source: ntrip/trunk/BNC/src/RTCM3/RTCM3coDecoder.cpp@ 9771

Last change on this file since 9771 was 9771, checked in by stuerze, 3 years ago
File size: 23.4 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 "bnctime.h"
50
51using namespace std;
52
53// Constructor
54////////////////////////////////////////////////////////////////////////////
55RTCM3coDecoder::RTCM3coDecoder(const QString& staID) {
56
57 _staID = staID;
58
59 // File Output
60 // -----------
61 bncSettings settings;
62 QString path = settings.value("corrPath").toString();
63 if (!path.isEmpty()) {
64 expandEnvVar(path);
65 if ( path.length() > 0 && path[path.length()-1] != QDir::separator() ) {
66 path += QDir::separator();
67 }
68 _fileNameSkl = path + staID;
69 }
70 _out = 0;
71
72 connect(this, SIGNAL(newOrbCorrections(QList<t_orbCorr>)),
73 BNC_CORE, SLOT(slotNewOrbCorrections(QList<t_orbCorr>)));
74
75 connect(this, SIGNAL(newClkCorrections(QList<t_clkCorr>)),
76 BNC_CORE, SLOT(slotNewClkCorrections(QList<t_clkCorr>)));
77
78 connect(this, SIGNAL(newCodeBiases(QList<t_satCodeBias>)),
79 BNC_CORE, SLOT(slotNewCodeBiases(QList<t_satCodeBias>)));
80
81 connect(this, SIGNAL(newPhaseBiases(QList<t_satPhaseBias>)),
82 BNC_CORE, SLOT(slotNewPhaseBiases(QList<t_satPhaseBias>)));
83
84 connect(this, SIGNAL(newTec(t_vTec)),
85 BNC_CORE, SLOT(slotNewTec(t_vTec)));
86
87 connect(this, SIGNAL(providerIDChanged(QString)),
88 BNC_CORE, SIGNAL(providerIDChanged(QString)));
89
90 connect(this, SIGNAL(newMessage(QByteArray,bool)),
91 BNC_CORE, SLOT(slotMessage(const QByteArray,bool)));
92
93 reset();
94
95 _providerID[0] = -1;
96 _providerID[1] = -1;
97 _providerID[2] = -1;
98
99 _ssrCorr = 0;
100}
101
102// Destructor
103////////////////////////////////////////////////////////////////////////////
104RTCM3coDecoder::~RTCM3coDecoder() {
105 delete _out;
106 delete _ssrCorr;
107 _IODs.clear();
108 _orbCorrections.clear();
109 _clkCorrections.clear();
110 _lastClkCorrections.clear();
111 _codeBiases.clear();
112 _phaseBiases.clear();
113 _vTecMap.clear();
114}
115
116//
117////////////////////////////////////////////////////////////////////////////
118void RTCM3coDecoder::reset() {
119 memset(&_clkOrb, 0, sizeof(_clkOrb));
120 memset(&_codeBias, 0, sizeof(_codeBias));
121 memset(&_phaseBias, 0, sizeof(_phaseBias));
122 memset(&_vTEC, 0, sizeof(_vTEC));
123}
124
125// Reopen Output File
126////////////////////////////////////////////////////////////////////////
127void RTCM3coDecoder::reopen() {
128
129 if (!_fileNameSkl.isEmpty()) {
130
131 bncSettings settings;
132
133 QDateTime datTim = currentDateAndTimeGPS();
134
135 QString hlpStr = bncRinex::nextEpochStr(datTim,
136 settings.value("corrIntr").toString(), 3);
137
