83 lines
1.9 KiB
C++
83 lines
1.9 KiB
C++
// SPDX-License-Identifier: GPL-3.0-or-later
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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*
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* Copyright (C) 2013 - 2024, nymea GmbH
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* Copyright (C) 2024 - 2025, chargebyte austria GmbH
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*
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* This file is part of nymea-plugins-modbus.
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*
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* nymea-plugins-modbus is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* nymea-plugins-modbus is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with nymea-plugins-modbus. If not, see <https://www.gnu.org/licenses/>.
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*
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#ifndef UNIPIPWM_H
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#define UNIPIPWM_H
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#include <QObject>
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#include <QDebug>
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#include <QFile>
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#include <QDir>
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class UniPiPwm : public QObject
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{
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Q_OBJECT
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public:
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enum Polarity {
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PolarityNormal,
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PolarityInversed,
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PolarityInvalid
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};
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explicit UniPiPwm(int chipNumber, QObject *parent = nullptr);
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~UniPiPwm();
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static bool isAvailable();
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bool exportPwm();
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bool enable();
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bool disable();
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bool isEnabled();
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int chipNumber();
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long period();
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bool setPeriod(long nanoSeconds);
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double frequency();
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bool setFrequency(double kHz);
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long dutyCycle();
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bool setDutyCycle(long nanoSeconds);
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UniPiPwm::Polarity polarity();
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bool setPolarity(UniPiPwm::Polarity polarity);
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int percentage();
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bool setPercentage(int percentage);
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private:
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int m_chipNumber;
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long m_period;
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long m_dutyCycle;
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QDir m_pwmDirectory;
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bool unexportPwm();
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};
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#endif // UNIPIPWM_H
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