xiaozhengsheng 6df0f7d96e 初始版本
2025-08-19 09:49:41 +08:00

657 lines
22 KiB
C

/**
* Copyright (c) 2013 - 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.
*
*/
/* Attention!
* To maintain compliance with Nordic Semiconductor ASA's Bluetooth profile
* qualification listings, this section of source code must not be modified.
*/
#include "ble_sc_ctrlpt.h"
#include <string.h>
#include "nordic_common.h"
#include "ble.h"
#include "ble_err.h"
#include "ble_srv_common.h"
#include "app_util.h"
#define SC_CTRLPT_NACK_PROC_ALREADY_IN_PROGRESS (BLE_GATT_STATUS_ATTERR_APP_BEGIN + 0)
#define SC_CTRLPT_NACK_CCCD_IMPROPERLY_CONFIGURED (BLE_GATT_STATUS_ATTERR_APP_BEGIN + 1)
uint32_t ble_sc_ctrlpt_init(ble_sc_ctrlpt_t * p_sc_ctrlpt,
const ble_cs_ctrlpt_init_t * p_sc_ctrlpt_init)
{
if (p_sc_ctrlpt == NULL || p_sc_ctrlpt_init == NULL)
{
return NRF_ERROR_NULL;
}
ble_add_char_params_t add_char_params;
p_sc_ctrlpt->conn_handle = BLE_CONN_HANDLE_INVALID;
p_sc_ctrlpt->procedure_status = BLE_SCPT_NO_PROC_IN_PROGRESS;
p_sc_ctrlpt->size_list_supported_locations = p_sc_ctrlpt_init->size_list_supported_locations;
if ((p_sc_ctrlpt_init->size_list_supported_locations != 0) &&
(p_sc_ctrlpt_init->list_supported_locations != NULL))
{
memcpy(p_sc_ctrlpt->list_supported_locations,
p_sc_ctrlpt_init->list_supported_locations,
p_sc_ctrlpt->size_list_supported_locations * sizeof(ble_sensor_location_t));
}
p_sc_ctrlpt->service_handle = p_sc_ctrlpt_init->service_handle;
p_sc_ctrlpt->evt_handler = p_sc_ctrlpt_init->evt_handler;
p_sc_ctrlpt->supported_functions = p_sc_ctrlpt_init->supported_functions;
p_sc_ctrlpt->sensor_location_handle = p_sc_ctrlpt_init->sensor_location_handle;
p_sc_ctrlpt->error_handler = p_sc_ctrlpt_init->error_handler;
// Add speed and cadence control point characteristic
memset(&add_char_params, 0, sizeof(add_char_params));
add_char_params.uuid = BLE_UUID_SC_CTRLPT_CHAR;
add_char_params.max_len = BLE_SC_CTRLPT_MAX_LEN;
add_char_params.is_var_len = true;
add_char_params.char_props.indicate = 1;
add_char_params.char_props.write = 1;
add_char_params.cccd_write_access = p_sc_ctrlpt_init->sc_ctrlpt_cccd_wr_sec;
add_char_params.write_access = p_sc_ctrlpt_init->sc_ctrlpt_wr_sec;
add_char_params.is_defered_write = true;
return characteristic_add(p_sc_ctrlpt->service_handle,
&add_char_params,
&p_sc_ctrlpt->sc_ctrlpt_handles);
}
/**@brief Decode an incoming control point write.
