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xiaozhengsheng
2025-08-19 09:49:41 +08:00
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components/ble/ble_services/experimental_gatts_c/nrf_ble_gatts_c.c Normal file
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/**
* Copyright (c) 2017 - 2020, Nordic Semiconductor ASA
*
* All rights reserved.
*
* 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, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, 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 Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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.
*
*/
#include "sdk_common.h"
#if NRF_MODULE_ENABLED(NRF_BLE_GATTS_C)
#include "nrf_ble_gatts_c.h"
#include <string.h>
#include "ble.h"
#define NRF_LOG_MODULE_NAME nrf_ble_gatts_c
#include "nrf_log.h"
NRF_LOG_MODULE_REGISTER();
#define GATTS_LOG NRF_LOG_DEBUG /**< A debug logger macro that can be used in this file to perform logging over UART. */
#define MODULE_INITIALIZED (p_gatts_c->initialized) /**< Macro indicating whether the module has been initialized properly. */
static const ble_uuid_t m_gatts_uuid = {BLE_UUID_GATT, BLE_UUID_TYPE_BLE}; /**< Service Changed indication UUID. */
/**@brief Function for intercepting the errors of GATTC and the BLE GATT Queue.
*
* @param[in] nrf_error Error code.
* @param[in] p_ctx Parameter from the event handler.
* @param[in] conn_handle Connection handle.
*/
static void gatt_error_handler(uint32_t nrf_error,
void * p_ctx,
uint16_t conn_handle)
{
nrf_ble_gatts_c_t * p_gattc = (nrf_ble_gatts_c_t *)p_ctx;
NRF_LOG_DEBUG("A GATT Client error has occurred on conn_handle: 0X%X", conn_handle);
if (p_gattc->err_handler != NULL)
{
p_gattc->err_handler(nrf_error);
}
}
/**@brief Function for handling the indication and notifications from the GATT Service Server.
@param[in] p_gatts_c Pointer to Service Changed Client structure.
@param[in] p_ble_gattc_evt Pointer to a GATTC event.
*/
static void on_hvx(nrf_ble_gatts_c_t const * const p_gatts_c,
ble_gattc_evt_t const * const p_ble_gattc_evt)
{
uint16_t srv_changed_handle = p_gatts_c->srv_changed_char.characteristic.handle_value;
if ((p_ble_gattc_evt->params.hvx.handle == srv_changed_handle)
&& (p_gatts_c->evt_handler != NULL))
{
ret_code_t err_code = sd_ble_gattc_hv_confirm(p_ble_gattc_evt->conn_handle,
srv_changed_handle);
if ((err_code != NRF_SUCCESS) && (p_gatts_c->err_handler != NULL))
{
p_gatts_c->err_handler(err_code);
}
nrf_ble_gatts_c_evt_t evt;
nrf_ble_gatts_c_evt_handler_t evt_handler = p_gatts_c->evt_handler;
/*lint --e{415} --e{416} -save suppress Warning 415: Likely access of out-of-bounds pointer */
evt.params.handle_range.start_handle = uint16_decode(p_ble_gattc_evt->params.hvx.data);
evt.params.handle_range.end_handle = uint16_decode(p_ble_gattc_evt->params.hvx.data + sizeof(uint16_t));
/*lint -restore*/
evt.evt_type = NRF_BLE_GATTS_C_EVT_SRV_CHANGED;
evt.conn_handle = p_ble_gattc_evt->conn_handle;
GATTS_LOG ("Service Changed indication.\n\r");
evt_handler(&evt);
}
}
ret_code_t nrf_ble_gatts_c_init(nrf_ble_gatts_c_t * p_gatts_c,
nrf_ble_gatts_c_init_t * p_gatts_c_init)
{
ret_code_t err_code = NRF_SUCCESS;
VERIFY_PARAM_NOT_NULL(p_gatts_c);
VERIFY_PARAM_NOT_NULL(p_gatts_c_init);
VERIFY_PARAM_NOT_NULL(p_gatts_c_init->evt_handler);
VERIFY_PARAM_NOT_NULL(p_gatts_c_init->p_gatt_queue);
memset (p_gatts_c, 0, sizeof(nrf_ble_gatts_c_t));
p_gatts_c->conn_handle = BLE_CONN_HANDLE_INVALID;
p_gatts_c->evt_handler = p_gatts_c_init->evt_handler;
p_gatts_c->p_gatt_queue = p_gatts_c_init->p_gatt_queue;
err_code = ble_db_discovery_evt_register(&m_gatts_uuid);
VERIFY_SUCCESS(err_code);
p_gatts_c->initialized = true;
return err_code;
}
/**@brief Function for checking whether the peer's GATT Service instance and the Service Changed
characteristic have been discovered.
