From ccdf42d9d10a32ccdd4a12c643130ffdea498552 Mon Sep 17 00:00:00 2001 From: Laszlo Papp Date: Thu, 24 Oct 2013 19:21:22 +0100 Subject: Add a new simple and command line reader example Change-Id: I69c05be5db564888986925d943aff32221f5b310 Reviewed-by: Sergey Belyashov Reviewed-by: Denis Shienkov --- examples/serialport/creadersync/creadersync.pro | 16 ++++ examples/serialport/creadersync/main.cpp | 111 ++++++++++++++++++++++++ examples/serialport/doc/creadersync.qdoc | 45 ++++++++++ examples/serialport/examples.qdoc | 1 + examples/serialport/serialport.pro | 2 +- 5 files changed, 174 insertions(+), 1 deletion(-) create mode 100644 examples/serialport/creadersync/creadersync.pro create mode 100644 examples/serialport/creadersync/main.cpp create mode 100644 examples/serialport/doc/creadersync.qdoc (limited to 'examples/serialport') diff --git a/examples/serialport/creadersync/creadersync.pro b/examples/serialport/creadersync/creadersync.pro new file mode 100644 index 00000000..3e9a1991 --- /dev/null +++ b/examples/serialport/creadersync/creadersync.pro @@ -0,0 +1,16 @@ +QT = core + +greaterThan(QT_MAJOR_VERSION, 4) { + QT += serialport +} else { + include($$QTSERIALPORT_PROJECT_ROOT/src/serialport/qt4support/serialport.prf) +} + +CONFIG += console +CONFIG -= app_bundle + +TARGET = creadersync +TEMPLATE = app + +SOURCES += \ + main.cpp diff --git a/examples/serialport/creadersync/main.cpp b/examples/serialport/creadersync/main.cpp new file mode 100644 index 00000000..af28519e --- /dev/null +++ b/examples/serialport/creadersync/main.cpp @@ -0,0 +1,111 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Laszlo Papp +** 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 + +#include +#include +#include + +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 [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; +} diff --git a/examples/serialport/doc/creadersync.qdoc b/examples/serialport/doc/creadersync.qdoc new file mode 100644 index 00000000..bc790cfc --- /dev/null +++ b/examples/serialport/doc/creadersync.qdoc @@ -0,0 +1,45 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Laszlo Papp +** Contact: http://www.qt-project.org/legal +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:FDL$ +** 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 Free Documentation License Usage +** Alternatively, this file may be used under the terms of the GNU Free +** Documentation License version 1.3 as published by the Free Software +** Foundation and appearing in the file included in the packaging of +** this file. Please review the following information to ensure +** the GNU Free Documentation License version 1.3 requirements +** will be met: http://www.gnu.org/copyleft/fdl.html. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/*! + \example creader + \title Command Line Reader Sync Example + \ingroup qtserialport-examples + + The Command Line Reader Sync example shows how to use the QSerialPort class for + receiving data synchronously over the selected serial port with the desired + settings. + + \image creadersync-example.png Screenshot of the Command Line Reader Sync example + + This command line reader sync example receives data synchronously over the + selected serial port in a console, provided by the QSerialPort class. + + For receiving data synchronously over the selected serial port, use the + \l{QSerialPort::read()}{read()} or \l{QSerialPort::readAll()}{readAll()}, + and \l{QIODevice::waitForReadyRead()}{waitForReadyRead()} methods. +*/ diff --git a/examples/serialport/examples.qdoc b/examples/serialport/examples.qdoc index fe15a6a3..17523a94 100644 --- a/examples/serialport/examples.qdoc +++ b/examples/serialport/examples.qdoc @@ -39,6 +39,7 @@ \li \l blockingslave \li \l cenumerator \li \l cwritersync + \li \l creadersync \li \l enumerator \li \l terminal \endlist diff --git a/examples/serialport/serialport.pro b/examples/serialport/serialport.pro index 0bc821ff..ada85c84 100644 --- a/examples/serialport/serialport.pro +++ b/examples/serialport/serialport.pro @@ -1,6 +1,6 @@ TEMPLATE = subdirs CONFIG += ordered -SUBDIRS = cenumerator cwritersync +SUBDIRS = cenumerator creadersync cwritersync greaterThan(QT_MAJOR_VERSION, 4) { !isEmpty(QT.widgets.name):SUBDIRS += enumerator terminal blockingmaster blockingslave } else { -- cgit v1.2.3