• [00:00:16] <ds2> DPM at work.
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  • [00:07:12] <dhut> ohh thanks for that
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  • [00:07:44] <dhut> Can anyone help regarding angstrom OE build?
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  • [00:11:38] <thurbad> can you be a little more specific?
  • [00:13:11] <dhut> sure, I want to use onboard DSP for image processing, So I am following Opencv-DSP Acceleration project to work it out
  • [00:13:37] <dhut> I found that I need to build Angstrom OE for that
  • [00:14:13] <ds2> no idea how one would go about building Angstrom OE
  • [00:14:13] <dhut> I am not able to do that bcoz of limited space on my machine
  • [00:14:31] <ds2> seem old that one would want to rebuild a build system
  • [00:15:58] <dhut> I read that to build angstrom OE , I need to have 20 GB space and couple of hours of time
  • [00:16:06] <dhut> IS that true?
  • [00:16:17] <dhut> Is there is any way to do that?
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  • [00:19:20] <dhut> here is the link http://code.google.com/p/opencv-dsp-acceleration/wiki/Instruction_For_Building_Examples
  • [00:20:50] <dhut> what do you think ?
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  • [00:25:42] <dhut> thurbad, ds2 , have any idea?
  • [00:27:17] <thurbad> never used opencv, so I dunno
  • [00:27:43] * SilicaGel12 stars
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  • [00:30:30] <dhut> ok
  • [00:30:44] <dhut> thanks thurbad
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  • [01:24:35] <W1N9Zr0> uh oh, my i2c-2 is gone
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  • [01:25:28] <W1N9Zr0> is it somewhere else in 3.0.23 ?
  • [01:26:30] <alan_o> koen: you around?
  • [01:26:41] <mru> he ought to be sleeping at this hour
  • [01:26:50] <mru> but then again, so should I
  • [01:28:07] <alan_o> indeed
  • [01:28:34] <alan_o> I'm looking at his patches in the OE repo
  • [01:28:52] <alan_o> Most of them are not applying
  • [01:29:02] <alan_o> could easily be my fault
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  • [01:36:39] <mranostay> alan_o: which patches?
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  • [01:46:40] <alan_o> mranostay: so the ones in the OE repo in sources/meta-ti/recipes-kernel/linux/linux-ti33x-psp-3.2
  • [01:46:57] <alan_o> based on the recipe (and I'm no expert at this) I did:
  • [01:48:32] <alan_o> git clone (arago-project URL) then applied the patches (git-am) in 3.2.x/ (where x is 1 through 6) then tried to git-am the patches directly in linux-ti33x-psp-3.2/
  • [01:48:44] <alan_o> the ones directly in linux-ti33x-psp-3.2 don't apply cleanly
  • [01:48:55] <alan_o> I just did a pull
  • [01:49:24] <alan_o> and it pulled in 3.2.7 through 3.2.9 and a couple of extra patches (2) in the main directory (linux-ti33x-psp-3.2
  • [01:51:30] <alan_o> I'm wondering if I need to grab the 09e9651bcf2ee8d86685f2a8075b that's in the linux-ti33x-psp_3.2.bb file
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  • [01:54:50] <ds2> did you check it out at the right point?
  • [01:55:00] <alan_o> That's what I'm thinking now is wrong
  • [01:55:19] <alan_o> I checked out and reset it to the 09e9651bcf2ee8d86685f2a8075b that's in the linux-ti33x-psp_3.2.bb
  • [01:56:20] <alan_o> man, now one of the 3.2.9 patches doesn't apply
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  • [01:56:36] <alan_o> git-am --skip :)
  • [01:56:52] <ds2> are they all listed in the recipe?
  • [01:57:06] <ds2> you know... you ask bitbake nicely to do it all for you ;)
  • [01:57:14] <alan_o> That's a good qestion
  • [01:57:16] <alan_o> question
  • [01:57:30] <alan_o> if bb does it all, then I don't learn anything :)
  • [01:57:54] <alan_o> the 00* in linux-ti33x-psp-3.2 apply now
  • [01:58:02] <alan_o> just that one in 3.2.9 didn't take
  • [01:58:09] <ds2> are you applying all of it?!
  • [01:58:19] <alan_o> that's what the recipe says
  • [01:58:38] <alan_o> It has all the ones from 3.2.1 to 3.2.9 in order
  • [01:58:51] <ds2> 'k
  • [01:59:27] <alan_o> yeah, so 0054 (which fails) is not in the recipe (but the file exists)
  • [01:59:28] <alan_o> gar
  • [01:59:29] <alan_o> :)
  • [02:00:19] <alan_o> make am335x_evm_defconfig && make -j5
  • [02:00:25] <alan_o> let's see if it works now
  • [02:00:30] <ds2> blame the chef, not the recipe when things don't turn out ;)
  • [02:00:38] <alan_o> That's right
  • [02:00:48] <alan_o> One day I'm gonna have to learn something about OE
  • [02:01:47] <alan_o> so this kernel from agaro-project, does it get pulled into the mainline by someone?
  • [02:01:56] <alan_o> I had a hard time finding much evidence of that on LKML
  • [02:02:26] <alan_o> Some of the patches are in there, but I'm not seeing pull request emails for it or anything
  • [02:04:09] <alan_o> ok, so all done
  • [02:04:13] <alan_o> now I have to get a beagle bone
  • [02:05:47] <ds2> that's the easy part :D
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  • [02:07:48] <OrlandoT> Does anybody know exactly what the MACHINE=beaglebone ./oebb.sh bitbake systemd-image command does? Also the difference between it and MACHINE=beaglebone ./oebb.sh bitbake virtual/kernel ?
  • [02:08:06] <ds2> yes.
  • [02:08:14] <ds2> difference is finite and bounded.
  • [02:08:55] <OrlandoT> I want to be able to not just generate the uImage but the root file system as well but I only see uImage in the deploy/images/beaglebone directory
  • [02:09:14] <OrlandoT> ah?
  • [02:09:24] <OrlandoT> finite and bounded?
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  • [02:10:40] <W1N9Zr0> systemd-image generates the basic console rootfs along with MLO, uboot and friends
  • [02:13:33] <OrlandoT> where can i find the generated files?
  • [02:13:43] <W1N9Zr0> deploy/images/beaglebone
  • [02:14:05] <OrlandoT> I'm in there but I see uImage
  • [02:14:18] <OrlandoT> and modules
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  • [02:14:46] <W1N9Zr0> did the bitbake systemd-image run successfully?
  • [02:14:48] <OrlandoT> what is the name of the rootfs file ?
  • [02:15:07] <W1N9Zr0> the full path to mine is build/tmp-angstrom_2010_x-eglibc/deploy/images/beagleboard/
  • [02:15:10] <OrlandoT> Summary: There were 5 WARNING messages shown.
  • [02:15:16] <OrlandoT> so i am guessing yes
  • [02:15:37] <OrlandoT> my path is the same but it ends with beaglebone instead
  • [02:15:46] <W1N9Zr0> systemd-image-beagleboard.tar.bz2 -> Angstrom-systemd-image-eglibc-ipk-v2012.03-core-beagleboard.rootfs.tar.bz2
  • [02:16:16] <OrlandoT> ok i surely do not have that file
  • [02:16:34] <OrlandoT> or anything near that name
  • [02:16:44] <OrlandoT> no rootfs name anywhere in any of my files
  • [02:17:39] <OrlandoT> I'm going to run MACHINE=beaglebone ./oebb.sh bitbake systemd-image
  • [02:17:53] <OrlandoT> again to see if it generates it this time but I doubt it
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  • [02:19:19] <W1N9Zr0> http://pastebin.com/fYXrGa0u here's what mine with MACHINE=beagleboard comes out to
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  • [02:40:20] <OrlandoT> very different than mine
  • [02:40:58] <OrlandoT> it is doing it again we'll see what it endup doing this time
  • [02:41:23] <OrlandoT> oh gosh it says
  • [02:41:25] <OrlandoT> NOTE: Running task 199 of 3259
  • [02:41:34] <OrlandoT> it will be tomorrow when i get the results
  • [02:43:38] <W1N9Zr0> mine took about 5 hours on vmware on a core 2 quad
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  • [03:00:16] <OrlandoT> mine take 8 hours on my vm
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  • [03:34:33] <OrlandoT> the build just failed with
  • [03:34:35] <OrlandoT> | /usr/bin/ld: cannot find -lbz2
  • [03:34:35] <OrlandoT> | collect2: ld returned 1 exit status
  • [03:34:56] <OrlandoT> what is bz2 and how can i get it?
  • [03:41:27] <OrlandoT> is it bzip2? cause I already have it installed
  • [03:41:28] <OrlandoT> bzip2 is already the newest version.
