Remove requirement for LCD when UBL is used. (#6971)

* Remove requirement for LCD when UBL is used.

* fix previous oversights

* further refinement - error messages for P2 & P4

* require R on G26 when not using LCD; default to all points

Marlin/G26_Mesh_Validation_Tool.cpp

@@ -99,7 +99,8 @@
    *                    will be purged before continuing.  If no amount is specified the command will start
    *                    purging filament until the user provides an LCD Click and then it will continue with
    *                    printing the Mesh.  You can carefully remove the spent filament with a needle nose
-   *                    pliers while holding the LCD Click wheel in a depressed state.
+   *                    pliers while holding the LCD Click wheel in a depressed state.  If you do not have
+   *                    an LCD, you must specify a value if you use P.
    *
    *   Q #  Multiplier  Retraction Multiplier.  Normally not needed.  Retraction defaults to 1.0mm and
    *                    un-retraction is at 1.2mm   These numbers will be scaled by the specified amount
@@ -108,6 +109,11 @@
    *                    If a parameter isn't given, every point will be printed unless G26 is interrupted.
    *                    This works the same way that the UBL G29 P4 R parameter works.
    *
+   *                    NOTE:  If you do not have an LCD, you -must- specify R.  This is to ensure that you are
+   *                    aware that there's some risk associated with printing without the ability to abort in
+   *                    cases where mesh point Z value may be inaccurate.  As above, if you do not include a
+   *                    parameter, every point will be printed.
+   *
    *   S #  Nozzle      Used to control the size of nozzle diameter.  If not specified, a .4mm nozzle is assumed.
    *
    *   U #  Random      Randomize the order that the circles are drawn on the bed.  The search for the closest
@@ -131,9 +137,11 @@
   void set_destination_to_current();
   void set_current_to_destination();
   void prepare_move_to_destination();
-  void lcd_setstatusPGM(const char* const message, const int8_t level);
   void sync_plan_position_e();
-  void chirp_at_user();
+  #if ENABLED(NEWPANEL)
+    void lcd_setstatusPGM(const char* const message, const int8_t level);
+    void chirp_at_user();
+  #endif
 
   // Private functions
 
@@ -173,28 +181,30 @@
     feedrate_mm_s = save_feedrate;  // restore global feed rate
   }
 
-  /**
-   * Detect ubl_lcd_clicked, debounce it, and return true for cancel
-   */
-  bool user_canceled() {
-    if (!ubl_lcd_clicked()) return false;
-    safe_delay(10);                       // Wait for click to settle
+  #if ENABLED(NEWPANEL)
+    /**
+     * Detect ubl_lcd_clicked, debounce it, and return true for cancel
+     */
+    bool user_canceled() {
+      if (!ubl_lcd_clicked()) return false;
+      safe_delay(10);                       // Wait for click to settle
 
-    #if ENABLED(ULTRA_LCD)
-      lcd_setstatusPGM(PSTR("Mesh Validation Stopped."), 99);
-      lcd_quick_feedback();
-    #endif
+      #if ENABLED(ULTRA_LCD)
+        lcd_setstatusPGM(PSTR("Mesh Validation Stopped."), 99);
+        lcd_quick_feedback();
+      #endif
 
-    while (!ubl_lcd_clicked()) idle();    // Wait for button release
+      while (!ubl_lcd_clicked()) idle();    // Wait for button release
 
-    // If the button is suddenly pressed again,
-    // ask the user to resolve the issue
-    lcd_setstatusPGM(PSTR("Release button"), 99); // will never appear...
-    while (ubl_lcd_clicked()) idle();             // unless this loop happens
-    lcd_reset_status();
+      // If the button is suddenly pressed again,
+      // ask the user to resolve the issue
+      lcd_setstatusPGM(PSTR("Release button"), 99); // will never appear...
+      while (ubl_lcd_clicked()) idle();             // unless this loop happens
+      lcd_reset_status();
 
-    return true;
-  }
+      return true;
+    }
+  #endif
 
   /**
    * G26: Mesh Validation Pattern generation.
@@ -310,7 +320,9 @@
 
         for (tmp = start_angle; tmp < end_angle - 0.1; tmp += 30.0) {
 
-          if (user_canceled()) goto LEAVE;              // Check if the user wants to stop the Mesh Validation
+          #if ENABLED(NEWPANEL)
+            if (user_canceled()) goto LEAVE;              // Check if the user wants to stop the Mesh Validation
+          #endif
 
           int tmp_div_30 = tmp / 30.0;
           if (tmp_div_30 < 0) tmp_div_30 += 360 / 30;
@@ -426,7 +438,9 @@
     for (uint8_t i = 0; i < GRID_MAX_POINTS_X; i++) {
       for (uint8_t j = 0; j < GRID_MAX_POINTS_Y; j++) {
 
-        if (user_canceled()) return true;     // Check if the user wants to stop the Mesh Validation
+        #if ENABLED(NEWPANEL)
+          if (user_canceled()) return true;     // Check if the user wants to stop the Mesh Validation
+        #endif
 
         if (i < GRID_MAX_POINTS_X) { // We can't connect to anything to the right than GRID_MAX_POINTS_X.
                                      // This is already a half circle because we are at the edge of the bed.
@@ -663,9 +677,14 @@
     }
 
     if (parser.seen('P')) {
-      if (!parser.has_value())
-        g26_prime_flag = -1;
-      else {
+      if (!parser.has_value()) {
+        #if ENABLED(NEWPANEL)
+          g26_prime_flag = -1;
+        #else
+          SERIAL_PROTOCOLLNPGM("?Prime length must be specified when not using an LCD.");
+          return UBL_ERR;
+        #endif
+      } else {
         g26_prime_flag++;
         g26_prime_length = parser.value_linear_units();
         if (!WITHIN(g26_prime_length, 0.0, 25.0)) {
@@ -682,7 +701,7 @@
         return UBL_ERR;
       }
     }
-    g26_extrusion_multiplier *= sq(1.75) / sq(g26_filament_diameter);         // If we aren't using 1.75mm filament, we need to
+    g26_extrusion_multiplier *= sq(1.75) / sq(g26_filament_diameter); // If we aren't using 1.75mm filament, we need to
                                                                       // scale up or down the length needed to get the
                                                                       // same volume of filament
 
