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00:23.20 | *** topic/#elinux is Embedded Linux || http://eLinux.org/ || cross compile, uClibc, busybox, tinylogin, handhelds, post-sale linux installs ;-), etc. || free embedded linux training at http://free-electrons.com/news/news.2004-09-28/en || see prpplague about custom holly-gates jtag dongles |
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01:08.57 | jamie | I have a question about GCC and ARM-pt110... anyone available to help? |
01:09.54 | [g2] | jamie, usually ppl just ask their questions |
01:10.12 | jamie | just checking if anyone's around... |
01:10.24 | jamie | My "hello world!" program compiles and runs. |
01:10.33 | jamie | But anything more complex crashes with Illegal Instruction. |
01:10.44 | jamie | That includes programs linked with some more code, even though it's not called. |
01:10.48 | jamie | A familiar problem? |
01:11.01 | jamie | (I don't have any debugging tools on this system) |
01:11.24 | [g2] | well that's not a specific question |
01:11.24 | jamie | (And I'm guessing the gcc configuration etc.) |
01:11.33 | [g2] | like which gcc ? |
01:11.38 | [g2] | which binutils ? |
01:11.44 | jamie | I guess it's not that common then. So more specifically: |
01:11.56 | [g2] | which toolchain or how was it build ? |
01:12.13 | [g2] | are you running gcc 4 ? |
01:12.18 | jamie | binutils-2.16, gcc-3.4.4, straight plain gnu sources |
01:12.19 | [g2] | 2.95 ? |
01:12.40 | jamie | arm-unknown-linux configuration in both cases, compiling with -march=armv4t |
01:12.43 | [g2] | we use gcc-3.4.4 with OpenSlug |
01:13.09 | [g2] | how are you building the toolchain or which one are you using ? |
01:13.20 | jamie | And dietlibc-0.28 |
01:13.36 | jamie | I'm literally ./configure; make (with a few options to configure) |
01:13.57 | jamie | Not using a "packaged" toolchain |
01:14.00 | cbrake_away | jamie: what is a ARM-pt110? |
01:14.14 | [g2] | have you tried glibc or uClibc at all ? |
01:14.47 | jamie | Google for "pt110 ARM", it's a clone by PicoTurbo. And it happens to be in the Sigma Designs chip. |
01:14.53 | jamie | No, I haven't tried either of those libcs. |
01:15.22 | [g2] | have you ever run crosstool ? |
01:15.40 | jamie | I watched ptxdist explode once while it failed to run crosstool, does that count ;-) |
01:15.47 | jamie | no |
01:15.57 | [g2] | crosstool is quite nice |
01:16.17 | jamie | In the past I just built binutils, gcc and a libc... that's so straightforward I've not seen the point in another tool to call those |
01:16.44 | cbrake_away | jamie: hmm, about all I get is stuff about lawsuits -- is PicoTurbo still in business? |
01:16.49 | [g2] | well crosstool builds that stuff, it's the important patches that matter |
01:17.38 | [g2] | jamie, do you run open-embedded at all ? |
01:17.41 | jamie | cbrake_away: I don't know, but Sigma Designs certainly are in business, and their kernel reports "ARM pt110" while booting. |
01:18.31 | jamie | Having put a bit of time into ptxdist (which never really worked for me), and a lot into gentoo-embedded (which worked, after a lot of time), I'm weary of trying yet another distro. When in the past, just building binutils+gcc+libc has always worked in the most simple way |
01:19.18 | jamie | I guess a key question is: should I be avoiding any particular GCC versions? |
01:19.25 | jamie | (For ARM development) |
01:19.48 | [g2] | we use gcc 3.4.3 and 3.4.4 recently but that's armv5t |
01:19.55 | [g2] | big endian |
01:20.13 | [g2] | so I dunno that state of the v4 stuff |
01:20.42 | [g2] | I've also built some 920T stuff |
01:21.49 | jamie | Is there an easy way to ask if the CPU is big or little endian from the command prompt? |
01:21.55 | [g2] | so 3.4.4 and armv4t ? |
01:22.11 | [g2] | I think mostly everything is LE |
01:22.25 | [g2] | BE is the exception from my understanding |