  • [03:43:38] <W1N9Zr0> what os are you building on? ubuntu? you can use this to get all the packages OE requires http://mc1322x.devl.org/ubuntu.html
  • [03:43:45] <W1N9Zr0> the "apt-get'able Openembedded" part
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  • [03:47:15] <OrlandoT> yeah ubuntu
  • [03:48:27] <OrlandoT> i did sudo apt-get install openembedded-minimal
  • [03:48:34] <OrlandoT> but it could not find the package
  • [03:48:42] <W1N9Zr0> you need to add the repo
  • [03:49:46] <OrlandoT> I followed this instructions here to setup my host
  • [03:49:47] <OrlandoT> http://www.openembedded.org/wiki/OEandYourDistro
  • [03:49:54] <OrlandoT> did the debian stuff
  • [03:49:59] <OrlandoT> and the part for ubuntu
  • [03:51:42] <W1N9Zr0> add deb http://oss.leggewie.org/oe/deb ./ to your /etc/apt/sources.list
  • [03:51:55] <W1N9Zr0> then apt-get install openembedded-minimal
  • [03:52:22] <W1N9Zr0> and then apt-get install chrpath python-dev, and then it compiled for me
  • [03:54:22] <OrlandoT> already have chrpath and python-dev
  • [03:54:43] <OrlandoT> I will try your instructions tommorrow
  • [03:54:48] <OrlandoT> thank you
  • [03:54:59] <OrlandoT> I have to work tomorrow so it is time to sleep
  • [03:55:15] <OrlandoT> thank you W1N9Zr0 for your help
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  • [04:57:29] <sistlajr> hi ...can any one let me know how to allocate extra 128K mem at boot time
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  • [05:26:10] <mranostay> another drive by IRC!
  • [05:26:26] <mranostay> whoa a whole another 128k? :)
  • [05:27:26] <prpplague> mranostay: and on 12 other channels
  • [05:29:17] <mranostay> nice
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  • [05:42:09] <_av500_> for the record, that r-pi guy is an asshole
  • [05:43:20] <mranostay> _av500_: raspberry-pi i assume?
  • [05:43:37] <_av500_> yep
  • [05:44:00] <_av500_> "somebody is making a boatload of cash from the beagle and panda"
  • [05:44:03] <mranostay> heh a friend of mine said he was going to order one. i was trying to talk him into getting a real board :)
  • [05:44:20] <mranostay> _av500_: "give me money instead" :)
  • [05:44:33] <_av500_> "r-pi has the most advanced multimedia of all of them"
  • [05:44:43] <_av500_> it does not even play mpeg2....
  • [05:45:20] <_av500_> koen: please explain that ferrari, you 1% money monger!
  • [05:46:19] <mranostay> ew Broadcom chip
  • [05:46:22] <mranostay> eff that
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  • [05:48:19] <mranostay> "Yes. The GPU binary also contains the first stage bootloader." <-- not sure i follow that
  • [05:51:39] <mranostay> ah he works for Broadcom no wonder
  • [05:52:54] <_av500_> i dont hold that against him
  • [05:53:00] <_av500_> bb people work for ti
  • [05:53:15] <_av500_> but he should know prices
  • [05:53:34] <_av500_> and how expensive 8 layer with micro vias is
  • [05:53:48] <_av500_> which he does not need due to his ancient design
  • [05:54:58] <mranostay> ARM11 hehe
  • [05:57:33] <mranostay> _av500_: i'm betting you can't hand anything more than SD if you are decoding
  • [05:58:13] <prpplague> _av500_: hehe
  • [05:58:25] * mranostay runs maven and watchs it download the internet...
  • [06:00:31] <_av500_> it has a hw decoder for video
  • [06:00:37] <_av500_> like every chinese soc for years
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  • [06:06:17] <prpplague> _av500_: i avoided commenting on alison's post
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  • [06:17:57] <hitlin37> well,i guess,arm11 guy can't understand cortex a8 and a-9 feelings.
  • [06:18:21] <hitlin37> arm11 is soo old
  • [06:22:08] * userx- (~0x-@unaffiliated/userx-) Quit (Ping timeout: 240 seconds)
  • [06:23:08] <ds2> ARM11's w/o full power management is a total waste of silicon
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  • [06:29:03] <_av500_> hitlin37: he knows, but i guess he has to use what broadcom offers...
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  • [06:38:23] <hitlin37> it has no compitition with panda and beagle,when i got panda during the middle of last year,there was hardly any device out in the market on omap4.panda was deleivred way ahead of time,same was with beagle.
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  • [07:18:43] <koen> _av500_: the bom and pricing for beagle is public
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  • [07:24:03] <mranostay> he is awaken! :P
  • [07:24:07] * mranostay waves to koen
  • [07:24:22] <av500> koen: how is the ferrari?
  • [07:24:34] <av500> do you have a trailer hookup on it?
  • [07:26:18] <mranostay> av500: er? :)
  • [07:26:27] * zer4tul (~zer4tul@61.135.165.162) has joined #beagle
  • [07:29:17] <av500> "....I mean, $175 for a Pandaboard or $100 for a Beagleboard? Somebody???s got to be amassing a pile of cash there....."
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  • [07:45:35] <ds2> ~~
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  • [08:11:09] <LetoThe2nd> koen is piling money?
  • [08:11:50] <av500> yes
  • [08:11:56] <LetoThe2nd> cool.
  • [08:11:58] <av500> he is the 1%
  • [08:12:26] <av500> he had to leave TI because he was making sooo much money on the side
  • [08:12:26] <LetoThe2nd> koen: do you make funny buildings with the coins? like an eiffel tower of 1cents?
  • [08:13:58] <LetoThe2nd> whats the old rockstar saying: "i spent most of my money on drugs, alcohol, fast cars and beautiful women. i just wasted the rest."
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  • [08:41:57] * mranostay notes he probably should be sleeping now
  • [08:42:13] * mranostay protests at koen's flat
  • [08:42:17] * av500 only sleeps at his desk
  • [08:46:25] <LetoThe2nd> office mikado. but we've had smoke party yesterday :)
  • [08:46:25] <mranostay> damn startup work schedule :)
  • [08:46:46] <mranostay> wtf is a smoke party?
  • [08:46:49] <av500> mranostay: no, I strictly sleep 9 to 5 only
  • [08:50:38] <LetoThe2nd> mranostay: you power something, and then it smokes.
  • [08:51:01] <LetoThe2nd> one of our engineers had fun with tantal capacitors yesterday ;)
  • [08:51:48] <mranostay> ok not what i think of smoke
  • [08:51:52] * mranostay lives in CA :)
  • [08:52:23] <mranostay> not that i do anything like that of course :)
  • [08:52:37] <LetoThe2nd> not that i would care.
  • [08:53:20] * LetoThe2nd once visited a rock concert where one of the guitar players had replaced the marshall logo on his amp with a huge "thank you for POT smoking" sticker :)
  • [08:53:46] * mranostay scans the channel for his boss
  • [08:53:53] <mranostay> LetoThe2nd: heh
  • [08:54:47] <mranostay> av500: zoning out?
  • [08:55:56] <_av500_> nah
  • [08:56:13] <_av500_> i can type irc in my sleep
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  • [08:58:39] <LetoThe2nd> using the slirc client ;)
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  • [09:28:18] <av500> koen: "...We"re shipping F14 because it"s fairly well tested (the OLPC ARM release for the XO 1.75 is based on it) and it uses upstart rather than systemd (boots with a smaller footprint)...."
  • [09:29:08] <gloria_> how to see results in beaglebone
  • [09:30:26] <gloria_> how to see sum of two numbers from beaglebone on windows pc....
  • [09:31:55] <gloria_> av500 hav u got any idea?
  • [09:32:26] <av500> I have to admit I dont even understand what you are asking
  • [09:33:35] <gloria_> av...I am just asking how to read some register value and display it on PC from beaglebone
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  • [09:34:57] <LetoThe2nd> running what, using what tools... be precise.
  • [09:35:08] <gloria_> I am using CCS 5, adding two numbers in .C file the project is built and running..........but m not able to see result
  • [09:39:36] <gloria_> can u tell me, in which register of AM3359 result will be stored and how to read and display it on PC
  • [09:40:44] <LetoThe2nd> check your assembler source, it will tell you where its stored (i assume that when you talk about registers, you mean the gp registers of the cpu)
  • [09:40:47] <av500> register? are you programming in C or in assembly?
  • [09:41:20] <LetoThe2nd> av500: probably clicking funny singlestep buttons without knowing what they do ;)
  • [09:41:39] <LetoThe2nd> or just use printf.
  • [09:41:51] <koen> av500: LOL@upstart comment
  • [09:41:51] <gloria_> in C :)...OK tell me how to read 'c' = a+b.
  • [09:41:59] <gloria_> I know printf
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  • [09:42:51] <gloria_> but..........printf is used for standard output device...i.e. monitor of PC. how it will work on beaglebone
  • [09:43:03] <LetoThe2nd> gloria_: you are messing things up. either we talk about assembly, and registers - or about c. and if we are talking about c, stop moaning about registers.
  • [09:43:22] <LetoThe2nd> gloria_: as i said, use printf. you obvisouly don't know what it does ;)
  • [09:43:36] <LetoThe2nd> gloria_: have it print to the serial console.
  • [09:43:40] * koen is watching a presentation about syslog on youtube
  • [09:43:53] * koen wonders how we ended up in that situation
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  • [09:45:58] <LetoThe2nd> gloria_: don't get me wrong - i'm neither CCS user nor do i know anything about it. but i know that you can output by printf.
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  • [09:47:23] * LetoThe2nd tends to interpret that as "information overflow"
  • [09:49:25] <dsap> .
