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Altera_Forum's avatar
Altera_Forum
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15 years ago

NIOS + IRQ + custom component

Hi, I'm trying to interrupt a Nios Prosessor whit a Custom Component and setup a successful interrupt routine. But I can't Do it. The problem is that i can't find a complete example of a custo...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Dear all,

Ah I know what the problem is. Actually it was my silly mistake >.< . I missed watching some signals in the SignalTap.

Now I have another problem. In my design, whenever the interrupt occurs, as the kohagan & dsl's previous posts suggestion I read the IRQ bit, send signal (pair of write and writedata) to clear the IRQ bit. However, the signal (write) to clear the IRQ bit never comes. Are there anybody know what cause this condition? Is there something wrong with my C code that I posted before?

Thanks