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  • [00:30:16] <geckosenator> wtf is with the turkish dude?
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  • [01:59:44] <nicky> what condition does CHNL_Reclaim() block on? Does it block on the calling of SIO_Reclaim() on DSP side of dsplink?
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  • [02:34:31] <duaneb> hey guys
  • [02:34:42] <duaneb> I'm interested in fooling around with a bootloader
  • [02:34:55] <duaneb> there a doc describing the boot process of the board?
  • [02:36:26] <duaneb> Or: is there a way to rescue it if I fry the bootloader?
  • [02:40:32] <nicky> duaneb: boot loader main() is a good start point
  • [02:41:13] <duaneb> nicky: well
  • [02:41:14] <duaneb> hrm
  • [02:41:25] <duaneb> I'm more worried about replacing a dead bootloader
  • [02:41:43] <duaneb> I understand the bootloader itself, but I don't want to proceed with anything until I get that.
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  • [02:43:35] <nicky> debug bootloader with an emulator
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  • [02:44:58] <duaneb> yea :/
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  • [02:56:12] <nicky> should I config two different pool for buffer allocation and msgq allocation?
  • [02:56:37] <nicky> I'm using dsplink 1.30
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  • [06:55:26] <nicky> what condition does CHNL_Reclaim() block on? Does it block on the calling of SIO_Reclaim() on DSP side of dsplink?
  • [06:56:31] <nicky> hello, could anybody help me, thanks!
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  • [07:04:01] <nicky> does dsplink 1.30 support multi-processes attach DSP?
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  • [07:12:11] <nicky> I got a DSP_EWRONGSTATE error return from MSGQ_Locate() called by second process on GPP side
  • [07:12:58] <methril|work> good morning
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  • [07:19:28] <AV500> nicky: i think you are suppsed to use the LAD for more than 1 process
  • [07:21:35] <nicky_> AV500: I use dsplink in 2 processes. main process will do load/start dsp.out, second process won't. But the second process MSGQ_locate() failed at return code DSP_EWRONGSTATE
  • [07:21:46] <nicky_> any suggestion?
  • [07:22:21] <AV500> nicky_: I use dsplink only via CE, so probably not much help
  • [07:22:44] * nicky (n=chatzill@222.66.141.242) Quit (Read error: 60 (Operation timed out))
  • [07:22:45] <nicky_> ok
  • [07:22:47] <AV500> http://wiki.davincidsp.com/index.php?title=Using_DSPLink_from_multiple_processes
  • [07:22:56] * nicky_ is now known as nicky
  • [07:23:11] <nicky> I have read this, it works on high version of dsplink
  • [07:23:22] <AV500> ok
  • [07:23:40] <AV500> ah, you need it for "ancient" 1.30 :-)
  • [07:23:47] <nicky> it works means high version of dsplink extend the ability of multi processing
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  • [07:24:58] <AV500> the doc says that before 1.50 you have to fork yor processes from the one that opened the link
  • [07:25:51] <AV500> hmm, it says "Any other process (not necessarily created by fork()) can also attach to the processor by directly calling PROC_attach(). "
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  • [07:29:10] <nicky> AV500: yes
  • [07:29:30] <nicky> does there anybody use dsplink directly?
  • [07:29:41] <AV500> maybe, but I doubt on this channel
  • [07:30:13] <nicky> what condition does CHNL_Reclaim() block on? Does it block on the calling of SIO_Reclaim() on DSP side of dsplink?
  • [07:30:22] <AV500> as I undetstand the doc, you just have to make sure that the 1st process to attach is the last to detach
  • [07:30:38] <AV500> nicky: wow, I have no idea about the internals :-)
  • [07:30:57] <DanDaManJC> hey all
  • [07:31:56] <DanDaManJC> i was wondering, is there enough power on the beagleboard to do realtime motion detection + tracking? i was thinking by some kinda relatively simple frame differencing alg
  • [07:32:02] <DanDaManJC> else find something on opencv
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  • [07:38:25] <koen> DanDaManJC: looked at motion yet?
  • [07:38:27] <koen> gregoiregentil: good morning!
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  • [07:42:14] <DanDaManJC> koen: looked at motion ?
  • [07:42:18] <DanDaManJC> how do you mean?
  • [07:42:24] <eFfeM> hi
  • [07:42:37] <DanDaManJC> hi
  • [07:43:29] <koen> DanDaManJC: http://www.lavrsen.dk/twiki/bin/view/Motion/WebHome
  • [07:45:50] <DanDaManJC> koen: very cool, ill have to look into that
  • [07:46:07] <koen> that already work on beagle
  • [07:46:51] <eFfeM> like a charm if your webcam works properly :-)
  • [07:47:02] <DanDaManJC> oh my
  • [07:47:21] <DanDaManJC> lol i see.. well... this is for a senior project, this would make it rediculously easy xD
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  • [07:51:38] <eFfeM> if your webcam is like mine, you need to fix the usb driver :p
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  • [07:51:56] <eFfeM> but if it is like the one from koen using uvc, it works out of the box :-)
  • [07:52:32] <DanDaManJC> ok -- well we'll just have to buy the right webcam then :)
  • [07:53:26] <DanDaManJC> so UVC is a USB / video data protocol?
  • [07:54:54] <DanDaManJC> well more importantly, were you guys able to get motion running in real time? or was it like a 1x per second sort of thing?
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  • [08:01:28] <koen> I tried at 12 fps or so
  • [08:01:35] <koen> didn't try anything fancier
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  • [08:06:58] <nicky> what condition does CHNL_Reclaim() block on? Does it block on the calling of SIO_Reclaim() on DSP side of dsplink? The answer is YES,. Thanks you all. I think TI should arrange some TI guys here.
  • [08:07:48] <koen> nicky: most dsplink TI guys are in the US and asleep atm
  • [08:08:20] <AV500> nicky: try http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
  • [08:08:25] <AV500> there's TI dsplink guys there
  • [08:08:49] <nicky> thanks
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  • [08:14:49] <DanDaManJC> so there are actual ti guys that lurk here?
  • [08:15:34] <AV500> yes
  • [08:16:39] * XorA|gone is now known as XorA
  • [08:19:23] * koen has another "wait for parcels" day again
  • [08:20:04] <Stskeeps> the alternative way is having the gf wait for them since she's home anyway ;)
  • [08:20:48] <XorA> koen: I have a get girlfriend to wait for parcels day :-)
  • [08:21:12] <koen> my gf is away for the next 4 months, so I have to do all the waiting
  • [08:22:18] * AV500 gets all parcels to the office :-)
  • [08:23:11] <XorA> koen: there are benefits to that too :-D
  • [08:23:30] <XorA> my GF might steal my parcel
  • [08:23:57] <AV500> XorA: steal her shoes in return
  • [08:24:19] <XorA> AV500: it is boots Im waiting for :-)
  • [08:24:44] <AV500> too bad
  • [08:25:11] <AV500> but then, on IRC nobody cares about your footwear anyway
  • [08:25:30] <XorA> or can hear you scream
  • [08:25:46] * AV500 screams AAAAAAAAAAAAAAAAAAAAAAAAAAAHHHHHHHHHHHH
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  • [08:50:36] <doohan> Hello everyone
  • [08:50:43] <eFfeM> hi doohan
  • [08:51:28] <eFfeM> backreading, was away for coffee, noticed koens gf is gone for 4 months, guess we'll see him around here 24/7 :-) ofc unliess he's making bread pudding :p
  • [08:51:40] <doohan> Don't suppose you know much about java running on hte beagle board?
  • [08:51:51] <eFfeM> doohan, not me
  • [08:52:02] <eFfeM> koen, are you graduating june/july ?
  • [08:52:14] <eFfeM> this year :-)
  • [08:52:39] <koen> eFfeM: not me :)
  • [08:52:58] <eFfeM> koen, will you ever graduate ?
  • [08:53:08] <koen> yes
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  • [08:59:44] <eFfeM> good!
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  • [09:02:23] <koen> nice, ubifs support in uboot
  • [09:02:43] <koen> that means I can start reading uImage from /boot
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  • [09:19:05] <eFfeM> would love usb support too
  • [09:24:11] <koen> eFfeM: http://dominion.thruhere.net/koen/OE/u-boot-beagleboard-2009.03+r23+gitr715c646c0bd3e99d4f964f2b5539d2155ce8f87a-r23.bin
  • [09:24:16] <koen> eFfeM: with usb and dfu support :)
  • [09:24:28] <koen> eFfeM: have a look at http://elinux.org/U-boot_musb_gadget_support#Getting_started
  • [09:24:45] <koen> eFfeM: ignore the nand erase stuff
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  • [09:33:04] <eFfeM> koen, i know about that one, when I said usb support I meant I want to boot from usb mass storage
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  • [09:33:40] <eFfeM> preferably connected to ehci
  • [09:34:05] <XorA> eFfeM: adapt kexeboot and booting from usb-storage is easy
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  • [09:34:20] <eFfeM> and apologies that I response slow, I'm struggling on my other system with another os that seem to take ages
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  • [09:35:28] <eFfeM> XorA, considered that, but didn't really get to that for two reasons, first is that I am a kexecboot n00b and second is that it slows down the boot time even more
  • [09:36:08] <XorA> eFfeM: but if your kernel is in flash, u-boot doesnt need usb-storage support
  • [09:36:10] <ska> I tried and use Koen's Narcissus to build a BB image with Mplayer and BB demo pakages but I get a lot of red crosses... Any suggestion??
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  • [09:36:24] <ska> I forgot... HI all!!
  • [09:36:55] <eFfeM> XorA: I understand; is there a good page on kexecboot ?
  • [09:37:07] <XorA> eFfeM: nope :-(
  • [09:37:37] <eFfeM> feared that, that is why i never explored that option
  • [09:37:37] <XorA> eFfeM: bug if you flashing your kernel root=/dev/sda1 with usb-storage built into kernel should work without kexec
  • [09:38:32] <eFfeM> XorA: true, guess that would be the best solution and maybe even the fastest one wrt boot time
  • [09:39:13] <eFfeM> btw anyone an idea why copying a uImage to the sd fat partition seem to take ages, or is this only me having that problem?
  • [09:42:00] <koen> ska: that should be fixed in a few minutes
  • [09:42:18] <koen> eFfeM: mount -o sync
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  • [09:43:05] <eFfeM> koen, ah, why is that not the default ?