@@ -702,7 +721,14 @@
       random_deviation = parser.has_value() ? parser.value_float() : 50.0;
     }
 
-    g26_repeats = parser.seen('R') ? (parser.has_value() ? parser.value_int() : GRID_MAX_POINTS + 1) : GRID_MAX_POINTS + 1;
+    #if ENABLED(NEWPANEL)
+      g26_repeats = parser.seen('R') && parser.has_value() ? parser.value_int() : GRID_MAX_POINTS + 1;
+    #else
+      if (!parser.seen('R')) {
+        SERIAL_PROTOCOLLNPGM("?(R)epeat must be specified when not using an LCD.");
+        return UBL_ERR;
+      } else g26_repeats = parser.has_value() ? parser.value_int() : GRID_MAX_POINTS + 1;
+    #endif
     if (g26_repeats < 1) {
       SERIAL_PROTOCOLLNPGM("?(R)epeat value not plausible; must be at least 1.");
       return UBL_ERR;
@@ -723,11 +749,13 @@
     return UBL_OK;
   }
 
-  bool unified_bed_leveling::exit_from_g26() {
-    lcd_setstatusPGM(PSTR("Leaving G26"), -1);
-    while (ubl_lcd_clicked()) idle();
-    return UBL_ERR;
-  }
+  #if ENABLED(NEWPANEL)
+    bool unified_bed_leveling::exit_from_g26() {
+      lcd_setstatusPGM(PSTR("Leaving G26"), -1);
+      while (ubl_lcd_clicked()) idle();
+      return UBL_ERR;
+    }
+  #endif
 
   /**
    * Turn on the bed and nozzle heat and
@@ -744,7 +772,11 @@
           has_control_of_lcd_panel = true;
           thermalManager.setTargetBed(g26_bed_temp);
           while (abs(thermalManager.degBed() - g26_bed_temp) > 3) {
-            if (ubl_lcd_clicked()) return exit_from_g26();
+
+            #if ENABLED(NEWPANEL)
+              if (ubl_lcd_clicked()) return exit_from_g26();
+            #endif
+
             if (PENDING(millis(), next)) {
               next = millis() + 5000UL;
               print_heaterstates();
@@ -761,7 +793,11 @@
     // Start heating the nozzle and wait for it to reach temperature.
     thermalManager.setTargetHotend(g26_hotend_temp, 0);
     while (abs(thermalManager.degHotend(0) - g26_hotend_temp) > 3) {
-      if (ubl_lcd_clicked()) return exit_from_g26();
+
+      #if ENABLED(NEWPANEL)
+        if (ubl_lcd_clicked()) return exit_from_g26();
+      #endif
+
       if (PENDING(millis(), next)) {
         next = millis() + 5000UL;
         print_heaterstates();
@@ -781,49 +817,53 @@
    * Prime the nozzle if needed. Return true on error.
    */
   bool unified_bed_leveling::prime_nozzle() {
-    float Total_Prime = 0.0;
 
-    if (g26_prime_flag == -1) {  // The user wants to control how much filament gets purged
+    #if ENABLED(NEWPANEL)
+      float Total_Prime = 0.0;
 
-      has_control_of_lcd_panel = true;
+      if (g26_prime_flag == -1) {  // The user wants to control how much filament gets purged
 
-      lcd_setstatusPGM(PSTR("User-Controlled Prime"), 99);
-      chirp_at_user();
-
-      set_destination_to_current();
-
-      recover_filament(destination); // Make sure G26 doesn't think the filament is retracted().
-
-      while (!ubl_lcd_clicked()) {
+        has_control_of_lcd_panel = true;
+        lcd_setstatusPGM(PSTR("User-Controlled Prime"), 99);
         chirp_at_user();
-        destination[E_AXIS] += 0.25;
-        #ifdef PREVENT_LENGTHY_EXTRUDE
-          Total_Prime += 0.25;
-          if (Total_Prime >= EXTRUDE_MAXLENGTH) return UBL_ERR;
-        #endif
-        G26_line_to_destination(planner.max_feedrate_mm_s[E_AXIS] / 15.0);
 
-        stepper.synchronize();    // Without this synchronize, the purge is more consistent,
-                                  // but because the planner has a buffer, we won't be able
-                                  // to stop as quickly.  So we put up with the less smooth
-                                  // action to give the user a more responsive 'Stop'.
         set_destination_to_current();
-        idle();
-      }
 
-      while (ubl_lcd_clicked()) idle();           // Debounce Encoder Wheel
+        recover_filament(destination); // Make sure G26 doesn't think the filament is retracted().
 
