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  • [00:59:18] <ds2> 2800mAH jjust doesn't go very far
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  • [01:08:23] <mru> AA rechargables?
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  • [01:26:33] <ds2> yeah
  • [01:26:52] <ds2> running numbers to see how well would a system work on 4 AA's
  • [01:27:26] <ds2> CCFL light are the killer
  • [01:27:31] <ds2> then wifi
  • [01:27:47] <mru> a plain beagle should run quite a while on AA batteries
  • [01:28:19] <ds2> the beagle isn't a problem... it is when you want to do something useful with it
  • [01:28:41] <mru> define useful
  • [01:29:05] <ds2> stand alone, do A/V stuff by itself... act as a PDA
  • [01:29:12] <ds2> talk to the outside world
  • [01:29:55] <ds2> only way I can come close to being useful is if I can find an atheros wifi module
  • [01:33:49] <fenn> ds2: i am going with 3.6V 2400mAH lithium ion batteries
  • [01:33:56] <ds2> the problem with a larger battery (aka brute force approach) is charging gets more complex with larger batteries
  • [01:33:58] <fenn> 18650 form factor
  • [01:34:01] <ds2> fenn: what are you running off it?
  • [01:34:13] <fenn> well, the plan is to just run the beagle directly. we'll see how that goes
  • [01:34:25] <fenn> and power the usb hub with a boost converter
  • [01:34:44] <ds2> fenn: I see... I am looking a more of a complete system
  • [01:35:01] <fenn> i'm using myvu glasses for display, which would be way less power draw than a CCFL
  • [01:35:05] <fenn> but.. why are you using CCFL?
  • [01:35:29] <ds2> cuz I happen to have 2 of them sitting next to me... I could go with a LED display then WiFi pops up
  • [01:35:49] <fenn> you mean wifi then becomes the most significant power draw?
  • [01:35:55] <ds2> yep
  • [01:36:02] <fenn> well, that's life
  • [01:36:05] <ds2> 250-500mA for a USB dongle
  • [01:36:13] <fenn> cheap engineering
  • [01:36:34] <ds2> what pisses me off is the one modules can can do it w/less power don't have data available or are not available in small quantities
  • [01:36:45] <fenn> which modules?
  • [01:37:03] <ds2> Atheros is one of them
  • [01:37:24] <ds2> Marvell is another (yes, the 8686 has driver but it isn't well documented)
  • [01:37:59] <fenn> looks like 802.11a is much lower power draw than g
  • [01:38:23] <fenn> maybe you could just switch modes
  • [01:38:27] <ds2> In theory other cards can do it but they lack data... closest alternative is a RT73
  • [01:38:45] <ds2> it isn't so much the power draw, it is if the driver supports putting the chip in the low power mode
  • [01:39:04] <fenn> hm
  • [01:39:15] <fenn> can you just turn off the USB port it's on?
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  • [01:39:31] <ds2> I could but that defeats the purpose
  • [01:39:47] <ds2> Some wifi chips have a low power mode that can idle in sub 50mA
  • [01:40:36] <ds2> ideally I'd want it to interface via SPI but USB can be tolerated (SDIO is not a consideraton for other reasons)
  • [01:42:30] <ds2> an example of the low power mode is the N800 - 6-7 days idle with WiFi running
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  • [01:43:17] <fenn> wow
  • [01:43:30] <fenn> you could probably go indefinitely with a solar panel then
  • [01:44:24] <ds2> yep
  • [01:44:45] <fenn> so you can not get STLC4550 in small quantity?
  • [01:44:49] <ds2> they use a loose relative of the old Prism stuff
  • [01:44:51] <ds2> hahah
  • [01:44:56] <ds2> nope
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  • [01:45:55] <fenn> is that because of typical manufacturer pigheadedness or legal restrictions?
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  • [01:46:58] <ds2> mfg
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  • [01:47:38] <ds2> wish someone made a Atheros USB stick or SPI module
  • [01:50:35] <fenn> it looks like there are tons of atheros usb dongles.. what exactly are you looking for?
  • [01:50:50] <ds2> there are?! I couldn't find a single one
  • [01:51:41] <fenn> how about this one for example http://www.pctekonline.com/aiawsugwiusb.html
  • [01:52:17] <ds2> nothing like this showed up when I searched
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  • [01:52:46] <fenn> there are lots of 802.11n dongles, i'm not sure that's what you're looking for tho
  • [01:53:16] <fenn> http://www.microbarn.com/details.aspx?rid=102214&source=froogle
  • [01:53:51] <ds2> B/G is all i need
  • [01:53:57] <ds2> N I don't think is mature enough to be low power
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  • [01:55:12] <fenn> does atheros provide docs for all their chips?
