--- Log opened Sun Dec 01 00:00:21 2013
2013-12-01T01:04:56 < Laurenceb_> http://img.gawkerassets.com/img/17kwked0i7s2bjpg/ku-xlarge.jpg
2013-12-01T01:06:47 < Steffanx> Hello Laurenceb_. What a wonderful photo you just posted.
2013-12-01T01:06:52 < Steffanx> Do you have more of it?
2013-12-01T01:07:22 < Steffanx> Your ability to find wonderful photos on the web is amazing.
2013-12-01T01:08:14 < Tectu> can't we just throw Laurenceb_ out of here? He's so useless.
2013-12-01T01:08:27 < Laurenceb_> speak for yourself
2013-12-01T01:09:17 < Steffanx> We do not throw people overboard
2013-12-01T01:09:35 < Tectu> well, I assume it applies to nearly everybody except jpa-, zyp, GargantuaSauce, gxti and sometimes dongs.
2013-12-01T01:11:52 < Steffanx> Tectu <3
2013-12-01T01:12:08 < Tectu> Steffanx, not in public please.
2013-12-01T01:12:16 < Steffanx> Love no hate
2013-12-01T01:47:02 < zyp> except me? :(
2013-12-01T01:47:14 < fbs> damn, now i got to say something useful to fit in
2013-12-01T01:47:34 < Steffanx> you're new, mr Tectu doesnt know you yet.
2013-12-01T01:48:11 < Steffanx> you have to join #ugfx and #chibios ..
2013-12-01T01:48:13 < fbs> he seems to know quite well
2013-12-01T01:48:42 < zyp> Steffanx, I didn't do that, and I have no intention to either
2013-12-01T01:48:58 < Steffanx> but you are an oldie.
2013-12-01T01:49:01 < Steffanx> that's different
2013-12-01T01:50:53 < fbs> i went to chibios.com :/
2013-12-01T01:51:43 < zyp> now I did, expecting a troll site
2013-12-01T01:53:33 < fbs> :p
2013-12-01T01:55:29 < Steffanx> lol .. 1500 redirects
2013-12-01T01:55:59 < fbs> yes
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2013-12-01T02:09:22 < Tectu> who don't I know yet?
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2013-12-01T02:26:49 < Steffanx> fbs mr Tectu
2013-12-01T02:30:14 < Tectu> ah, no worries. I know him...
2013-12-01T02:32:33 < fbs> whos that fbs guy everyones talking about
2013-12-01T02:33:24 < Steffanx> facebook-s.... ?
2013-12-01T02:34:17 < fbs> nein
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2013-12-01T03:34:17 < GargantuaSauce> i am pleased to be one of the chosen few
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2013-12-01T03:59:51 < dongs> so who managed to get chibios.com to expire
2013-12-01T04:00:14 < dongs> hm, its not expired
2013-12-01T04:00:15 < dongs> wtf
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2013-12-01T08:18:27 < GargantuaSauce> http://www.youtube.com/watch?v=2vBi6LNklRg
2013-12-01T08:19:23 < dongs> nice macbook, fgt
2013-12-01T08:19:32 < GargantuaSauce> it's a lenovo
2013-12-01T08:19:53 < dongs> huh really
2013-12-01T08:20:00 < GargantuaSauce> yup, u310
2013-12-01T08:20:14 < englishman> i hope that stomping noise it makes isn't the last thing i hear before i die
2013-12-01T08:20:29 < englishman> lol, epilepsy
2013-12-01T08:20:46 < dongs> haha
2013-12-01T08:20:48 < dongs> turned up sound
2013-12-01T08:20:49 < dongs> nice
2013-12-01T08:24:48 < GargantuaSauce> the stomping is what makes it all worthwhile
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2013-12-01T08:43:50 < PaulFertser> Apparently dongs is an RMS follower: here's an article explaining why it's important to twist names of the products one doesn't like: http://www.gnu.org/philosophy/why-call-it-the-swindle.html
2013-12-01T08:46:08 < GargantuaSauce> i am pretty sure rms is dongs' alter ego for false-flag opensores operations
2013-12-01T08:46:26 < englishman> zomg
2013-12-01T08:46:29 < englishman> rms = dongs
2013-12-01T08:46:31 < englishman> makes so much sense
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2013-12-01T08:47:41 < GargantuaSauce> the secret is out
2013-12-01T08:51:04 < PaulFertser> (hexapod) fucking amazing
2013-12-01T08:52:02 < GargantuaSauce> yeah it's coming along nicely....certainly needs work though
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2013-12-01T09:07:43 < englishman> will that thing have enough power to jump?
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2013-12-01T09:08:00 < GargantuaSauce> nah
2013-12-01T09:08:15 < GargantuaSauce> it's like 4kg
2013-12-01T09:08:53 < englishman> good, i'm already scared enough
2013-12-01T09:09:33 < GargantuaSauce> cartwheeling is still on the table though
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2013-12-01T09:39:04 < dongs> You attempted to reach upgradefromwindows.org, but instead you actually reached a server identifying itself as *.gnu.org. This may be caused by a misconfiguration on the server or by something more serious. An attacker on your network could be trying to get you to visit a fake (and potentially harmful) version of upgradefromwindows.org.
2013-12-01T09:39:09 < dongs> lawl
2013-12-01T09:40:20 < GargantuaSauce> valid ssl certificates are a violation of your Freedom
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2013-12-01T11:12:50 < jpa-> yay, i'm on Tectu's "people who can be thrown overboard" list
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2013-12-01T12:26:45 < Tectu> jpa-, wrong, actually you're on the opposit list.
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2013-12-01T12:32:21 < jpa-> Tectu: "we do not throw people overboard" "it applies to nearly everybody except jpa-"
2013-12-01T12:32:29 < jpa-> :P
2013-12-01T12:32:33 < fbs> lolhax
2013-12-01T12:32:39 < Tectu> jpa-, it was not meant that way :P
2013-12-01T12:32:58 < fbs> i hope you can swim jpa-
2013-12-01T12:33:25 < jpa-> yeah but i don't like ice water
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2013-12-01T12:37:27 < Tectu> how comes? Shouldn't .fi people be addicted to cold stuff?
2013-12-01T12:40:26 < jpa-> no
2013-12-01T12:40:37 < jpa-> the cold stuff is forced upon us, we do not get to choose
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2013-12-01T16:07:26 < talsit> dongs: http://www.reddit.com/r/shittykickstarters/
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2013-12-01T16:21:40 < TitanMKD> hi
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2013-12-01T17:55:22 < Laurenceb__> http://drop-kicker.com/
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2013-12-01T17:58:23 < TitanMKD> haha yes a bit like Mu Thermal Camera
2013-12-01T17:58:29 < TitanMKD> what a scam
2013-12-01T18:00:33 < TitanMKD> my preferred was "OpenVizsla" project
2013-12-01T18:01:06 < TitanMKD> founded on Dec 23, 2010 !!
2013-12-01T18:01:18 < TitanMKD> and up to now nothing except a complete redesign ...
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2013-12-01T18:31:26 < zyp> complete fail, more like
2013-12-01T18:35:12 < qyx_> is there at least one project successfully delivered to the backers? :X
2013-12-01T18:36:43 < zyp> I have a bladerf
2013-12-01T18:37:01 < zyp> of course, it was a couple of months delayed
2013-12-01T18:37:34 < Thorn> ... Cooley's dream that "someday radio tuners will operate with digital processing units. I have heard this suggested with tongue in cheek, but one can speculate." (1969)
2013-12-01T18:43:39 < TitanMKD> qyx_: my new board with stm32 +nfc ;)
2013-12-01T18:43:51 < TitanMKD> qyx_: it is real hw in test
2013-12-01T18:44:46 < TitanMKD> the new BusPirate of 2014 with top of the art MCU and peripherals + full FW ;)
2013-12-01T18:44:55 < englishman> i have a bug-a-salt
2013-12-01T18:44:58 < TitanMKD> and fully open source
2013-12-01T18:44:59 < englishman> that was a great success
2013-12-01T18:45:02 < englishman> also, indiegogo
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2013-12-01T19:41:18 < mtbg> hi!
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2013-12-02T02:16:40 < dongs> talsit: ooooo and http://drop-kicker.com/ linked from that reddit
2013-12-02T02:16:43 < dongs> looks intersting
2013-12-02T02:17:33 < englishman> i wonder if ch00f = ch00ftech
2013-12-02T02:17:41 < dongs> who
2013-12-02T02:17:51 < englishman> hacker extrordanaire
2013-12-02T02:18:33 < englishman> http://ch00ftech.com/2013/02/17/bigger-brighter-cheaper-whiter/
2013-12-02T02:19:09 < GargantuaSauce> yes they are one and the same
2013-12-02T02:26:39 < dongs> looks like a bunch of tarduino wank
2013-12-02T02:26:48 < dongs> solution looking for a problem
2013-12-02T02:30:19 < dongs> http://ch00ftech.com/2013/05/19/the-slowest-100-ive-ever-made/#more-3718 haha.
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2013-12-02T02:35:03 < dongs> wiat what the fuck
2013-12-02T02:35:09 < dongs> he took preorders for something he didnt even MAKE yet?
2013-12-02T02:36:07 < englishman> wow tindie takes a nice chunk
2013-12-02T02:36:20 < englishman> still better than most kickstarters
2013-12-02T02:36:24 < dongs> PCBs (55): -569.00 .....
2013-12-02T02:36:29 < englishman> taking preorders for something that doesn't exist
2013-12-02T02:36:46 < dongs> he managed to pay 570bux for pcbs, lols.
2013-12-02T02:36:54 < englishman> did you see the size of them
2013-12-02T02:37:02 < dongs> thats his problem tho
2013-12-02T02:37:28 < englishman> yes but it explains the cost
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2013-12-02T02:39:51 < englishman> lol, surface mount usb
2013-12-02T02:40:42 < dongs> http://i.imgur.com/L7EFn3D.jpg wow wtf, what a scam
2013-12-02T02:40:45 < dongs> when did they start doing this shit?
2013-12-02T02:40:46 < qyx_> somehow i miss the purpose of this clock
2013-12-02T02:40:55 < dongs> qyx_: i think you can scan it with your phone to get time
2013-12-02T02:40:59 < englishman> whats that dongs?
2013-12-02T02:41:09 < dongs> englishman: portable usb hdd
2013-12-02T02:41:12 < zyp> dongs, which vendor is that?
2013-12-02T02:41:16 < dongs> zyp: WD of course
2013-12-02T02:41:18 < zyp> ah, WD
2013-12-02T02:41:33 < englishman> non standard connectors so you can't buy the enclosure for the HD?
2013-12-02T02:41:46 < dongs> englishman: no, its not sata with usb>sata bridge anymore
2013-12-02T02:41:49 < zyp> englishman, it's usb3 directly to the drive
2013-12-02T02:41:51 < dongs> its just usb bridge right on hdd board.
2013-12-02T02:41:51 < dongs> yeah
2013-12-02T02:41:55 < englishman> oh that's cool
2013-12-02T02:42:00 < qyx_> dongs: of course, doesn't your phone already have clock in human readable form?
2013-12-02T02:42:11 < dongs> qyx_: thats not the point obviously
2013-12-02T02:42:50 < GargantuaSauce> the point is you change it to have a qr link to last measure
2013-12-02T02:43:50 < zyp> dongs, probably saves a bit of cost, not having to have a separate bridge chip on a separate pcb
2013-12-02T02:44:19 < zyp> shouldn't be any speed advantage though, considering sata is faster than usb
2013-12-02T02:45:22 < dongs> it also makes the drive unusable if you dont want the dumb external enclosure
2013-12-02T02:45:45 < zyp> why? you can still plug in a usb cable :p
2013-12-02T02:45:55 < dongs> internally>?
2013-12-02T02:46:04 < zyp> why not?
2013-12-02T02:46:22 < zyp> use one of the mobo headers and run it over to the drive
2013-12-02T02:46:38 < qyx_> interesting drive, physical interface and speed is almost identical
2013-12-02T02:47:26 < zyp> dongs, and really, how many normal users pull the drives out of external enclosures?
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2013-12-02T02:53:17 < englishman> me, cause with sales they are usually cheaper than internal drives and can get them from local big-box stores :)
2013-12-02T02:53:31 < englishman> but it's been a while since i bought a drive, like pre-flood was the last time
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2013-12-02T04:31:58 < emeb_mac> amazon PrimeAir sounds like an april fools gag
2013-12-02T04:55:27 < dongs> aidsair
2013-12-02T04:56:20 < emeb_mac> finally - a use for n-copters
2013-12-02T04:56:26 < emeb_mac> if they can get it past the FAA
2013-12-02T05:01:28 < BrainDamage> I guess the natural next step is automatic aa guns to shoot down the drones
2013-12-02T05:04:07 < emeb_mac> and get free stuff if you can make it fall in your yard
2013-12-02T05:04:19 < emeb_mac> trick is to make sure it's free stuff you want
2013-12-02T05:05:00 < emeb_mac> or better yet - make bigger drones of your own to zero in on the Amazon drones and hijack them.
2013-12-02T05:05:02 < englishman> and it lands in your neighbour's yard
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2013-12-02T05:19:11 < Thorn> obligatory http://www.copterexpress.ru/
2013-12-02T05:21:07 < dongs> old
2013-12-02T05:21:30 < dongs> 1200 rur = $36
2013-12-02T05:21:32 < dongs> too cheap
2013-12-02T05:26:11 < emeb_mac> not the cost of the copter, but the cost of a delivery via the copter?
2013-12-02T05:28:18 < dongs> considering some enterprising russkie can just keep the copter, yes
2013-12-02T05:29:12 < Thorn> you have to appreciate the difference in the approach here. the russian version has a winch to lower the payload and it will break away if you pull too hard
2013-12-02T05:29:34 < GargantuaSauce> so use a net
2013-12-02T05:29:35 < Thorn> the copter is supposed to be hovering at a safe height.
2013-12-02T05:40:49 < dongs> safe for shotgun?
2013-12-02T05:42:12 < englishman> safe for AK?
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2013-12-02T08:31:45 < Thorn> de0-nano sdr with ethernet interface http://img-fotki.yandex.ru/get/6724/14557097.1/0_c7eea_168c5fda_orig
2013-12-02T08:32:28 < emeb_mac> cool
2013-12-02T08:32:37 < emeb_mac> what you using for the ADC?
2013-12-02T08:33:14 < Thorn> http://habrahabr.ru/post/204310/
2013-12-02T08:33:18 < Thorn> it's not me
2013-12-02T08:33:34 < Thorn> ad9200
2013-12-02T08:33:42 < Thorn> http://img-fotki.yandex.ru/get/9759/14557097.1/0_c7ee9_d8c26b2f_orig.jpg
2013-12-02T08:35:50 < Thorn> comments say that SDR technologies are being patented, expect heavy patent trolling in the future
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2013-12-02T08:37:28 < dongs> rofl @ soviet power surpply
2013-12-02T08:38:13 < emeb_mac> patents. bullshit.
2013-12-02T08:38:28 < Thorn> yes, the power supply is antique
2013-12-02T08:38:34 < emeb_mac> these types of designs were commonplace 20 years ago.
2013-12-02T08:39:00 < emeb_mac> they just weren't cheap to build because you needed ASICs.
2013-12-02T08:39:14 < emeb_mac> now you can get $20 FPGAs that are capable of doing it.
2013-12-02T08:39:22 < emeb_mac> but there's plenty of prior art.
2013-12-02T08:39:23 < ds2> hey emeb_mac... have you looked at the INA19x chips before?
2013-12-02T08:39:35 < emeb_mac> ds2: never heard of them
2013-12-02T08:39:53 < dongs> is that  some shunt measuring crpa?
2013-12-02T08:41:42 < dongs> sounds like it
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2013-12-02T08:47:55 < emeb_mac> deactivate for les
2013-12-02T08:49:13 < emeb_mac> Thorn: did you see my Beaglebone + FPGA + SDR setup? https://dl.dropboxusercontent.com/u/17017364/breakout.jpg
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2013-12-02T08:50:33 < Thorn> I've seen the image
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2013-12-02T08:51:28 < Thorn> where's the beaglebone
2013-12-02T08:51:32 < emeb_mac> still working on the FPGA design to support the external hardware, but it's similar to what they're doing in that article
2013-12-02T08:51:50 < emeb_mac> beaglebone is under the FPGA board on the left
2013-12-02T08:52:06 < Thorn> right
2013-12-02T08:53:21 < ds2> yes
2013-12-02T08:53:44 < ds2> that thing has linearity problems
2013-12-02T08:55:31 < Thorn> is that xc6slx9?
2013-12-02T08:55:37 < emeb_mac> Thorn: yes
2013-12-02T08:55:49 < Thorn> that is small
2013-12-02T08:56:07 < emeb_mac> yeah, but largest S9 available in non-bga pkg
2013-12-02T08:56:22 < emeb_mac> not feeling like dealing with bga at this point.
2013-12-02T08:56:57 < emeb_mac> and it's big enough to hold the tuner / decimator / AGC / detector logic needed, plus more.
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2013-12-02T09:55:23 < Thorn> wth is going on with STM32F429I-DISCO, out of stock everywhere
2013-12-02T09:55:49 < dongs> i have 2, nyah
2013-12-02T09:56:00 < jpa-> al qaida bought them all for their nuclear missiles
2013-12-02T09:56:39 < Thorn> they will show propaganda movies on their displays in flight?
2013-12-02T09:57:44 < jpa-> the gyro is export controlled :P
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2013-12-02T13:55:25 < Thorn> wtf http://www.youtube.com/watch?v=iNc6NRX2JG4
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2013-12-02T13:58:01 < jpa-> so someone made a kit around rpi? what's wtf about that?
2013-12-02T13:58:11 < jpa-> the stupid title for the video?
2013-12-02T13:58:36 < Thorn> is this called "making" these days?
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2013-12-02T13:58:51 < jpa-> what else would it be called?
2013-12-02T13:59:07 < jpa-> ah, you are still referring to the title
2013-12-02T13:59:12 < jpa-> yeah, it is stupid linkbait title
2013-12-02T13:59:18 < Thorn> Ikea doesn't say "make your own furniture"
2013-12-02T14:02:01 < Thorn> "I bought a Raspberry Pi, a class 10 microSD card, an USB keyboard & mouse, a HDMI cable to connect RPi to my monitor and got up and running system with Raspbian. I don't know why they need a kickstarter pledge for this."  <-- this
2013-12-02T14:03:54 < jpa-> "i bought a harddrive, a chassis, a motherboard, a processor, a heatsink, a power supply, a display, a keyboard, a mouse" "i don't know why anyone sells desktop computers"
2013-12-02T14:04:35 < jpa-> it seems reasonable that they need some funds to do the orders and make the boxes etc; so if someone wants to build a boxed kit, why not?
2013-12-02T14:05:46 < Steffanx> You just dont understand. You just dont understand.
2013-12-02T14:05:50 < Thorn> they must have paid at least $50k for the website http://www.kano.me/
2013-12-02T14:06:24 < jpa-> hah, funny idea though seems to bug in chromium
2013-12-02T14:06:35 < Thorn> oh and they got $919,612
2013-12-02T14:07:28 < jpa-> so they apparently knew what people want
2013-12-02T14:07:56 < Steffanx> It's time for a new/better rpi..
2013-12-02T14:08:12 < fbs> banana pie
2013-12-02T14:08:13 < jpa-> so the "wtf" boils down to "what, some people want stuff that i don't want? what is this i don't even.."
2013-12-02T14:08:59 < Steffanx> jpa-, you have to be totally anti-raspberrypi in ##stm32
2013-12-02T14:09:56 < jpa-> oopps.. i thought i had to be totally "fight everything that is said" in ##stm32
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2013-12-02T14:10:15 < englishman> another million dollar kickstarter that is nothing more than reselling stuff
2013-12-02T14:10:36 < Steffanx> They made a nice box!
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2013-12-02T14:12:02 < jpa-> didn't it also have some software included that teaches programming?
2013-12-02T14:12:14 < jpa-> or did they just take some premade software?
2013-12-02T14:12:54 < jpa-> but i've heard there is a multibillion dollar industry of these things called "stores" that do *nothing* except resell stuff
2013-12-02T14:12:56 < Steffanx> is this graphical programming stuff made by them?
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2013-12-02T14:15:15 < Steffanx> oh, inspired by google blocky
2013-12-02T14:16:07 < Thorn> https://s3.amazonaws.com/ksr/assets/001/350/249/5caa7513eb428cbf5ae8b45ec2ee0a65_large.png?1384885694
2013-12-02T14:16:32 < Thorn> this is what they sell: bragging rights
2013-12-02T14:17:39 < dongs> no, youre still black
2013-12-02T14:18:37 < dongs> fuck, kano is such fucking scam
2013-12-02T14:18:59 < dongs> btw, some interesting shit : http://drop-kicker.com/
2013-12-02T14:19:15 < Thorn> posted yesterday
2013-12-02T14:19:19 < dongs> k
2013-12-02T14:20:05 < Steffanx> reddit is social media?
2013-12-02T14:20:18 < dongs> social wank
2013-12-02T14:20:20 < Steffanx> is irc called social media too?
2013-12-02T14:20:27 < dongs> yes
2013-12-02T14:20:34 < dongs> actualyl no
2013-12-02T14:20:37 < dongs> irc is antisocial media.
2013-12-02T14:21:09 < Steffanx> Nah, youngsters like me are on IRC, so it's social media
2013-12-02T14:22:06 < fbs> you sure you arent a 53y old creeper?
2013-12-02T14:22:42 < Steffanx> Yes, and i have some terrible medical issues. Say "Canuck" in every sentence and ...
2013-12-02T14:22:58 < Steffanx>  /nick flyback
2013-12-02T14:23:32 < jpa-> i knew it
2013-12-02T14:23:40 < fbs> jab jab
2013-12-02T14:23:48 < dongs> i still havent received hires pics of hte neptune pcb
2013-12-02T14:23:54 < dongs> Hi Timmy,
2013-12-02T14:23:54 < dongs> We deeply apologize for the fact that we didn't get back to you. We are extremely busy these days as you may imagine ;)
2013-12-02T14:23:57 < dongs> Will send you the images first thing tomorrow!
2013-12-02T14:23:59 < dongs> im gonna prod them again
2013-12-02T14:24:01 < dongs> ^ nov 29
2013-12-02T14:24:03 < dongs> asking about the purpose of sd card socket
2013-12-02T14:24:06 < fbs> neptune?
2013-12-02T14:24:07 < dongs> which they said was "not useD"
2013-12-02T14:24:20 < dongs> > 3. The TF card is indeed on the Pine but it is built-in and is not accessible from outside; therefore making it non removable.
2013-12-02T14:26:29 < Steffanx> lol, dongs really uses it alias to email people?
2013-12-02T14:28:54 < dongs> http://bcas.tv/paste/results/6PlP8E50.html
2013-12-02T14:28:59 < dongs> just prodded them again lets see wat happens
2013-12-02T14:30:27 < fbs> lol timecop
2013-12-02T14:33:08 < Steffanx> http://www.kickstarter.com/projects/1243534184/neptune .. /me sees no TF card nor other electronics
2013-12-02T14:33:53 < dongs> http://www.kickstarter.com/projects/neptune/neptune-pine-smartwatch-reinvented?ref=live
2013-12-02T14:33:56 < dongs> its this.
2013-12-02T14:34:12 < dongs> https://s3.amazonaws.com/ksr/assets/001/317/801/68874cc55eb2e15a7e563e098f301459_large.jpg?1384289776
2013-12-02T14:34:23 < dongs> also PCB pic looks seriosuly suspicious because of contoured 3.5mm jack
2013-12-02T14:34:34 < dongs> which makes it look like it came out of some kinda chink phone
2013-12-02T14:34:42 < dongs> instead of being you know, properly developed
2013-12-02T14:34:44 < Steffanx> oh, a watch.. reminds me of this university of belgium that now forbids to take a watch to your exam
2013-12-02T14:34:47 < dongs> thats why I'm waiting for hirespics :)
2013-12-02T14:35:00 < Steffanx> because they can't see anymore if it's "smart" or just watch.
2013-12-02T14:35:04 < dongs> heh
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2013-12-02T14:36:30 < Steffanx> Also a ks project with a (semi-)professional pcb like that. Can't be right.
2013-12-02T14:36:54 < dongs> right
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2013-12-02T14:42:39 < trepidaciousMBR> Full keyboard... Luckily I have 1mm diameter fingers, and they are fitting a special touchscreen that recognises them
2013-12-02T14:43:17 < trepidaciousMBR> Ahh, it's actually massive
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2013-12-02T14:44:15 < trepidaciousMBR> I've seen actual phones smaller than that, I'd take $400k to attach one to a huge strap and call it done :)
2013-12-02T14:44:30 < dongs> thats what they did, exactly.
2013-12-02T14:44:46 < englishman> they = he
2013-12-02T14:44:51 < englishman> some kid in the suburbs
2013-12-02T14:44:56 < dongs> right
2013-12-02T14:45:40 < dongs> if this guy starts stalling im gonna  have to post a blog about it
2013-12-02T14:45:50 < dongs> as a potential retard who wants to drop $300 on this trash I think i have the right to know
2013-12-02T14:45:54 < dongs> why there's SD card on there
2013-12-02T14:45:59 < dongs> and a formed headphone socket
2013-12-02T14:46:04 < trepidaciousMBR> Actually, if they can make a small phone with decent hardware for $200 off contract, that's kind of ok, but it's not really a smartwatch
2013-12-02T14:46:17 < dongs> trepidaciousMBR: um,,  HTC Desire 200
2013-12-02T14:46:29 < dongs> its like 3.5", very small compared to current trash
2013-12-02T14:46:31 < dongs> and its liek $150 or something
2013-12-02T14:46:36 < dongs> unlocked
2013-12-02T14:46:42 < dongs> http://www.gsmarena.com/htc_desire_200-5536.php
2013-12-02T14:47:08 < trepidaciousMBR> Looks kind of ok :) Would be nice with stock kitkat, since apparently the purpose of kitkat is to run on crappy hardware
2013-12-02T14:47:47 < Steffanx> interesting detail: the one project backed by those guys.... the lucid dream inducer :D
2013-12-02T14:47:59 < englishman> 320 x 240 QVGA
2013-12-02T14:48:02 < englishman> have fun
2013-12-02T14:48:41 < dongs> Steffanx: lol!!
2013-12-02T14:48:49 < dongs> oh wow
2013-12-02T14:48:55 < dongs> and that one was outright scam
2013-12-02T14:49:11 < englishman> also montreal, maybe they are buds
2013-12-02T14:49:25 < trepidaciousMBR> I'd be quite interested in a really genuinely small smartwatch, maybe with an old school non-backlit LCD screen for decent battery life, for notifications/texts etc.
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2013-12-02T14:50:00 < dongs> apparently 4.4 already exists for desire200
2013-12-02T14:50:29 < Steffanx> if it's really a pcb of a phone you must be able to find it
2013-12-02T14:50:30 < jpa-> dongs: well, completely legitimate explanations would also be possible: 1. microsd is a pretty ok solution for internal storage if you care about price more than speed  2. maybe they had earlier revision of the case that was a different shape
2013-12-02T14:50:47 < Steffanx> the pcb of like every phone is on the interwebs
2013-12-02T14:51:04 < dongs> jpa-: 1) they specifically claimed they were using MCP ddr3/nand package which was "rare"
2013-12-02T14:51:10 < dongs> which is why they couldnt add > 512meg ram
2013-12-02T14:51:18 < dongs> so SD isn't used for storage
2013-12-02T14:51:30 < dongs> 2) their earlier revision of case is on their site, and it doenst look all that much diff
2013-12-02T14:51:34 < jpa-> sure it can be used for storage, for user data instead of OS
2013-12-02T14:51:37 < dongs> its definitely not curved or anything
2013-12-02T14:51:44 < dongs> jpa-: they're not saying this anywhere.
2013-12-02T14:51:57 < dongs> it IS most likely waht its used for, but they're not telling.
2013-12-02T14:51:57 < jpa-> but yeah, might as well be a scam
2013-12-02T14:52:11 < dongs> so 16/32gig SKU is just swapping in different SD card
2013-12-02T14:52:14 < dongs> and declaring victory.
2013-12-02T14:52:21 < dongs> but SD is pretty shit, compared even to cheap nand
2013-12-02T14:52:26 < dongs> access-speed/etc wise
2013-12-02T14:52:38 < jpa-> yeah
2013-12-02T14:53:07 < zyp> well, you're also paying for the flash controller
2013-12-02T14:53:17 < zyp> I mean, wear levelling and shit
2013-12-02T14:53:45 < jpa-> but usually it is pretty bad at that also.. horrible latencies
2013-12-02T14:54:09 < zyp> true
2013-12-02T14:54:17 < zyp> either way, it saves you from having to deal with it
2013-12-02T14:54:42 < jpa-> yeah.. a big bonus for low-level stuff, but if they run linux anyway they can just use mtd
2013-12-02T14:55:44 < dongs> does lunix mtd shit deal with wear leveling?
2013-12-02T14:55:54 < dongs> i thought it was just lowlevel driver for crap
2013-12-02T14:56:19 < zyp> isn't mtd just blockdev access?
2013-12-02T14:56:25 < dongs> ^
2013-12-02T14:56:31 < zyp> wear levelling would be jffs and stuff like that
2013-12-02T14:56:36 < jpa-> hmm yeah.. i guess wear leveling has to be given on the filesystem level
2013-12-02T14:56:47 < jpa-> but premade solutions exist, anyway
2013-12-02T14:57:20 < dongs> isnt jffs r/o
2013-12-02T14:57:21 < zyp> how come «everyone» is using mmc nowadays then?
2013-12-02T14:57:28 < zyp> emmc*
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2013-12-02T14:57:59 < jpa-> because it is easier and good enough :P
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2013-12-02T14:59:10 < qyx_> no, jffs is rw
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2013-12-02T15:00:29 < jpa-> i wonder if there are no good solutions for software-based FAT write balancing on linux, then? because USB MTP is what it is, a lot of devices still need to use FAT :(
2013-12-02T15:01:32 < zyp> fat32-formatted file on jffs? :p
2013-12-02T15:01:56 < jpa-> i wonder whether it would be ok or horribly bad :)
2013-12-02T15:02:33 < zyp> probably depends on your perspective
2013-12-02T15:03:47 < jpa-> anyway, predictable latency SD cards would be really nice.. i wonder if it is just a matter that no-one makes one, because it doesn't seem that impossible to prioritize the writing to avoid long stalls
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2013-12-02T15:11:54 < dongs> With our integrated accelerometer and gyroscope your Nymi can pick up on your movements, allowing for simple gesture recognition. You can use your gestures to perform task-specific commands, such as opening your door or popping your trunk.
2013-12-02T15:12:08 < dongs> i have a gesture for popping trunk too
2013-12-02T15:12:22 < dongs> i'm pretty fucking sure its simpler than waving some bullshit web3.0 faggot wristband
2013-12-02T15:12:31 < dongs> solution looking for a problem.
2013-12-02T15:12:37 < dongs> http://www.getnymi.com/
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2013-12-02T16:06:03 < Robint91> hi all
2013-12-02T16:06:12 < Robint91> who know a crossplatfrom C threading library?
2013-12-02T16:07:56 < Steffanx> boost::thread?
2013-12-02T16:08:04 < Steffanx> oh, that's c++
2013-12-02T16:08:17 < jpa-> glib, if you don't need to go embedded
2013-12-02T16:08:19 < Steffanx> but one shouldn't use C anyway :P
2013-12-02T16:08:32 < jpa-> pthreads otherwise, it ports to nuttx and retrobsd :P
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2013-12-02T16:09:49 < dongs> haha pthreads.
2013-12-02T16:10:16 < jpa-> indeed
2013-12-02T16:11:04 < Laurenceb> also known as goto
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2013-12-02T16:11:51 < zyp> f429disco finally arrived
2013-12-02T16:12:30 < Steffanx> Yay. No extra import tax?
2013-12-02T16:12:57 < zyp> dunno, dhl will bill me later if that's the case
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2013-12-02T16:14:13 < Tectu> I was always wondering... for what purposes would one use the CRC unit? It appears that every single STM32 has that one
2013-12-02T16:14:47 < zyp> for checksumming stuff, obviously
2013-12-02T16:14:51 < fbs> error detection in large transfers?
2013-12-02T16:14:59 < jpa-> some appnote uses it to checksum firmwares, iirc
2013-12-02T16:15:13 < jpa-> and iirc the CRC32 used was the same as for some ethernet stuff
2013-12-02T16:15:19 < Robint91> on windoze?
2013-12-02T16:15:20 < dongs> tectu, always asking silly shit
2013-12-02T16:15:34 < dongs> i remember reading something about it being not compatible to actual proper crc32
2013-12-02T16:15:34 < jpa-> Robint91: glib then
2013-12-02T16:15:39 < dongs> polynomial is wrong or somethign
2013-12-02T16:15:50 < dongs> Robint91: why the fuck doy ou need crossplatform on windows?
2013-12-02T16:15:52 < jpa-> there are bazillion crc polynomials around
2013-12-02T16:16:01 < Robint91> Tectu, I use it to check firmware updates
2013-12-02T16:16:12 < Tectu> interesting
2013-12-02T16:16:14 < Robint91> dongs, I need to target windows and linux
2013-12-02T16:16:15 < Tectu> thanks folks
2013-12-02T16:16:21 < dongs> i'm sorry for you.
2013-12-02T16:16:22 < jpa-> but in most cases software implementation would be almost as fast
2013-12-02T16:16:28 < dongs> why not just use QT or wahtever trash.
2013-12-02T16:16:28 < Tectu> Robint91, don't tell dongs you have to target linux, he'll just be sorry for you
2013-12-02T16:16:32 < Tectu> and there we go...
2013-12-02T16:16:36 < dongs> Tectu: youre slow.
2013-12-02T16:17:05 < Tectu> dongs, please tell me in which aspect Qt is related to trash.
2013-12-02T16:17:16 < Laurenceb> so use wine
2013-12-02T16:17:19 < Laurenceb>  :P
2013-12-02T16:17:22 < jpa-> windows & linux is still ok'ish.. but it's nasty having to target mac when you don't own a mac and can't even get a pirated version to run properly in vm
2013-12-02T16:17:33 < Tectu> LOL
2013-12-02T16:17:46 < Laurenceb> even dongs hates mac
2013-12-02T16:18:18 < jpa-> i'm wondering whether to retry that illegal hackintosh install in vm, or to try some darwin shit
2013-12-02T16:18:30 < jpa-> or just tell mac users to go away
2013-12-02T16:18:33 < Laurenceb> is that like darwin awards?
2013-12-02T16:18:53 < zyp> 15:15:13 < jpa-> and iirc the CRC32 used was the same as for some ethernet stuff
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2013-12-02T16:18:56 < zyp> it's configurable
2013-12-02T16:18:56 < jpa-> yes, except after you've proven yourself stupid you can still spread your genes
2013-12-02T16:19:13 < zyp> I think you can use it with any polynomial
2013-12-02T16:19:50 < jpa-> oh yeah, and CRC unit has that IDR register.. i love that register
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2013-12-02T16:48:03 < talsit> jpa-: just get atkos
2013-12-02T16:48:10 < talsit> easily installable on virtualbox
2013-12-02T16:48:46 < talsit> iatkos
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2013-12-02T16:51:16 < jpa-> looks interesting
2013-12-02T16:51:47 < talsit> it's not the smoothest or fastest, but that's what i use for building mac apps
2013-12-02T16:52:03 < jpa-> yeah, i don't need anything special either
2013-12-02T16:52:25 < talsit> get the ML one
2013-12-02T16:52:34 < talsit> and make sure to set up the display before installing
2013-12-02T16:53:10 < jpa-> hmm.. L2 might be better for me as it would be great if i can run it on my atom server
2013-12-02T16:53:47 < Steffanx> atom.. lol.
2013-12-02T16:53:50 < talsit> i got both just incase
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2013-12-02T16:55:41 < Steffanx> What kind of fancy atom server you have jpa-?
2013-12-02T16:56:38 < jpa-> Steffanx: intel d510mo
2013-12-02T16:59:01 < dongs> eww atom
2013-12-02T17:00:33 < Steffanx> You can also support this darwing 4 arm project and port some gui jpa- :P
2013-12-02T17:00:37 < Steffanx> *-g
2013-12-02T17:01:58 < talsit> my main box is an atom
2013-12-02T17:01:59 < jpa-> that helps a lot for building mac binaries :D
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2013-12-02T17:02:24 < Steffanx> talsit, your are kidding not?
2013-12-02T17:02:54 < talsit> i thought that's what we do on this channel
2013-12-02T17:03:03 < Steffanx> You don't.
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2013-12-02T17:13:31 < trepidaciousMBR> I used to use jffs2 as a r/w filesystem on nor flash, it seemed fine, I'm not aware of it going wrong anyway ;)
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2013-12-02T18:17:18 < Robint91> mhh
2013-12-02T18:17:24  * Robint91 has still a license of attolic
2013-12-02T18:17:25 < Robint91> pro
2013-12-02T18:20:08 < dongs> paying for eclipse
2013-12-02T18:20:11 < dongs> is kinda lame
2013-12-02T18:21:18 < gxti> gimped eclipse
2013-12-02T18:21:45 < dongs> it has icons made with the gimp?
2013-12-02T18:21:59 < gxti> probably
2013-12-02T18:25:25 < Steffanx> windows pros use photoshop..
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2013-12-02T18:25:55 < gxti> but it's eclipse so the icons they were too lazy to replace will be gimped. not that that's what i meant to begin with.
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2013-12-02T18:26:22 < dongs> well aware. just trollin' as usual.
2013-12-02T18:26:24 < gxti> or (d)inkscaped
2013-12-02T18:27:03 < Steffanx> <3 gxti
2013-12-02T18:27:06 < dongs> speaking of dinkskape
2013-12-02T18:27:07 < dongs> https://bitbucket.org/boldport/pcbmode
2013-12-02T18:27:12 < dongs> ridiculous to the max
2013-12-02T18:27:41 < Steffanx> déjà vu
2013-12-02T18:28:01 < dongs> oh sorry was it you who tweeted that shit?
2013-12-02T18:28:18 < Steffanx> No you
2013-12-02T18:28:23 < Steffanx> or Laurenceb
2013-12-02T18:28:26 < gxti> meta-x pcb-mode
2013-12-02T18:28:30 < Steffanx> or .. it doesn't matter who
2013-12-02T18:28:40 < gxti> or something like that, i don't use emacs
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2013-12-02T18:30:08 < gxti> i don't see anything wrong with having a tool to turn svg into gerber, but using that as the entire basis for layout is silly
2013-12-02T18:30:35 < gxti> even basic mechanical shit in inkscape drives me nuts, when i was prototyping faceplates for ponoko
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2013-12-02T18:31:22 < jpa-> well if you look at the kind of boards he does with it (http://boldport.blogspot.com), it kind of makes sense
2013-12-02T18:31:58 < dongs> god damn artfag
2013-12-02T18:31:58 < gxti> yyyyyeah
2013-12-02T18:32:39 < jpa-> definitely artsy :D   http://2.bp.blogspot.com/-7Q5oPFYJu2s/USOtapFehVI/AAAAAAAADA8/BIOmGCMt_pQ/s1600/pieceof_rev_a_1.jpeg
2013-12-02T18:35:00 < Steffanx> Doesn't look that bad.. if you are into crap.
2013-12-02T18:35:12 < dongs> it needs to be dip
2013-12-02T18:35:49 < Thorn> look at this component placement http://1.bp.blogspot.com/-IOebgfU1Owc/UpiShaTjWBI/AAAAAAAADWc/-CFzcDv5dQQ/s1600/breakout_5.png
2013-12-02T18:36:09 < Thorn> because you'll never see this shit again
2013-12-02T18:36:35 < Thorn> (thankfully)
2013-12-02T18:36:58 -!- grummund_ is now known as grummund
2013-12-02T18:43:43 < Robint91> dongs, that is just the odd thing about it
2013-12-02T18:43:49 < Robint91> I never paid
2013-12-02T18:43:56 < Robint91> I went only to a ST seminar
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2013-12-02T18:47:00 < dongs> well thats not to bad then
2013-12-02T18:47:08 < dongs> at least i think it has a debugger
2013-12-02T18:47:11 < dongs> unlike other opensauce
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2013-12-02T19:40:13 < trepidaciousMBR> Thorn: That is the most awesome PCB I've ever seen :)
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2013-12-02T19:44:50 < Laurenceb> anyone know how do disable HID mode on bluetooth modules?
2013-12-02T19:45:00 < Laurenceb> ive got a module stuck in HID mode
2013-12-02T19:45:30 < Laurenceb> it wont accept rfcomm connections
2013-12-02T19:45:41 < dongs> ragecomm
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2013-12-02T20:19:00 < jpa-> Laurenceb: usually you talk to them through the usart interface with a "mode" pin in specific state
2013-12-02T20:19:22 < jpa-> but it depends on module
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2013-12-02T20:39:23 < Laurenceb> ah yeah
2013-12-02T20:39:35 < Laurenceb> got it working now with usart
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2013-12-02T22:26:49 < zyp> pth connectors is not completely undestroyable, apparently
2013-12-02T22:27:08 < Steffanx> what did you do to it?
2013-12-02T22:27:29 < zyp> got one of the boards I sold back, connector has ripped out the entire plating from the holes with the pins
2013-12-02T22:31:37 < ds2> Nice
2013-12-02T22:31:51 < ds2> time to yell at your board fab for not making their plating mechanically strong ;)
2013-12-02T22:32:04 < zyp> http://bin.jvnv.net/f/g1Ja8.JPG
2013-12-02T22:32:22 < zyp> dunno what's up with all the fibres, guess the guy dropped it on a carpet or something
2013-12-02T22:32:33 < zyp> http://bin.jvnv.net/f/s177m.JPG
2013-12-02T22:32:49 < Steffanx> oh, usb connector
2013-12-02T22:33:08 < zyp> I should probably consider not having thermal relief on the shield pads
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2013-12-02T23:18:39 < emeb> wow
2013-12-02T23:18:56 < emeb> amazed that the signal pads didn't lift off too.
2013-12-02T23:19:30 < Steffanx> The solder was too weak there :)
2013-12-02T23:19:37 < Steffanx> *soldering
2013-12-02T23:19:44 < emeb> must be
2013-12-02T23:20:03 < emeb> time for stronger solder. Maybe some of that steel-reinforced stuff. :P
2013-12-02T23:20:07 < Steffanx> and i guess most of the force was downwards there?
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2013-12-02T23:37:18 < fbs> could always make 2 extra holes and a tyrap
2013-12-02T23:43:15 < ds2> hmmm
2013-12-02T23:59:04 < emeb> yo ds2
2013-12-02T23:59:10 < ds2> hey emeb
2013-12-02T23:59:32 < emeb> what are the high-side current monitors for?
--- Day changed Tue Dec 03 2013
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2013-12-03T00:00:27 < ds2> monitoring power usage
2013-12-03T00:00:33 < emeb> :P
2013-12-03T00:00:36 < ds2> seriously
2013-12-03T00:00:47 < ds2> those giant SoC dev boards, they use them to give reports of power on each rail
2013-12-03T00:00:56 < emeb> aha.
2013-12-03T00:01:18 < ds2> I am looking at them cuz I am looking for a way to do a longer term measurement on power usage of devices
2013-12-03T00:01:37 < ds2> problem is they have an ugly knee in the middle of the useful range for me
2013-12-03T00:01:52 < emeb> can you calibrate that out?
2013-12-03T00:02:02 < ds2> not based on the experiments I did
2013-12-03T00:02:17 < ds2> that knee area seems to be hugely non linear and almost random :(
2013-12-03T00:02:41 < ds2> almost makes me think it is an oscillation or something (didn't scope it)
2013-12-03T00:04:52 < ds2> let me upload a plot fo what I am seeing
2013-12-03T00:05:15 < emeb> interesting
2013-12-03T00:05:47 < ds2> http://www.hy-research.com/tmp/foo.png
2013-12-03T00:06:05 < ds2> i can convert if your browser doesn't do pngs... my gnuplot didn't do jpegs :(
2013-12-03T00:06:27 < emeb> got it
2013-12-03T00:06:40 < emeb> that is odd looking.
2013-12-03T00:06:57 < ds2> yes
2013-12-03T00:07:09 < ds2> but the datasheet did mention different regions of operation...
2013-12-03T00:07:19 < emeb> non-monotonic = bad. agree that you can't calibrate that out because now 3 inputs map to one output.
2013-12-03T00:07:29 < ds2> yep
2013-12-03T00:07:52 < emeb> basically all inputs < 20 are useless.
2013-12-03T00:07:58 < ds2> and I have a MSP430 dev board all setup to log this...almost one more detail
2013-12-03T00:08:35 < ds2> the big numbers are number of mA's...small number is the output in mV of the chip
2013-12-03T00:10:26 < emeb> It's probably worth looking at the output signal in realtime on a scope to check if there's an oscillation at low currents.
2013-12-03T00:10:52 < ds2> but even if it is, is there anything that can be done?
2013-12-03T00:11:12 < emeb> depends on if the amplifier nodes are accessible.
2013-12-03T00:11:21 < ds2> the datasheet seems to suggests this is kind of a limitation of the single supply amps
2013-12-03T00:11:37 < emeb> if you have access to the op-amp +/- and output you can put a snubber cap in the feedback.
2013-12-03T00:12:00 < ds2> the answer there is practically none... it is a SOT-23 package...there is a V+, GND in... a Out, and +/- diff input
2013-12-03T00:12:02 < emeb> roll off the HF gain and stabilize it.
2013-12-03T00:12:17 < emeb> ah - too bad.
2013-12-03T00:12:36 < ds2> other then this little detail, it is the prefect data logger :(
2013-12-03T00:12:58 < emeb> how are you testing it to generate that curve?
2013-12-03T00:13:17 < emeb> ie - are you certain that the stimulus signal you're providing is clean?
2013-12-03T00:13:28 < emeb> (stable current)
2013-12-03T00:14:01 < ds2> power supply driving a resistor
2013-12-03T00:14:24 < ds2> I am twiddling knobs on the power supply in constant current mode. also have a DMM in the loop to confirm the current
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2013-12-03T00:15:35 < ds2> so far this power supply (alas of uncertain parentage) has proven to be reliable
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2013-12-03T00:34:14 < emeb> should be OK
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2013-12-03T02:03:52 < dongs> haha
2013-12-03T02:03:56 < dongs> so neptunefaggots replied
2013-12-03T02:04:17 < dongs> The MCP package gives the Pine its RAM and its "internal" memory for its OS. The TF card on the board that you see gives the Pine its storage memory for apps, music, etc.
2013-12-03T02:04:27 < dongs> so thats the 16/32gig thing
2013-12-03T02:05:41 < dongs> and still stalling tactics for pics
2013-12-03T02:05:49 < dongs> "this thursday we receive new prototype boards"
2013-12-03T02:05:58 < dongs> why? you al ready have working prototypes
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2013-12-03T02:31:15 < emeb> new ones = better.
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2013-12-03T06:51:18 < upgrdman> making progress on my cc2500 transmitter!  http://www.youtube.com/watch?v=YUP5PVQOegU
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2013-12-03T06:57:32 < GargantuaSauce> nice control/telemetry ui
2013-12-03T06:57:49 < GargantuaSauce> what sort of protocol are you using?
2013-12-03T07:00:26 < upgrdman> rs232 for robot -> pc comm
2013-12-03T07:00:36 < upgrdman> cc2500 for tx -> robot comm
2013-12-03T07:00:50 < GargantuaSauce> ohh thought the pc was using the rf link too
2013-12-03T07:01:00 < upgrdman> nope
2013-12-03T07:01:14 < upgrdman> pc is just for displaying data... read only
2013-12-03T07:01:36 < upgrdman> although i have been toying with the idea of using the pc for control with a bluetooth rs232 adapter
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2013-12-03T10:52:14 < Steffanx> meh, this upgrdman is always here when im not..
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2013-12-03T13:49:33 < zyp> hmm, cortex-m0 doesn't have SCB_CFSR
2013-12-03T13:49:43 < zyp> it hardfaults and I dunno why
2013-12-03T13:50:26 < jpa-> uh.. that sounds nasty
2013-12-03T13:51:28 < zyp> hmm, I seem to recall that the readdition of that was one of the improvements in the m0+
2013-12-03T13:52:15 < jpa-> though if it is an easy hardfault, looking at the instruction and registers may let you guess
2013-12-03T13:53:15 < zyp> I'm trying to build one of the examples
2013-12-03T13:54:18 < zyp> uh, apparently it hardfaults before executing main
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2013-12-03T14:11:42 < zyp> wtf
2013-12-03T14:11:43 < zyp> http://paste.jvnv.net/view/Nmc7k
2013-12-03T14:12:01 < zyp> r6 is 0xffffffff at this point
2013-12-03T14:12:09 < zyp> and what's up with the symbols?
2013-12-03T14:12:38 < zyp> is this instructions at all?
2013-12-03T14:15:42 < dongs> your lunix is building m3 code for m0?
2013-12-03T14:16:07 < zyp> no, it's set to build for m0
2013-12-03T14:16:32 < zyp> I'm trying to build some example code
2013-12-03T14:16:43 < zyp> I built a simpler example yesterday, worked fine
2013-12-03T14:16:47 < Laurenceb> http://en.wikipedia.org/wiki/LUnix
2013-12-03T14:17:09 < zyp> this example is integrating with the proprietary btle stack from nrf
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2013-12-03T14:34:43 < Laurenceb> http://www.raspberrypi.org/
2013-12-03T14:35:13 < Laurenceb> reichberry pi
2013-12-03T14:35:51 < zyp> ah, looks like shit is being broken by --gc-sections
2013-12-03T14:36:21 < zyp> I guess the custom linker script they've written doesn't properly preserve some code
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2013-12-03T15:45:16 < zyp> wtf, now jlink is refusing to erase/flash the chip
2013-12-03T15:45:35 < Laurenceb> failcity
2013-12-03T15:46:02 < zyp> I thought jlink was supposed to just work, with it being a «proper tool» and all
2013-12-03T15:46:59 < Laurenceb> in b4 dongs
2013-12-03T15:52:32 < Laurenceb> http://drop-kicker.com/2013/11/snooperscope-infrared-camera-for-iphone-plagiarizes-magazine-from-1951-for-no-reason/#more-621
2013-12-03T16:00:19 < Steffanx> nothing there about this new smart watch..
2013-12-03T16:00:27 < dongs> old
2013-12-03T16:00:55 < dongs> tehy still ahvent sent me pics
2013-12-03T16:01:12 < dongs> now they're waiting for "new prototype pcbs"
2013-12-03T16:01:12 < dongs> that will arrive on "thursday"
2013-12-03T16:01:12 < dongs> I said, I don't mind looking at old prototypes
2013-12-03T16:01:23 < Laurenceb> of what?
2013-12-03T16:02:14 < Steffanx> your mom
2013-12-03T16:02:36 < dongs> snort
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2013-12-03T16:05:37 < Steffanx> Laurenceb, neptune smart watch
2013-12-03T16:05:56 < Steffanx> oh, it's called Neptune Pine
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2013-12-03T16:38:36 < karlp> lame, new CFO at work says we can't make personal orders alongside work orders and get it taken out of our pay anymore, as it's "not our business"
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2013-12-03T16:38:47 < karlp> lame lame
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2013-12-03T16:41:17 < Viper168_> karlp, I'm your CFO
2013-12-03T16:41:40 < Viper168_> don't make me cook you and eat you
2013-12-03T16:42:48 < Steffanx> That sucks karlp ...
2013-12-03T16:46:29 < jpa-> karlp: too bad.. most companies recognize that as one of the cheapest ways to keep good engineers :P
2013-12-03T16:46:43 < karlp> yeah, she's brand new, I expect this will get reversed.
2013-12-03T16:46:50 < karlp> or I certainly hope it does.
2013-12-03T16:47:08 < jpa-> Viper168_: are you the kind of person who cooks people if they tell what you did (without lying or revealing any secrets)?
2013-12-03T16:52:22 < fbs> lol women in tech
2013-12-03T16:53:23 < fbs> Laurenceb: youre making a data logger right?
2013-12-03T16:53:39 < dongs> dataBLOGGER
2013-12-03T16:53:49 < fbs> with twitter feed?
2013-12-03T17:12:23 < Laurenceb> no
2013-12-03T17:12:27 < Laurenceb> no twat feed
2013-12-03T17:12:46 < Laurenceb> but i make dataloggers yes
2013-12-03T17:17:05 < dongs> looks like Laurenceb just got obsoleted
2013-12-03T17:17:06 < dongs> Get Full Digital Telemetric Data Without the Design Headaches
2013-12-03T17:17:08 < dongs> Intersil's new ZL2102 6A, fully integrated digital switching regulator with auto compensation is the ideal building block for even the most sophisticated infrastructure power system applications.
2013-12-03T17:17:28 < Laurenceb> wut
2013-12-03T17:20:44 < Thorn> The board was mounted inside a clear plastic case and the assembly gets glued onto the back of the cow just above her tail.  When an 1,800 lb bull mounts her the housing compresses and closes a small micro-switch.  The processor counts the number of mounts over a certain period of time with a surprisingly complex and proprietary algorithm.
2013-12-03T17:21:07 < Thorn> I wonder what was so magical about that algorithm.
2013-12-03T17:23:29 < Laurenceb> lolz
2013-12-03T17:25:25 < jpa-> Thorn: probably debouncing :)
2013-12-03T17:27:10 < Thorn> "See, this cow has been fucked 28 times per second on average. - What?! - Um, sorry, the debouncing code was accidentally commented out."
2013-12-03T17:29:13 < Laurenceb> thats why my milk is curdled
2013-12-03T17:46:54 < Robint91> attn dongs http://www.st.com/web/en/press/p3460
2013-12-03T17:48:14 < Laurenceb> ooh
2013-12-03T17:48:27 < Laurenceb> omg a pedometer
2013-12-03T17:49:12 < Laurenceb> 1.8v, nice
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2013-12-03T18:41:45 < karlp> you can't do signed adc conversions with stm32 right?  is the easiest way to make it signed << 4, then >> 4 to get sign extension? or is there an xor trick to make it faster?
2013-12-03T18:42:12 < zyp> xor msb
2013-12-03T18:42:23 < karlp> (I know you can do offset removal with the injected channels, but it's not on the regular channels)
2013-12-03T18:42:36 < karlp> but if the top 4 bits are always zero, how does that work?
2013-12-03T18:42:41 < zyp> ah, true
2013-12-03T18:42:48 < emeb> shift up, xor msb, arithmetic shift down
2013-12-03T18:42:50 < zyp> then just do a subtraction
2013-12-03T18:43:16 < emeb> ^this
2013-12-03T18:43:23 < karlp> just cast to int and subtract 2^11 was my idea,
2013-12-03T18:43:29 < zyp> hmm, probably doesn't matter much
2013-12-03T18:43:37 < karlp> why do you still need the xor msb emeb?
2013-12-03T18:43:44 < zyp> you don't
2013-12-03T18:44:11 < emeb> if you don't xor the msb then you'll get an inverted result
2013-12-03T18:44:23 < emeb> you're treating an offset binary value like it was 2s complement
2013-12-03T18:44:26 < karlp> ah, because the high bit means the most postiive, not the negative.
2013-12-03T18:44:30 < emeb> right
2013-12-03T18:46:07 < emeb> if you've got a 12-bit OB value, subtracting 2048 will turn it into a 16-bit signed though.
2013-12-03T18:46:28 < emeb> (or 32-bit or whatever)
2013-12-03T18:46:59 < karlp> yeah, so unsigned blah = adc_reading; int magically_signed = blah; magically_signed -= 2048
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2013-12-03T18:47:17 < zyp> yep
2013-12-03T18:47:23 < emeb> bingo
2013-12-03T18:47:30 < karlp> works for me, easy to follow.
2013-12-03T18:48:12 < zyp> this is assuming that reading 2048 is your actual 0
2013-12-03T18:48:28 < zyp> if you have a bias around the zero, you can adjust that to get rid of it
2013-12-03T18:48:53 < emeb> if it's an AC signal and you don't care about the DC value then just run it through a DC blocker.
2013-12-03T18:49:14 < emeb> DSP equivalent of a series cap
2013-12-03T18:50:34 < karlp> well, it's going into a dsp bandpass anyway, just having a few edge case problems, and reviewing allt he maths
2013-12-03T18:50:53 < karlp> learning the bits of the dsp code that I didn't really understand teh first time.
2013-12-03T18:51:15 < emeb> BPF should do it
2013-12-03T18:51:32 < zyp> yeah, a bandpass should eliminate DC bias anyway
2013-12-03T18:51:35 < karlp> but, if it is just going into bpf, can I just treat it as signed as it is, without subtracting 2048?
2013-12-03T18:51:45 < emeb> probably don't even need to do the signed conversion if you're going into the BPF.
2013-12-03T18:52:34 < karlp> hrmm, as long as I make sure not to overflow the top of the input values to the bpf though,
2013-12-03T18:52:44 < karlp> and that's where I need to get teh scaling right.
2013-12-03T18:52:56 < emeb> what's the wordsize of the BPF input?
2013-12-03T18:53:09 < emeb> if it's > 12 bits then you should be OK
2013-12-03T18:53:35 < karlp> yeah, using the q31 arm cmsis-dsp
2013-12-03T18:53:52 < karlp> was getting a weird case of -1 output for dc inputs,
2013-12-03T18:54:11 < karlp> think I was breaking the maths and then using bad inputs to the sum of squares.
2013-12-03T18:54:15 < emeb> -1 on a q31? That's insignificant
2013-12-03T18:54:36 < emeb> or is that full-scale negative?
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2013-12-03T18:55:02 < karlp> it was -1 after reshifting back down,
2013-12-03T18:55:10 < karlp> not full scale negative, but not as zero as it was meant to be.
2013-12-03T18:55:43 < emeb> sounds like a rounding / truncation issue.
2013-12-03T18:56:03 < karlp> yeah, the modeeling in scipy works a lot better now than with the old co-effs, and I understand it better,
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2013-12-03T18:56:18 < karlp> just got to gtet the same values out of the cmsis-dsp code now.
2013-12-03T18:57:02 < emeb> it's always fun getting the sim & implementation code to match.
2013-12-03T18:57:16  * emeb spends a lot of time doing that w/ Matlab & VHDL
2013-12-03T18:58:13 < karlp> well, it was enlightening to see the modelling of the old coefficients we'd blindly taken from god knows where
2013-12-03T18:58:22 < karlp> it worked, but not nearly as good as it could be :)
2013-12-03T18:58:43 < emeb> provenance is key.
2013-12-03T19:30:42 < karlp> yup, truncating at the wrong stage in teh sumof squares accumulation
2013-12-03T19:30:58 < karlp> before I had 0.99, 0.7 and 1 for small signal, bad signal, dc.
2013-12-03T19:31:08 < karlp> now I have 103k, 4k, 800
2013-12-03T19:31:15 < karlp> so way better separation
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2013-12-03T19:52:35 < Tectu> Laurenceb, STM32F429I-Discovery with ChromART: http://forum.chibios.org/phpbb/download/file.php?id=516
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2013-12-03T20:12:11 < TitanMKD> hi
2013-12-03T20:20:18 < jpa-> emeb: what is the favourite file compression format on mac? i guess it supports most, but is there something that is preferred?
2013-12-03T20:23:10 < zyp> compression for what?
2013-12-03T20:23:24 < jpa-> a source code archive
2013-12-03T20:23:41 < jpa-> (with a few prebuilt binaries)
2013-12-03T20:23:53 < zyp> either zip or tgz
2013-12-03T20:24:34 < GargantuaSauce> 7zip all day erryday
2013-12-03T20:26:23 < jpa-> yeah, i guess tgz is fine
2013-12-03T20:26:58 < emeb> jpa-: I generally use zip
2013-12-03T20:27:33 < jpa-> i need to preserve +x though
2013-12-03T20:27:51 < emeb> zip doesn't preserve acls?
2013-12-03T20:28:02 < jpa-> dunno if it has improved?
2013-12-03T20:28:45 < fbs> lets see
2013-12-03T20:28:47 < zyp> I think it does
2013-12-03T20:29:12 < fbs> it does here
2013-12-03T20:29:24 < fbs> zip -r archive.zip files
2013-12-03T20:31:03 < jpa-> ah, it does
2013-12-03T20:32:14 < jpa-> tgz compresses slightly better though :P
2013-12-03T20:33:17 < jpa-> but yeah, good that it doesn't matter
2013-12-03T20:34:07 < fbs> tar.xz
2013-12-03T20:44:33 < jpa-> hmm, now i have prebuilt packages of the nanopb generator & dependencies for windows, linux and mac
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2013-12-03T23:25:33 < karlp> high quality antenna on this rtl-sdr stick I got.
2013-12-03T23:25:56 < karlp> couldn't get the whip to screw onto the cable/mount thingy it came with, then it started rattling
2013-12-03T23:26:12 < karlp> opened it up and the screw pole isn't attached to the thiny coax inside the base at all.
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2013-12-03T23:52:21 < BrainDamage> that's pretty common, they are awful
2013-12-03T23:52:27 < BrainDamage> you're lucky you got a coax at all
2013-12-03T23:52:38 < BrainDamage> some have simple bifilar line
--- Day changed Wed Dec 04 2013
2013-12-04T00:01:19 < karlp> well, it sort of looks like coax, it has a plastic sheath around a single strand
2013-12-04T00:01:33 < karlp> a nd a lot of loose strands on the outside
2013-12-04T00:01:49 < karlp> can't pick up fm radio though as far as I can tell, I thought that ws meant to be easy
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2013-12-04T00:59:59 < emeb> heh
2013-12-04T01:00:17 < emeb> I've always suspected those RTL dongles RF cabling was bogus.
2013-12-04T01:00:47 < BrainDamage> the dongle itself is solid
2013-12-04T01:01:14 < BrainDamage> it's the mini antenna with the cable that's crap
2013-12-04T01:01:24 < BrainDamage> some are ok
2013-12-04T01:01:36 < BrainDamage> but people tend to go for cheapest
2013-12-04T01:03:22 < emeb> yeah. I've bought some adapters for the MCX and PAL connectors on the ones I have and use real coax.
2013-12-04T01:07:14 < karlp> mcx is the push fit little tiny thing on the dongle?
2013-12-04T01:07:20 < Steffanx>  oh, spacex launch just happened. Why no one told me?
2013-12-04T01:07:28 < karlp> now I just need to know what on earth to do with it,
2013-12-04T01:07:46 < karlp> I thought I'd be able to at least see local fm radio on the waterfall in 90-100MHz, but nothing
2013-12-04T01:08:13 < BrainDamage> get 75 cm wire
2013-12-04T01:08:16 < Steffanx> No? Then your dongle must be pretty bad..
2013-12-04T01:08:20 < BrainDamage> and connect to the central pin
2013-12-04T01:08:44 < BrainDamage> the outer pin to anything metallic and large below the wire
2013-12-04T01:08:51 < BrainDamage> and you have a decent 100MHz antenna
2013-12-04T01:09:05 < BrainDamage> heck, I use coat hangers sometimes
2013-12-04T01:09:25 < BrainDamage> also, ##rtlsdr
2013-12-04T01:09:40 < BrainDamage> what program are you using to decode?
2013-12-04T01:09:48 < BrainDamage> sdr#? gqrx?
2013-12-04T01:09:59 < karlp> tried the python waterfall thing in the rtlsdr binding
2013-12-04T01:10:07 < karlp> then fireed up windows and tried out sdr#
2013-12-04T01:10:18 < zyp> I still need to figure out how to demodulate analog tv
2013-12-04T01:10:31 < karlp> shows the same thin trails at odd locations, but nothing expected
2013-12-04T01:10:45 < BrainDamage> is the AGC on or off?
2013-12-04T01:11:02 < karlp> tried both, no real difference
2013-12-04T01:11:47 < BrainDamage> I would suggest trying a simple wire as antenna
2013-12-04T01:12:05 < karlp> might just shelve it and try and buy something with an mcx connector
2013-12-04T01:12:32 < karlp> I don't feel like dicking around with the tiny strand inside this lead that came with it, nor screwing up the fitting on the dongle
2013-12-04T01:12:33 < zyp> BrainDamage, you sound like you know stuff, how can I demodulate the VSB modulated signal of an analog tv channel? :p
2013-12-04T01:13:29 < zyp> http://bin.jvnv.net/f/574ag.png <- I was dicking around with this last week
2013-12-04T01:13:41 < BrainDamage> bandpass around the wanted freq, downshift by multiplying by the usual sine and bandpass, you want a double balanced mixe
2013-12-04T01:13:52 < zyp> I managed to demodulate the FM audio, but I'm not sure about what to do with the video
2013-12-04T01:14:14 < zyp> also, this is with bladerf, not rtlsdr :p
2013-12-04T01:14:46 < BrainDamage> hw doesn't really matter, this is more like signal processing theory ( except how you implement the algo in the end )
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2013-12-04T01:15:21 < zyp> yeah
2013-12-04T01:16:03 < zyp> I just don't really understand this spectrum I'm getting, it seems to be mirrored around the carrier
2013-12-04T01:16:25 < zyp> which should not be the case for VSB
2013-12-04T01:18:11 < BrainDamage> what standard is that? pal?
2013-12-04T01:18:50 < zyp> so I wonder, is that a result of how the complex sampling/processing around the center freq works, or is the modulator in the vcr I used as a source being weird
2013-12-04T01:18:53 < zyp> yeah
2013-12-04T01:19:05 < karlp> waht's meant to be connected to the outside of coax? nthing right?
2013-12-04T01:19:23 < BrainDamage> ideally a large metallic surface acting as ground plane
2013-12-04T01:19:31 < BrainDamage> in many cases, nothing suffices
2013-12-04T01:19:57 < BrainDamage> I would suspect they skimped on the modulator in the vcr
2013-12-04T01:20:18 < BrainDamage> you need 2 mixers in antiphase to cancel one of the images
2013-12-04T01:20:44 < zyp> so I guess this is just plain AM then, and can be demodulated as such
2013-12-04T01:20:44 < BrainDamage> is the signal around 597MHz the audio carrier?
2013-12-04T01:20:52 < zyp> yes
2013-12-04T01:23:28 < BrainDamage> including band guard the pal signal is supposed to be 8 MHz wide, it seems to me if you hypotize it symmetric it's indeed twice the bw
2013-12-04T01:23:39 < BrainDamage> so yes
2013-12-04T01:24:02 < BrainDamage> heck, it's not even carrier suppressed, unless that peak in the mid is an artifact from the demodulator
2013-12-04T01:24:45 < zyp> I believe it is, there's always a peak in the middle regardless of what freq I tune to
2013-12-04T01:25:35 < zyp> http://bin.jvnv.net/f/E77pJ.png <- I was looking at some wlan spectrum before, and it's the same there
2013-12-04T01:25:36 < BrainDamage> ok, then it's either 1/f noise or the receiver's demodulator has a zero-if arch and that's LO beating with itself
2013-12-04T01:26:23 < BrainDamage> (more likely the first since homodyne archs are rare)
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2013-12-04T01:26:40 < zyp> it is zero if
2013-12-04T01:26:48 < zyp> bladerf is based on the lms6002d
2013-12-04T01:28:52 < BrainDamage> k, you might want to tune with offset yourself provided you have sufficient bandwith
2013-12-04T01:29:13 < BrainDamage> and then downshift in software
2013-12-04T01:29:19 < BrainDamage> this will give better dynamic range
2013-12-04T01:29:22 < zyp> I suspected that
2013-12-04T01:30:58 < BrainDamage> there'll be a tradeoff because typically as further you go from center freq, the higher the phase distortion from the filters not being perfectly linear in bandpass, but that's important only if you're splitting hair with SNR
2013-12-04T01:31:26 < BrainDamage> or your modulation is very sensitive to phase errors
2013-12-04T01:31:57 < zyp> I'll have to look into that later
2013-12-04T01:32:11 < zyp> thanks for the hints
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2013-12-04T06:18:13 < dongs> http://desowin.org/usbpcap/
2013-12-04T06:19:56 < emeb> good? bad?
2013-12-04T06:22:00 -!- DanteA [~X@host-124-159-66-217.spbmts.ru] has quit [Ping timeout: 240 seconds]
2013-12-04T06:24:32 < dongs> seems to work
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2013-12-04T06:36:37 < dongs> hmm
2013-12-04T06:36:45 < dongs> I have been told that that element of the system has now been "turned off."  Thank you for brining this to our attention.
2013-12-04T06:36:49 < dongs> Kim
2013-12-04T06:36:54 < dongs> ^ microchip.com legal about clipboard stealing shit
2013-12-04T06:36:59 < dongs> can someone confirm that they really got rid of it
2013-12-04T06:37:05 < dongs> sinec i blocked that trash here.
2013-12-04T06:37:13 < dongs> http://www.microchip.com/pagehandler/en-us/press-release/microchips-pic32mz-32-bit-mcus.html
2013-12-04T06:37:18 < dongs> select a couple lines and try pasting
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2013-12-04T06:42:39 < dongs> http://i.ebayimg.com/t/Tektronix-DPO7354-Digital-Oscilloscope-/00/s/MTIwMFgxNjAw/z/oJ0AAOxy0QBSRWtG/$(KGrHqZHJCoFJCPcof2hBSRWtGRMqw~~60_57.JPG lo
2013-12-04T06:45:31 < dongs> http://www.ebay.com/itm/221262644284 what a deal
2013-12-04T06:47:09 < emeb> buy parts, build your own!
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2013-12-04T08:33:18 < dongs> retweeting http://www.youtube.com/watch?v=WdChmDxKFjY
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--- Log closed Wed Dec 04 10:18:03 2013
--- Log opened Wed Dec 04 10:18:10 2013
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2013-12-04T10:18:10 !leguin.freenode.net [freenode-info] help freenode weed out clonebots -- please register your IRC nick and auto-identify: http://freenode.net/faq.shtml#nicksetup
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2013-12-04T10:52:47 < fbs> :/
2013-12-04T10:59:15 < dongs> deadchats
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2013-12-04T12:01:14 < dongs_> how optional is C1/C2 on 78L05
2013-12-04T12:01:27 < dongs_> datasheet only wants like 0.33uF on input and 0.01uF on output??
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2013-12-04T12:03:07 < zyp> you want the caps to avoid oscillation
2013-12-04T12:04:51 < madist> dongs: most people go with much higher values. it won't harm.
2013-12-04T12:05:17 < dongs> yeah, i know
2013-12-04T12:05:29 < dongs> ive been using 10/10uf on both sides.
2013-12-04T12:06:18 < jpa-> (go too high and it will harm, in several ways.. but 10µF should be ok)
2013-12-04T12:10:12 < akaWolf> jpa-: why will it harm?
2013-12-04T12:11:15 < zyp> big caps usually got bad ESR
2013-12-04T12:11:25 < jpa-> akaWolf: for example, when power is turned off, some regulators may conduct backwards and if you have hundreds of µF on the output, it can burn the reg
2013-12-04T12:11:40 < jpa-> akaWolf: similarly for rush-in current on turn-on, though most regulators do protect against that
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2013-12-04T12:12:27 < jpa-> akaWolf: and generally bigger caps after the reg just tend to worsen the performance.. it control loop in the regulator is not tuned for big capacitances
2013-12-04T12:12:51 < jpa-> though for huge current spikes big caps may be necessary there
2013-12-04T12:13:41 < jpa-> akaWolf: another thing to look out for is low-esr ceramic caps with LDO regulators.. they can oscillate if the ESR is lower than the regulator expects
2013-12-04T12:13:46 < madist> akaWolf: and sometimes you don't want to use very high quality caps on the output.
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2013-12-04T12:13:53 < madist> right.
2013-12-04T12:14:47 < akaWolf> ok, thanks. it's interesting.
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2013-12-04T13:48:30 < Laurenceb> uh oh
2013-12-04T13:48:36 < Laurenceb> rs is selling 3d printers
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2013-12-04T14:35:20 < Laurenceb> "What Is Linduino?
2013-12-04T14:35:20 < Laurenceb> The Linduino development platform consists of an Arduino compatible development board as well as a large library of example firmware. The Linduino One is fully USB isolated and is meant to provide a stable hardware development platform. Example firmware can be downloaded and compiled, giving users a head start in developing..."
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2013-12-04T15:24:01 < Thorn> does this thing use some proprietary chip? http://www.parallax.com/product/28015
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2013-12-04T15:26:52 < dongie> fuck
2013-12-04T15:27:10 < dongie> properietary?
2013-12-04T15:27:14 < dongie> its probably tarduino or some pic
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2013-12-04T15:45:21 < Laurenceb> room temperature superconductor
2013-12-04T15:45:22 < Laurenceb> http://i.imgur.com/Dvzdl1o.jpg
2013-12-04T15:45:58 < Thorn> http://www.seeedstudio.com/wiki/File:SwitchP.jpg
2013-12-04T15:47:12 < Thorn> http://www.seeedstudio.com/wiki/File:Bgpushb1.jpg
2013-12-04T15:47:31 < dongie> fucking MAKE;rs
2013-12-04T15:47:35 < dongie> need to gas them all
2013-12-04T15:47:57 < Thorn> you can't, they have http://www.seeedstudio.com/wiki/File:Twig_-_Gas_Sensor(MQ5).jpg
2013-12-04T15:49:41 < Thorn> most useful shit ever http://www.seeedstudio.com/wiki/Grove_-_RJ45_Adapter
2013-12-04T15:50:19 < dongie> loll..
2013-12-04T15:51:16 < dongie> i2c over ethernet cable?
2013-12-04T15:51:17 < dongie> fuck yes.
2013-12-04T15:51:26 < Thorn> I wonder how many people were disappointed that it's not an ethernet interface
2013-12-04T15:51:33 < dongie> zero
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2013-12-04T15:53:51 < Thorn> http://www.theengineer.co.uk/military-and-defence/news/radio-beam-device-can-disable-car-and-boat-engines-from-50m/1017308.article
2013-12-04T15:57:16 < Laurenceb> old
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2013-12-04T16:50:26 < Laurenceb> omg
2013-12-04T16:50:27 < Laurenceb> http://www.theregister.co.uk/2013/12/04/vulture_2_pixhawk/
2013-12-04T16:50:33 < Laurenceb> no longer perman00b
2013-12-04T16:50:49 < Laurenceb> just epic number of unions nutty
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2013-12-04T20:45:29 < bsdfox> how can I set a breakpoint in some source besides main.c in gdb?
2013-12-04T20:45:46 < bsdfox> if I include pid.c and want to add breakpoints to functions in that file
2013-12-04T20:46:40 < Steffann> filename:function
2013-12-04T20:46:52 < Steffann> *break filename:function/line number
2013-12-04T20:47:12 < gxti> just the function name works fine
2013-12-04T20:47:25 < Steffann> or that.
2013-12-04T20:48:15 < bsdfox> indeed it does, thanks
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2013-12-04T21:15:41 < karlp> gdb's got pretty good tab completion too
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2013-12-05T09:27:56 < Thorn> are these worth having? http://www.ebay.com/itm/Two-X100-250MHZ-Oscilloscope-probes-up-1-2KV-A3125-/290373413740
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2013-12-05T12:55:30 < dongs> fuck
2013-12-05T12:55:43 < Laurenceb_> a duck
2013-12-05T12:55:44 < dongs> some japs blogged about my jewpad adapter and i've got a shitton of peopel asking why i dont have more in stock
2013-12-05T12:55:57 < dongs> time to quickly redesign + remove fail + re-release
2013-12-05T12:56:48 < dongs> ill use 2 wled drivers this itme
2013-12-05T12:57:00 < dongs> TPS61187
2013-12-05T12:57:31 < Laurenceb_> theres a PhD student i know who has spent 2 years trying to make an LED driver...
2013-12-05T12:58:58 < Laurenceb_> maybe i will tell him to use TPS61187 for the lulz
2013-12-05T12:59:12 < Laurenceb_>  + fried TPS
2013-12-05T13:01:04 < fbs> heh wat
2013-12-05T13:03:46 < dongs> wat
2013-12-05T13:04:01 < fbs> jes wat
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2013-12-05T13:38:47 < Steffann> Hmm, why would one use a ldo regulator in a low power battery app instead of a step-down converter? Just because it's cheaper?
2013-12-05T13:41:28 < fbs> cheaper, easier
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2013-12-05T13:46:06 < dongie> did wolftrash alpha remove solve for shit?
2013-12-05T13:46:12 < dongie> OVP = ( ( RUpper / Rdown) + 1 ) * OVPTH solve for Rdown this no longer works
2013-12-05T13:46:35 < dongie> and im 2 dum to manually solve it
2013-12-05T13:46:49 < dongie> (yes this is like algebra101 probly)
2013-12-05T13:46:50 < dongie> if even taht
2013-12-05T13:48:14 < dongie> k
2013-12-05T13:48:20 < dongie> i ahd to use simple letters, x,y,z etc
2013-12-05T13:48:43 < dongie> http://www.wolframalpha.com/input/?i=x%3D%28y%2Fz%2B+1%29*m+solve+for+z
2013-12-05T13:51:08 < fbs> lemme see
2013-12-05T13:51:19 < fbs> works fine?
2013-12-05T13:51:24 < dongie> it does now yes
2013-12-05T13:51:29 < dongie> it didnt work wiht < dongie> OVP = ( ( RUpper / Rdown) + 1 ) * OVPTH solve for Rdown this no longer works
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2013-12-05T13:51:39 < dongie> i had to write it using xyz typ sdhiyt
2013-12-05T13:52:47 < fbs> or just solve on paper
2013-12-05T13:52:49 < fbs> :x
2013-12-05T13:53:29 < Steffann> Meh, why waste your time when you have wa :)
2013-12-05T13:54:01 < dongie> on paper? fuck off
2013-12-05T13:54:04 < dongie> i wouldtn even know where to start
2013-12-05T13:54:05 < fbs> its faster
2013-12-05T13:54:08 < dongie> no fucking way
2013-12-05T13:54:11 < dongie> maybe to you
2013-12-05T13:54:51 < Steffann> Maybe because you don't have to do it every day dongie.
2013-12-05T13:55:31 < dongie> yeah
2013-12-05T13:55:34 < dongie> more like ever
2013-12-05T13:55:53 < fbs> lol
2013-12-05T13:56:04 < Steffann> oh, you are a drop out..
2013-12-05T13:56:12 < Steffann> all INVENTORS are.
2013-12-05T13:56:17 < dongie> yes
2013-12-05T13:56:23 < dongie>  /nick jeri
2013-12-05T13:56:28 < dongie> had you all fooled
2013-12-05T13:56:29 < fbs> you dropped out of highscool?
2013-12-05T13:56:29 < Steffann> Received the photos yet?
2013-12-05T13:56:34 < dongie> Steffann: nope
2013-12-05T13:56:42 < dongie> "thursday" was supposed to be "new prototype pcb"
2013-12-05T13:56:43 -!- Steffann is now known as Steffan-
2013-12-05T13:56:43 < fbs> you wont get pictures
2013-12-05T13:56:45 < dongie> of course not
2013-12-05T13:56:54 < dongie> fbs: no i finished
2013-12-05T13:56:56 < dongie> was that shit in highschool?
2013-12-05T13:56:58 < dongie> i dont fucking remember.
2013-12-05T13:57:07 < fbs> should be
2013-12-05T13:59:01 < Steffan-> you remember everythin you did on high school?
2013-12-05T13:59:08 < dongie> not a single thing
2013-12-05T13:59:10 < Steffan-> For me it's 5 years ago and i dont :P
2013-12-05T13:59:17 < Steffan-> *6
2013-12-05T13:59:51 < fbs>  holy shit, wolframs step by step is long
2013-12-05T14:00:19 < dongie> for the solver?
2013-12-05T14:00:23 < fbs> yes
2013-12-05T14:00:28 < Steffan-> long? It's pretty short imho
2013-12-05T14:00:36 < dongie> that shit needs to pay
2013-12-05T14:00:38 < dongie> to see solver
2013-12-05T14:00:38 < dongie> fuck that
2013-12-05T14:00:40 < Steffan-> 8 steps?
2013-12-05T14:01:16 < Steffan-> Just an account..
2013-12-05T14:01:35 < Steffan-> is enough to see the steps a few times iirc
2013-12-05T14:01:56 < fbs> http://pastie.org/8530491
2013-12-05T14:03:58 < Steffan-> or the fancy image: http://www.naffets.nl/share//a-20131205-130347.png
2013-12-05T14:05:11 < fbs> so, what do i need to get some ethernet on my stm32?
2013-12-05T14:05:32 < Steffan-> a phy
2013-12-05T14:05:37 < fbs> which
2013-12-05T14:05:41 < Steffan-> and some stm32 can can talk to it.
2013-12-05T14:05:56 < dongie> more like PFY
2013-12-05T14:05:59 < dongie> to do the work for you
2013-12-05T14:06:37 < fbs> want to make a temperature logger
2013-12-05T14:07:23 < dongie> why not use arduino ethernet shield
2013-12-05T14:07:38 < Steffan-> LAN8710, dp83848 ... does it really matter anyway?
2013-12-05T14:08:07 < Steffan-> <3 dongs.
2013-12-05T14:13:42 < fbs> ah yes
2013-12-05T14:13:44 < fbs> arduino
2013-12-05T14:14:50 < Steffan-> i bet there already is a temperature logger shield
2013-12-05T14:15:12 < fbs> 6 channels rtd&thermocouple?
2013-12-05T14:15:19 < fbs> and/or
2013-12-05T14:15:35 < Steffan-> sure add more shields
2013-12-05T14:15:43 < fbs> lol
2013-12-05T14:16:11 < fbs> https://www.youtube.com/watch?v=rp8hvyjZWHs
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2013-12-05T14:32:16 < dongie> http://i.imgur.com/UafmQVj.jpg
2013-12-05T14:34:15 < zyp> haha
2013-12-05T14:34:21 < fbs> lol
2013-12-05T14:35:56 < Steffan-> :D
2013-12-05T14:36:34 < dongie> they had me, up until massive cocks
2013-12-05T14:39:53 < Steffan-> i wonder if there is a relation between the amount of jpeg artifacts and the fakeness of a photo/image.
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2013-12-05T14:41:05 < dongie> that just shows how many times it has been reposted on faecesbook/twitter/imgur/photobucket/etc
2013-12-05T14:41:09 < dongie> each one adding more jpeg compression
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2013-12-05T16:53:25 < Laurenceb> <mfa298> the only BSD I've looked at was netBSD and that was a long time ago (looking for support of alternative systems)
2013-12-05T16:56:32 < dongs> the only BSD i've looked at has been dead.
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2013-12-05T17:11:11 < Steffan-> And still you care :P
2013-12-05T17:12:28 < dongs> incorrect
2013-12-05T17:13:32  * fbs d
2013-12-05T17:16:18 < dongs> 'd' in BSD stands for DEAD
2013-12-05T17:17:05 < Steffan-> Or BullShitDongs.
2013-12-05T17:17:15 < dongs> thats racist
2013-12-05T17:17:29 < Steffan-> No, black pete is racist.
2013-12-05T17:19:24 < Steffan-> on irc racism doesn't exists as were all a bunch of weirdos
2013-12-05T17:22:20 < englishman> its not racist if you hate everyone equally and fairly
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2013-12-05T17:24:36 < Steffan-> <3 englishman
2013-12-05T17:25:47 < fbs> now its racism
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2013-12-05T17:49:06 < dongs> anyone remember offhand  WKUP wakes up on high->low or low->high transition
2013-12-05T17:49:11 < dongs> PA0
2013-12-05T17:49:13 < dongs> or is it configurable
2013-12-05T17:50:35 < dongs> hm rising edge
2013-12-05T17:50:35 < dongs> k
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2013-12-05T18:00:37 < dongs> holy shit how would i rc debounce an active high button
2013-12-05T18:00:46 < dongs> every fucking circuit i found is active low
2013-12-05T18:00:54 < fbs> reversee it
2013-12-05T18:01:28 < dongs> all im seeing is  shit w/inverter gate after which is fucking fial
2013-12-05T18:01:36 < fbs> put the switch in series with the resistor
2013-12-05T18:01:53 < fbs> i think
2013-12-05T18:02:39 < dongs> http://www.cl.cam.ac.uk/projects/raspberrypi/tutorials/robot/images/EGHS-PullUpDownSwitchProtected.jpg
2013-12-05T18:02:43 < fbs> eh lies
2013-12-05T18:02:45 < dongs> fuck, thought i was almost there
2013-12-05T18:03:01 < dongs> bototm is wat im doing, but where do I add C?
2013-12-05T18:03:05 < dongs> and i dont have R2
2013-12-05T18:04:15 < fbs> hmm lets try something
2013-12-05T18:04:46 < dongs> gonna ask the pros
2013-12-05T18:05:17 < fbs>  5V -- R -- switch --*-- C//R-- gnd
2013-12-05T18:05:32 < dongs> no
2013-12-05T18:05:54 < dongs> eh, or maybe , but i cant read t his ascii trash
2013-12-05T18:05:59 < englishman> add it across the switch?
2013-12-05T18:06:33 < dongs> i dunno?
2013-12-05T18:08:49 < dongs> http://3.bp.blogspot.com/-wAYF14jJWx0/T2Fq_yhoBnI/AAAAAAAABDk/UmTVve9tS70/s1600/cap+button.PNG
2013-12-05T18:08:53 < dongs> k
2013-12-05T18:08:55 < dongs> i think this is it
2013-12-05T18:08:57 < englishman> yeah
2013-12-05T18:08:59 < englishman> across the switch
2013-12-05T18:09:08 < dongs> i dont speak english
2013-12-05T18:09:15 < englishman> yabba dabba do
2013-12-05T18:17:09 < ABLomas> omg
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2013-12-05T18:17:53 < fbs> whos your god
2013-12-05T18:17:54 < emeb> that will do it. The main thing is that you want to put the cap & switch in parallel - switch discharges the cap.
2013-12-05T18:18:32 < emeb> once that's done you can make it active low / active high just by swapping the power/gnd connections.
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2013-12-05T18:20:48 < jpa-> just use a 1000µF cap and you'll get perfect debouncing - the switch will never bounce again!
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2013-12-05T18:29:59 < Laurenceb> how do i force a bluetooth module to be mounted as a d/dev/rfcomm<x> port automatically?
2013-12-05T18:30:04 < Laurenceb> apparently this is possible
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2013-12-05T18:38:53 < fbs>  udev rules
2013-12-05T18:39:23 < fbs> for a usb device its
2013-12-05T18:40:05 < fbs> SUBSYSTEM=="usb", ATTRS{idVendor}=="xxxx", ATTRS{idProduct}=="xxxx", MODE="0666", SYMLINK+=rfcomm
2013-12-05T18:40:07 < fbs> or something
2013-12-05T18:53:40 < Laurenceb> nah its binding
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2013-12-05T18:53:47 < Laurenceb> sudo rfcomm bind all
2013-12-05T18:53:55 < Laurenceb> works now
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2013-12-05T20:16:17 < vein> Hey i was trying to get CAN workin on stm32f4
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2013-12-05T20:16:56 < vein> which transreciever do you suggest?does mcp2515 work?
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2013-12-05T20:23:26 < zyp> mcp2515 is not a transceiver, it's a controller
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2013-12-05T20:28:13 < vein> im sorry 2551
2013-12-05T20:28:21 < vein> not mcp2515
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2013-12-05T20:45:00 < zyp> mcp2551 is a 5V transceiver, it'll be fine as long as the canrx pin on the stm32 is 5V tolerant
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2013-12-05T20:51:05 < vein> do you guys have any other suggestions?
