhelpful sorry :)
2013-05-06T14:56:31 < zyp> Robint91, depends on the implementation
2013-05-06T14:58:25 < PaulFertser> inca: yes
2013-05-06T14:59:06 < inca> looks like it was merged into master on april 16th
2013-05-06T14:59:35 < inca> what is the simplest known working hostio code to test with?
2013-05-06T15:00:03 < zyp> jpa- had some
2013-05-06T15:00:15 < Robint91> zyp, mhh
2013-05-06T15:00:17 < karlp> link with rdimonspecs and call printf
2013-05-06T15:00:20 < karlp> done.
2013-05-06T15:00:36 < zyp> he said simplest, not easiest
2013-05-06T15:01:10 < PaulFertser> newlib has reentrancy support if you enable it accordingly, it seems.
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2013-05-06T15:02:33 < PaulFertser> inca: i'm not sure it was merged, it doesn't look like it. You also most probably need to call initialise_monitor_handles(); as described in README
2013-05-06T15:02:44 < inca> karlp: I understand the theory behind, but as someone who has never seen semihosting work before, I'd rather stick to code that is known to work so my troubleshooting can be isolated to the makefile and link-debugger
2013-05-06T15:04:14 < inca> PaulFertser: sorry, I misread my git information. It merged branch master into hostio on 16th
2013-05-06T15:06:15 < inca> I see the readme section
2013-05-06T15:10:31 < jpa-> inca: https://github.com/PetteriAimonen/nanopb-benchmark/blob/master/platform/platform-arm.h
2013-05-06T15:10:36 < inca> hmm… I think I'll copy the ARM example project for semihosting as the exemplar (gcc-arm-embedded share dir)
2013-05-06T15:11:11 < jpa-> so platform_write() from there is probably the simplest way to write text through semihosting
2013-05-06T15:11:21 < inca> awesome!
2013-05-06T15:11:22 < PaulFertser> (the need for initialise_monitor_handles() arises from the fact almost everybody uses custom ST linker script and startup, crt0, not newlib's)
2013-05-06T15:11:40 < inca> PaulFertser: roger that
2013-05-06T15:15:38 < inca> I feel like BMP needs a test fixture… is that supposed to be libopencm3?
2013-05-06T15:16:13 < zyp> why?
2013-05-06T15:16:47 < inca> zyp: because if you want people to test things, it's best not to rely on their ability to synthesize code from 3 readme's and an IRC channel ;)
2013-05-06T15:18:48 < zyp> BMP is a tool, and it's more interesting to test it during real world usage that would exercise all sorts of weird corner cases rather than some constructed examples
2013-05-06T15:18:57 < zyp> IMO
2013-05-06T15:18:58 < jpa-> inca: bmp is about programming chips, it's not about what you program on them
2013-05-06T15:19:33 < jpa-> having examples on how to develop for STM32 is a different issue
2013-05-06T15:19:34 < zyp> I'm using BMP to program my own stuff, and it's not related to libopencm3 at all
2013-05-06T15:19:36 < inca> jpa-: doesn't mean it can't have automated regression testing for known working interfaces…
2013-05-06T15:19:45 < inca> zyp: that's not what I meant
2013-05-06T15:20:07 < inca> libopencm3 builds its example projects
2013-05-06T15:20:30 < inca> which is a "test" of sorts
2013-05-06T15:20:43 < zyp> not necessarily, they are now taken out of the main libopencm3 repo
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2013-05-06T15:21:19 < zyp> but sure, I see your point
2013-05-06T15:21:23 < inca> It does require almost emulating the hardware with stubs, but it is usually worth the time to have the fixtures so you know you're not breaking old functionality
2013-05-06T15:21:28 < inca> thanks =)
2013-05-06T15:21:52 < zyp> is it worth the time?
2013-05-06T15:22:00 < inca> zyp: absolutely
2013-05-06T15:22:13 < zyp> whose time?
2013-05-06T15:22:14 < zyp> your?
2013-05-06T15:22:26 < inca> if you plan on working with other people than oneself, yes
2013-05-06T15:22:34 < jpa-> probably, and it would be good enough to have something that can run on the real hardware automatically
2013-05-06T15:22:42 < inca> and if it is a solo project, then once it gets past a certain size
2013-05-06T15:23:02 < jpa-> i.e. flash some program on a processor, test some stepping, breakpoints, watchpoints, semihosting etc.
2013-05-06T15:23:13 < inca> jpa-: that would rock
2013-05-06T15:23:37 < jpa-> inca: go ahead an make it :)
2013-05-06T15:23:52 < inca> jpa-: I am just the idiot that breaks all those supposed features!
2013-05-06T15:23:56 < inca> I want to see it work
2013-05-06T15:24:08 < zyp> so it's not worth _your_ time?
2013-05-06T15:24:10 < zyp> :p
2013-05-06T15:24:12 < inca> but I could code it up if I was given direction and architecture
2013-05-06T15:24:30 < inca> give me one example and some architecture information and I can extend it
2013-05-06T15:24:45 < inca> one (working) example
2013-05-06T15:24:58 < jpa-> inca: take some widely available hardware (discovery board), /usr/bin/expect and gdb, and write a plain old test script
2013-05-06T15:25:03 < jpa-> it would handle a lot of the common cases
2013-05-06T15:25:20 < inca> I just installed expect over the weekend
2013-05-06T15:25:29 < inca> interesting tool
2013-05-06T15:25:44 < inca> I wonder if we couldn't wrap it all up into cppunit?
2013-05-06T15:26:04 < zyp> to require extra dependencies?
2013-05-06T15:26:52 < jpa-> extra dependencies for a test suite is not that bad
2013-05-06T15:27:19 < inca> zyp: cppunit is pretty nice and mature. I do not see its interface changing (breaking compatibility) anytime in the next 10 years. I think it's like 4 files?
2013-05-06T15:27:50 < jpa-> inca: but what's the point, when you aren't really testing any c++ code?
2013-05-06T15:28:30 < zyp> what's the point when you only need to run your expect script and get a pass/fail score?
2013-05-06T15:28:40 < inca> jpa-: I was reading the TDD book for embedded, and cppunit apparently just has the better framework than the unity (c-only) framework. Also, it works just fine on C projects
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2013-05-06T15:29:03 < inca> zyp: I've not set up unit testing with expect… yet
2013-05-06T15:29:10 < inca> I have with cppunit
2013-05-06T15:29:14 < jpa-> inca: you aren't really unit testing anything probably
2013-05-06T15:29:39 < jpa-> atleast to me it seems that very few parts of bmp would be worth unit testing
2013-05-06T15:29:47 < jpa-> testing the complete thing is a different thing
2013-05-06T15:30:07 < zyp> functional testing
2013-05-06T15:30:46 < inca> both can be wrapped into test fixtures, and the things that are worth unit testing might be good for noobs like me to see those tests to understand the important aspects of the architecture
2013-05-06T15:30:50 < jpa-> of course it should be separated to test cases, and you may need some short script to run those
2013-05-06T15:30:59 < inca> mhmm
2013-05-06T15:32:53 < inca> geez… it looks like cppunit project may have bloated since my last checkout =P
2013-05-06T15:33:23 < inca> 9.8 MB
2013-05-06T15:34:45 < karlp> fuck expect and it's demonspawn tcl blood
2013-05-06T15:34:59 < inca> =)
2013-05-06T15:35:59 < inca> karlp: tell me how you /really/ feel
2013-05-06T15:37:32 < zyp> I'd use pexpect or something
2013-05-06T15:37:39 < zyp> or just talk gdb remote protocol directly
2013-05-06T15:37:40 < inca> I finally taught myself 'screen' over the weekend. Awesome tool for multiplexing ttys
2013-05-06T15:38:00 < inca> and this kind of thing
2013-05-06T15:45:24 < inca> Program received signal SIGTRAP, Trace/breakpoint trap. initialise_monitor_handles(), start(), _swistat(), _isatty(), _swiwrite(), error(), _kill()
2013-05-06T15:45:29 < inca> continued through those
2013-05-06T15:45:36 < inca> no output
2013-05-06T15:46:01 < inca> the code is the boilerplate ARM example
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2013-05-06T15:46:23 < inca> trying jpa's platform_write()
2013-05-06T15:48:16 < PaulFertser> inca: yes, trace breakpoint trap is what should happen. If you see it in gdb, it means your BMP version is from the wrong branch most probably.
2013-05-06T15:48:49 < inca> oh, duh! thanks Paul… I forgot to flash the new bmp
2013-05-06T15:49:43 < karlp> and a stock off the shelf stlink would have worked right?
2013-05-06T15:49:58 < PaulFertser> Yes, with OpenOCD.
2013-05-06T15:50:22 < PaulFertser> stlink is not smart enough to care about breakpoint types, so it's to be handled by the host software.
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2013-05-06T15:53:43 < Robint91> does someone know a place to get custom lenses to mount on PCBs?
2013-05-06T15:54:15 < inca> what is the offset for bmp binary past 0x08000000?
2013-05-06T15:55:57 < inca> where is this even documented?
2013-05-06T15:56:13 < inca> or scripted… python loader?
2013-05-06T15:58:33 < zyp> inca, 0x2000 IIRC
2013-05-06T15:59:04 < inca> yep. scripts/stm32_mem.py
2013-05-06T16:01:01 < inca> I guess I could have looked at the elf
2013-05-06T16:06:21 < inca> I got the hello world =)
2013-05-06T16:06:31 < inca> awesome
2013-05-06T16:06:50 < inca> using stlink on f4discovery board
2013-05-06T16:07:04 < inca> bmp, latest hostio, no modifications
2013-05-06T16:07:52 < inca> still get twp SIGTRAPs to continue through before getting to the printf
2013-05-06T16:20:58 < qyx_> http://i.imgur.com/4Ce2UwD.png
2013-05-06T16:21:02 < qyx_> i am obsessed with curves
2013-05-06T16:21:20 < qyx_> like that style
2013-05-06T16:22:05 < zyp> sounds like you'd like toporouter
2013-05-06T16:22:30 < Thorn> http://www.forbes.com/sites/andygreenberg/2013/05/05/meet-the-liberator-test-firing-the-worlds-first-fully-3d-printed-gun/
2013-05-06T16:22:33 < Thorn> >New York Senator Charles Schumer echoed Israel’s call for that new legislation to ban 3D-printable guns.
2013-05-06T16:32:47 < Laurenceb_> im sure my condom gun was more lethal
2013-05-06T16:33:08 < Laurenceb_> 500ml pop bottle with butane/air mix
2013-05-06T16:33:28 < Laurenceb_> then ~40cm long PP pipe with petrol filled condom
2013-05-06T16:33:47 < inca> qyx_: are you freehanding the layout art?
2013-05-06T16:34:21 -!- daku is now known as DaKu
2013-05-06T16:35:04 < qyx_> inca: no, eagle, but it is more compressible if not 45 degree placed in grid
2013-05-06T16:35:20 < inca> =)
2013-05-06T16:35:37 < qyx_> and better for the signal \o/
2013-05-06T16:35:42 < qyx_> maybe
2013-05-06T16:35:45 < qyx_> hope so
2013-05-06T16:38:05 < gxti> it's kinda wiggly though
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2013-05-06T17:04:09  * inca just got a BeagleBone Black
2013-05-06T17:04:20 < inca> for hacking his STM32 projects, of course
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2013-05-06T17:21:40 < dongs> beagleboner
2013-05-06T17:29:10 < gxti> step 1: plug it into arduino
2013-05-06T17:29:14 < gxti> step 2: plug it into raspberry pi
2013-05-06T17:29:19 < gxti> step 3: zomg hackaday
2013-05-06T17:37:32 < Thorn> Beagle Black
2013-05-06T17:40:06 < inca> Thorn: it's a very nice looking board
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2013-05-06T18:47:30 < Laurenceb_> zlog
2013-05-06T18:47:31 < zlog_> Laurenceb_: Log stored at http://tom-itx.dyndns.org:81/~tom-itx/irc/logs/%23%23stm32/2013-05-06.html
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2013-05-06T19:10:56 < Robint91> w00t
2013-05-06T19:10:57 < Robint91> https://www.dropbox.com/s/urcrbxffg3c1nrs/2013-05-06%2018.06.33.jpg https://www.dropbox.com/s/ys8yvqpyhcnp0er/2013-05-06%2018.06.23.jpg
2013-05-06T19:12:35 <+Steffanx> Where's the rf part?
2013-05-06T19:13:11 < Robint91> Steffanx, dropped it
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2013-05-06T19:14:17 < Laurenceb_> wut is it?
2013-05-06T19:14:55 <+Steffanx> a pen for his "interactive-whiteboard solution" Laurenceb_
2013-05-06T19:14:59 < Robint91> Laurenceb_, this http://www.vmarker.be/img/product_IR-pen-touch.jpg but in a nice plastic casing
2013-05-06T19:15:22 < Laurenceb_> it flashes IR?
2013-05-06T19:15:30 < Robint91> yes
2013-05-06T19:15:36 < Robint91> Laurenceb_, and very fast
2013-05-06T19:15:59 < Laurenceb_> cool
2013-05-06T19:16:04 < Laurenceb_> what else?
2013-05-06T19:17:17 < Robint91> Laurenceb_, it has a gyro and accelero
2013-05-06T19:17:30 < Robint91> to do remote controll of the cursor
2013-05-06T19:17:35 < Laurenceb_> oh nice
2013-05-06T19:17:42 < Robint91> full 9dof
2013-05-06T19:17:46 < Laurenceb_> what sensor ic?
2013-05-06T19:17:58 < Robint91> L3GD20 + LSM303DHLC
2013-05-06T19:18:05 < Laurenceb_> cool
2013-05-06T19:18:16 < Laurenceb_> how are you solving for orientation?
2013-05-06T19:19:52 < Robint91> Laurenceb_, nothing fancy, LSM303 for orientation, to get the infromation from the correct gyro axis, and the some filtering to get the drift out
2013-05-06T19:23:05 < dongs> dat soldering
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2013-05-06T19:29:37 < zyp> dongs, here's the gerber I want a stencil for: http://bin.jvnv.net/f/F2w7p/buttonmatrix.tcr
2013-05-06T19:29:44 < Laurenceb_> dongs: http://global3.memecdn.com/dat-ass_o_148823.jpg
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2013-05-06T19:30:44 < zyp> hang on, shit is broken
2013-05-06T19:31:16 < upgrdman> anyone here written code to communicate with an sd card? after pulling CS low, do you need send 0xFF until DO returns 0xFF? in other words, do you need to wait for DO to go high before sending a command?
2013-05-06T19:34:52 < emeb> spi or sdio?
2013-05-06T19:35:13 < zyp> SPI obviously
2013-05-06T19:35:33 < zyp> SDIO are using other names
2013-05-06T19:36:39 < upgrdman> spi
2013-05-06T19:36:39 < upgrdman> i ask because the first time i sent a CMD0 (software reset) after power up it fails with a response of 0b00111111
2013-05-06T19:36:45 < upgrdman> but if i reset the mcu, or try CMD0 again, it works as expected and returns 0b00000001
2013-05-06T19:37:20 < emeb> not a bad idea to try multiple times before giving up
2013-05-06T19:37:44 < upgrdman> looking at it with a logic analyzer shows DO going high after pulling CS low on the second (successful) try
2013-05-06T19:38:01 < upgrdman> but DO stays low the first time (except for the response byte)
2013-05-06T19:38:46 < zyp> dongs, fixed url: http://bin.jvnv.net/f/4emUg/buttonmatrix.tcr
2013-05-06T19:39:41 < Robint91> zyp, Y U NO put png online
2013-05-06T19:39:46 < Robint91> zyp, how do I open that
2013-05-06T19:40:34 < qyx_> anyone into analog things?
2013-05-06T19:40:57 < emeb> qyx_: everything is analog
2013-05-06T19:41:04 < emeb> analog all the things
2013-05-06T19:41:13 < zyp> Robint91, why the fuck do you want to open that? it's a boring gerber
2013-05-06T19:41:33 < emeb> gerbv FTW
2013-05-06T19:42:09 < zyp> http://bin.jvnv.net/f/XOWoX.png <- it's the stancil layer containing apertures for the four buttons and the four diodes on this
2013-05-06T19:42:15 < zyp> nothing real fancy
2013-05-06T19:43:49 < qyx_> http://i.imgur.com/0xRa5zk.png
2013-05-06T19:43:52 < qyx_> diz one
2013-05-06T19:44:12 < qyx_> it SHOULD be preamp before ADC
2013-05-06T19:44:34 < qyx_> coax is used to power preamp on the other end
2013-05-06T19:45:03 < qyx_> 2 questions here: is the 75ohm termination ok?
2013-05-06T19:45:29 < qyx_> and how do i add lowpass filter? i assume that it should go after that 75ohm resistor just before opamp
2013-05-06T19:46:01 < emeb> wait
2013-05-06T19:46:22 < emeb> I don't see any input resistor for the signal to the op-amp.
2013-05-06T19:46:37 < qyx_> what?
2013-05-06T19:48:18 < emeb> nm
2013-05-06T19:48:23 < ds2> what's D3 for?
2013-05-06T19:48:29 < qyx_> tvs diode
2013-05-06T19:48:46 < ds2> as in ESD diode?
2013-05-06T19:48:53 < qyx_> yep
2013-05-06T19:48:57 < karlp> upgrdman: I thought jpa told you last night that you need a bunch of spi clocks to make it work after reset by spec
2013-05-06T19:48:58 < ds2> ah... looked like a zener
2013-05-06T19:49:05 < karlp> but you said you were using sdio, so itwasn't relevant
2013-05-06T19:49:15 < upgrdman> no
2013-05-06T19:49:20 < upgrdman> i never said i was using sdio
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2013-05-06T19:49:28 < karlp> ok, so what wsa wrong with jpa's advice then?
2013-05-06T19:49:32 < upgrdman> and i AM sending the 80 clocks at power up
2013-05-06T19:49:37 < emeb> 75 ohm termination should be OK
2013-05-06T19:49:46 < ds2> why 1uF on the input and 0.1uF on the out?
2013-05-06T19:50:07 < emeb> assuming VDD/2 is really low impedance (not just a resistor divider)
2013-05-06T19:50:18 < qyx_> vdd/2 is buffered
2013-05-06T19:50:23 < upgrdman> karlp: his advise didnt point out anything that helped :(
2013-05-06T19:50:42 < emeb> vdd/2 bypassed with cap too?
2013-05-06T19:50:46 < qyx_> yep
2013-05-06T19:50:55 < upgrdman> when i get home i'll scope the lines to make sure nothing in weird in the analog domain
2013-05-06T19:51:06 < jpa-> karlp: yeah, like upgrdman said he is already sending those clocks :)
2013-05-06T19:51:27 < upgrdman> and i'll try sending 0xFF until receiving 0xFF before sending a command.
2013-05-06T19:51:41 < qyx_> emeb: i will probably just insert rc before opamp
2013-05-06T19:51:52 < ds2> is this opamp unconditionally stable?
2013-05-06T19:52:05 < jpa-> upgrdman: i have found it necessary to sometimes retry the CMD0.. not sure why
2013-05-06T19:52:27 < emeb> qyx_: you should also consider putting a cap in parallel with R2
2013-05-06T19:52:44 < upgrdman> ok. as long as im not the only one with that problem. i dont mind retrying, i just dont want to "treat the symptom instead of the problem"
2013-05-06T19:52:53 < emeb> that rolls off the output gain to ensure stability, and if you make it large enough it acts as a 1-pole LPF.
2013-05-06T19:52:57 < upgrdman> jpa-: ever had problems with other commands needing to be repeated?
2013-05-06T19:53:31 < jpa-> upgrdman: not really
2013-05-06T19:53:36 < upgrdman> ok good
2013-05-06T19:53:36 < qyx_> emeb: hmm
2013-05-06T19:53:56 < ds2> emeb: is the part self compensated for stability?
2013-05-06T19:54:10 < jpa-> upgrdman: but my trouble has been mostly after resets where the SD card hasn't had its power removed.. so it is in some unknown state and that may be why i have needed repeats
2013-05-06T19:54:13 < emeb> ds2: I don't know - the part type isn't specified.
2013-05-06T19:54:28 < qyx_> should it be?
2013-05-06T19:54:30 < emeb> I always put the snubber cap in the feedback for safety.
2013-05-06T19:54:54 < ds2> emeb: ahhhh. you take the conservative approach
2013-05-06T19:54:57 < emeb> keeps the op-amp from singing. The value can be chosen afterwards for best performance.
2013-05-06T19:55:26 < ds2> I had a 741 act as an AM radio before ;)
2013-05-06T19:55:27 < emeb> ds2: yeah - doesn't cost anything to put the pads down, just in case.
2013-05-06T19:55:54 < qyx_> it is some microchip part, 5MHz GBW
2013-05-06T19:56:12 < ds2> large gain can mean pain
2013-05-06T19:56:23 < ds2> gain bw that is
2013-05-06T19:56:48 < qyx_> what, i messed up the values
2013-05-06T19:56:53 < qyx_> gain is just 2V/V
2013-05-06T19:57:14 < ds2> qyx_: I mean gain of the opamp itself
2013-05-06T19:58:47 < qyx_> ok, added parallel cap and RC filter
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2013-05-06T20:00:36 < emeb> gain is 1+47, no?
2013-05-06T20:03:30 < qyx_> no, that should be 2.2k instead od 47k
2013-05-06T20:03:56 < emeb> so gain is 3.2?
2013-05-06T20:04:00 < qyx_> around
2013-05-06T20:04:09 < qyx_> input has voltage swing around 1V
2013-05-06T20:04:22 < qyx_> actually it doesn't matter much
2013-05-06T20:04:23 < emeb> what frequency do you need for the LPF corner?
2013-05-06T20:05:37 < qyx_> around 100kHz, it is sampled at 2msps
2013-05-06T20:08:55 < emeb> so if you make the cap in the feedback around 700pf then that'll put the corner frequency of the feedback around 100kHz.
2013-05-06T20:09:16 < emeb> combine that with the RC you have at the input and you'll get 2 poles of LPF.
2013-05-06T20:09:23 < qyx_> hm, ok, thanks
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2013-05-06T20:10:49 < emeb> ie - the R2||Cfb pair forms another pole @ 1/(2*pi*R2*Cfb)
2013-05-06T20:10:51 < gxti> qyx_: what kind of signal?
2013-05-06T20:13:43 < gxti> derp, i read 2msps as 200ksps
2013-05-06T20:13:59 < gxti> that sounds good
2013-05-06T20:24:13 < qyx_> gxti: vlf wideband burst, lightning :X
2013-05-06T20:29:47 < emeb> I just listen for thunder. :)
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2013-05-06T21:16:19 < kuldeepdhaka> hello, http://pastebin.centos.org/2302/   i have a problem with makeinfo ,   i was building newlib for arm. , but it not compiling.  im using centos
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2013-05-06T21:20:47 < karlp> so... install makeinfo?
2013-05-06T21:20:55 < karlp> "properly"
2013-05-06T21:21:01 < karlp> because centos is crazy
2013-05-06T21:21:06 < karlp> or, just don't build the docs
2013-05-06T21:22:28 < kuldeepdhaka> how can i skip the doc build ?
2013-05-06T21:23:23 < kuldeepdhaka> karlp, btw have a look at the end of paste, i have makeinfo installed.
2013-05-06T21:23:51 < Thorn> centos is about 10 years behind everyone else iirc
2013-05-06T21:24:13 < Thorn> get a better distro?
2013-05-06T21:25:21 < kuldeepdhaka> i i do rpmbuild from fedora srpm's, its not a problem
2013-05-06T21:26:20 < kuldeepdhaka> "<karlp> or, just don't build the docs"    how to?
2013-05-06T21:27:46 < kuldeepdhaka> i have installed other part, just newlib remaining
2013-05-06T21:28:50 < gxti> centos is an enterprise distro for servers, it's not worse just slow on purpose
2013-05-06T21:36:59 < karlp> yeah until you try and install any enterprise applications, and you find that all the libs are too old :)
2013-05-06T21:37:24 < karlp> kuldeepdhaka: I see that you have makeinfo from  your shell, but clearly make can't find it.
2013-05-06T21:38:06 < kuldeepdhaka> karlp, yes
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2013-05-06T21:42:08 < ddrown> kuldeepdhaka: did you install makeinfo after you ran configure? have you tried re-running configure?
2013-05-06T21:43:41 < kuldeepdhaka> i tried many time , also reinstalled texinfo, then tried configure, i have tried this many time
2013-05-06T21:44:00 < kuldeepdhaka> but no +ve result
2013-05-06T21:44:15 < ddrown> configure's output might have a hint about makeinfo
2013-05-06T21:44:24 < karlp> let me guess, you're installing it from source, because centos doesn't package it, because it's "stable" ;)
2013-05-06T21:45:20 < gxti> karlp: you are mistaken, real enterprise applications are also super old :p
2013-05-06T21:48:14 < kuldeepdhaka> when i executed "makeinfo --......  .... standards.info ../../newlib ......  .. .texi"  in shell it properly executed  and when i again $make then it showed that the file is already modified          |  (Name: texinfo    Arch: i686     Version: 4.13a        Release: 8.el6 )
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2013-05-06T22:00:38 < karlp> everyone can define enterprise the way they want.  if they're really "old" they wouldn't run on centos because it was too new :)
2013-05-06T22:01:40 < gxti> it's easier to run old stuff than new stuff, you can always install compat libraries
2013-05-06T22:01:56 < gxti> but RHEL/CentOS is a popular baseline and it would be odd for enterprise software to not work on it
2013-05-06T22:02:05 < gxti> rhel 6.4 isn't *that* old
2013-05-06T22:02:26 < gxti> i mean, it just came out a month or two ago, but even the toolchain it's based on is not that old
2013-05-06T22:04:16 < karlp> so in other news, it's not _quite_ summer here yet :) http://www.flickmylife.com/archives/30747
2013-05-06T22:04:17 < kuldeepdhaka> centos is stable, this is + point of it
2013-05-06T22:04:28 < karlp> stably making sure you don't install anything that might be unstable
2013-05-06T22:05:45 < kuldeepdhaka> enhancement arnt added that early , but bug fix are dont.
2013-05-06T22:06:06 < karlp> file a bug that you can't build newlib, see how fast it gets fixed :)
2013-05-06T22:06:08 < kuldeepdhaka> *dont -> done
2013-05-06T22:06:14 < gxti> anyway if you want unstable there's always ubunnypoo
2013-05-06T22:06:52 < gxti> or fedora but i've never seen any enterprise stuff recommend that
2013-05-06T22:07:26 < kuldeepdhaka> next is fedora :)
2013-05-06T22:07:42 < gxti> it's all crap but you get to choose what it tastes like
2013-05-06T22:07:47 < Robint91> something strange, when debugging. I have a stm32f100 connected to an I2C LSM303DHLC (acc+magneto). It works(reading some random regs) in the first debugging session, multiple times. But when I stop and start the second session is it stalls at 		while (!I2C_CheckEvent(I2C1, I2C_EVENT_MASTER_MODE_SELECT));
2013-05-06T22:07:48 < Robint91>  
2013-05-06T22:08:04 < Robint91> the other L3GD20 sensor doesn't have the same problem
2013-05-06T22:08:16 < Robint91> they are both connected to the same I2C port
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2013-05-06T22:14:45 < Robin_> zlog
2013-05-06T22:14:45 < zlog_> Robin_: Log stored at http://tom-itx.dyndns.org:81/~tom-itx/irc/logs/%23%23stm32/2013-05-06.html
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2013-05-06T22:37:47 < Erlkoenig> uff. my F3 based controller will *not* be replaced by that FPGA board...
2013-05-06T22:43:22 < Robin_> Erlkoenig, nice
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2013-05-06T22:57:40 < Erlkoenig> however the judgement is a bit weird - "one control device, $5 in mass manufacturing, even if it actually costs $8000"
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2013-05-06T23:43:20 < GargantuaSauce> and the long-term cost of hiring developers who can use esoteric language features? ;)
2013-05-06T23:44:43 < Erlkoenig> hm actually most mechanical engineers know these
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2013-05-07T00:35:16 < upgrdman> jpa-: in case you case, i solder my sd card problem. sending 0xFF before the command and args fixed it. im now at the point where i can read bytes off of an sd card. yay for me :)
2013-05-07T00:35:24 < upgrdman> err *in case you care...
2013-05-07T00:35:33 < upgrdman> solved*
2013-05-07T00:35:48 < upgrdman> note to self: read text before pressing enter
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2013-05-07T01:27:30 < UweBonnes> gsmcmullin: Did you notive Paul' patches on the mailinglist?
2013-05-07T01:31:03 < UweBonnes> Good  night!
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2013-05-07T07:40:50 < dongs> http://www.digikey.com/product-detail/en/IRF8910TRPBF/IRF8910PBFCT-ND/827831
2013-05-07T07:40:53 < dongs> max power : 2W wat
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2013-05-07T08:44:53 < dongs> where's bairdy
2013-05-07T08:44:57 < dongs> probably larping it hard
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2013-05-07T10:03:45 < zyp> dongs, did you see the gerber
2013-05-07T10:03:46 < zyp> ?
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2013-05-07T10:28:20 < dongs> yes
2013-05-07T10:28:27 < dongs> might have some stencil to panel this week even
2013-05-07T10:28:30 < dongs> will let you know
2013-05-07T10:28:33 < dongs> i got hte 2nd version
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2013-05-07T10:55:40 < zyp> well, the first was an empty file :p
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2013-05-07T11:05:20 < Laurenceb_> epic rage
2013-05-07T11:06:06 < Laurenceb_> i get up early and travel several hundred miles to meet someone, then half way there they text me to say they are "feeling ill"
2013-05-07T11:06:29 < Laurenceb_> "can we meet on another day pls??"
2013-05-07T11:06:58 < Laurenceb_> so much fail
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2013-05-07T11:09:18 < jpa-> Laurenceb_ tried to meet a girl but she managed to escape
2013-05-07T11:09:29 < Laurenceb_> lol
2013-05-07T11:09:38 < Laurenceb_> work shit
2013-05-07T11:13:58 < Robint91> zlog
2013-05-07T11:13:58 < zlog_> Robint91: Log stored at http://tom-itx.dyndns.org:81/~tom-itx/irc/logs/%23%23stm32/2013-05-07.html
2013-05-07T11:14:01 < scrts> anyone using altium and have a subscription? need one library from their website :|
2013-05-07T11:14:29 < Robint91> Laurenceb_, lol
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2013-05-07T13:06:43 < Tectu> I'm confused... can somebody please tell me if I have to care of my signall going   D -> S   or   S -> D ?
2013-05-07T13:06:44 < Tectu> http://ch.farnell.com/analog-devices/adg719brtz-reel7/analog-switch-mehrfach-spdt/dp/1838893
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2013-05-07T13:42:23 < sterna1> Tectu: it should go both ways?
2013-05-07T13:42:38 < sterna1> you can use it a 1-2 switch or 2-1 switch
2013-05-07T13:42:54 < sterna1> the only thing in between is a resistor, right?
2013-05-07T13:44:38 < sterna1> Tectu: check the datasheet, p6
2013-05-07T13:45:20 < sterna1> "S1
2013-05-07T13:45:20 < sterna1> Source Terminal. Can be used as an input or output.
2013-05-07T13:45:20 < sterna1> D
2013-05-07T13:45:20 < sterna1> Drain Terminal. Can be used as an input or output.
2013-05-07T13:45:20 < sterna1> S2
2013-05-07T13:45:20 < sterna1> Source Terminal. Can be used as an input or output. "
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2013-05-07T13:58:55 < Tectu> sterna1, oh, thanks!
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2013-05-07T14:39:49 < Robint91> sigh
2013-05-07T14:39:55 < Robint91> crappy stlink is crappy
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2013-05-07T17:36:23 < qyx_> theres no way to use both 32bit timers and ethernet simultaneously on 100pin F4 :S
2013-05-07T17:37:03 < gxti> yeah i'm pretty sure ST designers throw darts at a board when pinning out ethernet
2013-05-07T17:37:05 < qyx_> i mean external channels
2013-05-07T17:37:11 < gxti> the goal is to stomp on as many peripherals as possible
2013-05-07T17:41:01 < qyx_> cannot be input capture somehow internally gated from another timer?
2013-05-07T17:44:56 < gxti> no but it's not that difficult to extend a 16 bit IC
2013-05-07T17:45:06 < gxti> in fact that's what i'm writing right now (for about the fourth time)
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2013-05-07T17:48:11 < gxti> you can either slave another timer to it to get the high-order bits, or just use a variable that increments every time the low-order timer rolls over, either way you'll have to do it from an interrupt
2013-05-07T17:48:23 < gxti> granted in my case it's entirely reasonable because i have one capture per second, that may not be true for you
2013-05-07T17:51:06 < qyx_> yes but you have to handle that time between capture occurs and you increment counter
2013-05-07T17:51:17 < qyx_> no
2013-05-07T17:51:37 < qyx_> between overflow and incrementing counter, there is interrupt delay
2013-05-07T17:53:31 < gxti> there's an overly complicated but bulletproof way to handle that, now i'm thinking about finding a simpler way.
2013-05-07T17:54:23 < gxti> the complicated way is to have a timer interrupt that fires 1/4 and 3/4 through the period of the capturing timer, and sample the capture register instead of interrupting. that way you can be quite sure by looking at the capture value and whether it's < or > 1/2 the period which "epoch" it's from.
2013-05-07T17:55:10 < gxti> of course if your interrupt priorities are backwards you can still get wrong answers
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2013-05-07T17:56:29 < qyx_> hmm
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2013-05-07T18:04:42 < gxti> unfortunately this generation of the code no longer deliberately servos the timer so the capture hits right at zero, so i might have to go back to that to validate the simple input scheme
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2013-05-07T18:09:52 < qyx_> and if you slave two timers and then capture both at once?
2013-05-07T18:10:51 < gxti> less bad but still not perfect
2013-05-07T18:11:18 < gxti> the two inputs will have separate synchronizers so if a pulse hits right before the timer rolls over one synchronizer might go high one clock earlier than the other and you're in trouble.
2013-05-07T18:11:34 < qyx_> thats true
2013-05-07T18:12:06 < gxti> it might be ok if you have two timers on the same pin, not sure what the precise architecture of digital inputs is.
2013-05-07T18:12:20 < qyx_> another approach, apart from interrupts you have the capability to do dma request
2013-05-07T18:12:36 < qyx_> theoretically you can use that to save value of slaved counter
2013-05-07T18:13:01 < qyx_> when capture occurs on master timer
2013-05-07T18:15:08 < gxti> dmas have latency and contention too, and even without that you'll have to suss out exactly what the behavior is around rollover
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2013-05-07T18:22:34 < gxti> bleh, looks like there's no way to make it unambigious without the sampling mode
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2013-05-07T18:27:32 < qyx_> hmm
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2013-05-07T18:28:08 < qyx_> if you slave two timers, we actually need to handle the situation when capture occurs right before master timer overflow
2013-05-07T18:28:26 < qyx_> and slave timer increments prior to ISR execution
2013-05-07T18:29:03 < gxti> that's why i have a sampling interrupt at 1/4 and 3/4 of the capture period
2013-05-07T18:29:12 < gxti> at the 1/4 period if you see a value > 1/2 then it's from the previous epoch
2013-05-07T18:29:16 < qyx_> ist there timer overwlof interrupt flag?
2013-05-07T18:29:23 < qyx_> it has to be if interrupt can be generated
2013-05-07T18:29:40 < gxti> don't know about overflow, again my case the captures are sparse enough that i can afford to do this
2013-05-07T18:29:40 < qyx_> we simply could check that to see if overflow occured
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2013-05-07T18:30:43 < gxti> oh, timer overflow, not capture overflow. yes, of course.
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2013-05-07T18:31:49 < qyx_> yep, timer owerflow of the master timer
2013-05-07T18:31:53 < gxti> pondering some more
2013-05-07T18:32:02 < qyx_> but cannot find that
2013-05-07T18:32:06 < gxti> i think i gave up too quickly on the simple approach
2013-05-07T18:32:16 < qyx_> update event should be generated on overflow
2013-05-07T18:32:29 < gxti> SR_UIF?
2013-05-07T18:32:50 < gxti> that's what i was using but i was interrupting on that as well, not sure if it's set otherwise
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2013-05-07T18:34:59 < qyx_> yes, UIF
2013-05-07T18:40:06 < qyx_> i think the interrupt flags are set regardless of interrupt being enabled or not
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2013-05-07T19:35:25 < gxti> i presume so as well
2013-05-07T19:35:41 < Robint91> and coocox isn't letting me debug
2013-05-07T19:44:18 < gxti> hmm, so the thing i thought would work is nonsense
2013-05-07T19:47:15 < gxti> previously i was able to measure period quite reliably using master/slave timer with the master resetting on capture and triggering an interrupt to reset the slave as well
2013-05-07T19:47:58 < gxti> so it looks like i can either do the twice-per-period sampling approach, or capture the period like that and accumulate it to get phase
2013-05-07T19:48:32 < Posterdati> hi
2013-05-07T19:49:18 < gxti> i wonder if i can fold the sampling method all into a single timer by using output compare
2013-05-07T19:49:23 < Posterdati> I've got a problem linking with gcc, if I use it programs hardfault executing __mulsf3 (stm32f107)
2013-05-07T19:50:03 < zyp> Posterdati, I've explained your problem before, did you miss it?
2013-05-07T19:50:04 < gxti> i need at least one free-running timer for NTP stuff, and it would be nice if all the input captures were referenced to values on the same time scale, so for my application that might be optimal
2013-05-07T19:50:23 < gxti> not that i'm running low on timers, it just seems more elegant that way
2013-05-07T19:50:33 < Posterdati> zyp: sorry, where?
2013-05-07T19:50:43 < zyp> hang on, I'll find the log
2013-05-07T19:51:03 < Posterdati> tx
2013-05-07T19:51:19 < zyp> http://tom-itx.dyndns.org:81/~tom-itx/irc/logs/%23%23stm32/2013-05-05.html#19:03:14
2013-05-07T19:52:00 < zyp> see 19:10
2013-05-07T19:52:50 < Posterdati> yes, I missed
2013-05-07T19:53:02 < Posterdati> I'm going to see those sites
2013-05-07T19:53:12 < zyp> :)
2013-05-07T19:53:17 < zyp> just ask if anything is unclear
2013-05-07T19:53:42 < Posterdati> the first is a working toolchain?
2013-05-07T19:54:21 < zyp> it's «the» toolchain, so I highly suggest using that unless you have a good reason for using something else
2013-05-07T19:54:30 < Posterdati> no no
2013-05-07T19:54:33 < Posterdati> I'll use that
2013-05-07T19:54:48 < Posterdati> is the one you are using?
2013-05-07T19:54:55 < zyp> yes
2013-05-07T19:55:13 < Posterdati> good
2013-05-07T19:55:21 < Posterdati> I need c++ compilation too
2013-05-07T19:55:48 < zyp> that works fine, I'm also using c++
2013-05-07T19:55:59 < Posterdati> ok
2013-05-07T19:59:09 < Posterdati> zyp: I compiled a toolchain by myself but I've got problem using it
2013-05-07T19:59:23 < Posterdati> especially a lot of compiling error that I haven't got when using codesourcery
2013-05-07T19:59:28 < zyp> why not just use one of the prebuilt ones?
2013-05-07T19:59:39 < zyp> they have prebuilt ones for all common OS-es
2013-05-07T20:00:45 < Posterdati> I'll use what you suggested
2013-05-07T20:00:50 < Posterdati> right now
2013-05-07T20:00:55 < Posterdati> I'm downloading it
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2013-05-07T20:07:24 < Posterdati> zyp: I'm using it
2013-05-07T20:07:34 < Posterdati> zyp: no compiling error :)
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2013-05-07T20:08:50 < Robint91> I will give money to a decent dev enviroment
2013-05-07T20:08:57 < Robint91> that doesn't do wried shit
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2013-05-07T20:10:22 < gxti> qyx_: this seems work well: https://gist.github.com/mtharp/5534310
2013-05-07T20:10:45 < gxti> although it periodically prints twice the correct value, probably some stupid race in getting the value out
2013-05-07T20:10:58 < gxti> no +/- timer period glitches though
2013-05-07T20:11:15 < gxti> it's the same as what i had before but uses 1/3 as many timers
2013-05-07T20:13:50 < Posterdati> zyp: program compiles but I've got the hardfault on __mulsf3 :(
2013-05-07T20:16:18 < zyp> even with that compiler?
2013-05-07T20:16:24 < karlp> share your makefiule
2013-05-07T20:16:24 < zyp> then you are using wrong flags
2013-05-07T20:16:36 < karlp> I bet you're giving it a -L flag tot he toolchain
2013-05-07T20:16:57 < zyp> ah, good point
2013-05-07T20:17:10 < zyp> I tend to forget about that pitfall :)
2013-05-07T20:17:43 < Posterdati> zyp: I use the flags you told me on that site
2013-05-07T20:17:54 < karlp> Posterdati: how about actually showing us :)
2013-05-07T20:18:04 < Posterdati> zyp: but I found that static_cast<>() is the problem
2013-05-07T20:18:07 < zyp> listen to karlp
2013-05-07T20:18:15 < zyp> no, static_cast is not the problem
2013-05-07T20:18:25 < karlp> if "arm-none-eabi-objdump -a blah.elf | grep blx" is in the code, you _will_ have fail
2013-05-07T20:18:45 < karlp> and if you'ðre still getting that with the toolchain from gcc-arm-embedded on launchpad,
2013-05-07T20:18:47 < zyp> static_cast may trigger the problem, but does not cause it
2013-05-07T20:19:24 < karlp> my prime suspects would be a) not actually using the toolchain you think, (chekc your path) and b) giving "unhelpful" compiler flags, prime suspect being -L some/path/into/the/toolchain
2013-05-07T20:19:58 < karlp> if you don't want to /can't share the makefile, at least share a line of the compiler command line that was used
2013-05-07T20:20:27 < Posterdati> karlp: wait
2013-05-07T20:20:33 < Posterdati> karlp: I'm preparing the files
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2013-05-07T20:24:23 < zyp> you don't have to prepare anything, just pastebin the output of the compile log
2013-05-07T20:24:32 < zyp> that's much simpler for us to read anyway
2013-05-07T20:28:54 < Posterdati> ok
2013-05-07T20:29:40 < Posterdati> pastebin.com/ffqFc7Zz
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2013-05-07T20:30:46 < Posterdati> karlp, zyp: ok?
2013-05-07T20:32:12 < karlp> looks ok to me, is arm-none-eabi-gcc the thing you expect?
2013-05-07T20:32:32 < karlp> also, is that binary gcc/euler.axf still the one that hardfaults on the call to mul?
2013-05-07T20:32:47 < karlp> also, the files in ../stm32f10x_library
2013-05-07T20:32:56 < karlp> are they compiled by you or something else?
2013-05-07T20:33:20 < Posterdati> karlp: I found that is not actualli mulsf3, but a static_cast<>() in it
2013-05-07T20:33:36 < karlp> whatever, does you code have a blx <label> in it?
2013-05-07T20:33:45 < Posterdati> karlp: stm32f10x_library is compiled using same toolchain from source
2013-05-07T20:34:01 < Posterdati> karlp: wait I'll search it
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2013-05-07T20:39:10 < Posterdati> I'm trying to recompile the library, got problem with STREXB code (again!)
2013-05-07T20:40:01 < zyp> no, it's not ok
2013-05-07T20:40:22 < Posterdati> what?
2013-05-07T20:40:23 < karlp> (zyp's better at spotting these things that I am)
2013-05-07T20:40:32 < zyp> you also need «-mcpu=cortex-m3 -mthumb» to the linking step, because that's where multilib selection happens
2013-05-07T20:40:38 < karlp> oh doh, yeah
2013-05-07T20:40:53 < karlp> that's another one that I fell in a few times in the past
2013-05-07T20:41:05 < Posterdati> zyp: aaah
2013-05-07T20:41:16 < Posterdati> zyp: good point
2013-05-07T20:41:17 < karlp> is -mthumb realllly needed?
2013-05-07T20:41:30 < karlp> surely that's inferred from -mcpu=cortex-m3?
2013-05-07T20:41:59 < zyp> karlp, GAE readme says you should have it, so I assume it's not
2013-05-07T20:42:56 < zyp> for cortex-r and cortex-a the readme says that you may use it
2013-05-07T20:43:47 < karlp> gcc docs don't say it's implied either, guess you must
2013-05-07T20:43:48 < gxti> mooltilib
2013-05-07T20:44:11 < karlp> you don't need the -mfix-cortex-m3-ldrd anymore though
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2013-05-07T20:44:50 < zyp> what was that about? I've never used it
2013-05-07T20:45:33 < karlp> older versions you apparently needed to explicitly add it, even with -mcpu=cortex-m3
2013-05-07T20:45:58 < karlp> and if you use -march=armv7m instead of -mcpu, then you need to add it explicitly
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2013-05-07T20:46:08  * karlp shrugs, you see it in a lot of "example" makefiles on the web.
2013-05-07T20:46:43 < zyp> I've only been into this for two years now, so my experience may be too young to have encountered it :)
2013-05-07T20:47:10 < Posterdati> got problem with __STREXB compilation
2013-05-07T20:47:11 < karlp> I'm in it for less, but I saw it in a lot of makefiles when I was getting started.
2013-05-07T20:47:20 < karlp> and in the errata sheets
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2013-05-07T21:00:05 < Posterdati> I cannot compile core_cm3.c (__STREXB problem)
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2013-05-07T21:03:37 < gxti> Posterdati: sec
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2013-05-07T21:06:00 < Posterdati> implicit declaration of asm
2013-05-07T21:06:22 < karlp> get a newer stdperiph lib
2013-05-07T21:06:24 < gxti> Posterdati: https://gist.github.com/mtharp/5ca618c23028ffd7f762
2013-05-07T21:06:26 < karlp> this is a known bug
2013-05-07T21:06:49 < gxti> ignore the ^M, silly lunix
2013-05-07T21:06:58 < karlp> (they have fixed that in newr downloads right? or is the problem only in the newer downloads?)
2013-05-07T21:07:22 < gxti> i haven't used stdperiph in a while
2013-05-07T21:07:27 < karlp> also, did you search for that error at all posterdati?
2013-05-07T21:07:34 < gxti> no
2013-05-07T21:07:34 < karlp> https://answers.launchpad.net/gcc-arm-embedded/+question/217817
2013-05-07T21:07:35 < gxti> he did not
2013-05-07T21:07:41 < Posterdati> yes, I've corrected in the past
2013-05-07T21:07:45 < gxti> but i was feeling helpful for some reason
2013-05-07T21:07:53 < gxti> won't happen again
2013-05-07T21:08:00 < karlp> :)
2013-05-07T21:08:53 <+Steffanx> we all love you gxti
2013-05-07T21:09:36 <+Steffanx> for it
2013-05-07T21:10:33 < Posterdati> gxti: yes I fixed with something like register uint32_t result asm ("r2");
2013-05-07T21:10:54 < Posterdati> gxti: and it worked before, but your solution is much better, thanks!
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2013-05-07T21:41:32 < Posterdati> zyp: which is the linker script to use with stm32f107?
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2013-05-07T22:01:03 < Posterdati> zyp: arm-none-eabi-g++: error: nano.specs: No such file or directory :(
2013-05-07T22:04:41 < PaulFertser> Posterdati: show your full gcc invocation line please
2013-05-07T22:05:02 < Posterdati> arm-none-eabi-g++ -Wl,--start-group -Teuler.ld --entry Reset_Handler -mcpu=cortex-m3 -mthumb -gc-sections -nostartfiles --specs=nano.specs -L../stm32f10x_library -L/opt/gcc-arm-none-eabi-4_7-2013q1/arm-none-eabi/lib/ldscripts -o gcc/euler.axf gcc/startup_cl.o gcc/stm32f10x_it.o gcc/stm32f107.o gcc/system_stm32f10x.o gcc/usbd_core.o gcc/usbd_hid_core.o gcc/usbd_req.o gcc/usbd_ioreq.o gcc/usb_core.o
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2013-05-07T22:07:20 < Posterdati> arm-none-eabi-g++ -Wl,--start-group -Teuler.ld --entry Reset_Handler -mcpu=cortex-m3 -mthumb -gc-sections -nostartfiles --specs=nano.specs -L../stm32f10x_library -L/opt/gcc-arm-none-eabi-4_7-2013q1/arm-none-eabi/lib/ldscripts -o gcc/euler.axf gcc/startup_cl.o gcc/stm32f10x_it.o gcc/stm32f107.o gcc/system_stm32f10x.o gcc/usbd_core.o gcc/usbd_hid_core.o
2013-05-07T22:07:25 < Posterdati> gcc/usbd_req.o gcc/usbd_ioreq.o gcc/usb_core.o gcc/usb_dcd.o gcc/usb_dcd_int.o gcc/usb_bsp.o gcc/usbd_usr.o gcc/usbd_desc.o gcc/i2c.o gcc/l3gd20.o gcc/lsm303dlhc.o gcc/buffer.o gcc/servo.o gcc/kernel.o gcc/algebra.o gcc/pid.o gcc/dcm.o gcc/main.o ../stm32f10x_library/gcc/libstm32f107.a -lgcc -lc -lc -lm -lnosys -Wl,--end-group
2013-05-07T22:08:32 < PaulFertser> Posterdati: eh, please do not paste that much in any IRC channel
2013-05-07T22:09:11 < PaulFertser> Posterdati: hm, probably nano.specs is only for plain C, not C++. Does it work for you with a sample C project?
2013-05-07T22:09:31 < Posterdati> don't know
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2013-05-07T22:26:20 < jpa-> Posterdati: so does your toolchain come with nano.specs or not?
2013-05-07T22:26:45 < Posterdati> yes
2013-05-07T22:27:00 < jpa-> maybe try giving full path or something?
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2013-05-07T23:04:24 < Posterdati> there aren't blx instructions in my pogram
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2013-05-07T23:50:44 < karlp> Posterdati: ok, one step forward then :)
2013-05-07T23:53:51 < Posterdati> sure
2013-05-07T23:54:07 < Posterdati> I think I've got stack/heap problem
2013-05-07T23:57:43 < Posterdati> however this new toolchain is smarter than codesourcery one
2013-05-07T23:59:15 < zyp> of course it is, codesourcery is outdated shit
--- Day changed Wed May 08 2013
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2013-05-08T00:00:35 < karlp> because mentor doesn't care anywhere near as much as the old CS folk did :)
2013-05-08T00:02:38 < Posterdati> zyp: you're right
2013-05-08T00:03:18 < zyp> I tend to be
2013-05-08T00:03:23 < zyp> except for when I'm wrong :)
2013-05-08T00:03:27  * karlp giggles
2013-05-08T00:06:59 < Posterdati> lol
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2013-05-08T00:37:32 < zyp> have we already laughed about the infineon advert?
2013-05-08T00:37:37 < zyp> i.e. https://www.youtube.com/watch?v=5p1fmLu3XoA
2013-05-08T00:37:57 < karlp> oh my god
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2013-05-08T00:41:22 < qyx_> lol
2013-05-08T00:41:38 < Erlkoenig> if it goes viral, they achieved their goal...
2013-05-08T00:42:11 < zyp> that's probably what they hoped
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2013-05-08T00:43:39 < Erlkoenig> no "ARM" mentioned. bad for them :->
2013-05-08T00:47:33 <+Steffanx> Erlkoenig congratz btw :P
2013-05-08T00:47:37 <+Steffanx> With your victory
2013-05-08T00:47:52 < Erlkoenig> ha thanks  ;-)
2013-05-08T00:49:06 < Erlkoenig> currently thinking about including an 1MByte Serial Flash onto the PCB with the F3, to save error logs and configuration parameters. Does that make sense? Or is it generally more advisable to use a bigger µC with more flash?
2013-05-08T00:49:37 < Erlkoenig> external flash also has better endurance...
2013-05-08T00:49:45 < gxti> that is a sensible thing to do
2013-05-08T00:50:05 < gxti> depending on how much you want and how convenient you want it, you could even go for microsd
2013-05-08T00:50:06 <+Steffanx> sd card is more easy for basic people :P
2013-05-08T00:50:10 < ds2> Erlkoenig: which flash supplier?
2013-05-08T00:50:18 <+Steffanx> or microsd like mr gxti said
2013-05-08T00:50:26 < Erlkoenig> supplier doesn't matter much i guess :D
2013-05-08T00:50:37 < Erlkoenig> quick first shot found a "AMIC - A25L080M-F"
2013-05-08T00:50:59 < Erlkoenig> hm yeah microsd... is possibly a bit bigger, will talk with the layouting guy whether that fits
2013-05-08T00:51:10 < karlp> usd man, you're not making 10000 of them, then you can easily get logs off for analysis later/offline too
2013-05-08T00:51:15 < ds2> it doesn't but I am trying find out who makes the larger serial flashes
2013-05-08T00:53:33 < Erlkoenig> hmhm okay... pcb space is critical so we'll see
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2013-05-08T00:55:33 < GargantuaSauce> there are vertical microsd slots
2013-05-08T00:56:07 < Erlkoenig> hmhmmm
2013-05-08T00:57:03 < Erlkoenig> the only way to keep a RTC (like the of the STM32's) running is including a battery, i guess?
2013-05-08T00:57:32 < GargantuaSauce> or a supercap
2013-05-08T00:58:31 < Erlkoenig> would a small one suffice for keeping the RTC running for a few days?
2013-05-08T00:59:13 < GargantuaSauce> i dont know how much current the ones in question draw but i would imagine so
2013-05-08T01:00:11 < karlp> Erlkoenig: aren't you building a car? how is pcb space limited for a uSD slot?
2013-05-08T01:00:36 < Erlkoenig> as far as i got it, the place where this specific PCB goes is small
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2013-05-08T01:04:08 < Erlkoenig> hm datasheet says max typ 0.8µA, max 1.1 µA for the STM32F3's
2013-05-08T01:04:09 < Erlkoenig> RTC
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2013-05-08T01:07:09 < GargantuaSauce> i have some little .33F caps, and my napkin math tells me 2-ish weeks
2013-05-08T01:11:00 < GargantuaSauce> this is a research vehicle right? if there's gps onboard all the rtc has to do is fill in the gaps anyway
2013-05-08T01:11:00 < Erlkoenig> hm assuming the usual RC-discharging curve i'd need 0.33F for 1 week
2013-05-08T01:11:15 < Erlkoenig> no gps sorry ^^
2013-05-08T01:12:13 < Erlkoenig> the goldcap would have the advantage that it can be charged in circuit unlike a button cell
2013-05-08T01:12:22 < GargantuaSauce> yep
2013-05-08T01:12:37 < GargantuaSauce> and would handle the extremes of temperature much better
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2013-05-08T01:13:59 < Erlkoenig> i imagine connecting a USB->CAN adapter to the car at the beginning of a racing event, setting the clock manually, then having the RTC running from the goldcap which would be charged whenever the car is on
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2013-05-08T01:15:25 < BrainDamage> you might as well do it wireless :p
2013-05-08T01:16:01 < Erlkoenig> yup possibly
2013-05-08T01:16:26 < GargantuaSauce> i am surprised at the lack of gps, it strikes me as worth having and not exactly big
2013-05-08T01:16:32 < Erlkoenig> also for logging and parameter configuration... i guess a bluetooth->TTL UART adapter is the most simple and most powerful (range) solution?
2013-05-08T01:16:56 < GargantuaSauce> bluetooth is kind of a pain
2013-05-08T01:16:57 < Erlkoenig> the car is driving in loops with a diameter of 100m, a GPS isn't worth a lot here
2013-05-08T01:17:03 < Erlkoenig> really? hum
2013-05-08T01:17:12 < GargantuaSauce> personally i have a huge boner for the nordic microwave transceivers
2013-05-08T01:17:18 < BrainDamage> +1
2013-05-08T01:18:15 < GargantuaSauce> the nrf24l01+ and amplifiers would enable constant radio contact i bet
2013-05-08T01:18:54 < Erlkoenig> i'd have to run without special radio license... and building amp's sounds like it needs knowledge :D
2013-05-08T01:19:10 < GargantuaSauce> china to the rescue
2013-05-08T01:19:19 < karlp> he doesn't have room for a uSD card slot, but he wants to add radios?!
2013-05-08T01:19:24 < GargantuaSauce> and it's the same band as wifi, unlicensed to like 100mW or something
2013-05-08T01:19:34 < Erlkoenig> well the radios would be but on a different board probably
2013-05-08T01:20:03 < Erlkoenig> because my "main" board is not in a place where an antenna would be effective...
2013-05-08T01:20:15 < BrainDamage> the amplifiers are a module
2013-05-08T01:20:26 < BrainDamage> on same board of the nrf chip
2013-05-08T01:20:35 < BrainDamage> actual size is roughly 2* uSD card
2013-05-08T01:20:59 < BrainDamage> also, how the fuck can you not have room for a usd in a rc car ?!
2013-05-08T01:21:20 < Erlkoenig> because as far as i got it this specific PCB has to go in a place where there is not much room
2013-05-08T01:21:29 < Erlkoenig> i will talk to the electric guy, maybe there is space
2013-05-08T01:21:31 < GargantuaSauce> http://www.ebay.com/itm/121064278513
2013-05-08T01:21:35 < GargantuaSauce> stupidly simple to work with
2013-05-08T01:22:04 < Erlkoenig> aren't they for <$1 on ebay somewhere? :D
2013-05-08T01:22:13 < Erlkoenig> well without antenna probably
2013-05-08T01:22:14 < GargantuaSauce> the unamplified ones are yes
2013-05-08T01:22:18 < Erlkoenig> ah.
2013-05-08T01:22:46 < Erlkoenig> bluetooth would have the advantage that the PC-Side is ready
2013-05-08T01:22:55 < GargantuaSauce> this is true
2013-05-08T01:23:05 < GargantuaSauce> personally i'd prioritize having real-time telemetry from the ground though
2013-05-08T01:23:21 < Erlkoenig> telemetry as in position of the car?
2013-05-08T01:23:30 < qyx_> i bought them for 1.5usd with pcb F antenna
2013-05-08T01:23:32 < GargantuaSauce> as in whatever the hell you want to send
2013-05-08T01:23:53 < Erlkoenig> yes that is planned - wheel temperatures, velocity, brake pressure, damper stroke
2013-05-08T01:24:01 < GargantuaSauce> yeah exactly
2013-05-08T01:24:03 < BrainDamage> telemetry is arbitrary sensor transmission
2013-05-08T01:24:04 < GargantuaSauce> all the engine sensors
2013-05-08T01:24:08 < zyp> karlp, I enjoy your contiki articles :)
2013-05-08T01:24:19 < Erlkoenig> ah battery voltage and temperature
2013-05-08T01:24:27 < Erlkoenig> well but only after the other important stuff works...
2013-05-08T01:24:41 < BrainDamage> make sure to add the ACF command
2013-05-08T01:24:46 < BrainDamage> alt and catch fire
2013-05-08T01:25:09 < Erlkoenig> ... which requires design of the main controller wich would be convenient if it already included everything needed in the future, such as the RTC
2013-05-08T01:25:14 < Erlkoenig> errm what :D
2013-05-08T01:25:39 < karlp> zyp: thanks :)
2013-05-08T01:25:44 < karlp> slow, smallll steps
2013-05-08T01:25:49 < karlp> getting somewhere I guess
2013-05-08T01:26:00 < BrainDamage> are you porting contiki to stm32?
2013-05-08T01:26:07 < karlp> already working for the core,
2013-05-08T01:26:12 < karlp> about to start on a radio driver
2013-05-08T01:26:15 < BrainDamage> iirc only supported the w series, and really bad anyway
2013-05-08T01:26:22 < karlp> yeah, that was an appalling port
2013-05-08T01:26:54 < karlp> jeff cielsisksskss (sp) did a libopencm3 port for the f102, and I've overhauled it so it should work for most stm32s supported by libopencm3 now
2013-05-08T01:27:12 < karlp> but it's still a work in progress.
2013-05-08T01:27:18 < BrainDamage> the mesh networking bit quite interesting, I've kept meaning to check it but never bothered :/
2013-05-08T01:27:35 < karlp> yeah, well the low power radio stuff with full ipv6 is what interests me
2013-05-08T01:28:23 < Erlkoenig> i like how libopencm3 copies all the failures from the ST StdPeriph lib
2013-05-08T01:28:41 < karlp> it has _one_ glaring fail in the api, the rest of it's pretty good
2013-05-08T01:28:45 < karlp> at least, I think so :)
2013-05-08T01:28:58 < karlp> the rcc clock enable api is a fail, that's well recognised.
2013-05-08T01:29:05 < zyp> yeah
2013-05-08T01:29:33 < karlp> but it's one of the oldest bits too, so it's somewhat understandable
2013-05-08T01:30:28 < Erlkoenig> as it seems from the docs there is no "pin" datatype which refers to exactly one pin. to completely identify one pin, you still need port number, pin number, RCC Clock Number, RCC Clock Type (like APB1)
2013-05-08T01:30:47 < karlp> ye syes, we know you like your massive c++ chunk.
2013-05-08T01:30:49 < Erlkoenig> my lib has one "pin" class where one instance contains everything needed to refer to one pin
2013-05-08T01:30:52 < Erlkoenig> huehue
2013-05-08T01:31:22 < zyp> oh, I read some code at work today
2013-05-08T01:32:20 < Erlkoenig> i wrote a 300-Line-C++ Program which took 44sec to compile. i decided to not use template recursion then...
2013-05-08T01:32:22 < zyp> it had two functions like sfoo(some_enum e) and ufoo(some_enum e), with some_enum containing stuff like FOO_SINT_BAR and FOO_UINT_BAZ
2013-05-08T01:32:46 < zyp> with some comments to justify that «this way it looks obviously wrong!»
2013-05-08T01:33:23 < zyp> (if you use an invalid function/argument combination)
2013-05-08T01:34:03 < Erlkoenig> sounds weird
2013-05-08T01:34:14 < zyp> so I just thought to myself that looking obviously wrong never stopped anybody from setting the bus enable bits in the wrong register
2013-05-08T01:35:02 < zyp> it's some function to read registers from a modbus device, and the registers may be either signed or unsigned, and you don't want to use the signed function for unsigned reads and stuff like that
2013-05-08T01:35:58 < Erlkoenig> is the registers' signedness known at compile/development time?
2013-05-08T01:36:02 < karlp> whee modbus! let's make an api that's based on uint16s, and never ever ever update it
2013-05-08T01:36:11 < zyp> Erlkoenig, yes, therefore the names
2013-05-08T01:36:18 < gxti> they hadn't invented negative numbers yet
2013-05-08T01:36:34 < gxti> and bits were so expensive that 16 was all you could afford, 18 tops!
2013-05-08T01:36:57 < Erlkoenig> i guess even in C you could write somthing that automatically checks at compile time whether you are trying to read an unsigned register with a signed function or uses the correct function automatically...
2013-05-08T01:37:12 < zyp> yes
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2013-05-08T01:38:32 < zyp> I'd just use int32_t for the function since both uint16_t and int16_t will fit into it and just convert to the appropriate value before returning
2013-05-08T01:39:13 < Erlkoenig> somday i will write a gcc patch to have the generated code make use of STM32's bit banding... ^.^
2013-05-08T01:39:36 < zyp> but this guy doesn't appear to be as lazy as me
2013-05-08T01:40:20 < zyp> I think this is the same guy that invented the foo_bar_set_led(FOO_BAR_LED_COLOR_GREEN, FOO_BAR_LED_STATE_ON) API
2013-05-08T01:40:40 < Erlkoenig> moar enums!
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2013-05-08T01:41:38 < zyp> the best part is the state argument
2013-05-08T01:41:47 < zyp> reinventing bool seems so useful
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2013-05-08T01:42:12 < Erlkoenig> stdperiph lib did that too, so it must be good
2013-05-08T01:42:20 < Erlkoenig> well C doesn't have bool ;)
2013-05-08T01:42:41 < zyp> C99 does
2013-05-08T01:43:40 < Erlkoenig> hmyes
2013-05-08T01:44:02 < zyp> it's even used by the led blinky demo
2013-05-08T01:44:48 < zyp> it has a bool state that toogles then foo_bar_set_led(FOO_BAR_LED_COLOR_GREEN, state ? FOO_BAR_LED_STATE_ON : FOO_BAR_LED_STATE_OFF);
2013-05-08T01:45:22 < Erlkoenig> pretty :D
2013-05-08T01:45:26 < zyp> yeah
2013-05-08T01:45:32 < Erlkoenig> my GPIO access class has a .toggle() function \o/
2013-05-08T01:45:37 < zyp> nonlazy people shouldn't be allowed to be API designers
2013-05-08T01:45:45 < zyp> Erlkoenig, so does mine
2013-05-08T01:45:52 < Erlkoenig> good ;)
2013-05-08T01:46:38 < zyp> oh, I found some other fun API stuff the other day too
2013-05-08T01:47:34 < zyp> take a look at ZMQ_RCVMORE here: http://api.zeromq.org/master:zmq-getsockopt
2013-05-08T01:47:43 < zyp> Option value type	int64_t
2013-05-08T01:47:43 < zyp> Option value unit	boolean
2013-05-08T01:48:18 < zyp> «oh, we need to store a 1-bit variable, let's just stuff it into the largest type we have»
2013-05-08T01:50:49 < Erlkoenig> maybe they need it because of alignment?
2013-05-08T01:51:03 < Erlkoenig> hm others are "int"... is that int64_t or int32_t...
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2013-05-08T01:54:18 < zyp> platform dependant of course
2013-05-08T01:54:40 < zyp> but int is commonly int32_t on both x86 and x86_64
2013-05-08T01:54:59 < Erlkoenig> oh hm
2013-05-08T01:55:01 < zyp> while long is int32_t on x86 and int64_t on x86_64
2013-05-08T01:55:04 < Erlkoenig> maybe some historically grown thing
2013-05-08T01:56:51 < Erlkoenig> when i today strolled out of uni Ranga Yogeshwar, a guy popular in germany for moderating science TV broadcasts, walked along... i was like woah and had to listen to his speech... :D
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2013-05-08T03:48:27 < karlp> I don't get the point in uint64.
2013-05-08T03:48:41 < karlp> if it's not big enough for an int63 is that bit really going to help?
2013-05-08T03:48:50 < karlp> make it all signed, be done with it
2013-05-08T03:49:27 < dongs> sup ragebloggers
2013-05-08T03:51:53 < karlp> brewin
2013-05-08T03:52:28 < dongs> changin dicknplace reels
2013-05-08T03:52:45 < karlp> doesn't sound like beer
2013-05-08T04:00:11 < R2COM> how about making footprint for 160pin connector, its like beer
2013-05-08T04:00:54 < qyx_> gxti: the simplest solution i have found is counting slave timer twice in each master timer period, first at 32767 and then at 65535
2013-05-08T04:01:26 < qyx_> gxti: then in input capture interrupt you read slave timer and resolve which case happened
2013-05-08T04:01:46 < gxti> qyx_: sounds similar
2013-05-08T04:01:55 < qyx_> if (master is in bottom half) & (slave is even) then both capture and interrupt happened with slave timer unchanged
2013-05-08T04:02:08 < qyx_> the same apply if master is in top half and slave is odd
2013-05-08T04:02:46 < qyx_> if master is in bottom half but slave is odd, slave increment happened between capture and interrupt and you save decremented slave counter value
2013-05-08T04:03:07 < Bird|lappy> karlp, uint64 is needed to serve as size_t
2013-05-08T04:03:15 < Bird|lappy> (on a 64bit platform)
2013-05-08T04:03:43 < Bird|lappy> also, signedness doesn't make sense for bit-vectors or bit-packed structures
2013-05-08T04:03:50 < gxti> qyx_: anyway that low-level capture stuff is working perfectly on one timer now, now i'm on the hard stuff
2013-05-08T04:05:27 < qyx_> i will be doing something similar as i need to absolutely time 6 input signals using 1pps input from gps
2013-05-08T04:05:43 < gxti> qyx_: you saw the paste, right?
2013-05-08T04:05:48 < qyx_> yep
2013-05-08T04:06:43 < qyx_> but at that time i wasnt able to use brain, it was left open on work pc
2013-05-08T04:07:40 < gxti> https://gist.github.com/mtharp/5534310
2013-05-08T04:07:43 < gxti> (repost)
2013-05-08T04:08:24 < gxti> it uses CC4 to trigger the sampling but you could use other approaches
2013-05-08T04:10:25 < qyx_> ah
2013-05-08T04:12:15 < karlp> Bird|lappy: yea yeah, always with logic and stuff
2013-05-08T04:12:33 < karlp> I just see lot sof places where an unsigned is used "because it will never be negative"
2013-05-08T04:12:49 < karlp> and they have warnings and undefined behaviours all over the place when they mix them with signed types
2013-05-08T04:12:49 < gxti> well, it won't. why not declare it that way?
2013-05-08T04:12:55 < karlp> and all they got is one more bit
2013-05-08T04:12:56 < Bird|lappy> karlp, yeah.  int is an int, unsigned is bits
2013-05-08T04:12:56 < gxti> good :p
2013-05-08T04:21:45 < dongs> R2COM: well, if you used a proper PCB cad it'd be like a 2 minute job
2013-05-08T04:22:19 < dongs> im sure its hell in eagle or geda or kikecad
2013-05-08T04:22:36 < dongs> altium has pads wizard shiz that you just enter A/B/C/D/etc dimensions from datasheet and it spits out a pattern
2013-05-08T04:22:50 < dongs> dicktrace isn't so leet but still has presets for pins in a row/line/zigzag/bga/etc
2013-05-08T04:25:42 < R2COM> dong I am done already with most of things. and sure I use proper pcb cad.
2013-05-08T04:25:48 < R2COM> dongs *
2013-05-08T04:25:57 < dongs> what do you use? cadstar or something?
2013-05-08T04:25:59 < dongs> ^_^
2013-05-08T04:26:03 < R2COM> Allegro
2013-05-08T04:26:13 < dongs> ugh
2013-05-08T04:26:44 < R2COM> in fact, for some of my high pin count connectors, manufacturer supplies footptints
2013-05-08T04:26:57 < dongs> yeah, i alwatys forget to check manufacturers for that shit
2013-05-08T04:26:59 < R2COM> just download them, throw them in my folder, and that it
2013-05-08T04:27:09 < dongs> usually faster to just make
2013-05-08T04:27:14 < dongs> shrugs
2013-05-08T04:27:25 < R2COM> no its not. download and put in takes < 40 seconds
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2013-05-08T05:12:11 < dongs> http://images.4chan.org/g/src/1367978682371.jpg attn emeb
2013-05-08T05:13:44 < BrainDamage> I spot some audiophile marks
2013-05-08T05:13:59 < BrainDamage> the point suspenders on the speakers "anti vibration"
2013-05-08T05:14:05 < BrainDamage> and the cable suspenders
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2013-05-08T05:15:19 < gxti> amateur, some of those cables are touching the floor
2013-05-08T05:17:21 < BrainDamage> also, holy shit @ oversized cables
2013-05-08T05:17:34 < BrainDamage> and are those common mode chokes on single conductors? :s
2013-05-08T05:18:37 < gxti> ferrites if anything, and they don't do much at audio frequency
2013-05-08T05:18:57 < gxti> ... i think
2013-05-08T05:19:02 < gxti> could just be rocks though!
2013-05-08T05:19:12 < dongs> shut hte fuck up
2013-05-08T05:19:15 < dongs> it widens my soundstage
2013-05-08T05:19:27 < gxti> so does my fist
2013-05-08T05:35:52 < dongs> kekeke
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2013-05-08T06:16:39 < dongs> http://i.imgur.com/TzUwTUK.jpg lol
2013-05-08T06:17:17 < dongs> damn thees CP2102s are fresh
2013-05-08T06:17:21 < dongs> 1305 datecode
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2013-05-08T11:20:12 < jpa-> bah.. our sales guy is trying to argue that HW and SW should be part of the same release, even though we have full backward compatibility (so far) and the hw is not even going to update in the foreseeable future
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2013-05-08T11:20:49 < jpa-> i.e. apparently we should have 2013Q1, 2013Q2, 2013Q3, 2013Q4 releases of the hardware also, even if they are all the same
2013-05-08T11:22:30 < zyp> what's a release?
2013-05-08T11:23:03 < zyp> I mean, this hardware release,
2013-05-08T11:23:06 < jpa-> a new fully-tested version of software, so far
2013-05-08T11:23:16 < jpa-> and so far hardware release has been a new version of pcb
2013-05-08T11:23:49 < jpa-> i really can't understand his point => very heated email argument :D
2013-05-08T11:23:56 < zyp> so you are going to do new pcb versions every once in a while just for the sake of doing it?
2013-05-08T11:24:05 < jpa-> no way
2013-05-08T11:24:20 < jpa-> but if he gets his way, we are going to call them new names every once in a while
2013-05-08T11:24:37 < jpa-> even if it is exactly the same pcb
2013-05-08T11:24:58 < jpa-> his argument "not all parts of the software update either, and still the whole software is named a new release"
2013-05-08T11:25:21 < zyp> «not all parts» is different from «no parts»
2013-05-08T11:26:09 < zyp> you don't name a new software release without any changes
2013-05-08T11:27:28 < jpa-> indeed
2013-05-08T11:27:40 < jpa-> but he argues that they all form a single product
2013-05-08T11:27:45 < zyp> but the important point is that the hardware and software are on independent release cycles
2013-05-08T11:28:37 < zyp> and since you have compatibility, a given software release would work on any hardware
2013-05-08T11:29:07 < jpa-> yeah; maybe he is missing out on the compatibility because not all of our products are that great about it
2013-05-08T11:30:00 < jpa-> but we are planning to sell software upgrades for this one in the future, so it better be compatible
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2013-05-08T12:55:24 < dongs> attn zyp https://youtube.com/watch?v=GyD5uDPhNjU
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2013-05-08T13:05:01 < Laurenceb_> http://www.micronradiocontrol.co.uk/sales.html
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2013-05-08T13:09:11 < Posterdati> hi
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2013-05-08T13:35:57 < Posterdati> hi
2013-05-08T13:36:09 < Posterdati> please I found a blx instruction in my code
2013-05-08T13:36:25 < Posterdati> it's relative to pow library function
2013-05-08T13:37:23 < Posterdati> is blx the arm instruction to return in arm mode after thumb code execution?
2013-05-08T13:39:28 < jpa-> blx <immediate> is
2013-05-08T13:39:32 < jpa-> blx <register> is ok
2013-05-08T13:39:58 < jpa-> if you get blx <immediate> then you haven't set -mcpu=cortex-m3
2013-05-08T13:40:03 < jpa-> or -mthumb
2013-05-08T13:40:54 < Posterdati> blx 0x801c1c0 <pow>
2013-05-08T13:41:55 < Posterdati> very strange
2013-05-08T13:44:27 < jpa-> just messed up compiler switches
2013-05-08T13:44:44 < jpa-> that always happens if your compiler or linker line lacks -mcpu=cortex-m3 -mthumb
2013-05-08T13:44:49 < Posterdati> arm-none-eabi-g++ -mcpu=cortex-m3 -mthumb
2013-05-08T13:44:55 < jpa-> it can also happen if you deliberately link against libraries compiled for ARM
2013-05-08T13:45:06 < Posterdati> ok
2013-05-08T13:45:44 < Posterdati> I'm using a toolchain, maybe I selected wrong libs
2013-05-08T13:46:21 < jpa-> what function is that pow call located in? your own or something else?
2013-05-08T13:46:36 < Posterdati> own
2013-05-08T13:46:56 < jpa-> hmm, so libm and linker parameters are the only suspects
2013-05-08T13:47:04 < Posterdati> yes
2013-05-08T13:47:47 < Tectu> hello
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2013-05-08T13:49:13 < dongs> sup dongs/trolls/tectu
2013-05-08T13:50:51 < Tectu> not much, you?
2013-05-08T13:50:57 < Tectu> also +1 for self hilight
2013-05-08T13:51:50 < dongs> i dont gay+
2013-05-08T13:53:31 < Posterdati> jpa-: blx always there! :(
2013-05-08T13:56:05 < Posterdati> jpa-: ah, found, I missed -cpu=cortex-m3 -mthumb -march=armv7-m in linking
2013-05-08T13:56:50 < Posterdati> jpa-: shall I: arm-none-eabi-g++ cpu=cortex-m3 -mthumb -march=armv7-m -Wl,--start-group ... -Wl,--end-group ???
2013-05-08T13:57:54 < Laurenceb_> copy someones makefile ffs
2013-05-08T13:58:11 < Tectu> to meet the 'CE' specs, is only a EMC/EMV (which one is it) needed or others as well?
2013-05-08T13:59:13 < Laurenceb_> depends on the device
2013-05-08T13:59:40 < Laurenceb_> and its intended "use case"
2013-05-08T14:00:05 < jpa-> Posterdati: well -mcpu=cortex-m3 -mthumb  should be enough
2013-05-08T14:00:16 < Posterdati> ok
2013-05-08T14:00:32 < Laurenceb_> e.g. for medical devices the plan is to have to actually do clinical trials
2013-05-08T14:00:35 < Posterdati> leaving them outside -Wl group is not wotking
2013-05-08T14:00:39 < jpa-> Tectu: for mains-powered stuff there is also all kinds of insulation requirements
2013-05-08T14:00:43 < Laurenceb_> not sure if that is the case atm...
2013-05-08T14:00:56 < jpa-> Tectu: and if you are making a coffee maker or a children's toy, there are specific requirements also
2013-05-08T14:01:05 < Tectu> but is it EMV or EMC? I don't remember the difference
2013-05-08T14:01:11 < Laurenceb_> EMC
2013-05-08T14:01:14 < Tectu> jpa-, just some kind of dev board
2013-05-08T14:01:15 < Laurenceb_> compatibility
2013-05-08T14:01:31 < Tectu> not sure if it's needed anyway
2013-05-08T14:01:35 < Tectu> but I could do the test for free
2013-05-08T14:01:51 < Laurenceb_> you need calibrated test chamber
2013-05-08T14:01:57 < Laurenceb_> have you got access to one?
2013-05-08T14:02:13 < Tectu> yes
2013-05-08T14:02:33 < Laurenceb_> i know a 72mhz F1 breaks the spec at 216Mhz
2013-05-08T14:02:39 < Laurenceb_> 3rd harmonic
2013-05-08T14:03:03 < Laurenceb_> 4 layer board with solid ground place  might not, i don't know
2013-05-08T14:03:17 < Tectu> ah right, you do a lot of that crap right?
2013-05-08T14:03:21 < Laurenceb_> yes
2013-05-08T14:03:23 < Tectu> for your medicinal fucks
2013-05-08T14:03:27 < Tectu> stuff*
2013-05-08T14:03:32 < Laurenceb_> lol
2013-05-08T14:03:41 < Laurenceb_> i added copper foil to the case
2013-05-08T14:04:08 < jpa-> in a month i'll get to see how my F4 product fares in EMC testing
2013-05-08T14:04:24 < Laurenceb_> i don't handle the full CE approval atm
2013-05-08T14:04:35 < Laurenceb_> just the initial paperword
2013-05-08T14:04:51 < jpa-> Tectu: i think dev tools might have some exclusions
2013-05-08T14:04:59 < Laurenceb_> and i'm no expert on what standards to apply, that part isn't my job either
2013-05-08T14:05:19 < Tectu> jpa-, ah
2013-05-08T14:05:31 < Laurenceb_> yes dev tools are excluded
2013-05-08T14:05:36 < Tectu> jpa-, I know that you can say your product is CE but when somebody tests you get fucked
2013-05-08T14:05:40 < Laurenceb_> as are medical devices in some cases...
2013-05-08T14:05:47 < Tectu> I need to be able to sell a dev kit international
2013-05-08T14:05:49 < Laurenceb_> but all hospitals etc will insist
2013-05-08T14:05:52 < Laurenceb_> so it has to be done
2013-05-08T14:06:30 < jpa-> Tectu: atleast in finland the punishment is marked pullback at worst.. never assfuck
2013-05-08T14:06:37 < jpa-> *market
2013-05-08T14:06:51 < Laurenceb_> yeah its a bit of a pita imo
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2013-05-08T14:07:10 < Laurenceb_> at least with medical devices its more of a case of being actually worthwhile
2013-05-08T14:07:28 < Laurenceb_> it'd help if EU made everything open access
2013-05-08T14:08:00 < jpa-> it would help if the regulations were made by people and not lawyers
2013-05-08T14:08:06 < Laurenceb_> so i wouldn't have to grab FDA documentation half the time
2013-05-08T14:08:25 < Posterdati> nRetVal += static_cast<T>(pow(static_cast<double>(fabs(static_cast<double>(v[ i ]))), static_cast<double>(*it)));
2013-05-08T14:08:29 < Posterdati> this is the li ne
2013-05-08T14:08:40 < Posterdati> where there's the pow with blx
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2013-05-08T14:16:38 < Posterdati> that blx in pow call won't go
2013-05-08T14:16:40 < Posterdati> :(
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2013-05-08T14:22:14 < Posterdati> now the blx is in fabs :(
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2013-05-08T14:33:21 < jpa-> Posterdati: WTF is that line?
2013-05-08T14:33:33 < karlp> c++ is awesome man!
2013-05-08T14:33:46 < jpa-> it is, but i'm not sure if Posterdati is that awesome after all
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2013-05-08T14:40:16 < zyp> Posterdati, simple suggestion: try using gcc rather than g++ as LD
2013-05-08T14:40:59 < zyp> and those casts looks silly
2013-05-08T14:40:59 < jpa-> hmm, i think i have been using g++ as linker without problem
2013-05-08T14:41:27 < zyp> I haven't, so I just wanted to check that
2013-05-08T14:41:57 < jpa-> missing multilibs sometimes cause that blx crap
2013-05-08T14:42:14 < zyp> yes, we were talking about it yesterday
2013-05-08T14:42:27 < jpa-> i.e. if gcc is configured with multilibs but doesn't find the exactly matching thumb2 library, instead of closest matching it takes some crappy default
2013-05-08T14:42:57 < Posterdati> g++ as linker becase I use cpp sources
2013-05-08T14:43:24 < zyp> you are not linking sources, you are linking objects, and they aren't c++ anymore
2013-05-08T14:44:06 < Posterdati> with c++ mangled objects on it
2013-05-08T14:44:15 < zyp> doesn't matter
2013-05-08T14:44:28 < zyp> just try what I suggested and report back
2013-05-08T14:44:40 < zyp> I use gcc for linking c++ objects without any problems
2013-05-08T14:44:54 < Posterdati> ok let's see
2013-05-08T14:45:22 < Posterdati> got a lot of undefined reference during linking
2013-05-08T14:45:39 < zyp> really?
2013-05-08T14:45:42 < zyp> pastebin it
2013-05-08T14:46:59 < Posterdati> http://pastebin.com/GXRNRgni
2013-05-08T14:47:53 < karlp> the link command lines would have been nice too
2013-05-08T14:49:48 < zyp> are you using C++ libs?
2013-05-08T14:50:06 < zyp> I mean, are you using STL, or is that shit pulled in from exception handling?
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2013-05-08T14:50:25 < Posterdati> I?m using map
2013-05-08T14:50:41 < zyp> ah
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2013-05-08T14:50:44 < jpa-> g++ as linker links implicitly to libstdc++
2013-05-08T14:50:47 < zyp> try adding -lstdc++
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2013-05-08T14:51:49 < Posterdati> linking with gcc
2013-05-08T14:51:50 < Posterdati> ?
2013-05-08T14:52:04 < zyp> yes
2013-05-08T14:52:30 < Posterdati> done!
2013-05-08T14:52:34 < Posterdati> no error
2013-05-08T14:52:44 < Posterdati> writing flash
2013-05-08T14:56:00 < Posterdati> what the hell is vmov s14, r3 ???
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2013-05-08T14:57:11 < Posterdati> is it a cortex-m3 instruction?
2013-05-08T14:57:35 < zyp> no, it's a fpu instruction
2013-05-08T14:57:46 < dongs> HARD FLOAT
2013-05-08T14:57:47 < Posterdati> but m3 hasn't got it
2013-05-08T14:57:51 < zyp> no
2013-05-08T14:57:55 < Posterdati> I select soft
2013-05-08T14:58:01 < zyp> so you are still linking code for shit you don't have
2013-05-08T14:58:11 < Posterdati> -mfloat-abi=soft
2013-05-08T14:58:18 < zyp> no.
2013-05-08T14:58:29 < zyp> you misunderstand
2013-05-08T14:58:39 < Posterdati> wrong libs
2013-05-08T14:58:41 < Posterdati> ?
2013-05-08T14:58:48 < zyp> that's a setting for ABI
2013-05-08T14:58:54 < zyp> i.e. how you pass arguments to functions
2013-05-08T14:59:09 < Posterdati> ok
2013-05-08T14:59:18 < zyp> float-abi=soft means pass float arguments in normal registers, float-abi=hardfp means pass float arguments in fpu registers
2013-05-08T14:59:32 < Posterdati> ok
2013-05-08T14:59:33 < zyp> in both cases you would use the fpu for actual float computation
2013-05-08T14:59:43 < Posterdati> ok
2013-05-08T14:59:45 < zyp> so on cortex-m3 you should not use that setting at all
2013-05-08T14:59:52 < Posterdati> ok
2013-05-08T14:59:57 < dongs> does avr32 have floats
2013-05-08T15:00:01 < dongs> or a divide instruction even
2013-05-08T15:00:05 < zyp> no idea
2013-05-08T15:00:10 < zyp> probably not
2013-05-08T15:00:10 < dongs> knowing atmel, probably not
2013-05-08T15:00:12 < dongs> ^
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2013-05-08T15:16:29 < zyp> Posterdati, if I can have a copy of your project that fails, I can try building it with my toolchain here
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2013-05-08T15:39:22 < Posterdati> zyp: wait
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2013-05-08T15:46:36 < Posterdati> zyp: pow has got blx :(
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2013-05-08T15:59:43 < Posterdati> zyp: fixed
2013-05-08T15:59:51 < Posterdati> zyp: was the wrong libs path
2013-05-08T16:00:17 < Posterdati> zyp: so do you suggest me to use gcc to link?
2013-05-08T16:01:08 < zyp> libs path?
2013-05-08T16:01:19 < zyp> like -L ?
2013-05-08T16:02:05 < Posterdati> yes
2013-05-08T16:02:14 < Posterdati> LPATH+=/opt/gcc-arm-none-eabi-4_7-2013q1/arm-none-eabi/lib/thumb
2013-05-08T16:02:18 < Posterdati> it was
2013-05-08T16:02:20 < Posterdati> LPATH+=/opt/gcc-arm-none-eabi-4_7-2013q1/arm-none-eabi/lib/
2013-05-08T16:02:28 < zyp> right
2013-05-08T16:02:29 < zyp> you know
2013-05-08T16:02:40 < zyp> this is what karlp told you explicitly not to do yesterday
2013-05-08T16:02:49 < Posterdati> yes
2013-05-08T16:03:02 < Posterdati> I was thinking that linker could automatically find libs
2013-05-08T16:03:14 < zyp> you should never refer to any libraries living inside the toolchain dir by path
2013-05-08T16:03:32 < qyx_> yes, linker do find them
2013-05-08T16:03:48 < zyp> the linker will automatically find the correct libs as long as you _don't_ try giving it a path
2013-05-08T16:04:31 < Posterdati> ops
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2013-05-08T16:04:50 < zyp> you need to give -mthumb and -mcpu=cortex-m3 to the linker, and then the linker would know that it should use the variant under armv7-m/
2013-05-08T16:05:09 < Posterdati> could no find nosys libs
2013-05-08T16:05:40 < zyp> it's there; armv7-m/libnosys.a
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2013-05-08T16:06:09 < Posterdati> I removed
2013-05-08T16:06:12 < Posterdati> LPATH+=/opt/gcc-arm-none-eabi-4_7-2013q1/arm-none-eabi/lib/
2013-05-08T16:06:32 < Posterdati> and then came out the error referring to nosys not found
2013-05-08T16:06:55 < zyp> that's because you are doing something else wrong
2013-05-08T16:07:08 < Posterdati> "/opt/CodeSourcery/Sourcery_CodeBench_Lite_for_ARM_EABI/bin/../lib/gcc/arm-none-eabi/4.7.2/../../../../arm-none-eabi/bin/ld: cannot find -lnosys
2013-05-08T16:07:08 < Posterdati> collect2: error: ld returned 1 exit status
2013-05-08T16:07:08 < Posterdati> make: *** [gcc/euler.axf] Error 1"
2013-05-08T16:07:19 < zyp> ha
2013-05-08T16:07:27 < Posterdati> ol
2013-05-08T16:07:29 < Posterdati> lol
2013-05-08T16:07:31 < zyp> read through what you just pasted
2013-05-08T16:07:32 < Posterdati> codesourcery
2013-05-08T16:07:37 < Posterdati> lol
2013-05-08T16:07:50 < zyp> see, there's your problem, you are not using the right toolchain
2013-05-08T16:07:56 < Posterdati> yes
2013-05-08T16:08:21 < zyp> you know what I suggest? rm -rf /opt/CodeSourcery/
2013-05-08T16:08:24 < jpa-> what is wrong with codesourcery?
2013-05-08T16:08:29 < jpa-> it has worked fine for me in the past
2013-05-08T16:08:38 < Posterdati> zyp: sure
2013-05-08T16:09:19 < Posterdati> zyp: it's ok now!
2013-05-08T16:11:13 < Posterdati> and it's working too :)
2013-05-08T16:11:45 < zyp> jpa-, it probably works if you get it's multilib to pick the correct variant
2013-05-08T16:11:57 < zyp> but apparently it didn't
2013-05-08T16:12:27 < jpa-> zyp: well that problem exists with any multilib toolchain
2013-05-08T16:12:58 < zyp> true, but I prefer helping people using GAE, because that's what I'm used to
2013-05-08T16:13:03 < jpa-> true
2013-05-08T16:13:26 < Posterdati> zyp: and because GAE is not a commercial product
2013-05-08T16:13:51 < zyp> and since GAE is well maintained, I don't see a reason to use anything else unless you have a good reason to and know what you are doing
2013-05-08T16:14:17 < Posterdati> zyp: codesourcery could deliberately build a product with missing features as aid to sell the commercial counterpart
2013-05-08T16:14:37 < zyp> yeah
2013-05-08T16:15:37 < Posterdati> that's very bad, but why release a commercial product then?
2013-05-08T16:16:09 < zyp> because certain customers like being able to buy support
2013-05-08T16:16:28 < Posterdati> yes, and there's no evil in that
2013-05-08T16:16:42 < Posterdati> so non commercial product has to be weak
2013-05-08T16:17:15 < Posterdati> or it would race against the commercial one
2013-05-08T16:17:43 < zyp> I think you're overthinking it a bit
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2013-05-08T16:27:23 < Laurenceb> its just fail all the way down
2013-05-08T16:27:45 < Laurenceb> http://en.wikipedia.org/wiki/File:TurtlesAllTheWayDown2.png
2013-05-08T16:27:47 < Laurenceb> i lolled
2013-05-08T16:31:38 < Laurenceb> attn dongs:  http://s1.b3ta.com/host/creative/93268/1367625484/dfsfdsf.jpg
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2013-05-08T16:53:04 < Laurenceb> is wikipedia broken?
2013-05-08T16:53:45 < gxti> yes but the website seems to load fine
2013-05-08T16:55:22 < Laurenceb> lol gxti
2013-05-08T16:55:34 < dongs> sup bros
2013-05-08T16:55:47 < gxti> hi blogs
2013-05-08T16:56:23 < dongs> haha, i remember reading some shit about gibraltar being on front page of wikipedo right
2013-05-08T16:56:27 < dongs> so i open en.wikipedia.org
2013-05-08T16:56:30 < dongs> and ctrl+f for gibraltar
2013-05-08T16:56:33 < dongs> and its fuckin there
2013-05-08T16:57:22 < gxti> cool story?
2013-05-08T16:57:33 < qyx_> seems to be broken, bits.wikipedia.org is not loading
2013-05-08T17:00:55 < dongs> works here
2013-05-08T17:03:22 < gxti> yep
2013-05-08T17:03:50 < gxti> and it's bits.wikiMedia.org, not wikipedia
2013-05-08T17:04:00 < gxti> because yeah
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2013-05-08T17:25:26 < jpa-> yay, pcbs arrived
2013-05-08T17:25:40  * jpa- can barely wait until he can start soldering them
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2013-05-08T17:27:47 < zyp> :)
2013-05-08T17:29:57 < inca> jpa-: which board? exciting… =)
2013-05-08T17:30:17 < jpa-> some eink stuff
2013-05-08T17:30:52 < dongs> edink
2013-05-08T17:32:16 < qyx_> edong
2013-05-08T17:33:05 < jpa-> i guess average seeed quality http://kapsi.fi/~jpa/stuff/pix/PICT0032.JPG  http://koti.kapsi.fi/jpa/stuff/pix/PICT0034.JPG    those are 0.3 mm drill 0.6 mm diameter vias
2013-05-08T17:33:44 < qyx_> why are some of them green and some purple?
2013-05-08T17:33:46 < dongs> thats better than usual drilling
2013-05-08T17:33:50 < inca> jpa-: oooh, fun… I don't have one of those readers yet, but my silicon valley friend was raving about them the other day. I might pick one up if I can integrate it easily enough into my PDF reading lifestyle =)
2013-05-08T17:33:55 < dongs> probably taken with his iFaggot
2013-05-08T17:34:02 < jpa-> qyx_: the microscope light is reflecting funnily, i guess
2013-05-08T17:34:03 < dongs> inca: they wont
2013-05-08T17:34:16 < dongs> inca: PDFs on ebook shits suck ass.
2013-05-08T17:34:23 < jpa-> inca: the displays are still too small for most pdf's
2013-05-08T17:34:34 < inca> yeah, that's why I don't have one yet =)
2013-05-08T17:34:34 < BrainDamage> pdfs don't look well on small screens
2013-05-08T17:34:38 < dongs> and renderers suck
2013-05-08T17:34:39 < BrainDamage> they lack reflow
2013-05-08T17:34:47 < jpa-> it is somewhat ok to read in landscape and half-page at a time, but even that works only for text-only content
2013-05-08T17:35:02 < inca> resolution independent graphix engines… Tectu!!!
2013-05-08T17:35:17 < jpa-> but anyway, i'm trying to hook up an eink screen to stm32 to use for own projects
2013-05-08T17:36:14 < inca> yes, so eink is not there yet for me… reading without pictures hurts. As you might guess, I'm a picture-book kind of engineer… =)
2013-05-08T17:36:20 < BrainDamage> hah, I'm doing the same, I'm reverse engineering the one used by 3rd gen kindles
2013-05-08T17:36:30 < inca> BrainDamage: that is interesting to me
2013-05-08T17:36:34 < BrainDamage> since there's basically 0 docs
2013-05-08T17:36:42 < jpa-> BrainDamage: which panel is that?
2013-05-08T17:36:50 < bairdy> I've got a K3 here. Not quite ready to pull it to bits yet though. :)
2013-05-08T17:37:05 < jpa-> i'm working with ED060SC4V2
2013-05-08T17:37:06 < dongs> bairdy: so did you say you wanted a jewpad adapter board?
2013-05-08T17:37:13 < BrainDamage> ED060SC7
2013-05-08T17:37:23 < jpa-> probably quite similar then
2013-05-08T17:37:45 < jpa-> this is what i have found so far: http://koti.kapsi.fi/~jpa/stuff/other/eink_information/
2013-05-08T17:37:59 < BrainDamage> does it have the whacky -20V supply?
2013-05-08T17:38:03 < jpa-> yes
2013-05-08T17:38:12 < bairdy> dongs: they're without the hdmi now, though?
2013-05-08T17:38:18 < jpa-> (schematics outdated, i now have a better way to supply the -20V)
2013-05-08T17:39:34 < dongs> bairdy: correct, i've got a evalboard for STDP2600 but the output is fucky > http://i.imgur.com/dHpqxL3.jpg
2013-05-08T17:39:57 < dongs> and im not sure i wanna do 2 chip ITE solution for HDMI because that would make the board bigger than xbox
2013-05-08T17:40:46 < dongs> wahts wrong with dP?:)
2013-05-08T17:43:27 < jpa-> BrainDamage: looks like ED060SC7 is probably the same as mine, except different connector + some eeprom chip
2013-05-08T17:43:46 < BrainDamage> it has an onboard flash on the ribbon cable
2013-05-08T17:43:55 < jpa-> probably for the waveform files?
2013-05-08T17:43:58 < BrainDamage> yup
2013-05-08T17:44:07 < jpa-> yeah, i have no waveforms for mine
2013-05-08T17:44:29 < jpa-> i guess if you wanted, you could just hook up S1D13521 to yours and it might even work
2013-05-08T17:44:46 < BrainDamage> mmm, worth a try I guess, thanks for the tip
2013-05-08T17:45:49 < BrainDamage> I was planning to hook a LA this weekend, and start taking dumps with test images
2013-05-08T17:46:06 < jpa-> that info could be useful to me
2013-05-08T17:46:23 < jpa-> i'll probably get my board soldered this weekend, and then i'll start putting random signals to the display
2013-05-08T17:46:42 < jpa-> i'm not going to use any driver chip, instead i have the panel directly connected to STM32
2013-05-08T17:47:08 < BrainDamage> I was planning to use stm32 or a small fpga to generate the signals, I didn't know a simple driver existed
2013-05-08T17:47:10 < bairdy> dongs: with dP, I'd use just the one.
2013-05-08T17:47:31 < jpa-> BrainDamage: it's not really that simple.. it requires external dram chip for the framebuffer also
2013-05-08T17:48:15 < BrainDamage> looking at the datashit now
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2013-05-08T17:48:46 < dongs> the one?
2013-05-08T17:51:11 < bairdy> I said 2 during the hdmi planning stage. My main machine is the only thing here atm with DP, so it'd likely become an auxiliary display.
2013-05-08T17:54:07 < dongs> oh sure
2013-05-08T17:54:18 < dongs> anyhow, since i owe you stuff I can just mail you one adapter.
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2013-05-08T18:05:02 < bairdy> If there's anything to cover, cost wise, just let me know.
2013-05-08T18:05:48 < dongs> no worries. dong me back reply email with your info
2013-05-08T18:06:07 < dongs> you should have it from when I gave you address t o send stuff to
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2013-05-08T18:08:52 < dongs> oh, cool I had it
2013-05-08T18:08:53 < dongs> ok
2013-05-08T18:09:16 < bairdy> redonged. The address here should be good for another two months or so. (and there's mail forwarding after that-- although I'll be In The Wild Outdoors)
2013-05-08T18:09:43 < dongs> no problem, airmail takes about a week or so. ill throw it in the mail tomorw.
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2013-05-08T18:34:33 < bairdy> A 250MB bzip2 file on a 486 was probably a bad idea..
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2013-05-08T18:36:26 < dongs> lol bzip2
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2013-05-08T18:39:00 < dongs> hurf this layout has soo many  fuckups but i dont wanna redo it cause of stencil
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2013-05-08T19:33:20 < Laurenceb> http://features.slashdot.org/story/13/05/07/2017203/interview-john-mcafee-answers-your-questions
2013-05-08T19:33:22 < Laurenceb> i lolled
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2013-05-08T19:36:22 < PaulFertser> dongs: btw, how do you explain NASA's choosen Debian GNU/Linux for the ISS computers?
2013-05-08T19:38:40 <+Steffanx> PaulFertser you know you dont ask that question to the right person. You wont get a normal answer anyway
2013-05-08T19:38:53 <+Steffanx> *didn't
2013-05-08T19:40:03 < gxti> he's just trolling the troll
2013-05-08T19:40:35 <+Steffanx> You have to do a lot more than that to troll mr d.
2013-05-08T19:41:32 < PaulFertser> Steffanx: it's interesting for me to hear his answer; he's very different from me in many regards and qualities, so listening to him might allow me to learn more about the world.
2013-05-08T19:42:15 <+Steffanx> Perhaps, but i'm sure the answer would've included the words: crap, shit and lunix :P
2013-05-08T19:42:47 <+Steffanx> or perhaps includes, as you're still waiting for hte answer.
2013-05-08T19:42:55 < jpa-> "When you are doing really important space shit, you can't afford to use any Windows shit. Therefore NASA went with lunix."
2013-05-08T19:43:08 < jpa-> oops, i fail
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2013-05-08T19:46:04 < Tectu> [Wed May 08 2013 16:35:01]: inca (~inca@cpe-173-88-167-240.neo.res.rr.com) (##stm32): resolution independent graphix engines… Tectu!!!
2013-05-08T19:46:08 < Tectu> inca, what?
2013-05-08T19:46:47 < BrainDamage> jpa-: lacks crap
2013-05-08T19:46:52 < PaulFertser> Well, i once spent several hours preparing the full free software stack STM32 environment: toolchain, OpenOCD, Eclipse, and then preparing an Eclipse project that would build the basic stm32f4discovery example (trying to understand all that xml sillyness in project files for other IDEs etc). One can argue that he can just download and install Coocox and get started in 15 minutes. Well, I still prefer plain makefiles + emacs, but i'm not sure that's ...
2013-05-08T19:46:58 < PaulFertser> ... the most efficient way in the end.
2013-05-08T19:47:48 < inca> Tectu: graphics engines need to be resolution independent. In that application case, so that pdfs may be viewed with eink devices
2013-05-08T19:48:13 < Tectu> inca, okay
2013-05-08T19:49:11 < inca> PaulFertser: bootstrapping into the development environment is huge… it's great for newbies learning "what works" and it is even better for the regular devs to test whether or not their environment is poisoned or whatnot
2013-05-08T19:52:04 < jpa-> poisoned :)
2013-05-08T19:54:01 < inca> these days it doesn't take much to put up a VM with all the tools and scripts for updating the tools
2013-05-08T19:54:04 < PaulFertser> inca: there's that kind of people who like digging and understanding and gaining real knowledge. And there's another that have no time for playing games and need to do the job. Apparently, successful real-life commercial and non-commercial projects do appear from the both parties.
2013-05-08T19:54:53 < inca> PaulFertser: I agree, there must be a mix. Abstractions of interfaces need to be just that and not become obstructions to understanding the inner workings of the architecture.
2013-05-08T19:55:01 < jpa-> and there are also jobs that can be done quicker and better by one group than the other
2013-05-08T19:55:20 < inca> jpa-: I don't believe either is mutually exclusive to the other
2013-05-08T19:55:33 < inca> you can have your cake and eat it too, in this case, methinks
2013-05-08T19:55:40 < PaulFertser> inca: i mean those are two different mentalities, that are usually mutually exclusive for one person.
2013-05-08T19:56:20 < jpa-> inca: yet i rarely see group 1 people get something done on a new platform in a few hours, because they just have to dig in.. and group 2 people are never going to find and fix a deep bug in gcc, for example
2013-05-08T19:57:05 < inca> hmm… to both PaulFertser and jpa-: I think this is more of a documentation/communication and scope of skillset type thing
2013-05-08T19:57:12 < PaulFertser> Group two would workaround a gcc bug with black magic and it'll work fine, probably for the whole lifetime of the project.
2013-05-08T19:57:37 < inca> If the documentation empowers people to scope down to the very thing they wish to change, test it, and keep on going… we'd see more of both
2013-05-08T19:57:53 < jpa-> PaulFertser: maybe, but if they fail to figure out some random magic, they don't know how to proceed
2013-05-08T19:58:01 < inca> jpa-: exactly!
2013-05-08T19:58:08 < karlp> sure they do
2013-05-08T19:58:12 < karlp> they call their support engineer :)
2013-05-08T19:58:14 < inca> then they become frustrated, find an alternative
2013-05-08T19:58:17 < jpa-> karlp: true :)
2013-05-08T19:58:19 < karlp> that's what they're paying for!
2013-05-08T19:58:30 < inca> karlp: and the support engineer forwards them to the circle-game-of-suck
2013-05-08T19:58:42 < jpa-> maybe a better example is when they need to do something truly new and imaginative
2013-05-08T19:58:52 < inca> ST->Micrel->ST in my case… to no resolution
2013-05-08T19:59:21 < jpa-> like the llvm thing that runs verified code on cortex-m3 without speed penalty.. i doubt that came off some IDE menu
2013-05-08T19:59:24 < inca> jpa-: indeed… that's what we'd want to support. I think having a clean bootstrap process into a working dev env is step 1 for that kind of collaboration
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2013-05-08T20:00:04 < jpa-> inca: isn't there bunch of those already? only problem is that everyone wants a different kind of dev env :)
2013-05-08T20:00:36 < inca> jpa-: too many choices, too many ways to deviate from the instructions before a working system is in place
2013-05-08T20:00:58 < jpa-> inca: mistakes afford learning :P
2013-05-08T20:01:15 < karlp> when you have the time to learn :)
2013-05-08T20:01:24 < inca> I happened to get spooled up while OpenOCD was in terrible shape for what I was doing… as a result, I have an entire workflow based on !OpenOCD, even though it may be to the detriment of my usage of ChibiOS
2013-05-08T20:01:32 < jpa-> karlp: yes :)
2013-05-08T20:01:36 < karlp> I've learnt a lot in the last 2 years that I still don't really feel I needed to learn
2013-05-08T20:01:47 < inca> karlp: that's exactly how I feel
2013-05-08T20:02:01 < inca> do I really want to learn arcane knowledge of 1600 page documents?
2013-05-08T20:02:10 < inca> or do I want to solve my problem ?
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2013-05-08T20:03:04 < BrainDamage> some things are good to learn, when abstract enough that can be ported to diff problems easily
2013-05-08T20:03:18 < BrainDamage> others are very task specific, and are kind like cruft
2013-05-08T20:04:04 < inca> I like the idea behind Cloud9 IDE
2013-05-08T20:04:23 < inca> too bad I just hosed it
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2013-05-08T20:04:54 < jpa-> i wouldn't want a platform that i cannot control
2013-05-08T20:05:06 < inca> it's open source
2013-05-08T20:05:42 < inca> I just spooled it up for BeagleBone Black… and promptly broke it (filesystem woes)
2013-05-08T20:05:45 < jpa-> hmm, ok, remembered wrong
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2013-05-08T20:06:35 < inca> collaborative coding, simple interface… I wonder if its Node.js could be extended to something like the cortex-m* toolchains
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2013-05-08T20:07:02 < inca> I did it for Xcode, and that is some pain and suffering I don't really care to do again
2013-05-08T20:07:08 < inca> I did it for Xcode, and that is some pain and suffering I don't really care to do again
2013-05-08T20:07:12 < inca> oops
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2013-05-08T20:18:21 < Robint91> hi all
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2013-05-08T20:27:11 <+Steffanx> Hi mr T
2013-05-08T20:32:06 < Tectu> finally, it works! http://www.youtube.com/watch?v=f0fwjY6_-1M
2013-05-08T20:33:51 < GargantuaSauce> overunity videos are my favourite part of youtube
2013-05-08T20:33:52 < Robint91> Tectu, -> ##stm32-crap
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2013-05-08T20:53:28 < inca> PaulFertser jpa-: Abe Lincoln said it best: If you have 8 hours to chop down a tree, spend 6 sharpening your axe.
2013-05-08T20:54:12 <+Steffanx> Wise man that Abe lincoln :P
2013-05-08T20:55:04 < PaulFertser> inca: i'd spend 1 hour sharpening and three reading safety guides as logging trees might be rather dangerous, especially for a novice.
