[SOLVED] External Interrupt is not working

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kushal nandanwar

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void __attribute__((interrupt, no_auto_psv)) _INT1Interrupt(void)
{led=~led;
 
IFS1bits.INT1IF=0; //clear INT0 interrupt flag
}
 
void EXT_INT(void)
{
INTCON1=0x00;
INTCON2=0x00;
INTCON2bits.INT1EP=0;
IPC4bits.INT1IP=0;
IFS1bits.INT1IF=0;
IEC1bits.INT1IE=1;
 
}

my External Interrupt not working
 
Last edited by a moderator:

which processor are you using?
have your checked that your LED is working correctly, i.e. will switch ON/OFF?
could your interrupt input pin be defaulting to an analogue input and needs to be set up as a digital IO pin?
 

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