source: ntrip/trunk/BNC/src/RTCM/GPSDecoder.cpp@ 5355

Last change on this file since 5355 was 5355, checked in by mervart, 9 years ago
File size: 4.7 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/* -------------------------------------------------------------------------
26 * BKG NTRIP Client
27 * -------------------------------------------------------------------------
28 *
29 * Class: GPSDecoder
30 *
31 * Purpose: Decoder Base Class
32 *
33 * Author: L. Mervart
34 *
35 * Created: 16-Dec-2011
36 *
37 * Changes:
38 *
39 * -----------------------------------------------------------------------*/
40
41#include <iomanip>
42#include <cmath>
43
44#include "GPSDecoder.h"
45#include "bncsettings.h"
46
47extern "C" {
48#include "rtcm3torinex.h"
49}
50
51using namespace std;
52
53// Constructor
54//////////////////////////////////////////////////////////////////////////////
55GPSDecoder::GPSDecoder() {
56 _rnx = 0;
57}
58
59// Initialize RINEX Writer
60//////////////////////////////////////////////////////////////////////////////
61void GPSDecoder::initRinex(const QByteArray& staID, const QUrl& mountPoint,
62 const QByteArray& latitude,
63 const QByteArray& longitude, const QByteArray& nmea,
64 const QByteArray& ntripVersion) {
65 if (_rnx) {
66 return;
67 }
68 bncSettings settings;
69 if ( !settings.value("rnxPath").toString().isEmpty() ) {
70 _rnx = new bncRinex(staID, mountPoint, latitude, longitude,
71 nmea, ntripVersion);
72 }
73}
74
75// Write RINEX Epoch
76//////////////////////////////////////////////////////////////////////////////
77void GPSDecoder::dumpRinexEpoch(const t_obs& obs, const QByteArray& format) {
78 if (_rnx) {
79 long iSec = long(floor(obs.GPSWeeks+0.5));
80 long obsTime = obs.GPSWeek * 7*24*3600 + iSec;
81 if (_rnx->samplingRate() == 0 || iSec % _rnx->samplingRate() == 0) {
82 _rnx->deepCopy(obs);
83 }
84 _rnx->dumpEpoch(format, obsTime);
85 }
86}
87
88// Set RINEX Reconnect Flag
89//////////////////////////////////////////////////////////////////////////////
90void GPSDecoder::setRinexReconnectFlag(bool flag) {
91 if (_rnx) {
92 _rnx->setReconnectFlag(flag);
93 }
94}
95
96//
97//////////////////////////////////////////////////////////////////////////////
98void t_obs::setMeasdata(const QString& rnxStr, float rnxVers, double value) {
99 int ie = iEntry(rnxStr, rnxVers);
100 if (ie != -1) {
101 _measdata[ie] = value;
102 }
103}
104
105//
106//////////////////////////////////////////////////////////////////////////////
107double t_obs::measdata(const QString& rnxStr, float rnxVers) const {
108 int ie = iEntry(rnxStr, rnxVers);
109 if (ie != -1) {
110 return _measdata[ie];
111 }
112 else {
113 return 0.0;
114 }
115}
116
117//
118//////////////////////////////////////////////////////////////////////////////
119int t_obs::iEntry(QString rnxStr, float rnxVers) const {
120
121 if (rnxVers < 3.0) {
122 if (rnxStr == "C1") rnxStr = "C1C";
123 else if (rnxStr == "P1") rnxStr = "C1P";
124 else if (rnxStr == "C2") rnxStr = "C2C";
125 else if (rnxStr == "P2") rnxStr = "C2P";
126 }
127
128 for (int ie = 0; ie < GNSSENTRY_NUMBER; ie++) {
129 if (rnxStr.mid(1) == QString(_codetype[ie])) {
130 if (rnxStr[0] == 'C') {
131 return ie + GNSSENTRY_CODE;
132 }
133 else if (rnxStr[0] == 'L') {
134 return ie + GNSSENTRY_PHASE;
135 }
136 else if (rnxStr[0] == 'D') {
137 return ie + GNSSENTRY_DOPPLER;
138 }
139 else if (rnxStr[0] == 'S') {
140 return ie + GNSSENTRY_SNR;
141 }
142 }
143 }
144 return -1;
145 //// return rrinex3codetoentry(rnxStr.toAscii().data());
146}
147
148//
149//////////////////////////////////////////////////////////////////////////////
150QString t_obs::rnxStr(int iEntry) const {
151 QString str(3,' ');
152 switch(iEntry & 3) {
153 case GNSSENTRY_CODE: str[0] = 'C'; break;
154 case GNSSENTRY_PHASE: str[0] = 'L'; break;
155 case GNSSENTRY_DOPPLER: str[0] = 'D'; break;
156 case GNSSENTRY_SNR: str[0] = 'S'; break;
157 }
158 if (_codetype[iEntry]) {
159 str[1] = _codetype[iEntry][0];
160 str[2] = _codetype[iEntry][1];
161 }
162 return str.trimmed();
163}
Note: See TracBrowser for help on using the repository browser.