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/linux/ncar_a2d.h>
#include <nidas/linux/irigclock.h>

namespace nidas { namespace dynld { namespace raf {

using namespace nidas::core;

class DSMAnalogSensor : public A2DSensor {

public:
    enum OutputMode { Counts, Volts, Engineering };

    DSMAnalogSensor();
    ~DSMAnalogSensor();

    IODevice* buildIODevice() throw(nidas::util::IOException);

    SampleScanner* buildSampleScanner()
        throw(nidas::util::InvalidParameterException);

    void open(int flags) throw(nidas::util::IOException,
        nidas::util::InvalidParameterException);

    void close() throw(nidas::util::IOException);

    void init() throw(nidas::util::InvalidParameterException);

    void printStatus(std::ostream& ostr) throw();

    int getMaxNumChannels() const { return NUM_NCAR_A2D_CHANNELS; }

    void setA2DParameters(int ichan,int gain,int bipolar)
               throw(nidas::util::InvalidParameterException);

    void getBasicConversion(int ichan,float& intercept, float& slope) const;

    void setConversionCorrection(int ichan, float corIntercept, float corSlope)
    throw(nidas::util::InvalidParameterException);


    void setOutputMode(OutputMode mode) { _outputMode = mode; }

    OutputMode getOutputMode() const { return _outputMode; }

    bool process(const Sample*,std::list<const Sample*>& result)
        throw();

    void validate() throw(nidas::util::InvalidParameterException);

    float getTemp() throw(nidas::util::IOException);

    void readCalFile(dsm_time_t tt) throw();

    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();

protected:

    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;

    CalFile* _calFile;

    OutputMode _outputMode;

    static const float DEGC_PER_CNT;
    float _basIntercept[NUM_NCAR_A2D_CHANNELS], _basSlope[NUM_NCAR_A2D_CHANNELS];


    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