  • [09:43:38] <ska> koen: GREAT!!! :D
  • [09:44:14] <koen> eFfeM: that is the default
  • [09:44:28] <eFfeM> hm, I did not change things
  • [09:44:31] * arp_ (n=arp@59.160.172.220) has left #beagle
  • [09:44:46] * eFfeM is booting his beagle
  • [09:45:10] <eFfeM> will check
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  • [09:53:11] <eFfeM> koen, my mmc is mounted as /dev/mmcblk0p1 on /media/mmcblk0p1 type vfat (rw,sync,fmask=0022,dmask=0022,codepage=cp437,iocharset=iso8859-1)
  • [09:53:58] * Stskeeps (n=chobits@84.238.11.16) Quit (Read error: 110 (Connection timed out))
  • [09:54:26] <eFfeM> now testing date; cp uimage.bin tst; sync; date
  • [09:54:56] <koen> eFfeM: try mount /media/mmcblk0p1 -o remount,async
  • [09:55:02] <XorA> eFfeM: why dot time cp uImage.bin tst
  • [09:55:07] <XorA> s/dot/not/
  • [09:55:18] <koen> eFfeM: but that will mean you'll loose data on powerloss, etc
  • [09:55:35] <XorA> eFfeM: your fs is mounted in sync mode, the sync at the end of command is superflous
  • [09:55:39] <eFfeM> XorA: wanted to do that, but I want to force the sync so all data is written
  • [09:55:45] <jpihet> Hello
  • [09:55:49] <eFfeM> XorA: true :-)
  • [09:55:56] <jpihet> Who should I contact for a U-Boot change?
  • [09:55:59] * Olipro (n=Olipro@uncyclopedia/pdpc.active.olipro) Quit (Nick collision from services.)
  • [09:56:07] <eFfeM> koen with sync it takes ages
  • [09:56:08] * Olipro (n=Olipro@uncyclopedia/pdpc.active.olipro) has joined #beagle
  • [09:56:14] <koen> eFfeM: I know
  • [09:56:18] <eFfeM> jpihet: Wolfgang Denk ?
  • [09:56:33] <eFfeM> koen, but on my desktop system with the same card it is much faster
  • [09:56:34] <XorA> does it really take ages compared to cp + sync on async mounted FS?
  • [09:56:49] <koen> jpihet: or jean-cristophe for arm stuff
  • [09:56:51] <jpihet> Yes sure, but who maintains it specifically for Beagle?
  • [09:56:53] <eFfeM> koen, XorA, I'll privide test data
  • [09:57:19] * XorA hopes async is not truly faster as that would be a horrible kernel bug
  • [09:57:35] <eFfeM> i can also try with sync on my opensuse system
  • [09:58:27] <XorA> eFfeM: the usb cardreaders always perform better then arm boards in my experince
  • [09:59:06] <eFfeM> XorA: I have an internal card reader on my pc, but it could well be that that one is usb as well (can't verify right now)
  • [09:59:46] <eFfeM> i have also some weird problems with kingston sdhc cards, but apparently they are not that good
  • [09:59:55] <XorA> eFfeM: no, they are garbage
  • [10:00:18] * XorA ended up always buying Sandisk after having some much hassle with cheapo knockoffs
  • [10:00:33] * eFfeM thought kingston was an A brand :-(
  • [10:01:19] <eFfeM> XorA, lol, someone at pogoplug told me that they had problems with certain kingstond and sandisk cards and that they internally used the same hw
  • [10:01:42] * drt80 (n=accel@59.95.34.120) has joined #beagle
  • [10:03:04] <mru> I've never had any trouble with kingston or sandisk
  • [10:03:05] <XorA> if I have too much trouble with Sandisk cards i can always go kick their firmware guys in person, their office is 500 yards from my house
  • [10:03:24] * coltox (n=dvogt@actinium.inf.tu-dresden.de) has joined #beagle
  • [10:03:27] <eFfeM> :-)
  • [10:03:51] <eFfeM> mru, apparently it are the sdhc cards that cause troubles, sd ones were ok with me too
  • [10:04:10] <XorA> I had some kingston cards that misadvertised their speeds
  • [10:04:15] <XorA> so they ended up locking up
  • [10:04:16] <mru> I have both sandisk and kingston 8GB cards
  • [10:04:35] <mru> both work fine in the beagle at least
  • [10:04:41] <koen> I have one trancend card, which is pretty decent as well
  • [10:04:45] <koen> the rest is all sandisk
  • [10:04:58] <XorA> I think the problem with kingston is they are a rebadger
  • [10:05:03] <eFfeM> hm, i have two kingston 4gb sdhc cl 6 cards here they both identify as SD4GB and have lots of timeout problems
  • [10:05:32] <eFfeM> guys at openplug had kingston and sandisk cards that identify as SD04G if I recall correctly they also had to add a delay
  • [10:06:13] <koen> eFfeM: the mmc driver in .29 for the plug is $&*@$&*@ broken
  • [10:06:30] <koen> eFfeM: it fails to recognize most cards that work in the beagle with 2.6.29
  • [10:06:38] <XorA> ~curse greasemonkey for not updating to firefox betas
  • [10:07:03] <eFfeM> koen, could be, but actually the beagle driver also seems to have some issues
  • [10:07:12] * PhastPhrog (n=chatzill@194.193.86.112) has joined #beagle
  • [10:07:35] <eFfeM> XorA: no bot here :-) altough I would like one to feed answers to the most common questions
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  • [10:09:40] <florian> good morning
  • [10:09:53] <eFfeM> yo florian
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  • [10:20:40] <eFfeM> my cp command above is still humming along; it now did a little bit more than 1MB of the 2.8 it is about to copy and already is busy for a whoppign 25 minutes
  • [10:26:13] <ska> koen, Narcissus working again!!!
  • [10:26:21] <ska> GREAT!!! :D
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  • [10:43:43] <mib_7k2awi> hi
  • [10:44:23] * drt80 (n=accel@59.95.34.120) Quit (Read error: 104 (Connection reset by peer))
  • [10:44:27] <mib_7k2awi> i have just received the beagleboard can someone point towards how i can setup it
  • [10:44:47] <mib_7k2awi> for example how to setup power and debug connection etc
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  • [11:05:04] <nicky> hello, does there any TI guys?
  • [11:05:08] * greyback (n=greyback@dhcp-892b7b54.ucd.ie) has joined #beagle
  • [11:07:29] <mcgeagh> why
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  • [11:11:39] <ska> With the image built by Narcissus echo 'tv' > /sys/class/display_control/omap_disp_control/graphics does not work.
  • [11:12:08] <ska> How can I redirect output to S-Video?
  • [11:14:12] <koen> ska: check the mailinglist, lots of posts on that
  • [11:14:27] <koen> ska: you seem to be using the docs for the oooooooold TI 2.6.22 kernel
  • [11:14:33] <koen> those don't work for 2.6.29
  • [11:14:56] * elesueur (n=elesueur@120.16.14.235) has joined #beagle
  • [11:16:47] * pro-rsoft (n=prorsoft@unaffiliated/pro-rsoft) has joined #beagle
  • [11:17:09] <pro-rsoft> when I power on my beagle, U5 on my beagle C is getting warm. is that normal?
  • [11:17:22] <adj> how warm?
  • [11:17:34] <pro-rsoft> well not terribly oht
  • [11:17:38] <pro-rsoft> hot*
  • [11:17:52] <pro-rsoft> but immediately when I turn it on, it gets warm
  • [11:18:22] <pro-rsoft> I powered it using an USB cable to the mini-port. The mini-side of the usb cable says "B".
  • [11:19:24] <adj> just "warm" is normal, U5 the energy management chip
  • [11:19:39] <pro-rsoft> uff.
  • [11:19:40] <pro-rsoft> ok thanks
  • [11:20:43] <pro-rsoft> when using serial connection, will connecting just RX, TX and Ground suffice?
  • [11:21:42] <adj> yep (nothing else is connected on the beagle side)
  • [11:21:48] <pro-rsoft> cool.
  • [11:24:23] * lirtex (i=liorc@93-173-189-221.bb.netvision.net.il) Quit (Read error: 104 (Connection reset by peer))
  • [11:25:18] <ska> koen: I have used the image just created by Narcissus........
  • [11:26:54] <pro-rsoft> when minicom shows garbage, could it be that I accidentally switched RX/TX connections?
  • [11:27:11] <mru> no, you're using the wrong rate
  • [11:27:21] <mru> the beagle defaults to 115200 8n1
  • [11:27:22] <pro-rsoft> ok
  • [11:27:28] <mru> no flow control
  • [11:27:33] <pro-rsoft> ah
  • [11:27:38] <pro-rsoft> thats what I forgot to turn off
  • [11:27:44] <pro-rsoft> thanks
  • [11:28:03] <mru> normally leaving flow control on results in no communication at all, not garbage
  • [11:29:28] <pro-rsoft> CPU???C=45 S0=0 L1 V1 X4 &c1 E1 Q0
  • [11:29:32] <pro-rsoft> thats what im getting now
  • [11:30:02] <pro-rsoft> not what I expected, but better than garbage.
  • [11:32:58] <pro-rsoft> what could be wrong?
  • [11:33:08] <pro-rsoft> I used an usb2rs232 conveter
  • [11:33:12] <pro-rsoft> converter*
  • [11:33:15] <ska> koen: Ops, you wrote docs...
  • [11:33:34] <ska> koen: I referred to http://code.google.com/p/beagleboard/wiki/LinuxHints
  • [11:33:49] <ska> koen: I understand they are obsolete
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  • [11:37:42] <koen> sweet, my IR filter arrived
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  • [11:47:38] <greyback> pro-rsoft: I've seen times when uboot's output is corrupted, but the kernel messages are fine. The USB converter was to blame
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  • [12:00:13] <pro-rsoft> greyback, maybe I accidentally connected to the wrong usb port on my pc
  • [12:02:24] <pro-rsoft> no wait I only have one, ttyUSB0
  • [12:02:43] <pro-rsoft> greyback, so I should get a new usb > rs232 converter?
  • [12:03:22] <pro-rsoft> should I connect to my device *before* powering on?
  • [12:03:28] <pro-rsoft> or should I power on my beagle first
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  • [12:08:26] <eFfeM> 2.8 mb copied on mmcblk0p1: a little bit more than 1 hr:
  • [12:08:29] * mranostay (n=mranosta@rrcs-74-219-131-28.central.biz.rr.com) Quit ("This computer has gone to sleep")
  • [12:08:30] <eFfeM> cp uimage.bin tst; sync; date
  • [12:08:30] <eFfeM> Mon May 11 10:53:51 BST 2009
  • [12:08:30] <eFfeM> Mon May 11 11:57:47 BST 2009
  • [12:08:30] <eFfeM> root@beagleboard:/media/mmcblk0p1# ls -l tst
  • [12:08:30] <eFfeM> -rwxr-xr-x 1 root root 2814268 May 11 11:57 tst
  • [12:11:32] <greyback> pro-rsoft: Well it's hard to be certain, but it may be the converter. You don't have access to a pc with a serial port just to do a quick check?
  • [12:11:56] <pro-rsoft> I just might
  • [12:12:04] <greyback> I'd have serial connected to PC, minicom on, then power up the board
  • [12:12:29] <pro-rsoft> ok I'll try that - thanks.
  • [12:12:37] <pro-rsoft> I'll need to rewire my stuff for that. blech
  • [12:13:44] <greyback> Yeah, this is annoying alright. Not all USB-serial converters are made equal. It took me a long time to figure out this
  • [12:13:54] <pro-rsoft> ok
  • [12:13:56] <pro-rsoft> bbl
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  • [12:24:42] <eFfeM> koen, should it really take 1 hr to copy 2.8 M ?
  • [12:25:12] <Crofton|work> from where to where?
  • [12:25:31] <mru> does it matter?
