/**
 ******************************************************************************
 *
 * @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