#beagle IRC Log on BeagleBoard.org

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IRC Log for 2010-08-27

Timestamps are in UTC.

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[00:12:30] <major> well, I get the splash screen during the boot, but then the screen goes black when it spawns the getty
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[00:17:31] <ds2> the lack of need to assemble is a plus with stripline
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[01:33:34] <emeb> djlewis: ping
[01:33:44] <djlewis> emeb: pong
[01:34:04] <emeb> that narcissus image I built the other night? finally got it working
[01:34:17] <djlewis> lots to add to it?
[01:34:28] * robclark (~robclark@nat/ti/x-kftcwmjskvtmqhrx) has joined #beagle
[01:34:46] <emeb> I haven't added anything to it beyond what I specified on the website
[01:35:00] <djlewis> hmm, then explain?
[01:35:04] <emeb> just took a while to get it copied reliably to SD.
[01:35:17] <emeb> the 1st SD card I used was bad
[01:35:31] <emeb> trouble formatting, un-tarring, etc
[01:35:43] <emeb> used a different card and it appears to be working now.
[01:35:49] <djlewis> cool
[01:36:00] <emeb> took a looooong time to go through the initial boot
[01:36:07] <emeb> all the GNOME configuration stuff...
[01:36:33] <djlewis> that may be my major issue as well, I use the same maybe bad SD for new tests.
[01:36:52] <emeb> I'm surprised at how often they are bad right out of the box.
[01:37:10] * russ (~russ@206.29.188.227) Quit (Remote host closed the connection)
[01:37:31] <emeb> I'd bet > 10% failure rate in my experience
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[01:57:45] <gtk> hi i am trying to install gtk+ and glade on beagle. I am working with angstrom filesystem.. Any suggestions on how to install ... I tried 'opkg install gtk+' to install gtk .. it says it is already installed but I cannot find gtk.h header file in /usr/include
[01:58:26] <djlewis> try searching from root /
[01:59:04] <djlewis> or I think opkg has a list package option that might show you the directories it is in.
[02:00:07] <gtk> djlewis: i tried searching from root -- 'find . -name "gtk.h" ... but showed nothing
[02:00:45] <djlewis> did you install the dev pkg?
[02:01:09] <gtk> u mean gtk+-dev ?
[02:01:17] <djlewis> yep I suppose
[02:01:26] <djlewis> I dont have a BB in front of me
[02:01:36] <djlewis> does that show in the list?
[02:02:09] <djlewis> opkg list gtk*
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[02:02:22] <djlewis> irc
[02:02:31] <gtk> I am not sure about that ... i dont have BB in front .. will try that after sometime
[02:03:05] <gtk> djlewis: And how to install gladeo BB ... is tr .ipk available for glade
[02:03:06] <djlewis> yeah, use opkg to list the gtk+ dnloads available. there should be a matching dev
[02:03:34] <djlewis> same way to search for glade
[02:03:55] <gtk> ok wil try that too
[02:05:18] <djlewis> gtk: you can go here and look for pkgs without a BB. http://www.angstrom-distribution.org/repo/
[02:07:46] * djlewis is off to look at the sky a bit before the moon gets too high
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[02:21:09] <djlewis> emeb: if not for the rising moon I'd be out all night. But alas.
[02:21:25] <emeb> too bright already?
[02:21:38] <djlewis> our unusually low humifity is offering up some excellent transparancy
[02:21:40] <djlewis> yep.
[02:21:53] <djlewis> ooh typo's
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[02:23:55] <djlewis> the CSC gives us 100% transparency, very rare.
[02:24:36] <djlewis> That is what I saw with my 10x50 Nikon binoculars. the milkyway peppered with fine stars
[02:25:23] * klaas__ (~chatzilla@d54C07440.access.telenet.be) Quit (Read error: No route to host)
[02:25:29] <emeb> nifty
[02:25:53] <emeb> did you see the video of the asteroid discoveries over the last 30 years?
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[02:26:40] <emeb> http://www.youtube.com/watch?v=S_d-gs0WoUw
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[02:30:35] <djlewis> its taking a while to play
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[02:31:14] <JDuke128> hi, is opengl es runs fastest on framebuffer ?
[02:31:19] <djlewis> I turned asteriods on with The Sky planetarium once and brought my computer to a crawl.
[02:31:25] <JDuke128> i dont want to use X Windowing system for performance
[02:32:47] <emeb> djlewis: hooked up monitor, ethernet, kbd, mouse to the narcissus machine - works great.
[02:32:58] <emeb> EVIL SKULL!!!
[02:33:31] <emeb> now just need to set the monitor up correctly.
[02:33:51] <emeb> need to make a boot.scr for that I suppose...
[02:34:39] <JDuke128> does someone have any idea?
[02:36:03] <djlewis> oh yes, the migration to boot.scr
[02:37:39] <JDuke128> boot.scr ?
[02:37:51] <djlewis> that was to emeb
[02:38:07] <JDuke128> please , i just need some idea to fastest run opengl es
[02:38:18] <djlewis> why not give both a try?
[02:38:19] <JDuke128> a new way
[02:38:30] <JDuke128> Framebuffer slows ?
[02:38:36] <JDuke128> it doesnt support OpenGL ES ?
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[02:40:48] <JDuke128> ?
[02:44:09] <emeb> djlewis: yep - boot.scr is now the officially supported way to set the kernel cmdline & start up
[02:44:35] <emeb> a bit of a nuisance that uboot wants to see a binary header on it though...
[02:45:17] <djlewis> so you use a hex editor to modify ;P
[02:45:55] <emeb> I believe that what you're supposed to do is use a text editor, then run the txtfile through mkuImage
[02:46:02] <emeb> to put the header on.
[02:46:06] <emeb> blech...
[02:46:26] <djlewis> yep.
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[02:48:18] <killring> funny you are talking about this... is this the route I need to go to make a persistent change to the screen resolution?
[02:49:26] <djlewis> depends
[02:49:52] <djlewis> the env vars still work but I think are being planned away due to the XM?
[02:50:11] <killring> I'm on an XM :-)
[02:50:23] <djlewis> lucky you
[02:50:27] <djlewis> :)
[02:50:32] <killring> just got it today and getting acclimated to angstrom
[02:51:02] <djlewis> iirc env vars are placed in nand which XM doesn not have.
[02:51:09] <killring> yup
[02:51:23] <djlewis> so thus the .scr
[02:52:10] <killring> though the whole .scr thing seems a bit more convoluted than seems necessary
[02:52:25] <djlewis> kinda a take off of config.sys
[02:52:54] <djlewis> and its autoexec.bat counterpart
[02:53:05] <killring> at least I never had to run a config sys through a preprocessor which seems like is effectively what's going on
[02:53:38] <killring> though I've only been playing with it for a couple of hours and am still trying to piece together the boot process
[02:54:08] <djlewis> killring: you have it booting up yet?
[02:54:32] <killring> yep. I even had it working (somewhat and momentarily) with my display
[02:54:39] <djlewis> cool
[02:54:46] <killring> right now I'm ssh-ing in via ethernet
[02:55:10] <djlewis> you have older BB's, no?
