Re: [crisos] GPIO and Interrupt

[Mike Lawson <crisos@xxxxxxxxx>]

Hi Claudio,

Thanks for your response and suggestion. I'll check that out end will let the 
list know my findings.

Best regards,
Mike


Claudio wrote:
> Hi Mike
>
> 2008/9/8 Mike Lawson <crisos@xxxxxxxxx>:
> > Hi all,
> >
> > I use the Foxboard (FoxGM) with the alpha firmware for a project at school.
> > Is
> > there a possibility to monitor the button press (or any GPIO ports/pins
> > configured as digital input) without polling it?
>
> your question is really an interest one.
> Looking  inside foxbone syscall
> (http://svnweb.tuxfamily.org/filedetails.php?repname=crisos/svn&path=%2Ftrunk%2Ftarget%2Flinux%2Fetrax%2Fpatches-2.6.19%2F500-foxbone_syscall.patch&rev=57&sc=0)
> there are some interrupt related stuff, investigate into it a bit you
> can see a call to request_irq documented here:
> http://www.silicontao.com/ProgrammingGuide/GNU_function_list/request_irq.html
>
> Should be pretty to see some example code who use IRQ on foxboard!
> Please let us know your experience
>
> > At the moment I do the following
> CUT
> > Any better solution is highly appreciated!
> > Thanks a lot and best regards,
> >
> > Mike


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