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https://gitee.com/mirrors_PX4/PX4-Autopilot.git
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9ee8fa21cd
- .msg files are PascalCase - topics are still either per msg or explicitly listed in TOPICS - compatible structs are still generated (eg struct msg_s), but ROS2 style px4::msg::Msg is also available
42 lines
2.4 KiB
Plaintext
42 lines
2.4 KiB
Plaintext
# GPS position in WGS84 coordinates.
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# the field 'timestamp' is for the position & velocity (microseconds)
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uint64 timestamp # time since system start (microseconds)
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uint32 device_id # unique device ID for the sensor that does not change between power cycles
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int32 lat # Latitude in 1E-7 degrees
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int32 lon # Longitude in 1E-7 degrees
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int32 alt # Altitude in 1E-3 meters above MSL, (millimetres)
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int32 alt_ellipsoid # Altitude in 1E-3 meters bove Ellipsoid, (millimetres)
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float32 s_variance_m_s # GPS speed accuracy estimate, (metres/sec)
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float32 c_variance_rad # GPS course accuracy estimate, (radians)
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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.
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float32 eph # GPS horizontal position accuracy (metres)
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float32 epv # GPS vertical position accuracy (metres)
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float32 hdop # Horizontal dilution of precision
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float32 vdop # Vertical dilution of precision
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int32 noise_per_ms # GPS noise per millisecond
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uint16 automatic_gain_control # Automatic gain control monitor
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int32 jamming_indicator # indicates jamming is occurring
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uint8 jamming_state # indicates whether jamming has been detected or suspected by the receivers. O: Unknown, 1: OK, 2: Warning, 3: Critical
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float32 vel_m_s # GPS ground speed, (metres/sec)
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float32 vel_n_m_s # GPS North velocity, (metres/sec)
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float32 vel_e_m_s # GPS East velocity, (metres/sec)
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float32 vel_d_m_s # GPS Down velocity, (metres/sec)
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float32 cog_rad # Course over ground (NOT heading, but direction of movement), -PI..PI, (radians)
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bool vel_ned_valid # True if NED velocity is valid
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int32 timestamp_time_relative # timestamp + timestamp_time_relative = Time of the UTC timestamp since system start, (microseconds)
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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
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uint8 satellites_used # Number of satellites used
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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])
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float32 heading_offset # heading offset of dual antenna array in body frame. Set to NaN if not applicable. (rad, [-PI, PI])
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float32 heading_accuracy # heading accuracy (rad, [0, 2PI])
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