[02:55:15] <killring> trying to figure out how to tweak the display parms without doing something dumb
[02:55:22] <killring> nope... my first one :-)
[02:55:31] <djlewis> I had seen you here before
[02:55:44] <killring> I've been hanging out waiting for the xm for quite a while
[02:56:10] <killring> I really wanted onboard ethernet and more ram which the xm delivers quite nicely along with several other improvements
[02:57:35] <killring> I was almost ready to break down and buy the original bb when the xm started being talked about so I've been patiently awaiting it... took a bit longer than expected but seems to have been worth the wait
[02:58:02] <killring> out of box experience has been quite painless (aside from my video problem... due entirely to the oddball monitor I'm using)
[02:58:10] <djlewis> I know a lot of attention was given it to get it right
[02:59:01] <djlewis> optionally you could vnc to it and use your monitor on your pc, a bit slower
[03:00:13] <killring> I'll probably do that at some point as I'll eventually be running it headless. but I wanted to hook it up to a monitor and see what the current capabilities are re: opengl and media playback
[03:00:22] <killring> I can see myself getting more than one of these :-)
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[03:00:48] <djlewis> you can get a good monitor for the same cost
[03:00:54] <djlewis> or less
[03:01:31] <killring> I know but I'm being cheap as I'm still debating what my next computer purchase will be which will drive where I go re: a new monitor
[03:02:26] <djlewis> One of my monitors. a Mag 22" as three source inputs. 2 vga conn's and one dvi
[03:02:28] <killring> pretty much all of my lcd panels are in all-in-one or notebook systems... only have one old tv that will take dvi input right now
[03:03:02] <djlewis> I use a Samsung 17" for my BB
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[03:07:26] <killring> hmm... just thought to check: I got the -00 assembly using the micron memory. does that mean that I should be able to clock the memory @ 200mhz? I wasn't clear from the mailing list if the micron parts were operating properly at that speed or not
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[03:10:09] <djlewis> i'd like to see leopardboard do a good ccd camera
[03:10:35] <killring> are their current ones all cmos-based?
[03:10:47] <djlewis> looks to be
[03:11:17] <djlewis> which means daylight and room lighting only
[03:11:20] <killring> yep
[03:11:58] <killring> it might be fun to play with an ir camera module too
[03:12:18] <djlewis> I'd like to hang a CCD with variable shutter speed, like up to 30 minutes on my telescope
[03:12:42] <djlewis> I sold my $3500 camera rig
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[03:13:49] <djlewis> emeb: I'm still thinking on stereo BB-XM's with matching cameras for my robot.
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[03:25:01] <killring> aha... just discovered fbset
[03:25:32] <killring> Houston, we have video... sort of (overscan issue)
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[03:28:15] <djlewis> help me, I cant quit looking at astro gear....
[03:29:32] <killring> you wouldn't want my help... I just got a big box 'o crap from digikey :-)
[03:29:56] <djlewis> I love it when new toys arrive :)
[03:30:33] <killring> me too... I just wish I could figure out how to solve the problem of getting someone else to pay the credit card bill
[03:30:50] <djlewis> I need to make a McMasterCarr order but it too relateds to my astro addiction
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[04:07:25] <killring> grrr... the mac address of the xm seems to change on reboot
[04:10:13] <djlewis> seems I heard something about that yesterday or today.
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[04:15:58] <emeb> djlewis: stereo xMs sounds like a fun project
[04:18:45] <djlewis> yeah, you'll help me sync them ;)
[04:19:44] <emeb> sure - simply use a GPIO pin & master/slave
[04:19:54] <djlewis> tomorrow night I'm doing some ccd tests on my 18" moon and all
[04:20:15] <djlewis> GPIO as I2c or spi
[04:20:17] <djlewis> ?
[04:21:53] <djlewis> I expect I will have to do image comparison algorithms for decision making
[04:22:12] <djlewis> Heck, the USB may be stable enough for that with the XM
[04:22:45] <djlewis> ANyhwhoo, I'll see you tomorrow emeb and the gang
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[04:40:50] <_av500_> gm
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[05:00:15] <ds2> Hmmmm
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[05:31:54] <doogie_> haha I just logged on straight from my beagleboard
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[05:38:26] <ddd_> anyone knows what is the problem of CE? thx, it just stops over there. http://pastebin.mozilla.org/776780
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[06:24:34] <ahmet> is there anyway for file transferring with vnc and x11?
[06:30:41] <Animule> ...ftp?
[06:31:00] <Animule> neither x11 nor vnc has any provisions for transferring files
[06:31:02] <kunguz> ahmet: open ssh service then sshfs to mount it to anywhere you want
[06:31:10] <Animule> ftp, however, is built to do just that
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[06:34:03] <ahmet> ok ?? try it
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[06:45:58] <_koen_> good morning all
[06:46:09] <kblin> morning folks
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[07:51:14] <Steven> Hi, I've modifed and compiled u-boot for the pin mux options I want (I2C2, McSPI3, McSPI4 and UART2 on the expansion header) and they all seem to work now however my usb (EHCI) port has stopped working properly
[07:52:06] <_koen_> which u-boot did you use and what does your patch look like?
[07:53:26] <Steven> I used http://gitorious.org/beagleboard-validation/u-boot/commits/validation-20100818
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[07:55:28] <Steven> and added http://pastebin.com/DiGpiiZw
[07:55:35] <Steven> to beagle.h
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[07:56:47] <Steven> I get http://pastebin.com/HcaPHtW9 on boot
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[08:01:11] <Steven> Any Idea?
[08:02:27] * florian_kc is now known as florian
[08:09:23] <Steven> My usb port goes into auto suspend
[08:09:36] <Steven> after changing u-boot mux config
[08:23:09] <Steven> fixed it
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[08:33:34] <Steven> Hi, whats the easiest way to test the i2c port on the expansion header?
[08:36:45] <ahaczewski> guys, why does it take 3 secs to read 3 MB from NAND in u-boot?
[08:37:19] <ahaczewski> I have 2,7 MB kernel that is loaded faster from MMC than from NAND
[08:37:28] <ahaczewski> using beagleboard-validation u-boot
[08:38:13] <koen> nand is slow
[08:38:31] <ahaczewski> slower than MMC?
[08:39:00] * likewise (~likewise@82-170-243-215.ip.telfort.nl) has joined #beagle
[08:40:24] <ahaczewski> guys at http://code.google.com/p/swiftbeagle/ at their presentation state that loading from NAND is 1 MB/s and from MMC 500 KB/s and that is something I held onto until I made tests myself and it looks like NAND performs slower than MMC
[08:40:47] <av500> they are wrong then
[08:40:48] <ahaczewski> which is kind of a supprise to me
[08:41:11] <av500> mmc is >10MB/s
[08:41:15] <av500> or at least can be
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[08:41:56] <ahaczewski> I have SDHC card, maybe that's the reason
[08:42:08] <av500> no
[08:42:43] <av500> of course it could well be that in uboot, neither nand nor mmc reach the full speed they could
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[08:43:15] <ahaczewski> is there a faster way to boot beagle than using x-loader + u-boot?
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[08:44:10] <av500> boot uimage+initrd from usb
[08:44:43] <ahaczewski> serial boot?
[08:44:48] <av500> no, usb
[08:44:56] <av500> serial works too, but it slow
[08:45:12] <ahaczewski> and there's no x-loader and u-boot needed for usb boot?
[08:45:26] <av500> it can be made to work without
[08:45:47] <ahaczewski> are there any resources or docs on that?
