Use createChar_P to save SRAM in bootscreen

Marlin/Conditionals_LCD.h

@@ -243,7 +243,7 @@
     /* Custom characters defined in the first 8 characters of the LCD */
     #define LCD_BEDTEMP_CHAR     0x00  // Print only as a char. This will have 'unexpected' results when used in a string!
     #define LCD_DEGREE_CHAR      0x01
-    #define LCD_STR_THERMOMETER "\x02" // Too many places use preprocessor string concatination to change this to a char right now.
+    #define LCD_STR_THERMOMETER "\x02" // Still used with string concatenation
     #define LCD_UPLEVEL_CHAR     0x03
     #define LCD_REFRESH_CHAR     0x04
     #define LCD_STR_FOLDER      "\x05"

Marlin/Configuration.h

@@ -881,12 +881,14 @@
   #define UBL_MESH_INSET 1          // Mesh inset margin on print area
   #define GRID_MAX_POINTS_X 10      // Don't use more than 15 points per axis, implementation limited.
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
-  #define UBL_PROBE_PT_1_X 39       // These set the probe locations for when UBL does a 3-Point leveling
-  #define UBL_PROBE_PT_1_Y 180      // of the mesh.
+
+  #define UBL_PROBE_PT_1_X 39       // Probing points for 3-Point leveling of the mesh
+  #define UBL_PROBE_PT_1_Y 180
   #define UBL_PROBE_PT_2_X 39
   #define UBL_PROBE_PT_2_Y 20
   #define UBL_PROBE_PT_3_X 180
   #define UBL_PROBE_PT_3_Y 20
+
   #define UBL_G26_MESH_VALIDATION   // Enable G26 mesh validation
   #define UBL_MESH_EDIT_MOVES_Z     // Sophisticated users prefer no movement of nozzle
 

Marlin/Configuration_adv.h

@@ -225,13 +225,11 @@
  */
 //#define CASE_LIGHT_ENABLE
 #if ENABLED(CASE_LIGHT_ENABLE)
-  #define CASE_LIGHT_PIN 4          // can be defined here or in the pins_XXX.h file for your board
-                                    //  pins_XXX.h file overrides this one
-  #define INVERT_CASE_LIGHT false             // set to true if case light is ON when pin is at 0
-  #define CASE_LIGHT_DEFAULT_ON true          // set default power up state to on or off
-  #define CASE_LIGHT_DEFAULT_BRIGHTNESS 105   // set power up brightness 0-255 ( only used if on PWM
-                                              // and if CASE_LIGHT_DEFAULT is set to on
-  //#define MENU_ITEM_CASE_LIGHT              // Uncomment to have a Case Light entry in main menu
+  //#define CASE_LIGHT_PIN 4                  // Override the default pin if needed
+  #define INVERT_CASE_LIGHT false             // Set true if Case Light is ON when pin is LOW
+  #define CASE_LIGHT_DEFAULT_ON true          // Set default power-up state on
+  #define CASE_LIGHT_DEFAULT_BRIGHTNESS 105   // Set default power-up brightness (0-255, requires PWM pin)
+  //#define MENU_ITEM_CASE_LIGHT              // Add a Case Light option to the LCD main menu
 #endif
 
 //===========================================================================
@@ -421,16 +419,16 @@
  *    M908 - BQ_ZUM_MEGA_3D, RAMBO, PRINTRBOARD_REVF, RIGIDBOARD_V2 & SCOOVO_X9H
  *    M909, M910 & LCD - only PRINTRBOARD_REVF & RIGIDBOARD_V2
  */
-//#define PWM_MOTOR_CURRENT {1300, 1300, 1250} // Values in milliamps
-//#define DIGIPOT_MOTOR_CURRENT {135,135,135,135,135} // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
-//#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 } // Default drive percent - X, Y, Z, E axis
+//#define PWM_MOTOR_CURRENT { 1300, 1300, 1250 }          // Values in milliamps
+//#define DIGIPOT_MOTOR_CURRENT { 135,135,135,135,135 }   // Values 0-255 (RAMBO 135 = ~0.75A, 185 = ~1A)
+//#define DAC_MOTOR_CURRENT_DEFAULT { 70, 80, 90, 80 }    // Default drive percent - X, Y, Z, E axis
 
 // Uncomment to enable an I2C based DIGIPOT like on the Azteeg X3 Pro
 //#define DIGIPOT_I2C
-//#define DIGIPOT_MCP4018
+//#define DIGIPOT_MCP4018          // Requires library from https://github.com/stawel/SlowSoftI2CMaster
 #define DIGIPOT_I2C_NUM_CHANNELS 8 // 5DPRINT: 4     AZTEEG_X3_PRO: 8
 // Actual motor currents in Amps, need as many here as DIGIPOT_I2C_NUM_CHANNELS
-#define DIGIPOT_I2C_MOTOR_CURRENTS {1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0}  //  AZTEEG_X3_PRO
+#define DIGIPOT_I2C_MOTOR_CURRENTS { 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0 }  //  AZTEEG_X3_PRO
 
 //===========================================================================
 //=============================Additional Features===========================

Marlin/G26_Mesh_Validation_Tool.cpp

@@ -252,8 +252,8 @@
     // Move nozzle to the specified height for the first layer
     set_destination_to_current();
     destination[Z_AXIS] = g26_layer_height;
-    move_to(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], 0.0);
-    move_to(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], g26_ooze_amount);
+    move_to(destination, 0.0);
+    move_to(destination, g26_ooze_amount);
 
     has_control_of_lcd_panel = true;
     //debug_current_and_destination(PSTR("Starting G26 Mesh Validation Pattern."));
@@ -368,14 +368,14 @@
     destination[Z_AXIS] = Z_CLEARANCE_BETWEEN_PROBES;
 
     //debug_current_and_destination(PSTR("ready to do Z-Raise."));
-    move_to(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], 0); // Raise the nozzle
+    move_to(destination, 0); // Raise the nozzle
     //debug_current_and_destination(PSTR("done doing Z-Raise."));
 
     destination[X_AXIS] = g26_x_pos;                                               // Move back to the starting position
     destination[Y_AXIS] = g26_y_pos;
     //destination[Z_AXIS] = Z_CLEARANCE_BETWEEN_PROBES;                        // Keep the nozzle where it is
 
-    move_to(destination[X_AXIS], destination[Y_AXIS], destination[Z_AXIS], 0); // Move back to the starting position
+    move_to(destination, 0); // Move back to the starting position
     //debug_current_and_destination(PSTR("done doing X/Y move."));
 
     has_control_of_lcd_panel = false;     // Give back control of the LCD Panel!
@@ -554,16 +554,16 @@
 
   }
 
-  void unified_bed_leveling::retract_filament(float where[XYZE]) {
+  void unified_bed_leveling::retract_filament(const float where[XYZE]) {
     if (!g26_retracted) { // Only retract if we are not already retracted!
       g26_retracted = true;
-      move_to(where[X_AXIS], where[Y_AXIS], where[Z_AXIS], -1.0 * g26_retraction_multiplier);
+      move_to(where, -1.0 * g26_retraction_multiplier);
     }
   }
 
-  void unified_bed_leveling::recover_filament(float where[XYZE]) {
+  void unified_bed_leveling::recover_filament(const float where[XYZE]) {
     if (g26_retracted) { // Only un-retract if we are retracted.
-      move_to(where[X_AXIS], where[Y_AXIS], where[Z_AXIS], 1.2 * g26_retraction_multiplier);
+      move_to(where, 1.2 * g26_retraction_multiplier);
       g26_retracted = false;
     }
   }