90 lines
2.3 KiB
C++
90 lines
2.3 KiB
C++
// SPDX-License-Identifier: LGPL-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.
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*
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* nymea is free software: you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation, either version 3
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* of the License, or (at your option) any later version.
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*
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* nymea 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 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 nymea. If not, see <https://www.gnu.org/licenses/>.
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*
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#ifndef I2CMANAGERIMPLEMENTATION_H
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#define I2CMANAGERIMPLEMENTATION_H
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#include "hardware/i2c/i2cmanager.h"
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#include <QObject>
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#include <QMutex>
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#include <QTimer>
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#include <QHash>
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#include <QFuture>
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#include <QFutureWatcher>
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#include <QDateTime>
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class QFile;
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namespace nymeaserver {
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class I2CManagerImplementation : public I2CManager
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{
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Q_OBJECT
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public:
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explicit I2CManagerImplementation(QObject *parent = nullptr);
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~I2CManagerImplementation();
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QStringList availablePorts() const override;
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QList<I2CScanResult> scanRegisters(const QString &portName) override;
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bool open(I2CDevice *i2cDevice) override;
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bool startReading(I2CDevice *i2cDevice, int interval = 1000) override;
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void stopReading(I2CDevice *i2cDevice) override;
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bool writeData(I2CDevice *i2cDevice, const QByteArray &data) override;
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void close(I2CDevice *i2cDevice) override;
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private slots:
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void nextCycle();
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private:
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class ReadingInfo {
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public:
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int interval;
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QDateTime lastReading;
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};
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class WritingInfo {
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public:
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QByteArray data;
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I2CDevice *device;
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};
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QMutex m_mutex;
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QHash<I2CDevice*, ReadingInfo> m_readers;
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QHash<I2CDevice*, QFile*> m_openFiles;
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QMutex m_writeQueueMutex;
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QList<WritingInfo> m_writeQueue;
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QFutureWatcher<void> m_watcher;
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QTimer m_pollTimer;
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};
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}
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#endif // I2CMANAGERIMPLEMENTATION_H
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