ble_gatt.h
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/**
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****************************************************************************************
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*
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* @file ble_gatt.h
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*
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* @brief BLE GATT
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*
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****************************************************************************************
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* @attention
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#####Copyright (c) 2019 GOODIX
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All rights reserved.
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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 are met:
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* 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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* 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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* Neither the name of GOODIX nor the names of its contributors may be used
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to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*****************************************************************************************
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*/
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/**
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* @addtogroup BLE
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* @{
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*/
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/**
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* @addtogroup BLE_GATT Generic Attribute Profile (GATT)
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* @{
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* @brief Definitions and prototypes for the GATT interface.
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*/
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/**
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@addtogroup BLE_GATTS Generic Attribute Profile (GATT) Common
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@{
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@brief Definitions and prototypes for the GATT Common interface.
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*/
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#ifndef __BLE_GATT_H__
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#define __BLE_GATT_H__
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#include "
ble_error.h
"
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#include <stdint.h>
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/** @addtogroup BLE_GATT_COMMON Enumerations
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* @{ */
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/**
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* @brief GATT common events.
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*/
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typedef
enum
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{
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BLE_GATT_NOTIFICATION
= 0x00,
/**< Handle Value Notification. */
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BLE_GATT_INDICATION
,
/**< Handle Value Indication. */
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}
ble_gatt_evt_type_t
;
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/** @} */
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/** @addtogroup BLE_GATT_COMMON_STRUCTURES Structures
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* @{ */
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/**
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* @brief GATT UUID structure.
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*/
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typedef
struct
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{
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uint8_t
uuid_len
;
/**< UUID length. */
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uint8_t *
uuid
;
/**< UUID value. */
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}
ble_uuid_t
;
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/**
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* @brief GATT MTU Exchange event for @ref BLE_GATT_COMMON_EVT_MTU_EXCHANGE.
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*/
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typedef
struct
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{
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uint16_t
mtu
;
/**< MTU Exchanged value. */
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}
ble_gatt_common_evt_mtu_exchange_t
;
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/**
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* @brief GATT Server Profile Register event for @ref BLE_GATT_COMMON_EVT_PRF_REGISTER.
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*/
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typedef
struct
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{
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uint8_t
prf_index
;
/**< Profile Index. */
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}
ble_gatt_common_evt_prf_reg_t
;
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/**@brief GATT Common structure. */
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typedef
struct
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{
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uint8_t
index
;
/**< Index of connection. */
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union
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{
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ble_gatt_common_evt_mtu_exchange_t
mtu_exchange
;
/**< MTU exchanged event. */
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ble_gatt_common_evt_prf_reg_t
prf_reg
;
/**< Server Profile Register event. */
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} params;
/**< Event Parameters. */
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}
ble_gatt_common_evt_t
;
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/** @} */
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/** @addtogroup BLE_GATT_FUNCTIONS Functions
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* @{ */
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/**
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****************************************************************************************
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* @brief Set ATT_MTU size.
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*
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* @param[in] mtu: ATT_MTU size.
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*
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* @note This function should be called before exchange MTU operation. This MTU size is used to all connections.
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* If not set these parameters, the stack will config the default value as (max_mtu = 512).
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*
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* @retval ::SDK_SUCCESS: Successfully get ATT_MTU.
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* @retval ::SDK_ERR_DISALLOWED: Operation is disallowed.
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****************************************************************************************
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*/
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uint16_t
ble_gatt_mtu_set
(uint16_t mtu);
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/**
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****************************************************************************************
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* @brief Get the current ATT_MTU size for a given connection.
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*
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* @param[in] conn_idx: Current connection index.
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* @param[out] p_mtu: ATT_MTU size for the given connection.
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*
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* @retval ::SDK_SUCCESS: Successfully get ATT_MTU.
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* @retval ::SDK_ERR_INVALID_PARAM: Invalid parameter(s) supplied.
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****************************************************************************************
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*/
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uint16_t
ble_gatt_mtu_get
(uint8_t conn_idx, uint16_t *p_mtu);
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/** @} */
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#endif
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/** @} */
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/** @} */
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/** @} */
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ble_gatt_common_evt_t::index
uint8_t index
Definition:
ble_gatt.h:105
ble_uuid_t::uuid
uint8_t * uuid
Definition:
ble_gatt.h:83
ble_gatt_mtu_get
uint16_t ble_gatt_mtu_get(uint8_t conn_idx, uint16_t *p_mtu)
Get the current ATT_MTU size for a given connection.
ble_gatt_common_evt_mtu_exchange_t::mtu
uint16_t mtu
Definition:
ble_gatt.h:91
ble_uuid_t::uuid_len
uint8_t uuid_len
Definition:
ble_gatt.h:82
ble_error.h
File that contains error codes.
ble_gatt_common_evt_mtu_exchange_t
GATT MTU Exchange event for BLE_GATT_COMMON_EVT_MTU_EXCHANGE.
Definition:
ble_gatt.h:90
ble_gatt_evt_type_t
ble_gatt_evt_type_t
GATT common events.
Definition:
ble_gatt.h:67
ble_gatt_common_evt_t::mtu_exchange
ble_gatt_common_evt_mtu_exchange_t mtu_exchange
Definition:
ble_gatt.h:108
BLE_GATT_INDICATION
@ BLE_GATT_INDICATION
Definition:
ble_gatt.h:69
BLE_GATT_NOTIFICATION
@ BLE_GATT_NOTIFICATION
Definition:
ble_gatt.h:68
ble_gatt_common_evt_prf_reg_t::prf_index
uint8_t prf_index
Definition:
ble_gatt.h:99
ble_gatt_common_evt_t
GATT Common structure.
Definition:
ble_gatt.h:104
ble_gatt_common_evt_prf_reg_t
GATT Server Profile Register event for BLE_GATT_COMMON_EVT_PRF_REGISTER.
Definition:
ble_gatt.h:98
ble_gatt_common_evt_t::prf_reg
ble_gatt_common_evt_prf_reg_t prf_reg
Definition:
ble_gatt.h:109
ble_uuid_t
GATT UUID structure.
Definition:
ble_gatt.h:81
ble_gatt_mtu_set
uint16_t ble_gatt_mtu_set(uint16_t mtu)
Set ATT_MTU size.