nymea/libnymea-core/hardware/i2c/i2cmanagerimplementation.h

96 lines
2.8 KiB
C++

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* 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 <https://www.gnu.org/licenses/>.
*
* 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
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#ifndef I2CMANAGERIMPLEMENTATION_H
#define I2CMANAGERIMPLEMENTATION_H
#include "hardware/i2c/i2cmanager.h"
#include <QObject>
#include <QMutex>
#include <QTimer>
#include <QHash>
#include <QFuture>
#include <QFutureWatcher>
#include <QDateTime>
class QFile;
namespace nymeaserver {
class I2CManagerImplementation : public I2CManager
{
Q_OBJECT
public:
explicit I2CManagerImplementation(QObject *parent = nullptr);
~I2CManagerImplementation();
QStringList availablePorts() const override;
QList<I2CScanResult> scanRegisters(const QString &portName) override;
bool open(I2CDevice *i2cDevice) override;
bool startReading(I2CDevice *i2cDevice, int interval = 1000) override;
void stopReading(I2CDevice *i2cDevice) override;
bool writeData(I2CDevice *i2cDevice, const QByteArray &data) override;
void close(I2CDevice *i2cDevice) override;
private slots:
void nextCycle();
private:
class ReadingInfo {
public:
int interval;
QDateTime lastReading;
};
class WritingInfo {
public:
QByteArray data;
I2CDevice *device;
};
QMutex m_mutex;
QHash<I2CDevice*, ReadingInfo> m_readers;
QHash<I2CDevice*, QFile*> m_openFiles;
QMutex m_writeQueueMutex;
QList<WritingInfo> m_writeQueue;
QFutureWatcher<void> m_watcher;
QTimer m_pollTimer;
};
}
#endif // I2CMANAGERIMPLEMENTATION_H