source: ntrip/trunk/BNC/RTCM3/clock_orbit_rtcm.c@ 1747

Last change on this file since 1747 was 1664, checked in by weber, 16 years ago

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  • Property svn:executable set to *
File size: 39.1 KB
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1/* Programheader
2
3 Name: clock_orbit_rtcm.c
4 Project: RTCM3
5 Version: $Id: clock_orbit_rtcm.c,v 1.3 2009/02/12 11:56:16 stoecker Exp $
6 Authors: Dirk Stöcker
7 Description: state space approach for RTCM3
8*/
9
10#include <stdio.h>
11#include <string.h>
12#include <stdint.h>
13#include "clock_orbit_rtcm.h"
14
15static uint32_t CRC24(long size, const unsigned char *buf)
16{
17 uint32_t crc = 0;
18 int i;
19
20 while(size--)
21 {
22 crc ^= (*buf++) << (16);
23 for(i = 0; i < 8; i++)
24 {
25 crc <<= 1;
26 if(crc & 0x1000000)
27 crc ^= 0x01864cfb;
28 }
29 }
30 return crc;
31}
32
33/* NOTE: These defines are interlinked with below functions and directly modify
34the values. This may not be optimized in terms of final program code size but
35should be optimized in terms of speed.
36
37modified variables are:
38- everything defined in STARTDATA (only use ressize outside of the defines,
39 others are private)
40- buffer
41- size
42*/
43
44#ifndef NOENCODE
45#define STOREBITS \
46 while(numbits >= 8) \
47 { \
48 if(!size) return 0; \
49 *(buffer++) = bitbuffer>>(numbits-8); \
50 numbits -= 8; \
51 ++ressize; \
52 --size; \
53 }
54
55#define ADDBITS(a, b) \
56 { \
57 bitbuffer = (bitbuffer<<(a))|((b)&((1<<a)-1)); \
58 numbits += (a); \
59 STOREBITS \
60 }
61
62#define STARTDATA \
63 size_t ressize=0; \
64 char *blockstart; \
65 int numbits; \
66 uint64_t bitbuffer=0;
67
68#define INITBLOCK \
69 numbits = 0; \
70 blockstart = buffer; \
71 ADDBITS(8, 0xD3) \
72 ADDBITS(6, 0) \
73 ADDBITS(10, 0)
74
75#define ENDBLOCK \
76 if(numbits) { ADDBITS((8-numbits), 0) } \
77 { \
78 int len = buffer-blockstart-3; \
79 blockstart[1] |= len>>8; \
80 blockstart[2] = len; \
81 len = CRC24(len+3, (const unsigned char *) blockstart); \
82 ADDBITS(24, len) \
83 }
84
85#define SCALEADDBITS(a, b, c) ADDBITS(a, (int64_t)(b*c))
86
87/* standard values */
88#define T_MESSAGE_NUMBER(a) ADDBITS(12, a) /* DF002 */
89#define T_RESERVED5 ADDBITS(5, 0) /* DF001 */
90#define T_GPS_SATELLITE_ID(a) ADDBITS(6, a) /* DF068 */
91#define T_GPS_IODE(a) ADDBITS(8, a) /* DF071 */
92#define T_GLONASS_IOD(a) ADDBITS(8, a) /* DF237 */
93
94/* defined values */
95#define T_DELTA_RADIAL(a) SCALEADDBITS(22, 10000.0, a)
96#define T_DELTA_ALONG_TRACK(a) SCALEADDBITS(22, 10000.0, a)
97#define T_DELTA_CROSS_TRACK(a) SCALEADDBITS(22, 10000.0, a)
98#define T_DELTA_DOT_RADIAL(a) SCALEADDBITS(21, 1000000.0, a)
99#define T_DELTA_DOT_ALONG_TRACK(a) SCALEADDBITS(21, 1000000.0, a)
100#define T_DELTA_DOT_CROSS_TRACK(a) SCALEADDBITS(21, 1000000.0, a)
101#define T_DELTA_DOT_DOT_RADIAL(a) SCALEADDBITS(27, 50000000.0, a)
102#define T_DELTA_DOT_DOT_ALONG_TRACK(a) SCALEADDBITS(27, 50000000.0, a)
103#define T_DELTA_DOT_DOT_CROSS_TRACK(a) SCALEADDBITS(27, 50000000.0, a)
104#define T_SATELLITE_REFERENCE_POINT(a) ADDBITS(1, a)
105
106#define T_SATELLITE_REFERENCE_DATUM(a) ADDBITS(1, a)
107#define T_DELTA_CLOCK_C0(a) SCALEADDBITS(22, 10000.0, a)
108#define T_DELTA_CLOCK_C1(a) SCALEADDBITS(21, 1000000.0, a)
109#define T_DELTA_CLOCK_C2(a) SCALEADDBITS(27, 50000000.0, a)
110#define T_NO_OF_CODE_BIASES(a) ADDBITS(5, a)
111#define T_GPS_SIGNAL_IDENTIFIER(a) ADDBITS(5, a)
112#define T_GLONASS_SIGNAL_IDENTIFIER(a) ADDBITS(5, a)
113#define T_GALILEO_SIGNAL_IDENTIFIER(a) ADDBITS(5, a)
114#define T_CODE_BIAS(a) SCALEADDBITS(14, 100.0, a)
115#define T_GLONASS_SATELLITE_ID(a) ADDBITS(5, a)
116
117#define T_GPS_EPOCH_TIME(a) ADDBITS(20, a)
118#define T_GLONASS_EPOCH_TIME(a) ADDBITS(17, a)
119#define T_NO_OF_SATELLITES(a) ADDBITS(6, a)
120#define T_MULTIPLE_MESSAGE_INDICATOR(a) ADDBITS(1, a)
121#define T_SSR_URA(a) ADDBITS(4, a)
122#define T_HR_CLOCK_CORRECTION(a) SCALEADDBITS(22, 10000.0, a)
123#define T_SSR_UPDATE_INTERVAL(a) ADDBITS(4, a)
124
125size_t MakeClockOrbit(const struct ClockOrbit *co, enum ClockOrbitType type,
126int moremessagesfollow, char *buffer, size_t size)
127{
128 int gpshr=0, gpsur=0, gpsor=0, gpscl=0, gpsco=0, glohr=0, glour=0, gloor=0,
129 glocl=0, gloco=0, mmi, i;
130 STARTDATA
131
132 if(co->NumberOfGPSSat && co->HRDataSupplied
133 && (type == COTYPE_AUTO || type == COTYPE_GPSHR))
134 gpshr = 1;
135 if(co->NumberOfGPSSat && co->URADataSupplied
136 && (type == COTYPE_AUTO || type == COTYPE_GPSURA))
137 gpsur = 1;
138 if(co->NumberOfGPSSat && co->OrbitDataSupplied
139 && (type == COTYPE_AUTO || type == COTYPE_GPSORBIT))
140 gpsor = 1;
141 if(co->NumberOfGPSSat && co->ClockDataSupplied
142 && (type == COTYPE_AUTO || type == COTYPE_GPSCLOCK))
143 gpscl = 1;
144 if(co->NumberOfGPSSat && co->ClockDataSupplied && co->OrbitDataSupplied
145 && (type == COTYPE_AUTO || type == COTYPE_GPSCOMBINED))
146 {
147 gpsco = 1; gpsor = 0; gpscl = 0;
148 }