*
* @param[in] rcvd_val received write value
* @param[in] len value length
* @param[out] decoded_ctrlpt decoded control point structure
*/
static uint32_t sc_ctrlpt_decode(uint8_t const * p_rcvd_val,
uint8_t len,
ble_sc_ctrlpt_val_t * p_write_val)
{
int pos = 0;
if (len < BLE_SC_CTRLPT_MIN_LEN)
{
return NRF_ERROR_INVALID_PARAM;
}
p_write_val->opcode = (ble_scpt_operator_t) p_rcvd_val[pos++];
switch (p_write_val->opcode)
{
case BLE_SCPT_REQUEST_SUPPORTED_SENSOR_LOCATIONS:
break;
case BLE_SCPT_START_AUTOMATIC_CALIBRATION:
break;
case BLE_SCPT_UPDATE_SENSOR_LOCATION:
p_write_val->location = (ble_sensor_location_t)p_rcvd_val[pos];
break;
case BLE_SCPT_SET_CUMULATIVE_VALUE:
p_write_val->cumulative_value = uint32_decode(&(p_rcvd_val[pos]));
break;
default:
return NRF_ERROR_INVALID_PARAM;
}
return NRF_SUCCESS;
}
/**@brief encode a control point response indication.
*
* @param[in] p_sc_ctrlpt SC Ctrlpt structure.
* @param[in] p_ctrlpt_rsp structure containing response data to be encoded
* @param[out] p_data pointer where data needs to be written
* @return size of encoded data
*/
static int ctrlpt_rsp_encode(ble_sc_ctrlpt_t * p_sc_ctrlpt,
ble_sc_ctrlpt_rsp_t * p_ctrlpt_rsp,
uint8_t * p_data)
{
int len = 0;
p_data[len++] = BLE_SCPT_RESPONSE_CODE;
p_data[len++] = p_ctrlpt_rsp->opcode;
p_data[len++] = p_ctrlpt_rsp->status;
if (p_ctrlpt_rsp->status == BLE_SCPT_SUCCESS)
{
switch (p_ctrlpt_rsp->opcode)
{
case BLE_SCPT_REQUEST_SUPPORTED_SENSOR_LOCATIONS:
{
int i;
for (i = 0; i < p_sc_ctrlpt->size_list_supported_locations; i++)
{
p_data[len++] = p_sc_ctrlpt->list_supported_locations[i];
}
break;
}
default:
// No implementation needed.
break;
}
}
return len;
}
/**@brief check if a given sensor location is supported or not.
*
* @param[in] p_sc_ctrlpt SC Ctrlpt structure.
* @param[in] location sensor location to check.
* @return true if the given location is found in the list of supported locations, false otherwise.
*/
static bool is_location_supported(ble_sc_ctrlpt_t * p_sc_ctrlpt, ble_sensor_location_t location)
{
int i;
for (i = 0; i < p_sc_ctrlpt->size_list_supported_locations; i++)
{
if (p_sc_ctrlpt->list_supported_locations[i] == location)
{
return true;
}
}
return false;
}
/**@brief check if the cccd is configured
*
* @param[in] p_sc_ctrlpt SC Ctrlpt structure.
* @return true if the sc_control point's cccd is correctly configured, false otherwise.
*/
static bool is_cccd_configured(ble_sc_ctrlpt_t * p_sc_ctrlpt)
{
uint32_t err_code;
uint8_t cccd_value_buf[BLE_CCCD_VALUE_LEN];
bool is_sccp_indic_enabled = false;
ble_gatts_value_t gatts_value;
// Initialize value struct.
memset(&gatts_value, 0, sizeof(gatts_value));
gatts_value.len = BLE_CCCD_VALUE_LEN;
gatts_value.offset = 0;
gatts_value.p_value = cccd_value_buf;
err_code = sd_ble_gatts_value_get(p_sc_ctrlpt->conn_handle,
p_sc_ctrlpt->sc_ctrlpt_handles.cccd_handle,
&gatts_value);
if (err_code != NRF_SUCCESS)
{
// Report error to application
if (p_sc_ctrlpt->error_handler != NULL)
{
p_sc_ctrlpt->error_handler(err_code);
}
}
is_sccp_indic_enabled = ble_srv_is_indication_enabled(cccd_value_buf);
return is_sccp_indic_enabled;
}
/**@brief sends a control point indication.
*
* @param[in] p_sc_ctrlpt SC Ctrlpt structure.
