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/*
* Copyright (C) 2017 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.
*
* THIS SOFTWARE IS PROVIDED BY MATTHIAS RINGWALD 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.
*
*/
/*
* btstack_tlv_.h
*
* Inteface for BTstack's Tag Value Length Persistent Storage implementations
* used to store pairing/bonding data
*/
#ifndef __BTSTACK_TLV_H
#define __BTSTACK_TLV_H
#include <stdint.h>
#if defined __cplusplus
extern "C" {
#endif
typedef struct {
/**
* Get Value for Tag
* @param context
* @param tag
* @param buffer
* @param buffer_size
* @returns size of value
*/
int (*get_tag)(void * context, uint32_t tag, uint8_t * buffer, uint32_t buffer_size);
/**
* Store Tag
* @param context
* @param tag
* @param data
* @param data_size
* @returns 0 on success
*/
int (*store_tag)(void * context, uint32_t tag, const uint8_t * data, uint32_t data_size);
/**
* Delete Tag
* @param context
* @param tag
*/
void (*delete_tag)(void * context, uint32_t tag);
} btstack_tlv_t;
/**
* @brief Make TLV implementation available to BTstack components via Singleton
* @note Usually called by port after BD_ADDR was retrieved from Bluetooth Controller
* @param tlv_impl
* @param tlv_context
*/
void btstack_tlv_set_instance(const btstack_tlv_t * tlv_impl, void * tlv_context);
/**
* @brief Get current TLV implementation. Used for bonding information, but can be used by application, too.
* @param tlv_impl
* @param tlv_context
*/
void btstack_tlv_get_instance(const btstack_tlv_t ** tlv_impl, void ** tlv_context);
#if defined __cplusplus
}
#endif
#endif // __BTSTACK_TLV_H