149 if(co->NumberOfGLONASSSat && co->HRDataSupplied
150 && (type == COTYPE_AUTO || type == COTYPE_GLONASSHR))
151 glohr = 1;
152 if(co->NumberOfGLONASSSat && co->URADataSupplied
153 && (type == COTYPE_AUTO || type == COTYPE_GLONASSURA))
154 glour = 1;
155 if(co->NumberOfGLONASSSat && co->OrbitDataSupplied
156 && (type == COTYPE_AUTO || type == COTYPE_GLONASSORBIT))
157 gloor = 1;
158 if(co->NumberOfGLONASSSat && co->ClockDataSupplied
159 && (type == COTYPE_AUTO || type == COTYPE_GLONASSCLOCK))
160 glocl = 1;
161 if(co->NumberOfGLONASSSat && co->ClockDataSupplied && co->OrbitDataSupplied
162 && (type == COTYPE_AUTO || type == COTYPE_GLONASSCOMBINED))
163 {
164 gloco = 1; gloor = 0; glocl = 0;
165 }
166
167 mmi = gpshr+gpsur+gpsor+gpscl+gpsco+glohr+glour+gloor+glocl+gloco; /* required for multimessage */
168 if(!moremessagesfollow) --mmi;
169
170 if(gpsor)
171 {
172 INITBLOCK
173 T_MESSAGE_NUMBER(COTYPE_GPSORBIT)
174 T_GPS_EPOCH_TIME(co->GPSEpochTime)
175 T_SSR_UPDATE_INTERVAL(co->UpdateInterval)
176 T_MULTIPLE_MESSAGE_INDICATOR(mmi ? 1 :0)
177 --mmi;
178 T_RESERVED5
179 T_NO_OF_SATELLITES(co->NumberOfGPSSat)
180 for(i = 0; i < co->NumberOfGPSSat; ++i)
181 {
182 T_GPS_SATELLITE_ID(co->Sat[i].ID)
183 T_GPS_IODE(co->Sat[i].IOD)
184 T_DELTA_RADIAL(co->Sat[i].Orbit.DeltaRadial)
185 T_DELTA_ALONG_TRACK(co->Sat[i].Orbit.DeltaAlongTrack)
186 T_DELTA_CROSS_TRACK(co->Sat[i].Orbit.DeltaCrossTrack)
187 T_DELTA_DOT_RADIAL(co->Sat[i].Orbit.DotDeltaRadial)
188 T_DELTA_DOT_ALONG_TRACK(co->Sat[i].Orbit.DotDeltaAlongTrack)
189 T_DELTA_DOT_CROSS_TRACK(co->Sat[i].Orbit.DotDeltaCrossTrack)
190 T_DELTA_DOT_DOT_RADIAL(co->Sat[i].Orbit.DotDotDeltaRadial)
191 T_DELTA_DOT_DOT_ALONG_TRACK(co->Sat[i].Orbit.DotDotDeltaAlongTrack)
192 T_DELTA_DOT_DOT_CROSS_TRACK(co->Sat[i].Orbit.DotDotDeltaCrossTrack)
193 T_SATELLITE_REFERENCE_POINT(co->SatRefPoint)
194 T_SATELLITE_REFERENCE_DATUM(co->SatRefDatum)
195 }
196 ENDBLOCK
197 }
198 if(gpscl)
199 {
200 INITBLOCK
201 T_MESSAGE_NUMBER(COTYPE_GPSCLOCK)
202 T_GPS_EPOCH_TIME(co->GPSEpochTime)
203 T_SSR_UPDATE_INTERVAL(co->UpdateInterval)
204 T_MULTIPLE_MESSAGE_INDICATOR(mmi ? 1 :0)
205 --mmi;
206 T_RESERVED5
207 T_NO_OF_SATELLITES(co->NumberOfGPSSat)
208 for(i = 0; i < co->NumberOfGPSSat; ++i)
209 {
210 T_GPS_SATELLITE_ID(co->Sat[i].ID)
211 T_DELTA_CLOCK_C0(co->Sat[i].Clock.DeltaA0)
212 T_DELTA_CLOCK_C1(co->Sat[i].Clock.DeltaA1)
213 T_DELTA_CLOCK_C2(co->Sat[i].Clock.DeltaA2)
214 }
215 ENDBLOCK
216 }
217 if(gpsco)
218 {
219 INITBLOCK
220 T_MESSAGE_NUMBER(COTYPE_GPSCOMBINED)
221 T_GPS_EPOCH_TIME(co->GPSEpochTime)
222 T_SSR_UPDATE_INTERVAL(co->UpdateInterval)
223 T_MULTIPLE_MESSAGE_INDICATOR(mmi ? 1 :0)
224 --mmi;
225 T_RESERVED5
226 T_NO_OF_SATELLITES(co->NumberOfGPSSat)
227 for(i = 0; i < co->NumberOfGPSSat; ++i)
228 {
229 T_GPS_SATELLITE_ID(co->Sat[i].ID)
230 T_GPS_IODE(co->Sat[i].IOD)
231 T_DELTA_RADIAL(co->Sat[i].Orbit.DeltaRadial)
232 T_DELTA_ALONG_TRACK(co->Sat[i].Orbit.DeltaAlongTrack)
233 T_DELTA_CROSS_TRACK(co->Sat[i].Orbit.DeltaCrossTrack)
234 T_DELTA_DOT_RADIAL(co->Sat[i].Orbit.DotDeltaRadial)
235 T_DELTA_DOT_ALONG_TRACK(co->Sat[i].Orbit.DotDeltaAlongTrack)
236 T_DELTA_DOT_CROSS_TRACK(co->Sat[i].Orbit.DotDeltaCrossTrack)
237 T_DELTA_DOT_DOT_RADIAL(co->Sat[i].Orbit.DotDotDeltaRadial)
238 T_DELTA_DOT_DOT_ALONG_TRACK(co->Sat[i].Orbit.DotDotDeltaAlongTrack)
239 T_DELTA_DOT_DOT_CROSS_TRACK(co->Sat[i].Orbit.DotDotDeltaCrossTrack)
240 T_SATELLITE_REFERENCE_POINT(co->SatRefPoint)
241 T_SATELLITE_REFERENCE_DATUM(co->SatRefDatum)
242 T_DELTA_CLOCK_C0(co->Sat[i].Clock.DeltaA0)
243 T_DELTA_CLOCK_C1(co->Sat[i].Clock.DeltaA1)
244 T_DELTA_CLOCK_C2(co->Sat[i].Clock.DeltaA2)
245 }
246 ENDBLOCK
247 }
248 if(gpshr)
249 {
250 INITBLOCK
251 T_MESSAGE_NUMBER(COTYPE_GPSHR)
252 T_GPS_EPOCH_TIME(co->GPSEpochTime)
253 T_SSR_UPDATE_INTERVAL(co->UpdateInterval)
254 T_MULTIPLE_MESSAGE_INDICATOR(mmi ? 1 :0)
255 --mmi;
256 T_RESERVED5
257 T_NO_OF_SATELLITES(co->NumberOfGPSSat)
258 for(i = 0; i < co->NumberOfGPSSat; ++i)
259 {
260 T_GPS_SATELLITE_ID(co->Sat[i].ID)
261 T_HR_CLOCK_CORRECTION(co->Sat[i].hrclock)
262 }
263 ENDBLOCK
264 }
265 if(gpsur)
266 {
267 INITBLOCK
268 T_MESSAGE_NUMBER(COTYPE_GPSURA)
269 T_GPS_EPOCH_TIME(co->GPSEpochTime)
270 T_MULTIPLE_MESSAGE_INDICATOR(mmi ? 1 :0)
271 --mmi;
272 T_RESERVED5
273 T_NO_OF_SATELLITES(co->NumberOfGPSSat)
274 for(i = 0; i < co->NumberOfGPSSat; ++i)
275 {
276 T_GPS_SATELLITE_ID(co->Sat[i].ID)
277 T_SSR_URA(co->Sat[i].URA)
278 }
279 ENDBLOCK
280 }
281 if(gloor)
282 {
283 INITBLOCK
284 T_MESSAGE_NUMBER(COTYPE_GLONASSORBIT)
285 T_GLONASS_EPOCH_TIME(co->GLONASSEpochTime)
286 T_SSR_UPDATE_INTERVAL(co->UpdateInterval)
287 T_MULTIPLE_MESSAGE_INDICATOR(mmi ? 1 :0)
288 --mmi;
289 T_RESERVED5
290 T_NO_OF_SATELLITES(co->NumberOfGLONASSSat)
291 for(i = CLOCKORBIT_NUMGPS;
292 i < CLOCKORBIT_NUMGPS+co->NumberOfGLONASSSat; ++i)
293 {
294 T_GLONASS_SATELLITE_ID(co->Sat[i].ID)
295 T_GLONASS_IOD(co->Sat[i].IOD)
296 T_DELTA_RADIAL(co->Sat[i].Orbit.DeltaRadial)
