General cleanup of config-store, reset_bed_level

Marlin/src/feature/bedlevel/bedlevel.cpp

  * Reset calibration results to zero.
  */
 void reset_bed_level() {
+  #if ENABLED(DEBUG_LEVELING_FEATURE)
+    if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM("reset_bed_level");
+  #endif
   set_bed_leveling_enabled(false);
   #if ENABLED(MESH_BED_LEVELING)
     if (leveling_is_valid()) {
       mbl.reset();
       mbl.has_mesh = false;
     }
-  #else
-    #if ENABLED(DEBUG_LEVELING_FEATURE)
-      if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM("reset_bed_level");
-    #endif
-    #if ABL_PLANAR
-      planner.bed_level_matrix.set_to_identity();
-    #elif ENABLED(AUTO_BED_LEVELING_BILINEAR)
-      bilinear_start[X_AXIS] = bilinear_start[Y_AXIS] =
-      bilinear_grid_spacing[X_AXIS] = bilinear_grid_spacing[Y_AXIS] = 0;
-      for (uint8_t x = 0; x < GRID_MAX_POINTS_X; x++)
-        for (uint8_t y = 0; y < GRID_MAX_POINTS_Y; y++)
-          z_values[x][y] = NAN;
-    #elif ENABLED(AUTO_BED_LEVELING_UBL)
-      ubl.reset();
-    #endif
+  #elif ENABLED(AUTO_BED_LEVELING_UBL)
+    ubl.reset();
+  #elif ENABLED(AUTO_BED_LEVELING_BILINEAR)
+    bilinear_start[X_AXIS] = bilinear_start[Y_AXIS] =
+    bilinear_grid_spacing[X_AXIS] = bilinear_grid_spacing[Y_AXIS] = 0;
+    for (uint8_t x = 0; x < GRID_MAX_POINTS_X; x++)
+      for (uint8_t y = 0; y < GRID_MAX_POINTS_Y; y++)
+        z_values[x][y] = NAN;
+  #elif ABL_PLANAR
+    planner.bed_level_matrix.set_to_identity();
   #endif
 }
 

Marlin/src/feature/bedlevel/ubl/ubl_G29.cpp

   void unified_bed_leveling::G29() {
 
     if (!settings.calc_num_meshes()) {
-      SERIAL_PROTOCOLLNPGM("?Enable EEPROM and init with M502, M500.\n");
+      SERIAL_PROTOCOLLNPGM("?Enable EEPROM and init with");
+      SERIAL_PROTOCOLLNPGM("M502, M500, M501 in that order.\n");
       return;
     }
 
     if (parser.seen('L')) {     // Load Current Mesh Data
       g29_storage_slot = parser.has_value() ? parser.value_int() : storage_slot;
 
-      int16_t a = settings.calc_num_meshes();
+      uint16_t a = settings.calc_num_meshes();
 
       if (!a) {
         SERIAL_PROTOCOLLNPGM("?EEPROM storage not available.");
         return;
       }
 
-      int16_t a = settings.calc_num_meshes();
+      uint16_t a = settings.calc_num_meshes();
 
       if (!a) {
         SERIAL_PROTOCOLLNPGM("?EEPROM storage not available.");

Marlin/src/gcode/bedlevel/M420.cpp

 
       #if ENABLED(EEPROM_SETTINGS)
         const int8_t storage_slot = parser.has_value() ? parser.value_int() : ubl.storage_slot;
-        const int16_t a = settings.calc_num_meshes();
+        const uint16_t a = settings.calc_num_meshes();
 
         if (!a) {
           SERIAL_PROTOCOLLNPGM("?EEPROM storage not available.");

Marlin/src/lcd/ultralcd.cpp

      *    Save Bed Mesh
      */
     void _lcd_ubl_storage_mesh() {
-      int16_t a = settings.calc_num_meshes();
+      uint16_t a = settings.calc_num_meshes();
       START_MENU();
       MENU_BACK(MSG_UBL_LEVEL_BED);
       if (!WITHIN(ubl_storage_slot, 0, a - 1)) {

