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  • [00:45:02] <a1cypher1> in the dvimode line, ie 800x600-MR@60hz does anybody know what the "MR" does ?
  • [00:46:47] <a1cypher1> or rather 800x600MR-16@60 would be a better example
  • [00:49:40] <mru> R means reduced blanking
  • [00:49:48] <mru> forgot what the M is
  • [00:50:56] <a1cypher1> what does reduced blanking mean? and is there a table or something I can find all possible values?
  • [00:51:50] <mru> reduced blanking means the horizontal and vertical blanking intervals are reduced from the original VESA spec
  • [00:52:17] <a1cypher1> hrm.. that could be my problem.
  • [00:52:34] <mru> any modern flat panel should handle such timings
  • [00:52:37] <a1cypher1> do you know where I can find a list of all flags that can be in the mode line?
  • [00:53:11] <mru> there's a formula to calculate the timing values from resolution, refresh rate and "MR"
  • [00:53:42] <a1cypher1> I have a panel connected through an FPGA. I have it "sorta" working, but I think there are some timing problems.
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  • [00:55:00] <jonpry> is it a dvi panel?
  • [00:55:11] <a1cypher1> no
  • [00:55:23] <a1cypher1> lvds
  • [00:55:29] <jonpry> well the standard dvi modelines are not likely to be of much use
  • [00:55:34] <mru> the spec was originally made for CRTs that need some time to sweep back to the start of the line/frame
  • [00:56:15] <a1cypher1> the weird thing is that the panel I have is 800x600, but it seems to be "stretching" the image and cutting off about 1/3 on the right most side.
  • [00:56:21] <a1cypher1> vertical looks about right though.
  • [00:56:40] <a1cypher1> so I was thinking maybe the hsync pulses are too narrow and its catching the same pulse multiple times.
  • [00:57:09] <jonpry> death of datasheets?
  • [00:57:11] <a1cypher1> wait.. that doesnt make sense.
  • [00:57:13] <mru> hsync marks the start of a new line
  • [00:57:31] <a1cypher1> yah.. so maybe my clock is the problem.
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  • [01:00:02] <a1cypher1> jonpry: I have the datasheet, but its hard to translate timings into the modeline.
  • [01:00:48] <jonpry> it shouldn't be, usually people have to create a panel-foo.c kind of driver that loads up dss with the proper timings
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  • [01:03:19] <jonpry> here is one i did. http://pastebin.com/vWaReTch
  • [01:05:37] <AHolbrook> Hi, I have a BeagleBoard XM rev C, running Ubuntu 11.10, trying to get the serial port to work for connecting another device. I removed the ttyO2.conf from /etc/init, and removed the references to ttyO2 in the bootloader (updating the .cmd file, the updating the script), but the serial port still fails. Am I missing a step?
  • [01:06:43] <a1cypher1> jonpry: So how do you include that in the kernel? Where do you need to put it and is it then referenced from the machine/platform file?
  • [01:07:32] <jonpry> put in drivers/video/omap2/displays like everything. edit kconfig and makefile however you like so it builds
  • [01:07:48] <jonpry> then do some stuff in board file
  • [01:08:04] <a1cypher1> ok, I'll have to give that a go.
  • [01:08:23] <a1cypher1> i've just been using the default dvi driver and hoping for the best...
  • [01:08:46] <a1cypher1> which seems to be working for text, but it goes nuts sometimes when different colours are displayed.
  • [01:09:51] <jonpry> clock polarity maybe
  • [01:11:10] <jonpry> some of that stuff in the panel file is kernel version specific. so you might want to start with one of the existing ones from your kernel. like panel_generic.c
  • [01:11:44] <a1cypher1> yah.
  • [01:12:05] <a1cypher1> tricky part is I'm not 100% sure that the problem is in the kernel, it could also be in my fpga code.
  • [01:13:34] <jonpry> tricky indeed
  • [01:15:05] <a1cypher1> I guess the thing to do would be to get the proper serializing chip, get it working with the kernel timings, and then switch back to the fpga.
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  • [01:29:41] <AHolbrook> In /proc/tty/driver, why is there both an OMAP-SERIAL and a serial?
  • [01:29:50] <AHolbrook> setserial appears to only see the "serial"
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  • [02:57:03] <mazzanet> so i want to upgrade my kernel
  • [02:57:42] <mazzanet> currently running some rcn-ee build i think on ubuntu maverick
  • [02:58:13] <mazzanet> when i go to use any of the kernels on the ubuntu-ports repo i can only get to the 'uncompressing linux' stage
  • [02:58:16] <mazzanet> any guesses?