[08:45:52] <av500> most ppl who uses that upload a tiny loader via usb, then that loader loads kernel etc
[08:46:09] <av500> usb gives you a way to upload sw and then run it
[08:46:13] <av500> this sw can be anything
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[08:46:39] <av500> ahaczewski: booting bb from usb can be googled
[08:46:53] <av500> "pserial" and "pusb"
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[08:49:24] <ahaczewski> ah, pusb, that sound something now in my head
[08:49:51] <ahaczewski> can it be done stand-alone?
[08:51:03] <ahaczewski> I suppose I'll have to get a board made to make it boot as stand-alone system, without needing for PC next to it
[08:51:22] * XorA|gone is now known as XorA
[08:51:58] <av500> ?
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[08:54:27] <Steven> Hey
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[08:56:16] <Steven> Hi, I'm using i2c-tools to test the i2c2 port on the expansion header. I am probing it with an oscilloscope and can see the command i2cdump 2 0x2d putting data on the sda pin but I cannot see anything in the SCL pin
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[09:06:13] <av500> http://focus.ti.com/pdfs/wtbu/OMAP4430_ES2.0_Public_TRM_vJ.pdf
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[09:38:29] <akumar> Hi, any one try rowboat android on beagle board.
[09:38:47] <akumar> please suggest me bootargs for above.
[09:38:58] <av500> what do the docs say?
[09:39:17] <akumar> when i am booting rowboat on beagleboard.
[09:40:50] <akumar> it display upto "done, booting the kernel." and it is stop. details: http://pastebin.com/Pyp9uSX7
[09:41:06] <akumar> it is not displaying the root prompt.
[09:41:56] <av500> what do the docs say?
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[09:46:20] <akumar> av500: docs sat
[09:46:35] <akumar> says: setenv bootargs "mem=128M console=tty0 console=ttyS0,115200n8 androidboot.console=ttyS0 root=/dev/mmcblk0p2 rw
[09:46:35] <akumar> init=/init rootwait omap-dss.def_disp=dvi omapfb.video_mode=720x480MR-16@60"
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[09:47:13] <av500> looks ok
[09:47:39] <akumar> but it is not working
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[09:53:41] <ahaczewski> akumar: shouldn't it be console=ttyS2?
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[09:54:48] <akumar> ahaczewski: means it is not required in bootargs
[09:54:57] <av500> ahaczewski: btw, I read 30MB/s from emmc (linux)
[09:55:53] <ahaczewski> av500: I guess I'll have to look at x-loader and u-boot mmc driver then, as this might be the best way to speedup boot
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[10:17:34] <av500> ahaczewski: e.g. xloader and uboot split is artificial, you could load uboot via the rom code afaik
[10:17:49] <av500> that removes one "stage" in the process
[10:18:59] <jacekowski> not easily
[10:19:11] <jacekowski> rom code has size limits and stuff
[10:19:25] <jacekowski> so rom couldn't load uboot
[10:20:49] <ahaczewski> I compiled u-boot with mthumb and it takes less than 200 K
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[10:22:11] <jacekowski> too big
[10:22:18] <jacekowski> rom code can load 128k iirc
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[10:22:38] <av500> not sure
[10:22:41] <jacekowski> because it's not loaded into memory
[10:22:47] <jacekowski> but into cpu cache
[10:22:49] <daurni> digikey don't seem to have the xm?
[10:22:51] <ahaczewski> so why x-loader has reserved 512K for x-loader?
[10:22:55] <daurni> I'm confused by the order page
[10:23:01] <jacekowski> and then xloader initialises memory
[10:23:10] <av500> jacekowski: no need for that
[10:23:12] <jacekowski> hmm, no
[10:23:14] <jacekowski> it's 64k
[10:23:15] <av500> configration headers can do that
[10:23:22] <ahaczewski> I mean 512K in Nand is reserved for x-loader
[10:23:33] <av500> you can setup dram via conf headers
[10:24:00] <jacekowski> conf headers of what?
[10:24:07] <av500> jacekowski: http://nishanthmenon.blogspot.com/2009/05/configuration-header-no-more-x-loader.html
[10:24:34] <jacekowski> well, yeah
[10:24:51] <av500> ?
[10:24:59] <jacekowski> you can do it
[10:25:06] <av500> i said nothing else :)
[10:25:13] <jacekowski> but you need to configure ram somehow
[10:25:20] <av500> yes, via conf headers
[10:25:21] <jacekowski> in this case it's done by rom
[10:25:37] <av500> rom reads a table of register addresses and values
[10:25:41] <av500> and pokes them into the omap
[10:25:52] <av500> aka configration headers
[10:25:53] * daurni (76d1529f@freenode/staff/daurnimator) Quit (Client Quit)
[10:26:18] * av500 remembers having that on custom SH-1 ROM code in 2001 :)
[10:27:51] <jacekowski> i'm just wondering if anybody have m-shield datasheets here
[10:28:01] <av500> i might :)
[10:28:19] <jacekowski> what you had to do to get them?
[10:28:34] <av500> its the "tell you, kill you" thing :)
[10:28:40] <XorA> he sold his soul years ago
[10:28:54] <av500> jacekowski: talk to your friendly TI rep
[10:29:00] <av500> predict him huge sales
[10:29:11] <jacekowski> was there any NDA to sign?
[10:29:13] <av500> show him bank account statement
[10:29:17] <av500> jacekowski: of course
[10:29:29] * XorA is going to assume m-sheild is a varient of pretty standard silicon defences
[10:29:33] <av500> I sing NDAs all day
[10:30:05] <jacekowski> and really
[10:30:32] <jacekowski> hmm, i'll have to send them an e-mail
[10:30:40] * amitk-afk is now known as amitk
[10:30:46] <dm8tbr> av500: you _sing_ them? I pity alex and the rest...
[10:30:46] <jacekowski> or you did it over a phone?
[10:31:04] <av500> dm8tbr: lalalalaaaaa
[10:31:15] <av500> over the phone, I shout :)
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[10:45:45] <daurn> sorry, got d/c
[10:46:05] <daurn> regarding the xm: I don't understand the digikey order page;
[10:46:28] <daurn> i understand they are $179?
[10:46:32] <av500> yes
[10:46:43] <daurn> also it says lead time, then 10/8/2010... which confuses me
[10:48:37] <av500> read the mailing lisrt
[10:48:39] <av500> list
[10:48:46] <av500> xm have started shipping
[10:48:48] <av500> so go order
[10:50:19] <jd823592> av500: i forgot to ask yesterday, are there opensource drivers for the BB? i suppose there are
[10:50:29] <av500> ????????
[10:52:28] <jd823592> i guess you need drivers to use the ethernet card on XM etc.. so what about all those question marks?
[10:53:05] <av500> jd823592: yes, there are opensource drivers
[10:53:13] <av500> XM runs linux
[10:53:50] <jd823592> i know it does.. that doesnt imply the drivers are open
[10:54:35] <jd823592> they are probably GPLed i guess
[10:54:40] <av500> yes
[10:54:54] * raster (raster@enlightenment/developer/raster) Quit (Quit: Gettin' stinky!)
[10:55:00] <dm8tbr> I guess only SGX is non-open?
[10:55:16] <av500> yes
[10:55:25] <av500> and some odd bits and pieces
[10:56:07] <av500> damn, lunchpack not delivered coz nobody home :(
[10:56:07] <jd823592> so its not entirely open?
[10:56:42] <dm8tbr> jd823592: SGX is optional. you don't want fancy 3D EGL. you don't install it.
