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  • [00:36:50] <torusle> hi folks
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  • [00:42:58] <hlfshell> wget http://ports.ubuntu.com/pool/main/d/debootstrap/debootstrap_1.0.13~jaunty1_all.deb is returning 404 not found. anyone know what the real address is or where it moved to?
  • [00:44:02] <rcn-ee> hlfshell, just use the latest at: http://ports.ubuntu.com/pool/main/d/debootstrap/ i'll update the wiki for easy copy/paste
  • [00:44:55] <edufelipe> Hi folks! I'm getting a "vo: couldn't open the X11 display ()!" error when trying to use mplayer. Any thoughts?
  • [00:44:55] <hlfshell> thank you rcn-ee
  • [00:45:02] <hlfshell> is that 9.10 or 9.04?
  • [00:45:48] <hlfshell> oh nm
  • [00:46:24] <rcn-ee> both, karmic will come with 1.0.20, if you apt-get it, but rootstock is in apt-get so it'll pull the correct dependices..
  • [00:46:34] <edufelipe> Nevermind. I forgot to "export DISPLAY=:0"
  • [00:47:21] <torusle> hey - does anyone knows how to execute code in "secure privileged" operation-mode? I want to enable some things in CP14 and CP15.
  • [00:47:53] <torusle> executing from a kernel-module is not secure enough.
  • [00:49:34] <mru> what things?
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  • [00:56:43] <Gh0st75> hullo
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  • [01:05:26] <djlewis> mru: so how was the first work day off work ;)
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  • [01:06:46] <djlewis> GrizzlyAdams:Yo, how ya doin?
  • [01:08:13] <djlewis> Interesting, if the subject is well illuminated I get video dropouts from my webcam.
  • [01:08:26] <djlewis> On my BB, that is.
  • [01:08:33] <mru> djlewis: nice and quiet
  • [01:08:43] <djlewis> mru: :)
  • [01:09:09] <mru> I need to work out a routine, or I'll become disorganised
  • [01:09:25] <GrizzlyAdams> djlewis: working on stabilizing my usb port :P
  • [01:10:16] <djlewis> mru: you worked there a long time?
  • [01:10:38] * djlewis throws GrizzlyAdams some duct tape.
  • [01:10:45] <mru> djlewis: 4 years
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  • [01:10:52] <mru> that's about 2 years too many
  • [01:11:04] <GrizzlyAdams> djlewis: actually i gotta solder on a 22uF cap to C97 :P
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  • [01:11:51] <hlfshell> which is the current stable release for android - cupcake or donut?
  • [01:12:19] <djlewis> mru: last job I left was 4 years too. I sunk myself into my own projects for a time.
  • [01:12:32] <mru> hlfshell: whatever I'm not running on my archos ;-)
  • [01:12:45] <djlewis> cupcake, donut, these are release names ? :P
  • [01:12:58] <GrizzlyAdams> eclair
  • [01:13:07] <mru> is the next
  • [01:13:08] <djlewis> bearclaw
  • [01:13:27] <mru> there was no B cake
  • [01:13:40] <hlfshell> although if there was bearclaw would be awesome
  • [01:13:47] <hlfshell> man i hope F is not fruitcake
  • [01:13:49] <djlewis> bearclaw is an excellent desert pastry :)
  • [01:13:54] <mru> I'm hoping maybe waffle be stable
  • [01:13:59] <GrizzlyAdams> http://en.wikipedia.org/wiki/Pastry
  • [01:14:00] <djlewis> at least here in the south USA
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  • [01:15:09] <djlewis> Its just on BB that I have video issues with my webcam.
  • [01:15:22] <djlewis> And cpu cycles can be as low as 15%
  • [01:15:37] <GrizzlyAdams> djlewis: usb webcam?
  • [01:15:43] <djlewis> yup
  • [01:16:09] <GrizzlyAdams> you might be hitting a similar problem to me, where usb becomes unstable with high volumes of data
  • [01:16:31] <djlewis> solid as a rock dimmly lit subject
  • [01:17:57] <GrizzlyAdams> eh?
  • [01:21:33] <djlewis> had a seg fault now I have two mplayer tasks that wont die :P
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  • [01:24:56] <djlewis> kill -9 number wont get rid of them. Logout and back dont.
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  • [01:27:20] <djlewis> well, they dont appear to be suing resources so I shall ignore them
  • [01:27:29] <djlewis> suing = using
  • [01:27:44] <GrizzlyAdams> deadlocked = unfortunate
  • [01:27:59] <GrizzlyAdams> when a process is deadlocked you're usually stuck rebooting to get rid of it
  • [01:28:20] <GrizzlyAdams> cause its waiting on the kernel / a driver to do something for it
  • [01:28:40] <djlewis> interesting.
  • [01:29:06] <GrizzlyAdams> i had it happen to me back when i ran linux on my desktop 10 years ago
  • [01:29:55] <djlewis> yep its keeping the v4l2 from opening /dev/video0
  • [01:31:07] <djlewis> but.. a /dev/video1 was created to make up for it :)
  • [01:31:43] <djlewis> device /dev/video0 went away.
  • [01:32:04] <mru> usb glitch?
  • [01:32:59] <djlewis> maybe as I was at 640x480
  • [01:33:28] <GrizzlyAdams> theres apparently a problem (documented on the list) with some C3 boards under heavy usb load. C4 is supposed to fix it
  • [01:33:35] <djlewis> I read a guys article that he had to use a usb 1.1 hub to force his webcams to be more reliable.
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  • [01:34:12] <djlewis> I have even placed my wifi on otg and webcam on EHCI but no better.
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  • [01:42:07] <GrizzlyAdams> :( just lost ehci and otg
  • [01:42:19] <GrizzlyAdams> while trying to download bluez-utils
  • [01:43:02] <djlewis> yeah, I blew out otg by moving a device on it
  • [01:43:11] <GrizzlyAdams> eek
  • [01:43:23] <djlewis> it is not blown. just a rebooot
  • [01:43:29] <GrizzlyAdams> yeah
  • [01:43:44] <GrizzlyAdams> thats what i'm talking about with the emi / cap issue
  • [01:44:35] <GrizzlyAdams> would love to see if forcing the otg port to 1.1 speeds would make it more stable
  • [01:45:20] <djlewis> hmm, been a long time since reboot. I disabled gpe-dm startup :)
  • [01:46:54] <GrizzlyAdams> i moved all my bootvar config over to a script so i don't have to touch u-boot's console unless something very bad happens
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  • [01:50:16] <djlewis> I do full boot from SD always
  • [01:51:19] <djlewis> Oh, different thing.
  • [01:51:37] <djlewis> I only set one var for display res.
  • [01:51:40] <GrizzlyAdams> yah
  • [01:52:37] <GrizzlyAdams> i think i have bootcmd='mmc init; fatload mmc 0:1 0x81600000 bootscr; source 0x81600000'
  • [01:53:07] <GrizzlyAdams> then everything else (kernel selection, bootargs, actual bootm) is done in the script
  • [01:53:41] <djlewis> I'd have to look. if it is not in 260000 for 20000 locations then it is saved.
  • [01:54:19] <djlewis> I erase the above per sakoman's recommendation.
  • [01:55:02] <GrizzlyAdams> now you have me lost
  • [01:55:33] <djlewis> after 2.6.28 using angstrom, erasing that area cleans it up for booting
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  • [01:55:48] <djlewis> in nand
  • [01:55:52] <GrizzlyAdams> oh
  • [01:57:01] <torusle> dooo - why are the dsplink headers all over the place and not in a single directory...
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  • [01:58:04] <djlewis> GrizzlyAdams: did I mention my webcams need sunglasses to view outdoors?
  • [02:00:21] <GrizzlyAdams> haha
  • [02:00:34] <GrizzlyAdams> my webcam tried to electrocute me :P
  • [02:00:41] <GrizzlyAdams> (it has a flash module)
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  • [02:59:14] <mru> 2.6.32-rc6-06421-g1119530 boots
  • [02:59:27] <mru> that's linux-omap + dss2 + oe patches + my patches
  • [03:00:30] <djlewis> mru: cool, is this a console version?
  • [03:00:42] <mru> yeah
  • [03:00:44] <mru> no X here
  • [03:00:51] <djlewis> thought so :)
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  • [03:34:31] <mru> grrr, dss2 doesn't want to work
  • [03:34:37] <mru> omapdss DPI: Could not find exact pixel clock. Requested 74250 kHz, got 0 kHz
  • [03:35:20] <djlewis> 74.2M sounds pretty high
  • [03:35:32] <mru> it's spot-on for 720p
  • [03:35:37] <djlewis> oh
  • [03:35:46] <mru> always used to work
  • [03:37:27] <GrizzlyAdams> try dropping to a lower framerate
  • [03:37:29] <ds2> nice refresh rate you got there with 0 KHz
  • [03:37:39] <ds2> is that a stone chiseling display you got there? :D
  • [03:37:42] <mru> GrizzlyAdams: something more fundamental is wrong
  • [03:37:57] <mru> this should work
  • [03:38:01] <djlewis> ds2: funny...
  • [03:38:02] <mru> and it used to work
  • [03:38:12] <GrizzlyAdams> you're possibly getting too much front/back porch
  • [03:38:26] <mru> THE SETTINGS ARE CORRECT
  • [03:38:26] <GrizzlyAdams> try using the reduced blanking option
  • [03:38:34] <GrizzlyAdams> :/
  • [03:38:49] <mru> it's the clock generation that's failing
  • [03:39:19] <GrizzlyAdams> whats your mode setting?
  • [03:39:34] <mru> same as always
  • [03:39:38] <mru> standard 720p
  • [03:39:45] <mru> that is not the problem
  • [03:39:45] <GrizzlyAdams> could you maybe paste it just to humor us?
  • [03:39:48] <mru> no
  • [03:40:55] <mru> http://pastebin.ca/1664422
  • [03:41:01] <mru> that doesn't look right
  • [03:41:09] <mru> any ideas?
  • [03:41:44] <snowman_> I know this is somewhat of a biased party but do you guys think that I should get a beagleboard to play with or stick with smaller electronics like my arduino. I know a little about everything like linux, programming, networking, hardware, etc.
  • [03:42:08] <GrizzlyAdams> snowman_: get a beagleboard
  • [03:42:24] <GrizzlyAdams> and a 5v regulated psu
  • [03:42:46] <snowman_> but why? what'd be the difference between that and a arduino besides processing power and a few more interfaces?
  • [03:42:56] <djlewis> yep
  • [03:43:25] <snowman_> btw i'm 15 so I don't have a lot of money to invest in the beagleboard.
  • [03:43:30] <GrizzlyAdams> arduino = . beagle = [!!!!!!!!!!!!!!!!]
  • [03:43:36] <rcn-ee> mru, was this with Tomi's updated 19 patches sent out on the list today? I had 720p working with the previous patch set for 2.6.32-rc5..
  • [03:43:59] <mru> I pulled a patchset from his gitorious tree
  • [03:44:00] <snowman_> GrizzlyAdams: ...
  • [03:44:01] <mru> today
  • [03:44:08] <GrizzlyAdams> beagle has so much more power compared to arduino its like getting a ferarri after driving a pinto
  • [03:44:38] <GrizzlyAdams> but at the same time, driving a ferarri requires a bit more skill than driving a pinto
  • [03:45:09] <snowman_> I know but all the extra connections and complexity in general is somewhat daunting. btw do you need much besides the beagleboard itself and an RS232 connector?
  • [03:45:23] <djlewis> mru: you got your BB running 600Mhz?
