CodeLibrary/06_QtCreator_Cplus_SerialDebug_20240425/widget.cpp

#include "widget.h"
#include "ui_widget.h"

Widget::Widget(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::Widget)
{
    ui->setupUi(this);

    serialPort = new QSerialPort(this);

    // 修改窗口标题
    this->setWindowTitle("Design by JRNitre - Serial Port Debug Tools");

    // 读取系统可用串口
    // 发送到下拉框中
    ui->config_port_comboBox->clear();

    foreach(const QSerialPortInfo &info, QSerialPortInfo::availablePorts()){
        ui->config_port_comboBox->addItem(info.portName());
    }

    // 串口配置数据初始化

    // 默认接收&发送模式
    // TRUE - Hex
    // FALSE - Bool
    if (recive_config_select){
        ui->receive_hexmode->setChecked(1);
    }else{
        ui->receivetextmode->setChecked(1);
    }
    if (transmission_config_select){
        ui->transmission_hexmode->setChecked(1);
    }else{
        ui->transmission_textmode->setChecked(1);
    }

    // 链接信号与槽函数
    // 发送模式配置 -> hex模式被选择 -> Widget::receiveHex_selectSlot()
    connect(ui->receive_hexmode, &QRadioButton::pressed, this, &Widget::receiveHex_selectSlot);
    // 发送模式配置 -> text模式被选择 -> Widget::receiveText_selectSlot()
    connect(ui->receivetextmode, &QRadioButton::pressed, this, &Widget::receiveText_selectSlot);
    // 接收模式配置 -> hex模式被选择 -> Widget::transmissionHex_selectSlot()
    connect(ui->transmission_hexmode, &QRadioButton::pressed, this, &Widget::transmissionHex_selectSlot);
    // 接收模式配置 -> text模式被选择 -> Widget::transmissionText_selectSlot()
    connect(ui->transmission_textmode, &QRadioButton::pressed, this, &Widget::transmissionText_selectSlot);

    // 读取默认波特率并赋值
    baud_rate = ui->config_baud_comboBox->currentText().toInt();
    // 读取默认数据位长度并赋值
    data_bit = ui->config_databit_comboBox->currentText().toInt();
    // 读取默认停止位长度并赋值
    stop_bit = ui->config_stopbit_comboBox->currentText().toDouble() * 10;
    // 读取默认校验模式
    if (ui->config_check_comboBox->currentText() != "no"){
        if (ui->config_check_comboBox->currentText() == "odd"){
            check = 1;
        }
        if (ui->config_check_comboBox->currentText() == "even"){
            check = 2;
        }
    }else{
        check = 0;
    }

}

Widget::~Widget()
{
    delete ui;
}

// Button: Clear
void Widget::on_transmission_clear_Button_clicked()
{
    ui->transmission_Edit->clear();
}
void Widget::on_receive_clear_Button_clicked()
{
    ui->receive_Edit->clear();
}

// 手动更新串口列表
void Widget::on_updateport_Button_clicked()
{
    // 列出可用串口
    ui->config_port_comboBox->clear();

    foreach(const QSerialPortInfo &info, QSerialPortInfo::availablePorts()){
        ui->config_port_comboBox->addItem(info.portName());
    }
}

// 发送模式 - Hex 模式被选中
void Widget::receiveHex_selectSlot(){
    ui->receive_Edit->insertPlainText("Receive Hex select\n");
}

// 发送模式 - Text 模式被选中
void Widget::receiveText_selectSlot(){
    ui->receive_Edit->insertPlainText("Receive Text select\n");
}
// 接收模式 - Hex 模式被选中
void Widget::transmissionHex_selectSlot(){
    ui->receive_Edit->insertPlainText("Transmission Hex select\n");
}
// 接收模式 - Text 模式被选中
void Widget::transmissionText_selectSlot(){
    ui->receive_Edit->insertPlainText("Transmission Text select\n");
}

// 波特率选择
void Widget::on_config_baud_comboBox_currentIndexChanged(int index)
{
    baud_rate = ui->config_baud_comboBox->itemText(index).toInt();
    ui->receive_Edit->insertPlainText("baud rate to " + QString::number(baud_rate) + "\n");
}