  • [12:25:41] <mru> that's too long anywhere
  • [12:26:07] <mru> unless you're trying to send it to alpha centauri
  • [12:26:13] <Crofton|work> obviously mru never used 300 baud modems ....
  • [12:26:32] <mru> you're right, I didn't
  • [12:26:47] <mru> 2400 is the slowest I've used
  • [12:27:00] <eFfeM> from fat mmc p1 to fat mmc p1
  • [12:27:59] <eFfeM> guess i'll go for another coffee
  • [12:28:14] * AV500 didnt know that mmc uses 2400baud...
  • [12:28:26] * AV500 err 300
  • [12:31:13] <mru> I doubt there's anything that still does
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  • [12:31:39] <XorA> i suspect omap mmc driver has bugs
  • [12:31:47] <mru> hmm, at what rate do the pioneer and voyager probes send data?
  • [12:32:13] <Crofton|work> mru, this is a classic comm problem
  • [12:32:20] <Crofton|work> Eb/N0
  • [12:32:35] <Crofton|work> Eb is not large from spacecraft :)
  • [12:32:41] <mru> I know of shannon's law
  • [12:32:56] <AV500> "Uplink communications is via S band (16-bit/s command rate) while an X band transmitter provides downlink telemetry at 160 bit/s normally and 1.4 kbit/s for playback of high-rate plasma wave data. All data is transmitted from and received at the spacecraft via the 3.7-meter high-gain antenna."
  • [12:33:07] <AV500> http://en.wikipedia.org/wiki/Voyager_program
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  • [12:33:26] <mru> AV500: thanks
  • [12:33:33] <vapula> hi, where is the best place to get a beagleboard within weeks ?
  • [12:33:42] <Crofton|work> vapula, where are you?
  • [12:33:45] <vapula> Digi-Key lists a lead time of July...
  • [12:33:46] <vapula> France
  • [12:33:50] <mru> digikey is the *only* place afaik
  • [12:33:55] <mru> unless you're in india
  • [12:33:58] <Crofton|work> the digikey lead times are usually wrong
  • [12:33:59] <AV500> vapula: : there is one on my desk
  • [12:34:09] <Crofton|work> check on the ml
  • [12:34:24] <vapula> AV500: right, so where are you, I'm coming right away :)
  • [12:34:32] <vapula> Crofton|work: ok, that's good news then
  • [12:34:46] <vapula> thx
  • [12:35:03] <AV500> vapula: Allemagne
  • [12:35:25] <AV500> vapula: I give you me revB, you order a revC for me, I can wait
  • [12:36:23] <mru> I'll sell you my limited edition rev CP for 1000 euros ;-)
  • [12:37:17] * elesueur (n=elesueur@120.16.14.235) Quit (Read error: 60 (Operation timed out))
  • [12:37:19] <Crofton|work> I have a rev A5 (plus mods) for 2000 euros!
  • [12:37:49] <vapula> found on the ml. If they had 100 by beginning of April, unless this really sells well, they should still have some (well, one) for me :)
  • [12:37:51] * nicky (n=chatzill@222.66.141.242) Quit ("ChatZilla 0.9.84 [Firefox 3.0.10/2009042316]")
  • [12:38:06] <AV500> vapula: well, they sell rather well.
  • [12:38:24] <AV500> you can also ask them: http://www.ebv.com/index.php?id=102&no_cache=1&tx_ebvproductfe_pi1%5Buid%5D=456
  • [12:38:46] <AV500> it is revC en bleu
  • [12:38:56] <ska> Hi all. Procedure "Test DVI and S-Video Interfaces by streaming a Video File" as decribed in http://code.google.com/p/beagleboard/wiki/BeagleboardRevCValidation produces a black square on s video (over the image of a keyboard...) with a Narcissus distribution: any idea?
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  • [12:45:47] <ska> By removing the "Beagleboard demo" option I can now see the video, full screen!!!
  • [12:46:09] <ska> Can someone explain these strange behaviours???
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  • [12:56:07] <eFfeM> are we selling limited edition boards here? I have a C2 without the text Beagleboard.org on it ? anyone more than 5 K eur ?
  • [12:57:33] <pro-rsoft> greyback, w00t. it w000rks with a real serial port
  • [12:57:59] <greyback> pro-rsoft: Excellent. Dodgy usb-serial adapter so.
  • [12:58:45] <eFfeM> my usb to serial has sometimes problems with xp, gives bsod, el cheapo ebay thing based upon ark chipset
  • [12:58:50] <eFfeM> works fine under linux tho
  • [13:01:03] <pro-rsoft> greyback, actually I used my arduino for it :)
  • [13:01:30] <greyback> pro-rsoft: that's thinking out of the box
  • [13:01:44] <pro-rsoft> anyways thanks for the help
  • [13:02:18] <pro-rsoft> greyback, I had to plug this into my server and connect to it via SSH. Are there any usb2rs232 converters out there that work?
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  • [13:03:04] <greyback> pro-rsoft: I believe there are, but I don't have a list to hand. Maybe other ppl here can recommend one?
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  • [13:05:07] <mru> pro-rsoft: prolific pl2303 based ones seem to work
  • [13:05:26] <koen> keyspan ones as well
  • [13:05:46] <pro-rsoft> ok thanks
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  • [13:30:10] <pro-rsoft> how big should the fat32 partition on my sd card be?
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  • [13:43:22] <pro-rsoft> do I need to set anything if I want to use svideo instead of DVI?
  • [13:43:46] <pro-rsoft> I dont have a dvi monitor handy
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  • [13:49:04] <pro-rsoft> how big should the fat32 partition on my sd card be?
  • [13:50:46] <mru> pro-rsoft: for s-video you need to set your expectation to low ;-)
  • [13:50:57] <pro-rsoft> really?
  • [13:51:17] <pro-rsoft> why
  • [13:51:35] <mru> s-video image quality isn't very good
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  • [13:51:42] <pro-rsoft> ok - but will it works?
  • [13:51:46] <pro-rsoft> Can I access a terminal?
  • [13:51:50] <mru> of course
  • [13:51:52] <pro-rsoft> good.
  • [13:52:03] <pro-rsoft> I mean, not like angstrom has anything graphical by default does it?
  • [13:52:11] <mru> sure it does
  • [13:52:17] <pro-rsoft> it does? cool.
  • [13:52:31] <mru> should come with a "complete" desktop
  • [13:52:45] <pro-rsoft> ah
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  • [13:52:54] <pro-rsoft> are there any barebones distros?
  • [13:53:05] <pro-rsoft> or.. I could install any distro that runs on ARM right?
  • [13:53:10] <mru> you can build whatever you want with openembedded
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  • [13:53:16] <pro-rsoft> ah
  • [13:53:30] <mru> I think the latest ubuntu release supports arm too
  • [13:53:33] <pro-rsoft> debian has an ARM download. Could I use it?
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  • [13:53:49] <mru> you could, but it's not recommended
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  • [13:54:06] <mru> debian/arm is built for armv4 with softfloat
  • [13:54:11] <pro-rsoft> ok
  • [13:55:14] <mru> I run a cross-compiled gentoo on my beagles
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  • [14:04:29] <pro-rsoft> how big should the fat32 partition on my sd card be?
  • [14:05:47] <eFfeM> depends on what you put on it, kernel+u-boot+mlo is probably 3 MB, suggest to go for 50 MB or so
  • [14:05:55] <pro-rsoft> ok. thanks
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  • [14:11:34] <koen> sakoman_: http://www.flickr.com/photos/koenkooi/3521539217/ :)
  • [14:12:48] <sakoman_> koen: I love the packaging! :-)
  • [14:13:32] <pro-rsoft> how big should my angstrom partition be?
  • [14:13:32] <pro-rsoft> I only have an 128 MB sd card
  • [14:13:32] <pro-rsoft> I just blew up my 512 one by unplugging it while writing to disk
  • [14:13:34] <eFfeM> :-)
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  • [14:14:12] <eFfeM> wrt my mmc copying problems: apparently this is fat related; a copy on the ext partition followed by a sync is only a matter of seconds
  • [14:14:31] <eFfeM> do others also have that fat copying is sloooooow, or is this somethign with my partition or so
  • [14:14:54] <XorA> koen: your webcam looks like a toilet :-)
  • [14:15:44] <AV500> eFfeM: ahh, yes, you have to tell the kernel to not chack free space an each fat mount
  • [14:15:52] <AV500> s/chack/check
  • [14:16:35] <eFfeM> AV500: is does not mount during the copy I hope, if it is mounted and I do a cp uimage tst on the fat partition it takes > 1 hr
  • [14:16:52] <AV500> well, it should not take 1hg
  • [14:16:53] <AV500> well, it should not take 1h
  • [14:17:31] <AV500> what changed last year or so is that linux no longer trust the free space info of FAT as vista seems to not write it correctly any more
  • [14:17:58] <AV500> this means that before any access to the fs, linux will scan the whole FAT to get free space
  • [14:18:26] <SoulBlade> yea vista!
  • [14:18:47] <eFfeM> every access to fs? or every mount ?
  • [14:19:06] <AV500> once per mount, but not triggered by the mount itself, only later
  • [14:19:13] <AV500> like a "df" that needs free space
  • [14:19:45] * dcramer (n=davec@dcdsl.ebox.com) Quit ()
  • [14:19:52] <AV500> so you can check how long a "df" takes after you mount
  • [14:20:06] <eFfeM> ok, but i can access the partition and do an ls on it, after that copying still takes 1 hr and if I look from another terminal I see that the file growth is linear in time
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  • [14:20:12] <pro-rsoft> any linux distro for beagle that doesnt come with gnome, etc?
  • [14:20:19] <AV500> eFfeM: strange then
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  • [14:20:43] <eFfeM> wondering if it is something in the partition
  • [14:20:53] <eFfeM> no one else has this?
  • [14:20:59] <XorA> eFfeM: you could fsck.msdos ir
  • [14:21:01] <XorA> it
  • [14:21:10] <eFfeM> what is the best way to format the partition? under unix or xp
  • [14:21:37] <AV500> should not make much of a difference
  • [14:21:49] <eFfeM> which package gives fsck.mkfs ?
  • [14:22:00] <eFfeM> fsck.msdos
  • [14:22:28] <adj> dosfstools
  • [14:22:36] <AV500> no idea, I use my Linux PC :-)
  • [14:23:15] <eFfeM> adj: tnx
  • [14:23:20] <eFfeM> AV500: i normally do too
  • [14:25:07] <eFfeM> fsck.msdos -f /dev/mmc*p1: no errors reported, fat32, lfn, 7 files, 17k of 237k clusters used
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  • [14:26:15] <AV500> eFfeM: and you can confirm that is is due to FAT? e.g. writing to the raw partion is fat?
  • [14:26:21] <AV500> eFfeM: and you can confirm that is is due to FAT? e.g. writing to the raw partition is fat?
  • [14:27:53] <tor2> AV500: Is there a mount option to disable the space-checking feature?
