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usb.c

/*
 * usb.c
 *
 *  USB digita support
 *
 * Copyright 1999-2001 Johannes Erdfelt
 *
 * 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 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 "config.h"

#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>

#include <gphoto2/gphoto2-port.h>

#include "digita.h"

static int digita_usb_read(CameraPrivateLibrary *dev, void *buffer, int len)
{
      return gp_port_read(dev->gpdev, buffer, len);
}

static int digita_usb_send(CameraPrivateLibrary *dev, void *buffer, int len)
{
      return gp_port_write(dev->gpdev, buffer, len);
}

int digita_usb_open(CameraPrivateLibrary *dev, Camera *camera)
{
      GPPortSettings settings;
      unsigned char buffer[128];
      int ret;

      ret = gp_port_get_settings(camera->port, &settings);
      if (ret < 0)
            return ret;

      /* We'll take the defaults. The core should have the done what's */
      /* necessary to find the config, interface, altsetting and endpoints */

      ret = gp_port_set_settings(dev->gpdev, settings);
      if (ret < 0)
            return ret;

      dev->send = digita_usb_send;
      dev->read = digita_usb_read;

      gp_port_set_timeout(camera->port, 100);

      /* Mop up anything still pending */
      while (gp_port_read(dev->gpdev, buffer, sizeof(buffer)) > 0)
            ;

      gp_port_set_timeout(camera->port, 10000);

      return GP_OK;
}


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