297 T_DELTA_ALONG_TRACK(co->Sat[i].Orbit.DeltaAlongTrack)
298 T_DELTA_CROSS_TRACK(co->Sat[i].Orbit.DeltaCrossTrack)
299 T_DELTA_DOT_RADIAL(co->Sat[i].Orbit.DotDeltaRadial)
300 T_DELTA_DOT_ALONG_TRACK(co->Sat[i].Orbit.DotDeltaAlongTrack)
301 T_DELTA_DOT_CROSS_TRACK(co->Sat[i].Orbit.DotDeltaCrossTrack)
302 T_DELTA_DOT_DOT_RADIAL(co->Sat[i].Orbit.DotDotDeltaRadial)
303 T_DELTA_DOT_DOT_ALONG_TRACK(co->Sat[i].Orbit.DotDotDeltaAlongTrack)
304 T_DELTA_DOT_DOT_CROSS_TRACK(co->Sat[i].Orbit.DotDotDeltaCrossTrack)
305 T_SATELLITE_REFERENCE_POINT(co->SatRefPoint)
306 T_SATELLITE_REFERENCE_DATUM(co->SatRefDatum)
307 }
308 ENDBLOCK
309 }
310 if(glocl)
311 {
312 INITBLOCK
313 T_MESSAGE_NUMBER(COTYPE_GLONASSCLOCK)
314 T_GLONASS_EPOCH_TIME(co->GLONASSEpochTime)
315 T_SSR_UPDATE_INTERVAL(co->UpdateInterval)
316 T_MULTIPLE_MESSAGE_INDICATOR(mmi ? 1 :0)
317 --mmi;
318 T_RESERVED5
319 T_NO_OF_SATELLITES(co->NumberOfGLONASSSat)
320 for(i = CLOCKORBIT_NUMGPS;
321 i < CLOCKORBIT_NUMGPS+co->NumberOfGLONASSSat; ++i)
322 {
323 T_GLONASS_SATELLITE_ID(co->Sat[i].ID)
324 T_GLONASS_IOD(co->Sat[i].IOD)
325 T_DELTA_CLOCK_C0(co->Sat[i].Clock.DeltaA0)
326 T_DELTA_CLOCK_C1(co->Sat[i].Clock.DeltaA1)
327 T_DELTA_CLOCK_C2(co->Sat[i].Clock.DeltaA2)
328 }
329 ENDBLOCK
330 }
331 if(gloco)
332 {
333 INITBLOCK
334 T_MESSAGE_NUMBER(COTYPE_GLONASSCOMBINED)
335 T_GLONASS_EPOCH_TIME(co->GLONASSEpochTime)
336 T_SSR_UPDATE_INTERVAL(co->UpdateInterval)
337 T_MULTIPLE_MESSAGE_INDICATOR(mmi ? 1 :0)
338 --mmi;
339 T_RESERVED5
340 T_NO_OF_SATELLITES(co->NumberOfGLONASSSat)
341 for(i = CLOCKORBIT_NUMGPS;
342 i < CLOCKORBIT_NUMGPS+co->NumberOfGLONASSSat; ++i)
343 {
344 T_GLONASS_SATELLITE_ID(co->Sat[i].ID)
345 T_GLONASS_IOD(co->Sat[i].IOD)
346 T_DELTA_RADIAL(co->Sat[i].Orbit.DeltaRadial)
347 T_DELTA_ALONG_TRACK(co->Sat[i].Orbit.DeltaAlongTrack)
348 T_DELTA_CROSS_TRACK(co->Sat[i].Orbit.DeltaCrossTrack)
349 T_DELTA_DOT_RADIAL(co->Sat[i].Orbit.DotDeltaRadial)
350 T_DELTA_DOT_ALONG_TRACK(co->Sat[i].Orbit.DotDeltaAlongTrack)
351 T_DELTA_DOT_CROSS_TRACK(co->Sat[i].Orbit.DotDeltaCrossTrack)
352 T_DELTA_DOT_DOT_RADIAL(co->Sat[i].Orbit.DotDotDeltaRadial)
353 T_DELTA_DOT_DOT_ALONG_TRACK(co->Sat[i].Orbit.DotDotDeltaAlongTrack)
354 T_DELTA_DOT_DOT_CROSS_TRACK(co->Sat[i].Orbit.DotDotDeltaCrossTrack)
355 T_SATELLITE_REFERENCE_POINT(co->SatRefPoint)
356 T_SATELLITE_REFERENCE_DATUM(co->SatRefDatum)
357 T_DELTA_CLOCK_C0(co->Sat[i].Clock.DeltaA0)
358 T_DELTA_CLOCK_C1(co->Sat[i].Clock.DeltaA1)
359 T_DELTA_CLOCK_C2(co->Sat[i].Clock.DeltaA2)
360 }
361 ENDBLOCK
362 }
363 if(glohr)
364 {
365 INITBLOCK
366 T_MESSAGE_NUMBER(COTYPE_GLONASSHR)
367 T_GLONASS_EPOCH_TIME(co->GLONASSEpochTime)
368 T_SSR_UPDATE_INTERVAL(co->UpdateInterval)
369 T_MULTIPLE_MESSAGE_INDICATOR(mmi ? 1 :0)
370 --mmi;
371 T_RESERVED5
372 T_NO_OF_SATELLITES(co->NumberOfGLONASSSat)
373 for(i = CLOCKORBIT_NUMGPS;
374 i < CLOCKORBIT_NUMGPS+co->NumberOfGLONASSSat; ++i)
375 {
376 T_GPS_SATELLITE_ID(co->Sat[i].ID)
377 T_HR_CLOCK_CORRECTION(co->Sat[i].hrclock)
378 }
379 ENDBLOCK
380 }
381 if(glour)
382 {
383 INITBLOCK
384 T_MESSAGE_NUMBER(COTYPE_GLONASSURA)
385 T_GLONASS_EPOCH_TIME(co->GLONASSEpochTime)
386 T_MULTIPLE_MESSAGE_INDICATOR(mmi ? 1 :0)
387 --mmi;
388 T_RESERVED5
389 T_NO_OF_SATELLITES(co->NumberOfGLONASSSat)
390 for(i = CLOCKORBIT_NUMGPS;
391 i < CLOCKORBIT_NUMGPS+co->NumberOfGLONASSSat; ++i)
392 {
393 T_GPS_SATELLITE_ID(co->Sat[i].ID)
394 T_SSR_URA(co->Sat[i].URA)
395 }
396 ENDBLOCK
397 }
398
399 return ressize;
400}
401
402size_t MakeBias(const struct Bias *b, enum BiasType type,
403int moremessagesfollow, char *buffer, size_t size)
404{
405 int gps, glo, mmi, i, j;
406 STARTDATA
407
408 if(b->NumberOfGPSSat && (type == BTYPE_AUTO || type == BTYPE_GPS))
409 gps = 1;
410 if(b->NumberOfGLONASSSat && (type == BTYPE_AUTO || type == BTYPE_GLONASS))
411 glo = 1;
412
413 mmi = gps+glo; /* required for multimessage */
414 if(!moremessagesfollow) --mmi;
415
416 if(gps)
417 {
418 INITBLOCK
419 T_MESSAGE_NUMBER(BTYPE_GPS)
420 T_GPS_EPOCH_TIME(b->GPSEpochTime)
421 T_SSR_UPDATE_INTERVAL(b->UpdateInterval)
422 T_MULTIPLE_MESSAGE_INDICATOR(mmi ? 1 :0)
423 --mmi;
424 T_RESERVED5
425 T_NO_OF_SATELLITES(b->NumberOfGPSSat)
426 for(i = 0; i < b->NumberOfGPSSat; ++i)
427 {
428 T_GPS_SATELLITE_ID(b->Sat[i].ID)
429 T_NO_OF_CODE_BIASES(b->Sat[i].NumberOfCodeBiases)
430 for(j = 0; j < b->Sat[i].NumberOfCodeBiases; ++j)
431 {
432 T_GPS_SIGNAL_IDENTIFIER(b->Sat[i].Biases[j].Type)
433 T_CODE_BIAS(b->Sat[i].Biases[j].Bias)
434 }
435 }
436 ENDBLOCK
437 }
438 if(glo)
439 {
440 INITBLOCK
441 T_MESSAGE_NUMBER(BTYPE_GLONASS)
442 T_GPS_EPOCH_TIME(b->GLONASSEpochTime)
443 T_SSR_UPDATE_INTERVAL(b->UpdateInterval)
444 T_MULTIPLE_MESSAGE_INDICATOR(mmi ? 1 :0)
445 --mmi;
446 T_RESERVED5
447 T_NO_OF_SATELLITES(b->NumberOfGLONASSSat)
448 for(i = CLOCKORBIT_NUMGPS;
449 i < CLOCKORBIT_NUMGPS+b->NumberOfGLONASSSat; ++i)
450 {
451 T_GLONASS_SATELLITE_ID(b->Sat[i].ID)
452 T_NO_OF_CODE_BIASES(b->Sat[i].NumberOfCodeBiases)
