source: mainline/uspace/lib/usb/include/usb/classes/hiddescriptor.h@ 1519b91

/*
 * Copyright (c) 2011 Matej Klonfar
 * 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
 * @{
 */
/** @file
 * USB HID report descriptor and report data parser
 */
#ifndef LIBUSB_HIDDESCRIPTOR_H_
#define LIBUSB_HIDDESCRIPTOR_H_

#include <stdint.h>
#include <adt/list.h>
#include <usb/classes/hid_report_items.h>
#include <usb/classes/hidpath.h>
#include <usb/classes/hidtypes.h>


/*
 * Descriptor parser functions
 */

/** */
int usb_hid_parse_report_descriptor(usb_hid_report_t *report, 
                                    const uint8_t *data, size_t size);

/** */
void usb_hid_free_report(usb_hid_report_t *report);

/** */
void usb_hid_descriptor_print(usb_hid_report_t *report);


int usb_hid_report_init(usb_hid_report_t *report);
int usb_hid_report_append_fields(usb_hid_report_t *report, 
                                 usb_hid_report_item_t *report_item);

usb_hid_report_description_t * usb_hid_report_find_description(const usb_hid_report_t *report, uint8_t report_id, usb_hid_report_type_t type);
int usb_hid_report_parse_tag(uint8_t tag, uint8_t class, const uint8_t *data, size_t item_size,
                             usb_hid_report_item_t *report_item, usb_hid_report_path_t *usage_path);
int usb_hid_report_parse_main_tag(uint8_t tag, const uint8_t *data, size_t item_size,
                             usb_hid_report_item_t *report_item, usb_hid_report_path_t *usage_path);
int usb_hid_report_parse_global_tag(uint8_t tag, const uint8_t *data, size_t item_size,
                             usb_hid_report_item_t *report_item, usb_hid_report_path_t *usage_path);
int usb_hid_report_parse_local_tag(uint8_t tag, const uint8_t *data, size_t item_size,
                             usb_hid_report_item_t *report_item, usb_hid_report_path_t *usage_path);

void usb_hid_descriptor_print_list(link_t *head);
void usb_hid_report_reset_local_items(usb_hid_report_item_t *report_item);
void usb_hid_free_report_list(link_t *head);
usb_hid_report_item_t *usb_hid_report_item_clone(const usb_hid_report_item_t *item);
uint32_t usb_hid_report_tag_data_uint32(const uint8_t *data, size_t size);

void usb_hid_report_path_try_insert(usb_hid_report_t *report, usb_hid_report_path_t *cmp_path);
#endif
/**
 * @}
 */