PX4-Autopilot/docs/en/msg_docs/ActuatorTest.md

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ActuatorTest (UORB message)

TOPICS: actuator_test

Fields

Name	Type	Unit [Frame]	Range/Enum	Description
timestamp	uint64			time since system start (microseconds)
action	uint8			one of ACTION_*
function	uint16			actuator output function
value	float32			range: [-1, 1], where 1 means maximum positive output,
timeout_ms	uint32			timeout in ms after which to exit test mode (if 0, do not time out)

Constants

Name	Type	Value	Description
ACTION_RELEASE_CONTROL	uint8	0	exit test mode for the given function
ACTION_DO_CONTROL	uint8	1	enable actuator test mode
FUNCTION_MOTOR1	uint8	101
MAX_NUM_MOTORS	uint8	12
FUNCTION_SERVO1	uint8	201
MAX_NUM_SERVOS	uint8	8
ORB_QUEUE_LENGTH	uint8	16	>= MAX_NUM_MOTORS to support code in esc_calibration

Source Message

Source file (GitHub)

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uint64 timestamp				# time since system start (microseconds)

# Topic to test individual actuator output functions

uint8 ACTION_RELEASE_CONTROL = 0	# exit test mode for the given function
uint8 ACTION_DO_CONTROL = 1			# enable actuator test mode

uint8 FUNCTION_MOTOR1 = 101
uint8 MAX_NUM_MOTORS  = 12
uint8 FUNCTION_SERVO1 = 201
uint8 MAX_NUM_SERVOS  = 8

uint8 action					# one of ACTION_*
uint16 function					# actuator output function
float32 value					# range: [-1, 1], where 1 means maximum positive output,
								# 0 to center servos or minimum motor thrust,
                   				# -1 maximum negative (if not supported by the motors, <0 maps to NaN),
                   				# and NaN maps to disarmed (stop the motors)
uint32 timeout_ms				# timeout in ms after which to exit test mode (if 0, do not time out)

uint8 ORB_QUEUE_LENGTH = 16                     # >= MAX_NUM_MOTORS to support code in esc_calibration

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