  • [03:45:37] <mru> hmm, actually I do
  • [03:45:42] <mru> do you think that's the problem?
  • [03:45:48] <djlewis> that explains line 8
  • [03:45:49] <mru> it used to work
  • [03:46:42] <ds2> mru: could it be you were somehow relying on side effects in U-boot to setup your clocks?
  • [03:46:53] <mru> no u-boot change
  • [03:47:04] <ds2> right
  • [03:47:13] <snowman_> see like right now I don't have much of an idea about what you're talking about
  • [03:47:20] <ds2> the newer kernel could be cleaning up things or forcing it to a known state
  • [03:47:31] <ds2> seem to recall there was something about clock cleanups
  • [03:47:36] <rcn-ee> according to his email, he did improve the 'dsi' code..
  • [03:47:44] <djlewis> snowman_: if we did the problem would go away ;)
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  • [03:48:11] <snowman_> lol but you're terminology is what I don't understand...
  • [03:48:20] <snowman_> I guess that comes with learning
  • [03:48:54] <djlewis> snowman_: yes, and if you are as young as you say you are then you have a lot of space left for it. :)
  • [03:49:29] <snowman_> yah I actually am 15, I'm not one of those creepy 40 year olds posing as a kid looking for sum booty :-$
  • [03:49:39] <GrizzlyAdams> when i was that young i was writing menus for dreamcast, and window managers for X
  • [03:49:50] <mru> snowman_: you wouldn't find any here...
  • [03:49:58] <snowman_> LOL
  • [03:50:03] <djlewis> When I was that young a computer filled a large room.
  • [03:50:11] <mru> nice to see some kids taking interest in Real Stuff ;-)
  • [03:50:24] <snowman_> I can't find one thing to keep learning about... my mind jumps all over the place cuz I find it all interesting
  • [03:50:25] <snowman_> LOL
  • [03:50:27] <GrizzlyAdams> theres less than 1% chance of finding a cute girl in here teens in here.
  • [03:50:38] <snowman_> you never know
  • [03:50:45] <Animule> "IRC... Where the men are men and most of the women are too."
  • [03:50:54] <snowman_> ROFL
  • [03:51:06] <djlewis> hehee
  • [03:51:06] <mru> aka GIRL
  • [03:51:36] <GrizzlyAdams> the creepy folks don't hang out on freenode, and the ones that do are in #richardstallmanworship
  • [03:51:50] <snowman_> like I said do you need much besides the board itself and a few connectors? like $200? I'm about to sell my 360 so I have a nice cashflow toward my electronics
  • [03:52:00] <snowman_> haha
  • [03:52:06] <mru> GrizzlyAdams: and in #netbsd-furries
  • [03:52:15] <mru> that channel actually exists
  • [03:52:16] <GrizzlyAdams> and likely eating the cruft they find between their toes while they wait for him to do something...
  • [03:52:26] <GrizzlyAdams> mru: haha
  • [03:52:46] <snowman_> Do any of you guys remember back to telephone modems and dumb terminals?
  • [03:52:54] <snowman_> or is that too old?
  • [03:52:58] * GrizzlyAdams has run screaming from a room filled with furries before
  • [03:53:07] <mru> GrizzlyAdams: I only know because a furry we banned from #alpha was there too
  • [03:53:09] <djlewis> that question was asked earlier
  • [03:53:15] <GrizzlyAdams> snowman_: i've got 300 baud modems
  • [03:53:32] <GrizzlyAdams> somewhere i have a 75baud dedicated line modem
  • [03:53:34] * mru only goes down to 2400
  • [03:53:42] <Animule> I still have a 2400 data/fax modem
  • [03:53:45] <mru> and that's pushing it
  • [03:53:50] <djlewis> I started at 75baud
  • [03:53:51] <GrizzlyAdams> (75 baud dedicated line modems are *useless*)
  • [03:54:08] <snowman_> wow... man... now was minicom or telix a piece of software that was like the only code on a dumb terminal or was that somehting on a modem?
  • [03:54:09] <GrizzlyAdams> you can only connect to another fixed point with them
  • [03:54:16] <djlewis> GrizzlyAdams: still faster than I can type :P
  • [03:54:28] <mru> a dumb terminal has *no* code
  • [03:54:31] <GrizzlyAdams> snowman_: both were "smart terminal emulators"
  • [03:54:39] <Animule> *click*
  • [03:54:39] <djlewis> sure it fdoes mru
  • [03:54:39] <mru> nothing you can see at least
  • [03:54:45] * Animule 's laundry just finished
  • [03:54:51] <djlewis> a firmware and font
  • [03:54:54] <Animule> whoa, both washer and dryer at the same time...
  • [03:55:04] <snowman_> but how did the software play in to that era? dumb terminal -> modem -> mainframe
  • [03:55:05] <mru> djlewis: of course there's a computer of some kind inside
  • [03:55:10] <snowman_> wheres the minicom software?
  • [03:55:11] <GrizzlyAdams> i've got some smart terminals in my collection too, vt340+ (really nifty, even does 800x480 graphics)
  • [03:55:27] <GrizzlyAdams> snowman_: minicom is a unix modem terminal package
  • [03:55:28] <djlewis> nide term
  • [03:55:31] <djlewis> nice
  • [03:55:42] <ds2> mru: which kernel is failing for you?
  • [03:55:45] <snowman_> well then how did you dial out on a dumb terminal?
  • [03:55:56] <GrizzlyAdams> you type in AT commands to your modem
  • [03:56:09] <djlewis> software does that for you now
  • [03:56:10] <mru> ds2: 2.6.32-rc6-something
  • [03:56:11] <GrizzlyAdams> or if you have a really old modem you pickup the phone, dial, then push a button on the modem
  • [03:56:19] <ds2> you manually dial then use ATO
  • [03:56:31] <ds2> or toggle DTR
  • [03:56:37] * djlewis used an acoustic once
  • [03:56:46] <snowman_> so the modem had a few commands on it that let you dial in to a mainframe and then it connected and it just passively sent the info to the mainframe?
  • [03:56:47] <ds2> mru: hmmm did it work with 2.6.31?
  • [03:56:59] <GrizzlyAdams> i have a recalvadic 1200 baud that you dial, push a button, and wait
  • [03:57:14] <snowman_> lol ya'll are so old ;-)
  • [03:57:21] <GrizzlyAdams> pfft i'm only 27
  • [03:57:25] <mru> I'm only 29
  • [03:57:39] <snowman_> thats 175% of my life span
  • [03:57:42] <djlewis> i'm a 14 year old sweet girl :)
  • [03:57:44] <GrizzlyAdams> i should mod my lpt port flat bed scanners into cameras one of these days
  • [03:57:46] <snowman_> lol
  • [03:58:00] <snowman_> but look up a few and was that how the connection worked?
  • [03:58:17] <snowman_> google does nothing since its like 30 years old
  • [03:58:28] <snowman_> I spent about 4 hours trying to find how this stuff worked
  • [03:58:46] <djlewis> bound to be on wiki
  • [03:59:19] <snowman_> It just talks about minicom and telix which is why I asked. Didn't talk much about the dumb terminal -> modem interaction
  • [03:59:54] <djlewis> yep, a dumb terminal just ends and receives ascii bytes
  • [04:00:09] <djlewis> type 'a' sends 41h
  • [04:00:25] <djlewis> they send 'a' display shows 'a'
  • [04:00:43] * cody_ (n=cody@dslb-084-056-111-254.pools.arcor-ip.net) has joined #beagle
  • [04:00:58] <snowman_> but the dumb terminal tells the modem to connect to a certain number with its one command and then just passivly sends data to there?
  • [04:01:06] <GrizzlyAdams> snowman_: http://en.wikipedia.org/wiki/Hayes_command_set
  • [04:01:14] <djlewis> you type the command
  • [04:01:32] <djlewis> atdt 5551212 dials that number
  • [04:01:43] <mru> ATDP FTW
  • [04:01:56] <snowman_> then it connects and you never see the modem until you restart it or quit from the server or something?
  • [04:02:00] <djlewis> got me.
  • [04:02:09] * Yuvie (n=yuvi@resnet-234-148.resnet.UMBC.EDU) has joined #beagle
  • [04:02:18] <djlewis> Oh a cool modem will have neat blinky lights
  • [04:02:23] <mru> there's usually a special break code you can type
  • [04:02:23] <snowman_> thanks grizzly, thats what I've been lookin for
  • [04:02:36] <GrizzlyAdams> the smart modems have two modes, online and offline, one is for interacting with the modem's firmware, the other is for remote systems, you can switch modes on the fly, but might get disconnected if the remote end sends you data and you don't respond to it
  • [04:02:52] <djlewis> tmi
  • [04:02:56] <snowman_> oh ok
  • [04:02:59] <snowman_> djlewis: lol
  • [04:03:15] * snowman_ enjoys not feeling confused
  • [04:03:43] <GrizzlyAdams> ie: you can enter +++ to switch to the firmware while still connected to a remote system, do some commands (for example to read a connection diagnostic on some later modems), then use ATO to go back Online and talk to the remote system again
  • [04:03:54] <snowman_> at least this IRC is filled with intelligent people
  • [04:04:19] <snowman_> I kinda wish I was born in 1960
  • [04:04:19] <djlewis> hey, the us time zone crowd :) cept mru
  • [04:05:01] <djlewis> yeah and I'd be 7 and have to baby sit ya.
  • [04:05:05] <GrizzlyAdams> some of the modem manufacturers ran their own bbses where you could call up using your modem, have the remote end do some line tests (with the cooperation of your modem), and then it sends back graphs with all the info about your phone line's frequency response
  • [04:05:10] <mru> djlewis: GMT ftw
  • [04:05:15] <snowman_> then I could follow tech and understand how it evolved by using it hands on. as opposed to being born into multi-dupexing 64-bit hyper-threaded stuff
  • [04:05:47] <snowman_> GrizzlyAdams: jeeze do u know this cuz this was your first modem or what?
  • [04:05:58] <djlewis> snowman_: you just get to think faster now ;)
  • [04:06:09] <snowman_> dammit I need to be doing my spanish hw
  • [04:06:09] <ds2> GrizzlyAdams: the USRs can do some of that w/o anything special
  • [04:06:16] <Crofton|work> urg, home
  • [04:06:24] <mru> morning Crofton|work
  • [04:06:43] * hlfshell (n=keith@ool-4355b300.dyn.optonline.net) Quit ("Leaving")
  • [04:06:47] <snowman_> USR = ?
  • [04:06:54] <snowman_> United soviet republic?
  • [04:06:56] <djlewis> brand modem
  • [04:07:05] <snowman_> oh lol
  • [04:07:08] <snowman_> so close
  • [04:07:10] <djlewis> US Robotics
  • [04:07:14] <GrizzlyAdams> lol, i've been building stuff since i was 2, i took apart my family's apple II+ and rebuilt it many times over (down to replacing capacitors, memory chips, and logic gates)
  • [04:07:32] <snowman_> damn man was that when they costed $1000?
  • [04:07:42] <snowman_> or when they were $10 at the flea market?
  • [04:07:46] <djlewis> GrizzlyAdams: well it only had 8 dips for ram
  • [04:07:48] <mru> as long as you didn't replace capacitors *with* logic gates...
  • [04:08:01] <snowman_> ? why you have with in quotes?