  • [14:28:00] <AV500> "usefree"
  • [14:28:01] <eFfeM> well, when i write to mmcblk0p2 which is ext3 it only takes a few seconds
  • [14:28:02] * tor2 does't and won't use any Vista
  • [14:28:13] <tor2> AV500: Thanks
  • [14:28:15] <eFfeM> p1 is mounted as vfat
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  • [14:28:54] <AV500> tor2: http://www.mail-archive.com/linux-usb-devel@lists.sourceforge.net/msg56503.html
  • [14:29:02] <jotroick> HI, somebody know how control Ubuntu to console on BB
  • [14:29:21] <tor2> AV500: Thanks for the link.
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  • [14:39:52] <eFfeM> how long does it take for you guys to copy a kernel onto the mmc vfat partition?
  • [14:40:31] * tsjsieb (n=tsjsieb@dejongbeheer.nl) Quit ("good night")
  • [14:43:31] <jotroick> maybe 5 min
  • [14:43:43] <jotroick> excuse I need QT on BB
  • [14:43:51] <jotroick> somebody can help me?
  • [14:45:46] <eFfeM> jotroick: thanks (and sorry, no QT knowledge here)
  • [14:45:53] <eFfeM> that is: with me
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  • [14:51:01] <fpu5h2> has anyone tried dss2 on a evm?
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  • [15:00:59] <mru> fpu5h2: should work
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  • [15:05:18] <fpu5h2> mru: i am trying to display a yuv file to /dev/fb1, i dont know how to do it
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  • [15:05:55] <pro-rsoft> could I put the kernel on an sd-card but the filesystem on an usbstick?
  • [15:06:10] <mru> pro-rsoft: certainly
  • [15:06:15] <pro-rsoft> cool.
  • [15:06:19] <pro-rsoft> /dev/sda would that be then?
  • [15:06:26] <XorA> pro-rsoft: thats what eFfeM was talking about earlier
  • [15:06:29] <pro-rsoft> ah
  • [15:06:51] <pro-rsoft> does it support ext4?
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  • [15:08:02] <fpu5h2> i see that most of the entries within /sys/devices/platform/omapfb/graphics:fb1/ are 0, like bits_per_pixel
  • [15:09:21] <fpu5h2> also overlays show: vid1 t:lcd x:0 y:0 iw:0 ih:0 w:0 h:0 e:0 do i need to set all thos for it to work?
  • [15:12:56] <pro-rsoft> is the current angstrom tar.bz2 corrupt?
  • [15:12:57] <pro-rsoft> I keep getting:
  • [15:12:58] <pro-rsoft> tar: Error exit delayed from previous errors
  • [15:13:21] <pro-rsoft> no its not corrupt I redownloaded a few times
  • [15:13:51] <koen> pro-rsoft: did you extract it as root?
  • [15:13:54] <pro-rsoft> no
  • [15:13:59] <koen> pro-rsoft: and did you record said previous errors?
  • [15:14:11] <pro-rsoft> nope I should probably rerun without -v
  • [15:14:14] <pro-rsoft> I'll try as root
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  • [15:18:33] <pro-rsoft> koen, root worked, thanks
  • [15:20:56] <mru> koen: you have a leopardboard, right?
  • [15:28:02] <pro-rsoft> is it /dev/sda1 ?
  • [15:28:26] <pro-rsoft> for usb stick
  • [15:31:41] <pro-rsoft> yay it works
  • [15:31:44] <pro-rsoft> awesome.
  • [15:34:46] <jpihet> sakoman_
  • [15:34:53] <jpihet> sakoman_: ping
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  • [15:40:42] <pro-rsoft> so, is it possible to switch to s-video with angstrom?
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  • [15:46:28] <koen> mru: yes
  • [15:46:38] * koen headdesks
  • [15:46:51] <koen> googling for an application called 'fbi' isn't helpfull
  • [15:47:19] <mru> hehe
  • [15:47:41] <XorA> :-D
  • [15:48:22] <koen> XorA: good thing I didn't add abi 2.7.0: http://abisource.com/changelogs/2.7.1.phtml
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  • [15:50:07] <sakoman_> jpihet: pong
  • [15:50:09] <koen> for the recored: http://linux.bytesex.org/fbida/
  • [15:50:55] <mru> koen: is there any documentation/code for the mpeg/jpeg accelerator on the dm355?
  • [15:51:52] <XorA> koen: runaway development :-)
  • [15:51:53] * suihkulokki 's favourite poorly named OSS software is "webcam"
  • [15:52:03] <koen> mru: poke ddompe for that, he's the resident dm355 expert
  • [15:52:33] <koen> mru: ridgerun has dm355 m(j)peg stuff running on something newer than 2.6.10 :)
  • [15:52:50] <ddompe> good morning koen
  • [15:52:57] <ddompe> hi mru: yes there are docs for the codecs
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  • [15:53:03] <koen> buenas dias ddompe
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  • [15:53:08] <ddompe> they are xDM (running on the ARM side with the accelerator
  • [15:53:16] <mru> ddompe: docs for the hardware or docs for TI-supplied software?
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  • [15:54:00] <ddompe> both, the former better than the later
  • [15:54:02] * XorA is now known as XorA|gone
  • [15:54:12] <ddompe> the hardware isn't programmable for people outside TI
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  • [15:54:43] <mru> ddompe: all could find in TI docs was a memory range
  • [15:55:04] <mru> and a single sentence claiming it supports jpeg and mpeg4
  • [15:55:07] <koen> ddompe: TI calling the dma thing imx wasn't so smart either :)
  • [15:55:29] <ddompe> imx is actually an image co-processor
  • [15:55:35] <ddompe> is called the same on the DSP side
  • [15:55:52] <koen> it can do more than image stuff AIUI
  • [15:56:22] <ddompe> if you had a compiler for it, but you don't
  • [15:57:03] * koen heard rumours about getting docs out for imx, but that's a long time ago
  • [15:57:16] <ddompe> mru: I think the documentation for the iMX is not public
  • [15:57:20] <ddompe> koen: right
  • [15:57:24] <ddompe> we have the docs for the imx
  • [15:57:34] <mru> what's the imx?
  • [15:57:35] <ddompe> but can't redistribute
  • [15:57:51] <ddompe> mru: the MJCP (or the hardware accelerator of the DM355)
  • [15:58:11] <ddompe> is a short TI uses for "image coprocessor"
  • [15:59:02] <Pavlov> can i do jpeg decoding with that?
  • [15:59:11] <ddompe> Pavlov: yes
  • [15:59:27] <Pavlov> any idea what the perf is there?
  • [15:59:31] <Pavlov> vs in software?
  • [15:59:35] <ddompe> mru: btw, there is a leopardboard channel. Maybe is a best place to go over that
  • [15:59:42] <ddompe> Pavlov: abismal....
  • [15:59:44] <Pavlov> for whole image at a time to scaled rgb?
  • [15:59:45] <Pavlov> heh
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  • [15:59:51] <Pavlov> really? :/
  • [15:59:58] <ddompe> DM355 is an ARM9
  • [16:00:10] <Pavlov> ah
  • [16:00:13] <Pavlov> weaksause
  • [16:00:27] <ddompe> that means division in software....
  • [16:00:31] <ddompe> at 200 Mhz
  • [16:00:48] <ddompe> render a thumbnail for 800x600 takes like 3 secs
  • [16:00:51] <koen> yeah
  • [16:00:58] <koen> it makes you want a 600MHz cortex :)
  • [16:01:36] <koen> Pavlov: it was intended for digicams, so anything that isn't snapshot or videostreaming is abysmal
  • [16:01:43] <Pavlov> ah yeah
  • [16:01:44] <mru> what does division have to do with it?
  • [16:02:09] <Pavlov> old non-10mp digicams i guess
  • [16:02:14] <ddompe> mru: well, some graphics ops need division
  • [16:02:49] <mru> only armv7-r has integer division
  • [16:03:47] * denix (n=denys@nat/ti/x-5b45760a399a7181) has joined #beagle
  • [16:04:01] <denix> hi
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  • [16:04:48] <denix> koen: ping
  • [16:05:22] <koen> denix: pong
  • [16:05:24] <pro-rsoft> will the "armel" build of Ubuntu work?
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  • [16:05:55] <mru> ddompe: any graphics codec that needs division is poorly designed
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  • [16:06:14] <denix> koen: I got disconnected over the weekend - did you find the answer for curl problem?
  • [16:06:20] <koen> denix: nope
  • [16:06:24] <mru> ddompe: several microsoft codecs need division in inner loops
  • [16:06:35] <denix> koen: ok, 1 sec
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  • [16:07:06] <koen> denix: the fix needs to go into the stable/2009 branch :)
  • [16:07:07] <ddompe> mru: well, I'm not expert on codec implementation and design (I just hack them)
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  • [16:08:08] <mru> in all the years I've been working on ffmpeg, I don't think I've used a single division in speed-critical code
  • [16:08:12] <denix> koen: as long as you are building an sdk...
  • [16:08:29] <denix> koen: I'll send it to the list for stable
  • [16:08:45] <koen> denix: yes, I was trying to build sdks for a few targets
  • [16:08:50] <denix> koen: btw, this one - http://cgit.openembedded.net/cgit.cgi?url=openembedded/commit/&id=5c69bdef4ca0d8413477db32cc82b82395806504
  • [16:09:34] <koen> denix: could you send that to the list to get into stable?
  • [16:09:43] <denix> sure
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  • [16:22:34] * koen looks cpan crawl through a gazillion modules on his overo
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  • [17:05:21] <RichiH> are there any cases for beagle boards?
  • [17:05:37] <koen> RichiH: specialcomp.com
  • [17:05:58] <koen> RichiH: but a few seconds of googling (or plainly looking at beagleboard.org) would have told you that
  • [17:06:26] <RichiH> i looked *shrug*
  • [17:06:29] <RichiH> but thanks :)
  • [17:08:01] <eFfeM> at www.elinux.org/BeagleBoard ?
  • [17:08:05] <eFfeM> and the faq ??
  • [17:08:26] <koen> mru: is there a quick way with devmem2 to check whether or not cache is enabled?
  • [17:08:36] <cradek> what a neat little case
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  • [17:13:13] <mru> koen: no, you need to read the control registers for that
  • [17:13:20] * mcgeagh (n=McGeagh@xbmc/staff/mcgeagh) Quit ("Leaving")
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  • [17:14:26] * RichiH likes that usb hub http://specialcomp.com/beagleboard/C2.htm :)
  • [17:14:57] <RichiH> up to now, i used those: http://dealextreme.com/details.dx/sku.13526
  • [17:18:29] <AV500> hmm, there's one cable to much there, why not attach the hub to the EHCI and power the BB via the OTG?
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  • [17:23:30] <eFfeM> is anyone aware of a usb wifi dongle that supports hostap (so I can give access point functionality to my beagle)?
  • [17:23:47] <eFfeM> (or a simple way to add a mini-pci card; two left hands here :-) )
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  • [17:32:02] <n6pfk> I have debian arm runnig but I can't change the X resolution. Any ideas?
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  • [17:42:08] <pro-rsoft> How to install a C compiler on angstrom?
  • [17:43:40] <koen> opkg install gcc
  • [17:44:02] <pro-rsoft> I assume that requires an internet connection?
