source: ntrip/trunk/BNC/RTCM/GPSDecoder.h@ 2705

Last change on this file since 2705 was 2702, checked in by mervart, 15 years ago
File size: 4.8 KB
Line 
1// Part of BNC, a utility for retrieving decoding and
2// converting GNSS data streams from NTRIP broadcasters.
3//
4// Copyright (C) 2007
5// German Federal Agency for Cartography and Geodesy (BKG)
6// http://www.bkg.bund.de
7// Czech Technical University Prague, Department of Geodesy
8// http://www.fsv.cvut.cz
9//
10// Email: euref-ip@bkg.bund.de
11//
12// This program is free software; you can redistribute it and/or
13// modify it under the terms of the GNU General Public License
14// as published by the Free Software Foundation, version 2.
15//
16// This program is distributed in the hope that it will be useful,
17// but WITHOUT ANY WARRANTY; without even the implied warranty of
18// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19// GNU General Public License for more details.
20//
21// You should have received a copy of the GNU General Public License
22// along with this program; if not, write to the Free Software
23// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24
25#ifndef GPSDECODER_H
26#define GPSDECODER_H
27
28#include <iostream>
29#include <vector>
30#include <string>
31#include <QPointer>
32#include <QList>
33#include <QStringList>
34
35#include "bncconst.h"
36
37struct t_obsInternal {
38 char StatID[20+1]; // Station ID
39 char satSys; // Satellite System ('G' or 'R')
40 int satNum; // Satellite Number (PRN for GPS NAVSTAR)
41 int slotNum; // Slot Number (for Glonass)
42 int GPSWeek; // Week of GPS-Time
43 double GPSWeeks; // Second of Week (GPS-Time)
44
45 double C1; // CA-code pseudorange (meters)
46 double P1; // P1-code pseudorange (meters)
47 double L1C; // L1 carrier phase (cycles)
48 double D1C; // Doppler L1
49 double S1C; // raw L1 signal strength
50 double L1P; // L1 carrier phase (cycles)
51 double D1P; // Doppler L1
52 double S1P; // raw L1 signal strength
53
54 double C2; // CA-code pseudorange (meters)
55 double P2; // P2-code pseudorange (meters)
56 double L2C; // L2 carrier phase (cycles)
57 double D2C; // Doppler L2
58 double S2C; // raw L2 signal strength
59 double L2P; // L2 carrier phase (cycles)
60 double D2P; // Doppler L2
61 double S2P; // raw L2 signal strength
62
63 double C5; // Pseudorange (meters)
64 double L5; // L5 carrier phase (cycles)
65 double D5; // Doppler L5
66 double S5; // raw L5 signal strength
67
68 int slip_cnt_L1; // L1 cumulative loss of continuity indicator (negative value = undefined)
69 int slip_cnt_L2; // L2 cumulative loss of continuity indicator (negative value = undefined)
70 int slip_cnt_L5; // L5 cumulative loss of continuity indicator (negative value = undefined)
71};
72
73class t_obs : public QObject{
74 public:
75 enum t_obs_status {initial, posted, received};
76 t_obs() {
77 _status = initial;
78 _o.satSys = 'G';
79 _o.satNum = 0;
80 _o.slotNum = 0;
81 _o.GPSWeek = 0;
82 _o.GPSWeeks = 0.0;
83 _o.C1 = 0.0;
84 _o.P1 = 0.0;
85 _o.L1C = 0.0;
86 _o.D1C = 0.0;
87 _o.S1C = 0.0;
88 _o.L1P = 0.0;
89 _o.D1P = 0.0;
90 _o.S1P = 0.0;
91 _o.C2 = 0.0;
92 _o.P2 = 0.0;
93 _o.L2C = 0.0;
94 _o.D2C = 0.0;
95 _o.S2C = 0.0;
96 _o.L2P = 0.0;
97 _o.D2P = 0.0;
98 _o.S2P = 0.0;
99 _o.C5 = 0.0;
100 _o.L5 = 0.0;
101 _o.D5 = 0.0;
102 _o.S5 = 0.0;
103 _o.slip_cnt_L1 = -1;
104 _o.slip_cnt_L2 = -1;
105 _o.slip_cnt_L5 = -1;
106 _o.StatID[0] = '\x0';
107 }
108 ~t_obs() {}
109 double L1() const {return (_o.L1P != 0.0 ? _o.L1P : _o.L1C);}
110 double L2() const {return (_o.L2P != 0.0 ? _o.L2P : _o.L2C);}
111 double S1() const {return (_o.L1P != 0.0 ? _o.S1P : _o.S1C);}
112 double S2() const {return (_o.L2P != 0.0 ? _o.S2P : _o.S2C);}
113 t_obsInternal _o;
114 t_obs_status _status;
115};
116
117typedef QPointer<t_obs> p_obs;
118
119class GPSDecoder {
120 public:
121 virtual t_irc Decode(char* buffer, int bufLen, std::vector<std::string>& errmsg) = 0;
122
123 virtual ~GPSDecoder() {
124 QListIterator<p_obs> it(_obsList);
125 while (it.hasNext()) {
126 p_obs obs = it.next();
127 if (!obs.isNull() && obs->_status == t_obs::initial) {
128 delete obs;
129 }
130 }
131 }
132
133 virtual int corrGPSEpochTime() const {return -1;}
134
135 struct t_antInfo {
136 enum t_type { ARP, APC };
137
138 t_antInfo() {
139 xx = yy = zz = height = 0.0;
140 type = ARP;
141 height_f = false;
142 message = 0;
143 };
144
145 double xx;
146 double yy;
147 double zz;
148 t_type type;
149 double height;
150 bool height_f;
151 int message;
152 };
153
154 QList<p_obs> _obsList;
155 QList<int> _typeList; // RTCM message types
156 QStringList _antType; // RTCM antenna descriptor
157 QList<t_antInfo> _antList; // RTCM antenna XYZ
158};
159
160#endif
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