1 /*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include <math.h>
17
18 #include "comm_log.h"
19 #include "softbus_adapter_range.h"
20 #include "softbus_errcode.h"
21
22 #define MOCK_POWER (-17)
23 #define DB_BASE (10.0)
24 #define DB_COEFFICIENT (20.0)
25
SoftBusBleRange(SoftBusRangeParam * param,int32_t * range)26 int SoftBusBleRange(SoftBusRangeParam *param, int32_t *range)
27 {
28 if (param == NULL || range == NULL) {
29 COMM_LOGE(COMM_ADAPTER, "SoftBusBleRange param is null.");
30 return SOFTBUS_INVALID_PARAM;
31 }
32
33 *range = (int32_t)pow(DB_BASE, param->rssi * -1 / DB_COEFFICIENT);
34 return SOFTBUS_OK;
35 }
36
SoftBusGetBlePower(int8_t * power)37 int SoftBusGetBlePower(int8_t *power)
38 {
39 if (power == NULL) {
40 COMM_LOGE(COMM_ADAPTER, "SoftBusGetBlePower param is null.");
41 return SOFTBUS_INVALID_PARAM;
42 }
43 *power = MOCK_POWER;
44 return SOFTBUS_OK;
45 }