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  • [17:47:43] <pro-rsoft> since I have no internet connection
  • [17:47:51] <pro-rsoft> beagle board doesnt like my usb 2.0 hub
  • [17:48:29] * jconnoll1 is now known as jconnolly
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  • [18:03:21] <pro-rsoft> will ubuntu's armel build work on beagle?
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  • [18:03:47] <bobkatzz> can I connect to the internet from BB through my host computer?
  • [18:03:55] <bobkatzz> by USB?
  • [18:04:07] <pro-rsoft> most likely an usb ethernet controller
  • [18:04:34] <hiredman> I am interested in the beagle board for running jvm apps, but I am not interested in endless image building and flashing, how easy is it to just get a minimal linux+X+java running?
  • [18:04:43] <bobkatzz> ok - so I can't use my host as a gateway?
  • [18:05:01] <keesj> How many beagleboard really did get broken?
  • [18:05:10] <pro-rsoft> hiredman, not hard if you use the Angstrom demo images
  • [18:05:14] <mru> broken?
  • [18:05:15] <pro-rsoft> dunno about java
  • [18:06:14] <ds2> morning
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  • [18:06:16] <keesj> bobkatzz: sure you can , specialy if you have linux on the host system
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  • [18:08:01] <duaneb> is there a manual for the beagle board processor?
  • [18:08:04] <duaneb> And rom, for that matter?
  • [18:10:27] <carlnorum> duaneb, you can download the OMAP 3530 spec from TI's web page
  • [18:10:32] * ceyusa (n=ceyusa@91.117.99.155) Quit ("Ex-Chat")
  • [18:10:34] <carlnorum> duaneb, all 3500+ pages of it
  • [18:13:02] <duaneb> I just want a reference for the mmu
  • [18:13:04] <duaneb> :P
  • [18:13:14] <carlnorum> duaneb, that's in there
  • [18:13:26] <carlnorum> duaneb, for the MMU I like the ARM documentation better
  • [18:14:37] <duaneb> k
  • [18:14:39] <duaneb> thanks
  • [18:14:42] <duaneb> I'll look it up...
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  • [18:14:54] <duaneb> and the rom?
  • [18:15:00] <duaneb> is there documentation on the rom?
  • [18:19:38] <carlnorum> duaneb, I didn't look too much (the docs are HUGE), but the boot spec is definitely in there. I guess the ROM being a ROM, that should be good enough.
  • [18:22:59] <duaneb> Oh, I see
  • [18:26:27] <pro-rsoft> would ubuntu's official armel build work on beagle?
  • [18:27:41] <bobkatzz> sorry - kessj - I was off researching same - ok - yes I have Ubuntu running through VMWare on my XP box
  • [18:27:56] <mru> it's well-documented how the boot ROM loads the next stage
  • [18:27:59] <bobkatzz> - keesj < - - - that is
  • [18:28:45] <carlnorum> So, any clock tree and/or USB folks out there today? I still can't read the ULPI registers, even after getting PLL5 set up for 120 MHz and passing it through everywhere I thought was necessary.
  • [18:28:47] <mru> ubuntu should work on beagle
  • [18:28:54] <pro-rsoft> mru, cool, thanks
  • [18:28:57] <kblin> pro-rsoft: no
  • [18:29:04] <mru> if they include the proper kernel
  • [18:29:21] <mru> if not, all userspace should work if you supply your own kernel
  • [18:29:23] <pro-rsoft> how can I check
  • [18:29:28] <kblin> pro-rsoft: but the inofficial kernel makes stuff work
  • [18:29:33] <pro-rsoft> ok
  • [18:30:03] <pro-rsoft> this page: http://elinux.org/BeagleBoardUbuntu tells me something about gcc settings
  • [18:30:13] <pro-rsoft> that page is generally very unclear. what do they mean about those gcc settings
  • [18:30:16] <kblin> pro-rsoft: I've got a B6 board running 9.04 here.. so far I'm mostly happy with it
  • [18:30:27] <pro-rsoft> cool.
  • [18:30:51] <kblin> dunno, I skipped that part and went right on to the installation part
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  • [18:30:58] <pro-rsoft> cool, ok
  • [18:31:09] <pro-rsoft> its still busy running that script. darn it takes long
  • [18:31:23] <pro-rsoft> dont tell me it still has to compile everything after it "Configured" everything
  • [18:31:31] <kblin> no
  • [18:31:38] <pro-rsoft> cool
  • [18:31:52] <kblin> it just installs ubuntu-armel under qemu :)
  • [18:32:04] <pro-rsoft> ah
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  • [18:33:24] <kblin> so far my only issue is that the OTG port can't handle real disk activity and networking at the same time
  • [18:33:37] <pro-rsoft> oh.
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  • [18:33:44] <pro-rsoft> the OTG port being the normal USB port, not the mini one?
  • [18:34:00] <keesj> bobkatzz: http://wiki.maemo.org/USB_networking look at Configuring the host as a gateway
  • [18:34:01] <kblin> the rev Bs only have the mini one
  • [18:34:03] <mru> otg is the mini-connector
  • [18:34:05] <pro-rsoft> ok
  • [18:34:26] <kblin> I don't have a rev C
  • [18:34:30] <bobkatzz> keesj - thanks I'll go take a look
  • [18:34:31] <pro-rsoft> I had an usb 2.0 hub with an usb wifi card in it and an usb dongle
  • [18:34:47] <pro-rsoft> the usb dongle contained linux angstrom. which booted but every second it threw errors about usb
  • [18:35:04] <Crofton|work> has anyone made any notes of running dsplink examples on the beagle (especially for Angstrom)?
  • [18:36:42] <koen> Crofton|work: the TI folk have :)
  • [18:36:59] <Crofton|work> well, did they put them on a public wiki?
  • [18:37:31] <Crofton|work> I owe a guy an email and write know it will be bitbake codec-engine and look for the dsplink bits
  • [18:38:43] <kblin> pro-rsoft: so far I've tried debian and ubuntu, both work pretty well, apart from the network croaking when I use an USB drive on the same hub
  • [18:39:13] <pro-rsoft> kblin, ah, okay. Could I be experiencing the same problem as you in my Angstrom install?
  • [18:39:59] <kblin> maybe, I haven't really looked into this issue more
  • [18:40:13] <kblin> I just got a bigger SD card :)
  • [18:40:55] <bobkatzz> would the procedure be the same for making a bootable Unbuntu SD as it is for the Angstrom demo (except for the Angstrom file system that is)?
  • [18:41:09] * Crofton|work hurls after reading codec engine recipe
  • [18:42:15] * _gm___ (n=_gm_@190.173.84.242) Quit (Read error: 60 (Operation timed out))
  • [18:42:36] <bobkatzz> that is - make a dual partition SD card and then untar the Ubuntu file system onto it?
  • [18:42:38] <ds2> Crofton|work: is it worse then thesgx recipe?
  • [18:42:45] <Crofton|work> heh
  • [18:42:53] <Crofton|work> I haven't compared them :)
  • [18:43:18] <ds2> login to myti,download it, place it in theright place, run bitbake that unpacks and repacks it
  • [18:48:25] <duaneb> wait, so let me make sure I understand this:
  • [18:48:39] * jsync (n=jess@144.190.201.250) Quit (Read error: 110 (Connection timed out))
  • [18:48:45] <duaneb> if the bootloader code on memory (non-rom) is fried, I can execute OTHER boot code via USB or serial?
  • [18:49:18] <ds2> you talking about in OMAP3 in general or beagle?
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  • [18:50:40] <duaneb> Beagle
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  • [18:50:59] <koen> Crofton|work: and realize that is was *far* worse before the OE patches got upstream
  • [18:51:07] <Crofton|work> :)
  • [18:51:21] <ds2> duaneb: yes
  • [18:51:30] <Crofton|work> They do not mention what mem= kernel arg needs to be
  • [18:51:31] <koen> Crofton|work: having the configuro perl script included is really nifty
  • [18:52:04] <ds2> didn't the bridge folks fix it so the mem= is not needed?
  • [18:52:15] * Sajesh (n=sajesh@nat/ti/x-af6be76911463850) Quit (Client Quit)
  • [18:52:58] <koen> ds2: yes, but link isn't fixed yet
  • [18:53:14] <ds2> ah I see
  • [18:53:28] <ds2> koen: do you have both link and bridge in OE now?
  • [18:53:32] <koen> no
  • [18:54:00] <koen> the bridge people only want to fork stuff, so the bridge stuff stays in their special little OE fork
  • [18:54:14] * montamer (n=montamer@203.199.213.3) Quit (Read error: 110 (Connection timed out))
  • [18:54:16] <ds2> but isn't bridge in L-O now?
  • [18:54:23] <koen> I'd gladly accept patches, but WTBU isn't of the sharing kind
  • [18:54:28] <koen> ds2: no it isn't
  • [18:54:38] <ds2> not even KH's PM branch?
  • [18:54:52] <koen> ds2: I've suggested they get bridge into the staging tree (like the android stuff)
  • [18:54:56] <ds2> one of the pages explaining all thus alluded to bridge being in there
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  • [18:55:13] <ds2> oh
  • [18:55:16] <koen> ds2: it's the other way around, bridge requires the PM branch
  • [18:55:31] <ds2> I see
  • [18:56:10] <ds2> koen: did I mis read Felipe C's elinux.org page or is therethe usual differences of opinions floating around?
  • [18:56:35] <koen> I didn't read that wiki
  • [18:56:40] <ds2> his page almost suggests that bridge is in there
  • [18:56:43] <ds2> Oh
  • [18:57:06] <koen> and I'm not interested in bridge anyway, I get much better support from the link people
  • [18:57:29] <ds2> well, his page sort of bad mouths link as being the furtherest away from Linux coding standards
  • [18:57:32] <koen> if only that *#(@*$(@$(*@($ memory mapping atrocity would get fixed in link
  • [18:57:44] * mru doubts it will
  • [18:57:54] <mru> because link is meant to work on mmu-less devices
  • [18:58:17] <ds2> what about getting numa to carve out a window so in the short term we don'tloose 50% o the memory?
  • [18:58:26] <bobkatzz> koen - still working with the gnuradio image from your page - got it to set up - dd'd the image and untarred the file system but it still won't boot - so I'm trying to do my own (Angstrom demo ) from scratch so I can see how everything works
  • [18:58:28] <mru> I wonder why they even bothered putting the mmu there
  • [18:59:06] <ds2> mru: thought link was from davinci which all seem to have MMUs
  • [18:59:10] <koen> ds2: 75%, 512MiB PoPs are sampling :)
  • [18:59:24] <mru> some really old davinci chips apparently don't have one
  • [18:59:26] <mru> or a very limited one
  • [19:00:00] <mru> well, that's what TI people tell you
  • [19:00:29] <ds2> that almost suggests there was an ARM7 based davinci at one point?
  • [19:00:48] <koen> ds2: mmu on the dsp side, not the arm side
  • [19:00:58] <ds2> OHHH
  • [19:01:33] <ds2> in that case, why not just treat that as IO memory and NUMA around it like x86's do
  • [19:01:48] <ds2> like that 384K chunk
  • [19:02:03] <ds2> or sometimes the 15M boundry chunk
  • [19:02:26] <koen> ds2: like this http://www.youtube.com/watch?v=60og9gwKh1o ?
