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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt multiscreen demo application.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "gpssender.h"
#include "nmea.h"
#include <QFile>
#include <QDebug>
GpsSender::GpsSender(QString routeFileName, QObject* parent) :
QObject(parent),
m_dataPosition(0),
m_nmea(Q_NULLPTR),
m_latitude(0.0),
m_longitude(0.0),
m_direction(0.0),
m_vehicleSpeed(0.0)
{
parseRouteFile(routeFileName);
m_timer.setSingleShot(true);
connect(&m_timer, SIGNAL(timeout()), this, SLOT(nextData()), Qt::QueuedConnection);
m_nmea = NMEA::parse(m_data.at(m_dataPosition));
QMetaObject::invokeMethod(this, "nextData", Qt::QueuedConnection);
}
GpsSender::~GpsSender()
{
delete m_nmea;
}
void GpsSender::parseRouteFile(QString routeFileName)
{
QFile routeFile(routeFileName);
if (!routeFile.open(QIODevice::ReadOnly | QIODevice::Text)) {
qWarning("GpsSender::parseRouteFile - Error opening route file: %s", qPrintable(routeFileName));
return;
}
while (!routeFile.atEnd()) {
m_data.append(routeFile.readLine().simplified());
}
routeFile.close();
}
void GpsSender::nextData()
{
if (m_nmea) {
NMEAType::Type type(m_nmea->type());
bool convertOk(false);
if (type != NMEAType::UndefinedType) {
qreal position(m_nmea->value(NMEAType::Latitude).toDouble(&convertOk));
#ifndef TCPCLUSTERDATACONNECTION
bool posChanged(false);
#endif
if (convertOk && m_latitude != position) {
m_latitude = position;
emit latitudeChanged(m_latitude);
#ifndef TCPCLUSTERDATACONNECTION
posChanged = true;
#endif
}
position = m_nmea->value(NMEAType::Longitude).toDouble(&convertOk);
if (convertOk && m_longitude != position) {
m_longitude = position;
emit longitudeChanged(m_longitude);
#ifndef TCPCLUSTERDATACONNECTION
posChanged = true;
#endif
}
#ifndef TCPCLUSTERDATACONNECTION
// qDebug("GpsSender::nextData - posChanged: %s, m_timeStamp is valid: %s", (posChanged ? "true" : "false"), (m_timeStamp.isValid() ? "true" : "false"));
if (posChanged && m_timeStamp.isValid()) {
emit positionChanged(m_timeStamp);
}
#endif
}
if (type == NMEAType::RMCType) {
qreal convertedValue(m_nmea->value(NMEAType::RMCAngle).toDouble(&convertOk));
if (convertOk && m_direction != convertedValue) {
m_direction = convertedValue;
emit directionChanged(m_direction);
}
convertedValue = m_nmea->value(NMEAType::RMCSpeed).toDouble(&convertOk);
if (convertOk && m_vehicleSpeed != convertedValue) {
m_vehicleSpeed = convertedValue;
emit vehicleSpeedChanged(m_vehicleSpeed);
}
}
}
delete m_nmea;
if (++m_dataPosition >= m_data.count()) {
m_dataPosition = 0;
}
m_nmea = NMEA::parse(m_data.at(m_dataPosition));
if (m_nmea) {
QTime timeStamp(m_nmea->value(NMEAType::UTCTime).toTime());
int mseconds(m_timeStamp.msecsTo(timeStamp));
m_timeStamp = timeStamp;
if (mseconds > 0) {
m_timer.start(mseconds);
}
else {
QMetaObject::invokeMethod(this, "nextData", Qt::QueuedConnection);
}
}
else {
m_timeStamp = QTime();
qWarning("GpsSender::nextData - Error in NMEA parsing");
}
}
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