Create DEBUG_LEVELING_FEATURE

Marlin/Configuration.h

@@ -510,7 +510,8 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
   //#define Z_PROBE_SLED // Turn on if you have a Z probe mounted on a sled like those designed by Charles Bell.
   //#define SLED_DOCKING_OFFSET 5 // The extra distance the X axis must travel to pickup the sled. 0 should be fine but you can push it further if you'd like.
 
-// If you have enabled the bed auto leveling and are using the same Z probe for Z homing,
+
+  //If you have enabled the Bed Auto Leveling and are using the same Z Probe for Z Homing,
   //it is highly recommended you let this Z_SAFE_HOMING enabled!!!
 
   #define Z_SAFE_HOMING   // This feature is meant to avoid Z homing with Z probe outside the bed area.

Marlin/Marlin.h

@@ -221,7 +221,8 @@ enum DebugFlags {
   DEBUG_INFO          = BIT(1),
   DEBUG_ERRORS        = BIT(2),
   DEBUG_DRYRUN        = BIT(3),
-  DEBUG_COMMUNICATION = BIT(4)
+  DEBUG_COMMUNICATION = BIT(4),
+  DEBUG_LEVELING      = BIT(5)
 };
 extern uint8_t marlin_debug_flags;
 

Marlin/Marlin_main.cpp

@@ -1033,7 +1033,7 @@ XYZ_CONSTS_FROM_CONFIG(signed char, home_dir, HOME_DIR);
 
 #endif //DUAL_X_CARRIAGE
 
-#ifdef DEBUG_LEVELING
+#if ENABLED(DEBUG_LEVELING_FEATURE)
   void print_xyz(const char *prefix, const float x, const float y, const float z) {
     SERIAL_ECHO(prefix);
     SERIAL_ECHOPAIR(": (", x);
@@ -1112,10 +1112,12 @@ static void set_axis_is_at_home(AxisEnum axis) {
       if (axis == Z_AXIS) current_position[Z_AXIS] -= zprobe_zoffset;
     #endif
 
-    #ifdef DEBUG_LEVELING
+    #if ENABLED(DEBUG_LEVELING_FEATURE)
+      if (marlin_debug_flags & DEBUG_LEVELING) {
         SERIAL_ECHOPAIR("set_axis_is_at_home ", (unsigned long)axis);
         SERIAL_ECHOPAIR(" > (home_offset[axis]==", home_offset[axis]);
         print_xyz(") > current_position", current_position);
+      }
     #endif
   }
 }
@@ -1162,8 +1164,10 @@ static void setup_for_endstop_move() {
   saved_feedrate_multiplier = feedrate_multiplier;
   feedrate_multiplier = 100;
   refresh_cmd_timeout();
-  #ifdef DEBUG_LEVELING
+  #if ENABLED(DEBUG_LEVELING_FEATURE)
+    if (marlin_debug_flags & DEBUG_LEVELING) {
       SERIAL_ECHOLNPGM("setup_for_endstop_move > enable_endstops(true)");
+    }
   #endif
   enable_endstops(true);
 }
@@ -1175,8 +1179,10 @@ static void setup_for_endstop_move() {
      * Calculate delta, start a line, and set current_position to destination
      */
     void prepare_move_raw() {
-      #ifdef DEBUG_LEVELING
+      #if ENABLED(DEBUG_LEVELING_FEATURE)
+        if (marlin_debug_flags & DEBUG_LEVELING) {
           print_xyz("prepare_move_raw > destination", destination);
+        }
       #endif
       refresh_cmd_timeout();
       calculate_delta(destination);
@@ -1205,8 +1211,10 @@ static void setup_for_endstop_move() {
         current_position[Y_AXIS] = corrected_position.y;
         current_position[Z_AXIS] = corrected_position.z;
 
-        #ifdef DEBUG_LEVELING
+        #if ENABLED(DEBUG_LEVELING_FEATURE)
+          if (marlin_debug_flags & DEBUG_LEVELING) {
             print_xyz("set_bed_level_equation_lsq > current_position", current_position);
+          }
         #endif
 
         sync_plan_position();
@@ -1238,8 +1246,10 @@ static void setup_for_endstop_move() {
       current_position[Y_AXIS] = corrected_position.y;
       current_position[Z_AXIS] = corrected_position.z;
 
-      #ifdef DEBUG_LEVELING
+      #if ENABLED(DEBUG_LEVELING_FEATURE)
+        if (marlin_debug_flags & DEBUG_LEVELING) {
           print_xyz("set_bed_level_equation_3pts > current_position", current_position);
+        }
       #endif
 
       sync_plan_position();
@@ -1254,8 +1264,10 @@ static void setup_for_endstop_move() {
       float start_z = current_position[Z_AXIS];
       long start_steps = st_get_position(Z_AXIS);
 
