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How to make interrupts higher priority?

Fulano de Tal
Expert 2090 points

I have CLA code running in parallel to CPU core, and once a CLA task is done it triggers CLAINTx (group 11) on the CPU, and in the background I'm handling SCI (group 9).  In my application, I need the CLA interrupt to be higher priority so it can pre-empt anything the SCI does in group 9 ISRs.  Is there a way to do this?