QtServerBackend.hpp

#ifndef H_EXTENSIONS_CUTEHMI_MODBUS_2_INCLUDE_CUTEHMI_MODBUS_INTERNAL_QTSERVERBACKEND_HPP
#define H_EXTENSIONS_CUTEHMI_MODBUS_2_INCLUDE_CUTEHMI_MODBUS_INTERNAL_QTSERVERBACKEND_HPP
 
#include "common.hpp"
#include "Config.hpp"
#include "AbstractServerBackend.hpp"
 
#include <memory>
 
#include <QModbusServer>
 
namespace cutehmi {
namespace modbus {
namespace internal {
 
class CUTEHMI_MODBUS_PRIVATE QtServerBackend:
    public AbstractServerBackend
{
        Q_OBJECT
 
    public slots:
        void ensureClosed();
 
    signals:
        void opened();
 
        void closed();
 
        void coilsWritten(quint16 address, quint16 amount);
 
        void discreteInputsWritten(quint16 address, quint16 amount);
 
        void holdingRegistersWritten(quint16 address, quint16 amount);
 
        void inputRegistersWritten(quint16 address, quint16 amount);
 
    protected:
        explicit QtServerBackend(std::unique_ptr<QModbusServer> qServer, QObject * parent = nullptr);
 
        virtual int slaveId() const = 0;
 
        virtual void configureConnection() = 0;
 
        QModbusServer * qServer() const;
 
        bool proceedRequest(QUuid requestId) override;
 
        void readCoils(QUuid requestId, quint16 startAddress, quint16 endAddress) override;
 
        void writeCoil(QUuid requestId, quint16 address, bool value) override;
 
        void writeMultipleCoils(QUuid requestId, quint16 startAddress, const QVector<quint16> & values) override;
 
        void readDiscreteInputs(QUuid requestId, quint16 startAddress, quint16 endAddress) override;
 
        void writeDiscreteInput(QUuid requestId, quint16 address, bool value) override;
 
        void writeMultipleDiscreteInputs(QUuid requestId, quint16 startAddress, const QVector<quint16> & values) override;
 
        void readHoldingRegisters(QUuid requestId, quint16 startAddress, quint16 endAddress) override;
 
        void writeHoldingRegister(QUuid requestId, quint16 address, quint16 value) override;
 
        void writeMultipleHoldingRegisters(QUuid requestId, quint16 startAddress, const QVector<quint16> & values) override;
 
        void readInputRegisters(QUuid requestId, quint16 startAddress, quint16 endAddress) override;
 
        void writeInputRegister(QUuid requestId, quint16 address, quint16 value) override;
 
        void writeMultipleInputRegisters(QUuid requestId, quint16 startAddress, const QVector<quint16> & values) override;
 
    protected slots:
        void open() override;
 
        void close() override;
 
        void setBusy(bool busy) override;
 
    private:
        void readDataUnitInt(QUuid requestId, QModbusDataUnit & unit);
 
        void readDataUnitBool(QUuid requestId, QModbusDataUnit & unit);
 
    private slots:
        void onDataWritten(QModbusDataUnit::RegisterType table, int address, int size);
 
        void onStateChanged(QModbusDevice::State state);
 
        void onErrorOccurred(QModbusDevice::Error error);
 
        void printError(cutehmi::InplaceError error) const;
 
    private:
        struct Members
        {
            QModbusServer * qServer;
        };
 
        MPtr<Members> m;
 
};
 
}
}
}
 
#endif
 
//(c)C: Copyright © 2019, Michał Policht <michal@policht.pl>. All rights reserved.
//(c)C: This file is a part of CuteHMI.
//(c)C: CuteHMI 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.
//(c)C: CuteHMI 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.
//(c)C: You should have received a copy of the GNU Lesser General Public License along with CuteHMI.  If not, see <https://www.gnu.org/licenses/>.