mirror of
https://github.com/jam422470459/EPD-nRF52-hema213.git
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move components to SDK dir
This commit is contained in:
Shuanglei Tao
303
SDK/12.3.0_d7731ad/components/ble/nrf_ble_gatt/nrf_ble_gatt.c
Normal file
303
SDK/12.3.0_d7731ad/components/ble/nrf_ble_gatt/nrf_ble_gatt.c
Normal file
@@ -0,0 +1,303 @@
|
||||
/**
|
||||
* Copyright (c) 2016 - 2017, 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_config.h"
|
||||
#if NRF_BLE_GATT_ENABLED
|
||||
#include "nrf_ble_gatt.h"
|
||||
#include "ble_srv_common.h"
|
||||
#include "sdk_common.h"
|
||||
#include "app_error.h"
|
||||
#include "sdk_macros.h"
|
||||
#define NRF_LOG_MODULE_NAME "BLE_GATT"
|
||||
#include "nrf_log.h"
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||||
|
||||
|
||||
#if (NRF_SD_BLE_API_VERSION == 3)
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||||
/**@brief Handle a connected event.
|
||||
*
|
||||
* @param[in] p_gatt GATT structure.
|
||||
* @param[in] p_ble_evt Event received from the BLE stack.
|
||||
*/
|
||||
void on_connected_evt(nrf_ble_gatt_t * p_gatt, ble_evt_t * p_ble_evt)
|
||||
{
|
||||
ret_code_t err_code;
|
||||
uint16_t conn_handle = p_ble_evt->evt.common_evt.conn_handle;
|
||||
|
||||
if(p_ble_evt->evt.gap_evt.params.connected.role == BLE_GAP_ROLE_PERIPH)
|
||||
{
|
||||
p_gatt->links[conn_handle].att_mtu_desired = p_gatt->att_mtu_desired_periph;
|
||||
}
|
||||
if (p_ble_evt->evt.gap_evt.params.connected.role == BLE_GAP_ROLE_CENTRAL)
|
||||
{
|
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p_gatt->links[conn_handle].att_mtu_desired = p_gatt->att_mtu_desired_central;
|
||||
}
|
||||
if (p_gatt->links[conn_handle].att_mtu_desired > GATT_MTU_SIZE_DEFAULT)
|
||||
{
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||||
err_code = sd_ble_gattc_exchange_mtu_request(conn_handle,
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p_gatt->links[conn_handle].att_mtu_desired);
|
||||
if (err_code == NRF_ERROR_BUSY)
|
||||
{
|
||||
NRF_LOG_DEBUG("exchange_mtu_request for conn_handle %d returned busy, will retry\r\n",
|
||||
conn_handle);
|
||||
p_gatt->links[conn_handle].is_request_pending = true;
|
||||
}
|
||||
if (err_code == NRF_SUCCESS)
|
||||
{
|
||||
NRF_LOG_INFO("request ATT MTU %d for conn_handle %d \r\n",
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||||
p_gatt->links[conn_handle].att_mtu_desired, conn_handle);
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif //(NRF_SD_BLE_API_VERSION == 3)
|
||||
|
||||
|
||||
#if (NRF_SD_BLE_API_VERSION == 3)
|
||||
/**@brief Handle a EXCHANGE_MTU_RSP event.
|
||||
*
|
||||
* @param[in] p_gatt GATT structure.
|
||||
* @param[in] p_ble_evt Event received from the BLE stack.
