[SOLVED] External Interrupt is not working

[kushal nandanwar]

---

Code dot - [expand]
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
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

 

[horace1]

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?