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

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C

/**
* Copyright (c) 2012 - 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 ble_tps TX Power Service
* @{
* @ingroup ble_sdk_srv
* @brief TX Power Service module.
*
* @details This module implements the TX Power Service with the TX Power Level characteristic.
* During initialization it adds the TX Power Service and TX Power Level characteristic
* with the specified initial value to the BLE stack database.
*
* It provides a function for letting the application update the TX Power Level
* characteristic.
*
* @note Attention!
* To maintain compliance with Nordic Semiconductor ASA Bluetooth profile
* qualification listings, this section of source code must not be modified.
*/
#ifndef BLE_TPS_H__
#define BLE_TPS_H__
#include <stdint.h>
#include "ble.h"
#include "ble_srv_common.h"
#include "nrf_sdh_ble.h"
#ifdef __cplusplus
extern "C" {
#endif
/**@brief Macro for defining a ble_tps instance.
*
* @param _name Name of the instance.
* @hideinitializer
*/
#define BLE_TPS_DEF(_name) \
static ble_tps_t _name; \
NRF_SDH_BLE_OBSERVER(_name ## _obs, \
BLE_TPS_BLE_OBSERVER_PRIO, \
ble_tps_on_ble_evt, &_name)
/**@brief TX Power Service init structure. This contains all options and data needed for
* initialization of the service. */
typedef struct
{
int8_t initial_tx_power_level; /**< Initial value of the TX Power Level characteristic (in dBm). */
security_req_t tpl_rd_sec; /**< Security requirement for reading TX Power Level characteristic. */
} ble_tps_init_t;
/**@brief TX Power Service structure. This contains various status information for the service. */
typedef struct
{
uint16_t service_handle; /**< Handle of TX Power Service (as provided by the BLE stack). */
ble_gatts_char_handles_t tx_power_level_handles; /**< Handles related to the TX Power Level characteristic. */
uint16_t conn_handle; /**< Handle of the current connection (as provided by the BLE stack, is BLE_CONN_HANDLE_INVALID if not in a connection). */
} ble_tps_t;
/**@brief Function for initializing the TX Power Service.
*
* @param[out] p_hrs TX Power Service structure. This structure will have to be supplied by
* the application. It will be initialized by this function, and will later
* be used to identify this particular service instance.
* @param[in] p_tps_init Information needed to initialize the service.
*
* @return NRF_SUCCESS on successful initialization of service, otherwise an error code.
*/
uint32_t ble_tps_init(ble_tps_t * p_hrs, const ble_tps_init_t * p_tps_init);
/**@brief Function for handling the Application's BLE Stack events.
*
* @details Handles all events from the BLE stack of interest to the TX Power Service.
*
* @param[in] p_ble_evt Event received from the BLE stack.
* @param[in] p_context TX Power Service structure.
*/
void ble_tps_on_ble_evt(ble_evt_t const * p_ble_evt, void * p_context);
/**@brief Function for setting the value of the TX Power Level characteristic.
*
* @param[in] p_tps TX Power Service structure.
* @param[in] tx_power_level New TX Power Level (unit dBm, range -100 to 20).
*
* @return NRF_SUCCESS on success, otherwise an error code.
*/
uint32_t ble_tps_tx_power_level_set(ble_tps_t * p_tps, int8_t tx_power_level);
#ifdef __cplusplus
}
#endif
#endif // BLE_TPS_H__
/** @} */