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  • [01:11:38] <ds2> EUREAKA!
  • [01:11:52] <ka6sox-farfarawa> (I have found it!)
  • [01:12:13] <ds2> buried deep in the schematics is a nice way to deal with a battery on the Beagle!
  • [01:12:16] <prpplague^2> ds2: got a new vacuum cleaner?
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  • [04:18:13] <htns> Hi, quick question, can CAM_D0/GPIO99 and D1/GPIO100 on beagle's P10 be used as an output gpio? The others CAM signals work fine as GPO but not D0/1=99,100
  • [04:19:59] * benmcnelly (~ben@72.14.18.106) Quit (Read error: Connection reset by peer)
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  • [04:36:35] <_av500_> ds2: pray tell
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  • [06:29:48] <david> hi
  • [06:30:03] * david is now known as Guest41852
  • [06:30:27] <Guest41852> im new to linux and beagleboard
  • [06:31:03] <Guest41852> I am using a usb to serial cable to talk to the board
  • [06:31:21] <Guest41852> i am able to minicom fine and setup timesys on the board
  • [06:31:45] <Guest41852> but i can figure out how to set up usb0 on my host machine to copy files to the board
  • [06:31:51] <Guest41852> cant*
  • [06:32:32] <Guest41852> my host machine is ubuntu 11 on virtual box
  • [06:33:07] <Guest41852> my friend had the same problem with a ubuntu 11 dual boot
  • [06:34:02] <Guest41852> the usb2serial is a sabrent
  • [06:34:10] <Guest41852> i hope this is enough information
  • [06:34:57] <dm8tbr> does the beagleboard show up in lsusb on your ubuntu?
  • [06:35:53] <Guest41852> do i just type lsusb?
  • [06:36:17] <dm8tbr> yes
  • [06:36:41] <Guest41852> proliferic usb2 serial does show up
  • [06:36:45] <Guest41852> which is the converter
  • [06:38:13] <Guest41852> prolific*
  • [06:38:19] <dm8tbr> did you attach the BB using a USB wire to your PC? (and I don't mean the usb-to serial!)
  • [06:38:45] <Guest41852> no
  • [06:39:26] <dm8tbr> and you expect this to work, how?
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  • [06:39:37] <dm8tbr> BB doesn't support wireless USB, you know...
  • [06:41:28] <Guest41852> I am not sure
  • [06:42:02] <Guest41852> instructions for my classes doesnt bring up anything about a usb cable
  • [06:42:06] <Guest41852> the*
  • [06:42:13] <av500> what instructions?
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  • [06:44:10] <Guest41852> ??? You will require a serial to USB converter to do remote debugging on the host. ??? So you will have to install minicom (for linux host machine) and add a device name for the same. ??? The steps for installing and configuring the minicom is referred from http://elinux.org/BeagleBoardBeginners#First_interaction_with_the_board ??? Once that is done , you will need a way to transfer the executable files form the host machine to the
  • [06:44:51] <Guest41852> (which takes lot amount of time) or creating a small private network between the host machine and the beagleboard . ??? I had been working on setting up tftp server client between host linux machine and BeagleBoard but did not work. Also tried setting nfs server client but no outcome . Finally arrived to scp and it works sweet on the BeagleBoard with Angstrom. ??? Before scp you will need to setup an local LAN connection and likewi
  • [06:45:45] <Guest41852> Before scp you will need to setup an local LAN connection and likewise will have to setup the respective IP addresses both on board and on the host machine by using the following command ??? ifconfig usb0 192.168.2.100 netmask 255.255.255.0
  • [06:45:52] <av500> stop now
  • [06:45:57] <av500> send the url or use pastebin
  • [06:46:46] <Guest41852> http://ecee.colorado.edu/~ecen5623/ecen/labs/Linux/IS/
  • [06:46:54] <Guest41852> page 7 of Report.pdf
  • [06:47:07] <ds2> anyone know off hand if craneboard is in upstream OE/Angstrom?
  • [06:47:57] <av500> no idea
  • [06:48:43] <ds2> blah
  • [06:49:13] <Guest41852> did the link work fine?
  • [06:49:15] <av500> Guest41852: 3) LAN cable (straight)
  • [06:49:29] <av500> 1) BeagleBoardxM with Power Supply
  • [06:49:37] <av500> plug 3) into 1)
  • [06:50:07] <av500> uh oh: ?? * OMAP3 beagleboard.org # saveenv
  • [06:50:26] <av500> XM has no nand, so no savenv either...