  • [09:51:28] <av500> koen: how we ended up with having unix information in youtube?
  • [09:51:56] <av500> LetoThe2nd: when using CCS, there is no console
  • [09:52:10] <av500> you have to jump thru hoops to get a printf
  • [09:52:12] * _tasslehoff_ (~Tasslehof@84.49.231.147) has joined #beagle
  • [09:52:33] <LetoThe2nd> av500: then there's always sprintf into some buffer you can watch.
  • [09:52:36] <av500> but then, who needs CCS to try c=a+b;
  • [09:52:44] <av500> LetoThe2nd: indeed
  • [09:53:22] * thweber (~thomas@81-89-104-214.blue.kundencontroller.de) has joined #beagle
  • [09:53:25] <LetoThe2nd> no idea anyways why one thinks that c = a + b has got something to do with registers.
  • [09:53:40] <av500> koen: I need a version of the internet that filter all r-pi content
  • [09:53:51] <LetoThe2nd> av500: have it replaced with nudes?
  • [09:53:53] <av500> I can stop lol'ing all day long
  • [09:54:04] <av500> LetoThe2nd: I'll send you the content
  • [09:54:06] * dsap (~dsap@athedsl-203504.home.otenet.gr) Quit (Remote host closed the connection)
  • [09:54:10] <LetoThe2nd> kind of reverse parental filtering ;)
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  • [09:55:34] <av500> "...omg there will be F14 only for the r-pi, what about *security*...."
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  • [10:08:35] <koen> av500: the r-pi news is getting annoying TBH
  • [10:11:52] <av500> you don't say :)
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  • [10:32:09] <koen> av500: I can bear hype, but all the "ARM11 is tech from the future!!!!one!!!" is just irritating
  • [10:33:15] <LetoThe2nd> koen: well the problem is that the numbers 8 or 9, as in cortex-aX are smaller than 11.
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  • [10:57:15] <AKF_WEC7_Devel> Any one here know how to work with i2c?
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  • [10:58:33] <LetoThe2nd> nope, but we've got massive experience with metaquestions ;)
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  • [10:59:12] <AKF_WEC7_Devel> I'm sure that's the case, I've got massive experience with meta-info :-)
  • [10:59:35] <AKF_WEC7_Devel> Sometimes google is really useless :-)
  • [11:00:06] <adj> setup muxing values correctly, enable i2c device in board file and for the rest see kernel documentation
  • [11:00:30] <adj> something like that, nothing special
  • [11:01:50] <AKF_WEC7_Devel> If it were linux.... But I'm having to use Windows Embedded Compact 7 where all of this is already configured and it's more a less a wild goose chase hunting down the values need to call whatever function is needed at the time.
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  • [11:02:39] <adj> good luck with that :)
  • [11:02:42] <AKF_WEC7_Devel> But that was exactly how I was able to access gpio and I had no big problems with spi
  • [11:02:53] <AKF_WEC7_Devel> but i2c is really kicking my a$$
  • [11:03:41] <AKF_WEC7_Devel> I heard that luck isn't part of but rather an enormous amount of masochism and high threshold for pain but it pays the bills ;-)
  • [11:04:24] <adj> what kind of issues are you having with i2c?
  • [11:06:57] <AKF_WEC7_Devel> I searched for OMAP_DEVICE_I2CX (where x is 1,2 or 3) from %WINCEROOT% all the way down through every and in every file but was unable to find the value for it and it's also not an environment variable. I have no idea what it could be or what it's value is and it's needed for the function Void* I2COpen(UINT devId). I've already tried some values but all I get back is zero and not a handle like I need.
  • [11:07:41] * av500 winces
  • [11:07:55] <av500> AKF_WEC7_Devel: you are most likely the only one with WINCE here
  • [11:08:06] <av500> but if you send us the code, we can have a look
  • [11:09:43] <AKF_WEC7_Devel> Yeah I know... My question is really about the identifier omap_device_i2c1. If isn't defined/declared in code and isn't set as an environment variable, then how can it be used in the code?
  • [11:10:25] * arti_t (~arti_t@122.166.11.13) has joined #beagle
  • [11:10:32] <AKF_WEC7_Devel> Because the examples I have in code of I2COpen being successfully called use this identifier.
  • [11:10:55] <av500> maybe its in a lib?
  • [11:11:13] <AKF_WEC7_Devel> That's a very good point
  • [11:12:24] <AKF_WEC7_Devel> I'll try searching through them as well. Thanks for the help.
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  • [11:22:15] <av500> bring it on: http://petenelson.co.uk/2012/03/why-the-raspberry-pi-will-save-the-uk/
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  • [11:28:19] <koen> av500: so r-pi is like devicetree!
  • [11:28:38] <av500> DT will also save the UK?
  • [11:28:53] <av500> we have to be carefull it not becoming an empire again
  • [11:28:57] * dm8tbr wonders when ElReg will start referring to it as the JesusBoard
  • [11:29:00] <koen> dt will save the world
  • [11:29:14] <av500> dm8tbr: lets start now
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  • [11:39:28] * _tasslehoff_ started the day by doing 'sudo rm -rf /etc/rc*.d/*' on his laptop, but is feeling better now.
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  • [11:44:30] <Gaxx> Hello. I'm using gdb on rev B4 beagleboard. As I'm trying to look up source code with list command, it only gives me path to a source file and line number i.e. "60 in ../src/filename.cpp". It's the same when I do the step command. It's extremely inconvenient. Is there any way to make it show sourcecode?
  • [11:46:09] <Gaxx> It uses Angstrom by the way
  • [11:48:36] <koen> with recent angstrom releases the -dbg packages include source as well
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  • [12:14:31] <Sachin_> I have just brought DEVKIT8000 beagle board, I am trying to learn Embdedd linux on it.
  • [12:15:16] <Sachin_> as i am new in this world. what basic programs should i try to get better hands on
  • [12:15:18] <mru> I'd start by learning to spell
  • [12:17:32] <koen> devkit8000 is not a beagleboard
  • [12:18:57] <Sachin_> oh sorry that i didnt know. but as much i know it has linux 2.6 ported with angstorm linux
  • [12:19:50] <koen> heh
  • [12:20:08] <koen> the devkit people never bothered to contribute back devkit8000 support to angstrom
  • [12:20:16] <quantumi> Sachin_: depends on what you want to do with it
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  • [12:21:04] <Sachin_> oh is it. but on [http://elinux.org/BeagleBoard#DevKit8000] it is saying that it is clone of beagle
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  • [12:22:39] <Sachin_> quantumi : Purpose of buying devkit is leaning embedded linux
  • [12:23:00] <Sachin_> according to that please suggest
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  • [12:23:49] <quantumi> well. are you interested in robotics? the I'd start by trying to interface it with a motor controller
  • [12:24:27] <quantumi> if it's mobile development that you're after I'd start by getting Android up and running
  • [12:24:59] <quantumi> otherwise, I'm not sure what you mean by learning embedded linux
  • [12:25:04] <Sachin_> Yes Really i was just browsing through ROS and http://www.hervanta.com/stuff/Beaglebot
  • [12:27:01] <quantumi> Sachin_: I only recently received my board where the plan was to create a guitar effect pedal, so my next steps is to get the kernel to echo audio at the lowest latency possible
  • [12:27:40] <Sachin_> Robotics or your project , those are big goals
  • [12:28:37] <Sachin_> but as i am new to this, i will start with first LED driver once i got folder file framework then will think of big project.
  • [12:29:21] <quantumi> ah yes blinking the leds could be a fun first task
  • [12:29:59] <Sachin_> tried that as well but understand what should be used for delay,
  • [12:30:25] <Sachin_> read HR TIMER and used it, once i start my module then board gets hang
  • [12:30:43] <Sachin_> with HR TIMER delay.
  • [12:31:07] <quantumi> I created a bash script and controlledthe leds via /sys/class/leds
  • [12:31:45] <quantumi> not sure if they're exposed through /sys on DEVKIT though, only tried with beaglebone
  • [12:33:07] <Sachin_> it is supported on devkit
  • [12:34:21] <Sachin_> my question i walked through provided led driver, but didnt understand that flow , it has created lot of structured and they are just pointing from here to there
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  • [13:00:00] <kurtisnelson> so I did a fresh build of the beaglebone OS. But I don't seem to have a fully working GCC toolchain.
  • [13:00:26] <av500> how else did it build then?
  • [13:01:05] <kurtisnelson> I mean on the board itself.
  • [13:01:34] <kurtisnelson> I'm trying to compile some wifi drivers and I'm missing as and stdlib amoung other things
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  • [13:02:13] <av500> you have to explicitly build the target toolchain
  • [13:02:26] <av500> or if you have net opkg install it
  • [13:02:45] <kurtisnelson> yeah, I've got net and working opkg.
  • [13:02:52] <kurtisnelson> I just can't seem to find the assembler
  • [13:03:38] <av500> opkg update
  • [13:03:54] <av500> opkg install task-native-sdk
  • [13:04:00] <av500> or so
  • [13:04:09] <kurtisnelson> that's what I was looking for
  • [13:05:24] <kurtisnelson> I'm guessing there is something I can do in bitbake to get that out of the box too?