2013-05-08T20:55:48 < inca> PaulFertser: nevertheless, I think you see what he meant. =)
2013-05-08T20:56:17 < PaulFertser> inca: indeed :)
2013-05-08T20:56:39 < BrainDamage> don't trust all the quotes on internet - abraham lincoln
2013-05-08T20:56:49 < PaulFertser> inca: does semihosting work for you all right now, any comments?
2013-05-08T20:57:39 < inca> works on BMP… was about to tackle OpenOCD + STLink/V2 testing
2013-05-08T20:58:05 < inca> just updated OpenOCD on master yesterdaty
2013-05-08T21:00:26 < PaulFertser> inca: just send it "arm semihosting enable" and it should work, but OpenOCD uses its own console, without passing anything to gdb.
2013-05-08T21:00:41 < inca> so login via telnet to see the console?
2013-05-08T21:03:00 < inca> hmm… libusb weirdness
2013-05-08T21:04:39 < PaulFertser> inca: no, you can just use "mon arm semihosting enable" from inside gdb
2013-05-08T21:04:56 < PaulFertser> inca: building OpenOCD is supposed to be painless, just install libusb 1 dev package.
2013-05-08T21:05:58 < inca> I was running a dev libusb for some experimental stuff
2013-05-08T21:06:08 < inca> going to update or revert to last stable
2013-05-08T21:11:33 < inca> excellent… updated to latest libusbx in homebrew, configure, make seems to not core dump… now getting the hardware in place
2013-05-08T21:13:29 < inca> well
2013-05-08T21:14:24 < inca> interesting… executing the freshly compiled openocd executable as ./src/openocd without arguments sets of an instance of arm-none-eabi-gdb
2013-05-08T21:14:37 < inca> maybe not
2013-05-08T21:15:05 < inca> my bad, leftover screen session
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2013-05-08T21:17:46 < inca> ../src/openocd -f interface/stlink-v2.cfg -f target/stm32f1x.cfg: Open On-Chip Debugger 0.8.0-dev-00003-g2a864a8-dirty (2013-05-06-19:35) Runtime Error: target/stm32f1x.cfg:27: invalid command name "jtag_ntrst_delay"
2013-05-08T21:17:55 < inca> excerpted
2013-05-08T21:18:16 < inca> -f target/stm32f1x_stlink.cfg seems to load up
2013-05-08T21:18:36 < inca> why does target/stm32f1x.cfg exist?
2013-05-08T21:19:22 < gxti> jtag
2013-05-08T21:19:42 < gxti> hence the jtag error...
2013-05-08T21:19:48 < inca> maybe call it stm32f1x_jtag.cfg
2013-05-08T21:20:25 < inca> for all I know a coded error for jtag could be re-used code between swd and jtag
2013-05-08T21:23:10 < PaulFertser> inca: OpenOCD currently can't support swd with generic adapters but we hope it'll be able to do that sometimes. The _stlink config files are sort of a hack to use a "high-level adapter" in whatever mode you want. So stm32f1x.cfg is a generic config for that target and stm32f1x_stlink.cfg is a hacky config to access the same target via swd or jtag using stlink.
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2013-05-08T21:25:58 < inca> hmm… that seems like useful information to know for using OpenOCD w/ stlink =)
2013-05-08T21:26:09 < inca> semihosting worked on the second go
2013-05-08T21:27:13 < inca> first gdb session i did not mon arm semihosting enable at first, but did flash with semihost code, ran it, changed the setting, re-ran but it didnt' work
2013-05-08T21:27:29 < inca> after quitting gdb and reattaching, it just worked
2013-05-08T21:27:31 < inca> =)
2013-05-08T21:27:35 < inca> yay!
2013-05-08T21:29:22 < inca> I like the application state information
2013-05-08T21:29:28 < inca> semihosting: *** application exited ***
2013-05-08T21:30:05 < gxti> probably time for me to upgrade my bmp, i keep getting weird problems debugging chibios stuff
2013-05-08T21:30:26 < gxti> missed breakpoints, corrupt stack, etc. could well be my fault.
2013-05-08T21:30:34 < inca> PaulFertser: would there be any utility to having OpenOCD manage BMP?
2013-05-08T21:30:40 < gxti> wat
2013-05-08T21:31:07 < inca> gxti: OpenOCD supports ChibiOS architecture
2013-05-08T21:31:19 < Robint91> euh?
2013-05-08T21:31:20 < inca> so bt/where work properly
2013-05-08T21:31:20 < PaulFertser> inca: there's one thing BMP can't do with stm32s that OpenOCD currently can: threads support.
2013-05-08T21:31:39 < inca> PaulFertser: does that require SWO ?
2013-05-08T21:31:39 < Robint91> why should a debugger support software running on the target system?
2013-05-08T21:31:44 < Robint91> inca, ^
2013-05-08T21:32:05 < gxti> what precisely does that support constitute?
2013-05-08T21:32:11 < PaulFertser> inca: but the way it's currently implemented in OpenOCD is "suboptimal" and needs to be changed anyway. I'd prefer to see a gdb proxy with libbfd support for that instead of having it integrated into OpenOCD itself as it is now.
2013-05-08T21:32:12 < inca> Robint91: threads support. ChibiOS support
2013-05-08T21:32:45 < PaulFertser> inca: eh, swd, why?
2013-05-08T21:33:24 < inca> PaulFertser: for ChibiOS stack support
2013-05-08T21:33:33 < PaulFertser> Robint91: currently it doesn't seem to be possible to use gdb python scripting to allow debugging multi-threaded apps on an embedded target. So OpenOCD emulates that, knowing enough about the target RTOS.
2013-05-08T21:33:51 < PaulFertser> inca: both SWD and JTAG work the same in this regard afaict.
2013-05-08T21:34:25 < gxti> maybe i will try getting my bus bluster working with openocd again, haven't tried since i figured out that i apparently need somebody else's toolchain for gdb to work at all.
2013-05-08T21:34:28 < Robint91> PaulFertser, okaaaay
2013-05-08T21:34:48 < Robint91> but wouldn't be a fully scriptable debugger be great
2013-05-08T21:34:49 < inca> gxti: 0.7 seems to be better so far
2013-05-08T21:34:55 < gxti> and when i roll my own it pretends to work but then totally fails
2013-05-08T21:34:58 < inca> Robint91: meh, python
2013-05-08T21:35:38 < inca> PaulFertser: SWD and JTAG work the same … ? I lost the context
2013-05-08T21:35:45 < inca> in which regard
2013-05-08T21:35:51 < PaulFertser> Robint91: surprisingly, afaik, modern IDE do not offer the flexibility that gdb had since ages.
2013-05-08T21:36:12 < Robint91> PaulFertser, gdb isn't that user friendly
2013-05-08T21:36:34 < PaulFertser> inca: i think you can use your stlink both in swd mode or in jtag mode, however you like, with OpenOCD to have RTOS support.
2013-05-08T21:36:43 < Robint91> PaulFertser, gdb is becoming way to complex (in my opinion)
2013-05-08T21:37:23 < PaulFertser> gxti: i tried the official arm launchpad toolchain and it seems to be working just fine for everything.
2013-05-08T21:37:38 < gxti> PaulFertser: me too. what i don't understand is why ONLY that works for me.
2013-05-08T21:37:43 < inca> PaulFertser: ah, yes. I remember Gareth saying at one point that for STLink/V2 swd and jtag are almost identical.
2013-05-08T21:37:52 < PaulFertser> gxti: i've selfcompiled it from their sources btw.
2013-05-08T21:38:32 < inca> PaulFertser: but what about the emulated python stuff that openocd provides… do I just need to install the ChibiOS python scripts in order to see those threads properly?
2013-05-08T21:38:36 < gxti> i use tnt to compile code, but still have to use gae to debug
2013-05-08T21:38:46 < gxti> and my home-rolled toolchain which i don't use anymore also cannot debug
2013-05-08T21:39:01 < gxti> gdb appears nominally functional but fails to breakpoint or do anything useful at all
2013-05-08T21:39:31 < inca> gxti: there is some weirdness to gae gdb as well, like incomplete command set (-ix )
2013-05-08T21:39:52 < PaulFertser> inca: inca you do not need any python at all, and OpenOCD has no python dependency for anything.
2013-05-08T21:40:13 < inca> sorry, I'm extrapolating too far
2013-05-08T21:40:46 < PaulFertser> Yes, the problem with the official arm toolchain is that they compile gdb without python support. But it's not needed for OpenOCD RTOS support anyway.
2013-05-08T21:41:01 < PaulFertser> It's needed for Garreth's magictpa though.
2013-05-08T21:41:31 < PaulFertser> gxti: just try the official toolchain, other macos x users reported it to work fine.
2013-05-08T21:41:44 < gxti> i am, i have to
2013-05-08T21:41:48 < gxti> because it is the only thing that works
2013-05-08T21:41:52 < gxti> which fuckin sucks
2013-05-08T21:42:04 < inca> gxti: I'm on OS X. gae is pretty much the only one that works for me, as well
2013-05-08T21:42:11 < gxti> and i'm not using os x
2013-05-08T21:42:39 < PaulFertser> gxti: why does it suck, what's wrong about it?
2013-05-08T21:42:58 < gxti> it sucks that a big pile of crap handed down from on high from a vendor is the only toolchain that can debug properly
2013-05-08T21:43:13 < inca> gxti: did you try their build scripts?
2013-05-08T21:43:23 < gxti> i don't care that i can rebuild it myself from source, it's still their pile of crap
2013-05-08T21:43:39 < PaulFertser> gxti: i can tell you that i've tried Gentoo's stock gdb and it worked too, just backtrace indication was slower.
2013-05-08T21:43:47 < inca> gxti: if their build scripts work for you, then you can customize it however you like beyond that
2013-05-08T21:44:22 < gxti> my experience is more like: i can attach and look at the stack, and if i continue i lose control forever
2013-05-08T21:44:43 < gxti> and it was pretty much equivalent between openocd, texane stlink, and bmp
2013-05-08T21:44:56 < inca> PaulFertser: so something like this would need added to BMP in order to "support" chibios threads? http://openocd.sourceforge.net/doc/doxygen/html/ChibiOS_8c_source.html
2013-05-08T21:45:19 < PaulFertser> gxti: "set debug remote 1" in gdb prompt and you'll see what is actually going on between gdb and a gdb server.
2013-05-08T21:45:35 < gxti> i'm in a shitty mood today, time to go for a walk before dingaling shows up and derails my ranting
2013-05-08T21:45:56 < inca> sorry to hear it, gxti. =\
2013-05-08T21:46:06 < zyp> I second the remote debug suggestion
2013-05-08T21:46:34 < PaulFertser> gxti: yes, plus http://openocd.sourceforge.net/doc/doxygen/html/rtos_8c_source.html
2013-05-08T21:47:15 < PaulFertser> But i'd vote for adding the needed hooks to gdb itself and reimplementing this whole shit in python, would be waay more proper architecture-wise and manageable too.
2013-05-08T21:47:51 < inca> PaulFertser: aren't the hooks already there with mii and such?
2013-05-08T21:47:52 < PaulFertser> inca: sorry, that rtos_c link was meant for you.
2013-05-08T21:47:57 < inca> I assumed
2013-05-08T21:48:24 < PaulFertser> inca: last time i tried to understand it, it looked like they're not.
2013-05-08T21:49:39 < zyp> PaulFertser, implementing thread stuff in python is what I've considered doing for my stuff
2013-05-08T21:49:47 < inca> PaulFertser: what would be the proposed hook to implement within gdb?
2013-05-08T21:49:55 < PaulFertser> gxti: also, with OpenOCD you can just attach over telnet, halt/resume, view/set breakpoints etc. Not that it should be necessary normally, but useful for debugging.
2013-05-08T21:51:25 < PaulFertser> inca: something that would allow scripting to change gdb's idea of currently existing threads and their states.
2013-05-08T21:51:57 < PaulFertser> I think zyp has more up-to-date information regarding this.
2013-05-08T21:52:15 < zyp> I haven't looked into the practical issues
2013-05-08T21:53:04 < PaulFertser> heh, one can probably just add another "thread ui" in python currently, but that would be incompatible with all the frontends.
2013-05-08T21:53:52 < zyp> good point
2013-05-08T21:54:06 < zyp> I don't use any frontends, so I didn't consider that :)
2013-05-08T21:55:09 < PaulFertser> It'd also be necessary to actually save all register contents after stop and then to alter them to switch view between the threads to make gdb unwind the stack, access frames variables etc properly, and then restore before resuming.
2013-05-08T21:55:10 < inca> anything that makes life harder for eclipse-users is Okay by me
2013-05-08T21:55:47 < inca> btw, fyi: http://stackoverflow.com/questions/7477061/is-it-possible-to-add-support-of-a-custom-rtoss-threads-to-gdb
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2013-05-08T21:56:13 < PaulFertser> inca: yep, we know :)
2013-05-08T21:56:27 < inca> cool… I'm getting learned
2013-05-08T21:58:00 < PaulFertser> btw, is here anything who's really into hardcore stuff? Do i understand it right that currently gcc actually embeds some kind of bytecode into elf files that gdb actually interprets to walk frames?
2013-05-08T21:59:00 < inca> might be a good question for the gae folks
2013-05-08T21:59:16 < PaulFertser> Are they on irc? :)
2013-05-08T21:59:44 < inca> heh, the 4 ARM devs from gae? I have no idea… we should lure them to #stm32 =)
2013-05-08T22:01:12 < inca> I just re-asked your question in #gcc
2013-05-08T22:01:55 < PaulFertser> I'd expect them to say "depends on the target".
2013-05-08T22:02:01 < inca> PaulFertser: I think you are correct
2013-05-08T22:02:13 < inca> -ggdb, right?
2013-05-08T22:02:32 < Robint91> how is llvm with arm these days?
2013-05-08T22:02:40 < PaulFertser> The reason i'm asking is because it looks like for our cortex-m's it already has the necessary stuff to unwind the usual code properly but it doesn't handle exceptions, which it should.
2013-05-08T22:03:07 < jpa-> Robint91: working, but not very well optimizing yet (atleast not for the cortex-m3)
2013-05-08T22:03:08 < inca> that is definitely a gae launchpad question
2013-05-08T22:04:02 < PaulFertser> I do not post questions on launchpad because it requires me to register and use their silly web-interface...
2013-05-08T22:04:51 < Robint91> jpa-, isn't llvm > gcc on x86?
2013-05-08T22:05:12 < inca> PaulFertser: I just asked in #linaro-tcwg
2013-05-08T22:05:22 < jpa-> Robint91: maybe, haven't followed that closely
2013-05-08T22:06:18 < inca> PaulFertser: <mgrettondann>	yes - The .debug_frame section See the DWARF Standard:  http://www.dwarfstd.org/
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2013-05-08T22:06:54 < PaulFertser> btw, talking about OpenOCD vs BMP. There's one feature BMP currently misses: connecting to unresponsive targets by asserting SRST. I've tried to add that, feedback is appreciated: http://sourceforge.net/mailarchive/forum.php?thread_name=1367700409-14126-3-git-send-email-fercerpav%40gmail.com&forum_name=blackmagicdebug-devel
2013-05-08T22:06:54 < Robin_> silly thunderstrom
2013-05-08T22:07:04 < Robin_> messing with ma internetz
2013-05-08T22:07:28 < inca> PaulFertser: It may be worth our while to test this with the latest linaro toolchain, with an effort to merge gae patches for cortex-m* into linaro
2013-05-08T22:07:35 < PaulFertser> inca: well, yes, but how about gcc generating proper sections for gdb to unwind cm3 exceptions?
2013-05-08T22:07:39 < inca> since linaro-gcc was way more supported
2013-05-08T22:09:11 < PaulFertser> inca: currently BMP fakes register contents for exceptions so gdb shows them all right. But with OpenOCD one has to do that manually. I tried looking into adding it to OpenOCD but it now seems like it's gcc's fault for not providing proper bytecode.
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2013-05-08T22:11:06 < inca> proper bytecode for exceptions handling?
2013-05-08T22:11:32 < PaulFertser> inca: yes, to allow gdb to unwind and show your proper backtrace when you're inside a handler.
2013-05-08T22:12:08 < inca> ah...
2013-05-08T22:12:58 < inca> think of a question I could ask the linaro-tcwg (toolchain working group) along those lines… their focus is cortex-a* with mmu's and stuff, but I am sure they have addressed this already
2013-05-08T22:13:28 < inca> how do they get gcc to generate sections for gdb to unwind exceptions
2013-05-08T22:13:36 < inca> (restating you original)
2013-05-08T22:16:36 < inca> are catchpoints supported in our gae gdb?
2013-05-08T22:17:54 < inca> PaulFertser: http://stackoverflow.com/questions/1115428/run-an-application-in-gdb-until-an-exception-occurs
2013-05-08T22:19:26 < inca> seems to have a way to set a breakpoint before the exception handler is called, hopefully leaving the call stack in-tact and untouched, then the exception handler can be inspected. they use __raise_exception
2013-05-08T22:19:27 < PaulFertser> inca: what i mostly care about is that i'd like to be able to connect to a "hanging" target, halt it, see i'm in the HardFault_Handler and see what got me there (i.e. full backtrace with ability to walk frames etc)
2013-05-08T22:19:45 < PaulFertser> inca: i'm talking about hardware exceptinos, so won't work here.
2013-05-08T22:20:44 < jpa-> on devices that have some storage, i usually generate memory dumps that i can then later load into gdb for debugging
2013-05-08T22:21:01 < inca> right, I remember seeing some of those in the assembler startup scripts
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2013-05-08T22:22:47 < inca> PaulFertser: so wouldn't it mean that something like jpa-'s solution might get written into the default hardware fault handler so that we could do this? is that the bytecode you were talking about regarding gdb and handling the exception?
2013-05-08T22:24:11 < PaulFertser> inca: no, absolutely not the same thing i'm talking about. When a cortex-m core is looping in an exception handler, there's still all the info needed to see the place where the exception happened, the stack and everything. gdb just needs to be told how exactly to do it.
2013-05-08T22:24:17 < jpa-> bytecode would be for gdb - writing stuff in the exception handler is different
2013-05-08T22:25:11 < jpa-> i have found that some RTOS do extra mangling that you need to undo in the exception handler to properly unwind it.. i often have a project-specific gdb macro to do that
2013-05-08T22:25:50 < inca> hmm… so, for instance, how and where to read the stack
2013-05-08T22:25:58 < PaulFertser> inca: yes
2013-05-08T22:28:17 < inca> since the linaro deb sent me to dwarfsrd.org, I'm at least reading the into pdf before asking again… feel free to drop into #linaro-tcwg to talk with the toolchain guys… just know that they are cortex-a* specific, for the most part
2013-05-08T22:28:54 < PaulFertser> Thanks
2013-05-08T22:33:30 < inca> thinking aloud while reading: it appears DWARF has some very sophisticated scheme for locating data (Locating Expressions) http://www.dwarfstd.org/doc/Debugging%20using%20DWARF-2012.pdf
2013-05-08T22:33:43 < PaulFertser> Oh yes indeed :)
2013-05-08T22:37:06 < inca> geez… they even have a place to put Macros and such
2013-05-08T22:37:24 < inca> here we go, Call Frame Information p. 8
2013-05-08T22:37:59 < PaulFertser> I so like the ability to be able to use macros in gdb prompt
2013-05-08T22:38:30 < inca> I had blindly assumed they were the expanded, pre-processed source
2013-05-08T22:38:32 < PaulFertser> (resolving C preprocessor macros i mean)
2013-05-08T22:38:36 < inca> mhmm
2013-05-08T22:42:06 < Tectu> http://www.youtube.com/watch?NR=1&feature=endscreen&v=ozNNlrT_QUY
2013-05-08T22:42:08 < Tectu> what? ^
2013-05-08T22:43:13 < inca> Tectu: welcome to the farm
2013-05-08T22:43:42 < Tectu> That thing must be dead as fuck afterwards
2013-05-08T22:43:48 < Tectu> no seriously, all the bones are smashed into the meat?
2013-05-08T22:43:54 < inca> they are dead to begin with
2013-05-08T22:44:35 < inca> looks like good automation for chicken plucker
2013-05-08T22:44:44 < inca> Tectu: read this: http://www.dwarfstd.org/doc/Debugging%20using%20DWARF-2012.pdf
2013-05-08T22:45:21 < Tectu> will do, thanks
2013-05-08T22:46:27 < Tectu> doing archimedean screw for MAKING WATER GO DOWNARDS??? http://www.youtube.com/watch?feature=player_detailpage&v=w2kxu_5hNTk#t=35s
2013-05-08T22:47:18 < GargantuaSauce> i think you might have it backwards
2013-05-08T22:47:39 < inca> The DWARF Call Frame Information (CFI) provides the debugger with enough information about how a function is called so that it can locate each of the arguments to the function, locate the current call frame, and locate the call frame for the calling function. This information is used by the debugger to "unwind the stack," locat­ing the previous function, the location where the function was called, and the val­ues passed.
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2013-05-08T22:50:45 < Ranewen> gday, does anyone knows the communication protocole of so called headphones keys (volume up, next song etc.)
2013-05-08T22:50:49 < inca> the CFI is encoded as a sequence of instructions that are interpreted to generate a table. There is one row in this table for each address that contains code. The first column contains the machine address while the subsequent columns contain the values of the machine registers when the instruction at that ad­dress is executed
2013-05-08T22:51:38 < inca> Ranewen: what platform? Sony?
2013-05-08T22:51:53 < Ranewen> android
2013-05-08T22:52:28 < Ranewen> inca: i could use a scope in my school to find out.. but....
2013-05-08T22:53:33 < inca> Ranewen: I'd imagine an LA would be more useful. but google before that
2013-05-08T22:54:03 < Ranewen> actually, my roomate is asking me this question (he googled it)
2013-05-08T22:54:20 < inca> you may wish to double check his googling
2013-05-08T22:54:41 < inca> because, IIRC, android is open source...
2013-05-08T22:55:18 < Ranewen> haha
2013-05-08T22:55:28 < Ranewen> i'm googling it and i already found what i was looking 4
2013-05-08T22:55:37 < inca> great
2013-05-08T22:56:50 < inca> PaulFertser: so we are interested in .debug_frame section of the ELF?
2013-05-08T22:57:57 < PaulFertser> inca: looks like it, yes
2013-05-08T22:58:33 < Ranewen> if anyone wants http://hackaday.com/2010/11/03/patching-into-android-music-control/
2013-05-08T22:59:02 < Ranewen> either way thanks
2013-05-08T22:59:07 < inca> Ranewen: np!
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2013-05-08T23:07:52 < inca> arm-none-eabi-readelf -wF semihost-CM3.axf
2013-05-08T23:07:58 < inca> ^^ for debug frame
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2013-05-08T23:20:49 < Robint91> silly amp http://i.imgur.com/S1coap3.png
2013-05-08T23:20:58 < Robint91> I want more gain above 10Mhz
2013-05-08T23:22:12 < inca> more verbose: dwarfdump --debug-frame semihost-CM3.axf
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2013-05-08T23:26:47 < inca> PaulFertser: https://wiki.linaro.org/KenWerner/Sandbox/libunwind
2013-05-08T23:27:21 < inca> we may need to add -funwind-tables
2013-05-08T23:28:47 < PaulFertser> inca: but it doesn't seem to be related to dwarf debug_frame.
2013-05-08T23:29:37 < inca> UNW_ARM_UNWIND_METHOD
2013-05-08T23:29:54 < inca> apparently DWARF is just one way to do it
2013-05-08T23:30:22 < inca> gcc can do DWARF, gstabs, and others (maybe like ARM specific)
2013-05-08T23:30:48 < inca> you were right, an external lib is the right way to handle that complexity
2013-05-08T23:31:50 < inca> wrong variable name, UNW_ARM_METHOD_DWARF
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2013-05-08T23:42:26 < inca> except the lib is already done for us… or at least, started. libunwind
2013-05-08T23:42:39 < inca> https://wiki.linaro.org/ZachWelch/Sandbox/libunwind
2013-05-08T23:42:52 < inca> ah, ptrace
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2013-05-08T23:50:45 < inca> .ARM.exidx and .attributes appear in readelf -e
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2013-05-08T23:58:25 < inca> aha!
2013-05-08T23:58:46 < inca> arm-none-eabi-readelf -u semihost-CM3.axf  :  Unwind table index '.ARM.exidx' at offset 0x9504 contains 1 entries: 0x8000098 <_mainCRTStartup>: 0x1 [cantunwind]
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2013-05-08T23:59:13 < inca> let's see if some compile time options can't fix that
--- Day changed Thu May 09 2013
2013-05-09T00:00:20 < inca> PaulFertser: I added -funwind-tables to LDFLAGS, and that seemed to populate the unwind section of the elf file
2013-05-09T00:00:59 < PaulFertser> inca: interesting, does it seem to help if you stop in HardFault?
2013-05-09T00:01:20 < inca> forgive my complete ignorance, how can I cause a HardFault?
2013-05-09T00:01:36 < PaulFertser> UweBonnes: hi :) i have a question regarding aux UART on stlinks. Do you know why i soldered to UART1 and not UART2? ;)
2013-05-09T00:01:57 < inca> greetings, UweBonnes!
2013-05-09T00:01:59 < PaulFertser> inca: probably like this: *(uint32_t*)0 = 0;
2013-05-09T00:02:05 < UweBonnes> Greetings all!
2013-05-09T00:02:14 < GargantuaSauce> inca: use a peripheral whose clock has not been enabled
2013-05-09T00:02:38 < UweBonnes> PaulFertser: On F0 and F3 Discovery, the connection is already there.
2013-05-09T00:03:19 < PaulFertser> UweBonnes: but on the vl discovery board both UARTs are floating :)
2013-05-09T00:03:37 < UweBonnes> And from a practical point: Connecting flying wires on the edge of the pin row is much easier.
2013-05-09T00:04:38 < UweBonnes> Didn't consider the VL Diacovery.
2013-05-09T00:04:47 < inca> hmm… I'll switch to a cheap ST dev board from my board for the hardfault testing =)
2013-05-09T00:05:19 < GargantuaSauce> it doesn't explode or anything, just....stops
2013-05-09T00:05:21 < PaulFertser> UweBonnes: yes, but i had to solder to UART1 because it's the only uart that can be used by the ROM bootloader, so i didn't need any extra equipment (apart from UART on my netbook and tweezers to pull BOOT) to reflash stlink via bootloader.
2013-05-09T00:05:32 < GargantuaSauce> or rather jumps to an interrupt handler you've defined
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2013-05-09T00:06:27 < UweBonnes> PaulFertser: With enough skills, nearlly ererything is possible.
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2013-05-09T00:07:49 < PaulFertser> UweBonnes: i think i'd like to propose a make variable to select the uart for acm :)
2013-05-09T00:08:09 < UweBonnes> Paul: What baord do you mean exact?
2013-05-09T00:08:22 < PaulFertser> UweBonnes: stm32vldiscovery
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2013-05-09T00:10:05 < UweBonnes> stm32vldiscovery I don't have in my collection.
2013-05-09T00:11:10 < inca> speaking of stm32vldiscovery, the latest openocd -f board/stm32vldiscovery.cfg is puking on me: Info : This adapter doesn't support configurable speed
2013-05-09T00:11:10 < PaulFertser> UweBonnes: what i mean is that when i compile BMP without any mods, i'm not getting UART exposed on pins...
2013-05-09T00:11:14 < gsmcmull1n> PaulFertser: Hi.  I did see your emails.  Sorry, I've been flying around the world.  I'll have a look at the patches this morning.
2013-05-09T00:11:32 < PaulFertser> inca: that's just informational, might be safe to ignore.
2013-05-09T00:11:44 < inca> PaulFertser: Error: open failed =(
2013-05-09T00:11:44 < PaulFertser> gsmcmull1n: no hurry :) Hope you're enjoying the trip :)
2013-05-09T00:12:31 < gsmcmull1n> PaulFertser: I live in New Zealand and work in California.  It's a long commute.
2013-05-09T00:12:38 < PaulFertser> inca: with Linux, the kernel, you need to ask the kernel usb-storage driver to ignore stlinkv0 device, otherwise it claims it and prevents OpenOCD from working.
2013-05-09T00:12:40 < UweBonnes> stm32vldiscovery seems to be a STLINK-V1
2013-05-09T00:12:52 < PaulFertser> Yes, v1
2013-05-09T00:12:55 < inca> hmm… I'm in macos x
2013-05-09T00:13:03 < PaulFertser> inca: i understand but probably it's the same there
2013-05-09T00:13:24 < UweBonnes> The mass storage driver ogf the V1 is _so_ broken...
2013-05-09T00:15:25 < UweBonnes> gsmcmull1n: Gareth, how often do you commute?
2013-05-09T00:15:43 < inca> too much pain, trying F0 discovery
2013-05-09T00:17:09 < inca> uh huh… F3 and F4 are doing the same fail
2013-05-09T00:17:39 < inca> sorry, slightly different
2013-05-09T00:17:41 < inca> Error: Debug Adapter has to be specified, see "interface" command
2013-05-09T00:17:45 < gsmcmull1n> UweBonnes: It's supposed to be a month here and a month there, but it really depends on what's happening with the work and how much I can get done at home.
2013-05-09T00:17:49 < inca> specify stlink?
2013-05-09T00:18:02 < inca> doh
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2013-05-09T00:18:20 < inca> I forgot the -f =)
2013-05-09T00:20:24 < inca> still breaks vldisco… anyway, F3
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2013-05-09T00:23:42 < UweBonnes> PaulFertser: Perhaps consider a BMP variant for the VL!
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2013-05-09T00:25:21 < PaulFertser> UweBonnes: what would be different about it apart from the UART number? Also i agree soldering to edge pins is easier.
2013-05-09T00:28:02 < UweBonnes> So what about an additional make variable ?
2013-05-09T00:30:11 < PaulFertser> UweBonnes: i can implement it that way to have "make PROBE_HOST=stlink CDCUART=UART1" to generate a nice binary for me and without CDCUART a suitable binary for other stlinks.
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2013-05-09T00:42:28 < inca> PaulFertser: bt/where commands within gdb produce the same output for both the elf with and without the -f unwind LDFLAG
2013-05-09T00:43:14 < PaulFertser> inca: is it while stopped inside the handler? Do you see the backtrace?
2013-05-09T00:44:05 < inca> does ^C in gdb stop execution when using openocd?
2013-05-09T00:44:12 < PaulFertser> inca: yes
2013-05-09T00:44:17 < inca> then yes
2013-05-09T00:44:21 < inca> and, I think so
2013-05-09T00:45:10 < inca> #0 HardFault_Handler (), #1 <signal handler called>, #2 0x08000146 in start (), #3  0x080012a2 in _swiwrite (), #4  0x00000000 in ?? ()
2013-05-09T00:45:14 < inca> maybe not
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2013-05-09T00:47:13 < PaulFertser> inca: hm, looks like a proper backtrace all right. I've seen that only with BMP, never with OpenOCD.
2013-05-09T00:47:55 < PaulFertser> Or almost proper
2013-05-09T00:48:02 < inca> yes, almost proper
2013-05-09T00:48:11 < inca> # 4 worries me
2013-05-09T00:48:34 < PaulFertser> Probably the whole backtrace is bogus, do you expect _swiwrite in there?
2013-05-09T00:50:06 < inca> hard to say… it's part of printf, which was the semihosting test I was just playing with, but the hardfault was your example code after the printfs were called
2013-05-09T00:50:24 < PaulFertser> So they shouldn't be in the backtrace.
2013-05-09T00:50:31 < inca> I don't believe so
2013-05-09T00:54:16 < inca> ARM spec on Exception Handling ABI: http://infocenter.arm.com/help/topic/com.arm.doc.ihi0038a/IHI0038A_ehabi.pdf
2013-05-09T00:55:00 < PaulFertser> inca: if you connect your BMP to the same target you should see proper backtrace in gdb.
2013-05-09T00:55:20 < inca> testing...
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2013-05-09T00:58:15 < PaulFertser> inca: i might be too sleepy already but your last link looks like exceptions in the C++ (and other software-type) sense, not hardware exception handling.
2013-05-09T00:58:45 < inca> PaulFertser: I think Linaro bridges the two
2013-05-09T00:59:01 < inca> PaulFertser: get some sleep, we can pick this up tomorrow
2013-05-09T00:59:10 < inca> thanks for your help
2013-05-09T00:59:56 < PaulFertser> inca: thank you for you interest in digging this really complicated unwinding stuff :) I won't go to sleep till you share BMP exception handling results though :)
2013-05-09T01:00:14 < inca> ok… bmp is failing to load my elf. hmm
2013-05-09T01:02:32 < inca> there we go
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2013-05-09T01:06:37 < inca> bmp process: attach, load, run, cont until it doesn't give interactivity back, break ^C, bt
2013-05-09T01:07:27 < inca> http://pastebin.com/eHYjFdc6
2013-05-09T01:08:45 < inca> with -f unwind: http://pastebin.com/2q0ULjBB
2013-05-09T01:09:16 < PaulFertser> inca: what if you do "bt" right after attach?
2013-05-09T01:09:40 < PaulFertser> (or at least not do continue after SIGSEGV) :)
2013-05-09T01:10:47 < inca> http://pastebin.com/ZJ1h5dtL
2013-05-09T01:11:00 < inca> that's without f unwind
2013-05-09T01:11:26 < PaulFertser> inca: yes, that's nice backtrace all right (provided your main function is called start)
2013-05-09T01:12:08 < inca> main is main() in the c file… it is the weird gae sample for semihosting though
2013-05-09T01:13:41 < inca> probably need -ggdb or some such
2013-05-09T01:13:44 < inca> adding...
2013-05-09T01:14:27 < PaulFertser> inca: I recommend -g3
2013-05-09T01:14:40 < PaulFertser> That way you'll get all the possible support (including cpp macros)
2013-05-09T01:14:49 < inca> excellent
2013-05-09T01:16:49 < PaulFertser> inca: probably if start is called at the very beginning of main and is inlined, then it's probably having exactly the same address as main, so you see it in backtrace instead of main.
2013-05-09T01:17:03 < inca> sounds reasonable enough to me
2013-05-09T01:17:12 < inca> without unwind: http://pastebin.com/Bd6v6WeF
2013-05-09T01:18:18 < UweBonnes> Good night!
2013-05-09T01:18:21 < PaulFertser> inca: so without unwind it's broken
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2013-05-09T01:18:43 < inca> with -f unwind: http://pastebin.com/WHKJNpwR
2013-05-09T01:19:26 < inca> next time we'll set up an SSH 'screen' session and I'll let you drive once I have the setup ;)
2013-05-09T01:19:46 < PaulFertser> Strange. I do not trust that semihosting sample much, it's too weird.
2013-05-09T01:20:10 < PaulFertser> Good night, see you soon :)
2013-05-09T01:20:23 < PaulFertser> inca: and thank you!
2013-05-09T01:20:23 < inca> hahaha… it's pretty simple stuff in the gae share stuff. night, Paul!
2013-05-09T01:20:29 < inca> no problem… it's been fun
2013-05-09T01:20:52 < inca> now time for the work stuff! weeee!
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2013-05-09T01:34:08 < inca> awww… -fasynchronous-unwind-tables looks much better than -funwind-tables
2013-05-09T01:34:11 < inca> DWARF2
2013-05-09T01:34:13 < inca> http://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html#Code-Gen-Options
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2013-05-09T01:42:14 < inca> interesting and different results
2013-05-09T01:42:20 < inca> still not correct
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2013-05-09T01:59:11 < inca> pretty great GDB overview by the linaro folks: https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&ved=0CD4QFjAB&url=http%3A%2F%2Fwww.linaro.org%2Fdocuments%2Fdownload%2Fa20791990348e58a4fd6b10f724ee7524fc83fda0295a&ei=kbSKUeGyI6rxygHPqICYAQ&usg=AFQjCNFWlss1grEQCq14JOCJ7RQaqfxuHg&sig2=hu42SyLkTIJExNVR2vFpjw&bvm=bv.46226182,d.aWc&cad=rja
2013-05-09T01:59:18 < inca> crap… that link sucks
2013-05-09T02:00:25 < inca> http://www.linaro.org/documents/download/a20791990348e58a4fd6b10f724ee7524fc83fda0295a
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2013-05-09T03:35:03 < gxti> inca: that's really nice
2013-05-09T03:35:07 < gxti> gdb is super not discoverable
2013-05-09T03:35:22 < gxti> even if you know some feature definitely exists you might never find how to invoke it unless you ask somebody else :(
2013-05-09T03:36:08 < upgrdman> inca: awesome link. thanks for sharing
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2013-05-09T03:49:44 < inca> gxti upgrdman: this is adding to the pile of evidence that we may want to take the linaro-gcc toolchain (like the old Summon ARM toolchain) and patch in the cortex-m* fixes/updates from gcc-arm-embedded
2013-05-09T03:50:11 < upgrdman> i though GAE was part of linaro?
2013-05-09T03:50:14 < gxti> i forgot about summon, that was one of the other ones i tried and failed to debug with
2013-05-09T03:51:21 < gxti> i said tnt earlier but actually that one may have worked, in the binary tarball though gdb was linked against a lib i didn't have (wrong python version maybe) so i couldn't use it, haven't gotten around to compiling from source
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2013-05-09T04:12:15 < inca> upgrdman: gae is not, as far as I have been able to tell, a part of linaro. Namely because linaro is, unfortunately, aimed at running linux on arm, which currently requires MMU (cortex-a*)
2013-05-09T04:12:33 < upgrdman> o ok
2013-05-09T04:13:02 < inca> otherwise, ARM is a linaro partner and one of the main contributors
2013-05-09T04:13:16 < johntrampie> hi what's a good way to prototype with an f4 discovery board? obviously a breadboard is going to short out half of the pins
2013-05-09T04:13:23 < johntrampie> do i need to veroboard it?
2013-05-09T04:13:48 < GargantuaSauce> for just dicking around I use female jumpers
2013-05-09T04:13:50 < BrainDamage> get female-female jumper wires
2013-05-09T04:14:01 < BrainDamage> then plug whatever into the end
2013-05-09T04:14:10 < GargantuaSauce> for slightly more robust things i use protoboard with a pair of female headers
2013-05-09T04:14:16 < inca> johntrampie: what BrainDamage said. a protoboard and header pins with f2f jumper wires
2013-05-09T04:14:30 < inca> GargantuaSauce++
2013-05-09T04:14:50 < inca> johntrampie: for examples, see the STM extension boards
2013-05-09T04:15:03 < johntrampie> ok cheers
2013-05-09T04:15:24 < johntrampie> it would be nice if they had the longer pins on top for that
2013-05-09T04:15:33 < BrainDamage> they still plug ok
2013-05-09T04:15:47 < BrainDamage> they are not super robust, but work good enough
2013-05-09T04:18:25 < johntrampie> ok
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2013-05-09T05:09:56 < inca> gxti: python can be added to gae without trouble: https://answers.launchpad.net/gcc-arm-embedded/+question/218684
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2013-05-09T05:13:01 < gxti> inca: that's not what i was saying. the TNT (not gae) binary package *is* linked against python, but not the one on my system, so gdb won't launch. i would have to recompile from source if i wanted to use the gdb from tnt, but there's not much need since i have gae anyway.
2013-05-09T05:16:39 < inca> fair enough… though I'll have to add python to gae or move to linaro if I get to testing Gareth's magictpa
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2013-05-09T05:23:10 < inca> wow… now this is a debug link: http://www.arm.com/products/tools/software-tools/ds-5/arm-dstream-high-performance-debug-trace.php
2013-05-09T05:23:51 < inca> 60 MHz JTAG, 16x600 Mbps trace, 4 GB bugger...
2013-05-09T05:24:09 < inca> 2.5 MB/s downloads
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2013-05-09T07:13:20 < bairdy> Daily Laurenceb: https://en.wikipedia.org/wiki/Krukenberg_procedure
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2013-05-09T07:26:15 < GargantuaSauce> that is actually really cool
2013-05-09T07:28:15 < bairdy> found a pic of a /white person/ with it: http://www.engon.de/protosimplex/heimzeitg.jpg
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2013-05-09T07:47:17 < dongs> helleo chats
2013-05-09T07:47:48 < R2COM> hello techtrolls
2013-05-09T07:50:32 < R2COM> http://i.imgur.com/2hMDJTB.png
2013-05-09T07:51:35 < dongs> cool striplines bro
2013-05-09T07:52:02 < R2COM> why no
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2013-05-09T08:42:01 < Robint91> hi all
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2013-05-09T12:25:57 < dongs> http://www.panelook.com/LTL089CL02-001_SAMSUNG_8.9_LCM_overview_18283.html
2013-05-09T12:26:03 < dongs> ooOoOooooOOooOOOooOOOOoOOOooOOoOOOOoo
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2013-05-09T14:24:11 <+Steffanx> lol people found your tarduino website dongs  :)
2013-05-09T14:31:11 < dongs> who did?
2013-05-09T14:31:23 < dongs> am i on hackaday yet
2013-05-09T14:32:15 < zyp> it's just Robint91 retweeting it in other channels
2013-05-09T14:33:50 < dongs> gmail has been fucked
2013-05-09T14:33:51 < dongs> loading so slow
2013-05-09T14:37:31 <+Steffanx> I mean.. you have comments
2013-05-09T14:37:35 < dongs> oh
2013-05-09T14:37:36 < dongs> yeah
2013-05-09T14:37:51 < dongs> the last guy's google translate is broken
2013-05-09T14:38:03 < dongs> for some reason it translated 'clone' as 'test'
2013-05-09T14:38:13 <+Steffanx> LOL :P
2013-05-09T14:39:08 < dongs> got 50 fpc connectors in the mail
2013-05-09T14:51:09 < Laurenceb> hahahahahaha
2013-05-09T14:52:36 <+Steffanx> ...
2013-05-09T14:59:46 < dongs> wuat
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2013-05-09T15:03:24 < Robint91> dongs, *This comment has been removed by the author.
2013-05-09T15:03:24 < Robint91> * WHAT
2013-05-09T15:03:52 < Robint91> dongs, do a kickstarter project for those boards :p
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2013-05-09T17:24:37 < Robint91> https://www.dropbox.com/s/tt88t0v84y5uy62/2013-05-09%2016.20.22.jpg
2013-05-09T17:24:39 < Robint91> it fits
2013-05-09T17:26:47 < daisy94> Robint91: What is that design?
2013-05-09T17:27:23 < Robint91> daisy94, my new pen for my interactive whiteboard system
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2013-05-09T17:36:00 < dongs> http://i.imgur.com/baZaV.gif retweeting
2013-05-09T17:36:28 < dongs> Robint91: what is top right part above stm
2013-05-09T17:36:41 < Robint91> dongs, gyro
2013-05-09T17:36:51 < dongs> l3gd or somesuch?
2013-05-09T17:36:59 < Robint91> l3gd20
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2013-05-09T18:01:48 < Tectu> did anyone ever implement an artificial horizon?
2013-05-09T18:01:53 < Tectu> I mean as a GUI element
2013-05-09T18:03:44 < Laurenceb> i got it running
2013-05-09T18:03:51 < Laurenceb> but i used openpilot gcs
2013-05-09T18:03:55 < Laurenceb> so i cheated XD
2013-05-09T18:04:30 < Tectu> got some demo to show?
2013-05-09T18:08:18 < Laurenceb> no
2013-05-09T18:08:31 < Laurenceb> http://www.sickipedia.org/joke/view/1467320
2013-05-09T18:09:19 < Robint91> Laurenceb, +1
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2013-05-09T18:11:04 < dirty_d> ello
2013-05-09T18:19:57 <+Steffanx> lol time no see mr dirty_d
2013-05-09T18:20:13 <+Steffanx> Even thought your copted chopped your head of :P
2013-05-09T18:20:16 < dirty_d> yea my quadcopter attacked me and I was in a coma
2013-05-09T18:20:34 < dirty_d> jk I broke up with my ex girlfreind and moved out for a while until she was gone, lol
2013-05-09T18:22:35 <+Steffanx> i totally believed you when you said that about your copted and the coma :P
2013-05-09T18:22:45 < dirty_d> lol
2013-05-09T18:23:29 < Laurenceb> "coptered"
2013-05-09T18:26:33 < dirty_d> lol http://i.imgur.com/A9e4R.jpg
2013-05-09T18:28:46 <+Steffanx> You must be a bad programmer when you need a recursive function for that ..
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2013-05-09T18:54:51 < dirty_d> I need a grill, http://i.imgur.com/CGNyl9v.jpg
2013-05-09T18:54:54 < dirty_d> and a backyard
2013-05-09T19:03:25 < Laurenceb> hmm
2013-05-09T19:03:30 < Laurenceb> looks rather hot
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2013-05-09T19:04:53 < Erlkoenig> i take back everything... there's plenty of room on the PCB and such we can use a µSD card and a proper battery for the RTC...
2013-05-09T19:15:17 < dongs> any lunix kernel driver dev pros here? how can I run make in just a certain dir to build stuff quickly instead of waiting for entire make modules
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2013-05-09T19:31:46 < inca> anyone know of an affordable IP camera? I need 4 cameras in a house for some old folks
2013-05-09T19:32:18 < inca> dongs: look for the targets within the makefiles to track it down to the lowest level of granularity
2013-05-09T19:35:43 < gxti> dongs: e.g. make fs/btrfs/btrfs.ko
2013-05-09T19:37:37 < gxti> actually it looks like you can even just give it the dir name
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2013-05-09T20:10:10 < Robint91> C question
2013-05-09T20:10:21 < Robint91> if have an enum with a = 0, b , c
2013-05-09T20:10:34 < Robint91> to know that var = b or c
2013-05-09T20:10:39 < Robint91> can I do var > a?
2013-05-09T20:10:57 < PaulFertser> Robint91: yes
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2013-05-09T20:47:54 < inca> gxti: I heard a rumor you have experience with SNTP on LwIP stack
2013-05-09T20:48:10 < gxti> inca: not sntp, no
2013-05-09T20:48:28 < qyx_> sntp || ntp :X
2013-05-09T20:48:41 < gxti> er yeah sntp
2013-05-09T20:48:42 < gxti> i read snmp
2013-05-09T20:48:52 < gxti> and lwip has some snmp crap i don't use
2013-05-09T20:48:56 < inca> fair enough… I am looking for ways to go about bringing it up. set up local NTP server, test it with computers first
2013-05-09T20:48:58 < inca> word =)
2013-05-09T20:49:20 < qyx_> you want to do server or client?
2013-05-09T20:49:27 < inca> Not sure where to start with the lwip stuff. I think it uses netconn in the SNTP example (contrib)
2013-05-09T20:49:30 < inca> client
2013-05-09T20:50:03 < gxti> yeah i'm using NO_SYS right now
2013-05-09T20:50:10 < gxti> pretty straightforward http://hg.partiallystapled.com/circuits/laureline/raw-file/1ae990af75c0/code/main/src/ntpserver.c
2013-05-09T20:50:18 < inca> I have it on chibios
2013-05-09T20:50:21 < qyx_> off, going to catch trololobus
2013-05-09T20:50:30 < inca> qyx_: cheers!
2013-05-09T20:51:24 < gxti> i'm currently in the middle of a rewrite on the timing side, the result might actually be comprehensible
2013-05-09T20:52:12 < inca> I haven't read the RFC yet, but I presume the client is the one you run on the embedded device that is looking to sync its clock?
2013-05-09T20:52:28 < gxti> this is a ntp *server*
2013-05-09T20:52:40 < inca> I caught that in the filename =)
2013-05-09T20:53:06 < gxti> it's meant for PC clients running full ntp stacks, although it will of course work with embedded clients
2013-05-09T20:53:27 < inca> gotcha
2013-05-09T20:57:44 < inca> gxti: in working with LwIP, how do you go about testing/debugging new features?
2013-05-09T20:58:15 < inca> just in general
2013-05-09T21:02:00 < gxti> inca: shrug
2013-05-09T21:04:44 < inca> well… time to read!
2013-05-09T21:04:47 < inca> bbl =)
2013-05-09T21:05:25 < gxti> rigid: wat
2013-05-09T21:10:09 < Robint91> okaaaaay
2013-05-09T21:10:17 < Robint91> I don't find SysTick_Config
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2013-05-09T21:17:38 < rigid> gxti: did I query you?
2013-05-09T21:18:07 < rigid> damn, irc -> znc -> jabber IRC transport doesn't seem to work as it should :-/
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2013-05-09T21:29:50 < qyx_> inca: huh? debugging is the same as on normal architecture using sockets
2013-05-09T21:29:56 < qyx_> actually i use sockets under lwip too
2013-05-09T21:30:05 < DLPeterson> anybody here use FatFS on a stm32F4 that has knowledge of latencies/sustained write speeds/buffer sizes?
2013-05-09T21:38:30 < TitanMKD> DLPeterson i think latencies/sustained write will vary more depending on peripheral than on code
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2013-05-09T21:47:21 < DLPeterson> TitanMKD, this is with the stm32F4 sdio peripheral.
2013-05-09T21:47:34 < DLPeterson> F407, to be precise.
2013-05-09T21:48:58 < DLPeterson> I know I should be calling f_write() with chunks of data that are integer multiples of 512 bytes, but I guess I'm wonder whether the write latency depends on how big of block of data you ask to write
2013-05-09T21:49:57 < DLPeterson> as I understand it, sd cards need to first find the space for the data you request, and then once they do that they can transfer that data the clock speed that you've configured your peripheral to run at
2013-05-09T21:51:03 < DLPeterson> the latencies influence how big I need to make my buffers
2013-05-09T21:51:36 < Ranewen> why no clock gating on stm32f4 ?
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2013-05-09T21:54:11 < Robint91> who has a good delay routing for the F100
2013-05-09T21:55:20 < TitanMKD> anyway M4F is just the fastest CortexM MCU
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2013-05-09T22:07:10 < DLPeterson> hazelnusseKZRB6fRpjoZmOp6d9H1YoCrDgeWkFUGf
2013-05-09T22:07:32 < DLPeterson> oops. sorry.
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2013-05-09T22:12:25 < DLPeterson> Ranewen, i'm not sure about clock gating... how does that come in to play with the sd card?
2013-05-09T22:13:03 < Ranewen> DLPeterson: sent to wrong channell
2013-05-09T22:13:22 < DLPeterson> ah
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2013-05-09T22:19:40 < karlp> Robint91: what does that mean? "good delay routing" for the f100?
2013-05-09T22:20:02 < Robint91> *routine
2013-05-09T22:20:07 < Robint91> damm
2013-05-09T22:20:28 < karlp> while(delay-- > 0) ? what are you looking for?
2013-05-09T22:20:37 < Robint91> but accurate
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2013-05-09T22:35:18 < DLPeterson> Robint91, use a timer to trigger an interrupt
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2013-05-09T22:35:53 < DLPeterson> or if you are running some sort of RTOS, they should have something a bit easier to setup that will give you the same functionality.
2013-05-09T22:37:17 < DLPeterson> usually you can set the timer to count up, you have to configure the input clock speed, and then you can set a value in the capture compare register (CCR) of the timer that will trigger an interrupt when the timer count reaches that value.
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2013-05-09T22:38:35 < DLPeterson> Robint91, how accurate do you need and do you want the CPU to do other useful work while waiting, or do you just want to sit and spin?
2013-05-09T22:39:00 < Robint91> DLPeterson, need around 10uS resolution
2013-05-09T22:39:01 < DLPeterson> if you don't want the CPU to do anything else, then do what karlp suggested
2013-05-09T22:39:15 < Robint91> within those delays I don't need to do anything
2013-05-09T22:40:44 < DLPeterson> i would probably just do what he suggested and either look at the generated assembly to get an instruction count so you can figure out how big to make the initial counter value, or just experiment. set a gpio high before the while loop and low after the loop and then time it with an oscilloscope
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2013-05-09T22:42:03 < DLPeterson> each iteration of the loop will probably be something like 2 or 3 instructions: a decrement, a compare and a jump
2013-05-09T22:43:02 < DLPeterson> the decrement and compare might be a single instruction, i'm not sure
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2013-05-09T22:45:36 < UweBonnes> You can spin for a pre-calculate value of thesystick counter.
2013-05-09T22:47:23 < karlp> yeah, that's a nice one.
2013-05-09T22:47:33 < karlp> if you hav eyour systick to give a nice enough granularity
2013-05-09T22:47:56 < karlp> I've done that in contiki for usec busy delays
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2013-05-09T23:11:39 < UweBonnes> We have done that in Ethernut for usec busy delays
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2013-05-10T00:18:03 < inca> all right, NTP server is up, tested. time to start bringing up the SNTP client with LwIP stack, netconn api (I think)
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2013-05-10T00:35:58 < Robint91> SEMIHOSTING IS COOL
2013-05-10T00:35:59 < Robint91> wut
2013-05-10T00:37:04 < zyp> ok
2013-05-10T00:37:28 < Robint91> just gotten it to work
2013-05-10T00:38:15 < inca> Robint91: welcome to 21st century debugging!
2013-05-10T00:38:19 < Laurenceb_> nice
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2013-05-10T00:38:29 < Robint91> inca, still using prinft to debug
2013-05-10T00:38:43 < Robint91> *printf
2013-05-10T00:38:55 < zyp> heh
2013-05-10T00:38:55 < inca> oh don't worry, I'll never give up my uart serial console
2013-05-10T00:39:03 < Laurenceb_> can you pastebin an example?
2013-05-10T00:39:36 < inca> Laurenceb_: gcc-arm-none-eabi-4_7-2013q1/share/gcc-arm-none-eabi/samples/src/semihost
2013-05-10T00:39:37 < Robint91> Laurenceb_, CoIDE has support for semihosting
2013-05-10T00:39:46 < Robint91> with the ST-link
2013-05-10T00:39:56 < Laurenceb_> hmmm
2013-05-10T00:40:05 < Laurenceb_> wait does it need special st-link driver?
2013-05-10T00:40:10 < zyp> apart from not requiring a uart, semihosting still has pretty much all the other problems with printf style debugging
2013-05-10T00:40:19 < Laurenceb_> lol yeah
2013-05-10T00:40:27 < zyp> i.e. overhead
2013-05-10T00:40:28 < Laurenceb_> and less useful for real time
2013-05-10T00:40:29 < inca> the ARM examples are the minimum set for semihosting
2013-05-10T00:40:35 < Laurenceb_> usart you can use dma
2013-05-10T00:40:50 < Laurenceb_> so you need special st-link driver?
2013-05-10T00:41:13 < inca> Laurenceb_: bmp/hostio branch or openocd 0.7
2013-05-10T00:41:18 < Robint91> Laurenceb_, the one that is include with CoIDE works quite well
2013-05-10T00:41:23 < inca> both work for STLink/V2
2013-05-10T00:41:30 < zyp> formatting still happens on device
2013-05-10T00:41:55 < Laurenceb_> inca: ok, ill have to give openocd a try
2013-05-10T00:42:16 < Laurenceb_> atm i just printf using custom printf using dma over bluetooth
2013-05-10T00:42:28 < Laurenceb_> so no complaints from me :P
2013-05-10T00:42:47 < inca> Laurenceb_: don't forget to "mon arm semihosting enable"
2013-05-10T00:43:02 < Laurenceb_> ok
2013-05-10T00:43:12 < inca> zyp: it might be fun to share peripherals from host to target and vice versa via semihosting
2013-05-10T00:43:22 < inca> interactive development
2013-05-10T00:43:30 < inca> hardware faults galore!
2013-05-10T00:43:36 < inca> self-modifying code!
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2013-05-10T00:44:03 < inca> what could go wrong?
2013-05-10T00:44:55 < zyp> I don't think it sounds neither particularly fun nor particularly useful
2013-05-10T00:45:56 < inca> yes, digging into the linker/loader would be a bit hairy, but sending deltas to your binary execution sandbox would be pretty fun
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2013-05-10T00:47:10 < PaulFertser> BTW, talking about code running from RAM. Does anyone know what the hell is ".equ  BootRAM, 0xF1E0F85F" for (can be found in many official startup files from ST).
2013-05-10T00:47:40 < karlp> address within rom?
2013-05-10T00:47:49 < inca> good evening, Paul!
2013-05-10T00:47:54 < PaulFertser> inca: evening :)
2013-05-10T00:48:33 < PaulFertser> karlp: i've never seen this symbol referenced/used/mentioned anywhere at all and can't imagine what it might be useful for
2013-05-10T00:48:47 < zyp> it's probably not
2013-05-10T00:48:54 < inca> 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%2fLast%20entry%20in%20vector%20table%20provided%20by%20ST%20startup%20scripts&FolderCTID=0x01200200770978C69A1141439FE559EB459D7580009C4E14902C3CDE46A77F0FFD06506F5B&currentviews=404
2013-05-10T00:49:10 < zyp> I bet it were left in as a mistake somewhere, and then just copypasted to everywhere
2013-05-10T00:49:11 < inca> I need a pastebin for ST forum links =P
2013-05-10T00:49:22 < zyp> it's called tinyurl
2013-05-10T00:49:31 < inca> zyp: it's called sarcasm
2013-05-10T00:50:16 < Laurenceb_> heh clive1
2013-05-10T00:50:25 < Laurenceb_> only useful guy on st forum
2013-05-10T00:50:41 < karlp> we should make him an offer to be exclusive here
2013-05-10T00:50:48 < karlp> takeover!
2013-05-10T00:51:24 < PaulFertser> inca: i've seen that forum conversation before and it totally doesn't make any sense to me
2013-05-10T00:51:33 < inca> he's probably an agent provocateur
2013-05-10T00:52:41 < inca> PaulFertser: does the linker do anything special with the symbol?
2013-05-10T00:53:29 < karlp> who was suggesting I install kdevelop?
2013-05-10T00:53:31 < PaulFertser> inca: it doesn't look like that.
2013-05-10T00:53:45 < inca> it might be a bootram reset vector?
2013-05-10T00:54:47 < gxti> those urls... so exploitable
2013-05-10T00:55:32 < gxti> they can't even make hardware right so i guess that it's no surprise they can't write forum software
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2013-05-10T00:56:24 < karlp> good enough for you to use it though right?
2013-05-10T00:58:39 < inca> https://my.st.com/public/STe2ecommunities/mcu/Lists/cortex_mx_stm32/DispForm.aspx?ID=13240
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2013-05-10T00:59:33 < inca> "If you want a similar way for boot from ram, you should locate the code 0xF1E0F85F at 0x200001E0. This code means "ldr.w pc, [pc, #-0x01E0]".
2013-05-10T00:59:35 < inca> With this workarround you can have the normal interrupt table beginning at 0x20000000 and start address located at 0x20000004."
2013-05-10T01:00:15 < inca> PaulFertser: ^^
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2013-05-10T01:03:29 < inca> has anyone seen the NaCl stuff? native ARM code in the browser!
2013-05-10T01:03:31 < inca> http://www.chromium.org/nativeclient/pnacl/building-and-testing-portable-native-client
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2013-05-10T01:04:49 < zyp> it's not native arm, it's LLVM bitcode
2013-05-10T01:06:29 < inca> the native code gets translated, close enough
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2013-05-10T01:11:04 < Simon--> dongs: I think make modules -C <kernel src dir> SUBDIRS=<dir to build>
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2013-05-10T01:14:35 < PaulFertser> inca: now that explains it, thank you! :)
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2013-05-10T01:17:02 < inca> PaulFertser: At first I thought it was a bizarre memory location, but it didn't make sense to not be mentioned in the ARM documentation (at least as reserved for vendor specific stuff). I suppose next time I might feel more inclined to pass something like that to the ARM disassembler =)
2013-05-10T01:17:30 < inca> it does /look/ like machine code
2013-05-10T01:20:25 < PaulFertser> inca: but i think it wouldn't be so obvious if you didn't know the address it's stored at, because it uses a PC-relative offset.
2013-05-10T01:21:31 < inca> Oh, the joys of writing maintainable code. I feel a comments rant brewing...
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2013-05-10T02:03:52 < inca> ooo… this embed SNTP client package looks slick. RPC control from web calls… I might just have to do that
2013-05-10T02:08:03 < inca> jpa-: how hard was it to bring up RPC in ChibiOS? https://svn.kapsi.fi/jpa/paatti-chibios/rpc/rpc.h
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2013-05-10T02:26:20 < rigid> i'm looking into security stuff... do all stm32's come with code readout protection?
2013-05-10T02:27:26 < timemob> Yes and it doesn't help much
2013-05-10T02:27:27 < rigid> i wonder how safe it is to embed a secret key in the bootloader to decrypt a firmware upgrade
2013-05-10T02:27:34 < karlp> it's not.
2013-05-10T02:27:40 < rigid> ok :)
2013-05-10T02:27:50 < karlp> well, it will certainly stymie some of your users
2013-05-10T02:28:02 < karlp> and if it's a key per device, it might be more than enough
2013-05-10T02:28:06 < rigid> timemob: why not? is it so easy to read code out anyway?
2013-05-10T02:28:24 < karlp> didn't the topic used to have a forum post explaining the bugs in it?
2013-05-10T02:28:39 < timemob> Yes.
2013-05-10T02:28:47 < timemob> Right
2013-05-10T02:29:14 < rigid> hm... i'm talking about a level of security that doesn't cover special agencies or high level industry espionage
2013-05-10T02:29:32 < karlp> rigid: it only takes a few grand to get the tops dissolved in china
2013-05-10T02:29:40 < rigid> but "bug" sounds like you could really simply read the fw out without special equipment
2013-05-10T02:29:52 < karlp> that's assuming that you didn't make a _single_ fault anywhere else in your chain :)
2013-05-10T02:29:56 < timemob> How about nerds with st link
2013-05-10T02:29:58 < rigid> karlp: yeah i'm aware of that. I wouldn't try to protect against that
2013-05-10T02:30:03 < inca> karlp: there are folks in the US that do it for about $100
2013-05-10T02:30:16 < karlp> inca: excellent :)
2013-05-10T02:30:20 < timemob> Why do you want to prevent readout anyway
2013-05-10T02:30:30 < rigid> karlp: well, it's not so hard. keeping the secret key secret is manageable
2013-05-10T02:30:32 < karlp> even more reason to stop people thinking that readout protection is the answer to their problems.
2013-05-10T02:30:34 < inca> rigid: your data wants to be free
2013-05-10T02:30:49 < karlp> no, that's bullshit
2013-05-10T02:30:53 < karlp> the data doesn't give a damn
2013-05-10T02:31:03 < inca> karlp: *sigh*
2013-05-10T02:31:20 < rigid> inca: i'm just thinking about it. i'm releasing every single bit as open source and I'm thinking about having the latest firmware version secret.
2013-05-10T02:31:21  * inca will stop using sarcasm today
2013-05-10T02:31:38 < inca> rigid: I understand
2013-05-10T02:31:39 < rigid> besides, i'm wondering generally
2013-05-10T02:31:58 < rigid> there is stuff that must be secret... like weaponry stuff etc.
2013-05-10T02:32:12 < inca> rigid: there are no secrets
2013-05-10T02:32:28 < inca> trusted platform bullshit is all a lie
2013-05-10T02:32:50 < rigid> inca: trust me, there are secrets ;) it's just a matter of how long it remains secret.
2013-05-10T02:32:51 < timemob> If it's open sores...
2013-05-10T02:32:54 < karlp> but, you can make it substantially harder,
2013-05-10T02:33:01 < rigid> for most stuff, a few months are enough
2013-05-10T02:33:04 < karlp> and you can make it so that breaking one device doesn't break the rest
2013-05-10T02:33:54 < inca> it takes about 3 hours to de-lid a chip and dump the rom for a "common" architecture
2013-05-10T02:34:03 < rigid> well, it's _very_ hard to decrypt a GPG message where the secret key is stored with average security...
2013-05-10T02:34:17 < inca> yes… so get the key
2013-05-10T02:34:24 < inca> which is stored on the rom
2013-05-10T02:34:31 < inca> *click*
2013-05-10T02:35:06 < rigid> what's the reason why the newest nagra (iirc) isn't broken yet?
2013-05-10T02:35:16 < inca> every moment of development spent on trying to secure data from me is time wasted on not fixing the shitty parts of the hardware software integration
2013-05-10T02:35:16 < rigid> pay-tv stuff... i just heared it, i'm not into it
2013-05-10T02:35:32 < timemob> Laziness
2013-05-10T02:35:34 < rigid> i guess it's dedicated, complex hardware that can't be simulated... not OT in #stm32
2013-05-10T02:35:39 < inca> rigid: the content is shit? =)
2013-05-10T02:36:00 < rigid> hm... i doubt it... but I wouldn't be surprised :D
2013-05-10T02:36:15 < inca> netflix, at a raging $7/month works well enough
2013-05-10T02:36:19 < inca> hulu, similarly
2013-05-10T02:36:21  * karlp is happy his employer lets him fix bugs and work on features instead of attempting to prevent people from reading code out of our devices.
2013-05-10T02:36:29 < inca> karlp++
2013-05-10T02:36:32 < timemob> Lol inca
2013-05-10T02:36:38 < rigid> inca: but it doesn't deliver teh hardcores pr0n :-P
2013-05-10T02:37:01 < inca> rigid: thank god… and now kitties have surpassed pr0n for most internet traffic
2013-05-10T02:37:13 < karlp> you need paytv to get pr0n? wat?
2013-05-10T02:37:25 < rigid> karlp: i'm just wondering... but after all your job also vanishes when some bugger from china sells your work for cheap
2013-05-10T02:37:35 < inca> rigid: so innovate
2013-05-10T02:37:40 < karlp> no, it doesn't at all.
2013-05-10T02:37:40  * rigid couldn't be more open (source) minded
2013-05-10T02:37:48 < karlp> the hardware just provides data
2013-05-10T02:38:00 < rigid> inca: that only works for some time... people always think that chinese are stupid
2013-05-10T02:38:06 < karlp> we let the customer use their own data source if they don't want to buy our hardware.
2013-05-10T02:38:32 < inca> rigid: build a loyal customer base and don't compete on cost
2013-05-10T02:38:41 < rigid> karlp: so if someone copies your work and sells it for half the price you still make money? (wtf?)
2013-05-10T02:39:02 < inca> rigid: SaS
2013-05-10T02:39:06 < rigid> inca: "loyal" ... free market doesn't worke like that
2013-05-10T02:39:13 < inca> rigid: sure it does
2013-05-10T02:39:16 < rigid> maybe rarely, in practice... but in theory
2013-05-10T02:39:20 < rigid> inca: no it doesn't :)
2013-05-10T02:39:30 < rigid> free market means quality & price rule
2013-05-10T02:39:35 < rigid> not loyality
2013-05-10T02:39:35 < inca> rigid: what is a service-based model?
2013-05-10T02:39:43 < inca> rigid: we don't have a free-market
2013-05-10T02:39:52 < inca> those assumptions are way not valid
2013-05-10T02:39:54 < inca> at all
2013-05-10T02:39:56 < inca> ever
2013-05-10T02:40:01 < rigid> that's another thing, but services can be outsourced as well
2013-05-10T02:40:02 < Bird|lappy> rigid, you build loyalty by providing a quality product and standing behind it post-sale :)
2013-05-10T02:40:32 < rigid> Bird|lappy: that applies only to niche markets... take RAM or HDDs for example
2013-05-10T02:40:43 < rigid> if they work, you give a sh*t who manufactured it
2013-05-10T02:40:48 < karlp> rigid: if someone copies our work and sells it it's not a lost sale.
2013-05-10T02:40:55 < karlp> you're using film industry maths
2013-05-10T02:41:01 < inca> =)
2013-05-10T02:41:02 < rigid> to a point that they're just branded and mostly come from one of a handful production plants worldwide
2013-05-10T02:41:06 < karlp> also, yeah, software as a service on top of it.
2013-05-10T02:41:46 < inca> rigid: do you want to be a slave to the device or the impact on the quality of life of your customers?
2013-05-10T02:41:48 < karlp> also, what inca said, free market doesn't mean shit about quality and price
2013-05-10T02:41:55 < karlp> free markets will tend towards monopolies
2013-05-10T02:42:03 < GargantuaSauce> http://xn--d-bga.su/nps.jpg
2013-05-10T02:42:18 < inca> GargantuaSauce: lol
2013-05-10T02:42:18  * karlp grins
2013-05-10T02:42:22 < karlp> nice
2013-05-10T02:42:23 < rigid> karlp: true
2013-05-10T02:43:14 < rigid> GargantuaSauce: i'm not feeling insulted... ;)
2013-05-10T02:43:17 < inca> yes, free market requires 100% informed consumers
2013-05-10T02:43:35  * rigid would win any "LOC of FOSS released" contest in here 
2013-05-10T02:44:03 < inca> they even tried to apply those maths to solving traffic problems… but they found that they were limited by the speed of light for communications. Non-causal systems, ftw!
2013-05-10T02:44:05 < rigid> probably... maybe not an "amount of useful software FOSS released" contest :-P
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2013-05-10T02:44:46 < rigid> inca: hm, i don't get that... who buys something at the speed of light?
2013-05-10T02:44:52 < inca> rigid: that reminds me of a great community calendar for local events: *SBYS
2013-05-10T02:45:29 < inca> rigid: 100% informed consumers requires knowledge of the entire market everywhere to be considered at the time of purchase every time
2013-05-10T02:45:52 < inca> it's a non-starter
2013-05-10T02:45:56 < rigid> inca: sounds like a big product database to me... where's the problem?
2013-05-10T02:45:57 < inca> it's a non-causal system
2013-05-10T02:46:25 < rigid> it would be a problem if there would be infinite innovation in 0 time
2013-05-10T02:46:27 < inca> also, intuitively, when was the last time you had full pricing stats before placing a BOM order?
2013-05-10T02:46:36 < inca> do you know what all the distributors pay?
2013-05-10T02:46:58 < inca> did you calculate the cost of becoming a distributor to get the margin for a better deal on the BOM?
2013-05-10T02:47:01 < rigid> i do it every 2nd order
2013-05-10T02:47:08 < inca> anyway, you get the point
2013-05-10T02:47:17 < inca> fully informed consumer is a myth
2013-05-10T02:47:21 < rigid> mostly because I don't have to do the work :) and I don't use distributors
2013-05-10T02:47:26 < rigid> well, almost not
2013-05-10T02:47:32 < inca> and a dumb one to assume and make national fiscal policy based on =)
2013-05-10T02:48:00 < rigid> inca: I wouldn't disagree on that... still I don't get the non-causal-market-system theory
2013-05-10T02:48:17 < rigid> with that argument, any innovation is useless since you need a "100% informed customer"
2013-05-10T02:48:17 < inca> rigid: think about NASDAQ or NYSE
2013-05-10T02:48:24 < inca> rigid: negative
2013-05-10T02:48:31 < rigid> nah, I'd rather think about _real_ economy ;)
2013-05-10T02:48:32 < inca> we are talking about "free market economies"
2013-05-10T02:48:36 < inca> we are
2013-05-10T02:48:52 < inca> first by understanding what, exactly, "free market" means
2013-05-10T02:49:01 < rigid> i'm not directly affected by stock markets... luckily
2013-05-10T02:49:23 < inca> Morgan Stanley has major switchgear located on site for NYSE
2013-05-10T02:49:52 < inca> because they get the information before everyone else, they can, in effect, "see the future"
2013-05-10T02:50:06 < inca> this allows them to trade a "spread"
2013-05-10T02:50:22 < inca> the ultimate man-in-the-middle approach
2013-05-10T02:50:41 < rigid> they're so much decoupled by the principal of free markets... you are basically talking about capitalism
2013-05-10T02:50:49 < inca> =)
2013-05-10T02:50:50 < rigid> don't confuse "free market" and "capitalism"
2013-05-10T02:50:53 < inca> I am not
2013-05-10T02:51:12 < inca> the stock exchange markets are considered the prototypical example of "free"
2013-05-10T02:51:27 < rigid> don't use outside capital, don't be affected by morgan stanley
2013-05-10T02:51:33 < karlp> inca: how long has that been going on? NYSE was stillr unning token ring to prevent exactly that last time I heard
2013-05-10T02:51:34 < inca> heh
2013-05-10T02:51:49 < karlp> only very specific gear is allowed to be plugged in.
2013-05-10T02:52:10 < karlp> because yeah, nonconforming network gear could be made to get in before people
2013-05-10T02:52:10 < inca> karlp: it doesn't stop them from having custom hardware in the gear to get the ns edge
2013-05-10T02:52:13 < rigid> no they're not... stock exchange is quite regulated and the concept of free markets is older than the capitalism concept (and stock market concept)
2013-05-10T02:52:22 < inca> I know people still working on that hardware
2013-05-10T02:52:26 < rigid> "quite regulated" *haha* i know...
2013-05-10T02:52:36 < rigid> but you know what I mean ;)
2013-05-10T02:53:05 < inca> rigid: the stock market example should be sufficient coupling to the dependence on time
2013-05-10T02:53:41 < inca> in order to be 100% informed as a consumer requires more communication than is possible, even with the internet and stock exchanges
2013-05-10T02:54:01 < inca> and that still doesn't prevent hacks
2013-05-10T02:54:05 < inca> or fraud
2013-05-10T02:54:20 < inca> so, I for one welcome our new bitcoin overlords
2013-05-10T02:54:42  * inca goes back to his cave to read more about sntp
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2013-05-10T03:38:12 < dongs> sup blog
2013-05-10T03:38:31 < dongs> Simon--: checking
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2013-05-10T03:39:31 < dongs> yep that does it
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2013-05-10T03:43:57 < gxti> noisy blogs
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2013-05-10T03:57:05 < dongs> hah
2013-05-10T03:57:09 < dongs> just saw #if (0) in sores
2013-05-10T03:59:30 < ds2> it could have been an #if !1
2013-05-10T03:59:39 < dongs> heh
2013-05-10T04:08:01 < R2COM> heh connector datasheet: (0.8mm/0.031") but 31mil is closer to 0.787mm not quite 0.8mm... and overal some other dimensions in mils dont agree because of that, but with 31.5mil its fine.. I hate when they do such shitty sketches in datasheets for connectors
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2013-05-10T04:36:50 < R2COM> ok
2013-05-10T04:36:57 < R2COM> I found a STEP model for connector!
2013-05-10T04:39:29 < gxti> that's why there's always a controlling unit and the other is for reference only
2013-05-10T04:41:04 < R2COM> pitch should be declared with precise dimensions. period.
2013-05-10T04:41:38 < gxti> so it should say 0.031496063?
2013-05-10T04:42:02 < R2COM> no it should say: 0.8mm 31.5mil
2013-05-10T04:42:17 < R2COM> ah
2013-05-10T04:43:06 < gxti> precision is a quantity not a boolean
2013-05-10T04:43:09 < johntrampie> can i get a usb-uart out of the f4 discovery board?
2013-05-10T04:43:33 < gxti> johntrampie: sure
2013-05-10T04:43:41 < talsit> R2COM: what connector is it?
2013-05-10T04:43:47 < R2COM> will show now
2013-05-10T04:43:55 < R2COM> I worked it out already anyhow
2013-05-10T04:44:22 < talsit> i'm just curious
2013-05-10T04:44:23 < johntrampie> gxti: any clues how?
2013-05-10T04:44:48 < gxti> johntrampie: you implement it yourself in firmware
2013-05-10T04:44:54 < gxti> but that's probably not the answer you wanted
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2013-05-10T04:46:45 < johntrampie> gxti: so i have to implement a usb driver?  there is nothing connected to any of the UARTs already?
2013-05-10T04:47:07 < gxti> johntrampie: no, nothing connected
2013-05-10T04:47:42 < johntrampie> ok,  i am just looking for an easy debugging tool. I think I will stick to LEDs and logic analyser then
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2013-05-10T04:48:19 < R2COM> http://i.imgur.com/HM4dsZZ.png
2013-05-10T04:48:27 < R2COM> see all comes out right now with a modified pitch.
2013-05-10T04:48:36 < R2COM> model sits right on its footprints
2013-05-10T04:52:44 < R2COM> its some highspeed connector
2013-05-10T04:53:02 < talsit> and it's not on traceparts?
2013-05-10T04:53:09 < R2COM> what?
2013-05-10T04:53:31 < talsit> you know the website, traceparts?
2013-05-10T04:53:36 < R2COM> no
2013-05-10T04:53:47 < talsit> then you answer makes sense
2013-05-10T04:53:55 < talsit> *your
2013-05-10T04:53:59 < R2COM> looking
2013-05-10T04:54:03 < R2COM> do they sell models?
2013-05-10T04:54:05 < talsit> it's got heaps of 3d models of parts
2013-05-10T04:54:10 < talsit> no, they're free
2013-05-10T04:54:18 < R2COM> hm
2013-05-10T04:55:19 < R2COM> all kinds of shit except Samtec!
2013-05-10T04:55:20 < R2COM> lol
2013-05-10T04:56:14 < dongs> theres also 3dcontentsomething
2013-05-10T04:56:18 < dongs> 3dcontentcentral.net
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2013-05-10T05:00:57 < R2COM> so users contribute to that?
2013-05-10T05:01:01 < dongs> ya
2013-05-10T05:01:06 < R2COM> theres a chance then that something is fucked up lol
2013-05-10T05:01:11 < dongs> exactly
2013-05-10T05:01:15 < dongs> which is why i make my own shit always
2013-05-10T05:01:31 < R2COM> or just get precise 3D from *Original* manufacturer
2013-05-10T05:01:35 < R2COM> of the part..
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2013-05-10T05:42:37 < ossifrage> any suggestions on how to get better then 10ppm on the STM32 RTC?
2013-05-10T05:43:36 < ossifrage> maxim has a TCXO with vbat and a switch, but it is in a monster package
2013-05-10T05:50:30 < dongs> also, maxim
2013-05-10T05:51:00 < ossifrage> http://www.maximintegrated.com/datasheet/index.mvp/id/4984
2013-05-10T05:51:22 < ossifrage> It is a monster package almost as big as the STM32F0 I'm using
2013-05-10T05:52:35 < ossifrage> err, that is the RTC version, this is just the tcxo http://www.maximintegrated.com/datasheet/index.mvp/id/2940
2013-05-10T05:54:59 < dongs> well, tcxo will be big
2013-05-10T05:55:07 < dongs> cuz yanno it has to heat up and shit
2013-05-10T05:55:31 < ossifrage> or it could be that it is just a really old part
2013-05-10T05:55:33 < dongs> get the DIP version
2013-05-10T05:55:48 < gxti> tcxo doesn't have a heater, that's ocxo
2013-05-10T05:55:49 < ossifrage> has to be smd, don't have space under the board
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2013-05-10T05:55:54 < gxti> but it might be big for thermal mass
2013-05-10T05:56:02 < dongs> thats what im saying
2013-05-10T05:57:02 < ossifrage> having a large thermal mass might be a good reason for the package size, but the thing is fscking huge
2013-05-10T05:58:15 < ossifrage> 10ppm is >5 minutes per year which is pretty sad
2013-05-10T05:58:45 < qyx_> too high operatinb gange for vbat
2013-05-10T05:58:46 < qyx_> range
2013-05-10T05:58:55 < ossifrage> I was hoping to get <1min/year
2013-05-10T05:59:07 < qyx_> 2.7V min is not well suited for lithium cell
2013-05-10T05:59:27 < ossifrage> yeah the DS32kHZ is a 5v device, so I can't use it
2013-05-10T06:01:32 < dongs> http://www.symmetricom.com/media/files/downloads/product-datasheets/DS_SA%2045s_CSAC.pdf just use one of these and shut up
2013-05-10T06:01:40 < gxti> ^
2013-05-10T06:01:52 < ossifrage> digikey claims this part is 5ppm but the datasheet didn't agree: http://www.digikey.com/product-detail/en/CM200C-32.768KHZF-UT/300-8742-1-ND/2108134
2013-05-10T06:02:02 < ossifrage> that would kill my bom quite nicely
2013-05-10T06:02:18 < gxti> i find your requirements questionable
2013-05-10T06:02:22 < gxti> :p
2013-05-10T06:02:31 < ossifrage> I love the listed applications for that part
2013-05-10T06:02:47 < ossifrage> anti-ied jamming systems
2013-05-10T06:03:15 < qyx_> backpack radios? with atomic clocks?
2013-05-10T06:03:36 < ossifrage> for doing spread spectrum
2013-05-10T06:04:50 < qyx_> SS backpack radios with atomic clocks?
2013-05-10T06:04:54 < qyx_> i hope we live in reality
2013-05-10T06:05:07 < ossifrage> everyone has the same timebase and random seed or somesuch
2013-05-10T06:05:18 < ossifrage> or maybe the marketing guy was high that day?
2013-05-10T06:05:24 < gxti> those things don't cost very much by military standards, like $1500
2013-05-10T06:05:59 < gxti> that said, a *backpack* radio can use a regular rubidium oscillator which would be more rugged
2013-05-10T06:06:07 < dongs> haha check out soldering info
2013-05-10T06:06:12 < dongs> and warmup time
2013-05-10T06:06:25 < dongs> cant solder with rohs
2013-05-10T06:06:26 < qyx_> also we live in a times where SS is not considered a security mechanism
2013-05-10T06:06:26 < gxti> gotta be gentle with it dongs, there's motherfucking physics inside
2013-05-10T06:06:56 < qyx_> except some military people which still lives some decades ago and dont know encryption
2013-05-10T06:07:12 < R2COM> military lives decades ahead.
2013-05-10T06:07:22 < qyx_> you are kidding
2013-05-10T06:07:26 < gxti> loooooooooool
2013-05-10T06:07:43 < qyx_> if they do they wont use des/3des anymore
2013-05-10T06:07:43 < ossifrage> not a security mechanism but it can make it much harder to detect the transmitter
2013-05-10T06:08:44 < qyx_> thats trie
2013-05-10T06:08:51 < ossifrage> but are those radios still using spread spectrum or have they moved to something like ultrawideband
2013-05-10T06:08:53 < qyx_> but for that purpose any other clock will do
2013-05-10T06:09:22 < ossifrage> (which I guess is a form of spread spectrum)
2013-05-10T06:09:35 < ossifrage> (ossifrage is very much not a RF guy)
2013-05-10T06:10:30 < gxti> yay finally got the new ntpns code working
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2013-05-10T06:11:06 < qyx_> i think they are something like industrial people who will use only 20-years-of-runtime-proven technology
2013-05-10T06:11:11 < qyx_> but i may be wrong of course
2013-05-10T06:14:30 < dongs> heh at least digikey didnt send displayport connectors in a loose bag this time
2013-05-10T06:14:48 < dongs> beefore they just threw the shit in a plastic bag, a bunch of connectors got the pins bent
2013-05-10T06:15:08 < dongs> now they're in a proper tray as I would expect them to be
2013-05-10T06:15:41 < dongs> ..
2013-05-10T06:15:43 < dongs> except they're wrong kind
2013-05-10T06:15:46 < dongs> UGH
2013-05-10T06:15:59 < gxti> sadface
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2013-05-10T06:18:21 < GargantuaSauce> >mfw ST's lm317 datasheet has the input and output mixed up in the app schematic
2013-05-10T06:18:44 < gxti> gtfo with your mfw
2013-05-10T06:19:03 < dongs> lolwut how can you fail LM317
2013-05-10T06:19:09 < dongs> isnt it in gnd out
2013-05-10T06:19:12 < gnomad> always get the latest datasheet direct from the mfgr.
2013-05-10T06:19:25 < GargantuaSauce> it's gnd out in
2013-05-10T06:19:29 < dongs> no way
2013-05-10T06:19:33 < dongs> not on any lm317 i seen
2013-05-10T06:19:43 < GargantuaSauce> the ST one in front of me is
2013-05-10T06:20:05 < dongs> hm i must be thinking something else
2013-05-10T06:20:05 < gxti> what package?
2013-05-10T06:20:08 < dongs> oh im thinking 7805
2013-05-10T06:20:21 < GargantuaSauce> to-220
2013-05-10T06:21:13 < GargantuaSauce> http://www.st.com/st-web-ui/static/active/en/resource/technical/document/datasheet/CD00000455.pdf
2013-05-10T06:21:14 < qyx_> adj, vout, vin
2013-05-10T06:21:15 < qyx_> true
2013-05-10T06:21:17 < GargantuaSauce> correct on page 3
2013-05-10T06:21:34 < GargantuaSauce> incorrect on page 8
2013-05-10T06:21:42 < qyx_> also the TI part i randomly picked up
2013-05-10T06:22:02 < GargantuaSauce> i wish they were all like 78xx
2013-05-10T06:22:43 < qyx_> why incorrect on page8?
2013-05-10T06:22:57 < GargantuaSauce> look at the pin numbers
2013-05-10T06:23:08 < qyx_> ah, swapped in and out
2013-05-10T06:23:25 < GargantuaSauce> so going by that, instead of a regulator you have a nice diode
2013-05-10T06:23:57 < qyx_> but it is correct for TO-3
2013-05-10T06:24:27 < GargantuaSauce> right
2013-05-10T06:24:51 < gxti> in fact that's the only package that has pin numbers on it
2013-05-10T06:25:30 < gxti> the court finds your complaint frivolous and boring
2013-05-10T06:25:53 < GargantuaSauce> that sounds about right
2013-05-10T06:26:07 < GargantuaSauce> most of mine are
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2013-05-10T06:26:16 < GargantuaSauce> that doesn't stop me from exposing you to them
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2013-05-10T06:36:52 < dongs> here i am breaking off flanges from DP connectors
2013-05-10T06:36:53 < dongs> lawl
2013-05-10T06:36:59 < dongs> super pro
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2013-05-10T07:07:27 < dongs> ordered myself a hakko888
2013-05-10T07:07:30 < dongs> time to see what all the hype is about
2013-05-10T07:07:40 < dongs> shit better be fucking amazing
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2013-05-10T07:44:23 < R2COM> why the fuck putting plastic blocker on top of connector model http://i.imgur.com/UU3jVh2.png xD
2013-05-10T07:44:36 < R2COM> other than that its pretty nicely detailed
2013-05-10T07:46:30 < dongs> thats for dicknplace pickup, no?
2013-05-10T07:46:33 < R2COM> I bet they exported this model right from a software in which they designed it
2013-05-10T07:46:46 < R2COM> no.
2013-05-10T07:47:15 < R2COM> its some plastic thing which comes when you open connector, then you rip it off and use it.
2013-05-10T07:47:27 < R2COM> hmmmm
2013-05-10T07:47:44 < R2COM> yes it might be for pick and place too actually
2013-05-10T07:52:00 < R2COM> http://i.imgur.com/k7uAQYN.png
2013-05-10T07:54:26 < dongs> it is
2013-05-10T07:54:36 < dongs> for pickup nozzle
2013-05-10T07:58:14 < R2COM> yeah
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2013-05-10T08:15:57 < jpa-> inca: well i wrote my own protobuf library to do that :P   but otherwise quite easy
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2013-05-10T10:40:16 < jpa-> i wish that the stlink silkscreen would have the pinout for the swd connector
2013-05-10T10:40:30 < jpa-> now i have to always look it up and there is very little space to mark it myself either
2013-05-10T10:43:46 < PaulFertser> I marked it with a black marker on mine but then had considerable difficulty distinguishing G from C :)
2013-05-10T10:44:08 < jpa-> i put it on the reverse side now
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2013-05-10T11:11:10 < jpa-> karlp: i think of you every time my st-util says "KARL - should read back as 0x03, not 60 02 00 00"
2013-05-10T11:11:32 < zyp> :)
2013-05-10T11:11:53 < zyp> I find it amusing that it's still not removed
2013-05-10T11:13:09 < jpa-> i wonder if openocd's stlinkv1 support is supposed to work
2013-05-10T11:14:15 < jpa-> http://paste.dy.fi/GrJ/plain   and is this some lockup state?
2013-05-10T11:16:35 < PaulFertser> Until i reflashed stupid stlinkv1 with BMP, it worked fine with OpenOCD.
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2013-05-10T11:17:08 < jpa-> maybe i should just give up and switch to bmp myself
2013-05-10T11:17:27 < zyp> jpa-, looks like rom bootloader to me
2013-05-10T11:17:45 < zyp> lockup is pc = 0xfffffffe
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2013-05-10T11:19:26 < jpa-> uh..
2013-05-10T11:19:36 < jpa-> yeah, looks like there is valid code there
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2013-05-10T11:20:19 < jpa-> but my boot0 is very much low
2013-05-10T11:22:18 < jpa-> (and i also have valid code on the device already)
2013-05-10T11:23:28 < jpa-> looks like the device disagrees with me http://paste.dy.fi/GU6/plain
2013-05-10T11:25:06 < zyp> :)
2013-05-10T11:27:31 < jpa-> hmm the pin is not soldered in
2013-05-10T11:27:45 < jpa-> even though it looked totally soldered even with microscope
2013-05-10T11:27:54 < jpa-> but when i poked it with probe, it moved :)
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2013-05-10T12:04:46 < R2COM> niice
2013-05-10T12:04:48 < R2COM> http://i.imgur.com/AhOJjj1.png
2013-05-10T12:06:43 < Laurenceb_> http://defcad.org/liberator/
2013-05-10T12:06:45 < Laurenceb_> no way
2013-05-10T12:07:36 < Laurenceb_> lol "breaches ITAR"
2013-05-10T12:08:22 < bairdy> Canberra is the crazy lesbian captial of Australia.. www.abc.net.au/news/2013-05-10/skywhale-could-cost-up-to-300k/ .. Yes, those are breasts on the side of the thing..
2013-05-10T12:08:33 < Laurenceb_> sky... whale?!
2013-05-10T12:08:35 < Laurenceb_> wtf
2013-05-10T12:08:50 < R2COM> lesbian breasts? I didnt find any on that link
2013-05-10T12:08:52 < R2COM> asshole
2013-05-10T12:08:53 < Laurenceb_> "Sorry, Page not Found"
2013-05-10T12:09:11 < jpa-> maybe the 404 is for the best
2013-05-10T12:09:43 < bairdy> http://www.abc.net.au/news/2013-05-10/skywhale-could-cost-up-to-300k/4681892  .. ah, lost the art# in the paste
2013-05-10T12:09:44 < Laurenceb_> heh
2013-05-10T12:10:03 < Laurenceb_> i want to know what a skywhale is
2013-05-10T12:10:14 < Laurenceb_> OMG
2013-05-10T12:10:15 < Laurenceb_> http://www.abc.net.au/news/image/4679678-3x2-700x467.jpg
2013-05-10T12:10:33 < bairdy> "Man the Harpoons"...
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2013-05-10T12:11:52 < R2COM> I knew before clicking it would be some shit but not breasts
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2013-05-10T12:13:48 < bairdy> Done by the same artist who commissions Chinese artists for 'her' sculptures.
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2013-05-10T15:12:40 < Laurenceb> http://3.bp.blogspot.com/--cq6PL1y25c/URAlUXdWvjI/AAAAAAAAAuI/a26JYClQ4Vs/s1600/skyfrog.jpg
2013-05-10T15:13:19 < zyp> high altitude frogging?
2013-05-10T15:16:10 < dongs> watch out for peta spies
2013-05-10T15:16:56 < Erlkoenig> they could at least have connected the "ropes" such that the frog wouldn't be torn apart
2013-05-10T15:16:56 < talsit> i just finished building a new spin of a board (with quite a lot of changes)
2013-05-10T15:17:06 < talsit> and it "doesn't work"
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2013-05-10T15:17:11 < dongs> cool
2013-05-10T15:17:14 < dongs> welcome to the club
2013-05-10T15:17:29 < talsit> should the SWD connect even if the oscillators are stuffed?
2013-05-10T15:17:33 < talsit> stm32f4, btw
2013-05-10T15:17:48 < dongs> if its that bad, youre fukd
2013-05-10T15:18:02 < dongs> did it work before?
2013-05-10T15:18:08 < dongs> and you didnt fuck shit up?
2013-05-10T15:18:23 < Laurenceb> http://www.youtube.com/watch?v=prmBf1uclI8
2013-05-10T15:18:29 < Laurenceb> made by dongs?  ^
2013-05-10T15:18:45 < talsit> i am now using a TCXO instead of just plan XO, so that part is totally new, and previously untested
2013-05-10T15:19:16 < zyp> so what did you do? hit oscin with 5V or something?
2013-05-10T15:19:40 < talsit> the oscillator is doing its thing, from what i can see
2013-05-10T15:20:01 < talsit> but it *may* be out of spec (0.8v->2.4v sinewave)
2013-05-10T15:20:03 < zyp> remember that stm32 always boots on internal oscillator
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2013-05-10T15:20:20 < talsit> yeah, so if SWD isn't connecting, it's not that, but something else, right?
2013-05-10T15:20:35 < zyp> if it doesn't connect even if you hold it in reset
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2013-05-10T15:21:43 < talsit> so, hold reset down and try to connect?
2013-05-10T15:22:00 < dongs> was pcb made by shitstudio
2013-05-10T15:22:18 < talsit> yep, as always
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2013-05-10T15:22:45 < dongs> probably full of shorts then
2013-05-10T15:23:24 < talsit> which it's not, all the voltages check out
2013-05-10T15:23:35 < talsit> as in, on the proper pins, i get the proper voltages
2013-05-10T15:23:37 < Laurenceb> look for a pen mark down the side
2013-05-10T15:23:44 < Laurenceb> if there is a pen mark, it was tested
2013-05-10T15:23:52 < dongs> lol, gtfo
2013-05-10T15:24:00 < dongs> i had shorts on "pen mark" boards.
2013-05-10T15:24:10 < Laurenceb> wtf
2013-05-10T15:24:14 < Laurenceb> they fail epically
2013-05-10T15:24:16 < dongs> yeah, shitstudio is garbage
2013-05-10T15:24:18 < dongs> fuckem
2013-05-10T15:24:35 < talsit> oh, by shitstudio do you mean seeeeeeedstudios?
2013-05-10T15:24:37 < talsit> then no
2013-05-10T15:24:44 < Laurenceb> hehe
2013-05-10T15:24:46 < dongs> where is it from thetn
2013-05-10T15:24:50 < zyp> hmm, my seeed boards is apparently «coming back from production workshop» now
2013-05-10T15:24:56 < talsit> hackvana
2013-05-10T15:25:04 < dongs> same garbage
2013-05-10T15:25:05 < Laurenceb> talsit: dongs is a troll
2013-05-10T15:25:10 < dongs> incorrect
2013-05-10T15:25:24 < zyp> Laurenceb, that doesn't necessarily make him wrong
2013-05-10T15:25:25 < talsit> Laurenceb: you don't say?!
2013-05-10T15:25:31 < Laurenceb> heh
2013-05-10T15:31:03 < talsit> could you fine people give me some recommendation of what i should be hunting?
2013-05-10T15:31:17 < talsit> ok, here are some interesting facts:
2013-05-10T15:31:31 < talsit> when i first powered it up, it would only draw 10mA
2013-05-10T15:31:46 < talsit> after the first time i tried to SWD it, it started drawing 70mA
2013-05-10T15:31:55 < talsit> but it's not drawing more than that
2013-05-10T15:33:34 < zyp> have you ever programmed the chip with anything with all, or is the flash empty?
2013-05-10T15:33:51 < talsit> brand new chip, direct from mouser
2013-05-10T15:34:04 < zyp> ok, then forget about oscillator, that's not the problem
2013-05-10T15:34:24 < talsit> i thought so, i just wanted to confirm that with someone that *knew*
2013-05-10T15:34:24 < zyp> since it's empty, you don't have any software on it switching to external oscillator
2013-05-10T15:34:32 < zyp> so it's not used
2013-05-10T15:34:57 < zyp> try measuring the voltage on the vcap pins
2013-05-10T15:35:43 < talsit> ok, my normal code was configured to use a 8MHz XO, but I switched to a 26MHz TCXO, but i didn't change the code
2013-05-10T15:36:02 < talsit> so, in theory, could it have programmed, and then massively overclocked?
2013-05-10T15:36:26 < zyp> maybe, if swd worked the first time you tried it
2013-05-10T15:36:34 < zyp> attaching with reset asserted didn't work?
2013-05-10T15:36:53 < dongs> ^ that worked for me when I loaded 8mhz binary into a board w/25mhz xtal
2013-05-10T15:37:03 < dongs> btw, isnt max external clock on F4 = 25mhz
2013-05-10T15:37:15 < talsit> no, it's 26
2013-05-10T15:37:41 < talsit> lemme try the reset thing again, but i don't think it's that
2013-05-10T15:38:02 < talsit> i accidentaly messed up the reset buttom footprint, and it was ALWAYS tied to gnd
2013-05-10T15:38:06 < talsit> until i cut the tracks
2013-05-10T15:41:06 -!- claude is now known as Claude
2013-05-10T15:42:42 < talsit> yeah, connect under reset DOES work
2013-05-10T15:42:53 < talsit> i can now load up my code and it breaks at main()
2013-05-10T15:43:08 < talsit> so that begs the question, what did i fuck up this time?
2013-05-10T15:46:24 < jon1012> someone knows where I can find a working design of a high spedd usb phy connected to a stm32f4 ?
2013-05-10T15:46:29 < jon1012> speed*
2013-05-10T15:49:04 < talsit> zyp: why would attach while reset work?
2013-05-10T15:49:31 < dongs> beause your setting up pll/etc wrong
2013-05-10T15:50:27 < talsit> but i thought that SWD will attach independant of the oscillator
2013-05-10T15:50:28 < talsit> as in, even before code gets hit
2013-05-10T15:54:38 < zyp> talsit, how would you prevent code from running in the duration it takes from powering on the chip to attaching over swd?
2013-05-10T15:56:12 < zyp> jon1012, waveshare has a devboard with an ulpi phy on a seperate extension board
2013-05-10T15:56:53 < jon1012> zyp, ok
2013-05-10T15:56:56 < jon1012> I'll check, thanks
2013-05-10T15:57:11 < jon1012> full speed usb is really too slow :(
2013-05-10T15:57:26 < zyp> depends on what you need to do
2013-05-10T15:57:39 < jon1012> what I really need is an arm mcu with 1Mb RAM and high speed usb :)
2013-05-10T15:57:56 < zyp> even high speed is too slow for some purposes, and full speed is way more than required for others
2013-05-10T15:58:04 < jon1012> yeah
2013-05-10T15:58:09 < jon1012> agreed
2013-05-10T16:02:06 < talsit> zyp: so you're saying that the first SWD connect, fucked it up, and then it went into overdrive
2013-05-10T16:02:18 < talsit> and i could no longer connect to it because it was stuffed
2013-05-10T16:02:24 < talsit> so connect-under-reset worked
2013-05-10T16:02:32 < talsit> and now it *should* be fine again?
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2013-05-10T16:30:34 < zyp> talsit, pretty much
2013-05-10T16:31:34 < zyp> because the debug interface is clocked by sysclock like the rest of the system, so if you somehow kill sysclock, you also kill the debug interface
2013-05-10T16:33:40 < Tectu> can anyone quick tell me what the ETH_PPS_OUT pin is for?
2013-05-10T16:36:39 < Tectu> page 906 in the F4 ref manual, without any explanation
2013-05-10T16:37:07 < Tectu> also it's on two pins on the F407ZGT, PG8 and PB5
2013-05-10T16:37:07 < jpa-> "ethernet pulse per second output"? :P
2013-05-10T16:37:22 < Tectu> I wonder how long you needed to come up with that
2013-05-10T16:37:30 -!- _BJFreeman is now known as BJfreeman
2013-05-10T16:37:38 < jpa-> it's just a guess based on the acronym
2013-05-10T16:37:43 < zyp> Tectu, page 944 (rev4)
2013-05-10T16:38:11 < zyp> and yes, it's a pulse per second output
2013-05-10T16:38:35 < zyp> it's for testing the PTP stuff
2013-05-10T16:39:09 < Tectu> aye, that page is helpful, thanks zyp
2013-05-10T16:40:08 < gxti> finally got ntpns working last night, performance is questionable considering the sheer quantity of double-float operations :|
2013-05-10T16:40:22 < gxti> will have to try to get my old PLL working in the new setup
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2013-05-10T16:52:32 < Laurenceb> http://hackaday.com/2013/05/10/microcontroller-enumerates-as-usb-printer-can-be-programmed-by-printing/
2013-05-10T16:52:35 < Laurenceb> i lolled
2013-05-10T16:52:57 < karlp> didn't we talk about this back when he actually wrote it?
2013-05-10T16:53:02 < karlp> not when h-a-d covered it?
2013-05-10T16:53:26  * Laurenceb doesnt read everything
2013-05-10T16:53:33 < karlp> you should
2013-05-10T16:54:14 < zyp> karlp, yeah, we did
2013-05-10T17:00:12 < talsit> zyp: hey, that works, thanks heaps!!!!
2013-05-10T17:00:31 < Erlkoenig> "thanks heaps"? :D
2013-05-10T17:00:39 < dongs> heaps? fagggotry.
2013-05-10T17:00:44 < karlp> good english. suck it up
2013-05-10T17:01:12 < karlp> almost as perfect and graceful as "thanks loads!" (ignore the haters talsit!)
2013-05-10T17:01:24 < talsit> ...
2013-05-10T17:01:28 < Laurenceb> haters gunna hate
2013-05-10T17:01:32 < bairdy> bewdy
2013-05-10T17:01:57 < karlp> yoo liddl rippah
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2013-05-10T17:12:37 < jpa-> BrainDamage: i have now assembled my eink pcb and have the necessary voltages - now i'm poking random signals trying to get something to happen :P
2013-05-10T17:12:56 < BrainDamage> I'm soldering wires to the ribbon connector
2013-05-10T17:13:04 < jpa-> eww
2013-05-10T17:13:10 < jpa-> atleast i have a proper connector :P
2013-05-10T17:13:25 < BrainDamage> I couldn't find a cheap source for the connector
2013-05-10T17:13:27 < jpa-> aren't there like 39 wires with 0.3mm pitch?
2013-05-10T17:13:37 < BrainDamage> yes, but most of them are supply
2013-05-10T17:13:50 < BrainDamage> only 16 are actual data lines
2013-05-10T17:13:59 < BrainDamage> and it's 0.6 mm pitch
2013-05-10T17:14:17 < jpa-> i know your display has different connector, but for mine i was able to find one on farnell even though it was from different manufacturer than the one indicated in the datasheet
2013-05-10T17:14:42 < BrainDamage> all connector sources either have me wait 1 month, or make me order 1k, or have me pay 30€ shipping
2013-05-10T17:15:18 < BrainDamage> it's a fpc connector, 34 pin
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2013-05-10T17:19:16 < jpa-> digikey has it (i guess that's the place with 30€ shipping, then :)
2013-05-10T17:21:56 < BrainDamage> yep, and mouse has 2k min order
2013-05-10T17:23:30 < zyp> the trick with digikey is just queueing up shit you need until you hit free shipping limit
2013-05-10T17:24:20 < dongs> ^
2013-05-10T17:24:32 < dongs> .. which reminds me,, i should order today.. but too sleepy...
2013-05-10T17:24:39 < dongs> lets seei f i can find the shit i need.
2013-05-10T17:27:45 -!- PT_Dreamer [~quassel@161.43.108.93.rev.vodafone.pt] has quit [Ping timeout: 268 seconds]
2013-05-10T17:27:49 < gxti> i don't think i've ever gotten free shipping from digikey, i must be doin it rong
2013-05-10T17:28:23 < dongs> hmm
2013-05-10T17:28:28 < dongs> something is slightly difeent with digkey site
2013-05-10T17:29:09 < jpa-> i get free shipping but have to pay customs
2013-05-10T17:29:10 < gxti> hmmmm
2013-05-10T17:29:32 < gxti> definitely different
2013-05-10T17:29:37 < gxti> might have to fix my scriptz again
2013-05-10T17:29:50 < jpa-> if they would just ship by postal service like all reputable chinese sellers, i would avoid taxes :)
2013-05-10T17:30:01 < gxti> yep scripts are all busted
2013-05-10T17:31:14 < dongs> what the fuck
2013-05-10T17:31:17 < gxti> what dickbean thought showing a bigger version of the inaccurate 3d render stock image when you mouseover would be helpful to anyone
2013-05-10T17:31:22 < UweBonnes> jpa: It may depend on the contry you live in and the web site you enter.
2013-05-10T17:31:43 < dongs> gxti: rofl
2013-05-10T17:31:43 < gxti> living in freedomland has its benefits
2013-05-10T17:31:45 < dongs> just noriced that
2013-05-10T17:32:13 < gxti> the reset button is ok i guess, although i just clicked a row then ctrl-clicked to deselect
2013-05-10T17:32:43 < dongs> Enter the quantity that you are interested in and press submit. The unit price for the quantity will display for all products in the table. Any products that cannot be purchased at the entered quantity due to minimum order quantities will be pushed to the bottom of the results.
2013-05-10T17:32:47 < dongs> hmm
2013-05-10T17:32:48 < gxti> it looks like they shuffled the columns around too
2013-05-10T17:32:49 < dongs> thtas kinda neat
2013-05-10T17:32:51 < dongs> yes
2013-05-10T17:32:57 < dongs> qty is now in the center..
2013-05-10T17:33:06 < gxti> the price sort is the same, they just made it less weird
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2013-05-10T17:33:46 < UweBonnes> jpa: if I ente digikey.com, prices are in $, there are more parts to choose from  but I have to pay custom myselft. If i order via digikey.de , prices are in Euro, some parts may not be ordered   and custom is handled by ...
2013-05-10T17:33:47 < UweBonnes> digikey. VAT applies in all cases.
2013-05-10T17:34:41 < dongs> uh
2013-05-10T17:34:48 < gxti> digikey even charges sales tax in US unlike any other online seller i've seen
2013-05-10T17:34:48 < dongs> UweBonnes: you can actually get u.s. digikey to ship to germany?
2013-05-10T17:35:17 < gxti> oh well i'll fix my scripts later, should get some actual work done
2013-05-10T17:35:44 < UweBonnes> It is always digikey US who ships to worldwide.
2013-05-10T17:36:12 < dongs> im aware
2013-05-10T17:36:24 < dongs> im talking about u.s. site taking a .de address to ship to
2013-05-10T17:36:33 < dongs> if I could do that.. i'd order stuff from there
2013-05-10T17:36:37 < dongs> that doesnt show up on jp digikey
2013-05-10T17:36:38 < dongs> heh
2013-05-10T17:36:46 < dongs> http://www.digikey.com/product-detail/en/KC3225A27.0000C30E00/478-4787-1-ND/1833840 hax0r osc
2013-05-10T17:37:23 < UweBonnes> I did it some times ago. But maybe things changed in between.
2013-05-10T17:37:25 < karlp> dongs: we only ever order from .com
2013-05-10T17:37:32 < karlp> but I guess that's ebcause they don't offer us a .is...
2013-05-10T17:37:39 < dongs> thats probly why
2013-05-10T17:37:45 < dongs> but do they still restrict shit to sent?
2013-05-10T17:37:51 < gxti> what's haxor about it? looks pretty boring and it costs too much
2013-05-10T17:37:53 < UweBonnes> What so special about the 27.MHz osc?
2013-05-10T17:38:18 < karlp> dongs: oh hellz yes they still restrict what they sell
2013-05-10T17:38:25 < Erlkoenig> dongs: could someone compile this code:   "int main () { int * volatile x = 0; }"    with armcc and give me the disassembly...?
2013-05-10T17:38:50 < dongs> heh
2013-05-10T17:39:08 < gxti> oic, i misunderstood the quantity filter thing. i thought they just brought the old price sort out as a regular form instead of the weird popup whatever.
2013-05-10T17:39:11 < jpa-> Erlkoenig: why would that generate any disassembly at all?
2013-05-10T17:39:14 < Erlkoenig> oohps stupid wording
2013-05-10T17:39:24 < Erlkoenig> jpa-: because of the volatile trick :P
2013-05-10T17:39:32 < Erlkoenig> i want to see how armcc treats 0-Pointers...