  • [19:02:41] <bobkatzz> can I format one partition of an SD without affecting the other partition? (I just want to replace the boot files not the Linux file system)
  • [19:03:28] <ds2> koen: sure
  • [19:03:41] <ds2> see definition of "partition"
  • [19:04:03] <mru> why can't link use a chunk of the top of physical ram?
  • [19:04:11] <mru> why does it have to sit just below 128M?
  • [19:04:26] <ds2> maybe the DSP lacks address lines?
  • [19:07:08] * valhalla (n=valhalla@81-174-24-87.dynamic.ngi.it) Quit ("Leaving")
  • [19:08:24] <mru> it has a friggin mmu!
  • [19:08:39] <mru> at least use it to map that flat chunk where the dsp code wants it
  • [19:09:35] <mru> and it's not a lack of address lines
  • [19:09:44] <duaneb> anyone have any experience with the i686?
  • [19:09:49] <duaneb> enough to compare it to NEON?
  • [19:09:50] <mru> lots of physical addresses have the top bit set
  • [19:09:55] * lifeeth (n=praneeth@unaffiliated/lifeeth) Quit (Remote closed the connection)
  • [19:10:19] <mru> e.g. ram starts 1<<31
  • [19:10:41] <bobkatzz> ds2 (easier to just try it ) I can always start over from scratch B^)
  • [19:10:47] <mru> duaneb: a modern intel cpu is of course much faster
  • [19:13:38] <carlnorum> Hey guys, I must be missing something pretty fundamental. I can't seem to access the System Control Module registers (0x48002000). I'm just getting a data abort - is there some clocking or power management missing here?
  • [19:14:07] <mru> carlnorum: how are you trying to access those?
  • [19:14:14] <carlnorum> mru, via debugger right now
  • [19:14:16] * KosiNuss (n=tom@R3c4b.r.pppool.de) Quit (Remote closed the connection)
  • [19:14:22] <mru> jtag?
  • [19:14:35] <carlnorum> mru, yeah. RealView ICE + RVD
  • [19:14:52] <carlnorum> I want to check the pin mux for the USB transceiver reset line
  • [19:14:59] <carlnorum> since it's not reading back what I think it should be
  • [19:15:07] <carlnorum> but I can't access the registers at all
  • [19:15:12] <duaneb> mru: Well, I mean in terms of proportion
  • [19:15:32] <duaneb> how much speedup does NEON give over regular fpu
  • [19:15:46] <mru> neon is a vector unit, not an fpu
  • [19:16:06] <duaneb> mru: I understand that
  • [19:16:12] <duaneb> mru: but...
  • [19:16:20] <duaneb> Oh, is it an integral vector unit?
  • [19:16:28] <mru> both int and float
  • [19:17:32] <duaneb> mru: so it IS a fpu
  • [19:17:54] <mru> that's not an accurate statement
  • [19:18:04] <duaneb> mru: well, forget about the technicalities
  • [19:18:05] <mru> it's an integer and floating point vector processor
  • [19:18:52] <duaneb> is an operation working on 8-byte vector of two 32-bit floats sped up much?
  • [19:19:46] <mru> vector operations are fully parallel
  • [19:20:37] <duaneb> mru: so, in operations / 32-bit float / second is approximately double that of a fpu?
  • [19:20:39] <duaneb> huh
  • [19:20:42] <duaneb> that's good to hear
  • [19:21:12] <mru> assuming your algorithms are parallelisable to that extent
  • [19:21:51] <duaneb> mru: well, that's my problem
  • [19:21:59] <duaneb> assuming the algorithm, that speedup is there
  • [19:29:33] <Crofton|work> awesome the PMIC on the Overo has a vibrator H-bridge
  • [19:30:13] * flo_lap is now known as florian
  • [19:30:15] <Crofton|work> insert bad joke here
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  • [19:33:58] <carlnorum> ok lunchtime for me - I'll check in in an hour or so
  • [19:38:38] <bobkatzz> Crofton - no matter what I do the basic BB demo SD works fine but I cannot get koen's image (magick) to boot - says it can't read the uImage.bin - the only difference I see is that in the demo (that works) it mentions that it sees "board revision C" ?? any thoughts?
  • [19:39:10] <Crofton> did the name of u-boot or uImage change at some point?
  • [19:39:22] <bobkatzz> nope
  • [19:40:06] * _gm___ (n=_gm_@190.173.91.113) Quit (Read error: 104 (Connection reset by peer))
  • [19:40:13] <bobkatzz> but i thought I'd take one more shot at it before starting all over - as I said the other one that I did like 15 minutes after unpacking my BB works fine
  • [19:40:27] <SoulBlade> has anybody seen errors with omapfbplay - specifically error allocating frame buffers (approx 64MB total)
  • [19:41:51] <bobkatzz> I'm going to follow the partitioning and reformatting from scratch and see if I can do that
  • [19:42:35] <bobkatzz> because ultimately I'm going to have to run Ubuntu on it anyway
  • [19:43:23] <bobkatzz> so that will be good practice. I was hoping that I could write a nice wiki for koen's process though - I think it's pretty kewl - if I could get it to work
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  • [19:45:17] <Crofton|work> I can't check right now, but you might try the kernel as uImage not uImage.bin
  • [19:45:18] * mib_67s371 (i=c05b4b1d@gateway/web/ajax/mibbit.com/x-274af3023cc23571) Quit (Client Quit)
  • [19:45:25] <Crofton|work> something is stuck in my mind ....
  • [19:47:50] <bobkatzz> well there are a lot of symlinks in the book folder on the file system side of the card so I did try renaming it when it didn't work - found that on a forum somewhere
  • [19:48:02] <bobkatzz> boot <-- not book
  • [19:48:52] <bobkatzz> but it didn't make any diff - think I'll try re-dd-ing it - it might have gotten corrupted during the transfer
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  • [20:03:47] <bobkatzz> (re-dd-ing) B^) - I never give up
  • [20:04:02] <Crofton|work> heh
  • [20:04:11] <Crofton|work> that is a good trait for this open source stuff :)
  • [20:06:22] * ArteK (n=Artur@81.15.241.96) has joined #beagle
  • [20:13:23] * jconnoll1 (n=jconnoll@firebug.buglabs.net) has joined #beagle
  • [20:13:37] <bobkatzz> oh yeah - also requirement of doing most ham radio stuff
  • [20:15:50] <Crofton> yeah
  • [20:16:03] * Crofton needs to make some form on antenna
  • [20:17:09] <bobkatzz> now that I might be able to help you with B^)
  • [20:17:14] * Stan-Dave (i=aafcf8cb@gateway/web/ajax/mibbit.com/x-0513a382a6372e28) Quit ("http://www.mibbit.com ajax IRC Client")
  • [20:17:25] <bobkatzz> what freq - and RX, TX or both?
  • [20:17:49] <Crofton> as many HF bands as it will radiate on
  • [20:18:14] <Crofton> :)
  • [20:18:16] <bobkatzz> simple answer - any wire, window screen or metal desk + antenna tuner - hehe
  • [20:18:30] <bobkatzz> (hence the antenna tuner)
  • [20:18:48] <bobkatzz> the best +/- $99 you'll ever spend
  • [20:19:15] <Crofton|work> yeah
  • [20:19:19] <Crofton|work> I have the tuner
  • [20:19:39] <bobkatzz> it's the radiate part that's the challenge - how many watts - for QRP I got you covered
  • [20:20:19] <Crofton|work> 100
  • [20:20:25] <Crofton|work> 600 if I fix the amp :)
  • [20:20:33] <Crofton|work> life is too short for QRP :)
  • [20:20:36] * jconnoll2 (n=jconnoll@firebug.buglabs.net) has joined #beagle
  • [20:20:39] <bobkatzz> oh crap!
  • [20:21:03] <bobkatzz> heh gotcha - just picked up an SB-101 for - ready?
  • [20:21:07] <Crofton|work> the tuner is only good for 300
  • [20:21:13] <bobkatzz> $20
  • [20:21:28] <Crofton|work> SB200
  • [20:21:29] * abitos (n=nixgibts@dslb-084-057-193-137.pools.arcor-ip.net) has joined #beagle
  • [20:21:46] <bobkatzz> you could call it a gift from one of the hams that brought it to our yard sale on Sat.
  • [20:22:03] <bobkatzz> 200 nice too
  • [20:22:08] <Crofton|work> yeah
  • [20:22:36] <bobkatzz> I have to finish this BB2SoftRock project first though
  • [20:22:39] <Crofton|work> one of the base input resistors expired though
  • [20:22:42] <Crofton|work> yeah
  • [20:22:45] <Crofton|work> too many porjects
  • [20:23:16] <bobkatzz> cuz it'll take a couple weeks before I have gone through the steps to get a 20+ year old box back on the air
  • [20:24:14] <bobkatzz> ahve to re-acclimate the alum caps first s.l.o.w.l.y. or they can blow up hehe
  • [20:24:54] <bobkatzz> anyway still "dd-ing" the new image over to the card - wow that takes a while!!
  • [20:25:15] * jconnolly (n=jconnoll@firebug.buglabs.net) Quit (Read error: 113 (No route to host))
  • [20:25:18] <bobkatzz> been 16 min now
  • [20:25:27] * ArteK (n=Artur@81.15.241.96) has left #beagle
  • [20:25:51] * jconnoll2 is now known as jconnolly
  • [20:26:18] <bobkatzz> then we'll see if the pup wants to hump this "gnu" leg hehe
  • [20:26:39] <bobkatzz> so far he's just peed on it
  • [20:28:27] <bobkatzz> this will only leave about 110M on the 2G SD card after I get the file system on it - prolly need to get an 8G card for any serious SDR work
  • [20:29:34] <bobkatzz> Crofton have you tried any of the the other Linux-based SDR progs outside of BB? like FLDigi or Linrad - seem to work great in Ubuntu
  • [20:31:41] <bobkatzz> at least receiving anyway - haven't had the guts to try testing my brand-new just-completed-after-2moths-of-evenings SoftRock 6.3 on transmit mode yet since if the aduio out setting are not right you can smoke the Si570 chip I hear
  • [20:33:17] * jconnoll1 (n=jconnoll@firebug.buglabs.net) Quit (Read error: 113 (No route to host))
  • [20:36:06] <bobkatzz> DD FINISHED!!!
  • [20:36:36] <bobkatzz> 27 min - yikes
  • [20:44:28] * gregoiregentil (n=zonbu@adsl-71-135-108-8.dsl.pltn13.pacbell.net) has left #beagle
  • [20:48:50] <muriani> heh
  • [20:49:03] <muriani> yeah, it can take awhile.
  • [20:49:29] <bobkatzz> OK!! both koen and myself are exonnerated!! (kinda)
  • [20:49:42] <muriani> oh?
