diff options
| author | Gary E. Miller <gem@rellim.com> | 2019-05-06 12:24:51 -0700 |
|---|---|---|
| committer | Gary E. Miller <gem@rellim.com> | 2019-05-06 12:24:51 -0700 |
| commit | 16bdab87537085e0d3f5bdc9e9aa495f7d1ede82 (patch) | |
| tree | dc867c3ee1ac9c3e94851c230408e55e661d0987 /gpsd_json.c | |
| parent | 41141c03a4cfa52e78f66557aefe6bbb41d651f5 (diff) | |
| download | gpsd-16bdab87537085e0d3f5bdc9e9aa495f7d1ede82.tar.gz | |
gpsd_json: Filter out PRN from SKY w/o Elevation and Azimuth
NMEA says to not report bad elevation and azimuth, so
follow that advice.
This only affects some u-blox 8 binary, and one odd GREIS regression.
Diffstat (limited to 'gpsd_json.c')
| -rw-r--r-- | gpsd_json.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gpsd_json.c b/gpsd_json.c index d6fa2ee0..053490d1 100644 --- a/gpsd_json.c +++ b/gpsd_json.c @@ -348,6 +348,13 @@ void json_sky_dump(const struct gps_data_t *datap, (void)strlcat(reply, "\"satellites\":[", replylen); for (i = 0; i < reported; i++) { if (datap->skyview[i].PRN) { + if (-90 > datap->skyview[i].elevation || + 90 < datap->skyview[i].elevation || + 0 > datap->skyview[i].azimuth || + 360 < datap->skyview[i].azimuth) { + /* do not report PRN w/o valid elevation and azimuth */ + continue; + } str_appendf(reply, replylen, "{\"PRN\":%d,\"el\":%d,\"az\":%d,\"ss\":%.0f,\"used\":%s", datap->skyview[i].PRN, |