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z_filament_switch_unload.cfg
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z_filament_switch_unload.cfg
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# Use a switch as filament runnout sensor
# Use a swithc for manual unload filament
# Need [virtual_sdcard] and PAUSE macro in mainsail.cfg
[respond]
default_type: echo
[delayed_gcode clear_display]
gcode:
M117 # clear display message
# needed for manual filament load/unload
[force_move]
enable_force_move: True
##################################################
# Macro Manual Load/Unload Filament with a switch
##################################################
[gcode_button fil_load]
pin: PA11 # PIN switch to load filament
release_gcode:
{% if (printer.print_stats.state != "printing")%}
filament_load
{% else %}
M117 Printing, can't load now!
M118 Printing, can't load now!
{% endif %}
press_gcode: # do not add macro here
[gcode_button fil_unload]
pin: PA10 # PIN switch to unload filament
release_gcode:
{% if (printer.print_stats.state != "printing")%}
filament_unload
{% else %}
M117 Printing, can't unload now!
M118 Printing, can't unload now!
{% endif %}
press_gcode: # do not add macro here
########################################
# Filament runnout sensor with a switch
########################################
[gcode_button fil_runnout]
pin: PA9 ######## PIN FILAMENT SENSOR SWITCH ########
press_gcode: # FILAMENT NOT DETECTED
{% if (printer.print_stats.state == "printing") %}
filament_change_state1
{% endif %}
UPDATE_DELAYED_GCODE ID=clear_loadbusy DURATION=2
UPDATE_DELAYED_GCODE ID=clear_unloadbusy DURATION=2
SET_GCODE_VARIABLE MACRO=filament_unload VARIABLE=filamentpresent VALUE=0
release_gcode: # Macro when reload filament, switch pressed after runnout
{% if (printer.print_stats.state != "printing") %}
filament_load
{% else %}
M117 Printing! Can't load filament right now!
M118 Printing! Can't load filament right now!
UPDATE_DELAYED_GCODE ID=clear_display DURATION=10
{% endif %}
SET_GCODE_VARIABLE MACRO=filament_unload VARIABLE=filamentpresent VALUE=1
UPDATE_DELAYED_GCODE ID=clear_changebusy DURATION=2
# PAUSE and ALERT
[gcode_macro filament_change_state1]
variable_changebusy: 0
gcode:
{% if changebusy == 0 %}
PAUSE
SET_GCODE_VARIABLE MACRO=filament_change_state1 VARIABLE=changebusy VALUE=1
M118 Filament runnout!
M117 Filament runnout!
filament_change_state2 # comment this to avoid automatically unload filament when runnout detected.
{% else %}
{% endif %}
[delayed_gcode clear_changebusy]
gcode:
SET_GCODE_VARIABLE MACRO=filament_change_state1 VARIABLE=changebusy VALUE=0
# M118 Clear Load busy!
# BEEP, ALERT, HEAT and UNLOAD FILAMENT
[gcode_macro filament_change_state2]
gcode:
SET_GCODE_VARIABLE MACRO=filament_load VARIABLE=loadbusy VALUE=1
#M300 # Your BEEPER macro
M118 Unloading filament...
M117 Unloading filament...
M83
G92 E0
# {% if printer[printer.toolhead.extruder].temperature < 240 %}
# CHECK or SET minimum extrusion temperature
{% if (printer.extruder.can_extrude|lower != 'true') or (printer.extruder.target == 0) %}
M118 Hotend heating!
M109 S240 T0 ###### set temperature to 240 #####
{% endif %}
G0 E-5 F3600 #extract filament to cold end
G4 P2000 # wait for two seconds
G0 E4.5 F3600 # push the filament back
G0 E-5 F3600 #extract filament to cold end
G0 E-60 F300 # continue extraction slow allow filament to be cooled enough before reaches the gears
M400
M117 Load new filament, then resume.
M118 Load new filament, then resume.
#SET_GCODE_VARIABLE MACRO=filament_load VARIABLE=loadbusy VALUE=0
UPDATE_DELAYED_GCODE ID=clear_loadbusy DURATION=2.5 # wait to remove filament before reload
########################################
# Filament load
########################################
[gcode_macro filament_load]
variable_loadbusy: 0
gcode:
{% if loadbusy == 0 %}
SET_GCODE_VARIABLE MACRO=filament_load VARIABLE=loadbusy VALUE=1
SET_GCODE_VARIABLE MACRO=filament_unload VARIABLE=unloadbusy VALUE=1
# CHECK or SET minimum extrusion temperature
{% if printer.extruder.can_extrude|lower != 'true' %}
M104 S235 T0 # set temp and wait.
{% endif %}
#M300 # Your BEEPER macro
M117 Filament loading!
M118 Filament loading!
M82 # extruder absolute movement
G92 E0 # extruder start from 0
G4 P2000 # wait in ms
FORCE_MOVE STEPPER=extruder DISTANCE=15 VELOCITY=5 ACCEL=1000
# CHECK or SET minimum extrusion temperature
{% if printer.extruder.can_extrude|lower != 'true' %}
M118 Hotend heating!
M109 S240 T0 ###### set temperature to 240 #####
{% endif %}
G1 E150 F300 # extrude 150mm
M400
{% if (printer.print_stats.state != "printing") and (printer.print_stats.state != "paused")%}
M104 S0 T0 # Cooldown if not printing or paused
{% endif %}
M117 Filament loaded!
M118 Filament loaded!
UPDATE_DELAYED_GCODE ID=clear_display DURATION=10
UPDATE_DELAYED_GCODE ID=clear_unloadbusy DURATION=2
{% else %}
M118 Filament already loaded!
{% endif %}
[delayed_gcode set_loadbusy]
gcode:
SET_GCODE_VARIABLE MACRO=filament_load VARIABLE=loadbusy VALUE=1
#M118 Set Load busy!
[delayed_gcode clear_loadbusy]
gcode:
SET_GCODE_VARIABLE MACRO=filament_load VARIABLE=loadbusy VALUE=0
#M118 Clear Load busy!
########################################
# Filament unload
########################################
[gcode_macro filament_unload]
variable_unloadbusy: 0
variable_filamentpresent: 0
gcode:
#{% if unloadbusy == 0 and filamentpresent == 1 %}
{% if unloadbusy == 0 %}
SET_GCODE_VARIABLE MACRO=filament_unload VARIABLE=unloadbusy VALUE=1
SET_GCODE_VARIABLE MACRO=filament_load VARIABLE=loadbusy VALUE=1
#M300 # Your BEEPER macro
M118 Filament unloading!
M117 Filament unloading!
M83
G92 E0
# CHECK or SET minimum extrusion temperature
{% if (printer.extruder.can_extrude|lower != 'true') or (printer.extruder.target == 0)%}
M118 Hotend heating!
M109 S240 T0 ###### set temperature to 240 #####
{% endif %}
G0 E-5 F3600 # move 5mm of filament to a cold zone
G4 P2000 # wait 2s
G0 E4.5 F3600 # extrude a bit
G0 E-5 F3600 # retract again
G0 E-60 F300 # retract slowly to cool
M104 S0 T0 # Cooldown
M400
M118 Filament unloaded!
M117 Filament unloaded!
#SET_GCODE_VARIABLE MACRO=filament_load VARIABLE=loadbusy VALUE=0
UPDATE_DELAYED_GCODE ID=clear_display DURATION=10
{% else %}
M118 Already unloaded!
{% endif %}
[delayed_gcode clear_unloadbusy]
gcode:
SET_GCODE_VARIABLE MACRO=filament_unload VARIABLE=unloadbusy VALUE=0
#M118 Clear Unload busy!