homing.cfg modified - 21.11.2025 - 18:13:23

printer_data/config/homing.cfg

@@ -0,0 +1,88 @@
+# Note you may need to add the following to your printer.cfg somewhere (without the comments of course) for the Kinematic position stuff below to work.
+#[force_move]
+#enable_force_move: True
+
+[gcode_macro _HOME_X]
+gcode:
+    # Home
+    {% set RUN_CURRENT_X = printer.configfile.settings['tmc2209 stepper_x'].run_current|float %}
+    {% set RUN_CURRENT_Y = printer.configfile.settings['tmc2209 stepper_y'].run_current|float %}
+    {% set HOME_CURRENT = 0.49 %}
+    SET_TMC_CURRENT STEPPER=stepper_x CURRENT={HOME_CURRENT}
+    SET_TMC_CURRENT STEPPER=stepper_y CURRENT={HOME_CURRENT}
+    
+    SET_KINEMATIC_POSITION X=15 SET_HOMED=X
+    G91
+    G1 X-15 F1200
+    
+    #G4 P2000
+    #M400 to finish all pending moves/process the buffer
+    M400 
+    G28 X
+    
+    # Move away
+    G91
+    G1 X-15 F1200
+    
+    SET_TMC_CURRENT STEPPER=stepper_x CURRENT={RUN_CURRENT_X}
+    SET_TMC_CURRENT STEPPER=stepper_y CURRENT={RUN_CURRENT_Y}
+
+[gcode_macro _HOME_Y]
+gcode:
+    {% set RUN_CURRENT_X = printer.configfile.settings['tmc2209 stepper_x'].run_current|float %}
+    {% set RUN_CURRENT_Y = printer.configfile.settings['tmc2209 stepper_y'].run_current|float %}
+    {% set HOME_CURRENT = 0.49 %}
+    SET_TMC_CURRENT STEPPER=stepper_x CURRENT={HOME_CURRENT}
+    SET_TMC_CURRENT STEPPER=stepper_y CURRENT={HOME_CURRENT}
+    
+    SET_KINEMATIC_POSITION Y=15 SET_HOMED=Y
+    G91
+    G1 Y-15 F1200
+    
+    #G4 P2000
+    #M400 to finish all pending moves/process the buffer
+    M400 
+    
+    # Home
+    G28 Y
+    # Move away
+    G91
+    G1 Y-15 F1200
+
+    # Wait just a second… (give StallGuard registers time to clear)
+    SET_TMC_CURRENT STEPPER=stepper_x CURRENT={RUN_CURRENT_X}
+    SET_TMC_CURRENT STEPPER=stepper_y CURRENT={RUN_CURRENT_Y}
+
+[homing_override]
+axes: xyz
+gcode:
+  {% set home_all = 'X' not in params and 'Y' not in params and 'Z' not in params %}
+
+  SET_KINEMATIC_POSITION Z=1 SET_HOMED=Z
+  G1 Z4 F1200
+
+  {% if home_all or 'X' in params %}
+    _HOME_X
+  {% endif %}
+  
+  {% if home_all or 'Y' in params %}
+    _HOME_Y
+  {% endif %}
+  
+  {% if home_all or 'Z' in params %}
+
+    G90
+    G1 X175 Y175 F15000
+
+    G28 Z
+
+    G1 Z10 F1500
+  {% endif %}
+
+
+[gcode_macro _CG28]
+description: Homing only if necessary
+gcode:
+    {% if "xyz" not in printer.toolhead.homed_axes %}
+        G28
+    {% endif %}