Current File : //usr/share/doc/libdc1394-devel-2.2.2/dc1394_reset_bus.c

/*
 * resets the bus using libdc1394
 *
 * Written by David Moore
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <stdio.h>
#include <stdint.h>
#include <dc1394/dc1394.h>
#include <stdlib.h>
#include <inttypes.h>


int main(int argc, char *argv[])
{
    dc1394_t * d;
    dc1394camera_list_t * list;
    dc1394camera_t *camera;
    dc1394error_t err;

    d = dc1394_new ();
    if (!d)
        return 1;
    err=dc1394_camera_enumerate (d, &list);
    DC1394_ERR_RTN(err,"Failed to enumerate cameras");

    if (list->num == 0) {
        dc1394_log_error("No cameras found");
        return 1;
    }

    camera = dc1394_camera_new (d, list->ids[0].guid);
    if (!camera) {
        dc1394_log_error("Failed to initialize camera with guid %llx", list->ids[0].guid);
        return 1;
    }
    dc1394_camera_free_list (list);

    printf("Using camera with GUID %"PRIx64"\n", camera->guid);

    printf ("Reseting bus...\n");
    if (dc1394_reset_bus (camera) != DC1394_SUCCESS)
        printf ("Warning: reset reported error\n");

    dc1394_camera_free (camera);
    dc1394_free (d);

    return 0;
}