MyKits/ModBusTCP/MyModbusTcp/mainwindow.cpp

#include "mainwindow.h"
#include "ui_mainwindow.h"

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
{
    ui->setupUi(this);
    modbusTcpClient = new MyModbusTcp();
}

MainWindow::~MainWindow()
{
    delete ui;
}


void MainWindow::on_connectBTN_clicked()
{
    modbusTcpClient->connectModbusTcp();
}

void MainWindow::on_disconnectBTN_clicked()
{
    modbusTcpClient->disconnectModbusTcp();
}

void MainWindow::on_ontimeBTN_clicked()
{
//    modbusTcpClient->onTimeReadHR();

    timer1 = new QTimer(this);    //启动定时器,100ms
    connect(timer1, SIGNAL(timeout()), this, SLOT(ontimeRead()));
    timer1->start(100); // 每隔1000ms
//    modbusTcpClient->readMultipleHR(0,20,1);

}

void MainWindow::ontimeRead(){
    modbusTcpClient->readMultipleHR(0, 20, 1);
    QString buf;
//    int len = sizeof(modbusTcpClient->dataRCV)/sizeof(modbusTcpClient->dataRCV[0]);
    for(int i= 0; i<30; i++){
        buf.append(QString::number(modbusTcpClient->dataRCV[i]));
        buf.append(" ");
    }
    ui->textEdit->setText(buf);
}

void MainWindow::on_stopOntimeBTN_clicked()
{
    timer1->stop();
    timer1->deleteLater();
}

void MainWindow::on_pushButton_clicked()
{
    modbusTcpClient->writeSingleFloat(0, -3.14f, 1);
}

void MainWindow::on_pushButton_2_clicked()
{
    float dataSend[3] = {0.0f, 1.1f, -2.3f};
    modbusTcpClient->writeMultipleHR(0, 6, dataSend, 1);
}