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[01:47:29] <geckosenator> hi
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[02:00:56] <ds2> what do people here think about using acrylic/plexiglass as a case material?
[02:03:26] <magnet> evening.
[02:03:42] <magnet> I made my case out of plexiglass ds2.
[02:04:08] <magnet> it's nice but a bit hard to cut.
[02:05:47] <ds2> magnet: how well is it holding up? plexi scratches if you stare at it wrong
[02:06:26] <magnet> I've read that too but I did not met the problem.
[02:06:45] <ds2> cutting plexi isn't too hard; biggest risk is it shattering
[02:07:04] <magnet> I used a dremel to cut it, maybe it's not the right tool, but it melted instead of cutting.
[02:07:19] <ds2> oh yeah, it is going too fast
[02:07:40] <magnet> up to 35k turn/minuts baby !
[02:07:54] <ds2> liquid plexi!
[02:08:17] <magnet> yea on my first try I had a shot of liquid plexi :)
[02:08:35] <magnet> but after I worked it at 5000/7500 turns , it was quite ok.
[02:08:39] <ds2> 35K only makes sense if your bit is like 0.005 in diameter
[02:09:19] <magnet> I think I never needed it yet.
[02:09:34] <magnet> trough I'm not very experienced with case building, and dremel tools.
[02:09:56] <ds2> 5000 is about 150SFM... you can probally push it up to about 10K @ 300SFM
[02:10:14] <magnet> what's SFM ?
[02:10:24] <ds2> Surface Feet per Minute
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[02:10:36] <ds2> it is how fast the outer edge of the cutter is moving
[02:10:37] <magnet> oh roger.
[02:11:14] <ds2> it also helps to have some coolant on there... I get away with dilluted dish detergent
[02:11:29] <magnet> so faster with smaller drills / disk on the dremel.
[02:11:36] <magnet> ?
[02:11:52] <ds2> yes for the bit but no for the disk
[02:12:11] <ds2> the disk on the dremel are like 1" whereas the bits are around 1/8"
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[02:13:39] <magnet> I see.
[02:14:00] <ds2> obviously slow down if the bit is looking like it is unhappy or about to shatter ;)
[02:14:17] <magnet> yea exploding disk are scary at start
[02:14:54] <ds2> and definitely slow down if the bit changes color!
[02:15:13] <magnet> ahaha.
[02:15:26] <vijay> hi how can i enable s-video in the oe generated kernel? is there a patch available?
[02:15:32] <ds2> I am serious...
[02:15:45] <ds2> vijay: check the mailling list, there are pointers to patches
[02:16:14] <ds2> running it too fast means it gets hotter; there are different color oxides that form depending on the temperature the bit gets exposed to
[02:16:23] <ds2> get it hot enough and the bit turns blue!
[02:16:57] <magnet> I didn't knew that.
[02:17:17] <magnet> that case is the first thing I build with my dremel.
[02:17:27] <ds2> ah
[02:20:53] <magnet> I'm off to bed.
[02:20:56] <magnet> night !
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[04:16:21] <wbrown> hello!
[04:16:35] <wbrown> I just got my beagle board and I'm trying to get an Angstrom dev environment for it.
[04:16:53] <wbrown> But when I do a bitbake, the defconfig for the beagleboard stuff seems nonexistent?
[04:17:10] <wbrown> Do I need to git from the latest tree, or something?
[04:24:56] <Crofton|work> yeah
[04:25:02] <Crofton|work> beagle is not in stable branch
[04:26:11] <wbrown> Gotcha.
[04:26:19] <wbrown> gitting the dev branch now :)
[04:27:52] <wbrown> Does any distribution or environment have working accelerated framebuffer or X11 server for the beagle board yet?
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[04:37:59] <Crofton|work> x11 server works
[04:58:53] <wbrown> Is it accelerated?
[04:59:00] <wbrown> It doesn't seem to be accelerated to me. :)
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[08:54:05] <Eanmig> im having a strange issue with angstrom linux
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[08:56:28] <Eanmig> ipv6: disagrees about version of symbol struct_module
[08:56:38] <Eanmig> anyone seen that before?
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[09:15:28] <keesj> Eaming isn't that the message you get when you probe a kernel module that is not compiled for that kernel version
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[09:45:50] <kulve> wbrown: what kind of acceleration are you talking about?
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[10:50:11] <BBdev> I'm trying to make NFS. i succsesfully make et connection between host (linux PC) and BB(kernal 2.6)
[10:51:07] <BBdev> ping works ok. now i enable nfs at exports file on server, but still can mount server fs from client
[10:51:20] <BBdev> can't mount..
[10:52:43] <BBdev> should i have rpcinfo on client?
[10:53:30] <kulve> check the PC's log, if there's anything about the mount attempt and whether the NFS server accepts the mount request
[10:53:40] <kulve> /var/log/daemon might be the correct lohg
[10:53:42] <kulve> -h
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[11:09:32] <koen> kulve: http://www.bat.org/~tomba/git/0001-debug-prints.patch
[11:09:48] <koen> kulve: that adds more debugging to dss2 to track down clock problems
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[12:20:41] <Agiofws> hello
[12:20:49] <Agiofws> does beagle have an eth port ?
[12:23:09] <koen> if you add an usb ethernet adapter or a daughterboard
[12:23:39] <Agiofws> its a major draw back if you can't hook it up on a lan or wan right ?
[12:24:18] <Agiofws> no wifi no eth right ?
[12:24:21] <Agiofws> hmm
[12:26:30] <koen> I use a usb ethernet adapter to get on my lan
[12:26:47] <magnet> hi
[12:26:57] <geckosenator> I was using usb to get on my lan
[12:27:02] <magnet> I'm setuping some wireless usb adapter atm.
[12:27:24] <geckosenator> cdc ethernet
[12:27:34] <Agiofws> cdc ?
[12:27:55] <Agiofws> is it a simple connector ? or does it have its own OS ?
[12:28:35] <geckosenator> er
[12:28:50] <geckosenator> I plug usb directly from beagleboard to another computer
[12:29:03] <geckosenator> then that computer forwards packets to it
[12:29:29] <geckosenator> it's cdc ethernet, shows up as usb0 as a network device
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[12:29:53] <Agiofws> geckosenator, usb 2 usb ?
[12:30:16] <geckosenator> yeah
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[12:32:26] <geckosenator> I just finished designing a board that converts hdmi to parallel
[12:32:42] <geckosenator> it's really simple
[12:32:56] <geckosenator> I'm going to use it until revC is out, rather than tapping pins on the parts on the board
[12:32:58] <Agiofws> why would want that ?
[12:33:05] <geckosenator> to drive an lcd
[12:33:15] <Agiofws> drive an lcd ?
[12:33:22] <geckosenator> like psp display
[12:33:27] <geckosenator> or any display that isn't dvi-d
[12:33:32] <Agiofws> no d-sub connector ?
[12:33:37] <Agiofws> or vga ?
[12:33:37] <geckosenator> yeah
[12:33:40] <geckosenator> right
[12:33:43] <Agiofws> heh
[12:33:47] <geckosenator> a lot are parallel, and some are 4 channel lvds
[12:33:57] <geckosenator> not vga or dvi
[12:34:39] <Agiofws> doesn't it have this connector ?
[12:34:50] <Agiofws> www.imagebin.org/31295
[12:35:02] <Agiofws> your lcd or tft does not have that connector ?
[12:35:19] <magnet> geckosenator: what result do you have with that parralel to lvds wiring ? isn't that slow ?
[12:35:25] <geckosenator> slow?
[12:35:56] <magnet> yea ?
[12:36:04] <geckosenator> the omap puts out parallel
[12:36:13] <geckosenator> then, it gets converted to dvi-d
[12:36:18] <geckosenator> then I conver that back to parallel
[12:36:23] <geckosenator> then I convert the parallel to lvds
[12:36:26] <Agiofws> www.imagebin.org/31296
[12:36:52] <geckosenator> Agiofws: that is ethernet
[12:37:03] <magnet> that sound weird.
[12:37:06] <geckosenator> magnet: I don't think it makes anything slower
[12:37:36] <geckosenator> magnet: the revC will allow me to not convert to dvi-d and back to parallel more easily which will reduce power consumption significantly, otherwise I doin't see any advantage
[12:37:48] <Agiofws> maybe those usb wifi dongles would work
[12:37:55] <geckosenator> Agiofws: I ordered one
[12:38:01] <geckosenator> it's on the way though.. it should work
[12:38:08] <geckosenator> I would be surprised if it didn't
[12:38:13] <Agiofws> geckosenator, usb wifi dongle ?
[12:38:16] <geckosenator> yeah
[12:38:20] <Agiofws> work in linux ?
[12:38:22] <geckosenator> also usb bluetooth
[12:38:32] <magnet> Agiofws: in the beagle device section of the wiki,
[12:38:33] <geckosenator> well, I don't know if it works or not yet
[12:38:33] <Agiofws> would they*
[12:38:47] <Agiofws> well you use linux on BB ?
[12:38:47] <magnet> there is some wireless usb adapter that is said to works fine.