-      #if ENABLED(ULTRA_LCD)
-        strcpy_P(lcd_status_message, PSTR("Done Priming")); // We can't do lcd_setstatusPGM() without having it continue;
-                                                            // So...  We cheat to get a message up.
-        lcd_setstatusPGM(PSTR("Done Priming"), 99);
-        lcd_quick_feedback();
-      #endif
+        while (!ubl_lcd_clicked()) {
+          chirp_at_user();
+          destination[E_AXIS] += 0.25;
+          #ifdef PREVENT_LENGTHY_EXTRUDE
+            Total_Prime += 0.25;
+            if (Total_Prime >= EXTRUDE_MAXLENGTH) return UBL_ERR;
+          #endif
+          G26_line_to_destination(planner.max_feedrate_mm_s[E_AXIS] / 15.0);
+
+          stepper.synchronize();    // Without this synchronize, the purge is more consistent,
+                                    // but because the planner has a buffer, we won't be able
+                                    // to stop as quickly.  So we put up with the less smooth
+                                    // action to give the user a more responsive 'Stop'.
+          set_destination_to_current();
+          idle();
+        }
 
-      has_control_of_lcd_panel = false;
+        while (ubl_lcd_clicked()) idle();           // Debounce Encoder Wheel
 
-    }
-    else {
+        #if ENABLED(ULTRA_LCD)
+          strcpy_P(lcd_status_message, PSTR("Done Priming")); // We can't do lcd_setstatusPGM() without having it continue;
+                                                              // So...  We cheat to get a message up.
+          lcd_setstatusPGM(PSTR("Done Priming"), 99);
+          lcd_quick_feedback();
+        #endif
+
+        has_control_of_lcd_panel = false;
+
+      }
+      else {
+    #else
+    {
+    #endif
       #if ENABLED(ULTRA_LCD)
         lcd_setstatusPGM(PSTR("Fixed Length Prime."), 99);
         lcd_quick_feedback();

Marlin/SanityCheck.h

@@ -468,8 +468,6 @@ static_assert(1 >= 0
 #if ENABLED(AUTO_BED_LEVELING_UBL)
   #if IS_SCARA
     #error "AUTO_BED_LEVELING_UBL does not yet support SCARA printers."
-  #elif DISABLED(NEWPANEL)
-    #error "AUTO_BED_LEVELING_UBL requires an LCD controller."
   #endif
 #endif
 

Marlin/ubl_G29.cpp

@@ -40,11 +40,14 @@
 
   extern float destination[XYZE], current_position[XYZE];
 
-  void lcd_return_to_status();
-  void lcd_mesh_edit_setup(float initial);
-  float lcd_mesh_edit();
-  void lcd_z_offset_edit_setup(float);
-  float lcd_z_offset_edit();
+  #if ENABLED(NEWPANEL)
+    void lcd_return_to_status();
+    void lcd_mesh_edit_setup(float initial);
+    float lcd_mesh_edit();
+    void lcd_z_offset_edit_setup(float);
+    float lcd_z_offset_edit();
+  #endif
+
   extern float meshedit_done;
   extern long babysteps_done;
   extern float probe_pt(const float &x, const float &y, bool, int);
@@ -149,9 +152,10 @@
    *                    parameter can be given to prioritize where the command should be trying to measure points.
    *                    If the X and Y parameters are not specified the current probe position is used.
    *                    P1 accepts a 'T' (Topology) parameter so you can observe mesh generation.
-   *                    P1 also watches for the LCD Panel Encoder Switch to be held down, and will suspend
-   *                    generation of the Mesh in that case. (Note: This check is only done between probe points,
-   *                    so you must press and hold the switch until the Phase 1 command detects it.)
+   *                    P1 also watches for the LCD Panel Encoder Switch to be held down (assuming you have one),
+   *                    and will suspend generation of the Mesh in that case. (Note: This check is only done
+   *                    between probe points, so you must press and hold the switch until the Phase 1 command
+   *                    detects it.)
    *
    *   P2    Phase 2    Probe areas of the Mesh that can't be automatically handled. Phase 2 respects an H
    *                    parameter to control the height between Mesh points. The default height for movement
@@ -187,6 +191,8 @@
    *                    Phase 2 allows the T (Map) parameter to be specified. This helps the user see the progression
    *                    of the Mesh being built.
    *
+   *                    NOTE:  P2 is not available unless you have LCD support enabled!
+   *
    *   P3    Phase 3    Fill the unpopulated regions of the Mesh with a fixed value. There are two different paths the
    *                    user can go down. If the user specifies the value using the C parameter, the closest invalid
    *                    mesh points to the nozzle will be filled. The user can specify a repeat count using the R
@@ -204,8 +210,9 @@
    *                    numbers. You should use some scrutiny and caution.
    *
    *   P4    Phase 4    Fine tune the Mesh. The Delta Mesh Compensation System assume the existence of
-   *                    an LCD Panel. It is possible to fine tune the mesh without the use of an LCD Panel.
-   *                    (More work and details on doing this later!)
+   *                    an LCD Panel. It is possible to fine tune the mesh without the use of an LCD Panel using
+   *                    G42 and M421; see the UBL documentation for further details.
+   *
    *                    The System will search for the closest Mesh Point to the nozzle. It will move the
    *                    nozzle to this location. The user can use the LCD Panel to carefully adjust the nozzle
    *                    so it is just barely touching the bed. When the user clicks the control, the System
@@ -228,6 +235,7 @@
    *                    LOWER the Mesh Point at the location. If you did not get good adheasion, you want to
    *                    RAISE the Mesh Point at that location.
    *
+   *                    NOTE:  P4 is not available unless you have LCD support enabled!
    *
    *   P5    Phase 5    Find Mean Mesh Height and Standard Deviation. Typically, it is easier to use and
    *                    work with the Mesh if it is Mean Adjusted. You can specify a C parameter to
@@ -452,52 +460,57 @@
           break;
 
