pic18f4550 timer 2 interrupt

#include <htc.h>
#include <stdio.h>
#include "isr.h"
#define USE_OR_MASKS 
#include "plib.h"

//Chip Settings
__CONFIG(1,0x0200);
__CONFIG(2,0X1E1F);
__CONFIG(3,0X8100);
__CONFIG(4,0X00C1);
__CONFIG(5,0XC00F);



void main(){

while(1){

	TRISD7 = 1;
	TRISD6 = 0;
	
	TRISD0 = 0;
	TRISD1 = 0;
	TRISD2 = 0; 	
	TRISD5 = 0;

	//.5mA,5mA,50mA
	RD0 = pulse;
	RD1 = 1;
	RD2 = 1;

	RD5 = 0;
	
 	CMCON = 0x01;   //Outputs' Mode

  	TRISA0 = 1;    // Configure as input pin for negative input of Comparator 1
    TRISA3 = 1;    // Configure as input pin for positive input of Comparator 1
//	TRISA4 = 0;    // Output
	TRISA4 = 1;    // Input for proteus sim
	TRISA1 = 1;

	RA4 = C1OUT;
     
	//Interrupt enable
	IPEN = 1;
	GIEH=1;																	
		
	PEIE=1;

	TMR2IF = 0;
	TMR2IE = 1; 
	ei();


	T2CON = 56;
	TMR2ON = 1;
	PR2 = 246;

	
  T2CKPS0 = 0;
  T2CKPS1 = 0;
 
 T2OUTPS0 = 0;
 T2OUTPS1 = 1;
 T2OUTPS2 = 1;
 T2OUTPS3 = 1;
	TMR2IP = 1;


	//startup
	if(!RD7){
	RD6 = 1;
	}
	
}

	
}