2013-12-05T20:51:42 < vein> how about this one?TJA1054A
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2013-12-05T22:03:05 < emeb> attn dongs: https://twitter.com/keithhann/status/408654913518854144/photo/1/large
2013-12-05T22:04:42 < fbs> long nose :/
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2013-12-05T22:10:49 < Steffan-> What kind of awful pie is that?
2013-12-05T22:11:10 < zyp> dickpie
2013-12-05T22:12:11 < Steffan-> <3 zyp
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2013-12-05T22:20:01 < emeb> you silly europeans don't even know a classic zucchini quiche a-la slong when you see one.
2013-12-05T22:20:10 < emeb> s/slong/schlong/
2013-12-05T22:20:34 < BrainDamage> http://www.amazon.com/Real-Men-Dont-Eat-Quiche/dp/0671448315
2013-12-05T22:21:36 < Steffan-> Haha, BrainDamage real has a good answer on EVERYTHING :D
2013-12-05T22:21:55 < Steffan-> *really
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2013-12-05T22:58:38 < R0b0t1> has anyone tried elua?
2013-12-05T22:58:43 < R0b0t1> wanting to mess around with it on stm32f0
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2013-12-05T23:08:15 < Steffan-> dekar used lua for some product the company he works for makes.. he is pretty happy with it afaik
2013-12-05T23:08:29 < Laurenceb_> but why
2013-12-05T23:08:53 < Steffan-> he used lua, not elua
2013-12-05T23:09:08 < Steffan-> so his co-workers can write scripts for it.
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2013-12-05T23:23:02 < R0b0t1> why lua
2013-12-05T23:23:04 < R0b0t1> and on what
2013-12-05T23:23:22 < R0b0t1> can you actually make lua work on something without an OS without redoing the entirety of elua
2013-12-05T23:23:44 < R0b0t1> the scriptability was why I wanted to use it, but why lua over elua
2013-12-05T23:23:58  * R0b0t1 tries to tab dekar and fails
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2013-12-06T02:28:30 < qyx_> i am curious if "standard" low side mosfet drivers are rated for continuous conduction
2013-12-06T02:31:01 < qyx_> datasheets list only peak sink/source currents :S
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2013-12-06T02:34:12 < zyp> continous conduction is usually limited by how much power it can dissipate
2013-12-06T02:35:49 < qyx_> some fairchild parts have output stage consisting of both bipolar and mosfet transistors, so they should be able to handle that ok
2013-12-06T02:35:52 < qyx_> in dfn8 package
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2013-12-06T03:11:39 < R0b0t1> qyx_: If you're wanting to use a driver as your switching element you usually can
2013-12-06T03:11:47 < R0b0t1> but it might not be as beefy as you expect
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2013-12-06T03:17:05 < qyx_> R0b0t1: i just need to pwm drive around 0.5A average
2013-12-06T03:18:03 < R0b0t1> if it can dissipate the heat, it should be possible, I did roughly that current with some gate driver
2013-12-06T03:18:04 < qyx_> it seems pointless to me to use 3A Ipk capable driver with sot23 mosfets
2013-12-06T03:18:13 < R0b0t1> might've been a bit oversized but I cna't remember
2013-12-06T03:18:18 < R0b0t1> yeah
2013-12-06T03:18:20 < R0b0t1> that was my thinking
2013-12-06T03:21:16 < qyx_> i hope i can go down to 2cm diameter PCB with 4x4mm M0 and 3 pieces of 3x3mm FAN3229 drivers
2013-12-06T03:21:27 < qyx_> mounted directly on Al frame
2013-12-06T03:26:03 < dongs> wat are you hacking
2013-12-06T03:26:07 < dongs> reprap???
2013-12-06T03:26:18 < qyx_> no, bldc driver inside bldc stator
2013-12-06T03:26:29 < dongs> heh
2013-12-06T03:26:38 < dongs> hax
2013-12-06T03:26:44 < qyx_> oh i forgot linear hall sensors :S
2013-12-06T03:36:43 < dongs> <3 ti http://www.ti.com/tool/tps61187evm-528#technicaldocuments
2013-12-06T03:37:19 < Thorn__> who wants a new scope http://www.youtube.com/watch?v=13_i-6Au2Ro
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2013-12-06T03:44:58 < dongs> jebus
2013-12-06T03:45:01 < dongs> 17k for that shit
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2013-12-06T03:45:36 < dongs> i wonder if I can sell my DPO4034 and then paypal the rest for this oen
2013-12-06T03:45:46 < R0b0t1> qyx_: oh nice
2013-12-06T03:45:49 < dongs> then i could sell my agilent spectrum analyzer too
2013-12-06T03:48:37 < englishman> cool
2013-12-06T03:48:55 < englishman> 3 in 1? is it as good as 3 separate tools?
2013-12-06T03:49:09 < englishman> spectrum analyzer / logic analyzer / oscope
2013-12-06T03:49:12 < dongs> it cant be worse than this 10 years old agilent shitheap running DOS
2013-12-06T03:49:28 < englishman> better than some tek running windows 95?
2013-12-06T03:49:41 < dongs> An HTTP error occurred while getting:
2013-12-06T03:49:41 < dongs> http://www.tek.com/oscilloscope/mdo4000-mixed-domain-oscilloscope
2013-12-06T03:49:42 < dongs> Details: "connect timed out to /192.65.40.180:80".
2013-12-06T03:49:43 < dongs> lols.
2013-12-06T03:49:48 < dongs> seems popular.
2013-12-06T03:49:54 < dongs> did yall click it at once
2013-12-06T03:50:25 < englishman> i guess tek isn't known for their server products
2013-12-06T03:51:03 < englishman> 4104 is 30 grand
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2013-12-06T03:51:28 < dongs> i'd get MDO4054B
2013-12-06T03:51:36 < englishman> that's not bad for 6GHz i suppose
2013-12-06T03:51:40 < dongs> it would be pointless to oget 4034 since that'd be same as waht I have
2013-12-06T03:51:47 < englishman> wonder if it can demodulate too or if that's extra
2013-12-06T03:52:00 < dongs> it should have all sorts of nice options that should be ez as pie to hax
2013-12-06T03:52:06 < englishman> oh yeah?
2013-12-06T03:52:22 < dongs> well, 4034 had software haxable otpions
2013-12-06T03:52:28 < dongs> bus analysis, USB analysis etc
2013-12-06T03:52:34 < Thorn> can it demodulate wii-fi all the way to web pages?
2013-12-06T03:52:43 < dongs> fucking if their website wasnt down i'd take a look
2013-12-06T03:53:04 < Thorn> and display porn jpegs your neighbour is downloading
2013-12-06T03:53:22 < dongs> haha all those DPO4XXX options are haxable
2013-12-06T03:53:29 < dongs> Application Module: Ethernet Serial Triggering and Analysis (10BASE-T, 100BASE-TX).
2013-12-06T03:53:32 < dongs> cool
2013-12-06T03:53:36 < dongs> Application Module: USB Serial Triggering and Analysis (USB2.0 LS, HS, FS)
2013-12-06T03:55:51 < englishman> how do you hax
2013-12-06T03:56:09 < dongs> download firmware and take a look
2013-12-06T03:56:11 < dongs> mine runs some lunix
2013-12-06T03:56:18 < dongs> scopeApp.exe is like 16meg ELF
2013-12-06T03:56:27 < englishman> hm cool
2013-12-06T03:56:53 < Thorn> .exe on lunix?
2013-12-06T03:56:59 < dongs> well ya kno
2013-12-06T03:57:04 < dongs> whatever het fuck lunix is called
2013-12-06T03:57:14 < englishman> i guess i can't hack this E4404B
2013-12-06T03:57:23 < englishman> since there are no updates
2013-12-06T03:57:31 < englishman> and i don't even know anyone with a floppy drive
2013-12-06T03:57:32 < dongs> is that megfa old?
2013-12-06T03:57:36 < dongs> haha that looks like same shit I have
2013-12-06T04:00:25 < dongs> actually that is exactly the shit ih ave
2013-12-06T04:00:27 < dongs> E4402B
2013-12-06T04:00:30 < dongs> just 3ghz version
2013-12-06T04:01:13 < englishman> heh
2013-12-06T04:03:49 < dongs> i actually bought some floppies to upgrade it
2013-12-06T04:03:55 < dongs> and there's a 30pin simm ram socket
2013-12-06T04:04:10 < dongs> official tek ram upgrade is liek 500bux
2013-12-06T04:04:20 < dongs> (more liek $1 from ebay)
2013-12-06T04:05:10 < englishman> does yours ask you to calibrate it
2013-12-06T04:05:38 < dongs> ya cuz its trash
2013-12-06T04:05:40 < dongs> and cmos battery long dead
2013-12-06T04:05:54 < dongs> i think abttery is like 200 from tek
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2013-12-06T04:06:25 < Thorn> http://www.youtube.com/watch?v=dx596o8t_TY
2013-12-06T04:06:45 < Thorn> 160GS/s
2013-12-06T04:06:52 < dongs> taht guy looks like a total stoner
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2013-12-06T04:10:18 < dongs> SLF6028T-100M1R3-PF 	SMD	100	$0.200 	$20.00
2013-12-06T04:10:21 < dongs> grat deal
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2013-12-06T07:24:28 < dongs> http://i.imgur.com/ZaDuo9k.png ordering a panel, totally untested etc.
2013-12-06T07:27:45 < englishman> for ipad or chromebook panel?
2013-12-06T07:27:53 < englishman> or both?
2013-12-06T07:28:01 < dongs> jewpod, chromebook is done but not tested at all. dont have stencil yet
2013-12-06T07:28:03 < dongs> or time
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2013-12-06T09:47:40 < fbs> what is it?
2013-12-06T09:48:49 < dongs> wled driver + displayport crap
2013-12-06T09:48:52 < dongs> + stm32
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2013-12-06T10:24:37 < fbs> for what?
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2013-12-06T10:32:51 < dongs> fbs: jewpad lcd
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2013-12-06T10:34:30 < fbs> ipad lcd on seperate board?
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2013-12-06T10:37:40 < dongs> http://i.imgur.com/Oowk93Z.png this is view from back of panel
2013-12-06T10:37:49 < dongs> so flipped, dp+usb is on the right.
2013-12-06T10:38:42 < fbs> ah
2013-12-06T10:39:01 < dongs> the curved thing is cable from lcd.
2013-12-06T10:40:08 < fbs> so what does the setup cost?
2013-12-06T10:40:34 < dongs> panels are like 55-60bucks on ebay.
2013-12-06T10:40:38 < fbs> ah nice
2013-12-06T10:40:39 < dongs> so its not too bad.
2013-12-06T10:42:09 < fbs> thats cheaper than a new screen for this broken sgs1 phone i got here
2013-12-06T10:42:23 < dongs> yeah, no shit
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2013-12-06T13:53:37 < zyp> wtf
2013-12-06T13:53:44 < zyp> dongs, why is jlink being shitty?
2013-12-06T13:54:11 < zyp> Downloading 16256 bytes @ address 0x00000000 - Verify failed
2013-12-06T13:54:25 < zyp> it's not writing anything
2013-12-06T14:01:41 < karlp> isn't there meant to be a caped crusader from the protools vendor swooping in as we speak to help you with your problems?
2013-12-06T14:02:24 < zyp> hmm, I got it to work again by poking some of the flash controller regs manually
2013-12-06T14:02:41 < dongs> why are you writing @00000
2013-12-06T14:02:50 < zyp> because that's where the flash is mapped
2013-12-06T14:02:54 < zyp> on nrf51822
2013-12-06T14:02:59 < dongs> o
2013-12-06T14:03:33 < Steffan-> Like it so far zyp? The nrf51822 ?
2013-12-06T14:03:58 < zyp> haven't done much with it yet
2013-12-06T14:11:05 < zyp> seems like a nice chip, but possibly a little small
2013-12-06T14:11:48 < zyp> the proprietary bt4 stack nordic provides for it is reserving 8k of ram, leaving only 8k left for you
2013-12-06T14:12:35 < dongs> nordick
2013-12-06T14:13:51 < zyp> hmm, looks like the jlink gdbserver isn't doing erasing and enabling of flashing when it's supposed to
2013-12-06T14:15:13 < Thorn> aryan semiconductor
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2013-12-06T14:17:46 < dongs> zyp: i dont think gdbserver is for flashing.
2013-12-06T14:17:48 < dongs> its for debugging.
2013-12-06T14:17:53 < dongs> what bullshit IDE are you using?
2013-12-06T14:17:55 < zyp> oh, I had a typo in the device name
2013-12-06T14:18:09 < zyp> works after I fixed that
2013-12-06T14:18:26 < zyp> strange that it didn't error on a unknown device
2013-12-06T14:18:55 < zyp> dongs, no reason you can't flash through gdbserver
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2013-12-06T14:32:03 < dongie> fuckign DICKS
2013-12-06T14:32:09 < dongie> this SDcard socket is fucking retarded++
2013-12-06T14:32:12 < dongie> http://www.wooriparts.com/data/cheditor/0812/ausd82007sp__1.jpg
2013-12-06T14:32:29 < dongie> pins 6..1 + 9
2013-12-06T14:32:41 < dongie> it says 15mm between their center
2013-12-06T14:32:47 < dongie> and above 6-2.00
2013-12-06T14:32:48 < dongie> for pitch
2013-12-06T14:32:53 < dongie> so if you do 2mm pitch, its wrong
2013-12-06T14:33:01 < dongie> since tehres 7 pins
2013-12-06T14:33:09 < dongie> but 7 pins pitch is like 2.1428dlfsdflkdsj
2013-12-06T14:33:27 < dongie> am i insane or did tehy fuck shit up
2013-12-06T14:34:32 < jpa-> 7 pins, 6 intervals? and 2.5mm pitch if i read it correctly?
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2013-12-06T14:35:28 < jpa-> not sure what that "6-2.00" means
2013-12-06T14:36:23 < dongie> jpa-: where the FUCK do you see 2.5mm pitch?
2013-12-06T14:36:39 < Steffan-> left layout
2013-12-06T14:36:42 < dongie> haha
2013-12-06T14:36:42 < jpa-> in the upper left.. 2.5x6=15.0
2013-12-06T14:36:46 < dongie> yeah
2013-12-06T14:37:04 < jpa-> so that 6-2.00 is probably just shit to confuse people :)
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2013-12-06T14:48:52 < fbs> Steffan-: do you have some ethernet phys that work with a f4?
2013-12-06T14:49:03 < Steffan-> dp83848 ..
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2013-12-06T14:49:22 < Steffan-> The easiest thing is just to look at some dev board schematics?
2013-12-06T14:49:38 < fbs> i ment a breakout board with all the shit needed
2013-12-06T14:49:53 < fbs> could order some ebay crap but before xmas would be nice
2013-12-06T14:49:57 < Steffan-> Yeah.. buy some waveshare dp83848 module.
2013-12-06T14:49:59 < Steffan-> on ebay
2013-12-06T14:50:06 < Steffan-> and sponsor dongs.
2013-12-06T14:50:24 < fbs> takes way to long
2013-12-06T14:50:44 < Steffan-> buy from waveshare and use the express shipping?
2013-12-06T14:50:48 < Steffan-> :P
2013-12-06T14:51:05 < dongs> ^
2013-12-06T14:51:05 < Steffan-> or buy me a new one and ill send you mine :P
2013-12-06T14:51:27 < fbs> or i could buy http://nl.farnell.com/stmicroelectronics/stm32f4dis-bb/expansion-stm32f4-cortex-m4-discovery/dp/2250205?Ntt=stm32f4DIS-BB
2013-12-06T14:51:30 < fbs> but farnell :<
2013-12-06T14:52:14 < Steffan-> or buy that.
2013-12-06T14:52:24 < dongs> wvshare.com
2013-12-06T14:52:24 < dongs> if you order now, they might even ship tomrorw
2013-12-06T14:52:46 < Steffan-> but china.. can take over 3 weeks.
2013-12-06T14:53:18 < Steffan-> and the shipping can be pretty high for a single module. ( iirc their ebay shop is cheaper for single modules )
2013-12-06T14:54:16 < Steffan-> or is http://www.ebay.nl/usr/waveshare not them?
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2013-12-06T14:58:29 < dongie> http://i.imgur.com/QSnZnYn.png retardconnector
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2013-12-06T14:59:13 < Steffan-> so why buy and use that one?
2013-12-06T15:00:19 < dongie> its very cheap
2013-12-06T15:04:32 < dongie> http://www.theguardian.com/technology/2013/dec/03/nokia-patent-dispute-htc-sales-banned-uk haha wat
2013-12-06T15:05:22 < dongie> where Nokia has successfully asserted that the Broadcom and Qualcomm chips used in the HTC One infringed one of its patents.
2013-12-06T15:05:25 < dongie> ???
2013-12-06T15:05:31 < dongie> isnt like every fucking phone uses broadcom+qualcomm?
2013-12-06T15:06:08 < Steffan-> your smartphone watch does :P
2013-12-06T15:06:16 < dongie> yeah
2013-12-06T15:06:20 < dongie> which I still ahvent seen pics of
2013-12-06T15:07:17 < dongie> The patent in question covers "a modular structure for a transmitter and a mobile station" filed in October 1999.
2013-12-06T15:07:21 < dongie> huh yeah
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2013-12-06T15:10:55 < fbs> guess i got to farnell :/
2013-12-06T15:11:13 < dongie> http://i.imgur.com/8CeCfxn.png time to switch to bing
2013-12-06T15:11:16 < dongie> more ads than search results
2013-12-06T15:11:27 < fbs> nice
2013-12-06T15:13:47 < Steffan-> duckduckgo ftw
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2013-12-06T15:24:45 < karlp> any know where I'd be looking for what the maxium theoretical speed of ETM/SWO? including the full 4 bit wide traceout?
2013-12-06T15:24:59 < dongs> isnt it like 10mhz
2013-12-06T15:25:08 < dongs> at least thats whatw it is in keil tools dialog
2013-12-06T15:25:31 < karlp> docs say that the SWO using manchester can go to 10Mhz,
2013-12-06T15:25:57 < dongs> sounds like thats what im seeing in keil gui then
2013-12-06T15:26:00 < karlp> but not sure where7How to find out what rates you can get out of the 4bit, parallel with clock.
2013-12-06T15:26:01 < dongs> i never used the extended ETM stuff
2013-12-06T15:26:04 < dongs> yeah
2013-12-06T15:26:14 < karlp> was just curious how close to sysclock speed you coule get
2013-12-06T15:26:37 < karlp> "The normal mode. Trace data from the ETM is written to the output pins at the processor frequency."
2013-12-06T15:26:38 < dongs> does anything opensauce even support ETM/SWO?
2013-12-06T15:26:47 < karlp> doubtful fro ETM,
2013-12-06T15:27:00 < karlp> I've been using swo for the last couple of weeks with my own hacky tools
2013-12-06T15:27:14 < karlp> openocd has some draft support, but it's very very basic right now
2013-12-06T15:27:36 < karlp> stlink hardware uses NRZ not manchester, only goes to 2Mhz,
2013-12-06T15:31:16 < dongie> terrible
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2013-12-06T15:34:00 < karlp> cheeeep
2013-12-06T15:35:21 < Steffan-> ..
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2013-12-06T15:36:51 < karlp> coresight ref says ETM clock in normal node is == core clock,
2013-12-06T15:37:12 < karlp> lauterbach docs say they can support up to 120Mhz or so
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2013-12-06T15:37:15 < karlp> so that's rad,
2013-12-06T15:39:46 < zyp> I remember some coworkers were doing ETM with a lauterbach to debug a problem once
2013-12-06T15:40:01 < zyp> I remember not being very impressed by it
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2013-12-06T15:40:43 < karlp> docs claim you can dump out everything in real time, then step through it line by line looking at variables and everything
2013-12-06T15:40:47 < karlp> which is neat, if it works
2013-12-06T15:40:56 < karlp> interface looks like windows 3.11
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2013-12-06T15:42:04 < zyp> they were using it to debug some powersave related issue, stuff didn't come up properly after powersave so they tried to figure out what was the last that happened before powersave
2013-12-06T15:47:34 < Steffan-> the question is.. did they solve it using that debugger?
2013-12-06T15:47:47 < zyp> I don'
2013-12-06T15:47:50 < zyp> t remember
2013-12-06T15:48:10 < Steffan-> that shows how impressed you were :P
2013-12-06T15:49:08 < dongs> eh, ive used microsd and i never did pullups on like 3 data lines
2013-12-06T15:49:10 < dongs> are thsoe neeed?
2013-12-06T15:49:12 < zyp> I think they suspected that they fucked up some MMU settings, but I don't remember whether they confirmed that was the case
2013-12-06T15:49:18 < dongs> all these tarduino SD card shits i see have 3 resistors going to either vcc or gnd
2013-12-06T15:49:32 < zyp> dongs, I think the waveshare sd board also has them
2013-12-06T15:49:36 < dongs> hmm
2013-12-06T15:49:48 < dongs> oh i should find that
2013-12-06T15:49:57 < dongs> waveshgare board has pullups on EVERY line haha
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2013-12-06T16:01:40 < Trollence> http://www.theregister.co.uk/2013/12/06/spy_satellite_octopus_logo/
2013-12-06T16:05:15 < Steffan-> good troll logo
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2013-12-06T17:25:54 < dongs> http://www.nxp.com/documents/application_note/AN10911.pdf what the hell
2013-12-06T17:26:03 < dongs> they have pullup resistors on *every* SD line
2013-12-06T17:26:09 < dongs> page 17+
2013-12-06T17:26:56 < englishman> makes sense
2013-12-06T17:27:02 < dongs> no it doenst
2013-12-06T17:27:06 < englishman> no sd card inserted = floating
2013-12-06T17:27:15 < englishman> why? i dont know much about sd
2013-12-06T17:27:16 < dongs> i ahve production boards that have been working for years that have no pullup resistors on any lines
2013-12-06T17:27:40 < gxti> presumably nxp parts have builtin pullups in gpio.
2013-12-06T17:27:44 < gxti> that's why it doesn't make sense.
2013-12-06T17:27:53 < englishman> you have an insertion detection right, so the pins are unused when the sd card is not inserted?
2013-12-06T17:28:08 < dongs> sure
2013-12-06T17:28:11 < englishman> if there is a bad contact and you want to use the pin, pullup just means a defined logic state
2013-12-06T17:28:57 < dongs> Even though the MMC and SD-memory card specifications state exact minimum and
2013-12-06T17:28:57 < dongs> maximum values for the various internal and external pull-up and pull-down resistors, a
2013-12-06T17:29:00 < dongs> majority of implemented interfaces in available appliances do not follow these
2013-12-06T17:29:03 < dongs> recommendations.
2013-12-06T17:29:33 < dongs> i guess since noone else does, i shouldn;t bother either
2013-12-06T17:29:41 < englishman> probably just to reduce problems if there is a bad contact
2013-12-06T17:29:42 < gxti> builtin weak pullups are fine
2013-12-06T17:30:10 < gxti> especially for spi mode
2013-12-06T17:30:19 < gxti> because there's no turnaround etc.
2013-12-06T17:30:31 < gxti> but probably dongs is too pro for spi mode
2013-12-06T17:30:59 < dongs> ha ha, no its SPI acutally, cuz shitty F103
2013-12-06T17:31:11 < gxti> dma gpio olol
2013-12-06T17:42:06 < Laurenceb> i use 10K pullups
2013-12-06T17:42:33 < dongs> on all lines?
2013-12-06T17:45:14 < Laurenceb> yes
2013-12-06T17:48:10 < dongs> troll
2013-12-06T17:48:12 < dongs> kk
2013-12-06T17:48:13 < dongs> ill add htem
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2013-12-06T18:36:03 < Laurenceb> http://i.imgur.com/LlU3QnN.jpg
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2013-12-06T19:30:37 < karlp> anyone done much with using the internel ref voltage readings to calibrate adc readings?
2013-12-06T19:30:40 < karlp> any tricks?
2013-12-06T19:30:54 < karlp> single poitn scaling is better than nothing, but is there anything better?
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2013-12-06T19:43:47 < Laurenceb> interesting
2013-12-06T19:43:57 < Laurenceb> F1 bootloader seems to leave usb interrupts enabled
2013-12-06T19:46:50 < zyp> bullshit, F1 doesn't have a usb bootloader
2013-12-06T19:46:59 < Laurenceb> no
2013-12-06T19:47:04 < Laurenceb> the serial bootloader
2013-12-06T19:47:14 < Laurenceb> it sometimes goes screwy the usb connected
2013-12-06T19:47:18 < zyp> why would it enable usb interrupts at all?
2013-12-06T19:47:33 < Laurenceb> if im running usb before i trigger the bootloader
2013-12-06T19:47:39 < zyp> ah
2013-12-06T19:47:46 < zyp> well, that's you being dumb
2013-12-06T19:47:49 < Laurenceb> heh
2013-12-06T19:47:54 < gxti> if you're 'triggering' the bootloader by jumping to it then it's your fault :p
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2013-12-06T20:44:44 < jpa-> karlp: i have
2013-12-06T20:45:16 < jpa-> karlp: shouldn't need anything fancier than single point; the adc range should scale linearly with supply voltage
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2013-12-06T23:58:11 < jpa-> looks like the new pic32's will be quite competitive in price also   http://www.digikey.com/product-detail/en/PIC32MZ1024ECG064-I%2FPT/PIC32MZ1024ECG064-I%2FPT-ND/4500819
--- Day changed Sat Dec 07 2013
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2013-12-07T01:19:02 < TitanMKD> jpa-: competitive with what ;)
2013-12-07T01:19:28 < TitanMKD> jpa-: it is the price of an lpc4357 with 1MB flash and dual core M4F+M0 @ 204Mhz ;)
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2013-12-07T02:45:57 < dongs> 512k ram is pretty cool
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2013-12-07T03:20:48 < Simon--> 640k should be enough for anyone
2013-12-07T03:21:36 < emeb> my pal @ MCHP told me that they sell millions of PIC32 processors for use in those Keurig coffee machines.
2013-12-07T03:21:58 < emeb> whoda thunk that you needed 32-bits to make coffee.
2013-12-07T03:22:14 < zyp> hah
2013-12-07T03:22:32 < GargantuaSauce> those have pretty stupid software too
2013-12-07T03:22:37 < GargantuaSauce> with inappropriate timeouts
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2013-12-07T03:24:25 < gxti> should use 32 bits for everything
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2013-12-07T04:01:31 < dongs> emeb: its probably cheaper than equivalent AVR
2013-12-07T04:01:34 < dongs> and less aids to code for
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2013-12-07T04:41:39 < dongie> hard at dong
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2013-12-07T07:28:58 < dongs> sup
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2013-12-07T07:38:02 < qyx_> uh, snow
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2013-12-07T08:09:48 < dongs> 9C outsie
2013-12-07T08:09:49 < dongs> no sign of snow
2013-12-07T08:09:52 < dongs> probably wont hjave any this yeatr
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2013-12-07T09:38:58 < Thorn> https://www.edx.org/course/utaustinx/utaustinx-ut-6-01x-embedded-systems-1172
2013-12-07T09:39:03 < Thorn> https://www.edx.org/course/ricex/ricex-elec301x-discrete-time-signals-1032
2013-12-07T09:40:21 < Thorn> >Each student will purchase a Texas Instruments TM4C123 microcontroller kit and a few electronic components. This microcontroller has a state of the art ARM Cortex M4 processor.
2013-12-07T09:42:58 < GargantuaSauce> i was expecting cool PCBs >:|
2013-12-07T09:45:27 < Thorn> wtf is tm4c123, I have a LM4F120 launchpad, is it the same thing or not
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2013-12-07T11:18:15 < dongs> fucking aids
2013-12-07T11:18:17 < dongs> sup dongs
2013-12-07T11:21:15 < dongs> this is R2COM http://imgur.com/Eihkuqr
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2013-12-07T12:21:28 < madist> that was really mean of you dongs
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2013-12-07T14:19:28 < jpa-> bah, who broke my eink?
2013-12-07T14:20:05 < qyx_> physically broken?
2013-12-07T14:20:25 < jpa-> no visible damage
2013-12-07T14:20:32 < Steffan-> You dont remember what you did last night?
2013-12-07T14:20:50 < jpa-> i upgraded µgfx, didn't work, took back old .elf, still doesn't work
2013-12-07T14:21:05 < jpa-> now only half of display is active and even that shows garbage
2013-12-07T14:21:13 < jpa-> i suspect the flex cable connector, though it looks fine
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2013-12-07T14:34:19 < jpa-> other possibility is that i have fried the io pins somehow.. i noticed that it booted to a stupid state, with IO pins high but VDD low, so that it dumped some current through the ESD diodes
2013-12-07T14:34:43 < jpa-> and prior to the problems i had it powered on overnight
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2013-12-07T14:38:43 < jpa-> hmm yeah, other display works
2013-12-07T14:38:47 < jpa-> i guess it is the io pins
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2013-12-07T16:19:51 < Thorn> >Experimental support for ‘bare metal’ devices: Also experimental is support for ‘bare metal’ devices, meaning that Qt Creator only requires a gdb-compatible debugger running on it.
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2013-12-07T16:20:41 < Laurenceb_> meaning?
2013-12-07T16:20:55 < Laurenceb_> you can use Qt Creator to debug ARM?
2013-12-07T16:21:56 < Steffan-> could be useful if you like Qt Creator as your ide/editor
2013-12-07T16:23:50 < Laurenceb_> has anyone got "live" variable viewing working?
2013-12-07T16:24:11 < Laurenceb_> i tried to get nemiver running but no luck
2013-12-07T16:24:19 < Steffan-> over itm/etm/swo whatever its called?
2013-12-07T16:24:55 < Laurenceb_> yeah or however stmstudio does it?
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2013-12-07T17:04:59 < Tectu> Laurenceb_, mabl of the chibios community made the QtCreator people add external targets etc.
2013-12-07T17:05:10 < Tectu> Laurenceb_, but that's since quite a while
2013-12-07T17:06:44 < Steffan-> btw .. can you please add the source of the ~quotes you paste here next time? :)
2013-12-07T17:06:50 < Steffan-> that's more useful than just a quote
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2013-12-07T17:07:24 < Steffan-> oh, @ Thorn  that is
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2013-12-07T17:23:17 < akaWolf> Steffan-: http://blog.qt.digia.com/blog/2013/10/23/qt-creator-3-0-beta-released/
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2013-12-07T17:42:18 -!- Netsplit *.net <-> *.split quits: Thorn, Inrelaida, grummund, Laurenceb
2013-12-07T17:45:31 < karlp> Laurenceb_: yeah, I've streamed out variables over swo/itm.
2013-12-07T17:45:41 < karlp> it's... not children friendly at the moment
2013-12-07T17:45:54 < karlp> I've been trying to write up some blog posts about how to do it, but been a little busy
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2013-12-07T19:48:46 < Thorn> Marijuana was discovered in one of the underground control centers of a Minuteman missile squadron at Malmstrom Air Force Base near Great Falls, Montana. It was also found in the control center of a Titan II launch complex about forty miles southeast of Tucson, Arizona.
2013-12-07T19:49:48 < Steffan-> Thorn, don't forget to add the source
2013-12-07T19:50:12 < qyx_> citation needed
2013-12-07T19:51:08 < Thorn> Bill Prochnau, “With the Bomb, There Is No Answer,” Washington Post, May 1, 1982. “Marijuana Discovery Leads to Missile Base Suspensions,” New York Times, July 14, 1977; and “15 Suspended After Marijuana Is Found in Titan Silo,” Los Angeles Times, July 15, 1977.
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2013-12-07T19:58:01 < Thorn> Some admitted to using marijuana, cocaine, and LSD on the job. Two of the three officers who were arrested had highly sensitive jobs at the base: they entered target information into the guidance systems of Minuteman missiles.
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2013-12-07T19:59:26 < Steffan-> is this reddit news Thorn?
2013-12-07T20:00:13 < Thorn> it's not on the net afaik. google doesn't find anything anyway
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2013-12-07T20:06:35 < Steffan-> upgrdman, this tool you showed before.. the one that showed your 2.4GHz spectrum
2013-12-07T20:06:47 < Steffan-> was that from ubiquiti?
2013-12-07T20:06:50 < upgrdman> hi
2013-12-07T20:06:52 < upgrdman> yes
2013-12-07T20:07:01 < upgrdman> buts it dicontinued
2013-12-07T20:07:04 < Steffan-> what kind of hw is used with that?
2013-12-07T20:07:17 < upgrdman> a little usb dongle
2013-12-07T20:07:32 < Steffan-> their hw i guess?
2013-12-07T20:07:32 < upgrdman> the size of a usb thumb drive
2013-12-07T20:07:34 < upgrdman> ya
2013-12-07T20:07:38 < Steffan-> ah
2013-12-07T20:07:44 < upgrdman> google AirView2
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2013-12-07T20:08:35 < Steffan-> i googled it, but i couldn't find what hw was used
2013-12-07T20:08:39 < Steffan-> but it is their hw :(
2013-12-07T20:09:02 < upgrdman> tbh, if you made you own it would probably perform better :) but then you have to go to the trouble. my cc2500 spec an updates much quicker than the ubiquiti one, but i cant be bothered to make a useable gui
2013-12-07T20:09:16 < upgrdman> http://www.newegg.com/Product/Product.aspx?Item=0ED-0005-000A2
2013-12-07T20:09:18 < qyx_> Steffan-: some CCxxxx thing
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2013-12-07T20:11:21 < qyx_> i could disassemble that
2013-12-07T20:11:36 < Steffan-> Nah, no need to :)
2013-12-07T20:12:24 < upgrdman> i've been tempted to buy an SDR just for the spec an functionality.
2013-12-07T20:17:49 < qyx_> Steffan-: http://i.imgur.com/pb5bV5D.jpg
2013-12-07T20:18:11 < qyx_> high quality phone image
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2013-12-07T20:19:19 < upgrdman> that yours?
2013-12-07T20:21:23 < Steffan-> oh, thanks qyx_ :)
2013-12-07T20:21:33 < qyx_> upgrdman: yes
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2013-12-07T23:52:14 < Laurenceb_> https://my.st.com/static/myst_down.html
2013-12-07T23:52:16 < Laurenceb_> lulwut
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--- Day changed Sun Dec 08 2013
2013-12-08T00:01:29 -!- Laurenceb_ is now known as Scrooge
2013-12-08T00:01:33 -!- Scrooge is now known as Scrooge_
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2013-12-08T00:28:17 < upgrdman> lol nice error
2013-12-08T00:28:53 < Scrooge_> how to sentences
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2013-12-08T00:32:01 < upgrdman> they should put a Doge pic in there error message
2013-12-08T00:32:20 < upgrdman> much error. such description.
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2013-12-08T00:38:28 < Steffan-> lol @ how they use a xhtml doctype to not use xhtml :D
2013-12-08T00:38:43 < Steffan-> pros
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2013-12-08T01:10:59 < upgrdman> anyone know of a cheap SDR that goes up the the 2.4GHz band? seems like the RTL ones at only good to 1.7GHz
2013-12-08T01:12:02 < effractur> define cheap
2013-12-08T01:12:33 < effractur> hackrf/bladerf
2013-12-08T01:24:41 < upgrdman> was hoping <$100
2013-12-08T01:24:51 < upgrdman> i only care about RX if that matters
2013-12-08T01:34:08 < upgrdman> :)
2013-12-08T01:34:20 < upgrdman> welcome back! planning to hang around, or just stopping by?
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2013-12-08T02:07:21 < Scrooge_> hmm
2013-12-08T02:07:28 < Scrooge_> latest st-link isnt building
2013-12-08T02:07:30 < Scrooge_> gdbserver/gdb-server.c:336: error: expected expression before ‘<<’ token
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2013-12-08T06:35:55 < upgrdman> im a little disturbed that the pinky is the same length as the index finger  http://i.imgur.com/4YuyQfn.jpg
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2013-12-08T09:35:18 < Thorn> And remember: never take off your mask, even if there’s no sign of radiation, until you’re sure that the “skull” of the weapon is intact. The skull is the beryllium reflector around the core. Inhaling beryllium dust can be worse than inhaling plutonium.
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2013-12-08T10:53:08 < dongs> http://i.imgur.com/MNRyGFS.jpg http://i.imgur.com/6wDzeBX.jpg
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2013-12-08T11:02:03 < madist> where is that dongs ?
2013-12-08T11:02:22 < madist> a uav ?
2013-12-08T11:02:58 < dongs> sure
2013-12-08T11:06:53 < jpa-> what i find more impressive is that they had color photography back in 1900
2013-12-08T11:07:28 < dongs> heh
2013-12-08T11:09:52 < madist> color photography was invented before 1900
2013-12-08T11:09:59 < madist> freeways weren't.
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2013-12-08T12:41:05 < mervaka> ive seen some stereo photography of the great war. absolutely stunning
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2013-12-08T13:22:42 < dongs> i3 hacked
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2013-12-08T13:40:26 < GargantuaSauce> i3 hacked?
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2013-12-08T14:17:21 < Thorn> http://www.glennsmuseum.com/analog/analog.html
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2013-12-08T14:59:28 < GargantuaSauce> a fun wanky project would be an analog computer that uses a microcontroller + analog multiplexers to do all the configuration
2013-12-08T14:59:55 < Thorn> and DACs to input data into it lol
2013-12-08T15:00:00 < GargantuaSauce> yeah
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2013-12-08T15:30:07 < dongs> GargantuaSauce: flir i3
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2013-12-08T15:31:16 < Scrooge_> this is odd
2013-12-08T15:31:24 < Scrooge_> st-util
2013-12-08T15:31:24 < Scrooge_> libusb couldn't open USB device /dev/bus/usb/001/001: Permission denied.
2013-12-08T15:31:24 < Scrooge_> libusb requires write access to USB device nodes.
2013-12-08T15:31:24 < Scrooge_> 2013-12-08T13:31:07 WARN src/stlink-usb.c: Couldn't open ST-Link/V2 device 001:001
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2013-12-08T15:32:44 < fbs> try as root
2013-12-08T15:32:52 < Thorn> ls -l /dev/bus/usb/001/001
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2013-12-08T15:33:48 < Scrooge_> on my other machine it runs fine without root
2013-12-08T15:34:15 < Scrooge_> wtf
2013-12-08T15:34:17 < Scrooge_> Chip ID is 00000000, Core ID is  00000000.
2013-12-08T15:34:26 < Scrooge_> with sudo, yet there is no device
2013-12-08T15:34:33 < Scrooge_> no st-link plugged in
2013-12-08T15:35:06 < dongs> ah, lunix
2013-12-08T15:35:22 < Scrooge_> on my other machine it reports "No Stlink v1/2 device connected"
2013-12-08T15:36:38 < fbs> got your udev rules setup?
2013-12-08T15:38:36 < Scrooge_> yes
2013-12-08T15:39:30 < Scrooge_> hmm
2013-12-08T15:39:39 < Scrooge_> i think git got confused and merged badly
2013-12-08T15:39:47 < Scrooge_> time to delete it all and rebuild
2013-12-08T15:44:58 < Scrooge_> hmm no no difference
2013-12-08T15:46:05 -!- Scrooge_ is now known as Laurenceb_
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2013-12-08T15:49:50 < Laurenceb_> 2013-12-08T13:45:32 WARN src/stlink-usb.c: Couldn't find any ST-Link/V2 devices
2013-12-08T15:49:54 < Laurenceb_> on my other machine
2013-12-08T15:50:24 < Laurenceb_> which is correct - there isnt one
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2013-12-08T15:53:05 < fbs> Laurenceb_: well try as root
2013-12-08T15:53:24 < fbs> if it works as root your udev rules are dead
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2013-12-08T17:01:43 < Thorn> wtf is inline namespace
2013-12-08T17:04:33 < fbs> c++?
2013-12-08T17:04:56 < Thorn> sure
2013-12-08T17:05:12 < Thorn> the problem with C++ is that it doesn't have enough features.
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2013-12-08T17:46:46 < Laurenceb_> fbs: i see no /dev/stlinkv2 device
2013-12-08T17:46:51 < Laurenceb_> this may explain things
2013-12-08T17:47:02 < Laurenceb_> only stlink-sg1
2013-12-08T17:47:09 < Laurenceb_> from old version of st-link
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2013-12-08T18:01:11 < PaulFertser> Laurenceb_: so do you have stlinkv1 hw or not?
2013-12-08T18:04:02 < bsdfox> you might look into using the BMP firmware if your stlink is just on a discovery board
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2013-12-08T18:04:44 < bsdfox> I really don't have any issues with mine anymore after switching especially now that the uart high rate patches were merged
2013-12-08T18:06:25 < PaulFertser> Yes, BMP is nice, plus you get aux uart via cdc-acm.
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2013-12-08T18:10:01 < bsdfox> PaulFertser, gsmcmullin merged the high rate uart patches a few days ago.. uart performance is much better
2013-12-08T18:10:52 < PaulFertser> bsdfox: I know, using it atm, just upgraded :)
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2013-12-08T18:14:15 < PaulFertser> bsdfox: i wonder how I manage to use usart1 atm (as i have it soldered on stlink) while the platform specifies usart2...
2013-12-08T18:18:03 < bsdfox> PaulFertser, what PROBE_HOST are you using?
2013-12-08T18:18:35 < bsdfox> it looks like usart2 should be the one active
2013-12-08T18:19:21 < PaulFertser> bsdfox: stlink
2013-12-08T18:20:21 < bsdfox> PaulFertser, not sure. what makes you think you're using usart1?
2013-12-08T18:21:02 < bsdfox> https://github.com/gsmcmullin/blackmagic/blob/8835df1822ed9e99ee593a6ed16bb44cf09e4c57/src/platforms/stlink/platform.h
2013-12-08T18:21:38 < PaulFertser> bsdfox: I've soldered to PA8, PA9 :)
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2013-12-08T18:26:32 < bsdfox> no idea on that one :)
2013-12-08T18:32:02 < Laurenceb_> PaulFertser: i dont actually have any hardware with me atm
2013-12-08T18:32:07 < Laurenceb_> but something is clearly wrong
2013-12-08T18:32:30 < Laurenceb_> 2013-12-08T13:45:32 WARN src/stlink-usb.c: Couldn't find any ST-Link/V2 devices
2013-12-08T18:32:44 < Laurenceb_> on my machine that works correctly if there is no hardware
2013-12-08T18:32:56 < Laurenceb_> here it tries to connect
2013-12-08T18:35:31 < Laurenceb_> and i need to use sudo to get it to run at all
2013-12-08T18:37:01 < PaulFertser> Laurenceb_: if you need sudo, it means some file in udev's rules.d is missing.
2013-12-08T18:37:13 < Laurenceb_> yeah
2013-12-08T18:37:31 < Laurenceb_> 25-stlinkv2.rules  49-stm32l-discovery.rules
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2013-12-08T18:37:57 < PaulFertser> Laurenceb_: also, with stlinkv1 hardware you need to have usb-storage module loaded with a quirk telling it to ignore stlinkv1
2013-12-08T18:38:20 < Laurenceb_> yeah - i dont use v1 on either machine
2013-12-08T18:39:13 < Laurenceb_> on my working machine i have
2013-12-08T18:39:15 < Laurenceb_> 10-stlink.rules  45-maple.rules  49-stm32l-discovery.rules
2013-12-08T18:39:15 < PaulFertser> Or probably you have plugdev specified in that rule file on the other machine but your user is not in plugdev.
2013-12-08T18:39:28 < Laurenceb_> hmm
2013-12-08T18:40:53 < Laurenceb_> the 10-stlink.rules on my other machine is v1 only
2013-12-08T18:41:17 < Laurenceb_> maybe i should only have  49-stm32l-discovery.rules present
2013-12-08T18:42:23 < PaulFertser> Laurenceb_: you can look inside too, wouldn't harm ;)
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2013-12-08T18:55:25 < Laurenceb_> ok removed all the rules
2013-12-08T18:55:39 < Laurenceb_> but /dev/stlink-sg0 and 1 still exist
2013-12-08T18:55:50 < Laurenceb_> tried /etc/init.d/udev restart
2013-12-08T18:57:03 < Thorn> has anybody used http://mqtt.org/ ?
2013-12-08T18:57:10 < karlp> sudo udevadm control --reload-rules
2013-12-08T18:57:16 < karlp> Thorn: yeah, every day.
2013-12-08T18:57:27 < karlp> I maintain the openwrt packaging for mosquitto.
2013-12-08T18:58:02 < Thorn> inseresting stuff
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2013-12-08T18:59:04 < Laurenceb_> karlp: thanks, but i tried that already
2013-12-08T18:59:36 < Laurenceb_> i wonder if the /dev/stlink-sg* devices are responsible for the weird behaviour
2013-12-08T19:00:01 < karlp> well, reload rules only does anything helpful if you changed the rules for the better :)
2013-12-08T19:02:00 < Laurenceb_> i deleted them all
2013-12-08T19:02:16 < Laurenceb_> /dev/stlink has gone now
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2013-12-08T19:33:10 < Laurenceb_> whats the gui folder about in stlink?
2013-12-08T19:37:36 < karlp> there's a gui now. :)
2013-12-08T19:37:47 < karlp> someone was tyring to make it just like the windows tool
2013-12-08T19:37:48 < Laurenceb_> i dont see the bin
2013-12-08T19:37:51 < Laurenceb_> ah
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2013-12-08T20:07:46 < Laurenceb_> karlp: is it possible to build the gui on linux?
2013-12-08T20:24:27 < karlp> fuck knows, I saw it got added, never tried it though
2013-12-08T20:29:20 < Laurenceb_> ah
2013-12-08T20:29:27 < Laurenceb_> ./configure --with-gtk
2013-12-08T20:29:40 < Laurenceb_> but it fails as i dont have latest gtk
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2013-12-08T21:02:26 < Thorn> stuff you didn't know about C http://stackoverflow.com/questions/1642028/what-is-the-name-of-this-operator
2013-12-08T21:04:38 < zyp> I'm guessing trigraphs before I open the link
2013-12-08T21:04:52 < zyp> ah, no
2013-12-08T21:05:36 < jpa-> not surprises there
2013-12-08T21:05:46 < zyp> http://stackoverflow.com/questions/7825055/what-does-the-c-operator-do <- I was thinking of this
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2013-12-08T21:12:11 < PaulFertser> dongs: http://z.svbtle.com/why-kickstarter-projects-are-always-delayed/
2013-12-08T21:18:27 < bsdfox> at least their product seems interesting
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2013-12-08T21:21:27 < Thorn> opensauce in all its glory https://github.com/joyent/libuv/pull/1015#issuecomment-29568172
2013-12-08T21:24:29 < Laurenceb_> "
2013-12-08T21:24:29 < Laurenceb_>     It's strange that Joyent talks about how small words are important, then throws around words like "fired" with such wild abandon.
2013-12-08T21:24:29 < Laurenceb_> I would say that's comparing apples to oranges. "Fired" isn't a gendered word that has larger social ramifications that careless use of pronouns does."
2013-12-08T21:24:31 < Laurenceb_> i lolled
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2013-12-08T21:27:27 < Laurenceb_> "If you’re not familiar with Kickstarter, let me give you a brief rundown. Creatives and entrepreneurs come up with an idea"
2013-12-08T21:27:31 < Laurenceb_> haha creatives
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2013-12-08T21:28:22 < PaulFertser> He might have meant "creatures"
2013-12-08T21:32:11 < jpa-> hmph; my clever button hack is awfully susceptible to moisture
2013-12-08T21:33:02 < jpa-> because there is constant bias voltage between the traces, any moisture will start electrolysis; and if i don't want to clog the buttons, applying conformal coating is difficult
2013-12-08T21:33:47 < Laurenceb_> what are you ding?
2013-12-08T21:34:00 < Laurenceb_> making buttons?
2013-12-08T21:34:24 < jpa-> just connecting buttons to circuit
2013-12-08T21:34:28 < Laurenceb_> ah
2013-12-08T21:34:34 < Laurenceb_> custom made buttons?
2013-12-08T21:34:47 < jpa-> no, just normal small pushbuttons
2013-12-08T21:35:09 < jpa-> but because i did it through ADC, it is somewhat sensitive to any stray resistance   http://koti.kapsi.fi/jpa/stuff/pix/buttons.png
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2013-12-08T21:41:41 < Laurenceb_> i see
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2013-12-08T21:54:07 < Thorn> why is "Makers" capitalized?
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2013-12-08T22:08:59 < fbs> Laurenceb_: fixed?
2013-12-08T22:09:15 < Laurenceb_> no
2013-12-08T22:09:24 < Laurenceb_> i suspect i need to plug in a discovery board
2013-12-08T22:09:34 < Laurenceb_> and hopefully it will fix itself
2013-12-08T22:09:42 < Laurenceb_> or at least ill know what the issue is
2013-12-08T22:09:56 < Laurenceb_> so ill try tomorrow when i have one
2013-12-08T22:10:11 < Laurenceb_> looks like udev got confused
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2013-12-08T22:14:41 < Laurenceb_> on my working machine there is a /dev entry thats always present
2013-12-08T22:14:55 < Laurenceb_> ive got no stlink stuff in /dev here now
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2013-12-08T23:01:24 < fbs> well check the udev rules you got
2013-12-08T23:01:31 < bsdfox> why would you have a persistent /dev entry?
2013-12-08T23:01:34 < fbs> make sure the vid/pid matches what showsup in dmesg
2013-12-08T23:01:46 < fbs> make sure no other rules overwrite them
2013-12-08T23:01:53 < fbs> could rename them to 99-programmer.rules
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2013-12-08T23:13:11 < Laurenceb_> yeah
2013-12-08T23:13:14 < Laurenceb_> im too lazy
2013-12-08T23:13:21 < Laurenceb_> ill wait till ive got some hardware
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2013-12-09T01:11:06 < dongs> hahahah
2013-12-09T01:11:06 < dongs> neptunepine sent me a photo
2013-12-09T01:11:06 < dongs> of front and back of pcb
2013-12-09T01:11:06 < dongs> .. by attacking the dickstarter jpeg to email
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2013-12-09T01:44:47 < fbs> wut
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2013-12-09T02:20:31 < Laurenceb_> god i hate the scots
2013-12-09T02:21:04 < Laurenceb_> why are there scottish shitheads on my tv
2013-12-09T02:21:17 < Laurenceb_> ginger bastards
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2013-12-09T02:35:36 < dongs> oh is that waht ginger crackhouse means
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2013-12-09T02:44:44 < emeb> crackhouse full of redheads?
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2013-12-09T02:49:31 < emeb> http://www.youtube.com/watch?v=KVN_0qvuhhw
2013-12-09T02:55:36 < upgrdman> https://24.media.tumblr.com/f25957254534e304ce9735a9c59b90aa/tumblr_mv03ffBahn1rmequvo1_400.gif
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2013-12-09T08:56:39 < emeb_mac> not clicking
2013-12-09T08:57:24 < emeb_mac> http://www.realclearscience.com/articles/2013/12/09/the_amazing_benefits_of_masturbation_108399.html
2013-12-09T09:08:54 < emeb_mac> sounds fun
2013-12-09T09:10:49 < emeb_mac> that's the hardest part of any good oscillator
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2013-12-09T09:13:18 < emeb_mac> no kidding
2013-12-09T09:13:38 < emeb_mac> inverter rings are nasty
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2013-12-09T11:22:01 < karlp> dongs: the links on http://www.youtube.com/watch?v=knJWK7gcZOY are busted...
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2013-12-09T12:10:49 < dongs> karlp: yea useless imgur
2013-12-09T12:16:37 < karlp> some friend in oz doing christmas light shit was complaining about the ws2811, didn't like their timing or some shit,
2013-12-09T12:16:56 < karlp> raves about dm1642 or some shit, I know nothing about this stuff
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2013-12-09T12:22:42 < dongs> if he cant time 2811 he must be using avr
2013-12-09T12:23:47 < karlp> he was :)
2013-12-09T12:24:00 < karlp> lots of avr boards controlled remotely byt a couple of stellaris
2013-12-09T12:24:05 < dongs> garbage.
2013-12-09T12:24:17 < dongs> fuck
2013-12-09T12:24:19 < karlp> lots a lights, one of these big whole house in time with music setups
2013-12-09T12:24:21 < dongs> i need some F103 with 3 SPI
2013-12-09T12:24:45 < dongs> 3 SPI on RGB
2013-12-09T12:24:47 < dongs> RG..
2013-12-09T12:24:47 < dongs> hmm
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2013-12-09T12:57:58 < dongs> http://i.imgur.com/pvIJ57a.jpg
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2013-12-09T13:14:31 < zyp> dongs, fun fact: windoge is sort of how «windows» is pronounced in some norwegian dialects
2013-12-09T13:17:00 < dongs> zyp, doge is some newfag meme http://www.youtube.com/watch?v=GzZW-XnsMpk
2013-12-09T13:19:06 < zyp> yeah, I know
2013-12-09T13:19:19 < zyp> any news about the connectors/shit?
2013-12-09T13:21:32 < dongs> hm, none. last email 10 days ago asking to go ahead and send 15sample
2013-12-09T13:21:35 < dongs> poking: again
2013-12-09T13:22:11 < dongs> got boards sitting on my desk
2013-12-09T13:22:13 < dongs> red and green
2013-12-09T13:23:21 < zyp> ok
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2013-12-09T13:28:22 < dongs> < dongs> http://i.imgur.com/4jEqu3p.png
2013-12-09T13:28:23 < dongs> < dongs> http://i.imgur.com/tpjWmkp.png
2013-12-09T13:28:26 < dongs> routed in like 30 minutes
2013-12-09T13:34:37 < zyp> what's that?
2013-12-09T13:42:31 < dongs> osd
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2013-12-09T13:50:15 < GargantuaSauce> seems a bit sparse
2013-12-09T13:50:24 < GargantuaSauce> integrated fc+osd+vtx plz
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2013-12-09T14:17:58 < dongie> lol i got some weird trash to work with in next few weeks
2013-12-09T14:27:09 < Thorn> cheating detected, huge pcb
2013-12-09T14:27:13 < dongie> hEH
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2013-12-09T15:15:43 < Laurenceb> http://static1.fjcdn.com/comments/4849881+_26bf72994c0e43bae5fe1af53609512e.jpg
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2013-12-09T15:59:47 < Laurenceb> ooh
2013-12-09T15:59:53 < Laurenceb> stlink gui is alive
2013-12-09T15:59:56 < Laurenceb> very nice
2013-12-09T16:00:17 < Laurenceb> now i finally got libgtk-3-dev to work
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2013-12-09T16:36:31 < Steffan-> it was more than sudo apt-get install libgtk-3-dev Laurenceb? :)
2013-12-09T16:36:46 < Steffan-> your system must be pretty fucked up if it was.
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2013-12-09T16:48:29 < dongie> http://www.kickstarter.com/projects/1883701526/matchboxarm/comments
2013-12-09T16:48:38 < dongie> 3 months behind schedule
2013-12-09T16:48:45 < dongie> for a fucking breakout board
2013-12-09T16:48:47 < dongie> what a joke
2013-12-09T16:49:12 < dongie> you could handsoler 250 of them in 3 months time
2013-12-09T16:53:01 < Laurenceb> http://www.bbc.co.uk/news/technology-25300408
2013-12-09T16:53:57 < dongie> http://www.kickstarter.com/projects/redcrytal/crystal-board-fpga-arduino-arm-soc-in-a-single-dev?ref=category oops
2013-12-09T16:56:58 < dongie> http://www.kickstarter.com/projects/dreamsourcelab/dslogic-multifunction-instruments-for-everyone?ref=category
2013-12-09T16:57:03 < dongie> is this gonna be like openvizsla??
2013-12-09T16:57:35 < dongie> hm just fx2+fpga
2013-12-09T16:57:39 < dongie> nothing revolutionary
2013-12-09T16:58:55 < dongie> software is waht will kill it.. and looks like tis some processing shit
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2013-12-09T17:02:11 < Steffan-> that dslogic is just the openbench la done better
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2013-12-09T20:26:23 < Laurenceb> http://pastie.org/8540203
2013-12-09T20:26:39 < Laurenceb> RN-42 bluetooth flashing that actually works ^
2013-12-09T20:27:42 < Laurenceb> takes 40 seconds to flash my 128kB F103
2013-12-09T20:33:35 < emeb> not bad
2013-12-09T20:39:10 < Laurenceb> its kind of cool with the RN-41 - the class 1 version
2013-12-09T20:39:30 < Laurenceb> i can reflash a device a few hundred meters away in another building
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2013-12-09T20:40:36 < Laurenceb> just need py2exe and a gui
2013-12-09T20:40:41 < Laurenceb> in visual basic of course
2013-12-09T20:47:57 < Steffan-> vb.net isn't THAT bad.
2013-12-09T20:48:06 < Steffan-> if you consider .net not THAT bad.
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2013-12-09T21:29:42 < zyp> Steffan-, if you're modern enough to use .net, why not use a non-garbage .net language?
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2013-12-09T21:37:13 < Steffan-> I didn't say you should use it, but most fancy C# features can be done in VB too nowadays.
2013-12-09T21:38:41 < gnomad> Brainfuck, also, is turing complete...
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2013-12-09T21:40:28 < Steffan-> congratz.
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2013-12-10T01:42:36 < karlp> damnit, trying to capture screenshots for SWO and it doesn't work today. stupid self written software
2013-12-10T01:43:08 < Laurenceb_> heh
2013-12-10T01:43:12 < Laurenceb_> sounds exciting
2013-12-10T01:43:18 < Laurenceb_> i got the GUI working
2013-12-10T01:43:25 < Laurenceb_> its boring :P
2013-12-10T01:43:42 < karlp> trying to write a demo for other people to use swo, and it's not sending out sync frames for some fucken reason
2013-12-10T01:44:42 < zyp> just to spite you
2013-12-10T01:45:22 < karlp> yeah,
2013-12-10T01:45:27 < karlp> tedious
2013-12-10T01:45:41 < karlp> I've had problems with the sync frames before, but not just _not_ getting them at all :)
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2013-12-10T03:10:46 < dongie> fucking morons that submit eagle trash without proper long holes
2013-12-10T03:10:57 < dongie> does eagle not fucking do oval drills or what
2013-12-10T03:10:58 < dongie> Fuck
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2013-12-10T03:15:54 < upgrdman> what do they submit? a series of closely drilled holes, instead of a routed slot?
2013-12-10T03:16:05 < bsdfox> Laurenceb, how did you fix it?
2013-12-10T03:16:05 < bsdfox> I remember it would flash but your bluetooth would break after it was reset
2013-12-10T03:16:18 < dongie> no, closely drilled is the proper way
2013-12-10T03:16:26 < dongie> tehy just make a single hole and add soem bullshit note
2013-12-10T03:16:36 < dongie> "HAY LOOK YOU NEED TO MAKE THIS LONG HOLE"
2013-12-10T03:16:41 < dongie> FUCK OFF AND USE PROPER PCB CAD, FUCKERS
2013-12-10T03:17:07 < bsdfox> dongie, some of the pcb companies will reject the closely drilled holes
2013-12-10T03:17:11 < upgrdman> lol, really? they expect the fab house to fix their design? 'tards.
2013-12-10T03:17:29 < bsdfox> at least on the cheap $10 for 10 type stuff
2013-12-10T03:19:35 < upgrdman> what's SWO for?
2013-12-10T03:20:02 < dongie> debugging
2013-12-10T03:20:28 < upgrdman> well ya, of course, but why do you need/want it? swdio + swdclk works for my trivial stuff.
2013-12-10T03:21:00 < dongie> its faster than swdio
2013-12-10T03:21:10 < upgrdman> it it still SWD?
2013-12-10T03:21:20 < upgrdman> is it*
2013-12-10T03:21:21 < dongie> it uses the JTMS pin i think
2013-12-10T03:22:27 < upgrdman> ok. that reminds me: with $$ debugger hardware and/or software, is it ever possible to read out data without slowing down firmware execution? for example, read out a variable, live, with zero slowing of the firmware?
2013-12-10T03:22:35 < dongie> yes, you always do that
2013-12-10T03:22:41 < dongie> you can do that over SWD just fine
2013-12-10T03:22:50 < dongie> the debug core accesses memory without pausing fw or whatever
2013-12-10T03:22:58 < upgrdman> oh
2013-12-10T03:23:23 < dongie> with swo (and keil at least, no idea about other shit)
2013-12-10T03:23:35 < dongie> you can give it a variable/memory region to watch and it can grab it much faster than over swd
2013-12-10T03:23:41 < dongie> so you can graph/log instant changes
2013-12-10T03:23:48 < upgrdman> cool
2013-12-10T03:25:36 < upgrdman> i know you dont use gdb, but do you or anyone else know how to display a variables value, live and constantly updating?
2013-12-10T03:25:54 < upgrdman> print it obviously one time, not cont.
2013-12-10T03:25:57 < upgrdman> is*
2013-12-10T03:27:03 < bsdfox> upgrdman, I think you can only print when the application is paused
2013-12-10T03:27:12 < upgrdman> ok
2013-12-10T03:27:20 < upgrdman> is that gdb, or any debugger?
2013-12-10T03:27:24 < bsdfox> the display command will make it print the variable every time the program is paused
2013-12-10T03:27:31 < bsdfox> upgrdman, gdb
2013-12-10T03:27:37 < upgrdman> ok
2013-12-10T03:28:24 < bsdfox> I've never seen a debugger that updates continuously while running though. seems it would be hard to read a lot of stuff
2013-12-10T03:28:45 < dongie> bsdfox: >
2013-12-10T03:28:47 < dongie> waht
2013-12-10T03:28:52 < dongie> keil has watch window that updates realtime
2013-12-10T03:28:57 < dongie> standard feature
2013-12-10T03:29:29 < dongie> you can watch vars/memory/whatever
2013-12-10T03:29:35 < dongie> the firmware doesn't pause.
2013-12-10T03:29:58 < upgrdman> will that work with stlink, or do you need something pricey + keil?
2013-12-10T03:30:04 < dongie> stlink works
2013-12-10T03:30:07 < upgrdman> k
2013-12-10T03:30:09 < bsdfox> dongie, what good does that do when your variable is updating at 5Hz+
2013-12-10T03:30:17 < dongie> bsdfox: thats why you use swo
2013-12-10T03:30:26 < dongie> then you can query it faster
2013-12-10T03:30:32 < dongie> + log/graph
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2013-12-10T03:30:49 < upgrdman> temptation....
2013-12-10T03:30:55 < upgrdman> how much is keil for stm32?
2013-12-10T03:31:04 < dongie> 32k free edition worksr
2013-12-10T03:31:09 < dongie> full features.
2013-12-10T03:31:18 < dongie> i doubt your balancing dongle firmware is > 32k
2013-12-10T03:31:19 < upgrdman> when fucking with LCDs my fonts can push close to that
2013-12-10T03:31:21 < dongie> even if you try
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2013-12-10T03:31:31 < dongie> crappy. load fonts off sd card :)
2013-12-10T03:31:33 < upgrdman> ya, segway fucker is just a few K
2013-12-10T03:32:03 < upgrdman> how much for non-limited?
2013-12-10T03:32:52 < upgrdman> i was using keil uvision for 8051 asm class... i actually pushed up against the 2K code limit :)
2013-12-10T03:33:48 < dongie> standard edition aroudn 3k
2013-12-10T03:33:58 < upgrdman> :(
2013-12-10T03:34:09 < dongie> crossworks is $150 for personal
2013-12-10T03:34:10 < dongie> uses gcc
2013-12-10T03:34:13 < dongie> and also has realtime debugger
2013-12-10T03:34:31 < dongie> i'm not sure why none of the opensauce shits figured this stuff out
2013-12-10T03:34:39 < dongie> crossworks also has freetard/trial thing I thin
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2013-12-10T03:40:04 < ds2> anyone know what exactly is a "Semi Auto" Pick and place machine?
2013-12-10T03:43:06 < dongie> means you dont want it
2013-12-10T03:43:29 < dongie> you position sucker over part, push foot pedal
2013-12-10T03:43:32 < dongie> move head over pcb
2013-12-10T03:43:36 < dongie> release pedal
2013-12-10T03:44:29 < ds2> isn't that a manual one?
2013-12-10T03:45:17 < ds2> www.ntscope.com/SM-100.html sounds like it will move by itself...it has steppers but they call it Semi Auto
2013-12-10T03:46:11 < dongie> ther's not much else to semiautomate
2013-12-10T03:46:11 < dongie> biggest prblem with dicknplacing is acutally loading parts
2013-12-10T03:47:08 < ds2> not sure why they would have a camera and motor though
2013-12-10T03:47:23 < ds2> *nod*
2013-12-10T03:48:41 < dongie> camera and motor?
2013-12-10T03:48:48 < dongie> oh
2013-12-10T03:48:52 < dongie> check "operations"
2013-12-10T03:48:56 < dongie> you advance tape yourself
2013-12-10T03:49:00 < dongie> and you have to confirm each drop point
2013-12-10T03:49:07 < dongie> since it has no proper alignment/bottom vision
2013-12-10T03:49:18 < dongie> The machine can be operated with one or two hands: left hand advances tapes, right hand confirms pick and place by clicking on the mouse. No pick up or place confirmation necessary if auto mode is selected. Direct pick and place for small parts and the split vision is used for IC's
2013-12-10T03:49:29 < ds2> Ohhh
2013-12-10T03:49:52 < dongie> Machine moves to the programmed feeder location , lowers the nozzle, waits operator to confirm before picking up the part
2013-12-10T03:49:55 < dongie> lol
2013-12-10T03:49:55 < ds2> so it would be manual feed of reels but if I use cut tape, it would be automatic?
2013-12-10T03:49:57 < dongie> sounds like fucking annoying as cocks
2013-12-10T03:50:14 < dongie> perator pushes on the SX-2 feeder handle to advance the tape, confirms the pick up by click on the mouse
2013-12-10T03:50:26 < dongie> no, feeder = reel = looks like have to push
2013-12-10T03:50:29 < dongie> man, for 5k i expected mroe
2013-12-10T03:50:42 < ds2> is there a cheaper machine?
2013-12-10T03:52:03 < upgrdman> those manual dick-n-place machines... why? it cant be good for mass production, and wouldnt tweezers + microscope/camera work better for professional prototyping ?
2013-12-10T03:52:35 < ds2> tweezers seems to launch parts all too often
2013-12-10T03:53:12 < dongie> motherboard repair technician, rofle
2013-12-10T03:53:12 < dongie> are tehy assembling buttcoin miners??
2013-12-10T03:53:12 < dongie> i see a xilinx chip in tray storage
2013-12-10T03:53:20 < upgrdman> orly? i've never had that problem. you using proper tweezers? i like erop3csa... never had parts fly out except when i was first learning to mess with SMDs
2013-12-10T03:53:33 < dongie> huh, yeah, you musth ave some trash tweezers
2013-12-10T03:53:41 < dongie> i paid like 30 bucks for mine, they never laucnehd any part somewehre
2013-12-10T03:53:57 < ds2> it is more of a handling thing
2013-12-10T03:54:00 < upgrdman> i never launch now. as i said, only when i was first learning
2013-12-10T03:54:06 < ds2> I've used other people's tweezers and I have the same issue
2013-12-10T03:54:14 < ds2> it is the small ones...0201's that I launch
2013-12-10T03:54:26 < upgrdman> ds2: are your tweezers really flexible? if so, there's your problem.
2013-12-10T03:54:35 < dongie> you aint gonna do 0201's with that machine
2013-12-10T03:54:37 < ds2> nope
2013-12-10T03:54:44 < ds2> they claim 0201s
2013-12-10T03:54:49 < dongie> fuck off.
2013-12-10T03:54:54 < dongie> my $30k machine can barely do 0402
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2013-12-10T03:55:09 < ds2> what kind of machine do you have?
2013-12-10T03:55:19 < dongie> some jap trash
2013-12-10T03:55:33 < dongie> it works when itworks, software is absolultely shit
2013-12-10T03:56:08 < dongie> plus i think i spent close to 10k on additional feeders/shit
2013-12-10T03:56:18 < ds2> ah
2013-12-10T03:56:47 < ds2> but presumeably your 30K machine can work at reasonable rates?
2013-12-10T03:56:51 < dongie> yeah
2013-12-10T03:56:58 < dongie> faster than the trash in that video
2013-12-10T03:57:06 < ds2> I'm expecting the cheap machines to be dog ass slow
2013-12-10T03:57:08 < upgrdman> how are 0402's picked up? suction?
2013-12-10T03:57:14 < dongie> they're all picked up that way
2013-12-10T03:57:19 < upgrdman> ok
2013-12-10T03:58:00 < ds2> the other thing is... placing them gets old fast
2013-12-10T04:00:34 < upgrdman> anyone here played with RF modules? im using the cc2500, and even with CRC / FEC / interleaving, i *think* im getting errors in maybe 1/1000 packets. is this normal? would manually adding a checksum be reasonable?
2013-12-10T04:00:56 < dongie> definitely
2013-12-10T04:01:04 < upgrdman> ok
2013-12-10T04:01:24 < upgrdman> so is that kind of error rate reasonable to expect, or is it an artifact of low-cost rf systems?
2013-12-10T04:02:08 < ds2> the cc2500 can auto checksum
2013-12-10T04:02:15 < ds2> (I think)
2013-12-10T04:02:16 < qyx_> wha does error in 1/1000 packets mean?
2013-12-10T04:02:28 < qyx_> how big is one packet?
2013-12-10T04:02:41 < upgrdman> ds2: it will auto CRC / interleave / FEC
2013-12-10T04:03:07 < upgrdman> but i dont think that's enough to catch all errors
2013-12-10T04:03:15 < upgrdman> well ~all. can't catch all
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2013-12-10T04:03:28 < upgrdman> qyx_: 12 bytes per packet
2013-12-10T04:03:43 < upgrdman> + preamble, sync, address, etc.
2013-12-10T04:05:05 < qyx_> i would say it is ok, much benchmarking is done up to 1/1000 bit error rate
2013-12-10T04:05:12 < qyx_> but fec should catch it
2013-12-10T04:06:14 < upgrdman> would adding a checksum byte/word be likely to help catch errors, or would a simple checksum not add much to the auto CRC/FEC
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2013-12-10T04:08:43 < qyx_> if it's crc16 it should be enough for 12byte packet
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2013-12-10T04:11:03 < qyx_> are you getting undetected errors? is the packet properly received but differs from the transmitted data?
2013-12-10T04:11:39 < upgrdman> well it's properly received, and i need another FTDI to properly see if its different from what's transmitted, but im fairly certain it's a packet error
2013-12-10T04:14:54 < upgrdman> im basically read pot's with an ADC, and setting that over the RF link
2013-12-10T04:15:15 < upgrdman> if i look at the pot values on the TX with rs232, they look perfect
2013-12-10T04:15:16 < bsdfox> upgrdman, you're getting crc errors or data errors?
2013-12-10T04:15:33 < upgrdman> at the RX, they glitch every ~1/1000 packets
2013-12-10T04:15:36 < upgrdman> data
2013-12-10T04:15:42 < upgrdman> crc is set to autoflush the rx fifo
2013-12-10T04:15:51 < upgrdman> and i dont read the fifo if its flushed
2013-12-10T04:16:05 < upgrdman> i'll take a quick vid clip
2013-12-10T04:16:43 < qyx_> but these are detectable errors, you are not getting corrupted packets
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2013-12-10T04:17:01 < qyx_> another checksumming won't help you
2013-12-10T04:19:10 < upgrdman> ok
2013-12-10T04:19:20 < upgrdman> and shit... not the problem is gone :)
2013-12-10T04:19:24 < upgrdman> now*
2013-12-10T04:19:33 < upgrdman> maybe someone's wifi was messing with me earlier
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2013-12-10T04:52:46 < dongie> http://www.indiegogo.com/projects/project-aire-phase-one haha
2013-12-10T04:54:53 < qyx_> aire-os uhm
2013-12-10T04:55:02 < dongie> i think thats the least of thier problems
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2013-12-10T06:21:07 < gxti> impressive
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2013-12-10T06:43:51 < emeb_mac> looks like a fake
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2013-12-10T06:45:21 < gxti> no i am 100% convinced that it is super duper real
2013-12-10T06:45:57 < emeb_mac> lulz
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2013-12-10T09:21:44 < zippe> I've never been able to get these RGB LED panels to work
2013-12-10T09:22:01 < zippe> There has to be something I'm missing in how I think they're meant to be driven
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2013-12-10T09:31:54 < zippe> Huh. Now it works.
2013-12-10T09:32:02 < zippe> That'll teach me to complain in public more often
2013-12-10T09:40:56 < dongs> zyp: amtek sent samples out yesterday, i'll get them fwd'd from tokyo office tome soon
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2013-12-10T11:03:03 < Robint91> hi all
2013-12-10T11:03:13 < jpa-> hello
2013-12-10T11:03:54 < Robint91> dongs, and others, do you know where you can get cheap cameras like this https://pbs.twimg.com/media/BRS8Mx0CUAAqSYu.jpg
2013-12-10T11:05:31 < jpa-> ebay? http://www.ebay.com/itm/2pcs-OV7660-0-3-Mega-Pixels-Camera-module-/281187949380?pt=LH_DefaultDomain_0&hash=item41781b9b44
2013-12-10T11:06:07 < Robint91> jpa-, but with a steady stream?
2013-12-10T11:07:10 < jpa-> camera's, like tft's, seem to be changing models pretty fast.. the companies that give long-term availability also charge quite a bit extra
2013-12-10T11:07:26 < jpa-> probably cheaper to get a large lot off alibaba and then switch model when that runs out
2013-12-10T11:07:38 < jpa-> -'
2013-12-10T11:14:19 < Robint91> http://www.86duino.com/
2013-12-10T11:14:21 < Robint91> lol
2013-12-10T11:15:24 < dongs> Robint91: looks like your generic OVxxx-sensor shit
2013-12-10T11:15:37 < dongs> probly just find a chink who makes them on alibaba and buy from them
2013-12-10T11:15:45 < Robint91> dongs, okay
2013-12-10T11:16:47 < dongs> http://www.sunnyoptical.com/en_US/ these are the chinks making those moudles
2013-12-10T11:17:58 < dongs> http://www.sunnyoptical.com/en_US/proxx.jsp?kind_num=016001002001&id=210 haha mouseover 3209
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2013-12-10T11:32:40 < dongs> fuckkkkkkkkkkkkkkkkk
2013-12-10T11:32:42 < dongs> really need to move to altium
2013-12-10T11:32:47 < dongs> doing so much dumb repeating shit in dicktrace
2013-12-10T11:32:58 < dongs> like I have 3-4 diffrent dc/dc blocks thaT I use in many projects
2013-12-10T11:33:04 < dongs> so each fucking one I gotta layout / position it
2013-12-10T11:33:10 < dongs> in altium i could just save teh block and reuse it
2013-12-10T11:33:13 < dongs> both schema and layout
2013-12-10T11:33:34 < dongs> but no fucking time + too much work invested in dicktrace libs/etc
2013-12-10T11:33:55 < jpa-> copypaste doesn't work?
2013-12-10T11:34:19 < dongs> nuuh
2013-12-10T11:34:29 < dongs> cuz refdes and shit
2013-12-10T11:35:14 < jpa-> make your reusable blocks with dedicated refdes.. like C100 C101 etc.. stupid hack, of coures
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2013-12-10T11:35:30 < dongs> i do that already
2013-12-10T11:35:44 < dongs>  i still cant just "copy" it to layout
2013-12-10T11:35:56 < dongs> when I link schema->pcb it has IDs between parts
2013-12-10T11:36:33 < dongs> so it'll drop the dc/dc on board as a bunch of parts together, but even if I paste a working layout and delete the "originals" when i resync those will be gone and originals back in messy layout
2013-12-10T11:36:40 < dongs> anyway, just raging out loud
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2013-12-10T12:26:14 < Laurenceb> <bsdfox> I remember it would flash but your bluetooth would break after it was reset
2013-12-10T12:26:36 < Laurenceb> yeah i was forcing a GPIO on the bluetooth that disabled power to the bluetooth
2013-12-10T12:26:48 < Laurenceb> turns out GPIO setting are stored in EEPROM
2013-12-10T12:27:08 < Laurenceb> so it couldn't complete the eeprom write, and the gpio wne tnutty
2013-12-10T12:27:46 < Laurenceb> so i have to have the micro reset the bluetooth now
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2013-12-10T12:47:24 < Laurenceb> http://cubieboard.org/tag/cubieboard3/
2013-12-10T12:47:28 < Laurenceb> rpi got pwned
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2013-12-10T12:48:56 < dongs> who gives a fuck
2013-12-10T12:49:00 < dongs> its 1) huge 2) not $25
2013-12-10T12:49:16 < dongs> and with a name like "cubietruck" they're set for a total success
2013-12-10T12:49:17 < Laurenceb> http://www.newit.co.uk/shop/All_Cubieboard/Cubieboard2
2013-12-10T12:49:37 < dongs> yeah i have one of those. or maybe the 1st one
2013-12-10T12:49:37 < dongs> whatever
2013-12-10T12:49:39 < dongs> its still shit
2013-12-10T12:49:46 < dongs> Ex VAT: £45.79
2013-12-10T12:49:46 < dongs> Inc. VAT £54.95
2013-12-10T12:49:47 < Laurenceb> better than rpi
2013-12-10T12:49:58 < dongs> the shit i took this morning is better than rpi
2013-12-10T12:50:01 < dongs> whats the point
2013-12-10T12:50:38 < dongs> http://www.kickstarter.com/projects/alexklein/kano-a-computer-anyone-can-make you don't see cubietruck making 1.2mil by bundling it with a chinese wireless keyboard and an orange box
2013-12-10T12:50:53 < Laurenceb> http://tinyurl.com/c6ymfj8
2013-12-10T12:53:25 < Robint91> Laurenceb, WTF
2013-12-10T12:53:39 < Robint91> DON'T CLICK THAT LINK
2013-12-10T12:53:45 < PaulFertser> :D
2013-12-10T12:53:54 < dongs> < clickd and enjoyed
2013-12-10T12:53:56 < Laurenceb> trolld
2013-12-10T12:54:00 < jpa-> have to click, can't resist..
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2013-12-10T12:54:36 < jpa-> not that bad by Laurenceb standards
2013-12-10T13:00:47 < Laurenceb> https://www.dropbox.com/s/r4xiip1cs4xpm0p/rsareshit.png
2013-12-10T13:00:50 < Laurenceb> lolld
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2013-12-10T13:03:37 < dongs> ugh
2013-12-10T13:03:57 < dongs> just got spam
2013-12-10T13:03:57 < dongs> Raspberry Pi Primer Part 3, Installing Arch Linux ARM, GUIX development tool, More
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2013-12-10T14:59:48 < Avi> using stm32F103ret6, when trying to use DMA to send 26 unchanged values over and over again, to a timer pwm, why sometimes at 'random' would 1 cycle go missing?
2013-12-10T15:02:19 < Avi> generally if i have particular things after i initiate the dma transfer, sometimes even if i wait for the transfer, before the additional stuff, then it becomes missing on the next trasfer (among other weird combinations also cause it to occur)
2013-12-10T15:02:56 < dongie> hm
2013-12-10T15:02:59 < dongie> youre doing soemthing wrong then
2013-12-10T15:03:01 < dongie> never had htat happen
2013-12-10T15:03:01 < Avi> im thinking if it was a timing issue, id have an extra cycle, not a missing one
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2013-12-10T15:03:22 < dongie> are you sending ws2811 pixel data by any chance?
2013-12-10T15:03:31 < Avi> ws2812
2013-12-10T15:03:37 < dongie> why 26 then
2013-12-10T15:03:49 < Avi> extra low value at the end
2013-12-10T15:03:57 < Avi> sorry
2013-12-10T15:03:59 < Avi> i mean 25
2013-12-10T15:04:11 < dongie> the reset code?
2013-12-10T15:04:22 < dongie> (orwhatever)
2013-12-10T15:04:48 < Avi> yes (but i add a delay after it anyway to make up the 50us, but it needs to be in a low state first)
2013-12-10T15:05:37 < dongie> if you simply set timer to idle low
2013-12-10T15:05:40 < dongie> and send 24
2013-12-10T15:05:44 < dongie> it will be low once dma is completed.
2013-12-10T15:05:59 < dongie> http://bcas.tv/paste/results/445nIa75.html here's some ugly trash that works
2013-12-10T15:06:07 < dongie> there's both irq and dma versions in tehre, dma was the last one working
2013-12-10T15:06:14 < dongie> compare w/your shit and see.
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2013-12-10T15:06:42 < dongie> i've never had it skip/miss/whatever tho
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2013-12-10T15:06:51 < dongie> so i think maybe your timing is wrong or maybe shitty connections or something
2013-12-10T15:07:13 < Avi> lol thats a lot of code, mines only a page
2013-12-10T15:07:21 < dongie> yeah thers useless trash in there
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2013-12-10T15:07:34 < dongie> shit you need is in setup() and clockout and dma handler
2013-12-10T15:07:52 < dongie> TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Reset;
2013-12-10T15:07:54 < dongie> this is important.
2013-12-10T15:07:56 < dongie> and polarity_low
2013-12-10T15:08:08 < dongie> this way you dont need to send some weird shit
2013-12-10T15:11:54 < Avi> ill have to look in the datasheet
2013-12-10T15:12:02 < Avi> im using register writes not the st lib
2013-12-10T15:12:16 < dongie> pfftr
2013-12-10T15:12:20 < dongie> there's your fuckin problem
2013-12-10T15:13:11 < Avi> by that logic, someone hat to write the st lib, must be the problem, lol
2013-12-10T15:13:15 < Avi> had
2013-12-10T15:13:31 < Steffan-> I still wonder who taught you english dongie :P
2013-12-10T15:13:51 < Steffan-> ( or that teacher was always mad at you "Fuking shiiet you are.." )
2013-12-10T15:19:28 < dongie> avi, you are not wrong
2013-12-10T15:19:30 < dongie> however it works
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2013-12-10T15:21:34 < Avi> that is why it has revisions
2013-12-10T15:21:38 < Avi> as does mine
2013-12-10T15:22:18 < Avi> just a matter of finding the 'wrong' the whole thing isnt WRONG
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2013-12-10T15:52:56 < Laurenceb> wtf
2013-12-10T15:53:38 < Laurenceb> google keeps feeding me captchas
2013-12-10T15:53:46 < dongie> stop searching for goat porn
2013-12-10T15:58:22 < Avi> did you put ketchup on it
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2013-12-10T15:59:26 < Laurenceb> that'd be the peado warning page
2013-12-10T15:59:37 < Laurenceb> i havent been able to trigger it yet :-/
2013-12-10T15:59:47 < Laurenceb> instead it thinks im a script
2013-12-10T16:00:50 < Steffan-> sometimes i think the same.
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2013-12-10T17:05:41 < dongie> overheard in #tarduino
2013-12-10T17:05:47 < dongie> < killown> man....  memset(recieved, 0, sizeof(recieved));    >>>  serial_read:16: error: invalid conversion from 'char' to 'void*'   wtf is that?
2013-12-10T17:05:54 < dongie> how do I memset'd a char foo;
2013-12-10T17:06:39 < zyp> heh
2013-12-10T17:07:16 < dongie> < dongs> if you insist on memsetting  single char, then memset(&received, 0, sizeof(char));
2013-12-10T17:07:19 < dongie> < killown> dongs, that worked thank you
2013-12-10T17:07:21 < dongie> loool
2013-12-10T17:08:20 < Steffan-> dongs in #tarduino ?!
2013-12-10T17:08:43 < Steffan-> it's true.. he is there :S
2013-12-10T17:08:59 < dongie> prime trolling ground
2013-12-10T17:09:06 < Steffan-> no dongs in #sparkfun
2013-12-10T17:09:17 < dongie> that palkce was too retarded even for me
2013-12-10T17:09:23 < dongie> i think i am acutally banened from there
2013-12-10T17:09:32 < dongie> when they were running their dickstarter?
2013-12-10T17:09:36 < dongie> sparkfun pedovan or whatever
2013-12-10T17:09:39 < dongie> ELECTRONCIS 4 SCHOOLS
2013-12-10T17:09:46 < dongie> i went in there and raged out
2013-12-10T17:10:17 < Steffan-> I think #sparkfun is where i met our friend R2COM the first time.
2013-12-10T17:11:10 < trepidaciousMBR> Memset is super efficient, so makes sense to use it ;) They might have a super optimised way of setting a single byte ;P
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2013-12-10T17:15:34 < Steffan-> How fast the shipping from mouser/digikey normally is? ( with the free "because you ordered enough" shipping)?
2013-12-10T17:15:59 < zyp> <48h to me
2013-12-10T17:16:25 < Steffan-> oh, that's nice.
2013-12-10T17:16:46 < Steffan-> i think it'll take me longer to get a CC :)
2013-12-10T17:16:59 < zyp> if I order during the day, it gets packed and sent during the evening (norwegian time), gets to europe the next day, is in norway the morning after, and gets delivered to me during the day
2013-12-10T17:20:02 < Steffan-> prices on farnell are a bit over the top sometimes. ( read: most of the times)
2013-12-10T17:20:23 < Steffan-> same applies to RS, if they have what you want
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2013-12-10T17:21:24 < GargantuaSauce> mouser has been super quick for me too. a lot of semiconductors are a bit expensive there though
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2013-12-10T17:22:24 < BrainDamage> I've been using rs and I can confirm the prices
2013-12-10T17:22:28 < zyp> well, it's not really digikey and mouser that are being fast, it's UPS
2013-12-10T17:22:43 < GargantuaSauce> fedex for me
2013-12-10T17:22:44 < zyp> they both are using UPS, and thus equally fast
2013-12-10T17:22:48 < GargantuaSauce> and yeah that's certainly a factor
2013-12-10T17:23:08 < Thorn> microchip's microAptiv gcc is apparently $1000 for a version that supports -O3
2013-12-10T17:23:18 < zyp> fedex tend to be around as fast as UPS for their fast options
2013-12-10T17:23:55 < zyp> Thorn, good thing they have to give you the sores then, just build it yourself
2013-12-10T17:24:42 < Thorn> as the sourcery toolchain experience suggests, that may not be trivial
2013-12-10T17:26:09 < GargantuaSauce> actually the best part of mouser's free fedex shipping is that they cover the duty and such in advance
2013-12-10T17:26:13 < GargantuaSauce> which for me is 14%
2013-12-10T17:27:55 < Thorn> MIPS microAptiv google results: 11 900. arm cortex-m google results: 19 600 000
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2013-12-10T17:34:46 < dongs> yeah who gives a shit about dick32
2013-12-10T17:34:56 < dongs> i did get them to turn off shitty clipboard stealing spam on their site so
2013-12-10T17:35:01 < dongs> after emailing legal@microchip
2013-12-10T17:38:29 < Laurenceb> clipboard stealing
2013-12-10T17:38:30 < Steffan-> lol you mailed them about that
2013-12-10T17:38:30 < Laurenceb> wtf
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2013-12-10T17:38:46 < dongie> Steffan-: yes
2013-12-10T17:38:49 < dongie> and actually got a follow up
2013-12-10T17:39:09 < Laurenceb> hmm
2013-12-10T17:39:16 < Laurenceb> that would be easy to troll
2013-12-10T17:40:01 < Laurenceb> supposedly firefox doesnt allow this
2013-12-10T17:40:03 < Laurenceb> lol
2013-12-10T17:40:07 < dongie> wut
2013-12-10T17:40:22 < dongie> apparently appending shit to clipboard is kosher
2013-12-10T17:40:26 < dongie> w/o warning
2013-12-10T17:40:33 < Laurenceb> oh
2013-12-10T17:40:38 < Laurenceb> so it adds?
2013-12-10T17:40:46 < dongie> yes
2013-12-10T17:40:51 < Laurenceb> lol who cares
2013-12-10T17:40:55 < dongie> I FUCKING DO
2013-12-10T17:41:07 < dongie> bed
2013-12-10T17:41:23 < Steffan-> this was that website that pasted a link on your clipboard when you tried to copy not?
