modbus/serialConnectionManager/mainwindow.cpp

#include "mainwindow.h"
#include "ui_mainwindow.h"
#include "qdebug.h"
MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
{
    ui->setupUi(this);
    ui->writeTable->addItem(tr("Coils"), 0);
    ui->writeTable->addItem(tr("Discrete Inputs"), 1);
    ui->writeTable->addItem(tr("Input Registers"), 2);
    ui->writeTable->addItem(tr("Holding Registers"), 3);
    connect(&modBusObj, &modBusMaster::modbusConnectionState, this, &MainWindow::connectionState);

}

MainWindow::~MainWindow()
{
    delete ui;

}

void MainWindow::on_connectButton_clicked()
{
    if( ui->connectButton->text()==tr("Disconnect"))
    {
        modBusObj.stop();
    }
    else
    {
        modBusObj.init();
        modBusObj.open(ui->portEdit->text(),ui->serverEdit->value());
    }



}
void MainWindow::on_readButton_clicked()
{
    int startAddress = ui->readAddress->value();
    // do not go beyond 10 entries
    int numberOfEntries = qMin(ui->readSize->currentText().toInt(), 10 - startAddress);
    switch (ui->writeTable->currentData().toInt()) {
    case 0:  printCoilsDataFromSlave(modBusObj.getCoil(startAddress,static_cast<quint16>(numberOfEntries)));
        break;
    case 1:  printCoilsDataFromSlave(modBusObj.getInputCoil(startAddress,static_cast<quint16>(numberOfEntries)));
        break;
    case 2:  printRegisterDataFromSlave(modBusObj.getInputRegister(startAddress,static_cast<quint16>(numberOfEntries)));
        break;
    case 3:  printRegisterDataFromSlave(modBusObj.getHoldingRegister(startAddress,static_cast<quint16>(numberOfEntries)));
        break;
    }

}

void MainWindow::printRegisterDataFromSlave(QVector<quint16> uiHoldingRegisters)
{
    QString readedData;
    for (int i = 0; i < uiHoldingRegisters.count(); i++) {
        const QString entry = tr("Number: %1, Value: %2").arg(i)
                .arg(QString::number(uiCoils[i]));
        readedData += (entry + "\n" );
    }
    ui->textEditRead->setText(readedData);
}

void MainWindow::printCoilsDataFromSlave(QBitArray uiCoils)
{
    QString readedData;
    for (int i = 0; i < uiCoils.count(); i++) {
        const QString entry = tr("Number: %1, Value: %2").arg(i)
                .arg(QString::number(uiCoils[i]));
        readedData += (entry + "\n" );
    }
    ui->textEditRead->setText(readedData);
}

void MainWindow::connectionState(bool state)
{
    if (state)
        ui->connectButton->setText(tr("Disconnect"));
    else
        ui->connectButton->setText(tr("Connect"));
}

void MainWindow::on_writeButton_clicked()
{
    uiCoils.resize(2);
    uiholdingRegisters.resize(2);
    int startAddress = ui->writeAddress->value();
    // do not go beyond 10 entries
    int numberOfEntries = qMin(ui->writeSize->currentText().toInt(), 10 - startAddress);
    switch (ui->writeTable->currentData().toInt()) {
    case 0:
        if(numberOfEntries>1)
        {
            uiCoils.setBit(0,ui->coilData1->isChecked());
            uiCoils.setBit(1,ui->coilData2->isChecked());
            modBusObj.setMultipleCoil(startAddress, numberOfEntries, uiCoils);
        }
        else if (numberOfEntries==1)
        {
            modBusObj.setSingleCoil(startAddress, ui->coilData1->isChecked());
        }
        break;

    case 3:
        if(numberOfEntries>1)
        {
            uiholdingRegisters[0]=ui->textEdit1->toPlainText().toUInt();
            uiholdingRegisters[1]=ui->textEdit2->toPlainText().toUInt();
            modBusObj.setMultipleRegister(startAddress, numberOfEntries, uiholdingRegisters);
        }
        else if (numberOfEntries==1)
        {
            modBusObj.setSingleRegister(startAddress, ui->textEdit1->toPlainText().toUInt());
        }
        break;
    }

}