|
||||
*/
|
||||
void on_exchange_mtu_rsp_evt(nrf_ble_gatt_t * p_gatt, ble_evt_t * p_ble_evt)
|
||||
{
|
||||
uint16_t conn_handle = p_ble_evt->evt.common_evt.conn_handle;
|
||||
uint16_t server_rx_mtu = p_ble_evt->evt.gattc_evt.params.exchange_mtu_rsp.server_rx_mtu;
|
||||
|
||||
p_gatt->links[conn_handle].att_mtu_effective = MIN(server_rx_mtu,
|
||||
p_gatt->links[conn_handle].att_mtu_desired);
|
||||
if (p_gatt->links[conn_handle].att_mtu_effective < GATT_MTU_SIZE_DEFAULT)
|
||||
{
|
||||
p_gatt->links[conn_handle].att_mtu_effective = GATT_MTU_SIZE_DEFAULT;
|
||||
}
|
||||
NRF_LOG_INFO("EXCHANGE_MTU_RSP effective ATT MTU is %d for conn_handle %d \r\n",
|
||||
p_gatt->links[conn_handle].att_mtu_effective, conn_handle);
|
||||
/*trigger an event indicating that the ATT MTU size has changed to m_effective_att_mtu*/
|
||||
if(p_gatt->evt_handler != NULL)
|
||||
{
|
||||
nrf_ble_gatt_evt_t evt;
|
||||
evt.conn_handle = conn_handle;
|
||||
evt.att_mtu_effective = p_gatt->links[conn_handle].att_mtu_effective;
|
||||
p_gatt->evt_handler(p_gatt, &evt);
|
||||
}
|
||||
p_gatt->links[conn_handle].is_request_pending = false;
|
||||
}
|
||||
#endif //(NRF_SD_BLE_API_VERSION == 3)
|
||||
|
||||
|
||||
#if (NRF_SD_BLE_API_VERSION == 3)
|
||||
/**@brief Handle a EXCHANGE_MTU_REQUEST event.
|
||||
*
|
||||
* @param[in] p_gatt GATT structure.
|
||||
* @param[in] p_ble_evt Event received from the BLE stack.
|
||||
*/
|
||||
void on_exchange_mtu_request_evt(nrf_ble_gatt_t * p_gatt, ble_evt_t * p_ble_evt)
|
||||
{
|
||||
ret_code_t err_code;
|
||||
uint16_t conn_handle = p_ble_evt->evt.common_evt.conn_handle;
|
||||
uint16_t clt_mtu = p_ble_evt->evt.gatts_evt.params.exchange_mtu_request.client_rx_mtu;
|
||||
|
||||
if (clt_mtu < GATT_MTU_SIZE_DEFAULT)
|
||||
{
|
||||
clt_mtu = GATT_MTU_SIZE_DEFAULT;
|
||||
}
|
||||
err_code = sd_ble_gatts_exchange_mtu_reply(p_ble_evt->evt.gatts_evt.conn_handle,
|
||||
p_gatt->links[conn_handle].att_mtu_desired);
|
||||
APP_ERROR_CHECK(err_code);
|
||||
p_gatt->links[conn_handle].att_mtu_effective = MIN(clt_mtu,
|
||||
p_gatt->links[conn_handle].att_mtu_desired);
|
||||
NRF_LOG_INFO("EXCHANGE_MTU_REQUEST effective ATT MTU is %d for conn_handle %d \r\n",
|
||||
p_gatt->links[conn_handle].att_mtu_desired, conn_handle);
|
||||
/*trigger an event indicating that the ATT MTU size has changed to m_effective_att_mtu*/
|
||||
if(p_gatt->evt_handler != NULL)
|
||||
{
|
||||
nrf_ble_gatt_evt_t evt;
|
||||
evt.conn_handle = conn_handle;
|
||||
evt.att_mtu_effective = p_gatt->links[conn_handle].att_mtu_effective;
|
||||
p_gatt->evt_handler(p_gatt, &evt);
|
||||
}
|
||||
p_gatt->links[conn_handle].is_request_pending = false;
|
||||
}
|
||||
#endif //(NRF_SD_BLE_API_VERSION == 3)
|
||||
|
||||
|
||||
#if (NRF_SD_BLE_API_VERSION == 3)
|
||||
/**@brief Handle a DATA_LENGTH_CHANGED event.
|
||||
*
|
||||
* @param[in] p_gatt GATT structure.
|
||||
* @param[in] p_ble_evt Event received from the BLE stack.
