Merge pull request #8522 from Roxy-3D/bugfix-1.1.x

[1.1.x] Make G26 work with other meshes too

.travis.yml

@@ -99,7 +99,7 @@ script:
   # Test a probeless build of AUTO_BED_LEVELING_UBL
   #
   - restore_configs
-  - opt_enable AUTO_BED_LEVELING_UBL UBL_G26_MESH_EDITING ENABLE_LEVELING_FADE_HEIGHT EEPROM_SETTINGS G3D_PANEL
+  - opt_enable AUTO_BED_LEVELING_UBL G26_MESH_EDITING ENABLE_LEVELING_FADE_HEIGHT EEPROM_SETTINGS G3D_PANEL
   - opt_enable_adv CUSTOM_USER_MENUS I2C_POSITION_ENCODERS BABYSTEPPING
   - build_marlin
   #
@@ -128,7 +128,7 @@ script:
   # Test MESH_BED_LEVELING feature, with LCD
   #
   - restore_configs
-  - opt_enable MESH_BED_LEVELING MESH_G28_REST_ORIGIN LCD_BED_LEVELING ULTIMAKERCONTROLLER
+  - opt_enable MESH_BED_LEVELING G26_MESH_EDITING MESH_G28_REST_ORIGIN LCD_BED_LEVELING ULTIMAKERCONTROLLER
   - build_marlin
   #
   # Test MINIRAMBO for PWM_MOTOR_CURRENT
@@ -142,7 +142,7 @@ script:
   #
   - restore_configs
   - opt_set MOTHERBOARD BOARD_MINIRAMBO
-  - opt_enable PROBE_MANUALLY AUTO_BED_LEVELING_BILINEAR LCD_BED_LEVELING ULTIMAKERCONTROLLER
+  - opt_enable PROBE_MANUALLY AUTO_BED_LEVELING_BILINEAR G26_MESH_EDITING LCD_BED_LEVELING ULTIMAKERCONTROLLER
   - opt_enable EEPROM_SETTINGS EEPROM_CHITCHAT M100_FREE_MEMORY_WATCHER M100_FREE_MEMORY_DUMPER M100_FREE_MEMORY_CORRUPTOR INCH_MODE_SUPPORT TEMPERATURE_UNITS_SUPPORT
   - opt_enable ULTIMAKERCONTROLLER SDSUPPORT
   - opt_enable PRINTCOUNTER NOZZLE_PARK_FEATURE NOZZLE_CLEAN_FEATURE PCA9632 USE_XMAX_PLUG

Marlin/Configuration.h

@@ -890,6 +890,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  #define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -956,13 +968,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  //#define UBL_G26_MESH_VALIDATION // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/Marlin.h

@@ -311,6 +311,23 @@ void report_current_position();
   void forward_kinematics_SCARA(const float &a, const float &b);
 #endif
 
+#if ENABLED(G26_MESH_VALIDATION)
+  extern bool g26_debug_flag;
+#elif ENABLED(AUTO_BED_LEVELING_UBL)
+  constexpr bool g26_debug_flag = false;
+#endif
+
+#if ENABLED(AUTO_BED_LEVELING_BILINEAR)
+  #define _GET_MESH_X(I) bilinear_start[X_AXIS] + I * bilinear_grid_spacing[X_AXIS]
+  #define _GET_MESH_Y(J) bilinear_start[Y_AXIS] + J * bilinear_grid_spacing[Y_AXIS]
+#elif ENABLED(AUTO_BED_LEVELING_UBL)
+  #define _GET_MESH_X(I) ubl.mesh_index_to_xpos(I)
+  #define _GET_MESH_Y(J) ubl.mesh_index_to_ypos(J)
+#elif ENABLED(MESH_BED_LEVELING)
+  #define _GET_MESH_X(I) mbl.index_to_xpos[I]
+  #define _GET_MESH_Y(J) mbl.index_to_ypos[J]
+#endif
+
 #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
   extern int bilinear_grid_spacing[2], bilinear_start[2];
   extern float bilinear_grid_factor[2],

Marlin/Marlin_main.cpp

@@ -59,7 +59,7 @@
  * G19  - Select Plane YZ (Requires CNC_WORKSPACE_PLANES)
  * G20  - Set input units to inches (Requires INCH_MODE_SUPPORT)
  * G21  - Set input units to millimeters (Requires INCH_MODE_SUPPORT)
- * G26  - Mesh Validation Pattern (Requires UBL_G26_MESH_VALIDATION)
+ * G26  - Mesh Validation Pattern (Requires G26_MESH_VALIDATION)
  * G27  - Park Nozzle (Requires NOZZLE_PARK_FEATURE)
  * G28  - Home one or more axes
  * G29  - Start or continue the bed leveling probe procedure (Requires bed leveling)
@@ -326,6 +326,11 @@
   void M100_dump_routine(const char * const title, const char *start, const char *end);
 #endif
 
