PX4 parameter group: MAVLink

This page lists named parameter set commands in the PX4 MAVLink group. All commands use PARAM_SET and are governed by PX4_COMMAND_MODE, operator guard, and PX4_PARAMETER_WRITE_ALLOWLIST.

Metric	Count
Parameters	39
`FLOAT`	3
`INT32`	36
`Standard`	39
`System`	0
`Developer`	0
Reboot required	28
`volatile`	0

Parameters

PX4 Parameter	Command type	Category	Type	Default	Range	Unit	Shape	Reboot	Volatile	PX4 short description
`MAV_0_BROADCAST`	`px4.parameter.mav_0_broadcast.set`	Standard	Int32	1	-	-	enum 3	no	no	Broadcast heartbeats on local network for MAVLink instance 0
`MAV_0_FLOW_CTRL`	`px4.parameter.mav_0_flow_ctrl.set`	Standard	Int32	2	-	-	enum 3	yes	no	Enable serial flow control for instance 0
`MAV_0_FORWARD`	`px4.parameter.mav_0_forward.set`	Standard	Int32	1	-	-	enum 2	yes	no	Enable MAVLink Message forwarding for instance 0
`MAV_0_HL_FREQ`	`px4.parameter.mav_0_hl_freq.set`	Standard	Float	0.015	0.0..50.0	Hz	-	yes	no	Configures the frequency of HIGH_LATENCY2 stream for instance 0
`MAV_0_MODE`	`px4.parameter.mav_0_mode.set`	Standard	Int32	0	-	-	enum 12	yes	no	MAVLink Mode for instance 0
`MAV_0_RADIO_CTL`	`px4.parameter.mav_0_radio_ctl.set`	Standard	Int32	1	-	-	enum 2	yes	no	Enable software throttling of mavlink on instance 0
`MAV_0_RATE`	`px4.parameter.mav_0_rate.set`	Standard	Int32	1200	>= 0	B/s	-	yes	no	Maximum MAVLink sending rate for instance 0
`MAV_0_REMOTE_PRT`	`px4.parameter.mav_0_remote_prt.set`	Standard	Int32	14550	-	-	-	yes	no	MAVLink Remote Port for instance 0
`MAV_0_UDP_PRT`	`px4.parameter.mav_0_udp_prt.set`	Standard	Int32	14556	-	-	-	yes	no	MAVLink Network Port for instance 0
`MAV_1_BROADCAST`	`px4.parameter.mav_1_broadcast.set`	Standard	Int32	0	-	-	enum 3	no	no	Broadcast heartbeats on local network for MAVLink instance 1
`MAV_1_FLOW_CTRL`	`px4.parameter.mav_1_flow_ctrl.set`	Standard	Int32	2	-	-	enum 3	yes	no	Enable serial flow control for instance 1
`MAV_1_FORWARD`	`px4.parameter.mav_1_forward.set`	Standard	Int32	0	-	-	enum 2	yes	no	Enable MAVLink Message forwarding for instance 1
`MAV_1_HL_FREQ`	`px4.parameter.mav_1_hl_freq.set`	Standard	Float	0.015	0.0..50.0	Hz	-	yes	no	Configures the frequency of HIGH_LATENCY2 stream for instance 1
`MAV_1_MODE`	`px4.parameter.mav_1_mode.set`	Standard	Int32	2	-	-	enum 12	yes	no	MAVLink Mode for instance 1
`MAV_1_RADIO_CTL`	`px4.parameter.mav_1_radio_ctl.set`	Standard	Int32	1	-	-	enum 2	yes	no	Enable software throttling of mavlink on instance 1
`MAV_1_RATE`	`px4.parameter.mav_1_rate.set`	Standard	Int32	0	>= 0	B/s	-	yes	no	Maximum MAVLink sending rate for instance 1
`MAV_1_REMOTE_PRT`	`px4.parameter.mav_1_remote_prt.set`	Standard	Int32	0	-	-	-	yes	no	MAVLink Remote Port for instance 1