453 for(j = 0; j < b->Sat[i].NumberOfCodeBiases; ++j)
454 {
455 T_GLONASS_SIGNAL_IDENTIFIER(b->Sat[i].Biases[j].Type)
456 T_CODE_BIAS(b->Sat[i].Biases[j].Bias)
457 }
458 }
459 ENDBLOCK
460 }
461
462 return ressize;
463}
464
465#endif /* NOENCODE */
466
467#ifndef NODECODE
468
469#define DECODESTART \
470 int numbits=0; \
471 uint64_t bitbuffer=0;
472
473#define LOADBITS(a) \
474{ \
475 while((a) > numbits) \
476 { \
477 if(!size--) return GCOBR_SHORTBUFFER; \
478 bitbuffer = (bitbuffer<<8)|((unsigned char)*(buffer++)); \
479 numbits += 8; \
480 } \
481}
482
483/* extract bits from data stream
484 b = variable to store result, a = number of bits */
485#define GETBITS(b, a) \
486{ \
487 LOADBITS(a) \
488 b = (bitbuffer<<(64-numbits))>>(64-(a)); \
489 numbits -= (a); \
490}
491
492/* extract signed floating value from data stream
493 b = variable to store result, a = number of bits */
494#define GETFLOATSIGN(b, a, c) \
495{ \
496 LOADBITS(a) \
497 b = ((double)(((int64_t)(bitbuffer<<(64-numbits)))>>(64-(a))))*(c); \
498 numbits -= (a); \
499}
500
501#define SKIPBITS(b) { LOADBITS(b) numbits -= (b); }
502
503/* standard values */
504#define G_HEADER(a) GETBITS(a,8)
505#define G_RESERVEDH(a) GETBITS(a,6)
506#define G_SIZE(a) GETBITS(a, 10)
507#define G_MESSAGE_NUMBER(a) GETBITS(a, 12) /* DF002 */
508#define G_RESERVED5 SKIPBITS(5) /* DF001 */
509#define G_GPS_SATELLITE_ID(a) {int temp; GETBITS(temp, 6) \
510 if(a && a != temp) return GCOBR_DATAMISMATCH; a = temp;} /* DF068 */
511#define G_GPS_IODE(a) GETBITS(a, 8) /* DF071 */
512#define G_GLONASS_IOD(a) GETBITS(a, 8) /* DF237 */
513
514/* defined values */
515#define G_DELTA_RADIAL(a) GETFLOATSIGN(a, 22, 1/10000.0)
516#define G_DELTA_ALONG_TRACK(a) GETFLOATSIGN(a, 22, 1/10000.0)
517#define G_DELTA_CROSS_TRACK(a) GETFLOATSIGN(a, 22, 1/10000.0)
518#define G_DELTA_DOT_RADIAL(a) GETFLOATSIGN(a, 21, 1/1000000.0)
519#define G_DELTA_DOT_ALONG_TRACK(a) GETFLOATSIGN(a, 21, 1/1000000.0)
520#define G_DELTA_DOT_CROSS_TRACK(a) GETFLOATSIGN(a, 21, 1/1000000.0)
521#define G_DELTA_DOT_DOT_RADIAL(a) GETFLOATSIGN(a, 27, 1/50000000.0)
522#define G_DELTA_DOT_DOT_ALONG_TRACK(a) GETFLOATSIGN(a, 27, 1/50000000.0)
523#define G_DELTA_DOT_DOT_CROSS_TRACK(a) GETFLOATSIGN(a, 27, 1/50000000.0)
524#define G_SATELLITE_REFERENCE_POINT(a) GETBITS(a, 1)
525
526#define G_SATELLITE_REFERENCE_DATUM(a) GETBITS(a, 1)
527#define G_DELTA_CLOCK_C0(a) GETFLOATSIGN(a, 22, 1/10000.0)
528#define G_DELTA_CLOCK_C1(a) GETFLOATSIGN(a, 21, 1/1000000.0)
529#define G_DELTA_CLOCK_C2(a) GETFLOATSIGN(a, 27, 1/50000000.0)
530#define G_NO_OF_CODE_BIASES(a) GETBITS(a, 5)
531#define G_GPS_SIGNAL_IDENTIFIER(a) GETBITS(a, 5)
532#define G_GLONASS_SIGNAL_IDENTIFIER(a) GETBITS(a, 5)
533#define G_GALILEO_SIGNAL_IDENTIFIER(a) GETBITS(a, 5)
534#define G_CODE_BIAS(a) GETFLOATSIGN(a, 14, 1/100.0)
535#define G_GLONASS_SATELLITE_ID(a) {int temp; GETBITS(temp, 5) \
536 if(a && a != temp) return GCOBR_DATAMISMATCH; a = temp;}
537
538#define G_GPS_EPOCH_TIME(a, b) {int temp; GETBITS(temp, 20) \
539 if(b && a != temp) return GCOBR_TIMEMISMATCH; a = temp;}
540#define G_GLONASS_EPOCH_TIME(a, b) {int temp; GETBITS(temp, 17) \
541 if(b && a != temp) return GCOBR_TIMEMISMATCH; a = temp;}
542#define G_NO_OF_SATELLITES(a) {int temp; GETBITS(temp, 6) \
543 if(a && a != temp) return GCOBR_DATAMISMATCH; a = temp;}
544#define G_MULTIPLE_MESSAGE_INDICATOR(a) GETBITS(a, 1)
545#define G_SSR_URA(a) GETBITS(a, 4)
546#define G_HR_CLOCK_CORRECTION(a) GETFLOATSIGN(a, 22, 1/10000.0)
547#define G_SSR_UPDATE_INTERVAL(a) GETBITS(a, 4)
548
549#ifdef OLD
550enum OldClockOrbitType { OLDCOTYPE_GPSORBIT=4050, OLDCOTYPE_GPSCLOCK=4051,
551 OLDCOTYPE_GLONASSORBIT=4053, OLDCOTYPE_GLONASSCLOCK=4054,
552 OLDCOTYPE_GPSCOMBINED=4056, OLDCOTYPE_GLONASSCOMBINED=4057};
553enum OldBiasType { OLDBTYPE_GPS=4052, OLDBTYPE_GLONASS=4055};
554#define OLD_G_RESERVED6 SKIPBITS(6) /* DF001 */
555#define OLD_G_GLONASS_SATELLITE_ID(a) {int temp; GETBITS(temp, 6) \
556 if(a && a != temp) return GCOBR_DATAMISMATCH; a = temp;}
557#define OLD_G_NO_OF_SATELLITES(a) {int temp; GETBITS(temp, 5) \
558 if(a && a != temp) return GCOBR_DATAMISMATCH; a = temp;}
559#define OLD_G_DELTA_RADIAL(a) GETFLOATSIGN(a, 20, 1/1000.0)
560#define OLD_G_DELTA_ALONG_TRACK(a) GETFLOATSIGN(a, 20, 1/1000.0)
561#define OLD_G_DELTA_CROSS_TRACK(a) GETFLOATSIGN(a, 20, 1/1000.0)
562#define OLD_G_DELTA_DOT_RADIAL(a) GETFLOATSIGN(a, 20, 1/100000.0)
563#define OLD_G_DELTA_DOT_ALONG_TRACK(a) GETFLOATSIGN(a, 20, 1/100000.0)
564#define OLD_G_DELTA_DOT_CROSS_TRACK(a) GETFLOATSIGN(a, 20, 1/100000.0)
565#define OLD_G_DELTA_DOT_DOT_RADIAL(a) GETFLOATSIGN(a, 20, 1/5000000.0)
566#define OLD_G_DELTA_DOT_DOT_ALONG_TRACK(a) GETFLOATSIGN(a, 20, 1/5000000.0)
567#define OLD_G_DELTA_DOT_DOT_CROSS_TRACK(a) GETFLOATSIGN(a, 20, 1/5000000.0)
568#define OLD_G_DELTA_A0(a) GETFLOATSIGN(a, 20, 1/1000.0)
569#define OLD_G_DELTA_A1(a) GETFLOATSIGN(a, 20, 1/100000.0)