  • [04:08:09] <GrizzlyAdams> djlewis: fully loaded 48K w/ 128K ram card
  • [04:08:18] <mru> not quotes, stars
  • [04:08:22] <snowman_> but back then motherboards were WAY less complicated
  • [04:08:22] <mru> *stars*
  • [04:08:27] <djlewis> wow, you were up town :) GrizzlyAdams
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  • [04:08:38] <snowman_> oh sorry hard to see at my resolution:tv size ratio
  • [04:09:03] <mru> hey look, he's running irc on a c64
  • [04:09:14] <snowman_> lol who?
  • [04:09:14] <djlewis> would a S-100 bus be considered a motherboard?
  • [04:09:24] <GrizzlyAdams> djlewis: also several diskII drives (8), a promethus card, 80 col graphics, and midi card
  • [04:10:08] <GrizzlyAdams> i was hot swapping components back when it caused you to blow up a motherboard :P
  • [04:10:40] <snowman_> lol
  • [04:10:57] <djlewis> used to you could hot swap a floppy connector and not worry bout the bios re identifying it.
  • [04:11:35] * beagle_user (i=6349f530@gateway/web/freenode/x-qybuihttqsraldvw) has joined #beagle
  • [04:12:24] <snowman_> on a scale of 1 -10, how hard is it to compile ubuntu for the BB?
  • [04:12:35] <mru> djlewis: I've seen that done with IDE disks
  • [04:12:43] <GrizzlyAdams> snowman_: 3
  • [04:12:51] <djlewis> 2.5
  • [04:12:55] <snowman_> wait isn't there a tut int he wiki or something?
  • [04:13:00] <ds2> 0
  • [04:13:01] <GrizzlyAdams> you don't really compile it, you just build a distro
  • [04:13:15] <GrizzlyAdams> then format a fs, and unpack the distro into that fs
  • [04:13:20] <snowman_> oh yah cuz isn't debian the one that compiles at installation?
  • [04:13:22] <djlewis> or download it all put it on a sd and boot
  • [04:13:41] <GrizzlyAdams> debian is easier to install than ubuntu
  • [04:13:57] <snowman_> how?
  • [04:14:06] <GrizzlyAdams> you just stick 2 files on your sd card, then boot the beagle board up and go
  • [04:14:19] <snowman_> 2 files = ? & ?
  • [04:14:19] <GrizzlyAdams> you can do it with only a windows box
  • [04:14:26] <snowman_> what a rip
  • [04:14:27] <GrizzlyAdams> kernel & installer initrd image
  • [04:14:34] <snowman_> oh wow
  • [04:14:42] <snowman_> and ubuntu is different how?
  • [04:15:10] <GrizzlyAdams> you have to do the install using another linux box as a surrogate
  • [04:15:28] <snowman_> would you want to kill me if I asked you to explain?
  • [04:15:56] * djlewis is looking for travel deals from Little Rock to Austin
  • [04:15:59] <GrizzlyAdams> http://elinux.org/BeagleBoardUbuntu <- all pretty much layed out there
  • [04:16:18] <snowman_> thank you very much
  • [04:16:23] <snowman_> :-)
  • [04:16:46] <snowman_> well i'ma do my spanish I hw...
  • [04:16:56] <GrizzlyAdams> in theory you could use the debian installer initrd to pull down a ubuntu rootfs tarball and unpack it
  • [04:17:41] <snowman_> jeeze... this is much more complicated than the arudino...
  • [04:17:48] <snowman_> I was happy to get serial communcations down pat
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  • [04:21:18] <GrizzlyAdams> if i could get usb to be reliable on the beagleboard i could easily get a project that calls for 100 omap based systems (highway rest-stop map kiosks)
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  • [04:21:56] <snowman_> jeeze
  • [04:21:58] <GrizzlyAdams> i have a customer that uses 1ghz celeron boxes right now and they are all overheating in what is essentially an arcade cabinet
  • [04:22:18] <snowman_> ?
  • [04:22:26] <snowman_> so?
  • [04:23:08] <GrizzlyAdams> replace them with beagleboards and stop the kiosks from crashing
  • [04:23:26] <ajay> hi to all,what should be kernel parameter too boot beagleboard over S-video port from SD card
  • [04:23:26] <snowman_> oh gotcha
  • [04:24:08] <GrizzlyAdams> ajay: http://code.google.com/p/beagleboard/wiki/LinuxHints
  • [04:25:05] <GrizzlyAdams> ajay: also, http://groups.google.com/group/beagleboard/browse_thread/thread/a57950001eeb54be/fc252d23f8eebc17
  • [04:25:44] <djlewis> GrizzlyAdams: if you make it too efficient then you wont have trouble calls.
  • [04:26:14] <GrizzlyAdams> djlewis: we don't have trouble calls for these, and the client is losing money right now servicing them.
  • [04:26:30] <djlewis> oh, then work you magic :)
  • [04:26:31] <GrizzlyAdams> he basically drives around the state rebooting the machines
  • [04:27:26] <GrizzlyAdams> i gotta see what printers and displays hes using, and if they have linux support
  • [04:27:55] <djlewis> so far my hplj's wont work.
  • [04:27:55] <snowman_> why would a kiosk have a printer?
  • [04:28:08] <djlewis> thats getting spanish done
  • [04:28:11] <GrizzlyAdams> it prints maps for people
  • [04:28:25] <snowman_> oh gotcha
  • [04:28:35] <GrizzlyAdams> ie: you type in "City Name" and it gives you directions from the current kiosk location
  • [04:29:56] <snowman_> ay dios mio, odio trabajar en mi espanol a mi casa
  • [04:34:48] <GrizzlyAdams> no fumar en el bano
  • [04:34:56] <mru> if I disable the dsi pll I get a signal
  • [04:35:06] <snowman_> no what? in the bathroom?
  • [04:35:08] <mru> but the idiotic monitors refuse to accept it
  • [04:35:14] <GrizzlyAdams> no smoking in the bathroom
  • [04:35:19] <snowman_> oh lol
  • [04:35:25] <mru> even I knew that...
  • [04:35:33] <snowman_> salta in el bano
  • [04:35:43] <snowman_> llora en el bano
  • [04:35:53] <GrizzlyAdams> i should refrain from telling you the naughty bits that will make your spanish teacher angry
  • [04:36:03] <snowman_> pera
  • [04:36:05] <snowman_> = bitch
  • [04:36:10] <snowman_> asno = ass
  • [04:36:15] <mru> GrizzlyAdams: you mean the useful bits
  • [04:36:28] <snowman_> perra*
  • [04:36:35] <snowman_> puta = whore
  • [04:36:46] <ds2> mru: I think it used to work for you before is because you relied on U-boot side effects
  • [04:36:48] <snowman_> bonito = can mean gay
  • [04:37:10] <GrizzlyAdams> this isn't the place for bad spanish lesson
  • [04:37:15] <snowman_> ano = anus
  • [04:37:19] <snowman_> lol i'll stop
  • [04:38:05] <mru> ds2: and why would they have suddenly gone away?
  • [04:38:10] <mru> I didn't change u-boot
  • [04:40:51] <mru> and more importantly, do you have any ideas for fixing it?
  • [04:43:57] <GrizzlyAdams> any omap specific -march -mtune -mcpu flags i should use?
  • [04:44:09] * GPSFan (n=kenm@64.92.145.112) Quit ("Ex-Chat")
  • [04:44:10] <mru> -mcpu=cortex-a8
  • [04:44:21] <mru> no need for -march and -mtune
  • [04:46:10] <GrizzlyAdams> thx
  • [04:46:35] <ds2> mru: cuz thekernel is probally initializing more of the clocks now
  • [04:46:45] <GrizzlyAdams> hrm, the otg port seems much more stable than the ehci port
  • [04:46:57] <ds2> mru: and if the code didn't request the clock properly, it'd fail
  • [04:53:10] <djlewis> I enjoyed the visit guys, hitting the sack though.
  • [04:53:20] <djlewis> gn all
  • [04:54:44] <GrizzlyAdams> i can't decide if i want a 2gb rsmmc or 32gb sd class 6 card
  • [04:57:30] <mru> ds2: do you recall any recent changes?
  • [04:58:53] <snowman_> would converting the dvi to vga lower the performance/quality of anything?
  • [04:59:08] <mru> that's not the problem
  • [04:59:25] <mru> the clock is simply not there
  • [04:59:38] <snowman_> what?
  • [05:00:01] <mru> the clock that's suppose to drive the output isn't being set up properly
  • [05:00:10] <mru> the resolution is irrelevant
  • [05:00:12] <GrizzlyAdams> snowman_: to get vga you'd need an active adapter.
  • [05:00:20] <snowman_> oh
  • [05:00:35] <snowman_> so I'd just be easier to spend the extra bit of money for a dvi montor?
  • [05:00:42] <GrizzlyAdams> dang, class 10 32gb cards are $225
  • [05:00:43] <mru> sorry, I was thinking of my problem
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  • [05:27:16] <ds2> mru: what stick is my mind is some clock tree cleanup
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  • [05:32:36] <GrizzlyAdams> wish there was a way to hide the unused alsa channels
  • [05:54:55] <GrizzlyAdams> <- trying to crash the usb with GBs of data streamed from a usb hdd
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  • [06:38:33] <soundcyst> hi. i don't have orcad on this computer. can anyone clarify that the allegro design files zip is the board layout?
  • [06:46:21] <tasslehoff> I'm implementing a sw-upgrade scheme on my beagleboard, and one of the assumptions I have made is that my sd-card partitions are named /dev/mmcblk0p[n] (and mounted in /media with the same name). There's no reason that should change?
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  • [06:54:21] <kd> hi, has anyone tried gst-omx or gstgoo amrnb encoder plugin on beagle?
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  • [06:56:40] <soundcyst> tasslehoff, i think that may be dependent on your linux distro
  • [07:05:45] <tasslehoff> soundcyst: true. I run angstrom. guess I could take control over it in the code (some board*.c file in the kernel I suspect) to be sure.
  • [07:12:08] <ynezz> tasslehoff: I think it's named that way because of udev
  • [07:12:09] <soundcyst> seems like the best bet to me
  • [07:12:57] <ynezz> tasslehoff: maybe you can set label names for that partitions, it should be mounted with that labels as mount point dirname
  • [07:14:20] <ynezz> tasslehoff: tune2fs -L youlabelname /dev/mmcblk0p[n]
  • [07:14:39] <ynezz> s/youlabelname/yourlabelname/
  • [07:15:20] <Animule> Looks like the cat is outta the bag.
  • [07:15:24] <Animule> Who puts cats in bags anyways?
  • [07:15:26] <Animule> Cats hate bags.
  • [07:15:38] <tasslehoff> ynezz: I did set labels when I partitioned in gparted, and my pc mounts it with the labels, but the beagle doesn't.
  • [07:15:48] <ynezz> tasslehoff: ah
  • [07:15:54] <ynezz> tasslehoff: so fix it :)
  • [07:15:59] <tasslehoff> ynezz: :D
  • [07:16:09] <ynezz> tasslehoff: you don't need to change kernel, just udev
  • [07:17:05] <tasslehoff> ynezz: is blkid the way to read a label? I need to find the label in mount.sh, I guess
  • [07:17:21] <ynezz> I don't think
  • [07:17:27] <ynezz> it's a rule for udev
  • [07:17:53] <ynezz> mount by disk label or something like that
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  • [07:21:16] <tasslehoff> ynezz: in udev local.rules specifies the script that is called for removable devices. I figured I could change that script to mount by label.
  • [07:21:47] <ynezz> good for you
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  • [07:22:56] <tasslehoff> ynezz: thanks, it means a lot to me :D
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  • [07:31:15] <tasslehoff> "blkid" spews a lot of IO errors when talking to my sd card. could someone test and see if it behaves better on their system?
