毕业设计QT上位机部分.zip

#include "MainWindow.h" #include "ui_mainwindow.h" #include <QBarSet> #include <QTimer> void MainWindow::searchSerialPort() { ui->setPort->clear(); foreach(const QSerialPortInfo &info, QSerialPortInfo::availablePorts()) { QSerialPort ser; ser.clear(); ser.setPort(info); if(ser.open(QIODevice::ReadWrite)) { ui->setPort->addItem(ser.portName()); ser.close(); } } } void MainWindow::openButton() { if(ui->openButton->text()==tr("打开串口")) { //searchSerialPort(); //设置串口名 serial->setPortName(ui->setPort->currentText()); //serial->setPortName(ui->setPort->currentText()); //设置波特率 serial->setBaudRate(ui->setBaudRate->currentText().toInt(),QSerialPort::AllDirections); //设置数据位数 switch(ui->setDataBits->currentIndex()) { case 0:serial->setDataBits(QSerialPort::Data8);break; case 1:serial->setDataBits(QSerialPort::Data7);break; case 2:serial->setDataBits(QSerialPort::Data6);break; case 3:serial->setDataBits(QSerialPort::Data5);break; default: break; } //设置奇偶校验 switch(ui->setParitycheck->currentIndex()) { case 0: serial->setParity(QSerialPort::NoParity); break; case 1: serial->setParity(QSerialPort::OddParity); break; case 2: serial->setParity(QSerialPort::EvenParity); break; default: break; } //设置停止位 switch(ui->setStopBits->currentIndex()) { case 0: serial->setStopBits(QSerialPort::OneStop); break; case 1: serial->setStopBits(QSerialPort::OneAndHalfStop); break; case 2: serial->setStopBits(QSerialPort::TwoStop); break; default: break; } //设置流控制 serial->setFlowControl(QSerialPort::NoFlowControl); //serial->setFlowControl(QSerialPort::SoftwareControl); //关闭设置菜单使能 //ui->PortBox->setEnabled(false); ui->setBaudRate->setEnabled(false); ui->setStopBits->setEnabled(false); ui->setParitycheck->setEnabled(false); ui->setDataBits->setEnabled(false); ui->setPort->setEnabled(false); ui->searchButton->setEnabled(false); //ui->SendButton->setEnabled(true); ui->openButton->setText(tr("关闭串口")); //连接信号槽 QObject::connect(serial,SIGNAL(readyRead()),this,SLOT (Read_Data()),Qt::UniqueConnection); //打开串口 serial->open(QIODevice::ReadWrite); } else { //关闭串口 serial->clear(); serial->close(); //恢复设置使能 ui->setBaudRate->setEnabled(true); ui->setStopBits->setEnabled(true); ui->setParitycheck->setEnabled(true); ui->setDataBits->setEnabled(true); ui->setPort->setEnabled(true); ui->searchButton->setEnabled(true); //ui->sendButton->setEnabled(false); ui->openButton->setText(tr("打开串口")); QObject::disconnect(serial,SIGNAL(readyRead()),this,SLOT (Read_Data())); } exitButtonClick();//命令小车退出接收模式.进入选择等待模式. } //QString str; //QString valfirst = "#-_-#"; //QString vallast = "#^_^#"; //QString val; //int indexFirst; //int indexLast; //double dou; //if(RceiveStr.isNull())RceiveStr =ui->ReceivePlainTextEdit->toPlainText(); //RceiveStr+=QString::fromLocal8Bit(Rceivebuff); //str=QString::fromLocal8Bit(Rceivebuff); //indexFirst=str.indexOf(valfirst,0); //indexLast=str.indexOf(vallast,0); //val=str.mid(indexFirst+5,indexLast-5-indexFirst); //dou=val.toDouble(); //读取接收到的数据 void MainWindow::Read_Data() { QByteArray