Confused by "on Interrupt"


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  1. #1
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    That was nice of you to do that Joe.

    I think Darrel may have fixed that in his new version of interrupts. It is v1.00. You can find it at the bottom of this page:
    http://darreltaylor.com/DT_INTS-14/intro2.html

    It says it has GPC_INT -- GPIO Int On Change , among a bunch of other additions. But I have not played much with the DT-INTS-14 ... yet.

  2. #2
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    Quote Originally Posted by scalerobotics View Post
    That was nice of you to do that Joe.

    I think Darrel may have fixed that in his new version of interrupts. It is v1.00. You can find it at the bottom of this page:
    http://darreltaylor.com/DT_INTS-14/intro2.html

    It says it has GPC_INT -- GPIO Int On Change , among a bunch of other additions. But I have not played much with the DT-INTS-14 ... yet.
    Thanks, I was still using ver .93, I will download the newer ver now. I am curious to see what I missed in my attempt. I got the defines and the ifdefs but couldn't figure out the flag handler.
    EDIT:
    Well Darrel's been busy ! Added GPIO and PortA interrupts too and it looks like a whole lot more. <font color=red>Thanks Darrel !,</font color>
    So using DT_INTS-14.bas ver 1.0
    Code:
    @ __config _INTRC_OSC_NOCLKOUT & _WDT_ON & _MCLRE_OFF & _CP_OFF
    DEFINE OSC 4
    Include "DT_INTS-14.bas"
    
    CMCON0 = 7             ' comparator pins configured as I/O
    ANSEL  = 0             ' all I/O as digital
    OSCCON = %01100000     ' 96 decimal 
    GPIO   = %00000000
    TRISIO = %00001000     ' GPIO Input all others as Outputs
    Option_Reg = %01000000 ' Interrupt on rising edge  INTEDG bit
    IOC = %00001000     ' Enable interrupt on change gpio.3
    i var byte
    Mainloop:
    ASM
    INT_LIST  macro        ; IntSource,  Label,             Type, ResetFlag?
            INT_Handler    GPC_INT,       _Do_This,   ASM,  no 
        endm
        INT_CREATE                   ; Creates the interrupt processor
    ENDASM
    
    @   INT_ENABLE   GPC_INT           ; enable external (INT) interrupts
    
    
    
    for i = 0 to 9
    GPIO.0 = 1
    pause 500
    gpio.0 = 0
    pause 500
    next i
    gpio = 0
    
    Goto Mainloop
    
    
    
    end
    
    Do_This:
    gpio.1 = 1
    
    goto mainloop
    Do not forget to open DT_INTS and uncomment these 2 lines
    Code:
    wsave   VAR BYTE    $20     SYSTEM      ' location for W if in bank0
    wsave1  VAR BYTE    $A0     SYSTEM      ' location for W if in bank1
    Last edited by Archangel; - 13th January 2010 at 07:17.
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  3. #3


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    Thanks that looks good.

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