[10:57:05] <dm8tbr> glibc is now FOSS though ;)
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[11:02:38] <jd823592> id love some 3D acceleration
[11:03:36] <dm8tbr> then you have to make-do with the TI closed source bits
[11:04:26] <jd823592> thats bad :(
[11:05:51] <dm8tbr> tough luck, no cookies
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[11:09:10] <jd823592> :), any chance there will ever be an open single board computer? :)
[11:11:30] <dm8tbr> jd823592: get an 4004, you can even get the mask for it
[11:12:03] <hrw> jd823592: define 'open sbc'
[11:16:08] * lifeeth (~praneeth@unaffiliated/lifeeth) Quit (Quit: Up and at 'em, Atom Ant!)
[11:18:57] <daurn> what codecs are available for the dsp? or is it pretty much anything?
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[11:26:03] <mru> whatever you write
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[11:40:12] <beagleboard> hello
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[11:58:32] <av500> world?
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[12:03:18] <jd823592> dm8tbr: whats 4004?
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[12:07:54] <dm8tbr> jd823592: http://en.wikipedia.org/wiki/Intel_4004
[12:08:23] <koen> jd823592: http://lmgtfy.com/?q=4004&l=1
[12:09:20] <hgs> could any one give me suggestion on the changes that needs to be done to decode demo which comes with TI-DVSDK to play mp4 or avi container video??
[12:09:46] <av500> ?
[12:09:54] <av500> what does it play?
[12:11:17] <jd823592> koen: it didnt seem reasonable to google for a number like that and i didnt expect dm8tbr to mention Intel processor..
[12:13:16] <av500> jd823592: google anything!
[12:13:18] <av500> :)
[12:18:38] <hgs> av500: it the plays audio and video elementary streams using dsp codec engine http://processors.wiki.ti.com/index.php/Encoding_and_decoding_DVEVM_clips
[12:18:40] <jd823592> i tried to say that i would be confused anyways.. i know what intel 4004 and 8008 8080 8088 are..
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[12:20:05] <jd823592> in principle with BB xm i need usb keyboard and monitor, thats all, right?
[12:20:35] <av500> you can connect it yes
[12:22:49] <jd823592> connect it? i dont know what you mean.. would it be usable already? i need a memory card as well
[12:23:10] <av500> yes
[12:26:10] <hgs> av500: it plays audio and video elementary streams and uses dsp codecs. so have to modify the the code so that it parses mp4/avi container and plays audio video in sync...but dont have a clue where to start..
[12:26:23] <av500> use ffmpeg
[12:27:04] <av500> libavformat
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[12:29:53] <hgs> av500: so with ffmpeg library apis, can generate the audio video elementary streams and use the remaining flow as such with out modification...
[12:30:18] <av500> yes
[12:30:27] <av500> look at what ffplay dies
[12:30:28] <av500> does
[12:31:43] <hgs> ok i am goin to spend this week end for this...thnaks av500
[12:32:09] <av500> gee, now i ruined your week end :)
[12:33:59] <hgs> ya, but thanks, hope i succeed with it :)
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[12:37:32] <Drago> I have inserted Ralink's WiFi, but nothing happened. Any ideas ?
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[12:38:54] <jd823592> this isnt the xm is it: http://search.digikey.com/scripts/DkSearch/dksus.dll?lang=en&site=US&KeyWords=296-23428-ND
[12:39:02] <av500> no
[12:39:05] <av500> its a C4
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[13:05:03] <jd823592> has anyone any idea what would the shipping cost to get BB xm to europe (czech republic)?
[13:05:32] <av500> what does digikey say?
[13:05:37] <ahaczewski> jd823592: add it to cart, click checkout, provide data and just don't click submit :)
[13:05:40] <av500> or they dont ship to cz?
[13:09:49] <jd823592> damn it $60 but if i could buy case i would get over $200 and then it would be even free :D
[13:10:05] <av500> buy other stuff
[13:10:07] <jd823592> i guess i wouldnt be able to pay over internet anyway :D
[13:10:10] <av500> for $20
[13:10:22] <av500> no cc?
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[13:10:29] <jd823592> av500: its just that i dont know what i would need :), any recommendations?
[13:10:38] <jd823592> cc?
[13:10:42] <av500> credit card
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[13:11:41] <jd823592> oh i have cc but i had problems when i tried to use it with paypal .. i just dont know how these things work here in europe
[13:12:31] <mru> much more smoothly than in the US I'd say
[13:12:43] <jd823592> i need to go now.. i will be back, if you have any recommendations i will be very happy to hear them when i come back
[13:13:02] * mru recommends keeping at least 3 different credit cards
[13:13:17] <mru> preferably billed in different countries
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[13:23:25] <Kmus> I`ve ordered to Ireland from digikey and had no issues (apart from the damn import tax :| )
[13:25:12] <av500> same for germany
[13:25:27] <av500> btw, they have different prices depending on what domain you go
[13:25:36] <av500> digikey.com vs e.g. digikey.de
[13:25:56] <av500> for me us wanted outrageous shipping costs, .de was free
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[13:40:19] <jd823592`> i am back, please do you find anything very useful to be bought with the BB... i assume there is no adapter packed with BB xm
[13:41:15] <av500> 5v power supply
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[13:48:57] <jd823592`> what power should it have, av500 ?
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[13:52:46] <adj> electric
[13:56:01] <jd823592`> i ment how many Watts
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[13:56:58] <av500> 5V
[13:57:02] <av500> 3A or so
[13:57:29] <av500> read the BBXMSRM
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[14:17:12] <PierreLuc> I've been trying hard to get ti-gstreamer plugins to work and finally decode video using the DSP on a BeagleBoard (B7) and I'm falling at it (most likely because I still know too little about the OMAP platform admittedly) I'm wondering if anybody can give pointers on what to do with an error "omap_vout omap_vout: probed for an unknown device"? (Seems it's all I'm missing to get the TIDmaiVideoSink to work is /dev/video1) I've look
[14:17:13] <PierreLuc> documentation on the issue but failed to find it.
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[14:17:35] <koen> use omapdmaifbsink
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[14:18:59] <PierreLuc> koen: OK. How do I get that?
[14:20:10] <PierreLuc> It came up a few times during my searches but I could not find which TI of GStreamer packages provides omapdmaifbsink
[14:22:38] <koen> opkg install gstreamer-ti
[14:22:42] <koen> angstrom patches it in
[14:23:03] <PierreLuc> OK. since i'm not using angstrom it would explain why
[14:23:18] <PierreLuc> I'll get the patch and add it in
[14:23:35] <PierreLuc> koen do I still need DSS2?
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[14:27:26] <koen> yes
[14:28:04] <PierreLuc> OK at least that was not in vain. Do I still need v4l? (please tell me no I'd save on kernel space ;-)
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[15:08:02] <Crofton> anyone know why gcc-4.5 appears "slower" than 4.3 for c++
[15:11:17] <emeb> trying to discourage use of c++? :)
[15:11:55] <Crofton|work> not my choice ....
[15:13:33] <emeb> gotta trot this one out - http://www.nsbasic.com/desktop/info/interview.shtml
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[15:37:45] <screwgoth> Hi guys, has anyone faced an issue with audio codec G.711 uLaw or ALaw when using Linphone on Beagleboard ?
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[16:47:42] <jacekowski> what are the voltage levels on beagle board for i2c?
