source: ntrip/trunk/BNC/src/RTCM3/RTCM3coDecoder.cpp@ 6807

Last change on this file since 6807 was 6564, checked in by stuerze, 10 years ago

try to fix some memory problems
File size: 20.0 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: RTCM3coDecoder
30 *
31 * Purpose: RTCM3 Clock Orbit Decoder
32 *
33 * Author: L. Mervart
34 *
35 * Created: 05-May-2008
36 *
37 * Changes:
38 *
39 * -----------------------------------------------------------------------*/
40
41#include <stdio.h>
42#include <math.h>
43
44#include "RTCM3coDecoder.h"
45#include "bncutils.h"
46#include "bncrinex.h"
47#include "bnccore.h"
48#include "bncsettings.h"
49#include "rtcm3torinex.h"
50#include "bnctime.h"
51
52using namespace std;
53
54// Constructor
55////////////////////////////////////////////////////////////////////////////
56RTCM3coDecoder::RTCM3coDecoder(const QString& staID) {
57
58 _staID = staID;
59
60 // File Output
61 // -----------
62 bncSettings settings;
63 QString path = settings.value("corrPath").toString();
64 if (!path.isEmpty()) {
65 expandEnvVar(path);
66 if ( path.length() > 0 && path[path.length()-1] != QDir::separator() ) {
67 path += QDir::separator();
68 }
69 _fileNameSkl = path + staID;
70 }
71 _out = 0;
72
73 connect(this, SIGNAL(newOrbCorrections(QList<t_orbCorr>)),
74 BNC_CORE, SLOT(slotNewOrbCorrections(QList<t_orbCorr>)));
75
76 connect(this, SIGNAL(newClkCorrections(QList<t_clkCorr>)),
77 BNC_CORE, SLOT(slotNewClkCorrections(QList<t_clkCorr>)));
78
79 connect(this, SIGNAL(newCodeBiases(QList<t_satCodeBias>)),
80 BNC_CORE, SLOT(slotNewCodeBiases(QList<t_satCodeBias>)));
81
82 connect(this, SIGNAL(newPhaseBiases(QList<t_satPhaseBias>)),
83 BNC_CORE, SLOT(slotNewPhaseBiases(QList<t_satPhaseBias>)));
84
85 connect(this, SIGNAL(newTec(t_vTec)),
86 BNC_CORE, SLOT(slotNewTec(t_vTec)));
87
88 connect(this, SIGNAL(providerIDChanged(QString)),
89 BNC_CORE, SIGNAL(providerIDChanged(QString)));
90
91 connect(this, SIGNAL(newMessage(QByteArray,bool)),
92 BNC_CORE, SLOT(slotMessage(const QByteArray,bool)));
93
94 reset();
95
96 _providerID[0] = -1;
97 _providerID[1] = -1;
98 _providerID[2] = -1;
99}
100
101// Destructor
102////////////////////////////////////////////////////////////////////////////
103RTCM3coDecoder::~RTCM3coDecoder() {
104 delete _out;
105}
106
107//
108////////////////////////////////////////////////////////////////////////////
109void RTCM3coDecoder::reset() {
110 memset(&_clkOrb, 0, sizeof(_clkOrb));
111 memset(&_codeBias, 0, sizeof(_codeBias));
112 memset(&_phaseBias, 0, sizeof(_phaseBias));
113 memset(&_vTEC, 0, sizeof(_vTEC));
114}
115
116// Reopen Output File
117////////////////////////////////////////////////////////////////////////
118void RTCM3coDecoder::reopen() {
119
120 if (!_fileNameSkl.isEmpty()) {
121
122 bncSettings settings;
123
124 QDateTime datTim = currentDateAndTimeGPS();
125
126 QString hlpStr = bncRinex::nextEpochStr(datTim,
127 settings.value("corrIntr").toString());
128
129 QString fileNameHlp = _fileNameSkl
130 + QString("%1").arg(datTim.date().dayOfYear(), 3, 10, QChar('0'))
131 + hlpStr + datTim.toString(".yyC");
132
133 if (_fileName == fileNameHlp) {
134 return;
135 }
136 else {
137 _fileName = fileNameHlp;
138 }
139
140 delete _out;