-      #ifdef DEBUG_LEVELING
+      #if ENABLED(DEBUG_LEVELING_FEATURE)
+      if (marlin_debug_flags & DEBUG_LEVELING) {
         SERIAL_ECHOLNPGM("run_z_probe (DELTA) 1");
+      }
       #endif
 
       // move down slowly until you find the bed
@@ -1270,8 +1282,10 @@ static void setup_for_endstop_move() {
       float mm = start_z - float(start_steps - stop_steps) / axis_steps_per_unit[Z_AXIS];
       current_position[Z_AXIS] = mm;
 
-      #ifdef DEBUG_LEVELING
+      #if ENABLED(DEBUG_LEVELING_FEATURE)
+        if (marlin_debug_flags & DEBUG_LEVELING) {
           print_xyz("run_z_probe (DELTA) 2 > current_position", current_position);
+        }
       #endif
 
       sync_plan_position_delta();
@@ -1308,8 +1322,10 @@ static void setup_for_endstop_move() {
       current_position[Z_AXIS] = st_get_position_mm(Z_AXIS);
       sync_plan_position();
 
-      #ifdef DEBUG_LEVELING
+      #if ENABLED(DEBUG_LEVELING_FEATURE)
+        if (marlin_debug_flags & DEBUG_LEVELING) {
           print_xyz("run_z_probe > current_position", current_position);
+        }
       #endif
 
     #endif // !DELTA
@@ -1322,8 +1338,10 @@ static void setup_for_endstop_move() {
   static void do_blocking_move_to(float x, float y, float z) {
     float oldFeedRate = feedrate;
 
-    #ifdef DEBUG_LEVELING
+    #if ENABLED(DEBUG_LEVELING_FEATURE)
+      if (marlin_debug_flags & DEBUG_LEVELING) {
         print_xyz("do_blocking_move_to", x, y, z);
+      }
     #endif
 
     #if ENABLED(DELTA)
@@ -1362,8 +1380,10 @@ static void setup_for_endstop_move() {
 
   static void clean_up_after_endstop_move() {
     #if ENABLED(ENDSTOPS_ONLY_FOR_HOMING)
-      #if ENABLED(DEBUG_LEVELING)
+      #if ENABLED(DEBUG_LEVELING_FEATURE)
+        if (marlin_debug_flags & DEBUG_LEVELING) {
           SERIAL_ECHOLNPGM("clean_up_after_endstop_move > ENDSTOPS_ONLY_FOR_HOMING > enable_endstops(false)");
+        }
       #endif
       enable_endstops(false);
     #endif
@@ -1374,8 +1394,10 @@ static void setup_for_endstop_move() {
 
   static void deploy_z_probe() {
 
-    #ifdef DEBUG_LEVELING
+    #if ENABLED(DEBUG_LEVELING_FEATURE)
+      if (marlin_debug_flags & DEBUG_LEVELING) {
         print_xyz("deploy_z_probe > current_position", current_position);
+      }
     #endif
 
     #if HAS_SERVO_ENDSTOPS
@@ -1468,8 +1490,10 @@ static void setup_for_endstop_move() {
 
   static void stow_z_probe(bool doRaise=true) {
 
-    #ifdef DEBUG_LEVELING
+    #if ENABLED(DEBUG_LEVELING_FEATURE)
+      if (marlin_debug_flags & DEBUG_LEVELING) {
         print_xyz("stow_z_probe > current_position", current_position);
+      }
     #endif
 
     #if HAS_SERVO_ENDSTOPS
@@ -1479,11 +1503,13 @@ static void setup_for_endstop_move() {
 
         #if Z_RAISE_AFTER_PROBING > 0
           if (doRaise) {
-            #ifdef DEBUG_LEVELING
+            #if ENABLED(DEBUG_LEVELING_FEATURE)
+              if (marlin_debug_flags & DEBUG_LEVELING) {
                 SERIAL_ECHOPAIR("Raise Z (after) by ", (float)Z_RAISE_AFTER_PROBING);
                 SERIAL_EOL;
                 SERIAL_ECHOPAIR("> SERVO_ENDSTOPS > do_blocking_move_to_z ", current_position[Z_AXIS] + Z_RAISE_AFTER_PROBING);
                 SERIAL_EOL;
+              }
             #endif
             do_blocking_move_to_z(current_position[Z_AXIS] + Z_RAISE_AFTER_PROBING); // this also updates current_position
             st_synchronize();
@@ -1574,35 +1600,43 @@ static void setup_for_endstop_move() {
   // Probe bed height at position (x,y), returns the measured z value
   static float probe_pt(float x, float y, float z_before, ProbeAction probe_action=ProbeDeployAndStow, int verbose_level=1) {
 