+#if ENABLED(G26_MESH_VALIDATION)
+  bool g26_debug_flag; // =false
+  void gcode_G26();
+#endif
+
 #if ENABLED(SDSUPPORT)
   CardReader card;
 #endif
@@ -6197,17 +6202,6 @@ void home_all_axes() { gcode_G28(true); }
         return;
       }
 
-      #if ENABLED(AUTO_BED_LEVELING_BILINEAR)
-        #define _GET_MESH_X(I) bilinear_start[X_AXIS] + I * bilinear_grid_spacing[X_AXIS]
-        #define _GET_MESH_Y(J) bilinear_start[Y_AXIS] + J * bilinear_grid_spacing[Y_AXIS]
-      #elif ENABLED(AUTO_BED_LEVELING_UBL)
-        #define _GET_MESH_X(I) ubl.mesh_index_to_xpos(I)
-        #define _GET_MESH_Y(J) ubl.mesh_index_to_ypos(J)
-      #elif ENABLED(MESH_BED_LEVELING)
-        #define _GET_MESH_X(I) mbl.index_to_xpos[I]
-        #define _GET_MESH_Y(J) mbl.index_to_ypos[J]
-      #endif
-
       set_destination_from_current();
       if (hasI) destination[X_AXIS] = _GET_MESH_X(ix);
       if (hasJ) destination[Y_AXIS] = _GET_MESH_Y(iy);
@@ -7567,15 +7561,15 @@ inline void gcode_M42() {
 
 #endif // Z_MIN_PROBE_REPEATABILITY_TEST
 
-#if ENABLED(AUTO_BED_LEVELING_UBL) && ENABLED(UBL_G26_MESH_VALIDATION)
+#if ENABLED(G26_MESH_VALIDATION)
 
   inline void gcode_M49() {
-    ubl.g26_debug_flag ^= true;
-    SERIAL_PROTOCOLPGM("UBL Debug Flag turned ");
-    serialprintPGM(ubl.g26_debug_flag ? PSTR("on.") : PSTR("off."));
+    g26_debug_flag ^= true;
+    SERIAL_PROTOCOLPGM("G26 Debug ");
+    serialprintPGM(g26_debug_flag ? PSTR("on.") : PSTR("off."));
   }
 
-#endif // AUTO_BED_LEVELING_UBL && UBL_G26_MESH_VALIDATION
+#endif // G26_MESH_VALIDATION
 
 #if ENABLED(ULTRA_LCD) && ENABLED(LCD_SET_PROGRESS_MANUALLY)
   /**
@@ -11295,11 +11289,11 @@ void process_parsed_command() {
           break;
       #endif // INCH_MODE_SUPPORT
 
-      #if ENABLED(AUTO_BED_LEVELING_UBL) && ENABLED(UBL_G26_MESH_VALIDATION)
+      #if ENABLED(G26_MESH_VALIDATION)
         case 26: // G26: Mesh Validation Pattern generation
           gcode_G26();
           break;
-      #endif // AUTO_BED_LEVELING_UBL
+      #endif // G26_MESH_VALIDATION
 
       #if ENABLED(NOZZLE_PARK_FEATURE)
         case 27: // G27: Nozzle Park
@@ -11459,11 +11453,11 @@ void process_parsed_command() {
           break;
       #endif // Z_MIN_PROBE_REPEATABILITY_TEST
 
-      #if ENABLED(AUTO_BED_LEVELING_UBL) && ENABLED(UBL_G26_MESH_VALIDATION)
+      #if ENABLED(G26_MESH_VALIDATION)
         case 49: // M49: Turn on or off G26 debug flag for verbose output
           gcode_M49();
           break;
-      #endif // AUTO_BED_LEVELING_UBL && UBL_G26_MESH_VALIDATION
+      #endif // G26_MESH_VALIDATION
 
       #if ENABLED(ULTRA_LCD) && ENABLED(LCD_SET_PROGRESS_MANUALLY)
         case 73: // M73: Set print progress percentage

Marlin/SanityCheck.h

@@ -180,10 +180,12 @@
   #error "MESH_NUM_[XY]_POINTS is now GRID_MAX_POINTS_[XY]. Please update your configuration."
 #elif defined(UBL_MESH_NUM_X_POINTS) || defined(UBL_MESH_NUM_Y_POINTS)
   #error "UBL_MESH_NUM_[XY]_POINTS is now GRID_MAX_POINTS_[XY]. Please update your configuration."
+#elif defined(UBL_G26_MESH_VALIDATION)
+  #error "UBL_G26_MESH_VALIDATION is now G26_MESH_VALIDATION. Please update your configuration."
 #elif defined(UBL_MESH_EDIT_ENABLED)
-  #error "UBL_MESH_EDIT_ENABLED is now UBL_G26_MESH_VALIDATION. Please update your configuration."
+  #error "UBL_MESH_EDIT_ENABLED is now G26_MESH_VALIDATION. Please update your configuration."
 #elif defined(UBL_MESH_EDITING)
-  #error "UBL_MESH_EDITING is now UBL_G26_MESH_VALIDATION. Please update your configuration."
+  #error "UBL_MESH_EDITING is now G26_MESH_VALIDATION. Please update your configuration."
 #elif defined(BLTOUCH_HEATERS_OFF)
   #error "BLTOUCH_HEATERS_OFF is now PROBING_HEATERS_OFF. Please update your configuration."
 #elif defined(BEEPER)
@@ -804,6 +806,10 @@ static_assert(1 >= 0
 
