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move components to SDK dir

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Shuanglei Tao
2025-03-03 09:06:26 +08:00
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SDK/12.3.0_d7731ad/components/ble/nrf_ble_qwr/nrf_ble_qwr.c Normal file
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/**
* 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_common.h"
#if NRF_MODULE_ENABLED(NRF_BLE_QWR)
#include <stdlib.h>
#include "nrf_ble_qwr.h"
#include "ble.h"
#include "ble_srv_common.h"
#define NRF_BLE_QWR_INITIALIZED 0xDE // Non-zero value used to make sure the given structure has been initialized by the module.
#define MODULE_INITIALIZED (p_qwr->initialized == NRF_BLE_QWR_INITIALIZED)
#include "sdk_macros.h"
ret_code_t nrf_ble_qwr_init(nrf_ble_qwr_t * p_qwr,
nrf_ble_qwr_init_t const * p_qwr_init)
{
VERIFY_PARAM_NOT_NULL(p_qwr);
VERIFY_PARAM_NOT_NULL(p_qwr_init);
if (MODULE_INITIALIZED)
{
return NRF_ERROR_INVALID_STATE;
}
memset(p_qwr->attr_handles, 0, sizeof(p_qwr->attr_handles));
p_qwr->nb_registered_attr = 0;
p_qwr->error_handler = p_qwr_init->error_handler;
p_qwr->is_user_mem_reply_pending = false;
p_qwr->conn_handle = BLE_CONN_HANDLE_INVALID;
p_qwr->initialized = NRF_BLE_QWR_INITIALIZED;
p_qwr->mem_buffer = p_qwr_init->mem_buffer;
p_qwr->callback = p_qwr_init->callback;
p_qwr->nb_written_handles = 0;
return NRF_SUCCESS;
}
ret_code_t nrf_ble_qwr_attr_register(nrf_ble_qwr_t * p_qwr, uint16_t attr_handle)
{
VERIFY_PARAM_NOT_NULL(p_qwr);
VERIFY_MODULE_INITIALIZED();
if (p_qwr->nb_registered_attr == NRF_BLE_QWR_ATTR_LIST_SIZE)
{
return (NRF_ERROR_NO_MEM);
}
if (attr_handle == BLE_GATT_HANDLE_INVALID)
{
return NRF_ERROR_INVALID_PARAM;
}
p_qwr->attr_handles[p_qwr->nb_registered_attr] = attr_handle;
p_qwr->nb_registered_attr++;
return NRF_SUCCESS;
}
ret_code_t nrf_ble_qwr_value_get(nrf_ble_qwr_t * p_qwr,
uint16_t attr_handle,
uint8_t * p_mem,
uint16_t * p_len)
{
VERIFY_PARAM_NOT_NULL(p_qwr);
VERIFY_PARAM_NOT_NULL(p_mem);
VERIFY_PARAM_NOT_NULL(p_len);
VERIFY_MODULE_INITIALIZED();
uint16_t i = 0;
uint16_t handle = BLE_GATT_HANDLE_INVALID;
uint16_t val_len = 0;
uint16_t val_offset = 0;
uint16_t cur_len = 0;
do
{
handle = uint16_decode(&(p_qwr->mem_buffer.p_mem[i]));
if (handle == BLE_GATT_HANDLE_INVALID)
{
break;
}
i += sizeof(uint16_t);
val_offset = uint16_decode(&(p_qwr->mem_buffer.p_mem[i]));
i += sizeof(uint16_t);
val_len = uint16_decode(&(p_qwr->mem_buffer.p_mem[i]));
i += sizeof(uint16_t);
if (handle == attr_handle)
{
cur_len = val_offset + val_len;
if (cur_len <= *p_len)
{
memcpy((p_mem + val_offset), &(p_qwr->mem_buffer.p_mem[i]), val_len);
}
else
{
return NRF_ERROR_NO_MEM;
}
}
i += val_len;
}
while (i < p_qwr->mem_buffer.len);
*p_len = cur_len;
return NRF_SUCCESS;
}
ret_code_t nrf_ble_qwr_conn_handle_assign(nrf_ble_qwr_t * p_qwr,
uint16_t conn_handle)
{
VERIFY_PARAM_NOT_NULL(p_qwr);
VERIFY_MODULE_INITIALIZED();
p_qwr->conn_handle = conn_handle;
return NRF_SUCCESS;
}
/**@brief Handle a user memory request event.
