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  • [00:02:22] <isaacbw> awesome, thanks. I think I'll read through this: http://linuxconsole.sourceforge.net/fbdev/HOWTO/
  • [00:03:04] <mdp> take a look at http://lxr.linux.no/linux+v3.3/Documentation/auxdisplay/* too
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  • [00:04:07] <mdp> there's also a userspace driver library for low-end lcds too that's popular
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  • [00:05:17] <isaacbw> any idea what it's called?
  • [00:05:22] <XMPPwocky> screw it, I'll use the starterware bootloader :?
  • [00:05:45] <mdp> lcdproc is one but I thought there was something more generic as a library
  • [00:05:54] <mdp> they may only support character lcds though
  • [00:06:22] <isaacbw> mm, okay
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  • [00:07:39] <isaacbw> thanks for the help
  • [00:09:07] <mdp> maybe lcd4linux too
  • [00:09:13] <mdp> worth at least seeing what they do
  • [00:09:22] <mdp> you've got plenty of options
  • [00:10:00] <mdp> kkeller posted on the list an example of bitbanging a nokia display from javascript even..yet another option???
  • [00:10:48] <XMPPwocky> Arduino's libraries have a bunch of LCD stuff, might be handy for reference
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  • [00:11:52] <mdp> yeah, that's what kkeller simply ported with simple wrappers to "bonescript" fwiw
  • [00:12:18] <mdp> I did the same for the adafruit 1.8" lcd..used the arduino lib for the painful magic init reference
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  • [00:49:37] <isaacbw> is the microsd card that ships with the beaglebone partitioned? I'm assuming I can only see the boot partition when I mount the beaglebone via usb
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  • [01:29:15] <mdp> isaacbw: yes, you'll see them all on a linux box
  • [01:29:25] <mdp> boot partition is fat
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  • [01:31:57] <XMPPwocky> anyone else feel like James Bond when downloading stuff from TI?
  • [01:32:26] <XMPPwocky> "(e) I will NOT USE or TRANSFER this Software/Tool for use in any sensitive NUCLEAR, CHEMICAL or BIOLOGICAL WEAPONS, or MISSILE TECHNOLOGY end-uses unless authorized by the U.S. Government by regulation or specific license."
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  • [01:34:12] <bones_was_here> yeah i have crap like that when i order a beagle, but for crytographic munitions, probably because openssl is on the sd card >_>
  • [01:35:10] <bones_was_here> because of COURSE terrorists would not break such a promise after they get the hardware...
  • [01:35:24] <bones_was_here> clearly a most effective measure! :)
  • [01:37:20] <XMPPwocky> not to mention any terrorist with the resources to build a nuke clearly needs a SoC to make it work
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  • [02:21:58] <borillion> moving my finger down on my touchscreen with an app running that shows the touch position, move to the left. Does this mean the touchscreen input is rotated counter clockwise?
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  • [02:38:12] <isaacbw> sounds like it
  • [02:42:26] <borillion> things I have been finding are ugly fixes http://code.google.com/p/android-x86/issues/attachmentText?id=474&aid=4740002000&name=new+file&token=a--x3N0_g2xgMMec7ijJnRlyHik%3A1334195779372
  • [02:43:58] <isaacbw> eh, what on earth is the point of android-x86
  • [02:44:01] <isaacbw> I've seen it before
  • [02:44:09] <isaacbw> it seems pretty silly
  • [02:44:28] <borillion> no idea, so you can run it on laptops and pc's
  • [02:44:42] <isaacbw> again, WHHHHHYYYYYYY
  • [02:44:45] <isaacbw> heh
  • [02:44:54] <borillion> but its the patches im interested in they used to fix this touch screen
  • [02:45:25] <isaacbw> you have android running on the beagle?
  • [02:45:37] <borillion> except there are things like apple-hid.c that I see, and dont understand why they are being edited or touched/needed
  • [02:45:40] <borillion> yes I do
  • [02:45:48] <borillion> ICS with hardware acceleration
  • [02:46:17] <borillion> Beagle xm A2
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  • [02:50:25] <borillion> isaacbw, I agree about the why of x86 I just use debian
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  • [03:17:32] <XMPPwocky> hooray
  • [03:17:51] <XMPPwocky> i've managed to get the StarterWare bootloader to work properly
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  • [06:23:17] <_av500_> start me up
  • [06:23:42] * aholler offers coffee
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  • [06:36:27] <aholler> maybe some penguin peppermints will help, I've just ordered me fresh supply ;)
  • [06:36:43] <_sundar_> hi all
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  • [06:45:36] * hitlin37 offers wear leveling algorithm
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  • [06:58:08] <_sundar_> guys, does the bbxm have crypto hardware accelerator?
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  • [07:00:27] * _tasslehoff_ takes a wild guess that those who know are not allowed to talk about it
  • [07:02:31] <aholler> _sundar_: no
  • [07:03:12] <_sundar_> aholler, hmm just as expected
  • [07:03:27] <aholler> and why should one need such?
  • [07:04:19] * _tasslehoff_ is still grumpy because the timer-who-must-not-be-named disappeared :)
  • [07:05:37] <aholler> all i/o (almost always usb) is slow enough that it isn't a problem for the arm-cpu to do encryption besides what it else should do.
  • [07:06:49] <_sundar_> aholler, i was wondering if it has one after reading this: http://comments.gmane.org/gmane.comp.hardware.beagleboard.general/22220
  • [07:08:24] * stuk_gen (~quassel@151.65.25.24) has joined #beagle
  • [07:08:51] <koen> _sundar_: there's crypto hardware in the DM3730, but the drivers are not so usefull
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  • [07:10:03] <_sundar_> koen, is there any security version of the DM3730 that only offers this capability?
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  • [07:13:16] <koen> 09:08 < koen> _sundar_: there's crypto hardware in the DM3730, but the drivers are not so usefull
  • [07:13:37] <LetoThe2nd> koen: drivers besides devmem2?
