OSCAR-code/3rdparty/qtserialport/examples/serialport/creadersync/main.cpp

/****************************************************************************
**
** Copyright (C) 2013 Laszlo Papp <lpapp@kde.org>
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtSerialPort module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include <QtSerialPort/QSerialPort>

#include <QTextStream>
#include <QCoreApplication>
#include <QStringList>

QT_USE_NAMESPACE

int main(int argc, char *argv[])
{
    QCoreApplication coreApplication(argc, argv);
    int argumentCount = QCoreApplication::arguments().size();
    QStringList argumentList = QCoreApplication::arguments();

    QTextStream standardOutput(stdout);

    if (argumentCount == 1) {
        standardOutput << QObject::tr("Usage: %1 <serialportname> [baudrate]").arg(argumentList.first()) << endl;
        return 1;
    }

    QSerialPort serialPort;
    QString serialPortName = argumentList.at(1);
    serialPort.setPortName(serialPortName);

    int serialPortBaudRate = (argumentCount > 2) ? argumentList.at(2).toInt() : QSerialPort::Baud9600;
    serialPort.setBaudRate(serialPortBaudRate);

    if (!serialPort.open(QIODevice::ReadOnly)) {
        standardOutput << QObject::tr("Failed to open port %1, error: %2").arg(serialPortName).arg(serialPort.error()) << endl;
        return 1;
    }

    QByteArray readData = serialPort.readAll();
    while (serialPort.waitForReadyRead(5000))
        readData.append(serialPort.readAll());

    if (serialPort.error() == QSerialPort::ReadError) {
        standardOutput << QObject::tr("Failed to read from port %1, error: %2").arg(serialPortName).arg(serialPort.errorString()) << endl;
        return 1;
    } else if (serialPort.error() == QSerialPort::TimeoutError && readData.isEmpty()) {
        standardOutput << QObject::tr("No data was currently available for reading from port %1").arg(serialPortName) << endl;
        return 0;
    }

    standardOutput << QObject::tr("Data successfully received from port %1").arg(serialPortName) << endl;
    standardOutput << readData << endl;

    return 0;
}