|
||||
*/
|
||||
void on_data_length_changed_evt(nrf_ble_gatt_t * p_gatt, ble_evt_t * p_ble_evt)
|
||||
{
|
||||
uint16_t conn_handle = p_ble_evt->evt.common_evt.conn_handle;
|
||||
|
||||
NRF_LOG_INFO("Data Length Extended (DLE) for conn_handle %d \r\n", conn_handle);
|
||||
NRF_LOG_DEBUG("max_rx_octets %d \r\n",
|
||||
p_ble_evt->evt.common_evt.params.data_length_changed.max_rx_octets);
|
||||
NRF_LOG_DEBUG("max_rx_time %d \r\n",
|
||||
p_ble_evt->evt.common_evt.params.data_length_changed.max_rx_time);
|
||||
NRF_LOG_DEBUG("max_tx_octets %d \r\n",
|
||||
p_ble_evt->evt.common_evt.params.data_length_changed.max_tx_octets);
|
||||
NRF_LOG_DEBUG("max_tx_time %d \r\n",
|
||||
p_ble_evt->evt.common_evt.params.data_length_changed.max_tx_time);
|
||||
}
|
||||
#endif //(NRF_SD_BLE_API_VERSION == 3)
|
||||
|
||||
|
||||
ret_code_t nrf_ble_gatt_init(nrf_ble_gatt_t * p_gatt, nrf_ble_gatt_evt_handler_t evt_handler)
|
||||
{
|
||||
#if (NRF_SD_BLE_API_VERSION == 3)
|
||||
VERIFY_PARAM_NOT_NULL(p_gatt);
|
||||
p_gatt->att_mtu_desired_periph = NRF_BLE_GATT_MAX_MTU_SIZE;
|
||||
p_gatt->att_mtu_desired_central = NRF_BLE_GATT_MAX_MTU_SIZE;
|
||||
for (uint8_t i = 0; i < NRF_BLE_GATT_LINK_COUNT; i++)
|
||||
{
|
||||
p_gatt->links[i].att_mtu_desired = NRF_BLE_GATT_MAX_MTU_SIZE;
|
||||
p_gatt->links[i].att_mtu_effective = GATT_MTU_SIZE_DEFAULT;
|
||||
p_gatt->links[i].is_request_pending = false;
|
||||
}
|
||||
p_gatt->evt_handler = evt_handler;
|
||||
#endif
|
||||
return NRF_SUCCESS;
|
||||
}
|
||||
|
||||
|
||||
ret_code_t nrf_ble_gatt_att_mtu_periph_set(nrf_ble_gatt_t * p_gatt, uint16_t desired_mtu)
|
||||
{
|
||||
#if (NRF_SD_BLE_API_VERSION == 3)
|
||||
VERIFY_PARAM_NOT_NULL(p_gatt);
|
||||
|
||||
if ((desired_mtu < GATT_MTU_SIZE_DEFAULT)
|
||||
||(desired_mtu > NRF_BLE_GATT_MAX_MTU_SIZE))
|
||||
{
|
||||
return NRF_ERROR_INVALID_PARAM;
|
||||
}
|
||||
p_gatt->att_mtu_desired_periph = desired_mtu;
|
||||
return NRF_SUCCESS;
|
||||
#endif
|
||||
#if (NRF_SD_BLE_API_VERSION == 2)
|
||||
return NRF_ERROR_NOT_SUPPORTED;
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
ret_code_t nrf_ble_gatt_att_mtu_central_set(nrf_ble_gatt_t * p_gatt, uint16_t desired_mtu)
|
||||
{
|
||||
#if (NRF_SD_BLE_API_VERSION == 3)
|
||||
VERIFY_PARAM_NOT_NULL(p_gatt);
|
||||
|
||||
if ((desired_mtu < GATT_MTU_SIZE_DEFAULT)
|
||||
||(desired_mtu > NRF_BLE_GATT_MAX_MTU_SIZE))
|
||||
{
|
||||
return NRF_ERROR_INVALID_PARAM;
|
||||
}
|
||||
|
||||
p_gatt->att_mtu_desired_central = desired_mtu;
|
||||
return NRF_SUCCESS;
|
||||
#endif
|
||||
#if (NRF_SD_BLE_API_VERSION == 2)
|
||||
return NRF_ERROR_NOT_SUPPORTED;