141 if ( Qt::CheckState(settings.value("rnxAppend").toInt()) == Qt::Checked) {
142 _out = new ofstream( _fileName.toAscii().data(), ios_base::out | ios_base::app );
143 }
144 else {
145 _out = new ofstream( _fileName.toAscii().data() );
146 }
147 }
148}
149
150//
151////////////////////////////////////////////////////////////////////////////
152t_irc RTCM3coDecoder::Decode(char* buffer, int bufLen, vector<string>& errmsg) {
153
154 errmsg.clear();
155
156 _buffer.append(QByteArray(buffer,bufLen));
157
158 t_irc retCode = failure;
159
160 while(_buffer.size()) {
161
162 struct ClockOrbit clkOrbSav;
163 struct CodeBias codeBiasSav;
164 struct PhaseBias phaseBiasSav;
165 struct VTEC vTECSav;
166 memcpy(&clkOrbSav, &_clkOrb, sizeof(clkOrbSav)); // save state
167 memcpy(&codeBiasSav, &_codeBias, sizeof(codeBiasSav));
168 memcpy(&phaseBiasSav, &_phaseBias, sizeof(phaseBiasSav));
169 memcpy(&vTECSav, &_vTEC, sizeof(vTECSav));
170
171 int bytesused = 0;
172 GCOB_RETURN irc = GetSSR(&_clkOrb, &_codeBias, &_vTEC, &_phaseBias,
173 _buffer.data(), _buffer.size(), &bytesused);
174
175 if (irc <= -30) { // not enough data - restore state and exit loop
176 memcpy(&_clkOrb, &clkOrbSav, sizeof(clkOrbSav));
177 memcpy(&_codeBias, &codeBiasSav, sizeof(codeBiasSav));
178 memcpy(&_phaseBias, &phaseBiasSav, sizeof(phaseBiasSav));
179 memcpy(&_vTEC, &vTECSav, sizeof(vTECSav));
180 break;
181 }
182
183 else if (irc < 0) { // error - skip 1 byte and retry
184 reset();
185 _buffer = _buffer.mid(bytesused ? bytesused : 1);
186 }
187
188 else { // OK or MESSAGEFOLLOWS
189 _buffer = _buffer.mid(bytesused);
190
191 if (irc == GCOBR_OK || irc == GCOBR_MESSAGEFOLLOWS ) {
192
193 setEpochTime(); // sets _lastTime
194
195 if (_lastTime.valid()) {
196 reopen();
197 checkProviderID();
198 sendResults();
199 retCode = success;
200 }
201 else {
202 retCode = failure;
203 }
204
205 reset();
206 }
207 }
208 }
209
210 return retCode;
211}
212
213//
214////////////////////////////////////////////////////////////////////////////
215void RTCM3coDecoder::sendResults() {
216
217 // Orbit and clock corrections of all satellites
218 // ---------------------------------------------
219 for (unsigned ii = 0; ii < CLOCKORBIT_NUMGPS + _clkOrb.NumberOfSat[CLOCKORBIT_SATGLONASS]; ii++) {
220 char sysCh = ' ';
221 if (ii < _clkOrb.NumberOfSat[CLOCKORBIT_SATGPS]) {
222 sysCh = 'G';
223 }
224 else if (ii >= CLOCKORBIT_NUMGPS) {
225 sysCh = 'R';
226 }
227 else {
228 continue;
229 }
230
231 // Orbit correction
232 // ----------------
233 if ( _clkOrb.messageType == COTYPE_GPSCOMBINED ||
234 _clkOrb.messageType == COTYPE_GLONASSCOMBINED ||
235 _clkOrb.messageType == COTYPE_GPSORBIT ||
236 _clkOrb.messageType == COTYPE_GLONASSORBIT ) {
237
238 t_orbCorr orbCorr;
239 orbCorr._prn.set(sysCh, _clkOrb.Sat[ii].ID);
240 orbCorr._staID = _staID.toStdString();
241 orbCorr._iod = _clkOrb.Sat[ii].IOD;
242 orbCorr._time = _lastTime;
243 orbCorr._updateInt = _clkOrb.UpdateInterval;
244 orbCorr._system = 'R';
245 orbCorr._xr[0] = _clkOrb.Sat[ii].Orbit.DeltaRadial;
246 orbCorr._xr[1] = _clkOrb.Sat[ii].Orbit.DeltaAlongTrack;
247 orbCorr._xr[2] = _clkOrb.Sat[ii].Orbit.DeltaCrossTrack;
248 orbCorr._dotXr[0] = _clkOrb.Sat[ii].Orbit.DotDeltaRadial;
249 orbCorr._dotXr[1] = _clkOrb.Sat[ii].Orbit.DotDeltaAlongTrack;
