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| author | Eric S. Raymond <esr@thyrsus.com> | 2009-09-03 10:16:43 +0000 |
|---|---|---|
| committer | Eric S. Raymond <esr@thyrsus.com> | 2009-09-03 10:16:43 +0000 |
| commit | ff1a623dbdca3fa26de67d88739d9a039b8e39ea (patch) | |
| tree | e5dd06d01abeba8e9210f65f79d4c19eeeb4cb94 /driver_zodiac.c | |
| parent | d5755a55b8681c04ee0de3dc683124e581e47a9b (diff) | |
| download | gpsd-ff1a623dbdca3fa26de67d88739d9a039b8e39ea.tar.gz | |
Split eph into epx and epy internally...
...but still report eph by re-mixing them in the JSON dumper. This was
worth doing because all regression tests still pass, showing that
visible behavior for old-protocol users gas not changed.
Diffstat (limited to 'driver_zodiac.c')
| -rw-r--r-- | driver_zodiac.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/driver_zodiac.c b/driver_zodiac.c index b4b07848..5a39ce8f 100644 --- a/driver_zodiac.c +++ b/driver_zodiac.c @@ -181,8 +181,11 @@ static gps_mask_t handle1000(struct gps_device_t *session) session->mag_var = ((short)getzword(37)) * RAD_2_DEG * 1e-4; session->gpsdata.fix.climb = ((short)getzword(38)) * 1e-2; /* map_datum = getzword(39); */ - /* manual says these are 1-sigma */ - session->gpsdata.fix.eph = (int)getzlong(40) * 1e-2 * GPSD_CONFIDENCE; + /* + * The manual says these are 1-sigma. Device reports only eph, circular + * error; no harm in assigning it to both x and y components. + */ + session->gpsdata.fix.epx = session->gpsdata.fix.epy = (int)getzlong(40) * 1e-2 * GPSD_CONFIDENCE; session->gpsdata.fix.epv = (int)getzlong(42) * 1e-2 * GPSD_CONFIDENCE; session->gpsdata.fix.ept = (int)getzlong(44) * 1e-2 * GPSD_CONFIDENCE; session->gpsdata.fix.eps = (int)getzword(46) * 1e-2 * GPSD_CONFIDENCE; |