2013-05-10T17:39:38 < Erlkoenig> oh and it would have to be compiled with C++
2013-05-10T17:40:26 < Erlkoenig> alternatively    ((int*)0) = 42;  or something...
2013-05-10T17:40:45 < jpa-> what special do you expect it to do?
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2013-05-10T17:42:00 < Erlkoenig> well "0x0" is a valid address for STM32... so theoretically if a C++ compiler encounters a "int* x = 0;" it should not actually use address 0x0, but use an implementation-defined value, which would typically generate a hardware error when accesse
2013-05-10T17:42:01 < Erlkoenig> d
2013-05-10T17:42:12 < dongs> wuat
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2013-05-10T17:43:08 < Erlkoenig> 0 is converted to int*, and this conversion would have the compiler to not use 0 but some other special address
2013-05-10T17:43:30 < gxti> wat
2013-05-10T17:43:30 < dongs> compiler will do wahtever dumb trash you tell it to do
2013-05-10T17:44:08 < Erlkoenig> not the C++ compiler...
2013-05-10T17:44:26 < karlp> no, the c++ compiler farts unicorns and does what you want, not what you tell it.  right....
2013-05-10T17:44:27 < dongs> thiat is so ridiculous im not even gonna bother opening up keil
2013-05-10T17:44:47 < Erlkoenig> a pity
2013-05-10T17:44:52 < gxti> Erlkoenig: it would be nonsensical for a compiler to treat "= 0" as anything but "= 0"
2013-05-10T17:45:06 < Erlkoenig> it would be sensual on platrforms where 0x00 is a valid address, such as STM32
2013-05-10T17:45:17 < gxti> if it's a valid address then it should still store 0
2013-05-10T17:45:21 < gxti> why would it not store 0
2013-05-10T17:45:43 < gxti> why are you assuming that =0 always means  "blow up" and not "store 0"
2013-05-10T17:45:46 < Erlkoenig> and for the other way round - converting a null-pointer to a numeric value should yield 0, even if the null-pointer does not actually contain 0x00
2013-05-10T17:45:55 < dongs> where do you get the idea that zero is not a valid address on otherplatforms?
2013-05-10T17:46:02 < Erlkoenig> gxti: because that's required by the C++ Standard
2013-05-10T17:46:05 < dongs> .,...
2013-05-10T17:46:14 < dongs> what hte fuck do you think a nullpointer is
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2013-05-10T17:46:31 < dongs> if it did any special fuckery with them
2013-05-10T17:46:31 < Erlkoenig> a pointer to a special memory location that lets the application crash when accessed
2013-05-10T17:46:38 < dongs> you'd never be able to do shit like crap = malloc() if (!crap)
2013-05-10T17:46:39 < dongs> etc
2013-05-10T17:46:43 < dongs> no man
2013-05-10T17:46:44 < Erlkoenig> on x86 accessing 0x00 results in an application crash
2013-05-10T17:46:46 < dongs> you're so full of it
2013-05-10T17:46:55 < dongs> back2lunix4u
2013-05-10T17:46:56 < zyp> Erlkoenig, you are full of shit
2013-05-10T17:46:56 < Erlkoenig> (16:46:39) dongs: you'd never be able to do shit like crap = malloc() if (!crap) <-- surely you would
2013-05-10T17:47:08 < dongs> not if crap isnt fucking ZERO
2013-05-10T17:47:09 < Erlkoenig> the pointer would be converted to a numeric value
2013-05-10T17:47:14 < dongs> ...
2013-05-10T17:47:20 < dongs> yeah, or NULL IF MALLOC FAILED
2013-05-10T17:47:21 < Erlkoenig> this is the standard man
2013-05-10T17:47:31 < Erlkoenig> yes and NULL is not neccessarily 0x00
2013-05-10T17:47:37 < dongs> if it isnt then if() doesnt work
2013-05-10T17:47:38 < Erlkoenig> but ((int) NULL)  HAS to be 0
2013-05-10T17:47:47 < dongs> uhhh
2013-05-10T17:47:47 < Erlkoenig> but NULL doesn't have to be 0
2013-05-10T17:47:52 < Erlkoenig> only for C++ of course
2013-05-10T17:47:53 < dongs> zyp: you take over.
2013-05-10T17:48:00 < zyp> NULL has nothing to do for C++, it's a C-thing
2013-05-10T17:48:08 < Erlkoenig> well then take nullptr
2013-05-10T17:48:39 < Erlkoenig> PER C++ STANDARD:   int*x = 0;      now x contains something implementation defined.      int y = x;    Now y contains 0.
2013-05-10T17:48:49 < zyp> where in the standard does it say that?
2013-05-10T17:48:51 < Erlkoenig> and that's why that if() works
2013-05-10T17:49:15 < gxti> Erlkoenig: so are you really asking what does NULL equal on armcc, then?
2013-05-10T17:49:18 < Erlkoenig> zyp: 4.10 Pointer conversion
2013-05-10T17:49:24 < Erlkoenig> gxti: exactly.
2013-05-10T17:49:31 < Erlkoenig> "A constant expression with a value of 0 can be a null pointer constant. A null pointer constant can be converted to a null pointer value. A null pointer value has an implementation-defined bit pattern."
2013-05-10T17:51:07 < gxti> some quick googling suggests that it's still 0
2013-05-10T17:51:21 < gxti> i don't know of any implementations that actually use non-0 null because then it has to do that conversion crap
2013-05-10T17:51:38 < gxti> and code will be full of cases that fail to trigger the conversion and crash
2013-05-10T17:52:30 < Erlkoenig> then at least on STM32 the implementation is bad because it doesn't catch nullpointer accesses, i.e. *((int*) 0)  doesn't crash
2013-05-10T17:52:47 < gxti> is crashing required behavior?
2013-05-10T17:52:54 < Erlkoenig> no, but very convenient
2013-05-10T17:52:58 < gxti> then gtfo
2013-05-10T17:53:08 < Erlkoenig> and  conversions are not neccessary; instead of comparing to 0 you compare with whatever bitfield is used
2013-05-10T17:53:10 < gxti> see if MPU can help
2013-05-10T17:53:21 < gxti> yeah if you always write != NULL
2013-05-10T17:53:22 < zyp> if you want it to crash, just deny access to the lowest area of memory
2013-05-10T17:53:26 < gxti> i'm talking about corner cases
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2013-05-10T17:53:53 < gxti> point is, i don't know of *any* implementations of non-zero NULL
2013-05-10T17:53:54 < jpa-> ahha, putting the cable properly to the connector helps a bit
2013-05-10T17:54:08 < zyp> gxti, because there is none
2013-05-10T17:54:15 < zyp> there is no other obvious values to use
2013-05-10T17:54:25 < gxti> i wouldn't be so confident, some jackass architecture somewhere probably does it
2013-05-10T17:54:34 < jpa-> also it would break if(mypointer)
2013-05-10T17:54:40 < zyp> none as in no relevant ones
2013-05-10T17:54:49 < gxti> jpa-: no, the compiler has to handle that
2013-05-10T17:55:14 < gxti> which is part of why nobody does it
2013-05-10T17:55:25 < gxti> easier to user zero and then no special behavior is needed
2013-05-10T17:56:28 < dongs> whats a standard DIP led diameter that isnt 5mm
2013-05-10T17:56:33 < karlp> 3mm
2013-05-10T17:56:33 < dongs> smaller, is 2mm or whatever standard?
2013-05-10T17:56:35 < BrainDamage> 3mm
2013-05-10T17:56:41 < dongs> ok
2013-05-10T17:59:33 < dongs> http://www.digikey.com/product-detail/en/WP710A10ID/754-1606-ND/2769809
2013-05-10T17:59:35 < dongs> is that it?
2013-05-10T18:00:01 < dongs> seems like it, dunno what T1 top means
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2013-05-10T18:01:47 < dongs> http://www.digikey.com/product-detail/en/WP710A10SRC%2FE/754-1604-ND/2769818 rly, 900mcd?
2013-05-10T18:03:22 <+Steffanx> unifi is up and running, nice thingy zyp :)
2013-05-10T18:03:31 < zyp> :)
2013-05-10T18:05:21 < dongs> wtf is taht
2013-05-10T18:05:28 <+Steffanx> wifi accesspoint
2013-05-10T18:05:41 < dongs> zyp, LTL089CL02
2013-05-10T18:05:58 < zyp> what about it?
2013-05-10T18:06:06 < dongs> just noticed: mipi :(
2013-05-10T18:06:43 < zyp> ah, so no eDP
2013-05-10T18:06:45 < dongs> hmm, only 6bit color
2013-05-10T18:07:17 < jpa-> hmm funny, i can see the gate driver shift register state in the border of the display   http://koti.kapsi.fi/jpa/stuff/pix/eink_walking_dot.webm
2013-05-10T18:07:18 < dongs> http://www.newark.com/embest/embedded-pi/rpi-arduino-like-stm32-i-o-board/dp/67W2379?et_cid=22677023&et_rid=3834781&Linkid=the-Embedded-Pi&CMP=EMC-22677023
2013-05-10T18:07:21 < dongs> found zyp comment
2013-05-10T18:07:44 < zyp> hah, right
2013-05-10T18:09:36 < dongs> in 'customer reviews'
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2013-05-10T18:10:35 < dongs> ^ ragequit
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2013-05-10T18:11:15 < dongs> oh haha what, that shit is made by coocox?
2013-05-10T18:11:44 < dongs> http://www.coocox.org/epi.html
2013-05-10T18:11:45 < dongs> ya it is
2013-05-10T18:12:07 < zyp> so it must be awesome? :p
2013-05-10T18:12:11 < dongs> no
2013-05-10T18:12:17 < dongs> it combins 3 of the shittiest things
2013-05-10T18:12:25 < dongs> rapeberry pi, tarduino, and shields
2013-05-10T18:13:26 < gxti> it's not even rpi-related
2013-05-10T18:13:35 < dongs> it is actually
2013-05-10T18:13:39 < dongs> read the page.
2013-05-10T18:13:40 < zyp> it attaches to rpi
2013-05-10T18:13:42 < dongs> you plug shitberry pi into it
2013-05-10T18:13:43 < dongs> or something
2013-05-10T18:14:29 < gxti> i don't know who their target audience is then, people who use rpi for projects probably don't understand microcontrollers in the first place
2013-05-10T18:14:47 < dongs>  maybe they're thinking someone will run coide on crapberry
2013-05-10T18:14:50 < dongs> does eclipse run on lunix?
2013-05-10T18:14:57 < dongs> i guess it does?
2013-05-10T18:14:59 < gxti> does the pope shit in the woods?
2013-05-10T18:15:21 < bairdy> Originally written for it, I believe. But then all the Wintards wanted it./
2013-05-10T18:15:26 < zyp> it's java, so it should run horribly everywhere
2013-05-10T18:15:44 < dongs> i once loaded entire lunix kernel into eclipse
2013-05-10T18:15:46 < dongs> as a project
2013-05-10T18:15:52 < dongs> the indexer died hard.
2013-05-10T18:16:23 <+Steffanx> that was back in 1999?
2013-05-10T18:20:39 < dongs> would be cool if instead of fucking with search resutls digikey fixed order pages
2013-05-10T18:20:59 < dongs> checkout stuff is fucking aids
2013-05-10T18:21:09 <+Steffanx> poor you
2013-05-10T18:21:22 < dongs> wat
2013-05-10T18:21:25 < gxti> your pity is not helpful Steffanx
2013-05-10T18:21:49 <+Steffanx> His complaints here aren't very useful either, so... gxti
2013-05-10T18:22:11 < gxti> more helpful than "poor you" Steffanx
2013-05-10T18:22:22 < dongs> still dont see paypal in order list either
2013-05-10T18:22:32 <+Steffanx> digikey and paypal. lol
2013-05-10T18:22:35 < gxti> well that makes sense, paypal is megaaids
2013-05-10T18:22:37 < UweBonnes> dongs: Could it be that you are "analfixiert"? So much curses from yior side. Disgusting.
2013-05-10T18:22:55 < dongs> UweBonnes: /ignore dongs all, the opensores way
2013-05-10T18:24:17 < UweBonnes> dongs: The seach page for digikey is the best search page I know, years ahaed from others. Things amy always get improved, but I don't want to hear you curse on one of those other pages...
2013-05-10T18:25:10 < dongs> UweBonnes: oh,  i totally agree.
2013-05-10T18:25:31 < dongs> digikey search absolutely rapes everyone else in usability. i'm sure i'll get used to new shit.
2013-05-10T18:25:32 < zyp> UweBonnes, and that's why it doesn't have to be improved
2013-05-10T18:25:44 < gxti> UweBonnes: trying to shame dongs is like pissing in a septic tank
2013-05-10T18:25:52 < dongs> that too.
2013-05-10T18:26:20 < gxti> it just makes him happier
2013-05-10T18:26:39 <+Steffanx> Aren't we one happy family here?
2013-05-10T18:26:43 < dongs> k, order done now i can sleep and get it on monday
2013-05-10T18:27:47 < Laurenceb> wtf
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2013-05-10T18:27:54 < Laurenceb> mouser pwns digikey
2013-05-10T18:28:09 < gxti> that's just, like, your opinion, man
2013-05-10T18:28:12 < UweBonnes> If everything goes clear with customs. Before DK did customs themself,the transport company always sent a FAX asking for clearnace to to the custom.
2013-05-10T18:28:36 < BrainDamage> express couriers always rape me with customs taxes
2013-05-10T18:28:51 < BrainDamage> they run trough their own customs, and since they are there, they add 5-10
2013-05-10T18:28:52 < gxti> Laurenceb: why do you say that?
2013-05-10T18:28:57 < BrainDamage> € extra custom taxes
2013-05-10T18:29:08 < BrainDamage> just because they had to pass the package trough customs
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2013-05-10T18:29:26 < Laurenceb> gxti: gives you number of matching products as you select
2013-05-10T18:29:36 < dongs>  < Laurenceb> mouser pwns digikey
2013-05-10T18:29:38 < dongs> waat
2013-05-10T18:29:42 < dongs> thier search sucks dick
2013-05-10T18:29:43 < UweBonnes> And while doing so, either the DK transport papers where wrong or the tranport company declade wrong and so whe had to pay VAT on virtual transport cost, around 20 Euro.
2013-05-10T18:29:47 < Laurenceb> whatever
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2013-05-10T18:30:29 < zyp> I don't find there to be any difference between digikey and mouser when it comes to shipping and customs
2013-05-10T18:30:36 < zyp> both are using UPS
2013-05-10T18:30:45 < gxti> mouser might have competed back before dk had sort-by-price but now it's not even close
2013-05-10T18:30:51 < zyp> (at least when I order to norway)
2013-05-10T18:31:04 < dongs> zyp: mouser is fedex
2013-05-10T18:31:13 < dongs> during the week, mouser will be 1 day earlier
2013-05-10T18:31:18 < dongs> than dkey (for me)
2013-05-10T18:31:19 < UweBonnes> zyp: Bothe Digikey and Mouser now do customs themself, at least for Germany
2013-05-10T18:31:23 < dongs> over weekend, it'll be same
2013-05-10T18:31:24 < zyp> dongs, not to me
2013-05-10T18:31:27 < dongs> rly?
2013-05-10T18:31:32 < dongs> fedex to jp always from mouser.
2013-05-10T18:31:34 < gxti> dongs: lots of things vary by destination
2013-05-10T18:32:12 < zyp> it's a year since last time I ordered from mouser, but that one certainly came with UPS
2013-05-10T18:32:48 < gxti> i've only bought one thing from mouser and it shipped domestically by UPS, i don't recall if i had a choice of fedex but probably did
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2013-05-10T18:33:20 < zyp> hmm, I got a fedex package from mouser in 2009
2013-05-10T18:33:36 < zyp> but the UPS one is more recent :p
2013-05-10T18:33:43 < dongs> oh hm, yeah mouser lets you choose
2013-05-10T18:33:46 < dongs> now i remember.
2013-05-10T18:33:48 < zyp> doesn't matter too much
2013-05-10T18:34:18 < zyp> I think fedex was equally fast last time I got anything
2013-05-10T18:35:04 < zyp> UPS is always within two days
2013-05-10T18:35:52 < zyp> which is about as fast as normal domestic shipments
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2013-05-10T19:05:33 < karlp> did someone have the digikey part number for the cheapest 50mil cm3 debug connector (the 2x5 pins?)
2013-05-10T19:06:04 < inca> mictor connector?
2013-05-10T19:07:17 < karlp> no, just male headers
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2013-05-10T19:15:10 < pelrun> le sigh
2013-05-10T19:16:26 < pelrun> this F0 doesn't seem to want to execute any irq handlers of any sort :P
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2013-05-10T19:20:00 < emeb> karlp: you want shrouded or unshrouded?
2013-05-10T19:21:16 < emeb> unshrouded (cheapest) -> 609-3729-ND
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2013-05-10T19:27:13 < karlp> emeb: thanks, I was at least in the right place on digikey
2013-05-10T19:27:39 < emeb> shrouded is about $0.20 more IIRC
2013-05-10T19:30:26 < karlp> yeah, I wanted through hole and right angle, it's to connect to a board that has just the 2x5 holes on it,
2013-05-10T19:30:53 < karlp> too many cables and adaptors all over the place
2013-05-10T19:32:42 < karlp> and in 10s, these are actually cheaper: S9015E-05-ND
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2013-05-10T20:38:35 < Robint91> hi all
2013-05-10T20:41:25 -!- Claude is now known as claude
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2013-05-10T20:42:31 < R2COM> did digikey remove price column from search table or its only for me
2013-05-10T20:42:34 < R2COM> what the fuck
2013-05-10T20:42:52 < gxti> it moved.
2013-05-10T20:43:01 < R2COM> moved where
2013-05-10T20:43:06 < gxti> left.
2013-05-10T20:43:12 < R2COM> err
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2013-05-10T21:05:08 < R2COM> when they say recess diameter for screw its not actually diameter for screw itself?
2013-05-10T21:05:23 < R2COM> oh nm
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--- Day changed Sat May 11 2013
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2013-05-11T00:13:53 < TitanMKD> I hope some of you have registered for a free hackRF board
2013-05-11T00:14:24 < TitanMKD> as there is so much to do in RF world now we have the tool
2013-05-11T00:15:42 <+Steffanx> hackRF ..
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2013-05-11T00:17:05 <+Steffanx> Don't like to give my address + crap to random websites TitanMKD
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2013-05-11T00:19:31 <+dekar> my SDR crashed today when I tried to tune in on some FM radio… https://dl.dropboxusercontent.com/u/28467113/scopes/LeCroy_crash.png
2013-05-11T00:21:08 < TitanMKD> dekar haha you have found an overflow in Lecroy Scope ;)
2013-05-11T00:21:26 < TitanMKD> dekar maybe there is a possible exploit ;)
2013-05-11T00:21:51 <+dekar> TitanMKD, post exploit: https://dl.dropboxusercontent.com/u/28467113/scopes/IMG_20130510_185826.jpg
2013-05-11T00:21:54 <+Steffanx> They shouldn't let you play with expensive toys ..
2013-05-11T00:22:28 < TitanMKD> dekar I really hate Lecroy to use Windows for a so expensive stuff !!
2013-05-11T00:22:51 <+dekar> TitanMKD, they all do: https://dl.dropboxusercontent.com/u/28467113/scopes/IMG_20130419_160900.jpg
2013-05-11T00:23:23 < TitanMKD> dekar yes of course installing ubuntu on the scope ;)
2013-05-11T00:24:38 < TitanMKD> dekar and in addition Lecroy Digital Analyzer suxx so much compared to free Open Logic Sniffer software we have
2013-05-11T00:25:28 < TitanMKD> dekar of course i speak about the SW part with GUI not about the HW behind which is very good
2013-05-11T00:25:35 < BrainDamage> do you get the whole populated board, or just the pcb?
2013-05-11T00:27:22 <+dekar> TitanMKD, I don't think there is any free open logic sniffer software for PCI-E, SATA and so on
2013-05-11T00:28:19 < TitanMKD> dekar I was speaking about stuff like SPI, I2C ;)
2013-05-11T00:28:28 < TitanMKD> dekar or even USART
2013-05-11T00:29:39 < zyp> that's pretty useless if you are working with PCI-E, SATA or so on
2013-05-11T00:30:03 < TitanMKD> zyp yes but it is a shame when you want to check a SPI signal and data decode ;)
2013-05-11T00:30:28 < TitanMKD> zyp you just need to change tool to use a cheap Logic16 or OLS HW for that haha
2013-05-11T00:30:31 < zyp> what is a shame? that the LA runs windows? why do you even care?
2013-05-11T00:31:03 < BrainDamage> is the free hackrf board just the blank pcb or is it populated?
2013-05-11T00:31:44 < TitanMKD> zyp shame is to have a scope with high end HW running an "instable"/non professionnal windows XP or more with a SW very limited especially to decode signal as data like SPI, USART ...
2013-05-11T00:31:45 <+dekar> the LeCroy has a rs232 as well as a UART decoder. If you want to check the "invert signal" checkbox you have to select the UART one, it's disabled for rs232. :/
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2013-05-11T00:32:18 < TitanMKD> dekar I have tested that on Lecroy +20Keuros
2013-05-11T00:32:23 < TitanMKD> dekar and it is ch***t
2013-05-11T00:32:44 < TitanMKD> dekar export was bad, data display was bad ....
2013-05-11T00:33:26 < TitanMKD> dekar and GUI is of course so far from Saleae Logic !!!
2013-05-11T00:33:27 <+dekar> I have to admit I do prefer the Agilent one :)
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2013-05-11T00:34:28 < TitanMKD> dekar anyway scope if more for analog stuff and decoding digital data from analog stuff ;)
2013-05-11T00:35:09 < TitanMKD> anyway scope if more for analog stuff and not for decoding digital data from analog stuff ;)
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2013-05-11T00:35:59 < TitanMKD> it is just for the price of serial decoding modules which are optional we could expect something better ;)
2013-05-11T00:36:07 <+dekar> Well for testing I've hooked it up to some XAUI generated by my cyclone IV GX and it drew me a pretty eye diagram :)
2013-05-11T00:36:41 < TitanMKD> ha of course for that purpose it's a must ;)
2013-05-11T00:37:09 < TitanMKD> I will dream of such scope for my own stuff for that amazing eye diagram and validation for RF stuff
2013-05-11T00:37:31 < TitanMKD> i was just speaking about decoding SPI and low speed stuff ;)
2013-05-11T00:38:35 < TitanMKD> Even if now there is more people in place like Rigol (on lower end scope) which are very impressive especially the latest Rigol 4000
2013-05-11T00:38:36 <+dekar> Well at times it can be useful to actually see the analog SPI/I2C/UART signals instead of the digital representation a logic analyzer gets you.
2013-05-11T00:39:17 < TitanMKD> dekar of course analog part is a must !! and only digital is not enough in lot of case
2013-05-11T00:39:22 < BJfreeman> usually slow speed is done in I2c
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2013-05-11T01:05:34 <+dekar> makes me feel like sharing: https://dl.dropboxusercontent.com/u/28467113/confidential_google.png
2013-05-11T01:06:12 <+dekar> also blur filters are way too much fun :D
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2013-05-11T01:32:22 < Laurenceb_> what the fuck
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2013-05-11T02:15:15 < R0b0t1> http://www.mikroe.com/arm/development-boards/
2013-05-11T02:17:18 < R0b0t1> They have a "MINI-M4" board, and then a Stellaris one
2013-05-11T02:17:22 < R0b0t1> What is the difference?
2013-05-11T02:17:30 < R0b0t1> I mean stellaris is the TI core, but has anyone used it?
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2013-05-11T02:19:53 < R0b0t1> I am kind of anti-TI when it comes to things not on their MSP430 line because of how they seem to do some of their dev tools
2013-05-11T02:20:45 < ds2> thought stellaris was a stock cortex-M?
2013-05-11T02:22:14 < R0b0t1> Hmm
2013-05-11T02:22:29 < zyp> for the cpu, yes
2013-05-11T02:22:37 < ds2> isn't ite CC2000 that is odd?
2013-05-11T02:22:46 < ds2> or whatever they used to call piccolo
2013-05-11T02:23:27 < R0b0t1> Perhaps that is it
2013-05-11T02:23:45 < R0b0t1> I will try searching for people using stellaris chips instead of stm ones
2013-05-11T02:33:07 < Tectu> I'm currently searching for a cheap but reliable way to store electronic components. What do you guys use? some kind of assortement boxes?
2013-05-11T02:34:21 < zyp> I just leave them in the bags they arrive in
2013-05-11T02:35:03 < Tectu> and where does one go with all the bags?
2013-05-11T02:35:13 < Tectu> I've like 1'000 of them flying around
2013-05-11T02:35:46 < zyp> I put them in boxes, depending on which project they were ordered for
2013-05-11T02:36:28 < zyp> when I reuse components ordered for an earlier project I move the bag to the new box
2013-05-11T02:36:37 < zyp> or something like that
2013-05-11T02:37:08 < zyp> that way I just have to find the box for the project I last used a given component in
2013-05-11T02:37:46 < Tectu> so then you're doing small projects or not many
2013-05-11T02:38:03 < Tectu> and you're definitely not prototyping a lot
2013-05-11T02:38:06 < zyp> well, I'm kinda combining
2013-05-11T02:38:15 < Tectu> I have like 400 different coils and Caps and oscillators for HF stuff here
2013-05-11T02:38:24 < Tectu> and not in 0805 ;)
2013-05-11T02:38:55 < zyp> parts for f3 breakout, bmp2 and lpc board were all ordered together, so they live in the same box
2013-05-11T02:39:20 < Tectu> I hope you're better organized with your women than your components
2013-05-11T02:39:21 < zyp> I also got some reels for the most common components
2013-05-11T02:39:34 < zyp> no 0805 here either
2013-05-11T02:39:34 < Tectu> couldn't affort reels so far
2013-05-11T02:40:55 < zyp> afford? it was like $6 for a reel of 5k resistors
2013-05-11T02:41:03 < zyp> $7 maybe
2013-05-11T02:41:42 < Tectu> wtf? where did you get those from?
2013-05-11T02:42:13 < zyp> $15 for 4k 100nF caps, they are the most common component on the boards I do
2013-05-11T02:42:15 < zyp> digikey.
2013-05-11T02:42:41 < Tectu> o.O
2013-05-11T02:42:51 < Tectu> I thought 5k are like 200$ ?
2013-05-11T02:42:54 < ds2> what voltage/size?
2013-05-11T02:43:00 < zyp> 0603
2013-05-11T02:43:13 < ds2> 6.3V?
2013-05-11T02:44:17 < Tectu> give me that link...
2013-05-11T02:45:02 < zyp> ds2, 16V apparently
2013-05-11T02:45:12 < ds2> whoa nice
2013-05-11T02:45:33 < ds2> I got some 6.3V's cheap but keep having to buy higher voltage ones to bypass regulators
2013-05-11T02:45:45 < zyp> http://www.digikey.com/product-detail/en/0603YC104KAT2A/478-1239-2-ND/563349
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2013-05-11T03:11:21 < Jenev> hey
2013-05-11T03:11:38 < Jenev> is there a way to transfer data through the st-link?
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2013-05-11T03:12:45 < Jenev> I have a program that will have a relatively large amount of data comming in (6MB/s) so I'm thinking of either using USB OTG or the st-link...if it's possible
2013-05-11T03:12:57 < zyp> the st-link is way too slow
2013-05-11T03:13:30 < Jenev> zyp, even the USB one?
2013-05-11T03:13:32 < zyp> 6MB/s as in 48 Mb/s?
2013-05-11T03:14:17 < zyp> HS USB would manage that, but not FS USB
2013-05-11T03:14:49 < zyp> (it's about five times the max capacity of FS USB under ideal conditions)
2013-05-11T03:17:16 < zyp> can you tell me more about your application?
2013-05-11T03:17:32 < Jenev> yeah i've already read about a bit about the USB specifications (not much though)
2013-05-11T03:18:07 < Jenev> so is the st-linkv2 fast high speed
2013-05-11T03:18:17 < zyp> no.
2013-05-11T03:18:35 < Jenev> sigh
2013-05-11T03:18:38 < zyp> I already said it's way too slow.
2013-05-11T03:19:12 < zyp> if you want to use USB your only option is F4 with an external HS PHY
2013-05-11T03:19:40 < zyp> (or F2)
2013-05-11T03:19:46 < dongs> what data is it that is 6mb/s
2013-05-11T03:20:14 < zyp> or use something completely different, like fx2 or something
2013-05-11T03:20:54 < Jenev> dongs, I'm sampling interrupts at 50MHz
2013-05-11T03:21:02 < dongs> interrupts?
2013-05-11T03:21:22 < dongs> sounds like you need a cpld/fpga and a fx2
2013-05-11T03:21:24 < dongs> not a micro
2013-05-11T03:21:26 < zyp> are you trying to make a logic analyzer?
2013-05-11T03:21:35 < Jenev> zyp, yes
2013-05-11T03:21:41 < dongs> lolgic analyzer more like
2013-05-11T03:21:53 < dongs> Jenev: protip, when you wanna sample stuff fast, use DMA on gpio port.
2013-05-11T03:21:58 < dongs> trigger off timer.
2013-05-11T03:22:01 < dongs> then: no interrupts.
2013-05-11T03:22:05 < zyp> why not just get some of the already existing fx2 trash then?
2013-05-11T03:22:15 < dongs> he likes it hardr
2013-05-11T03:22:36 < Jenev> not really I figure i'd just try with my existing stuff first
2013-05-11T03:22:37 < zyp> most of the cheap stuff is based on fx2, because that's the easiest/cheapest option
2013-05-11T03:22:46 < dongs> what is "existing stuff"
2013-05-11T03:22:46 < Jenev> i guess it's more work than it's worth :)
2013-05-11T03:23:02 < zyp> Jenev, I bet you don't have any HS-capable stuff, so you don't have anything that's usable anyway
2013-05-11T03:23:03 < Jenev> dongs, the board I already have
2013-05-11T03:23:27 < dongs> http://www.wayengineer.com/index.php?main_page=product_info&products_id=822
2013-05-11T03:23:28 < dongs> here you go
2013-05-11T03:23:31 < dongs> if you cant afford $13
2013-05-11T03:23:34 < dongs> get a new hobby
2013-05-11T03:24:13 < Jenev> ahh perfect
2013-05-11T03:24:25 < dongs> there's clones of that shit for < $20 all over
2013-05-11T03:24:30 < dongs> not saying you have to get from that place.
2013-05-11T03:24:31 < Laurenceb_> heh crammers
2013-05-11T03:24:38 < Laurenceb_> *scammers
2013-05-11T03:24:40 < Jenev> and if I can't afford $13 then i'd need a job not a hobby heh
2013-05-11T03:24:46 < dongs> that too
2013-05-11T03:24:56 < Laurenceb_> they stole sealeeeee thing
2013-05-11T03:25:31 < dongs> pfft
2013-05-11T03:25:37 < Laurenceb_> lol at label
2013-05-11T03:25:40 < GargantuaSauce> and if you want one that isn't terrible, go with the Open Logic Sniffer
2013-05-11T03:26:09 < dongs> ols is fucking terrible
2013-05-11T03:26:13 < dongs> no sram for capture = epic fail
2013-05-11T03:26:26 < dongs> trhere's liek waht, 10k of bram on that fpga?
2013-05-11T03:26:28 < dongs> f a i l
2013-05-11T03:26:40 < Laurenceb_>  /b/ram
2013-05-11T03:26:45 < dongs> haha
2013-05-11T03:27:58 < GargantuaSauce> i am pretty sure that is more of a buffer than the salae clones hav
2013-05-11T03:29:10 < dongs> they have none
2013-05-11T03:29:13 < Jenev> zyp, but is it even possible to transmit data through the USB st-linkv2?
2013-05-11T03:29:14 < gxti> has anyone attempted to make a *not* shitty LA/
2013-05-11T03:29:15 < dongs> its just direct fifo pipe to usb
2013-05-11T03:29:24 < dongs> Jenev: no , just g ive up
2013-05-11T03:29:27 < Jenev> If so then I could stop using an external com port for my other projects
2013-05-11T03:29:45 < gxti> Jenev: well, there's semi-hosting
2013-05-11T03:29:50 < dongs> Jenev: you might want to look into 'bmp'
2013-05-11T03:29:53 < gxti> which at least lets you print stuff
2013-05-11T03:29:54 < dongs> or semihosting yeah
2013-05-11T03:30:03 < gxti> i don't think BMP's is bidirectional yet
2013-05-11T03:30:05 < dongs> if you have a fucking debugger why arent you using it?!@
2013-05-11T03:30:14 < dongs> gxti: but doesnt it have an extra com port you can print shit to
2013-05-11T03:30:19 < dongs> or was that for something else
2013-05-11T03:30:25 < zyp> it does
2013-05-11T03:30:37 < gxti> it does, but it's just a typical usb uart, separate from the debugger
2013-05-11T03:30:47 < gxti> so it saves you a usb cable but not much else
2013-05-11T03:31:59 < Jenev> gxti, great thank you
2013-05-11T03:32:14 < Jenev> that's why I wanted to know :)
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2013-05-11T03:35:39 < Jenev> gxti, I don't see an extra com port showing up when I plug in the board o.0
2013-05-11T03:35:58 < gxti> that's a blackmagicprobe feature, not stlink
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2013-05-11T03:58:57 < gxti> qyx_: hmm, i forgot i had all the chibios internal debug checks enabled. maybe that was the reason i was getting shitty latency with lwip without NO_SYS.
2013-05-11T03:59:08 < dongs> chibidongs
2013-05-11T04:00:58 < GargantuaSauce> what do the gpio OSPEEDR registers actually do? f4 if that's relevant
2013-05-11T04:01:04 < gxti> 88142 packets transmitted, 88141 received, 0% packet loss, time 14999ms
2013-05-11T04:01:04 < gxti> rtt min/avg/max/mdev = 0.125/0.133/0.354/0.015 ms, ipg/ewma 0.170/0.139 ms
2013-05-11T04:01:14 < gxti> ^ with NO_SYS and all debug flags off
2013-05-11T04:01:32 < GargantuaSauce> is there some clock divider that's not on the diagram or does it select a different driving impedance or what
2013-05-11T04:01:45 < gxti> about as good as 100mbit is going to get
2013-05-11T04:01:56 < dongs> GargantuaSauce: are you talking about 5/10/50/mhz whatever stuff?
2013-05-11T04:01:59 < dongs> for gpio "speed"?
2013-05-11T04:02:00 < GargantuaSauce> ya
2013-05-11T04:02:03 < dongs> it increases drive current
2013-05-11T04:02:06 < GargantuaSauce> k
2013-05-11T04:02:09 < dongs> so it rises fater
2013-05-11T04:02:10 < dongs> faster
2013-05-11T04:02:15 < dongs> (and g et more ringing as result)
2013-05-11T04:02:22 < gxti> you can set a port to 1mhz and drive at 70mhz and you get mush
2013-05-11T04:02:26 < gxti> it won't stop you
2013-05-11T04:03:22 < GargantuaSauce> i'll put it in the category of "stuff to fuck with if it breaks"
2013-05-11T04:03:23 < dongs> was chibidongs + lwip hard to setup
2013-05-11T04:03:40 < dongs> im guesing its gcc onyl?
2013-05-11T04:04:02 < gxti> not sure, chibios has lots of ports but lwip might be the limiting factor
2013-05-11T04:04:12 < gxti> chibios comes with sample bindings for lwip so it was super easy
2013-05-11T04:04:50 < gxti> had to fix a bug where it would power down the PHY then try to reset the MAC while no clocks were coming from PHY, super smart
2013-05-11T04:05:21 < gxti> i thought i saw a fix for that in git but then a later snapshot was still bugged so whatever, if you see it get stuck in reset that's why
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2013-05-11T04:39:11 < gxti> aww yiss, now i'm getting 25uS stdev on latency and 5uS std dev on NTP
2013-05-11T04:40:17 < gxti> with both the new and old code. still haven't made up my mind whether this pile of BSD-grade double-float PLL math is worth keeping
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2013-05-11T04:52:31 < zippe1> gxti: heh, you're playing with pkh's toys?
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2013-05-11T05:05:05 < gxti> internet
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2013-05-11T06:13:12 < dongs> hmm whta the crap
2013-05-11T06:13:17 < dongs> st usb example just crashes
2013-05-11T06:13:20 < dongs> i had this working before hmm
2013-05-11T06:13:40 < R2COM1> maybe it got pooped in
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2013-05-11T06:36:15 < dongs> http://imgur.com/gallery/7QJDEU6
2013-05-11T06:40:49 < R2COM> wtf is that
2013-05-11T06:42:03 < R2COM> My grandpa fried SS with Zis-2
2013-05-11T06:57:41 < dongs> hmpf
2013-05-11T06:58:05 < R2COM>  :]
2013-05-11T06:58:06 < dongs> i must be forgetting something
2013-05-11T06:58:11 < dongs> usb is just not working
2013-05-11T06:58:14 < dongs> even if i only do usb
2013-05-11T06:58:18 < dongs> must be gpio init or something somewehre
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2013-05-11T07:01:11 < R2COM> must be st lib maybe
2013-05-11T07:01:12 < R2COM> huh
2013-05-11T07:01:22 < dongs> no, another project using St lib works fine :)
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2013-05-11T07:18:31 < dongs> hmm
2013-05-11T07:18:34 < dongs> wtfak
2013-05-11T07:18:44 < dongs> same proj one is hid one is DFU
2013-05-11T07:18:45 < dongs> DFU works
2013-05-11T07:18:47 < dongs> HID fales
2013-05-11T07:18:50 < dongs> same hardware
2013-05-11T07:18:52 < dongs> ???
2013-05-11T07:18:59 < R2COM> #$%^@$%^
2013-05-11T07:22:24 < GargantuaSauce> i gutted my makefile and now i cant get shit to work :(
2013-05-11T07:22:31 < GargantuaSauce> not sure the startup.s is being incorporated correctly
2013-05-11T07:24:31 < GargantuaSauce> http://pastie.org/7829578
2013-05-11T07:24:55 < dongs> dam im glad i just use keil
2013-05-11T07:25:11 < GargantuaSauce> http://xn--d-bga.su/nps.jpg
2013-05-11T07:26:42 < dongs> haha
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2013-05-11T07:32:02 < R2COM> here is some fact.... if someone wants free programming environment to do stm32 coding, he can shit around with sources. free tools, eclipse etc.. it would be pain in the ass.,...but guess what? *he* *can* get shit working... but if someone wants to get High speed RF simulation working, he must get all Maxwell equations working! (its not super hard, but its a little tedious *for me* , but not hard....) I mean, I could do that... but no
2013-05-11T07:32:46 < GargantuaSauce> i want some of whatever you're high on right now
2013-05-11T07:32:46 < R2COM> I do Use from some funding the expencive Emag simulation tools, but I dont give shit to stm32 prof. development tools because I can still get it working with 0$ xD
2013-05-11T07:33:08 < R2COM> I am always high
2013-05-11T07:34:02 < GargantuaSauce> also i would rather kill myself than use eclipse for this
2013-05-11T07:34:03 < R2COM> what I wanted to highlight is,... why to pay for something what You can get working for within few days :)
2013-05-11T07:34:33 < dongs> hes definitely high
2013-05-11T07:34:43 < dongs> https://youtube.com/watch?v=oMJzt_3Hg48#t=34s
2013-05-11T07:34:44 < dongs> like this guy
2013-05-11T07:35:03 < R2COM> nah
2013-05-11T07:35:43 < R2COM> I can ask for Keil it would not be big deal at all honestly, after expencive PCB package
2013-05-11T07:36:16 < ds2> ewwwwwwwwwwwwwwwwwwww Keil
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2013-05-11T07:36:24 < R2COM> I mean I can use main peripherals I want from STM32 right now by manually toggling registers... so wtf?
2013-05-11T07:36:34 < R2COM> hehe
2013-05-11T07:37:48 < R2COM> But I support those who make Keil decisions anyway, its fine, they need it professionally and they opt for it. its fine
2013-05-11T07:39:03 < Jenev_> I use CoIDE
2013-05-11T07:39:10  * Jenev_ feels like the only one
2013-05-11T07:39:12 < dongs> coide is just eclipse + aids
2013-05-11T07:39:31 < Jenev_> haha
2013-05-11T07:39:44 < dongs> if i wanted to use eclipse.. i'd just use it
2013-05-11T07:39:48 < dongs> minus the aids :)
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2013-05-11T07:40:05 < ds2> just use gcc
2013-05-11T07:40:12 < dongs> thats the "aids" part
2013-05-11T07:40:34 < Jenev> but it's not all that bad
2013-05-11T07:40:47 < ds2> toss eclipse
2013-05-11T07:41:05 < Jenev> CoIDE is just the "free" setup, just mean they did all the tedious stuff for you
2013-05-11T07:41:07 < Jenev> :)
2013-05-11T07:41:51 < dongs> ya
2013-05-11T07:42:08 < Jenev> I've also used Code::Block with the discovery board as well :p
2013-05-11T07:42:25 < GargantuaSauce> ugh
2013-05-11T07:42:57 < R2COM> whatever
2013-05-11T07:43:16 < ds2> GUIs are a waste of time anyways
2013-05-11T07:43:19 < R2COM> I feel ok, I used to do asm for PIC32 mips
2013-05-11T07:43:22 < R2COM> bullshit
2013-05-11T07:43:39 < R2COM> ds2: then use terminal to connect and browse http ok?
2013-05-11T07:44:04 < ds2> R2COM: I do... w3m is great
2013-05-11T07:44:11 < R2COM> you lie
2013-05-11T07:44:26 < dongs> hardcore lunix dweebs puzzle me
2013-05-11T07:44:36 < dongs> its like "i like smashing my dick with a hammer" kinda mentality
2013-05-11T07:44:36 < Jenev> ds2, I like to use the terminal but saying GUI is a waste of time is a bit extreme heh
2013-05-11T07:44:58 < dongs> like in all seriousness
2013-05-11T07:45:02 < ds2> I like w3m
2013-05-11T07:45:06 < dongs> youve got a directory of say 50 pics
2013-05-11T07:45:09 < R2COM> yes. and those faggots who say gui sucks should *always* use terminal and stfu
2013-05-11T07:45:11 < dongs> you wanna choose 4 and move them to another dir
2013-05-11T07:45:12 < ds2> and I complain about poor web pages that don't work in w3m
2013-05-11T07:45:27 < dongs> i mean, good luck doing that shit on c onsole
2013-05-11T07:45:32 < R2COM> haha
2013-05-11T07:45:34 < R2COM> right
2013-05-11T07:45:35 < dongs> zgv <gaypic.jpg> * 50
2013-05-11T07:45:42 < R2COM> haha
2013-05-11T07:45:58 < GargantuaSauce> i am a lunix dweeb with a dick-smashing mentality but I use a DE
2013-05-11T07:45:58 < R2COM> do PCB layout in command too
2013-05-11T07:46:00 < ds2> ASCII art is fine :P
2013-05-11T07:46:02 < R2COM> with coordinate systems?
2013-05-11T07:46:03 < ds2> libaa
2013-05-11T07:46:05 < R2COM> hows that?
2013-05-11T07:46:06 < R2COM> huh?
2013-05-11T07:46:08 < R2COM> can YOU?
2013-05-11T07:46:11 < R2COM> if no then STFU
2013-05-11T07:46:21 < dongs> R2COM: if you use opensores PCB cad
2013-05-11T07:46:28 < dongs> you're spending most of the time hand-editing shit in txt files anyway
2013-05-11T07:46:35 < ds2> pcb layout? sure
2013-05-11T07:46:48 < dongs> <ds2> lemme fire up emacs and fix up this gEDA layout text file
2013-05-11T07:46:50 < R2COM> dongs:  nah... for PCB I use some bigass package now
2013-05-11T07:46:57 < GargantuaSauce> i installed kike-cad just for you dongs
2013-05-11T07:47:01 < R2COM> dongs:  haha right
2013-05-11T07:47:05 < ds2> dongs: that is vi!
2013-05-11T07:47:09 < dongs> same shit
2013-05-11T07:47:11 < ds2> and I'd do it in postscript
2013-05-11T07:47:14 < R2COM> I did use VI!
2013-05-11T07:47:18 < R2COM> I know how to use it!
2013-05-11T07:49:20 < R2COM> ds2: I even did more.... How about entering drawing dimension of some 3D part by hand on *paper* ? ever did that? * I did*
2013-05-11T07:49:37 < R2COM> and *I* say that modern fast tools and GUI rules...
2013-05-11T07:49:39 < R2COM> so stfu
2013-05-11T07:49:57 < ds2> I have done paper drafting
2013-05-11T07:50:03 < ds2> I even have a T square and triangles around here
2013-05-11T07:50:05 < R2COM> I did it * a lot*
2013-05-11T07:50:10 < R2COM> it was part of my speciality
2013-05-11T07:50:21 < R2COM> and I did it very nicely
2013-05-11T07:50:29 < ds2> can't argue about that... I am not a mechE
2013-05-11T07:51:02 < R2COM> then go ahead do everything by hand, why even pc...
2013-05-11T07:51:10 < ds2> actually, I prefer paper drafting
2013-05-11T07:51:16 < R2COM> what fucking ever.
2013-05-11T07:51:20 < ds2> that's why I still keep the T square and stuff around
2013-05-11T07:51:28 < ds2> some things are so much quicker then cad
2013-05-11T07:51:47 < R2COM> I keep my rulers and pencil too. but I cant put down power of modern eda, and tools
2013-05-11T07:52:56 < ds2> the so called 'modern' tools have wasted so much of my time. that's the reason I am irked at gui's
2013-05-11T07:53:03 < R2COM> nope.
2013-05-11T07:53:04 < R2COM> bullshit
2013-05-11T07:53:27 < R2COM> if you payed 5$k or had a position in which you had *power* to ask someone to pay for it, I promise you it would be quick
2013-05-11T07:53:28 < ds2> maybe you are better at it... it is always a battle
2013-05-11T07:53:38 < ds2> IAR has the the absolute worse so far
2013-05-11T07:54:20 < R2COM> I remember good old days when I even used to draft by pencil states of FSM by hand!
2013-05-11T07:54:22 < R2COM> and code it!
2013-05-11T07:54:44 < R2COM> and hell it was OK! but modern tools are cool, and I would approve it.
2013-05-11T07:55:30 < ds2> you seem to be lumping command line stuff with doing things on paper...
2013-05-11T07:55:38 < ds2> anyways got better things to do on a Friday :P
2013-05-11T07:56:23 < R2COM> I did drafting with Basic-like commands on command line
2013-05-11T07:57:16 < R2COM> I was 15 or 16 at that time or actually less
2013-05-11T07:57:54 < ds2> R2COM: seen OpenSCAD?
2013-05-11T07:57:59 < R2COM> no
2013-05-11T07:58:02 < R2COM> not sure
2013-05-11T07:58:08 < R2COM> probably no
2013-05-11T07:58:51 < ds2> programmable cad
2013-05-11T07:58:56 < ds2> no gui
2013-05-11T07:59:20 < R2COM> I just did stuff on custom made programs, programs for cad mech. drawing.
2013-05-11T07:59:52 < R2COM> it received commands for different shapes, planes, vertices, and saved in text like file./
2013-05-11T08:00:10 < ds2> sounds like the precursor to the STEP stuff?
2013-05-11T08:00:31 < R2COM> maybe
2013-05-11T08:01:09 < R2COM> not sure about how step is designed.
2013-05-11T08:02:13 < ds2> it was some kind of MIL spec thing, IIRC and it describes entities like what you said
2013-05-11T08:02:23 < R2COM> yesa
2013-05-11T08:02:24 < R2COM> yes
2013-05-11T08:03:14 < R2COM> I even had exam on entering that stuff quickly
2013-05-11T08:04:10 < ds2> are you a PE?
2013-05-11T08:04:14 < R2COM> what is pe?
2013-05-11T08:04:48 < ds2> Professional Engineer... it is a state licensed title
2013-05-11T08:04:56 < ds2> CivE's, etc are require to have that
2013-05-11T08:05:11 < R2COM> I dont have any special license
2013-05-11T08:05:18 < R2COM> pe like or so
2013-05-11T08:05:32 < R2COM> but I had my bsee long time ago
2013-05-11T08:05:34 < ds2> ah
2013-05-11T08:05:45 < R2COM> it was not quite like bsee but something like that
2013-05-11T08:05:51 < ds2> the exam is a academic exam, not a licensing exam?
2013-05-11T08:06:00 < R2COM> not sure what are you talking about?
2013-05-11T08:06:04 < R2COM> sure everything is academic
2013-05-11T08:06:06 < R2COM> how else..
2013-05-11T08:06:20 < R2COM> official
2013-05-11T08:06:56 < ds2> in other areas, say surveyors, there are licensing exams
2013-05-11T08:07:08 < ds2> i.e. stuff for LSIT (Land Surveyor in Training), etc
2013-05-11T08:07:10 < R2COM> hmm no it was academic
2013-05-11T08:07:18 < ds2> 'k
2013-05-11T08:07:27 < R2COM> with mean askers and questioners
2013-05-11T08:08:16 < ds2> oral exams?
2013-05-11T08:08:22 < R2COM> mixed, yes
2013-05-11T08:08:58 < R2COM> oral was an option which the asker could pursue, and always did of course.
2013-05-11T08:09:14 < ds2> oh my
2013-05-11T08:09:20 < ds2> what country is this?
2013-05-11T08:09:29 < R2COM> russia
2013-05-11T08:10:10 < ds2> ah
2013-05-11T08:10:25 < ds2> I don't know of many people who did oral exams for a BS level degree
2013-05-11T08:10:51 < R2COM> ideally one did not have to, its like you choose  a *ticker* with question for example
2013-05-11T08:10:54 < R2COM> out of 25 tickets
2013-05-11T08:10:59 < R2COM> each ticket has 3 questions
2013-05-11T08:11:03 < R2COM> but..
2013-05-11T08:11:16 < R2COM> the asker, can ask you additional question if you answered all 3
2013-05-11T08:11:24 < R2COM> and always did...
2013-05-11T08:11:27 < ds2> sounds grueling
2013-05-11T08:12:07 < R2COM> and as a result the asker knew that you are aware of all 25x3 questions pretty well, so he asked you something pretty much outside of your course experience
2013-05-11T08:16:37 < R2COM> I survived I got over it
2013-05-11T08:17:26 < R2COM> it was much harder to get awayt with all A+ or so called "red diploma" ... I did not get that one, but I got satisfactory one
2013-05-11T08:27:54 < BJfreeman> it is hard to teach thinking outside the box when there is so much to gram in the brain
2013-05-11T08:32:04 < Jenev> can anyone help me figure out why this code isn't working --> http://ideone.com/CD9W0J
2013-05-11T08:32:40 < Jenev> Looking at the registers everything seems to be setup perfectly but the buffer just isn't filling up
2013-05-11T08:33:18 < Jenev> if I reverse the direction of transfer (i.e. from memory to peripheral) I get an output from the com port
2013-05-11T08:33:48 < Jenev> so then why can't it work this way?
2013-05-11T08:35:39 < dongs> FUCK USB; USB SUX; USB IS DYING; USB IS DEAD TO ME; USB HIT WTC
2013-05-11T08:36:24 < ds2> isn't that a painful thing to do?
2013-05-11T08:36:29 < ds2> those USB sockets are pretty small...
2013-05-11T08:38:34 -!- Rickta59 [~kimballr@cpe-174-106-144-066.ec.res.rr.com] has quit [Ping timeout: 276 seconds]
2013-05-11T08:39:30 < R2COM> BJfreeman: true. but possible.
2013-05-11T09:06:20 -!- Jenev [~someone@207.191.240.19] has quit [Quit: Leaving]
2013-05-11T09:15:20 < dongs> USB interrupt is working... yet shit still fails
2013-05-11T09:15:32 < dongs> hmm
2013-05-11T09:18:13 < GargantuaSauce> where is your kile now
2013-05-11T09:18:39 < dongs> im not evne sure what the problem is though
2013-05-11T09:18:54 < PaulFertser> ds2: modern web sucks so much, like it's based on kludges and abusing technologies. ST website (especially 2 years ago) is a perfect example. Let them pain-lovers improve their JITs for JS machines if they need it so much to view hypertext, meh. Fellow emacs-w3m user here.
2013-05-11T09:21:21 < PaulFertser> ds2: and i agree inflexibility of the majority of "modern" (especially commercial) software can infuriate. It's often so much easier to tell the computer exactly what you want to do by scripting...
2013-05-11T09:23:57 < PaulFertser> R2COM: so, what do you prefer for EDA?
2013-05-11T09:25:45 < R2COM> ehst do you mena?>
2013-05-11T09:25:51 < R2COM> eda for what?
2013-05-11T09:28:25 < PaulFertser> R2COM: what do you use to capture schematics and do pcb layouts?
2013-05-11T09:28:39 < R2COM> Allegro Cadence, for professional stuff.
2013-05-11T09:28:39 < dongs> i think he's allegro/orcad fanboy
2013-05-11T09:28:57 < R2COM> however, I can do Kicad stuff for toying around
2013-05-11T09:29:12 < dongs> snort
2013-05-11T09:29:38 < R2COM> and I did use Eagle too before
2013-05-11T09:29:51 < dongs> hmm, ST example HID does work
2013-05-11T09:30:08 < R2COM> for high speed stuff of course Allegro is best, if one needs to complete project quickly
2013-05-11T09:30:12 < dongs> so im fucking something up
2013-05-11T09:31:18 < PaulFertser> R2COM: and what about Mentor? They seem to offer so many additional modules useful for all kinds of stuff.
2013-05-11T09:31:41 < R2COM> PaulFertser: I did some toying around with Mentor PADS PCb suite.
2013-05-11T09:32:08 < R2COM> I cant say I did it much enough to judge how good it is though.
2013-05-11T09:32:40 < R2COM> But I use some stuff from Mentor, like ModelSim for FPGA design, its really nice and fast.
2013-05-11T09:33:46 < R2COM> I do use it all the time actually...mentor Graphics ModelSim
2013-05-11T09:34:12 < R2COM> its much better and faster than native Xilinx ISE simulator ISIM.
2013-05-11T09:35:20 < dongs> xilinx fucked themselves over when they got rid of waveform editor for sim
2013-05-11T09:35:31 < dongs> now dumbidiots like me cant use thier shit
2013-05-11T09:35:36 < dongs> cause I can barely write hdl never mind writing TESTCASES in HDL
2013-05-11T09:35:42 < dongs> clicking on waveforms was much easier!
2013-05-11T09:36:03 < PaulFertser> btw, talking about professionals... It were professionals who designed GSM, it were professionals who invented ACPI "scripts" and other "nifty" things that cause so much pain for the notebook users. They all were using professional tools and there was management and QA all right. And so we live now in the world of kludge and failure. I can't see how being "industry-standard"/commercial/expensive can justify tool quality at all.
2013-05-11T09:36:56 -!- emeb_mac [~ericb@ip72-223-89-10.ph.ph.cox.net] has quit [Quit: emeb_mac]
2013-05-11T09:37:16 < R2COM> You would know it if you were a tank operator getting a hit from guided missile.
2013-05-11T09:38:45 < R2COM> or a pilot who suddenly sees short *shock* sound, and *rurbine failure*  event on his screen.
2013-05-11T09:39:01 < R2COM> s/rurbine/turbine
2013-05-11T09:39:11 < GargantuaSauce> it really would suck if your rurbine failed
2013-05-11T09:39:19 < R2COM> xD
2013-05-11T09:43:23 < PaulFertser> Mission-critical stuff can be verified much more thoroughly just because it's mission-critical. And developers' objectives are different, not only they need to make the shit work, they need to provide a proof on how reliably it will work. For most commercial development the target is to sell the shit so that's a whole different business, a direct analogy is not possible.
2013-05-11T09:44:08 < R2COM> sure. then use what you want, like Eagle, and stuff.
2013-05-11T09:47:07 < jpa-> PaulFertser: well acpi is still better than apm anyway :)
2013-05-11T09:47:29 < PaulFertser> jpa-: true but still a big PITA
2013-05-11T09:47:41 < jpa-> computers are a PITA :P
2013-05-11T09:50:30 < PaulFertser> jpa-: they could have been less so if the "professionals" cared.
2013-05-11T09:53:43 < PaulFertser> R2COM: i do not like Eagle either. My point was not of amatuer vs. professional, I tried to highlight the fact that commercial doesn't mean quality.
2013-05-11T09:54:08 < R2COM>  it does mean most of the time.
2013-05-11T09:54:57 < R2COM> because commersial means that you get support, you can call and get support, instead of shitting around. also its a better software which has more good features.
2013-05-11T09:55:30 < R2COM> unlike some freeshit, in which one has to spend more time on troubleshooting of software instead of getting work done.
2013-05-11T09:57:20 < dongs> it were professionals who invented ACPI "scripts" and other "nifty" things that cause so much pain for the notebook users.
2013-05-11T09:57:23 < dongs> what??????????????
2013-05-11T09:57:43 < PaulFertser> You can get quality support for any software. And with "freeshit" you've a choice of support providers. And they can dig much deeper because they have the codes at hand.
2013-05-11T09:57:46 < dongs> PaulFertser: you must be talking about lunix
2013-05-11T09:57:46 < dongs> because "ACPI" hasn't caused "pain" for "notebook users" since Windows 98 SE
2013-05-11T09:57:46 < dongs> Did you know?
2013-05-11T09:57:57 < dongs> a groups of PAID INTEL ENGINEERS
2013-05-11T09:58:03 < dongs> were called in to write lunix acpi stack
2013-05-11T09:58:09 < dongs> and in 2013 it still FUCKING SUCKS
2013-05-11T09:58:18 < dongs> and intel is one of the 2-3 companes that fucking invented ACPI
2013-05-11T09:58:34 < dongs> i'd say if the dudes who fuckign came up with teh shit cant properly implement it on lunix, there's NO FUCKING HOPE
2013-05-11T09:58:46 < PaulFertser> dongs: it's not the ACPI bytecode interpreter that sucks. In fact it's pretty much trivial code. And that is not Linux specific.
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2013-05-11T09:58:59 < PaulFertser> dongs: pain is caused by the concept itself
2013-05-11T09:59:04 < dongs> PaulFertser: incorrect, i dont give a shit which part sucks
2013-05-11T09:59:13 < PaulFertser> dongs: here goes the fallacy, yes.
2013-05-11T09:59:16 < dongs> all I know is, I install windows 8 on any modern laptop and it fuckign WORKS.
2013-05-11T09:59:17 < dongs> i don't need to "shit around" like R2COM says.
2013-05-11T09:59:25 < dongs> good luck loading lunix on any fucking piece of modern hardware
2013-05-11T10:01:11 < PaulFertser> dongs: it usually works there just because the laptop vendor scrutinized that particular usecase, not because the design is proper. And the times it doesn't work you're SOL. You'd say choose a vendor wisely but meh, they all suck one way or the other and you're at their mercy.
2013-05-11T10:01:26 < dongs> what the fuck ever dude.
2013-05-11T10:01:33 < jpa-> i've been running linux for over 10 years now, and never had any really significant ACPI trouble.. on one acer laptop the battery charge indicator showed wrong and it was soon worked around in linux kernel
2013-05-11T10:01:34 < dongs> i buy any random laptop
2013-05-11T10:01:34 < dongs> it works
2013-05-11T10:01:37 < dongs> or desktop
2013-05-11T10:01:57 < dongs> or wahtever.
2013-05-11T10:02:00 < dongs> jpa-: yeah if you dont carea bout suspend to ram, disk, any sorta power management, sure hten lunix is great
2013-05-11T10:02:12 < PaulFertser> jpa-: you were lucky to buy models that were already tested and supported by the folks needing to go through DSDT disassembly dumps etc...
2013-05-11T10:02:14 < jpa-> dongs: those work for me also
2013-05-11T10:02:39 < dongs> why is it that freetards always have to go through all this fucking extra trouble
2013-05-11T10:02:44 < jpa-> PaulFertser: oh no, some kernel developer needed to dig into disassembly? now i feel bad for them
2013-05-11T10:02:44 < dongs> 'disassembly, dumps'
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2013-05-11T10:03:01 < jpa-> dongs: because we don't get the original code from manufacturers :)
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2013-05-11T10:03:32 < PaulFertser> jpa-: well, ACPI scripts are written in assembly-like language (and the "function names" are preserved) so all you miss are comments, shouldn't be that hard but still a needless pain.
2013-05-11T10:03:58 < jpa-> PaulFertser: yeah, i have looked at acpi disassembly for curiosity
2013-05-11T10:04:40 < jpa-> PaulFertser: still i don't see it as a bad concept that much.. i do wonder why they can't just have a clearly defined interface without bytecode to run, but what do i know
2013-05-11T10:04:52 < dongs> dudes
2013-05-11T10:04:57 < dongs> the problem isnt the acpi or the tables
2013-05-11T10:05:06 < dongs> lunix has no proper concept of device power management, or proper drivers, etc.
2013-05-11T10:05:11 < dongs> maintaining all that shit is a fulltime job
2013-05-11T10:05:18 < PaulFertser> dongs: i had to work with various windows versions too. That was a different kind of pain, the absolutely unsatisfactory one, when it works it works by "magic" and when it fails you have to do shit and when it works again you're still feeling fucked.
2013-05-11T10:05:20 < dongs> but everyone would rather just replace feces-covered wallpapers and make new distros
2013-05-11T10:05:26 < dongs> shit that actually matters doenst get done
2013-05-11T10:05:35 < jpa-> dongs: it works fine for me, really
2013-05-11T10:05:50 < dongs> jpa-: ok, stop whatever youre doing now and hit the power button.
2013-05-11T10:05:57 < jpa-> dongs: nothing happens
2013-05-11T10:05:57 < dongs> suspend to ram (or even disk)
2013-05-11T10:06:04 < dongs> come back when done.
2013-05-11T10:06:10 < jpa-> suspend to ram is on different button
2013-05-11T10:06:11 < PaulFertser> dongs: are you comparing Linux internal driver API with the windows DDK and prefer the latter, really? Have you written a single windows device driver?
2013-05-11T10:06:16 < jpa-> ok, i'll do that now
2013-05-11T10:06:39 < jpa-> done
2013-05-11T10:07:03 < dongs> PaulFertser: i have
2013-05-11T10:07:17 < dongs> and its inifinitely better than lunix shit will ever be for one reason:windows drivers are actually debuggable
2013-05-11T10:07:20 < dongs> with proper tools
2013-05-11T10:07:26 < dongs> what setup do you need to debug lunix kernrel drivers?
2013-05-11T10:07:27 < dongs> oh, right.
2013-05-11T10:07:28 < dongs> thanks.
2013-05-11T10:07:59 < jpa-> dongs: usually you can debug on same machine, but if necessary you can use firewire/low-level usb to debug from a different machine if you need to step through it
2013-05-11T10:08:14 < PaulFertser> DTrace are SystemTap are really powerful. Plain ftrace too.
2013-05-11T10:08:35 < dongs> jpa-: on lunix?
2013-05-11T10:08:40 < jpa-> dongs: yes
2013-05-11T10:09:20 < dongs> first time i hear about that actually working on lunix.
2013-05-11T10:09:28 < dongs> doesnt matter though since "debugger" would be gdb
2013-05-11T10:09:34 < jpa-> of course you need to use gdb which has uggly commands like "thread apply all backtrace" instead of nice and clean windbg "~*k"
2013-05-11T10:09:36 < dongs> so its back to zero as far as usefulness goes.
2013-05-11T10:10:01 < jpa-> dongs: have you ever used the kernel debugger on windows? it's pretty horrible compared to gdb
2013-05-11T10:10:14 < jpa-> or can you debug kernel drivers from visual studio now?
2013-05-11T10:10:41 < dongs> jpa, i have
2013-05-11T10:10:47 < dongs> it works unlike gdb
2013-05-11T10:10:53 < dongs> no idea about vs.
2013-05-11T10:10:55 < jpa-> gdb works also :)
2013-05-11T10:11:03 < jpa-> (why am i engaging a os battle with dongs :DDD)
2013-05-11T10:11:04 < dongs> maybe with ddk for 8. they gayed it up a lot
2013-05-11T10:12:02 < PaulFertser> dongs: first you say Linux has no proper concept of "proper drivers" and then you justify it pretending windbg is more user-friendly than gdb. Brilliant.
2013-05-11T10:17:15 < GargantuaSauce> http://xn--d-bga.su/psh.gif
2013-05-11T10:17:25 < GargantuaSauce> mandatory gif for this conversation
2013-05-11T10:17:48 < GargantuaSauce> fuck me it's after 4 already
2013-05-11T10:17:50 < dongs> hm ok i narrowed the shit down to not working because vectab is at 0x3000
2013-05-11T10:17:54 < dongs> hmm
2013-05-11T10:17:59 < dongs> if i build sample hid code with vectab at 0, it works fine
2013-05-11T10:20:35 < dongs> http://irclo.gr/cex.jpeg
2013-05-11T10:20:42 < dongs> attn emeb For his piece Steak Filter, Noah Feehan ran a video signal of a steak cooking through the actual steak. The deterioration of the video signal becomes a sign of how done the steak is.
2013-05-11T10:22:41 < GargantuaSauce> i am disappointed the steak was not cooked by the amplified signal
2013-05-11T10:26:35 < GargantuaSauce> yay stdperiph is now entirely absent from my stuff
2013-05-11T10:29:33 < jpa-> even the headers?
2013-05-11T10:30:13 < GargantuaSauce> i am using the cmsis ST headers still
2013-05-11T10:30:20 < GargantuaSauce> because getting rid of those would just be silly
2013-05-11T10:30:28 < jpa-> indeed
2013-05-11T10:30:49 < jpa-> though with libopencm3, it could be done without much trouble
2013-05-11T10:31:35 < GargantuaSauce> i am avoiding any sort of HAL like the plague for now
2013-05-11T10:31:53 < jpa-> why?
2013-05-11T10:32:35 < jpa-> especially for boring stuff like software-fifo for USART, a HAL is nice to have
2013-05-11T10:32:59 < jpa-> when i need to do some complex realtime ADC conversion etc, i usually bypass the HAL to more closely configure the hardware
2013-05-11T10:33:10 < GargantuaSauce> partially masochism and partially because i want to understand exactly what is happening at all times without any fuzzy gaps in my knowledge brought about by abstraction
2013-05-11T10:33:18 < jpa-> but i wouldn't consider stdperiph a HAL really.. it's just stupid wrapper functions without any sane interface
2013-05-11T10:33:33 < jpa-> ah, that is reasonable
2013-05-11T10:34:16 < GargantuaSauce> once i am comfortable enough with what's going on i'll start using opencm3 probably
2013-05-11T10:34:41 < jpa-> i've been avoiding libopencm3 because of the license
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2013-05-11T10:35:21 < GargantuaSauce> i think the lgpl dicks you over less than you might think
2013-05-11T10:35:50 < jpa-> depends on what you do
2013-05-11T10:36:17 < GargantuaSauce> yeah, if you modify it you have to distribute the sauce but not for just linking with it
2013-05-11T10:36:20 < jpa-> providing relinkable binaries exposes a lot of the internals of your own code
2013-05-11T10:36:59 < PaulFertser> Yes, and LGPL requires that indeed.
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2013-05-11T10:37:26 < jpa-> also the patent stuff
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2013-05-11T10:39:38 < R2COM> the only annoying thing with ST headers is, that something like _1 or _0 instead of just ON OFF
2013-05-11T10:39:46 < R2COM> to know better what is in which state
2013-05-11T10:40:28 < R2COM> several types of names, instead of specific naming of state.
2013-05-11T10:40:56 < R2COM> but I guess its not much of a trouble... especially if one used to work with it, and always has stm32fxxxx.h opened in separate monitor screen...
2013-05-11T10:41:37 < GargantuaSauce> they redefine a lot of register bits that are defined in the cmsis headers
2013-05-11T10:41:39 < GargantuaSauce> that kinda bugs me
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2013-05-11T10:47:52 < izzy84075> Is the F3 line the newest of the bunch or something? It seems like nothing out there supports them...
2013-05-11T10:48:13 < izzy84075> Or is it folded in under something else?
2013-05-11T10:50:32 < jpa-> F3 is quite new, so is F427
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2013-05-11T11:21:16 < dongs> define "supports"?
2013-05-11T11:21:25 < dongs> all commercial compilers added F3 support months ago
2013-05-11T11:21:37 < dongs> st has stdperiphlib for them..
2013-05-11T11:21:47 < dongs> otherwise its just M4 + slightly different peripherals
2013-05-11T11:25:51 < dongs> hmm, HID shit with bootloader now works. so its back to my code being garbage
2013-05-11T11:25:53 < dongs> not surprised :)
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2013-05-11T11:31:09 < izzy84075> I'm brand new to ARM, and rather close to broke, and all the limitations on the free versions of the commercial compilers bug me. And I don't know enough about how any of the seemingly standard-for-ARM stuff pieces together to get something rigged up, which drops off most of the free stuff, since none of them have built-in F3 support yet.
2013-05-11T11:34:54 < dongs> 32k keil is free.
2013-05-11T11:35:02 < dongs> by the time you get to 32k, you'll probably know what youre doing.
2013-05-11T11:35:15 < R2COM> probably perfect for devices which are 32K ram max
2013-05-11T11:35:25 < R2COM> (although not sure if theres limitation on debug)
2013-05-11T11:35:31 < dongs> no, only linker is limited
2013-05-11T11:35:32 < dongs> nothing else
2013-05-11T11:35:36 < R2COM> ok
2013-05-11T11:35:59 < dongs> and yeah, if you got a 32kbyte flash device, well, you dont have anything to worry about heh
2013-05-11T11:36:16 < dongs> tahts why im still using freetard version of cosmic stm8 compiler
2013-05-11T11:36:26 < dongs> cause the biggest chip with thaT I use is stm8s105k6 which is 32k
2013-05-11T11:36:44 < dongs> i did email them for price and it was something like 8k eur
2013-05-11T11:36:50 < dongs> .. for a 8bit compiler, i'll pass
2013-05-11T11:37:27 < ABLomas> 8K eur for compiler? Huh
2013-05-11T11:37:41 < dongs> eurotrash pricing, probably
2013-05-11T11:37:42 < R2COM> heh
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2013-05-11T11:37:56 < dongs> http://www.cosmic-software.com/ theri website is web 1.0
2013-05-11T11:38:12 < dongs> ha,
2013-05-11T11:38:19 < dongs> they have arm compiler
2013-05-11T11:38:34 < dongs> The Cosmic Cortex compiler has been designed to produce efficent 16-bit code code.
2013-05-11T11:38:37 < dongs> oh my
2013-05-11T11:38:44 < dongs> just waht i've been waiting for
2013-05-11T11:38:44 < dongs> making efficient code code.
2013-05-11T11:39:31 < dongs> Cortex M3/M4 tools, covering derivatives from Freescale (Kinetis), ST (STM32), NXP and others, limited to 64k, free version.
2013-05-11T11:39:34 < dongs> requires (free) registration.
2013-05-11T11:39:37 < dongs> nice
2013-05-11T11:39:41 < dongs> maybe its better than (gay)cc
2013-05-11T11:39:42 < dongs> 64k!
2013-05-11T11:42:22 < dongs> mkay back to usb debugging
2013-05-11T11:43:08 < izzy84075> Looks like the chip I'm going to end up on has 256KB of flash. Any estimates how hard it'll be to make the transition when I hit the limits, as far as code changes? Not sure how tied to that particular environment code gets in the ARM world.
2013-05-11T11:43:22 < izzy84075> If I hit the limits, rather.
2013-05-11T11:45:09 < dongs> there's nothing tying you to the ide/whatever
2013-05-11T11:45:20 < dongs> shit i write compiles by both armcc and gcc without problems
2013-05-11T11:45:32 < dongs> you'll need to dick with linker script  stuff for gcc but you can just copy existing examples if  youre not doing anything weird.
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2013-05-11T11:48:05 < izzy84075> Well that's a welcome change.
2013-05-11T11:48:19 < dongs> anyway, theres nothign special to "support" F3.
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2013-05-11T11:50:25 < izzy84075> Preconceptions from a non-ARM world. Glad to hear that it's just me not knowing how everything fits together yet, though.
2013-05-11T11:50:30 < UweBonnes> I wrote a lot of support for F3 on Ethernut
2013-05-11T11:52:38  * izzy84075 starts the Keil download and heads to bed. Thanks for clearing that up. I'll probably be back once I actually start trying to write code for this thing.
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2013-05-11T12:57:12 < dongs> jesus christ ST USB library is a fucking disaster
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2013-05-11T12:59:51 < Tectu> how comes, dongs?
2013-05-11T13:00:53 < PaulFertser> Can anyone please tell me what official document specifies maximum JTAG/SWD speed for stm32s?
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2013-05-11T13:09:03 < dongs> fuck i dont understand whats going on.i copied exactly same fucking code 1:1 from HID sample
2013-05-11T13:09:16 < dongs> even got hid sample working under bootloader
2013-05-11T13:09:23 < dongs> but not my shit,m which is exact copy
2013-05-11T13:09:24 < dongs> wtf
2013-05-11T13:11:08 < Tectu> dongs vs. source code DRM; DRM wins
2013-05-11T13:11:26 < dongs> ?
2013-05-11T13:11:43 < dongs> i should probably use keil USB lib
2013-05-11T13:11:51 < dongs> shit would probably actually work as advertised.
2013-05-11T13:12:00 < Tectu> ChibiOS/RT USB shit works
2013-05-11T13:12:04 < dongs> rlf.
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2013-05-11T13:13:21 < Tectu> rlf?
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2013-05-11T13:19:11 < PaulFertser> btw, what if i have several stm32s on board, how to flash them all via a single connector? I assume it's not possible to just connect SWD in parallel, or is it?
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2013-05-11T13:24:08 < dongs> swd, no.
2013-05-11T13:24:08 < jpa-> swd does have multidrop support, but i'm not sure if that is supported by stm32 or the programmer you use
2013-05-11T13:24:12 < dongs> you'd have to use full jtag
2013-05-11T13:24:45 < jpa-> hum http://www.arm.com/about/newsroom/25872.php
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2013-05-11T13:31:17 < PaulFertser> It needs to be SWD v2 for multidrop and it looks like stm32's support v1 only.
2013-05-11T13:32:06 < jpa-> multiplexer on boot0 and using the usart bootloader might be the easiest, if flashing is all you need
2013-05-11T13:33:11 < jpa-> (or boot0's connected together and multiplexer on usart1 rx)
2013-05-11T13:36:29 < PaulFertser> Probably jtag would be easier. It's just that i've heard here that SWD "totally rules" and JTAG sucks, well, one of the usecases for JTAG is to have a single production flashing + debug interface on a multi-soc board.
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2013-05-11T13:38:25 < jpa-> true
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2013-05-11T13:49:18 < pelrun> alternatively could multiplex the swclk line and gang the nrst and swdio lines
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2013-05-11T14:04:53 < dongs> o yeah
2013-05-11T14:04:59 < dongs> copied keil usb example
2013-05-11T14:05:03 < dongs> working 2 minutes later.
2013-05-11T14:13:00 < dongs> except vmware fucked up usb so now i have to restart it
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2013-05-11T15:26:44 < Tectu> what accelerometer would you guys suggest to put on a dev board?
2013-05-11T15:28:14 < jpa-> for developing what?
2013-05-11T15:28:45 < jpa-> LSM303DLHC seems to be common nowadays, even though it's documentation is shit
2013-05-11T15:29:04 < jpa-> but if it is a STM32 dev board, why not use the same one that is on the (F3?) discovery
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2013-05-11T15:40:15 < UweBonnes> Tectu: If price is a premium, consider the MMA8451Q.
2013-05-11T15:40:24 < dongs> i use that.
2013-05-11T15:40:50 < UweBonnes> But if you need single working unit, F3Discovery is unbeatable.
2013-05-11T15:41:51 < Tectu> nono, I am searching for a chip that I can put on a board
2013-05-11T15:41:54 < Tectu> not for a board with one :)
2013-05-11T15:42:06 < dongs> MMA8451Q is nice and < $1
2013-05-11T15:42:42 < Tectu> dongs, cool. I looked for the one that's also on the F4 discovery board and it's 10$
2013-05-11T15:44:17 < UweBonnes> Textu: You are comparing apple with pears with regard to number you need to buy for that price...
2013-05-11T15:46:58 < Tectu> I saw the MPU-9150 but I didn't find any price tag for single quantities
2013-05-11T15:48:05 < dongs> $9
2013-05-11T15:48:07 < dongs> http://www.cdiweb.com/ProductDetail/MPU9150-InvenSense-Inc/73953/#.UY49_LU0_As
2013-05-11T15:48:16 < dongs> about double that from invensense store directly.
2013-05-11T15:48:23 < dongs> i can sell you mpu6000s if you want.
2013-05-11T15:49:29 < UweBonnes> Look on findchips.com to get a feeling for price and availability of parts.
2013-05-11T15:51:24 < Tectu> dongs, I check out the 6000s
2013-05-11T15:51:38 < Tectu> UweBonnes, is that site usable/considerable as serious?
2013-05-11T15:51:50 < dongs> no
2013-05-11T15:51:51 < dongs> sounds liek spam
2013-05-11T15:51:54 < dongs> octopart is legit
2013-05-11T15:52:00 < dongs> findchip sounds like alldatasheet-style crap
2013-05-11T15:52:26 < talsit> dongs: this is what it feels like listening to you: http://i.minus.com/i4Hmc7AHaj8rs.gif
2013-05-11T15:52:48 < Tectu> dongie, mpu6000 seems a bit too expensive for my application
2013-05-11T15:53:10 < Tectu> talsit, LOL!
2013-05-11T15:53:26 < inca> UweBonnes: thx for the link
2013-05-11T15:53:27 < dongs> Tectu: its $8 or wahtever. and has SPI.
2013-05-11T15:53:28 < dongs> but yeah.
2013-05-11T15:53:34 < inca> Morning ##stm32
2013-05-11T15:53:46 < Tectu> hello inca
2013-05-11T15:53:52 < dongs> you cant even solder it im sure
2013-05-11T15:53:52 < Tectu> dongs http://octopart.com/mpu-6000-invensense-19006090
2013-05-11T15:54:11 < Tectu> soldering no issue
2013-05-11T15:54:11 < dongs> yes?
2013-05-11T15:54:26 < dongs> those are evalboard prices.
2013-05-11T15:54:33 < dongs> the only part on that list is the one from CDI
2013-05-11T15:54:34 < dongs> for $7.50
2013-05-11T15:54:58 < Tectu> ah
2013-05-11T15:55:10 < dongs> though element14 being nuts wouldnt surprise me
2013-05-11T15:56:11 < UweBonnes> Tectu: Findchips give good hints.
2013-05-11T15:56:22 < Tectu> UweBonnes, okay, I will keep that in mind, thanks!
2013-05-11T15:56:36 < inca> UweBonnes: I had been using eem.com for some time now
2013-05-11T15:58:27 < Tectu> inca: is it good?
2013-05-11T15:58:53 < inca> the part numbers occasionally are a bit mangled between distributors, but that's not really EEM's fault
2013-05-11T15:59:10 < inca> but otherwise, it does work and I use it before committing to BOM pricing
2013-05-11T16:26:12 < Tectu> NJU7771_NJU7772_NJU7773_NJU7774_NJU7775_NJU7776_E.pdf
2013-05-11T16:26:16 < Tectu> oh digikey... why...
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2013-05-11T16:33:54 < Robint91> Tectu, L3GD20?
2013-05-11T16:35:56 < Robint91> does someone know where I can find something like this?
2013-05-11T16:35:57 < Robint91> http://i.imgur.com/6ltpDEX.png
2013-05-11T16:36:01 < Robint91> PCB mount
2013-05-11T16:36:11 < Robint91> and the hole is 5/8" BSW thread
2013-05-11T16:36:22 < Tectu> search for "PCB cable terminal"
2013-05-11T16:36:34 < Robint91> Tectu, it isn't a cable terminal
2013-05-11T16:36:42 < Robint91> Tectu, only for structural need
2013-05-11T16:36:47 < Tectu> ah
2013-05-11T16:37:07 < Tectu> no idea, sorry
2013-05-11T16:41:54 < gxti> why not an angle bracket instead
2013-05-11T16:42:33 < Robint91> gxti, still a bit manual labor
2013-05-11T16:42:58 < Robint91> with something like this, you can use the wave soldering machine to put these one
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2013-05-11T17:10:45 < dongs> sup where chat
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2013-05-11T17:26:39 < Laurenceb_> separation
2013-05-11T17:28:10 < dongs> wat
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2013-05-11T17:41:56 < Tectu> this is how I imagine Laurenceb at his workplace: http://www.youtube.com/watch?feature=player_detailpage&v=P4qB6n1cm04#t=145s
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2013-05-11T18:31:36 < Jenev> hello
2013-05-11T18:31:53 < Jenev> I am trying to get this code working --> http://ideone.com/1FqIdE
2013-05-11T18:32:20 < Jenev> but when ever I send data through the COM port the buffer doesn't fill
2013-05-11T18:33:15 < Jenev> according to the peripheral registers everything seems to be setup correctly and the data shows up in the USART DR but it just doesn't go into the buffer
2013-05-11T18:33:23 < Jenev> can anyone help me with this?
2013-05-11T18:36:20 < zyp> DMA2 Stream 6 Channel 5 is USART6_TX, not RX
2013-05-11T18:37:44 < Jenev> zyp,holy crap how did I miss that
2013-05-11T18:37:48 < Jenev> thank you
2013-05-11T18:39:11 < dongs> zyp, did  you hear my success story with ST usb library
2013-05-11T18:39:17 < zyp> no?
2013-05-11T18:39:33 < dongs> spent hours making it work, then shift-del'd all and used keil usb lib, working in 2 minutes
2013-05-11T18:39:39 < zyp> :)
2013-05-11T18:40:01 < dongs> i honestly have no idea what the fuck happened.
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2013-05-11T19:02:18 < pelrun> yeah, st's libs are 'a bit shit'.
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2013-05-11T19:54:25 < dongs> zyp
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2013-05-11T19:56:00 < dongs> actually never mind. drive its on is dead.
2013-05-11T19:56:00 < dongs> bbl
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2013-05-11T19:57:16 < zyp> ok
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2013-05-11T20:01:47 < Robint91> flashed 120 pic18f25k22 in about 30min
2013-05-11T20:01:50 < Robint91> wut
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2013-05-11T20:08:28 < Laurenceb_> rofl
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2013-05-11T20:39:39 < PaulFertser> attn dongs: http://blog.zorinaq.com/?e=74 what a MS windows kernel dev had to say about windows, and windows internals, in comparison with the other OSes.
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2013-05-11T20:57:37 < gxti> attn PaulFertser nobody cares
2013-05-11T20:57:47 < gxti> stop trying to pick fights :p
2013-05-11T20:58:39 < qyx_> gxti: hm, may be the cause (ad chibi/debugging)
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2013-05-12T00:23:39 < jpa-> bah, shift registers are sooo complicated :(
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2013-05-12T00:28:55 < GargantuaSauce> wat
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2013-05-12T00:35:09 < gxti> bits go in, bits come out, never a miscommunication. you can't explain that!
2013-05-12T00:35:25 < jpa-> except this shift register
2013-05-12T00:35:37 < jpa-> bits go in, they never come out when i'm writing them
2013-05-12T00:35:51 < jpa-> but if i bruteforce random garbage to the pins, random garbage comes out
2013-05-12T00:47:42 < gxti> apparently 3M part number 30023 is either static shielding bags or a hi-strength spray adhesive
2013-05-12T00:48:15 < GargantuaSauce> are you forgetting to strobe the output register's clock?
2013-05-12T00:48:22 < Laurenceb_> hmm
2013-05-12T00:48:32 < Laurenceb_> id like some high strenght spray adhesive
2013-05-12T00:48:34 < Laurenceb_> sounds good
2013-05-12T00:49:20 < gxti> aren't part numbers supposed to, i don't know, uniquely identify a part?
2013-05-12T00:51:55 < jpa-> GargantuaSauce: hmm.. seems that maybe my test data was just stupid
2013-05-12T00:52:04 < GargantuaSauce> zeros? :)
2013-05-12T00:55:19 < jpa-> no, it was 255,255,255,...,0,0,0,0,... but apparently both values mean the same to the display
2013-05-12T00:56:00 < jpa-> whereas 0x55,0x55,0x55,... 0,0,0,0,... brings some results
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2013-05-12T01:38:07 < jpa-> it works \o/  https://www.youtube.com/watch?v=1ae9lhSr8GU
2013-05-12T01:38:57 < gxti> hooray
2013-05-12T01:39:17 <+Steffanx> Even the speed at this point is acceptable :P
2013-05-12T01:39:32 <+Steffanx> Nah, maybe not :P
2013-05-12T01:39:55 <+Steffanx> but nice
2013-05-12T01:40:14 < jpa-> yeah the waveforms need tuning
2013-05-12T01:40:44 <+Steffanx> waveforms?
2013-05-12T01:40:50 < jpa-> the timing of the display updates
2013-05-12T01:41:11 < jpa-> it is supposed to be done so that you load the next data while it is updating the previous row.. now i wait a lot at every point
2013-05-12T01:41:13 < jpa-> and no DMA :P
2013-05-12T01:41:17 <+Steffanx> oh :)
2013-05-12T01:41:37 < GargantuaSauce> sweet mandelbro
2013-05-12T01:43:03 < jpa-> also i still don't know what the heck is Vborder supposed to do.. i guess i should do something with it to get darker black & brighter white
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2013-05-12T01:57:26 <+Steffann> fancy nick dekar__ :P
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2013-05-12T01:57:35 < karlp> huh, microxplorer now has a power calculator too
2013-05-12T01:57:39 < karlp> neat
2013-05-12T01:57:54 <+Steffann> and it's still a setup.exe for a cross platform app?
2013-05-12T01:58:00  * karlp shrugs.
2013-05-12T01:58:02 < karlp> downloading now
2013-05-12T01:58:28 < Laurenceb_> setup that unzips a java file
2013-05-12T01:58:36 <+Steffann> Yep.. .exe :)
2013-05-12T01:59:37 < karlp> well, unfortunately it doesn't open as just a zip like some .exes do.
2013-05-12T01:59:45 < karlp> can somoene put the java somewhere?
2013-05-12T02:00:07 <+Steffann> my xp vm is waking up :)
2013-05-12T02:00:34 < karlp> yeah, I'm at home, don't have a windows vm setup here
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2013-05-12T02:03:06 <+Steffann> uploadink
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2013-05-12T02:05:39 <+Steffann> karlp : http://share.naffets.nl/MicroXplorer.zip
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2013-05-12T02:19:47 < gxti> i spend 20 minutes fixing this board, then don't check the bench PSU and put 10 volts into it while attempting to test. yay.
2013-05-12T02:20:04 < gxti> $5 and 20 minutes lost, and i didn't even get a nice smell
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2013-05-12T03:23:07 < gxti_> does digi-key not do free shipping within US? seems backwards
2013-05-12T03:23:30 < qyx_> once i put 12V to f207 jtag port :/
2013-05-12T03:24:17 < gxti_> heh, luckily that was just a $2 isolator
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2013-05-12T03:42:20 < gxti_> this ntp server went from sexy to REALLY sexy once i turned the debug checks off
2013-05-12T03:42:43 < gxti_> pretty sure all the jitter that ntp sees is from the PC doing the measurements now :-)
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2013-05-12T14:56:01 < Tectu> using external RAM (16 data, 18 address, 4 command lines) and ethernet on an 144pin F4 -> you'll do hard finding free SPI, USART and I²C interfaces
2013-05-12T15:01:53 < zyp> really? the entire GPIOA block is not used by FSMC
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2013-05-12T15:03:42 < zyp> and GPIOB only has PB7 used for FSMC
2013-05-12T15:04:01 < zyp> and GPIOC is also free
2013-05-12T15:04:31 < zyp> that's 47 pins that's not used by FSMC
2013-05-12T15:04:50 < zyp> and you still can't find some SPI, UART and I2C interfaces among them?
2013-05-12T15:10:06 < Tectu> -.-
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2013-05-12T15:18:20 < sterna> remapping?
2013-05-12T15:18:26 < sterna> might also help
2013-05-12T15:20:40 < zyp> remapping is a F1 thing
2013-05-12T15:21:08 < dongs> yeah on F4 luckily you can do whatever yo uwant
2013-05-12T15:25:32 < Tectu> jup
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2013-05-12T15:25:44 < Tectu> so SPI1 is faster than SPI2 and SPI3 because it's on the other bus, right?
2013-05-12T15:25:50 < Tectu> is that with I2C the same thing?
2013-05-12T15:25:58 < zyp> no
2013-05-12T15:26:04 < dongs> i2c is so fucking slow it doesnt matter what bus its on
2013-05-12T15:26:09 < zyp> exactly
2013-05-12T15:26:13 < Tectu> good
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2013-05-12T15:44:32 < Tectu> how long would my RTC run on a 1F super cap?
2013-05-12T15:45:20 -!- Valentin_ [~valentinp@141-88.62-81.cust.bluewin.ch] has joined ##stm32
2013-05-12T15:45:29 < dongs> over 9000 seconds
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2013-05-12T15:47:10 < Tectu> ;-)
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2013-05-12T16:18:41 < Cpu86> jpa-: i was told you're working on the e-ink driving protocol.
2013-05-12T16:19:06 < Cpu86> jpa-: (BrainDamage told me) any progress?
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2013-05-12T16:24:01 < Tectu> so let's say I have to populate ten boards with 135x85 each
2013-05-12T16:24:06 < Tectu> should I get a stencil?
2013-05-12T16:24:09 < Tectu> I never worked with one
2013-05-12T16:25:16 < zyp> do you have an oven?
2013-05-12T16:25:49 < zyp> or some ghetto way of reflowing the boards?
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2013-05-12T16:27:52 < Laurenceb_> broldering
2013-05-12T16:30:55 < Tectu> zyp: hot air soldering
2013-05-12T16:31:13 < zyp> sounds very ghetto
2013-05-12T16:31:13 < Laurenceb_> should work with a stencil
2013-05-12T16:31:17 < zyp> but yeah
2013-05-12T16:31:28 < zyp> if you are using paste, get a stencil to place it
2013-05-12T16:31:31 < Tectu> how expensive are those mostly? and the paste touse them
2013-05-12T16:31:39 < Tectu> I nver used paste also
2013-05-12T16:31:53 < Tectu> always just conventional iron with a thin point and regular 0.35mm soldering wire
2013-05-12T16:32:27 < Laurenceb_> i get them for free....
2013-05-12T16:32:32 < zyp> cheap paste is pretty much free
2013-05-12T16:32:40 < Laurenceb_> ask shrudlu on #electronics
2013-05-12T16:33:37 < zyp> but hot air sounds like a hassle
2013-05-12T16:33:48 < Laurenceb_> it works
2013-05-12T16:33:54 < Tectu> KiCAD autoplacer: Making connectors unusable since 2006:    http://abload.de/img/kicadohsa2.png
2013-05-12T16:33:55 < Laurenceb_> use ~238C
2013-05-12T16:33:56 < zyp> uneven heating, only reflowing part of the board at the same time
2013-05-12T16:34:12 < Tectu> Laurenceb_: he makes free stencils? o.O
2013-05-12T16:34:28 < Laurenceb_> for me
2013-05-12T16:34:33 < Laurenceb_> cuz i suck his cock
2013-05-12T16:34:44 < Tectu> zyp: is cheap paste the way to go?
2013-05-12T16:34:53 < zyp> works for me
2013-05-12T16:35:14 < Tectu> how do you apply the paste with the stencil? do you need some silkscreen printing like machine?
2013-05-12T16:35:24 < zyp> huh?
2013-05-12T16:35:32 < zyp> ah, no
2013-05-12T16:35:33 < Laurenceb_> no
2013-05-12T16:35:37 < zyp> just use a squeege
2013-05-12T16:35:41 < Laurenceb_> i use a "window scraper"
2013-05-12T16:35:49 < Laurenceb_> and 3M scotch-90
2013-05-12T16:35:55 < Laurenceb_> sray adhesive
2013-05-12T16:35:59 < Laurenceb_> *spray
2013-05-12T16:36:03 < Tectu> o.O
2013-05-12T16:36:05 < Tectu> what?
2013-05-12T16:36:06 < zyp> adhesive?
2013-05-12T16:36:24 < Tectu> zyp: I meant something like this: http://www.metallicresources.com/admin/pictures/SolderPasteApplication.jpg
2013-05-12T16:36:40 < Tectu> but looks liket his is going to work out as well: http://pink.myshoesaretootight.com/mirrors/amiga.serveftp.net/images/PLCC_socket/Apply_solder_paste.jpg
2013-05-12T16:36:40 < Laurenceb_> to stick the stencil to the pcb
2013-05-12T16:36:54 < Tectu> wait... why do I even need a stencil? o.O
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2013-05-12T16:37:05 < Tectu> I mean last picture... there's a solder stop mask
2013-05-12T16:37:13 < Laurenceb_> in b4 tom66
2013-05-12T16:37:20 < zyp> sure, if you want to use a syringe just do it
2013-05-12T16:37:30 < Tectu> is that a better or a worse way, zyp?
2013-05-12T16:37:33 < zyp> gets tedious when you have lots of solder points
2013-05-12T16:37:39 < Tectu> it's relly just for home use and to make some 10 or 20 PCBs
2013-05-12T16:37:49 < Laurenceb_> it wont work for QFN and stuff
2013-05-12T16:37:57 < qyx_> syringe is very bad idea
2013-05-12T16:37:59 < Laurenceb_> ive used a stencil and hot air
2013-05-12T16:38:25 < qyx_> works for passives and soic
2013-05-12T16:38:34 < qyx_> but not lqfp, qfn and so
2013-05-12T16:38:36 < Tectu> having LQFP and QFN here
2013-05-12T16:38:40 < Tectu> hmm
2013-05-12T16:39:04 < zyp> http://bin.jvnv.net/f/XOWoX.png <- I'm gonna solder up 25 of these when I get them, and even though there are only 28 pads on each board, I'm not gonna sit there and apply paste to every single pad with a syringe on 25 boards
2013-05-12T16:39:34 < qyx_> thats ok
2013-05-12T16:39:59 < qyx_> actually lqfp are better soldered with iron and gel flux
2013-05-12T16:40:40 < Tectu> zyp: what's that? a ultra micro quad?
2013-05-12T16:41:12 < zyp> part of a button matrix
2013-05-12T16:42:05 < Tectu> weren't there some very affordable styringe pumps on ebay with footpedal or something?
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2013-05-12T16:42:40 < zyp> the buttons are connected in a 2x2 matrix fashion, with diodes to avoid ghosting, and then the boards will join up to form larger matrices
2013-05-12T16:43:50 < zyp> these boards will sit in between the actual panels that are getting pressed
2013-05-12T16:45:05 < zyp> http://bin.jvnv.net/f/9o5rd.png
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2013-05-12T16:46:26 < Tectu> what are you working on? o.O
2013-05-12T16:48:40 < dongs> zyp's making a naziswitch
2013-05-12T16:48:44 < PaulFertser> Tectu: (autoplacer) LOL. Do you think there should be some additional attribute to the connectors added that would let KiCAD know if some part of it is supposed to be at a board edge?
2013-05-12T16:48:57 < Laurenceb_> lol dongs
2013-05-12T16:49:06 < Laurenceb_> needs 90 angles on the ends
2013-05-12T16:49:19 < Laurenceb_> oh wait it does
2013-05-12T16:49:21 < Laurenceb_> i fail
2013-05-12T16:49:21 < dongs> it has
2013-05-12T16:49:24 < dongs> http://bin.jvnv.net/f/9o5rd.png
2013-05-12T16:49:31 < Laurenceb_> omfg
2013-05-12T16:49:33 < Tectu> PaulFertser: totally.
2013-05-12T16:49:36 < Laurenceb_> he went full nazi
2013-05-12T16:49:44 < Tectu> PaulFertser: I knew it wouldn't work at all, I just wanted to see what it actually does :)
2013-05-12T16:50:20 < Laurenceb_> "switchler"
2013-05-12T16:50:37 < Tectu> okay, I actually laughed at the last one
2013-05-12T16:50:54 < dongs> gas controller
2013-05-12T16:51:09 < zyp> dongs, well, it's for «jewbeat» after all
2013-05-12T16:51:09 < Tectu> dongs, how are my BMPs today?
2013-05-12T16:51:39 < dongs> jewbeat?
2013-05-12T16:51:44 < dongs> Tectu: still in the same box they were in last time you asked
2013-05-12T16:52:01 < dongs> sadly,  im coding lunix kernel drivers so no time to dick with fail
2013-05-12T16:53:09 < zyp> heh
2013-05-12T16:53:16 < dongs> zyp, this i2c controller im using has a distinction
2013-05-12T16:53:23 < dongs> between "no subaddress" and 'regular' write
2013-05-12T16:53:30 < dongs> i am kinda failing to see how that makes a difference
2013-05-12T16:53:38 < dongs> since subaddress is just 1st byte in the transfer.
2013-05-12T16:53:42 < zyp> I was dicking around with dll injection on windows yesterday
2013-05-12T16:53:44 < dongs> after address
2013-05-12T16:53:47 < dongs> oh?
2013-05-12T16:53:51 < dongs> i'm pro at that.
2013-05-12T16:53:53 < dongs> waht did you hax0r with it
2013-05-12T16:55:08 < zyp> just intercepted some opengl calls to rotate and scale some shit
2013-05-12T16:55:44 < dongs> <zyp> i was trying to hack this eroge so i could see pantsu
2013-05-12T16:55:53 < dongs> this is what i saw
2013-05-12T16:56:29 < qyx_> fix your windows
2013-05-12T17:00:45 < zyp> dongs, nah, I was just annoyed by stuff hardcoded to 1360x768 and drawing everything rotated 90 degrees
2013-05-12T17:00:46 < dongs> so yea
2013-05-12T17:00:49 < dongs> sure sure
2013-05-12T17:00:52 < dongs> anyway, this i2c shit
2013-05-12T17:01:01 < zyp> what i2c shit?
2013-05-12T17:01:18 < dongs> "no subaddress" stuff doesn't make sense, why would the controller care
2013-05-12T17:01:26 < dongs> subaddress is just a byte in transmission
2013-05-12T17:01:31 < zyp> yeah
2013-05-12T17:01:37 < zyp> how does it distinguish?
2013-05-12T17:01:53 < dongs> in t he usb request, index = 0x01 << 8; no subaddress
2013-05-12T17:02:02 < dongs> otherwise, index = 1st byte
2013-05-12T17:02:12 < dongs> then the control transmission sends 2nd+
2013-05-12T17:02:13 < zyp> usb request?
2013-05-12T17:02:21 < dongs> (or none, in that case its just 0 length transmission
2013-05-12T17:02:24 < dongs> yeah.
2013-05-12T17:02:25 < dongs> its a usb i2c controller
2013-05-12T17:02:48 < dongs> is a 1 byte transmission that much longer than zero byte?
2013-05-12T17:02:53 < zyp> I bet it's for reads
2013-05-12T17:03:07 < dongs> no, reads always work, and thats a different vendor request
2013-05-12T17:03:36 < Laurenceb_>  "powerpoint" is kind of cool
2013-05-12T17:03:36 < zyp> yes, but isn't it similar?
2013-05-12T17:03:45 < Laurenceb_> i should try the powerpoint lifestyle
2013-05-12T17:03:50 < dongs> yes, its same
2013-05-12T17:03:57 < zyp> exactly
2013-05-12T17:04:03 < Laurenceb_> i give presentations, then everyone things I'm awesome
2013-05-12T17:04:08 < Laurenceb_> *thinks
2013-05-12T17:04:18 < dongs> do you have spaces in your presentations
2013-05-12T17:04:24 < Laurenceb_> lol
2013-05-12T17:04:31 < Laurenceb_> its so much better than doing real work
2013-05-12T17:05:10 < zyp> if you have a read with subaddr, you do a write, repeat start, read, so the subaddr in the read command means you don't have to do a separate write for the subaddr
2013-05-12T17:05:12 < Laurenceb_> i should try this as a full time job
2013-05-12T17:05:18 < dongs> right
2013-05-12T17:05:21 < dongs> and thats what it does
2013-05-12T17:05:25 < zyp> yes
2013-05-12T17:05:25 < dongs> for reads
2013-05-12T17:05:32 < dongs> but, there's a write byte vendor request
2013-05-12T17:05:34 < dongs> and write buffer
2013-05-12T17:05:37 < Laurenceb_> "motivational speaker"
2013-05-12T17:05:47 < zyp> and then it just uses the same API for writes
2013-05-12T17:05:54 < dongs> mkay.
2013-05-12T17:06:09 < dongs> so im wondering if I should actualyl bother handling nosuybaddress write because like
2013-05-12T17:06:20 < dongs> i can just send x bytes with subaddress at front
2013-05-12T17:06:44 < zyp> this sounds pretty similar to my usb i2c stuff
2013-05-12T17:06:47 < dongs> the only reason i can think of is for some kinda speed improvement
2013-05-12T17:06:58 < zyp> nah, just API consistency
2013-05-12T17:07:07 < dongs> i.e. 1byte write just needs a control request without any tailing bytes
2013-05-12T17:09:30 < zyp> http://paste.jvnv.net/view/c9NPL <- I'm using wValue for addr and wIndex for subaddr
2013-05-12T17:12:12 < zyp> I don't have support for reads and writes without subaddr in my I2C API
2013-05-12T17:12:35 < dongs> same,, value = addr << 8 here
2013-05-12T17:13:40 < zyp> this is what I've flashed to the DP board and been using to test the led driver
2013-05-12T17:13:56 < dongs> ? you made it i2c>usb ?
2013-05-12T17:13:57 < dongs> haha
2013-05-12T17:14:09 < dongs> i suppose thats one way.
2013-05-12T17:14:36 < zyp> it's faster than reflashing the board every time I want to try some other i2c command
2013-05-12T17:14:42 < dongs> right
2013-05-12T17:17:02 < gxti> sounds like a job for buttpirate
2013-05-12T17:17:08 < dongs> wrong
2013-05-12T17:17:34 < gxti> no u
2013-05-12T17:19:04 < Tectu> zyp: back to the topic: I have access to one of these: http://www.paggenshop.com/epages/61935700.sf/de_DE/?ObjectPath=/Shops/61935700/Products/%22IR550A%20%2B%20PL550A%22
2013-05-12T17:19:19 < zyp> gxti, why do I need to hook up external hardware when I can just hook up the usb driver in the firmware?
2013-05-12T17:19:41 < gxti> if you already got it working then great
2013-05-12T17:20:07 < gxti> if you spend 4 hours writing your little interface then maybe time to reconsider
2013-05-12T17:20:50 < zyp> of course it's working, and I've written it as an instanceable driver that I can just hook up to future projects
2013-05-12T17:23:32 < Laurenceb_> http://i.imgur.com/B9bn5.jpg
2013-05-12T17:23:49 < dongs> fuck reddit
2013-05-12T17:23:52 < dongs> stop spamming that trash.
2013-05-12T17:24:09 < gxti> ^
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2013-05-12T17:44:58 < Tectu> is anyone having experiences which such a thing? http://www.manncorp.com/smt/product-info.php?dispensers_jb1113-pid316.html
2013-05-12T17:45:18 < Tectu> Laurenceb_: what dongs said
2013-05-12T17:45:49 < Laurenceb_> Tectu:  http://www.angliatoolcentre.co.uk/stanley-sta028590-window-scraper-with-blade-pid32116.html?gclid=CK6G6KLnkLcCFZLKtAodLiEA-w
2013-05-12T17:46:17 < Tectu> Laurenceb_: yes?
2013-05-12T17:46:39 -!- Viper168 [~Viper@unaffiliated/viper168] has quit [Ping timeout: 256 seconds]
2013-05-12T17:46:41 < Laurenceb_> http://www.amazon.co.uk/dp/B000NJZXHS/ref=asc_df_B000NJZXHS13191245?smid=AH87VXRDGAHSQ&tag=hydra0b-21&linkCode=asn&creative=22218&creativeASIN=B000NJZXHS&hvpos=1o3&hvexid=&hvnetw=g&hvrand=3194281711407951552&hvpone=&hvptwo=&hvqmt=
2013-05-12T17:47:07 < Laurenceb_> http://compare.ebay.co.uk/like/280928507610?var=lv&ltyp=AllFixedPriceItemTypes&var=sbar&_lwgsi=y&cbt=y&device=c&adtype=pla&crdt=0&ff3=1&ff11=ICEP3.0.0&ff12=67&ff13=80&ff14=63
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2013-05-12T17:59:57 < dongs> wow, china actually had cloned some other textmode onscreendispaly chip
2013-05-12T18:00:05 < dongs> OSD7516
2013-05-12T18:02:13 < dongs> http://semicon.njr.co.jp/eng/PDF/NJM2244_E.pdf hmm
2013-05-12T18:03:04 < dongs> that seems like a neat solution to do black/white mix on OSD
2013-05-12T18:03:07 < dongs> depending how cheap it is
2013-05-12T18:03:28 < dongs> 86c
2013-05-12T18:03:30 < dongs> fuck yeah.
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2013-05-12T18:07:27 < dongs> so all I need is 2 dacs, 2 spi outputs and done
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2013-05-12T18:33:45 < Robint91> hi all
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2013-05-12T23:05:32 < jpa-> BrainDamage: Cpu86 was asking about eink, but left before i came back; yes, i have made some progress https://www.youtube.com/watch?v=1ae9lhSr8GU
2013-05-12T23:13:56 < BrainDamage> where the hell did you find that datasheet of the driver?
2013-05-12T23:14:14 < BrainDamage> would've saved me 1 day worth of dumping the logic signals
2013-05-12T23:16:13 < BrainDamage> ( and soldering that awful 0.3mm pitch connector )
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2013-05-12T23:28:15 < Robint91> jpa-, that is so nice
2013-05-12T23:29:12 < Robint91> jpa-, what are you making?
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--- Day changed Mon May 13 2013
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2013-05-13T00:38:04 < dongs> e-dink
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2013-05-13T01:06:34 < karlp> qyx_: I've just used the syringe to apply paste for lqfp 0.5mm, works just fine.
2013-05-13T01:07:43 < dongs> ...
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2013-05-13T01:16:25 < qyx_> karlp: it used to make lot of solder bridges in my case
2013-05-13T01:16:44 < qyx_> as you can't distribute it evenly
2013-05-13T01:17:44 < karlp> well, it was still faster and easier than soldering by hand.
2013-05-13T01:17:51 < karlp> sure, not as good as a stencil, but it worked at least
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2013-05-13T03:55:49 < dongs> anyone got any 2L 1.6mm pcbs they want made
2013-05-13T03:55:58 < dongs> got a slot in panel
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2013-05-13T05:47:53 < dongs> where the hell are the chats
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2013-05-13T05:47:57 < dongs> someone wake up
2013-05-13T05:48:02 < pelrun__> hey
2013-05-13T05:48:09 < dongs> lol
2013-05-13T05:48:13 < pelrun__> fix my F0 problem
2013-05-13T05:48:14 < pelrun__> XD
2013-05-13T05:48:29 < dongs> what did yo u fuck up?
2013-05-13T05:48:32 < pelrun__> silly thing doesn't call any irq handlers
2013-05-13T05:48:58 < pelrun__> not even systick
2013-05-13T05:49:03 < dongs> and y ou enabled them in nvic?