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  • [07:38:04] <tasslehoff> nevermind, 'udevadm info' gives me the information I need
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  • [08:50:24] <koen|phone> mru: did you see kulve
  • [08:50:39] <koen|phone> 's blog about ffvorbis?
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  • [08:51:49] <av500> http://tuomas.kulve.fi/blog/2009/11/07/n900-battery-duration-ogg-vs-mp3/
  • [08:51:52] <av500> this one?
  • [08:52:10] <koen|phone> yes
  • [08:53:00] * XorA|gone is now known as XorA
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  • [08:54:15] <av500> why should the cpu ever go to 600mhz for either?
  • [08:55:57] <av500> and why does it not go down to 125Mhz, thats the lowest OPP...
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  • [09:19:54] <tasslehoff> I use ext3 on my sd-rootfs. Is that good, or should I avoid journaling? I've read that some people are concerned about the journaling uses up some of the finite number of writes on the card, but I'm not sure if it's an issue in real life.
  • [09:21:52] <av500> will your device lose power unexpectedly?
  • [09:22:38] <av500> btw, is there anything in your rootfs that you need to write to?
  • [09:22:51] <av500> if not, consider making it read-only
  • [09:23:12] <av500> maybe split the ro part from the rw one
  • [09:23:40] * Eko (n=eko@lawn-128-61-121-118.lawn.gatech.edu) Quit ("This computer has gone to sleep")
  • [09:24:47] <tasslehoff> av500: it should not lose power unexpectedly. runs on a battery.
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  • [09:25:40] <av500> tasslehoff: so yes :-)
  • [09:25:43] <av500> gm _roger_
  • [09:25:56] <XorA> use btrfs and you get advantages of a journal with no repeted writes to one disk location
  • [09:26:07] <tasslehoff> av500: hehe. you're right.
  • [09:26:20] <av500> use a read only root partition and write /var and /tmp to ramdisk :)
  • [09:26:31] <XorA> although Ive had swap on SD for years and still not made one fail
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  • [09:26:46] <XorA> hey _koen_
  • [09:26:57] <_koen_> hey XorA
  • [09:26:59] <av500> XorA: it is not about fail, it is about whether you want an expensive fsck or journal replay at boot...
  • [09:27:02] <DesktopMa> doesn't basically all SD cards to internal wear levelling anyway?
  • [09:27:10] <av500> DesktopMa: sure
  • [09:27:14] <_koen_> DesktopMa: no, not all
  • [09:27:21] <XorA> av500: jounral replay is a lot less expensive than a fsck
  • [09:27:37] <DesktopMa> yeah I know some don't, but I doubt any mid or high level quality ones doesn't
  • [09:27:59] <av500> XorA: yes, but still you might not want that
  • [09:28:13] <XorA> heh, there is zero point in low quality flash media, might as well write your data on bog roll
  • [09:28:16] <av500> you might be OK with that one "user data" but not on the rootfs
  • [09:28:43] <tasslehoff> XorA: "Btrfs is under heavy development, and is not suitable for any uses other than benchmarking and review" <- doesn't sound promising :)
  • [09:28:53] <av500> the journal will keep the fs consistent, that does not garantee the system it self to remain intact..
  • [09:29:17] <XorA> tasslehoff: welcome to linux, half the drivers and filesystems say that and have for years :-D
  • [09:29:40] <av500> XorA: what, no 10days money back no questions asked?
  • [09:29:51] <XorA> tasslehoff: of course for a ro rootfs youll need to fix OE
  • [09:29:57] <tasslehoff> XorA: :)
  • [09:30:04] <DesktopMa> av500: you can have all your 0 dollars in return whenever you want :P
  • [09:30:09] <av500> XorA: oh, it's broken? :)
  • [09:30:16] <XorA> av500: totally
  • [09:30:19] <av500> DesktopMa: with interest!
  • [09:30:24] <XorA> bloody udev caching
  • [09:30:24] <tasslehoff> XorA: "fix OE" sounds scary. do you mean making a minor change, or a major rewrite?
  • [09:30:30] <av500> lol
  • [09:31:07] <XorA> tasslehoff: there is at least one known and probably a few unknown issues
  • [09:31:19] <XorA> tasslehoff: opkg configure running on boot will be one of them as well
  • [09:31:35] <XorA> so make that 2 known :-D
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  • [09:32:07] <av500> XorA: what is that for? I'd guess the system will be "defined" beforehand, no?
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  • [09:32:29] <XorA> av500: not all packages can configure in offline mode
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  • [09:32:42] <tasslehoff> XorA: sounds like a bad idea for me then. my schedule want as few issues as possible (as always), and I don't want to add to the boot time.
  • [09:32:43] <XorA> av500: if your careful you can make sure your image does only have packages that can
  • [09:32:43] <av500> ./configure?
  • [09:33:18] <av500> XorA: you can alwayas run this config once and deploy the confiugred image as ro, no?
  • [09:33:24] <XorA> think openssh or dropbear that generate unique keys
  • [09:34:03] <av500> I think tasslehoff is trying to make a product, not a playground :-)
  • [09:34:10] <XorA> it can all be worked around, but its not something that is well supported at the moment
  • [09:34:17] <tasslehoff> av500: :D
  • [09:35:13] * av500 guesses the end user will not have term access to use ssh...
  • [09:35:37] <XorA> it was one of the tasks I should have been allowed to do at OM, but for some reason changing GUI every month was more important
  • [09:35:41] <tasslehoff> The flash media will be high quality, and I think I'll settle for finding a sensible rw filesystem for now.
  • [09:36:02] <av500> just use ext3 for now...
  • [09:36:29] <tasslehoff> av500: ok
  • [09:36:46] <av500> tasslehoff: so what this thing do in the end?
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  • [09:39:34] <tasslehoff> av500: grab video, process it and display it. with some sort of gui.
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  • [09:40:15] <av500> ah right
  • [09:40:45] <av500> ye olde input, process, output thingy :)
  • [09:41:35] <tasslehoff> yep :)
  • [09:41:43] <DesktopMa> *assumes it removes clothing*
  • [09:41:55] <DesktopMa> and if not. it should. just my two cents :P
  • [09:42:32] * av500 thinks it shows the bones only...
  • [09:42:48] <av500> and makes tricorder noises
  • [09:43:34] * tasslehoff adds clothing removal to spec
  • [09:43:55] <av500> and tricorder beeps
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  • [11:14:45] <tasslehoff> _koen_: I tried deleting my tmp-directory and rebuilding with a clean tree, and fw_setenv still fails on my system. could you check if it currently works for you?
  • [11:17:35] <tasslehoff> hm. could I maybe have fudged up the nand on my beagle. is there a way to get it back to mint condition?
  • [11:22:53] <av500> nand erase 0:FFFFFFFF
  • [11:23:02] <av500> or similar...
  • [11:25:32] <tasslehoff> av500: I tried it on another beagleboard with the same result, so I suspect others have the problem as well.
  • [11:25:43] <tasslehoff> just gotta make someone try it to verify..
  • [11:34:52] <_koen_> tasslehoff: did you update your OE tree?
  • [11:36:13] <tasslehoff> _koen_: yes. to get the change in fw_env.config for beagleboard.
  • [11:37:44] <tasslehoff> _koen_: http://pastebin.com/d424c278e
  • [11:50:17] <XorA> av500: just nand erase is brutal enough :-D
  • [11:57:21] <tasslehoff> can the u-boot environment be put one the boot-partition of the sd-card?
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  • [12:34:53] <tasslehoff> _koen_: are you there? funny story. If I do 'IMAGE_INSTALL += "u-boot-utils"' in my image recipe and build, things are sad. If I remove that, rebuild, and instead do 'opkg install u-boot', things are good.
  • [12:35:45] <tasslehoff> so some sort of pebkac
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  • [12:42:08] <XorA> u-boot != u-boot-utils
  • [12:45:53] * tasslehoff has to agree
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  • [12:47:23] <mru> tomba: ping
  • [12:47:38] <tomba> pong
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  • [12:47:53] <mru> tomba: I'm having some trouble with dss2 on latest git kernel
  • [12:48:14] <mru> dsi pll as clock doesn't work
  • [12:48:33] <mru> http://pastebin.ca/1664422
  • [12:48:35] <tomba> on what board?
  • [12:48:38] <mru> beagle
  • [12:49:54] <tomba> interesting pck... and this is with dss2 that I posted yesterday?
  • [12:49:55] <mru> I took the master-new branch from your git and applied to latest linux-omap
  • [12:51:42] <tomba> do you have it running? can you cat debugfs/omapdss/clk
  • [12:53:13] <mru> let me reboot so I have a clean state
  • [12:54:27] <mru> also, if I modprobe omapdss debug=1 it hangs after those messages are printed
  • [12:54:31] <mru> just the modprobe
  • [12:54:36] <mru> everything else works
  • [12:55:26] <mru> probably the BUG_ON in dispc_set_lcd_divisor
  • [12:56:36] <tomba> the log you pastebinned gets the clocks from cache. there should be an earlier part in the log where the clocks are first configured. anything funny there?
  • [12:56:47] <mru> hang on
  • [12:57:14] <tomba> I'm wondering why the first config went through, but the second one (which uses the cached settings) doesn't
  • [12:58:12] <mru> http://pastebin.ca/1664815
  • [12:58:15] <tomba> well, I guess it's easier if I set up a proper environment =). are your beagle board/panel patches somewhere I can get?
  • [12:58:30] <mru> git.mansr.com
  • [12:58:49] <mru> I took what OE had
  • [12:59:42] <tomba> ok. I need to test that
  • [13:00:23] <mru> and the debugfs: http://pastebin.ca/1664816
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  • [13:04:27] <orbarron> koen: ping
  • [13:04:33] <_koen_> orbarron: pong
  • [13:04:47] <orbarron> how it going... you been busy?
  • [13:04:57] * _koen_ is at TI office this week
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  • [13:06:30] <jkridner|work> Europe-friendly slots at http://wiki.omap.com/index.php/ETechDays_Community_Lightning_Talks are filling up fast.
  • [13:06:45] <jkridner|work> guess there is really only 1 left.
  • [13:06:53] <jkridner|work> everything else is after 5.
  • [13:07:12] <jkridner|work> I don't mind starting a bit earlier though.
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  • [13:09:17] <jkridner|work> _koen_: will you talk about Narcissus at the Lightning Talks?
  • [13:10:07] <jkridner|work> ogra: any interesting news on Ubuntu for ARM?
  • [13:10:34] <ogra> jkridner, karmic switched to ARMv6 and vfp for all builds
  • [13:10:39] <_koen_> jkridner|work: dunno yet
  • [13:10:54] <ogra> lucid will switch to ARMv7 + thumb2
  • [13:11:18] <jkridner|work> ogra: care to give a 5 minute talk on it?
  • [13:11:42] <ogra> when where ?
  • [13:11:45] <ant_work> ah, so Angstrom is the only survivor for armv5...
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  • [13:15:55] <jkridner|work> Nov 17, on-line (phone): http://wiki.omap.com/index.php/ETechDays_Community_Lightning_Talks
  • [13:17:41] <mru> I think thumb2 is still mostly a bad idea for broad deployment
  • [13:17:46] <mru> far too many bugs lurking
  • [13:18:02] <mru> and it sometimes has unexpected effects on speed
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  • [13:20:50] <tasslehoff> what exactly is u-boot-utils then? it's not nice of it to give me fw_getenv and fw_setenv commands that don't work :)
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  • [13:21:19] <felipec> mru: do you mind a pm?