  • [07:14:42] <aholler> http://processors.wiki.ti.com/index.php/Cryptography_Users_Guide
  • [07:14:47] <_sundar_> koen, there are drivers provided by TI for omap3. not sure if it is tested on bbxm
  • [07:15:12] <_sundar_> ahh, devices supported :/
  • [07:18:11] <aholler> and they still use 2.6.32
  • [07:19:00] <koen> LetoThe2nd: there's a userspace one (ocf) and an in-kernel one
  • [07:19:16] <koen> the in-kernel one is usefull to tunnels/vpns
  • [07:19:43] <koen> but someone at nokia decided that only HS silicon can use those drivers, and TI didn't bother to fix it since they went the OCF route
  • [07:20:14] * icota (~quassel@dh207-26-200.xnet.hr) has joined #beagle
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  • [07:20:55] <aholler> hmm, so my n900 could use the in-kernel one?
  • [07:21:08] <LetoThe2nd> koen: ah yes.
  • [07:21:12] <av500> _sundar_: yes it has
  • [07:21:52] * hitlin37 (~chatzilla@182.71.144.118) Quit (Quit: ChatZilla 0.9.88.2 [Firefox 11.0/20120310193444])
  • [07:22:01] <XorA> BBXM has a monster DSP based crypto accellerator :-D
  • [07:22:03] <koen> aholler: probably
  • [07:22:21] <XorA> AES was designed to be done in DSP and microcontroller hardware
  • [07:22:36] * JViz (~JViz@cpe-024-163-006-117.triad.res.rr.com) Quit (Quit: vidi vici veni)
  • [07:22:36] <av500> no need, there is AES in hardware on omap3
  • [07:22:57] <aholler> just undocumented, I assume ;)
  • [07:23:02] <av500> no
  • [07:23:08] <_sundar_> av500, the link from aholler says its there only in AM35xx and AM37xx devices
  • [07:23:11] <av500> it is documented, but not public
  • [07:23:29] <_sundar_> oh!
  • [07:23:29] <av500> _sundar_: AM37xx == DM37XX == OMAP37xx
  • [07:23:35] <XorA> yeah, my TRM gets significantly smaller when I walk outside the TI office :-D
  • [07:23:42] <av500> its all the same silicon
  • [07:24:08] <aholler> not public is the same for me as undocumented. like the mux for the secured mode ;)
  • [07:24:10] <av500> and as said, there is a driver for omap3 aes in the kernel
  • [07:24:22] <koen> OMAP36xx to be exact
  • [07:24:46] <aholler> ah, thats why I've missed it. I only have read the trm for the 34xx
  • [07:24:58] <av500> crypto stuff is supposed to be used with "secure" omaps
  • [07:25:19] <av500> but it works as good on non-secure
  • [07:25:42] <av500> TI reps are constantly surprised when we tell them we use it with GP chips
  • [07:26:49] <aholler> hmm, looks like I will try it when I have a stable 3.3 kernel ;)
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  • [07:49:00] <aholler> but I'm currently even too dumb to use a ds1307. I hope my penguin peppermints will be delivered today ;)
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  • [07:56:43] <av500> aholler: I wrote ds1307 code in 1999 :)
  • [07:57:06] <aholler> http://ahsoftware.de/ds1307_should_work_but_doesnt.gif http://ahsoftware.de/ds1307_does_somewhat_work.gif
  • [07:57:20] * emeb_mac (~ericb@ip72-223-81-94.ph.ph.cox.net) Quit (Quit: emeb_mac)
  • [07:57:37] <stuk_gen> hi all :) recently i'm build qt with glx acceleration and gstremer. in my app i'm play a short video and i have some opengl widget. The video is play with some little speed but when i run animation on gl object app crash with beagleboard BufTab.c:440: BufTab_getNumBufs: Assertion `hBufTab' failed. is there a know issue with gstreamer and glx? i'm using bb xM
  • [07:57:52] <aholler> I use it to get some exercise with the ossi, but I don't find the problem.
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  • [07:59:27] <stuk_gen> maybe is need much memory to set up in bootargs?
  • [07:59:35] <aholler> it's msp430 launchpad <-> sparkfun 8745 <-> ds1307
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  • [08:03:18] <koen> av500: so that tarball-on-ftp guy wasn't kidding, he has no patches or scm :)
  • [08:04:46] <av500> which guy?
  • [08:05:27] <LetoThe2nd> aholler: hehe, playing with new scope?
  • [08:06:05] <aholler> yes ;)
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  • [08:06:56] <snowrichard> hi
  • [08:07:04] <aholler> but it doesn't help. maybe I should go my old way and starring at the code and not at the scope ;)
  • [08:07:20] <LetoThe2nd> usually thats the better one indeed.
  • [08:09:02] <aholler> at least I've got familiar using the scope and all his multifunctional buttons ;)
  • [08:10:41] <LetoThe2nd> hehe, what one was it?
  • [08:11:19] <koen> av500: john heil on the beagle list
  • [08:11:22] <aholler> the 60mhz thingy from conrad, does now run with 200mhz
  • [08:15:17] <aholler> took me a day to get somewhat familiar with, but now I'm happy as I can make the necessary settings to measure something in a few seconds.
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  • [08:16:09] <LetoThe2nd> aholler: it is kind of firmware hackable?
  • [08:16:42] <aholler> http://elinux.org/Das_Oszi
  • [08:17:37] <aholler> so, yes
  • [08:17:50] <LetoThe2nd> ah funny.
  • [08:19:29] <av500> LetoThe2nd: prpplague's new project
  • [08:19:41] <av500> until something else comes along
  • [08:19:45] <LetoThe2nd> av500: guessed that much.
  • [08:19:46] <av500> give it 1.5 days...
  • [08:23:22] * harshpb (~harsh@122.248.161.59) Quit (Remote host closed the connection)
  • [08:30:11] * jannau could use an oszi to check whether the audio controller or the codec is to blame for broken audio on this tablet
  • [08:30:51] <koen> or both
  • [08:31:11] <jannau> I've run out of ideas what to check from software. clocks, pinmux, gpio and register dumps of all hw looks sane
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  • [09:08:18] <aholler> starring at the code helped, it works ;)
  • [09:08:34] * av500 sends a START condition to aholler
  • [09:09:07] <aholler> the ack was it, I've misinterpreted it (forgotten a !) ;)
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  • [09:11:10] <aholler> so now I have a msp430-launchpad-usb-rtc ;)
  • [09:11:35] <aholler> totally overdosed by using a ds1307, but ...
  • [09:11:48] <av500> blog about it
  • [09:12:33] <aholler> na, it's to stupid. would be worth if I could battery backup the msp, but I would need to think about how to do that
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  • [09:12:55] <av500> you can battery backup the DS1307, no?
