Qt Serial

.pro
#-------------------------------------------------
#
# Project created by QtCreator 2015-12-10T22:35:58
#
#-------------------------------------------------

QT       += core gui serialport

greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

TARGET = SerialPlayqt
TEMPLATE = app


SOURCES += main.cpp\
        mainwindow.cpp

HEADERS  += mainwindow.h

FORMS    += mainwindow.ui








*****************************************************************


.h


#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>
#include <QtSerialPort/QSerialPort>
#include <QDebug>

namespace Ui {
class MainWindow;
}

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    explicit MainWindow(QWidget *parent = 0);
    ~MainWindow();

private slots:
    void on_bt_connect_clicked();
    void readData();


    void on_bt_connect_2_clicked();

private:
    Ui::MainWindow *ui;
    QSerialPort *serial;

};

#endif // MAINWINDOW_H





*****************************************************************


 ui->setupUi(this);


//---- COMPORT ------------------------------------------------
                foreach (const QSerialPortInfo &info, QSerialPortInfo::availablePorts()) {
                QStringList list;
                list << info.portName();
                ui->portnamebox->addItem(list.first(),list);
                }





*****************************************************************

void MainWindow::on_bt_connect_clicked()
{
    if(serial->isOpen())
    {
        serial->close();
        ui->bt_connect->setText("Connect");
    }

    else
    {
    serial->setPortName(ui->portnamebox->currentText()); 
    serial->setBaudRate(QSerialPort::Baud115200);
    serial->setDataBits(QSerialPort::Data8);
    serial->setFlowControl(QSerialPort::NoFlowControl);
    serial->setParity(QSerialPort::EvenParity);
    serial->setStopBits(QSerialPort::OneStop);

        if( serial->open(QIODevice::ReadWrite))
        {
            ui->bt_connect->setText("Disconnect");
        }

        else
        {
           // QMessageBox::critical(this,tr("Error"),serial->errorString());
            QMessageBox::information(this,"Wrong com port" ,"Please check comport");
        }
    }
}







void MainWindow::readData()
{
        responseData.append(serial->readAll());
        ui->logstext->append(responseData.toHex().toUpper());

        ReadTruck01(responseData);
        qDebug() << "recive = " << responseData.append(serial->readAll()) ;

}





void MainWindow::on_bt_connect_2_clicked()
{
    qDebug() << "click <----";
    QByteArray data;

    data[0] = 0x01;
    data[1] = 0x03;
    data[2] = 0x00;
    data[3] = 0x00;
    data[4] = 0x00;
    data[5] = 0x5F;

    serial->write(data);

}