  • [13:05:35] <av500> bitbake task-native-sdk
  • [13:05:37] <av500> ?
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  • [13:10:11] <kurtisnelson> so with bitbake to add stuff to the image, I just call bitbake multiple times and then systemd-image?
  • [13:11:55] <koen> no
  • [13:12:04] <koen> you need that list what you want in the image recipe
  • [13:20:13] <kurtisnelson> still appear to be missing fixdep now.
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  • [13:36:12] <kurtisnelson> I guess kernel-dev would be useful.
  • [13:39:26] <koen> djeez, yocto is turning out the be the ubuntu of openembedded
  • [13:39:52] <koen> it attracts people too stupid to google or run find -name "foo*"
  • [13:40:21] <jwinnebeck> oh what, Yocto? Ubuntu??? sounds great sign me up
  • [13:40:30] <av500> koen: do they also threaten people not to use "Yocto" unofficially?
  • [13:40:38] <jwinnebeck> I also love useless UIs
  • [13:40:59] <av500> jwinnebeck: yocto is useless even without a ui
  • [13:40:59] <koen> av500: sort of
  • [13:41:16] <jwinnebeck> ha
  • [13:41:27] <koen> av500: you can get a prompt answer to your questions if you include a "but <foo> is yocto" statement in the mail
  • [13:41:31] <jwinnebeck> Why are you guys such Ubuntu haters though? I didn't think Ubuntu was bad now?
  • [13:41:43] <koen> jwinnebeck: it jumped the shark a while ago
  • [13:41:50] <av500> jwinnebeck: i dont hate ubuntu
  • [13:41:50] <jwinnebeck> except for Unity... I can ignore that because I only use Ubuntu on server
  • [13:41:53] <koen> jwinnebeck: apart from being completely unsuited for embedded
  • [13:42:06] <jwinnebeck> oh well yeah... unsuited for embedded
  • [13:42:07] <av500> jwinnebeck: in fact I dont care about non-linux OSd
  • [13:42:10] <av500> OSs
  • [13:42:20] <jwinnebeck> but it hasn't become somehow bad for server now, has it?
  • [13:42:21] <panto> it is Lord Humongus, devourer of memory
  • [13:42:58] <panto> not to mention that it's impossible to build from scratch almost
  • [13:43:28] <jwinnebeck> I installed Ubuntu 12.04 on a virtualbox VM the other day, and virtualbox did not end up well at all. I have 64 bit guest and host on 8GB RAM system, gave 4GB of RAM to VM and virtualbox crashes with an "out of memory" error the first time, the second time it took out the host as well
  • [13:43:38] * guanucoluis (~luis@Host98-111.epectelco.com.ar) has joined #beagleboard
  • [13:44:08] <jwinnebeck> Actually the think that both impresses me the most and that I hate the most about Angstrom is that it builds everything from the ground up
  • [13:44:52] <jwinnebeck> it's awesome because it finally seems to fix a lot of our concerns about GPL software, it's not because sometimes it is 2 hours to compile hello world
  • [13:45:32] <xxiao> ???Yeah. It???s not entirely clear to me why the Beagleboard is so expensive. Somebody in that Beagleboard value chain has got to be making a pile of money ??? I mean, $175 for a Pandaboard or $100 for a Beagleboard? Somebody???s got to be amassing a pile of cash there, because that???s a $10 chip in that device. I don???t know why they???re so expensive."
  • [13:45:56] <ynezz> lol
  • [13:46:03] <jwinnebeck> Oh the beagleboard is just 1 chip now...
  • [13:46:07] <xxiao> i thought beagleboard was revolutionary considering other devkit was sold, say, $5000 a piece
  • [13:46:08] <jwinnebeck> OK </sarcasm>
  • [13:46:14] <jwinnebeck> Yeah it is
  • [13:46:36] <jwinnebeck> beagleboard, although I never bought one, was a major motivator for me to look into ARM
  • [13:46:46] <ynezz> xxiao: /join #rpi, there's something for 25 bucks
  • [13:47:04] <xxiao> ynezz: what's that? A10?
  • [13:47:14] <jwinnebeck> haha, no ARM11
  • [13:47:18] <ynezz> brm brm bcm!
  • [13:47:37] <jwinnebeck> yeah a broadcom ARM11
  • [13:47:44] <ynezz> arm11 on stereoids :p
  • [13:47:48] * raster (raster@enlightenment/developer/raster) Quit (Quit: Gettin' stinky!)
  • [13:47:58] <ynezz> are asteroids, depends on the POV
  • [13:48:04] <ynezz> s/are/or/
  • [13:48:12] <jwinnebeck> so it's 70% the speed of the beaglebone if you follow the paper specs
  • [13:48:17] <xxiao> ???In terms of general purpose computing, it???s got this 700MHz ARM11, and our benchmark shows it???s about 20 per cent slower than a Beagleboard for general purpose computing. But, you know, it???s a quarter of the price ??? somewhere between a sixth and a quarter of the price ??? so yeah, I expect that our first customers are going to be Beagleboard-type customers.???
  • [13:48:27] <jwinnebeck> since it's 1ghz I think they said but it's not superscalar like A8
  • [13:49:14] <jwinnebeck> oh, n/m it's a 700mhz core, so it's half the speed
  • [13:49:19] <av500> what is a BB type of customer?
  • [13:49:21] <jwinnebeck> "on paper"
  • [13:49:45] <koen> jwinnebeck: arm marketed the A8 as twice the performance per clock compared to arm11
  • [13:49:52] <xxiao> by all means, RPI looks like a good thin-client device
  • [13:49:53] <jwinnebeck> Yeah that's why I said "on paper"
  • [13:49:58] <jwinnebeck> 2 instructions per clock
  • [13:50:22] <jwinnebeck> so the bone is 1440 MIPS, the rpi is 700 (I thought it was ghz until just a second ago...)
  • [13:51:41] <jwinnebeck> what I don't know about the superscalar in A8 is how often it's able to do both instructions at once
  • [13:51:49] <koen> jwinnebeck: I'm going out on a limb, but the lack of NEON is why ARM11 sucks
  • [13:51:51] <jwinnebeck> so wouldn't 2x speed over ARM11 be the best-case theoretical?
  • [13:52:06] <av500> no
  • [13:52:25] <av500> or yes
  • [13:52:27] <av500> or maybe
  • [13:52:32] <jwinnebeck> Well, koen, supposedly I just heard that vfp on A8 sucks horribly, so if you do 32-bit float with NEON it's fast but in 64-bit vfp it's 10 cycles
  • [13:52:48] <jwinnebeck> But then I also heard it's something like 20+ cycles to do integer division, so I don't get it
  • [13:53:02] <jwinnebeck> it makes my head hurt so I just trust gcc and don't worry about premature optimization...
  • [13:53:21] <panto> jwinnebeck, heh trust in gcc is often fatal :)
  • [13:53:33] <jwinnebeck> It's not when you're not writing "tight loops"
  • [13:53:46] <koen> jwinnebeck: things like pixman, libjpeg-turbo, bluez and libav have neon optimizations
  • [13:53:52] <jwinnebeck> I have to forget about it to save my sanity
  • [13:54:13] <AKF_WEC7_Devel> I did a c++ flops test on A8 with vfp and got 43 MFLOPS don't know if that's good or not but that's what I got.
  • [13:54:22] <jwinnebeck> I was asking myself the other day, should I use float or double in one case, and I started reading about vfp and neon and my head spun
  • [13:54:31] <xxiao> RPI Broadcom Dual-Core VideoCore IV Media Co-Processor
  • [13:54:38] <koen> jwinnebeck: so for a simple "load picture in browser, scroll" it will be more than twice as fast as an arm11 with the same MHz
  • [13:55:02] <jwinnebeck> ya...
  • [13:55:32] <jwinnebeck> I knew that in Intel, floats can be "slower" than doubles, but realistically they are the same speed...
  • [13:55:38] <jwinnebeck> doesn't seem to be the case with cortex A8
  • [13:55:50] <jwinnebeck> although I haven't benchmarked it, just looking at paper
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  • [13:56:25] <koen> jwinnebeck: if someone sits down and integrates the media accel into xbmc the r-pi would make a half-decent media box
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  • [13:56:44] <koen> jwinnebeck: since xbmc rendering is completely in opengl
  • [13:57:07] <xxiao> any plan to run angstrom on rpi? ubuntu is not doing it, redhat is the only one doing some support on arm11
  • [13:57:28] <jwinnebeck> arm11 makes me want to barf
  • [13:57:42] <av500> xxiao: "run" as in take make?
  • [13:57:45] <av500> type
  • [13:57:59] <jwinnebeck> beaglebone (really sitara) is "it"... finally crosses the threshold of super cheap and super fast
  • [13:58:14] <jwinnebeck> cortex A8 system < $100 == win
  • [13:58:28] <xxiao> av500: i'd say support like BB, anyway i don't really care, i doon't need a rpi
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  • [13:58:57] <av500> xxiao: is it much more work than to add their kernel and set armv6?