@param[in] p_gatts_c Pointer to the GATT Service Client structure instance.
@return True if the Service Changed characteristic handle is valid.
@return False if the Service Changed characteristic handle is invalid.
*/
static bool gatts_gatt_handles_are_valid(nrf_ble_gatts_c_t const * const p_gatts_c)
{
return (p_gatts_c->srv_changed_char.characteristic.handle_value != BLE_GATT_HANDLE_INVALID);
}
ret_code_t nrf_ble_gatts_c_enable_indication(nrf_ble_gatts_c_t * const p_gatts_c,
bool const indication_enable)
{
VERIFY_MODULE_INITIALIZED();
if ( (p_gatts_c->conn_handle == BLE_CONN_HANDLE_INVALID)
|| !(gatts_gatt_handles_are_valid(p_gatts_c)))
{
return NRF_ERROR_INVALID_STATE;
}
uint16_t cccd_val = (indication_enable) ? BLE_GATT_HVX_INDICATION : 0;
uint8_t cccd[BLE_CCCD_VALUE_LEN];
nrf_ble_gq_req_t cccd_req;
cccd[0] = LSB_16(cccd_val);
cccd[1] = MSB_16(cccd_val);
memset(&cccd_req, 0, sizeof(nrf_ble_gq_req_t));
cccd_req.type = NRF_BLE_GQ_REQ_GATTC_WRITE;
cccd_req.error_handler.cb = gatt_error_handler;
cccd_req.error_handler.p_ctx = p_gatts_c;
cccd_req.params.gattc_write.handle = p_gatts_c->srv_changed_char.cccd_handle;
cccd_req.params.gattc_write.len = BLE_CCCD_VALUE_LEN;
cccd_req.params.gattc_write.offset = 0;
cccd_req.params.gattc_write.p_value = cccd;
cccd_req.params.gattc_write.write_op = BLE_GATT_OP_WRITE_REQ;
return nrf_ble_gq_item_add(p_gatts_c->p_gatt_queue, &cccd_req, p_gatts_c->conn_handle);
}
void nrf_ble_gatts_c_on_db_disc_evt(nrf_ble_gatts_c_t const * const p_gatts_c,
ble_db_discovery_evt_t * const p_evt)
{
VERIFY_MODULE_INITIALIZED_VOID();
nrf_ble_gatts_c_evt_t evt;
ble_gatt_db_char_t * p_chars;
p_chars = p_evt->params.discovered_db.charateristics;
if ( (p_evt->evt_type == BLE_DB_DISCOVERY_COMPLETE)
&& (p_evt->params.discovered_db.srv_uuid.uuid == BLE_UUID_GATT)
&& (p_evt->params.discovered_db.srv_uuid.type == BLE_UUID_TYPE_BLE))
{
// Find the handles of the Service Changed characteristics.
for (uint32_t i = 0; i < p_evt->params.discovered_db.char_count; i++)
{
if ( (p_chars[i].characteristic.uuid.uuid == BLE_UUID_GATT_CHARACTERISTIC_SERVICE_CHANGED)
&& (p_chars[i].characteristic.char_props.indicate != 0))
{
memcpy(&evt.params.srv_changed_char,
&p_chars[i],
sizeof(ble_gatt_db_char_t));
evt.evt_type = NRF_BLE_GATTS_C_EVT_DISCOVERY_COMPLETE;
GATTS_LOG("Service Changed characteristic found.\n\r");
break;
}
}
}
else if ((p_evt->evt_type == BLE_DB_DISCOVERY_SRV_NOT_FOUND) ||
(p_evt->evt_type == BLE_DB_DISCOVERY_ERROR))
{
evt.evt_type = NRF_BLE_GATTS_C_EVT_DISCOVERY_FAILED;
}
else
{
return;
}
if (p_gatts_c->evt_handler != NULL)
{
nrf_ble_gatts_c_evt_handler_t evt_handler = p_gatts_c->evt_handler;
evt.conn_handle = p_evt->conn_handle;
evt_handler(&evt);
}
}
/**@brief Function for handling the Disconnect event.