  • [09:13:26] <aholler> yes, but therefor it's stupid. if I would battery backup just the msp, nothing else would be needed
  • [09:13:58] * Ceriand|desktop (~Ceriand@unaffiliated/ceriand) Quit (Quit: Leaving.)
  • [09:14:33] <LetoThe2nd> everybody needs a hobby
  • [09:14:45] <aholler> but I'm currently not that deep into electronics, so it would took me too much time to find out how to do that.
  • [09:16:15] <aholler> LetoThe2nd: exactly, I'm currently luckily to have the time to play with such stuff.
  • [09:18:33] <LetoThe2nd> aholler: http://www.nichtlustig.de/comics/full/041213.jpg
  • [09:21:00] <av500> aholler: should be simple, just use a pair of BAT54C for 3.3v from battery or power supply to pin 2 (VCC)
  • [09:21:22] <av500> we used MSP for RTC for some time
  • [09:22:08] <LetoThe2nd> av500: like, "buy an msp for rtc use and get some logic circuitry for free?"
  • [09:23:18] <av500> LetoThe2nd: we needed it for other stuff anyway
  • [09:23:20] <koen> moar musb fixes: https://github.com/koenkooi/linux/commits/linux-ti33x-psp-3.2-r10b+gitre8004dad869568692ca2a45c04e8464ce48cc4d7
  • [09:23:23] <aholler> hmm, I should have those lying around somewhere. thanks, I will try it out.
  • [09:23:28] <av500> like power sequencing and suspend control
  • [09:23:36] <LetoThe2nd> av500: guessed that much :P
  • [09:25:20] <av500> later we went for an atmega, seems to have been cheaper
  • [09:26:03] <aholler> the msp is fine because the launchpad gives a free usb-device
  • [09:26:26] * LetoThe2nd successfully introduced cortex m0/m3 instead of crappy renesas 16bitters here. *strike*
  • [09:27:09] <av500> aholler: https://lh4.googleusercontent.com/-W3edjRZsoMk/T4afcfg_ToI/AAAAAAAAB4A/Hs83d9GlUdU/s991/IMG_20120412_112359.jpg
  • [09:27:18] <av500> hope you can access that
  • [09:27:30] <av500> the 22k is the battery charge I think
  • [09:28:19] <aholler> thanks again, will try it.
  • [09:29:26] <aholler> now that I have a ossi, I'm able to see the analog-stuff. just using a volt-meter for such things isn't that funny ;)
  • [09:29:46] <av500> ossi is always good, he can also make coffee
  • [09:30:25] <LetoThe2nd> ozzy... hmm.. *sing* i spoke to god this morning and he don't like you
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  • [09:30:51] <av500> moar CDDS hell
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  • [09:36:29] <snowrichard> hi
  • [09:37:22] <koen> LetoThe2nd: So you like those D??umling CPUs?
  • [09:38:30] * av500 (~av500@pd95bf55a.dip0.t-ipconnect.de) Quit (Ping timeout: 244 seconds)
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  • [09:39:00] <LetoThe2nd> koen: i like everything that can be used with a sane compiler. the iar we have for the resas crap IS NOT
  • [09:39:15] <mru> iar lol
  • [09:39:33] <mru> but I've seen worse
  • [09:39:51] <koen> LetoThe2nd: at DesignWest I chuckled at a few booths as well
  • [09:39:57] <koen> IAR, Green Hills, etc
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  • [09:40:19] <mru> I've seen worse than green hills too
  • [09:40:21] <koen> and a lot of boothbabes tried to convince me that I needed more boundary scan in my life
  • [09:40:31] <LetoThe2nd> mru: not when it comes to compilers, and certainly not when it comes to software where you actually have to pay, instead of getting compensation fpr your pains when using it.
  • [09:40:40] <mru> koen: I'd let them scan my boundary any time
  • [09:40:56] <LetoThe2nd> koen: i like boothbabes. but i don't care about boundary scan ;)
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  • [09:41:19] <mru> LetoThe2nd: I've seen compilers worse than iar and green hills combined
  • [09:41:30] <koen> LetoThe2nd: some of them were scary, they actually knew what they were talking about
  • [09:41:49] <LetoThe2nd> but the babes at EW were not very entertaining (visually spoken)
  • [09:42:01] <LetoThe2nd> mru: actually in use later than 1945?
  • [09:42:05] <mru> yes
  • [09:42:36] <mru> it was a compiler for the ST20, which also happens to be the worst CPU I've ever seen
  • [09:42:37] <koen> LetoThe2nd: I still don't get what use boothbabes are on technical conference, except for using as PHB bait
  • [09:42:37] * LetoThe2nd suggests to stick a big nuclear/biohazard danger sign to places where such software dwells.
  • [09:43:13] <aholler> compilers are always fun.
  • [09:43:39] <LetoThe2nd> koen: nothing bad about bait. gives you that nice warm neanderthal feeling.
  • [09:44:16] <mru> koen: you don't like eye candy?
  • [09:44:53] <koen> I do, but I can't focus on jtag when being surrounded by eye candy
  • [09:45:10] <_av500_> crap VDSL
  • [09:45:25] <LetoThe2nd> hehe
  • [09:45:41] <_av500_> lets switch the default gw to cable
  • [09:46:15] <snowrichard> i have no cable / dsl i'm on a 3G wireless mifi box now
  • [09:46:31] * koen hugs his fiberconnection
  • [09:46:48] * koen stabs the fiber modem that requires a reset every ~10 days
  • [09:47:14] * LetoThe2nd is totally happy with his cable link. uptimes in the range of 100s of days are the standard here.
  • [09:47:28] <koen> _av500_: internet at the office is faster now, but still a lot slower than at home :)
  • [09:47:37] <aholler> LetoThe2nd: big brother is watching you ;)
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  • [09:48:09] <av500> better
  • [09:48:10] <LetoThe2nd> aholler: nope, i only got a smaller brother.
  • [09:48:15] <koen> LetoThe2nd: some idiot thougt it would be nice to use 2 modems: one for fiber -> ethernet and another for tunneling
  • [09:48:31] <mru> LetoThe2nd: System Up Time 4003:34:43 here
  • [09:48:34] <koen> LetoThe2nd: the fiber -> ethernet hangs from now and then, the tunneling modem is solid
  • [09:48:48] <jannau> av500: argh, I have sound^Wnoise. turns out that the echo canceler works very well if disabled
  • [09:48:49] <LetoThe2nd> mru: sweet. your server box?
