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

129 lines
4.6 KiB
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.
*
*/
/* Attention!
* To maintain compliance with Nordic Semiconductor ASA's Bluetooth profile
* qualification listings, this section of source code must not be modified.
*/
#include "sdk_common.h"
#if NRF_MODULE_ENABLED(BLE_TPS)
#include "ble_tps.h"
#include <string.h>
#include "ble_srv_common.h"
/**@brief Function for handling the Connect event.
*
* @param[in] p_tps TX Power Service structure.
* @param[in] p_ble_evt Event received from the BLE stack.
*/
static void on_connect(ble_tps_t * p_tps, ble_evt_t const * p_ble_evt)
{
p_tps->conn_handle = p_ble_evt->evt.gap_evt.conn_handle;
}
void ble_tps_on_ble_evt(ble_evt_t const * p_ble_evt, void * p_context)
{
ble_tps_t * p_tps = (ble_tps_t *)p_context;
switch (p_ble_evt->header.evt_id)
{
case BLE_GAP_EVT_CONNECTED:
on_connect(p_tps, p_ble_evt);
break;
default:
// No implementation needed.
break;
}
}
uint32_t ble_tps_init(ble_tps_t * p_tps, const ble_tps_init_t * p_tps_init)
{
uint32_t err_code;
ble_uuid_t ble_uuid;
ble_add_char_params_t add_char_params;
// Add service
BLE_UUID_BLE_ASSIGN(ble_uuid, BLE_UUID_TX_POWER_SERVICE);
err_code = sd_ble_gatts_service_add(BLE_GATTS_SRVC_TYPE_PRIMARY,
&ble_uuid,
&p_tps->service_handle);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
// Add TX Power Level characteristic
memset(&add_char_params, 0, sizeof(add_char_params));
add_char_params.uuid = BLE_UUID_TX_POWER_LEVEL_CHAR;
add_char_params.max_len = sizeof(uint8_t);
add_char_params.init_len = sizeof(uint8_t);
add_char_params.p_init_value = (uint8_t *) &p_tps_init->initial_tx_power_level;
add_char_params.char_props.read = 1;
add_char_params.read_access = p_tps_init->tpl_rd_sec;
return characteristic_add(p_tps->service_handle,
&add_char_params,
&p_tps->tx_power_level_handles);
}
uint32_t ble_tps_tx_power_level_set(ble_tps_t * p_tps, int8_t tx_power_level)
{
ble_gatts_value_t gatts_value;
// Initialize value struct.
memset(&gatts_value, 0, sizeof(gatts_value));
gatts_value.len = sizeof(uint8_t);
gatts_value.offset = 0;
gatts_value.p_value = (uint8_t*)&tx_power_level;
// Update database
return sd_ble_gatts_value_set(p_tps->conn_handle,
p_tps->tx_power_level_handles.value_handle,
&gatts_value);
}
#endif // NRF_MODULE_ENABLED(BLE_TPS)