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| author | Gary E. Miller <gem@rellim.com> | 2010-05-25 23:48:27 -0700 |
|---|---|---|
| committer | Gary E. Miller <gem@rellim.com> | 2010-05-25 23:48:27 -0700 |
| commit | d2222a70add8faeb9383298b53cd5733db898202 (patch) | |
| tree | 0909876b41353d4c7d040ac9f66202847a2d3ba6 /driver_sirf.c | |
| parent | e69428405ad95c9aa26e273f9258f6916a330812 (diff) | |
| download | gpsd-d2222a70add8faeb9383298b53cd5733db898202.tar.gz | |
Tweak the NTP offset for SiRF when using USB.
Diffstat (limited to 'driver_sirf.c')
| -rw-r--r-- | driver_sirf.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/driver_sirf.c b/driver_sirf.c index 1d898d03..0e271f57 100644 --- a/driver_sirf.c +++ b/driver_sirf.c @@ -556,6 +556,9 @@ static double sirf_ntp_offset(struct gps_device_t *session) return 0.570; #endif /* __UNUSED__ */ + if (session->sourcetype == source_usb) { + return 0.600; /* USB, expect +/- 40mS jitter */ + } /* the Navigation Solution message */ if (strcmp(session->gpsdata.tag, "MID2") == 0) switch (session->gpsdata.dev.baudrate) { |