@param[in] p_cts Pointer to the GATT Service Client structure instance.
@param[in] p_ble_evt Event received from the BLE stack.
*/
static void on_disconnect(nrf_ble_gatts_c_t * p_gatts_c, ble_evt_t const * p_ble_evt)
{
if (p_gatts_c->conn_handle == p_ble_evt->evt.gap_evt.conn_handle)
{
p_gatts_c->conn_handle = BLE_CONN_HANDLE_INVALID;
if (gatts_gatt_handles_are_valid(p_gatts_c))
{
// There was a valid instance of GATTS on the peer. Send an event to the
// application, so that it can do a cleanup related to this module.
nrf_ble_gatts_c_evt_t evt;
evt.evt_type = NRF_BLE_GATTS_C_EVT_DISCONN_COMPLETE;
p_gatts_c->evt_handler(&evt);
p_gatts_c->srv_changed_char.characteristic.handle_value = BLE_GATT_HANDLE_INVALID;
p_gatts_c->srv_changed_char.cccd_handle = BLE_GATT_HANDLE_INVALID;
p_gatts_c->srv_changed_char.ext_prop_handle = BLE_GATT_HANDLE_INVALID;
p_gatts_c->srv_changed_char.report_ref_handle = BLE_GATT_HANDLE_INVALID;
p_gatts_c->srv_changed_char.user_desc_handle = BLE_GATT_HANDLE_INVALID;
}
}
}
void nrf_ble_gatts_c_on_ble_evt(ble_evt_t const * p_ble_evt,
void * p_context)
{
nrf_ble_gatts_c_t * p_gatts_c;
p_gatts_c = p_context;
VERIFY_MODULE_INITIALIZED_VOID();
VERIFY_PARAM_NOT_NULL_VOID(p_gatts_c);
VERIFY_PARAM_NOT_NULL_VOID(p_ble_evt);
switch (p_ble_evt->header.evt_id)
{
case BLE_GAP_EVT_DISCONNECTED:
on_disconnect(p_gatts_c, p_ble_evt);
break;
case BLE_GATTC_EVT_HVX:
on_hvx(p_gatts_c, &(p_ble_evt->evt.gattc_evt));
break;
default:
break;
}
}
ret_code_t nrf_ble_gatts_c_handles_assign(nrf_ble_gatts_c_t * const p_gatts_c,
uint16_t const conn_handle,
ble_gatt_db_char_t const * const p_peer_handles)
{
VERIFY_PARAM_NOT_NULL(p_gatts_c);
VERIFY_MODULE_INITIALIZED();
p_gatts_c->conn_handle = conn_handle;
if (p_peer_handles != NULL)
{
p_gatts_c->srv_changed_char.cccd_handle = p_peer_handles->cccd_handle;
p_gatts_c->srv_changed_char.ext_prop_handle = p_peer_handles->ext_prop_handle;
p_gatts_c->srv_changed_char.report_ref_handle = p_peer_handles->report_ref_handle;
p_gatts_c->srv_changed_char.user_desc_handle = p_peer_handles->user_desc_handle;
p_gatts_c->srv_changed_char.characteristic.handle_value = p_peer_handles->characteristic.handle_value;
}
return nrf_ble_gq_conn_handle_register(p_gatts_c->p_gatt_queue, conn_handle);
}
#endif // NRF_MODULE_ENABLED(BLE_GATTS_C)

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components/ble/ble_services/experimental_gatts_c/nrf_ble_gatts_c.h Normal file
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/**
* Copyright (c) 2017 - 2020, Nordic Semiconductor ASA
*
* All rights reserved.
*
* 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, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, 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 Nordic Semiconductor ASA nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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.
*
*/
/** @file
*
* @defgroup nrf_ble_gatts_c GATT Service Client
* @{
* @ingroup ble_sdk_srv
* @brief GATT Service Client module.
*
* @details This module implements a client for the Generic Attribute Profile (GATT) Service.
* It subscribes to indications from the Service Changed characteristic (0x2A05).