 #endif
 
+#if !HAS_MESH && ENABLED(G26_MESH_VALIDATION)
+  #error "G26_MESH_VALIDATION requires MESH_BED_LEVELING, AUTO_BED_LEVELING_BILINEAR, or AUTO_BED_LEVELING_UBL."
+#endif
+
 /**
  * LCD_BED_LEVELING requirements
  */

Marlin/bitmap_flags.h

@@ -0,0 +1,38 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016, 2017 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef _BITMAP_FLAGS_H_
+#define _BITMAP_FLAGS_H_
+
+#include "macros.h"
+
+/**
+ * These support functions allow the use of large bit arrays of flags that take very
+ * little RAM. Currently they are limited to being 16x16 in size. Changing the declaration
+ * to unsigned long will allow us to go to 32x32 if higher resolution meshes are needed
+ * in the future.
+ */
+FORCE_INLINE void bit_clear(uint16_t bits[16], const uint8_t x, const uint8_t y) { CBI(bits[y], x); }
+FORCE_INLINE void bit_set(uint16_t bits[16], const uint8_t x, const uint8_t y) { SBI(bits[y], x); }
+FORCE_INLINE bool is_bit_set(uint16_t bits[16], const uint8_t x, const uint8_t y) { return TEST(bits[y], x); }
+
+#endif // _BITMAP_FLAGS_H_

Marlin/example_configurations/AlephObjects/TAZ4/Configuration.h

@@ -910,6 +910,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -976,13 +988,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/AliExpress/CL-260/Configuration.h

@@ -890,6 +890,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -956,13 +968,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/Anet/A6/Configuration.h

@@ -1009,6 +1009,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -1099,13 +1111,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/Anet/A8/Configuration.h

@@ -897,6 +897,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -963,13 +975,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/BQ/Hephestos/Configuration.h

@@ -881,6 +881,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -947,13 +959,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/BQ/Hephestos_2/Configuration.h

@@ -891,6 +891,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -957,13 +969,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/BQ/WITBOX/Configuration.h

@@ -881,6 +881,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -947,13 +959,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/Cartesio/Configuration.h

@@ -889,6 +889,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -955,13 +967,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/Creality/CR-10/Configuration.h

@@ -900,6 +900,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -966,13 +978,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  //#define UBL_G26_MESH_VALIDATION // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/Felix/Configuration.h

@@ -872,6 +872,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -938,13 +950,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/Felix/DUAL/Configuration.h

@@ -872,6 +872,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -938,13 +950,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/FolgerTech/i3-2020/Configuration.h

@@ -893,6 +893,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -961,13 +973,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 25
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/Geeetech/GT2560/Configuration.h

@@ -905,6 +905,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -971,13 +983,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/Geeetech/I3_Pro_X-GT2560/Configuration.h

@@ -890,6 +890,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -956,13 +968,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/Infitary/i3-M508/Configuration.h

@@ -894,6 +894,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -960,13 +972,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/Malyan/M150/Configuration.h

@@ -918,6 +918,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -984,13 +996,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/Micromake/C1/basic/Configuration.h

@@ -894,6 +894,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -960,13 +972,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  //#define UBL_G26_MESH_VALIDATION // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/Micromake/C1/enhanced/Configuration.h

@@ -894,6 +894,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -960,13 +972,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  //#define UBL_G26_MESH_VALIDATION // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h

@@ -890,6 +890,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -956,13 +968,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/RigidBot/Configuration.h

@@ -888,6 +888,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -954,13 +966,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/SCARA/Configuration.h

@@ -902,6 +902,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -968,13 +980,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/Sanguinololu/Configuration.h

@@ -921,6 +921,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -987,13 +999,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  //#define UBL_G26_MESH_VALIDATION // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/TinyBoy2/Configuration.h

@@ -946,6 +946,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -1012,13 +1024,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/Velleman/K8200/Configuration.h

@@ -920,6 +920,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -986,13 +998,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/Velleman/K8400/Configuration.h

@@ -890,6 +890,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -956,13 +968,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/Velleman/K8400/Dual-head/Configuration.h

@@ -890,6 +890,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -956,13 +968,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/adafruit/ST7565/Configuration.h

@@ -890,6 +890,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -956,13 +968,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/delta/FLSUN/auto_calibrate/Configuration.h

@@ -1020,6 +1020,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   //#define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -1090,13 +1102,6 @@
   #define UBL_PROBE_PT_3_X _PX(DELTA_PROBEABLE_RADIUS, 240)
   #define UBL_PROBE_PT_3_Y _PY(DELTA_PROBEABLE_RADIUS, 240)
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/delta/FLSUN/kossel_mini/Configuration.h

