Re: [avr-gcc-list] problems on linux

[E. Weddington]

Kitts wrote:

> Hi All,
>
> Does anybody here use FreeRTOS with the AVR?
>
> Well! With FreeRTOS, i tried running the demo application making 
> suitable modifications for use with the atmega16 but it was unable to 
> handle the number of tasks. I then reduced the tasks and it worked 
> fine.
>
> I did all of the compilation and programming on linux and avrdude with 
> the stk500v2 protocol. I put up the issue with the number of tasks on 
> the FreeRTOS forum and to my surprise, others on the forum were able to 
> run the demo as is with all of the tasks executing!
>  
On Linux? Or on Windows?

> I then tried compiling for the mega128 and nothing would work! I then 
> thought i needed to debug on a simulator and discovered that "make 
> coff" or "make extcoff" returned errors. Now the interesting part is 
> that all of what i tried work fine when using Winavr on windows.
>  
The ELF to COFF convertor is only available on WinAVR as it is only used 
by Atmel's AVR Studio which is a Windows-only program. For debugging on 
Linux, use GDB + simulavr.

> Does anybody have a clue of what could be the problem? I seek your 
> advice!
>  

Not offhand. Probably the FreeRTOS folks would have to take a look at 
what's going on.
Also, are you making sure that the version of AVR GCC (and other 
programs) are the same on Linux and Windows?

Eric