macros: fix pause/resume, add load/unload

macros/print.cfg

@@ -2,12 +2,16 @@
 # Macros used for printing
 # - BRUSHIE
 # - CANCEL_PRINT
+# - LOAD_FILAMENT
+# - UNLOAD_FILAMENT
 # - M600
+# - M601
 # - M900
 # - PARK
 # - PAUSE
 # - PRINT_START
 # - PRINT_END
+# - PRINT_LAYER_CHANGE
 # - PURGE_NOZZLE
 # - RESUME
 ####################################################################
@@ -18,7 +22,7 @@
 gcode:
   {% set x0=250 %}
   {% set x1=200 %}
-  {% set y0=309.5 %}
+  {% set y0=308 %}
   {% set z0=1.0 %}
   {% set z_hop = printer['gcode_macro _USER_VARIABLE'].z_hop|int %}
   {% if "xyz" in printer.toolhead.homed_axes %}
@@ -30,7 +34,7 @@ gcode:
     G0 X{x1}                    # 3
     G0 Z{z_hop} F300            # move Z to travel height
   {% else %}
-    M118 Printer not homed
+    M118 printer not homed
   {% endif %}
 
 
@@ -47,14 +51,29 @@ gcode:
   _CANCEL_PRINT_BASE
 
 
+[gcode_macro LOAD_FILAMENT]
+gcode:
+  T0
+
+
+[gcode_macro UNLOAD_FILAMENT]
+gcode:
+  ERCF_EJECT
+
+
 [gcode_macro M600]
 description: Change filament
 gcode:
   SAVE_GCODE_STATE NAME=M600_state
-  PAUSE Y=15
+  PAUSE
   M118 M600 change filament
   RESTORE_GCODE_STATE NAME=M600_state
 
+[gcode_macro M601]
+description: Pause print
+gcode:
+  PAUSE
+
 [gcode_macro M900]
 description: Set pressure advance
 gcode:
@@ -85,30 +104,38 @@ gcode:
     G90
     G0 X{x_park} Y{y_park} F6000
   {% else %}
-    M118 Printer not homed
+    M118 printer not homed
   {% endif %}
 
 
 # - PAUSE
 [gcode_macro PAUSE]
-description: Pause the actual running print
 rename_existing: _PAUSE_BASE
-# change this if you need more or less extrusion
-variable_extrude: 1.0
 gcode:
-  {% set YMIN = printer.toolhead.axis_minimum.y|float + 5.0 %}
-  {% set Y=params.Y|default(YMIN) %}
-  # read E from pause macro
-  {% set E = printer["gcode_macro PAUSE"].extrude|float %}
-  # end of definitions
-  M118 pause
-  _PAUSE_BASE
-  {% if printer.extruder.can_extrude|lower == 'true' %}
-    G91
-    G1 E-{E} F2100
-    G90
+  {% if printer.pause_resume.is_paused|lower == 'false' %}
+    {% set x_park = printer.toolhead.axis_minimum.x|float + 5.0 %}
+    {% set y_park = printer.toolhead.axis_maximum.y|float - 5.0 %}
+    {% set max_z = printer.toolhead.axis_maximum.z|float %}
+    {% set act_z = printer.toolhead.position.z|float %}
+    {% if act_z < (max_z - 5.0) %}
+        {% set z_safe = 5.0 %}
     {% else %}
-    M118 Extruder not hot enough
+        {% set z_safe = max_z - act_z %}
+    {% endif %}
+    G92 E0
+    {% if printer.extruder.can_extrude %}
+      G1 E-1.0 F1500.0
+    {% endif %}
+    G90
+    SAVE_GCODE_STATE NAME=PAUSE_state
+    _PAUSE_BASE
+    G91
+    G1 Z{z_safe} F900
+    G90
+    G0 X{x_park} Y{y_park} F6000
+  {% else %}
+    M117 already paused
+    M118 already paused
   {% endif %}
 
 
@@ -135,24 +162,15 @@ gcode:
   M83                     # use relative distances for extrusion
 
   BED_MESH_CLEAR
-  {% if not "xyz" in printer.toolhead.homed_axes %}
+  # HOME
   M117 HOME
   M118 HOME
   G28
-  {% else %}
-    M117 NO HOME
-    M118 NO HOME
-  {% endif %}
-
-  {% if printer.quad_gantry_level.applied|lower == 'false' %}
+  # QGL
   M117 QGL
   M118 QGL
   QUAD_GANTRY_LEVEL PARK=false
-  {% else %}
-    M117 NO QGL
-    M118 NO QGL
-  {% endif %}
-
+  # BMC
   {% if BMC %}
     M117 BED MESH CALIBRATE
     M118 BED MESH CALIBRATE
@@ -162,10 +180,10 @@ gcode:
     M118 BED MESH LOAD {SHEET}
     BED_MESH_PROFILE LOAD={SHEET}
   {% endif %}
-
+  # CALIBRATE_Z
   M117 CALIBRATE_Z
   M118 CALIBRATE_Z
-  G28 Z
+  # G28 Z # irrelevant?
   BRUSHIE
   CALIBRATE_Z
 
@@ -230,33 +248,22 @@ gcode:
 description: Resume the actual running print
 rename_existing: _RESUME_BASE
 gcode:
-  {% if printer["gcode_macro ERCF_PAUSE"].is_paused|int != 0 %}
+    {% if printer.pause_resume.is_paused|lower == 'true' %}
+      {% if printer["gcode_macro _ERCF_PAUSE"].is_paused|int != 0 %}
           M118 You can't resume the print without unlocking the ERCF first.
           M118 Run ERCF_UNLOCK and solve any issue before hitting Resume again
       {% else %}
-    # read E from pause macro
-    {% set E = printer["gcode_macro PAUSE"].extrude|float %}
-    # get VELOCITY parameter if specified
-    {% if 'VELOCITY' in params|upper %}
-      {% set get_params = ('VELOCITY=' + params.VELOCITY)  %}
-    {%else %}
-      {% set get_params = "" %}
-    {% endif %}
-    # end of definitions
-    M118 resume
-    {% if printer.extruder.can_extrude|lower == 'true' %}
-      G91
-      G1 E{E} F6000
+          RESTORE_GCODE_STATE NAME=PAUSE_state
           G90
-    {% else %}
-      M118 Extruder not hot enough
-    {% endif %}
-    {% if printer["gcode_macro ERCF_VAR"].clog_detection|int == 1 %}
+          {% if printer["gcode_macro _ERCF_VAR"].clog_detection|int == 1 %}
               SET_FILAMENT_SENSOR SENSOR=encoder_sensor ENABLE=1
           {% endif %}
-    G4 P2000
           _RESUME_BASE
       {% endif %}
+    {% else %}
+      M117 not paused
+      M118 not paused
+    {% endif %}
 
 
 [gcode_macro PRINT_LAYER_CHANGE]
@@ -264,4 +271,4 @@ gcode:
   {% set layer=params.LAYER|default(0)|int %}
   {% set layer_z=params.LAYER_Z|default(0) %}
   {% set total_layer_count=params.TOTAL_LAYER_COUNT|default(0) %}
-  M117 > layer {layer+1}/{total_layer_count} {layer_z}mm
+  M117 layer {layer+1}/{total_layer_count} {layer_z}mm