source: ntrip/trunk/BNC/RTCM/GPSDecoder.h@ 2637

Last change on this file since 2637 was 1567, checked in by mervart, 16 years ago

* empty log message *

File size: 4.5 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
37class t_obsInternal {
38 public:
39
40 t_obsInternal() :
41 flags(0),
42 satSys(' '),
43 satNum(0),
44 slot(0),
45 GPSWeek(0),
46 GPSWeeks(0.0),
47 C1(0.0),
48 C2(0.0),
49 P1(0.0),
50 P2(0.0),
51 L1(0.0),
52 L2(0.0),
53 slip_cnt_L1(-1),
54 slip_cnt_L2(-1),
55 lock_timei_L1(-1),
56 lock_timei_L2(-1),
57 S1(0.0),
58 S2(0.0),
59 SNR1(0),
60 SNR2(0) {
61 StatID[0] = '\x0';
62 }
63 int flags;
64 char StatID[20+1]; // Station ID
65 char satSys; // Satellite System ('G' or 'R')
66 int satNum; // Satellite Number (PRN for GPS NAVSTAR)
67 int slot; // Slot Number (for Glonass)
68 int GPSWeek; // Week of GPS-Time
69 double GPSWeeks; // Second of Week (GPS-Time)
70 double C1; // CA-code pseudorange (meters)
71 double C2; // CA-code pseudorange (meters)
72 double P1; // P1-code pseudorange (meters)
73 double P2; // P2-code pseudorange (meters)
74 double L1; // L1 carrier phase (cycles)
75 double L2; // L2 carrier phase (cycles)
76 int slip_cnt_L1; // L1 cumulative loss of continuity indicator (negative value = undefined)
77 int slip_cnt_L2; // L2 cumulative loss of continuity indicator (negative value = undefined)
78 int lock_timei_L1; // L1 last lock time indicator (negative value = undefined)
79 int lock_timei_L2; // L2 last lock time indicator (negative value = undefined)
80 double S1; // L1 signal-to noise ratio
81 double S2; // L2 signal-to noise ratio
82 int SNR1; // L1 signal-to noise ratio (mapped to integer)
83 int SNR2; // L2 signal-to noise ratio (mapped to integer)
84};
85
86class t_obs : public QObject{
87 public:
88 enum t_obs_status {initial, posted, received};
89
90 t_obs() {
91 _status = initial;
92
93 _o.flags = 0;
94 _o.StatID[0] = '\0';
95 _o.satSys = 'G';
96 _o.satNum = 0;
97 _o.slot = 0;
98 _o.GPSWeek = 0;
99 _o.GPSWeeks = 0.0;
100 _o.C1 = 0.0;
101 _o.C2 = 0.0;
102 _o.P1 = 0.0;
103 _o.P2 = 0.0;
104 _o.L1 = 0.0;
105 _o.L2 = 0.0;
106 _o.S1 = 0.0;
107 _o.S2 = 0.0;
108 _o.slip_cnt_L1 = -1;
109 _o.slip_cnt_L2 = -1;
110 _o.lock_timei_L1 = -1;
111 _o.lock_timei_L2 = -1;
112 _o.SNR1 = 0;
113 _o.SNR2 = 0;
114 }
115
116 ~t_obs() {}
117
118 t_obsInternal _o;
119 t_obs_status _status;
120};
121
122typedef QPointer<t_obs> p_obs;
123
124class GPSDecoder {
125 public:
126 virtual t_irc Decode(char* buffer, int bufLen, std::vector<std::string>& errmsg) = 0;
127
128 virtual ~GPSDecoder() {
129 QListIterator<p_obs> it(_obsList);
130 while (it.hasNext()) {
131 p_obs obs = it.next();
132 if (!obs.isNull() && obs->_status == t_obs::initial) {
133 delete obs;
134 }
135 }
136 }
137
138 virtual int corrGPSEpochTime() const {return -1;}
139
140 struct t_antInfo {
141 enum t_type { ARP, APC };
142
143 t_antInfo() {
144 xx = yy = zz = height = 0.0;
145 type = ARP;
146 height_f = false;
147 message = 0;
148 };
149
150 double xx;
151 double yy;
152 double zz;
153 t_type type;
154 double height;
155 bool height_f;
156 int message;
157 };
158
159 QList<p_obs> _obsList;
160 QList<int> _typeList; // RTCM message types
161 QStringList _antType; // RTCM antenna descriptor
162 QList<t_antInfo> _antList; // RTCM antenna XYZ
163};
164
165#endif
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