[12:38:49] <geckosenator> it's supposed to be able to do the faster speeds
[12:39:05] <geckosenator> Agiofws: yes
[12:39:15] <geckosenator> magnet: they should all work
[12:39:31] <Agiofws> well usb2wifi if it works on linux would be ok i guess
[12:39:31] <geckosenator> anyway.. this is 802.11n which is supposed to do 300mbits
[12:39:47] <Agiofws> you could run openwrt on this ?
[12:39:49] <geckosenator> I don't see why it wouldn't
[12:39:54] <magnet> geckosenator: I guess some require binary drivers and won't work on arm easily.
[12:40:05] <geckosenator> magnet: oh, I won't use those ones
[12:40:12] <magnet> me neither :p
[12:40:31] <Agiofws> whats a daughter card ?
[12:40:39] <geckosenator> and bluetooth is basically guarenteed to work because of the standardized HCI api
[12:41:00] <magnet> geckosenator: I'd like to know more about your board, do you have schematics or informations somewhere ?
[12:41:04] <geckosenator> then I have an external 320GB harddrive
[12:41:39] <geckosenator> magnet: on my drive.. in a week or so when I order boards I'll get a few
[12:42:06] <magnet> I see.
[12:42:09] <geckosenator> magnet: I'll publish layouts schematics etc... I might even build a few boards and sell them for whatever it costs to make
[12:42:23] <magnet> woot
[12:42:24] <geckosenator> do you need to drive an lcd that isn't dvi?
[12:42:48] <magnet> I wished to drive some lvds screen with BB,
[12:42:55] <Agiofws> http://imagebin.org/31291
[12:43:04] <geckosenator> I'm going to try to drive an lvds screen that is an 800x480 oled display
[12:43:13] <magnet> I had to find a lvds controller that fitted my need.
[12:43:34] <magnet> that was hard to find.especially for the lvds cable;
[12:43:42] <geckosenator> magnet: I'm making two boards.. one that does hdmi to parallel, then one that does parallel to lvds
[12:44:05] <magnet> uhh I could remove that lvds controller so ?
[12:44:08] <geckosenator> magnet: that way when revC boards are out, I'll make a new board that does parallel to parallel (voltage level translation 1.8 to 3.3)
[12:44:18] <geckosenator> magnet: depends what you need
[12:44:34] <magnet> without the controller, I could not change resolution I guess
[12:44:45] <geckosenator> magnet: I could have yet another board that takes the 3.3v parallel and just has a connector for say the psp displays which are parallel
[12:44:52] <geckosenator> magnet: ? sure you can
[12:45:21] <magnet> umm I definitly need to have a look at your work :)
[12:45:23] <geckosenator> the lvds takes 28 parallel lines, and serializes it onto 4 lines at 7x the clock speed
[12:45:24] <jkridner> good morning all
[12:45:32] <magnet> hi
[12:45:41] <geckosenator> magnet: ok, I'll be in this room I'll let you know how it goes
[12:46:15] <geckosenator> magnet: I also have a mini-pcb that can replace the tfp410 on the beagle board to give you parallel out on revB boards.. but you have to remove the dvi encoder
[12:48:43] <magnet> ummm
[12:49:03] <magnet> when I had the beagle board I first wished for a solution like that,
[12:50:13] <magnet> but after some researchs on internet, I found out It won't be do able without the lvds controller.
[12:50:18] <geckosenator> well
[12:50:21] <geckosenator> I found 4 controllers
[12:50:31] <geckosenator> that are like $4 each in quantities of 1 on digikey
[12:50:38] <geckosenator> they convert parallel to lvds
[12:50:55] <geckosenator> what lcd are you trying to drive? do you have a part number? maybe I can put a connector for it on my board
[12:51:20] <magnet> It's a samsung 10.4" , I have part numbers.
[12:51:26] <magnet> trough I broken it :(
[12:51:35] <Ikarus> geckosenator: aren't the connectors just about the most expensive bit ?
[12:51:45] <Ikarus> geckosenator: well, outside of the hassle of routing LVDS lines on a PCB
[12:52:07] <geckosenator> connectors are cheap
[12:52:08] <geckosenator> like $1
[12:52:15] <magnet> LTD104LA1S , it's toshiba not a samsung :)
[12:52:21] <geckosenator> magnet: oh, it's too late then if it's broken
[12:52:42] <magnet> I'll order another one in a few days
[12:52:46] <geckosenator> I can't find any info on the lcd
[12:52:54] <Ikarus> geckosenator: hrm, aah well, I heard differently but guess I was wrong
[12:52:57] <geckosenator> where do you order it?
[12:53:01] <geckosenator> Ikarus: well depends on the connectors
[12:53:11] <magnet> from some DIY projector resseller.
[12:53:26] <geckosenator> ok
[12:53:26] <magnet> a very nice guy called chen.http://agilentpixel.com
[12:53:47] <geckosenator> I wonder if they have oled displays...
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[12:54:19] <geckosenator> magnet: do you see they have kits for at 10.4" dvi lcd?
[12:54:48] <magnet> in fact I discoverd that later.
[12:54:57] <magnet> but I brough all part in that kit :)
[12:55:37] <Ikarus> btw, anyone know a vendor of small, affordable "small" (4 - 5" 4:3 or 7" or so 16:10) TFT screens, already mated to a touchscreen
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[12:56:13] <Ikarus> want to avoid doing the mess of sticking the touchscreen to the panel....
[12:56:45] <geckosenator> I have seen some
[12:56:51] <geckosenator> how are you goint to read the touchscreen?
[12:57:09] <geckosenator> Ikarus: http://shop-on-line.tvielectronics.com/product_info.php?products_id=69
[12:57:15] <Ikarus> geckosenator: generic SPI connected touchscreen controller
[12:57:28] <geckosenator> Ikarus: is there a linux driver for that?
[12:57:39] <geckosenator> I would use usb because then you don't need drivers
[12:57:44] <Ikarus> geckosenator: USB is a pain
[12:57:52] <geckosenator> why?
[12:57:57] <Ikarus> geckosenator: I prefer the SPI solution even if it means writing drivers
[12:57:58] <geckosenator> you just plug it in and you are doine
[12:57:59] <magnet> it was, now it's cool :)
[12:58:12] <Ikarus> geckosenator: because it is just a plug, not a decently held on board
[12:58:24] <geckosenator> I like glue...
[12:58:35] <Ikarus> geckosenator: which is more mess, I'm sticking with SPI
[12:58:38] <geckosenator> well they make parts that take 4 wire resistive touch screen and talk spi
[12:58:40] <Ikarus> writing drivers is easy imo
[12:58:44] <geckosenator> so you could use one of those
[12:58:50] <geckosenator> or a microprocessor would work too
[12:58:54] <Ikarus> geckosenator: also for 5 wire and yes
[12:58:57] <geckosenator> yeah
[12:59:17] <Ikarus> but I need a TFT + touchscreen assembly
[12:59:27] <geckosenator> I would personally just get the $30 touchscreen to usb board and be done though :-P
[12:59:46] <geckosenator> Ikarus: try osddisplays.com/tft.php
[13:00:22] <geckosenator> they sample those screens for like $100 for 8", probably cheaper for smaller
[13:01:50] <Ikarus> hmmm, will inquire with them yup
[13:01:59] <geckosenator> magnet: I have no idea why those controllers on that site are so complicated.. I think I can do the same thing on a much smaller pcb with far fewer parts
[13:02:16] <geckosenator> Ikarus: I have inquired with a bunch of sites, that one replied but most didn't
[13:02:36] <magnet> I looked for a long time before finding it.
[13:02:54] <geckosenator> they look like they use a lot of power too
[13:02:54] <magnet> but DIY lvds controller would rock !
[13:03:04] <magnet> especially if it's small.
[13:03:10] <geckosenator> I don't support analog vga though
[13:03:25] <magnet> how do you see it use a lot of power ?
[13:03:39] <geckosenator> magnet: I"m going to use this part: DS90C385A
[13:03:42] <magnet> my controller is powered but 12V 2A I think
[13:03:49] <geckosenator> that's a lot of power
[13:03:59] <geckosenator> this one is like 3.3v 50mA
[13:04:23] <magnet> oh sesh
[13:04:26] <geckosenator> heh
[13:04:39] <magnet> I gotta show you something.
[13:04:42] <magnet> lemme upload pics
[13:04:48] <geckosenator> well, converting to dvi and back wastes about .5 watts which sucks
[13:04:58] <geckosenator> but once RevC is out that won't be an issue
[13:05:48] <geckosenator> magnet: maybe I should have generic connectors for lvds, then have a separate board with the connector for each particular lcd
[13:06:06] <geckosenator> that way I can support a whole slew of lcds with various combinations of boards
[13:07:25] <geckosenator> but hopefully I won't be building the boards.. I will just provide designs, and then you can order the boards for like $15, and the parts for another $15 and solder it yourself :-P
[13:08:00] <Ikarus> geckosenator: errrr, SMD stuff, well, I'd provide complete boards tbh
[13:08:32] <geckosenator> Ikarus: don't worry, I'm not using any BGA parts, everything can be soldered with an iron
[13:08:56] <geckosenator> Ikarus: I'm not even using qfn.. hopefully everything will have legs which makes things considerably easier with an iron
[13:09:19] <Ikarus> geckosenator: still 0.65 mm pitch leads are a pain to solder
[13:09:20] <geckosenator> although I do requently solder QFN parts
[13:09:27] <geckosenator> they are like .25mm parts
[13:09:28] <geckosenator> heh
[13:09:44] <geckosenator> Ikarus: some stuff is .5mm, I think that's the smallest
[13:09:59] <Ikarus> geckosenator: *pain*
[13:10:10] <Ikarus> geckosenator: btw, how do you hand solder QFN ?