@@ -1020,6 +1020,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   //#define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -1084,13 +1096,6 @@
   #define UBL_PROBE_PT_3_X _PX(DELTA_PROBEABLE_RADIUS, 240)
   #define UBL_PROBE_PT_3_Y _PY(DELTA_PROBEABLE_RADIUS, 240)
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/delta/generic/Configuration.h

@@ -1011,6 +1011,18 @@
   // Set the boundaries for probing (where the probe can reach).
   #define DELTA_PROBEABLE_RADIUS (DELTA_PRINTABLE_RADIUS - 10)
 
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -1079,13 +1091,6 @@
   #define UBL_PROBE_PT_3_X _PX(DELTA_PROBEABLE_RADIUS, 240)
   #define UBL_PROBE_PT_3_Y _PY(DELTA_PROBEABLE_RADIUS, 240)
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/delta/kossel_mini/Configuration.h

@@ -1014,6 +1014,18 @@
   // Set the boundaries for probing (where the probe can reach).
   #define DELTA_PROBEABLE_RADIUS (DELTA_PRINTABLE_RADIUS - 10)
 
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -1082,13 +1094,6 @@
   #define UBL_PROBE_PT_3_X _PX(DELTA_PROBEABLE_RADIUS, 240)
   #define UBL_PROBE_PT_3_Y _PY(DELTA_PROBEABLE_RADIUS, 240)
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/delta/kossel_pro/Configuration.h

@@ -1014,6 +1014,18 @@
   // Set the boundaries for probing (where the probe can reach).
   #define DELTA_PROBEABLE_RADIUS (DELTA_PRINTABLE_RADIUS - 10)
 
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -1082,13 +1094,6 @@
   #define UBL_PROBE_PT_3_X _PX(DELTA_PROBEABLE_RADIUS, 240)
   #define UBL_PROBE_PT_3_Y _PY(DELTA_PROBEABLE_RADIUS, 240)
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/delta/kossel_xl/Configuration.h

@@ -1023,6 +1023,18 @@
   // Set the boundaries for probing (where the probe can reach).
   #define DELTA_PROBEABLE_RADIUS (DELTA_PRINTABLE_RADIUS - 10)
 
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -1091,13 +1103,6 @@
   #define UBL_PROBE_PT_3_X _PX(DELTA_PROBEABLE_RADIUS, 240)
   #define UBL_PROBE_PT_3_Y _PY(DELTA_PROBEABLE_RADIUS, 240)
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/gCreate/gMax1.5+/Configuration.h

@@ -904,6 +904,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -970,13 +982,6 @@
   #define UBL_PROBE_PT_3_X 348
   #define UBL_PROBE_PT_3_Y 211
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/makibox/Configuration.h

@@ -893,6 +893,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -959,13 +971,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/tvrrug/Round2/Configuration.h

@@ -885,6 +885,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -951,13 +963,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/example_configurations/wt150/Configuration.h

@@ -895,6 +895,18 @@
   // at which point movement will be level to the machine's XY plane.
   // The height can be set with M420 Z<height>
   #define ENABLE_LEVELING_FADE_HEIGHT
+
+  /**
+   * Enable the G26 Mesh Validation Pattern tool.
+   */
+  //#define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #if ENABLED(G26_MESH_VALIDATION)
+    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
+    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
+    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
+    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
+  #endif
+
 #endif
 
 #if ENABLED(AUTO_BED_LEVELING_LINEAR) || ENABLED(AUTO_BED_LEVELING_BILINEAR)
@@ -961,13 +973,6 @@
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
 
-  #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
-    #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
-    #define MESH_TEST_HOTEND_TEMP   205.0   // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
-    #define MESH_TEST_BED_TEMP       60.0   // (°C) Default bed temperature for the G26 Mesh Validation Tool.
-  #endif
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
   #define UBL_SAVE_ACTIVE_ON_M500   // Save the currently active mesh in the current slot on M500
 

Marlin/planner.cpp

@@ -58,6 +58,7 @@
  *
  */
 
+#include "MarlinConfig.h"
 #include "planner.h"
 #include "stepper.h"
 #include "temperature.h"

Marlin/types.h

@@ -25,4 +25,9 @@
 
 typedef unsigned long millis_t;
 
+typedef struct {
+  int8_t x_index, y_index;
+  float distance; // When populated, the distance from the search location
+} mesh_index_pair;
+
 #endif

Marlin/ubl.cpp

@@ -30,16 +30,6 @@
   #include "temperature.h"
   #include "planner.h"
 
