354 lines
8.9 KiB
C++
354 lines
8.9 KiB
C++
#include "mainwindow.h"
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#include "ui_mainwindow.h"
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MainWindow::MainWindow(QWidget *parent)
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: QMainWindow(parent)
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, ui(new Ui::MainWindow)
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{
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m_serialPort = new QSerialPort();
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ui->setupUi(this);
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ui->lcdNumber_temp->setDigitCount(8);
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initFigure();
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}
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MainWindow::~MainWindow()
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{
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if (m_serialPort->isOpen()) {
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m_serialPort->clear();
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m_serialPort->close();
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qDebug() << "exiting, clear and close serial port...";
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}
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delete m_serialPort;
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delete ui;
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}
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void MainWindow::msgBox(QWidget* ctx, QString title, QString content) {
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QMessageBox::information(ctx, title, content);
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}
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void MainWindow::msgBox(QWidget* ctx, QString content) {
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msgBox(ctx, "title", content);
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}
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void MainWindow::receiveData() {
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QByteArray msg = m_serialPort->readAll();
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qDebug() << "\nreceived data:" << msg.count() << msg.toHex();
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uint16_t LSB, MSB;
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int count = 0;
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if (msg.count() % 2 == 0) {
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count = msg.count() / 2;
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for (int i = 0; i < count; i ++) {
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MSB = ((uchar) msg.at(2 * i)) << 8;
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LSB = (uchar) msg.at(2 * i + 1);
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uint16_t tmp = MSB + LSB;
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uchar t_cmd = tmp >> 12;
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uint16_t t_data = tmp & 0xFFF;
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qDebug() << "CMD: " << t_cmd << " DATA: " << t_data;
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if (t_cmd == MCU_CMD_TEMP) {
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processTempData(t_data);
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}
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if (t_cmd == MCU_CMD_BODY) {
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processBodyData(t_data);
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}
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if (t_cmd == MCU_CMD_GAS_STATE) {
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processGasState(t_data);
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}
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if (t_cmd == MCU_CMD_GAS_DATA) {
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processGasData(t_data);
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}
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}
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} else {
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qDebug() << "\n [!] invalid command received";
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}
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}
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void MainWindow::initFigure() {
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m_chart = new QChart;
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m_chart->adjustSize();
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m_chartView = new QChartView(m_chart);
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m_chartView->adjustSize();
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m_series = new QLineSeries;
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m_chart->addSeries(m_series);
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axisX = new QValueAxis;
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axisX->setRange(0, 200);
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axisX->setLabelFormat("%g");
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axisX->setTitleText("采样时刻");
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axisY = new QValueAxis;
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axisY->setRange(0, 50);
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axisY->setTitleText(tr("温度值"));
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m_chart->setAxisX(axisX, m_series);
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m_chart->setAxisY(axisY, m_series);
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m_chart->legend()->hide();
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m_chart->setTitle(tr("实时温度采集数据"));
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}
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void MainWindow::processTempData(uint data) {
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static uchar s_flag = 0;
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float computed = 0.0;
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if (data > 0x800) {
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computed = (0xFFF - data) * (-0.0625);
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} else {
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computed = data * 0.0625;
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}
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ui->lcdNumber_temp->display(computed);
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if (s_flag == 0) {
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m_maxTemp = computed;
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m_minTemp = computed;
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s_flag = 1;
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ui->label_max_temp->setText(tr("最高温度: %1 ℃").arg(m_maxTemp));
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ui->label_min_temp->setText(tr("最低温度: %1 ℃").arg(m_minTemp));
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}
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if (computed > m_maxTemp + 0.1) {
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m_maxTemp = computed;
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ui->label_max_temp->setText(tr("最高温度: %1 ℃").arg(m_maxTemp));
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}
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if (computed < m_minTemp - 0.1) {
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m_minTemp = computed;
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ui->label_max_temp->setText(tr("最低温度: %1 ℃").arg(m_minTemp));
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}
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QVector<QPointF> newPoints;
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QVector<QPointF> oldPoints = m_series->pointsVector();
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if (oldPoints.count() <= (_DISPLAY_DATA_LENGTH_ - 1)) {
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oldPoints.append(QPointF(oldPoints.count(), computed));
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m_series->replace(oldPoints);
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} else {
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for (int i = 0; i < (_DISPLAY_DATA_LENGTH_ - 1); i ++) {
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newPoints.append(QPointF(i, oldPoints.at(i + 1).y()));
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}
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newPoints.append(QPointF(newPoints.count(), computed));
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m_series->replace(newPoints);
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}
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}
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void MainWindow::processBodyData(uint data) {
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}
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void MainWindow::processGasState(uint data) {
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}
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void MainWindow::processGasData(uint data) {
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}
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void MainWindow::on_btn_serial_search_clicked()
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{
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QStringList m_serialPortNameList;
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foreach(const QSerialPortInfo &info, QSerialPortInfo::availablePorts()) {
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m_serialPortNameList << info.portName();
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qDebug() << "Serial port discovered:" << info.portName();
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}
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ui->comboBox_serial->clear();
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ui->comboBox_serial->addItems(m_serialPortNameList);
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if (m_serialPortNameList.length() > 0) {
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ui->comboBox_serial->setCurrentIndex(0);
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}
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}
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void MainWindow::on_btn_serial_toggle_clicked()
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{
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if (ui->comboBox_serial->currentText() == "") {
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msgBox(this, "请选择串口");
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return;
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}
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if (m_serialPort->isOpen()) {
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m_serialPort->clear();
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m_serialPort->close();
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qDebug() << "Serial port closed";
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ui->btn_serial_toggle->setText("打开串口");
