Oct 2, 2025: Parameter changes: FW_AT_SYSID_F1 20.f→10.f and FW_AT_SYSID_TYPE 0→1. · PX4 controller-parameter changelog (demo)

Oct 2, 2025 · 614e15d · 1 watched files, +2/−17

Parameter changes: FW_AT_SYSID_F1 20.f→10.f and FW_AT_SYSID_TYPE 0→1.

params

Parameter defaults changed: FW_AT_SYSID_F1: 20.f → 10.f (−50%) (in src/modules/fw_autotune_attitude_control/fw_autotune_attitude_control_params.c) and FW_AT_SYSID_TYPE: 0 → 1 (in src/modules/fw_autotune_attitude_control/fw_autotune_attitude_control_params.c).
Removed 1 parameter: FW_AT_SYSID_AMP.
Most activity in src/ (+2/−17).

Full analysis → Summary: automatic analysis

Changed values

Name	Old	New	Change	File	Extractor
`FW_AT_SYSID_F1`	`20.f`	`10.f`	−50%	src/modules/fw_autotune_attitude_control/fw_autotune_attitude_control_params.c	px4_param_define
`FW_AT_SYSID_TYPE`	`0`	`1`		src/modules/fw_autotune_attitude_control/fw_autotune_attitude_control_params.c	px4_param_define

Removed (1)

Name	Last value	Note
`FW_AT_SYSID_AMP`	`1.0`	removed from src/modules/fw_autotune_attitude_control/fw_autotune_attitude_control_params.c

Post text (X-ready, not posted)

PX4 update (Oct 2): FW_AT_SYSID_TYPE 0 → 1 - FW_AT_SYSID_F1 20.f → 10.f (2x lower) Details: https://fitzyracing1.github.io/knoblog/demo/px4/entries/614e15d.html Commit: https://github.com/PX4/PX4-Autopilot/commit/614e15d5f40af1d835096fcf7643570b6ec5bee5 Values are PX4 firmware defaults in the repo.

196/280 weighted chars

Modules touched

Module	Added	Modified	Removed	Lines +	Lines −
`src`	0	1	0	+2	−17

Watched files (1)

Show file list

	Path	Lines	Note
M	src/modules/fw_autotune_attitude_control/fw_autotune_attitude_control_params.c	+2/−17

Commit message

fw-autotune: detect and limit amplitude of ID maneuver Increases signal ampltiude on a 1Hz sin input until a target rate (R/P/Y = 0.8/0.5/0.5 rad/s) is reached. Identification signal is then scaled with this ampltitude instead of the user-defined parameter.