2013-12-10T17:41:36 < Steffan-> at least when it was more than x characters
2013-12-10T17:41:52 < Thorn> may do this these days
2013-12-10T17:41:56 < Thorn> *many
2013-12-10T17:42:17 < Steffan-> not the websites i visit. ( or it's blocked my ghostery and stuff )
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2013-12-10T17:42:25 < Thorn> but it's not clipboard stealing
2013-12-10T17:42:26 < Steffan-> *by
2013-12-10T17:42:42 < Steffan-> nah, its just not doing what you expect it to do. Which sucks ass
2013-12-10T17:42:43 < Thorn> I'm not sure what dongs meant
2013-12-10T17:42:57 < Laurenceb> yeah i thought he meant copying the clipboard
2013-12-10T17:43:06 < Laurenceb> but thats not poss in most browsers
2013-12-10T17:43:13 < Laurenceb> unless he still runs ie  ...
2013-12-10T17:44:33 < Thorn> maybe some microchip employees on a vacation to japan used his meido cafe account
2013-12-10T17:45:01 < Steffan-> we'll never know. He went to dreamland.
2013-12-10T17:45:03 < Thorn> and he had the account number in his clipboard while visiting microchip.com
2013-12-10T17:45:38 < Thorn> (or at least thought he had)
2013-12-10T17:45:57 < englishman> what kind of browser allows webpages clipboard access
2013-12-10T17:46:03 < Laurenceb> ie6
2013-12-10T17:46:23 < Laurenceb> http://www.aliexpress.com/item/AL-N-AL-solar-water/332872692.html
2013-12-10T17:46:26 < Laurenceb> droolz
2013-12-10T17:46:33 < Thorn> iirc you can enable that in firefox but it's disabled by default
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2013-12-10T17:48:20 < Avi> 3cm hail resistance
2013-12-10T17:48:43 < Avi> we had about that once
2013-12-10T17:49:25 < Laurenceb> no heat pipes fitted :-/
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2013-12-10T18:56:29 < karlp> heh, real time power spectral density of the internal vref channel shows a signal being coupled in from _one_ of teh external channels, but not the others.
2013-12-10T18:57:54 < jpa-> on which family?
2013-12-10T18:58:14 < karlp> L1,
2013-12-10T18:58:27 < karlp> going to chalk it up to dodgy assembly of this device until I try another one,
2013-12-10T18:58:32 < karlp> that can wait til tomorrow :)
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2013-12-10T19:16:49 < madist> englishman: the browser is not sending clipboard contents back to the webserver. Its add crap to your clipboard.
2013-12-10T19:16:55 < madist> I don't think any browser prevents that.
2013-12-10T19:17:54 < englishman> that just sounds like a bad idea
2013-12-10T19:18:06 < karlp> marketing people often come up with "good" ideas
2013-12-10T19:18:10 < englishman> like, it should not be something for a browser to "prevent"
2013-12-10T19:18:23 < englishman> it should be something that is not possible
2013-12-10T19:18:39 < karlp> git hub has a button you can click to add "git clone blah" to your clipboard
2013-12-10T19:18:42 < karlp> it's not all bad.
2013-12-10T19:19:00 < karlp> but "highlight text; paste text; get text+advertising" ? yeah, that's pretty crap
2013-12-10T19:19:14 < karlp> but, dongs got a reply saying they agreed, and it had been turned off
2013-12-10T19:20:51 < englishman> ah yes
2013-12-10T19:21:07 < englishman> still weird
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2013-12-10T19:21:42 < Steffan-> better than this website that replaced the content you tried to copy with a url to the page if you selected more than x characters.
2013-12-10T19:22:27 < madist> worst of all is snopes. their javascript disables copy entirely.
2013-12-10T19:22:40 < madist> if I ever get within stabbing distance of those guys ...
2013-12-10T19:22:57 < Steffan-> lol that trick is still used nowadays?
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2013-12-10T19:28:26 < karlp> heh, tried to get a video, but I'm streaming out too much data for the processing tool to keep up
2013-12-10T19:28:41 < karlp> no wonder it didn't seem to be matching what I was doing by hand :)
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2013-12-10T19:47:24 < jpa-> does someone know that has happened to avago technologies optical navigation sensors (mouse sensors)? seems they have stopped manufacturing them but i can't find any announcement
2013-12-10T19:48:59 < karlp> jpa-: http://short.tweak.pagekite.me/coupling-signal-to-iref-swo-kst2-demo.ogv
2013-12-10T19:49:23 < karlp> needs annotations, but when the f50 hz spike moves up to 100hz and back down, that's me turning the knob on teh function generator
2013-12-10T19:49:42 < karlp> and when it goes nice and flat, that's me plugging the function generator into a different channel
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2013-12-10T19:58:24 < karlp> well, that url will be offline now, I'm, off home.
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2013-12-10T21:06:29 < Tectu> attn dongs (not sure if somebody already posted it so fu) http://www.86duino.com/?p=68
2013-12-10T21:11:22 < ABLomas> oh wow
2013-12-10T21:11:46 < ABLomas> not sure how it will compete by power consumption and other factors, but being x86 compatible...
2013-12-10T21:11:56 < englishman> looks like it can play Descent
2013-12-10T21:12:53 < ABLomas> http://shop.dmp.com.tw/INT/products/23
2013-12-10T21:12:58 < ABLomas> 40$, i take it
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2013-12-10T21:26:49 < bsdfox> I wonder if the gpio is faster than that intel arduino board
2013-12-10T21:27:05 < karlp> how is that ethernet connected?
2013-12-10T21:27:08 < karlp> no actual rj jack?
2013-12-10T21:27:36 < bsdfox> 4 pin breakout on the back.. wtf?
2013-12-10T21:27:54 < karlp> same with the second usb
2013-12-10T21:28:09 < bsdfox> they should have made it a $42 dev board
2013-12-10T21:28:13 < karlp> the pcie edge is nice, the only edge of an arduino you can take to move forwards with
2013-12-10T21:28:25 < karlp> but still, fuck it.
2013-12-10T21:28:28 < karlp> any analog?
2013-12-10T21:28:47 < bsdfox> looks like 6 11bit analog pins
2013-12-10T21:28:48 < karlp> it's ok, it's ISA, that will come in handy
2013-12-10T21:28:55 < bsdfox> I assume that's adc
2013-12-10T21:29:05 < karlp> I like rebuilding 25 year old industrial pcs
2013-12-10T21:29:47 < bsdfox> what makes you say it's isa?
2013-12-10T21:31:27 < karlp>  It integrates PCIE bus, DDR3, ROM controller, xISA, I2C, SPI, IPC
2013-12-10T21:31:33 < karlp> from the .tw page?
2013-12-10T21:31:48 < karlp> it just doesn't appeal to me at all,
2013-12-10T21:32:59 < karlp> what's the sell of x86 these days? that you can use the same compiler on your desktop?
2013-12-10T21:34:26 < bsdfox> not really sure. it's got better peripherals tahn the rpi though for the same price
2013-12-10T21:34:37 < bsdfox> probably a bit slower but.. who cares
2013-12-10T21:35:36 < bsdfox> I could see people running proprietary windows crap on there but 128mb ram sucks
2013-12-10T21:39:13 < karlp> slower than rpi is pretty slow...
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2013-12-10T21:39:22 < karlp> and rpi has hdmi
2013-12-10T21:39:33 < karlp> and an actual ethernet jack...
2013-12-10T21:39:35 < bighead123> Hello
2013-12-10T21:41:30 < bighead123> Does anyone had any experience 30FPS video playback with 8080interface? LCD has D51E5TA7601 controller and no Vsync/Hsync/Dclk pins are available on connector
2013-12-10T21:41:50 < bighead123> resolution is 320x480
2013-12-10T21:41:52 < jpa-> tearing will occur
2013-12-10T21:42:03 < jpa-> unless the controller allows querying vsync someway
2013-12-10T21:42:26 < bighead123> i.e. LCD has only SPI or 8080 mode
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2013-12-10T21:43:02 < bighead123> jpa-: I don't understand, tell me in other words please
2013-12-10T21:45:29 < bighead123> I want to know if common controllers has enough speed in 8080 mode to rewrite 320x480x16 GRAM 30times in second?
2013-12-10T21:46:46 < jpa-> check the timing specs in datasheet, it is easy enough to calculate from there
2013-12-10T21:47:14 < jpa-> it you have 16-bit bus, you need 320*480*30 = ~5 MHz bus clock, which is not very much
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2013-12-10T23:24:46 < carbonizer> hello everybody
2013-12-10T23:25:23 < carbonizer> I'm working with an f4, and in order to see values other that "<value optimized>" while debugging, I had to turn down the optimization to -O0.  The result was program execution being several times slower.  Is this to be expected and/or is there a way to be able to debug while running closer to full speed (actually, I don't think it is the act of debugging that is slowing it down, it is the necessary compiler flags)?
2013-12-10T23:28:01 < zyp> gcc 4.8 will have an -Og level that should provide a fair tradeoff between speed and debuggability
2013-12-10T23:28:11 < zyp> s/should/is supposed to/
2013-12-10T23:29:27 < karlp> when is the -Oe or whatever for energy landing?
2013-12-10T23:29:38 < zyp> «value optimized out» means that you can't print the current value of that variable, because there exists no current value
2013-12-10T23:30:21 < zyp> personally I prefer just building with optimizations all the time, and then recognize that what I'm debugging is not the source, but the resulting assembly
2013-12-10T23:31:45 < karlp> yeah, judiciously marking things as volatile or non-static for a bit will make the dbeugging easier with much less impact than -O0
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2013-12-10T23:35:20 < carbonizer> I was surprised how much the speed changed between the two modes.  However, now that I think about it, I was just working with a blink example, so the amount of optimization is probably much more than you'd typically get.
2013-12-10T23:35:55 < zyp> not really
2013-12-10T23:36:27 < zyp> it depends a bit on how your code and libraries are structured and the APIs
2013-12-10T23:36:28 < karlp> depends how your delays were being done :)
2013-12-10T23:37:37 < zyp> I tend to write code with inlining in mind, so I'm pretty sure my code would run like shit when unoptimized :)
2013-12-10T23:39:03 < carbonizer> I am far from a compiler expert.  I've only worked on one other embedded system (an LPC213x), and I don't have a mentor that knows compiler.
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2013-12-10T23:41:48 < karlp> write whatever you feel like, always use -O<lots>, ignore anyone that "learnt compilers" in the 80s and thinks you still need to write for loops in certain ways to "help" the compiler
2013-12-10T23:42:14 < zyp> yeah
2013-12-10T23:42:14 < carbonizer> karlp: what channel should I go to for gcc options help.  I had a problem that I worked-around, but I think could have been solved with the right compiler flag
2013-12-10T23:42:43 < zyp> you can ask here, pretty much anything goes in this channel
2013-12-10T23:42:47 < karlp> you can always ask here
2013-12-10T23:43:26 < zyp> if it's slightly related to stm32, then it's more on topic than most of what gets discussed here :p
2013-12-10T23:44:24 < carbonizer> my boss is very old school, and while I'm sure a lot of his experience is good, I do often wonder how much of it is no longer applicable to embedded systems today
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2013-12-10T23:45:45 < carbonizer> well, it was I problem I had while working with the LPC213x, but as I said, I think it would have been fixed with the right compiler flag (I just could never find which one)
2013-12-10T23:45:48 < carbonizer> ...
2013-12-10T23:46:39 < zyp> well, you've picked my curiousity :p
2013-12-10T23:52:25 < carbonizer> all of our structs were byte-aligned. If you got a value of a field from the struct using a pointer to the struct (for example: my_struct->my_value), everything would be fine, the compiler knew that the struct was byte-aligned, and would retrieve the value accordingly...
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2013-12-10T23:54:33 < carbonizer> I should have called "my_struct" "my_struct_ptr" for clarity...
2013-12-10T23:56:07 < zyp> so, what did not work then?
2013-12-10T23:58:55 < carbonizer> however, if you tried to use a pointer directly to the field (int* my_value_ptr = &(my_struct_ptr->my_value); *my_value_ptr), it seemed that the compiler didn't know that the value was byte-aligned, and you'd get garbage unless my_value happened to be naturally aligned.
2013-12-10T23:59:34 < zyp> hmm, I haven't worked much with ARM7, does ARM7 allow unaligned access?
--- Day changed Wed Dec 11 2013
2013-12-11T00:00:01 < zyp> ah, no, it does not
2013-12-11T00:00:04 < zyp> ok, that makes sense
2013-12-11T00:00:51 < karlp> only compiler "trick" to fix that would be make the struct not byte aligned, so every field was on a word boundary I guess?
2013-12-11T00:01:15 < zyp> yeah, like non-packed structs are by default
2013-12-11T00:01:32 < zyp> but I assume packed structs are used for a purpose here, like protocol decoding
2013-12-11T00:02:00 < carbonizer> the work-around was a macro that would create a byte-aligned struct of the value you wanted to retrieve so the compiler would know it had to do an unaligned retrieval
2013-12-11T00:02:20 < carbonizer> correct
2013-12-11T00:02:43 < zyp> unfortunately, with pointer accesses, the compiler can't know ahead of time (without heavy static analysis) whether a pointer is aligned or not
2013-12-11T00:04:04 < zyp> so then it has three choices; assume it is aligned, split the access into byte accesses, check whether it's aligned or not and branch
2013-12-11T00:04:49 < zyp> the latter two options have too much runtime overhead to be worth it
2013-12-11T00:05:29 < zyp> so if you're having that problem, you're best off just working with byte pointers and accessing by byte
2013-12-11T00:05:43 < carbonizer> it knows that "my_struct_ptr->my_value" is an unaligned access so shouldn't it know that "&(my_struct_ptr->my_value)" is an unaligned pointer?
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2013-12-11T00:06:56 < carbonizer> I should say, "shouldn't it be easy analysis?"
2013-12-11T00:07:13 < zyp> maybe so, for simple cases
2013-12-11T00:08:04 < zyp> I'm not sure what the standard say about unaligned pointers, however
2013-12-11T00:09:06 < zyp> I guess it's either undefined or machine-dependant, and then it might be that the compiler doesn't bother correcting it, because when you make a pointer to an unaligned field, you've alredy done something you shouldn't do
2013-12-11T00:11:07 < carbonizer> at the least it would have been nice to be able to declare the pointer as unaligned to force it, but I guess that would be an issue with standards
2013-12-11T00:11:51 < carbonizer> you're right
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2013-12-11T00:12:07 < carbonizer> I was never happy that we were doing it that way
2013-12-11T00:13:10 < zyp> also, on the analysis part; it's important to be consistent
2013-12-11T00:14:12 < zyp> if you have a different behavior for the cases that are easy to analyze, you have a recepie for lots of weird issues bordering on whether a pointer is easy to analyze or not
2013-12-11T00:14:29 < zyp> and noone wants that
2013-12-11T00:17:25 < carbonizer> we were really only doing it to simplify communication between different architectures, but I think we could have worked around the potential communication issues.
2013-12-11T00:22:28 < carbonizer> well, thank you for your help.  I should get back to setting up my toolchain
2013-12-11T00:23:20 < zyp> what toolchain?
2013-12-11T00:23:44 < zyp> hmm, nevermind, I'm off to bed
2013-12-11T00:25:13 < carbonizer> I'm trying to replace IAR with Eclipse for the f4 so we can develop on multiple systems, and I can develop on the mac
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2013-12-11T02:20:43 < dongs> sup trolls
2013-12-11T02:21:30 < Thorn> apparently pic32mz has a HUGE errata, e.g. high speed usb doesn't work ('workaround: use FS') etc.
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2013-12-11T02:24:41 < dongs> wait WHATT
2013-12-11T02:24:43 < dongs> Iteaduino Lite adopts chip LGT88A8 which is highly compatible with ATmega88. Compared to ATmega328 on UNO, FLASH and RAM resources of LGT88A8 are relatively less, yet enough for most simple Arduino applications or getting started.
2013-12-11T02:24:51 < dongs> atmega88 china clone
2013-12-11T02:24:53 < dongs> holy shit lol
2013-12-11T02:25:59 < dongs> http://www.lgtic.com/wp-content/uploads/2013/07/LGT8F88A_vs_ATMega88A.pdf
2013-12-11T02:26:41 < karlp> wow
2013-12-11T02:27:19 < dongs> LGT8F88A clock source can only be configured via PMCR register from software
2013-12-11T02:27:22 < dongs> YES FINALLY
2013-12-11T02:27:25 < dongs> something  IMPROVED
2013-12-11T02:27:28 < dongs> it starts up with intrc always
2013-12-11T02:27:37 < dongs> and you can set extclk or whatever by register
2013-12-11T02:27:42 < dongs> instead of bricking the fucking chip
2013-12-11T02:27:55 < karlp> I wonder how many atmega88's you have to replace to make designing and building that worthwhile
2013-12-11T02:28:01 < dongs> haha
2013-12-11T02:28:18 < dongs> so if mega88 is like, $0.50 i wonder how much this shit is
2013-12-11T02:28:20 < dongs> like .10?
2013-12-11T02:28:46 < englishman> also 32MHz
2013-12-11T02:29:01 < englishman> well if the entire tarduino is $5, including cp2102
2013-12-11T02:30:04 < karlp> 32Mhz isn't such a big deal,
2013-12-11T02:30:32 < karlp> if you're design hinges on running at atmega88 30% faster or something, you're probably doing it wrong already
2013-12-11T02:31:02 < karlp> but hey, what would I know, I don't make things that depend on swapping out an atmega88 for a clone
2013-12-11T02:34:28 < dongs> haha
2013-12-11T02:35:04 < dongs> why havent anyone cloed stm32?
2013-12-11T02:35:18 < dongs> with improvemtns
2013-12-11T02:35:21 < dongs> like: HS_USB
2013-12-11T02:35:27 < dongs> might high sink drive
2013-12-11T02:35:32 < dongs> er might=maybe
2013-12-11T02:35:39 < karlp> did you see they have an arduino .rar that adds lgt8f88a support? :)
2013-12-11T02:35:49 < dongs> sure
2013-12-11T02:35:51 < karlp> Larduino!
2013-12-11T02:36:07 <+dekar> is there any reason for malloc to do 8 byte alignment on cortex-m?
2013-12-11T02:36:25 < dongs> is tehre any reason youre using malloc at all
2013-12-11T02:36:54 <+dekar> sadly there is :/
2013-12-11T02:37:39 <+dekar> somehow dlmalloc doesn't like me changing the alignment to 4 byte
2013-12-11T02:42:15 < qyx_> Creative FLASH encryption algorithm based on status change
2013-12-11T02:42:19 < qyx_> what does that mean
2013-12-11T02:44:53 < dongs> it'll encrypt i tself at random
2013-12-11T02:45:06 < dongs> uh oh
2013-12-11T02:45:12 < dongs> just saw a mouse run under my dicknplace
2013-12-11T02:45:21 < dongs> fuck
2013-12-11T02:45:32 < qyx_> japan micromouse
2013-12-11T02:45:54 < dongs> right
2013-12-11T02:45:58 <+dekar> dongs, have the crab hunt down the mouse :D
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2013-12-11T05:07:42 < dongs> 09:13 < gsuberland:##electronics> Visual Studio says final.sln
2013-12-11T05:15:08 < zippe> lotus: final.123
2013-12-11T05:23:21 < dongs> wow so amaze
2013-12-11T05:23:28 < dongs> tried to rework some stuff on top of preheating pad
2013-12-11T05:23:32 < dongs> so much easier!!
2013-12-11T05:23:49 < dongs> ive had that shit sitting on my shelf for like 5+ years not used, shoulda set it up long time ago
2013-12-11T05:23:53 < gxti> wouldn't mind having one but too lazy to buy it
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2013-12-11T05:31:50 < englishman> preheating is leet
2013-12-11T05:39:58 < dongs> having just discovered it i fully agree
2013-12-11T05:40:18 < dongs> no wonder all pro xbox reballers use that
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2013-12-11T06:35:49 < dongs> http://youtu.be/dJ0WyxwpA1g?t=1m27s
2013-12-11T06:35:51 < dongs>  retweet
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2013-12-11T10:50:18 < dongs> cunts
2013-12-11T10:50:25 < dongs> fuck feenode
2013-12-11T10:50:49 < Robint91> lol
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2013-12-11T11:15:22 < dongie> rage
2013-12-11T11:16:38 < zyp> *yawn*
2013-12-11T11:23:34 < karlp> jpa-: proper url now: http://palmtree.beeroclock.net/~karlp/coupling-signal-to-iref-swo-kst2-demo.ogv
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2013-12-11T11:27:57 < jpa-> karlp: interesting
2013-12-11T11:28:06 < PaulFertser> karlp: does it mean you have firmware running on target that constantly measures internal Vref and outputs via ITM?
2013-12-11T11:29:00 < karlp> PaulFertser: yeah
2013-12-11T11:29:07 < PaulFertser> karlp: and is controller Vcc rock-solid stable during that time as measured externally (with a 'scope)?
2013-12-11T11:29:14 < karlp> oh god no :)
2013-12-11T11:29:17 < karlp> that's not the point :)
2013-12-11T11:29:30 < karlp> that's why I'm using the internal ref in the first place :)
2013-12-11T11:30:16 < PaulFertser> karlp: on stm32? Can you use internal vref as an ADC ref?
2013-12-11T11:31:05 < karlp> PaulFertser: no, but it's an extra channel you can read
2013-12-11T11:31:07 < PaulFertser> I'm missing the point apparently, but I've always thought you have no choice with <100pin STM32s other than using Vcc as a Vref and measuring internal Vref as one of the channels.
2013-12-11T11:31:37 < jpa-> so it's not clear whether it couples to Vcc or Vref?
2013-12-11T11:31:55 < PaulFertser> So if your powersupply is rock-solid, you can just learn the coefficent from measuring the vref, and use it when measuring everything else. But if the supply itself oscillates, all bets are off.
2013-12-11T11:32:01 < Robint91> dongie, seen that chinese atmega88
2013-12-11T11:32:04 < Robint91> clone thing
2013-12-11T11:34:08 < dongie> yeah
2013-12-11T11:34:50 < dongie> i was the one who pasted it
2013-12-11T11:34:51 < karlp> PaulFertser: that's not the point, the point of that video is that the signal couples into viref _only_ when the signal is on _one_ of the external channels, not when it's on any of the others
2013-12-11T11:34:58 < PaulFertser> And also you can try to use this value if the factory calibrated it right: uint32_t vref = *(uint16_t*)0x1FF80078; /* Factory-measured internal reference for 3.00V ext. Vref */
2013-12-11T11:35:13 < PaulFertser> karlp: but what makes you sure it couples into vref and not vcc?
2013-12-11T11:35:13 < karlp> yes, that's what I do to calibrate, based on the vref, it works well
2013-12-11T11:35:28 < karlp> because vref==vcc
2013-12-11T11:35:59 < karlp> vref output is just showing what's happening on vcc
2013-12-11T11:37:23 < jpa-> karlp: not necessarily, unless you have measured that vcc oscillates also
2013-12-11T11:37:24 < PaulFertser> karlp: we're probably using different terminology here. For me Vref is one of the channels, and it's always much lower than Vcc.
2013-12-11T11:38:02 < jpa-> it could be either that the internal vref voltage oscillates, or that the vcc (= ADC reference) oscillates
2013-12-11T11:38:15 < PaulFertser> jpa-++ exactly what I mean
2013-12-11T11:39:28 < karlp> you're right, it could.
2013-12-11T11:40:11 < karlp> changes almost zero as far outcome and software goes though.
2013-12-11T11:43:43 < jpa-> well, if it is vcc that oscillates, it can be because of bad regulation there or similar (unstable region of LDO regulator, for example)
2013-12-11T11:44:30 < karlp> in neither case shouldi t matter which channel the external signal is on though :)
2013-12-11T11:44:48 < karlp> anyway, it was more just neat being able to watch the PSD move as I turned the knob on the function generator
2013-12-11T11:44:58 < wm_> using any LC-filter when feeding from vcc?
2013-12-11T11:45:18 < karlp> I'm not (yet) terribly concerned about it as bad behaviour on the board itself, I've only seen it on this one so far,
2013-12-11T11:45:46 < jpa-> karlp: yeah, the single channel thing is weird one :)
2013-12-11T11:46:04 < PaulFertser> I know a guy at work who managed to place all the 100nF Vcc caps (those per stm32 vcc pin) on _another_ (connected) board. Blamed the pcb designer guy, heh.
2013-12-11T11:46:34 < wm_> nice
2013-12-11T11:48:02 < dongie> PaulFertser: haha
2013-12-11T11:53:43 < Thorn> did it run?
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2013-12-11T11:57:22 < PaulFertser> Thorn: yes, but he had some instabilities occassionally :) btw, it was a prototype device for our military :)
2013-12-11T11:58:11 < Thorn> what clock frequency was that?
2013-12-11T11:59:06 < PaulFertser> I guess he used our "default" 8MHz external resonator and ramped it up with PLL to 48MHz or something like that. STM32F103 or similar.
2013-12-11T11:59:47 < dongie> 8mhz can go to 72 on ext crystal/resonator
2013-12-11T11:59:55 < dongie> its the internal shit thats 64 max.
2013-12-11T12:00:31 < PaulFertser> Right, so he might have used 72, whatever the default in st's shit-library.
2013-12-11T12:00:53 < dongie> shitlibrary is amazing
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2013-12-11T12:02:04 < PaulFertser> Yeah, amazingly inconsistent and stupid. Guess all of the authors were professionals.
2013-12-11T12:02:16 < Thorn> default for 103 is 8MHz xtal and 72 MHz core freq
2013-12-11T12:02:19 < Thorn> so it actually run at 72MHz without decoupling caps?
2013-12-11T12:02:33 < dongie> i dont see why not
2013-12-11T12:04:00 < PaulFertser> Thorn: yes, I suppose so.
2013-12-11T12:04:18 < Thorn> I wouldn't expect that
2013-12-11T12:04:32 < PaulFertser> If the power supply is clean enough and EM conditions around are not harsh, it should.
2013-12-11T12:04:36 < karlp> should run, just not do very well at anything that requires changing currents much
2013-12-11T12:05:25 < zyp> running without decoupling caps will pretty much ensure that the power supply isn't clean :p
2013-12-11T12:06:07 < Thorn> iirc I've seen noise on Vcc increase when a LED connected directly to a stm32 pin was turned on
2013-12-11T12:10:51 < dongie> hax
2013-12-11T12:21:05 < dongie> fuu
2013-12-11T12:21:13 < dongie> need stencil for chromebok dixel board
2013-12-11T12:21:21 < dongie> just looking at this 0.3mm pitch shit is making me sick
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2013-12-11T14:05:11 < dongie> heh
2013-12-11T14:05:20 < dongie> i got a 100 2x5 smd headers for like 13 bucks
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2013-12-11T14:05:25 < dongie> the SWD shits
2013-12-11T14:06:23 < Steffan-> wut.. you should give them out for free to us :D
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2013-12-11T14:06:45 < Steffan-> the 1.27mm ones?
2013-12-11T14:06:48 < dongie> ya
2013-12-11T14:07:05 < dongie> i finally ran out of the shit i order from digikey
2013-12-11T14:07:10 < Steffan-> nice, those are like overly expensive on farnell ( and a bit cheaper on digikey and co )
2013-12-11T14:07:12 < dongie> which is osmething like $1+ each
2013-12-11T14:07:13 < dongie> yeah
2013-12-11T14:09:11 < Thorn> >Manufacturer reports possible product shortages, create a reserve
2013-12-11T14:10:06 < zyp> dongie, unshrouded, I guess
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2013-12-11T14:10:58 < dongie> zyp, of course.
2013-12-11T14:11:04 < dongie> just the usual ftsh whatever shit
2013-12-11T14:11:08 -!- dongs [~dongs@l212168.ppp.asahi-net.or.jp] has joined ##stm32
2013-12-11T14:11:32 < dongie> btw im supposed to be getting those pinheaders soon-ish
2013-12-11T14:11:41 < dongie> they're being bounced between taiwan/tokyo office/here
2013-12-11T14:12:02 < dongie> i clicked on someone's fucking mouser link
2013-12-11T14:12:05 < dongie> and now shit is in dutch
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2013-12-11T14:12:09 < dongie> fucking i hate that shit
2013-12-11T14:12:10 < Thorn> the size of the dongs empire is a constant source of logistics problems.
2013-12-11T14:12:11 < zyp> heh
2013-12-11T14:12:40 < dongie> https://www.monolithicpower.com/Lists/LNB%20Power%20Supply/DispForm.aspx?ID=2&Source=https%3A%2F%2Fwww%2Emonolithicpower%2Ecom%2FLists%2FLNB%2520Power%2520Supply%2FAllItems%2Easpx%3FListName%3DLNB%2BPower%2BSupply cute
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2013-12-11T14:14:11 < dongie> too bad japan lnb supply is 11/15V
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2013-12-11T14:21:18 < Thorn> eevblog #555 http://www.youtube.com/watch?v=U6qZPx4uD0g
2013-12-11T14:21:40 < Thorn> he actually says "bloody arduino"
2013-12-11T14:24:26 < Steffan-> i have to watch the entire 65 minutes Thorn?
2013-12-11T14:24:32 < Steffan-> *62
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2013-12-11T14:26:48 < Thorn> yes, it will be in the exam
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2013-12-11T14:29:53 < Laurenceb> anyone here played with nuttx?
2013-12-11T14:31:54 < dongie> zippe is the only user
2013-12-11T14:31:57 < dongie> and main developer
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2013-12-11T14:38:25 < Laurenceb> zippe is mr Nutt?
2013-12-11T14:38:28 < Laurenceb> Nuttjob
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2013-12-11T14:43:36 < dongie> ya
2013-12-11T14:43:42 < dongie> who else do youthink would come upw ith that shit
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2013-12-11T14:46:19 < Laurenceb> NXFLAT is kind of cool
2013-12-11T14:46:23 < Laurenceb> but mad
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2013-12-11T15:12:22 < zyp> hmm, cortex-m0 is kinda annoying
2013-12-11T15:12:27 < zyp> I miss having SCB_CFSR
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2013-12-11T15:13:19 < zyp> now I have the nordic proprietary bluetooth 4 stack hardfaulting on me, and I don't know why
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2013-12-11T15:26:49 < zyp>    0x12ab0:	movs	r3, #1
2013-12-11T15:26:49 < zyp> => 0x12ab2:	ldr	r3, [r3, #0]
2013-12-11T15:27:32 < zyp> this is what is hardfaulting
2013-12-11T15:27:49 < zyp> and I don't get neither what it's attempting to do nor why it is faulting
2013-12-11T15:28:20 < Thorn> unalighed memory accesses to flash are allowed, right?
2013-12-11T15:28:45 < zyp> doing «x/w 1» in gdb works, at least
2013-12-11T15:29:04 < dongie> > gdb
2013-12-11T15:29:06 < dongie> found your problem
2013-12-11T15:29:20 < dongie> still dicking with that nrf shit?
2013-12-11T15:29:24 < zyp> yes
2013-12-11T15:29:28 < dongie> did you check the obvious stuff?
2013-12-11T15:29:32 < dongie> like vector table location, etc
2013-12-11T15:29:40 < Thorn> looks like trying to load a constant from flash, but the address is pretty weird lol.
2013-12-11T15:29:53 < zyp> Thorn, exactly
2013-12-11T15:29:53 < PaulFertser> Yep, extremely weird
2013-12-11T15:29:54 < dongie> Thorn: apparently flash is @ 0x000 in that shit
2013-12-11T15:29:58 < zyp> yes
2013-12-11T15:30:07 < zyp> and 1 is one byte into the vector table
2013-12-11T15:30:18 < zyp> so I don't know wtf it's meaning to do
2013-12-11T15:30:35 < PaulFertser> Is that a self-modifying code to be run from RAM probably?
2013-12-11T15:30:51 < zyp> no, this is running from flash
2013-12-11T15:31:04 < zyp> this code is executed from a timer interrupt
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2013-12-11T15:32:29 < PaulFertser> Probably that branch should never be taken? A timer interrupt routine shouldn't be hard to fully disassemble I hope.
2013-12-11T15:32:51 < zyp> may be
2013-12-11T15:33:24 < jpa-> zyp: can you give more disassembly of that function?
2013-12-11T15:33:49 < dongie> is this your code?
2013-12-11T15:33:51 < dongie> or nrf filth
2013-12-11T15:34:32 < Thorn> is there C source for this code? or is it in rom
2013-12-11T15:35:00 < zyp> dongie, proprietary nrf stuff, so I don't have the source
2013-12-11T15:35:27 < zyp> it's distributed as a binary that have to be flashed to the beginning of flash, before your own code
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2013-12-11T15:37:30 < dongie> hm
2013-12-11T15:37:37 < jpa-> zyp: hmm.. is unaligned access really allowed on cortex-m0? maybe i'm missing some context, but this seems to say the opposite:  http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0497a/BABFAIGG.html
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2013-12-11T15:38:19 < zyp> jpa-, ah, good
2013-12-11T15:38:26 < zyp> that explains why it faults at least
2013-12-11T15:38:44 < jpa-> and kind of means that those two instructions can never work..
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2013-12-11T15:39:03 < jpa-> maybe it is their method of "trigger a fault when something goes wrong", i.e. assert(0);
2013-12-11T15:39:20 < dongie> prett sure there's a less retarded way to do it
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2013-12-11T15:39:50 < zyp> let's see
2013-12-11T15:39:55 < zyp> http://paste.jvnv.net/view/yhNQ6 <- here's the entire function
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2013-12-11T15:40:11 < zyp> ah, no
2013-12-11T15:40:16 < zyp> that's two functions :p
2013-12-11T15:41:08 < zyp> hmm
2013-12-11T15:41:46 < zyp> that's a valid theory
2013-12-11T15:41:46 < jpa-> 0x12aae is nop, so the function probably begins at 0x12ab0, right?
2013-12-11T15:41:59 < zyp> I guess
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2013-12-11T15:43:22 < zyp> hmm, the value from the invalid load is never even used for anything
2013-12-11T15:43:32 < zyp> so you might be right
2013-12-11T15:44:08 < PaulFertser> You even "can't" end up in that location, it's after "pop pc" and no branching leads there
2013-12-11T15:44:31 < zyp> PaulFertser, sorry, it's a new function
2013-12-11T15:44:42 < jpa-> it also seems that another function might begin at 0x12ab4
2013-12-11T15:45:19 < PaulFertser> That might be data, not code. You shouldn't be jumping there from anywhere I suppose.
2013-12-11T15:45:38 < zyp> nah, I believe jpa-'s theory
2013-12-11T15:45:40 < jpa-> (easy to check if there are branches to 0x12ab4; if yes, that pretty much means that 0x12ab0 is "crash_now()")
2013-12-11T15:46:41 < zyp> hard to say where it's coming from if it doesn't set lr though
2013-12-11T15:46:49 < zyp> and following lr didn't give me anything sensible
2013-12-11T15:47:18 < jpa-> does it take long to occur?
2013-12-11T15:47:31 < jpa-> i.e. could you just make a trace with stepi?
2013-12-11T15:48:41 < jpa-> did you search for places that jump there? do they use bl or b?
2013-12-11T15:48:52 < dongie> zyp: can  you /msg me the .elf?
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2013-12-11T16:02:12 < zyp> ah, yeah, this is an assert
2013-12-11T16:02:23 < zyp> http://paste.jvnv.net/view/tKXHt
2013-12-11T16:02:53 < zyp> lines 18 and 19 store filename and line number, and 20 calls some handler that saves them somewhere before trigging a hardfault
2013-12-11T16:03:20 < zyp> then the hardfault handler retrieves them, and passes them up to my code
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2013-12-11T16:23:55 < karlp> hrm, this coupling seems to be on all my boards, but only when it's the _last_ channel before the iref in the regular sequence.
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2013-12-11T16:38:30 < Tectu> https://www.dropbox.com/s/s0d6m0n4tihz6yf/IMG_00000121.jpg
2013-12-11T16:38:32 < Tectu> anybody?
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2013-12-11T16:46:25 < karlp> can't do much in that box
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2013-12-11T16:48:09 < Laurenceb> http://www.youtube.com/watch?v=z_PxhU9i9Ng
2013-12-11T16:48:54 < jpa-> karlp: do you have sufficient sampling time (>10µs) for the vref?
2013-12-11T16:51:48 < zyp> Tectu, I think I have all those, including the NGX box in the background
2013-12-11T16:51:59 < zyp> either that or a very similar NGX box
2013-12-11T16:52:03 < karlp> yeah, that's what I was about to look at next,
2013-12-11T16:52:25 < karlp> I tried measuring it before the regular sequence instead of after but that made no obvious difference
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2013-12-11T16:54:50 < Tectu> zyp, heh
2013-12-11T16:55:20 < zyp> where's the pic from?
2013-12-11T16:56:11 < Tectu> zyp, german friend
2013-12-11T16:56:27 < Tectu> I have only one STM32F429i-Discovery
2013-12-11T16:56:44 < Laurenceb> http://artifactory.org.au/wp-content/uploads/2013/03/P1020017edit.jpg
2013-12-11T16:56:49 < Tectu> but three F407, three F303, one STM8, an STM32VL and an STM32F439i-Eval
2013-12-11T16:57:01 < Steffan-> Not even an L152, too sad.
2013-12-11T16:57:05 < Tectu> nope
2013-12-11T16:58:14 < karlp> jpa-: where'd you get that 10µsec figure from?
2013-12-11T16:58:39 < zyp> I only have one of most of the boards, except the M24LR
2013-12-11T16:58:42 < zyp> got nine of them .p
2013-12-11T17:00:34 < karlp> it says 10uSec on the temp ref in section 6.3.18 of the datasheet,
2013-12-11T17:00:41 < karlp> you got them to use the reader part didn't you zyp?
2013-12-11T17:00:59 < zyp> yes
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2013-12-11T17:08:10 < jpa-> karlp: T_svref in datasheet section Operating conditions -> 6.3.3 Embedded internal voltage reference
2013-12-11T17:13:00 < karlp> hrmm, will try that.
2013-12-11T17:13:12 < karlp> it's working being before instead of after now,
2013-12-11T17:13:23 < karlp> will try it with a longer hold on teh iref, was only 3-4usecs before
2013-12-11T17:14:20 < jpa-> i had 6µs on mine today.. caused it to read as ~1700 instead of ~1500
2013-12-11T17:17:25 < karlp> might have to swo some iref out, see what it looks like now
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2013-12-11T17:23:00 < karlp> jpa-: nice catch on the 10usec thing, I had never noticed that.
2013-12-11T17:23:27 < karlp> setting the viref to 4adc cycles makes the std-dev much higher for my readings than using 192adc cycles.
2013-12-11T17:23:43 < karlp> (not a _lot_, but measurably)
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2013-12-11T18:50:31 < Tectu> oh dear... some people have a lovely coding style
2013-12-11T18:50:31 < Tectu> if(xTaskCreate(fn,(signed char*)"uGFX_TASK",stacksz,param ,prio, &task )!=pdPASS){for(;;){}}
2013-12-11T18:51:12 < Thorn> I see two spaces
2013-12-11T18:51:21 < Tectu> I see three...
2013-12-11T18:51:34 < karlp> only 2 optional ones
2013-12-11T18:51:38 < karlp> no, three,
2013-12-11T18:51:39 < Thorn> one of them is before a comma, but it's still not hopeless
2013-12-11T18:51:39 < karlp> doh
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2013-12-11T19:04:53 < effractur> 7
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2013-12-11T19:22:27 < Steffan-> 8 for sure effractur
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2013-12-11T20:12:02 < fbs> 7.89652
2013-12-11T20:13:54 < Steffan-> only the dutchies reply  ( and blame the other dutchy for starting it )
2013-12-11T20:18:38 < effractur> aye
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2013-12-11T20:20:05 < fbs> does the f429 disco have the same pinout as the f4disco?
2013-12-11T20:20:25 < effractur> no
2013-12-11T20:20:34 < fbs> :/
2013-12-11T20:20:43 < effractur> y it is quite sad :(
2013-12-11T20:21:33 < bsdfox> do people actually make carrier/addon boards for the discoverys?
2013-12-11T20:21:56 < fbs> i was looking at buying one with ethernet
2013-12-11T20:22:23 < fbs> http://www.armkits.com/product/DM-STF4BB.asp farnell has it
2013-12-11T20:24:25 < bsdfox> wow that's expensive
2013-12-11T20:24:50 < fbs> 30 euro isnt that bad i guess
2013-12-11T20:25:19 < zyp> waveshare also makes some
2013-12-11T20:25:41 < fbs> shipping takes a lot longer tho
2013-12-11T20:25:42 < zyp> but I'd rather buy one of the waveshare boards with the chip on the board, since it doesn't reserve any pins
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2013-12-11T20:26:09 < bsdfox> does the f429 have an ethernet phy or is that chip on the carrier?
2013-12-11T20:26:51 < fbs> the one i linked has phy on the baseboard, but thats for the 407
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2013-12-11T22:03:52 < zyp> «Congrats, Vegard! You were among the first 20% of people to discover one of the top 10 trending videos of 2013.»
2013-12-11T22:03:55 < zyp> dongs, thanks for that
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2013-12-11T22:30:32 < carbonizer> karlp: zyp: thank you for the help yesterday.  openocd instead of st-util fixed by termination issue and volatile gets around the optimization issue nicely
2013-12-11T22:31:55 < Thorn> you mean you cured the 'value optimized away' messages just by changing gdbservers?
2013-12-11T22:32:14 < zyp> Thorn, no, as he said, marking the variable volatile does
2013-12-11T22:32:39 < Thorn> I see, had a parse error
2013-12-11T22:32:41 < carbonizer> no, openocd fixed the server dying when I terminated the session in eclipse
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2013-12-11T22:35:27 < Laurenceb_> interesting
2013-12-11T22:35:33 < carbonizer> is there a way to have the code send printf statements or something similar to the gdb console if you are debugging?
2013-12-11T22:35:56 < fbs> gdb console = stdout in that case
2013-12-11T22:36:03 < Laurenceb_>  data-sections breaks my code
2013-12-11T22:36:33 < Laurenceb_> seems like it screws with my printf implementation if im using LTO as well
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2013-12-11T22:37:16 < Laurenceb_> but only about once every 10^7 printf calls
2013-12-11T22:37:20 < Laurenceb_> very annoying
2013-12-11T22:37:26 < fbs> sure it isnt something else?
2013-12-11T22:38:05 < Laurenceb_> nope
2013-12-11T22:38:18 < Laurenceb_> but removing data-sections fixes it
2013-12-11T22:38:31 < fbs> ah
2013-12-11T22:38:33 < Laurenceb_> and the problem seems to be printf outputting nothing when called
2013-12-11T22:38:50 < Laurenceb_> i might be bothered to debug more tomorrow :P
2013-12-11T22:39:02 < Laurenceb_> also seems to occur when LTO is enabled
2013-12-11T22:39:04 < fbs> well check the differences in generated code
2013-12-11T22:39:32 < Laurenceb_> yeah its only a very small difference
2013-12-11T22:39:36 < fbs> how much does the code size differ with lto & data-sections anyway?
2013-12-11T22:39:46 < Laurenceb_> lto shaves off about 8%
2013-12-11T22:39:59 < Laurenceb_> data sections causes it to grow by 12bytes
2013-12-11T22:40:23 < Laurenceb_> so i dont want it anyway
2013-12-11T22:42:34 < Laurenceb_> ill investigate more when sufficiently bored
2013-12-11T22:45:41 < zyp> sectioning .data adds padding since the sections will be aligned
2013-12-11T22:45:53 < zyp> thus the increase
2013-12-11T22:46:17 < Laurenceb_> ah
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2013-12-11T22:46:40 < Laurenceb_> i wonder why it breaks
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--- Day changed Thu Dec 12 2013
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2013-12-12T00:28:36 < karlp> zyp: what video?
2013-12-12T00:30:11 < karlp> carbonizer: re: console to gdb, read the readme.txt in gcc-arm-embedded about rdimon.specs, and do "monitor arm semihosting enable" in openocd andyou should be good
2013-12-12T00:30:17 < karlp> but it's somewhat intrusive,
2013-12-12T00:30:26 < karlp> you won't be able to do anything very timing sensitive that way
2013-12-12T00:35:05 < karlp> zyp has a nice ring buffer that you print to in code, and that gdb assemebles and dumps for you demand,
2013-12-12T00:35:23 < karlp> SWO is another way with support quality depending on how much you paid for your tools
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2013-12-12T01:03:01 < zyp> oh yeah, that bug I was debugging earlier today?
2013-12-12T01:03:11 < zyp> I had a semihosting print inside an event callback
2013-12-12T01:03:25 < zyp> it messed up the timer of the bluetooth stack so it hit an assert
2013-12-12T01:03:32 < zyp> when I removed the print, it worked properly
2013-12-12T01:03:59 < zyp> timing*
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2013-12-12T01:04:31 < zyp> it also worked sometimes, but failed in most cases
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2013-12-12T01:13:00 < karlp> you need swo ;)
2013-12-12T01:13:08 < karlp> or more rblog or whatzi
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2013-12-12T01:26:13 < zyp> I don't think there is swo on m0
2013-12-12T01:26:20 < zyp> or is it?
2013-12-12T01:26:33 < karlp> ah, no.
2013-12-12T01:27:49 < zyp> the rblog approach is nice, but the code is C so I'd have to reimplement it, and I'm running linux on my work computer, and currently I'm too lazy to rebuild gdb with python support
2013-12-12T01:28:14 < zyp> and rblog doesn't give me a nice realtime trace :p
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2013-12-12T01:30:06 < karlp> well, stop using m0/+ then ;)
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2013-12-12T01:30:44 < zyp> well, I could as well use an uart :p
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2013-12-12T01:37:46 < karlp> if you have a spare one ;)
2013-12-12T01:37:56 < karlp> some of the m0/+ parts I've seen have been pretty light in that regard
2013-12-12T01:38:13 < karlp> but youve' got the BT on chip, not connected via a uart I guess
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2013-12-12T02:19:40 < dongs> sup dongs
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2013-12-12T03:30:22 < zyp> karlp, yeah, and the uart is already wired to the jlink-ob
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2013-12-12T05:48:06 < timemob> sup chat space
2013-12-12T05:49:14 < bvsh> bored..)
2013-12-12T05:50:17 < timemob> same
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2013-12-12T06:00:15 < dongs> 18:21 < JFK911:##electronics> i tried to put a swastika in the soldermask, under a regulator.
2013-12-12T06:00:18 < dongs> 18:21 < JFK911:##electronics> i got a call from the board house.
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2013-12-12T06:08:06 < GargantuaSauce> all the more reason to etch at home
2013-12-12T06:08:38 < dongs> http://i.imgur.com/DLVFs8C.jpg time to dickstart
2013-12-12T06:08:48 < GargantuaSauce> uh
2013-12-12T06:08:52 < GargantuaSauce> no you're doing it wrong
2013-12-12T06:08:56 < GargantuaSauce> kickstart first, implement later
2013-12-12T06:10:05 < timemob> lol
2013-12-12T06:10:42 < timemob> ya I might break the internet with a first legit dickstarter
2013-12-12T06:10:54 < timemob> that isn't a scam
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2013-12-12T07:37:43 < dongs> zyp, i found someone you can ask about your nrf troubles
2013-12-12T07:38:13 < dongs> zyp: http://www.indiegogo.com/projects/smarty-ring
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2013-12-12T08:20:30 < Thorn> http://www.indiegogo.com/projects/smarty-ring?c=comments <-- 2nd comment "it seems you want to steal our idea by asking series of questions. if we don’t answer about exact technology" lol
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2013-12-12T09:34:15 < jpa-> Thorn: wouldn't it be great for them if someone figures out how to actually implement that idea :D
2013-12-12T09:34:25 < dongs> Thorn: they're using ams 132led driver chip x2 (AS1130) + nrf nRF51822 cortex m0/ble shiz
2013-12-12T09:34:28 < Thorn> lol
2013-12-12T09:34:41 < dongs> but i see no battery management or induction charging shit anywehre.
2013-12-12T09:35:19 < Thorn> how about the antenna stuff in a metal package
2013-12-12T09:35:32 < dongs> well never mind that
2013-12-12T09:35:36 < Thorn> afair apple engineers use all kinds of tricks
2013-12-12T09:35:37 < dongs> im just talkin about shit on their "pcb" sample
2013-12-12T09:35:45 < dongs> they're just using some rnadom pcb antenna thing
2013-12-12T09:37:57 < jpa-> maybe they'll replace the stainless steel for stainless plastic :)
2013-12-12T09:38:51 < Thorn> so they're using some kind of led matrix for the display?
2013-12-12T09:40:08 < Thorn> looking at their 3d renders you could say it's an oled
2013-12-12T09:40:27 < dongs> Thorn: no just individual leds
2013-12-12T09:40:40 < dongs> 11x?? array of them
2013-12-12T09:40:44 < dongs> using dual AS1130 drivers.
2013-12-12T09:40:50 < dongs> circuit is basically as1130 reference design
2013-12-12T09:41:16 < dongs> http://www.ams.com/var/plain_site/storage/images/products/lighting-management/led-driver-ics/as1130/as1130-block-diagram/834713-1-eng-GB/AS1130-block-diagram_f524.gif
2013-12-12T09:41:47 < Thorn> okay I think I see common terminals of those leds all connected together on the red layer
2013-12-12T09:41:55 < dongs> yeah
2013-12-12T09:42:19 < dongs> anyway, its def that chip
2013-12-12T09:42:26 < dongs> macetech used it for led glases
2013-12-12T09:42:34 < dongs> and i bought a reel of that shit for assembly
2013-12-12T09:42:53 < dongs> and nrf thing i checked datasheet + ball layout is pretty unique so it has to be that
2013-12-12T09:42:59 < dongs> its missing a bucnh of balls in oene corner
2013-12-12T09:43:04 < dongs> and xtal pads match
2013-12-12T09:43:08 < dongs> A1/A2 or something
2013-12-12T09:43:12 < dongs> blue board is  flipped
2013-12-12T09:43:16 < Thorn> >28-pin SSOP (planned)
2013-12-12T09:43:23 < dongs> i bet tarduino faggots are dying for that
2013-12-12T09:44:17 < Thorn> is the pcb 2 layers only? no ground plane?
2013-12-12T09:44:36 < dongs> didnt check that far. might be 2l only.
2013-12-12T09:44:53 < Thorn> why bother connecting common terminals otherwise
2013-12-12T09:44:55 < jpa-> 2 layers would be quite common for flexpcb
2013-12-12T09:45:37 < Thorn> good luck making it work with a radio transmitter
2013-12-12T09:46:19 < jpa-> plenty of rf stuff uses 2 layers..
2013-12-12T09:46:32 < dongs> it will work but there are many other issues with that shit.
2013-12-12T09:46:37 < jpa-> yeah
2013-12-12T09:46:41 < dongs> those AMS drivers were a bitch to keep mounted even on rigid PCB
2013-12-12T09:46:52 < dongs> hm, actually i guess on flex it won't be so bad, once itts bent
2013-12-12T09:46:56 < dongs> since its enclosed and shit
2013-12-12T09:47:08 < dongs> but on ledglasses it was pretty easy to twist it enough to tear the pads off.
2013-12-12T09:47:18 < Thorn> SSOP already available? http://www.elitan.ru/price/index.php?seenform=y&find=AS1130-BSST%40AUMS+&deley=-1
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2013-12-12T09:47:44 < jpa-> theoretically they could even reflow the solder after the pcb is bent, if it proves a problem
2013-12-12T09:48:02 < dongs> are you gonna use it for something?
2013-12-12T09:49:06 < Thorn> it costs ~ as much as a f429 in qty of 10
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2013-12-12T09:50:31 < dongs> in soviet russia , led matrix drives you
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2013-12-12T10:04:33 < Thorn> no nRF51822 in farnell or digikey
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2013-12-12T10:32:30 < dongs> Thorn: ask zyp he has some
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2013-12-12T10:44:53 < Robint91> mhh
2013-12-12T10:44:56 < Robint91> this is nice
2013-12-12T10:44:57 < Robint91> http://www.semicon.panasonic.co.jp/ds4/MN63Y1210A_E.pdf
2013-12-12T10:47:45 < Thorn> http://www.digikey.com/product-highlights/us/en/silicon-laboratories-zero-gecko/3966
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2013-12-12T11:02:44 < dongs> zero gooko
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2013-12-12T12:40:56 < Laurenceb> arg
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2013-12-12T12:41:20 < Laurenceb> data-sections causes tons of changes to disassembly
2013-12-12T12:41:26 < Laurenceb> im not wading through this
2013-12-12T12:42:19 < jpa-> "An ATtiny84 wouldn’t do the trick (too inaccurate), nor would an external crystal (too expensive) — But a real-time clock? That’s the ticket! He’s using a DS3231 RTC chip, which at +/- 2ppm 32.768kHz is more than precise enough."    new low on hackaday summaries
2013-12-12T12:42:45 < Laurenceb> fail
2013-12-12T12:44:07 < Laurenceb> maybe im doing some sort of badness in rfprintf
2013-12-12T12:44:23 < Laurenceb> and it only overwrites other variables with the data-sections
2013-12-12T12:44:34 < Thorn> I assume that DS3231 has a builtin xtal?
2013-12-12T12:44:41 < Thorn> yes looks like so
2013-12-12T12:45:03 < Laurenceb> Thorn: yes
2013-12-12T12:45:05 < Laurenceb> http://www.procyonengineering.com/embedded/avr/avrlib/docs/html/rprintf_8c-source.html
2013-12-12T12:45:13 < Laurenceb> ^its quite bad...
2013-12-12T12:45:20 < Laurenceb> im  not debugging that
2013-12-12T12:45:25 < Thorn> Laurenceb: what kind of disassembly changes? changes in addresses only or something more than that?
2013-12-12T12:45:57 < Laurenceb> use of registers all offset by 1 and stuff
2013-12-12T12:47:00 < Laurenceb> it seems to very rarely output "\r\n" when passed some integers to print
2013-12-12T12:47:12 < Laurenceb> only with both data-sections and lto
2013-12-12T12:47:18 < jpa-> but deterministic with the specific input?
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2013-12-12T12:50:16 < Thorn> reminds me of my troubles with printf in a lpc11c
2013-12-12T12:50:35 < Thorn> I never fixed those and all the devices went into deployment
2013-12-12T12:50:54 < jpa-> Laurenceb keeps having trouble with printf.. it's been going on for years now
2013-12-12T12:50:55 < Thorn> I need to make myself do a dev board for that chip
2013-12-12T12:54:44 < jpa-> http://paste.dy.fi/GPs/plain
2013-12-12T12:55:53 < Thorn> sounds like someone from alcoholics anonymous
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2013-12-12T13:20:03 < dongs> i'm glad i never had issues with keil printf
2013-12-12T13:20:05 < dongs> it even does floats
2013-12-12T13:20:11 < dongs> and takes up LESS space than float-less opensores prinf.
2013-12-12T13:20:20 < dongs> imagine that.
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2013-12-12T13:37:45 < Thorn> btw why is 429i discovery export controlled? it seems to have the same gyro as the f4 discovery. is it the stm32 itself?
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2013-12-12T14:25:40 < dongie> Thorn: does 429 have crypto by default?
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2013-12-12T14:27:40 < zyp> no, I think there is a 439 with crypto
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2013-12-12T14:28:05 < zyp> I think all 42x variants have corresponding 43x variants, just like 40x vs 41x
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2013-12-12T14:29:42 < dongie> zyp, status of
2013-12-12T14:29:52 < dongie> < dongs> zyp, i found someone you can ask about your nrf troubles
2013-12-12T14:30:02 < dongie> < dongs> zyp: http://www.indiegogo.com/projects/smarty-ring
2013-12-12T14:31:05 < zyp> saw that
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2013-12-12T14:35:33 < dongie> http://align.sblo.jp/article/81679559.html lol
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2013-12-12T14:38:14 < dongie> zyp is being quet because he's CTO for smarty-ring
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2013-12-12T14:42:28 < Steffan-> I would be quiet if i were to start a ks or indigogo project too :P
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2013-12-12T14:49:55 < Laurenceb> is that 3d printing?
2013-12-12T14:50:10 < Laurenceb> wtf
2013-12-12T14:50:24 < Laurenceb> http://vnc.sakura.ne.jp/sblo_files/align/image/IMG_20131129_170343.jpg
2013-12-12T14:50:28 < Laurenceb> looks hawt
2013-12-12T14:50:34 < Laurenceb> cnc mill?
2013-12-12T14:50:53 < zyp> dongie, haha, no, just busy
2013-12-12T14:51:33 < dongie> Laurenceb: no he says he ordered it
2013-12-12T14:51:34 < dongie> from DMM
2013-12-12T14:51:46 < Laurenceb> wtf is DMM?
2013-12-12T14:51:52 < dongie> im guessing some local jap 3d printing scamshop
2013-12-12T14:51:58 < dongie> similar to whatever that big oen in usa is
2013-12-12T14:52:05 < Laurenceb> quality is actually good
2013-12-12T14:52:07 < zyp> shapeways?
2013-12-12T14:52:09 < dongie> sahpeways
2013-12-12T14:52:09 < dongie> yea that
2013-12-12T14:52:20 < Steffan-> "Every time every paypal." .. lol?
2013-12-12T14:52:28 < dongie> no clue there
2013-12-12T14:52:29 < dongie> not my blog
2013-12-12T14:52:45 < zyp> dongie, got much experience with custom enclosures?
2013-12-12T14:52:55 < dongie> zyp, just the shit I can get from takachi-el
2013-12-12T14:53:07 < dongie> they'll custom cut/silkscreen/etc anything but it isnt cheap
2013-12-12T14:53:48 < zyp> I'm thinking about making nfc keypads, i.e. like a numpad with nfc reader built in
2013-12-12T14:55:26 < zyp> but I'm not sure what to do about enclosure, having the pcb with exposed circuits underneath is kinda ghetto
2013-12-12T14:55:42 < dongie> http://takachi-el.co.jp/data/catalog/catalog01.html they have lots of plastic shit.
2013-12-12T14:55:54 < dongie> or even alu etc.
2013-12-12T14:56:12 < Laurenceb> looks hawt
2013-12-12T14:56:55 < dongie> http://takachi-el.co.jp/data/f_form/images/sample_lcs.jpg these should look nice for databloggers
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2013-12-12T14:58:28 < karlp> how is an external crystal too expensive, but a ds3231 is ok?
2013-12-12T14:59:09 < karlp> wow, for measuring mains frequency?
2013-12-12T14:59:12 < karlp> thats.... absurd
2013-12-12T15:00:08 < dongie> with ds3231?
2013-12-12T15:00:37 < dongie> how does that work, they measure cycles per second tick or soemthing?
2013-12-12T15:00:50 < karlp> didn't feel like reading any further
2013-12-12T15:01:10 < dongie> where is this
2013-12-12T15:01:19 < karlp> hacakday, jpa was talking about it earlier
2013-12-12T15:01:22 < dongie> o rite
2013-12-12T15:01:25 < dongie> uselessaday
2013-12-12T15:02:18 < jpa-> though i guess a corner store may have ds3231 but only crappy 50ppm crystals
2013-12-12T15:02:43 < karlp> mouser has ds3231 at almost $10 in singles though,
2013-12-12T15:04:26 < dongie> ds3231 is around $2.10 @ 1k qtys
2013-12-12T15:06:55 < englishman> well that's a very precise crystal vs. a clock crystak
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2013-12-12T15:07:05 < englishman> 2ppm 32khz is like 60mHz
2013-12-12T15:08:16 < zyp> huh?
2013-12-12T15:08:40 < jpa-> quite basic for any tcxo
2013-12-12T15:08:57 < jpa-> though he only needs 20ppm anyway
2013-12-12T15:09:53 < karlp> nope, external crystal would cost too much!
2013-12-12T15:09:54 < zyp> measuring deviation in absolute terms doesn't make sense, since it's the relative deviation that remains the same when you divide/multiply it
2013-12-12T15:10:25 < englishman> hackaday may be retarded but tcxos are about the same price
2013-12-12T15:11:01 < englishman> cheapest 32.768kHz is $9.85
2013-12-12T15:12:05 < englishman> ds3231 is $9.6
2013-12-12T15:12:05 < englishman> meh
2013-12-12T15:12:11 < karlp> if you're convinced that you need the absolute measurement for a project that is allegedly measuring drift over time
2013-12-12T15:12:12 < englishman> digikey canada is shitty
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2013-12-12T15:14:53 < jpa-> well considering he only displays down to 20ppm, even this would be mostly sufficient: http://fi.farnell.com/raltron/r26-32-768-12-5/crystal-tuning-fork-32-768khz/dp/1652573
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2013-12-12T15:39:14 < Thorn> 429 doesn't have crypto, 439 does
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2013-12-12T15:48:30 < dongie> http://www.fairchildsemi.com/about-fairchild/media-center/press-releases/20131120-New-Obsolescence-Policy.html
2013-12-12T15:49:29 < dongie> so dont worry  you'll be able to buy trhose MMBT3904's forever
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2013-12-12T16:32:11 < Laurenceb> http://www.quietroom.co.uk/santa_brandbook/nine
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2013-12-12T16:33:11 < Laurenceb> http://www.quietroom.co.uk/santa_brandbook/thirteen
2013-12-12T16:34:59 < dongs> haha
2013-12-12T16:47:17 < karlp> gold
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2013-12-12T16:58:46 < Laurenceb> http://www.quietroom.co.uk/qr/
2013-12-12T16:58:55 < Laurenceb> not sure if troll
2013-12-12T16:59:21 < Laurenceb> poes law etc
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2013-12-12T18:10:34 < Thorn> >Do-It-Yourself project is an Internet of Things temperature probe to connect your turkey to the Internet by writing a Java Embedded app for your Raspberry Pi which sends out tweets as it cooks in your oven.
2013-12-12T18:11:01 < Thorn> that was sent by Oracle (!)
2013-12-12T18:12:04 < karlp> marketting people just want hits, no matter what or why amirite
2013-12-12T18:12:04 < Steffan-> reminds me of ...
2013-12-12T18:13:39 < Steffan-> http://www.naffets.nl/share//a-216-20131212-171327.png
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2013-12-12T18:14:01 < Steffan-> Now all they have to do is add "Temperature probe" to that list.
2013-12-12T18:16:30 < Thorn> it's a Turkey Tweeter (sic)
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2013-12-12T18:17:24 < Steffan-> oh, that's a better description.
2013-12-12T18:18:06 < Thorn> https://blogs.oracle.com/hinkmond/entry/internet_of_things_iot_thanksgiving?msgid=3-9405419656
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2013-12-12T18:18:17 < Thorn> If you're vegetarian, don't worry, you can follow along and just run the simulation
2013-12-12T18:18:19 < Thorn> HAHAHA
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2013-12-12T18:58:13 < Laurenceb> nothing compared to
2013-12-12T18:58:15 < Laurenceb> quantifiedself.com/‎
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2013-12-12T19:03:38 < Laurenceb> uh oh
2013-12-12T19:03:46 < Laurenceb> im getting 502 errors from abusemark
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2013-12-12T19:23:49 < karlp> yahh, my coupling onto iref was less coupling onto iref as coupling on to the next channel in the regular sequence
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2013-12-12T19:42:50 < karlp> doing an unused channel in between interesting channels helps, not surprisingly.
2013-12-12T19:43:01 < karlp> going to have to hassle the hardware guys some more
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2013-12-12T20:01:59 < Thorn> are reballing stations useful for assembly? or is a reflow oven (home grade) enough?
2013-12-12T20:02:16 <+dekar> GCC generated the following code: https://dl.dropboxusercontent.com/u/28467113/thumb2_zero_extend.txt The ARM documentation says LDRB already zero extends the byte, is UXTB even needed?
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2013-12-12T22:19:21 < fbs> is that optimized code?
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2013-12-12T22:42:09 < jpa-> dekar: and it just goes to strb anyway..
2013-12-12T22:43:45 < jpa-> dekar: i get just this for basic memcpy: http://paste.dy.fi/fbx/plain
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2013-12-12T22:44:45 < jpa-> your code looks totally unoptimized
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2013-12-12T22:50:48 < fbs> thats looking better
2013-12-12T22:58:45 < jpa-> funny how it pushes lr.. first i thought it was silly to mind about stack alignment in a leaf function, but i guess the point is to save a return instruction after the pop
2013-12-12T23:00:48 < Thorn> it's copying 1 byte a time, which is pretty horrible
2013-12-12T23:01:03 < jpa-> well that comes straight from the c implementation
2013-12-12T23:01:08 < jpa-> can't blame gcc for it ;)
2013-12-12T23:01:38 < Thorn> as in char* dst, *src; while() *dst++ = *src++; ?
2013-12-12T23:01:43 < jpa-> yes
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2013-12-12T23:04:13 < Thorn> but keil certainly turns this into ldr/str and adds r3, #4?
2013-12-12T23:04:43 < Thorn> dongs did pay $$$$$$$ for it, so it must be real good
2013-12-12T23:05:10 < jpa-> dongs pays for software now?
2013-12-12T23:06:12 < Steffan-> Only for useful software.
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2013-12-12T23:06:37 < Steffan-> Good professional useful non-open sores software.
2013-12-12T23:06:55 < jpa-> well, that was -Os.. look what gcc does with -O3: http://paste.dy.fi/fGI/plain
2013-12-12T23:07:35 < Thorn> wtf
2013-12-12T23:10:44 < jpa-> if you want an intermediate challenge, figure out -O2 first: http://paste.dy.fi/4Dw/plain
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2013-12-12T23:11:49 < jpa-> (remember: r0 = dest, r1 = src, r2 = count)
2013-12-12T23:12:56 < Thorn> it's still full of strb and ldrb
2013-12-12T23:13:15 < jpa-> indeed, only -O3 does ldr
2013-12-12T23:13:36 < jpa-> -O2 does just other optimization, though not sure how useful those are
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2013-12-12T23:21:56 < Thorn> now imagine a FFT at -O3
2013-12-12T23:24:11 < jpa-> Thorn: there you go   http://paste.dy.fi/4hi/plain
2013-12-12T23:24:28 < Thorn> where's zyp and his assembly level debugging
2013-12-12T23:25:49 < jpa-> all good debugging happens at the assembly level
2013-12-12T23:26:23 < Thorn> need to link to this in the wiki, too bad it's not for M http://omappedia.org/wiki/Writing_ARM_Assembly
2013-12-12T23:31:37 < Thorn> also linked to nordic socs
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--- Day changed Fri Dec 13 2013
2013-12-13T00:03:18 < zyp> Thorn, sup?
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2013-12-13T02:17:55 < dongs> sup dongs
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2013-12-13T02:58:28 < dongie> Smarty Ring said 9 hours ago
2013-12-13T02:58:28 < dongie> @ Angus Watt
2013-12-13T02:58:29 < dongie> It.s a conceptual design, so we don.t have working prototype, but soon it will be updated.
2013-12-13T02:58:32 < dongie> ahahaha
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2013-12-13T03:05:49 < zyp> I figured, since all the pics were renders
2013-12-13T03:07:48 < gxti> it's easy to see if that sort of thing is possible, just open aliexpress and search
2013-12-13T03:09:10 < gxti> they'll follow the time-honored tradition of "crowdfunding" a purchase from china
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2013-12-13T03:58:16 < karlp> ye of little faith
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2013-12-13T04:55:50 < dongs> TMS320LF2406APZA  TI  13+   1440PCS  USD5.5
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2013-12-13T07:45:39 < bsdfox> sparkfun's 4.3" 480x272 tft lcd. first feature "Low-cost 4.3" LCD-TFT display graphics user interface solution."
2013-12-13T07:45:43 < bsdfox> $139.95
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2013-12-13T07:49:30 < GargantuaSauce> hahah with a serial interface
2013-12-13T07:49:54 < GargantuaSauce> oh it's got a proprietary graphics soc
2013-12-13T07:50:02 < GargantuaSauce> totally acceptable
2013-12-13T07:51:48 < GargantuaSauce> the actual source of that module sells it for $99
2013-12-13T07:52:07 < GargantuaSauce> must be a pretty sweet resistive touchscreen to cost $40
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2013-12-13T08:04:00 < baird> bairding on bairds. http://i.imgur.com/D3ytGzM.jpg
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2013-12-13T08:06:44 < gxti> eromanga indeed
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2013-12-13T08:47:03 < dongie> k ordrered a bunch of jewpad parts. no return if shit doesn't work.
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2013-12-13T13:55:04 < jpa-> http://yle.fi/uutiset/tuuli_puhaltaa_ihmisia_nurin_norjassa__katso_video/6982697   norwegian walking
2013-12-13T13:56:03 < jpa-> too bad i cannot watch the video myself.. no electricity, no wired internet, nearest active basestation is so far away that only 2G works
2013-12-13T13:57:17 < karlp> still enough for irc ;)
2013-12-13T13:57:25 < jpa-> indeed
2013-12-13T13:57:43 < jpa-> though ssh is a bit laggy
2013-12-13T13:58:40 < karlp> good stuff
2013-12-13T13:59:43 < karlp> there's a new building here that causes wind like that
2013-12-13T13:59:48 < karlp> the media love it
2013-12-13T14:00:36 < jpa-> what's wrong with architects nowadays.. first that car-melting building in london and now people-blowing building in iceland
2013-12-13T14:01:40 < jpa-> but i guess i should save battery in case this lasts whole weekend.. ->
2013-12-13T14:02:21 < Steffan-> jpa on holiday?
2013-12-13T14:04:12 < karlp> cant' find the video damnit
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2013-12-13T14:05:06 < karlp> just this one of the sea on the road: https://www.facebook.com/photo.php?v=4829940994980
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2013-12-13T14:40:39 < dongie> retweetinghttp://www.youtube.com/watch?v=WKjMXH22l1U#t=129
2013-12-13T14:41:09 < Steffan-> * http://www.youtube.com/watch?v=WKjMXH22l1U#t=129
2013-12-13T14:43:13 < Thorn> clang contains limited support for the MSP430 embedded processor
2013-12-13T14:43:16 < Thorn> wat
2013-12-13T14:43:49 < Steffan-> ...
2013-12-13T14:47:21 < Steffan-> How's the llvm support for cm3/4 nowadays?
2013-12-13T14:48:10 < Thorn> the docs imply it's there
2013-12-13T14:48:54 < Thorn> but there is no list of actual architectures that are supported
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2013-12-13T14:54:06 < karlp> the fuck did he think was going to happen?!
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2013-12-13T16:27:59 < dongie> and their second demo is running in a Pygame Python window (a hobbyist language that is rarely used for commercial software).
2013-12-13T16:28:02 < dongie> fuck yes
2013-12-13T16:28:50 < Thorn> dongie: /join ##python and repeat ok
2013-12-13T16:29:06 < Thorn> looks like https://github.com/dwelch67/stm32f4d at least has clang make rules
2013-12-13T16:29:31 < Thorn> * #python
2013-12-13T16:31:07 < dongie> Projects cannot offer genetically modified organisms as a reward.
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2013-12-13T16:39:00 < Laurenceb_> fuck kickstarted
2013-12-13T16:39:14 < Laurenceb_> i want my gm organisms already
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2013-12-13T16:46:02 < Laurenceb_> seriously, whats so hard with running your own fundraising campaign
2013-12-13T16:48:47 < zyp> Thorn, heh, looks like they are using clang and llc to output arm assembly, and then gnu assembler and linker to put everything together
2013-12-13T16:49:17 < zyp> that's a bit cute
2013-12-13T16:49:27 < Thorn> there's no linker or assembler in clang anyway afaik
2013-12-13T16:49:33 < Thorn> you will need gnu binutils
2013-12-13T16:49:49 < zyp> yes
2013-12-13T16:50:56 < Thorn> there was some advanced linker project (for osx only?) but in early stages
2013-12-13T16:51:08 < zyp> I wonder how they handle multiple source files, if you can/should pass multiple .bc files to llc, or just make an .o from every .bc and link it in the normal way
2013-12-13T16:51:25 < zyp> I assume that the first way would be a way to get LTO
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2013-12-13T18:51:48 < karlp_> jpa-: did you use the onboard temp sensor much on the l1? with the two factory calibration values?
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2013-12-13T19:12:48 < karlp> according to my calibration values, my chip is only at 14.x degrees, which I find implausible
2013-12-13T19:14:47 < PaulFertser> On chips I had calibration values made it show ~30C and it was about the same as measured by external "infravisor".
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2013-12-13T19:17:10 < karlp> if i use the "max" value for the avg_slope, I get 25C, which is more believable,
2013-12-13T19:17:22 < karlp> but the values I have for 30 and 110C don't line up with that.
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2013-12-13T19:18:08 < PaulFertser>                 int_temp = (110 - 25) *
2013-12-13T19:18:08 < PaulFertser>                         (meas_int_adc(ADC_Channel_TempSensor)*meas_vref()/300 - *(uint16_t*)0x1FF8007A) /
2013-12-13T19:18:11 < PaulFertser>                         (*(uint16_t*)0x1FF8007E - *(uint16_t*)0x1FF8007A) + 25;
2013-12-13T19:18:43 < karlp> 25?!
2013-12-13T19:18:55 < PaulFertser> Probaly I got that from the disco board sources.
2013-12-13T19:19:17 < karlp> what chip? l1 or something else?
2013-12-13T19:19:31 < PaulFertser> I mean 25C. Or the datasheet. But I have certainly taken that from somewhere, not just guessed.
2013-12-13T19:19:58 < PaulFertser> l152
2013-12-13T19:20:35 < PaulFertser> I seem to remember the upper 110C was slightly different between the datasheet and disco source.
2013-12-13T19:21:26 < karlp> oh,  I think I'm not doing the vref calibration as well, doh,
2013-12-13T19:21:29 < karlp> stupid.
2013-12-13T19:21:41 < karlp> the datasheets say 30 for teh lower, not 25,
2013-12-13T19:21:55 < karlp> one of the older ref mans sas 90 for the high point, but the datasheets say 110
2013-12-13T19:22:16 < PaulFertser> I don't think I've got 25C out of nowhere...
2013-12-13T19:23:47 < karlp> why 300 not 3000?
2013-12-13T19:23:59 < karlp> is that to give you mill degrees as an integer in one calculation?
2013-12-13T19:24:14 < karlp> or decidegrees I should say or something
2013-12-13T19:24:15 < PaulFertser> My meas_vref gives voltage in 1/100V
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2013-12-13T19:29:01 < Blok> Someone linked a kickstarter project named MatchboxARM the other day. Anyone seen the pitch video? Are they using an open (as in source) boot loader or homecooked one?
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2013-12-13T19:30:21 < karlp> that'ssss better,
2013-12-13T19:30:31 < karlp> was missing the vref calibration
2013-12-13T19:31:07 < karlp> a bit jumpy, but I'll put that down to the way our adc has been behaving
2013-12-13T19:37:25 < Blok> (It was a home cooked one, but I wonders if it is based on an open)
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2013-12-13T19:39:49 < Thorn> http://www.bloomberg.com/news/2013-12-12/google-said-to-mull-designing-chips-in-threat-to-intel.html
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2013-12-13T20:01:51 < jpa-> karlp: there are varying values for the calibration temperatures; some say 25, 125; some 30, 90; some say 110 etc.
2013-12-13T20:01:58 < jpa-> karlp: the errata says "no calibration"
2013-12-13T20:03:02 < jpa-> karlp: also it is only specified for +-5°C accuracy even with factory calibration, apparently
2013-12-13T20:03:20 < jpa-> karlp: for what it is worth, here is my code: https://svn.kapsi.fi/jpa/doglight2/sw/src/stm32l_adc.c
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2013-12-13T20:48:33 < Steffan-> just curious, what is this "dog light" doing jpa-?
2013-12-13T20:50:35 < jpa-> it's attached to a dog's collar; then when   1. the dog is out  and  2. the dog is moving  and  3. the sun is down   it happens that  4. the doglight goes blinkityblink
2013-12-13T20:50:53 < Steffan-> Ah. It really is that simple :)
2013-12-13T20:52:07 < jpa-> yeah; main issue is conserving power so that a small battery lasts the whole winter... not yet tested in practice
2013-12-13T20:53:29 < Steffan-> im currently trying to wake up from stop mode using the rtc, but i totally fail. ( maybe is should let chibios do so much )
2013-12-13T20:53:38 < Steffan-> *shouldn't
2013-12-13T20:54:17 < Steffan-> i'll take a peek at your code...
2013-12-13T20:54:46 < jpa-> it's in stm32l_rtc.c
2013-12-13T20:57:16 < Steffan-> what kind of fancy stuff is __sync_synchronize ?
2013-12-13T20:58:38 < jpa-> not 100% sure if it is necessary, but once i seemed to have a bug where wfe was executed before the SLEEPDEEP bit had taken effect
2013-12-13T20:59:41 < jpa-> it is a full memory barrier, i.e. instructs the processor to wait until all memory accesses are complete
2013-12-13T21:00:12 < jpa-> assembles to the dmb instruction: http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0552a/BABDFABI.html
2013-12-13T21:02:40 < jpa-> (it's probably wrong anyway.. dsb might be the correct thing to do here, mine works by luck :)
2013-12-13T21:02:48 < Steffan-> :)
2013-12-13T21:06:25 < karlp> Steffan-: I had that working here: https://github.com/libopencm3/libopencm3-examples/blob/master/examples/stm32/l1/stm32l-discovery/button-irq-printf-lowpower/main.c#L295
2013-12-13T21:07:09 < Steffan-> that's libopencm3, i was trying to use some chibios hal functionality, but.. no success yet.
2013-12-13T21:07:26 < karlp> well, jpa's isn't chibios either is it?
2013-12-13T21:07:31 < Steffan-> it is.
2013-12-13T21:07:34 < Steffan-> partially.
2013-12-13T21:07:36 < jpa-> no point messing with hal for something that is so hardware dependent
2013-12-13T21:07:42 < Steffan-> but not the rtc stuff.
2013-12-13T21:07:49 < Steffan-> i know, but still :P
2013-12-13T21:08:03 < jpa-> yeah; chibios doesn't have stm32l1 rtc support
2013-12-13T21:08:29 < Steffan-> Really?
2013-12-13T21:08:43 < Steffan-> i now officially hate chibios.
2013-12-13T21:09:10 < Steffan-> im pretty sure it said it supported in the feature matrix
2013-12-13T21:09:33 < jpa-> maybe it's been added now
2013-12-13T21:09:45 < jpa-> but 2.6.1 didn't
2013-12-13T21:12:13 < Steffan-> it seems be to be supported in RTCv2 which was added in ..
2013-12-13T21:12:45 < jpa-> hmm apparently yes; i wonder if it works
2013-12-13T21:12:59 < jpa-> IIRC someone on ##chibios said it wasn't supported
2013-12-13T21:14:31 < Steffan-> it's better to know what's going on anyway.. but i was being lazy-ish
2013-12-13T21:17:17 < jpa-> are you making a doglight, too?
2013-12-13T21:17:41 < Steffan-> No, no dog light for me.
2013-12-13T21:17:52 < Steffan-> our dog doesnt walk alone in the dark.
2013-12-13T21:22:35 < Steffan-> some basic (wireless) motion sensor stuff.
2013-12-13T21:23:02 < jpa-> to make sure that the dog doesn't walk alone?
2013-12-13T21:23:45 < Steffan-> To make sure you won't surprised me when you enter my house.
2013-12-13T21:23:54 < Steffan-> -d
2013-12-13T21:24:08 < jpa-> oh, but i always enter from the back when i visit you
2013-12-13T21:29:42 < Steffan-> ... not sure how to interpret that ...
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2013-12-13T22:28:37 < Laurenceb_> and dsp gurus?
2013-12-13T22:28:48  * Laurenceb_ is getting confused by windowing
2013-12-13T22:29:03 < Laurenceb_> http://upload.wikimedia.org/wikipedia/commons/f/f2/Window_functions_in_the_frequency_domain.png
2013-12-13T22:29:23 < Laurenceb_> ^ does that mean if i put OFDM through a window ill get crosstalk?
2013-12-13T22:32:22 < zyp> does what mean that?
2013-12-13T22:34:08 < Laurenceb_> the lack of a high rejection at normalized frequency == 1
2013-12-13T22:34:55 < jpa-> what is your whole processing pipeline?
2013-12-13T22:35:15 < Laurenceb_> adc -> LO -> DFT
2013-12-13T22:35:35 < Laurenceb_> maybe id be better sticking a bandpass FIR/IIR in there
2013-12-13T22:36:55 < jpa-> the DFT step should provide the rejection of other channels..
2013-12-13T22:37:29 < Laurenceb_> but it has a rectangular window
2013-12-13T22:38:54 < jpa-> how long window?
2013-12-13T22:39:18 < jpa-> (compared to signal freq)
2013-12-13T22:39:32 < Laurenceb_> 1/64 seconds
2013-12-13T22:39:53 < Laurenceb_> signal is centered on 11.9kHz
2013-12-13T22:40:07 < Laurenceb_> sample rate is ~870kSps
2013-12-13T22:41:58 < jpa-> anyway, the frequency response of the window is multiplied by any other elements.. so when the DFT rejects the other channels, how could the window force any crosstalk?
2013-12-13T22:42:21 < jpa-> hmm
2013-12-13T22:42:25 < jpa-> maybe
2013-12-13T22:42:32 < jpa-> oh well, i don't really know this stuff
2013-12-13T22:44:07 < Laurenceb_> heh
2013-12-13T22:44:23 < Laurenceb_> i think the sane way to do this is an FIR or IIR in there after the ADC
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2013-12-13T22:44:47 < jpa-> what purpose would it accomplish?
2013-12-13T22:45:23 < zyp> Laurenceb_, are you missing the point of a windowing function completely?
2013-12-13T22:45:33 < Laurenceb_> maybe lol
2013-12-13T22:45:54 < Laurenceb_> im trying to remove interference from out of band crap
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2013-12-13T22:46:07 < jpa-> i still wonder if windowing function has any relevance for the channel-to-channel rejection in ofdm
2013-12-13T22:46:20 < jpa-> ok; for that purpose a FIR bandpass sounds sane
2013-12-13T22:46:22 < zyp> when you do a DFT, you grab a block of samples, this is a window
2013-12-13T22:46:23 < Laurenceb_> yeah thats what confuses me
2013-12-13T22:46:36 < zyp> it'll be rectangular unless you do anything with it
2013-12-13T22:47:42 < emeb> jpa-: don't know that I've ever seen windowing applied to ofdm
2013-12-13T22:47:52 < Laurenceb_> interesting
2013-12-13T22:48:13 < jpa-> yeah, i'm pretty sure it doesn't need it; but i wonder if it would disturb it
2013-12-13T22:48:14 < emeb> there is equalization in frequency domain though
2013-12-13T22:48:17 < zyp> the problem with a window is that you create noise around the edges
2013-12-13T22:48:29 < zyp> so you use a windowing func to shape those edges to reduce the noise
2013-12-13T22:48:31 < Laurenceb_> yeah
2013-12-13T22:49:40 < emeb> jpa-: I think it would disturb it - ofdm relies on orthogonality of the bins and windowing might (might) cause some cross-contamination.
2013-12-13T22:49:44 < Laurenceb_> i wonder about ADC-> LO -> resample -> IIR -> DFT
2013-12-13T22:49:47 < jpa-> but the noise only happens at frequencies that are not divisible by the window length; and with ofdm, you would have a block size that is a multiple of the frequency?
2013-12-13T22:49:53 < zyp> the reason that a rectangular window has no noise at f=N is because that's a full sine
2013-12-13T22:50:10 < emeb> Laurenceb_: what do you wonder about that signal chain?
2013-12-13T22:50:15 < jpa-> emeb: well.. by linearity, it shouldn't be able to mix stuff from one freq to another
2013-12-13T22:50:35 < emeb> true
2013-12-13T22:50:56 < Laurenceb_> emeb: if its optimal or not
2013-12-13T22:51:09 < Laurenceb_> i have a cluster of carriers around 11.9kHz
2013-12-13T22:51:16 < emeb> az zyp pointed out, windowing changes how the stuff that's between the bins gets allocated.
2013-12-13T22:51:58 < emeb> Laurenceb_: I guess I'd be interested in what kind of IIR that is
2013-12-13T22:52:13 < emeb> is it minimum-phase, or is the phase linearized?
2013-12-13T22:52:35 < Laurenceb_> im not interested in carrier phase
2013-12-13T22:52:41 < Laurenceb_> only carrier amplitudes
2013-12-13T22:52:47 < Laurenceb_> so...
2013-12-13T22:53:43 < Laurenceb_> didn't the graph i linked show bin to bin mixing induced by the window?
2013-12-13T22:54:08 < jpa-> not really
2013-12-13T22:56:54 < emeb> jpa-: re "mixing stuff from on freq to another"
2013-12-13T22:57:40 < jpa-> i started wondering if it really is linear after all...
2013-12-13T22:58:07 < emeb> you're right - that doesn't happen, but the DFT bin isn't a perfect brick-wall bandpass
2013-12-13T22:58:07 < emeb> and windowing affects the shape of the passband.
2013-12-13T22:58:07 < emeb> so the wrong window can fatten the response of the bins and make it appear that stuff outside the bin is included in the total energy.
2013-12-13T22:58:07 < emeb> and that effective bandwidth can extend +/- several bins adjacent.
2013-12-13T22:58:07 < Laurenceb_> so other bins can be mixed in?
2013-12-13T22:58:07 < emeb> not in the traditional sense of "mixing" meaning a frequency translation,
2013-12-13T22:58:07 < Laurenceb_> yeah sorry
2013-12-13T22:58:07 < emeb> but yes in the sense that there is spectral leakage from adjacent bins
2013-12-13T22:58:07 < Laurenceb_> i meant no longer orthogonal
2013-12-13T22:58:08 < Laurenceb_> yeah
2013-12-13T22:59:17 < jpa-> emeb: well the DFT always has a kind-of rectangular window; you could apply window to the samples first and then feed them to DFT; but i suspect that my argument about it not mixing was not valid
2013-12-13T22:59:47 < jpa-> because even though it is linear, it is not time-invariant
2013-12-13T22:59:55 < Laurenceb_> i think ill try an IIR, this has to run on an F1, so need minimal DSP
2013-12-13T22:59:59 < emeb> jpa-: yes - DFT always has a rectangular window. Other windows (hanning, blackman, etc) are often superimposed on this to control leakage.
2013-12-13T23:00:34 < emeb> since a rectangular window has a sinc response in frequency which rolls off very slowly.
2013-12-13T23:00:45 < emeb> ie - lots of leakage
2013-12-13T23:01:15 < jpa-> emeb: yeah; and if the rectangular window rejects something, there is no way another window could bring it back by just frequency resposne; but maybe windows can actually mix between freqs
2013-12-13T23:01:56 < emeb> interesting observation - windows are applied in time domain, so they're not time invariant. Hadn't thought about it that way...
2013-12-13T23:02:08 < jpa-> i wonder if all this is relevant only if the DFT block length is wrong for the OFDM freq used
2013-12-13T23:02:32 < emeb> if the block length is wrong then it's not orthogonal anymore.
2013-12-13T23:02:46 < jpa-> yes; and then leaking occurs and window definitely matters
2013-12-13T23:03:38 < jpa-> for a noise-free signal at correct block length, IMO it shouldn't matter; but that is just a hunch
2013-12-13T23:03:57 < emeb> which is part of the reason that the cyclic prefix is used - to ensure that you get an entire block / symbol despite multipath dispersion.
2013-12-13T23:04:49 < emeb> ie - the length of the cp is designed to match the expected environment the ofdm will face.
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2013-12-13T23:06:07 < jpa-> it's crazy to feel how all that information packed to my head during 5 years of uni is quickly slipping away.. just a few days ago i needed some polynomial interpolation stuff and didn't remember much anything about it
2013-12-13T23:06:20 < jpa-> and i haven't even graduated yet :D
2013-12-13T23:06:39 < emeb> keep this up and you'll be dumber at the end than you were at the start.
