1 files changed, 167 insertions, 0 deletions
diff --git a/examples/serialport/slave/slavethread.cpp b/examples/serialport/slave/slavethread.cpp
new file mode 100644
index 00000000..a0177ffa
--- /dev/null
+++ b/examples/serialport/slave/slavethread.cpp
@@ -0,0 +1,167 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Denis Shienkov <denis.shienkov@gmail.com>
+** 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 "slavethread.h"
+
+#include <QtSerialPort/QSerialPort>
+
+#include <QTime>
+
+QT_USE_NAMESPACE
+
+SlaveThread::SlaveThread(QObject *parent)
+    : QThread(parent), waitTimeout(0), quit(false)
+{
+}
+
+SlaveThread::~SlaveThread()
+{
+    mutex.lock();
+    quit = true;
+    mutex.unlock();
+    wait();
+}
+
+void SlaveThread::startSlave(const QString &portName, int waitTimeout, const QString &response)
+{
+    QMutexLocker locker(&mutex);
+    this->portName = portName;
+    this->waitTimeout = waitTimeout;
+    this->response = response;
+
+    if (!isRunning())
+        start();
+}
+
+void SlaveThread::run()
+{
+    bool currentPortNameChanged = false;
+
+    mutex.lock();
+    QString currentPortName;
+    if (currentPortName != portName) {
+        currentPortName = portName;
+        currentPortNameChanged = true;
+    }
+
+    int currentWaitTimeout = waitTimeout;
+    QString currentRespone = response;
+    mutex.unlock();
+
+    QSerialPort serial;
+
+    while (!quit) {
+
+        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;
+            }
+
+            if (!serial.setBaudRate(QSerialPort::Baud9600)) {
+                emit error(tr("Can't set baud rate 9600 baud to port %1, error code %2")
+                           .arg(portName).arg(serial.error()));
+                return;
+            }
+
+            if (!serial.setDataBits(QSerialPort::Data8)) {
+                emit error(tr("Can't set 8 data bits to port %1, error code %2")
+                           .arg(portName).arg(serial.error()));
+                return;
+            }
+
+            if (!serial.setParity(QSerialPort::NoParity)) {
+                emit error(tr("Can't set no patity to port %1, error code %2")
+                           .arg(portName).arg(serial.error()));
+                return;
+            }
+
+            if (!serial.setStopBits(QSerialPort::OneStop)) {
+                emit error(tr("Can't set 1 stop bit to port %1, error code %2")
+                           .arg(portName).arg(serial.error()));
+                return;
+            }
+
+            if (!serial.setFlowControl(QSerialPort::NoFlowControl)) {
+                emit error(tr("Can't set no flow control to port %1, error code %2")
+                           .arg(portName).arg(serial.error()));
+                return;
+            }
+        }
+
+        if (serial.waitForReadyRead(currentWaitTimeout)) {
+
+            // read all request
+            QByteArray requestData = serial.readAll();
+            while (serial.waitForReadyRead(10))
+                requestData += serial.readAll();
+
+            // write all response
+            QByteArray responseData = currentRespone.toLocal8Bit();
+            serial.write(responseData);
+            if (serial.waitForBytesWritten(waitTimeout)) {
+                QString request(requestData);
+                emit this->request(request);
+            } else {
+                emit timeout(tr("Wait write response timeout %1")
+                             .arg(QTime::currentTime().toString()));
+            }
+        } else {
+            emit timeout(tr("Wait read request timeout %1")
+                         .arg(QTime::currentTime().toString()));
+        }
+
+        mutex.lock();
+        if (currentPortName != portName) {
+            currentPortName = portName;
+            currentPortNameChanged = true;
+        } else {
+            currentPortNameChanged = false;
+        }
+        currentWaitTimeout = waitTimeout;
+        currentRespone = response;
+        mutex.unlock();
+    }
+}