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

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Event (UORB message)

Events interface.

TOPICS: event

Fields

Name	Type	Unit [Frame]	Range/Enum	Description
timestamp	uint64			time since system start (microseconds)
id	uint32			Event ID
event_sequence	uint16			Event sequence number
arguments	uint8[25]			(optional) arguments, depend on event id
log_levels	uint8			Log levels: 4 bits MSB: internal, 4 bits LSB: external

Constants

Name	Type	Value	Description
MESSAGE_VERSION	uint32	1
ORB_QUEUE_LENGTH	uint8	16

Source Message

Source file (GitHub)

::: details Click here to see original file

# Events interface
uint32 MESSAGE_VERSION = 1

uint64 timestamp			# time since system start (microseconds)

uint32 id                   # Event ID
uint16 event_sequence       # Event sequence number
uint8[25] arguments         # (optional) arguments, depend on event id

uint8 log_levels            # Log levels: 4 bits MSB: internal, 4 bits LSB: external

uint8 ORB_QUEUE_LENGTH = 16

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