2013-12-13T23:06:47 < zyp> :p
2013-12-13T23:07:01 < Laurenceb_> hmm
2013-12-13T23:07:25  * emeb reads the history to see what started this discussion...
2013-12-13T23:07:27 < Laurenceb_> if i want to filter the entire adc bandwidth i have no choice but to run my bandpass at adc sample rate right?
2013-12-13T23:08:25 < emeb> ahh - windowing & crosstalk from that chart.
2013-12-13T23:08:37 < emeb> Yes, windowing causes crosstalk.
2013-12-13T23:09:00 < emeb> notice how the rectangular window has zeros at integer multiples, while other windows don't.
2013-12-13T23:09:15 < emeb> there's the orthogonality
2013-12-13T23:10:01 < emeb> Laurenceb_: how wide is the bandpass?
2013-12-13T23:10:11 < emeb> if it's narrow then you can undersample.
2013-12-13T23:10:36 < emeb> but you may need to frequency shift the signal to properly align prior to undersampling.
2013-12-13T23:10:52 < emeb> and undersampling assumes there is nothing else out of band that could alias in.
2013-12-13T23:11:27 < emeb> if you've got a broadband signal and you want to look at just a part of it, you need to handle the entire bandwidth of the signal.
2013-12-13T23:11:32 < emeb> (input signal)
2013-12-13T23:11:37 < Laurenceb_> bbl
2013-12-13T23:15:48 < Laurenceb_> back
2013-12-13T23:16:01 < emeb> that was fast
2013-12-13T23:16:11 < Laurenceb_> bandpass is about 128 hz either side of 11.9kHz
2013-12-13T23:16:17 < Laurenceb_> just some cooking
2013-12-13T23:16:30 < Laurenceb_> its for optical stuff
2013-12-13T23:16:42 < emeb> is there any signal content outside that range?
2013-12-13T23:16:47 < Laurenceb_> ideally id like to remove high frequency noise
2013-12-13T23:17:02 < Laurenceb_> theoretically the analogue front end should remove it
2013-12-13T23:17:12 < Laurenceb_> but i seem to pick up GSM packets and stuff
2013-12-13T23:17:20 < Laurenceb_> its a very sensitive photodiode amp
2013-12-13T23:17:27 < Laurenceb_> im playing with http://www-users.cs.york.ac.uk/~fisher/cgi-bin/mkfscript
2013-12-13T23:17:31 < emeb> RF getting into the amp?
2013-12-13T23:17:48 < Laurenceb_> something like that
2013-12-13T23:17:55 < Laurenceb_> maybe direct into the ADC on the F1
2013-12-13T23:18:20 < Laurenceb_> im wondering if an F1 could run a first order IIR bandpass
2013-12-13T23:18:28 < emeb> can you capture data and look at it to see if the interference is outside the 11.9kHz band?
2013-12-13T23:18:40 < Laurenceb_> yeah that'd be worth a shot
2013-12-13T23:18:44 < Laurenceb_> might try next week
2013-12-13T23:18:50 < Laurenceb_> http://www-users.cs.york.ac.uk/~fisher/tmpdir/misc/5807558F.gif
2013-12-13T23:19:02 < Laurenceb_> that looks ok for a first order IIR
2013-12-13T23:19:18 < emeb> but it sounds like you'd have to filter the full rate
2013-12-13T23:19:29 < Laurenceb_> yeah
2013-12-13T23:19:42 < Laurenceb_> asm routine :P
2013-12-13T23:19:55 < emeb> fpga. :)
2013-12-13T23:20:09 < karlp> Laurenceb_: I've been doing the cascade biquad iir stuff on l1
2013-12-13T23:20:14 < karlp> using the cmsis-dsp routines,
2013-12-13T23:20:34 < karlp> I had a manual inplementation, but the cmsis-dsp ones were noticeably faster
2013-12-13T23:20:44 < karlp> and I used that exact website to make thefilter terms :)
2013-12-13T23:20:58 < karlp> (before moving to scipy and doing a lot more graphing and filter design last week)
2013-12-13T23:21:17 < emeb> the cmsis code does 4-way unrolling IIRC
2013-12-13T23:21:43 < karlp> it's packaged up for use as a git submodule here: https://github.com/karlp/kcmsis-dsp
2013-12-13T23:22:00 < karlp> for gcc open aids users at least.
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2013-12-13T23:23:16 < Laurenceb_> interesting
2013-12-13T23:23:48 < Laurenceb_> any idea on cycles/iteration?
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2013-12-13T23:24:18 < karlp> I might have cared at the time,
2013-12-13T23:24:51 < karlp> it was enough to bring it down to 50% load vs 80% or something my oen was doing
2013-12-13T23:25:16 < karlp> I'm doing 5kHz adc samples on 12 channels into a single biquad
2013-12-13T23:25:35 < karlp> clock is at 32meg, and if i go to my other desk I've probably got the cycle counts for it somewhere
2013-12-13T23:25:40 < Laurenceb_> interesting
2013-12-13T23:25:46 < Laurenceb_> what order?
2013-12-13T23:26:02 < karlp> one biquad, so 2 I guess?
2013-12-13T23:26:07 < Laurenceb_> ah
2013-12-13T23:27:16 < karlp> that's 12 separate biquads, not 12 channels into one biquad, sorry
2013-12-13T23:27:30 < Laurenceb_> got you
2013-12-13T23:27:39 < Laurenceb_> yeah thats not going to be fast enough for me
2013-12-13T23:27:50 < emeb> so 60kHz effective sample rate...
2013-12-13T23:27:55 < Laurenceb_> i need 870kSps on 72Mhz F1
2013-12-13T23:28:02 < emeb> ouch
2013-12-13T23:28:03 < Laurenceb_> using ~40% cpu or less
2013-12-13T23:28:19 < karlp> well, I'm only at 32Mhz, and its doing other thigns
2013-12-13T23:28:26 < Laurenceb_> first order using carefully tweaked coefficients looks doable
2013-12-13T23:28:28 < karlp> and you can probably use the q15 instead of the floating points
2013-12-13T23:28:33 < karlp> which will be faster
2013-12-13T23:28:40 < karlp> there's flaot, q31 and q15 implementations,
2013-12-13T23:28:47 < emeb> you doing float on an F1?
2013-12-13T23:28:54 < karlp> it's worth looking at least, it's as optimized as you're going to get
2013-12-13T23:29:00 < Laurenceb_> this is all ints
2013-12-13T23:29:03 < Laurenceb_> ok
2013-12-13T23:29:19 < karlp> I was doing float on l1, but the q31 code was just as accurate and faster,
2013-12-13T23:29:27 < karlp> once I understood how to shift thigns properly
2013-12-13T23:29:33 < Laurenceb_> i should be able to condense it down to a few integer multiplies
2013-12-13T23:29:33 < emeb> yep
2013-12-13T23:29:45 < emeb> getting fixed-point lined up right is the trick
2013-12-13T23:29:48 < emeb> after that it's easier.
2013-12-13T23:29:49 < Laurenceb_> yeah
2013-12-13T23:29:57 < karlp> of course, it doesn't saturate well compared to the floating point code
2013-12-13T23:30:04 < Laurenceb_> atm i have fixed point for everything
2013-12-13T23:30:18 < emeb> M4 has a nice saturate instruction
2013-12-13T23:30:27 < emeb> and GCC even knows how to use it!
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2013-12-13T23:30:29 < karlp> but it doesn' toverflow until the signal is about 3 times over the max real input signal, so that's ok.
2013-12-13T23:30:36 < karlp> how do you tell gcc to use it?
2013-12-13T23:30:53 < karlp> I've got a sumsqw += output * output I'd love to make saturating :)
2013-12-13T23:31:01 < emeb> latest versions can identify C code that's doing saturation and automatically put it in.
2013-12-13T23:31:21 < karlp> oh, you have to manually do the check for sign overflow and set to INT_MAX stuff?
2013-12-13T23:31:31 < emeb> things like that
2013-12-13T23:31:37 < Laurenceb_> https://github.com/Laurenceb/STM32-Logger/blob/master/Sensors/ppg_new.c
2013-12-13T23:31:43 < karlp> I was hoping for int64_t_satu or something :)
2013-12-13T23:31:48 < Laurenceb_> im less than one bit away from saturating atm
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2013-12-13T23:31:57 < Laurenceb_> but i think i just spotted something
2013-12-13T23:32:05 < Laurenceb_> https://github.com/Laurenceb/STM32-Logger/blob/master/Sensors/ppg_new.c#L38
2013-12-13T23:32:23 < Laurenceb_> if i rotate the samples rather than the integration bin i buy a few more bits
2013-12-13T23:32:35 < Laurenceb_> maybe enough to add really bare bones iir
2013-12-13T23:33:35 < emeb> 1st order IIR with power-of-2 coefficient is pretty easy to do, and fast
2013-12-13T23:34:06 < karlp> yeah, leads to really magic looking code if it's not explained well .)
2013-12-13T23:34:34 < emeb> real programmers don't need comments. :P
2013-12-13T23:34:45 < karlp> I was looking at an old avr appnote that  just multiplied stuff by 0.96 of the previous value with no explanation other than "low pass" or something
2013-12-13T23:36:53 < emeb> karlp: I've also just done inline assy to use the SSAT16 instr.
2013-12-13T23:36:57 < emeb> seems to work fine.
2013-12-13T23:38:48 < karlp> meh, too much work :)
2013-12-13T23:38:53 < karlp> will file that away for later.
2013-12-13T23:40:21 < emeb> inline int16_t audio_sat(int32_t in)
2013-12-13T23:40:21 < emeb> {
2013-12-13T23:40:21 < emeb> #if 0
2013-12-13T23:40:21 < emeb> 	/* manual saturation */
2013-12-13T23:40:21 < emeb> 	in = in >  32767 ?  32767 : in;
2013-12-13T23:40:21 < emeb> 	in = in < -32768 ? -32768 : in;
2013-12-13T23:40:21 < emeb> #else
2013-12-13T23:40:22 < emeb> 	/* using ARM Cortex M4 signed saturation instruction */
2013-12-13T23:40:22 < emeb> 	asm("ssat %[dst], #16, %[src]" : [dst] "=r" (in) : [src] "r" (in));
2013-12-13T23:40:23 < emeb> #endif
2013-12-13T23:40:23 < emeb> 	return in;
2013-12-13T23:40:24 < emeb> }
2013-12-13T23:43:11 < Laurenceb_> oh lol
2013-12-13T23:43:15 < Laurenceb_> now i understand
2013-12-13T23:43:47 < karlp> you're famous: https://github.com/karlp/zypsnips/blob/master/emeb-saturation
2013-12-13T23:43:52 < Laurenceb_> the "first order bandpass iir" i linked from the filter design site is actually a direct from 1 biquad
2013-12-13T23:44:10 < Laurenceb_> so i can plug in the numbers to the cmsis code
2013-12-13T23:44:11 < Laurenceb_> cool
2013-12-13T23:44:18 < Laurenceb_> bet it kills my F1
2013-12-13T23:44:38 < karlp> that's why I was using that site, it generated teh right form of coefficients
2013-12-13T23:44:38 < emeb> DF1 != 1st order
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2013-12-13T23:45:16 < Laurenceb_> ok
2013-12-13T23:45:41 < Laurenceb_> but if its bandpass its first order?
2013-12-13T23:45:46 < emeb> heh - famous...
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2013-12-13T23:46:04 < karlp> the bandpass iir biquad is 2nd order if I understand the terms correctly
2013-12-13T23:46:08 < karlp> single stage of biquad
2013-12-13T23:46:20 < Laurenceb_> ok
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2013-12-13T23:46:23 < karlp> you can do a first order with the arm cmsis code by setting some of teh coefficients to zero though
2013-12-13T23:46:26 < emeb> yep
2013-12-13T23:46:28 < Laurenceb_> hmm
2013-12-13T23:46:31 < emeb> biquad = 2nd order
2013-12-13T23:46:39 < emeb> but many ways to do a biquad
2013-12-13T23:46:47 < emeb> DF1, DF2, transpose, etc.
2013-12-13T23:46:49 < Laurenceb_> the york.ac site claims bandpass means its first order
2013-12-13T23:46:56 < Laurenceb_> i guess terminology lol :P
2013-12-13T23:47:01 < emeb> huh?
2013-12-13T23:47:12 < Laurenceb_> well one order either side of the passband?
2013-12-13T23:47:14 < karlp> cmsis dsp lets you use df1 and df2 transpose or something, a couple of forms anyway
2013-12-13T23:47:19 < emeb> can't do a bpf in anything less than 2nd order
2013-12-13T23:47:25 < Laurenceb_> lol
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2013-12-13T23:47:37 < Laurenceb_> then the york site is using the wrong terminology
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2013-12-13T23:47:53 < Laurenceb_> http://www-users.cs.york.ac.uk/~fisher/tmpdir/misc/5807558F.gif
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2013-12-13T23:48:05 < Laurenceb_> anyway id be happy with that, good rejection
2013-12-13T23:49:06 < emeb> ah - he seems to think that order != # of poles
2013-12-13T23:49:25 < emeb> "For bandpass and bandstop, the number of poles is twice the order"
2013-12-13T23:49:33 < Laurenceb_> yeah lol
2013-12-13T23:49:40 < emeb> that could just be an artifact of his code though
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--- Day changed Sat Dec 14 2013
2013-12-14T00:09:45 < Laurenceb_> hmm
2013-12-14T00:10:08 < Laurenceb_> as my iir filter runs over a dma buffer theres some speedup tricks that may work
2013-12-14T00:10:14 < Laurenceb_> just offsetting the memory index
2013-12-14T00:11:10 < karlp> the cmsis stuff can do whole blocks of memory, my code jsut feeds it one sample each time, but you can feed it a set of samples
2013-12-14T00:11:19 < Laurenceb_> ah
2013-12-14T00:11:24 < Laurenceb_> wonder if it optimises
2013-12-14T00:11:27 < Laurenceb_> time to have a read
2013-12-14T00:12:24 < Laurenceb_> ive got Recurrence relation:
2013-12-14T00:12:24 < Laurenceb_> y[n] = ( -1 * x[n- 2])
2013-12-14T00:12:24 < Laurenceb_>      + (  0 * x[n- 1])
2013-12-14T00:12:24 < Laurenceb_>      + (  1 * x[n- 0])
2013-12-14T00:12:24 < Laurenceb_>      + ( -0.9971328718 * y[n- 2])
2013-12-14T00:12:24 < Laurenceb_>      + (  1.9891926696 * y[n- 1])
2013-12-14T00:12:41 < Laurenceb_> so i could handle the first three lines as memory offsets
2013-12-14T00:12:59 < Laurenceb_> then the last 2 lines as -1 and +2 (binary shift)
2013-12-14T00:13:12 < karlp> ah, no,
2013-12-14T00:13:15 < Laurenceb_> the sometimes tweak the y value to get the small offsets
2013-12-14T00:13:18 < karlp> 1.989 is not 2
2013-12-14T00:13:34 < Laurenceb_> sure
2013-12-14T00:13:40 < Laurenceb_> it will grow to infinity
2013-12-14T00:13:59 < Laurenceb_> but maybe i can tweak y, just not every sample
2013-12-14T00:14:05 < Laurenceb_> need to simulate this :P
2013-12-14T00:14:07 < karlp> well, in the filtes I was poking, small changes in teh coeffcs make pretty lareg changes
2013-12-14T00:14:12 < karlp> so yeah, simulate it first :)
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2013-12-14T00:15:09 < Laurenceb_> pity -0.9971*-2 != 1.98919
2013-12-14T00:15:28 < Laurenceb_> tho if it was set equal it might still work... :P
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2013-12-14T00:24:11 < Laurenceb_> yeah line 4 == low blockband cutoff
2013-12-14T00:24:19 < Laurenceb_> line 5 == high blockband
2013-12-14T00:30:51 < Laurenceb_> with a bit of tweaking i can get -0.99388 and 1.9877, with ~256 times gain
2013-12-14T00:30:56 < Laurenceb_> nice and simple to impliment
2013-12-14T00:46:55 < emeb> You'll find that in biquads, the lsbs of values near 2.0 make a big difference in the response.
2013-12-14T00:48:12 < emeb> there are tricks you can play to reduce those values to sums of powers of 2, but that's probably more trouble than just multiplying
2013-12-14T00:48:35 < emeb> ie - saves gates in a hardware implementation, but doesn't help with software.
2013-12-14T00:53:35 < Laurenceb_> i see
2013-12-14T00:53:56 < Laurenceb_> yeah this still looks like ~26Mhz on an F1
2013-12-14T00:53:59 < Laurenceb_> rather a lot
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2013-12-14T01:22:27 < emeb> for the anime fans: http://www.youtube.com/watch?v=cJ7XOBhB1i0
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2013-12-14T01:27:41 < Laurenceb_> hmm
2013-12-14T01:27:49 < gxti> music is terrible
2013-12-14T01:27:49 < Laurenceb_> hand coded asm should give ~17mhz
2013-12-14T01:28:20 < Laurenceb_> dunno how much use of immediates slows down F1 with wait states
2013-12-14T01:29:33 < Laurenceb_> im guessing it cant load 32bits / clock from flash at 72mhz?
2013-12-14T01:30:25 < emeb> sustained? probably not.
2013-12-14T01:31:44 < Laurenceb_> there seems to be an add upper 16bits to lower 16 bits on M3
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2013-12-14T01:32:02 < Laurenceb_> that neatly solves most of the factional factor issue
2013-12-14T01:32:13 < Laurenceb_> as its only 12bit values going in
2013-12-14T01:32:38 < Laurenceb_> so its just a 12 line asm loop
2013-12-14T01:32:49 < emeb> you may find however that for stability your IIR needs more than 16-bits of state storage
2013-12-14T01:33:09 < Laurenceb_> ah
2013-12-14T01:33:11 < Laurenceb_> annoying
2013-12-14T01:33:15 < emeb> very
2013-12-14T01:33:20 < Laurenceb_> ill simulate the asm then :D
2013-12-14T01:33:34  * emeb did a biquad in VHDL - needed 26 bits of state
2013-12-14T01:34:13 < Laurenceb_> does that scale as you reduce the adc bits?
2013-12-14T01:34:16 < emeb> 6 lsbits, 16-bit data, 4 overhead pad bits
2013-12-14T01:34:19 < Laurenceb_> s.adc.input
2013-12-14T01:34:21 < Laurenceb_> ah
2013-12-14T01:34:41 < Laurenceb_> think i need a simulation
2013-12-14T01:34:45 < emeb> good plan
2013-12-14T01:34:46 < Laurenceb_> but too lazy for today :P
2013-12-14T01:34:49 < Laurenceb_> thanks for the help
2013-12-14T01:34:53 < emeb> sure
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2013-12-14T01:53:39 < Laurenceb_> arg
2013-12-14T01:53:43 < Laurenceb_> now i see the problem
2013-12-14T01:53:50 < Laurenceb_> the filter has a gain of 8 bits
2013-12-14T01:54:00 < Laurenceb_> and i have 12bit data, so it needs 20bits at least
2013-12-14T01:54:03 < Laurenceb_> so annoying
2013-12-14T01:55:26 < emeb> yeah, gain happens
2013-12-14T01:58:10 < Laurenceb_> ah - bessel + less shape above the passband gives me a few more nits
2013-12-14T01:58:13 < Laurenceb_> *bits
2013-12-14T01:58:21 < Laurenceb_> *sharp
2013-12-14T02:03:52 < Laurenceb_> yeah i can get it down to 32times gain with http://www-users.cs.york.ac.uk/~fisher/tmpdir/misc/6025758F.gif
2013-12-14T02:04:47 < Laurenceb_> need to look at the interference spectrum, i suspect some broadband EMI is getting in
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2013-12-14T02:27:48 < dongie> sup blogs
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2013-12-14T02:32:52 < dongie> http://www.crainsnewyork.com/apps/pbcsi.dll/storyimage/CN/20130908/MEDIA_ENTERTAINMENT/309089969/AR/0/Long-Island-City-startup-Aereo-takes-on-broadcasters-in-court-and-across-nation.jpg?q=100
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2013-12-14T02:42:05 < dongs> sup baird
2013-12-14T02:42:38 < karlp> is there an actual story behind that picture mr tv broadcast dongie?
2013-12-14T02:42:41 < baird> http://i.imgur.com/ioeWkbu.jpg
2013-12-14T02:42:58 < dongs> karlp: yeah, http://www.crainsnewyork.com/apps/pbcsi.dll/storyimage/CN/20130908/MEDIA_ENTERTAINMENT/309089969/AR/0/Long-Island-City-startup-Aereo-takes-on-broadcasters-in-court-and-across-nation.jpg?q=100
2013-12-14T02:43:21 < dongs> karlp: they're making these crazy cards with redundant tuners/antennas to avoid the law about recording + public performance
2013-12-14T02:43:27 < baird> I was _closed_ http://i.imgur.com/AutJ7f8.jpg .. So I visited these guys to declare an emergency http://i.imgur.com/0UV3FKx.jpg
2013-12-14T02:43:31 < dongs> "Even if two users choose to view the same television program at the same time—as they often will—they will never share an antenna, data stream, or digital recording," point out Aereo lawyers.
2013-12-14T02:44:13 < dongs> baird: haha wtf
2013-12-14T02:44:29 < dongs> baird: where is that
2013-12-14T02:44:55 < dongs> gps coordz plz
2013-12-14T02:45:06 < baird> South-west Queensland..
2013-12-14T02:45:24 < baird> hehe ., http://i.imgur.com/45N6lEi.jpg
2013-12-14T02:46:45 < baird> Somewhere like 26.670 S, 143.268 E
2013-12-14T02:47:24 < baird> ...and another photo to spam 4chan with... http://i.imgur.com/ioeWkbu.jpg
2013-12-14T02:48:40 < dongs> isnt that a retweet
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2013-12-14T02:56:23 < baird> trip map: http://i.imgur.com/0U7o1iZ.png .. currently planning on making the whole thing an even 20,000 kms
2013-12-14T02:59:15 < karlp> how was the flinders detour?
2013-12-14T02:59:31 < karlp> and what's the detour in western qld?
2013-12-14T02:59:40 < karlp> dino tracks? at winton?
2013-12-14T03:00:09 < baird> Flinders Ranges-- fantastic! .. 5x better than anything like it I've seen elsewhere.
2013-12-14T03:00:22 < baird> The detour-- I had to backtrack 300 kms because a road got flooded. :/
2013-12-14T03:01:34 < baird> I was originally planning on going north from Mt Isa to Normington/Kurumba, but that got flooded first.
2013-12-14T03:02:11 < baird> ..and Normington has a habit of being cut-off for up to 3 months after a serious amount of rain.
2013-12-14T03:03:14 < baird> Something neat about outback Queensland-- they make /coffee/ smoothies. :D
2013-12-14T03:07:45 < baird> local sign with distances: http://i.imgur.com/uIHBNHr.jpg
2013-12-14T03:12:57 < dongs> indiegogo is slow as balls
2013-12-14T03:12:59 < dongs> wtf
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2013-12-14T03:36:11 < emeb> baird: I saw some show about Australia's 1st 4billion years a while back. ISTR Eromanga being mentioned on that.
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2013-12-14T03:57:58 < baird> emeb_mac: there's a large patch of land around here that's been intact for a while (although not quite as long as Western AU). The largest dinosaur discoveries in the country  were made near the town.
2013-12-14T03:59:03 < emeb_mac> seems like a pretty remote place
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2013-12-14T05:36:16 < emeb_mac> chillin
2013-12-14T05:46:22 < dongs> yes
2013-12-14T05:46:27 < dongs> http://www.indiegogo.com/projects/smarty-ring
2013-12-14T05:54:08 < dongs> R2COM: please tweet your comments
2013-12-14T06:03:36 < emeb_mac> finger this
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2013-12-14T07:16:08 < emeb_mac> whole lotta shaking goin' on in Tokyo
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2013-12-14T07:22:01 < talsit> meh, 5.5
2013-12-14T07:22:45 < dongs> 5.5 is like nothing
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2013-12-14T07:32:24 < dongs> zyp, your connectors are here
2013-12-14T07:32:36 < dongs> they look like they fit just fine, but I don't see any guide pins on the bottom. maybe that's a order option tho.
2013-12-14T07:32:47 < dongs> since these were just samples tehy had laying arou,d
2013-12-14T07:32:49 < dongs> got 15.
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2013-12-14T13:15:40 < Thorn> http://www.youtube.com/user/ControlLectures/videos
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2013-12-14T13:19:48 < dongs> http://www.kickstarter.com/projects/1575992013/logi-fpga-development-board-for-raspberry-pi-beagl?ref=category
2013-12-14T13:19:51 < dongs> dumb.
2013-12-14T13:20:14 < dongs> waitt
2013-12-14T13:20:19 < dongs> https://s3.amazonaws.com/ksr/assets/001/417/650/2d7faf2912ca17e9507c9b572ee1826e_large.JPG?1386361112
2013-12-14T13:20:25 < dongs> this looks like emebproj
2013-12-14T13:21:02 < zyp> dongs, ok, good
2013-12-14T13:21:54 < dongs> https://s3.amazonaws.com/ksr/assets/001/427/533/d6dc2ee09b3fadb1eb729e8a5c4b2274_large.jpg?1386642420 yessssssssssss
2013-12-14T13:22:20 < dongs> http://www.kickstarter.com/projects/1214533021/white-bread-shield-for-arduino?ref=category
2013-12-14T13:23:31 < dongs> http://www.kickstarter.com/projects/mantaspats/64-i-o-arduino-shield?ref=category yessss
2013-12-14T13:23:52 < dongs> https://s3.amazonaws.com/ksr/assets/001/412/496/543519632ecf2a7f14e402210434073d_large.png?1386250247 ahahah
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2013-12-14T13:26:34 < Thorn> >Valent F(x)’s team of like-minded professionals, hobbyists, and open-source enthusiasts
2013-12-14T13:26:41 < Thorn> team of hobbyists ok
2013-12-14T13:27:32 < dongs> my dickstarter will be team of trolls
2013-12-14T13:27:41 < dongs> professional trolls
2013-12-14T13:27:58 < Thorn> farnell has 429 disco back in stock btw.
2013-12-14T13:30:03 < dongs> http://www.kickstarter.com/projects/igorramos/recap-2-record-iphone-calls-in-ipad-android-mobile?ref=category haha
2013-12-14T13:30:12 < dongs> $50 for a jack splitter
2013-12-14T13:33:36 < Thorn> it probably has 2 resistors inside, so the cost must be justified
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2013-12-14T13:43:01 < jpa-> iphone cannot record calls itself? :o
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2013-12-14T15:05:46 < Laurenceb__> does M3 support SMLAL?
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2013-12-14T15:21:05 < Thorn> Laurenceb_: http://i.imgur.com/71cJD.png
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2013-12-14T15:46:49 < Laurenceb__> ah cool, thanks
2013-12-14T15:47:21 < Laurenceb__> so far i got my biquad iir down to 6 instructions
2013-12-14T15:47:34 < karlp> does it still actually work? ;)
2013-12-14T15:47:44 < Laurenceb__> in sim it does
2013-12-14T15:48:02 < Laurenceb__> i cant work out a way to do simd with smlal
2013-12-14T15:48:06 < Laurenceb__> how annoying
2013-12-14T15:48:18 < karlp> what are you simulating with?
2013-12-14T15:48:53 < Laurenceb__> octave
2013-12-14T15:49:10 < karlp> you're simulating 6 lines of assembly in octave, how?
2013-12-14T15:49:29 < Laurenceb__> using rounding and some variables for the registers and stuff
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2013-12-14T15:52:28 < Laurenceb__> is there a way to add/subtract halfwords?
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2013-12-14T15:58:16 < Laurenceb__> i guess if its aligned correctly you could do a double int16 subtract
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2013-12-14T15:59:49 < Laurenceb__> asm makes my head hurt
2013-12-14T16:00:07 < Laurenceb__> so many ways to do it, and im sure theres a more optimal way i havent spotted
2013-12-14T16:08:59 < GargantuaSauce> if only we had these amazing pieces of software that allowed us to write code at a higher level and translate it in an automated fashion to the isa of a particular microprocessor
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2013-12-14T16:10:41 < GargantuaSauce> in fact i am so pleased with this brilliant idea i am going to go back in time to the 1950s and introduce it
2013-12-14T16:20:43 < Steffan-> lol GargantuaSauce :)
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2013-12-14T17:15:37 < Thorn> When the FMC is used as stack, heap or variable data, an interrupt occurring during a CPU read access to the FMC may results in read data corruption or hard fault exception.
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2013-12-14T17:16:11 < Thorn> Two workarounds can be applied:
2013-12-14T17:16:11 < Thorn> • Do not use the FMC as stack or heap, and make sure CPU read accesses to the FMC are performed while interrupts are disabled
2013-12-14T17:16:11 < Thorn> • Use only DMAs to perform read accesses to the FMC
2013-12-14T17:16:26 < Thorn> This limitation is fixed in silicon revision Y.
2013-12-14T17:17:36 < GargantuaSauce> oh shit
2013-12-14T17:17:44 < GargantuaSauce> is that just the 42x?
2013-12-14T17:17:54 < Thorn> 42* 43*
2013-12-14T17:17:57 < Thorn> all of them
2013-12-14T17:18:04 < Thorn> http://www.st.com/st-web-ui/static/active/en/resource/technical/document/errata_sheet/DM00068628.pdf
2013-12-14T17:18:15 < zyp> my discovery board has a rev Y
2013-12-14T17:19:14 < Thorn> there's also 2.8,7, "do not use dynamic and static banks at the same time"
2013-12-14T17:19:28 < zyp> yeah, which is not fixed, right?
2013-12-14T17:19:29 < Thorn> not fixed in rev. Y
2013-12-14T17:19:32 < zyp> that's more annoying
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2013-12-14T17:23:20 < Thorn> so what happens if you access flash after sdram? the sdram stops being refreshed?
2013-12-14T17:24:29 < zyp> you're the one that has the errata sheet open :p
2013-12-14T17:25:00 < Thorn> it doesn't say anything
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2013-12-14T17:58:43 < Thorn> Google bought Boston Dynamics
2013-12-14T17:58:54 < Steffan-> google goes mad
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2013-12-14T19:03:36 < gxti> google car cancelled, now they're making a google big dog you can ride to work
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2013-12-14T19:10:34 < Thorn> canceled?
2013-12-14T19:12:19 < Laurenceb__> its a joke
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2013-12-14T19:26:12 < gxti> a giant robot dog bouncing down the freeway is no joke Laurenceb__
2013-12-14T19:26:27 < Laurenceb__> heh
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2013-12-14T19:27:04 < Laurenceb__> hmm looks like i can do 32bit fixed point IIR bandpass using only 7 instructions/iteration
2013-12-14T19:27:18 < Laurenceb__> that allows really tight bandpass
2013-12-14T19:28:13 < Laurenceb__> SMLAL and some 32bit add, subtract and ARS
2013-12-14T19:30:27 < Laurenceb__> bandwidth down to a couple of hundred hz
2013-12-14T19:31:36 < Thorn> what's the filter equation?
2013-12-14T19:32:02 < Laurenceb__> y(n)=x(n)-x(n-2)+a*y(n-1)+b*y(n-2)
2013-12-14T19:32:24 < Laurenceb__> a is slightly less than 2, b is slightly greater than -1
2013-12-14T19:32:33 < Laurenceb__> http://i2.kym-cdn.com/photos/images/newsfeed/000/620/913/0b8.jpg
2013-12-14T19:45:12 < PaulFertser> Laurenceb__: I'm among 20% apparently, where is from?
2013-12-14T19:46:06 < Laurenceb__> http://knowyourmeme.com/memes/the-casting-couch
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2013-12-14T21:25:35 < Laurenceb__> how can i pass data back to c code from some inline asm?
2013-12-14T21:26:23 < zyp> http://gcc.gnu.org/onlinedocs/gcc/Extended-Asm.html
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2013-12-14T21:26:42 < zyp> output operands
2013-12-14T21:27:12 < zyp> or pass pointers to input operands and write into those, if that's more appropriate for what you are doing
2013-12-14T21:27:38 < jpa-> (remember to add "memory" to clobber list, if you do that)
2013-12-14T21:28:53 < jpa-> i think that 50-100% of the inline asm statements with operands that i have written have had bugs in the input/output/clobber lists :)
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2013-12-14T21:29:20 < jpa-> it's very easy to make it so that it "works" at some optimization level but not others
2013-12-14T21:29:32 < zyp> yeah
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2013-12-14T21:30:19 < Laurenceb__> hmm
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2013-12-14T21:30:42 < Laurenceb__> im reading emeb code now :P
2013-12-14T21:30:48 < Laurenceb__> seems a nice simple example
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2013-12-14T21:32:34 < emeb_mac> my saturation?
2013-12-14T21:33:11 < emeb_mac> when you just want one instruction it's fairly easy.
2013-12-14T21:33:31 < emeb_mac> don't know how well it would work for anything more complex.
2013-12-14T21:33:49 < jpa-> for single instructions, intrinsics are pretty reasonable also
2013-12-14T21:34:12 < emeb_mac> yeah - if there are intrinsics for the instr you want
2013-12-14T21:34:42 < emeb_mac> seems like it would be easier to just write a separate function in full assy for anything more complex
2013-12-14T21:35:13 < Laurenceb__> nah your f303 dsp code
2013-12-14T21:35:24 < emeb_mac> oh that stuff...
2013-12-14T21:35:32 < Laurenceb__> heh
2013-12-14T21:35:44 < emeb_mac> I actually wrote a separate pgm to generate that.
2013-12-14T21:35:44 < Laurenceb__> what is sl and fp in the popped and pushed registers?
2013-12-14T21:36:02 < emeb_mac> firing up the wayback machine...
2013-12-14T21:37:11 < Laurenceb__> oh i worked out a way to do 32bit biquad bandpass
2013-12-14T21:37:21 < Laurenceb__> giving nutty high out of band rejection
2013-12-14T21:37:33 < Laurenceb__> with only 15Mhz cpu use at full sample rate
2013-12-14T21:37:50 < emeb_mac> heh - beats me what sl / fp are. I just copied that from disassy
2013-12-14T21:38:30 < emeb_mac> cool beans - in C or assy?
2013-12-14T21:38:55 < Laurenceb__> asm
2013-12-14T21:39:29 < Laurenceb__> http://pastebin.com/CSM33EfE
2013-12-14T21:39:33 < Laurenceb__> prob errors in that
2013-12-14T21:39:42 < Laurenceb__> im just testing in octave atm
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2013-12-14T21:42:15 < emeb_mac> looks pretty tight
2013-12-14T21:43:35 < Laurenceb__> it probably needs more interations for the poor F1 flash not to kill it when it loops back
2013-12-14T21:44:01 < Laurenceb__> it only works with an even number of iterations for the registers to end up back where they started
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2013-12-14T21:45:26 < emeb_mac> more unrolling?
2013-12-14T21:45:57 < Laurenceb__> yeah.. i forgot how long my dma buffer is
2013-12-14T21:46:12 < Laurenceb__> prob can take  a lot more
2013-12-14T21:47:47 < emeb_mac> as long as you have the flash
2013-12-14T21:48:03 < Laurenceb__> doh, line 19 should be r8 - end of the data
2013-12-14T21:59:27 < Thorn> is the jump back so bad for performance?
2013-12-14T22:00:13 < Laurenceb__> pipeline refill + flash wait states aiui?
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2013-12-14T22:09:22 < emeb_mac> anyone tried using the SAI on the new F42x parts?
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2013-12-14T22:10:09 < Thorn> I see, given that the iteration is only a few cycles
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2013-12-14T22:27:21 < Laurenceb__> whats the difference between ldmia and ldmia.w  ?
2013-12-14T22:28:52 < Laurenceb__> write back?
2013-12-14T22:32:06 < gxti> isn't .X usually width
2013-12-14T22:32:35 < zyp> thumb vs thumb2
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2013-12-14T22:41:20 < zyp> ldmia can only use r0-7, ldmia.w doesn't have that restriction
2013-12-14T22:46:10 < Laurenceb__> can ldmia read address from an extended register?
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2013-12-14T22:47:00 < zyp> extended? as in 8-15?
2013-12-14T22:47:09 < Laurenceb__> yes
2013-12-14T22:47:24 < zyp> no, ldmia can't, ldmia.w can
2013-12-14T22:47:28 < Laurenceb__> i see
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2013-12-14T22:50:16 < Laurenceb__> ok how wrong is this?
2013-12-14T22:50:17 < Laurenceb__> http://pastebin.com/LHWNR9pK
2013-12-14T22:51:03 < zyp> wtf
2013-12-14T22:51:24 < zyp> that looks pretty fucked up on multiple points
2013-12-14T22:52:10 < zyp> first of all you'd use «bl biquad» to call a function with that name
2013-12-14T22:52:33 < zyp> but having to call it from assembly at all like that is just dumb
2013-12-14T22:52:58 < zyp> just write the assembly function to be compliant with EABI and you don't need a wrapper function at all
2013-12-14T22:53:40 < Laurenceb__> oh
2013-12-14T22:54:08 < Laurenceb__> i see
2013-12-14T22:54:11 < zyp> and I'm pretty sure that the compiler's register allocator would do a better job than you when it comes to allocating registers
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2013-12-14T22:56:49 < zyp> also, if you're not really good at assembly, it's pretty likely that the compiler would generate faster code than you too :p
2013-12-14T22:57:20 < emeb_mac> that's been my experience on ARM
2013-12-14T22:58:00 < emeb_mac> I can out-code the MCHP dsPIC compiler on DSP stuff, but arm-gcc runs rings around me.
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2013-12-14T23:00:06 < emeb_mac> Laurencebs are in constant flux
2013-12-14T23:02:17 < Laurenceb_> so you can only pass 4 arguments?
2013-12-14T23:02:18 < Laurenceb_> http://www.scribd.com/doc/6546078/ARM-Architecture-Procedure-Call-Standard#page=15
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2013-12-14T23:07:20 < emeb_mac> lol http://www.blinkstick.com/
2013-12-14T23:08:18 < zyp> Laurenceb_, of course not
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2013-12-14T23:10:00 < zyp> Laurenceb_, check chapter 5.5 of that document
2013-12-14T23:11:18 < zyp> the short story is that when you run out of registers, you put the rest of the arguments on the stack
2013-12-14T23:13:59 < Laurenceb_> i see
2013-12-14T23:18:34 < jpa-> extra funniness for: struct args, 64-bit args, float args
2013-12-14T23:23:18 < zyp> unless you're writing a compiler, you can just avoid most of that ;)
2013-12-14T23:24:12 < jpa-> i bet Laurenceb_'s next broken printf will be written in spaceless assembler
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2013-12-14T23:45:53 < gxti> reminds me, i need to get a float formatting function working
2013-12-14T23:46:20 < gxti> i got something but was having problems getting sane results when the exponent was not close to zero
2013-12-14T23:46:35 < gxti> me no good at thinking hard for long time
2013-12-14T23:48:53 < emeb_mac> we should start a club
2013-12-14T23:59:30 < Laurenceb_> its not a trivial prblem to solve
--- Day changed Sun Dec 15 2013
2013-12-15T00:06:32 < Laurenceb_> what causes "error: storage class specified "
2013-12-15T00:07:18 < gxti> unclosed curly brace 500 lines up usually.
2013-12-15T00:07:26 < gxti> or just an undefined type...
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2013-12-15T00:19:06 < Laurenceb_> ok fixed it
2013-12-15T00:19:10 < Laurenceb_> but now im getting
2013-12-15T00:19:18 < Laurenceb_>  Error: invalid constant (44c9) after fixup
2013-12-15T00:19:29 < Laurenceb_> mov r6,#0x44C9	
2013-12-15T00:22:29 < Laurenceb_> http://www.keil.com/support/docs/2947.htm
2013-12-15T00:22:32 < Laurenceb_> arg wtf
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2013-12-15T00:41:18 < dongs> http://imgur.com/a/ZJTDQ
2013-12-15T00:41:26 < dongs> um
2013-12-15T00:41:30 < dongs> why are you using arm asm with keil bro
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2013-12-15T00:41:35 < dongs> you think can code better than compiler????
2013-12-15T00:41:46 < dongs> that only happens with gcc
2013-12-15T00:47:16 < Laurenceb_> loldoings
2013-12-15T00:47:27 < gxti> even gcc can make better code than Laurenceb_
2013-12-15T00:47:38 < dongs> yeah thats besides the point
2013-12-15T00:47:56 < Laurenceb_> trolltoll
2013-12-15T00:50:40 < Laurenceb_> lol someone stole a high altitude balloon
2013-12-15T00:50:51 < dongs> lol
2013-12-15T00:50:51 < Laurenceb_> ip is 81.178.140.16
2013-12-15T00:51:02 < Laurenceb_> troll them now
2013-12-15T00:51:02 < dongs> they stole the shitberrypi that was in it?
2013-12-15T00:51:13 < dongs> looks like some eurofaggot
2013-12-15T00:51:16 < dongs> from london
2013-12-15T00:51:22 < Laurenceb_> yup, then it connected to their wifi and joined irc
2013-12-15T00:51:29 < Laurenceb_> pwned
2013-12-15T00:52:08 < dongs> haha
2013-12-15T00:56:22 < dongs> http://imgur.com/a/ZJTDQ
2013-12-15T00:56:24 < dongs> attn bsdfox
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2013-12-15T01:04:56 < Steffan-> Laurenceb_, define: stole
2013-12-15T01:05:02 < Steffan-> Someone found it and took it home?
2013-12-15T01:06:44 < Laurenceb_> yes
2013-12-15T01:07:35 < Steffan-> I would do it too. Especially when some weird thing comes out of the sky and you have no clue what it is :)
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2013-12-15T01:09:23 < Laurenceb_> weird thing?
2013-12-15T01:09:24 < Laurenceb_> www.liveleak.com/view?i=848_1382488381
2013-12-15T01:09:28 < GargantuaSauce_> hahah
2013-12-15T01:09:44 < GargantuaSauce_> litter on foreign soil and call whoever picks it up a thief
2013-12-15T01:09:55 < GargantuaSauce_> good going random balloon dude
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2013-12-15T01:21:00 < dongs> why does it go on irc
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2013-12-15T01:21:09 < dongs> anti-theft?
2013-12-15T01:22:39 -!- alan5 [~quassel@85.210.234.202] has quit [Ping timeout: 240 seconds]
2013-12-15T01:26:31 < Steffan-> i think Laurenceb_ was lying about that
2013-12-15T01:26:44 < Steffan-> They got the ip because someone searched for the text on the pcb..
2013-12-15T01:26:58 < Steffan-> and found the website that belongs to the baloon
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2013-12-15T01:37:25 < dongs> and just happeend to be an irc troll? :)
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2013-12-15T03:35:50 < dongs> BRR clear, BSRR sets right
2013-12-15T03:35:57 < dongs> to lazy to check doc
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2013-12-15T03:59:37 < GargantuaSauce_> L is high and H is low
2013-12-15T04:00:08 < GargantuaSauce_> because having a sensible and accessible mnemonic is not st's syle apparently
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2013-12-15T04:45:57 < gxti> you mean BSRR? it's not a mnemonic 'mnemonic' thing
2013-12-15T05:07:07 < dongs> http://i.imgur.com/krWaSqF.jpg
2013-12-15T05:07:09 < dongs> time to dickstart
2013-12-15T05:07:25 < gxti> zomg retinas
2013-12-15T05:11:26 < upgrdman> what is that? just a hidpi lcd being tested?
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2013-12-15T05:28:43 <+dekar> I'm all for reasonable dpi :)
2013-12-15T05:30:19 < gxti> i'm all for more dpis.
2013-12-15T05:30:28 < gxti> with a reasonable feature size.
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2013-12-15T08:08:14 < emeb_mac> where is everyone?
2013-12-15T08:15:24 < dongs> no idea
2013-12-15T08:15:28 < dongs> but i found your dickstarter
2013-12-15T08:15:44 < dongs> https://s3.amazonaws.com/ksr/assets/001/417/650/2d7faf2912ca17e9507c9b572ee1826e_large.JPG?1386361112
2013-12-15T08:16:24 < emeb_mac> ya, kinda looks like my board. isn't tho
2013-12-15T08:16:50 < emeb_mac> mine doesn't have RAM on it, nor tarduino headers
2013-12-15T08:17:47 < emeb_mac> same FPGA. wonder if I could add SATA to mine...
2013-12-15T08:19:11 < emeb_mac> but -2 for using lame-ass LDOs for power instead of the NCP1532
2013-12-15T08:19:15 < dongs> right
2013-12-15T08:19:23 < dongs> LDO for fpga, gg
2013-12-15T08:19:53 < emeb_mac> I used LDOs for the Spartan 3 boards I did in the past, but those parts are smaller.
2013-12-15T08:20:39 < emeb_mac> the S6 on these new boards can pull a lot more potentially, so a switcher is a good idea
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2013-12-15T08:21:33 < emeb_mac> thanks to dongs for pointing that dual switcher part - pretty easy to use, tiny, cheap.
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2013-12-15T09:24:56 < Thorn> is SHARC still relevant? or has it been obsoleted by blackfin?
2013-12-15T09:26:34 < dongs> japs still submit boards with renesas shit on them for production
2013-12-15T09:28:22 < Thorn> it's AD, not renesas
2013-12-15T09:44:43 < dongs> im jsu sayin
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2013-12-15T09:49:00 < upgrdman> agilent mailed me a free dvd with a bunch of seminars and shit on it. videos. more than half require some dumb ass plugin. wtf is wrong with people. how stupid is agilent, they cant distribute standard movie files?
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2013-12-15T10:20:33 < dongs> what teh fuck keil
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2013-12-15T10:26:21 < dongs> huh wtf
2013-12-15T10:26:29 < dongs> why no repeat start in this smbus shit
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2013-12-15T10:40:02 < Thorn> waaat
2013-12-15T10:40:18 < Thorn> 300MHz tigersharc is $193 (1000 units)
2013-12-15T10:40:26 < dongs> trash
2013-12-15T10:42:42 < Thorn> but it does 2400 MMACS
2013-12-15T10:43:03 < Thorn> an equivalent blackfin is $20
2013-12-15T10:44:37 < jpa-> so some sells shit at overprice? nothing new about that
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2013-12-15T10:45:45 < Thorn> it's budgetary prices on analog.com
2013-12-15T10:46:01 < Thorn> sharc is probably simply obsolete
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2013-12-15T11:24:29 < Thorn> http://www.arm.com/files/pdf/dspconceptsm4presentation.pdf  <-- some sharc assembly code on page 16
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2013-12-15T15:08:54 < dongie> sup trolls
2013-12-15T15:09:27 < fbs> sup dongie
2013-12-15T15:09:47 < dongie> trying to figure out how to do longpress buttons
2013-12-15T15:09:57 < dongie> https://github.com/szczys/stm32-snake-game/blob/master/src/STM32-Debounce.c i see this and i want to stab
2013-12-15T15:09:57 < fbs> timer?
2013-12-15T15:10:09 < dongie> but it might be just good enough(tm)
2013-12-15T15:10:59 < fbs> doesnt look that bad?
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2013-12-15T15:12:43 < dongie> http://www.trollaxor.com/2013/11/future-of-os2-report.html
2013-12-15T15:12:44 < dongie> lul
2013-12-15T15:12:54 < dongie> fbs: not terrible, so i think im gonna go for it
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2013-12-15T15:20:42 < dongie> lol. was toggling PB4 with GPIO, it wasn't moving
2013-12-15T15:20:49 < dongie> checked everyhting, schematic, layout.
2013-12-15T15:20:50 < dongie> PB4 it is.
2013-12-15T15:21:02 < dongie> then realized its only PB4 when JTAG is off
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2013-12-15T15:22:59 < fbs> :p
2013-12-15T15:24:07 < Thorn> updated http://stm32.izua.ro/wiki/ARM-v7_assembly
2013-12-15T15:25:00 < dongie> hm
2013-12-15T15:25:03 < dongie> that code seems overkill
2013-12-15T15:25:05 < dongie> i only hae ONE button.
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2013-12-15T15:33:34 < Laurenceb_> sup trolls
2013-12-15T15:35:36 < fbs> sup
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2013-12-15T16:26:18 < PaulFertser> (BMP working on stlink using wrong UART silliness) turned out I managed to build for native hardware instead of stlink, so debugging didn't work but uart1 was used just fine :)
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2013-12-15T17:00:36 < Laurenceb_> http://habe.acudworth.co.uk/blog/
2013-12-15T17:00:39 < Laurenceb_> lolling
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2013-12-15T17:34:31 < gxti> i don't think you are, Laurenceb_
2013-12-15T17:35:32 < Laurenceb_> nope im trolling
2013-12-15T17:39:55 < fbs> >Clear notices were placed on the outside and inside of the payload box indicating a reward if found.
2013-12-15T17:40:00 < fbs> sounds like someone took the reward
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2013-12-15T17:54:44 < Robint91_> hi all
2013-12-15T17:55:04 < zyp> hi
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2013-12-15T18:31:26 < madist> I should be able to use a STLink v2 discovery board to reprogram a STLink v1 to v2 ?
2013-12-15T18:33:54 < jpa-> why not program it to BMP then?
2013-12-15T18:35:22 < madist> what is BMP ?
2013-12-15T18:37:32 < PaulFertser> madist: blackmagicprobe
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2013-12-15T18:38:11 < PaulFertser> madist: do you have firmware for stlinkv2? Anyway the schematics slightly differ, I'm not sure if stlinkv2 will work ok on stlinkv1 board.
2013-12-15T18:39:07 < madist> PaulFertser: it doesn't look like ST has officially released the firmware. Someone has it up on github though.
2013-12-15T18:39:12  * PaulFertser reprogrammed stlinkv1 to bmp without any adapter whatsoever after soldering to uart1 and using rom bootloader. 
2013-12-15T18:39:21 < PaulFertser> madist: right
2013-12-15T18:39:30 < madist> what features does BMP have that STLink v2 doesn't ?
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2013-12-15T18:39:56 < PaulFertser> Works without any additional software, just connect gdb to it; aux uart with cdc-acm interface.
2013-12-15T18:40:27 < PaulFertser> otoh, SWO is not supported as well as with stlink.
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2013-12-15T18:44:47 < PaulFertser> Also, BMP is a free software and free hardware project implemented by a cool guy while stlink is some proprietary crap and you can't have fun with its developers anyhow.
2013-12-15T18:45:11 < gxti> right 'cool guy'
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2013-12-15T18:47:47 < emeb_mac> hehe
2013-12-15T18:48:11 < gxti> pcb for isolated bmp was supposed to be here yesterday but usps did not deliver. doesn't matter anyway because i am lazy and didn't buy parts yet.
2013-12-15T18:48:25 < emeb_mac> get on it - stat!
2013-12-15T19:07:42 < Robint91_> J-link > everything
2013-12-15T19:14:34 < emeb_mac> eh. J-link is ok. dunno if it's so great that it displaces all others tho.
2013-12-15T19:16:45 < karlp> madist: if v1 to v2 was a software change, I think the stlink windows tool would be happy to update it for you, but it doesn't,
2013-12-15T19:18:00 < madist> karlp: the published schematics don't look different in any way that matters.
2013-12-15T19:18:18 < karlp> in theory bmp should be able to support faster swo via manchester, but that's a lot of tools work that doesn't exist anywhere yet :)
2013-12-15T19:20:33 < PaulFertser> madist: v1 and v2 use different pins for target SRST.
2013-12-15T19:21:11 < PaulFertser> And different pins for led.
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2013-12-15T19:35:53 < Laurenceb_> http://pastebin.com/Uk2tmB0c
2013-12-15T19:35:59 < Laurenceb_> faster filtering :D
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2013-12-15T19:39:52 < emeb_mac> cool
2013-12-15T19:40:00 < emeb_mac> fast enough for what you need?
2013-12-15T19:40:21 < Laurenceb_> only supports coefficients of form (1-2^-n)
2013-12-15T19:40:23 < Laurenceb_> yeah
2013-12-15T19:40:45 < Laurenceb_> 11clks/iteration
2013-12-15T19:41:24 < Laurenceb_> so 9.4Mhz with adc running full speed
2013-12-15T19:41:55 < emeb_mac> 1st order lpf?
2013-12-15T19:42:11 < Laurenceb_> 2nd
2013-12-15T19:42:15 < Laurenceb_> bandpass
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2013-12-15T19:43:15 < gxti> oh, pcbs were delivered after all. tracking said 'notice left'.
2013-12-15T19:43:21 < emeb_mac> interesting. must be "fun" to figure out coefficients that are close enough to the desired response
2013-12-15T19:43:53 < emeb_mac> gxti: time to go hunting for where they left them.
2013-12-15T19:44:14 < Laurenceb_> http://imagebin.org/282398
2013-12-15T19:44:21 < Laurenceb_> simulator to the rescue
2013-12-15T19:44:25 < gxti> no, they were in the mailbox. and now they are on my desk.
2013-12-15T19:44:34 < gxti> but 'notice left' means not delivered.
2013-12-15T19:44:37 < Laurenceb_> tho frequency is in radians/sample/10000
2013-12-15T19:45:15 < Steffan-> Did you even try to do it in C first Laurenceb_?
2013-12-15T19:45:22 < Laurenceb_> no
2013-12-15T19:45:29 < Steffan-> Too see what the compiler ends up with...
2013-12-15T19:45:37 < Laurenceb_> heh
2013-12-15T19:45:46 < emeb_mac> would be interesting
2013-12-15T19:46:01 < Laurenceb_> i predict at least 5 times slower
2013-12-15T19:46:08 < Laurenceb_> the CMSIS filter is too generalised
2013-12-15T19:46:25 < emeb_mac> so what's the penalty for replacing those "sub r1, r1, r1, asr 7" instructions with actual multiplies?
2013-12-15T19:46:29 < Laurenceb_> you can see just looking at the source
2013-12-15T19:46:40 < Laurenceb_> 4clks
2013-12-15T19:46:55 < emeb_mac> mults are that slow?
2013-12-15T19:46:58 < emeb_mac> wow
2013-12-15T19:47:02 < Laurenceb_> well  - 3 for the first, 5 for the second
2013-12-15T19:47:14 < Laurenceb_> long multiply and long MAC
2013-12-15T19:48:13 < emeb_mac> dsPIC looking better all the time...
2013-12-15T19:48:16 < Steffan-> "i predict at least 5 times slower" .. try it :P
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2013-12-15T19:49:37 < Laurenceb_> isnt M4 better?
2013-12-15T19:50:54 < emeb_mac> might be. faster mults, more options.
2013-12-15T19:50:56 < Laurenceb_> ill look up MAC timings and stuff when im less lazy
2013-12-15T19:51:27 < gxti> 'less lazy' says the genius that goes right to asm
2013-12-15T19:51:30 < karlp> Laurenceb_: did you read that dsp pdf that thorn posted?
2013-12-15T19:51:46 < Laurenceb_> nope
2013-12-15T19:52:02 < karlp> had some good tricks on speeding up this sort of thing
2013-12-15T19:52:44 < Laurenceb_> ah i see it now
2013-12-15T19:52:48 < Laurenceb_> cool ill have a read
2013-12-15T19:52:57 < emeb_mac> link?
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2013-12-15T19:53:23 < Laurenceb_> http://www.arm.com/files/pdf/dspconceptsm4presentation.pdf
2013-12-15T19:53:27 < Laurenceb_> that i think?
2013-12-15T19:53:32 < emeb_mac> looks like m4 smlal (signed long mult/accum) is just 1 cycle.
2013-12-15T19:53:36 < Laurenceb_> hah M4
2013-12-15T19:53:41 < Laurenceb_> ah
2013-12-15T19:53:52 < Laurenceb_> yeah that pdf is also m4
2013-12-15T19:54:48 < karlp> some of the tricks on addresseing coeffs and stuff are still applicable
2013-12-15T19:55:33 < Robint91_> emeb_mac, yes it does, it even supports gdb quite well
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2013-12-15T19:56:15 < emeb_mac> Robint91_: interesting.
2013-12-15T19:56:36 < emeb_mac> Laurenceb: pg12 m3 vs m4 dsp performance
2013-12-15T19:56:57 < emeb_mac> 4-5x faster...
2013-12-15T19:57:17 < Laurenceb_> yeah, huge :P
2013-12-15T19:57:20 < Robint91_> Laurenceb_, doesn't the M3/M4 have MACs?
2013-12-15T19:57:25 < Laurenceb_> yes
2013-12-15T19:57:55 < Laurenceb_> Robint91_: but its slow of M3
2013-12-15T19:58:05 < Laurenceb_> hence the bit shift trick
2013-12-15T19:58:10 < Laurenceb_> *on
2013-12-15T19:59:19 < emeb_mac> +1 for pg16 - "real" DSP has single-cycle zero-overhead looping MAC.
2013-12-15T19:59:33 < emeb_mac> even dsPIC has that, but M4 doesn't
2013-12-15T20:00:13  * emeb_mac realizes he's read this before.
2013-12-15T20:01:27 < Robint91_> emeb_mac, those things are nice to work with
2013-12-15T20:01:45  * Robint91_ did stuff like that on TI DSPs
2013-12-15T20:01:50 < emeb_mac> ya
2013-12-15T20:01:59 < Robint91_> but doing that and interrupts = can of worms
2013-12-15T20:02:10 < emeb_mac> downside there is all the rest of the crud that comes along with TI DSPs
2013-12-15T20:02:11 < emeb_mac> :)
2013-12-15T20:03:06 < emeb_mac> Robint91_: dsPIC has a simple "don't interrupt me for N cycles" instruction. preface your loop with that.
2013-12-15T20:03:19 < Robint91_> ti doesn't, I think
2013-12-15T20:03:30 < Robint91_> or I didn't found it
2013-12-15T20:03:37 < Laurenceb_> is dsPIC a "PIC" core?
2013-12-15T20:03:43 < Laurenceb_> or MIPS?
2013-12-15T20:03:48 < emeb_mac> Laurenceb: neither
2013-12-15T20:03:52 < Laurenceb_> ah
2013-12-15T20:03:57 < emeb_mac> core is same as PIC24
2013-12-15T20:04:07 < emeb_mac> different from original PIC and not MIPS
2013-12-15T20:04:09 < Laurenceb_> i see
2013-12-15T20:04:10 < gxti> there are two series, dspic30 is pic24
2013-12-15T20:04:15 < gxti> dspic33 i think is different
2013-12-15T20:04:21 < emeb_mac> not really
2013-12-15T20:04:42 < gxti> i'm only "familiar" with dspic30 and i ended up not actually using any of the dsp crap, great choice on my part
2013-12-15T20:04:45 < emeb_mac> dsPIC33 is just 3.3V version of dsPIC30 for the most part
2013-12-15T20:05:05 < emeb_mac> might be some timing differences, but generally the same
2013-12-15T20:05:08 < gxti> still 16 bit rubbish?
2013-12-15T20:05:13 < emeb_mac> ya
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2013-12-15T20:05:33 < emeb_mac> but you can do a lot with those 16 bits...
2013-12-15T20:05:52 < Laurenceb_> heh
2013-12-15T20:05:54 < emeb_mac> and the interrupt latency is pretty damned good.
2013-12-15T20:06:13 < Laurenceb_> this biquad stuff needs 32 bits to get good rejection
2013-12-15T20:06:22 < emeb_mac> not surprising
2013-12-15T20:06:27 < Laurenceb_> http://www-users.cs.york.ac.uk/~fisher/tmpdir/misc/0510069F.gif
2013-12-15T20:06:35 < Laurenceb_> nice and sharp now
2013-12-15T20:08:46 < emeb_mac> good enough to kill the GSM interference?
2013-12-15T20:09:18 < Laurenceb_> should be, yes
2013-12-15T20:10:07 < Laurenceb_> i should try using this thing for optical comms
2013-12-15T20:10:31 < emeb_mac> WDM baby
2013-12-15T20:10:45 < emeb_mac> what's the bit rate?
2013-12-15T20:11:00 < Laurenceb_> atm its just a spectrometer
2013-12-15T20:11:04 < emeb_mac> ya
2013-12-15T20:11:09 < Laurenceb_> output from the DFT is 64sps
2013-12-15T20:11:23 < emeb_mac> sps or ksps?
2013-12-15T20:11:24 < Laurenceb_> with 5 carriers
2013-12-15T20:11:54 < Laurenceb_> sps :P
2013-12-15T20:12:12 < emeb_mac> heh. 320bps is not so hot.
2013-12-15T20:12:32 < Laurenceb_> it would only be useful for low data rate comms to underwater kit
2013-12-15T20:12:43 < Laurenceb_> stuff submerged in salt water
2013-12-15T20:12:43 < Laurenceb_> that was the idea
2013-12-15T20:12:48 < emeb_mac> ya
2013-12-15T20:12:55 < emeb_mac> that is a big problem
2013-12-15T20:14:06 < emeb_mac> ISTR Cameron was using optical for his deep sea stuff.
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2013-12-15T20:29:51 < PaulFertser> karlp: can I send to libopencm3-devel@lists.sourceforge.net a example for libopencm3-examples without having subscribed?
2013-12-15T20:30:38 < karlp> no idea,
2013-12-15T20:30:53 < karlp> you can send a pull though if you like?
2013-12-15T20:31:13 < karlp> I have merge rights there now again, so I'm trying to do some overduew merging and updates for teh examples repo
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2013-12-15T20:34:57 < PaulFertser> karlp: thank you! I somehow prefer emails as they're easier to discuss. Hope that one is ok.
2013-12-15T20:36:18 < karlp> I'll read it, but I find working with patches mailed around to be disgusting and tedious and so incredibly prone to mangling
2013-12-15T20:36:35 < Steffan-> have a talk with mr lunix karlp :P
2013-12-15T20:37:43 -!- madist [madisx@unaffiliated/madist] has quit [Quit: Leaving]
2013-12-15T20:39:12 < PaulFertser> karlp: TIA. I find "git am" pretty usable, can be directly started from e.g. mutt.
2013-12-15T20:43:09 < karlp> you can chat about it more on #libopencm3 if you like,
2013-12-15T20:44:26 < Laurenceb_> emailing patches seems nuts
2013-12-15T20:44:46 < Laurenceb_> but i guess its "commercial environment" friendly
2013-12-15T20:50:00 < karlp> what?
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2013-12-15T21:09:02 < zyp> Laurenceb_, you know, there's even a «git send-email» command for emailing patchsets
2013-12-15T21:17:00 < Steffan-> only because mr lunix likes that
2013-12-15T21:18:15 < jpa-> well.. emailing patches or publishing a git repo are pretty much the only sane ways
2013-12-15T21:18:32 < jpa-> if you can't do or don't bother with the second for some reason, the first one is reasonable
2013-12-15T21:19:13 < jpa-> (well, i guess one should count "put patches on a website" also)
2013-12-15T21:19:15 < zyp> then you have patches attached to tickets
2013-12-15T21:19:48 < gxti> mr lunix takes pull requests not patchspam, it's his minions that actually look at stuff
2013-12-15T21:22:34 < Steffan-> i remember mr lunix lost some patches because his hdd died..
2013-12-15T21:22:45 < Steffan-> and they had to be re-emailed
2013-12-15T21:23:37 < gxti> cool story bro
2013-12-15T21:24:40 < jpa-> nope; he was just being lazy and didn't bother to recheck which ones he had already merged
2013-12-15T21:24:48 < jpa-> so "re-email if you see that yours is missing"
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2013-12-15T21:26:30 < Steffan-> oh, was it really like that?
2013-12-15T21:26:46 < jpa-> well that's what his blog says
2013-12-15T21:26:58 < jpa-> maybe he said something different to you personally, i wouldn't know
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2013-12-15T21:27:34 < Steffan-> does he blog? i read some email
2013-12-15T21:28:09 < jpa-> ah, email yeah
2013-12-15T21:28:31 < jpa-> isn't lkml pretty much his blog? ;)
2013-12-15T21:30:24 < Steffan-> oh, i interpreted that as .. resend the patches(by email)
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2013-12-15T23:16:23 < Laurenceb_> http://s2.b3ta.com/host/creative/65077/1386851268/christmasflan.jpg
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2013-12-15T23:29:36 < Thorn> btw mips docs say microaptiv-uc doesn't have TLB support in the MMU
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2013-12-15T23:30:43 < Thorn> need to read up on which dsp features it has, probably more than c-m
2013-12-15T23:31:56 < emeb> mips. ewww.
2013-12-15T23:32:23 < Thorn> is it much different from arm?
2013-12-15T23:32:53 < emeb> I did a bit of reading through the mips ISA a while back. It seems fairly different to me
2013-12-15T23:33:37 < emeb> it seemed even more RISC than ARM.
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--- Day changed Mon Dec 16 2013
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2013-12-16T00:10:22 < mtbg> hi
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2013-12-16T00:20:32 < emeb> how important is it to have USB ESD protection network on an F4?
2013-12-16T00:20:50 < emeb> something like this: http://www.nxp.com/documents/data_sheet/IP4234CZ6.pdf
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2013-12-16T00:32:00 < Thorn> completely unnecessary if you're zyp
2013-12-16T00:32:29 < Thorn> I use usblc6-2sc6
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2013-12-16T01:03:15 < dongie> http://forumimage.ru/uploads/20130531/136998867221342968.jpg meanwhile in russia
2013-12-16T01:04:20 < Thorn> isn't it japanese?
2013-12-16T01:06:14 -!- PaulFertser [paul@paulfertser.info] has quit [Ping timeout: 246 seconds]
2013-12-16T01:06:53 < Thorn> this guy for example http://elm-chan.org/
2013-12-16T01:08:21 < Steffan-> If it works it's japanse for sure.. who else has the patience to do something like that?
2013-12-16T01:08:40 < Laurenceb_> impedance matching?!
2013-12-16T01:09:15 < Laurenceb_> http://elm-chan.org/works/glg2/pcb.jpeg
2013-12-16T01:09:20 < Laurenceb_> def less hardcore
2013-12-16T01:14:20 < Thorn> http://elm-chan.org/docs/wire/wiring5.jpeg
2013-12-16T01:14:58 < Thorn> http://elm-chan.org/works/lcam/lcam_ctrl.jpeg
2013-12-16T01:15:57 < dongs_> he would probly spend less $ in time to just order a fucking pcb + stencil from me.
2013-12-16T01:16:33 < Thorn> http://elm-chan.org/works/asg/xy2.png
2013-12-16T01:17:23 < bsdfox> holy shit what a waste of time
2013-12-16T01:18:16 < dongs_> ^
2013-12-16T01:19:51 < GargantuaSauce_> someone needs to make .5mm perfboard
2013-12-16T01:20:32 < Laurenceb_> i lolled
2013-12-16T01:20:32 < Thorn> without perf
2013-12-16T01:21:42 < dongs_> but now that i got bsdfox attention, http://imgur.com/a/ZJTDQ
2013-12-16T01:21:55 < GargantuaSauce_> i love the kapton-masked tqfp
2013-12-16T01:21:58 < GargantuaSauce_> that is fucking brilliant
2013-12-16T01:22:16 < Laurenceb_> old dongs
2013-12-16T01:22:22 < bsdfox> dongs_, yeah that guy is a douche
2013-12-16T01:22:25 < dongs_> ya just retweeting
2013-12-16T01:22:35 < dongs_> bsdfox: is it on the mailinglist already?
2013-12-16T01:23:04 < bsdfox> haven't seen it but I only follow -embedded and -arm
2013-12-16T01:23:26 < dongs_> its probly on -users or simlar, like the last troll
2013-12-16T01:23:56 < Thorn> hardwhere
2013-12-16T01:25:32 < Steffan-> "linux tovalds hates theo" .. whats new?
2013-12-16T01:25:53 < Steffan-> -s
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2013-12-16T01:36:51 < Steffan-> why i havent seen this linked yet Laurenceb_? http://www.theregister.co.uk/2013/12/13/mac_bitcoin_mining_hoax/ ..
2013-12-16T01:37:35 < Laurenceb_> "denizens of internet horror-forum 4chan"
2013-12-16T01:37:38 < Laurenceb_> i lolled
2013-12-16T01:38:15 < Thorn> won't work, need space before /
2013-12-16T01:39:26 < Steffan-> i guess that is some copy paste fail.
2013-12-16T01:40:24 < Steffan-> and os x is a better unix, so it will work :P
2013-12-16T01:42:47 < dongs_> https://imgur.com/a/beY7E lool
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2013-12-16T01:43:37 < Thorn> dongs is that all your work?
2013-12-16T01:43:54 < Laurenceb_> these all look like dongs creations
2013-12-16T01:44:52 < Steffan-> NIGLUX must be your favourite dongs.
2013-12-16T01:45:04 < Laurenceb_> haha
2013-12-16T01:46:07 < Laurenceb_> GNULLIX
2013-12-16T01:47:04 < dongs_> wats nullo
2013-12-16T01:47:05 < dongs_> is that some UK shit
2013-12-16T01:48:04 -!- dongs_ is now known as dongs
2013-12-16T01:48:08 < dongs> found @ urbandictionary
2013-12-16T01:48:20 < Steffan-> or just go use google images.
2013-12-16T01:49:03 < Laurenceb_> oh shit
2013-12-16T01:49:29 < Laurenceb_> do not do that
2013-12-16T01:49:43 < Steffan-> an entire new world opens for Laurenceb_ :D
2013-12-16T01:49:52 < dongs> haha
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2013-12-16T04:27:55 < dongs> oh wow
2013-12-16T04:28:01 < dongs> these 1.27mm pitch headers are legit
2013-12-16T04:28:07 < dongs> i expected broken ass chinese shit
2013-12-16T04:28:12 < dongs> but this stuff is quality
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2013-12-16T04:31:54 < emeb_mac> the magic has returned
2013-12-16T04:34:35 < dongs> also these displayport connectors are real deal
2013-12-16T04:39:10 < emeb_mac> kewl
2013-12-16T04:40:35 < dongs> expected knockoff, instead got real http://www.digikey.com/product-detail/en/DP1RD20JQ1R400/670-2589-1-ND/2713566
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2013-12-16T04:59:48 < dongs> http://irclo.gr/i/134181/zwhjkY7.jpg
2013-12-16T05:00:55 < emeb_mac> lol
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2013-12-16T06:03:35 < dongs> http://irclo.gr/i/134041/B2aeFnd.jpg
2013-12-16T06:05:36 < emeb_mac> ow
2013-12-16T06:09:31 < gnomad> I always wonder what the people who came up with the animated GIF spec think of their use today...
2013-12-16T06:11:03 < GargantuaSauce_> compuserve could be eclipsing google right now if they'd played their cards right!
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2013-12-16T06:23:05 < emeb_mac> big if
2013-12-16T06:27:41 < dongs> didnt compuserve make a shitload off gif patents
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2013-12-16T06:28:48 < GargantuaSauce_> no, they licensed the patent for the compression algorithm they used
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2013-12-16T08:39:38 < emeb_mac> mess around with what?
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2013-12-16T13:04:05 < Thorn> https://lh6.googleusercontent.com/-UyJ0mT1S-7s/Uq4JEFz_Q9I/AAAAAAAAVt4/Y62uII2EZ9k/w553-h415/engineering.gif
2013-12-16T13:06:15 < fbs> lol
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2013-12-16T14:00:23 < dongie> RS is so fucking worthless
2013-12-16T14:00:23 < dongie> damn
2013-12-16T14:02:16 < dongie> http://jp.rs-online.com/web/p/tactile-switches/7455182/ lol UK stock FUCK OFF
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2013-12-16T14:09:28 < dongie> fuck their search is worthless
2013-12-16T14:09:32 < dongie> i found FSMRA4J by part #
2013-12-16T14:09:35 < dongie> but I had to know it before hand
2013-12-16T14:09:39 < dongie> 6X6,R.ANG,H8.36.160G SW,FSMRA4JH,.
2013-12-16T14:09:40 < dongie> riiight
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2013-12-16T15:06:22 < Thorn> suddenly found a truckload of information on armv6/v7 in Russian http://ru.osdev.wikia.com/wiki/Категория:Архитектура_ARM
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2013-12-16T15:09:51 < zyp> that's probably useful if you're russian
2013-12-16T15:11:24 < Thorn> several of them here
2013-12-16T15:11:31 < PaulFertser> And can't read English :/
2013-12-16T15:12:09 < karlp> are ther emore than just thorn and paul?
2013-12-16T15:12:16 < karlp> (not judging, just curious)
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2013-12-16T15:13:43 < Thorn> the Joseph Yiu books are the definitive resource on M but there's no equivalent for A/R afaik, so it can be useful even if you can read English
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2013-12-16T15:45:48 < Lux> has anyone here got some experience with the newlib-nano ?
2013-12-16T15:46:33 < Lux> I'm trying to get printf to work, is it enough to use the _write stub or am I missing something?
2013-12-16T15:53:27 < jpa-> -lnosys?
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2013-12-16T16:00:46 < Lux> that didn't do the trick, it has some weird buffering behaviour, sometimes printf gives an output sometimes it doesn't
2013-12-16T16:01:15 < Lux> never mind I guess I'll just go bach to sprintf
2013-12-16T16:01:20 < Lux> *back
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2013-12-16T16:59:32 < Laurenceb> http://www.theregister.co.uk/2013/12/16/bacon_drone/
2013-12-16T16:59:40 < Laurenceb> lolling at bacon cannon
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2013-12-16T17:07:50 < dongie> zyp, does usb have some new trash to do > 500mA draw for 2.0 devices?
2013-12-16T17:07:52 < dongie> no right?
2013-12-16T17:08:12 < dongie> some negotiaion/whatever that isn't in descriptor but later on
2013-12-16T17:12:40 < zyp> huh?
2013-12-16T17:13:29 < zyp> as far as I know, 2.0 devices can't ask for more than 500mA at all, except for charging class which just uses resistors on data lines
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2013-12-16T17:39:15 < karlp> what's this footprint likely to be, the one marked "no otg port" http://www.freaktab.com/attachment.php?attachmentid=1813&d=1363123771
2013-12-16T17:39:46 < karlp> from the through hole guides and the size of it, it's clearly a socket of some sort,
2013-12-16T17:39:58 < karlp> would it be for a combined video+audio headphone jack type of thing?
2013-12-16T17:39:58 < zyp> looks like a soic on top and usb on the bottom
2013-12-16T17:40:18 < karlp> it does have a micro usb ont eh bottom
2013-12-16T17:40:30 < karlp> of the holes are for the usb then,
2013-12-16T17:40:50 < zyp> yeah, they are not aligned with the soic footprint at all
2013-12-16T17:41:04 < karlp> I was counting the wholes in both, no wonder it didnt' look like anything I'd seen
2013-12-16T17:47:12 < madist> wonder why its labeled T0
2013-12-16T17:47:24 < madist> the ICs seem to be labeled Ux
2013-12-16T17:47:33 < madist> does this thing have ethernet ?
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2013-12-16T17:49:17 < karlp> not exposed at least
2013-12-16T17:49:36 < karlp> don't know off hand whether the soc does (rockchip 3066)
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2013-12-16T17:50:13 < zyp> yeah, it looks like it could be an ethernet transformer
2013-12-16T17:50:26 < zyp> and the unmounted QFN could be the phy
2013-12-16T17:50:42 < zyp> but I don't know where they'd fit the jack
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2013-12-16T17:53:00 < karlp> the rk3066 has rmii, but I've not noticed any of the devices having a jack on board
2013-12-16T17:53:08 < karlp> http://www.freaktab.com/attachment.php?attachmentid=1814&d=1363123795 is the other side
2013-12-16T17:53:42 < karlp> this is a "clone", and all the others do have a bunch of power stuff in that _area_, but the other ones have a dc jack, not micro usb for power, so the commentary on that pic is off again
2013-12-16T17:53:46 < madist> lol @ the crystal
2013-12-16T17:53:58 < wpwrak> hi ! i have a messy problem on my hands and was wondering if anyone may know a way out. i've flashed a "bad" image to an stm32f2 and now when trying to load a "good" image via openocd, "reset halt" always fails with "Error: timed out while waiting for target halted"
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2013-12-16T17:54:59 < wpwrak> i suspect that the chip may execute code that upsets chip or board before openocd manages to get control. i wonder if there's a way to prevent it from doing that.
2013-12-16T17:55:39 < zyp> karlp, looks like small linear regs for power
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2013-12-16T17:56:12 < karlp> yeah, I was more curious about that soic one, but your theories are good :)
2013-12-16T17:56:28 < karlp> when it's doing things more useful than it is now I'll try mounting the unpopulated micro usb,
2013-12-16T17:56:38 < karlp> it happens to be the same fotoprint as some cheap ones I bought myself
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2013-12-16T17:57:10 < wpwrak> (and alternative theory would be that the bad image already caused irreparable damage, which would of course be sad. the bad image was for an stm32f4, so it set a higher clock and such. the board in question is an USI WM-N-BM-09 EVB, the STM32F2 sits in a Broadcom Wiced module. so i don't have access to all the pins, in case that matters)
2013-12-16T17:57:31 < zyp> karlp, yeah, I think it's somewhat standardized
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2013-12-16T17:58:00 < karlp> I probably got the part number from one of you guys .)
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2013-12-16T18:02:49 < wpwrak> any ideas ?
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2013-12-16T18:09:38 < Steffan-> karlp, you are in control of the libopencm3-example stuff not? Are the examples meant to build? :)
2013-12-16T18:10:11 < zyp> of course they are
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2013-12-16T18:12:20 < karlp> and I'll fix it....
2013-12-16T18:12:23 < karlp> soooon
2013-12-16T18:12:24 < Steffan-> Yes, of course..
2013-12-16T18:12:47 < Steffan-> Anyway, some examples are written for a more recent version of the lib.. but i guess you already figured that out?
2013-12-16T18:13:40 < karlp> there's a few things to cleanup, which I had planned on doing over the weekend, but I got sidetracked with other things
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2013-12-16T18:23:51 < karlp> works now with what's in the -examples repo, but won't work with the latest libocm3 itself
2013-12-16T18:25:57 < Steffan-> :)
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2013-12-16T18:26:57 < zyp> Steffan-, are you finally doing a stm32 project again?
2013-12-16T18:27:17 < Steffan-> you have no idea what i've been doing lately ( or not so lately )
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2013-12-16T18:27:40 < Steffan-> I messed around with chibios, but somehow i still don't really like it.
2013-12-16T18:28:12 < zyp> Steffan-, of course I have no idea, you aren't telling :p
2013-12-16T18:28:43 < Steffan-> yeah, because it's not interesting enough to talk about.
2013-12-16T18:31:21 < Steffan-> Neither is this new-old project.
2013-12-16T18:31:31 < Steffan-> Just some basic wireless motion sensor.
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2013-12-16T18:34:34 < PaulFertser> wpwrak: hey!
2013-12-16T18:34:49 < PaulFertser> wpwrak: so you've got into stm32 hacking too? Welcome :)
2013-12-16T18:35:22 < PaulFertser> wpwrak: for OpenOCD you need to use "reset_config srst_only srst_nogates connect_assert_srst" and then you can reflash any code because the soc is not running while srst is asserted.
2013-12-16T18:36:47 < PaulFertser> wpwrak: s/srst_nogates/srst_nogate/
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2013-12-16T18:38:20 < jpa-> assuming you have nrst connected to target
2013-12-16T18:39:21 < jpa-> if not, running     until <flash command>; do true; done     and resetting/powering on/whatever the device usually succeeds pretty easily
2013-12-16T18:41:40 < PaulFertser> Holding reset with tweezers works too when flashing in manual mode, yes.
2013-12-16T18:42:02 < wpwrak> let's see ...
2013-12-16T18:42:02 < jpa-> but you need to release the reset at correct point
2013-12-16T18:42:27 < wpwrak> reset_config ... -> no change
2013-12-16T18:42:30 < PaulFertser> But not with BMP, it gets upset if it can't halt the CPU on attaching and doesn't proceed. And it can't do halt it when the cpu is not running.
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2013-12-16T18:42:54 < jpa-> wpwrak: do you have NRST connected between your programmer and the target?
2013-12-16T18:43:03 < PaulFertser> With OpenOCD tweezers might work because there's no deadline for waiting the target to halt, you can do it for as long as you want.
2013-12-16T18:43:23 < wpwrak> i tried "stm32f2x mass_erase 0" to which it responds with "device id = 0x00000000" and "Cannot identify target as a STM32 family."
2013-12-16T18:43:29 < jpa-> PaulFertser: it's still required quite a bit of timing for me..
2013-12-16T18:43:34 < wpwrak> not sure if this is a consequence of not halting or something else
2013-12-16T18:44:01 < PaulFertser> wpwrak: what do you get if you start openocd while manually holding srst low?
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2013-12-16T18:44:48 < PaulFertser> jpa-: I don't exactly remember but I used my "boss" as an external tweezers controller and it worked fine :)
2013-12-16T18:45:16 < jpa-> yeah it is doable, but i find a loop like this helps the process when doing it alone   http://paste.dy.fi/6jq/plain
2013-12-16T18:45:20 < GargantuaSauce_> wpwrak: this is gonna sound silly but have you tried power cycling the device+stlink? last time i broke the clock config on the f4 that helped for whatever reason
2013-12-16T18:45:35 < wpwrak> nRST seems to be physically connected to SRST
2013-12-16T18:46:19 < PaulFertser> jpa-: btw, there's a "program" convenience Tcl proc now for flashing.
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2013-12-16T18:46:32 < wpwrak> GargantuaSauce_: it's not stlink. it's an usi board for a broadcom wiced module. power is via USB, so cycling also kills my openocd
2013-12-16T18:47:14 < wpwrak> and yes, of course i tried cycling, letting it cool, and so on :) even checked the supply voltage. all looks well there.
2013-12-16T18:48:03 < wpwrak> PaulFertser: lemme trim down their openocd setup scripts first ...
2013-12-16T18:48:31 < PaulFertser> wpwrak: the thing is that with RST asserted stm32's are fully functional, just not running any code, all the pins and registers set to default etc. So you should at least get proper JTAG ID after inquiry in this condition.
2013-12-16T18:48:33 < jpa-> PaulFertser: i'm still too lazy to spend much time on learning openocd, i just use whatever command i've found that works :P
2013-12-16T18:49:48 < PaulFertser> jpa-: some time ago I felt like learning a bit more of it, not sure why, but I had to implement bringup for a custom board with sdram etc. Also was nice to contribute to a project that helped me so much.
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2013-12-16T19:01:24 < wpwrak> PaulFertser: i get the TAP ID without problems (with or without reset)
2013-12-16T19:02:31 < PaulFertser> wpwrak: you should actually get two TAP IDs (one for boundary scan, one for uC). And then you should be able to "reset halt" and then you can deassert SRST and then you can "halt" again and proceed with flashing (hopefully).
2013-12-16T19:02:59 < PaulFertser> (Or something like that, connect_assert_srst works very nicely for me since it was introduced)
2013-12-16T19:03:06 < wpwrak> yes, i do get both ids
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2013-12-16T19:21:07 < wpwrak> asserting nRST doesn't seem to affect anything
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2013-12-16T19:27:38 < dongs> < zyp> as far as I know, 2.0 devices can't ask for more than 500mA at all, except for charging class which just uses
2013-12-16T19:27:42 < dongs>              resistors on data lines
2013-12-16T19:27:44 < dongs> oic :(
2013-12-16T19:27:47 < dongs> hmm
2013-12-16T19:27:47 < dongs> but charging class cant be a real USb device?
2013-12-16T19:27:55 < dongs> anyhow my new jewpad adapter draws 1.3A
2013-12-16T19:28:15 < dongs> i did add a separate 5V pin header to it tho
2013-12-16T19:28:18 < zyp> because it's not a class in the traditional sense, it's a different mode
2013-12-16T19:28:35 < dongs> right
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2013-12-16T19:29:53 < dongs> at least new adapter power button works properly
2013-12-16T19:29:56 < dongs> since the chip isnt fucktarded
2013-12-16T19:30:35 < dongs> so I did 3 clicks on it, click one from power on goes to standby (just kills BL), then if next click is soon enough, it turns off completely ( disconnect from dp ) or else goes back to BL_on
2013-12-16T19:30:59 < dongs> blue = bl on, red = standby
2013-12-16T19:33:34 < BrainDamage> laurenceb-grade link: http://dogecoin.org/
2013-12-16T19:37:16 < dongs> oooooooold
2013-12-16T19:37:25 < dongs> check out #dogecoin on feenode
2013-12-16T19:39:47 < zyp> http://plspetdoge.com/
2013-12-16T19:40:20 < wpwrak> when i try to read the CPU ID, "stm32f2xxx.cpu mdw 0xE000ED00", i get 0. i wonder if this access is supposed to be possible if the cpu isn't stopped. openocd doesn't complain
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2013-12-16T19:40:52 < zyp> sure it is
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2013-12-16T19:47:30 < dongs> its just memory map right?
2013-12-16T19:47:34 < dongs> so you should beable to read it
2013-12-16T19:48:52 < Thorn> gdb doesn't allow access to all memory by default (depending on the xml memory map that the gdbserver feeds it), maybe that's the problem
2013-12-16T19:49:02 < PaulFertser> wpwrak: hm, the only other thing I can think of is option bytes area. I've seen some reports of being unable to perform any programming on f4 when a watchdog was activated.
2013-12-16T19:49:17 < PaulFertser> Thorn: mww is openocd's command, gdb is not involved here.
2013-12-16T19:49:32 < Thorn> ok sorry
2013-12-16T19:50:49 < PaulFertser> I think it might be possible to reprogram option bytes with openocd by manually issuing corresponding mww commands.
2013-12-16T19:50:58 < PaulFertser> At least it should be readable.
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2013-12-16T19:51:27 < englishman> reading f2 ref manual, device id is at 0xE0042000 ?
2013-12-16T19:52:50 < dongs> why the fuyck they keep moving it around
2013-12-16T19:52:53 < dongs> its like all over the place
2013-12-16T19:53:38 < wpwrak> hmm, nothing there either
2013-12-16T19:54:01 < englishman> RM0033 page 1313
2013-12-16T19:58:53 < wpwrak> hah. i seem to be getting somewhere :)
2013-12-16T19:59:09 < wpwrak> tried to read 0xE0042000 and got 0
2013-12-16T19:59:26 < wpwrak> then i asserted reset and tried again. still 0.
2013-12-16T19:59:53 < wpwrak> then i powered down, asserted reset, and powered up again. this time i finally got a non-zero result.
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2013-12-16T20:01:22 < wpwrak> then i reset the evil critter once more. entered "halt" and while gdb was waiting for the core to halt, deasserted reset
2013-12-16T20:01:35 < wpwrak> and it finally responded !
2013-12-16T20:02:01 < TitanMKD> hi
2013-12-16T20:03:33 < wpwrak> i followed this up quickly with a "stm32f2x mass_erase 0". which seems to have succeeded. after that, i could reflash that wicked board with regular firmware
2013-12-16T20:04:13 < wpwrak> pharrgghll ... that was an ordeal
2013-12-16T20:04:49 < wpwrak> thanks a lot for all the help !
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2013-12-16T20:13:40 < PaulFertser> wpwrak: yay!
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2013-12-16T20:14:05 < PaulFertser> wpwrak: so we should add physical power-cycling to the list of tricks, nice.
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2013-12-16T20:15:03 < Steffan-> didn GargantuaSauce_ already adviced that? :P
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2013-12-16T20:16:32 < wpwrak> it's the combination: power-cycle while (manually) asserting reset
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2013-12-16T20:16:58 < PaulFertser> wpwrak: btw, about a month ago I finally got openmoko jtag board and fixed a nasty bug preventing resume every once in a while, it was a long way :) Though in restrospect I have to admit I was late to the game and everything went downhill abot half a year after I joined.
