DSMAnalogSensor.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
 **
 ** 2004, 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_DYNLD_RAF_DSMANALOGSENSOR_H
#define NIDAS_DYNLD_RAF_DSMANALOGSENSOR_H
 
#include <nidas/dynld/A2DSensor.h>
#include <nidas/core/A2DConverter.h>
#include <nidas/linux/ncar_a2d.h>
#include <nidas/linux/irigclock.h>
 
namespace nidas { namespace dynld { namespace raf {
 
using namespace nidas::core;
 
class DSMAnalogSensor : public A2DSensor {
 
public:
 
    DSMAnalogSensor();
    ~DSMAnalogSensor();
 
    IODevice* buildIODevice();
 
    SampleScanner* buildSampleScanner();
 
    void open(int flags);
 
    void close();
 
    void init();
 
    void printStatus(std::ostream& ostr) throw();
 
    int getMaxNumChannels() const { return NUM_NCAR_A2D_CHANNELS; }
 
    void setGainBipolar(int ichan, int gain, int bipolar);
 
    void getDefaultConversion(int ichan, float& intercept, float& slope) const;
 
    void setConversionCorrection(int ichan, float corIntercept, float corSlope);
 
    bool process(const Sample*,std::list<const Sample*>& result)
        throw();
 
    void validate();
 
    float getTemp();
 
    int getInt32TimeTagUsecs() const
    {
        return USECS_PER_MSEC;
    }
 
    void executeXmlRpc(XmlRpc::XmlRpcValue& params, XmlRpc::XmlRpcValue& result)
        throw();
 
    void getA2DSetup(XmlRpc::XmlRpcValue& params, XmlRpc::XmlRpcValue& result)
        throw();
 
    void testVoltage(XmlRpc::XmlRpcValue& params, XmlRpc::XmlRpcValue& result)
        throw();
 
    A2DConverter* getInitialConverter() const
    {
        return _initialConverter;
    }
 
    A2DConverter* getFinalConverter() const
    {
        return _finalConverter;
    }
 
protected:
 
    A2DConverter* _initialConverter;
 
    A2DConverter* _finalConverter;
 
    bool processTemperature(const Sample*, std::list<const Sample*>& result) throw();
 
    int readFilterFile(const std::string& name,unsigned short* coefs,
    int nexpect);
 
    int _deltatUsec;
 
    const SampleTag* _temperatureTag;
 
    enum irigClockRates _temperatureRate;
 
    static const float DEGC_PER_CNT;
 
    float voltageActual(float voltageMeasured);
 
    inline float SecondPoly(float x, const float c[]) const
    { return(c[0] + x * (c[1] + x * c[2])); }
 
    float _currentTemperature;
 
    static const int N_COEFF = 3;
 
    static const int N_G4_VDC = 9;
 
    static const float TemperatureChamberVoltagesGain4[N_G4_VDC];
 
    static const float TemperatureTableGain4[N_G4_VDC][N_COEFF];
 
private:
 
    DSMAnalogSensor(const DSMAnalogSensor&);
 
    DSMAnalogSensor& operator=(const DSMAnalogSensor&);
 
};
 
}}} // namespace nidas namespace dynld namespace raf
 
#endif