138 QString fileNameHlp = _fileNameSkl +
139 "_S_" + // stream
140 QString("%1").arg(datTim.date().year()) +
141 QString("%1").arg(datTim.date().dayOfYear(), 3, 10, QChar('0')) +
142 hlpStr + // HM_period
143 "_MC.ssr"; // mixed BRDC
144
145 if (_fileName == fileNameHlp) {
146 return;
147 }
148 else {
149 _fileName = fileNameHlp;
150 }
151
152 delete _out;
153 if ( Qt::CheckState(settings.value("rnxAppend").toInt()) == Qt::Checked) {
154 _out = new ofstream( _fileName.toLatin1().data(), ios_base::out | ios_base::app );
155 }
156 else {
157 _out = new ofstream( _fileName.toLatin1().data() );
158 }
159 }
160}
161
162//
163////////////////////////////////////////////////////////////////////////////
164t_irc RTCM3coDecoder::Decode(char* buffer, int bufLen, vector<string>& errmsg) {
165
166 errmsg.clear();
167
168 _buffer.append(QByteArray(buffer,bufLen));
169
170 t_irc retCode = failure;
171
172 while(_buffer.size()) {
173
174 struct SsrCorr::ClockOrbit clkOrbSav;
175 struct SsrCorr::CodeBias codeBiasSav;
176 struct SsrCorr::PhaseBias phaseBiasSav;
177 struct SsrCorr::VTEC vTECSav;
178 memcpy(&clkOrbSav, &_clkOrb, sizeof(clkOrbSav)); // save state
179 memcpy(&codeBiasSav, &_codeBias, sizeof(codeBiasSav));
180 memcpy(&phaseBiasSav, &_phaseBias, sizeof(phaseBiasSav));
181 memcpy(&vTECSav, &_vTEC, sizeof(vTECSav));
182
183 int bytesused = 0;
184
185 GCOB_RETURN irc = _ssrCorr->GetSSR(&_clkOrb, &_codeBias, &_vTEC, &_phaseBias,
186 _buffer.data(), _buffer.size(), &bytesused);
187
188 if (irc <= -30) { // not enough data - restore state and exit loop
189 memcpy(&_clkOrb, &clkOrbSav, sizeof(clkOrbSav));
190 memcpy(&_codeBias, &codeBiasSav, sizeof(codeBiasSav));
191 memcpy(&_phaseBias, &phaseBiasSav, sizeof(phaseBiasSav));
192 memcpy(&_vTEC, &vTECSav, sizeof(vTECSav));
193 break;
194 }
195
196 else if (irc < 0) { // error - skip 1 byte and retry
197 reset();
198 _buffer = _buffer.mid(bytesused ? bytesused : 1);
199 }
200
201 else { // OK or MESSAGEFOLLOWS
202 _buffer = _buffer.mid(bytesused);
203
204 if (irc == GCOBR_OK || irc == GCOBR_MESSAGEFOLLOWS ) {
205
206 setEpochTime(); // sets _lastTime
207
208 if (_lastTime.valid()) {
209 reopen();
210 checkProviderID();
211 sendResults();
212 retCode = success;
213 }
214 else {
215 retCode = failure;
216 }
217
218 reset();
219 }
220 }
221 }
222
223 return retCode;
224}
225
226//
227////////////////////////////////////////////////////////////////////////////
228void RTCM3coDecoder::sendResults() {
229
230 // Orbit and clock corrections of all satellites
231 // ---------------------------------------------
232 for (unsigned ii = 0; ii < CLOCKORBIT_NUMGPS
233 + CLOCKORBIT_NUMGLONASS
234 + CLOCKORBIT_NUMGALILEO
235 + CLOCKORBIT_NUMQZSS
236 + CLOCKORBIT_NUMSBAS
