♻️ Common Bed Leveling object name, accessors (MarlinFirmware#24214)

Marlin/src/HAL/AVR/inc/SanityCheck.h

@@ -37,16 +37,16 @@
   || X_ENA_PIN  == N || Y_ENA_PIN  == N || Z_ENA_PIN  == N \
 )
 #if CONF_SERIAL_IS(0) // D0-D1. No known conflicts.
-#endif 
+#endif
 #if CONF_SERIAL_IS(1) && (CHECK_SERIAL_PIN(18) || CHECK_SERIAL_PIN(19))
   #error "Serial Port 1 pin D18 and/or D19 conflicts with another pin on the board."
-#endif 
+#endif
 #if CONF_SERIAL_IS(2) && (CHECK_SERIAL_PIN(16) || CHECK_SERIAL_PIN(17))
   #error "Serial Port 2 pin D16 and/or D17 conflicts with another pin on the board."
 #endif
 #if CONF_SERIAL_IS(3) && (CHECK_SERIAL_PIN(14) || CHECK_SERIAL_PIN(15))
   #error "Serial Port 3 pin D14 and/or D15 conflicts with another pin on the board."
-#endif 
+#endif
 #undef CHECK_SERIAL_PIN
 
 /**

Marlin/src/HAL/DUE/inc/SanityCheck.h

@@ -37,16 +37,16 @@
   || X_ENA_PIN  == N || Y_ENA_PIN  == N || Z_ENA_PIN  == N \
 )
 #if CONF_SERIAL_IS(0) // D0-D1. No known conflicts.
-#endif 
+#endif
 #if CONF_SERIAL_IS(1) && (CHECK_SERIAL_PIN(18) || CHECK_SERIAL_PIN(19))
   #error "Serial Port 1 pin D18 and/or D19 conflicts with another pin on the board."
-#endif 
+#endif
 #if CONF_SERIAL_IS(2) && (CHECK_SERIAL_PIN(16) || CHECK_SERIAL_PIN(17))
   #error "Serial Port 2 pin D16 and/or D17 conflicts with another pin on the board."
 #endif
 #if CONF_SERIAL_IS(3) && (CHECK_SERIAL_PIN(14) || CHECK_SERIAL_PIN(15))
   #error "Serial Port 3 pin D14 and/or D15 conflicts with another pin on the board."
-#endif 
+#endif
 #undef CHECK_SERIAL_PIN
 
 /**

Marlin/src/MarlinCore.cpp

@@ -443,7 +443,7 @@ inline void manage_inactivity(const bool no_stepper_sleep=false) {
         TERN_(DISABLE_INACTIVE_K, stepper.disable_axis(K_AXIS));
         TERN_(DISABLE_INACTIVE_E, stepper.disable_e_steppers());
 
-        TERN_(AUTO_BED_LEVELING_UBL, ubl.steppers_were_disabled());
+        TERN_(AUTO_BED_LEVELING_UBL, bedlevel.steppers_were_disabled());
       }
     }
     else

Marlin/src/core/utility.cpp

@@ -132,10 +132,10 @@ void safe_delay(millis_t ms) {
         #else
           #if ENABLED(AUTO_BED_LEVELING_UBL)
             SERIAL_ECHOPGM("UBL Adjustment Z");
-            const float rz = ubl.get_z_correction(current_position);
+            const float rz = bedlevel.get_z_correction(current_position);
           #elif ENABLED(AUTO_BED_LEVELING_BILINEAR)
             SERIAL_ECHOPGM("ABL Adjustment Z");
-            const float rz = bbl.get_z_correction(current_position);
+            const float rz = bedlevel.get_z_correction(current_position);
           #endif
           SERIAL_ECHO(ftostr43sign(rz, '+'));
           #if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
@@ -156,11 +156,11 @@ void safe_delay(millis_t ms) {
       SERIAL_ECHOPGM("Mesh Bed Leveling");
       if (planner.leveling_active) {
         SERIAL_ECHOLNPGM(" (enabled)");
-        SERIAL_ECHOPGM("MBL Adjustment Z", ftostr43sign(mbl.get_z(current_position), '+'));
+        SERIAL_ECHOPGM("MBL Adjustment Z", ftostr43sign(bedlevel.get_z(current_position), '+'));
         #if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
           if (planner.z_fade_height) {
             SERIAL_ECHOPGM(" (", ftostr43sign(
-              mbl.get_z(current_position, planner.fade_scaling_factor_for_z(current_position.z)), '+'
+              bedlevel.get_z(current_position, planner.fade_scaling_factor_for_z(current_position.z)), '+'
             ));
             SERIAL_CHAR(')');
           }