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
uint16_t nrf_ble_gatt_eff_mtu_get(nrf_ble_gatt_t * p_gatt, uint16_t conn_handle)
|
||||
{
|
||||
#if (NRF_SD_BLE_API_VERSION == 3)
|
||||
if ((p_gatt == NULL)||(conn_handle >= NRF_BLE_GATT_LINK_COUNT))
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
return p_gatt->links[conn_handle].att_mtu_effective;
|
||||
#endif
|
||||
#if (NRF_SD_BLE_API_VERSION == 2)
|
||||
return GATT_MTU_SIZE_DEFAULT;
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
void nrf_ble_gatt_on_ble_evt(nrf_ble_gatt_t * p_gatt, ble_evt_t * p_ble_evt)
|
||||
{
|
||||
#if (NRF_SD_BLE_API_VERSION == 3)
|
||||
uint16_t conn_handle = p_ble_evt->evt.common_evt.conn_handle;
|
||||
if (conn_handle >= NRF_BLE_GATT_LINK_COUNT)
|
||||
{
|
||||
return;
|
||||
}
|
||||
switch (p_ble_evt->header.evt_id)
|
||||
{
|
||||
case BLE_GAP_EVT_CONNECTED:
|
||||
on_connected_evt(p_gatt, p_ble_evt);
|
||||
break; // BLE_GAP_EVT_CONNECTED
|
||||
|
||||
case BLE_GATTC_EVT_EXCHANGE_MTU_RSP:
|
||||
on_exchange_mtu_rsp_evt(p_gatt, p_ble_evt);
|
||||
break; // BLE_GATTC_EVT_EXCHANGE_MTU_RSP
|
||||
|
||||
case BLE_GATTS_EVT_EXCHANGE_MTU_REQUEST:
|
||||
on_exchange_mtu_request_evt(p_gatt, p_ble_evt);
|
||||
break; // BLE_GATTS_EVT_EXCHANGE_MTU_REQUEST
|
||||
|
||||
case BLE_EVT_DATA_LENGTH_CHANGED :
|
||||
on_data_length_changed_evt(p_gatt, p_ble_evt);
|
||||
break; // BLE_EVT_DATA_LENGTH_CHANGED
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
if (p_gatt->links[conn_handle].is_request_pending)
|
||||
{
|
||||
ret_code_t err_code;
|
||||
p_gatt->links[conn_handle].is_request_pending = false;
|
||||
err_code = sd_ble_gattc_exchange_mtu_request(conn_handle,
|
||||
p_gatt->links[conn_handle].att_mtu_desired);
|
||||
if (err_code == NRF_ERROR_BUSY)
|
||||
{
|
||||
p_gatt->links[conn_handle].is_request_pending = true;
|
||||
}
|
||||
if (err_code == NRF_SUCCESS)
|
||||
{
|
||||
NRF_LOG_INFO("sent pending request ATT MTU %d for conn_handle %d \r\n",
|
||||
p_gatt->links[conn_handle].att_mtu_desired, conn_handle);
|
||||
}
|
||||
}
|
||||
#endif //(NRF_SD_BLE_API_VERSION == 3)
|
||||
}
|
||||
|
||||
#endif //NRF_BLE_GATT_ENABLED
|
||||
197
SDK/12.3.0_d7731ad/components/ble/nrf_ble_gatt/nrf_ble_gatt.h
Normal file
197
SDK/12.3.0_d7731ad/components/ble/nrf_ble_gatt/nrf_ble_gatt.h
Normal file
@@ -0,0 +1,197 @@
|
||||
/**
|
||||
* Copyright (c) 2016 - 2017, 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_gatt GATT module
|
||||
* @{
|
||||
* @ingroup ble_sdk_lib
|
||||
* @brief Module for negotiating and keeping track of the maximum ATT_MTU size.