`MAV_1_UDP_PRT`	`px4.parameter.mav_1_udp_prt.set`	Standard	Int32	0	-	-	-	yes	no	MAVLink Network Port for instance 1
`MAV_2_BROADCAST`	`px4.parameter.mav_2_broadcast.set`	Standard	Int32	0	-	-	enum 3	no	no	Broadcast heartbeats on local network for MAVLink instance 2
`MAV_2_FLOW_CTRL`	`px4.parameter.mav_2_flow_ctrl.set`	Standard	Int32	2	-	-	enum 3	yes	no	Enable serial flow control for instance 2
`MAV_2_FORWARD`	`px4.parameter.mav_2_forward.set`	Standard	Int32	0	-	-	enum 2	yes	no	Enable MAVLink Message forwarding for instance 2
`MAV_2_HL_FREQ`	`px4.parameter.mav_2_hl_freq.set`	Standard	Float	0.015	0.0..50.0	Hz	-	yes	no	Configures the frequency of HIGH_LATENCY2 stream for instance 2
`MAV_2_MODE`	`px4.parameter.mav_2_mode.set`	Standard	Int32	0	-	-	enum 12	yes	no	MAVLink Mode for instance 2
`MAV_2_RADIO_CTL`	`px4.parameter.mav_2_radio_ctl.set`	Standard	Int32	1	-	-	enum 2	yes	no	Enable software throttling of mavlink on instance 2
`MAV_2_RATE`	`px4.parameter.mav_2_rate.set`	Standard	Int32	0	>= 0	B/s	-	yes	no	Maximum MAVLink sending rate for instance 2
`MAV_2_REMOTE_PRT`	`px4.parameter.mav_2_remote_prt.set`	Standard	Int32	0	-	-	-	yes	no	MAVLink Remote Port for instance 2
`MAV_2_UDP_PRT`	`px4.parameter.mav_2_udp_prt.set`	Standard	Int32	0	-	-	-	yes	no	MAVLink Network Port for instance 2
`MAV_COMP_ID`	`px4.parameter.mav_comp_id.set`	Standard	Int32	1	1..250	-	-	yes	no	MAVLink component ID
`MAV_FWDEXTSP`	`px4.parameter.mav_fwdextsp.set`	Standard	Int32	1	-	-	enum 2	no	no	Forward external setpoint messages
`MAV_HASH_CHK_EN`	`px4.parameter.mav_hash_chk_en.set`	Standard	Int32	1	-	-	enum 2	no	no	Parameter hash check
`MAV_HB_FORW_EN`	`px4.parameter.mav_hb_forw_en.set`	Standard	Int32	1	-	-	enum 2	no	no	Heartbeat message forwarding
`MAV_PROTO_VER`	`px4.parameter.mav_proto_ver.set`	Standard	Int32	2	-	-	enum 2	no	no	MAVLink protocol version
`MAV_RADIO_TOUT`	`px4.parameter.mav_radio_tout.set`	Standard	Int32	5	1..250	s	-	no	no	Timeout in seconds for the RADIO_STATUS reports coming in
`MAV_SIK_RADIO_ID`	`px4.parameter.mav_sik_radio_id.set`	Standard	Int32	0	-1..240	-	-	no	no	MAVLink SiK Radio ID
`MAV_SYS_ID`	`px4.parameter.mav_sys_id.set`	Standard	Int32	1	1..250	-	-	yes	no	MAVLink system ID
`MAV_S_FORWARD`	`px4.parameter.mav_s_forward.set`	Standard	Int32	0	-	-	enum 2	yes	no	Enable MAVLink forwarding on TELEM2
`MAV_S_MODE`	`px4.parameter.mav_s_mode.set`	Standard	Int32	11	-	-	enum 6	yes	no	MAVLink Mode for SOM to FMU communication channel
`MAV_TYPE`	`px4.parameter.mav_type.set`	Standard	Int32	0	0..23	-	enum 18	no	no	MAVLink airframe type
`MAV_USEHILGPS`	`px4.parameter.mav_usehilgps.set`	Standard	Int32	0	-	-	enum 2	no	no	Use/Accept HIL GPS message even if not in HIL mode

​PX4 parameter group: MAVLink

​Parameters

PX4 parameter group: MAVLink

Parameters