  • [06:50:33] <av500> inb4: ds2 yada yada
  • [06:51:21] <av500> lol: "Porting Angstrom on to BeagleBoardxM:"
  • [06:51:35] <_bruce> is there a quick way i gdb to determine if we are in thumb mode or not, besides manually intepreting cpsr (via info reg cpsr)
  • [06:52:47] <ds2> what about adding Angstrom sized ports to the BeagleBoardxM?
  • [06:54:04] <ds2> if PC % 4 != 0, you are in thumb
  • [06:54:16] <Guest41852> So the setup looks like host machine connected to the BeagleBoard through ethernet ports for transferring the binaries through scp and serial(board end) to USB (Host end) connector for remote display of termainal .
  • [06:54:31] <av500> indeed
  • [06:55:15] <Guest41852> so its "virtually" supposed to look like ethernet to ethernet but its really usb to serial
  • [06:55:18] <Guest41852> or am i mistaken
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  • [06:55:55] <av500> no, its ethernet to ethernet
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  • [07:03:14] <av500> wtf is that study anyway?
  • [07:03:18] <djklitz> av500, this is guest earlier asking about usb0 ethernet studies
  • [07:03:36] <djklitz> i got dc'ed trying to configure my host machine
  • [07:03:48] <djklitz> i have the lan cable connected now, what command would i use on my host PC to be able to ping the BB?
  • [07:04:26] <djklitz> that study is just an intro into using a BB i guess, i have no clue
  • [07:04:31] <djklitz> im new to all this
  • [07:05:33] <av500> wtf? ft = ((double)(((double)tv.tv_sec) + (((double)tv.tv_usec) / 1000000.0)));
  • [07:08:20] <djklitz> av500, do you have any insight?
  • [07:08:32] <djklitz> LAN cable connected now, i just dont know how to ping each other
  • [07:08:46] <djklitz> pinging from host machine, no response
  • [07:08:59] <av500> ifconfig usb0 192.168.2.100 netmask 255.255.255.0
  • [07:09:03] <av500> as written there
  • [07:09:24] <av500> an I would hook the BB to a router and not your host pc
  • [07:09:44] <av500> and if you start normal angstrom, you should get an IP via DHCP anyway
  • [07:09:55] <av500> ifconfig will tell you
  • [07:09:58] <djklitz> yea, i have to use timesys
  • [07:10:13] <av500> you dont know what you are talking about
  • [07:10:13] <djklitz> i did the usb0 on the BB
  • [07:10:20] <djklitz> i told you... im new to this
  • [07:10:46] <djklitz> but when i ping the 192.168.2.100 from my host pc, no reply
  • [07:10:49] <av500> connect the BB with the lan cable to "the internet"
  • [07:10:54] <av500> like to a router
  • [07:11:05] <av500> and see if it gets an IP via DHCP
  • [07:13:19] <djklitz> nvm, thanks for the help
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  • [07:14:30] <ds2> learn ip networking.
  • [07:14:57] <av500> ds2: so what is the battery magic?
  • [07:17:44] * Zygo (startkeylo@startkeylogger.hungrycats.org) Quit (Ping timeout: 246 seconds)
  • [07:19:36] <jou> how to set IP address without DHCP, By software code? Manualy we can do it with ifconfig eth0 192.168.2.100, but by software how can i do?
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  • [07:22:11] <jou> ?
  • [07:22:51] <jou> I want to set ip address by C code which will run on first time boot up. It is possible
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  • [07:28:16] <av500> use a script
  • [07:28:38] * djklitz (6b028658@gateway/web/freenode/ip.107.2.134.88) Quit (Ping timeout: 252 seconds)
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  • [07:29:28] <jou> any sample code?
  • [07:31:03] <av500> tried google?
  • [07:32:29] <jou> ok
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  • [07:39:15] <av500> koen: new work for you: http://www.continuumfashion.com/N12.html
  • [07:43:26] <_bruce> jou: in case youa re curious, they are normally done through ioctls. you can look at teh source code of ifconfig to see how it does it
  • [07:45:16] <jou> thanks _bruce
  • [07:45:20] <_bruce> it has been years sinc ei've done somethign like that, but i remember they were done through ioctls
  • [07:45:48] * ZeZu (null@c-98-227-57-1.hsd1.in.comcast.net) Quit (Ping timeout: 255 seconds)
  • [07:47:12] <_bruce> depending on what you really want to do, the solution suggested by av500 is the easiest
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  • [08:21:45] <koen> av500: heh
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  • [08:38:28] <av500> lol@ml: I am currently doing face recognition with OpenCV. I used MySQL to load the database in Beagle board.Can any one please suggest me how to recognize faces with stored database.
