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77 lines
2.5 KiB
77 lines
2.5 KiB
/* -*- 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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