18F1220 and DT Instant Interrupts

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  1. - 30th June 2008, 03:58 #2
    Darrel Taylor's Avatar
    Darrel Taylor
    Darrel Taylor is offline Fanatical Contributor
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    It could be the ...

    INTCON3 = %01011011

    Which enables both INT1 and INT2, and SET's their Interrupt flags.

    But since there aren't any handlers for those interrupts, the IF bit never gets reset, and the system locks up on Un-Handled interrupts.

    hth,

    ADDED: DT_INTS handles ALL the enable, priority and interrupt flag bits. There's no need to set them manually.
    Last edited by Darrel Taylor; - 30th June 2008 at 04:06. Reason: added:
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