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| 00:46.21 | NullMoogleCable | stabs prpplague_afk |
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| 00:47.01 | landley | Ponies? |
| 00:47.40 | NullMoogleCable | hi |
| 00:49.22 | SpeedEvil | roxfan: yeah - I need to read the ds and see if it can, r if it can do GPIO |
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| 03:22.49 | landley | I really need to do something with toybox. |
| 03:23.00 | landley | I just wrote a new wc for toybox because it was easier than making a small fix to the busybox version. |
| 03:23.11 | landley | The busybox version is over 200 lines. The new toybox version is 98 lines. |
| 03:24.40 | landley | Plus you have to touch a half-dozen other files to add an applet to busybox. Each toybox command is self-contained in a single file with everything else auto-generated at build time. |
| 03:52.55 | Mirell | Mmm. |
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| 04:05.41 | mac2612 | hi |
| 04:06.24 | mac2612 | can I ask an embedded n00b question? |
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| 04:15.15 | MonMotha | mac2612: you can ask, but you may or may not get my activity at this hour. |
| 04:15.32 | MonMotha | this channel is primarily active during the day in Western Europe and Americas |
| 04:15.37 | mac2612 | heh okay |
| 04:15.52 | mac2612 | well I have a device that has a ti-davinci SoC in it |
| 04:16.34 | mac2612 | and it looks like at least the core of the chip has support in the mainline kernel and in the linud-davinci git |
| 04:17.08 | mac2612 | but all the rest of the drivers don't seem to be there (lcd, i2c->ata, etc) |
| 04:17.21 | mac2612 | I have a gpl bundle from the manufacturer with a kernel source tree |
| 04:17.32 | mac2612 | montavista linux 4, kernel 2.6.10 |
| 04:18.09 | mac2612 | how big of a deal is it to get those drivers working with a recent kernel? |
| 04:19.59 | MonMotha | well, there have been some substantial changes since then |
| 04:20.09 | MonMotha | IIRC, 2.6.12 and 2.6.18 both introduced a lot of new stuff |
| 04:20.38 | MonMotha | 2.6.10 is really old. I'm kinda surprised support isn't integrated into mainline by now if it was originally done that long ago |
| 04:23.20 | mac2612 | yeah I realize that 2.6.10 is old as hell |
| 04:23.40 | mac2612 | its basically archos being nasty bastards |
| 04:24.14 | mac2612 | I was kind of surprised myself |
| 04:24.51 | mac2612 | I think that when the drivers were written they were not submitted anywhere, just kept for their own internal use |
| 04:31.59 | mac2612 | well....I guess its at least marginally better than starting from wince |
| 04:41.30 | MonMotha | mac2612: that would do it |
| 04:41.38 | MonMotha | vendors often just make it work then keep shipping the same ancient kernel |
| 04:42.51 | mac2612 | yeah |
| 04:42.53 | mac2612 | :( |
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| 04:43.18 | mac2612 | I have no problem learning about all this and getting my hands dirty |
| 04:43.28 | mac2612 | but I'm trying to get an idea of the amount of work really involved |
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| 05:02.17 | landley | Hmmm, I might wind up driving to flourishconf.com. |
| 05:02.20 | landley | Mirell: Mmm? |
| 05:02.50 | Mirell | Yes? |
| 05:03.33 | landley | mac2612: get a diff against vanilla 2.6.10 as your first thing, and try to split the changes up into separate patches. |
| 05:04.38 | landley | Mirell: well you went Mmm earlier. |
| 05:04.45 | landley | It didn't seem to be a specific mmm. |
| 05:05.22 | mac2612 | landley: so diff the vanilla 2.6.10 and the montavista 2.6.10? |
| 05:09.54 | MonMotha | right |
| 05:10.14 | MonMotha | then split the giant diff up into patchsets that go together and attempt to apply them one-by-one to a newer kernel |
| 05:10.23 | MonMotha | most will probably have at least some hunks that fail, so you'll have to merge manually |
| 05:10.54 | MonMotha | when you're done, you can grab a diff from the new vanilla to your patched new stuff and keep it around in hopes that it continues to apply to newer stuff as it comes out, or, if you're really daring, you can try to get it pushed upstream |
