RF ID原理与应用课程大作业课程资源-嵌入式

#include "mainwindow.h" #include "ui_mainwindow.h" bool isOpen = false; static const char blankString[] = QT_TRANSLATE_NOOP("SettingsDialog", "N/A"); const QString ORDER_ERROR = "警告：请先打开串口！"; const QString OPEN_ERROR = "错误：打开串口失败，请检查是否被其他程序占用或接线错误"; const QString CLOSE_ERROR = "错误：关闭串口失败，请检查是否已关闭串口或接线断开"; const QString OPEN_SUCCESS = "串口打开成功"; const QString CLOSE_SUCCESS = "\n串口成功关闭"; const QString OPERATION_TIPS = "提示信息：选择读卡模式后可自动寻卡！"; const QString READCARD_TIPS = "等待读卡："; const QString CLOSEANTENNA_TIPS = "关闭天线："; const QString READCARD_SUCCESS = "刷卡成功，可继续操作！"; const QString CLOSEANTENNA_SUCCESS = "天线已关闭，退出读卡模式！"; MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) , ui(new Ui::MainWindow) { ui->setupUi(this); current = new QSerialPort; QString description; QString manufacturer; QString serialNumber; uiHelper = new UiHelper(); mysqlUtil = new MysqlUtil(); mysqlUtil->openDatabase(); //test //mysqlUtil->openDatabase(); //mysqlUtil->testInsert("lyy","111"); //获取可以用的串口 QList<QSerialPortInfo> serialPortInfos = QSerialPortInfo::availablePorts(); //输出当前系统可以使用的串口个数 qDebug() << "Total numbers of ports: " << serialPortInfos.count(); //将所有可以使用的串口设备添加到ComboBox中 for (const QSerialPortInfo &serialPortInfo : serialPortInfos) { QStringList list; description = serialPortInfo.description(); manufacturer = serialPortInfo.manufacturer(); serialNumber = serialPortInfo.serialNumber(); list << serialPortInfo.portName() << (!description.isEmpty() ? description : blankString) << (!manufacturer.isEmpty() ? manufacturer : blankString) << (!serialNumber.isEmpty() ? serialNumber : blankString) << serialPortInfo.systemLocation() << (serialPortInfo.vendorIdentifier() ? QString::number(serialPortInfo.vendorIdentifier(), 16) : blankString) << (serialPortInfo.productIdentifier() ? QString::number(serialPortInfo.productIdentifier(), 16) : blankString); ui->comboBox_serialPort->addItem(list.first(), list); } //设置波特率 ui->comboBox_baudRate->addItem(QStringLiteral("1200"), QSerialPort::Baud1200); ui->comboBox_baudRate->addItem(QStringLiteral("2400"), QSerialPort::Baud2400); ui->comboBox_baudRate->addItem(QStringLiteral("4800"), QSerialPort::Baud4800); ui->comboBox_baudRate->addItem(QStringLiteral("9600"), QSerialPort::Baud9600); ui->comboBox_baudRate->addItem(QStringLiteral("19200"), QSerialPort::Baud19200); ui->comboBox_baudRate->addItem(QStringLiteral("38400"), QSerialPort::Baud38400); ui->comboBox_baudRate->addItem(QStringLiteral("57600"), QSerialPort::Baud57600); ui->comboBox_baudRate->addItem(QStringLiteral("115200"), QSerialPort::Baud115200); ui->comboBox_baudRate->setCurrentIndex(3); //显示区条件初始化 //ui->isHexRead->setCheckState(Qt::CheckState::Checked); ui->isReadLine->setCheckState(Qt::CheckState::Checked); ui->isReadPortError->setCheckState(Qt::CheckState::Checked); ui->isReadPortStatus->setCheckState(Qt::CheckState::Checked); ui->isReadTips->setCheckState(Qt::CheckState::Checked); ui->isReadTime->setCheckState(Qt::CheckState::Checked); ui->le_cardID->setReadOnly(true);//卡号显示区不可编辑 