Probe Wizard XY position (#20167)

Marlin/Configuration_adv.h

@@ -1085,6 +1085,7 @@
     //#define PROBE_OFFSET_WIZARD
     #if ENABLED(PROBE_OFFSET_WIZARD)
       #define PROBE_OFFSET_START -4.0   // Estimated nozzle-to-probe Z offset, plus a little extra
+      //#define PROBE_OFFSET_WIZARD_XY_POS XY_CENTER // Set a convenient position to do the measurement
     #endif
   #endif
 
@@ -3447,7 +3448,7 @@
   #define GANTRY_CALIBRATION_FEEDRATE         500     // Feedrate for correction move
   //#define GANTRY_CALIBRATION_TO_MIN                 // Enable to calibrate Z in the MIN direction
 
-  //#define GANTRY_CALIBRATION_SAFE_POSITION  { X_CENTER, Y_CENTER } // Safe position for nozzle
+  //#define GANTRY_CALIBRATION_SAFE_POSITION XY_CENTER // Safe position for nozzle
   //#define GANTRY_CALIBRATION_XY_PARK_FEEDRATE 3000  // XY Park Feedrate - MMM
   //#define GANTRY_CALIBRATION_COMMANDS_PRE   ""
   #define GANTRY_CALIBRATION_COMMANDS_POST  "G28"     // G28 highly recommended to ensure an accurate position

Marlin/src/inc/Conditionals_post.h

@@ -100,6 +100,7 @@
 #define _Y_HALF_BED ((Y_BED_SIZE) / 2)
 #define X_CENTER TERN(BED_CENTER_AT_0_0, 0, _X_HALF_BED)
 #define Y_CENTER TERN(BED_CENTER_AT_0_0, 0, _Y_HALF_BED)
+#define XY_CENTER { X_CENTER, Y_CENTER }
 
 // Get the linear boundaries of the bed
 #define X_MIN_BED (X_CENTER - _X_HALF_BED)

Marlin/src/lcd/marlinui.h

@@ -622,7 +622,7 @@ public:
   //
   // Special handling if a move is underway
   //
-  #if EITHER(DELTA_CALIBRATION_MENU, DELTA_AUTO_CALIBRATION) || (ENABLED(LCD_BED_LEVELING) && EITHER(PROBE_MANUALLY, MESH_BED_LEVELING))
+  #if EITHER(DELTA_CALIBRATION_MENU, DELTA_AUTO_CALIBRATION) || (ENABLED(LCD_BED_LEVELING) && EITHER(PROBE_MANUALLY, MESH_BED_LEVELING)) || (ENABLED(PROBE_OFFSET_WIZARD) && defined(PROBE_OFFSET_WIZARD_XY_POS))
     #define LCD_HAS_WAIT_FOR_MOVE 1
     static bool wait_for_move;
   #else

Marlin/src/lcd/menu/menu.h

@@ -220,7 +220,7 @@ void _lcd_draw_homing();
 #endif
 
 #if ENABLED(PROBE_OFFSET_WIZARD)
-  void goto_probe_offset_wizard();
+  void home_and_goto_probe_offset_wizard();
 #endif
 
 #if ENABLED(LCD_BED_LEVELING) || (HAS_LEVELING && DISABLED(SLIM_LCD_MENUS))

Marlin/src/lcd/menu/menu_advanced.cpp

@@ -488,7 +488,7 @@ void menu_backlash();
       EDIT_ITEM(LCD_Z_OFFSET_TYPE, MSG_ZPROBE_ZOFFSET, &probe.offset.z, Z_PROBE_OFFSET_RANGE_MIN, Z_PROBE_OFFSET_RANGE_MAX);
 
       #if ENABLED(PROBE_OFFSET_WIZARD)
-        SUBMENU(MSG_PROBE_WIZARD, goto_probe_offset_wizard);
+        SUBMENU(MSG_PROBE_WIZARD, home_and_goto_probe_offset_wizard);
       #endif
 
       END_MENU();

Marlin/src/lcd/menu/menu_probe_offset.cpp

@@ -36,6 +36,7 @@
 
 #include "menu_item.h"
 #include "menu_addon.h"
+#include "../../gcode/queue.h"
 #include "../../module/motion.h"
 #include "../../module/planner.h"
 #include "../../module/probe.h"
@@ -120,22 +121,32 @@ void probe_offset_wizard_menu() {
   END_MENU();
 }
 
-void goto_probe_offset_wizard() {
-  ui.defer_status_screen();
+#ifdef PROBE_OFFSET_WIZARD_XY_POS
 
-  prepare_for_calibration();
+  #define HAS_PROBE_OFFSET_WIZARD_XY_POS 1
 
-  probe.offset.z = PROBE_OFFSET_START;
+  inline void goto_probe_offset_wizard() {
+    if (ui.wait_for_move) return;
+    constexpr xy_pos_t wizard_pos = PROBE_OFFSET_WIZARD_XY_POS;
+    current_position = wizard_pos;
+    ui.wait_for_move = true;
+    line_to_current_position(MMM_TO_MMS(HOMING_FEEDRATE_XY)); // Could invoke idle()
+    ui.wait_for_move = false;
+    ui.synchronize();
+    prepare_for_calibration();
+    probe.offset.z = PROBE_OFFSET_START;
+    ui.goto_screen(probe_offset_wizard_menu);
+    ui.defer_status_screen();
+  }
 
-  set_all_unhomed();
+#endif
+
+void home_and_goto_probe_offset_wizard() {
   queue.inject_P(G28_STR);
-
   ui.goto_screen([]{
     _lcd_draw_homing();
-    if (all_axes_homed()) {
-      ui.goto_screen(probe_offset_wizard_menu);
-      ui.defer_status_screen();
-    }
+    if (all_axes_homed())
+      ui.goto_screen(TERN(HAS_PROBE_OFFSET_WIZARD_XY_POS, goto_probe_offset_wizard, probe_offset_wizard_menu));
   });
 }