modbus/serialConnectionManager/ModbusMaster.h

#ifndef MODBUSMASTER_H
#define MODBUSMASTER_H

#include <QObject>
#include <QModbusDataUnit>
#include <QModbusRtuSerialMaster>
#include <QtSerialBus/qtserialbusglobal.h>
#include <QBitArray>
#include <QSerialPort>
#include "SettingSerialParameters.h"


class QModbusClient;
class QModbusReply;


class modBusMaster : public QObject
{
    Q_OBJECT
public:
    explicit modBusMaster(QObject *parent = nullptr);

    void init();
    void open(QString serialPort, int slaveAddress);
    void start();
    void deinit();
    void close();
    void stop();

    void setSingleCoil(int startAddress, bool coilFlag);
    void setMultipleCoil(int startAddress, quint16 writeSize, QBitArray coilFlags);
    void setSingleRegister(int startAddress, quint16 registerValue);
    void setMultipleRegister(int startAddress, quint16 writeSize, QVector<quint16> registerValues);

    QBitArray getCoil(int startAddress, quint16 readSize);
    QBitArray getInputCoil(int startAddress, quint16 readSize);
    QVector<quint16>  getInputRegister(int startAddress, quint16 readSize);
    QVector<quint16>  getHoldingRegister(int startAddress, quint16 readSize);

    QModbusDataUnit readRequest(QModbusDataUnit::RegisterType registerType, int startAddress, quint16 readSize);
    void writeRequest(QModbusDataUnit::RegisterType registerType, int startAddress, quint16 readSize);

    bool checkForError(QModbusReply *_reply);

signals:
    void  dataFromClient(QString readedParameter);
    void  modbusConnectionState(bool state);

private:
    QModbusReply *lastRequest;
    QModbusClient *modbusDevice = nullptr;
    QString _serialPort ;
    int _slaveAddress;
    SettingSerialParameters _modbusSettings;
    QBitArray _coilFlags;
    QVector<quint16> _registerValues;
public:
    QModbusReply *reply;
};

#endif // MODBUSMASTER_H