01:22.37 | jamie | I'm assuming it's armv4t because of a note discovered by Goggle. I don't have any actual docs |
01:22.39 | [g2] | but the Intel IXP4xx with the NPEs usually run BE |
01:23.04 | [g2] | what do cat /proc/cpuinfo say or dmesg ? |
01:23.17 | jamie | Processor : ARM pt110 rev 0 (v4l) |
01:23.17 | jamie | BogoMIPS : 82.94 |
01:23.17 | jamie | Hardware : EM86XX |
01:23.17 | jamie | Revision : 0000 |
01:23.17 | jamie | Serial : 0000000000000000 |
01:26.31 | [g2] | how is floating point setup ? |
01:27.04 | jamie | Well, I have no idea. But my program is _really_ small, it shouldn't be touching floating point anything. |
01:27.35 | jamie | What's puzzling is that linking in an extra .o file, which isn't called, causes the program to crash. |
01:27.47 | jamie | (There's no init sections or anything in that .o file) |
01:28.10 | [g2] | well the extra .o probably causes extra libc stuff to be pulled in |
01:28.20 | jamie | It could conceivably by that me elf2flt is broken. It didn't compile out of the box; I had to update it for current binutils |
01:28.29 | [g2] | and it sounds like that dies during initialization |
01:28.35 | jamie | Yes, you're undoubtedly right. |
01:28.51 | jamie | It's impossible to tell when it dies, without some basic debugging |
01:29.08 | [g2] | actually it's probably pretty simple |
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01:29.43 | [g2] | you can use objdump to see the external symbols for that extra .o that's linked in |
01:29.57 | jamie | yeah, but that doesn't tell me when or why it's dying. |
01:30.13 | [g2] | I'd stub out half of those symbols |
01:30.49 | [g2] | then you determine which symbol(s) cause it to die |
01:31.09 | jamie | Well, right now I have a 6 line program that crashes with no extra .o so I think the problem is more basic than that. |
01:31.26 | jamie | I'm calling open() and printf(). But printf() by itself works! |
01:31.55 | [g2] | ok so open dies |
01:32.09 | jamie | No, open is fine without the printf :) |
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01:33.17 | [g2] | if open works alone and printf works alone but they don't work together then it sounds like somethings funny |
01:33.30 | jamie | yeah, verily |
01:34.00 | [g2] | so... once again... I'd use different more widely used tool chain like glibc or uClibc |
01:34.11 | jamie | it could well be that. |
01:34.28 | [g2] | secondly, I might look at the assembler output |
01:34.48 | [g2] | although... 1.5 I'd probably try to run strace on the program |
01:34.59 | [g2] | and see which function is dieing |
01:35.20 | [g2] | also... running under the debugger isn't a bad idea |
01:36.40 | jamie | Now if only I had a working strace or debugger... |
01:37.16 | [g2] | well clearly you are tool chain challenged atm |
01:37.21 | jamie | yup |
01:37.42 | [g2] | http://kegel.com/crosstool/crosstool-0.35/buildlogs/ |
01:37.42 | jamie | I'm waiting for the hardware supplier to provide tools... but I don't want to wait until their official delivery date |
01:38.01 | jamie | Yeah, I'm reading the crosstool howto. It says uclibc isn't natively supported yet |
01:38.35 | [g2] | if you want uClibc then buildroot2 is your friend |
01:40.43 | [g2] | are you fixed on 3.4.4 or will 3.4.3 work ? |
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01:47.21 | *** topic/#elinux is Embedded Linux || http://eLinux.org/ || cross compile, uClibc, busybox, tinylogin, handhelds, post-sale linux installs ;-), etc. || free embedded linux training at http://free-electrons.com/news/news.2004-09-28/en || see prpplague about custom holly-gates jtag dongles |
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02:41.58 | [g2] | jamie, Ok... my build just finished for the armv5b croostool |
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13:21.26 | prpplague | ho ho ho |
13:21.28 | prpplague | merry freakin friday |
13:21.32 | prpplague | kergoth: ping |
