137 lines
4.1 KiB
C++
137 lines
4.1 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 libnymea-sunspec.
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*
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* libnymea-sunspec 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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* libnymea-sunspec 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 libnymea-sunspec. If not, see <https://www.gnu.org/licenses/>.
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*
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#ifndef SUNSPECCONNECTION_H
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#define SUNSPECCONNECTION_H
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#include <QObject>
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#include <QtSerialBus>
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#include <QHostAddress>
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#include <QModbusTcpClient>
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#include <QLoggingCategory>
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#include "sunspecdatapoint.h"
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Q_DECLARE_LOGGING_CATEGORY(dcSunSpec)
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class SunSpecModel;
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class SunSpecConnection : public QObject
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{
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Q_OBJECT
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public:
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explicit SunSpecConnection(const QHostAddress &hostAddress, uint port = 502, uint slaveId = 1, QObject *parent = nullptr);
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explicit SunSpecConnection(const QHostAddress &hostAddress, uint port = 502, uint slaveId = 1, SunSpecDataPoint::ByteOrder byteOrder = SunSpecDataPoint::ByteOrderLittleEndian, QObject *parent = nullptr);
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~SunSpecConnection() = default;
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QModbusTcpClient *modbusTcpClient() const;
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QHostAddress hostAddress() const;
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void setHostAddress(const QHostAddress &hostAddress);
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uint port() const;
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void setPort(uint port);
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uint slaveId() const;
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void setSlaveId(uint slaveId);
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SunSpecDataPoint::ByteOrder byteOrder() const;
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int timeout() const;
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void setTimeout(int milliSeconds);
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uint numberOfRetries() const;
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void setNumberOfRetries(uint retries);
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bool connected() const;
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bool discoveryRunning() const;
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quint16 baseRegister() const;
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QList<SunSpecModel *> models() const;
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// Helper methods for internal queue handling if enabled
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QModbusReply *sendReadRequest(const QModbusDataUnit &read, int serverAddress);
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QModbusReply *sendWriteRequest(const QModbusDataUnit &write, int serverAddress);
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QModbusReply *sendRawRequest(const QModbusRequest &request, int serverAddress);
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public slots:
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bool startDiscovery();
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bool connectDevice();
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void disconnectDevice();
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bool reconnectDevice();
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signals:
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void connectedChanged(bool connected);
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void discoveryRunningChanged(bool discoveryRunning);
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void sunspecBaseRegisterFound(quint16 baseRegister);
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void discoveryFinished(bool success);
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private:
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QModbusTcpClient *m_modbusTcpClient = nullptr;
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QHostAddress m_hostAddress;
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uint m_port;
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int m_slaveId = 1;
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QTimer m_reconnectTimer;
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bool m_connected = false;
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quint16 m_baseRegister = 40000;
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QQueue<quint16> m_baseRegisterQueue;
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// SunSpec discovery
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typedef struct ModuleDiscoveryResult {
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quint16 modbusStartRegister;
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quint16 modelId;
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quint16 modelLength;
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} ModuleDiscoveryResult;
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bool m_discoveryRunning = false;
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QList<ModuleDiscoveryResult> m_modelDiscoveryResult;
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QList<SunSpecModel *> m_models;
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QList<SunSpecModel *> m_uninitializedModels;
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SunSpecDataPoint::ByteOrder m_byteOrder = SunSpecDataPoint::ByteOrderLittleEndian;
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int m_timoutReplyCounter = 0;
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int m_timoutReplyCounterLimit = 16;
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void createConnection();
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void processDiscoveryResult();
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void setDiscoveryRunning(bool discoveryRunning);
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bool modelAlreadyAdded(SunSpecModel *model) const;
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bool scanSunspecBaseRegister(quint16 baseRegister);
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void scanNextSunspecBaseRegister();
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void scanModelsOnBaseRegister(quint16 offset = 2);
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void monitorTimoutErrors(QModbusReply *reply);
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};
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QDebug operator<<(QDebug debug, SunSpecConnection *connection);
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#endif // SUNSPECCONNECTION_H
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