beacon_nozzle_expansion_compensation_old.cfg

[gcode_macro BEACON]
variable_beacon_contact_calibration_temp: 150           # nozzle temperature for auto calibration
variable_beacon_contact_expansion_compensation: True   # enables the nozzle thermal expansion compensation
variable_beacon_contact_expansion_multiplier: 1.0       # multiplier for the nozzle thermal expansion compensation
# Do not modify below
gcode:

[delayed_gcode _BEACON_INIT]
initial_duration: 0.1
gcode:
    # reset nozzle thermal expansion offset
    _BEACON_SET_NOZZLE_TEMP_OFFSET RESET=True


[gcode_macro BEACON_CALIBRATE_NOZZLE_TEMP_OFFSET]
variable_reference_z: 0.0
gcode:
	{% set z_speed = (printer.configfile.settings['stepper_z'].homing_speed)|float * 60 %}
	{% set z_hop = (printer.configfile.settings['beacon'].home_z_hop)|float %}
	{% set safe_home_x = (printer.configfile.settings.stepper_x.position_max) /2 %}
	{% set safe_home_y = (printer.configfile.settings.stepper_y.position_max) /2 %}
	
	{% if printer.toolhead.homed_axes != "xyz" %}
    		G28
	{% endif %}

	#QGL if setup
 	{% if printer.quad_gantry_level is defined and not printer.quad_gantry_level.applied %}
        SET_DISPLAY_TEXT MSG="QGL"
        {% if printer.configfile.settings["gcode_macro FAST_QGL"] is defined %}
            {% if printer.configfile.settings['beacon'].default_probe_method != contact %}
                FAST_QGL                                                         
            {% endif %}
        {% else %}
            quad_gantry_level                                                             
        {% endif %}
        G28 Z
	{% endif %}

	#Z_TILT if setup
	{% if printer.z_tilt is defined and not printer.z_tilt.applied %}
        SET_DISPLAY_TEXT MSG="Z-Tilt adjust"                              
        {% if printer.configfile.settings["gcode_macro FAST_Z_TILT"] is defined %}
            {% if printer.configfile.settings['beacon'].default_probe_method != contact %}
                FAST_Z_TILT                                                              
            {% endif %}
        {% else %}
            Z_TILT_ADJUST                                                                  
        {% endif %}
        G28 Z
	{% endif %}

	# settle the mechanics down  
	{% for i in range(10) %}
		beacon_poke speed=3 top=5 bottom=-0.6
	{% endfor %}

	# get and set start temperature offset 
	_BEACON_PROBE_NOZZLE_TEMP_OFFSET TEMP=150
	_BEACON_STORE_NOZZLE_TEMP_OFFSET TEMP=150

	# get and set end temperature offset
	_BEACON_PROBE_NOZZLE_TEMP_OFFSET TEMP=250
	_BEACON_STORE_NOZZLE_TEMP_OFFSET TEMP=250

	# get and set start temperature offset 
	_BEACON_PROBE_NOZZLE_TEMP_OFFSET TEMP=150
	_BEACON_STORE_NOZZLE_TEMP_OFFSET TEMP=150

	# get and set end temperature offset
	_BEACON_PROBE_NOZZLE_TEMP_OFFSET TEMP=250
	_BEACON_STORE_NOZZLE_TEMP_OFFSET TEMP=250

	# move back to home position
	G0 Z{z_hop} F{z_speed}
	G0 X{safe_home_x} Y{safe_home_y}

	# turn heater off
	SET_HEATER_TEMPERATURE HEATER=extruder TARGET=0

			
	# echo results
	_BEACON_NOZZLE_TEMP_OFFSET

[gcode_macro _BEACON_PROBE_NOZZLE_TEMP_OFFSET]
gcode:
	# parameters
	{% set temp = params.TEMP|int %}

	# config
	{% set z_speed = (printer.configfile.settings['stepper_z'].homing_speed)|float * 60 %}

	# ratos variables file
	{% set svv = printer.save_variables.variables %}


	# wait for noozle to reach the probing temperature
	RESPOND  MSG="Waiting for nozzle to reach {temp}°C..."
	SET_HEATER_TEMPERATURE HEATER=extruder TARGET={temp}
	TEMPERATURE_WAIT SENSOR=extruder MINIMUM={temp} MAXIMUM={temp + 2}