-    #ifdef DEBUG_LEVELING
+    #if ENABLED(DEBUG_LEVELING_FEATURE)
+      if (marlin_debug_flags & DEBUG_LEVELING) {
         SERIAL_ECHOLNPGM("probe_pt >>>");
         SERIAL_ECHOPAIR("> ProbeAction:", (unsigned long)probe_action);
         SERIAL_EOL;
         print_xyz("> current_position", current_position);
+      }
     #endif
 
-    #ifdef DEBUG_LEVELING
+    #if ENABLED(DEBUG_LEVELING_FEATURE)
+      if (marlin_debug_flags & DEBUG_LEVELING) {
         SERIAL_ECHOPAIR("Z Raise to z_before ", z_before);
         SERIAL_EOL;
         SERIAL_ECHOPAIR("> do_blocking_move_to_z ", z_before);
         SERIAL_EOL;
+      }
     #endif
 
     // Move Z up to the z_before height, then move the Z probe to the given XY
     do_blocking_move_to_z(z_before); // this also updates current_position
 
-    #ifdef DEBUG_LEVELING
+    #if ENABLED(DEBUG_LEVELING_FEATURE)
+      if (marlin_debug_flags & DEBUG_LEVELING) {
         SERIAL_ECHOPAIR("> do_blocking_move_to_xy ", x - X_PROBE_OFFSET_FROM_EXTRUDER);
         SERIAL_ECHOPAIR(", ", y - Y_PROBE_OFFSET_FROM_EXTRUDER);
         SERIAL_EOL;
+      }
     #endif
 
     do_blocking_move_to_xy(x - X_PROBE_OFFSET_FROM_EXTRUDER, y - Y_PROBE_OFFSET_FROM_EXTRUDER); // this also updates current_position
 
     #if DISABLED(Z_PROBE_SLED) && DISABLED(Z_PROBE_ALLEN_KEY)
       if (probe_action & ProbeDeploy) {
-        #ifdef DEBUG_LEVELING
+        #if ENABLED(DEBUG_LEVELING_FEATURE)
+          if (marlin_debug_flags & DEBUG_LEVELING) {
             SERIAL_ECHOLNPGM("> ProbeDeploy");
+          }
         #endif
         deploy_z_probe();
       }
@@ -1613,8 +1647,10 @@ static void setup_for_endstop_move() {
 
     #if DISABLED(Z_PROBE_SLED) && DISABLED(Z_PROBE_ALLEN_KEY)
       if (probe_action & ProbeStow) {
-        #ifdef DEBUG_LEVELING
+        #if ENABLED(DEBUG_LEVELING_FEATURE)
+          if (marlin_debug_flags & DEBUG_LEVELING) {
             SERIAL_ECHOLNPGM("> ProbeStow (stow_z_probe will do Z Raise)");
+          }
         #endif
         stow_z_probe();
       }
@@ -1630,8 +1666,10 @@ static void setup_for_endstop_move() {
       SERIAL_EOL;
     }
 
-    #ifdef DEBUG_LEVELING
+    #if ENABLED(DEBUG_LEVELING_FEATURE)
+      if (marlin_debug_flags & DEBUG_LEVELING) {
         SERIAL_ECHOLNPGM("<<< probe_pt");
+      }
     #endif
 
     return measured_z;
@@ -1689,8 +1727,10 @@ static void setup_for_endstop_move() {
 
     // Reset calibration results to zero.
     void reset_bed_level() {
-      #ifdef DEBUG_LEVELING
+      #if ENABLED(DEBUG_LEVELING_FEATURE)
+        if (marlin_debug_flags & DEBUG_LEVELING) {
           SERIAL_ECHOLNPGM("reset_bed_level");
+        }
       #endif
       for (int y = 0; y < AUTO_BED_LEVELING_GRID_POINTS; y++) {
         for (int x = 0; x < AUTO_BED_LEVELING_GRID_POINTS; x++) {
@@ -1727,9 +1767,11 @@ static void setup_for_endstop_move() {
    * offset[in]   The additional distance to move to adjust docking location
    */
   static void dock_sled(bool dock, int offset=0) {
-    #ifdef DEBUG_LEVELING
+    #if ENABLED(DEBUG_LEVELING_FEATURE)
+      if (marlin_debug_flags & DEBUG_LEVELING) {
         SERIAL_ECHOPAIR("dock_sled", dock);
         SERIAL_EOL;
+      }
     #endif
     if (!axis_known_position[X_AXIS] || !axis_known_position[Y_AXIS]) {
       LCD_MESSAGEPGM(MSG_POSITION_UNKNOWN);
@@ -1765,10 +1807,12 @@ static void setup_for_endstop_move() {
 #define HOMEAXIS(LETTER) homeaxis(LETTER##_AXIS)
 