  • [01:56:01] <ds2> in directly... they help a low with developing drivers
  • [01:56:09] <ds2> grrrrrr... the madwifi site is borq
  • [01:56:55] <Animule> raaaaaahhhhhhhhhh
  • [01:56:59] * Animule beats his chest
  • [01:57:48] <ds2> hmmm they changed sites
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  • [01:59:06] <fenn> i dont see any atheros datasheets anywhere
  • [02:00:03] <ds2> nevermind... USB ain't supported by madwifi
  • [02:00:14] <fenn> "You can't just attach Atheros datasheets like that, we can get in serious trouble for hosting such stuff ! Attachment deleted. ..." well thanks for nothing madwifi
  • [02:00:30] <geckosenator> madwifi isn't open anyway is it?
  • [02:00:40] <geckosenator> or is it only closed for the firmware?
  • [02:03:16] <ds2> there is a hal/binary module from Atheros
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  • [02:05:28] <fenn> madwifi sez "Support for sleep modes" for 5416 (the 802.11n dongle i linked to last)
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  • [02:07:01] <fenn> aroo. that was just info about the chip, madwifi doesn't support usb dongles
  • [02:08:57] <ds2> there is the otus project
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  • [02:11:58] <fenn> geckosenator: apparently they are working on an open driver interface
  • [02:12:12] <fenn> by reverse engineering
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  • [02:52:01] <coreyfro> I have a RevC board, and when I have a lot of data going over USB, the USB host disconnects :-/
  • [02:52:31] <coreyfro> so I lose keyboard, mouse, storage, ethernet, and the only way to get it back is reboot
  • [02:53:01] <coreyfro> this seams to be a new bug, because I have been using USB Storage for weeks now
  • [02:53:26] <coreyfro> nothin has changed on the OS on the SD. I've only used the SD to boot off of
  • [02:53:36] <ds2> which port?
  • [02:54:00] <coreyfro> I have everything plugged into a powered USB hub with 2amps
  • [02:54:13] <ds2> which port?
  • [02:54:14] <coreyfro> the onboard USB socket
  • [02:54:19] <ds2> which port?
  • [02:54:39] <coreyfro> the host
  • [02:54:52] <coreyfro> nothing off a header
  • [02:55:08] <ds2> do you have the TT option enabled?
  • [02:55:37] <ds2> no, there are 2 USB ports on there. Both are on their own socket. One is OTG, the other is HS Host only
  • [02:55:43] <coreyfro> Not aware of it, I'm using the anstrom image
  • [02:55:58] <ds2> try enabling the TT option, let me get the exact name
  • [02:57:53] <coreyfro> thanks
  • [02:58:06] <ds2> CONFIG_USB_EHCI_TT_NEWSCHED
  • [02:58:10] <ds2> see if that helps
  • [02:58:26] <ds2> I know the BT usb sticks do not work right w/o that
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  • [03:00:41] <coreyfro> this requires a kernel rebuild?
  • [03:03:00] <ds2> yep
  • [03:04:10] <coreyfro> *sigh* I have to get angstrom working so I can get my custom build working... *headdesk*
  • [03:05:56] <ds2> BAH. chuck angstrom and just build your own kernel
  • [03:09:41] <coreyfro> yeah, I am moments away from getting my gentoo build up and running. Just setting stuff up infact. I'm just this close >---< from...well...from a whole bunch of new headaches
  • [03:10:35] <coreyfro> It's been working for weeks, though. So, I'm afraid of the sudden flakiness
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  • [04:35:18] <Beagle1> serial port problem
  • [04:35:56] <Beagle1> can anyone help me getting the hyperterminal working with the beagleboard
  • [04:37:58] <Beagle1> i am using a usb to serial adapter, did all the right settings for the serial port but nothing is getting displayed on the hyperterminal when i connect to beagleboatrd
  • [04:42:20] <coreyfro> do you have a null modem cable?
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  • [06:01:41] <Animule> Just a taste of the paste....
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  • [06:04:46] <fenn> don't eat solder paste
  • [06:05:07] <Animule> the lead-free stuff's fine
  • [06:05:10] <Animule> it's lead-free!
  • [06:05:21] <ds2> it isn't the lead....
  • [06:05:25] * rupeshgujare1 (n=rupesh@59.160.172.220) Quit (Read error: 104 (Connection reset by peer))
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  • [06:05:59] <Animule> and honestly
  • [06:06:02] <Animule> i eat constantly
  • [06:06:20] <Animule> and deal with solder (leaded stuff... i'm not screwing around with Pb-Free/RoHS junk) all day at work
  • [06:06:25] <Animule> and i'm perfectly normal :)
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  • [06:07:37] <Animule> my dog just farted :\
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  • [06:10:13] <eFfeM> morning everyone
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  • [06:41:55] * methril|fix_part is now known as methril|work
  • [06:42:38] <methril|work> good morning
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  • [08:13:48] * mru curses lead-free solder
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  • [08:21:49] <eelcor> coryfro I have the same problem with my USB port. Whenever I try to copy a lot of data it just disconnects and I am not able to use USB (EHCI port) anymore. The board however is still running, as I used top to show some processes and it keeps on refreshing.