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  • [03:06:17] <ds2> ARRRRRRRG
  • [03:06:29] <ds2> P6 on the bone is practically unusable mechnically
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  • [03:51:25] <jonpry> so say that i had a usb problem where by it only worked right if attached to the pc during power on. was there ever a patch for this problem?
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  • [05:28:06] <ds2> need more beagle board designs.... it is taking less and less times to create a 3D model of the boards ;)
  • [05:29:45] * Russ (foobar@ip70-176-252-141.ph.ph.cox.net) has joined #beagle
  • [05:53:41] <Russ> stupid cox
  • [05:54:04] <mIKEjONES> ds2: what do you mean?
  • [05:54:31] <ds2> mIKEjONES:eh?
  • [05:54:38] * Russ notes that caps lock is cruise control for cool
  • [05:59:32] <jonpry> lol
  • [06:00:06] * jonpry is now known as jONpRY
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  • [06:05:53] <Russ> new_video
  • [06:06:06] * Russ /sry
  • [06:07:00] * kaio (~kaio@fedora/kaio) Quit (Ping timeout: 260 seconds)
  • [06:10:14] <ds2> Hmmm is the Bone an official EVM now?
  • [06:11:41] <_av500_> Eventually Valueless Mockup?
  • [06:13:32] <ds2> Eventually?!
  • [06:13:41] <Russ> I really like the hdparm man page "VERY DANGEROUS, DON'T EVEN THINK ABOUT USING IT.", "VERY DANGEROUS, DO NOT USE!!", "EXTREMELY DANGEROUS", "EXCEPTIONALLY DANGEROUS. DO NOT USE THIS FLAG!!" etc
  • [06:14:03] <Russ> and the --yes-i-know-what-i-am-doing
  • [06:15:32] <ds2> Extremely seems to be more appropriate
  • [06:16:00] <Russ> "Do NOT play with this"
  • [06:16:13] <ds2> Russ: is that from mark lord or someone else?
  • [06:16:34] <Russ> dunno, who writes man 8 hdparm?
  • [06:16:46] <ds2> I mean the util itself
  • [06:16:54] <ds2> he did the revised IDE driver a long time ago
  • [06:17:00] <ds2> think hdparm was out around that time
  • [06:19:04] <Russ> I do really appreciate the functionality that hdparm has taken on
  • [06:19:40] <Russ> I think one of my NAS drives is sick, but its not a good time to replace it
  • [06:20:05] <ds2> looks like all the files are shared with the EVM
  • [06:21:21] <_av500_> Exceptionally Valueless Mockup?
  • [06:21:47] <Russ> I'm telling you, its extra-value meal
  • [06:22:31] <_av500_> Emergency Vegetable Mashup
  • [06:24:15] <_av500_> Early Varning Misspelled
  • [06:24:30] <dm8tbr> Extra Violent Monkey
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  • [06:29:43] * Russ wget's the hitachi diagnostic iso to /boot/images, apt-get installs grub-imageboot, runs update-grub, and hugs linux
  • [06:30:45] <mru> morning
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  • [06:33:48] * Russ sigh, if only the hitachi drive fitness test worked over serial
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  • [06:48:19] <Russ> buy low, RMA high is what I always say
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  • [06:51:28] <jONpRY> once you get too high, there are few options
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  • [07:09:26] * av500 hates people who share schematics only as .zipped $random-cad files
  • [07:09:35] <av500> ever heard of print to pdf?
  • [07:10:58] <ds2> that is too complicated
  • [07:11:15] <ds2> got to start fedexing USB thumb drives that do not conform to the mass storage spec
  • [07:11:40] <av500> ds2: launchpad schematics....
  • [07:11:55] <ds2> av500: clarify what you mean by that
  • [07:12:08] <ds2> there are about 3 different ways of interpreting that statement
  • [07:12:51] <dm8tbr> ds2: the schematics will be available on a server connected by RFC-1149 networking...
  • [07:14:15] <ds2> sure why not
  • [07:14:42] <ds2> be consistant with the bone's console only accessible via hacking the drivers
  • [07:14:54] <av500> ds2: LaunchPad_Eagle_Files.zip
  • [07:15:10] <av500> luckily a coworker has eagle installed
  • [07:15:13] <ds2> av500: which launchpad?