 static void homeaxis(AxisEnum axis) {
-  #ifdef DEBUG_LEVELING
+  #if ENABLED(DEBUG_LEVELING_FEATURE)
+    if (marlin_debug_flags & DEBUG_LEVELING) {
       SERIAL_ECHOPAIR(">>> homeaxis(", (unsigned long)axis);
       SERIAL_CHAR(')');
       SERIAL_EOL;
+    }
   #endif
   #define HOMEAXIS_DO(LETTER) \
     ((LETTER##_MIN_PIN > -1 && LETTER##_HOME_DIR==-1) || (LETTER##_MAX_PIN > -1 && LETTER##_HOME_DIR==1))
@@ -1822,8 +1866,10 @@ static void homeaxis(AxisEnum axis) {
     current_position[axis] = 0;
     sync_plan_position();
 
-    #ifdef DEBUG_LEVELING
+    #if ENABLED(DEBUG_LEVELING_FEATURE)
+      if (marlin_debug_flags & DEBUG_LEVELING) {
         SERIAL_ECHOLNPGM("> enable_endstops(false)");
+      }
     #endif
     enable_endstops(false); // Disable endstops while moving away
 
@@ -1832,8 +1878,10 @@ static void homeaxis(AxisEnum axis) {
     line_to_destination();
     st_synchronize();
 
-    #ifdef DEBUG_LEVELING
+    #if ENABLED(DEBUG_LEVELING_FEATURE)
+      if (marlin_debug_flags & DEBUG_LEVELING) {
         SERIAL_ECHOLNPGM("> enable_endstops(true)");
+      }
     #endif
     enable_endstops(true); // Enable endstops for next homing move
 
@@ -1845,8 +1893,10 @@ static void homeaxis(AxisEnum axis) {
     line_to_destination();
     st_synchronize();
 
-    #ifdef DEBUG_LEVELING
+    #if ENABLED(DEBUG_LEVELING_FEATURE)
+      if (marlin_debug_flags & DEBUG_LEVELING) {
         print_xyz("> TRIGGER ENDSTOP > current_position", current_position);
+      }
     #endif
 
     #if ENABLED(Z_DUAL_ENDSTOPS)
@@ -1877,28 +1927,36 @@ static void homeaxis(AxisEnum axis) {
     #if ENABLED(DELTA)
       // retrace by the amount specified in endstop_adj
       if (endstop_adj[axis] * axis_home_dir < 0) {
-        #ifdef DEBUG_LEVELING
+        #if ENABLED(DEBUG_LEVELING_FEATURE)
+          if (marlin_debug_flags & DEBUG_LEVELING) {
             SERIAL_ECHOLNPGM("> enable_endstops(false)");
+          }
         #endif
         enable_endstops(false); // Disable endstops while moving away
         sync_plan_position();
         destination[axis] = endstop_adj[axis];
-        #ifdef DEBUG_LEVELING
+        #if ENABLED(DEBUG_LEVELING_FEATURE)
+          if (marlin_debug_flags & DEBUG_LEVELING) {
             SERIAL_ECHOPAIR("> endstop_adj = ", endstop_adj[axis]);
             print_xyz(" > destination", destination);
+          }
         #endif
         line_to_destination();
         st_synchronize();
-        #ifdef DEBUG_LEVELING
+        #if ENABLED(DEBUG_LEVELING_FEATURE)
+          if (marlin_debug_flags & DEBUG_LEVELING) {
             SERIAL_ECHOLNPGM("> enable_endstops(true)");
+          }
         #endif
         enable_endstops(true); // Enable endstops for next homing move
       }
-      #ifdef DEBUG_LEVELING
+      #if ENABLED(DEBUG_LEVELING_FEATURE)
         else {
+          if (marlin_debug_flags & DEBUG_LEVELING) {
             SERIAL_ECHOPAIR("> endstop_adj * axis_home_dir = ", endstop_adj[axis] * axis_home_dir);
             SERIAL_EOL;
           }
+        }
       #endif
     #endif
 
@@ -1906,8 +1964,10 @@ static void homeaxis(AxisEnum axis) {
     set_axis_is_at_home(axis);
     sync_plan_position();
 
