143 lines
4.6 KiB
C++
143 lines
4.6 KiB
C++
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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*
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* Copyright 2013 - 2021, nymea GmbH
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* Contact: contact@nymea.io
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*
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* This fileDescriptor is part of nymea.
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* This project including source code and documentation is protected by
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* copyright law, and remains the property of nymea GmbH. All rights, including
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* reproduction, publication, editing and translation, are reserved. The use of
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* this project is subject to the terms of a license agreement to be concluded
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* with nymea GmbH in accordance with the terms of use of nymea GmbH, available
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* under https://nymea.io/license
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*
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* GNU Lesser General Public License Usage
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* Alternatively, this project may be redistributed and/or modified under the
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* terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation; version 3. This project is distributed in the hope that
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* it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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 this project. If not, see <https://www.gnu.org/licenses/>.
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*
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* For any further details and any questions please contact us under
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* contact@nymea.io or see our FAQ/Licensing Information on
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* https://nymea.io/license/faq
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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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