| 05:13.15 | mac2612 | hrmmmm okay |
| 05:13.24 | mac2612 | time to learn me some kernel stuff :) |
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| 05:25.25 | landley | mac2612: If you can break it up, you can get some help from other people in their areas of expertise. |
| 05:26.01 | landley | The smaller chunks are easier to deal with. One big monolithic lump isn't really something anybody can cope with. |
| 05:26.28 | mac2612 | holy shit it came up with almost 2 million lines |
| 05:41.56 | landley | mac2612: ok, something's wrong with that then. |
| 05:42.02 | landley | Are you sure it's 2.6.10? |
| 05:42.30 | landley | Also feed it the "ignore whitspace changes" flags and such. |
| 05:42.49 | mac2612 | it says it is but some of the make configs say 2.6.10_rc3 |
| 05:43.27 | landley | Ok, try diffing it against rc3 then. |
| 05:44.15 | mac2612 | well no the one from kernel.org that claims to be 2.6.10 has that |
| 05:44.41 | mac2612 | rather odd |
| 05:45.05 | landley | Look at the diff and see what kind of changes it shows. |
| 05:45.25 | landley | It's possible they picked a random source control version, and it's possible they really did do 2 million lines of changes. |
| 05:45.41 | landley | More likely they ran it through a source code formatter to apply a house style. |
| 05:47.12 | mac2612 | theres some stuff that looks like actual code changes |
| 05:47.22 | mac2612 | then there's a lot of shit that just looks like loads and loads of kernel configs? |
| 05:48.05 | mac2612 | defconfigs I guess |
| 05:48.40 | landley | mac2612: You can probably chop those out pretty easily. :) |
| 05:55.54 | mac2612 | aha! |
| 05:56.00 | mac2612 | it tried to diff something wierd |
| 05:58.43 | mac2612 | okay down to 750k lines |
| 06:18.12 | landley | Yay! |
| 06:18.40 | landley | By the way, if you need a git repository that goes all the way back to 2.4.0 but which you can still pull current stuff into from Linus's tree, I've got one and can send you the tarball. |
| 06:19.23 | landley | It was spliced together by... somebody in france, might have been? |
| 06:23.37 | landley | Ah, actually it's the complete Linux archive from 0.0.1 to today as a git archive: http://padator.org/linux/full-history-linux.git.tar |
| 06:23.50 | mac2612 | wow....thats pretty impressive! |
| 06:24.19 | landley | I thought so, yes. That's why I use it. |
| 06:24.40 | landley | It's SO much nicer to do an annotate against that rather than have it say "and 80% of this file was created in 2.6.12-rc2". |
| 06:25.09 | landley | And it pulls and updates just like a normal repo. Missing tags for a lot of the old stuff, though. I should go through and tag my copy someday... |
| 06:26.11 | mac2612 | cool |
| 06:26.33 | mac2612 | I am more or less a noob to kernel stuff |
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| 06:50.06 | mac2612 | alright I am going to bed...will play with this more tomorrow. Thanks landley and MonMotha for your help :) |
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| 13:37.38 | sjhill | hello everyone |
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| 17:08.40 | SpeedEvil | Just been reading the omap35xx datasheet. |
| 17:08.50 | SpeedEvil | _insane_ clocking and power gating. |
| 17:09.03 | SpeedEvil | well over a hundred pages on clocks alone. |
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| 17:16.42 | sjhill | SpeedEvil: yeah, i've had to go through some of that |
| 17:17.13 | sjhill | SpeedEvil: pretty daunting, i've just been contacting my FAE and saying, "I want do to do this, how do I set the registers." |
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| 17:18.29 | rektide | my openpandora should arrive in not too long |
| 17:18.47 | rektide | i hope theres some way an end user like myself can get access to the omap35xx datasheets |
| 17:18.53 | rektide | so i can tune the living hell out of it |
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| 17:23.54 | SpeedEvil | google spruf98 |
| 17:24.17 | SpeedEvil | is 3309 pages |
| 17:24.38 | SpeedEvil | I haven't found specific part number datasheets that list the per-part limits |