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// enable serial port comboBoxes
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ui->comboBox_serial->setDisabled(false);
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ui->comboBox_baud->setDisabled(false);
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ui->btn_serial_search->setDisabled(false);
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} else {
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// m_serialPort->setPortName("/dev/" + ui->comboBox_serial->currentText());
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m_serialPort->setPortName(ui->comboBox_serial->currentText());
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if (!m_serialPort->open(QIODevice::ReadWrite)) {
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msgBox(this, "串口打开失败", "串口被占用或不存在");
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qDebug() << "Serial open failed";
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return;
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}
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qDebug() << "Serial open successful";
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ui->btn_serial_toggle->setText("关闭串口");
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// handle baud rate
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QSerialPort::BaudRate t_BaudRate;
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switch (ui->comboBox_baud->currentIndex()) {
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case 0:
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t_BaudRate = QSerialPort::Baud2400;
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break;
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case 1:
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t_BaudRate = QSerialPort::Baud4800;
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break;
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case 2:
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t_BaudRate = QSerialPort::Baud9600;
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break;
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case 3:
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t_BaudRate = QSerialPort::Baud115200;
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break;
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default:
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t_BaudRate = QSerialPort::Baud9600;
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break;
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}
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// serial port configuration
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m_serialPort->setBaudRate(t_BaudRate);
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m_serialPort->setDataBits(QSerialPort::Data8);
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m_serialPort->setFlowControl(QSerialPort::NoFlowControl);
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m_serialPort->setParity(QSerialPort::NoParity);
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m_serialPort->setStopBits(QSerialPort::OneStop);
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connect(m_serialPort, SIGNAL(readyRead()), this, SLOT(receiveData()));
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// disable serial port comboBoxes
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ui->comboBox_serial->setDisabled(true);
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ui->comboBox_baud->setDisabled(true);
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ui->btn_serial_search->setDisabled(true);
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}
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}
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void MainWindow::on_comboBox_sys_mode_currentIndexChanged(int index)
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{
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static char buff = 0xff;
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switch (index) {
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case 0:
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buff = CTRL_CODE_SYSMODE_Disable;
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break;
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case 1:
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buff = CTRL_CODE_SYSMODE_Telemetry;
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break;
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case 2:
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buff = CTRL_CODE_SYSMODE_Security;
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break;
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}
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if (!m_serialPort->isOpen()) {
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msgBox(this, "未连接设备");
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return;
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}
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m_serialPort->write(&buff, sizeof(buff));
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}
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void MainWindow::on_comboBox_cycle_currentIndexChanged(int index)
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{
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static char buff = 0xff;
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switch (index) {
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case 0:
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buff = CTRL_CODE_CYCLE_500ms;
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break;
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case 1:
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buff = CTRL_CODE_CYCLE_1s;
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break;
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case 2:
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buff = CTRL_CODE_CYCLE_2s;
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break;
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case 3:
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buff = CTRL_CODE_CYCLE_5s;
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break;
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}
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if (!m_serialPort->isOpen()) {
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msgBox(this, "未连接设备");
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return;
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}
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m_serialPort->write(&buff, sizeof(buff));
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}
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void MainWindow::on_comboBox_temp_fetch_currentIndexChanged(int index)
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{
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static char buff = 0xff;
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switch (index) {
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case 0:
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buff = CTRL_CODE_TEMP_Disable;
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break;
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case 1:
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buff = CTRL_CODE_TEMP_Enable;
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break;
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}
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if (!m_serialPort->isOpen()) {
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msgBox(this, "未连接设备");
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return;
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}
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m_serialPort->write(&buff, sizeof(buff));
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}
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void MainWindow::on_comboBox_body_fetch_currentIndexChanged(int index)
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{
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static char buff = 0xff;
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switch (index) {
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case 0:
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buff = CTRL_CODE_BODY_Disable;
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break;
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case 1:
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buff = CTRL_CODE_BODY_Buzzer;
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break;
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case 2:
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buff = CTRL_CODE_BODY_Light;
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break;
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}
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if (!m_serialPort->isOpen()) {
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msgBox(this, "未连接设备");
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return;
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}
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m_serialPort->write(&buff, sizeof(buff));
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}
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void MainWindow::on_comboBox_gas_fetch_currentIndexChanged(int index)
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{
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static char buff = 0xff;
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switch (index) {
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case 0:
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buff = CTRL_CODE_GAS_Disable;
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break;
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case 1:
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buff = CTRL_CODE_GAS_State;
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break;
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case 2:
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buff = CTRL_CODE_GAS_Data;
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break;
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}
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if (!m_serialPort->isOpen()) {
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msgBox(this, "未连接设备");
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return;
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}
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m_serialPort->write(&buff, sizeof(buff));
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}
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void MainWindow::on_pushButton_temp_details_clicked()
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{
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myDialog *dialog = new myDialog();
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dialog->myWidget->addWidget(m_chartView);
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dialog->exec();
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}
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