         case 2: {
-          //
-          // Manually Probe Mesh in areas that can't be reached by the probe
-          //
-          SERIAL_PROTOCOLLNPGM("Manually probing unreachable mesh locations.");
-          do_blocking_move_to_z(Z_CLEARANCE_BETWEEN_PROBES);
-          if (!g29_x_flag && !g29_y_flag) {
-            /**
-             * Use a good default location for the path.
-             * The flipped > and < operators in these comparisons is intentional.
-             * It should cause the probed points to follow a nice path on Cartesian printers.
-             * It may make sense to have Delta printers default to the center of the bed.
-             * Until that is decided, this can be forced with the X and Y parameters.
-             */
-            #if IS_KINEMATIC
-              g29_x_pos = X_HOME_POS;
-              g29_y_pos = Y_HOME_POS;
-            #else // cartesian
-              g29_x_pos = X_PROBE_OFFSET_FROM_EXTRUDER > 0 ? X_MAX_POS : X_MIN_POS;
-              g29_y_pos = Y_PROBE_OFFSET_FROM_EXTRUDER < 0 ? Y_MAX_POS : Y_MIN_POS;
-            #endif
-          }
+          #if ENABLED(NEWPANEL)
+            //
+            // Manually Probe Mesh in areas that can't be reached by the probe
+            //
+            SERIAL_PROTOCOLLNPGM("Manually probing unreachable mesh locations.");
+            do_blocking_move_to_z(Z_CLEARANCE_BETWEEN_PROBES);
+            if (!g29_x_flag && !g29_y_flag) {
+              /**
+               * Use a good default location for the path.
+               * The flipped > and < operators in these comparisons is intentional.
+               * It should cause the probed points to follow a nice path on Cartesian printers.
+               * It may make sense to have Delta printers default to the center of the bed.
+               * Until that is decided, this can be forced with the X and Y parameters.
+               */
+              #if IS_KINEMATIC
+                g29_x_pos = X_HOME_POS;
+                g29_y_pos = Y_HOME_POS;
+              #else // cartesian
+                g29_x_pos = X_PROBE_OFFSET_FROM_EXTRUDER > 0 ? X_MAX_POS : X_MIN_POS;
+                g29_y_pos = Y_PROBE_OFFSET_FROM_EXTRUDER < 0 ? Y_MAX_POS : Y_MIN_POS;
+              #endif
+            }
 
-          if (parser.seen('C')) {
-            g29_x_pos = current_position[X_AXIS];
-            g29_y_pos = current_position[Y_AXIS];
-          }
+            if (parser.seen('C')) {
+              g29_x_pos = current_position[X_AXIS];
+              g29_y_pos = current_position[Y_AXIS];
+            }
 
-          float height = Z_CLEARANCE_BETWEEN_PROBES;
+            float height = Z_CLEARANCE_BETWEEN_PROBES;
 
-          if (parser.seen('B')) {
-            g29_card_thickness = parser.has_value() ? parser.value_float() : measure_business_card_thickness(height);
-            if (fabs(g29_card_thickness) > 1.5) {
-              SERIAL_PROTOCOLLNPGM("?Error in Business Card measurement.");
-              return;
+            if (parser.seen('B')) {
+              g29_card_thickness = parser.has_value() ? parser.value_float() : measure_business_card_thickness(height);
+              if (fabs(g29_card_thickness) > 1.5) {
+                SERIAL_PROTOCOLLNPGM("?Error in Business Card measurement.");
+                return;
+              }
             }
-          }
 
-          if (parser.seen('H') && parser.has_value()) height = parser.value_float();
+            if (parser.seen('H') && parser.has_value()) height = parser.value_float();
 
-          if (!position_is_reachable_xy(g29_x_pos, g29_y_pos)) {
-            SERIAL_PROTOCOLLNPGM("XY outside printable radius.");
-            return;
-          }
+            if (!position_is_reachable_xy(g29_x_pos, g29_y_pos)) {
+              SERIAL_PROTOCOLLNPGM("XY outside printable radius.");
+              return;
+            }
 
-          manually_probe_remaining_mesh(g29_x_pos, g29_y_pos, height, g29_card_thickness, parser.seen('T'));
-          SERIAL_PROTOCOLLNPGM("G29 P2 finished.");
+            manually_probe_remaining_mesh(g29_x_pos, g29_y_pos, height, g29_card_thickness, parser.seen('T'));
+            SERIAL_PROTOCOLLNPGM("G29 P2 finished.");
+          #else
+            SERIAL_PROTOCOLLNPGM("?P2 is only available when an LCD is present.");
+            return;
+          #endif
         } break;
 
         case 3: {
@@ -557,11 +570,13 @@
           break;
         }
 
-        case 4:
-          //
-          // Fine Tune (i.e., Edit) the Mesh
-          //
-          fine_tune_mesh(g29_x_pos, g29_y_pos, parser.seen('T'));
+        case 4: // Fine Tune (i.e., Edit) the Mesh
+          #if ENABLED(NEWPANEL)
+            fine_tune_mesh(g29_x_pos, g29_y_pos, parser.seen('T'));
+          #else
+            SERIAL_PROTOCOLLNPGM("?P4 is only available when an LCD is present.");
+            return;
+          #endif
           break;
 
         case 5: find_mean_mesh_height(); break;
@@ -716,11 +731,15 @@
 
     LEAVE:
 
-    lcd_reset_alert_level();
-    LCD_MESSAGEPGM("");
-    lcd_quick_feedback();
+    #if ENABLED(NEWPANEL)
+      lcd_reset_alert_level();
+      LCD_MESSAGEPGM("");
+      lcd_quick_feedback();
 
