mirror of https://github.com/nymea/nymea-gpio
101 lines
2.6 KiB
C++
101 lines
2.6 KiB
C++
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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*
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* Copyright 2013 - 2020, nymea GmbH
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* Contact: contact@nymea.io
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*
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* This file is part of nymea.
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* This project including source code and documentation is protected by
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* copyright law, and remains the property of nymea GmbH. All rights, including
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* reproduction, publication, editing and translation, are reserved. The use of
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* this project is subject to the terms of a license agreement to be concluded
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* with nymea GmbH in accordance with the terms of use of nymea GmbH, available
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* under https://nymea.io/license
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*
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* GNU Lesser General Public License Usage
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* Alternatively, this project may be redistributed and/or modified under the
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* terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation; version 3. This project is distributed in the hope that
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* it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this project. If not, see <https://www.gnu.org/licenses/>.
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*
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* For any further details and any questions please contact us under
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* contact@nymea.io or see our FAQ/Licensing Information on
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* https://nymea.io/license/faq
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*
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#ifndef GPIO_H
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#define GPIO_H
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#include <QDir>
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#include <QDebug>
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#include <QObject>
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#include <QLoggingCategory>
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Q_DECLARE_LOGGING_CATEGORY(dcGpio)
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class Gpio : public QObject
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{
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Q_OBJECT
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public:
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enum Direction {
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DirectionInvalid,
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DirectionInput,
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DirectionOutput
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};
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Q_ENUM(Direction)
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enum Value {
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ValueInvalid = -1,
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ValueLow = 0,
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ValueHigh = 1
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};
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Q_ENUM(Value)
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enum Edge {
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EdgeFalling,
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EdgeRising,
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EdgeBoth,
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EdgeNone
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};
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Q_ENUM(Edge)
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explicit Gpio(int gpio, QObject *parent = nullptr);
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~Gpio();
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static bool isAvailable();
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QString gpioDirectory() const;
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int gpioNumber() const;
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bool exportGpio();
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bool unexportGpio();
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bool setDirection(Gpio::Direction direction);
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Gpio::Direction direction();
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bool setValue(Gpio::Value value);
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Gpio::Value value();
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bool setActiveLow(bool activeLow);
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bool activeLow();
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bool setEdgeInterrupt(Gpio::Edge edge);
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Gpio::Edge edgeInterrupt();
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private:
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int m_gpio = 0;
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Gpio::Direction m_direction = Gpio::DirectionOutput;
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QDir m_gpioDirectory;
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};
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QDebug operator<< (QDebug debug, Gpio *gpio);
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#endif // GPIO_H
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