  • [13:59:14] <av500> maybe yocto can jumo at it
  • [13:59:17] <av500> jump
  • [13:59:18] <av500> gah
  • [14:00:32] <koen> I asked the yocto people to drop they god awful beagleboard support and move to the pi
  • [14:00:47] <koen> but that upset the TI people on the yocto board
  • [14:01:33] <jwinnebeck> hmm the RPI doesn't sound very open
  • [14:01:40] <jwinnebeck> "To get the full SoC documentation you would need to sign an NDA with Broadcom"
  • [14:02:02] <koen> jwinnebeck: "who cares, it's $25?!?!?!"
  • [14:02:08] <jwinnebeck> "Will it fit in an Altoids tin?" -- "??it???s a little too big to fit the tin"
  • [14:02:13] <jwinnebeck> oh man I didn't realize that
  • [14:02:17] <jwinnebeck> that's #1 beaglebone feature
  • [14:02:31] <jwinnebeck> I thought the RPI was smaller than bone by a bit
  • [14:02:52] <xxiao> jwinnebeck: exactly, where there is broadcom, i run away
  • [14:03:04] <jwinnebeck> One thing that's nice is that it has HDMI
  • [14:03:59] <jwinnebeck> But for what I'm using bone for, I don't need a display (or want one)
  • [14:04:18] <av500> jwinnebeck: of course it has HDMI, it' a *computer*
  • [14:04:28] <av500> a *computer*
  • [14:04:31] <jwinnebeck> although I still dream of having an HDMI system, maybe android, on my TV, maybe with panda or beagleboard
  • [14:04:32] <av500> drum roll
  • [14:04:33] <xxiao> there are quite some arm9/arm11 with good codec support
  • [14:04:49] <av500> jwinnebeck: we are stting up a panda here as a upnp renderer
  • [14:05:09] <jwinnebeck> upnp "renderer" that is new to me what does that mean?
  • [14:05:22] <av500> upnp has server, controller and renderer
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  • [14:05:42] <av500> server holds the data, controller browses data and controlls renderer to render the data
  • [14:05:57] <jwinnebeck> Is this the same as DLNA?
  • [14:05:58] <av500> server = nas box, controller = android app, renderer = panda
  • [14:05:58] <rsv> hi, is it possible to boot out of usb drive on beagle
  • [14:06:06] <av500> jwinnebeck: DLNA is a trademark
  • [14:06:17] <jwinnebeck> where it sends data but the end device decodes it?
  • [14:06:19] <av500> so we already owe somebody money :)
  • [14:06:23] <jwinnebeck> haha
  • [14:06:50] <jwinnebeck> So UPnP AV is a "competitor" of DLNA, or are they the same thing with two different terms
  • [14:06:54] <av500> upnp has "universal" in its name, so its useless
  • [14:07:15] <av500> so dlna "standardises" upnp, by e.g. demanding mpeg2 in TS support and ignoring MKV
  • [14:07:19] * thurbad (~natesewel@cpe-70-124-80-154.austin.res.rr.com) Quit (Quit: thurbad)
  • [14:07:35] <jwinnebeck> OK... so they are related
  • [14:07:39] <av500> yes
  • [14:07:48] <av500> DLNA takes the U out of UPNP
  • [14:07:52] <jwinnebeck> I tried DLNA with my TV/bluray player and was extremely dissapointed
  • [14:08:00] <av500> yes, thats the one
  • [14:08:25] <jwinnebeck> I thought that the DLNA would be my nice "solution" to the problem of wanting to play music in the living room
  • [14:08:39] <jwinnebeck> well music and show slideshows of vacation photos on TV for guests
  • [14:08:39] <av500> oh, it can be
  • [14:08:46] <jwinnebeck> it was pretty much useless
  • [14:08:48] <av500> as long as all the 3 parts play together nicely
  • [14:09:07] <jwinnebeck> well it "worked". It worked like how I could "browse the web" on my Windows CE device 6 years ago
  • [14:09:12] <av500> yes
  • [14:09:26] <av500> and then there is appl with airplay that does not care for a standard and just makes it work
  • [14:09:42] <jwinnebeck> first it took like 5-10 seconds for it to render the JPEG image, and it couldn't start rendering the next image while displaying the current
  • [14:09:47] <jwinnebeck> so it was horribly slow
  • [14:09:59] <av500> jwinnebeck: yes, "smart" TVs tend to be like that
  • [14:10:05] <jwinnebeck> and getting to actually to do anything besides play ONE music file or ONE jpeg was a pain
  • [14:10:17] <SilicaGel> damn, TI confirms, no way to route a DMTIMER into the PRU. Rats.
  • [14:10:26] <jwinnebeck> Well I didn't buy a smart TV because I don't believe in that, but my bluray player was "smart"
  • [14:10:35] <jwinnebeck> mostly because they are all "smart" now
  • [14:10:56] <jwinnebeck> The smart TV thing... I bought an HDTV last year, it was like $400 to "upgrade" to a smart TV
  • [14:11:06] <jwinnebeck> I'm thinking a TV might last 10 years
  • [14:11:07] <av500> spare the money
  • [14:11:11] <av500> exactly
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  • [14:11:17] <av500> tv is dumb display
  • [14:11:18] <jwinnebeck> I can buy a COMPUTER for <$400
  • [14:11:19] <av500> is a
  • [14:11:26] <jwinnebeck> hook it up and upgrade it every year or whatever
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  • [14:11:42] <jwinnebeck> I don't want a 10 year old *shitty* computer built *into* the TV for $400....
  • [14:12:20] <jwinnebeck> So there is this thing like the android HDMI dongle thing, that makes a lot more sense because you can upgrade it and it's also way cheaper, and small enough to be hidden
  • [14:13:14] <jwinnebeck> and when it's obsolete in 2 years when Cortex B5000 comes out with 3ghz oct-core for $2.50, because that's how TI rolls, you can replace it
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  • [14:13:30] <jwinnebeck> the power for cost in these ARM chips is staggering... and climbing very fast
  • [14:13:42] <av500> exactly
  • [14:13:51] <av500> so buy the dumbest tv you can find
  • [14:14:08] <jwinnebeck> yeah that's what I did, I bought the top of the line dumb TV for I think $800 for 46 inch
  • [14:14:48] <jwinnebeck> the same size with "smart" and "LED" was like $1800 because LED was somehow "so friggin cool" at the time... the picture is the same the only point to LED is to save a little power, and you don't save $500 in electricty!
  • [14:14:57] <etheretic3> http://www.alwaysinnovating.com/home/index.htm
  • [14:15:13] <jwinnebeck> yeah that's the HDMI dongle I was seeing
  • [14:15:58] <jwinnebeck> wow it's $50-$99 expected MSRP with 1-1.5ghz A9 in it!
  • [14:16:12] <jwinnebeck> and dual core
  • [14:16:23] <jwinnebeck> and wifi
  • [14:16:25] <jwinnebeck> that's insane
  • [14:16:32] <etheretic3> tv is for twits anyway.
  • [14:16:45] <jwinnebeck> well that is true, I could get rid of TV, but for my wife
  • [14:17:04] * etheretic3 tsks
  • [14:17:38] * etheretic3 is now known as etheretic
  • [14:17:40] <jwinnebeck> But for some reason she thinks that Kitchen Nightmares > staring at code in IDE
  • [14:17:42] <jwinnebeck> I don't know why
  • [14:18:25] <jwinnebeck> actually, I like that show anyway, so I can't say anything bad about it
  • [14:18:34] <xxiao> the lorax is a good movie for those with kids
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  • [14:19:01] * etheretic hasn't had a boob tube for over 10 years.
  • [14:20:00] <etheretic> the idea to watch something an editor has chosen to send before i watch it is repulsive.
  • [14:21:00] <etheretic> no coincidence it's called "programming".
  • [14:21:11] * av500 finds it tedious to watch unedited stuff
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  • [14:21:38] <etheretic> av500: there's the internet... :D
  • [14:21:44] <av500> ?
  • [14:22:20] <jwinnebeck> Yeah I don't know if I agree with the editing part...
  • [14:22:43] <jwinnebeck> obviously you want a cut and edited show, you don't want to watch 8 hours of grips having lunch and all that
  • [14:23:07] <av500> jwinnebeck: no, all these directors with their huge paychecks are overrated
  • [14:23:10] <etheretic> av500: it's like bill hicks/beaches - "i prefer to stay at home listening to music *i* like."
  • [14:23:38] <av500> still you have to find that music
  • [14:23:51] <av500> or you buy all newly released CDs
  • [14:23:54] <etheretic> progarchives.org
  • [14:24:51] <av500> 404
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  • [14:25:58] <etheretic> er, .com
  • [14:26:38] <av500> looks "edited"
  • [14:26:46] * guanucoluis (~luis@Host98-111.epectelco.com.ar) Quit (Ping timeout: 276 seconds)
  • [14:26:47] <mru> a well-made film is a work of art
  • [14:26:54] <mru> emphasis on well
  • [14:27:04] <av500> made in a well?
  • [14:29:49] <mru> if that's what it takes
  • [14:30:05] <av500> http://www.imdb.com/title/tt0097303/
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  • [14:36:11] * mranostay awakens
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  • [14:39:21] <av500> mranostay: gm
  • [14:39:31] <av500> well rested?
  • [14:40:20] <mranostay> so so
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  • [14:59:53] <wmat> mru: did you see my pm?
