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Altera_Forum's avatar
Altera_Forum
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19 years ago

Setup an IRQ on a component

Hi , I made a "counter" component which I want to interrupt NIOS when reaching 8'h7. I also created a control register in which is bit IRDY (Interrupt Ready) I have 2 questions fo...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

I don't really know what this setting is used for, but I always associate the interrupt sender to the MM interface used to clear the IRQ bit too, and never ran into any problem.

Your problem has probably another explanation. You could use SignalTap to check the status of you IRQ, see if it raised and check that it is properly cleared by the interrupt handler.