| 1 | // Part of BNC, a utility for retrieving decoding and
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| 2 | // converting GNSS data streams from NTRIP broadcasters.
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| 3 | //
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| 4 | // Copyright (C) 2007
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| 5 | // German Federal Agency for Cartography and Geodesy (BKG)
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| 6 | // http://www.bkg.bund.de
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| 7 | // Czech Technical University Prague, Department of Geodesy
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| 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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| 24 |
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| 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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| 41 | #include "../bncutils.h"
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| 42 | #include "GPSDecoder.h"
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| 43 | #include "RTCM2Decoder.h"
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| 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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| 64 |
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| 65 | void RTCM2Decoder::Decode(char* buffer, int bufLen) {
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| 66 |
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| 67 | _buffer.append(buffer, bufLen);
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| 68 | int refWeek;
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| 69 | double refSecs;
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| 70 | currentGPSWeeks(refWeek, refSecs);
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| 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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| 75 | return;
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| 76 | }
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| 77 |
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| 78 | if ( _PP.ID()==18 || _PP.ID()==19 ) {
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| 79 |
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| 80 | _ObsBlock.extract(_PP);
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| 81 |
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| 82 | if (_ObsBlock.valid()) {
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| 83 |
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| 84 | int epochWeek;
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| 85 | double epochSecs;
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| 86 | _ObsBlock.resolveEpoch(refWeek, refSecs, epochWeek, epochSecs);
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| 87 |
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| 88 | for (int iSat=0; iSat < _ObsBlock.nSat; iSat++) {
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| 89 | Observation* obs = new Observation();
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| 90 | if (_ObsBlock.PRN[iSat] > 100) {
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| 91 | obs->satNum = _ObsBlock.PRN[iSat] % 100;
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| 92 | obs->satSys = 'R';
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| 93 | }
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| 94 | else {
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| 95 | obs->satNum = _ObsBlock.PRN[iSat];
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| 96 | obs->satSys = 'G';
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| 97 | }
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| 98 | obs->GPSWeek = epochWeek;
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| 99 | obs->GPSWeeks = epochSecs;
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| 100 | obs->C1 = _ObsBlock.rng_C1[iSat];
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| 101 | obs->P1 = _ObsBlock.rng_P1[iSat];
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| 102 | obs->P2 = _ObsBlock.rng_P2[iSat];
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| 103 | obs->L1 = _ObsBlock.resolvedPhase_L1(iSat);
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| 104 | obs->L2 = _ObsBlock.resolvedPhase_L2(iSat);
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| 105 |
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| 106 | _obsList.push_back(obs);
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| 107 | }
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| 108 | _ObsBlock.clear();
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| 109 | }
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| 110 | }
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| 111 | }
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| 112 | }
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| 113 |
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