Re: running contiki in 1k of RAM

I think 1K is really few.
I tried to build on 2k and I had troubles.

Regards

Il giorno mar, 08/05/2012 alle 08.50 +0100, Andrew Baxter ha scritto:
> Hi,
> 
> Can anyone tell me if it's possible to run contiki in as little as 1k of 
> RAM?
> 
> I've been working on a port for the amb8423 (an rf2500 clone with a 
> cc1100 radio). This uses an msp430f2274, which has 32k of Flash and 1k 
> of ram. So far I've got all the local stuff working (sensors, button, 
> clock, etc), and also made a start on the radio code by writing the SPI 
> macros which will hook it up to the cc1100 code I'm using (from the 
> sensilab wsn430 port).
> 
> At this point, it's using 738 bytes of RAM  (as far as I can see from 
> the memory map printed by 'nm').
> 
> When I include the cc1100_init function from cc1100.c, the ram usage 
> jumps up: 'ld' fails with this error:
> 
> /local/opt/msp430tools/bin/../lib/gcc/msp430/4.6.1/../../../../msp430/bin/ld: 
> amb8423-radio.amb8423 section `.bss' will not fit in region `ram'
> /local/opt/msp430tools/bin/../lib/gcc/msp430/4.6.1/../../../../msp430/bin/ld: 
> region `ram' overflowed by 3782 bytes
> collect2: ld returned 1 exit status
> 
> Can anyone help with this?
> 
> What we are hoping for is to be able to run contiki on the boards we are 
> using, which are based on the amb8423, with RIME networking and enough 
> RAM for a simple data collection program. If this is really not likely 
> to be possible, I guess we'll have to look for another solution, but it 
> would be good to know if anyone has any experience running contiki in 
> such small amounts of ram.
> 
> Thanks for any help,
> 
> andrew baxter
> 
> 
> 
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