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Initial commit: MT firmware project

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- BLE peripheral applications
- dr_piezo and bladder_patch projects

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Charles Kwon
2026-01-25 17:26:39 +09:00
commit 72f5eb3cd9
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components/ble/ble_services/ble_nus/ble_nus.c Normal file
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/**
* Copyright (c) 2012 - 2021, 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(BLE_NUS)
#include "ble.h"
#include "ble_nus.h"
#include "ble_srv_common.h"
#define NRF_LOG_MODULE_NAME ble_nus
#if BLE_NUS_CONFIG_LOG_ENABLED
#define NRF_LOG_LEVEL BLE_NUS_CONFIG_LOG_LEVEL
#define NRF_LOG_INFO_COLOR BLE_NUS_CONFIG_INFO_COLOR
#define NRF_LOG_DEBUG_COLOR BLE_NUS_CONFIG_DEBUG_COLOR
#else // BLE_NUS_CONFIG_LOG_ENABLED
#define NRF_LOG_LEVEL 0
#endif // BLE_NUS_CONFIG_LOG_ENABLED
#include "nrf_log.h"
NRF_LOG_MODULE_REGISTER();
#define BLE_UUID_NUS_TX_CHARACTERISTIC 0x0003 /**< The UUID of the TX Characteristic. */
#define BLE_UUID_NUS_RX_CHARACTERISTIC 0x0002 /**< The UUID of the RX Characteristic. */
#define BLE_NUS_MAX_RX_CHAR_LEN BLE_NUS_MAX_DATA_LEN /**< Maximum length of the RX Characteristic (in bytes). */
#define BLE_NUS_MAX_TX_CHAR_LEN BLE_NUS_MAX_DATA_LEN /**< Maximum length of the TX Characteristic (in bytes). */
#define NUS_BASE_UUID {{0x9E, 0xCA, 0xDC, 0x24, 0x0E, 0xE5, 0xA9, 0xE0, 0x93, 0xF3, 0xA3, 0xB5, 0x00, 0x00, 0x40, 0x6E}} /**< Used vendor specific UUID. */
/**@brief Function for handling the @ref BLE_GAP_EVT_CONNECTED event from the SoftDevice.
*
* @param[in] p_nus Nordic UART Service structure.
* @param[in] p_ble_evt Pointer to the event received from BLE stack.
*/
static void on_connect(ble_nus_t * p_nus, ble_evt_t const * p_ble_evt)
{
ret_code_t err_code;
ble_nus_evt_t evt;
ble_gatts_value_t gatts_val;
uint8_t cccd_value[2];
ble_nus_client_context_t * p_client = NULL;
err_code = blcm_link_ctx_get(p_nus->p_link_ctx_storage,
p_ble_evt->evt.gap_evt.conn_handle,
(void *) &p_client);
if (err_code != NRF_SUCCESS)
{
NRF_LOG_ERROR("Link context for 0x%02X connection handle could not be fetched.",
p_ble_evt->evt.gap_evt.conn_handle);
}
/* Check the hosts CCCD value to inform of readiness to send data using the RX characteristic */
memset(&gatts_val, 0, sizeof(ble_gatts_value_t));
gatts_val.p_value = cccd_value;
gatts_val.len = sizeof(cccd_value);
gatts_val.offset = 0;
err_code = sd_ble_gatts_value_get(p_ble_evt->evt.gap_evt.conn_handle,
p_nus->tx_handles.cccd_handle,
&gatts_val);
if ((err_code == NRF_SUCCESS) &&
(p_nus->data_handler != NULL) &&
ble_srv_is_notification_enabled(gatts_val.p_value))
{
if (p_client != NULL)
{
p_client->is_notification_enabled = true;
}
memset(&evt, 0, sizeof(ble_nus_evt_t));
evt.type = BLE_NUS_EVT_COMM_STARTED;
evt.p_nus = p_nus;
evt.conn_handle = p_ble_evt->evt.gap_evt.conn_handle;
evt.p_link_ctx = p_client;
p_nus->data_handler(&evt);
}
}
/**@brief Function for handling the @ref BLE_GATTS_EVT_WRITE event from the SoftDevice.
