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98 lines
2.9 KiB
C
98 lines
2.9 KiB
C
/*
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* Copyright (C) 2017 BlueKitchen GmbH
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holders nor the names of
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY MATTHIAS RINGWALD AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
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* RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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/*
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* btstack_tlv_.h
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*
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* Inteface for BTstack's Tag Value Length Persistent Storage implementations
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* used to store pairing/bonding data
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*/
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#ifndef BTSTACK_TLV_H
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#define BTSTACK_TLV_H
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#include <stdint.h>
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#if defined __cplusplus
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extern "C" {
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#endif
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typedef struct {
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/**
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* Get Value for Tag
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* @param context
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* @param tag
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* @param buffer
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* @param buffer_size
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* @returns size of value
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*/
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int (*get_tag)(void * context, uint32_t tag, uint8_t * buffer, uint32_t buffer_size);
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/**
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* Store Tag
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* @param context
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* @param tag
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* @param data
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* @param data_size
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* @returns 0 on success
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*/
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int (*store_tag)(void * context, uint32_t tag, const uint8_t * data, uint32_t data_size);
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/**
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* Delete Tag
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* @param context
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* @param tag
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*/
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void (*delete_tag)(void * context, uint32_t tag);
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} btstack_tlv_t;
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/**
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* @brief Make TLV implementation available to BTstack components via Singleton
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* @note Usually called by port after BD_ADDR was retrieved from Bluetooth Controller
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* @param tlv_impl
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* @param tlv_context
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*/
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void btstack_tlv_set_instance(const btstack_tlv_t * tlv_impl, void * tlv_context);
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/**
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* @brief Get current TLV implementation. Used for bonding information, but can be used by application, too.
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* @param tlv_impl
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* @param tlv_context
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*/
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void btstack_tlv_get_instance(const btstack_tlv_t ** tlv_impl, void ** tlv_context);
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#if defined __cplusplus
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}
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#endif
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#endif // BTSTACK_TLV_H
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