-  /**
-   * These support functions allow the use of large bit arrays of flags that take very
-   * little RAM. Currently they are limited to being 16x16 in size. Changing the declaration
-   * to unsigned long will allow us to go to 32x32 if higher resolution Mesh's are needed
-   * in the future.
-   */
-  void bit_clear(uint16_t bits[16], const uint8_t x, const uint8_t y) { CBI(bits[y], x); }
-  void bit_set(uint16_t bits[16], const uint8_t x, const uint8_t y) { SBI(bits[y], x); }
-  bool is_bit_set(uint16_t bits[16], const uint8_t x, const uint8_t y) { return TEST(bits[y], x); }
-
   uint8_t ubl_cnt = 0;
 
   void unified_bed_leveling::echo_name() { SERIAL_PROTOCOLPGM("Unified Bed Leveling"); }
@@ -70,9 +60,6 @@
   constexpr float unified_bed_leveling::_mesh_index_to_xpos[16],
                   unified_bed_leveling::_mesh_index_to_ypos[16];
 
-  bool unified_bed_leveling::g26_debug_flag = false,
-       unified_bed_leveling::has_control_of_lcd_panel = false;
-
   #if ENABLED(ULTIPANEL)
     bool unified_bed_leveling::lcd_map_control = false;
   #endif

Marlin/ubl.h

@@ -39,17 +39,6 @@
   #define USE_NOZZLE_AS_REFERENCE 0
   #define USE_PROBE_AS_REFERENCE 1
 
-  typedef struct {
-    int8_t x_index, y_index;
-    float distance; // When populated, the distance from the search location
-  } mesh_index_pair;
-
-  // ubl.cpp
-
-  void bit_clear(uint16_t bits[16], const uint8_t x, const uint8_t y);
-  void bit_set(uint16_t bits[16], const uint8_t x, const uint8_t y);
-  bool is_bit_set(uint16_t bits[16], const uint8_t x, const uint8_t y);
-
   // ubl_motion.cpp
 
   void debug_current_and_destination(const char * const title);
@@ -61,7 +50,6 @@
   // External references
 
   char *ftostr43sign(const float&, char);
-  bool ubl_lcd_clicked();
   void home_all_axes();
 
   extern uint8_t ubl_cnt;
@@ -93,22 +81,6 @@
         static int  g29_grid_size;
       #endif
 
-      #if ENABLED(UBL_G26_MESH_VALIDATION)
-        static float   g26_extrusion_multiplier,
-                       g26_retraction_multiplier,
-                       g26_nozzle,
-                       g26_filament_diameter,
-                       g26_prime_length,
-                       g26_x_pos, g26_y_pos,
-                       g26_ooze_amount,
-                       g26_layer_height;
-        static int16_t g26_bed_temp,
-                       g26_hotend_temp,
-                       g26_repeats;
-        static int8_t  g26_prime_flag;
-        static bool    g26_continue_with_closest, g26_keep_heaters_on;
-      #endif
-
       static float measure_point_with_encoder();
       static float measure_business_card_thickness(float);
       static bool g29_parameter_parsing();
@@ -125,21 +97,6 @@
       static bool smart_fill_one(const uint8_t x, const uint8_t y, const int8_t xdir, const int8_t ydir);
       static void smart_fill_mesh();
 
-      #if ENABLED(UBL_G26_MESH_VALIDATION)
-        static bool exit_from_g26();
-        static bool parse_G26_parameters();
-        static void G26_line_to_destination(const float &feed_rate);
-        static mesh_index_pair find_closest_circle_to_print(const float&, const float&);
-        static bool look_for_lines_to_connect();
-        static bool turn_on_heaters();
-        static bool prime_nozzle();
-        static void retract_filament(const float where[XYZE]);
-        static void recover_filament(const float where[XYZE]);
-        static void print_line_from_here_to_there(const float&, const float&, const float&, const float&, const float&, const float&);
-        static void move_to(const float&, const float&, const float&, const float&);
-        inline static void move_to(const float where[XYZE], const float &de) { move_to(where[X_AXIS], where[Y_AXIS], where[Z_AXIS], de); }
-      #endif
-
     public:
 
       static void echo_name();
@@ -147,8 +104,8 @@
       static void save_ubl_active_state_and_disable();
       static void restore_ubl_active_state_and_leave();
       static void display_map(const int);
-    static mesh_index_pair find_closest_mesh_point_of_type(const MeshPointType, const float&, const float&, const bool, uint16_t[16]);
-    static mesh_index_pair find_furthest_invalid_mesh_point();
+      static mesh_index_pair find_closest_mesh_point_of_type(const MeshPointType, const float&, const float&, const bool, uint16_t[16]);
+      static mesh_index_pair find_furthest_invalid_mesh_point();
       static void reset();
       static void invalidate();
       static void set_all_mesh_points_to_value(const float);
@@ -156,11 +113,6 @@
 
       static void G29() _O0;                          // O0 for no optimization
       static void smart_fill_wlsf(const float &) _O2; // O2 gives smaller code than Os on A2560
-
-      #if ENABLED(UBL_G26_MESH_VALIDATION)
-        static void G26();
-      #endif
-
       static int8_t storage_slot;
 
       static float z_values[GRID_MAX_POINTS_X][GRID_MAX_POINTS_Y];
@@ -189,8 +141,6 @@
                                 MESH_MIN_Y + 14 * (MESH_Y_DIST), MESH_MIN_Y + 15 * (MESH_Y_DIST)
                               };
 
