feat: serial communication with mcu and temperature charts
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parent
3f60026f3c
commit
3eebd8fe52
@ -10,10 +10,12 @@ CONFIG += c++17 console
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SOURCES += \
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main.cpp \
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mainwindow.cpp
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mainwindow.cpp \
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mydialog.cpp
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HEADERS += \
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mainwindow.h \
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mydialog.h \
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serial_command.h
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FORMS += \
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121
mainwindow.cpp
121
mainwindow.cpp
@ -8,6 +8,9 @@ MainWindow::MainWindow(QWidget *parent)
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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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@ -30,10 +33,116 @@ void MainWindow::msgBox(QWidget* ctx, QString content) {
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}
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void MainWindow::receiveData() {
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QByteArray data = m_serialPort->readAll();
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qDebug() << "\nreceived data:" << data.length() << data.toHex();
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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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@ -234,3 +343,11 @@ void MainWindow::on_comboBox_gas_fetch_currentIndexChanged(int index)
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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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37
mainwindow.h
37
mainwindow.h
@ -9,7 +9,20 @@
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#include <QSerialPortInfo>
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#include <QDebug>
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#include <QtCharts/QChartGlobal>
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#include <QtCharts/QChartView>
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#include <QtCharts/QLineSeries>
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#include <QtCharts/QChart>
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#include <QtCharts/QValueAxis>
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QT_BEGIN_NAMESPACE
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class QLineSeries;
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class QChart;
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QT_END_NAMESPACE
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QT_USE_NAMESPACE
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#include <serial_command.h>
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#include <mydialog.h>
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QT_BEGIN_NAMESPACE
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namespace Ui {
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@ -28,10 +41,10 @@ public:
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void msgBox(QWidget* ctx, QString content);
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void initFigure();
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void processTempData();
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void processBodyData();
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void processGasState();
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void processGasData();
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void processTempData(uint data);
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void processBodyData(uint data);
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void processGasState(uint data);
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void processGasData(uint data);
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private slots:
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void receiveData();
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@ -50,9 +63,25 @@ private slots:
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void on_comboBox_gas_fetch_currentIndexChanged(int index);
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void on_pushButton_temp_details_clicked();
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private:
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Ui::MainWindow *ui;
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QSerialPort* m_serialPort;
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QChart *m_chart;
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QChartView *m_chartView;
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QLineSeries *m_series;
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QValueAxis *axisX;
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QValueAxis *axisY;
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float m_maxTemp;
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float m_minTemp;
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QChart *m_chartGas;
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QChartView *m_chartViewGas;
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QLineSeries *m_seriesGas;
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QValueAxis *axisXGas;
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QValueAxis *axisYGas;
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};
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#endif // MAINWINDOW_H
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@ -1260,16 +1260,22 @@
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</size>
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</property>
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<property name="smallDecimalPoint">
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<bool>false</bool>
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<bool>true</bool>
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</property>
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<property name="digitCount">
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<number>6</number>
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</property>
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<property name="mode">
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<enum>QLCDNumber::Mode::Dec</enum>
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</property>
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<property name="segmentStyle">
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<enum>QLCDNumber::SegmentStyle::Filled</enum>
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<enum>QLCDNumber::SegmentStyle::Flat</enum>
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</property>
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<property name="value" stdset="0">
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<double>30.125000000000000</double>
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<double>0.000000000000000</double>
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</property>
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<property name="intValue" stdset="0">
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<number>0</number>
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</property>
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</widget>
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</item>
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@ -1280,7 +1286,7 @@
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<item>
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<widget class="QLabel" name="label_max_temp">
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<property name="text">
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<string>最高温度: 85C</string>
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<string>最高温度: -- ℃</string>
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</property>
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</widget>
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</item>
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@ -1290,7 +1296,7 @@
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<string notr="true"/>
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</property>
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<property name="text">
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<string>最低温度: 29.5C</string>
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<string>最低温度: -- ℃</string>
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</property>
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</widget>
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</item>
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@ -1308,14 +1314,14 @@
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<item>
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<widget class="QLabel" name="label_gas_current">
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<property name="text">
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<string>当前气体浓度: 0.00122</string>
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<string>当前气体浓度: 0.00</string>
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</property>
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</widget>
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</item>
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<item>
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<widget class="QLabel" name="label_gas_max">
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<property name="text">
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<string>最高气体浓度: 0.001220</string>
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<string>最高气体浓度: 0.00</string>
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</property>
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</widget>
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</item>
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@ -1382,6 +1388,9 @@
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</item>
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<item>
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<widget class="QComboBox" name="comboBox_baud">
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<property name="currentIndex">
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<number>1</number>
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</property>
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<item>
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<property name="text">
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<string>2400</string>
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@ -1391,6 +1400,9 @@
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<property name="text">
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<string>4800</string>
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</property>
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<property name="icon">
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<iconset theme="applications-development"/>
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</property>
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</item>
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<item>
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<property name="text">
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17
mydialog.cpp
Normal file
17
mydialog.cpp
Normal file
@ -0,0 +1,17 @@
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#include "mydialog.h"
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#include<QHBoxLayout>
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#include<QVBoxLayout>
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myDialog::myDialog(QWidget *parent) : QDialog(parent)
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{
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QHBoxLayout *hLayout = new QHBoxLayout();
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myWidget = new QStackedWidget(this);
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OKbtn = new QPushButton(tr("OK"),this);
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Cancelbtn = new QPushButton(tr("Cancel"),this);
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hLayout->addWidget(OKbtn);
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hLayout->addWidget(Cancelbtn);
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QVBoxLayout *vLayout = new QVBoxLayout(this);
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vLayout->addWidget(myWidget);
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vLayout->addLayout(hLayout);
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connect(OKbtn,SIGNAL(clicked()),this,SLOT(close()));
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connect(Cancelbtn,SIGNAL(clicked()),this,SLOT(close()));
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}
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20
mydialog.h
Normal file
20
mydialog.h
Normal file
@ -0,0 +1,20 @@
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#ifndef MYDIALOG_H
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#define MYDIALOG_H
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#include <QDialog>
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#include<QPushButton>
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#include<QStackedWidget>
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class myDialog : public QDialog
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{
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Q_OBJECT
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public:
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explicit myDialog(QWidget *parent = 0);
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QPushButton* OKbtn;
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QPushButton* Cancelbtn;
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QStackedWidget *myWidget;
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signals:
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public slots:
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};
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#endif // MYDIALOG_H
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