Marlin/src/module/configuration_store.cpp

  *  539  M200 D    parser.volumetric_enabled        (bool)
  *  540  M200 T D  planner.filament_size            (float x5) (T0..3)
  *
- * HAVE_TMC2130:                                    22 bytes
+ * HAS_TRINAMIC:                                    22 bytes
  *  560  M906 X    Stepper X current                (uint16_t)
  *  562  M906 Y    Stepper Y current                (uint16_t)
  *  564  M906 Z    Stepper Z current                (uint16_t)
  *  580  M906 E4   Stepper E4 current               (uint16_t)
  *
  * SENSORLESS HOMING                                4 bytes
- *  580  M914 X    Stepper X and X2 threshold       (int16_t)
- *  582  M914 Y    Stepper Y and Y2 threshold       (int16_t)
+ *  582  M914 X    Stepper X and X2 threshold       (int16_t)
+ *  584  M914 Y    Stepper Y and Y2 threshold       (int16_t)
  *
  * LIN_ADVANCE:                                     8 bytes
- *  582  M900 K    extruder_advance_k               (float)
- *  586  M900 WHD  advance_ed_ratio                 (float)
+ *  586  M900 K    extruder_advance_k               (float)
+ *  590  M900 WHD  advance_ed_ratio                 (float)
  *
  * HAS_MOTOR_CURRENT_PWM:
- *  590  M907 X    Stepper XY current               (uint32_t)
- *  594  M907 Z    Stepper Z current                (uint32_t)
- *  598  M907 E    Stepper E current                (uint32_t)
+ *  594  M907 X    Stepper XY current               (uint32_t)
+ *  598  M907 Z    Stepper Z current                (uint32_t)
+ *  602  M907 E    Stepper E current                (uint32_t)
  *
  * CNC_COORDINATE_SYSTEMS                           108 bytes
- *  602  G54-G59.3 coordinate_system                (float x 27)
+ *  606  G54-G59.3 coordinate_system                (float x 27)
  *
  * SKEW_CORRECTION:                                 12 bytes
- *  710  M852 I    planner.xy_skew_factor           (float)
- *  714  M852 J    planner.xz_skew_factor           (float)
- *  718  M852 K    planner.yz_skew_factor           (float)
+ *  714  M852 I    planner.xy_skew_factor           (float)
+ *  718  M852 J    planner.xz_skew_factor           (float)
+ *  722  M852 K    planner.yz_skew_factor           (float)
  *
- *  722                                   Minimum end-point
- * 2251 (722 + 208 + 36 + 9 + 288 + 988)  Maximum end-point
+ *  726                                   Minimum end-point
+ * 2255 (726 + 208 + 36 + 9 + 288 + 988)  Maximum end-point
  *
  * ========================================================================
  * meshes_begin (between max and min end-point, directly above)
   bool MarlinSettings::eeprom_error;
 
   #if ENABLED(AUTO_BED_LEVELING_UBL)
-    int MarlinSettings::meshes_begin;
+    int16_t MarlinSettings::meshes_begin;
   #endif
 
   /**
       }
     #endif
 
-    int MarlinSettings::calc_num_meshes() {
+    uint16_t MarlinSettings::calc_num_meshes() {
       //obviously this will get more sophisticated once we've added an actual MAT
 
       if (meshes_begin <= 0) return 0;
       return (meshes_end - meshes_begin) / sizeof(ubl.z_values);
     }
 
-    void MarlinSettings::store_mesh(int8_t slot) {
+    void MarlinSettings::store_mesh(const int8_t slot) {
 
       #if ENABLED(AUTO_BED_LEVELING_UBL)
-        const int a = calc_num_meshes();
+        const int16_t a = calc_num_meshes();
         if (!WITHIN(slot, 0, a - 1)) {
           #if ENABLED(EEPROM_CHITCHAT)
             ubl_invalid_slot(a);
         }
 
         uint16_t crc = 0;
-        bool status;
         int pos = meshes_end - (slot + 1) * sizeof(ubl.z_values);
 
         HAL::PersistentStore::access_start();
-        status = HAL::PersistentStore::write_data(pos, (uint8_t *)&ubl.z_values, sizeof(ubl.z_values), &crc);
+        const bool status = HAL::PersistentStore::write_data(pos, (uint8_t *)&ubl.z_values, sizeof(ubl.z_values), &crc);
         HAL::PersistentStore::access_finish();
 
         if (status)
       #endif
     }
 
-    void MarlinSettings::load_mesh(int8_t slot, void *into /* = 0 */) {
+    void MarlinSettings::load_mesh(const int8_t slot, void * const into/*=NULL*/) {
 
       #if ENABLED(AUTO_BED_LEVELING_UBL)
 
         uint16_t crc = 0;
         int pos = meshes_end - (slot + 1) * sizeof(ubl.z_values);
         uint8_t * const dest = into ? (uint8_t*)into : (uint8_t*)&ubl.z_values;
-        uint16_t status;
 