  • [08:25:09] <geckosenator> has anyone used a ssd with the beagle?
  • [08:27:20] * hrw|gone is now known as hrw
  • [08:27:24] <hrw> morning
  • [08:27:30] <hrw> geckosenator: define ssd
  • [08:28:05] <hrw> geckosenator: most of ssd drives now are sata and beagleboard lacks sata port
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  • [08:44:04] <mpoullet|work> good morning
  • [08:46:10] <recalcati> mpoullet|work: good mornig
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  • [09:00:36] * koen has used an sd card with a beagle, which is technically ssd as well :)
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  • [09:07:29] <geckosenator> well you can use usb->sata
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  • [09:08:07] <mru> or bit-bang it with gpio ;-)
  • [09:08:21] <koen> :)
  • [09:08:27] <geckosenator> yeahe
  • [09:08:50] <geckosenator> maybe I could have a led blink, and a slave which has to press a button when it blinks
  • [09:09:09] <geckosenator> so it could work wireless across a room
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  • [09:09:19] <koen> s/slave/intern/
  • [09:09:29] <hrw> koen: whats difference :D
  • [09:09:47] <koen> one is legal in most countries
  • [09:10:20] * florian_kc is now known as florian
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  • [09:16:10] <hrw> ;D
  • [09:17:12] <mru> breaking news: police in west london have busted an intern trading ring, freeing over 100 captive interns from boredom
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  • [09:34:26] <florian> good morning
  • [09:36:27] <gregoiregentil> Question for the DSP experts: Is there somewhere the plan for a project of a top-like tool for the DSP? Is it feasible to measure how busy is the DSP?
  • [09:37:19] <RogerMonk> gregoiregentil - codec engine has Engine_getCpuLoad() as an approximation of average DSP CPU load
  • [09:37:44] <RogerMonk> we also have a ThreadLoad module which is more thread specific for the DSP
  • [09:38:18] * joesensport (n=joesensp@218.242.229.236) has joined #beagle
  • [09:38:22] <RogerMonk> not integrated into CE yet - would need to be added manually to the CE DSP server executable
  • [09:38:39] <gregoiregentil> RogerMonk: Cool! I didn't know. At least, it should not be too complex I guess if the API works fine
  • [09:38:51] <RogerMonk> yep
  • [09:39:07] <RogerMonk> Give Engine_getCpuLoad() a try first and let me know.
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  • [09:39:56] <gregoiregentil> RogerMonk: yes, we will probably give a try and let know the community
  • [09:40:12] <RogerMonk> cool
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  • [09:49:19] <koen> RogerMonk: have you thought about exporting something like that to sysfs using dsplink?
  • [09:50:19] <koen> RogerMonk: since it it something BIOS does, right?
  • [09:50:30] <RogerMonk> yeah - good idea - we've looked, but not for a while - probably should re-look again
  • [09:55:31] <koen> it would tie link into bios, dunno how TI people feel about that
  • [09:56:57] <mru> I think someone should write a proper DSP management system
  • [09:57:09] <mru> something that ties in with the linux vm system
  • [09:58:08] <koen> to make it easier sharing memory and doing IPC?
  • [09:58:18] <mru> to make everything easier
  • [09:58:32] <mru> and not eat X MB of memory even when not needed
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  • [12:45:13] <dasnake> hello
  • [12:45:32] <florian> hi dasnake
  • [12:45:37] <dasnake> how to instruct bitbake to just download and patch a certain package, linux-omap-2.6.28, without attempt to build it?
  • [12:45:52] <florian> -c patch
  • [12:47:31] <dasnake> thanks
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  • [12:48:37] <RogerMonk> mru - mru: I think someone should write a proper DSP management system... something that ties in with the linux vm system
  • [12:48:54] <RogerMonk> mru - always interested in your thoughts - please send on
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  • [12:53:07] <mru> RogerMonk: I'm talking about completely replacing the dsp* interfaces people are using now
  • [12:53:33] <mru> bridge and gateway have their own issues, and link/bios are very heavy
  • [12:53:44] <mru> and don't interact well with linux
  • [12:54:42] <RogerMonk> we want link to be scaleable so it's not heavy - i'd rather we add the bits u need and fix the 'heaviness' problem (if there is one)
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  • [12:55:13] <mru> one problem is that it permanently grabs a fair chunk of memory
  • [12:55:58] <RogerMonk> mru - yep, I agree - we'd like to fix that - but we constantly struggle with how to allocate 'physically' contiguous memory from linux after boot - hence the reason we reserve
  • [12:56:19] <mru> you don't need it physically contiguous
  • [12:56:24] <mru> IVA has an mmu
  • [12:56:25] <RogerMonk> on newer platforms there are mmu's on the DSP side, but not all our devices have this
  • [12:56:52] <RogerMonk> davinci / omap-lx / dm3xx, etc don't have mmu
  • [12:57:00] <mru> what's the point in having an mmu if you're not going to use it?