  • [07:15:20] <av500> ds2: the TI one
  • [07:15:23] <av500> msp430
  • [07:15:30] <ds2> oh... thought that was on PDF
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  • [07:15:35] <ds2> as part of the manual, IIRC
  • [07:15:47] <ds2> launchpad is also the ubuntu infection node 0
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  • [07:17:54] <av500> ds2: ok, in the manual too
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  • [08:14:45] <av500> yay ftdi bitbang mode
  • [08:14:56] <av500> makes the whole launchpad obsolete
  • [08:15:51] <ka6sox> makes my head hurt
  • [08:15:52] * Russ (foobar@ip68-106-254-4.ph.ph.cox.net) Quit (Ping timeout: 245 seconds)
  • [08:15:56] <av500> after I lost 1h to find out how to do that with the TUSB3410
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  • [08:16:37] <fattire> anyone working on ics?
  • [08:22:33] <ynezz> av500: sometimes it's faster to ask on #43oh :)
  • [08:22:58] <av500> oh
  • [08:23:26] <av500> -ETOOMANYCHANNELS
  • [08:24:19] <ynezz> I don't know much channels when one could discuss such low level stuff
  • [08:24:39] <av500> ynezz: no, I meant in my irc client :)
  • [08:24:40] * [IDC]Dragon (~hohensohn@a89-182-166-101.net-htp.de) Quit (Ping timeout: 240 seconds)
  • [08:24:43] <ynezz> ah :)
  • [08:25:22] <av500> but I will connect the beacon board to an ftdi cable directly now
  • [08:25:30] <av500> saves me 2x map430 :)
  • [08:25:40] <av500> although the ftdi cable cost 3x the launchpad
  • [08:26:11] <ynezz> ah beaconware
  • [08:26:44] * Russ (foobar@ip68-106-254-4.ph.ph.cox.net) has joined #beagle
  • [08:27:14] <av500> ynezz: yes, after all that omap4 stuff, I need simple things to clear my head
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  • [08:31:32] <LetoThe2nd> av500: use plain old "unterputz lichtschalter" and connect them to the beacon.
  • [08:32:09] <ds2> av500: get a goodfet
  • [08:32:18] <av500> LetoThe2nd: and toggle it 24 times to clock in the LED data?
  • [08:32:21] <ds2> avoids the tusb
  • [08:32:29] <av500> ds2: the tusb is on the launchpad
  • [08:32:35] <ds2> I know
  • [08:32:39] <av500> I am not getting stuff, I am making do with what I have
  • [08:32:39] <ds2> also on the ez430
  • [08:32:40] <LetoThe2nd> av500: everybody needs a hobby.
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  • [08:58:07] * ka6sox is tired of torturing linux kernel to do RT.
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  • [09:11:38] <ka6sox> ynezz, 56channels its too many.
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  • [10:06:08] <koen> good morning all
  • [10:07:04] <mru> morning koen
  • [10:08:23] <av500> koen: got power?
  • [10:10:10] <LetoThe2nd> i've git the power! </old snap lyrics>
  • [10:11:34] <koen> yes
  • [10:11:40] <koen> power is back
  • [10:12:03] <koen> and hence internet, hot water, heating and coffee as well
  • [10:12:19] <snyp3r> <scans music collection>
  • [10:16:08] <[IDC]Dragon> good morning
  • [10:17:13] <[IDC]Dragon> koen, yesterday av500 mentioned you've tried 1080p24 video with OMAP3?
  • [10:18:23] <koen> 1080p24 output to monitor, not video
  • [10:18:52] <[IDC]Dragon> yes, that's what I meant
  • [10:19:02] <[IDC]Dragon> any issues with that?
  • [10:19:33] <koen> apart from needing a huge chunk of memory bandwidth, no
  • [10:19:57] <[IDC]Dragon> bandwidth should be no more than 720p50
  • [10:20:17] <koen> right
  • [10:20:32] <[IDC]Dragon> or 720p60, which may already exceed what's needed for 1080p24
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  • [10:21:12] <[IDC]Dragon> did you consider interlaced, too?
  • [10:26:30] <koen> not sure if the omap3 + tfp410 supports that
  • [10:30:30] <[IDC]Dragon> in oru design we're not using the TFP410, it's left to the OMAP3
  • [10:30:37] <[IDC]Dragon> our
  • [10:31:34] <[IDC]Dragon> anyway, thanks for the proof of concept
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  • [10:41:59] <av500> what would you gain with interlaced?
