✨ POLARGRAPH / PEN_UP_DOWN_MENU (MarlinFirmware#25303)

Co-authored-by: Dan Royer <1464454+i-make-robots@users.noreply.github.com>

Author: i-make-robots

Marlin/Configuration.h

@@ -877,8 +877,9 @@
 // Enable for Polargraph Kinematics
 //#define POLARGRAPH
 #if ENABLED(POLARGRAPH)
-  #define POLARGRAPH_MAX_BELT_LEN 1035.0
-  #define DEFAULT_SEGMENTS_PER_SECOND 5
+  #define POLARGRAPH_MAX_BELT_LEN  1035.0 // (mm) Belt length at full extension. Override with M665 H.
+  #define DEFAULT_SEGMENTS_PER_SECOND 5   // Move segmentation based on duration
+  #define PEN_UP_DOWN_MENU                // Add "Pen Up" and "Pen Down" to the MarlinUI menu
 #endif
 
 // @section delta

Marlin/src/lcd/language/language_en.h

@@ -596,6 +596,8 @@ namespace Language_en {
   LSTR MSG_TOUCHMI_SAVE                   = _UxGT("Save");
   LSTR MSG_MANUAL_DEPLOY_TOUCHMI          = _UxGT("Deploy TouchMI");
   LSTR MSG_MANUAL_DEPLOY                  = _UxGT("Deploy Z-Probe");
+  LSTR MSG_MANUAL_PENUP                   = _UxGT("Pen up");
+  LSTR MSG_MANUAL_PENDOWN                 = _UxGT("Pen down");
   LSTR MSG_MANUAL_STOW                    = _UxGT("Stow Z-Probe");
   LSTR MSG_HOME_FIRST                     = _UxGT("Home %s First");
   LSTR MSG_ZPROBE_SETTINGS                = _UxGT("Probe Settings");

Marlin/src/lcd/menu/menu_motion.cpp

@@ -360,6 +360,13 @@ void menu_motion() {
   #endif
 
   //
+  // Pen up/down menu
+  //
+  #if ENABLED(PEN_UP_DOWN_MENU)
+    GCODES_ITEM(MSG_MANUAL_PENUP, F("M280 P0 S90"));
+    GCODES_ITEM(MSG_MANUAL_PENDOWN, F("M280 P0 S50"));
+  #endif
+
   // Probe Offset Wizard
   //
   #if ENABLED(PROBE_OFFSET_WIZARD)

Marlin/src/module/motion.cpp

@@ -931,6 +931,8 @@ void restore_feedrate_and_scaling() {
       #if BOTH(HAS_HOTEND_OFFSET, DELTA)
         // The effector center position will be the target minus the hotend offset.
         const xy_pos_t offs = hotend_offset[active_extruder];
+      #elif ENABLED(POLARGRAPH)
+        // POLARGRAPH uses draw_area_* below...
       #elif ENABLED(POLAR)
         // For now, we don't limit POLAR
       #else