237 + _clkOrb.NumberOfSat[CLOCKORBIT_SATBDS];
238 ii++) {
239 char sysCh = ' ';
240 int flag = 0;
241 if (ii < _clkOrb.NumberOfSat[CLOCKORBIT_SATGPS]) {
242 sysCh = 'G';
243 }
244 else if (ii >= CLOCKORBIT_OFFSETGLONASS &&
245 ii < CLOCKORBIT_OFFSETGLONASS + _clkOrb.NumberOfSat[CLOCKORBIT_SATGLONASS]) {
246 sysCh = 'R';
247 }
248 else if (ii >= CLOCKORBIT_OFFSETGALILEO &&
249 ii < CLOCKORBIT_OFFSETGALILEO + _clkOrb.NumberOfSat[CLOCKORBIT_SATGALILEO]) {
250 sysCh = 'E';
251 flag = 1; // I/NAV clock has been chosen as reference clock for Galileo SSR corrections
252 }
253 else if (ii >= CLOCKORBIT_OFFSETQZSS &&
254 ii < CLOCKORBIT_OFFSETQZSS + _clkOrb.NumberOfSat[CLOCKORBIT_SATQZSS]) {
255 sysCh = 'J';
256 }
257 else if (ii >= CLOCKORBIT_OFFSETSBAS &&
258 ii < CLOCKORBIT_OFFSETSBAS + _clkOrb.NumberOfSat[CLOCKORBIT_SATSBAS]) {
259 sysCh = 'S';
260 }
261 else if (ii >= CLOCKORBIT_OFFSETBDS &&
262 ii < CLOCKORBIT_OFFSETBDS + _clkOrb.NumberOfSat[CLOCKORBIT_SATBDS]) {
263 sysCh = 'C';
264 }
265 else {
266 continue;
267 }
268
269 // Orbit correction
270 // ----------------
271 if ( _clkOrb.messageType == _ssrCorr->COTYPE_GPSCOMBINED ||
272 _clkOrb.messageType == _ssrCorr->COTYPE_GLONASSCOMBINED ||
273 _clkOrb.messageType == _ssrCorr->COTYPE_GALILEOCOMBINED ||
274 _clkOrb.messageType == _ssrCorr->COTYPE_QZSSCOMBINED ||
275 _clkOrb.messageType == _ssrCorr->COTYPE_SBASCOMBINED ||
276 _clkOrb.messageType == _ssrCorr->COTYPE_BDSCOMBINED ||
277 _clkOrb.messageType == _ssrCorr->COTYPE_GPSORBIT ||
278 _clkOrb.messageType == _ssrCorr->COTYPE_GLONASSORBIT ||
279 _clkOrb.messageType == _ssrCorr->COTYPE_GALILEOORBIT ||
280 _clkOrb.messageType == _ssrCorr->COTYPE_QZSSORBIT ||
281 _clkOrb.messageType == _ssrCorr->COTYPE_SBASORBIT ||
282 _clkOrb.messageType == _ssrCorr->COTYPE_BDSORBIT ) {
283
284 t_orbCorr orbCorr;
285 orbCorr._prn.set(sysCh, _clkOrb.Sat[ii].ID, flag);
286 orbCorr._staID = _staID.toStdString();
287 orbCorr._iod = _clkOrb.Sat[ii].IOD;
288 orbCorr._time = _lastTime;
289 orbCorr._updateInt = _clkOrb.UpdateInterval;
290 orbCorr._system = sysCh;
291 orbCorr._xr[0] = _clkOrb.Sat[ii].Orbit.DeltaRadial;
292 orbCorr._xr[1] = _clkOrb.Sat[ii].Orbit.DeltaAlongTrack;
293 orbCorr._xr[2] = _clkOrb.Sat[ii].Orbit.DeltaCrossTrack;
294 orbCorr._dotXr[0] = _clkOrb.Sat[ii].Orbit.DotDeltaRadial;
295 orbCorr._dotXr[1] = _clkOrb.Sat[ii].Orbit.DotDeltaAlongTrack;
296 orbCorr._dotXr[2] = _clkOrb.Sat[ii].Orbit.DotDeltaCrossTrack;
297
298 _orbCorrections[_lastTime].append(orbCorr);
299
300 _IODs[orbCorr._prn] = _clkOrb.Sat[ii].IOD;
301 }
302
303 // Clock Corrections
304 // -----------------
305 if ( _clkOrb.messageType == _ssrCorr->COTYPE_GPSCOMBINED ||
306 _clkOrb.messageType == _ssrCorr->COTYPE_GLONASSCOMBINED ||