*
* @param[in] p_nus Nordic UART Service structure.
* @param[in] p_ble_evt Pointer to the event received from BLE stack.
*/
static void on_write(ble_nus_t * p_nus, ble_evt_t const * p_ble_evt)
{
ret_code_t err_code;
ble_nus_evt_t evt;
ble_nus_client_context_t * p_client;
ble_gatts_evt_write_t const * p_evt_write = &p_ble_evt->evt.gatts_evt.params.write;
err_code = blcm_link_ctx_get(p_nus->p_link_ctx_storage,
p_ble_evt->evt.gatts_evt.conn_handle,
(void *) &p_client);
if (err_code != NRF_SUCCESS)
{
NRF_LOG_ERROR("Link context for 0x%02X connection handle could not be fetched.",
p_ble_evt->evt.gatts_evt.conn_handle);
}
memset(&evt, 0, sizeof(ble_nus_evt_t));
evt.p_nus = p_nus;
evt.conn_handle = p_ble_evt->evt.gatts_evt.conn_handle;
evt.p_link_ctx = p_client;
if ((p_evt_write->handle == p_nus->tx_handles.cccd_handle) &&
(p_evt_write->len == 2))
{
if (p_client != NULL)
{
if (ble_srv_is_notification_enabled(p_evt_write->data))
{
p_client->is_notification_enabled = true;
evt.type = BLE_NUS_EVT_COMM_STARTED;
}
else
{
p_client->is_notification_enabled = false;
evt.type = BLE_NUS_EVT_COMM_STOPPED;
}
if (p_nus->data_handler != NULL)
{
p_nus->data_handler(&evt);
}
}
}
else if ((p_evt_write->handle == p_nus->rx_handles.value_handle) &&
(p_nus->data_handler != NULL))
{
evt.type = BLE_NUS_EVT_RX_DATA;
evt.params.rx_data.p_data = p_evt_write->data;
evt.params.rx_data.length = p_evt_write->len;
p_nus->data_handler(&evt);
}
else
{
// Do Nothing. This event is not relevant for this service.
}
}
/**@brief Function for handling the @ref BLE_GATTS_EVT_HVN_TX_COMPLETE event from the SoftDevice.
*
* @param[in] p_nus Nordic UART Service structure.
* @param[in] p_ble_evt Pointer to the event received from BLE stack.
*/
static void on_hvx_tx_complete(ble_nus_t * p_nus, ble_evt_t const * p_ble_evt)
{
ret_code_t err_code;
ble_nus_evt_t evt;
ble_nus_client_context_t * p_client;
err_code = blcm_link_ctx_get(p_nus->p_link_ctx_storage,
p_ble_evt->evt.gatts_evt.conn_handle,
(void *) &p_client);
if (err_code != NRF_SUCCESS)
{
NRF_LOG_ERROR("Link context for 0x%02X connection handle could not be fetched.",
p_ble_evt->evt.gatts_evt.conn_handle);
return;
}
if ((p_client->is_notification_enabled) && (p_nus->data_handler != NULL))
{
memset(&evt, 0, sizeof(ble_nus_evt_t));
evt.type = BLE_NUS_EVT_TX_RDY;
evt.p_nus = p_nus;
evt.conn_handle = p_ble_evt->evt.gatts_evt.conn_handle;
evt.p_link_ctx = p_client;
p_nus->data_handler(&evt);
}
}
void ble_nus_on_ble_evt(ble_evt_t const * p_ble_evt, void * p_context)
{
if ((p_context == NULL) || (p_ble_evt == NULL))
{
return;
}
ble_nus_t * p_nus = (ble_nus_t *)p_context;
switch (p_ble_evt->header.evt_id)
{
case BLE_GAP_EVT_CONNECTED:
on_connect(p_nus, p_ble_evt);
break;
case BLE_GATTS_EVT_WRITE:
on_write(p_nus, p_ble_evt);
break;
case BLE_GATTS_EVT_HVN_TX_COMPLETE:
on_hvx_tx_complete(p_nus, p_ble_evt);
break;
default:
// No implementation needed.