2013-12-16T20:18:19 < Steffan-> i bet there is still *someone* out there who loves you for it PaulFertser
2013-12-16T20:18:21 < wpwrak> kewl. resume bugs are always fun to fix :)
2013-12-16T20:19:09 < wpwrak> i know of one person who (still) uses the gta02 as his daily phone
2013-12-16T20:19:37 < PaulFertser> Steffan-: yes, few other poor souls stuck with using ancient 2.6.39 kernel on an ancient cellphone (gta02).
2013-12-16T20:20:27 < PaulFertser> wpwrak: does he use FSO or QtMoko? I seem to be the only real FSO user left, everyone else jumping the ship.
2013-12-16T20:27:44 < wpwrak> i think he uses QtMoko
2013-12-16T20:33:34 < PaulFertser> Radek started using his gta02 daily after my fix, and prepares new QtMoko releases, so he might benefit.
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2013-12-16T20:44:22 < wpwrak> a summary, in case someone else runs into this: https://github.com/frtos-wpan/frtos-wpan/blob/master/doc/wm09-recovery.txt
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2013-12-16T20:51:47 < englishman> - connect to OpenOCD with
2013-12-16T20:51:47 < englishman>   % telnet localhost 4444
2013-12-16T20:51:56 < englishman> wow, didn't know you had to do that
2013-12-16T20:52:17 < englishman> isnt there a GUI or something
2013-12-16T20:52:23 < englishman> (haven't used openocd)
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2013-12-16T20:59:10 < wpwrak> maybe there's some IDE that has a nice GUI. but why make life complicated ? :)
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2013-12-16T23:01:29 < HD_Mouse> this is a channel for the stm32 discovery boards from stmicro, right?
2013-12-16T23:02:08 < karlp> such disco, much cheep
2013-12-16T23:02:15 < karlp> when we're not doign other things, it can be
2013-12-16T23:02:18 < englishman> just because we talk about stm doesn't mean we use them
2013-12-16T23:02:50 < englishman> :P sorry
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2013-12-16T23:04:41 < jpa-> and just because this is ##stm32, doesn't mean we talk about stm :)
2013-12-16T23:04:54 < HD_Mouse> i've been struggling with getting dma to work from an spi transmission request, think you could help? :D
2013-12-16T23:05:33 < jpa-> possibly
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2013-12-16T23:14:16 < HD_Mouse> http://pastebin.com/0na3AGhw
2013-12-16T23:14:27 < HD_Mouse> there's a paste of some of my code
2013-12-16T23:14:38 < HD_Mouse> mostly just the SPI and DMA initialization
2013-12-16T23:15:01 < jpa-> so what happens when you run it?
2013-12-16T23:15:13 < HD_Mouse> well, boots up fine, no issues there
2013-12-16T23:15:23 < HD_Mouse> from the master, i send over a command byte
2013-12-16T23:16:03 < HD_Mouse> i see the receive interrupt handler receive 4 bytes, then stops
2013-12-16T23:16:11 < jpa-> this line looks suspicious:   DMA1_Channel3->CNDTR = (uint16_t) sizeof(table_row) * TABLE_SIZE;
2013-12-16T23:16:31 < HD_Mouse> with a logic analyzer, i can see the appropriate bytes being sent over, but nothing comingo ut of MISO
2013-12-16T23:16:33 < HD_Mouse> oh?
2013-12-16T23:17:19 < jpa-> or maybe not, i don't see the definitions; check the numeric value it gives for correctness
2013-12-16T23:17:34 < HD_Mouse> well, table_row is a typedef'd struct that represents a row of a table of data that i send back over spi
2013-12-16T23:17:39 < HD_Mouse> i should explain what my mcu is doing..
2013-12-16T23:18:09 < HD_Mouse> basically it's configured in slave mode, waits for a command byte, then sends back a table of data after receiving that byte
2013-12-16T23:18:23 < HD_Mouse> table_size is the number of rows there are, table_row is the struct that defines the fields in the row
2013-12-16T23:19:04 < jpa-> ok then, fine
2013-12-16T23:19:30 < jpa-> does the DMA start running? i.e. is the value in CNDTR changing?
2013-12-16T23:20:04 < HD_Mouse> so it does sort of
2013-12-16T23:20:21 < HD_Mouse> it initially starts out at 0xa0
2013-12-16T23:20:34 < HD_Mouse> and in the transfer complete isr, i see it drops down to 0xaf
2013-12-16T23:20:38 < HD_Mouse> but then it seems to stop there
2013-12-16T23:21:03 < HD_Mouse> well, sometimes printfs tell me it drops down to 0x9e, or even 0x9d
2013-12-16T23:21:16 < HD_Mouse> 0x9f* for that earlier comment
2013-12-16T23:21:23 < HD_Mouse> but it never gets beyond there
2013-12-16T23:21:49 < jpa-> even though the master keeps giving SPI clocks?
2013-12-16T23:22:01 < HD_Mouse> yeah
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2013-12-16T23:22:06 < HD_Mouse> can confirm that on the logic analyzer
2013-12-16T23:22:15 < HD_Mouse> master is definitely working as expected
2013-12-16T23:22:53 < jpa-> check the SPI status registers for any error conditions
2013-12-16T23:23:10 < jpa-> same goes for DMA error flag
2013-12-16T23:25:15 < HD_Mouse> yeah, i've had those enabled before
2013-12-16T23:25:23 < HD_Mouse> i would previously get SPI overrun errors constantly
2013-12-16T23:25:42 < jpa-> maybe because printf() in interrupt is going to slow it down a lot?
2013-12-16T23:25:48 < HD_Mouse> but i found in the documentation that this was expected because i was using DMA for tx only, the rx bytes weren't being read
2013-12-16T23:26:10 < jpa-> your ISR definitely reads the rx and i don't see it ever disabling the interrupt..
2013-12-16T23:26:10 < HD_Mouse> and i also have the TE interrupt enabled.. but that never seems to get thrown
2013-12-16T23:27:02 < HD_Mouse> :/
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2013-12-16T23:28:29 < HD_Mouse> i also checked the clock speeds for each to make sure that they match... the stm32 is running in PLL mode at 72 MHz, and the master clk is running at 16 MHz
2013-12-16T23:29:54 < jpa-> slowing down the master clk (a lot, to 100kHz or something) is an easy thing to try
2013-12-16T23:30:21 < HD_Mouse> hmm.. might be worth a try
2013-12-16T23:30:30 < HD_Mouse> for completeness, here's the gpio configuration code
2013-12-16T23:30:31 < HD_Mouse> http://pastebin.com/cMSvHBAz
2013-12-16T23:30:54 < HD_Mouse> shouldn't be wrong though.. a coworker used something to autogenerate it..
2013-12-16T23:31:15 < HD_Mouse> and a while ago i double checked the AF numbers to make sure they matched the pin's AF modes
2013-12-16T23:32:06 < jpa-> also, try to do manual SPI transmit without DMA?
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2013-12-16T23:33:35 < HD_Mouse> ah yeah, that's worked in the past
2013-12-16T23:33:47 < HD_Mouse> definitely something exclusive to my attempt to DMA
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2013-12-16T23:46:54 < HD_Mouse> hm, well, i dropped the master clk speed to 3 Mhz which should be beyond enough.. still getting similar behavior
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2013-12-17T01:25:05 < Laurenceb_> incoming trollbait
2013-12-17T01:25:07 < Laurenceb_> http://arkorobotics.com/images/portfolio-isaac.jpg
2013-12-17T01:27:36 < zyp> no arduino-style headers = not good enough bait
2013-12-17T01:27:49 < zyp> that thing almost looks decent
2013-12-17T01:29:22 < englishman> i like the sensors in a neat little row
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2013-12-17T01:32:22 < Steffan-> incoming trollbait
2013-12-17T01:32:22 < Steffan-> http://i.imgur.com/9cC04.jpg
2013-12-17T01:32:31 < Steffan-> ( lets try it with a new board )
2013-12-17T01:33:05 < zyp> yeah, that's better
2013-12-17T01:33:05 < englishman> SHEILD
2013-12-17T01:34:07 < englishman> whats that Steffan-
2013-12-17T01:34:23 < zyp> Laurenceb_'s old project :D
2013-12-17T01:34:43 < Steffan-> oh, zyp remembers
2013-12-17T01:34:45 < englishman> hehe
2013-12-17T01:34:54 < zyp> Steffan-, of course I do
2013-12-17T01:34:54 < englishman> RF SHEILD really
2013-12-17T01:35:21 < Steffan-> Could be the project/reason he joined #stm32
2013-12-17T01:35:42 < zyp> Steffan-, I also remember your wind speed measurement project ;)
2013-12-17T01:35:50 < Steffan-> Yeah, the good old times.
2013-12-17T01:35:55 < zyp> :)
2013-12-17T01:35:59 < Laurenceb_> it is indeed
2013-12-17T01:36:08 < englishman> where did you find that silkscreen
2013-12-17T01:36:12 < Laurenceb_> englishman: spelling who needs it
2013-12-17T01:36:55 < Steffan-> i dont remember what you did back then zyp :P
2013-12-17T01:37:22 < zyp> quadrotor stuff? :p
2013-12-17T01:38:04 < zyp> that's what I was doing until I got all sidetracked with USB :p
2013-12-17T01:38:29 < Thorn> what's wrong with the robotics board?
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2013-12-17T01:41:06 < Laurenceb_> Thorn: no stm32 :D
2013-12-17T01:41:25 < Thorn> it's still a cortex
2013-12-17T01:43:05 < Thorn> this channel needs to be renamed to ##cortex-trolls btw. it's not just about stm32 anymore, and the second part is also pretty descriptive
2013-12-17T01:43:09 < Steffan-> and faster than the f1 Laurenceb_ used.
2013-12-17T01:43:38 < Steffan-> can one rename a channel?
2013-12-17T01:43:58 < Thorn> the best you can do on freenode is a redirect afaik
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2013-12-17T01:44:35 < Steffan-> [evil laugh]
2013-12-17T01:44:44 < Thorn> other than that, people would need to rejoin, update bookmarks etc. some may be lost in the process
2013-12-17T01:45:45 < Steffan-> but we'll keep the trolls..
2013-12-17T01:46:37 < Thorn> that's the important thing
2013-12-17T01:47:57 < Laurenceb_>  stm/32/
2013-12-17T01:49:32 < Thorn> or maybe ##32bit-trolls in case mips really takes off or something
2013-12-17T01:49:42 < Steffan-> Now you're about to cross the line Laurenceb_
2013-12-17T01:50:13 < BrainDamage> Someone Trolling Mumps 32 ?
2013-12-17T01:50:19 < BrainDamage> just find a better akronym
2013-12-17T01:50:21 < Steffan-> We're on a totally different level.. we're not /b/b
2013-12-17T01:50:34 < Steffan-> -b
2013-12-17T01:59:52 < dongs> sup dongs
2013-12-17T02:00:14 < Thorn> #friends-of-dongs
2013-12-17T02:00:25 < dongs> i have no friends
2013-12-17T02:01:31 < qyx_> gruminess detected
2013-12-17T02:01:35 < qyx_> *grumpiness
2013-12-17T02:05:43 < dongs> only one thing rs is good for
2013-12-17T02:05:49 < dongs> already got shipping notification
2013-12-17T02:05:51 < dongs> on teh fucking right angle buttons
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2013-12-17T03:03:09 < dongs> You can now speak directly to an online engineer via our new chat function, available on the Microcontroller product category homepage.
2013-12-17T03:03:13 < dongs> ooo
2013-12-17T03:03:13 < dongs> time to troll NXP
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2013-12-17T05:04:23 < R0b0t1> lol?
2013-12-17T05:04:39 < R0b0t1> It's kind of fun to figure out their scripts sometimes
2013-12-17T05:42:10 < dongs> wat scripts
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2013-12-17T08:16:06 < emeb_mac> *crickets*
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2013-12-17T08:17:49 < englishman> too busy working
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2013-12-17T08:19:44 < emeb_mac> what's work?
2013-12-17T08:19:59  * emeb_mac loves work - could watch it for hours.
2013-12-17T08:22:40 < dongs> i'm being a shitty foxconn employee for hte last 2 days
2013-12-17T08:22:52 < dongs> they only diff is im not paid $1/hr
2013-12-17T08:23:02 < madist> have you tried jumping out of the window ?
2013-12-17T08:23:09 < dongs> thats next
2013-12-17T08:23:42 < englishman> live on 1st floor=fail
2013-12-17T08:24:32 < englishman> long periods of foxconning is part of life
2013-12-17T08:24:46 < englishman> one must find balance
2013-12-17T08:26:34 < emeb_mac> what exactly constitutes being a foxconn employee?
2013-12-17T08:26:43 < emeb_mac> long hours of tedium?
2013-12-17T08:27:16 < emeb_mac> hot-bunking in a concrete dorm with thousands of others in your same situation?
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2013-12-17T08:32:33 < dongs> haha
2013-12-17T08:33:13 < dongs> since its all girls i wouldnt mind the latter one
2013-12-17T08:33:16 < dongs> except the aids factor
2013-12-17T08:33:50 < wpwrak> dongs: they should get you checked before they let you off the leash then :)
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2013-12-17T08:51:26 < madist> AIDS ? Aren't all Chinese girls virgins ?
2013-12-17T08:54:35 < Viper168> depends on if you count tentacle monsters
2013-12-17T08:54:42 < Viper168> no wait that's japanese
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2013-12-17T12:00:54 < dongs> lol emebripproj is succeeding hard http://www.kickstarter.com/projects/1575992013/logi-fpga-development-board-for-raspberry-pi-beagl?ref=category
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2013-12-17T12:33:20 < Laurenceb> pro tool for rpi
2013-12-17T12:33:21 < Laurenceb> wtf
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2013-12-17T12:37:09 < Laurenceb> http://i.imgur.com/8jRvOAU.jpg
2013-12-17T12:38:16 < Thorn> "now that google bought boston dynamics, you better print out robots.txt and glue it to your front door"
2013-12-17T12:39:46 < Steffan-> hehe. :D
2013-12-17T12:39:57 < zyp> :D
2013-12-17T12:40:08 < Steffan-> i have to retweet that
2013-12-17T12:40:24 < Laurenceb> THIS IS NOT TWITTER
2013-12-17T12:40:43 < zyp> I already did
2013-12-17T12:40:43 < Laurenceb> twitter can die in a fire
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2013-12-17T12:40:59 < Laurenceb> tho it is useful for trolling worthless celebrities
2013-12-17T12:43:18 < Steffan-> i use it as ~rss feed
2013-12-17T12:43:23 < Steffan-> people filter the interesting links for me
2013-12-17T12:44:00 < zyp> I use irc for that purpose
2013-12-17T12:44:17 < Steffan-> except for ##stm32
2013-12-17T12:44:19 -!- madist [~madisx@unaffiliated/madist] has joined ##stm32
2013-12-17T12:44:38 < Steffan-> * ##stm32@laurenceb
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2013-12-17T12:54:02 < dongs> http://www.kickstarter.com/projects/1883701526/matchboxarm lol this garbage is STILL not delivering anything
2013-12-17T12:54:08 < dongs> like 3 months behind schedule
2013-12-17T12:54:28 < dongs> i just made 24 stm32mini boards that haev more parts than these idiotic things this afternoon
2013-12-17T12:55:21 < dongs> http://i.imgur.com/As7q6iT.jpg more useful than matchboxarm
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2013-12-17T12:57:23 < Steffan-> that's your matcharmbox?
2013-12-17T12:57:54 < Laurenceb> truly epic lulz will come from castar
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2013-12-17T13:06:47 < dongs> Steffan-: yeah, the one that's been shipping for overa year now
2013-12-17T13:06:51 < dongs> without dickstarting
2013-12-17T13:07:03 < dongs> This product was added to our catalog on Wednesday 26 September, 2012
2013-12-17T13:07:05 < dongs> lol
2013-12-17T13:07:28 < Laurenceb> at least its physically feasible
2013-12-17T13:07:36 < Laurenceb> unlike castar
2013-12-17T13:09:03 < Steffan-> We'll see Laurenceb.
2013-12-17T13:23:46 < dongie> theres nothing to see
2013-12-17T13:23:50 < dongie> jeri is a pro inventor
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2013-12-17T13:39:19 < Steffan-> timmy-e-products .. that must be you on ebay dongie
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2013-12-17T13:45:25 < dongie> http://bcas.tv/paste/results/jBzKjW78.html lol
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2013-12-17T13:48:33 < Steffan-> fancy nicks there.. what channel is that?
2013-12-17T13:49:37 < dongie> they're all irc girlrs
2013-12-17T13:49:52 < dongie> at leats one of htem has a dick (confirmed)
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2013-12-17T13:55:12 < Laurenceb>  #electronics?
2013-12-17T13:55:36 < dongie> stonertronics
2013-12-17T13:55:38 < dongie> no, tarduino
2013-12-17T13:55:41 < Laurenceb> hackkitten has a dick http://www.mayaposch.com/
2013-12-17T13:55:42 < Laurenceb> ah
2013-12-17T13:55:47 < dongie> yea, definitely
2013-12-17T13:55:54 < Laurenceb> "This is the personal website of the individual called 'Maya Posch', also known as 'me', and 'I'."
2013-12-17T13:55:57 < Laurenceb> saywhat
2013-12-17T13:56:20 < dongie> has nyanco released anything of value
2013-12-17T13:56:32 < Laurenceb> http://www.mayaposch.com/gallery/index.php?gallery=dresses
2013-12-17T13:56:46 < dongie> lol
2013-12-17T13:57:09 < dongie> http://www.mayaposch.com/gallery/galleries/dresses/session_2010-02-20_024_resized.jpg so manly
2013-12-17T13:57:18 < Laurenceb> http://cdn.instanttrap.com/trap.jpg
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2013-12-17T13:57:24 < Steffan-> One day we'll find Laurenceb personal werbsite. I don't want to know how he dresses.
2013-12-17T13:58:16 < dongie> at least on Laurenceb website he doesn't claim to have no dick..
2013-12-17T13:58:27 < Laurenceb> http://www.channelregister.co.uk/2013/12/17/calling_all_makers_csr_preps_sub100_dev_kit_for_bluetooth_smart_chippery/
2013-12-17T13:58:30 < Steffan-> You'll never know.
2013-12-17T13:58:34 < Laurenceb> wtf why is that news
2013-12-17T13:59:27 < Steffan-> Why you read it?
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2013-12-17T14:00:08 < Steffan-> "Calling all makers" ... nuff said?
2013-12-17T14:00:09 < dongie> sub 100?
2013-12-17T14:00:17 < Laurenceb> i lolled
2013-12-17T14:00:17 < dongie> arent the csr bt dongles like $5 on ebay
2013-12-17T14:00:18 < dongie> from china
2013-12-17T14:00:24 < dongie> what else do you need for a "devkit"
2013-12-17T14:00:36 < dongie> ohh
2013-12-17T14:00:39 < dongie> must come with tarduino shield
2013-12-17T14:01:15 < dongie> worth $80 right there
2013-12-17T14:01:35 < dongie> lets retweet in tarduino and see response
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2013-12-17T14:13:44 < dongie> 21:11 < dongie> any girls in this channel who wanna be e-pals??? we can webchat together
2013-12-17T14:13:47 < dongie> 21:12 -!- Axone [~Axone@90.84.144.206] has joined #arduino
2013-12-17T14:13:49 < dongie> 21:12 < zap0> dongie, this isn't facer or twitbook, or whatever you people use these days.
2013-12-17T14:13:53 < dongie> 21:13 < Voicu> dongie: lemme guess, you're saying that "ironically", right?
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2013-12-17T14:14:23 < Laurenceb> countertrolled
2013-12-17T14:15:52 < dongie> Laurenceb: awesome support trolling
2013-12-17T14:15:57 < dongie> i wanted that image in there at some point
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2013-12-17T14:52:23 < dongie> lol wut
2013-12-17T14:52:28 < dongie> i got b& from tarduino
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2013-12-17T14:55:31 < Steffan-> it took that long?
2013-12-17T14:57:39 < dongie> https://github.com/MayaPosch/WildFox haha
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2013-12-17T18:29:44 < Thorn> dave jones on dickstarter http://www.youtube.com/watch?v=Sztyhc-bKZ8
2013-12-17T18:30:09 < karlp> youtube's totally busted for me right now, what's going on
2013-12-17T18:30:29 < karlp> what the, dave jones works, nothing else does
2013-12-17T18:30:45 < karlp> ah, some stupid html5 video problem :|
2013-12-17T18:31:56 < Steffan-> heh, i default to the the html5 player too, but for some reason it still likes to use flash player.
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2013-12-17T18:32:31 < Steffan-> kickstarter.. yay :D
2013-12-17T18:36:02 < Steffan-> I have a modified version of the first one. I forget to turn it of all the time, so the battery is empty when i use it again.
2013-12-17T18:36:08 < Steffan-> *want to use it again
2013-12-17T18:43:34 < Claude> Steffan-, is the uCurrent worth buying? doing a lot of low power stuff lately (uA and sub uA range) and have the problem with dynamic load (e.g. processor wakes up , burden resistance too high -> processor dies)
2013-12-17T18:44:21 < jpa-> it should work.. add rc filter on output if you want nice averages on multimeter
2013-12-17T18:46:18 < karlp> stupid antutu thinks my phone has a sony exynos in it, it has a ST-E novathor
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2013-12-17T19:10:27 < zyp> 8540?
2013-12-17T19:11:07 -!- Claude is now known as claude
2013-12-17T19:11:28 < zyp> oh, no, that was cancelled
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2013-12-17T19:17:10 < karlp> 8500
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2013-12-17T19:25:20 < zyp> doesn't really matter to me either way, I never worked on novathor
2013-12-17T19:28:48 < Laurenceb> oh shit
2013-12-17T19:28:56 < Laurenceb> never go on ED at work
2013-12-17T19:29:07 < gxti> ...
2013-12-17T19:29:14 < zyp> fixed: < Laurenceb> never go on ED
2013-12-17T19:29:21 < Laurenceb> i just got last measured
2013-12-17T19:29:34 < Laurenceb> they have randomly embedded last measures in their wiki
2013-12-17T19:29:40 < emeb> "last measured" = ??
2013-12-17T19:29:49 < Laurenceb> http://www.urbandictionary.com/define.php?term=last%20measure
2013-12-17T19:29:50 < gxti> it's best not to pursue the question emeb
2013-12-17T19:30:03 < Laurenceb> i blame dongs
2013-12-17T19:30:52 < emeb> *sigh*
2013-12-17T19:31:03 < emeb> what would we do w/o UD.
2013-12-17T19:31:34 < gxti> a lot of things probably
2013-12-17T19:31:36 < Steffan-> " it sends whatever is on your clipboard to the GNAA for exploitation" i remember some guy going totally mad about clipboard stealing.
2013-12-17T19:31:45 < Laurenceb> hah
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2013-12-17T19:51:31 < karlp> zyp: no, a friend of mine did via st though
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2013-12-17T21:46:06 < forrestv> can i use the DMA mode of stm32 devices to clock in/out parallel data from GPIO pins?
2013-12-17T21:46:14 < forrestv> or is there a more appropriate peripheral for that?
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2013-12-17T22:47:10 < Tectu> this
2013-12-17T22:47:11 < Tectu> return (BaseSequentialStream *)&(((GConsoleObject *)(gh))->stream);
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2013-12-17T23:07:11 < Laurenceb_> Tectu: whats that?
2013-12-17T23:08:31 < Tectu> Laurenceb_, uGFX code. Stream crap for the console so you can printf() to your display (no new feature)
2013-12-17T23:11:38 < Laurenceb_> oh
2013-12-17T23:12:51 < Laurenceb_> talking of guis, xubuntu will only mount a mass storage device if i use nautilus
2013-12-17T23:13:00 < Laurenceb_> its confusing me a lot
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2013-12-17T23:14:08 < gxti> it's because there's no daemon that does it, something has to request it
2013-12-17T23:14:28 < Laurenceb_> aha
2013-12-17T23:14:31 < Laurenceb_> thanks
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2013-12-17T23:15:32 < gxti> probably some way to trigger from the cmdline but i don't know
2013-12-17T23:15:50 < BrainDamage> gvfs is what handles automounting in gnome & xfce
2013-12-17T23:15:55 < gxti> i either use the desktop icon that pops up or i just 'sudo mount'
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2013-12-17T23:16:28 < Laurenceb_> ok ill fix it tomorrow, (friends laptop)
2013-12-17T23:17:31 < gxti> ah, probably gvfs-mount is the tool then
2013-12-17T23:17:42 < gxti> never looked too closely at gvfs, i kinda know what it does but don't really care
2013-12-17T23:17:43 < fbs> heh, for a while my pc wouldnt automount my ereader. I had to 'fdisk -l /dev/sdx' first, after that it would automount in <10 sec
2013-12-17T23:18:37 < BrainDamage> Laurenceb: what file manager are you using?
2013-12-17T23:18:42 < Laurenceb_> nautilus
2013-12-17T23:19:01 < BrainDamage> then why were you complaining about mounting?
2013-12-17T23:19:03 < Laurenceb_> i suspect its running "diy" xubuntu
2013-12-17T23:19:16 < BrainDamage> nautilus can control gvfs
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2013-12-17T23:19:32 < Laurenceb_> vanilla ubuntu with xfce, that would explain the issues
2013-12-17T23:19:37 < gxti> yeah normally when you plug your junk in an icon just shows up
2013-12-17T23:19:42 < Laurenceb_> it does
2013-12-17T23:19:42 < gxti> even xfce, that's what i use
2013-12-17T23:19:50 < Laurenceb_> but you cant see it from bash
2013-12-17T23:19:58 < gxti> right, double click it in nautilus first and it'll mount
2013-12-17T23:20:02 < Laurenceb_> you need to click on icon in nautilus
2013-12-17T23:20:05 < Laurenceb_> yeah exactly
2013-12-17T23:20:08 < Laurenceb_> every annoying
2013-12-17T23:20:16 < Laurenceb_> *-e
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2013-12-17T23:21:27 < BrainDamage> there are automounting daemons
2013-12-17T23:21:37 < BrainDamage> that actually _do_ mount as shit is inserted
2013-12-17T23:21:51 < BrainDamage> but you'll have to install and configure one yourself
2013-12-17T23:22:14 < Laurenceb_> i see
2013-12-17T23:29:34 < qyx_> in xfce, file manager options, automount when inserted
2013-12-17T23:30:10 < qyx_> no, removable drives and media options
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--- Day changed Wed Dec 18 2013
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2013-12-18T00:54:11 < Laurenceb_> http://www.youtube.com/watch?v=qtNLctyoxU8
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2013-12-18T01:57:45 < emeb> cute
2013-12-18T02:31:17 < bsdfox> that guy isn't very good at sega
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2013-12-18T04:23:56 < dongs> http://newsfeed.time.com/2013/12/17/delta-airlines-is-very-sorry-it-generated-a-confirmation-code-that-read-h8gays/
2013-12-18T04:35:22 < gxti> shocking.
2013-12-18T04:35:30 < gxti> aren't you shocked? i'm shocked.
2013-12-18T04:37:17 < GargantuaSauce> good pr stunt
2013-12-18T04:37:28 < GargantuaSauce> as a homophobe i now know which airline is in line with my interests!
2013-12-18T04:39:16 < gnomad> funny this was given to a guy named "white"
2013-12-18T04:52:31 < dongs> heh
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2013-12-18T11:19:10 < dongs> http://i.imgur.com/ZBFskjv.jpg nice pcb cockup
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2013-12-18T11:28:23 < jpa-> dongs: outdated drill file or something?
2013-12-18T11:29:44 < dongs> gerber i sent looks correct
2013-12-18T11:30:05 < dongs> so sounds like my shit got fucked up
2013-12-18T11:44:46 < Thorn> >The GA144-1.20 chip, with 144 self-contained computers and software-defined I/O
2013-12-18T11:45:32 < Thorn> http://www.greenarraychips.com/home/products/index.html
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2013-12-18T11:47:34 < dongs> waht hte fuck is it
2013-12-18T11:48:07 < dongs> > software defined I/O wat
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2013-12-18T11:49:26 < zyp> bitbanging, xmos style?
2013-12-18T11:49:50 < Thorn> no idea
2013-12-18T11:49:53 < Thorn> they're so revoultionary, they don't even have datasheets
2013-12-18T11:50:00 < Thorn> "modular documentation" ok
2013-12-18T11:57:06 < dongs> haha
2013-12-18T11:58:29 -!- claude is now known as Claude
2013-12-18T11:58:31 < dongs> SOFTWARE DEFINED I/O: The GreenArrays architecture incorporates dedicated
2013-12-18T11:58:31 < dongs> interface hardware only where direct software “bit banging” is impractical. The
2013-12-18T11:58:31 < dongs> argument that hardware is needed to offload a burden on the CPU evaporates with
2013-12-18T11:58:32 < dongs> numerous fast CPUs. Versatile I/O pins mean fewer chip models to inventory
2013-12-18T11:58:33 < dongs> ??????????????????
2013-12-18T12:00:03 < zyp> yeah, exactly
2013-12-18T12:01:02 < dongs> wtf does that even mean :)
2013-12-18T12:01:12 < zyp> what part of it?
2013-12-18T12:01:16 < dongs> any
2013-12-18T12:01:42 < dongs> oh, so its like propeller
2013-12-18T12:01:45 < dongs> software defined bitbanging
2013-12-18T12:01:48 < dongs> on super fast cpu
2013-12-18T12:01:51 < dongs> eating up all your cycles
2013-12-18T12:01:59 < zyp> yeah, except the propeller is not super fast
2013-12-18T12:01:59 < dongs> turning into slow cpu
2013-12-18T12:02:27 < dongs> not after you bitbang everythign
2013-12-18T12:02:52 < zyp> isn't the propeller pretty shitty either way?
2013-12-18T12:03:01 < dongs> of course
2013-12-18T12:05:21 < dongs> xmos is what killed openvizsla
2013-12-18T12:08:11 < Thorn> do these "144 computers" even have shared RAM? (they'd probably say "cores" if they did?)
2013-12-18T12:15:42 < R0b0t1> We talking about what I think we are?
2013-12-18T12:15:53 < R0b0t1> Yep the greenarrays chip
2013-12-18T12:15:55 < R0b0t1> it's uh
2013-12-18T12:15:59 < R0b0t1> interesting.
2013-12-18T12:16:25 < R0b0t1> I contacted the guy and apparently the specialization is low power, not really the massively parallel part
2013-12-18T12:16:28 < R0b0t1> that's just a means to an end
2013-12-18T12:20:02 < Thorn> how many MHz does it run at? I've seen a table that said 700 MIPS, which gives 4.86 MIPS per core
2013-12-18T12:20:17 < Thorn> not exactly a DSP powerhouse
2013-12-18T12:25:34 < Thorn> this says 96 billion ops/second http://www.greenarraychips.com/home/documents/greg/PB001-100503-GA144-1-10.pdf
2013-12-18T12:26:13 < Thorn> "Typically, three to five nodes control the external memory" - not even an sdram controller?
2013-12-18T12:33:57 < zyp> oh, wow, speaking of software defined IO
2013-12-18T12:34:08 < zyp> just got a mail «Good news: you're an XMOS startKIT winner!»
2013-12-18T12:37:09 < R0b0t1> lucky bastard
2013-12-18T12:37:16 < R0b0t1> well, assuming you wanted it
2013-12-18T12:38:33 < karlp> you applied for one?
2013-12-18T12:38:36 < karlp> heh,
2013-12-18T12:38:42 < karlp> good job
2013-12-18T12:42:02 < dongs> rofl
2013-12-18T12:42:10 < dongs> congrats zyp
2013-12-18T12:42:19 < dongs> now you can have anotyher useless evalboard
2013-12-18T12:47:15 < Thorn> this one? http://www.digikey.com/product-detail/en/XK-STK-A8DEV/880-1066-ND/4485710?WT.z_cid=sp_880_buynow
2013-12-18T12:48:40 < dongs> $15 lol
2013-12-18T12:52:01 < zyp> yeah, it was free after all
2013-12-18T12:52:11 < zyp> no reason not to apply for it
2013-12-18T12:52:12 < zyp> :p
2013-12-18T12:54:38 < Thorn> I want a FTDI+cortex SoC
2013-12-18T12:54:55 < karlp> meaning what?
2013-12-18T12:55:07 < Thorn> ftdi mpsse engine + cortex-m0
2013-12-18T12:55:19 < Thorn> or maybe even m3
2013-12-18T12:56:24 < Thorn> they have http://www.ftdichip.com/Products/ICs/VNC2.htm with some 16-bit core
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2013-12-18T13:00:59 < karlp> what's the advantage of the mpsse engine? just a defined usb api for bit banging?
2013-12-18T13:02:30 < dongs> just sending trash to usb fast
2013-12-18T13:02:34 < dongs> i think
2013-12-18T13:02:35 < dongs> ie same shit ez-usbfx2 does
2013-12-18T13:02:35 < dongs> or fx3
2013-12-18T13:02:40 < dongs> fx3 is arm9 core + usb3
2013-12-18T13:02:47 < dongs> just use  that
2013-12-18T13:02:47 < dongs> no need for ftdi
2013-12-18T13:02:53 < dongs> the gpif shit in fx3 has been improved too
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2013-12-18T13:06:39 < Thorn> virtual serial port and fast bulk transfers, drivers for windows, linux etc., no need for costom vid/pid
2013-12-18T13:06:46 < Thorn> *custom
2013-12-18T13:07:37 < dongs> you forgot making a new com port on windows each time you plug it in
2013-12-18T13:08:07 < Thorn> my windows remembers com ports as long as serial numbers are programmed
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2013-12-18T13:23:33 < zyp> isn't the point of mpsse that you don't have to write firmware yourself, you just control everything from the host side?
2013-12-18T13:23:48 < zyp> so once you have control over the firmware anyway, mpsse is pointless
2013-12-18T13:28:56 < jpa-> i wish there was a disableable watchdog.. would make sleeping so much easier
2013-12-18T13:33:01 < karlp> there is, don't turn it on in the first place :)
2013-12-18T13:34:17 < jpa-> my software has so many bugs and my hardware has no externally accessible reset :P
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2013-12-18T13:41:31 < karlp> what are you building now?
2013-12-18T13:41:51 < zyp> hrm, the gpio api in the nrf51822 doesn't expose all the features of the gpio block
2013-12-18T13:42:21 < zyp> notably I can't set the drive mode, which means I can't select open drain mode
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2013-12-18T14:59:16 < dongie> hm wtf
2013-12-18T14:59:25 < dongie> >fi
2013-12-18T14:59:26 < dongie> rc=0 FR_OK
2013-12-18T14:59:26 < dongie> >fl
2013-12-18T14:59:26 < dongie> rc=1 FR_NOT_READY
2013-12-18T14:59:28 < dongie> ???
2013-12-18T14:59:31 < dongie> useless fucking fatfs
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--- Log closed Wed Dec 18 15:08:32 2013
--- Log opened Wed Dec 18 15:08:39 2013
2013-12-18T15:08:39 -!- jpa- [jpa@hilla.kapsi.fi] has joined ##stm32
2013-12-18T15:08:39 -!- Irssi: ##stm32: Total of 77 nicks [1 ops, 0 halfops, 0 voices, 76 normal]
2013-12-18T15:09:13 < dongie> is that the rfid one
2013-12-18T15:09:17 < dongie> or someshit
2013-12-18T15:09:21 < zyp> yeah
2013-12-18T15:09:32 < zyp> m24lr is the rfid+i2c eeprom chip
2013-12-18T15:09:44 -!- Irssi: Join to ##stm32 was synced in 71 secs
2013-12-18T15:09:58 < dongie> does bigsize SD need anything different from microsd
2013-12-18T15:10:00 < dongie> connection-wise?
2013-12-18T15:10:00 < dongie> wtf
2013-12-18T15:10:01 < zyp> discovery kit has a tag-board with m24lr+stm8 and a reader board with the cr95hf reader chip and a stm32f1
2013-12-18T15:10:06 < dongie> same code that worked on micro fails on bigsize.
2013-12-18T15:10:32 < zyp> I got the kit for the reader board, have no use for the tag board
2013-12-18T15:11:19 < dongie> but stm8 is awesoaem
2013-12-18T15:11:24 < zyp> so if anyone needs the tag boards, I have a bunch that you can have for the cost of shipping
2013-12-18T15:12:17 < Tectu> <dongie> does bigsize SD need anything different from microsd   no
2013-12-18T15:12:28 < Tectu> there's just no more HW write protection
2013-12-18T15:12:34 < Tectu> but that's a socket switch anyway
2013-12-18T15:15:26 < dongie> oh. fucking trash pfet
2013-12-18T15:15:33 < dongie> card_vcc is 2.4V
2013-12-18T15:15:36 < dongie> wtf
2013-12-18T15:15:48 < dongie> why wouldnt that work?
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2013-12-18T15:19:38 < dongie> i guess maybe it wasnt a logic level pfet or someshit
2013-12-18T15:19:39 < dongie> ugh
2013-12-18T15:20:17 < dongie> >fl
2013-12-18T15:20:18 < dongie> ----A 2013/12/17 02:41    792293  DONGS.PNG
2013-12-18T15:20:19 < dongie> ah yes.
2013-12-18T15:20:20 < dongie> finally.
2013-12-18T15:21:00 < Thorn> DONGS.PNS
2013-12-18T15:22:11 < dongie>  976 File(s), 2014441594 bytes total
2013-12-18T15:22:12 < dongie> nice
2013-12-18T15:23:15 < dongie> 1000000 bytes read with 1031 kB/sec.
2013-12-18T15:26:52 < Thorn> zyp: what are you using that CR95HF with? if it's not the m24lr
2013-12-18T15:29:38 < zyp> I'm using it to read nfc cards
2013-12-18T15:34:01 < dongie> eh, board power consumption goes by 40mA @ 5V
2013-12-18T15:34:03 < dongie> when reading SD
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2013-12-18T15:34:39 < Thorn> 8-channel debug adapter with gigabit ethernet http://i.imgur.com/PVviJQM.png
2013-12-18T15:34:56 < dongie> debug what
2013-12-18T15:35:01 < Thorn> fpgas
2013-12-18T15:35:06 < Thorn> from ##embedded
2013-12-18T15:35:16 < dongie> oh that azonenberg idiot
2013-12-18T15:35:20 < Thorn> (azonenberg of course)
2013-12-18T15:35:21 < dongie> that guy is such a huge troll
2013-12-18T15:35:27 < Thorn> why?
2013-12-18T15:35:32 < dongie> he spews almost as much crap as jeri
2013-12-18T15:35:41 < dongie> all he needs is "I'M A FUCKIN INVENTOR" badge
2013-12-18T15:35:54 < dongie> like honestly waht the fuck is that shit going to be useful for?
2013-12-18T15:36:04 < dongie> or is he just doing that shit for the fuck of doing it
2013-12-18T15:36:11 < Thorn> his setup: http://colossus.cs.rpi.edu/pictures/2013/November/11-1-2013%20-%20desk/DSCF4308.JPG
2013-12-18T15:36:31 < Thorn> I guess 8 channels is like 12 too few lol
2013-12-18T15:36:38 < dongie> doing it wrong
2013-12-18T15:36:45 < dongie> i dont see raspberrypi
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2013-12-18T15:39:22 < Laurenceb> someone needs to remake "what does the fox say"
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2013-12-18T15:39:32 < Laurenceb> to "what does the muslim say"
2013-12-18T15:39:37 < dongie> what does the bsd say
2013-12-18T15:39:55 < Laurenceb> boom boom boom boom boom boom boom boom
2013-12-18T15:40:01 < dongie> ya funny
2013-12-18T15:40:21 < Laurenceb> http://colossus.cs.rpi.edu/pictures/2013/November/11-1-2013%20-%20desk/DSCF4308.JPG
2013-12-18T15:40:27 < Laurenceb> wtf is it supposed to do??
2013-12-18T15:40:46 < Laurenceb> haha "colossus"
2013-12-18T15:41:20 < Laurenceb> rpi is at the bottom?
2013-12-18T15:42:20 < Thorn> >a unit test cluster
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2013-12-18T15:43:04 < Laurenceb> wtf
2013-12-18T15:43:15 < Laurenceb> well it has rpi so it must be good
2013-12-18T15:47:09 < fbs> its a beagleboner
2013-12-18T15:47:23 < Laurenceb> bottom right
2013-12-18T15:48:04 < fbs> oh that thing
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2013-12-18T15:50:03 < fbs> i like my rpi, it does exactly what it should
2013-12-18T15:56:24 < Thorn> can two CR95HF
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2013-12-18T16:01:04 < Thorn> http://www.emcu.it/RFID/CR95HFpre.pdf says "no card emulation or peer-to-peer mode"
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2013-12-18T16:23:15 < dongie> http://www.ebay.co.uk/itm/Soft66RTL-HF-VHF-SDR-including-RTL2832uR820T-/200990774470 LOL
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2013-12-18T16:26:13 < zyp> hmm, reading m0 disassembly is notably different from reading m3/m4 disassembly
2013-12-18T16:28:35 < Laurenceb> far fewer opcodes
2013-12-18T16:30:38 < zyp> yeah, the instructions are simpler
2013-12-18T16:32:46 < Laurenceb> im trying to do interrupt driver usart tx...
2013-12-18T16:33:03 < Laurenceb> so my "send char" routine looks like :
2013-12-18T16:33:18 < Laurenceb> add to buffer; enable txe interrupt;
2013-12-18T16:33:26 < Laurenceb> and the isr looks like:
2013-12-18T16:33:33 < zyp> Thorn, that's correct, no p2p mode yet
2013-12-18T16:33:48 < Laurenceb> if(1 byte remaining)
2013-12-18T16:33:53 < Laurenceb> disable interrupt;
2013-12-18T16:34:07 < Laurenceb> send data;
2013-12-18T16:34:09 < zyp> Thorn, there's a newer generation called STRFNFCA that doesn't seem to be available yet, which will have p2p mode
2013-12-18T16:34:17 < Laurenceb> is this sane or could it lock up somehow?
2013-12-18T16:34:21 < zyp> I'm planning to make a board with it when it becomes available
2013-12-18T16:36:06 < zyp> Laurenceb, why not if(bytes remaining) send data; else disable interrupt; ?
2013-12-18T16:36:21 < dongie> my irq shit is like
2013-12-18T16:37:05 < Laurenceb> zyp: i was trying to avoid an extra interrupt
2013-12-18T16:37:19 < dongie> if (sr & rxne) { readbyte; } if (sr & txe) { if (!emptybuffer) { send } else { txe disable } }
2013-12-18T16:37:20 < Laurenceb> but i guess if the interrupt itself runs faster it will cancel out the savings
2013-12-18T16:37:33 < dongie> sounds pretty basic
2013-12-18T16:37:40 < dongie> cant realyl make much simpler
2013-12-18T16:37:51 < Laurenceb> yeah ok
2013-12-18T16:37:52 < zyp> Laurenceb, well, both cases should work, as long as buffer can't be changed while the ISR is active
2013-12-18T16:38:02 < Laurenceb> yeah i get it
2013-12-18T16:38:13 < dongie> i don't mutex out serial buffer access
2013-12-18T16:38:15 < Laurenceb> i was wondering if there was another lockup condition i hadnt thought of
2013-12-18T16:38:19 < Laurenceb> ok
2013-12-18T16:38:20 < zyp> but then you'd have to special case for zero-length writes
2013-12-18T16:38:23 < dongie> and it seems to work ok
2013-12-18T16:38:34 < Laurenceb> cool
2013-12-18T16:38:54 < zyp> Laurenceb, yeah, it'll lock up if you enable the txe interrupt without actually having data in the buffer
2013-12-18T16:39:12 < Laurenceb> ah true
2013-12-18T16:39:18 < Laurenceb> but my printf wrapper handles that
2013-12-18T16:39:50 < zyp> anyway, both cases should work, but it's safer and more intuitive to disable the interrupt when the buffer is empty
2013-12-18T16:40:23 < zyp> and if you're concerned about performance, you'd use dma anyway
2013-12-18T16:40:29 < dongie> zyp
2013-12-18T16:40:33 < dongie> tel lme waht to do with your shit
2013-12-18T16:40:35 < dongie> its all sitting here
2013-12-18T16:40:42 < dongie> couple stacks of boards and connectors.
2013-12-18T16:40:46 < zyp> you didn't send it yet?
2013-12-18T16:40:56 < dongie> no, i asked you like 3 times and never got a reply
2013-12-18T16:40:57 < dongie> lo
2013-12-18T16:41:17 < zyp> oh, I haven't seen you asking
2013-12-18T16:41:24 < dongie> hokay. so its in the post tomrorow
2013-12-18T16:41:42 < zyp> how many boards are there?
2013-12-18T16:42:18 < dongie> looks like 24 total between stacks
2013-12-18T16:42:23 < dongie> and 15 connectors
2013-12-18T16:42:26 < zyp> ah, ok
2013-12-18T16:43:01 < zyp> well, at this point it won't arrive until I've went on christmas vacation anyway, so there's no immediate hurry, just send it when you have time
2013-12-18T16:43:09 < dongie> ok.
2013-12-18T16:43:18 < dongie> maybe ill just airmail it in that case
2013-12-18T16:43:30 < dongie> then youll get it in a couple weeks or whatnot
2013-12-18T16:43:46 < dongie> anyhow bedtime
2013-12-18T16:43:49 < zyp> ok
2013-12-18T16:44:07 < dongie> it should be going to work addr?
2013-12-18T16:44:08 < dongie> or usual
2013-12-18T16:44:12 < zyp> work
2013-12-18T16:44:14 < dongie> kk
2013-12-18T16:44:26 < zyp> hmm, not sure that addr is appropriate for airmail
2013-12-18T16:44:56 < dongie> ems is probly just as cheap
2013-12-18T16:44:59 < dongie> these are light
2013-12-18T16:45:08 < zyp> just do that then
2013-12-18T16:45:11 < dongie> ill figure it out
2013-12-18T16:45:12 < dongie> yep
2013-12-18T16:45:19 < zyp> thanks
2013-12-18T16:45:24 < dongie> gone
2013-12-18T16:52:59 < Laurenceb> heh ems
2013-12-18T16:53:14 < Laurenceb> they always manage to lose stuff
2013-12-18T16:56:06 < Laurenceb> http://www.st.com/st-web-ui/active/en/errors/page_not_found?url=/st-web-ui//active/en/errors/page_not_found
2013-12-18T16:56:26 < Laurenceb> yo dawg
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2013-12-18T17:16:24 < Laurenceb> http://uk.rs-online.com/web/p/3d-printers/7952333/
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2013-12-18T19:07:16 < jpa-> who is stealing 5mA from my circuit :(
2013-12-18T19:07:55 < emeb> dark energy
2013-12-18T19:10:28 < jpa-> and how am i going to debug this :F
2013-12-18T19:11:08 < emeb> what's your circuit?
2013-12-18T19:12:20 < jpa-> pretty basic stm32l1 circuit.. i've quite much eliminated anything except the processor itself
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2013-12-18T19:14:04 < emeb> 5ma even w/ everything asleep?
2013-12-18T19:15:21 < jpa-> yes.. and about 5mA higher than datasheet values when running
2013-12-18T19:15:32 < jpa-> not sure what the current should be under reset, but it is 6mA for me
2013-12-18T19:16:30 < emeb> weird
2013-12-18T19:17:05 < jpa-> probably some peripheral.. though seems quite high for even that
2013-12-18T19:17:34 < emeb> how could it be a periph if it's reset?
2013-12-18T19:17:47 < zyp> reset is not sleep, so I would imagine that current under reset is comparable to current during wfi under default conditions (out of reset)
2013-12-18T19:18:28 < emeb> but shouldn't all periphs be unclocked @ reset?
2013-12-18T19:18:35 < zyp> yeah
2013-12-18T19:19:03 < jpa-> yeah, but i cannot say if 6mA reset current is normal or not
2013-12-18T19:19:03 < Steffanx> doglight not using 2uA like it says in the code jpa-?
2013-12-18T19:19:06 < Steffanx> your code is buggy.
2013-12-18T19:19:10 < jpa-> Steffanx: doglight works fine
2013-12-18T19:19:14 < Steffanx> oh ok :P
2013-12-18T19:19:17 < jpa-> but sadly i do not have it for comparison now
2013-12-18T19:19:28 < jpa-> it's already in a dog's collar :P
2013-12-18T19:19:36 < zyp> tried the discovery board?
2013-12-18T19:20:46 < jpa-> i don't have l1 discovery here
2013-12-18T19:21:48 < zyp> I'm sure somebody here have it available
2013-12-18T19:22:41 < PaulFertser> Our custom L152 board was about 1.5uA in deep sleep.
2013-12-18T19:22:56 < Thorn> zyp: http://www.ti.com/product/trf7970a?qgpn=trf7970a has both card emulation & p2p mode, but I'm not sure how compatible it is with different kinds of tags etc. everybody seems to be using different jargon
2013-12-18T19:23:25 < zyp> Thorn, I tried trf7960a first before switching to cr95hf, didn't like it
2013-12-18T19:24:49 < zyp> I didn't get it to work properly in all the modes I wanted to use, and it was kinda a hassle to use even when it worked
2013-12-18T19:25:18 < zyp> the TI chipsets have a register-like interface, while the cr95hf have a command interface
2013-12-18T19:26:02 < zyp> so instead of writing to three different registers or so to put it into a mode and sending a packet, it's all done as a single command
2013-12-18T19:26:38 < karlp> 6mA is way high for l1, I had it down to a mA without trying very hard, on the disco board
2013-12-18T19:26:50 < Steffanx> jpa-, what's the best state for the gpios to be in for the lowest power consumption. ST uses the analog in mode, no pushpull.
2013-12-18T19:27:13 < karlp> it's mentioned in one of the datahseets/refmans isn' ti
2013-12-18T19:27:45 < Thorn> I see, thanks for the info
2013-12-18T19:28:31 < zyp> Thorn, if you want another opinion you can ask titanmkd the next time he's around, he seems to like the trf7970a a lot :p
2013-12-18T19:29:30 < zyp> and I don't know what you're planning to do with it
2013-12-18T19:30:17 < jpa-> Steffanx: dunno, haven't optimized that deep; i just use whatever is appropriate for the application and get down to a few µA easily
2013-12-18T19:30:45 < Thorn> I don't really know that myself lol
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2013-12-18T19:53:18 < jpa-> errrrr.. now i feel stupid
2013-12-18T19:53:41 < jpa-> it was my current measurement thingy winky that was drawing the 5mA for its opamp
2013-12-18T19:55:03 < jpa-> i use it to get average current readings.. but now i was also interested in immediate current reading, so i had a multimeter in series
2013-12-18T19:55:20 < jpa-> .. and of course i forgot that the thingy needs some current itself and hooked the multimeter before it
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2013-12-18T20:01:20 < karlp> time to get a uCurrent GOOOOOOLLLLLD then
2013-12-18T20:01:42 < jpa-> does it do averaging?
2013-12-18T20:01:43 < englishman> ^^^
2013-12-18T20:01:54 < jpa-> just for the record: stm32l1 reset current is 1.8 mA :P
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2013-12-18T20:05:59 < Laurenceb> interesting
2013-12-18T20:06:09 < Laurenceb> i seem to have found a bug in the RN-42 module
2013-12-18T20:06:46 < Laurenceb> it seems to dump its rx buffer sometimes when it gets lots of in/out traffic
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2013-12-18T22:06:03 < Laurenceb> oh lolz
2013-12-18T22:06:15 < Laurenceb> im exceeding bluetooth capacity
2013-12-18T22:06:25 < Laurenceb> buffer overflow on the rn-42 XD
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2013-12-18T22:09:00 < kuldeepdhaka> im trying to reading the program from flash(just for fun :) ) in stm32f4 using the dfu mode (boot0->VDD) but when i do $sudo dfutool -d 0483:df11 archive ./dfu-fw.bin   it returns "Can't find any DFU devices" why? do i need to get uC dependent util?
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2013-12-18T22:15:31 < Laurenceb> http://blogs.gnome.org/desrt/2012/04/29/arduino-remote-programming-with-the-bluetooth-mate-rn-42/
2013-12-18T22:15:36 < Laurenceb> i blame microchip
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2013-12-18T22:22:47 < jpa-> Steffanx: to answer your question: analog is the best state, if you cannot pullup/pulldown
2013-12-18T22:23:06 < jpa-> had 200µA leaking through inputs that were floating
2013-12-18T22:24:16 < Steffanx> yeah, its what i did. but i didnt trust my measurements :P
2013-12-18T22:24:26 < Steffanx> i still have to get myself a new decent dmm
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2013-12-18T22:29:58 < MatthieuG> HI !
2013-12-18T22:30:06 < MatthieuG>  
2013-12-18T22:31:19 < MatthieuG> Some body has already try to jump to bootloader on system memory ? Like here http://www.youtube.com/watch?v=cvKC-4tCRgw
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2013-12-18T23:35:40 < karlp> try? there is no try, do or do not!
2013-12-18T23:36:38 < MatthieuG> HI ! I try tro call in chip bootloader from my application, when I jump to bootloader address, the stm32 restart. What I'm doing wrong ?
2013-12-18T23:37:48 < MatthieuG> I follow this procedure http://www.youtube.com/watch?v=cvKC-4tCRgw
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2013-12-18T23:45:55 < zyp> MatthieuG, it's hard to say what you are doing wrong, when you haven't said what you are doing
2013-12-18T23:46:23 < zyp> I suggest pastebinning your code so we can take a look at it
2013-12-18T23:47:56 < MatthieuG> My code here
2013-12-18T23:47:57 < MatthieuG> http://pastebin.com/ii56SS0G
2013-12-18T23:51:01 < zyp> wat
2013-12-18T23:51:16 < zyp> I'm having troubles making sense of that :)
2013-12-18T23:51:27 < karlp> yo dawg, we heard you liked voids
2013-12-18T23:53:52 < zyp> MatthieuG, can you explain to me what the deadbeef-value is for?
2013-12-18T23:54:49 < MatthieuG> Ignore this value, It was for testing another functionnality, I erased this line
2013-12-18T23:55:05 < MatthieuG> I'm going to write a cleaner version
2013-12-18T23:55:10 < MatthieuG> 2 minutes please
2013-12-18T23:55:40 < Thorn> __set_MSP(*(volatile unsigned int *)BOOTLOADER_ADDR);  <-- set stack pointer to 0x1fff0000 or whatever it is?
2013-12-18T23:56:11 < zyp> MatthieuG, http://cgit.jvnv.net/arcin/tree/bootloader.cpp <- take a look at the chainloader/normal_boot stuff in this
2013-12-18T23:57:09 < zyp> that's pretty much what you want to do, except you want to use it for jumping to bootloader from normal code, while I use it to jump to normal code from bootloader
2013-12-18T23:59:21 < MatthieuG> Here a cleaner version of my code http://pastebin.com/EstsQXGY
--- Day changed Thu Dec 19 2013
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2013-12-19T00:02:09 < MatthieuG> What is the advantage to use assembly code for the chainload function ?
2013-12-19T00:02:35 < zyp> are you sure 0x1fff0000 is correct? which chip variant are you using?
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2013-12-19T00:04:11 < zyp> on f103 it's apparently at 0x1fffe000, on f303 it's apparently at 0x1fffd800
2013-12-19T00:04:44 < zyp> no, 0x1ffff000 on f103
2013-12-19T00:05:08 < zyp> lots of different addrs between variants, apparently
2013-12-19T00:06:30 < zyp> the advantage of using assembly is that I'm certain that the compiler doesn't try doing anything that assumes that the stack pointer is unchanged after I changed it
2013-12-19T00:07:38 < MatthieuG> ok
2013-12-19T00:07:52 < MatthieuG> I'm using an f205
2013-12-19T00:08:32 < zyp> ah, ok, then it's correct
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2013-12-19T01:18:40 < karlp> heh, worked out why my sample blog code wasn't working with SWO,
2013-12-19T01:19:01 < karlp> was expecting to get sync frames, but they are tied to the cycle counter,
2013-12-19T01:19:11 < karlp> work code was already using cycle counter, so it was on,
2013-12-19T01:19:18 < dongs> oh?
2013-12-19T01:19:20 < karlp> minimal demo code hadn't turned it on.
2013-12-19T01:19:24 < dongs> swo doesnt work if you enable cycle counter?
2013-12-19T01:19:40 < karlp> no, swo with sycn frames enabled doesn't emit sync frames if the cycle counter isn't enabled
2013-12-19T01:19:50 < dongs> ah
2013-12-19T01:20:04 < karlp> and my swo decoder was scannign the swo dump looking fo rthe sync frame and never finding it
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2013-12-19T01:53:50 < karlp> right, part 2: http://false.ekta.is/2013/12/using-swoswv-streaming-data-with-stlink-under-linux-part-2/
2013-12-19T01:54:04 < karlp> now to work on the example apps for something more complicated
2013-12-19T01:54:17 < dongs> .py
2013-12-19T01:54:19 < dongs> stopped reading there
2013-12-19T01:54:22 < karlp> you betcha
2013-12-19T01:54:29 < karlp> that's ok, probably best you didn't read any further :)
2013-12-19T01:54:48 < dongs> i shoulda stopped reading at openocd acttually
2013-12-19T01:54:53 < dongs> surprised i got to .py
2013-12-19T01:54:57 < dongs> :)
2013-12-19T01:55:05 < karlp> you did get further than I thought you would :)
2013-12-19T01:55:18 < karlp> openocd is only mentioned so I can say it failz,
2013-12-19T01:55:46 < karlp> damnit, improper proofreading strikes again
2013-12-19T01:56:08 < Thorn> visual basic.net ftw
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2013-12-19T11:12:01 < karlp> well, that really shut them up thorn :)
2013-12-19T11:12:38 < Thorn> lol
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2013-12-19T11:40:22 < dongs> haha
2013-12-19T11:40:28 < dongs> deadchats dot net
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2013-12-19T11:55:45 < dongs> http://cdn2.spiegel.de/images/image-581879-galleryV9-kbbc.jpg
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2013-12-19T12:42:42 < dongs> oh shit
2013-12-19T12:42:44 < dongs> altium 14.1 is out
2013-12-19T13:01:01 < fbs> oh snap
2013-12-19T13:01:06 < fbs> i just switched to 13
2013-12-19T13:01:36 < dongs> yea
2013-12-19T13:06:29 < fbs> dont see you in ##altiumdesigner
2013-12-19T13:07:20 < dongs> i only troll nondead channels
2013-12-19T13:07:41 < fbs> its not dead, just no activity in the past 2 weeks
2013-12-19T13:07:51 < dongs> 14.1.5 is out dec 3rd or so
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2013-12-19T13:49:40 < jpa-> http://kapsi.fi/~jpa/stuff/pix/uunimittari.jpg   almost ready :)
2013-12-19T13:50:10 < fbs> nice
2013-12-19T13:50:18 < fbs> how big is it?
2013-12-19T13:51:37 < jpa-> 18x12 cm
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2013-12-19T13:56:56 < jpa-> looks like the panel price has dropped to 23 EUR.. not bad
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2013-12-19T14:14:11 < karlp> cool
2013-12-19T14:15:50 < jpa-> now just needs a lot of testing to uncover all software bugs :P
2013-12-19T14:16:04 < karlp> nah, just turn on the watchdog and let it reboot all the time right?
2013-12-19T14:16:21 < dongs> sup dongs
2013-12-19T14:16:48 < jpa-> well the watchdog is already enabled yeah; it shouldn't crash too hard, but it might still be buggy enough to make it unusable :P
2013-12-19T14:16:52 < dongs> is that your e-book shit
2013-12-19T14:17:00 < Laurenceb> status: writing c+= compiler for stm32
2013-12-19T14:17:19 < jpa-> dongs: nothing to do with books, but otherwise yeah
2013-12-19T14:17:28 < dongie> er e-dink
2013-12-19T14:17:41 < jpa-> e-something
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2013-12-19T14:19:13 < Laurenceb> c+= pwns c#
2013-12-19T14:19:53 < Steffanx> What's c+=?
2013-12-19T14:20:08 < dongie> some dumb internet joek
2013-12-19T14:20:16 < jpa-> stupid satire about feminist movement, or something
2013-12-19T14:20:29 < Steffanx> oh, i know enough.
2013-12-19T14:21:03 < Laurenceb> "a project by /g/"
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2013-12-19T14:22:58 < Steffanx> I guess i didn't know what c+= was because i dont know what /g/ is :P
2013-12-19T14:23:13 < Steffanx> I guess i have to update my internet skilz
2013-12-19T14:23:27 < Laurenceb> the twin of /b/
2013-12-19T14:23:34 < Steffanx> ( and less guessing would be nice too )
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2013-12-19T15:12:00 < dongie> oo
2013-12-19T15:12:10 < dongie> some action on dicktrace bugtracker
2013-12-19T15:12:15 < dongie> are tehy gonna do a surprise xmas release??
2013-12-19T15:12:51 < dongie> woot!
2013-12-19T15:12:58 < dongie> they fixed changing sides for grouped components
2013-12-19T15:13:07 < dongie> no longer rottes each one in a group making it useless
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2013-12-19T15:37:10 < karlp> heh, rockchip makes a cortex-m3 as well: http://www.rock-chips.com/a/en/products/RK_Nano_Series/2013/0730/333.html
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2013-12-19T15:39:28 < dongie> orly?
2013-12-19T15:39:56 < karlp> yeah, with mp3 hw decoder built in
2013-12-19T15:40:03 < dongie> wwwwwwwwao
2013-12-19T15:40:09 < dongie> where datasheet???
2013-12-19T15:40:15 < dongie> that logo
2013-12-19T15:40:17 < dongie> looks liek ripoff of intel
2013-12-19T15:40:28 < dongie> http://upload.wikimedia.org/wikipedia/en/a/a0/Intel_i5_logo.png
2013-12-19T15:40:58 < karlp> fucking google urls
2013-12-19T15:41:19 < karlp> http://www.rockbox.org/wiki/pub/Main/RockChipNanoB/Rockchip_RKnano-C_Audio_Processor_2011-10.pdf
2013-12-19T15:41:25 < karlp> that's a databrief, not the full sheets
2013-12-19T15:41:36 < karlp> wasn't actually looking for it, was looking at other rockchip parts
2013-12-19T15:41:58 < dongie> USB HS!!
2013-12-19T15:41:59 < dongie> ??!
2013-12-19T15:42:13 < karlp> target market: mp3 players  _> deader than bsd?
2013-12-19T15:42:26 < dongie> has no on-chip flash?
2013-12-19T15:42:29 < dongie> boots from nand
2013-12-19T15:42:30 < dongie> wtf
2013-12-19T15:42:35 < dongie> so cool
2013-12-19T15:42:36 < dongie> must get
2013-12-19T15:42:38 < karlp> no, lots of ram, and external nand interface
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2013-12-19T15:43:00 < zyp> wow
2013-12-19T15:43:03 < zyp> so rockchip
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2013-12-19T15:43:30 < dongie> wow lqfp64
2013-12-19T15:43:33 < dongie> it decodese acc!
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2013-12-19T15:43:35 < dongie> aac
2013-12-19T15:43:40 < zyp> much decode
2013-12-19T15:43:46 < karlp> so rock
2013-12-19T15:44:06 < dongie> built in charger
2013-12-19T15:44:08 < dongie> and DC/DC
2013-12-19T15:44:11 < dongie> woah
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2013-12-19T15:46:08 < dongie> ftp://relay.alkotel.ru/service/MP3/T-50/Diagrams/teXet_T-50_Electric_diagrams.pdf
2013-12-19T15:46:27 < Thorn> >MLC NAND
2013-12-19T15:46:36 < Thorn> first cortex with MLC support?
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2013-12-19T15:56:51 < Laurenceb> wtf
2013-12-19T15:56:55 < Laurenceb> why cant i use goto??
2013-12-19T15:57:09 < Laurenceb>  error: expected identifier or '*' before 'default'
2013-12-19T15:57:14 < Laurenceb> from "goto default"
2013-12-19T15:57:48 < karlp> need more {} when you're tyring this inside switches and shit
2013-12-19T15:58:04 < zyp> maybe because default is a reserved keyword?
2013-12-19T15:58:18 < karlp> oh yeah, or that :)
2013-12-19T15:58:23 < zyp> I mean
2013-12-19T15:58:25 < zyp> goto if;
2013-12-19T15:58:38 < dongie> goto dongs
2013-12-19T15:58:44 < zyp> goto bed
2013-12-19T15:59:19 < dongie> yep
2013-12-19T15:59:20 < dongie> good idea
2013-12-19T15:59:22 < dongie> soon
2013-12-19T15:59:22 < Laurenceb> ah i see
2013-12-19T15:59:31 < Laurenceb> yeah i needed a new label
2013-12-19T15:59:33 < Laurenceb> thanks
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2013-12-19T16:01:02 < karlp> jpa-: that schematic dong just linked as the same button decoding via adc that you did :)
2013-12-19T16:01:47 < jpa-> heh, indeed :)
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2013-12-19T16:02:10 < jpa-> though with a funny resistor chain
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2013-12-19T16:07:41 < jpa-> my driving method seems to cause some problems with polarization.. after a period of use, i can see some ghosting when i turn the device off and let it sit for a moment
2013-12-19T16:08:28 < jpa-> nothing dramatic though; if i had more ram or a better graphics library, i could draw in reverse to balance it
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2013-12-19T16:25:17 < dongie> successfully arr'd latest atlium
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2013-12-19T16:31:48 < zyp> http://mbed.org/blog/entry/STM32-support-is-coming-in-mbed/
2013-12-19T16:36:12 < karlp> 27 minutes!
2013-12-19T16:36:16 < karlp> we're on top of the news here!
2013-12-19T16:37:04 < dongie> now if matchcocksarm would ship
2013-12-19T16:37:10 < dongie> they could use mbed bootloader officially
2013-12-19T16:37:13 < dongie> instead of hacking it
2013-12-19T16:37:37 < dongie> http://www.kickstarter.com/projects/1883701526/matchboxarm/comments
2013-12-19T16:37:37 < dongie> lol
2013-12-19T16:40:57 < dongie> oh, right, bed
2013-12-19T16:40:57 < dongie> k
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2013-12-19T18:00:59 < Laurenceb> http://www.nottingham.ac.uk/estates/security/security.aspx
2013-12-19T18:01:03 < Laurenceb> i lolled
2013-12-19T18:01:17 < Steffanx> no you didnt't
2013-12-19T18:01:53 < Laurenceb> http://www.nottingham.ac.uk/Estates/Images-Multimedia/WebImages/SecurityOfficers.jpg
2013-12-19T18:02:14 < Laurenceb> guy at left ate all the pies
2013-12-19T18:03:56 < Steffanx> and now you're sad?
2013-12-19T18:05:09 < Steffanx> this will make you happy again Laurenceb: http://kotaku.com/motion-controlled-anime-boobs-exist-sigh-1484803234
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2013-12-19T19:13:22 < Laurenceb> http://www.youtube.com/watch?feature=player_detailpage&v=7dV0WDiu9Cw#t=14
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2013-12-19T19:31:56 < gnomad> that's really nothing special as CNC videos go...
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2013-12-20T01:33:50 < Thorn> anybody used Keil RTX? (a CMSIS-RTOS implementation under a BSD license(!))
2013-12-20T01:34:40 < dongs> bill did
2013-12-20T01:34:43 < dongs> i was gonna look at it
2013-12-20T01:34:44 < dongs> why
2013-12-20T01:34:49 < dongs> its just a RTOS, it works.
2013-12-20T01:34:53 < dongs> and yes, sores is free as in aids
2013-12-20T01:35:39 < Thorn> good c++ api with templates, seems to support gcc
2013-12-20T01:43:24 < Thorn> http://mbed.org/handbook/RTOS <- "based on the RTX implementation of the CMSIS-RTOS API"
2013-12-20T01:43:43 < Thorn> code examples are fucked up, &lt; &gt;
2013-12-20T01:57:13 < dongs> neat, but C++
2013-12-20T01:57:18 < dongs> im sure only of interest to zyp
2013-12-20T02:02:23 < Steffanx> zyp has his own stuff..
2013-12-20T02:02:29 < Steffanx> he's a maker
2013-12-20T02:02:37 < Steffanx> oh no.
2013-12-20T02:06:15 < zyp> heh
2013-12-20T02:06:38 < zyp> I'm pretty happy with doing it myself
2013-12-20T02:07:43 < zyp> I've been using the nrf framework for the nrf51822 lately, since it's a work project
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2013-12-20T02:08:12 < zyp> and I wish I didn't :)
2013-12-20T02:09:00 < zyp> the other day I was annoyed over missing configuration options for GPIO - what good is an API that doesn't expose the options that you want to use
2013-12-20T02:09:34 < zyp> and then stuff is being dumb
2013-12-20T02:10:22 < zyp> they have some code that goes like enum {BLAH_PORT_DIR_INPUT, BLAH_PORT_DIR_OUTPUT}; enum {BLAH_PIN_DIR_OUTPUT, BLAH_PIN_DIR_INPUT};
2013-12-20T02:10:44 < zyp> and I didn't notice the difference between PIN and PORT, so I used the wrong one
2013-12-20T02:10:56 < Steffanx> Is all the radio stuff of the nrf51822 "closed"
2013-12-20T02:11:00 < Steffanx> ?
2013-12-20T02:11:00 < zyp> which caused no warning, but since the order is reversed, the behavior also got reversed
2013-12-20T02:11:12 < zyp> the radio itself is documented
2013-12-20T02:11:28 < zyp> but the btle stack is distributed as a binary
2013-12-20T02:11:49 < zyp> when I have time I'm gonna port laks to it and do my own radio stuff
2013-12-20T02:11:57 < Steffanx> oh, so one can write a stack for it.
2013-12-20T02:12:00 < zyp> doesn't have to be btle, it can do any generic 2.4G
2013-12-20T02:12:09 < zyp> or I could do my own btle
2013-12-20T02:12:30 < Steffanx> i thought they didn't release the documentation
2013-12-20T02:12:39 < zyp> they do, nrf is nice that way
2013-12-20T02:12:58 < zyp> so anyway, yesterday I was annoyed by the GPIO API
2013-12-20T02:13:14 < zyp> today I was annoyed by the lack of an API at all to do input capture with the timers
2013-12-20T02:17:07 < Steffanx> annoyed because you actually had to do things yourself? ;)
2013-12-20T02:17:43 < emeb> just no pleasing some people
2013-12-20T02:17:53 < zyp> Steffanx, no, I didn't do it
2013-12-20T02:18:40 < Steffanx> nordic datasheets are weird. At least I don't like the style of the tables.
2013-12-20T02:19:02 < zyp> one of the other developers were asking me how to time stuff, so I told her to use input capture instead of timing it in software
2013-12-20T02:19:48 < zyp> and then I were going to tell her what to call to set it up, and there simply weren't a function for it
2013-12-20T02:20:56 < Laurenceb_> zyp: do you know much about bluetooth?
2013-12-20T02:21:09 < zyp> no
2013-12-20T02:21:10 < Laurenceb_> is it sane that i might see <100kbps throughput
2013-12-20T02:21:14 < Laurenceb_> oh nvm then
2013-12-20T02:21:26 < ds2> what bluetooth?
2013-12-20T02:21:31 < ds2> 2.0?
2013-12-20T02:21:33 < ds2> EDR?
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2013-12-20T02:21:36 < ds2> LE?
2013-12-20T02:21:40 < Laurenceb_> 2.0 EDR
2013-12-20T02:21:42 < Laurenceb_> i think
2013-12-20T02:21:49 < Laurenceb_> its an roving networks RN-42
2013-12-20T02:21:52 < ds2> do both ends understand EDR?
2013-12-20T02:21:55 < ds2> and what profile?
2013-12-20T02:21:58 < Laurenceb_> i dont know
2013-12-20T02:22:00 < zyp> I've read through the btle spec to get a feeling of how stuff goes together, but btle is pretty different from classic bluetooth
2013-12-20T02:22:03 < Laurenceb_> its connecting to windows
2013-12-20T02:22:11 < Laurenceb_> rfcomm
2013-12-20T02:22:15 < ds2> <100K is very plausible with certain combinations
2013-12-20T02:22:19 < Laurenceb_> i see
2013-12-20T02:22:26 < ds2> esp. if one end don't do EDR
2013-12-20T02:22:39 < ds2> Kbit or Kbyte?
2013-12-20T02:22:43 < Laurenceb_> if i try to send a few tens of kB at 115200 bud the RN-42 sometimes hangs
2013-12-20T02:22:46 < Laurenceb_> bytes
2013-12-20T02:22:51 < Laurenceb_> *baud
2013-12-20T02:23:09 < Laurenceb_> well - hangs for a while then seems to reset, prob watchdog
2013-12-20T02:23:32 < Laurenceb_> its running in a lab with lots of wifi running - i guess that might effect it
2013-12-20T02:24:13 < ds2> no EDR gives a paper rate of 721Kbit/s
2013-12-20T02:24:20 < Laurenceb_> i see
2013-12-20T02:24:55 < ds2> add in the various overheads, 100 or less is plausible
2013-12-20T02:25:08 < Laurenceb_> interesting
2013-12-20T02:25:26 < zyp> and that's a maximum assuming no loss, I guess
2013-12-20T02:25:34 < Laurenceb_> ok
2013-12-20T02:25:57 < Laurenceb_> the range seems fine, but i know for a fact theres lots of wifi running on 2.4Ghz
2013-12-20T02:26:16 < ds2> how filled is the 2.4GHz ISM band there?
2013-12-20T02:26:22 < ds2> got a spec an?
2013-12-20T02:26:23 < Laurenceb_> the wifi is quite congested in the building
2013-12-20T02:26:27 < Laurenceb_> no :-/
2013-12-20T02:26:31 < Laurenceb_> i could try tomorrow
2013-12-20T02:26:45 < ds2> what kind of range are you seeing?
2013-12-20T02:26:48 < Laurenceb_> but people have been having wifi congestion issues
2013-12-20T02:26:55 < Laurenceb_> 30m between floors with class 2
2013-12-20T02:27:28 < ds2> does the device itself have wifi too?
2013-12-20T02:29:07 < Laurenceb_> the laptop does, but its using ethernet
2013-12-20T02:29:48 < Laurenceb_> the connection is reliable with data exchange at ~70kbit/s
2013-12-20T02:30:06 < Laurenceb_> but when i try to do a file exchange its sometimes hangs or drops the connection
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2013-12-20T02:49:54 < dongs> butts
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2013-12-20T02:59:29  * Laurenceb_ zzz
2013-12-20T03:00:13 < Steffanx> too early Laurenceb_
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2013-12-20T04:06:09 < Thorn> direct link to rtx http://www.keil.com/fid/vvs6u5wtdy9j1wgr5211kd2qhm39pb19gb0pd1/files/eval/cmsis_rtos_rtx_v4p70.zip
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2013-12-20T04:21:09 < Thorn> so the c++ interface was invented by the mbed people, it's not part of rtx
2013-12-20T04:23:10 < dongs> right
2013-12-20T04:23:16 < dongs> you shoulda known that
2013-12-20T04:31:05 < akiselev> are there any examples for using TIMER triggered DMA to write to GPIO from a buffer? Im currently getting a transfer or two to the GPIO ODR register (DMA2, mem to peripheral) but then the STM32F407ZE crashes entirely
2013-12-20T04:35:56 < dongs> i made sometrhing like that for F1
2013-12-20T04:36:03 < dongs> it was just straightforward
2013-12-20T04:36:09 < dongs> are you sure you don't have peripheralinc set?
2013-12-20T04:38:21 < dongs> if you peripheralinc and it goes into some other peripheral address space shit'll probly crash
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2013-12-20T04:47:39 < akiselev> No, peripheral does not increment
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2013-12-20T04:49:09 < dongs> hm
2013-12-20T04:49:13 < dongs> does memory?
2013-12-20T04:49:25 < dongs> did  you set dma counter as byte/words/etc
2013-12-20T05:02:50 < akiselev> Nevermind seem to have found it. The GPIO out was in PushPull and when I raised all pins high the MCU would reset
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2013-12-20T05:06:37 < dongs> oh
2013-12-20T05:06:45 < dongs> was it same GPIO with jtag on it? :)
2013-12-20T05:15:38 < akiselev> No, only Traced
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2013-12-20T05:17:00 < dongs> on F1 you can set all gpios to AIN but doing same on F4 actually disables swd/jtag
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2013-12-20T05:17:08 < dongs> so you have to skip those pins
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2013-12-20T08:26:21 < emeb_mac> ragin'
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2013-12-20T08:32:33 < emeb_mac> working on an RF front-end for the SDR project
2013-12-20T08:32:48 < emeb_mac> HF / VHF / UHF
2013-12-20T08:33:08 < emeb_mac> nothing physical yet though - still working the layout
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2013-12-20T08:37:01 < ds2> is it switched or is that a single continous coverage?
2013-12-20T08:41:11 < emeb_mac> HF (1-35) is one band
2013-12-20T08:41:25 < emeb_mac> VHF/UHF (45 - 500) is another
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2013-12-20T09:27:34 < dongs> sup twittersphere
2013-12-20T09:27:49 < dongs> todays quick tweet to pcb house http://i.imgur.com/wx4Tu1a.png
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2013-12-20T10:17:51 < Robint91> http://www.st.com/web/en/press/t3505
2013-12-20T10:17:52 < Robint91> wut
2013-12-20T10:19:03 < dongs> INTERBUTT OF THINGS
2013-12-20T10:19:38 < Robint91> R2COM, boards send out
2013-12-20T10:19:48 < Robint91> R2COM, Hoping to test after the holidays
2013-12-20T10:20:38 < Robint91> :p
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2013-12-20T11:02:07 < Thorn> do you actually need all those debugging information sections in a linker script? http://stackoverflow.com/questions/8963642/advice-on-linker-script-creation-and-verification
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2013-12-20T11:02:25 < Thorn> I don't have any in mine and the .elf still contains debug info so why bother
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2013-12-20T11:26:12 < madist> dongs: http://www.liveleak.com/view?i=85a_1387346964
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2013-12-20T12:07:15 < karlp> anyone used rewind / step in reverse with gdb? something like this? https://www.youtube.com/watch?v=CHKm-i0yyOA
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2013-12-20T12:29:53 < dongs> cant you just set IP to wahtever
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2013-12-20T13:25:20 < dongs> lack of twittering
2013-12-20T13:36:45 < Laurenceb> then go to twitter
2013-12-20T13:37:06 < Laurenceb> i hate that word
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2013-12-20T13:58:26 < madist> twitter
2013-12-20T13:58:26 < madist> twitter
2013-12-20T13:58:27 < madist> twitter
2013-12-20T13:58:27 < madist> twitter
2013-12-20T13:58:47 < Steffanx> retweeting: twitter
2013-12-20T13:58:55 < Steffanx>  @ Laurenceb
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2013-12-20T14:01:51 < Viper168_> brb I need to go take a twitter
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2013-12-20T14:06:20 < zyp> Steffanx, hey, what do you call «kabelsko» in .nl? do you have a similar term? :p
2013-12-20T14:06:44 < Steffanx> Uhm? My norwegian is rusty..
2013-12-20T14:07:33 < zyp> literally «cable shoes»
2013-12-20T14:07:52 < zyp> i.e. spade/blade connectors and stuff like that
2013-12-20T14:09:06 < Steffanx> I never use those, but it seems we also call those cable shoes, so "kabelschoentjes"
2013-12-20T14:09:46 < Steffanx> or just "kabelschoen"
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2013-12-20T14:19:55 < Steffanx> karlp, what version of openocd you use? In your(??) libopencm3 examples you seem to use "stm32l1x mass_erase 0" .. stm32l1x is some unknown command in 0.7.0.
2013-12-20T14:20:11 < Steffanx> *in the makefile that is.
2013-12-20T14:21:16 < Steffanx> not that i really need this, but was just wondering.
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2013-12-20T15:07:54 < Thorn> ordered STM32F429I-DISCO, STM32L152C-DISCO and STM32F401C-DISCO from farnell. let's see what they have to say about export restrictions
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2013-12-20T15:30:58 < karlp> Steffanx: recentish git? there were stm32l fixes for flash erasing and stuff,
2013-12-20T15:31:07 < karlp> what example and makefile?
2013-12-20T15:42:33 < Steffanx> l1 examples karlp
2013-12-20T15:43:15 < karlp> oh right, that bit,
2013-12-20T15:43:27 < karlp> yeah, that line is probably from 0.6 or something era,
2013-12-20T15:43:38 < karlp> what does it need to be now with 0.7?
2013-12-20T15:44:19 < Steffanx> I don't know, im not that into openocd.
2013-12-20T15:44:28 < karlp> hm, my local stub just does init, reset init flash write_image erase blah.elf
2013-12-20T15:46:20 < zyp> does openocd read elf now?
2013-12-20T15:46:27 < karlp> works for me at least
2013-12-20T15:46:38 < karlp> with a somewhat recent git release
2013-12-20T15:46:41 < karlp> no idea when it went in
2013-12-20T15:46:41 < zyp> nice
2013-12-20T15:47:08 < zyp> I dislike dicking around with .bin and .hex files when the tools can just read proper .elf files
2013-12-20T15:47:23 < karlp> yeah, me too
2013-12-20T15:47:59 < zyp> so all the scripts and stuff I have for generating bootloader images and similar are using pyelftools to read elfs directly
2013-12-20T15:49:45 < karlp> Steffanx: if http://paste.fedoraproject.org/63523/38754736/ works for you, I'll see about merging it,
2013-12-20T15:50:00 < karlp> that whole section of flash support bits is a bit ugly and unmained
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2013-12-20T15:52:12 < Steffanx> Seems to work karlp. ( at least when i just use that command manually )
2013-12-20T15:53:08 < Steffanx> oh this erase is actually in the documentation, why i didnt see that.
2013-12-20T15:54:06 < Steffanx> It's not that i actually was going to use this flash section in the makefile. I use gdb to flash.
2013-12-20T15:55:00 < karlp> yeah, me too normally,
2013-12-20T15:55:39 < karlp> I only even looked at this standalone stuff because paulf reminded me it worked, and I found it useful when I was doing the swo stuff, so I could reflash and give the stlink back
2013-12-20T15:57:24 < Steffanx> Funny it defaults to some jtag programmer and olimex board where the example is for the l1-disco ;)
2013-12-20T15:59:03 < Steffanx> but one could it also make to easy :P
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2013-12-20T16:10:53 < karlp> same makefile.include for all f1, for all f2, for all f3
2013-12-20T16:16:24 < jpa-> http://koti.kapsi.fi/jpa/stuff/pix/p1000530.jpg  test cooking complete :)
2013-12-20T16:17:35 < karlp> that's your groovy rf over thermo right?
2013-12-20T16:20:13 < qyx_> lol
2013-12-20T16:20:18 < BrainDamage> the epaper display makes for a nice touch
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2013-12-20T16:24:11 < Thorn> wtf is this, Turkey Tweeter?
2013-12-20T16:28:02 < jpa-> karlp: yes :)
2013-12-20T16:30:18 < dongs> wait wat how does the probe connect
2013-12-20T16:30:25 < dongs> i sense photoshopped dickstarter-ready photo
2013-12-20T16:31:01 < jpa-> rf, of course
2013-12-20T16:31:15 < dongs> now ay
2013-12-20T16:31:15 < dongs> no way
2013-12-20T16:31:21 < karlp> ovenproof rf!
2013-12-20T16:31:44 < BrainDamage> what did you use, a nordic chip or something else?
2013-12-20T16:32:07 < jpa-> no, just crazy simple 433MHz module
2013-12-20T16:32:24 < jpa-> qam-tx3
2013-12-20T16:32:43 < BrainDamage> thermistor sensor?
2013-12-20T16:32:47 < BrainDamage> or thermocouple?
2013-12-20T16:33:43 < jpa-> TMP101 or something
2013-12-20T16:33:52 < jpa-> http://koti.kapsi.fi/jpa/stuff/pix/um_pcb_soldered.jpg
2013-12-20T16:34:15 < dongs> is that a battery
2013-12-20T16:34:26 < dongs> this is some pro shit dude
2013-12-20T16:34:31 < dongs> where's your dickstarter
2013-12-20T16:34:56 < jpa-> my attention span is too short to make multiple
2013-12-20T16:35:00 < jpa-> so i only ever make one
2013-12-20T16:35:15 < jpa-> .. and i'd probably never find a similar stainless steel ballpoint pen anyway :)
2013-12-20T16:35:32 < jpa-> and yeah, that's a battery (BR435)
2013-12-20T16:35:44 < jpa-> now time to develop some photos ->
2013-12-20T16:38:33 < Steffanx> Im not sure i would ever trust a battery in my food.
2013-12-20T16:38:58 < Steffanx> Especially not when it's some self-designed probe. ( not that the chinese do it better )
2013-12-20T16:39:35 < jpa-> it's wrapper in teflon and the case seals off anyway  http://kapsi.fi/~jpa/stuff/pix/P1000472.JPG
2013-12-20T16:40:17 < BrainDamage> I suspect if the battery fails it'd be rather noticeable
2013-12-20T16:40:37 < BrainDamage> you'd just discard the food and the probe
2013-12-20T16:40:45 < jpa-> nevar :)
2013-12-20T16:41:01 < BrainDamage> the food or the probe? :p
2013-12-20T16:41:03 < jpa-> and besides, i've test heated the battery to ~110°C, nothing radical occurs
2013-12-20T16:41:12 < jpa-> the probe ;)
2013-12-20T16:41:59 < Steffanx> So how you recharge it? Or is it a throw-away probe?
2013-12-20T16:42:13 < karlp> low powah
2013-12-20T16:42:16 < karlp> never needs replacing
2013-12-20T16:42:28 < karlp> only turns on when it detects it has been inserted into raw flesh
2013-12-20T16:42:33 < jpa-> maybe sometimes needs replacing, but should be good for some ~100°C of cooking
2013-12-20T16:42:40 < jpa-> karlp: no, it has a button :D
2013-12-20T16:42:44 < karlp> awww
2013-12-20T16:42:49 < jpa-> err
2013-12-20T16:42:51 < jpa-> ~100h
2013-12-20T16:42:54 < jpa-> messing up my units
2013-12-20T16:43:01 < Steffanx> oh, not bad :)
2013-12-20T16:43:33 < jpa-> 10mA for 1 sec every 30 sec = ~300µA average
2013-12-20T16:43:56 < jpa-> 50mAh battery (if you trust the manufacturer specs..)
2013-12-20T16:45:47 < karlp> did you get a 48qfp L1 inside the pen?
2013-12-20T16:45:56 < karlp> or does it come in qfn?
2013-12-20T16:46:55 < jpa-> no way
2013-12-20T16:47:05 < jpa-> that's not L1, it some pic10f200
2013-12-20T16:47:10 < karlp> right, ok :)
2013-12-20T16:47:48 < jpa-> https://svn.kapsi.fi/jpa/uunimittari/transmitter_sw/   lovely picasm
2013-12-20T16:49:29 < Steffanx> meh.. don't show that.
2013-12-20T16:49:41 < karlp> yehc
2013-12-20T16:49:46 < jpa-> it's probably the least messy part of the software
2013-12-20T16:50:30 < Steffanx> pic and it's lovely w register
2013-12-20T16:50:51 < jpa-> movf Steffanx, W
2013-12-20T16:50:57 < jpa-> addlw 1
2013-12-20T16:51:08 < jpa-> (That's Steffanx++ for you)
2013-12-20T16:51:17 < Steffanx> <3
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2013-12-20T17:25:43 < Laurenceb> uh oh
2013-12-20T17:25:45 < Laurenceb> http://www.element14.com/community/docs/DOC-64326
2013-12-20T17:27:16 < dongs> old useless trash
2013-12-20T17:28:04 < Laurenceb> someone should stick an ethernet board on the top
2013-12-20T17:28:09 < Laurenceb> for the lulz
2013-12-20T17:28:10 < dongs> yes
2013-12-20T17:28:15 < dongs> using some SPI ethernet shit
2013-12-20T17:28:17 < dongs> and bitbang it
2013-12-20T17:28:20 < dongs> using /proc/gpio
2013-12-20T17:28:24 < dongs> on the shittyberrypi
2013-12-20T17:28:27 < dongs> make sure to post on hackaday.