-    #ifdef DEBUG_LEVELING
+    #if ENABLED(DEBUG_LEVELING_FEATURE)
+      if (marlin_debug_flags & DEBUG_LEVELING) {
         print_xyz("> AFTER set_axis_is_at_home > current_position", current_position);
+      }
     #endif
 
     destination[axis] = current_position[axis];
@@ -1927,8 +1987,10 @@ static void homeaxis(AxisEnum axis) {
       // Deploy a Z probe if there is one, and homing towards the bed
       if (axis == Z_AXIS) {
         if (axis_home_dir < 0) {
-          #ifdef DEBUG_LEVELING
+          #if ENABLED(DEBUG_LEVELING_FEATURE)
+            if (marlin_debug_flags & DEBUG_LEVELING) {
               SERIAL_ECHOLNPGM("> SERVO_LEVELING > stow_z_probe");
+            }
           #endif
           stow_z_probe();
         }
@@ -1941,8 +2003,10 @@ static void homeaxis(AxisEnum axis) {
       #if HAS_SERVO_ENDSTOPS
         // Retract Servo endstop if enabled
         if (servo_endstop_id[axis] >= 0) {
-          #ifdef DEBUG_LEVELING
+          #if ENABLED(DEBUG_LEVELING_FEATURE)
+            if (marlin_debug_flags & DEBUG_LEVELING) {
               SERIAL_ECHOLNPGM("> SERVO_ENDSTOPS > Stow with servo.move()");
+            }
           #endif
           servo[servo_endstop_id[axis]].move(servo_endstop_angle[axis][1]);
         }
@@ -1951,10 +2015,12 @@ static void homeaxis(AxisEnum axis) {
 
   }
 
-  #ifdef DEBUG_LEVELING
+  #if ENABLED(DEBUG_LEVELING_FEATURE)
+    if (marlin_debug_flags & DEBUG_LEVELING) {
       SERIAL_ECHOPAIR("<<< homeaxis(", (unsigned long)axis);
       SERIAL_CHAR(')');
       SERIAL_EOL;
+    }
   #endif
 }
 
@@ -2157,8 +2223,10 @@ inline void gcode_G4() {
  */
 inline void gcode_G28() {
 
-  #ifdef DEBUG_LEVELING
+  #if ENABLED(DEBUG_LEVELING_FEATURE)
+    if (marlin_debug_flags & DEBUG_LEVELING) {
       SERIAL_ECHOLNPGM("gcode_G28 >>>");
+    }
   #endif
 
   // Wait for planner moves to finish!
@@ -2209,8 +2277,10 @@ inline void gcode_G28() {
 
     sync_plan_position_delta();
 
-    #ifdef DEBUG_LEVELING
+    #if ENABLED(DEBUG_LEVELING_FEATURE)
+      if (marlin_debug_flags & DEBUG_LEVELING) {
         print_xyz("(DELTA) > current_position", current_position);
+      }
     #endif
 
   #else // NOT DELTA
@@ -2226,8 +2296,10 @@ inline void gcode_G28() {
       #if Z_HOME_DIR > 0  // If homing away from BED do Z first
 
         HOMEAXIS(Z);
-        #ifdef DEBUG_LEVELING
+        #if ENABLED(DEBUG_LEVELING_FEATURE)
+          if (marlin_debug_flags & DEBUG_LEVELING) {
             print_xyz("> HOMEAXIS(Z) > current_position", current_position);
+          }
         #endif
 
       #elif DISABLED(Z_SAFE_HOMING) && defined(Z_RAISE_BEFORE_HOMING) && Z_RAISE_BEFORE_HOMING > 0
@@ -2235,10 +2307,12 @@ inline void gcode_G28() {
         // Raise Z before homing any other axes
         // (Does this need to be "negative home direction?" Why not just use Z_RAISE_BEFORE_HOMING?)
         destination[Z_AXIS] = -Z_RAISE_BEFORE_HOMING * home_dir(Z_AXIS);
-        #ifdef DEBUG_LEVELING
+        #if ENABLED(DEBUG_LEVELING_FEATURE)
+          if (marlin_debug_flags & DEBUG_LEVELING) {
             SERIAL_ECHOPAIR("Raise Z (before homing) by ", (float)Z_RAISE_BEFORE_HOMING);
             SERIAL_EOL;
             print_xyz("> (home_all_axis || homeZ) > destination", destination);
+          }
         #endif
         feedrate = max_feedrate[Z_AXIS] * 60;
         line_to_destination();
@@ -2276,8 +2350,10 @@ inline void gcode_G28() {
         set_axis_is_at_home(Y_AXIS);
         sync_plan_position();
 
-        #ifdef DEBUG_LEVELING
+        #if ENABLED(DEBUG_LEVELING_FEATURE)
+          if (marlin_debug_flags & DEBUG_LEVELING) {
             print_xyz("> QUICK_HOME > current_position 1", current_position);
+          }
         #endif
 
         destination[X_AXIS] = current_position[X_AXIS];
@@ -2293,8 +2369,10 @@ inline void gcode_G28() {
           current_position[Z_AXIS] = destination[Z_AXIS];
         #endif
 
-        #ifdef DEBUG_LEVELING
+        #if ENABLED(DEBUG_LEVELING_FEATURE)
+          if (marlin_debug_flags & DEBUG_LEVELING) {
             print_xyz("> QUICK_HOME > current_position 2", current_position);
+          }
         #endif
       }
 