[13:10:11] <geckosenator> Ikarus: I just run the iron across all the pins, and if you apply the solder at the right rate, you can get like 30 legs in 10 seconds
[13:10:27] <Ikarus> geckosenator: and then spend 2 hours cleaning up with wick
[13:10:33] <geckosenator> if you apply solder too fast it bridges, and not fast enough and it isn't enough
[13:10:51] <geckosenator> right, which is why you do it at the right speed so you don't need wick
[13:10:54] <geckosenator> heh
[13:11:31] <geckosenator> Ikarus: I solder qfn by getting solder to stick on the little .1mm part of the pad that is on the side of the part
[13:11:40] <Ikarus> heh, ouch
[13:11:48] <geckosenator> but I have parts which don't even have the .1mm part, those suck
[13:11:49] <Ikarus> I'll just continue on my own little reflow oven
[13:11:54] <geckosenator> I'm doing reflow too!
[13:12:27] <geckosenator> I have the toaster.. the thermocouple.. the stencil, solder paste, squeegee, parts, but the boards aren't here yet
[13:12:30] <Ikarus> I just wish the reflow solder paste was a bit cheaper
[13:12:41] <geckosenator> I got like 50g for $5 I think
[13:12:48] <Ikarus> geckosenator: wow, where ?
[13:12:50] <geckosenator> I'm not sure how many boards it will make
[13:13:03] <geckosenator> Ikarus: somewhere in china
[13:13:15] <geckosenator> which is where everything comes from basically
[13:13:34] <Ikarus> geckosenator: :( gah, I found it cheapest at about 20 euro for 10 grams....
[13:13:35] <geckosenator> http://cgi.ebay.com/LodeStar-Solder-Paste-50g_W0QQitemZ220298069532QQcmdZViewItemQQptZBI_Soldering?hash=item220298069532&_trksid=p3286.c0.m14&_trkparms=72%3A1205|66%3A2|65%3A12|39%3A1|240%3A1318
[13:13:54] <geckosenator> wait, that's like $10, not $5
[13:14:04] <Ikarus> geckosenator: that is still cheaper
[13:14:07] <geckosenator> yeah
[13:14:13] <keesj> drugs are cheaper
[13:14:29] <geckosenator> keesj: depends on which ones
[13:14:39] <keesj> indeed :p
[13:14:46] <Ikarus> ah, hey, DX has it in store cheaper
[13:15:09] <geckosenator> Ikarus: have you done any reflow?
[13:15:22] <Ikarus> geckosenator: only once
[13:15:27] <magnet> http://kanar.ci0.org/~magnet/
[13:15:33] <Ikarus> http://www.dealextreme.com/details.dx/sku.4711 with free shipping
[13:15:38] <Ikarus> that is cheaper then eBay
[13:15:38] <geckosenator> Ikarus: I'm about to try it soon
[13:15:53] <geckosenator> Ikarus: nice.. I just ordered a bunch of stuff on that stie
[13:15:56] <magnet> it's the beagle board with lvds controller.
[13:16:38] <geckosenator> magnet: nice
[13:17:02] <geckosenator> magnet: but it needs 12v to operate?
[13:17:18] <geckosenator> I'm considering just buying that board :-P
[13:17:19] <magnet> that the part I'm working on now.
[13:17:43] <Ikarus> geckosenator: heh, I just noticed they even have that exact type in the local DIY stores....
[13:17:44] <magnet> the lvds need 12 V. the hub and beagle need 5V
[13:18:07] <Ikarus> geckosenator: btw, do you have the datasheet for it ?
[13:18:28] <geckosenator> Ikarus: datasheet for?
[13:18:34] <Ikarus> the paste
[13:18:42] <magnet> I'm learning about dc to dc convertor. to replace power supplies by a battery.
[13:18:53] <geckosenator> Ikarus: no.. I assumed it works like normal paste
[13:19:08] <geckosenator> magnet: but it's not as efficient to have to pump 12v
[13:19:14] <geckosenator> magnet: did you measure the current at 12v?
[13:19:44] <Ikarus> geckosenator: erm, you atleast need to know the flow temperature....
[13:19:52] <magnet> no it's what's write on the power module.
[13:19:57] <Ikarus> geckosenator: whcih is quite different depending on what is in it
[13:19:59] <geckosenator> Ikarus: I can't measure temperature anyway
[13:20:10] <Ikarus> geckosenator: ... you will want to do that
[13:20:19] <geckosenator> Ikarus: I have a thermocouple, so I can get voltage.. I was going to do 1 part and see what voltage I need to get to
[13:20:30] <geckosenator> like a few tryout boards with just 1 cheap part on it
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[13:20:53] <geckosenator> but no absolute voltage
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[13:21:36] <geckosenator> magnet: you can build a boost converter to get to 12v.. but it's a crappy solution in this case if you care about power consumption
[13:21:46] <geckosenator> magnet: http://www.dimensionengineering.com/AnyVoltMicro.htm
[13:21:58] <magnet> I saw that on internet, but yea it supposed to be a laptop
[13:22:20] <geckosenator> you are trying to make a laptop too?
[13:22:36] <magnet> yep
[13:22:42] <geckosenator> we should definately collaborate more
[13:22:52] <geckosenator> heh.. mine is completely solar powered as well
[13:22:54] <magnet> hell yea :)
[13:23:00] <magnet> oh very nice.
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[13:23:08] <geckosenator> I managed to get 6W of solar panels that weigh 2oz
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[13:23:11] <geckosenator> so it's super light
[13:23:27] <magnet> where did you put the solar panel ?
[13:23:42] <geckosenator> well I haven't assembled it yet
[13:23:53] <geckosenator> it's like 40 small panels, and it will roll up
[13:24:20] <geckosenator> I want to have it charge a 5ah single cell lithium battery pack
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[13:24:58] <geckosenator> the sucky part for me, is the lcd display is going to use more power than the beagle board
[13:25:03] <geckosenator> which is not normal for laptops
[13:25:17] <magnet> that sound normal. still
[13:25:24] <geckosenator> normally the lcd uses up to 4 watts.. but the rest of the laptop is using 15watts or so at least
[13:25:27] <magnet> the screen is always the part sucking up more juice.
[13:25:37] <geckosenator> well, I want to get an oled screen
[13:25:47] <magnet> oh those are energy saving.
[13:26:01] <geckosenator> if you have a black console, and say 10% of the pixels are white, it only uses 10% the power of a typical lcd
[13:26:14] <geckosenator> so it might use the same if the screen is white
[13:26:19] <geckosenator> but that's worst case
[13:26:33] <magnet> heh that's nice.
[13:26:41] <Kavi> how to start coding for omap3530 in ccs? in the supported omap platform. i'm finding only upto omap3430...wat to do?
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[13:26:56] <magnet> now I think about taking one as replacement for my samsung.
[13:27:04] <geckosenator> they are expensive
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[13:27:11] <Kavi> jkridner: how to start coding for omap3530 in ccs? in the supported omap platform. i'm finding only upto omap3430...wat to do?
[13:27:13] <geckosenator> and hard to even get
[13:27:18] <BeagleDeveloper> Hey guys, I'm trying to mount an nfs. my sever works fine, but I'm getting the an error when trying to mount the beagle. http://pastebin.com/m7ca97dad
[13:27:26] <magnet> how much a 10.4 inch would cost ?
[13:27:36] <magnet> I pay 180$ for mine.
[13:27:38] <jkridner> Kavi: Have you downloaded service pack 11?
[13:27:42] <geckosenator> magnet: I don't think any factory makes 10.4 inch oled
[13:27:52] <geckosenator> magnet: they make 7.6 inch which is $500 sample price
[13:27:58] <magnet> sesh
[13:28:04] <geckosenator> magnet: the 4.3 inch was $100 because it's actually in full production
[13:28:06] <Kavi> jkridner: no...service pack for ccs? how to get it?
[13:28:18] <geckosenator> magnet: but they have like 1000x higher contrast than a typical lcd
[13:28:30] <jkridner> run update advisor. I believe it is under help. It will take you to a web page.
[13:28:30] <geckosenator> magnet: there are advantages besides low power
[13:28:37] <magnet> for 500 $ I hope they would clean my house too.
[13:28:50] <geckosenator> magnet: heh, I know.. there is a 15" one for $1800 or so
[13:29:21] <geckosenator> magnet: in a few years I suspect the price will be much nicer
[13:29:38] <geckosenator> magnet: it's cool they have prototypes that you can roll up like paper..
[13:29:56] <geckosenator> magnet: did you manage to drive the lcd with the beagle board?
[13:30:43] <BeagleDeveloper> Guys - I need help - I'm trying to mount an nfs. my sever works fine, but I'm getting an error when trying to mount the beagle.
[13:30:44] <magnet> I use a lvds controller ( using genesis chip ) do drive the lcd.