  • [08:39:01] <av500> SELECT WHERE face = my_face
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  • [08:46:16] <ant_work> EXPLAIN SELECT CONCAT(eyes,nose,mouth) AS face FROM table
  • [08:48:16] <Garagoth> is it friday?
  • [08:48:22] <Garagoth> G'Morning
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  • [09:15:39] <JLaurin> Reading quickly through the TRM for OMAP3530; "McBSP1, McBSP2, and McBSP3 serve as general purpose serial ports while McBSP2 and McBSP3 include additional audio-loopback capability." So in a scenario where i want to connect an additional audio channel, the expansion pins connected to the McBSP3 (with a muxing mode supported for McBSP3) is mostly suitable?
  • [09:16:35] <av500> whihcever mcbsp is available on the expansion port
  • [09:16:36] <JLaurin> btw, what device populates the McBSP2 pins?
  • [09:17:30] <JLaurin> so it doesn't matter which McBSPX i use for the additional audio channel?
  • [09:18:05] <av500> afaik audio should work on all of them
  • [09:18:13] <av500> but then, study the TRM :)
  • [09:19:44] <JLaurin> okey, i saw that the McBSP2 and McBSP3 was connected to the TPS65950, that's why i got a bit sceptical of using McBSP1 for this purpose
  • [09:20:57] <JLaurin> but now i know :) thanks for the feedback, i'll study on
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  • [09:47:56] <aarti> how can i record .mp3 file on beagle?
  • [09:48:58] <av500> how do you record it on any linux system?
  • [09:49:25] <av500> e.g. ffmpeg/libav and lame
  • [09:56:34] <aarti> av500, i saw tht people used to record .wav file and using lame they convert into .mp3
  • [09:57:59] <av500> that works too
  • [09:59:12] <aarti> but i dnt want conversion .wav to .mp3, directly want to record .mp3
  • [10:01:02] <av500> [11:49:24] <av500> e.g. ffmpeg/libav and lame
  • [10:04:14] <jou> how to do time syncronization on Beagleborad
  • [10:10:52] * mlip|aw is now known as mlip
  • [10:11:40] <mlip> koen, http://bugzilla.pokylinux.org/show_bug.cgi?id=1139 - you have a test case where I don't need any local overlay? ;)
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  • [10:14:43] <koen> mlip: nope
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  • [10:16:48] <mlip> koen, thx, then I have to put everything up, AFTER lunch
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  • [11:08:56] <jou> how to run ntp?
  • [11:09:19] <av500> start ntpd?
  • [11:09:46] <mlip> jou run ntpd, or ``ntpdate pool.ntp.org'' (if installed)
  • [11:11:05] <jou> k
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  • [11:12:15] <koen> maybe with -b or -u switches where appropriate
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  • [11:21:48] <Dummie> hi there i'm having some problems to figure out how to program my beagleboard could someone give me some help?
  • [11:22:07] <av500> maybe if you ask a question?
  • [11:24:18] <Dummie> I never programmed any ARM in my life just PIC's and I was wondering if someone could point me in the right direction, like how do I define the mux in the GPIO, how to handle interrupts and activate them, mainly i need a place where i can learn the basics
  • [11:25:58] <Dummie> The only thing I found until now was how to change the GPIO state using the terminal
  • [11:26:26] <JLaurin> Are you wondering how to change the muxmode for different pins?
  • [11:27:30] <Dummie> that too
  • [11:27:34] <JLaurin> http://elinux.org/BeagleBoardPinMux
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  • [11:28:39] <av500> Dummie: interrupts are handled in the kernel
  • [11:28:43] <JLaurin> I'm in the same position as you, only programmed Pics and some RTOS applications (without any knowledge of drivers and so on), I've learned alot reading the TRM for OMAP3530 and the SRM for BB
  • [11:28:47] <av500> its a tiny wee different from a PIC
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  • [11:31:08] <Dummie> I tried to search for some kind of datasheet, as pic have but the closest I found was a pdf called "OMAP35x Technical Reference Manual"
  • [11:31:24] <JLaurin> that's it
  • [11:31:28] <JLaurin> its about 3500 pages long
  • [11:31:30] <JLaurin> :)
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  • [11:32:19] <Dummie> that's why I found it odd because it was way too many pages
  • [11:32:40] <JLaurin> PIC = There is really no OS in between, you're roughly said directly in the Kernel space accesing pins... But in the beagleboard (an OS between) the acessing is done through system calls to drivers, read about drivers if you want some knowledge about the connection from user space->hardware
  • [11:33:19] <JLaurin> device drivers more correctly said
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  • [11:34:08] <JLaurin> there's a good book by O'reilly: http://lwn.net/Kernel/LDD3/
  • [11:35:04] <Dummie> to use I2C we have to install i2c-tools for lm-sensors right?