-      static bool g26_debug_flag, has_control_of_lcd_panel;
-
       #if ENABLED(ULTIPANEL)
         static bool lcd_map_control;
       #endif
@@ -390,15 +340,10 @@
         || isnan(z_values[0][0])
       );
     }
-
   }; // class unified_bed_leveling
 
   extern unified_bed_leveling ubl;
 
-  #if ENABLED(UBL_G26_MESH_VALIDATION)
-    FORCE_INLINE void gcode_G26() { ubl.G26(); }
-  #endif
-
   FORCE_INLINE void gcode_G29() { ubl.G29(); }
 
 #endif // AUTO_BED_LEVELING_UBL

Marlin/ubl_G29.cpp

@@ -32,6 +32,7 @@
   #include "stepper.h"
   #include "planner.h"
   #include "gcode.h"
+  #include "bitmap_flags.h"
 
   #include <math.h>
   #include "least_squares_fit.h"
@@ -676,8 +677,7 @@
       lcd_reset_alert_level();
       LCD_MESSAGEPGM("");
       lcd_quick_feedback();
-
-      has_control_of_lcd_panel = false;
+      lcd_external_control = false;
     #endif
 
     return;
@@ -736,7 +736,10 @@
     void unified_bed_leveling::probe_entire_mesh(const float &rx, const float &ry, const bool do_ubl_mesh_map, const bool stow_probe, bool close_or_far) {
       mesh_index_pair location;
 
-      has_control_of_lcd_panel = true;
+      #if ENABLED(NEWPANEL)
+        lcd_external_control = true;
+      #endif
+
       save_ubl_active_state_and_disable();   // we don't do bed level correction because we want the raw data when we probe
       DEPLOY_PROBE();
 
@@ -746,12 +749,12 @@
         if (do_ubl_mesh_map) display_map(g29_map_type);
 
         #if ENABLED(NEWPANEL)
-          if (ubl_lcd_clicked()) {
+          if (is_lcd_clicked()) {
             SERIAL_PROTOCOLLNPGM("\nMesh only partially populated.\n");
             lcd_quick_feedback();
             STOW_PROBE();
-            while (ubl_lcd_clicked()) idle();
-            has_control_of_lcd_panel = false;
+            while (is_lcd_clicked()) idle();
+            lcd_external_control = false;
             restore_ubl_active_state_and_leave();
             safe_delay(50);  // Debounce the Encoder wheel
             return;
@@ -889,13 +892,14 @@
   #endif // HAS_BED_PROBE
 
   #if ENABLED(NEWPANEL)
+
     float unified_bed_leveling::measure_point_with_encoder() {
 
-      while (ubl_lcd_clicked()) delay(50);  // wait for user to release encoder wheel
+      while (is_lcd_clicked()) delay(50);  // wait for user to release encoder wheel
       delay(50);  // debounce
 
       KEEPALIVE_STATE(PAUSED_FOR_USER);
-      while (!ubl_lcd_clicked()) {     // we need the loop to move the nozzle based on the encoder wheel here!
+      while (!is_lcd_clicked()) {     // we need the loop to move the nozzle based on the encoder wheel here!
         idle();
         if (encoder_diff) {
           do_blocking_move_to_z(current_position[Z_AXIS] + 0.01 * float(encoder_diff));
@@ -909,7 +913,7 @@
     static void echo_and_take_a_measurement() { SERIAL_PROTOCOLLNPGM(" and take a measurement."); }
 
     float unified_bed_leveling::measure_business_card_thickness(float in_height) {
-      has_control_of_lcd_panel = true;
+      lcd_external_control = true;
       save_ubl_active_state_and_disable();   // Disable bed level correction for probing
 
       do_blocking_move_to(0.5 * (MESH_MAX_X - (MESH_MIN_X)), 0.5 * (MESH_MAX_Y - (MESH_MIN_Y)), in_height);
@@ -943,7 +947,7 @@
 
       in_height = current_position[Z_AXIS]; // do manual probing at lower height
 
-      has_control_of_lcd_panel = false;
+      lcd_external_control = false;
 
       restore_ubl_active_state_and_leave();
 
@@ -952,7 +956,7 @@
 
     void unified_bed_leveling::manually_probe_remaining_mesh(const float &rx, const float &ry, const float &z_clearance, const float &thick, const bool do_ubl_mesh_map) {
 
-      has_control_of_lcd_panel = true;
+      lcd_external_control = true;
 
       save_ubl_active_state_and_disable();   // we don't do bed level correction because we want the raw data when we probe
       do_blocking_move_to(rx, ry, Z_CLEARANCE_BETWEEN_PROBES);
@@ -976,7 +980,7 @@
         do_blocking_move_to_z(z_clearance);
 