307 _clkOrb.messageType == _ssrCorr->COTYPE_GALILEOCOMBINED ||
308 _clkOrb.messageType == _ssrCorr->COTYPE_QZSSCOMBINED ||
309 _clkOrb.messageType == _ssrCorr->COTYPE_SBASCOMBINED ||
310 _clkOrb.messageType == _ssrCorr->COTYPE_BDSCOMBINED ||
311 _clkOrb.messageType == _ssrCorr->COTYPE_GPSCLOCK ||
312 _clkOrb.messageType == _ssrCorr->COTYPE_GLONASSCLOCK ||
313 _clkOrb.messageType == _ssrCorr->COTYPE_GALILEOCLOCK ||
314 _clkOrb.messageType == _ssrCorr->COTYPE_QZSSCLOCK ||
315 _clkOrb.messageType == _ssrCorr->COTYPE_SBASCLOCK ||
316 _clkOrb.messageType == _ssrCorr->COTYPE_BDSCLOCK) {
317
318 t_clkCorr clkCorr;
319 clkCorr._prn.set(sysCh, _clkOrb.Sat[ii].ID, flag);
320 clkCorr._staID = _staID.toStdString();
321 clkCorr._time = _lastTime;
322 clkCorr._updateInt = _clkOrb.UpdateInterval;
323 clkCorr._dClk = _clkOrb.Sat[ii].Clock.DeltaA0 / t_CST::c;
324 clkCorr._dotDClk = _clkOrb.Sat[ii].Clock.DeltaA1 / t_CST::c;
325 clkCorr._dotDotDClk = _clkOrb.Sat[ii].Clock.DeltaA2 / t_CST::c;
326
327 _lastClkCorrections[clkCorr._prn] = clkCorr;
328
329 if (_IODs.contains(clkCorr._prn)) {
330 clkCorr._iod = _IODs[clkCorr._prn];
331 _clkCorrections[_lastTime].append(clkCorr);
332 }
333 }
334
335 // High-Resolution Clocks
336 // ----------------------
337 if ( _clkOrb.messageType == _ssrCorr->COTYPE_GPSHR ||
338 _clkOrb.messageType == _ssrCorr->COTYPE_GLONASSHR ||
339 _clkOrb.messageType == _ssrCorr->COTYPE_GALILEOHR ||
340 _clkOrb.messageType == _ssrCorr->COTYPE_QZSSHR ||
341 _clkOrb.messageType == _ssrCorr->COTYPE_SBASHR ||
342 _clkOrb.messageType == _ssrCorr->COTYPE_BDSHR) {
343 t_prn prn(sysCh, _clkOrb.Sat[ii].ID, flag);
344 if (_lastClkCorrections.contains(prn)) {
345 t_clkCorr clkCorr;
346 clkCorr = _lastClkCorrections[prn];
347 clkCorr._time = _lastTime;
348 clkCorr._updateInt = _clkOrb.UpdateInterval;
349 clkCorr._dClk += _clkOrb.Sat[ii].hrclock / t_CST::c;
350 if (_IODs.contains(clkCorr._prn)) {
351 clkCorr._iod = _IODs[clkCorr._prn];
352 _clkCorrections[_lastTime].push_back(clkCorr);
353 }
354 }
355 }
356 }
357
358 // Code Biases
359 // -----------
360 for (unsigned ii = 0; ii < CLOCKORBIT_NUMGPS
361 + CLOCKORBIT_NUMGLONASS
362 + CLOCKORBIT_NUMGALILEO
363 + CLOCKORBIT_NUMQZSS
364 + CLOCKORBIT_NUMSBAS
365 + _codeBias.NumberOfSat[CLOCKORBIT_SATBDS];
366 ii++) {
367 char sysCh = ' ';
368 if (ii < _codeBias.NumberOfSat[CLOCKORBIT_SATGPS]) {
369 sysCh = 'G';
370 }
371 else if (ii >= CLOCKORBIT_OFFSETGLONASS &&
372 ii < CLOCKORBIT_OFFSETGLONASS + _codeBias.NumberOfSat[CLOCKORBIT_SATGLONASS]) {
373 sysCh = 'R';
374 }
375 else if (ii >= CLOCKORBIT_OFFSETGALILEO &&
376 ii < CLOCKORBIT_OFFSETGALILEO + _codeBias.NumberOfSat[CLOCKORBIT_SATGALILEO]) {
377 sysCh = 'E';
378 }
379 else if (ii >= CLOCKORBIT_OFFSETQZSS &&
