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Altera_Forum's avatar
Altera_Forum
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13 years ago

Generate IRQ by Level

Hi all, I have the following configuration with the following problem. In Qsys i have a 1 bit Input (INPUTPIO) which should generate an Interrupt by Level. This is my C code: static vo...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Your irq handler, I mean isr_signal(), must provide some mean of resetting the interrupt signal level, otherwise the irq would keep on retriggering.

Then, your program would get stuck into isr_signal function as long as the PIO input is asserted.

Moreover, check if 'adress' is a valid pointer.