250 orbCorr._dotXr[2] = _clkOrb.Sat[ii].Orbit.DotDeltaCrossTrack;
251
252 _orbCorrections[_lastTime].push_back(orbCorr);
253
254 _IODs[orbCorr._prn] = _clkOrb.Sat[ii].IOD;
255 }
256
257 // Clock Corrections
258 // -----------------
259 if ( _clkOrb.messageType == COTYPE_GPSCOMBINED ||
260 _clkOrb.messageType == COTYPE_GLONASSCOMBINED ||
261 _clkOrb.messageType == COTYPE_GPSCLOCK ||
262 _clkOrb.messageType == COTYPE_GLONASSCLOCK ) {
263
264 t_clkCorr clkCorr;
265 clkCorr._prn.set(sysCh, _clkOrb.Sat[ii].ID);
266 clkCorr._staID = _staID.toStdString();
267 clkCorr._time = _lastTime;
268 clkCorr._updateInt = _clkOrb.UpdateInterval;
269 clkCorr._dClk = _clkOrb.Sat[ii].Clock.DeltaA0 / t_CST::c;
270 clkCorr._dotDClk = _clkOrb.Sat[ii].Clock.DeltaA1 / t_CST::c;
271 clkCorr._dotDotDClk = _clkOrb.Sat[ii].Clock.DeltaA2 / t_CST::c;
272
273 _lastClkCorrections[clkCorr._prn] = clkCorr;
274
275 if (_IODs.contains(clkCorr._prn)) {
276 clkCorr._iod = _IODs[clkCorr._prn];
277 _clkCorrections[_lastTime].push_back(clkCorr);
278 }
279 }
280
281 // High-Resolution Clocks
282 // ----------------------
283 if ( _clkOrb.messageType == COTYPE_GPSHR ||
284 _clkOrb.messageType == COTYPE_GLONASSHR ) {
285
286 t_prn prn(sysCh, _clkOrb.Sat[ii].ID);
287 if (_lastClkCorrections.contains(prn)) {
288 t_clkCorr clkCorr;
289 clkCorr = _lastClkCorrections[prn];
290 clkCorr._time = _lastTime;
291 clkCorr._updateInt = _clkOrb.UpdateInterval;
292 clkCorr._dClk += _clkOrb.Sat[ii].hrclock / t_CST::c;
293 if (_IODs.contains(clkCorr._prn)) {
294 clkCorr._iod = _IODs[clkCorr._prn];
295 _clkCorrections[_lastTime].push_back(clkCorr);
296 }
297 }
298 }
299 }
300
301 // Code Biases
302 // -----------
303 for (unsigned ii = 0; ii < CLOCKORBIT_NUMGPS + _codeBias.NumberOfSat[CLOCKORBIT_SATGLONASS]; ii++) {
304 char sysCh = ' ';
305 if (ii < _codeBias.NumberOfSat[CLOCKORBIT_SATGPS]) {
306 sysCh = 'G';
307 }
308 else if (ii >= CLOCKORBIT_NUMGPS) {
309 sysCh = 'R';
310 }
311 else {
312 continue;
313 }
314 t_satCodeBias satCodeBias;
315 satCodeBias._prn.set(sysCh, _codeBias.Sat[ii].ID);
316 satCodeBias._staID = _staID.toStdString();
317 satCodeBias._time = _lastTime;
318 satCodeBias._updateInt = _codeBias.UpdateInterval;
319 for (unsigned jj = 0; jj < _codeBias.Sat[ii].NumberOfCodeBiases; jj++) {
320 const CodeBias::BiasSat::CodeBiasEntry& biasEntry = _codeBias.Sat[ii].Biases[jj];
321 t_frqCodeBias frqCodeBias;
322 frqCodeBias._rnxType2ch = codeTypeToRnxType(sysCh, biasEntry.Type);
323 frqCodeBias._value = biasEntry.Bias;
324 if (!frqCodeBias._rnxType2ch.empty()) {
325 satCodeBias._bias.push_back(frqCodeBias);
326 }
327 }
328 _codeBiases[_lastTime].push_back(satCodeBias);
329 }
330
331 // Phase Biases
332 // -----------
333 for (unsigned ii = 0; ii < CLOCKORBIT_NUMGPS + _phaseBias.NumberOfSat[CLOCKORBIT_SATGLONASS]; ii++) {
334 char sysCh = ' ';
335 if (ii < _phaseBias.NumberOfSat[CLOCKORBIT_SATGPS]) {
336 sysCh = 'G';
337 }
338 else if (ii >= CLOCKORBIT_NUMGPS) {
339 sysCh = 'R';
340 }
341 else {
342 continue;
343 }
344 t_satPhaseBias satPhaseBias;
345 satPhaseBias._prn.set(sysCh, _phaseBias.Sat[ii].ID);
346 satPhaseBias._staID = _staID.toStdString();
347 satPhaseBias._time = _lastTime;
348 satPhaseBias._updateInt = _phaseBias.UpdateInterval;