  • [11:36:20] <Dummie> i installed it and I already can see my i2c buses but when I try to write something using "i2cset" I always get an error
  • [11:36:56] <JLaurin> There seems to be some steps you need to do before using the i2c, check in the OMAP3530 TRM
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  • [13:59:02] <NotTooDumb3> hi all..did any one here boot android on beagle?
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  • [14:04:51] <NotTooDumb3> i downloaded this file, android-DevKit-02.02.00
  • [14:04:52] <NotTooDumb3> TI_Android_FroYo_DevKit-V2.2.tar.gz and by reading readme.txt in this folder ran the script, but was not sure what to give for boot args..
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  • [14:19:59] <mranostay> er read the manaul?
  • [14:20:18] <mranostay> *manual
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  • [14:34:00] <NotTooDumb3> manual in documents.tar.gz?
  • [14:34:26] <NotTooDumb3> i have not gone through that, need to read that.
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  • [15:05:15] <NotTooDumb3> mranostay, are you asking me about the manual in documents.tar.gz file?
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  • [15:13:05] <beagleboarduser> hello everyone. i was wondering if running ubuntu on the beagleboard xM is better than running Angstrom linux?
  • [15:14:48] <mdp> define "better"
  • [15:14:59] <koen> if you mean "slower", then yes
  • [15:15:07] <mdp> koen, you stole my thunder
  • [15:15:11] <koen> or "no NEON by default"
  • [15:15:13] * mdp sulks
  • [15:15:31] <koen> or "aimed at people with too much time on their hands"
  • [15:15:43] * koen offers mdp a burrito
  • [15:15:53] * mdp perks up again
  • [15:16:14] <koen> but not the monster sized one, otherwise you afternoon productivity is shot
  • [15:16:52] <ogra_> koen, "no NEON by default" isnt ture anymore ... NEON is runtime detected where possible
  • [15:16:53] <beagleboarduser> wait, ubuntu runs slower than angstrom?
  • [15:16:58] <ogra_> *true
  • [15:17:07] <koen> ogra_: define "where possible"
  • [15:17:36] <koen> beagleboarduser: that's what we said
  • [15:17:42] <ogra_> koen, some libs have the code already, the rest is being ported by linaro ... QT should use NEON all over the place if available
  • [15:18:00] <ogra_> pixman too iirc
  • [15:18:01] <koen> ogra_: it still depends on how you build it
  • [15:18:06] <ogra_> yes
  • [15:18:14] <ogra_> thats what i referred to above wrt linaro
  • [15:18:30] <ogra_> they care for the patches to either upstream or package builds
  • [15:18:49] <ogra_> (depending on the solution for the respective lib)
  • [15:18:51] <koen> so for things like ffmpeg, mplayer and gstreamer no NEON
  • [15:19:00] <GrueMaster> Is there anyone here with a Beagle XM rev C that has Ubuntu 11.04 (Natty) installed? We have a new kernel that needs to be tested, and I don't have one.
  • [15:19:16] <ogra_> no, for them i think they are working on a solution with different lib paths
  • [15:19:39] <ogra_> so the executed binary gets switched for libs that cant do it internally
  • [15:20:37] <koen> so its "no NEON by default, unless it can detect it at runtime *and* packagers build those few libs the right way"
  • [15:21:09] <ogra_> it will be "NEON if available" for all packages soon
  • [15:21:26] <ogra_> but yes, essentially thats right
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  • [15:37:17] <beagleboarduser> koen: thanks for the help. do you happen to know: if i read in the register value from the audio port, will I be reading in the amplitude information of the incoming audio signal?
  • [15:37:53] <av500> what port?