[16:47:56] <mru> 1.8V would be my first guess
[16:48:14] <jacekowski> bit too low
[16:48:25] <mru> then you need a level shifter
[16:49:33] <av500> jacekowski: 1.8v is not to low, its what the data sheet says :)
[16:50:37] <jacekowski> it's too low for me
[16:51:55] <jacekowski> hmmm, but 1.8V should be enough to be considered as high for 3.3V system
[16:52:10] <av500> jacekowski: it works for me here
[16:52:15] <av500> both ways :)
[16:52:32] <jacekowski> interfacing it with 3.3V?
[16:52:41] <av500> i use 3.3v for the serial
[16:53:15] <jacekowski> i need some way of interfacing beagle board with external avr
[16:53:23] <jacekowski> and well, i2c seems like a good idea
[16:54:24] <adj> a level shifter will get you whatever voltage levels you want or need
[16:54:36] <jacekowski> i2c
[16:54:43] <jacekowski> simple level shifter is not going to work
[16:55:00] <av500> jacekowski: there are i2c level shifter ics
[16:55:10] <adj> yes, I use level shifter in i2c when communicating with avr
[16:55:25] <jacekowski> hmm, well
[16:55:30] <jacekowski> it could work
[16:55:33] <av500> adj: there is a clever way just using a FET
[16:55:47] <jacekowski> i just need to get voltage to higher level from bb to avr
[16:56:20] <av500> http://www.nxp.com/documents/application_note/AN10441.pdf
[16:56:25] <jacekowski> and other way round i can just use clamping zener
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[16:56:40] <adj> av500: yeah, requires some low threshold voltage fets?
[16:56:49] <av500> you tell me
[16:57:01] <jacekowski> is omap 5V tolerant?
[16:57:05] <adj> nope
[16:57:06] <av500> no
[16:57:13] <av500> not even 12v
[16:57:25] <jacekowski> 3.3?
[16:57:27] <adj> av500: i don't know, I just use some MAX33780 or something similar
[16:57:50] <adj> jacekowski: IIRC, not even 3.3
[16:58:19] <av500> jacekowski: nominally not, but as i said, I use 3.3 on the serial tx and rx since 3ys
[16:58:38] <av500> adj: using MAXIM kills a kitten
[16:58:47] <adj> ha :)
[16:59:31] <emeb> av500: you're driving 3.3V direct into the OMAP RX input pin?
[16:59:36] <av500> OMG!
[16:59:39] <av500> yes
[16:59:40] <av500> YES!
[16:59:45] <av500> I am EVIL
[16:59:50] <emeb> some kind of current-limit resistor?
[17:00:03] <av500> i short piece of wire?
[17:00:07] <av500> a short piece of wire?
[17:00:14] <emeb> kewl
[17:00:17] <jacekowski> can you try 5V?
[17:00:22] <av500> lol
[17:00:31] <av500> i give you my paypal account
[17:00:38] <jacekowski> sure
[17:00:42] <jacekowski> give me your password as well
[17:00:48] <av500> swordfish
[17:01:01] <emeb> halibut
[17:01:08] <jacekowski> codfish
[17:01:14] <emeb> codpiece
[17:01:44] <emeb> c0dp13ce
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[17:08:20] <jd823592`> i dont know what power supply to use with BBXM from digi-key :( could anyone give me advice please, please
[17:09:28] <av500> 5v
[17:09:51] <av500> http://search.digikey.com/scripts/DkSearch/dksus.dll?vendor=0&keywords=T377-P5P-ND
[17:10:01] <av500> read the ML
[17:10:27] <jd823592`> where
[17:10:55] <av500> http://www.google.com/search?q=beagleboard+mailing+list
[17:11:22] <jd823592`> oh mailing list, right :D
[17:11:25] <jd823592`> sooorry
[17:11:41] <av500> :)
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[17:15:48] <jd823592`> av500: and the one you posted here, that would be ok?
[17:16:11] <av500> it is 5vb
[17:16:12] <av500> 5v
[17:16:20] <av500> somebody on the ml found it
[17:16:24] <av500> check the specs
[17:16:33] <av500> dont trust what other people tell you :)
[17:19:16] <jd823592`> av500: i dont understand whats OK and what may destroy the board so i kind of rely on others with this :) but i wont be buying BB any time soon anyway
[17:19:29] <av500> read the BB XM SRM
[17:20:31] <jd823592`> you directed me there, i know, last time i didnt find it.. i searched for BBXMSRM
[17:21:20] <av500> http://beagleboard.org/hardware/design
[17:21:28] <av500> http://beagle.s3.amazonaws.com/design/xM-A/BB_xM_SRM_A2_01.pdf
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[17:22:04] <jd823592`> thanks a lot, really, i am grateful
[17:22:27] <av500> np
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[17:28:37] <jacekowski> SRM?
[17:28:44] <jacekowski> software reference manual?
[17:30:41] <emeb> system
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[17:43:01] <cmg> any suggustions on why a peripheral mouse & keyboard hooked up with an externally powered usb hub will not work?
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[18:12:49] <major> cmg, humerously, I have the yin to your yang, I have keyboard and video/splash, but no login prompt
[18:13:05] <major> alt+f2 gives me a flashing cursor in the top-left
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[18:13:15] <major> caps_lock and num_lock work
[18:14:10] <djlewis_> happy friday everyone :)
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[18:17:56] <rvls> After getting my board to boot last week (with the help of this channel) I'm running into even more boot problems.
[18:18:14] <rvls> If anyone has a second to check out this log: http://pastebin.com/BjJdQnkU that would be great
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[18:18:38] <rvls> The error starts around line 265 with "Unable to handle kernel NULL pointer dereference at virtual address 00000030"
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[18:28:22] <_av500_> djlewis_: quiet so far
[18:29:48] * mru demands a proper friday
[18:30:14] <cmg> major ... the grass is always greener, as they say!
[18:30:35] <major> cmg, there's grass?
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[18:30:58] <cmg> haha, mostly weeds
[18:31:24] <_av500_> mru: round up the usual suspects...
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[18:32:18] <cmg> ive been looking at the language selection screen for about 2 days
[18:32:26] <ds2> so where's the fish dinners? ;)
[18:33:39] <_av500_> I'd rather the steak sandwich
[18:33:56] <ds2> he asked for a proper friday!
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[18:35:05] <_av500_> we had swordfish already
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[18:35:45] <djlewis_> just finished a US pound of burrito
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[18:36:19] <_av500_> and a family goes hungry
[18:37:10] <major> soilent green
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[18:40:26] * _av500_ prefers sync on green
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[18:46:58] <emeb> djlewis_: how's that burrito?
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[18:47:53] <djlewis_> emeb: all gone... :(
[18:47:59] <djlewis_> but was good :)
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[18:48:57] <jkridner|work> anybody getting xM boards yet?
[18:49:31] <djlewis_> I was talking with a guy last night with one
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[18:52:00] <major> cmg, my favorite part at the moment is my kernel "appears" to be working in pretty much every capacity, it just doesn't seem to be able to spawn the getty for whatever reason, and there is no error indicating why on the serial
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[18:56:45] <cmg> major, that is interesting because when i echo to force USB to go into host mode, the kernel agrees, but mouse/keyboard do not respond
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[18:58:02] <major> I had to disable OTG
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[18:58:13] <major> and use an USB2.0 hub, self-powered
[18:58:26] <_av500_> jkridner|work: u got that tracking no?
