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  1. - 17th November 2010, 22:26 #33
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    LEDave
    LEDave is offline Senior Member
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    I'm going to need someone to hold my hand
    Well metaphorically speaking, I was beginning to panic figuring the code out.

    So am I right in thinking that the DAT_OUT byte:

    Code:
     DAT_OUT = %10101001
    Becomes:

    Code:
     DAT_OUT = %10101011
    When SW1 is pressed.

    And

    Code:
     DAT_OUT = %10101101
    When SW2 is pressed.

    The checksum:

    Code:
    ' Build checksum of 2 data bytes
    CHK_SUM = (DAT_OUT * 2)
    Will that always be the calculated value of BYTE:

    Code:
    DAT_OUT.0[2]=~GPIO.4
    Because this is the last BYTE to be read / run in the program sequence.

    Dave
    Last edited by LEDave; - 17th November 2010 at 22:43.
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