|
||||
*/
|
||||
|
||||
#ifndef NRF_BLE_GATT_H__
|
||||
#define NRF_BLE_GATT_H__
|
||||
|
||||
#include <stdint.h>
|
||||
#include <stdbool.h>
|
||||
#include <string.h>
|
||||
#include "ble.h"
|
||||
#include "app_util.h"
|
||||
#include "sdk_errors.h"
|
||||
#include "sdk_config.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/** @brief Default maximum ATT_MTU size.
|
||||
*
|
||||
* This define specifies a fallback value for the case where
|
||||
* NRF_BLE_GATT_MAX_MTU_SIZE is not set in the @ref nrf_ble_gatt_config.
|
||||
*/
|
||||
#ifndef NRF_BLE_GATT_MAX_MTU_SIZE
|
||||
#define NRF_BLE_GATT_MAX_MTU_SIZE GATT_MTU_SIZE_DEFAULT
|
||||
#endif
|
||||
|
||||
|
||||
/** @brief Default maximum number of peripheral links.
|
||||
*
|
||||
* To override this default value, define the maximum number of peripheral
|
||||
* links in your module.
|
||||
*/
|
||||
#ifndef NRF_BLE_CENTRAL_LINK_COUNT
|
||||
#define NRF_BLE_CENTRAL_LINK_COUNT 1
|
||||
#endif
|
||||
|
||||
/** @brief Default maximum number of central links.
|
||||
*
|
||||
* To override this default value, define the maximum number of central
|
||||
* links in your module.
|
||||
*/
|
||||
#ifndef NRF_BLE_PERIPHERAL_LINK_COUNT
|
||||
#define NRF_BLE_PERIPHERAL_LINK_COUNT 1
|
||||
#endif
|
||||
|
||||
/** @brief The maximum number of peripheral and central links combined. */
|
||||
#define NRF_BLE_GATT_LINK_COUNT (NRF_BLE_PERIPHERAL_LINK_COUNT + NRF_BLE_CENTRAL_LINK_COUNT)
|
||||
|
||||
|
||||
/**@brief GATT module event. */
|
||||
typedef struct
|
||||
{
|
||||
uint16_t conn_handle; //!< Connection handle on which the event happened.
|
||||
uint16_t att_mtu_effective; //!< Effective MTU after the event.
|
||||
}nrf_ble_gatt_evt_t;
|
||||
|
||||
|
||||
// Forward declaration of the nrf_ble_gatt_t type.
|
||||
typedef struct nrf_ble_gatt_s nrf_ble_gatt_t;
|
||||
|
||||
/**@brief GATT module event handler type.
|
||||
*
|
||||
* The GATT module calls a function of this type when the ATT_MTU value is changed.
|
||||
*/
|
||||
typedef void (*nrf_ble_gatt_evt_handler_t) (nrf_ble_gatt_t * p_gatt, nrf_ble_gatt_evt_t * p_evt);
|
||||
|
||||
/**@brief GATT information for each link. */
|
||||
typedef struct
|
||||
{
|
||||
uint16_t att_mtu_desired; //!< Requested ATT_MTU size for the link.
|
||||
uint16_t att_mtu_effective; //!< Effective ATT_MTU size for the link.
|
||||
bool is_request_pending; //!< Flag that indicates if a request to extend the MTU size is pending for the link (if the call to @ref sd_ble_gattc_exchange_mtu_request returned @ref NRF_ERROR_BUSY).
|
||||
}nrf_ble_gatt_link_t;
|
||||
|
||||
|
||||
/**@brief GATT structure that contains status information for the GATT module. */
|
||||
struct nrf_ble_gatt_s
|
||||
{
|
||||
uint16_t att_mtu_desired_periph; //!< Requested ATT_MTU size for the next peripheral link that is established.
|
||||
uint16_t att_mtu_desired_central; //!< Requested ATT_MTU size for the next central link that is established.