  • [12:57:16] <Crofton|work> mru, tormet people
  • [12:57:20] <Crofton|work> er torment
  • [12:58:10] <RogerMonk> it is used - just not for page table mapping - just protection - it certainly helps the dsp not crashing the arm...
  • [12:58:12] <koen> RogerMonk: bridge doesn't seem to need the contiguous mem
  • [12:58:19] <mru> the userspace interface could be done in a way that worked with or without dsp mmu
  • [12:58:49] <mru> basically a dsp_mmap() function
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  • [12:59:03] <RogerMonk> the userspace doesn't care about anyway...
  • [12:59:47] <koen> mru: something like openCL?
  • [12:59:49] <RogerMonk> userspace is PROC_load(dspExecutable), PROC_start(), etc and MSGQ_get/put, etc
  • [13:00:37] <RogerMonk> I agree though... that the reserving memory is painful
  • [13:01:41] <koen> it becomes more painfull on rev C beagles where you throw away 128MB of mem
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  • [13:06:23] <mru> that's unacceptable
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  • [13:21:09] <__alanc__> koen, mru - we'll reping folks on status of validation of mem=X,mem=Y hole trick for seamless 256mb .v. 128mb usage...
  • [13:22:31] <mru> why not bite the bullet and use the mmu?
  • [13:23:46] <mru> then you could do all sorts of neat tricks
  • [13:24:14] <mru> even allow dsp memory to be swapped out
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  • [13:24:55] <mru> of course for many applications that wouldn't be acceptable, but for many other it is fine
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  • [13:34:28] <__alanc__> mru - future TI Codegen tools versions will have dynamic loading support - cant quite give u an ETA though
  • [13:35:18] <__alanc__> i know Bridge has this already but its somewhat tied to Bridge (socket-node create/execute/delete + DOFF etc)
  • [13:35:24] <Crofton> http://gnuradio.org/trac/wiki/Gcell
  • [13:35:45] <Crofton> someone who knows about the DSP should read this paper and see how it applies
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  • [13:52:00] <s0lid> is BB TIs own project or somebody elses?
  • [13:52:58] <koen> the hardware has been designed by TI
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  • [14:04:29] <ldesnogu> Crofton: this looks too much cell centric; the only thing the could potentially be reused is their SIMD split *provided* that they didn't use floating-point
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  • [14:05:18] <Crofton> ldesnogu, thanks
  • [14:05:56] <mru> comparing omap with cell is rather far-fetched
  • [14:06:05] <Crofton> part of what I was wondering is would it be useful for cases where there were more then two heterogenous processors
  • [14:06:30] <Crofton> mru, mainly the general approach to passing work around
  • [14:06:39] <mru> a major difference here is that in omap both processors share the physical address space
  • [14:07:23] <mru> the cell SPEs have to use dma to transfer data between local store and main ram
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  • [14:09:08] <ldesnogu> Crofton: if all you're interested in is how to feed one processor doing the work (DSP) from an application CPU (ARM), forget that article :)
  • [14:09:58] <koen> ldesnogu: the omap-l13x have a floating point dsp
  • [14:10:11] <koen> ldesnogu: but then again, the l13x only has arm926 on the arm side
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  • [14:10:46] * koen has a look at the dspbridge oe recipes
  • [14:10:58] <ldesnogu> one Cell SPU is probably at the very least 4 to 8 times faster than the most powerful TI DSP be it FP or not
  • [14:11:34] <koen> hmmm
  • [14:12:04] <koen> it seems that people who treat linux kernel modules as symbian code also seem to treat OE recipes as symbian code
  • [14:12:45] * koen almost went in to a seizure after looking at the dspbridge recipes
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  • [15:14:23] <hrw> ~curse git send email
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  • [15:27:59] <mib_ffftd0> hello, what's the maximum power consumption of the bragleboard?
  • [15:30:02] <hrw> koen: first set of stable fixes from me sent
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  • [15:45:02] <ant_work> koen: it seems something is broken in angstrom-console-image wrt psplash vs. init scripts
  • [15:45:20] <ant_work> iirc S98 could not start
  • [15:46:01] <koen_> S98 is opkg, not initscripts
  • [15:46:07] <ant_work> koen: second thing is obexd...needing bluez4
  • [15:46:21] <ant_work> koen: offhand..OeTree is @home..
  • [15:46:43] <ant_work> I have the image installed, can track exact logs
  • [15:46:48] <ant_work> later
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  • [15:49:29] <ant_work> koen: good news is the worst issue seen on console seems repaired today...no shared libproc
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  • [16:05:33] <HaveAHen1essy> hyo
  • [16:05:36] <dirk2> hrw|gone: What's your issue with git send email? All I know is http://elinux.org/Git_usage#send-email , though. U-Boot people seem to really like it.
