problem External interrupt RB0/INT in pic16f877

[sanaprog]

int run=0;

void interrupt(void){
INTCON.INTF = 0;
portd=~portd;


}

void main()
{
TRISB = 0x01;
PORTB=0;
TRISd = 0x00;
portd=0x3f;


INTCON.GIE = 1;
INTCON.INTE = 1;
intcon.intf=0;
INTCON.PEIE = 0;
OPTION_REG.INTEDG = 1;

do
{

}while(1);

}

can anyone tell me what is the wrong with this code...interrupt occurs but it returns to 0 if interrupt not given within few seconds....

 

[bigdogguru]

Re: prolem External interrupt RB0/INT in pic16f877

What compiler are you using? And did you disable the watchdog timer in your configuration bit settings?

BigDog

 

[sanaprog]

Re: prolem External interrupt RB0/INT in pic16f877

THANKS for the reply...i am using mikro-c8....n how 2 set wdt off in mikro C...??in mPLAB i know its just ...#pragma config WDT = OFF... bt in mikro c:sad:

 

[bigdogguru]

Re: prolem External interrupt RB0/INT in pic16f877

To set the Configuration Bits in MikroC,

Goto Menu:

"Project" -> "Edit Project ..."



BigDog