+++ /dev/null
-/* -*- Mode: C; indent-tabs-mode:t ; c-basic-offset:8 -*- */
-/*
- * libusb example program for hotplug API
- * Copyright © 2012-2013 Nathan Hjelm <hjelmn@mac.ccom>
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-
-#include "libusb.h"
-
-int done = 0;
-libusb_device_handle *handle;
-
-static int LIBUSB_CALL hotplug_callback(libusb_context *ctx, libusb_device *dev, libusb_hotplug_event event, void *user_data)
-{
- struct libusb_device_descriptor desc;
- int rc;
-
- rc = libusb_get_device_descriptor(dev, &desc);
- if (LIBUSB_SUCCESS != rc) {
- fprintf (stderr, "Error getting device descriptor\n");
- }
-
- printf ("Device attached: %04x:%04x\n", desc.idVendor, desc.idProduct);
-
- libusb_open (dev, &handle);
-
- done++;
-
- return 0;
-}
-
-static int LIBUSB_CALL hotplug_callback_detach(libusb_context *ctx, libusb_device *dev, libusb_hotplug_event event, void *user_data)
-{
- printf ("Device detached\n");
-
- libusb_close (handle);
-
- done++;
- return 0;
-}
-
-int main(int argc, char *argv[])
-{
- libusb_hotplug_callback_handle hp[2];
- int product_id, vendor_id, class_id;
- int rc;
-
- vendor_id = (argc > 1) ? strtol (argv[1], NULL, 0) : 0x045a;
- product_id = (argc > 2) ? strtol (argv[2], NULL, 0) : 0x5005;
- class_id = (argc > 3) ? strtol (argv[3], NULL, 0) : LIBUSB_HOTPLUG_MATCH_ANY;
-
- rc = libusb_init (NULL);
- if (rc < 0)
- {
- printf("failed to initialise libusb: %s\n", libusb_error_name(rc));
- return EXIT_FAILURE;
- }
-
- if (!libusb_has_capability (LIBUSB_CAP_HAS_HOTPLUG)) {
- printf ("Hotplug capabilites are not supported on this platform\n");
- libusb_exit (NULL);
- return EXIT_FAILURE;
- }
-
- rc = libusb_hotplug_register_callback (NULL, LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED, 0, vendor_id,
- product_id, class_id, hotplug_callback, NULL, &hp[0]);
- if (LIBUSB_SUCCESS != rc) {
- fprintf (stderr, "Error registering callback 0\n");
- libusb_exit (NULL);
- return EXIT_FAILURE;
- }
-
- rc = libusb_hotplug_register_callback (NULL, LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT, 0, vendor_id,
- product_id,class_id, hotplug_callback_detach, NULL, &hp[1]);
- if (LIBUSB_SUCCESS != rc) {
- fprintf (stderr, "Error registering callback 1\n");
- libusb_exit (NULL);
- return EXIT_FAILURE;
- }
-
- while (done < 2) {
- rc = libusb_handle_events (NULL);
- if (rc < 0)
- printf("libusb_handle_events() failed: %s\n", libusb_error_name(rc));
- }
-
- libusb_exit (NULL);
-}