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  • [16:35:42] <adj> hmm... seems that linux kernels .28 introduces few changes in mmc host driver which causes beagle not to be able to use mmc/sd card properly anymore if CONFIG_OMAP_MUX is enabled
  • [16:36:04] <bkero> 8/win 42
  • [16:36:10] <adj> 9/lose 42
  • [16:37:34] * bkero wins
  • [16:38:19] <ds2> morning
  • [16:38:30] <ds2> adj: got a commit id?
  • [16:39:30] <adj> ds2: sorry, no. The problem isn't actually in the mmc host driver but in mux config settings
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  • [16:40:28] <adj> on rev B this is not an issue, because MMC1_WP is on another GPIO, which is set to mode 4 (GPIO) by kernel mux config
  • [16:41:11] <adj> but on rev C the MMC1_WP is on a different GPIO, which is then _not_ initialised as a GPIO in mux.c
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  • [16:46:24] <ds2> adj: I know... I been aware of the problem for over a month
  • [16:46:41] <ds2> IIRC, MMC1_WP is off the 4030
  • [16:47:24] <adj> no, WP is connected to OMAP, but MMC1_CD goes to 4030
  • [16:48:05] * mckoan is now known as mckoan|away
  • [16:48:25] <adj> commenting one line out of mux.c did the trick for me and now my beagle mounts rootfs happily from mmc with CONFIG_OMAP_MUX=y
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  • [16:49:42] <ds2> Hmmm
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  • [16:53:46] <sakoman> adj: In my experience, enabling CONFIG_OMAP_MUX is almost always a bad idea
  • [16:54:36] <sakoman> mux support for omap really needs a rewrite
  • [16:54:54] <sakoman> ds2 has promised to get right on it :-)
  • [16:55:03] <adj> sakoman: yes, but enabling I2C2 for beagle autosets CONFIG_OMAP_MUX
  • [16:55:41] <sakoman> yeah, I understand
  • [16:55:51] <ds2> Hmm
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  • [16:56:01] <ds2> some of us like CONFIG_OMAP_MUX
  • [16:56:07] <ds2> at least when it works...
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  • [16:56:22] <sakoman> ds2: probably explains why I don't like it :-)
  • [16:56:41] <sakoman> since I've never had that experience!
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  • [16:56:50] <adj> so perhaps I should tweak Kconfig and disable kernel mux that way and rely on u-boot mux config?
  • [16:57:24] <sakoman> adj: That is the approach I've decided to take until se get around to fixing omap3 mux in the kernel
  • [16:57:35] <sakoman> s/se/we/
  • [16:57:56] <sakoman> to each his own though . . .
  • [16:59:29] <adj> thanks, I'll have to decide what's the best workaround for me
  • [17:00:57] <koen_> sakoman: it seems I'm catching on to that shapeshifting thing as well: http://dominion.thruhere.net/koen/images/2009-04-20-160041.jpg
  • [17:01:07] <koen_> sakoman: done on a beagle with cheese :)
  • [17:01:09] * koen_ is now known as koen
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  • [17:05:01] * koen just lost an hour playing with cheese on the beagle
  • [17:05:42] <eFfeM> beagle ? cheese ? I feel I'm in the wrong chatroom
  • [17:05:58] <eFfeM> koen, never play with your food!
  • [17:06:04] <koen> eFfeM: http://live.gnome.org/Cheese
  • [17:06:22] <eFfeM> i know
  • [17:06:31] <eFfeM> still haven't gotten my webcam working
  • [17:06:47] <eFfeM> there are still usb issues with it
  • [17:07:02] <eFfeM> and ofc as usual i got sidetracked
  • [17:09:08] * koen would like to get cheese working with the omapzoom webcam
  • [17:09:13] <koen> s/web//
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  • [17:13:28] <eFfeM> is there a better/simpler way to harvest all .jpg files in a dir tree than just recursively calling readdir?
  • [17:14:32] <s0lid> http://www.youtube.com/watch?v=Z80_jQTdX2g awesome or pure awesomeness :D?
  • [17:16:59] <sakoman> Koen Kooi is a Shape-Shifting Reptilian Alien!
  • [17:17:36] <eFfeM> koen, you're lucky, for a moment I read sakoman thought you were an antillian :-)
  • [17:18:36] <koen> :)
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  • [17:34:57] <Crofton|work> rofl, we need to do everyone in that effect
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  • [17:44:03] <koen> hrw|gone: http://patchwork.openembedded.org/project/openembedded/list/?state=*&q=oe%2CSTABLE
  • [17:46:04] <hrw|gone> koen: will merge tomorrow
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  • [17:46:08] * hrw|gone -> party
  • [17:47:22] <slim11> has anyone had success with SMC wireless adaptors?
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  • [18:35:05] <Xenion> moin moin @ all :-)
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  • [19:57:34] <s0lid> Do SDHC cards work as boot media?
