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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

Those warnings are rather strange. The first seems to say you didn't declare any signal in the irq interfare. Don't you have at least an irq signal? The second one seems to indicate that your irq interface is an Avalon master rather than an interrupt sender.

For the two others, your data bus should really be with a size that is a multiple of 8, even if you read/write only one bit.