*/
static void sc_ctrlpt_resp_send(ble_sc_ctrlpt_t * p_sc_ctrlpt)
{
uint16_t hvx_len;
ble_gatts_hvx_params_t hvx_params;
uint32_t err_code;
if (p_sc_ctrlpt->procedure_status == BLE_SCPT_INDICATION_PENDING)
{
hvx_len = p_sc_ctrlpt->response.len;
memset(&hvx_params, 0, sizeof(hvx_params));
hvx_params.handle = p_sc_ctrlpt->sc_ctrlpt_handles.value_handle;
hvx_params.type = BLE_GATT_HVX_INDICATION;
hvx_params.offset = 0;
hvx_params.p_len = &hvx_len;
hvx_params.p_data = p_sc_ctrlpt->response.encoded_ctrl_rsp;
err_code = sd_ble_gatts_hvx(p_sc_ctrlpt->conn_handle, &hvx_params);
// Error handling
if ((err_code == NRF_SUCCESS) && (hvx_len != p_sc_ctrlpt->response.len))
{
err_code = NRF_ERROR_DATA_SIZE;
}
switch (err_code)
{
case NRF_SUCCESS:
p_sc_ctrlpt->procedure_status = BLE_SCPT_IND_CONFIRM_PENDING;
// Wait for HVC event
break;
case NRF_ERROR_RESOURCES:
// Wait for TX_COMPLETE event to retry transmission.
p_sc_ctrlpt->procedure_status = BLE_SCPT_INDICATION_PENDING;
break;
default:
// Report error to application.
p_sc_ctrlpt->procedure_status = BLE_SCPT_NO_PROC_IN_PROGRESS;
if (p_sc_ctrlpt->error_handler != NULL)
{
p_sc_ctrlpt->error_handler(err_code);
}
break;
}
}
}
/**@brief Handle a write event to the Speed and Cadence Control Point.
*
* @param[in] p_sc_ctrlpt SC Ctrlpt structure.
* @param[in] p_evt_write WRITE event to be handled.
*/
static void on_ctrlpt_write(ble_sc_ctrlpt_t * p_sc_ctrlpt,
ble_gatts_evt_write_t const * p_evt_write)
{
ble_sc_ctrlpt_val_t rcvd_ctrlpt =
{ BLE_SCPT_RESPONSE_CODE , 0, BLE_SENSOR_LOCATION_OTHER };
ble_sc_ctrlpt_rsp_t rsp;
uint32_t err_code;
ble_gatts_rw_authorize_reply_params_t auth_reply;
ble_sc_ctrlpt_evt_t evt;
auth_reply.type = BLE_GATTS_AUTHORIZE_TYPE_WRITE;
auth_reply.params.write.offset = 0;
auth_reply.params.write.len = 0;
auth_reply.params.write.p_data = NULL;
auth_reply.params.write.gatt_status = BLE_GATT_STATUS_SUCCESS;
auth_reply.params.write.update = 1;
if (is_cccd_configured(p_sc_ctrlpt))
{
if (p_sc_ctrlpt->procedure_status == BLE_SCPT_NO_PROC_IN_PROGRESS)
{
auth_reply.params.write.gatt_status = BLE_GATT_STATUS_SUCCESS;
}
else
{
auth_reply.params.write.gatt_status = SC_CTRLPT_NACK_PROC_ALREADY_IN_PROGRESS;
}
}
else
{
auth_reply.params.write.gatt_status = SC_CTRLPT_NACK_CCCD_IMPROPERLY_CONFIGURED;
}
err_code = sd_ble_gatts_rw_authorize_reply(p_sc_ctrlpt->conn_handle, &auth_reply);
if (err_code != NRF_SUCCESS)
{
// Report error to application.