  • [19:57:54] <vlad_> seem to work for me
  • [19:57:55] <s0lid> 8GB nor 16GB SD cards are cheap as soap
  • [19:58:23] <s0lid> 16GB Class6 is 21e =p
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  • [19:59:55] <eFfeM> s0lid: there are issues with SDHC, some people including me get errors -110 after booting. there is a crude patch for that in 2.6.29
  • [20:00:04] <eFfeM> depends also on the SDHC card
  • [20:02:40] <s0lid> Ok, so it's possible to fix with patch, no problem then :)
  • [20:04:43] <eFfeM> patch increases the timeout value
  • [20:05:10] <s0lid> Expansion port have pins named MMC2_**** they're activated as default?
  • [20:05:27] <eFfeM> no idea, guess not
  • [20:06:41] <s0lid> but well it doesn't hurt to try when i get my board =)
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  • [21:29:44] <board_stupid> hello ... are there any beagle experts online?
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  • [21:29:56] <xander85> i hope i need some help too :)
  • [21:30:17] <board_stupid> i want to know if I can use the beagle OTG port to emulate a pendrive rather than the normal network connection?
  • [21:30:38] <board_stupid> xander85 ... what's your question, might be able to help if not tooo hard core
  • [21:31:06] <xander85> ok cool
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  • [21:31:14] <board_stupid> and more explicitly.... is there some sample code anywhere out there?
  • [21:31:50] <xander85> im trying to get my board to startup as fast as possible and I've eliminated some startup processes with update-rc.d, but I've been told to completely eliminate stuff like bluetooth i need to reconfigure the kernel
  • [21:32:22] <xander85> Which file is the kernel, uImage.bin? and what do I use to reconfigure it? bitbake?
  • [21:32:29] <xander85> im a newbie sorry and need some good direction
  • [21:33:17] <board_stupid> hmm... sorry :( bit too hardcore for me... :)
  • [21:33:53] <xander85> hmmm ok
  • [21:33:53] <board_stupid> there should be some details on how to build the kernel somewhere (Iwill have a quick look around)
  • [21:34:14] <xander85> ok let me know ill keep looking around too
  • [21:34:37] <board_stupid> then it should be a case of changing the config to remove modules that aren't needed
  • [21:35:10] <board_stupid> if you remove a module that looks redundant but is actually needed then it probably won't boot at all
  • [21:35:57] <xander85> yeah thats what im thinking, just not sure where to start
  • [21:36:18] <xander85> like for the a standard linux kernel I know you can use make menuconfig and enable/disable options there
  • [21:36:26] <xander85> not sure how to do this with angstrom/BB tho
  • [21:37:24] <board_stupid> Do you know how long it is before the first rc.d script starts...? (Kernel tweaking will only reduce the time until the first script starts)
  • [21:37:42] <xander85> about 25 secs
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  • [21:38:00] <xander85> ive heard I can do some other things like start with a decompressed kernel, not sure how to do this either tho
  • [21:38:18] <xander85> oh actually i dont know about the answer to your question
  • [21:38:29] <xander85> i think maybe 20 seconds or so though
  • [21:40:56] <board_stupid> not running a compressed kernel is quite easy... just don't compress it (the kernel is machine code, a compressed kernel is machine code with a self-extractor)
  • [21:41:53] <board_stupid> found quite a lot of google hits for "build beagleboard angstrom from source", haven't found a step-by-step yet tho :)
  • [21:42:13] <xander85> how do I do that though? just uncompress the kernel .bin file on my sd card?
  • [21:42:36] <xander85> cool
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  • [21:43:25] <xander85> i just found a lot on the Beagleboard - Google Code site (http://code.google.com/p/beagleboard/) a lot of stuff under Sources and Wiki
  • [21:45:14] <board_stupid> don't think so... a compressed kernel image isn't a pure "gzip" as it needs to inject the uncompressed self-extractor. One of the last build steps is to create the compressed kernel image.
  • [21:45:17] <board_stupid> Ace
  • [21:45:34] <xander85> ok cool
  • [21:45:59] <xander85> well i got the linux kernel config going by download the kernel image and extracting it from the google code page and running "make menuconfig" in a terminal window
  • [21:46:05] <xander85> gonna see what I can do now
  • [21:47:34] <board_stupid> also found this link with stuff at the bottom: http://flo.mur.at/hardware/prap/beagle-board-setup-options
  • [21:48:17] <board_stupid> (well, the useful link on that page is to here: http://code.google.com/p/beagleboard/wiki/BeagleSoftCompile)
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  • [21:51:43] <xander85> ok cool ill check it out
  • [21:59:13] <xander85> do you know anything about power management?
