PX4-Autopilot/msg/sensors_status_imu.msg
Daniel Agar 0f411d6820
Multi-EKF support (ekf2)
- ekf2 can now run in multi-instance mode (currently up to 9 instances)
    - in multi mode all estimates are published to alternate topics (eg estimator_attitude instead of vehicle_attitude)
 - new ekf2 selector runs in multi-instance mode to monitor and compare all instances, selecting a primary (eg N x estimator_attitude => vehicle_attitude)
 - sensors module accel & gyro inconsistency checks are now relative to the mean of all instances, rather than the current primary (when active ekf2 selector is responsible for choosing primary accel & gyro)
 - existing consumers of estimator_status must check estimator_selector_status to select current primary instance status
 - ekf2 single instance mode is still fully supported and the default

Co-authored-by: Paul Riseborough <gncsolns@gmail.com>
2020-10-27 10:56:11 -04:00

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#
# Sensor check metrics. This will be zero for a sensor that's primary or unpopulated.
#
uint64 timestamp # time since system start (microseconds)
uint32 accel_device_id_primary # current primary accel device id for reference
uint32[4] accel_device_ids
float32[4] accel_inconsistency_m_s_s # magnitude of acceleration difference between IMU instance and mean in (m/s/s).
bool[4] accel_healthy
uint32 gyro_device_id_primary # current primary gyro device id for reference
uint32[4] gyro_device_ids
float32[4] gyro_inconsistency_rad_s # magnitude of angular rate difference between IMU instance and mean in (rad/s).
bool[4] gyro_healthy