AshtechEPB.cpp

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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
//  by the Free Software Foundation; either version 3.0 of the License, or
//  any later version.
//
//  The GNSSTk 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 Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with GNSSTk; if not, write to the Free Software Foundation,
//  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
//
//  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
//
//==============================================================================
 
//==============================================================================
//
//  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.
//
//  Pursuant to DoD Directive 523024
//
//  DISTRIBUTION STATEMENT A: This software has been approved for public
//                            release, distribution is unlimited.
//
//==============================================================================
 
#include "StringUtils.hpp"
#include "BinUtils.hpp"
 
#include "AshtechEPB.hpp"
#include "AshtechStream.hpp"
 
using namespace std;
 
namespace gnsstk
{
   const char* AshtechEPB::myId = "EPB";
 
   //---------------------------------------------------------------------------
   void AshtechEPB::reallyGetRecord(FFStream& ffs)
   {
      AshtechStream& stream=dynamic_cast<AshtechStream&>(ffs);
 
      // make sure the object is reset before starting the search
      clear(fmtbit | lenbit | crcbit);
      string& rawData = stream.rawData;
 
      // If this object doesn't have an id set yet, assume that the streams
      // most recent read id is what we need to be
      if (id == "" && rawData.size()>=10 &&
          rawData.substr(0,7) == preamble)
         id = rawData.substr(7,3);
 
      // If that didn't work, or this is object is not of the right type,
      // then give up.
      if (id == "" || !checkId(id))
         return;
 
      readBody(stream);
   }
 
   //---------------------------------------------------------------------------
   void AshtechEPB::decode(const std::string& data)
   {
      using BinUtils::decodeVar;
      using gnsstk::StringUtils::asInt;
 
      string str(data);
 
      if (str.length() == 138)
      {
         ascii = false;
         header      = str.substr(0,11); str.erase(0,11);
         prn         = asInt(str.substr(0,2));
         str.erase(0,3);
 
         for (int s=1; s<=3; s++)
            for (int w=1; w<=10; w++)
               word[s][w] = decodeVar<uint32_t>(str);
 
          (void)decodeVar<uint16_t>(str);   // ignore checksum
          clear(ios_base::goodbit);
      }
   }
 
   //---------------------------------------------------------------------------
   void AshtechEPB::dump(ostream& out) const noexcept
   {
      ostringstream oss;
      using gnsstk::StringUtils::asString;
      using gnsstk::StringUtils::leftJustify;
 
      AshtechData::dump(out);
      oss << getName() << "0:" << " prn:" << prn << endl;
 
      oss << setfill('0') << hex;
      for (int s=1; s<=3; s++)
      {
         for (int w=1; w<=10; w++)
         {
            if ((w % 5) == 1)
               oss << getName() << s*2+w/5-1 << ": ";
            oss << setw(8) << uppercase << word[s][w] << "  ";
            if ((w % 5) == 0)
               oss << endl;
         }
      }
 
      out << oss.str() << flush;
   }
} // namespace gnsstk