349 satPhaseBias._yawDeg = _phaseBias.Sat[ii].YawAngle * 180.0 / M_PI;
350 satPhaseBias._yawDegRate = _phaseBias.Sat[ii].YawRate * 180.0 / M_PI;
351 for (unsigned jj = 0; jj < _phaseBias.Sat[ii].NumberOfPhaseBiases; jj++) {
352 const PhaseBias::PhaseBiasSat::PhaseBiasEntry& biasEntry = _phaseBias.Sat[ii].Biases[jj];
353 t_frqPhaseBias frqPhaseBias;
354 frqPhaseBias._rnxType2ch = codeTypeToRnxType(sysCh, biasEntry.Type);
355 frqPhaseBias._value = biasEntry.Bias;
356 frqPhaseBias._fixIndicator = biasEntry.SignalIntegerIndicator;
357 frqPhaseBias._fixWideLaneIndicator = biasEntry.SignalsWideLaneIntegerIndicator;
358 frqPhaseBias._jumpCounter = biasEntry.SignalDiscontinuityCounter;
359 if (!frqPhaseBias._rnxType2ch.empty()) {
360 satPhaseBias._bias.push_back(frqPhaseBias);
361 }
362 }
363 _phaseBiases[_lastTime].push_back(satPhaseBias);
364 }
365
366 // Ionospheric Model
367 // -----------------
368 if (_vTEC.NumLayers > 0) {
369 _vTecMap[_lastTime]._time = _lastTime;
370 _vTecMap[_lastTime]._updateInt = _vTEC.UpdateInterval;
371 _vTecMap[_lastTime]._staID = _staID.toStdString();
372 for (unsigned ii = 0; ii < _vTEC.NumLayers; ii++) {
373 const VTEC::IonoLayers& ionoLayer = _vTEC.Layers[ii];
374 t_vTecLayer layer;
375 layer._height = ionoLayer.Height;
376 layer._C.ReSize(ionoLayer.Degree, ionoLayer.Order);
377 layer._S.ReSize(ionoLayer.Degree, ionoLayer.Order);
378 for (unsigned iDeg = 0; iDeg < ionoLayer.Degree; iDeg++) {
379 for (unsigned iOrd = 0; iOrd < ionoLayer.Order; iOrd++) {
380 layer._C[iDeg][iOrd] = ionoLayer.Cosinus[iDeg][iOrd];
381 layer._S[iDeg][iOrd] = ionoLayer.Sinus[iDeg][iOrd];
382 }
383 }
384 _vTecMap[_lastTime]._layers.push_back(layer);
385 }
386 }
387
388 // Dump all older epochs
389 // ---------------------
390 QMutableMapIterator<bncTime, QList<t_orbCorr> > itOrb(_orbCorrections);
391 while (itOrb.hasNext()) {
392 itOrb.next();
393 if (itOrb.key() < _lastTime) {
394 emit newOrbCorrections(itOrb.value());
395 t_orbCorr::writeEpoch(_out, itOrb.value());
396 itOrb.remove();
397 }
398 }
399 QMutableMapIterator<bncTime, QList<t_clkCorr> > itClk(_clkCorrections);
400 while (itClk.hasNext()) {
401 itClk.next();
402 if (itClk.key() < _lastTime) {
403 emit newClkCorrections(itClk.value());
404 t_clkCorr::writeEpoch(_out, itClk.value());
405 itClk.remove();
406 }
407 }
408 QMutableMapIterator<bncTime, QList<t_satCodeBias> > itCB(_codeBiases);
409 while (itCB.hasNext()) {
410 itCB.next();
411 if (itCB.key() < _lastTime) {
412 emit newCodeBiases(itCB.value());
413 t_satCodeBias::writeEpoch(_out, itCB.value());
414 itCB.remove();
415 }
416 }
417 QMutableMapIterator<bncTime, QList<t_satPhaseBias> > itPB(_phaseBiases);
418 while (itPB.hasNext()) {
419 itPB.next();
420 if (itPB.key() < _lastTime) {
421 emit newPhaseBiases(itPB.value());
422 t_satPhaseBias::writeEpoch(_out, itPB.value());
423 itPB.remove();
424 }
425 }
426 QMutableMapIterator<bncTime, t_vTec> itTec(_vTecMap);
427 while (itTec.hasNext()) {
428 itTec.next();
429 if (itTec.key() < _lastTime) {
430 emit newTec(itTec.value());
431 t_vTec::write(_out, itTec.value());
432 itTec.remove();
433 }
434 }
435}
436
437//
438////////////////////////////////////////////////////////////////////////////
439void RTCM3coDecoder::checkProviderID() {
