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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtSerialBus module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later 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 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "dummybackend.h"
#include <QtCore/qdebug.h>
#include <QtCore/qtimer.h>
#include <QtSerialBus/qcanbusdevice.h>
QT_BEGIN_NAMESPACE
DummyBackend::DummyBackend() :
sendTimer(new QTimer(this)),
byteArray("abc")
{
sendTimer->setInterval(1000);
sendTimer->setSingleShot(false);
connect(sendTimer, SIGNAL(timeout()), this, SLOT(sendMessage()));
sendTimer->start();
}
bool DummyBackend::open()
{
setState(QCanBusDevice::ConnectedState);
return true;
}
void DummyBackend::close()
{
setState(QCanBusDevice::UnconnectedState);
}
void DummyBackend::sendMessage()
{
byteArray.append("def");
emit frameReceived();
}
#define MAX_PACKAGE_SIZE 16
qint64 DummyBackend::availableFrames() const
{
// assume every frame can take max payload of 16 byte
uint frameCount = byteArray.size() / MAX_PACKAGE_SIZE;
if ((byteArray.size() % MAX_PACKAGE_SIZE) > 0)
frameCount++;
return frameCount;
}
QCanBusFrame DummyBackend::readFrame()
{
if (byteArray.isEmpty())
return QCanBusFrame(QCanBusFrame::InvalidFrame);
QCanBusFrame dummyFrame;
dummyFrame.setFrameId(12);
const qint64 len = byteArray.size();
if (len > MAX_PACKAGE_SIZE) {
const QByteArray data = byteArray.left(MAX_PACKAGE_SIZE);
byteArray = byteArray.mid(MAX_PACKAGE_SIZE);
dummyFrame.setPayload(data);
} else {
dummyFrame.setPayload(byteArray);
byteArray.clear();
}
return dummyFrame;
}
bool DummyBackend::writeFrame(const QCanBusFrame &data)
{
qDebug() << "DummyBackend::writeFrame: " << data.payload();
return true;
}
QString DummyBackend::interpretErrorFrame(const QCanBusFrame &/*errorFrame*/)
{
return QString();
}
void DummyBackend::setConfigurationParameter(const QString &key, const QVariant &value)
{
Q_UNUSED(key);
Q_UNUSED(value);
}
QVariant DummyBackend::configurationParameter(const QString&) const
{
return QVariant();
}
QVector<QString> DummyBackend::configurationKeys() const
{
return QVector<QString>();
}
QT_END_NAMESPACE
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