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Re: Problem in FIQ with ecos for arm(at91sam7x)

Mervin J wrote:
> Hi,
> The main reason for using FIQ is that,
>    In Hardware, The external interrupt pin is connected to FIQ pin and
> also we want to get the interrupt within few ms.
> I succeed by handling  as GPIO Interrupt. But, While handling as
> FIQ,there is some stack overwrite issue.
> One more question is that, Whether I can redirect the FIQ to a simple C
> routine and return to the User mode without more complexity.

No

> Thanks a lot for Your suggestion in handling FIQ.
> 


-- 
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Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
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