mirror of https://github.com/nymea/nymea-gpio
93 lines
2.8 KiB
C++
93 lines
2.8 KiB
C++
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* *
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* Copyright (C) 2019 Simon Stürz <simon.stuerz@nymea.io> *
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* *
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* This file is part of nymea-gpio. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Lesser General Public *
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* License as published by the Free Software Foundation; either *
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* version 2.1 of the License, or (at your option) any later version. *
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* *
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* This library 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 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 *
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* License along with this library; If not, see *
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* <http://www.gnu.org/licenses/>. *
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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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