# # Sensor readings in SI-unit form. # # These fields are scaled and offset-compensated where possible and do not # change with board revisions and sensor updates. # uint64 timestamp # time since system start (microseconds) int32 RELATIVE_TIMESTAMP_INVALID = 2147483647 # (0x7fffffff) If one of the relative timestamps is set to this value, it means the associated sensor values are invalid # gyro timstamp is equal to the timestamp of the message float32[3] gyro_rad # average angular rate measured in the XYZ body frame in rad/s over the last gyro sampling period uint32 gyro_integral_dt # gyro measurement sampling period in us int32 accelerometer_timestamp_relative # timestamp + accelerometer_timestamp_relative = Accelerometer timestamp float32[3] accelerometer_m_s2 # average value acceleration measured in the XYZ body frame in m/s/s over the last accelerometer sampling period uint32 accelerometer_integral_dt # accelerometer measurement sampling period in us