[13:30:48] <magnet> it has dvi input
[13:30:50] <BeagleDeveloper> I found a thread that speaks about the problem, but I can't understand it: http://groups.google.com/group/beagleboard/browse_thread/thread/4d4df25424a42f34
[13:31:08] <Ikarus> geckosenator: well, it contains lead, so you can use the old solder curves
[13:31:19] <Ikarus> geckosenator: otoh it makes it useless for me if I ever want to sell a part
[13:31:22] <geckosenator> Ikarus: ok, I just can export to the EU?
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[13:31:31] <Ikarus> geckosenator: no you can't
[13:31:34] <geckosenator> er, I can't
[13:32:00] <geckosenator> oops.. I might have already sold stuff to the EU that isn't rohs
[13:32:18] <geckosenator> not in large quantities though
[13:32:35] <geckosenator> magnet: is there a datasheet for those controllers?
[13:33:18] <magnet> I don't know, lemme check if I have it.
[13:34:09] <geckosenator> magnet: are you running the beagle off an external usb battery thing?
[13:34:16] <geckosenator> there is a white box
[13:34:29] <magnet> that a usb hub.
[13:35:00] <magnet> I'm working on replacing externals power modules by a battery.
[13:35:11] <geckosenator> ok, the beagle board isnt running then I guess
[13:35:22] <magnet> but as you guessed, I'm quite new with all that stuff. I learn new stuff every days :)
[13:35:32] <magnet> all is running.
[13:35:52] <geckosenator> I'm new to the beagle board
[13:36:27] <magnet> geckosenator: I just have to use an external power module for screen/hub/BB
[13:36:33] <geckosenator> magnet: I lived in a tent in the national forest for 3 months.. ran my laptop off batteries and solar
[13:36:47] <geckosenator> well, just solar, but had batteries for a buffer
[13:36:53] <magnet> oh lol very cool !
[13:37:05] <magnet> maybe you can advise me a bit for that battery stuff and DC converter ?
[13:37:21] <geckosenator> I had a high efficiency dc-dc converter since the laptop needed 20v
[13:37:35] <geckosenator> it uses about 20 watts idle and 40 watts under load
[13:37:53] <geckosenator> the beagle board uses about 1 watt idle and maybe 1.5 watts under load
[13:38:01] <BeagleDeveloper> guys, anyone had luck with nfs on a beagleboard?
[13:38:55] <geckosenator> magnet: I have built dc-dc converters myself.. but they typically aren't as efficient as if I buy a complete module already made so that is what I tend to do even though it costs more
[13:39:23] <geckosenator> that isn't to say you can't do it
[13:39:58] <magnet> that what I thinked too.
[13:40:16] <magnet> is there very small complete modules ?
[13:40:32] <magnet> I got a few space left, and gotta put battery + dc-dc converter.
[13:40:41] <geckosenator> yeah
[13:40:47] <geckosenator> what battery are you going to use
[13:40:49] <geckosenator> ?
[13:41:22] <magnet> I'm not sure yet. if I should buy one and take it apart, or buy the self and do it myself.
[13:42:38] <magnet> umm I mean buy the cells .
[13:42:41] <magnet> :)
[13:42:51] <geckosenator> I'm going to try running the beagle straigh off single cell lithium batteries
[13:43:13] <magnet> what's special about it ?
[13:43:26] <Kavi> jkridner: in ccs, what's the utility of .cmd files..r they essential for all types of build/debug?
[13:43:44] <jkridner> generally, they are used for linking.
[13:44:21] <Kavi> jkridner: is it must for me to include them in all builds? if so how to write the .cmd?
[13:44:27] <geckosenator> magnet: here is what I'm planning to use: http://www.sureelectronics.net/goods.php?id=425
[13:45:14] <geckosenator> magnet: 4.6 oz and should run the beagle board and lcd for at least 8 hours.. that's the plan anyway
[13:45:21] <jkridner> it is difficult to build code for stand-alone processors without .cmd files, but I don't have experience yet with building under Codec Engine.
[13:45:44] <Kavi> jkridner: it seems to limit the range memory and defines the sections...isn't it?
[13:45:57] <magnet> geckosenator: they looks very nice, that funny I wanted at least 8 hours too :)
[13:46:16] <magnet> those are very small wow
[13:46:22] <geckosenator> magnet: they are cheap enough for me at least :-P
[13:46:31] <geckosenator> magnet: you can always get more batteries too
[13:47:35] <geckosenator> I really want a buck-boost converter to run the beagle off the batteries to increase efficiency.. but it would have to be at least 90% efficient
[13:47:43] <magnet> I saw cells with like 10k maH on it
[13:47:52] <geckosenator> I found a part ti makes that is 96% efficient for this purpose, I might make a board that uses it
[13:48:02] <geckosenator> magnet: yeah, they probably are heavier
[13:48:07] <Kavi> jkridner: gel file itself defines the memory map...then why shhould we use .cmd?
[13:48:07] <jkridner> http://focus.ti.com/mcu/docs/mcutechdocs.tsp?sectionId=96&tabId=1502&techDoc=1&familyId=454&documentCategoryId=1&toolTypeId=0&toolTypeFlagId=1&viewType=0 is a bit old, but seems to have some useful docs
[13:48:16] <geckosenator> magnet: I"m trying to stay < 20oz total
[13:48:32] <jkridner> namely spraa46
[13:48:45] <jkridner> GEL only talks to the debugger, not the compiler.
[13:49:01] <jkridner> so, GEL doesn't do a thing for the compiler/linker.
[13:49:19] <magnet> geckosenator: I see, your laptop will be very small ?
[13:49:29] <magnet> mine is weigting around 25oz.
[13:49:45] <Kavi> jkridner: fine. thanks sir
[13:50:07] <geckosenator> magnet: well you have a big screen and the heavier lvds controller
[13:50:26] <magnet> hehe :p
[13:50:33] <geckosenator> magnet: are you including keyboard?
[13:50:44] <magnet> yes the keyboard is very small and light.
[13:50:47] <geckosenator> I'm including keyboard, mouse, and solar panels
[13:50:56] <geckosenator> what keyboard are you using?
[13:51:28] <magnet> a usb one, I brough on internet, I removed just the covers.
[13:51:30] <jkridner> kavi: there is a pointer in spraa46 to spru186q, which has the more complete definition of the .cmd syntax.
[13:51:41] <jkridner> kavi: it is in section 7.
[13:52:03] <geckosenator> magnet: ok, I think mine is bluetooth and folds in half, but I haven't got it yet
[13:52:17] <geckosenator> it's supposed to weigh just 2oz
[13:52:18] <magnet> http://www.gadget4all.com/prod_detail.php?prod_id=00393
[13:52:42] <magnet> I choosed not to use bluetooth, to consume less power.
[13:53:05] <geckosenator> well, that one weighs 8oz..
[13:53:28] <geckosenator> the bluetooth runs on AAA batteries which get recharged via usb which is powered via solar :-P
[13:53:38] <magnet> I may have missed with conversion, I use Kilograms instead of oz usually
[13:53:46] <geckosenator> and it is supposed to have a very long runtime of several months on a charge anyway
[13:53:54] <geckosenator> ok
[13:54:04] <Kavi> jkridner: thanks a lotz!
[13:54:06] <magnet> the whole computer weight 4 times the keyboard :)
[13:54:11] <geckosenator> well my goal is something like .7kg then
[13:54:33] <magnet> what dimension will you use ?
[13:54:43] <geckosenator> dimension?
[13:54:49] <geckosenator> are you going to have a mouse or no?
[13:55:12] <geckosenator> I will because I already build and sell my own type of mouse which is very light weight and usb
[13:55:43] <magnet> I planned to use a touchscreen. I dislike mouses.
[13:55:52] <geckosenator> well this isn't a normal mouse
[13:55:56] <magnet> I asked what will be the size of your laptop.
[13:56:04] <geckosenator> it uses the earth's magnetic field to detect movement
[13:56:16] <geckosenator> so you hold it however you want, it doesn't need a surface
[13:56:23] <magnet> oh oh.
[13:56:27] <geckosenator> the screen will be 7 or 8 inches
[13:56:42] <geckosenator> smaller than a normal laptop, but it makes it lighter and use less power
[13:57:03] <mru> geckosenator: hall effect?
[13:57:09] <geckosenator> http://www.digitalsurveyinstruments.com/pointer.php
[13:57:27] <geckosenator> mru: magneto resistor
[13:58:09] <geckosenator> I can sell functional mouse/joysticks for $100.. sorry it's expensive but I never reached mass production
[13:59:03] <magnet> nice mice :)
[13:59:20] <mru> how does it deal with the opposite magnetic field on the southern hemisphere?
[13:59:45] <geckosenator> mru: I shipped it to someone in Australia, and there was a bug that I fixed pretty quick
[14:00:10] <geckosenator> so apparently after I did that, it works pretty well down there
[14:00:47] <geckosenator> it is fun because I use the magnetic mouse to design the layout for the next rev of its own board :-P
[14:03:31] <geckosenator> ok, now I sleep
[14:04:45] <magnet> good night.
[14:05:19] <BeagleDeveloper> anyone had luck with nfs?
[14:05:47] <mru> good or bad?