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  • [15:14:03] <Gaxx> Hello. As I connect Jlink to my BB, it sets reset pin to 1. Is there a way to fix it? Also, supply voltage is always to low.
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  • [15:18:05] <av500> Gaxx: why not ask the jlink people?
  • [15:19:47] <mranostay> av500: too logic
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  • [15:28:43] <_tasslehoff_> Setting the STOPON_PWRON bit in u-boot causes my board to behave weird after an 8-second reboot. The board resets (x-loader starts again) 4-5 times before it boots normally. On regular reboot/poweron all is normal.
  • [15:31:15] * davest (~dcstewar@134.134.139.72) Quit (Ping timeout: 260 seconds)
  • [15:32:01] <av500> then dont set it?
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  • [15:37:52] <_tasslehoff_> av500: I kinda want to, since we want to use that button for recovering from <insert-f*ckup-here>
  • [15:43:27] <_tasslehoff_> hmm. item 23 in the tps silicon errata seems to explain it.
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  • [16:15:48] <_tasslehoff_> yep. for reference in case someone ends up in these irclogs when researching: after doing an 8-second PWRON restart, one must wait 8 additional seconds before setting the PWRON bit again, or the device will poweroff/restart. Workaround: None (except waiting 8 seconds).
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  • [16:16:14] <wmat> koen: you switched to reading mailing lists online, correct? I've been trying for a number of months now, but am about ready to resubscribe to some. I'm just too lazy to go to webpages, such as the Beagle's Google Group. Just lazy, I guess.
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  • [16:18:26] <mru> wmat: gmane's nntp interface is a great way to read mailing lists
  • [16:19:01] <wmat> mru: I should try that. It appeals more to my innate laziness.
  • [16:19:17] * av500 looks at the >1mio unread on his nntp lkml entry :)
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  • [16:34:34] <jwinnebeck> Did the USB issues on the beaglebone get fixed? I was surprised to see that USB appears to be fully working on my bone now, so I am happy. I haven't tested it in awhile
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  • [16:40:46] <koen> wmat: I use nntp via gmane
  • [16:41:01] <koen> wmat: it works, as long as you don't switch computers a lot :)
  • [16:41:18] <SilicaGel> Holy Crap, do you think the geniuses in india fixed the USB re-enumeration problem?!!? Yay!!
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  • [16:41:50] <jwinnebeck> I guess so, I can't find anything online about the bug or the fix, except for one page about building gentoo that said to hack it with echo F > /proc/driver/musb_hdrc.1
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  • [16:42:00] <jwinnebeck> I was about to try that hack but figured I should test my bone first, and it is working
  • [16:42:12] <jwinnebeck> so this new kernel 3.2 must have fixed it
  • [16:42:38] <SilicaGel> Well
  • [16:42:42] <jwinnebeck> The only change to our kernel is the PRU clock fix, that can't have anything to do with it SilicaGel, can it?
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  • [16:42:50] <jwinnebeck> since the clocks are in a tree
  • [16:42:51] <SilicaGel> Like Ferris Bueller said, Life moves pretty fast. If you don't stop and look around once in a while, you could miss it.
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  • [16:43:04] <SilicaGel> nope that wouldn't
  • [16:43:20] <koen> SilicaGel: 3.2 fixed the usb replug issue, yes
  • [16:43:26] <SilicaGel> YAY!
  • [16:43:27] <jwinnebeck> yeah I am so happy
  • [16:43:28] <SilicaGel> :D :D :D
  • [16:44:02] <jwinnebeck> Now we can safely use the USB port on our project
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  • [16:44:56] <koen> jwinnebeck: I wouldn't go that far
  • [16:45:03] <koen> jwinnebeck: the driver still sucks ass
  • [16:45:12] <jwinnebeck> oh, in what way does it suck
  • [16:45:34] <koen> dma issues
  • [16:45:42] <koen> issues when dma is disabled
  • [16:45:46] <koen> ISO issues
  • [16:45:51] <jwinnebeck> that's vague... what is the impact of it? it doesn't work or it's just slow?
  • [16:46:04] <koen> locking issues because there are 2 musb controllers, the driver was written for a single one
  • [16:46:23] <SilicaGel> i don't think even these DAQ devices use isochronous mode
  • [16:46:26] <SilicaGel> though they'd benefit from it.
  • [16:47:00] <panto> USB sucks, film at 11
  • [16:47:22] <av500> [+1]
  • [16:47:29] <SilicaGel> you know, it used to be "film at 12" but TI made everybody sign a non disclosure
  • [16:47:32] <koen> if only we knew people who worked at mentor graphics, so we can ask them about that MUSB IP block....
  • [16:47:35] <abeaverslayer> Does anyone have experience with using musb as a device?
  • [16:47:47] <av500> SilicaGel: no it was 10 and then daylight saving came
  • [16:47:53] <SilicaGel> haha
  • [16:47:54] <panto> koen, I think they're all shit-canned by now
  • [16:48:06] <av500> shit-caned?
  • [16:48:17] <SilicaGel> what does mentor graphics have to do with this
  • [16:48:27] <av500> SilicaGel: they oversold TI
  • [16:48:40] <av500> promised TI a working usb
  • [16:48:48] <jwinnebeck> hardware or software?
  • [16:48:52] <SilicaGel> av500: yes. They whack them with long bludgeoning devices made out of poop. Shit caning.
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  • [16:48:59] <koen> SilicaGel: MUSB == mentor usb
  • [16:49:08] <av500> jwinnebeck: hw, the sw is simple, right?
  • [16:49:09] <koen> SilicaGel: it's not TI IP :)
  • [16:49:42] <jwinnebeck> av500: well the SW is apparently not simple enough if there are plugging issues and DMA and ISO issues... unless the DMA/ISO is in reference to the hardware part
  • [16:49:59] <av500> jwinnebeck: sorry, forgot the ":)"
  • [16:50:03] <jwinnebeck> oh
  • [16:50:14] <SilicaGel> why would TI buy a USB controller from Mentor? That sounds really weird to me
  • [16:50:22] <av500> also </sarcasm"
  • [16:50:25] <av500> also </sarcasm>
  • [16:50:36] <av500> SilicaGel: why would they make their own?
  • [16:50:42] <av500> its not a core competency
  • [16:50:46] <av500> they make DSPs
  • [16:50:49] <av500> thats what counts!
  • [16:50:52] <jwinnebeck> I would think TI would have a USB chip by now...
  • [16:51:00] <panto> SilicaGel, why would that kid stick his hand in the electrical outlet...
  • [16:51:01] <SilicaGel> or pick one that doesn't suck
  • [16:51:04] <Tartarus> koen: Have you tried a UBI/UBIFS image on beagle on a recent kernel?
  • [16:51:10] <koen> Tartarus: nope
  • [16:51:13] <Tartarus> k
  • [16:51:19] <koen> Tartarus: 3.0.x is the most recent thing I tried
  • [16:52:10] <jwinnebeck> I heard that the SD/MMC slot is still "sucking" as well on the bone, is that why I/O seems so slow, or is it because of the Kingston card that came with it
  • [16:52:13] <Tartarus> OE and TI docs differ and my quick pass at using the OE docs by hand gave me problems
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  • [16:52:51] <koen> Tartarus: I've been using the OE way for ages, but you know that
  • [16:53:00] <koen> Tartarus: since you fixed the bugs in my implementation :)
  • [16:53:03] <Tartarus> Yes, and it even worked for me ages ago :)
  • [16:53:21] <koen> we seem to have this conversation every 3 months or so
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  • [16:54:14] <Tartarus> Yeah, and now I'm back at actually using the image this time around
  • [16:54:19] <Tartarus> might even make further progress
  • [16:55:52] <Tartarus> Of course, maybe i'm getting the layout wrong too, damned things...
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  • [17:00:04] <Tartarus> OK, yeah, user error :) OE instructions work as expected
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  • [17:07:56] <b52> haha, didn think that an actuall channel existed :D
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  • [18:20:50] <kkeller> jkridner: ping - you there?
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  • [18:24:18] <spow> Hi, i've been looking at the gpio.txt file to clarify GPIO interrupts, but I don't understand the end of this sentence :
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  • [18:24:35] <spow> Write these strings to select the signal edge(s) that will make poll(2) on the "value" file return.
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  • [18:25:02] <spow> they will make poll(2) do what exactly ?
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  • [18:28:07] <kkeller> spow maybe this will help you: https://www.ridgerun.com/developer/wiki/index.php/How_to_use_GPIO_signals
  • [18:28:36] <SilicaGel> YAY, PRU internal eCAP works
  • [18:28:44] <SilicaGel> Not that there was really much doubt. The doubt was 'can i figure out how to make it work'
  • [18:28:48] * dwery pats SilicaGel
  • [18:28:55] <dwery> twice.
  • [18:28:56] <SilicaGel> This means: I have a clock!
  • [18:29:31] <SilicaGel> Next question is: is it worth routing that eCAP interrupt to HOST1 as an event? Or just poll its status over the PRUSS internal mux32
  • [18:29:48] * dormant (~dormant@d54C0F66F.access.telenet.be) Quit (Quit: dormant)
  • [18:30:41] <dwery> HOST1 is.. ?
