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homing.cfg
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# WARNING: DO NOT EDIT THIS FILE
# To override settings from this file, you can copy and paste the relevant
# sections into your printer.cfg and change it there.
[ratos_homing]
axes: xyz
z_hop: 15
z_hop_speed: 15
gcode:
{% set x_homed = 'x' in printer.toolhead.homed_axes %}
{% set y_homed = 'y' in printer.toolhead.homed_axes %}
{% set safe_home_x = printer["gcode_macro RatOS"].safe_home_x %}
{% set safe_home_y = printer["gcode_macro RatOS"].safe_home_y %}
{% if safe_home_x is not defined or safe_home_x|lower == 'middle' %}
{% set safe_home_x = printer.toolhead.axis_maximum.x / 2 %}
{% endif %}
{% if safe_home_y is not defined or safe_home_y|lower == 'middle' %}
{% set safe_home_y = printer.toolhead.axis_maximum.y / 2 %}
{% endif %}
{% set z_probe = printer["gcode_macro RatOS"].z_probe|lower %}
{% set speed = printer["gcode_macro RatOS"].macro_travel_speed|float * 60 %}
{% set z_speed = printer["gcode_macro RatOS"].macro_z_speed|float * 60 %}
{% set z_hop = printer.configfile.config.ratos_homing.z_hop|float %}
{% set z_hop_speed = printer.configfile.config.ratos_homing.z_hop_speed|float * 60 %}
{% set homing_x = printer["gcode_macro RatOS"].homing_x|lower %}
{% set homing_y = printer["gcode_macro RatOS"].homing_y|lower %}
{% set homing = printer["gcode_macro RatOS"].homing|lower %}
{% set prev_stop_on_error = printer["gcode_macro RatOS"].stowable_probe_stop_on_error %}
# Make stowable probe assertion failures cause an emergency stop
SET_GCODE_VARIABLE MACRO=RatOS VARIABLE=stowable_probe_stop_on_error VALUE=True
M400 # Wait for moves to finish
G90 # Absolute positioning
{% if params.X is defined or params.Y is not defined and params.Z is not defined %}
RESPOND MSG="Homing X"
{% if homing_x == 'endstop' or homing == 'endstops' %}
G28 X
{% elif homing_x == 'sensorless' or homing == 'sensorless' %}
HOME_X_SENSORLESS
{% else %}
{ action_emergency_stop("expected RatOS variable_homing_x to be 'sensorless' 'endstop' or variable_homing to be 'sensorless' or 'endstops' but found {} and {}".format(homing_x, homing)) }
{% endif %}
{% set x_homed = True %}
G0 X{safe_home_x} F{speed}
M400 # Wait for moves to finish
{% endif %}
{% if params.Y is defined or params.X is not defined and params.Z is not defined %}
RESPOND MSG="Homing Y"
{% if homing_y == 'endstop' or homing == 'endstops' %}
G28 Y
{% elif homing_y == 'sensorless' or homing == 'sensorless' %}
HOME_Y_SENSORLESS
{% else %}
{ action_emergency_stop("expected RatOS variable_homing_y to be 'sensorless' 'endstop' or variable_homing to be 'sensorless' or 'endstops' but found {} and {}".format(homing_y, homing)) }
{% endif %}
{% set y_homed = True %}
G0 Y{safe_home_y} F{speed}
M400 # Wait for moves to finish
{% endif %}
{% if params.Z is defined or params.Y is not defined and params.X is not defined %}
RESPOND MSG="Homing Z"
{% if x_homed == False or y_homed == False %}
M118 X and Y must be homed before homing Z
{ action_emergency_stop("X and Y must be homed before homing Z") }
{% else %}
{% if z_probe == "stowable" %}
DEPLOY_PROBE
G0 X{safe_home_x} Y{safe_home_y} F{speed}
G28 Z
G0 Z{z_hop} F{z_hop_speed}
STOW_PROBE
{% else %}
G0 X{safe_home_x} Y{safe_home_y} F{speed}
G28 Z
G0 Z{z_hop} F{z_hop_speed}
{% endif %}
{% endif %}
{% endif %}
# Reset stowable probe stop on error state
SET_GCODE_VARIABLE MACRO=RatOS VARIABLE=stowable_probe_stop_on_error VALUE={prev_stop_on_error}
[gcode_macro HOME_X_SENSORLESS]
gcode:
{% set speed = printer["gcode_macro RatOS"].macro_travel_speed|float * 60 %}
{% set x_driver = printer["gcode_macro RatOS"].driver_type_x|lower ~ " stepper_x" %}
{% set y_driver = printer["gcode_macro RatOS"].driver_type_y|lower ~ " stepper_y" %}
{% set safe_home_x = printer["gcode_macro RatOS"].safe_home_x %}
{% if safe_home_x is not defined or safe_home_x|lower == 'middle' %}
{% set safe_home_x = printer.toolhead.axis_maximum.x / 2 %}
{% endif %}
M204 S1000 # Set homing acceleration (important!)
