diff options
Diffstat (limited to 'recipes-navigation/gpsd/gpsd-3.23/0007-add-gll-vtg.patch')
| -rw-r--r-- | recipes-navigation/gpsd/gpsd-3.23/0007-add-gll-vtg.patch | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/recipes-navigation/gpsd/gpsd-3.23/0007-add-gll-vtg.patch b/recipes-navigation/gpsd/gpsd-3.23/0007-add-gll-vtg.patch new file mode 100644 index 0000000..777c0ca --- /dev/null +++ b/recipes-navigation/gpsd/gpsd-3.23/0007-add-gll-vtg.patch @@ -0,0 +1,74 @@ +From 596089b8582097c1f934a5d25035353f00118965 Mon Sep 17 00:00:00 2001 +From: Mykyta Dorokhin <mykyta.dorokhin@globallogic.com> +Date: Tue, 28 Dec 2021 15:56:07 +0200 +Subject: [PATCH] add GLL and VTG to 'gpspipe -r' output in binary mode + +--- + gpsd/pseudonmea.c | 37 +++++++++++++++++++++++++++++++++++++ + 1 file changed, 37 insertions(+) + +diff --git a/gpsd/pseudonmea.c b/gpsd/pseudonmea.c +index 2d63d0f..feb9867 100644 +--- a/gpsd/pseudonmea.c ++++ b/gpsd/pseudonmea.c +@@ -171,6 +171,21 @@ void gpsd_position_fix_dump(struct gps_device_t *session, + * Differential base station ID */ + (void)strlcat(bufp, ",", len); + nmea_add_checksum(bufp); ++ ++ //$GNGGA,103527.00,4957.22994,N,03618.97862,E,1,12,0.89,180.3,M,17.0,M,,*4B ++ //$GNGLL,4957.22997,N,03618.97858,E,103526.00,A,A*7B ++ //we use the same values as in GGA sentence ++ char *bufgll = &bufp[strlen(bufp)]; ++ (void)snprintf(bufgll, len, ++ "$GPGLL,%s,%c,%s,%c,%s,%c,A,", ++ lat_str, ++ ((session->gpsdata.fix.latitude > 0) ? 'N' : 'S'), ++ lon_str, ++ ((session->gpsdata.fix.longitude > 0) ? 'E' : 'W'), ++ time_str, ++ ((fixquality != FIX_QUALITY_INVALID) ? 'A' : 'V') ++ ); ++ nmea_add_checksum(bufgll); + } + } + +@@ -183,6 +198,7 @@ static void gpsd_transit_fix_dump(struct gps_device_t *session, + char lat_str[BUF_SZ]; + char lon_str[BUF_SZ]; + char speed_str[BUF_SZ]; ++ char kspeed_str[BUF_SZ]; + char track_str[BUF_SZ]; + char var_str[BUF_SZ]; + char *var_dir = ""; +@@ -231,6 +247,27 @@ static void gpsd_transit_fix_dump(struct gps_device_t *session, + time2_str, + var_str, var_dir); + nmea_add_checksum(bufp); ++ ++ //$GNRMC,114740.00,A,4957.22826,N,03618.97015,E,0.054,,091220,,,A*65 ++ //$GNVTG,,T,,M,0.054,N,0.100,K,A*3D ++ //1 = Track made good ++ //2 = Fixed text 'T' indicates that track made good is relative to true north ++ //3 = Track made good, degrees Magnetic ++ //4 = Magnetic track indicator - 'M' ++ //5 = Speed over ground in knots ++ //6 = Fixed text 'N' indicates that speed over ground in in knots ++ //7 = Speed over ground in kilometers/hour ++ //8 = Fixed text 'K' indicates that speed over ground is in kilometers/hour ++ //we use the same values as in RMC sentence ++ char *bufvtg = &bufp[strlen(bufp)]; ++ (void)snprintf(bufvtg, len, ++ "$GPVTG,%s,T,%s,M,%s,N,%s,K,A,", ++ track_str, ++ track_str,//it is not Magnetic track, but may be it is enough ++ speed_str, ++ f_str(session->gpsdata.fix.speed, "%.4f", kspeed_str) ++ ); ++ nmea_add_checksum(bufvtg); + } + + static void gpsd_binary_satellite_dump(struct gps_device_t *session, +-- +2.25.1 + |