  • [20:50:56] <bobkatzz> it worked - this is a new image without Perl, and other "goodies" that I had stuck in the first one - and for some reason there was nothing on the BEAGLE partition - such as MLO, etc
  • [20:51:52] <bobkatzz> that could have been a bad download or something but I know they weren't there after the first dd -(cuz I looked)
  • [20:52:13] <bobkatzz> and of course the ones I tried to put on later didn't work either
  • [20:52:39] <bobkatzz> ok - great - now I just have to figure out what to do with GNU Radio hehe
  • [20:55:54] <muriani> oh, so it booted?
  • [20:56:10] <bobkatzz> Oh yeay!!
  • [20:56:19] <muriani> awesome
  • [20:56:53] <Crofton> heh
  • [20:57:03] <Crofton> you can run the dial tone example :)
  • [20:57:12] <bobkatzz> yup - think it got a bad image file at some point because I know there was no MLO in the vfat partition on the first one
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  • [20:57:17] <SoulBlade> what are the bootargs required to get omapfbplay working? i keep getting errors about allocating buffers regardless of the video
  • [20:57:26] * dillera (n=dillera@75.149.106.130) Quit ()
  • [20:58:11] <carlnorum> Ok I'm back - anyone here know about intra-device clocking for the OMAP3? I'm having trouble accessing some registers and I can't figure out what clock I might be missing.
  • [20:58:14] <muriani> bobkatzz: awesome, same basic procedure we'd told you before to get it going?
  • [20:58:26] <muriani> just so I know for when I try this :p
  • [20:58:48] * pro-rsoft (n=prorsoft@unaffiliated/pro-rsoft) Quit ("while(sleepiness > 0): time.sleep(Zzz)")
  • [21:00:30] <bobkatzz> yes - except my experience with devices was sadly lacking so it took me a while to actually figure out how simple it was - but then it didn't boot and I thought is was something I did
  • [21:01:09] <bobkatzz> so I got another image (then spent several days doing other things)
  • [21:01:30] <bobkatzz> so today I got back on that new image and it worked
  • [21:01:48] <muriani> ok, sweet.
  • [21:02:05] <muriani> I shouldn't have any issue in a month or so then when I try mine
  • [21:02:39] <bobkatzz> so now I have to do something with gnu radio but after looking around I think I really need to try to get fldigi working on Angstrom (or Ubuntu ARM)
  • [21:03:32] <muriani> I'm studying for my ham radio technician's license too, so gnuradio will be of interest as well :)
  • [21:03:45] <bobkatzz> Hey - I teach that class!!
  • [21:03:55] <muriani> heh, really?
  • [21:04:01] <bobkatzz> go to QRZ and take the tests
  • [21:04:03] <muriani> I've just got a bunch of study materials
  • [21:04:04] <muriani> yeah
  • [21:04:08] <muriani> qrz tests rock
  • [21:04:20] <muriani> I actually passed the first one without having read any of the material
  • [21:04:28] <muriani> I'm an awesome guesser :p
  • [21:04:59] <bobkatzz> yep there's another one too - just keep hammering it til you get a solid 90% then go find a test somewhere - I passed my Tech and General in the same day
  • [21:05:13] <bobkatzz> (dumb luck hehe)
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  • [21:06:58] <bobkatzz> both FLDigi and Linrad work great in Ubuntu - RTTY, CW, PSK31 (all flavors) and even Hellschrieber - uuber kewl
  • [21:08:53] <bobkatzz> so now - can I just wget my packages, write them into the filesystem on the SD card, boot it on the BB and then install them (I'm thinking that I'm really dreaming here hehe)??
  • [21:08:56] <muriani> hehe
  • [21:08:59] <muriani> 90%?
  • [21:09:07] <bobkatzz> ok 89%
  • [21:09:09] <muriani> I'm going for 100%, no less :p
  • [21:09:21] <bobkatzz> you only need a 79% to pass
  • [21:09:26] <muriani> yeah
  • [21:09:44] <muriani> I just like being sure I know my stuff :)
  • [21:10:00] <bobkatzz> yeah - I told the guys that I wouldn't go for my extra until I can send and recive a solid 20wpm
  • [21:10:22] <ds2> bobkatzz: like that maters
  • [21:10:51] <bobkatzz> yeah ds2 -they said "you don't NEED code anymore!"
  • [21:11:07] <muriani> really, I dunno how far I'll go
  • [21:11:14] <muriani> I want to play with aprs first
  • [21:11:17] <bobkatzz> but I want to know it - can send 16 - only receive 10 grrrr
  • [21:11:33] <bobkatzz> yeah - met Bob - he's a kewl guy
  • [21:11:34] <ds2> prior to that you only needed to receive
  • [21:11:57] <muriani> I'd like to ping satellites, not sure what level I need for that
  • [21:12:04] <bobkatzz> yeah - only one program to teach you how to SEND - CWCOM
  • [21:12:04] <muriani> sats sound like tons of fun
  • [21:12:32] <bobkatzz> if you don't send your "w" correctly it says you sent an "a" and "t"
  • [21:12:38] <bobkatzz> for example
  • [21:12:48] <muriani> heh
  • [21:13:04] <ds2> bobkatzz: sounds fun, esp. if you have a Wxxxx call sign ;)
  • [21:13:05] <bobkatzz> I've talked to people all over the world on cwcom - it's CW over the internet
  • [21:13:20] <muriani> huh
  • [21:13:22] <mru> but what's the point?
  • [21:13:25] <mru> there's irc...
  • [21:13:28] <muriani> practice
  • [21:13:33] <muriani> it's real practice
  • [21:13:39] <muriani> that's actually pretty cool
  • [21:13:42] <bobkatzz> (um no license) and practice code with no radio
  • [21:13:48] <bobkatzz> yeah it is
  • [21:14:02] <mru> I can see why ham radio was fun before the internet
  • [21:14:26] <bobkatzz> remember with CW you get power/per/watt x 10 of SSB
  • [21:15:07] <bobkatzz> so on 10 watts of CW your "penetration factor" is the same as 100+ watts of SSB
  • [21:16:17] <bobkatzz> so with 1.5 watts I did a psk31 contact from here in Richmond(greater dog balls) VA to Warren, OH (350+/- miles)
  • [21:16:27] <ds2> 10W is a lot of power
  • [21:16:52] <bobkatzz> yeah esp if all you've ever had was about 1-2 hehe
  • [21:17:32] <ds2> I remember reading about a contact across the globe with sub 1W (xtal osc.)... the firecal orsomething like that
  • [21:18:41] <bobkatzz> yeah certain freq have better penetration at certain time - depends of the "MUFF"
  • [21:18:55] <bobkatzz> one F i think B^)
  • [21:19:30] <muriani> wspr gets crazy distance on low power
  • [21:19:49] <muriani> did you hear about that one guy who did transatlantic contact with it?
  • [21:19:53] <bobkatzz> ham radio is the only place that you can say to a woman "how's the MUF today?" and not get your face slapped, hehe
  • [21:19:58] <bobkatzz> no I didn't
  • [21:20:10] <muriani> got received by the inventor of the protocol :D
  • [21:20:18] <bobkatzz> (maximum usable frequency)
  • [21:20:22] <muriani> heh
  • [21:20:36] <bobkatzz> wspr? hmmm
  • [21:20:44] <bobkatzz> I'll check that out
  • [21:20:45] <muriani> I think that's what it is
  • [21:20:48] <muriani> lemme check
  • [21:21:21] <muriani> http://physics.princeton.edu/pulsar/K1JT/WSPR_Instructions.TXT
  • [21:21:45] <muriani> so yeah, some guy was using it, and got rx from K1JT
  • [21:22:17] <bobkatzz> I'm into fractal antennas
  • [21:22:33] <muriani> oh hell yes
  • [21:22:53] * BThompson (n=a0193480@nat/ti/x-ebfc0c6c44aa6e9f) Quit (Remote closed the connection)
  • [21:22:59] * mranostay (n=mranosta@cpe-088197.static.wadsnet.net) Quit ("This computer has gone to sleep")
  • [21:23:09] <muriani> I didn't understand how they worked until watching a Nova documentary on fractals
  • [21:23:14] <muriani> and then it all clicked
  • [21:23:50] * mib_2yt9b2 (i=53f88243@gateway/web/ajax/mibbit.com/x-df31b370d2939f6c) Quit ("http://www.mibbit.com ajax IRC Client")
  • [21:24:16] <bobkatzz> wow that wspr thing is way kewl
  • [21:24:27] <muriani> yeah
  • [21:24:36] <bobkatzz> I'll have to mess with that (add to end of already too long to-do list)
  • [21:24:41] <muriani> :)
  • [21:25:06] * dl9pf (n=dl9pf@opensuse/member/dl9pf) Quit ("KVIrc 3.4.2 Shiny http://www.kvirc.net/")
  • [21:25:16] <bobkatzz> I read on the gnuradio site that just a wire to your sound card RCA center post is a radio!!
  • [21:25:28] <muriani> hehe
  • [21:25:34] <muriani> yeah, it can be
  • [21:25:53] <bobkatzz> and that the software is so sensitive that you can differentiate various radio signals just off that
  • [21:26:12] <bobkatzz> wild! kinda like a super crystal radio
  • [21:26:21] <muriani> the samplerate of many soundcards can work for quite a few ranges
  • [21:26:49] <bobkatzz> only instead of a rzor blade and a pencil lead . . . youv'e got a $2,000 computer HAHAHAHAHA
  • [21:27:02] <bobkatzz> I love it
  • [21:27:13] <muriani> soundcards have been used as basic signal generators and receivers for awhile
  • [21:27:27] <bobkatzz> yeah I'm just getting into that
  • [21:27:29] <muriani> it's not gonna be as good as dedicated hardware, of course
  • [21:27:54] <muriani> and it requires some decent hardware, as it's all completely software-driven at that point
  • [21:28:25] <bobkatzz> my class asked to continue after they all got their licenses - so we formed the Ham Radio Users Group - to mess with stuff like that
  • [21:28:38] <muriani> cool
  • [21:29:07] <bobkatzz> because I had them build the TenTec 1056 during the tech class
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  • [21:29:45] <bobkatzz> that way they could use all the SDR software and just hook it up and listen (at least) to all the bands in digital
  • [21:30:07] <muriani> nice
  • [21:30:40] <bobkatzz> one girl said it was a "life changing moment" when she completed her radio and it worked
  • [21:30:51] <bobkatzz> she did 80 meters
  • [21:30:58] <bobkatzz> and it was hot that night
  • [21:31:39] <muriani> :)
  • [21:31:50] <bobkatzz> those are nice little receivers - for $32 you can't go wrong - all bands (one of - anyway)
  • [21:31:51] <muriani> emphasis on "and it worked" :)
  • [21:32:09] <bobkatzz> yeah I had my fingers and toes crossed on that one
  • [21:32:39] <bobkatzz> becuase I did mine first for 15m and it was dead as a mummy
  • [21:32:49] <muriani> doh
  • [21:34:53] <bobkatzz> so I pulled the IF's and replaced them with the ones for 40M cuz it rocks these days
  • [21:35:19] <bobkatzz> they give you all the parts for all the bands 160 - 10m
  • [21:35:24] <bobkatzz> nice little kit
  • [21:35:33] <muriani> so I see
  • [21:36:03] <muriani> ok, meters = wavelength in ham speak right?
