Qt设计无人艇人机交互界面

#include "mainwindowgps.h" #include "ui_mainwindowgps.h" #include<QDebug> #include <QList> #include <QWidget> #include <QtGui> #include <QComboBox> #include <QMessageBox> #include <QString> #include <QPainter> #include <QPoint> #include <QtMath> MainWindowGPS::MainWindowGPS(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindowGPS) { path = new QPainterPath; timer = new QTimer(this); ui->setupUi(this); ui->radarWidget->installEventFilter(this); // 使之能够直接在radarWidget中绘图 this->setFixedSize(this->width(),this->height());//固定窗口大小 setWindowTitle(tr("无人船导航定位系统")); QStringList strBaud; strBaud<<"4800"<<"9600"<<"115200"; ui->baudcomboBox->addItems(strBaud); initSeialPort(); connect(timer,SIGNAL(timeout()),this,SLOT(uptime())); connect(ui->biaojiBT, SIGNAL(clicked()), this, SLOT(Button())); connect(ui->help, SIGNAL(clicked()), this, SLOT(Button2())); ui->radarWidget->setAutoFillBackground(true); //Widget在画图前先填充背景。 QPalette palette=ui->radarWidget->palette(); palette.setBrush(QPalette::Window, QPixmap(":/BJ")); ui->radarWidget->setPalette(palette); } MainWindowGPS::~MainWindowGPS() { delete ui; delete timer; } int dcFlag = 0; // 标志位，当其为1的时候代表在radarwidget上显示出图点 double latData; double longData; int rflag = 0; int flag; //获取计算机上所有可用串口并添加到comboBox中 void MainWindowGPS::initSeialPort() { connect(&serial,SIGNAL(readyRead()),this,SLOT(serialRead())); //连接槽 QList<QSerialPortInfo> infos = QSerialPortInfo::availablePorts(); if(infos.isEmpty()) { ui->portcomboBox->addItem("无串口"); return; } foreach (QSerialPortInfo info, infos) { ui->portcomboBox->addItem(info.portName()); qDebug() <<"可选的串口有："<< info.portName(); } } void MainWindowGPS::serialRead() { int byteLen = serial.bytesAvailable(); //返回串口缓冲区字节 if(byteLen<=0) return; //减小内存占用 qDebug("缓冲的字节数byteLen=%d\n",byteLen); // QByteArray qa = serial.readAll();//读取设备数据 ui->textEdit->append(qa); //读取的数据用textedit来显示 gpsParse(qa); //读取的数据给gpsParse用来解析 ui->statusLabel->setText("读取中..."); } void MainWindowGPS::gpsParse(QByteArray GPSBuffer) { ui->radarWidget->update(); //刷新坐标系，实时显示图形 if(GPSBuffer.contains("$GNRMC") ) { dcFlag = 1; qDebug()<<"Start to go 接受数据"<<endl; rflag = 1; // can receive frame（能够接受帧） GPSBuffer=GPSBuffer.remove(0,GPSBuffer.indexOf("$GNRMC")); QList<QByteArray> gpsByteArrays = GPSBuffer.split(','); //纬度修改如下： ui->latlineEdit->setText(gpsByteArrays.value(1)); ui->latlineEdit->setAlignment(Qt::AlignCenter); QByteArray string; string =gpsByteArrays.value(1); latData = string.toDouble(); //经度修改如下： ui->longlineEdit->setText(gpsByteArrays.value(2)); ui->longlineEdit->setAlignment(Qt::AlignCenter); QByteArray string2; string2 =gpsByteArrays.value(2); longData = string2.toDouble(); ui->headlineEdit->setText(gpsByteArrays.value(3));//航向角 ui->headlineEdit->setAlignment(Qt::AlignCenter); /*舵角反馈*/ QByteArray string8; string8 =gpsByteArrays.value(4); char *mm=string8.data(); dj1=QString(QLatin1String(mm)); DJ1=QString("%1°").arg(dj1); ui->duojiao1->setText(DJ1);//° ui->duojiao1->setAlignment(Qt::AlignCenter); QByteArray string9; string9 =gpsByteArrays.value(5); char *nn=string9.data(); dj2=QString(QLatin1String(nn)); DJ2=QString("%1°").arg(dj2); ui->duojiao2->setText(DJ2);//° ui->duojiao2->setAlignment(Qt::AlignCenter); /*主机反馈*/ QByteArray string3; string3 =gpsByteArrays.value(6); /* int zj1 = static_cast<int>(string3.toDouble()); if(zj1<=25&&zj1>=-25) ZJ=QString("怠速"); else if(zj1>25&&zj1<=50) ZJ=QString("正一"); else if(zj1>50&&zj1<=75) ZJ=QString("正二"); else if(zj1>75&&zj1<=100) ZJ=QString("正三"); else if(zj1>=-50&&zj1<-25) ZJ=QString("倒一"); else if(zj1>=-75&&zj1<-50) ZJ=QString("倒二"); else ZJ=QString("倒三");*/ ui->zhuji1->setText(gpsByteArrays.value(6)); ui->zhuji1->setAlignment(Qt::AlignCenter); QByteArray string4; string4 =gpsByteArrays.value(7); /* int zj2 = static_cast<int>(string4.toDouble()); if(zj2<=25&&zj2>=-25) ZJ2=QString("怠速"); else if(zj2>25&&zj2<=50) ZJ2=QString("正一"); else if(zj2>50&&zj2<=75) ZJ2=QString("正二"); else if(zj2>75&&zj2<=100) ZJ2=QString("正三"); else if(zj2>=-50&&zj2<-25) ZJ2=QString("倒一"); else if(zj2>=-75&&zj2<-50) ZJ2=QString("倒二"); else ZJ2=QString("倒三"); */ ui->zhuji2->setText(gpsByteArrays.value(7)); ui->zhuji2->setAlignment(Qt::AlignCenter); // if(!gpsByteArrays.at(8).isEmpty()) /*双主机*/ QByteArray string5; string5 =gpsByteArrays.value(8); int zj3 = static_cast<int>(string5.toDouble()); SZJ=QString::number(zj3,10); if(zj3==6) { //ZJ=ZJ2; ui->zhuji1->setText(gpsByteArrays.value(6));//以左主机为准 ui->zhuji2->setText(gpsByteArrays.value(6)); } if(!zj3==6) { ui->zhuji1->setText(gpsByteArrays.value(6)); ui->zhuji2->setText(gpsByteArrays.value(7)); } /*船速*/ /* QByteArray string6; string6 =gpsByteArrays.value(9); qDebug()<<"东向速度："<<gpsByteArrays.value(9); double V1 = static_cast<int>(string6.toDouble()); qDebug()<<"V1："<<V1; QByteArray string7; string7 =gpsByteArrays.value(10); double V2 = static_cast<int>(string7.toDouble()); double V3 = sqrt(V1*V1+V2*V2); V4=QString("%1").arg(V3); V=QString("%1 km/h").arg(V4); ui->speed->setText(V); ui->speed->setAlignment(Qt::AlignCenter); */ } else { qDebug()<<"receive"<<endl; rflag = 0; serial.readAll(); // 读取缓冲区剩余数据 dcFlag = 0; } rflag = 0; } void MainWindowGPS::on_connectBtn_clicked() { timer->start(1000); QSerialPortInfo info; QList<QSerialPortInfo> infos = QSerialPortInfo::availablePorts(); int i = 0; foreach (info, infos) { if(info.portName() == ui->portcomboBox->currentText()) break; i++; } if(i != infos.size ()){//can find ui->statusLabel->setText("串口打开成功"); serial.close(); serial.setPort(info); serial.open(QIODevice::ReadWrite); //读写打开 serial.flush(); //存入缓冲区内待读取 switch (ui->baudcomboBox->currentIndex()) { case 0: serial.setBaudRate(QSerialPort::Baud4800); break; case 1: serial.setBaudRate(QSerialPort::Baud9600); qDebug()<<"设置的波特率