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  • [22:00:43] <board_stupid> nope sorry... USB power is giving me enough for my project :)
  • [22:00:53] <xander85> sounds good :)
  • [22:01:05] <xander85> im trying to put the board in some kind of sleep mode and be able to wake it up faster then a reboot
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  • [22:02:56] <Xenion> Gute Nacht jungs ! :-)
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  • [22:03:54] <board_stupid> the board is already "low power"... :) "suspend to ram" might work
  • [22:04:13] <board_stupid> it might be worth downloading the Texas Instruments PDF for the CPU to see if it has a sleep mode (and what wake up options you then have)
  • [22:05:27] <board_stupid> the datasheet is here: http://www.ti.com/lit/gpn/omap3530
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  • [22:08:14] <board_stupid> hmmm... promising, the CPU supports an "ultra low power standby"
  • [22:08:26] <xander85> ok cool
  • [22:08:53] <xander85> do you know what the average boot time is on a board? I was watching a video at beagleboard.org/media and that board booted up in about 5 seconds
  • [22:09:09] <xander85> maybe im doing something wrong with my whole setup
  • [22:09:58] <board_stupid> i thought it was a second or so to start rc.d scripts (then really depends what you've got running in there)
  • [22:10:37] <xander85> how fast does your board boot up to the login prompt?
  • [22:11:37] <board_stupid> dunno as I'm not using it as a "desktop", but as a network attached server (with no console)
  • [22:12:01] <xander85> ok
  • [22:12:07] <board_stupid> I could try attaching a serial console cable (but will need to find one first :)
  • [22:12:23] <xander85> its not a big deal
  • [22:12:26] <xander85> ill keep working on it
  • [22:12:39] <xander85> i have a feeling it is supposed to boot a lot faster then mine actually is
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  • [22:13:17] <board_stupid> are you booting from internal flash (or a REALLY slow SD card / USB drive ??)
  • [22:13:26] <xander85> sd card
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  • [22:13:41] <xander85> never thought about that haha
  • [22:13:52] <likewise> guys there is #beagle channel :-)
  • [22:14:11] <xander85> what channel is this
  • [22:14:19] <likewise> oops wrong channel - uh well right channel, wrong window :-)
  • [22:14:45] <xander85> how/what files do I need on the internal flash to get it to boot?
  • [22:14:59] <xander85> then im assuming the distribution is loaded on the sd card?
  • [22:15:31] <board_stupid> you just need the uImage file
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  • [22:17:01] <xander85> so flash that to the NAND flash?
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  • [22:19:47] <board_stupid> yup.... just booted mine and it was back responding to network in 15 seconds
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  • [22:20:28] <JoeSchmo> can someone confirm that the OMAP3530 is a armv7l?
  • [22:20:46] * Weiss (n=taw27@zazu.bitwiz.org.uk) Quit (Read error: 104 (Connection reset by peer))
  • [22:20:51] <mru> JoeSchmo: yes
  • [22:20:57] <JoeSchmo> have a beagle board on order and looking to get a cross compiling toolchain goin
  • [22:21:06] <JoeSchmo> cool, thanks
  • [22:23:42] <board_stupid> I would like to get some USB OTG stuff going... basically want to make the entire beagleboard appear to be a pendrive to another computer. I know OTG can do it, just don't know if linux and/or beagle can do it... any one got any ideas? Ta.
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  • [22:26:18] <JoeSchmo> board_stupid, check out usb gadget support in the linux kernel
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  • [22:27:51] <tavl> anyone knows a TexasInstruments #chan?
  • [22:28:35] <tavl> (or where i can find help about c6x arch/compilers)
  • [22:29:06] <xander85> so youre booting from NAND?
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  • [22:30:12] <board_stupid> JoeSchmo: thankyou... right time to recompile with CONFIG_USB_GADGET on :)
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  • [22:30:51] <JoeSchmo> its not only CONFIG_USB_GADGET, check the menu, there's more you need, and beyond that, i've only used it for networking, never for storage, though i remember seeing a module
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  • [22:31:44] <board_stupid> yup booting from NAND
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  • [22:32:37] <board_stupid> thanks joe - done plenty of kernel hacking before so a start like that will get me all the relevant kernel code / user mode APIs et al - should be up and running pretty quick...!
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  • [22:41:54] <board_stupid> phah, times like this I feel so stupid... don't even need to go running around kernel source code (http://www.linux-usb.org/gadget/) has it all nicely documented
  • [22:42:30] <NishanthMenon> board_stupid, http://nishanthmenon.blogspot.com/2008/12/quick-removable-drive-with-omap3.html might be of a little help i hope
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  • [22:44:32] <board_stupid> thanks NishanthMenon got it sorted out and off to bed now...
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  • [22:44:49] <NishanthMenon> k.. bye
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  • [22:52:05] <mru> koen: I got dropbear running on the blackfin
  • [22:53:06] <ds2> speaking of the BF, does that have PM support?
  • [22:53:38] <mru> there's a chapter about it in the manual
  • [22:53:42] <mru> haven't read it
  • [22:53:51] <ds2> but does it work in Linux
  • [22:54:04] <mru> not a clue
  • [22:54:10] <ds2> 'k
  • [22:54:11] <mru> mine is mains powered anyway
  • [22:54:48] <mru> and considering the trouble I had getting a simple shell running, I'm not going to go looking for more
  • [22:55:05] <ds2> what problems were you having?