	# wait for temperature to settle down
	RESPOND MSG="Waiting 60s for thermal expansion..."
	G4 P60000

	# probe
	RESPOND MSG="Probing with nozzle temperature {temp}°C..."
	PROBE PROBE_METHOD=contact SAMPLES=5 SAMPLES_TOLERANCE=0.005 SAMPLES_TOLERANCE_RETRIES=10 SAMPLES_RESULT=median
	G4 P2000 #wait 2 sec so beacon_query returns non inf value
	BEACON_QUERY

	# raise z
	G0 Z5 F{z_speed}

[gcode_macro _BEACON_SET_NOZZLE_TEMP_OFFSET]
gcode:
	{% set reset = true if params.RESET|default(false)|lower == 'true' else false %}

	# config 
	{% set z_speed = (printer.configfile.settings['stepper_z'].homing_speed)|float * 60 %}

	# beacon config
	{% set beacon_contact_calibration_temp = params.probing_temp|default(150)|int %}
	{% set beacon_contact_expansion_multiplier = printer["gcode_macro BEACON"].beacon_contact_expansion_multiplier|default(1.0)|float %}
	{% set beacon_contact_expansion_compensation = true if printer["gcode_macro BEACON"].beacon_contact_expansion_compensation|default(false)|lower == 'true' else false %}

	# ratos variables file
	{% set svv = printer.save_variables.variables %}

	{% if reset %}
		# reset applied offset
		SAVE_VARIABLE VARIABLE=nozzle_expansion_applied_offset VALUE=0

	{% else %}
		{% if beacon_contact_expansion_compensation %}

			# get coefficient value
			{% set nozzle_expansion_coefficient = svv.nozzle_expansion_coefficient|default(0)|float %}

			# get applied offset
			{% set applied_offset = svv.nozzle_expansion_applied_offset|default(0)|float %}

			# get extruder target temperature
			{% set temp = printer['extruder'].target|float %}

			# calculate new offset
			{% set temp_offset = temp - beacon_contact_calibration_temp %}
			{% set expansion_coefficient = nozzle_expansion_coefficient %}
			{% set expansion_offset = beacon_contact_expansion_multiplier * (temp_offset * (expansion_coefficient / 100)) %}

			# set new offset
			{% set new_offset = ((-applied_offset) + expansion_offset) %}
			SET_GCODE_OFFSET Z_ADJUST={new_offset} MOVE=1 SPEED={z_speed}
			SAVE_VARIABLE VARIABLE=nozzle_expansion_applied_offset VALUE={expansion_offset}

			# echo
			RESPOND  MSG={'"Nozzle expansion offset of %.6fmm applied"' % (expansion_offset)}

		{% endif %}
	{% endif %}

[gcode_macro _BEACON_REMOVE_NOZZLE_TEMP_OFFSET]
gcode:
	# config 
	{% set z_speed = (printer.configfile.settings['stepper_z'].homing_speed)|float * 60 %}

	# beacon config
	{% set beacon_contact_expansion_compensation = true if printer["gcode_macro BEACON"].beacon_contact_expansion_compensation|default(false)|lower == 'true' else false %}

	{% if beacon_contact_expansion_compensation %}

		# ratos variables file
		{% set svv = printer.save_variables.variables %}

		# get applied offset
		{% set applied_offset = svv.nozzle_expansion_applied_offset|default(0)|float %}

		# remove applied offset
		SET_GCODE_OFFSET Z_ADJUST={(-applied_offset)} MOVE=0 SPEED={z_speed}

	{% endif %}

[gcode_macro _BEACON_STORE_NOZZLE_TEMP_OFFSET]
gcode:
	# parameters
	{% set temp = params.TEMP|int %}

	#variable file
	{% set svv = printer.save_variables.variables %}

	# get last probe result
	{% set last_z = printer.beacon.last_z_result|default(0)|float %}

	# set temperature offset
	{% if temp == 150 %}
		SET_GCODE_VARIABLE MACRO=BEACON_CALIBRATE_NOZZLE_TEMP_OFFSET VARIABLE=reference_z VALUE={last_z}
	{% else %}
		{% set reference_z = printer["gcode_macro BEACON_CALIBRATE_NOZZLE_TEMP_OFFSET"].reference_z|default(0)|float %}
		SAVE_VARIABLE VARIABLE=nozzle_expansion_coefficient VALUE={(last_z - reference_z)}
	{% endif %}

[gcode_macro _BEACON_NOZZLE_TEMP_OFFSET]
gcode:
	{% set svv = printer.save_variables.variables %}
	RESPOND  MSG={'"expansion coefficient %.6f"' % svv.nozzle_expansion_coefficient}