  • [10:42:05] <av500> interlaced is 60fps
  • [10:42:13] <av500> so its equals 30fps progrssive
  • [10:43:42] <[IDC]Dragon> half the bandwidth
  • [10:43:55] <[IDC]Dragon> and the TV de-interlaces it anyway
  • [10:44:23] <[IDC]Dragon> for static display content, you save 50%
  • [10:44:53] <av500> 1080i@60fps is the same bandwidth as 1080p@30
  • [10:45:07] <av500> and beagle barely does 24
  • [10:45:12] <ka6sox-away> whoever came up with these "standards" didn't get together with the TV nmanufacturers....they rescale anyways.
  • [10:45:20] <[IDC]Dragon> for dynamic content, the fps are better
  • [10:45:30] <[IDC]Dragon> afk, lunch
  • [10:45:37] <av500> and there is no 1080i@30 mode
  • [10:45:43] <jordz> I'm trying to change the hsync/vsync polarity on my beagleboard, i did set the correct tmings in generic-panel.c for my lcd. Could someone point me out to the correct function/file ?
  • [10:45:47] <av500> that would allow you to save BW for static content
  • [10:46:15] <av500> jordz: does that timing struct also have the polarities?
  • [10:46:22] <av500> I know that it did not in the past
  • [10:46:27] <av500> not sure if that was adde3d
  • [10:46:58] <jordz> av500: it does not
  • [10:47:03] <jordz> fbset also didn't work
  • [10:48:24] <av500> then you can always hard code it in the driver
  • [10:49:09] <jordz> that was my plan, now i need to found where it is
  • [10:54:54] * fattire (~fattire@cpe-76-87-108-37.socal.res.rr.com) Quit (Ping timeout: 244 seconds)
  • [10:55:14] <av500> jordz: dispc_set_pol_freq
  • [10:55:48] <jordz> av500: thank you !
  • [10:57:18] <av500> seems to use dssdev->panel.config
  • [10:57:25] <av500> see panel-d2l.c
  • [10:57:35] <av500> dispc_set_pol_freq(dssdev->channel, dssdev->panel.config,...
  • [10:57:36] <av500> dpi.c
  • [10:57:57] <av500> OMAP_DSS_LCD_IHS and OMAP_DSS_LCD_IVS
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  • [11:15:43] <mru> fwiw 720p60 usually looks better than 1080i60
  • [11:15:50] <mru> better vertical resolution
  • [11:32:26] <ka6sox-away> even rescaled by the display?
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  • [12:06:05] <mru> ka6sox-away: surely better than random crappy deinterlacing by the display
  • [12:06:57] <ka6sox-away> deinterlacing always sucks...NTSC and other non-progressive scan formats have long looked bad.
  • [12:07:28] <ka6sox-away> I don't even know why CBS bothers to broadcast in 1080i
  • [12:08:07] <mru> because then they can boast about having 1080
  • [12:16:01] <av500> ka6sox-away: NTSC and other non-progressive scan formats looked quite good when they were invented
  • [12:18:06] <ka6sox-away> mru, true but really not worth it...from a broadcast perspective its 1 SD + 1 1080i or 2 720p's
  • [12:18:17] <ka6sox-away> I'd choose 2 720p's
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  • [12:43:38] <liu> hi,all. im tring to add the ubuntu 11.04 on my beagleboard-XM rev B accroding to the https://wiki.ubuntu.com/ARM/OmapNetbook
  • [12:44:18] <liu> but ,i only got the message : Texas Instruments X-Loader 1.5.0 (Apr 11 2011 - 09:47:05) Beagle xM Reading boot sector Loading u-boot.bin from mmc
  • [12:44:54] <liu> then i can not see anything ,why???thanks
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  • [12:54:02] <p1r> Hello
  • [12:54:47] <p1r> I have a BB-xM and would like to add a wifi usb dongle, I saw in the hardware reference manual a list but they are untested
  • [12:55:23] <p1r> Do anyone have a working setup and could recommend me about a dongle and a page with drivers/install instructions
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  • [12:56:42] <koen> plug it in and see if it works
  • [12:59:44] <p1r> but I would like to know which one to buy, if someone has a working setup and could give me a recommendation
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  • [15:16:50] <jpintado> hello
  • [15:18:06] <jpintado> there are somebody here?
  • [15:18:51] <av500> no
  • [15:19:53] <jpintado> ?
  • [15:20:12] <jpintado> i have a question with my beagleboard-xM
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  • [15:26:34] <mranostay> no nobody here
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  • [15:28:04] <jpintado> nobody connect?