  • [09:48:54] <mru> adsl modem
  • [09:49:24] <mru> router box up 296 days, 14:04
  • [09:49:29] <_av500_> too bad we cannot get a fixed IP on cable here
  • [09:49:40] <_av500_> but we got one for the VDSL25
  • [09:49:40] <aholler> ?
  • [09:49:57] <LetoThe2nd> mru: sounds comparable, yes.
  • [09:50:19] <mru> LetoThe2nd: that's when I moved into this flat
  • [09:50:42] <LetoThe2nd> well in the next weeks my downtime counter will increase again, as i move in about two weeks.
  • [09:52:34] <aholler> hmm, soldering fun again, the microcrystal of the launchpad :/
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  • [12:52:20] <aholler> hmm, nokia has a run, again
  • [12:54:06] <av500> a running nose?
  • [12:54:32] <LetoThe2nd> a r??n?
  • [12:54:48] <av500> ruined runes
  • [12:54:50] <aholler> down
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  • [12:57:48] <aholler> I wonder if they are still happy effectively leaving the smartphone market
  • [12:59:06] <mru> they were never really in the smartphone market
  • [12:59:43] <aholler> hmm, I think the n900 didn't sold that bad.
  • [12:59:47] <av500> lol
  • [12:59:48] <av500> sold?
  • [12:59:55] <av500> I know nobody that actually bought one
  • [13:00:24] * ogra_ knows two perople that paid for it
  • [13:00:29] <mru> av500: thresh bought one
  • [13:00:32] <aholler> I know several
  • [13:01:01] <av500> all the people I know got them for free
  • [13:01:06] * erluk (~erluk@scc-wkit-clx-219-122.scc.kit.edu) Quit (Ping timeout: 265 seconds)
  • [13:01:21] <aholler> not the hard when knowing all the omap-devs ;)
  • [13:01:41] <av500> make that QT devs :)
  • [13:01:48] <av500> and omap ones
  • [13:02:19] <aholler> I assume the qt-people are now in the automobile business
  • [13:02:46] <av500> and in the winphone7 one :)
  • [13:03:01] <av500> as long as nokia pays....
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  • [13:04:12] <aholler> I would have bought a meego-phone if that would have been continued
  • [13:04:42] <av500> buy the N9
  • [13:04:57] <av500> it's meamo but you are allowed to call it meego
  • [13:06:03] <aholler> n9 is useless without community, and the community disappeared with the support from nokia ;)
  • [13:06:15] <av500> there's an app store
  • [13:06:21] <av500> no need for community...
  • [13:06:47] <mru> aholler: there never was a community
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  • [13:12:12] <aholler> yes, it was a disruption
  • [13:12:56] <av500> it had to be done, RPM is so much better
  • [13:13:40] <mru> at least in automotive
  • [13:13:54] <av500> yes
  • [13:14:00] <av500> though VROOOM is also good
  • [13:14:24] <mru> virtual read-only object oriented memory?
  • [13:14:25] <aholler> hmm, I too think rpm is better than deb, but who cares about the package-system.
  • [13:15:31] <av500> aholler: religious people
  • [13:15:42] <av500> aka open source developers
  • [13:15:44] <mru> aka freetards
  • [13:18:55] <LetoThe2nd> who needs a package system when there is make install?
  • [13:19:20] <aholler> the make uninstall
  • [13:19:34] <mru> the horror
  • [13:20:12] <_sundar_> or when you don't have make
  • [13:20:23] <av500> then you have INSTALL.BAT
  • [13:21:00] <mru> but where is CLUE.BAT?
  • [13:21:18] <LetoThe2nd> BASEBALL.BAT ftw
  • [13:21:32] <aholler> just ask m$ aboutwhat happens when everyone uses their own package managment. they learned it the hard way ;)
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  • [13:22:21] <aholler> and invented tools which are searching through the hole fs to find some broken dlls
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  • [13:23:58] <aholler> +w
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  • [13:26:29] <Guest66972> I accidently erased the NAND on my beagle board. I tried http://www.angstrom-distribution.org/demo/beagleboard/ and http://circuitco.com/support/index.php?title=BeagleBoard#BeagleBoard_Rev_C5_Image but somehow the NAND is not put back to a working state. Can anybody help please?
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  • [13:30:30] <av500> Guest66972: ignore NAND and boot from sdcard
  • [13:32:22] <aholler> or learn how to use the nand. therefor it's a dev-board
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  • [13:33:32] <aholler> e.g. http://elinux.org/BeagleBoardNAND
  • [13:34:00] <aholler> but that might be outdated (regarding sw-versions)
  • [13:34:03] <Guest66972> I have ubuntu on my other beagle boards' sd card and this one does not boot with the corrupted NAND board
  • [13:34:18] <Guest66972> so I can't ignore it unfortunately
  • [13:34:28] <aholler> just erase the nand, press the user-button to boot u-boot from the sd-card
  • [13:34:35] <av500> if you hold the user button, it should boot from sdcard
  • [13:35:11] <Guest66972> it does when I press it, but the webpage said, that it should flash the nand during this process
  • [13:35:14] <Guest66972> but it doesn't
  • [13:36:11] <aholler> press a key in the serial-console when u-boot starts
  • [13:36:19] <aholler> then you can erase the nand
  • [13:36:49] <aholler> http://elinux.org/BeagleBoardRecovery
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  • [13:37:00] <Guest66972> but on the serial connection I can't type anything, it somehow freezes in the line: OMAP3 beagleboard.org #
  • [13:37:37] <aholler> do you've tried to help there?
  • [13:37:41] <Louisbob> Hi everybody! I would know if it's possible to program the Beagleboard directly in C language
  • [13:37:41] <aholler> +type
  • [13:37:49] <av500> Louisbob: no
  • [13:37:57] <av500> the OMAP3 executes arm assembly
  • [13:38:08] <av500> so you need a compiler
  • [13:38:25] <mdp> don't you need an assembler?
  • [13:38:39] <av500> mdp: you can do that with pen&paper
  • [13:38:44] <mdp> ok
  • [13:39:17] * mdp takes notes on yellow stickies
  • [13:39:18] <mru> av500: I thought it executed arm machine instructions
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  • [13:39:27] <Louisbob> av500: Ok, sorry. I would say if it's possible to program, compile, and upload binaries to the board, without OS installed on the bb
  • [13:39:47] <mru> how did you think the OS got there?