[18:58:42] <major> I also compiled the kernel for host-only mode
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[18:58:58] <major> mostly I have been trying to validate my toolchain and kernel sources before working on drivers for a variant on the board
[18:59:03] <major> btw, just got the login
[18:59:07] <major> most interesting
[18:59:40] <cmg> congrats
[19:00:16] <major> now I have a horrible urge to build a custom root image to avoid needing the entire IPv4 stack up to get a login prompt with no ethernet
[19:00:17] <cmg> ive got the 2.0 hub, and it is self powered... stil no dice
[19:00:38] <major> I disabled all the OTG portions in the kernel as well, similar problem
[19:00:49] <major> couldn't get kbd while it was enabled
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[19:02:14] <cmg> did you disable with : /sys/devices/platform/musb_hdrc/mode ?
[19:02:27] <major> I modified the .config in the kernel sources and recompiled
[19:03:10] <major> sorry for the confusion, I am trying to validate my toolchain can build a functional kernel. finding kernel sources and a .config that worked have been most of my time spent so far
[19:03:37] <major> none of the defconfig's actually matched what I found in /proc/config.gz to any degree, nor did they "just work" out of the box
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[19:07:29] <rvls> Does anyone know if anything was posted about my issue? My laptop frox about 30 mins ago when I ran out to do something quickly.
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[19:09:37] <_av500_> major: the defconfig inside the kernel are useless
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[19:11:36] <emeb> rvls: looks like the i2c drivers for your mt9v113 camera chip are unhappy about something.
[19:12:18] <rvls> I don't have a camera chip :\
[19:12:26] <rvls> There's nothing external connected to the board at all
[19:12:35] <emeb> rvls: then why is the i2c subsystem trying to load up a driver for it?
[19:12:42] <rvls> I have no idea
[19:13:04] <rvls> It's an image I built using narcissus and strictly console only, nothing else.
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[19:13:50] <emeb> have you tried using the straight demo images instead of narcissus?
[19:14:14] <rvls> Yeah, the demo one worked fine
[19:14:34] <rvls> But I'm using a 2gb card and I'm trying to get by with as minimal of a setup as possible
[19:14:43] <emeb> good start - means there's nothing obviously wrong with your HW
[19:15:29] <rvls> Yeah, the only other thing I did was flash the MLO and u-boot to NAND with the instructions from the demo images page
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[19:15:58] <emeb> that shouldn't have done anything nasty.
[19:16:27] <emeb> does the demo image still work?
[19:16:36] <rvls> Yeah it didn't seem to, because it got rid of the hanging problem I was having at "I2C: ready"
[19:16:42] <rvls> I haven't gone back to it to try yet
[19:16:49] <emeb> probably worth a try.
[19:16:54] <rvls> I'll give that a shot though
[19:16:56] <rvls> Yeah, definitely
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[19:16:58] <emeb> you do have more than 1 SD card, don't you?
[19:18:21] <rvls> Not large enough haha
[19:18:49] <rvls> Well I do, but not free actually. I have another 2gb that's in use.
[19:19:02] <rvls> And then really old 256/512mb ones laying around.
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[19:20:43] <rvls> And of course I can't find the demo image anywhere on either of my computers, only narcissus builds, and the demo image is downloading at a whole 20kb/sec for whatever reason
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[19:24:35] <rvls> Not seeing any current mirrors anywhere of the image either. I'm going to get some other errands done in the meantime then and I'll be around in a couple of hours seeing if this helps at all.
[19:24:38] <rvls> Thanks for the help so far
[19:24:55] <major> _av500_, I noticed
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[19:35:50] <cmg> anyone ever solder the pair of pads labeled J6 on the back of the board under the OTG connector? ... in order to short pins 4&5
[19:35:57] <djlewis_> yes
[19:36:56] <cmg> could you use a usb hub after?
[19:37:07] <djlewis_> yes
[19:37:28] <djlewis_> shorted is Host mode
[19:38:23] <cmg> yeah ... exactly. I've tried everything else to get it to act as a host -- didnt want to resort to soldering it, but i gotta get the mouse and keyboard working
[19:39:16] <djlewis_> i dont have the funky cable and I never use gadget mode anyway.
[19:39:54] <cmg> ok ... i'll give it a shot
[19:39:54] <djlewis_> do note that some newer boots are not enabling the usb for some reason.
[19:40:15] <djlewis_> at least that is what I read here
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[19:46:05] <cmg> damn ... still nothing
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[19:47:01] <ddd_> hey, bro, how can you debug your DSP side code when using dsplink or ce?
[19:48:10] <ds> One can assume that the answer is still the same
[19:52:17] <cmg> djlewis, what have you heard about newer boots and not enabling usb?
[19:52:33] <djlewis_> just that, search?
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[20:05:39] <ds2> ==
[20:06:21] <_av500_> ds: :)
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[20:45:09] <jconnolly> anyone know where enlightenment looks for a "profile" to be selected? I'm monkeying a bit with it now but my profile selection is empty...
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[21:19:48] <djlewis_> anyone used / using a Rigol DS1052E O-Scope?
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[21:30:42] * jconnolly is now known as jconnolly|bbl
[21:33:33] <emeb> djlewis_: never seeon one of those Rigols, but I've heard good things about them
[21:34:06] <emeb> word on the street is that you can buy the 50MHz vs and tweak a flash setting to give it the 100MHz BW
[21:34:16] <emeb> save a few hundred $$
[21:35:35] <emeb> http://www.eevblog.com/2010/04/18/eevblog-77-rigol-ds1052e-ds1102e-oscilloscope-hack-update/
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[21:37:01] * Topic is '"Welcome to #Beagle | Discussion about the OMAP3 Beagle Board - http://beagleboard.org | Beagle search tools are on #dashboard at irc.gimp.org, NOT here ;-)"'
[21:37:01] * Set by likewise on Tue Nov 17 16:28:25 CST 2009
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[21:38:18] <torusle> hi
[21:38:23] <mru> hi torusle
[21:38:42] <torusle> hi mru.. nice to see that you're still around here.
[21:39:25] <torusle> today the omap4430 TRM came out.. I'm drolling over the specs.
[21:40:39] <djlewis_> emeb: yep, thats why I asked ;)
[21:40:42] <mru> that's the "public version"
[21:40:52] <djlewis_> I been u-tubeing it
[21:41:07] <mru> e.g. the real chapter 6 is about the size of that entire pdf
[21:41:12] * GrouchoMarx (~gmarx@rrcs-67-53-159-201.west.biz.rr.com) Quit (Quit: Killed (KrON (Requested by panasync)))
[21:41:16] <emeb> djlewis_: I've just got an old Tek 60MHz scope.
[21:41:26] <emeb> Served me well for > 20 years...
[21:41:34] <mru> chapter 5 is rather short too
[21:41:46] <djlewis_> emeb: my older tek 20M with broken knobs etc is on its last decade I believe
[21:42:05] <torusle> mru as usual.
[21:42:08] * Ceriand|work (~Ceriand@unaffiliated/ceriand) Quit (Quit: Leaving.)
[21:42:17] <emeb> djlewis_: :) they last a while
[21:42:20] * mru needs to poke someone to get the full chapter 5
[21:42:22] <torusle> like the extra cortex-a3 and arm9 cores though.
[21:42:28] <mru> m3
[21:42:33] <torusle> m3, right
[21:42:34] <djlewis_> emeb: with dealextreme how to tell if a item is in stock?
[21:42:49] <emeb> djlewis_: should be right there on the product page
[21:42:58] <torusle> hardware spinlock module for dsp communication is nice as well.. finally!