*
* @param[in] p_qwr QWR structure.
* @param[in] p_common_evt User_mem_request event to be handled.
*/
static void on_user_mem_request(nrf_ble_qwr_t * p_qwr,
ble_common_evt_t const * p_common_evt)
{
if (p_common_evt->conn_handle == p_qwr->conn_handle)
{
uint32_t err_code = sd_ble_user_mem_reply(p_common_evt->conn_handle, &p_qwr->mem_buffer);
if (err_code == NRF_SUCCESS)
{
p_qwr->is_user_mem_reply_pending = false;
}
else if (err_code == NRF_ERROR_BUSY)
{
p_qwr->is_user_mem_reply_pending = true;
}
else
{
p_qwr->error_handler(err_code);
}
}
}
/**@brief Handle a prepare write event.
*
* @param[in] p_qwr QWR structure.
* @param[in] p_evt_write WRITE event to be handled.
*/
static void on_prepare_write(nrf_ble_qwr_t * p_qwr,
ble_gatts_evt_write_t const * p_evt_write)
{
uint32_t err_code;
ble_gatts_rw_authorize_reply_params_t auth_reply;
memset(&auth_reply, 0, sizeof(auth_reply));
auth_reply.params.write.gatt_status = NRF_BLE_QWR_REJ_REQUEST_ERR_CODE;
auth_reply.type = BLE_GATTS_AUTHORIZE_TYPE_WRITE;
uint32_t i;
for (i = 0; i < p_qwr->nb_written_handles; i++)
{
if (p_qwr->written_attr_handles[i] == p_evt_write->handle)
{
auth_reply.params.write.gatt_status = BLE_GATT_STATUS_SUCCESS;
break;
}
}
if (auth_reply.params.write.gatt_status != BLE_GATT_STATUS_SUCCESS)
{
for (i = 0; i < p_qwr->nb_registered_attr; i++)
{
if (p_qwr->attr_handles[i] == p_evt_write->handle)
{
auth_reply.params.write.gatt_status = BLE_GATT_STATUS_SUCCESS;
p_qwr->written_attr_handles[p_qwr->nb_written_handles++] = p_evt_write->handle;
break;
}
}
}
err_code = sd_ble_gatts_rw_authorize_reply(p_qwr->conn_handle, &auth_reply);
if (err_code != NRF_SUCCESS)
{
// Cancel the current operation.
p_qwr->nb_written_handles = 0;
// Report error to application.
p_qwr->error_handler(err_code);
}
}
/**@brief Handle an execute write event.
*
* @param[in] p_qwr QWR structure.
* @param[in] p_evt_write EXEC WRITE event to be handled.
*/
static void on_execute_write(nrf_ble_qwr_t * p_qwr,
ble_gatts_evt_write_t const * p_evt_write)
{
uint32_t err_code;
ble_gatts_rw_authorize_reply_params_t auth_reply;
memset(&auth_reply, 0, sizeof(auth_reply));
auth_reply.params.write.gatt_status = BLE_GATT_STATUS_SUCCESS;
auth_reply.type = BLE_GATTS_AUTHORIZE_TYPE_WRITE;
if (p_qwr->nb_written_handles == 0)
{
auth_reply.params.write.gatt_status = NRF_BLE_QWR_REJ_REQUEST_ERR_CODE;
err_code = sd_ble_gatts_rw_authorize_reply(p_qwr->conn_handle, &auth_reply);
if (err_code != NRF_SUCCESS)
{
// Report error to application.
p_qwr->error_handler(err_code);
}
return;
}
for (uint16_t i = 0; i < p_qwr->nb_written_handles; i++)
{
nrf_ble_qwr_evt_t evt;
uint16_t ret_val;
evt.evt_type = NRF_BLE_QWR_EVT_AUTH_REQUEST;
evt.attr_handle = p_qwr->written_attr_handles[i];
ret_val = p_qwr->callback(p_qwr, &evt);
if (ret_val != BLE_GATT_STATUS_SUCCESS)
{
auth_reply.params.write.gatt_status = ret_val;
}
}
err_code = sd_ble_gatts_rw_authorize_reply(p_qwr->conn_handle, &auth_reply);
if (err_code != NRF_SUCCESS)
{
// Report error to application.