         HAL::PersistentStore::access_start();
-        status = HAL::PersistentStore::read_data(pos, dest, sizeof(ubl.z_values), &crc);
+        const uint16_t status = HAL::PersistentStore::read_data(pos, dest, sizeof(ubl.z_values), &crc);
         HAL::PersistentStore::access_finish();
 
         if (status)
   planner.retract_acceleration = DEFAULT_RETRACT_ACCELERATION;
   planner.travel_acceleration = DEFAULT_TRAVEL_ACCELERATION;
   planner.min_feedrate_mm_s = DEFAULT_MINIMUMFEEDRATE;
-  planner.min_segment_time_us = DEFAULT_MINSEGMENTTIME;
   planner.min_travel_feedrate_mm_s = DEFAULT_MINTRAVELFEEDRATE;
+  planner.min_segment_time_us = DEFAULT_MINSEGMENTTIME;
   planner.max_jerk[X_AXIS] = DEFAULT_XJERK;
   planner.max_jerk[Y_AXIS] = DEFAULT_YJERK;
   planner.max_jerk[Z_AXIS] = DEFAULT_ZJERK;
   planner.max_jerk[E_AXIS] = DEFAULT_EJERK;
 
-  #if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
-    new_z_fade_height = 0.0;
-  #endif
-
   #if HAS_HOME_OFFSET
     ZERO(home_offset);
   #endif
     LOOP_XYZ(i) HOTEND_LOOP() hotend_offset[i][e] = tmp4[i][e];
   #endif
 
-  // Applies to all MBL and ABL
+  //
+  // Global Leveling
+  //
+
+  #if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
+    new_z_fade_height = 0.0;
+  #endif
+
   #if HAS_LEVELING
     reset_bed_level();
   #endif
     lcd_preheat_fan_speed[1] = PREHEAT_2_FAN_SPEED;
   #endif
 
-  #if HAS_LCD_CONTRAST
-    lcd_contrast = DEFAULT_LCD_CONTRAST;
-  #endif
-
   #if ENABLED(PIDTEMP)
     #if ENABLED(PID_PARAMS_PER_HOTEND) && HOTENDS > 1
       HOTEND_LOOP()
     thermalManager.bedKd = scalePID_d(DEFAULT_bedKd);
   #endif
 
+  #if HAS_LCD_CONTRAST
+    lcd_contrast = DEFAULT_LCD_CONTRAST;
+  #endif
+
   #if ENABLED(FWRETRACT)
     fwretract.reset();
   #endif
       stepper.digipot_current(q, (stepper.motor_current_setting[q] = tmp_motor_current_setting[q]));
   #endif
 
-  #if ENABLED(AUTO_BED_LEVELING_UBL)
-    ubl.reset();
-  #endif
-
   #if ENABLED(SKEW_CORRECTION_GCODE)
     planner.xy_skew_factor = XY_SKEW_FACTOR;
     #if ENABLED(SKEW_CORRECTION_FOR_Z)

Marlin/src/module/configuration_store.h

 
       #if ENABLED(AUTO_BED_LEVELING_UBL) // Eventually make these available if any leveling system
                                          // That can store is enabled
-        FORCE_INLINE static int get_start_of_meshes() { return meshes_begin; }
-        FORCE_INLINE static int get_end_of_meshes() { return meshes_end; }
-        static int calc_num_meshes();
-        static void store_mesh(int8_t slot);
-        static void load_mesh(int8_t slot, void *into = 0);
+        FORCE_INLINE static int16_t get_start_of_meshes() { return meshes_begin; }
+        FORCE_INLINE static int16_t get_end_of_meshes() { return meshes_end; }
+        static uint16_t calc_num_meshes();
+        static void store_mesh(const int8_t slot);
+        static void load_mesh(const int8_t slot, void * const into=NULL);
 
         //static void delete_mesh();    // necessary if we have a MAT
         //static void defrag_meshes();  // "
 
       #if ENABLED(AUTO_BED_LEVELING_UBL) // Eventually make these available if any leveling system
                                          // That can store is enabled
-        static int meshes_begin;
-        const static int meshes_end = E2END - 128; // 128 is a placeholder for the size of the MAT; the MAT will always
-                                                   // live at the very end of the eeprom
+        static int16_t meshes_begin;
+        const static int16_t meshes_end = E2END - 128; // 128 is a placeholder for the size of the MAT; the MAT will always
+                                                       // live at the very end of the eeprom
 
       #endif