2013-12-20T17:28:29 < Laurenceb> itd probably be faster than the usb ethernet
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2013-12-20T17:29:02 < Laurenceb> http://www.raspberrypi.org/phpBB3/viewtopic.php?t=12097
2013-12-20T17:35:20 < Thorn> looks like farnell dispatched my order. no export restrictions
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2013-12-20T18:37:58 < Thorn> btw, rpi is sold in ordinary computer stores around here.
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--- Day changed Sat Dec 21 2013
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2013-12-21T00:26:14 < emeb> so quiet
2013-12-21T00:26:23 < emeb> all the trolls must be getting ready for christmas
2013-12-21T00:26:56 < gxti> i'm price-shopping... $600 worth of electronic components
2013-12-21T00:27:51 < gnomad> someone is going to have a happy xmas....
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2013-12-21T00:54:07 < Steffanx> All for yourself gxti?
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2013-12-21T00:55:45 < emeb> probably stocking up for building some time servers?
2013-12-21T00:58:45 < gxti> that's most of it
2013-12-21T00:59:10 < Steffanx> oh.
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2013-12-21T02:25:09 < dongs> http://www.trollaxor.com/2013/02/eric-s-raymond-unsubscribes-from-lkml.html
2013-12-21T02:25:26 < dongs> gxti: i still got neo6 here if you wants
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2013-12-21T03:06:29 < gxti> dongs: ah right, i'll buy 'em
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2013-12-21T04:33:54 < dongs> The number of FAN3122TMPX in stock that can be ordered cannot exceed 0.
2013-12-21T04:33:55 < dongs> ?????????
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2013-12-21T04:37:32 < qyx_> 9A O_o
2013-12-21T04:37:57 < dongs> im abusing them as direct drivers, without fets
2013-12-21T04:39:06 < qyx_> i am about to do the same
2013-12-21T04:39:14 < qyx_> but used doubled 3A
2013-12-21T04:39:32 < dongs> heh wahtcha making
2013-12-21T04:40:05 < qyx_> that mini bldc driver i mentioned last time
2013-12-21T04:40:22 < dongs> o rite
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2013-12-21T04:44:38 < qyx_> hm, i'll use your parts instead, they are much better for nearly the same price
2013-12-21T04:47:38 < dongs> same pkg?
2013-12-21T04:58:06 < qyx_> yep, 8 mlp
2013-12-21T04:58:30 < qyx_> but different pinouts of course
2013-12-21T04:58:51 < dongs> lo
2013-12-21T04:59:01 < dongs> this is supposed to be "industry standard pinout"
2013-12-21T04:59:12 < dongs> mine that is
2013-12-21T04:59:33 < qyx_> mine too, but fan3229 are dual 3A Ipk
2013-12-21T04:59:42 < qyx_> yours is single
2013-12-21T05:05:17 < madist> can you do that ? they're ratings are probably for milliseconds not continuous use.
2013-12-21T05:06:10 < madist> (use a mosfet driver to drive a motor)
2013-12-21T05:06:39 < qyx_> we will see
2013-12-21T05:07:52 < qyx_> i need high peak currents but the average will be around ~200mA
2013-12-21T05:07:55 < dongs> its been done before
2013-12-21T05:08:41 < dongs> qyx is gonna beat me to microbldc dickstarter :(
2013-12-21T05:09:26 < qyx_> future plans only
2013-12-21T05:09:31 < qyx_> bldc driven micromouse
2013-12-21T05:09:36 < dongs> microchip gives continuous current ratings for thier drivers
2013-12-21T05:09:46 < dongs> ie tc4452 or wahtever is 12A peak 2.5A cont
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2013-12-21T05:14:05 < madist> 2.5A in a SOIC ... still seems excessive to me.
2013-12-21T05:14:32 < madist> if your motor is nice and inductive, I think the microchip part will blow up even at 2.5A
2013-12-21T05:15:00 < qyx_> that inductive vs. capacitive part worries me a bit
2013-12-21T05:15:30 < madist> ok, there's a TO-220 package as well
2013-12-21T05:15:32 < madist> now it makes more sense
2013-12-21T05:17:48 < dongs> madist: soic/ep or dfn/ep
2013-12-21T05:17:53 < dongs> pad would help a bit i guess
2013-12-21T05:18:24 < dongs> i twittered http://i.imgur.com/wx4Tu1a.png to fabhouse yesterday then found out i cant get tc4452 anywhere so i redid with that fan3122shit
2013-12-21T05:18:25 < madist> the soic has a pad ? I didn't see that.
2013-12-21T05:18:37 < dongs> it might, i duno, i used dfn
2013-12-21T05:19:07 < BrainDamage> how much current can it handle, average?
2013-12-21T05:20:36 < madist> "They can accept, without damage or logic
2013-12-21T05:20:36 < madist> upset, more than 1.5A inductive current of either
2013-12-21T05:20:36 < madist> polarity being forced back into their outputs."
2013-12-21T05:21:08 < madist> doesn't say for how long of course ;)
2013-12-21T05:21:12 < qyx_> dongs: another bldc gimbal?
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2013-12-21T05:21:41 < dongs> yeah, but only 36x36
2013-12-21T05:21:48 < BrainDamage> still a magnitude less of current I need :/
2013-12-21T05:21:58 < madist> what are you doing ?
2013-12-21T05:22:09 < madist> bldc bed-shaker ?
2013-12-21T05:22:58 < BrainDamage> the motors is a pair of 330W electrical, 97% efficiency to mechanical
2013-12-21T05:23:08 < BrainDamage> yes they could easily rock your bed
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2013-12-21T06:02:34 < oliver> Hi. Does anyone have a minimal working example of using CAN?
2013-12-21T06:06:24 < dongs> isnt there one in stdperiphlibs?
2013-12-21T06:07:26 < oliver> Yes but I can't seem to get it to work with my board.
2013-12-21T06:08:27 < oliver> I'm wondering if I'm missing any steps.
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2013-12-21T09:14:05 < talsit> handy: http://www.heyrick.co.uk/assembler/qfinder.html
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2013-12-21T13:02:26 < Thorn> looks like inductors that I ordered are both wrong and too expensive. :x
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2013-12-21T14:09:40 < madist> rewind them
2013-12-21T14:09:46 < madist> there's no such thing as a wrong inductor
2013-12-21T14:09:47 < madist> :p
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2013-12-21T14:38:06 < BrainDamage> there's such thing as wrong core tough
2013-12-21T14:46:21 < dongie> so i'm in hardfault. my callstack in keil is useless.
2013-12-21T14:46:22 < dongie> whats next
2013-12-21T14:46:27 < dongie> how do i find out waht triggered it
2013-12-21T14:53:53 < Steffanx> read this? http://www.keil.com/appnotes/files/apnt209.pdf
2013-12-21T14:56:18 < zyp> dongie, as always, check SCB_CFSR to see what kind of fault it is
2013-12-21T14:56:48 < karlp> https://github.com/Laurenceb/STM32-Logger/blob/master/jtag/armv7m-macros.gdb
2013-12-21T14:56:56 < karlp> use that, oh way, you don't have gdb scripting...
2013-12-21T14:57:42 < zyp> I don't know if I'd trust any url with Laurenceb in it anyway
2013-12-21T14:57:47 < zyp> :p
2013-12-21T14:57:50 < Steffanx> lol
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2013-12-21T14:59:29 < karlp> well, it's just zippe's gdb script
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2013-12-21T15:01:46 < Steffanx> but gdb ;)
2013-12-21T15:04:55 < BrainDamage> have you guys tried linaro's branch?
2013-12-21T15:09:06 < zyp> somebody were talking about using it, but I don't remember who
2013-12-21T15:10:43 < zyp> personally I'm perfectly happy with the builds on launchpad, what are you seeking to improve?
2013-12-21T15:11:27 < BrainDamage> it was mostly curiosity
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2013-12-21T15:24:14 < karlp> linaro.org actually refers to the gcc-arm-embedded on launchpad for bare metal cortex-m
2013-12-21T15:25:11 < karlp> read the bottom of: http://www.linaro.org/downloads/
2013-12-21T15:26:28 < zyp> so linaro is also involved with that one :)
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2013-12-21T15:38:23 < Thorn> so stm32f3 don't have any builtin PGAs?
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2013-12-21T15:45:07 < Thorn> 302 and 303 have them but not 373
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2013-12-21T15:47:48 < Thorn> so you get either 16-bit ADCs or PGAs
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2013-12-22T13:43:07 < dongs> what the hell
2013-12-22T13:43:11 < dongs> 24 hours of no chats??
2013-12-22T13:43:33 < MrMobius> derp
2013-12-22T13:45:37 < Viper168> people are xmasing
2013-12-22T13:45:42 < Viper168> probably
2013-12-22T13:46:13 < karlp> or at least tryign to :)
2013-12-22T13:46:41 < karlp> aslo, you ruined it.
2013-12-22T13:46:47 < karlp> needed another 2 hours to make 24 hours
2013-12-22T13:47:57 < zyp> *yawn*
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2013-12-22T13:48:45 < zyp> I might try doing something with my f429 today
2013-12-22T13:49:01 < zyp> but I'm not sure what
2013-12-22T13:49:31 < zyp> aside from checking that my existing F4 code works unmodified
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2013-12-22T14:07:29 < Thorn> does f1 still make sense for new projects? looks like 302, 401, f0 etc. provide an alternative for most use cases
2013-12-22T14:08:23 < karlp> l100 too
2013-12-22T14:09:00 < karlp> I guess if you've got existing code that will be relevant, and you're getting a good price?
2013-12-22T14:11:38 < Thorn> looks like f3 doesn't cost significantly more
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2013-12-22T14:22:33 < dongs> Thorn: f103cb is <$2
2013-12-22T14:22:41 < dongs> f303 is still $4+
2013-12-22T14:22:41 < dongs> so..
2013-12-22T14:22:51 < dongs> if  you dont need analog trash or fpu etc no reason not to use f1
2013-12-22T14:23:13 < dongs> bedtime
2013-12-22T14:23:14 < dongs> dying
2013-12-22T14:24:02 < Thorn> there is also the lpc11 family
2013-12-22T14:24:05 < zyp> I went with f3 to avoid having to deal with f1 gpio sillyness
2013-12-22T14:25:39 < zyp> but I could probably have shaved 10-15% off the cost by going for f1 instead
2013-12-22T14:26:24 < Thorn> gpio, alternate functions, i2c etc.
2013-12-22T14:27:12 < zyp> I haven't tried f3 i2c yet, so I can't say whether it's better
2013-12-22T14:27:25 < zyp> but my old i2c driver seems to be working fine for f1/f4
2013-12-22T14:28:18 < Thorn> i2c errata is quite a bit smaller than for f1 anyway
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2013-12-22T16:57:09 < Laurenceb_> whats the fastest way to do 16bit complex fixed point multiply on F4?
2013-12-22T16:57:14 < Laurenceb_> atm i have:
2013-12-22T16:57:34 < Laurenceb_> SMUAD, SMUSDX, PKHTB
2013-12-22T16:57:40 < Laurenceb_> so three instructions
2013-12-22T16:57:47 < Laurenceb_> is there anything faster?
2013-12-22T17:00:01 < karlp> dongs, there's f302, but yeah
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2013-12-22T18:34:33 < Laurenceb_> http://www.hackersdelight.org/corres.txt
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2013-12-22T21:04:17 < englishman> hmm am i reading this right
2013-12-22T21:04:25 < englishman> if i want to put a source file in F3 CCM in keil
2013-12-22T21:04:36 < englishman> i just right click on it and set the memory location in options?
2013-12-22T21:04:40 < englishman> it's that easy?
2013-12-22T21:13:12 < emeb_mac> try it and see
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2013-12-22T21:15:16 < englishman> yeah i will later just reading docs, my f3discovery is in another location
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2013-12-22T22:40:54 < Laurenceb_> https://github.com/reprappro/RepRapFirmware/blob/master/network/httpd-original.c
2013-12-22T22:41:01 < Laurenceb_> lol whay is everything commented out
2013-12-22T22:41:03 < Laurenceb_> failz
2013-12-22T22:43:41 < Steffanx> because its not used? because its replaced by old code and they suck at versioning?
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2013-12-22T23:03:40 < Steffanx> *new code
2013-12-22T23:05:52  * zyp replaces Steffanx by new code
2013-12-22T23:07:08 < Steffanx> dont want to be turned into c__\
2013-12-22T23:07:11 < Steffanx> *++
2013-12-22T23:07:32 < zyp> you prefer c+= ?
2013-12-22T23:08:16 < Steffanx> still didnt look into what that was supposed to be.
2013-12-22T23:08:37 < zyp> good choice
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2013-12-22T23:09:03 < jpa-> my code had a bad bug.. my tests didn't catch it :(
2013-12-22T23:09:29 < emeb_mac> and then...?
2013-12-22T23:09:34 < karlp> you had tests, still winning?
2013-12-22T23:09:38 < jpa-> then i fixed it
2013-12-22T23:09:49 < jpa-> but i thought i had tested well but i hadn't
2013-12-22T23:09:54 < jpa-> now my world is shattered
2013-12-22T23:10:27 < emeb_mac> what happened?
2013-12-22T23:10:53 < jpa-> nothing radical, really
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2013-12-22T23:11:01 < emeb_mac> just bruised ego?
2013-12-22T23:11:08 < jpa-> not even that, really
2013-12-22T23:11:11 < jpa-> but it just reminded me how difficult it is to test software
2013-12-22T23:11:20 < emeb_mac> good lesson to remember
2013-12-22T23:11:30 < jpa-> indeed; but coding is much happier if one can forget it
2013-12-22T23:11:46 < emeb_mac> corner cases leap out of the shadows...
2013-12-22T23:12:25 < Steffanx> what kind of tests does jpa- run?
2013-12-22T23:12:45 < jpa-> Steffanx: lots of; it was in nanopb (https://code.google.com/p/nanopb/issues/detail?id=97)
2013-12-22T23:12:51 < Steffanx> ah
2013-12-22T23:13:41 < jpa-> already a year ago i was 100% sure that any such basic bug would have been found by then
2013-12-22T23:16:49 < Steffanx> At least your survived
2013-12-22T23:16:58 < jpa-> barely
2013-12-22T23:19:31 < zyp> jpa-, remember there's a reason it's often called regression testing
2013-12-22T23:19:51 < zyp> it's because you write a test after solving a bug, to catch a future eventual regression of it ;)
2013-12-22T23:20:05 < jpa-> yeah; mostly i'm annoyed that the test to catch it is so obvious that i should have thought about it sooner
2013-12-22T23:20:19 < jpa-> i was just too smug to believe that there could be a bug hiding
2013-12-22T23:20:35 < zyp> can't think of everything, especially not when it appears to work
2013-12-22T23:20:41 < Steffanx> lol @ how you even removed the comments about it :D
2013-12-22T23:20:53 < Steffanx> *some comments
2013-12-22T23:21:07 < jpa-> yeah.. totally missed the part in spec.. nothing special about that
2013-12-22T23:21:32 < jpa-> it is a stupid corner case anyway.. well the whole negative int32 stuff in protobuf is poorly thought out legacy crap anyway
2013-12-22T23:23:06 < zyp> how does that stuff work? are the types known, since some decoders decode it correctly?
2013-12-22T23:24:12 < jpa-> yes, they are
2013-12-22T23:24:36 < zyp> to me it looks like it's encoded as a int64, is that right?
2013-12-22T23:24:41 < jpa-> it's almost a bug in the python library by Google, but haven't bothered reporting it yet because the spec does say what is quoted..
2013-12-22T23:25:16 < jpa-> yeah, it's cast and sign-extended to int64_t first
2013-12-22T23:25:28 < zyp> sounds inefficient
2013-12-22T23:25:36 < jpa-> it is
2013-12-22T23:25:47 < jpa-> that's why there are uint32_t and sint32_t types
2013-12-22T23:26:16 < jpa-> int32_t is a silly relic IMO..
2013-12-22T23:26:22 < jpa-> -_t
2013-12-22T23:27:09 < zyp> how so?
2013-12-22T23:27:42 < jpa-> (to clarify: the int32 in protobuf, not in C) because it allows negative values, but is horribly inefficient at encoding them
2013-12-22T23:27:56 < zyp> ah
2013-12-22T23:28:26 < jpa-> i guess it makes sense if the negative values are errors or something.. but more like a big gotcha
2013-12-22T23:29:17 < jpa-> lots of other stuff that could be smarter about the protobuf format, but i guess maintaining compatibility is a lot more important
2013-12-22T23:29:43 < jpa-> because that is its prime benefit anyway
2013-12-22T23:30:56 < zyp> legacy compatibility is usually a pain to deal with
2013-12-22T23:31:23 < jpa-> yeah.. protobuf makes it somewhat ok
2013-12-22T23:32:00 < jpa-> the optional/required/repeated rules are simple enough to understand so that it is easy enough to figure out the consequences if you remove or change a field
2013-12-22T23:32:21 < jpa-> as long as no-one messes up the protobuf format itself :P
2013-12-22T23:34:25 < zyp> we had loads of fun at work reimplementing an old protocol on a new platform, so it could work with the other end of the connection unchanged
2013-12-22T23:35:02 < zyp> turns out it's horribly designed and totally not the right tool for the job
2013-12-22T23:35:15  * emeb_mac doesn't even know what this stuff is for.
2013-12-22T23:36:00 < jpa-> emeb_mac: generally, communicating between applications so that either end can be changed without breaking stuff - bit like xml, except more efficient
2013-12-22T23:36:30 < emeb_mac> aha
2013-12-22T23:36:46 < emeb_mac> so both apps need to use this library...
2013-12-22T23:36:51 < gxti> you describe your data structure and it generates libs in various languages
2013-12-22T23:37:01 < jpa-> zyp: at my previous workplace, the usual "protocol" was just random comma separated values.. no hope adding any new stuff without breaking everything :)
2013-12-22T23:37:27 < jpa-> emeb_mac: the same wire level protocol, but there are protocol buffers libraries for pretty much any language
2013-12-22T23:37:32 < gxti> nothing shockingly innovative but it's put together well
2013-12-22T23:37:55 < jpa-> and it's trivial enough to do it manually for a specific message if needed
2013-12-22T23:38:00 < zyp> jpa-, I'm not talking about the serializing, but rather the connection handling
2013-12-22T23:38:09 < gxti> i hadn't thought of using it for uC stuff though, thanks for inadvertently pointing out nanopb
2013-12-22T23:38:15 < zyp> handshake, etc
2013-12-22T23:38:18 < jpa-> zyp: ah
2013-12-22T23:38:23 < jpa-> zyp: another can of worms :)
2013-12-22T23:38:30 < zyp> yeah
2013-12-22T23:38:48 < zyp> hmm, I should probably look at protobufs
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2013-12-22T23:39:52 < jpa-> i should probably find some project to use nanopb.. it feels funny maintaining this when i don't really use it myself for anything anymore :D
2013-12-22T23:40:12 < zyp> hmm, how does this stuff with code generation work?
2013-12-22T23:40:58 < jpa-> the .proto files are a portable format for describing the protocol.. so the same file works with any language/library, and allows generating structures/code for that specific language
2013-12-22T23:41:51 < jpa-> in nanopb it generates just C structs.. in the google's library it makes c++/python/java classes.. i guess the haskell library makes some funny monikers or hats out of it
2013-12-22T23:42:01 < zyp> so you have your own code generator in nanopb?
2013-12-22T23:42:08 < jpa-> yeah
2013-12-22T23:42:47 < zyp> I tend to dislike the idea of code generation :)
2013-12-22T23:42:59 < jpa-> it doesn't really generate executable code, just definitions
2013-12-22T23:43:24 < zyp> yeah, fair enough
2013-12-22T23:44:13 < jpa-> there are a few libraries that do everything in runtime without generation.. somewhat simpler to use, but also less efficient
2013-12-22T23:44:57 < zyp> and not really suited for embedded
2013-12-22T23:45:27 < jpa-> well.. could work, if you can spare the overhead
2013-12-22T23:45:59 < jpa-> https://code.google.com/p/lwpb/   this doesn't look too bad
2013-12-22T23:46:02 < zyp> I mean, you'd have to fit a parser and everything in your firmware, sounds like a waste
2013-12-22T23:46:31 < jpa-> there is a "compiled" format for the .protos.. which is itself a protobuf format
2013-12-22T23:46:37 < jpa-> it's a lot easier to parse
2013-12-22T23:47:25 < zyp> that sounds nicer
2013-12-22T23:49:19 < jpa-> mostly i find that code generation avoids a lot of boilerplate code.. like if you have a message with fields foo, bar, bah, you can just do "MyMessage msg;" instead of "int foo; bool bar; double bah;"
2013-12-22T23:50:05 < jpa-> (and in the latter case, naturally you'd also have to pass &foo &bar &bah somewhere..)
2013-12-22T23:52:16 < zyp> true
2013-12-22T23:53:10 < zyp> I like to argue that if you have to use code generation to avoid boilerplate code, you're working in the wrong language :)
2013-12-22T23:55:06 < jpa-> the C# protobuf library actually generates .protos from classes.. but i guess if you aim to easily port message definitions from one language to another, you have to generate something somewhere :)
2013-12-22T23:55:26 < zyp> yeah
2013-12-22T23:56:28 < jpa-> (though if i'll ever put a reflection interface in nanopb, it would actually be like    get_int32(mymsgbuf, "fieldname")   so not necessarily all that much boilerplate)
2013-12-22T23:56:32 < zyp> either that or deal with it during runtime, which would often be a worse solution on embedded
2013-12-22T23:57:23 < jpa-> embedded is getting pretty powerful now.. code reliability should be more important than every last piece of efficiency
2013-12-22T23:58:15 < zyp> true
2013-12-22T23:58:41 < jpa-> sadly it often seems that getting it barely working is enough..
2013-12-22T23:58:55 < zyp> :)
2013-12-22T23:58:56 < jpa-> never mind anything else, just sell it as soon as it seems to work
--- Day changed Mon Dec 23 2013
2013-12-23T00:00:14 < zyp> I'm not sure how I should feel about having sold a bunch of boards running software based on laks, that weren't the intention when I was writing laks :p
2013-12-23T00:00:56 < jpa-> if it is open, your users can fix them themselves :)
2013-12-23T00:01:08 < zyp> true
2013-12-23T00:01:30 < zyp> I don't think I've had any bug reports yet, just feature requests
2013-12-23T00:02:44 < zyp> aside from finding out myself that the bootloader I sold the first 20-30 boards with doesn't enumerate properly on windows
2013-12-23T00:03:05 < zyp> due to the windows hid parser being picky
2013-12-23T00:03:15 < jpa-> usb is surprisingly tricky to get right
2013-12-23T00:03:56 < jpa-> i wonder what the dso quad's bootloader does wrong.. it refuses to work with bad USB cables, even though the normal USB connection to the device works fine
2013-12-23T00:04:06 < zyp> was an easy fix, the challenging part is just fixing the bootloader on all the affected boards without the users having to return them to me
2013-12-23T00:06:36 < zyp> the bootloader can't overwrite itself, so I would have to make another firmware image that contains a new bootloader, that will overwrite the old one
2013-12-23T00:06:49 < zyp> without failing, of course, since a broken bootloader would brick the board
2013-12-23T00:08:17 < zyp> then I have to get that firmware image onto the affected boards, which should be possible by bypassing HID completely by binding the device to WinUSB instead
2013-12-23T00:09:59 < zyp> then I have to write understandable instructions on how to do this, since it won't be as easy as «download this .exe and run it to upgrade your board» as the original intention was
2013-12-23T00:11:23 < zyp> but I guess that's what I deserve for being too lazy to finish the windows flasher .exe before shipping the boards, and thus only having tested firmware upgrade on OS X
2013-12-23T00:12:15 < emeb_mac> too bad you can't distribute some sort of script or .bat file to do it all for them
2013-12-23T00:12:35 < jpa-> i would probably do it like this:    1. new bootloader in firmware, like you said   2. new bootloader overwrites first page of flash so that it always boots to new bootloader (tiny window of brickability)  3. reprogram rest of bootloader area   4. reprogram first page of flash (another tiny window of brickability)
2013-12-23T00:12:56 < jpa-> you could distribute an image for bootable linux that does it
2013-12-23T00:13:47 < emeb_mac> I bricked my Garmin handheld GPS a while back while trying to update the firmware.
2013-12-23T00:14:07 < emeb_mac> They want $70 to exchange it for a refurb.
2013-12-23T00:14:32 < jpa-> zyp: which family is this, btw?
2013-12-23T00:14:49 < zyp> f3
2013-12-23T00:15:29 < zyp> and no, the internal bootloader won't work :)
2013-12-23T00:15:39 < jpa-> :)
2013-12-23T00:16:03 < jpa-> i remember that story :)
2013-12-23T00:16:54 < zyp> I considered leaving boot0 on a pulldown instead of tying it down like I did, but I tested and found that the bootloader always reconfigures all gpios, so it won't leave the D+ pullup connected, so USB won't work anyway
2013-12-23T00:19:05 < zyp> I'm not too concerned about anything happening between the first erase and the end of flashing, it's not that many pages either way, so it wouldn't affect the window of brickability much
2013-12-23T00:19:19  * Laurenceb_ uses built in bootloader + bluetooth for flashing in the field
2013-12-23T00:19:44 < jpa-> zyp: do you have enough RAM to store the whole image at once?
2013-12-23T00:20:08 < zyp> what I'm thinking is not having a second bootloader, but just embed the new bootloader in the image
2013-12-23T00:20:21 < jpa-> ah, true
2013-12-23T00:20:24 < jpa-> that's a lot smarter :)
2013-12-23T00:20:35 < zyp> so the image would just have to check itself, then write the image to start of flash
2013-12-23T00:21:01 < zyp> then kill itself after finished flashing, so it doesn't run over and over again
2013-12-23T00:21:47 < zyp> because then the probability is high that the board would be unplugged in the middle of a reflash :p
2013-12-23T00:22:06 < zyp> hmm
2013-12-23T00:22:27 < zyp> I probably have enough ram to store the new image three or four times over, so yes :p
2013-12-23T00:22:34 < zyp> my stuff is small ;)
2013-12-23T00:23:06 < jpa-> where is all the supposed c++ bloat? :)
2013-12-23T00:23:12 < zyp> I think I got the DFU bootloader down to 3k or so when I turned off usb debugging
2013-12-23T00:24:11 < jpa-> i should figure out a DFU bootloader for stm32l1.. it would be more convenient than opening boxes to get access to swd
2013-12-23T00:24:35 < zyp> mine is pretty simple
2013-12-23T00:25:02 < jpa-> do you have f1/l1 usb support yet?
2013-12-23T00:25:26 < zyp> http://cgit.jvnv.net/arcin/tree/bootloader.cpp?id=9a09653
2013-12-23T00:25:39 < zyp> same as f3
2013-12-23T00:25:56 < zyp> but the flash is different, so you'd have to change the Flashloader
2013-12-23T00:26:10 < jpa-> yeah.. well L1 flash is trivial :)
2013-12-23T00:26:34 < zyp> true
2013-12-23T00:26:42 < jpa-> maybe i'll try it sometime
2013-12-23T00:27:16 < zyp> there's some board specific GPIO, and it uses CCM to store the reset-to-bootloader magic, but otherwise it should be pretty generic
2013-12-23T00:27:21 < jpa-> though nowadays i'm often running out of flash so wouldn't have room for bootloader.. chibios being so bloat and me being so cheap when buying controllers
2013-12-23T00:28:25 < zyp> heh
2013-12-23T00:30:23 < jpa-> ah.. and ugfx pulling in the float stuff.. well that explains a lot
2013-12-23T00:30:32 < jpa-> well it fit, so doesn't matter
2013-12-23T00:31:00 < zyp> hmm, my dfu state machine is a bit simplified :p
2013-12-23T00:34:00 < Steffanx> Im still wondering what this thing is you sold to other zyp..
2013-12-23T00:34:07 < Steffanx> *others,
2013-12-23T00:34:51 < jpa-> it has something to do with HID, buttons and game controllers, i think
2013-12-23T00:35:11 < jpa-> and there were either 10, 20 or 100 pieces of it assembled, dunno how many sold..
2013-12-23T00:35:29 < Steffanx> 20-30
2013-12-23T00:36:01 < jpa-> hmm makes sense :)
2013-12-23T00:36:05 < Steffanx> or those were jus the buggy ones
2013-12-23T00:36:21 < jpa-> it would be pretty fancy to sell 30 buggy ones out of 10 total
2013-12-23T00:37:03 < Steffanx> You're in for a party jpa-?
2013-12-23T00:37:11 < jpa-> huh?
2013-12-23T00:37:23 < Steffanx> First time i see you talk while being away.
2013-12-23T00:37:34 < jpa-> ah.. apparently forgot it
2013-12-23T00:37:58 < jpa-> it's certainly happened before.. but not in the last few months because i've not been away much
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2013-12-23T01:49:14 < dongs> attn upgrdman http://www.youtube.com/watch?v=n_6p-1J551Y
2013-12-23T01:51:35 < upgrdman> :) saw it. looks fun
2013-12-23T01:51:37 < upgrdman> thanks
2013-12-23T01:51:48 < dongs> sorry im the bringer of old news
2013-12-23T01:56:11 < upgrdman> glad you pointed it out, i wouldnt want to miss it :
2013-12-23T01:56:11 < upgrdman> :)
2013-12-23T01:56:13 < zyp> that's ok, I haven't seen it
2013-12-23T01:58:29 < zyp> pretty cool stuff
2013-12-23T02:02:15 < emeb> wonder what they do to unload the reaction wheels?
2013-12-23T02:02:50 < emeb> I imagine they can unload them when it's face-down on a flat surface...
2013-12-23T02:03:28 < emeb> but if it's balancing "on-point" for a while the errors may accumulate until the wheels can't compensate by accelerating more...
2013-12-23T02:03:52 < emeb> spacecraft do it by using thrusters...
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2013-12-23T02:11:43 < qyx_> i assume they can do it by moving in opposite direction a bit and changing the wheel rpm slowly, then compensate again
2013-12-23T02:12:04 < qyx_> like you cannot throw a ball when you are standing perfectly vertical
2013-12-23T02:12:30 < Laurenceb_> good for covert robotics
2013-12-23T02:12:41 < qyx_> you move a bit in a direction you are going to throw
2013-12-23T02:12:44 < gxti> "it's just a box"
2013-12-23T02:13:07 < Laurenceb_> or make it look like a concrete block
2013-12-23T02:13:45 < qyx_> jumping concrete flower pot
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2013-12-23T02:40:17 < upgrdman> dongs: got my robot telemetry gui almost done. now i have line graphs. and it works in linux and mac os :)   http://www.youtube.com/watch?v=wkWvZHrrtTM
2013-12-23T02:50:44 < dongs> its irrelevant if it doenst work on windows
2013-12-23T02:50:52 < dongs> because nobody actually uses "lunix" or "macos"
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2013-12-23T02:52:30 < upgrdman> iirc it should work on windows, but i havnt bothered to check
2013-12-23T03:00:16 < gxti> speaking of real pro OS, having fun trying to do a robocopy backup when it keeps tripping over 'blocked' .step files i downloaded from the interwebs
2013-12-23T03:00:30 < gxti> thanks microsoft for saving me from those infected 3d models
2013-12-23T03:00:51 < dongs> crossplatform: works shitty on all platforms
2013-12-23T03:06:47 < zyp> just like anal sex, I've heard
2013-12-23T03:08:23 < upgrdman> lol  http://www.youtube.com/watch?v=k_d5jWvBirU
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2013-12-23T11:38:29 < dongs> http://media.digikey.com/photos/Future%20Designs%20Photos/FUTURE%20DESIGNS%20INC-%20DB-TQFP44-89V52X2.jpg
2013-12-23T11:38:32 < dongs> wat
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2013-12-23T12:07:39 < dongs> time for daily dickstarter review https://www.youtube.com/watch?v=BlwG3bTi1TA
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2013-12-23T12:11:45 < Thorn> how did they do this smooth movement of light spots? a whole lot of leds?
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2013-12-23T12:21:57 < dongs> doesnt look like anything special
2013-12-23T12:21:59 < dongs> just diffused leds
2013-12-23T12:24:00 < Thorn> also the name 'dickstarter' is now official
2013-12-23T12:24:20 < dongs> http://www.kickstarter.com/projects/1883701526/matchboxarm still not delivered
2013-12-23T12:24:22 < dongs> no updates either
2013-12-23T12:24:23 < dongs> awesoem
2013-12-23T12:32:48 < dongs> https://d2pq0u4uni88oo.cloudfront.net/assets/001/467/226/764328a6b1716bd2eb459b5fcfc1f4b5_h264_high.mp4
2013-12-23T12:32:52 < dongs> wow, what the actual fuck
2013-12-23T12:33:11 < dongs> they have 6000 frames to make, so they fill office with 3d printers and robot arms
2013-12-23T12:33:20 < dongs> instead of fucking paying $20k for a injection mold... ?
2013-12-23T12:33:29 < dongs> fucking only on shitstarter
2013-12-23T12:33:32 < dongs> does this kinda shit happen
2013-12-23T12:33:37 < dongs> retards++
2013-12-23T12:33:51 < dongs> https://s3.amazonaws.com/ksr/assets/001/467/170/9ff4a082f1d8b7801deaccca15378721_large.jpg?1387768868
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2013-12-23T13:51:23 < dongs> start chatting you assholes
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2013-12-23T13:57:15 < Thorn> http://www.youtube.com/watch?v=QzZkF1MAsb8
2013-12-23T13:59:30 < dongs> old
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2013-12-23T17:00:30 < dongs> cookin with jeri elssworth http://i.imgur.com/dcY336C.jpg
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2013-12-23T17:20:21 < Steffanx> hehe, that's how dongs will troll his kids.
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2013-12-23T17:47:49 < mtbg> hi
2013-12-23T17:47:53 < dongs> sup
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2013-12-23T19:18:40 < TitanMKD> hi
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2013-12-23T19:27:23 < Laurenceb_> sup
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2013-12-23T19:27:37 < Laurenceb_> whats the fastest way to sum bytes in a word?
2013-12-23T19:27:49 < Laurenceb_> if they are all <8
2013-12-23T19:27:58 < Laurenceb_> multiply by a mask?
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2013-12-23T20:14:22 < mtbg> how would you do it with multiplying?
2013-12-23T20:15:10 -!- Guest99007 [~kuldeepdh@117.254.219.181] has joined ##stm32
2013-12-23T20:15:46 < Laurenceb_> multiply by 0x01010101
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2013-12-23T20:16:45 < mtbg> is 0x00000001 x 0x01010101 = 1?
2013-12-23T20:18:24 < Laurenceb_> yeah
2013-12-23T20:18:33 < mtbg> ah wel
2013-12-23T20:18:34 < mtbg> l
2013-12-23T20:18:36 < mtbg> I see
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2013-12-23T20:18:48 < mtbg> a * 0x01010101 >> 24
2013-12-23T20:19:03 < Laurenceb_> yes
2013-12-23T20:20:42 < Laurenceb_> im trying to do popcount in fewest cycles
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2013-12-23T20:21:06 < Laurenceb_> looks like its possible for a 32bit word in 8 cycles on F4
2013-12-23T20:21:19 < qyx_> bitcount in a word?
2013-12-23T20:21:29 < TitanMKD> Laurenceb: use DSP ;)
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2013-12-23T20:21:38 < TitanMKD> Laurenceb: on M4F
2013-12-23T20:21:43 < Laurenceb_> sure
2013-12-23T20:21:48 -!- trepidaciousMBR [~trepidaci@217.155.204.2] has quit [Quit: trepidaciousMBR]
2013-12-23T20:21:48 < Laurenceb_> that only helps a little
2013-12-23T20:21:56 < qyx_> Laurenceb_: have you seen this? http://graphics.stanford.edu/~seander/bithacks.html
2013-12-23T20:22:00 < TitanMKD> there is even Quad 8 bits ADD
2013-12-23T20:22:02 < TitanMKD> in 1 cycle
2013-12-23T20:22:15 < Laurenceb_> http://www.sciencezero.org/index.php?title=ARM:_Count_ones_%28bit_count%29
2013-12-23T20:22:29 < Laurenceb_> TitanMKD: it does it in parallel
2013-12-23T20:22:37 < Laurenceb_> ie sums into 8 byte results
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2013-12-23T20:22:47 < TitanMKD> to count ones
2013-12-23T20:22:52 < Laurenceb_> so far i reduced the bottom one to 8 cycles
2013-12-23T20:22:54 < TitanMKD> ARM do it in 1 cycle ;)
2013-12-23T20:22:58 < TitanMKD> clz
2013-12-23T20:22:59 < Laurenceb_> using the DSP instructions
2013-12-23T20:23:07 < Laurenceb_> thats leading zeros
2013-12-23T20:23:11 < TitanMKD> instruction
2013-12-23T20:23:17 < TitanMKD> just reverse ;)
2013-12-23T20:23:40 < Steffanx> ;) ;)
2013-12-23T20:23:55 < Laurenceb_> but there might be up to 32bits
2013-12-23T20:24:01 < TitanMKD> UQADD8
2013-12-23T20:24:09 < TitanMKD> Quad 8bits add + saturation
2013-12-23T20:24:38 < TitanMKD> there is also some variant
2013-12-23T20:24:43 < TitanMKD> Unsigned sum of quad 8-bit unsigned absolute difference
2013-12-23T20:24:47 < TitanMKD> USAD8
2013-12-23T20:25:13 < Laurenceb_> neither of which help
2013-12-23T20:25:49 < TitanMKD> ok
2013-12-23T20:26:50 < TitanMKD> anyway you will don't do miracle on basic Cortex Mx ;)
2013-12-23T20:27:07 < TitanMKD> i'm pretty sure you will loose more time to load / store than doing add
2013-12-23T20:27:30 < TitanMKD> and even more if you do not inline all to avoid loop which kill all perf ...
2013-12-23T20:27:38 < Laurenceb_> yeah
2013-12-23T20:27:54 < TitanMKD> as the pipeline in Mx are a true hell for realtime
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2013-12-23T20:43:15 < mtbg> Laurenceb_: sxtah r0, r0, ror #16; sxtah r0, r0, ror #8;
2013-12-23T20:43:24 < mtbg> r0 [7..0] is the result
2013-12-23T20:43:25 < mtbg> :>
2013-12-23T20:43:49 < mtbg> http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0473j/dom1361289910259.html
2013-12-23T20:44:34 < Laurenceb_> two instructions, too slowww
2013-12-23T20:44:35 < Laurenceb_>  :P
2013-12-23T20:44:37 < Laurenceb_> http://s3.amazonaws.com/data.tumblr.com/tumblr_kyjtvlxH3J1qz80cmo1_1280.jpg?
2013-12-23T20:45:30 < mtbg> multiplying would be the fastest way but you need a memory access to obtain the mask since it wouldn't fit in immediate value
2013-12-23T20:45:51 < mtbg> well
2013-12-23T20:45:53 < Laurenceb_> well it could be stored in a register
2013-12-23T20:46:00 < Laurenceb_> but i ran out of registers
2013-12-23T20:46:11 < mtbg> and then you would need lsr r0, #24
2013-12-23T20:46:14 < mtbg> still 2 cycles
2013-12-23T20:46:59 < Laurenceb_> i can take care of multiple results at once using the DSP packing instructions
2013-12-23T20:47:03 < Laurenceb_> so its slightly faster
2013-12-23T20:47:23  * Laurenceb_ is trying to write 1 bit software GPS for F4
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2013-12-23T20:47:52 < mtbg> directly from the output of a baseband chip?
2013-12-23T20:48:00 < Laurenceb_> looks like ~25 correlator channels ar epossible
2013-12-23T20:48:01 < Laurenceb_> yes
2013-12-23T20:48:20 < mtbg> wouldn't fpga be somewhat more appropriate?
2013-12-23T20:48:47 < Laurenceb_> been done already tho
2013-12-23T20:48:58 < Laurenceb_> maybe a CPLD for data formatting
2013-12-23T20:49:13 < Laurenceb_> but i think you can save board space and maybe some power
2013-12-23T20:49:27 < Laurenceb_> defiantly lower the cost like this
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2013-12-23T20:50:57 < Laurenceb_> so far i managed 32 samples processed in 56.5 cycles
2013-12-23T20:51:30 < gxti> sounds neat
2013-12-23T20:51:46 < Laurenceb_> so thats 25 correlators with a ~4.5Msps baseband clock
2013-12-23T20:51:47 < mtbg> fully processed?
2013-12-23T20:51:50 < Laurenceb_> and complex samples
2013-12-23T20:52:06 < Laurenceb_> each correlator outputs bins at 50Hz
2013-12-23T20:52:13 < gxti> although i think fpga pretty much always wins on power assuming you use it correctly
2013-12-23T20:52:24 < Laurenceb_> dual int16_t, real and imaginary
2013-12-23T20:53:08 < Laurenceb_> well the swift nav board exists already
2013-12-23T20:53:25 < Laurenceb_> but its big and complex, not perfect for low end low power stuff
2013-12-23T20:53:47 < gxti> sure, it's worth exploring
2013-12-23T20:54:04 < mtbg> how much time does it take to cold start?
2013-12-23T20:54:08 < Laurenceb_> i was idly wondering if swift nav could be ported to use arm asm correlators
2013-12-23T20:54:15 < Laurenceb_> rather than the spartan3
2013-12-23T20:54:24 < Laurenceb_> mtbg: dunno ask
2013-12-23T20:54:27 < gxti> unfortunately i am DSP-challenged, shit makes no sense to me
2013-12-23T20:54:33 < gxti> downside to not going to school
2013-12-23T20:54:41 < Laurenceb_> fergusnoble is here :D
2013-12-23T20:55:04 < mtbg> I meant in your solution
2013-12-23T20:55:11 < mtbg> did you make some estimates or a test?
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2013-12-23T20:55:19 < Laurenceb_> oh itd need FFT initialiser
2013-12-23T20:55:26 < Laurenceb_> that can be ported from swift nav
2013-12-23T20:55:33 < Laurenceb_> they run on F40x already
2013-12-23T20:56:13 < Laurenceb_> id imagine seconds or less
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2013-12-23T20:56:35 < mtbg> so you are going to do it the right way
2013-12-23T20:56:48 < mtbg> I wonder if there is enough RAM for it
2013-12-23T20:57:07 < Laurenceb_> it doesnt take much ram
2013-12-23T20:57:16 < Laurenceb_> you only need a few k for this
2013-12-23T20:57:34 < Laurenceb_> lookup table to run correlators is <64kB, so would fit in CCM
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2013-12-23T21:08:05 < mtbg> Laurenceb_: what baseband IC are you using? could you show the board?
2013-12-23T21:09:57 < Laurenceb_> si4120
2013-12-23T21:10:12 < Laurenceb_> ive been doing testing with gige sampler
2013-12-23T21:10:16 < Laurenceb_> *sige
2013-12-23T21:10:42 < Laurenceb_> and f4discovery
2013-12-23T21:13:13 < Laurenceb_> https://www.sparkfun.com/products/10981
2013-12-23T21:15:12 < mtbg> nice, but that price is unjustified
2013-12-23T21:15:54 < Laurenceb_> yeah
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2013-12-23T21:54:21 < Laurenceb_> http://pastie.org/8572000
2013-12-23T21:54:45 < kuldeepdhaka> Hello, looking for stm32f373 or stm32f303 kicad library. anyone would like to share their work?
2013-12-23T21:55:39 < kuldeepdhaka> tried, building using http://kicad.rohrbacher.net/quicklib.php but showing error :(
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2013-12-23T22:45:02 < mtbg> why is everyone saying 120volts thats not what 90% of house's power is. It's 110volts but appliances like stoves, washers, and dryers have a 3 prong plug 2 positives and 1 negative which ups the power to 220volts. but the actual standard of power voltage is suppose to be 117/234 VAC just depends on how close your transformer is but they're usually set at a distance to provide 110/220 VAC
2013-12-23T22:45:08 < mtbg> oops
2013-12-23T22:45:22 < mtbg> wrong channel
2013-12-23T22:45:48 < enots> fail
2013-12-23T22:45:49 < mtbg> (it is a comment from youtube btw)
2013-12-23T22:46:46 < Laurenceb_> http://www.delfly.nl/explorer.html
2013-12-23T22:46:51 < Laurenceb_> i see stm32
2013-12-23T22:49:12 < Steffanx> that thing is nice, but totally overrated
2013-12-23T22:53:29 < Steffanx> and those uni projects are nice, but totally useless for the public
2013-12-23T22:54:20 < Steffanx> do you have access to the paper Laurenceb_?
2013-12-23T22:54:40 < Laurenceb_> with a pipe to the right network i would
2013-12-23T22:54:44 < Laurenceb_> too lazy atm
2013-12-23T22:54:57 < Laurenceb_> im guessing F4 with point tracking
2013-12-23T22:55:05 < Laurenceb_> wonder how they interface dual cameras
2013-12-23T22:55:22 < Laurenceb_> s/pipe/tunnel
2013-12-23T22:55:26 < Steffanx> yeah, but i guess they dont discuss that in the paper
2013-12-23T22:55:35 < Steffanx> i dont think i have still access to hte paper system stuff :(
2013-12-23T22:56:09 < Laurenceb_> anyone here used GASP?
2013-12-23T22:56:19 < Laurenceb_> im trying to create a simple loop
2013-12-23T22:59:48 < Laurenceb_>  .fail
2013-12-23T23:02:04 < Steffanx> oh, i can download some draft and use my less legal source to get the other papers :D
2013-12-23T23:03:07 < Steffanx> i love russia.
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2013-12-23T23:05:41 < mtbg> we all do
2013-12-23T23:06:03 < Steffanx> except for their low speed connections :(
2013-12-23T23:06:16 < Steffanx> 50kbyte/s is no fun
2013-12-23T23:06:57 < Steffanx> this is library genesis btw.. not sure how (il)legal that is
2013-12-23T23:15:16 < Thorn> completely illegal of course
2013-12-23T23:15:26 < Thorn> try bookfi.org for better speed
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2013-12-23T23:19:55 < Steffanx> legal in soviet russia, so legal for me :P
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2013-12-23T23:22:14 < Thorn> speaking of legality, this is what I get without a proxy http://blackhole.beeline.ru/?url=http%3A%2F%2Fbookfi%2Eorg%2F
2013-12-23T23:23:15 < Steffanx> lol
2013-12-23T23:24:21 < Thorn> the funny thing is it's blocked because of some "extremist" book rather than copyright violations iirc
2013-12-23T23:26:30 < Steffanx> oh, their first paper is useless anyway. It uses a "ground station" to do the math
2013-12-23T23:27:16 < Steffanx> *other paper
2013-12-23T23:35:05 < Laurenceb_> arg
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2013-12-23T23:35:10 < Laurenceb_> gasp is failing
2013-12-23T23:35:40 < Laurenceb_> or rather not running at all
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2013-12-23T23:40:34 < Laurenceb_> it doesnt like .ASSIGNA
2013-12-23T23:44:39 < Laurenceb_> does anyone even use gasp  ??
2013-12-23T23:49:48 < Laurenceb_> http://gcc.gnu.org/ml/gcc/2003-09/msg00978.html
2013-12-23T23:49:50 < Laurenceb_> RAGE WTF
2013-12-23T23:50:08 < gxti> hahaha
2013-12-23T23:50:11 < gxti> 2003.
2013-12-23T23:50:15 < Laurenceb_> how do i do asm macros????
2013-12-23T23:50:28 < Laurenceb_> python ?!
2013-12-23T23:50:37 < gxti> c preprocessor duh
2013-12-23T23:50:53 < Laurenceb_> hmf
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2013-12-23T23:51:03 < Laurenceb_> i dont think it can do complex looping??
2013-12-23T23:51:43 < Laurenceb_> just when i was thinking asm macros are fun and easy...
2013-12-23T23:52:10 < Laurenceb_> i have to write a hideous python mess
2013-12-23T23:54:03 < Laurenceb_> http://stackoverflow.com/questions/319328/writing-a-while-loop-in-the-c-preprocessor
2013-12-23T23:54:07 < Laurenceb_> what the fuuuuuuuuuuuuu
2013-12-23T23:54:34 < Laurenceb_> *brain explode*
2013-12-23T23:54:35 < gxti> yeah if you have to ask stack overflow how to do something in cpp you probably should ask yourself if it's worth it
2013-12-23T23:54:58 < gxti> then again, still better than make
2013-12-23T23:55:10 < gxti> you know you're having fun when you have to bust out the $(eval)
2013-12-23T23:55:56 < Laurenceb_> im trying to hardcode the satellites in a neat way
2013-12-23T23:56:05 < Laurenceb_> with gasp it would have been a few lines
2013-12-23T23:58:15 < Thorn> boost preprocessor is a valid suggestion
2013-12-23T23:58:35 < Laurenceb_> ok
2013-12-23T23:58:41 < Laurenceb_> will that be built in?
2013-12-23T23:58:41 < Thorn> there's also m4, it may have loops
2013-12-23T23:59:36 < zyp> yeah, let's break out horribly outdated tools
2013-12-23T23:59:38 < Thorn> however a python code generating script could turn out to be the prettiest solution
2013-12-23T23:59:54 < Laurenceb_> doesnt seem very pretty to me
--- Day changed Tue Dec 24 2013
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2013-12-24T00:21:13 < Steffanx> use mathlab to generate your crap Laurenceb_
2013-12-24T00:24:08 < Laurenceb_> haha
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2013-12-24T00:39:23 < Laurenceb_> what are the conditions on the use of r12 in asm routines?
2013-12-24T00:39:45 < zyp> what kind of conditions?
2013-12-24T00:40:22 < Laurenceb_> can i use it in asm?
2013-12-24T00:40:30 < Laurenceb_> what happens if an interrupt is called?
2013-12-24T00:40:40 < zyp> huh?
2013-12-24T00:40:41 < ds2> only while hopping on the right foot :D
2013-12-24T00:40:48 < zyp> what's special with r12?
2013-12-24T00:41:01 < Laurenceb_> maybe i was reading too much stackoverflow
2013-12-24T00:41:08 < Laurenceb_> someone called it "special register"
2013-12-24T00:41:10 < zyp> hmm, wat
2013-12-24T00:41:17 < Laurenceb_> along with PC, stack pointer and stuff
2013-12-24T00:41:18 < Laurenceb_> lol
2013-12-24T00:41:53 < zyp> I'm looking at my context switch code, doesn't look like I'm saving r13
2013-12-24T00:42:01 < zyp> wonder how that's working
2013-12-24T00:42:06 < Laurenceb_> heh
2013-12-24T00:43:27 < Laurenceb_> anyone used gprof with stm?
2013-12-24T00:44:03 < Laurenceb_> how does it work?
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2013-12-24T01:01:34 < zyp> ok, I'm dumb
2013-12-24T01:01:56 < zyp> looked over the code again, the register I'm not saving is the stack pointer itself
2013-12-24T01:02:07 < zyp> because saving stack pointer to stack is kinda pointless :p
2013-12-24T01:02:13 < emeb> heh
2013-12-24T01:02:29 < zyp> so anyway, r12 is usually frame pointer
2013-12-24T01:02:30  * emeb just caught up for the day
2013-12-24T01:02:56 < emeb> gps correlator on an stm32 - fun
2013-12-24T01:03:00 < zyp> I don't think it's treated special by hardware, but it's usually used as a frame pointer in software
2013-12-24T01:03:23 < zyp> it's a caller-save register like r0-r3
2013-12-24T01:03:50 < zyp> emeb, did I miss anything? I've been busy with family stuff all day
2013-12-24T01:04:24 < Laurenceb_> so if i push r12 to stack then restore its ok?
2013-12-24T01:04:27 < emeb> Laurenceb_ talking about running gps demodulation on an STM32, looking for optimized bit twiddles.
2013-12-24T01:04:47 < zyp> Laurenceb_, in what case?
2013-12-24T01:05:09 < zyp> Laurenceb_, it's caller save so in a function you can just use it like you want to
2013-12-24T01:05:15 < Laurenceb_> ah i see
2013-12-24T01:05:18 < Laurenceb_> ok nvm then
2013-12-24T01:05:19 < zyp> but any functions you call can overwrite it
2013-12-24T01:05:25 < Laurenceb_> yeah
2013-12-24T01:05:43 < Laurenceb_> so, on the topic of gprof..
2013-12-24T01:05:51 < emeb> zyp: you back up above the arctic circle for the holidays?
2013-12-24T01:05:52 < Laurenceb_> how do i save my gmon file?
2013-12-24T01:06:06 < zyp> emeb, yep, went up on saturday
2013-12-24T01:06:30 < emeb> party all night is a serious party this time of year.
2013-12-24T01:07:46 < Laurenceb_>  __gnu_mcount_nc  -> USART or SWO  ??
2013-12-24T01:09:47 < Laurenceb_> #define hooker(y) ((y)*(y))
2013-12-24T01:14:04 < Steffanx> hooker(laurenceb)
2013-12-24T01:14:39 < Steffanx> nah, too much laurenceb.
2013-12-24T01:16:17 < zyp> unless laurenceb < 1
2013-12-24T01:17:12 < Steffanx> :P
2013-12-24T01:17:44 < Laurenceb_> http://pastie.org/8572348
2013-12-24T01:20:09 < zyp> I bet a compiler would do a better job at register allocation than you :p
2013-12-24T01:20:38 < gxti> we told him that before but he's still doing wacky shit
2013-12-24T01:21:02 < zyp> I believe interleaving different registers would be faster than just reusing the same two in lots of consecutive instructions, due to pipelining effects
2013-12-24T01:21:38 < Laurenceb_> interesting
2013-12-24T01:21:58 < zyp> because that's supposedly why gcc are interleaving multiple operations when you build with optimizations
2013-12-24T01:22:07 < qyx_> lol repeat 128 times
2013-12-24T01:22:37 < Laurenceb_> no C preprocessor used
2013-12-24T01:23:00 < qyx_> hm, I and Q samples are just 1 bit wide?
2013-12-24T01:23:07 < qyx_> at 1.023MHz?
2013-12-24T01:23:27 < Laurenceb_> 4.096
2013-12-24T01:23:37 < Laurenceb_> PRN code is 1.023
2013-12-24T01:24:00 < Laurenceb_> but yeah, 1 bit samples
2013-12-24T01:24:13 < Laurenceb_> the 4bit samples version is only slightly slower
2013-12-24T01:24:21 < Laurenceb_> as popcount is slow on arm
2013-12-24T01:24:27 < qyx_> is it enough?
2013-12-24T01:24:43 < Laurenceb_> yes, unless you have strong narrowband interference
2013-12-24T01:24:58 < Laurenceb_> it works in matlab with sige sampler plugged into my laptop
2013-12-24T01:25:20 < qyx_> so analog frontend is not that hard and complicated
2013-12-24T01:27:04 < Steffanx> Just curious Laurenceb_, you like a lot of work or is it just for the experience? I mean why you didnt even try it it c?
2013-12-24T01:28:44 < Laurenceb_> c would be slowwww
2013-12-24T01:28:57 < Laurenceb_> but this is also a fun way to learn asm too :D
2013-12-24T01:29:28 < Steffanx> You didnt even try ;)
2013-12-24T01:29:54 < Laurenceb_> http://i.imgur.com/20kYU1U.png
2013-12-24T01:30:00 < Laurenceb_> plugged into my usb port
2013-12-24T01:30:08 < zyp> maybe I should rewrite it in C++, and then benchmark it
2013-12-24T01:30:18 < Laurenceb_> narrow band is not nearly strong enough to block it
2013-12-24T01:30:34 < Laurenceb_> but it isnt unknown for 1bit to have issues
2013-12-24T01:30:46 < zyp> could be interesting to see really how huge the speed difference between assembly and C++ is
2013-12-24T01:30:50 < gxti> rofl Laurenceb_
2013-12-24T01:31:11 < qyx_> whats the x axis
2013-12-24T01:31:12 < gxti> haven't even tried, but you spend hours searching for dead gnu assemblers so you can macro your unnecessary crap
2013-12-24T01:31:17 < Laurenceb_> area under the peaks << total area under the curve
2013-12-24T01:31:27 < Laurenceb_> tolol
2013-12-24T01:31:37 < Laurenceb_> qyx_: weird frequency units
2013-12-24T01:31:38 < qyx_> i mean in what units
2013-12-24T01:31:42 < Laurenceb_> its just raw matlab
2013-12-24T01:31:58 < Laurenceb_> well its 4.09Mhz across the bottom
2013-12-24T01:36:01 < emeb> Laurenceb_: how many parallel correlators?
2013-12-24T01:36:24 < Laurenceb_> twenty something on F4
2013-12-24T01:36:34 < Laurenceb_> depends on the tracking code
2013-12-24T01:36:37 < Laurenceb_> up to 25
2013-12-24T01:37:28 < emeb> and each one is running early/prompt/late?
2013-12-24T01:39:02 < Laurenceb_> yes
2013-12-24T01:39:08 < emeb> not bad
2013-12-24T01:39:13 < ds2> emeb: FOSS GPS correlator?
2013-12-24T01:40:40 < emeb> ds2: Dunno what the license is - Laurenceb_ is working on it atm.
2013-12-24T01:42:01 < Laurenceb_> heh
2013-12-24T01:42:07 < Laurenceb_> its free as in beer
2013-12-24T01:42:27 < Laurenceb_> one issue is the data, it needs preprocessing into I and Q words
2013-12-24T01:42:34 < zyp> free as in «use it if you dare»
2013-12-24T01:42:38 < Laurenceb_> thats pretty trivial, and only has to be done once
2013-12-24T01:42:55 < Laurenceb_> but i thinkit needs dual streams, one offset by a byte
2013-12-24T01:43:07 < Laurenceb_> s/byte/nibble
2013-12-24T01:43:29 < Laurenceb_> dual correlator tables may work, but thats 128kB, so bigger than CCM
2013-12-24T01:44:27 < Laurenceb_> zyp: yes theres a secret fry_core instruction hiding in there :-D
2013-12-24T01:45:14 < ds2> Laurenceb_: are you in the US?
2013-12-24T01:45:18 < Laurenceb_> no, UK
2013-12-24T01:45:32 < ds2> are UK citizens allow to publish GPS code?
2013-12-24T01:45:39 < Laurenceb_> haha
2013-12-24T01:45:42 < Laurenceb_> yeah its ok for us
2013-12-24T01:45:56 < ds2> oh nifty
2013-12-24T01:45:58 < Laurenceb_> http://swift-nav.com/
2013-12-24T01:46:10 < ds2> so that can turn the HackRF board into a GPS?
2013-12-24T01:46:20 < emeb> ds2: is anyone barred from publishing GPS-related stuff?
2013-12-24T01:46:30 < ds2> emeb: I thought there are ITAR issues with that
2013-12-24T01:46:47 < Laurenceb_> also
2013-12-24T01:46:48 < Laurenceb_> http://www.aholme.co.uk/GPS/Main.htm
2013-12-24T01:46:58 < Laurenceb_> http://www.aholme.co.uk/GPS/BIG/Big_System.jpg
2013-12-24T01:47:03 < ds2> maybe if it is FOSS, the exemptions apply
2013-12-24T01:47:13 < emeb> ds2: I'd imagine so
2013-12-24T01:47:21 < Laurenceb_> bbl
2013-12-24T01:47:31 < ds2> are those RF cans for 1.5GHz?!
2013-12-24T01:48:48 < emeb> shielded inductors
2013-12-24T01:48:58 < ds2> but they look huge for 1.5GHz
2013-12-24T01:49:03 < emeb> for the IF amplifier chain - not at 1.5GHz
2013-12-24T01:49:06 < ds2> I have seen 455KHz cans about that size
2013-12-24T01:49:20 < ds2> or maybe they were 10.7MHz
2013-12-24T01:49:22 < emeb> 22.6MHz
2013-12-24T01:49:29 < ds2> ah
2013-12-24T01:49:39 < emeb> schematic at the link above...
2013-12-24T01:50:20 < ds2> on the swift-nav page?
2013-12-24T01:52:01 < ds2> found it
2013-12-24T01:52:44 < ds2> looks complex
2013-12-24T01:52:52 < emeb> not so bad.
2013-12-24T01:53:17 < emeb> basic idea is pretty simple - LNA Filter Amp Mixer Amp Limiter.
2013-12-24T01:53:45 < ds2> saw the FPGA
2013-12-24T01:53:53 < emeb> fun stuff is in the FPGA & software.
2013-12-24T01:54:15 < ds2> <-- was looking at regenerative tube receivers just after lunch
2013-12-24T01:54:20 < ds2> kind of a bad contrast ;)
2013-12-24T01:54:22 < emeb> could easily do all that processing with my BBB FPGA board. :)
2013-12-24T01:54:49 < ds2> what's the FPGA doing?
2013-12-24T01:54:56 < emeb> correlators
2013-12-24T01:55:12 < ds2> couldn't that be done on a DSP?
2013-12-24T01:55:21 < emeb> sure
2013-12-24T01:55:29 < ds2> i.e. the DSP on the BBC
2013-12-24T01:55:32 < emeb> Laurenceb_ is betting it can be done in an STM32
2013-12-24T01:55:44 < emeb> what DSP would that be?
2013-12-24T01:56:12 < ds2> not sure off hand... it is fixed point I think
2013-12-24T01:56:32 < ds2> which STM32? the M3 ones?
2013-12-24T01:57:05 < emeb> ds2: only the old OMAP Beagleboards had a DSP.
2013-12-24T01:57:12 < ds2> yes, the BBC
2013-12-24T01:57:18 < ds2> Beagle Board Classic
2013-12-24T01:57:25 < ds2> or the BBX - beagle board xm
2013-12-24T01:57:27 < emeb> ah
2013-12-24T01:57:40 < ds2> (vs BBB - Beagle board black or BBW - Beagle board white)
2013-12-24T01:57:41 < emeb> not up to speed on your lingo. :)
2013-12-24T01:57:47 < ds2> reducing it all to TLA's
2013-12-24T01:58:02 < gxti> lol, bbw
2013-12-24T01:58:14 < emeb> Yeah - the OMAP ones have a DSP coprocessor. Don't know many folks who actually ever used them though.
2013-12-24T01:58:29 < ds2> for stock stuff, that DSP is used quite a bit
2013-12-24T01:58:37 < ds2> stock == video/audio decoding
2013-12-24T01:59:04 < ds2> but if it can be done on a M3, you can ditch the FPGA on the BBB
2013-12-24T01:59:11 < ds2> there is a M3 you can use on there
2013-12-24T02:00:08 < emeb> don't recall what the clock speed of the M3 on the BBB is
2013-12-24T02:00:24 < ds2> it isn't very fast as it's goal is power management
2013-12-24T02:00:37 < emeb> probably not fast enough then.
2013-12-24T02:00:54 < emeb> don't even know how you access it from the main processor...
2013-12-24T02:01:04 < ds2> it is a simple download...
2013-12-24T02:01:13 < ds2> the code for power management shows how it is done
2013-12-24T02:02:51 < emeb> ISTR someone saying that the OMAPs on the original Beagleboard and XM have something like four or five hidden ARM cores floating around.
2013-12-24T02:03:01 < emeb> Not well documented...
2013-12-24T02:03:15 < ds2> more then that
2013-12-24T02:03:20 < emeb> lol
2013-12-24T02:03:30 < ds2> the other omaps have even more ;)
2013-12-24T02:03:49 < emeb> crunch all you want - TI'll make more!
2013-12-24T02:04:14 < ds2> the real question is - will TI tell you how to use them
2013-12-24T02:04:29 < emeb> exactly
2013-12-24T02:04:43 < ds2> wonder if you can offload/share between the PRUSS and the M3 on the BBB
2013-12-24T02:04:44 < emeb> undocumented features may as well not exist
2013-12-24T02:04:55 < ds2> that'll give you 4 cores to work with on the BBB
2013-12-24T02:04:59 < emeb> ya
2013-12-24T02:06:22 < emeb> ds2: I've been doing some work with this lately: http://www.terasic.com.tw/cgi-bin/page/archive.pl?Language=English&CategoryNo=167&No=816
2013-12-24T02:06:32 < emeb> dual A9 + FPGA on one die.
2013-12-24T02:06:54 < ds2> that sounds like the microsemi stuff
2013-12-24T02:07:28 < emeb> a bit more powerful. the FPGA fabric has a lot of stuff in it - lots of DSP / MAC cores + SRAM
2013-12-24T02:07:50 < ds2> ah
2013-12-24T02:07:56 < ds2> suitable for battery operation?
2013-12-24T02:08:28 < emeb> probably not
2013-12-24T02:08:28 < emeb> unless it was a big battery...
2013-12-24T02:08:28 < emeb> or you did some serious power management
2013-12-24T02:08:59 < qyx_> ah they are doing IQ downmixing from IF directly on fpga
2013-12-24T02:09:00 < ds2> oh :(
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2013-12-24T02:11:41 < emeb> qyx_: hard to say - the text description suggests that all the FPGA is doing is 22.6MHz -> 2.6MHz conversion via simple undersampling.
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2013-12-24T02:11:58 < emeb> the final 2.6MHz -> baseband is done in software.
2013-12-24T02:13:06 < emeb> kinda wonder why they even needed the FPGA if that's all it's doing. Could have gotten by with a D flip-flop...
2013-12-24T02:13:27 < emeb> maybe for the memory buffering...
2013-12-24T02:14:03 < ds2> maybe the FPGA is configured as a giant D flip-flop
2013-12-24T02:14:22 < emeb> kinda looks like it from the diagrams in the text... :)
2013-12-24T02:14:30 < qyx_> i mismatched the boxes
2013-12-24T02:14:40 < qyx_> yes, theres only flipflop on the fpga
2013-12-24T02:14:47 < qyx_> iq downmixing is in software
2013-12-24T02:15:22 < qyx_> also they say there's n-frac pll on it
2013-12-24T02:16:02 < emeb> aha - the LO for the front end
2013-12-24T02:17:01 < emeb> oh - the FPGA does have tracking loops, but the software side does the acquisition.
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2013-12-24T09:22:25 < Thorn> lol http://www.beis.de/Elektronik/DeltaSigma/DeltaSigma.html and http://www.beis.de/Elektronik/DeltaSigma/SigmaDelta.html
2013-12-24T09:25:00 < GargantuaSauce_> he didn't edit the images
2013-12-24T09:25:08 < GargantuaSauce_> i am unimpressed
2013-12-24T09:30:40 < GargantuaSauce_> http://xn--d-bga.su/psh.gif this animation should elucidate the process
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2013-12-24T10:20:36 < Robint91> hi all
2013-12-24T10:29:00 < qyx_> 50C/W junction to ambient doesn't look good :/
2013-12-24T10:31:40 < Robint91> indeed that doesn't look good
2013-12-24T10:36:23 < GargantuaSauce_> sounds like a reasonably good insulator to me
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2013-12-24T14:21:21 < GargantuaSauce_> http://www.theregister.co.uk/2013/12/24/torvalds_linux_devs_may_cry_into_our_lonely_beers_at_christmas/
2013-12-24T14:21:29 < GargantuaSauce_> thanks theregister
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2013-12-24T14:38:14 < Steffanx> Go away with your linux GargantuaSauce_.
2013-12-24T14:38:19 < Steffanx> *linus
2013-12-24T14:39:26 < Steffanx> I never understood why the linux guys still accept this crap-talk.
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2013-12-24T14:42:30 < GargantuaSauce_> because the community is the same from the top to the bottom?
2013-12-24T14:43:18 < GargantuaSauce_> and obviously vitriol has its downsides but....all in all it seems to be working fairly well
2013-12-24T14:45:38 < Steffanx> No, i think it's because he's a god.. at least for some people.
2013-12-24T14:48:04 < GargantuaSauce_> perhaps...i am under the impression that the respect he commands is hard-earned though
2013-12-24T14:49:14 < GargantuaSauce_> in any case he's just one dude, and anyone else could joke that linux devs are lonely basement dwellers
2013-12-24T14:49:20 < GargantuaSauce_> because stereotypes are funny!
2013-12-24T14:50:53 < Steffanx> " the respect he commands is hard-earned though" :D LOL
2013-12-24T14:51:15 < PaulFertser> Steffanx: why would anyone care about talk when the code's good enough? I remember Sarah from intel complained loudly about something but it was actually her xhci driver that sucked (and still sucks).
2013-12-24T14:52:46 < Steffanx> " why would anyone care about talk when the code's good enough" uh what?
2013-12-24T14:53:21 < Robint91> Steffanx, GargantuaSauce_ are we talking about dongs?
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2013-12-24T14:53:30 < Steffanx> No.
2013-12-24T14:54:28 < PaulFertser> Steffanx: I mean it's true Linus is somewhat rude but he does nice job himself, and his comments are always valueable. So I consider his "rude way" of expressing his opinions to be unimportant and so it can be easily ignored.
2013-12-24T14:54:46 < Steffanx> Oh, meh. Why i can't think like you.
2013-12-24T14:54:50 < Steffanx> *?
2013-12-24T14:55:21 < PaulFertser> Not thick-skinned enough?
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2013-12-24T14:57:02 < Steffanx> Or because you are just one of thise who acecpted it.
2013-12-24T14:57:13 < Steffanx> Anyway, not worth the words/discussion.
2013-12-24T14:58:35 < PaulFertser> I've to admit he never offended me personally :) I sometimes call my friend "you, stupid" but it's obvious for both of us I never really mean it or have an intention to cause any harm.
2013-12-24T15:03:37 < Laurenceb_> http://www.theregister.co.uk/2013/12/24/torvalds_linux_devs_may_cry_into_our_lonely_beers_at_christmas/
2013-12-24T15:04:33 < BrainDamage> old
2013-12-24T15:04:34 < Steffanx> lol Laurenceb_ thats what all this started with ;)
2013-12-24T15:05:02 < BrainDamage> you're supposed to condense the answer to a meaningless 1-word sentence
2013-12-24T15:05:17 < BrainDamage> lern2irc
2013-12-24T15:05:19 < Laurenceb_> fail
2013-12-24T15:05:44 < Laurenceb_> linus is a master troll
2013-12-24T15:06:14 < Steffanx> BrainDamage, i actually did start to write "OLD", but decided not to press enter after it.
2013-12-24T15:06:54 < Steffanx> dongs = linus .. ?
2013-12-24T15:07:11 < Laurenceb_> haha
2013-12-24T15:07:18 < Steffanx> second life and stuff
2013-12-24T15:09:38 < GargantuaSauce_> i am pretty sure we already covered this
2013-12-24T15:09:48 < GargantuaSauce_> the true nature of dongs' secret identity is obviously rms
2013-12-24T15:10:36 < Laurenceb_> im banned from the local hackspace for trolling RMS irl
2013-12-24T15:10:56 < PaulFertser> Laurenceb_: how did you do that?
2013-12-24T15:10:58 < GargantuaSauce_> you have done well
2013-12-24T15:11:06 < Laurenceb_> i asked why hurd wasnt ready yet
2013-12-24T15:11:34 < Laurenceb_> and suggested he should try doing some work
2013-12-24T15:12:00 < GargantuaSauce_> Due to the state of microkernel technology, the doubly recursive acronym is sometimes referred to by experts as the most interesting feature of GNU Hurd.
2013-12-24T15:12:29 < BrainDamage> isn't osx microkernel?
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2013-12-24T15:12:44 < GargantuaSauce_> that fantastic troll has been on its wiki page for years
2013-12-24T15:13:28 < GargantuaSauce_> and no, osx is somewhere in between iirc
2013-12-24T15:13:45 < BrainDamage> so it's hybrid like every other kernel around
2013-12-24T15:14:36 < GargantuaSauce_> isnt linux's strictly monolithic
2013-12-24T15:15:01 < BrainDamage> not from the strict sense
2013-12-24T15:15:02 < Laurenceb_> dont daemons make it microkernel like?
2013-12-24T15:15:04 -!- Viper168 [~Viper@unaffiliated/viper168] has quit [Ping timeout: 246 seconds]
2013-12-24T15:15:08 < GargantuaSauce_> i guess they sort of do
2013-12-24T15:15:31 < BrainDamage> for instance it can delegate FS operations to userspace with fuse
2013-12-24T15:15:46 < PaulFertser> Also, FUSE; plenty of devices that use libusb-based drivers etc.
2013-12-24T15:16:42 < BrainDamage> http://www.archhurd.org/ top 2 news are reassurances how the project's not dead :J
2013-12-24T15:16:54 < GargantuaSauce_> guess it just depends on where you draw the lines in the sand as to what software falls under what umbrella
2013-12-24T15:17:03 < Laurenceb_> So, what’s the point ?
2013-12-24T15:17:12 < Laurenceb_> i lolled
2013-12-24T15:17:50 < BrainDamage> a real microkernel is supposed to be more robust from a statistical standpoint
2013-12-24T15:17:56 < Laurenceb_> As you can see, there is no activity on our website since 2011.
2013-12-24T15:17:59 < Laurenceb_> lolzerz
2013-12-24T15:18:07 < GargantuaSauce_> it's arguable that since the kernel can drive a functional system without any of the above they could be considered extraneous and the kernel monolithic
2013-12-24T15:18:41 < GargantuaSauce_> and i cannot hope to pass up this opportunity to point out that fuse is ridiculously slow
2013-12-24T15:18:55 < BrainDamage> well, that's the reason why microkernel sucks
2013-12-24T15:19:02 < BrainDamage> the performance overhead is insane
2013-12-24T15:20:25 < BrainDamage> perchè in quel caso dovresti spiegare un pò I termini
2013-12-24T15:21:16 < GargantuaSauce_> i prefer to be pedantic in discussions based on a difference in semantical interpretations of terms
2013-12-24T15:21:28 < GargantuaSauce_> this is the highest form of discourse
2013-12-24T15:21:46 < BrainDamage> damn wrong chat for last line
2013-12-24T15:21:53 < GargantuaSauce_> still fits nicely
2013-12-24T15:22:00 < PaulFertser> Qubes OS is an interesting project that promises all the nice things ukernels were supposed to deliver.
2013-12-24T15:22:48 < Laurenceb_> Pubes OS
2013-12-24T15:23:00 < Laurenceb_> is it lice?
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2013-12-24T15:25:54 < PaulFertser> Laurenceb_: nope, just read about it, that's a unique project.
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2013-12-24T15:32:43 < Tectu> do you know that feeling when you need something from a local hardware store to continue your project but you're actually too lazy to get up and out the house?
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2013-12-24T15:33:51 < Steffanx> No.
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2013-12-24T16:34:48 < qyx_> when i was 15 i started to learn microcontrollers on this thing
2013-12-24T16:34:53 < qyx_> http://imgur.com/a/w5dw8
2013-12-24T16:35:58 < qyx_> great soldering skills
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2013-12-24T17:11:26 < Steffanx> At least is started with AVR :)
2013-12-24T17:12:33 < Steffanx> How long ago is "when i was 15" qyx_?
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2013-12-24T17:15:25 < BrainDamage> yesterday
2013-12-24T17:16:56 < kuldeepdhaka> lol BrainDamage nick describe much about him :p
2013-12-24T17:19:21 < Steffanx> You couldn't be wrong more.
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2013-12-24T17:54:40 < qyx_> Steffanx: it is 68hc11, 10y ago
2013-12-24T18:06:17 < karlp> that was one of my first micros too
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2013-12-24T21:22:09 < emeb> trolls all hibernating for christmas eve?
2013-12-24T21:23:17 < Thorn> #%&@% I have two unconnected ground nets in a project again
2013-12-24T21:23:30 < emeb> How the hell does that happen?
2013-12-24T21:23:39 < gxti> just declare them to be equal by edict of law, problem solved
2013-12-24T21:23:48 < emeb> virtual grounds?
2013-12-24T21:25:24 < Thorn> I tried to do two boards in one dicktrace project before. the fallout from that is still radioactive
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2013-12-24T21:26:50 < emeb> diptrace. *sigh*
2013-12-24T21:27:44 < Thorn> net ports have their own names, unrelated to actual nets
2013-12-24T21:28:03 < Thorn> can be GND but connected to Net 14
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2013-12-24T21:30:31 < emeb> yeah. I've seen some weird stuff with net naming too.
2013-12-24T21:30:47 < Steffanx> Why you do that Thorn?
2013-12-24T21:30:55 < emeb> suddenly the other day a whole bunch of nets that were assigned to pins on a part just disappeared...
2013-12-24T21:31:51 < zyp> heh
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2013-12-24T21:57:58 < ds2> It 'as the night before Christmas... not even a troll was stirring....
2013-12-24T21:58:28 < ds2> virtual ground? couldn't you throw an op-amp in there and do that? :D
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2013-12-24T22:09:30 < emeb> zyp: did you ever get anything from that parallax KS?
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2013-12-24T22:39:35 < Steffanx> emeb probably means that parallella?
2013-12-24T22:39:38 < Steffanx> *-that
2013-12-24T22:40:28 < emeb> oops - yes.
2013-12-24T22:40:28 < emeb> not parallax propeller crud. :)
2013-12-24T22:41:37 < Steffanx> Oh, the boards are actually shipping now
2013-12-24T22:42:14 < Steffanx> I guess they worked hard the last two months.
2013-12-24T22:43:47 < emeb> the reason I asked is that a guy over on the beagle channels says he was in on that KS and never got a board.
2013-12-24T22:44:19 < Steffanx> That guy doesnt read the updates i guess?
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2013-12-24T23:06:16 < Thorn> dicktrace has just placed a via inside a through hole
2013-12-24T23:06:45 < Laurenceb_> lol
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--- Day changed Wed Dec 25 2013
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2013-12-25T00:20:51 < zyp> emeb, they are ramping up production now, supposedly
2013-12-25T00:21:07 < zyp> first 250 boards or what it was just finished and went out to backers
2013-12-25T00:21:32 < emeb> aha
2013-12-25T00:21:41 < emeb> so, the shouting isn't over yet...
2013-12-25T00:21:44 < zyp> and I'm backer some-thousand, so I'm not first in line
2013-12-25T00:21:53 < Steffanx> Actually that is pretty good news after the bad news somewhere in october
2013-12-25T00:21:57 < zyp> of course, it was supposed to ship in may
2013-12-25T00:22:17 < emeb> delay seems to be the order of the day
2013-12-25T00:22:38 < Steffanx> At least they post updates on ks
2013-12-25T00:22:41 < emeb> I pre-ordered one of those Zybo Zynq boards from Digilent back in Sept.
2013-12-25T00:22:56 < zyp> what zynq is on them?
2013-12-25T00:23:04 < emeb> 7010
2013-12-25T00:23:05 < emeb> The schedule has slipped several times and the price has gone up.
2013-12-25T00:23:11 < zyp> oh
2013-12-25T00:23:21 < emeb> now looking at mid-Feb delivery. If it doesn't slip again.
2013-12-25T00:23:24 < zyp> I thought digilent were pretty serious
2013-12-25T00:23:29 < emeb> Me too.
2013-12-25T00:23:44 < Steffanx> perhaps digilent is, but one of their suppliers isn't?
2013-12-25T00:24:09 < emeb> Now there's a new version of the Zedboard coming out
2013-12-25T00:24:16 < emeb> the microzed - $199.
2013-12-25T00:24:27 < emeb> but that's not in stock either.
2013-12-25T00:24:35 < zyp> sort-of expensive
2013-12-25T00:24:40 < emeb> yeah
2013-12-25T00:24:56 < Steffanx> Isn't that board you already have also pretty expensive?
2013-12-25T00:24:57 < zyp> it's interesting then that the KS-parallella will ship with 7020 at $99
2013-12-25T00:25:06 < emeb> yes
2013-12-25T00:25:30 < zyp> then again it'll probably be almost a year late
2013-12-25T00:25:31 < zyp> :p
2013-12-25T00:25:37 < emeb> that's actually about the same price as a bare 7020 in small qty
2013-12-25T00:25:58  * emeb wonders if Xilinx cut them some sort of subsidized deal
2013-12-25T00:25:59 < Steffanx> And you dont have to solder the bga yourself ;)
2013-12-25T00:26:08 < emeb> bonus!
2013-12-25T00:26:40 < zyp> still wonder whether the epiphany thing can be useful
2013-12-25T00:27:15 < Steffanx> Do you really care if its not? The zynq looks nice.
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2013-12-25T00:27:30 < zyp> maybe it could be used for SDR
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2013-12-25T00:27:42 < emeb> I've been working with an Altera Cyclone V SoC for a few days now:
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2013-12-25T00:28:03 < emeb> http://www.terasic.com.tw/cgi-bin/page/archive.pl?Language=English&CategoryNo=167&No=816
2013-12-25T00:28:19 < emeb> similar to Zynq - dual core A9 + FPGA fabric on one chip.
2013-12-25T00:28:30 < emeb> runs Yocto Poky Linux.
2013-12-25T00:28:34 < zyp> :)
2013-12-25T00:28:38 < zyp> what's the project?
2013-12-25T00:28:46 < emeb> day job - SDR. :)
2013-12-25T00:28:53 < zyp> ah
2013-12-25T00:29:14 < emeb> that HSMC connector on the right side of the board hooks to a fast ADC /DAC card...
2013-12-25T00:29:17 < zyp> I'm tempted to play a bit with FPGAs again
2013-12-25T00:29:41 < emeb> it's pretty fun.
2013-12-25T00:30:05 < zyp> discussed a possible project with a friend, we were talking about making an ATAPI-device
2013-12-25T00:30:15 < Steffanx> Why board like that still come with vga?
2013-12-25T00:30:20 < Steffanx> *boards
2013-12-25T00:30:29 < zyp> because vga is easy to do
2013-12-25T00:30:49 < zyp> I'm tempted to hook up vga to the f429
2013-12-25T00:30:57 < emeb> Most of then Digilent cards have HDMI these days.
2013-12-25T00:31:03 < emeb> Zybo will...
2013-12-25T00:31:28 < zyp> the lcd controller in f429 should be able to generate vga, you just need dacs on the rgb signals
2013-12-25T00:31:35 < emeb> ya
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2013-12-25T00:31:42 < emeb> and rgb dacs are cheap
2013-12-25T00:32:10 < zyp> could even do a resistor ladder if you only need a few colors
2013-12-25T00:32:11 < zyp> :p
2013-12-25T00:32:55 < emeb> I've seen that done!
2013-12-25T00:33:06 < emeb> I think one of the low-end Digilent boards does that - 3-bits/color
2013-12-25T00:33:19 < scrts> that Cyclone V is HUGE...
2013-12-25T00:33:28 < emeb> Size-wise?
2013-12-25T00:33:39 < scrts> 110k LEs for FPGA is a lot..
2013-12-25T00:33:39 < emeb> or capability?
2013-12-25T00:33:47 < scrts> for 299usd..
2013-12-25T00:33:49 < emeb> Yes - there's a lot of room in it.
2013-12-25T00:34:05 < scrts> I got Cyclone III 120k LEs for 1500USD
2013-12-25T00:34:14 < emeb> Heh - progress.
2013-12-25T00:34:15 < scrts> that devkit..
2013-12-25T00:34:40 < zyp> spend the free area on bitcoin mining
2013-12-25T00:34:46 < emeb> meh
2013-12-25T00:34:50 < zyp> :p
2013-12-25T00:34:57  * emeb will be glad when that's over
2013-12-25T00:35:01 < Steffanx> sounds like a waste of time.. my speciality
2013-12-25T00:35:04 < jpa-> you could get pretty decent VGA on any STM32 with just DMA + GPIO
2013-12-25T00:35:54 < qyx_> not enough memory :/
2013-12-25T00:35:58 < zyp> why do that when you have a module that will handle all the timing for sync/blank pulses?
2013-12-25T00:36:10 < jpa-> why do VGA anyway.. :P
2013-12-25T00:36:20 < emeb> Ever seen that composite video stuff that rossum did on an Atmel?
2013-12-25T00:36:42 < emeb> generates NTSC on-the-fly, line-by-line from a display list.
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2013-12-25T00:37:23 < emeb> so you get a full hi-res display w/ only a few kB of memory...
2013-12-25T00:37:30 < emeb> but a lot of processor cycles.
2013-12-25T00:38:06 < jpa-> yeah.. i wish that there was a good, efficient display list library
2013-12-25T00:38:30 < jpa-> it should be possible to do smart bounding boxes & region selection & caching to make it fast
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2013-12-25T00:42:48 < Steffanx> dongs is on holiday, we no have to do with timemob?
2013-12-25T00:42:51 < Steffanx> *now
2013-12-25T00:43:01 < timemob> yes
2013-12-25T00:43:40 < Steffanx> I wish you a happy xmas!
2013-12-25T00:44:20 < timemob> is it that time
2013-12-25T00:44:41 < timemob> I fucking hate this time of year cuz I can't get anything done
2013-12-25T00:46:55 < qyx_> did anyone try those black ceramic heatsinks?
2013-12-25T00:47:25 < qyx_> http://sk.farnell.com/amec-thermasol/mpc222225t/heat-sink-ceramic-22-22-2-5-std/dp/1892474
2013-12-25T00:47:33 < zyp> timemob, then you have that part where nobody expects you to get anything done either, that one is kinda nice
2013-12-25T00:47:52 < timemob> I wish that was the case
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2013-12-25T01:00:24 < timemob> BTW your shit was posted
2013-12-25T01:00:37 < timemob> ems. tracking is somewhere at office
2013-12-25T01:04:01 < zyp> ok
2013-12-25T01:04:12 < zyp> I'm in the other end of the country now
2013-12-25T01:04:17 < zyp> so there's no hurry :p
2013-12-25T01:11:06 < timemob> yep
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2013-12-25T07:45:10 < emeb_mac> R2COM: working on an SDR system - consists of a Beaglebone Black driving a Xilinx Spartan 6 FPGA, connected to an Analog Devices RF codec and Analog Device PLL plus Mini-Circuits amps & mixers.
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2013-12-25T07:45:47 < emeb_mac> two frequency ranges - HF from 0.1MHz - 35MHz and VHF/UHF from 45MHz - 500MHz.
2013-12-25T07:45:52 < emeb_mac> TX and RX
2013-12-25T07:46:25 < emeb_mac> 10-bit 80MSPS ADC, 10-bit 160MHz DAC
2013-12-25T07:46:45 < upgrdman> i want to use the MCO feature to look at the HSI frequency on a GPIO of my stm32f0. its on a board where that pin is driving the base of a transistor. will the extra load effect the frequency, or just the voltage of the waveform?
2013-12-25T07:46:50 < emeb_mac> http://beagleboard.org/products/beaglebone%20black
2013-12-25T07:47:32 < gxti> upgrdman: hopefully neither
2013-12-25T07:47:41 < upgrdman> ok
2013-12-25T07:47:42 < emeb_mac> AD9865
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2013-12-25T07:48:22 < emeb_mac> Here's the FPGA board: http://ebrombaugh.studionebula.com/embedded/bcc_s6/index.html
2013-12-25T07:49:09 < emeb_mac> yeah - the AD9865 is just the ADC/DAC plus some RF amps & signal conditioning
2013-12-25T07:49:26 < emeb_mac> outside will be mixers, PLLs, switches and amps
2013-12-25T07:49:36 < emeb_mac> not using external adc/dac
2013-12-25T07:49:42 < emeb_mac> that part is it
2013-12-25T07:49:58 < emeb_mac> we're not using the same meaning of codec here.
2013-12-25T07:50:30 < emeb_mac> I mean it as combined adc/dac in one chip.