  • [18:30:44] <spow> kkeller: thanks, i'll ignore gpio.txt altogether and refer to the direct user-space solution :)
  • [18:31:07] <SilicaGel> dwery: there's a whole wacky interrupt to channel to HOST mapping (2 mappings) in the PRU
  • [18:31:13] <dwery> ok
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  • [18:31:37] <SilicaGel> dwery: the picture explains it better than words, http://processors.wiki.ti.com/index.php/PRU_Interrupt_Controller#Interrupt_Mapping
  • [18:32:09] <SilicaGel> If you map an interrupt to a channel that is mapped to a HOST that's either HOST0 or HOST1, then that "event" is visible right in R31
  • [18:32:16] <SilicaGel> meaning the PRU can check the status of that event very efficiently
  • [18:32:25] <dwery> ok, interesting
  • [18:32:28] <dwery> yes, I'd map it
  • [18:32:54] <SilicaGel> the problem is the two host interrupts are a finite resource
  • [18:33:19] <dwery> but HOST0 and HOST1 cannot interrupt the ARM core, right?
  • [18:33:24] <SilicaGel> correct
  • [18:33:32] <dwery> uhm..
  • [18:33:36] <SilicaGel> 2 through 9 are for mapping to PRU interrupts visible to the MPU
  • [18:33:43] <SilicaGel> This is confusing as F**K I know haha
  • [18:33:47] <SilicaGel> but I think I understand it
  • [18:33:55] <dwery> and HOST0 and HOST1 can take multiple sources
  • [18:34:05] <SilicaGel> RIGHT
  • [18:34:17] <SilicaGel> but if there are multipel sources, then taht means that after you get the event, you have to poll around to figure out which one caused it
  • [18:34:35] <dwery> i think that both options are usefult and interesting
  • [18:34:48] <dwery> sometimes I might want the CPU to react
  • [18:35:37] <SilicaGel> Yeah. So far all I have done in having the PRU interrupt the MPU is to send an event
  • [18:35:46] <SilicaGel> for some reason I don't understand, it's event 19+16
  • [18:35:52] <SilicaGel> I'm tryin to figure out our mapping now
  • [18:36:13] <SilicaGel> ok I see why now.
  • [18:36:22] <SilicaGel> PRUSS1_EVTOUT0 is the CPU's IRQ20
  • [18:40:32] <dwery> an SPI master in the PRU shouldn't be hard to do...
  • [18:40:43] <SilicaGel> once you have a clock, I agree!!!
  • [18:41:16] <SilicaGel> yeah
  • [18:41:25] <SilicaGel> those bits will be so banged by the time I'm done with them they won't even look like bits any more
  • [18:41:32] <SilicaGel> I'll bang those bits, and they'll stay banged
  • [18:41:43] <dwery> :D
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  • [19:31:40] <SilicaGel> A Nebraska woman has sold a three-year-old McDonald???s Chicken McNugget that resembles President George Washington for $8,100 on eBay. <-- we're in the wrong business
  • [19:31:46] <SilicaGel> we should be making chicken mcnuggets shaped like famous things
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  • [19:36:26] <dwery> I want to know the one who bought it...
  • [19:36:45] * mru goes off to design a che guevara bone cape
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  • [19:44:00] <SilicaGel> mru: is that a kind of chicken mcnugget?
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  • [19:48:32] <mru> most cpus actually have chicken bits
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  • [19:55:39] <viridari> it doesn't
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  • [20:00:44] <thurbad> probably more chicken bits than actual nuggets have :P
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  • [20:36:33] <toofar> Does anyone know if it's possible to exit secure mode via JTAG on a cortex-a8?
  • [20:36:54] <dwery> you'll need gptimer12 for that...
  • [20:37:04] * dwery could not resist.
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  • [20:43:05] <AJ__> Hello Beagle Team
  • [20:44:20] <mranostay> we are a team?
  • [20:44:23] <AJ__> Can Anybody have any idea of Angstrom OE ?
  • [20:44:35] <mranostay> perhaps
  • [20:44:50] * virals (~viral@122.178.216.31) has joined #beagle
  • [20:45:46] <AJ__> Can anybody tell me how much it will take to build Angstrom OE?
  • [20:47:38] <mranostay> read the manual?
  • [20:48:24] <koen> what is "Angstrom OE"?
  • [20:48:31] <koen> I only know "Angstrom"
  • [20:48:34] <koen> or "OE"
  • [20:48:49] * koen checks http://www.angstrom-distribution.org/
  • [20:49:01] <koen> "Our name is ??ngstr??m, not OpenEmbedded ??ngstr??m"
  • [20:49:11] <koen> maybe that needs some more permutations for people to get the point
  • [20:49:35] * mranostay knows how to annoy koen at the next conference
  • [20:49:38] <mranostay> :)
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  • [20:55:48] <sakoman_> mranostay: if you really want to annoy him call it OE Armstrong
  • [20:56:20] <mranostay> hehe i think he would punch me
  • [20:56:43] <mru> armstrong is my favourite
  • [20:58:00] <AJ__> guys sorry for that
  • [20:58:27] <sakoman_> AJ__: you don't need to apologize!
  • [20:58:28] <mru> no need to apologise for providing entertainment
  • [20:58:46] <sakoman_> you had no idea you were pushing a hot button
  • [20:59:17] <mru> so I'm going to the arm office tomorrow, do I get a free beer if I wear an intel t-shirt?
  • [20:59:24] <mdp> SilicaGel: that's like arguing that TI should make their own SoC interconnect instead of the ones they purchase and integrate
  • [20:59:43] <SilicaGel> Holy Crap!
  • [20:59:49] <SilicaGel> They didn't make that themselves, either?!?!
  • [21:00:02] <mru> nope
  • [21:00:14] <SilicaGel> What a bunch of slackers!
  • [21:00:16] <jay6981> sonicmx
  • [21:00:17] <mru> they even tell you who made it
  • [21:00:51] <AJ__> I want to know about Getting Started With C6Run On Beagleboard
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  • [21:02:31] <thurbad> angst-rom :P
  • [21:02:37] <mru> indeed
  • [21:02:52] * nemik_ is now known as nemik
  • [21:03:28] <Russ> AJ__, have you checked out the processors.wiki.ti.com pages?
  • [21:03:31] <Russ> like this one
  • [21:03:33] <Russ> mythtv-theme-childish
  • [21:03:34] <Russ> er
  • [21:03:53] <Russ> processors.wiki.ti.com/index.php/C6Run_FAQ
  • [21:04:04] <mru> be careful with that paste button
  • [21:04:21] <Russ> its the line ending within the paste that really gets you
  • [21:04:39] <AJ__> Russ , yes I did
  • [21:04:55] <AJ__> But I have few questions
  • [21:05:00] <Russ> ok
  • [21:05:53] <AJ__> I have working Angstrom sd card,
  • [21:07:04] <AJ__> I want to use DSP for Image processing task..I am planning to use C6Run for that..How much time need to Build Base Image for Beagleboard?
  • [21:07:19] <AJ__> It says >24 hours in tutorial
  • [21:07:29] <jkridner> sounds right.
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  • [21:08:18] <AJ__> also how about the space ? I read in one forum near about 20 GB space required for that..IS it rrue?
  • [21:08:22] <AJ__> true?
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  • [21:08:31] <Tartarus> yes
  • [21:08:43] <AJ__> okay..
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  • [21:10:06] <thurbad> 24 hours is a bit high, depending on your build system
  • [21:10:43] <AJ__> okay.. sounds good
  • [21:11:36] <AJ__> so building dsplink and codec engine (CE) is next step after Setting up OpenEmbedded ?
  • [21:12:27] <thurbad> I think you have to get the CE binary from TI, don't you
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  • [21:13:36] <TheBurrito> anyone used the rotary encoder drivers before and know a good resource for getting the driver setup in the board file? I have two quadrature encoders I'd like to setup, but I'm not sure how to fill in with more than 1.
  • [21:14:11] * openTest (cf430dcb@gateway/web/freenode/ip.207.67.13.203) Quit (Ping timeout: 245 seconds)
  • [21:14:34] <AJ__> thurbad, I am not sure about that..But Angstrom has dsplink and CE already
  • [21:15:39] <thurbad> yes, butI don't think you can get source for CE
  • [21:17:09] <AJ__> you mean I need to download C6000 Code Generation Tool , right/
  • [21:17:46] <AJ__> ?
  • [21:28:35] <AJ__> Thaks for help..
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  • [21:46:08] <SilicaGel> hm eCAP clock is going twice as fast as I thin it should be
  • [21:46:45] <SilicaGel> the eCAP internal to the PRUSS should be running off of CORE_CLKOUTM4
  • [21:46:49] <SilicaGel> seems to not be the case
  • [21:48:08] <SilicaGel> I wonder if it's actually being clocked by L3LS_GCLK even though it's internal to the PRUSS
  • [21:49:27] <SilicaGel> got to go, more on this later
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  • [21:58:21] <snowrichard> hi
  • [21:58:52] <snowrichard> i'm on my new internet service, but it won't let me connect directly to freenode, it says I need to use SASL authentication
  • [21:59:24] <snowrichard> but the web gateway works fine so i'll use that
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  • [22:01:39] <snowrichard> offtopic i am engaged, planning wedding next year
  • [22:01:46] <dwery> SilicaGel: twice as fat? We shall bang and shift those bits!