570#define OLD_G_DELTA_A2(a) GETFLOATSIGN(a, 20, 1/5000000.0)
571#define OLD_G_CODE_BIAS(a) GETFLOATSIGN(a, 20, 1/100.0)
572#endif
573
574enum GCOB_RETURN GetClockOrbitBias(struct ClockOrbit *co, struct Bias *b,
575const char *buffer, size_t size, int *bytesused)
576{
577 int type, mmi=0, i, j, h, rs, sizeofrtcmblock;
578 const char *blockstart = buffer;
579 DECODESTART
580
581 if(size < 7)
582 return GCOBR_SHORTBUFFER;
583
584 G_HEADER(h)
585 G_RESERVEDH(rs)
586 G_SIZE(sizeofrtcmblock);
587
588 if((unsigned char)h != 0xD3 || rs)
589 return GCOBR_UNKNOWNDATA;
590 if(size < sizeofrtcmblock + 3) /* 3 header bytes already removed */
591 return GCOBR_MESSAGEEXCEEDSBUFFER;
592 if(CRC24(sizeofrtcmblock+3, (const unsigned char *) blockstart) !=
593 ((((unsigned char)buffer[sizeofrtcmblock])<<16)|
594 (((unsigned char)buffer[sizeofrtcmblock+1])<<8)|
595 (((unsigned char)buffer[sizeofrtcmblock+2]))))
596 return GCOBR_CRCMISMATCH;
597
598 G_MESSAGE_NUMBER(type)
599 switch(type)
600 {
601 case COTYPE_GPSORBIT:
602 if(!co) return GCOBR_NOCLOCKORBITPARAMETER;
603 G_GPS_EPOCH_TIME(co->GPSEpochTime, co->NumberOfGPSSat)
604 co->epochGPS[co->epochSize] = co->GPSEpochTime; /* Weber, for latency */
605 if(co->epochSize < 100) {co->epochSize += 1;} /* Weber, for latency */
606 G_SSR_UPDATE_INTERVAL(co->UpdateInterval)
607 G_MULTIPLE_MESSAGE_INDICATOR(mmi)
608 G_RESERVED5
609 G_NO_OF_SATELLITES(co->NumberOfGPSSat)
610 if(co->OrbitDataSupplied)
611 return GCOBR_DATAMISMATCH;
612 co->OrbitDataSupplied = 1;
613 for(i = 0; i < co->NumberOfGPSSat; ++i)
614 {
615 G_GPS_SATELLITE_ID(co->Sat[i].ID)
616 G_GPS_IODE(co->Sat[i].IOD)
617 G_DELTA_RADIAL(co->Sat[i].Orbit.DeltaRadial)
618 G_DELTA_ALONG_TRACK(co->Sat[i].Orbit.DeltaAlongTrack)
619 G_DELTA_CROSS_TRACK(co->Sat[i].Orbit.DeltaCrossTrack)
620 G_DELTA_DOT_RADIAL(co->Sat[i].Orbit.DotDeltaRadial)
621 G_DELTA_DOT_ALONG_TRACK(co->Sat[i].Orbit.DotDeltaAlongTrack)
622 G_DELTA_DOT_CROSS_TRACK(co->Sat[i].Orbit.DotDeltaCrossTrack)
623 G_DELTA_DOT_DOT_RADIAL(co->Sat[i].Orbit.DotDotDeltaRadial)
624 G_DELTA_DOT_DOT_ALONG_TRACK(co->Sat[i].Orbit.DotDotDeltaAlongTrack)
625 G_DELTA_DOT_DOT_CROSS_TRACK(co->Sat[i].Orbit.DotDotDeltaCrossTrack)
626 G_SATELLITE_REFERENCE_POINT(co->SatRefPoint)
627 G_SATELLITE_REFERENCE_DATUM(co->SatRefDatum)
628 }
629 break;
630 case COTYPE_GPSCLOCK:
631 if(!co) return GCOBR_NOCLOCKORBITPARAMETER;
632 G_GPS_EPOCH_TIME(co->GPSEpochTime, co->NumberOfGPSSat)
633 co->epochGPS[co->epochSize] = co->GPSEpochTime; /* Weber, for latency */
634 if(co->epochSize < 100) {co->epochSize += 1;} /* Weber, for latency */
635 G_SSR_UPDATE_INTERVAL(co->UpdateInterval)
636 G_MULTIPLE_MESSAGE_INDICATOR(mmi)
637 G_RESERVED5
638 G_NO_OF_SATELLITES(co->NumberOfGPSSat)
639 if(co->ClockDataSupplied)
640 return GCOBR_DATAMISMATCH;
641 co->ClockDataSupplied = 1;
642 for(i = 0; i < co->NumberOfGPSSat; ++i)
643 {
644 G_GPS_SATELLITE_ID(co->Sat[i].ID)
645 G_DELTA_CLOCK_C0(co->Sat[i].Clock.DeltaA0)
646 G_DELTA_CLOCK_C1(co->Sat[i].Clock.DeltaA1)
647 G_DELTA_CLOCK_C2(co->Sat[i].Clock.DeltaA2)
648 }
649 break;
650 case COTYPE_GPSCOMBINED:
651 if(!co) return -5;
652 G_GPS_EPOCH_TIME(co->GPSEpochTime, co->NumberOfGPSSat)
653 co->epochGPS[co->epochSize] = co->GPSEpochTime; /* Weber, for latency */
654 if(co->epochSize < 100) {co->epochSize += 1;} /* Weber, for latency */
655 G_SSR_UPDATE_INTERVAL(co->UpdateInterval)
656 G_MULTIPLE_MESSAGE_INDICATOR(mmi)
657 G_RESERVED5
658 G_NO_OF_SATELLITES(co->NumberOfGPSSat)
659 if(co->ClockDataSupplied || co->OrbitDataSupplied)
660 return GCOBR_DATAMISMATCH;
661 co->OrbitDataSupplied = 1;
662 co->ClockDataSupplied = 1;
663 for(i = 0; i < co->NumberOfGPSSat; ++i)
664 {
665 G_GPS_SATELLITE_ID(co->Sat[i].ID)
666 G_GPS_IODE(co->Sat[i].IOD)
667 G_DELTA_RADIAL(co->Sat[i].Orbit.DeltaRadial)
668 G_DELTA_ALONG_TRACK(co->Sat[i].Orbit.DeltaAlongTrack)
669 G_DELTA_CROSS_TRACK(co->Sat[i].Orbit.DeltaCrossTrack)
670 G_DELTA_DOT_RADIAL(co->Sat[i].Orbit.DotDeltaRadial)
671 G_DELTA_DOT_ALONG_TRACK(co->Sat[i].Orbit.DotDeltaAlongTrack)
672 G_DELTA_DOT_CROSS_TRACK(co->Sat[i].Orbit.DotDeltaCrossTrack)
673 G_DELTA_DOT_DOT_RADIAL(co->Sat[i].Orbit.DotDotDeltaRadial)
674 G_DELTA_DOT_DOT_ALONG_TRACK(co->Sat[i].Orbit.DotDotDeltaAlongTrack)
675 G_DELTA_DOT_DOT_CROSS_TRACK(co->Sat[i].Orbit.DotDotDeltaCrossTrack)
676 G_SATELLITE_REFERENCE_POINT(co->SatRefPoint)
677 G_SATELLITE_REFERENCE_DATUM(co->SatRefDatum)
678 G_DELTA_CLOCK_C0(co->Sat[i].Clock.DeltaA0)
679 G_DELTA_CLOCK_C1(co->Sat[i].Clock.DeltaA1)
680 G_DELTA_CLOCK_C2(co->Sat[i].Clock.DeltaA2)
681 }
682 break;
683 case COTYPE_GPSURA:
684 if(!co) return GCOBR_NOCLOCKORBITPARAMETER;
685 G_GPS_EPOCH_TIME(co->GPSEpochTime, co->NumberOfGPSSat)
686 co->epochGPS[co->epochSize] = co->GPSEpochTime; /* Weber, for latency */
687 if(co->epochSize < 100) {co->epochSize += 1;} /* Weber, for latency */
688 G_MULTIPLE_MESSAGE_INDICATOR(mmi)
689 G_RESERVED5
690 G_NO_OF_SATELLITES(co->NumberOfGPSSat)
691 if(co->URADataSupplied)
692 return GCOBR_DATAMISMATCH;