Marlin/src/feature/bedlevel/abl/bbl.cpp

@@ -35,7 +35,7 @@
   #include "../../../lcd/extui/ui_api.h"
 #endif
 
-LevelingBilinear bbl;
+LevelingBilinear bedlevel;
 
 xy_pos_t LevelingBilinear::grid_spacing,
          LevelingBilinear::grid_start;
@@ -258,8 +258,8 @@ void LevelingBilinear::print_leveling_grid(const bed_mesh_t* _z_values /*= NULL*
               );
           }
   }
-#endif // ABL_BILINEAR_SUBDIVISION
 
+#endif // ABL_BILINEAR_SUBDIVISION
 
 // Refresh after other values have been updated
 void LevelingBilinear::refresh_bed_level() {

Marlin/src/feature/bedlevel/abl/bbl.h

@@ -24,10 +24,12 @@
 #include "../../../inc/MarlinConfigPre.h"
 
 class LevelingBilinear {
-private:
+public:
+  static bed_mesh_t z_values;
   static xy_pos_t grid_spacing, grid_start;
+
+private:
   static xy_float_t grid_factor;
-  static bed_mesh_t z_values;
   static xy_pos_t cached_rel;
   static xy_int8_t cached_g;
 
@@ -54,20 +56,15 @@ class LevelingBilinear {
   static void print_leveling_grid(const bed_mesh_t* _z_values = NULL);
   static void refresh_bed_level();
   static bool has_mesh() { return !!grid_spacing.x; }
-  static bed_mesh_t& get_z_values() { return z_values; }
-  static const xy_pos_t& get_grid_spacing() { return grid_spacing; }
-  static const xy_pos_t& get_grid_start() { return grid_start; }
-  static float get_mesh_x(int16_t i) { return grid_start.x + i * grid_spacing.x; }
-  static float get_mesh_y(int16_t j) { return grid_start.y + j * grid_spacing.y; }
+  static bool mesh_is_valid() { return has_mesh(); }
+  static float get_mesh_x(const uint8_t i) { return grid_start.x + i * grid_spacing.x; }
+  static float get_mesh_y(const uint8_t j) { return grid_start.y + j * grid_spacing.y; }
   static float get_z_correction(const xy_pos_t &raw);
+  static constexpr float get_z_offset() { return 0.0f; }
 
   #if IS_CARTESIAN && DISABLED(SEGMENT_LEVELED_MOVES)
     static void line_to_destination(const_feedRate_t scaled_fr_mm_s, uint16_t x_splits=0xFFFF, uint16_t y_splits=0xFFFF);
   #endif
 };
 
-extern LevelingBilinear bbl;
-
-#define _GET_MESH_X(I) bbl.get_mesh_x(I)
-#define _GET_MESH_Y(J) bbl.get_mesh_y(J)
-#define Z_VALUES_ARR bbl.get_z_values()
+extern LevelingBilinear bedlevel;

Marlin/src/feature/bedlevel/bedlevel.cpp

@@ -47,14 +47,11 @@
 #endif
 
 bool leveling_is_valid() {
-  return TERN1(MESH_BED_LEVELING,          mbl.has_mesh())
-      && TERN1(AUTO_BED_LEVELING_BILINEAR, bbl.has_mesh())
-      && TERN1(AUTO_BED_LEVELING_UBL,      ubl.mesh_is_valid());
+  return TERN1(HAS_MESH, bedlevel.mesh_is_valid());
 }
 