break;
}
}
uint32_t ble_nus_init(ble_nus_t * p_nus, ble_nus_init_t const * p_nus_init)
{
ret_code_t err_code;
ble_uuid_t ble_uuid;
ble_uuid128_t nus_base_uuid = NUS_BASE_UUID;
ble_add_char_params_t add_char_params;
VERIFY_PARAM_NOT_NULL(p_nus);
VERIFY_PARAM_NOT_NULL(p_nus_init);
// Initialize the service structure.
p_nus->data_handler = p_nus_init->data_handler;
/**@snippet [Adding proprietary Service to the SoftDevice] */
// Add a custom base UUID.
err_code = sd_ble_uuid_vs_add(&nus_base_uuid, &p_nus->uuid_type);
VERIFY_SUCCESS(err_code);
ble_uuid.type = p_nus->uuid_type;
ble_uuid.uuid = BLE_UUID_NUS_SERVICE;
// Add the service.
err_code = sd_ble_gatts_service_add(BLE_GATTS_SRVC_TYPE_PRIMARY,
&ble_uuid,
&p_nus->service_handle);
/**@snippet [Adding proprietary Service to the SoftDevice] */
VERIFY_SUCCESS(err_code);
// Add the RX Characteristic.
memset(&add_char_params, 0, sizeof(add_char_params));
add_char_params.uuid = BLE_UUID_NUS_RX_CHARACTERISTIC;
add_char_params.uuid_type = p_nus->uuid_type;
add_char_params.max_len = BLE_NUS_MAX_RX_CHAR_LEN;
add_char_params.init_len = sizeof(uint8_t);
add_char_params.is_var_len = true;
add_char_params.char_props.write = 1;
add_char_params.char_props.write_wo_resp = 1;
add_char_params.read_access = SEC_OPEN;
add_char_params.write_access = SEC_OPEN;
err_code = characteristic_add(p_nus->service_handle, &add_char_params, &p_nus->rx_handles);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
// Add the TX Characteristic.
/**@snippet [Adding proprietary characteristic to the SoftDevice] */
memset(&add_char_params, 0, sizeof(add_char_params));
add_char_params.uuid = BLE_UUID_NUS_TX_CHARACTERISTIC;
add_char_params.uuid_type = p_nus->uuid_type;
add_char_params.max_len = BLE_NUS_MAX_TX_CHAR_LEN;
add_char_params.init_len = sizeof(uint8_t);
add_char_params.is_var_len = true;
add_char_params.char_props.notify = 1;
add_char_params.read_access = SEC_OPEN;
add_char_params.write_access = SEC_OPEN;
add_char_params.cccd_write_access = SEC_OPEN;
return characteristic_add(p_nus->service_handle, &add_char_params, &p_nus->tx_handles);
/**@snippet [Adding proprietary characteristic to the SoftDevice] */
}
uint32_t ble_nus_data_send(ble_nus_t * p_nus,
uint8_t * p_data,
uint16_t * p_length,
uint16_t conn_handle)
{
ret_code_t err_code;
ble_gatts_hvx_params_t hvx_params;
ble_nus_client_context_t * p_client;
VERIFY_PARAM_NOT_NULL(p_nus);
err_code = blcm_link_ctx_get(p_nus->p_link_ctx_storage, conn_handle, (void *) &p_client);
VERIFY_SUCCESS(err_code);
if ((conn_handle == BLE_CONN_HANDLE_INVALID) || (p_client == NULL))
{
return NRF_ERROR_NOT_FOUND;
}
if (!p_client->is_notification_enabled)
{
return NRF_ERROR_INVALID_STATE;
}
if (*p_length > BLE_NUS_MAX_DATA_LEN)
{
return NRF_ERROR_INVALID_PARAM;
}
memset(&hvx_params, 0, sizeof(hvx_params));
hvx_params.handle = p_nus->tx_handles.value_handle;
hvx_params.p_data = p_data;
hvx_params.p_len = p_length;
hvx_params.type = BLE_GATT_HVX_NOTIFICATION;
return sd_ble_gatts_hvx(conn_handle, &hvx_params);
}
#endif // NRF_MODULE_ENABLED(BLE_NUS)

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components/ble/ble_services/ble_nus/ble_nus.h Normal file
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/**
* Copyright (c) 2012 - 2021, 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 ble_nus Nordic UART Service
* @{
* @ingroup ble_sdk_srv
* @brief Nordic UART Service implementation.
