/*
 * portio_debug.c  ---  User mode program to change the debugging flag
 *                      for the portio driver.
 *
 *-----------------------------------------------------------------------
 *
 * Copyright 1999 Illinois Institute of Technology
 *
 * See the file "LICENSE" for information on usage and redistribution
 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 *
 */

#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <asm/types.h>

#include "portio.h"

int
main( int argc, char *argv[] )
{
	int debug_setting, fd, status;

	char usage[] = "Usage: portio_debug debug_setting\n";

	if ( argc != 2 ) {
		fputs( usage, stderr );
		exit(1);
	}

	debug_setting = atoi( argv[1] );

	fd = open( PORTIO_DEVICE, O_RDONLY );

	if ( fd == (-1) ) {
		perror( "portio_debug: open failed" );
		exit(1);
	}

	status = ioctl( fd, PORTIO_DEBUG_IOCTL, &debug_setting );

	if ( status < 0 ) {
		perror( "portio_debug: ioctl failed" );
		exit(1);
	}

	exit(0);
}