@@ -2322,8 +2400,10 @@ inline void gcode_G28() {
       #else
         HOMEAXIS(X);
       #endif
-      #ifdef DEBUG_LEVELING
+      #if ENABLED(DEBUG_LEVELING_FEATURE)
+        if (marlin_debug_flags & DEBUG_LEVELING) {
           print_xyz("> homeX", current_position);
+        }
       #endif
     }
 
@@ -2331,8 +2411,10 @@ inline void gcode_G28() {
       // Home Y
       if (home_all_axis || homeY) {
         HOMEAXIS(Y);
-        #ifdef DEBUG_LEVELING
+        #if ENABLED(DEBUG_LEVELING_FEATURE)
+          if (marlin_debug_flags & DEBUG_LEVELING) {
             print_xyz("> homeY", current_position);
+          }
         #endif
       }
     #endif
@@ -2344,8 +2426,10 @@ inline void gcode_G28() {
 
         #if ENABLED(Z_SAFE_HOMING)
 
-          #ifdef DEBUG_LEVELING
+          #if ENABLED(DEBUG_LEVELING_FEATURE)
+            if (marlin_debug_flags & DEBUG_LEVELING) {
               SERIAL_ECHOLNPGM("> Z_SAFE_HOMING >>>");
+            }
           #endif
 
           if (home_all_axis) {
@@ -2363,11 +2447,13 @@ inline void gcode_G28() {
             destination[Z_AXIS] = -Z_RAISE_BEFORE_HOMING * home_dir(Z_AXIS);    // Set destination away from bed
             feedrate = XY_TRAVEL_SPEED;
 
-            #ifdef DEBUG_LEVELING
+            #if ENABLED(DEBUG_LEVELING_FEATURE)
+              if (marlin_debug_flags & DEBUG_LEVELING) {
                 SERIAL_ECHOPAIR("Raise Z (before homing) by ", (float)Z_RAISE_BEFORE_HOMING);
                 SERIAL_EOL;
                 print_xyz("> home_all_axis > current_position", current_position);
                 print_xyz("> home_all_axis > destination", destination);
+              }
             #endif
 
             // This could potentially move X, Y, Z all together
@@ -2403,11 +2489,13 @@ inline void gcode_G28() {
                 destination[Z_AXIS] = -Z_RAISE_BEFORE_HOMING * home_dir(Z_AXIS);
                 feedrate = max_feedrate[Z_AXIS] * 60;  // feedrate (mm/m) = max_feedrate (mm/s)
 
-                #ifdef DEBUG_LEVELING
+                #if ENABLED(DEBUG_LEVELING_FEATURE)
+                  if (marlin_debug_flags & DEBUG_LEVELING) {
                     SERIAL_ECHOPAIR("Raise Z (before homing) by ", (float)Z_RAISE_BEFORE_HOMING);
                     SERIAL_EOL;
                     print_xyz("> homeZ > current_position", current_position);
                     print_xyz("> homeZ > destination", destination);
+                  }
                 #endif
 
                 line_to_destination();
@@ -2430,8 +2518,10 @@ inline void gcode_G28() {
 
           } // !home_all_axes && homeZ
 
-          #ifdef DEBUG_LEVELING
+          #if ENABLED(DEBUG_LEVELING_FEATURE)
+            if (marlin_debug_flags & DEBUG_LEVELING) {
               SERIAL_ECHOLNPGM("<<< Z_SAFE_HOMING");
+            }
           #endif
 
         #else // !Z_SAFE_HOMING
@@ -2440,8 +2530,10 @@ inline void gcode_G28() {
 
         #endif // !Z_SAFE_HOMING
 
-        #ifdef DEBUG_LEVELING
+        #if ENABLED(DEBUG_LEVELING_FEATURE)
+          if (marlin_debug_flags & DEBUG_LEVELING) {
             print_xyz("> (home_all_axis || homeZ) > final", current_position);
+          }
         #endif
 
       } // home_all_axis || homeZ
@@ -2457,8 +2549,10 @@ inline void gcode_G28() {
   #endif
 
   #if ENABLED(ENDSTOPS_ONLY_FOR_HOMING)
-    #ifdef DEBUG_LEVELING
+    #if ENABLED(DEBUG_LEVELING_FEATURE)
+      if (marlin_debug_flags & DEBUG_LEVELING) {
         SERIAL_ECHOLNPGM("ENDSTOPS_ONLY_FOR_HOMING enable_endstops(false)");
+      }
     #endif
     enable_endstops(false);
   #endif
@@ -2475,8 +2569,10 @@ inline void gcode_G28() {
       current_position[Z_AXIS] = MESH_HOME_SEARCH_Z;
       sync_plan_position();
       mbl.active = 1;
-      #ifdef DEBUG_LEVELING
+      #if ENABLED(DEBUG_LEVELING_FEATURE)
+        if (marlin_debug_flags & DEBUG_LEVELING) {
           print_xyz("mbl_was_active > current_position", current_position);
+        }
       #endif
     }
   #endif
@@ -2486,8 +2582,10 @@ inline void gcode_G28() {
   refresh_cmd_timeout();
   endstops_hit_on_purpose(); // clear endstop hit flags
 
