source: mainline/uspace/lib/usb/include/usb/classes/hidparser.h@ 243cb86

/*
 * Copyright (c) 2010 Vojtech Horky
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/** @addtogroup libusb usb
 * @{
 */
/** @file
 * @brief USB HID parser.
 */
#ifndef LIBUSB_HIDPARSER_H_
#define LIBUSB_HIDPARSER_H_

#include <stdint.h>

/** HID report parser structure. */
typedef struct {
} usb_hid_report_parser_t;

/** HID parser callbacks for IN items. */
typedef struct {
        /** Callback for keyboard.
         *
         * @param key_codes Array of pressed key (including modifiers).
         * @param count Length of @p key_codes.
         * @param arg Custom argument.
         */
        void (*keyboard)(const uint16_t *key_codes, size_t count, void *arg);
} usb_hid_report_in_callbacks_t;

int usb_hid_parse_report_descriptor(usb_hid_report_parser_t *parser, 
    const uint8_t *data);

int usb_hid_parse_report(const usb_hid_report_parser_t *parser,  
    const uint8_t *data,
    const usb_hid_report_in_callbacks_t *callbacks, void *arg);

#endif
/**
 * @}
 */