:::note This list is auto-generated from the source code. :::
This topic lists the UORB messages available in PX4 (some of which may be may be shared by the PX4-ROS 2 Bridge). Graphs showing how these are used can be found here.
- action_request
- actuator_armed
- actuator_controls
- actuator_controls_status
- actuator_motors — Motor control message
- actuator_outputs
- actuator_servos — Servo control message
- actuator_servos_trim — Servo trims, added as offset to servo outputs
- actuator_test
- adc_report
- airspeed
- airspeed_validated
- airspeed_wind
- autotune_attitude_control_status
- battery_status
- button_event
- camera_capture
- camera_status
- camera_trigger
- cellular_status
- collision_constraints — Local setpoint constraints in NED frame setting something to NaN means that no limit is provided
- collision_report
- commander_state — Main state, i.e. what user wants. Controlled by RC or from ground station via telemetry link.
- control_allocator_status
- cpuload
- debug_array
- debug_key_value
- debug_value
- debug_vect
- differential_pressure
- distance_sensor — DISTANCE_SENSOR message data
- ekf2_timestamps — this message contains the (relative) timestamps of the sensor inputs used by EKF2. It can be used for reproducible replay.
- esc_report
- esc_status
- estimator_aid_source_1d
- estimator_aid_source_2d
- estimator_aid_source_3d
- estimator_baro_bias
- estimator_event_flags
- estimator_gps_status
- estimator_innovations
- estimator_selector_status
- estimator_sensor_bias — Sensor readings and in-run biases in SI-unit form. Sensor readings are compensated for static offsets, scale errors, in-run bias and thermal drift (if thermal compensation is enabled and available).
- estimator_states
- estimator_status
- estimator_status_flags
- event — Events interface
- failure_detector_status
- follow_target
- follow_target_estimator
- follow_target_status
- generator_status
- geofence_result
- gimbal_device_attitude_status
- gimbal_device_information
- gimbal_device_set_attitude
- gimbal_manager_information
- gimbal_manager_set_attitude
- gimbal_manager_set_manual_control
- gimbal_manager_status
- gps_dump — This message is used to dump the raw gps communication to the log. Set the parameter GPS_DUMP_COMM to 1 to use this.
- gps_inject_data
- heater_status
- home_position — GPS home position in WGS84 coordinates.
- hover_thrust_estimate
- input_rc
- internal_combustion_engine_status
- iridiumsbd_status
- irlock_report — IRLOCK_REPORT message data
- landing_gear
- landing_target_innovations
- landing_target_pose — Relative position of precision land target in navigation (body fixed, north aligned, NED) and inertial (world fixed, north aligned, NED) frames
- led_control — LED control: control a single or multiple LED's. These are the externally visible LED's, not the board LED's
- log_message — A logging message, output with PX4_{WARN,ERR,INFO}
- logger_status
- mag_worker_data
- magnetometer_bias_estimate
- manual_control_setpoint
- manual_control_switches
- mavlink_log
- mavlink_tunnel — MAV_TUNNEL_PAYLOAD_TYPE enum
- mission
- mission_result
- mount_orientation
- navigator_mission_item
- npfg_status
- obstacle_distance — Obstacle distances in front of the sensor.
- offboard_control_mode — Off-board control mode
- onboard_computer_status — ONBOARD_COMPUTER_STATUS message data
- orb_test
- orb_test_large
- orb_test_medium
- orbit_status — ORBIT_YAW_BEHAVIOUR
- parameter_update — This message is used to notify the system about one or more parameter changes
- ping
- position_controller_landing_status
- position_controller_status
- position_setpoint — this file is only used in the position_setpoint triple as a dependency
- position_setpoint_triplet — Global position setpoint triplet in WGS84 coordinates. This are the three next waypoints (or just the next two or one).
- power_button_state — power button state notification message
- power_monitor — power monitor message
- pps_capture
- pwm_input
- px4io_status
- radio_status
- rate_ctrl_status
- rc_channels
- rc_parameter_map
- rpm
- rtl_time_estimate
- satellite_info
- sensor_accel
- sensor_accel_fifo
- sensor_baro
- sensor_combined — 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.
- sensor_correction — Sensor corrections in SI-unit form for the voted sensor
- sensor_gnss_relative — GNSS relative positioning information in NED frame. The NED frame is defined as the local topological system at the reference station.
- sensor_gps — GPS position in WGS84 coordinates. the field 'timestamp' is for the position & velocity (microseconds)
- sensor_gyro
- sensor_gyro_fft
- sensor_gyro_fifo
- sensor_hygrometer
- sensor_mag
- sensor_optical_flow
- sensor_preflight_mag — Pre-flight sensor check metrics. The topic will not be updated when the vehicle is armed
- sensor_selection — Sensor ID's for the voted sensors output on the sensor_combined topic. Will be updated on startup of the sensor module and when sensor selection changes
- sensors_status — Sensor check metrics. This will be zero for a sensor that's primary or unpopulated.
