Qt5.10 串口助手源码

#include "mainwindow.h" #include "ui_mainwindow.h" #include <QMessageBox> #include <QValidator> MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow),m_serial(new QSerialPort(this)) { ui->setupUi(this); setWindowIcon(QIcon("/new/icon/icon.jpeg")); setWindowTitle(tr("SerialPort Assistant")); setFixedSize(size()); ui->pushButtonConnect->setText(tr("Connect")); ui->pushButtonRefresh->setText(tr("Refresh")); fillPortsParameters(); ui->plainTextEditReceive->setReadOnly(true); ui->labelTipCategory->setText(tr("")); ui->labelTipCategory->setLineWidth(ui->groupBoxSendWay->width()); ui->labelTipContent->setText(tr("")); ui->radioButtonRecChar->setText(tr("By character")); ui->radioButtonRecChar->setChecked(true); ui->radioButtonRecHex->setText(tr("By hexadecimal")); ui->radioButtonSendChar->setText(tr("By character")); ui->radioButtonSendChar->setChecked(true); ui->radioButtonSendHex->setText(tr("By hexadecimal")); ui->groupBoxConfig->setTitle(tr("Config")); ui->groupBoxReceiveWay->setTitle(tr("Receive way")); ui->groupBoxSendWay->setTitle(tr("Send way")); ui->groupBoxReceiveArea->setTitle(tr("Receive content")); ui->groupBoxSendArea->setTitle(tr("Send content")); ui->labelGapTime->setText(tr("Period(ms)")); ui->checkBoxAutoSend->setText(tr("AutoSend")); ui->lineEditGaptime->setValidator(new QIntValidator(1,99999,this)); changeAutoCheckState(); timer = new QTimer(this); connect(timer, SIGNAL(timeout()), this,SLOT(sendOutMeaage())); connect(ui->lineEditGaptime, &QLineEdit::textChanged, this, &MainWindow::changeAutoCheckState); connect(m_serial, &QSerialPort::errorOccurred, this, &MainWindow::handleError); connect(m_serial, &QSerialPort::readyRead, this, &MainWindow::readData); } MainWindow::~MainWindow() { delete ui; } void MainWindow::fillPortsParameters() { ui->labelRate->setText(tr("BaudRate:")); ui->comboBoxRate->addItem(QStringLiteral("9600"), QSerialPort::Baud9600); ui->comboBoxRate->addItem(QStringLiteral("19200"), QSerialPort::Baud19200); ui->comboBoxRate->addItem(QStringLiteral("38400"), QSerialPort::Baud38400); ui->comboBoxRate->addItem(QStringLiteral("115200"), QSerialPort::Baud115200); ui->labelDataBits->setText(tr("Data bits:")); ui->comboBoxDataBits->addItem(QStringLiteral("5"), QSerialPort::Data5); ui->comboBoxDataBits->addItem(QStringLiteral("6"), QSerialPort::Data6); ui->comboBoxDataBits->addItem(QStringLiteral("7"), QSerialPort::Data7); ui->comboBoxDataBits->addItem(QStringLiteral("8"), QSerialPort::Data8); ui->comboBoxDataBits->setCurrentIndex(3); ui->labelParity->setText(tr("Parity:")); ui->comboBoxParity->addItem(tr("None"), QSerialPort::NoParity); ui->comboBoxParity->addItem(tr("Even"), QSerialPort::EvenParity); ui->comboBoxParity->addItem(tr("Odd"), QSerialPort::OddParity); ui->comboBoxParity->addItem(tr("Mark"), QSerialPort::MarkParity); ui->comboBoxParity->addItem(tr("Space"), QSerialPort::SpaceParity); ui->labelStopBits->setText(tr("Stop bits:")); ui->comboBoxStopBits->addItem(QStringLiteral("1"), QSerialPort::OneStop); ui->comboBoxStopBits->addItem(QStringLiteral("2"), QSerialPort::TwoStop); ui->labelPort->setText(tr("Seril Port:")); fillPortsInfo(); } void MainWindow::changeAutoCheckState() { if(ui->lineEditGaptime->hasAcceptableInput()) { ui->checkBoxAutoSend->setCheckable(true); } else { ui->checkBoxAutoSend->setCheckable(false); } } void