-    has_control_of_lcd_panel = false;
+      has_control_of_lcd_panel = false;
+    #endif
+
+    return;
   }
 
   void unified_bed_leveling::find_mean_mesh_height() {
@@ -782,16 +801,18 @@
     uint16_t max_iterations = GRID_MAX_POINTS;
 
     do {
-      if (ubl_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;
-        restore_ubl_active_state_and_leave();
-        safe_delay(50);  // Debounce the Encoder wheel
-        return;
-      }
+      #if ENABLED(NEWPANEL)
+        if (ubl_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;
+          restore_ubl_active_state_and_leave();
+          safe_delay(50);  // Debounce the Encoder wheel
+          return;
+        }
+      #endif
 
       location = find_closest_mesh_point_of_type(INVALID, lx, ly, USE_PROBE_AS_REFERENCE, NULL, close_or_far);
 
@@ -920,155 +941,165 @@
     }
   }
 
-  float unified_bed_leveling::measure_point_with_encoder() {
+  #if ENABLED(NEWPANEL)
+    float unified_bed_leveling::measure_point_with_encoder() {
 
-    while (ubl_lcd_clicked()) delay(50);  // wait for user to release encoder wheel
-    delay(50);  // debounce
+      while (ubl_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!
-      idle();
-      if (encoder_diff) {
-        do_blocking_move_to_z(current_position[Z_AXIS] + 0.01 * float(encoder_diff));
-        encoder_diff = 0;
+      KEEPALIVE_STATE(PAUSED_FOR_USER);
+      while (!ubl_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));
+          encoder_diff = 0;
+        }
       }
+      KEEPALIVE_STATE(IN_HANDLER);
+      return current_position[Z_AXIS];
     }
-    KEEPALIVE_STATE(IN_HANDLER);
-    return current_position[Z_AXIS];
-  }
 
-  static void echo_and_take_a_measurement() { SERIAL_PROTOCOLLNPGM(" and take a measurement."); }
+    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;
-    save_ubl_active_state_and_disable();   // Disable bed level correction for probing
+    float unified_bed_leveling::measure_business_card_thickness(float &in_height) {
+      has_control_of_lcd_panel = true;
+      save_ubl_active_state_and_disable();   // Disable bed level correction for probing
 
-    do_blocking_move_to_z(in_height);
-    do_blocking_move_to_xy(0.5 * (UBL_MESH_MAX_X - (UBL_MESH_MIN_X)), 0.5 * (UBL_MESH_MAX_Y - (UBL_MESH_MIN_Y)));
-      //, min(planner.max_feedrate_mm_s[X_AXIS], planner.max_feedrate_mm_s[Y_AXIS]) / 2.0);
-    stepper.synchronize();
+      do_blocking_move_to_z(in_height);
+      do_blocking_move_to_xy(0.5 * (UBL_MESH_MAX_X - (UBL_MESH_MIN_X)), 0.5 * (UBL_MESH_MAX_Y - (UBL_MESH_MIN_Y)));
+        //, min(planner.max_feedrate_mm_s[X_AXIS], planner.max_feedrate_mm_s[Y_AXIS]) / 2.0);
+      stepper.synchronize();
 
-    SERIAL_PROTOCOLPGM("Place shim under nozzle");
-    LCD_MESSAGEPGM("Place shim & measure"); // TODO: Make translatable string
-    lcd_return_to_status();
-    echo_and_take_a_measurement();
+      SERIAL_PROTOCOLPGM("Place shim under nozzle");
+      LCD_MESSAGEPGM("Place shim & measure"); // TODO: Make translatable string
+      lcd_return_to_status();
+      echo_and_take_a_measurement();
 
-    const float z1 = measure_point_with_encoder();
-    do_blocking_move_to_z(current_position[Z_AXIS] + SIZE_OF_LITTLE_RAISE);
-    stepper.synchronize();
+      const float z1 = measure_point_with_encoder();
+      do_blocking_move_to_z(current_position[Z_AXIS] + SIZE_OF_LITTLE_RAISE);
+      stepper.synchronize();
 
-    SERIAL_PROTOCOLPGM("Remove shim");
-    LCD_MESSAGEPGM("Remove & measure bed"); // TODO: Make translatable string
-    echo_and_take_a_measurement();
+      SERIAL_PROTOCOLPGM("Remove shim");
+      LCD_MESSAGEPGM("Remove & measure bed"); // TODO: Make translatable string
+      echo_and_take_a_measurement();
 
-    const float z2 = measure_point_with_encoder();
+      const float z2 = measure_point_with_encoder();
 
-    do_blocking_move_to_z(current_position[Z_AXIS] + Z_CLEARANCE_BETWEEN_PROBES);
+      do_blocking_move_to_z(current_position[Z_AXIS] + Z_CLEARANCE_BETWEEN_PROBES);
 
-    const float thickness = abs(z1 - z2);
+      const float thickness = abs(z1 - z2);
 
-    if (g29_verbose_level > 1) {
-      SERIAL_PROTOCOLPGM("Business Card is ");
-      SERIAL_PROTOCOL_F(thickness, 4);
-      SERIAL_PROTOCOLLNPGM("mm thick.");
-    }
+      if (g29_verbose_level > 1) {
+        SERIAL_PROTOCOLPGM("Business Card is ");
+        SERIAL_PROTOCOL_F(thickness, 4);
+        SERIAL_PROTOCOLLNPGM("mm thick.");
+      }
 
-    in_height = current_position[Z_AXIS]; // do manual probing at lower height
+      in_height = current_position[Z_AXIS]; // do manual probing at lower height
 
-    has_control_of_lcd_panel = false;
+      has_control_of_lcd_panel = false;
 
-    restore_ubl_active_state_and_leave();
+      restore_ubl_active_state_and_leave();
 
-    return thickness;
-  }
+      return thickness;
+    }
 
-  void unified_bed_leveling::manually_probe_remaining_mesh(const float &lx, const float &ly, const float &z_clearance, const float &thick, const bool do_ubl_mesh_map) {
+    void unified_bed_leveling::manually_probe_remaining_mesh(const float &lx, const float &ly, const float &z_clearance, const float &thick, const bool do_ubl_mesh_map) {
 
