qt串口消息模拟器怎么实现

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//mainwindow.h

#ifndef MAINWINDOW_H#define MAINWINDOW_H#include #include #include enum MsgType{    msg_Tacho = 0x00,    msg_Speed = 0x01,    msg_Tempt = 0x03};QT_BEGIN_NAMESPACEnamespace Ui { class MainWindow; }QT_END_NAMESPACEclass MainWindow : public QMainWindow{    Q_OBJECTpublic:    MainWindow(QWidget *parent = nullptr);    ~MainWindow();    void openSerPort();    void SMD_01(unsigned char * message);    void SMD_14(unsigned char * message);    void showLog(QString str);    void SendData(QString& msg,int type, QString temp = "all");    void SendRepeatData();private slots:    void on_horizontalSlider_valueChanged(int value);    void on_horizontalSlider_3_valueChanged(int value);    void on_horizontalSlider_2_valueChanged(int value);    void on_horizontalSlider_4_valueChanged(int value);    void on_pushButton_connect_clicked();    void on_pushButton_send_clicked();    void on_comboBox_currentIndexChanged(const QString &arg1);    void on_pushButton_disconnect_clicked();    void on_action_automated_triggered();    void on_actionCancel_automated_triggered();    void on_textBrowser_textChanged();private:    void SlotMsgDecode();private:    Ui::MainWindow *ui;    QSerialPort* m_port;    QString m_ncom;    QTimer* m_timer;    unsigned char* message;    unsigned char m_connectStatus;    bool m_msgStatus;    int m_sendRepeatNum;};#endif // MAINWINDOW_H

