serialportreader.cpp Example File

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 ** Copyright (C) 2013 Laszlo Papp <lpapp@kde.org>
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 #include "serialportreader.h"

 #include <QCoreApplication>

 SerialPortReader::SerialPortReader(QSerialPort *serialPort, QObject *parent) :
     QObject(parent),
     m_serialPort(serialPort),
     m_standardOutput(stdout)
 {
     connect(m_serialPort, &QSerialPort::readyRead, this, &SerialPortReader::handleReadyRead);
     connect(m_serialPort, &QSerialPort::errorOccurred, this, &SerialPortReader::handleError);
     connect(&m_timer, &QTimer::timeout, this, &SerialPortReader::handleTimeout);

     m_timer.start(5000);
 }

 void SerialPortReader::handleReadyRead()
 {
     m_readData.append(m_serialPort->readAll());

     if (!m_timer.isActive())
         m_timer.start(5000);
 }

 void SerialPortReader::handleTimeout()
 {
     if (m_readData.isEmpty()) {
         m_standardOutput << QObject::tr("No data was currently available "
                                         "for reading from port %1")
                             .arg(m_serialPort->portName())
                          << endl;
     } else {
         m_standardOutput << QObject::tr("Data successfully received from port %1")
                             .arg(m_serialPort->portName())
                          << endl;
         m_standardOutput << m_readData << endl;
     }

     QCoreApplication::quit();
 }

 void SerialPortReader::handleError(QSerialPort::SerialPortError serialPortError)
 {
     if (serialPortError == QSerialPort::ReadError) {
         m_standardOutput << QObject::tr("An I/O error occurred while reading "
                                         "the data from port %1, error: %2")
                             .arg(m_serialPort->portName())
                             .arg(m_serialPort->errorString())
                          << endl;
         QCoreApplication::exit(1);
     }
 }