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Move GPS blending from ekf2 to sensors module

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- new sensors work item that subscribes to N x sensor_gps and publishes vehicle_gps_position
 - blending is now configurable with SENS_GPS_MASK and SENS_GPS_TAU

Co-authored-by: Jacob Crabill <jacob@volans-i.com>
Co-authored-by: Jacob Dahl <dahl.jakejacob@gmail.com>
This commit is contained in:
Jacob Dahl
2020-09-25 23:28:31 -04:00
committed by GitHub
co-authored by Jacob Crabill Jacob Dahl
parent e792c46f20
commit a24488328f
27 changed files with 1147 additions and 861 deletions
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msg/sensor_gps.msg
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# GPS position in WGS84 coordinates.
# the field 'timestamp' is for the position & velocity (microseconds)
uint64 timestamp # time since system start (microseconds)
int32 lat # Latitude in 1E-7 degrees
int32 lon # Longitude in 1E-7 degrees
int32 alt # Altitude in 1E-3 meters above MSL, (millimetres)
int32 alt_ellipsoid # Altitude in 1E-3 meters bove Ellipsoid, (millimetres)
float32 s_variance_m_s # GPS speed accuracy estimate, (metres/sec)
float32 c_variance_rad # GPS course accuracy estimate, (radians)
uint8 fix_type # 0-1: no fix, 2: 2D fix, 3: 3D fix, 4: RTCM code differential, 5: Real-Time Kinematic, float, 6: Real-Time Kinematic, fixed, 8: Extrapolated. Some applications will not use the value of this field unless it is at least two, so always correctly fill in the fix.
float32 eph # GPS horizontal position accuracy (metres)
float32 epv # GPS vertical position accuracy (metres)
float32 hdop # Horizontal dilution of precision
float32 vdop # Vertical dilution of precision
int32 noise_per_ms # GPS noise per millisecond
int32 jamming_indicator # indicates jamming is occurring
float32 vel_m_s # GPS ground speed, (metres/sec)
float32 vel_n_m_s # GPS North velocity, (metres/sec)
float32 vel_e_m_s # GPS East velocity, (metres/sec)
float32 vel_d_m_s # GPS Down velocity, (metres/sec)
float32 cog_rad # Course over ground (NOT heading, but direction of movement), -PI..PI, (radians)
bool vel_ned_valid # True if NED velocity is valid
int32 timestamp_time_relative # timestamp + timestamp_time_relative = Time of the UTC timestamp since system start, (microseconds)
uint64 time_utc_usec # Timestamp (microseconds, UTC), this is the timestamp which comes from the gps module. It might be unavailable right after cold start, indicated by a value of 0
uint8 satellites_used # Number of satellites used
float32 heading # heading angle of XYZ body frame rel to NED. Set to NaN if not available and updated (used for dual antenna GPS), (rad, [-PI, PI])
float32 heading_offset # heading offset of dual antenna array in body frame. Set to NaN if not applicable. (rad, [-PI, PI])