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ramonf
 Post subject: External IRQ on AT91SAM9M10-EKES
PostPosted: Wed Aug 17, 2011 5:13 pm 
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Joined: Mon Aug 08, 2011 5:59 pm
Posts: 18
Hey there.
I'm trying to develop a driver which uses hardware interrupt.
I tried to use GPIO pins to achive that, but becuase I can't set the flags to IRQF_TRIGGER_FALLING, it doesn't work.

I tried to find which pin is suitable to work as an external IRQ but I didn't find any one the AT91 guides.

Can someone please share his knowledge regarding the issue ?
I'll be happy to see a sample code for declaring the external pin as a IRQ.

Regards,
Ramon.
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