[21:42:58] <emeb> but sometimes they lie
[21:43:25] <djlewis_> can't see any ref to it
[21:43:29] <emeb> Pretty sure you can get the Rigols from US distributors for not much more tho
[21:43:57] <djlewis_> amazon is $20 more and shipping
[21:44:03] <torusle> and I misplaced my serial-cable.. haven't used it in month, and today at home I need one.. damn.
[21:44:22] <djlewis_> emeb: you saying dealextreme is not local in US?
[21:44:39] <emeb> djlewis_: you pulling my leg?
[21:45:10] <djlewis_> never used them..
[21:45:29] <emeb> djlewis_: they're genyouwine Hong Kong
[21:45:39] <emeb> takes about 2-3 weeks to get stuff from them.
[21:45:58] <djlewis_> oh :-D
[21:45:59] * parapete (~pete@host81-159-41-211.range81-159.btcentralplus.com) Quit (Quit: /kick evilpaul)
[21:47:11] <emeb> Rigol scopes via Amazon for $20 more (plus shipping)
[21:47:21] <djlewis_> emeb: right
[21:48:50] <emeb> got some smokin' deals on decent scope probes from DX though.
[21:49:07] <emeb> My Tek probes are getting kinda ratty.
[21:49:35] <djlewis_> mine are barely holding together. always jigglin them to get a good wave ;)
[21:50:13] <emeb> These - http://www.dealextreme.com/details.dx/sku.32422
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[21:51:01] <emeb> Work fine. Leads a bit shorter than my old Teks, but otherwise give good waveforms and easy to compensate.
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[21:53:22] <djlewis_> emeb: i need to get setup with both a good o-scope and logic analyser so I am looking.
[21:53:44] <emeb> djlewis_: understood
[21:54:27] <prpplague> torusle: what kind of stuff for the 4430 are you interested in?
[21:54:31] <emeb> settled on a LA yet? That one you and ds2 were looking at the other day seemed good
[21:55:06] <djlewis_> emeb: i agree, looking at other options as well.
[21:55:28] <djlewis_> emeb: at present that is high on my list
[21:55:55] <emeb> djlewis_: option prices added up fast, but you can prolly get by w/o most of them
[21:56:38] <prpplague> emeb: i've been looking at using sigrok with a couple different LA's
[21:57:45] * emeb googles sigrok
[21:58:34] <emeb> Ah - looks like it works with the Saleae I've got
[21:58:38] <emeb> need to try it.
[21:59:17] <emeb> The Saleae was helpful in debugging some I2S issues I had on the mini2440 a few weeks ago
[22:00:03] <emeb> But usually I use the internal LA capability of the FPGA when I need to check stuff
[22:00:34] <torusle> prpplague, what I'd like to do with it?
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[22:09:06] <prpplague> torusle: yea
[22:09:32] <torusle> prpplague, don't know.. audio most likely.. and toying around :-)
[22:10:20] <torusle> I'm super happy with my good old beagle B4, but with the two Cortex-A9 cores I'd rather port my existing code back to ARM-NEON. float is so much easier to work with.
[22:14:13] <ds2> Hmmm
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[22:18:39] * torusle is now known as torus^afk
[22:18:42] <djlewis_> emeb: looks like Dealexcel is a clone of the other
[22:18:53] <rvls> emeb: I just got that demo image back up and running, booted without issue
[22:19:17] <emeb> djlewis_: never heard of them.
[22:19:20] <rvls> Guess it was just a problem with the previous image, should I try building another?
[22:19:31] <djlewis_> .com
[22:19:44] <djlewis_> tokyo
[22:20:00] <emeb> rvls: cool - I'd try re-running narcissus
[22:20:58] <emeb> djlewis_: looks like they've got more test equipment and prices marginally lower
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[22:47:50] <djlewis_> emeb: some adds mention 16ch logic with this scope but it is not clear to me how that can be.
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[22:48:01] <djlewis_> Perhaps it is mucked up adds.
[22:54:41] <emeb> djlewis_: there are two versions - the E and D. D version costs more but has the LA built in.
[22:55:04] <emeb> You can see it on the front-panel photos - wide connector under the display.
[22:57:34] <djlewis_> so they are mixing the adds then. I saw those and figured it was the logic portion.
[22:58:07] <djlewis_> they are just mixing info up that confuses the buyer
[22:58:17] <djlewis_> like me :)
[22:58:49] * florian (~fuchs@Maemo/community/contributor/florian) Quit (Ping timeout: 252 seconds)
[22:59:15] <emeb> me too.
[22:59:34] <emeb> I guess when you're in a race to the bottom on margins you won't have time to get the ad copy right
[23:00:43] <torus^afk> can anyone recommend me a simple I??S codec-chip? I'm sick poking around in the TWL4030.
[23:01:13] * Zoxc (~zoxc@ti0128a340-dhcp0032.bb.online.no) Quit ()
[23:01:22] <emeb> Wolfson WM8731, Cirrus CS4270, etc?
[23:01:30] * ghaz`` (theghaz@pomm.es) Quit (Remote host closed the connection)
[23:01:48] * mpoirier (~quassel@S0106002369de4dac.cg.shawcable.net) Quit (Ping timeout: 245 seconds)
[23:02:30] <emeb> torus^afk: how will you interface it though? Kinda hard to pull off the TWL to get at the McBSP lines
[23:05:06] <torus^afk> I'll just take another McBSP. One of them is on the expansion header if I remember right.
[23:05:25] <emeb> torus^afk: there are two on the expansion header.
[23:05:29] <rvls> emeb: It seems it was an image problem, this one is booting fine
[23:05:38] <rvls> Thanks again for the help
[23:05:47] <torus^afk> emeb, so it should work.
[23:05:52] <emeb> if you figure out how to hook a codec to either one, please let me know - I've been trying for a while
[23:06:12] <emeb> torus^afk: the driver side coding is... interesting...
[23:06:28] <emeb> rvls: good to hear.
[23:06:29] <torus^afk> I already had that working..
[23:06:48] <emeb> torus^afk: you do? Any chance I could get a look at your code?
[23:07:00] <torus^afk> or better said: The McBSP stuff is working, but for some reason the coded only outputs distorted signals, and I don't even get the DTMF tones out of it at the moment.
[23:07:15] <torus^afk> emeb, it's DSP-code...
[23:07:39] <emeb> torus^afk: that would be fine too
[23:07:50] <torus^afk> I ripped the important thing from the puppybits code (I hope you know that one). I just added eDMA.
[23:08:18] <torus^afk> emeb, let me take a look at how the code looks like for a moment..
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[23:09:55] <djlewis_> well, i'm outta here, check in later..
[23:10:01] * rvls (18cdefcc@gateway/web/freenode/ip.24.205.239.204) Quit (Quit: Page closed)
[23:10:04] <torus^afk> chiao djlewis
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[23:12:07] <torus^afk> emeb, I can give you the McBSP init stuff with DMA...
[23:12:11] <torus^afk> won't compile though.
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[23:13:58] <emeb> torus^afk: don't know puppybits yet, but I'm looking...
[23:14:43] <emeb> torus^afk: main thing I'm interested in is various ways to use the McBSP in conjunction with my FPGA board
[23:15:09] * niclas (~niclas@nat/ti/x-dleoffjfevsmvgun) Quit ()
[23:15:17] <emeb> and putting the DSP inbetween the FPGA and Linux userspace is OK.