-    has_control_of_lcd_panel = 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_z(Z_CLEARANCE_BETWEEN_PROBES);
-    do_blocking_move_to_xy(lx, ly);
+      has_control_of_lcd_panel = true;
 
-    lcd_return_to_status();
-    mesh_index_pair location;
-    do {
-      location = find_closest_mesh_point_of_type(INVALID, lx, ly, USE_NOZZLE_AS_REFERENCE, NULL, false);
-      // It doesn't matter if the probe can't reach the NAN location. This is a manual probe.
-      if (location.x_index < 0 && location.y_index < 0) continue;
+      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_z(Z_CLEARANCE_BETWEEN_PROBES);
+      do_blocking_move_to_xy(lx, ly);
 
-      const float rawx = mesh_index_to_xpos(location.x_index),
-                  rawy = mesh_index_to_ypos(location.y_index),
-                  xProbe = LOGICAL_X_POSITION(rawx),
-                  yProbe = LOGICAL_Y_POSITION(rawy);
+      lcd_return_to_status();
 
-      if (!position_is_reachable_raw_xy(rawx, rawy)) break; // SHOULD NOT OCCUR (find_closest_mesh_point only returns reachable points)
+      mesh_index_pair location;
+      do {
+        location = find_closest_mesh_point_of_type(INVALID, lx, ly, USE_NOZZLE_AS_REFERENCE, NULL, false);
+        // It doesn't matter if the probe can't reach the NAN location. This is a manual probe.
+        if (location.x_index < 0 && location.y_index < 0) continue;
 
-      do_blocking_move_to_z(Z_CLEARANCE_BETWEEN_PROBES);
+        const float rawx = mesh_index_to_xpos(location.x_index),
+                    rawy = mesh_index_to_ypos(location.y_index),
+                    xProbe = LOGICAL_X_POSITION(rawx),
+                    yProbe = LOGICAL_Y_POSITION(rawy);
 
-      LCD_MESSAGEPGM("Moving to next"); // TODO: Make translatable string
+        if (!position_is_reachable_raw_xy(rawx, rawy)) break; // SHOULD NOT OCCUR (find_closest_mesh_point only returns reachable points)
 
-      do_blocking_move_to_xy(xProbe, yProbe);
-      do_blocking_move_to_z(z_clearance);
+        do_blocking_move_to_z(Z_CLEARANCE_BETWEEN_PROBES);
 
-      KEEPALIVE_STATE(PAUSED_FOR_USER);
-      has_control_of_lcd_panel = true;
+        LCD_MESSAGEPGM("Moving to next"); // TODO: Make translatable string
+
+        do_blocking_move_to_xy(xProbe, yProbe);
+        do_blocking_move_to_z(z_clearance);
 
-      if (do_ubl_mesh_map) display_map(g29_map_type);  // show user where we're probing
+        KEEPALIVE_STATE(PAUSED_FOR_USER);
+        has_control_of_lcd_panel = true;
 
-      serialprintPGM(parser.seen('B') ? PSTR("Place shim & measure") : PSTR("Measure")); // TODO: Make translatable strings
+        if (do_ubl_mesh_map) display_map(g29_map_type);  // show user where we're probing
 
-      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
+        serialprintPGM(parser.seen('B') ? PSTR("Place shim & measure") : PSTR("Measure")); // TODO: Make translatable strings
 
-      while (ubl_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!
-        idle();
-        if (encoder_diff) {
-          do_blocking_move_to_z(current_position[Z_AXIS] + float(encoder_diff) * z_step);
-          encoder_diff = 0;
+        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
+        delay(50);                                       // debounce
+        while (!ubl_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);
+            encoder_diff = 0;
+          }
         }
-      }
 
-      // this sequence to detect an ubl_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
-        idle();
-        if (ELAPSED(millis(), nxt)) {
-          SERIAL_PROTOCOLLNPGM("\nMesh only partially populated.");
-          do_blocking_move_to_z(Z_CLEARANCE_DEPLOY_PROBE);
-          lcd_quick_feedback();
-          while (ubl_lcd_clicked()) idle();
-          has_control_of_lcd_panel = false;
-          KEEPALIVE_STATE(IN_HANDLER);
-          restore_ubl_active_state_and_leave();
-          return;
+        // this sequence to detect an ubl_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
+          idle();
+          if (ELAPSED(millis(), nxt)) {
+            SERIAL_PROTOCOLLNPGM("\nMesh only partially populated.");
+            do_blocking_move_to_z(Z_CLEARANCE_DEPLOY_PROBE);
+
+            #if ENABLED(NEWPANEL)
+              lcd_quick_feedback();
+              while (ubl_lcd_clicked()) idle();
+              has_control_of_lcd_panel = false;
+            #endif
+
+            KEEPALIVE_STATE(IN_HANDLER);
+            restore_ubl_active_state_and_leave();
+            return;
+          }
         }
-      }
 
-      z_values[location.x_index][location.y_index] = current_position[Z_AXIS] - thick;
-      if (g29_verbose_level > 2) {
-        SERIAL_PROTOCOLPGM("Mesh Point Measured at: ");
-        SERIAL_PROTOCOL_F(z_values[location.x_index][location.y_index], 6);
-        SERIAL_EOL;
-      }
-    } while (location.x_index >= 0 && location.y_index >= 0);
+        z_values[location.x_index][location.y_index] = current_position[Z_AXIS] - thick;
+        if (g29_verbose_level > 2) {
+          SERIAL_PROTOCOLPGM("Mesh Point Measured at: ");
+          SERIAL_PROTOCOL_F(z_values[location.x_index][location.y_index], 6);
+          SERIAL_EOL;
+        }
+      } while (location.x_index >= 0 && location.y_index >= 0);
 
