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Altera_Forum's avatar
Altera_Forum
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15 years ago

IRQ not detected from C program.

Hello I wrote a simple program to start learning IRQ programming. I created a simple SOPC custom component (called simper_irq). This is the HDL: pastebin.com/9fyfZQtL Also, I create...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

You shouldn't cast your function pointer to the interrupt handler and it should be with the correct prototype: 

void simpler_interrupts(void *context, alt_u32 id);

As flyinghigh says, you should also include the alt_irq.h file to get the correct declaration for the register function.

Check also the code returned by alt_irq_register()