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UCD3138 and Interrupts

Gerhard Kreuzer
Expert 2600 points

Hi,

there were some sources for Interrupts, different timers, faults ... but only one Interrupt Routine, Standard_interrupt.c. So have I to test all the possible sources to find out, which Interrupt takes place and calls Standard_interrupt, or is there a smarter way?

I never get the 'fast interrupt' running. Any help out there?

By the way, still waiting for sources (since 11.9)

With best regards

Gerhard

  • 0
    TI__Genius 17090 points

    Gerhard, you can use the INTREQ register in the CimRegs to see which peripheral(s) have active interrupts.  The FIQIVEQ and IRQIVEC registers will give you a number for the highest priority interrupt which you can use to make a vector jump.  The priority is hard-wired, so it only works if your system priority matches what the CIM is set for. Otherwise you have to read INTREQ and test bits. 

    Happy Debugging,

    Ian Bower