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  • [22:55:21] <ds2> spent the last 2 months working with someone on another uClinux platform and it seems to mostly work
  • [22:55:24] <mru> gcc an uclibc not playing ball
  • [22:55:55] <mru> I'm not running a standard uclinux
  • [22:56:00] <ds2> hmmm that might explain some of the odd makefiles the toolchain guys did
  • [22:56:08] <ds2> neither were they
  • [22:56:15] <mru> I'm not using uclinux at all in fact
  • [22:56:35] <mru> bit of gentoo and a bit of random poking
  • [22:56:38] <ds2> oh...that can get painful given all the hacks they did
  • [22:57:00] <mru> the hard part was finding the magic uclibc config that works
  • [22:58:04] <mru> next up: nfs
  • [22:58:30] <ds2> I suspect it may be easier to get MUSB working perfectly... but then I am not the most optimistic person about NFS
  • [22:58:50] <mru> I'm running nfs root now
  • [22:58:57] <mru> just need to mount a few more filesystems
  • [22:58:59] <ds2> oh nice
  • [22:59:10] <mru> this board doesn't even have a usb port
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  • [22:59:33] <ds2> doesn't all BF's have the MUSB block?
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  • [23:00:33] <mru> I don't see it in the manual
  • [23:00:44] <mru> it's a BF537
  • [23:00:47] <ds2> I see
  • [23:01:14] <mru> it has ethernet and I'm happy with that
  • [23:01:28] <mru> and various other interfaces
  • [23:01:36] <ds2> what chip are they using for the ethernet?
  • [23:02:27] <mru> onchip mac
  • [23:02:32] <mru> SMSC LAN83C185 phy
  • [23:02:46] <ds2> hmm
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  • [23:33:04] <odesus> Hi good evening!
  • [23:33:19] <odesus> Does anybody has worked with android on beagle?
  • [23:35:21] <mru> ds2: there, nfs working nicely
  • [23:36:11] <emeb> mru: what toolchain are you using for the BF?
  • [23:36:27] <mru> gcc/binutils/uclibc
  • [23:36:58] <emeb> cool. I've been interested in playing with BF but didn't want to deal with ADI's $$ tools
  • [23:37:40] <mru> it took a bit of messing around to get it working
  • [23:37:49] <emeb> I'd imagine.
  • [23:38:09] <emeb> wish there was a cheap dev board for BF though - official ones are expensive.
  • [23:38:25] <mru> the one I'm using looks rather cheap
  • [23:38:30] <emeb> which one?
  • [23:38:48] <emeb> oh - cheap as in low quality. :)
  • [23:39:06] <mru> doesn't have many bells and whistles
  • [23:39:15] <mru> lots of low-level connectivity
  • [23:39:20] <mru> i2s, spi etc
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  • [23:39:36] <emeb> eh - basically want some GPIO, SPI, I2S for audio work
  • [23:40:47] <mru> I'm trying to find a web page for the board
  • [23:41:03] <emeb> thx
  • [23:43:32] <mru> http://www.analog.com/en/embedded-processing-dsp/blackfin/BF537-STAMP/processors/product.html
  • [23:46:19] <emeb> Looking for someone who actually sells it - the EZKIT-LITE is $350
  • [23:47:22] <emeb> Digi-Key - $215
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  • [23:47:36] <geckosenator> what is it?
  • [23:47:56] <emeb> ADSP-BF537-STAMP - Analog Devices DSP dev board. Way OT
  • [23:48:16] <emeb> TI stabs ADI. :)
  • [23:48:52] * [-ip-] (n=ts@mnhm-590eabbb.pool.einsundeins.de) Quit ()
  • [23:48:53] <mru> the arm side of omap is much friendlier
  • [23:49:00] <mru> this thing doesn't even have an mmu
  • [23:49:04] <emeb> Just what I was thinking
  • [23:49:18] <emeb> I'm suspicious of the '16/32-bit' nomenclature
  • [23:49:34] <emeb> Probably means 'works like a 68k'
  • [23:49:40] <mru> that could mean two things
  • [23:50:00] <mru> the ALUs and multipliers can operate on 16-bit or 32-bit data
  • [23:50:25] <mru> the instructions are a mix of 16 and 32 bits in size
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  • [23:50:28] <mru> like thumb2
  • [23:50:47] <emeb> Yeah - need to do some reading up before getting too deep into it.
  • [23:50:59] <mru> it's also a bit like 68k with separate address and data registers
  • [23:51:19] <emeb> Ah - strange. Better off trying to figure out the DSP on OMAP
  • [23:51:27] <mru> I only started looking at it yesterday
  • [23:51:46] <emeb> And you've already got a toolchain and TCP/IP working. Yay you!
  • [23:53:42] <emeb> My understanding was that BF was joint-designed by ADI & Intel as part of Intel's foray into mobile market.
  • [23:54:10] <emeb> Whole thing collapsed. ADI kept BF, Intel sold Xscale to Marvell.
  • [23:55:27] <emeb> baseband ran on BF, apps ran on Xscale - not unlike OMAP.
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