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13:39.29 | jamie | Is it my imagination or is www.uclinux.org down today? |
13:40.11 | prpplague | jamie: morning |
13:40.18 | prpplague | jamie: not getting it here either |
13:40.19 | jamie | hello! |
13:40.33 | jamie | 'twas down 12 hours ago too |
13:41.30 | prpplague | jamie: bummer |
13:41.34 | jamie | I'm having weird crashingness on my sigma designs device that I thought I'd try some pre-built tools and libc. |
13:43.08 | prpplague | ~lart jamie for using sigma devices and their attitude towards the GPL |
13:43.55 | prpplague | jamie: http://testing.lkml.org/slashdot.php?mid=331690 |
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13:45.26 | jamie | ibot: I'm with you on that. I *hate* the lack of info I'm getting from sigma, not to mention that I'm firmly on the free software side philosophically. |
13:46.17 | prpplague | jamie: hehe, CosmicPenguin did some work with one of their ref boards when he was working at censoft |
13:46.19 | jamie | It's even worse because I'm not dealing with sigma, I'm dealing with a taiwanese intermediary who are writing an SDK around sigma's SDK for me. |
13:46.34 | jamie | And *they* say they're having trouble due to lack of information! |
13:46.34 | prpplague | jamie: ug |
13:46.46 | jamie | (sigma didn't return our calls, see....) |
13:47.25 | jamie | The sad thing is, it's easily the best chip we've found for a video player that'll do what we want. |
13:47.53 | jamie | We haven't found realistic alternatives, in fact. |
13:48.22 | jamie | So I'm very happy with the electronics as such. But the sw support does indeed suck. |
13:49.12 | prpplague | jamie: yea, i heard good things about the hardware |
13:49.19 | prpplague | jamie: almost ordered a board myself |
13:49.33 | prpplague | jamie: wanted to do a nice little custom vid player |
13:49.55 | jamie | In HDTV tests it exceeds their stated specifications. Looks nice :) |
13:50.05 | prpplague | jamie: cool |
13:50.25 | prpplague | jamie: might want to ping CosmicPenguin, he might be able to help you since he worked directly with sigma |
13:50.54 | jamie | CosmicPenguin: are you there? ping CosmicPenguin... |
13:51.22 | prpplague | jamie: he's in CO, USA, so i don't suspect he will be in for another hour or so |
13:51.47 | jamie | Excellent, one of the few USA places I spent a while in. |
13:59.05 | kergoth | prpplague: pong |
13:59.22 | prpplague | kergoth: are you alive? |
13:59.30 | prpplague | kergoth: haven't heard from you in awhile |
13:59.50 | prpplague | kergoth: was wondering if you shaved your head and join the hara krishnas |
14:07.24 | kergoth | prpplague: hehe. finally got the furniture from the movers. getting unpacked. settled in at the townhouse. now need to find some cash flow |
14:08.49 | prpplague | kergoth: ahh |
14:09.10 | prpplague | kergoth: you can always infect some local companies with viri and then charge to clean it up |
14:11.55 | kergoth | prpplague: who needs to infect them? just wait for their windows networks to get infected on their own :P |
14:12.17 | prpplague | kergoth: hehe |
14:12.30 | prpplague | kergoth: how things overall, everything ok? |
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14:12.56 | prpplague | kergoth: seems like leaving TI would be a little rough |
14:35.16 | CosmicPenguin | yo? |
14:37.42 | jamie | hello CosmicPenguin |
14:37.44 | jamie | good morning |
14:38.46 | jamie | prpplague tells me you may be able to help. I'm working with a Sigma Designs EM8621L, and I'm watching my programs sometimes work, sometimes crash oddly. |
14:39.05 | jamie | IT doesn't help that I have no SD SDK, no documentation, etc. so all based on guesswork. |
14:39.14 | jamie | Which is where I'm wondering if you might be able to help :) |
14:41.36 | CosmicPenguin | I can definately tell you that working with Sigma code sucks rocks |
14:42.32 | jamie | Does it use standard uclinux tools (gcc, binutils, elf2flt, which libc?) or do they patch them? |