-    if (do_ubl_mesh_map) display_map(g29_map_type);
+      if (do_ubl_mesh_map) display_map(g29_map_type);
 
-    restore_ubl_active_state_and_leave();
-    KEEPALIVE_STATE(IN_HANDLER);
-    do_blocking_move_to_z(Z_CLEARANCE_DEPLOY_PROBE);
-    do_blocking_move_to_xy(lx, ly);
-  }
+      restore_ubl_active_state_and_leave();
+      KEEPALIVE_STATE(IN_HANDLER);
+      do_blocking_move_to_z(Z_CLEARANCE_DEPLOY_PROBE);
+      do_blocking_move_to_xy(lx, ly);
+    }
+  #endif
 
   bool unified_bed_leveling::g29_parameter_parsing() {
     bool err_flag = false;
 
-    LCD_MESSAGEPGM("Doing G29 UBL!"); // TODO: Make translatable string
-    lcd_quick_feedback();
+    #if ENABLED(NEWPANEL)
+      LCD_MESSAGEPGM("Doing G29 UBL!"); // TODO: Make translatable string
+      lcd_quick_feedback();
+    #endif
 
     g29_constant = 0.0;
     g29_repetition_cnt = 0;
@@ -1174,8 +1205,12 @@
     ubl_state_recursion_chk++;
     if (ubl_state_recursion_chk != 1) {
       SERIAL_ECHOLNPGM("save_ubl_active_state_and_disabled() called multiple times in a row.");
-      LCD_MESSAGEPGM("save_UBL_active() error"); // TODO: Make translatable string
-      lcd_quick_feedback();
+
+      #if ENABLED(NEWPANEL)
+        LCD_MESSAGEPGM("save_UBL_active() error"); // TODO: Make translatable string
+        lcd_quick_feedback();
+      #endif
+
       return;
     }
     ubl_state_at_invocation = state.active;
@@ -1185,8 +1220,12 @@
   void unified_bed_leveling::restore_ubl_active_state_and_leave() {
     if (--ubl_state_recursion_chk) {
       SERIAL_ECHOLNPGM("restore_ubl_active_state_and_leave() called too many times.");
-      LCD_MESSAGEPGM("restore_UBL_active() error"); // TODO: Make translatable string
-      lcd_quick_feedback();
+
+      #if ENABLED(NEWPANEL)
+        LCD_MESSAGEPGM("restore_UBL_active() error"); // TODO: Make translatable string
+        lcd_quick_feedback();
+      #endif
+
       return;
     }
     set_bed_leveling_enabled(ubl_state_at_invocation);
@@ -1420,114 +1459,116 @@
     return out_mesh;
   }
 
-  void unified_bed_leveling::fine_tune_mesh(const float &lx, const float &ly, const bool do_ubl_mesh_map) {
-    if (!parser.seen('R'))    // fine_tune_mesh() is special. If no repetition count flag is specified
-      g29_repetition_cnt = 1;   // do exactly one mesh location. Otherwise use what the parser decided.
+  #if ENABLED(NEWPANEL)
+    void unified_bed_leveling::fine_tune_mesh(const float &lx, const float &ly, const bool do_ubl_mesh_map) {
+      if (!parser.seen('R'))    // fine_tune_mesh() is special. If no repetition count flag is specified
+        g29_repetition_cnt = 1;   // do exactly one mesh location. Otherwise use what the parser decided.
 
-    mesh_index_pair location;
-    uint16_t not_done[16];
+      mesh_index_pair location;
+      uint16_t not_done[16];
 
-    if (!position_is_reachable_xy(lx, ly)) {
-      SERIAL_PROTOCOLLNPGM("(X,Y) outside printable radius.");
-      return;
-    }
+      if (!position_is_reachable_xy(lx, ly)) {
+        SERIAL_PROTOCOLLNPGM("(X,Y) outside printable radius.");
+        return;
+      }
 
-    save_ubl_active_state_and_disable();
+      save_ubl_active_state_and_disable();
 
-    memset(not_done, 0xFF, sizeof(not_done));
+      memset(not_done, 0xFF, sizeof(not_done));
 
-    LCD_MESSAGEPGM("Fine Tuning Mesh"); // TODO: Make translatable string
+      LCD_MESSAGEPGM("Fine Tuning Mesh"); // TODO: Make translatable string
 
-    do_blocking_move_to_z(Z_CLEARANCE_BETWEEN_PROBES);
-    do_blocking_move_to_xy(lx, ly);
-    do {
-      location = find_closest_mesh_point_of_type(SET_IN_BITMAP, lx, ly, USE_NOZZLE_AS_REFERENCE, not_done, false);
+      do_blocking_move_to_z(Z_CLEARANCE_BETWEEN_PROBES);
+      do_blocking_move_to_xy(lx, ly);
+      do {
+        location = find_closest_mesh_point_of_type(SET_IN_BITMAP, lx, ly, USE_NOZZLE_AS_REFERENCE, not_done, false);
 
-      if (location.x_index < 0) break; // stop when we can't find any more reachable points.
+        if (location.x_index < 0) break; // stop when we can't find any more reachable points.
 