mainwindow.cpp

#include "mainwindow.h"#include "ui_mainwindow.h"#include static unsigned char pbuff[512];static unsigned char sendbuff_26[10] = {0x2e, 0x26, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};static unsigned char sendbuff_21[9] = {0x2e, 0x21, 0x05, 0x00, 0x00, 0x1e, 0x1e, 0x00, 0x00};const int HEADLENTH = 2;MainWindow::MainWindow(QWidget *parent)    : QMainWindow(parent)    , ui(new Ui::MainWindow){    ui->setupUi(this);    setWindowTitle("XXXX测试工具");    m_ncom = "COM1";    m_port = nullptr;    message = nullptr;    m_timer = new QTimer;    m_timer->setInterval(160);    m_connectStatus = 0x00;    m_msgStatus = false;    m_sendRepeatNum = 0;    //转速表    ui->horizontalSlider->setRange(0,8000);    ui->horizontalSlider->setSingleStep(50);    //车速表    ui->horizontalSlider_2->setRange(0,240);    ui->horizontalSlider_2->setSingleStep(2);    //左区温度    ui->horizontalSlider_3->setRange(15,32);    //右区温度    ui->horizontalSlider_4->setRange(15,32);    //默认转速选中    ui->radioButton->setChecked(true);}MainWindow::~MainWindow(){    delete ui;    disconnect(m_port, &QSerialPort::readyRead,this,&MainWindow::SlotMsgDecode);    m_port->close();    delete m_port;    delete  m_timer;}void MainWindow::openSerPort(){    m_port = new QSerialPort(m_ncom);    bool b_startOK = false;    if(m_port->open(QIODevice::ReadWrite))    {        m_port->setBaudRate(QSerialPort::Baud38400);        m_port->setParity(QSerialPort::NoParity);        m_port->setDataBits(QSerialPort::Data8);        m_port->setStopBits(QSerialPort::OneStop);        m_port->setFlowControl(QSerialPort::UnknownFlowControl);// ? why not UnknownFlowControl NoFlowControl        m_port->clearError();        m_port->clear();        showLog("打开串口"+m_ncom+"成功...");        b_startOK = true;    }    else    {        b_startOK = false;        QSerialPort::SerialPortError err= m_port->error();        printf("Error. Can't Open Serial Por,:error:%d !\n",err);        showLog("打开串口"+m_ncom+"失败...");        m_port->clear();        m_port->close();        delete  m_port;        m_port = nullptr;    }    if(b_startOK)    {        connect(m_port, &QSerialPort::readyRead,this,&MainWindow::SlotMsgDecode);    }}void MainWindow::SlotMsgDecode(){    memset(pbuff,0,512);    unsigned char flag,flag0xAF,flagtype,datalen;    m_port->getChar((char*)&flag);    if(flag == 0xFA)    {        m_port->getChar((char*)&flag0xAF);        m_port->getChar((char*)&datalen);        printf("x x x",flag,flag0xAF,datalen);        int ret = m_port->read((char*)pbuff, datalen);        message = pbuff+HEADLENTH;        if(true)        {            for(int i = 0;igetChar((char*)&flagtype);        m_port->getChar((char*)&datalen);        printf("x x x ",flag,flagtype,datalen);        int ret = m_port->read((char*)pbuff, datalen + 1);        message = pbuff;        if(true)        {            for(int i = 0;iwrite((char*)&m_connectStatus,1);            showLog("与MCU握手成功...");        }    }    else if(flag == 0xff)    {        m_msgStatus = true;        m_sendRepeatNum = 0;    }    else    {       m_msgStatus = false;    }    m_port->readAll();}void MainWindow::SMD_01(unsigned char *message){    printf("%s\n",__FUNCTION__);    unsigned char byMsgdatatype = message[0];    switch (byMsgdatatype) {    case 0x01:  //车速        printf("datavalid:%d\n",message[1]);        printf("alarminfo:%d\n",message[2]);        printf("speedvalue:%d\n",(message[3]<<8)+message[4]);        break;    case 0x02:  //转速        printf("datavalid:%d\n",message[1]);        printf("alarminfo:%d\n",message[2]);        printf("tachovalue:%d\n",(message[3]<<8)+message[4]);        break;    default:        break;    }}void MainWindow::SMD_14(unsigned char *message){    printf("%s\n",__FUNCTION__);    unsigned char byMsgdatatype = message[0];    switch (byMsgdatatype) {    case 0x01:  //车内温度        printf("datavalid:%d\n",message[1]);        printf("leftTempture:%d\n",((message[2]<<8)+message[3]));        printf("rightTempture:%d\n",(message[4]<<8)+message[5]);        break;    case 0x02: //时间        printf("%d:%d:%d\n",message[1],message[2],message[3]);        break;    default:        break;    }}void MainWindow::showLog(QString str){    QString strtemp = ui->textBrowser->toPlainText();    strtemp+=str;    strtemp +="\n";    if(strtemp.length()>4096)    {        strtemp.clear();    }    ui->textBrowser->setPlainText(strtemp);    //qDebug()<> 8;        sendbuff_26[6] = tacho - (sendbuff_26[5]<<8);        sendbuff_26[9] = ((sendbuff_26[1]+sendbuff_26[2]+sendbuff_26[3]+sendbuff_26[4]+sendbuff_26[5]+sendbuff_26[6] \                +sendbuff_26[7]+sendbuff_26[8])^0xff)&0xff;        m_port->write((char*)sendbuff_26,sizeof(sendbuff_26));        showLog(QString("[发送]转速:%1,校验:%2\n").arg((sendbuff_26[5]<<8)+ sendbuff_26[6]).arg(sendbuff_26[9]));    }        break;    case msg_Speed:    {        int speed = msg.toUInt();        sendbuff_26[3] = speed >> 8;        sendbuff_26[4] = speed - (sendbuff_26[3]<<8);        sendbuff_26[9] = ((sendbuff_26[1]+sendbuff_26[2]+sendbuff_26[3]+sendbuff_26[4]+sendbuff_26[5]+sendbuff_26[6] \                +sendbuff_26[7]+sendbuff_26[8])^0xff)&0xff;        m_port->write((char*)sendbuff_26,sizeof(sendbuff_26));        showLog(QString("[发送]车速:%1,校验:%2\n").arg((sendbuff_26[3]<<8)+ sendbuff_26[4]).arg(sendbuff_26[9]));    }        break;    case msg_Tempt:    {        int tempture = int(0x1e + (msg.toFloat()-0x0f)*2.0);        if(temp == "left") sendbuff_21[5] = tempture;        else if(temp == "right") sendbuff_21[6] = tempture;        else        {            sendbuff_21[5] = tempture;            sendbuff_21[6] = tempture;        }        sendbuff_21[8] = ((sendbuff_21[1]+sendbuff_21[2]+sendbuff_21[3]+sendbuff_21[4]+sendbuff_21[5]+sendbuff_21[6] \                +sendbuff_21[7])^0xff)&0xff;        m_port->write((char*)sendbuff_21,sizeof(sendbuff_21));        showLog(QString("[发送]左区温度:%1,右区温度%2,校验:%3\n").arg(msg.toFloat()).arg(msg.toFloat()).arg(sendbuff_21[8]));    }        break;    default:        break;    }}void MainWindow::SendRepeatData(){    if(m_msgStatus == false)    {        m_port->write((char*)sendbuff_26,sizeof(sendbuff_26));        m_port->write((char*)sendbuff_21,sizeof(sendbuff_21));        ++m_sendRepeatNum;        showLog(QString("重复第%1发送数据...").arg(m_sendRepeatNum));        if(m_sendRepeatNum == 3)        {            m_connectStatus = 0xf4;            showLog("消息重发次数已达3次,串口将被断开,请检察后重新连接...");            on_pushButton_disconnect_clicked();        }    }    else    {        m_sendRepeatNum = 0;    }}void MainWindow::on_horizontalSlider_valueChanged(int value){    QString data = QString("%1").arg(value);    ui->label_tacho->setText(data);    if(m_port == nullptr) return;    SendData(data,msg_Tacho);}void MainWindow::on_horizontalSlider_2_valueChanged(int value){    QString data = QString("%1").arg(value);    ui->label_speed->setText(data);    if(m_port == nullptr) return;    SendData(data,msg_Speed);}void MainWindow::on_horizontalSlider_3_valueChanged(int value){    QString data = QString("%1").arg(value);    ui->label_tempture->setText(data);    if(m_port == nullptr) return;    SendData(data,msg_Tempt,"left");    showLog(QString("[发送]左区温度:%1,校验:%2\n").arg(value).arg(sendbuff_21[8]));}void MainWindow::on_horizontalSlider_4_valueChanged(int value){    QString data = QString("%1").arg(value);    ui->label_tempture_2->setText(data);    if(m_port == nullptr) return;    SendData(data,msg_Tempt,"right");    showLog(QString("[发送]右区温度:%1,校验:%2\n").arg(value).arg(sendbuff_21[8]));}void MainWindow::on_pushButton_connect_clicked(){    if(m_port == nullptr)    {        openSerPort();    }    else    {        showLog("串开已经打开，断开后可尝试重新连接...");    }}void MainWindow::on_pushButton_send_clicked(){    QString senddata = ui->lineEdit->text();    if(m_port == nullptr)    {        showLog("请先连接到串口...");        return;    }    if(senddata.isEmpty())    {        showLog("发送值为空,请输入一个值后再发送...");        return;    }    if(m_connectStatus!=0xff)    {        showLog("与MCU握手失败,无法发送消息...");        return;    }    if(ui->radioButton->isChecked()) //转速被选中    {        if(senddata.toUInt()<=8000)        {            SendData(senddata,msg_Tacho);        }        else        {            showLog("输入的转速值不符，请确认值范围0-8000中...");        }    }    else if(ui->radioButton_2->isChecked()) // 车速被选中    {        if(senddata.toUInt()<=240)        {            SendData(senddata,msg_Speed);        }        else        {            showLog("输入的车速值不符，请确认值范围0-240中...");        }    }    else //左右区温度,设置为一样    {        if(senddata.toFloat()<=32 && senddata.toFloat()>=15)        {            SendData(senddata,msg_Tempt);        }        else        {            showLog("输入的温度值不符，请确认值范围15-32中...");        }    }    QTimer::singleShot(120,this,[this](){        SendRepeatData();    });    QTimer::singleShot(240,this,[this](){        SendRepeatData();    });    QTimer::singleShot(360,this,[this](){        SendRepeatData();    });}void MainWindow::on_comboBox_currentIndexChanged(const QString &arg1){    m_ncom = arg1;}void MainWindow::on_pushButton_disconnect_clicked(){    if(m_port!=nullptr && m_port->isOpen())    {        disconnect(m_port, &QSerialPort::readyRead,this,&MainWindow::SlotMsgDecode);        unsigned char resetbuf[4] = {0x2E,0x81,0x01,0xF4};        m_port->clear();        m_port->write((char*)resetbuf,sizeof(resetbuf));        QTimer::singleShot(100,this,[this](){            m_port->close();            delete  m_port;            m_port = nullptr;            showLog("串口"+m_ncom+"已断开连接...");            m_connectStatus = 0x00;            m_msgStatus = false;            m_sendRepeatNum = 0;            m_timer->stop();        });    }}void MainWindow::on_action_automated_triggered(){    if(m_port == nullptr)    {        showLog("请先连接到串口...");        return;    }    showLog("自动化测试程序已启动...");    if(m_timer!=nullptr && !m_timer->isActive())    {        m_timer->start();        connect(m_timer,&QTimer::timeout,[=]{            uint tacho = ui->horizontalSlider->value();            tacho+=100;            tacho%=8100;            ui->horizontalSlider->setValue(tacho);            uint speed = ui->horizontalSlider_2->value();            speed += 10;            speed%=250;            ui->horizontalSlider_2->setValue(speed);            uint tempture = ui->horizontalSlider_3->value();            tempture+=1;            if(tempture == 33) tempture = 15;            ui->horizontalSlider_3->setValue(tempture);            ui->horizontalSlider_4->setValue(tempture);        });    }}void MainWindow::on_actionCancel_automated_triggered(){    if(m_timer->isActive())    {        m_timer->stop();        showLog("自动化测试程序已关闭...");    }    else    {        showLog("没有自动化测试在运行...");    }}void MainWindow::on_textBrowser_textChanged(){    ui->textBrowser->moveCursor(QTextCursor::End);}

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