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  • [15:59:18] <jkridner> jpintado: http://catb.org/~esr/faqs/smart-questions.html
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  • [16:24:43] <rafl> following the instructions at http://elinux.org/BeagleBoardDebian#Debian_Squeeze - i get the debian-installer booting fine on an xM beagle board
  • [16:24:43] <rafl> however, none of the usb keyboards i have around appear to be working when connected to it, and i'm wondering what the reason for that might be
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  • [16:25:17] <rafl> i do see a number of similar problem reports in various places, but none of them seem to have any hints towards the root of the problem, let alone a solution.
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  • [16:27:06] <thurbad> rafl it has to do with a change made to usb on the xM revC
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  • [16:27:35] <rafl> it's indeed rev C.
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  • [16:27:57] <rafl> where do i read about the details of that?
  • [16:29:46] <thurbad> if you can get kernel sources it's a relatively easy fix to make, basically the power enable pin for USB was switched from active high to active low (or vice versa)
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  • [16:31:29] <thurbad> you just need to check the gpio version pins and if they match the pattern for xM revC switch the polarity
  • [16:32:18] * rafl tries to figure out where the sources for the kernel image used in the wiki page above came from
  • [16:35:07] <thurbad> it /may/ be easier for someone to simply donate a revC xm board to the debian maintainers
  • [16:35:15] <rafl> oddly enough, it seems like the kernel already does just that.
  • [16:35:20] <rafl> http://gist.github.com/1370576
  • [16:38:01] <rafl> also, fwiw, the usb ports seem to be powered up. at least they provide 5V
  • [16:41:19] <thurbad> hmm, does dmesg show anything when a usb device is plugged in?
  • [16:43:22] <rafl> lacking a serial cable at this very moment, it's kind of hard to tell
  • [16:43:34] <thurbad> ah
  • [16:45:31] <rafl> good thought, though. that'll be the first thing i'll find out when todays holiday is finally over and i can acquire one
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  • [17:16:13] <av500> sakoman: ping
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  • [17:39:28] <jkridner> rafl, thurbad: if a Debian maintainer needs a board, please have them contact me and provide a shipping address via http://tinyurl.com/givebb
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  • [17:39:52] <jkridner> the USB issue and patches are documented on http://beagleboard.org/faq
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  • [17:41:17] <jkridner> see https://gitorious.org/beagleboard-validation/linux/commit/bfca58987039791522d1821e0506f8a113a0c239 for one.
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  • [17:45:48] <coppermine> can the beagleboard xm take a 16 or even 32gb micro sd card?
  • [17:45:55] <koen> yes
  • [17:46:11] <coppermine> good cause i read it ships iwth 4gb, i dont think thats enough for gentoo with X11/gnome
  • [17:46:27] <jkridner> yes.
  • [17:46:46] <coppermine> right now i have a 396mhz arm9 cpu on my embedded board
  • [17:46:53] <coppermine> the cpu struggles for everything im doing with robotics
  • [17:47:02] <coppermine> i plan to add a beagleboard to offload some processing
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  • [17:47:20] <jkridner> you can run X11/gnome on a 4GB card. The Angstrom image that ships with it includes X11/gnome.
  • [17:47:28] <coppermine> but i prefer gentoo
  • [17:47:31] <coppermine> i dont know angstrom
  • [17:47:44] <jkridner> gentoo should be able to build a similar image.
  • [17:47:44] <coppermine> and the docs says it supports gentoo
  • [17:48:10] <jkridner> well, the docs are meant to say that people are using Gentoo on it.
  • [17:48:33] <jkridner> I know for a fact that people do run Gentoo on it...
  • [17:48:48] <jkridner> if the Gentoo upstream has good support for it, that I cannot say.
  • [17:49:16] <jkridner> I'd recommend making a mention or two of it in #gentoo-arm to get a bit of feedback.
  • [17:49:43] <jkridner> er, #gentoo-embedded
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  • [17:50:52] <jkridner> When doing initial BeagleBoard bring-up, we first ran Maemo, then Gentoo, but the Angstrom project embraced us more and I moved in that direction.
  • [17:52:48] <jkridner> I'd love to see more done with Gentoo as that is the distro I like on servers.... but now I'm starting to move in the direction of trying to figure if I can target EC2 machines or PCs with OE/Angstrom. I really like it now, despite it not being built to handle native system builds---which you don't necessarily want for the BeagleBoard anyway. Native project development works fine under Angstrom.
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  • [17:56:47] <coppermine> does digikey ship the latest revision of the xm?
  • [17:56:54] <coppermine> or do I need to order it directly somewhere else?