380 ii < CLOCKORBIT_OFFSETQZSS + _codeBias.NumberOfSat[CLOCKORBIT_SATQZSS]) {
381 sysCh = 'J';
382 }
383 else if (ii >= CLOCKORBIT_OFFSETSBAS &&
384 ii < CLOCKORBIT_OFFSETSBAS + _codeBias.NumberOfSat[CLOCKORBIT_SATSBAS]) {
385 sysCh = 'S';
386 }
387 else if (ii >= CLOCKORBIT_OFFSETBDS &&
388 ii < CLOCKORBIT_OFFSETBDS + _codeBias.NumberOfSat[CLOCKORBIT_SATBDS]) {
389 sysCh = 'C';
390 }
391 else {
392 continue;
393 }
394 t_satCodeBias satCodeBias;
395 satCodeBias._prn.set(sysCh, _codeBias.Sat[ii].ID);
396 satCodeBias._staID = _staID.toStdString();
397 satCodeBias._time = _lastTime;
398 satCodeBias._updateInt = _codeBias.UpdateInterval;
399 for (unsigned jj = 0; jj < _codeBias.Sat[ii].NumberOfCodeBiases; jj++) {
400 const SsrCorr::CodeBias::BiasSat::CodeBiasEntry& biasEntry = _codeBias.Sat[ii].Biases[jj];
401 t_frqCodeBias frqCodeBias;
402 frqCodeBias._rnxType2ch.assign(_ssrCorr->codeTypeToRnxType(sysCh, biasEntry.Type));
403 frqCodeBias._value = biasEntry.Bias;
404 if (!frqCodeBias._rnxType2ch.empty()) {
405 satCodeBias._bias.push_back(frqCodeBias);
406 }
407 }
408 _codeBiases[_lastTime].append(satCodeBias);
409 }
410
411 // Phase Biases
412 // -----------
413 for (unsigned ii = 0; ii < CLOCKORBIT_NUMGPS
414 + CLOCKORBIT_NUMGLONASS
415 + CLOCKORBIT_NUMGALILEO
416 + CLOCKORBIT_NUMQZSS
417 + CLOCKORBIT_NUMSBAS
418 + _phaseBias.NumberOfSat[CLOCKORBIT_SATBDS];
419 ii++) {
420 char sysCh = ' ';
421 if (ii < _phaseBias.NumberOfSat[CLOCKORBIT_SATGPS]) {
422 sysCh = 'G';
423 }
424 else if (ii >= CLOCKORBIT_OFFSETGLONASS &&
425 ii < CLOCKORBIT_OFFSETGLONASS + _phaseBias.NumberOfSat[CLOCKORBIT_SATGLONASS]) {
426 sysCh = 'R';
427 }
428 else if (ii >= CLOCKORBIT_OFFSETGALILEO &&
429 ii < CLOCKORBIT_OFFSETGALILEO + _phaseBias.NumberOfSat[CLOCKORBIT_SATGALILEO]) {
430 sysCh = 'E';
431 }
432 else if (ii >= CLOCKORBIT_OFFSETQZSS &&
433 ii < CLOCKORBIT_OFFSETQZSS + _phaseBias.NumberOfSat[CLOCKORBIT_SATQZSS]) {
434 sysCh = 'J';
435 }
436 else if (ii >= CLOCKORBIT_OFFSETSBAS &&
437 ii < CLOCKORBIT_OFFSETSBAS + _phaseBias.NumberOfSat[CLOCKORBIT_SATSBAS]) {
438 sysCh = 'S';
439 }
440 else if (ii >= CLOCKORBIT_OFFSETBDS &&
441 ii < CLOCKORBIT_OFFSETBDS + _phaseBias.NumberOfSat[CLOCKORBIT_SATBDS]) {
442 sysCh = 'C';
443 }
444 else {
445 continue;
446 }
447 t_satPhaseBias satPhaseBias;
448 satPhaseBias._prn.set(sysCh, _phaseBias.Sat[ii].ID);
449 satPhaseBias._staID = _staID.toStdString();
450 satPhaseBias._time = _lastTime;
451 satPhaseBias._updateInt = _phaseBias.UpdateInterval;
452 satPhaseBias._dispBiasConstistInd = _phaseBias.DispersiveBiasConsistencyIndicator;
453 satPhaseBias._MWConsistInd = _phaseBias.MWConsistencyIndicator;
454 satPhaseBias._yaw = _phaseBias.Sat[ii].YawAngle;