  • [21:36:09] <muriani> I keep thinking range
  • [21:36:24] <bobkatzz> if one was really sharp there is no doubt a way to make a band switching setup and have all of them - I think that's what TenTec guys are hoping
  • [21:36:32] <bobkatzz> smart dudes
  • [21:36:32] <muriani> not used to talking about wavelength instead of frequency
  • [21:36:38] <muriani> yeah
  • [21:36:48] <muriani> they mention that in the description :p
  • [21:36:53] <bobkatzz> now we have to get this kind of stuff into the inner city kids
  • [21:36:57] <muriani> "We give you ALL parts needed to build for your choice of 160, 80, 75, 40, 30, 20, 17, 15, 12 or 10 meters! Try out your own multi-band switching ideas."
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  • [21:38:12] <bobkatzz> we did some "melt solder" projects with the Boy Scouts and found out that their Electronic Merit badge is only abt 2 kliks away from the Tech license
  • [21:38:58] <bobkatzz> ok - so I gotta go do some dinner activities and then back to GNU radio later - see you if you're still on
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  • [21:41:37] <muriani> heh, probably will be
  • [21:46:26] <carlnorum> OK so something here is seriously confusing. I'm looking at the bit EN_OMAPCTRL (bit 6 of CM_ICLKEN1_CORE), and it is clearly set to 1. That means the clock to the system control module is enabled. In fact, the system control module chapter says "The only clock provided to the SCM is the interface clock, CORE_L4_ICLK." However, I *cannot* read
  • [21:46:42] <carlnorum> the registers at 0x48002000.... what's going on?
  • [21:47:33] <mru> can you read them from u-boot?
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  • [21:47:57] <mru> use the md command
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  • [21:51:03] <carlnorum> mru, let me give that a try
  • [21:51:44] <mru> be warned, if it doesn't work, the board will hang without any error message
  • [21:51:54] <mru> it won't do any damage of course
  • [21:51:54] <carlnorum> that appears to be what happened.
  • [21:52:08] <carlnorum> OMAP3 beagleboard.org # md.w 0x48002000 30
  • [21:52:09] <carlnorum> 48002000: 0010 0000
  • [21:52:13] <carlnorum> and hung
  • [21:52:28] <mru> you didn't tell it how much to display
  • [21:52:40] <mru> it's probably using some default which goes beyond the mapped region
  • [21:52:42] <carlnorum> that's what the 30 means
  • [21:52:51] <mru> I'm blind
  • [21:52:55] <carlnorum> doing it with a 1 gave the right answer for the first register
  • [21:53:01] <mru> 30 is hex, remember
  • [21:53:23] <mru> are there 48 32-bit registers at that address?
  • [21:54:19] <carlnorum> yeah that's fine, but the hang is pretty aggravating. I expect the register file is sparse
  • [21:54:24] <carlnorum> that would be traditional
  • [21:54:32] <mru> looks like it is
  • [21:54:37] <carlnorum> however, that doesn't appear to be a problem with other IP blocks
  • [21:54:41] <mru> the next address mentioned is 48002010
  • [21:55:11] <carlnorum> and in fact, that's a big deal, because you need to do memory dumps of register blocks to do any reasonable work with a normal kind of debugger interface.
  • [21:55:59] <mru> I'd expect the jtag probe to handle aborted bus transactions gracefully
  • [21:56:11] <mru> u-boot isn't a debugger
  • [21:56:53] <carlnorum> that's my point - the debugger is supposed to do that, and under normal circumstances (as far as I can tell) it does
  • [21:57:12] <carlnorum> but to tell you the truth, I've never dealt with a chip that aborts on undefined registers
  • [21:57:24] <carlnorum> normal behaviour for most of the stuff I've used is just kind of random data in those accesses
  • [21:58:18] <carlnorum> but in this case it looks like RVD chokes pretty straight up
  • [21:58:29] <carlnorum> arrrrrgh - thanks, mru. You've helped me find the problem
  • [21:58:39] <carlnorum> which has nothing to do with my board (and probably nothing to do with my software)
  • [21:58:51] <carlnorum> and everything to do with this *garbage* ARM tries to pass off as a debugger.
  • [22:00:29] <mru> never used the arm debuggers
  • [22:00:58] <mru> I use mostly lauterbach
  • [22:01:38] <carlnorum> yeah, we have some history with ARM, so we've been using that stuff for a while
  • [22:01:47] <carlnorum> we have a couple of lauterbach units around, but no cortex licenses.
  • [22:01:53] <carlnorum> time to get management to pay out I guess.
  • [22:02:00] <carlnorum> thanks for your help - that totally got me on the right track
  • [22:02:02] <mru> those licence dongles are a joke
  • [22:02:13] <mru> trivial to clone
  • [22:02:23] <mru> it's just a serial eeprom
  • [22:02:30] <carlnorum> And I will send (yet another) nasty email to ARM support about their TERRIBLE software.
  • [22:02:41] <carlnorum> ok - out for now folks. Thanks for the help, back in a few.
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  • [22:09:02] <mru> ARM support is usually friendly
  • [22:09:32] <mru> so far they've fixed half of the bugs I've reported
  • [22:10:51] <SoulBlade> heh how much ram do your beagle's have for those who have gotten omapfbplay to work? i have to specify a -b argument
  • [22:11:13] <mru> I have both 128MB and 256MB beagles
  • [22:11:28] <mru> what -b option do you need to specify?
  • [22:11:36] <SoulBlade> i have to give it something like -b 40
  • [22:11:43] <mru> you're using too much memory
  • [22:11:57] <mru> I've got away with -b 96 on 128MB beagle
  • [22:12:06] <mru> just a console running
  • [22:12:17] <SoulBlade> i disabled gpe-dm
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  • [22:17:32] <SoulBlade> damn even with -b 80 i still get 10 fps on a 720p mp4.
  • [22:17:48] <mru> what codec?
  • [22:17:51] <SoulBlade> is there some format for HD vids that work better?
  • [22:17:57] <SoulBlade> avc1 i believe - let me double check
  • [22:18:09] <mru> omapfbplay should print it
  • [22:18:19] <SoulBlade> Stream #0.0(und): Video: h264, yuv420p, 1280x720, 23.98 tbr, 23.98 tbn, 47.95 tbc
  • [22:18:28] <mru> you get 10fps out of that?
  • [22:18:29] <mru> lucky you
  • [22:18:40] <SoulBlade> thats.. lucky?
  • [22:18:48] <mru> h264 is very resource hungry
  • [22:18:56] <SoulBlade> mpeg2's are better?
  • [22:19:18] <mru> the bottleneck is in a different place
  • [22:20:15] <SoulBlade> what codec is used to get the almost realtime 720p videos playing on beagle?
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  • [22:20:30] <mru> with HD mpeg2 the bitrate gets so high that bitstream parsing takes a long time
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  • [22:20:49] <SoulBlade> doh
  • [22:21:09] <mru> with h264 the bitstream parsing is expensive even at low bitrates
  • [22:21:18] <mru> and decoding the data you get out of it is also expensive
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  • [22:21:47] <mru> is the file you're playing available somewhere?
  • [22:22:12] <SoulBlade> nah - one of our test files here - its the serenity hd trailer
  • [22:22:29] <SoulBlade> i have another i could try
  • [22:22:36] <mru> that's not available online?
  • [22:22:45] <ali_as> You could try one with a lower data rate.
  • [22:23:02] <SoulBlade> im sure it's available but i dont know the source url - it was just on some file server we have here
  • [22:23:25] <mru> I see
  • [22:24:04] <SoulBlade> you got a place i can dump it to? i'd be happy tos hare it
  • [22:24:28] <SoulBlade> about 80 megs
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  • [22:27:14] <SoulBlade> nice got one with Stream #0.0(eng): Video: mpeg4, yuv420p, 1280x720 [PAR 1:1 DAR 16:9], 30 tbr, 30.01 tbn, 30 tbc - playing ~16 fps and pegging the poor cpu
  • [22:31:07] <ali_as> http://www.h264info.com/clips.html Theres an 80M serenity trailer here.
  • [22:31:59] <SoulBlade> heh that's probably the one
  • [22:33:12] <SoulBlade> im not expected to have any cpu left while omapfbplay is running right?
  • [22:33:32] <mru> depends on the video
  • [22:33:47] <SoulBlade> ok
  • [22:33:52] <SoulBlade> thats a fair answer
  • [22:34:01] <mru> it tries to play at the correct frame rate
  • [22:34:13] <mru> if the cpu is too slow, well...
  • [22:34:20] <SoulBlade> yea
  • [22:34:41] <denix> mru: so, direct question - which codec and what bitrate would give ~30fps using omapfbplay?
  • [22:34:52] <denix> 720p of course
  • [22:35:14] <mru> how much are you willing to pay for codecs?
  • [22:35:27] <SoulBlade> so i was also looking at the omapfbsink for gstreamer - will using that sink with the TIViddec yield some better performance?
  • [22:35:42] <SoulBlade> doh TIViddec2 doesn't do the HD stuff
  • [22:36:08] <denix> mru: $0 :)
  • [22:36:29] <mru> then there's currently nothing that will give you 720p reliably
  • [22:36:57] <denix> define "reliably"
  • [22:37:33] <ali_as> Possible to coax an mpeg2 or h264 into doing i frame only?
  • [22:38:10] <mru> the specs allow it
  • [22:38:14] <mru> it's up to the encoder
  • [22:38:16] <denix> BBB/720p @ 24fps is not reliable?
  • [22:38:31] <mru> yes, but that's just about the only one
  • [22:38:36] <SoulBlade> where is that buck bunny clip?
  • [22:38:39] <ali_as> Do you think i frame only 720p would play realtime on the beagle?
  • [22:38:45] <mru> bigbuckbunny.org
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  • [22:38:48] <bobkatzz> SPOKE TO THE BEAGLE!!
  • [22:39:31] <bobkatzz> sat up, barked and humped the neighbour lady's leg hehe
  • [22:39:42] <bobkatzz> pic later
  • [22:39:44] <ali_as> Put your postman on dangermoney.
  • [22:40:02] <denix> bobkatzz: naughty-naughty :)
  • [22:40:05] <SoulBlade> the 720p .mov plays well?
  • [22:40:17] <denix> mov is a container, not codec
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  • [22:41:19] <SoulBlade> sorry yes - i meant of big buck bunny
  • [22:41:29] <SoulBlade> just tyring to find the same sample that works well
  • [22:41:47] <SoulBlade> mailing lists seem to point to a .m4v so im not sure if this was the right one
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  • [22:43:15] <SoulBlade> heh yea that's not right
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  • [23:30:30] <SoulBlade> mru - do you know which companies sell decoders for the dsp on the beagle?
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  • [23:47:42] <carlnorum> I think u-boot is not correctly multiplexing the EHCI USB reset pin. Is there a spec somewhere of the expected GPIO pin mux/input/output settings?
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  • [23:55:31] <ssocco> trying to build Android kernel from embinux source ... get following error: CC scripts/mod/empty.o, Assembler messages:, Error: unknown architecture `armv7-a' ... any ideas on the source of the assembly error?
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