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Altera_Forum
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13 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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13 years ago

Hi,

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isn't interrupt mask register select enabled when the "Generate IRQ" is check in the QSYS?

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In general, you must prepare functions to set and reset the bits of interrupt mask register in your driver, because let the kernel make it enable or disable. And you can also observe the status of interrupt mask register bits by your Signal Tap II.

Kazu