Rceivebuff; short k; Rceivebuff = serial->readAll(); if(!Rceivebuff.isEmpty()) { if((Rceivebuff[0]==(char)0xFE)&&(Rceivebuff[1]==(char)0x01)&&(Rceivebuff[2]==(char)0xFE)&&(Rceivebuff[3]==(char)0x01)) { k=((Rceivebuff[5])<<8)+(unsigned char)Rceivebuff[6]; set0->replace(0,(int)k); k=((Rceivebuff[7])<<8)+(unsigned char)Rceivebuff[8]; set0->replace(1,(int)k); k=((Rceivebuff[9])<<8)+(unsigned char)Rceivebuff[10]; set0->replace(2,(int)k); Bar->append(set0); k=((Rceivebuff[11])<<8)+(unsigned char)Rceivebuff[12]; airset0->replace(0,(int)k); airBar->append(airset0); RceiveStr.clear(); } else { if(RceiveStr.isNull())RceiveStr =ui->ReceivePlainTextEdit->toPlainText(); RceiveStr+=QString::fromLocal8Bit(Rceivebuff); ui->ReceivePlainTextEdit->clear(); ui->ReceivePlainTextEdit->appendPlainText(RceiveStr); RceiveStr.clear(); } } Rceivebuff.clear(); } //void MainWindow::StartfreshenButtonClick() //{ // if(ui->freshenButton->text()==tr("开始刷新")) // { // ui->backButton->setEnabled(false); // ui->LeftButton->setEnabled(false); // ui->rightButton->setEnabled(false); // ui->forwardButton->setEnabled(false); // ui->stopButton->setEnabled(false); // timer->start(100); // ui->freshenButton->setText(tr("暂停刷新")); // } // else // { // ui->backButton->setEnabled(true); // ui->LeftButton->setEnabled(true); // ui->rightButton->setEnabled(true); // ui->forwardButton->setEnabled(true); // ui->stopButton->setEnabled(true); // timer->stop(); // ui->freshenButton->setText(tr("开始刷新")); // } // //freshenButtonClick(); //} void MainWindow::clearButtonClick() { ui->ReceivePlainTextEdit->clear(); } ////刷新 //void MainWindow::freshenButtonClick() //{ // QByteArray buf; // ui->checkBox_1->setText("nrf发送模式"); // ui->checkBox_2->setText("nrf接收模式"); // buf.append(0xFE); // buf.append(0x01); // buf.append(0xFE); // buf.append(0x01); // buf.append(0x13); // buf.append(0x13); // buf.append(0x13); // buf.append(0x13); // serial->write(buf); //} void MainWindow::leftButtonClick() { QByteArray buf; if((ui->checkBox_1->isChecked())&&!(ui->checkBox_2->isChecked())) { buf.append(0xFE); buf.append(0x01); buf.append(0xFE); buf.append(0x01); buf.append(0x01); buf.append(0x01); buf.append(0x01); buf.append(0x01); serial->write(buf); } else if(!(ui->checkBox_1->isChecked())&&(ui->checkBox_2->isChecked())) { buf.append(0xFE); buf.append(0x01); buf.append(0xFE); buf.append(0x01); buf.append(0x09); buf.append(0x09); buf.append(0x09); buf.append(0x09); serial->write(buf); } else if((ui->checkBox_1->isChecked())&&(ui->checkBox_2->isChecked())) { buf.append(0xFE); buf.append(0x01); buf.append(0xFE); buf.append(0x01); buf.append(0x0E); buf.append(0x0E); buf.append(0x0E); buf.append(0x0E); serial->write(buf); } } void MainWindow::rightButtonClick() { QByteArray buf; if((ui->checkBox_1->isChecked())&&!(ui->checkBox_2->isChecked())) { buf.append(0xFE); buf.append(0x01); buf.append(0xFE); buf.append(0x01); buf.append(0x03); buf.append(0x03); buf.append(0x03); buf.append(0x03); serial->write(buf); } else if(!(