Klicky-00 Magnet saver

klicky-00.cfg

# Klicky-00 Magnet saver
# Adapted from the Voron Tap Macro
# Written by Disord (@Nevax)
# If you add changes, please feel free to share them with me through private message :)
# Features:
# - Ensures temperature is below 150°C prior to attaching and utilizing probe
# - Specifies fan speed before attaching and utilizing probe
# - Reverts to previous temperature and fan speed only upon successful probe docking
# - Prevents setting a temperature above 150°C while attached

[gcode_macro _KLICKY_00_VARIABLES]
variable_max_probing_temp: 150
variable_fan_temp: 50
variable_fan_speed: 0.7
variable_previous_saved: False
variable_previous_extruder_target: 0
variable_previous_fan_speed: 0
gcode:

[gcode_macro ATTACH_PROBE]
rename_existing: ATTACH_PROBE_BASE
gcode:
    {% set MAX_TEMP = printer["gcode_macro _KLICKY_00_VARIABLES"].max_probing_temp|float %}
    {% set FAN_TEMP = printer["gcode_macro _KLICKY_00_VARIABLES"].fan_temp|float %}
    {% set ACTUAL_TEMP = printer.extruder.temperature|float %}
    {% set TARGET_TEMP = printer.extruder.target|float %}

    {% if not 'xy' in printer.toolhead.homed_axes %}
        {action_raise_error("Must Home X and Y Axis First!")}
    {% endif %}

    _ON_ACTIVATE_PROBE

    ATTACH_PROBE_BASE {rawparams}

[gcode_macro DOCK_PROBE]
rename_existing: DOCK_PROBE_BASE
gcode:
    DOCK_PROBE_BASE {rawparams}
    M400                ; ensure to get updated values, not sure if required
    _POST_PROBE_DOCK    ; run in seperate macro to have updated probe_attached value

[gcode_macro _POST_PROBE_DOCK]
gcode:
    {% set probe_attached = printer["gcode_macro _Probe_Variables"].probe_attached %}

    {% if not probe_attached %}
         {% set previous_fan_speed = printer["gcode_macro _KLICKY_00_VARIABLES"].previous_fan_speed|default(0)|float %}
        {% if previous_fan_speed > 0 %}
            M106 S{previous_fan_speed * 255}      ; restore fan speed
        {% else %}
            M107                                  ; stop fan
        {% endif %}

        {% set previous_extruder_target = printer["gcode_macro _KLICKY_00_VARIABLES"].previous_extruder_target|default(0)|float %}
        {% if previous_extruder_target > 0 %}
            SET_HEATER_TEMPERATURE HEATER=extruder TARGET={previous_extruder_target}    ; start hotend heater
        {% endif %}

        SET_GCODE_VARIABLE MACRO=_KLICKY_00_VARIABLES VARIABLE=previous_fan_speed VALUE={0} ; reset default fan speed
        SET_GCODE_VARIABLE MACRO=_KLICKY_00_VARIABLES VARIABLE=previous_extruder_target VALUE={0} ; reset default
        SET_GCODE_VARIABLE MACRO=_KLICKY_00_VARIABLES VARIABLE=previous_saved VALUE={False} ; reset default
    {% endif %}

# safety against extruder temp change while klicky-00 is attached.
[gcode_macro SET_HEATER_TEMPERATURE]
rename_existing: SET_HEATER_TEMPERATURE_BASE
gcode:
	{% set HEATER = params.HEATER|float %}
	{% set TARGET = params.TARGET|float %}
    {% set probe_attached = printer["gcode_macro _Probe_Variables"].probe_attached %}

    {% if probe_attached and HEATER|lower == "extruder" and TARGET > 150 %}
        {% if not 'xy' in printer.toolhead.homed_axes %}
            { action_raise_error("Target temp is above treshold with attached probe.") }
        {% endif %}
        DOCK_PROBE_UNLOCK BACK=1
    {% endif %}

    SET_HEATER_TEMPERATURE_BASE {rawparams}

[gcode_macro _ON_ACTIVATE_PROBE]
description: Safety for klicky-00 magnet, must be triggered before any probe usage.
gcode:
    {% set MAX_TEMP = printer["gcode_macro _KLICKY_00_VARIABLES"].max_probing_temp|float %}
    {% set FAN_TEMP = printer["gcode_macro _KLICKY_00_VARIABLES"].fan_temp|float %}
    {% set ACTUAL_TEMP = printer.extruder.temperature|float %}
    {% set TARGET_TEMP = printer.extruder.target|float %}

    {% if not printer["gcode_macro _KLICKY_00_VARIABLES"].previous_saved %}
        SET_GCODE_VARIABLE MACRO=_KLICKY_00_VARIABLES VARIABLE=previous_extruder_target VALUE={printer['extruder'].target|float}
        SET_GCODE_VARIABLE MACRO=_KLICKY_00_VARIABLES VARIABLE=previous_fan_speed VALUE={printer['fan'].speed|float}
        SET_GCODE_VARIABLE MACRO=_KLICKY_00_VARIABLES VARIABLE=previous_saved VALUE={True}
    {% endif %}

    {% if TARGET_TEMP > FAN_TEMP or ACTUAL_TEMP > FAN_TEMP %}
        {% set fan_speed = printer['gcode_macro _KLICKY_00_VARIABLES'].fan_speed|float %}
        M106 S{fan_speed * 255}
    {% endif %} 

    {% if TARGET_TEMP > MAX_TEMP %}
        { action_respond_info('Extruder temperature target of %.1fC is too high, lowering to %.1fC' % (TARGET_TEMP, MAX_TEMP)) }
        M109 S{MAX_TEMP}
    {% else %}
        # Temperature target is already low enough, but nozzle may still be too hot.
        {% if ACTUAL_TEMP > MAX_TEMP %}
            { action_respond_info('Extruder temperature %.1fC is still too high, waiting until below %.1fC' % (ACTUAL_TEMP, MAX_TEMP)) }
            TEMPERATURE_WAIT SENSOR=extruder MAXIMUM={MAX_TEMP + 2}
        {% endif %}
    {% endif %}

[probe]
activate_gcode:
  _ON_ACTIVATE_PROBE