440
441 if (_clkOrb.SSRProviderID == 0 && _clkOrb.SSRSolutionID == 0 && _clkOrb.SSRIOD == 0) {
442 return;
443 }
444
445 int newProviderID[3];
446 newProviderID[0] = _clkOrb.SSRProviderID;
447 newProviderID[1] = _clkOrb.SSRSolutionID;
448 newProviderID[2] = _clkOrb.SSRIOD;
449
450 bool alreadySet = false;
451 bool different = false;
452
453 for (unsigned ii = 0; ii < 3; ii++) {
454 if (_providerID[ii] != -1) {
455 alreadySet = true;
456 }
457 if (_providerID[ii] != newProviderID[ii]) {
458 different = true;
459 }
460 _providerID[ii] = newProviderID[ii];
461 }
462
463 if (alreadySet && different) {
464 emit newMessage("RTCM3coDecoder: Provider Changed " + _staID.toAscii() + "\n", true);
465 emit providerIDChanged(_staID);
466 }
467}
468
469//
470////////////////////////////////////////////////////////////////////////////
471void RTCM3coDecoder::setEpochTime() {
472
473 _lastTime.reset();
474
475 double epoSecGPS = -1.0;
476 double epoSecGlo = -1.0;
477 if (_clkOrb.NumberOfSat[CLOCKORBIT_SATGPS] > 0) {
478 epoSecGPS = _clkOrb.EpochTime[CLOCKORBIT_SATGPS]; // 0 .. 604799 s
479 }
480 else if (_codeBias.NumberOfSat[CLOCKORBIT_SATGPS] > 0) {
481 epoSecGPS = _codeBias.EpochTime[CLOCKORBIT_SATGPS]; // 0 .. 604799 s
482 }
483 else if (_phaseBias.NumberOfSat[CLOCKORBIT_SATGPS] > 0) {
484 epoSecGPS = _phaseBias.EpochTime[CLOCKORBIT_SATGPS]; // 0 .. 604799 s
485 }
486 else if (_vTEC.NumLayers > 0) {
487 epoSecGPS = _vTEC.EpochTime; // 0 .. 604799 s
488 }
489 else if (_clkOrb.NumberOfSat[CLOCKORBIT_SATGLONASS] > 0) {
490 epoSecGlo = _clkOrb.EpochTime[CLOCKORBIT_SATGLONASS]; // 0 .. 86399 s
491 }
492 else if (_codeBias.NumberOfSat[CLOCKORBIT_SATGLONASS] > 0) {
493 epoSecGlo = _codeBias.EpochTime[CLOCKORBIT_SATGLONASS]; // 0 .. 86399 s
494 }
495 else if (_phaseBias.NumberOfSat[CLOCKORBIT_SATGLONASS] > 0) {
496 epoSecGlo = _phaseBias.EpochTime[CLOCKORBIT_SATGLONASS]; // 0 .. 86399 s
497 }
498
499 // Retrieve current time
500 // ---------------------
501 int currentWeek = 0;
502 double currentSec = 0.0;
503 currentGPSWeeks(currentWeek, currentSec);
504 bncTime currentTime(currentWeek, currentSec);
505
506 // Set _lastTime close to currentTime
507 // ----------------------------------
508 if (epoSecGPS != -1) {
509 _lastTime.set(currentWeek, epoSecGPS);
510 }
511 else if (epoSecGlo != -1) {
512 QDate date = dateAndTimeFromGPSweek(currentTime.gpsw(), currentTime.gpssec()).date();
513 epoSecGlo = epoSecGlo - 3 * 3600 + gnumleap(date.year(), date.month(), date.day());
514 _lastTime.set(currentWeek, epoSecGlo);
515 }
516
517 if (_lastTime.valid()) {
518 double maxDiff = 12 * 3600.0;
519 while (_lastTime < currentTime - maxDiff) {
520 _lastTime = _lastTime + maxDiff;
521 }
522 while (_lastTime > currentTime + maxDiff) {
523 _lastTime = _lastTime - maxDiff;
524 }
525 }
526}
527
528//
529////////////////////////////////////////////////////////////////////////////
530string RTCM3coDecoder::codeTypeToRnxType(char system, CodeType type) const {
531 if (system == 'G') {
532 switch (type) {
533 case CODETYPEGPS_L1_CA: return "1C";
534 case CODETYPEGPS_L1_P: return "1P";
535 case CODETYPEGPS_L1_Z: return "1W";
536 case CODETYPEGPS_L2_CA: return "2C";
537 case CODETYPEGPS_SEMI_CODELESS: return "?N"; // which carrier ?