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| 18:07.07 | sjhill | prpplague! |
| 18:09.27 | prpplague | sjhill: hey bud |
| 18:09.34 | prpplague | wmat: ping |
| 18:09.41 | prpplague | sjhill: what's cookin? |
| 18:11.59 | sjhill | prpplague: ordered our pirates |
| 18:12.18 | sjhill | prpplague: no estimate yet, other than they are close to coming back from manufacturing |
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| 18:16.20 | prpplague | sjhill: ah dandy |
| 18:17.51 | sjhill | i was bummed, they have a color portable oscope for $89 for up to 1MHz signals |
| 18:17.56 | sjhill | nice little unit |
| 18:19.42 | prpplague | yea i saw that |
| 18:19.46 | prpplague | i was considering getting one |
| 18:19.59 | prpplague | i actually thought that it might be a good hack for te didj |
| 18:24.15 | NullMoogleCable | hi prpplague |
| 18:31.05 | prpplague | NullMoogleCable: hey |
| 18:32.14 | bsdfox_ | does didj have a good adc? |
| 18:35.18 | prpplague | bsdfox_: i don't think it has anything that is accessable |
| 18:49.20 | NullMoogleCable | you can use a i2c to a/d converter |
| 19:01.59 | SpeedEvil | wishes microSD cards were 2mm thick. |
| 19:02.22 | SpeedEvil | (I'd love to make an add-on-compass for the n900) |
| 19:02.46 | SpeedEvil | The MMC port can be switched into GPIO mode. Tehre is power there, and it's all dead easy. |
| 19:02.57 | SpeedEvil | Apart from the fact that there is no way I can make the height. |
| 19:03.35 | SpeedEvil | And yes - hacks round this are obvious - but it's not neat. (neglecting the fact that there is a steel clip over it and it wouldn't work anyway) :) |
| 19:09.18 | wmat | prpplague: pong |
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| 19:31.36 | prpplague | wmat: looks like we have someone using the elinux.org wiki to document a beagleboard class, but they are making alot of pages that have generic names, but are specific to the class |
| 19:33.33 | wmat | prpplague: i saw that in passing this morning but didn't look closely at it yet |
| 19:33.57 | prpplague | wmat: i sent an email to the organizer, i'll give him a couple of days to clean it up |
| 19:34.40 | wmat | did you by any chance point them at subpage instructions? |
| 19:35.23 | prpplague | yea |
| 19:35.41 | wmat | excellent |
| 19:36.28 | wmat | let me know if they need any help |
| 19:37.16 | prpplague | wmat: ok thanks, i just wanted to run it by you so you knew what was going on |
| 19:37.41 | wmat | prpplague: thx, I had meant to follow up on that today, but had forgotten |
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| 20:35.31 | prpplague | needs to buy a small coffee machine for his cube |
| 20:54.57 | SpeedEvil | is using a thermos for that. |
| 20:55.09 | SpeedEvil | Though s/cube/bed/ |
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| 22:12.13 | prpplague | hey anyone interested in a telecommute android contract? |
| 22:37.43 | wmat | prpplague: sure, for 1 meeeeelion dollars |
| 22:41.02 | prpplague | techincally it's linux kernel work with android support patches |
| 22:41.50 | T0mW | sounds sexy |
| 22:43.18 | wmat | prpplague: flowing back into the android project? |
| 22:43.29 | prpplague | wmat: no clue, but they sound desperate |
| 22:44.41 | wmat | prpplague: are you at liberty to pass along details? |
| 22:45.46 | calculus | that reminds of a demo I saw of someone remotely logging into their g1 and an audience member said run uname only to find out that there is no uname on the phone |
| 22:49.38 | prpplague | wmat: don't have many other that they are desperate to find someone who can fix their kernel issues |
| 22:51.35 | SpeedEvil | would love to say yes - but hasn't done any kernel work. |
| 22:52.08 | SpeedEvil | Currently reading up on errata and trying to work out how the USB host on the n900 might work. |
| 22:52.27 | SpeedEvil | And trying to work out how the schematic I've found differs from reality. |
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| 23:00.21 | prpplague | wow actually found a usb->rs232 dongle that doesn't have support for anything other than 8,n,1 |
| 23:01.18 | SpeedEvil | :/ |
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