serialportwriter.h Example File

cwriterasync/serialportwriter.h

  /****************************************************************************
  **
  ** Copyright (C) 2013 Laszlo Papp <lpapp@kde.org>
  ** Contact: http://www.qt.io/licensing/
  **
  ** This file is part of the QtSerialPort module of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:LGPL21$
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  **
  ** GNU Lesser General Public License Usage
  ** Alternatively, this file may be used under the terms of the GNU Lesser
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  #ifndef SERIALPORTWRITER_H
  #define SERIALPORTWRITER_H

  #include <QtSerialPort/QSerialPort>

  #include <QTextStream>
  #include <QTimer>
  #include <QByteArray>
  #include <QObject>

  QT_USE_NAMESPACE


  class SerialPortWriter : public QObject
  {
      Q_OBJECT

  public:
      SerialPortWriter(QSerialPort *serialPort, QObject *parent = 0);
      ~SerialPortWriter();

      void write(const QByteArray &writeData);

  private slots:
      void handleBytesWritten(qint64 bytes);
      void handleTimeout();
      void handleError(QSerialPort::SerialPortError error);

  private:
      QSerialPort     *m_serialPort;
      QByteArray      m_writeData;
      QTextStream     m_standardOutput;
      qint64          m_bytesWritten;
      QTimer          m_timer;
  };

  #endif