-      bit_clear(not_done, location.x_index, location.y_index);  // Mark this location as 'adjusted' so we will find a
-                                                                // different location the next time through the loop
+        bit_clear(not_done, location.x_index, location.y_index);  // Mark this location as 'adjusted' so we will find a
+                                                                  // different location the next time through the loop
 
-      const float rawx = mesh_index_to_xpos(location.x_index),
-                  rawy = mesh_index_to_ypos(location.y_index);
+        const float rawx = mesh_index_to_xpos(location.x_index),
+                    rawy = mesh_index_to_ypos(location.y_index);
 
-      if (!position_is_reachable_raw_xy(rawx, rawy)) // SHOULD NOT OCCUR because find_closest_mesh_point_of_type will only return reachable
-        break;
+        if (!position_is_reachable_raw_xy(rawx, rawy)) // SHOULD NOT OCCUR because find_closest_mesh_point_of_type will only return reachable
+          break;
 
-      float new_z = z_values[location.x_index][location.y_index];
+        float new_z = z_values[location.x_index][location.y_index];
 
-      if (isnan(new_z)) // if the mesh point is invalid, set it to 0.0 so it can be edited
-        new_z = 0.0;
+        if (isnan(new_z)) // if the mesh point is invalid, set it to 0.0 so it can be edited
+          new_z = 0.0;
 
-      do_blocking_move_to_z(Z_CLEARANCE_BETWEEN_PROBES);    // Move the nozzle to where we are going to edit
-      do_blocking_move_to_xy(LOGICAL_X_POSITION(rawx), LOGICAL_Y_POSITION(rawy));
+        do_blocking_move_to_z(Z_CLEARANCE_BETWEEN_PROBES);    // Move the nozzle to where we are going to edit
+        do_blocking_move_to_xy(LOGICAL_X_POSITION(rawx), LOGICAL_Y_POSITION(rawy));
 
-      new_z = floor(new_z * 1000.0) * 0.001; // Chop off digits after the 1000ths place
+        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;
+        KEEPALIVE_STATE(PAUSED_FOR_USER);
+        has_control_of_lcd_panel = true;
 
-      if (do_ubl_mesh_map) display_map(g29_map_type);  // show the user which point is being adjusted
+        if (do_ubl_mesh_map) display_map(g29_map_type);  // show the user which point is being adjusted
 
-      lcd_refresh();
+        lcd_refresh();
 
-      lcd_mesh_edit_setup(new_z);
+        lcd_mesh_edit_setup(new_z);
 
-      do {
-        new_z = lcd_mesh_edit();
-        #ifdef UBL_MESH_EDIT_MOVES_Z
-          do_blocking_move_to_z(Z_CLEARANCE_BETWEEN_PROBES + new_z);  // Move the nozzle as the point is edited
-        #endif
-        idle();
-      } while (!ubl_lcd_clicked());
+        do {
+          new_z = lcd_mesh_edit();
+          #ifdef UBL_MESH_EDIT_MOVES_Z
+            do_blocking_move_to_z(Z_CLEARANCE_BETWEEN_PROBES + new_z);  // Move the nozzle as the point is edited
+          #endif
+          idle();
+        } while (!ubl_lcd_clicked());
 
-      lcd_return_to_status();
+        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;
+        // 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;
 
-      // this sequence to detect an ubl_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
-        idle();
-        if (ELAPSED(millis(), nxt)) {
-          lcd_return_to_status();
-          //SERIAL_PROTOCOLLNPGM("\nFine Tuning of Mesh Stopped.");
-          do_blocking_move_to_z(Z_CLEARANCE_BETWEEN_PROBES);
-          LCD_MESSAGEPGM("Mesh Editing Stopped"); // TODO: Make translatable string
+        // this sequence to detect an ubl_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
+          idle();
+          if (ELAPSED(millis(), nxt)) {
+            lcd_return_to_status();
+            //SERIAL_PROTOCOLLNPGM("\nFine Tuning of Mesh Stopped.");
+            do_blocking_move_to_z(Z_CLEARANCE_BETWEEN_PROBES);
+            LCD_MESSAGEPGM("Mesh Editing Stopped"); // TODO: Make translatable string
 
-          while (ubl_lcd_clicked()) idle();
+            while (ubl_lcd_clicked()) idle();
 
-          goto FINE_TUNE_EXIT;
+            goto FINE_TUNE_EXIT;
+          }
         }
-      }
 
-      safe_delay(20);                       // We don't want any switch noise.
+        safe_delay(20);                       // We don't want any switch noise.
 
-      z_values[location.x_index][location.y_index] = new_z;
+        z_values[location.x_index][location.y_index] = new_z;
 
-      lcd_refresh();
+        lcd_refresh();
 
-    } while (location.x_index >= 0 && --g29_repetition_cnt > 0);
+      } while (location.x_index >= 0 && --g29_repetition_cnt > 0);
 
-    FINE_TUNE_EXIT:
+      FINE_TUNE_EXIT:
 
-    has_control_of_lcd_panel = false;
-    KEEPALIVE_STATE(IN_HANDLER);
+      has_control_of_lcd_panel = false;
+      KEEPALIVE_STATE(IN_HANDLER);
 
-    if (do_ubl_mesh_map) display_map(g29_map_type);
-    restore_ubl_active_state_and_leave();
-    do_blocking_move_to_z(Z_CLEARANCE_BETWEEN_PROBES);
+      if (do_ubl_mesh_map) display_map(g29_map_type);
+      restore_ubl_active_state_and_leave();
+      do_blocking_move_to_z(Z_CLEARANCE_BETWEEN_PROBES);
 
-    do_blocking_move_to_xy(lx, ly);
+      do_blocking_move_to_xy(lx, ly);
 
-    LCD_MESSAGEPGM("Done Editing Mesh"); // TODO: Make translatable string
-    SERIAL_ECHOLNPGM("Done Editing Mesh");
-  }
+      LCD_MESSAGEPGM("Done Editing Mesh"); // TODO: Make translatable string
+      SERIAL_ECHOLNPGM("Done Editing Mesh");
+    }
+  #endif
 
   /**
    * 'Smart Fill': Scan from the outward edges of the mesh towards the center.