highaltitude.log.20080120

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[19:44] <Laurenceb> hi all
[19:44] Action: Laurenceb has compiled the kernel :D
[19:44] <Laurenceb> all the hardware is running now :P
[19:45] <Laurenceb> I'm going to use python with pyserial
[19:48] <Laurenceb> bbl
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[20:26] <jcoxon> evening all
[20:27] <jcoxon> Laurenceb, are you sure python is the best language for you to code in?
[20:33] <Laurenceb> it looks quite nice
[20:33] <Laurenceb> so I dont see any problems
[20:33] <Laurenceb> my code doesnt have to be really fast
[20:33] <Laurenceb> and pyserial looks nice
[20:35] <Laurenceb> compiling the kernel was a pain, I tried to build the crosscompiler from source
[20:35] <jcoxon> Laurenceb, is it linux?
[20:35] <Laurenceb> yes
[20:36] <jcoxon> are you developing on a linux box?
[20:36] <Laurenceb> yes
[20:36] <Laurenceb> ngw100
[20:37] <jcoxon> do you ssh into your box or compile on you big 'puter
[20:37] <Laurenceb> compile on my laptop
[20:37] <jcoxon> is there no development system for the ngw100 to make it easier?
[20:37] <Laurenceb> yes, but not for ubuntu
[20:37] <jcoxon> ?
[20:37] <jcoxon> for what?
[20:38] <Laurenceb> and for winxp it will only compile c and c++
[20:38] <jcoxon> yuk
[20:38] <jcoxon> see why it took some work
[20:38] <Laurenceb> so... for winxp there is a c and c++ ide
[20:38] <Laurenceb> the kernel is closed source
[20:38] <jcoxon> a linux kernel thats closed?
[20:38] <jcoxon> or just modules?
[20:38] <Laurenceb> unles... you use the stock avr32 kernel with extra modules
[20:39] <jcoxon> cause the kernel can't be closed - well it goes against teh GPL
[20:39] <Laurenceb> but that is only avaliable as a binary without uart support
[20:39] <Laurenceb> ok... maybe atmel have the source somewhere on their site
[20:39] <Laurenceb> but I'm not using their build now
[20:39] <jcoxon> okay
[20:40] <Laurenceb> so, I had to build the kernel myself
[20:40] <jcoxon> well they are other high level langs apart from python
[20:40] <jcoxon> perl might be better as it has a nice embedded version
[20:40] <Laurenceb> but first, I needed to find a way to compile it
[20:40] <Laurenceb> yes.. my supervisior like perl, but I dont lol
[20:41] <jcoxon> i like perl more than python
[20:41] <jcoxon> i actually like ruby best
[20:41] <jcoxon> but still haven't worked it out :-)
[20:41] <Laurenceb> I have a binary of python for avr32 :P
[20:41] <Laurenceb> so thats one factor
[20:41] <jcoxon> well go with what you have :-)
[20:42] <Laurenceb> compiling the kernel was a pain
[20:42] <Laurenceb> I couldnt get the toolchain to compile
[20:43] <Laurenceb> so I ended up managing to get a suse linux binary of the toolchain to run on my system
[20:43] <Laurenceb> but dont ask me how, i ran some weird scripts someone linked me
[20:44] <jcoxon> hmmmmm
[20:44] <jcoxon> it really shouldn't be that difficult
[20:45] <Laurenceb> its very cool how the kernel lives in flash on the board, then uboot uncompresses it to sdram :P
[20:45] <jcoxon> just need to patch the kernel source
[20:45] <jcoxon> then run:
[20:45] <jcoxon> make ARCH=avr32 CROSS_COMPILE=avr-linux- old-config
[20:46] <Laurenceb> I downloaded my kernel off avr32linux.org
[20:46] <Laurenceb> yes, thats how I did it
[20:46] <jcoxon> actually you don't need to patch the kernel
[20:47] <jcoxon> as its been included in the mainstream
[20:47] <Laurenceb> ?
[20:47] <jcoxon> avr32 stuff is in the main kernel now
[20:47] <jcoxon> from 2.6.19
[20:47] <Laurenceb> ok cool
[20:47] <jcoxon> http://avr32linux.org/twiki/bin/view/Main/LinuxKernel
[20:48] <jcoxon> right i have to do some work
[20:48] <jcoxon> but it shouldn't be that difficult
[20:48] <jcoxon> in theory
[20:48] <Laurenceb> the annoying thing is that my usb to serial adaptor only runs under windows
[20:48] <Laurenceb> i should get ssh or telnet running
[20:50] <jcoxon> really?
[20:50] <jcoxon> most usb -> serial adapters are well supported on linux
[20:51] <jcoxon> well all the ones i've ever used.
[20:51] <Laurenceb> I see
[20:51] <Laurenceb> its an isb thinkpad one
[20:51] <Laurenceb> ibm*
[20:51] <jcoxon> google it
[20:51] <Laurenceb> have done, it says its supported
[20:52] <Laurenceb> there is an driver source for it... but I dont know how to install it
[20:52] <Laurenceb> should I get a "connection sound" when its plugged in?
[20:53] <Laurenceb> not sure what the correct term for that it..
[20:53] <Laurenceb> I'll check again, and see if any more ttySx ports appear
[20:54] <jcoxon> plug it in
[20:54] <jcoxon> then do: dmesg
[20:54] <jcoxon> in the cmd line
[20:55] <Laurenceb> ok
[20:55] <Laurenceb> I'm in winxp at the moment, but I'll try it
[20:56] <Laurenceb> but I need to learn how to set the console to go via ssh or similar
[20:57] <Laurenceb> then i can use the ethernet to connect
[20:57] <jcoxon> did you build a whole image?
[20:57] <Laurenceb> yes
[20:57] <jcoxon> well basically you need to direct the console to a port
[20:57] <Laurenceb> right
[20:58] <jcoxon> oh wait, they've already done that
[20:58] <jcoxon> oops
[20:58] <jcoxon> for ethernet you need to get sshd to run on startup
[20:58] <jcoxon> some sort of script in /etc/init.d/
[20:58] <Laurenceb> ok
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[21:28] <Laurenceb__> jcoxon: If I'm running python from an sd card
[21:28] <Laurenceb__> does it have to have the same filesystem as the flash memory?
[21:29] <Laurenceb__> I'm just going from http://www.cibomahto.com/?p=82#more-82
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[21:34] <Laurenceb1> stupid network
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[00:00] --- Mon Jan 21 2008