  • [22:01:56] <dwery> fast*\
  • [22:02:40] <jay6981> snowrichard: i get that too when I try to connect from my verizon hotspot
  • [22:02:55] <snowrichard> its sprint network
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  • [22:03:18] <thurbad> wireless?
  • [22:03:34] <snowrichard> yeah 3g hotspot, novatel 2200
  • [22:04:09] <thurbad> figures I think att blocks irc on my android
  • [22:04:11] <snowrichard> its the size of a credit card, about 1/8 inch thick
  • [22:04:52] <snowrichard> so i could almost put it in my wallet lol
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  • [22:05:34] <snowrichard> page load from google mail from one page to next is about a second
  • [22:05:47] <snowrichard> it was taking 5 on the satellite
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  • [22:06:51] <snowrichard> i have the sprint hotspot and can also use tethering on the android
  • [22:07:01] * BlInK311 (~BlInK311@ool-435317d6.dyn.optonline.net) Quit (Quit: Leaving)
  • [22:07:16] <snowrichard> so 2.5 + 4.0 GB / month at full speed
  • [22:07:42] * dENNES (~Adium@port375.ds1-hr.adsl.cybercity.dk) Quit (Quit: Leaving.)
  • [22:08:30] <snowrichard> slows to 256kbps if i go over the 2.5 on the sprint
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  • [22:10:49] <mranostay> snowrichard: live in the boonies?
  • [22:11:27] <snowrichard> just out side the range of cable (500 ft from road) out of range for dsl 17,200 cable feet or so l
  • [22:11:38] * davest (DCSTEWAR@nat/intel/x-gtuzdkkefugryjjf) has joined #beagleboard
  • [22:12:26] <snowrichard> so i've terminated this satellite service with hughesnet
  • [22:13:00] <snowrichard> it will be on till 22nd or i ship the modem and antenna back
  • [22:15:19] <snowrichard> getting coffee brb
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  • [22:24:52] <mario_> hello, can some one help me with debain and beagle bone?
  • [22:26:22] <mranostay> why would you want to reverse a bain?
  • [22:27:14] * davest (DCSTEWAR@nat/intel/x-gtuzdkkefugryjjf) Quit (Ping timeout: 245 seconds)
  • [22:28:09] <mario_> hello, can some one help me with debain and beagle bone?
  • [22:28:37] <mranostay> yes repeat yourself why don't ya
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  • [22:29:04] <mario_> reverse a bain?
  • [22:29:22] <mario_> I dont get it
  • [22:30:20] * brijesh_ (~bksingh@nat/ti/x-rwytmabcxgiocurn) Quit ()
  • [22:30:27] * mranostay turns off troll mode
  • [22:30:37] <mranostay> just ask your question why don't ya
  • [22:30:57] <mario_> I see
  • [22:31:32] <mario_> i instaled debian on beagle bone folowing thins instructions
  • [22:31:34] <mario_> http://elinux.org/BeagleBoardDebian
  • [22:32:00] <Tartarus> OK
  • [22:32:00] <mario_> but im left with a no bootable system and no kernel
  • [22:32:01] <Tartarus> and?
  • [22:32:34] <Tartarus> Well, what does your failure look like? Use pastebin :)
  • [22:33:26] * rcf (~rcf@48.41-243-81.adsl-dyn.isp.belgacom.be) Quit (Quit: This war is mine)
  • [22:33:42] <mario_> there is no falure, the istalation finish sucsesfuly but as said in the instructions im left with a no buteble system and no kernel
  • [22:34:03] <mario_> how can I instal the kernel after the debian instlation
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  • [22:37:42] <mario_> sso?
  • [22:39:13] <mario_> can some one help?
  • [22:40:55] <Tartarus> Well, when you try and start the system
  • [22:40:57] <Tartarus> What happens
  • [22:41:20] <Tartarus> Or are you saying you didn't install u-boot and MLO and a kernel onto your SD card, from other instructions?
  • [22:41:25] * alan_o (~alan@c-68-62-240-236.hsd1.fl.comcast.net) Quit (Ping timeout: 276 seconds)
  • [22:43:34] <mario_> yes I did
  • [22:43:36] <mario_> but
  • [22:43:46] <mario_> after
  • [22:43:57] <mario_> the debian instalation that iis
  • [22:43:58] <mario_> lost
  • [22:44:17] <mario_> cpould it bee because I choose entire disk when partitioning?
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  • [22:46:12] <mranostay> mario_: you did this on a SD card right :)
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  • [22:48:43] <jashank> G'day.
  • [22:49:11] <jashank> I'm working on a project which needs a high-speed (>50 MS/sec) ADC.
  • [22:49:22] <jashank> I'd also like to use a BeagleBoard.
  • [22:50:10] <jashank> The best technique I've seen to attach an ADC to a BeagleBoard (or rather, a BeagleBoard-xM) is i2c, which is severely underpowered for what I want.
  • [22:50:25] <jashank> Any suggestions for how I could achieve that?
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  • [22:52:38] <mranostay> jashank: what are you interfacing to the ADC?
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  • [22:54:52] <jashank> mranostay: A 400 MHz receiver, then a 0.5dB NF LNA, then an antenna.
  • [22:55:33] <jashank> I'd like to try building a software-defined receiver, but if I can't get the ADC sampling fast enough, I'll have to stick with hardware receivers.
  • [22:56:17] <dwery> jashank: i2C is too slow, I'd try SPI
  • [22:56:41] <dwery> but I'm not sure it's fast enough.
  • [22:57:00] * stevenm (~smagee@nat/ti/x-jhejeilfmkivvdnu) Quit (Quit: Leaving)
  • [22:57:33] <dwery> the other option is to write code for the PRUSS
  • [22:58:14] <jashank> SPI maxes out at 70MHz.
  • [22:58:37] <jashank> dwery: What's a PRUSS?
  • [22:59:34] <jashank> Ah, a Programmable Realtime Unit Subsystem.
  • [23:00:49] <jashank> One comment I saw suggested using uPP, but I don't think the OMAP3530 supports uPP.
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  • [23:04:30] <dwery> jashank: I'd start by finding the ADC
  • [23:04:58] <jashank> Okay.
  • [23:05:02] <dwery> no uuPP afaik
  • [23:05:13] <dwery> but there's a memory mapped bus interface
  • [23:06:07] <dwery> (with addr and data muxed)
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  • [23:23:13] <beagleboneee> hi what is the difference between beaglebone A5 and beaglebone A3?
  • [23:25:05] <thurbad> the software that ships on the sd card.. pretty much
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  • [23:25:49] <thurbad> a4 had a problem and a3 was essentially reissued
  • [23:27:46] * phantone (~destroy@a95-92-89-24.cpe.netcabo.pt) has joined #beagle
  • [23:27:56] <beagleboneee> thank u for the explanation, so basically, they r the same right?
  • [23:28:22] <dwery> beagleboneee: yes
  • [23:28:22] <thurbad> hardware wise, as far as I'm aware
  • [23:29:06] <beagleboneee> could u also tell me how many external devices can I connect to a beaglebone by using the communication interfaces?
  • [23:29:36] <dwery> there are a lot of interfaces, it depends on the type of the devices
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  • [23:31:45] <beagleboneee> I am not familiar with the interfaces, it is obvious that one devices to the usb port, but how about the JTAG port? there are two JTAG ports on the left and right side of the board, I wonder how many devices could be connected externally to the beaglebone
  • [23:31:48] * phantoxe (~destroy@a95-92-89-24.cpe.netcabo.pt) Quit (Ping timeout: 272 seconds)
  • [23:32:00] <dwery> those are not JTAG ports
  • [23:32:36] <beagleboneee> what port are they?
  • [23:32:46] <dwery> they're called CAPE connectors, and you can connect different capes to them, http://circuitco.com/support/index.php?title=BeagleBone_Capes
  • [23:33:03] <dwery> or you can connect your own device.. there are serial, i2c and spi ports on those connectors
  • [23:33:39] <beagleboneee> great
  • [23:33:49] <dwery> check the referencr manual
  • [23:34:09] <beagleboneee> thank you very much for the answers
  • [23:34:18] <beagleboneee> I will read the manual
  • [23:34:28] <beagleboneee> have a nice night
  • [23:34:45] <dwery> see you
  • [23:35:35] <dwery> http://circuitco.com/support/index.php?title=BeagleBone_MSTP anyone has bought that cape?
  • [23:38:49] <beagleboneee> I am planning to buy that one on http://search.digikey.com/us/en/cat/programmers-development-systems/general-embedded-dev-boards-and-kits-mcu-dsp-fpga-cpld/2621773?k=beaglebone
  • [23:38:58] <beagleboneee> would u recommend it?
  • [23:39:22] <beagleboneee> or would u recommend any another capes?
  • [23:39:23] <dwery> you'll be satisfied
  • [23:39:33] <dwery> capes are add ons to the beaglebone
  • [23:39:47] <dwery> some knowledge of linux is required too
  • [23:40:38] <beagleboneee> ok thanks
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  • [23:52:09] <snowrichard> hi
  • [23:52:16] <snowrichard> had to run some errands
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