2013-05-13T05:49:08 < pelrun__> yeah
2013-05-13T05:50:06 < pelrun__> vector table should be okay too
2013-05-13T05:50:13 < pelrun__> flash is mapped to 0x0
2013-05-13T05:50:52 < dongs> odd
2013-05-13T05:51:00 < dongs> is it acutally running?
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2013-05-13T05:51:25 < pelrun__> hell, I shouldn't *have* to do anything beyond the initial SysTick_Config call to get systick working
2013-05-13T05:51:31 < dongs> yeah
2013-05-13T05:51:33 < pelrun__> and yeah, it is running
2013-05-13T05:51:48 < pelrun__> it just hangs if I do a __WFI
2013-05-13T05:52:05 < pelrun__> if I busywait and check the interrupt flags instead it proceeds
2013-05-13T05:52:08 < pelrun__> but that's crap
2013-05-13T05:52:12 < dongs> oh
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2013-05-13T05:52:47 < dongs> WFI is intended for power saving only. When writing software assume that WFI might behave as a NOP operation.
2013-05-13T05:53:04 < pelrun__> well yeah
2013-05-13T05:53:19 < pelrun__> I want the cpu to halt at that point until an interrupt happens
2013-05-13T05:53:24 < dongs> i know
2013-05-13T05:53:37 < pelrun__> but since no irq fires, it just sits there dumb
2013-05-13T05:53:37 < dongs> anyway, arm manual mentions something about primask
2013-05-13T05:54:34 < dongs> http://books.google.co.jp/books?id=5OZblBzjsJ0C&pg=PA207&lpg=PA207&dq=cortex+M0+WFI+primask&source=bl&ots=m1eOfgPkIt&sig=OfJ8MMfK-WhyhSXWN3xFOlLFuOM&hl=en&sa=X&ei=vVWQUebEGYvqkgWOuoDABw&redir_esc=y#v=onepage&q=cortex%20M0%20WFI%20primask&f=false
2013-05-13T05:54:39 < pelrun__> cheers
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2013-05-13T06:14:17 < pelrun__> wow, aint that fucking weird
2013-05-13T06:14:21 < pelrun__> vectactive is 3
2013-05-13T06:14:29 < pelrun__> which is hardfault
2013-05-13T06:14:50 < pelrun__> my program is somehow running in the hardfault handler
2013-05-13T06:15:09 < pelrun__> no wonder no other irq could fire
2013-05-13T06:15:50 < dongs> lol
2013-05-13T06:16:02 < pelrun__> now to figure out why the fuck that's happening
2013-05-13T06:16:21 < dongs> dont you have a debugger
2013-05-13T06:16:47 < pelrun__> yes.
2013-05-13T06:17:14 < pelrun__> I'm in this state before I hit main()
2013-05-13T06:17:22 < pelrun__> so something is fucked in the startup
2013-05-13T06:18:09 < pelrun__> and hardfault is supposed to just stick me in an infinite loop
2013-05-13T06:19:21 < dongs> never got a hardfault in startuip
2013-05-13T06:19:25 < dongs> always fucked up something later.
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2013-05-13T06:22:01 < pelrun__> I must be misinterpreting this
2013-05-13T06:22:23 < pelrun__> the debugger is halted on the first instruction of the startup and vectactive is 3
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2013-05-13T06:50:16 < dongs> who killed chats again
2013-05-13T06:50:24 < dongs> so in effect your entier project is fucked
2013-05-13T06:50:26 < dongs> thats whyt
2013-05-13T06:50:31 < dongs> have you checked if youre actually compiling for M0
2013-05-13T06:50:32 < dongs> and not like M3
2013-05-13T06:50:34 < dongs> :)
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2013-05-13T07:21:48 < pelrun__> haha
2013-05-13T07:22:07 < pelrun__> yeah, that was my first fuckup last week, but I caught it pretty quickly
2013-05-13T07:23:04 < pelrun__> aaah, now it's working
2013-05-13T07:23:21 < pelrun__> looks like it's my debugger setup not properly resetting the chip
2013-05-13T07:23:50 < pelrun__> power cycling the m0 cleared the hardfault
2013-05-13T07:24:12 < pelrun__> and then a breakpoint on a irq triggered
2013-05-13T07:24:16 < pelrun__> *sigh*
2013-05-13T07:31:42 < pelrun__> well, now I know it wasn't a problem in my code
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2013-05-13T07:36:05 < pelrun__> can go back to debugging fuckups that *are* my fault
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2013-05-13T08:07:24 < pelrun__> and then my laptop psu blew up :P
2013-05-13T08:07:39 < pelrun__> dry joint on the mains connector
2013-05-13T08:08:28 < dongs> awesome.
2013-05-13T08:08:58 < pelrun__> blew cinders right across the pcb
2013-05-13T08:09:46 < pelrun__> cleaned the carbon off the pin with a fibreglass brush, resoldered properly, works again
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2013-05-13T09:05:34 < dongs> http://i01.i.aliimg.com/img/company/v4/21/37/53/97/213753975_aboutus.jpg china
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2013-05-13T09:10:26 < pelrun__> ?
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2013-05-13T09:33:21 < dongs> argh
2013-05-13T09:33:25 < dongs> the smell of burning ICs
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2013-05-13T09:39:05 < dongs> ugh
2013-05-13T09:39:21 < dongs> why when i disconnect - from my bench power supply, my boards till running :(
2013-05-13T09:39:28 < dongs> is it gnd going through swd connector?
2013-05-13T09:39:34 < dongs> i thought this trash is supposed to be isolated
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2013-05-13T10:30:36 < dongs> ahb on F1 runs at 36mhz?
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2013-05-13T10:52:53 < Laurenceb_> attn dongs
2013-05-13T10:52:55 < Laurenceb_> http://www.theregister.co.uk/2013/05/10/iss_linux_debian_deployment/
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2013-05-13T11:48:58 < Aegis_> good morning
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2013-05-13T12:01:19 < pelrun__> f0 pwm, y u no work?
2013-05-13T12:06:55 -!- sterna [~Adium@194.17.253.121] has quit [Ping timeout: 260 seconds]
2013-05-13T12:16:19 < Aegis_> if everything else works it would seem likely to be either hardware or software.
2013-05-13T12:16:36 < Aegis_> rather than tool chain...
2013-05-13T12:17:13 < Aegis_> I am just now getting tooled up for stm32.
2013-05-13T12:19:28 < Aegis_> I put debian on a portable mini-itx box that I use for builds and have been getting my tool chain working.
2013-05-13T12:20:19 < Aegis_> I managed to get openocd and stlink for linux compiled and installed. They seem to work.  I have a couple of compilers here that seem to produce code.
2013-05-13T12:20:44 < Aegis_> Now I think I have to integrate it and make it all go.
2013-05-13T12:21:15 < Aegis_> meh. I just woke up, so good morning to all.
2013-05-13T12:25:10 < dongs> pelrun__: helps to turn on peripheral clock
2013-05-13T12:25:20 < pelrun__> that's done
2013-05-13T12:25:26 < dongs> TIM1?
2013-05-13T12:25:27 < pelrun__> think I've got it sussed though
2013-05-13T12:25:30 < pelrun__> nah, tim2
2013-05-13T12:25:33 < dongs> mkay
2013-05-13T12:25:54 < pelrun__> turned out (sysclock/frequency/100)-1 was -1 :P
2013-05-13T12:26:17 < pelrun__> gonna use a period of 1 instead of 99
2013-05-13T12:26:41 < dongs> period of 1 is............................
2013-05-13T12:26:59 < pelrun__> with a prescaler of sysclock/freq/2
2013-05-13T12:27:18 < pelrun__> since I only need fixed 50% duty cycle
2013-05-13T12:27:21 < dongs> that seems a bit odd for pwm
2013-05-13T12:27:23 < dongs> oic
2013-05-13T12:27:26 < dongs> yeah then that works
2013-05-13T12:28:24 < pelrun__> ...there's probably a much saner method of getting an arbitrary clock out of a timer pin
2013-05-13T12:28:49 < dongs> no, there isnt
2013-05-13T12:28:54 < dongs> thats pretty reasonable
2013-05-13T12:29:15 < pelrun__> unfortunately 8MHz/225KHz is 35 >:(
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2013-05-13T13:05:13 < dongs> whoa, neat
2013-05-13T13:05:22 < dongs> so i was checking my sinesc of doom
2013-05-13T13:05:27 < dongs> and im doing all the shit w/TIM1
2013-05-13T13:05:36 < dongs> and TIM1_CH1/2 are muxed with usart pins
2013-05-13T13:05:45 < dongs> of course, i knew that, BUT
2013-05-13T13:05:57 < dongs> what I didnt know is enabling USART1 *clock* also makes it control RX pin
2013-05-13T13:06:01 < dongs> even though its set as AF_PP
2013-05-13T13:06:02 < dongs> (f1)
2013-05-13T13:14:10 < jpa-> AF_PP?
2013-05-13T13:14:51 < jpa-> but yeah, on F1 all AF's go together and it depends on internal priorities which takes over if multiple are enabled on same pin
2013-05-13T13:28:22 < karlp> f1 is dead to me, f1 hit the wtc, l100 is cheaper than f100, l100 ftw!
2013-05-13T13:28:39 < jpa-> l1 <3<3
2013-05-13T13:28:45 < karlp> ;)
2013-05-13T13:29:26 < karlp> 3.46 vs 4.79 for singles of L100RB vs F100RB (RB is the only l100 on digikey at the moment)
2013-05-13T13:30:12 < dongs> jpa-: none were enabled
2013-05-13T13:30:28 < dongs> karlp: um, F103CB is like < $2
2013-05-13T13:30:51 < dongs> the only reason I'd touch L1/F0 is if they were like $.50 or something
2013-05-13T13:31:01 < karlp> from your sources, sure :)
2013-05-13T13:31:02 < dongs> and I actually made enough for cost of that to matter.
2013-05-13T13:31:08 < dongs> waveshare, dude.
2013-05-13T13:31:28 < karlp> anyway, where did the digikey "show me the unit price if I buy X pieces" thing go?
2013-05-13T13:31:40 < karlp> it's showing me things with minimum order of 1000s again
2013-05-13T13:32:25 < talsit> does 15000 clock cycles in an interrupt handler sound too much to you guys?
2013-05-13T13:32:50 < jpa-> depends on interrupt frequency
2013-05-13T13:32:57 < dongs> jpa-: I had TIM1 clock enabled, all GPIOs set as AF_PP , for TIM1. OCInit was done for CH1-3 + _N channels. The only thing different is I had USART1 clock enabled. Nothing else. I did not remap USART1 or do USART1_Cmd or anything. Just clock. and it was pulling USART1_RX pin preventing TIM1_CH2 from blogging it.
2013-05-13T13:33:08 < jpa-> there is no law against spending all your time in interrupts, with interrupt nesting it is perfectly reasonable
2013-05-13T13:33:11 < dongs> well luckily cortex interrupts are nested so
2013-05-13T13:33:12 < talsit> jpa-: 2-4KHz
2013-05-13T13:33:13 < dongs> yeah
2013-05-13T13:34:08 < jpa-> talsit: so you are going to spend more than 50% of time in interrupt handler? sure, go ahead, but remember that in your main code
2013-05-13T13:34:28 < jpa-> dongs: yeah, i think the pins get enabled as soon as peripheral clock is on
2013-05-13T13:34:46 < zyp> talsit, this is very application dependant
2013-05-13T13:34:51 < talsit> jpa-: how do you get 50%?
2013-05-13T13:35:05 < talsit> i'll rewrite this shizzle
2013-05-13T13:35:13 < dongs> jpa, sure, but its already set to AF (TIM1)
2013-05-13T13:35:14 < zyp> just don't use interrupts like Laurenceb and you'll probably be fine
2013-05-13T13:35:19 < dongs> im sure zyp knows
2013-05-13T13:35:25 < jpa-> talsit: just a guess based on not knowing your cpu clock frequency
2013-05-13T13:35:30 < talsit> zyp: i don't i'll ever do things like Laurenceb does
2013-05-13T13:35:34 < talsit> 168MHz
2013-05-13T13:35:37 < zyp> good :)
2013-05-13T13:35:49 < talsit> i missed a "think" in there
2013-05-13T13:35:53 < zyp> talsit, is your main code supposed to do anything?
2013-05-13T13:36:02 < talsit> zyp: yeah, kinda, it will
2013-05-13T13:36:36 < karlp> f103cb is 3.20 at wvshare in singles.
2013-05-13T13:36:43 < talsit> i've got an implementation of linear timecode parsing that's kinda silly at the moment, so i wanted to see if i could get away with it
2013-05-13T13:36:55 < dongs> https://youtube.com/watch?v=bfNayX1Ulwg lookie, its spinning
2013-05-13T13:37:42 < karlp> heh, wvshare cart has "price unknown, please wait for our reply after order has been submitted"
2013-05-13T13:37:46 < karlp> right....
2013-05-13T13:37:59 < dongs> karlp: what part?
2013-05-13T13:38:08 < dongs> there's 2 links you can click
2013-05-13T13:38:11 < karlp> f100cb.
2013-05-13T13:38:17 < dongs> whoa wtf their wesite shcanged
2013-05-13T13:38:32 < karlp> yeah, no prices on the product pages
2013-05-13T13:38:38 < karlp> have to add to cart, then view cart
2013-05-13T13:40:11 < dongs> right
2013-05-13T13:40:19 < dongs> some stuff has prices
2013-05-13T13:40:26 < dongs> but yeah just shat them up on skype or email or wa htever
2013-05-13T13:40:29 < dongs> for best dealz
2013-05-13T13:41:36 < Laurenceb> whatz up with my interrupts?
2013-05-13T13:41:41 < Laurenceb> u mad
2013-05-13T13:45:52 < zyp> weren't you running some kalman shit in interrupt handlers?
2013-05-13T13:46:36 < dongs> heh
2013-05-13T13:46:43 < dongs> he was running shit, thats for sure
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2013-05-13T13:47:00 < Laurenceb> yeah, so?
2013-05-13T13:47:12 < Laurenceb> it ran
2013-05-13T13:47:19 < Laurenceb> nesting ftw
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2013-05-13T15:42:15 < jpa-> BrainDamage: i found the driver datasheet by google :P
2013-05-13T15:42:23 < jpa-> BrainDamage: but it was still a lot of guesswork
2013-05-13T15:42:55 < jpa-> BrainDamage: can you send me your logic dumps? i'm still having trouble in making the image stay on the screen, it slowly "leaks" away
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2013-05-13T15:44:07 < jpa-> hmph
2013-05-13T15:44:38 < Laurenceb> http://www.holmea.demon.co.uk/GPS/Main.htm
2013-05-13T15:45:40 < Tectu> oh, he finished it
2013-05-13T15:46:04 < Tectu> I remember the home made PCB of him, very impressive
2013-05-13T15:46:50 < Laurenceb> yeah
2013-05-13T15:47:01 < Laurenceb> based off  Matjaž Vidmar
2013-05-13T15:47:10 < Laurenceb> nicee
2013-05-13T15:47:14 < Laurenceb> he has codez
2013-05-13T15:47:30 < Tectu> he's a nice man
2013-05-13T15:47:36 < Tectu> I should ask him out for dinner
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2013-05-13T16:12:04 < bairdy> Certain to violate ITAR and the like..
2013-05-13T16:12:16 < Laurenceb> hehe
2013-05-13T16:12:34 < Laurenceb> im wondering if the rpi arm11 could handle it
2013-05-13T16:13:54 < bairdy> CAn't find any mention of the speed/velocity limits..
2013-05-13T16:15:03 < jpa-> BrainDamage: can you send me your logic dumps? i'm still having trouble in making the image stay on the screen, it slowly "leaks" away
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2013-05-13T16:16:09 < bairdy> lol FORTH on it, too.
2013-05-13T16:16:30 < Laurenceb> there is a simpler way
2013-05-13T16:16:36 < Laurenceb> rom dump from a ublox
2013-05-13T16:16:58 < Laurenceb> maybe possible on the multi chip module ones?
2013-05-13T16:17:25 < Laurenceb> actually on all of them, if you could haxor the firmware update
2013-05-13T16:17:37 < Laurenceb> then search for the limits
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2013-05-13T16:21:22 < gxti> niiiiiiiiice
2013-05-13T16:22:53 < gxti> the annoying thing about ITAR is that the law says "over X meters *and* over X m/s" but most manufs are pussies and implement one OR the other :[
2013-05-13T16:23:02 < Laurenceb> not ublox
2013-05-13T16:23:17 < Laurenceb> in fact ublox breaks itar
2013-05-13T16:23:19 < gxti> then no need to hack unless ur makin missles
2013-05-13T16:23:26 < Laurenceb> but thats ok as its swiss
2013-05-13T16:23:45 < Laurenceb> but it still has some limits
2013-05-13T16:24:10 < Laurenceb> not sure to what extent the ublox velocity limit is due to the hardware - might be it cant copy with very high doppler
2013-05-13T16:24:24 < gxti> yeah it's probably just not designed to cope with high speed
2013-05-13T16:24:56 < Laurenceb> id try sticking one of the maxim or skyworks front ends onto the rpi spi
2013-05-13T16:25:02 < Laurenceb> i think you can dma off it
2013-05-13T16:25:24 < Laurenceb> arm11 at ~700mhz might be able to do it in software
2013-05-13T16:25:34 < Laurenceb> it has some dsp instructions
2013-05-13T16:25:57 < gxti> do they do any correlating or just A/D?
2013-05-13T16:26:12 < Laurenceb> just A/D into spi interface
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2013-05-13T16:27:03 < gxti> i really like that homebrew one, would be nice if it wasn't 1-bit though
2013-05-13T16:27:16 < gxti> poor jamming resistance from what i understand
2013-05-13T16:27:25 < Laurenceb> it doesnt make much difference in reality
2013-05-13T16:27:47 < dongs> bairdy: your shit is finally in the mail. weekend and various fails delayed it.
2013-05-13T16:28:08 < gxti> i don't really have much skill for this type of shit but someday i'll probably take a crack at it
2013-05-13T16:28:39 < gxti> i have a digilent atlys that needs to do something useful, maybe i'll grab one of those frontends and see if i can do anything fun
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2013-05-13T16:42:56 < Laurenceb> http://www.holmea.demon.co.uk/Profiler/Install.htm
2013-05-13T16:42:57 < Laurenceb> lol
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2013-05-13T16:43:36 < gxti> no comment
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2013-05-13T17:45:29 < Laurenceb> attn dongs
2013-05-13T17:45:30 < Laurenceb> http://i1.trekearth.com/photos/98825/kozy_800.jpg
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2013-05-13T18:06:48 < karlp> what's ITAR?
2013-05-13T18:07:03 < karlp> ahh, arms regs
2013-05-13T18:07:21 < karlp> maybe they can stop counting gps as a weapon the same way they gave up on encryption
2013-05-13T18:09:40 < Laurenceb> http://i.imgur.com/JbUcRTY.jpg
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2013-05-13T18:10:15 < karlp> is that your pokey arm?
2013-05-13T18:10:22 < Laurenceb> yes
2013-05-13T18:10:31 < Laurenceb> ive made it a bit neater
2013-05-13T18:12:00 < Laurenceb> also newer f4discovery improves it a lot
2013-05-13T18:12:09 < Laurenceb> revision Z ADC is nicer
2013-05-13T18:18:01 < karlp> really? what changed?
2013-05-13T18:18:16 < Laurenceb> i guess silicon layout
2013-05-13T18:21:17 < karlp> is it an errata change, or you're just seeing better perf yourself?
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2013-05-13T18:22:15 < Laurenceb> iirc there is an app note on this
2013-05-13T18:22:26 < Laurenceb> i see considerably better performance
2013-05-13T18:23:24 < gxti> karlp: they didn't give up on encryption entirely though
2013-05-13T18:23:32 < gxti> it's still a big deal for big companies
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2013-05-13T18:24:23 < karlp> gxti: what do you mean? I thought they completely dropped it?
2013-05-13T18:24:32 < gxti> for example, my company cannot (or refuses to) sell any version of their products containing any encryption to russia or france (yeah, france...)
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2013-05-13T18:25:22 < Laurenceb> cheese eating surrender monkeys
2013-05-13T18:25:24 < gxti> it looks like that might not be an ITAR thing though
2013-05-13T18:25:47 < Laurenceb> garlic stinking scum
2013-05-13T18:29:44 < PaulFertser> Laurenceb: (ublox dump) http://iki.fi/lindi/git/ubx.git/ has some ready-made utility to dump the firmware, plus allows to switch the firmware to provide raw RTK.
2013-05-13T18:32:16 < Laurenceb> holy shit
2013-05-13T18:32:26 < Laurenceb> i thought i was being a bit silly there
2013-05-13T18:33:11 < Laurenceb> hmm raw
2013-05-13T18:33:41 < Laurenceb> ill have to read through, looks very interesting
2013-05-13T18:33:55 < PaulFertser> http://lindi.iki.fi/lindi/finhack/finhack2010-rtklib-lindfors.pdf
2013-05-13T18:34:05 < Laurenceb> oh cool, documentation
2013-05-13T18:34:42 < Laurenceb> but its antaris 4  :(
2013-05-13T18:35:28 < PaulFertser> Well, it performs reasonably well and is still available. And probably something like that is possible with newer chips too.
2013-05-13T18:36:12 < Laurenceb> yeah, id like to see it with ublox5/6
2013-05-13T18:36:19 < Laurenceb> ublox4 was rather power hungry
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2013-05-13T18:39:10 < qyx_> Laurenceb: lol your link, "koza" means goat
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2013-05-13T18:39:35 < Laurenceb> goats sea
2013-05-13T18:39:42 < PaulFertser> What's funny is that now ublox produces modules based on MTK chips and they seem to be really cool and all. And probably capable of providing RTK too. I'd expect someone with right chinese connections (or at least language knowledge) would be able to get some docs for the mtk chips.
2013-05-13T18:40:02 < Laurenceb> really?
2013-05-13T18:40:08 < Laurenceb> first i heard of this
2013-05-13T18:40:15 < Laurenceb> you means ublox6?!
2013-05-13T18:40:29 < PaulFertser> http://www.u-blox.com/en/download/documents-a-resources/fastrax-gpsgnss-modules.html
2013-05-13T18:40:43 < Laurenceb> oh lol
2013-05-13T18:40:46 < Laurenceb> yeah
2013-05-13T18:41:09 < Laurenceb> theres ublox7 now
2013-05-13T18:41:18 < Laurenceb> but imo ublox5 is good enough
2013-05-13T18:41:20 < dongs> GNSS more like GNAA
2013-05-13T18:41:51 < dongs> lawl
2013-05-13T18:41:56 < dongs> jewblox website completely borked
2013-05-13T18:42:00 < dongs> in narrow browser window
2013-05-13T18:42:09 < dongs> why the fuck would I ever have a browser > 1024x768
2013-05-13T18:42:10 < Laurenceb>  <trolling>
2013-05-13T18:42:12 < dongs> nope
2013-05-13T18:42:22 < dongs> its fucked, and they dont evne bother putting a horizontal scrollbar
2013-05-13T18:42:29 < qyx_> what?
2013-05-13T18:42:35 < Laurenceb> im going to have to try some of this...
2013-05-13T18:42:41 < qyx_> horizontal scrollbar is like '90
2013-05-13T18:42:56 < qyx_> nowadays everyone have at least 1024px wide browser
2013-05-13T18:43:06 < dongs> i have exactly 1024 and its NOT WORKING THERE
2013-05-13T18:43:19 < Laurenceb> but i already bricked my antaris4  :(
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2013-05-13T19:42:28 <+Steffanx> karlp did you download the zipped microxplorer?
2013-05-13T19:42:58 <+Steffanx> nah, nevermind. I'll leave it where it is
2013-05-13T19:43:14 < karlp> yeah man I got it.
2013-05-13T19:43:19 < karlp> it's abit weird
2013-05-13T19:43:41 < karlp> works ok, but the ui is all busted, you can expand dialogs off the screen and they're not resizable or something
2013-05-13T19:43:48 < karlp> will play a bit more with it later.
2013-05-13T19:45:21 <+Steffanx> expand dialogs off screen?
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2013-05-13T19:46:20 <+Steffanx> oh you mean http://share.naffets.nl/a-20130513-184611.jpg ? yeah :P
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2013-05-13T19:48:07 <+Steffanx> Heh, i wondered why my movie was suddenly playing with 5fps .. it was the microxplorer app :)
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2013-05-13T19:54:09 < karlp> yeah, you can push that battery info and info things all open, and they dissappear off the bottom
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2013-05-13T20:10:20 < inca> Steffanx: JAVA ftw!
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2013-05-13T20:11:46 <+Steffanx> Yeah, of course inca
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2013-05-13T21:02:46 < inca> woo! my chinese marsboard just arrive!
2013-05-13T21:03:48 <+Steffanx> lol
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2013-05-13T21:12:42 < inca> it powers up, it must work
2013-05-13T21:12:58  * inca goes back to semihosting port to chibios
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2013-05-13T22:29:51 < Aegis_> woof.  mah tooling is almost ready
2013-05-13T22:30:19 < Aegis_> I can read and write to flash on the mcu
2013-05-13T22:30:20 < Aegis_> :)
2013-05-13T22:30:36  * Aegis_ does a happy dance.
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2013-05-13T22:50:18 < Aegis_> I guess I need to get my compiler and linker going.
2013-05-13T22:51:09 < PaulFertser> Aegis_: i've just self-compiled "gcc arm embedded" from launchpad with their semi-stupid script and that was it.
2013-05-13T22:51:30 < Aegis_> is it working for you ?
2013-05-13T22:51:35 < PaulFertser> Aegis_: oh yes
2013-05-13T22:52:14 < PaulFertser> Aegis_: on a co-workers windows computer i've just untarred their binary distro file and it worked as well.
2013-05-13T22:54:24 < Aegis_> oh excellent
2013-05-13T22:55:49 < PaulFertser> Aegis_: libopencm3 includes everything needed for a new project (startup, linker scripts) but if you need ST's library, you can grab startup+system+ldscript from their TrueStudio templates.
2013-05-13T22:56:13 < PaulFertser> At least that's what I do. I hope others will correct me if i'm wrong here.
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2013-05-13T22:57:11 < Aegis_> I would probably want to use ST's libs and drivers starting out
2013-05-13T22:57:24 < Aegis_> it seems right to me
2013-05-13T22:59:01 < karlp> PaulFertser: that's what I do too, but I only bother recompling gdb to get python support
2013-05-13T22:59:03 < PaulFertser> ST's library depresses me, it feels like a decent example of a rather wrong approach (in many different regards) to writing (and maintaining) a SoC support library.
2013-05-13T22:59:10 < Laurenceb_> karlp: so i decided on a name for my project
2013-05-13T22:59:16 < Laurenceb_> the "steve irwin"
2013-05-13T22:59:36 < Aegis_> heh
2013-05-13T22:59:43 < karlp> because it will appear cool an dbe very profitable, then will have  sudden catastrophic freak failure?
2013-05-13T22:59:59 < Laurenceb_> because it prods things then moves away quickly
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2013-05-13T23:00:47 < Laurenceb_> in less than 20ms when its working correctly
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2013-05-14T00:16:32 < inca> interesting… newlib: 73.6 MB on disk, newlib-nano: 73.4 MB on disk
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2013-05-14T00:25:30 < johntramp> hi,  i have a simple 'blinky' type app using chibios which works fine until I try attach the st-util debugger, where it gets locked up in an _unhandled_exception()
2013-05-14T00:25:59 < johntramp> any ideas why this may be?
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2013-05-14T00:27:26 < johntramp> should I use openocd instead?
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2013-05-14T01:36:29 < zippe1> http://www.hackthings.com/how-to-price-your-hardware-product/
2013-05-14T01:36:39 < zippe1> Finally, someone writes something sensible about pricing hardware.
2013-05-14T01:39:42 < Simon--> so $199?
2013-05-14T01:43:30 < timemob> Clicking
2013-05-14T01:44:01 < timemob> Simon, you think variable resistance jog wheel is doable with ESC?
2013-05-14T01:44:15 < timemob> Not saying you should :p
2013-05-14T01:44:23 < gnomad> author forgot to mention that adding the word "arduino" to your product will allow you to sell it for a lot more, and sell more units at the same time.
2013-05-14T01:45:10 < Simon--> yah, no problem, though likely patented
2013-05-14T01:45:16 < timemob> Or works with iPad
2013-05-14T01:45:45 < timemob> Most likely
2013-05-14T01:45:55 < timemob> You've seen what I'm talking about right?
2013-05-14T01:46:11 < Simon--> yeah, like magnetic jog wheel thing?
2013-05-14T01:46:22 < Simon--> I have a 1992 corolla, so not exactly ;)
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2013-05-14T01:47:02 < Simon--> like gimbal drive with no changing output gives a clunky feel
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2013-05-14T01:47:25 < Simon--> basically beeping gives similar effect. if you beep and keep beeping out of audible range, there you go..
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2013-05-14T01:47:57 < Simon--> kbrb have to patent my awesome invention
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2013-05-14T01:48:52 < timemob> Dunno where else it's used but on BMW it's like, free spinning jog that has little soft clicks as you scroll through menus. As you hit end or start of menu it gets harder to turn. This way you can also control it blind spin until resist then count number of clicks
2013-05-14T01:49:16 < Simon--> anyway, while beeping, you can apply pwm-aligned sensing and see if the magnetic alignment passes between poles..
2013-05-14T01:49:34 < Simon--> ok
2013-05-14T01:49:52 < Simon--> probably would kind of be nice ot have a screen at the same time though
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2013-05-14T02:36:19 < zippe1> timemob: there's a bunch of ways to do it, but the easiest is just to cross-load the phases.
2013-05-14T02:36:43 < zippe1> timemob: harder but more sophisticated is to only resist in one direction.
2013-05-14T02:37:04 < timemob> Oh hm right
2013-05-14T02:38:03 < timemob> I forgot that resistance would need to be into one direction and free spin in other
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2013-05-14T03:01:02 < bairdy> wut: http://encyclopedia.kids.net.au/page/ru/Russ_Meyer
2013-05-14T03:09:35 < timemob> Why are you reading that
2013-05-14T03:09:42 < timemob> Is a better question
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2013-05-14T03:21:46 < gnomad> faster pussycat, kill kill!!
2013-05-14T03:24:53 < gnomad> oh... wait...  this is a *kids* encyclopedia?
2013-05-14T03:25:27 < timemob> Isn't it just awikipedo mirror
2013-05-14T03:26:10 < gnomad> wikipedo?
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2013-05-14T03:43:11 < bairdy> The article has clearly been edited down for the site... but..
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2013-05-14T05:52:38 < l4cr0ss> dongs: question
2013-05-14T05:52:41 < l4cr0ss> why do you hate gcc
2013-05-14T05:53:11 < t1memob> Free/aids
2013-05-14T05:53:26 < t1memob> Why you ask
2013-05-14T05:55:49 < l4cr0ss> consider dongs opinion worthwhile. have seen him mention his dislike more than once. about to start project, havent decided on a compiler, curious about his reasoning
2013-05-14T05:56:17 < gxti> he doesn't really have one, as far as i can tell
2013-05-14T05:56:25 < gxti> lots of unsubstantiated claims
2013-05-14T05:56:53 < t1memob> GCC makes bigger code
2013-05-14T05:56:53 < gxti> i mean if someone has already bought armcc for you you might as well give it a try, otherwise why bother?
2013-05-14T05:57:17 < t1memob> GCC libc sucks
2013-05-14T05:57:32 < t1memob> GCC has no proper working lto
2013-05-14T05:57:33 < t1memob> These are 3 main ones
2013-05-14T05:58:12 < l4cr0ss> ko
2013-05-14T05:58:14 < l4cr0ss> ok*
2013-05-14T05:58:14 < t1memob> PS I'm dongs while driving
2013-05-14T05:59:30 < t1memob> If you're porting/stealing freetard code GCC is a must
2013-05-14T06:00:13 < t1memob> If you're writing quality software then you have some better choices
2013-05-14T06:00:43 < l4cr0ss> what is your preferred compiler
2013-05-14T06:01:08 < l4cr0ss> ok
2013-05-14T06:01:11 < l4cr0ss> mistell
2013-05-14T06:02:22 < t1memob> Dunno I've been using armcc back when I was doing brew Dev and that shit has only gotten better
2013-05-14T06:02:42 < t1memob> Had IAR on some project wasn't impressed
2013-05-14T06:04:05 < l4cr0ss> ok
2013-05-14T06:04:43 < t1memob> 03] <t1memob> Other shit is too obscure
2013-05-14T06:04:44 < t1memob> [12:03] <t1memob> Like tasking etc
2013-05-14T06:04:44 < t1memob> [12:03] <t1memob> I figure arm guys know what they're doing
2013-05-14T06:05:17 < t1memob> Blogged in wrong chan lols
2013-05-14T06:06:24 < l4cr0ss> happenz
2013-05-14T06:06:26 < l4cr0ss> tks for the info
2013-05-14T06:06:52 < ds2> Irritating And Repulsive?
2013-05-14T06:08:01 < t1memob> Plus their net beans or something based ide is pure aids
2013-05-14T06:08:05 < t1memob> Feels like it's 1989
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2013-05-14T07:33:30 < dongs> sup dongs
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2013-05-14T07:48:19 < R2COM> stuff
2013-05-14T07:48:24 < R2COM> http://i.imgur.com/EkagSDd.png
2013-05-14T07:49:59 < dongs> cool  molex bro
2013-05-14T07:50:40 < R2COM> molex isnt precise model there, dont care about it as far as bounding is right
2013-05-14T07:53:40 < R2COM> most important was high speed connector precision, otherwise shit wont plug in
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2013-05-14T08:03:00 < dongs> speedy bloggin
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2013-05-14T09:12:18 < dongs> gonna ninja up a board to broken pcb for debug
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2013-05-14T11:19:10 < Robint91> YO YO YO
2013-05-14T11:19:37 <+Steffanx> lo
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2013-05-14T12:25:29 < dongs> http://i.imgur.com/GpQJOrW.jpg haxed
2013-05-14T12:29:51 < zyp> that's a lot of sekrits you have there
2013-05-14T12:31:10 < dongs> lol
2013-05-14T12:31:45 < zyp> seedboards apparently done and shipped today
2013-05-14T12:31:57 < zyp> status on stencil?
2013-05-14T12:33:32 <+Steffanx> You are boring dongs.. all this censoring
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2013-05-14T12:35:48 < dongs> zyp: maybe this week
2013-05-14T12:35:54 < dongs> dont know yet
2013-05-14T12:36:09 < dongs> almost noone gets frameless stuff
2013-05-14T12:36:15 < dongs> since they usually go to pcba w/framed shit
2013-05-14T12:37:35 < zyp> so in other words I'll likely not have stencil when pcbs arrive, unless seeed shipping is being extremely slow
2013-05-14T12:40:03 <+Steffanx> is that board on top a board you made dongs?
2013-05-14T12:41:11 -!- ntfreak_ is now known as ntfreak
2013-05-14T12:43:58 < Laurenceb> stm32 at the top
2013-05-14T12:44:10 < Laurenceb> actually no, its too thick
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2013-05-14T12:46:08 < Robint91> dongs, mhh all my stencils are frameless, but I have a fancy pneumatic tetra alpha frames
2013-05-14T12:46:22 < dongs> Robint91: all of MINE are frameless too.
2013-05-14T12:46:28 < dongs> i have a pretty nice printer for them.
2013-05-14T12:46:43 < Robint91> dongs, nice, laser?
2013-05-14T12:46:52 < dongs> no, printer as in, for using stencils
2013-05-14T12:46:59 < dongs> for applying paste.
2013-05-14T12:47:06 < Robint91> dongs, laser as in laser cut
2013-05-14T12:47:12 < Laurenceb> i have a window scraper
2013-05-14T12:47:35 < dongs> Robint91: yes, the're laser cut, but not by me
2013-05-14T12:47:37 < Robint91> dongs, oh I get it, inkjet type? or dispensing?
2013-05-14T12:47:41 < dongs> proper metal shit
2013-05-14T12:47:50 < Robint91> dongs, ah
2013-05-14T12:48:00 < Robint91> dongs, 150um or 100um
2013-05-14T12:48:18 < dongs> I usually use 0.13T
2013-05-14T12:48:25 < dongs> tried 0.15 was too thick
2013-05-14T12:48:47 < Robint91> I like 0.15 for large power stuff, large components
2013-05-14T12:48:54 < Robint91> and 0.1 for small stuff
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2013-05-14T13:05:35 < Laurenceb> baird is an author?
2013-05-14T13:05:37 < Laurenceb> http://openlibrary.org/authors/OL1386445A/Paul_Gable
2013-05-14T13:09:13 < bairdy> lolo
2013-05-14T13:12:41 < Laurenceb> http://upload.wikimedia.org/wikipedia/en/6/62/Inspire_magazine_cover.PNG
2013-05-14T13:12:43 < Laurenceb> i lolled
2013-05-14T13:12:51 < Laurenceb> also, "YOUR MUM"
2013-05-14T13:14:25 < Robint91> Laurenceb, -_-
2013-05-14T13:14:53 < Robint91> Laurenceb, I expected "ALLAH AKBAR" instead of "YOUR MUM"
2013-05-14T13:15:06 < Robint91> Laurenceb, get your sh*t straigh
2013-05-14T13:15:13 < Laurenceb> but it says your mum on the cover
2013-05-14T13:16:02 < Robint91> Laurenceb, still
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2013-05-14T13:41:36 < bairdy> Someone's remark to the Paul Gable page -- "thanks for the link, too bad i can't fucking read any of these"
2013-05-14T13:50:03 < Laurenceb> http://uk.rs-online.com/web/p/thermal-imaging-cameras/0563144/
2013-05-14T13:50:04 < Laurenceb> omfg
2013-05-14T13:50:47 < dongs> jizz
2013-05-14T13:50:56 < dongs> wat
2013-05-14T13:50:57 < dongs> trash rez
2013-05-14T13:50:59 < dongs> for that price
2013-05-14T13:51:03 < Laurenceb> yeah
2013-05-14T13:52:01 < trepidaciousMBR> Anyone seen weird behaviour with STM32F4 ADCs, where the injected conversion register has a reading out of scale? I'm reading values over 16000, from a 12 bit ADC?
2013-05-14T13:52:04 < dongs> 120hz, is that for real
2013-05-14T13:52:50 < trepidaciousMBR> This only happens sometimes - when I change some stack usage in an unrelated bit of code, which made me think it was buffer overruns or something similar, but even if I print the ADC values straight from the registers I see the same odd values
2013-05-14T13:52:51 < Laurenceb> its pretty cheap
2013-05-14T13:52:52 < dongs> zyp, http://i.imgur.com/O1qokrH.png does that look legit
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2013-05-14T13:57:01 < Laurenceb> <SpeedEvil> I know of some unused ones if you want them.
2013-05-14T13:57:09 < Laurenceb> <SpeedEvil> http://en.wikipedia.org/wiki/Herschel_Space_Observatory
2013-05-14T14:00:55 < trepidaciousMBR> Anyone used the ADC for injected conversions at all? I think I'm doing the right thing, but the odd results worries me ;)
2013-05-14T14:01:45 < Laurenceb> i might have seen this with F1
2013-05-14T14:02:11 < Laurenceb> i was getting weird results for the first conversion
2013-05-14T14:02:19 < Laurenceb> had to "flush" the adc
2013-05-14T14:02:46 < Robint91> trepidaciousMBR, why do you want to do injected at all?
2013-05-14T14:03:04 < Robint91> trepidaciousMBR, sequantial sampling + DMA?
2013-05-14T14:03:38 < trepidaciousMBR> I can't use DMA because of conflict with DCMI, so it lets me get 4 conversions from one "start"
2013-05-14T14:03:48 < trepidaciousMBR> Then I just read from registers
2013-05-14T14:03:54 < zyp> dongs, looks like shitty bitbanged master
2013-05-14T14:03:57 < zyp> and slave is not acking
2013-05-14T14:05:22 < dongs> yeah i had address wrong
2013-05-14T14:05:53 < dongs> ya master is most definitely shitty
2013-05-14T14:05:59 < dongs> i think its some evatronix 8051
2013-05-14T14:06:00 < karlp> heh, atollic enews in plain text is just the unsubscribe info, in web view shows the whole news.
2013-05-14T14:06:21 < trepidaciousMBR> Robint91: It's definitely not the best way to read ADCs, I'd much rather use the ChibiOS driver and DMA, but that kills the DMA controller :(
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2013-05-14T14:06:45 < karlp> whee, atollic offers to do code reviews for you
2013-05-14T14:06:45 < dongs> "kills"?
2013-05-14T14:07:29 < trepidaciousMBR> Readings look like 8 times the real expected value...
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2013-05-14T14:13:11 < trepidaciousMBR> Ah well, time for lunch, thanks.
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2013-05-14T14:35:49 < dongs> zyp: muchb better http://i.imgur.com/5kfmbgY.png
2013-05-14T14:36:05 < dongs> what is  that garbage @ 1C read
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2013-05-14T14:49:21 < Laurenceb> http://cdn.memegenerator.net/instances/250x250/19205484.jpg
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2013-05-14T14:57:41 < zyp> uh
2013-05-14T14:57:47 < zyp> what's the master here?
2013-05-14T14:57:57 < Tectu|busy> Laurenceb, do you have time for me? (seriously)
2013-05-14T14:58:08 < Tectu|busy> Laurenceb, I search something which might be of the medicinal stuff
2013-05-14T14:59:11 < zyp> I mean slave
2013-05-14T14:59:21 < zyp> no, master.
2013-05-14T15:00:02 < zyp> looks like the master is driving sda in push-pull when it's outputting, and then switches to input when slave should reply ack
2013-05-14T15:00:21 < zyp> and slave is faster than master, so it starts outputting low while slave is still outputting high
2013-05-14T15:00:31 < zyp> thus you get the middle garbage for a while
2013-05-14T15:01:23 < zyp> you'll likely see the same every time the master is outputting a byte with the lowest bit set to 1
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2013-05-14T15:16:04 < dongs> fucking shitnode is back to failing and sucking dick
2013-05-14T15:16:05 < dongs> what a surprise
2013-05-14T15:16:11 < dongs> must be anniversary of lilo death
2013-05-14T15:17:19 < Laurenceb> lilo?
2013-05-14T15:17:43 < Robint91> lilo and stitch ?
2013-05-14T15:17:58 < Laurenceb> dido
2013-05-14T15:18:15 < Robint91> Laurenceb, http://www.youtube.com/watch?v=j-fWDrZSiZs relevant
2013-05-14T15:19:56 < dongs> uh, you dont know lilo??
2013-05-14T15:20:12 < dongs> http://www.gnaa.eu/wiki/pr/2006-09-16-gnaa-lilo
2013-05-14T15:20:16 < dongs> well, if that shitty site was up..
2013-05-14T15:20:43 < dongs> https://encyclopediadramatica.se/Robert_Levin
2013-05-14T15:21:09 < Robint91> GNAA -> Gay nigger association of America
2013-05-14T15:21:20 < Robint91> .eu
2013-05-14T15:21:22 < Robint91> -_-
2013-05-14T15:21:49 < dongs> old news
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2013-05-14T15:31:52 < dongs> http://lists.grok.org.uk/pipermail/full-disclosure/2006-June/060353.html
2013-05-14T15:31:54 < dongs> haha
2013-05-14T15:34:54 < Laurenceb> cant see it
2013-05-14T15:35:06 < karlp> the internet never forgets: http://www.derkeiler.com/Mailing-Lists/Full-Disclosure/2006-06/msg00842.html
2013-05-14T15:35:47 < trepidaciousMBR> Laurenceb: This seems to happen for all 4 injected readings in a scan, I'll see if there is anything I can flush though, thanks
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2013-05-14T15:54:54 < Laurenceb> http://diydrones.com/profiles/blogs/my-new-gimbal
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2013-05-14T17:33:25 < jpa-> BrainDamage: are you present?
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2013-05-14T17:44:12 < gxti> is there any reason to prefer f3disco or f4disco over the other?
2013-05-14T17:44:21 < gxti> recommending one for a friend, i have f4disco and it's fine
2013-05-14T17:46:03 -!- zyp_ is now known as zyp
2013-05-14T17:46:22 < zyp> yes, there are a bunch of reasons to prefer either, depending on what you want to do
2013-05-14T17:47:24 < zyp> apart from the capabilities of the chip itself, F4 has a microphone and an audio DAC, so it's nice if you want to play with audio stuff
2013-05-14T17:48:02 < zyp> while F3 has a full set of IMU sensors including accelerometer, gyro and magnetometer, so it's nice if you want to play with that stuff
2013-05-14T17:48:21 < zyp> F4 also supports USB OTG
2013-05-14T17:48:36 < zyp> and then you have the fact that the F4 is more than twice as fast as the F3
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2013-05-14T17:50:44 < gxti> and "a bit" more RAM
2013-05-14T17:52:28 < zyp> two or three times as much, depending on how you count
2013-05-14T17:52:46 < zyp> F3 has 64k, F4 has 128k plus 64k of CCM
2013-05-14T18:00:57 < dongs> F3 has CCM too
2013-05-14T18:01:05 < dongs> with execute capability
2013-05-14T18:01:36 < zyp> F30x or F37x?
2013-05-14T18:01:44 < dongs> pretty sure both
2013-05-14T18:02:03 < zyp> ah, no F30x only
2013-05-14T18:02:06 < dongs> 8 Kbytes of SRAM on instruction bus with
2013-05-14T18:02:07 < dongs> HW parity check (CCM)
2013-05-14T18:02:09 < zyp> according to my notes
2013-05-14T18:02:31 < zyp> but yeah, that's what's on the F3 discovery
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2013-05-14T18:12:23 < Rickta59> is the flash on the f3
2013-05-14T18:12:30 < Rickta59> discovery wait stated?
2013-05-14T18:13:55 < zyp> yes
2013-05-14T18:14:14 < Rickta59> and the F4 no right?
2013-05-14T18:15:17 < Laurenceb> yes
2013-05-14T18:15:22 < Laurenceb> it has wait states
2013-05-14T18:15:31 < Laurenceb> but it also has ART
2013-05-14T18:15:36 < zyp> the F4 flash is 128-bit wide and fills a cache, so most of the time the CPU should be able to just execute from the cache without wait states
2013-05-14T18:15:51 < zyp> (that's the ART)
2013-05-14T18:17:10 < zyp> so in other words, under ideal conditions F4 will execute at full speed without wait state on flash reads
2013-05-14T18:17:32 < zyp> in reality cache misses will bring that number down a bit
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2013-05-14T18:18:39 < Laurenceb> but it has branch speculate
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2013-05-14T18:19:09 < Laurenceb> well.. on >revision A silicon
2013-05-14T18:19:35 < Rickta59> STM32F303VCT6 does that chip (the one in the F3 Discovery) have ART ? I didn't see it
2013-05-14T18:19:39 < Laurenceb> i could single step through and see a branch getting missed on revision A
2013-05-14T18:19:53 < Laurenceb> no theres no ART
2013-05-14T18:20:01 < Laurenceb> its the same flash as F1 aiui
2013-05-14T18:20:36 < zyp> only F2 and F4 has ART
2013-05-14T18:21:39 < zyp> as far as I'm aware there are three groups of flashes used in stm32; the wide ones with ART, the normal ones in the rest of the F-series and the low power ones used in the L-series
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2013-05-14T18:30:27 < gxti> for some reason every time someone mentions ART this is all i can think of: http://www.penny-arcade.com/comic/2007/08/22
2013-05-14T18:31:15 < inca> does anyone else use cscope?
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2013-05-14T18:34:51 < karlp> not recently, used to use it a lot.
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2013-05-14T18:35:08 < karlp> now I work on projects that are a touch smaller, and I use netbeans instead of multiple vi windows.
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2013-05-14T18:37:36 < Robint91> cscope?
2013-05-14T18:38:01 < karlp> it's a code navigation tool.
2013-05-14T18:38:02 -!- Claude is now known as claude
2013-05-14T18:38:18 < karlp> you let it build an index, and then you search for things and it can open editors for you.
2013-05-14T18:38:28 < karlp> similar to "tags"
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2013-05-14T18:48:50 < Rickta59> hadn't heard that program mentioned in 20+ years
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2013-05-14T18:59:57 < bairdy> Ha, same here. (I think someone in Sydney wrote it?) .. I always abused the outline-mode in Emacs
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2013-05-14T19:16:44 < trepidaciousMBR> This ADC thing is really weird, just randomly getting a read about 8x higher than it should be, like a 3 bit shift
2013-05-14T19:17:04 < trepidaciousMBR> E.g. 2048 reads as 16384, which seems unlikely from a 12 bit ADC
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2013-05-14T19:23:10 < zyp> you probably have it left-aligned
2013-05-14T19:23:40 < zyp> though, that should be a 4bit shift
2013-05-14T19:28:24 < jpa-> in injected group on F4, left alignment is 3bit shift
2013-05-14T19:29:16 < jpa-> (because injected channels have this funny subtraction feature, so it is a signed number)
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2013-05-14T19:35:13 < inca> karlp: netbeans for C dev?
2013-05-14T19:36:31 < karlp> indeed.
2013-05-14T19:36:47 < karlp> I don't do any java in this job.
2013-05-14T19:37:22 < inca> embedded C dev?
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2013-05-14T19:37:53 < karlp> yes.
2013-05-14T19:38:05 < karlp> stm32/avr/userspace linux
2013-05-14T19:38:20 < inca> I thought I looked at that, but for some reason I couldn't remember anything about it. https://blogs.oracle.com/geertjan/entry/netbeans_for_embedded_microcontroller_development
2013-05-14T19:38:22 < inca> fancy that
2013-05-14T19:38:57 < karlp> pretty microchip's main reason for doing it was, "can't use the same thing as atmel is using"
2013-05-14T19:39:11 < inca> What?! I had no idea that MPLAB was a netbeans app!
2013-05-14T19:39:18 < Robint91> mplab x is
2013-05-14T19:39:24 < inca> oh right
2013-05-14T19:39:43 < inca> I <3 old school mplab
2013-05-14T19:39:50 < inca> it always just /worked/
2013-05-14T19:39:54 < karlp> weirdo blogger, picture of the other persons blog.
2013-05-14T19:40:01 < inca> heh
2013-05-14T19:40:01 < Robint91> I HATE PIC MICROCONTROLLERS
2013-05-14T19:40:16 < inca> Robint91: 8, 16, or 32 bit?
2013-05-14T19:40:19 < inca> what series?
2013-05-14T19:40:24 < Robint91> inca, ALL OF THEM
2013-05-14T19:40:31 < inca> Robint91: you aren't old enough
2013-05-14T19:40:50 < Robint91> PIC16, bankswitching ftw
2013-05-14T19:41:00 < Robint91> PIC18, what?
2013-05-14T19:41:23 < Robint91> dsPIC, PIC24, PICxx, DMA what? how do this one works?
2013-05-14T19:41:29 < Robint91> PIC32, ARM wannebe
2013-05-14T19:42:02 < inca> PIC <32 is just fine
2013-05-14T19:42:02 < karlp> man, that avr proposal for netbeans sounds totally ridiculous
2013-05-14T19:43:09 < inca> karlp: which is that?
2013-05-14T19:45:22 < karlp> the one linked to in that blog post you pasted...
2013-05-14T19:46:04 < inca> oh, sorry, I mixed up the words in my head. It's not a bad idea
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2013-05-14T19:46:42 < karlp> depends wha tyou think is lacking from the current environment.
2013-05-14T19:47:03 < karlp> I'm not really sure I need to explicitly add avrdude support and a tty window into netbeans though.
2013-05-14T19:47:19 < karlp> I'd like better configurability of the way the gdb connection is made.
2013-05-14T19:48:28 < inca> as in like OpenOCD's pipe vs tcp/ip configurability or like the gdb scripting or the gdb comms layer (miiX stuff)
2013-05-14T19:49:38 < karlp> currently it's _only_ a host/port.
2013-05-14T19:49:53 < karlp> I'd like to possibly run a prescript to help with flashing it first.
2013-05-14T19:50:30 < karlp> but I generally like it.
2013-05-14T19:50:38 < inca> gdb -ex '' should do, or openocd's -c program (if you can get it to work)
2013-05-14T19:50:54 < karlp> yes, it would, but it doesn't do that.
2013-05-14T19:51:05 < karlp> it provides you with a text box to enter the host and port of the gdbserver.
2013-05-14T19:51:16 < karlp> and that's it.
2013-05-14T19:51:33 < inca> so for bmp and others like it, socat
2013-05-14T19:51:36 < karlp> were you using cscope and had a problem, or thinking of starting to use cscope btw?
2013-05-14T19:51:55 < karlp> no, for bmp and the others, /dev/ttyxxxx and blank in the port.
2013-05-14T19:52:04 < karlp> it's just concatenated and passed to gdb extended-remote
2013-05-14T19:52:25 < inca> karlp: I finally dug in and learned the gap in vi knowledge to become dangerous enough to use cscope productively
2013-05-14T19:52:57 < inca> I used to use the default doxygen to generate my own hyperlinked code-base for learning… but that doesn't work with ChibiOS/RT's code
2013-05-14T19:53:10 < inca> so I learned cscope this morning
2013-05-14T19:53:16 < inca> it's awesome
2013-05-14T19:53:20 < karlp> cscope is pretty neat, I will say that.
2013-05-14T19:53:22 < inca> http://cscope.sourceforge.net/cscope_vim_tutorial.html
2013-05-14T19:53:26 < inca> it's fast
2013-05-14T19:53:31 < karlp> but you've _realllly_ got to learn vi/emacs and be into it.
2013-05-14T19:53:38 < karlp> well, it's designed for absurdly large codebases
2013-05-14T19:53:55 < inca> nah… basic vi knowledge plus this tutorial will get anyone 90% there
2013-05-14T19:54:21 < karlp> like, that cscope -R thing?
2013-05-14T19:54:23 < inca> seriously, I only hacked with vi here and there… no serious usage, this plus syntax coloring has me sold
2013-05-14T19:54:29 < karlp> that will take _minutes_ on sizeable codebases
2013-05-14T19:54:44 < karlp> we used to have the build machiens generate the cscope db files for us, so we could all share them.
2013-05-14T19:54:46 < inca> more like mapping vim commands
2013-05-14T19:54:53 < inca> ^_ s
2013-05-14T19:55:07 < inca> CTRL-\ s for search
2013-05-14T19:55:27 < inca> CTRL-space s search in new horiz window
2013-05-14T19:55:55 < inca> and with Mac OS X, option click will bring the cursor to where you click
2013-05-14T19:56:05 < inca> SIMBL pluggin maps mouse wheel
2013-05-14T19:56:19 < inca> it's been a fun morning getting all this set up for once =)
2013-05-14T19:57:07 < inca> step 2 of the vim cscope tutorial: download and install this vimrc file: http://cscope.sourceforge.net/cscope_maps.vim
2013-05-14T19:57:40 < karlp> yeah hey, we can read the tutorial link ourselves :)
2013-05-14T19:58:02 < inca> karlp: I am insecure… I have doubts about click-through ;)
2013-05-14T19:58:24 < karlp> doesn't matter. repeating it here line by line won't help.
2013-05-14T19:58:43 < inca> for the lazy
2013-05-14T19:58:44 < karlp> so, by the time you're finished, you've got ctrl-clicking for code links.  in vim.
2013-05-14T19:58:53 < karlp> it's almost like you just had an ide that did it all for you out of the box :)
2013-05-14T19:59:07 < inca> doxygen does not handle chibios's use of macros
2013-05-14T19:59:24 < inca> heh… Xcode has not been as fast as cscope
2013-05-14T19:59:49 < inca> because cscope is fast, I tend to learn more tidbits while researching before implementation
2013-05-14T19:59:59 < Rickta59> did you used to work for AT&T karlp ?
2013-05-14T20:00:08 < karlp> Rickta59: no, cisco
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2013-05-14T20:01:13 < karlp> why,m do only old at&t folk use cscope?
2013-05-14T20:01:23 < Rickta59> that is where it was written
2013-05-14T20:01:29 < Rickta59> used it in the 80s
2013-05-14T20:01:32 < karlp> been bsd since 2000 at least,
2013-05-14T20:01:45 < karlp> and was on lots of proprietary unices before that
2013-05-14T20:01:50 < Rickta59> on a 3b2
2013-05-14T20:02:37 < Rickta59> http://cscope.sourceforge.net/history.html
2013-05-14T20:03:09 < inca> Rickta59: where did you use it?
2013-05-14T20:03:24 < Rickta59> when i worked at AT&T orlando mid 80s
2013-05-14T20:03:41 < inca> what'd you work on?
2013-05-14T20:03:57 < Rickta59> a business trouble tracking system and a bunch of other stuff
2013-05-14T20:04:29 < Rickta59> ported a pl/1 mainframe app over to unix and 3bs when at&t thought they were going to be a computer company
2013-05-14T20:04:48 < inca> what do you think about Atlassian?
2013-05-14T20:05:17 < Rickta59> I've never heard of  it
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2013-05-14T20:05:54 < gxti> does anybody in USA use USPS with digikey? thinking about using it instead of UPS
2013-05-14T20:06:31 < gxti> costs less and it would be in a parcel locker at my condo instead of sitting on my front porch
2013-05-14T20:06:48 < gxti> although i pity the fool that steals a digikey box, can't do shit with it
2013-05-14T20:06:54 < inca> they are an Aussie software company whose core product is JIRA (a bug tracker) and Confluence (wiki). They are building a nice platform and their tracker automates the first step of trouble tracking.
2013-05-14T20:07:05 < inca> gxti: yes, it works fine for me in the Midwest.
2013-05-14T20:07:13 < zyp> inca, I'm using that at work
2013-05-14T20:07:29 < gxti> also i wonder if i can tell DK to not bother putting solder paste in a cold bag
2013-05-14T20:07:31 < inca> Ordered late Weds, arrived Friday with the normal mail.
2013-05-14T20:07:33 < gxti> shit's silly
2013-05-14T20:07:59 < inca> zyp: has it been integrated well into your workflow? there is some skill in the setup
2013-05-14T20:08:17 < zyp> sure
2013-05-14T20:08:20 < gxti> JIRA is fantastic but learning how to set up workflows takes a while
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2013-05-14T20:11:37  * karlp loves jira and confluence
2013-05-14T20:11:59 < karlp> gets a touch expensive for the hosted version if you get over 10 people though
2013-05-14T20:12:16 < karlp> we're not using any of the build tools or anything though
2013-05-14T20:12:22 < karlp> they own bitbucket too now iirc
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2013-05-14T20:15:19 < inca> they use so much ram
2013-05-14T20:15:35 < zyp> they are java applications after all
2013-05-14T20:15:35 < inca> but I do love the Atlassian stuff. they seem to "get it"
2013-05-14T20:15:56 < karlp> yeah, we just use the hosted versions now.
2013-05-14T20:16:28 < zyp> we have it running on our own servers
2013-05-14T20:20:37 < gxti> and it's good software, nice touches like it has popup type windows when you click on something but if you middle click it still opens correctly in a new tab, not this "omg javascript is da best" bullshit so many sites have now
2013-05-14T20:21:31 < gxti> i haven't made much use of confluence, not as much of a clear advantage there
2013-05-14T20:21:42 < gxti> and switched from bamboo to jenkins years ago
2013-05-14T20:22:13 < inca> karlp: they bought SourceTree as well. I've been using it with bitbucket and github very well now. it's leveled up my command-line-git-foo
2013-05-14T20:22:42 < inca> gxti: confluence is great as a standalone wiki… with text editing which "just works"
2013-05-14T20:33:35 < gxti> ok, apparently can't ship flux pens by USPS
2013-05-14T20:35:32 < Aegis_> I get flux pens by usps all the time
2013-05-14T20:35:49 < gxti> well apparently *this* one has the magic flag where they call me and say they can't
2013-05-14T20:36:04 < Aegis_> oh not type "R" flux then
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2013-05-14T21:25:28 < SilverHornet9> I'm trying to read/write any DMA registers. No matter what I do, they all show as 0x00000000. Anybody got a suggestion?
2013-05-14T21:28:04 < SilverHornet9> In the for what it's worth column: the processor is STM32F207 and I'm using openocd to examine the memory mapped I/O
2013-05-14T21:29:38 < SilverHornet9> mdw 0x40026000 8
2013-05-14T21:29:56 < SilverHornet9> gives: 0x40026000: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
2013-05-14T21:43:08 < karlp> turn the clock on
2013-05-14T21:46:04 < SilverHornet9> Any specific clock? I'm currently using the HSE running at 16Mhz
2013-05-14T21:47:42 < zyp> the peripheral clock for the dma controller you are attempting to use.
2013-05-14T21:48:07 < zyp> all peripherals are clock gated and have to be turned on before you can use them
2013-05-14T21:48:30 < SilverHornet9> Boy do I feel stupid. Thanks
2013-05-14T21:48:56 < zyp> it's ok, everybody tends to forget them now and then
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2013-05-14T21:55:14 < jpa-> SilverHornet9: soon enough you will find that any time you see 0's, you'll think "clock enable!"
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2013-05-14T22:12:57 < SilverHornet9> Well that did it. He says as if there was any doubt. Thanks again.
2013-05-14T22:14:30 < zyp> I'll ask here too; http://bin.jvnv.net/f/rxP4z.JPG <- does anybody happen to know what kind of connector this is?
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2013-05-14T22:21:19 < karlp> interesting, but no. does that click in place, then screw the sleeve down?
2013-05-14T22:21:43 < gxti> the thread appears to be for bulkhead mount, not part of the connection
2013-05-14T22:21:46 < zyp> I don't know, I didn't find any mating connectors
2013-05-14T22:21:53 < gxti> since it's flat on the sides
2013-05-14T22:21:59 < zyp> gxti, yes, that's what I also suspect
2013-05-14T22:25:37 < gxti> zyp: http://www.telegaertner.com/en/karl-gaertner/coax/artikel/qls.php
2013-05-14T22:26:53 < zyp> ah
2013-05-14T22:26:56 < karlp> zyp: is it this one? http://en.wikipedia.org/wiki/FME_connector
2013-05-14T22:27:01 < karlp> nvm, solved then :)
2013-05-14T22:27:11 < zyp> no, it's smaller than FME
2013-05-14T22:27:20 < zyp> I grabbed some FME cables as well
2013-05-14T22:27:22 < zyp> :p
2013-05-14T22:27:30 < gxti> i started on wikipedia too but they don't have pictures of the weird ones
2013-05-14T22:32:32 < qyx_> http://www.directindustry.com/prod/teledyne-dgoa-brien/coaxial-connectors-58086-559450.html
2013-05-14T22:32:35 < qyx_> something similar?
2013-05-14T22:32:43 < qyx_> but it is not exactly identical
2013-05-14T22:32:58 < zyp> http://en.wikipedia.org/wiki/QMA_and_QN_connector <- if not QLS, it's probably QMA
2013-05-14T22:33:16 < zyp> «Common applications for the QMA and QN connectors include cellular base stations, antennas, and various defense applications. Since an industry standard for quick-locking SMA and N connectors has yet to be established, varying designs are currently being manufactured.»
2013-05-14T22:34:00 < Robint91> is it so difficult to use N connectors
2013-05-14T22:34:24 < zyp> I found them while helping cleaning out the old ST-Ericsson premises, so it probably came from the gsm test network
2013-05-14T22:34:47 < Robint91> zyp, got some nice stuff?
2013-05-14T22:35:08 -!- daku is now known as DaKu
2013-05-14T22:35:15 < zyp> just grabbed a bunch of cables
2013-05-14T22:35:52 < zyp> my company has already grabbed all the nice stuff :p
2013-05-14T22:36:22 < Robint91> zyp, nice, measuring equipment?
2013-05-14T22:37:21 < zyp> I think we got the MSO4054 among other stuff
2013-05-14T22:37:46 < zyp> at least I think it was an MSO4054
2013-05-14T22:38:31 < Robint91> nice
2013-05-14T22:39:42 < zyp> ah, we also got some ellisys usb analyzers
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2013-05-14T23:10:17 < Laurenceb_> http://hackaday.com/2013/05/14/retrotechtacular-first-laser-transmitter-built-50-years-ago/#comments
2013-05-14T23:10:21 < Laurenceb_> ^hipster glasses
2013-05-14T23:15:13 < Tectu> wait... they already had hipster glasses 50 years ago?
2013-05-14T23:17:25 < Laurenceb_> looks like it
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2013-05-14T23:17:44 < Laurenceb_> infinite fashion loop
2013-05-14T23:18:31 < Laurenceb_> whats your mouse thing for?
2013-05-14T23:27:19 < Tectu> kill them
2013-05-14T23:29:01 < Laurenceb_> as i thought, to troll peta
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2013-05-14T23:31:22 < Aegis_> I think the horn-rim glasses never really went out of style
2013-05-14T23:35:33  * Laurenceb_ has a pdf about his stm projects
2013-05-14T23:35:35 < Laurenceb_> http://filebin.ca/h6ospDeL5jd
2013-05-14T23:36:11 < Tectu> Laurenceb_: not trolling anyone
2013-05-14T23:36:16 < Tectu> well, maybe the mouse at some point
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2013-05-14T23:40:41 <+Steffanx> blaxter ratio --
2013-05-14T23:41:12 <+Steffanx> Is that a presentation mr Laurenceb_ ?
2013-05-14T23:41:18 <+Steffanx> Waaaay too much text if so
2013-05-14T23:41:23 < Laurenceb_> lol
2013-05-14T23:42:26 <+Steffanx> or is it a read-only presentation?
2013-05-14T23:43:26 < Laurenceb_> its intended as both
2013-05-14T23:58:25 < Tectu> Laurenceb_: to answer your question: mouse thing measures a lot of shit like blood flow, temperature, pressure and shit
2013-05-14T23:58:43 < Tectu> then they kill it
--- Day changed Wed May 15 2013
2013-05-15T00:01:34 < Laurenceb_> heh
2013-05-15T00:01:45 < Laurenceb_> what kind of sensors?
2013-05-15T00:01:51 < Laurenceb_> mems pressure snesors?
2013-05-15T00:02:03 < Tectu> probably, that part I don't do
2013-05-15T00:02:06 < Tectu> I just kill it
2013-05-15T00:02:28 < Tectu> I am not really involved into the project at all
2013-05-15T00:02:46 < Tectu> they just asked me if I have any idea because of the potting and I thought I'll ask you since you're our medicinal guy here
2013-05-15T00:03:18 < Tectu> I'll keep you up to date, I'm leaving now, cu
2013-05-15T00:09:03 < Laurenceb_> bye
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2013-05-15T03:30:14 < SilverHornet9> What can cause a TEIF error when using DMA to send characters to usart3?
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2013-05-15T04:35:57 < dongs> sup bloggers
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2013-05-15T04:36:22 <+Steffanx> Tha skyy bro
2013-05-15T04:37:23 < dongs> bloggin on blogs
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2013-05-15T04:43:57 <+Steffanx> which one of the 3000 and 1 blogs you own dongs?
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2013-05-15T04:48:45 < dongs> <blog>  my pal picking up xeon E3-1275V2 for me
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2013-05-15T06:38:46 < dongs> got my hakko888, made in malaysia and shit, I hope its legit
2013-05-15T06:38:53 < dongs> quality seems to be better than your avg aoyue tho
2013-05-15T06:43:49 < R2COM> isnt it japanese designed one
2013-05-15T06:44:04 < dongs> well, its made in malaysia which seems kinda dodgy
2013-05-15T06:44:10 < dongs> hopefully its legit ;d
2013-05-15T06:44:20 < R2COM> come on malaysia is #1 technological country
2013-05-15T06:44:24 < dongs> pFft.
2013-05-15T06:44:33 < dongs> what are you smoking
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2013-05-15T09:12:12 < jpa-> hmm.. i'll put thread stacks into CCM and heap into normal RAM; should be quite a good compromise
2013-05-15T09:14:35 < dongs> yes
2013-05-15T09:14:49 < dongs> thats what I did for one of my shits
2013-05-15T09:15:10 < dongs> cause you cant DMA to/from CCM so you can't put any useful shit there
2013-05-15T09:16:02 < jpa-> indeed
2013-05-15T09:16:29 < jpa-> at first i tried to do a separate heap for dma stuff.. but with stuff like file buffers or DMA for serial it kind of falls apart
2013-05-15T09:16:38 < jpa-> i would have to allocate every freaking string there
2013-05-15T09:17:25 < jpa-> (though i also implement a fallback so that if any DMA-capable function gets a CCM-pointer, it'll just while-loop it's way through)
2013-05-15T09:19:34 < dongs> duno how much dynamic allocation you need to do, but you can simply keep data you want to dma in structs/wahtever and just stick those into non-ccm section by attributes.
2013-05-15T09:19:41 < dongs> i dont s ee why you'd ever need to check
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2013-05-15T10:34:46 < jpa-> dongs: well i'm having a highly complex program, so when example i'm writing something to a device, the buffer used may have come from anywhere; and if someone (another programmer in this company ;) would be silly enough to allocate a buffer on stack, i'd rather that it work slower than not work at all
2013-05-15T10:35:28 < dongs> ah ok
2013-05-15T10:37:40 < jpa-> actually i do that myself also.. if i want to send 5 bytes, it's not that much a trouble even if it can't use dma
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2013-05-15T12:38:18 < Wipster> good afternoon all, is it possible to program a micro and populate some NOR flash at the same time? Im trying to work out the best way to store a wifi chip firmware
2013-05-15T12:42:37 < jpa-> populate? you mean program?
2013-05-15T12:42:55 < jpa-> depending on to what the nor flash is connected
2013-05-15T12:43:03 < jpa-> you could write a program that programs the NOR flash
2013-05-15T12:47:12 < Wipster> jpa-, I do mean program yes. Is it not possible to do it from jtag?, I've not used it other then to program the micro before...
2013-05-15T12:48:16 < jpa-> sure, you can program through JTAG a program to program the NOR 
2013-05-15T12:48:24 < jpa-> you can just write it to the RAM of the controller and run it
2013-05-15T12:48:38 < jpa-> but bitbanging the IO pins through JTAG directly would be quite slow
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2013-05-15T12:53:36 < Wipster> jpa-, ahhh that sounds interesting but the wifi firmware is larger then ram I think. I think your bootloader idea is probably the better way to go.
2013-05-15T12:55:19 < jpa-> i'm not sure about jtag, but atleast through SWD the microcontroller itself is programmed by a flash loader loaded into RAM.. it then takes a block of data from RAM, programs it into flash and repeats
2013-05-15T12:55:45 < Laurenceb__> we have this problem at work with xscale
2013-05-15T12:55:54 < Laurenceb__> iirc theres a bootloader for the nor flash
2013-05-15T12:56:15 < Laurenceb__> but we use mcgregor jtag gui thingy on win xp
2013-05-15T12:57:48 < Laurenceb__> bbl
2013-05-15T12:59:00 < Wipster> hmmm
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2013-05-15T14:34:46 < Laurenceb> zlog
2013-05-15T14:34:46 < zlog> Laurenceb: Log stored at http://tom-itx.dyndns.org:81/~tom-itx/irc/logs/%23%23stm32/2013-05-15.html
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2013-05-15T15:21:18 < Laurenceb> asshi-net
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2013-05-15T15:55:09  * HTT-Bird kicks dongs' ISP in their dongs
2013-05-15T15:56:41 <+Steffanx> No it's freenode
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2013-05-15T16:08:12 < karlp> no, he just claims it's freenode :)
2013-05-15T16:09:52 <+Steffanx> Yes, but what dongs says it's true, so it's freenode. :)
2013-05-15T16:09:58 <+Steffanx> -*is
2013-05-15T16:10:20 < Laurenceb> !is
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2013-05-15T16:15:54 < karlp> Laurenceb: your pdf was craptastical!
2013-05-15T16:16:03 < karlp> you made it from your ppt preso or something
2013-05-15T16:16:11 < karlp> so all the slides had the previous text plus a little bit more on them!
2013-05-15T16:16:13 < karlp> terrrrrible!
2013-05-15T16:16:21 < Laurenceb> F5 it
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2013-05-15T16:16:30 < karlp> sif
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2013-05-15T17:03:32 <+Steffanx> That is fancy karlp
2013-05-15T17:03:44 <+Steffanx> Teachers/professors/lectures do that all the time
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2013-05-15T17:19:00 < karlp> it's ok in the ppt, but in the pdf of the slides.
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2013-05-15T17:21:34 <+Steffanx> i dont see what's wrong :)
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2013-05-15T17:30:11 < Laurenceb> http://www2.b3ta.com/host/creative/93104/1368611701/LargeCarPipe.jpg
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2013-05-15T17:51:18 < Laurenceb> you know noone takes work seriously when you are the only person in the building for an entire day
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2013-05-15T18:48:14 < zyp> ew, this monitor I bought has horrible viewing angles
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2013-05-15T19:30:29 < Laurenceb> rage
2013-05-15T19:30:48  * Laurenceb needs to lurn to read
2013-05-15T19:30:54 < Laurenceb> http://octave.sourceforge.net/signal/function/butter.html
2013-05-15T19:31:03 < Laurenceb> i missed out the pi... several hours later
2013-05-15T19:31:13 < emeb> butterworth fingers?
2013-05-15T19:32:00 < emeb> first rule of signal processing: if everything seems off by a factor of about 3, you dropped the pi somewhere.
2013-05-15T19:32:58 < Laurenceb> yeah
2013-05-15T19:33:28  * Laurenceb is still trying to solve the irregular sampling windows problem
2013-05-15T19:33:34 < Laurenceb> CLEAN is too slow
2013-05-15T19:33:37 < emeb> fun fun
2013-05-15T19:33:42 < Laurenceb> lomb-scargle is scrap
2013-05-15T19:33:47 < Laurenceb> -s
2013-05-15T19:33:58 < emeb> bomb-gargle
2013-05-15T19:34:29 < Laurenceb> http://en.wikipedia.org/wiki/Least-squares_spectral_analysis#The_Lomb.E2.80.93Scargle_periodogram
2013-05-15T19:34:43 < Laurenceb> artefacts everywhere
2013-05-15T19:35:47 < karlp> emeb: second rule: if it just doesn't seem right at all, you're not in radians?
2013-05-15T19:36:32 < emeb> karlp: yep.
2013-05-15T19:36:44 < emeb> 3rd rule: you sure that's not an alias?
2013-05-15T19:42:11 < karlp> so, saltstack or puppet or something else altogether?
2013-05-15T19:43:03 < Laurenceb> huh?
2013-05-15T19:44:18 < Laurenceb> are those periodogram algorithms?
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2013-05-15T19:50:15 < Laurenceb> bbl
2013-05-15T19:50:37 < emeb> neither. cvs. :P
2013-05-15T19:56:15 < karlp> you jest.  thou art of inhumourous temper. off with your head
2013-05-15T20:03:59 < R2COM> *i forgot to include pi in my code, and I rage* lol...
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2013-05-15T20:05:49 < Robint91> hi all
2013-05-15T20:11:00 <+Steffanx> All just left
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2013-05-15T22:39:53 < Jenev> has anyone ever tried using the ST-LINK_CLI application that comes with the st link utility as a debugger?
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2013-05-15T22:41:09 < jpa-> i hope not
2013-05-15T22:41:30 < Jenev> it supports commands like -Halt -Step -SetBR -ClrBP and CoreReg
2013-05-15T22:42:09 < Jenev> TBH I've never really used gdb on the command line so I don't really know what kind of commands it uses
2013-05-15T22:42:32 < Jenev> I'm thinking I could use this utility or maybe OpenOCD
2013-05-15T22:42:48 < zyp> use for what?
2013-05-15T22:43:01 < Jenev> zyp, debugging
2013-05-15T22:43:10 < Jenev> jpa-, why do you say that?
2013-05-15T22:43:15 < zyp> it's hardly useful for debugging if it can't even load your symbol table
2013-05-15T22:43:28 < zyp> and that's why jpa- is saying that.
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2013-05-15T22:44:37 < jpa-> Jenev: there are so much better ones
2013-05-15T22:44:40 < jpa-> for example, openocd
2013-05-15T22:45:18 < zyp> you know, the functions you listed is just what gdb expects a backend to provide
2013-05-15T22:46:59 < Jenev> jpa-, yeah openocd is one of my considerations
2013-05-15T22:47:20 < Jenev> zyp, so then you're saying it's possible?
2013-05-15T22:47:59 < jpa-> but why would you want to?
2013-05-15T22:48:04 < zyp> no, I'm saying that I agree with jpa- that it's useless unless you want to waste your time doing the debugger's job yourself
2013-05-15T22:48:31 < Jenev> oh ok
2013-05-15T22:48:46 < zyp> let me take an example; say you want to know the value of a variable that's stored in memory
2013-05-15T22:49:33 < Jenev> I see your point
2013-05-15T22:49:57 < Jenev> the only option i see that can be even remotely uselful is -r8
2013-05-15T22:50:05 < zyp> do you want to read the linker map to find the address of the variable, then read a memory hex dump to find that addr, then interpret convert some hex bytes to whatever format you want it in in your head, or do you just want to tell your debugger to print variable foo in your preferred format?
2013-05-15T22:50:06 < Jenev> that can prnts the value of an address
2013-05-15T22:50:21 < Jenev> but anyway i think i'll go with openocd since it's more popular
2013-05-15T22:50:30 < Jenev> there seems to be more support for it to
2013-05-15T22:50:45 < Jenev> but does it integrate well with an IDE?
2013-05-15T22:51:10 < zyp> openocd by itself is equally useless, it's value is in being a backend for a real debugger
2013-05-15T22:51:35 < Jenev> hmm
2013-05-15T22:51:36 < zyp> that debugger may be plain gdb or whatever your IDE provides
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2013-05-15T22:51:49 < zyp> I'm not familiar with IDEs, so I can't comment on that
2013-05-15T22:52:17 < Jenev> I always though openocd was in fact the debugger :3
2013-05-15T22:52:43 < zyp> no, it's middleware sitting between the debugger and the jtag hardware
2013-05-15T22:53:23 < Jenev> well then with that being said...that meas I can use the ST-LINK_CLI is a backend
2013-05-15T22:53:55 < zyp> only if you have any frontends that supports talking to it
2013-05-15T22:54:09 < Jenev> yeah, my IDE has gdb
2013-05-15T22:54:16 < zyp> openocd talks gdbserver protocol
2013-05-15T22:54:24 < zyp> does st-link_cli talk gdbserver protocol?
2013-05-15T22:54:57 < Jenev> good question I assume it does...
2013-05-15T22:55:27 < Jenev> based on the commands I listed above does it look that way?
2013-05-15T22:56:07 < Robint91> pff silly DSPs
2013-05-15T22:56:12 < jpa-> Jenev: i don't think it does
2013-05-15T22:56:38 < Jenev> jpa-, oh ok
2013-05-15T22:57:14 < Jenev> well then I'll get OpenOCD
2013-05-15T22:57:57 < Jenev> of course my curiousity will still compel to try the ST-LINK_CLI utility :p
2013-05-15T23:02:00 < Aegis_> the linux st-link does connect to gdb
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2013-05-15T23:02:34 < Aegis_> openocd works a little better I think
2013-05-15T23:02:53 < Aegis_> but st-link is a lot easier in terms of reading/writing the flash
2013-05-15T23:07:14 < Jenev> Aegis_, what do you mean work better?
2013-05-15T23:12:26 < karlp> zyp: well, oocd can be the debugger.  there's gpio bit twiddling implementations for jtag in it.
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2013-05-15T23:14:11 < zyp> karlp, I didn't say it couldn't
2013-05-15T23:14:33 < zyp> I just said that it's not very useful when it can't load a symbol table
2013-05-15T23:14:59 < zyp> but if you insist on not needing that, I'm not gonna stop you :p
2013-05-15T23:15:03 < karlp> what?
2013-05-15T23:15:20 < karlp> I was just saying that openocd can be the debugger itself.
2013-05-15T23:15:38 < karlp> oh, nvm, I think I have a terminoligy problem.
2013-05-15T23:16:05 < karlp> oocd can include the "jtag hardware" itself is what I really meant.
2013-05-15T23:16:34 < karlp> I agree with all of you, trying to use the stlink_cli.exe thing is a futile exercise in pain
2013-05-15T23:22:07 < Jenev> Why does it sound like someone threatened kralp?
2013-05-15T23:22:07 < Jenev> lol
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2013-05-15T23:26:41 < Laurenceb__> karlp: yo
2013-05-15T23:26:52 < Laurenceb__> do you know about periodograms?
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2013-05-15T23:27:03 < Laurenceb__> zlog
2013-05-15T23:27:03 < zlog> Laurenceb__: Log stored at http://tom-itx.dyndns.org:81/~tom-itx/irc/logs/%23%23stm32/2013-05-15.html
2013-05-15T23:28:21 < Laurenceb__> oh hes trolling
2013-05-15T23:28:23 < Laurenceb__> nvm
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--- Day changed Thu May 16 2013
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2013-05-16T00:15:56 < karlp> whee, blocking handler. haven't ahd that for months and months and months
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2013-05-16T00:23:06 < inca> karlp: I'm afraid to ask… what's that?
2013-05-16T00:23:11 < inca> oh wait
2013-05-16T00:23:18 < inca> more like, how is that
2013-05-16T00:31:04 < zyp> it's the default interrupt/exception handler
2013-05-16T00:31:09 < zyp> usually seen in case of hardfault
2013-05-16T00:32:36 < karlp> unaligned access. awesome. never see that one before.
2013-05-16T00:32:49 < inca> big/little endian issue?
2013-05-16T00:33:20 < karlp> not sure. this is working code on the l1 that i'm trying to target on the f1.
2013-05-16T00:33:26 < karlp> must have screwd up something weird.
2013-05-16T00:33:57 < zyp> doesn't cortex-m handle unaligned accesses just fine?
2013-05-16T00:34:05 < zyp> maybe it's on a peripheral bus where it's not allowed?
2013-05-16T00:39:03 < karlp> I'm reading 0xe000ed28: 0x01000000 with gdb, that's the whole cfsr right?
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2013-05-16T00:40:14 < zyp> yes
2013-05-16T00:41:33 < zyp> Unaligned LDM, STM, LDRD, and STRD instructions always fault irrespective of the setting of UNALIGN_TRP.
2013-05-16T00:41:36 < zyp> probably one of those
2013-05-16T00:43:04 < karlp> yeah, that bit is zero, so it must be one of those.
2013-05-16T00:43:28 < karlp> still, wouldn't that be a compiler bug from c code?
2013-05-16T00:44:21 < karlp> http://www.spuriogram.info/2009/08/cortex-m3-fault-exception-on-memcpy.html seems to complain that this is a gcc ism too
2013-05-16T00:44:41 < zyp> it may be, or you may be invoking undefined behavior
2013-05-16T00:45:29 < karlp> should I be able to find out the address from some of these droppings?
2013-05-16T00:45:47 < zyp> MMAR?
2013-05-16T00:46:23 < zyp> hmm, nah
2013-05-16T00:46:30 < zyp> it's not a memmanage fault
2013-05-16T00:46:45 < karlp> nah, mmfsr valid bit isn't set
2013-05-16T00:46:49 < karlp> yeah, what you said :)
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2013-05-16T00:48:03 < zyp> what about backtrace?
2013-05-16T00:49:08 < karlp> i can see what it was in before the signal handdler, but it's run taht code before.
2013-05-16T00:49:19 < karlp> hmm, I can look at the objdump for that method, see if it uses any of the ones it can't
2013-05-16T00:50:07 < zyp> it's not just about the code, it's about what pointers are passed to it
2013-05-16T00:50:51 < zyp> you can have perfectly valid functions that requires a pointer argument to be aligned, and then see it fail when you call it with an unaligned pointer
2013-05-16T00:51:10 < karlp> well, the function it was in doesn't have any of the operations at all. no ldrd, strd, ldm or stm.
2013-05-16T00:51:21 < zyp> what does it do?
2013-05-16T00:51:49 < karlp> it's something contiki-os calls every ms to check for next processes to run.
2013-05-16T00:51:59 < karlp> seems to fail when it gets an event to post.
2013-05-16T00:52:21 < karlp> oh, ldmia.w coutns as ldm doesn' tit?
2013-05-16T00:52:26 < zyp> yes
2013-05-16T00:52:35 < zyp> it's ldm increase after
2013-05-16T00:52:39 < karlp> ok, that's will be it then.
2013-05-16T00:53:38 < zyp> ldmia is like pop, except it'll operate on any register, not just sp
2013-05-16T00:53:57 < karlp> seems to fail when it gets an event to post.
2013-05-16T00:54:00 < karlp> : ldmia.w r3, {r1, r4} and r1 is unaligned (and weird: 0x393821d9) r4 is aligned: 0x20000dc4 and r3 is also unaligned: 0x29d0fb29
2013-05-16T00:54:15 < zyp> r3 is the pointer
2013-05-16T00:54:16 < karlp> ok, r3 also looks dodgy
2013-05-16T00:54:32 < zyp> check where r3 is coming from
2013-05-16T00:58:25 < karlp> I bet this is going to be __packed__ attributes to try and save memory on 8bit micros.
2013-05-16T01:00:27 < zyp> yep, and some casting so the compiler doesn't know that they are packed
2013-05-16T01:00:57 < karlp> well, I can't find any packed, but there is a struct containing only an unsigned short.
2013-05-16T01:01:54 < zyp> I had an alignment issue at work today, was a struct containing first an uint8_t with flags, then an uint8_t array for data
2013-05-16T01:02:14 < zyp> and the latter caused problems when casted to a struct and accessed
2013-05-16T01:03:39 < karlp> yup, changing the unsigned short to an unsigned int and it works.
2013-05-16T01:03:47 < karlp> _ugggggly_
2013-05-16T01:04:53 < karlp> I still reckon that's a gcc issue, I should probably try rebuilding with the current g-a-e instead.
2013-05-16T01:07:43 < karlp> 2010 it was, "we hope to do this: http://communities.mentor.com/community/cs/archives/arm-gnu/msg03905.html
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2013-05-16T01:10:49 < karlp> but yeah, some people claim this is "undefined behaviour"
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2013-05-16T02:11:01 < johntramp> hi
2013-05-16T02:11:33 < johntramp> i am using chibios on an f4 and am only able to get one of the i2c busses working
2013-05-16T02:12:16 < johntramp> has anyone else come across this?
2013-05-16T02:13:37 <+Steffanx> Most of the chibios guys here are probably asleep
2013-05-16T02:14:04 < johntramp> ah, slackers
2013-05-16T02:14:07 < johntramp> :)
2013-05-16T02:14:17 <+Steffanx> It's what you get for being in new zealand
2013-05-16T02:14:18 < johntramp> is it quite euro-based?
2013-05-16T02:15:25 <+Steffanx> Don't know, but i do know some here that use it from euroland
2013-05-16T02:15:26 <+Steffanx> s
2013-05-16T02:15:37 <+Steffanx> *europeland
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2013-05-16T02:22:38 < R2COM> dude you are wrong, its african channel
2013-05-16T02:23:11 < karlp> bzzt
2013-05-16T02:23:23 < karlp> rocks in the atlantic!
2013-05-16T02:23:52 <+Steffanx> Im not wrong as i didnt say it was mr R2COM :)
2013-05-16T02:28:24 < dongs> sup dongs
2013-05-16T02:31:17 <+Steffanx> Are we going to have this 'conversation' every day dongs?
2013-05-16T02:31:30 <+Steffanx> "Tha sky bro"
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2013-05-16T02:44:28 < dongs> eh
2013-05-16T02:44:35 < dongs> this part has on-chip crystal loading capacitors
2013-05-16T02:44:38 < dongs> and you can configure htem
2013-05-16T02:45:31 < dongs> UINT8 xtalCap;                   /* IN, XTAL capacity, 1 LSB = 1pF, maximum is 31pF */
2013-05-16T02:45:49 < dongs> how can they have variable(?) / configurable capacitor?
2013-05-16T02:46:05 < johntramp> https://gist.github.com/johnhowe/5588359
2013-05-16T02:46:30 < karlp> what part?
2013-05-16T02:46:37 < dongs> karlp: some RF shiz
2013-05-16T02:46:37 < johntramp> is what i have trimmed it down to,  changing line 16 between busses
2013-05-16T02:46:41 < karlp> using up lots of silicon space for it I guess
2013-05-16T02:46:45 < dongs> hmm
2013-05-16T02:48:34 < dongs> http://upload.wikimedia.org/wikipedia/commons/thumb/6/6c/Variable_Capacitor.jpg/220px-Variable_Capacitor.jpg maybe they got one of these made out of mems
2013-05-16T02:50:33 < qyx_> maybe they have 31 series capacitors and they just short some of them
2013-05-16T02:50:56 < qyx_> if they are referenced to gnd it could be quite easy
2013-05-16T02:51:25 < qyx_> 31 caps & 30 fets
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2013-05-16T03:08:32 < dongs> yea gnd, beause crystal caps
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2013-05-16T03:35:18 < emeb> neat idea. Allows trimming frequency realtime.
2013-05-16T03:37:51 < BrainDamage> I'd be curious how it handles vibrations
2013-05-16T03:37:59 < emeb> huh?
2013-05-16T03:38:03 < BrainDamage> looks like a repourposed accelerometer :p
2013-05-16T03:38:11 < BrainDamage> the mems varicap
2013-05-16T03:38:18 < gxti> that's not a thing BrainDamage
2013-05-16T03:39:22 < gxti> it's definitely fixed caps and mosfets, boring but practical :p
2013-05-16T03:40:32 < gxti> dongs: what is that, nrf?
2013-05-16T03:40:49 < gxti> i know i've seen something similar before on a radio, maybe it's common
2013-05-16T03:41:44 < emeb> switched cap filters too.
2013-05-16T03:42:10 < emeb> gxti: do you suppose you could use that to sync up a local clock osc to GPS time by dithering the xtal trim?
2013-05-16T03:43:06 < gxti> assuming it lets you change while oscillating sure
2013-05-16T03:43:21 < emeb> there's that.
2013-05-16T03:43:30 < BrainDamage> switched cap filters ... at rf?
2013-05-16T03:43:34 < gxti> oh it could also be a varactor
2013-05-16T03:43:47 < gxti> but the switched thing is probably simpler to fab
2013-05-16T03:43:50 < BrainDamage> must be a really fast clock :p
2013-05-16T03:43:51 < emeb> gxti: true. vary the bias w/ a little DAC
2013-05-16T03:43:55 < gxti> real VCXOs use a varactor
2013-05-16T03:44:12 < gxti> this is just a cheap way to trim in a cheap radio
2013-05-16T03:44:23 < emeb> BrainDamage: no - just giving SC as an example of varying capacitance on-chip.
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2013-05-16T05:31:58 < dongs> hm, wasted on new oven. F4N
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2013-05-16T06:54:11 < dongs> wtf
2013-05-16T06:54:18 < dongs> how can I do repeat start on WRITE
2013-05-16T06:56:12 < dongs> oh never midn im on drugs
2013-05-16T06:57:37 < R2COM> i2c?
2013-05-16T07:02:37 < dongs> yea
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2013-05-16T12:10:50 < zyp> dongs, status on stencil?
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2013-05-16T12:24:41 < dongs> zyp, no status
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2013-05-16T13:30:46 < Tectu> dongs, status on BMPs?
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2013-05-16T13:38:46 < dongs> Tectu: still in box
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2013-05-16T15:02:35 < dongs> god damn this i2c device is fucking garbage
2013-05-16T15:03:44 < dongs> to READ from it you have to write read address to register FB
2013-05-16T15:03:44 < dongs> then read
2013-05-16T15:03:46 < karlp> i2c <<- there's  your problem ;)
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2013-05-16T15:07:12 < sterna1> i2c was never made to work
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2013-05-16T15:10:03 < dongie> yeah fucking retarded
2013-05-16T15:10:08 < dongie> its like
2013-05-16T15:10:20 < dongie> lets ignor the standard of write + repeatstart + read
2013-05-16T15:10:23 < dongie> and instead invent some new shit
2013-05-16T15:10:43 < dongie> and then don't provide actual register/etc info, and just describe it in "API Manual"
2013-05-16T15:10:51 < dongie> which talks about their shitty middleware layer
2013-05-16T15:10:52 < UweBonnes> I have implemented a I2C bus driver for STM32 for ethernut. Tested on F3/F4 with LSM302,  Max44009 (no repeated read yet) and SHT21 (using NACK for status information).
2013-05-16T15:11:21 < dongie> UweBonnes: is the nack one where it nacks while its busy?
2013-05-16T15:11:29 < dongie> and you have to keep retrying to read it?
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2013-05-16T15:14:45 < UweBonnes> SHT21 has address 0x80/0x81. After starting measurement, a read to 0x91 is NACK'ed already with the address
2013-05-16T15:15:23 < UweBonnes> So probably a "nacks while  busy" in your speak.
2013-05-16T15:15:44 < UweBonnes> Only when measurement is ready, the read succeeds
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2013-05-16T15:23:27 < dongie> yeah sounds like some shit Laurenceb was trolling with before, some ADC
2013-05-16T15:23:31 < dongie> had similar stuff.
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2013-05-16T15:38:41 < Laurenceb> wut
2013-05-16T15:38:45  * Laurenceb tl;dr
2013-05-16T15:39:17 < Laurenceb> oh yeah - for my haxor pressure sensor
2013-05-16T15:39:21 < Laurenceb> same deal, yeah
2013-05-16T15:39:24 < UweBonnes> Laurenceb: "wut"? Work unter test. Anger(wut as a german word)?
2013-05-16T15:39:41 < Laurenceb> wut
2013-05-16T15:39:43 < Laurenceb> wut
2013-05-16T15:43:57 < Laurenceb>  == what
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2013-05-16T15:57:49 < jpa-> is there any sure way to clear CC1IF in timer status register without accidentally clearing UIF?
2013-05-16T15:57:55 < jpa-> can bitbanding accomplish this?
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2013-05-16T16:00:13 < dongie> you mean atomically?
2013-05-16T16:00:30 < dongie> so that it doesnt change between foo = reg; unmask bit; reg = foo?
2013-05-16T16:01:06 < jpa-> yeah, if i do that, UIF might get set by hardware in between and then i would accidentally clear it without handling the interrupt
2013-05-16T16:02:17 < jpa-> AFAIK bitbanding works onlyas far as the CPU is concerned, so that to the peripherals it would look like read-modify-write?
2013-05-16T16:03:11 < dongie> For writes, it converts the write to an atomic read-modify-write operation.
2013-05-16T16:03:21 < dongie> should be ok, I htink
2013-05-16T16:03:37 < dongie> http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0337h/Behcjiic.html
2013-05-16T16:03:40 < dongie> from here.
2013-05-16T16:06:10 < jpa-> i think ST's timer peripheral doesn't have any special logic for atomic read-modify-write, so it just becomes a normal read-modify-write as far as it is concerned
2013-05-16T16:07:39 < jpa-> but i guess i can work it around somehow.. like disabling the bit in DIER and clearing all the interrupt flags next time the update interrupt occurs
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2013-05-16T16:36:44 < dongie> hmpf this rf tuner chip is cool, it returns incoming signal power in dbm
2013-05-16T16:37:03 < dongie> other shit i had to make lookup tables based on known power and rfagc
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2013-05-16T17:06:31 < inca> dongie: which rf tuner chip are you on?
2013-05-16T17:07:06 < dongie> http://www.panasonic.com/business/provideo/panasonic-digital-media.asp lol wtf
2013-05-16T17:07:17 < dongie> panasuck reinvented SD card
2013-05-16T17:07:22 < dongie> and made it $300
2013-05-16T17:07:34 < dongie> inca: maxlinear stuff
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2013-05-16T17:09:19 <+Steffanx> Not really dongie ..
2013-05-16T17:09:26 <+Steffanx> @ 2.0Gbps
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2013-05-16T17:17:38 < dongie> vector table points to +1 or -1
2013-05-16T17:17:38 < dongie> addr
2013-05-16T17:18:46 < zyp> oh, sd card spec is updated
2013-05-16T17:19:01 < zyp> actually has support for differential signalling to card now
2013-05-16T17:19:27 < dongie> heh
2013-05-16T17:19:30 < dongie> zyp, halp
2013-05-16T17:19:39 < zyp> extra row of signals, like usb3
2013-05-16T17:19:49 < dongie> 0x8003145 in vectab, is code @ 44 or 46
2013-05-16T17:20:00 < zyp> 44
2013-05-16T17:20:02 < dongie> i could find out but too lazy
2013-05-16T17:20:03 < dongie> thanks
2013-05-16T17:20:17 < zyp> the 1 for thumb is added to the actual addr
2013-05-16T17:20:21 < zyp> so you subtract it
2013-05-16T17:24:30 < zyp> that panasonic card claims to be «UHS-II compliant», so it's actually an SD card of the new UHS-II spec I guess
2013-05-16T17:26:34 < dongie> ah
2013-05-16T17:26:43 < dongie> so it IS a sd card :)
2013-05-16T17:26:47 < dongie> they're just being fucktarded.
2013-05-16T17:26:53 < dongie> its not backwards compatible iguess?
2013-05-16T17:28:43 < zyp> it should be, just like usb3
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2013-05-16T18:30:44 < Laurenceb> wtf n00bs
2013-05-16T18:30:56 < Laurenceb> the silabs xtal thing is dead simple
2013-05-16T18:31:07 < Laurenceb> varicap using a diode and dac
2013-05-16T18:31:10 < Laurenceb> N00Bs
2013-05-16T18:33:23 < sterna1> well, if it works
2013-05-16T18:33:50 < gxti> all hail the great Laurenceb
2013-05-16T18:34:03 < gxti> slayer of teh n00bz0rz
2013-05-16T18:34:07 < Laurenceb> thats right bitches
2013-05-16T18:34:29 < Laurenceb> <gxti> it's definitely fixed caps and mosfets, boring but practical :p
2013-05-16T18:34:49 < Laurenceb> http://cdn.head-fi.org/5/5c/5c90a676_NOT-SURE-IF-TROLL-OR-JUST-VERY-STUPID-28n129949820776029.jpeg
2013-05-16T18:35:05 < gxti> that was in response to someone who thought it was a varicap with a motor
2013-05-16T18:35:11 < gxti> which was not a serious suggestion
2013-05-16T18:36:20 < gxti> ass.
2013-05-16T18:39:34 < dongie> Laurenceb: how do you do configurable caps in CMOS???
2013-05-16T18:39:51 < Laurenceb> DAC and PN junction
2013-05-16T18:39:56 < dongie> rusuer
2013-05-16T18:40:05 < gxti> also'
2013-05-16T18:40:07 < Laurenceb> or yes, switched caps if you want good tolerance
2013-05-16T18:40:13 < Laurenceb> depends
2013-05-16T18:40:14 < gxti> someone suggested varactor already
2013-05-16T18:40:22 < gxti> wait
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2013-05-16T18:40:25 < dongie> im wondering why they even bothered
2013-05-16T18:40:29 < dongie> and the fucknut who designed this board
2013-05-16T18:40:32 < gxti> so switched caps do work? wtf are you trolling about then
2013-05-16T18:40:34 < dongie> went ahead and put load caps on xtal anyway.
2013-05-16T18:40:47 < Laurenceb> silabs use varicap
2013-05-16T18:40:59 < Laurenceb> you wouldnt use switched caps for the xtal loading
2013-05-16T18:41:08 < Laurenceb> you might use switched caps for an ADC
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2013-05-16T18:52:27 < Laurenceb> http://www.daveakerman.com/?p=1005
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2013-05-16T19:19:25 < karlp> has anyone seen an IBUSERR?
2013-05-16T19:19:43 < karlp> can only think of power supply problems.
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2013-05-16T19:30:19 < jpa-> karlp: the Guide says: http://paste.dy.fi/YFo/plain
2013-05-16T19:30:36 < karlp> what guide is that one?
2013-05-16T19:30:52 < jpa-> teh warez guide to the arm cortex m3, of course    http://tinymicros.com/wiki/File:Definitive_Guide_To_The_ARM_Cortex_M3.pdf
2013-05-16T19:31:03 < karlp> oh, the hitex doc?
2013-05-16T19:31:25 < jpa-> nothing hitex about it AFAIK, it's just a book
2013-05-16T19:31:34 < karlp> yeah, it's not very elaborate in the ARM doc DUI0552A "cm3 devices generic user guide"
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2013-05-16T19:32:54 < karlp> ah no, that's the "insiders guide to the cortex m3" from hitex
2013-05-16T19:35:34 < karlp> the fuck, now it's givine me unaligned faults, and this is not the same code from last night.
2013-05-16T19:36:12 < karlp> this is code that works on a different board :|
2013-05-16T19:36:14 < jpa-> you trap unaligned accesses?
2013-05-16T19:36:26 < jpa-> ah, or stack unaligned, probably
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2013-05-16T19:42:41 < karlp> not sure how it would be unaligned on this one, and not on the other boards.
2013-05-16T19:45:07 < jpa-> say, that board does thing X that overflows buffer Y which overwrites the frame pointer on stack, which causes unaligned stack on return
2013-05-16T19:48:09 < karlp> I guess. this time it's given me an INVSTATE, so I guess some pointer has blown up somewhere.
2013-05-16T19:48:21 < karlp> it's early, in clock setup switching to pll
2013-05-16T19:48:40 < karlp> stepping through the code works, it gets past it, but as soon as a I release it, it hits the fault
2013-05-16T19:49:16 < jpa-> is the SP corrupted when you get to the exception?
2013-05-16T19:49:40 < jpa-> also, you can check where the stack should be and look for flash addresses - that can give a clue as to the last function called
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2013-05-16T19:50:58 < karlp> bt in gdb shows useful backtraces,
2013-05-16T19:51:45 < karlp> but if I ever break on those places, it doesn't crash.
2013-05-16T19:52:15 < jpa-> check the exact instruction where it crashes
2013-05-16T19:52:29 < jpa-> invstate should be exact
2013-05-16T19:53:18 < karlp> iyeah, but it's not always invstate, it's all sorts of things, this time it's precise accessing 0x1000xxxx, (which clearly, it can't do)
2013-05-16T19:53:31 < jpa-> what is accessing that?
2013-05-16T19:53:32 < karlp> I just can't quite see how the same code flashed on a different board doesn't ever fault
2013-05-16T19:53:49 < jpa-> you can see the faulting instruction, see where the address comes from and work you way back from there
2013-05-16T19:53:54 < jpa-> sounds like a timing bug
2013-05-16T19:54:11 < karlp> the faulting instruction does ldr r2, r3, #0.
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2013-05-16T19:54:17 < karlp> and r3 is bogus.
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2013-05-16T19:54:39 < jpa-> could it be something like "if this interrupt happens before PLL has locked, it uses uninitialized variable"
2013-05-16T19:54:51 < karlp> it's all around code trying trying to access RCC_CFGR
2013-05-16T19:54:54 < jpa-> karlp: where does r3 come from?
2013-05-16T19:55:09 < karlp> it's trying to do the switch from msi to hsi to pll from hsi
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2013-05-16T19:56:02 < jpa-> can you pastebin a bit of disassembler above that instruction?
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2013-05-16T19:57:56 < karlp> http://pastebay.net/1232328
2013-05-16T19:58:44 < karlp> it's almost like the first ldr hasn't finished yet.
2013-05-16T19:59:05 < karlp> anyway, I have to leave work early today, unexpectedly. :| will poke it more tomorrow, but thanks for the extra pointers.
2013-05-16T19:59:50 < jpa-> it could be something just jumping there
2013-05-16T19:59:53 < jpa-> from somewhere else
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2013-05-17T01:01:24 < Jenev> Alas!
2013-05-17T01:02:27 < Jenev> took me 2 days (mostly because I was playing games) to get code::blocks with the GNU ARM toolchain working
2013-05-17T01:02:44 < Jenev> using openocd as the debugger backend
2013-05-17T01:05:44 < Jenev> one thing that bothers me though
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2013-05-17T01:06:12 < Jenev> the program the setup doesn't stop at breakpoints
2013-05-17T01:06:31 < Jenev> so even if I set a breakpoint in the code, it's ignored
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2013-05-17T01:13:50 < Jenev> oh well back to gaming :)
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2013-05-17T04:19:36 < dongs> sup blogchats
2013-05-17T04:19:43 < dongs> feenode is deader than rob levin
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2013-05-17T04:23:47 < mtbg> hi
2013-05-17T04:24:48 < R2COM1> why is it dead
2013-05-17T04:24:51 < R2COM1> I am not
2013-05-17T04:26:20 < R2COM1> haha
2013-05-17T04:26:25 < mtbg> can I use DMA in stm32f4 in peripheral-to-memory mode to copy data from the peripheral to otg hs endpoint fifo?
2013-05-17T04:26:29 < R2COM1> try to play Mortal Combat with this one http://www.elecfreaks.com/store/joystick-shield-v24-p-376.html
2013-05-17T04:26:47 < mtbg> it seems something is being copied
2013-05-17T04:27:00 < mtbg> as the dma issues transfer complete interrupt
2013-05-17T04:27:38 < mtbg> and DIEPTSIZ decrements when filling the fifo
2013-05-17T04:29:04 < mtbg> but I can't receive a proper full-length usb packet on the host then, just a short packet and then NAKs (the transfer is set up for 2 maximum size packets)
2013-05-17T04:29:28 < gxti> digikey outdid themselves this time. they couldn't ship my order USPS because of the flux pen (lol?) so i told them to use ups ground, which they did, but they still sent the solder paste, and only the solder paste, by USPS
2013-05-17T04:29:46 < gxti> in a cold bag which of course isn't cold after 3 days not that i care
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2013-05-17T04:33:13 < inca> gxti: =)
2013-05-17T04:40:20 < upgrdman> gxti: i leave paste in my desk drawer. whats the deal with a cold pack?
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2013-05-17T04:41:10 < R2COM> I leave mine in fridge
2013-05-17T04:43:15 < dongs> my paste is in my 18C cold storage / server room in dry case together with other components
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2013-05-17T04:45:41 < R2COM> is there something like ATX power cable-to-2-pin 0.1" pitch female socket connectors
2013-05-17T04:45:47 < R2COM> cant find something like that
2013-05-17T04:45:49 < dongs> waut
2013-05-17T04:45:58 < dongs> wtf woud you need that for
2013-05-17T04:46:08 < dongs> are you talkin molex 4pin? or like 20-something pin atx power
2013-05-17T04:46:21 < R2COM> those 4pin stuff is molex?
2013-05-17T04:46:52 < R2COM> looks like yes
2013-05-17T04:47:42 < R2COM> http://www.ebay.com/itm/2-NEW-ATI-4-PIN-Y-SPLITTER-MOLEX-POWER-ADAPTER-CABLES-/220494038888?pt=US_Parallel_Serial_PS_2_Cables_Adapters&hash=item3356780768
2013-05-17T04:48:14 < dongs> ohh
2013-05-17T04:48:16 < R2COM> I am planning some stuff now, basically lots of small boards, each will have power input socket
2013-05-17T04:48:17 < dongs> floppy cable thing?
2013-05-17T04:48:32 < R2COM> and I am figuring out what would be cheap and compact way for power connector solution for them
2013-05-17T04:48:53 < R2COM> I will use my PC ATX PSU for all that shit
2013-05-17T04:49:07 < dongs> might be hard to source those connectors though
2013-05-17T04:49:10 < R2COM> however, I dont want to use footprint of that huge 4-pin connector
2013-05-17T04:49:19 < dongs> because noone uses floppies anymore
2013-05-17T04:49:25 < dongs> im sure china will make those for you if you want
2013-05-17T04:50:01 < R2COM> most of the time I use something like this for example: http://www.elecfreaks.com/store/2-pin-ff-jumper-wire-200mm-5pcs-p-262.html?zenid=31dcpb052p8lkgid096knck597
2013-05-17T04:50:29 < R2COM> it needs small footprint, with 0.1" pitch, and can easily provide 500mA current
2013-05-17T04:50:42 < dongs> why not use: USB miniB
2013-05-17T04:50:53 < R2COM> usbMini B just to provide power?
