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Altera_Forum
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12 years ago

uclinux PIO device driver interrupt handler not execute

Hi, Thanks in advance for any help I can get. I have a NIOS2 w/MMU running uClinux v3.7. It's a DE2-115 development kit with Cyclone IV FPGA. I use the PIO megafunction to monitor input rising ...
Altera_Forum's avatar
Altera_Forum
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12 years ago

Hi,

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All seem correct and compile, but the handler function doesn't seem like it was executed when I generate a pulse signal to the SMA.

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At first, please check whether the interrupt signal (irq No.2 in this case?) is asserted or not. This check is easily done by using your Signal Tap II.

Kazu