p_qwr->error_handler(err_code);
}
// If the execute has not been rejected by any of the registered applications, propagate execute write event to all written handles. */
if (auth_reply.params.write.gatt_status == BLE_GATT_STATUS_SUCCESS)
{
for (uint16_t i = 0; i < p_qwr->nb_written_handles; i++)
{
nrf_ble_qwr_evt_t evt;
evt.evt_type = NRF_BLE_QWR_EVT_EXECUTE_WRITE;
evt.attr_handle = p_qwr->written_attr_handles[i];
/*lint -e534 -save "Ignoring return value of function" */
p_qwr->callback(p_qwr, &evt);
/*lint -restore*/
auth_reply.params.write.gatt_status = BLE_GATT_STATUS_SUCCESS;
}
}
p_qwr->nb_written_handles = 0;
}
/**@brief Handle a cancel write event.
*
* @param[in] p_qwr QWR structure.
* @param[in] p_evt_write EXEC WRITE event to be handled.
*/
static void on_cancel_write(nrf_ble_qwr_t * p_qwr,
ble_gatts_evt_write_t const * p_evt_write)
{
uint32_t err_code;
ble_gatts_rw_authorize_reply_params_t auth_reply;
memset(&auth_reply, 0, sizeof(auth_reply));
auth_reply.type = BLE_GATTS_AUTHORIZE_TYPE_WRITE;
auth_reply.params.write.gatt_status = BLE_GATT_STATUS_SUCCESS;
err_code = sd_ble_gatts_rw_authorize_reply(p_qwr->conn_handle, &auth_reply);
if (err_code != NRF_SUCCESS)
{
// Report error to application.
p_qwr->error_handler(err_code);
}
p_qwr->nb_written_handles = 0;
}
/**@brief Handle a rw_authorize_request event.
*
* @param[in] p_qwr QWR structure.
* @param[in] p_gatts_evt RW_authorize_request event to be handled.
*/
static void on_rw_authorize_request(nrf_ble_qwr_t * p_qwr,
ble_gatts_evt_t const * p_gatts_evt)
{
if (p_gatts_evt->conn_handle != p_qwr->conn_handle)
{
return;
}
ble_gatts_evt_rw_authorize_request_t const * p_auth_req = &p_gatts_evt->params.authorize_request;
if (p_auth_req->type != BLE_GATTS_AUTHORIZE_TYPE_WRITE)
{
return;
}
switch (p_auth_req->request.write.op)
{
case BLE_GATTS_OP_PREP_WRITE_REQ:
on_prepare_write(p_qwr, &p_auth_req->request.write);
break; // BLE_GATTS_OP_PREP_WRITE_REQ
case BLE_GATTS_OP_EXEC_WRITE_REQ_NOW:
on_execute_write(p_qwr, &p_auth_req->request.write);
break; // BLE_GATTS_OP_EXEC_WRITE_REQ_NOW
case BLE_GATTS_OP_EXEC_WRITE_REQ_CANCEL:
on_cancel_write(p_qwr, &p_auth_req->request.write);
break; // BLE_GATTS_OP_EXEC_WRITE_REQ_CANCEL
default:
// No implementation needed.
break;
}
}
void nrf_ble_qwr_on_ble_evt(nrf_ble_qwr_t * p_qwr,
ble_evt_t * p_ble_evt)
{
VERIFY_PARAM_NOT_NULL_VOID(p_qwr);
VERIFY_PARAM_NOT_NULL_VOID(p_ble_evt);
VERIFY_MODULE_INITIALIZED_VOID();
if (p_qwr->is_user_mem_reply_pending)
{
on_user_mem_request(p_qwr, &p_ble_evt->evt.common_evt);
}
switch (p_ble_evt->header.evt_id)
{
case BLE_EVT_USER_MEM_REQUEST:
on_user_mem_request(p_qwr, &p_ble_evt->evt.common_evt);
break; // BLE_EVT_USER_MEM_REQUEST
case BLE_GATTS_EVT_RW_AUTHORIZE_REQUEST:
on_rw_authorize_request(p_qwr, &p_ble_evt->evt.gatts_evt);
break; // BLE_GATTS_EVT_RW_AUTHORIZE_REQUEST
case BLE_GAP_EVT_DISCONNECTED:
if (p_ble_evt->evt.gap_evt.conn_handle == p_qwr->conn_handle)
{
p_qwr->conn_handle = BLE_CONN_HANDLE_INVALID;
p_qwr->nb_written_handles = 0;
}
break; // BLE_GAP_EVT_DISCONNECTED
default:
break;
}
}
#endif // NRF_MODULE_ENABLED(NRF_BLE_QWR)

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/**
* 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_qwr Queued Writes module
* @{
* @ingroup ble_sdk_lib
* @brief Module for handling Queued Write operations.
