Merge pull request #666 from mjonuschat/feature/hotend-off-on-pause

feat: Turn off hotend on pause
Frix-x · Jan 6, 2025 · dc01ae0 · dc01ae0
2 parents 2e10580 + 61a73f2
commit dc01ae0
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Showing 2 changed files with 21 additions and 3 deletions.
diff --git a/macros/base/pause_resume.cfg b/macros/base/pause_resume.cfg
@@ -4,6 +4,7 @@ description: Pause the print and park
 gcode:
     {% set light_enabled = printer["gcode_macro _USER_VARIABLES"].light_enabled %}
     {% set light_intensity_start_print = printer["gcode_macro _USER_VARIABLES"].light_intensity_start_print %}
+    {% set turn_off_extruder = printer["gcode_macro _USER_VARIABLES"].turn_off_extruder_on_pause %}
 
     {% if printer.pause_resume.is_paused %}
         RESPOND MSG="Print is already paused"
@@ -12,19 +13,27 @@ gcode:
         {% if light_enabled %}
             LIGHT_ON S={light_intensity_start_print}
         {% endif %}
+
         BASE_PAUSE
         PARK
+
+        {% if turn_off_extruder %}
+            SET_GCODE_VARIABLE MACRO=RESUME VARIABLE=extruder_target_temp VALUE={printer.extruder.target}
+            M104 S0
+        {% endif %}
     {% endif %}
 
 
 [gcode_macro RESUME]
 rename_existing: BASE_RESUME
 description: Resume the print after an optional unretract
+variable_extruder_target_temp: 0
 gcode:
     {% set St = printer["gcode_macro _USER_VARIABLES"].travel_speed %}
     {% set light_enabled = printer["gcode_macro _USER_VARIABLES"].light_enabled %}
     {% set light_intensity_printing = printer["gcode_macro _USER_VARIABLES"].light_intensity_printing %}
     {% set klippain_mmu_enabled = printer["gcode_macro _USER_VARIABLES"].klippain_mmu_enabled %}
+    {% set turn_off_extruder = printer["gcode_macro _USER_VARIABLES"].turn_off_extruder_on_pause %}
 
     {% if not printer.pause_resume.is_paused %}
         RESPOND MSG="Print is not paused. Resume ignored"
@@ -38,9 +47,15 @@ gcode:
         {% else %}
             RESTORE_GCODE_STATE NAME=PAUSE_state MOVE=1 MOVE_SPEED={St}
         {% endif %}
+
         {% if light_enabled %}
             LIGHT_ON S={light_intensity_printing}
         {% endif %}
+
+        {% if turn_off_extruder and extruder_target_temp > 0 %}
+            M109 S{extruder_target_temp|int}
+        {% endif %}
+
         BASE_RESUME
     {% endif %}
 

diff --git a/user_templates/variables.cfg b/user_templates/variables.cfg
@@ -21,9 +21,9 @@ variable_brush_clean_accel: 1500
 variable_probe_dock_accel: 2000
 
 
-#################################################
-# Homing, start_print and end_print variables
-#################################################
+#####################################################
+# Homing, start_print, end_print and pause variables
+#####################################################
 
 ## Physical Z endstop pin position. This variable is used only if
 ## you don't use the automatic z_calibration plugin: if this plugin is
@@ -71,6 +71,9 @@ variable_disable_motors_in_end_print: False
 ## Automatically turn-off heaters in the END_PRINT macro
 variable_turn_off_heaters_in_end_print: True
 
+## Automatically turn-off the extruder/hotend when a print job is paused
+variable_turn_off_extruder_on_pause: False
+
 ## Automatically reset velocity limits to configured values in the END_PRINT macro
 variable_reset_velocity_limits_in_end_print: True