*
* @details The Nordic UART Service is a simple GATT-based service with TX and RX characteristics.
* Data received from the peer is passed to the application, and the data received
* from the application of this service is sent to the peer as Handle Value
* Notifications. This module demonstrates how to implement a custom GATT-based
* service and characteristics using the SoftDevice. The service
* is used by the application to send and receive ASCII text strings to and from the
* peer.
*
* @note The application must register this module as BLE event observer using the
* NRF_SDH_BLE_OBSERVER macro. Example:
* @code
* ble_nus_t instance;
* NRF_SDH_BLE_OBSERVER(anything, BLE_NUS_BLE_OBSERVER_PRIO,
* ble_nus_on_ble_evt, &instance);
* @endcode
*/
#ifndef BLE_NUS_H__
#define BLE_NUS_H__
#include <stdint.h>
#include <stdbool.h>
#include "sdk_config.h"
#include "ble.h"
#include "ble_srv_common.h"
#include "nrf_sdh_ble.h"
#include "ble_link_ctx_manager.h"
#ifdef __cplusplus
extern "C" {
#endif
/**@brief Macro for defining a ble_nus instance.
*
* @param _name Name of the instance.
* @param[in] _nus_max_clients Maximum number of NUS clients connected at a time.
* @hideinitializer
*/
#define BLE_NUS_DEF(_name, _nus_max_clients) \
BLE_LINK_CTX_MANAGER_DEF(CONCAT_2(_name, _link_ctx_storage), \
(_nus_max_clients), \
sizeof(ble_nus_client_context_t)); \
static ble_nus_t _name = \
{ \
.p_link_ctx_storage = &CONCAT_2(_name, _link_ctx_storage) \
}; \
NRF_SDH_BLE_OBSERVER(_name ## _obs, \
BLE_NUS_BLE_OBSERVER_PRIO, \
ble_nus_on_ble_evt, \
&_name)
#define BLE_UUID_NUS_SERVICE 0x0001 /**< The UUID of the Nordic UART Service. */
#define OPCODE_LENGTH 1
#define HANDLE_LENGTH 2
/**@brief Maximum length of data (in bytes) that can be transmitted to the peer by the Nordic UART service module. */
#if defined(NRF_SDH_BLE_GATT_MAX_MTU_SIZE) && (NRF_SDH_BLE_GATT_MAX_MTU_SIZE != 0)
#define BLE_NUS_MAX_DATA_LEN (NRF_SDH_BLE_GATT_MAX_MTU_SIZE - OPCODE_LENGTH - HANDLE_LENGTH)
#else
#define BLE_NUS_MAX_DATA_LEN (BLE_GATT_MTU_SIZE_DEFAULT - OPCODE_LENGTH - HANDLE_LENGTH)
#warning NRF_SDH_BLE_GATT_MAX_MTU_SIZE is not defined.
#endif
/**@brief Nordic UART Service event types. */
typedef enum
{
BLE_NUS_EVT_RX_DATA, /**< Data received. */
BLE_NUS_EVT_TX_RDY, /**< Service is ready to accept new data to be transmitted. */
BLE_NUS_EVT_COMM_STARTED, /**< Notification has been enabled. */
BLE_NUS_EVT_COMM_STOPPED, /**< Notification has been disabled. */
} ble_nus_evt_type_t;
/* Forward declaration of the ble_nus_t type. */
typedef struct ble_nus_s ble_nus_t;
/**@brief Nordic UART Service @ref BLE_NUS_EVT_RX_DATA event data.
*
* @details This structure is passed to an event when @ref BLE_NUS_EVT_RX_DATA occurs.