455 satPhaseBias._yawRate = _phaseBias.Sat[ii].YawRate;
456 for (unsigned jj = 0; jj < _phaseBias.Sat[ii].NumberOfPhaseBiases; jj++) {
457 const SsrCorr::PhaseBias::PhaseBiasSat::PhaseBiasEntry& biasEntry = _phaseBias.Sat[ii].Biases[jj];
458 t_frqPhaseBias frqPhaseBias;
459 frqPhaseBias._rnxType2ch.assign(_ssrCorr->codeTypeToRnxType(sysCh, biasEntry.Type));
460 frqPhaseBias._value = biasEntry.Bias;
461 frqPhaseBias._fixIndicator = biasEntry.SignalIntegerIndicator;
462 frqPhaseBias._fixWideLaneIndicator = biasEntry.SignalsWideLaneIntegerIndicator;
463 frqPhaseBias._jumpCounter = biasEntry.SignalDiscontinuityCounter;
464 if (!frqPhaseBias._rnxType2ch.empty()) {
465 satPhaseBias._bias.push_back(frqPhaseBias);
466 }
467 }
468 _phaseBiases[_lastTime].append(satPhaseBias);
469 }
470
471 // Ionospheric Model
472 // -----------------
473 if (_vTEC.NumLayers > 0) {
474 _vTecMap[_lastTime]._time = _lastTime;
475 _vTecMap[_lastTime]._updateInt = _vTEC.UpdateInterval;
476 _vTecMap[_lastTime]._staID = _staID.toStdString();
477 for (unsigned ii = 0; ii < _vTEC.NumLayers; ii++) {
478 const SsrCorr::VTEC::IonoLayers& ionoLayer = _vTEC.Layers[ii];
479 t_vTecLayer layer;
480 layer._height = ionoLayer.Height;
481 layer._C.ReSize(ionoLayer.Degree+1, ionoLayer.Order+1);
482 layer._S.ReSize(ionoLayer.Degree+1, ionoLayer.Order+1);
483 for (unsigned iDeg = 0; iDeg <= ionoLayer.Degree; iDeg++) {
484 for (unsigned iOrd = 0; iOrd <= ionoLayer.Order; iOrd++) {
485 layer._C[iDeg][iOrd] = ionoLayer.Cosinus[iDeg][iOrd];
486 layer._S[iDeg][iOrd] = ionoLayer.Sinus[iDeg][iOrd];
487 }
488 }
489 _vTecMap[_lastTime]._layers.push_back(layer);
490 }
491 }
492
493 // Dump all older epochs
494 // ---------------------
495 QMutableMapIterator<bncTime, QList<t_orbCorr> > itOrb(_orbCorrections);
496 while (itOrb.hasNext()) {
497 itOrb.next();
498 if (itOrb.key() < _lastTime) {
499 emit newOrbCorrections(itOrb.value());
500 t_orbCorr::writeEpoch(_out, itOrb.value());
501 itOrb.remove();
502 }
503 }
504 QMutableMapIterator<bncTime, QList<t_clkCorr> > itClk(_clkCorrections);
505 while (itClk.hasNext()) {
506 itClk.next();
507 if (itClk.key() < _lastTime) {
508 emit newClkCorrections(itClk.value());
509 t_clkCorr::writeEpoch(_out, itClk.value());
510 itClk.remove();
511 }
512 }
513 QMutableMapIterator<bncTime, QList<t_satCodeBias> > itCB(_codeBiases);
514 while (itCB.hasNext()) {
515 itCB.next();
516 if (itCB.key() < _lastTime) {
517 emit newCodeBiases(itCB.value());
518 t_satCodeBias::writeEpoch(_out, itCB.value());
519 itCB.remove();
520 }
521 }
522 QMutableMapIterator<bncTime, QList<t_satPhaseBias> > itPB(_phaseBiases);
523 while (itPB.hasNext()) {
524 itPB.next();
525 if (itPB.key() < _lastTime) {
526 emit newPhaseBiases(itPB.value());
