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authorLaszlo Papp <lpapp@kde.org>2013-10-24 19:21:22 +0100
committerThe Qt Project <gerrit-noreply@qt-project.org>2013-10-25 17:46:45 +0200
commitccdf42d9d10a32ccdd4a12c643130ffdea498552 (patch)
tree2ed754fa130b496a577f364aec649c4d8a71dd12 /examples/serialport/creadersync/main.cpp
parent9f8f2d6dc6f38b54a91f4a3d7ebf4285891005d3 (diff)
downloadqtserialport-ccdf42d9d10a32ccdd4a12c643130ffdea498552.tar.gz
Add a new simple and command line reader example
Change-Id: I69c05be5db564888986925d943aff32221f5b310 Reviewed-by: Sergey Belyashov <Sergey.Belyashov@gmail.com> Reviewed-by: Denis Shienkov <denis.shienkov@gmail.com>
Diffstat (limited to 'examples/serialport/creadersync/main.cpp')
-rw-r--r--examples/serialport/creadersync/main.cpp111
1 files changed, 111 insertions, 0 deletions
diff --git a/examples/serialport/creadersync/main.cpp b/examples/serialport/creadersync/main.cpp
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+/****************************************************************************
+**
+** 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);
+
+ if (!serialPort.open(QIODevice::ReadOnly)) {
+ standardOutput << QObject::tr("Failed to open port %1, error: %2").arg(serialPortName).arg(serialPort.error()) << endl;
+ return 1;
+ }
+
+ int serialPortBaudRate = (argumentCount > 2) ? argumentList.at(2).toInt() : QSerialPort::Baud9600;
+ if (!serialPort.setBaudRate(serialPortBaudRate)) {
+ standardOutput << QObject::tr("Failed to set 9600 baud for port %1, error: %2").arg(serialPortName).arg(serialPort.errorString()) << endl;
+ return 1;
+ }
+
+ if (!serialPort.setDataBits(QSerialPort::Data8)) {
+ standardOutput << QObject::tr("Failed set 8 data bits for port %1, error: %2").arg(serialPortName).arg(serialPort.errorString()) << endl;
+ return 1;
+ }
+
+ if (!serialPort.setParity(QSerialPort::NoParity)) {
+ standardOutput << QObject::tr("Failed to set no parity for port %1, error: %2").arg(serialPortName).arg(serialPort.errorString()) << endl;
+ return 1;
+ }
+
+ if (!serialPort.setStopBits(QSerialPort::OneStop)) {
+ standardOutput << QObject::tr("Failed to set 1 stop bit for port %1, error: %2").arg(serialPortName).arg(serialPort.errorString()) << endl;
+ return 1;
+ }
+
+ if (!serialPort.setFlowControl(QSerialPort::NoFlowControl)) {
+ standardOutput << QObject::tr("Failed set no flow control for port %1, error: %2").arg(serialPortName).arg(serialPort.errorString()) << endl;
+ return 1;
+ }
+
+ QByteArray readData = serialPort.readAll();
+ while (serialPort.waitForReadyRead(5000))
+ readData.append(serialPort.readAll());
+
+ if (readData.isEmpty()) {
+ standardOutput << QObject::tr("Either no data was currently available on the standard input for reading, or an error occurred for port %1, error: %2").arg(serialPortName).arg(serialPort.errorString()) << endl;
+ return 1;
+ }
+
+ standardOutput << QObject::tr("Data successfully reiceved from port %1").arg(serialPortName) << endl;
+ standardOutput << readData << endl;
+
+ return 0;
+}