*/
typedef struct
{
uint8_t const * p_data; /**< A pointer to the buffer with received data. */
uint16_t length; /**< Length of received data. */
} ble_nus_evt_rx_data_t;
/**@brief Nordic UART Service client context structure.
*
* @details This structure contains state context related to hosts.
*/
typedef struct
{
bool is_notification_enabled; /**< Variable to indicate if the peer has enabled notification of the RX characteristic.*/
} ble_nus_client_context_t;
/**@brief Nordic UART Service event structure.
*
* @details This structure is passed to an event coming from service.
*/
typedef struct
{
ble_nus_evt_type_t type; /**< Event type. */
ble_nus_t * p_nus; /**< A pointer to the instance. */
uint16_t conn_handle; /**< Connection handle. */
ble_nus_client_context_t * p_link_ctx; /**< A pointer to the link context. */
union
{
ble_nus_evt_rx_data_t rx_data; /**< @ref BLE_NUS_EVT_RX_DATA event data. */
} params;
} ble_nus_evt_t;
/**@brief Nordic UART Service event handler type. */
typedef void (* ble_nus_data_handler_t) (ble_nus_evt_t * p_evt);
/**@brief Nordic UART Service initialization structure.
*
* @details This structure contains the initialization information for the service. The application
* must fill this structure and pass it to the service using the @ref ble_nus_init
* function.
*/
typedef struct
{
ble_nus_data_handler_t data_handler; /**< Event handler to be called for handling received data. */
} ble_nus_init_t;
/**@brief Nordic UART Service structure.
*
* @details This structure contains status information related to the service.
*/
struct ble_nus_s
{
uint8_t uuid_type; /**< UUID type for Nordic UART Service Base UUID. */
uint16_t service_handle; /**< Handle of Nordic UART Service (as provided by the SoftDevice). */
ble_gatts_char_handles_t tx_handles; /**< Handles related to the TX characteristic (as provided by the SoftDevice). */
ble_gatts_char_handles_t rx_handles; /**< Handles related to the RX characteristic (as provided by the SoftDevice). */
blcm_link_ctx_storage_t * const p_link_ctx_storage; /**< Pointer to link context storage with handles of all current connections and its context. */
ble_nus_data_handler_t data_handler; /**< Event handler to be called for handling received data. */
};
/**@brief Function for initializing the Nordic UART Service.
*
* @param[out] p_nus Nordic UART Service structure. This structure must be supplied
* by the application. It is initialized by this function and will
* later be used to identify this particular service instance.
* @param[in] p_nus_init Information needed to initialize the service.
*
* @retval NRF_SUCCESS If the service was successfully initialized. Otherwise, an error code is returned.
* @retval NRF_ERROR_NULL If either of the pointers p_nus or p_nus_init is NULL.
*/
uint32_t ble_nus_init(ble_nus_t * p_nus, ble_nus_init_t const * p_nus_init);
/**@brief Function for handling the Nordic UART Service's BLE events.
*
* @details The Nordic UART Service expects the application to call this function each time an
* event is received from the SoftDevice. This function processes the event if it
* is relevant and calls the Nordic UART Service event handler of the
* application if necessary.
*
* @param[in] p_ble_evt Event received from the SoftDevice.
* @param[in] p_context Nordic UART Service structure.
*/
void ble_nus_on_ble_evt(ble_evt_t const * p_ble_evt, void * p_context);
/**@brief Function for sending a data to the peer.
*
* @details This function sends the input string as an RX characteristic notification to the
* peer.
*
* @param[in] p_nus Pointer to the Nordic UART Service structure.
* @param[in] p_data String to be sent.
* @param[in,out] p_length Pointer Length of the string. Amount of sent bytes.
* @param[in] conn_handle Connection Handle of the destination client.
*
* @retval NRF_SUCCESS If the string was sent successfully. Otherwise, an error code is returned.
*/
uint32_t ble_nus_data_send(ble_nus_t * p_nus,
uint8_t * p_data,
uint16_t * p_length,
uint16_t conn_handle);
#ifdef __cplusplus
}
#endif
#endif // BLE_NUS_H__
/** @} */