QT串口数据读取异常

曲79 2024-12-14 18:00:55

void MainWindow::on_serial_open_clicked()
{
    QSerialPort serial;
    serial.setPortName(ui->serial_box->currentText());
    serial.setBaudRate(ui->bate_box->currentText().toInt());
    serial.setDataBits(QSerialPort::Data8);
    serial.setParity(QSerialPort::NoParity);
    serial.setStopBits(QSerialPort::OneStop);
    qDebug() << serial.portName() << serial.baudRate() << endl;
    if (serial.open(QIODevice::ReadOnly))
    {
        qDebug() << "串口打开成功";
        if(serial.waitForReadyRead(1000))
        {
            for(int i = 0; i <= 100; i++)
            {
                data_efficient = convert_data(serial);
                qDebug() << data_efficient;
            }
            serial.close();
            qDebug() << "串口已关闭";
        }
        else
        {
            qDebug() << "串口连接超时";
            serial.close();
            qDebug() << "串口已关闭";
        }
    }
    else
    {
        qDebug() << "串口打开失败:" << serial.errorString();
    }
}


void MainWindow::on_serial_check_clicked()
{
    ui->serial_box->clear();
    foreach (const QSerialPortInfo &serial_info, QSerialPortInfo::availablePorts())
    {
        ui->serial_box->addItem(serial_info.portName());
    }
}

QList<QString> convert_data(QSerialPort &serial)
{
    QList<QString> convert;
    for(int i = 0; i <= 32; i++)
    {
        convert.append(serial.read(1).toHex());
    }
    return convert;
}