[14:05:55] <mru> ;-)
[14:05:57] <magnet> BeagleDeveloper: I did not tried but it should works no ? what's your problem ?
[14:06:10] <Crofton|work> what distro are you using?
[14:06:17] <mru> nfs should work fine
[14:06:27] <Crofton|work> I have had good luck with angstrom mounting my PC
[14:06:39] <Crofton|work> I haven't tried the beagle as a server
[14:07:01] <mru> I had some trouble with flaky usb ethernet gadget mode, but that was fixed months ago
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[14:11:20] <BeagleDeveloper> magnet: I'm getting "rpcbind: server localhost not responding"
[14:11:35] <mru> did you start the portmap daemon?
[14:19:27] <simon42> restart nfs-common after you (re)started
[14:19:34] <simon42> ...portmap
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[14:29:11] <BeagleDeveloper> i'm using Angstrom kernel verision. i set host for NFS server, and trie mounting by "mount h<host_ip>:/home /mnt/home
[14:29:26] <Crofton|work> hmmm
[14:30:05] <Crofton|work> I do not have my board handy so I can't double check :(
[14:30:20] <mru> BeagleDeveloper: did you start portmap?
[14:32:54] <BeagleDeveloper> ang got he following error: "missing codepage or helper program..(for several filesystems.. you might need /sbin/nount.<type> helper program
[14:33:02] <BeagleDeveloper> how so i start portmap?
[14:33:07] <Crofton|work> urg
[14:33:47] <Crofton|work> I know what the problem is
[14:33:53] <Crofton|work> but I forget how to fix
[14:34:06] <Crofton|work> I need to check mount from recent busy box to fix ...
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[14:40:19] <BeagleDeveloper> what's busy box ?
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[14:42:38] <BeagleDeveloper> do you work with Angstorm kernel or the 2.6.22 kernel image for NFS?
[14:48:30] <Crofton|work> angstrom
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[14:52:20] <koen> interesting: http://blog.fishsoup.net/2008/11/16/git-bz-bugzilla-subcommand-for-git/
[14:54:30] <mru> the same thing for roundup would be neat
[14:55:29] <koen> there's a downside to the above thing
[14:55:41] <koen> it reads your ff3 cookie to log into bugzilla
[14:55:50] <mru> oh dear
[14:56:17] <mru> but then it was written by some gnome...
[14:56:39] <koen> mr gnome 2.0 himself
[14:58:16] <mru> imagine if all that effort (that behind the gnome project) had gone into creating something useful instead
[14:59:25] <koen> like converting ffmpeg to use autotools and libtool?
[14:59:29] * koen hides
[14:59:42] * mru fires heat-seeking missile
[15:00:35] <koen> mru: shouldn't http://git.mansr.com/?p=u-boot;a=commitdiff;h=bb16bd8393bcec1299ddbf9010741c0be7daa403 also change the text output to say "OPP3" instead of "OPP2"?
[15:00:44] <koen> or am I confusing terms again?
[15:01:02] <mru> which text?
[15:01:51] <koen> "OMAP3530-GP rev 2, CPU-OPP2 L3-165MHz"
[15:02:13] <mru> well, the OPPx also involves voltages
[15:03:05] <mru> and 600 MHz is OPP5
[15:03:15] <mru> 500 MHz is OPP3
[15:03:23] <mru> so OPP2 is wrong either way
[15:03:39] <koen> heh
[15:03:41] <BeagleDeveloper> ok it's working now
[15:03:48] <mru> and running at 600 MHz with OPP3 voltage (1.27 V) is not supported officially
[15:03:55] <BeagleDeveloper> i add -o nolock to mount command!
[15:03:58] <mru> it seems to work though
[15:04:33] <BeagleDeveloper> next step: whats the comman to load data from nand to ram?
[15:04:48] <mru> BeagleDeveloper: maybe you need to start lockd
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[15:06:51] <BeagleDeveloper> i saved my uImage and FS to NAND, now i want to copy it to RAM and run it. can i use fatload?
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[15:13:38] <mru> BeagleDeveloper: no, you should use "nand read ..."
[15:18:20] <BeagleDeveloper> ok
[15:20:40] <Vegar> how is linux support for the beagle board?
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[15:20:53] <mru> Vegar: fine
[15:21:42] <Vegar> fine but not perfect?
[15:21:51] <mru> define perfect
[15:22:09] <mru> there are things that are not complete
[15:22:26] <mru> but it's definitely usable
[15:22:38] <mru> depends on what you want to do really
[15:24:19] <Vegar> perfect: all the hardware has functional drivers
[15:24:35] <mru> define functional
[15:26:17] <Vegar> functional meaning it works as intended
[15:28:10] <wbrown> heh
[15:28:33] <wbrown> -- /bin/dash just bit me in OpenEmbedded.
[15:29:32] <koen> wbrown: yeah, the gtk folks added bashisms to their libtool script
[15:30:11] <mru> nicely done
[15:30:30] <koen> although they blame the libtool dudes, who blame the gtk dudes
[15:30:42] * mru blames all the dudes
[15:31:03] <mru> libtool dudes for creating libtool, gtk dudes for using it
[15:31:52] <wbrown> Does anyone know the current state of accelerated X11 for the Beagle Board?
[15:31:57] <Vegar> is the s-video connector supported?
[15:32:22] <koen> wbrown: what kind of accell?
[15:32:28] <wbrown> It amuses me that angstrom for the beagle board uses Enlightenment. 100MB of RAM used out of the box.
[15:32:29] <koen> wbrown: there's a XV driver
[15:32:42] <koen> wbrown: ever heard of black cache?
[15:32:55] <wbrown> I'm mostly interested in 2D, for fast SDL.
[15:33:14] <wbrown> koen: hmm, nope. (looks that up)
[15:33:14] <koen> s/black/block/
[15:33:24] <wbrown> Oh.
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[15:33:42] <koen> on my 256 mb beagle I also have like 10MB "free"
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[15:34:19] <wbrown> koen: I'm sure most of that is cache?
[15:34:51] <Vegar> you can check that with the 'free' command
[15:35:12] <kulve> depends on the "free" and "top" commands, the "top" might show it better
[15:35:21] <koen> it still works when booting with mem=48M
[15:36:15] <wbrown> by what definition of 'works'? :)
[15:36:28] <koen> it acts the same as when booting normally
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[15:37:23] <wbrown> all the way up to X.org loading?
[15:37:54] <koen> all the way up to the desktop and launching e.g. xterm
[15:38:18] <wbrown> Interesting. Does enlightenment scale down according to memory available?
[15:38:26] <koen> no
[15:38:46] <koen> linux just takes a large chunk of ram for block cache
[15:39:20] <koen> a nice test would be to run omapfbplay with varying -B values
[15:39:23] <kulve> it takes it all for disk cache, if there's no better use for it..
[15:39:35] <kulve> (and other buffers/caches, afaik)
[15:39:46] <koen> -b that is
[15:40:51] <wbrown> I'm fairly sure that it's not buffer cache, as I'd examined top and free :)
[15:41:55] <koen> and /proc/*/smaps?
[15:43:24] * wbrown grins
[15:43:46] <wbrown> I hadn't looked at that, and I don't know as X.org broke when I updated Angstrom using opkg.
[15:43:55] <wbrown> Wants libpciaccess.
[15:44:41] <koen> yeah
[15:44:43] <koen> opkg install libpciaccess0
[15:44:57] <koen> dunno why xorg dlopens() it instead of linking to it
[15:45:07] <wbrown> 0?
[15:45:12] <wbrown> rather than libpciaccess?
[15:45:28] <koen> there is no libpciaccess package
[15:45:34] <koen> debian shlib renaming and all
[15:46:00] <wbrown> That explains a lot. :P
[15:46:12] <wbrown> I was getting an unhelpful mysterious error from opkg.
[15:47:40] <wbrown> does anyone get ECC errors from the beagle board boot ROM when rebooting?
[15:48:11] <ldesnogu_> wbrown, I used to; updating xloader and uboot got rid of it
[15:49:46] <wbrown> Hmm.
[15:50:14] <wbrown> When I update the system, is uimage-2.6.26-omap1 in /boot something I have to copy to the FAT partition?
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[16:03:46] <SpaceY> How do you install ubuntu on the beagleboard?
[16:13:55] <ClaudeQC> SpaceY: Very interresting question. I am waiting for the answer too.
[16:16:05] <ClaudeQC> But, how about installing Debian, instead of Ubuntu !? Since Debian is more generic.
[16:19:12] <SpaceY> well, ive seen videos that show ubuntu with beagleboard. I just wanted to know fi there was a how-to guide for me to install it
[16:21:03] <wbrown> Angstrom is fairly nifty.
[16:22:04] <SpaceY> is there how-to install steps for angstrom distro?
[16:22:09] <wbrown> Yeah.
[16:22:37] <wbrown> http://www.angstrom-distribution.org/beagleboard-demo-image-available
[16:24:09] <SpaceY> thx
[16:26:28] <wbrown> What are you looking for, SpaceY?
[16:26:56] <Ikarus> Installing Debian on it is rather easy
[16:27:12] <Ikarus> Ubuntu is harder, mainly as they don't have a currently availible complete ARM port
[16:27:41] <wbrown> angstrom on the beagle board has a few warts, mainly because it's off the dev tree.