  • [13:21:33] <mru> of course not
  • [13:21:41] <mru> no need to ask
  • [13:22:39] <mru> hmm... so no ubuntu on sheeva then?
  • [13:22:51] <mru> guess it's not really the target market for ubuntu
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  • [13:37:49] <tomba> mru: http://pastebin.com/d55a6ac19
  • [13:38:07] <tomba> thanks for the bug report =)
  • [13:38:27] <mru> can you paste that someplace that doesn't munge diffs?
  • [13:38:55] <tomba> what's your email addr?
  • [13:38:55] <mru> oh, the raw version is fine
  • [13:38:58] <tomba> ok
  • [13:40:15] <tomba> I didn't actually test if I get an image out of beagle, as I don't have anything to attach it here. but the reported bug is fixed with that patch =)
  • [13:45:32] <mru> ok, rebooting
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  • [13:56:07] <ogra> jkridner, bad timing, i'm at UDS on Nov 17 and am likely busy
  • [13:56:25] <mru> ~curse usb
  • [13:56:26] * prpplague_afk is now known as prpplague
  • [13:56:35] <ogra> (sorry, in a meeting so my answers are delayed a bit)
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  • [13:57:31] <jkridner|work> ogra: doh! well, if there is anyone else in the Ubuntu community, would encourage you to have them join. rcn-ee presented something basic at the last lightning talk.
  • [13:57:55] <ogra> yeah, i see him in the table as well this time
  • [13:59:04] <mru> tomba: it's working, thanks for the fix
  • [13:59:24] <ogra> jkridner, prob weill be that all relevant arm people from the ubuntu side that could talk about it with a bit bakground knowledge are likely at UDS as well
  • [14:00:25] <ogra> but i'll keep my ears and eyes open
  • [14:01:31] <jkridner|work> ah, tomba, any chance you'd want to do 2 slides and spend 5 minutes talking about the state of DSS2?
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  • [14:26:58] <torusle> hi
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  • [14:35:36] <av500> lo
  • [14:36:02] <prpplague> ho
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  • [14:52:38] <s79> i use 2.6.29 on a custom board to test pm, when i try to put the system to suspend using echo mem > /sys/power/state. It does not goto suspend. it comes out immediately reporting successfully put all powerdomans to target state
  • [14:52:59] <s79> how to debug - who is waking up the suspend any idea
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  • [14:54:36] <torusle> does anyone know the specs of the audio-in interface? E.g. is it a normal line-in with 1kOhm impedance and 1Vpp signal-level for 0db?
  • [14:55:29] <av500> SRM?
  • [14:55:38] <av500> BBSRM?
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  • [15:06:21] <s79> does pm on linux go into suspend only when all the domains are in target state?
  • [15:06:42] <s79> im seening that - when i put into suspend - it comes out of it immediately
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  • [15:09:40] <maelcum|uni> what's happening on the kernel front? any new -omap or -omap-pm releases (that actually work too)?
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  • [15:15:58] <djlewis> av500: I was busy but BBRSM would have been my suggestion too.
  • [15:16:12] <djlewis> BBSRM.. duh :)
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  • [15:16:25] <djlewis> gm all
  • [15:16:32] <prpplague> djlewis: greetings
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  • [15:18:43] <djlewis> prpplague: you whooping that trainer into submission this morning?
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  • [15:19:25] <prpplague> djlewis: naw, i have a couple other contracts ahead of the trainer, probably won't do any serious stuff with it until the end of the week
  • [15:19:46] <prpplague> djlewis: nothing really needs to be done with it driver wise, just a matter of doing some docs
  • [15:20:09] <prpplague> djlewis: also have to finish with the test platform for production testing
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  • [15:25:01] <djlewis> prpplague: sounds good :)
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  • [15:43:19] <s79> in pm - is there any way to find the source of wakeup?
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  • [15:46:17] <hlfshell> why do you have to delete the partitions and redo them a second time in the ubuntu tutorial? I'm trying to figure out WHAT this does
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  • [15:55:55] <rcn-ee> hlfshell, where are you getting stuck?
  • [15:57:01] <hlfshell> the part where i have to format the card again, copy MLO and the kernel image over again
  • [15:57:08] <hlfshell> i did it, but i dont understand why i did that
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  • [15:58:34] <hlfshell> <~ is trying to make a ubuntu image and is a bit lost
  • [15:58:41] <rcn-ee> hlfshell, what guide are you looking at, i don't mention the MLO on elinux ubuntu wiki... (other then make sure you have the latest)
  • [15:59:15] <hlfshell> I thought i saved the beagleboard guide from the wiki. one sec
  • [16:00:55] <hlfshell> rcn-ee, im trying to run the setenv command
  • [16:00:59] <hlfshell> and i get
  • [16:01:00] <hlfshell> OMAP3 beagleboard.org # setenv bootcmd 'mmcinit; fatload mmc 0:1 0x80300000 uIm0
  • [16:01:01] <hlfshell> Wrong Image Format for bootm command
  • [16:01:01] <hlfshell> ERROR: can't get kernel image!
  • [16:01:23] <hlfshell> (minicom doesnt show anything right of the uIm, whether i copy/paste it or type it)
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  • [16:02:06] <rcn-ee> wonder's if it's too long for minicom...
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  • [16:02:58] <hlfshell> what should i use in its stead?
  • [16:03:02] <rcn-ee> if you can, try "gtkterm", it's what i use..
  • [16:03:33] <hlfshell> ok installing that now, ill give it a shot
  • [16:05:37] <hlfshell> thanks rcn-ee gtkterm did take the whole command
  • [16:06:13] <rcn-ee> thanks for testing hlfshell, i'll update the wiki, with a note about minicom...
  • [16:06:29] <hlfshell> can i get a link to your guide so i make sure im following that?
  • [16:06:34] <hlfshell> or is it the main wiki one?
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  • [16:07:28] <rcn-ee> hlfshell: it's the main one: http://elinux.org/BeagleBoardUbuntu
  • [16:08:22] <hlfshell> hmmm i got wrong image format for bootm command, error: can't get kernel image after following your setenv
  • [16:08:33] <hlfshell> now to find what i did wrong
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  • [16:10:00] <hlfshell> wait it says to do boot partition to 50 megs FAT 32, but in the example it shows it set as FAT16
  • [16:11:14] <rcn-ee> both will work, i wrote the fat32 about a year ago, that fat16 example was from last week... ;)
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  • [16:14:59] <hlfshell> silly me i forgot tocopyo ver uImage to the boot partition. ill try that now
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  • [16:16:27] <rcn-ee> hlfshell: it happens... I'd like to make a gtk gui to automate that section...
  • [16:17:52] <hlfshell> actually, a complete automation of this process would be cool
  • [16:21:31] <rcn-ee> rootstock's getting a gui: https://blueprints.launchpad.net/ubuntu/+spec/mobile-lucid-arm-rootstock-gui so that should make things easier.. Now just a gui for partitioning...
  • [16:21:39] <hlfshell> gparted
  • [16:22:23] <rcn-ee> yeah i use gparted, it just takes too much room on the wiki to explain every step...
  • [16:22:48] <hlfshell> suggestion: screen capture and make a video when the rootstock gui comes out
  • [16:22:54] <hlfshell> thatd be super helpful
  • [16:23:01] <dirk2> prpplague: ping
  • [16:23:50] <prpplague> dirk2: pong
  • [16:24:16] <dirk2> prpplague: I got a question if Zippy will work with rev B?
  • [16:24:28] <torusle> dirk2, good question!
  • [16:24:32] <dirk2> prpplague: I remember some expansion header pin changes from rev B to rev C
  • [16:25:04] <prpplague> dirk2: works fine with rev B, the only pin that change a bunch was one that isn't used on the zippy
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  • [16:25:39] <dirk2> prpplague: ok, thanks. Will answer this -> OpenOCD mailing list
  • [16:25:51] <prpplague> dirk2: http://www.elinux.org/BeagleBoardPinMux
  • [16:26:30] <hlfshell> damnit. i just completely redid the partitioning, copying of MLO and uImage, and reexracted the kernel image onto the other partition and i still get wrong image format for bootm command error: can't get kernel image
  • [16:26:35] <torusle> folks, I want to write a sound-driver on the dsp-side. For that I have to remove McBSP support from the linux kernel. Will this affect anything besides sound? Or to put it another way: Is the McBSP used for anything besides sound i/o?
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  • [16:32:57] <rcn-ee> hlfshell: could you pastebin it for me..
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  • [16:49:00] <av500> torusle: I guess not
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  • [16:57:33] <torusle> av500, great.. that's good news for me.
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  • [17:09:40] <hlfshell> so what is this rootstock program? Is it just a program that generates linux images?
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  • [17:23:35] <rcn-ee> hlfshell, it's a script to generate a root file system...
  • [17:24:15] <hlfshell> hi again rcn-ee . im redoing everything from scratch to make sure i dont skip a step
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  • [17:25:47] <rcn-ee> your kernel image problem, could be something as simple as "mmc init" instead of "mmcinit"...
  • [17:26:40] <hlfshell> hence the me redoing everything- double checking all the commands this time
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  • [17:33:32] <hlfshell> rcn-ee, tried doing mmcinit again while the new image prepares using rootstock - getting reading u-boot-f.bin **unable to read u-boot-f.bin" from mmc 0:1
  • [17:33:45] <hlfshell> i think somethings just misplaced or screwed up
  • [17:34:47] <rcn-ee> hlfshell: pastebin, fatls mmc 0:1 (something might be wrong in partition 1)
  • [17:34:56] <hlfshell> ok
  • [17:36:07] <hlfshell> that sucks -can't copy in gtkterm
  • [17:36:27] <hlfshell> but it returns 20392 mlo 64 uimage 2file(s), 0dir(s)
  • [17:37:17] <rcn-ee> wells u-boot-f.bin isn't in there... that explains that error.. as long as your u-boot isn't 1.3.3 or 2009.1 it doesn't need updating so you can leave it..
  • [17:38:09] <hlfshell> how do i hcekc my u-boot version?
  • [17:39:00] <rcn-ee> first thing it says while booting..
  • [17:39:13] <rcn-ee> or 2nd after xloader (1.4.2)
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  • [17:39:38] <hlfshell> hmmm U-Boot 2009.01-dirty
  • [17:42:16] <rcn-ee> yuck. for 2.6.29 it should work, but i'd really upgrade that some day using: http://www.angstrom-distribution.org/beagleboard-demo-image-available 's uboot.bin
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  • [17:42:59] <hlfshell> the uboot for angstrom is the same as ubuntu?
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  • [17:44:40] <rcn-ee> yeah... and android/debian/etc..
  • [17:45:15] <hlfshell> so where do i put this file rcn-ee - on the 50/100 meg fat32 boot partition?
  • [17:45:18] <rcn-ee> i just link in the wiki to a known working build that i've tested on my boards...
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  • [17:45:49] <rcn-ee> that's correct.. (u-boot can't read the ext2/3 partition)
  • [17:45:54] <hlfshell> ah ok
  • [17:46:13] <hlfshell> brb imma continue on the walk through then, it just finished the rootstrap
  • [17:46:20] <hlfshell> rootstock*
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  • [17:47:11] <rcn-ee> hlfshell: for testing setting up the sd card, you could just use the demo image, then build later with rootstock once you get a hang of it.. (since rootstock can take a couple hours)
  • [17:47:31] <hlfshell> rootstock took under an hour - closer to 45 minutes for me. is that a bad sign?