ui->le_balance->setReadOnly(true);//余额不可直接修改 ui->text_read->setReadOnly(true);//显示区不可直接修改 } MainWindow::~MainWindow() { mysqlUtil->closeDatabase(); delete mysqlUtil; delete ui; delete temp; delete current; delete uiHelper; } void MainWindow::on_btn_openPort_clicked() { qDebug() << ui->btn_openPort->text(); if(ui->btn_openPort->text()==tr("打开串口")){ //设置串口名字 current->setPortName(ui->comboBox_serialPort->currentText()); //设置波特率 current->setBaudRate(ui->comboBox_baudRate->currentText().toInt()); //设置数据位 current->setDataBits(QSerialPort::Data8); //设置奇偶校验位 current->setParity(QSerialPort::NoParity); //设置停止位 current->setStopBits(QSerialPort::OneStop); //设置流控 current->setFlowControl(QSerialPort::NoFlowControl); if(current->open(QIODevice::ReadWrite)){ //尝试打开串口 textEditFormat(OPEN_SUCCESS,0); textEditFormat(OPERATION_TIPS,2); ui->comboBox_serialPort->setEnabled(false); ui->comboBox_baudRate->setEnabled(false); ui->btn_checkPort->setEnabled(false); ui->btn_openPort->setText("关闭串口"); isOpen = true; connect(current,&QSerialPort::readyRead,this,&MainWindow::readData); } else { textEditFormat(OPEN_ERROR,1); qDebug() << "打开串口异常"; } } else { current->close(); if(!current->isOpen()){ textEditFormat(CLOSE_SUCCESS,0); isOpen = false; } else { textEditFormat(CLOSE_ERROR,1); qDebug() << "关闭串口异常"; } ui->comboBox_serialPort->setEnabled(true); ui->comboBox_baudRate->setEnabled(true); ui->btn_checkPort->setEnabled(true); ui->btn_openPort->setText("打开串口"); } } void MainWindow::readData(){ QByteArray readBuffer; qDebug() << "readData:" << endl; readBuffer = current->readAll(); if(!readBuffer.isEmpty()){ //ui->text_read->append(QString::fromUtf8(readBuffer)); readByteArray(readBuffer); } } void MainWindow::on_btn_checkPort_clicked() { //设置串口名字 current->setPortName(ui->comboBox_serialPort->currentText()); //设置波特率 current->setBaudRate(ui->comboBox_baudRate->currentText().toInt()); //设置数据位 current->setDataBits(QSerialPort::Data8); //设置奇偶校验位 current->setParity(QSerialPort::NoParity); //设置停止位 current->setStopBits(QSerialPort::OneStop); //设置流控 current->setFlowControl(QSerialPort::NoFlowControl); if(current->open(QIODevice::ReadWrite)){ QMessageBox::warning(this,"提示","串口打开正常",QMessageBox::Ok); qDebug() << "打开串口正常"; } else { QMessageBox::warning(this,"警告","串口打开失败",QMessageBox::Ok); qDebug() << "打开串口异常"; } current->close(); if(!current->isOpen()){ QMessageBox::warning(this,"提示","串口关闭正常",QMessageBox::Ok); qDebug() << "关闭串口正常"; } else { QMessageBox::warning(this,"警告","串口关闭失败",QMessageBox::Ok); qDebug() << "关闭串口异常"; } } void MainWindow::readByteArray(QByteArray readBuffer){ if(ui->isHexRead->isChecked()){ //直接输出16进制数据 textEditFormat(uiHelper->byteArrayToHexStr(readBuffer),216); } else { if(currentCMD == readCard) { int len = readBuffer.length(); if(len != 6) { textEditFormat("错误：数据长度异常！",1); } else { byte temp = readBuffer[0]; for (int i = 1; i < 5; i++) { temp ^= readBuffer[i]; } byte bcc = readBuffer[5]; if(temp != bcc)