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| author | Eric S. Raymond <esr@thyrsus.com> | 2015-04-07 05:41:44 -0400 |
|---|---|---|
| committer | Eric S. Raymond <esr@thyrsus.com> | 2015-04-07 05:41:44 -0400 |
| commit | 9c9b6060ad028070e5d68237985604f1c8565469 (patch) | |
| tree | c58b56a2b39e7d01e758f854756c39fd709fc29a /driver_nmea0183.c | |
| parent | ed612318a2b3b0101eec4e6914be589819d3c429 (diff) | |
| download | gpsd-9c9b6060ad028070e5d68237985604f1c8565469.tar.gz | |
Note some conflict about PRNs.
gps.h says one thung, the NMEA0183 driver another. Needs investigation.
All regression tests pass (significant after Sanjeev's recent changes).
Diffstat (limited to 'driver_nmea0183.c')
| -rw-r--r-- | driver_nmea0183.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/driver_nmea0183.c b/driver_nmea0183.c index 0b817b9a..774ee61b 100644 --- a/driver_nmea0183.c +++ b/driver_nmea0183.c @@ -474,6 +474,10 @@ static int nmeaid_to_prn(char *talker, int satnum) * 196..200: QZSS (future extensions?) * 201..235: Beidou * + * Also see the *_PRN macros in gps.h for a slightly different mapping + * apparently described in IS-GPS-200 Revision H, paragraph 6.3.6. + * There's a conflict in the 33-64 range. + * * The issue is what to do when GPSes from these different systems * fight for IDs in the 1-32 range, as in this pair of Beidou sentences * |