/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Copyright 2013 - 2020, nymea GmbH * Contact: contact@nymea.io * * This file is part of nymea. * This project including source code and documentation is protected by * copyright law, and remains the property of nymea GmbH. All rights, including * reproduction, publication, editing and translation, are reserved. The use of * this project is subject to the terms of a license agreement to be concluded * with nymea GmbH in accordance with the terms of use of nymea GmbH, available * under https://nymea.io/license * * GNU Lesser General Public License Usage * Alternatively, this project may be redistributed and/or modified under the * terms of the GNU Lesser General Public License as published by the Free * Software Foundation; version 3. This project is distributed in the hope that * it will be useful, but WITHOUT ANY WARRANTY; without even the implied * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this project. If not, see . * * For any further details and any questions please contact us under * contact@nymea.io or see our FAQ/Licensing Information on * https://nymea.io/license/faq * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ #ifndef SENSORFILTER_H #define SENSORFILTER_H #include #include class SensorFilter : public QObject { Q_OBJECT public: enum Type { TypeLowPass, TypeHighPass, TypeAverage }; Q_ENUM(Type) explicit SensorFilter(Type filterType, QObject *parent = nullptr); float filterValue(float value); bool isReady() const; void reset(); Type filterType() const; QVector inputData() const; QVector outputData() const; // Filter configuration uint windowSize() const; void setFilterWindowSize(uint windowSize = 20); float lowPassAlpha() const; void setLowPassAlpha(float alpha = 0.2f); float highPassAlpha() const; void setHighPassAlpha(float alpha = 0.2f); private: Type m_filterType = TypeLowPass; uint m_filterWindowSize = 20; float m_lowPassAlpha = 0.2f; float m_highPassAlpha = 0.2f; float m_averageSum = 0; QVector m_inputData; QVector m_outputData; void addInputValue(float value); // Filter methods float lowPassFilterValue(float value); float highPassFilterValue(float value); float averageFilterValue(float value); }; #endif // SENSORFILTER_H