2013-12-25T07:50:40 < emeb_mac> aka mixed-signal analog front-end
2013-12-25T07:51:12 < emeb_mac> R2COM: could be - depends on what you load into the FPGA
2013-12-25T07:52:08 < emeb_mac> I've got a working design for a digital downconverter / AM demod now that takes less than 1/2 the FPGA, so there's room for the TX digital upconverter too
2013-12-25T07:52:41 < emeb_mac> that's for AM voice-band stuff
2013-12-25T07:53:03 < emeb_mac> but if you want to do digital modulations like DRM, etc that could also work
2013-12-25T07:53:39 < emeb_mac> front end is just one mixer - 45-500 down to ~20MHz IF
2013-12-25T07:53:52 < emeb_mac> wideband PLL
2013-12-25T07:55:20 < emeb_mac> mini-circuts PSA-xxx (< 1dB NF)
2013-12-25T07:56:31 < emeb_mac> yep
2013-12-25T07:56:48 < emeb_mac> indeed
2013-12-25T07:57:06 < emeb_mac> it's a fairly capable part.
2013-12-25T07:57:23 < emeb_mac> good PGA on the RX input w/ plenty of gain range.
2013-12-25T07:57:39 < emeb_mac> ya - TX output can go to reasonably high power.
2013-12-25T07:57:58 < emeb_mac> I think it's intended as an ADSL line driver type thing...
2013-12-25T07:58:43 < emeb_mac> not for broadcast, no.
2013-12-25T07:58:59 < emeb_mac> we've got a couple additional gain stages after.
2013-12-25T07:59:26 < emeb_mac> get it up to +20dBm - enough for QRP, or for transverters.
2013-12-25T08:00:25 < emeb_mac> it's really only good up to ~35MHz
2013-12-25T08:04:19 < emeb_mac> you mean undersampling?
2013-12-25T08:04:54 < emeb_mac> for capturing repetitive waveforms?
2013-12-25T08:05:11 < emeb_mac> right - like in cheap scopes.
2013-12-25T08:06:56 < emeb_mac> depends on the bandwidth I guess
2013-12-25T08:08:59 < upgrdman> hehe   http://i.imgur.com/clxSwmil.jpg
2013-12-25T08:10:17 < gxti> ok figured out why linking in _printf_float makes my program crash. it's trying to call malloc() to make some structure for reentrant-safe shenanigans.
2013-12-25T08:10:26 < upgrdman> R2COM: not my pic
2013-12-25T08:10:29 < emeb_mac> I think it might be hard to fiddle with the clock edges on the 9865 - it has an internal PLL that might not react well...
2013-12-25T08:10:52 < upgrdman> R2COM: from http://www.reddit.com/r/WTF/comments/1tnat7/coworker_and_his_familys_christmas_card/
2013-12-25T08:12:28 < gxti> guess i should give this POS a heap
2013-12-25T08:14:51 < upgrdman> R2COM: ok, heres santa  http://i.imgur.com/7YL1e82.jpg
2013-12-25T08:20:12 < emeb_mac> gxti: interesting - I've had the same problem with printf() floats.
2013-12-25T08:20:26 < emeb_mac> never dug into it much though - just avoided floats...
2013-12-25T08:20:38 < gxti> i am briefly exploring the possibility of statically allocating it up front, but it's putting a lot of newlib-nano specific crap in my program
2013-12-25T08:20:52 < gxti> portable way is to just provide a real _sbrk, as icky as that is
2013-12-25T08:25:30 < gxti> yeah rabbit hole just keeps getting deeper
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2013-12-25T08:34:38 < gxti> all good with _sbrk defined
2013-12-25T08:35:13 < emeb_mac> nice
2013-12-25T08:36:01 < gxti> i should have figured this out much sooner, i think last time i tried i was too angry to debug clearly
2013-12-25T08:38:00 < emeb_mac> hormones + programming = fail
2013-12-25T08:38:08 < gxti> 2013-12-25T06:37:59.921765Z vtimer INFO pps -19.574 ns  freq -131.501 ppb
2013-12-25T08:38:10 < gxti> tada floats.
2013-12-25T08:38:57 < emeb_mac> so does _sbrk just go in stubs.c?
2013-12-25T08:39:14 < gxti> yeah, you have to have one defined but if you don't care about malloc it just returns fail every time
2013-12-25T08:39:38 < emeb_mac> aha - so if malloc fails then printf() on floats still works?
2013-12-25T08:39:46 < gxti> no, if malloc fails it hardfaults
2013-12-25T08:40:07 < gxti> but i think it only does it the first time you call to allocate some fixed structures. i will have to instrument this a bit to make sure that's true.
2013-12-25T08:40:26 < gxti> i don't want it faulting after 6 months because it printf'd one too many times.
2013-12-25T08:40:31 < emeb_mac> right
2013-12-25T08:41:05 < emeb_mac> so you have a pseudo malloc that doesn't do garbage collection, etc.
2013-12-25T08:41:16 < gxti> no, sbrk != malloc
2013-12-25T08:41:27 < gxti> libc provides malloc, sbrk just makes big blocks of ram for it to use
2013-12-25T08:41:34 < gxti> sbrk is never freed
2013-12-25T08:41:38 < emeb_mac> kk
2013-12-25T08:42:02  * emeb_mac hasn't dug into libc much
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2013-12-25T10:28:19 < Thorn> my 3 discovery boards have arrived
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2013-12-25T11:57:59 < Robint91> hi all
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2013-12-25T19:14:54 < Thorn> oh wow http://e2e.ti.com/blogs_/b/precisiondesignshub/archive/2013/09/23/why-should-i-give-a-flux.aspx?hootPostID=fb31987b100c27ac3fd9da0bea1955a9
2013-12-25T19:15:05 < Thorn> >The hand-cleaned board showed strange very-low-frequency noise. I eventually determined the cause – the air-conditioning cycling inside the test facility!
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2013-12-25T20:31:58 < upgrdman> how do your write to a register with gdb?
2013-12-25T20:35:47 < Steffanx> set $[reg]=value ?
2013-12-25T20:36:28 < Thorn> should be something like set $r0 = 0
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2013-12-25T20:37:10 < zyp> I tend to just do it as a print
2013-12-25T20:37:34 < zyp> because usually I print registers before I want to assign to them
2013-12-25T20:37:38 < zyp> p/x $r0
2013-12-25T20:37:40 < zyp> p/x $r0 = 3
2013-12-25T20:37:40 < zyp> etc
2013-12-25T20:37:54 < upgrdman> ok
2013-12-25T20:37:56 < upgrdman> thanks
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2013-12-25T23:10:28 < karlp> nice article thorn
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--- Day changed Thu Dec 26 2013
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2013-12-26T01:01:29 < emeb> interesting.
2013-12-26T01:01:40 < emeb> didn't say what kind of flux.
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2013-12-26T02:04:57 < karlp> didn't say what sort of "hand wash" either, but the general point is valid I guess.
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2013-12-26T07:02:21 < dongs> sup aids
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2013-12-26T07:03:41 < dongs> sup blogs
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2013-12-26T07:08:02 < emeb_mac> bloggin furiously
2013-12-26T07:09:03 < emeb_mac> got this starting to work: https://dl.dropboxusercontent.com/u/17017364/breakout.jpg
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2013-12-26T07:12:49 < emeb_mac> nope - they but right up to the board
2013-12-26T07:14:15 < emeb_mac> these http://www.digikey.com/product-detail/en/142-0701-801/J502-ND/35280
2013-12-26T07:14:25 < emeb_mac> yes
2013-12-26T07:14:32 < emeb_mac> it's flush
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2013-12-26T07:16:29 < emeb_mac> yes
2013-12-26T07:16:39 < emeb_mac> not cheap
2013-12-26T07:16:54 < emeb_mac> but fully specified
2013-12-26T07:19:23 < emeb_mac> can't tell
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2013-12-26T07:20:07 < GargantuaSauce> where did you get your boards done
2013-12-26T07:20:19 < emeb_mac> the green board was batchpcb
2013-12-26T07:20:27 < emeb_mac> the purple ones are oshpark
2013-12-26T07:20:46 < GargantuaSauce> which would you recommend
2013-12-26T07:20:52 < emeb_mac> looks like it
2013-12-26T07:21:49 < emeb_mac> I see the molex ones don't have RF data
2013-12-26T07:21:56 < emeb_mac> but the Emerson ones do
2013-12-26T07:22:40 < emeb_mac> GargantuaSauce: batchpcb isn't in business anymore, so oshpark it is...
2013-12-26T07:22:47 < GargantuaSauce> ah :)
2013-12-26T07:22:53 < emeb_mac> yea
2013-12-26T07:23:08 < emeb_mac> oshpark has better rules
2013-12-26T07:23:18 < emeb_mac> 6/6 on the 2-layer process
2013-12-26T07:23:22 < emeb_mac> 5/5 on 4-layer
2013-12-26T07:23:50 < gxti> from what i've heard so far the 10 mil drill is a lie
2013-12-26T07:24:22 < emeb_mac> I always use 6/6, 13 drill, 7 annulus
2013-12-26T07:24:36 < dongs> sup blogs
2013-12-26T07:24:47 < emeb_mac> talkin' trash
2013-12-26T07:24:47 < dongs> gxti: all my drills are 10mil
2013-12-26T07:24:53 < dongs> 10/20 for vias
2013-12-26T07:24:55 < gxti> i'm not talking about dongsfab
2013-12-26T07:25:31 < gxti> if it didn't look obviously busted then it probably worked, but somebody was getting multiple boards back where it was all 13 mils when it was supposed to be 10
2013-12-26T07:25:50 < emeb_mac> R2COM: you use 12-mil traces on the 4-layer process for 50 ohm?
2013-12-26T07:26:53 < GargantuaSauce> cool...gotta start making PCBs soon. going to start with diy processes but i have a feeling i'll have a hard time pulling off the .5mm pitch for lqfp
2013-12-26T07:27:04 < GargantuaSauce> soo looking at the fab houses as a backup
2013-12-26T07:27:06 < emeb_mac> cool - that's what I calculated too
2013-12-26T07:27:27 < emeb_mac> blech
2013-12-26T07:27:36 < emeb_mac> etchin @ home FTL
2013-12-26T07:27:57 < GargantuaSauce> i just wanna give it a shot
2013-12-26T07:28:11 < emeb_mac> be prepared to be disappointed
2013-12-26T07:28:13 < GargantuaSauce> because having a turnaround time of an hour is pretty appealing
2013-12-26T07:28:19 < GargantuaSauce> and i know i will fuck up the first few designs
2013-12-26T07:28:47  * emeb_mac likes mask, silk & predictable results
2013-12-26T07:29:12 < emeb_mac> plus - vias!
2013-12-26T07:29:34 < emeb_mac> ya
2013-12-26T07:35:23 < dongs> sorry i need to foxconn some shit
2013-12-26T07:36:33 < emeb_mac> appledongs
2013-12-26T07:37:16 < GargantuaSauce> delldongs
2013-12-26T07:37:37 < GargantuaSauce> the other day at my uni we tore down one of the labs full of big expensive dell workstations
2013-12-26T07:37:44 < GargantuaSauce> 30% of them still worked
2013-12-26T07:37:56 < emeb_mac> mmm - quality equipment
2013-12-26T07:39:45 < emeb_mac> blech - atom
2013-12-26T07:39:52 < GargantuaSauce> the new atoms are relatively ok
2013-12-26T07:40:45 < GargantuaSauce> can't win8 not even run custom software
2013-12-26T07:41:03 < emeb_mac> big fun w/ unsigned drivers
2013-12-26T07:41:04 < GargantuaSauce> because they appled it
2013-12-26T07:41:28 < GargantuaSauce> maybe it's just for apps made with the new API
2013-12-26T07:42:09 < gxti> ftdi drivers are signed
2013-12-26T07:42:30 < gxti> for what it's worth, 64bit win7 also requires signed drivers although you can disable it by haxoring your boot config
2013-12-26T07:44:25 < gxti> ok.
2013-12-26T07:45:04 < emeb_mac> I got a Win8 ASUS laptop a few weeks back - works fine
2013-12-26T07:45:27 < emeb_mac> this is a 14
2013-12-26T07:45:31 < emeb_mac> inch
2013-12-26T07:45:50 < emeb_mac> nah - 3.5
2013-12-26T07:46:01 < emeb_mac> very thin
2013-12-26T07:46:11 < upgrdman> GargantuaSauce: reading your earlier comments, i DIY lqfp boards at home. easy if you do photolith
2013-12-26T07:46:36 < GargantuaSauce> ok cool, that's the plan
2013-12-26T07:46:49 < GargantuaSauce> do you use presensitized boards or photoresist gunk?
2013-12-26T07:46:50 < emeb_mac> oh - Acer, not ASUS
2013-12-26T07:46:52 < emeb_mac> http://www.bestbuy.com/site/acer-aspire-14-touch-screen-laptop-4gb-memory-500gb-hard-drive-piano-black/1883079.p?id=1219066386406&skuId=1883079
2013-12-26T07:46:59 < upgrdman> presen
2013-12-26T07:47:09 < emeb_mac> I3
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2013-12-26T07:47:17 < upgrdman> GargantuaSauce: my process:  http://www.farrellf.com/projects/hardware/2013-06-01_PCB_Design_and_Etching/
2013-12-26T07:47:38 < GargantuaSauce> great, thanks
2013-12-26T07:47:40 < emeb_mac> dual
2013-12-26T07:48:00 < upgrdman> i even starting doing soldermask at home    http://www.farrellf.com/temp/robot_tx_pcb1.jpg
2013-12-26T07:48:04 < emeb_mac> i3 < atom? doubt it.
2013-12-26T07:48:27 < GargantuaSauce> i saw that board but didnt realize it was diy. impressed.
2013-12-26T07:48:51 < upgrdman> thanks
2013-12-26T07:49:35 < emeb_mac> well then. buy an atom.
2013-12-26T07:49:40 -!- madist [madisx@unaffiliated/madist] has quit [Ping timeout: 246 seconds]
2013-12-26T07:49:56 < gxti> because atoms are totes blazing fast
2013-12-26T07:50:52 < GargantuaSauce> there are 4 microarchitectures under the i3 umbrella
2013-12-26T07:53:04 < emeb_mac> pretty good
2013-12-26T07:53:16 < emeb_mac> laptop battery life is less than that.
2013-12-26T07:53:25 < emeb_mac> I think it's about 3-4 hours
2013-12-26T07:54:37 < gxti> also the atom only gets 1.8ghz on turbo boost which it can't do on all cores indefinitely
2013-12-26T07:55:11 < gxti> not clear if that also applies to the i3 because best buy is crap
2013-12-26T07:55:48 < gxti> you can most likely sustain 1.8ghz on one core, but not four
2013-12-26T07:59:18 < emeb_mac> nah
2013-12-26T07:59:23 < emeb_mac> I wanted 14"
2013-12-26T07:59:35 < emeb_mac> none of that huge 15.6" crap
2013-12-26T08:00:26 < emeb_mac> plus, the one I got has a USB3 port
2013-12-26T08:01:03 < emeb_mac> and mine has HDMI too
2013-12-26T08:01:29 < emeb_mac> but - no optical drive. (although there is a slot for one if I wanted to add it)
2013-12-26T08:02:56 < dongs> lenovo yoga2 wiht 8gb ram is the only laptop worth owning
2013-12-26T08:03:02 < dongs> anything else is a waste of money
2013-12-26T08:03:24 < emeb_mac> lol
2013-12-26T08:03:50 < dongs> because it doesnt come wiht 1280x600 screen
2013-12-26T08:03:52 < dongs> like the trash you linked
2013-12-26T08:04:21 < dongs> its not a faglet
2013-12-26T08:04:47 < dongs> yoga2 isnt
2013-12-26T08:05:35 < emeb_mac> transformers - more than meets the eye
2013-12-26T08:08:57 < gxti> SSDs are mandatory for me these days
2013-12-26T08:16:06 < emeb_mac> R2COM: it works well.
2013-12-26T08:16:21 < emeb_mac> It seems about the same as the I5 machine I have.
2013-12-26T08:16:54 < emeb_mac> runs various design tools, cygwin, compilers, etc w/o trouble.
2013-12-26T08:17:16 < emeb_mac> also runs sdrsharp w/ rtl dongle no problems.
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2013-12-26T08:18:04 < emeb_mac> too many choices
2013-12-26T08:18:55 < emeb_mac> works fine
2013-12-26T08:19:02 < emeb_mac> either mouse or touch.
2013-12-26T08:19:17 < emeb_mac> 10-point multi I think...
2013-12-26T08:19:29 < emeb_mac> seems fairly sensitive - not jittery
2013-12-26T08:19:49 < emeb_mac> have you used Win8?
2013-12-26T08:19:55 < emeb_mac> it's... different.
2013-12-26T08:20:19 < emeb_mac> not exactly worse, but takes some getting used to after Win7
2013-12-26T08:20:37 < emeb_mac> good thing is that a desktop is available and easy to get to.
2013-12-26T08:20:56 < emeb_mac> Which FTDI do you have?
2013-12-26T08:21:10 < emeb_mac> simple serial stuf
2013-12-26T08:21:20 < emeb_mac> aha
2013-12-26T08:21:55 < emeb_mac> haven't tried that yet, but FTDI drivers are fully signed/legit so shouldn't be a big deal
2013-12-26T08:22:17 < emeb_mac> ya
2013-12-26T08:27:12 < emeb_mac> ya
2013-12-26T08:27:31 < emeb_mac> I think all the recent Win oses are 64-capable...
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2013-12-26T08:36:57 < emeb_mac> interesting
2013-12-26T08:40:58 < emeb_mac> yes - checked it
2013-12-26T08:41:03 < emeb_mac> it is 64-bit
2013-12-26T08:48:30 < emeb_mac> interesting
2013-12-26T08:49:01 < emeb_mac> I had to look pretty hard to find a 14" that was available locally
2013-12-26T08:49:07 < emeb_mac> most stuff is 15.6"
2013-12-26T08:49:11 < emeb_mac> huge
2013-12-26T08:51:17 < emeb_mac> probably
2013-12-26T08:52:52 < emeb_mac> yep
2013-12-26T08:53:00 < emeb_mac> play piano!
2013-12-26T08:53:28 < emeb_mac> never seen keyboard apps on an iPad, eh?
2013-12-26T08:53:41 < emeb_mac> that's a thing
2013-12-26T08:55:18 < emeb_mac> depends on if you have cold hands
2013-12-26T08:58:38 < emeb_mac> it's already just 1" thick. don't imagine the VGA port has much effect on that.
2013-12-26T09:00:12 < gnomad> that's actually kinda neat.
2013-12-26T09:00:25 < gnomad> (10 finger touch)
2013-12-26T09:01:40 < baird> There was some japanese tech demo report on YT about someone who'd written a tablet app to squeeze 2D boobs... (Yo. Finished the 20,000 kms Postie Bike ride. :D)
2013-12-26T09:02:12 < baird> yay japan \o/
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2013-12-26T09:06:01 < emeb_mac> cool
2013-12-26T09:07:20 < emeb_mac> thinner
2013-12-26T09:07:25 < emeb_mac> more RAM
2013-12-26T09:10:25 < emeb_mac> probably
2013-12-26T09:10:40 < emeb_mac> be sure to back up the restore partition just in case...
2013-12-26T09:13:29 < emeb_mac> dunno - might be tied to the serial number on the bottom
2013-12-26T09:18:10 < emeb_mac> blame steve jobs
2013-12-26T09:18:35 < emeb_mac> that's a long time for a laptop
2013-12-26T09:20:08 < emeb_mac> yeah - that's a bad sign
2013-12-26T09:20:11 < emeb_mac> (lines)
2013-12-26T09:20:33 < emeb_mac> getting late now. bedtime...
2013-12-26T09:20:44 < emeb_mac> gn
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2013-12-26T11:39:08 < Robint91> hi all
2013-12-26T11:39:20 < Robint91> has someone here used the STM32F051?
2013-12-26T11:39:23 < Robint91> with the TSC?
2013-12-26T11:39:30 < Robint91> (touch sense controller) ?
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2013-12-26T11:40:33 < dongs> http://abusemark.com/store/images/panel_4.jpg
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2013-12-26T11:41:45 < GargantuaSauce> is that a usb host or ethernet
2013-12-26T11:41:45 < Robint91> dongs, your store?
2013-12-26T11:42:09 < Robint91> yep it is
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2013-12-26T12:27:05 < dongs> i refer to it as scamshoppe
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2013-12-26T13:54:06 < Steffanx> hacked your flir yet dongs?
2013-12-26T13:54:51 < dongs> first thing
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2013-12-26T14:49:51 < baird> Feh. imgur has some flash over its upload button now-- which of course blocks any uploads from people without the 'please-arserape-my-computer' extension installed.
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2013-12-26T15:05:23 < dongs> raped.
2013-12-26T15:05:39 < dongs> and their assdroid app is complete garbage
2013-12-26T15:10:21 < karlp> man, all theze chatz, talking about how much aw3some processor you need to run a usb-spi dongle.
2013-12-26T15:13:02 < Steffanx> ircpro chats you know.
2013-12-26T15:13:13 < zyp> much processor, wow
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2013-12-26T16:50:54 < Robint91> http://i.imgur.com/i7KXPgn.jpg <- dongs
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2013-12-26T18:01:01 < dongs> wrong
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2013-12-26T21:07:02 < emeb> lol picture: http://www.wired.com/wiredenterprise/2013/12/calxeda/
2013-12-26T21:07:18 < emeb> calxeda != stm32f103
2013-12-26T21:08:39 < bvernoux> hi
2013-12-26T21:09:21 < Laurenceb_> rofl
2013-12-26T21:09:33 < Laurenceb_> someone used wikipedia
2013-12-26T21:09:50 < Laurenceb_> omfg
2013-12-26T21:09:54 < Laurenceb_> "Image: Randomssk"
2013-12-26T21:10:01 < Laurenceb_> he's from #highaltitude
2013-12-26T21:11:14 < emeb> "we need a picture that looks like a processor. How about this one?"
2013-12-26T21:11:41 < Thorn> what are decoupling caps doing so far away from the chip
2013-12-26T21:11:45 < emeb> Laurenceb_: how's your GPS rx doing?
2013-12-26T21:11:56 < Thorn> if it's caps at all
2013-12-26T21:12:02 < Laurenceb_> im doing christmas stuff...
2013-12-26T21:12:15 < Laurenceb_> emeb: how can i put to functions in one .s file?
2013-12-26T21:12:29 < Laurenceb_>         .type            GPS_Corr STT_FUNC
2013-12-26T21:12:29 < emeb> Thorn: I finally got around to testing that RXADC board...
2013-12-26T21:12:37 < Laurenceb_> do i need two of those?
2013-12-26T21:12:42 < emeb> Laurenceb_: dunno - never tried.
2013-12-26T21:12:48 < Laurenceb_> heh ok
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2013-12-26T21:13:07  * Laurenceb_ is working on a different acquisition architecture
2013-12-26T21:13:16 < emeb> easy enough just to use two files and bring them all together in the link
2013-12-26T21:13:18 < Thorn> yeah I've seen the high res picture you posted
2013-12-26T21:13:18 < Laurenceb_> no fine aqu step
2013-12-26T21:14:00 < zyp> Laurenceb_, huh? just make a label for each and mark both as exports
2013-12-26T21:14:01 < Laurenceb_> use http://www.insidegnss.com/node/2979 to directly initialise the tracking loops, and also to do position solution in <10ms
2013-12-26T21:14:06 < Laurenceb_> zyp: ok
2013-12-26T21:14:16 < Thorn> Laurenceb_: http://omappedia.org/wiki/Writing_ARM_Assembly#Calling_Assembly_Functions_from_C
2013-12-26T21:14:22 < Laurenceb_> thanks, ill read
2013-12-26T21:14:42 < Laurenceb_> so basically at "RTC centric" GPS design
2013-12-26T21:14:48 < Laurenceb_> involving heavy use of the RTC
2013-12-26T21:14:55 < zyp> .global marks a symbol for export
2013-12-26T21:16:01 < Laurenceb_> what does STT_FUNC do?
2013-12-26T21:16:32 < zyp> never heard about
2013-12-26T21:16:37 < Laurenceb_> ok lol
2013-12-26T21:16:41 < zyp> probably just some shit you copypasted without understanding
2013-12-26T21:16:43 < Thorn> #define STT_FUNC    2
2013-12-26T21:16:50 < Thorn> http://lxr.free-electrons.com/source/include/uapi/linux/elf.h#L124
2013-12-26T21:17:13 < emeb> copypasta w/o understanding: isn't that how everyone does it?
2013-12-26T21:17:19 < zyp> http://sourceware.org/binutils/docs/as/Type.html
2013-12-26T21:17:30 < Laurenceb_> thats true :P
2013-12-26T21:17:45 < Laurenceb_> time to delete copypasta :D
2013-12-26T21:18:01 < zyp> huh, didn't know symbols had types
2013-12-26T21:19:51 < emeb> til
2013-12-26T21:20:06 < Laurenceb_> im tempted to rewrite the CMSIS FFT code in asm :-S
2013-12-26T21:20:12 < Laurenceb_> asm is addictive
2013-12-26T21:20:24 < emeb> then benchmark them
2013-12-26T21:20:37 < emeb> would be interesting to see if hand asm is worth it...
2013-12-26T21:20:54 < Laurenceb_> on paper it looks like i could get a x4 speed improvement by removing the saturation stuff and some of the butterflys
2013-12-26T21:21:05 < Laurenceb_> to create an optimised routine for finding gps sats
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2013-12-26T22:38:08 < Laurenceb_> wohoo i finally triggered the peadopage on google
2013-12-26T22:38:16 < Laurenceb_> keyword is "jailbait"
2013-12-26T22:38:38 < Laurenceb_> so lame
2013-12-26T22:38:53 < Laurenceb_> that word was lame in the 1970s
2013-12-26T22:48:33 < Laurenceb_> http://www.sl.com.cn/down/handbook/sllg/ATR0601.pdf
2013-12-26T22:48:39 < Laurenceb_> lol eagle £d on page 14
2013-12-26T22:48:45 < Laurenceb_> *3D
2013-12-26T23:01:23 < Steffanx> .cn .. get us a prober host Laurenceb_
2013-12-26T23:03:33 < Thorn> >Congratulations! You have passed the course “Digital Signal Processing" and received a Statement of Accomplishment.
2013-12-26T23:04:25 < Steffanx> whoa
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2013-12-26T23:07:40 < Steffanx> no you're a dsp pro Thorn?
2013-12-26T23:08:10 < Steffanx> *now
2013-12-26T23:09:00 < karlp> finished his coursera course just in time for christmas
2013-12-26T23:09:09 < karlp> very russian having tests on 25 dec isn't it?
2013-12-26T23:10:36 < Thorn> it ended about 2 weeks ago, and christmas is 7 jan around here
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2013-12-26T23:10:54 < Steffanx> ah yeah your russian arent into our western tradition :)
2013-12-26T23:12:02 < karlp> yeah, gf often had exams on 24/25 dec when she lived there
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--- Day changed Fri Dec 27 2013
2013-12-27T00:08:00 < Steffanx> karlp was going to ccc too?
2013-12-27T00:08:17 < zyp> nah, only his friends
2013-12-27T00:08:23 < Steffanx> Awh.
2013-12-27T00:10:24 < Steffanx> should get my drivers license and go next year..
2013-12-27T00:11:16 < Steffanx> or whatever it is again
2013-12-27T00:11:20 < Steffanx> *whenever
2013-12-27T00:11:58 < zyp> I should also go next year
2013-12-27T00:12:47 < Steffanx> should ;)
2013-12-27T00:14:32 < Steffanx> the license is work is progess, so.. should be possible to make it to the next one
2013-12-27T00:15:00 < Steffanx> here in dutchland you have to take @#$%^ expensive lessons to get a drivers license
2013-12-27T00:15:01 < zyp> or you could just take the bus ;)
2013-12-27T00:15:19 < zyp> probably not more expensive than in norway
2013-12-27T00:15:24 < Steffanx> train.. but that takes a shitload of hours  ( iirc we discused that before )
2013-12-27T00:15:28 < Steffanx> 35e/hour
2013-12-27T00:16:38 < zyp> I seem to recall driving lessons were 400-450 nok when I tok my license eight years ago
2013-12-27T00:17:10 < Steffanx> oof, and the average person has to take how many?
2013-12-27T00:17:19 < Steffanx> i think it's 20-30 ( or more here )
2013-12-27T00:17:46 < zyp> according to my sister they are almost up to 600 now
2013-12-27T00:18:10 < gxti> look on the bright side, at least trains are an option
2013-12-27T00:18:20 < gxti> in 'merica trains are for stuff not people
2013-12-27T00:18:24 < zyp> or planes, if trains are too slow
2013-12-27T00:18:25 < Steffanx> define: option
2013-12-27T00:18:52 < Thorn> take this onee http://www.youtube.com/watch?v=xnXsE_0P20I
2013-12-27T00:18:53 < Steffanx> > 6 hours by train for the distance makes it not "an option"
2013-12-27T00:19:04 < gxti> 'murican trains move a ton of chinese lawn furniture 1000 miles on 1 gallon of diesel, dontcha know
2013-12-27T00:19:22 < zyp> 6 hours by train doesn't sound bad, really
2013-12-27T00:19:37 < Steffanx> It would be like 3 by car or something
2013-12-27T00:19:39 < Steffanx> maybe less
2013-12-27T00:19:47 < Steffanx> We have those here in the netherlands too Thorn :D
2013-12-27T00:20:01 < Thorn> nice
2013-12-27T00:20:13 < Steffanx> in some family park :P
2013-12-27T00:20:28 < zyp> Steffanx, and there's no buses driving the same path?
2013-12-27T00:20:30 < Laurenceb_> i recently travelled from my home in uk to toronto via US
2013-12-27T00:20:41 < Steffanx> don't know zyp.
2013-12-27T00:20:48 < Laurenceb_> train from my house in uk to airport was 25% of the total cost
2013-12-27T00:21:09 < Laurenceb_> uk train fares are silly
2013-12-27T00:21:13 < Steffanx> special Laurenceb_ tax
2013-12-27T00:21:25 < gxti> costs a lot of pounds to keep all those semaphores in working order
2013-12-27T00:21:28 < zyp> norwegian train fares are pretty low, esp. long distance
2013-12-27T00:21:40 < zyp> of course, that's compared to other options of travel
2013-12-27T00:22:09 < Steffanx> oh, it seems there actually IS a bus
2013-12-27T00:22:28 < Steffanx> that goes to hamburg and back to where i live
2013-12-27T00:23:13 < zyp> I once went on a 19h long train trip, with two changes of trains
2013-12-27T00:23:34 < zyp> and a 5h bus trip to get to the closest train station
2013-12-27T00:23:46 < Steffanx> ~trip takes 4.5 hours.. not bad. For some reason i looked at the train schedule(s)
2013-12-27T00:25:01 < zyp> and the bus trip were more expensive than the train trip :p
2013-12-27T00:26:14 < Steffanx> Here one cannot make a 5 hour trip in a bus, without going in circles :)
2013-12-27T00:27:38 < zyp> norway is a pretty long country :)
2013-12-27T00:28:34 < zyp> I'm pretty used to four-hour bus trips, I've done two of them during the last month
2013-12-27T00:28:39 < zyp> and will do another next week
2013-12-27T00:29:41 < Steffanx> i hate trips like that. All i try to do is sleep
2013-12-27T00:30:07 < zyp> I don't sleep well when I'm sitting
2013-12-27T00:30:11 < zyp> so that doesn't work for me
2013-12-27T00:30:54 < Steffanx> dont as in, dont want to or as in cant
2013-12-27T00:31:40 < zyp> depends on how tired I am
2013-12-27T00:31:59 < zyp> either way it's not comfortable, so I prefer to avoid it
2013-12-27T00:37:17 < Steffanx> Next time i have to go for a long trip i will try to remember how long you have to sit in a bus sometimes :D
2013-12-27T00:40:30 < zyp> 4h bus trips are not too bad compared to 10h+ plane trips :p
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2013-12-27T01:01:27 < zyp> then again I like travelling
2013-12-27T01:02:01 < zyp> hmm, apparently I've spent over 72h on board aircrafts just this year
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2013-12-27T01:06:39 < Robint91> Laurenceb how old is that atmel chip
2013-12-27T01:06:51 < Robint91> Laurenceb_, ^
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2013-12-27T01:31:44 < dongs> hey zippe, apparently the makefile you fixed up for me in baseflight is a rip, according to pro german brogrammer: < Crashpilot1000> even the makefiles are a rip off - lol
2013-12-27T01:32:03 < dongs> internet is so harsh
2013-12-27T01:32:35 < zyp> aww
2013-12-27T01:32:56 < zyp> isn't that the spirit of open sores anyway?
2013-12-27T01:33:24 < gxti> FUN FACT: nobody actually understands makefiles, it's all copypasta
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2013-12-27T01:36:30 < Thorn> no
2013-12-27T01:36:31 < Thorn> I wrote my own from scratch
2013-12-27T01:36:58 < gxti> do not question the FUN FACT Thorn
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2013-12-27T01:38:49 < dongs> gxti: haha
2013-12-27T01:38:53 < dongs> so true
2013-12-27T01:39:15 < gxti> the basics are straightforward enough but if you actually want to do anything it's copypasta time
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2013-12-27T01:47:12 < Steffanx> "even the makefiles" what more is a rip off dongs?
2013-12-27T01:48:58 < Steffanx> "..@FreeBSD.ORG> wrote this file." lol dongs.
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2013-12-27T01:56:45 < Laurenceb_> Robint91: looks like no longer in production :-/
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2013-12-27T01:59:53 < Laurenceb_> se4110 looks good
2013-12-27T02:01:01 < dongs> sigheil semiconductor
2013-12-27T02:01:41 < dongs> http://www.digikey.com/product-detail/en/SE4110L-R/863-1351-1-ND/2745470 ?
2013-12-27T02:01:55 < dongs> is that the trash from that GPS tarduino
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2013-12-27T04:36:49 < baird> woohoo, 6 months of new eval boards to check out
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2013-12-27T05:01:31 < baird> Do people still beat it off to electronics in here? http://au.element14.com/stmicroelectronics/stm32f429i-disco/stm32f4-discovery-eval-board/dp/2355377
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2013-12-27T05:02:23 < baird> 2M Flash, 256kB sram, 64MB sdram, qvga lcd, the usual MEMS...
2013-12-27T05:02:57 < zyp> everybody else got those boards while you were away, so you're kinda late to the party
2013-12-27T05:05:29 < baird> Lies. You all would have avoided it like the plague, otherwise Tectu would've been on your case.
2013-12-27T05:05:44 < zyp> heh
2013-12-27T05:06:06 < zyp> I got one a couple of weeks ago, haven't had time to do anything fun with it yet
2013-12-27T05:06:10 < Thorn> there were 608 in stock less than 2 weeks ago
2013-12-27T05:07:38 < baird> I'm putting off any recreational spending for the moment while I get bike rego and accomodation sorted..
2013-12-27T05:07:56 < zyp> I'm not really sure what to do with mine
2013-12-27T05:07:59 < Thorn> >recreational spending
2013-12-27T05:08:00 < Thorn> ok
2013-12-27T05:08:06 < baird> Spinnin' cubez
2013-12-27T05:08:31 < zyp> nah
2013-12-27T05:08:31  * emeb likes spinning cubez
2013-12-27T05:09:03 < emeb> Need to play with that F429 board - see if I can make the SAI work with a codec.
2013-12-27T05:09:36 < dongs> lol i got 2 that i havent even used yet, baird
2013-12-27T05:09:39 < zyp> maybe I'll make a text console, then write usb host mode support, so I can interface with keyboards
2013-12-27T05:10:07 < dongs> and use embedded crypto engine for ssh acceleration?
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2013-12-27T05:10:14 < emeb> just make a touchscreen kbd. :)
2013-12-27T05:10:21 < Thorn> keyboards with microsd connectors ok
2013-12-27T05:10:35 < Thorn> it doesn't have crypto
2013-12-27T05:10:37 < zyp> dongs, then kickstart it as something to protect you from NSA?
2013-12-27T05:10:44 < Thorn> 439 does iirc
2013-12-27T05:11:11 < Thorn> *microusb connectors
2013-12-27T05:11:15 < baird> The 256kB and 64MB make it a retro computer simulator in my eyes..
2013-12-27T05:11:28 < Thorn> Mb not MB
2013-12-27T05:11:38 < zyp> Thorn, lots of micro-A to A adapters around
2013-12-27T05:11:51 < baird> 8 meggabites
2013-12-27T05:12:11 < dongs> zyp: yeah
2013-12-27T05:12:35 < dongs> micro-a to A, isnt that your typicval chinese $1 otg cable?
2013-12-27T05:12:47 < baird> STM32F429ZIT6 .. clocks up to 180MHz :o
2013-12-27T05:12:51 < zyp> dongs, yeah
2013-12-27T05:13:02 < dongs> i got one for $1.43, shipped, WITH tracking
2013-12-27T05:13:05 < dongs> in a padded envelope
2013-12-27T05:13:13 < dongs> from china, in like a week and a half
2013-12-27T05:13:22 < zyp> well, some of them are actually micro-B to A, but that's the same shit, just keyed differently
2013-12-27T05:13:22 < dongs> after ebay fees and shit I wonder how much chinaman actually took home
2013-12-27T05:14:26 < zyp> I think both the adapter I have and the «otg hub» I have actually have micro-B connectors
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2013-12-27T05:15:20 < zyp> of course, that is to cope with phones that supports host mode but still comes with micro-B sockets instead of micro-AB
2013-12-27T05:25:43 < dongs> < Firehopper> noritake itron is offering a 24 x 6 character vfd display for free, uart(inverted), rs232, and 8 bit parallel
2013-12-27T05:25:46 < dongs>                     interfaces, go here if you want to request one... >>
2013-12-27T05:25:48 < dongs>                     http://www.noritake-elec.com/evalkit-sample.php#contactForm <<
2013-12-27T05:25:51 < dongs> attn baird
2013-12-27T05:28:15 < baird> "his sample is applicable for US and Canada customers only " AIDS
2013-12-27T05:28:30 < dongs> yeah, fuck that
2013-12-27T05:28:33 < dongs> signed up with my alaska address.
2013-12-27T05:30:23 < baird> "Best readability display under following conditions" ... "-40°C environment" lolz
2013-12-27T05:30:28 < dongs> yes
2013-12-27T05:30:33 < dongs> should work in alaska
2013-12-27T05:30:34 < dongs> just fine
2013-12-27T05:30:34 < dongs> :D
2013-12-27T05:31:40 < baird> Need to register to check out the datasheet. Feh.
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2013-12-27T07:15:15 < emeb_mac> R2COM: cool
2013-12-27T07:15:22 < emeb_mac> How's the weight?
2013-12-27T07:15:33 < emeb_mac> the Al case looks nice
2013-12-27T07:15:51 < emeb_mac> I installed FTDI drivers on mine this eve and they worked fine.
2013-12-27T07:16:43 < englishman> 15", 1366x768 :(((
2013-12-27T07:16:53 < englishman> price is nice though
2013-12-27T07:17:15 < emeb_mac> big pixels!
2013-12-27T07:18:40 < baird> Russians aren't allowed to have Nice Things.
2013-12-27T07:18:41 < dongs> lol 15" 1366
2013-12-27T07:18:42 < dongs> fuck off
2013-12-27T07:19:32 < dongs> what h te fuck is that in normal units
2013-12-27T07:19:44 < baird> My 1994 Unix workstation from /1994/ was 15" 1024x768...
2013-12-27T07:19:54 < dongs> 2kg????
2013-12-27T07:19:55 < dongs> what the hell
2013-12-27T07:20:01 < dongs> my i7 laptop from like 3 years ago
2013-12-27T07:20:05 < dongs> is 980gram
2013-12-27T07:20:43 < dongs> that resolution is completely useless
2013-12-27T07:20:49 < dongs> i had bigger screen on a laptop in 2006
2013-12-27T07:20:52 < dongs> toshiba tecra s1
2013-12-27T07:20:54 < dongs> 1400x1050 or so
2013-12-27T07:20:58 < baird> http://www.jbhifi.com.au/computers/laptop-notebook/
2013-12-27T07:20:59 < dongs> no 1600x1200
2013-12-27T07:21:02 < dongs> in 15"
2013-12-27T07:21:24 < dongs> overpaid
2013-12-27T07:21:24 < englishman> chromebook pixel panel is like $60
2013-12-27T07:22:15 < baird> The Samsung Chromebook I took with me on the trip actually worked out well-- the 16GB storage was a PITA, but then things needed to be on backups..
2013-12-27T07:22:44 < emeb_mac> seems like a fine machine to me, esp for the price.
2013-12-27T07:23:42 < baird> The "6.5 hours battery life" was close to realised in practice, too. It only needed recharging about every 4 days or so, the way I was using it. 4 Days was certainly enough to get to another free 'stealth' power-point. Recharged quickly/
2013-12-27T07:23:42 < emeb_mac> ya
2013-12-27T07:23:45 < englishman> yeah, good value
2013-12-27T07:24:10 < emeb_mac> dongs: what was your i7 from 3yrs ago?
2013-12-27T07:26:37 < baird> Pity that the HP Chromebook came out after I started the trip-- the microusb recharge would've been /fantastic/ .. Something I picked up was a 7watt GoalZero solar panel, which even did the Nexus10 with no hassles.
2013-12-27T07:26:51 -!- bsdfox [~h36sa@freebsd/contributor/bobryan] has quit [Ping timeout: 252 seconds]
2013-12-27T07:27:47 < emeb_mac> about 4lbs
2013-12-27T07:28:37 < emeb_mac> ya
2013-12-27T07:28:51 < baird> Something else from the Postie bike trip-- I learned to hate Lady Gaga. All her songs are about taking Men for granted. Fuck her!
2013-12-27T07:28:55 < emeb_mac> Tiger Direct - meh.
2013-12-27T07:29:25 < emeb_mac> No real reason. Heard some bad things about them years ago.
2013-12-27T07:29:30 < emeb_mac> Prolly ok now.
2013-12-27T07:29:47 < emeb_mac> right
2013-12-27T07:29:53 < emeb_mac> kewl
2013-12-27T07:30:21 < emeb_mac> If you were going to swap in an SSD anyway, seems like a good deal.
2013-12-27T07:30:27 < baird> R2COM: oh shit IRC police
2013-12-27T07:30:42 < emeb_mac> true
2013-12-27T07:30:54 < englishman> vizio is a way better deal, lighter too
2013-12-27T07:30:59 < emeb_mac> who cares if dongs is happy. are you>
2013-12-27T07:31:19 < englishman> 256ssd that's a lot of $ right there
2013-12-27T07:31:34 < emeb_mac> wonder who made the ssd.
2013-12-27T07:31:43 < emeb_mac> hopefully not some off-brand china crud
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2013-12-27T07:32:39 < emeb_mac> china is fine, but off-brand  / noname... :P
2013-12-27T07:33:26 < emeb_mac> vizio doesn't have touch screen - if you care
2013-12-27T07:34:20 < emeb_mac> does vizio have GigE?
2013-12-27T07:35:42 < emeb_mac> Mine is probably about like that.
2013-12-27T07:35:47 < emeb_mac> Looks fine to me.
2013-12-27T07:36:14 < englishman> tablet or laptop
2013-12-27T07:36:20 < englishman> who wants a touchscreen laptop
2013-12-27T07:36:35 < emeb_mac> yep - 1366x768 - 14" diag
2013-12-27T07:36:42 < emeb_mac> looks OK to me.
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2013-12-27T07:39:01 < emeb_mac> Nope - it's fine as-is.
2013-12-27T07:39:11 < emeb_mac> boots fast, looks fine.
2013-12-27T07:39:31 < emeb_mac> boots a heckuva lot faster than my lenovo Win7
2013-12-27T07:39:37 < emeb_mac> heh - trolled.
2013-12-27T07:39:45 < upgrdman> anyone here played with the L3GD20 gyro? the bandwidth cutoff is adjustable, but what does it do? low-pass higher velocities?
2013-12-27T07:41:10 < emeb_mac> not bad.
2013-12-27T07:41:21 < emeb_mac> good for folks who do most of their work on the laptop
2013-12-27T07:41:42 < emeb_mac> but I have an I7 desktop for most of the work.
2013-12-27T07:41:46 < englishman> the pixels
2013-12-27T07:41:49 < englishman> make a difference
2013-12-27T07:42:38 < emeb_mac> yep
2013-12-27T07:42:49 < emeb_mac> put the cycles / pixels where you need them
2013-12-27T07:43:18 < emeb_mac> the laptop is just for travel or simple lab stuff
2013-12-27T07:44:12 < emeb_mac> not synthesizing FPGAs on the laptop...
2013-12-27T07:48:32 < emeb_mac> I just run my I7 stock
2013-12-27T07:48:59 < emeb_mac> depends on which one you get
2013-12-27T07:49:10 < emeb_mac> there's a bunch of different grades
2013-12-27T07:52:30 < emeb_mac> wonder what the difference is from this: http://www.newegg.com/Product/Product.aspx?Item=N82E16819116939
2013-12-27T07:52:49 < GargantuaSauce> i really dont see the point in spending 1k on a processor
2013-12-27T07:53:47 < emeb_mac> but the cheaper runs 100MHz faster.
2013-12-27T07:56:31 < emeb_mac> no clock?
2013-12-27T07:56:40 < emeb_mac> all asynch.
2013-12-27T07:56:48 < emeb_mac> really fun synthesizing. :P
2013-12-27T07:58:08 < emeb_mac> interesting
2013-12-27T07:58:38 < emeb_mac> intel is selling their process lately
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2013-12-27T08:04:48 < emeb_mac> fast one
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2013-12-27T08:09:59 < dongs> lol doesnt egven come with a fan
2013-12-27T08:10:02 < dongs> such shit
2013-12-27T08:10:08 < dongs> youi dont need that proc unless youre making a retarded gaming rig
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2013-12-27T09:45:53 < dongs> nothign new :(
2013-12-27T09:45:55 < dongs> just shitty flir
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2013-12-27T10:52:37 < dongs> found what happened to the mouse I saw under dicknplace
2013-12-27T10:52:40 < dongs> it died behind my desktop
2013-12-27T10:52:46 < dongs> and was there probly for a week now?
2013-12-27T10:57:39 < madist> dongs: keep it for another week. the smell gets better.
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2013-12-27T11:16:23 < Lux> hi guys, i have a short question about structs.. if I have 2 structs x and y, do y=x and write data to struct x it will be in both as the adress pointer of both points to the same data right ?
2013-12-27T11:17:48 < Thorn> y = x with structs is like a memcpy()
2013-12-27T11:18:51 < Thorn> y is not an alias to x, it has its own memory allocated for it
2013-12-27T11:21:07 < Lux> hmm yeah, but x=y being the same as mencpy is weird.. are you sure not just the adress gets copied ?
2013-12-27T11:21:08 < Thorn> if you want an aliases, use a pointer or reference (c++): struct foo* y = &x;
2013-12-27T11:21:22 < Lux> okay thanks
2013-12-27T11:21:33 < Thorn> copied where? a struct is stored by value
2013-12-27T11:22:51 < Thorn> write a small example program, compile it, disassemble and see for yourself what's going on
2013-12-27T11:22:57 < Lux> i just tought it's the same as with arrays, if I have an array x, x is the adress of the array
2013-12-27T11:23:08 < Lux> yeah I'll try that
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2013-12-27T12:25:54 < PaulFertser> Thorn: hehe, learning syntax the hard way :)
2013-12-27T12:26:43 < Thorn> hard way would be by reading the standard
2013-12-27T12:27:18 < PaulFertser> But by reading the standard you'll be sure that any compliant implementation will behave this particular way.
2013-12-27T12:28:10 < Thorn> disassembly listing is easier to read though
2013-12-27T12:30:20 < PaulFertser> I've read one yesterday, can't say I was really glad I had to do it. What I was glad is that the author didn't use any obfuscation methods so the info I needed was relatively easy to extract.
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2013-12-27T12:42:50 < Robint91> hi all
2013-12-27T12:44:15 < Thorn> I actually tried to find where in ISO 9899:TC2 it says that structs are passed and assigned by value but couldn't do it quickly. it likely doesn't explicitly say it anywhere
2013-12-27T12:45:46 < Robint91> Thorn, it is
2013-12-27T12:51:46 < Thorn> where&
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2013-12-27T13:10:42 < mmp> hello, I'm trying to use ADC's with DMA on stm32f3 discovery board; so far everything works, but despite having configured 12bit precision, the data is always 8bit
2013-12-27T13:13:47 < mmp> DMA source and destination are both configured as halfwords
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2013-12-27T13:25:40 < Robint91> mmp, correct address?
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2013-12-27T13:25:52 < Robint91> mmp, changed dataalignment?
2013-12-27T13:26:22 < mmp> Robint91: DMA source address is &ADC1->DR
2013-12-27T13:26:31 < mmp> data alignment should be right
2013-12-27T13:26:38 < mmp> (literally)
2013-12-27T13:26:53 < Robint91> mmp, let me check
2013-12-27T13:27:11 < mmp> I'm dumping data directory from in-memory buffers and every odd byte is zero
2013-12-27T13:27:18 < mmp> Robint91: should I patebin it somewhere?
2013-12-27T13:27:32 < Robint91> mmp, I did it like this on a F4
2013-12-27T13:27:33 < Robint91> https://github.com/robint91/SoundSourceLocalization/blob/master/src/adcdma/adcdma.c
2013-12-27T13:27:44 < Robint91> mmp, yeah
2013-12-27T13:27:45 < Robint91> gist it
2013-12-27T13:28:20 < mmp> argh, too late: http://pastebin.com/21GKbv4W
2013-12-27T13:28:27 < Robint91> :p
2013-12-27T13:28:36 < mmp> looks like you are up to similar project as I am
2013-12-27T13:29:28 < mmp> but your ADCs are timer-triggered
2013-12-27T13:29:46 < Robint91> mmp, fixed samplerate
2013-12-27T13:30:04 < Robint91> also DMA interrupts
2013-12-27T13:30:19 < Robint91> the DMA works in circular mode
2013-12-27T13:30:30 < Robint91> I get an interrupt on half and full
2013-12-27T13:30:45 < Robint91> half -> start processing first half of the samples
2013-12-27T13:30:49 < mmp> yeah, I understand;I wanted just something simple to start with, so I just run continuous conversion with large enough delays
2013-12-27T13:30:55 < Robint91> full -> start processing last half
2013-12-27T13:32:02 < Robint91> mmp, ah
2013-12-27T13:32:07 < Robint91> mmp, I think I see it
2013-12-27T13:32:22 < mmp> what could it be?
2013-12-27T13:32:36 < Robint91> mmp, you structure isn't empty when you define it
2013-12-27T13:32:54 < mmp> hmm, but I think I set every field
2013-12-27T13:33:19 < mmp> (stm32f3 has a bit registers options for both ADC and DMA)
2013-12-27T13:33:36 < mmp> do you see any particular issue?
2013-12-27T13:33:43 < mmp> I think ADCs should be filled completely
2013-12-27T13:33:57 < mmp> but... putting initializes there should not cause problems
2013-12-27T13:33:57 < Robint91> I don't see
2013-12-27T13:33:57 < Robint91>   DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
2013-12-27T13:33:58 < Robint91>   DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
2013-12-27T13:33:58 < Robint91>   DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
2013-12-27T13:33:58 < Robint91>   DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
2013-12-27T13:34:11 < mmp> hmm, let me see
2013-12-27T13:34:39 < mmp> (btw, apologies for messy code)
2013-12-27T13:34:55 < Robint91> mhh
2013-12-27T13:34:59 < Robint91> but it is on a F3
2013-12-27T13:35:38 < mmp> yep, f3 structs do not have these fields
2013-12-27T13:35:47 < Robint91> mhh okay
2013-12-27T13:36:30  * Robint91 doesn't trust &ADC1->DR
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2013-12-27T13:39:20 < mmp> I added initializers of DMA/ADC/ADC_Common structs, just in case
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2013-12-27T13:39:46 < mmp> the address should be (more or less) OK, I'm getting readings, which seem to relate to state of analog inputs
2013-12-27T13:40:01 < mmp> (eg. if I wire it to 3V, I'm getting almost saturated 255)
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2013-12-27T14:20:06 < dongs> sup blogs
2013-12-27T14:20:11 < Steffanx> Tha sky bro
2013-12-27T14:20:14 < dongs> Robint91: ...
2013-12-27T14:20:19 < dongs> * Robint91 doesn't trust &ADC1->DR
2013-12-27T14:20:36 < dongs> what od you use, 0x4001020 type shit?
2013-12-27T14:21:24 < mmp> Robint91: now I did some more testing and it looks like something strips higher bits of ADC value
2013-12-27T14:22:51 < mmp> either conversion is not terminated and this is some intermediary result fetched by DMA, or there's something really wrong
2013-12-27T14:23:26 < dongs> your peripheralinc and memoryinc is correct?
2013-12-27T14:23:40 < dongs> aND peripheralsize/whatever
2013-12-27T14:24:25 < dongs> oic you put code on spamsite
2013-12-27T14:25:24 < mmp> is there any difference between gist and pastebin?
2013-12-27T14:25:49 < mmp> anyway, increments are correct, and so are sizes (at least, I believe they are)
2013-12-27T14:26:35 < mmp> peripheralinc is OK (otherwise I would get just random garbage, not "regular" analog signal at the input)
2013-12-27T14:26:50 < dongs> i only read code pasted to bcas.tv/paste
2013-12-27T14:27:06 < dongs> due to all other sites having retarded ads / spam / loading over 9000kb of javascript
2013-12-27T14:27:47 < mmp> at your comfort... http://bcas.tv/paste/results/CAtKCQ57.html
2013-12-27T14:27:49 < Steffanx> And it has some secret unreadable clause all code pasted to bcas.tv will be property of dongs
2013-12-27T14:29:26 < dongs> well yes
2013-12-27T14:29:40 < mmp> well, I would not publicly announce authorship of that code
2013-12-27T14:29:59 < mmp> far, far from readable
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2013-12-27T14:32:36 < mmp> anyway, I believe everything is set up correctly
2013-12-27T14:33:04 < mmp> well, except the fac that highest bits of the conversion result are always zero
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2013-12-27T14:54:20 < mmp> ok, another update -- switching data alignment to the left yields only data 4 bits in lsb and nothing more
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2013-12-27T15:14:50 < jpa-> mmp: maybe you have set DMA size to 8 bits?
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2013-12-27T15:15:08 < jpa-> i mean, DMA peripheral data size
2013-12-27T15:15:54 < mmp> jpa-: I'm afraid I did not; both memory and peripheral sizes are half-word
2013-12-27T15:16:20 < mmp> maybe I should double checl proper value in the register
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2013-12-27T15:47:12 < mmp> ok, fixed
2013-12-27T15:47:31 < mmp> quite stupid typo, which reminds me I should not code at 1am
2013-12-27T15:47:40 < mmp> DMA_InitStructure.DMA_PeripheralDataSize = DMA_MemoryDataSize_HalfWord;
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2013-12-27T15:50:08 < jpa-> mmp: you haven't enabled the parameter asserts in stdperiph?
2013-12-27T15:50:59 < mmp> jpa-: I do not have serial console, so it would not help either
2013-12-27T15:51:44 < jpa-> you surely have debugger anyway?
2013-12-27T15:51:58 < jpa-> crash is better than wrong behaviour
2013-12-27T15:58:07 < mmp> yes, I agree (but given that this is my third day with stm32, I'm still learning how the things work)
2013-12-27T15:59:16 < Thorn> use itm
2013-12-27T15:59:27 < jpa-> yeah - i don't particularly like stdperiph myself
2013-12-27T15:59:35 < jpa-> it's full of gotchas like that
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2013-12-27T16:11:04 < mmp> what is itm?
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2013-12-27T16:15:23 < PaulFertser> jpa-: those runtime parameter asserts in st's lib are awful :( And do not work properly for GPIO anyway, can't handle bitmasks when they actually should :/ libopencm3 is so much better.
2013-12-27T16:15:53 < Steffanx> http://infocenter.arm.com/help/topic/com.arm.doc.ddi0337e/BABCCDFD.html that mmp ;)
2013-12-27T16:16:24 < Steffanx> libopencm3 .. because lgpl rocks :P
2013-12-27T16:18:03 < mmp> well.. I don't see any info about stm32f3 support in opencm3
2013-12-27T16:18:15 < PaulFertser> When it was gpl it was problematic for some projects indeed. But since it's now lgpl.
2013-12-27T16:19:01 < dongs> now its even worse
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2013-12-27T16:19:42 < Steffanx> you can still make stupid mistakes when you use libopencm3 PaulFertser :)
2013-12-27T16:19:43 < PaulFertser> dongs: how so?
2013-12-27T16:19:53 < dongs> its still lunix license
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2013-12-27T16:20:18 < dongs> proper way would be to use deadBSD license.
2013-12-27T16:20:22 < PaulFertser> dongs: Linux, the kernel, is mostly GPL, some parts BSD-style, so, no, it's not.
2013-12-27T16:20:32 < Steffanx> There is support mmp, but i think you are looking at outdated documentation
2013-12-27T16:20:52 < mmp> Steffanx: I just had a look on http://libopencm3.org/wiki/Status
2013-12-27T16:20:59 < Steffanx> Yeah, outdated :P
2013-12-27T16:21:00 < PaulFertser> dongs: BSD-style doesn't motivate to return contributions back to the community.
2013-12-27T16:21:25 < Steffanx> documentation is not the strongest point of that lib
2013-12-27T16:21:59 < PaulFertser> dongs: what makes ST proprietary license any better than LGPL for anything at all from a customer's PoV?
2013-12-27T16:22:20 < dongs> PaulFertser: libopencm3 doesn't exactly motivate anyone to do anything with it, either
2013-12-27T16:22:28 < dongs> PaulFertser: i think customers dont even give a shit
2013-12-27T16:23:31 < PaulFertser> dongs: if you always judge by yourself, you're likely to have the result quite biased.
2013-12-27T16:23:38 < dongs> of courser
2013-12-27T16:24:43 < PaulFertser> dongs: a nice library is attractive to use. But then you discover some missing part, you're adding it. With LGPL you have to return it to the community. With *BSD you do not. So LGPL does motivate developers to contribute. The ST license is useless shit.
2013-12-27T16:27:41 < jpa-> ST's license is stupid, indeed; but i do not particularly like LGPL either for such a basic library
2013-12-27T16:29:01 < dongs> my biggest complaint with libopencm3 is that it ONLY works wiht freetard tools
2013-12-27T16:29:20 < dongs> second problem is that it rewrites names for cmsis-defined vector names etc
2013-12-27T16:29:32 < dongs> and of course you can only bulid it with makefiles
2013-12-27T16:29:34 < dongs> so uh.. no thanks
2013-12-27T16:29:45 < jpa-> yeah, it has some annoying "we need to invent new names for everything!" stuff
2013-12-27T16:30:55 < Steffanx> Does jpa- have an example
2013-12-27T16:30:56 < Steffanx> ?
2013-12-27T16:31:01 < PaulFertser> jpa-: hm, right, you need to disable all static inlines and provide your object files so the customer can relink...
2013-12-27T16:31:29 < zyp> PaulFertser, LGPL may also motivate to avoid the library, to avoid license hassles
2013-12-27T16:31:39 < zyp> and then there's nothing to return to community anyway
2013-12-27T16:32:31 < dongs> huhuhu
2013-12-27T16:32:34 < PaulFertser> zyp: it might, true. But in general it looks like GPL and LGPL-using project get more contributions in the end.
2013-12-27T16:32:44 < jpa-> Steffanx: well, dongs mentioned the interrupt vector names
2013-12-27T16:32:55 < jpa-> not a big issue
2013-12-27T16:33:11 < Steffanx> some ;)
2013-12-27T16:33:25 < dongs> i'm not a huge fan of all_lower_case_with_underscoresfunction_names_that_are_miles_long() either but I could deal with it
2013-12-27T16:33:58 < dongs> anyway bedtime. reinstalled my desktop, went to 8.1 briefly, found out skypekit doesnt work, went back to 8.0
2013-12-27T16:34:07 < dongs> need to reinstall all my eda crap and shit tomrow
2013-12-27T16:34:25 < zyp> PaulFertser, in my opinion, the best motivation for contributing back changes is that I don't have to maintain a diverging branch of the project when I've made changes to it
2013-12-27T16:34:40 < jpa-> windows is so crappy, always requiring reinstalls </troll>
2013-12-27T16:34:43 < zyp> so it's less hassle in the future when my changes are upstreamed
2013-12-27T16:34:53 < Steffanx> "ADC_InitStructure.ADC_ExternalTrigEventEdge = ADC_ExternalTrigEventEdge_None;" .. yeah that is totally better dongs :P
2013-12-27T16:35:02 < zyp> and license is irrelevant for that
2013-12-27T16:35:57 < PaulFertser> zyp: right, but many projects are one-off, you do it, and forget it, so no motivation to contribute.
2013-12-27T16:36:49 < zyp> so in other words they are not distributed anywhere, and then you don't have to give away your changes after all
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2013-12-27T17:01:13 < jpa-> PaulFertser: does someone really go reaping undocumented, poorly tested changes from random one-off branches published at random places?
2013-12-27T17:02:10 < PaulFertser> jpa-: if you put it that way, no, of course not. But I think that's not always the case.
2013-12-27T17:02:37 < jpa-> yeah - me neither; but i think that if someone is going to contribute something useful, he most likely does it independent of the license
2013-12-27T17:03:01 < jpa-> what (l)gpl is good against is evil companies..
2013-12-27T17:03:13 < Steffanx> Not really.
2013-12-27T17:03:17 < Steffanx> Evil companies just dont care.
2013-12-27T17:03:28 < jpa-> well it gave us openwrt :P
2013-12-27T17:03:40 < PaulFertser> Not always. Popular router vendors now have to comply.
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2013-12-27T17:27:52 < Robint91> PaulFertser, LGPL for libopencm3 is the wrong choice
2013-12-27T17:28:07 < Robint91> PaulFertser, does it have a static link expection?
2013-12-27T17:28:59 < Robint91> LGPL + source + static linking = everything LGPL
2013-12-27T17:29:21 < zyp> no
2013-12-27T17:29:24 < Robint91> LGPL + source + dynamic linking = LGPL part stays LGPL
2013-12-27T17:29:34 < zyp> that's not entirely true
2013-12-27T17:29:49 < Robint91> zyp, you need to have a way that the "user" can relink
2013-12-27T17:29:58 < zyp> yes, that is true
2013-12-27T17:30:03 < Robint91> but for embedded project that is almost impossible
2013-12-27T17:30:09 < zyp> and that can be achieved by providing objects for your own code
2013-12-27T17:30:34 < jpa-> it's very much possible
2013-12-27T17:30:49 < jpa-> only if you need DRM or copy protection, it might become difficult
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2013-12-27T17:34:31 < zyp> the nrf btle stack is kinda fun in that regard, it installs it's own svc handler, so every call into it goes through svc
2013-12-27T17:36:14 < Thorn> what about freertos or other stuff that installs its own svc handler
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2013-12-27T17:36:55 < zyp> the nrf stack reserves some svc numbers and passes the rest on to your handler
2013-12-27T17:38:10 < zyp> the nrf stack has the real vector table, so it intercepts every interrupt, handles what it wants, and passes the rest onto your handlers listed in a second vector table
2013-12-27T17:39:32 < Robint91> zyp, really, what mcu are you working on?
2013-12-27T17:40:03 < zyp> w.r.t. nrf? nrf51822
2013-12-27T17:41:01 < Robint91> cm0
2013-12-27T17:41:04 < zyp> yes
2013-12-27T17:49:31 < kuldeepdhaka_> quick question: how will stm32 (f3) will respond to non-existent endpoints. (only 16 mono-ep are available so if request comes for any other 16 ep)
2013-12-27T17:50:49 < kuldeepdhaka_> (stm32f373)
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2013-12-27T18:37:55 < karlp> PaulFertser: _you_ feel that bsd style doesn't motivate to return contributions back to the community.
2013-12-27T18:45:34 < bsdfox> bsd style licenses tend to bring the best contributions imo
2013-12-27T18:45:51 < bsdfox> contributions with serious money behind them
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2013-12-27T19:53:46 < PaulFertser> karlp: yes, right, it's just my feeling, I can't really prove it. I like GNU/Linux, been using it and somewhat improving for many years by now. If, say, NetBSD was so cool, why am I not running it on my smartphone?
2013-12-27T19:54:44 < karlp> I'm not even close to convinced that linux vs bsd the OS is relelvant for a gpl vs bsd style license for all software projects argument :)
2013-12-27T19:55:33 < karlp> in other news, andrey got back to me about  my swo stuff,
2013-12-27T19:55:54 < PaulFertser> I think BSD on i386 and Linux started about the same.
2013-12-27T19:55:54 < karlp> wasn't entirely sure what was missing from oocd, hopefully I've helped him see more
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2013-12-27T19:56:04 < PaulFertser> karlp: nice news!
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2013-12-27T19:59:20 < karlp> if zylin wasn't such a worthless interface I'd be able to refer to more commentary
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2013-12-27T20:02:12 < PaulFertser> Yes, Gerrit sucks for discussing :/
2013-12-27T20:04:02 < karlp> which is it's entire purpose....
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2013-12-27T20:05:30 < zyp> does it really?
2013-12-27T20:06:04 < zyp> I kinda miss gerrit, since we're now using atlassian stash at work
2013-12-27T20:06:24 < karlp> you can't link to any comment, it's just endless clicks to open and close a big list of shit
2013-12-27T20:06:34 < karlp> and the diff viewer only lets you look at a single file at at time
2013-12-27T20:06:46 < zyp> ah, yeah, that's true
2013-12-27T20:06:55 < zyp> I remember hitting the «open all» button
2013-12-27T20:06:55 < karlp> it's disgusting, but hey, it lets you push and pull to submit, so yeah, woo, awesome, everybody shoul dbe required to use it.
2013-12-27T20:07:00 < zyp> can't recommend :p
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2013-12-27T20:07:19 < zyp> well, I still think gerrit is better than stash
2013-12-27T20:07:24 < karlp> haven't used stash :)
2013-12-27T20:07:48 < karlp> it's unpopular, because it's popular, (stupid hipsters) but github's comment inline and pulls are pretty simple and easy
2013-12-27T20:08:00 < zyp> stash doesn't remember revisions of a pull request, so after updating one, the comments stop making sense
2013-12-27T20:08:10 < zyp> I think stash is modelled after github
2013-12-27T20:08:10 < karlp> yeah, gh doesn't do that either,
2013-12-27T20:08:24 < karlp> gh will say, "comment references commit that doesn't exist anymore" at least
2013-12-27T20:08:37 < karlp> but yeah, you don't get much of a review history if you repush -f onto the same pull request
2013-12-27T20:09:03 < karlp> anyway, none of this is helping me work out why I keep getting spruious interrupts+
2013-12-27T20:09:17 < zyp> :p
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2013-12-27T20:11:01 < karlp> only thing I've been hoping to resolve over the christmas break, and it's currently still at the "absolutely fucking no progress whatsoever" stage
2013-12-27T20:11:48 < zyp> well, you've at least started, which is more progress than I have so far :)
2013-12-27T20:11:55 < karlp> not really,
2013-12-27T20:12:05 < karlp> I've been at this place for the last ?5? months?
2013-12-27T20:12:20 < karlp> sit down, try and step over all of it, compare working and non-working code,
2013-12-27T20:12:26 < zyp> what do you mean by spurious interrupts?
2013-12-27T20:12:32 < karlp> yet again, "yup, getting extra irqs, still no idea why"
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2013-12-27T20:13:07 < karlp> I get an "IRQ" from the radio (not sure if it's physically a new edge or not) and then read the irq status, and it's zero,
2013-12-27T20:13:16 < karlp> it's not continuous triggering though,
2013-12-27T20:13:23 < zyp> what hardware setup are we talking here?
2013-12-27T20:13:29 < karlp> just basic spi with an irq line
2013-12-27T20:13:36 < karlp> I have my own driver code that works fine
2013-12-27T20:13:51 < karlp> trying to get the same code in contiki's network layer and it.... sort of works
2013-12-27T20:14:53 < zyp> right, so it's the radio chip that gives spurious irqs?
2013-12-27T20:14:56 < Robint91> bleh git
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2013-12-27T20:15:17 < zyp> or possibly the code on your side that misdetects?
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2013-12-27T20:16:02 < Steffanx> bleh Robint91
2013-12-27T20:23:14 < bsdfox> PaulFertser, bsd got behind during some patent litigation that was eventually dismissed
2013-12-27T20:23:53 < karlp> zyp: yeah, not entirely sure which, but my own version of the code never gives the spurious ints
2013-12-27T20:24:00 < bsdfox> plus the development structure is much slower and more deliberate
2013-12-27T20:24:02 < karlp> reflashing on the same hardware.
2013-12-27T20:24:29 < karlp> worse still, some dude turned up on the contiki irc chat and said how happy he was to have my code, it was working "perfectly" for himi
2013-12-27T20:24:41 < karlp> but I didn't hear any more details
2013-12-27T20:24:50 < karlp> so maybe it wasn't really, just enough for him to believe it was
2013-12-27T20:25:13 < DanielHolth> how is contiki
2013-12-27T20:25:14 < karlp> bsdfox: bsd also has theo, who sounds about as much fun as rms ;)
2013-12-27T20:25:23 < zyp> karlp, how often does it happen?
2013-12-27T20:25:52 < karlp> "slowly" I haven't got around to tracing it with timing yet, and don't have a scope at home, and kept thinking I'd be able to fix it without taking it in to work.
2013-12-27T20:25:58 < bsdfox> karlp, openbsd has theo.. the others ignore him and take good code he writes if applicable
2013-12-27T20:26:11 < karlp> but only like ~500 irqs in 2-3 seconds,
2013-12-27T20:26:43 < karlp> need a bit of swo with the dwt timing turned on, to avoid the scope,
2013-12-27T20:26:58 < karlp> but that would require writing the extensions to swopy to do the dwt timestamping stuff too...
2013-12-27T20:27:10 < karlp> which is on the list, but wasn't on the list for the christmas break ;)
2013-12-27T20:28:45 < karlp> DanielHolth: didn't I see you on the contiki chats recently?
2013-12-27T20:28:50 < karlp> or mqtt?
2013-12-27T20:29:32 < DanielHolth> no
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2013-12-27T20:30:02 < karlp> oh ok,
2013-12-27T20:30:07 < karlp> contiki is... interesting.
2013-12-27T20:30:30 < karlp> it has some very modern academic ipv6 and low power wireless stuff in it,
2013-12-27T20:30:58 < DanielHolth> the radio duty cycling is fascinating
2013-12-27T20:31:17 < karlp> and then it has some gross 6502 windowing toolkits and a giant pile of disgusting broken 8051 ports that don't work properly and examples taht don't compile
2013-12-27T20:31:31 < karlp> but the alternatives are tinyos...
2013-12-27T20:31:35 < karlp> so... contiki's great!
2013-12-27T20:31:53 < DanielHolth> cool
2013-12-27T20:32:12 < DanielHolth> so like being in a balsa boat in the middle of the Pacific
2013-12-27T20:32:17 < karlp> I guess.
2013-12-27T20:32:31 < karlp> no,
2013-12-27T20:32:36 < karlp> it' smore like, there was a balsa boat,
2013-12-27T20:32:40 < karlp> and it was the first boat
2013-12-27T20:32:43 < karlp> and rather than build a better boat,
2013-12-27T20:32:51 < karlp> people kept on adding features to the balsa boat,
2013-12-27T20:32:59 < karlp> refusing to believe that boats could be made out of anythign other than balsa
2013-12-27T20:33:28 < karlp> so you have a balsa boat held together with baling wire, that has satnav and touch screens
2013-12-27T20:33:34 < karlp> but falls apart if a jellyfish bumps into it
2013-12-27T20:33:46 < zyp> :)
2013-12-27T20:33:47 < DanielHolth> swank
2013-12-27T20:34:05 < karlp> oh, and half the crew won't talk to the passengers, and keep rebuilding parts of the boat
2013-12-27T20:34:15 < karlp> but leaving signs up talking about parts of the boat that don't exist anymore
2013-12-27T20:35:06 < karlp> but hey, that's just like, my opinion man.
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2013-12-27T20:56:04 < mtbg> hi
2013-12-27T21:01:21 < jpa-> hello
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2013-12-27T23:03:28 < ds2> holy crap an LPC810 isn't that much expensive then a LM555 and it requires little to no analog glue
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2013-12-27T23:37:19 < Robint91> ds2, it has no AD
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--- Day changed Sat Dec 28 2013
2013-12-28T00:01:53 < Laurenceb_> it has a comparator
2013-12-28T00:01:59 < Laurenceb_> you could hack an a to d
2013-12-28T00:04:32 < mtbg> Laurenceb_: any news about that sw gps?
2013-12-28T00:04:46 < Laurenceb_> what about it?
2013-12-28T00:06:05 < Laurenceb_> i might write some code.. oneday
2013-12-28T00:16:47 < zyp> hmm
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2013-12-28T00:17:36 < zyp> when making a firmware payload that'll contain a new bootloader, what would be the easiest way of embedding the bootloader image in the firmware image?
2013-12-28T00:19:24 < Laurenceb_> ooh
2013-12-28T00:19:25 < Laurenceb_> http://michelebavaro.blogspot.co.uk/2012/08/the-gps-tracker-to-beat-smallest.html
2013-12-28T00:19:29 < Laurenceb_> bindun
2013-12-28T00:19:33 < Robint91> zyp, a zip containing two files, which are separately uploaded
2013-12-28T00:19:53 < zyp> wat?
2013-12-28T00:20:18 < zyp> I'm talking a firmware image as in a freestanding binary that will be flashed
2013-12-28T00:20:37 < Robint91> zyp, you are making things hard
2013-12-28T00:20:49 < zyp> you are not addressing the issue at all
2013-12-28T00:22:01 < zyp> problem: I have a bootloader that expects a firmware streamed over hid set_report requests, I need to upgrade this bootloader
2013-12-28T00:22:35 < zyp> I'm intending to solve this by embedding the new bootloader in a firmware that can be flashed through the old bootloader, which will then overwrite the new bootloader when it runs
2013-12-28T00:23:22 < zyp> the question is what the best way of embedding the new bootloader image in the bootloader-flasher-firmware is
2013-12-28T00:24:48 < Robint91> ah
2013-12-28T00:25:36 < Robint91> const char[] newBootloader = { lots of data);
2013-12-28T00:25:50 < Robint91> or you could do some linker stuff
2013-12-28T00:27:03 < zyp> yeah
2013-12-28T00:28:16 < Robint91> I would go for the first option + some python script to generate that c file
2013-12-28T00:28:34 < zyp> or I could combine the two binaries afterwards with a fixed offset
2013-12-28T00:29:02 < Robint91> zyp, larger binary size in the end
2013-12-28T00:29:07 < zyp> but yeah, generating source is probably good enough
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2013-12-28T00:30:10 < zyp> I should also checksum it so I know it's valid before flashing
2013-12-28T00:31:46 < Robint91> zyp, but you know it is a dangerous operation updating the bootloader
2013-12-28T00:31:47 < zyp> I wonder if I should use the built-in CRC unit, or just checksum it by hand
2013-12-28T00:31:57 < zyp> yes, that's why I want to checksum it
2013-12-28T00:32:41 < Robint91> I did once use the CRC32
2013-12-28T00:32:54 < Robint91> but nowdays I just do a verify operation
2013-12-28T00:33:28 < zyp> I'm not afraid of the flashing failing, I'm more afraid of the firmware image being damaged
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2013-12-28T00:34:32 < Robint91> zyp, mhh, such a sentive device?
2013-12-28T00:35:28 < Robint91> zyp, if the first update (loading the flasher tool with the new bootloader was good), it was a one on one copy, was good
2013-12-28T00:35:35 < Robint91> why would the flash change?
2013-12-28T00:35:47 < Robint91> this is slc flash
2013-12-28T00:36:08 < Robint91> old eeprom tech
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2013-12-28T00:36:14 < Robint91> *old*
2013-12-28T00:36:57 < zyp> Robint91, it's not verified
2013-12-28T00:37:32 < Robint91> when you load the firmware with usb in your device do you do a verification/checksum
2013-12-28T00:37:38 < zyp> no
2013-12-28T00:37:48 < Robint91> ah
2013-12-28T00:38:05 < zyp> I'm not too concerned about data corruption either, I'm more concerned about it failing halfway
2013-12-28T00:38:23 < zyp> because then it will be incomplete, but may still run
2013-12-28T00:38:42 < zyp> which means it might erase the old bootloader, but not successfully flash the new one
2013-12-28T00:38:49 < Robint91> ah
2013-12-28T00:38:59 < zyp> that's why I want to verify the new image before starting erasing the old
2013-12-28T00:39:37 < Robint91> checksum it than
2013-12-28T00:40:21  * Robint91 has a "stateless" bootloader
2013-12-28T00:41:29 < Robint91> it requires commands from a PC to work, like <erase flash>, <program>, <read>, <write verification code>, <reboot device>
2013-12-28T00:41:47 < Laurenceb_> i use the rom bootloader :P
2013-12-28T00:42:06 < Robint91> Laurenceb_, it doesn't do non shitty usb
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2013-12-28T00:45:56 < mtbg> zyp: why hid and not dfu?
2013-12-28T00:46:07 < mtbg> dfu is just as simple
2013-12-28T00:46:55 < Robint91> mtbg, because driver/.inf one windows
2013-12-28T00:47:04 < Robint91> *on
2013-12-28T00:47:13 < zyp> mtbg, it can do both
2013-12-28T00:47:30 < zyp> I have a common loader with both a hid frontend and a dfu frontend
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2013-12-28T01:42:18 < zyp> ok, builtin crc works fine for verification
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2013-12-28T02:38:20 < Laurenceb_> http://uk.farnell.com/keil/mdk-arm/software-mdk-std-std-node-locked/dp/2309940?MER=en-me-pd-r2-acce-sto
2013-12-28T02:38:22 < Laurenceb_> shit
2013-12-28T02:39:25 < Steffanx> poop
2013-12-28T02:39:36 < Steffanx> and: OLD
2013-12-28T02:39:48 < Laurenceb_> price is insane
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2013-12-28T02:55:14 < dongs> sup dongs
2013-12-28T02:55:44 < dongs> Country of Origin: DE Germany
2013-12-28T02:55:48 < dongs> Country in which last significant manufacturing process was carried out
2013-12-28T02:55:48 < dongs> nazi keil
2013-12-28T02:57:43 -!- trepidaciousMBR [~trepidaci@217.155.204.2] has quit [Quit: trepidaciousMBR]
2013-12-28T02:57:57 < ds2> a comparator can be used to do a quick and dirty AD
2013-12-28T03:03:24 < Steffanx> wrong channel ds2?
2013-12-28T03:07:28 < ds2> no, just slow response
2013-12-28T03:08:13 < ds2> p<Robint91> ds2, it has no AD
2013-12-28T03:08:26 < ds2> and that is regarding the LPC810
2013-12-28T03:11:02 < Steffanx> ah :)
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2013-12-28T04:43:29 < zyp> oh, gcc-arm-embedded released 4.8
2013-12-28T04:43:39 < zyp> gcc 4.8 I mean
2013-12-28T04:46:01 < dongs> apparently codesourcery is indevelopemnt too
2013-12-28T04:46:03 < dongs> after mentor buy
2013-12-28T04:46:04 < zyp> OS X variant is apparently delayed until january, since they fucked up some dependencies
2013-12-28T04:46:13 < Steffanx> Did zyp stayed up for the release of it or .. ?
2013-12-28T04:46:14 < dongs> more like noone cares about osx
2013-12-28T04:46:25 < zyp> Steffanx, no, it was released 23.
2013-12-28T04:46:28 < zyp> only noticed now
2013-12-28T04:46:33 < Steffanx> oh ok :P
2013-12-28T04:46:45 < gnomad> i;m curious just what that dependency is....
2013-12-28T04:46:50 < zyp> liblzma
2013-12-28T04:46:53 < gnomad> noticed that a few days ago myseld.
2013-12-28T04:47:01 < zyp> https://bugs.launchpad.net/gcc-arm-embedded/+bug/1263988
2013-12-28T04:47:06 < gnomad> thx!
2013-12-28T04:47:25 < Steffanx> i also read something about it being release with python support for gdb, because os x comes with python
2013-12-28T04:47:32 < Steffanx> but im not sure where i read that
2013-12-28T04:47:43 < Steffanx> *released
2013-12-28T04:47:45 < zyp> I guess they built it on 10.9 which has liblzma, then discovered that it wouldn't run on 10.7 and 10.8 which lacks liblzma
2013-12-28T04:47:51 < zyp> Steffanx, yeah, that's probably true
2013-12-28T04:48:25 < zyp> I wish the linux version also were
2013-12-28T04:48:59 < dongs> lol python
2013-12-28T04:49:34 < qyx_> real pros use c#?
2013-12-28T04:49:41 < qyx_> or vb?
2013-12-28T04:49:43 < gnomad> odd they don't mention 10.6... which still has a pretty wide audience
2013-12-28T04:50:15 < zyp> gnomad, probably because they already broke compatibility with 10.6 a while ago
2013-12-28T04:50:40 < gnomad> heh, I guess what I am using is ancient, then.
2013-12-28T04:51:38 < zyp> you're missing out ;)
2013-12-28T04:52:17 < Steffanx>  10.6 is like windows xp.. people shouldn't be using it anymore nowadays :P
2013-12-28T04:52:41 < zyp> I used xp earlier today :D
2013-12-28T04:53:01 < zyp> then it bluescreened :p
2013-12-28T04:53:09 < dongs> bullshit
2013-12-28T04:54:42 < gnomad> I still use XP for my win VMs.
2013-12-28T04:55:46 < zyp> Steffanx, well, 10.9 is a free upgrade
2013-12-28T04:56:33 < zyp> so unless you're stuck on old hardware, there's not really much reason to stay on 10.6
2013-12-28T04:56:52 < gnomad> Lion is the end of the line for my box and Lion sucks
2013-12-28T04:57:01 < zyp> maybe if you're still stuck with ppc apps that requires rosetta
2013-12-28T04:57:15 < zyp> gnomad, ah, ok
2013-12-28T04:57:33 < gnomad> I still think Snow Leopard in the pinnacle of OSX.
2013-12-28T04:57:46 < dongs> osx never had a pinnacle
2013-12-28T04:57:55 < dongs> its just a bunch of lunix retards going downhill
2013-12-28T04:58:06 < Steffanx> wasnt 10.8 free too?
2013-12-28T04:58:11 < Steffanx> i dont remember
2013-12-28T04:58:12 < zyp> no, just cheap
2013-12-28T04:58:15 < gnomad> now don't you get us started bashing Windows.
2013-12-28T04:58:27 < gnomad> biggest festering pile of shit I have ever seen.
2013-12-28T04:58:34 < zyp> gnomad, I'd argue that 10.8 is better than 10.6
2013-12-28T04:58:35 < Steffanx> gnomad, you fell for it.
2013-12-28T04:58:54 < Steffanx> NEVER EVER EVER EVER argue with things like this with mr dongs ;)
2013-12-28T04:59:01 < Steffanx> *about
2013-12-28T04:59:11 < zyp> I haven't tried 10.9 yet, but I expect it to be even better, with the improved fullscreen stuff
2013-12-28T04:59:27 < gnomad> yeah, I probably would have upgraded to 10.8 if I could.
2013-12-28T04:59:34 < Steffanx> better..
2013-12-28T04:59:45 < gnomad> I've been saying I am going to get rid of this box for years now...
2013-12-28T04:59:55 < zyp> how old is it?
2013-12-28T05:00:02 < gnomad> seven
2013-12-28T05:00:08 < gnomad> macbook pro 2,1
2013-12-28T05:00:31 < Steffanx> Except for the wonderful "window moves to a corner and moves back to it when you try to move it"-crap
2013-12-28T05:00:49 < gnomad> my eyesight sucks, so the 17" "low-res" screen is perfect for me.
2013-12-28T05:01:05 < zyp> Steffanx, did they fix it yet?
2013-12-28T05:01:24 < Steffanx> Nope
2013-12-28T05:01:24 < Steffanx> Last update didnt fix it
2013-12-28T05:02:09 < zyp> 2,1 sounds pretty old, yeah
2013-12-28T05:02:18 < zyp> when I consider that mine is an 8,1 :p
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2013-12-28T05:03:01 < gnomad> Yeah, I'm planning to upgrade to a Haswell box this year.
2013-12-28T05:03:26 < zyp> I built an ivy bridge hackintosh last year, it's pretty nice
2013-12-28T05:03:46 < gnomad> what is the current state of things hackintosh?
2013-12-28T05:04:10 < zyp> I've used it for a year and a half without any major problems
2013-12-28T05:04:28 < gnomad> what about updates breaking things?
2013-12-28T05:05:15 < zyp> been a while since last I updated, but that went fine
2013-12-28T05:05:16 < gnomad> I tried going the hackintosh route on random PC hardware I've acquired over the years and never had good results.
2013-12-28T05:05:45 < zyp> I haven't bothered upgrading to 10.9 yet though
2013-12-28T05:06:00 < Steffanx>  i guess that's your problem.. random hardware ?
2013-12-28T05:06:27 < gnomad> yeah.
2013-12-28T05:06:29 < zyp> support for modern intel stuff seems to be rather good, don't know with AMD
2013-12-28T05:07:07 < gnomad> I never tried it on known good hardware.
2013-12-28T05:08:00 < zyp> I think I'm missing drivers for a couple of the usb3 ports on my motherboard, that's on a different controller from the chipset
2013-12-28T05:08:03 < gnomad> BTW, so what does arm-gcc not like about 10.6?
2013-12-28T05:08:10 < zyp> but the intel usb3 ports work
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2013-12-28T05:08:19 < gnomad> Is the problem limited to the binary-distro?
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2013-12-28T05:08:37 < zyp> hmm, IIRC gdb is linked against python 2.7 and 10.6 only has 2.6
2013-12-28T05:08:55 < zyp> but I might be wrong
2013-12-28T05:09:10 < gnomad> that's no big deal.
2013-12-28T05:09:29 < zyp> depends, it prevents gdb from starting
2013-12-28T05:09:59 < zyp> and I'd argue that gdb is a pretty important tool ;)
2013-12-28T05:10:00 < gnomad> I mean... no reason compiling from source shouldn't work.
2013-12-28T05:10:07 < zyp> yeah, true
2013-12-28T05:10:18 < gnomad> PITA, but meh...
2013-12-28T05:10:56 < gnomad> that's really the only place where my box shows it's age... large compiles.
2013-12-28T05:11:45 < gnomad> RAM is maxed and I have an SSD, so it is still quite snappy otherwise.
2013-12-28T05:11:56 < gnomad> the biggest bottleneck is SATA-1.
2013-12-28T05:12:16 < GargantuaSauce> build on a ramdisk!
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2013-12-28T05:14:04 < gnomad> if I did more large compiles that might be worth benchmarking.
2013-12-28T05:14:18 < gnomad> the SSD did make a huge improvement there.
2013-12-28T05:14:30 < zyp> ram is maxed on my hackintosh too :)
2013-12-28T05:14:35 < zyp> http://bin.jvnv.net/f/c4ZbV.png
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2013-12-28T05:15:08 < gnomad> max on this box is 3 GB
2013-12-28T05:15:23 < gnomad> now *that's* laughable.
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2013-12-28T05:16:41 < zyp> I figured that when I were putting together a new workstation, I'd do it properly so it lasts
2013-12-28T05:18:14 < gnomad> yeah, I dropped $2500 on this box when I bought it.
2013-12-28T05:19:12 < gnomad> all of my previous PC laptops barely made it 2 years...