|
||||
nrf_ble_gatt_link_t links[NRF_BLE_GATT_LINK_COUNT]; //!< GATT related information for all active links.
|
||||
nrf_ble_gatt_evt_handler_t evt_handler; //!< GATT event handler.
|
||||
};
|
||||
|
||||
|
||||
/**@brief Function for initializing the GATT module.
|
||||
*
|
||||
* @param[in] evt_handler Event handler.
|
||||
* @param[out] p_gatt Pointer to the GATT structure.
|
||||
*
|
||||
* @retval NRF_SUCCESS If the operation was successful.
|
||||
* @retval NRF_ERROR_NULL If the pointer to @p p_gatt is NULL.
|
||||
*
|
||||
*/
|
||||
ret_code_t nrf_ble_gatt_init(nrf_ble_gatt_t * p_gatt, nrf_ble_gatt_evt_handler_t evt_handler);
|
||||
|
||||
|
||||
/**@brief Function for setting the ATT_MTU size for the next link that is established as peripheral.
|
||||
*
|
||||
* @param[in] p_gatt Pointer to the GATT structure.
|
||||
* @param[in] desired_mtu Requested ATT_MTU size.
|
||||
*
|
||||
* @retval NRF_SUCCESS If the operation was successful.
|
||||
* @retval NRF_ERROR_NULL If the pointer to @p p_gatt is NULL.
|
||||
* @retval NRF_ERROR_INVALID_PARAM If the size of @p desired_mtu is bigger than @ref NRF_BLE_GATT_MAX_MTU_SIZE or smaller than @ref GATT_MTU_SIZE_DEFAULT.
|
||||
*
|
||||
*/
|
||||
ret_code_t nrf_ble_gatt_att_mtu_periph_set(nrf_ble_gatt_t * p_gatt, uint16_t desired_mtu);
|
||||
|
||||
|
||||
/**@brief Function for setting the ATT_MTU size for the next link that is established as central.
|
||||
*
|
||||
* @param[in] p_gatt Pointer to the GATT structure.
|
||||
* @param[in] desired_mtu Requested ATT_MTU size.
|
||||
*
|
||||
* @retval NRF_SUCCESS If the operation was successful.
|
||||
* @retval NRF_ERROR_NULL If the pointer to @p p_gatt is NULL.
|
||||
* @retval NRF_ERROR_INVALID_PARAM If the size of @p desired_mtu is bigger than @ref NRF_BLE_GATT_MAX_MTU_SIZE or smaller than @ref GATT_MTU_SIZE_DEFAULT.
|
||||
*
|
||||
*/
|
||||
ret_code_t nrf_ble_gatt_att_mtu_central_set(nrf_ble_gatt_t * p_gatt, uint16_t desired_mtu);
|
||||
|
||||
|
||||
/**@brief Function for handling BLE stack events.
|
||||
*
|
||||
* @details This function handles all events from the BLE stack that are of interest to the GATT module.
|
||||
*
|
||||
* @param[in] p_gatt Pointer to the GATT structure.
|
||||
* @param[in] p_ble_evt Event received from the BLE stack.
|
||||
*/
|
||||
void nrf_ble_gatt_on_ble_evt(nrf_ble_gatt_t * p_gatt, ble_evt_t * p_ble_evt);
|
||||
|
||||
|
||||
/**@brief Function for getting the current ATT_MTU size for a connection handle.
|
||||
*
|
||||
* @param[in] p_gatt Pointer to the GATT structure.
|
||||
* @param[in] conn_handle Connection handle of the link.
|
||||
*
|
||||
* @return ATT_MTU size for the given link.
|
||||
* @retval 0 If the pointer to @p p_gatt is NULL or if @p conn_handle is larger than the supported maximum number of connections.
|
||||
*
|
||||
*/
|
||||
uint16_t nrf_ble_gatt_eff_mtu_get(nrf_ble_gatt_t * p_gatt, uint16_t conn_handle);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif // NRF_BLE_GATT_H__
|
||||
|
||||
/** @} */
|
||||
Reference in New Issue
Block a user