99 lines
2.7 KiB
C++
99 lines
2.7 KiB
C++
// SPDX-License-Identifier: LGPL-3.0-or-later
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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*
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* nymea-zigbee
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* Zigbee integration module for nymea
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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-zigbee.
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*
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* nymea-zigbee 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-zigbee 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-zigbee. If not, see <https://www.gnu.org/licenses/>.
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*
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#ifndef ZIGBEEINTERFACE_H
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#define ZIGBEEINTERFACE_H
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#include <QObject>
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#include <QTimer>
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#include <QSerialPort>
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#include "zigbee.h"
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#include "zigbeeinterfacemessage.h"
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class ZigbeeInterface : public QObject
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{
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Q_OBJECT
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public:
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enum ReadingState {
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WaitForStart,
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WaitForTypeMsb,
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WaitForTypeLsb,
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WaitForLenghtMsb,
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WaitForLengthLsb,
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WaitForCrc,
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WaitForData
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};
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Q_ENUM(ReadingState)
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explicit ZigbeeInterface(QObject *parent = nullptr);
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~ZigbeeInterface();
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bool available() const;
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QString serialPort() const;
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private:
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QTimer *m_reconnectTimer = nullptr;
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QSerialPort *m_serialPort = nullptr;
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QByteArray m_messageBuffer;
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QByteArray m_unhandledBuffer;
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bool m_available = false;
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// Message parsing
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ReadingState m_readingState = WaitForStart;
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quint8 m_crcValue;
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quint8 m_currentValue;
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quint16 m_messageTypeValue;
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quint16 m_lengthValue;
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QByteArray m_data;
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bool m_escapeDetected;
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quint8 calculateCrc(const quint16 &messageTypeValue, const quint16 &lenghtValue, const QByteArray &data);
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void streamByte(quint8 byte, bool specialCharacter = false);
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void setAvailable(bool available);
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void setReadingState(const ReadingState & state);
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signals:
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void availableChanged(bool available);
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void messageReceived(const ZigbeeInterfaceMessage &message);
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private slots:
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void onReconnectTimeout();
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void onReadyRead();
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void onError(const QSerialPort::SerialPortError &error);
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public slots:
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bool enable(const QString &serialPort = "/dev/ttyS0", qint32 baudrate = 115200);
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void disable();
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void sendMessage(const ZigbeeInterfaceMessage &message);
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};
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#endif // ZIGBEEINTERFACE_H
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