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  • [17:59:33] <jkridner> they do. all the distributors of xM have Rev C now.
  • [17:59:39] <coppermine> nice
  • [17:59:55] <coppermine> so it can run something like skype no problem?
  • [17:59:57] <jkridner> Digi-Key is as direct as it gets. http://beagleboard.org/buy for the list of distributors.
  • [17:59:59] <coppermine> to send/receive audio/video
  • [18:00:12] <jkridner> getting closed-source apps is a pain.
  • [18:00:21] <coppermine> emerge skype on gento
  • [18:00:24] <coppermine> it compiles
  • [18:00:35] <jkridner> oh.... then I would assume so.
  • [18:00:44] <coppermine> i mean thats how i do it now on my gentoo system
  • [18:00:48] * jkridner didn't realize skype had an open source client.
  • [18:00:48] <coppermine> being on arm shouldnt be different
  • [18:00:57] <coppermine> right now im using motion
  • [18:01:02] <coppermine> but the latency is bad
  • [18:01:08] <coppermine> so im wanting a beagleboard for audio/video
  • [18:01:11] <jkridner> as long as it doesn't have dependencies on x86 assembly.
  • [18:01:11] <coppermine> more cpu power
  • [18:01:32] <coppermine> if its written in c or higher level languages it should be portable to arm
  • [18:05:24] <tsahee> hello guys! I am creating an exercize for students using the dsp in the beagleboard. Next stage - creating a thorough guide of how to install a station (beagle+computer) for friendly arm+dsp software development, as I didn't see one.
  • [18:06:06] <tsahee> I got permission to make this guide publicly available, as you were a great help in getting me to a working system
  • [18:06:35] <tsahee> question is - where would you like the guide to be?
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  • [18:07:14] <tsahee> I'm not sure it fits in the wikis I'm aware of..
  • [18:07:36] <coppermine> is there a clone of the beagleboard xm? to save money
  • [18:08:09] <djlewis_> but the XM is already in a good price range. . .
  • [18:08:57] <_av500_> tsahee: elinux is a good place
  • [18:09:38] <_av500_> wmat: ^^^
  • [18:11:44] <wmat> tsahee: yes, elinux.org is the place
  • [18:11:55] <tsahee> than elinux.org it is
  • [18:12:10] <tsahee> Thank you again! I couldn't have done this without you!
  • [18:12:19] <wmat> tsahee: don't forget to categorize the page with the beagleboard category
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  • [18:31:46] <djlewis_> looks like all the class has to interface a ultrasonic sensor to their beagleboards.
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  • [21:27:53] <tty> does the Beagleboard xM has its own i2c-dev driver or does it use the driver as described @ http://www.kernel.org/doc/htmldocs/device-drivers/i2c.html
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  • [21:56:01] <tty> when I tried to use i2cset, I get "Error: write failed". Could someone help me with this issue?
  • [21:56:05] * novogrammer (~novogramm@w0109-49-134-92-43.uqwimax.jp) Quit (Remote host closed the connection)
  • [21:57:09] <tty> I have looked into the i2cset's source code and found out the the error is given when i2c_smbus_write_byte_data() return negative value
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  • [22:10:48] <niro> tty, have you looked at the i2c_smbus_write function to see what it does?
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  • [22:24:18] <_av500_> anybody in the SFO area on Dec 1st?
  • [22:24:36] <Crofton|work> no
  • [22:26:12] <tty> @niro: that function is part of i2c-core.c in the kernel's i2c driver. I found a source code for i386 here: http://www.cs.fsu.edu/~baker/devices/lxr/http/source/linux/drivers/i2c/i2c-core.c#L1500
  • [22:28:37] <tty> @niro: do you know where the source code that driver on ARM can be found?
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  • [22:29:55] <xxiao> anyone had a good idea to update SD card without taking it out
  • [22:30:18] <xxiao> under u-boot idealy, i think u-boot can not program ext2 and ext3 at least
  • [22:31:24] <_av500_> Crofton|work: :(
  • [22:33:56] <niro> tty, it will be the same as that version of the function
  • [22:34:05] <Crofton|work> are you making a pilgrimage to SFO?