14:43.14 | jamie | Because I'm using standard gcc, binutils, elf2flt and dietlibc, and very simple programs run on it, but more complex ones crash. |
14:43.50 | CosmicPenguin | I'm not sure - I never used the newer DSP cores |
14:43.58 | CosmicPenguin | the last one I used was a 74 something something |
14:44.07 | CosmicPenguin | Its been a couple of years |
14:44.23 | jamie | Ah, that is quite a long time ago. Was it an ARM back than? |
14:45.30 | CosmicPenguin | Oh, no |
14:45.33 | CosmicPenguin | just a little ol' asic |
14:45.45 | jamie | ok, looks like I'm on my own then. |
14:46.19 | CosmicPenguin | soryr |
14:52.06 | CosmicPenguin | Don't you hate it when you go out of your way and create something really nice, and people don't care |
14:52.21 | CosmicPenguin | but you get all sorts of praise when you just do your job? |
14:53.57 | jamie | I hate it when what I create doesn't make me any money, too. The trick is to create something other people want in both cases :) |
14:54.36 | prpplague | CosmicPenguin: yea, i had that problem at abcs |
14:54.42 | jamie | (Actually i don't really hate that... else I wouldn't spend 90% of my time doing it!) |
14:55.21 | CosmicPenguin | Last year, I basically dragged this company into the 21st century and introduced them to the concept of build systems |
14:55.34 | CosmicPenguin | So now, all of our products are built internally on the opterons - thats a huge deal for these guys |
14:55.42 | jamie | I found it's worse when you create something that people do care about, you get praise for it, then you get made redundant anyway... |
14:55.48 | CosmicPenguin | So, I get my performance review, and it says "did build system - meets expectations" |
14:55.59 | CosmicPenguin | Yet, I got a exceeds expetations on "driver development" |
14:56.09 | jamie | The word is "expectation management" :) |
14:56.33 | CosmicPenguin | I say, you should *never* get more then meets exceptations on anything having to do with your announced job requirements |
14:57.15 | CosmicPenguin | Of course I wrote a driver- thats my fsckin' job! |
14:57.22 | CosmicPenguin | bah |
14:57.32 | CosmicPenguin | speaking of which - MMC awaits |
14:57.57 | jamie | I guess you were better at writing drivers than they expected :) |
14:58.11 | prpplague | CosmicPenguin: mmc? |
14:58.13 | CosmicPenguin | Maybe its just me, but thats insulting |
14:58.17 | prpplague | CosmicPenguin: what are doing with mmc? |
14:58.25 | CosmicPenguin | prpplague: MMC/SD/SDIO |
14:58.31 | CosmicPenguin | prpplague: alchemy |
14:58.34 | jamie | Some people "write a driver in 2 weeks" instead of the 6 months that the other guy quoted. |
14:58.43 | prpplague | CosmicPenguin: hmm what type of controler? |
14:58.52 | CosmicPenguin | prpplague: its on silicon |
14:59.01 | jamie | AMD alchemy? |
14:59.06 | prpplague | CosmicPenguin: custom? |
15:03.34 | CosmicPenguin | prpplague: standard operating procedure - its a SOC, so everything is in the core |
15:04.14 | CosmicPenguin | It may or may not be our IP, but it still needs its own driver |
15:04.53 | prpplague | CosmicPenguin: hehe, yea was just wondering if it was a module similiar to primecell's for arm |
15:05.52 | CosmicPenguin | nah |
15:07.24 | CosmicPenguin | again, /me hugs the dma engine |
15:07.36 | CosmicPenguin | I love this thing - I don't want to go back to x86 - you can't make me! |
15:07.44 | prpplague | hehe |
15:17.47 | CosmicPenguin | The au1200 dma engine has 31 individual descriptors available to it |
15:19.15 | prpplague | wow |
15:23.55 | chouimat | morning |
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18:38.42 | CosmicPenguin | heh - these mmc drivers have been very crossbred |
18:39.05 | CosmicPenguin | My driver has no less then 5 different copyright notices |
18:40.07 | prpplague | CosmicPenguin: how ya coming with that? |
