Files
PX4-Autopilot/docs/en/msg_docs/LaunchDetectionStatus.md
PX4BuildBot d965df930c docs: auto-sync metadata [skip ci]
Co-Authored-By: PX4 BuildBot <bot@px4.io>
2026-02-23 18:34:11 +00:00

2.8 KiB

pageClass
pageClass
is-wide-page

LaunchDetectionStatus (UORB message)

Status of the launch detection state machine (fixed-wing only).

TOPICS: launch_detection_status

Fields

Name Type Unit [Frame] Range/Enum Description
timestamp uint64 time since system start (microseconds)
launch_detection_state uint8
selected_control_surface_disarmed bool flag indicating whether selected actuators should kept disarmed (have to be configured in control allocation)

Constants

Name Type Value Description
STATE_WAITING_FOR_LAUNCH uint8 0 waiting for launch
STATE_LAUNCH_DETECTED_DISABLED_MOTOR uint8 1 launch detected, but keep motor(s) disabled (e.g. because it can't spin freely while on catapult)
STATE_FLYING uint8 2 launch detected, use normal takeoff/flying configuration

Source Message

Source file (GitHub)

::: details Click here to see original file

# Status of the launch detection state machine (fixed-wing only)

uint64 timestamp # time since system start (microseconds)

uint8 STATE_WAITING_FOR_LAUNCH 			= 0 # waiting for launch
uint8 STATE_LAUNCH_DETECTED_DISABLED_MOTOR 	= 1 # launch detected, but keep motor(s) disabled (e.g. because it can't spin freely while on catapult)
uint8 STATE_FLYING 				= 2 # launch detected, use normal takeoff/flying configuration

uint8 launch_detection_state

bool selected_control_surface_disarmed		# [-] flag indicating whether selected actuators should kept disarmed (have to be configured in control allocation)

:::