*
* @note The application must register this module as a BLE event observer with the
* NRF_SDH_BLE_OBSERVER macro. Example:
* @code
* ble_gatts_t instance;
* NRF_SDH_BLE_OBSERVER(anything, BLE_GATTS_BLE_OBSERVER_PRIO,
* nrf_ble_gatts_c_on_ble_evt, &instance);
* @endcode
*/
#ifndef NRF_BLE_GATTS_C_H__
#define NRF_BLE_GATTS_C_H__
#include <stdint.h>
#include "ble_gattc.h"
#include "ble.h"
#include "nrf_error.h"
#include "ble_srv_common.h"
#include "ble_db_discovery.h"
#include "nrf_ble_gq.h"
#include "sdk_errors.h"
#ifdef __cplusplus
extern "C" {
#endif
/**@brief Macro for defining a nrf_ble_gatts_c instance.
*
* @param _name Name of the instance.
* @hideinitializer
*/
#define NRF_BLE_GATTS_C_DEF(_name) \
static nrf_ble_gatts_c_t _name; \
NRF_SDH_BLE_OBSERVER(_name ## _obs, \
NRF_BLE_GATTS_C_BLE_OBSERVER_PRIO, \
nrf_ble_gatts_c_on_ble_evt, &_name)
/** @brief Macro for defining multiple nrf_ble_gatts_c instances.
*
* @param _name Name of the array of instances.
* @param _cnt Number of instances to define.
* @hideinitializer
*/
#define NRF_BLE_GATTS_C_ARRAY_DEF(_name, _cnt) \
static nrf_ble_gatts_c_t _name[_cnt]; \
NRF_SDH_BLE_OBSERVERS(_name ## _obs, \
NRF_BLE_GATTS_C_BLE_OBSERVER_PRIO, \
nrf_ble_gatts_c_on_ble_evt, &_name, _cnt)
/**@brief Type of the GATT Service client event. */
typedef enum
{
NRF_BLE_GATTS_C_EVT_DISCOVERY_COMPLETE, /**< Event indicating that the GATT Service and Service Changed characteristic have been found on the peer. */
NRF_BLE_GATTS_C_EVT_DISCOVERY_FAILED, /**< Event indicating that the Service Changed characteristic has not been found on the peer. */
NRF_BLE_GATTS_C_EVT_DISCONN_COMPLETE, /**< Event indicating that the GATT Service client module finished processing the BLE_GAP_EVT_DISCONNECTED event. The application can use this event to do a cleanup related to the GATT Service client.*/
NRF_BLE_GATTS_C_EVT_SRV_CHANGED, /**< Event indicating that a Service Changed indication has been received. */
} nrf_ble_gatts_c_evt_type_t;
/**@brief Structure containing the event from the Service Changed client module to the application.
*/
typedef struct
{
nrf_ble_gatts_c_evt_type_t evt_type; /**< Type of event. See @ref nrf_ble_gatts_c_evt_type_t. */
uint16_t conn_handle; /**< Handle of the connection for which this event occurred. */
union
{
ble_gatt_db_char_t srv_changed_char; /**< Handles for the Service Changed characteristic. This is filled if the event type is @ref NRF_BLE_GATTS_C_EVT_DISCOVERY_COMPLETE. */
ble_gattc_handle_range_t handle_range; /**< The affected attribute handle range in which the service has changed. This will be provided if the event type is @ref NRF_BLE_GATTS_C_EVT_SRV_CHANGED.*/
} params;
} nrf_ble_gatts_c_evt_t;
/**@brief Service Changed handler type. */
typedef void (* nrf_ble_gatts_c_evt_handler_t)(nrf_ble_gatts_c_evt_t * p_evt);
/**@brief Structure for holding the information related to the Service Changed indication at the server.
*
* @details A GATT Server never has more than one instance of the Service Changed characteristic.
* For this reason, you never need more than one instance of the GATT Service Client structure.
*
* @warning This structure must be zero-initialized.