693 co->URADataSupplied = 1;
694 for(i = 0; i < co->NumberOfGPSSat; ++i)
695 {
696 G_GPS_SATELLITE_ID(co->Sat[i].ID)
697 G_SSR_URA(co->Sat[i].URA)
698 }
699 break;
700 case COTYPE_GPSHR:
701 if(!co) return GCOBR_NOCLOCKORBITPARAMETER;
702 G_GPS_EPOCH_TIME(co->GPSEpochTime, co->NumberOfGPSSat)
703 co->epochGPS[co->epochSize] = co->GPSEpochTime; /* Weber, for latency */
704 if(co->epochSize < 100) {co->epochSize += 1;} /* Weber, for latency */
705 G_SSR_UPDATE_INTERVAL(co->UpdateInterval)
706 G_MULTIPLE_MESSAGE_INDICATOR(mmi)
707 G_RESERVED5
708 G_NO_OF_SATELLITES(co->NumberOfGPSSat)
709 if(co->HRDataSupplied)
710 return GCOBR_DATAMISMATCH;
711 co->HRDataSupplied = 1;
712 for(i = 0; i < co->NumberOfGPSSat; ++i)
713 {
714 G_GPS_SATELLITE_ID(co->Sat[i].ID)
715 G_HR_CLOCK_CORRECTION(co->Sat[i].hrclock)
716 }
717 break;
718 case COTYPE_GLONASSORBIT:
719 if(!co) return GCOBR_NOCLOCKORBITPARAMETER;
720 G_GLONASS_EPOCH_TIME(co->GLONASSEpochTime, co->NumberOfGLONASSSat)
721 G_SSR_UPDATE_INTERVAL(co->UpdateInterval)
722 G_MULTIPLE_MESSAGE_INDICATOR(mmi)
723 G_RESERVED5
724 G_NO_OF_SATELLITES(co->NumberOfGLONASSSat)
725 if(co->OrbitDataSupplied)
726 return GCOBR_DATAMISMATCH;
727 co->OrbitDataSupplied = 1;
728 for(i = CLOCKORBIT_NUMGPS;
729 i < CLOCKORBIT_NUMGPS+co->NumberOfGLONASSSat; ++i)
730 {
731 G_GLONASS_SATELLITE_ID(co->Sat[i].ID)
732 G_GLONASS_IOD(co->Sat[i].IOD)
733 G_DELTA_RADIAL(co->Sat[i].Orbit.DeltaRadial)
734 G_DELTA_ALONG_TRACK(co->Sat[i].Orbit.DeltaAlongTrack)
735 G_DELTA_CROSS_TRACK(co->Sat[i].Orbit.DeltaCrossTrack)
736 G_DELTA_DOT_RADIAL(co->Sat[i].Orbit.DotDeltaRadial)
737 G_DELTA_DOT_ALONG_TRACK(co->Sat[i].Orbit.DotDeltaAlongTrack)
738 G_DELTA_DOT_CROSS_TRACK(co->Sat[i].Orbit.DotDeltaCrossTrack)
739 G_DELTA_DOT_DOT_RADIAL(co->Sat[i].Orbit.DotDotDeltaRadial)
740 G_DELTA_DOT_DOT_ALONG_TRACK(co->Sat[i].Orbit.DotDotDeltaAlongTrack)
741 G_DELTA_DOT_DOT_CROSS_TRACK(co->Sat[i].Orbit.DotDotDeltaCrossTrack)
742 G_SATELLITE_REFERENCE_POINT(co->SatRefPoint)
743 G_SATELLITE_REFERENCE_DATUM(co->SatRefDatum)
744 }
745 break;
746 case COTYPE_GLONASSCLOCK:
747 if(!co) return GCOBR_NOCLOCKORBITPARAMETER;
748 G_GLONASS_EPOCH_TIME(co->GLONASSEpochTime, co->NumberOfGLONASSSat)
749 G_SSR_UPDATE_INTERVAL(co->UpdateInterval)
750 G_MULTIPLE_MESSAGE_INDICATOR(mmi)
751 G_RESERVED5
752 G_NO_OF_SATELLITES(co->NumberOfGLONASSSat)
753 if(co->ClockDataSupplied)
754 return GCOBR_DATAMISMATCH;
755 co->ClockDataSupplied = 1;
756 for(i = CLOCKORBIT_NUMGPS;
757 i < CLOCKORBIT_NUMGPS+co->NumberOfGLONASSSat; ++i)
758 {
759 G_GLONASS_SATELLITE_ID(co->Sat[i].ID)
760 G_DELTA_CLOCK_C0(co->Sat[i].Clock.DeltaA0)
761 G_DELTA_CLOCK_C1(co->Sat[i].Clock.DeltaA1)
762 G_DELTA_CLOCK_C2(co->Sat[i].Clock.DeltaA2)
763 }
764 break;
765 case COTYPE_GLONASSCOMBINED:
766 if(!co) return GCOBR_NOCLOCKORBITPARAMETER;
767 G_GLONASS_EPOCH_TIME(co->GLONASSEpochTime, co->NumberOfGLONASSSat)
768 G_SSR_UPDATE_INTERVAL(co->UpdateInterval)
769 G_MULTIPLE_MESSAGE_INDICATOR(mmi)
770 G_RESERVED5
771 G_NO_OF_SATELLITES(co->NumberOfGLONASSSat)
772 if(co->ClockDataSupplied || co->OrbitDataSupplied)
773 return GCOBR_DATAMISMATCH;
774 co->OrbitDataSupplied = 1;
775 co->ClockDataSupplied = 1;
776 for(i = CLOCKORBIT_NUMGPS;
777 i < CLOCKORBIT_NUMGPS+co->NumberOfGLONASSSat; ++i)
778 {
779 G_GLONASS_SATELLITE_ID(co->Sat[i].ID)
780 G_GLONASS_IOD(co->Sat[i].IOD)
781 G_DELTA_RADIAL(co->Sat[i].Orbit.DeltaRadial)
782 G_DELTA_ALONG_TRACK(co->Sat[i].Orbit.DeltaAlongTrack)
783 G_DELTA_CROSS_TRACK(co->Sat[i].Orbit.DeltaCrossTrack)
784 G_DELTA_DOT_RADIAL(co->Sat[i].Orbit.DotDeltaRadial)
785 G_DELTA_DOT_ALONG_TRACK(co->Sat[i].Orbit.DotDeltaAlongTrack)
786 G_DELTA_DOT_CROSS_TRACK(co->Sat[i].Orbit.DotDeltaCrossTrack)
787 G_DELTA_DOT_DOT_RADIAL(co->Sat[i].Orbit.DotDotDeltaRadial)
788 G_DELTA_DOT_DOT_ALONG_TRACK(co->Sat[i].Orbit.DotDotDeltaAlongTrack)
789 G_DELTA_DOT_DOT_CROSS_TRACK(co->Sat[i].Orbit.DotDotDeltaCrossTrack)
790 G_SATELLITE_REFERENCE_POINT(co->SatRefPoint)
791 G_SATELLITE_REFERENCE_DATUM(co->SatRefDatum)
792 G_DELTA_CLOCK_C0(co->Sat[i].Clock.DeltaA0)
793 G_DELTA_CLOCK_C1(co->Sat[i].Clock.DeltaA1)
794 G_DELTA_CLOCK_C2(co->Sat[i].Clock.DeltaA2)
795 }
796 break;
797 case COTYPE_GLONASSURA:
798 if(!co) return GCOBR_NOCLOCKORBITPARAMETER;
799 G_GLONASS_EPOCH_TIME(co->GLONASSEpochTime, co->NumberOfGLONASSSat)
800 G_MULTIPLE_MESSAGE_INDICATOR(mmi)
801 G_RESERVED5
802 G_NO_OF_SATELLITES(co->NumberOfGLONASSSat)
803 if(co->URADataSupplied)
804 return GCOBR_DATAMISMATCH;
805 co->URADataSupplied = 1;
806 for(i = CLOCKORBIT_NUMGPS;
807 i < CLOCKORBIT_NUMGPS+co->NumberOfGLONASSSat; ++i)
808 {
809 G_GLONASS_SATELLITE_ID(co->Sat[i].ID)
810 G_SSR_URA(co->Sat[i].URA)
811 }
812 break;
813 case COTYPE_GLONASSHR:
814 if(!co) return GCOBR_NOCLOCKORBITPARAMETER;
815 G_GLONASS_EPOCH_TIME(co->GLONASSEpochTime, co->NumberOfGLONASSSat)
816 G_SSR_UPDATE_INTERVAL(co->UpdateInterval)
817 G_MULTIPLE_MESSAGE_INDICATOR(mmi)
818 G_RESERVED5
819 G_NO_OF_SATELLITES(co->NumberOfGLONASSSat)