  • [13:40:00] <aholler> by hand waving
  • [13:40:01] <mdp> starterware is the answer..what's the question
  • [13:40:01] <Louisbob> yes true ^^
  • [13:40:18] <av500> Louisbob: yes
  • [13:40:31] <Louisbob> I mean, does a simple IDE exist, to do that?
  • [13:40:35] <av500> IDE?
  • [13:40:38] <av500> what for?
  • [13:40:53] <mru> a simple IDE is a contradiction in terms
  • [13:40:56] <av500> my editor can edit OS code as good as non-OS code
  • [13:40:58] <LetoThe2nd> ide is outdated, use sata
  • [13:41:00] <aholler> Louisbob: no, you want an os which does the stuff you can't
  • [13:41:03] <Louisbob> sorry, french for Development environement program
  • [13:41:09] <av500> oui
  • [13:41:29] <Louisbob> shut up geeks ^^
  • [13:41:35] <av500> still, you dont need an IDE to copy code to an sdcard
  • [13:41:43] <Louisbob> ok
  • [13:41:45] <av500> "cp" is fine for that
  • [13:41:48] <rory> I'm trying to communicate with an Arduino through the serial port, when I use minicom (ttyACM0, baud 9600) everything works fine, but when I don't the LCD connected to the Arduino just flashes once upon input. Can anybody give me a hint why?
  • [13:42:00] <mru> but if you think you need an ide, you probably shouldn't be coding bare-metal on omap3
  • [13:42:00] <Louisbob> so just compile, install bootloader on the sdcardwith C code?
  • [13:42:21] <av500> Louisbob: the omap3 can boot from sdcard
  • [13:42:27] <av500> so it will run whatever code you put
  • [13:42:46] <Louisbob> yes, but when there is no OS?
  • [13:42:54] <av500> yes, and?
  • [13:43:02] <av500> how does the OS get loaded?
  • [13:43:03] <Louisbob> I guess we'll need a special bootloader that load program in memory?
  • [13:43:12] <av500> yes, its in OMAP3 ROM
  • [13:43:18] <av500> [15:42:20] <av500> Louisbob: the omap3 can boot from sdcard
  • [13:43:21] <av500> [15:42:27] <av500> so it will run whatever code you put
  • [13:43:24] <Louisbob> it loads a kernel, i want to load a Hello world first :)
  • [13:43:33] <av500> sure
  • [13:43:33] <mdp> :)
  • [13:43:34] <Louisbob> ok
  • [13:43:36] <_sundar_> lol
  • [13:44:00] <aholler> and what displays the hello world?
  • [13:44:02] <_sundar_> then you print hello world in the bootloader
  • [13:44:14] <av500> aholler: morse code on the LED
  • [13:44:26] <aholler> hmm, that sounds affordable
  • [13:44:45] <aholler> after you got around the clocks ;)
  • [13:44:56] <Louisbob> lol
  • [13:45:05] <Louisbob> ok
  • [13:45:41] <aholler> Louisbob: an omap is much more complicated than an avr or similiar. you don't want to do start without an os
  • [13:45:57] <av500> unless you write your own OS
  • [13:46:01] <Louisbob> well maybe I can explain the goal, or you will laugh at me for a while
  • [13:46:06] <av500> we will
  • [13:46:17] * LetoThe2nd offers popcorn.
  • [13:46:21] <Louisbob> :D
  • [13:46:39] <_sundar_> his goal is to laugh and make us laugh
  • [13:47:18] <Louisbob> So I want to make a program, and have direct acess to I/O pins on the board, to plug a fingerprint reader on it. I will need a debugging tool too.
  • [13:47:28] <LetoThe2nd> so far it sounds very much like "i have got his project and i want to come up with as many xy-questions as possible."
  • [13:47:38] <Louisbob> lol
  • [13:47:42] <aholler> linux offers anything you need
  • [13:47:45] <av500> Louisbob: install linux, install usb fingerprint reader
  • [13:47:49] <Louisbob> I have do a lots of search before coming here guys
  • [13:47:50] <av500> use printf
  • [13:47:51] <_sundar_> what you wanna do after you get the finger print?
  • [13:47:52] <av500> done
  • [13:47:54] <av500> next!
  • [13:48:02] <Louisbob> -_-"
  • [13:48:10] <av500> quoi?
  • [13:48:26] <Louisbob> just the fingerprint with 5 connecteors, no usb
  • [13:48:32] <av500> fine
  • [13:48:58] <av500> you will be wasting all your time to get your no-OS to run
  • [13:49:11] <_sundar_> that will save you from coding all the usb stuff
  • [13:49:14] <LetoThe2nd> yeah, using a known good os is certainly easier.
  • [13:49:18] <Louisbob> the goal of the project is to make a documentation that explains how program, debug, and access low-level stuff on the BB
  • [13:49:35] <av500> s/BB/Arduino/
  • [13:49:39] <Louisbob> I don't need USB in fact
  • [13:49:40] <aholler> Louisbob: all done, read the u-boot documentation
  • [13:49:40] <_sundar_> lol
  • [13:49:41] <LetoThe2nd> as i said. all of the above was only XY.
  • [13:49:51] <Louisbob> i want to plug the fingerprint directly to the board
  • [13:49:56] <av500> sure
  • [13:50:08] <LetoThe2nd> http://mywiki.wooledge.org/XyProblem
  • [13:50:30] <av500> Louisbob: you can do your project
  • [13:50:36] <av500> look at MLO and uboot
  • [13:50:53] <av500> then you can at least access GPIO, LED and UART
  • [13:50:56] <_sundar_> is it college project?
  • [13:51:04] <av500> enough for your project
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  • [13:52:26] <Louisbob> ok
  • [13:52:46] <_sundar_> what about the finger print reader
  • [13:52:53] <Louisbob> will read that stuff. thnaks!
