Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

Cyclone V - Interrupt Handling

Hello, i would like to know, how I can use interrupts in conjunction with a Cyclone V. (Comparative Avalon) Do you probably have an example for me? I would like to trigger an interrupt using a b...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

Interrupt wiring is a little different in Qsys. Over on the right side of your system you should see another patch panel where you can type numbers into them. The numbers normally represents interrupt priority but in the case of the HPS they represent which interrupt bit you are connecting a perheriphals interrupt to out of the group of 32. The interrupt priority is determined by how the generic interrupt controller settings inside the HPS and not the numbers you choose in Qsys, the numbers are just determining connectivity.