 /**
- * Turn bed leveling on or off, fixing the current
- * position as-needed.
+ * Turn bed leveling on or off, correcting the current position.
  *
  * Disable: Current position = physical position
  *  Enable: Current position = "unleveled" physical position
@@ -65,24 +62,31 @@ void set_bed_leveling_enabled(const bool enable/*=true*/) {
 
   if (can_change && enable != planner.leveling_active) {
 
+    auto _report_leveling = []{
+      if (DEBUGGING(LEVELING)) {
+        if (planner.leveling_active)
+          DEBUG_POS("Leveling ON", current_position);
+        else
+          DEBUG_POS("Leveling OFF", current_position);
+      }
+    };
+
+    _report_leveling();
     planner.synchronize();
 
     if (planner.leveling_active) {      // leveling from on to off
-      if (DEBUGGING(LEVELING)) DEBUG_POS("Leveling ON", current_position);
       // change unleveled current_position to physical current_position without moving steppers.
       planner.apply_leveling(current_position);
       planner.leveling_active = false;  // disable only AFTER calling apply_leveling
-      if (DEBUGGING(LEVELING)) DEBUG_POS("...Now OFF", current_position);
     }
     else {                              // leveling from off to on
-      if (DEBUGGING(LEVELING)) DEBUG_POS("Leveling OFF", current_position);
       planner.leveling_active = true;   // enable BEFORE calling unapply_leveling, otherwise ignored
       // change physical current_position to unleveled current_position without moving steppers.
       planner.unapply_leveling(current_position);
-      if (DEBUGGING(LEVELING)) DEBUG_POS("...Now ON", current_position);
     }
 
     sync_plan_position();
+    _report_leveling();
   }
 }
 
@@ -116,18 +120,9 @@ TemporaryBedLevelingState::TemporaryBedLevelingState(const bool enable) : saved(
  */
 void reset_bed_level() {
   if (DEBUGGING(LEVELING)) DEBUG_ECHOLNPGM("reset_bed_level");
-  #if ENABLED(AUTO_BED_LEVELING_UBL)
-    ubl.reset();
-  #else
-    set_bed_leveling_enabled(false);
-    #if ENABLED(MESH_BED_LEVELING)
-      mbl.reset();
-    #elif ENABLED(AUTO_BED_LEVELING_BILINEAR)
-      bbl.reset();
-    #elif ABL_PLANAR
-      planner.bed_level_matrix.set_to_identity();
-    #endif
-  #endif
+  IF_DISABLED(AUTO_BED_LEVELING_UBL, set_bed_leveling_enabled(false));
+  TERN_(HAS_MESH, bedlevel.reset());
+  TERN_(ABL_PLANAR, planner.bed_level_matrix.set_to_identity());
 }
 
 #if EITHER(AUTO_BED_LEVELING_BILINEAR, MESH_BED_LEVELING)

Marlin/src/feature/bedlevel/bedlevel.h

@@ -69,9 +69,6 @@ class TemporaryBedLevelingState {
     #include "mbl/mesh_bed_leveling.h"
   #endif
 
-  #define Z_VALUES(X,Y) Z_VALUES_ARR[X][Y]
-  #define _GET_MESH_POS(M) { _GET_MESH_X(M.a), _GET_MESH_Y(M.b) }
-
   #if EITHER(AUTO_BED_LEVELING_BILINEAR, MESH_BED_LEVELING)
 
     #include <stdint.h>
@@ -92,7 +89,7 @@ class TemporaryBedLevelingState {
     bool valid() const { return pos.x >= 0 && pos.y >= 0; }
     #if ENABLED(AUTO_BED_LEVELING_UBL)
       xy_pos_t meshpos() {
-        return { ubl.mesh_index_to_xpos(pos.x), ubl.mesh_index_to_ypos(pos.y) };
+        return { bedlevel.get_mesh_x(pos.x), bedlevel.get_mesh_y(pos.y) };
       }
     #endif
     operator xy_int8_t&() { return pos; }

Marlin/src/feature/bedlevel/mbl/mesh_bed_leveling.cpp

@@ -32,7 +32,7 @@
     #include "../../../lcd/extui/ui_api.h"
   #endif
 
-  mesh_bed_leveling mbl;
+  mesh_bed_leveling bedlevel;
 
   float mesh_bed_leveling::z_offset,
         mesh_bed_leveling::z_values[GRID_MAX_POINTS_X][GRID_MAX_POINTS_Y],

