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"Interrupt mapped to selected timer is already in use"

Kurt Jensen
Genius 5040 points

I get this message when trying to change Timer Selection from Timer1 to Timer0 in the Clock Manager Properties. 

What mapped interrupt?  Where is the conflict?

  • 0
    TI__Mastermind 18320 points

    Kurt,

    If I just create a C6748 clk test example and then change the timer selection to Timer selection, I don't get any errors.  I do see that the interrupt that is mapped changes to HWI_INT14.  If the CPU interrupt is being used by something else, then that would trigger this error.

    You should look at what else in your configuration is grabbing the interrupt that you are trying to grab for the timer.  If you can't sort this out, you should attach your configuration file to this thread and perhaps we could lend a hand.

    Dave

  • 0 in reply to David Friedland
    Genius 5040 points

    Problem was that the error was ambiguous.  I was using HWI_INT14.  I have moved it to another HWI.  Now that I understand the problem it is easy enough to fix.