2013-05-17T04:50:56 < dongs> sure
2013-05-17T04:51:19 < R2COM> isnt it ugly
2013-05-17T04:52:02 < R2COM> also, cable I showed before costs like 50cents
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2013-05-17T04:55:02 < gxti> R2COM: http://www.digikey.com/product-detail/en/640456-2/A1921-ND/109003
2013-05-17T04:55:17 < gxti> 100 mil pitch, lots of manufacturers have that style
2013-05-17T04:55:23 < gxti> polarized
2013-05-17T04:55:34 < gxti> same type that computer fans use
2013-05-17T04:55:35 < R2COM> i wasnt talking about sockets, sure sockets not problem
2013-05-17T04:55:44 < R2COM> I was thinking of cables
2013-05-17T04:55:53 < gxti> i crimp my own but you shouldn't have much trouble finding that style of cable
2013-05-17T04:55:54 < R2COM> for that socket for example
2013-05-17T04:56:01 < gxti> especially the 3 pin ones for fans
2013-05-17T04:56:35 < R2COM> crimp it to what?
2013-05-17T04:56:44 < gxti> e.g. this http://www.amazon.com/3-pin-Power-Extension-Computer-18inch/dp/B0055LVE0E (overpriced but just a quick search)
2013-05-17T04:56:46 < R2COM> to socket which fits one on that link
2013-05-17T04:57:03 < dongs> um
2013-05-17T04:57:14 < dongs> why not just use regular .1" headers / angled ones, and shit like servo cables?
2013-05-17T04:57:33 < dongs> http://www.hobbyking.com/hobbyking/store/catalog/258000011.gif
2013-05-17T04:57:35 < dongs> this kinda trash
2013-05-17T04:57:55 < R2COM> its almost like what I showed
2013-05-17T04:58:00 < gxti> the CST ones are polarized and have locking tabs
2013-05-17T04:58:11 < R2COM> CST/
2013-05-17T04:58:12 < R2COM> ?
2013-05-17T04:58:12 < gxti> whether that matters or not is a personal choice
2013-05-17T04:58:15 < gxti> the digikey link
2013-05-17T04:58:30 < R2COM> which sockets you use for them
2013-05-17T04:58:44 < R2COM> I mean, which sockets you crimp to cable for those headers
2013-05-17T04:59:06 < gxti> compatible housing: http://www.digikey.com/product-detail/en/1375820-2/A99613-ND/1864915
2013-05-17T04:59:25 < gxti> contacts: http://www.digikey.com/product-detail/en/1375819-2/A100454CT-ND/2233145
2013-05-17T05:00:02 < gxti> sort of labor intensive, you probably shouldn't bother
2013-05-17T05:00:41 < R2COM> if it takes time no..
2013-05-17T05:00:45 < R2COM> something like this then http://www.elecfreaks.com/store/2-pin-ff-jumper-wire-200mm-5pcs-p-262.html?zenid=31dcpb052p8lkgid096knck597
2013-05-17T05:00:47 < R2COM> except
2013-05-17T05:00:54 < R2COM> that its not polarized physically
2013-05-17T05:01:06 < dongs> shitstudio has that stuff
2013-05-17T05:02:18 < R2COM> gxti: the funny thing is, to crimp it you have to pay more for parts rather than ready cable I shown (which turns out to effectively cost 40cents)
2013-05-17T05:02:30 < R2COM> only thing you win is well... its polarized.
2013-05-17T05:02:41 < R2COM> +time
2013-05-17T05:02:50 < gxti> GUESS YOU WIN LOL
2013-05-17T05:04:23 < R2COM> :)
2013-05-17T05:04:40 < R2COM> in general I try to avoid stuff like crimping etc, although I did that
2013-05-17T05:05:00 < R2COM> hamfarts like to do it alot
2013-05-17T05:07:29 < R2COM> dongs: so is this like normal products for that seedstudio huh http://www.seeedstudio.com/depot/nose-led-kit-p-1274.html
2013-05-17T05:08:15 < dongs> yeah no idea
2013-05-17T05:08:17 < dongs> loleld at hat earlier
2013-05-17T05:10:26 < dongs> at that, too
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2013-05-17T06:22:18 < upgrdman> dongs: you'll like this: http://farrellf.com/temp/servo_tester_pcb_revA.png
2013-05-17T06:27:22 < dongs> wtf is on teh right? capsense?
2013-05-17T06:27:48 < dongs> well, no caps so probably not
2013-05-17T06:29:47 < upgrdman> no, there spots for servo leads to be soldered to the board
2013-05-17T06:29:51 < upgrdman> theyre*
2013-05-17T06:30:34 < upgrdman> the four pads connected to the lqfp is a pwm output. the other fingers are battery +, and the ground wire would be soldered to the ground fill
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2013-05-17T07:00:20 < inca> how many stepi's does it take to get to the center of a printf-pop
2013-05-17T07:10:12 < inca> ~1500 instructions to die on a 17 character printf
2013-05-17T07:11:50 < R2COM> http://i.imgur.com/0595xGT.png
2013-05-17T07:11:53 < dongs> sdrfags: 9.1msps how does that translate into channel bandwidth
2013-05-17T07:12:04 < dongs> cool rf transistor bro
2013-05-17T07:12:27 < dongs> does 9.1 mean 9mhz bandwidth? or
2013-05-17T07:12:38 < R2COM> msps usually means mega samples per second
2013-05-17T07:12:38 < dongs> did you calculate that stripline spacing
2013-05-17T07:12:42 < dongs> yeah I know.
2013-05-17T07:12:48 < R2COM> dongs sure I did
2013-05-17T07:13:03 < R2COM> its not stripline its microstrip
2013-05-17T07:13:08 < dongs> er that.
2013-05-17T07:13:24 < dongs> sory, not up to date with latest IRC EE speak
2013-05-17T07:13:45 < R2COM> irc is more computerish I guess
2013-05-17T07:14:30 < R2COM> anyways, channel bandwidth and sampling rate of some system usually independent
2013-05-17T07:14:54 < R2COM> nothing translates there.. hteres no formula or something, it all depends on whatever the system is and how it was designed
2013-05-17T07:14:55 < dongs> this thing i have says 8mhz bandwidth (max) but i/q sample rate is 9.3mhz
2013-05-17T07:14:57 < dongs> so how does that work
2013-05-17T07:15:19 < R2COM> I assume they have then 2 adc's
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2013-05-17T07:15:24 < dongs> this is output
2013-05-17T07:15:25 < dongs> not input
2013-05-17T07:15:57 < R2COM> most likely something like many channels in one, and then they sample it at 9.3MHz
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2013-05-17T07:20:11 < R2COM> ask manufacturer for block schematic :)
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2013-05-17T07:21:09 < R2COM> or RIP IT APART like that guy from EEVblog lol....
2013-05-17T07:30:39 < dongs> hey emeb_mac
2013-05-17T07:30:50 < dongs> do you know how to generate NTSC
2013-05-17T07:31:19 < emeb_mac> dongs: full color?
2013-05-17T07:31:26 < dongs> yeah
2013-05-17T07:31:37 < emeb_mac> that's complicated.
2013-05-17T07:31:47 < dongs> i have this toy that can output 8mhz wide rf at any freq < 1ghz
2013-05-17T07:31:53 < dongs> input = i/q
2013-05-17T07:32:23 < emeb_mac> sounds fun.
2013-05-17T07:32:23 < dongs> is there a lot of faggotry involved to make that happen?
2013-05-17T07:32:56 < emeb_mac> yeah - generating the color subcarrier is difficult
2013-05-17T07:33:02 < dongs> i googled around, gnuradio seems to have ntsc rx
2013-05-17T07:33:10 < dongs> but not seing anything about generator
2013-05-17T07:34:40 < emeb_mac> it's probably doable, but you'd need an FPGA or equiv.
2013-05-17T07:34:58 < dongs> also apparently video is modulated using VSB
2013-05-17T07:35:48 < emeb_mac> well, ATSC is modulated w/ 8vsb.
2013-05-17T07:35:51 < dongs> http://course.ee.ust.hk/elec214/notes/Elec214_L08.pdf what teh fuck
2013-05-17T07:35:54 < dongs> emeb_mac: na im talkin aanalog
2013-05-17T07:36:02 < GargantuaSauce> http://www.youtube.com/watch?v=yhUCM9N-OKc
2013-05-17T07:36:13 < dongs> GargantuaSauce: this is the LAME WAY
2013-05-17T07:36:23 < dongs> GargantuaSauce: im talking about generating RF signal w/NTSC in it.
2013-05-17T07:36:35 < emeb_mac> I've heard NTSC analog described as vsb sometimes. Don't really know enough about it tho
2013-05-17T07:36:44 < GargantuaSauce> ah
2013-05-17T07:37:34 < emeb_mac> dongs: yeah - that paper pretty much says it - they filter off one of the 2 sidebands.
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2013-05-17T08:06:34 < dongs> whats more complicated, making NTSC in software or modulating digital transmission
2013-05-17T08:10:09 < dongs> http://answers.yahoo.com/question/index?qid=20080401052037AALJvRG yahoo answers to the rescue
2013-05-17T08:13:25 < emeb_mac> cool
2013-05-17T08:13:58 < emeb_mac> what kind of digital modulation?
2013-05-17T08:14:10 < emeb_mac> (vs SW NTSC)
2013-05-17T08:17:56 < dongs> um anything
2013-05-17T08:18:08 < dongs> isnt all ofdm-ish stuff very similar
2013-05-17T08:18:19 < dongs> or dtv transmission stuff
2013-05-17T08:19:00 < emeb_mac> ok
2013-05-17T08:19:26 < emeb_mac> I'd say that from a complexity standpoint they're about the same.
2013-05-17T08:19:34 < emeb_mac> just the operations are different
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2013-05-17T08:22:35 < dongs> sounds like im too dumb for it, thats for sure
2013-05-17T08:22:59 < emeb_mac> eh - just math.
2013-05-17T08:23:15 < emeb_mac> but you need to do it fast.
2013-05-17T08:24:33 < emeb_mac> NTSC line is ~63us, so for a 320 pixel line you need to process 5 pixels / us (assuming no blanking)
2013-05-17T08:25:32 < dongs> how do these $1 RGB>NTSC modulator chips do it then
2013-05-17T08:26:04 < emeb_mac> all the DSP is dedicated HW.
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2013-05-17T08:27:25 < dongs> but if you do it all in digital domain up until it leaves RF converter isnt it gonna be super clear  and noisefree and shit
2013-05-17T08:27:53 < emeb_mac> depends on how many corners you cut in the math.
2013-05-17T08:28:21 < emeb_mac> if you use low sample rates or crappy precision math then results will be marginal
2013-05-17T08:29:25 < emeb_mac> lots of consumer electronics is designed for "good enough for Wal-Mart"
2013-05-17T08:31:44 < ds2> does 63uS include color?
2013-05-17T08:32:13 < emeb_mac> 63us is the line time.
2013-05-17T08:32:20 < dongs> isnt colorburst after
2013-05-17T08:32:26 < emeb_mac> part of that is blanking, sync, colorburst
2013-05-17T08:32:30 < ds2> ah right
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2013-05-17T08:41:25 < dongs> oh, each line has colorburst?
2013-05-17T08:41:34 < dongs> i thought it was like after htem all. oh well, i dont rememeber much of this shit
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2013-05-17T08:48:44 < emeb_mac> ya - colorburst at start of each line to sync up the reference in the decoder.
2013-05-17T08:49:45 < emeb_mac> dongs: did you ever see how the old Apple ][ did color?
2013-05-17T08:51:16 < dongs> havenet looked, was it some hack?
2013-05-17T08:51:42 < emeb_mac> yeah - godawful ugly hack, but it worked.
2013-05-17T08:55:23 < dongs> sounds like pretty mcuh everything apple
2013-05-17T08:55:27 < dongs> godawful hack
2013-05-17T08:55:39 < dongs> with a minor group of very loud followers.
2013-05-17T08:55:48 < dongs> has crapple broke 1% market share in anything yet?
2013-05-17T08:57:14 < dongs> also, ive seen kids playing "angry birds" for the first time ever, and i gotta say, its the dumbest fuckign game.
2013-05-17T08:57:37 < emeb_mac> 5% of PC market in 2012.
2013-05-17T08:57:40 < l4cr0ss> agreed
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2013-05-17T09:01:34 < GargantuaSauce> http://gigaom2.files.wordpress.com/2013/03/screen-shot-2013-03-06-at-10-48-33-am.png
2013-05-17T09:02:07 < dongs> 3rd line of that png pretty much made it invalid
2013-05-17T09:02:10 < emeb_mac> dongs:  did you see the color generation code that rossum@posterous did on an AVR?
2013-05-17T09:02:16 < dongs> emeb_mac: yea
2013-05-17T09:02:23 < dongs> that was cool
2013-05-17T09:02:30 < emeb_mac> yes indeed
2013-05-17T09:03:16 < emeb_mac> too bad posterous went titsup.
2013-05-17T09:03:30 < emeb_mac> wonder if he's got that duped somewhere else?
2013-05-17T09:03:42 < dongs> lol
2013-05-17T09:03:58 < dongs> hm i shipped some trash to stellenbosch, south africa
2013-05-17T09:04:02 < dongs> and i just looked that shit up on google maps
2013-05-17T09:04:05 < dongs> and it looks pretty legit
2013-05-17T09:04:08 < dongs> i expected niggers everywehre
2013-05-17T09:04:17 < dongs> but all the shit i see on streetview are white peopel
2013-05-17T09:04:29 < emeb_mac> SA is very diverse.
2013-05-17T09:04:36 < emeb_mac> here's new rossum: http://rossumblog.com/
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2013-05-17T09:04:47 < dongs> some even looked fat,
2013-05-17T09:08:57 < emeb_mac> looks like that video project was done on an LPC11xx
2013-05-17T09:11:12 < dongs> at l east he st opped fucking around with avr
2013-05-17T09:11:16 < dongs> emeb_mac: which one?
2013-05-17T09:11:20 < dongs> the ooold one was failmega644
2013-05-17T09:11:36 < emeb_mac> he's got one calle "RBOX"
2013-05-17T09:12:39 < emeb_mac> http://rossumblog.com/2010/10/25/building-the-rbox/
2013-05-17T09:13:38 < dongs> cool
2013-05-17T09:13:53 < gnomad> dongs: seriously?  you are going to compare the apple followers of 1977 to the apple followers of today?
2013-05-17T09:13:54 < dongs> 320x240 composite or s-video output generated entirely in software
2013-05-17T09:13:54 < dongs> 256 colors with standard palette, up to 8k colors
2013-05-17T09:13:54 < dongs> 8 bit 15khz stereo audio
2013-05-17T09:13:55 < dongs> nice
2013-05-17T09:14:06 < dongs> gnomad: they're any different? seriosuly?
2013-05-17T09:14:40 < emeb_mac> dongs: yep - impressive software effort.
2013-05-17T09:15:08 < emeb_mac> would be interesting to see if that approach could be done on an STM32
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2013-05-17T09:15:35 < gnomad> most of the people who bought apples in the 1970s were hackers
2013-05-17T09:16:24 < dongs> rofl, arm asm
2013-05-17T09:16:38 < dongs>  //	3648 cpu clocks per scanline
2013-05-17T09:16:39 < dongs> //	Change anything in this region and you will need to fix chroma alignment
2013-05-17T09:16:52 < emeb_mac> heh
2013-05-17T09:17:33 < dongs> looks like just SPI
2013-05-17T09:17:56 < emeb_mac> hmm. you know how to do that.
2013-05-17T09:18:20 < dongs> hmm he is running it in master mode though
2013-05-17T09:18:25 < dongs> must be using some oddball crystal?
2013-05-17T09:18:38 < dongs> retarded eagle schematics, not opening
2013-05-17T09:18:53 < dongs> 14.318mhz
2013-05-17T09:19:07 < dongs> is that half of ntsc or somethign
2013-05-17T09:19:50 < emeb_mac> 4x ntsc IIRC
2013-05-17T09:20:02 < emeb_mac> NTSC  = 3.579545MHz.
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2013-05-17T09:22:05 < dongs> i still like my idea better of using spi in slave mode and driving it with timer
2013-05-17T09:23:55 < dongs> i suppose if i didnt give a shit about pal i could just use 28.something mhz xtal and run spi at exact speed
2013-05-17T09:24:07 < dongs>  well, /8 but whatever
2013-05-17T09:24:12 < dongs> im sure stm wouldnt mind being overclocked slightly
2013-05-17T09:24:39 < dongs> i wonder whats hte 25mhz limitation for max freq
2013-05-17T09:24:41 < dongs> and how far can you push that
2013-05-17T09:24:50 < dongs> though 14.whatever and multiplying it up would work just as well
2013-05-17T09:25:12 < dongs> did y ou see cool chip i found that ill use a s video switcher
2013-05-17T09:25:16 < emeb_mac> I've run an F100 part at 48MHz w/o problems.
2013-05-17T09:25:29 < emeb_mac> no - what chip?
2013-05-17T09:25:45 < dongs> http://www.digikey.com/product-detail/en/NJM2244M/NJM2244M-ND/805585
2013-05-17T09:25:47 < dongs> its fuckin cheap too
2013-05-17T09:27:03 < dongs> i can use that to switch between 2 dac outputs for white/black
2013-05-17T09:27:03 < emeb_mac> that's cool - 3 input mux w/ 75 ohm driver.
2013-05-17T09:27:11 < dongs> or maybe make black just a rsistor divider
2013-05-17T09:27:14 < dongs> and i culd dac the white
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2013-05-17T09:28:12 < dongs> pretty nice, huh? it would save me a bunch of parts, i was gonna use just g eneral purpose analog switcher thingy
2013-05-17T09:28:33 < emeb_mac> for your overlay?
2013-05-17T09:28:46 < dongs> ya
2013-05-17T09:29:00 < dongs> only annoying part is its 5v i havent chkced what levels are ok for switch inputs
2013-05-17T09:29:03 < dongs> hopefully i can drive it wiht 33.
2013-05-17T09:29:18 < dongs> lol @ it can work off 12V
2013-05-17T09:29:20 < dongs> without external parts
2013-05-17T09:29:49 < dongs> hmm digikey pdf is old as sshit
2013-05-17T09:30:01 < emeb_mac> on threshold is 2.4V - should be fine on 3.3V levels.
2013-05-17T09:30:03 < dongs> http://semicon.njr.co.jp/eng/PDF/NJM2244_E.pdf
2013-05-17T09:30:12 < dongs> oo
2013-05-17T09:30:12 < dongs> nice
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2013-05-17T09:32:57 < dongs> ya i need to redo my overlay thing design anyway
2013-05-17T09:33:02 < dongs> and while im at it switch to F3
2013-05-17T09:34:23 < ds2> hmmm
2013-05-17T09:35:14 < emeb_mac> oh nice.
2013-05-17T09:35:25 < emeb_mac> use the on-chip dacs to set the w/b levels?
2013-05-17T09:36:27 < dongs> yeah
2013-05-17T09:36:36 < dongs> and maybe do some grayscale at some point
2013-05-17T09:36:55 < dongs> duno if im gonna both with black dac though
2013-05-17T09:37:02 < dongs> voltage divider seems to be a bit more sane
2013-05-17T09:37:13 < dongs> except for pal blacks part, fuck
2013-05-17T09:37:29 < ds2> isn't .jp a NTSC country?
2013-05-17T09:37:38 < dongs> who says i dont have to suport eurotrash
2013-05-17T09:37:39 < emeb_mac> and you could modulate the levels for interesting fx.
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2013-05-17T09:39:18 < dongs> i was kinda hoping to use one dac for audio stuff, but I suppose PWMing a timer would be just as shitty sounding
2013-05-17T09:39:36 < emeb_mac> aha
2013-05-17T09:39:44 < emeb_mac> better use of resources.
2013-05-17T09:40:08 < ds2> how fast can you run the PWM base clock and still have decent resolution?
2013-05-17T09:40:09 < emeb_mac> use gpio to switch between pal / ntsc black levels?
2013-05-17T09:41:01 < dongs> emeb_mac: hmpf.
2013-05-17T09:41:24 < dongs> maybe thats not a bad idea
2013-05-17T09:41:33 < dongs> do I just voltage divide off a gpio pin or something?
2013-05-17T09:41:36 < dongs> not sure how that would work
2013-05-17T09:41:45 < dongs> I think PAL is 0V,m and NTSC is somegodawfulV for black
2013-05-17T09:41:46 < emeb_mac> dongs: sure
2013-05-17T09:42:29 < dongs> hm, so maybe making it low for pal, and then high + voltage divider for ntsc?
2013-05-17T09:42:38 < emeb_mac> two resistors - top node to gpio, middle to black level, bottom to gnd.
2013-05-17T09:43:12 < emeb_mac> gpio = on -> ntsc, off -> pal
2013-05-17T09:43:22 < dongs> right
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2013-05-17T09:47:49 < dongs> http://en.wikipedia.org/wiki/Black_level
2013-05-17T09:47:50 < dongs> yeah that.
2013-05-17T09:48:13 < dongs> pretty sure blanking = zero
2013-05-17T09:48:48 < dongs> ire units more like rage units
2013-05-17T09:50:55 < emeb_mac> but ire is a word too - actually appropriate.
2013-05-17T09:51:17 < dongs> right
2013-05-17T09:51:20 < dongs> thats what i was saying
2013-05-17T09:52:37 < dongs> ok, thats an awesome protip
2013-05-17T09:52:46 < dongs> adding to my IRC EE suggetions log in todo.txt
2013-05-17T09:53:35 < emeb_mac> getting to be a long list?
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2013-05-17T10:09:37 < dongs> not too bad
2013-05-17T10:09:41 < dongs> just mosly fixes from rev0
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2013-05-17T10:09:47 < dongs> like using SPI in  slave mode etc.
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2013-05-17T13:09:37 < dongs> chats
2013-05-17T13:11:28 < zyp> lack of
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2013-05-17T15:21:20 < dongs> any dudes who can look at a die pic and tell me what something is?
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2013-05-17T15:22:07 < qyx_> some transistors..
2013-05-17T15:22:16 < qyx_> wires, other things
2013-05-17T15:22:33 < dongie> yeah.
2013-05-17T15:25:13 <+Steffanx> dongs has a fancy pic?
2013-05-17T15:27:27 < dongie> sure
2013-05-17T15:27:46 <+Steffanx> not that i can 'read' it but :P
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2013-05-17T15:29:03 < dongie> http://i.imgur.com/XyPxdEp.png
2013-05-17T15:29:23 <+Steffanx> uhw
2013-05-17T15:31:28 < dongie> thats 5000x zoom, sorry :(
2013-05-17T15:32:46 < dongie> im wondering wha the fuck the brighter lines under the bits are
2013-05-17T15:32:53 < dongie> they seem fairly random
2013-05-17T15:36:14 <+Steffanx> Why these green lines?!
2013-05-17T15:37:01 <+Steffanx> You're going chinese btw? Copy-copy crap..
2013-05-17T15:37:35 < dongie> green lines - mspainted
2013-05-17T15:37:43 < qyx_> lighter lines?
2013-05-17T15:37:47 < qyx_> i dont see any lighter lines
2013-05-17T15:38:04 < dongie> the ones that are mostly under green lines
2013-05-17T15:38:19 < dongie> with random length across
2013-05-17T15:38:32 < qyx_> are you sire that every green area is 1 byte?
2013-05-17T15:38:44 < dongie> no, thats 8 bits
2013-05-17T15:38:46 < qyx_> arent there two bytes?
2013-05-17T15:38:56 < qyx_> 8bits/16bits
2013-05-17T15:38:59 < dongie> sure
2013-05-17T15:39:13 < dongie> but point is the brighter long lines that run under the bits
2013-05-17T15:39:31 < qyx_> now i see, i though that these are also groups of bits
2013-05-17T15:39:37 < qyx_> as they fit into the pattern
2013-05-17T15:40:29 < dongie> like the top left line,,, entire 8 bits have the thing.
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2013-05-17T15:40:43 < dongie> then its like 01001001
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2013-05-17T15:43:32 < qyx_> is it mask rom?
2013-05-17T15:43:35 < dongie> yeah
2013-05-17T15:43:57 < qyx_> http://patentimages.storage.googleapis.com/EP0409987B1/imgf0005.png
2013-05-17T15:44:09 < qyx_> seems like that, but here they are continuous
2013-05-17T15:44:33 < dongs> hmm
2013-05-17T15:44:42 < dongs> why wouldnt they be tho
2013-05-17T15:49:38 < qyx_> surely they are there to troll you
2013-05-17T15:50:28 < dongie> for sure
2013-05-17T15:50:35 < dongie> and to prevent me from stealing ip
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2013-05-17T15:59:11 < dongie> wahts '34' in that patent shit
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2013-05-17T16:02:42 <+Steffanx> http://www.google.com/patents/EP0409987B1?cl=en :)
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2013-05-17T17:26:50 < dongie> cool
2013-05-17T17:26:57 < dongie> crossworks now supports keil ulink2
2013-05-17T17:27:06 < dongie> so i can stop using jlink alltogether
2013-05-17T17:27:52 < dongie> Updated the EABI GCC/BINUTILS tools build to use GCC ARM Embedded 4.7-2012-q4-major source release.
2013-05-17T17:27:55 < dongie> huh
2013-05-17T17:27:57 < dongie> i thought they had their own gcc tree
2013-05-17T17:28:02 < dongie> they're just using gay-arm-embedded?
2013-05-17T17:28:18 < dongie> why am i paying these clowns for opensores
2013-05-17T17:28:30 < gxti> dunno lol
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2013-05-17T17:30:09 < dongie> ghey
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2013-05-17T18:19:02 <+Steffanx> pwnd dongie
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2013-05-17T20:27:18 < karlp> jpa-:  those weird crashes I was getting yesterday are gone.  might have been caused by a shaky debug connection.  (just pins in holes)
2013-05-17T20:32:32 < karlp> meh, spoke to soon.
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2013-05-17T20:50:27 < emeb> the surest way to bring a bug out of hiding is to say that it's gone.
2013-05-17T20:51:37 < karlp> yeah, awesome.
2013-05-17T20:51:42 < karlp> soldered a proper connector on.
2013-05-17T20:51:53 < karlp> now half the time it loses the debug connection.
2013-05-17T20:52:02 < karlp> something's well flaky
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2013-05-17T20:53:46 < emeb> this on a board you built yourself?
2013-05-17T20:53:55 < karlp> no, just came back from the assemblers
2013-05-17T20:54:02 < emeb> ugh.
2013-05-17T20:54:08 < karlp> yeah :|
2013-05-17T20:54:37 < emeb> most of my flaky behavior is traceable to poor soldering of qfp parts.
2013-05-17T20:55:00 < emeb> haven't had problems since I updated my soldering technique.
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2013-05-17T20:55:20 < karlp> we should have stuck with the chinese, their boards worked.
2013-05-17T20:55:34 < karlp> this is danish special quality.
2013-05-17T20:55:56 < emeb> danish. too much fruit & pastry involved.
2013-05-17T20:56:14 < karlp> might get some more out of the box on tuesday, see if it's just this one.
2013-05-17T20:56:33 < karlp> this was meant to be a 30minute job of changing some pin definitions for the tweaked layout.
2013-05-17T20:56:49 < emeb> yeah - it's never that simple.
2013-05-17T20:57:46 < karlp> well, this first turned up as "I flashed the image onto this board, and it doesn't work, not even the led"
2013-05-17T20:58:00 < karlp> hardware guys didn't actually get around to telling me that they'd moved some pins.
2013-05-17T20:58:10 < emeb> thanks, dudes.
2013-05-17T20:59:01 < karlp> boards _look_ nice at least :)
2013-05-17T20:59:13 < karlp> they jigged it up to have all the components on one side.
2013-05-17T20:59:16 < emeb> the prettiest board in the landfill.
2013-05-17T20:59:47 < karlp> so we have groovy mezzanine conenctors now that solder on the top, and have pins sitcking up into them from the bottom.
2013-05-17T21:00:06 < emeb> stackable?
2013-05-17T21:00:23 < karlp> if you had long enough pins I guess.
2013-05-17T21:01:01 < karlp> theyre sort of like a general 100mil pitch female socket, but with holes in the bottom.
2013-05-17T21:01:11 < emeb> right.
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--- Day changed Sat May 18 2013
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2013-05-18T00:29:31 < l4cr0ss> Once I have my program running on my discovery board, what's the next step towards making a dedicated pcb
2013-05-18T00:32:51 < R0b0t1> Determining parts, making schematic, laying board out
2013-05-18T00:33:18 < R0b0t1> I did a lot of reading about STM32 toolchain, but am still confused as to how to set it up
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2013-05-18T00:33:24 < R0b0t1> any links?
2013-05-18T00:33:36 < zyp> which toolchain?
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2013-05-18T00:34:40 < R0b0t1> That's one of the problems, is one necessarily better/more open?
2013-05-18T00:35:04 < R0b0t1> and, linux
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2013-05-18T01:05:55 < l4cr0ss> What kind of camera interfaces are generally supported by the stm32
2013-05-18T01:07:04 < zyp> the parallel ones
2013-05-18T01:07:50 < l4cr0ss> Isn't that like, all if them
2013-05-18T01:07:53 < l4cr0ss> Of
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2013-05-18T01:11:42 < zyp> so in other words, most of the cameras are supported
2013-05-18T01:12:44 < l4cr0ss> *cheers
2013-05-18T01:22:45 < R0b0t1> l4cr0ss, I'd never seen someone use the camera interface. Is there a project you are referring to while you design or ?
2013-05-18T01:25:20 < l4cr0ss> Brainstorming methods of capturing images on which to perform pattern recognition. Toy project for poc is solve a rubiks cube
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2013-05-18T01:26:41 < l4cr0ss> Really just determine the initial state of the cube
2013-05-18T01:28:34 < l4cr0ss> Looking at perhaps using something like this
2013-05-18T01:28:37 < l4cr0ss> http://www.mouser.com/Search/ProductDetail.aspx?Avago-Technologies%2fADJD-S311-CR999%2f&qs=sGAEpiMZZMs%252bczaS38qA%252bfquAnl9Nnl5T0WpVND5iK8%3d
2013-05-18T01:28:53 < l4cr0ss> But don't see a spec sheet
2013-05-18T01:31:55 < qyx_> thats not a camera
2013-05-18T01:32:20 < qyx_> Miniature Surface Mount RGB Digital Color Sensor
2013-05-18T01:33:04 < qyx_> and it has standard i2c interface
2013-05-18T01:33:42 < l4cr0ss> Yeah, l said brainstorming because I'm not sure if camera is the ideal way to go
2013-05-18T01:34:18 < l4cr0ss> I see how that could be misleading though, my baf
2013-05-18T01:34:27 < l4cr0ss> bad even
2013-05-18T01:35:52 < qyx_> but you could probably connect cheap $3 ebay camera to dcmi interface
2013-05-18T01:37:27 < l4cr0ss> That seems simple and cheapest
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2013-05-18T01:42:52 < qyx_> http://www.ebay.com/itm/640x480-CMOS-Camera-Module-OV7670-SCCB-Compatible-I2C-/281108864410?pt=LH_DefaultDomain_0&hash=item417364dd9a
2013-05-18T01:42:56 < qyx_> this one for example, $6
2013-05-18T01:46:48 < l4cr0ss> That's great, thanks for the link. My first thought was that i2c would be too slow, but I guess there is no reason to think that is the case
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2013-05-18T01:49:55 < qyx_> no, i2c is just command interface
2013-05-18T01:50:12 < qyx_> its not actually i2c, it is sccb
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2013-05-18T01:50:48 < qyx_> then it sends images/video using parallel interface as zyp said
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2013-05-18T02:02:52 < l4cr0ss> Oh ok, that makes sense heh
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2013-05-18T02:03:57 < Markvilla> Hello
2013-05-18T02:04:12 < Markvilla> I have an STM32F103RBT6 board http://www.lctech-inc.com/Hardware/Detail.aspx?id=91891ab7-5724-4526-abfa-958df9ce571f
2013-05-18T02:04:38 < Markvilla> I want to know if there is a toolchain that lets me develop for this board on OSX
2013-05-18T02:04:52 < Markvilla> or if anyone can point me to a toolchain that works on Linux
2013-05-18T02:05:10 < Markvilla> I want to be able to run very simple example problems for the moment
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2013-05-18T02:05:56 < zyp> I'm working on OS X
2013-05-18T02:06:27 < zyp> https://launchpad.net/gcc-arm-embedded/ <- this is the recommended one either you're using OS X or Linux
2013-05-18T02:06:36 < zyp> R0b0t1, that goes for you too
2013-05-18T02:07:19 < Markvilla> good, I already installed that :)
2013-05-18T02:07:28 < Markvilla> out /gcc-arm-none-eabi-4_7-2013q1/bin in my PATH
2013-05-18T02:07:37 < Markvilla> anything else I have to add to my environment?
2013-05-18T02:07:44 < Markvilla> s/out/put
2013-05-18T02:08:32 < zyp> no, just that
2013-05-18T02:09:12 < Markvilla> Thank you
2013-05-18T02:09:27 < zyp> or what do you mean by environment?
2013-05-18T02:10:00 < Markvilla> include and library paths etc.
2013-05-18T02:10:20 < zyp> ah, then no, that's what I answered
2013-05-18T02:10:22 < R0b0t1> zyp: YAY.
2013-05-18T02:10:36 < Markvilla> can you point me to an introduction tutorial for the toolchain, or at least something I can google? :)
2013-05-18T02:10:43 < R0b0t1> Cortex R family? What?
2013-05-18T02:10:45  * R0b0t1 googles.
2013-05-18T02:11:25 < zyp> don't care about cortex-r, it's probably not interesting to you
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2013-05-18T02:11:59 < zyp> it's used in stuff like cellular chipsets
2013-05-18T02:12:34 < R0b0t1> Ah.
2013-05-18T02:12:47 < zyp> Markvilla, well, it's like any gcc really
2013-05-18T02:13:00 < zyp> Markvilla, and you still need/probably want a couple of other parts
2013-05-18T02:13:08 < R0b0t1> Is it verging on embedded system territory? The SIMD/DSP got my attention, but if it's intended to be run as an OS-based platform...
2013-05-18T02:13:40 < zyp> Markvilla, you want a way to get code loaded onto the hardware, and you probably want a driver library to help you get started
2013-05-18T02:13:56 < Markvilla> zyp I'd appreciate some guidance, I've only used 8 bit atmel stuff on the past.
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2013-05-18T02:14:55 < zyp> R0b0t1, no, it's intended for realtime systems, so it would usually run some sort of RTOS
2013-05-18T02:15:06 < Markvilla> yup! my board seems to have usb but only for power, it has rs232 tho
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2013-05-18T02:17:55 < zyp> R0b0t1, I used to be working with phone chipsets, which were running enea ose on cortex-r
2013-05-18T02:18:13 < zyp> but of course, nothing stops you from going all bare-bones on them
2013-05-18T02:21:33 < zyp> Markvilla, then you're probably familiar with avrdude and avrisp and stuff?
2013-05-18T02:21:42 < R0b0t1> Hmm
2013-05-18T02:21:48 < Markvilla> zyp yup
2013-05-18T02:21:49 < R0b0t1> Nah. Too many pins :3
2013-05-18T02:22:18 < zyp> Markvilla, that's how you get code onto an avr, now, how are you planning to get code onto the stm32?
2013-05-18T02:23:08 < Markvilla> zyp absolutely no idea. I usually did it with an ftdi chip, attaching to serial port was easy enough
2013-05-18T02:23:28 < zyp> ok
2013-05-18T02:23:35 < zyp> then it's possible to do that
2013-05-18T02:23:39 < Markvilla> this board usb doesnt create any virtual port
2013-05-18T02:23:42 < zyp> stm32 has a built-in serial bootloader
2013-05-18T02:23:57 < zyp> the usb is native usb
2013-05-18T02:24:14 < zyp> but it doesn't do anything if your software doesn't do anything with it
2013-05-18T02:24:27 < Markvilla> I see
2013-05-18T02:25:00 < Markvilla> So how do I make my PC recognize it so I can flash it?
2013-05-18T02:25:11 < zyp> there is a tool to program it via the serial bootloader, but I don't remember what it was called, somebody else here can probably fill me in
2013-05-18T02:25:24 < Markvilla> from ST?
2013-05-18T02:25:26 < zyp> you need to hook up to the serial port
2013-05-18T02:25:57 < zyp> the actual serial port on the board is probably usable for that
2013-05-18T02:26:21 < zyp> there is a windows tool from ST, and a number of other ones for other OS-es
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2013-05-18T02:26:37 < zyp> I remember using some python script a couple of years ago
2013-05-18T02:27:31 < Markvilla> https://github.com/jsnyder/stm32loader
2013-05-18T02:27:32 < zyp> https://github.com/jsnyder/stm32loader <- this one, probably
2013-05-18T02:27:33 < Markvilla> that?
2013-05-18T02:27:37 < Markvilla> ha :D
2013-05-18T02:27:37 < zyp> :)
2013-05-18T02:28:18 < zyp> as for drivers/examples you could have a look at libopencm3
2013-05-18T02:28:32 < Markvilla> I have to get my hand on one of these http://www.codeproject.com/KB/dotnet/WMICodeCreator_Demo/usb-serial-adapter.jpg
2013-05-18T02:28:55 < Markvilla> unless there is a way to use any of my usb to serial converters?
2013-05-18T02:29:15 < Markvilla> Unless it uses anything apart from rx tx
2013-05-18T02:30:38 < zyp> just rx/tx
2013-05-18T02:31:22 < zyp> http://www.st.com/web/en/resource/technical/document/application_note/CD00167594.pdf <- chapter 4 here describes the bootloader for your chip
2013-05-18T02:32:17 < Markvilla> then I probably can figure something out with some cables :)
2013-05-18T02:32:34 < Markvilla> I see OpenOCD mentioned in some places
2013-05-18T02:32:48 < Markvilla> is it a "library" like libopencm3?
2013-05-18T02:32:55 < Markvilla> o more like a toolchain?
2013-05-18T02:32:58 < zyp> no, it's a software like avrdude
2013-05-18T02:33:09 < zyp> which requires a hardware like avrisp
2013-05-18T02:34:46 < zyp> (avrice would be a more fair comparison, since openocd does debugging)
2013-05-18T02:35:49 < Markvilla> I see
2013-05-18T02:35:58 < Markvilla> thank you for your help
2013-05-18T02:36:03 < Markvilla> I really appreciate it
2013-05-18T02:37:14 < Markvilla> too much information on the internet on this topic to separate good stuff from bluff :)
2013-05-18T02:38:07 < zyp> yeah, and there are so much flexibility and options that it's impossible to agree about everything
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2013-05-18T02:38:51 < Markvilla> yup :)
2013-05-18T02:39:08 < Markvilla> I just need to get setup with whatever option
2013-05-18T02:39:21 < Markvilla> and then I will be able to try the rest and decide which one I like
2013-05-18T02:41:01 < zyp> well, you better get some jtag/swd hardware sooner or later, having debugger ability makes the whole experience much nicer
2013-05-18T02:43:31 < zyp> lots of different options there too, I went through three or so first before I found one I liked
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2013-05-18T02:47:04 < zyp> anyway, that's a story for another day, I'm heading to bed now
2013-05-18T02:47:17 < zyp> have a good whatever time of day it is in your part of the world :)
2013-05-18T02:49:49 < Markvilla> bed too, Spain ;)
2013-05-18T02:49:56 < Markvilla> gnight and thanks again zyp !
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2013-05-18T04:32:04 < dongs> sup bloggers
2013-05-18T04:33:46 < talsit> dongs: what dev env do you use for stm32's?
2013-05-18T04:33:53 < dongs> keil or crossworks
2013-05-18T04:36:13 < talsit> how pricey are they?
2013-05-18T04:37:11 < dongs> crossworks is 150-ish for noncommercial use.
2013-05-18T04:37:12 < talsit> crossworks, i know
2013-05-18T04:37:17 < talsit> they have it there
2013-05-18T04:37:20 < talsit> but keil...
2013-05-18T04:37:24 < dongs> keil is on digikey.
2013-05-18T04:37:29 < dongs> 4999.95 or something like that.
2013-05-18T04:37:35 < talsit> crossworks is $3k for commercial
2013-05-18T04:37:38 < talsit> i can't digikey
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2013-05-18T04:46:28 < talsit> crossworks looks nice
2013-05-18T04:48:31 < dongs> except i just found out yesterday they use gcc-arm-embedded
2013-05-18T04:49:46 < talsit> and that's bad... because?
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2013-05-18T05:01:14 < R2COM> Bork Bork!
2013-05-18T05:01:31 < talsit> BORK
2013-05-18T05:07:33 < dongs> R2COM: was you the guy with silicon design/layout experience
2013-05-18T05:07:49 < dongs> trying to figure out some crap on maskrom
2013-05-18T05:08:05 < dongs> http://i.imgur.com/XyPxdEp.png
2013-05-18T05:13:50 < R2COM> hmm
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2013-05-18T05:14:23 < R2COM> its hard to tell from this resolution
2013-05-18T05:14:28 < R2COM> dont notice symmetry either
2013-05-18T05:14:31 < R2COM> so not sure
2013-05-18T05:15:05 < R2COM> is that suppoed to be memory or what
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2013-05-18T07:11:48 < talsit> anyone had any luck with openOCD+stm32f4+segger jlink+SWD?
2013-05-18T07:12:00 < R2COM> haha
2013-05-18T07:12:10 < talsit> :(
2013-05-18T07:12:16 < R2COM> I fucked a bit with openOCD then throwed it in shitcan
2013-05-18T07:12:33 < talsit> what (free) alternatives are there?
2013-05-18T07:12:43 < R2COM> I used debugger from Atollic
2013-05-18T07:12:54 < R2COM> Atollic debugger + GDB + Eclipse
2013-05-18T07:12:56 < R2COM> worked
2013-05-18T07:13:00 < R2COM> still works
2013-05-18T07:13:10 < R2COM> + st_link v2
2013-05-18T07:13:12 < R2COM> SWD
2013-05-18T07:14:00 < talsit> wait, the debugger that comes with truestudio?
2013-05-18T07:14:05 < R2COM> yes
2013-05-18T07:14:12 < R2COM> Atollic
2013-05-18T07:14:16 < talsit> but that's not free
2013-05-18T07:14:21 < R2COM> hmm
2013-05-18T07:14:34 < R2COM> I just copied its debugger files after install
2013-05-18T07:14:38 < R2COM> and put in another folder
2013-05-18T07:14:41 < R2COM> and referencved to it
2013-05-18T07:14:42 < R2COM> it worked
2013-05-18T07:14:45 < R2COM> never complained
2013-05-18T07:14:57 < R2COM> full compiler is not free
2013-05-18T07:14:59 < R2COM> but who cares
2013-05-18T07:15:02 < R2COM> I use GNUArm
2013-05-18T07:15:12 < R2COM> which supports FPU as well
2013-05-18T07:15:38 < talsit> i may have to ditch the jlink in favour of ths tlink
2013-05-18T07:15:42 < talsit> stlink
2013-05-18T07:17:15 < talsit> and how do you load programs into your chip with that setup?
2013-05-18T07:17:51 < R2COM> I have two ways one through that debugger inside Eclipse
2013-05-18T07:18:04 < R2COM> when I select debug configurations
2013-05-18T07:18:14 < R2COM> another way is use ST-Link software
2013-05-18T07:18:18 < R2COM> if I dont need debug
2013-05-18T07:18:41 < R2COM> I just tied Eclipse to that debugger
2013-05-18T07:18:46 < R2COM> and I can start gdb server from there
2013-05-18T07:19:16 < R2COM> by the way all in Win8
2013-05-18T07:19:17 < R2COM> errr
2013-05-18T07:19:20 < R2COM> Win7
2013-05-18T07:19:29 < talsit> yeah, on win7 here too
2013-05-18T07:19:35 < R2COM> I dont use Clitux for these stuff
2013-05-18T07:19:45 < talsit> looks like i have a lot of reading to do
2013-05-18T07:20:00 < R2COM> look online, some people done that and posted
2013-05-18T07:20:00 < talsit> haven't used eclipse (by choice) since 2009
2013-05-18T07:20:15 < R2COM> or pay 5000$ and get Keil
2013-05-18T07:20:16 < R2COM> haha
2013-05-18T07:20:34 < talsit> i've been using iar until i ran into the 32k limit ;)
2013-05-18T07:20:35 < R2COM> Actually with software I use...if I ask for Keil it wont be a problem, but I just dont want to
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2013-05-18T07:20:59 < R2COM> one thing is, for example I use Electromagnetic plnar simulation software, its expencive, but I asked for it
2013-05-18T07:21:12 < R2COM> because, doing it by hand for me will take *significant* amount of time
2013-05-18T07:21:24 < talsit> i am my own boss, and haven't had a paycheck since oct, so... i'm trying to stretch my money
2013-05-18T07:21:44 < R2COM> given fact that I already know emag related shit, but it still will take huge effort.... however... fucking few days with Eclipse can do programming stm32 possible for me
2013-05-18T07:21:48 < R2COM> thats why I wont ask for Keil
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2013-05-18T07:22:21 < R2COM> i.e. I dont want to ask 5000$ for something for what few weekends can do the job...
2013-05-18T07:23:12 < talsit> gotta reboot, fucking with usb drivers
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2013-05-18T09:43:45 < talsit> ok, so everytime i want to try to restart my app over gdb/jlink, i have to reboot my computer
2013-05-18T09:43:47 < talsit> awesome
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2013-05-18T09:52:56 < dongs> lol
2013-05-18T09:52:59 < dongs> great opensores.
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2013-05-18T09:54:01 < R2COM> nah
2013-05-18T09:55:00 < R2COM> :)
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2013-05-18T10:00:46 < R2COM> as I said I would ask money/buy stuff which would take me year to do or so
2013-05-18T10:01:38 < talsit> i have no one to ask from except my already meager bank account
2013-05-18T10:02:03 < talsit> i'm almost ready to start working the streets to be able to buy this software that actually works
2013-05-18T10:02:11  * talsit wonders what's the going price
2013-05-18T10:02:29 < R2COM> I just ask Uncle Sam when I need something
2013-05-18T10:02:49 < talsit> i only have one uncle, and he's a teacher
2013-05-18T10:02:56 < R2COM> you suck
2013-05-18T10:03:12 < talsit> thanks, you're really helping
2013-05-18T10:03:45 < R2COM> I did actually, I gave you advice to use Eclipse+Atollic gdb server +gnuarm, in case if you have no funds
2013-05-18T10:04:55 < talsit> i know, and thanks for the idea of using a remote gdb server
2013-05-18T10:05:06 < talsit> that actually did help
2013-05-18T10:05:28 < talsit> i'm trying my segger jlink gdb link
2013-05-18T10:05:37 < talsit> but that's not working too well
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2013-05-18T14:23:29 < Tectu> this is a nice OpAmp: http://www.digikey.com/product-detail/en/THS3001CD/296-1762-5-ND/277408
2013-05-18T14:23:33 < Tectu> CFB thought
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2013-05-18T14:24:20 < Tectu> GWP of 1.75GHz, Slewrate of 6'500V/µs, +-16V Supply voltage
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2013-05-18T14:25:37 < Tectu> qyx_: ^
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2013-05-18T15:04:35 < dongs> im gonna slew ur rates
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2013-05-18T17:17:13 < Laurenceb__> sup
2013-05-18T17:19:55 <+Steffann> tha sky bro
2013-05-18T17:31:50 < Laurenceb__> so i was talking to my tiler friend
2013-05-18T17:33:13 < Laurenceb__> he was rung up by an acting school, they wanted their floor tiling
2013-05-18T17:33:33 < Laurenceb__> so he told them to act as if it was tiled
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2013-05-18T18:46:28 < Robint91> who can help me with a DSP problem
2013-05-18T18:48:13 < Robint91> I have a system that measures the heading of the sound with two microphones
2013-05-18T18:48:24 < Robint91> but I want a emulator for that
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2013-05-18T19:28:22 < jpa-> Robint91: emulator?
2013-05-18T19:29:14 < Robint91> jpa-, something that outputs two signals, that are accualy the microphone signals
2013-05-18T19:29:40 < jpa-> why not just capture some test data with real microphones?
2013-05-18T19:30:57 < Robint91> jpa-, I don't have my test setup here
2013-05-18T19:31:28 < Robint91> jpa-, and syncing two audio channels with seperate audio card is bitching
2013-05-18T19:31:29 < jpa-> in theory you can just take a random wave and offset it a bit on the time axis
2013-05-18T19:31:46 < jpa-> Robint91: surely you have stereo audio input?
2013-05-18T19:31:59 < Robint91> jpa-, without preamp
2013-05-18T19:32:20 < Robint91> jpa-, did that, but I want something more interactive, eg also testing motion
2013-05-18T19:32:32 < jpa-> get real data
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--- Day changed Sun May 19 2013
2013-05-19T00:07:57 < ShiftPlusOne> Hm, is there a reason I can't use USART1 (PB6 for TX) on the F4 discovery? It seems to be shared with the CS43L22 SCL, but I am not sure if that should stop it. =/
2013-05-19T00:08:27 < ShiftPlusOne> I have just modified my code to use USART2 (PA2) and it works just fine, so there shouldn't be any problems there.
2013-05-19T00:11:17 < ShiftPlusOne> But I can pastebin it if it will help.
2013-05-19T00:15:58 < Tectu> ShiftPlusOne, afaik you cannot use USART1 without unsoldering or cutting the traces of the CS43L22
2013-05-19T00:18:03 < ShiftPlusOne> Tectu, ah, thanks, I can stop doing the same thing over and over and hoping it will work now. =)
2013-05-19T00:24:28 < Laurenceb__> http://www.theflatearthsociety.org/forum/index.php/topic,30499.msg854193.html#msg854193
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2013-05-19T01:51:40 < Laurenceb__> http://www.youtube.com/watch?v=1dkCUvtu_5o
2013-05-19T01:51:52 < Laurenceb__> most pretentious lyrics ever
2013-05-19T01:53:32 < gnomad> irony?
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2013-05-19T02:15:38 < ddrown> I have a question about timers.  I'm using TIM2 on the stm32f4 and I'm expecting the clock to be 42mhz, but I'm seeing 84mhz.  Am I missing something?
2013-05-19T02:16:15 < zyp> yep
2013-05-19T02:17:08 < ddrown> ok, so even though TIM2 is on APB1, the timer isn't clocked from that bus?
2013-05-19T02:17:32 < zyp> check the clock tree diagram in RCC chapter
2013-05-19T02:17:49 < ddrown> ok
2013-05-19T02:18:09 < zyp> timer clocks are multiplied by 2 unless the bus clock is equal to sysclock (not divided)
2013-05-19T02:18:36 < zyp> so timers on the 42MHz bus would be 84MHz and timers on the 84MHz bus would be 168MHz
2013-05-19T02:19:29 < ddrown> ah hah!
2013-05-19T02:19:36 < ddrown> thank you, I see it now
2013-05-19T02:19:40 < zyp> :)
2013-05-19T02:21:01 < gxti> i wonder why they did it that way and not just always fed from sysclk
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2013-05-19T03:30:45 < dongs> so you could clock while you clock
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2013-05-19T03:37:46 < zyp> one of the things I observe while reverse engineering stuff is «wow, this compiler does lots of dumb stuff»
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2013-05-19T03:41:41 < zyp> one of the more interesting ones I've found is: a: xor eax, eax; jz b; … jmp a; b: …
2013-05-19T03:42:07 < zyp> it's essentially a while(0) { … } …
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2013-05-19T03:43:25 < zyp> except it doesn't make sense for it to be a loop, because the code within the brackets is a call to a logging function logging the stuff happening after the brackets
2013-05-19T03:43:55 < talsit> while(0) or while(1) ?
2013-05-19T03:44:03 < zyp> 0
2013-05-19T03:44:05 < qyx_> 0
2013-05-19T03:44:39 < zyp> I imagine the source looks something like if(VERBOSE), with #define VERBOSE 0
2013-05-19T03:45:00 < talsit> then it's not a look, it's an unconditional jump
2013-05-19T03:45:02 < talsit> right?
2013-05-19T03:45:35 < zyp> and the compiler is not even attempting to optimize, so it leaves the dead code in, but for some reason inserts a jump at the end as if it were a dead while instead of a dead if
2013-05-19T03:46:09 < qyx_> it's not unconditional jump, it's conditional nonsense crap
2013-05-19T03:46:13 < zyp> and so far I've seen at least five of the same construct
2013-05-19T03:46:44 < gxti> weird
2013-05-19T03:46:52 < qyx_> i would laugh if keil did it
2013-05-19T03:46:59 < talsit> xor eax eax will always be 0, therefore it will skip anything between the end of jz b: and b:, right?
2013-05-19T03:47:00 < zyp> no, this is x86
2013-05-19T03:47:07 < zyp> talsit, correct
2013-05-19T03:47:12 < qyx_> ah true, eax
2013-05-19T03:47:31 < gxti> talsit: it's a loop because of the 'jmp a' at the end
2013-05-19T03:47:41 < gxti> either way it's never executed
2013-05-19T03:47:53 < zyp> but it doesn't make sense for it to be a loop
2013-05-19T03:47:59 < talsit> isn't "xor eax eax" how noop was implemented a while ago
2013-05-19T03:48:05 < zyp> no
2013-05-19T03:48:13 < zyp> it's clr eax
2013-05-19T03:48:17 < qyx_> it's there to confuse you
2013-05-19T03:48:30 < talsit> gxti: but the jmp a: is before b:
2013-05-19T03:48:43 < zyp> and eax, eax would be a nop
2013-05-19T03:48:45 < qyx_> yes, b: is the way how to end the loop
2013-05-19T03:48:56 < talsit> so it skips the jmp a:
2013-05-19T03:48:57 < qyx_> jz b jumps to b if zero
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2013-05-19T03:49:25 < qyx_> sure, thats why zyp said while (0)
2013-05-19T03:50:21 < zyp> it reads something like while(0) { log("about to do foo()"); } foo();
2013-05-19T03:50:59 < zyp> oh, and it's not always using eax
2013-05-19T03:51:21 < zyp> I had a function with four of these constructs in a row, and it cycled between the registers
2013-05-19T03:53:23 < zyp> then I've seen a few instances of other unoptimized dumbness like storing a register to memory then immediately reading it back
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2013-05-19T04:07:25 < dongs> zyp, is this gcc or something
2013-05-19T04:07:27 < dongs> oh
2013-05-19T04:07:28 < dongs> x86
2013-05-19T04:08:05 < dongs> xor eax,eax is used a lot to zero it
2013-05-19T04:08:09 < dongs> since its small instruction
2013-05-19T04:08:13 < dongs> way smaller than say mov eax, 0
2013-05-19T04:08:34 < zyp> of course
2013-05-19T04:08:46 < zyp> that's not the point
2013-05-19T04:08:52 < dongs> sure it is
2013-05-19T04:09:01 < dongs> im sure vs com-pioler wouldnt be caught making such shit code
2013-05-19T04:09:03 < zyp> the point is that the compiler has emitted a fucking while(0)
2013-05-19T04:09:05 < dongs> but for gcc its ok
2013-05-19T04:09:08 < dongs> yea sure
2013-05-19T04:09:32 < dongs> im sure if you compile same code with vstudio it will suck less ^_^
2013-05-19T04:09:50 < zyp> oh, and this is closed sores windows code, dunno which compiler made it
2013-05-19T04:10:00 < zyp> I'm just reverse engineering it
2013-05-19T04:10:08 < dongs> wat is it, anyway
2013-05-19T04:10:10 < dongs> i mean overall app
2013-05-19T04:10:52 < qyx_> closed sores win will wont be gcc
2013-05-19T04:10:53 < qyx_> omg
2013-05-19T04:10:56 < qyx_> -will
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2013-05-19T04:13:06 < talsit> is there any actual difference between the stlinkv2 of the discovery board and the standalone one?
2013-05-19T04:17:04 < gxti> talsit: just a level shifter, i think
2013-05-19T04:18:45 < talsit> well that sucks :(
2013-05-19T04:19:53 < talsit> openocd is connecting to my discovery board, but not to my board via an stlink.v2
2013-05-19T04:20:35 < gxti> did you connect vcc? discovery doesn't need it but the level shifter would
2013-05-19T04:21:04 < talsit> openOCD reports correct VCC
2013-05-19T04:21:20 < talsit> 3.224068
2013-05-19T04:33:23 < dongs> i agree, unless its some filthy shit thats made with QT or some otheropensores toolkit, its unlikely to be gcc
2013-05-19T04:33:40 < dongs> because most people who want to develop software wont waste ti me with half-broken toolkits/compilers
2013-05-19T04:33:47 < dongs> they just want shit to work so they can focus on making money
2013-05-19T04:34:19 < talsit> dongs are you in japan?
2013-05-19T04:34:35 < dongs> im pretty sure writing mile-long command lines and makefiles is not your  typical software developers idea of fun
2013-05-19T04:34:39 < dongs> yes.
2013-05-19T04:35:45 < talsit> where in japan?
2013-05-19T04:36:03 < dongs> far enough from you
2013-05-19T04:36:25 < talsit> :p
2013-05-19T04:37:04  * GargantuaSauce has made a qt application with vs
2013-05-19T04:37:30 < talsit> dongs you never know, we could be neighbours
2013-05-19T04:38:23 < dongs> GargantuaSauce: yeah, but i bet you didnt use any opensores libs with it
2013-05-19T04:38:29 < dongs> raw qt is ok in vstudio
2013-05-19T04:38:35 < dongs> but as soon as you add any opensores shit, youre fucked
2013-05-19T04:38:42 < GargantuaSauce> libavcodec :V
2013-05-19T04:38:54 < GargantuaSauce> and yes i was fucked
2013-05-19T04:47:09 < GargantuaSauce> but i do happen to be one of those lunix fucktards you are so fond of going on about :)
2013-05-19T04:54:47 < dongs> hmm
2013-05-19T04:54:54 < dongs> its 2dBm off when measuring power
2013-05-19T04:54:59 < dongs> i have modulator directly connected
2013-05-19T04:55:06 < dongs> i tell it to output at -40dBm
2013-05-19T04:55:08 < dongs> tuner reports -42
2013-05-19T04:55:13 < dongs> splitter loss?
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2013-05-19T06:00:09 < dongs> https://i.chzbgr.com/maxW500/7456820480/hEB4F777F/
2013-05-19T06:00:10 < dongs> trolled
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2013-05-19T06:05:23 < gxti> using the word 'troll' to describe everything is now trolling
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2013-05-19T07:31:36 < R2COM> working with some memory chip now, with spi interface
2013-05-19T07:32:15 < R2COM> can send commands, read/write, but for some command its datasheet says something like CS must go high after byte sent right at byte boundary, otherwise command ignored
2013-05-19T07:32:22 < R2COM> pretty inconvenient
2013-05-19T07:32:30 < R2COM> tried adjusting timing so far didnt work heh
2013-05-19T07:33:01 < R2COM> although all setup/hold times are being met
2013-05-19T07:33:44 < R2COM> I guess I'll have to smoke datasheet more, there might be some catch.
2013-05-19T07:39:52 < talsit> you must do a special dance after the each invocation
2013-05-19T07:46:53 < R2COM> what you mean
2013-05-19T07:47:23 < R2COM> almost all commands which I already coded in functions work fine
2013-05-19T07:47:38 < R2COM> like: cs_low/ command/cs_high ...
2013-05-19T07:47:39 < talsit> just ignore me, my brain is quite fried
2013-05-19T07:47:57 < R2COM> its just one command being an ass and does not get accepted
2013-05-19T07:48:06 < R2COM> whereas with same framed code all other commands accepted fine
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2013-05-19T08:42:59 < R2COM> was wondering what would be the best way to make SS pin for SPI go HIGH right after last bit clock edge goes down
2013-05-19T08:43:13 < R2COM> except that fucking around with delays of course...
2013-05-19T08:44:04 < R2COM> checking RXNE, or even BSY and then toggle pin manually will have a delay starting from when last bit's clock edge went down, but I dont want delay, want SS pin go high precisely right after last bit was sent
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2013-05-19T09:07:29 < dongs> R2COM: just high it in transfer complete interrupt
2013-05-19T09:07:31 < dongs> for DMA or whatever youre using
2013-05-19T09:07:52 < dongs> R2COM: theres no reason it needs to go PRECISELY after
2013-05-19T09:07:59 < dongs> data is transferrred, spi clock is done
2013-05-19T09:08:04 < dongs> there's no reason why it would have such timing restriction
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2013-05-19T09:19:57 < Robint91> hi all
2013-05-19T09:42:31 < talsit> using gnu tools, is there a way to find out how big a program is?
2013-05-19T09:42:36 < talsit> in terms of code and data?
2013-05-19T09:43:03 < jpa-> arm-none-eabi-size -t foobar.elf
2013-05-19T09:43:09 < talsit> th
2013-05-19T09:43:11 < talsit> thx
2013-05-19T09:43:32 < jpa-> to find size of individual methods, something like    arm-none-eabi-objdump -t foobar.elf | sort -k5
2013-05-19T09:44:25 < talsit> the "text" size is all the code, right?
2013-05-19T09:44:38 < jpa-> all that goes into flash, yes
2013-05-19T09:44:57 < jpa-> (includes also read-only data, like strings)
2013-05-19T09:45:02 < talsit> so does data & bss, ?
2013-05-19T09:45:26 < jpa-> data is static RAM with initialization value, bss is static RAM initialized to zero
2013-05-19T09:45:44 < jpa-> on top of that you have whatever stack & heap you use dynamically, but size doesn't know about those
2013-05-19T09:45:57 < talsit> ok, thanks
2013-05-19T09:46:08 < talsit> i think iar reports it different
2013-05-19T09:46:21 < talsit> i think code is just code without the const strings
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2013-05-19T10:13:28 < R2COM> hm
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2013-05-19T10:13:47 < R2COM> I am assuming it maybe doesnt work since most of those SPI flash memory chips want you to completely write all PAGE
2013-05-19T10:15:16 < R2COM> For  the  following  instructions:  RDID,  RDSR,  RDSCUR,  READ,  FAST_READ,  RDSFDP,  2READ,  DREAD, 4READ, QREAD, RDBLOCK, RES, REMS, REMS2, and REMS4 the shifted-in instruction sequence is followed by a data-out sequence. After any bit of data being shifted out, the CS# can be high. For the following instruc-tions: WREN, WRDI, WRSR, SE, BE, BE32K, HPM, CE, PP, CP, 4PP, RDP, DP, WPSEL, SBLK, SBULK, GBLK, GBULK, ENSO, EXSO, WRSCUR, EN
2013-05-19T10:15:42 < R2COM> says "After ANY bit of data being shifted out, CS can be high"
2013-05-19T10:16:13 < R2COM> but for another set of commands says: "CS must go high exactly at the byte boundary otherwise instruction will be rejected"
2013-05-19T10:16:48 < R2COM> I guess it just wants me then not to pull high CS until i am done with loading all PAge
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2013-05-19T10:43:41 < dongs> it doesnt mean exactly
2013-05-19T10:43:47 < dongs> it means youre done sending byte, transition to high.
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2013-05-19T11:26:10 < dongs> do you think IF frequency of 36.15 is close enough to 36.167
2013-05-19T11:26:18 < dongs> that i'd at least be able to pick something up
2013-05-19T11:26:40 < Robint91> dongs, for?
2013-05-19T11:26:51 < dongs> tuner output to demod input
2013-05-19T11:27:10 < Robint91> dongs, could be? can't you trim the LO?
2013-05-19T11:27:20 < Robint91> also MHz/GHz/kHz?
2013-05-19T11:27:23 < dongs> mhz
2013-05-19T11:27:33 < dongs> ill try 36.15 and see what happens
2013-05-19T11:27:39 < dongs> demod by default wants 36.167 not sure why
2013-05-19T11:27:43 < dongs> dont wanna dick with that part yet
2013-05-19T11:28:02 < Robint91> 17kHz is quite a lot
2013-05-19T11:28:11 < Robint91> what is the BW?
2013-05-19T11:28:15 < dongs> 6-8mhz
2013-05-19T11:28:43 < Robint91> no problem
2013-05-19T11:29:49 < Robint91> dongs, video?
2013-05-19T11:29:59 < dongs> sure
2013-05-19T11:30:21 < Robint91> dongs, most demod have a AFC that corrects little frequency deviations
2013-05-19T11:30:52 < dongs> says +-900kHz for afc
2013-05-19T11:31:21 < dongs> looks like ill be ok then
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2013-05-19T11:31:59 < dongs> except ijust blew up i2c, time to reset
2013-05-19T11:34:48 < Robint91> sigh I need a spectrum analyser
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2013-05-19T13:17:56 < dongs> hm.
2013-05-19T13:18:46 < dongs> IF looks ok... i get sinewave @ around 35-36mhz
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2013-05-19T13:30:51 < dongs> fucking idiot who made schematic didnt name any of hte fucking nets
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2013-05-19T13:39:44 < Tectu> that's bad
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2013-05-19T14:06:04 < Tectu> fire him
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2013-05-19T15:15:06 < dongs> i wonder whose fucking idea it was to make chrome PDF searcher start highlighting shit as soon as ONE LETTER is typed
2013-05-19T15:27:15 < jpa-> does it get slow?
2013-05-19T15:27:35 < jpa-> if it is properly done in a different thread, it shouldn't matter that much
2013-05-19T15:28:26 < dongs> no its fucking horrible
2013-05-19T15:28:39 < dongs> huge PDF, ctrl+f, type F = fail
2013-05-19T15:28:50 < dongs> or any one letter, etc
2013-05-19T15:28:56 < dongs> it'll start furiously highlighting all of htem
2013-05-19T15:29:00 < jpa-> created by people with only < 50 page pdfs, obviously
2013-05-19T15:29:24 < jpa-> like the firefox switch to javascript based pdf reader.. open stm32 reference manual => 2 GB ram used
2013-05-19T15:29:35 < dongs> thats why i use adobe
2013-05-19T15:29:37 < dongs> acrobat
2013-05-19T15:29:39 < zyp> the firefox pdf reader is horrible
2013-05-19T15:31:08 < dongs> noone reads PDFs on PC anymore.
2013-05-19T15:31:15 < dongs> or PDFs, in general.
2013-05-19T15:31:48 < zyp> I find the chrome reader to be fine for small stuff, but I don't use it for larger documents due to lack of TOC
2013-05-19T15:31:59 < dongs> it doeesnt follow links right?
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2013-05-19T15:32:07 < dongs> or do yo mean like page index shit
2013-05-19T15:32:13 < dongs> like acrobutt has on the left
2013-05-19T15:32:13 < zyp> page index shit
2013-05-19T15:32:17 < zyp> yeah
2013-05-19T15:32:17 < dongs> useless.
2013-05-19T15:32:22 < dongs> how does htat help?
2013-05-19T15:32:41 < zyp> the index?
2013-05-19T15:32:43 < dongs> yea
2013-05-19T15:33:05 < zyp> well, how do you navigate the RMs and shit like that?
2013-05-19T15:33:19 < dongs> search i guess i duno
2013-05-19T15:33:25 < dongs> page previews in index are useless.
2013-05-19T15:33:34 < zyp> page previews? wtf
2013-05-19T15:33:40 < zyp> I'm talking about a proper TOC
2013-05-19T15:34:11 < jpa-> acrobat calls them "bookmarks" iirc
2013-05-19T15:34:40 < jpa-> firefox reader atleast has that, but you cannot resize the TOC bar.. so you only see the first 10 letters or so
2013-05-19T15:34:41 < zyp> http://bin.jvnv.net/f/a5Sb8.png <- like the thing on the left here
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2013-05-19T15:35:15 < dongs> uh
2013-05-19T15:35:21 < dongs> thats not part of PDF.
2013-05-19T15:35:24 < jpa-> it is
2013-05-19T15:35:25 < zyp> of course it is
2013-05-19T15:35:33 < zyp> any proper large PDF has one
2013-05-19T15:35:55 < zyp> and any decent PDF reader supports it, including acrobat reader
2013-05-19T15:36:02 < jpa-> even ms word knows how to generate a pdf doc, nowadays :P
2013-05-19T15:38:23 < dongs> dont thikn i ever used that shit in pdf
2013-05-19T15:38:27 < jpa-> lol
2013-05-19T15:38:28 < jpa-> fail
2013-05-19T15:38:54 < zyp> then you've wasted lots of time trying to find what you were looking for
2013-05-19T15:39:19 < jpa-> i couldn't imagine navigating a 1000 page pdf without TOC :P
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2013-05-19T15:56:11 < qyx_> uf, that text
2013-05-19T15:56:27 < qyx_> weirdly antialiased and unhinted
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2013-05-19T15:59:44 < dongs> you;'d almost think he's using lunix
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2013-05-19T16:16:58 < jpa-> qyx_: apple has blur, windows has aggressive hinting; it's old news  http://www.joelonsoftware.com/items/2007/06/12.html
2013-05-19T16:17:26 < jpa-> qyx_: but nowadays apple has enough resolution that it doesn't really look that blurry
2013-05-19T16:17:57 < jpa-> (it doesn't look blurry on my 160 dpi laptop screen either)
2013-05-19T16:31:54 < qyx_> hm, i have something in the middle
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2013-05-19T17:34:51 < Tectu> so, what are you folks up to?
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2013-05-19T17:41:44 <+Steffanx> Nothing they want to you to know Tectu :P
2013-05-19T17:42:00 < Tectu> ;)
2013-05-19T17:44:15 < Laurenceb_> http://www.amazon.co.uk/Making-Starships-Stargates-Interstellar-Exploration/dp/1461456223
2013-05-19T17:44:17 <+Steffanx> And you?
2013-05-19T17:45:11 < talsit> i got eclipse thingy "working"
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2013-05-19T17:51:35 < Tectu> spoiling: http://abload.de/img/notepad_prefinal2da5f.jpg
2013-05-19T17:52:33 <+Steffanx> paint4chibios ? :)
2013-05-19T17:53:18 < Tectu> :)
2013-05-19T17:53:27 < dongs> mspaint
2013-05-19T17:53:45 < dongs> tectu, making chibios more kawaii every day
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2013-05-19T17:57:13 < Tectu> doing windows shit just for you, honey
2013-05-19T17:58:19 <+Steffanx> I want a video Tectu .. to see how it actually works
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2013-05-19T17:58:42 < Tectu> Steffanx: as soon as the demo is in the repo
2013-05-19T17:58:49 <+Steffanx> No, now
2013-05-19T17:59:24 <+Steffanx> We are privileged to see (pre) alphas/betas
2013-05-19T18:01:00 < Tectu> naaaa
2013-05-19T18:01:17 < Tectu> you're afraid that I made the picture in photoshop and blited it over the screen? :)
2013-05-19T18:03:05 <+Steffanx> No, i just want to see if it actually is responsive etc. :)
2013-05-19T18:06:13 < Tectu> I'll get to you, when the time is ripe :)
2013-05-19T18:06:23 < Tectu> there's still stuff to do
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2013-05-19T18:34:39  * Tectu jabs jpa- 
2013-05-19T18:34:55 < dongs> its 'stabs'
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2013-05-19T18:35:33 < Tectu> it's not
2013-05-19T18:42:45  * jpa- jabs dongs 
2013-05-19T18:43:16 < Robint91> mhh my 1.2Ghz transverter for 144Mhz seems to work
2013-05-19T18:43:27 < Robint91> but my LO dirfts a lot
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2013-05-19T18:59:18 < Laurenceb_> Tectu: what do you use for demos?
2013-05-19T18:59:21 < Laurenceb_> hardware?
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2013-05-19T19:33:47 < Thorn> http://benkrasnow.blogspot.ca/2013/01/diy-x-ray-ct-scanner-controlled-by.html
2013-05-19T19:33:59 < Thorn> (guess what it is controlled by)
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2013-05-19T19:38:25 <+Steffanx> magix
2013-05-19T19:38:45 <+Steffanx> anywa,y must be a rpi or arduino
2013-05-19T19:38:49 <+Steffanx> and arduino it is :)
2013-05-19T19:43:38 < dongs> < Thorn> http://benkrasnow.blogspot.ca/2013/01/diy-x-ray-ct-scanner-controlled-by.html
2013-05-19T19:43:42 < dongs> pretty old news here bro
2013-05-19T19:44:14 < Laurenceb_> brohemian
2013-05-19T19:44:31 < Thorn> "Initially I wanted to stay in the garage and control everything by hand" <-- arduino user detected
2013-05-19T19:51:44 < dongs> when scoping IF +/- shits, do i get something close to IF output frequency + sinewave?
2013-05-19T19:52:01 < dongs> just to make sure this shit is sane
2013-05-19T20:02:06 < Robint91> dongs what are you trying to do?
2013-05-19T20:02:56 < dongs> to see if shit is working
2013-05-19T20:09:24 < dongs> wtf...
2013-05-19T20:12:42 < dongs> http://i.imgur.com/ybYZKx9.png this looks ok?
2013-05-19T20:12:56 < Robint91> dongs, video?
2013-05-19T20:13:08 < dongs> what do you mean video
2013-05-19T20:13:13 < dongs> no, its dvb-t2
2013-05-19T20:13:21 < Laurenceb_> wtf
2013-05-19T20:13:28 < dongs> this is 36mhz IF output
2013-05-19T20:13:32 < Laurenceb_> oh
2013-05-19T20:13:39 < Laurenceb_> after mixing with LO?
2013-05-19T20:13:48 < dongs> yeah sure
2013-05-19T20:13:55 < Laurenceb_> ok
2013-05-19T20:13:58 < Laurenceb_> looks sane
2013-05-19T20:13:59 < Laurenceb_> FFT it
2013-05-19T20:14:05 < Laurenceb_> that scope will do it nicely
2013-05-19T20:14:09 < dongs> oh, right, lemme try that
2013-05-19T20:14:17 < dongs> fft which channel? just any?
2013-05-19T20:14:18 < dongs> or both
2013-05-19T20:14:49 < Laurenceb_> i dont know if it can input one channel as imaginary
2013-05-19T20:14:51 < Laurenceb_> i doubt it
2013-05-19T20:15:28 < dongs> ok
2013-05-19T20:15:32 < dongs> what should i see
2013-05-19T20:15:53 < Laurenceb_> carrier at 32mhz
2013-05-19T20:16:02 < Laurenceb_> then square blocks of dvbt either side
2013-05-19T20:18:55 < dongs> http://i.imgur.com/WJ6ViBo.png\
2013-05-19T20:18:58 < dongs> http://i.imgur.com/WJ6ViBo.png so like this?
2013-05-19T20:23:15 < Laurenceb_> yeah looks perfect
2013-05-19T20:23:46 < dongs> hm
2013-05-19T20:24:08 < dongs> what would cause same shit to get referenced around 3.3V
2013-05-19T20:24:09 < dongs> instead of 0
2013-05-19T20:24:15 < dongs> that would make shit break, right?
2013-05-19T20:24:46 < dongs> it goes through some cap/coil filter  trash and at the end of that both are at 3.3V levels  jumping around
2013-05-19T20:25:12 < dongs> ADC input voltage range Differential 2 V[p-p]/1.5 V[p-p]/1 V[p-p]
2013-05-19T20:25:13 < dongs> hmm
2013-05-19T20:25:19 < dongs> making it 3.3 would def fuck everything
2013-05-19T20:25:21 < dongs> no wonder it doesnt work
2013-05-19T20:25:36 < Laurenceb_> something wrong with network of passives?
2013-05-19T20:26:09 < dongs> yeah, it seems
2013-05-19T20:26:13 < dongs> but its pretty hard to fuck that up
2013-05-19T20:27:02 < dongs> its just cap, coil, cap
2013-05-19T20:27:07 < dongs> and near demod there's a cap a cross p/n
2013-05-19T20:31:21 < dongs> http://i.imgur.com/xcwFDyH.png this is what i get at the ADC in pin
2013-05-19T20:32:04 < dongs> its all at zero until the last cap,  then cap->ADC becomes that
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2013-05-19T20:33:22 < dongs> This pin inputs the IF signal (analog). Because a DC bias voltage is generated inside the LSI, input should be via
2013-05-19T20:33:26 < dongs> external capacitive coupling.
2013-05-19T20:33:28 < dongs> wat
2013-05-19T20:33:46 < dongs> so the offset is normal?
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2013-05-19T20:36:44 < dongs> the fuck is this not working hten
2013-05-19T20:36:46 < dongs> piece of shit
2013-05-19T20:37:09 <+Steffanx> boooh
2013-05-19T20:38:06 < dongs> ya fuck this
2013-05-19T20:38:09 < dongs> 2.30am
2013-05-19T20:38:20 <+Steffanx> gn :)
2013-05-19T20:52:16 < BJfreeman> dongs look like grounding or ground loop
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2013-05-19T23:26:01 < jmunsch> how do I flash the code to the board? I am using ubuntu 12.14. I see all kinds of wonderful examples online for the code, but I am wondering how I would go about flashing that code to the board over the usb cable???
2013-05-19T23:27:04 < jmunsch> i've been perusing here : http://libopencm3.github.io/docs/latest/stm32f4/html/files.html
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2013-05-19T23:27:29 < jmunsch> and here : https://launchpad.net/gcc-arm-embedded
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2013-05-19T23:34:40 <+Steffanx> Last time.. :)
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2013-05-20T02:49:53 < dongs> sup dongs
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2013-05-20T04:18:19 < BJfreeman> decided to get a desktop CNC for doing proto boards
2013-05-20T04:21:44 < flop> anyone use gEDA?
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2013-05-20T04:35:03 < dongs> BJfreeman: what a waste
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2013-05-20T05:05:45 < emeb_mac> flop: I use gEDA.
2013-05-20T05:06:05 < flop> how does that compare to kicad?
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2013-05-20T05:14:00 < dongs> i think they're both equally opensores and shit.
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2013-05-20T08:05:11 < flop> dongs: if they are shit, what do you use then?
2013-05-20T08:06:25 < dongs> i use closedsource commercial pcb cad
2013-05-20T08:06:29 < dongs> diptrace, altium
2013-05-20T08:12:28 < jpa-> can the debugger, through SWD, somehow set the processor to a state where it does not react to NRST?
2013-05-20T08:12:39 < jpa-> even after the debugger is disconnected
2013-05-20T08:12:53 < jpa-> had to turn off the power to get it to reset
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2013-05-20T08:22:49 < R2COM> anyone used to interface stm32 to macronix or Micron SPI flash memories?
2013-05-20T08:24:43 < R2COM> most of them are usually like that: WRITE COMMAND, then ADDRESS bytes, then DATA bytes
2013-05-20T08:24:55 < R2COM> and I am just wondering if sending dummy command messes things up for my memory
2013-05-20T08:25:12 < R2COM> since I cannot get data being read or written
2013-05-20T08:25:33 < R2COM> although, I can read its chipID, or set its WriteEnable, and then read the Status register
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2013-05-20T08:31:20 < dongs> all SPI flash is basically same, some just invent extra vendor commands to fuck you up
2013-05-20T08:31:33 < talsit> zlog
2013-05-20T08:31:33 < zlog> talsit: Log stored at http://tom-itx.dyndns.org:81/~tom-itx/irc/logs/%23%23stm32/2013-05-20.html
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2013-05-20T08:31:59 < talsit> or not
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2013-05-20T08:36:15 < R2COM> the thing is, I am sending COmmand, then 3 bytes of address one by one, then 256 bytes as a page one after another,  then perform read command and I read crap
2013-05-20T08:36:28 < R2COM> (I do read status register in between to make sure write is complete)
2013-05-20T08:36:35 < dongs> ok, was just asking that
2013-05-20T08:36:49 < R2COM> address in write and read commands is three Zero bytes
2013-05-20T08:36:54 < R2COM> i.e. beginning address
2013-05-20T08:37:46 < R2COM> only one thing for me is a bit different, since I check the RXNE, in-between of byte send, my clock freezes on High, but that shouldnt be problem for SPI devices in general
2013-05-20T08:38:09 < R2COM> I was just curious what is it there what my memory chip doesnt like
2013-05-20T08:38:36 < R2COM> I was thinking its the fact that when I read byte after byte in a for loop, I send dummy *read status reg.* command, maybe that one..
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2013-05-20T08:38:47 < R2COM> but it does similar stuff with other commands
2013-05-20T08:39:01 < R2COM> (however, I must send something to make SCK toggle during read)
2013-05-20T08:39:22 < R2COM> for example, I did not have trouble reading ID bytes, 3 bytes one after another in similar fashion
2013-05-20T08:39:30 < R2COM> so not sure why it cant write/read page with that
2013-05-20T08:39:38 < R2COM> I am simply sending PP (page program) command to it
2013-05-20T08:47:07 < jpa-> just check with a logic analyzer what goes wrong?
2013-05-20T08:47:23 < R2COM> I do have scope hooked to it
2013-05-20T08:47:33 < R2COM> what wrong is, I just get not the values I written
2013-05-20T08:47:55 < jpa-> capture waveforms to file, compare them
2013-05-20T08:48:59 < R2COM> what that would be for?
2013-05-20T08:49:20 < R2COM> as I said, the chip responds
2013-05-20T08:49:28 < R2COM> its not like there is no response and I not sure why
2013-05-20T08:49:39 < R2COM> it responds to commands, and gives me data, but wrong data
2013-05-20T08:50:20 < jpa-> i bet you are doing some silly small mistake, like sending the write command wrong
2013-05-20T08:50:57 < R2COM> yes there definitely is some catch, just trying to figure out which
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2013-05-20T10:41:24 < PaulFertser> jpa-: having to power-cycle might also mean "latch-up". Are you sure you didn't have some pin connected to an inappropriate voltage source or something?
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2013-05-20T10:50:35 < Robint91> hi all
2013-05-20T10:50:49 < Robint91> is usb mini B connector obsolete?
2013-05-20T10:53:26 < dongs> http://www.alibaba.com/product-free/132187014/TArduino_self_learning_kit.html
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2013-05-20T11:03:35 < Robint91> dongs?
2013-05-20T11:03:48 < Robint91> dongs, did you get it working? your DVB-T?
2013-05-20T11:05:05 < dongs> no, still fucked. asking vendor for what proper register shit should be for this
2013-05-20T11:07:52 < R2COM> hmmm what a shit
2013-05-20T11:07:57 < R2COM> this simple thing has to work
2013-05-20T11:08:26 < jpa-> PaulFertser: it was just sitting on my table, when suddenly many IO pins changed to random levels and the CPU stopped responding
2013-05-20T11:08:46 < jpa-> it was connected to stlinkv2, but no program on the PC was using it
2013-05-20T11:09:22 < jpa-> no perceptible heat on the cpu
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2013-05-20T11:34:13 < R2COM> Ok
2013-05-20T11:34:18 < R2COM> rewrote all functions
2013-05-20T11:34:22 < R2COM> have *some* success
2013-05-20T11:34:32 < R2COM> basically I am writing 256 bytes (known bytes)
2013-05-20T11:34:38 < R2COM> and want to read all of them again
2013-05-20T11:34:51 < R2COM> strange thing now is, that it once worked..
2013-05-20T11:35:01 < R2COM> for example I wrote 256 bytes all of values 0xb7
2013-05-20T11:35:05 < R2COM> then I read all of them
2013-05-20T11:35:15 < R2COM> I read 0xb7 as well (also whcked on scope )
2013-05-20T11:35:35 < R2COM> later, I decided not to touch anything, but just change that code to write 0xe4 for example
2013-05-20T11:35:43 < R2COM> however... I read it all as 0xa4 !!
2013-05-20T11:35:59 < R2COM> then... I decided to go back, and write/read 0xb7 again
2013-05-20T11:36:06 < R2COM> and I again read 0xa4 !
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2013-05-20T11:36:35 < R2COM> all 256 bytes being read are same now, not like they were random before
2013-05-20T11:36:41 < R2COM> but its still not quite works robustly
2013-05-20T11:36:45 < R2COM> not sure why yet
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2013-05-20T11:38:07 < talsit> with stm32f4, using EXTI, can i find out which exact pin generated the interrupt?
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2013-05-20T11:54:38 < dongs> uh, sure?
2013-05-20T11:55:03 < dongs> as long as its GPIOA/B/C/D/E/whaetver_PinX that's the EXTI pin
2013-05-20T11:55:15 < dongs> the only other way is checking if pin is still down in exti handler
2013-05-20T11:56:42 < talsit> i thought that all GPIOX_Pin0 is sent to EXTI0
2013-05-20T11:57:07 < talsit> so how to tell apart whether it's PA0 or PB0 or PC0?
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2013-05-20T12:00:28 < dongs> you dont
2013-05-20T12:00:34 < talsit> ah...
2013-05-20T12:00:44 < talsit> hence my confusion in reading the datasheets
2013-05-20T12:01:19 < talsit> then EXTI isn't all that useful, if you have to then check individual pin statuses and track that yourself, is it?
2013-05-20T12:01:29 < dongs> thats not its purpose
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2013-05-20T12:01:46 < talsit> then what is its purpose?
2013-05-20T12:01:56 < dongs> external trigger interrupt
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2013-05-20T12:02:35 < talsit> yep, but what would be the typical usage of that?
2013-05-20T12:03:37 < dongs> something you dont need to sample >16 of
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2013-05-20T12:03:52 < dongs> stuff like limit switches, some kinda interrupt source, etc
2013-05-20T12:04:14 < talsit> ok, so, say i have a 2 buttons, on PA0 and PA1
2013-05-20T12:04:35 < talsit> and that's all the buttons i want to check
2013-05-20T12:04:38 < talsit> they hook up to EXTI0 and EXTI1
2013-05-20T12:05:07 < dongs> sure
2013-05-20T12:05:14 < dongs> isnt there separate irq for exti0 and 1?
2013-05-20T12:05:19 < talsit> if I set interrupt handlers on that, in the interrupt handler for EXT0, i would just need to check if PA0 is set or not, right?
2013-05-20T12:05:31 < dongs> well you might want to debounce and shit
2013-05-20T12:05:54 < talsit> (i'm doing hardware debounce, i've tested it and it kinda looks decent)
2013-05-20T12:06:01 < dongs> what harwdare debounce
2013-05-20T12:06:09 < talsit> 2 resistors and a cap
2013-05-20T12:06:23 < dongs> lol
2013-05-20T12:06:40 < talsit> :(
2013-05-20T12:06:57  * talsit is scared of dongs' "lol"
2013-05-20T12:08:04 < talsit> ok, another question, say i have on PE1 the CS for my screen
2013-05-20T12:08:16 < talsit> will that also trigger EXT1?
2013-05-20T12:08:22 < talsit> even if i'm driving it?
2013-05-20T12:09:46 < dongs> no of course not
2013-05-20T12:09:53 < dongs> only if you enable  exti for that line and enable its interrupt..
2013-05-20T12:10:12 < dongs> there's exticonfigure shit
2013-05-20T12:10:18 < dongs> which  links gpio/pin -> line?
2013-05-20T12:10:19 < talsit> which, if I enable for PA1, doesn't it do that?
2013-05-20T12:10:22 < dongs> no
2013-05-20T12:10:33 < talsit> aren't all PX1 linked to the same one?
2013-05-20T12:10:53 < dongs>     GPIO_EXTILineConfig(GPIO_PortSourceGPIOA, GPIO_PinSource0);
2013-05-20T12:10:58 < dongs> source GPIOA
2013-05-20T12:11:04 < dongs> pin0
2013-05-20T12:11:24 < dongs> so B/C/D/E pin0 is unaffected
2013-05-20T12:16:29 < talsit> hmmmm... i think i'm getting it
2013-05-20T12:16:31 < talsit> thanks heaps
2013-05-20T12:17:00 < talsit> so, best practice, if you want to use EXTI, is to place all sources on different pin numbers so you can have an ISR for each?
2013-05-20T12:17:19 < dongs> totally depends on what youre using it for but sure. thats how i did it when I needed the functionality
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2013-05-20T12:31:50 < talsit> ah!! i get it now, thanks :)
2013-05-20T12:32:16 < talsit> now off to see _why_ it's not working
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2013-05-20T12:56:44 < talsit> baka!
2013-05-20T12:57:29 < talsit> oh look at that, my buttons are on PA0 & PA1 not PA0 & PB1
2013-05-20T12:58:55 < talsit> i have a feeling that will stuff things up
2013-05-20T12:59:15 < talsit> especially since on PB1 i had an LED that was triggered by the EXT0 on PA0...
2013-05-20T13:07:09 < Laurenceb> http://kt5tk.wordpress.com/2013/05/14/pecanpico3/
2013-05-20T13:16:06 < dongs> > atmel
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2013-05-20T13:59:56 < Laurenceb> http://www.itv.com/news/central/2012-06-27/miners-lives-made-safer-thanks-to-penny-sized-technology/
2013-05-20T14:00:06 < Laurenceb> meanwhile at fail academy
2013-05-20T14:02:42 < Laurenceb> "yes, the miner is still alive"
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2013-05-20T14:44:25 < dongs> http://news.images.itv.com/image/file/52879/article_cc4b7d013147e8dc_1340810841_9j-4aaqsk.jpeg jaja
2013-05-20T14:50:57 <+Steffanx> Dongs finally appreciates his dusty shed.
2013-05-20T14:51:27 <+Steffanx> *shack
2013-05-20T15:02:07 -!- PT_Dreamer [~quassel@99.138.37.188.rev.vodafone.pt] has joined ##stm32
2013-05-20T15:05:36 < Laurenceb> http://news.images.itv.com/image/file/52876/article_e7d97b47c3b3e68a_1340810773_9j-4aaqsk.jpeg
2013-05-20T15:05:41 < Laurenceb> cool sellotape
2013-05-20T15:06:18 <+Steffanx> Who gives a shit?
2013-05-20T15:08:05 -!- PT_Dreamer [~quassel@99.138.37.188.rev.vodafone.pt] has quit [Ping timeout: 248 seconds]
2013-05-20T15:11:00 < Laurenceb> noone
2013-05-20T15:11:05 < Laurenceb> thats the point
2013-05-20T15:11:28 < Laurenceb>  == everyone laughs and fail business plan failz
2013-05-20T15:11:42 <+Steffanx> ok whatever
2013-05-20T15:12:10 <+Steffanx> I guess I missed the point of your point :P
2013-05-20T15:12:32 < Laurenceb> we could make something useful, like wifi triangulation
2013-05-20T15:12:43 < dongs> wifi blogulation
2013-05-20T15:12:44 < Laurenceb> but no, its fail all the way down
2013-05-20T15:13:25 < Laurenceb> <Tectu> noeth3r my love
2013-05-20T15:13:25 < Laurenceb> <Tectu> how are you, sweet darling?
2013-05-20T15:13:26 < Laurenceb> wut
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2013-05-20T15:15:21 < Tectu> what now?
2013-05-20T15:23:40 <+Steffanx> Laurenceb finished his thesis i think Tectu. So he as time to annoy you again.
2013-05-20T15:24:06 < Tectu> so who's that «Laurenceb» you're talking about? :P
2013-05-20T15:24:32 <+Steffanx> You dont want to know
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2013-05-20T17:14:07 < dongs> lol
2013-05-20T17:14:12 < dongs> my pcb scamco got spam from china pcb place
2013-05-20T17:14:15 < dongs> Glad to send you this email , this is Nicky from  Hong Kong Longer International Limited, we are one PCB exporter from Shenzhen, China.
2013-05-20T17:14:18 < dongs> Our goal is do our best to guarantee with the reliable quality and after-sale service, above all, saving your cost and improving your business if we are fortunately to be your supplier and business partner.
2013-05-20T17:14:30 < dongs> how the fuck do you get a job being a PCB exporter
2013-05-20T17:14:40 < dongs> unless they're talkin about liek raw FR4
2013-05-20T17:18:17 <+Steffanx> chinlish .. nuff said
2013-05-20T17:19:14 < Tectu> don't you know mitch from hackvana? he moved to shezhen to export PCBs
2013-05-20T17:19:29 < Tectu> he left his wife and his kids back home in australia
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2013-05-20T17:34:05 < dongs> attn Laurenceb One apparatus can take out an output terminal from front and rear, right and left and
2013-05-20T17:34:08 < dongs> every direction.
2013-05-20T17:37:00 < gxti> hong kong longer. can't make that shit it up.
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2013-05-20T17:39:16 < dongs> seriosuly.
2013-05-20T17:41:19 < Tectu> that UK people... http://www.youtube.com/watch?v=WjpQexdcybs
2013-05-20T17:41:24 < Tectu> attn Laurenceb ^
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2013-05-20T17:42:15 < dongs> i spot Laurenceb in there
2013-05-20T17:42:29 < dongs> https://youtube.com/watch?v=WjpQexdcybs#t=45s
2013-05-20T17:44:39 < Tectu> also spotted Laurenceb's desktop: http://img.pr0gramm.com/2013/05/mpbe5bw.jpg
2013-05-20T17:44:47 < Tectu> using HP shit
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2013-05-20T18:40:45 < Robint91> Tectu, don't repost reddit -_-
2013-05-20T18:41:00 < Tectu> will do
2013-05-20T18:41:00 < Tectu> cu
2013-05-20T18:41:43 < dongs> FUCK REDDITR; REDDITR SUX; REDDITR IS DYING; REDDITR IS DEAD TO ME; REDDITR HIT WTC
2013-05-20T18:41:54 < dongs> er,,
2013-05-20T18:41:56 < dongs> FUCK REDDIT; REDDIT SUX; REDDIT IS DYING; REDDIT IS DEAD TO ME; REDDIT HIT WTC
2013-05-20T18:42:00 < talsit> ?
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2013-05-20T18:45:31 < Luggi09> hmm does anyone have an example for stm32 where the adc and dma are used to store samples in a buffer when triggered ? I'm trying to implement a goertzel algo to detect ctcss tones and I'm not really familiar with that adc and dma stuf on the stm
2013-05-20T18:45:42 < Luggi09> *stuff
2013-05-20T18:47:35 < Robint91> Luggi09, yeah
2013-05-20T18:48:44 < emeb> o FFS - setting up ADC DMA isn't that hard. Look at the examples in the StdPeriph libs and go from there.
2013-05-20T18:49:13 < Robint91> Luggi09, https://gist.github.com/anonymous/5613117
2013-05-20T18:49:24 < Robint91> Luggi09, DUAL ADC to DMA
2013-05-20T18:49:36 < Robint91> triggered to a timer @ 16ksps
2013-05-20T18:49:44 < Robint91> this wil fire two interrupts
2013-05-20T18:49:55 < Robint91> DMA full buffer and half buffer
2013-05-20T18:50:03 < Robint91> also the DMA is configured as circular
2013-05-20T18:50:04 < dongs> emeb t o the rescue
2013-05-20T18:50:14 < dongs> tellin them like it is
2013-05-20T18:50:22  * emeb is not as helpful as Robint91
2013-05-20T18:50:28 < Luggi09> Robint91: thanks, that looks useful :)
2013-05-20T18:50:56 < Robint91> Luggi09, if you want to use 256 sample to do your calculation on
2013-05-20T18:51:09 < Robint91> you need to see that you have the double size buffer
2013-05-20T18:51:21 < Robint91> also this is for a F4
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2013-05-20T18:51:53 < emeb> I really ought to try setting up the SDADC on an F373 to do audio processing.
2013-05-20T18:52:21 < Robint91> I'm using this to do sound source location
2013-05-20T18:52:32 < emeb> nifty! Does it work?
2013-05-20T18:52:37 < Robint91> emeb, yep
2013-05-20T18:52:50 < emeb> how many channels?
2013-05-20T18:52:51 < Rickta59> on a rocket launcher?
2013-05-20T18:52:52 < dongs> sound source?
2013-05-20T18:53:03 < Robint91> emeb, stereo still
2013-05-20T18:53:04 < dongs> spy shit?
2013-05-20T18:53:39 < emeb> Robint91: I assume you have no front/back ambiguity?
2013-05-20T18:53:46 < Robint91> emeb, only heading
2013-05-20T18:54:27 < Robint91> emeb, https://gist.github.com/anonymous/5613173
2013-05-20T18:54:49 < emeb> Robint91: did you see the announcement of that audio/video device that maps the source of a sound onto a video image?
2013-05-20T18:54:59 < dongs> was it on dickstarter??
2013-05-20T18:55:01 < Robint91> emeb, no?
2013-05-20T18:55:40 < emeb> has a 5-arm spiral array of mics with a video cam in the center. puts a color-temp hotspot on the video stream.
2013-05-20T18:56:05 < Robint91> emeb, nice
2013-05-20T18:56:06 < emeb> don't remember where I saw it - sometime in the last week or so.
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2013-05-20T19:05:19 < Laurenceb> http://hackaday.com/2013/05/20/uk-hackerspace-builds-mobile-spaceship-disaster-simulator/#comments
2013-05-20T19:05:26 < Laurenceb> disaster simulator?
2013-05-20T19:05:29 < Laurenceb> i call it work
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2013-05-20T19:22:25 < Laurenceb> with the F1 usb st periph lib drivers, does "UNCONNECTED" mean no bus attached?
2013-05-20T19:22:33 < Laurenceb> for device_state
2013-05-20T19:24:39 < Robint91> Laurenceb, I think so
2013-05-20T19:24:55 < Laurenceb> i see
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2013-05-20T19:25:07 < Laurenceb> windows 7 was failing with some of my loggers
2013-05-20T19:25:33 < Laurenceb> looks like i need to let it leave usb in any state accept UNCONNECTED
2013-05-20T19:25:58 < Laurenceb> while it fails trying to install drivers for a mass storage device
2013-05-20T19:26:01 < Laurenceb> so much fail
2013-05-20T19:26:38 < Laurenceb> http://news.slashdot.org/story/13/05/20/1550222/over-100-hours-of-video-uploaded-to-youtube-every-minute
2013-05-20T19:26:47 < Laurenceb> " 1,000 companies worldwide have mandated a one-hour mid-day break to watch nothing but funny YouTube videos. "
2013-05-20T19:26:49 < Laurenceb> WTF
2013-05-20T19:27:03 < qyx_> lol
2013-05-20T19:27:38 < Laurenceb> https://github.com/Laurenceb/STM32-Logger/blob/master/main.c#L80  <- that works
2013-05-20T19:28:04 < Laurenceb> erm wtf
2013-05-20T19:28:39 < Laurenceb> should read bDeviceState == UNCONNECTED
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2013-05-20T19:33:43 < Robint91> sigh
2013-05-20T19:34:37 <+Steffanx> It's what you get for copy pasta Laurenceb ( looking at the spaces  :P)
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2013-05-20T19:39:44 < Robint91> that CODE IS HORROR
2013-05-20T19:41:32 < Robint91> Laurenceb, basic finite state machine, events, and function pointers would clean this up a lot
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2013-05-20T20:55:52 < qyx_> F107 for 18.66e?
2013-05-20T20:55:57 < qyx_> wtf farnell
2013-05-20T20:56:12 < Robint91> qyx_, digikey?
2013-05-20T20:56:44 < qyx_> expensive shipping :S
2013-05-20T20:58:06 < Robint91> qyx_, free above 65€
2013-05-20T20:58:29 < qyx_> hmm
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2013-05-20T21:02:08 < Rickta59> on the stm32f0 chips is there a way to out the systemclock?
2013-05-20T21:12:08 < gxti> Rickta59: search for MCO
2013-05-20T21:12:19 < Rickta59> thanks i found it
2013-05-20T21:12:34 < gxti> qyx_: lol, that's double what digikey charges and that's already double wholesale price
2013-05-20T21:12:41 < gxti> in dollars anyway
2013-05-20T21:13:05 < qyx_> they were for 5.6e, i don't know why they tripled the price
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2013-05-20T22:11:00 < Laurenceb_> trollo
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--- Day changed Tue May 21 2013
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2013-05-21T00:12:55 < Laurenceb_> http://pastebin.com/RgWvYRDf
2013-05-21T00:12:59 < Laurenceb_> meanwhile on irc
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2013-05-21T00:24:15 < Robint91> Oh Laurenceb_
2013-05-21T00:24:32 < Robint91> sometimes I wonder how do you gotten that PhD
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2013-05-21T00:27:51 < Laurenceb_> log is from ##physics
2013-05-21T00:28:24 < Robint91> Laurenceb_, on freenode?
2013-05-21T00:28:38 < Laurenceb_> yup
2013-05-21T00:28:53 < Robint91> Laurenceb_, OH GOD
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2013-05-21T02:26:14 < dongs> http://www.engadget.com/2013/05/20/arduino-yun-weds-arduino-wifi-and-linux-at-maker-faire-2013/ its like 3 of the most worthless things, in one package.
2013-05-21T02:27:43 < Laurenceb_> wtf
2013-05-21T02:27:54 < Laurenceb_> oh rofl
2013-05-21T02:28:01 < Laurenceb_> mips is doing the actual work
2013-05-21T02:28:43 < dongs> http://www.blogcdn.com/www.engadget.com/media/2013/05/arduinoyn04.jpg whats this trash on the bottom
2013-05-21T02:29:08 < dongs> lol @ w2eird angled caps
2013-05-21T02:30:38 < emeb> I wonder if they do that just to catch copycats.
2013-05-21T02:34:25 < dongs> why? is it hard to dicknplace shit at an angle or something?
2013-05-21T02:34:27 < dongs> even mine does it
2013-05-21T02:35:09 < emeb> no, but if they do things like that for no apparent reason, and then they spot it in 3rd-party knock-offs they might have some sort of copyright claim.
2013-05-21T02:35:52 < dongs> who gives a fuck about cloning tarduino anyway
2013-05-21T02:36:04 < dongs> HAI LOOK UR CAPS ARE NOT TILTED, YOU MUST BE CLONING US
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2013-05-21T02:41:56 < Laurenceb_> its for POE
2013-05-21T02:42:05 < Laurenceb_> they failed with layout
2013-05-21T02:42:09 < Laurenceb_> and had to angle it
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2013-05-21T02:47:19 < inca> does anyone know how to get lwip's debug macro to print?
2013-05-21T02:48:03 < inca> in particular, what LWIP_PLATFORM_DIAG gets defined to
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2013-05-21T02:50:16 < inca> ah… the brackets, of course, how could I be so silly
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2013-05-21T03:20:20 < dongs> http://blog.arduino.cc/wp-content/uploads/2013/05/Arduino_Yun.jpg heres a better pic of the bottom
2013-05-21T03:20:24 < dongs> still cant figure out wtf chip that is
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2013-05-21T03:48:16 < gxti> diagonal mounting holes, classy
2013-05-21T03:48:45 < dongs> i wonder if htey kept the retarded pin spacing
2013-05-21T03:48:51 < dongs> i guess they did
2013-05-21T03:49:00 < dongs> singature of newbage
2013-05-21T03:49:05 < gxti> it's arduino of course they kept the retarded pin spacing
2013-05-21T03:49:28 < gxti> what's even more amusing is i've seen that diagonal PoE module footprint before, i think it's on the ethernet shield too
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2013-05-21T03:52:06 < dongs> haha
2013-05-21T03:52:17 < dongs> gxti: well, they did say its developed together wiht some company that knows tarduino shields
2013-05-21T03:52:24 < dongs> might have bene same one that developed ethernet shield?
2013-05-21T03:52:49 < zyp> dongs, chip looks like usb host controller, it's hooked to the host port
2013-05-21T03:52:53 < dongs> http://arduino.cc/en/uploads/Main/ArduinoEthernetShield_R3_Back.jpg
2013-05-21T03:52:59 < dongs> zyp: oh hm
2013-05-21T03:53:03 < gxti> lean wit it
2013-05-21T03:53:09 < zyp> pinout doesn't match the ftdi vinculum chips, so I don't know what it is
2013-05-21T03:55:29 < dongs> maybe its a propeller
2013-05-21T03:55:57 < gxti> that would be appropriate
2013-05-21T03:55:59 < dongs> it almost looks liek a ftdi?
2013-05-21T03:56:02 < dongs> the logo anyway
2013-05-21T03:56:11 < gxti> and you can put an electric imp in the SD slot
2013-05-21T03:56:16 < dongs> hm wait no
2013-05-21T03:56:17 < gxti> for maximum stupidity
2013-05-21T03:56:44 < dongs> ive seen that logo before
2013-05-21T04:20:22 < upgrdman> anyone here played with the gyro/accel/magn sensors on the f3disco board? i dont plan to get an f3 board, but the sensors look like they might be a good match for a robot project
2013-05-21T04:20:51 < dongs> ya thres people who cloned some opensauce flight software to run on F3
2013-05-21T04:21:07 < dongs> http://www.rcgroups.com/forums/showthread.php?t=1747112  etc
2013-05-21T04:21:09 < upgrdman> the sensors seem really cheap for 16bits
2013-05-21T04:21:20 < dongs> they'ere not cheap, ST is just giving htem away
2013-05-21T04:21:26 < upgrdman> really?
2013-05-21T04:21:32 < dongs> um obviously?
2013-05-21T04:21:49 < upgrdman> the sensors themselves. not the dev board
2013-05-21T04:22:04 < upgrdman> they like $6 each in for qty1. seems really cheap for 16bits
2013-05-21T04:22:12 < dongs> nah thats normal
2013-05-21T04:22:18 < dongs> also thats expensive
2013-05-21T04:22:21 < upgrdman> anal devices wants like $40
2013-05-21T04:22:29 < dongs> MPU6050 for example just recently dropped to $7 for acc+gyro combo
2013-05-21T04:22:35 < dongs> in /ea qty
2013-05-21T04:22:55 < dongs> well, anal devices has reasons to charge $$
2013-05-21T04:23:04 < dongs> shit from ST/invensense is for high volume mobile stuff
2013-05-21T04:23:12 < dongs> so it is cheap (but crap specs)
2013-05-21T04:23:31 < dongs> what good is 16bits adc if you get 8 bits of noise on the bottom, that kinda thing
2013-05-21T04:24:18 < dongs> Manufacturer Part NumberMT48LC16M16A2P-6A:D TR
2013-05-21T04:24:19 < dongs> StatusObsolete
2013-05-21T04:24:19 < dongs> aww
2013-05-21T04:24:30 < dongs> zyp: your sdram from LPC boart is obsolete
2013-05-21T04:25:05 < upgrdman> hmmm
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2013-05-21T04:32:13 < dongs> wat
2013-05-21T04:40:45 < upgrdman> dongs: what would you use for power supply caps on a mcu board... tants?
2013-05-21T04:41:02 < upgrdman> i use tants but people freak out about risk of fire
2013-05-21T04:41:21 < gxti> how much capacitance?
2013-05-21T04:41:31 < upgrdman> hundreds of uF
2013-05-21T04:41:48 < gxti> alum or poly probably
2013-05-21T04:42:05 < gxti> polymer that is, not PP
2013-05-21T04:42:33 < gxti> tants seem useless unless you need really compact
2013-05-21T04:42:35 < dongs> yeah i just use panasonic FC or whateer stuff.
2013-05-21T04:44:02 < dongs> http://i.imgur.com/DzUn2YI.jpg speaking of lunix
2013-05-21T04:44:36 < upgrdman> wow
2013-05-21T04:44:45 < upgrdman> what do you guys use for <1A regs? 1117?