527 t_satPhaseBias::writeEpoch(_out, itPB.value());
528 itPB.remove();
529 }
530 }
531 QMutableMapIterator<bncTime, t_vTec> itTec(_vTecMap);
532 while (itTec.hasNext()) {
533 itTec.next();
534 if (itTec.key() < _lastTime) {
535 emit newTec(itTec.value());
536 t_vTec::write(_out, itTec.value());
537 itTec.remove();
538 }
539 }
540}
541
542//
543////////////////////////////////////////////////////////////////////////////
544void RTCM3coDecoder::checkProviderID() {
545
546 if (_clkOrb.SSRProviderID == 0 && _clkOrb.SSRSolutionID == 0 && _clkOrb.SSRIOD == 0) {
547 return;
548 }
549
550 int newProviderID[3];
551 newProviderID[0] = _clkOrb.SSRProviderID;
552 newProviderID[1] = _clkOrb.SSRSolutionID;
553 newProviderID[2] = _clkOrb.SSRIOD;
554
555 bool alreadySet = false;
556 bool different = false;
557
558 for (unsigned ii = 0; ii < 3; ii++) {
559 if (_providerID[ii] != -1) {
560 alreadySet = true;
561 }
562 if (_providerID[ii] != newProviderID[ii]) {
563 different = true;
564 }
565 _providerID[ii] = newProviderID[ii];
566 }
567
568 if (alreadySet && different) {
569 emit newMessage("RTCM3coDecoder: Provider Changed: " + _staID.toLatin1(), true);
570 emit providerIDChanged(_staID);
571 }
572}
573
574//
575////////////////////////////////////////////////////////////////////////////
576void RTCM3coDecoder::setEpochTime() {
577
578 _lastTime.reset();
579
580 double epoSecGPS = -1.0;
581 double epoSecGlo = -1.0;
582 double epoSecGal = -1.0;
583 double epoSecQzss = -1.0;
584 double epoSecSbas = -1.0;
585 double epoSecBds = -1.0;
586 if (_clkOrb.NumberOfSat[CLOCKORBIT_SATGPS] > 0) {
587 epoSecGPS = _clkOrb.EpochTime[CLOCKORBIT_SATGPS]; // 0 .. 604799 s
588 }
589 else if (_codeBias.NumberOfSat[CLOCKORBIT_SATGPS] > 0) {
590 epoSecGPS = _codeBias.EpochTime[CLOCKORBIT_SATGPS]; // 0 .. 604799 s
591 }
592 else if (_phaseBias.NumberOfSat[CLOCKORBIT_SATGPS] > 0) {
593 epoSecGPS = _phaseBias.EpochTime[CLOCKORBIT_SATGPS]; // 0 .. 604799 s
594 }
595 else if (_vTEC.NumLayers > 0) {
596 epoSecGPS = _vTEC.EpochTime; // 0 .. 604799 s
597 }
598 else if (_clkOrb.NumberOfSat[CLOCKORBIT_SATGLONASS] > 0) {
599 epoSecGlo = _clkOrb.EpochTime[CLOCKORBIT_SATGLONASS]; // 0 .. 86399 s
600 }
601 else if (_codeBias.NumberOfSat[CLOCKORBIT_SATGLONASS] > 0) {
602 epoSecGlo = _codeBias.EpochTime[CLOCKORBIT_SATGLONASS]; // 0 .. 86399 s
603 }
604 else if (_phaseBias.NumberOfSat[CLOCKORBIT_SATGLONASS] > 0) {
605 epoSecGlo = _phaseBias.EpochTime[CLOCKORBIT_SATGLONASS]; // 0 .. 86399 s
606 }
607 else if (_clkOrb.NumberOfSat[CLOCKORBIT_SATGALILEO] > 0) {
608 epoSecGal = _clkOrb.EpochTime[CLOCKORBIT_SATGALILEO];
609 }
610 else if (_codeBias.NumberOfSat[CLOCKORBIT_SATGALILEO] > 0) {
611 epoSecGal = _codeBias.EpochTime[CLOCKORBIT_SATGALILEO];