         KEEPALIVE_STATE(PAUSED_FOR_USER);
-        has_control_of_lcd_panel = true;
+        lcd_external_control = true;
 
         if (do_ubl_mesh_map) display_map(g29_map_type);  // show user where we're probing
 
@@ -985,9 +989,9 @@
         const float z_step = 0.01;                                        // existing behavior: 0.01mm per click, occasionally step
         //const float z_step = 1.0 / planner.axis_steps_per_mm[Z_AXIS];   // approx one step each click
 
-        while (ubl_lcd_clicked()) delay(50);             // wait for user to release encoder wheel
+        while (is_lcd_clicked()) delay(50);             // wait for user to release encoder wheel
         delay(50);                                       // debounce
-        while (!ubl_lcd_clicked()) {                     // we need the loop to move the nozzle based on the encoder wheel here!
+        while (!is_lcd_clicked()) {                     // we need the loop to move the nozzle based on the encoder wheel here!
           idle();
           if (encoder_diff) {
             do_blocking_move_to_z(current_position[Z_AXIS] + float(encoder_diff) * z_step);
@@ -995,11 +999,11 @@
           }
         }
 
-        // this sequence to detect an ubl_lcd_clicked() debounce it and leave if it is
+        // this sequence to detect an is_lcd_clicked() debounce it and leave if it is
         // a Press and Hold is repeated in a lot of places (including G26_Mesh_Validation.cpp).   This
         // should be redone and compressed.
         const millis_t nxt = millis() + 1500L;
-        while (ubl_lcd_clicked()) {     // debounce and watch for abort
+        while (is_lcd_clicked()) {     // debounce and watch for abort
           idle();
           if (ELAPSED(millis(), nxt)) {
             SERIAL_PROTOCOLLNPGM("\nMesh only partially populated.");
@@ -1007,8 +1011,8 @@
 
             #if ENABLED(NEWPANEL)
               lcd_quick_feedback();
-              while (ubl_lcd_clicked()) idle();
-              has_control_of_lcd_panel = false;
+              while (is_lcd_clicked()) idle();
+              lcd_external_control = false;
             #endif
 
             KEEPALIVE_STATE(IN_HANDLER);
@@ -1510,7 +1514,7 @@
         new_z = FLOOR(new_z * 1000.0) * 0.001; // Chop off digits after the 1000ths place
 
         KEEPALIVE_STATE(PAUSED_FOR_USER);
-        has_control_of_lcd_panel = true;
+        lcd_external_control = true;
 
         if (do_ubl_mesh_map) display_map(g29_map_type);  // show the user which point is being adjusted
 
@@ -1524,27 +1528,27 @@
             do_blocking_move_to_z(h_offset + new_z); // Move the nozzle as the point is edited
           #endif
           idle();
-        } while (!ubl_lcd_clicked());
+        } while (!is_lcd_clicked());
 
         if (!lcd_map_control) lcd_return_to_status();
 
         // The technique used here generates a race condition for the encoder click.
         // It could get detected in lcd_mesh_edit (actually _lcd_mesh_fine_tune) or here.
         // Let's work on specifying a proper API for the LCD ASAP, OK?
-        has_control_of_lcd_panel = true;
+        lcd_external_control = true;
 
-        // this sequence to detect an ubl_lcd_clicked() debounce it and leave if it is
+        // this sequence to detect an is_lcd_clicked() debounce it and leave if it is
         // a Press and Hold is repeated in a lot of places (including G26_Mesh_Validation.cpp).   This
         // should be redone and compressed.
         const millis_t nxt = millis() + 1500UL;
-        while (ubl_lcd_clicked()) { // debounce and watch for abort
+        while (is_lcd_clicked()) { // debounce and watch for abort
           idle();
           if (ELAPSED(millis(), nxt)) {
             lcd_return_to_status();
             do_blocking_move_to_z(Z_CLEARANCE_BETWEEN_PROBES);
             LCD_MESSAGEPGM(MSG_EDITING_STOPPED);
 
-            while (ubl_lcd_clicked()) idle();
+            while (is_lcd_clicked()) idle();
 
             goto FINE_TUNE_EXIT;
           }
@@ -1560,7 +1564,7 @@
 
       FINE_TUNE_EXIT:
 
-      has_control_of_lcd_panel = false;
+      lcd_external_control = false;
       KEEPALIVE_STATE(IN_HANDLER);
 
       if (do_ubl_mesh_map) display_map(g29_map_type);

Marlin/ubl_motion.cpp

@@ -38,23 +38,23 @@
     extern void set_current_from_destination();
   #endif
 
-#if ENABLED(DELTA)
+  #if ENABLED(DELTA)
 
-  extern float delta[ABC];
+    extern float delta[ABC];
 