  • [22:34:16] <_av500_> Crofton|work: looks like it
  • [22:34:20] <niro> it's not in a /arch/arm/ directory, or it would be an arch independant thing
  • [22:34:28] <_av500_> need to decide whether to stay one extra day or not
  • [22:34:57] <_av500_> Crofton|work: too bad that the backwater sakoman chose to dig in has not moved closer to sfo yet :(
  • [22:35:03] <mru> _av500_: lots of libav devs around there
  • [22:35:12] <niro> tty, so it's the i2c_smbus_xfer function that is returning -1
  • [22:35:28] <_av500_> rafl: i know
  • [22:35:32] <_av500_> oops
  • [22:35:40] <_av500_> mru: i know, 2 evenings there
  • [22:35:48] <_av500_> and 2 of 'em google anyway
  • [22:35:58] <sakoman> av500: I was there today, just returned ;-)
  • [22:36:10] <_av500_> sakoman: be there dec 1st :)
  • [22:36:13] <mru> _av500_: you can also troll ds2
  • [22:36:32] <_av500_> mru: explain him the metric system?
  • [22:37:17] <sakoman> av500: next time is likely to be Feb for ELC
  • [22:37:30] <_av500_> ah
  • [22:37:41] <_av500_> sakoman: where are you exactly?
  • [22:37:48] <_av500_> how long is the drive?
  • [22:38:10] <sakoman> 4 hours drive north in the middle of nowhere :-)
  • [22:38:10] <mru> in the lizard army hq I suppose
  • [22:38:20] <mru> it must be well hidden
  • [22:38:40] <_av500_> sakoman: google maps says 4h SFO to redding
  • [22:38:48] <Crofton|work> I've seen it from the satellite
  • [22:38:57] <_av500_> stupid train takes 7+
  • [22:39:36] <sakoman> yeah, it is a long drive
  • [22:39:50] <sakoman> having just finished it I speak from experience :-)
  • [22:40:12] <sakoman> av500: just come back in Feb for ELC!
  • [22:40:41] * mru intends to go for elc
  • [22:41:41] <_av500_> sakoman: $job does not pay that
  • [22:42:06] <sakoman> av500: understood, that prevents lots of trips for me too!
  • [22:42:28] <tty> @niro: I've looked at the i2c_smbus_xref but don't quite know what it's doing
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  • [22:43:50] <tty> @niro: btw do you know where the i2c driver is located in the file system?
  • [22:44:50] <tty> @niro: I looked in /lib/modules/2.6.32/kernel/drivers but there is no i2c there
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  • [22:45:43] <niro> what kernel are you running?
  • [22:48:56] * guanucoluis1 (~luis@200.127.182.232) Quit (Ping timeout: 244 seconds)
  • [22:50:13] <tty> Angstrom based on 2.6.32
  • [22:52:11] <niro> so its precompiled?
  • [22:55:02] <tty> yes
  • [22:55:51] <niro> have you rebooted since you had the problem?
  • [22:55:58] <tty> I got it from http://www.angstrom-distribution.org/demo/beagleboard/
  • [22:56:08] <tty> yes I have rebooted
  • [22:57:48] <niro> what command are you running for i2cset?
  • [23:00:59] <tty> $ i2cset -y 3 0x36 0x04 0x0000 w
  • [23:01:52] <tty> I'm trying to communicate to the picoprojector via the HDMI cable
  • [23:02:17] <niro> ah
  • [23:02:26] <niro> there isnt an hdmi cable on the beagle
  • [23:02:41] <niro> *hdmi output
  • [23:03:31] <tty> I guess it's the dvi port (with hdmi physical shape)
  • [23:03:38] <niro> yeah
  • [23:03:58] <niro> you need an hdmi to dvi-d cable
  • [23:06:06] <tty> The board can use the picoproj as a regular projector/screen
  • [23:06:29] <tty> I have got that to work
  • [23:07:09] <niro> you're just trying to get it to work over hdmi now?
  • [23:07:41] <tty> I have also check that DVI has a DDC clk and a DDC data line (corresponding to the HDMI's DDC)
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  • [23:08:44] <tty> which, in turns, corresponds to I2C_SCL and I2C_SDA on the pico projector
  • [23:10:47] <tty> I'm trying to send instructions via I2C to the picoproj to turn on its structure light mode
  • [23:11:08] <niro> http://en.wikipedia.org/wiki/Digital_Visual_Interface#DVI_and_HDMI_compatibility
  • [23:11:11] <niro> have a look at that
  • [23:11:36] <niro> to be honest, the electronic side is a bit above where i am
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  • [23:21:47] <_av500_> dm8tbr: ping
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  • [23:23:41] <tty> niro, I've looked at http://www.ti.com/litv/pdf/dlpu003a and it appears that the picoproj get the HDMI signal from its mini HDMI port through a DVI receiver
  • [23:24:47] <tty> so the communication is DVI-DVI (only through a HDMI physical connection)
  • [23:25:04] * joelagnel (~joel@nat/ti/x-eocssitqxrvfssgo) Quit (Remote host closed the connection)
  • [23:25:20] * peabody124 (~peabody12@128.249.96.21) Quit (Ping timeout: 260 seconds)
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  • [23:25:51] <niro> oh yeah, it says it is compatible with the beagle
  • [23:25:52] * DJWillis (djwillis@cpc1-bath5-2-0-cust122.aztw.cable.virginmedia.com) Quit (Ping timeout: 240 seconds)
  • [23:32:48] <niro> and you're sure that's the right address?
