[297] | 1 | // Part of BNC, a utility for retrieving decoding and
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[464] | 2 | // converting GNSS data streams from NTRIP broadcasters.
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[242] | 3 | //
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[464] | 4 | // Copyright (C) 2007
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[297] | 5 | // German Federal Agency for Cartography and Geodesy (BKG)
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| 6 | // http://www.bkg.bund.de
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[464] | 7 | // Czech Technical University Prague, Department of Geodesy
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[297] | 8 | // http://www.fsv.cvut.cz
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| 9 | //
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| 10 | // Email: euref-ip@bkg.bund.de
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| 11 | //
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| 12 | // This program is free software; you can redistribute it and/or
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| 13 | // modify it under the terms of the GNU General Public License
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| 14 | // as published by the Free Software Foundation, version 2.
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| 15 | //
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| 16 | // This program is distributed in the hope that it will be useful,
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| 17 | // but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 19 | // GNU General Public License for more details.
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| 20 | //
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| 21 | // You should have received a copy of the GNU General Public License
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| 22 | // along with this program; if not, write to the Free Software
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| 23 | // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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[242] | 24 |
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[464] | 25 | /* -------------------------------------------------------------------------
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| 26 | * BKG NTRIP Client
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| 27 | * -------------------------------------------------------------------------
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| 28 | *
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| 29 | * Class: RTCM2Decoder
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| 30 | *
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| 31 | * Purpose: RTCM2 Decoder
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| 32 | *
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| 33 | * Author: L. Mervart
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| 34 | *
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| 35 | * Created: 24-Aug-2006
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| 36 | *
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| 37 | * Changes:
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| 38 | *
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| 39 | * -----------------------------------------------------------------------*/
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| 40 |
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[242] | 41 | #include "../bncutils.h"
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| 42 | #include "GPSDecoder.h"
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[243] | 43 | #include "RTCM2Decoder.h"
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[242] | 44 |
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| 45 | using namespace std;
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| 46 |
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| 47 | //
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| 48 | // Constructor
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| 49 | //
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| 50 |
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| 51 | RTCM2Decoder::RTCM2Decoder() {
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| 52 |
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| 53 | }
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| 54 |
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| 55 | //
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| 56 | // Destructor
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| 57 | //
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| 58 |
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| 59 | RTCM2Decoder::~RTCM2Decoder() {
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| 60 | }
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| 61 |
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| 62 | //
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| 63 |
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[649] | 64 | t_irc RTCM2Decoder::Decode(char* buffer, int bufLen) {
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[242] | 65 |
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| 66 | _buffer.append(buffer, bufLen);
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| 67 | int refWeek;
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| 68 | double refSecs;
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| 69 | currentGPSWeeks(refWeek, refSecs);
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[702] | 70 | bool decoded = false;
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[242] | 71 |
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| 72 | while(true) {
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| 73 | _PP.getPacket(_buffer);
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| 74 | if (!_PP.valid()) {
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[702] | 75 | if (decoded) {
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| 76 | return success;
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| 77 | } else {
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| 78 | return failure;
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| 79 | }
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[242] | 80 | }
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| 81 |
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| 82 | if ( _PP.ID()==18 || _PP.ID()==19 ) {
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| 83 |
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| 84 | _ObsBlock.extract(_PP);
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| 85 |
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| 86 | if (_ObsBlock.valid()) {
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[702] | 87 | decoded = true;
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[242] | 88 |
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| 89 | int epochWeek;
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| 90 | double epochSecs;
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| 91 | _ObsBlock.resolveEpoch(refWeek, refSecs, epochWeek, epochSecs);
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| 92 |
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| 93 | for (int iSat=0; iSat < _ObsBlock.nSat; iSat++) {
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[622] | 94 | p_obs obs = new t_obs();
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[627] | 95 | _obsList.push_back(obs);
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[341] | 96 | if (_ObsBlock.PRN[iSat] > 100) {
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[622] | 97 | obs->_o.satNum = _ObsBlock.PRN[iSat] % 100;
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| 98 | obs->_o.satSys = 'R';
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[341] | 99 | }
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| 100 | else {
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[622] | 101 | obs->_o.satNum = _ObsBlock.PRN[iSat];
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| 102 | obs->_o.satSys = 'G';
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[341] | 103 | }
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[622] | 104 | obs->_o.GPSWeek = epochWeek;
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| 105 | obs->_o.GPSWeeks = epochSecs;
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| 106 | obs->_o.C1 = _ObsBlock.rng_C1[iSat];
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| 107 | obs->_o.P1 = _ObsBlock.rng_P1[iSat];
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| 108 | obs->_o.P2 = _ObsBlock.rng_P2[iSat];
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| 109 | obs->_o.L1 = _ObsBlock.resolvedPhase_L1(iSat);
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| 110 | obs->_o.L2 = _ObsBlock.resolvedPhase_L2(iSat);
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[242] | 111 | }
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| 112 | _ObsBlock.clear();
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| 113 | }
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| 114 | }
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| 115 | }
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[649] | 116 | return success;
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[242] | 117 | }
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| 118 |
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