void IOThread::run(){

QSerialPort serial;
serial.setPortName(portname)
serial.setBaudRage(QSerialPort::Baud115200);
serial.setStopBits(QSerialPort::OneStop)
serial.setParity(QSerialPort::NoParity);
serial.setDataBits(QSerialPort::Data8);
serial.setFlowControl(QSerialPort::NoFlowControl);

if(!serial.open(QIODevice::ReadWrite)
{
    qDebug() << "Error Opening Port";
    return;
}

while(true)
{
    if(serial.waitForReadyRead(1000))
    {
        qDebug() << "Normal read";
        reception_buffer = serial.readAll();
    }
    else
    {
        qDebug() << "Timeout";
        //serial.readAll() here will read huge chunk of data
        continue;
    }
}

// Process data...
}

if(serial.waitForReadyRead(-1))