[16:29:55] <SpaceY> well at first i am looking for a gui solution for the beagleboard. as I saw by the link wbrown gave me Angstrom looks good.
[16:30:23] <wbrown> what do you mean by GUI?
[16:30:27] <wbrown> A desktop environment?
[16:30:30] <SpaceY> yup
[16:30:59] <SpaceY> someting i can browser on the web, write on a doc, etc
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[16:36:30] <wbrown> Hmm.
[16:36:47] <wbrown> Anyone know how to specify the version of package to install to opkg?
[16:37:11] <wbrown> i.e.
[16:37:12] <wbrown> xserver-xorg - 1:1.5.1-r1.1 - the X.Org X server
[16:37:12] <wbrown> xserver-xorg - 1:1.4.2-r9.1 - the X.Org X server
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[19:26:48] <Kavi> jkridner: how to develop the contents in the .dat file while adding the file by probe points in ccs?
[19:27:21] <jkridner> Kavi: can you provide a bit more context?
[19:27:31] <jkridner> why would you develop contents of a .dat file?
[19:27:41] <ds2> does either vfp or neon provide acceleration for sin/cos/tan?
[19:29:36] <Kavi> jkridner: that's to add the PC file to the pointed memory space. I mean how to organise the .dat file, which is the only way to use probe point capability.?
[19:31:31] <jkridner> what is a "PC file" in this context?
[19:32:26] <jkridner> so, you are trying to capture data using a probe point?
[19:32:35] <jkridner> or are you trying to insert data?
[19:32:56] <ldesnogu_> ds2, no
[19:33:25] <Kavi> jkridner: i'm trying to insert data. the sampled data of an audio song
[19:33:44] <ldesnogu_> ds2, more precisely there are no such instructions, but hopefully your libc uses VFP or NEON to compute them (this is not the case of CSL libm libraries)
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[19:35:44] <Kavi> jkridner: i'm trying to confine the sampled data in .dat file and probing that file into ccs
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[19:38:33] <Kavi> jkridner:hello, hav u found it out?
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[19:45:41] <Kavi> jkridner:please tell me whether u r aware of this thing
[19:46:18] <Kavi> jkridner:please tell me whether u r aware of this thing
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[19:48:36] <jkridner> back.
[19:48:51] <jkridner> I've used probe points in the past, but it has been a long time.
[19:49:05] <jkridner> from what I recall, the process was generally self-explanatory.
[19:49:22] <jkridner> but, that was for capturing data, not for injecting it.
[19:49:33] <jkridner> I don't recall ever trying to inject data with probe points.
[19:49:56] <Kavi> jkridner: but in a book , i read data injection by probing
[19:50:26] <jkridner> I don't doubt that it is, just that I'm not familiar with using it for that purpose.
[19:51:00] <jkridner> I'd say the best way to figure out the file format is to create a file to use as an example.
[19:51:08] <jkridner> then, you can use that as a guide.
[19:51:45] <Kavi> jkridner: please be a little bit clear
[19:51:48] <jkridner> as I recall, there was a simple small header followed by raw data.
[19:52:17] <jkridner> I mean, set a probe point to capture some known data, such as incrementing numbers, and save it to a .dat file.
[19:52:38] <jkridner> then, look at the contents of that file and fill a similarly formatted file with the data that you want to inject.
[19:53:11] <jkridner> isn't your challenge to understand the .dat file format for use in having a probe point inject the data into your application?
[19:54:05] <jkridner> I think you must know already that a probe point works by having a break point that, when reached, tells CCS to copy files into or out of the .dat file and a specific memory location.
[19:54:18] <Kavi> jkridner: if i use probe in a loop(that i'm doing for a filter), can i get the filter output in the .dat file?
[19:54:55] <jkridner> yes.
[19:55:01] <Kavi> jkridner: yah...i know the breakpoint issue here
[19:55:21] <ds2> okay, lookup trig tables it is
[19:55:58] <Kavi> jkridner: sir, then your SP11 idea worked well, i got omap3530
[19:56:10] <jkridner> ds2: have you looked in the C library sources for the implementation of trig functions?
[19:57:00] <ds2> jkridner: no, but I was hoping for single instruction trig... lookup tables will have to suffice
[19:57:29] <ds2> if there is no instructions, it will have to use one of the common approximations
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[19:59:07] <Kavi> jkridner: sir, do you have any backup files that you had built once with ccs? i hope that'll a big guide for me if u dont mind giving it to me.
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[20:00:32] <jkridner> sorry, I do not. ping BThompson.
[20:00:51] * Crofton|work (n=balister@66-207-66-26.black.dmt.ntelos.net) Quit ("Leaving")
[20:00:54] <ds2> long shot but what about acceleration for complex exponentials? =)
[20:01:26] <Kavi> BThompson: hello sir, i'm working in ccs to build mutimedia apps for my beagle
[20:03:25] <Kavi> BThompson: since this is the first time i'm coding for a cross-core platform, i need some pre-written ccs codes to guide me while coding. please do u hav any?
[20:07:44] <Kavi> BThompson: hello, r u there?
[20:08:02] * rsalveti (n=salveti@189.70.53.187) has joined #beagle
[20:08:40] <Kavi> jkridner:BThompson is not responding. please tell me an alternative
[20:09:24] <jkridner> You can ask on the mailing list or on tomorrow.
[20:09:33] <jkridner> BThompson is usually not active on weekends.
[20:10:08] <wbrown> yay. angstrom dev environment successfully bitbaked :)
[20:10:11] <wbrown> that took a while.
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[20:11:09] <Kavi> wbrown: hello, did u add anything for the angstrom with OE?
[20:11:27] <wbrown> Kavi: Add anything, how do you mean?
[20:11:58] <wbrown> Kavi: If you're trying to use OE, you need to use the Angstrom dev git tree instead.
[20:12:29] <Kavi> wbrown: did u got any new feature on arm by bitbaking the sources for any faeture?
[20:12:58] <wbrown> Kavi: Ah -- no, no new features directly. I'm using OE and bitbake to build an environment, so that I can port E-UAE to the beagle board.
[20:13:46] <wbrown> Kavi: I'd been having some problems with self-hosting compilation, and I think I may be missing dependencies.
[20:15:10] <Kavi> wbrown: could u please tell me why u r 'bitbaking an envi' though it is available as git trees?
[20:15:32] <Kavi> wbrown: sorry
[20:15:50] <Kavi> wbrown: r u trying a dev envi for angstrom?
[20:16:09] <wbrown> Kavi: I'm building a cross-compilation environment, and that's why I'm using bitbake -- to build an OE/Angstrom dev envirnment.
[20:17:17] <Kavi> wbrown: right. do u hav exp in dsp side?
[20:17:53] <wbrown> Kavi: no, not DSP development. I've a lot of experience with Unix development, as well as general cross-platform stuff.
[20:19:04] <Kavi> wbrown: do u know how to write code for cross-platforms using mailboxes?
[20:19:22] <wbrown> Kavi: mailboxes?
[20:20:20] <Kavi> wbrown: yah, the one we use for interrupting the arm and dsp alternatively while coding
[20:21:30] <wbrown> Nope, not at all.
[20:21:51] <wbrown> Though I've had experience with semaphores in terms of multi-CPU architectures.
[20:23:59] <Kavi> wbrown: nice..then do u know how to code for orthogonal functioning of the 2 cpus?
[20:24:03] * chelli (n=chelli@debian/developer/tschmidt) Quit ("IRC is just multiplayer notepad")
[20:24:17] <wbrown> I've had fun with the Parallax Propeller. :)
[20:25:27] <Kavi> wbrown: parallax propeller?
[20:25:58] <wbrown> Kavi: Small scale 8-core CPU with shared memory access. Each CPU has about 1K of RAM for machine code.
[20:26:42] <Ikarus> it's silly
[20:26:46] <Ikarus> but fun
[20:27:12] <wbrown> Yeah, you can like run the sound on one CPU, use one CPU to drive the video ...
[20:27:35] <wbrown> And the nify thing is how tight control you can have over the signal sent via the analog video.
[20:27:44] <wbrown> You can do stuff like interrupt scanlines, clocks, etc.
[20:27:51] <Kavi> wbrown: do u hav any material or any e-stuff about coding for multiple CPUs optimally,,especially between an arm and a dsp?
[20:27:51] <wbrown> All the old 8-bit tricks.
[20:27:55] <wbrown> Makes me nostalgia.
[20:28:01] <wbrown> nostalgic.
[20:28:10] <wbrown> Kavi: no, I don't. I'm completely new to the ARM thing.
[20:28:21] <Ikarus> wbrown: go hack on the PS3 and write mad assembly optimized SPU code :)
[20:28:49] <geist> fun!
[20:28:55] <Ikarus> I did some code on it that analyzes which of the SPUs is turned off on the PS3, insanely tricky, but fun
[20:29:06] <wbrown> lkarus: why? :) That does sound like fun, though.
[20:29:14] <mru> Ikarus: does it matter?
[20:29:19] <mru> or was it just for fun?
[20:29:25] <geist> oh cute. also did you see which 1.5 the hypervisor steals from you?
[20:29:57] <wbrown> y'know ...