if (p_sc_ctrlpt->error_handler != NULL)
{
p_sc_ctrlpt->error_handler(err_code);
}
}
if (auth_reply.params.write.gatt_status != BLE_GATT_STATUS_SUCCESS)
{
return;
}
p_sc_ctrlpt->procedure_status = BLE_SCPT_INDICATION_PENDING;
rsp.status = BLE_SCPT_OP_CODE_NOT_SUPPORTED;
err_code = sc_ctrlpt_decode(p_evt_write->data, p_evt_write->len, &rcvd_ctrlpt);
if (err_code != NRF_SUCCESS)
{
rsp.opcode = rcvd_ctrlpt.opcode;
rsp.status = BLE_SCPT_OP_CODE_NOT_SUPPORTED;
}
else
{
rsp.opcode = rcvd_ctrlpt.opcode;
switch (rcvd_ctrlpt.opcode)
{
case BLE_SCPT_REQUEST_SUPPORTED_SENSOR_LOCATIONS:
if ((p_sc_ctrlpt->supported_functions &
BLE_SRV_SC_CTRLPT_SENSOR_LOCATIONS_OP_SUPPORTED) ==
BLE_SRV_SC_CTRLPT_SENSOR_LOCATIONS_OP_SUPPORTED)
{
rsp.status = BLE_SCPT_SUCCESS;
}
else
{
rsp.status = BLE_SCPT_OP_CODE_NOT_SUPPORTED;
}
break;
case BLE_SCPT_UPDATE_SENSOR_LOCATION:
if ((p_sc_ctrlpt->supported_functions &
BLE_SRV_SC_CTRLPT_SENSOR_LOCATIONS_OP_SUPPORTED) ==
BLE_SRV_SC_CTRLPT_SENSOR_LOCATIONS_OP_SUPPORTED)
{
if (is_location_supported(p_sc_ctrlpt, rcvd_ctrlpt.location))
{
ble_gatts_value_t gatts_value;
uint8_t rcvd_location = (uint8_t)rcvd_ctrlpt.location;
rsp.status = BLE_SCPT_SUCCESS;
// Initialize value struct.
memset(&gatts_value, 0, sizeof(gatts_value));
gatts_value.len = sizeof(uint8_t);
gatts_value.offset = 0;
gatts_value.p_value = &rcvd_location;
evt.evt_type = BLE_SC_CTRLPT_EVT_UPDATE_LOCATION;
evt.params.update_location = rcvd_ctrlpt.location;
if (p_sc_ctrlpt->evt_handler != NULL)
{
rsp.status = p_sc_ctrlpt->evt_handler(p_sc_ctrlpt, &evt);
}
if (rsp.status == BLE_SCPT_SUCCESS)
{
err_code = sd_ble_gatts_value_set(p_sc_ctrlpt->conn_handle,
p_sc_ctrlpt->sensor_location_handle,
&gatts_value);
if (err_code != NRF_SUCCESS)
{
// Report error to application
if (p_sc_ctrlpt->error_handler != NULL)
{
p_sc_ctrlpt->error_handler(err_code);
}
rsp.status = BLE_SCPT_OPERATION_FAILED;
}
}
}
else
{
rsp.status = BLE_SCPT_INVALID_PARAMETER;
}
}
else
{
rsp.status = BLE_SCPT_OP_CODE_NOT_SUPPORTED;
}
break;
case BLE_SCPT_SET_CUMULATIVE_VALUE:
if ((p_sc_ctrlpt->supported_functions &
BLE_SRV_SC_CTRLPT_CUM_VAL_OP_SUPPORTED) ==
BLE_SRV_SC_CTRLPT_CUM_VAL_OP_SUPPORTED)
{
rsp.status = BLE_SCPT_SUCCESS;
evt.evt_type = BLE_SC_CTRLPT_EVT_SET_CUMUL_VALUE;
evt.params.cumulative_value = rcvd_ctrlpt.cumulative_value;
if (p_sc_ctrlpt->evt_handler != NULL)
{
rsp.status = p_sc_ctrlpt->evt_handler(p_sc_ctrlpt, &evt);
}
}
else
{
rsp.status = BLE_SCPT_OP_CODE_NOT_SUPPORTED;
}
break;
case BLE_SCPT_START_AUTOMATIC_CALIBRATION:
if ((p_sc_ctrlpt->supported_functions &
BLE_SRV_SC_CTRLPT_START_CALIB_OP_SUPPORTED) ==
BLE_SRV_SC_CTRLPT_START_CALIB_OP_SUPPORTED)
{
p_sc_ctrlpt->procedure_status = BLE_SCPT_AUTOMATIC_CALIB_IN_PROGRESS;
evt.evt_type = BLE_SC_CTRLPT_EVT_START_CALIBRATION;
if (p_sc_ctrlpt->evt_handler != NULL)
{
rsp.status = p_sc_ctrlpt->evt_handler(p_sc_ctrlpt, &evt);
if (rsp.status != BLE_SCPT_SUCCESS)
{
// If the application returns an error, the response is to be sent
// right away and the calibration is considered as not started.
