2 * Copyright (c) 2016-2017 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #ifndef __SENSOR_FREQUENCY_COMPENSATOR_H_
18 #define __SENSOR_FREQUENCY_COMPENSATOR_H_
24 /************************************************************************
25 * Stores frequency compensator state.
27 class sensor_frequency_compensator {
29 sensor_frequency_compensator(double desired_rate);
30 ~sensor_frequency_compensator();
32 /************************************************************************
33 * Resets frequency compensator to initial state.
37 /************************************************************************
42 * @result Filtered data.
44 void add(timestamp_t t, double *value);
46 /************************************************************************
50 /************************************************************************
52 void get_next(double *value);
55 long long m_desired_frequency;
65 timestamp_t m_timestamp;
68 #endif /* __SENSOR_FREQUENCY_COMPENSATOR_H_ */