2013-12-28T05:19:15 < zyp> after seven years, I think you can justify doing that again ;)
2013-12-28T05:19:40 < gnomad> yup.
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2013-12-28T05:20:07 < gnomad> the box is pretty beat up, but otherwise it is in perfect working condition.
2013-12-28T05:20:36 < zyp> my 2011 macbook still feels new, although far from as capable as my workstation
2013-12-28T05:21:28 < zyp> which means that even though I want a retina macbook, I can't justify it for another couple of years
2013-12-28T05:21:48 < gnomad> I will say that I have been taking advantage of apple's battery replacement program on this box.
2013-12-28T05:22:03 < gnomad> I think I am on my 4th battery now.  all replaced free of charge.
2013-12-28T05:22:27 < zyp> oh, that's nice
2013-12-28T05:22:41 < zyp> hmm, how does that work?
2013-12-28T05:23:19 < gnomad> One of the problems with this box was that the batteries are notorious for swelling.
2013-12-28T05:23:19 < zyp> nowadays there's only a one year warranty, I believe
2013-12-28T05:23:41 < gnomad> Not sure if this is a problem with the batteries or the internal charging circuitry.
2013-12-28T05:23:56 < zyp> ah
2013-12-28T05:24:10 < zyp> by the way, how were battery life on macbooks seven years ago?
2013-12-28T05:24:12 < gnomad> but nonetheless, apple has made one of their "special exceptions" on this box.
2013-12-28T05:24:44 < gnomad> About 2.5 - 3.5 hours depending on usage
2013-12-28T05:25:16 < emeb_mac> gnomad: what year macbook do you have?
2013-12-28T05:25:27 < gnomad> I have learned that the magic words when you show up with the bloated battery are "safety issue"
2013-12-28T05:25:43 < gnomad> not sure the year, but it is a 2.1
2013-12-28T05:26:08 < emeb_mac> the one I'm using now is about 5yrs old
2013-12-28T05:26:09 < zyp> 2006 according to wikipedia
2013-12-28T05:26:11 < gnomad> Last time I did it, the guy at the counter said he had never seen a mac that old before.
2013-12-28T05:26:29 < gnomad> Yeah, I think I got it fall 2006.
2013-12-28T05:26:36 < emeb_mac> has the removable battery - I've replaced that once due to swelling.
2013-12-28T05:26:49 < gnomad> I had a stupid amount of 1099 income I needed to offset that year
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2013-12-28T05:27:42 < gnomad> Funny thing is... I bought the machine to run Windows and Linux.... never planned to use OSX.
2013-12-28T05:27:54 < emeb_mac> got sucked in...
2013-12-28T05:28:04 < gnomad> I figured... might as spend a weekend playing with it before I nuke it.
2013-12-28T05:28:24 < gnomad> it has never booted into anything but OSX.
2013-12-28T05:28:53 < zyp> well, OS X has all the nice things from linux, with a usable GUI on top
2013-12-28T05:29:04 < zyp> so that's only natural ;)
2013-12-28T05:29:08 < gnomad> that's pretty much what I discovered.
2013-12-28T05:29:22 < dongs> http://i.imgur.com/Wl7gD5d.jpg scored some nice coils
2013-12-28T05:29:28 < dongs> .15/ea
2013-12-28T05:29:34 < gnomad> the box also came with 10.4, which was also a pretty solid release.
2013-12-28T05:29:57 < zyp> I haven't touched anything older than 10.5
2013-12-28T05:30:05 < zyp> dongs, nice
2013-12-28T05:30:52 < gnomad> It's funny... my first computer was an Apple 2, but I hated Steve Jobs for years because he stunted development of the the Apple 2 so it wouldn't outshine his Mac.
2013-12-28T05:31:10 < Steffanx> dongs went to the local black component market?
2013-12-28T05:31:25 < dongs> doesnt exist in japan
2013-12-28T05:31:26 < gnomad> and then I went right from the Apple 2 to Unix....
2013-12-28T05:31:47 < dongs> zyp can confirm
2013-12-28T05:32:11 < zyp> huh?
2013-12-28T05:32:15 < gnomad> so yeah... I've laughed at every single version of Windows since 1.0.
2013-12-28T05:32:34 < dongs> local jp parts market where you can buy reels of shit at decnt prices
2013-12-28T05:33:23 < zyp> ah, true
2013-12-28T05:34:15 < zyp> might find some shit in akihabara, but that's far from local to you, and I don't know about price
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2013-12-28T05:35:05 < dongs> there isnt anyway
2013-12-28T05:35:18 < dongs> ]i needed some 0805 R/Cs
2013-12-28T05:35:23 < dongs> they didnt evn ahve that
2013-12-28T05:35:31 < dongs> only dip trash
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2013-12-28T05:36:31 < zyp> I know I saw reels somewhere once, but I don't remember what was on them
2013-12-28T05:39:14 < dongs> reels of dips
2013-12-28T05:41:24 < zyp> hah, no
2013-12-28T05:41:43 < Steffanx> hobby bobby market ...
2013-12-28T05:42:41 < dongs> hobby shouldn't mean "retarded"
2013-12-28T05:43:07 < zyp> most of my stuff is hobby too :p
2013-12-28T05:43:26 < zyp> including the bga board I did :p
2013-12-28T05:43:27 < Steffanx> hobby-bobby = ~arduino level
2013-12-28T05:44:13 < dongs> until you buy arduino pro
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2013-12-28T05:44:19 < dongs> then you're  talkin serious progress
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2013-12-28T05:45:09 < dongs> arduino pro: pin headers still not aligned
2013-12-28T05:47:20 < emeb_mac> takes skillz to keep headers mis-aligned just so.
2013-12-28T05:50:56 < Steffanx> they have a special version of EAGLE  that has the headers coded on the right place..
2013-12-28T05:50:59 < dongs> http://www.sainsmart.com/arduino/control-boards/arduino-uno-r3-development-board-atmega328p-pu-atmel-atmega16u2.html
2013-12-28T05:51:02 < dongs> retweeting
2013-12-28T05:51:12 < dongs> Steffanx: i thoguht that was fritzing
2013-12-28T05:52:52 < Steffanx> :P
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2013-12-28T06:03:36 < emeb_mac> you are now drunk - go home.
2013-12-28T06:05:34 < emeb_mac> at work?
2013-12-28T06:07:07 < emeb_mac> Got my 10-bit ADC board running the other night.
2013-12-28T06:07:34 < emeb_mac> haven't gotten the combined DAC/ADC board designed yet - working with another guy on it.
2013-12-28T06:07:58 < emeb_mac> schematic is 99% but still doing layout.
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2013-12-28T06:59:31 < karlp> here, some icelandic muzak should help: http://www.youtube.com/watch?v=Z9ySLikFh8o
2013-12-28T07:03:12 < emeb_mac> what is it about iceland? bjork, sigur ros, gusgus...
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2013-12-28T07:04:59 < karlp> oh, more than that :)
2013-12-28T07:05:07 < karlp> I don't live here because it sucks :)
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2013-12-28T07:07:44 < karlp> emeb_mac: you'd love iceland and it's squelchy techno, you should come visit :)
2013-12-28T07:08:33 < emeb_mac> I was there once when I was 4. (stopover at the airport on the way from US -> DE)
2013-12-28T07:08:57 < karlp> come again, come to the lava side, we have music!
2013-12-28T07:09:09 < emeb_mac> and fish!
2013-12-28T07:09:13 < karlp> yes. and fish
2013-12-28T07:09:18 < karlp> and aluminium
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2013-12-28T07:09:40 < emeb_mac> aluminum?
2013-12-28T07:11:53 < karlp> no, I refuse to pronounce it that way :)
2013-12-28T07:12:17 < emeb_mac> ah - siding with the brits on that one?
2013-12-28T07:13:01 < karlp> well, I grew up in aus.
2013-12-28T07:13:25 < karlp> icelanders would just say ál. (pronounced owl)
2013-12-28T07:13:31 < karlp> so...  you win? lose?
2013-12-28T07:13:31 < emeb_mac> til Al is a big export for iceland
2013-12-28T07:13:53 < emeb_mac> must be geothermal power or something
2013-12-28T07:13:57 < karlp> not just a big export, big environmental issue too
2013-12-28T07:14:00 < karlp> yeah, cheap power
2013-12-28T07:14:39 < karlp> you know you done fucked up when you underbid brazil and jamaica on usd/kwh
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2013-12-28T07:15:44 < emeb_mac> http://www.youtube.com/watch?v=dwOOBnPR0JM
2013-12-28T07:19:24 < gnomad> if you're gonna watch it, at least watch a proper version.... http://www.public.asu.edu/~mharp/viking_kittens/VikingKitten.htm
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2013-12-28T07:27:00 < karlp> I have a shovel for snow/ice that some friends gave me?
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2013-12-28T07:27:22 < karlp> I had a rusty knife I dug out of the harbour that my brother took a liking to and took home one night?
2013-12-28T07:27:42 < karlp> I'm not entirelty sure that icelanders are truly any sort of "badass vikings"
2013-12-28T07:28:36 < karlp> as best as I can follow (zyp may have other opinions) icelanders were a nice mix of criminals avoiding persecution/justice in norway, and second/third sons who had no future back home who took the sea
2013-12-28T07:28:52 < karlp> and really? no, swedes aren't "badass vikings" either
2013-12-28T07:29:03 < karlp> maybe some, maybe a few hundred years ago
2013-12-28T07:29:16 < karlp> maybe before the russians beat them into the sea
2013-12-28T07:29:36 < karlp> their time has come, and it has gone :)
2013-12-28T07:30:23 < karlp> nah, they were too busy arguing about wich version of their own language they wanted to use ;)
2013-12-28T07:30:40 < karlp> (again, zyp may/probably has other opinions)
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2013-12-28T07:30:55 < karlp> here's a story about icelandic/faroese settlement that may help.
2013-12-28T07:31:03 < karlp> so, you've got these angry young men,
2013-12-28T07:31:24 < karlp> and they're like, "fuck this scandi bullshit, we're better than that, we're all badass mofos"
2013-12-28T07:31:55 < karlp> and they're like, "fuck off dad, fuck you and you're fucking content lame ass life, we're goign to go and fuck shit up, and bling, and shit"
2013-12-28T07:32:02 < karlp> and they get in their boats
2013-12-28T07:32:18 < karlp> and sail off, all well drunk, and full of.... something.
2013-12-28T07:32:38 < karlp> and then they realise they got in a pile of boats of all men/boys
2013-12-28T07:32:52 < karlp> and even though baird was all like, "oooooohh yeahhhhhhh boysssss"
2013-12-28T07:33:10 < karlp> the rest of these chaps were like, "fuck this y0"
2013-12-28T07:33:30 < karlp> so they pulled up in scotland and the hebrides and shit
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2013-12-28T07:33:42 < karlp> and scored themsleves some young redheads
2013-12-28T07:33:56 < karlp> and while they were they thought that a few cows wouldn't hurt
2013-12-28T07:34:07 < karlp> maybe they'd be good on a bbq or something
2013-12-28T07:34:18 < karlp> and then they got back in their boats
2013-12-28T07:34:27 < karlp> because man, fuck, have you _been_ to the hebrides?
2013-12-28T07:34:32 < karlp> that shit is fucked up
2013-12-28T07:34:40 < karlp> "good weather" is ay old chap
2013-12-28T07:35:30 < karlp> and then, cruising along singing songs about how much better it was at sea with scottish cows and british girls and not having to deal with norwegian kings, they were just living the high life
2013-12-28T07:35:45 < karlp> and some of them "found their way/got lost" and landed in the faroes
2013-12-28T07:35:56 < karlp> and the others "found their way/got lost" and ended up in iceland
2013-12-28T07:36:05 < qyx_> :D
2013-12-28T07:36:17 < karlp> no, not at all.
2013-12-28T07:36:23 < karlp> I come way later
2013-12-28T07:36:30 < karlp> I'm half australian
2013-12-28T07:36:38 < karlp> pfff
2013-12-28T07:36:48 < karlp> tell us a story then rocket boy
2013-12-28T07:40:17 < karlp> iceland doesn't even have an army
2013-12-28T07:40:36 < karlp> be kinda intersting geopolitically if someone tried anything though :)
2013-12-28T07:41:02 < karlp> just imagine, not spending xx% of gdp on "defense"
2013-12-28T07:49:27 < emeb_mac> who comes up with these words: Eyjafjallajökull
2013-12-28T07:51:34 < gnomad> The name Eyjafj?ll is made up of the words eyja (genitive plural of ey, meaning eyot or island), and the plural word fj?ll, meaning fells or mountains), and together literally means: "the mountains of the islands".
2013-12-28T07:53:52 < qyx_> and the jōkull?
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2013-12-28T08:07:41 < karlp> sorry gents, after party arrived at home, a fe interruptions right now.....
2013-12-28T08:17:38 < emeb_mac> we'll survive. probably...
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2013-12-28T11:17:47 < dongs> just got a DTA-2107. $90 of parts for 2.6k eur. what a fuckin scam
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2013-12-28T13:15:10 < Robint91> hi all
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2013-12-28T13:48:53 < dongs> <kOStIX> www.prototeep.com/microcnc.jpg
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2013-12-28T14:00:46 < madist> that looks totally awesome, dongs
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2013-12-28T14:05:40 < madist> dongs: does the guy have a website ?
2013-12-28T14:07:42 < dongs> haha no just a retweet from irc
2013-12-28T14:07:48 < dongs> looks like mechanisms from 5.25" cdroms
2013-12-28T14:07:50 < dongs> or maybe floppies
2013-12-28T14:08:04 < dongs> i think prototeep is his shit but I duno if he blogs on it or wat
2013-12-28T14:08:10 < dongs> he just pastes random images from time to time
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2013-12-28T14:14:32 < Robint91> bleh
2013-12-28T14:14:51 < Robint91> someone here experience with usb suspend
2013-12-28T14:17:01 < dongs> im sure zyp has
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2013-12-28T14:32:37 < Tectu> hello, dongs
2013-12-28T14:44:51 < baird> I suck at blogging: http://kildall.apana.org.au/~cjb/wordpress/the-20000-km-postie-bike-camping-trip-around-australia
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2013-12-28T14:48:21 < Tectu> oh, baird is back.
2013-12-28T14:48:51 < Tectu> «met hundreds of great people (and 2 arseholes)»
2013-12-28T14:49:01 < Tectu> must have met dongs
2013-12-28T14:49:37 < baird> I'm still homeless and unemployed, though. Currently bludging from my mother's front porch. :D
2013-12-28T14:49:44 < Tectu> this is crazy man.... 20'000km
2013-12-28T14:49:48 < Tectu> how the fuck could you afford that
2013-12-28T14:49:56 < Tectu> not to mention the not existing income for those 149days
2013-12-28T14:50:42 < baird> Sydney Motorcycle monies -> no Sydney -> repurpose the monies
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2013-12-28T14:53:09 < Tectu> so was it worth the trip/efford?
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2013-12-28T14:53:12 < Tectu> effort*
2013-12-28T14:53:27 < baird> Met a few people with 'off the grid incomes'-- mostly gold prospectors and fossickers. One of them was a ~26yo guy from New Zealand who'd been at it around Australia for just over two year.s
2013-12-28T14:54:07 < Tectu> so did baird get the already old F429i-Discovery board on his way?
2013-12-28T14:54:41 < baird> Awesome trip. I'm going to bother a TV station into making a series about /Australians/ travelling around Australia.. Aside from the retiree 'Grey Nomands', every other traveller was a sticky foreigner.
2013-12-28T14:54:59 < baird> *stinky
2013-12-28T14:55:34 < baird> Nah, going to wait until I have a real roof over my head.
2013-12-28T14:55:54 < Tectu> time to play with ugfx 2.0 until then (joking)
2013-12-28T14:57:09 < baird> "...therefore, we cannot rape Giovannis forum anymore"
2013-12-28T14:57:27 < Tectu> so?
2013-12-28T14:57:42 < Tectu> yeah, probably not the best wording there
2013-12-28T14:57:56 < Tectu> where did you find that, btw?
2013-12-28T14:58:06 < Tectu> I remember writing that, but I don't know anymore where
2013-12-28T14:59:43 < baird> That was supposed to be a hint that I was checking-up on the ChibiOS/GFX uGFX work, dullard.
2013-12-28T15:00:45 < Tectu> I know. yet that sentence stands somewhere.
2013-12-28T15:02:11 < baird> lol doom
2013-12-28T15:03:29 < Tectu> :P
2013-12-28T15:04:19 < Tectu> baird, we have added a real streaming interface. Your bouncing ball demo "hacked" it. there's now gdispStartStream() etc.
2013-12-28T15:06:55 < baird> That was mentioned going in before I left. Can't see anything about cameras.
2013-12-28T15:08:14 < Tectu> no cameras yet.
2013-12-28T15:08:23 < Tectu> GCAM is on the todo list
2013-12-28T15:08:28 < Tectu> but always something more important shows up.
2013-12-28T15:09:18 < Tectu> I wanted to begin the work on GCAM this morning. but I'll do some more documentation work first. lots and lots of stuff missing
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2013-12-28T15:09:40 < Tectu> there's now also a window manager (just basics, thought. Stuff like moving, resizing, overlapping etc)
2013-12-28T15:11:23 < baird> Good to see the multiple-display work, though.
2013-12-28T15:12:54 < Tectu> jup, that can be handy.
2013-12-28T15:13:05 < Tectu> the remote display was just some forced use case for it.
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2013-12-28T15:14:56 < dongs> c o  c   k    s
2013-12-28T15:17:55 < Tectu> baird, freertos port is on it's way as well. it's already working. just needs some major cleanup
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2013-12-28T15:31:52 < Robint91> zyp, did you do remote wakeup on usb?
2013-12-28T15:32:36 < zyp> not yet
2013-12-28T15:32:43 < zyp> but it seems pretty easy
2013-12-28T15:32:45 < Tectu> lol
2013-12-28T15:33:27 < zyp> hmm
2013-12-28T15:33:37 < zyp> Robint91, are you thinking about waking up the host or the device?
2013-12-28T15:33:45 < Robint91> zyp, host
2013-12-28T15:33:52 < zyp> ok, that should be easy
2013-12-28T15:35:04 < zyp> you just tell the usb peripheral in your chip to do a reset sequence on the bus during a suspend
2013-12-28T15:35:43 < baird> Woohoo, --sync'ing Gentoo after 180 days.
2013-12-28T15:35:56 < Steffanx>  bye bye baird
2013-12-28T15:36:54 < zyp> not reset, resume
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2013-12-28T15:42:37 < Robint91> zyp, mhh seems to work
2013-12-28T15:42:49 < Robint91> zyp, that 500uA limit on suspend is HARD
2013-12-28T15:43:16 < Robint91> my sensor that detects if the PC needs to start uses more as that
2013-12-28T15:44:18 < Steffanx> lol Robint91
2013-12-28T15:44:39 < zyp> it's probably as much abused as all the other usb current limits :p
2013-12-28T15:46:32 < Robint91> zyp, yeah
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2013-12-28T16:01:40 < ashfaq> hi, for my project I am using stm32f4discovery board and now i need to design a shield for the disovery board. Where can I find altium library files for discovery board?
2013-12-28T16:01:44 < ashfaq> thanks :)
2013-12-28T16:03:12 < Steffanx> Does ST even release those? Except for the basic schematics + board layout in the docs
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2013-12-28T16:04:39 < ashfaq> I dino not find it on the ST website, wanted to know if anyone has done it...
2013-12-28T16:05:07 < ashfaq> I have found the same for eagle
2013-12-28T16:11:55 < Tectu> ashfaq, altium files are on the download page
2013-12-28T16:12:11 < Tectu> at least they used to be, let me check
2013-12-28T16:12:44 < Tectu> at least gerbers are there
2013-12-28T16:12:44 < Tectu> http://www.st.com/web/catalog/tools/FM116/SC959/SS1532/PF252419
2013-12-28T16:13:18 < Tectu> hmm, I can remember reading 'altium files' on certain boards... not sure if that was on the old page, thought
2013-12-28T16:15:26 < ashfaq> yeah, gerbers are there. I want to design the daughter board so that it fits with the discovery. I plan to use the discovery instead of desinging that also. I know the discovery board was designed in altium
2013-12-28T16:15:32 < ashfaq> thanks Tectu
2013-12-28T16:15:55 < Tectu> what's the problem anyway? Just open the damn user manual and read out the spacing of the headers form the mechanical drawing.
2013-12-28T16:16:18 < Tectu> or measure
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2013-12-28T16:16:52 < ashfaq> yes, need to do that now. Was just checking if there was one already done in the community
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2013-12-28T16:22:10 < Tectu> I assume that there will be dozens for eagle, but none for altium as people that use altium are usually not the open source people. (bit IMHO)
2013-12-28T16:22:14 < Tectu> s/bit/big
2013-12-28T16:23:41 < Steffanx> gerber files/schematics ~open source :P
2013-12-28T16:26:00 < ashfaq> I agree, I use kicad, need to use altium now cause of company policy :P
2013-12-28T16:27:08 < Tectu> fuck company policy, that's how I do it
2013-12-28T16:27:29 < Tectu> where I worked before they used P-CAD (it's the thing before altium). I kept using KiCAD
2013-12-28T16:27:35 < Steffanx> Fuck Tectu is what the company policy is when Tectu does that
2013-12-28T16:27:39 < Laurenceb_> where i work they have no policy :P
2013-12-28T16:27:47 < ashfaq> hahaha!
2013-12-28T16:28:00 < Tectu> the policy is "Get the fucking work done and do it the right way"
2013-12-28T16:28:00 < Laurenceb_> if fact they dont even have an employment policy...
2013-12-28T16:28:02 < ashfaq> guess thats where I;m headed :D
2013-12-28T16:28:15 < Steffanx> Laurenceb_ is the only employee
2013-12-28T16:28:18 < Laurenceb_> they are too lazy to draw it up
2013-12-28T16:28:22 < Laurenceb_> nope, ~30
2013-12-28T16:28:28 < Steffanx> uni crap not?
2013-12-28T16:28:30 < ashfaq> which company is that?! would love to join
2013-12-28T16:28:35 < Laurenceb_> uni spinout
2013-12-28T16:28:47 < Laurenceb_> most of the staff spend their days at the golf club
2013-12-28T16:28:47 < ashfaq> nice!
2013-12-28T16:28:59 < Steffanx> all sponsored by the uni i guess?
2013-12-28T16:29:05 < Laurenceb_> literally no work is ever done, not even employment contracts
2013-12-28T16:29:07 < Laurenceb_> yup
2013-12-28T16:30:10 < Laurenceb_> boss has been being asked to make a 5 minute phone call to a supplier for 4 months now
2013-12-28T16:30:30 < Laurenceb_> and they guy who was supposed to hand populate some pcbs made 4 in 3 years
2013-12-28T16:30:36 < ashfaq> shit that must be boring to work there
2013-12-28T16:32:28 < Laurenceb_> they sell a PhD students project from 1998 and have subcontracted manufacturing out
2013-12-28T16:32:30 < Steffanx> do they still here Laurenceb_?
2013-12-28T16:32:36 < Steffanx> *hire
2013-12-28T16:32:54 < Steffanx> Perfect job for me.. "literally no work is ever done" :D
2013-12-28T16:33:11 < Laurenceb_> heh
2013-12-28T16:33:30 < Laurenceb_> but soon.. the last reel of strongarm will be used up
2013-12-28T16:33:32 < Laurenceb_> muhahaha
2013-12-28T16:33:39 < Laurenceb_> then someone will have to do some work
2013-12-28T16:34:24 < Laurenceb_> http://en.wikipedia.org/wiki/File:DEC_StrongARM.jpg  <- this
2013-12-28T16:34:38 < Tectu> w00t
2013-12-28T16:34:44 < Steffanx> I pictured your strong arm in my head
2013-12-28T16:34:59 < Steffanx> The arm-crusher it is
2013-12-28T16:35:19 < Laurenceb_> heh
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2013-12-28T16:42:43 < Steffanx> and Laurenceb_ didn't start on a STM32 replacement yet?
2013-12-28T16:42:53 < Steffanx> Secretly..
2013-12-28T16:43:46 < Laurenceb_> they dont have the source code...
2013-12-28T16:44:10 < BrainDamage> he's planning a stm32 replacement
2013-12-28T16:44:17 < BrainDamage> he's working on the mask layouts
2013-12-28T16:44:21 < Laurenceb_> yup
2013-12-28T16:44:51 < Steffanx> you dont need the source, you can write an emulator and run it on an F4 :)
2013-12-28T16:45:04 < Laurenceb_> haha
2013-12-28T16:46:11 < Laurenceb_> but strongarm is pretty fast
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2013-12-28T16:47:08 < Tectu> shouldn't it be called fastARM then? I think that strongARM means that he can work with heavier electronics, no?
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2013-12-28T17:19:52 < mtbg> fast arm would be somewhat funny
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2013-12-28T17:47:35 < dongs> blogARM
2013-12-28T17:47:44 -!- madis_ is now known as madist
2013-12-28T17:59:28 < Steffanx> Go use your blogARM to blog something dongs
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2013-12-28T19:02:06 < qyx_> O_o 8m ultrasonic sensor with 0-10V output for $300+
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2013-12-28T20:34:18 < englishman> http://mbed.org/blog/entry/STM32-support-is-coming-in-mbed/
2013-12-28T20:34:20 < englishman> is this news?
2013-12-28T20:35:14 < gnomad> it has been "coming" for a while now.
2013-12-28T20:35:26 < gnomad> The news will be when it is complete and stable.
2013-12-28T20:35:35 < Robint91> mbed = nasty online c++ shit ?
2013-12-28T20:36:15 < englishman> i heard something about "compiling online" dont know much else
2013-12-28T20:37:13 -!- kuldeepdhaka [~kuldeepdh@117.254.221.164] has quit [Ping timeout: 245 seconds]
2013-12-28T20:37:43 < gnomad> yes, initially mbed was online only.
2013-12-28T20:38:04 < gnomad> they made a local-compile version available a while back.
2013-12-28T20:40:36 < gnomad> also, C++ isn not inherently nasty on MCUs.
2013-12-28T20:40:55 < gnomad> It can be quite useful *if* it is used properly.
2013-12-28T20:41:38 < gnomad> (and very few people know how to use C++ properly in general, and fewer still on micros...)
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2013-12-28T20:58:39 < madist> C++ is appropriate on large projects
2013-12-28T20:58:48 < madist> I don't see how C++ is relevant on an mcu
2013-12-28T20:58:53 < madist> unless its something really big.
2013-12-28T20:58:58 < madist> like Toyota's ECU
2013-12-28T21:00:28 < gnomad> Proper use of templates is a great way to do hardware abstraction.
2013-12-28T21:03:50 < gnomad> I should point out that I am generally not a fan of C++, both as a language and how it is generally used, but I can see the applicability of a very select subetset of C++11 for MCU development.
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2013-12-28T21:31:28 < kuldeepdhaka_> i soldiered stm32f373 mcu on lqfp->dip (64pins) and tested all the connections for swd(io, clk, gnd, vcc, nrst) and connected to a stm32f4discovery swd, using openocd i tried to flash libopencm3 blink, but openocd fails with "Error: init mode failed" , the onboard f4 controller is also not working (it also has  a led blink example) , means its also in reset state. when i remove the f3 power (the soldored one) the f4 (discovery one) works.    i ha
2013-12-28T21:31:28 < kuldeepdhaka_> ve checked all the minimum pins to communicate and also checked for short circuit. im lost
2013-12-28T21:36:46 < kuldeepdhaka_> http://ow.ly/s7jme this guy also had problem, so i tried heating with hot air gun but still no hope
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2013-12-28T21:58:03 < jpa-> kuldeepdhaka: measure vcc, nrst voltages
2013-12-28T21:58:09 < jpa-> near the chip
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2013-12-28T21:59:13 < kuldeepdhaka> VCC ~2.9V and nrst ~150mv(low)
2013-12-28T21:59:24 < kuldeepdhaka> doc says voltage range 2V to 3.6V
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2013-12-28T21:59:32 < jpa-> so something is holding nrst low
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2013-12-28T22:00:08 < jpa-> kuldeepdhaka: have you connected all the VCC pins to the stm32, including Vdd_adc?
2013-12-28T22:00:13 < kuldeepdhaka> powering directly from stm32f4discovery , and jumpers exchanged , active swd: stlink
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2013-12-28T22:01:38 < jpa-> kuldeepdhaka: have you connected all the VCC pins to the stm32, including Vdd_adc?
2013-12-28T22:02:19 < Thorn> why 2.9v? is there a lot of current?
2013-12-28T22:02:28 < karlp> my discos all say 2.9v too
2013-12-28T22:02:41 < jpa-> discoverys have a diode after the 3.3V reg
2013-12-28T22:03:31 < Laurenceb_> i shorted that :P
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2013-12-28T22:04:49 < kuldeepdhaka> jpa-, no, do i have to? 1 VCC and 1 GND only
2013-12-28T22:05:13 < Thorn> yes you have to
2013-12-28T22:05:15 < jpa-> kuldeepdhaka: you definitely should, as it may have crashes otherwise
2013-12-28T22:05:44 < jpa-> kuldeepdhaka: but i bet your current problem is that Vdda is not connected - the reset logic is powered from there so it is holding NRST low
2013-12-28T22:06:18 < jpa-> kuldeepdhaka: also remember to have a few capacitors on the VCC lines close to the STM32
2013-12-28T22:06:26 < kuldeepdhaka> Thorn, jpa- ok
2013-12-28T22:06:35 < jpa-> (otherwise don't come complaining to us if all your code is crashing randomly :)
2013-12-28T22:14:24 < kuldeepdhaka> flashed
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2013-12-28T22:46:33 < kuldeepdhaka> hardfault after entering in main but thats another thing
2013-12-28T22:46:36 < kuldeepdhaka> Thank you jpa- Thorn karlp :D
2013-12-28T22:48:21 < kuldeepdhaka> http://pastebin.com/ftGEvxXW
2013-12-28T23:10:32 < Thorn> whoever came up with white colored segments on 7-seg displays (when not on that is) should have their eyes donated to science
2013-12-28T23:10:43 < Thorn> they're difficult to read in direct light.
2013-12-28T23:14:33 < jpa-> non-reflective displays are always difficult to read in direct light, it is only a matter of intensity
2013-12-28T23:16:57 < Thorn> http://www.gammon.com.au/images/Arduino_forum_89535.jpg
2013-12-28T23:23:33 < jpa-> usually you install a dark gray/red front plate for that kind of displays
2013-12-28T23:23:40 < jpa-> makes it much better
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2013-12-28T23:44:17 < Laurenceb_> so they should make the segments black?
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2013-12-28T23:48:13 < jpa-> well they could make the surface dark and translucent
2013-12-28T23:48:19 < jpa-> instead of white and diffused
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--- Day changed Sun Dec 29 2013
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2013-12-29T00:35:53  * Robint91 has made an awesome amp
2013-12-29T00:35:56 < Robint91> 12 supply
2013-12-29T00:36:04 < Robint91> output voltage 40 to -40 Volts
2013-12-29T00:36:07 < Robint91> MAGIC
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2013-12-29T02:26:03 < mervaka> you can say its magic when Pin > Pout
2013-12-29T02:26:16 < mervaka> :p
2013-12-29T02:26:37 < zyp> Pout > Pin would be even better
2013-12-29T02:28:55 < mervaka> sorry, its late ;/
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2013-12-29T02:29:17 < mervaka> *fail*
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2013-12-29T06:35:35 < upgrdman> found this awesome how to:  http://www.youtube.com/watch?v=oGsLbKltjxo     ... its a whole channel of similar how to's too! SCORE!
2013-12-29T06:36:03 < gnomad> heh
2013-12-29T06:37:01 < gnomad> I saw this one just a few days ago... http://www.youtube.com/watch?v=zFVBsobIdUE#t=46
2013-12-29T06:37:17 < gnomad> I guess this must be a "thing"
2013-12-29T06:38:13 < upgrdman> lol awesome
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2013-12-29T07:11:56 < dongs> upgrdman: ....
2013-12-29T07:12:04 < dongs> clicked hoping it was actually something useful
2013-12-29T07:14:09 < gnomad> well, it's very useful if you have a leaky faucet...
2013-12-29T07:22:53 < dongs> or if youre 13
2013-12-29T07:30:28 < gnomad> I think 13 year olds can find better pr0n these days.
2013-12-29T07:32:38 < dongs> then its ust completely worthless
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2013-12-29T07:58:26 < englishman> http://i.imgur.com/AQZwXGn.jpg
2013-12-29T07:58:30 < englishman> wow... desperate
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2013-12-29T08:03:50 < dongs> new idea for youtube channel: flir vaginas
2013-12-29T08:04:22 < dongs> use Ex cam that takes thermal and regular pic and embeds them both into single .jpg that defaults  to showing thermal
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2013-12-29T08:25:24 < englishman> attn dongs: innovation http://www.indiegogo.com/projects/no-more-woof
2013-12-29T08:27:21 < dongs> these dudes need some furcecution asap
2013-12-29T08:27:31 < dongs> is their theme song what does the fox say
2013-12-29T08:33:36 < gnomad> holy crap people are idiots
2013-12-29T08:38:20 < dongs> totally legit
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2013-12-29T12:23:18 < dongs> http://www.prototeep.com/microcnc2.jpg
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2013-12-29T12:32:30 < baird> Looks like a 5.25" floppy drive at first glance..
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2013-12-29T12:34:19 < baird> Hella old-skool using wood, dude.
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2013-12-29T13:07:56 < dongs> dix
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2013-12-29T13:20:54 < dongs> so who actaully uses xmos
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2013-12-29T13:27:11 < Devilholk> In stm32f1xx, does the reset instruction reset the MCU so hard that it reads the boot pins or does it just reset to whatever boot mode that was already selected?
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2013-12-29T13:28:50 < dongs> check the boot mode appnote
2013-12-29T13:28:52 < dongs> i think it checks on reset
2013-12-29T13:29:19 < dongs> http://www.st.com/st-web-ui/static/active/en/resource/technical/document/application_note/CD00167594.pdf
2013-12-29T13:30:40 < Devilholk> They talk about system reset
2013-12-29T13:30:47 < Devilholk> But I dont know if the reset instruction counts as that too
2013-12-29T13:31:08 < Devilholk> That is the doc I am reading now
2013-12-29T13:31:22 < dongs> what is "reset instruction"? AIRCR?
2013-12-29T13:32:12 < dongs> just tested it
2013-12-29T13:32:17 < dongs> it samples boot pins.
2013-12-29T13:32:29 < Devilholk> Coolers
2013-12-29T13:32:44 < Devilholk> Thanks
2013-12-29T13:33:07 < Devilholk> I am trying to figure out a way to hack this cluster of MCU's to be able to reprogram them. They are all in a huge daisy chain
2013-12-29T13:33:26 < dongs> haha this is funny
2013-12-29T13:33:34 < dongs> in my manual reset function
2013-12-29T13:33:38 < dongs> I set a value in sram
2013-12-29T13:33:38 < Devilholk> So I could tell the one before the one I want to reprogram to change boot pin on the next one and then make them all behave as repeaters
2013-12-29T13:33:43 < dongs> and reset via aircr, right
2013-12-29T13:34:01 < dongs> so I did manual reset, while shorting boot0 or hwatever
2013-12-29T13:34:06 < dongs> it went to system bootloader, as expected
2013-12-29T13:34:14 < dongs> i flashed the stuff via flash loader (reloaded flash)
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2013-12-29T13:34:23 < dongs> and when it executed, it went right back to bootloader
2013-12-29T13:34:32 < dongs> (i have leds that turn on before it jumps to bl)
2013-12-29T13:34:34 < Devilholk> Because that value?
2013-12-29T13:34:37 < dongs> yes
2013-12-29T13:34:39 < dongs> the value survived
2013-12-29T13:34:41 < dongs> over reflash as well
2013-12-29T13:34:53 < Devilholk> So I can set that value instead of hardware pin pulling?
2013-12-29T13:35:05 < dongs> no, this is custom code i have in reset vector
2013-12-29T13:35:09 < Devilholk> Ah ok
2013-12-29T13:35:15 < dongs> that jumps to bl if something in sram is set
2013-12-29T13:35:31 < Devilholk> Can I jump to boot loader programmatically?
2013-12-29T13:35:36 < dongs> of course
2013-12-29T13:35:40 < Devilholk> I mean, the boot loader is somewhere in memory space
2013-12-29T13:35:44 < dongs> yes
2013-12-29T13:35:47 < Devilholk> Then that is better
2013-12-29T13:35:51 < Devilholk> Less hardware stuff
2013-12-29T13:35:58 < dongs> https://github.com/multiwii/baseflight/blob/master/src/drv_system.c#L182
2013-12-29T13:36:24 < dongs> https://github.com/multiwii/baseflight/blob/master/src/baseflight_startups/startup_stm32f10x_md_gcc.S#L64
2013-12-29T13:36:30 < Devilholk> deadbeef =P
2013-12-29T13:36:31 < dongs> but you can jump from userspace too
2013-12-29T13:36:37 < dongs> doesn't have to be in startup asm.
2013-12-29T13:38:21 < dongs> also keeping it in sram is kinda ghetto
2013-12-29T13:38:28 < dongs> the real "proper" way is to use bkup registers
2013-12-29T13:38:43 < dongs> sram isn't "guaranteed" to live across reset tho it does
2013-12-29T13:41:53 < Devilholk> I am thinking that I will just send a command that means "reboot yourself into boot loader"
2013-12-29T13:42:03 < dongs> thats waht I did in teh code I pasted
2013-12-29T13:42:19 < dongs> but I also reset, just to make sure all interrupts/dma/crap is cleared
2013-12-29T13:42:31 < dongs> if you cancel all interrupts + crap you can probly just jump to bl
2013-12-29T13:42:48 < dongs> without reset
2013-12-29T13:43:48 < Devilholk> I see you are doing something in your Reboot_Loader
2013-12-29T13:44:02 < dongs> just blinking leds and shit.
2013-12-29T13:44:11 < Devilholk> Ah ok
2013-12-29T13:44:36 < Devilholk> So basically I just need to turn off interrupts, clear all DMA and jump to ROM?
2013-12-29T13:44:46 < Devilholk> ROM will setup serial and stuff
2013-12-29T13:44:54 < dongs> yeah
2013-12-29T13:45:16 < Devilholk> Cool. Thanks for the help, this will make things easier for me
2013-12-29T13:45:21 < dongs> ive never done it from live code after stuff's been initialized so no idea
2013-12-29T13:45:27 < dongs> duno if it will switch to HSI/etc as needed
2013-12-29T13:45:35 < dongs> doing it on reset isn't hard
2013-12-29T13:45:37 < Devilholk> I'll just try it and see what happens
2013-12-29T13:45:39 < dongs> yeah
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2013-12-29T14:19:31 < kuldeepdhaka> jpa-, by random crashes you mean hardfault or similar exceptions?
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2013-12-29T15:35:39 < Robint91> I will leave this here
2013-12-29T15:35:39 < Robint91> http://www.youtube.com/watch?v=Y0dUwjZNLjw
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2013-12-29T15:52:05 < madist> as a general rule I don't touch things that have been left lying around
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2013-12-29T16:23:12 < mumptai> hi
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2013-12-29T17:21:30 < jpa-> kuldeepdhaka: well could be any random behaviour if your voltage supply is out of the spec
2013-12-29T17:21:37 < jpa-> kuldeepdhaka: but more likely that your code is just bad
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2013-12-29T17:35:59 < kuldeepdhaka> jpa-, ah
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2013-12-29T19:44:04 < upgrdman> wtf would someone use an fpga to control a reflow oven? lol...  http://hackaday.com/2013/12/28/a-fpga-controlled-reflow-oven/
2013-12-29T19:45:07 < emeb> "when your only tool is a hammer..."
2013-12-29T19:46:44 < jpa-> maybe if one wants to learn FPGAs :P
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2013-12-29T20:14:41 < bvernoux> hehe FPGA for reflow control ;)
2013-12-29T20:14:56 < bvernoux> a simple arduino is enough for that I imagine but anyway it is funny
2013-12-29T20:27:29 < Laurenceb_> they try to avoid arduino on hackaday these days
2013-12-29T20:27:35 < Laurenceb_> to avoid troll bait
2013-12-29T20:29:07 < gnomad> so what is up with that fubarino contest that has been carpeting HaD for the past week now?
2013-12-29T20:31:31 < gnomad> aah... http://hackaday.com/2013/12/03/new-contest-win-one-of-20-microchip-fubarino-boards/
2013-12-29T20:31:41 < gnomad> so a pic32 arduino.
2013-12-29T20:33:05 < Laurenceb_> atmel got pwned
2013-12-29T20:34:28 < gnomad> I've always wondered what percentage of AVR sales arduino represents.... I have assumed it was just a drop in the bucket..
2013-12-29T20:35:57 < Laurenceb_> they sell in the millions aiui
2013-12-29T20:36:05 < Laurenceb_> so maybe a few %
2013-12-29T20:42:19 < gnomad> personally, I'd be really surprised if it is over 1%
2013-12-29T20:44:30 < Laurenceb_> yeah, where i used to work we'd go through a million atinys in a weekend
2013-12-29T20:45:44 < gnomad> exactly
2013-12-29T20:46:29 < Laurenceb_> but not atmega
2013-12-29T20:47:23 < Laurenceb_> i was thinking of atmega
2013-12-29T20:47:52 < gnomad> as is percentage of atmega sales as opposed to avr overall...
2013-12-29T20:48:26 < gnomad> yes I imagine that would be a much greater percentage.
2013-12-29T20:49:16 < Laurenceb_> as a percentage of atmega2561 sales...
2013-12-29T20:51:39 < gnomad> well, I was really including any of the chips that are included on all of the various clone boards....
2013-12-29T20:52:04 < gnomad> not just the name-branded ones.
2013-12-29T20:52:25 < Robint91> gnomad, not even 1%
2013-12-29T20:52:51 < Robint91> gnomad, what arduino does for atmel is marketing
2013-12-29T20:52:56 < gnomad> what I was getting at was, what does the entire arduino-using market as a whole represent to Atmel.
2013-12-29T20:53:11 < gnomad> I'm not sure about that either.
2013-12-29T20:53:40 < gnomad> I am well aware of the way companies sell cheap dev board to get people using their products
2013-12-29T20:53:50 < gnomad> First hit is free and all of that...
2013-12-29T20:54:49 < englishman> no complaints, gotta get that foot in the door somehow
2013-12-29T20:54:53 < gnomad> but I am not sure how many people who purchase Arduino's go on to mass-produce any products
2013-12-29T20:54:57 < englishman> free samples are the best
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2013-12-29T20:55:49 < gnomad> aside from other arduino variations for other hobbyists
2013-12-29T20:57:50 < Robint91> gnomad, of the million who uses arduinos
2013-12-29T20:58:14 < Robint91> atmel would be happy if 0.1% starts using them for larger products
2013-12-29T20:58:15 < Robint91> ...
2013-12-29T20:59:06 < gnomad> I'm sure they would be happy with just a handful of 100K orders...
2013-12-29T20:59:47 < GargantuaSauce> on that note i hope st does a free f429disco promotion sometime
2013-12-29T21:01:29 < zyp> just buy one? they are not that expensive
2013-12-29T21:03:31 < gnomad> Were those 429 boards ever really available at the $14 price that was hitting the blogs a while back?
2013-12-29T21:03:50 < Robint91> I have got mine for free
2013-12-29T21:04:13 < gnomad> directly from your sales engineer?
2013-12-29T21:04:35 < Robint91> gnomad, avnet/silica
2013-12-29T21:05:00 < gnomad> So you got it through a deal that anyone could have gotten in on?
2013-12-29T21:05:46 < Robint91> gnomad, I have a account at silica ( I did some serious STM32 stuff before)
2013-12-29T21:05:53 < Robint91> gnomad, some large order
2013-12-29T21:06:22 < gnomad> Also... the price of those boards seems to vary wildly... anywhere from $24 to $30-something.
2013-12-29T21:06:35 < Robint91> still  good price
2013-12-29T21:06:53 < gnomad> much more than the delta of the other ST demo boards
2013-12-29T21:07:14 < gnomad> yeah, it seems that nobody can keep them in stock!
2013-12-29T21:07:23 < GargantuaSauce> yeah they are out of stock at mouser
2013-12-29T21:07:26 < GargantuaSauce> and $38 at dk
2013-12-29T21:07:34 < gnomad> what is the quality of the display?
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2013-12-29T21:07:50 < gnomad> Is it at all readable in sunlight?
2013-12-29T21:09:31 < GargantuaSauce> i doubt they used a particularly decent one
2013-12-29T21:10:27 < Thorn> I don't think it would be readable in sunlight
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2013-12-29T21:14:10 < gnomad> that would be my guess, but you never know...
2013-12-29T21:18:02 < Thorn> unless the backlight is PWMd and runs at 50% or something by default
2013-12-29T21:18:12 < Thorn> (haven't looked at the schematics yet)
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2013-12-29T21:40:14 < GargantuaSauce> http://i.imgur.com/oAAPARp.png
2013-12-29T21:40:20 < GargantuaSauce> very informative
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2013-12-29T21:46:54 < Steffanx> lolol GargantuaSauce
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2013-12-29T22:00:05 < Thorn> http://www.youtube.com/watch?v=yRxcYO0nuD8
2013-12-29T22:03:16 < Thorn> and http://www.youtube.com/watch?v=6gqYt2qRDVA
2013-12-29T22:08:44 < GargantuaSauce> 30um accuracy, supposedly
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2013-12-29T22:09:47 < GargantuaSauce> is that WinCE?
2013-12-29T22:12:26 < GargantuaSauce> and locked settings?? noooo thanks
2013-12-29T22:12:46 < Thorn> yeah that's a nice touch
2013-12-29T22:13:36 < Thorn> russian homemade p&p, actually looks better http://www.youtube.com/watch?v=RzvxjFvWADw
2013-12-29T22:13:39  * mumptai still needs to start writing that f429 display driver ..
2013-12-29T22:16:51 < GargantuaSauce> that is pretty impressive
2013-12-29T22:18:17 < Thorn> it applears to be tailor made for that kind of pcb though
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2013-12-29T23:03:40 < englishman> posting here for dongs http://pgbovine.net/two-cultures-of-computing.htm
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--- Day changed Mon Dec 30 2013
2013-12-30T00:03:36 < Robint91> englishman, +1 for that guy
2013-12-30T00:22:55 < Robint91> http://www.kickstarter.com/projects/1855991221/10-ghz-usb-oscilloscope
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2013-12-30T00:33:55 < bvernoux> woo 10Ghz USB Scope
2013-12-30T00:35:17 < mumptai> but its "only" a sampling scope
2013-12-30T00:36:39 < Steffanx> "This simple hardware comes with a simple vb application"
2013-12-30T00:36:44 < mumptai> decent active probes for that range are even more expensive
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2013-12-30T00:38:42 < mumptai> that is definatly a decent rf-design job, and not what VB is to software ;)
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2013-12-30T01:13:37 < upgrdman> nice sma soldering  https://s3.amazonaws.com/ksr/assets/001/473/776/0d5603ccc04ff4efa4e302c19c75382b_large.png?1388079881
2013-12-30T01:15:02 < Steffanx> It's so easy to be negative about something.. :P
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2013-12-30T01:33:21 < Steffanx> baird \o/
2013-12-30T01:49:03 < Thorn> When the first instructor of the session plugged his Linux laptop into the projector, it immediately crashed (“because Linux”), so he had to use another instructor's Mac laptop for his lesson.
2013-12-30T01:56:28 < baird> Fun fact: I didn't listen to ACDC's "Highway to Hell" on the MP3 player during the trip.
2013-12-30T01:57:55 < baird> "Sky"'s music was bad for listening too-- a lot of effects in the music sound like something's wrong with the bike. :P
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2013-12-30T03:20:29 < upgrdman> took apart an old optical mouse. the sensor IC looks like a weird DIP with dimples on it. any idea why?   http://farrellf.com/temp/optical_mouse_ic.jpg
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2013-12-30T03:52:58 < dongs> thats your typical flow sensor, no?
2013-12-30T03:53:28 < dongs> http://www.singahobby.com/files/images/Arduino-Optical-Flow-Sensor-1.jpg
2013-12-30T03:53:29 < dongs> loll
2013-12-30T03:54:35 < upgrdman> dont know if its typical
2013-12-30T03:54:48 < upgrdman> but any idea why the funky dimple pattern?
2013-12-30T04:10:39 < Thorn> http://people.ece.cornell.edu/land/courses/ece4760/FinalProjects/s2009/ncr6_wjw27/ncr6_wjw27/docs/adns_3080.pdf
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2013-12-30T07:14:03 < Thorn> http://www.youtube.com/watch?v=_93TCvWad8E
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2013-12-30T08:41:40 < GargantuaSauce> http://www.kickstarter.com/projects/855907655/matter-meter-wave amazing
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2013-12-30T10:29:14 < dongs> GargantuaSauce: looks like some artfag trash
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2013-12-30T12:48:35 < dongs> hey, notch used proper DIP usb socket https://s3.amazonaws.com/ksr/assets/001/356/422/e3a249e7fc2ceba9c4d6072b981bfb1b_large.jpeg?1384979844
2013-12-30T12:51:53 < dongs> We designed Notch apparel to work well with Notch technology. Specific mounting locations and secure fixtures improve the movement data while keeping Notch invisible. We are developing a clothing API to support fashion designers to easily integrate Notch technology to any garment. If you are a fashion designer and interested in Notch technology, we would love to talk to you.
2013-12-30T12:51:58 < dongs> haha
2013-12-30T12:52:00 < dongs> clothing API
2013-12-30T12:53:18 < dongs> http://www.kickstarter.com/projects/253922454/gps-adventurebox-give-the-gift-of-fun-and-adventur ?????????????????????
2013-12-30T12:53:49 < jpa-> reverse geocache.. they're nice, though pretty old idea by this point
2013-12-30T12:54:21 < jpa-> pretty ugly one though
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2013-12-30T12:54:59 < dongs> https://s3.amazonaws.com/ksr/assets/001/221/595/acde6f5ab4ac87e84923e5148077e5fc_large.jpg?1382404820
2013-12-30T12:55:53 < qyx_> i was about to comment on this one
2013-12-30T12:55:59 < qyx_> nice routing
2013-12-30T12:56:05 < dongs> more like nice fritzing
2013-12-30T12:57:38 < dongs> http://www.kickstarter.com/projects/85972696/the-docking-drawer-usb-charger-and-electrical-outl?ref=discovery wood boxes seem to be the new hipster trash
2013-12-30T12:58:54 < dongs> http://www.kickstarter.com/projects/1855991221/10-ghz-usb-oscilloscope?ref=discovery
2013-12-30T12:58:57 < dongs> oooo
2013-12-30T13:00:42 < dongs> http://www.kickstarter.com/projects/663438947/abxy?ref=discovery
2013-12-30T13:01:18 < dongs> http://www.kickstarter.com/projects/73411306/smartlet-turn-your-iphone-into-the-ultimate-smartw bahah
2013-12-30T13:01:22 < jpa-> hmm so that is 10GHz equivalent time, not real time?
2013-12-30T13:01:32 < dongs> jpa-: cant be anything useful w/USB 2.0
2013-12-30T13:01:39 < dongs> so you could probly capture half a second of samples at 10ghz sure
2013-12-30T13:02:02 < dongs> maybe if it has proper glitch triggering and shit
2013-12-30T13:02:05 < dongs> it might be useful for something
2013-12-30T13:03:17 < jpa-> hmm yeah, repetitive signals only
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2013-12-30T13:05:29 < jpa-> that docking drawer is not a bad idea
2013-12-30T13:06:09 < jpa-> pretty easy to remake
2013-12-30T13:07:09 < dongs> http://www.kickstarter.com/projects/73411306/smartlet-turn-your-iphone-into-the-ultimate-smartw + http://www.break.com/video/japanese-guys-iphone-quick-draw-system-2403910 = lol
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2013-12-30T13:54:24 < Robint91> dongs, lol that japanese vid
2013-12-30T13:56:51 < Robint91> dongs, what in the 10 seconds of the vid are those white pillars that seem to move something
2013-12-30T13:57:05 < dongs> yeah i dunno either, weird
2013-12-30T13:57:27 < dongs> i thought maybe some kinda sight-seeing shit like remote controlled camera/binoculars like thing but looks too good for that
2013-12-30T13:58:03 < Robint91> dongs, it looks like a airplane wing moving
2013-12-30T13:58:51 < dongs> i know what youre talking about. i dont know what it is tho
2013-12-30T14:00:04 < dongs> http://i.imgur.com/Sd29ugT.jpg
2013-12-30T14:00:07 < dongs> relevant to this channel
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2013-12-30T14:00:51 < dongs> Robint91: you missed it.
2013-12-30T14:00:56 < dongs> 21:00 < dongs> http://i.imgur.com/Sd29ugT.jpg
2013-12-30T14:00:56 < dongs> 21:00 < dongs> relevant to this channel
2013-12-30T14:01:10 < Robint91_> lol
2013-12-30T14:01:54 < Robint91_> what is the cheapest way to talk tcp/ip and ethernet
2013-12-30T14:02:16 < Robint91_> PIC18F97J60?
2013-12-30T14:02:27 < dongs> pic? what the fuck
2013-12-30T14:02:32 < Thorn> stm32f107
2013-12-30T14:02:35 < dongs> some F107 or someshit
2013-12-30T14:02:35 < dongs> yeah
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2013-12-30T14:03:38 < Thorn> enc28j60 could be the cheapest because you don't need a phy
2013-12-30T14:03:49 < Robint91_> dongs, Thorn, F107 + phy is more expensive as a pic18F97J60
2013-12-30T14:03:51 < Thorn> + some ultra-cheap mcu
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2013-12-30T15:01:01 < Thorn> The solution to a motion artifact is to immobilize the patient or imaged object. Often times the motion is caused by the heart beating or the patient breathing, both of which can not legally be eliminated.
2013-12-30T15:10:41 < Robint91_> Thorn, okay...
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2013-12-30T15:27:35 < qyx_> i tried to do tcp/ip several times using avr and enc28j60
2013-12-30T15:27:59 < qyx_> that microchip mac+phy has awfully long errata sheet
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2013-12-30T15:29:37 < qyx_> F107+phy is ok, worked mostly out of box
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2013-12-30T17:18:49 < gxti> if you get f107 at wholesale price, i.e. not digikey markup, it's quite cost competitive
2013-12-30T17:19:14 < Laurenceb_> http://www.linuxfederation.com/linux-everywhere
2013-12-30T17:19:28 < gxti> but if you want to scrape every last cent probably pic18f66j60 is the answer, but you'll hate yourself for using it
2013-12-30T17:19:30 < Laurenceb_> in b4 dongs
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2013-12-30T17:44:20 < Robint91_> gxti, mhh
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2013-12-30T20:28:35 < Robint91> reminder to self
2013-12-30T20:28:40 < Robint91> EEPROM EMULATION IS BS
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2013-12-30T20:39:34 < gxti> ur
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2013-12-30T20:46:35 < Robint91> gxti, ST
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2013-12-30T20:55:18 < emeb> trying to use the on-chip flash like EEPROM?
2013-12-30T20:55:35  * emeb looked at that and said "no thanks"
2013-12-30T20:55:54 < emeb> real EEPROM on I2C works fine and is cheap.
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2013-12-30T21:07:21 < Steffanx> if you like i2c
2013-12-30T21:10:12 < gxti> reminds me, i should do something about microchip's eeprom with mac, and how none are in stock
2013-12-30T21:10:16 < emeb> who doesn't?
2013-12-30T21:10:58 < gxti> newark has some but i don't wanna pay for just that crap
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2013-12-30T21:23:54 < emeb> newark = insane shipping.
2013-12-30T21:27:11 < gxti> ran through the rest of my BOM, nothing else is cheaper on newark than dk/mouser so it's not like i can add more stuff to make it worthwhile either
2013-12-30T21:27:41 < gxti> guess i'll scavenge some off old boards for now and finish the rest when i can get them
2013-12-30T21:28:32 < gxti> there are also some available in different footprints and i do have a header with i2c but i can wait
2013-12-30T21:30:06 < Robint91> emeb, yeah
2013-12-30T21:30:15 < Robint91> emeb, I will never make that mistake again
2013-12-30T21:37:44 < trepidaciousMBR> gxti: eeprom with a mac in rom or something?
2013-12-30T21:39:11 < gxti> trepidaciousMBR: yes
2013-12-30T21:39:42 < trepidaciousMBR> Sounds handy, microchip seem to be quite good for eeproms
2013-12-30T21:40:59 < trepidaciousMBR> Shame they are only 2kbit
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2013-12-30T22:27:58 < karlp> Robint91: l1 has eeprom too, no need for flash emulation shit :)
2013-12-30T22:28:35 < karlp> yeah, those microchip eeproms with mac are groovy
2013-12-30T22:28:49 < karlp> cheap and way longer write endurance than l1/avr eeprom
2013-12-30T22:29:17 < karlp> kinetis parts have the "eeprom emulation" stuff built into rom, with their "flexnvram" stuff
2013-12-30T22:34:29 < zyp> heh
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2013-12-30T22:35:32 < karlp> kinda neat actually, at leas ton paper, lets you choose more straight flash, or more eeprom style, with a chosen level of overcommittment for write cycle age
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2013-12-30T23:23:05 < Laurenceb_> http://leaksource.files.wordpress.com/2013/12/nsa-ant-cottonomouth-iii.jpg
2013-12-30T23:23:12 < Laurenceb_> looks like something zyp would build
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--- Day changed Tue Dec 31 2013
2013-12-31T00:07:46 < zyp> sure, I can get you 50 for $1248k
2013-12-31T00:11:43 < gnomad> so is that a real thing?
2013-12-31T00:13:21 < Laurenceb_> http://24.media.tumblr.com/0050d49da7027b999a9d6b53129b1218/tumblr_mf3rh24dHb1rw9uzeo1_500.jpg
2013-12-31T00:13:25 < Laurenceb_> muh cake
2013-12-31T00:15:32 < gxti> digikey cart $674.80...
2013-12-31T00:15:45 < emeb> gxti wins the prize
2013-12-31T00:26:38 < Robint91> gxti, that is nothing
2013-12-31T00:27:20 < gxti> not pro enough for you Robint91?
2013-12-31T00:28:53 < Robint91> gxti, euh, last production order was around 2700€
2013-12-31T00:29:09 < gxti> Robint91: for work?
2013-12-31T00:29:20 < Robint91> vmarker, yes
2013-12-31T00:29:31 < gxti> not much for a business
2013-12-31T00:29:38 < gxti> this is out of pocket
2013-12-31T00:29:52 < Tectu> ld: region `flash' overflowed by 3472060 bytes
2013-12-31T00:29:52 < Tectu> ld: region `ram' overflowed by 155900 bytes
2013-12-31T00:29:54 < Tectu> yay...
2013-12-31T00:29:58 < Robint91> yeah, small production batch
2013-12-31T00:30:06 < Robint91> gxti, only passives
2013-12-31T00:30:20 < Robint91> gxti, actives come from silica/avnet
2013-12-31T00:30:21 < gxti> anyway it's more that my orders seem to increase by 100% every time
2013-12-31T00:34:28 < Laurenceb_> this is odd, -funroll-loops seems to have no effect
2013-12-31T00:34:35 < Laurenceb_> im using it with -O3
2013-12-31T00:34:53 < Laurenceb_> i can see a loop thats not unrolled too, in the disasm
2013-12-31T00:36:03 < zyp> try -funroll-all-loops
2013-12-31T00:36:47 < gxti> seems like a bad idea
2013-12-31T00:37:02 < Laurenceb_> yeah
2013-12-31T00:37:08 < Laurenceb_> ill try it tho
2013-12-31T00:37:41 < Laurenceb_> no change
2013-12-31T00:38:17 < zyp> ok, then it's probably not possible to unroll it
2013-12-31T00:39:59 < karlp> proper loop invariants?
2013-12-31T00:40:20 < karlp> or are you asking it to unroll something it can't know at compile time?
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2013-12-31T00:42:33 < Laurenceb_> for(uint8_t m=0;m<72;m++,n++)
2013-12-31T00:42:44 < Laurenceb_> and m is not changed inside the loop
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2013-12-31T01:00:42 < Robint91> are interrupts disabled when erasing a page of the flash
2013-12-31T01:00:43 < Robint91> ?
2013-12-31T01:01:12 < zyp> disabled how?
2013-12-31T01:01:25 < Robint91> not happening
2013-12-31T01:02:37 < zyp> if the flash controller blocks accesses during page erase, the cpu can't load anything there
2013-12-31T01:04:03 < zyp> and if you have both the code and the vector table in flash, the cpu can't get those, and thus not process interrupts
2013-12-31T01:04:53 < Robint91> zyp, also when you are erasing one page
2013-12-31T01:08:31 < Laurenceb_> hmm
2013-12-31T01:08:39 < Laurenceb_> yeah loops are unrolled in simple cases
2013-12-31T01:08:42 < Laurenceb_> how annoying
2013-12-31T01:11:09 < Robint91> zyp, it kills my DMA interrupt
2013-12-31T01:11:11 < Robint91> wtf
2013-12-31T01:11:21 < Robint91> DMA = uart to ram
2013-12-31T01:12:42 < Laurenceb_> does unroll-loops only run if GCC thinks it will improve speed?
2013-12-31T01:12:57 < Laurenceb_> as the loop code seems to have grown more complex now
2013-12-31T01:13:47 < Robint91> Laurenceb_, define complex
2013-12-31T01:14:05 < Robint91> Laurenceb_, it is a trade off between size and speed
2013-12-31T01:14:14 < Laurenceb_> interesting
2013-12-31T01:14:28 < Robint91> Laurenceb_, I dunno how the branch predicition works on a CM3/CM4
2013-12-31T01:14:49 < Laurenceb_> i manually unrolled the loop, but its about the same speed, as the use of literal pool became harder it seems
2013-12-31T01:15:00 < Laurenceb_> im wondering why GCC wont unroll it
2013-12-31T01:15:42 < Laurenceb_> for(uint8_t m=0;m<72;m++,n++) {	//Loop through the 72 sample lookup
2013-12-31T01:15:42 < Laurenceb_> 			I+=(int16_t)buff[n]*(int16_t)cosinusoid[m];
2013-12-31T01:15:42 < Laurenceb_> 			Q+=(int16_t)buff[n]*(int16_t)sinusoid[m];		}
2013-12-31T01:16:32 < Robint91> Laurenceb_, too smaller loops :p
2013-12-31T01:16:35 < Robint91> *two
2013-12-31T01:17:25 < Laurenceb_> and you think that will be unrolled?
2013-12-31T01:17:37 < Laurenceb_> a trivial I+=1; etc loop is unrolled ok
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2013-12-31T01:18:03 < Laurenceb_> sinusoid etc is a lookup
2013-12-31T01:19:28 < Laurenceb_> branching is slow on CM3/4, so i still think inline will be faster
2013-12-31T01:20:39 < Laurenceb_> http://stackoverflow.com/questions/4071690/tell-gcc-to-specifically-unroll-a-loop
2013-12-31T01:20:40 < Laurenceb_> hmm
2013-12-31T01:21:36 < Laurenceb_>  warning: #pragma GCC target is not supported for this machine [-Wpragmas]
2013-12-31T01:21:38 < Laurenceb_> the heck
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2013-12-31T01:26:31 < Robint91> zyp, this is strange
2013-12-31T01:26:45 < Robint91> zyp, I have a EXTI interrupt and a DMA interrupt
2013-12-31T01:27:05 < Robint91> EXTI interrupt sets up the DMA controller
2013-12-31T01:27:19 < Robint91> EXTI stays working
2013-12-31T01:27:25 < Robint91> but the DMA interrupt stops
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2013-12-31T02:06:19 < mtbg> hi
2013-12-31T02:09:07 < madist> hi
2013-12-31T02:11:03 < Steffanx> hi
2013-12-31T02:11:25 < zyp> lo
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2013-12-31T02:32:25 < baird> 01100001 01101100 01101100 00100000 01100011 01101111 01101101 01101101 01110101 01101110 01101001 01100011 01100001 01110100 01101001 01101111 01101110 00100000 01101001 01101110 00100000 01110100 01101000 01101001 01110011 00100000 01100011 01101000 01100001 01101110 01101110 01100101 01101100 00100000 01110111 01101001 01101100 01101100 00100000 01101110 01101111 01110111 00100000 01100010 01100101 00100000 01101001 01101110 00100000 01100010
2013-12-31T02:32:27 < baird> 01101001 01101110 01100001 01110010 01111001
2013-12-31T02:33:03 < baird> 01010111 01101000 01111001 0111111 00100000 01000010 01100101 01100011 01100001 01110101 01110011 01100101 00100000 01000110 01100001 01100111 01110011 0101110
2013-12-31T02:34:56 < dongs> success
2013-12-31T02:35:03 < dongs> my free noritake vfd is shipped
2013-12-31T02:35:59 < dongs> http://www.noritake-elec.com/evalkit-sample.php#contactForm
2013-12-31T02:36:10 < baird> To the Alaskian address?
2013-12-31T02:36:19 < dongs> y
2013-12-31T02:36:47 < dongs> aw, their previous giveaway was way cooler
2013-12-31T02:36:51 < dongs> 128x32 dot matrix vfd
2013-12-31T02:36:58 < dongs> http://www.noritake-elec.com/sck-7000-140x32f-n30-c.php
2013-12-31T02:38:40 < zyp> vfd, that's so 2013
2013-12-31T02:39:00 < dongs> you mean 2003?
2013-12-31T02:39:36 < baird> Those things always make me think of the handheld electronics games that RadioShack sold in 1979-1981..
2013-12-31T02:39:38 < zyp> 1963 maybe
2013-12-31T02:40:45 < dongs> haha
2013-12-31T02:41:35 < baird> This sort of thing: http://www.classicplastic.net/dvgi/pictures/pics-tabletop-scramble01.jpg
2013-12-31T02:43:10 < dongs> oled should be killing vfd any day now
2013-12-31T02:43:57 < baird> Had one of these! (under different branding) .. http://www.ecrater.com/p/8003660/1981-packri-monster-by-bandai-vintage
2013-12-31T02:45:32 < baird> https://www.youtube.com/watch?v=dp9DLgru2JQ
2013-12-31T02:45:47 < dongs> haha
2013-12-31T02:45:48 < dongs> wow
2013-12-31T02:45:57 < dongs> was that with vfd?
2013-12-31T02:46:00 < dongs> or waht tech is that screen
2013-12-31T02:46:21 < dongs> oh gawd wait, is that white black shit just overlay
2013-12-31T02:46:24 < dongs> and they had some leds under it
2013-12-31T02:46:34 < baird> Nup, it's VFD.
2013-12-31T02:46:53 < dongs> fear
2013-12-31T02:47:26 < baird> I wonder where it is-- would've never thrown it out..
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2013-12-31T03:34:03 < Thorn> http://www.misfitwearables.com/ <-- efm32, cc2500
2013-12-31T03:36:04 < Thorn> + a shitload of leds, powered from a lithium cell ok
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2013-12-31T03:36:51 < zyp> so what the fuck is it supposed to be?
2013-12-31T03:37:35 < Thorn> I think a pedometer
2013-12-31T03:39:00 < Thorn> teardown pictures http://habrahabr.ru/company/boxowerview/blog/206048/
2013-12-31T03:39:13 < BrainDamage> tardown
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2013-12-31T03:50:26 < Thorn> is that sot23-6 + relatievly big cap a boost converter? no inductors in sight
2013-12-31T03:51:17 < Thorn> or buck-boost or whatever
2013-12-31T03:53:19 < dongs> is that a russian dickstarter
2013-12-31T03:53:33 < dongs> wow, nice pcba
2013-12-31T03:54:24 < dongs> Thorn: might be using small enough current to use switched capacitor boost reg
2013-12-31T03:55:37 < dongs> «Minecrafted in corea»
2013-12-31T03:55:37 < dongs> haha
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2013-12-31T06:47:33 < dongs> bandpass filters at work: http://i.imgur.com/IfR3qmK.jpg http://i.imgur.com/jmLCcsf.jpg
2013-12-31T06:48:01 < dongs> fucking antique equipment that cut @ 1450MHz before they added a bunch of sats @ 1600+
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2013-12-31T06:55:31 < gxti> nice cable too
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2013-12-31T08:14:53 < emeb_mac> pro, like a boss
2013-12-31T08:14:58 < GargantuaSauce> started messing with the f0, forgot about the stupid spi liking to send 16 bits all the time thing
2013-12-31T08:15:33 < emeb_mac> making progress on the layout.
2013-12-31T08:15:49 < emeb_mac> no
2013-12-31T08:15:58 < emeb_mac> all in our heads
2013-12-31T08:16:17 < emeb_mac> and on the schematic
2013-12-31T08:16:42 < emeb_mac> ya
2013-12-31T08:17:07 < emeb_mac> basically
2013-12-31T08:17:24 < emeb_mac> there's some matching, pads, etc in there
2013-12-31T08:18:07 < emeb_mac> using mini-circuits ADE-`
2013-12-31T08:18:10 < emeb_mac> ADE-1
2013-12-31T08:19:08 < emeb_mac> worth checking
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2013-12-31T08:36:16 < emeb_mac> I'm working with an RF designer who's old-school. He knows these parts pretty well and has good instincts about system design.
2013-12-31T08:37:37 < emeb_mac> he did simulations for some filtering that's in the path to keep the spurs down > 45dB close in
2013-12-31T08:37:58 < emeb_mac> as well as setting up the input/output ranges to avoid the hairy areas.
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2013-12-31T09:36:55 < Robint91> zyp, fixed it
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2013-12-31T11:13:10 < Robint91> did someone use this http://www.oryx-embedded.com/#&panel1-2
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2013-12-31T11:34:54 < GargantuaSauce> i did a silly thing!
2013-12-31T11:35:24 < GargantuaSauce> thought i broke the stlink on one of my disco boards
2013-12-31T11:35:38 < GargantuaSauce> wrote GPIOA->MODER = xyz instead of |=
2013-12-31T11:35:39 < GargantuaSauce> hurr.
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2013-12-31T11:47:52 < Robint91> GargantuaSauce, euh lol
2013-12-31T11:48:06 < Robint91> GargantuaSauce, how do you break the stlink with that
2013-12-31T11:48:31 < GargantuaSauce> i disabled swd i guess?
2013-12-31T11:48:49 < Robint91> GargantuaSauce, connect under resest
2013-12-31T11:48:55 < Robint91> *reset
2013-12-31T11:48:56 < GargantuaSauce> yup that's how i fixed it
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2013-12-31T11:51:47 < Robint91> do not join the freenode-newyears channel
2013-12-31T11:52:41 < GargantuaSauce> but how will i get my fun and festivity??
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2013-12-31T12:00:40 < baird> NYE hasn't been the same since they stopped giving drunk Australia comedians a late-night show to host..
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2013-12-31T12:08:23 < bvernoux> hi
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2013-12-31T12:12:31 < baird> Took a while to realise what the 'bronie' comment was about..
2013-12-31T12:12:58 < baird> "fuck, wrong channel."
2013-12-31T12:13:40 < Robint91> wut
2013-12-31T12:13:43 < Robint91> hi
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2013-12-31T12:21:00 < GargantuaSauce> is the usb peripheral on the f4 backwards compatible to that of the f1?
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2013-12-31T12:26:54 < Robint91> GargantuaSauce, the F107/F105
2013-12-31T12:27:02 < Robint91> not with the F103
2013-12-31T12:27:27 < Robint91> GargantuaSauce, sort off
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2013-12-31T12:29:04 < GargantuaSauce> k
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2013-12-31T12:32:37 < karlp> Thorn: mcp1640 is a sot23 boost converter, and te inductors you use for it come in 0805 and look just like a normal cap/resistor
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2013-12-31T12:44:46 < Thorn> thanks, I suspected that
2013-12-31T12:45:06 < Thorn> those "caps" looked somewhat too dark for a mlcc
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2013-12-31T12:52:17 < karlp> http://www.digikey.com/product-detail/en/CV201210-4R7K/CV201210-4R7KCT-ND/3438036 for instance
2013-12-31T12:52:41 < karlp> actually, those are only 30ma, I had some for 150ma somewhere
2013-12-31T12:52:56 < jpa-> i would guess that the inductor is the black thingy above the sot23
2013-12-31T12:53:04 < karlp> yeah, me too
2013-12-31T12:55:35 < Thorn> you can see here that it's darker than a cap to the right of it (left or the gyro) http://habr.habrastorage.org/post_images/158/ac8/ab3/158ac8ab3e2413f97fa871fe26d6ad86.jpg
2013-12-31T12:56:26 < Thorn> looks very much like ferrite beads taht I have
2013-12-31T13:03:29 < Thorn> that mcp1640 doesn't need external diodes, win
2013-12-31T13:03:42 < karlp> yeah, that's why I have it
2013-12-31T13:03:52 < karlp> needs the resistor divider though, no fixed otuput versions
2013-12-31T13:04:29 < karlp> (and don't be like me and try and use 2MegOhm sort of thing, it fucks up equivalent resistences)
2013-12-31T13:04:42 < karlp> I think I'm using abot 900k total now iirc
2013-12-31T13:06:36 < Thorn> isn't that too big from the interference standpoint? or maybe the currents are too low for that
2013-12-31T13:06:59 < Thorn> <100k total is recommended for most regulators if I'm not mistaken
2013-12-31T13:07:17 < karlp> not sure, I felt it was because the currents were too low, and equiv resistance from the rest of the circuit was fucking it up
2013-12-31T13:08:38 < Thorn> how do I current probe cheaply
2013-12-31T13:09:45 < Thorn> some diy thing using TSV632 or other current sense amp?
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2013-12-31T13:11:32 < Thorn> btw the coursera power electronics course is the best MOOC I've seen so far. too bad I missed first few weeks and couldn't get the grade
2013-12-31T13:13:34 < Thorn> I'd recommend downloading videos before they're taken offline https://class.coursera.org/powerelectronics-001
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2013-12-31T13:17:14 < GargantuaSauce> i ordered a bunch of ZXCT1010E5TA Thorn, dunno how their performance compares to the above but the price was right
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2013-12-31T13:17:29 < GargantuaSauce> will let you know how they work if china post ever catches up
2013-12-31T13:20:10 < Thorn> a hall based sensor to eliminate the shunt would also be worth considering
2013-12-31T13:20:19 < GargantuaSauce> those are pretty expensive
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2013-12-31T13:21:50 < GargantuaSauce> as long as you're not trying to measure a couple tens of A i think it makes more sense just to use a <50mohm shunt
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2013-12-31T13:25:24 < dongs> sup trolls
2013-12-31T13:28:47 < Thorn> I guess you're right
2013-12-31T13:29:23 < GargantuaSauce> though bidirectionality is an advantage of some of those ones of course
2013-12-31T13:35:29 < Robint91> GargantuaSauce, used those before ZXCT1051
2013-12-31T13:35:29 < Robint91> good amps
2013-12-31T13:35:35 < Robint91> better as f*cking aroung with opamps
2013-12-31T13:36:00 < GargantuaSauce> cool
2013-12-31T13:36:48 < Thorn> looks like they have -6db gain @ 0.5MHz
2013-12-31T13:37:05 < Thorn> http://www.diodes.com/datasheets/ZXCT1010.pdf page 3
2013-12-31T13:38:59 < Thorn> it's better if Vsense is higher
2013-12-31T13:46:52 < madist> -6dB of gain!
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2013-12-31T14:05:24 < GargantuaSauce> that course looks pretty good
2013-12-31T14:05:35 < GargantuaSauce> i was resisting joining coursera for quite some time but that appears to be changed
2013-12-31T14:05:43 < GargantuaSauce> and it would seem i have signed away all my free time
2013-12-31T14:07:21 < Thorn> the charge / volt-second balance method alone is great, and that's only the first third of the course. last 1/3 is control and stability, something that is very rarely discussed so clearly
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2013-12-31T14:09:21 < GargantuaSauce> do you have a pdf of the book within easy reach or will i go looking
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2013-12-31T14:14:43 < Thorn> that would be illegal
2013-12-31T14:14:52 < Thorn> of course I have it
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2013-12-31T14:46:58 < Laurenceb_> http://www.flickr.com/photos/rocketengines/11651812236/
2013-12-31T14:47:55 < Steffanx> yay
2013-12-31T14:53:14 < Thorn> http://electronicdesign.com/dev-tools/interview-bjarne-stroustrup-discusses-c
2013-12-31T14:55:12 < Steffanx> is that similar as: tovalds discusses windows?
2013-12-31T14:55:16 < Steffanx> *to
2013-12-31T14:55:25 < Laurenceb_> Wong questions
2013-12-31T14:56:05 < Thorn> Function call inlining was introduced to be able to handle interrupts in an embedded processor without the overhead of a function call and without forcing programmers to abandon classes to handle interrupts.
2013-12-31T14:57:15 < Laurenceb_> "How could using qsort() be simpler than using the more general and efficient sort()"
2013-12-31T14:57:16 < Laurenceb_> huh
2013-12-31T14:57:23 < Laurenceb_> sort is quicksort??
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2013-12-31T16:18:34 < dongs> hm
2013-12-31T16:18:38 < dongs> zippes makfile is broken :(
2013-12-31T16:19:45 < Steffanx> you broke it
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2013-12-31T16:20:37 < zyp> isn't that the point of makefiles?
2013-12-31T16:21:15 < Steffanx> makefiles are to be generated, one should not make them by hand
2013-12-31T16:22:51 < Laurenceb_> are to be copypastad
2013-12-31T16:23:29 < dongs> what hte fuck
2013-12-31T16:23:36 < dongs> why its not finding stdlib.h
2013-12-31T16:23:40 < dongs> fucking trash gcc
2013-12-31T16:23:43 < dongs> its right there
2013-12-31T16:23:51 < dongs> how do i make make print out what hte fuck its doing
2013-12-31T16:24:11 < dongs> make V=1 or osmeshit liek tat
2013-12-31T16:24:15 < Laurenceb_> http://www.youtube.com/watch?v=CddMD3QqTFs
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2013-12-31T16:29:34 -!- Netsplit *.net <-> *.split quits: scrts, sterna, esden
2013-12-31T16:29:52 < dongs> hm
2013-12-31T16:33:59 < Robint91> Laurenceb_, THANK GOD FOR YOU
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2013-12-31T16:34:17 < dongs> that video is older and faker than internets
2013-12-31T16:34:34 < dongs> it was staged by a guy whose job title is  MEME MANAGER
2013-12-31T16:34:51 < Steffanx> jimmy!
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2013-12-31T16:36:11 < Robint91> dongs, DA ASS
2013-12-31T16:41:26 < Laurenceb_> wow pwnage
2013-12-31T16:41:27 < Laurenceb_> http://e2e.ti.com/support/microcontrollers/stellaris_arm/f/471/t/44034.aspx
2013-12-31T16:42:37 < Laurenceb_> arm cmsis lib is annihilated by that
2013-12-31T16:45:16 < Steffanx> because "hand optimized" vs "general purpose lib" blabla ?
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2013-12-31T16:47:33 < Laurenceb_> i guess
2013-12-31T16:54:08 < Robint91> stellaris has 0 cycle flash
2013-12-31T16:54:15 < Robint91> o_O
2013-12-31T16:55:35 < Laurenceb_> yeah but its slower
2013-12-31T16:55:42 < Laurenceb_> and F4 has the accelerator
2013-12-31T16:55:44 < Laurenceb_> bbl
2013-12-31T16:55:52 < Steffanx> \o
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2013-12-31T17:16:20 < gxti> polycase doing a good job pretending to be a virus http://partiallystapled.com/~gxti/trash/2013/12/31-polycase.png
2013-12-31T17:23:02 < Steffanx> open sores..
2013-12-31T17:30:55 < dongs> wats polycase
2013-12-31T17:31:04 < dongs> hm plastic enclosures
2013-12-31T17:31:44 < dongs> se;ectpom ;ppls [re
2013-12-31T17:31:45 < dongs> uhh
2013-12-31T17:31:49 < dongs> selection looks pretty crappy
2013-12-31T17:32:29 < dongs> jap place i get enclosures from have some good lookin shit
2013-12-31T17:32:46 < dongs> http://takachi-el.co.jp/data/catalog/catalog01.html
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2013-12-31T18:03:02 < Robint91_> dongs, I design my own enclosures
2013-12-31T18:03:28 < dongs> i bet
2013-12-31T18:03:29 < jpa-> where do you manufacture them?
2013-12-31T18:03:36 < dongs> but you also got a $50k dickstarter campaign
2013-12-31T18:03:57 < Robint91_> dongs, I don't have a 50k campaign
2013-12-31T18:04:02 < Robint91_> jpa-, star prototype
2013-12-31T18:04:08 < dongs> i thought you did
2013-12-31T18:04:16 < dongs> hm
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2013-12-31T18:05:27 < Robint91> jpa-, http://www.star-prototype.com/
2013-12-31T18:05:33 < jpa-> how much does it cost?
2013-12-31T18:05:57 < Robint91> jpa-, paid around 5000$ for the mould and 1000$ for 1000 pieces
2013-12-31T18:06:09 < jpa-> not bad
2013-12-31T18:06:34 < karlp> we used these guys for some stuff, it was pretty cheap too,
2013-12-31T18:06:37 < karlp> http://www.protolabs.com/protomold
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2013-12-31T18:17:38 < Thorn> http://www.sharenator.com/How_Pedo_Are_You_Test_it_with_the_Pedo_Meter/#img-67175
2013-12-31T18:18:05 < Steffanx> poor Thorn
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2013-12-31T19:06:07 < Laurenceb_> i can walk just fine
2013-12-31T19:06:16 < Laurenceb_> no pedometer for me
2013-12-31T19:07:03 < emeb> lol
2013-12-31T19:08:32 < emeb> is a pedometer like a plethysmograph for pervs?
2013-12-31T19:09:52 < Laurenceb_> i was hoping for an online test
2013-12-31T19:09:56 < Laurenceb_> got trolled instead
2013-12-31T19:09:57 < Laurenceb_> http://www.sharenator.com/How_Pedo_Are_You_Test_it_with_the_Pedo_Meter/#img-67175
2013-12-31T19:10:03 < zyp> Laurenceb_, you don't need one anyway, it'd just be stuck at 100%
2013-12-31T19:12:27 < zyp> in norway, people joke about how pedometers are counting small steps
2013-12-31T19:12:37 < zyp> because the word for step is the same as the word for crotch
2013-12-31T19:12:45 < emeb> haha
2013-12-31T19:13:10 < emeb> I bet that results in some other bad puns
2013-12-31T19:17:08 < emeb> Any devboard addicts here gotten in on the free XMOS start kit?
2013-12-31T19:17:26 < emeb> I guess the freebies are over, but the devboard is available at DK for $15
2013-12-31T19:17:44 < emeb> I've got no idea if this is worth fooling with or not...
2013-12-31T19:17:49 < Robint91> wut vmarker on TED http://www.youtube.com/watch?v=DoddH-zHtA4#t=12m04s
2013-12-31T19:18:28 < Robint91> emeb, I dunno what to think about the xmos
2013-12-31T19:19:07 < emeb> Robin91: I looked at them a few years ago seems like it was a leftover from the old Transputer days
2013-12-31T19:20:07 < emeb> mostly I thought "Oh yay - another orthogonal multiprocessing architecture"
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2013-12-31T19:20:55 < Robint91> emeb, yeah, I find there peripherals a bit short
2013-12-31T19:21:04 < Laurenceb_> like.. none
2013-12-31T19:21:08 < Robint91> emeb, like  OTP and no flash
2013-12-31T19:21:13 < Robint91> limited sram
2013-12-31T19:21:15 < emeb> Yech.
2013-12-31T19:21:22 < Laurenceb_> XMOS is fail
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2013-12-31T19:21:37 < emeb> Might as well fiddle with the Parallax Propeller
2013-12-31T19:21:42 < Laurenceb_> yeah
2013-12-31T19:21:50 < Laurenceb_> XMOS is worse than propeller :P
2013-12-31T19:22:19 < zyp> emeb, I got a mail that I were getting one, but it didn't arrive before I went away for christmas
2013-12-31T19:22:28 < zyp> it may be waiting for me when I get home tomorrow
2013-12-31T19:23:36 < emeb> New years toy
2013-12-31T19:24:18 < Steffanx> no, an item for in the "will probably never ever use"-box
2013-12-31T19:24:24 < zyp> not sure how xmos is worse than propeller, xmos being rated to 125 mips per thread compared to the propeller's 20 per thread seems to indicate otherwise
2013-12-31T19:24:44 < Steffanx> Je ne parle pas francais, Robint91
2013-12-31T19:25:36 < zyp> not to mention that the propeller is programmed in some silly high level language
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2013-12-31T19:28:42 < emeb> ya - never really groked that.
2013-12-31T19:29:17 < Laurenceb_> but propellor is for makers
2013-12-31T19:29:24 < Laurenceb_> so it must be good
2013-12-31T19:29:26 < zyp> propeller is a toy
2013-12-31T19:30:15 < zyp> what I wonder is which projects xmos would fit well into
2013-12-31T19:31:35 < Robint91> Steffanx, lol
2013-12-31T19:31:36 < Steffanx> I actually never see projects that use Parallax.. most of the time it's arduino Laurenceb_...
2013-12-31T19:31:50 < Robint91> Steffanx, you dutchies do speak french
2013-12-31T19:31:58 < Steffanx> Non.
2013-12-31T19:32:00 < Robint91> Steffanx, how do you call orange juice
2013-12-31T19:32:10 < Steffanx> I call it "Sinaasappelsap"
2013-12-31T19:32:37 < zyp> 500 mips is faster than any cortex-m, but each thread can't run at more than 25% duty due to pipeline, so single thread performance is on par with cheaper cortex-m chips
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2013-12-31T20:40:26 < Laurenceb_> http://weknowmemes.com/wp-content/uploads/2012/01/sorry-babe-ive-gotta-save-the-internets.jpg
2013-12-31T20:40:56 < Laurenceb_> its dongs
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2013-12-31T22:40:57 < Laurenceb_> omfg
2013-12-31T22:41:01 < Laurenceb_> truly epic lulz
2013-12-31T22:41:02 < Laurenceb_> http://technicalillusions.com/
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2013-12-31T23:15:33 < akaWolf1> NY!
2013-12-31T23:16:02 < PaulFertser> orly
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2013-12-31T23:29:07 < jpa-> happy new stm32's
2013-12-31T23:29:39 < Laurenceb_> another few hours here
2013-12-31T23:30:39 < Laurenceb_> i expected Castar to fail
2013-12-31T23:30:49 < Laurenceb_> but i didnt think they would just run with the money
2013-12-31T23:32:13 < PaulFertser> Have they?
2013-12-31T23:32:42 < Laurenceb_> probably
2013-12-31T23:32:45 < Laurenceb_> site has gone
2013-12-31T23:33:14 < PaulFertser> Seem to work here
2013-12-31T23:33:37 < Laurenceb_> oh its back up
2013-12-31T23:33:38 < PaulFertser> 410 Gone says wget though
2013-12-31T23:33:39 < Laurenceb_> booo
2013-12-31T23:33:42 < PaulFertser> Sometimes
2013-12-31T23:34:19 < PaulFertser> But w3m works
2013-12-31T23:36:15 -!- alan5 [~quassel@85.210.231.244] has quit [Ping timeout: 260 seconds]
2013-12-31T23:38:33 < Laurenceb_> cmon fail already
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2013-12-31T23:56:16 < gxti> lol, Laurenceb_ sees http error, assumes company imploded
2013-12-31T23:56:29 < Laurenceb_> its going to happen soon
2013-12-31T23:56:44 < Laurenceb_> then again this is still online http://www.gpss.force9.co.uk/
--- Log closed Wed Jan 01 00:00:44 2014