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78 lines
2.5 KiB
78 lines
2.5 KiB
11 years ago
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/* -*- Mode: C; indent-tabs-mode:nil ; c-basic-offset:8 -*- */
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/*
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* Hotplug support for libusb 1.0
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* Copyright (C) 2012 Nathan Hjelm <hjelmn@users.sourceforge.net>
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* Copyright (C) 2012 Peter Stuge <peter@stuge.se>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#if !defined(USBI_HOTPLUG_H)
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#define USBI_HOTPLUG_H
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/** \ingroup hotplug
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* The hotplug callback structure. The user populates this structure with
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* libusb_hotplug_prepare_callback() and then calls libusb_hotplug_register_callback()
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* to receive notification of hotplug events.
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*/
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struct libusb_hotplug_callback {
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/** Context this callback is associated with */
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struct libusb_context *ctx;
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/** Vendor ID to match or LIBUSB_HOTPLUG_MATCH_ANY */
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int vendor_id;
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/** Product ID to match or LIBUSB_HOTPLUG_MATCH_ANY */
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int product_id;
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/** Device class to match or LIBUSB_HOTPLUG_MATCH_ANY */
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int dev_class;
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/** Hotplug callback flags */
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libusb_hotplug_flag flags;
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/** Event(s) that will trigger this callback */
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libusb_hotplug_event events;
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/** Callback function to invoke for matching event/device */
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libusb_hotplug_callback_fn cb;
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/** Handle for this callback (used to match on deregister) */
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libusb_hotplug_callback_handle handle;
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/** User data that will be passed to the callback function */
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void *user_data;
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/** Callback is marked for deletion */
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int needs_free;
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/** List this callback is registered in (ctx->hotplug_cbs) */
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struct list_head list;
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};
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typedef struct libusb_hotplug_callback libusb_hotplug_callback;
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struct libusb_hotplug_message {
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libusb_hotplug_event event;
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struct libusb_device *device;
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};
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typedef struct libusb_hotplug_message libusb_hotplug_message;
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void usbi_hotplug_deregister_all(struct libusb_context *ctx);
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void usbi_hotplug_match(struct libusb_device *dev, libusb_hotplug_event event);
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#endif
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