A2DConverter.h

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// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 4; tab-width: 4; -*-
// vim: set shiftwidth=4 softtabstop=4 expandtab:
/*
 ********************************************************************
 ** NIDAS: NCAR In-situ Data Acquistion Software
 **
 ** 2006, Copyright University Corporation for Atmospheric Research
 **
 ** 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 2 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.
 **
 ** The LICENSE.txt file accompanying this software contains
 ** a copy of the GNU General Public License. If it is not found,
 ** write to the Free Software Foundation, Inc.,
 ** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 **
 ********************************************************************
*/
#ifndef NIDAS_CORE_A2DCONVERTER_H
#define NIDAS_CORE_A2DCONVERTER_H
 
#include "Sample.h"
 
namespace nidas { namespace core {
 
class CalFile;
 
class A2DConverter {
 
public:
 
    A2DConverter(int nchan, int ncoefs);
 
    virtual ~A2DConverter();
 
    int getMaxNumChannels() const { return _maxNumChannels; }
 
    int getNumConfigChannels() const { return _numConfigChannels; }
 
    int getGain(int ichan) const;
 
    void setGain(int ichan, int val);
 
    int getBipolar(int ichan) const;
 
    void setBipolar(int ichan, int val);
 
    virtual float convert(int ichan, float counts) const = 0;
 
    virtual void set(int ichan, const float* d, int nd) = 0;
 
    virtual void get(int ichan, float* d, int nd) const = 0;
 
    virtual void setNAN(int ichan) = 0;
 
    virtual void setNAN() = 0;
 
    void readCalFile(CalFile* cf, dsm_time_t tt);
 
protected:
 
    int _maxNumChannels;
 
    int _numConfigChannels;
 
    int _ncoefs;
 
    int *_gain;
 
    int *_bipolar;
 
private:
    A2DConverter(const A2DConverter& x);
 
    A2DConverter& operator=(const A2DConverter& x);
};
 
class LinearA2DConverter : public A2DConverter {
 
public:
    LinearA2DConverter(int nchan);
 
    ~LinearA2DConverter();
 
    float convert(int ichan, float counts) const;
 
    void set(int ichan, const float* d, int nd);
 
    void get(int ichan, float* d, int nd) const;
 
    void setNAN(int ichan);
 
    void setNAN();
 
private:
 
    float *_b;
 
    float *_mx;
 
    LinearA2DConverter(const LinearA2DConverter& x);
 
    LinearA2DConverter& operator=(const LinearA2DConverter& x);
};
 
class PolyA2DConverter : public A2DConverter {
 
public:
    PolyA2DConverter(int nchan, int ncoefs);
 
    ~PolyA2DConverter();
 
    float convert(int ichan, float counts) const;
 
    void set(int ichan, const float* d, int nd);
 
    void get(int ichan, float* d, int nd) const;
 
    void setNAN(int ichan);
 
    void setNAN();
private:
 
    float** _d;
 
    PolyA2DConverter(const PolyA2DConverter& x);
 
    PolyA2DConverter& operator=(const PolyA2DConverter& x);
};
}}  // namespace nidas namespace core
 
#endif