18:40.18 | prpplague | CosmicPenguin: you working with 2.6? |
18:40.48 | prpplague | CosmicPenguin: i've got to add fat support to my mmc/sd code in blob |
18:40.54 | prpplague | CosmicPenguin: haven't had time |
18:41.56 | CosmicPenguin | Yeah, I'm doing 2.6 |
18:42.19 | CosmicPenguin | I've had to pull lots of these values straight out of my ass |
18:43.26 | CosmicPenguin | But hey, its either this or code coverage |
18:43.33 | CosmicPenguin | And i would much rather do this |
18:44.23 | prpplague | hehe yea |
18:44.37 | prpplague | CosmicPenguin: so you got permission to do some alchemy work? |
18:44.53 | CosmicPenguin | yeah, they needed a hand |
18:45.39 | sorphin | looks like the penguin is still in the game ;) |
18:45.49 | prpplague | sorphin: ? |
18:46.04 | sorphin | prpplague: that he's not gonna get axed |
18:46.09 | prpplague | oh |
18:46.20 | CosmicPenguin | heh - no, I fixed that fubar - now they think I'm a genius |
18:46.26 | sorphin | prpplague: www.churchsigngenerator.com |
18:46.26 | prpplague | naw, they'll use him and through him away |
18:46.37 | sorphin | CosmicPenguin: ah |
18:48.20 | prpplague | sorphin: i wondered where they got those from |
18:50.20 | prpplague | CosmicPenguin: so you fixed the big customer issue? |
18:51.45 | CosmicPenguin | yeah |
18:51.50 | prpplague | cool |
18:52.07 | prpplague | CosmicPenguin: bet the boss lady was happy |
18:52.37 | CosmicPenguin | meh - she doesn't understand when I do good things or bad things at work |
18:52.51 | prpplague | CosmicPenguin: yea i have that problem as well |
18:53.19 | prpplague | CosmicPenguin: when i try to talk about such things mine and her family just get this glossy eyed look |
18:54.11 | prpplague | i didn't sleep well last night |
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19:13.40 | Genesis | bonsoir |
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19:27.03 | sorphin | GPSFan_: re |
19:27.19 | sorphin | prpplague: and here's one especially for you... george.says-it.com |
19:30.26 | T0mW | what a bunch of losers |
19:30.50 | T0mW | prpplague: the Sicom people had me give them SSH access through the firewall so they can admin the POS registers. |
19:31.07 | CosmicPenguin | I can't believe I'm going camping today |
19:31.11 | T0mW | prpplague: now they want to me to give them access to port 80 of the registers throught the firewall. |
19:31.13 | CosmicPenguin | http://www.crh.noaa.gov/radar/latest/DS.p19r0/si.kftg.shtml |
19:31.26 | T0mW | prpplague: not port 443, port 80! |
19:31.33 | prpplague | T0mW: jeeze |
19:31.53 | prpplague | CosmicPenguin: hehe |
19:31.54 | T0mW | prpplague: at the very least, they can port forward via ssh |
19:32.34 | prpplague | sorphin: i much pref this one http://john.says-it.com/ |
19:32.35 | T0mW | prpplague: if, if they setup their webpages with relative address, and if, they put a "listen 127.0.0.1:80" statement into httpd.conf |
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19:43.13 | cbrake_away | any opinions on the best bootloader for the au1550? |
19:45.34 | George | sorphin: george.says-it.com? |
19:46.37 | CosmicPenguin | cbrake: yamon not doin' it for you? |
19:47.14 | prpplague | CosmicPenguin: you like yamon? |
19:47.31 | CosmicPenguin | prpplague: meh - I've been spoiled with blob and the Ipaq loader |
19:47.37 | CosmicPenguin | everything else seems strange to me now |
19:48.05 | CosmicPenguin | But there's notthing really wrong with yamon - I like that it can tftp - much faster |
19:48.11 | CosmicPenguin | but I don't like that serial transfer is only ascii |
19:48.33 | CosmicPenguin | And it would be nice if it understood MTD partitions |
19:49.29 | prpplague | CosmicPenguin: yea, blob rocks |
19:49.52 | prpplague | CosmicPenguin: apex is coming along, but i really like blob |
19:50.00 | prpplague | CosmicPenguin: although its suffering from bitrot |
19:50.42 | CosmicPenguin | I wish I could get kgdb working on this alchemy board |