[20:30:04] <wbrown> the beagle board would make a great amiga replacement. :)
[20:30:07] <Ikarus> mru: it allows for bus optimalisation
[20:30:19] <wbrown> I'm compiling U-EAE on it.
[20:30:40] <mru> wbrown: the beagle can probably emulate 10 amigas at the same time
[20:30:47] <mru> depends on which amiga you mean, of course
[20:31:02] <wbrown> mru: Actually, I *know* it can do the A500, no problem.
[20:31:18] <wbrown> mru: I'm more interested in seeing it it can do the A1200 with AGA.
[20:31:19] <mru> Ikarus: are the SPUs not symmetric?
[20:31:35] <mru> wbrown: remind me again what CPU the A1200 uses
[20:31:41] <mru> nothing too fancy, iirc
[20:31:44] <wbrown> mru: 68020, 12mhz.
[20:32:05] <wbrown> I think we have enough oomph in the beagle board to emulate it straight out without ARM opitimizations.
[20:32:06] <Ikarus> mru: nope, they have their own little bit of memory and communicate with the other units (including main memory interface and main CPU) via 3 busses, well, rings actually
[20:32:25] <geist> they can dma to and from main memory and each other
[20:32:28] <Ikarus> mru: makes coding for them a joy
[20:32:32] <geist> but otherwise it's essentially software controlled cache
[20:32:41] <geist> but they're crazy fast. zero wait state ram
[20:32:53] <mru> Ikarus: I knew they have their own memory, not that they had a ring topology
[20:33:36] <mru> if it's a ring, of course the position in the ring makes a difference
[20:33:46] <Ikarus> mru: the Cell has 3 rings to which connected are 8 SPUs (one disabled on the PS3), the PPC core, a memory interface and a systems interface (I/O and the like)
[20:34:01] <Ikarus> exactly
[20:34:05] <wbrown> Heh.
[20:34:08] <wbrown> My poor beagle.
[20:34:09] <wbrown> 3190 wbrown 20 0 115m 106m 500 D 5.9 87.2 2:22.50 cc1
[20:34:42] <mru> do they disable one SPU to increase chip yields or just because?
[20:34:49] <Ikarus> mru: yield
[20:35:09] <geist> if you get one from ibm or so you'll get all 8
[20:35:15] <Ikarus> exactly
[20:35:27] <geist> furthermore when you're on top of the ps3's hypervisor, it steals another 1.5 of them
[20:35:32] <geist> 1 is permanently gone, so you only see 6
[20:35:39] <Ikarus> geist: 1 actually in Linux
[20:35:46] <mru> of course many PS3s probably have 8 good SPUs
[20:35:48] <geist> and then we found experiementally that every so often another one is time sliced away from you
[20:36:07] <geist> probably in linux too, you 'see' 6, but if you trace it the spu dissapears every 5ms or so
[20:36:11] <Ikarus> geist: not in my tests, it would have shown, I am doing tight timing measurements
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[20:36:22] <geist> could be they fixed it in later firmware
[20:36:28] <geist> this was back in the 1.x days
[20:36:55] <Ikarus> mru: yup, but the one marked as bad has a laser cut job to disable it :(
[20:37:03] <geist> it meant if you were doing SPURS jobs you needed to create two groups, because the entire group gets swapped out if one of the spus is unavailable
[20:37:49] * mru has a ps3 but hasn't done any coding on it
[20:38:02] * mru doesn't like hypervisors
[20:38:52] <Ikarus> mru: it's around 10k USD for a Cell or PowerXCell (which is the Cell with double precision SPUs) from IBM
[20:39:15] * mru will stick to the beagle board
[20:39:49] <Ikarus> heh, BB is for me a toy, the Cell stuff is a bit more serious
[20:40:23] <mru> I'd do Cell programming for money
[20:40:43] <Ikarus> heh, same here
[20:41:00] <Ikarus> should be receiving the PowerXCell platform in a month or 2 (on loan :( )
[20:43:49] * wbrown cringes
[20:43:57] <wbrown> I just added a 256MB swapfile to my SD card.
[20:44:20] <Ikarus> wbrown: good way to blow a SD card
[20:44:33] <wbrown> Hence the cringe.
[20:44:44] <mru> SD cards are cheap
[20:44:59] <wbrown> Too bad there's not a second SD slot on the beagle board.
[20:45:08] <wbrown> or I'd just toss cheap 512MB SD cards at it for swap. :)
[20:45:24] <GeneralAntilles> Just turn the swapiness down a bit.
[20:45:32] <mru> there is another SD/MMC interface on the expansion header
[20:46:00] <wbrown> GeneralAntilles: Yeah, and I'll only use swapon as needed.
[20:47:58] <Filipson> and where can you buy the expansion header? in beagleboard.org too?
[20:48:19] <mru> there's nothing to buy
[20:48:39] <Filipson> you have to do it yourself i guess...?
[20:48:51] <mru> that's the idea
[20:49:13] <mru> though people have been talking of making and selling expansion boards
[20:49:43] <Filipson> that would be easier...
[20:51:34] <wbrown> On Monday, I'm ordering the cool acrylic case for the beagle board.
[20:51:45] <wbrown> Exposed logic boards are very bad if you have a cat. :)
[20:52:16] <mru> yeah, cats don't like dogs
[20:53:37] <Filipson> wher can I see that acrylic case
[20:54:16] <wbrown> Filipson: http://specialcomp.com/beagleboard/DSCN0320.JPG
[20:54:29] <wbrown> Filipson: http://specialcomp.com/beagleboard/
[20:54:30] <wbrown> $22
[20:54:30] <wbrown> :)
[20:54:38] <Filipson> thanks!
[20:55:01] <wbrown> Nifty, huh?
[20:56:03] <Filipson> yeah, they dont have anything to do with beagleboard.org
[20:56:48] <wbrown> Well, it's fine with me if other people than TI have opportunities to exploit. :)
[20:57:51] <Filipson> I was just wandering
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[21:07:22] <Vegar> wow
[21:07:30] <Vegar> shipping to europe from digikey is expensive
[21:07:54] <Filipson> how much?
[21:09:18] <Vegar> UPS World Wide Express $79.56
[21:09:27] <Vegar> Federal Express International Priority $85.13 Prepaid and Add
[21:09:49] <mru> Vegar: look for the USPS option
[21:09:58] <Filipson> pfff
[21:10:02] <mru> it should be cheap or free
[21:10:09] <Vegar> USPS?
[21:10:19] <Vegar> ah, United States Postal Service
[21:10:45] <Filipson> It's worth to look for someone to share the cost
[21:11:12] <wbrown> Yeah, it's a tiny little box.
[21:11:40] <Vegar> USPS: 1 lb. $18.00 - $32.00
[21:11:50] <Vegar> 5 lb.: $21.00 - $50.00
[21:12:17] <wbrown> Much cheaper, yeah. :)
[21:12:43] <mru> digikey should offer free shipping on orders over some amount slightly less than a beagle
[21:12:57] * mru has heard such rumours
[21:13:08] <Vegar> interesting
[21:13:09] * mru didn't get his boards from digikey
[21:13:13] <wbrown> May not apply to international shipping.
[21:13:38] <mru> the rumour had it europe was included
[21:14:14] <Vegar> hmm
[21:14:21] <adj_> FREE SHIPPING on Orders of 65 (euros) and greater.
[21:14:40] <Vegar> perhaps I should wait for revision C?
[21:15:01] <adj_> says at digikey site if i'd order beagle now to finland using fi.digikey.com
[21:15:03] <mru> Vegar: depends on what you intend to do
[21:15:26] <mru> and whether they go ahead with the 256MB version
[21:15:45] <mru> the only other major difference is the EHCI port
[21:16:04] <Ikarus> and LCD pins
[21:16:05] <Vegar> an additional USB port?
[21:16:10] <Ikarus> which is the reason why I am waiting
[21:16:10] <mru> right, lcd pins
[21:16:56] <Filipson> and it would be ready for when ?
[21:17:10] <mru> ETA Q1 2009
[21:18:15] <Filipson> sorry but I don't understand
[21:18:37] <Filipson> thats January 2009
[21:18:42] <mru> estimated time of arrival 1st quarter 2009
[21:18:50] <Filipson> ok
[21:18:54] <Vegar> January-March 2009
[21:19:35] <Vegar> I wonder if that includes unforseen delays
[21:20:08] <mru> have you heard of hofstadter's law?
[21:21:03] <Vegar> hehe
[21:21:26] <Filipson> say it
[21:21:34] <Vegar> I hadn't heard about it, but I knew it existed
[21:21:36] <mru> everything takes longer than you think, even when considering hofstadter's law
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[21:22:19] <mru> but that's really only because time is accelerating
[21:31:05] <Filipson> list
[21:34:49] <koen> mru: some digikey countries (e.g. .nl) offer(ed) free shipping for orders >???75
[21:35:04] * koen didn't get his beagle from digikey either
[21:36:22] * Vegar wonders where koen and mru got their beagles from
[21:36:34] <mru> from TI directly
[21:36:37] <mru> prototypes
[21:37:24] <koen> yeah
[21:43:24] * koen plays some pushover on the evm
[21:52:39] <Vegar> is the beagle powerful enough to playback videos in, say, DVD format?
