#include "CANSignal.h"
#include "defines.h"


CCANSignal::CCANSignal():
    mRawValue(0),
    mPhysicalValue(0.0)
{
    mEncoding = CAN_SIGNAL_ENCODING_INVALID;

}

int CCANSignal::ComputeNewSignalValue(quint64 NewValue, quint16 MessageSize)
{
    if(mEncoding == CAN_SIGNAL_ENCODING_INTEL)
    {
        //TODO: trouver un device qui crache du intel??
        mRawValue = NewValue;
    }
    else if(mEncoding == CAN_SIGNAL_ENCODING_MOTOROLA)
    {
        //mRawValue = MotorolaValue;
        mRawValue = NewValue;
        int StartIndex = mStartBit - (mStartBit % 8) + 7 - (mStartBit % 8);
        int shift = ((MessageSize * 8) - StartIndex -1);
        mRawValue >>= shift;
        quint64 mask = 1;
        mask <<= mSignalSize;
        mask -= 1;
        mRawValue &= mask;
    }
    else
    {
        //TODO: À faire!!!
        return RET_GENERAL_ERROR;
    }


    mPhysicalValue = ((signed) mRawValue * mValueFactor) + mValueOffset;
//    mPhysicalValueUINT = ((quint64)((quint64) mRawValue * mValueFactor)) + (quint64)mValueOffset;
//    mPhysicalValue = (qint64)((qint64) mRawValue * mValueFactor) + (qint64)mValueOffset;

    return RET_OK;

}