#include <xc.h>
#pragma config WDTE = OFF       // Watchdog Timer Enable (WDT disabled)
#pragma config PWRTE = OFF      // Power-up Timer Enable (PWRT disabled)
#pragma config MCLRE = OFF      // MCLR Pin Function Select (MCLR/VPP pin function is digital input)
#pragma config CP = OFF         // Flash Program Memory Code Protection (Program memory code protection is disabled)
#pragma config BOREN = OFF      // Brown-out Reset Enable (Brown-out Reset disabled)
#pragma config CLKOUTEN = OFF   // Clock Out Enable (CLKOUT function is disabled. I/O or oscillator function on the CLKOUT pin)
#pragma config IESO = OFF       // Internal/External Switchover (Internal/External Switchover mode is disabled)
#pragma config FCMEN = ON       // Fail-Safe Clock Monitor Enable (Fail-Safe Clock Monitor is enabled)

// CONFIG2
#pragma config WRT = OFF        // Flash Memory Self-Write Protection (Write protection off)
#pragma config STVREN = OFF      // Stack Overflow/Underflow Reset Enable (Stack Overflow or Underflow will cause a Reset)
#pragma config BORV = LO        // Brown-out Reset Voltage Selection (Brown-out Reset Voltage (Vbor), low trip point selected.)

#define _XTAL_FREQ 16000000
#define __delay_ms(x) _delay((unsigned long)((x)*(_XTAL_FREQ/4000.0)))

void initial(void)
{
    GIE=0;  //global interrupts ^^
    OSCCON = 0b01111010;        // Internal OSC 16MHz
    ANSELA=0b00000000; //

    T1GCON=0b00000000;
    T1CON=0b00000100;                   // Timer1 clock Fosc,Prescaler 1:1,
                                                      // LP oscillator disable, TMR1 stop
    PORTA=0x00;
    LATA=0x00;
    TRISA=0b00000000;
    ADCON0=0b00000000;
    CCP1CON=0b00000000; //
    SSP1CON1=0b00000000; //
} // initial()

void main(void)
{   initial();
    do{
        LATA=0b11111111;
        __delay_ms(1);
        LATA=0b00000000;
        __delay_ms(1);
    }while(1);
}

void interrupt isr(void)
{  
    if (TMR2IF)
    {   LATA=0b11111111;
        TMR2=100;
       TMR2IF=0;
    }
}
void main (void)
{
TMR2=100;  
T2CON=00000100; // tmr2 on, prescaler 1:1, postscaler 1:1
TMR2IF=0; //interrupt tmr2 clear
TMR2IE=1;
GIE=1;  //global interrupts ^^
PEIE=1;
do{}while(1);
}

PORTA=0x00;
LATA=0x00;
TRISA=0b00000000;
PR2=0xFF; //PWM
CCPR1L=100;   // duty=
CCP1CON=0b00001100;   // active high

TMR2=0;  
T2CON=0b00000100; // tmr2 on, prescaler 1:1, postscaler 1:1
TMR2IF=0; //interrupt tmr2 clear
TMR2IE=1;
PEIE=1;
GIE=1;  //global interrupts ^^
do{}while(1);