/***************************************************************************
 *   Copyright (C) 2006 by Jordi Binefa   *
 *   binefa at etpclot dot fje dot edu   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/


#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
/* #include <asm/io.h> */
#include <sys/io.h>

#define PORTADDRESS 0x378  /* Enter Your Port Address Here */

#define DATA PORTADDRESS+0
#define STATUS PORTADDRESS+1
#define CONTROL PORTADDRESS+2

#define BYTE unsigned char

int main(int argc, char *argv[])
{
	BYTE mask = 0x01;

//	OpenPortTalk();	

	if(ioperm(DATA,3,1)) {
		perror("Donant permisos");
		exit(1);
	}
	
	/* Dono permisos d'ús al port paraŀlel */
	system("chmod 666 /dev/parport0"); 

	while(mask){
		printf("mask = 0x%X\n",mask);
		//outportb(DATA,mask);
		outb(mask,DATA);
		if(mask < 0x10)
			//outportb(CONTROL,mask);
			outb(mask,CONTROL);
		getchar();
		mask <<= 1;
	}
	printf("\n_outp(DATA,0xFF)");
	printf("\n_outp(CONTROL,0x04)\n");
	//outportb(DATA,0xFF);
	outb(0xFF,DATA);
	//outportb(CONTROL,0x04);
	outb(0x04,CONTROL);
	getchar();
	printf("\n_outp(DATA,0x00)");
	printf("\n_outp(CONTROL,0x0B)\n");
	//outportb(DATA,0x00);
	outb(0x00,DATA);
	//outportb(CONTROL,~0xF4);
	outb((unsigned char)~0xF4,CONTROL);

//	ClosePortTalk();	

	if(ioperm(DATA,3,0)) {
		perror("Treient permisos");
		exit(1);
	}


  	return EXIT_SUCCESS;
}