  • [23:36:09] <tty> niro, http://www.ti.com/litv/pdf/dlpu002a gives me "0x36" for the address and http://www.ti.com/litv/pdf/dlpa021a gives me the rest
  • [23:38:56] <niro> type i2cdetect -l
  • [23:39:23] <tty> it shows i2c-1, i2c-2, and i2c-3
  • [23:39:54] <tty> 1 is for power, 2 is the expansion headers, 3 is on the DVI/HDMI
  • [23:40:58] <niro> yeah, so atleast that's right
  • [23:42:47] <tty> the "i2cdetect -y -r 3" instruction also gives me the "chart" like in http://elinux.org/EBC_Exercise_05_I2C
  • [23:45:11] <niro> does the chip address show up?
  • [23:45:26] <niro> ie. 0x36
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  • [23:46:09] <tty> no it didn't
  • [23:46:33] <niro> ahh, then the address is different
  • [23:46:43] <niro> because that lists the chips on the bus
  • [23:48:28] <niro> dont put in an address between 0x50-0x57 either, or this can destroy your beagle
  • [23:48:28] <mazzanet> anyone know why none for the omap3 kernels on ubunut-ports can boot?
  • [23:49:14] <mazzanet> they get to 'uncompressing linux' and then stop
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  • [23:50:04] <niro> mazzanet, does it say ... done
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  • [23:50:38] <mazzanet> last line is ok booting kernel
  • [23:50:50] <mazzanet> i only have an svideo display
  • [23:50:55] <mazzanet> but nothing further on serial console either
  • [23:51:00] <niro> what kernel version is it?
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  • [23:51:33] <mazzanet> ummm
  • [23:53:31] <mazzanet> 2.6.36-28-omap
  • [23:53:35] <mazzanet> 35*
  • [23:53:43] <niro> ok, boot your beagle too uboot
  • [23:53:50] <niro> and type printenv bootargs
  • [23:54:25] <mazzanet> i'm currently running an rcn-ee build 2.6.35-4-l1
  • [23:54:37] <mazzanet> tried some of the latest rcn-ee builds too but they do the same thign
  • [23:55:06] <niro> mazzanet, let me know when you've booted the beagle to uboot
  • [23:56:02] <mazzanet> bootargs=console=ttyS2,115200n8 root=/dev/mmcblk0p2 rootwait ro vram=${vram} omapfb.mode=tv:pal omapdss.def_disp=tv fixrtc buddy=${buddy} mpurate=${mpurate}
  • [23:56:30] <niro> ok, type...
  • [23:57:09] <niro> setenv bootargs console=ttyO2,115200n8 root=/dev/mmcblk0p2 rootwait ro vram=${vram} omapfb.mode=tv:pal omapdss.def_disp=tv fixrtc buddy=${buddy} mpurate=${mpurate}
  • [23:57:26] <niro> then, saveenv
  • [23:57:29] <niro> then reset
  • [23:57:48] <mazzanet> the console device has changed?
  • [23:57:50] <mazzanet> curious
  • [23:57:53] <niro> yeah
  • [23:57:58] <niro> 2.6 >
  • [23:58:07] <mru> wasn't that like a year ago?
  • [23:58:20] <niro> lol
  • [23:58:30] <mazzanet> i'm running latest git u-boot by the way
  • [23:58:34] <thurbad> as a sidenote, don't use saveenv on an xM as it has no nand (generally)
  • [23:58:52] <mazzanet> and this is c4
  • [23:58:57] <thurbad> ah, 'k
  • [23:59:06] <_av500_> thurbad: it will "save" right through and burn your table cloth
  • [23:59:19] <thurbad> no,it hangs
  • [23:59:23] <niro> thurbad, what does the xm have?
  • [23:59:30] <_av500_> niro: sdcard