p_sc_ctrlpt->procedure_status = BLE_SCPT_INDICATION_PENDING;
}
}
}
else
{
rsp.status = BLE_SCPT_OP_CODE_NOT_SUPPORTED;
}
break;
default:
rsp.status = BLE_SCPT_OP_CODE_NOT_SUPPORTED;
break;
}
}
p_sc_ctrlpt->response.len = ctrlpt_rsp_encode(p_sc_ctrlpt, &rsp,
p_sc_ctrlpt->response.encoded_ctrl_rsp);
if (p_sc_ctrlpt->procedure_status == BLE_SCPT_INDICATION_PENDING)
{
sc_ctrlpt_resp_send(p_sc_ctrlpt);
}
}
/**@brief Authorize WRITE request event handler.
*
* @details Handles WRITE events from the BLE stack.
*
* @param[in] p_sc_ctrlpt SC Ctrlpt structure.
* @param[in] p_gatts_evt GATTS Event received from the BLE stack.
*
*/
static void on_rw_authorize_request(ble_sc_ctrlpt_t * p_sc_ctrlpt,
ble_gatts_evt_t const * p_gatts_evt)
{
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)
{
if ( (p_gatts_evt->params.authorize_request.request.write.op
!= BLE_GATTS_OP_PREP_WRITE_REQ)
&& (p_gatts_evt->params.authorize_request.request.write.op
!= BLE_GATTS_OP_EXEC_WRITE_REQ_NOW)
&& (p_gatts_evt->params.authorize_request.request.write.op
!= BLE_GATTS_OP_EXEC_WRITE_REQ_CANCEL)
)
{
if (p_auth_req->request.write.handle == p_sc_ctrlpt->sc_ctrlpt_handles.value_handle)
{
on_ctrlpt_write(p_sc_ctrlpt, &p_auth_req->request.write);
}
}
}
}
/**@brief Tx Complete event handler.
*
* @details Tx Complete event handler.
* Handles WRITE events from the BLE stack and if an indication was pending try sending it
* again.
*
* @param[in] p_sc_ctrlpt SC Ctrlpt structure.
*
*/
static void on_tx_complete(ble_sc_ctrlpt_t * p_sc_ctrlpt)
{
if (p_sc_ctrlpt->procedure_status == BLE_SCPT_INDICATION_PENDING)
{
sc_ctrlpt_resp_send(p_sc_ctrlpt);
}
}
/**@brief Function for handling the Connect event.
*
* @param[in] p_sc_ctrlpt SC Ctrlpt structure.
* @param[in] p_ble_evt Event received from the BLE stack.
*/
static void on_connect(ble_sc_ctrlpt_t * p_sc_ctrlpt, ble_evt_t const * p_ble_evt)
{
p_sc_ctrlpt->conn_handle = p_ble_evt->evt.gap_evt.conn_handle;
p_sc_ctrlpt->procedure_status = BLE_SCPT_NO_PROC_IN_PROGRESS;
}
/**@brief Function for handling the Disconnect event.
*
* @param[in] p_sc_ctrlpt SC Ctrlpt structure.
* @param[in] p_ble_evt Event received from the BLE stack.
