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Altera_Forum's avatar
Altera_Forum
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21 years ago

Hardware vs Software interupt

Hi there, It doesn't seem clear to me how to specify wether an interupt should be hardware or software. In the Quartus Handbook it does specify "SOPC Builder generates the interrupt contro...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
20 years ago

I think you may be reading some Nios I documentation and be confused by it.

The Nios II interrupt controller does not do any sort of interrupt prioritisation - it presents a mask of which interrupt lines are active and enabled at any particular time. Software must read this mask and decide which function to call.

If you really want to use Nios I instead then sorry for the inconvenience.