- sensors_status_imu — Sensor check metrics. This will be zero for a sensor that's primary or unpopulated.
- system_power
- takeoff_status — Status of the takeoff state machine currently just available for multicopters
- task_stack_info — stack information for a single running process
- tecs_status
- telemetry_status
- test_motor
- timesync
- timesync_status
- trajectory_bezier — Bezier Trajectory description. See also Mavlink TRAJECTORY msg The topic trajectory_bezier describe each waypoint defined in vehicle_trajectory_bezier
- trajectory_setpoint — Trajectory setpoint in NED frame Input to PID position controller. Needs to be kinematically consistent and feasible for smooth flight. setting a value to NaN means the state should not be controlled
- trajectory_waypoint — Waypoint Trajectory description. See also Mavlink TRAJECTORY msg The topic trajectory_waypoint describe each waypoint defined in vehicle_trajectory_waypoint
- transponder_report
- tune_control — This message is used to control the tunes, when the tune_id is set to CUSTOM then the frequency, duration are used otherwise those values are ignored.
- uavcan_parameter_request — UAVCAN-MAVLink parameter bridge request type
- uavcan_parameter_value — UAVCAN-MAVLink parameter bridge response type
- ulog_stream — Message to stream ULog data from the logger. Corresponds to the LOGGING_DATA mavlink message
- ulog_stream_ack — Ack a previously sent ulog_stream message that had the NEED_ACK flag set
- uwb_distance — UWB distance contains the distance information measured by an ultra-wideband positioning system, such as Pozyx or NXP Rddrone.
- uwb_grid — UWB report message contains the grid information measured by an ultra-wideband positioning system, such as Pozyx or NXP Rddrone.
- vehicle_acceleration
- vehicle_air_data
- vehicle_angular_acceleration
- vehicle_angular_acceleration_setpoint
- vehicle_angular_velocity
- vehicle_attitude — This is similar to the mavlink message ATTITUDE_QUATERNION, but for onboard use
- vehicle_attitude_setpoint
- vehicle_command — Vehicle Command uORB message. Used for commanding a mission / action / etc. Follows the MAVLink COMMAND_INT / COMMAND_LONG definition
- vehicle_command_ack — Vehicle Command Ackonwledgement uORB message. Used for acknowledging the vehicle command being received. Follows the MAVLink COMMAND_ACK message definition
- vehicle_constraints — Local setpoint constraints in NED frame setting something to NaN means that no limit is provided
- vehicle_control_mode
- vehicle_global_position — Fused global position in WGS84. This struct contains global position estimation. It is not the raw GPS measurement (@see vehicle_gps_position). This topic is usually published by the position estimator, which will take more sources of information into account than just GPS, e.g. control inputs of the vehicle in a Kalman-filter implementation.
- vehicle_imu — IMU readings in SI-unit form.
- vehicle_imu_status
- vehicle_land_detected
- vehicle_local_position — Fused local position in NED. The coordinate system origin is the vehicle position at the time when the EKF2-module was started.
- vehicle_local_position_setpoint — Local position setpoint in NED frame Telemetry of PID position controller to monitor tracking. NaN means the state was not controlled
- vehicle_magnetometer
- vehicle_odometry — Vehicle odometry data. Fits ROS REP 147 for aerial vehicles
- vehicle_optical_flow — Optical flow in XYZ body frame in SI units.
- vehicle_optical_flow_vel
- vehicle_rates_setpoint
- vehicle_roi — Vehicle Region Of Interest (ROI)
- vehicle_status — Encodes the system state of the vehicle published by commander
- vehicle_status_flags — This is a struct used by the commander internally.
- vehicle_thrust_setpoint
- vehicle_torque_setpoint
- vehicle_trajectory_bezier — Vehicle Waypoints Trajectory description. See also MAVLink MAV_TRAJECTORY_REPRESENTATION msg The topic vehicle_trajectory_bezier is used to send a smooth flight path from the companion computer / avoidance module to the position controller.
- vehicle_trajectory_waypoint — Vehicle Waypoints Trajectory description. See also MAVLink MAV_TRAJECTORY_REPRESENTATION msg The topic vehicle_trajectory_waypoint_desired is used to send the user desired waypoints from the position controller to the companion computer / avoidance module. The topic vehicle_trajectory_waypoint is used to send the adjusted waypoints from the companion computer / avoidance module to the position controller.
- vtol_vehicle_status — VEHICLE_VTOL_STATE, should match 1:1 MAVLinks's MAV_VTOL_STATE
- wheel_encoders
- wind
- yaw_estimator_status