*/
static void on_disconnect(ble_sc_ctrlpt_t * p_sc_ctrlpt, ble_evt_t const * p_ble_evt)
{
UNUSED_PARAMETER(p_ble_evt);
p_sc_ctrlpt->conn_handle = BLE_CONN_HANDLE_INVALID;
p_sc_ctrlpt->procedure_status = BLE_SCPT_NO_PROC_IN_PROGRESS;
}
/**@brief Function for handling the BLE_GATTS_EVT_HVC event.
*
* @param[in] p_sc_ctrlpt SC Ctrlpt structure.
* @param[in] p_ble_evt Event received from the BLE stack.
*/
static void on_sc_hvc_confirm(ble_sc_ctrlpt_t * p_sc_ctrlpt, ble_evt_t const * p_ble_evt)
{
if (p_ble_evt->evt.gatts_evt.params.hvc.handle == p_sc_ctrlpt->sc_ctrlpt_handles.value_handle)
{
if (p_sc_ctrlpt->procedure_status == BLE_SCPT_IND_CONFIRM_PENDING)
{
p_sc_ctrlpt->procedure_status = BLE_SCPT_NO_PROC_IN_PROGRESS;
}
}
}
void ble_sc_ctrlpt_on_ble_evt(ble_sc_ctrlpt_t * p_sc_ctrlpt, ble_evt_t const * p_ble_evt)
{
if (p_sc_ctrlpt == NULL || p_ble_evt == NULL)
{
return;
}
switch (p_ble_evt->header.evt_id)
{
case BLE_GAP_EVT_CONNECTED:
on_connect(p_sc_ctrlpt, p_ble_evt);
break;
case BLE_GAP_EVT_DISCONNECTED:
on_disconnect(p_sc_ctrlpt, p_ble_evt);
break;
case BLE_GATTS_EVT_RW_AUTHORIZE_REQUEST:
on_rw_authorize_request(p_sc_ctrlpt, &p_ble_evt->evt.gatts_evt);
break;
case BLE_GATTS_EVT_HVC:
on_sc_hvc_confirm(p_sc_ctrlpt, p_ble_evt);
break;
case BLE_GATTS_EVT_HVN_TX_COMPLETE:
on_tx_complete(p_sc_ctrlpt);
break;
default:
break;
}
}
uint32_t ble_sc_ctrlpt_rsp_send(ble_sc_ctrlpt_t * p_sc_ctrlpt, ble_scpt_response_t response_status)
{
if (p_sc_ctrlpt == NULL)
{
return NRF_ERROR_NULL;
}
uint32_t err_code = NRF_SUCCESS;
ble_sc_ctrlpt_rsp_t rsp;
uint8_t encoded_ctrl_rsp[BLE_SC_CTRLPT_MAX_LEN];
uint16_t hvx_len;
ble_gatts_hvx_params_t hvx_params;
if (p_sc_ctrlpt->procedure_status != BLE_SCPT_AUTOMATIC_CALIB_IN_PROGRESS)
{
return NRF_ERROR_INVALID_STATE;
}
rsp.status = response_status;
rsp.opcode = BLE_SCPT_START_AUTOMATIC_CALIBRATION;
hvx_len = ctrlpt_rsp_encode(p_sc_ctrlpt, &rsp, encoded_ctrl_rsp);
// Send indication
memset(&hvx_params, 0, sizeof(hvx_params));
hvx_params.handle = p_sc_ctrlpt->sc_ctrlpt_handles.value_handle;
hvx_params.type = BLE_GATT_HVX_INDICATION;
hvx_params.offset = 0;
hvx_params.p_len = &hvx_len;
hvx_params.p_data = encoded_ctrl_rsp;
err_code = sd_ble_gatts_hvx(p_sc_ctrlpt->conn_handle, &hvx_params);
if (err_code == NRF_SUCCESS)
{
p_sc_ctrlpt->procedure_status = BLE_SCPT_NO_PROC_IN_PROGRESS;
}
return err_code;
}