Marlin/src/feature/bedlevel/mbl/mesh_bed_leveling.h

@@ -34,9 +34,6 @@ enum MeshLevelingState : char {
 
 #define MESH_X_DIST (float(MESH_MAX_X - (MESH_MIN_X)) / (GRID_MAX_CELLS_X))
 #define MESH_Y_DIST (float(MESH_MAX_Y - (MESH_MIN_Y)) / (GRID_MAX_CELLS_Y))
-#define _GET_MESH_X(I) mbl.index_to_xpos[I]
-#define _GET_MESH_Y(J) mbl.index_to_ypos[J]
-#define Z_VALUES_ARR mbl.z_values
 
 class mesh_bed_leveling {
 public:
@@ -56,6 +53,8 @@ class mesh_bed_leveling {
     return false;
   }
 
+  static bool mesh_is_valid() { return has_mesh(); }
+
   static void set_z(const int8_t px, const int8_t py, const_float_t z) { z_values[px][py] = z; }
 
   static void zigzag(const int8_t index, int8_t &px, int8_t &py) {
@@ -70,6 +69,9 @@ class mesh_bed_leveling {
     set_z(px, py, z);
   }
 
+  static float get_mesh_x(const uint8_t i) { return index_to_xpos[i]; }
+  static float get_mesh_y(const uint8_t i) { return index_to_ypos[i]; }
+
   static int8_t cell_index_x(const_float_t x) {
     int8_t cx = (x - (MESH_MIN_X)) * RECIPROCAL(MESH_X_DIST);
     return constrain(cx, 0, GRID_MAX_CELLS_X - 1);
@@ -102,25 +104,22 @@ class mesh_bed_leveling {
     return z1 + delta_a * delta_z;
   }
 
-  static float get_z(const xy_pos_t &pos
-    OPTARG(ENABLE_LEVELING_FADE_HEIGHT, const_float_t factor=1.0f)
-  ) {
-    #if DISABLED(ENABLE_LEVELING_FADE_HEIGHT)
-      constexpr float factor = 1.0f;
-    #endif
+  static float get_z_offset() { return z_offset; }
+
+  static float get_z_correction(const xy_pos_t &pos) {
     const xy_int8_t ind = cell_indexes(pos);
     const float x1 = index_to_xpos[ind.x], x2 = index_to_xpos[ind.x+1],
                 y1 = index_to_xpos[ind.y], y2 = index_to_xpos[ind.y+1],
                 z1 = calc_z0(pos.x, x1, z_values[ind.x][ind.y  ], x2, z_values[ind.x+1][ind.y  ]),
                 z2 = calc_z0(pos.x, x1, z_values[ind.x][ind.y+1], x2, z_values[ind.x+1][ind.y+1]),
                 zf = calc_z0(pos.y, y1, z1, y2, z2);
 
-    return z_offset + zf * factor;
+    return zf;
   }
 
   #if IS_CARTESIAN && DISABLED(SEGMENT_LEVELED_MOVES)
     static void line_to_destination(const_feedRate_t scaled_fr_mm_s, uint8_t x_splits=0xFF, uint8_t y_splits=0xFF);
   #endif
 };
 
-extern mesh_bed_leveling mbl;
+extern mesh_bed_leveling bedlevel;

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

@@ -26,7 +26,7 @@
 
 #include "../bedlevel.h"
 
-unified_bed_leveling ubl;
+unified_bed_leveling bedlevel;
 
 #include "../../../MarlinCore.h"
 #include "../../../gcode/gcode.h"

Marlin/src/feature/bedlevel/ubl/ubl.h

@@ -215,7 +215,7 @@ class unified_bed_leveling {
       return _UBL_OUTER_Z_RAISE;
     }
 
-    const float xratio = (rx0 - mesh_index_to_xpos(x1_i)) * RECIPROCAL(MESH_X_DIST),
+    const float xratio = (rx0 - get_mesh_x(x1_i)) * RECIPROCAL(MESH_X_DIST),
                 z1 = z_values[x1_i][yi];
 
     return z1 + xratio * (z_values[_MIN(x1_i, (GRID_MAX_POINTS_X) - 2) + 1][yi] - z1);  // Don't allow x1_i+1 to be past the end of the array
@@ -238,7 +238,7 @@ class unified_bed_leveling {
       return _UBL_OUTER_Z_RAISE;
     }
 
