WatlowCLS208.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
 **
 ** 2011, 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_WATLOW_H
#define NIDAS_DYNLD_RAF_WATLOW_H


#include <nidas/core/SerialSensor.h>
#include <nidas/util/EndianConverter.h>

#include <nidas/util/InvalidParameterException.h>

namespace nidas { namespace dynld { namespace raf {

using namespace nidas::core;

class Watlow : public SerialSensor
{
public:

    Watlow();

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

protected:

    uint16_t CRC16(const unsigned char * input, int nbytes) throw();

    uint16_t CRC16_faster(const unsigned char * input, int nbytes) throw();

    bool checkCRC(const unsigned char * input, int nbytes, int msgnum) throw();

private:

    static const nidas::util::EndianConverter * _fromBig;

    static const nidas::util::EndianConverter * _fromLittle;

    unsigned int _numWarnings;

};

}}}

#endif