MainWindow::on_pushButtonRefresh_clicked() { fillPortsInfo(); } void MainWindow::on_pushButtonConnect_clicked() { if(m_serial->isOpen()) { closeSerialPort(); ui->pushButtonConnect->setText(tr("Connect")); } else { m_serial->setPortName(ui->comboBoxPort->currentText()); m_serial->setBaudRate(static_cast<QSerialPort::BaudRate>(ui->comboBoxRate->itemData(ui->comboBoxRate->currentIndex()).toInt())); m_serial->setDataBits(static_cast<QSerialPort::DataBits>(ui->comboBoxDataBits->itemData(ui->comboBoxDataBits->currentIndex()).toInt())); m_serial->setParity(static_cast<QSerialPort::Parity>(ui->comboBoxParity->itemData(ui->comboBoxParity->currentIndex()).toInt())); m_serial->setFlowControl(QSerialPort::NoFlowControl); if (m_serial->open(QIODevice::ReadWrite)) { showStatusMessage(tr("Connection:"),tr("Connect Successful!")); ui->pushButtonConnect->setText(tr("Disconnect")); } else { showStatusMessage(tr("Connection:"),m_serial->errorString()); } } } void MainWindow::sendOutMeaage() { const QString sendString(ui->plainTextEditSend->toPlainText()); if(ui->radioButtonSendHex->isChecked()) { bool ok; QByteArray temp; QStringList list(sendString.simplified().split(" ")); for(QString &e : list) { temp.append(e.toInt(&ok, 16) & 0xFF); } if(ok) { m_serial->write(temp); } else { showStatusMessage(tr("Error"), tr("Unknown hexadecimal")); deactiveAuto(); QMessageBox::critical(this, tr("Error"), tr("Unknown hexadecimal")); } } else { m_serial->write(QByteArray(sendString.toUtf8())); } } void MainWindow::on_pushButtonClear_clicked() { ui->plainTextEditReceive->clear(); } void MainWindow::fillPortsInfo() { ui->comboBoxPort->clear(); const auto infos = QSerialPortInfo::availablePorts(); if(infos.size() == 0) { ui->comboBoxPort->addItem(tr("None")); ui->pushButtonConnect->setEnabled(false); } else { ui->pushButtonConnect->setEnabled(true); for (const QSerialPortInfo &info : infos) { ui->comboBoxPort->addItem(info.portName()); } } } void MainWindow::readData() { const QByteArray data(m_serial->readAll()); if(ui->radioButtonRecHex->isChecked()) { std::string temp(data.toHex().toUpper().toStdString()); QString toBeShow; for(auto it = temp.begin(); it != temp.end(); ++it) { toBeShow.append(*it++).append(*it).append(" "); } ui->plainTextEditReceive->appendPlainText(toBeShow); }else { ui->plainTextEditReceive->appendPlainText(data); } } void MainWindow::closeSerialPort() { m_serial->close(); showStatusMessage(tr("Connection:"),tr("Disconnected")); } void MainWindow::handleError(QSerialPort::SerialPortError error) { if(error == QSerialPort::NoError) return; if (error == QSerialPort::ResourceError) { closeSerialPort(); } QMessageBox::critical(this, tr("Error"), m_serial->errorString()); deactiveAuto(); } void MainWindow::showStatusMessage(const QString &category, const QString &content) { ui->labelTipCategory->setText(category); ui->labelTipContent->setText(content); } void MainWindow::activeAuto() { if(ui->plainTextEditSend->toPlainText().size() == 0) return; timer->start(ui->lineEditGaptime->text().toInt()); ui->pushButtonSend->setText(tr("Stop")); timer->start(); } void MainWindow::deactiveAuto() { ui->pushButtonSend->setText(tr("Send")); timer->stop(); } void MainWindow::on_pushButtonSend_clicked() { if(ui->checkBoxAutoSend->isChecked()) { if(timer->isActive()) deactiveAuto(); else activeAuto(); } else sendOutMeaage(); }