2013-05-21T04:44:54 < gxti> yep.
2013-05-21T04:45:13 < gxti> cheap and comes in lots of different packages.
2013-05-21T04:47:12 < dongs> i use richtek for ldo, and i got some siwtchers I use depending on wahts needed
2013-05-21T04:47:25 < dongs> but majority of my shit is < 5V
2013-05-21T04:47:56 < gxti> my current ntp server thing has wide input range (9-36V), murata switcher module to bring it to 5V, then AP1117D to get 3.3V
2013-05-21T04:48:10 < gxti> need 5V for antenna power othewise murata also has a 3.3V version
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2013-05-21T04:50:21 < dongs> yeah i used some murata okl or oki or something module
2013-05-21T04:50:25 < dongs> did you use the 7805 compatible shiz?
2013-05-21T04:50:28 < dongs> or LGA type
2013-05-21T04:50:29 < R2COM> my memory worked
2013-05-21T04:50:55 < R2COM> by the way
2013-05-21T04:51:07 < dongs> what was wrong
2013-05-21T04:51:19 < R2COM> I had to erase sector before write
2013-05-21T04:51:23 < dongs> oh
2013-05-21T04:51:24 < R2COM> kind of missed it
2013-05-21T04:51:27 < dongs> yeah.
2013-05-21T04:51:55 < R2COM> + better synchronization of TXE/RXNE checking, tweaked all functions
2013-05-21T04:52:00 < dongs> did you notoice you didnt have to raise cs precisely at byte transfer boundary?
2013-05-21T04:52:06 < R2COM> right.
2013-05-21T04:52:52 < R2COM> I see there are not much FLASH memories available with SPI interface with >1Gbit
2013-05-21T04:52:54 < gxti> reminds me, i need to dust off my power meter project and figure out why my SPI flash data wasn't being written correctly
2013-05-21T04:52:58 < R2COM> and which can work under -40C
2013-05-21T04:53:24 < R2COM> the one I'll be using is 256Mbit (32MBytes)
2013-05-21T04:53:30 < dongs> http://www.murata-ps.com/data/meters/mpm_78sr-2a_a00.pdf
2013-05-21T04:53:32 < R2COM> the one I messed with yesterday
2013-05-21T04:53:44 < dongs> R2COM: um, in SO8 or something package?
2013-05-21T04:53:54 < dongs> isnt that just too big to fit?
2013-05-21T04:54:14 < gxti> dongs: something like that
2013-05-21T04:54:18 < R2COM> I also was thinking maybe to buy this one: http://www.digikey.com/product-detail/en/N25Q00AA13GSF40G/557-1571-5-ND/3874275
2013-05-21T04:54:19 < gxti> slightly different model
2013-05-21T04:54:42 < R2COM> theres this package for it too: http://www.digikey.com/product-detail/en/N25Q00AA13G1240E/557-1557-ND/3874273
2013-05-21T04:55:13 < dongs> fuck i hate sites taht make you download the datasheet
2013-05-21T04:55:16 < dongs> instead of viewing it inline
2013-05-21T04:55:30 < R2COM> yeah
2013-05-21T04:55:40 < R2COM> its micron part, gotta be a good one
2013-05-21T04:55:49 < dongs> why it has 16 pins if its SPI
2013-05-21T04:55:51 < dongs> are most unused?
2013-05-21T04:56:02 < dongs> i hope thats some standard pinout, so you can replace it with others when micron goes tits up
2013-05-21T04:56:21 < R2COM> haha
2013-05-21T04:56:35 < dongs> i just got email from digikey with pcn for some micron sdram
2013-05-21T04:56:39 < dongs> apparently its obsolete now
2013-05-21T04:56:45 < dongs> 32meg sdram chip or somethin like that
2013-05-21T04:57:13 < R2COM> hmm stm32 has some internal controller to control Parallel flash
2013-05-21T04:57:15 < R2COM> or no
2013-05-21T04:57:22 < dongs> parallel yes
2013-05-21T04:57:24 < dongs> fsmc
2013-05-21T04:57:31 < dongs> NAND etc
2013-05-21T04:57:35 < dongs> ive used it
2013-05-21T04:57:51 < dongs> or you can use NOR flash but thats gonna be a fuckload of connections
2013-05-21T04:58:01 < R2COM> so there wont be much masturbating in order to get that kind of memories working with it? just hook up set up registers and read/write?
2013-05-21T04:58:13 < dongs> just hookup and use
2013-05-21T04:58:31 < dongs> for reads, for writes, you still gotta go through erase page/write thing
2013-05-21T04:58:47 < dongs> but reads you just read from 0x60000000 or wahtever base address is after setting up address offset
2013-05-21T04:59:08 < R2COM> http://www.digikey.com/product-detail/en/MT29F16G08ABABAWP-IT:B%20TR/557-1482-1-ND/2747307
2013-05-21T04:59:14 < R2COM> highest density I found on digikey
2013-05-21T04:59:18 < R2COM> which works from -40C
2013-05-21T04:59:25 < R2COM> 33$ part
2013-05-21T04:59:48 < R2COM> instead of datasheet you get a nice picture
2013-05-21T04:59:59 < dongs> its nand
2013-05-21T05:00:00 < R2COM> of a chip...
2013-05-21T05:00:02 < dongs> in standard pinout
2013-05-21T05:00:06 < dongs> and standard command s et
2013-05-21T05:00:16 < dongs> you dont need a datasheet
2013-05-21T05:00:38 < dongs> it will support baseline protocol that all flash does, and it'll have (if any) vendor extensions that you don't need anyway
2013-05-21T05:00:51 < R2COM> hmm there gotta be, I want to look at its other parameters, how many R/w cycles etc
2013-05-21T05:00:53 < dongs> for shit like secure erase or manufacturer specific function etc
2013-05-21T05:02:03 < dongs> http://www.micron.com/products/nand-flash/mlc-nand#fullPart&236=1
2013-05-21T05:02:56 < upgrdman> damn. just realized tants are much more expensive than electrolytics.
2013-05-21T05:03:07 < R2COM> lol...
2013-05-21T05:03:38 < R2COM> they are also better caps to use in harsh environment
2013-05-21T05:04:06 < R2COM> although, one can use non-liquid electrolytes in such environment too
2013-05-21T05:04:20 < R2COM> Nichihon has some nice ones
2013-05-21T05:05:21 < R2COM> I use Kemet's 491 series tants most of the time on all my boards
2013-05-21T05:05:28 < R2COM> as a first input cap before PSU.
2013-05-21T05:05:33 < upgrdman> i was just always used to tants due to working the the rc hobby industry. probably for size/vibration issues
2013-05-21T05:06:29 < upgrdman> alum elect are literally 10% the cost of tants :/
2013-05-21T05:06:39 < R2COM> depends which...
2013-05-21T05:07:23 < upgrdman> well doing param searchs on mouser, then sorting by price, ascending
2013-05-21T05:07:24 < R2COM> they have some limitations which cant let them be used in specific environment
2013-05-21T05:07:35 < R2COM> but for hobby shit who cares :P
2013-05-21T05:07:57 < upgrdman> most non-chinese rc hobby stuff uses tants
2013-05-21T05:08:11 < upgrdman> and maybe half of the chinese stuff uses tants too
2013-05-21T05:08:44 < R2COM> also there are different tants too, some military graded ones, and ones who are extremely immune to high current surges
2013-05-21T05:09:06 < R2COM> Kemet has those types too
2013-05-21T05:09:35 < upgrdman> immune to high current surges?
2013-05-21T05:09:40 < R2COM> yes
2013-05-21T05:09:42 < upgrdman> as in fast charge/disch?
2013-05-21T05:09:52 < R2COM> yes
2013-05-21T05:09:56 < dongs> high bloggage surges
2013-05-21T05:10:31 < dongs> R2COM: i ran out of 0.1uF caps again, but I need them like asap, so a guy is bringing a reel from korea on a flight tomrorow. I asked 'what brand' hes like " no idea "
2013-05-21T05:10:32 < upgrdman> its common to switch on a power supply with no delay in inrush current.... even with cheap ass caps.
2013-05-21T05:10:41 < R2COM> haha
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2013-05-21T05:10:49 < upgrdman> i dont get it
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2013-05-21T05:11:25 < upgrdman> what do you mean by high current surges..... like cycling the cap at a very high freq?
2013-05-21T05:11:26 < R2COM> what you dont get
2013-05-21T05:11:44 < upgrdman> i mean how can a cap NOT handle a surge of current
2013-05-21T05:11:54 < dongs> upgrdman: http://www.ryston.cz/pdf/avx/solid_ti.pdf rtfm
2013-05-21T05:12:14 < R2COM> well mostly those are used in switching supplies
2013-05-21T05:12:47 < R2COM> I dont get your question, high surge in general significantly decreases its lifetime
2013-05-21T05:12:54 < dongs> most datasheets still tell you to use tantalums for high capacitance but thats just because they havent been updated for a decade
2013-05-21T05:12:58 < dongs> back when MLCC wasn't around
2013-05-21T05:13:15 < dongs> these days you can usually substitute for ceramics 99% of the time
2013-05-21T05:13:26 < dongs> unless it needs huge capacitance or whatever
2013-05-21T05:13:41 < dongs> I think ceramic ESR is lower too
2013-05-21T05:14:38 < R2COM> it depends on app. for some psu designs its usually not a nice thing to put ceramics only on input
2013-05-21T05:14:58 < upgrdman> R2COM: for example, a battery powered board. you have a switch that connects the battery to the board. straight off the switch you have a fuse, then one or two caps, then an LDO. would those caps see a ~infinite surge the moment the switch is closed?
2013-05-21T05:15:00 < R2COM> especially in applications where there is long power cable coming to a board
2013-05-21T05:15:19 < dongs> i need to clean my desk
2013-05-21T05:15:22 < R2COM> they will see high surge
2013-05-21T05:15:45 < R2COM> oh well, fuse, then its different
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2013-05-21T05:16:08 < R2COM> but it still will see it, although for a very short amount of time
2013-05-21T05:16:19 < R2COM> and for a longer period, this accumulates
2013-05-21T05:16:25 < R2COM> and slowly destroys tantalum
2013-05-21T05:16:57 < upgrdman> hmmm
2013-05-21T05:17:03 < upgrdman> ok is that specific to tants?
2013-05-21T05:17:20 < R2COM> its just what happens, and some tants dont like it
2013-05-21T05:17:31 < upgrdman> k
2013-05-21T05:17:40 < R2COM> but in general most recent ones are pretty sturdy, its just there are some tants who are immune to even more harsh surges
2013-05-21T05:18:59 < upgrdman> o ok
2013-05-21T05:19:04 < R2COM> soo... I think for specific stuff I will do, even that chip I played with yesterday is OK...
2013-05-21T05:19:08 < R2COM> that memory chip
2013-05-21T05:19:19 < upgrdman> this is why i like irc. learn new shit without even trying :)
2013-05-21T05:19:35 < R2COM> upgrdman: you would learn about stuff you talked now more if read reliability reports
2013-05-21T05:19:56 < upgrdman> ok
2013-05-21T05:20:37 < R2COM> oh wait, learn new shit without trying is good, so yes.
2013-05-21T05:20:55 < upgrdman> :)
2013-05-21T05:22:11 < R2COM> and well if you designing something what has to work for fucktons of years or be installed in a missile or something, you most of the time can acquire model and simulate all those events
2013-05-21T05:22:25 < R2COM> most of the manufacturers actually put models
2013-05-21T05:22:33 < R2COM> easily downloadable
2013-05-21T05:23:30 < R2COM> I know kemet does, murata does too
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2013-05-21T05:42:59 < upgrdman> is an LGA something you can solder at home with paste + hot air / oven ?
2013-05-21T05:43:22 < R2COM> yes
2013-05-21T05:43:55 < R2COM> I can also do it with regular soldering iron too + hot air
2013-05-21T05:44:08 < R2COM> first I can apply liquid flux on pads
2013-05-21T05:44:14 < R2COM> then apply solder with hot iron on pads
2013-05-21T05:44:30 < R2COM> then put a drop of paste flux for temporary glueing component
2013-05-21T05:44:33 < R2COM> then place component
2013-05-21T05:44:38 < R2COM> then hot air
2013-05-21T05:45:02 < upgrdman> k
2013-05-21T05:50:56 < dongs> what was that dickstarter SDR shit
2013-05-21T05:51:54 < R2COM> that kickstarter thingy, its like you develop on your own, in case if theres demand you get money, or what
2013-05-21T05:52:24 < dongs> it sjust whatever
2013-05-21T05:52:26 < dongs> you have $X
2013-05-21T05:52:37 < dongs> you make a shiny video featuring iphone, arduino, or whatnot.
2013-05-21T05:52:42 < dongs> you spam it up to various techno blogs
2013-05-21T05:52:50 < dongs> engaget, techcrunch/wahtever
2013-05-21T05:52:56 < dongs> then wait for money to start rolling in
2013-05-21T05:52:57 < R2COM> ok
2013-05-21T05:52:57 < dongs> thats all.
2013-05-21T05:57:07 < dongs> you ahve any missile guidance system you wanna kickstart?>
2013-05-21T05:57:39 < R2COM> no, it would take a while for me to develop
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2013-05-21T06:04:44 < GargantuaSauce> R2COM: no no you kickstart first, develop later
2013-05-21T06:04:48 < GargantuaSauce> possibly never
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2013-05-21T06:24:19 < emeb_mac> take the money and run...
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2013-05-21T07:22:18 < dongs> haha yes
2013-05-21T07:22:23 < dongs> 12:04 < GargantuaSauce> R2COM: no no you kickstart first, develop later
2013-05-21T07:22:23 < dongs> 12:04 < GargantuaSauce> possibly never
2013-05-21T07:22:25 < dongs> the truth
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2013-05-21T09:50:05 < R2COM> time to play some games
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2013-05-21T10:07:45 < dongs> i think im gonna need to make my own USB3>Sata enclosure
2013-05-21T10:07:50 < dongs> all this chinese garbage fucking sucks
2013-05-21T10:08:07 < dongs> i almost lost all my work shit becauase the fucking garbage keeps droping the drive mid-writes
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2013-05-21T10:13:42 < GargantuaSauce> maybe you should use a filesystem that actually has data journalling
2013-05-21T10:13:50 < GargantuaSauce> oh wait windows
2013-05-21T10:18:55 < dongs> hahaahahahaha
2013-05-21T10:18:58 < Robint91> dongs, NAS?
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2013-05-21T10:20:35 < dongs> yes, 100s of TB in hardware raid6
2013-05-21T10:20:37 < dongs> thats not the problem though.
2013-05-21T10:20:48 < dongs> I need a portable usb3 enclosure where I can keep important data for quick access.
2013-05-21T10:20:58 < Robint91> dongs, software raid > hw raid
2013-05-21T10:21:02 < dongs> rofl
2013-05-21T10:21:10 < dongs> yeah, only if you are a moron and run lunix or some other trash.
2013-05-21T10:21:13 < talsit> dongs: if you have 100's of TB of data, then, dafuq are you doing with cheap usb-sata enclosures?
2013-05-21T10:21:23 < dongs> talsit: PLEASE SHOW ME WHERE I CAN BUT A FUCKING EXPENSIVE ONE THEN
2013-05-21T10:21:30 < dongs> I bought the most expensive one i could find but its made in fucking china
2013-05-21T10:21:32 < dongs> and its trash
2013-05-21T10:21:47 < dongs> show me something for $100 made in USA or some other non-3rd world country and ill buy it asap
2013-05-21T10:22:02 < Robint91> dongs, I have seen HW raid cards trash a large raid 6 volume
2013-05-21T10:22:12 < dongs> thats you
2013-05-21T10:22:13 < talsit> bluearc, netapp, etc
2013-05-21T10:22:33 < dongs> talsit: ????????????????????????????????
2013-05-21T10:22:41 < dongs> talsit: < dongs> I need a portable usb3 enclosure where I can keep important data for quick access.
2013-05-21T10:22:44 < dongs> do you fail reading?
2013-05-21T10:22:53 < talsit> you carry around with you 100's of TB
2013-05-21T10:22:54 < dongs> keywords: portable, usb3, important data
2013-05-21T10:22:57 < dongs> no you fuckwit
2013-05-21T10:23:03 < talsit> i also read 100's of TB
2013-05-21T10:23:17 < talsit> unless you meant tuberculosis
2013-05-21T10:23:33 < dongs>  < dongs> thats not the problem though.
2013-05-21T10:23:45 < dongs> he said something about NAS. I said I have that issue solved
2013-05-21T10:23:48 < dongs> with hardware raid and windows 2008 R2.
2013-05-21T10:24:01 < dongs> however, I still need a fucking portable quality usb3 storage solution
2013-05-21T10:24:37 < Robint91> OH GOD 2008 R2
2013-05-21T10:25:23 < Robint91> everyone using HW raid on new fast machines, should be SHOT on site.
2013-05-21T10:25:29 < Robint91> BAM bullet to the head
2013-05-21T10:25:53 < Robint91> peeps we live in 2013, where CPU is more then enough, to do software raid
2013-05-21T10:28:42 < talsit> Robint91: unless you're in the business of actually running a big raid
2013-05-21T10:31:03 < Robint91> talsit, what do you think EMC, Netapp uses
2013-05-21T10:31:12 < Robint91> talsit, they use software radio
2013-05-21T10:31:23 < Robint91> talsit, a big intel CPU is used to do the calculations
2013-05-21T10:31:30 < Robint91> not some strange ASIC
2013-05-21T10:31:37 < talsit> bluearc was mostly HW
2013-05-21T10:31:55 < talsit> then again, bluearc had some nasty problem when >80% usage, it would just drop bytes
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2013-05-21T10:44:35 < R2COM> how about this one
2013-05-21T10:44:36 < R2COM> http://www.amazon.com/TRIPP-SuperSpeed-Adapter-Cable-U338-000-R/dp/B004ZMH9OE
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2013-05-21T10:55:02 < dongs> its only $38 cuz beachaudio sells it
2013-05-21T10:55:13 < dongs> lifetime warranty, hmm
2013-05-21T10:55:26 < dongs> http://www.tripplite.com/en/products/Discontinued-Products.cfm?MDLID=4866
2013-05-21T10:55:28 < dongs> discontinued.
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2013-05-21T12:16:09 < timemob> http://www.imgur.com/ZjzzIlO.png
2013-05-21T12:16:12 < timemob> Lunix
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2013-05-21T12:21:37 <+Steffanx> How many IIS websites with a similar message you want dongs?
2013-05-21T12:23:39 < qyx_> these will be hard to find as nobody uses iis :X
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2013-05-21T12:57:55 <+Steffanx> qyx_ :P
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2013-05-21T13:17:55 < zyp> it's easy enough to spot though, just look for those ugly yellow error pages with red text
2013-05-21T13:23:03 <+Steffanx> Some frameworks written in a (scripting) language i won't name also use similar error pages zyp
2013-05-21T13:41:38 < Laurenceb> attn dongs:  http://regmedia.co.uk/2013/05/15/mercury_cutaway_diagram.jpg
2013-05-21T13:41:43 < Laurenceb> it has AIDS
2013-05-21T13:53:33 < trepidaciousMBR> Do you think there's any chance ST will have fixed the DCMI DMA errata on the F407, in the F429/439?
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2013-05-21T13:59:22 < jpa-> "maybe"
2013-05-21T13:59:27 < jpa-> it is a horrible errata
2013-05-21T13:59:32 < jpa-> so i really hope they would have fixed it
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2013-05-21T14:32:14 < Robint91> trepidaciousMBR, what is the problem with the DMA DCMI?
2013-05-21T14:41:29 < PaulFertser> Robint91: http://blog.frankvh.com/2012/01/13/stm32f2xx-stm32f4xx-dma-maximum-transactions/
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2013-05-21T14:48:33 < Robint91> PaulFertser, trepidaciousMBR: my dual ADC DMA is working on DMA2
2013-05-21T14:49:22 < PaulFertser> Robint91: the blog post says about using three channels on DMA2.
2013-05-21T14:51:36 < UweBonnes> PaulFertser: I see semihosting now in BMP. Is semihosting used for BMP itself or is it infrastructure a user program may use. An in the latter case, is there an example for usage?
2013-05-21T15:02:46 < trepidaciousMBR> Robint91: Sorry was AFK - the problem is when using DMA2 for DCMI concurrently with other peripherals - for example DCMI and ADC on DMA2 concurrently can fail, there's a note in errata about it
2013-05-21T15:03:14 < trepidaciousMBR> Yup, the one from that blog post, that guy found it and reported to ST
2013-05-21T15:03:16 < Robint91> trepidaciousMBR, haven't used the DCMI
2013-05-21T15:03:20 < Robint91> but good to know
2013-05-21T15:04:41 < trepidaciousMBR> It's a huge pain- if you use the DCMI then no ADC DMA for you ;) We were looking at the 429 for other reasons, and I wondered whether they might have fixed it, but ST communication seems to be terrible, can't find any notes about it
2013-05-21T15:06:06 < Laurenceb> they failed pretty hard
2013-05-21T15:07:23 < zyp> yeah, almost makes one wonder if you were working at ST
2013-05-21T15:16:09 < Robint91> trepidaciousMBR, I don't why someone would even use the DCMI?
2013-05-21T15:16:28 < trepidaciousMBR> Robint91: To connect an image sensor?
2013-05-21T15:17:03 < dongs> ok next question if you got an image sensor why the fuck would you need ADC
2013-05-21T15:17:12 < Robint91> trepidaciousMBR, yeah, but for what? not like that the STM has enough CPU power to do something useful
2013-05-21T15:18:40 < trepidaciousMBR> Robint91: It does, simple image processing is no problem. I reckon a simple JPG webcam style thing would work fine too, I've not actually tried it though (I might do when I have more time!)
2013-05-21T15:19:03 < trepidaciousMBR> I think Tectu is working on a "live" display to LCD
2013-05-21T15:19:21 < Robint91> trepidaciousMBR, that is just DMAing to the display buffer
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2013-05-21T15:31:45 < PaulFertser> UweBonnes: it's mostly to help debugging user apps, provides firmware executing on a microcontroller facilities to open/read/write files and i/o console. The note in BMP's readme hopefully should be enough to get you going.
2013-05-21T15:39:29 < trepidaciousMBR> Robint91: Yup, it's a thing you can do that's useful though ;)
2013-05-21T15:39:59 < trepidaciousMBR> Robint91: I'll let you know if I get encoding going, so far I just have some simple analysis and transfer of whole images to the network.
2013-05-21T15:40:40 < trepidaciousMBR> dongs: To read a sensor, something like that? Maybe a light sensor. You can still read the ADC without DMA though.
2013-05-21T15:42:21 < Robint91> trepidaciousMBR, ever works with DSP to do more image processing? (and faster)
2013-05-21T15:42:31 < Robint91> trepidaciousMBR, I'm still looking for a good platform to do so
2013-05-21T15:42:55 < trepidaciousMBR> Robint91: I did use a blackfin for a previous project, but not really using anything like its full capacity
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2013-05-21T17:25:58 < dongs> hey look waveshare is now selling cubieboard
2013-05-21T17:27:36 < inca> dongs: does it still lack JTAG?
2013-05-21T17:27:49 < dongs> no you can jtag it via SD card slot
2013-05-21T17:27:59 < dongs> dunno if it works without remapping
2013-05-21T17:28:03 < dongs> but pins are there
2013-05-21T17:28:24 < zyp> sounds ghetto
2013-05-21T17:28:29 < dongs> im sure
2013-05-21T17:28:37 < inca> all these cowboy circuit designers… when will they learn
2013-05-21T17:28:46 < dongs> now that the dumb lunixproj I needed that trash for is done, ill probably just throw it in same box wiht shitberrypi and never power it up again
2013-05-21T17:29:12 < inca> dongs: beaglebone black hasn't been too bad, so far
2013-05-21T17:29:18 < inca> the node.js stuff is cute
2013-05-21T17:29:58 < inca> it made me think about doing the RPC/HTTP server to exercise board functionality
2013-05-21T17:30:27 < inca> (on my STM stuff)
2013-05-21T17:33:40 < talsit> why would -mfloat-abi=softfp ever be a good idea?
2013-05-21T17:34:14 < talsit> oh, for libraries
2013-05-21T17:34:16 < talsit> ok
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2013-05-21T17:38:42 < Laurenceb> rage
2013-05-21T17:38:44 < Laurenceb> http://www-lpl.univ-paris13.fr/UK/OPTIMA.awp
2013-05-21T17:38:48 < Laurenceb> ^my idea :(
2013-05-21T17:39:06 < Robint91> Laurenceb, Page modified Thursday, March 10, 2011	 -_-
2013-05-21T17:39:20 < Laurenceb> lol im joking
2013-05-21T17:39:33 < Laurenceb> i came up with the same idea independently
2013-05-21T17:39:40 < Laurenceb> but they have patent :(
2013-05-21T17:40:04 < Robint91> Laurenceb, when is the patent issued?
2013-05-21T17:40:17 < Robint91> Laurenceb, do you have published some papers befor that?
2013-05-21T17:40:24 < Laurenceb> unfortunately not
2013-05-21T17:40:47 < Laurenceb> my technique has no AOM stage
2013-05-21T17:41:01 < Laurenceb> looks like it doesn't violate their patent
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2013-05-21T17:42:28 < Laurenceb> http://www.youtube.com/watch?v=Jr6CyU-Ev_M
2013-05-21T17:43:03 < inca> Robint91: doesn't work that way anymore in US
2013-05-21T17:43:15 < inca> first to file is the new policy
2013-05-21T17:43:20 < Robint91> inca, not in the US, don't care
2013-05-21T17:43:25 < Laurenceb> heh
2013-05-21T17:43:29 < Robint91> inca, prior art
2013-05-21T17:43:33 < inca> then I guess I can copy it
2013-05-21T17:43:39 < inca> if you don't file in the US =)
2013-05-21T17:43:48 < inca> I'm aware of prior art
2013-05-21T17:44:06 < inca> but the US just changed policies in the last year or so
2013-05-21T17:44:51 < inca> it's going to be fun watching that system die
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2013-05-21T17:45:38 < Robint91> inca, if that is the case, I want to see the science part of the US die
2013-05-21T17:46:13 < Robint91> inca, I publish paper -> somebody reads it, patents it, get's profit
2013-05-21T17:46:19 < inca> I don't really care about ideas, I care about the use of those ideas for improvement of quality of life
2013-05-21T17:46:29 < inca> focusing on patents doesn't make an iPhone work
2013-05-21T17:46:34 < inca> nor does it cure cancer
2013-05-21T17:46:39 < Robint91> inca, that shouldn't be the case
2013-05-21T17:46:43 < inca> heh
2013-05-21T17:47:07 < inca> patents are a big whopping joke
2013-05-21T17:47:29 < inca> sail the pir8t seas, order from the chinese
2013-05-21T17:47:44 < inca> everyone on wallstreet does
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2013-05-21T17:51:37 < gxti> first to file is what the rest of the world was already using
2013-05-21T17:51:59 < gxti> and it doesn't mean prior art is not honored
2013-05-21T17:54:18 < inca> gxti: it's the interpretation given to me by professional lawyers in the US
2013-05-21T17:54:42 < gxti> it means if you invent it and don't publish you're out of luck
2013-05-21T17:55:01 < inca> basically
2013-05-21T17:55:05 < gxti> so don't do that
2013-05-21T17:55:13 < gxti> if you do publish then it's prior art
2013-05-21T17:55:32 < inca> I am not sure how they are handling prior art, if at all
2013-05-21T17:56:10 -!- daku is now known as DaKu
2013-05-21T17:56:12 < inca> because USPTO is overloaded, I imagine some scope cutoff may be employed so they can get closer to doing their jobs
2013-05-21T17:56:12 < gxti> without prior art then anyone could patent any public knowledge that hadn't already be patended, and that is ludicrous
2013-05-21T17:56:29 < inca> gxti: welcome to the USPTO
2013-05-21T17:56:37 < gxti> people are still going to try but that isn't anything different from before
2013-05-21T17:56:48 < gxti> only now there's a clearer definition of what invalidates a patent, because it had to be public
2013-05-21T17:56:58 < inca> the standards for acceptance into USPTO or not are muddy, at best
2013-05-21T17:57:04 < inca> sure
2013-05-21T17:57:40 < gxti> don't get me wrong, there's a lot of shit patents and software patents are almost intrinsically shit, but this isn't making it worse
2013-05-21T17:57:51 -!- barthess [~barthess@86.57.155.106] has quit [Quit: Leaving.]
2013-05-21T17:57:55 < gxti> if anything it's better because patent trolls can't hold onto secret into and use it when you try to patent it yourself
2013-05-21T17:57:59 < gxti> info*
2013-05-21T17:58:54 < inca> I am aware. However, the position is still untenable. USPTO needs to be more like github/bitbucket/wikipedia/google in order to actually do their mission
2013-05-21T17:59:23 < inca> and even then, enforcement is not exactly possible
2013-05-21T17:59:41 < inca> relics of the industrial revolution
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2013-05-21T18:36:54 < Laurenceb> http://www.google.co.uk/patents?hl=en&lr=&vid=USPAT6903825&id=858VAAAAEBAJ&oi=fnd&dq=Tualle+laser+frequency&printsec=abstract#v=onepage&q=Tualle%20laser%20frequency&f=false
2013-05-21T18:36:57 < Laurenceb> lol patents
2013-05-21T18:37:10 < Laurenceb> i like how everything is "analogue electronics"
2013-05-21T18:44:16 < Laurenceb> ooohhh
2013-05-21T18:44:17 < Laurenceb> http://ava.upuaut.net/store/index.php?route=product/product&path=59_64&product_id=81
2013-05-21T18:44:20 < Laurenceb> fapfapfap
2013-05-21T18:45:34 < dongs>  cute
2013-05-21T18:45:48 < dongs> > eagle schematics
2013-05-21T18:45:51 < dongs> page closed.
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2013-05-21T20:33:28 < Posterdati> hi
2013-05-21T20:33:47 < Posterdati> please, is there anyone worked with uc1618t? Thanks
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2013-05-21T21:54:18 < Laurenceb_> sup
2013-05-21T21:55:24 < Laurenceb_> so i have an issue with an F103 board...
2013-05-21T21:55:32 < Laurenceb_> unhandled interrupt
2013-05-21T21:55:59 < Laurenceb_> how do i work out which interrupt was triggered?
2013-05-21T21:57:01 <+Steffanx> zyp said that so often in here ( and I always forget what he said :P )
2013-05-21T21:57:13 < karlp> you get zippe's vecstate gdb macro
2013-05-21T21:57:20 < Laurenceb_> oh yeah that
2013-05-21T21:57:21 < karlp> which... seems to only be on my work computer
2013-05-21T21:57:29 < Laurenceb_> but if i look at pcr  ?
2013-05-21T21:57:40 < Laurenceb_> just do info registers  ?
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2013-05-21T21:59:39 < Laurenceb_> https://github.com/Laurenceb/STM32-Logger/blob/master/Sensors/pressure.c#L23
2013-05-21T21:59:49 < Laurenceb_> errors there... disassembly looks ok
2013-05-21T21:59:59 < Laurenceb_> all my interrupts have handlers
2013-05-21T22:01:16 < Laurenceb_> some kind of stack issue perhaps?
2013-05-21T22:03:10 < GargantuaSauce> maybe it takes exception to a variable named "l"
2013-05-21T22:03:25 < GargantuaSauce> i know i do
2013-05-21T22:13:24 < Laurenceb_> oh i see the issue
2013-05-21T22:13:28 < Laurenceb_> ADC1_2_IRQHandler
2013-05-21T22:13:40 < Laurenceb_> some kind of name screwup
2013-05-21T22:15:14 < zyp> Laurenceb_, lower bits of xpsr is handler number
2013-05-21T22:15:22 < Laurenceb_> thanks
2013-05-21T22:15:28 < Laurenceb_> yeah, just worked that out
2013-05-21T22:15:30 < Laurenceb_> 0x22
2013-05-21T22:15:35 < Laurenceb_> so adc1_2
2013-05-21T22:16:22 < Laurenceb_> someone populated battery voltage monitoring pot divider with wrong values
2013-05-21T22:16:31 < Laurenceb_> but it shoudnt fail like this..
2013-05-21T22:18:06 < Laurenceb_> this code never got tested, theres an adc watchdog to catch badly undercharged lipo cells
2013-05-21T22:19:02 < Laurenceb_> clearly something wrong with my minions programming pc
2013-05-21T22:26:11 < Laurenceb_> what would happen if i had an ISR that never cleared the interrupt?
2013-05-21T22:27:39 < Laurenceb_> isr loop? or is it worse than that?
2013-05-21T22:28:08 < zyp> isn't that bad enough?
2013-05-21T22:28:17 < zyp> and yes, it would retrigger immediately after return
2013-05-21T22:28:47 < Laurenceb_> but would it pop back first?
2013-05-21T22:28:57 < Laurenceb_> oh wait.. thats covered by tailchaining
2013-05-21T22:28:58 < Laurenceb_> hmm
2013-05-21T22:30:07 -!- akaWolf [~akaWolf@unaffiliated/akawolf] has quit [Ping timeout: 252 seconds]
2013-05-21T22:30:31 < Laurenceb_> for some reason it loops for a bit then i get some sort of exception
2013-05-21T22:34:58 < Laurenceb_> hmm
2013-05-21T22:35:07 < Laurenceb_> but that makes no sense from PSR
2013-05-21T22:35:08 < Laurenceb_> wtf
2013-05-21T22:45:48 < Laurenceb_> ok check my asm
2013-05-21T22:46:06 < Laurenceb_> https://github.com/Laurenceb/STM32-Logger/blob/master/dis.asm
2013-05-21T22:46:27 < Laurenceb_> ADC1_2_IRQHandler is not in vector table
2013-05-21T22:47:41 < Laurenceb_> 0800c290 <ADC1_2_IRQHandler>:
2013-05-21T22:47:48 < Laurenceb_> ^not in vector table
2013-05-21T22:49:50 < zyp> handler 0x22 points to __STM32DefaultExceptionHandler
2013-05-21T22:50:29 < Laurenceb_> yeah
2013-05-21T22:50:39 < Laurenceb_> yet my names seem to be ok
2013-05-21T22:50:57 < Laurenceb_> https://github.com/Laurenceb/STM32-Logger/blob/master/interrupts.c#L172
2013-05-21T22:51:26 < Robint91> __attribute__((externally_visible))
2013-05-21T22:51:28 < Robint91> what is this?
2013-05-21T22:51:44 < Laurenceb_> https://github.com/Laurenceb/STM32-Logger/blob/master/lib/CMSIS_CM3/startup/gcc/startup_stm32f10x_md.s#L157
2013-05-21T22:51:50 < Laurenceb_> to stop it being optimised out
2013-05-21T22:52:05 < zyp> don't be stupid
2013-05-21T22:52:09 < karlp> too late.
2013-05-21T22:52:16 < gxti> sick burn
2013-05-21T22:52:26 < zyp> remove that attribute
2013-05-21T22:52:31 < gxti> Laurenceb_: if it's optimised out that would tend to indicate it's not being referenced by the vector table
2013-05-21T22:52:39 < zyp> if it gets optimized out without it, you're doing something else wrong
2013-05-21T22:52:44 < zyp> i.e. what gxti said
2013-05-21T22:52:48 < karlp> which yuou know, would have told you that it was not working....
2013-05-21T22:52:55 < gxti> i don't remember much about stdperiph-style vectors since i've been using chibios so far
2013-05-21T22:53:10 < karlp> "hide the typo by telling it i really am using this "unused" thing"
2013-05-21T22:53:56 < karlp> man, fuck ST hard for providing asm startup code.
2013-05-21T22:54:11 < gxti> yeah i'm a fan of the pure C approach, even if it's less portable
2013-05-21T22:54:20 < karlp> less portable to what?
2013-05-21T22:54:23 < zyp> _less_ portable?
2013-05-21T22:54:25 < gxti> ... asm. so not less portable.
2013-05-21T22:54:31 < gxti> other compilers
2013-05-21T22:54:38 < karlp> I couldn't give a rats ass about compiling it for arm7tdmi,
2013-05-21T22:54:44 < gxti> shrug
2013-05-21T22:55:02 < gxti> i'm not going out of my way to do it but ST and chibios might care
2013-05-21T22:55:41 < karlp> "let's use this nice new arm core, that by design requires zero asm, and then provide big blobs of asm in the example code we ship"
2013-05-21T23:15:15 < Laurenceb_> hmm
2013-05-21T23:15:21 < Laurenceb_> this isnt making any sense
2013-05-21T23:15:29 < Laurenceb_> I cant find a typo anywhere
2013-05-21T23:16:07 -!- PaulFertser [paul@paulfertser.info] has quit [Ping timeout: 246 seconds]
2013-05-21T23:16:14 < Laurenceb_> yet handler isnt in the vector table
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2013-05-21T23:22:14 < Laurenceb_> http://pastebin.com/ACkkTndu
2013-05-21T23:22:15 < Laurenceb_> wtf
2013-05-21T23:22:34 < Laurenceb_> EXTI0_IRQHandler works nicely
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2013-05-21T23:29:59 < Laurenceb_> this is very odd
2013-05-21T23:31:40 < Laurenceb_> dead in here?
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2013-05-22T02:00:34 < R0b0t1> Where is there an ACTUAL tutorial for openocd?
2013-05-22T02:00:57 < R0b0t1> I'm trying to flash an stm32f0 discovery
2013-05-22T02:05:27 < Rickta59> i use: openocd -f board/stm32f0discovery.cfg
2013-05-22T02:05:44 < Rickta59> then i connect with arm-none-eabi-gdb
2013-05-22T02:05:57 < Rickta59> target extended-remote :3333
2013-05-22T02:06:02 < Rickta59> * i think 3333
2013-05-22T02:06:09 < Rickta59> then monitor reset halt
2013-05-22T02:06:11 < Rickta59> load
2013-05-22T02:06:15 < Rickta59> monitor reset run
2013-05-22T02:10:28 < R0b0t1> I
2013-05-22T02:10:32 < R0b0t1> how do you specify which file to load...?
2013-05-22T02:10:45 < Rickta59> the file you pass to gdb
2013-05-22T02:10:55 < R0b0t1> .elf or .hex?
2013-05-22T02:10:57 < Rickta59> elf
2013-05-22T02:11:16 < R0b0t1> Why do I need to use gdb? Is it impossible to have openocd flash by itself?
2013-05-22T02:11:22 < Rickta59> probably
2013-05-22T02:11:26 < Rickta59> i don't
2013-05-22T02:11:28 < R0b0t1> argh
2013-05-22T02:11:42 < Rickta59> with openocd you have to start it in the right directory
2013-05-22T02:11:50 < R0b0t1> Which is?
2013-05-22T02:11:52 < Rickta59> with gdb i can load the thing i'm focused on
2013-05-22T02:12:38 < Rickta59> it is more complicated to use the openocd commands i think
2013-05-22T02:12:44 < Rickta59> but that is me
2013-05-22T02:13:02 < Rickta59> and using this method i don't have to think about how openocd works only gcc
2013-05-22T02:13:25 < Rickta59> so when i'm flipping between nxp and msp430 and stm32 .. my workflow is the same except for the ports used
2013-05-22T02:14:09 < Rickta59> .. works gcc .. meaning i only have to think about gdb
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2013-05-22T02:14:33 < Rickta59> and i just pass the different args in my make file
2013-05-22T02:14:35 < Rickta59> make install
2013-05-22T02:14:35 < R0b0t1> This is a huge pain in the ass
2013-05-22T02:14:44 < R0b0t1> How do you automate it?
2013-05-22T02:14:46 < Rickta59> create a make target
2013-05-22T02:15:31 < R0b0t1> ... with what commands?
2013-05-22T02:15:46 < Rickta59> gdb
2013-05-22T02:16:25 < R0b0t1> .
2013-05-22T02:16:30 < R0b0t1> I'm missing something here
2013-05-22T02:16:36 < R0b0t1> what are you invoking gdb with?
2013-05-22T02:17:42 < Rickta59> arm-none-eabi-gdb -ex 'target ext :3333' -ex 'monitor reset halt' -ex 'load' foo.elf
2013-05-22T02:17:53 -!- xpg [~pf@78.143.82.145] has quit [Ping timeout: 248 seconds]
2013-05-22T02:18:25 < R0b0t1> Thanks
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2013-05-22T02:28:14 < R0b0t1> Rickta59: Okay thank
2013-05-22T02:28:19 < R0b0t1> But uh
2013-05-22T02:28:32 < R0b0t1> What is the command to disconnect from the target and stop debugging?
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2013-05-22T02:31:40 < R0b0t1> got it
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2013-05-22T02:32:41 < R0b0t1> Why such the focus on debugging though?
2013-05-22T02:32:53 < R0b0t1> I have found the things that actually need debugging are usually happening too fast to send back
2013-05-22T02:33:02 < R0b0t1> so I end up debugging with scope
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2013-05-22T02:39:33 < dongs> um
2013-05-22T02:39:37 < dongs> really?
2013-05-22T02:39:41 < dongs> well, i dunno about gdb
2013-05-22T02:40:01 < dongs> but I find ability to inspect memory at runtime fairly useful feature of SWD debugging.
2013-05-22T02:40:19 < dongs> not to mention conditional breakpoints and other neat stuff like that
2013-05-22T02:45:39 < gxti> i'm doing precision timing stuff and i still haven't run into any "timing sensitive bugs" that i couldn't hunt down with a debugger
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2013-05-22T03:33:02 < Rickta59> so if you don't like debuggers why are you using openocd? Why not use a bootloader flasher R0b0t1 ?
2013-05-22T03:33:14 < R0b0t1> OpenOCD was recommended
2013-05-22T03:33:23 < R0b0t1> I am thinking of switching to the bootloader
2013-05-22T03:33:32 < R0b0t1> deal is, I need to find my usb dongle
2013-05-22T03:33:41 < R0b0t1> the port on the discovery is dedicated to the stlink
2013-05-22T03:33:58 < Rickta59> yeah another good reason to use it
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2013-05-22T07:04:45 < R2COM> chatz plz
2013-05-22T07:19:01 < timemob> I got those caps
2013-05-22T07:19:06 < timemob> Useless trash
2013-05-22T07:19:14 < timemob> Y5v Samsung
2013-05-22T07:19:23 < timemob> Just gonna bin then
2013-05-22T07:19:26 < timemob> Them
2013-05-22T07:19:28 < gxti> good idea
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2013-05-22T07:36:20 < englishman> what do you prefer?
2013-05-22T07:39:38 < gxti> depends on the value. for 1uf, x7r is easily attainable. for 10uf, x5r or x7r in 0805 package so it doesn't lose 60% capacitance at nominal voltage.
2013-05-22T07:44:18 < R2COM> lol
2013-05-22T07:52:25 < timemob> 0.1uf
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2013-05-22T08:43:21 < t1memob> http://www.imgur.com/810reBe.jpeg
2013-05-22T08:57:54 < R2COM> I am about to click
2013-05-22T08:58:00 < R2COM> this better be fucking good
2013-05-22T08:58:44 < R2COM> is that a pack of freshly made AK-74 for me?
2013-05-22T08:59:56 < Tectu> there are some
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2013-05-22T09:50:03 < R2COM> hmm
2013-05-22T09:50:09 < R2COM> those Susumu resistors are really good
2013-05-22T09:50:36 < R2COM> I think I'll use those ones from now on for high precision stuff
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2013-05-22T09:54:59 < gnomad> Are those the ones phil collins likes?
2013-05-22T10:08:37 < R2COM> I dont know who is phil collins
2013-05-22T10:25:08 < t1memob> Me neither
2013-05-22T10:25:19 < t1memob> Sounds like a fag though
2013-05-22T10:39:01 < R2COM> right
2013-05-22T10:39:09 < R2COM> ok i go take some rest
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2013-05-22T11:29:55 < trepidaciousMBR> He has a guitar
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2013-05-22T14:40:35 < dongs> http://i.imgur.com/5cB2v3z.jpg
2013-05-22T14:40:59 < talsit> toasty
2013-05-22T14:41:07 <+Steffanx> dongs new gadget.. waow
2013-05-22T14:41:35 < talsit> that doesn't look like a japanese power plug
2013-05-22T14:41:50 < dongs> its not, because i have a socket for it
2013-05-22T14:42:03 < dongs> http://i.imgur.com/wY7klvB.jpg
2013-05-22T14:43:03 <+Steffanx> dongs has special EU/yankeeland sockets?
2013-05-22T14:43:18 <+Steffanx> incl. the 220/110V .
2013-05-22T14:43:21 < dongs> i dont htink so, i think its some 220V standard t hing
2013-05-22T14:43:22 < dongs> yeah
2013-05-22T14:44:05 < dongs> no its like.. http://upload.wikimedia.org/wikipedia/commons/thumb/0/0d/NEMA_simplified_pins.svg/350px-NEMA_simplified_pins.svg.png
2013-05-22T14:44:13 < dongs> the nema 10-50 i thnk
2013-05-22T14:44:37 < talsit> isn't that the aussie plug?
2013-05-22T14:45:12 < karlp> 10-50 is upside down aussie, which I thought was what jap used too?
2013-05-22T14:45:21 < dongs> no oidea
2013-05-22T14:45:24 < dongs> is the onyl one they could find here
2013-05-22T14:45:30 < karlp> actually, no, not for 50amps
2013-05-22T14:45:34 < talsit> aussie's don't take 50amps
2013-05-22T14:45:35 < karlp> that must be something _like_ aussie
2013-05-22T14:46:27 < talsit> oh, and the aussie one doesn't have 2 hots and one neutral
2013-05-22T14:46:29 < talsit> i give up
2013-05-22T14:46:35  * talsit goes back to coding
2013-05-22T14:46:46 <+Steffanx> Have fun
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2013-05-22T15:44:55 < gxti> 10-50 is bigger than aussie plugs though
2013-05-22T15:45:07 < gxti> just vaguely the same shape
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2013-05-22T17:08:58 <+Steffanx> wikipedia says nema is yankeelandish ..
2013-05-22T17:09:46 < gxti> yeah but the american empire foisted its superior electrical technolgy on japan after WWII
2013-05-22T17:10:17 < gxti> although they put their own weirdness on it, 100 volts with either 50 or 60hz depending on which half of the country
2013-05-22T17:10:23 < gxti> and poorly earthed
2013-05-22T17:11:54 < talsit> yep, true story
2013-05-22T17:12:03 < talsit> tokyo bought from germany, osaka from US
2013-05-22T17:12:08 < talsit> hence the 50/60 split
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2013-05-22T18:00:13 < dongs> No match for "JEWGASSR.COM".
2013-05-22T18:12:35 < zyp> nice pizza oven
2013-05-22T18:12:51 < dongs> yaman
2013-05-22T18:12:56 < dongs> this is 4th generation china shit
2013-05-22T18:13:18 < dongs> LCD is finally upgraded from 7seg to something slightly more advanced
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2013-05-22T18:16:36 <+Steffanx> define slightly more advanced dongs
2013-05-22T18:17:05 < zyp> seeedboards apparently arrived in norway on saturday, which was surprisingly early, but for some reason haven't fucking moved since
2013-05-22T18:17:27 < zyp> just «arrived in destination country» on saturday, then nothing
2013-05-22T18:21:47 < dongs> so the fucking idiot came here to pcba
2013-05-22T18:22:08 < dongs> left stencil.
2013-05-22T18:22:13 < dongs> left->forgot
2013-05-22T18:22:18 < dongs> hes leaving friday.
2013-05-22T18:22:25 < dongs> earliest we can get stencil here is like thursday evening.
2013-05-22T18:22:26 < dongs> oops.
2013-05-22T18:23:42 < zyp> heh
2013-05-22T18:24:01 <+Steffanx> poor boy
2013-05-22T18:24:03 < dongs> so... ill setup dicknplace and then twiddle thumbs.
2013-05-22T18:25:37 < zyp> http://bin.jvnv.net/f/7JytN.JPG <- so, what do you think about my new awesome monitor?
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2013-05-22T18:26:38 < dongs> lulz
2013-05-22T18:26:43 < dongs> nice
2013-05-22T18:26:44 <+Steffanx> lol
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2013-05-22T18:26:52 < zyp> http://bin.jvnv.net/f/p0Yu4.JPG
2013-05-22T18:26:52 <+Steffanx> Nice wood work zyp :)
2013-05-22T18:26:57 < dongs> thats certainly... unique
2013-05-22T18:27:12 < dongs> oh, thats not jewpad thing
2013-05-22T18:27:13 <+Steffanx> Too bad there are many cracks in the wood
2013-05-22T18:27:22 < zyp> dongs, no, it's 22"
2013-05-22T18:27:35 < zyp> Steffanx, doesn't matter, it's not gonna be visible
2013-05-22T18:27:38 <+Steffanx> This is for that fancy game?
2013-05-22T18:27:41 < zyp> the frame is for mounting plexi on
2013-05-22T18:27:42 < zyp> yes
2013-05-22T18:27:56 < zyp> then pcbs go on top of plexi
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2013-05-22T19:10:46 < karlp> colleague wants to build the code, on windows.
2013-05-22T19:10:55 < karlp> thought we'd give atollic a go, it's meant to be easier on windows.
2013-05-22T19:11:04 < karlp> imports our existing makefile project ok.
2013-05-22T19:11:12 < karlp> then build throws java nullpointer exceptions.
2013-05-22T19:11:31 < karlp> fucks me how to tell eclipse about git submodules and libraries from other directories.
2013-05-22T19:11:40 < karlp> examples are all just "put allll the source in alllll the projects"
2013-05-22T19:14:42 < jpa-> if it's plain makefiles, mingw/msys & gcc-arm-embedded work fine
2013-05-22T19:15:26 < karlp> yeah, firing upa windows vm, seeing how difficult it will be with the msysgit download and netbeans like I use.
2013-05-22T19:15:30 < karlp> reckon it should be just fine.
2013-05-22T19:16:05 < karlp> atollic "truestore" has a downloadable example for the stm32l discovery board, that does...... absolutely nothhing
2013-05-22T19:16:18 < karlp> no lcd, no touch, no blinking led, no button response.
2013-05-22T19:16:23 < karlp> not a very good demo.
2013-05-22T19:16:45 < karlp> "whee, we can step through this really ugly freertos code! woo!"
2013-05-22T19:18:18 < jpa-> it needs freertos to do nothing? :)
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2013-05-23T01:35:27 < rigid> does anyone know an open, thumb optimized 1bpp planar blitting function?
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2013-05-23T01:42:45 < karlp> thumb optimized?
2013-05-23T01:47:36 < rigid> karlp: yep, assembler at best
2013-05-23T01:47:53 < rigid> or ARM optimized
2013-05-23T01:48:54 < rigid> which, I believe, means the same
2013-05-23T01:56:32 < karlp> right, yeah, I'll get right on that.
2013-05-23T01:57:15 < rigid> huh? it's been done a gazillion times... i just didn't find anything optimized for arm
2013-05-23T01:57:32 < rigid> but I guess it doesn't take too long to port it from x86 asm
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2013-05-23T03:08:37 < johntramp> hi, can anyone suggest why the final packet on this i2c bus is being NAK'd? http://i.imgur.com/LWlNfl1.png
2013-05-23T03:09:27 < karlp> because i2c ;)
2013-05-23T03:11:07 < johntramp> ah
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2013-05-23T03:13:24 < johntramp> it will always NAK the final packet, no matter how many i try and receive
2013-05-23T03:13:47 < johntramp> final byte*
2013-05-23T03:23:32 < johntramp> hmm, or is it a bug in the logic analyser software? the i2c module is coming back with I2CD_NO_ERROR
2013-05-23T03:25:01 < karlp> well, does it work?
2013-05-23T03:26:38 < dongs> fuck what an ugly looking analyzer
2013-05-23T03:26:56 < dongs> johntramp: thats how i2c works,
2013-05-23T03:27:01 < dongs> final read byte is nak'd...
2013-05-23T03:27:15 < dongs> thats how it knows you arent gonna be reading more
2013-05-23T03:28:21 < johntramp> dongs: ah ok thanks, so it is working as it should
2013-05-23T03:28:37 < johntramp> that is the saleae logic analyser btw
2013-05-23T03:34:37 < dongs> i know, nothign else looks uglie
2013-05-23T03:34:41 < dongs> except maybe opensump shit
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2013-05-23T04:23:57 < gxti> nak nak nak
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2013-05-23T05:04:11 < dongs> http://i.imgur.com/Wgj3F8D.jpg i've got some PASTE lol
2013-05-23T05:16:10 < talsit> dongs: is that your daily enema?
2013-05-23T05:17:52 < dongs> yhes
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2013-05-23T06:07:44 < R2COM1> I'v experimented with some Aluminum paste today
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2013-05-23T06:08:04 < R2COM> http://i.imgur.com/mkSK5y3.jpg
2013-05-23T06:08:10 < R2COM> http://i.imgur.com/VtulguC.jpg
2013-05-23T06:08:30 < R2COM> dead solder of Aluminium piece to Copper PCB area
2013-05-23T06:08:58 < talsit> what happened there?
2013-05-23T06:09:04 < talsit> did you forcefully break it?
2013-05-23T06:09:06 < R2COM> where
2013-05-23T06:09:08 < R2COM> yes
2013-05-23T06:09:19 < talsit> for science?
2013-05-23T06:09:24 < R2COM> I was curious if it will just slip off after soldering, and it didnt
2013-05-23T06:10:26 < R2COM> very nice solder compound, but requires heavy cleaning of pcb after solder
2013-05-23T06:11:02 < talsit> does gcc have a #pragma or similar to change the packing of structs?
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2013-05-23T06:25:33 < GargantuaSauce> talsit: it's an attribute
2013-05-23T06:25:51 < talsit> ah, so it's per-struct?
2013-05-23T06:25:54 < GargantuaSauce> yup
2013-05-23T06:26:40 < GargantuaSauce> oh there's a pragma stack for it too
2013-05-23T06:26:40 < talsit> cool, thanks
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2013-05-23T06:32:15 < dongs> anyone got any experience weieth a cheapass RS485 receiver IC?
2013-05-23T06:32:20 < dongs> maxim si expnesive
2013-05-23T06:32:45 < talsit> they tend to be cheaper if you can spell
2013-05-23T06:38:23 < dongs> thats what she said
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2013-05-23T08:02:07 < Robint91> hi all
2013-05-23T08:02:21 < talsit> gday
2013-05-23T08:02:30 < Robint91> can I emulate cortex M4 instructions on the M3
2013-05-23T08:02:49 < Robint91> isn't there an expection that handles unknown instructions?
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2013-05-23T08:30:58 < jpa-> Robint91: you probably can - terribly slow, of course
2013-05-23T08:32:04 < dongs> comeon noone has any cheap RS485 rx?
2013-05-23T08:32:06 < Robint91> jpa-, I know, but most of the time is it for emulating the FPU kind of stuff
2013-05-23T08:32:34 < Robint91> dongs,  SN75HVD08 ?
2013-05-23T08:33:05 < Robint91> dongs, http://www.ti.com/paramsearch/docs/parametricsearch.tsp?family=analog&familyId=545&uiTemplateId=NODE_STRY_PGE_T
2013-05-23T08:33:22 < dongs> jebus thats not CHEAP
2013-05-23T08:33:25 < Robint91> http://www.ti.com/product/sn75176b
2013-05-23T08:33:27 < dongs> i need something < 0.40c in qty
2013-05-23T08:33:28 < Robint91> THIS
2013-05-23T08:33:35 < Robint91> 0.36 | 1ku
2013-05-23T08:33:50 < Robint91> but 5Volt supply
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2013-05-23T08:36:12 < BJfreeman> oh a RS422 or 485 driver
2013-05-23T08:37:32 < dongs> need higher input impedance
2013-05-23T08:37:37 < dongs> 12k is not enough
2013-05-23T08:37:39 < dongs> need 48k
2013-05-23T08:40:45 < Robint91> dongs, this one the closed that I know http://www.ti.com/product/sn65hvd72
2013-05-23T08:40:52 < Robint91> but 0.70 @ 1kU
2013-05-23T08:42:12 < BJfreeman> http://www.mouser.com/Semiconductors/Interface-ICs/RS-422-RS-485-Interface-IC/_/N-7e3jc?P=1z0wu68
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2013-05-23T09:17:17 < Robint91> does someone know a good key-value store for embedded flash
2013-05-23T09:25:25 < GargantuaSauce> fork tinycdb or something to use the flash instead of a file maybe?
2013-05-23T09:25:36 < GargantuaSauce> and perhaps hardware hashing
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2013-05-23T14:06:26 < dongs> how the fuck do i calculate a PTC for different voltage?
2013-05-23T14:06:29 < dongs> they're all rated by amps??
2013-05-23T14:06:55 < dongs> i mean lets say i got 10A @ 12V ptc, but whats it gonna be at 24V?
2013-05-23T14:06:57 < dongs> half? or wat
2013-05-23T14:11:28 < jpa-> wtf?
2013-05-23T14:11:36 < jpa-> isn't a PTC fuse usually in series with the load
2013-05-23T14:11:43 < jpa-> it doesn't know anything about voltage
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2013-05-23T14:12:09 < jpa-> (except maximum voltage that it can handle in disconnect situation)
2013-05-23T14:12:12 < zyp> jpa-, except when it trips
2013-05-23T14:12:14 < zyp> yep
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2013-05-23T14:14:41 < karlp> dongs: did you find the cheap rs485 part yet? or do I need to dig up our part list?
2013-05-23T14:15:21 < dongs> karlp: is it < 0.58 @ 2.5k qty?
2013-05-23T14:15:23 < karlp> I think we're using one of the intersil ones.
2013-05-23T14:15:29 < karlp> we pciked it mostly on price.
2013-05-23T14:15:32 < karlp> let me check
2013-05-23T14:15:42 < dongs> jpa-: but read up parameterics on them
2013-05-23T14:15:45 < dongs> tehy're all voltage rated
2013-05-23T14:16:05 < dongs> it has voltage(max)
2013-05-23T14:16:26 < zyp> that's probably the max voltage it is able to isolate
2013-05-23T14:16:55 < dongs> but amps will be different at different voltage, right?
2013-05-23T14:17:03 < dongs> for same wattage
2013-05-23T14:17:05 < dongs> so how does that work
2013-05-23T14:17:13 < zyp> why would it?
2013-05-23T14:17:35 < dongs> ? uh...
2013-05-23T14:17:46 < jpa-> dongs: these are PTC fuses, right?
2013-05-23T14:17:52 < dongs> watts/volts = amps?
2013-05-23T14:17:55 < jpa-> not some other kind of PTC stuff, like PTC soft start?
2013-05-23T14:17:58 < dongs> yeah ptc fuses
2013-05-23T14:18:19 < jpa-> then the voltage over the fuse in normal situation will always be like 0.1 volts or so => very small wattage
2013-05-23T14:18:28 < karlp> dongs: http://eu.mouser.com/ProductDetail/Intersil/ISL8487EIBZ-T/?qs=sGAEpiMZZMuXae9YOZoWd7eQFcIpXEhSxjjPcjTvJIY%3d is 50.5 euro cents at 2.5k, I think that's the one we're using, they hve a couple for whether you want slew limited or not
2013-05-23T14:18:42 < jpa-> and when it disconnects, the current will be like 0.001 A => very small wattage again
2013-05-23T14:18:49 < karlp> we're using a 3v3 version though actually,
2013-05-23T14:20:23 < dongs> karlp: oh, great
2013-05-23T14:20:24 < dongs> 1/8 unit load too
2013-05-23T14:20:32 < karlp> they have a new one in 6 pin, only 0.464 in 3k units, but I haven't used that.
2013-05-23T14:20:34 < dongs> lets see if china has them for hceap
2013-05-23T14:20:40 < karlp> http://eu.mouser.com/ProductDetail/Intersil/ISL3283EIHZ-T/?qs=sGAEpiMZZMuXae9YOZoWd7eQFcIpXEhS5cbnKH1lENI%3d
2013-05-23T14:21:44 < karlp> yeah, intersil had the cheapest range we saw, your pick of 3v/5v, single or fractional unit load, and slew limited or not.
2013-05-23T14:25:55 < dongs> OK
2013-05-23T14:26:08 < dongs> lets see what happens
2013-05-23T14:26:30 < karlp> wotcha building?
2013-05-23T14:28:09 < dongs> 2000 led drivers to string around a bridge
2013-05-23T14:33:22 < dongs> karlp: have you actually tried 256 devices per chain?
2013-05-23T14:33:26 < dongs> i.e. the claimed 1/8 unit load
2013-05-23T14:33:43 < dongs> jpa-: what about when its tripped tho?
2013-05-23T14:33:54 < dongs> i mean i have a 15A max 16V fuse, can I put it into 24V system?
2013-05-23T14:35:23 < jpa-> no, because it is max 16V
2013-05-23T14:37:23 < dongs> right
2013-05-23T14:37:29 < dongs> but there are no high A / high V PTCs
2013-05-23T14:37:33 < dongs> if there are, they take liek 2 minutes to trip
2013-05-23T14:39:12 < jpa-> usually you would use a switch-based active overcurrent protection device.. PTCs are a bit annoying in that they have quite a voltage drop even when not tripping
2013-05-23T14:44:34 < dongs> such as?
2013-05-23T14:44:38 < dongs> that doenst sound cheap
2013-05-23T14:46:24 < trepidaciousMBR> I've got an awesome bug here... in a ChibiOS app, I start an LWIP thread, then a web server thread, then I sleep for 10 minutes in the main thread before starting up some other threads (so basically the other threads' code never runs). Now by changing the size of a static array in one of the threads that doesn't run, I can get the web server to work or not work.
2013-05-23T14:46:34 < trepidaciousMBR> Toolchain error?
2013-05-23T14:46:47 < dongs> sounds like your chewing on stack
2013-05-23T14:46:49 < jpa-> trepidaciousMBR: alignment of code changes timing due to cache
2013-05-23T14:47:19 < jpa-> alignment of data can also affect stack overflows, like dongs suggests
2013-05-23T14:48:06 < trepidaciousMBR> It would have to be the stack in the LWIP or web server threads I guess? I can check those
2013-05-23T14:48:09 < jpa-> i had one bug where touchscreen stopped working when i added one line totally elsewhere in the code.. it caused some cache-related timing changes, which in turn triggered a race condition in my touchscreen driver
2013-05-23T14:48:23 < jpa-> trepidaciousMBR: check stack usage of all your threads
2013-05-23T14:48:27 < jpa-> it's easy enough in chibios
2013-05-23T14:48:46 < trepidaciousMBR> I'm thinking that the threads that don't actually get started (due to 10 minute delay) can't be causing problems though?
2013-05-23T14:48:54 < jpa-> true
2013-05-23T14:49:03 < trepidaciousMBR> I need to set up chibistudio or plugin thing to make that easy, at the moment I'm just doing it with gdb
2013-05-23T14:49:19 < jpa-> you don't use the serial shell?
2013-05-23T14:50:08 < trepidaciousMBR> Which one is that? I just use gdb command line and x to print from the stack address
2013-05-23T14:50:20 < trepidaciousMBR> So far I seem to have lots of 0x55's on the end
2013-05-23T14:50:34 < jpa-> i mean the chibios console shell.. where you have a few small commands to check on threads etc.
2013-05-23T14:50:48 < jpa-> trepidaciousMBR: end? stack grows downwards
2013-05-23T14:52:01 < trepidaciousMBR> jpa-: Ah I see what you mean, I really should run that...
2013-05-23T14:52:41 < jpa-> i don't remember where the few more useful commands came from.. it was some example  https://svn.kapsi.fi/jpa/sphere2/src_common/sphere_shell.c
2013-05-23T14:53:01 < jpa-> (cmd_threads there)
2013-05-23T14:53:39 < trepidaciousMBR> I may well be checking the wrong bit of the stack, I've been finding .bss.wa_thread where wa_thread is the working area name, then looking at the start of that (i.e. the lowest addresses), should I be looking at the highest addresses?
2013-05-23T14:54:00 < trepidaciousMBR> I was more or less assuming since I saw a load of 0x55s fairly early on that it wasn't a stack overflow
2013-05-23T14:54:42 < trepidaciousMBR> Thanks I'll add those commands
2013-05-23T14:54:44 < jpa-> well there will be 0x55's somewhere.. but it might be part of the stack of another thread
2013-05-23T14:55:03 < rigid> dongs: will it be DMX?
2013-05-23T14:56:18 < trepidaciousMBR> Is the thread_free_stack thing always reliable, even if stack overflow might have mangled stuff?
2013-05-23T14:57:27 < dongs> rigid: yea
2013-05-23T14:57:38 < jpa-> trepidaciousMBR: mostly yeah.. it might show a few words of free space in that case, but if you are running that close to full stack it is risky anyway
2013-05-23T14:58:00 < jpa-> trepidaciousMBR: also enabling the chibios stack check is nice, so you'll get a panic message if it detects stack overflow
2013-05-23T14:58:02 < rigid> dongs: does it need to be? since that will cost a lot more $$ than necessary
2013-05-23T14:58:21 < rigid> dongs: if you want to save $$ on the software part, need to be flexible down to code level and/or contribute to foss, you might wanna checkout http://niftyled.de
2013-05-23T14:58:23 < trepidaciousMBR> jpa-: Yup I have that on, I've not seen it trigger while debugging this stuff
2013-05-23T14:58:46 < dongs> rigid: seen, old/useless
2013-05-23T14:58:50 < rigid> although 2000 LEDs is still quite manageable by DMX
2013-05-23T14:58:55 < dongs> rigid: nothing wrong wiht dmx, what "software side"? software is custom too
2013-05-23T14:59:24 < rigid> dongs: niftyled is old/useless?
2013-05-23T14:59:26 < jpa-> trepidaciousMBR: ok.. then it probably isn't stack overflow
2013-05-23T14:59:58 < trepidaciousMBR> jpa-: I'm pretty much up to looking for really odd stuff like stack overflow that isn't detected by ChibiOS, etc.
2013-05-23T15:00:00 < jpa-> trepidaciousMBR: you can take the system map files and diff them to see what changes when it stops working
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2013-05-23T15:00:06 < trepidaciousMBR> jpa-: I've run out of stuff that makes sense to me
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2013-05-23T15:00:15 < jpa-> trepidaciousMBR: heh, been there :)
2013-05-23T15:00:33 < jpa-> esp. timing bugs can have really crazy behaviour
2013-05-23T15:00:43 < rigid> dongs: wrong with DMX is that you waste bandwidth with adressing where there's no adressing needed. It's adress space is quite limited so that you have to use "universes" and multiple controllers. It's lowspeed or expensive artnet controllers... hm
2013-05-23T15:02:43 < rigid> DMX hardware in general is unnecessary expensive... From the software side you either have to start from scratch or you're limited to few choices, mostly closed source. The few good DMX consoles are not cheap... hm
2013-05-23T15:03:01 < rigid> (i admit, still affordable for a project of this size, tho)
2013-05-23T15:03:24 < dongs> rigid: i make teh receivers, repeaters, transmitters.. and software that runs on them..
2013-05-23T15:03:30 < dongs> so it doesnt ma tter
2013-05-23T15:03:39 < rigid> and still you implement DMX?
2013-05-23T15:04:19 < rigid> I would understand if the customer said "we need to use our own shitty software that only talks DMX"...
2013-05-23T15:04:29 < trepidaciousMBR> jpa-: I started from the assumption that I was probably messing up somewhere in my threads, but now that there's nothing else running it seems like it must be lwip or chibios
2013-05-23T15:06:33 < trepidaciousMBR> jpa-: I've got another similar bug, where I read ADC injected conversion result registers as 8 times the real ADC reading, putting them outside 12 bit range, that one is pretty amazing
2013-05-23T15:06:56 < trepidaciousMBR> It only happens when I adjust stack/static array sizes to certain values
2013-05-23T15:07:49 < jpa-> trepidaciousMBR: might you have some crazy clock bug that would be messing up bus transfers?
2013-05-23T15:08:00 < jpa-> trepidaciousMBR: i.e. have you messed with clock configs? ;)
2013-05-23T15:08:43 < trepidaciousMBR> Hm, yes a little bit ;) But only to the extent that it is a custom board so I grabbed PLL values from another board with a 25MHz clock
2013-05-23T15:14:06 < trepidaciousMBR> Just checked, same PLL M, N, P, Q values as the ChibiOS STM32-P407 demo
2013-05-23T15:17:43 < jpa-> hmm yeah, and chibios clock config is quite idiot proof
2013-05-23T15:18:12 < jpa-> maybe you can buy zyp a drink and he'll figure it out :)
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2013-05-23T15:19:59 < corecode> hi
2013-05-23T15:21:01 < corecode> anybody work with the FPB yet?  i'm using a kinetis m4, and somehow it neither breaks nor reads back the correct address in the comp register
2013-05-23T15:35:58 < dongs> sup dongs
2013-05-23T15:36:16 < dongs> corecode: did y ou miss the part where this channel's name is #stm32
2013-05-23T15:36:19 < dongs> and not #kinetis
2013-05-23T15:36:26 < dongs> i tried kinetis like a year or two ago when shit first came out
2013-05-23T15:36:33 < dongs> codewarrior fucking sucks
2013-05-23T15:36:36 < dongs> and thier docs were terrible
2013-05-23T15:36:41 < dongs> that was the end of that
2013-05-23T15:42:56 < corecode> so?
2013-05-23T15:43:37 < dongs> so kinetis = shit = end of story
2013-05-23T15:43:44 < corecode> ok
2013-05-23T15:44:06 < corecode> glad that you have such a differentiated and insightful opinion
2013-05-23T15:44:13 < dongs> no problem sir.
2013-05-23T15:44:15 < karlp> dongs: no, most we've used is about 40 or so, lots of other stuff falls apart before that.
2013-05-23T15:44:16 < dongs> we aim to please.
2013-05-23T15:44:22 < dongs> karlp: ok
2013-05-23T15:44:39 < karlp> like, 19200 baud rate modbus...
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2013-05-23T16:51:37 < trepidaciousMBR> jpa-: Different toolchain does the same thing. I'm pretty much stumped now :(
2013-05-23T16:54:01 < jpa-> trepidaciousMBR: did you debug how the lwip thread fails?
2013-05-23T16:55:41 < trepidaciousMBR> Nope not yet, I'm not sure how to do that. It still responds to pings, but doesn't allow my web server thread to netconn_accept
2013-05-23T17:00:11 < jpa-> step with debugger, compare what happens when working or not working
2013-05-23T17:00:24 < jpa-> you can run 'step' in gdb on repeat and log the output
2013-05-23T17:00:45 < inca> trepidaciousMBR: enable the lwip debug messages.
2013-05-23T17:01:36 < trepidaciousMBR> Thanks, I'll give that a go.
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2013-05-23T17:43:21 < zyp> http://bin.jvnv.net/f/yIuEm.JPG <- seeedboards arrived
2013-05-23T17:43:50 < zyp> by coincidence, both the parts from digikey and the cheapstencil I got also arrived today
2013-05-23T17:52:39 < Robint91> zyp, what is that?
2013-05-23T17:52:50 < karlp> dance dance revolution board ;)
2013-05-23T17:52:55 < karlp> it's his jumbotron led buttons thing
2013-05-23T17:52:56 < Robint91> zyp, some ninja throwing stuff ;o
2013-05-23T17:56:11 < rigid> it never grows old to align the freshly arrived PCBs and take a nice photo :-P
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2013-05-23T19:32:42 < gxti> sparkfun engineering https://dlnmh9ip6v2uc.cloudfront.net/r/500-500/assets/c/e/1/6/5/5193e376ce395fb97a000000.jpg
2013-05-23T19:34:28 < karlp> what's wrong with that?
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2013-05-23T19:34:53 < gxti> nothing :P
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2013-05-23T19:59:16 <+Steffanx> wut, you are not in #sparkfun gxti
2013-05-23T19:59:40 < gxti> there's a reason for that
2013-05-23T19:59:58 <+Steffanx> A bad one for sure
2013-05-23T20:00:18 < gxti> fine, then i won't tell you. nyah.
2013-05-23T20:00:29 <+Steffanx> Like i care
2013-05-23T20:00:34 < gxti> you totally do
2013-05-23T20:00:43 < gxti> you're not fooling me
2013-05-23T20:00:46 <+Steffanx> ok
2013-05-23T20:00:50 < gxti> :p
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2013-05-23T20:04:54 < zyp> http://bin.jvnv.net/f/4rAPs.JPG
2013-05-23T20:06:14 <+Steffanx> Your most advanced pcb ever i guess
2013-05-23T20:06:51 < zyp> yeah
2013-05-23T20:07:00 < zyp> most advanced I've had fabbed at least
2013-05-23T20:07:13 < zyp> I made an even more advanced one which I home-etched once
2013-05-23T20:07:21 <+Steffanx> Hmm, why the 'center' things have buttons on all four sides and the bottom ones only two?
2013-05-23T20:07:30 <+Steffanx> and the top and left/right
2013-05-23T20:07:35 < zyp> why do you think?
2013-05-23T20:08:15 <+Steffanx> Nah, i would expect 3, not two
2013-05-23T20:08:50 < zyp> why would you expect three?
2013-05-23T20:08:51 <+Steffanx> Now it's not symmetric :P
2013-05-23T20:09:22 <+Steffanx> but i dont know much about that game, so i guess there is a good reason
2013-05-23T20:10:40 < zyp> the boards in the middle will sit in between four panels and therefore have four buttons, as in one for each, the boards in the corners will only sit next to one panel and the other edge boards will only sit next to two boards
2013-05-23T20:12:28 <+Steffanx> Nah, whatever. :P
2013-05-23T20:13:18 < zyp> hint: the panels touching the buttons will not be square
2013-05-23T20:13:25 < zyp> http://bin.jvnv.net/f/9o5rd.png
2013-05-23T20:14:55 < Robint91> zyp, something swastika related?
2013-05-23T20:15:11 < zyp> yeah, it's for jewbeat
2013-05-23T20:15:15 < gxti> another quality submission from Robint91
2013-05-23T20:15:36 < Robint91> gxti, at your service :p
2013-05-23T20:15:55 < karlp> well, dongs wasn't doing a good enough job of stepping up and delivering
2013-05-23T20:16:03 < karlp> neither was Laurenceb, someone had to!
2013-05-23T20:16:21  * karlp pins a medal on Robint91, "Thank you for your outstanding duty to the channel good sir!"
2013-05-23T20:16:38 <+Steffanx> but hey.. he did success thanks to karlp :)
2013-05-23T20:16:44 <+Steffanx> *succeed
2013-05-23T20:17:26 < Robint91> -_-
2013-05-23T20:17:48 <+Steffanx> Just show some more pictures of the next step of your project zyp :)
2013-05-23T20:18:00 <+Steffanx> ( when you're done with that step )
2013-05-23T20:18:15 < Robint91> wasn't flyback also in this channel?
2013-05-23T20:18:23 < zyp> need to get some plexi and mounting shit first
2013-05-23T20:18:48 <+Steffanx> WAS Robint91
2013-05-23T20:18:51 < zyp> which I don't get at this time of day
2013-05-23T20:19:22 <+Steffanx> order now have it tomorrow delivered?
2013-05-23T20:19:33 < zyp> from where?
2013-05-23T20:20:01 <+Steffanx> Don't know, don't know many norwegian stores/webshops
2013-05-23T20:20:06 < zyp> I mailed some local glass shop this morning, but I haven't gotten a reply yet
2013-05-23T20:20:51 <+Steffanx> Going to cut the weird shapes yourself?
2013-05-23T20:21:27 < zyp> dunno, gonna get the back plate first, then deal with panels later
2013-05-23T20:23:35 <+Steffanx> The perfect time to try the seeed laser cut service?
2013-05-23T20:25:13 < zyp> considered it, but me
2013-05-23T20:25:15 < zyp> meh
2013-05-23T20:25:56 < zyp> I just realized a while ago that instead of cutting a weird shape, I might be able to just use a square and tilt it so it hits the right buttons
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2013-05-23T20:34:59 <+Steffanx> The unifi works great btw.. didn't have any issues with wifi again, so far :)
2013-05-23T20:35:06 < zyp> nice
2013-05-23T20:35:16 < karlp> !dict unifi
2013-05-23T20:35:35 <+Steffanx> wifi accesspoint karlp
2013-05-23T20:35:42 < zyp> karlp, http://bin.jvnv.net/f/L5AsC.JPG
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2013-05-23T20:49:59 < karlp> everyone seems to like their ubiqiti devices :)
2013-05-23T20:51:39 < gxti> indeed
2013-05-23T20:52:30 <+Steffanx> whoa, a real ubiqiti fan club here?
2013-05-23T20:53:24 < gxti> zyp: putting a LCD under it like that video? maybe a dongspad?
2013-05-23T20:53:32 < karlp> no idea, they just seemd ot be popular and well liked.
2013-05-23T20:53:39 < zyp> gxti, yes
2013-05-23T20:54:19 < zyp> ipad would be too small, I'm going with a 22": http://bin.jvnv.net/f/7JytN.JPG
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--- Log opened Thu May 23 22:04:54 2013
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2013-05-23T22:21:40 < gxti> good job
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2013-05-23T22:50:55 < Laurenceb_> has anyone seen issues with ADC1 effecting ADC2  ?
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--- Day changed Fri May 24 2013
2013-05-24T00:01:40 < Laurenceb_> ive got a weird issue with ripple on adc1
2013-05-24T00:01:47 < Laurenceb_> it only appears sometimes
2013-05-24T00:02:12 < Laurenceb_> but once i turn the board on, if it has ripple, the ripple will stay until it is turned off again
2013-05-24T00:02:20 < Laurenceb_> something to do wiht startup....
2013-05-24T00:02:25 < Laurenceb_> any ideas?
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2013-05-24T00:10:45 < Laurenceb_> im out of ideas :(
2013-05-24T00:13:00 < Laurenceb_> ive got ADC1 running continuously with DMA, then ADC2 is running injected at 100hz from an isr
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2013-05-24T00:31:05 <+Steffanx> Laurenceb_ and his adc fetish :P
2013-05-24T00:34:31 < Laurenceb_> im wondering if ADC2 can inject current
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2013-05-24T00:43:05 < Laurenceb_> guess ill have to try it with ADC2 off first
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2013-05-24T03:12:31 < bairdy> dongs: I'm back again-- your display adapator was waiting for me. (It'll probably be a couple of months before I can do anything with it though... moving house) A neat bit of kit to have though.
2013-05-24T03:13:10 < dongs> haha
2013-05-24T03:13:15 < dongs> sure sure
2013-05-24T03:13:56 < bairdy> Or until the current housemate breaks her iPad (again..) and hopefully rip the screen from that. :)
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2013-05-24T03:16:42 < bairdy> I suppose some smartphones might have that dp-based display interface as well.
2013-05-24T03:17:18 < bairdy> Or, like, just buy a panel.
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2013-05-24T03:34:32 < dongs> haha
2013-05-24T03:34:39 < dongs> bairdy: i have some extra panels here..
2013-05-24T03:34:49 < dongs> btw, a lot of phone displays are MIPI not eDP
2013-05-24T03:34:56 < dongs> which is similar (but incompatible) trash
2013-05-24T03:36:09 < GargantuaSauce> ooh how much would you want for a display and your adapter board
2013-05-24T03:36:19 < GargantuaSauce> also when is the f3 naze happening
2013-05-24T03:36:36 < GargantuaSauce> i will definitely be throwing money in your direction when i get back from korea
2013-05-24T03:36:40 < GargantuaSauce> in like august
2013-05-24T03:39:31 < dongs> wtf are you doing in korea
2013-05-24T03:39:52 < dongs> and is it best or south
2013-05-24T03:39:58 < bairdy> I hope it's Best Corea.
2013-05-24T03:40:04 < dongs> thats waht im hoping
2013-05-24T03:40:37 < GargantuaSauce> south....uni exchage program
2013-05-24T03:41:06 < GargantuaSauce> i'm an employee not a student but a bunch of people cancelled and the opportunity to go just fell in my lap
2013-05-24T03:41:23 < BrainDamage> there's still a good chance you'll get kidnapped to best korea
2013-05-24T03:41:32 < GargantuaSauce> i look forward to it
2013-05-24T03:44:21 < bairdy> He needs an agent for selling Afrotech drone controllers..
2013-05-24T03:48:36 < dongs> GargantuaSauce: tickets to here is only $150 roundtrip from seoul
2013-05-24T03:49:12 < GargantuaSauce> is that an invitation? :V
2013-05-24T03:49:55 < GargantuaSauce> i totally do want to go to japan but i think i'll save it for a proper trip
2013-05-24T03:50:05 < GargantuaSauce> i'll probably be pretty fried by the end of the program
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2013-05-24T04:26:12 < talsit> if i use some USB cable for RS232 with GND & VCC, would the twisted pairs help or impeed the signals?
2013-05-24T04:28:14 < dongs> uh
2013-05-24T04:28:29 < dongs> you mean like repurposing usb as serial?
2013-05-24T04:28:39 < dongs> i dont think it matters at rs232 speeds.
2013-05-24T04:28:41 < talsit> repurposing the cable
2013-05-24T04:28:46 < dongs> at all
2013-05-24T04:29:11 < talsit> that's excellent news to me, thanks
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2013-05-24T05:35:04 < dongs> karlp: fuck yea
2013-05-24T05:35:15 < dongs> karlp: ISL3283EIHZ was mega cheap
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2013-05-24T08:16:31 < R2COM> chatz
2013-05-24T08:17:36 < emeb_mac> no chatz
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2013-05-24T08:22:28 < R2COM> I am now thinking to include countdown timer on some of my "while" loops to talk with some sensors
2013-05-24T08:22:49 < R2COM> just in case if something goes wrong in a system and sensor would give a shit
2013-05-24T08:23:11 < R2COM> so that the whole system does not hangup, but do action like... "redo it again" or "reset"
2013-05-24T08:24:28 < R2COM> hmm
2013-05-24T08:25:01 < R2COM> would be better to do it with delays, just with counting
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2013-05-24T08:45:14 < bairdy> Multiple emergency sirens and horns happening along the M4 right now..
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2013-05-24T09:30:21 < emeb_mac> timeout counters are pretty common in wait loops.
2013-05-24T09:31:50 < R2COM> yeah
2013-05-24T09:31:51 < R2COM> but
2013-05-24T09:31:57 < R2COM> I dont want to use hardware one
2013-05-24T09:32:28 < R2COM> just counting like delay+=1; and checking its value inside loop
2013-05-24T09:32:55 < emeb_mac> ya - that's what I do sometimes.
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2013-05-24T09:34:10 < jpa-> while (!foo && timeout--)   i always write it like that :P
2013-05-24T09:34:18 < R2COM> yeah
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2013-05-24T10:49:51 < R2COM> err
2013-05-24T10:49:57 < R2COM> what happened to my Suspend button
2013-05-24T10:50:09 < R2COM> I start debug, and "pause" or suspend button is not active
2013-05-24T10:50:22 < R2COM> I just can terminate it, but not pause as I usually do
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2013-05-24T10:56:18 < R2COM> now it worked
2013-05-24T10:56:25 < R2COM> could it be because of too many breakpoints?
2013-05-24T10:56:59 < R2COM> who knows, maybe its because I am using free toolchain :)
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2013-05-24T12:25:31 < Laurenceb_> http://www.b3tards.com/u/33c8c804092e39b83959/adebolajo.gif
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2013-05-24T13:04:48 <+Steffanx> nsfw i guess
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2013-05-24T13:08:56 < karlp> no, sfw, just incredibly boring.
2013-05-24T13:09:16 < karlp> dongs: glad to be of service, I'll let mr purchasing here know he's doing a good job :)
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2013-05-24T14:05:58 <+Steffanx> Heh, bought some multiple socket/plug thinkg ( for 230V) the box says it can handle 13500 A :D
2013-05-24T14:06:13 <+Steffanx> @ 230V
2013-05-24T14:06:31 <+Steffanx> *220
2013-05-24T14:13:03 < karlp> so, whoever told me that using the crc block to "hash" the 96bit unique id to a 48bit "serial" might not be robust enough?
2013-05-24T14:13:07 < karlp> yeah, you were right :|
2013-05-24T14:13:24 < karlp> got two boards here with the same serial number printed on them. awesome!
2013-05-24T14:15:18 < Tectu> I love my keyboard... just split a full half liter glas of coke over it
2013-05-24T14:15:19 < Tectu> still working
2013-05-24T14:15:26 < Tectu> swiss engineered keyboard ftw
2013-05-24T14:17:08 < dongs> karlp: yea and china has like 40k of htem
2013-05-24T14:24:11 < jon1012> karlp, got some stm32f4 with same chip id (was supposed to be unique)
2013-05-24T14:25:13 < karlp> the 96bit id bits you mean?
2013-05-24T14:25:32 < jon1012> yeah
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2013-05-24T14:28:12 < t1memob> Uh
2013-05-24T14:29:45 <+Steffanx> jon1012 chinese counterfeit monkeys ..
2013-05-24T14:30:05 < jon1012> Steffanx, bought them from radiospares :-/
2013-05-24T14:30:26 < jon1012> (I bought a plate of 50 chips)
2013-05-24T14:31:52 <+Steffanx> oh, radiospares is RS
2013-05-24T14:31:56 < jon1012> yeah
2013-05-24T14:33:06 < jon1012> I use the id for usb device id, and it permits me to identify devices in a multi device setup (from the host computer software)
2013-05-24T14:33:38 < jon1012> I have to break those same id chip to send them on card for different customers (as I couldn't use them together on same system)
2013-05-24T14:34:58 < karlp> yeah, same here, it's ok for different setups, more of a problem in our own inventory.
2013-05-24T14:35:12 < karlp> will probably just have the production programming write a serial number into eeprom instead
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2013-05-24T14:35:17 < karlp> oh, Laurenceb: http://palmtree.beeroclock.net/~karlp/zippe-armv7m-vecstate.gdb
2013-05-24T14:36:21 < jpa-> that's nice!
2013-05-24T14:36:36 <+Steffanx> nice
2013-05-24T14:36:39  * Steffanx copies
2013-05-24T14:37:07 <+Steffanx> We need a !help hardfault/unhandled interrupt helper  :)
2013-05-24T14:37:24 < karlp> yeah, I was clever enough when zippe posted it to keep a copy.
2013-05-24T14:37:27 < karlp> all his though.
2013-05-24T14:37:32 < karlp> or, someone he knows at least :)
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2013-05-24T14:47:19 < zyp> jon1012, I bet you didn't look at the entire 96 bits
2013-05-24T14:47:39 < zyp> for chips from the same batch, they will be very similar, only differing in a few bits
2013-05-24T14:48:37 < zyp> so you can't just pick parts of it to make a shorter id, you need to hash it in some way so every bit affects the result
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2013-05-24T14:53:11 < jon1012> zyp, http://pastebin.ca/2381304
2013-05-24T14:53:21 < jon1012> zyp, I thought I was taking everything
2013-05-24T14:55:27 < jon1012> zyp, but I may be wrong
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2013-05-24T15:02:04 < zyp> jon1012, no, you are right
2013-05-24T15:02:21 < zyp> are you sure all the 24 digits are equal?
2013-05-24T15:02:26 < jon1012> yeah
2013-05-24T15:02:37 < jon1012> had to send the cards to different clients to avoid problems
2013-05-24T15:03:15 < zyp> and according to mass storage spec, only the last 12 digits of the serial will be considered, so they have to be unique by themselves
2013-05-24T15:03:29 < zyp> not sure what the restrictions are for other classes
2013-05-24T15:03:36 < jon1012> I'm using CDC ACM
2013-05-24T15:20:57 < dongs> if you read the rm/datasheet where it talks about those unique ids, part of it is like x/y wafer position and another part is some other known data, etc, so its better to hash it before actually making use of it as unique id
2013-05-24T15:22:30 < karlp> yeah, but jon1012 was saying that the whole lot was equal.
2013-05-24T15:22:52 < karlp> and yeah, just running it into the crc block isn't enough
2013-05-24T15:23:03 < karlp> (unless I got matching uniqueids like jon1012)
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2013-05-24T16:22:34 < dongs> zyp, got anywhere faking jewpad lcd as mactrash enough so it tries to do hardware brightness buttons?
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2013-05-24T16:31:12 < zyp> no
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2013-05-24T16:32:15 < zyp> might help having a trace of the usb comms from a real one, but I don't know anybody who owns one
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2013-05-24T16:43:18 < dongs> haha
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2013-05-24T16:56:31 < Robint91> DIE TI DSPs, DIE MOFOs
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2013-05-24T16:56:42 < Robint91> stupid page bounderies
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2013-05-24T17:23:27 < gxti> try yelling some more
2013-05-24T17:23:32 < gxti> that will fix it
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2013-05-24T17:34:15 < Robint91> gxti, it doesn't
2013-05-24T17:34:37 < Robint91> gxti, pff code composer studio is shit and TI should feel bad
2013-05-24T17:34:51 < dongs> haha , some dude i know used to call that stuff cock composer
2013-05-24T17:34:59 < dongs> or crap composter
2013-05-24T17:35:00 < dongs>  i forgot
2013-05-24T17:35:07 < dongs> neither were very nice
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2013-05-24T17:37:29 < gxti> Robint91: why are you telling me about it?
2013-05-24T17:37:43 < Robint91> gxti, so you wouldn't  use it
2013-05-24T17:37:48 < Robint91> also I needed to vent
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2013-05-24T17:41:17 < dongs> http://i.imgur.com/EHx6HJA.jpg cool silk
2013-05-24T17:44:13 < karlp> cool silk?! what about the solder!
2013-05-24T17:44:51 < gxti> GNDSCLSDAGND
2013-05-24T17:45:04 < karlp> yeah, that's not awesome, but at least it's there!
2013-05-24T17:50:42 < zyp> CONTROLL
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2013-05-24T17:51:02 < dongs> ^
2013-05-24T17:51:43 < gxti> assuming dirrect controll
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2013-05-24T18:08:02 < talsit> is it typical to calibrate the RTC against a known source before sending your product off on its way?
2013-05-24T18:08:56 < zyp> not unless you ship it with batteries
2013-05-24T18:10:26 < talsit> as in, time it against a known source, take note of the drift, and store what to put in RTC_CALIBR in EEPROM or something?
2013-05-24T18:11:06 < zyp> oh, drift
2013-05-24T18:11:12 < talsit> yeah, calibrate
2013-05-24T18:11:14 < talsit> not set the time
2013-05-24T18:11:33 < jpa-> temperature variation is usually one of the largest sources of error
2013-05-24T18:11:38 < zyp> not sure how much point that would be
2013-05-24T18:11:42 < zyp> like jpa- said
2013-05-24T18:12:10 < jpa-> if you need more accurate, just pick up a pre-calibrated TCXO oscillator
2013-05-24T18:12:19 < zyp> it's probably pointless to muck around with unless you have a reference that you can periodically calibrate against
2013-05-24T18:13:10 < talsit> ok, cool
2013-05-24T18:13:22 < talsit> i do have a txco for the main oscillator
2013-05-24T18:13:30 < talsit> but not for the rtc
2013-05-24T18:13:58 < talsit> i may also look at the temperature offset
2013-05-24T18:14:10 < zyp> if the main oscillator is more accurate than the rtc, you could probably write a routine to calibrate against that
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2013-05-24T18:16:21 < talsit> as in, constantly?
2013-05-24T18:16:29 < talsit> and write to the calib reg?
2013-05-24T18:16:42 < jpa-> for example every few hours while it is on
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2013-05-24T18:19:12 < talsit> yep, nice idea
2013-05-24T18:19:48 < talsit> i noticed about a 1.5min drift over 4 weeks on my RTC
2013-05-24T18:24:02 < talsit> doing the temperature compensation will be more interesting
2013-05-24T18:33:57 < talsit> wow, the temperature sensor is incredibly rubbish
2013-05-24T18:40:28 < qyx_> temp sensor in stm32?
2013-05-24T18:42:18 < talsit> yep
2013-05-24T18:42:33 < talsit> it can vary up to 45C between chips
2013-05-24T18:42:43 < qyx_> it doens't have any absolute precision
2013-05-24T18:42:46 < qyx_> yepú
2013-05-24T18:45:02 < PaulFertser> With stm32l i used factory calibration data and the result (30C) matched very closely with what an infrared visor showed.
2013-05-24T18:46:05 < talsit> i need to get it to 25C first
2013-05-24T18:46:25 < PaulFertser> I'd expect the sensor in stm32f10x to be the same so if you can calibrate it once in the lab, it might be accurate enough.
2013-05-24T18:46:37 <+Steffanx> 45C talsit wut
2013-05-24T18:46:53 < talsit> Steffanx: that's what the datasheet says
2013-05-24T18:47:09 <+Steffanx> Yeah, but 45C :S
2013-05-24T18:47:41 < PaulFertser> They say it's still ok for relative measurements.
2013-05-24T18:47:48 < talsit> yep
2013-05-24T18:48:19 < talsit> which, unless you have *some* reference point, how useful is it?
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2013-05-24T18:49:49 < talsit> anyway, time to sleep
2013-05-24T18:49:57 < talsit> will deal with it tomorrow
2013-05-24T18:50:40 <+Steffanx> gn
2013-05-24T18:52:08 < talsit> thx
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2013-05-24T18:53:37 < karlp> PaulFertser: what factory calibration data on the 32l? the errra says it's not there
2013-05-24T18:55:33 < PaulFertser> karlp: the errata for early chips
2013-05-24T18:55:48 < PaulFertser> karlp: those that are currently produced have that fixed
2013-05-24T18:56:17 < PaulFertser> karlp: chips i use have factory data both for vref and temp sensor all right.
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2013-05-24T18:57:32 < karlp> huh, I thought I'd downloaded the latest errata sheet and they said it was still busted
2013-05-24T18:57:35 < karlp> awesome,
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2013-05-24T18:59:40 < karlp> um, stm32l151c6, medium density, latest errata is rev7, which still says, factory trimming values not available, workaround: measure on customer production line and store in eeprom.
2013-05-24T18:59:45 < karlp> what are you using?
2013-05-24T19:02:55 < PaulFertser> karlp: stm32l152
2013-05-24T19:03:02 < SilverHornet9> Has anyone heard about some erata for DMA in the STM32f2xx family that prevents more than simultaneous use of 2 DMA channels?
2013-05-24T19:03:21 < SilverHornet9> Correction streams?
2013-05-24T19:03:36 < karlp> this errata sheet says it's for STM32L15xx6, STM32L15xx8 and STM32L15xxB
2013-05-24T19:03:43 < karlp> which should cover yours too,
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2013-05-24T19:05:14 < PaulFertser> karlp: hm, strange, let me check, i see it myself now.
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2013-05-24T19:06:31 < PaulFertser> karlp: damn, really strange. Apparently my samples have them "ok".
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2013-05-24T19:09:45 < PaulFertser> karlp: in fact datasheet says the upper value is for 110C, not 90C, so errata is inapplicable :) On their forums they state at least some devices have the data programmed correctly.
2013-05-24T19:10:08 < PaulFertser> Meh, why is ST so insane...
2013-05-24T19:11:02 < PaulFertser> btw, their stm32ldiscovery boards display temperature on LCD and it is about accurate afaik.
2013-05-24T19:11:20 < karlp> yeah, it has single point calibration built in, right?
2013-05-24T19:11:37 < karlp> good to know it might be an errat they're actually fixing.
2013-05-24T19:21:12 < dongs> SilverHornet9: something about dcmi + ADC, few daysd ago in this channel . no idea besides taht
2013-05-24T19:22:48 < SilverHornet9> dongs: Thanks, I'll keep digging.
2013-05-24T19:27:10 < PaulFertser> SilverHornet9: http://blog.frankvh.com/2012/01/13/stm32f2xx-stm32f4xx-dma-maximum-transactions/
2013-05-24T19:28:46 < SilverHornet9> PaulFertser: Thanks. I need to figure out if I can run 2 channels of DMA SIO and ethernet.
2013-05-24T19:29:37 < SilverHornet9> Sorry, channels = transactions (old reflexes)
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2013-05-24T22:42:23 < Laurenceb_> http://s2.b3ta.com/host/creative/5680/1369419594/spectrum.gif
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2013-05-25T01:54:01 < BrainDamage> Laurenceb_'s grade link: http://25.media.tumblr.com/3c548d3294748846e69f9e0ee4d02e48/tumblr_mn8dobOZom1rw111bo6_400.jpg
2013-05-25T01:55:10 < Laurenceb_> http://24.media.tumblr.com/d960d89853fa5838850ef2fe3c471893/tumblr_mnb70roLOy1r8wte9o1_500.jpg
2013-05-25T01:56:24 < Laurenceb_> looks like something from the same people
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2013-05-25T02:15:18 < karlp> BrainDamage: those look cool!
2013-05-25T02:15:26 < Laurenceb_> lol
2013-05-25T02:16:24 <+Steffanx> or not
2013-05-25T02:18:12 < Laurenceb_> www.youtube.com/watch?v=irGQ-lYXLq8
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2013-05-25T02:21:06 <+Steffanx> Take your fetishes out of here Laurenceb_
2013-05-25T02:21:26 <+Steffanx> (or whatever it is fetishs? )
2013-05-25T02:23:43 < emeb_mac> omg - that was Alyson Hannigan!
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2013-05-25T02:42:41 <+Steffanx> uh emeb_mac?
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2013-05-25T02:59:29 < dongs> https://fbcdn-sphotos-b-a.akamaihd.net/hphotos-ak-ash4/293003_10151673714996341_1944416914_n.jpg attn
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2013-05-25T03:09:34 < emeb_mac> Steffanx: what?
2013-05-25T03:10:11 < dongs> who?
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2013-05-25T03:10:51 < emeb_mac> the fat chick in the video Laurenceb linked - same actress who played Willow on Buffy the Vampire Slayer.
2013-05-25T03:11:01 < emeb_mac> Obviously in a fat suit.
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2013-05-25T03:12:28 < karlp> it's the steps in how I met your mother's house isn't it?
2013-05-25T03:13:20 < dongs> wat
2013-05-25T03:15:21 < karlp> pop culture mang, get widdit
2013-05-25T03:16:53 < gxti> or don't
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2013-05-25T05:49:00 < R2COM> I command the chats to march into the room
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2013-05-25T05:53:20 < dongs> #APPEARS AS TIKI
2013-05-25T05:53:41 < R2COM> great
2013-05-25T05:53:52 < R2COM> :)
2013-05-25T05:53:59 < dongs> i need to get ms chat installed again.
2013-05-25T05:54:04 < dongs> i wonder what R2COM would look like
2013-05-25T05:54:05 < R2COM> what is ms chat?
2013-05-25T05:54:09 < dongs> ...
2013-05-25T05:54:15 < dongs> http://upload.wikimedia.org/wikipedia/en/thumb/6/62/MsComicChat.png/599px-MsComicChat.png
2013-05-25T05:54:30 < zyp> R2COM, the reason for comic sans
2013-05-25T05:54:42 < R2COM> heh
2013-05-25T05:54:52 < R2COM> Interesting, i never heard of those
2013-05-25T05:55:01 < dongs> ^ internet newb
2013-05-25T05:55:32 < dongs> looks like T2 shit is some hardware fuckup
2013-05-25T05:55:35 < dongs> evb works fine
2013-05-25T05:55:57 < dongs> bbl
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2013-05-25T06:20:25 < bairdy> lol Linux-- I've just successfully built GCC on a machine with just 8MB of RAM..
2013-05-25T06:30:03 < GargantuaSauce> that must have been a truly enjoyable experience
2013-05-25T06:31:07 < R2COM> heh
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2013-05-25T07:22:20 < dongs> im sure miles of garbage that scrolled by your 80x25 console can never be forgotten
2013-05-25T07:23:21 < R2COM> hehe
2013-05-25T07:24:09 < R2COM> I remember old times programming on some freaking soviet machine in my highschool
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2013-05-25T08:17:59 < bairdy> It was motivated by seeing someone whining about a embed Linux board with 'only' 64MB..
2013-05-25T08:18:15 < R2COM> I think I had much less memory...
2013-05-25T08:18:29 < R2COM> I was even doing some mechanical CAD there
2013-05-25T08:18:30 < R2COM> !
2013-05-25T08:18:56 < R2COM> for 3D parts
2013-05-25T08:19:31 < R2COM> I remember I even had some kind of quizz'es! for entering specigic part and editing it
2013-05-25T08:20:07 < R2COM> it was not Linux...
2013-05-25T08:20:48 < bairdy> My first real contact with a >8 bit computer was using Protel PCB(?) on a Compaq 8086 luggable. Had a plasma screen..
2013-05-25T08:21:03 < bairdy> MSDOS2.11 days.
2013-05-25T08:21:17 < R2COM> heh
2013-05-25T08:21:29 < R2COM> i had CRT screen and mean instructor
2013-05-25T08:22:04 < R2COM> at that time I did not had such machine at home, its later, i had one...
2013-05-25T08:28:31 < R2COM> but that was half of fun, more fun my dad had... with S-125 missile system and their weird computer systems
2013-05-25T08:29:02 < bairdy> The russian machine-- something like their Apple2-clone Agat?
2013-05-25T08:29:09 < R2COM> nah...
2013-05-25T08:29:13 < R2COM> its something else
2013-05-25T08:29:33 < R2COM> (for military stuff, something else)
2013-05-25T08:30:53 < bairdy> There's an old story that there was a Soviet missile that used a black-market Apple2 entirely-potted in epoxy as the flight system. :)
2013-05-25T08:31:05 < R2COM> nah
2013-05-25T08:31:24 < R2COM> all soviet missile control systems were custom designed
2013-05-25T08:31:39 < R2COM> sometimes they were some sort of clones, like Sidewinder
2013-05-25T08:32:08 < R2COM> but sometimes during the reverse-engineering process, it was discovered that original soviet one was better than US one, and no clone was made
2013-05-25T08:33:43 < R2COM> if you thin about it, Buran-Energia did autonomous landing by itself, unlike Shuttle... heh...
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2013-05-25T08:35:11 < bairdy> A pity that never got into full-service. Parts of a Buran actually came to the Sydney Powerhouse Museum a while back.
2013-05-25T08:35:21 < R2COM> maybe
2013-05-25T08:35:36 < R2COM> Buran was nothing but just a showoff like "we can do it too if we want"
2013-05-25T08:35:48 < R2COM> Buran was not something what we demanded...
2013-05-25T08:35:55 < R2COM> it ws done entirely for fun purpose
2013-05-25T08:35:58 < bairdy> I knew one of the curators, who was a mad space freak.
2013-05-25T08:36:30 < R2COM> in general, Buran/Shuttle like stuff is not needed most of the time
2013-05-25T08:36:40 < R2COM> so, it was done just to show-off capabilities
2013-05-25T08:36:41 < bairdy> Australia made our own Shuttle knock-off too! :D .. http://hunter.apana.org.au/~cjb/Image/Newcastle_Space_Shuttle/
2013-05-25T08:36:44 < R2COM> not for practical stuff
2013-05-25T08:37:05 < R2COM> lol
2013-05-25T08:37:38 < R2COM> :P
2013-05-25T08:38:26 < R2COM> but NASA liked alot soviet Rd-170/180 engines, and used them heh...
2013-05-25T08:38:54 < R2COM> although in russia RD-170/180 considered an ancient technology
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2013-05-25T08:43:15 < bairdy> From what I remember being told, the actual physical blueprints for the American shuttle were in the Public Domain (well, for anyone who wasn't Russian :) -- so Carrington Engineering had to only pay office fees for them. (and no licencing costs, etc.)
2013-05-25T08:43:49 < R2COM> heh
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2013-05-25T08:44:05 < R2COM> in fact, there were some significant differences between shuttle and buran
2013-05-25T08:45:30 < R2COM> :)
2013-05-25T08:47:00 < R2COM> if I am correct Shuttle used Fortran
2013-05-25T08:47:06 < R2COM> Buran used completely customized stuff
2013-05-25T08:47:36 < R2COM> for on board processing
2013-05-25T08:47:44 < R2COM> :)
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2013-05-25T08:54:17 < bairdy> Any knowledge about Buran having co-orbital ability? The Dyna-soar and Shuttle had it as an original specification, but got removed for various reasons.
2013-05-25T08:55:01 < R2COM> well Buran did plenty of fancy things which were calssified too
2013-05-25T08:55:32 < R2COM> but hey, its all big flight was without human control, including landing
2013-05-25T08:57:02 < bairdy> Another funny Shuttle story was how the Russians tracked it with a laser on the first Colombia flight. :)
2013-05-25T08:57:16 < R2COM> yeah I know
2013-05-25T08:57:29 < R2COM> there were some diplomatic objections regarding that
2013-05-25T08:57:43 < R2COM> it was said that some sort of laser weapon was applied
2013-05-25T08:58:13 < bairdy> ..another advantage of not needing a human pilot. :)
2013-05-25T08:58:19 < R2COM> true
2013-05-25T08:59:54 < bairdy> I hope they kept the tradition for the X37B..
2013-05-25T09:00:51 < dongs> sup chats
2013-05-25T09:02:59 < R2COM> dongs: lots of stuff! many projects, many plans, competitions, shits and stuff!
2013-05-25T09:03:28 < dongs> im taking pics of my dick with flir
2013-05-25T09:05:38 < emeb_mac> microscope? :P
2013-05-25T09:14:53 < bairdy> R2COM: "Hey, I need to photograph something from orbit."
2013-05-25T09:15:29 < R2COM> hehe
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2013-05-25T14:50:11 < Luggi09> hi guys, is 200€ for a used Rigol DG1022 a bad deal? I'm just thinking of buying one on ebay
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2013-05-25T15:05:03 < dongs> uh
2013-05-25T15:05:19 < dongs> its *new* $380 list price
2013-05-25T15:05:33 < dongs> and function generator?
2013-05-25T15:05:39 < dongs> you can just do that shit with STM32
2013-05-25T15:05:40 < Luggi09> her you can get it for 340€
2013-05-25T15:05:46 < Luggi09> *her
2013-05-25T15:05:46 < dongs> 5mhz max square wave?
2013-05-25T15:05:54 < Luggi09> *here
2013-05-25T15:06:47 < Luggi09> yep seems like it, so rather a waste of money ?
2013-05-25T15:07:05 < dongs> i would say so, i mean you can easily generate everything that thing does with a STM32
2013-05-25T15:07:20 < dongs> might not be as user firendly but
2013-05-25T15:07:28 < dongs> you can make 168mhz square waves with F4 :)
2013-05-25T15:07:50 < zyp> except they won't be very square
2013-05-25T15:07:58 < Luggi09> sure, but you don't have a 100ms dac with 14 bits resolution
2013-05-25T15:08:02 <+Steffanx> dong also made his own scope, power supply with a stm32 :P
2013-05-25T15:08:06 <+Steffanx> *dongs
2013-05-25T15:08:21 <+Steffanx> He even watches TV using a stm32
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2013-05-25T15:08:26 < Luggi09> lol
2013-05-25T15:08:49 < ABLomas> well, at least my stb has stm32 inside
2013-05-25T15:08:52 < ABLomas> so not a big deal
2013-05-25T15:08:54 < ABLomas> ;-)
2013-05-25T15:08:55 <+Steffanx> logic analyzer? Meeh. stm32
2013-05-25T15:10:21 < Luggi09> so what does everybody else think, waste of money or not, it would be nice for some cases
2013-05-25T15:10:22 < karlp> we have a rigol function generator like that at work,
2013-05-25T15:10:28 < karlp> might be the exact same model, but pretty close
2013-05-25T15:10:48 <+Steffanx> and you like it?
