holamundoXC8

configuracion

/* 
 * File:   hmheader.h
 * Author: MIGUEL
 *
 * Created on 9 de julio de 2014, 10:07 p.m.
 */


// PIC16F628A Configuration Bit Settings

// 'C' source line config statements

#include <xc.h>

// #pragma config statements should precede project file includes.
// Use project enums instead of #define for ON and OFF.

// CONFIG
#pragma config FOSC = INTOSCIO  // Oscillator Selection bits (INTOSC oscillator: I/O function on RA6/OSC2/CLKOUT pin, I/O function on RA7/OSC1/CLKIN)
#pragma config WDTE = OFF       // Watchdog Timer Enable bit (WDT disabled)
#pragma config PWRTE = OFF      // Power-up Timer Enable bit (PWRT disabled)
#pragma config MCLRE = OFF      // RA5/MCLR/VPP Pin Function Select bit (RA5/MCLR/VPP pin function is digital input, MCLR internally tied to VDD)
#pragma config BOREN = ON       // Brown-out Detect Enable bit (BOD enabled)
#pragma config LVP = OFF        // Low-Voltage Programming Enable bit (RB4/PGM pin has digital I/O function, HV on MCLR must be used for programming)
#pragma config CPD = OFF        // Data EE Memory Code Protection bit (Data memory code protection off)
#pragma config CP = OFF         // Flash Program Memory Code Protection bit (Code protection off)

main

/* 
 * File:   hmmain.c
 * Author: MIGUEL
 *
 * Created on 9 de julio de 2014, 10:28 p.m.
 */

#include <stdio.h>
#include <stdlib.h>
#include "hmheader.h"

#define	_XTAL_FREQ	4000000		// se define la frecuencia del cristal para los retardos

/*==============================================================================
	Inicializar puertos, esta función es llamada luego en el main().
==============================================================================*/

void initPorts(void)
{
	TRISB = 0b00000000;			// Todo el puerto B es salida
	PORTB = 0;                              // Se apaga todo el puerto B
}

/*==============================================================================
	Bucle principal
==============================================================================*/

int main(void)
{
	// Inicializar puertos y periféricos
	initPorts();

	// Repetir indefinidamente
	while(1)
	{
		// prender puerto B
		PORTB = 0b11111111;
		_delay(1000000); //retardo de 1 millón de pulsos de reloj

		// apagar puerto b
		PORTB = 0b00000000;
		_delay(1000000);
	}
}