| 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 | #ifndef GPSDECODER_H
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| 26 | #define GPSDECODER_H
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| 27 |
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| 28 | #include <iostream>
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| 29 | #include <QPointer>
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| 30 | #include <QList>
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| 31 |
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| 32 | #include "bncconst.h"
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| 33 |
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| 34 | class t_obsInternal {
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| 35 | public:
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| 36 |
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| 37 | t_obsInternal() :
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| 38 | flags(0),
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| 39 | satSys(' '),
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| 40 | satNum(0),
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| 41 | slot(0),
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| 42 | GPSWeek(0),
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| 43 | GPSWeeks(0.0),
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| 44 | C1(0.0),
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| 45 | C2(0.0),
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| 46 | P1(0.0),
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| 47 | P2(0.0),
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| 48 | L1(0.0),
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| 49 | L2(0.0),
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| 50 | slip_cnt_L1(-1),
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| 51 | slip_cnt_L2(-1),
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| 52 | lock_timei_L1(-1),
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| 53 | lock_timei_L2(-1),
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| 54 | S1(0.0),
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| 55 | S2(0.0),
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| 56 | SNR1(0),
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| 57 | SNR2(0) {
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| 58 | StatID[0] = '\x0';
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| 59 | }
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| 60 | int flags;
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| 61 | char StatID[20+1]; // Station ID
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| 62 | char satSys; // Satellite System ('G' or 'R')
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| 63 | int satNum; // Satellite Number (PRN for GPS NAVSTAR)
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| 64 | int slot; // Slot Number (for Glonass)
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| 65 | int GPSWeek; // Week of GPS-Time
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| 66 | double GPSWeeks; // Second of Week (GPS-Time)
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| 67 | double C1; // CA-code pseudorange (meters)
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| 68 | double C2; // CA-code pseudorange (meters)
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| 69 | double P1; // P1-code pseudorange (meters)
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| 70 | double P2; // P2-code pseudorange (meters)
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| 71 | double L1; // L1 carrier phase (cycles)
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| 72 | double L2; // L2 carrier phase (cycles)
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| 73 | int slip_cnt_L1; // L1 cumulative loss of continuity indicator (negative value = undefined)
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| 74 | int slip_cnt_L2; // L2 cumulative loss of continuity indicator (negative value = undefined)
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| 75 | int lock_timei_L1; // L1 last lock time indicator (negative value = undefined)
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| 76 | int lock_timei_L2; // L2 last lock time indicator (negative value = undefined)
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| 77 | double S1; // L1 signal-to noise ratio
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| 78 | double S2; // L2 signal-to noise ratio
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| 79 | int SNR1; // L1 signal-to noise ratio (mapped to integer)
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| 80 | int SNR2; // L2 signal-to noise ratio (mapped to integer)
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| 81 | };
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| 82 |
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| 83 | class t_obs : public QObject{
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| 84 | public:
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| 85 | enum t_obs_status {initial, posted, received};
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| 86 |
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| 87 | t_obs() {
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| 88 | _status = initial;
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| 89 |
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| 90 | _o.flags = 0;
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| 91 | _o.StatID[0] = '\0';
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| 92 | _o.satSys = 'G';
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| 93 | _o.satNum = 0;
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| 94 | _o.slot = 0;
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| 95 | _o.GPSWeek = 0;
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| 96 | _o.GPSWeeks = 0.0;
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| 97 | _o.C1 = 0.0;
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| 98 | _o.C2 = 0.0;
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| 99 | _o.P1 = 0.0;
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| 100 | _o.P2 = 0.0;
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| 101 | _o.L1 = 0.0;
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| 102 | _o.L2 = 0.0;
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| 103 | _o.S1 = 0.0;
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| 104 | _o.S2 = 0.0;
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| 105 | _o.slip_cnt_L1 = -1;
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| 106 | _o.slip_cnt_L2 = -1;
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| 107 | _o.lock_timei_L1 = -1;
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| 108 | _o.lock_timei_L2 = -1;
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| 109 | _o.SNR1 = 0;
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| 110 | _o.SNR2 = 0;
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| 111 | }
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| 112 |
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| 113 | ~t_obs() {}
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| 114 |
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| 115 | t_obsInternal _o;
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| 116 | t_obs_status _status;
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| 117 | };
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| 118 |
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| 119 | typedef QPointer<t_obs> p_obs;
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| 120 |
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| 121 | class GPSDecoder {
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| 122 | public:
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| 123 | virtual t_irc Decode(char* buffer, int bufLen) = 0;
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| 124 |
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| 125 | virtual ~GPSDecoder() {
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| 126 | QListIterator<p_obs> it(_obsList);
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| 127 | while (it.hasNext()) {
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| 128 | p_obs obs = it.next();
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| 129 | if (!obs.isNull() && obs->_status == t_obs::initial) {
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| 130 | delete obs;
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| 131 | }
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| 132 | }
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| 133 | }
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| 134 |
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| 135 | QList<p_obs> _obsList;
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| 136 | QList<int> _typeList; // RTCMv3 message types
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| 137 | QList<int> _epochList; // Broadcast corrections
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| 138 | QList<char*> _antType; // RTCMv3 antenna descriptor
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| 139 | QList<double> _antList5; // RTCMv3 antenna XYZ
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| 140 | QList<double> _antList6; // RTCMv3 antenna XYZ & H
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| 141 | };
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| 142 |
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| 143 | #endif
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