*
* @details This module handles prepare write, execute write, and cancel write
* commands. It also manages memory requests related to these operations.
*
* @note The application must propagate BLE stack events to this module by calling
* @ref nrf_ble_qwr_on_ble_evt().
*/
#ifdef __cplusplus
extern "C" {
#endif
#ifndef NRF_BLE_QUEUED_WRITES_H__
#define NRF_BLE_QUEUED_WRITES_H__
#include <stdint.h>
#include "nordic_common.h"
#include "sdk_common.h"
#include "ble.h"
#include "ble_srv_common.h"
#ifndef NRF_BLE_QWR_ATTR_LIST_SIZE
#define NRF_BLE_QWR_ATTR_LIST_SIZE 10 //!< Maximum number of attribute handles that can be registered. This number must be adjusted according to the number of attributes for which Queued Writes will be enabled.
#endif
#define NRF_BLE_QWR_REJ_REQUEST_ERR_CODE BLE_GATT_STATUS_ATTERR_APP_BEGIN + 0 //!< Error code used by the module to reject prepare write requests on non-registered attributes.
/**@brief Queued Writes module event types. */
typedef enum
{
NRF_BLE_QWR_EVT_EXECUTE_WRITE, //!< Event that indicates that an execute write command was received for a registered handle and that the received data was actually written and is now ready.
NRF_BLE_QWR_EVT_AUTH_REQUEST, //!< Event that indicates that an execute write command was received for a registered handle and that the write request must now be accepted or rejected.
} nrf_ble_qwr_evt_type_t;
/**@brief Queued Writes module events. */
typedef struct
{
nrf_ble_qwr_evt_type_t evt_type; //!< Type of the event.
uint16_t attr_handle; //!< Handle of the attribute to which the event relates.
} nrf_ble_qwr_evt_t;
// Forward declaration of the nrf_ble_qwr_t type.
struct nrf_ble_qwr_t;
/**@brief Queued Writes module event handler type.
*
* If the provided event is of type @ref NRF_BLE_QWR_EVT_AUTH_REQUEST,
* this function must accept or reject the execute write request by returning
* one of the @ref BLE_GATT_STATUS_CODES.*/
typedef uint16_t (* nrf_ble_qwr_evt_handler_t) (struct nrf_ble_qwr_t * p_qwr,
nrf_ble_qwr_evt_t * p_evt);
/**@brief Queued Writes structure.
* @details This structure contains status information for the Queued Writes module. */
typedef struct nrf_ble_qwr_t
{
uint8_t initialized; //!< Flag that indicates whether the module has been initialized.
uint16_t attr_handles[NRF_BLE_QWR_ATTR_LIST_SIZE]; //!< List of handles for registered attributes, for which the module accepts and handles prepare write operations.
uint8_t nb_registered_attr; //!< Number of registered attributes.
uint16_t written_attr_handles[NRF_BLE_QWR_ATTR_LIST_SIZE]; //!< List of attribute handles that have been written to during the current prepare write or execute write operation.
uint8_t nb_written_handles; //!< Number of attributes that have been written to during the current prepare write or execute write operation.
ble_user_mem_block_t mem_buffer; //!< Memory buffer that is provided to the SoftDevice on an ON_USER_MEM_REQUEST event.
ble_srv_error_handler_t error_handler; //!< Error handler.
bool is_user_mem_reply_pending; //!< Flag that indicates whether a mem_reply is pending (because a previous attempt returned busy).
uint16_t conn_handle; //!< Connection handle.
nrf_ble_qwr_evt_handler_t callback; //!< Event handler function that is called for events concerning the handles of all registered attributes.
} nrf_ble_qwr_t;
/**@brief Queued Writes init structure.