  • [17:48:43] <rcn-ee> depends on the system... it's emulating a cortex-a8 core in qemu..
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  • [17:53:54] <mru> rcn-ee: qemu arm emulation is kind of buggy for armv7
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  • [17:55:22] <rcn-ee> mru, agree 100%...
  • [17:55:29] <hlfshell> rcn-ee, i put u-boot.bin from that angstrom site onto the fat32 partition, and fatls mmc0:1 sees it, but the fatload mmc0 0x80200000 u-boot-f.bin doesnt work - ti think that the memory address there is wrong. how do i find the memory address of that file?
  • [17:55:33] <hlfshell> the u-boot.bin
  • [17:55:44] <rcn-ee> mru, i sent an email to doko, wondering why the thumb2 setting...
  • [17:56:49] <rcn-ee> hlfshell: small mistype there: fatload mmc0 0x80200000 u-boot.bin
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  • [17:58:49] <hlfshell> trying that now rcn-ee
  • [18:00:07] <hlfshell> somethings wrong with that line still
  • [18:00:16] <hlfshell> says i got the usage wrong
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  • [18:06:04] <hlfshell> hmm still not working.
  • [18:06:44] <hlfshell> ok god it
  • [18:06:52] <hlfshell> it was fatload mmc 0:1 0x80300000 u-boot.bin
  • [18:08:45] <av500> mru: btw, most of that ugly non-so-much linux OS from mountainview is compiled as thumb ...
  • [18:10:16] <fgau> http://scap.linuxtogo.org/files/983143258f24801790245b5f3e11a1b0.png pyneo on beagle :D
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  • [18:30:58] <ds> anyone know where the file dspbridge_dsp.tar.gz wandered off to? The omapzoom link appears to be dead
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  • [18:34:38] <djlewis_> gm again... :)
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  • [18:52:37] <gwert> hi i was wondering if i can connect to the beagleboard shell withou using a at-everex cable but a usb cable...
  • [18:55:26] <maelcum|uni> not if you want access to the bootloader afaik. the serial port is most useful for debugging the boot process, before any drivers are loaded.
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  • [18:55:52] <maelcum|uni> same for initial setup which is in a way "debugging" the boot process
  • [18:57:36] * djlewis_ seconds the "most useful" part
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  • [19:08:01] <jkridner|work> if gwert would have stuck around a bit longer, he'd have found that maelcum|uni is incorrect. The u-boot that ships on the Rev C boards includes a USBTTY feature.
  • [19:08:34] <jkridner|work> serial port is most useful, but USB can be used to interact with the boot-loader shell.
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  • [19:18:42] <maelcum|uni> good to know...
  • [19:19:05] * djlewis_ has never tried usbtty u-boot
  • [19:19:56] * mru hates usb
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  • [19:20:44] <maelcum|uni> i've found that the laziest and cheapest way to get an appropriate serial cable is to unscrew the "electrical part" from a slot blind with serial connectors.
  • [19:21:18] * mru has a pile of those...
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  • [19:21:52] <maelcum|uni> what's going on with the kernels, is there a new "stable version" in sight?
  • [19:22:15] <maelcum|uni> the last one or two vanilla kernel releases had no corresponding -omap or -omap-pm releases
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  • [19:30:19] <puppy> arg..
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  • [19:42:10] <jimmy__> good evening all, i cant seem to get gpio7, the user button, working. using lourents example, anyone have any suggestions?
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  • [19:52:32] <adj> jimmy__: how are you trying to use gpio7 (I have no knowledge of any lourents examples)
  • [19:54:56] <jimmy__> adj: this is the link http://groups.google.com/group/beagleboard/browse_thread/thread/db4accfabf02d986/c623a16637625685?lnk=gst&q=gpio+laurent#c623a16637625685 its very good it shows how to get the outputs working and stuff. assuming the uboot has been made with a edited beagle.h to set gpio
  • [19:56:15] <adj> afaik gpio 7 is already "reserved" by the kernel so you can not use it directly
  • [19:57:10] <jimmy__> i found numerous examples online of people using gpio7 to get input from the user button
  • [19:58:45] <adj> things may have changed since those examples have been proved to be working. Looking at arch/arm/mach-omap2/board-omap3beagle.c (angstrom kernel 2.6.29-r35) confirms that gpio 7 is mapped to a gpio_keys_button
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  • [20:05:28] <hlfshell> does a DVI to VGA adapter allow my beagleboard to output to a VGA monitor? I don't have a monitor with DVI on it
  • [20:05:51] <maelcum|uni> such an adapter seems to be more expensive than a cheap monitor with dvi input.
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  • [20:06:40] <hlfshell> well i see DVI to vga adapters for 5 dollars - im guess they wont work
  • [20:06:40] <adj> a simple adapter allows you to connect the monitor but you will have a blank display :)
  • [20:06:41] <hlfshell> ?
  • [20:06:58] <hlfshell> thats annoying. os i have to drop another 100 on a dvi monitor? damn
  • [20:07:16] <jimmy__> adj: im using a rev c3 with a recent angstrom, so i cant access the user button??
  • [20:07:45] <maelcum|uni> those adapters are for dvi connectors that already carry analog signals (the bigger, flat pins).
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  • [20:07:58] <maelcum|uni> the beagleboard has only digital out
  • [20:08:38] <maelcum|uni> hlfshell: i found some used ones for ~50??? somewhere.
  • [20:08:48] <maelcum|uni> i still don't have one though...
  • [20:09:08] <adj> jimmy__: you can, somehow. I'm not quite sure how to use it, though...
  • [20:09:37] <hlfshell> will the s-video work off the bat?
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  • [20:10:04] <jimmy__> adj: oh ok, thanks though :)
  • [20:10:47] <jimmy__> Anyone know how to get a response from the user button? like a cat /sys/...value thing?
  • [20:11:51] * maelcum|uni (n=horst@natr.physik.hu-berlin.de) Quit (Remote closed the connection)
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  • [20:22:58] <adj> jimmy__: I guess when you do 'echo 7 > export' it will not give you a new directory called gpio7, while e.g. 'export 130 > export' will create a directory called gpio130 ?
  • [20:24:05] <snowman_> can you compile a program and put it in the flash and just have the BB run it over and over? Like put it in the address that the bootloader begins execution or something like that like an arduino?
  • [20:24:45] <adj> yes.
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  • [20:27:54] <snowman_> how would you do that?
  • [20:28:07] <snowman_> compile the source for arm and?
  • [20:28:19] <mru> run the result
  • [20:28:26] <adj> exactly
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  • [20:29:37] <snowman_> How do you transfer data to the BB (is there a serial command?) and how can you choose where to put it (at the address of the bootloader execution)?
  • [20:30:36] <adj> omap35xx TRM describes the boot process somewhere around page 3000
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  • [20:34:06] <jimmy__> adj: yep exactly that. i use the echo 139 > export to get gpio139 directory, but it doesnt work for gpio7. but that example and others say that the buttin can be accessed on gpio7. in beagle.h its down as MUX_VAL(CP(SYS_BOOT5), (IEN | PTD | EN | M4)) /*GPIO_7*/\ maybe thats wrong?
  • [20:34:52] <adj> jimmy__: nope. That (u-boot mux config) is correct
  • [20:35:43] <adj> and even if the mux config wasn't correct it would not affect on exporting of a gpio
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  • [20:37:43] <hlfshell> if i want to download packages for the beagleubuntu (which is working now if you've been following my struggle this morning :-p ) so that I can just install them onto the ubuntu card (as I don't have ethernet on the BB yet) where would I download those packages from?
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  • [20:38:25] <eFfeM> koen, thanks for the cpan patch, just bumped into that one, but didn't track it down as quickly as you did
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  • [20:40:20] <jimmy__> adj: yeah i didnt think it would be that, the other gpio let me export to them before i defined them, the switch must be connected to something though! it cant just be disconnected from everything, and the manuel did say it could be used by the user...
  • [20:41:03] <adj> jimmy__: the user button is accessible using /dev/input/event0
  • [20:41:37] <adj> however you cannot just 'cat' it (well, you can and you'll see the results if you do so)
  • [20:42:37] <koen> eFfeM: it needs a companion patch, though
  • [20:42:57] <koen> eFfeM: will push after testing it
  • [20:43:17] <eFfeM> koen, yeah found things are not yet working properly
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  • [20:46:33] <eFfeM> btw tried to bring apache up to the latest version but ended up in automake hell
  • [20:46:53] <jimmy__> adj: im gonna give it a try...
  • [20:47:35] <adj> jimmy__: using the event interface shouldn't be very difficult, kernel documentation describes it very briefly at Documentation/input/input.txt. Another option is to reconfigure the kernel not to reserve that particular gpio and recompile it, then gpio7 would be directly accessible
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  • [20:50:29] <jimmy__> adj: okay i tried 'cat'ing event0... just got some horrible on the screen lol how would i reconigure the kernal? make a new uboot?
  • [20:52:48] <adj> not quite. Get kernel sources somehow (using openembedded, for example), tweak them a bit, compile and deploy. Easy :)
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  • [20:56:58] <jimmy__> adj: okay il give it a try, its on the elinux, beginers i think. which file does it turn out in the end?
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  • [21:00:03] <adj> links to the correct places can be found at elinux, somewhere. I really think it would be much easier to learn to use the event interface
  • [21:00:40] <hlfshell> is there a reason that the system clock would be screwed up?
  • [21:00:45] <hlfshell> on BB?
  • [21:01:46] <jimmy__> adj: im willing to learn event interface, though i dont know what it is, how would i use it?
  • [21:02:55] * Foolean (n=emil@90-227-180-116-no128.tbcn.telia.com) has joined #beagle
  • [21:04:31] <adj> http://git.kernel.org/?p=linux/kernel/git/tmlind/linux-omap-2.6.git;a=blob;f=Documentation/input/input.txt;h=b93c08442e3c773bcfb0a887e7f849694ea4b9b3;hb=HEAD
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  • [21:06:09] <newToBB> hi...can somebody help me how to use gstreamer with Beagleboard?
  • [21:06:46] <felipec> newToBB: same as in the PC
  • [21:07:18] <newToBB> I have not used in PC also... can u specify some link where i can refer to?
  • [21:08:33] <felipec> newToBB: google gstreamer?
  • [21:08:38] <jimmy__> adj: okay so its basicly the drivers of the various inputs?
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  • [21:09:10] <newToBB> felipc: can i run it on windows?
  • [21:09:16] <felipec> newToBB: there's also the #gstreamer IRC channel
  • [21:09:37] <newToBB> thanks a lot
  • [21:10:10] <jimmy__> adj:and event0 is the button,. thers also event1, mice and uinput, what are the last 3?
  • [21:11:29] <hlfshell> HMMM this is weird. my beagle board system clock things a file from 2009 is 39 years in the future and won't run it compile for that. how do iset my system clock, to, youknow - a proper time
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  • [21:13:26] <adj> jimmy__: event1 is twl4030 power button (not present on beagle)
  • [21:14:02] <adj> no idea what uinput is
  • [21:15:43] <hlfshell> theres no GCC on the ubuntu arm image for beagle board?
  • [21:15:55] <jimmy__> adj: okey, so how do i use the event interface, im guessing i have to access the place that the user button is sending its signal to?
  • [21:17:22] <adj> are you familiar with C coding?