612 }
613 else if (_phaseBias.NumberOfSat[CLOCKORBIT_SATGALILEO] > 0) {
614 epoSecGal = _phaseBias.EpochTime[CLOCKORBIT_SATGALILEO];
615 }
616 else if (_clkOrb.NumberOfSat[CLOCKORBIT_SATQZSS] > 0) {
617 epoSecQzss = _clkOrb.EpochTime[CLOCKORBIT_SATQZSS];
618 }
619 else if (_codeBias.NumberOfSat[CLOCKORBIT_SATQZSS] > 0) {
620 epoSecQzss = _codeBias.EpochTime[CLOCKORBIT_SATQZSS];
621 }
622 else if (_phaseBias.NumberOfSat[CLOCKORBIT_SATQZSS] > 0) {
623 epoSecQzss = _phaseBias.EpochTime[CLOCKORBIT_SATQZSS];
624 }
625 else if (_clkOrb.NumberOfSat[CLOCKORBIT_SATSBAS] > 0) {
626 epoSecSbas = _clkOrb.EpochTime[CLOCKORBIT_SATSBAS];
627 }
628 else if (_codeBias.NumberOfSat[CLOCKORBIT_SATSBAS] > 0) {
629 epoSecSbas = _codeBias.EpochTime[CLOCKORBIT_SATSBAS];
630 }
631 else if (_phaseBias.NumberOfSat[CLOCKORBIT_SATSBAS] > 0) {
632 epoSecSbas = _phaseBias.EpochTime[CLOCKORBIT_SATSBAS];
633 }
634 else if (_clkOrb.NumberOfSat[CLOCKORBIT_SATBDS] > 0) {
635 epoSecBds = _clkOrb.EpochTime[CLOCKORBIT_SATBDS];
636 }
637 else if (_codeBias.NumberOfSat[CLOCKORBIT_SATBDS] > 0) {
638 epoSecBds = _codeBias.EpochTime[CLOCKORBIT_SATBDS];
639 }
640 else if (_phaseBias.NumberOfSat[CLOCKORBIT_SATBDS] > 0) {
641 epoSecBds = _phaseBias.EpochTime[CLOCKORBIT_SATBDS];
642 }
643
644 // Retrieve current time
645 // ---------------------
646 int currentWeek = 0;
647 double currentSec = 0.0;
648 currentGPSWeeks(currentWeek, currentSec);
649 bncTime currentTime(currentWeek, currentSec);
650
651 // Set _lastTime close to currentTime
652 // ----------------------------------
653 if (epoSecGPS != -1) {
654 _lastTime.set(currentWeek, epoSecGPS);
655 }
656 else if (epoSecGlo != -1) {
657 if (_type == RTCMssr) {
658 QDate date = dateAndTimeFromGPSweek(currentTime.gpsw(), currentTime.gpssec()).date();
659 epoSecGlo = epoSecGlo - 3 * 3600 + gnumleap(date.year(), date.month(), date.day());
660 }
661 _lastTime.set(currentWeek, epoSecGlo);
662 }
663 else if (epoSecGal != -1) {
664 _lastTime.set(currentWeek, epoSecGal);
665 }
666 else if (epoSecQzss != -1) {
667 _lastTime.set(currentWeek, epoSecQzss);
668 }
669 else if (epoSecSbas != -1) {
670 _lastTime.set(currentWeek, epoSecSbas);
671 }
672 else if (epoSecBds != -1) {
673 if (_type == RTCMssr) {
674 epoSecBds += 14.0;
675 if (epoSecBds > 604800.0) {
676 epoSecBds -= 7.0*24.0*60.0*60.0;
677 }
678 }
679 _lastTime.set(currentWeek, epoSecBds);
680 }
681
682 if (_lastTime.valid()) {
683 double maxDiff = 12 * 3600.0;
684 while (_lastTime < currentTime - maxDiff) {
685 _lastTime = _lastTime + maxDiff;
686 }
687 while (_lastTime > currentTime + maxDiff) {
688 _lastTime = _lastTime - maxDiff;
689 }
690 }
691}
Note: See TracBrowser for help on using the repository browser.