-  extern float delta_endstop_adj[ABC],
-               delta_radius,
-               delta_tower_angle_trim[ABC],
-               delta_tower[ABC][2],
-               delta_diagonal_rod,
-               delta_calibration_radius,
-               delta_diagonal_rod_2_tower[ABC],
-               delta_segments_per_second,
-               delta_clip_start_height;
+    extern float delta_endstop_adj[ABC],
+                 delta_radius,
+                 delta_tower_angle_trim[ABC],
+                 delta_tower[ABC][2],
+                 delta_diagonal_rod,
+                 delta_calibration_radius,
+                 delta_diagonal_rod_2_tower[ABC],
+                 delta_segments_per_second,
+                 delta_clip_start_height;
 
-  extern float delta_safe_distance_from_top();
+    extern float delta_safe_distance_from_top();
 
-#endif
+  #endif
 
 
   static void debug_echo_axis(const AxisEnum axis) {
@@ -68,7 +68,7 @@
 
     // if the title message starts with a '!' it is so important, we are going to
     // ignore the status of the g26_debug_flag
-    if (*title != '!' && !ubl.g26_debug_flag) return;
+    if (*title != '!' && !g26_debug_flag) return;
 
     const float de = destination[E_AXIS] - current_position[E_AXIS];
 

Marlin/ultralcd.cpp

@@ -57,6 +57,10 @@
   extern void mesh_probing_done();
 #endif
 
+#if ENABLED(AUTO_BED_LEVELING_UBL) || ENABLED(G26_MESH_VALIDATION)
+  bool lcd_external_control;
+#endif
+
 // Initialized by settings.load()
 int16_t lcd_preheat_hotend_temp[2], lcd_preheat_bed_temp[2], lcd_preheat_fan_speed[2];
 
@@ -4603,8 +4607,8 @@ void lcd_update() {
 
     lcd_buttons_update();
 
-    #if ENABLED(AUTO_BED_LEVELING_UBL)
-      const bool UBL_CONDITION = !ubl.has_control_of_lcd_panel;
+    #if ENABLED(AUTO_BED_LEVELING_UBL) || ENABLED(G26_MESH_VALIDATION)
+      const bool UBL_CONDITION = lcd_external_control;
     #else
       constexpr bool UBL_CONDITION = true;
     #endif
@@ -5071,7 +5075,7 @@ void lcd_reset_alert_level() { lcd_status_message_level = 0; }
         case encrot3: ENCODER_SPIN(encrot2, encrot0); break;
       }
       #if ENABLED(AUTO_BED_LEVELING_UBL)
-        if (ubl.has_control_of_lcd_panel) {
+        if (lcd_external_control) {
           ubl.encoder_diff = encoderDiff;   // Make the encoder's rotation available to G29's Mesh Editor
           encoderDiff = 0;                  // We are going to lie to the LCD Panel and claim the encoder
                                             // knob has not turned.
@@ -5087,18 +5091,18 @@ void lcd_reset_alert_level() { lcd_status_message_level = 0; }
     bool lcd_detected() { return true; }
   #endif
 
-  #if ENABLED(AUTO_BED_LEVELING_UBL)
-
-    void chirp_at_user() {
+  #if ENABLED(G26_MESH_VALIDATION)
+    void lcd_chirp() {
       #if ENABLED(LCD_USE_I2C_BUZZER)
         lcd.buzz(LCD_FEEDBACK_FREQUENCY_DURATION_MS, LCD_FEEDBACK_FREQUENCY_HZ);
       #elif PIN_EXISTS(BEEPER)
         buzzer.tone(LCD_FEEDBACK_FREQUENCY_DURATION_MS, LCD_FEEDBACK_FREQUENCY_HZ);
       #endif
     }
+  #endif
 
-    bool ubl_lcd_clicked() { return LCD_CLICKED; }
-
+  #if ENABLED(AUTO_BED_LEVELING_UBL) || ENABLED(G26_MESH_VALIDATION)
+    bool is_lcd_clicked() { return LCD_CLICKED; }
   #endif
 
 #endif // ULTIPANEL

Marlin/ultralcd.h

@@ -27,6 +27,13 @@
 
 #if ENABLED(ULTRA_LCD)
 
+  #if ENABLED(AUTO_BED_LEVELING_UBL) || ENABLED(G26_MESH_VALIDATION)
+    extern bool lcd_external_control;
+    #if ENABLED(G26_MESH_VALIDATION)
+      void lcd_chirp();
+    #endif
+  #endif
+
   #define BUTTON_EXISTS(BN) (defined(BTN_## BN) && BTN_## BN >= 0)
   #define BUTTON_PRESSED(BN) !READ(BTN_## BN)
 
@@ -167,6 +174,10 @@
     #define LCD_CLICKED false
   #endif
 
+  #if ENABLED(AUTO_BED_LEVELING_UBL) || ENABLED(G26_MESH_VALIDATION)
+    bool is_lcd_clicked();
+  #endif
+
   #if ENABLED(LCD_SET_PROGRESS_MANUALLY) && (ENABLED(LCD_PROGRESS_BAR) || ENABLED(DOGLCD))
     extern uint8_t progress_bar_percent;
   #endif