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| author | Gary E. Miller <gem@rellim.com> | 2018-09-24 19:12:22 -0700 |
|---|---|---|
| committer | Gary E. Miller <gem@rellim.com> | 2018-09-24 19:12:22 -0700 |
| commit | 3e3a797f415bdedd1491d194bc515437f694c441 (patch) | |
| tree | b5099d8397ad5c38b805cfcb18894425bb129a67 /driver_sirf.c | |
| parent | 4af59876328fb6a11f7337e350b312cf45c7093b (diff) | |
| download | gpsd-3e3a797f415bdedd1491d194bc515437f694c441.tar.gz | |
driver_sirf: add gnssid:svid.
Not hard since SiRF only uses GPS and SBAS.
Diffstat (limited to 'driver_sirf.c')
| -rw-r--r-- | driver_sirf.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/driver_sirf.c b/driver_sirf.c index 7ef367ea..453e353c 100644 --- a/driver_sirf.c +++ b/driver_sirf.c @@ -572,8 +572,17 @@ static gps_mask_t sirf_msg_svinfo(struct gps_device_t *session, int cn; int off = 8 + 15 * i; bool good; + short prn = (short)getub(buf, off); unsigned short stat = (unsigned short)getbeu16(buf, off + 3); - session->gpsdata.skyview[st].PRN = (short)getub(buf, off); + session->gpsdata.skyview[st].PRN = prn; + session->gpsdata.skyview[st].svid = prn; + if (120 <= prn && 158 >= prn) { + /* SBAS */ + session->gpsdata.skyview[st].gnssid = 1; + } else { + /* GPS */ + session->gpsdata.skyview[st].gnssid = 0; + } session->gpsdata.skyview[st].azimuth = (short)(((unsigned)getub(buf, off + 1) * 3) / 2.0); session->gpsdata.skyview[st].elevation = @@ -606,10 +615,13 @@ static gps_mask_t sirf_msg_svinfo(struct gps_device_t *session, /* mark SBAS sats in use if SBAS was in use as of the last MID 27 */ for (i = 0; i < st; i++) { int prn = session->gpsdata.skyview[i].PRN; - if ( (prn >= 120 && prn <= 158) \ - && session->gpsdata.status == STATUS_DGPS_FIX \ - && session->driver.sirf.dgps_source == SIRF_DGPS_SOURCE_SBAS) + if ((120 <= prn && 158 >= prn) && + session->gpsdata.status == STATUS_DGPS_FIX && + session->driver.sirf.dgps_source == SIRF_DGPS_SOURCE_SBAS) { + /* used does not seem right, DGPS means got the correction + * data, not that the geometry was improved... */ session->gpsdata.skyview[i].used = true; + } } #ifdef TIMEHINT_ENABLE if (st < 3) { |