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Altera_Forum
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21 years ago

PIO INTERRUPT

i configed the pio_1 of my nios II as synchronously capture,either edge,interrupt generated by edge. before i call the isr,i enable the irq of pio_1 by write the code as bellow: void* edge_cap...
Altera_Forum's avatar
Altera_Forum
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21 years ago

I didn't see a line of code that sets the PIO pins to inputs. I think that is necessary to use them for interrupts.