*/
typedef struct
{
bool initialized; /**< Boolean indicating whether the context has been initialized. */
bool char_found; /**< Boolean indicating whether the Service Changed indication has been found.*/
ble_gatt_db_char_t srv_changed_char; /**< Information of the Service Changed characteristics. */
uint16_t conn_handle; /**< Active connection handle. */
nrf_ble_gatts_c_evt_handler_t evt_handler; /**< Pointer to event handler function. */
ble_srv_error_handler_t err_handler; /**< Pointer to error handler function. */
nrf_ble_gq_t * p_gatt_queue; /**< Pointer to the BLE GATT Queue instance. */
} nrf_ble_gatts_c_t;
/**@brief Initialization parameters. These must be supplied when calling @ref nrf_ble_gatts_c_init. */
typedef struct
{
nrf_ble_gatts_c_evt_handler_t evt_handler; /**< Event handler that is called by the Service Changed Client module when any related event occurs. */
ble_srv_error_handler_t err_handler; /**< Error handler that is called by the Service Changed Client module if any error occurs. */
nrf_ble_gq_t * p_gatt_queue; /**< Pointer to the BLE GATT Queue instance. */
} nrf_ble_gatts_c_init_t;
/**@brief Function for initializing the Service Changed client module.
*
* @param[in,out] p_gatts_c Pointer to the GATT Service Client structure instance.
* @param[in] p_gatts_c_init Init parameters containing the event handler that is called by
* the Service Changed Client module when any related event occurs.
*
* @retval NRF_SUCCESS If the service was initialized successfully.
* @retval NRF_ERROR_NULL If any of the input parameters are NULL.
* @retval err_code If functions from other modules return errors to this function,
* the @ref nrf_error are propagated.
*/
ret_code_t nrf_ble_gatts_c_init(nrf_ble_gatts_c_t * p_gatts_c,
nrf_ble_gatts_c_init_t * p_gatts_c_init);
/**@brief Function for enabling remote indication.
*
* @param[in,out] p_gatts_c Pointer to the Service Changed Client structure.
* @param[in] enable True to enable Service Changed remote indication; false to disable.
*
* @retval NRF_SUCCESS Operation success.
* @retval err_code Otherwise, this API propagates the error code
* returned by function @ref nrf_ble_gq_item_add.
*/
ret_code_t nrf_ble_gatts_c_enable_indication(nrf_ble_gatts_c_t * p_gatts_c,
bool enable);
/**@brief Function for handling events from the Database Discovery module.
*
* @details This function handles an event from the Database Discovery module, and determines
* whether it relates to the discovery of Service Changed characteristics at the peer. If it does,
* the function calls the application's event handler to indicate that the Service Changed
* characteristic has been discovered at the peer.
*
* @param[in,out] p_gatts_c Pointer to the GATT Service Client structure instance.
* @param[in] p_evt Pointer to the event received from the Database Discovery module.
*/
void nrf_ble_gatts_c_on_db_disc_evt(nrf_ble_gatts_c_t const * p_gatts_c,
ble_db_discovery_evt_t * p_evt);
/**@brief Function for handling BLE events.
*
* @param[in] p_ble_evt Event received from the BLE stack.
* @param[in] p_context Context.
*/
void nrf_ble_gatts_c_on_ble_evt(ble_evt_t const * p_ble_evt,
void * p_context);
/**@brief Function for assigning handles to a GATT Service Client instance.
*
* @details Call this function when a link has been established with a peer to
* associate the link to an instance of the module. This makes it
* possible to handle several links and associate each link with a particular
* instance of the GATT Service Client module. The connection handle and attribute
* handles will be provided from the discovery event
* @ref NRF_BLE_GATTS_C_EVT_DISCOVERY_COMPLETE.
*
* @param[in,out] p_gatts_c Pointer to the GATT Service Client structure instance for
* associating the link.
* @param[in] conn_handle Connection handle to be associated with the given
* GATT Service Client instance.
* @param[in] p_peer_handles Attribute handles on the GATT Service server that you want this
* GATT Service Client to interact with.
*
* @retval NRF_SUCCESS If the connection handle was successfully stored in the GATT Service instance.
* @retval NRF_ERROR_NULL If any of the input parameters are NULL.
* @retval err_code Otherwise, this API propagates the error code returned by function
* @ref nrf_ble_gq_item_add.
*/
ret_code_t nrf_ble_gatts_c_handles_assign(nrf_ble_gatts_c_t * p_gatts_c,
uint16_t conn_handle,
ble_gatt_db_char_t const * p_peer_handles);
#ifdef __cplusplus
}
#endif
#endif // NRF_BLE_GATTS_C_H__
/** @} */