Qt SerialPort: dump 'master' and 'slave' terminology

Task-number: QTBUG-89882
Change-Id: I9fe2048e3aa6572af8556d58afc11ff4c4929f28
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>

1 files changed, 154 insertions, 0 deletions

diff --git a/examples/serialport/blockingreceiver/receiverthread.cpp b/examples/serialport/blockingreceiver/receiverthread.cpp
new file mode 100644
index 00000000..336ed2ef
--- /dev/null
+++ b/examples/serialport/blockingreceiver/receiverthread.cpp
@@ -0,0 +1,154 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Denis Shienkov <denis.shienkov@gmail.com>
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtSerialPort module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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 https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "receiverthread.h"
+
+#include <QSerialPort>
+#include <QTime>
+
+ReceiverThread::ReceiverThread(QObject *parent) :
+    QThread(parent)
+{
+}
+
+//! [0]
+ReceiverThread::~ReceiverThread()
+{
+    m_mutex.lock();
+    m_quit = true;
+    m_mutex.unlock();
+    wait();
+}
+//! [0]
+
+//! [1] //! [2]
+void ReceiverThread::startReceiver(const QString &portName, int waitTimeout, const QString &response)
+{
+    //! [1]
+    const QMutexLocker locker(&m_mutex);
+    m_portName = portName;
+    m_waitTimeout = waitTimeout;
+    m_response = response;
+    //! [3]
+    if (!isRunning())
+        start();
+}
+//! [2] //! [3]
+
+//! [4]
+void ReceiverThread::run()
+{
+    bool currentPortNameChanged = false;
+
+    m_mutex.lock();
+//! [4] //! [5]
+    QString currentPortName;
+    if (currentPortName != m_portName) {
+        currentPortName = m_portName;
+        currentPortNameChanged = true;
+    }
+
+    int currentWaitTimeout = m_waitTimeout;
+    QString currentRespone = m_response;
+    m_mutex.unlock();
+//! [5] //! [6]
+    QSerialPort serial;
+
+    while (!m_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(m_portName).arg(serial.error()));
+                return;
+            }
+        }
+
+        if (serial.waitForReadyRead(currentWaitTimeout)) {
+//! [7] //! [8]
+            // read request
+            QByteArray requestData = serial.readAll();
+            while (serial.waitForReadyRead(10))
+                requestData += serial.readAll();
+//! [8] //! [10]
+            // write response
+            const QByteArray responseData = currentRespone.toUtf8();
+            serial.write(responseData);
+            if (serial.waitForBytesWritten(m_waitTimeout)) {
+                const QString request = QString::fromUtf8(requestData);
+//! [12]
+                emit this->request(request);
+//! [10] //! [11] //! [12]
+            } else {
+                emit timeout(tr("Wait write response timeout %1")
+                             .arg(QTime::currentTime().toString()));
+            }
+//! [9] //! [11]
+        } else {
+            emit timeout(tr("Wait read request timeout %1")
+                         .arg(QTime::currentTime().toString()));
+        }
+//! [9]  //! [13]
+        m_mutex.lock();
+        if (currentPortName != m_portName) {
+            currentPortName = m_portName;
+            currentPortNameChanged = true;
+        } else {
+            currentPortNameChanged = false;
+        }
+        currentWaitTimeout = m_waitTimeout;
+        currentRespone = m_response;
+        m_mutex.unlock();
+    }
+//! [13]
+}