PX4 parameter group: System

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

Metric	Count
Parameters	23
`FLOAT`	1
`INT32`	22
`Standard`	23
`System`	0
`Developer`	0
Reboot required	7
`volatile`	0

Parameters

PX4 Parameter	Command type	Category	Type	Default	Range	Unit	Shape	Reboot	Volatile	PX4 short description
`SYS_AUTOCONFIG`	`px4.parameter.sys_autoconfig.set`	Standard	Int32	0	-	-	enum 2	no	no	Automatically configure default values
`SYS_AUTOSTART`	`px4.parameter.sys_autostart.set`	Standard	Int32	0	0..9999999	-	-	yes	no	Auto-start script index
`SYS_BL_UPDATE`	`px4.parameter.sys_bl_update.set`	Standard	Int32	0	-	-	enum 2	yes	no	Bootloader update
`SYS_CAL_ACCEL`	`px4.parameter.sys_cal_accel.set`	Standard	Int32	0	0..1	-	-	no	no	Auto start accel thermal calibration on next boot
`SYS_CAL_BARO`	`px4.parameter.sys_cal_baro.set`	Standard	Int32	0	0..1	-	-	no	no	Auto start baro thermal calibration on next boot
`SYS_CAL_GYRO`	`px4.parameter.sys_cal_gyro.set`	Standard	Int32	0	0..1	-	-	no	no	Auto start gyro thermal calibration on next boot
`SYS_CAL_TDEL`	`px4.parameter.sys_cal_tdel.set`	Standard	Int32	24	>= 10	celcius	-	no	no	Required temperature rise during thermal calibration
`SYS_CAL_TMAX`	`px4.parameter.sys_cal_tmax.set`	Standard	Int32	10	-	celcius	-	no	no	Maximum starting temperature for thermal calibration
`SYS_CAL_TMIN`	`px4.parameter.sys_cal_tmin.set`	Standard	Int32	5	-	celcius	-	no	no	Minimum starting temperature for thermal calibration
`SYS_DM_BACKEND`	`px4.parameter.sys_dm_backend.set`	Standard	Int32	0	-	-	enum 3	yes	no	Dataman storage backend
`SYS_FAC_CAL_MODE`	`px4.parameter.sys_fac_cal_mode.set`	Standard	Int32	0	-	-	enum 3	no	no	Enable factory calibration mode
`SYS_FAILURE_EN`	`px4.parameter.sys_failure_en.set`	Standard	Int32	0	-	-	enum 2	no	no	Enable failure injection
`SYS_HAS_BARO`	`px4.parameter.sys_has_baro.set`	Standard	Int32	1	-	-	enum 2	yes	no	Control if the vehicle has a barometer
`SYS_HAS_GPS`	`px4.parameter.sys_has_gps.set`	Standard	Int32	1	-	-	enum 2	yes	no	Control if the vehicle has a GPS
`SYS_HAS_MAG`	`px4.parameter.sys_has_mag.set`	Standard	Int32	1	-	-	-	yes	no	Control if and how many magnetometers are expected
`SYS_HAS_NUM_ASPD`	`px4.parameter.sys_has_num_aspd.set`	Standard	Int32	0	0..1	-	-	no	no	Control if the vehicle has an airspeed sensor
`SYS_HAS_NUM_DIST`	`px4.parameter.sys_has_num_dist.set`	Standard	Int32	0	0..4	-	-	no	no	Number of distance sensors to check being available
`SYS_HAS_NUM_GNSS`	`px4.parameter.sys_has_num_gnss.set`	Standard	Int32	0	0..2	-	-	no	no	Control if and how many GNSS receivers are required
`SYS_HAS_NUM_OF`	`px4.parameter.sys_has_num_of.set`	Standard	Int32	0	0..1	-	-	no	no	Number of optical flow sensors required to be available
`SYS_HITL`	`px4.parameter.sys_hitl.set`	Standard	Int32	0	-	-	enum 4	yes	no	Enable HITL/SIH mode on next boot
`SYS_PARAM_VER`	`px4.parameter.sys_param_ver.set`	Standard	Int32	1	>= 0	-	-	no	no	Parameter version
`SYS_RGB_MAXBRT`	`px4.parameter.sys_rgb_maxbrt.set`	Standard	Float	1.0	-	%	-	no	no	RGB Led brightness limit
`SYS_STCK_EN`	`px4.parameter.sys_stck_en.set`	Standard	Int32	1	-	-	enum 2	no	no	Enable stack checking

​PX4 parameter group: System

​Parameters

PX4 parameter group: System

Parameters