SET_TMC_CURRENT STEPPER=stepper_x CURRENT={printer["gcode_macro RatOS"].sensorless_x_current}
SET_TMC_CURRENT STEPPER=stepper_y CURRENT={printer["gcode_macro RatOS"].sensorless_x_current}
G4 P300 # Wait for currents to settle
G28 X
SET_TMC_CURRENT STEPPER=stepper_x CURRENT={printer.configfile.config[x_driver].run_current}
SET_TMC_CURRENT STEPPER=stepper_y CURRENT={printer.configfile.config[y_driver].run_current}
G4 P300 # Wait for currents to settle
# Restore acceleration
M204 S{printer.configfile.config.printer.max_accel}
[gcode_macro HOME_Y_SENSORLESS]
gcode:
{% set safe_home_y = printer["gcode_macro RatOS"].safe_home_y %}
{% set x_driver = printer["gcode_macro RatOS"].driver_type_x|lower ~ " stepper_x" %}
{% set y_driver = printer["gcode_macro RatOS"].driver_type_y|lower ~ " stepper_y" %}
{% if safe_home_y is not defined or safe_home_y|lower == 'middle' %}
{% set safe_home_y = printer.toolhead.axis_maximum.y / 2 %}
{% endif %}
{% set speed = printer["gcode_macro RatOS"].macro_travel_speed|float * 60 %}
M204 S1000 # Set homing acceleration (important!)
SET_TMC_CURRENT STEPPER=stepper_x CURRENT={printer["gcode_macro RatOS"].sensorless_y_current}
SET_TMC_CURRENT STEPPER=stepper_y CURRENT={printer["gcode_macro RatOS"].sensorless_y_current}
G4 P300 # Wait for currents to settle
G28 Y
SET_TMC_CURRENT STEPPER=stepper_x CURRENT={printer.configfile.config[x_driver].run_current}
SET_TMC_CURRENT STEPPER=stepper_y CURRENT={printer.configfile.config[y_driver].run_current}
G4 P300 # Wait for currents to settle
# Restore acceleration
M204 S{printer.configfile.config.printer.max_accel}
[gcode_macro MAYBE_HOME]
description: Only home unhomed axis
variable_is_kinematic_position_overriden: False
gcode:
{% if printer["gcode_macro MAYBE_HOME"].is_kinematic_position_overriden|lower == 'true' %}
RESPOND MSG="SET_CENTER_KINEMATIC_POSITION has been abused. Homing all axes. Please refrain from using SET_CENTER_KINEMATIC_POSITION outside of debugging purposes."
G28
SET_GCODE_VARIABLE MACRO=MAYBE_HOME VARIABLE=is_kinematic_position_overriden VALUE=False
{% else %}
{% set axes = '' %}
{% set isHomed = true %}
{% set axesToHome = '' %}
{% if params.X is defined %}
{% set axes = axes ~ 'X ' %}
{% if 'x' not in printer.toolhead.homed_axes %}
{% set isHomed = false %}
{% set axesToHome = axesToHome ~ 'X ' %}
{% endif %}
{% endif %}
{% if params.Y is defined %}
{% set axes = axes ~ 'Y ' %}
{% if 'y' not in printer.toolhead.homed_axes %}
{% set isHomed = false %}
{% set axesToHome = axesToHome ~ 'Y ' %}
{% endif %}
{% endif %}
{% if params.Z is defined %}
{% set axes = axes ~ 'Z ' %}
{% if 'z' not in printer.toolhead.homed_axes %}
{% set isHomed = false %}
{% set axesToHome = axesToHome ~ 'Z ' %}
{% endif %}
{% endif %}
{% if params.X is not defined and params.Y is not defined and params.Z is not defined %}
{% set axes = '' %}
{% if 'x' not in printer.toolhead.homed_axes %}
{% set isHomed = false %}
{% set axesToHome = axesToHome ~ 'X ' %}
{% endif %}
{% if 'y' not in printer.toolhead.homed_axes %}
{% set isHomed = false %}
{% set axesToHome = axesToHome ~ 'Y ' %}
{% endif %}
{% if 'z' not in printer.toolhead.homed_axes %}
{% set isHomed = false %}
{% set axesToHome = axesToHome ~ 'Z ' %}
{% endif %}
{% endif %}
{% if isHomed is false %}
M117 Homing {axesToHome}
RESPOND MSG="Homing {axesToHome}"
G28 {axesToHome}
{% else %}
RESPOND MSG="All requested axes already homed, skipping.."
{% endif %}
{% endif %}