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::dataFromClient, this, &MainWindow::printDataFromClient);
}

MainWindow::~MainWindow()
{
    delete ui;

}

void MainWindow::on_connectButton_clicked()
{
    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:  modBusObj.getCoil(startAddress,static_cast<quint16>(numberOfEntries));
        break;
    case 1:  modBusObj.getInputCoil(startAddress,static_cast<quint16>(numberOfEntries));
        break;
    case 2:  modBusObj.getInputRegister(startAddress,static_cast<quint16>(numberOfEntries));
        break;
    case 3:  modBusObj.getHoldingRegister(startAddress,static_cast<quint16>(numberOfEntries));
        break;
    }

}

void MainWindow::printDataFromClient(QString readedData)
{
    ui->textEditRead->setText(readedData);
}

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:
        qDebug() << "coil " << numberOfEntries ;
        if(numberOfEntries>1)
        {
            uiCoils.setBit(0,ui->coilData1->isChecked());
            uiCoils.setBit(1,ui->coilData2->isChecked());
            modBusObj.setMultipleCoil(startAddress, numberOfEntries, uiCoils);
        }
        else if (numberOfEntries==1)
        {
            qDebug() << "coil umberOfEntries==1 " << numberOfEntries ;
            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.setSingleRgister(startAddress, ui->textEdit1->toPlainText().toUInt());
        }
        break;
    }

}