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LibrePilot/ground/src/plugins/uavobjects/uavobjectfieldprimitives.h

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/**
******************************************************************************
*
* @file uavobjectfieldprimitives.h
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
* Parts by Nokia Corporation (qt-info@nokia.com) Copyright (C) 2009.
* @brief
* @see The GNU Public License (GPL) Version 3
* @defgroup uavobjects_plugin
* @{
*
*****************************************************************************/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef UAVOBJECTFIELDPRIMITIVES_H
#define UAVOBJECTFIELDPRIMITIVES_H
#include "uavobjects_global.h"
#include "uavobjectfield.h"
#include <QtEndian>
template <typename FType>
class UAVOBJECTS_EXPORT UAVObjectFieldPrimitives: public UAVObjectField
{
public:
UAVObjectFieldPrimitives(const QString& name, const QString& units, quint32 numElements);
void initializeValues();
qint32 pack(quint8* dataOut);
qint32 unpack(const quint8* dataIn);
double getDouble(quint32 index = 0);
void setDouble(double value, quint32 index = 0);
quint32 getNumBytesElement();
FType getValue(quint32 index = 0);
void setValue(FType value, quint32 index = 0);
private:
quint32 numBytesPerElement;
};
/**
* Implementation of missing QtEndian templates
*/
template<> inline qint8 qFromBigEndian<qint8>(const uchar *src)
{
return *src;
}
template <> inline void qToBigEndian<qint8>(qint8 src, uchar *dest)
{
*dest = src;
}
template<> inline quint8 qFromBigEndian<quint8>(const uchar *src)
{
return *src;
}
template <> inline void qToBigEndian<quint8>(quint8 src, uchar *dest)
{
*dest = src;
}
template<> inline float qFromBigEndian<float>(const uchar *src)
{
quint32 tmpint;
float tmpfloat;
tmpint = qFromBigEndian<quint32>(src);
memcpy(&tmpfloat, &tmpint, sizeof(quint32));
return tmpfloat;
}
template <> inline void qToBigEndian<float>(float src, uchar *dest)
{
quint32 tmpint;
memcpy(&tmpint, &src, sizeof(quint32));
qToBigEndian<quint32>(tmpint, dest);
}
#endif // UAVOBJECTFIELDPRIMITIVES_H