Help with Pic Delay Pulse code please


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  1. #1
    Join Date
    Oct 2007
    Posts
    35


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    Hi Melanie

    Thanks for your reply,

    Yes my led blinks ok.

    Cheers
    Dave...

  2. #2
    Join Date
    Oct 2007
    Posts
    35


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    Hi Melanie

    Just an addon to the above test, which worked fine,,,

    Last year you very kindly drafted me a piece of code for a project that has been working flawlessly,

    I am having problems adding an led command to it, if I add an low led command to it, it locks up when its triggered.

    Any ideas,

    Cheers
    Dave..

    'G7JIQ MICRO LINK REPEATER
    'PIC 12F675
    'Internal RC clock
    '
    ' PIC Defines
    ' -----------
    @ DEVICE pic12F675, INTRC_OSC_NOCLKOUT
    ' System Clock Options (Internal)
    @ DEVICE pic12F675, WDT_ON
    ' Watchdog Timer
    @ DEVICE pic12F675, PWRT_ON
    ' Power-On Timer
    @ DEVICE pic12F675, MCLR_OFF
    ' Master Clear Options (Internal)
    @ DEVICE pic12F675, BOD_ON
    ' Brown-Out Detect
    @ DEVICE pic12F675, CPD_OFF
    ' Data Memory Code Protect
    @ DEVICE pic12F675, PROTECT_OFF
    ' Program Code Protection

    '
    ' Define Hardware
    ' ---------------
    InputTrigger var GPIO.5 ' Input normally HIGH, goes LOW to Trigger
    InputReset var GPIO.2 ' Input normally HIGH, goes LOW to RESET
    OutputLine var GPIO.0 ' Normally HIGH, goes LOW when triggered
    Led var GPIO.1
    '
    ' Define Variables
    ' ----------------
    DelayTick var Byte ' 100mS Tick Counter

    '
    ' Initialise PIC
    ' --------------
    Reset:
    TRISIO=%00100100 ' Preset I/O
    CMCON=%00000111 ' Disable Comparators
    ANSEL=%00000000 ' Disable ADC
    DelayTick=0 ' Reset Counter
    high OutputLine ' Everything RESET
    pause 2000

    ' Main Program Loop
    ' -----------------
    Loop:
    '
    ' Test for RESET
    ' --------------
    While InputReset=0 ' Just wait here if RESET
    DelayTick=0 ' Reset Counter
    high OutputLine ' Reset Output
    Wend
    '
    ' Test for Trigger
    ' ----------------
    If InputTrigger=0 then ' Test for Trigger
    low OutputLine ' Enable Output
    DelayTick=1 ' Arm Counter
    'Goto Loop
    endif
    '
    ' Timeout Counter
    ' ---------------
    If DelayTick>0 then
    DelayTick=DelayTick+1 ' Count Time
    Pause 60 ' Waste 100mS
    If DelayTick>50 then goto Reset
    ' 50 = 5 sec
    ' 100 = 10 sec
    ' origanly set at 201 Reset at 20 Seconds
    endif
    Goto Loop

    '
    End

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