//
// PIC12F675 example: blink an LED on pin GP5
// Written by Ted Burke - 18-2-2017
//
// To compile:
//
//    xc8 --chip=12F675 main.c
//
 
#include <xc.h>
#include <stdio.h>
#include <stdint.h>
#define DUTY_CYCLE_HIGH .6
#define DUTY_CYCLE_LOW (1 - DUTY_CYCLE_HIGH)
#define PERIOD 110  // in microseconds
#define OFFSET 2
#define DDR (volatile uint8_t*) 0x00000085
#define PIN6 1
  
void main(void)
{
    
    *DDR &= ~(1 << PIN6);
    
    while(1)
    {
        GP1 = 1;         // Set pin GP5 high
        _delay(PERIOD * DUTY_CYCLE_HIGH + OFFSET);  // 0.5 second delay
        GP1 = 0;         // Set pin GP5 low
        _delay(PERIOD * DUTY_CYCLE_LOW - OFFSET);  // 0.5 second delay
    }
}