  • [21:17:50] <_koen_> eFfeM: done, bitbake -c clean perl-native to be sure
  • [21:21:36] <jimmy__> adj: yea im quite familiar with c, happy to work with it :)
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  • [21:25:13] <adj> then it's time to read Linux Programmer's Manual for read() and select(). The previous link to input.txt at git.kernel.org will give some hints about the event interface
  • [21:26:40] <ds> felipec: Did you ever get the new baseimage.dof working?
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  • [21:29:01] <mru> hey _koen_, I'm getting my beagle up to date again, what's a good u-boot version?
  • [21:29:57] <jimmy__> adj: okay ill look into those functions. can they be called into any c prog i make? and can i access press data for the button with it? like immediately?
  • [21:30:41] <koen> mru: u-boot-ti.git at denx.de is usually in a good shape
  • [21:31:01] <koen> mru: but since it's rebased weekly I don't have a good SRCREV for you atm
  • [21:31:15] <mru> I'll just try something then
  • [21:31:21] <adj> jimmy__: you will of course need kernel headers to use those functions
  • [21:32:57] <jimmy__> adj: kernel headers, not sure what you mean?
  • [21:33:06] <djlewis_> mru: there goes a long uptime. Maybe a record ;)
  • [21:33:35] <_koen_> mru: http://www.angstrom-distribution.org/unstable/sources/git_git.denx.de.u-boot-ti.git_1590f84007e2b50ad346a482fff89195cb04ff4e.tar.gz
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  • [21:34:07] <adj> jimmy__: some pieces of kernel sources, just C header files with prototypes for all the necessary functions
  • [21:34:10] <mru> djlewis_: not at all
  • [21:34:14] <_koen_> mru: with git history: http://www.angstrom-distribution.org/unstable/sources/git_git.denx.de.u-boot-ti.git.tar.gz
  • [21:34:18] <mru> djlewis_: my FATE beagle is up 99 days
  • [21:34:44] * courville (n=courvill@courville.org) Quit (Read error: 54 (Connection reset by peer))
  • [21:34:47] <mru> _koen_: already cloned
  • [21:35:30] <jimmy__> adj: ah just the usual *.h files to include then
  • [21:35:46] <eFfeM> koen thanks, will try
  • [21:36:59] <mru> _koen_: btw, I made a couple of changes to omapfbplay today
  • [21:37:17] <mru> tomba: speaking of which, you really should enable overlay optimisation in dss2
  • [21:38:22] <_koen_> mru: I noticed, I can hopefully take a look at those on friday, too busy with customers till then
  • [21:38:51] <mru> nothing spectacular
  • [21:39:21] <_koen_> mru: are you planning to add aspect-ratio preservation (aka 'black bars in fullscreen')?
  • [21:39:59] <mru> yeah, some day
  • [21:40:13] <mru> how much is it worth to you? ;-)
  • [21:40:30] <_koen_> we previously agreed it would cost me an IBC ticket :)
  • [21:40:38] <_koen_> but we both didn't attend this years ibc
  • [21:40:41] * NishanthMenon (n=nmenon@nat/ti/x-eevxdlftlyenvyks) Quit ("Ex-Chat")
  • [21:43:36] <adj> jimmy__: you know, I actually have never used event interface or even select() and I suck at coding, big time. Still I figured that this cannot be rocket science and just tried it :)
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  • [21:44:05] <adj> jimmy__: so, this piece of code propably sucks but it seems to read the state of the user button: http://hervanta.com/~antti/temp/readkey.c.txt
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  • [21:44:33] * ds just added pixel-aspect-ratio handling to omapfbsink
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  • [21:46:44] <jimmy__> adj: aww very generous, thank you very much. il try it out right now :)
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  • [21:51:23] <jimmy__> adj: very cool :) il get to work figuring out how it works :) cheers again
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  • [22:10:40] <felipec> ds: you mean the one from tiopenmax 0.4.1?
  • [22:11:01] <ds> felipec: yes, I think
  • [22:11:10] * guillaum1 (n=gl@AMontsouris-153-1-53-55.w86-212.abo.wanadoo.fr) has joined #beagle
  • [22:11:39] <felipec> ds: no, it's borked, I've been complaining to TI and apparently nobody else has got that firmware working
  • [22:11:56] <felipec> ds: I'll CC you in the next mail
  • [22:12:01] <ds> felipec: thanks
  • [22:12:15] <felipec> ds: then only one I've seen working is 0.3.5
  • [22:12:54] <ds> felipec: tiopenmax-0.4.1 doesn't seem to be availble anymore. It looks like it was replaced with Andriod_DSP_Binaries...
  • [22:13:15] <felipec> ds: great... those don't work either
  • [22:13:22] <ds> right
  • [22:13:52] <ds> I wonder if the 0.4.1 license is intended to apply retroactively
  • [22:14:19] <felipec> ds: you mean also on 0.3.5? If so I don't think so =/
  • [22:14:56] <ds> yeah. I only care about baseimage.dof, really
  • [22:17:12] * roaming (i=51d716cc@gateway/web/freenode/x-xvueroewozkhdqpj) has joined #beagle
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  • [22:17:32] <roaming> hi people was wondering what the power supply amp should be?
  • [22:18:35] <mru> 500 mA + whatever peripherals need
  • [22:18:57] <roaming> mru what is the max amp
  • [22:19:04] <roaming> don't want to burn anything
  • [22:19:15] <mru> that's not how electricity works
  • [22:19:30] <roaming> i see...
  • [22:19:47] <mru> the power supply provides a voltage
  • [22:19:55] <mru> the device will take as many amps as it needs
  • [22:20:00] <mru> if the PSU can supply it
  • [22:20:19] <mru> the amp rating is just what it offers
  • [22:20:28] <roaming> thanks
  • [22:20:40] <ThomasEgi> only problem is. when you draw more amps than the supply can deliver^
  • [22:20:45] <mru> I'd go with 2A or so if you don't have anything really juicy connected
  • [22:20:59] <roaming> ok than
  • [22:21:07] <mru> should be plenty for a keyboard and mouse
  • [22:21:29] <mru> you'll need to use a hub anyway, so you might consider a powered one
  • [22:21:48] <roaming> I already got a powered one
  • [22:22:29] <roaming> I was going to connect my BeagleBoard tonight but I realized I did not have a rs232 input on my laptop...
  • [22:23:32] <roaming> need to get that usb-rs232 to connect that at-everex cable
  • [22:23:48] <roaming> rather annoying
  • [22:24:15] <djlewis_> roaming: the beagleboard sticker says "not more than 5vDC" and it means it. measure.
  • [22:24:15] <roaming> anyway thanks...
  • [22:24:44] <roaming> ok
  • [22:24:57] <roaming> by the by i need to install some python libraries
  • [22:25:24] * hlfshell (n=keith@ool-4355b300.dyn.optonline.net) Quit ("Leaving")
  • [22:25:48] <roaming> such as paramiko which needs
  • [22:26:13] <roaming> pycrypto
  • [22:26:23] <prpplague> roaming: try getting a flyswatter + beagle adapters, it is a multi use device and inexpensive
  • [22:26:41] <roaming> thanks
  • [22:26:56] <roaming> but my new question is which linux distribution should i use
  • [22:27:02] <roaming> for easy development
  • [22:27:18] <roaming> i really don't won't to spend days looking for libraries...
  • [22:27:18] <prpplague> roaming: i'm biased - http://www.tincantools.com/product.php?productid=16134&cat=0&page=1&featured , http://www.tincantools.com/product.php?productid=16144&cat=0&page=1&featured
  • [22:27:39] <prpplague> roaming: the OE based angstrom build environment can help you get started quickly
  • [22:27:57] <roaming> OE based?
  • [22:28:26] <prpplague> OpenEmbedded
  • [22:28:45] <prpplague> have you looked at the wiki pages yet?
  • [22:29:17] * thaytan (n=jan@78.16.65.18) Quit (Read error: 145 (Connection timed out))
  • [22:29:19] <roaming> yeah but i realised to try most of the stuff i need the parts first
  • [22:29:29] <prpplague> roaming: http://www.elinux.org/BeagleBoard#Development_environments
  • [22:29:30] * nullpuppy is using angstrom, flyswatter and beagleboard.
  • [22:29:31] <nullpuppy> works well.
  • [22:29:40] <prpplague> nullpuppy: hehe thanks
  • [22:29:55] <nullpuppy> prpplague:no prob ;)
  • [22:30:21] * prpplague is happy when someone recommends his products
  • [22:31:00] <nullpuppy> prpplague: are you tincantools?
  • [22:31:05] <roaming> just a quick question can i connect my at-everex cable directly to a rs232 to usb cable without any problems? or do i need to get a flyswatter?
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  • [22:31:38] <prpplague> nullpuppy: no i work with tincantools, i did the design for the zippy, trainer, flyswatter and hammer boards
  • [22:31:49] <nullpuppy> prpplague: ah. very cool.
  • [22:32:00] <nullpuppy> prpplague: offer any discounts? :)
  • [22:32:34] <prpplague> nullpuppy: hehe, nope, just good prices
  • [22:32:43] * nullpuppy nods.
  • [22:32:46] <nullpuppy> was worth a shot ;)
  • [22:33:05] <jkridner|work> prpplague: going to talk about any of them on the lightning talks?
  • [22:33:07] <roaming> :)
  • [22:33:15] <roaming> just a quick question can i connect my at-everex cable directly to a rs232 to usb cable without any problems? or do i need to get a flyswatter?
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  • [22:34:01] <prpplague> jkridner|work: sorry no, i'm totally swampped with a OMAP3 design that is a week behind schedule
  • [22:34:08] <nullpuppy> roaming: i'm assuming the at-everex connects via rs232? and you want to know if you can connect it to a rs232 to usb adapter?
  • [22:34:18] <roaming> yeah
  • [22:34:19] <nullpuppy> if so, i'd assume that should be fine.
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  • [22:34:48] <prpplague> jkridner|work: you having trouble getting people for the talks?
  • [22:34:51] <snowman_> why would someone use small-faraded capacitors throughout their ciruit?
  • [22:34:51] <nullpuppy> flyswatter is nice in that it gives you serial and jtag support through one device (which is nice when you're on a system without serial ports).
  • [22:35:00] <mru> roaming: yes, the rs232 port on the beagle works with standard PC ports
  • [22:35:04] <mru> both real and usb ones
  • [22:35:13] <roaming> ok just want to be sure.... i am very new-bie in hardware :(
  • [22:35:22] <jkridner|work> prpplague: it is only 30 minutes out of your life. 10 minutes to prepare 2 slides and 5 minutes to present and 100% "overhead". :)
  • [22:35:25] <roaming> rather code my way thru hell
  • [22:35:51] <roaming> thanks people
  • [22:35:56] <Ceriand|work> snowman_: decoupling probably
  • [22:36:01] <roaming> see you all later
  • [22:36:08] <nullpuppy> roaming: no worries, gotta start somewhere.
  • [22:36:11] <snowman_> Ceriand|work: whats that?
  • [22:36:11] <nullpuppy> good luck.