-  #ifdef DEBUG_LEVELING
+  #if ENABLED(DEBUG_LEVELING_FEATURE)
+    if (marlin_debug_flags & DEBUG_LEVELING) {
       SERIAL_ECHOLNPGM("<<< gcode_G28");
+    }
   #endif
 
 }
@@ -2675,8 +2773,10 @@ inline void gcode_G28() {
    */
   inline void gcode_G29() {
 
-    #ifdef DEBUG_LEVELING
+    #if ENABLED(DEBUG_LEVELING_FEATURE)
+      if (marlin_debug_flags & DEBUG_LEVELING) {
         SERIAL_ECHOLNPGM("gcode_G29 >>>");
+      }
     #endif
 
     // Don't allow auto-leveling without homing first
@@ -2838,15 +2938,19 @@ inline void gcode_G28() {
                 z_before = probePointCounter ? Z_RAISE_BETWEEN_PROBINGS + current_position[Z_AXIS] : Z_RAISE_BEFORE_PROBING;
 
           if (probePointCounter) {
-            #ifdef DEBUG_LEVELING
+            #if ENABLED(DEBUG_LEVELING_FEATURE)
+              if (marlin_debug_flags & DEBUG_LEVELING) {
                 SERIAL_ECHOPAIR("z_before = (between) ", (float)(Z_RAISE_BETWEEN_PROBINGS + current_position[Z_AXIS]));
                 SERIAL_EOL;
+              }
             #endif
           }
           else {
-            #ifdef DEBUG_LEVELING
+            #if ENABLED(DEBUG_LEVELING_FEATURE)
+              if (marlin_debug_flags & DEBUG_LEVELING) {
                 SERIAL_ECHOPAIR("z_before = (before) ", (float)Z_RAISE_BEFORE_PROBING);
                 SERIAL_EOL;
+              }
             #endif
           }
 
@@ -2887,8 +2991,10 @@ inline void gcode_G28() {
         } //xProbe
       } //yProbe
 
-      #ifdef DEBUG_LEVELING
+      #if ENABLED(DEBUG_LEVELING_FEATURE)
+        if (marlin_debug_flags & DEBUG_LEVELING) {
           print_xyz("> probing complete > current_position", current_position);
+        }
       #endif
 
       clean_up_after_endstop_move();
@@ -2987,8 +3093,10 @@ inline void gcode_G28() {
 
     #else // !AUTO_BED_LEVELING_GRID
 
-      #ifdef DEBUG_LEVELING
+      #if ENABLED(DEBUG_LEVELING_FEATURE)
+        if (marlin_debug_flags & DEBUG_LEVELING) {
           SERIAL_ECHOLNPGM("> 3-point Leveling");
+        }
       #endif
 
       // Actions for each probe
@@ -3020,11 +3128,13 @@ inline void gcode_G28() {
               z_tmp = current_position[Z_AXIS],
               real_z = st_get_position_mm(Z_AXIS);  //get the real Z (since plan_get_position is now correcting the plane)
 
-        #ifdef DEBUG_LEVELING
+        #if ENABLED(DEBUG_LEVELING_FEATURE)
+          if (marlin_debug_flags & DEBUG_LEVELING) {
             SERIAL_ECHOPAIR("> BEFORE apply_rotation_xyz > z_tmp  = ", z_tmp);
             SERIAL_EOL;
             SERIAL_ECHOPAIR("> BEFORE apply_rotation_xyz > real_z = ", real_z);
             SERIAL_EOL;
+          }
         #endif
 
         apply_rotation_xyz(plan_bed_level_matrix, x_tmp, y_tmp, z_tmp); // Apply the correction sending the Z probe offset
@@ -3045,9 +3155,11 @@ inline void gcode_G28() {
         //      adjust for inaccurate endstops, not for reasonably accurate probes. If it were
         //      added here, it could be seen as a compensating factor for the Z probe.
         //
-        #ifdef DEBUG_LEVELING
+        #if ENABLED(DEBUG_LEVELING_FEATURE)
+          if (marlin_debug_flags & DEBUG_LEVELING) {
             SERIAL_ECHOPAIR("> AFTER apply_rotation_xyz > z_tmp  = ", z_tmp);
             SERIAL_EOL;
+          }
         #endif
 
         current_position[Z_AXIS] = -zprobe_zoffset + (z_tmp - real_z)
@@ -3058,8 +3170,10 @@ inline void gcode_G28() {
         // current_position[Z_AXIS] += home_offset[Z_AXIS]; // The Z probe determines Z=0, not "Z home"
         sync_plan_position();
 