19:51.03 | prpplague | CosmicPenguin: yea, that helps |
19:51.30 | cbrake | CosmicPenguin: have not looked at yamon yet -- is that what AMD supplies? |
19:51.41 | CosmicPenguin | cbrake: I believe so |
19:51.51 | CosmicPenguin | cbrake: its on all of my dev platforms, so |
19:52.02 | sorphin | George: as in our "president" |
19:52.13 | sorphin | another sign generator type page |
19:52.37 | George | sorphin: flooble |
19:53.44 | CosmicPenguin | Ok - lets watch this baby explode |
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19:57.08 | CosmicPenguin | wow - nothing happened |
19:57.09 | CosmicPenguin | thats scary |
19:57.23 | CosmicPenguin | I always screw up drivers on the first shot |
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19:59.11 | *** topic/#elinux is Embedded Linux || http://eLinux.org/ || cross compile, uClibc, busybox, tinylogin, handhelds, post-sale linux installs ;-), etc. || free embedded linux training at http://free-electrons.com/news/news.2004-09-28/en || see prpplague about custom holly-gates jtag dongles |
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20:13.13 | *** topic/#elinux is Embedded Linux || http://eLinux.org/ || cross compile, uClibc, busybox, tinylogin, handhelds, post-sale linux installs ;-), etc. || free embedded linux training at http://free-electrons.com/news/news.2004-09-28/en || see prpplague about custom holly-gates jtag dongles |
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20:30.43 | *** topic/#elinux is Embedded Linux || http://eLinux.org/ || cross compile, uClibc, busybox, tinylogin, handhelds, post-sale linux installs ;-), etc. || free embedded linux training at http://free-electrons.com/news/news.2004-09-28/en || see prpplague about custom holly-gates jtag dongles |
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21:01.16 | Genesis | bonne nuit |
21:02.54 | prpplague | CP|Weekend: later |
21:03.05 | chouimat | hi prpplague |
21:03.37 | prpplague | lo |
21:08.28 | T0mW | prpplague: now that you've done all the work... |
21:08.51 | T0mW | prpplague: I was thinking of getting the LCD runing on the LH79520 I have here |
21:13.39 | prpplague | T0mW: hehe |
21:14.19 | chouimat|pub | +s |
21:14.46 | prpplague | T0mW: yea, i was just looking for some cheap lcd's to try with the lh79520 |
21:15.51 | prpplague | T0mW: i was thinking about trying my juicebox lcd |
21:21.47 | T0mW | prpplague: I've a 640x480 color STN, with touch screen, that I got from EarthLCD.com for $100 a while ago |
21:22.31 | T0mW | I think it is 4K color or something like that |
21:23.34 | T0mW | prpplague: I've got the interface wired, the only thing I need is the VCON + PWR_ENABLE circuit and it should work, I hope. :P |
21:24.19 | T0mW | first things first, get a dev box configured, then work on the JTAG BSDL for the openwince JTAG tool |
21:25.24 | prpplague | T0mW: which one? |
21:25.50 | prpplague | T0mW: which lcd from earth i mean |
21:26.14 | prpplague | T0mW: that the one they were selling for interfacing to the marmalade? |
21:30.49 | prpplague | T0mW: i was thinking about getting a couple of these http://www.allelectronics.com/cgi-bin/category.cgi?category=365&item=LCD-92&type=store |
21:31.12 | prpplague | T0mW: based on the spec i've read, shouldn't be a problem using it with the pl110 controler |
21:36.48 | T0mW | prpplague: it shouldn't be a problem, I guess if you done one Monochrome STN, then you've done them all? heh |
21:40.17 | prpplague | T0mW: yea |
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22:58.55 | *** topic/#elinux is Embedded Linux || http://eLinux.org/ || cross compile, uClibc, busybox, tinylogin, handhelds, post-sale linux installs ;-), etc. || free embedded linux training at http://free-electrons.com/news/news.2004-09-28/en || see prpplague about custom holly-gates jtag dongles |
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