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

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UavcanParameterRequest (UORB message)

UAVCAN-MAVLink parameter bridge request type.

TOPICS: uavcan_parameter_request

Fields

Name	Type	Unit [Frame]	Range/Enum	Description
timestamp	uint64			time since system start (microseconds)
message_type	uint8			MAVLink message type: PARAM_REQUEST_READ, PARAM_REQUEST_LIST, PARAM_SET
node_id	uint8			UAVCAN node ID mapped from MAVLink component ID
param_id	char[17]			MAVLink/UAVCAN parameter name
param_index	int16			-1 if the param_id field should be used as identifier
param_type	uint8			MAVLink parameter type
int_value	int64			current value if param_type is int-like
real_value	float32			current value if param_type is float-like

Constants

Name	Type	Value	Description
MESSAGE_TYPE_PARAM_REQUEST_READ	uint8	20	MAVLINK_MSG_ID_PARAM_REQUEST_READ
MESSAGE_TYPE_PARAM_REQUEST_LIST	uint8	21	MAVLINK_MSG_ID_PARAM_REQUEST_LIST
MESSAGE_TYPE_PARAM_SET	uint8	23	MAVLINK_MSG_ID_PARAM_SET
NODE_ID_ALL	uint8	0	MAV_COMP_ID_ALL
PARAM_TYPE_UINT8	uint8	1	MAV_PARAM_TYPE_UINT8
PARAM_TYPE_INT64	uint8	8	MAV_PARAM_TYPE_INT64
PARAM_TYPE_REAL32	uint8	9	MAV_PARAM_TYPE_REAL32
ORB_QUEUE_LENGTH	uint8	4

Source Message

Source file (GitHub)

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# UAVCAN-MAVLink parameter bridge request type
uint64 timestamp		# time since system start (microseconds)

uint8 MESSAGE_TYPE_PARAM_REQUEST_READ = 20	# MAVLINK_MSG_ID_PARAM_REQUEST_READ
uint8 MESSAGE_TYPE_PARAM_REQUEST_LIST = 21	# MAVLINK_MSG_ID_PARAM_REQUEST_LIST
uint8 MESSAGE_TYPE_PARAM_SET = 23		# MAVLINK_MSG_ID_PARAM_SET
uint8 message_type				# MAVLink message type: PARAM_REQUEST_READ, PARAM_REQUEST_LIST, PARAM_SET

uint8 NODE_ID_ALL = 0		# MAV_COMP_ID_ALL
uint8 node_id			# UAVCAN node ID mapped from MAVLink component ID

char[17] param_id		# MAVLink/UAVCAN parameter name
int16 param_index		# -1 if the param_id field should be used as identifier

uint8 PARAM_TYPE_UINT8 = 1	# MAV_PARAM_TYPE_UINT8
uint8 PARAM_TYPE_INT64 = 8	# MAV_PARAM_TYPE_INT64
uint8 PARAM_TYPE_REAL32 = 9	# MAV_PARAM_TYPE_REAL32
uint8 param_type		# MAVLink parameter type

int64 int_value			# current value if param_type is int-like
float32 real_value		# current value if param_type is float-like

uint8 ORB_QUEUE_LENGTH = 4

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