* @details This structure contains all information
* that is needed to initialize the Queued Writes module. */
typedef struct
{
ble_srv_error_handler_t error_handler; //!< Error handler.
ble_user_mem_block_t mem_buffer; //!< Memory buffer that is provided to the SoftDevice on an ON_USER_MEM_REQUEST event.
nrf_ble_qwr_evt_handler_t callback; //!< Event handler function that is called for events concerning the handles of all registered attributes.
} nrf_ble_qwr_init_t;
/**@brief Function for initializing the Queued Writes module.
*
* @details Call this function in the main entry of your application to
* initialize the Queued Writes module. It must be called only once with a
* given Queued Writes structure.
*
* @param[out] p_qwr Queued Writes structure. This structure must be
* supplied by the application. It is initialized by this function
* and is later used to identify the particular Queued Writes instance.
* @param[in] p_qwr_init Initialization structure.
*
* @retval NRF_SUCCESS If the Queued Writes module was initialized successfully.
* @retval NRF_ERROR_NULL If any of the given pointers is NULL.
* @retval NRF_ERROR_INVALID_STATE If the given context has already been initialized.
*/
ret_code_t nrf_ble_qwr_init(nrf_ble_qwr_t * p_qwr,
nrf_ble_qwr_init_t const * p_qwr_init);
/**@brief Function for registering an attribute with the Queued Writes module.
*
* @details Call this function for each attribute that you want to enable for
* Queued Writes (thus a series of prepare write and execute write operations).
*
* @param[in] p_qwr Queued Writes structure.
* @param[in] attr_handle Handle of the attribute to register.
*
* @retval NRF_SUCCESS If the registration was successful.
* @retval NRF_ERROR_NO_MEM If no more memory is available to add this registration.
* @retval NRF_ERROR_NULL If any of the given pointers is NULL.
* @retval NRF_ERROR_INVALID_STATE If the given context has not been initialized.
*/
ret_code_t nrf_ble_qwr_attr_register(nrf_ble_qwr_t * p_qwr, uint16_t attr_handle);
/**@brief Function for handling BLE stack events.
*
* @details Handles all events from the BLE stack that are of interest to the Queued Writes module.
*
* @param[in] p_qwr Queued Writes structure.
* @param[in] p_ble_evt Event received from the BLE stack.
*/
void nrf_ble_qwr_on_ble_evt(nrf_ble_qwr_t * p_qwr, ble_evt_t * p_ble_evt);
/**@brief Function for retrieving the received data for a given attribute.
*
* @details Call this function after receiving an @ref NRF_BLE_QWR_EVT_AUTH_REQUEST
* event to retrieve a linear copy of the data that was received for the given attribute.
*
* @param[in] p_qwr Queued Writes structure.
* @param[in] attr_handle Handle of the attribute.
* @param[out] p_mem Pointer to the application buffer where the received data will be copied.
* @param[in,out] p_len Input: length of the input buffer. Output: length of the received data.
*
*
* @retval NRF_SUCCESS If the data was retrieved and stored successfully.
* @retval NRF_ERROR_NO_MEM If the provided buffer was smaller than the received data.
* @retval NRF_ERROR_NULL If any of the given pointers is NULL.
* @retval NRF_ERROR_INVALID_STATE If the given context has not been initialized.
*/
ret_code_t nrf_ble_qwr_value_get(nrf_ble_qwr_t * p_qwr,
uint16_t attr_handle,
uint8_t * p_mem,
uint16_t * p_len);
/**@brief Function for assigning a connection handle to a given instance of the Queued Writes module.
*
* @details Call this function when a link with a peer has been established to
* associate this link to the instance of the module. This makes it
* possible to handle several links and associate each link to a particular
* instance of this module.
*
* @param[in] p_qwr Queued Writes structure.
* @param[in] conn_handle Connection handle to be associated with the given Queued Writes instance.
*
* @retval NRF_SUCCESS If the assignment was successful.
* @retval NRF_ERROR_NULL If any of the given pointers is NULL.
* @retval NRF_ERROR_INVALID_STATE If the given context has not been initialized.
*/
ret_code_t nrf_ble_qwr_conn_handle_assign(nrf_ble_qwr_t * p_qwr,
uint16_t conn_handle);
#ifdef __cplusplus
}
#endif
#endif // NRF_BLE_QUEUED_WRITES_H__
/** @} */