  • [13:57:33] * risca (~risca@wi-secure-6982.cc.umanitoba.ca) Quit (Ping timeout: 245 seconds)
  • [13:57:40] <Louisbob> (channel is calm when no mocking)
  • [13:57:49] <Louisbob> (troll)
  • [13:57:56] * Guest66972 (81bb4ac1@gateway/web/freenode/ip.129.187.74.193) Quit (Quit: Page closed)
  • [13:58:43] <LetoThe2nd> oO( well, what would one suspect. you got your pointers, now its time to do your homework. *popcorncrunch* )
  • [13:59:57] * av500 throws chairs around
  • [14:00:17] <LetoThe2nd> good idea, lets destroy something!
  • [14:03:15] <aholler> the actual weather would be a good target
  • [14:05:04] <Louisbob> +1
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  • [14:14:15] <Louisbob> Is it possible to access directly to registers when there is the OS running on the Beagleboard? I mean, the OS protecting direct access to low-level stuff, isn't it?
  • [14:14:27] <av500> yes
  • [14:14:34] <av500> but there is stuff like /dev/mem
  • [14:14:46] <av500> so for some "hacking" you can access them from userspace
  • [14:15:03] <av500> but, writing a simple linux driver to access some regs is simple
  • [14:15:12] <Louisbob> so I/O are considered like devices in /dev?
  • [14:15:20] <av500> no
  • [14:15:22] <Louisbob> ok
  • [14:15:27] <av500> but /dev/mem lets you see all the mem
  • [14:15:30] <av500> and io space
  • [14:15:44] <Louisbob> maybe some useful link to tutorial?
  • [14:15:46] <Louisbob> ok
  • [14:16:10] <LetoThe2nd> and the is ldd3, freely available.
  • [14:16:12] <Louisbob> so it's possible to write a driver that read or write on this /dev/mem?
  • [14:16:19] <av500> google devmem2
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  • [14:17:53] <Louisbob> So i have to locate where registers are placed into the memory. A bit complicated, no?
  • [14:18:07] <av500> no
  • [14:18:24] <av500> io registers are where the hw desinger put them
  • [14:18:50] <mru> if you think mmio is a bit complicated, you should probably stick to playing angry birds
  • [14:19:24] <kruemel_> When starting with user button pressed and a sd card, my beagle board starts up to the prompt OMAP3 beagleboard.org #, but via serial port minicom I cannot type anything... Any suggestions?
  • [14:19:25] <LetoThe2nd> yeah. the adresses are all nicely noted in the TRM.
  • [14:19:35] <av500> kruemel_: yes, check your serial
  • [14:19:45] <av500> if you have RX but not TX, the cable is wrong
  • [14:20:36] <kruemel_> I have used the cable for other serial connections there it has worked before
  • [14:20:54] <av500> then: hmm
  • [14:21:21] <kruemel_> can there be anything wrong with the sd card?
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  • [14:29:55] <snowrichard> hi
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  • [14:36:07] <f00bard> you guys, i still can't build cloud9-image for beaglebone =( http://pastebin.com/Bk9t2amj
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  • [14:37:46] <av500> No config found, please run ./oebb.sh config <machine> first
  • [14:38:24] <f00bard> i just built th systemd-image for bb, do i have to run that every time?
  • [14:38:56] * jay6981 (~justin@99-90-66-112.lightspeed.sntcca.sbcglobal.net) has joined #beagle
  • [14:38:57] <av500> I dont knwo
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  • [14:41:11] <f00bard> hmm, i ran config again then run bitbake again, and it says the same thing
  • [14:41:14] <f00bard> werid
  • [14:41:17] <mdp> mru, is words with friends an ok alternative?
  • [14:42:34] <koen> f00bard: bitbake nodejs-native -c cleansstate
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  • [14:46:39] <f00bard> koen: then run "bitbake cloud9-image" again?
  • [14:48:00] <koen> yes
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  • [14:52:18] <Louisbob> Sorry, I was afk. So regarding registers, maybe someone has already invented the wheel?
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  • [14:53:37] <av500> yes, its called the "Linux" kernel
  • [14:53:52] <av500> but it's rather odd-shaped
  • [14:54:05] * kruemel_ (81bb4ac1@gateway/web/freenode/ip.129.187.74.193) Quit (Quit: Page closed)
  • [14:54:29] <Louisbob> like?
  • [14:54:43] <Louisbob> difficult to understand or odd to use?
  • [14:54:54] <mru> mdp: only if the words are naturally aligned
  • [14:55:51] * snowrichard (42570077@gateway/web/freenode/ip.66.87.0.119) Quit (Ping timeout: 245 seconds)
  • [14:56:08] <av500> mdp: always run "indent" over your love letters
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  • [14:57:26] <mru> av500: hmm, maybe I should try that...
  • [14:58:52] <f00bard> koen: same error http://pastebin.com/K7AWgMuP
  • [14:59:51] <koen> I wonder why you get the paths in twice
  • [15:00:51] <f00bard> yea, that's odd, i guess do_populate_sysroot is built in task in bitbake?
  • [15:01:15] <f00bard> that is, it's not in the nodejs recipe
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  • [15:01:41] <f00bard> so.. i'm assuming it has some magic that creates that path
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  • [15:06:03] <aholler> you've checked df and dmesg for stupid errors?
  • [15:09:02] <f00bard> plenty of space on the disk
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  • [15:09:24] <f00bard> i mean the symptom is pretty straightforward, the path is getting munged, the question is why, it's a pretty vanilla setup
  • [15:09:42] <f00bard> building in a VM, clean install of debian, havnet done anything on it except attempt to build beaglebone image
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  • [16:05:58] <rlrosa> hi
  • [16:06:08] <Haikarainen> hi
  • [16:06:22] <mru> lo
  • [16:06:27] <av500> lo
  • [16:06:44] <mru> parity is restored
  • [16:07:02] <rlrosa> that's an awesome welcome
  • [16:07:06] <av500> party on
  • [16:07:50] * NishanthMenon (~nmenon@192.91.66.189) has joined #beagle
  • [16:07:53] <Haikarainen> lo bob
  • [16:08:01] * Haikarainen disturbs the balance
  • [16:09:09] <rlrosa> i'm having trouble with an unsteady loop running on a beagleboard XM 2.6.32. i tried a little program which just sleeps and logs time, and it worked fine. it was supposed to take ~10ms, and it never went over 17ms (some spikes, but not many). my normal loop reads form uart2, data comes every 10ms, and sometimes i get a loop that'll take up to 6 seconds (between 2 samples), and the following samples are much faster than 10ms
  • [16:10:32] <rlrosa> i implemented a logger to avoid SD I/O stalling my main. my main writes to a pipe, and the logger takes from the pipe and writes to mem (don't care it the logger stalls, and it keeps up fine)
  • [16:10:49] <rlrosa> i use select to check if uart has data
  • [16:11:20] <rlrosa> i'm kind of out of ideas. i'm trying to use oprofile to see if i find something usefull
  • [16:11:20] * Haikarainen (~Fredrik@h-129-244.a258.priv.bahnhof.se) Quit (Read error: Connection reset by peer)
  • [16:12:07] <rlrosa> i'm not expecting a solution (though i've gotten a lot of magical answers from this IRC), but any tips on how to /where to look would be awesome..
