Ekf2Timestamps

this message contains the (relative) timestamps of the sensor inputs used by EKF2. It can be used for reproducible replay.

the timestamp field is the ekf2 reference time and matches the timestamp of the sensor_combined topic.

source file

# this message contains the (relative) timestamps of the sensor inputs used by EKF2.
# It can be used for reproducible replay.

# the timestamp field is the ekf2 reference time and matches the timestamp of
# the sensor_combined topic.

uint64 timestamp			 # time since system start (microseconds)

int16 RELATIVE_TIMESTAMP_INVALID = 32767 # (0x7fff) If one of the relative timestamps
                                         # is set to this value, it means the associated sensor values did not update

# timestamps are relative to the main timestamp and are in 0.1 ms (timestamp +
# *_timestamp_rel = absolute timestamp). For int16, this allows a maximum
# difference of +-3.2s to the sensor_combined topic.

int16 airspeed_timestamp_rel
int16 distance_sensor_timestamp_rel
int16 optical_flow_timestamp_rel
int16 vehicle_air_data_timestamp_rel
int16 vehicle_magnetometer_timestamp_rel
int16 visual_odometry_timestamp_rel

# Note: this is a high-rate logged topic, so it needs to be as small as possible

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