[21:52:45] <mru> yes
[21:53:02] <Vegar> interesting
[21:53:10] <Vegar> it may be a cool thing to hook up to the TV then
[21:55:04] <koen> it can play back the 720p version of big buck bunny :)
[21:55:45] <Vegar> hehe, cool
[21:56:06] <Vegar> what about 1080i?
[21:56:32] <DaQatz> May be pushing it at that res
[21:56:47] <mru> definitely pushing it
[21:57:05] <Ikarus> no chance without DSP code
[21:57:40] <Vegar> DSP?
[21:58:04] <sakoman_> mru: saw your comment earlier about 600 Mhz working @ OPP3
[21:58:25] <sakoman_> Sadly Overo doesn't work reliably with that
[21:58:29] <Vegar> why is there no DSP code?
[21:58:36] <mru> I never said it was reliable...
[21:58:44] <sakoman_> mru: :-)
[21:58:53] <mru> I have occasional lockups I believe are caused by that
[21:59:05] <sakoman_> On overo just playing an mp3 will lock up the system
[21:59:10] <mru> replacing the power supply helped a bit
[21:59:29] * valhalla (n=valhalla@81-174-21-31.dynamic.ngi.it) Quit ("Leaving")
[21:59:30] <mru> have you tried my burn app?
[21:59:32] <sakoman_> Could be heat related on Overo
[21:59:50] <sakoman_> Since the Wi2Wi chip is sitting right next to the onmap
[21:59:58] <Ikarus> hrm, odd
[21:59:59] <sakoman_> And that sucker gets hot!
[22:00:19] <sakoman_> Anyway, 500Mhz @ OPP3 works reliably
[22:00:33] <mru> yeah, here too
[22:00:42] <sakoman_> So I'll need to put together a patch to use the right supply voltage for 600 Mhz
[22:01:12] <mru> I tried, and failed, to divine the procedure from the TI kernel
[22:01:26] <sakoman_> Hope I have better luck!
[22:01:31] <mru> is it possible for the 4030 to fry the omap?
[22:01:40] <Ikarus> sakoman_: hrm, but not 600Mhz ? odd
[22:01:40] <sakoman_> I hope not!
[22:01:46] <mru> do you have the 4030 docs?
[22:01:51] <sakoman_> yes
[22:01:57] <mru> that should help
[22:02:08] <sakoman_> They are public now
[22:02:13] <mru> really?
[22:02:26] <sakoman_> Yes (the catalog version)
[22:02:40] <mru> yeah, the tps something or other
[22:02:41] <sakoman_> I think jkridner posted a link to them recently
[22:02:47] <mru> must have missed that
[22:03:04] <sakoman_> Check the beagleboard site, I'm pretty sure the link is there
[22:03:17] <sakoman_> I need to add the link to the overo site too'
[22:03:28] <mru> setting the voltage is only a matter of poking i2c a bit
[22:03:33] <Vegar> are you saying that the CPU is unstable at 600 MHz?
[22:03:47] <mru> I'm saying it's unstable with too low voltage
[22:03:51] <mru> at any clock speed
[22:04:11] <Vegar> ah
[22:05:16] <mru> 600MHz at 500MHz voltage is stable as long as you don't use NEON
[22:05:26] <sakoman_> time to go play outside -- we're have an amazingly sunny, warm fall day -- 82F (about 28 for you C folks)
[22:05:27] <mru> and even that is fine most of the time
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[22:36:37] <wbrown> My beagle board is now emulating an Amiga 500 :)
[22:37:20] <mru> how many can it manage at once?
[22:38:00] <wbrown> With an unoptimized setup, it's consuming 57%-70% cpu.
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[22:48:21] <wbrown> awesome
[22:48:28] <wbrown> It's now emulating an a1200 with AGA :)
[22:49:02] <mru> for real awe, try playing some big buck bunny ;-)
[22:49:48] * mru fails to see the appeal in turning a new, fast computer into an old, slow one
[22:50:24] <mru> it's also possible that I just don't "get it", since I never owned an amiga
[22:51:49] <Vegar> how are you emulating it?
[22:52:26] * Vegar pokes wbrown
[22:52:34] <wbrown> E-UAE.
[22:52:41] <wbrown> Straight from sources, on Angstrom.
[22:52:52] <Vegar> cool
[22:52:52] <wbrown> mru: This is for the Open Pandora project.
[22:57:44] <Vegar> hmm
[22:58:01] <Vegar> I have a CD with hundreds of amiga roms somewhere
[22:59:36] <Vegar> would it be possible to play quake III on a beagle?
[23:01:32] <GeneralAntilles> Vegar, considering OMAP2 can swing it OK, yes.
[23:01:36] <GeneralAntilles> Once we get 3D drivers that is.
[23:03:25] <Filipson> sorry but whats amiga
[23:03:54] <Vegar> GeneralAntilles: are there no 3d drivers?
[23:04:04] <GeneralAntilles> No public ones just yet.
[23:04:17] <Vegar> ok
[23:04:18] <Vegar> any ETA?
[23:04:19] <mru> Filipson: spanish for a female friend
[23:04:46] <Filipson> :) ok just found it
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[23:32:14] <wbrown> Hmm.
[23:32:31] <wbrown> Out of the box, without any optimizaiton, the beagle board is about 88% of an Amiga 1200's 68020.
[23:33:09] <mru> surely that can be improved
[23:33:55] <wbrown> yep.
[23:34:05] <wbrown> namely, using SDL's fbdev driver rather than X11.
[23:34:24] <mru> is that what's taking the time?
[23:34:27] <wbrown> It's a real good start without any tuning or optimization.
[23:34:43] <wbrown> Sort of. The display emulation is kind of slow.
[23:34:48] <wbrown> Because it's using MITSHM.
[23:35:16] <ldesnogu_> the problem is that Amiga used several chips that have to be accurately simulated if you want to get correct image and display
[23:35:38] <wbrown> ldesnogu_: Yes, but I don't think that the MITSHM is helping. :)
[23:35:46] <ldesnogu_> like a small programmable processor tracking video
[23:35:49] <mru> mitshm itself isn't to blame
[23:36:03] <ldesnogu_> wbrown, I was explaining why an Amiga emulator is slow in general :)
[23:36:10] <wbrown> Yeah.
[23:36:17] <wbrown> There's three custom chips and a CPU to emulate.
[23:36:25] <mru> crazy things like those palette entries specifying a gradient instead of a constant colour might get tricky
[23:36:27] <wbrown> I'm just saying that out of the box, 68020 emulation is at 88% of am A1200.
[23:36:52] <wbrown> With the other chips factored in as well.
[23:43:23] <ldesnogu_> mitshm is the best way to get fast non accelerated rendering on x11 anyway
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[23:43:47] <ldesnogu_> and I don't see what could be HW accelerated in Amiga emulation :)
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[23:44:10] <mru> you could have a hardware palette overlay
[23:44:17] <mru> in fact, the omap support this
[23:45:00] <wbrown> yeah
[23:45:24] <mru> as long as you don't need those gradients...
[23:45:56] <wbrown> Heh.
[23:46:01] <wbrown> Prince of Persia AGA *almost* runs. :)
[23:46:14] <wbrown> Colonization AGA runs, but is slightly sluggish.
[23:46:15] <wbrown> Nifty.
[23:46:17] <mru> hmm... maybe you could do some trickery with *two* overlays and alpha channels...
[23:47:21] <geckosenator> you can do palette animation then
[23:47:42] <mru> normal palette animation is easy on omap
[23:47:50] <mru> since it supports normal palette modes
[23:49:35] <ldesnogu_> mru, what you call gradients is generated by the coppoer which is a programmable processor that can change any HW register including palette every 4 cycles
[23:49:46] <ldesnogu_> so HW palette is no option
[23:49:58] <mru> ugh, I only ever saw it do gradients
[23:50:09] <ldesnogu_> it can do other things :)
[23:50:14] <ldesnogu_> like programming the blitter
[23:50:29] <ldesnogu_> changing resolution on the fly
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[23:52:02] <mru> well, we have a dsp...
[23:52:32] <ldesnogu_> synchronization with the cpu emulator would be a major issue I guess
[23:53:21] <mru> the real killer is that the original graphics processors are synchronised with the raster scan
[23:53:26] <ldesnogu_> yes
[23:54:22] <wbrown> Yeah. I mean, obviously, you can do a lot of optimizations for the OMAP3.
[23:54:42] <mru> reminds me of old TV set top boxes where both pixel clock and cpu clock were driven by the MPEG clock recovered from the satellite stream
[23:54:42] <wbrown> I'm just giving a data point that E-UAE runs at 88% of an A1200, using an ANSI C emulation core.
[23:54:57] <wbrown> For the GP32/GP2X, they wrote an optimized 68000 ARM core.
[23:55:28] <ldesnogu_> and it's inaccurate
[23:55:47] <ldesnogu_> at least enough to break some demos the UAE normally runs
[23:56:05] <wbrown> yeah. the OMAP3 has a LOT of oomph. :)
[23:57:17] <ldesnogu_> anyway I think the DSP could be used
[23:57:26] <ldesnogu_> at least for sound
[23:57:34] <wbrown> ldesnogu_: indeed
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