  • [15:39:23] <beagleboarduser> av500: on the beagleboad xM, it seems mcbsp2_dr (it is in the beagleboard xM manual on page 85)
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  • [15:41:02] <beagleboarduser> i basically need a way of keeping track of the amplitudes of an incoming audio signal (in real time...). that's why i am very much hoping that is what the audio port's register contains!
  • [15:41:30] <av500> mcbsp2_dr, Received serial data, Pin R21
  • [15:41:33] <av500> this one?
  • [15:41:50] <av500> its a pin, not a register
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  • [15:42:27] <beagleboarduser> av500: yeah, that's the one...oh, so how will i be able to pull the incoming data into my c program?
  • [15:42:40] <av500> standard linux audio
  • [15:43:06] <beagleboarduser> av500: ok, so if I use arecord, i will be able to figure out the amplitudes of the incoming signal?
  • [15:43:59] <av500> ...
  • [15:44:38] <beagleboarduser> av500: haha, my thoughts exactly. i'll continue to google it, i guess. thanks for the help thus far!
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  • [15:55:04] <beagleboarduser> anyone that can help: i am trying to record audio to my beagleboard xM using sound recorder, but nothing is happening. i have the option "Analog" selected in sound recorder. i have googled extensively, but to no avail....
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  • [16:02:26] <Garagoth> Why Angstrom is faster on BB then Ubuntu?
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  • [16:03:22] <ogra_> ubuntu is not optimized for devices like the beagle, it carries the extra weight of a general purpose OS with it
  • [16:03:39] <ogra_> angstrom is built from scratch, optimized for that one platform ...
  • [16:04:05] <ogra_> beyond that the netbook/desktop images arent really great under 512M
  • [16:06:17] <Garagoth> Hmm.
  • [16:06:26] <Garagoth> Same applies to BB-xM?
  • [16:07:53] <ogra_> its better there but similar
  • [16:08:13] <Garagoth> and when used in console mode only?
  • [16:08:20] <ogra_> we have headless serial ubuntu images too though
  • [16:08:24] <ogra_> they should be fine
  • [16:08:37] <Garagoth> headless ubuntu failed to install
  • [16:08:41] <Garagoth> btw ;-)
  • [16:08:45] <ogra_> did you file a bug ?
  • [16:08:47] <Garagoth> netinstall went fine
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  • [16:09:02] <ogra_> its pretty heavily tested usually
  • [16:09:12] <ogra_> so a bug would be intresting
  • [16:09:34] <Garagoth> No, but I'm not sure what went wrong. Looked like installer skipped several sections, like network setup...
  • [16:09:59] <ogra_> on an XM ?
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  • [16:10:03] <Garagoth> ..and went straight to installing packages, and failed as it could not detect eth
  • [16:10:06] <Garagoth> on xM
  • [16:10:26] <ogra_> headless definitely shouldnt install any packages unless you told it to
  • [16:11:08] * ZeZu (null@c-98-227-57-1.hsd1.in.comcast.net) Quit (Client Quit)
  • [16:11:17] <Garagoth> it went: select lang, select keyboard, installing (something small, 44 packages, maybe 19, do not recall now)
  • [16:11:24] <ogra_> 8there is nothing preselected)
  • [16:11:47] <Garagoth> And I could not get to installer menu to configure network
  • [16:11:56] <Garagoth> so I gave up and went with netinstall
  • [16:12:01] <ogra_> it should *uninstall* a lot of packages (the installer)
  • [16:12:33] <Garagoth> Well, it showed error dialog that it cannot continue because there is no network... and returned to language selection
  • [16:12:38] <ogra_> but it definitely doesnt install anything unless you selected something during the tasksel steo
  • [16:12:42] <ogra_> *step
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  • [16:13:07] <ogra_> it also isnt depending on network otherwise ... i really wonder what you tested there
  • [16:15:02] <Garagoth> ubuntu-11.04-preinstalled-headless-armel+omap.img
  • [16:16:04] <ogra_> hmm, no, that should just be fine
  • [16:17:22] <Garagoth> Well, what should I provide as a proof?
  • [16:17:35] <Garagoth> Not that I have lots of time to do this, but...
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  • [16:20:02] <beagleboarduser> can anyone help me with recording audio into beagleboard xM?
  • [16:20:25] <beagleboarduser> i am new to linux...
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  • [16:28:07] <cbrake> my beagleboard xM does not seem to be seeing the MLO on the SD card. All I get is a little serial garbage on the console every time I power it on, which I assume is the serial bootstrap.