538 case CODETYPEGPS_L2_CM: return "2S";
539 case CODETYPEGPS_L2_CL: return "2L";
540 case CODETYPEGPS_L2_CML: return "2X";
541 case CODETYPEGPS_L2_P: return "2P";
542 case CODETYPEGPS_L2_Z: return "2W";
543 case CODETYPEGPS_L5_I: return "5I";
544 case CODETYPEGPS_L5_Q: return "5Q";
545 default: return "";
546 }
547 }
548 else if (system == 'R') {
549 switch (type) {
550 case CODETYPEGLONASS_L1_CA: return "1C";
551 case CODETYPEGLONASS_L1_P: return "1P";
552 case CODETYPEGLONASS_L2_CA: return "2C";
553 case CODETYPEGLONASS_L2_P: return "2P";
554 default: return "";
555 }
556 }
557 else if (system == 'E') {
558 switch (type) {
559 case CODETYPEGALILEO_E1_A: return "1A";
560 case CODETYPEGALILEO_E1_B: return "1B";
561 case CODETYPEGALILEO_E1_C: return "1C";
562 case CODETYPEGALILEO_E5A_I: return "5I";
563 case CODETYPEGALILEO_E5A_Q: return "5Q";
564 case CODETYPEGALILEO_E5B_I: return "7I";
565 case CODETYPEGALILEO_E5B_Q: return "7Q";
566 case CODETYPEGALILEO_E5_I: return "8I";
567 case CODETYPEGALILEO_E5_Q: return "8Q";
568 case CODETYPEGALILEO_E6_A: return "6A";
569 case CODETYPEGALILEO_E6_B: return "6B";
570 case CODETYPEGALILEO_E6_C: return "6C";
571 default: return "";
572 }
573 }
574 else if (system == 'J') {
575 switch (type) {
576 case CODETYPEQZSS_L1_CA: return "1C";
577 case CODETYPEQZSS_L1C_D: return "1S";
578 case CODETYPEQZSS_L1C_P: return "1L";
579 case CODETYPEQZSS_L1C_DP: return "1X";
580 case CODETYPEQZSS_L2_CM: return "2S";
581 case CODETYPEQZSS_L2_CL: return "2L";
582 case CODETYPEQZSS_L2_CML: return "2X";
583 case CODETYPEQZSS_L5_I: return "5I";
584 case CODETYPEQZSS_L5_Q: return "5Q";
585 case CODETYPEQZSS_L5_IQ: return "5X";
586 case CODETYPEQZSS_LEX_S: return "6S";
587 case CODETYPEQZSS_LEX_L: return "6L";
588 case CODETYPEQZSS_LEX_SL: return "6X";
589 default: return "";
590 }
591 }
592 else if (system == 'S') {
593 switch (type) {
594 case CODETYPE_SBAS_L1_CA: return "1C";
595 case CODETYPE_SBAS_L5_I: return "5I";
596 case CODETYPE_SBAS_L5_Q: return "5Q";
597 case CODETYPE_SBAS_L5_IQ: return "5X";
598 default: return "";
599 }
600 }
601 else if (system == 'C') {
602 switch (type) {
603 case CODETYPE_BDS_B1_I: return "1I";
604 case CODETYPE_BDS_B1_Q: return "1Q";
605 case CODETYPE_BDS_B1_IQ: return "1X";
606 case CODETYPE_BDS_B2_I: return "7I";
607 case CODETYPE_BDS_B2_Q: return "7Q";
608 case CODETYPE_BDS_B2_IQ: return "7X";
609 case CODETYPE_BDS_B3_I: return "6I";
610 case CODETYPE_BDS_B3_Q: return "6Q";
611 case CODETYPE_BDS_B3_IQ: return "6X";
612 default: return "";
613 }
614 }
615 return "";
616};
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