btstack/ble/ad_parser.h
2015-02-06 16:19:27 +00:00

78 lines
2.9 KiB
C

/*
* Copyright (C) 2014 BlueKitchen GmbH
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of the copyright holders nor the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* 4. Any redistribution, use, or modification is done solely for
* personal benefit and not for any commercial purpose or for
* monetary gain.
*
* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
* ``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 MATTHIAS
* RINGWALD OR CONTRIBUTORS 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.
*
* Please inquire about commercial licensing options at
* contact@bluekitchen-gmbh.com
*
*/
// *****************************************************************************
//
// Advertising Data Parser
//
// *****************************************************************************
#ifndef __AD_PARSER_H
#define __AD_PARSER_H
#include "btstack-config.h"
#if defined __cplusplus
extern "C" {
#endif
typedef struct ad_context {
uint8_t * data;
uint8_t offset;
uint8_t length;
} ad_context_t;
// Advertising or Scan Response data iterator
void ad_iterator_init(ad_context_t *context, uint8_t ad_len, uint8_t * ad_data);
int ad_iterator_has_more(ad_context_t * context);
void ad_iterator_next(ad_context_t * context);
// Access functions
uint8_t ad_iterator_get_data_type(ad_context_t * context);
uint8_t ad_iterator_get_data_len(ad_context_t * context);
uint8_t * ad_iterator_get_data(ad_context_t * context);
// convenience function on complete advertisements
int ad_data_contains_uuid16(uint8_t ad_len, uint8_t * ad_data, uint16_t uuid);
int ad_data_contains_uuid128(uint8_t ad_len, uint8_t * ad_data, uint8_t * uuid128);
#if defined __cplusplus
}
#endif
#endif // __AD_PARSER_H