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  • [16:28:33] * prpplague jokes with koen
  • [16:28:34] <cbrake> does not work with the card that came with the BB xM or one I set up
  • [16:28:41] <prpplague> koen: i got my paper submitted
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  • [16:28:49] <cbrake> is there anything I'm missing?
  • [16:28:51] <prpplague> koen: done with yours yet?
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  • [16:32:08] <beagleboarduser> anyone know how i can record audio into my beagleboard xM?
  • [16:32:27] <thurbad> aplay/arecord?
  • [16:32:53] <thurbad> the quality will be kinda poor
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  • [16:33:34] <beagleboarduser> thurbad: i was wondering more like what the input option should be in sound recorder because i can't seem to record anything (i have it selected to "Analog" as input)
  • [16:34:57] <thurbad> oh, not sure what the input channel is
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  • [16:41:24] <beagleboarduser> anyone know what the input channel should be for beagleboard xM audio recording?
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  • [17:03:29] <sakoman> cbrake: I got an xM through distribution that had the same issue
  • [17:04:02] <sakoman> I ended up returning it for service
  • [17:04:30] <sakoman> I was sent a new one that worked and Gerald got hold of the returned unit to investigate
  • [17:04:56] <sakoman> something was wrong with the mmc channel -- never did hear the resolution though
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  • [17:09:16] <cbrake> sakoman: ok, guess I'll take that route
  • [17:09:39] <cbrake> sakoman: was trying to make sure I was not missing something obvious
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  • [18:00:23] <sakoman> cbrake: I think it is prety safe to say that if the SD card that shipped with it *and* one you built yourself both don't work then your unit is defective
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  • [18:32:21] <xxiao> i have STRICT_DEVMEM disabled why can't dd if=/dev/mem ?
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  • [18:34:52] <djlewis_> my fav so far today "<av500> its a tiny wee different from a PIC"
  • [18:41:54] <_av500_> :)
  • [18:42:29] <_av500_> prpplague: paper?
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  • [18:50:57] <prpplague> _av500_: CFP for ELC-E
  • [18:52:32] <xxiao> libcap2 library is in OE, libcap2-bin is missing?
  • [18:52:39] <xxiao> need use its setcap/getcap
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  • [19:04:48] <xxiao> ok setcap/getcap are built by bitbake but not included in the ipk
  • [19:05:02] * 18WAADXQ0 is now known as mhembrow
  • [19:05:45] <koen> send a patch
  • [19:05:48] <woglinde> hehe
  • [19:05:51] <woglinde> koen was faster
  • [19:05:54] <koen> bonus points if you have landley write it
  • [19:06:17] <woglinde> koen btw. does your meta-oe systemd package packages the pam modules of it?
  • [19:08:19] <koen> it should
  • [19:08:26] <koen> otherwise screen won't work :)
  • [19:08:40] * mlip is now known as mlip|aw
  • [19:08:59] <koen> koen@dominion:/OE/tentacle/build/tmp-angstrom_2010_x-eglibc/deploy$ dpkg-deb -c ipk/armv7a/systemd_v28-2-g78e39b4-r5_armv7a.ipk | grep pam
  • [19:09:02] <koen> -rwxr-xr-x root/root 47016 2011-06-06 10:31 ./lib/security/pam_systemd.so
  • [19:09:38] <woglinde> koen okay because the oe master package dont package it
  • [19:11:39] <xxiao> koen: Rob is reading 1000 pages of documents now
  • [19:12:36] <xxiao> setcap still does not help for 'dd if=/dev/mem', i'm to disable this stupid check on mem.c instead
  • [19:12:39] <xxiao> enough time spent
  • [19:18:20] <xxiao> will send a patch on setcap/getcap later
  • [19:20:21] <xxiao> for ARM gurus here
  • [19:20:38] <xxiao> on powerpc probably even x86 i can do 'devmem2 0x0' just fine
  • [19:20:56] <xxiao> on arm i need do "devmem2 0x80000000' instead,
  • [19:21:27] <xxiao> the physical address at 0 is actually 0x80000000 based on ARM's memory map(at least for TI?)