2013-05-25T15:10:55 < karlp> it's nice enough, but I don't think I'd pay 200€ for it.
2013-05-25T15:11:00 < karlp> certainly not 380.
2013-05-25T15:11:35 < karlp> if you try and set a given mV output size, you need to _tell it_ what load it's driving.
2013-05-25T15:11:51 < karlp> or be careful with input impedance shit.
2013-05-25T15:12:19 < karlp> I would have liked to be able to steer it from a pc,
2013-05-25T15:12:31 < karlp> btu the rigol pc software is pretty shit.
2013-05-25T15:12:42 < karlp> it has an ethernet port and you can browse to it,
2013-05-25T15:12:55 < karlp> and you get this crazy picture of the front display and can press "buttons" in an imagemap crap
2013-05-25T15:12:56 <+Steffanx> heh
2013-05-25T15:13:06 < karlp> which is hardly what I wanted.
2013-05-25T15:13:33 <+Steffanx> Did you mention that before? I remember something mentioning some device with the good old image maps
2013-05-25T15:13:47 <+Steffanx> *someone
2013-05-25T15:14:17 < Luggi09> yeah the price is a bit much, I think I'll get it anyway, at the worst case I'll just sell it again
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2013-05-25T15:15:53 < Luggi09> but to be fair I also encountered that impedance stuff on agilent arbitrary function generators
2013-05-25T15:16:24 < karlp> Steffanx: yeah, probably me.
2013-05-25T15:16:46 < karlp> Luggi09: yeah, I guess, it was just a bit annoying. but I understand it
2013-05-25T15:20:30 < Luggi09> karlp: yeah, I spent about 10min trying to figure out what I did wrong :) but it makes sense with the 50ohm output I guess
2013-05-25T15:22:20 < Luggi09> btw I nearly finished my first small stm32 project, a ctcss decoder on a stm32f100 implemented with a goerzel filter
2013-05-25T15:22:36 < Luggi09> when it works I'll put the code on github
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2013-05-25T15:52:01 < dongs> watching 12 monkeys hd-dvd , never seen before
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2013-05-25T15:57:13 <+Steffanx> Not that movie.. that move is weird dongs
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2013-05-25T15:58:32 < dongs> i like weird stuff and its not like theres much worth watching
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2013-05-25T16:26:05 < Robint91> dongs, good movie!
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2013-05-25T16:26:39 <+Steffanx> No weird movie
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2013-05-25T16:32:52 < dongs> good so far
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2013-05-25T16:35:48 <+dekar_> dongs, can you actually get 168mhz square waves out of an stm32f4? How would you do that?
2013-05-25T16:35:59 < dongs> dekar_: cant you run timers @ sysclk?
2013-05-25T16:36:06 < dongs> probably wont be very square :)
2013-05-25T16:36:27 <+dekar_> I thought I read the pins were limited to 100mhz or something
2013-05-25T16:37:29 < dongs> you can drive pins configured for 2mhz at 100, but the drive will be shit
2013-05-25T16:38:33 < dongs> cant MCO output sysclk?
2013-05-25T16:38:35 < dongs> or only sysclk/2
2013-05-25T16:38:47 <+dekar_> "– Up to 136 fast I/Os up to 84 MHz"
2013-05-25T16:38:52 < dongs> mkay.
2013-05-25T16:39:15 <+dekar_> reasonably fast nonetheless :)
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2013-05-25T16:50:56 < Laurenceb_> itll probably work
2013-05-25T16:51:11 < Laurenceb_> just use a schmitt trigger follower
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2013-05-25T18:14:45 < dongs> 12monkeys was pretty good. now i can sleep
2013-05-25T18:16:52 <+Steffanx> gn
2013-05-25T18:16:54 <+Steffanx> sleep well
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2013-05-25T18:47:22 < Laurenceb_> http://www.b3tards.com/u/04d821dabf7fcbecc84b/sinclairspeculumzx.jpg
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2013-05-25T19:53:43 <+Steffanx> Can i ask you a stupid question Laurenceb_?
2013-05-25T19:54:02 < Laurenceb_> wut
2013-05-25T19:54:29 <+Steffanx> Will you ever grow up?
2013-05-25T19:54:34 < Laurenceb_> NO
2013-05-25T19:54:42  * Laurenceb_ heads back to /b/
2013-05-25T19:55:08 <+Steffanx> back?
2013-05-25T19:55:26 < talsit> Steffanx: where do you think we found him?
2013-05-25T19:55:39 <+Steffanx> He actually found us..
2013-05-25T19:55:56 < talsit> (shhh... that's what we want him to believe)
2013-05-25T19:56:17 < Laurenceb_> lol
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2013-05-25T20:20:41 < Laurenceb_> http://www.raspberrypi.org/
2013-05-25T20:20:43 < Laurenceb_> no way
2013-05-25T20:20:49 < Laurenceb_> they did something useful
2013-05-25T20:25:04 <+Steffanx> Heh, and RS failed
2013-05-25T20:25:33 <+Steffanx> I ordered some random micro usb power supplies/adapters from them and received two rpi cameras :P
2013-05-25T20:27:29 < Laurenceb_> hmm
2013-05-25T20:27:42 < Laurenceb_> which was more expensive?
2013-05-25T20:27:49 <+Steffanx> The cameras for sure
2013-05-25T20:27:52 <+Steffanx> at least 4 times
2013-05-25T20:27:53 < Laurenceb_> nice
2013-05-25T20:27:57 < Laurenceb_> so no fail there
2013-05-25T20:28:27 <+Steffanx> Actually quite failish. Now i have two cameras i wont use
2013-05-25T20:29:05 < ABLomas> heh
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2013-05-25T20:30:40 <+Steffanx> I probably shouldn't say this in here, but i actually have a rpi running atm :P
2013-05-25T20:31:08 <+Steffanx> It just serves as a not so cheap printer server, vpn server and quasselcore ( irc )
2013-05-25T20:31:35 < jpa-> you can use the cameras to make it print naked pictures of you automatically
2013-05-25T20:32:47 <+Steffanx> Useless, you would only look at them and you already have enough of them
2013-05-25T20:33:26 < talsit> i wish my sdcard connector would have a pre-eject detect switch
2013-05-25T20:34:04 <+Steffanx> pre-eject?
2013-05-25T20:34:16 <+Steffanx> Like a motion sensor that detect motion near to the sd card?
2013-05-25T20:34:23 <+Steffanx> *detects
2013-05-25T20:34:31 < talsit> when you push it in to eject, before the card loses contact,
2013-05-25T20:34:50 < talsit> one of those push-push sd card connectors
2013-05-25T20:35:22 < jpa-> put a cover and switch in front of the slot, like in some digital cameras
2013-05-25T20:35:26 <+Steffanx> I like my idea more
2013-05-25T20:36:01 < talsit> i'll put a big warning sticker for v1
2013-05-25T20:36:16 < talsit> but that connector can't be that hard to make
2013-05-25T20:36:23 < talsit> does anyone know of such a thing?
2013-05-25T20:38:30 <+Steffanx> pass
2013-05-25T20:38:39 < Laurenceb_> to sync file before eject?
2013-05-25T20:38:45 < talsit> yep
2013-05-25T20:38:49 < Laurenceb_> i see
2013-05-25T20:39:06 < Laurenceb_> most sd card holders have a insertion detect switch
2013-05-25T20:39:14 < Laurenceb_> have you tried seeing when it triggers?
2013-05-25T20:39:24 < Laurenceb_> it might be possible to use it
2013-05-25T20:39:32 < talsit> yep, by the time it triggers, it's a bit too late
2013-05-25T20:39:40 < talsit> i should actually time it
2013-05-25T20:40:01 < Laurenceb_> note that SD cards can take several hundered ms to sync
2013-05-25T20:40:12 < Laurenceb_> i have some cards that take up to 500ms
2013-05-25T20:40:20 < Laurenceb_> so im not sure if this idea is workable
2013-05-25T20:40:38 < talsit> yeah, i figured that
2013-05-25T20:40:47 < talsit> so, big fat sticker it is then
2013-05-25T20:43:06 < talsit> ok, thanks guys, time to bed
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2013-05-26T01:21:43 < R2COM> strange, if I declare uninitialized three different buffers of type uint8_t  and size 256, the chip generates unspecified interrupt during debug
2013-05-26T01:22:31 < R2COM> like uint8_t   a1[256];
2013-05-26T01:22:50 < R2COM> so 4 rows like that in a code, and it enters interrupt
2013-05-26T01:22:55 < R2COM> 3 rows like that its fine
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2013-05-26T01:34:14 < R2COM> yeah I better used static for that
2013-05-26T01:36:47 < GargantuaSauce> congratulations, you've discovered the stack overflow
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2013-05-26T02:12:00 < emeb> Oh, snap!
2013-05-26T02:14:04 < zyp> so, what's up?
2013-05-26T02:15:35 < zyp> emeb, been doing anything fun lately?
2013-05-26T02:22:14 < emeb> zyp: mostly working the day job.
2013-05-26T02:22:22 < emeb> (doing that now :( )
2013-05-26T02:22:39 < zyp> om a saturday evening?
2013-05-26T02:22:45 < emeb> ya
2013-05-26T02:22:57 < emeb> taking some days off next week, so pre-loading...
2013-05-26T02:23:01 < zyp> ah
2013-05-26T02:23:08 < zyp> what are you doing for a living nowadays?
2013-05-26T02:23:28 < emeb> doing system engineering on software-defined radio stuff.
2013-05-26T02:24:25 < emeb> we're designing a VHF airband transceiver for use in light aircraft - does voice and navigation. Interesting to learn all these ancient waveforms.
2013-05-26T02:24:46 < zyp> :)
2013-05-26T02:24:57 < zyp> ancient and reliable? ;)
2013-05-26T02:25:39 < emeb> yep. considering all this stuff could be done with tubes it feels like overkill throwing FPGAs at it.
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2013-05-26T02:42:05 < BJfreeman> filiaments you know
2013-05-26T02:42:26 < BJfreeman> and harmonic ringing
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2013-05-26T02:48:50 < emeb> most of these NAV waveforms could easily be done with DSP on an STM32.
2013-05-26T02:49:03 < talsit> zlog
2013-05-26T02:49:03 < zlog> talsit: Log stored at http://tom-itx.dyndns.org:81/~tom-itx/irc/logs/%23%23stm32/2013-05-25.html
2013-05-26T02:57:48 < gxti> for some reason a previously functional stm32 is no longer flashing, gdb (with bmp) just says 'failed to load'
2013-05-26T02:58:11 < gxti> i did manage to invoke mass_erase and before that it was still running and debugging the code that was on there before :|
2013-05-26T03:02:08 < zyp> gxti, which kind?
2013-05-26T03:02:46 < zyp> gxti, could it be related to this: https://github.com/gsmcmullin/blackmagic/issues/5 ?
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2013-05-26T03:08:11 < gxti> never mind, linker script issue
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2013-05-26T03:08:32 < gxti> i was trying to flash an older version of my code but there was a difference in makefiles that ended up producing something odd
2013-05-26T03:09:30 < gxti> got confused because at one point i started getting errors just attaching, but that was probably an unrelated BMP bug
2013-05-26T03:11:31 < gxti> somtimes it wigs out and i have to replug usb
2013-05-26T03:19:08 < emeb> I just love how Ubuntu 12.04LTS seems to want to update the kernel about every other day.
2013-05-26T03:34:35 <+dekar_> I tried to install ubuntu 13.04 on some embedded x86 using the alternate/netinstall installer (the normal one told me the 4gb SSD wasn't big enough) and it ended up failing to install grub. So I chrooted into it intending to fix it myself and realized I have no clue how Ubuntu works. /etc/resolv.conf was an orphaned symlink pointing to some /run subdirectory. Manual grub-install, fixed the installation up at least.
2013-05-26T03:35:24 <+dekar_> Also they seem to ship aptitude again. O.o
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2013-05-26T04:28:55 < talsit> what's the advantage of the CCM?
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2013-05-26T05:04:11 < zyp> which CCM?
2013-05-26T05:04:18 < zyp> the F3 or F4 one?
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2013-05-26T05:07:20 < zyp> in either case the CCM is exclusive to the CPU so the CPU doesn't have to wait because it's accessed by DMA
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2013-05-26T05:08:23 < zyp> in F3 the CCM is on the instruction bus, and is faster than the flash, so putting hot functions in CCM will speed up execution a bit
2013-05-26T05:09:20 < zyp> in F4 the CCM is on the data bus, so it's intended for letting the CPU do stuff while DMA is accessing the normal SRAM at the same time
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2013-05-26T06:49:51 < talsit> zyp: sorry, had to go away for abit
2013-05-26T06:49:56 < talsit> the F4
2013-05-26T06:50:13 < talsit> so the CCM can't be used by DMA
2013-05-26T06:50:32 < zyp> no, it's only available for the cpu
2013-05-26T06:50:44 < talsit> cool
2013-05-26T06:50:45 < talsit> thanks!!
2013-05-26T06:50:50 < talsit> that kinda makes more sense now
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2013-05-26T07:07:05 < R2COM1> haha reading the whole spi memory chip and passing it to uart->PC on 115200 is kinda slow xD
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2013-05-26T07:17:27 < R2COM> hmm looks like ST's usb library requires attaching STDPeriph shit...
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2013-05-26T07:33:20 < dongs> of course
2013-05-26T07:33:35 < dongs> how is that a surprise
2013-05-26T07:34:02 < R2COM> on the other hand, if one already decided to use ST's library for usb... yea then use their other lib to connect it to hardware
2013-05-26T07:34:10 < R2COM> I wonder if it works good?
2013-05-26T07:34:14 < R2COM> ST's USB implementation
2013-05-26T07:36:51 < dongs> i spent a day fucking with it then used keil lib instead.
2013-05-26T07:37:00 < R2COM> hm
2013-05-26T07:37:15 < dongs> ST bootloader DFU demo worked quite well tho
2013-05-26T07:37:17 < R2COM> would that require other stuff from keil or something?
2013-05-26T07:37:30 < dongs> yeah, you cant use that outside of keil
2013-05-26T07:37:33 < dongs> just get st usb shit wroking
2013-05-26T07:37:36 < dongs> im probalby dumnbv
2013-05-26T07:38:01 < R2COM> well, next time then, no time for shitting with it now, but one day I might have to
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2013-05-26T07:38:35 < R2COM> hmm i see theres also coocox stuff for that
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2013-05-26T07:46:25 < dongs> coocox has usb lib?
2013-05-26T07:46:37 < R2COM> just saw some hits on google
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2013-05-26T08:46:28 < talsit> i'm trying to get a bootloader for the stm32f1 working on the stm32f4, and there are some difference, i know
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2013-05-26T08:46:44 < talsit> but the main one, for me, with the docs, is that on the f1, it talks about pages
2013-05-26T08:46:48 < talsit> and the f4, sectors
2013-05-26T08:46:58 < talsit> are they the same thing?
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2013-05-26T08:58:53 < dongs> flash pages?
2013-05-26T08:58:57 < dongs> why not just use a fucking F4 bootloader
2013-05-26T08:59:00 < dongs> from ST USB lib
2013-05-26T08:59:09 < talsit> because i'm doing it from sd card
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2013-05-26T09:51:11 < talsit> anyone here has any experience with custom bootloaders?
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2013-05-26T09:54:55 < dongs> Laurenceb did a mass storage SD one
2013-05-26T09:55:00 < dongs> where you drop a bin or whatever
2013-05-26T09:55:05 < dongs> into sd card.
2013-05-26T09:55:18 < talsit> yeah, that's exactly what i need
2013-05-26T09:55:29 < dongs> go copy his shit hten
2013-05-26T09:55:34 < dongs> its somewhere in his github
2013-05-26T09:55:44 < talsit> will search, thanks
2013-05-26T09:55:47 < dongs> https://github.com/Laurenceb
2013-05-26T09:55:54 < dongs> i think logger has bootloader
2013-05-26T09:55:57 < dongs> no idea.
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2013-05-26T10:14:21 < dongs> or you can ask him next time he trolls by in here
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2013-05-26T10:58:36 < talsit> partial success!
2013-05-26T10:58:49 < talsit> i get what my confusion was
2013-05-26T10:59:11 < talsit> the f1 has a very different flash memory layout than the f4
2013-05-26T10:59:20 < dongs> it does
2013-05-26T10:59:55 < talsit> the f1 is organised in equal-sized pages
2013-05-26T11:00:06 < talsit> which is why i've seen them called pages
2013-05-26T11:00:40 < talsit> but the f4 has 4x16k + 1x64k + 6x128k
2013-05-26T11:01:17 < talsit> from what i can see
2013-05-26T11:01:47 < talsit> so finding out which "sector" i have to erase before flashing is not just a macro, but a function to find out where it lies
2013-05-26T11:01:56 < talsit> FUN
2013-05-26T11:04:15 < talsit> why would they do something that confusing?
2013-05-26T11:04:23 < talsit> is there any advantage?
2013-05-26T11:13:16 < dongs> yeah
2013-05-26T11:18:21 < talsit> apart from ease of implementation
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2013-05-26T11:32:37 < talsit> if my target is one of the 128kb ones, i have to erase the whole thing first, right?
2013-05-26T11:33:12 < jpa-> if there is old data in it, yeah
2013-05-26T11:33:31 < jpa-> you can also erase it once and write to it little-by-little
2013-05-26T11:33:44 < talsit> why can't i just write the bytes i care about?
2013-05-26T11:33:53 < dongs> you can, after erasing it
2013-05-26T11:34:21 < dongs> also become fun when you wanna implement fatfs on top of internal flash
2013-05-26T11:34:25 < jpa-> talsit: the way flash works, it is erased by high voltages - and the high voltage cannot be applied to individual cells, it is either the whole block or nothing
2013-05-26T11:34:50 < jpa-> (as for why they have used larger sectors - i guess it is cheaper and/or uses less power)
2013-05-26T11:35:01 < talsit> ah, so, when i write bytes, it writes the 1's but leaves the 0's (or viceversa
2013-05-26T11:35:03 < talsit> )
2013-05-26T11:35:14 < jpa-> talsit: erase erases to 0xFF, you can then write zeros
2013-05-26T11:35:28 < talsit> so i can set bits to 0, but i can't set bits to 1, right?
2013-05-26T11:35:44 < talsit> ah, makes sense
2013-05-26T11:36:04 < jpa-> yeah - though some silly flash chips have an inverter there so that it is the opposite - but stm32 is not one of those
2013-05-26T11:36:22 < talsit> but those details are hidden from me, right?
2013-05-26T11:36:33 < jpa-> how so?
2013-05-26T11:36:33 < talsit> i just erase the whole sector if i'm going to write to it
2013-05-26T11:36:46 < jpa-> well, if you need to erase, sure
2013-05-26T11:37:16 < talsit> i'm talking about the details whether, when I write a byte, does it set the 0's or the 1's after an erase
2013-05-26T11:37:19 < jpa-> for example the ST appnote erases it only when it gets full, then it writes little log-style entries there as data is updated
2013-05-26T11:39:40 < talsit> so, my basic workflow would be: read an intel hex8 entry, if dst sector hasn't been erased, erase the whole thing, then flash that entry, rinse, repeat
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2013-05-26T11:40:00 < jpa-> ah, if you are writing a bootloader, just erase unconditionally
2013-05-26T11:40:28 < talsit> wouldn't it be better to erase just the sectors that are touched?
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2013-05-26T11:40:49 < talsit> my bootloader is in sectors #0 & #1
2013-05-26T11:40:50 < jpa-> well sure, you don't want to do a bulk erase as that would get rid of your bootloader also
2013-05-26T11:41:01 < jpa-> but i mean, you don't have to worry about write cycles then
2013-05-26T11:41:20 < jpa-> as bootloaders are not used that often that the 10 000 cycles would run out
2013-05-26T11:41:53 < talsit> yeah, so verify that the dst sector is NOT in the bootloader part, just in case someone puts a crappy hex file in there
2013-05-26T11:42:21 < talsit> i've decided to place my program in 0x08020000, so the start of the 128kb sectors
2013-05-26T11:42:33 < dongs> uh
2013-05-26T11:42:37 < dongs> what why
2013-05-26T11:43:00 < dongs> 0&1 is how big?
2013-05-26T11:43:05 < dongs> 8k/e?A
2013-05-26T11:43:07 < talsit> 16kb each
2013-05-26T11:43:09 < dongs> uh
2013-05-26T11:43:21 < dongs> around 10-12k is max you need for usb bootloader
2013-05-26T11:43:28 < dongs> i would imagine one for SD is even smaller
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2013-05-26T11:43:57 < talsit> i want to leave a little more, since i want to be able to add some sort of progress or status indicator on my screen
2013-05-26T11:44:03 < talsit> which, granted, won't take up much
2013-05-26T11:44:44 < talsit> but i'm also not going to use up my other 900kb that is left if i leave 128kb free at the start for everything i could possibly want
2013-05-26T11:45:42 < R2COM> hmm
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2013-05-26T11:49:38 < jpa-> it's also good to leave some of the 16k sectors free, so that you can store some non-volatile data there if you ever need to
2013-05-26T11:49:52 < jpa-> like config params
2013-05-26T11:49:56 < talsit> yeah, i was thinking that
2013-05-26T11:50:02 < talsit> but then again, i do have an eeprom too
2013-05-26T11:50:39 < talsit> what is the OTP area used for?
2013-05-26T11:50:45 < talsit> serial numbers and such?
2013-05-26T11:51:09 < jpa-> serial numbers, license codes etc. come to mind
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2013-05-26T12:52:01 < UweBonnes> Talsit: For the F105/7/F2/F3/F4, your application may jump to the built-in bottloader without the need to set BOOTx jumpers.
2013-05-26T12:52:35 < UweBonnes> So you need your own bootloader only in special cases.
2013-05-26T12:52:56 < jpa-> he wants to load from SD car
2013-05-26T12:52:58 < jpa-> *card
2013-05-26T12:54:19 < UweBonnes> Using USB2 might also be a reason.
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2013-05-26T16:15:33  * Laurenceb__ is watching "crank"
2013-05-26T16:15:35 < Laurenceb__> epic lolz
2013-05-26T16:18:48 < karlp> is that the "heart rate can't go below x bpm or you explod" thing?
2013-05-26T16:18:51 < karlp> with jason statham?
2013-05-26T16:19:01 < Laurenceb__> yes
2013-05-26T16:26:10 <+Steffanx> pure holywood crap Laurenceb__
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2013-05-26T17:10:21 < dongs> crank sucks
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2013-05-26T17:14:07 <+Steffanx> Its not weird enough uh?
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2013-05-26T17:27:51 < dongs> im using dehydrated ethanol to clean off trash from my office walls that spawn fucked up with permanent/nonpermanent marker
2013-05-26T17:27:59 < dongs> it smells pretty bad, and i dont have a lot of air circulation here
2013-05-26T17:28:01 < dongs> am i gonna die?
2013-05-26T17:28:21 -!- Viper168_ [~Viper@unaffiliated/viper168] has quit [Ping timeout: 248 seconds]
2013-05-26T17:30:28 < jpa-> don't draw on your walls
2013-05-26T17:31:05 < jpa-> but i don't think inhaled ethanol is any more dangerous than ingested ethanol
2013-05-26T17:31:34 < dongs> ok
2013-05-26T17:32:02 < jpa-> maybe absorbs a little bit better
2013-05-26T17:32:08 < ABLomas> should be OK, just... Walk in park after
2013-05-26T17:32:11 < ABLomas> you will be drunk
2013-05-26T17:32:13 < ABLomas> =)
2013-05-26T17:32:16 < jpa-> inhaled methanol would be bad :)
2013-05-26T17:32:53 < jpa-> dongs is always drunk at office anyway, so no difference, right?
2013-05-26T17:33:05 < dongs> pretty much
2013-05-26T17:33:32 < ABLomas> hahaha
2013-05-26T17:33:50 < dongs> http://i.imgur.com/cZeRW7J.jpg that took like half an hour to clean up
2013-05-26T17:33:56 < dongs> i shoulda taken a 'before'
2013-05-26T17:34:07 < dongs> entire whiteboard and wall was covered with shit
2013-05-26T17:34:43 < ABLomas> there's stuff in office ware shop
2013-05-26T17:34:46 < ABLomas> spray and clean
2013-05-26T17:34:59 < ABLomas> smells good, cleans even permanent marker from whiteboard
2013-05-26T17:35:21 < ABLomas> just ask, i'm sure they have something to offer - also much more effective than ethanol
2013-05-26T17:35:36 < dongs> ya i had this 500ml jar of ethanol that i was using before to clean pcbs
2013-05-26T17:35:41 < dongs> used half of it
2013-05-26T17:35:41 < ABLomas> i tried once to clean whiteboard after some years (!) left with permanent marker
2013-05-26T17:35:50 < dongs> im sure a proper solution would have been easier
2013-05-26T17:36:01 < ABLomas> tried lots of shit, nothing
2013-05-26T17:36:05 < ABLomas> still everything on board
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2013-05-26T17:36:21 < ABLomas> took some shit from office1 shop, done
2013-05-26T17:36:31 < ABLomas> some dark lines remains, but nothing serious
2013-05-26T17:37:36 < PaulFertser> We used vodka at the university to clean permanent marker from the boards.
2013-05-26T17:38:25 < dongs> im sure that was in large supply
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2013-05-26T17:40:38 < PaulFertser> Paradoxically, we kept a bottle of questionable quality just for this purpose, preferring lighter drinks for ingesting.
2013-05-26T17:41:45 < dongs> haha
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2013-05-26T17:50:36 <+Steffanx> dongs you need wifecop in your offices to take care of the kinds wiht permanent markers
2013-05-26T18:00:23 < Tectu> wifecops make it worse
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2013-05-26T20:04:00 < mervaka> good news
2013-05-26T20:04:08 < mervaka> that digital audio mixer won an award :)
2013-05-26T20:04:26 < mervaka> thanks for the help over the last few months, chaps!
2013-05-26T20:04:57 <+Steffanx> uh?
2013-05-26T20:05:50 < mervaka> was a university project
2013-05-26T20:08:33 <+Steffanx> Yeah, but award?
2013-05-26T20:08:37 < mervaka> oh
2013-05-26T20:08:56 < mervaka> just an internal one, the Becton Dickinson award for engineering excellence.
2013-05-26T20:09:20 < mervaka> and entered into the SITs, which is some competition between universities.
2013-05-26T20:09:35 < mervaka> along with my mate's project.
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2013-05-26T21:11:50 < R2COM> what could be typical reason of not all bytes being received when sending them with USART?
2013-05-26T21:12:01 < R2COM> I have setup USART3, for 115200
2013-05-26T21:12:14 < R2COM> 1) checking TXE with infinite loop
2013-05-26T21:12:16 < R2COM> 2) write DR
2013-05-26T21:12:22 < R2COM> 3) checking TC with infinite loop
2013-05-26T21:12:47 < R2COM> and all that in a big loop with var size 17 281 024
2013-05-26T21:12:59 < R2COM> so thats the amount of bytes I supposed to see on my PC uart terminal
2013-05-26T21:13:07 < R2COM> but I see something like 15 234 567
2013-05-26T21:13:19 < R2COM> or sometimes 17 ... something, but not exactly the amount of bytes which I sent
2013-05-26T21:13:56 < R2COM> and again, those bits I am checking are in infinite loop, if something went wrong, it would stall, but it all passes through in code
2013-05-26T21:14:08 < R2COM> its just I dont get all the bytes I supposed to
2013-05-26T21:15:20 < PaulFertser> R2COM: wrong flow control setting on the receiving terminal probably...
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2013-05-26T21:15:38 < PaulFertser> Why are you checking TC on every byte btw?
2013-05-26T21:17:09 -!- phantoxeD [~destroy@a95-92-84-28.cpe.netcabo.pt] has quit [Ping timeout: 248 seconds]
2013-05-26T21:19:17 < R2COM> to make sure that transfer is complete
2013-05-26T21:19:43 < R2COM> because just checking TXE not always works when you want to send continuously lots of data
2013-05-26T21:19:46 < R2COM> anyhow
2013-05-26T21:19:54 < R2COM> terminal has settings: 115200
2013-05-26T21:19:58 < R2COM> parity: none
2013-05-26T21:20:02 < R2COM> data: 8 bits
2013-05-26T21:20:05 < R2COM> mode: free
2013-05-26T21:21:15 < R2COM> handshake: OFF
2013-05-26T21:21:18 < PaulFertser> R2COM: using TXE should be ok unless you're turning the transmitter off at some point (e.g. when using half-duplex) RS-485 which of course needs to be done after TC
2013-05-26T21:21:30 < PaulFertser> Is the problem reproducible with, say 100 bytes?
2013-05-26T21:21:42 < R2COM> well
2013-05-26T21:23:01 < R2COM> no
2013-05-26T21:23:07 < R2COM> 100 bytes being sent just fine
2013-05-26T21:23:35 < PaulFertser> If checking TXE doesn't always work then i'd expect it would mean you're checking it improperly, and that might hint at other issues.
2013-05-26T21:24:05 < R2COM> did I mention that checking TXE doesnt work?
2013-05-26T21:24:15 < R2COM> what I said is, it checks
2013-05-26T21:24:17 < PaulFertser> I'd try to understand the difference between the bytes sent and bytes received. Sometimes doing silly things helps, e.g. sending half the bytes you're going to, or sending all constant bytes etc.
2013-05-26T21:24:24 < R2COM> otherwise I would get stuck on loop which checks it
2013-05-26T21:24:27 < PaulFertser> "because just checking TXE not always works when you want to send continuously lots of data"
2013-05-26T21:25:19 < R2COM> no... it actually depends on what is on my USART end, it works for example if its FTDI cable
2013-05-26T21:25:27 < R2COM> but it didnt work with wireless Xbee
2013-05-26T21:25:40 < R2COM> because it could not react too fast, even though TXE checked OK
2013-05-26T21:26:15 < R2COM> so, checking TXE + checking TC worked robustly... However... i still dont get all the bytes if I want to send lots of them
2013-05-26T21:26:33 < zyp> «robustly»
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2013-05-26T21:26:43 < PaulFertser> Do you mean it couldn't process UART data at full speed? Checking TC would add only a very little delay and can't substitute hardware flow control if it's needed.
2013-05-26T21:26:46 < zyp> sounds more like «by random chance» from the way you are describing it
2013-05-26T21:28:16 < R2COM> here: when I used Xbee on usart, and I just did TXE (no TC checking), and for example wanted to send say 700 bytes or so, it sometimes got stuck on that TXE check loop and never could send the bytes, but, after I did check TXE then write DR and then check TC, sending those amount of bytes to Xbee through USART worked OK on relatively small amount of bytes.
2013-05-26T21:28:27 < zyp> the xbee issue sounds like you just sending faster than the average throughput of the xbee, so when the buffer in the xbee is full it starts dropping data, you making some changes make it slower and by chance the xbee were able to keep up.
2013-05-26T21:28:31 < R2COM> but right now, I want to send much bigger amount of bytes
2013-05-26T21:28:55 < R2COM> zyp: i checked that, Xbee can do 115200 and so did I set my suart for
2013-05-26T21:28:57 < zyp> I assume you are using AT mode on the xbee?
2013-05-26T21:28:58 < PaulFertser> zyp: looks like that
2013-05-26T21:29:20 < zyp> R2COM, no, I'm talking about the radio througput, not the serial througput
2013-05-26T21:29:37 < R2COM> but in any case, right now problem is not even that
2013-05-26T21:29:39 < zyp> the serial throughput is easily higher than the radio throughput, depending on signal strength
2013-05-26T21:29:42 < R2COM> because, I removed xbee
2013-05-26T21:29:46 < R2COM> and using FTDI cable now
2013-05-26T21:29:58 < R2COM> and issues with missing bytes now exist with FTDI cable too
2013-05-26T21:30:02 < R2COM> so its not xbee related anymore
2013-05-26T21:30:20 < R2COM> (and turns out that it was not xbee problem as well)
2013-05-26T21:30:55 < zyp> either way, it sounds like your problem is flow control related
2013-05-26T21:31:03 < zyp> as in a total lack of flow control
2013-05-26T21:31:32 < PaulFertser> ftdi chips do not need flow control though afaict
2013-05-26T21:31:34 < R2COM> there is actually no flow control, maybe thats the case for huge amount of data sending problem?
2013-05-26T21:31:36 < zyp> which is fine as long as your receiver is guaranteed to keep up with wire speed, is it?
2013-05-26T21:31:56 < R2COM> well its FTDI cable
2013-05-26T21:32:00 < R2COM> it can do 115200
2013-05-26T21:32:34 < zyp> remember that burst and sustained througput are two different metrics
2013-05-26T21:32:42 < R2COM> hmmm
2013-05-26T21:33:09 < R2COM> I am using some terminal utility with handshake: OFF
2013-05-26T21:33:11 < R2COM> parity: none
2013-05-26T21:33:14 < R2COM> data: 8
2013-05-26T21:33:26 < R2COM> and 115200
2013-05-26T21:33:41 < R2COM> what I am thinking now is, maybe I *must* use flow control?
2013-05-26T21:34:02 < zyp> that said, I would imagine that a FTDI would have no problem keeping up with 115200 as long as the host are polling continously and there are enough free bandwidth on the bus
2013-05-26T21:34:25 < R2COM> yes there definitely is free bandwidth
2013-05-26T21:34:32 < zyp> R2COM, flow control is for pausing the transmitter when the receiver is not able to keep up
2013-05-26T21:34:39 < R2COM> or maybe that software is buggy or something, maybe I should try another terminal
2013-05-26T21:34:39 < zyp> like the xbee case, for instance
2013-05-26T21:35:35 < R2COM> well so in my case i do not *need* flow control
2013-05-26T21:35:54 < zyp> you should be fine without
2013-05-26T21:36:34 < R2COM> yeah, and since checking TXE,writing DR, checking TC does not hurt, and since that function with such a big loop completes normally without being stuck, turns out that nothing wrong on stm32 side
2013-05-26T21:36:59 < zyp> which OS are you on?
2013-05-26T21:37:04 < R2COM> winXP
2013-05-26T21:37:26 < R2COM> http://www.hw-group.com/products/hercules/index_en.html
2013-05-26T21:37:33 < R2COM> its what I use to receive and log data
2013-05-26T21:37:55 < R2COM> something like 100-500 or so bytes send without any problems
2013-05-26T21:38:08 < R2COM> but i need to send 17 281 024 bytes (and later even twice more)
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2013-05-26T21:41:25 < zyp> may be some latency vs buffer size issue on host, causing a flow stop on usb, making the ftdi unable to transfer the data to host fast enough
2013-05-26T21:42:54 < zyp> using flow control on serial would then propagate the flow stop further so the stm32 stops sending when the rest of the chain aren't able to keep up
2013-05-26T21:44:59 < PaulFertser> It would be funny if that appeared to be a host-side issue due to ftdi driver crappiness.
2013-05-26T21:45:02 < zyp> a bit surprising if it's the case though, it's not like 11kB/s is fast
2013-05-26T21:45:22 < R2COM> yeah
2013-05-26T21:45:30 < qyx_> dongs always complain about win ftdi drivers
2013-05-26T21:46:46 < PaulFertser> He usually says that proprietary professional shit always works fine to his satisfaction.
2013-05-26T21:46:56 < zyp> it would be a bit interesting to check how much you can send before data is dropped
2013-05-26T21:47:12 < R2COM> thats what I'm going to do too
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2013-05-26T22:21:23 <+Steffanx> i forgot to say congratz mervaka
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2013-05-26T22:35:03 < R2COM> 8 000 000 bytes failed successfull full transfer
2013-05-26T22:35:09 < R2COM> so did 4 000 000
2013-05-26T22:35:13 < R2COM> checking with less now
2013-05-26T22:35:14 < R2COM> heh...
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2013-05-26T22:47:34 < R2COM> 2 000 000 bytes and 1 000 000 bytes failed to send reliably too
2013-05-26T22:47:45 < R2COM> I manged to send reliably only 500 000 bytes
2013-05-26T22:48:05 < R2COM> so 500 000 bytes are being sent without problems, and I receive them on PC side
2013-05-26T22:48:14 < R2COM> (without hardware flow control)
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2013-05-26T22:50:56 < R2COM> 600 000 bytes not send reliably either
2013-05-26T22:51:01 < R2COM> just 500 000 bytes do it
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2013-05-26T23:22:38 < R2COM> ok well, I implemented the CTS/RTS now, this feature on on both the terminal program on PC and in stm32
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2013-05-26T23:22:48 < R2COM> and I still cant get reliably even 600 000 bytes
2013-05-26T23:22:58 < R2COM> at 115 200
2013-05-26T23:25:35 < zyp> did you wire it correctly?
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2013-05-26T23:30:31 < R2COM> cts-rts, rts-cts sure.. otherwise there would not be any transmission at all
2013-05-26T23:30:55 < R2COM> i sent 600 000 bytes, i got approximately 2047 bytes less on PC
2013-05-26T23:31:06 < R2COM> suspicious number though
2013-05-26T23:31:57 < R2COM> so, i did several runs
2013-05-26T23:32:09 < R2COM> and i sent 600 000 bytes, and I get 597 953 bytes all the time
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2013-05-26T23:32:13 < R2COM> heh
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2013-05-26T23:32:35 < R2COM> hmmmm
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2013-05-26T23:35:44 < Robint91> who says you can't simulate oscillators in spice
2013-05-26T23:35:45 < Robint91> http://i.imgur.com/TAZpSIJ.png
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2013-05-26T23:50:44 < R2COM> hmm pullup resistors are not fitted on FTDI cable
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--- Day changed Mon May 27 2013
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2013-05-27T00:03:26 < R2COM> configured OTYPER as all zeros (push-pull)
2013-05-27T00:03:37 < R2COM> and configured RX,TX,CTS,RTS all as pull-up
2013-05-27T00:03:52 < R2COM> hmm it still doesnt work, i get exactly 2047 bytes less than I have to
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2013-05-27T00:33:34 <+dekar> R2COM, solve the problem in software, add enough FEC to recover the missing data :)
2013-05-27T00:37:29 < zyp> hah
2013-05-27T00:44:24 < R2COM> the thing is.. current setup looks right, and *must* work, so I'm trying to see why it doesnt
2013-05-27T00:44:44 < R2COM> also its weird to me why i get exactly 2047 bytes less than required
2013-05-27T00:44:54 < R2COM> (with this CTS/RTS enabled)
2013-05-27T00:45:44 < zyp> sounds like a buffer getting lost somewhere
2013-05-27T00:47:44 < zyp> would be fun to do a trace of the usb traffic to check which side data is getting lost on
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2013-05-27T01:01:15 <+dekar> R2COM, loop the FTDIs TX to RX and push some data through it
2013-05-27T01:01:18 < R2COM> i cant believe that it worked now
2013-05-27T01:01:27 <+dekar> oh well :)
2013-05-27T01:01:28 < R2COM> i updated the V2P driver from FTDi
2013-05-27T01:01:34 < R2COM> (V2P or whatever its called)
2013-05-27T01:01:50 < R2COM> i am going to do more checks now to see if its really worked
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2013-05-27T02:29:51 < R2COM> are there any other nice serial-USB solutions, rather than FTDI?
2013-05-27T02:30:36 < zyp> I know dongs has opinions on that
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2013-05-27T02:33:21 <+Steffanx> cypress something?
2013-05-27T02:33:29 <+Steffanx> it remember dongs liked that, but i could be wrong
2013-05-27T02:34:03 <+Steffanx> or silabs .. dont remember
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2013-05-27T02:34:28 < dongs> Heh
2013-05-27T02:34:30 <+dekar> didn't someone mention a TI one a while ago?
2013-05-27T02:34:41 < dongs> TI has usb serial?
2013-05-27T02:34:59 <+dekar> I feel like someone mentioned one… let me google it :)
2013-05-27T02:35:12 < dongs> prett sure the only (non totally chink) game in town is FTDI, Silabs CP21xx, and PL230x from Prolific
2013-05-27T02:35:42 <+dekar> http://www.ti.com/product/tusb3410
2013-05-27T02:36:07 < zyp> doesn't the prolific stuff have a bad rumor?
2013-05-27T02:36:13 < dongs> it does
2013-05-27T02:36:19 <+Steffanx> it IS bad
2013-05-27T02:36:26 <+Steffanx> at least the chinese ones :P
2013-05-27T02:36:26 < R2COM> I used prolific before for rs-232 stuff alot
2013-05-27T02:36:37 < R2COM> I think i had original one
2013-05-27T02:36:40 <+Steffanx> You have to at least download 15 different drivers to get one that works
2013-05-27T02:36:42 <+Steffanx> for a pc
2013-05-27T02:36:49 <+Steffanx> and 15 other drivers for another pc
2013-05-27T02:37:02 < R2COM> to me it looks same now with ftdi
2013-05-27T02:37:41 < dongs> if you didnt run luniux, you'd noticed which driver worked and reuse same on on another pc
2013-05-27T02:37:42 <+dekar> the prolific I tried wouldn't reliably work at 115200
2013-05-27T02:37:59 <+Steffanx> that's the point, thats not the case dongs :)
2013-05-27T02:37:59 < dongs> ^^^^ the last prolific thing I had would crash at 115k
2013-05-27T02:39:47 <+dekar> I use FTDI since they work well for UART. I don't like their bitbang library for I2C/SPI though.
2013-05-27T02:39:53 < R2COM> uhhhhhhhhhh
2013-05-27T02:39:55 < R2COM> shit
2013-05-27T02:40:08 < dongs> well i had no problem downloading shit directly off prolific site, the problem is that the dowlnoaded drivers (and perhaps harwdare) were mega shit
2013-05-27T02:40:14 < R2COM> so after I updated my FTDI VCP driver, it seemed to work, because I was getting all my bytes
2013-05-27T02:40:26 < R2COM> however, every 6th or 7th run it does not get all the bytes transferred
2013-05-27T02:40:35 -!- gxti_ is now known as gxti
2013-05-27T02:40:36 < R2COM> before I never could get all bytes
2013-05-27T02:40:41 < R2COM> now I can *most* of the time
2013-05-27T02:40:45 < R2COM> but its still not reliable
2013-05-27T02:41:03 < R2COM> my OS is WInXP
2013-05-27T02:41:06 < R2COM> 32bit
2013-05-27T02:41:07 <+dekar> R2COM, loop TX to RX and see whether the FTDI works reliably in loopback at 115200
2013-05-27T02:41:10 < dongs> upgrade to win8
2013-05-27T02:41:15 < R2COM> ...
2013-05-27T02:43:24 <+dekar> and what dongs said :)
2013-05-27T02:43:33 < gxti> PROBLEM SOLVED
2013-05-27T02:43:58 < R2COM> I found some Parallax drivers for VCP
2013-05-27T02:44:15 < R2COM> whats that one, something like a different vendor but for same hardware?
2013-05-27T02:44:24 < dongs> ...
2013-05-27T02:44:34 < dongs> drivers is obviously not your problem
2013-05-27T02:45:07 < R2COM> it is, otherwise I couldnt get any successfull transfer before I updated driver, now that I did it works but still not good enough.
2013-05-27T02:45:43 < dongs> no, it just means youre still doing it wrong
2013-05-27T02:46:23 <+dekar> the drivers windows downloads for you usually work fine
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2013-05-27T03:15:22 < R2COM> ok well
2013-05-27T03:15:31 < R2COM> I noticed this problem exists even with 57600 speed
2013-05-27T03:15:33 < R2COM> hmm
2013-05-27T03:15:52 < R2COM> maybe I'll get rid of those FTDI drivers and try windows drivers instead then
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2013-05-27T03:30:05 < dongs> ...
2013-05-27T03:30:07 < dongs> tehy are the same
2013-05-27T03:30:18 < dongs> FTDI whqls them and they go into windows update
2013-05-27T03:30:22 < dongs> is this some trash you made
2013-05-27T03:30:25 < dongs> hardware i mean
2013-05-27T03:30:29 < dongs> or a usb>serial adapter
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2013-05-27T03:39:31 <+dekar> R2COM, just stick a cable into TX and RX already :/
2013-05-27T03:39:44 <+dekar> if that works you know the FTDI is fine
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2013-05-27T03:57:08 < R2COM> connected now
2013-05-27T03:57:18 < R2COM> can send and receive characters
2013-05-27T03:57:38 < R2COM> so just ftdi cable, with tx-rx connected, i can plug characters and immediately see them
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2013-05-27T03:57:42 < R2COM> on 115200
2013-05-27T04:01:27 < dongs> well yes
2013-05-27T04:07:44 < R2COM> so it seems to work then
2013-05-27T04:07:57 < R2COM> I even did additional tests of CTS/RTS pin functionality, its ok too
2013-05-27T04:08:42 < R2COM> and I remember today when I had my old drivers for com port installed, i couldnt ever send all 600 000 bytes on 115200
2013-05-27T04:08:55 < R2COM> once I updated them, it works,...but.. works like 7 out of 10
2013-05-27T04:09:01 < R2COM> i.e. not always
2013-05-27T04:09:13 < R2COM> that is why, issue is for sure driver related or someshit
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2013-05-27T05:02:38 < R2COM> yeah this shit still doesnt work reliably
2013-05-27T05:04:17 < R2COM> what are other options, Pololu?
2013-05-27T05:07:49 < dongs> huh?
2013-05-27T05:09:17 < dongs> http://www.digikey.com/product-detail/en/UMFT201XB-01/768-1119-ND/3029126 there's this trash
2013-05-27T05:09:22 < dongs> or sparkfun ftdi breakout for 15bucks
2013-05-27T05:09:22 < dongs> etc
2013-05-27T05:09:31 < dongs> i seriosuly doubt its the hardware or drivers tho
2013-05-27T05:09:33 < dongs> youre doing it wrong(tm)
2013-05-27T05:10:06 < R2COM> wrong like what?
2013-05-27T05:10:09 < R2COM> software?
2013-05-27T05:10:12 < R2COM> in stm32?
2013-05-27T05:10:20 < dongs> or something?
2013-05-27T05:10:24 < dongs> or your receiving end
2013-05-27T05:10:30 < R2COM> pffff no, receiver is PC
2013-05-27T05:10:37 < dongs> so what are you using on PC?
2013-05-27T05:10:39 < dongs> just terminal app or something?
2013-05-27T05:11:13 < R2COM> http://www.hw-group.com/products/hercules/index_en.html
2013-05-27T05:11:21 < dongs> right ok
2013-05-27T05:11:23 < dongs> i use that shit.
2013-05-27T05:11:24 < dongs> it works fine.
2013-05-27T05:11:39 < R2COM> one thing which makes me worried a little is, that this app is not for FTDI
2013-05-27T05:11:43 < R2COM> its different company
2013-05-27T05:12:05 < dongs> uh
2013-05-27T05:12:10 < dongs> youre trolling right
2013-05-27T05:12:15 < dongs> the app is for serial ports
2013-05-27T05:12:19 < dongs> doesnt matter the maker.
2013-05-27T05:12:28 < dongs> so, back to the problem, youre fuckin somnething up on STM32 end then
2013-05-27T05:12:35 < R2COM> one more thing
2013-05-27T05:12:42 < R2COM> that FTDI cable was connected to USB hub
2013-05-27T05:12:47 < R2COM> wonder if that might be problem
2013-05-27T05:12:52 < dongs> nope.
2013-05-27T05:13:08 < R2COM> if it were stm32 problem it would *NOT* work at all
2013-05-27T05:13:14 < dongs> nope
2013-05-27T05:13:27 < dongs> you could be losing chars in DMA or buffers or whatever
2013-05-27T05:13:34 < dongs> or you could be acutally not sending them etc.
2013-05-27T05:13:38 < R2COM> there is a loop, for(i=0;i<=600000;i++)
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2013-05-27T05:13:55 < R2COM> and I send same byte, I write, 0xd5 to DR register
2013-05-27T05:13:58 < R2COM> and check TXE
2013-05-27T05:14:08 < R2COM> TXE being checked in infinite loop
2013-05-27T05:14:14 < R2COM> if there were problem it would stuck
2013-05-27T05:14:20 < R2COM> it never stucks, it completes all the sends
2013-05-27T05:14:32 < R2COM> but PC receives them like... say... 5 out of 7 times
2013-05-27T05:14:52 < R2COM> so if I do such read tests, its like 5 out of 7 tests I get all my 600 000 bytes
2013-05-27T05:15:08 < R2COM> other times I get something like 1000-2000 bytes less
2013-05-27T05:15:13 < dongs> did you disable xon/xoff and special characters shit in herculwes
2013-05-27T05:15:26 < R2COM> not xon
2013-05-27T05:15:31 < R2COM> RTS/CTS is enabled
2013-05-27T05:15:39 < dongs> and youre actually using it?
2013-05-27T05:15:42 < dongs> rts
2013-05-27T05:15:47 < R2COM> its enabled on STM32 too
2013-05-27T05:16:01 < dongs> dude, i used usart on stm32 at 962000 or wahtever w/ftdi to dump raw adc data fast
2013-05-27T05:16:04 < R2COM> if it were disabled at least on one ends, it would NOT work at all
2013-05-27T05:16:07 < dongs> zero isuses
2013-05-27T05:16:10 < dongs> this was with DMA of course
2013-05-27T05:16:35 < R2COM> with CTS/RTS?
2013-05-27T05:16:43 < dongs> yes
2013-05-27T05:17:02 < R2COM> I am now only thinking maybe this driver kinda doesnt work well on winXP
2013-05-27T05:17:18 < dongs> no.
2013-05-27T05:17:37 < R2COM> well, then the shit should send all the bytes and not miss anything
2013-05-27T05:18:24 < R2COM> the reason I am saying driver is, before I had them installed long time ago, and didnt update
2013-05-27T05:18:28 < R2COM> and today it didnt work at all
2013-05-27T05:18:34 < R2COM> only after update it *kinda* works
2013-05-27T05:29:19 < R2COM> heres how I send it
2013-05-27T05:29:20 < R2COM> http://pastebin.com/iAVJz3mm
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2013-05-27T06:14:50 < dongs> jebus
2013-05-27T06:14:52 < dongs> dat indentation
2013-05-27T06:15:20 < bairdy> Bought a Beagleboner black and a KL05..
2013-05-27T06:18:28 < bairdy> They'll likely sit in a suitcase for hte next 6 months..
2013-05-27T06:19:52 < dongs> thats what i was jsut gonna say
2013-05-27T06:20:21 < bairdy> Today's the first 'official' day of packing-up for the move. I'll be sleeping on the floor from now on. :)
2013-05-27T06:20:34 < bairdy> <blog/>
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2013-05-27T06:44:00 < R2COM> hmm
2013-05-27T06:44:10 < R2COM> I guess there might be some problem with CTS related thing
2013-05-27T06:44:21 < R2COM> does one have to check CTS bit manually?
2013-05-27T06:44:27 < R2COM> looking at reference manual
2013-05-27T06:44:40 < R2COM> one can read its bit 10 in SR register, for USART
2013-05-27T06:45:10 < R2COM> in my code as you saw, I did not check it, I thought its done automatically once I enable the CTSE feature
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2013-05-27T07:35:07 < R2COM> hmm
2013-05-27T07:35:19 < R2COM> and I tried similar stuff on another machine, Win7 x64
2013-05-27T07:35:21 < R2COM> same shit
2013-05-27T07:35:34 < R2COM> sometimes works sometimes not (sometimes missing the bytes)
2013-05-27T07:35:44 < R2COM> win7 x64 has similar drivers almost installed
2013-05-27T07:35:59 < R2COM> I guess I will have to look for a problem somewhere else
2013-05-27T07:36:15 < R2COM> cable is good, I checked it, it loopbacks and has its cts/rts pins working properly
2013-05-27T07:36:26 < dongs> so probelm is on stm32
2013-05-27T07:36:37 < R2COM> but as you saw, code there is pretty simple
2013-05-27T07:36:50 < dongs> the indentation was fucking horrible
2013-05-27T07:37:34 < R2COM> http://pastebin.com/pt25D2kM
2013-05-27T07:37:39 < R2COM> here is my configuration for usart1
2013-05-27T07:38:22 < R2COM> and port settings http://pastebin.com/yNjA5Myy
2013-05-27T07:38:56 < R2COM> and well again, how I send bytes http://pastebin.com/pmsFdzzW
2013-05-27T07:39:26 < R2COM> if you have anything more useful to comment rather than indentation I'd take that
2013-05-27T07:42:32 < dongs> The first step to writing quality code is indentation.
2013-05-27T07:42:46 < dongs> and consistent spacing, etc.
2013-05-27T07:42:50 < dongs> maybe once you do that, you will notice the problem
2013-05-27T07:42:51 < R2COM> ...
2013-05-27T07:48:03 < R2COM> apparently if you have nothing to offer its better not to troll
2013-05-27T07:48:21 < dongs> sorry, im busy running dicknplace :(
2013-05-27T07:59:36 < qyx_> Commenting on laurencebs code?
2013-05-27T08:00:12 < qyx_> That lack of spaces reminds me that
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2013-05-27T09:10:54 < dongs> fuck I hate pcbaing newb boards
2013-05-27T09:11:17 < dongs> faggots never heard of DFM
2013-05-27T09:11:39 < dongs> "lets use random mix of SAME VALUE 0402 and 0603 caps!!!
2013-05-27T09:12:05 < dongs> and then, lets have 50V/100V caps which fucking cost same but need different part load
2013-05-27T09:12:47 < Tectu> morning
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2013-05-27T09:20:10 < R2COM> okkay
2013-05-27T09:20:22 < R2COM> I have done now probably something I should have done with more precision before
2013-05-27T09:20:41 < R2COM> I just created a file with 600 001 bytes (the amount of bytes I wanted to send from stm32)
2013-05-27T09:20:51 < R2COM> and again shorted TX-RX of FTDI cable
2013-05-27T09:21:02 < R2COM> and sent it via that hw-group terminal utility
2013-05-27T09:21:12 < R2COM> and.... I got only 593 857 bytes
2013-05-27T09:21:25 < R2COM> which is approximately amount of bytes I used to get during transmission from stm32
2013-05-27T09:21:45 < R2COM> I used to get numbers like: 597 953 bytes etc
2013-05-27T09:21:49 < R2COM> or 591 809
2013-05-27T09:22:09 < R2COM> and this same amount I get now when i send 600001byte file with loopback test
2013-05-27T09:22:27 < R2COM> so... the real reason was actually a buffer then
2013-05-27T09:22:48 < R2COM> buffer of adapter/PC side
2013-05-27T09:23:24 < R2COM> so all I need to do now is..well just put reasonable delays between sending big chunks of data
2013-05-27T09:23:44 < Tectu> where's my Steffanx
2013-05-27T09:24:21  * R2COM takes out Steffanx from his pocket and handles to Tectu
2013-05-27T09:25:19 < Tectu> thanks
2013-05-27T09:26:13 < Tectu> he does not seem to be dat alive
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2013-05-27T09:46:30 < dongs> zyp, still need that stencil?
2013-05-27T09:46:34 < dongs> window open today until 6pm
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2013-05-27T09:52:44 < bairdy> I have a Boner.
2013-05-27T09:53:53 < bairdy> Angstrom.. People keep insisting on OpenWRT spinoff distros, in spite of the hardware exceeding the spec of desktops when that project got started..
2013-05-27T09:54:04 -!- englishman [~englishma@96.127.221.50] has joined ##stm32
2013-05-27T09:54:46 < bairdy> Will have a go at running NetBSD on it, not in the least to get rid of that fucking heartbeat LED.
2013-05-27T10:09:03 < zyp>  /coff
2013-05-27T10:09:12 < zyp> oops
2013-05-27T10:09:30 < zyp> dongs, nah, already soldered the boards
2013-05-27T10:09:39 < zyp> got some cheap mylar stencil
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2013-05-27T10:10:56 < dongs> OK
2013-05-27T10:16:35 < dongs> i cant even find anything to panel on stencil myself :(
2013-05-27T10:16:42 < dongs> too busy with trash to design new shit
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2013-05-27T11:03:20 < Tectu> bairdy, around?
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2013-05-27T11:07:00 < bairdy> No.
2013-05-27T11:07:58 < Tectu> bairdy, so you have time to watch this: https://www.youtube.com/watch?v=NNQjHe1CpGQ
2013-05-27T11:09:20 < Tectu> and here some fancy FFT on an F4 discovery: https://www.youtube.com/watch?v=PqdnNBhFhbI
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2013-05-27T11:23:18 < dongs> you made him ragequit
2013-05-27T11:24:13 < Tectu> I bet he came
2013-05-27T11:24:46 < dongs> Tectu: you didn't add ^_^ at the end
2013-05-27T11:25:32 < Tectu> how nauhty
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2013-05-27T17:05:24 < rigid> lol, DMX at work: "just a warning: yesterday one of my ultraDMX micro interface was killed by the Staiville - it happens wen you boot it up plugged into the Stairville. when you boot it up unplugged and afterwards plug it in, everything is fine." :)
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2013-05-27T17:07:23 < dongs> pfft
2013-05-27T17:07:52 < dongs> rigid: lemme know when you have stuff like this working http://i.imgur.com/79647bX.jpg
2013-05-27T17:10:18  * rigid can't see what this has to do with the DMX protocol... 99% of stuff like that is using dali anyway
2013-05-27T17:10:41 < dongs> even better, its 0-10
2013-05-27T17:10:52 < dongs> with dmx->0-10 converters
2013-05-27T17:12:20 < rigid> ...if you said RS485 or XLR cables... but DMX?
2013-05-27T17:12:39 < dongs> no, seriosuly dmx
2013-05-27T17:12:42 < dongs> as in the protocl
2013-05-27T17:12:43 < dongs> no idea
2013-05-27T17:12:53 < dongs> thats what the dudes wanted.
2013-05-27T17:13:42 < dongs> rigid, didnt we chat about niftyled about a year ago
2013-05-27T17:13:56 < dongs> or niftywahtever is the thing youre talkin about
2013-05-27T17:14:04 < rigid> yeah, and because there are still people wanting DMX for no reason or people who think it's the bees knees for lighting, i think it has to die as an artefact of the industry
2013-05-27T17:14:30 < rigid> dongs: could be, niftyled has nothing to do with DMX... it can talk everything if there's a plugin
2013-05-27T17:14:47 < dongs> hgm their hardware is stlil closedsores
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2013-05-27T17:15:17 < UweBonnes> Hi!
2013-05-27T17:15:17 < rigid> and? their protocols are not...
2013-05-27T17:15:27 < karlp> what's 0-10?
2013-05-27T17:15:39 < rigid> karlp: robust D/A converters that talk DMX
2013-05-27T17:15:46 < dongs> karlp: voltage goes from 0 t o 10
2013-05-27T17:15:56 < UweBonnes> Has anybody a BSDL file for the CORTEX-M3 other than the one ditributed by ST?
2013-05-27T17:15:59 < dongs> http://en.wikipedia.org/wiki/0-10_V_lighting_control this trash
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2013-05-27T17:16:27 < karlp> here, be distracted by danish quality assembly: http://imgur.com/8W4QTAr
2013-05-27T17:16:38 < UweBonnes> Has anybody BSDL files for STM32F2/3/4?
2013-05-27T17:16:52 < rigid> karlp: sure those are not intentional? :-P
2013-05-27T17:17:03 < dongs> those pins dont look used anyway
2013-05-27T17:17:12 < dongs> so youre not doing anythi nwrong
2013-05-27T17:17:27 < rigid> dongs: at least 2 of them have visible traces
2013-05-27T17:17:39 < dongs> i had to pcba realy shitty boards today
2013-05-27T17:17:48 < karlp> 6/15 boards had bridges
2013-05-27T17:18:01 < dongs> karlp: maybe their stencil sucks
2013-05-27T17:18:03 < dongs> or paste
2013-05-27T17:18:18 < karlp> arguably our fault for not providing test software, but still, pretty crap
2013-05-27T17:18:22 < dongs> but i wonder if its because youre too close to the edge
2013-05-27T17:18:28 < rigid> most certainly their QA sucks
2013-05-27T17:18:55 < dongs> and stencil bent while applying, lifting up and getting more solder into those pads
2013-05-27T17:19:19 < rigid> karlp: stuff like this should come up in visual QA... you don't need a microscope for that ;)
2013-05-27T17:19:57 < karlp> they shouldn't route the board out until later, there's no _edge_ until then right?
2013-05-27T17:20:12 < dongs> route?
2013-05-27T17:20:20 < karlp> cut/mill/route
2013-05-27T17:20:38 < dongs> you mean after soldering?
2013-05-27T17:20:46 < karlp> yeah
2013-05-27T17:21:02 < dongs> that sounds expensive
2013-05-27T17:21:06 < dongs> to run them through cutting again
2013-05-27T17:21:18 < karlp> oh, I guess, I kinda thought they wouldn't get cut at all until after soldering
2013-05-27T17:21:30 < dongs> usually its routed w/ears or wahtever or vcut
2013-05-27T17:21:32 < dongs> for paneling
2013-05-27T17:21:38 < karlp> well, we had plenty come back from china that were all good.
2013-05-27T17:21:42 < karlp> should have stuck with china :)
2013-05-27T17:24:11 < rigid> karlp: chinese have no trouble to visually inspect some 1000k badge :-/
2013-05-27T17:24:50 < rigid> s/badge/batch/
2013-05-27T17:25:03 < zyp> speaking of chinese, does anybody have any experience with ordering custom metal parts from china?
2013-05-27T17:25:06 < karlp> well, if we ship some testing hardware/software to themtoo, that would sure help.
2013-05-27T17:25:26 < karlp> zyp: try speaking to CapnKernel in #avr?
2013-05-27T17:25:50 < rigid> karlp: if this fault destroys the chip when powered on, it's not... looks like the batch was too small to fine tune the reflow profile
2013-05-27T17:27:07 < dongs> bedtime
2013-05-27T17:29:10 < zyp> I'm thinking about finding some chinese cnc guys and asking for a quote for the metal frame that will sit around the plexi buttons I'm playing with
2013-05-27T17:30:00 < rigid> zyp: won't shipping be a fortune for low qty metal stuff?
2013-05-27T17:30:00 < zyp> if it's cheap enough, I'd rather just order one/some instead of attempting my own
2013-05-27T17:30:39 < rigid> i'd go to the local laser guy... they're always happy to see me since I know how to deliver correct CAD data :)
2013-05-27T17:30:40 < zyp> rigid, probably not, it'll be a rather small sheet with lots of cutouts
2013-05-27T17:31:02 < zyp> I don't have any local laser guys, I think
2013-05-27T17:31:17 < rigid> hm.. then it's another issue
2013-05-27T17:31:30 < zyp> by the way, since you have experience with a local laser guy, what's the usual price for stuff like that?
2013-05-27T17:33:06 < rigid> zyp: i don't think you can compare prices across nations... they have a complex scheme of pricing depending on surface, time needed, machine needed, postproduction needed...
2013-05-27T17:33:27 < zyp> I just want a ballpark figure
2013-05-27T17:34:23 < rigid> i paid 30€ for 1.5mm steel (200x200mm, nothing special needed) with no postproduction... they just validated my data and fed it into their machine
2013-05-27T17:34:59 < zyp> I see
2013-05-27T17:35:00 < rigid> but you can easily pay 300€ if that's 30mm steel ;)
2013-05-27T17:35:49 < zyp> I'm thinking 2mm steel, probably 330x330mm or so, 16 square cutouts of 57x57mm or so and ~30 drilled/countersunk holes
2013-05-27T17:36:51 < rigid> i'd ask 1-2 local metal shops to get a comparison... i doubt you have no metal shops that couldn't do that in your country
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2013-05-27T17:37:53 < zyp> we probably do, but I live in norway and everything tends to be fucking expensive :)
2013-05-27T17:38:23 < rigid> hm i see... still worth a try to get an impression
2013-05-27T17:39:03 < zyp> I'm pretty sure chinese manufacturers would be cheaper, shipping included
2013-05-27T17:42:14 < rigid> i wouldn't, at least if it's not seafright
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2013-05-27T18:18:57 -!- Robint91 [~Robin@dD5776E9E.access.telenet.be] has joined ##stm32
2013-05-27T18:19:00 < Robint91> hi all
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2013-05-27T18:29:46 < Robint91> any MPU abusers here?
2013-05-27T18:31:57 < zyp> is that a new drug?
2013-05-27T18:33:34 < Robint91> zyp, nah, just asking who used that thing
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2013-05-27T18:39:13 < Laurenceb__> uclinux uses it...
2013-05-27T18:49:11 < UweBonnes> http://forum.stellarisiti.com/topic/637-black-magic-probe-for-stellaris-launchpad/
2013-05-27T19:11:42 <+Steffanx> :)
2013-05-27T19:23:46 < jpa-> Robint91: why "abusers"? how can you abuse it?
2013-05-27T19:23:48 -!- MrM0bius [~Joey@194.176.111.154] has joined ##stm32
2013-05-27T19:24:01 < Robint91> jpa-, by using it :p
2013-05-27T19:24:15 < jpa-> it's not abuse
2013-05-27T19:24:22 < Robint91> I know
2013-05-27T19:24:40 < jpa-> i won't answer your question because your phrase was stupid
2013-05-27T19:25:48 < Robint91> pff
2013-05-27T19:25:52 -!- Robint91 [~Robin@dD5776E9E.access.telenet.be] has left ##stm32 ["Ik ga weg"]
2013-05-27T19:26:11 < jpa-> success
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2013-05-27T19:27:13 <+Steffanx> Long boring day at work jpa-?
2013-05-27T19:27:18 <+Steffanx> It made you grumpy
2013-05-27T19:27:44 < karlp> UweBonnes: any idea why said person didn't juse use the swd pins on the launchpad to debug their target with swd?
2013-05-27T19:27:50 < jpa-> Steffanx: yes
2013-05-27T19:28:19 <+Steffanx> I understand
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2013-05-27T19:32:20 < Avi> hello?
2013-05-27T19:32:21 -!- emeb_mac [~ericb@ip72-223-89-10.ph.ph.cox.net] has joined ##stm32
2013-05-27T19:32:51 <+Steffanx> Lo
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2013-05-27T19:33:06 < Avi> i haz an stm32F103ret6
2013-05-27T19:34:29 <+Steffanx> We dont allow sparkfun customers in here Avi :P
2013-05-27T19:34:37 < Avi> oh, ok
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2013-05-27T19:35:25 < jpa-> Steffanx: yay, you succeeded also
2013-05-27T19:36:54 <+Steffanx> Robint is talking behind your back in #sparkfun jpa-
2013-05-27T19:37:18 < jpa-> about me? wow, i made an impression!
2013-05-27T19:37:37 <+Steffanx> Actually about ##stm32 in general
2013-05-27T19:38:41 < jpa-> so i ruined the reputation of the whole channel? cool :)
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2013-05-27T19:39:27 <+Steffanx> it seems robin t thinks we are too serious in here
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2013-05-27T19:50:28 < jpa-> Steffanx: ah, but we are very serious indeed
2013-05-27T19:50:52 < karlp> too serious?! http://i1.kym-cdn.com/entries/icons/square/000/005/545/OpoQQ.jpg
2013-05-27T19:50:53 -!- DaKu is now known as daku
2013-05-27T19:51:15 < jpa-> moar offtopic needed
2013-05-27T19:58:04 < PaulFertser> UweBonnes: i think ease of porting BMP to stellaris proved libopencm3 to be a much nicer thing than the stupid st's lib.
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2013-05-27T20:03:26 < karlp> PaulFertser: that's a nice way of looking at it :)
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2013-05-27T20:33:54 < Tectu> also, clang sucks
2013-05-27T20:34:00 < Tectu> just that one said it...
2013-05-27T20:34:09 < zyp> ok
2013-05-27T20:34:17 < zyp> what's wrong with clang?
2013-05-27T20:34:34 < Tectu> ask Steffanx
2013-05-27T20:34:41 < Tectu> maybe it's Steffanx who's wrong :P
2013-05-27T20:35:42 < Tectu> <Steffanx> ../../ext/gfx/src/gfx.c:29:10: fatal error: 'gfx.h' file not found
2013-05-27T20:36:07 <+Steffanx> stfu Tectu
2013-05-27T20:36:46 < Tectu> let me see if my repo is broken :P
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2013-05-27T20:37:57 < Tectu> no, works here fine
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--- Day changed Tue May 28 2013
2013-05-28T00:01:55 -!- CRF_Peter [~Peter@dhcp-205075.eduroam.chalmers.se] has quit [Ping timeout: 252 seconds]
2013-05-28T00:24:08 < Laurenceb__> dead in here
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2013-05-28T00:25:40 <+Steffanx> you are gere
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2013-05-28T00:30:20 < karlp> busy getting shit done
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2013-05-28T00:42:32 <+Steffanx> deadlines karlp?
2013-05-28T00:42:42 < karlp> no, just teasing laurence :)
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2013-05-28T01:04:02 <+Steffanx> oh lol
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2013-05-28T01:48:08 < dongs> sup trolls
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2013-05-28T02:23:23 <+Steffanx> weird movie time dongs
2013-05-28T02:24:25 <+Steffanx> Comedy, Horror,Romance not suer why i watch this
2013-05-28T02:29:56 < Luggi09> I'm just designing my first stm32 board.. for the LC-filter for the analog supply what value shuld I use for the inductance ? on one of the reference designs they don't show a value
2013-05-28T02:31:25 < gxti> Luggi09: what kind of analog stuff are you doing? probably you don't need any filter
2013-05-28T02:31:59 < Luggi09> it's for detecting frequencies below 250hz
2013-05-28T02:33:06 < Luggi09> gxti: so in your opinion I should just put a cap next to the pin and that's it ?
2013-05-28T02:33:21 < gxti> Luggi09: yeah
2013-05-28T02:34:23 < Luggi09> so for which applications would you recommend an lc-filter on avcc ? so I know for the future
2013-05-28T02:36:10 < qyx_> i usually use just ferrite bead and 1uf/100nF combination
2013-05-28T02:36:26 < dongs> same
2013-05-28T02:36:33 < dongs> i just have a bag or 60R ferrite beads
2013-05-28T02:36:37 < dongs> no idea what DCR etc
2013-05-28T02:36:40 < dongs> but it doesnt matter.
2013-05-28T02:36:47 < dongs> er i mean no idea what Q or whatev
2013-05-28T02:37:27 < gxti> i have ferrites i sprinkle like candy but i rarely do analog so i don't bother
2013-05-28T02:38:24 < Luggi09> okay, if I find a small ferrite I'll add it
2013-05-28T02:38:43 < Luggi09> dongs: any reason why you left out the avdd filtering on the naze ?
2013-05-28T02:40:09 < dongs> yes, because there's no analog inputs
2013-05-28T02:40:13 < dongs> except battery which doesnt matter
2013-05-28T02:41:07 < Luggi09> true, it works anyway
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2013-05-28T12:44:02 < Laurenceb> http://www.dialog-semiconductor.com/products/short-range-wireless-technology/bluetooth-low-energy
2013-05-28T12:48:00 < dongs> diablog
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2013-05-28T13:55:27 < trepidaciousMBR> So, looks like my STM32F4 is haunted :(
2013-05-28T13:56:43 < dongs> you broke it
2013-05-28T13:58:15 < zyp> pour holy water on it
2013-05-28T13:58:36 < dongs> holy dong water
2013-05-28T14:01:00 <+Steffanx> Meh, dongs stop it. I don't want to know
2013-05-28T14:01:26 < dongs> haha
2013-05-28T14:03:46 < Laurenceb> http://www.bibliotecapleyades.net/luna/esp_luna_6.htm
2013-05-28T14:03:54 < Laurenceb> send it to the moon
2013-05-28T14:04:24 < Laurenceb> http://www.theforbiddenknowledge.com/
2013-05-28T14:04:26 < Laurenceb> rofl
2013-05-28T14:05:35 <+Steffanx> Do you have issues with your bullshit-fetish Laurenceb?
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2013-05-28T14:41:10 < karlp> how about that bluetooth: " <@ozomatli> My bluetooth pebble has decreased my iPhone battery from 3-4 days to 24 hours."
2013-05-28T14:42:57 < zyp> not really surprising
2013-05-28T14:44:55 < zyp> when you need to wake up the app-cpu every once in a while for an app to do some communication it's pretty obvious that it would incur a significant amount of power draw over just remaining in sleep
2013-05-28T14:46:51 < karlp> sure, but "a lot" of people have lots of wakeups anyway, for getting their facebook messages and their mail and update their locations on foursquare and so on,
2013-05-28T14:47:02 < karlp> I wouldn't have expected it to be such a large change.
2013-05-28T14:47:29 < karlp> I wonder how much his phone would use with a regular bluetooth headset.
2013-05-28T14:48:34 < zyp> karlp, that lot of people aren't the ones getting 3-4 days
2013-05-28T14:48:46 < karlp> fair point :)
2013-05-28T14:48:59 < karlp> I'm actually surprised this guy claims that, actually.
2013-05-28T14:49:06 < zyp> or maybe the pebble app is just very inefficient
2013-05-28T14:49:21 < zyp> I honestly have no idea, I'm just guessing
2013-05-28T14:49:23 < karlp> but I think it's still very likely that the pebble app is very fast and loose with sleeping.
2013-05-28T14:49:41 < karlp> there's _lots_ of examples of apps unexpectedly being power hogs
2013-05-28T14:50:01 < zyp> true
2013-05-28T14:50:25 < zyp> apps grabbing wakelocks for no reason and so on
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2013-05-28T14:50:58 < zyp> oh well
2013-05-28T14:51:19 < zyp> as long as you can measure battery life in days I'd say you're good anyway
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2013-05-28T14:52:09  * Steffanx looks at his samsung c3050. What a wonderful device :P
2013-05-28T14:52:13 < zyp> I need to sleep and recharge my batteries every day, so I don't really have any problems with my phone having to do that too meanwhile
2013-05-28T14:52:40 < karlp> sure, but it's nice not to have to take a charger with you at all times incase y ou end up away from home
2013-05-28T14:53:15 < zyp> with the abundance of microusb, you don't really have to either
2013-05-28T14:53:30 <+Steffanx> karlp. On the other hand. Would you die from a phone with a empty battery?
2013-05-28T14:53:51 < karlp> zyp: doesn't mean I want to rely on it :)
2013-05-28T14:54:06 < bairdy> On the last camping trip, I only managed to go unconscious-sleep twice during the 6 days.. :/
2013-05-28T14:54:25 <+Steffanx> but you are a known weird guy bairdy
2013-05-28T14:54:59 <+Steffanx> And do you have a fancy phone?
2013-05-28T14:55:52 < bairdy> Nexus10. And I think is a Nokia C5
2013-05-28T14:56:20 < bairdy> I was riding a motorbike on that fatigue, too..
2013-05-28T14:56:21 < zyp> does Nexus10 come with a modem?
2013-05-28T14:56:27 < zyp> I thought it only had wlan
2013-05-28T14:56:35 < bairdy> Nah, it's not actually a phone. :)
2013-05-28T14:57:01 < bairdy> Looking at getting a mobile broadband hotspot sometime soon, though.
2013-05-28T14:57:17 < zyp> well, then it's pointless to have it on when it's not in use, making the idle time discussion moot
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2013-05-28T15:01:24 < karlp> speaking of bluetooth: http://www.theregister.co.uk/2013/05/28/teeny_tiny_bluetooth_doubles_battery_life/
2013-05-28T15:01:59 <+Steffanx> That's the same as what Laurenceb linked too
2013-05-28T15:02:21 < karlp> serves me right for not reading the scrollback today
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2013-05-28T15:02:38 < karlp> most mornings I read scrollback over a coffee. the one damn day, I reblog old news :)
2013-05-28T15:02:45 <+Steffanx> oh, i tought you started about bluetooth because Laurenceb mentioned something about it
2013-05-28T15:03:15 < zyp> karlp, it's ok, I haven't read scrollback so this is news to me
2013-05-28T15:04:01 <+Steffanx> Nah, he posted a link to the device itself, not some news post on 'the register'
2013-05-28T15:04:08 <+Steffanx> *chip
2013-05-28T15:05:03 < zyp> maybe I just have a mental filter on any url pasted by Laurenceb
2013-05-28T15:05:21 <+Steffanx> :P
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2013-05-28T15:10:54 < dongs> sup blogs
2013-05-28T15:13:52 < Laurenceb> anyone know how to use offset correctly in gnuplot?
2013-05-28T15:14:01 < Laurenceb> inb4 "opensores"
2013-05-28T15:14:12 < dongs> gnupoop
2013-05-28T15:15:49 < karlp> for val in dataset: val = val + 10?
2013-05-28T15:16:24 < Laurenceb> axis tic/label offsets
2013-05-28T15:18:32 < Laurenceb> guess ill have to use inkscape
2013-05-28T15:27:05 <+Steffanx> :P
2013-05-28T15:27:36 <+Steffanx> No LaTex magix Laurenceb?
2013-05-28T15:29:29 < Laurenceb> looks like gnuplot is overwriting my eps file
2013-05-28T15:29:31 < Laurenceb> fail
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2013-05-28T15:41:31 < Tectu> is it usual that the shielding of an RS-485 cable is not connected to anything?
2013-05-28T15:43:03 < jpa-> there are three kinds of people; some connect the shield at one end, some connect at both ends and some don't connect at all
2013-05-28T15:43:17 < jpa-> they are all absolutely convinced that their own way is the only correct one
2013-05-28T15:43:59 < talsit> jpa-: are they all right?
2013-05-28T15:44:10 < jpa-> i don't know
2013-05-28T15:44:21  * talsit should read the flash programming datasheet again, just to make sure
2013-05-28T15:57:40 < Laurenceb> lolz
2013-05-28T15:57:42 < Laurenceb> http://i.imgur.com/pW2RljS.png
2013-05-28T15:57:54 < Laurenceb> down to one fail in eps -> png conversion
2013-05-28T15:58:48 <+Steffanx> fail? That little part that is drawn outside the 'lines' ?
2013-05-28T15:58:53 < Laurenceb> alpha should be mu
2013-05-28T15:58:59 < Laurenceb> i don't care about that
2013-05-28T15:59:01 < karlp> jpa-: pretty sure no-one says to connect at both ends.
2013-05-28T15:59:02 <+Steffanx> oh :)
2013-05-28T15:59:10 <+Steffanx> Laurenceb, yeah. I was about to say you should keep that
2013-05-28T15:59:48 < Laurenceb> eps looks ok... ill see what latex thinks of it
2013-05-28T15:59:49 <+Steffanx> Litte kids are not able to paint inside the lines. Nor is Laurenceb
2013-05-28T15:59:57 <+Steffanx> *neither
2013-05-28T16:00:03 < Laurenceb> trolololol
2013-05-28T16:01:53 < jpa-> karlp: for example USB cables have shield connected to connectors at both ends, just that it shouldn't be connected on the PCB
2013-05-28T16:02:22 < talsit> jpa-: why not?
2013-05-28T16:02:42 < Laurenceb> heh
2013-05-28T16:02:53 < Laurenceb> command line convert works ok  > http://i.imgur.com/ZU8JhyR.png
2013-05-28T16:02:55 < jpa-> talsit: because of things
2013-05-28T16:03:03 < talsit> i like things
2013-05-28T16:03:19 < jpa-> talsit: magic emc fairies travel through the shield and have an orgy on your ground plane
2013-05-28T16:03:34 < Laurenceb> baird would fap to that
2013-05-28T16:03:45 < talsit> i also like fairies
2013-05-28T16:04:09 < talsit> fair enough
2013-05-28T16:04:17  * talsit goes off to make some mods
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2013-05-28T16:17:15 < karlp> so, has anyone here had any problems with the V revision stm32L vs the W revision?
2013-05-28T16:17:19 < karlp> long shot I know .)
2013-05-28T16:18:27 < jpa-> what kind of problems?
2013-05-28T16:18:29 < karlp> we're getting these crashes at bootup with bad memory fetch, and all the W boards we have run fine, but the newer V boards don't, swapping a V out for an older W works on the board we've tried, but it could still be manufacutirng problems rather than parts
2013-05-28T16:18:47 < karlp> that hardfault you were helping me with, random odd failures very early in clock setup.
2013-05-28T16:19:04 < karlp> fault depends on what garage ends up coming in from memory and attempting to be used.
2013-05-28T16:20:03 < karlp> around here normally, but sometimes a few calls later https://github.com/libopencm3/libopencm3/blob/master/lib/stm32/l1/rcc.c#L525
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2013-05-28T16:22:53 < jpa-> karlp: what is the voltage scale for you?
2013-05-28T16:24:52 < jpa-> though hm, that comes later
2013-05-28T16:26:00 < zyp> karlp, and nothing in errata I guess?
2013-05-28T16:28:10 < qyx_> have you tried lowering freq?
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2013-05-28T16:28:33 < jpa-> karlp: i wonder what is the default vcore for STM32L1.. because if it is other than Vcore=1.8V, you need wait states to run at the HSI 16 MHz
2013-05-28T16:28:53 < jpa-> and there it is switching to HSI before setting the wait states
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2013-05-28T16:31:40 < jpa-> for some reason i cannot figure out what vcore is when it boots.. the register definitions suggest Vcore=1.8V, but nothing else supports that; and if one wants to use the device at Vdd=2.0V, it would make sense for it to boot at lower Vcore
2013-05-28T16:34:34 < jpa-> no, actually
2013-05-28T16:34:41 < jpa-> default is 1.5 V
2013-05-28T16:35:16 < jpa-> karlp: so try sticking  flash_set_ws(1);  or similar at the start of that function and see if it helps
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2013-05-28T16:38:09 < karlp> nothing in errata, that we can see,
2013-05-28T16:38:22 < karlp> a tiny miniblink running off MSI works,
2013-05-28T16:39:12 < karlp> jpa-: will try that flash ws and double check vcore settings.
2013-05-28T16:40:12 < talsit> hey guys, i'm trying to clear the error flags in FLASH_SR, but it just ignores me, on the stm32f4
2013-05-28T16:40:32 < talsit> i've unlocked it, LOCK bit in FLASH_CR turns 0 after my unlocking
2013-05-28T16:41:26 < talsit> but writing to the error bits in FLASH_SR, specifically PGPERR & PGSERR (which are 1), just ignore me
2013-05-28T16:44:32 < talsit> anyone know why stm32f4 likes ignoring things like that?
2013-05-28T16:44:38 < dongs> time to try out libopencm3 again
2013-05-28T16:45:54 < zyp> just to have something to complain about?
2013-05-28T16:46:00 < dongs> see if it improved maye
2013-05-28T16:46:09 < zyp> nah, I bet you think it got worse
2013-05-28T16:46:20 < zyp> I mean, nowadays it requires python to generate some files
2013-05-28T16:46:23 < dongs> eh, no f3 support?
2013-05-28T16:46:37 < dongs> well, never mind that lol.
2013-05-28T16:46:44 < dongs> that was easy.
2013-05-28T16:47:13 < karlp> there's an f3 pull, but they seemed to have finished whatever they were working on, and on't really care about making the tweaks requested.
2013-05-28T16:47:33 < dongs> whats a pull for someone who's ESL
2013-05-28T16:47:53 < gxti> it's open sores stuff dongs, you wouldn't understand
2013-05-28T16:47:59 < dongs> i thi nk so
2013-05-28T16:48:13 < gxti> it's when someone did some stuff and they want you to merge it into your repository
2013-05-28T16:48:23 < karlp> dongs: https://github.com/libopencm3/libopencm3/pull/82
2013-05-28T16:48:24 < zyp> «pull request», kinda synonymous with «submitted patch»
2013-05-28T16:48:56 < dongs> except, in typical opensauce way of shit, completely fucking assbackwards.
2013-05-28T16:49:08 < dongs> because PULL for sure means SOME NEW SHIT in english.
2013-05-28T16:49:15 < gxti> well you don't let random asshats push stuff to your repo, you have to look at it first
2013-05-28T16:49:42 < zyp> dongs, it's a pull _request_ as in «please pull the improvements I made into your repo»
2013-05-28T16:50:26 < dongs> so how is taht different from heres a fucking patch, apply it
2013-05-28T16:50:34 < karlp> it's not.
2013-05-28T16:50:38 < gxti> it's not a patch, it's a shitheap of patches
2013-05-28T16:50:45 < gxti> neatly arranged and quite smelly
2013-05-28T16:50:50 < zyp> gxti, it doesn't have to be
2013-05-28T16:50:53 < karlp> let me rephase, "a patch was sent, it wasn't good enough, and they haven't fixed it"
2013-05-28T16:50:56 < gxti> i know i just felt like talking
2013-05-28T16:51:08 < dongs> http://www.hightool.co.kr/goods_detail.php?goodsIdx=5630
2013-05-28T16:51:08 < karlp> and they were university students, and I suspect they're now finished and don't care anymore.
2013-05-28T16:51:44 < gxti> maybe if it were permissively licensed more people would actually be interested in working on it :|
2013-05-28T16:51:46 < dongs> so what was wrong wiht hte patch?
2013-05-28T16:51:53 < dongs> gxti: haha
2013-05-28T16:52:04 < karlp> gxti: that's a project I've got on my plate, just been a bit busy.
2013-05-28T16:52:09 < zyp> gxti, quite possibly
2013-05-28T16:52:15 < karlp> there's some general approval for a concrete linking exception,
2013-05-28T16:52:28 < karlp> but esden said I had to do the legwork myself to get it done.
2013-05-28T16:52:52 < karlp> got to track down all contributors and either get them to agree, or work out what can be removed or some alternative.
2013-05-28T16:52:58 < karlp> but I've been a little busy recently.
2013-05-28T16:53:29 < talsit> ok, take 2: anyone have working stm32f4 bootloading code i have a look at to see what i'm doing wrong?
2013-05-28T16:54:24 < zyp> I were talking to a guy at a related company last week, he wanted some introduction to stm32, and I couldn't really suggest using anything but stdlib
2013-05-28T16:54:29 < gxti> talsit: only f1, sorry
2013-05-28T16:54:46 < karlp> zyp: libopencm3 still not good enough?
2013-05-28T16:54:48 < talsit> gxti: thx
2013-05-28T16:54:54 < karlp> you still hate the rcc clock setup that much? ;)
2013-05-28T16:55:02 < karlp> what about laks?!
2013-05-28T16:55:15 < zyp> karlp, this is an old guy working on commercial projects, I don't think libopencm3 licensing would be interesting to him
2013-05-28T16:56:01 < zyp> well, that's C++11, I can't recommend that to a guy that apparently opted to use IAR (because that's what he's been using for other platforms before)
2013-05-28T16:56:07 < karlp> on that, I don't believe I have a snowflakes chance in hell of getting it to become 2 clause bsd, but would lgpl with linking exception meet "most" peoople's current problems with locm3's licensing?
2013-05-28T16:56:28 < zyp> probably
2013-05-28T16:56:29 < karlp> that's what I reckon I _can_ get made formal at least.
2013-05-28T16:56:42 < dongs> well, cocks.
2013-05-28T16:57:08 < dongs> so libopencm3 still sucks. i wonder if theres anything better
2013-05-28T16:57:16 < zyp> I don't think so
2013-05-28T16:57:38 < zyp> ah, and I also discovered that IAR's stuff seems even worse than stdlib
2013-05-28T16:57:46 < zyp> at least the register definitions
2013-05-28T16:57:54 < dongs> haha
2013-05-28T16:57:55 < zyp> it's full of bitfield structs
2013-05-28T16:58:01 < gxti> bitfieldz
2013-05-28T16:58:13 < dongs> CMSIS is "free" as in whatever the fuck right?
2013-05-28T16:58:21 < dongs> or is there some aids restriction on that too?
2013-05-28T16:58:27 < dongs> i mean why did libopencm3 rewrite that also
2013-05-28T16:58:36 < karlp> cmsis wasn't at the time.
2013-05-28T16:59:27 < dongs> use and copy the CMSIS Specification for the purpose of developing, having developed, manufacturing, having manufactured, offering to sell, selling, supplying or otherwise distributing products that comply with the CMSIS Specification, provided that you preserve any copyright notices which are included with, or in, the CMSIS Specification
2013-05-28T16:59:34 < dongs> ok looks fairly "do whatever the fuck you want" license.
2013-05-28T17:01:25 < zyp> oh well
2013-05-28T17:01:38 < dongs> ya i forgot waht the point was
2013-05-28T17:03:23 <+Steffanx> Tectu i know you're there
2013-05-28T17:03:40 < dongs> what does kawaiiOS use
2013-05-28T17:03:48 < dongs> do they rewrite all CM3 shit too?
2013-05-28T17:03:54 < zyp> think so
2013-05-28T17:04:02 < dongs> fucking opensauce dweebs
2013-05-28T17:04:10 < dongs> so much fucking duplication of effort
2013-05-28T17:04:16 < dongs> if all these fucks would just work together for once
2013-05-28T17:04:23 < dongs> maybe they could have a browser that isn't shit!
2013-05-28T17:04:41 < qyx_> ie ftw!
2013-05-28T17:04:43 < qyx_> </troll>
2013-05-28T17:05:37 <+Steffanx> ie10 aint that bad
2013-05-28T17:06:02 < qyx_> hopefully after many years
2013-05-28T17:07:19 < gxti> it's not, but it has a lot of bad reputation to unwind :p
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2013-05-28T17:39:35 < jpa-> karlp: btw, why do you switch to HSI there?
2013-05-28T17:41:58 < dongs_> https://bugs.launchpad.net/ubuntu/+source/command-not-found/+bug/1055766 lunix trolling
2013-05-28T17:43:14 -!- dongs_ is now known as dongs
2013-05-28T17:44:30 < dongs>  - "People who searched for this regexp also searched for" ahahah.
2013-05-28T17:46:49 < qyx_> lol
2013-05-28T17:49:18 <+Steffanx> dongs started that bug report, for sure
2013-05-28T17:49:36 <+Steffanx> oh no, no 'crap' and/or 'lunix' in it
2013-05-28T17:49:51 < dongs> nope, wasnt me
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2013-05-28T18:26:46 < trepidaciousMBR> talsit: I don't know if this will help, but maybe have a look at http://www.blaicher.com/2012/05/chibios-based-stm32-bootloader-example/
2013-05-28T18:26:59 < trepidaciousMBR> I think the STM32F4 flash interface is fairly similar to the STM32F1?
2013-05-28T18:27:16 < talsit> trepidaciousMBR: that's the one i was basing mine off
2013-05-28T18:27:23 < talsit> but the flash layout is different
2013-05-28T18:27:40 < talsit> so, i thought it would be a good plan to re-write all that part from scratch
2013-05-28T18:27:51 < talsit> i just rearranged my code, and it's working
2013-05-28T18:27:58 < trepidaciousMBR> Ah great
2013-05-28T18:28:01 < talsit> will try to track down the exact reason tomorrow
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2013-05-28T18:33:32 < zyp> trepidaciousMBR, it's rather different actually
2013-05-28T18:34:18 < trepidaciousMBR> In terms of flash layout or the registers for writing flash?
2013-05-28T18:34:24 < talsit> both
2013-05-28T18:34:30 < Laurenceb> <karlp> and they were university students, and I suspect they're now finished and don't care anymore.
2013-05-28T18:34:31 < Laurenceb> heh
2013-05-28T18:34:49 < Laurenceb> actually they are lurking in here
2013-05-28T18:35:42 < talsit> trepidaciousMBR: the layout is not equal-sized sectors
2013-05-28T18:35:54 < talsit> and there are different registers
2013-05-28T18:36:16 < trepidaciousMBR> Yup I knew about the sectors, weird giant sectors :)
2013-05-28T18:36:26 < talsit> and tiny ones too
2013-05-28T18:36:29 < talsit> well... "tiny"
2013-05-28T18:36:32 < trepidaciousMBR> yup :)
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2013-05-28T18:49:28 < Laurenceb> attn dongs
2013-05-28T18:49:30 < Laurenceb> http://www.youtube.com/watch?feature=player_embedded&v=USiaeXzYkOE
2013-05-28T18:57:20 < dongs> Laurenceb: 2 years old
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2013-05-28T19:01:05 < dongs> bedtime
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2013-05-28T19:04:35 < talsit> sodesu
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2013-05-28T19:11:27 < Tectu_> http://hackaday.com/2013/05/28/etch-your-own-cpld-development-board/
2013-05-28T19:11:31 < Tectu_> like anyone would do cpld
2013-05-28T19:11:48 < Laurenceb> zyp likes it
2013-05-28T19:12:12 <+Steffanx> and he uses it nicely
2013-05-28T19:12:18 < Tectu_> hmm
2013-05-28T19:12:24 < Tectu_> isn't cpld somehow obsolete these days?
2013-05-28T19:12:34 < Laurenceb> by?
2013-05-28T19:12:35 < Tectu_> or can they do anthing that an fpga can't?
2013-05-28T19:12:35 < jpa-> are PICs obsolete these days?
2013-05-28T19:12:41 <+Steffanx> Yes jpa-
2013-05-28T19:12:45 <+Steffanx> the 8/16 bits :P
2013-05-28T19:12:46 < Tectu_> dat argumentation
2013-05-28T19:12:49 < jpa-> CPLDs can work right from the boot
2013-05-28T19:12:57 < jpa-> that's one advantage
2013-05-28T19:13:21 <+Steffanx> Are cheapish
2013-05-28T19:14:31 < jpa-> simple logic for simple brains?
2013-05-28T19:14:59 < zyp> Tectu_, they are cheap and nonvolatile
2013-05-28T19:15:23 < Tectu_> zyp, how cheap is cheap?
2013-05-28T19:15:25 < zyp> just plop it into the circuit, program it with what it's supposed to do, then forget about it
2013-05-28T19:15:36 < Tectu_> how do you program them? VHDL works?
2013-05-28T19:15:39 < zyp> around $1 for the ones I've been using
2013-05-28T19:15:41 < zyp> yes
2013-05-28T19:15:42 < Tectu_> oh
2013-05-28T19:15:49 < Tectu_> cheapest FPGAs I know are like 5$
2013-05-28T19:16:28 < jpa-> there are $1 FPGAs also
2013-05-28T19:16:36 < jpa-> they are slow and small, of course
2013-05-28T19:16:43 < zyp> http://www.digikey.no/product-detail/en/XC9536XL-10VQG44C/122-1385-ND/826988 <- this is what I used on my quadrotor board
2013-05-28T19:17:20 < zyp> of course, it doesn't hold much state, but then I weren't going to use it for that either
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2013-05-28T19:17:42 < jpa-> that's not $1 :P
2013-05-28T19:18:21 < Tectu_> zyp, are CPLDs slower or faster than the average FPGAs?
2013-05-28T19:18:24 < zyp> jpa-, not far off
2013-05-28T19:18:34 < zyp> probably slower
2013-05-28T19:18:54 < jpa-> Tectu_: highest end FPGAs run into >1000€, while there aren't really that big CPLDs :)
2013-05-28T19:18:59 < jpa-> so that distorts the average :)
2013-05-28T19:19:16 < Tectu_> zyp, http://www.digikey.com/product-detail/en/ICE40HX1K-VQ100/220-1567-ND/3083577
2013-05-28T19:19:41 < jpa-> ice40 is nice but slowish
2013-05-28T19:19:52 < Tectu_> will work in my project
2013-05-28T19:19:57 < zyp> that thing is way more capable than the cpld I posted :p
2013-05-28T19:19:59 < Laurenceb> WTF ubuntu
2013-05-28T19:20:06 < Laurenceb> why is Documents in bookmarks
2013-05-28T19:20:08 < Laurenceb> RAGEEE
2013-05-28T19:21:10 <+Steffanx> Laurenceb special link for you: http://share.naffets.nl/4laurenceb-20130528-182057.jpg
2013-05-28T19:21:24 < Laurenceb> lol
2013-05-28T19:21:24 < gxti> Steffanx: ##stm32-crap
2013-05-28T19:21:33 < gxti> /s
2013-05-28T19:21:34 < Tectu_> zyp, that is why I ask... why do you use CPLDs
2013-05-28T19:21:46 <+Steffanx> it was relevant here gxti
2013-05-28T19:21:59 < zyp> Tectu_, I put it on a board to have reroutable IO
2013-05-28T19:21:59 < gxti> Tectu_: because not everything demands the most capable part
2013-05-28T19:22:10 < Tectu_> zyp, huh?
2013-05-28T19:22:30 < Tectu_> zyp, you do reroutable IOs on a board? where do you need such a thing?
2013-05-28T19:22:34 < zyp> http://bin.jvnv.net/f/sTW8U.JPG <- this thing
2013-05-28T19:23:08 < gxti> CPLDs do lots of basic stuff, basically a programmable glue logic
2013-05-28T19:23:13 < Tectu_> zyp, that's your quad board, no?
2013-05-28T19:23:15 < gxti> no need for 74xx parts
2013-05-28T19:23:18 < zyp> Tectu_, yep
2013-05-28T19:23:25 < gxti> logic, level shifting, rewiring
2013-05-28T19:23:35 < jpa-> CPLD is quite nice if you only need combinatorial stuff
2013-05-28T19:23:51 < Tectu_> zyp, why do you need reroutable I/Os on such an application specific board?
2013-05-28T19:23:53 < gxti> and they're cheap and use negligible power and don't need many external parts
2013-05-28T19:24:02 < jpa-> also more predictable delays in that kind of uses
2013-05-28T19:24:20 < gxti> FPGAs often need different, multiple power rails and at least a spi flash
2013-05-28T19:24:31 < gxti> and cost more and are bigger etc
2013-05-28T19:24:31 < Tectu_> what's "negligible power"?
2013-05-28T19:24:42 < gxti> how long is a piece of string, Tectu_?
2013-05-28T19:24:49 < zyp> Tectu_, because then it can be reprogrammed to talk different protocols
2013-05-28T19:24:54 < Tectu_> gxti, 12.87cm
2013-05-28T19:24:57 < zyp> PWM, CAN, UART, etc
2013-05-28T19:25:00 < gxti> Tectu_: then it uses 1.21 jiggawatts
2013-05-28T19:25:06 < Tectu_> gxti, :P
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2013-05-28T19:25:20 < Tectu_> zyp, fancy o.O
2013-05-28T19:25:28 < Tectu_> zyp, what's the inteface between the MCU and the CPLD?
2013-05-28T19:25:36 < Tectu_> also, can you reprogram the CPLD from your MCU?
2013-05-28T19:25:39 < zyp> yes
2013-05-28T19:25:52 < Tectu_> I chosed the ice40 so far because I can programm it over SPI, which I cant with altera
2013-05-28T19:26:07 <+Steffanx> jtag is easy
2013-05-28T19:26:09 < jpa-> the altera programming protocol isn't that bad either
2013-05-28T19:26:38 < zyp> I just hooked up the jtag interface to some free gpios and wrote a usb driver to bitbang it
2013-05-28T19:26:50 < Tectu_> then my next reason: altera only have BGA (unless you go for a cyclone II)
2013-05-28T19:27:04 < zyp> then I have a python script that translates from xilinx xvd protocol to that usb protocol
2013-05-28T19:27:26 < zyp> so I can program it directly from the xilinx tools, without any special hardware
2013-05-28T19:27:46 < Tectu_> cool
2013-05-28T19:28:13 < zyp> http://cgit.jvnv.net/suzumebachi/tree/main.cpp#n123 <- MCU side is as simple as this
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2013-05-28T19:32:14 < jpa-> Tectu_: cyclone iv is also available in lqfp144
2013-05-28T19:32:46 < Tectu_> jpa-, yes, for 40$, no?
2013-05-28T19:33:13 < jpa-> well depends of course what you need   http://www.digikey.com/product-detail/en/EP4CE6E22I8LN/544-2653-ND/2295895
2013-05-28T19:33:38 < Tectu_> not sure why I didn't see that one so far
2013-05-28T19:34:03 < Laurenceb> wohoo
2013-05-28T19:34:04 < jpa-> but yeah, obviously any high-end altera fpga is going to be more than your $5 one
2013-05-28T19:34:14 < Laurenceb> rewrote gnome-panel and compiled
2013-05-28T19:34:19 < Laurenceb> works nicely now
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2013-05-28T20:21:44 < trepidaciousMBR> Does anyone know when the STM32F429/439 will be available (without hassle...)?
2013-05-28T20:22:06 < jpa-> 2015
2013-05-28T20:25:50 < Tectu_> jpa-, kidding?
2013-05-28T20:27:18 < karlp> jpa-: yeah, switch to HSI is suspect, we've removed it, but it's not helping (yet)
2013-05-28T20:27:49 < karlp> I presume the idea was, "switch to HSI, no need to keep running slowly on MSI when we're switching on to pll anyway"
2013-05-28T20:27:55 < karlp> but definitely ssuspect.
2013-05-28T20:28:19 < karlp> we've found one or two other things slightly different from some stdperiphlib startup, but not helping (yet)
2013-05-28T20:28:19 < Tectu_> what's MSI? do you mean LSI?
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2013-05-28T20:29:33 < zyp> no, L1 has a MSI
2013-05-28T20:29:45 < Tectu_> what does MSI stand for?
2013-05-28T20:29:51 < zyp> medium
2013-05-28T20:29:53 < zyp> of course
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2013-05-28T20:32:28 < jpa-> karlp: yeah, well if i'm reading the reference manual right, switching to HSI before setting wait states or voltage level is plain wrong
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2013-05-28T20:32:59 < jpa-> zyp, Tectu_: actually i think it is "multispeed"
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2013-05-28T20:34:00 < karlp> M stands for "multispeed" iirc,
2013-05-28T20:34:08 < karlp> yeah, doh, not fast enough catching up again.
2013-05-28T20:35:07 < zyp> ah
2013-05-28T20:35:58 < zyp> well, either way it's faster than the LSI and slower than the HSI
2013-05-28T20:35:59 < zyp> :p
2013-05-28T20:36:15 < Tectu_> is «The reason herefore....» a correct sentence?
2013-05-28T20:36:25 < Tectu_> or is «herefore» just complete garbage?
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2013-05-28T20:43:06 < jpa-> Tectu_: sounds strange atleast
2013-05-28T20:46:34 < trepidaciousMBR> heretofore is a word
2013-05-28T20:47:34 < gxti> hencewith whereagainst
2013-05-28T20:48:48 < gxti> Tectu_: probably meant 'wherefore' or 'therefore' depending on context...
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2013-05-28T20:51:11 < jpa-> wherefore therefore embodies likewise graceful substitute
2013-05-28T20:52:18 < gxti> mooltispeed
2013-05-28T20:52:20 < zyp> wherefore? therefore!
2013-05-28T20:52:27 < gxti> leeloo dallas multispeed.
2013-05-28T20:53:36 < trepidaciousMBR> all those words can be replaced with ones people understand better, without loss of meaning, but lawyers love them
2013-05-28T20:55:21 < trepidaciousMBR> So no clues on the STM32F429? I guess I could ask ST :(
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2013-05-28T21:10:24 < jpa-> what Laurenceb does when he is not trolling at work: http://www.reddit.com/r/AskReddit/comments/1f607z/owners_of_a_raspberry_pi_what_do_you_use_it_for/ca7an5w
2013-05-28T21:12:57 < gxti> troll on reddit? yeah we know
2013-05-28T21:28:17 <+Steffanx> You should say: jpa- ##stm32-crap .. gxti
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2013-05-28T21:28:39 < gxti> are you implying that dildos are offtopic here?
2013-05-28T21:29:05 <+Steffanx> if your replace the rpi with a stm32 it gets more ontopic, but now .. ?
2013-05-28T21:29:09 <+Steffanx> *you
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2013-05-28T22:25:03 < Luggi09> does anyone know a cheap source in europe for small quantities of stm32f303 chips.. paying 10€ for one of those at farnell seems a bit much
2013-05-28T22:25:25 < zyp> what about digikey?
2013-05-28T22:26:31 < Luggi09> I'd just have to find enough stuff to reach the 60€ minimum order, doesn't look too got atm :)
2013-05-28T22:26:36 < Luggi09> *good
2013-05-28T22:26:40 < zyp> minimum?
2013-05-28T22:27:41 < Luggi09> for ordering in europe you have to order for more than 60€, otherwise you pay 15€ shipping or more
2013-05-28T22:27:53 < zyp> ah, the free shipping limit
2013-05-28T22:28:48 < Luggi09> yeah, same with rs-components 50€, a year ago shipping was allways free :/
2013-05-28T22:29:03 <+Steffanx> Where is luggi from? italy?
2013-05-28T22:29:27 < Luggi09> I'm from austria, actually not too far from italy ;)
2013-05-28T22:29:45 < zyp> Luggi09, I'm in norway, i.e. also in europe, and I still prefer shopping from digikey
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2013-05-28T22:31:13 < zyp> but then I also usually go above the free shipping limit anyway
2013-05-28T22:31:36 < zyp> last week I just piggybacked some personal items on top of a work order I did from there
2013-05-28T22:32:15 < Luggi09> I wish I could do that :) perhaps I'll find someone, who also needs some parts from digikey
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2013-05-28T22:32:47 < Luggi09> I actually never ordered there, just from rs-components and some german shops
2013-05-28T22:32:52 < zyp> the trick is to just do several projects at once and get all the parts on the same order ;)
2013-05-28T22:33:51 < Luggi09> I allready have far to many projects on the side, just waiting to be finished ^^
2013-05-28T22:34:19 < zyp> then finish them instead of starting on new ones :p
2013-05-28T22:35:25 < Luggi09> :P
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2013-05-28T23:12:59 < gxti> that's boring
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2013-05-28T23:40:12 < Laurenceb__> http://www.youtube.com/user/DMCAServicesBureau
2013-05-28T23:40:23 < Laurenceb__> poe's law....
2013-05-28T23:41:11 < gxti> not rly
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--- Day changed Wed May 29 2013
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2013-05-29T00:13:37 < mattbrejza> hey, anyone got any ideas why a DMA SPI transfer stops mid way?
2013-05-29T00:15:47 < zyp> how does it stop?
2013-05-29T00:16:15 < karlp> spi slave/spi master?
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2013-05-29T00:19:56 < mattbrejza> spi master
2013-05-29T00:19:59 < mattbrejza> transmitting data
2013-05-29T00:20:10 < mattbrejza> i set the number of bytes to transfer
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2013-05-29T00:21:00 < mattbrejza> it stops mid transfer around the same point each time,  but not exactly the same point
2013-05-29T00:21:29 < zyp> and what's the SPI status register when it stops?
2013-05-29T00:22:52 < mattbrejza> 0x61
2013-05-29T00:22:53 -!- Vutral [~ss@mirbsd/special/Vutral] has joined ##stm32
2013-05-29T00:24:01 < mattbrejza> (BSY, OVR, RXNE)
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2013-05-29T00:24:19 < mattbrejza> hmm overrun
2013-05-29T00:24:37 < zyp> that's normal
2013-05-29T00:24:39 < zyp> what's CR1?
2013-05-29T00:25:38 < mattbrejza> SPI1->CR1 = 0b000 << 3 | 1 << 2 | 1 << 6;
2013-05-29T00:25:55 < zyp> I mean, what's the actual value of CR1 when it stopped?
