[ECOS] ECOS Memory Requirements

Moussa A. Ba mba@embedded-zone.com
Thu Jun 1 18:39:00 GMT 2006


Are these high memory requirement because the code is loaded from flash 
to RAM and then executed or is it just that ECOS data structures need so 
much RAM (not that much compared to bigger processors).

Moussa

Andrew Lunn wrote:
> On Thu, Jun 01, 2006 at 12:39:34PM -0400, Moussa A. Ba wrote:
>   
>> I am porting ecos to an OKI 4061 with 128K Flash and 16K RAM.  Can this 
>> handle ecos? If so how much of that space will still remain for 
>> application code?
>>     
>
> 128K flash is O.K.
>
> 16K RAM is probably too small. I would say that 64K RAM is a
> reasonable minimum. Some things will be possible with 32K RAM. I think
> with 16K RAM you are going to have problems.
>
> Maybe take a look at the ATMEL AT91SAM7 family. There are devices with
> 256K Flash and 64K RAM with eCos support already in anoncvs. There are
> also similar devices from Philips in there LPC family.
>
>      Andrew
>   


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