  • [22:36:25] * roaming (i=51d716cc@gateway/web/freenode/x-xvueroewozkhdqpj) Quit ("Page closed")
  • [22:37:08] <prpplague> jkridner|work: i'll see what my schedule looks like, no guarantees
  • [22:37:25] <Ceriand|work> snowman_: preventing the high current, short duration current pulses that digital circuits have from affecting power/ground rails
  • [22:38:02] * thaytan (n=jan@213-202-130-205.bas502.dsl.esat.net) has joined #beagle
  • [22:38:04] * prpplague is now known as prpplague_afk
  • [22:38:31] <snowman_> Ceriand|work: what is high current and how would anthing affect ground? I though ground was just a constant force pulling on the electrons
  • [22:38:57] <snowman_> "the high current"*
  • [22:39:19] <Ceriand|work> the ground plane or wires are just like any other wires
  • [22:39:19] <mru> ground isn't necessarily stable
  • [22:39:25] * cbrake is now known as cbrake_away
  • [22:39:30] <Ceriand|work> they'll have a voltage drop across them depending on the current
  • [22:39:39] <Ceriand|work> since they have a non-zero resistance
  • [22:39:49] <bjdooks> snowman_: the sort of parts like the OMAP use power when internal bits switch from one state to another
  • [22:40:42] <prpplague_afk> snowman_: http://en.wikipedia.org/wiki/Decoupling_capacitor
  • [22:40:42] <bjdooks> you need decoupling capacitors to supply the rush of current needed when this happens as the power supply can't act fast enough, or power can't flow quickly enough across the PCB
  • [22:42:40] <bjdooks> http://www.simtec.co.uk/appnotes/AN0013/scope-badpwr-full.png is a simple circuit where we forgot the decoupling
  • [22:42:58] <bjdooks> te red lines the actual output, the black one the wanted
  • [22:43:18] <bjdooks> http://www.simtec.co.uk/appnotes/AN0013/scope-goodpwr-full.jpg is a real scope with it fixed
  • [22:43:18] <snowman_> so how would you get that?
  • [22:43:47] <bjdooks> the failure was due to not putting a small capacitor near the chip doing the work
  • [22:44:17] <snowman_> but why would the capacitor correct that?
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  • [22:44:26] <bjdooks> it acts like a little power resevoir
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  • [22:44:57] <bjdooks> it charges up when the chip isn't doing the work, and when the chip needs the power it can get the power from close to it, which is easier power to get
  • [22:45:04] <Ceriand|work> if you draw too much current, your supply rail will droop down
  • [22:45:17] <snowman_> oh
  • [22:45:18] <Ceriand|work> the cap acts like a little, low-resistance battery close to the chip
  • [22:45:48] <snowman_> oh ok
  • [22:46:01] <bjdooks> tis like putting a coolbox with some coke in it near to your desk for emergencies, and then going and topping it up from the fridge when you are free
  • [22:46:04] <snowman_> so that droop was caused by lack of available power?
  • [22:46:08] <bjdooks> yes
  • [22:46:16] <bjdooks> it takes time for power to get from A->B
  • [22:46:31] <snowman_> oh looks like a capcitor is discharging
  • [22:46:56] <bjdooks> that was 'cos there was one elsewhere on the board
  • [22:47:23] <snowman_> so how can a capacitor act in a square wave? Since the discharge would gradually lower the voltage?
  • [22:47:37] <bjdooks> the square is the output from a chip, not the capacitor
  • [22:47:58] <nullpuppy> ok. i've got what is likely a rather stupid question. Whats the point of generating map files when building for arm? is it needed at runtime? or just during linking? or...
  • [22:48:29] <snowman_> but the IC can't magically make the capacitor stop discharging
  • [22:48:55] <snowman_> is it IC > capacitor > GND or capacitor > IC > GND?
  • [22:49:12] <snowman_> where the IC can switch off the output?
  • [22:49:14] <bjdooks> the capacitor was across VCC and GND close to the IC
  • [22:50:02] <bjdooks> which fixed the droop as the IC could draw power from the cap when it needed a little extra
  • [22:50:21] <snowman_> but that brings me back to how the capacitor drops off sharply
  • [22:50:51] <snowman_> how can it just drag power from when it needs it?
  • [22:51:02] <snowman_> from it*
  • [22:51:10] * snowman_ is now known as Sn0wm4n
  • [22:51:12] <bjdooks> the cap gets charged from the power rails when the chip isn't drawing as much power
  • [22:51:47] <Sn0wm4n> how??
  • [22:51:58] <Sn0wm4n> how can it start and stop drawing power?
  • [22:52:36] <Sn0wm4n> do you have a schematic?
  • [22:52:37] <mru> Sn0wm4n: go get a copy of "The Art of Electronics" and read it
  • [22:53:40] <Sn0wm4n> I'm just having a hard time understanding how the circuit is set up
  • [22:55:21] * bjdooks has to go, got to be up tommorow morning
  • [22:57:07] <Sn0wm4n> thank god I get tommorow off of school
  • [22:57:56] <mru> Sn0wm4n: great, then you can go to the library or bookstore and find the book I mentioned
  • [22:58:03] <mru> really, you should, it's a great book
  • [22:59:01] <Sn0wm4n> I'm gonna be bad, I'm getting it off torrents right now
  • [22:59:17] <mru> worth paying for imo
  • [22:59:18] <Sn0wm4n> but getting it nevertheless
  • [22:59:21] * BThompson (n=a0193480@nat/ti/x-ohhzqaavdcyhywbm) Quit (Read error: 104 (Connection reset by peer))
  • [22:59:30] * mru didn't pay for it
  • [22:59:38] <Sn0wm4n> lol
  • [22:59:39] <mru> I got it from my dad many years ago
  • [22:59:52] <Sn0wm4n> is it on electronics theory?
  • [23:00:04] <Sn0wm4n> or applied electronics...?
  • [23:00:06] <mru> I don't think he paid for it either; it has a company sticker inside ;-)
  • [23:00:06] <Sn0wm4n> or what?
  • [23:00:11] <Sn0wm4n> lol
  • [23:00:51] * ant__ (n=andrea@host208-253-dynamic.5-87-r.retail.telecomitalia.it) has joined #beagle
  • [23:01:25] <Sn0wm4n> ITS 1041 PAGES?!?! did you read all of it???
  • [23:01:44] <Crofton|work> Get the "Boy Electrician" it is shorter
  • [23:01:49] <mru> I doubt I ever read all the pages
  • [23:02:01] <Crofton|work> http://www.flickr.com/photos/32615155@N00/sets/72157622778244310/
  • [23:02:02] <mru> read the first chapter or two
  • [23:02:11] <mru> your questions from earlier will be answered
  • [23:02:17] <Sn0wm4n> in tech books, are you only supposed to read the parts you need?
  • [23:02:18] <Sn0wm4n> ok
  • [23:02:46] <Sn0wm4n> becuase like a c++ book thats 800ish pages long is rediculous
  • [23:02:46] <mru> with a book like this, you read the first few chapters, then you can start skipping parts you're not interested in
  • [23:02:56] <Sn0wm4n> gotcha
  • [23:03:06] <Sn0wm4n> wish I could read it on my iphone
  • [23:03:19] <Sn0wm4n> where it is actually readable*
  • [23:03:25] <mru> like you can skip the parts about radio-frequency designs if you're more interested in logic gates
  • [23:04:05] * ant__ (n=andrea@host208-253-dynamic.5-87-r.retail.telecomitalia.it) has left #beagle
  • [23:04:17] <Sn0wm4n> lol thats the bad part about me is I'm interested in all of it, so I'll probably tear my hair out trying to comprehend all of it
  • [23:05:28] <Sn0wm4n> how do you know this is reliable?
  • [23:05:35] <mru> that book?
  • [23:05:48] <Sn0wm4n> yah thats what I always wonder
  • [23:06:01] * nhg (n=a0864305@nat/ti/x-yrmneukxjgbkbose) has joined #beagle
  • [23:06:03] <mru> I built many of the circuits and they worked as stated
  • [23:06:21] * nhg (n=a0864305@nat/ti/x-yrmneukxjgbkbose) has left #beagle
  • [23:06:30] * Eko (n=eko@lawn-143-215-111-30.lawn.gatech.edu) has joined #beagle
  • [23:06:31] <Sn0wm4n> so pretty much the theory in this book works in practice?
  • [23:06:49] <mru> oh yes
  • [23:06:50] * Crofton (n=balister@pool-71-171-31-89.nwrknj.east.verizon.net) has joined #beagle
  • [23:06:56] <mru> morning Crofton
  • [23:07:18] <Sn0wm4n> It just that reading a book about engines, you can go look at a piston, crackshaft, and camshaft but you can't exactly look at electrons and such
  • [23:07:22] <Crofton> heh
  • [23:07:28] <Crofton> starting irc on laptop
  • [23:07:49] <mru> Sn0wm4n: no, but you can buy the parts and build the circuits
  • [23:07:55] <mru> you can't do that with a petrol engine
  • [23:08:25] <Sn0wm4n> true. petrol? you from europe?
  • [23:08:33] <mru> yeah
  • [23:09:00] <Sn0wm4n> hehe
  • [23:09:03] <Sn0wm4n> where?
  • [23:09:09] <mru> I live in england
  • [23:09:18] <Sn0wm4n> I've been there
  • [23:09:23] <Sn0wm4n> well london
  • [23:09:34] <mru> london is nice
  • [23:09:36] <Sn0wm4n> lol but I live in tennessee :-)
  • [23:09:38] <Sn0wm4n> yah it is
  • [23:09:52] <Sn0wm4n> its like a more interesting version of new york
  • [23:10:16] <Sn0wm4n> I still remember going up in the eye of london
  • [23:10:25] <Sn0wm4n> That was fun
  • [23:10:29] <mru> tourist ;-)
  • [23:10:36] * mru hasn't been on it
  • [23:10:43] <Crofton|work> http://danielwebb.us/projects/pd_tech_books/
  • [23:10:47] <Sn0wm4n> what??? how?? lol you friggin live there
  • [23:11:18] <mru> I've been to the top of st paul's cathedral
  • [23:11:24] <Sn0wm4n> yah i went there paris and a bunch of places in italy
  • [23:11:35] <Sn0wm4n> that was when I was about 12 or so
  • [23:11:42] <Sn0wm4n> so about 3 years ago
  • [23:11:46] <Sn0wm4n> or 4
  • [23:11:58] <Sn0wm4n> had my first alcohol in italy
  • [23:12:13] <mru> you're too young to be drinking
  • [23:12:14] <Sn0wm4n> and it was gewd...
  • [23:12:15] <Sn0wm4n> I am
  • [23:12:32] <mru> now where did I put that whisky...
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  • [23:12:49] <Sn0wm4n> I had a sip of some liquor(i liked), red wine (GROSS), and white wine (GROSS)
  • [23:12:53] <Sn0wm4n> lol mru
  • [23:13:03] <mru> see, you're too young
  • [23:13:18] <Sn0wm4n> Crofton|work: that book is 100 years old????
  • [23:13:28] <Sn0wm4n> but I really did like that liquor
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  • [23:13:46] <Sn0wm4n> and it was weird seeing a rock beach
  • [23:13:50] <Crofton|work> yeah
  • [23:13:54] <Sn0wm4n> (and painful)
  • [23:14:07] <Sn0wm4n> Crofton|work: haven't things changed since then??
  • [23:14:11] <Crofton|work> I read my Dad's copy when I was a kid
  • [23:14:13] <Crofton|work> not really
  • [23:14:19] <Crofton|work> devices have changed
  • [23:14:23] <Crofton|work> great book still
  • [23:14:29] <Sn0wm4n> :-/ oke doke
  • [23:14:31] <mru> maxwell's equations still hold ;-)
  • [23:14:53] <Sn0wm4n> I also remember a fat guy in a speedo standing in front of me for like 1/2 an hour
  • [23:15:11] <mru> if maxwell's equations aren't elegant, I don't know what is...
  • [23:15:18] <Sn0wm4n> lol
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  • [23:20:21] <mru> koen: http://git.mansr.com/?p=omapfbplay;a=commit;h=9830926d
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