2013-05-29T00:26:08 < mattbrejza> oh right, was assuming it was only set by software
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2013-05-29T00:26:38 < zyp> my guess is 0x40
2013-05-29T00:27:56 < mattbrejza> hmm
2013-05-29T00:27:59 < mattbrejza> apparnetly 0x0
2013-05-29T00:28:06 < zyp> the problem is probably that you don't have the SSM bit set in CR1, which means that hardware slave management is enabled
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2013-05-29T00:28:30 < zyp> which will cause it to drop out of master mode if it gets any activity on the NSS pin
2013-05-29T00:28:39 < karlp> fuck that hardware slave bullshit right up
2013-05-29T00:28:44 < mattbrejza> oh right
2013-05-29T00:28:46 < mattbrejza> yea i dont
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2013-05-29T00:30:25 < mattbrejza> i set SSM but now it doesnt really do anything
2013-05-29T00:30:38 < mattbrejza> this is what happens when you try to configure something using registers when youre not quite sure what youre doing
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2013-05-29T00:31:21 < zyp> when you set SSM you also have to set SSI
2013-05-29T00:31:33 < zyp> otherwise it's always forced to slave
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2013-05-29T00:33:25 < mattbrejza> ah much better
2013-05-29T00:33:30 < mattbrejza> many thanks zyp
2013-05-29T00:33:34 < zyp> no problems
2013-05-29T00:33:40 < mattbrejza> not sure would have worked that one out quickely
2013-05-29T00:33:48 < zyp> did it solve the original problem with dma?
2013-05-29T00:33:52 < mattbrejza> yea
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2013-05-29T00:34:57 < zyp> karlp, it's probably useful for some, it's just the default behavior of on that's causing surprises
2013-05-29T00:36:42 < mattbrejza> especially when you dont read the description carefully
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2013-05-29T00:43:01 < karlp> zyp: useful to people doing multi master spi only as best I can tell.
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2013-05-29T00:51:09 < zyp> karlp, of course
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2013-05-29T00:54:54 < johntramp> hi, i am trying to figure out what is causing my i2c bus clk to be held low. problem is that it could run fine for over 24 hrs before it happens again. any tips on what I can try?
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2013-05-29T01:02:18 < zyp> first you want to find out if it's your master or one of your slaves doing that
2013-05-29T01:02:36 < zyp> hmm, no, it's master
2013-05-29T01:02:52 < zyp> then I guess you probably aren't handling errors correctly
2013-05-29T01:04:10 < johntramp> how would you typically handle that? clock out a bunch of ticks to complete any interrupted packet?
2013-05-29T01:05:18 < zyp> no, you don't get errors in the middle of a packet
2013-05-29T01:05:46 < zyp> but you can get a NAK at the end of a packet
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2013-05-29T01:13:25 < johntramp> zyp: the problem is that i can't see the end of the packet which is locking up the bus
2013-05-29T01:14:03 < zyp> «end»?
2013-05-29T01:14:22 < johntramp> well, any of it
2013-05-29T01:14:28 < zyp> the problem is that your software is getting confused by the error and not sending the STOP to terminate the transaction
2013-05-29T01:14:50 < johntramp> ok
2013-05-29T01:15:23 < johntramp> I am using chibios, so i suppose it could be a bug/limitation there
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2013-05-29T01:51:30 < qyx_> i had similar i2c problems using at91sam7s and avr in slave mode
2013-05-29T01:51:48 < johntramp> what is also interesting is that i am using 2 i2c busses and they are both locking up at the same time, even though only one clock is being held low
2013-05-29T01:52:04 < johntramp> they are independent threads so i don't see why that is happening
2013-05-29T01:55:45 < R0b0t1> Do the threads utilize some kind of common part of the OS framework?
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2013-05-29T02:21:43 < johntramp> R0b0t1: I don't know enough about the OS to tell
2013-05-29T02:22:33 < R0b0t1> Is the i2c interface exposed to you encapsulating most of the protocol?
2013-05-29T02:23:12 < R0b0t1> In any case you may check your bus to see if it there is crosstalk.
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2013-05-29T02:30:00 < johntramp> http://chibios.sourceforge.net/docs/hal_stm32f4xx_rm/group___i2_c.html is the interface
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2013-05-29T02:30:53 < johntramp> i have a IO pin toggling when an error occurs so hopefully I will be able to capture on a logic analyser
2013-05-29T02:32:34 < R0b0t1> Can you output the data/use a debugger?
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2013-05-29T02:46:30 < johntramp> R0b0t1: yes, i have openocd set up
2013-05-29T02:47:14 < R0b0t1> That may be the best way to get data back to the computer so you can read it (generally I do what you're doing, debug with logic toggles and a serial interface).
2013-05-29T02:49:41 < johntramp> it's hard because I haven't figured out how to reproduce the bug
2013-05-29T02:49:53 < johntramp> it can run for days without fault
2013-05-29T02:49:58 < R0b0t1> Oh, I figured it was doing it regularly.
2013-05-29T02:50:25 < R0b0t1> Got a picture of the layout? The irregularity makes me think crosstalk or noise.
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2013-05-29T02:51:15 < R0b0t1> What you could do now is try to shield the i2c runs but this will either 1) solve the problem, or, 2) make it even more irregular.
2013-05-29T02:52:41 < johntramp> I am using long cables and i2c bus extender modules, so it is possible
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2013-05-29T03:06:18 < qyx_> how long are that long cables?
2013-05-29T03:06:22 < qyx_> *these
2013-05-29T03:10:29 < R0b0t1> Saw one guy who was trying to do i2c over meter long cables with multiple branches.
2013-05-29T03:11:01 < johntramp> qyx_: >5m
2013-05-29T03:11:09 < dongs> uh...
2013-05-29T03:11:10 < dongs> wat.
2013-05-29T03:11:16 < johntramp> 4 of them, 2 busses
2013-05-29T03:12:12 < qyx_> johntramp: are you aware of the fact that the purpose of i2c is not long range communication?
2013-05-29T03:12:26 < johntramp> yes
2013-05-29T03:12:37 < johntramp> hence the bus extender modules
2013-05-29T03:12:39 < johntramp> http://www.nxp.com/documents/data_sheet/P82B715.pdf
2013-05-29T03:12:46 < qyx_> i would consider 1m i2c bus as exceptionally long
2013-05-29T03:13:27 < qyx_> and wouldn't ever try to communicate over non-differential bus over such long distances
2013-05-29T03:14:28 < johntramp> "hence the bus extender modules
2013-05-29T03:14:38 < qyx_> uff
2013-05-29T03:15:33 < johntramp> "For typical twisted pair or flat cables, as used for telephony or Ethernet (Cat5e) wiring [...] the cable could, in theory, be up to 50 m long. From practical experience, 30 m has proven a safe cable length to be driven in this simple way, up to 100 kHz
2013-05-29T03:18:11 < qyx_> it could be possible but i don't know of anyone who did that
2013-05-29T03:18:27 < qyx_> and personally i would rather use rs485 or something similar
2013-05-29T03:18:50 < qyx_> all these devices you use can cause your problems
2013-05-29T03:19:41 < johntramp> how do you this with a device which doesn't support the protocol
2013-05-29T03:20:14 < johntramp> i am talking with four accelerometers at 800hz
2013-05-29T03:21:08 < qyx_> for that cost (4e at farnell) you could simply use another controller and rs485 driver near accelerometer
2013-05-29T03:21:46 < johntramp> true
2013-05-29T03:21:57 < qyx_> or even CAN would be better in this scenario
2013-05-29T03:22:02 < johntramp> i don't have a lot of room to work with though
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2013-05-29T03:22:59 < johntramp> the pcb would have to be less than around 55x25mm
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2013-05-29T03:23:18 < dongs> uh, 800hz?
2013-05-29T03:23:28 < dongs> you cant even send i2c crap that fast to quiery data from ONE device at 800hz
2013-05-29T03:23:28 < johntramp> 800hz sample rate
2013-05-29T03:23:29 < dongs> but 4?
2013-05-29T03:23:32 < dongs> yes, I know
2013-05-29T03:23:51 < johntramp> sure you can
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2013-05-29T03:24:17 < johntramp> ok i cheat, 2 busses, 2 accelerometers per bus, 100khz i2c rate
2013-05-29T03:24:28 < qyx_> you have to read 3 registers, 2 bytes each
2013-05-29T03:24:35 < johntramp> 6
2013-05-29T03:24:40 < qyx_> some addressing magic overhead
2013-05-29T03:24:49 < qyx_> so 6 registers, around 20 bytes for one sample
2013-05-29T03:24:53 < johntramp> 32sample fifo on the accelerometer helps a lot though
2013-05-29T03:25:04 < johntramp> pull it all out in one go
2013-05-29T03:25:40 < dongs> 400kHz i2c bit time is 2.5us
2013-05-29T03:25:51 < qyx_> so counting bites with acks gives around 200bits per sample or 160000Hz scl rate
2013-05-29T03:25:56 < qyx_> *bits
2013-05-29T03:25:56 < dongs> qyx_: no, you generally do a continous read, x,.y,z regs are sequential
2013-05-29T03:26:02 < dongs> so its just addr + subaddr + 6 bytes
2013-05-29T03:26:17 < qyx_> 6 registers x 2 bytes assuming 16bit data
2013-05-29T03:26:27 < qyx_> ok, 14 bytes total including addressing
2013-05-29T03:26:39 < qyx_> still more than 100kHz required
2013-05-29T03:26:42 < dongs> right
2013-05-29T03:26:48 < johntramp> 6 bytes per x/y/z reading
2013-05-29T03:27:26 < qyx_> o\
2013-05-29T03:27:27 < qyx_> ok
2013-05-29T03:27:44 < dongs> anywho
2013-05-29T03:27:47 < qyx_> so half that, but you have 2 accels on one bus :)
2013-05-29T03:27:57 < johntramp> ah, sure
2013-05-29T03:28:11 < johntramp> well it is 195 bytes to read out 32 samples
2013-05-29T03:28:27 < dongs> point is
2013-05-29T03:28:32 < dongs> at 800hz ODR
2013-05-29T03:28:38 < dongs> you need 160us to read out one sample
2013-05-29T03:29:13 < dongs> repeat that 800 times, 128ms. hmm, still sounds wrong
2013-05-29T03:29:20 < dongs> it should be much bigger
2013-05-29T03:29:21 < johntramp> dongs: the accelerometer stores up to 32 samples, so you do a continuous read for 192 bytes
2013-05-29T03:29:24 < dongs> i must be miscalculating something
2013-05-29T03:29:28 < dongs> johntramp: so what, that doesnt matter
2013-05-29T03:29:37 < qyx_> anyway
2013-05-29T03:29:51 < dongs> but yeah anyway, i2c over 5 meters is fucking retarded.
2013-05-29T03:30:02 < qyx_> the point is that such hight rates over that long distance wouldnt probably work ok
2013-05-29T03:30:32 < qyx_> using i2c with any kind of drivers/extenders
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2013-05-29T03:31:49 < johntramp> there is 20ms to read 195 bytes, so a theoretical minimum i2c rate of 78khz
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2013-05-29T03:33:50 < dongs> lol
2013-05-29T03:34:00 < dongs> johntramp: what does it do with fifo while youre reading it?
2013-05-29T03:34:05 < dongs> does it backfill it?
2013-05-29T03:34:14 < dongs> or is it dead during those 20ms.
2013-05-29T03:38:11 < johntramp> dongs: it keeps on filling
2013-05-29T03:38:41 < johntramp> i am reading out once it has taken 24 readings
2013-05-29T03:41:04 < dongs> this is the biggest lot of junk on market battery life only lasts for 4 hours with out making any calls my phone been with technicians 3 times alreasdy i dont recommend this at all
2013-05-29T03:41:07 < dongs> haha
2013-05-29T03:41:58 <+Steffanx> Get a normal phone dongs
2013-05-29T03:42:03 <+Steffanx> aka non-fancy phone
2013-05-29T03:42:21 < qyx_> you mean some old samsung?
2013-05-29T03:42:33 <+Steffanx> No, siemens :P
2013-05-29T03:42:49 < qyx_> 2x16 char stn lcd?
2013-05-29T03:44:02 <+Steffanx> something like that
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2013-05-29T04:46:09 < inca> zlog: talk to me
2013-05-29T04:46:09 < zlog> inca: Log stored at http://tom-itx.dyndns.org:81/~tom-itx/irc/logs/%23%23stm32/2013-05-28.html
2013-05-29T04:47:01 < inca> zlog: you are not old enough
2013-05-29T04:47:01 < zlog> inca: Log stored at http://tom-itx.dyndns.org:81/~tom-itx/irc/logs/%23%23stm32/2013-05-28.html
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2013-05-29T06:18:30 < R0b0t1> johntramp: If you use CAN instead of i2c the differential signalling will allow you to read way faster than i2c could
2013-05-29T06:18:51 < R0b0t1> I don't know how you have so little room but such large cable runs
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2013-05-29T06:39:35 < johntramp> R0b0t1: i haven't ever found an accelerometer using can bus though
2013-05-29T06:40:55 < R0b0t1> You would need an interface chip, yeah.
2013-05-29T06:41:50 < R0b0t1> I'd seen similar things done in a factory setting with rs485. Partly because there was a rs485 system, partly because it was the only thing that had high enough noise immunity.
2013-05-29T06:42:13 < R0b0t1> system <-> rs485 <-> local bridge <-> device
2013-05-29T06:43:07 < R0b0t1>                 <-> local bridge <-> device (ad infinitum)
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2013-05-29T06:45:43 < johntramp> I don't know much about rs485, but I would have expected you would need an MCU between the busses?
2013-05-29T06:46:37 < johntramp> http://www.avrfreaks.net/index.php?name=PNphpBB2&file=viewtopic&t=105081
2013-05-29T06:46:44 < johntramp> someone else in a similar situation
2013-05-29T06:47:38 < R0b0t1> Well, quite honestly I would suggest CAN over rs485 if at all possible. rs485 has the advantage of being doable with a "dumb" bridge
2013-05-29T06:47:56 < R0b0t1> the real issue is the i2c, which may require you to have a controller at each drop
2013-05-29T06:47:58 < R0b0t1> I'm not sure though
2013-05-29T06:48:18 < johntramp> well, these IC's, while expensive, seem to be doing the trick
2013-05-29T06:48:27 < R0b0t1> The i2c extenders work then?
2013-05-29T06:48:52 < johntramp> yes
2013-05-29T06:49:49 < johntramp> just there is an intermittent fault which is happening once after a few days of reading the accelerometers
2013-05-29T06:49:57 < johntramp> and I can't say for certain that it isn't a noise issue
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2013-05-29T07:06:19 < upgrdman> you guys ever use liquid tin or equiv?
2013-05-29T07:11:22 < dongs> is that the shit that makes solder melt?
2013-05-29T07:17:05 < bairdy> Harleys are Shit. http://i.imgur.com/FEzosDq.jpg
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2013-05-29T07:24:15 < upgrdman> dongs: no, it plated copper with tin. so a diy pcb doesnt have to be bare copper that oxidizes in seconds
2013-05-29T07:24:39 < R0b0t1> johntramp: See if you can restart the accelerometers and extenders after a certain amount of time.
2013-05-29T07:24:52 < R0b0t1> johntramp: Well, does the fault happen repeatably after x amount of time?
2013-05-29T07:26:07 < R0b0t1> If it happens within a repeatable window it may be a silicon issue in the extenders.
2013-05-29T07:33:17 < johntramp> R0b0t1: no it isn't repeatable
2013-05-29T07:34:04 < GargantuaSauce> sounds like you should just make the system tolerant to spurious faults like that
2013-05-29T07:34:26 < GargantuaSauce> instead of chasing a very occasional issue directly
2013-05-29T07:34:32 < johntramp> yes
2013-05-29T07:34:38 < johntramp> but it is still nice to know what is going on
2013-05-29T07:35:29 < GargantuaSauce> someone turns on a light switch and the slave misses a bit and holds the clock low
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2013-05-29T07:39:30 < johntramp> yeah, i had that happen when the guys in the warehouse were tig welding
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2013-05-29T08:20:07 < bairdy> Today's bonus for Teenage Boys everywhere: http://www.weirdlyshaped.com/ ..
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2013-05-29T09:04:15 < R0b0t1> bairdy, those are pretty big breasts.
2013-05-29T09:04:26 < talsit> zlog
2013-05-29T09:04:26 < zlog> talsit: Log stored at http://tom-itx.dyndns.org:81/~tom-itx/irc/logs/%23%23stm32/2013-05-29.html
2013-05-29T09:05:40 < dongs> ugly
2013-05-29T09:06:04 < R0b0t1> I only said they were large.
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2013-05-29T09:10:06 < R0b0t1> The fit on some of her clothes kind of sucks but I assume whoever is making them is modifying prints made for actually fat women. Doesn't keep her from being pasty, though.
2013-05-29T09:10:34 < bairdy> Rather impressive, compared to the usual bra-bloggers.. But I get the impression (from actually reading her posts) that's she's gone through about 6 relationships in fewer years-- with guys who were reasonable well-to-do. My 40yoSenses tell me She Has Issues..
2013-05-29T09:11:58 < bairdy> Not an all-out man-hater (like someone I won't name :P), but hasn't exactly gipped how to get along in life.
2013-05-29T09:13:12 < bairdy> Irritating to read the "I had the Sads.. but then I could just go out and have fun times with all these friends who were lining up!" .... -_-  Clueless Privleged White Chick Syndrome. :P
2013-05-29T09:14:04 < R0b0t1> Indeed. That's why I was just looking at the pictures.
2013-05-29T09:14:08 < R0b0t1> I know how female bloggers work.
2013-05-29T09:14:25 < bairdy> Anyway, Teenage Boys should just be looking at the photos. :D
2013-05-29T09:15:02 < R0b0t1> I got tired of looking at datasheets :<
2013-05-29T09:15:05 < R0b0t1> Can't fault me.
2013-05-29T09:15:21 < bairdy> haha
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2013-05-29T09:27:16 < bairdy> This Beaglebone Black has somewhat proved itself to be a bit better than trash.. It's currently 60% through a Gentoo 'emerge -e', and hasn't flaked-out.
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2013-05-29T09:33:19 < R0b0t1> I was actually looking for embedded clients, that beaglebone was on the list.
2013-05-29T09:37:12 < dongs> haha gentoo
2013-05-29T09:40:14 < bairdy> haha prime95 is for fgts
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2013-05-29T11:02:49 < timemob> Troulenceb
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2013-05-29T11:23:09 < rigid> does anyone use some sort of standard font format decoder for LCDs? or just raster in header files...
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2013-05-29T11:26:02 < t1memob> Just that
2013-05-29T11:27:20 < rigid> hm... in theory RLE should gain a lot with 1bpp fonts... i'm currently thinking about giving it a try... there are plenty of readymade BMP/PCF/... decoders out there
2013-05-29T11:27:47 < jpa-> rigid: i'
2013-05-29T11:27:56 < jpa-> have been developing one lately
2013-05-29T11:28:07 < rigid> what? a font decoder?
2013-05-29T11:28:10 < jpa-> encoder
2013-05-29T11:28:14 < jpa-> + decoder obviously
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2013-05-29T11:28:25 < jpa-> it's a combination of RLE and dictionary encoding
2013-05-29T11:28:39 < rigid> hm... no standard format?
2013-05-29T11:29:10 < jpa-> haven't seen any standard good compressed format
2013-05-29T11:29:24 < rigid> hm, what'd drive me to do that would be mainly the ability to just link standard fonts into the binary
2013-05-29T11:29:32 < rigid> hm
2013-05-29T11:29:42 < jpa-> my encoder takes in standard bdf and encodes it
2013-05-29T11:30:19 < jpa-> you could use PCF as a standard font format also, but it is not compressed
2013-05-29T11:30:29 < t1memob> Elmchan has some font tools
2013-05-29T11:30:36 < t1memob> But I think it's just bitmap
2013-05-29T11:30:54 < rigid> jpa-: pcf is compressed
2013-05-29T11:31:13 < rigid> jpa-: at least toc_entry->format = PCF_COMPRESSED_METRICS suggests that
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2013-05-29T11:31:25 < rigid> i'm looking at http://fontforge.org/pcf-format.html
2013-05-29T11:31:56 < jpa-> wasn't that "compressed" just "use uint8_t instead of uint16_t" or something :)
2013-05-29T11:31:59 < GargantuaSauce> go hogwild and implement truetype
2013-05-29T11:32:05 < rigid> jpa-: yes, you're right :)
2013-05-29T11:32:09 < rigid> i was too quick
2013-05-29T11:32:16 < rigid> GargantuaSauce: :D
2013-05-29T11:32:54 < rigid> indeed, PCF doesn't support compressed bitmaps :-O
2013-05-29T11:33:05 < GargantuaSauce> actually apparently some chinese guy made freetype work on an f1
2013-05-29T11:33:32 < rigid> i guess it's because of low CPU powers in times when TTF didn't pretty much replaced it
2013-05-29T11:34:01 < rigid> shouldn't be too hard, but would be more or less useless on my 122x32 LCD :)
2013-05-29T11:34:26 < rigid> jpa-: is your code open?
2013-05-29T11:35:43 < GargantuaSauce> all the more reason to have subpixel rendering
2013-05-29T11:36:37 < rigid> GargantuaSauce: subpixel rendering is kinda hard with 1bpp
2013-05-29T11:36:50 < GargantuaSauce> nonsense
2013-05-29T11:37:21 < GargantuaSauce> use a union
2013-05-29T11:37:33 < rigid> GargantuaSauce: you can do subpixel rendering on black/white screens? wow
2013-05-29T11:38:10 < zyp> obviously not
2013-05-29T11:38:24 < zyp> bw displays doesn't have subpixels.
2013-05-29T11:38:41 < rigid> of course not... even unions wouldn't help :-P
2013-05-29T11:38:51 < GargantuaSauce> you guys are no fun sometimes
2013-05-29T11:38:53 < rigid> 1bpp -> b/w
2013-05-29T11:42:41 < rigid> i think i just use a bmp decoder... don't wanna overengineer it
2013-05-29T11:45:20 < bairdy> ha, I was just thinking of a simple font format for drawlines-style font this afternoon. Could probably do ReTr0-VeTreX fonts in 6-8 bytes per letter..
2013-05-29T11:46:16 < rigid> vetrex? or vectrex?
2013-05-29T11:46:31 < bairdy> yeah, well, the latter.
2013-05-29T11:46:55 < rigid> that'd be cool... but kinda minimalistic
2013-05-29T11:47:21 < rigid> i'd like the opposite... easy import of common font formats while not using too much code/data
2013-05-29T11:48:06 < rigid> hm... maybe using gzipped PCF could do the trick quickly
2013-05-29T11:48:17 < dongs> dont you have to decompress all with gzip...
2013-05-29T11:48:31 < rigid> yeah... it would need quite some memory
2013-05-29T11:48:57 < rigid> and gzipping single characters would be nonsense
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2013-05-29T11:53:50 < dongs> http://elm-chan.org/docs/dosv/fontx_e.html
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2013-05-29T11:54:04 < dongs> http://elm-chan.org/fsw_e.html#fontxedit
2013-05-29T11:54:07 < dongs> just use this shit
2013-05-29T11:54:12 < dongs> he has a nice bitmapped editor too
2013-05-29T11:54:17 < dongs> for making custom stuff quickly
2013-05-29T11:54:19 < dongs> problem solved
2013-05-29T11:57:29 < rigid> how's that different from PCF?
2013-05-29T12:00:40 < t1memob> Not Lunix?
2013-05-29T12:01:54 < rigid> yeah... looks slightly less common
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2013-05-29T12:04:22 < jpa-> rigid: eventually
2013-05-29T12:04:33 < talsit> the stm-supplied code, like the stm32f4xx_flash.c/.h, does anyone know what license they have?
2013-05-29T12:06:25 < jpa-> talsit: they have their own fun license which allows basically everything but only on their own devices
2013-05-29T12:06:41 < jpa-> so gpl-incompatible but otherwise fine
2013-05-29T12:07:48 < talsit> which, for flashing code, that should be fine ;)
2013-05-29T12:09:41 < jpa-> rigid: for now, you can check http://kapsi.fi/~jpa/stuff/other/fontcompression.tar.gz   i'll publish something proper later
2013-05-29T12:10:10 < jpa-> rigid: decompression should be very fast and can be done pixel-by-pixel
2013-05-29T12:10:58 < rigid> jpa-: cool... thanks!
2013-05-29T12:11:05 < jpa-> rigid: so far i bzip2 seems to compress only about 30% better than my algorithm
2013-05-29T12:12:02 < jpa-> rigid: basic usage is:   ./compress import myfunnyfont.bdf;  ./compress optimize myfunnyfont.dat;   ./compress export myfunnyfont.dat myfunnyfont   
2013-05-29T12:12:42 < rigid> i'll work it out
2013-05-29T12:12:57 < jpa-> there are plenty of tools for ttf->bdf and pcf->bdf conversions, but i guess i'll implement ttf import later so that i can support antialiasing
2013-05-29T12:14:14 < jpa-> rigid: though as your display is very small, it may be that compression doesn't help that much.. it works best on larger fonts, 14 to 100 pixels high or so
2013-05-29T12:14:37 < rigid> hm yeah...
2013-05-29T12:14:45 < rigid> i'm currently playing with fontforge
2013-05-29T12:15:18 < jpa-> for very small fonts, don't bother with any truetype fonts - take the good old X11 bitmap fonts that have been drawn by hand at some pixel resolution
2013-05-29T12:15:32 < rigid> yeah
2013-05-29T12:16:40 < rigid> jpa-: the decoder isn't working, yet?
2013-05-29T12:16:49 < rigid> render_character() is empty
2013-05-29T12:17:01 < trepidaciousMBR> Anyone know the reason there are two linker files for ChibiOS on STM32F407; STM32F407xG.ld and STM32F407xG_CCM.ld? I guess it is something to do with the core coupled memory, but I don't know what...
2013-05-29T12:17:52 < jpa-> rigid: the C decoder is not yet implemented, yeah; there is a c++ decoder inside encode.cc
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2013-05-29T12:18:21 < rigid> ah
2013-05-29T12:19:46 < jpa-> trepidaciousMBR: CCM cannot be used for DMA transfers, so it's a bit annoying sometimes; the linker scripts differ on whether they use CCM at all or not
2013-05-29T12:20:00 < jpa-> trepidaciousMBR: a quite common way is to place thread stacks in CCM and everything else in normal RAM
2013-05-29T12:20:25 < trepidaciousMBR> Right, the CCM one seems to put ".stacks" in ccm, is that all thread stacks?
2013-05-29T12:20:27 < talsit> jpa-: do you know if chibios does that?
2013-05-29T12:20:55 < rigid> jpa-: fyi, there's "git archive" ... like "git archive --format tar.gz master --output fontcompression.tar.gz"
2013-05-29T12:20:56 < jpa-> trepidaciousMBR: it's all statically allocated thread stacks
2013-05-29T12:21:25 < jpa-> rigid: i know, but i wanted to give you the few .bdf's there to play with
2013-05-29T12:21:34 < rigid> ah ok
2013-05-29T12:21:52 < trepidaciousMBR> I'm pretty sure anything I use for DMA is either in the HAL or statically allocated off the stack, so I guess I could give that a go...
2013-05-29T12:22:15 < jpa-> talsit: it can be configured by choosing between the linker scripts
2013-05-29T12:23:16 < talsit> that's handy!
2013-05-29T12:23:17 < trepidaciousMBR> Presumably it is pretty obvious if you try to DMA to/from CCM, it just fails?
2013-05-29T12:23:31 < jpa-> trepidaciousMBR: if you check for DMA errors, sure
2013-05-29T12:24:12 < trepidaciousMBR> It should be pretty obvious in my case from the fact that the DMA just doesn't happen (plus I also check for errors, I assume the HAL does too?)
2013-05-29T12:24:43 < jpa-> trepidaciousMBR: one very nasty situation is if you use fatfs, and have configured it to directly write through large buffers (like if you write 512 bytes in one go).. then that buffer is directly used for DMA, so something like   char data[512]; f_write(foo, data, sizeof(data));   will fail
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2013-05-29T12:25:22 < trepidaciousMBR> Ah right, but presumably only if you are using FatFS with a device that uses DMA, I guess SDIO?
2013-05-29T12:25:31 < talsit> jpa-: how do yo uget around that?
2013-05-29T12:25:41 < dongs> write your own allocators, dudes.
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2013-05-29T12:25:53 < dongs> and know from where you use stuff
2013-05-29T12:25:54 < dongs> problem solved.
2013-05-29T12:25:58 < jpa-> talsit: by for example char *data = malloc(512);  or   static char data[512];   or various other ways of allocating it outside the stack
2013-05-29T12:26:02 < dongs> or you can force task stacks into ccm with attributes
2013-05-29T12:26:15 < dongs> and keep the rest in regular heap
2013-05-29T12:26:21 < jpa-> trepidaciousMBR: well SPI uses DMA also, but yeah
2013-05-29T12:26:32 < talsit> cool, thanks for all the info!!
2013-05-29T12:26:43 < trepidaciousMBR> jpa-: Thanks, Ill watch out for that
2013-05-29T12:27:52 < trepidaciousMBR> I've got an interesting problem at the moment, I've got an odd extra thread that I can't track down - name is null, I don't think I'm starting it, are all the threads made by ChibiOS itself named?
2013-05-29T12:28:00 < jpa-> trepidaciousMBR: another point where i have been bitten by CCM stacks if you have SPI/USART/I2C DMA enabled, and do stuff like   uint8_t my_command[4] = {0x12, 0x34, 0x56};     should be pretty obvious of course, but if you are switching now you may not have thought about it while writing that
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2013-05-29T12:28:53 < jpa-> trepidaciousMBR: check   tp->p_ctx.r13  and you can see what it is running
2013-05-29T12:29:09 < jpa-> hmm or was it r13? PC anyway
2013-05-29T12:29:16 < trepidaciousMBR> jpa-: Yup, I'll have to double check for stuff like that - I think I may be ok since I've just copied existing examples that generally set everything up in one shared "txbuf" and "rxbuf" array, but I'll watch out for it
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2013-05-29T12:30:45 < trepidaciousMBR> jpa-: That's a pointer to the stack?
2013-05-29T12:32:07 < jpa-> ah yeah
2013-05-29T12:32:15 < jpa-> i mean r15, program counter
2013-05-29T12:43:46 < karlp> R0b0t1: what's your reasoning behind "can over rs485 if at all possible" ? (just curious, not complaining)
2013-05-29T12:44:24 < trepidaciousMBR> The weird thing is that r13 for that thread is not in the .map file...
2013-05-29T12:45:04 < jpa-> zombie process :)
2013-05-29T12:46:55 < R0b0t1> karlp: Higher throughput and distance.
2013-05-29T12:47:05 < R0b0t1> karlp: You have to deal with packetized data, though.
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2013-05-29T12:50:16 < R0b0t1> karlp: Oh and you don't need a common ground.
2013-05-29T12:54:23 < trepidaciousMBR> jpa-: It's started by lwipthread, but I can't see where yet...
2013-05-29T13:02:01 < zyp> R0b0t1, not sure that's true, electrical wise they are pretty similar
2013-05-29T13:02:41 < zyp> if you wanted to you could run can with rs485 transceivers or rs485 over can transceivers, logically they do the same
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2013-05-29T13:03:20 < PaulFertser> We have to work with some watt-meters that use some plain serial protocol with can transceivers and they call it CAN, oh my.
2013-05-29T13:03:46 < zyp> heh
2013-05-29T13:04:05 < Laurenceb> http://astroengine.com/2012/01/29/put-the-weather-balloon-back-in-the-box/
2013-05-29T13:04:56 < PaulFertser> Though talking about the real CAN and industry-standards protocols i can say CANOpen is a PITA, too damn complicated. CanFestival works nicely for us though.
2013-05-29T13:07:23 < R0b0t1> zyp: CAN is packetized and differential, rs485 is slightly different... has similar noise immunity in short runs, but needs a common ground.
2013-05-29T13:07:51 < R0b0t1> A lot of applications don't notice the common ground requirement because they're battery or line voltage.
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2013-05-29T13:09:39 < R0b0t1> PaulFertser: Never used those, what are they? Generally CAN controllers (if perhipheral on a micro) have a protocol stack with them
2013-05-29T13:10:27 < zyp> R0b0t1, again, nobody stops you from using a rs485 transceiver for can or a can transceiver for rs485
2013-05-29T13:10:56 < R0b0t1> The protocols are that similar?
2013-05-29T13:11:09 < R0b0t1> I was pretty sure hardware wasn't compatible.
2013-05-29T13:12:16 < zyp> or rather, what I mean is that nobody stops you from running rs485 signalling over a can electrical layer, or can signalling over a rs485 electrical layer
2013-05-29T13:12:46 < PaulFertser> R0b0t1: CANOpen is a high-level protocol for CAN bus, another example is DeviceNet. CANOpen is widely used by various "professional" devices.
2013-05-29T13:12:59 < R0b0t1> Meep.
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2013-05-29T13:19:15 < dongs> professional bloggers
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2013-05-29T13:34:52 < karlp> R0b0t1: higher throughput and distance with can rather than rs485? what?
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2013-05-29T13:36:42 < R0b0t1> karlp: Yeah. Not by a whole lot, but you might notice depending on application.
2013-05-29T13:36:52 < R0b0t1> I don't know if it took into account protocol overhead or not
2013-05-29T13:37:26 < karlp> what distance and rate are you claming that can can do?
2013-05-29T13:43:07 < R0b0t1> Hm
2013-05-29T13:43:09 < R0b0t1> I might've been wrong
2013-05-29T13:43:12 < R0b0t1> I wonder what I read then
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2013-05-29T13:49:18 < jpa-> wow, my F4 device passed EMC tests \o/
2013-05-29T13:49:24  * karlp cheers
2013-05-29T13:50:25 < jpa-> it did not, however, pass ESD tests.. when a shock is given to one corner screw of the case, the display turns off :D
2013-05-29T13:50:30 < jpa-> no permanent damage though
2013-05-29T13:54:43 < jpa-> hmm.. all the emission peaks are at totally unrelated frequencies.. 168MHz HCLK does not even show up
2013-05-29T13:56:14 < jpa-> ok, well, 3th and 5th harmonic of 168/4 FSMC freq is visible.. that atleast makes sense
2013-05-29T14:01:17 < Laurenceb> interesting
2013-05-29T14:01:32 < Laurenceb> on my F1 boards i see largest peak at 72mhz*3
2013-05-29T14:03:08 < dongs> Laurenceb: lol, my shit was giving out harmonics at 72&6
2013-05-29T14:03:12 < dongs> er 72*6
2013-05-29T14:03:26 < dongs> which happens to be rcfaggots freq
2013-05-29T14:03:51 < Laurenceb> yeah i see that too
2013-05-29T14:03:54 < Laurenceb> 1 sec
2013-05-29T14:05:27 < Laurenceb> http://i.imgur.com/Ff71bRO.png
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2013-05-29T14:16:06 < dongs> best use http://i.imgur.com/zWjfWxa.jpg
2013-05-29T14:16:48 <+Steffanx> Does it really go faster/better with sticks?
2013-05-29T14:16:58 < dongs> ya.
2013-05-29T14:17:04 < dongs> k bathtime bbl
2013-05-29T14:17:11 <+Steffanx> intel i3 inside :)
2013-05-29T14:19:14 < bairdy> do want .. sucks that I've started on suitcase-living mode.
2013-05-29T14:23:05 <+Steffanx> You couldn't live with your house mate anymore?
2013-05-29T14:23:20 <+Steffanx> What about the d&d evenings?!
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2013-05-29T14:25:07 < Laurenceb> or the buttsecs
2013-05-29T14:25:39 <+Steffanx> Is your thesis finished yet Laurenceb?
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2013-05-29T14:26:43 < Laurenceb> no
2013-05-29T14:26:52 < Laurenceb> too much trolling
2013-05-29T14:26:58 < Laurenceb> must resist urge to troll
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2013-05-29T15:15:42 < Laurenceb> https://github.com/texane/stlink/blob/master/src/st-term.c
2013-05-29T15:15:46 < Laurenceb> wtf is stlinky?
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2013-05-29T15:26:38 < Laurenceb> http://ncrmnt.org/wp/2013/05/06/stlink-as-a-serial-terminal/#more-1450
2013-05-29T15:26:39 < Laurenceb> hmm
2013-05-29T15:27:05 < zyp> Laurenceb, old, still dumb
2013-05-29T15:28:24 < Laurenceb> heh
2013-05-29T15:28:35 < Laurenceb> yeah, SWO ftw
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2013-05-29T15:30:32 < zyp> well, it's more similar to semihosting
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2013-05-29T15:32:30  * Steffanx waits for dongs to say: stinky terminal  ( as that the code on that website says stlinky ) :P
2013-05-29T15:32:56 < dongs> nah thats not funny enough + dont care
2013-05-29T15:33:01 < dongs> im busy trolling
2013-05-29T15:33:16 < zyp> 13:16:48 <+Steffanx> Does it really go faster/better with sticks?
2013-05-29T15:33:22 < zyp> it's kinda like eating with tweezers
2013-05-29T15:33:42 < dongs> the precision is way better too
2013-05-29T15:33:48 < dongs> fishing for shit with fork/spooon = fucking fail
2013-05-29T15:33:51 <+Steffanx> That's not important when you eat 'hutspot' :P
2013-05-29T15:34:11 < talsit> dongs: i usually eat food, not shit
2013-05-29T15:34:24 < dongs> thats the difference between you and me
2013-05-29T15:34:33 <+Steffanx> and both are from jappyland
2013-05-29T15:34:45 < talsit> that's not the only difference, i hope
2013-05-29T15:35:26 < Laurenceb> jappyland
2013-05-29T15:35:32 < Posterdati> hi
2013-05-29T15:35:36 < Laurenceb> home of tentacles
2013-05-29T15:35:43 <+Steffanx> Lo
2013-05-29T15:35:43 < Laurenceb> and fuckular 2000
2013-05-29T15:35:54 < Laurenceb> and bukkake
2013-05-29T15:35:57 <+Steffanx> and the lack of Laurenceb
2013-05-29T15:36:36 < Laurenceb> video.xnxx.com/video956627/‎  <- very NSFW
2013-05-29T15:36:39 < zyp> the lack of Laurenceb is one of the things I tend to enjoy when I visit japan
2013-05-29T15:38:05 <+Steffanx> Perhaps he is a very nice guy in real life zyp
2013-05-29T15:38:12 < dongs> haha
2013-05-29T15:38:17 < dongs> you still miss him so you get onirc
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2013-05-29T15:38:36 < dongs> no im pretty sure hes as much of a dong
2013-05-29T15:38:39 <+Steffanx> We should have a ##stm32 meeting :P
2013-05-29T15:38:51 < Laurenceb> dongs: are you involved in japanese motorsport?
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2013-05-29T15:39:22 < talsit> who else apart from dongs is in japan?
2013-05-29T15:39:53 < zyp> I'm not, but I like vacationing there
2013-05-29T15:39:55 < dongs> Laurenceb: doees it look like i have time for that
2013-05-29T15:40:00 < dongs> in between trolling and getting paid
2013-05-29T15:40:21 <+Steffanx> Yes dongs, you do
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2013-05-29T15:40:38 <+Steffanx> When you have time for a bath you have time for motor sport
2013-05-29T15:41:03 < Laurenceb> of the jappy variety
2013-05-29T15:41:14 < dongs> when i have pulldown and 100R to gate is that for fet or npn
2013-05-29T15:41:18 < dongs> i forgot waht shit i was gonna use for this thing
2013-05-29T15:41:51 < zyp> pulldown sounds like fet
2013-05-29T15:42:05 < dongs> whatever, nfet it is
2013-05-29T15:42:28 < zyp> fet gate is floating/undefined when unconnected, bjt base is not
2013-05-29T15:45:02 < dongs> thats probly what it is then
2013-05-29T15:48:52 < dongs> time to open my chinatray of F303 and see if i got trolled lol
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2013-05-29T16:05:54 < talsit> for release builds of my .bin, does it matter whether i build with -ggdb ?
2013-05-29T16:06:10 < talsit> it'll get stripped out of the flashed data anyway
2013-05-29T16:06:12 < talsit> right?
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2013-05-29T16:07:14 < jpa-> talsit: right
2013-05-29T16:07:38 < jpa-> i always build with -ggdb and store the .elfs, just in case i need to debug a crash dump later
2013-05-29T16:07:55 < talsit> that's actually quite handy
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2013-05-29T16:24:26 < zyp> at least when you have a crash dump mechanism
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2013-05-29T17:55:27 < karlp> jpa-: fixed that bug I was having on V silicon.  W turned out to be very forgiving of breaking the rules: https://github.com/karlp/libopencm3/commit/8eb514888abfde70491749a6911d40a4eb31f29d
2013-05-29T17:55:55 < gxti> use -ggdb3 and you get even more stuffs
2013-05-29T17:56:13 < karlp> -ggdb3 or -g3 should be standard,
2013-05-29T17:56:17 < karlp> it give syou the macros
2013-05-29T17:56:19 < gxti> but yeah build .elf, convert to .bin if you need it, and store both
2013-05-29T17:56:21 < karlp> totally awesome.
2013-05-29T17:56:47 < talsit> i'm trying -ggdb3 now, it's VERY slow!
2013-05-29T17:57:35 < talsit> 45s vs 7s
2013-05-29T17:57:40 < talsit> same code
2013-05-29T17:58:12 < karlp> what?
2013-05-29T17:58:19 < talsit> compiling
2013-05-29T17:58:28 < karlp> how much code od you ahve?!
2013-05-29T17:58:48 < talsit> compiling times went from 7s to 45s when i went from -ggdb to -ggdb3
2013-05-29T17:58:56 < talsit> i have chibiOS
2013-05-29T17:59:17 < talsit> .text is 62564
2013-05-29T17:59:27 < karlp> .text shouldn't change at all.
2013-05-29T17:59:48 < talsit> you asked how much code i have, i was trying to give you an indication
2013-05-29T18:00:21 -!- ntfreak_ [~ntfreak@unaffiliated/ntfreak] has quit [Remote host closed the connection]
2013-05-29T18:00:32 < talsit> and yes, .text is the same
2013-05-29T18:00:55 < karlp> right, but switching from gdb to gdb3 will change based on how many million repetitive #defines you have,
2013-05-29T18:00:58  * karlp shrugs
2013-05-29T18:01:06 < karlp> fine, don't use gdb3 :)
2013-05-29T18:01:28 < talsit> no, i will use it, i was just surprised how much slower it is
2013-05-29T18:01:33 < talsit> fine, i won't be surprised!
2013-05-29T18:01:41 < karlp> no, I'm surprised too,
2013-05-29T18:01:43 < gxti> i get 7.6s vs 14s
2013-05-29T18:01:46 < gxti> nothing so drastic
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2013-05-29T18:01:57 < gxti> and that's without -j
2013-05-29T18:02:06 < talsit> this is not one run, this is lots of runs
2013-05-29T18:02:19 < talsit> mine is -j8
2013-05-29T18:02:36 < gxti> 4.6s with -O0 and no-g
2013-05-29T18:03:02 < gxti> but you asked about release builds, so what does it matter?
2013-05-29T18:03:12 < gxti> it could take 3 hours but if it saves your ass later it's worth it
2013-05-29T18:03:27 < talsit> i did?
2013-05-29T18:03:30 < gxti> somebody did
2013-05-29T18:03:38 < gxti> yes, you did
2013-05-29T18:03:46 < karlp> 7.2sec vs 7.8 sec. for me.
2013-05-29T18:03:47 < talsit> i don't mind waiting a minute for my build
2013-05-29T18:03:56 < zyp> woah
2013-05-29T18:04:58 < zyp> sounds like a pretty horrible slowdown
2013-05-29T18:05:26 < gxti> mine is chibios as well, and i'm using TNT to compile
2013-05-29T18:05:26 < gxti> fwiw
2013-05-29T18:05:32 < jpa-> karlp: ah, nice
2013-05-29T18:06:15 < karlp> yeah, rather surprised how it ever worked actually, but it's behaviour now that I see it is totally understandable.
2013-05-29T18:06:35 < karlp> everything fits in place properly, and as soon as we do the right damn thing, everything just starts working the right damn way again :)
2013-05-29T18:06:50 < gxti> and 59K of text
2013-05-29T18:06:52 < zyp> -ggdb vs -ggdb3 is 1.48 vs 1.56s for one of my projects
2013-05-29T18:07:08 < gxti> 1MB of ELF :p
2013-05-29T18:08:32 < zyp> talsit, how much memory does your computer have?
2013-05-29T18:08:38 < talsit> 32gb
2013-05-29T18:09:00 < zyp> right, then it's not memory starved :p
2013-05-29T18:09:11 < talsit> i would hope not
2013-05-29T18:09:21 < talsit> the CPU's go up to 100%, all of them
2013-05-29T18:09:47 < zyp> oh, I forgot, I'm only building with -j1
2013-05-29T18:10:44 < zyp> 0.98s vs 0.99s then
2013-05-29T18:10:45 < zyp> :p
2013-05-29T18:11:11 < zyp> -ggdb or -ggdb3 doesn't really make a difference at all
2013-05-29T18:12:08 < zyp> I assume that's because I don't have macros at all
2013-05-29T18:12:29 < zyp> except for some #ifdefs
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2013-05-29T18:20:52 < talsit> anyway, bed time, night guys!
2013-05-29T18:20:56 < talsit> thanks for all the fish
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2013-05-29T18:21:20 < karlp> jpa-: actually one bit missing, lost it while cleaning up test code,
2013-05-29T18:21:40 < karlp> need to enable RCC for APB1_PWR before doing any voltage scaling.
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2013-05-29T18:58:11 < trepidaciousMBR> It should be possible to DMA from flash to the DAC to play audio?
2013-05-29T18:58:18 < trepidaciousMBR> on an STM32F4
2013-05-29T19:00:06 < zyp> sure
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2013-05-29T19:15:32 < dongs> trepidaciousMBR: uh yea of course
2013-05-29T19:15:42 < dongs> there's even a. wavplayer sample shitz
2013-05-29T19:15:45 < dongs> in f4disco samples
2013-05-29T19:15:54 < dongs> im pretty sure it plays from flash
2013-05-29T19:16:00 < trepidaciousMBR> Ah sorry
2013-05-29T19:16:10 < trepidaciousMBR> Well that's good though :)
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2013-05-29T19:41:48 < jpa-> dongs: though for F4 disco, i bet it uses the external audio DAC
2013-05-29T19:42:23 < dongs> probably. but its same shit tho
2013-05-29T19:42:29 < dongs> it dmas stuff over spi
2013-05-29T19:42:35 < dongs> or i2s or whatever
2013-05-29T19:44:47 < jpa-> yeah
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2013-05-29T19:53:27 < trepidaciousMBR> What's the best way to get a static variable or ChibiOS working area into CCM? Is the only way to edit the .ld file?
2013-05-29T19:54:25 < jpa-> it's the best way
2013-05-29T19:54:35 < jpa-> you can define a custom section that goes into ccm
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2013-05-29T19:55:19 < trepidaciousMBR> Great, I'll give that a go
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2013-05-29T20:17:04 < BJfreeman> has anyone worked with http://feaser.com/openblt/doku.php?id=manual:design
2013-05-29T20:19:51 < zyp> sounds overcomplicated and bloated
2013-05-29T20:21:24 < jpa-> mostly yeah - but if you really need such a complicated bootloader, then it may be good
2013-05-29T20:21:51 < jpa-> it even has a builtin backdoor module :)
2013-05-29T20:22:50 < BJfreeman> my interested is the Can Boot
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2013-05-29T20:25:09 < BJfreeman> Ideally I could update flash with some mods
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2013-05-29T21:41:00 < emeb> big fun - just built up a new prototype F4 board with a buck switching converter for the +3.3V supply (from a 12V main source).
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2013-05-29T21:50:58 < Laurenceb__> http://www.anerdev.net/project/assm/
2013-05-29T21:51:07 < Laurenceb__> this looks ripe for trolling
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2013-05-29T22:03:43 <+Steffanx> Laurenceb__ i can be an ass as well
2013-05-29T22:03:48 <+Steffanx> muha
2013-05-29T22:06:15 < upgrdman> how the fsck do i have bus contention when theres nothing else on the "bus" :( http://farrellf.com/temp/lcd_bus_contention.png   maybe the lcd is trying to write while im trying to write
2013-05-29T22:06:47 < zyp> upgrdman, what's that?
2013-05-29T22:07:02 < upgrdman> what? the lcd?
2013-05-29T22:07:07 < zyp> the signal
2013-05-29T22:07:11 < zyp> what kind of signal is it?
2013-05-29T22:07:13 < upgrdman> d7
2013-05-29T22:07:17 < upgrdman> data line
2013-05-29T22:07:24 < jpa-> what is the LCD, then?
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2013-05-29T22:07:25 < zyp> looks like you have two push-pull drivers writing against each other
2013-05-29T22:07:32 < zyp> ah, so it's a parallel lcd?
2013-05-29T22:07:41 < upgrdman> uc1608fb
2013-05-29T22:07:42 < zyp> sounds like you have the read/write signal inverted
2013-05-29T22:07:50 < upgrdman> yes, parallel lcd, monochrome
2013-05-29T22:08:18 < upgrdman> hmm. i did recently port the code to a new uc. maybe i fucked that up.
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2013-05-29T23:54:38 < upgrdman> zyp: im an idiot. the lcd has a write line and a read line. i left the read line floating :o)
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2013-05-30T02:07:47 < dongs> sup trolls
2013-05-30T02:09:10 < dongs> lol @ a.s.s.m.
2013-05-30T02:09:54 < emeb> a s s m?
2013-05-30T02:11:19 < dongs>  < Laurenceb__> http://www.anerdev.net/project/assm/ < Laurenceb__> this looks ripe for trolling
2013-05-30T02:11:42 < emeb> don't laugh - they have a patch!
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2013-05-30T02:19:02 <+Steffanx> oh, i didnt see about the special thanks to BrainDamage :)
2013-05-30T02:19:34 < BrainDamage> loooooooollll
2013-05-30T02:19:48 < BrainDamage> that guy is super-duper clueless
2013-05-30T02:20:04 < BrainDamage> he joined highaltitude few times
2013-05-30T02:20:07 < dongs> haha
2013-05-30T02:20:10 < BrainDamage> with really retarded questions
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2013-05-30T02:21:15 < BrainDamage> too bad he's 1200km from here
2013-05-30T02:21:23 < BrainDamage> I could've trolled him in person
2013-05-30T02:21:28 < BrainDamage> I bet he's a 15yo kid
2013-05-30T02:21:55 < dongs> his first mistake is using tarduino
2013-05-30T02:22:23 <+Steffanx> 15yo arent into jazz and blues BrainDamage
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2013-05-30T04:09:29 < dongs> IF frequency is different from IF bandwidth, right?
2013-05-30T04:10:09 < dongs> but im wondering how one can send 8mhz wide shit over 5MHz LowIF
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2013-05-30T04:11:03 < dongs> hm maybe im confusing that shit wiht zeroif
2013-05-30T04:13:45 < qyx_> 5mhz is unmodulated carrier, 1MHz-9MHz is 8MHz bandwidth
2013-05-30T04:14:04 < dongs> so its +-4mhz around 5?
2013-05-30T04:14:28 < qyx_> should be
2013-05-30T04:14:34 < gxti> everything seems to be in order: http://partiallystapled.com/~gxti/circuits/2013/05/29-wtfsmps.png
2013-05-30T04:15:01 < gxti> a few more hours logged in ltspice and i'll be a real EE
2013-05-30T04:15:09 < dongs> cool spicing bro
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2013-05-30T04:21:00 < emeb> gxti: just built a prototype buck switcher for 12V -> 3.3V using a TI LMR14203.
2013-05-30T04:21:13 < gxti> yeah i have no idea what i'm doing
2013-05-30T04:21:25 < emeb> works great, but generates so much HF noise that it craps all over my audio signal. :(
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2013-05-30T04:21:49 < gxti> using sane part values i get sth like 100mv ripple which is ok but better would be great
2013-05-30T04:22:06 < gxti> adding a massive choke seems to make it angry :p
2013-05-30T04:22:24 < emeb> thing is, I don't think it's conducted ripple - I have a separate linear reg for the analog supply.
2013-05-30T04:22:34 < qyx_> try that l5973d
2013-05-30T04:22:44 < qyx_> i gon ripplle under 20mV
2013-05-30T04:22:45 < qyx_> got
2013-05-30T04:23:15 < qyx_> even using smaller standard electrolyte on output
2013-05-30T04:23:19 < gxti> actually that looks feasible
2013-05-30T04:23:33 < gxti> i'm mostly messing with this part because it's in ltspice
2013-05-30T04:23:39 < gxti> honestly i don't think the IC matters that much
2013-05-30T04:23:52 < gxti> err never mind, the one you linked is buck. i'm boosting.
2013-05-30T04:24:23 < qyx_> wut
2013-05-30T04:24:26 < qyx_> didnt notice that
2013-05-30T04:25:12 < gxti> 12v->24v, 0.6A steady state with 2A for up to a minute
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2013-05-30T04:44:51 < gxti> apparently a 1u choke is all i need :p
2013-05-30T04:45:10 < gxti> more like 8mv now which is great
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2013-05-30T05:13:21 < dongs> http://www.wa4dsy.net/rfmodem.html
2013-05-30T05:13:22 < dongs> hardcore
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2013-05-30T05:30:05 < talsit> does anyone have any recommendations for a structured hex viewer?
2013-05-30T05:37:05 < dongs> notepad.exe
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2013-05-30T05:52:38 < talsit> anyone with an actual recommendation instead of the usual dongs noise?
2013-05-30T05:59:43 < bairdy> Always use GNU/Emacs hexl-mode here, but that's 95% not going to be interesting to you, so I didn't mention it.
2013-05-30T06:02:56 < talsit> bairdy: fair enough :)
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2013-05-30T07:06:46 < dongs> whenever i need to RE a sturcture in hex i just use my favorite hex editor and notepad.
2013-05-30T07:07:11 < dongs> cause its easy enough to just do shit like { foo { bla bla } bla bla whatever in notepad nad indent stuff
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2013-05-30T07:53:36 < dongs> why no chat
2013-05-30T07:54:32 < GargantuaSauce> busy donging on dongs
2013-05-30T07:57:04 < upgrdman> anyone make a f0 breakout that is single sided? i often find myself almost shorting out my disco board on my metal laptop
2013-05-30T07:57:12 < GargantuaSauce> https://www.youtube.com/watch?v=fi4P-Bwc6g8 going to have to give this a shot this fall
2013-05-30T07:57:21 < upgrdman> tempted to make my own, since i doubt i'll find one ready made
2013-05-30T07:59:15 < bairdy> upgrdman: you need something kawaii~ like these: http://i.imgur.com/zz7IJ.jpg
2013-05-30T07:59:49 < GargantuaSauce> or just standoffs
2013-05-30T08:00:37 < upgrdman> ya, i've got lots of rubber bumpers. can also find standoffs. but that wont save my ass if the disco board is sitting at an angle
2013-05-30T08:00:38 < dongs> bairdy: ahahaha
2013-05-30T08:00:48 < upgrdman> i might just make one. laid this out: http://farrellf.com/temp/f0breakout.png
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2013-05-30T08:15:10 < talsit> upgrdman: use ridiculously long standoffs: https://www.dropbox.com/s/t66pejsqc448lfv/2013-05-25%2011.16.34.jpg
2013-05-30T08:15:26 < upgrdman> :)
2013-05-30T08:16:00 < upgrdman> i think i'll just make my own ss board. simple, small.
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2013-05-30T08:18:28 < GargantuaSauce> talsit: so you're recording camera orientation and associating it with recorded video after the fact?
2013-05-30T08:18:32 < GargantuaSauce> that's pretty cool
2013-05-30T08:18:36 < talsit> yep
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2013-05-30T08:19:01 < talsit> thanks
2013-05-30T08:19:13 < GargantuaSauce> is it being integrated into a file-based video workflow or just used for postprocessing stuff
2013-05-30T08:19:36 < talsit> mostly post stuff
2013-05-30T08:19:48 < talsit> but can be used for continuity too
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2013-05-30T08:23:17 < dongs> uh wow
2013-05-30T08:23:22 < dongs> these fucking chink 3225 12mhz xtals
2013-05-30T08:23:31 < dongs> some of them label is oriented towards pin1
2013-05-30T08:23:32 < dongs> some arent
2013-05-30T08:23:34 < dongs> and tehy're off same reel!
2013-05-30T08:24:06 < ds2> what does the label matter?
2013-05-30T08:24:16 < dongs> well, they're oriented same label in the tape
2013-05-30T08:24:23 < dongs> so i will have to do those with bottom vision which is fucking slow
2013-05-30T08:24:28 < dongs> instead of knowing they're always rotated in one direction
2013-05-30T08:25:01 < ds2> isn't hte 3225 package symmetrical?
2013-05-30T08:25:09 < dongs> yes and?
2013-05-30T08:25:30 < dongs> pin1 is marked on teh bottom
2013-05-30T08:25:36 < ds2> trying to figure out why you care about pin one then?
2013-05-30T08:25:42 < dongs> ???
2013-05-30T08:25:43 < talsit> how about electrically symmetrical?
2013-05-30T08:25:59 < dongs> if pin1 is top right, or bototm right, of course it matters
2013-05-30T08:26:02 < ds2> 3225 is the 4 pin one, right?
2013-05-30T08:26:04 < dongs> you either have xtal across 1-3
2013-05-30T08:26:06 < dongs> or across 2-4
2013-05-30T08:26:07 < dongs> yes
2013-05-30T08:26:33 < ds2> so if it is off by 180 deg, it is the same
2013-05-30T08:26:50 < ds2> since xtals are not polarized
2013-05-30T08:28:50 < dongs> um
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2013-05-30T09:31:57 < pelrun> hullo
2013-05-30T09:34:39 < pelrun> been wrestling with an avr32 of late
2013-05-30T09:34:44 < pelrun> need to return to sanity
2013-05-30T09:35:53 < dongs> indeed
2013-05-30T09:37:22 < dongs> http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0483f/CHDBGAAG.html
2013-05-30T09:37:26 < dongs> hm
2013-05-30T09:37:44 < dongs> maybe armcc has some gnu emulating aids
2013-05-30T09:39:10 < dongs> the linker script shit is gonna be a pita tho
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2013-05-30T13:46:33 <+Steffanx> Who in here planned to go to ohm2013?
2013-05-30T13:48:34 < dongs> is that eurotrash-only
2013-05-30T13:48:45 < dongs> > hackers and makers
2013-05-30T13:48:48 < dongs> page closed
2013-05-30T13:50:15 < Laurenceb> im going to the superconducting conference instead
2013-05-30T13:51:38 < dongs> is that waht they call demoparties now
2013-05-30T13:51:44 < dongs> MAKER\HACKER meetings
2013-05-30T13:52:14 < Laurenceb> VIRGIN/ASSBURGERZ
2013-05-30T13:52:21 < dongs> pretty much
2013-05-30T13:52:59 < Laurenceb> tho demoscene can be kind of cool
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2013-05-30T13:54:13 <+Steffanx> Go away dongs and Laurenceb was a serious question
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2013-05-30T13:55:01 < dongs> weat
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2013-05-30T13:55:55 <+Steffanx> weat = ?
2013-05-30T13:57:01 < Posterdati> hi
2013-05-30T13:58:26 < Posterdati> please help, I programmed an stm32f107 with the mouse in the circle demo, now I'd like to change hid peripherals to not interfere with pc mouse :) is there any hid demo around? I'm trying to build a custom hid interface to carry out sensors readings :) thanks for help
2013-05-30T13:58:59 < dongs> Posterdati: USB_FS lib has one or two hid demos?
2013-05-30T13:59:03 < dongs> they just blink leds
2013-05-30T13:59:14 < dongs> so it should work as not a mouse.
2013-05-30T14:00:22 < Posterdati> ok
2013-05-30T14:00:29 < Posterdati> is part of st usb devkit?
2013-05-30T14:00:42 < dongs> yeah
2013-05-30T14:00:48 < dongs> STM32_USB-FS-Device_Lib_V4.0.0\Projects
2013-05-30T14:00:52 < dongs> thre's  Custom_HID
2013-05-30T14:00:59 < dongs> and joystickmouse
2013-05-30T14:01:10 < dongs> is F107 the one wiht "good" USB controller?
2013-05-30T14:01:13 < Posterdati> I think it's a matter of usb_desc.c
2013-05-30T14:01:14 < dongs> or the lame one
2013-05-30T14:01:34 < dongs> there's a separate lib for 103/105 and another one for F10x??+F3/F4
2013-05-30T14:01:44 < dongs> wlel sure
2013-05-30T14:01:52 < dongs> but you wanted a working example i linked you one.
2013-05-30T14:01:53 < zyp> dongs, you're confused
2013-05-30T14:02:00 < dongs> ya?
2013-05-30T14:02:04 < Posterdati> I only know that driver for 107/105 are different from the rest of stm32
2013-05-30T14:02:11 < zyp> F103 is same as F3, F105/107 is same as F2/F4
2013-05-30T14:02:21 < dongs> right, thats what i meant.
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2013-05-30T14:02:25 < dongs> so he needs the other usb lib
2013-05-30T14:02:34 < dongs> USB_OTG device lib or someshit like that
2013-05-30T14:02:46 < zyp> yep
2013-05-30T14:03:08 < Posterdati> I'm using otg
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2013-05-30T14:38:04 < Laurenceb> lol no way
2013-05-30T14:38:43 < Laurenceb> every time i travel somewhere to give a presentation at a conference, the same people turn up
2013-05-30T14:38:59 < Laurenceb> this is getting boring
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2013-05-30T14:53:13 <+Steffanx> Yeah, everytime you give a presentation you show up.. Weeeird
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2013-05-30T14:58:33 < Posterdati> lol
2013-05-30T14:58:38 < Posterdati> which presentation?
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2013-05-30T15:00:40 < dongs> probably something about dongs
2013-05-30T15:00:51 <+Steffanx> or about your hobbys
2013-05-30T15:02:12 < dongs> http://i.imgur.com/d6uqw8c.jpg
2013-05-30T15:03:35 <+Steffanx> nsfw/u i guess?
2013-05-30T15:06:23 < zyp> heh
2013-05-30T15:06:24 < Laurenceb> http://www.geeky-gadgets.com/the-robot-wife-28-12-2009/
2013-05-30T15:09:14 < Laurenceb> http://i.telegraph.co.uk/multimedia/archive/02574/hitler-kettle_2574818b.jpg
2013-05-30T15:17:09 < MrM0bius> dongs, can that robot be sampled or you have to buy it?
2013-05-30T15:20:07 <+Steffanx> oooold Laurenceb
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2013-05-30T15:28:00 < bairdy> "Can I borrow your robot for a few minutes.."
2013-05-30T15:28:40 <+Steffanx> *dong
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2013-05-30T16:22:37 < dongs> https://youtube.com/watch?v=DzLHOjmgKz0#t=30s
2013-05-30T16:22:37 < dongs> lol
2013-05-30T16:30:38 < dongs> http://i.hv-l.net/I/X1369912632.jpg
2013-05-30T16:31:12 < gxti> unvented cap is legit
2013-05-30T16:34:10 < Laurenceb> https://www.youtube.com/watch?v=Es7_VtqpGVc&feature=player_detailpage#t=95s
2013-05-30T16:41:03 < dongs> https://youtube.com/watch?v=9qL-MD53qDs this is like laurenceb in #stm32
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2013-05-30T16:53:06 < Laurenceb> troll parrot
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2013-05-30T17:22:01 < dongs> hey
2013-05-30T17:22:08 < dongs> AN2606 updated
2013-05-30T17:22:11 < dongs> this month
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2013-05-30T17:24:49 < rlc> what's the general procedure to activate the RTC on the stm32?
2013-05-30T17:26:02 < dongs> um
2013-05-30T17:26:06 < dongs> turn on clcoks for it or something
2013-05-30T17:26:10 < dongs> the usual.
2013-05-30T17:27:02 < dongs> did you check rtc code in stdperiphlib?
2013-05-30T17:27:26 < rlc> 0k, I turned on the LSI clock, but could not turn on the RTCSEL bit to 0x2
2013-05-30T17:27:26 < karlp> there's working rtc code in libopencm3 too.
2013-05-30T17:27:26 < karlp> it's somewhat involved, lots of unlocking and waiting for sync.
2013-05-30T17:27:33 < karlp> what stm32 are you on? there's two different rtc peripherals
2013-05-30T17:27:36 < rlc> stm32f4
2013-05-30T17:28:03 < rlc> I'm trying to turn it on from the IDE by writing to the register itself
2013-05-30T17:28:21 < rlc> I mean in debugger mode
2013-05-30T17:29:34 < rlc> when I turned LSI bit to 1, LSIRDY bit is 1, so I guess this mean the low speed internal clock is working
2013-05-30T17:30:39 < rlc> then next, I'm not sure in which sequence I have to set those bits:LSEON, RTCEN, RTCSEL
2013-05-30T17:31:06 < rlc> tried most combination, bit none get set
2013-05-30T17:31:09 < rlc> but
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2013-05-30T18:40:45 < Laurenceb> interesting
2013-05-30T18:40:48 < Laurenceb> the UFQFPN28 F0 has no ground pad
2013-05-30T18:53:13 < emeb_mac> sure it does
2013-05-30T18:53:30 < emeb_mac> it's pad 0 - the one underneath the package
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2013-05-30T18:56:07 < emeb_mac> or not
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2013-05-30T18:57:01 < emeb_mac> I was looking at the 32 - the 28 has no pad 0, but VSS is on pad 16
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2013-05-30T20:29:42 < Laurenceb> https://bugs.launchpad.net/ubuntu/+bug/1
2013-05-30T20:29:43 < Laurenceb> wtf
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2013-05-30T20:35:48 <+Steffanx> i guess im not leet enough to see the wtf
2013-05-30T20:35:54 <+Steffanx> or i just dont care
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2013-05-30T20:44:10 < gxti> just a CEO wanking himself
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2013-05-30T20:50:45 <+Steffanx> what's new gxti?
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--- Day changed Fri May 31 2013
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2013-05-31T01:26:45 < Laurenceb__> attn dongs:  http://www.b3tards.com/u/dceb14b0c0ee9d13b69a/goatse-gnome.jpg
2013-05-31T01:31:49 < gxti> attn bloggers, write some blogs
2013-05-31T01:32:49  * Laurenceb__ is bored
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2013-05-31T02:14:59 < Laurenceb__> http://olimex.wordpress.com/2013/05/30/new-product-10-1-lcd-with-touchscreen-ready-to-connect-to-olinuxino-in-stock/
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2013-05-31T02:19:23 < GargantuaSauce> >2013
2013-05-31T02:19:27 < emeb> resistive touch. meh.
2013-05-31T02:19:27 < GargantuaSauce> >resistive touchscreen
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2013-05-31T02:31:17 < gxti> >greentext in 2013
2013-05-31T02:31:20 < gxti> >maggots
2013-05-31T02:34:24 < GargantuaSauce> whats wrong with my meme arrows
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2013-05-31T03:09:24 < dongs> hello chatspace
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2013-05-31T03:29:17 < bairdy> "What if there was a 9am Dongs, and no-one cared.."
2013-05-31T03:32:14 < upgrdman> "if dongs made a sound, and no one heard, did he really make a sound?"
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2013-05-31T04:32:50 < bairdy> Must fight aliens on my way back to Earth... http://www.youtube.com/watch?v=QgbgUrp1a70
2013-05-31T04:41:36 < dongs> found the problem why my T2 shit wasnt working. lets see if any analol'g pros here will catch it http://i.imgur.com/uwIvjla.png
2013-05-31T04:44:53 < BrainDamage> if that pin is really 1.2V
2013-05-31T04:44:58 < BrainDamage> you're saturating your bjt
2013-05-31T04:45:21 < BrainDamage> because Vc < Vb
2013-05-31T04:46:15 < dongs> how can this kinda shit slip by a guy who's supposed to be pro at this :(
2013-05-31T04:46:30 < BrainDamage> it's 3:45 am
2013-05-31T04:46:49 < dongs> no, i was referring to the troll here who drew this stuff.
2013-05-31T04:46:57 < dongs> that was the problem, it didnt switch as expected
2013-05-31T04:46:58 < dongs> because of 1.2v
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2013-05-31T07:51:18 < upgrdman> whats wrong with Vb > Vc? isnt Ib the only important part?
2013-05-31T07:51:35 < upgrdman> assuming voltages are within spec'd limits
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2013-05-31T08:09:06 < dongs> who killed chats
2013-05-31T08:23:32 < pelrun> had goodfet board but no parts to populate it, receive package from RS with parts, now can't find board. :P
2013-05-31T08:40:18 < emeb_mac> I killed the chats, but I did not shoot the deputy.
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2013-05-31T09:04:52 < bairdy> Now would be a good time to download a car from the Internet.. (another day of packing boxes for the move)
2013-05-31T09:05:50 < dongs> use your bike
2013-05-31T09:07:46 < bairdy> I'm on the Chats-- I'm on the Chats-- I'm on the Chats that killed River Phoenix! (ref: https://www.youtube.com/watch?v=1-mLIdLZZeI)
2013-05-31T09:14:54 < bairdy> (And they were on-the-money about Michael Jackson..)
2013-05-31T09:18:14 < Tectu_> morning
2013-05-31T09:18:19 < dongs> tectu the blogger
2013-05-31T09:18:41 < Tectu_> at your service
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2013-05-31T09:32:06 < Tectu_> that DRC... 0 errors
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2013-05-31T09:37:57 < dongs> tiem to buy pcbs from me
2013-05-31T09:39:10 < Tectu_> tiem?
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2013-05-31T11:50:41 < R2COM> dongs: remember you were bitchmoaning about sata3-usb3 converters
2013-05-31T11:50:44 < R2COM> here
2013-05-31T11:50:45 < R2COM> http://www.ti.com/lit/ds/symlink/tusb9261.pdf
2013-05-31T11:50:48 < R2COM> a chip
2013-05-31T11:51:49 <+Steffanx> Even a m3 inside
2013-05-31T11:51:51 <+Steffanx> :)
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2013-05-31T11:52:26 < R2COM> right, and looks like its a look-and-connect type of chip, shouldnt be challenging stuff involved
2013-05-31T11:52:32 < R2COM> just a project he would love to do
2013-05-31T11:52:56 < zyp> not sata3 though, only sata2
2013-05-31T11:53:06 < R2COM> hm
2013-05-31T11:53:26 < R2COM> yes
2013-05-31T11:54:45 < R2COM> anyhow
2013-05-31T11:54:46 < R2COM> http://i.imgur.com/5TmFsnr.png
2013-05-31T11:55:41 < R2COM> some toying around with freq. synthesis. this evening, will complete later
2013-05-31T11:56:30 <+Steffanx> Where is that designed it. I dont recognize it
2013-05-31T11:56:35 <+Steffanx> *in
2013-05-31T11:56:43 < R2COM> allegro
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2013-05-31T12:01:06 < R2COM> http://i.imgur.com/0KS7CHp.png
2013-05-31T12:01:15 < R2COM> 3d view gets mad on arc traces... xD
2013-05-31T12:01:27 <+Steffanx> Always nice, fancy tools :)
2013-05-31T12:01:41 < R2COM> with fancy bugs sometimes as well
2013-05-31T12:01:54 < zyp> that sata chip looks a bit fun, maybe I'll get one and port my usb stack to it, to play with superspeed
2013-05-31T12:02:30 < R2COM> great
2013-05-31T12:03:27 < zyp> not having a superspeed analyzer might make it a bit tricky though :)
2013-05-31T12:04:34 < R2COM> analyzer?
2013-05-31T12:04:38 < R2COM> you mean to fast save data?
2013-05-31T12:04:47 < R2COM> using that chip
2013-05-31T12:05:20 < zyp> I mean an usb analyzer
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2013-05-31T12:05:41 < R2COM> ah.. ok
2013-05-31T12:07:07 < Blok> Anyone with any experience from stm32W-series?
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2013-05-31T12:07:58 < zyp> R2COM, because trying to develop usb without one would not be much fun :p
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2013-05-31T12:08:22 < R2COM> I guess... I never really developed for USB before
2013-05-31T12:08:38 < R2COM> although I did many projects mainly for some data acq. and control with USB for PIC18/32
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2013-05-31T12:08:44 < R2COM> but I just used their library
2013-05-31T12:13:05 < zyp> hmm, they have a cheap demoboard for the chip, but jtag is not broken out
2013-05-31T12:15:05 < R2COM> chip costs 7$ or so if I'm correct
2013-05-31T12:16:25 < zyp> $49 for the demo board, appears to be no shipping
2013-05-31T12:17:20 < R2COM> 49 looks cheap actually
2013-05-31T12:17:50 < zyp> I said so
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2013-05-31T12:23:35 <+Steffanx> you scared him with that zyp
2013-05-31T12:24:04 < zyp> oh well
2013-05-31T12:24:23 <+Steffanx> dongs didn't you buy a cheap as 2.4GHz yagi?
2013-05-31T12:24:30 <+Steffanx> *cheap ass
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2013-05-31T12:24:38 < zyp> I bought two once
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2013-05-31T12:29:54 <+Steffanx> Yeah, i just wondered what the results were. As the results here are surprisingly good.
2013-05-31T12:30:52 < zyp> I tried hooking one to a shitty AP once, got a connection from a laptop over 300m away
2013-05-31T12:31:15 < zyp> haven't yet tested with decent radios and yagi in both ends
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2013-05-31T12:31:54 < zyp> oh, and the 300m is because that was the longest distance I had a clear line from where the AP sat :p
2013-05-31T12:32:56 <+Steffanx> Here it's also once sided + a cheap ass  wifi usb adapter
2013-05-31T12:33:05 < zyp> though, if I needed a long range connection now I'd probably rather buy a couple of nanobridges
2013-05-31T12:33:13 <+Steffanx> And the yagi is connected to the adapter, not the accesspoint
2013-05-31T12:33:32 < zyp> doesn't matter much
2013-05-31T12:33:50 < zyp> antenna gain affects both tx and rx
2013-05-31T12:34:23 <+Steffanx> nanobridges  $90+ vs 14$ yagi :)
2013-05-31T12:34:47 <+Steffanx> Im cheap remember :P
2013-05-31T12:35:07 < zyp> I bet the link quality reflects the price
2013-05-31T12:35:24 < zyp> and you still need radios for the yagi
2013-05-31T12:35:31 <+Steffanx> Probably, yes.
2013-05-31T12:35:44 < zyp> the nanobridge is MIMO after all
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2013-05-31T12:42:26 < dongs> Steffanx: yes
2013-05-31T12:42:30 < dongs> $19 or something off shitbay
2013-05-31T12:42:35 < dongs> best purchase i ever made
2013-05-31T12:43:00 <+Steffanx> Except for the crappy cable.. ?
2013-05-31T12:43:07 < dongs> well, that was shipping issue
2013-05-31T12:43:10 < dongs> or their storage issue
2013-05-31T12:43:15 < dongs> one was fine, one was rubbed off
2013-05-31T12:43:19 < dongs> like they fucking ran over with a truck or somethign
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2013-05-31T14:36:55 < Laurenceb> wtf
2013-05-31T14:37:06 < Laurenceb> haven't seen anyone at work for over 2 weeks
2013-05-31T14:37:18 < Laurenceb> this is getting silly
2013-05-31T14:38:59 <+Steffanx> You killed them all?
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2013-05-31T14:42:27 < Laurenceb> dunno
2013-05-31T14:42:35 < Laurenceb> i get paid so who cares right?
2013-05-31T14:44:29 < bairdy> Clothing-optional Office, rite?
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2013-05-31T14:51:20 < BrainDamage> more like working-optional office
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2013-05-31T14:56:16 < Laurenceb> i guess now manufacturing has been contracted out, theres no point doing any work
2013-05-31T14:56:43 < Laurenceb> just sell xscale based devices from 2003 for £5000 each
2013-05-31T14:59:17 < Laurenceb> maybe i should do something useful like make some of the spread spectrum ISM band beacons #highaltitude is obsessing about
2013-05-31T15:00:35 <+Steffanx> gogo Laurenceb
2013-05-31T15:01:00 < bairdy> "EPIRB on a chip"?
2013-05-31T15:01:55 < Laurenceb> well, 2 chips
2013-05-31T15:02:08 < Laurenceb> L1 and a micrel keyfob tx or something
2013-05-31T15:02:29 < Laurenceb> but we need a way to sync the receivers
2013-05-31T15:05:18 < Laurenceb> someone suggested grabbing the GPS using 434mhz dvbt dongles setup to receive it as a LO harmonic
2013-05-31T15:05:23 < Laurenceb> i cant see that working
2013-05-31T15:06:11 < dongs> DVB-BLOG
2013-05-31T15:07:42 < Laurenceb> https://www.olimex.com/Products/OLinuXino/A20/
2013-05-31T15:07:45 < Laurenceb> dat decoupling
2013-05-31T15:11:01 < Laurenceb> lolxuino
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2013-05-31T15:12:27 < Mobyfab> Laurenceb: ?
2013-05-31T15:12:48 < Laurenceb> olimex fail @ decoupling
2013-05-31T15:12:58 < Mobyfab> why ?
2013-05-31T15:14:20 -!- Viper168_ [~Viper@unaffiliated/viper168] has quit [Ping timeout: 252 seconds]
2013-05-31T15:15:49 < Laurenceb> https://www.olimex.com/Products/OLinuXino/A20/
2013-05-31T15:16:06 < Laurenceb> http://olimex.files.wordpress.com/2013/01/a10s-2.jpg
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2013-05-31T15:21:08 < BrainDamage> it's placed to be elegant / ordered / speed of assembly rather than optimal electrical characteristics
2013-05-31T15:21:28 < BrainDamage> since ti minimize stray inductance you want caps close to the chip they are supposed to bypass
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2013-05-31T15:26:13 < Laurenceb> http://www.farnell.com/datasheets/96892.pdf
2013-05-31T15:27:35 < Laurenceb> that + micro would make a very cheap beacon
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2013-05-31T15:29:41 < BrainDamage> sorry, but I feel like a total retard today, if I have a set of points, and I calculate all euclidean distances between points ( distance is reciprocal so I only count once a->b and b<-a ) and put in a vector, what's the vector size based off the number of points?
2013-05-31T15:30:19 < BrainDamage> I can easily see it grows faster than n, and less than n^2/2, but I'm not sure the actual exact amount
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2013-05-31T15:30:42 < Laurenceb> factorial?
2013-05-31T15:31:24 < Laurenceb> erm no
2013-05-31T15:31:28 < BrainDamage> nope, factorial is product
2013-05-31T15:31:32 < BrainDamage> I need sum
2013-05-31T15:31:32 < Laurenceb> n*(n-1)/2
2013-05-31T15:32:07 < Laurenceb> i think
2013-05-31T15:32:23 < BrainDamage> looks ok
2013-05-31T15:33:05 < BrainDamage> yep, plugging some values yields consistent results
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2013-05-31T15:33:16 < Laurenceb> https://gist.github.com/ibanezmatt13/5683781
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2013-05-31T15:34:21 < BrainDamage> thanks
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2013-05-31T15:59:46 < Laurenceb> "Paed/PAWS: a paediatric early warning system"
2013-05-31T15:59:56 < Laurenceb> this sounds so wrong
2013-05-31T16:01:06 < dongs> do you think DAC on F3 is fast enough to do video overlay line out
2013-05-31T16:01:16 < dongs> and, can I set dac output rate arbitrarily
2013-05-31T16:02:01 < Laurenceb> dunno
2013-05-31T16:02:04 < Laurenceb> http://us5.campaign-archive1.com/?u=7498613c9baa15d04cae43ba3&id=51ea023af8&e=5237f79545
2013-05-31T16:02:14 < dongs> fucking feenode
2013-05-31T16:02:16 < dongs> when i want to chat
2013-05-31T16:02:16 < dongs> fuck you
2013-05-31T16:02:28 < Laurenceb> lol
2013-05-31T16:02:32 < dongie> ok
2013-05-31T16:02:34 < dongie> anyway
2013-05-31T16:02:49 < dongie> right now my method is 2 spis, switching black/white signal levels using 3way video switcher
2013-05-31T16:03:07 < dongie> but, what if i use spi to only mark pixels (any color) and the  output is from dac
2013-05-31T16:03:13 < dongie> for actual brightness
2013-05-31T16:03:46 < Laurenceb> then the DAC doesnt need to be as fast
2013-05-31T16:03:53 < dongie> sure it does
2013-05-31T16:04:04  * Laurenceb wonders if one day wasted at ARM is worth it for a free mbed
2013-05-31T16:04:06 < dongie> if you have white|black|white
2013-05-31T16:04:07 < Laurenceb> probably not
2013-05-31T16:04:10 < Laurenceb> yeah
2013-05-31T16:04:31 < Laurenceb> but if you want to set some level and leave it there, toggling with the spi controlled switcher
2013-05-31T16:04:41 < dongie> tahts what im doing now
2013-05-31T16:04:45 < dongie> then i have to waste 2 spi
2013-05-31T16:04:48 < dongie> one for white one for black
2013-05-31T16:04:52 < dongie> and white would be set by dac
2013-05-31T16:04:52 < Laurenceb> oh i see
2013-05-31T16:04:56 < dongie> but that seems gay/wasteful
2013-05-31T16:05:06 < dongie> I want to use spi to ONLY switch pixels in
2013-05-31T16:05:09 < Laurenceb> try playing with dac and scoping it
2013-05-31T16:05:11 < dongie> i.e. wherever i have a overlay pixel
2013-05-31T16:05:23 < dongie> spi will be high/wahtever, toggling my video in
2013-05-31T16:05:31 < dongie> whihever color that pixel is
2013-05-31T16:05:57 < dongie> by color of course I mean brightness.
2013-05-31T16:14:51 < qyx_> do you really need 4096 gray levels?
2013-05-31T16:15:08 < qyx_> use simple resistor ladder to output 8/16 levels for example
2013-05-31T16:15:29 < dongie> no i only need white and black
2013-05-31T16:15:43 < dongie> i dont see how that solves anything though
2013-05-31T16:15:46 < dongie> ladder = more io wasted
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2013-05-31T16:16:06 < Laurenceb> test the DAC
2013-05-31T16:16:57 < qyx_> somewhere in the datasheet was 100kHz bandwidth for maximum voltage swing
2013-05-31T16:17:41 < Laurenceb> but is that for high accuracy?
2013-05-31T16:17:57 < Laurenceb> if you only want a few bits of brightness...
2013-05-31T16:18:38 < Laurenceb> i guess you are still limited by the slew rate
2013-05-31T16:19:23 < Laurenceb> you could use a timer pwm
2013-05-31T16:19:31 < qyx_> settling time for 10bit transition is 3us
2013-05-31T16:19:41 < Laurenceb> hmm
2013-05-31T16:19:58 < qyx_> maximum 1msps if just 1 LSB changes
2013-05-31T16:20:47 < Laurenceb> http://upload.wikimedia.org/wikipedia/commons/a/a8/PAL_2_lines.png
2013-05-31T16:21:05 < qyx_> if you only want 2/3 bits of brightness, rather consume 3 gpio with 3 resistors
2013-05-31T16:21:29 < Laurenceb> 1lsb is minuscule
2013-05-31T16:21:42 < Laurenceb> need to look at the signal on a scope
2013-05-31T16:21:47 < dongie> basically I want black (either pal black @ 0 or ntsc black @ 50mV or whatever trasH)
2013-05-31T16:21:56 < dongie> and white, 100IRE or wahtever the fuck i tihnk its 400mV or something similar
2013-05-31T16:22:09 < Laurenceb> id say you need 1mhz update
2013-05-31T16:22:11 < dongie> if I can do inbetwen its a bonus , but i am not counting on it
2013-05-31T16:22:20 < qyx_> then only 1 gpio is needed
2013-05-31T16:22:56 < zyp> this is for OSD?
2013-05-31T16:22:58 < Laurenceb> nope
2013-05-31T16:23:00 < dongie> zyp: yeah.
2013-05-31T16:23:04 < Laurenceb> you cant auto tristate a pin
2013-05-31T16:23:21 < Laurenceb> no way to let the video pass through with 1 gpio
2013-05-31T16:23:26 -!- inca [~inca@130.101.48.210] has joined ##stm32
2013-05-31T16:23:28 < qyx_> i mean one pin to switch black or white
2013-05-31T16:23:30 < dongie> im using a video switcher IC.
2013-05-31T16:23:37 < dongie> 3 inputs
2013-05-31T16:23:39 < qyx_> you can't do that with dac either
2013-05-31T16:23:45 < Laurenceb> hmm
2013-05-31T16:23:47 < Laurenceb> yeah
2013-05-31T16:23:51 -!- xpg [~pf@5.179.82.4] has quit [Ping timeout: 240 seconds]
2013-05-31T16:23:52 < dongie> so i have src, white, black -> out
2013-05-31T16:24:58 < dongie> acutally, if I do use that chip then im screwed anyway, as i will need to toggle between white/black inputs
2013-05-31T16:25:03 < dongie> and not just change levels on white
2013-05-31T16:25:29 -!- bairdy [~cjb@ppp121-44-154-182.lns20.syd7.internode.on.net] has quit [Quit: Konversation terminated!]
2013-05-31T16:25:52 < Laurenceb> hehe KDE
2013-05-31T16:26:04 < dongie> http://semicon.njr.co.jp/eng/PDF/NJM2244_E.pdf this is hte video switcher
2013-05-31T16:26:52 < zyp> «3-input»
2013-05-31T16:26:59 < zyp> run signal on one, white on one, black on one
2013-05-31T16:27:05 < dongie> i know.
2013-05-31T16:27:09 < dongie> that will need 2 SPIs
2013-05-31T16:27:17 < zyp> yep
2013-05-31T16:27:18 < dongie> and still need something to vary white levels.
2013-05-31T16:27:25 < dongie> thats the current plan.
2013-05-31T16:27:30 < dongie> but seems wasteful.
2013-05-31T16:27:51 < qyx_> lets do color!
2013-05-31T16:28:20 < qyx_> if people managed to do that on avr..
2013-05-31T16:28:45 < Laurenceb> you might manage with timers
2013-05-31T16:29:03 < zyp> dongie, how many black/white levels do you need? just pal/ntsc?
2013-05-31T16:29:18 < dongie> pal/ntsc black, white is same
2013-05-31T16:29:22 < dongie> i'd like to have white brightness
2013-05-31T16:29:28 < dongie> but not necessarily toggle it in-line
2013-05-31T16:29:37 < dongie> my biggest concern is wasting of 2 spi peripehrals.
2013-05-31T16:29:40 < dongie> and associated DMA etc.
2013-05-31T16:29:59 < zyp> well, you have three colors: «black, white, transparent»
2013-05-31T16:30:01 < Laurenceb> so... pwm
2013-05-31T16:30:19 < dongie> zyp: you mean for that chip?
2013-05-31T16:30:21 < Laurenceb> pwm pwm pwm pwm pwm pwm
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2013-05-31T16:30:32 < Laurenceb> pwm pwm pwm pwm pwm pwm
2013-05-31T16:30:34 < zyp> dongie, for anything
2013-05-31T16:30:41 < dongie> right
2013-05-31T16:30:57 < dongie> and? :)
2013-05-31T16:30:58 < zyp> you want your spi to either output a white pixel, a black pixel or just have a transparent pixel
2013-05-31T16:31:05 < zyp> s/spi/osd/
2013-05-31T16:31:31 < zyp> so that requires at least two bits of output to drive
2013-05-31T16:31:47 < zyp> because you can't have three different colors with one bit
2013-05-31T16:31:50 < dongie> my idea i was blogging earlier is use spi as mask
2013-05-31T16:31:55 < dongie> either pixel or transparent
2013-05-31T16:32:05 < dongie> and pixel level is set by ??? (dac, but doesnt sound ilke its fast enough)
2013-05-31T16:32:22 < Laurenceb> pwm pwm pwm pwm pwm pwm
2013-05-31T16:32:31 < qyx_> or spifi
2013-05-31T16:32:34 < zyp> Laurenceb, what about shutting the fuck up?
2013-05-31T16:32:42 < qyx_> hm, isnt sdio usable for that?
2013-05-31T16:32:48 < zyp> nah
2013-05-31T16:33:29 < zyp> too much of the protocol is done in hardware, so you can't use it as a generic way of shifting 4 bits
2013-05-31T16:34:44 < qyx_> so then dma to generic gpio if spi is so precious
2013-05-31T16:35:22 < dongie> how does that solve the problem tho
2013-05-31T16:37:07 < Laurenceb> ffs
2013-05-31T16:37:14 < Laurenceb> is this running on F3?
2013-05-31T16:37:18 < dongie> sure
2013-05-31T16:37:31 < Laurenceb> can't you clock timers at 72mhz?
2013-05-31T16:37:43 < dongie> i think it can do 144.
2013-05-31T16:37:56 < Laurenceb> oh yeah... maybe it can
2013-05-31T16:38:01 < Laurenceb> so sorted
2013-05-31T16:38:11 < qyx_> dongie: use one gpio for transparent switch and 3 gpio for voltage level
2013-05-31T16:38:17 < Laurenceb> timer overflow at 128 or something
2013-05-31T16:38:22 < Laurenceb> then low pass
2013-05-31T16:38:37 < Laurenceb> or to be clever, use 2 channels to do color
2013-05-31T16:39:07 -!- inca [~inca@130.101.48.210] has quit [Ping timeout: 276 seconds]
2013-05-31T16:39:35 < Laurenceb> ffs ill draw a diagram
2013-05-31T16:40:46 < dongie> qyx_: what dso those 3 bits do
2013-05-31T16:42:08 < dongie> if y ou gonna draw me a diagram of how to do color on F3, im gonna be impressed
2013-05-31T16:43:39 < qyx_> http://farm5.static.flickr.com/4087/5225072558_5f5f760037.jpg
2013-05-31T16:43:40 < qyx_> like that
2013-05-31T16:44:02 < qyx_> just use more resistors
2013-05-31T16:44:59 < zyp> what do you need more resistors for when you just want black and white?
2013-05-31T16:45:11 < dongie> zyp, theres 2 ways to do black
2013-05-31T16:45:14 < dongie> fucking eurotrash.
2013-05-31T16:45:34 < zyp> sure, but you're not gonna use both in the same frame
2013-05-31T16:45:46 < dongie> yes.
2013-05-31T16:45:47 < qyx_> by the way
2013-05-31T16:46:00 < dongie> qyx_: this is not for generation btw, just overlay
2013-05-31T16:46:02 < qyx_> instead of this video switcher you can use generic analog multiplexer
2013-05-31T16:46:05 < dongie> so i'd be switching my shit over it
2013-05-31T16:46:08 < dongie> yes i know
2013-05-31T16:46:12 < dongie> im using that on my current hardware.
2013-05-31T16:46:15 < dongie> using uh..
2013-05-31T16:46:21 < qyx_> 1/4 for example
2013-05-31T16:46:23 < dongie> sn74lvc1g3157
2013-05-31T16:46:27 < Laurenceb> http://i.imgur.com/zGoMjJ0.png
2013-05-31T16:46:29 < qyx_> transparent, black1, black2, white
2013-05-31T16:47:44 < dongie> TWO schottky diodes?
2013-05-31T16:47:50 < zyp> mixing mask and color like that sounds like a bad idea software-wise
2013-05-31T16:48:07 -!- espiral [~maze@unaffiliated/espiral] has quit [Ping timeout: 252 seconds]
2013-05-31T16:48:13 < Laurenceb> one zener
2013-05-31T16:48:34 < Laurenceb> so 3.3v == white
2013-05-31T16:48:38 < Laurenceb> 0v==black
2013-05-31T16:48:42 < zyp> and Laurenceb-schematic looks like a waste of time
2013-05-31T16:48:43 < dongie> uh
2013-05-31T16:48:43 < Laurenceb> in the middle == video p[ass
2013-05-31T16:48:50 < dongie> yeah, fail
2013-05-31T16:48:56 < dongie> i need 2 black levles, 0mv adn 50mv
2013-05-31T16:49:00 < dongie> plus configurable white
2013-05-31T16:49:08 < qyx_> 1/8 mux :X
2013-05-31T16:49:12 < dongie> no way
2013-05-31T16:49:18 < Laurenceb> then you need at least 2x gpio
2013-05-31T16:49:21 < zyp> software-configurable or just a pot on the board?
2013-05-31T16:49:22 < qyx_> way no way
2013-05-31T16:49:30 < dongie> zyp, i have a pot on current shit.
2013-05-31T16:49:33 < dongie> dumb, i want it by software
2013-05-31T16:49:46 -!- espiral [~maze@unaffiliated/espiral] has joined ##stm32
2013-05-31T16:49:57 < dongie> well, i dunno. i could do a pot still. but i dunno
2013-05-31T16:50:12 < qyx_> replace pot with dac
2013-05-31T16:50:12 < zyp> I guess you could do dac to output white level
2013-05-31T16:50:12 < dongie> black has to be auto.
2013-05-31T16:50:17 < dongie> right
2013-05-31T16:50:24 < dongie> i know how i could do it the current way.
2013-05-31T16:50:27 < zyp> then a single gpio to select black level
2013-05-31T16:50:29 < dongie> 2 spi, that video switcher, dac for white.
2013-05-31T16:50:46 < qyx_> dac for black level
2013-05-31T16:50:49 < dongie> no.
2013-05-31T16:50:51 < qyx_> not for white
2013-05-31T16:51:00 < dongie> thats just a waste.
2013-05-31T16:51:13 < zyp> qyx_, do you ever read the whole conversation?
2013-05-31T16:51:27 < dongie> i dont :)
2013-05-31T16:51:32 -!- claude is now known as Claude
2013-05-31T16:51:39 < qyx_> i think yes, the problem is that there are two voltage levels for black
2013-05-31T16:51:41 < qyx_> or not?
2013-05-31T16:51:42 < Laurenceb> pwm + spi + video switcher
2013-05-31T16:51:47 < zyp> he wants selectable blacklevel between ntsc and pal, and adjustable white level
2013-05-31T16:51:53 < qyx_> yes
2013-05-31T16:52:03 < dongie> black i can do with gpio i guess.
2013-05-31T16:52:07 < dongie> resistor divider for 50mV
2013-05-31T16:52:09 < dongie> and just pull to gnd
2013-05-31T16:52:10 < qyx_> and i also said that dac is not fast enough to adjust white level on per pixel basis
2013-05-31T16:52:10 < zyp> so 1 bit for black, meaning a gpio with a few resistors is enough
2013-05-31T16:52:11 < dongie> for black
2013-05-31T16:52:22 < zyp> qyx_, but that's not needed.
2013-05-31T16:52:30 < Laurenceb> what about switcher input impedance?
2013-05-31T16:52:40 < Laurenceb> is it 75ohm?
2013-05-31T16:52:45 < zyp> white and black levels are set once and kept there
2013-05-31T16:52:48 < dongie> that one i linked is
2013-05-31T16:52:52 < Laurenceb> i see
2013-05-31T16:53:15 < qyx_> zyp: o\ ok
2013-05-31T16:53:25 < qyx_> if thats only brigtness level, then ok
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2013-05-31T16:55:19 < dongie> nhmm
2013-05-31T16:55:32 < dongie> but anyhow that still doesnt solve wasting 2 spi.
2013-05-31T16:56:01 < dongie> so *ideally* it would be cool to have white changeable fast enough to do black/white with single source.
2013-05-31T16:56:44 < Laurenceb> so use pwm
2013-05-31T16:56:56 < dongie> and how much memory will i need to waste per line
2013-05-31T16:56:58 < dongie> to prepare it for DMA?
2013-05-31T16:57:04 < dongie> tell meeeee
2013-05-31T16:57:33 < Laurenceb> yeah you'll need lots of dma
2013-05-31T16:57:57 < Laurenceb> unless you are clever
2013-05-31T16:58:04 < Laurenceb> and only update when needed
2013-05-31T16:58:23 < Laurenceb> so use one timer to trigger pwm duty cycle update via dma
2013-05-31T17:02:19 < dongie> sounds hard
2013-05-31T17:02:51 < Laurenceb> harder than baird in a childrens playground
2013-05-31T17:03:32 < dongie> no doubt ther.
2013-05-31T17:10:32 < zyp> pwm doesn't solve shit
2013-05-31T17:10:53 < dongie> i can kinda see how it could but I dont think itll be worth the effort
2013-05-31T17:10:55 < zyp> if you are going to do a dma transfer for every single pixel you might as well just dma to gpio
2013-05-31T17:11:05 < dongie> that too
2013-05-31T17:11:22 < zyp> the point of using spi is to reduce the amount of dma transfers
2013-05-31T17:12:32 < dongie> 52 us for active line duration, qyx_ said DAC can onyl do full level change in 3us?
2013-05-31T17:12:42 < dongie> so io get like 17 pixels worth of brightness changes
2013-05-31T17:12:43 < dongie> not good.
2013-05-31T17:13:01 < qyx_> not qyx, datasheet
2013-05-31T17:13:15 < dongie> is that 52us or ms for line
2013-05-31T17:13:20 < dongie> that shit always gets me fucking confused
2013-05-31T17:13:28 < Laurenceb> us
2013-05-31T17:13:33 < dongie> 52.2 µs
2013-05-31T17:13:59 < qyx_> for line us, you need 576 lines for full frame + some hidden
2013-05-31T17:14:48 < zyp> I think shit like this is what the lpc stuff would be great at
2013-05-31T17:14:52 < dongie> huh i'd need like 6mhz capable switching shit to do just 320 horizontal pixels with a dac
2013-05-31T17:15:05 -!- l4cr0ss [~l4cr0ss@unaffiliated/l4cr0ss] has joined ##stm32
2013-05-31T17:15:09 < dongie> 52us/320 = 6.1mhz
2013-05-31T17:15:21 < dongie> thats fucking epic fail
2013-05-31T17:15:25 < dongie> zyp, waht does lpc do
2013-05-31T17:15:31 -!- l4cr0ss [~l4cr0ss@unaffiliated/l4cr0ss] has quit [Remote host closed the connection]
2013-05-31T17:15:33 < zyp> SCT/SGPIO
2013-05-31T17:16:15 < dongie> and that helps how
2013-05-31T17:16:19 -!- l4cr0ss [~l4cr0ss@unaffiliated/l4cr0ss] has joined ##stm32
2013-05-31T17:16:21 < zyp> I think it should be able to let you do the multi-bit output in a less ghetto way
2013-05-31T17:17:02 < zyp> it's a bunch of shift registers, like spi, with lots of internal routing of signals that can trigger each other
2013-05-31T17:18:07 < dongie> wel,l that isnt gonna help me.
2013-05-31T17:18:11 < dongie> cuase /hitwtc lpc
2013-05-31T17:18:12 < dongie> etc.
2013-05-31T17:18:20 < zyp> sure
2013-05-31T17:19:05 -!- trepidaciousMBR [~trepidaci@176.62.208.227] has quit [Quit: trepidaciousMBR]
2013-05-31T17:22:16 < dongie> hmm.
2013-05-31T17:31:34 -!- vpopov [~happylife@dyn-73-2.fttbee.kis.ru] has quit [Ping timeout: 252 seconds]
2013-05-31T17:32:10 < dongie> http://www.kickstarter.com/projects/otherfab/the-othermill-custom-circuits-at-your-fingertips haha this garbage is suceeding
2013-05-31T17:32:14 < dongie> lame lame lame
2013-05-31T17:34:11 < Laurenceb> more useful than 3d printing
2013-05-31T17:34:33 -!- Ranewen [~Ranewen@93-136-132-162.adsl.net.t-com.hr] has joined ##stm32
2013-05-31T17:35:52 < gxti> doesn't look like it
2013-05-31T17:42:43 < Laurenceb> does actual milling
2013-05-31T17:43:12 < Laurenceb> so you can use non lame materials
2013-05-31T17:43:48 < gxti> technically it is more useful than a shitty 3d printer yes
2013-05-31T17:43:50 < gxti> but it's still shit
2013-05-31T17:43:58 < Laurenceb> true
2013-05-31T17:43:59 < Laurenceb> lol
2013-05-31T17:44:06 < gxti> it will disassemble itself through normal use
2013-05-31T17:44:10 < gxti> and have garbage tolerances
2013-05-31T17:44:41 < Laurenceb> but its built by hipsters
2013-05-31T17:45:17 < Laurenceb> so it must be good
2013-05-31T17:45:35 < dongie> software only runs on mactrash
2013-05-31T17:45:36 -!- kuldeepdhaka [~kuldeepdh@117.254.218.92] has quit [Ping timeout: 256 seconds]
2013-05-31T17:45:43 < Laurenceb> as i was saying
2013-05-31T17:45:44 < dongie> so its insta-fail from begining
2013-05-31T17:45:58 < dongie> the kinda fagots who'd drag that shit into starbucks
2013-05-31T17:46:01 < dongie> and start milling some hippie shit
2013-05-31T17:46:04 < dongie> on a table
2013-05-31T17:46:08 < dongie> hooked up to their macbook air
2013-05-31T17:46:14 < dongie> fucking aids
2013-05-31T17:46:16 < Laurenceb> i lolled
2013-05-31T17:46:24 < gxti> dongs is getting all hot and bothered just thinking about it
2013-05-31T17:48:15 < dongie> totally
2013-05-31T17:48:30 < dongie> soo, still looking for a neat way to do this video overlay shit
2013-05-31T17:48:37 < Ranewen> is dongie  dongs ?
2013-05-31T17:48:42 < dongie> yes.
2013-05-31T17:48:57 < gxti> who knew
2013-05-31T17:48:58 < dongie> dongie is dongs when the fucking irc is too lagged to chat
2013-05-31T17:49:10 < dongs> ^ that guy is a fucking faggot
2013-05-31T17:49:15 -!- gnomad [~gnomad@c-71-203-29-67.hsd1.fl.comcast.net] has quit [Quit: and like that, he's gone]
2013-05-31T17:49:19 < Laurenceb> i lolled
2013-05-31T17:49:32 < gxti> assuming direct control
2013-05-31T17:49:40 < dongie> I saw "i lolled" on here before the other one
2013-05-31T17:49:49 < dongie> and this one is in usa and the other one is "local"
2013-05-31T17:49:54 < dongie> fucking garbage, feenode is such a waste of time
2013-05-31T17:49:59 < dongie> it shoulda died with rob levin
2013-05-31T17:50:02 < dongie> then we could all be on efnet
2013-05-31T17:50:08 < gxti> you first
2013-05-31T17:50:16 < dongie> im already on efnet.
2013-05-31T17:50:25 < dongie> Ranewen: did you have a question or something or you just bloggin'
2013-05-31T17:50:39 < Laurenceb> http://www.google.co.uk/search?client=ubuntu&channel=fs&q=rob+levin+died&ie=utf-8&oe=utf-8&gl=uk&redir_esc=&ei=r7ioUbqhNYbOOfacgdgC
2013-05-31T17:50:41 < Laurenceb> i lolled
2013-05-31T17:50:42 -!- gnomad [~gnomad@c-71-203-29-67.hsd1.fl.comcast.net] has joined ##stm32
2013-05-31T17:50:48 -!- kuldeepdhaka [~kuldeepdh@117.254.218.92] has joined ##stm32
2013-05-31T17:51:05 < dongie> Laurenceb: what the actual fuck
2013-05-31T17:51:07 < Laurenceb> argggg
2013-05-31T17:51:09 < Ranewen> dongie, are you ?
2013-05-31T17:51:12 < dongie> do you get that date on google results?
2013-05-31T17:51:13 < Laurenceb> eye bleach
2013-05-31T17:51:15 < dongie> Ranewen: YES FOR THE SECOND FUCKING TIME
2013-05-31T17:51:34 < Ranewen> dongie, okay dont be mad
2013-05-31T17:51:38 -!- Ranewen [~Ranewen@93-136-132-162.adsl.net.t-com.hr] has quit [Quit: Leaving]
2013-05-31T17:51:42 < dongie> ...
2013-05-31T17:52:04 < Laurenceb> the ed page is eyebleach tiem
2013-05-31T17:52:10 < dongie> ed page is awesome
2013-05-31T17:52:19 < dongie> its like the only page about rob levin worth reading
2013-05-31T17:52:27 < dongie> BLOGGAGE & DUNNAGE
2013-05-31T17:52:48 -!- _BJfreeman [~bjfree@72.sub-75-233-96.myvzw.com] has joined ##stm32
2013-05-31T17:52:51 <+Steffanx> Laurenceb, you are the fail today.. ubuntu?!
2013-05-31T17:53:07 < dongie> i was wondering why i saw that
2013-05-31T17:53:14 < dongie> bad kitty, Laurenceb
2013-05-31T17:53:18 < dongie> lunix is for n ewbs
2013-05-31T17:54:40 -!- BJfreeman [~bjfree@72.sub-75-233-96.myvzw.com] has quit [Ping timeout: 252 seconds]
2013-05-31T17:54:44 -!- barthess [~barthess@86.57.155.106] has quit [Quit: Leaving.]
2013-05-31T17:57:15 < dongie> http://tom-itx.dyndns.org:81/~tom-itx/irc/logs/%23%23stm32/2013-01-22.html
2013-05-31T17:57:31 < dongie> <Ranewen> do you accept windows users?
2013-05-31T17:57:40 < dongie> <Ranewen> good, because linux isn't in my family veins
2013-05-31T17:57:42 < dongie> i like this guy already.
2013-05-31T17:59:21 -!- _BJfreeman [~bjfree@72.sub-75-233-96.myvzw.com] has quit [Read error: Connection reset by peer]
2013-05-31T17:59:27 < dongie> ah almost forgot to get SPI flash i wanted to sample
2013-05-31T18:00:00 -!- _BJfreeman [~bjfree@72.sub-75-233-96.myvzw.com] has joined ##stm32
2013-05-31T18:01:27 < dongie> http://www.digikey.com/product-detail/en/AT25DF161-SSH-B/1265-1026-5-ND/3828578
2013-05-31T18:01:29 < dongie> that is cheap, wow
2013-05-31T18:03:02 < dongie> RapidS more like AidS
2013-05-31T18:04:47 < rlc> Is there a maximum clock frequency for the I2S or is it limited by the pheripheral bus frequency?
2013-05-31T18:04:56 < dongie> i think the latter
2013-05-31T18:05:02 < dongie> SPI max is liek 36mhz or someshit?
2013-05-31T18:05:59 < rlc> yeah, so I2S can attain that speed as well?
2013-05-31T18:06:06 < dongie> i dont see why nto
2013-05-31T18:08:03 < dongie> but theres probably no point making it faster than whats neded for 192khz sample freq
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2013-05-31T18:25:09 < upgrdman> what's the difference between an interrupt and an event?
2013-05-31T18:26:17 < dongie> event sounds like higher level shit.
2013-05-31T18:26:33 < gxti> upgrdman: as in the events that timers have? they go to other timers instead of to the cpu
2013-05-31T18:26:56 < gxti> or to dma
2013-05-31T18:27:33 < upgrdman> im reading ch11 of rm0091 (f0) and you can mask interrupts and events.
2013-05-31T18:27:50 < upgrdman> so an event is like an interrupt, but it connects two internal periphs?
2013-05-31T18:28:10 < gxti> i'm not familiar with the masking you're talking about but probably yes
2013-05-31T18:29:05 < zyp> Laurenceb, http://bin.jvnv.net/f/0XIwA.jpg <- here's something for you
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2013-05-31T18:42:38 < Laurenceb> https://www.dropbox.com/s/0gk2z7xp5vsqsbl/John%20Wiley%20%26%20Sons%20-%20Electronics.for.Dummies.pdf
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2013-05-31T18:44:03 < upgrdman> anyone used the PVD feature? i'd like tell an lcd to turn off as the mcu voltage dips. im reading the interrupts/events chapter for the f0 rm, and it says that PVD is connected to EXTI line 16. i'm not sure how to actually use it. do i just unmask line 16 in EXTI>IMR, and then define the ISR?
2013-05-31T18:46:19 < upgrdman> oh, and trigger on rising edge with EXTI>RTSR
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