PIC's ports individual bits manipulation - how to?

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  1. - 25th February 2007, 20:53 #9
    flotulopex's Avatar
    flotulopex
    flotulopex is offline Senior Member
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    Default must be tricky

    I've attached two pictures about what I can see.

    The first picture "Before Loop Start" shows that my PORTA.0 to 3 are set to "1". This is because I need them to be at this state before the main loop starts (driving CA Leds).

    I did the same for PORTA.6 (=1) just for testing purpose. PORTA.6 will be used for something else in my program if I can handle the actual problem.

    When I start the execution of the program, PORTA.6 goes to "0" witch is unwanted here.

    Mister_E you're right, using DCD will modify all ports.... Was not a good idea on my side. Thank you for making me aware.
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    Roger
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