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| author | Eric S. Raymond <esr@thyrsus.com> | 2011-04-12 19:20:36 -0400 |
|---|---|---|
| committer | Eric S. Raymond <esr@thyrsus.com> | 2011-04-12 22:09:04 -0400 |
| commit | dca77bfa22797e6126a53f5f05f1ff2f7b52f69d (patch) | |
| tree | abf335ec9e31af57e9f21584cc6a0b928efd096a /driver_rtcm3.c | |
| parent | 8507fa5f6d3feaa534a86b4f89a19e52e2530464 (diff) | |
| download | gpsd-dca77bfa22797e6126a53f5f05f1ff2f7b52f69d.tar.gz | |
Partial decode of RTCM3 1033.
Diffstat (limited to 'driver_rtcm3.c')
| -rw-r--r-- | driver_rtcm3.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/driver_rtcm3.c b/driver_rtcm3.c index 16dc0db4..7b7d0c7c 100644 --- a/driver_rtcm3.c +++ b/driver_rtcm3.c @@ -23,7 +23,13 @@ passed an entire correction packet for processing by their internal firmware. Decodes of the following types have been verified: 1004, 1005, 1006, -1008, 1012, 1013, 1029. +1008, 1012, 1013, 1029. There is good reason to believe the 1007 code +is correct, as it's identical to 1008 up to where it ends. + +The 1033 decode was arrived at by looking at an rtcminspect dump and noting +that it carries an information superset of the 1008. There are additional +Receiver and Firmware fields we don't know how to decode without access +to an RTCM3 standard at revision 4 or later. This file is Copyright (c) 2010 by the GPSD project BSD terms apply: see the file COPYING in the distribution root for details. @@ -216,7 +222,7 @@ void rtcm3_unpack( /*@out@*/ struct rtcm3_t *rtcm, char *buf) case 1007: /* Antenna Descriptor */ rtcm->rtcmtypes.rtcm3_1007.station_id = (unsigned short)ugrab(12); n = (unsigned long)ugrab(8); - (void)memcpy(rtcm->rtcmtypes.rtcm3_1007.descriptor, buf + 4, n); + (void)memcpy(rtcm->rtcmtypes.rtcm3_1007.descriptor, buf + 7, n); rtcm->rtcmtypes.rtcm3_1007.descriptor[n] = '\0'; bitcount += 8 * n; rtcm->rtcmtypes.rtcm3_1007.setup_id = ugrab(8); @@ -394,6 +400,19 @@ void rtcm3_unpack( /*@out@*/ struct rtcm3_t *rtcm, char *buf) buf + 12, rtcm->rtcmtypes.rtcm3_1029.unicode_units); break; + case 1033: /* see note in header */ + rtcm->rtcmtypes.rtcm3_1033.station_id = (unsigned short)ugrab(12); + n = (unsigned long)ugrab(8); + (void)memcpy(rtcm->rtcmtypes.rtcm3_1033.descriptor, buf + 7, n); + rtcm->rtcmtypes.rtcm3_1033.descriptor[n] = '\0'; + bitcount += 8 * n; + rtcm->rtcmtypes.rtcm3_1033.setup_id = ugrab(8); + n2 = (unsigned long)ugrab(8); + (void)memcpy(rtcm->rtcmtypes.rtcm3_1033.serial, buf + 9 + n, n2); + rtcm->rtcmtypes.rtcm3_1033.serial[n2] = '\0'; + bitcount += 8 * n2; + break; + default: /* * Leader bytes, message length, and checksum won't be copied. |