820 if(co->HRDataSupplied)
821 return GCOBR_DATAMISMATCH;
822 co->HRDataSupplied = 1;
823 for(i = CLOCKORBIT_NUMGPS;
824 i < CLOCKORBIT_NUMGPS+co->NumberOfGLONASSSat; ++i)
825 {
826 G_GLONASS_SATELLITE_ID(co->Sat[i].ID)
827 G_HR_CLOCK_CORRECTION(co->Sat[i].hrclock)
828 }
829 break;
830 case BTYPE_GPS:
831 if(!b) return GCOBR_NOBIASPARAMETER;
832 G_GPS_EPOCH_TIME(b->GPSEpochTime, co->NumberOfGPSSat)
833 G_SSR_UPDATE_INTERVAL(co->UpdateInterval)
834 G_MULTIPLE_MESSAGE_INDICATOR(mmi)
835 G_RESERVED5
836 G_NO_OF_SATELLITES(b->NumberOfGPSSat)
837 for(i = 0; i < b->NumberOfGPSSat; ++i)
838 {
839 G_GPS_SATELLITE_ID(b->Sat[i].ID)
840 G_NO_OF_CODE_BIASES(b->Sat[i].NumberOfCodeBiases)
841 for(j = 0; j < b->Sat[i].NumberOfCodeBiases; ++j)
842 {
843 G_GPS_SIGNAL_IDENTIFIER(b->Sat[i].Biases[j].Type)
844 G_CODE_BIAS(b->Sat[i].Biases[j].Bias)
845 }
846 }
847 break;
848 case BTYPE_GLONASS:
849 if(!b) return GCOBR_NOBIASPARAMETER;
850 G_GPS_EPOCH_TIME(b->GLONASSEpochTime, co->NumberOfGLONASSSat)
851 G_SSR_UPDATE_INTERVAL(co->UpdateInterval)
852 G_MULTIPLE_MESSAGE_INDICATOR(mmi)
853 G_RESERVED5
854 G_NO_OF_SATELLITES(b->NumberOfGLONASSSat)
855 for(i = CLOCKORBIT_NUMGPS;
856 i < CLOCKORBIT_NUMGPS+b->NumberOfGLONASSSat; ++i)
857 {
858 G_GLONASS_SATELLITE_ID(b->Sat[i].ID)
859 G_NO_OF_CODE_BIASES(b->Sat[i].NumberOfCodeBiases)
860 for(j = 0; j < b->Sat[i].NumberOfCodeBiases; ++j)
861 {
862 G_GLONASS_SIGNAL_IDENTIFIER(b->Sat[i].Biases[j].Type)
863 G_CODE_BIAS(b->Sat[i].Biases[j].Bias)
864 }
865 }
866 break;
867#ifdef OLD
868 case OLDCOTYPE_GPSORBIT:
869 if(!co) return GCOBR_NOCLOCKORBITPARAMETER;
870 G_GPS_EPOCH_TIME(co->GPSEpochTime, co->NumberOfGPSSat)
871 co->epochGPS[co->epochSize] = co->GPSEpochTime; /* Weber, for latency */
872 if(co->epochSize < 100) {co->epochSize += 1;} /* Weber, for latency */
873 G_MULTIPLE_MESSAGE_INDICATOR(mmi)
874 OLD_G_RESERVED6
875 OLD_G_NO_OF_SATELLITES(co->NumberOfGPSSat)
876 if(co->OrbitDataSupplied)
877 return GCOBR_DATAMISMATCH;
878 co->OrbitDataSupplied = 1;
879 for(i = 0; i < co->NumberOfGPSSat; ++i)
880 {
881 G_GPS_SATELLITE_ID(co->Sat[i].ID)
882 G_GPS_IODE(co->Sat[i].IOD)
883 OLD_G_DELTA_RADIAL(co->Sat[i].Orbit.DeltaRadial)
884 OLD_G_DELTA_ALONG_TRACK(co->Sat[i].Orbit.DeltaAlongTrack)
885 OLD_G_DELTA_CROSS_TRACK(co->Sat[i].Orbit.DeltaCrossTrack)
886 OLD_G_DELTA_DOT_RADIAL(co->Sat[i].Orbit.DotDeltaRadial)
887 OLD_G_DELTA_DOT_ALONG_TRACK(co->Sat[i].Orbit.DotDeltaAlongTrack)
888 OLD_G_DELTA_DOT_CROSS_TRACK(co->Sat[i].Orbit.DotDeltaCrossTrack)
889 OLD_G_DELTA_DOT_DOT_RADIAL(co->Sat[i].Orbit.DotDotDeltaRadial)
890 OLD_G_DELTA_DOT_DOT_ALONG_TRACK(co->Sat[i].Orbit.DotDotDeltaAlongTrack)
891 OLD_G_DELTA_DOT_DOT_CROSS_TRACK(co->Sat[i].Orbit.DotDotDeltaCrossTrack)
892 G_SATELLITE_REFERENCE_POINT(co->SatRefPoint)
893 G_SATELLITE_REFERENCE_DATUM(co->SatRefDatum)
894 }
895 break;
896 case OLDCOTYPE_GPSCLOCK:
897 if(!co) return GCOBR_NOCLOCKORBITPARAMETER;
898 G_GPS_EPOCH_TIME(co->GPSEpochTime, co->NumberOfGPSSat)
899 co->epochGPS[co->epochSize] = co->GPSEpochTime; /* Weber, for latency */
900 if(co->epochSize < 100) {co->epochSize += 1;} /* Weber, for latency */
901 G_MULTIPLE_MESSAGE_INDICATOR(mmi)
902 OLD_G_RESERVED6
903 OLD_G_NO_OF_SATELLITES(co->NumberOfGPSSat)
904 if(co->ClockDataSupplied)
905 return GCOBR_DATAMISMATCH;
906 co->ClockDataSupplied = 1;
907 for(i = 0; i < co->NumberOfGPSSat; ++i)
908 {
909 G_GPS_SATELLITE_ID(co->Sat[i].ID)
910 G_GPS_IODE(co->Sat[i].IOD)
911 OLD_G_DELTA_A0(co->Sat[i].Clock.DeltaA0)
912 OLD_G_DELTA_A1(co->Sat[i].Clock.DeltaA1)
913 OLD_G_DELTA_A2(co->Sat[i].Clock.DeltaA2)
914 }
915 break;
916 case OLDCOTYPE_GPSCOMBINED:
917 if(!co) return -5;
918 G_GPS_EPOCH_TIME(co->GPSEpochTime, co->NumberOfGPSSat)
919 co->epochGPS[co->epochSize] = co->GPSEpochTime; /* Weber, for latency */
920 if(co->epochSize < 100) {co->epochSize += 1;} /* Weber, for latency */
921 G_MULTIPLE_MESSAGE_INDICATOR(mmi)
922 OLD_G_RESERVED6
923 OLD_G_NO_OF_SATELLITES(co->NumberOfGPSSat)
924 if(co->ClockDataSupplied || co->OrbitDataSupplied)
925 return GCOBR_DATAMISMATCH;
926 co->OrbitDataSupplied = 1;
927 co->ClockDataSupplied = 1;
928 for(i = 0; i < co->NumberOfGPSSat; ++i)
929 {
930 G_GPS_SATELLITE_ID(co->Sat[i].ID)
931 G_GPS_IODE(co->Sat[i].IOD)
932 OLD_G_DELTA_RADIAL(co->Sat[i].Orbit.DeltaRadial)
933 OLD_G_DELTA_ALONG_TRACK(co->Sat[i].Orbit.DeltaAlongTrack)
934 OLD_G_DELTA_CROSS_TRACK(co->Sat[i].Orbit.DeltaCrossTrack)
935 OLD_G_DELTA_DOT_RADIAL(co->Sat[i].Orbit.DotDeltaRadial)
936 OLD_G_DELTA_DOT_ALONG_TRACK(co->Sat[i].Orbit.DotDeltaAlongTrack)
937 OLD_G_DELTA_DOT_CROSS_TRACK(co->Sat[i].Orbit.DotDeltaCrossTrack)
938 OLD_G_DELTA_DOT_DOT_RADIAL(co->Sat[i].Orbit.DotDotDeltaRadial)
939 OLD_G_DELTA_DOT_DOT_ALONG_TRACK(co->Sat[i].Orbit.DotDotDeltaAlongTrack)
940 OLD_G_DELTA_DOT_DOT_CROSS_TRACK(co->Sat[i].Orbit.DotDotDeltaCrossTrack)
941 G_SATELLITE_REFERENCE_POINT(co->SatRefPoint)
942 G_SATELLITE_REFERENCE_DATUM(co->SatRefDatum)