  • [16:13:36] <rlrosa> any suggestion regarding what tool i could use to see what's stalling me for 5-6 secs?
  • [16:13:38] * stuk_gen (~quassel@151.65.25.24) Quit (Remote host closed the connection)
  • [16:14:03] <av500> and if you dont log at all?
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  • [16:32:46] <av500> NishanthMenon: try again
  • [16:33:21] <NishanthMenon> av500, you really ought to get LWN subscription
  • [16:33:24] * ogra_ (~ogra@p5098ed03.dip0.t-ipconnect.de) Quit (Excess Flood)
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  • [16:33:50] <NishanthMenon> av500, I am not about to post a lwn free subscriber link in public domain ;) aint fair to jonathan and gang
  • [16:33:58] <av500> in fact it is
  • [16:34:12] <av500> aaui, its even sanctioned
  • [16:34:29] <av500> as a kind of andvertisement
  • [16:34:33] <av500> -n
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  • [16:35:00] <av500> if you dont want to, dont tease me with urls that dont work
  • [16:35:02] * ogra_ (~ogra@p5098ed03.dip0.t-ipconnect.de) has joined #beagle
  • [16:35:03] * NishanthMenon has a moral dilemma
  • [16:35:06] * flo_lap (~fuchs@Maemo/community/contributor/florian) Quit (Ping timeout: 246 seconds)
  • [16:35:17] <mru> morals are overrated
  • [16:35:58] <av500> http://lwn.net/op/FAQ.lwn#slinks
  • [16:36:00] <av500> last one
  • [16:36:37] <av500> I think corbet clarified that even recently on HN
  • [16:36:43] <NishanthMenon> av500, http://pastebin.pandaboard.org/index.php/view/9417507 is what I see when i generate one
  • [16:37:04] <NishanthMenon> lwn gives me tons of "fav LWN links" :(
  • [16:37:41] <av500> I read that as "dont make a service that posts every lwn story as a subscriber link"
  • [16:38:07] <av500> anyway, up to you, but then add (subscription needed) in your post :)
  • [16:38:23] <av500> and check your spelling
  • [16:38:31] <koen> NishanthMenon: Jon is ok with posting subscriber links, just not with services like av500 mentions
  • [16:38:48] <rlrosa> av500, seems to work perfectly without logging...
  • [16:39:06] <av500> then the logging is your problem
  • [16:39:34] <rlrosa> i made a little library that calls from my main, and launches the logger that reads from the pipe to which main writes (i don't want to multithread because i don't know how to ..)
  • [16:39:45] <mru> this is the HN thread: http://news.ycombinator.com/item?id=3793422
  • [16:39:48] <rlrosa> this is the main side https://github.com/rlrosa/uquad/blob/master/src/logger/uquad_logger.c
  • [16:39:57] * NishanthMenon capitulates :)
  • [16:39:57] <rlrosa> and this is the logger https://github.com/rlrosa/uquad/blob/master/src/logger/logger.c
  • [16:40:44] <av500> rlrosa: sorry, dont enough code review at work already :)
  • [16:40:47] <av500> done*
  • [16:40:50] <rlrosa> anyway, i'll look into the logger, see that i missed
  • [16:41:12] <rlrosa> av500, sure, you already helped me enough, i went from nothing to knowing where to look :)
  • [16:41:18] <rlrosa> av500, thanks!
  • [16:44:31] * NishanthMenon gets back to booting up eagleboard
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  • [16:44:55] <av500> NishanthMenon: I gave you a +1, dunno about the resale value :)
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  • [16:45:11] * av500 goes home
  • [16:45:26] <NishanthMenon> av500, lol.. hopefully it is cheap enough.. gnite.. tc
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  • [16:57:57] <aholler> rlrosa: try playing with fs-options, e.g. sync.
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  • [16:59:05] <mru> sync mount is usually a _very_ bad idea
  • [16:59:11] <mru> especially on flash media
  • [16:59:25] * XorA (~XorA@slimlogic.co.uk) Quit (Ping timeout: 260 seconds)
  • [16:59:43] <aholler> but using it he will find if it's the source of the pain. goal reached ...
  • [17:00:23] <mru> I rather suspect it will make things worse
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  • [17:10:56] <aholler> rlrosa: you might play with sysctl settings too, e.g. the vm-settings. and you could try to play with cgroups,
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  • [17:29:00] <rlrosa> aholler, ok, i'll check my code in case there's something horribly wrong, then i'll look into those setting. thanks!
  • [17:30:48] <aholler> just try a f(data)sync instead a fflush in your code.
  • [17:31:14] <syrioosh> hi
  • [17:31:27] <syrioosh> has anyone had a problem with ts_calibrate ?
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  • [17:33:41] <snowrichard> hi
  • [17:34:15] <aholler> and try to write larger blocks, e.g. in sizes of 4mb.
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  • [17:49:31] <aholler> rlrosa: but I assume your real problem is collecting and timestamping the incoming stuff and it might become a problem to solve that in userspace.
  • [17:50:32] * jpirko (~jirka@sun-0.pirko.cz) Quit (Quit: Leaving)
  • [17:51:10] <rlrosa> aholler, i'm not sure why timestamping looks like a problem, i think timestamps are ok, the part that fails is saving them to disk
  • [17:51:16] <rlrosa> could you explain what you mean?
  • [17:52:17] <aholler> I don't know if the timestamps are of interest.
  • [17:52:59] <aholler> usually they are. anyway, I've written "collecting" above too ;)
  • [17:53:15] <rlrosa> right, sorry
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  • [17:53:53] <rlrosa> yes, they are vital, the main pgm is a flight controller, and it'll base its actions on the sampling time
  • [17:54:18] <joyjoy> hi, does anyone know the lifetime of the current versions of the beagleboard and beaglebone?
