abl.cfg

### Mesh level the bed every 10th print

[gcode_macro LEVEL_BED_ADVANCED]
description: Levels the bed if the last leveling was MAX_AGE runs ago. Force leveling by setting FORCE
variable_save_at_end: 0
gcode:
  {% set max_age = params.MAX_AGE|default(10)|int %}
  {% set force_level = params.FORCE|default(0)|int %}
  {% set save = params.SAVE|default(0)|int %}
  QUERY_PROBE
  M401
  ; load level_age from stored variables
  {% set svv = printer.save_variables.variables %}
  {% if "level_age" not in svv %} ; first run
    SAVE_VARIABLE VARIABLE=level_age VALUE={max_age}
    {% set level_age = 1 %}
  {% else %} ; load level_age and increment
    {% set level_age = svv.level_age %}
    SAVE_VARIABLE VARIABLE=level_age VALUE={level_age|int + 1}
  {% endif %}
  {action_respond_info("Bed mesh age is " + level_age|string) + "."} 

  ; Level eventually
  {% if force_level or (level_age >= max_age|int) %}
    {action_respond_info("Bed mesh exceeded max age. Leveling...")} 

    ; homing if not homed yet
    {% if 'xy' not in printer.toolhead.homed_axes %}
    G28
    {% endif %}
  
    BED_MESH_CALIBRATE
    {% if save %}
      SAVE_VARIABLE VARIABLE=level_age VALUE=1 ; reset counter
      # SAVE_CONFIG
    {% else %}
      SET_GCODE_VARIABLE MACRO=LEVEL_BED_ADVANCED VARIABLE=save_at_end VALUE=1
    {% endif %}
  {% else %}
    {action_respond_info("Loading old bed mesh.")} 
    BED_MESH_PROFILE LOAD=default
  {% endif %} 

# runs SAVE_CONFIG if the g-code variable was set in start gcode
[gcode_macro SAVE_IF_SET]
gcode:
  {% if printer["gcode_macro LEVEL_BED_ADVANCED"].save_at_end == 1 %}
  {action_respond_info("Saving was requested - saving and restarting now.")}
  SAVE_VARIABLE VARIABLE=level_age VALUE=1
  # SAVE_CONFIG
  {% endif %}