[23:15:31] * Crofton (~balister@pool-96-240-180-89.ronkva.east.verizon.net) Quit (Ping timeout: 265 seconds)
[23:15:46] <torus^afk> emeb, puppybits is a project by someone who wrote drivers for a bare-bone system on the OMAP3530 arm. No OS..
[23:15:57] <emeb> Yeah - just spotted that
[23:16:06] <torus^afk> emeb: http://a-hackers-craic.blogspot.com/
[23:16:27] <emeb> torus^afk: yep - I read that now & then
[23:17:05] <emeb> just hadn't made the connection w/ puppybits...
[23:17:26] * NishanthMenon (~nmenon@nat/ti/x-iosajfhllfrwieof) Quit (Quit: Ex-Chat)
[23:18:16] <torus^afk> emeb, http://torus.untergrund.net/code/move.tgz
[23:18:29] <emeb> got it - thanks.
[23:18:42] <torus^afk> it's straight of of debugging, but the important things work.
[23:18:53] <torus^afk> like streaming audio.
[23:19:34] <torus^afk> the interesting part is soundio.c
[23:19:37] <emeb> so is this a DSP app that can be loaded from linux userspace, or stand-alone bare-metal?
[23:21:51] <emeb> OK - looks like a dsplink app...
[23:23:26] <torus^afk> that's a dsplink app, but I use dsplink just to get the program loaded and send debug-printfs to the arm.
[23:23:53] <emeb> cool - sounds pretty close to what I want to do too.
[23:24:26] <emeb> So you're trying to hook a codec up & do DTMF send/recv?
[23:24:55] <torus^afk> no, I want to do realtime audio processing.
[23:25:00] <torus^afk> (and I already did so).
[23:25:12] <torus^afk> but I messed up the codec init code which resides on the ARM side.
[23:25:32] <torus^afk> all my audio out is utterly distorted. audio-in works fine.
[23:25:37] <emeb> so you're looking for a simpler codec that's not so hard to set up...
[23:25:41] <torus^afk> yes.
[23:25:57] <torus^afk> screw all the sideband features and all the 100th of registers.
[23:26:02] <emeb> cool. The two I mentioned are pretty simple
[23:26:02] <torus^afk> all I want is audio in and out.
[23:26:22] <torus^afk> I think I remember the cirrus one.
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[23:26:34] <emeb> 8 or 9 setup registers for things like sample rates, formatting, I/O routing, etc.
[23:26:36] <torus^afk> wait - with a bit luck I can rip one out of a broken DVD player.
[23:26:46] <torus^afk> or old pc soundcard.
[23:26:57] <emeb> Or just order one from Mouser for $3
[23:27:05] <torus^afk> emeb, exactly that's what I'm looking for.. I??C for idiots.
[23:27:28] <torus^afk> emeb, good point. I will have to order level shifters anyway..
[23:27:46] <emeb> torus^afk: I've got some example projects for small DSPs that use these on my website.
[23:28:00] <torus^afk> emeb, mind giving the url?
[23:28:00] <emeb> http://members.cox.net/ebrombaugh1/synth/dsPIC_sp/index.html
[23:28:23] <emeb> that uses the Wolfson part. Example code is there in C for dsPIC
[23:28:41] <torus^afk> could it be that I know you from the synth-diy mailing-list..
[23:28:43] <torus^afk> :-)
[23:28:50] <emeb> yep.
[23:28:54] <torus^afk> haha..
[23:29:07] <emeb> small worls
[23:29:09] <emeb> world
[23:29:14] <torus^afk> I'm not that active there anymore, but I still lurk.
[23:29:19] <torus^afk> fun..
[23:29:28] <emeb> kinda...
[23:29:38] <emeb> I don't post much these days.
[23:29:49] * gdm (~gdm@186.19.159.138) has joined #beagle
[23:29:53] <emeb> most activity is analog, low-level stuff
[23:30:11] <torus^afk> jep.
[23:30:51] <emeb> Here's another page with the Cirrus part: http://members.cox.net/ebrombaugh1/synth/armfpga/index.html
[23:31:05] <emeb> I used I2C for the control ifc on both of those.
[23:31:11] <emeb> pretty easy to do...
[23:31:30] <torus^afk> the wolfson part looks nice.
[23:31:46] <torus^afk> I??C is easy.
[23:31:49] <emeb> It is - inexpensive, fairly simple to use, but has some nice features.
[23:31:56] <emeb> (the wolfson part)
[23:32:12] <emeb> I2C is nice too - Haven't had any major screwups with it yet.
[23:33:31] <emeb> I'm thinking of putting together a codec PMOD board for my Beagle FPGA board.
[23:33:34] <torus^afk> looks like the wolfson can directly interface with the 1.8v pins of the OMAP.
[23:33:42] <emeb> Interesting
[23:34:24] <torus^afk> I had so many problems getting bidirectional level-shifters in the past month.. You only get the really tiny ones or none at all.
[23:35:34] <emeb> I use a 2-bit bi-di level shifter for I2C, but everything else is selectable direction (control signal).
[23:35:46] <emeb> For codecs though you only need one dir at a time
[23:36:01] <emeb> but it looks like you're right - the WM8731 will run at 1.8V
[23:36:08] <emeb> for the digits at least...
[23:36:32] <torus^afk> that's nice..
[23:36:51] <torus^afk> okay, I'll get back to my code and try to get the test-tone working.
[23:36:54] <emeb> get a trainer board and a TSSOP-DIP adapter and your set.
[23:36:56] <torus^afk> it can't be that difficult.
[23:37:17] <emeb> Were you the one who had trouble with it only doing 1/2 the cycle a while back?
[23:37:17] <torus^afk> I have some guys at the company I work for who has amazing SMD solder skills.
[23:37:38] <torus^afk> I don't think so.
[23:37:59] <emeb> OK - there was a guy who was seeing only the positive side of the sinewave coming out.
[23:38:10] <torus^afk> it's crazy. I know that the data arrives at the codec at the correct speed (otherwise I would get overflow interrupts).
[23:38:24] <torus^afk> and the signal is there, but the signal is distorted.
[23:38:30] <torus^afk> and I don't have a scope at home.
[23:38:39] <torus^afk> hm. well.
[23:38:44] <emeb> ah - so you can't see what the distortion looks like...
[23:38:49] <torus^afk> yes.
[23:39:04] <emeb> hmmm. Hook to PC & grab audio?
[23:39:08] <torus^afk> I can't even record it because my line-in of the pc is broken somehow.
[23:39:15] <emeb> oooops.
[23:39:32] <torus^afk> I'll grab the eePc of my wife tomorrow..
[23:39:40] * katie_ (~katierh@nat/ti/x-retttyayehrsjgqv) Quit ()
[23:39:51] <torus^afk> but that half-wave thing is worth a try. who knows, maybe the codec takes unsigned data..
[23:39:54] <emeb> "Just need this for a moment honey... I won't break it"
[23:40:25] <emeb> The TWL has some odd behaviors due to the way its output drivers work.
[23:40:38] <torus^afk> and it has *so* many gain stages...
[23:40:59] <emeb> yep - lotsa sliders on the alsamixer
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[23:44:38] <emeb> torus^afk: good luck with your project & thanks for the dsplink code.
[23:45:05] <emeb> I'll take a look and see if I can figure out how to hook up a codec on my end.
[23:45:37] <torus^afk> no problem.
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