VB sending serial data to PIC


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  1. #1
    Join Date
    Feb 2005
    Location
    Essex, UK
    Posts
    154

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    Thanks elektroline, your VB allowed me to compare with what i had and the reason the serial data coming back was goofed was because of one of the setting in Comm1.

    I'm still not convinced i have the PIC code right though, does this look right?

    As i say, if i send a 1 from VB nothing if i send t1 or a1 or any letter followed by 1, then the LED flashes and the command is sent back to VB.

    Code:
    include "modedefs.bas"
    
    Clear
    DEFINE OSC 20          
    DEFINE LOADER_USED 1
    ADCON1 = %00001111
    
    In      VAR PORTA.5
    Out     VAR PORTA.4
    Loop    Var Byte
    LED     VAR PORTB.1
    test    var word
    
    test = 1
    
    TRISB = %10000001       ' Set PORTB (0)INPUT (1-5)OUTPUTS
    
    Start:
       SERIN IN, N2400, [#TEST]
        IF TEST = 1 THEN 
            GOSUB FLASH
        ENDIF
    
        write 3, test
    '    IF test = 1 THEN GOSUB FLASH
        pause 500
    '    low PortB.1
        read 3, test
        SEROUT out, N2400, ["That Worked ", #test + 5] ' Senda the wording "That Worked" and a number
    GOTO Start
    
    Flash:
        For loop = 1 to 5
            LED = 1
            Pause 100
            LED = 0
            Pause 100
    Cheers,

  2. #2

    Default try this...

    Try changing your "test" variable to a byte. Then don't bother with the serial qualifier, just jump right to the data input, and do a compare.

    -----------------PICSTER--------------

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