943 OLD_G_DELTA_A0(co->Sat[i].Clock.DeltaA0)
944 OLD_G_DELTA_A1(co->Sat[i].Clock.DeltaA1)
945 OLD_G_DELTA_A2(co->Sat[i].Clock.DeltaA2)
946 }
947 break;
948 case OLDCOTYPE_GLONASSORBIT:
949 if(!co) return GCOBR_NOCLOCKORBITPARAMETER;
950 G_GLONASS_EPOCH_TIME(co->GLONASSEpochTime, co->NumberOfGLONASSSat)
951 G_MULTIPLE_MESSAGE_INDICATOR(mmi)
952 OLD_G_RESERVED6
953 OLD_G_NO_OF_SATELLITES(co->NumberOfGLONASSSat)
954 if(co->OrbitDataSupplied)
955 return GCOBR_DATAMISMATCH;
956 co->OrbitDataSupplied = 1;
957 for(i = CLOCKORBIT_NUMGPS;
958 i < CLOCKORBIT_NUMGPS+co->NumberOfGLONASSSat; ++i)
959 {
960 OLD_G_GLONASS_SATELLITE_ID(co->Sat[i].ID)
961 G_GLONASS_IOD(co->Sat[i].IOD)
962 OLD_G_DELTA_RADIAL(co->Sat[i].Orbit.DeltaRadial)
963 OLD_G_DELTA_ALONG_TRACK(co->Sat[i].Orbit.DeltaAlongTrack)
964 OLD_G_DELTA_CROSS_TRACK(co->Sat[i].Orbit.DeltaCrossTrack)
965 OLD_G_DELTA_DOT_RADIAL(co->Sat[i].Orbit.DotDeltaRadial)
966 OLD_G_DELTA_DOT_ALONG_TRACK(co->Sat[i].Orbit.DotDeltaAlongTrack)
967 OLD_G_DELTA_DOT_CROSS_TRACK(co->Sat[i].Orbit.DotDeltaCrossTrack)
968 OLD_G_DELTA_DOT_DOT_RADIAL(co->Sat[i].Orbit.DotDotDeltaRadial)
969 OLD_G_DELTA_DOT_DOT_ALONG_TRACK(co->Sat[i].Orbit.DotDotDeltaAlongTrack)
970 OLD_G_DELTA_DOT_DOT_CROSS_TRACK(co->Sat[i].Orbit.DotDotDeltaCrossTrack)
971 G_SATELLITE_REFERENCE_POINT(co->SatRefPoint)
972 G_SATELLITE_REFERENCE_DATUM(co->SatRefDatum)
973 }
974 break;
975 case OLDCOTYPE_GLONASSCLOCK:
976 if(!co) return GCOBR_NOCLOCKORBITPARAMETER;
977 G_GLONASS_EPOCH_TIME(co->GLONASSEpochTime, co->NumberOfGLONASSSat)
978 G_MULTIPLE_MESSAGE_INDICATOR(mmi)
979 OLD_G_RESERVED6
980 OLD_G_NO_OF_SATELLITES(co->NumberOfGLONASSSat)
981 if(co->ClockDataSupplied)
982 return GCOBR_DATAMISMATCH;
983 co->ClockDataSupplied = 1;
984 for(i = CLOCKORBIT_NUMGPS;
985 i < CLOCKORBIT_NUMGPS+co->NumberOfGLONASSSat; ++i)
986 {
987 OLD_G_GLONASS_SATELLITE_ID(co->Sat[i].ID)
988 G_GLONASS_IOD(co->Sat[i].IOD)
989 OLD_G_DELTA_A0(co->Sat[i].Clock.DeltaA0)
990 OLD_G_DELTA_A1(co->Sat[i].Clock.DeltaA1)
991 OLD_G_DELTA_A2(co->Sat[i].Clock.DeltaA2)
992 }
993 break;
994 case OLDCOTYPE_GLONASSCOMBINED:
995 if(!co) return GCOBR_NOCLOCKORBITPARAMETER;
996 G_GLONASS_EPOCH_TIME(co->GLONASSEpochTime, co->NumberOfGLONASSSat)
997 G_MULTIPLE_MESSAGE_INDICATOR(mmi)
998 OLD_G_RESERVED6
999 OLD_G_NO_OF_SATELLITES(co->NumberOfGLONASSSat)
1000 if(co->ClockDataSupplied || co->OrbitDataSupplied)
1001 return GCOBR_DATAMISMATCH;
1002 co->OrbitDataSupplied = 1;
1003 co->ClockDataSupplied = 1;
1004 for(i = CLOCKORBIT_NUMGPS;
1005 i < CLOCKORBIT_NUMGPS+co->NumberOfGLONASSSat; ++i)
1006 {
1007 OLD_G_GLONASS_SATELLITE_ID(co->Sat[i].ID)
1008 G_GLONASS_IOD(co->Sat[i].IOD)
1009 OLD_G_DELTA_RADIAL(co->Sat[i].Orbit.DeltaRadial)
1010 OLD_G_DELTA_ALONG_TRACK(co->Sat[i].Orbit.DeltaAlongTrack)
1011 OLD_G_DELTA_CROSS_TRACK(co->Sat[i].Orbit.DeltaCrossTrack)
1012 OLD_G_DELTA_DOT_RADIAL(co->Sat[i].Orbit.DotDeltaRadial)
1013 OLD_G_DELTA_DOT_ALONG_TRACK(co->Sat[i].Orbit.DotDeltaAlongTrack)
1014 OLD_G_DELTA_DOT_CROSS_TRACK(co->Sat[i].Orbit.DotDeltaCrossTrack)
1015 OLD_G_DELTA_DOT_DOT_RADIAL(co->Sat[i].Orbit.DotDotDeltaRadial)
1016 OLD_G_DELTA_DOT_DOT_ALONG_TRACK(co->Sat[i].Orbit.DotDotDeltaAlongTrack)
1017 OLD_G_DELTA_DOT_DOT_CROSS_TRACK(co->Sat[i].Orbit.DotDotDeltaCrossTrack)
1018 G_SATELLITE_REFERENCE_POINT(co->SatRefPoint)
1019 G_SATELLITE_REFERENCE_DATUM(co->SatRefDatum)
1020 OLD_G_DELTA_A0(co->Sat[i].Clock.DeltaA0)
1021 OLD_G_DELTA_A1(co->Sat[i].Clock.DeltaA1)
1022 OLD_G_DELTA_A2(co->Sat[i].Clock.DeltaA2)
1023 }
1024 break;
1025 case OLDBTYPE_GPS:
1026 if(!b) return GCOBR_NOBIASPARAMETER;
1027 G_GPS_EPOCH_TIME(b->GPSEpochTime, co->NumberOfGPSSat)
1028 G_MULTIPLE_MESSAGE_INDICATOR(mmi)
1029 OLD_G_RESERVED6
1030 OLD_G_NO_OF_SATELLITES(b->NumberOfGPSSat)
1031 for(i = 0; i < b->NumberOfGPSSat; ++i)
1032 {
1033 G_GPS_SATELLITE_ID(b->Sat[i].ID)
1034 G_NO_OF_CODE_BIASES(b->Sat[i].NumberOfCodeBiases)
1035 for(j = 0; j < b->Sat[i].NumberOfCodeBiases; ++j)
1036 {
1037 G_GPS_SIGNAL_IDENTIFIER(b->Sat[i].Biases[j].Type)
1038 OLD_G_CODE_BIAS(b->Sat[i].Biases[j].Bias)
1039 }
1040 }
1041 break;
1042 case OLDBTYPE_GLONASS:
1043 if(!b) return GCOBR_NOBIASPARAMETER;
1044 G_GPS_EPOCH_TIME(b->GLONASSEpochTime, co->NumberOfGLONASSSat)
1045 G_MULTIPLE_MESSAGE_INDICATOR(mmi)
1046 OLD_G_RESERVED6
1047 OLD_G_NO_OF_SATELLITES(b->NumberOfGLONASSSat)
1048 for(i = CLOCKORBIT_NUMGPS;
1049 i < CLOCKORBIT_NUMGPS+b->NumberOfGLONASSSat; ++i)
1050 {
1051 OLD_G_GLONASS_SATELLITE_ID(b->Sat[i].ID)
1052 G_NO_OF_CODE_BIASES(b->Sat[i].NumberOfCodeBiases)
1053 for(j = 0; j < b->Sat[i].NumberOfCodeBiases; ++j)
1054 {
1055 G_GLONASS_SIGNAL_IDENTIFIER(b->Sat[i].Biases[j].Type)
1056 OLD_G_CODE_BIAS(b->Sat[i].Biases[j].Bias)
1057 }
1058 }
1059 break;
1060#endif
1061 default:
1062 return GCOBR_UNKNOWNTYPE;
1063 }
1064 if(bytesused)
1065 *bytesused = sizeofrtcmblock+6;
1066 return mmi ? GCOBR_MESSAGEFOLLOWS : GCOBR_OK;
1067}
1068#endif /* NODECODE */
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