GenXSequence.hpp

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//==============================================================================
//
//  This file is part of GNSSTk, the ARL:UT GNSS Toolkit.
//
//  The GNSSTk is free software; you can redistribute it and/or modify
//  it under the terms of the GNU Lesser General Public License as published
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//  You should have received a copy of the GNU Lesser General Public
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//  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
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//  This software was developed by Applied Research Laboratories at the
//  University of Texas at Austin.
//  Copyright 2004-2022, The Board of Regents of The University of Texas System
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//==============================================================================
 
//==============================================================================
//
//  This software was developed by Applied Research Laboratories at the
//  University of Texas at Austin, under contract to an agency or agencies
//  within the U.S. Department of Defense. The U.S. Government retains all
//  rights to use, duplicate, distribute, disclose, or release this software.
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//  Pursuant to DoD Directive 523024
//
//  DISTRIBUTION STATEMENT A: This software has been approved for public
//                            release, distribution is unlimited.
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//==============================================================================
 
//  GenXSequence.hpp -  Generate X Sequence class.
 
#ifndef GENXSEQUENCE_HPP
#define GENXSEQUENCE_HPP
 
#include "gnsstkplatform.h"
#include "PCodeConst.hpp"
#include "mergePCodeWords.h"
 
namespace gnsstk
{
 
 
      // Derived from X2A maximum length (see xconst.hpp)
   const int MAX_WORD = 140;
 
   class GenXSequence
   {
      public:
         GenXSequence( const unsigned int initialState,
                       const unsigned int taps,
                       const          int initialEndOfSequence,
                       const          int max_delay );
         ~GenXSequence( ) {};
 
         uint32_t operator[] ( int i );
 
         void setLengthOfSequence( int i );
 
      private:
         void addBitToSequence( uint32_t newBit );
         uint32_t bits[MAX_WORD];
         int lengthOfSequence;
         int maxOfSequence;
         bool debugPrint;
         int word_num;
         int bit_num;
   };
}     // end of namespace
#endif // GENXSEQUENCE_HPP