// 数据位长度选择
void Widget::on_config_databit_comboBox_currentIndexChanged(int index)
{
    data_bit = ui->config_databit_comboBox->itemText(index).toInt();
    ui->receive_Edit->insertPlainText("data bit to " + QString::number(data_bit) + "\n");
}

// 停止位长度选择
void Widget::on_config_stopbit_comboBox_currentIndexChanged(int index)
{
    stop_bit = ui->config_stopbit_comboBox->itemText(index).toDouble() * 10;
    ui->receive_Edit->insertPlainText("stop bit to " + QString::number(stop_bit) + "\n");
}

void Widget::on_config_check_comboBox_currentIndexChanged(int index)
{
    if (ui->config_check_comboBox->itemText(index) != "no"){
        if (ui->config_check_comboBox->itemText(index) == "odd"){
            check = 1;
        }
        if (ui->config_check_comboBox->itemText(index) == "even"){
            check = 2;
        }
    }else{
        check = 0;
    }
    ui->receive_Edit->insertPlainText("check to " + QString::number(check) + "\n");
}

// 打开串口
void Widget::on_openserial_button_clicked()
{
    // 串口初始化
    // 串口号
    serialPort->setPortName(ui->config_port_comboBox->currentText());
    // 波特率
    switch (baud_rate) {
    case 4800:
        serialPort->setBaudRate(QSerialPort::Baud4800);
        break;
    case 9600:
        serialPort->setBaudRate(QSerialPort::Baud9600);
        break;
    case 38400:
        serialPort->setBaudRate(QSerialPort::Baud38400);
        break;
    case 115200:
        serialPort->setBaudRate(QSerialPort::Baud115200);
        break;
    }
    // 数据位
    switch (data_bit) {
    case 5:
        serialPort->setDataBits(QSerialPort::Data5);
        break;
    case 6:
        serialPort->setDataBits(QSerialPort::Data6);
        break;
    case 7:
        serialPort->setDataBits(QSerialPort::Data7);
        break;
    case 8:
        serialPort->setDataBits(QSerialPort::Data8);
        break;
    }
    // 停止位
    switch (stop_bit) {
    case 10:
        serialPort->setStopBits(QSerialPort::OneStop);
        break;
    case 15:
        serialPort->setStopBits(QSerialPort::OneAndHalfStop);
        break;
    case 20:
        serialPort->setStopBits(QSerialPort::TwoStop);
        break;
    }
    // 奇偶校验
    switch (check) {
    case 0:
        serialPort->setParity(QSerialPort::NoParity);
        break;
    case 1:
        serialPort->setParity(QSerialPort::OddParity);
        break;
    case 2:
        serialPort->setParity(QSerialPort::EvenParity);
        break;
    }

    // 按下后是否需要执行打开端口功能
    if (ui->openserial_button->text() == "Open Serial"){
        // 提示正在连接
        ui->receive_Edit->insertPlainText("Connect to Serial " + ui->config_port_comboBox->currentText() + " ...\n");
        // 端口开启成功
        if (serialPort->open(QIODevice::ReadWrite) == true){
            // 改变按钮名
            ui->openserial_button->setText("Close Serial");
            // 让端口下拉框不可选
            ui->config_port_comboBox->setEnabled(false);

            // 更新提示
            ui->status->setText("Connect to " + ui->config_port_comboBox->currentText());
            ui->status->setStyleSheet("color:green");

            // 提示用户已连接
            ui->receive_Edit->insertPlainText("Connect Succesufully! \n");
        }else{
            // 连接失败
            ui->receive_Edit->insertPlainText("Connect Faild\n");
        }
    }else{
        // 关闭串口
        serialPort->close();
        // 改变按钮名
        ui->openserial_button->setText("Open Serial");
        // 让端口下拉框可选
        ui->config_port_comboBox->setEnabled(true);

        ui->status->setText("Disconnect");
        ui->status->setStyleSheet("color:black");
    }
}

// Button: About
void Widget::on_about_button_clicked()
{
    QMessageBox::information(this, "Info", "null");
}