  • [17:54:35] <_av500_> no
  • [17:54:38] <rlrosa> i'm fine with a 10ms jitter, but not with my current 2-5sec jitter
  • [17:55:02] <aholler> I don't think you can reach that in normal unix userspace.
  • [17:55:09] <aholler> s/unix/linux/
  • [17:55:10] <_av500_> there is no garanteed availability
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  • [17:55:37] <aholler> write a small driver whcih timestamps when data comes and and feed that to userspace
  • [17:55:43] * wizzkaz (~wizzkaz@77-22-70-121-dynip.superkabel.de) Quit (Quit: ~ Trillian Astra - www.trillian.im ~)
  • [17:56:01] <koen> would IIO work for that?
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  • [17:56:51] <aholler> iio?
  • [17:56:56] <joyjoy> no guaranteed availability for the boards? i'm interested in using one of the boards for a project that'll last several years, and it'd be nice to not have to port code mid-way
  • [17:57:12] <koen> aholler: http://lwn.net/Articles/339674/
  • [17:58:07] * gustavoz (~gustavoz@host139.190-31-142.telecom.net.ar) Quit (Quit: Leaving)
  • [17:59:20] <aholler> http://www.kernel.org/pub/scm/linux/kernel/git/jic23/iio_v4.git
  • [17:59:30] <aholler> was not found on this server.
  • [17:59:46] <aholler> and that patch just leaves questions ;)
  • [17:59:47] <koen> it's in mainline already iirc
  • [17:59:50] <rcn-ee> joyjoy the board files are on beagleboard.org, worst case you'd just have to pay someone a few years down the road to buidl them for you..
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  • [18:10:04] <rlrosa> aholler, i was hoping i wouldn't have to go to kernel space. i'd like to learn about it, but not sure if i have the time now
  • [18:10:22] <rlrosa> would i'd have to recompile my kernel to get iio in it?
  • [18:10:25] <rlrosa> *i
  • [18:10:38] <aholler> first you need to find it ;)
  • [18:10:47] <rlrosa> aholler, jej
  • [18:12:12] <rlrosa> aholler, so you don't think i an get a steady 10ms loop in user space? how "non steady" do you think it would get? i don't mind occasional spikes, as long as they're not over 20ms
  • [18:12:27] <rlrosa> *i can get...
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  • [18:15:40] <aholler> there is a reason why rt-patches are existing
  • [18:17:06] <toofar> Anyone know what would cause a write() to ttyO5 to not appear on the line when other programs work just fine?
  • [18:17:19] <toofar> minicom and echo work to send data over the UART that is
  • [18:18:01] <toofar> the program causing the problem is hciattach :-/
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  • [18:27:36] <jay6981> rlrosa: hey, did you get your logger separated from your control process?
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  • [18:33:18] <rlrosa> jay6981, i thought i had, but apperantly i didn't do it right
  • [18:34:20] <rlrosa> i launch the logger using system()
  • [18:34:53] <jay6981> oh, the more traditional approach would be a fork/exec i think
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  • [18:37:47] <rlrosa> jay6981, could system() be keeping it attached some how? hence slowing down the main loop...
  • [18:37:59] <rlrosa> i'll try fork and see what happens
  • [18:38:02] <jay6981> yeah, system will block
  • [18:38:24] <jay6981> you're calling system repeatedly in some loop?
  • [18:38:44] <rlrosa> jay6981, no, just once, something like system("./logger &")
  • [18:38:53] <jay6981> ah ok
  • [18:39:17] <jay6981> that should be ok but you can't wait on the PID and see if it died, etc
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  • [18:40:06] <rlrosa> ok, i'll try fork to make a better
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  • [19:09:52] <Crofton_> prpplague, http://www.npr.org/blogs/thesalt/2012/04/12/150502365/the-bacon-sundae-brilliant-or-tragic?ft=1&f=1001&sc=tw&utm_source=twitterfeed&utm_medium=twitter
  • [19:10:05] * prpplague looks
  • [19:10:29] <prpplague> mmmm tastie
  • [19:11:08] <prpplague> Crofton_: http://blogs.miaminewtimes.com/shortorder/2012/04/soft-serve_beer_sorbet_in_japa.php
  • [19:12:02] <Crofton_> The Japanese come up with some odd things
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  • [19:33:58] <prpplague> Crofton_: i thought that is what they say about people in California.......
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  • [19:39:23] <seeker55> what is the easiet route to control a pin of beaglebone from a web interface ?
  • [19:41:34] <prpplague> seeker55: hire someone to program the beaglebone with a web controlled interface
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  • [19:43:49] <seeker55> prpplague: I want to try making it myself. I did something similar on Arduino. I dont know how to get a webserver running on beaglebone to control a pin.
  • [19:44:29] <prpplague> seeker55: hehe, well you asked about easiest.....
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  • [19:47:05] <Crofton_> the further west you go, the stranger things become
  • [19:48:28] <seeker55> prpplauge: :) .. the problem is I do not know where to begin. I can get have lighttp or similar running and write PHP or Ruby on Rails, Java.
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  • [19:53:12] <LetoThe2nd> seeker55: just have a long and thorough look at the cloud9 ide that comes with the angstrom image and the underlying node.js mechanisms. its basically all there already.
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  • [19:58:13] <suhl> hi everybody
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  • [19:59:23] <suhl> where should I post technical bug found in Beagleboard?
  • [19:59:33] <seeker55> LetoThe2nd: thx
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  • [20:00:18] <seeker55> Where can I find sample code for Cloude9 to run on BeagleBone. similar to blink.js
  • [20:01:08] <jay6981> seeker55: all you need is a cgi to touch the userspace gpio interface files in sysfs
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  • [20:03:35] <aholler> suhl: on the ml
  • [20:04:37] <aholler> but you might also notice us, we like to know bugs too ;)
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  • [20:11:52] <prpplague> mdp: ping
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  • [20:22:01] <mranostay> run mdp run!
  • [20:22:04] <mranostay> hi prpplague
  • [20:22:18] <prpplague> mranostay: greetings
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  • [20:57:11] <aholler> suhl: your bug looks like the ml linux-omap or linux-arm would be the right place to ask as it seems to be a bug in the kernel.
  • [20:58:19] <aholler> (preferable in form of a patch)
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