  • [19:21:53] <xxiao> then, how should I use 'dd', I tried to skip 0x80000000/512 blocks and it did not help
  • [19:29:31] <mdp> xxiao, that's not true for all powerpc, just the ones you've encountered
  • [19:29:49] <mdp> xxiao, and yes, the physical memory map is different
  • [19:30:22] <mdp> you are required to know your physical memory map in order to use /dev/mem successfully
  • [19:31:04] <mdp> the statement "the physical address at 0 is actually 0x80000000 based on ARM's memory map(at least for TI?)" makes no sense
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  • [19:42:11] <xxiao> mdp: ok, Rob can't stop talking
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  • [19:42:23] <xxiao> anyway i shifted 0x80000000 to dd and it worked
  • [19:43:40] <mdp> yep, that would be the physical address of the start of SDRAM on it
  • [19:43:49] * pcacjr (~pcacjr@unaffiliated/pcacjr) has joined #beagle
  • [19:44:08] <mdp> just look at your RM/datasheet, it has the answers
  • [19:48:55] <xxiao> mdp: read that many times already, thanks
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  • [19:49:59] <xxiao> i'm just saying comparing to other chips starting at 0x0 this ARM starts at 0x80000000 based on its memory map
  • [19:50:27] <mdp> you mean it places the SDRAM at 0x80000000 physical
  • [19:50:29] <mdp> yes
  • [19:51:24] <mdp> I've done powerpc ports with 4xx parts where ram isn't at 0???that only exists by convention from the early parts and isn't always true
  • [19:51:40] <mdp> so that's why I say make sure you firmly understand what it is your doing in /dev/mem
  • [19:52:04] <mdp> just like on some parts I/O addresses are fixed..and in other they are moved around with a magic base register
  • [19:52:15] <mdp> so you can't assume anything anywhere
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  • [19:56:42] <koen> Filesystem Size Used Available Use% Mounted on
  • [19:56:42] <koen> ubi0:beagleboard-rootfs 458.6M 239.3M 219.4M 52% /
  • [19:56:47] <koen> ds2: ^^^^^
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  • [20:09:11] <speakman> how is HWaddr set on boot on beagle board?
  • [20:09:51] <speakman> I'm getting random MAC's on a similar board
  • [20:10:06] <koen> there isn't an eeprom to store the mac
  • [20:10:12] <koen> so the kernel makes it up every booth
  • [20:10:15] <koen> boot*
  • [20:10:24] <koen> check the mailinglist, lots of messages about it
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  • [20:13:28] <speakman> but I could pass eth=XX.XX.... in bootargs right?
  • [20:15:39] <hypoon> hey guys, I have an application that calls for a high-speed microcontroller, and so far I've been working off of an atmega 2560. Can I use a beagleboard like this?
  • [20:16:15] <koen> you could, but most people use it as a normal computer
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  • [20:19:27] <hypoon> koen: yeah, that's my understanding. How does it fare in terms of raw I/O?
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  • [20:20:33] <koen> define raw IO
  • [20:27:13] <_av500_> non-xml
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  • [20:37:34] <sam_> I am new with the beagel Board, where is great help to start up with?
  • [20:38:30] <Crofton> mru, at lunch, we decided the most illegal thing you can do with a USRP E100 is throw it at the president.
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  • [20:46:34] <xxiao> mdp: sorry Rob is too talkative, i dare not to stop any topics from now on with him
  • [20:46:48] <xxiao> it's like having FOSS history lesson 101
  • [20:47:05] <mdp> landley?
  • [20:47:22] <xxiao> mdp: i was doing freescale powerpc and as far as i remember it starts at 0 at least on the board i used
  • [20:47:29] <xxiao> never used amcc 4xx though
  • [20:47:38] <xxiao> mdp: yes we're sharing an office now
  • [20:47:57] <xxiao> s/stop/start
  • [20:48:12] <mdp> xxiao, heh, well then I understand your situation. rob's default mode is "talk_enabled"
  • [20:49:01] <xxiao> my productivity is at 30% since he came in....unless i ignore his presence :)
  • [20:49:01] <woglinde> xxiao haha
  • [20:50:31] <xxiao> if he runs for congress i will vote for him for sure
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  • [20:57:19] <xxiao> alright for /dev/mem use dd i can access DDRs just fine now, but could not get access to pci-memories
  • [20:57:45] <xxiao> if my c code mmap(/dev/mem, pci-bar-address) i can access pci-memory, why is that?
  • [20:57:56] <xxiao> both use /dev/mem, both are given the same offset
  • [20:58:39] <xxiao> i want to use dd to dump pci-bars instead of rewrite devmem2.c basically
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  • [22:44:35] <ds2> Hmmmm
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