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powersync-core/libnymea-core/hardware/i2c/i2cmanagerimplementation.h
2025-11-17 16:42:41 +01:00

90 lines
2.3 KiB
C++

// SPDX-License-Identifier: LGPL-3.0-or-later
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
*
* Copyright (C) 2013 - 2024, nymea GmbH
* Copyright (C) 2024 - 2025, chargebyte austria GmbH
*
* This file is part of nymea.
*
* nymea is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* nymea 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 nymea. If not, see <https://www.gnu.org/licenses/>.
*
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#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