-    const float yratio = (ry0 - mesh_index_to_ypos(y1_i)) * RECIPROCAL(MESH_Y_DIST),
+    const float yratio = (ry0 - get_mesh_y(y1_i)) * RECIPROCAL(MESH_Y_DIST),
                 z1 = z_values[xi][y1_i];
 
     return z1 + yratio * (z_values[xi][_MIN(y1_i, (GRID_MAX_POINTS_Y) - 2) + 1] - z1);  // Don't allow y1_i+1 to be past the end of the array
@@ -264,16 +264,17 @@ class unified_bed_leveling {
         return UBL_Z_RAISE_WHEN_OFF_MESH;
     #endif
 
-    const uint8_t mx = _MIN(cx, (GRID_MAX_POINTS_X) - 2) + 1, my = _MIN(cy, (GRID_MAX_POINTS_Y) - 2) + 1;
-    const float z1 = calc_z0(rx0, mesh_index_to_xpos(cx), z_values[cx][cy], mesh_index_to_xpos(cx + 1), z_values[mx][cy]);
-    const float z2 = calc_z0(rx0, mesh_index_to_xpos(cx), z_values[cx][my], mesh_index_to_xpos(cx + 1), z_values[mx][my]);
-    float z0 = calc_z0(ry0, mesh_index_to_ypos(cy), z1, mesh_index_to_ypos(cy + 1), z2);
+    const uint8_t mx = _MIN(cx, (GRID_MAX_POINTS_X) - 2) + 1, my = _MIN(cy, (GRID_MAX_POINTS_Y) - 2) + 1,
+                  x0 = get_mesh_x(cx), x1 = get_mesh_x(cx + 1);
+    const float z1 = calc_z0(rx0, x0, z_values[cx][cy], x1, z_values[mx][cy]),
+                z2 = calc_z0(rx0, x0, z_values[cx][my], x1, z_values[mx][my]);
+    float z0 = calc_z0(ry0, get_mesh_y(cy), z1, get_mesh_y(cy + 1), z2);
 
-    if (isnan(z0)) { // if part of the Mesh is undefined, it will show up as NAN
-      z0 = 0.0;      // in ubl.z_values[][] and propagate through the
-                     // calculations. If our correction is NAN, we throw it out
-                     // because part of the Mesh is undefined and we don't have the
-                     // information we need to complete the height correction.
+    if (isnan(z0)) { // If part of the Mesh is undefined, it will show up as NAN
+      z0 = 0.0;      // in z_values[][] and propagate through the calculations.
+                     // If our correction is NAN, we throw it out because part of
+                     // the Mesh is undefined and we don't have the information
+                     // needed to complete the height correction.
 
       if (DEBUGGING(MESH_ADJUST)) DEBUG_ECHOLNPGM("??? Yikes! NAN in ");
     }
@@ -287,10 +288,12 @@ class unified_bed_leveling {
   }
   static float get_z_correction(const xy_pos_t &pos) { return get_z_correction(pos.x, pos.y); }
 
-  static float mesh_index_to_xpos(const uint8_t i) {
+  static constexpr float get_z_offset() { return 0.0f; }
+
+  static float get_mesh_x(const uint8_t i) {
     return i < (GRID_MAX_POINTS_X) ? pgm_read_float(&_mesh_index_to_xpos[i]) : MESH_MIN_X + i * (MESH_X_DIST);
   }
-  static float mesh_index_to_ypos(const uint8_t i) {
+  static float get_mesh_y(const uint8_t i) {
     return i < (GRID_MAX_POINTS_Y) ? pgm_read_float(&_mesh_index_to_ypos[i]) : MESH_MIN_Y + i * (MESH_Y_DIST);
   }
 
@@ -307,11 +310,7 @@ class unified_bed_leveling {
 
 }; // class unified_bed_leveling
 
-extern unified_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)
-#define Z_VALUES_ARR ubl.z_values
+extern unified_bed_leveling bedlevel;
 
 // Prevent debugging propagating to other files
 #include "../../../core/debug_out.h"