-        #ifdef DEBUG_LEVELING
+        #if ENABLED(DEBUG_LEVELING_FEATURE)
+          if (marlin_debug_flags & DEBUG_LEVELING) {
             print_xyz("> corrected Z in G29", current_position);
+          }
         #endif
       }
     #endif // !DELTA
@@ -3071,16 +3185,20 @@ inline void gcode_G28() {
     #endif
 
     #ifdef Z_PROBE_END_SCRIPT
-      #ifdef DEBUG_LEVELING
+      #if ENABLED(DEBUG_LEVELING_FEATURE)
+        if (marlin_debug_flags & DEBUG_LEVELING) {
           SERIAL_ECHO("Z Probe End Script: ");
           SERIAL_ECHOLNPGM(Z_PROBE_END_SCRIPT);
+        }
       #endif
       enqueuecommands_P(PSTR(Z_PROBE_END_SCRIPT));
       st_synchronize();
     #endif
 
-    #ifdef DEBUG_LEVELING
+    #if ENABLED(DEBUG_LEVELING_FEATURE)
+      if (marlin_debug_flags & DEBUG_LEVELING) {
         SERIAL_ECHOLNPGM("<<< gcode_G29");
+      }
     #endif
 
   }
@@ -3891,6 +4009,12 @@ inline void gcode_M111() {
     SERIAL_ECHOLNPGM(MSG_DEBUG_DRYRUN);
     disable_all_heaters();
   }
+#if ENABLED(DEBUG_LEVELING_FEATURE)
+  if (marlin_debug_flags & DEBUG_LEVELING) {
+    SERIAL_ECHO_START;
+    SERIAL_ECHOLNPGM(MSG_DEBUG_LEVELING);
+  }
+#endif
 }
 
 /**
@@ -4377,22 +4501,28 @@ inline void gcode_M206() {
    * M666: Set delta endstop adjustment
    */
   inline void gcode_M666() {
-    #ifdef DEBUG_LEVELING
+    #if ENABLED(DEBUG_LEVELING_FEATURE)
+      if (marlin_debug_flags & DEBUG_LEVELING) {
         SERIAL_ECHOLNPGM(">>> gcode_M666");
+      }
     #endif
     for (int8_t i = X_AXIS; i <= Z_AXIS; i++) {
       if (code_seen(axis_codes[i])) {
         endstop_adj[i] = code_value();
-        #ifdef DEBUG_LEVELING
+        #if ENABLED(DEBUG_LEVELING_FEATURE)
+          if (marlin_debug_flags & DEBUG_LEVELING) {
             SERIAL_ECHOPGM("endstop_adj[");
             SERIAL_ECHO(axis_codes[i]);
             SERIAL_ECHOPAIR("] = ", endstop_adj[i]);
             SERIAL_EOL;
+          }
         #endif
       }
     }
-    #ifdef DEBUG_LEVELING
+    #if ENABLED(DEBUG_LEVELING_FEATURE)
+      if (marlin_debug_flags & DEBUG_LEVELING) {
         SERIAL_ECHOLNPGM("<<< gcode_M666");
+      }
     #endif
   }
 #elif ENABLED(Z_DUAL_ENDSTOPS) // !DELTA && ENABLED(Z_DUAL_ENDSTOPS)
@@ -6096,9 +6226,11 @@ void clamp_to_software_endstops(float target[3]) {
     #if ENABLED(AUTO_BED_LEVELING_FEATURE)
       if (zprobe_zoffset < 0) negative_z_offset += zprobe_zoffset;
       if (home_offset[Z_AXIS] < 0) {
-        #ifdef DEBUG_LEVELING
+        #if ENABLED(DEBUG_LEVELING_FEATURE)
+          if (marlin_debug_flags & DEBUG_LEVELING) {
             SERIAL_ECHOPAIR("> clamp_to_software_endstops > Add home_offset[Z_AXIS]:", home_offset[Z_AXIS]);
             SERIAL_EOL;
+          }
         #endif
         negative_z_offset += home_offset[Z_AXIS];
       }

Marlin/language.h

@@ -214,6 +214,7 @@
 #define MSG_DEBUG_INFO                      "DEBUG INFO ENABLED"
 #define MSG_DEBUG_ERRORS                    "DEBUG ERRORS ENABLED"
 #define MSG_DEBUG_DRYRUN                    "DEBUG DRYRUN ENABLED"
+#define MSG_DEBUG_LEVELING                  "DEBUG LEVELING ENABLED"
 
 // LCD Menu Messages