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Jani Heikkinen authored
Qt copyrights are now in The Qt Company, so we could update the source code headers accordingly. In the same go we should also fix the links to point to qt.io. Change-Id: I35f551de8408a2eb6a0f39df1f09d90c8084a7c0 Reviewed-by:
Sergey Belyashov <Sergey.Belyashov@gmail.com> Reviewed-by:
Denis Shienkov <denis.shienkov@gmail.com>
d42d5838
/******************************************************************************** Copyright (C) 2012 Denis Shienkov <denis.shienkov@gmail.com>** Contact: http://www.qt.io/licensing/**** This file is part of the QtSerialPort module of the Qt Toolkit.**** $QT_BEGIN_LICENSE:LGPL21$** 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 The Qt Company. For licensing terms** and conditions see http://www.qt.io/terms-conditions. For further** information use the contact form at http://www.qt.io/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 or version 3 as published by the Free** Software Foundation and appearing in the file LICENSE.LGPLv21 and** LICENSE.LGPLv3 included in the packaging of this file. Please review the** following information to ensure the GNU Lesser General Public License** requirements will be met: https://www.gnu.org/licenses/lgpl.html and** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.**** As a special exception, The Qt Company gives you certain additional** rights. These rights are described in The Qt Company LGPL Exception** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.**** $QT_END_LICENSE$******************************************************************************/#include "masterthread.h"#include <QtSerialPort/QSerialPort>#include <QTime>QT_USE_NAMESPACEMasterThread::MasterThread(QObject *parent) : QThread(parent), waitTimeout(0), quit(false){}//! [0]MasterThread::~MasterThread(){ mutex.lock(); quit = true; cond.wakeOne(); mutex.unlock(); wait();}//! [0]//! [1] //! [2]void MasterThread::transaction(const QString &portName, int waitTimeout, const QString &request){ //! [1] QMutexLocker locker(&mutex); this->portName = portName; this->waitTimeout = waitTimeout; this->request = request; //! [3] if (!isRunning()) start(); else cond.wakeOne();7172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140
}
//! [2] //! [3]
//! [4]
void MasterThread::run()
{
bool currentPortNameChanged = false;
mutex.lock();
//! [4] //! [5]
QString currentPortName;
if (currentPortName != portName) {
currentPortName = portName;
currentPortNameChanged = true;
}
int currentWaitTimeout = waitTimeout;
QString currentRequest = request;
mutex.unlock();
//! [5] //! [6]
QSerialPort serial;
while (!quit) {
//![6] //! [7]
if (currentPortNameChanged) {
serial.close();
serial.setPortName(currentPortName);
if (!serial.open(QIODevice::ReadWrite)) {
emit error(tr("Can't open %1, error code %2")
.arg(portName).arg(serial.error()));
return;
}
}
//! [7] //! [8]
// write request
QByteArray requestData = currentRequest.toLocal8Bit();
serial.write(requestData);
if (serial.waitForBytesWritten(waitTimeout)) {
//! [8] //! [10]
// read response
if (serial.waitForReadyRead(currentWaitTimeout)) {
QByteArray responseData = serial.readAll();
while (serial.waitForReadyRead(10))
responseData += serial.readAll();
QString response(responseData);
//! [12]
emit this->response(response);
//! [10] //! [11] //! [12]
} else {
emit timeout(tr("Wait read response timeout %1")
.arg(QTime::currentTime().toString()));
}
//! [9] //! [11]
} else {
emit timeout(tr("Wait write request timeout %1")
.arg(QTime::currentTime().toString()));
}
//! [9] //! [13]
mutex.lock();
cond.wait(&mutex);
if (currentPortName != portName) {
currentPortName = portName;
currentPortNameChanged = true;
} else {
currentPortNameChanged = false;
}
currentWaitTimeout = waitTimeout;
currentRequest = request;
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mutex.unlock();
}
//! [13]
}