[ECOS] Problem in FIQ with ecos for arm(at91sam7x)
Gary Thomas
gary@mlbassoc.com
Wed Jun 10 13:41:00 GMT 2009
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.
>
--
------------------------------------------------------------
Gary Thomas | Consulting for the
MLB Associates | Embedded world
------------------------------------------------------------
--
Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss
More information about the Ecos-discuss
mailing list