[2.0.x] G33 MIN_STEPS_PER_SEGMENT (#10386)

Marlin/src/config/examples/delta/FLSUN/auto_calibrate/Configuration.h

     // Set the radius for the calibration probe points - max DELTA_PRINTABLE_RADIUS for non-eccentric probes
     #define DELTA_CALIBRATION_RADIUS 73.5 // mm
     // Set the steprate for papertest probing
-    #define PROBE_MANUALLY_STEP (MIN_STEPS_PER_SEGMENT / DEFAULT_XYZ_STEPS_PER_UNIT)
+    #define PROBE_MANUALLY_STEP 0.05 // mm
   #endif
 
   // Print surface diameter/2 minus unreachable space (avoid collisions with vertical towers).

Marlin/src/config/examples/delta/FLSUN/kossel/Configuration.h

     // Set the radius for the calibration probe points - max DELTA_PRINTABLE_RADIUS for non-eccentric probes
     #define DELTA_CALIBRATION_RADIUS 63 // mm
     // Set the steprate for papertest probing
-    #define PROBE_MANUALLY_STEP (MIN_STEPS_PER_SEGMENT / DEFAULT_XYZ_STEPS_PER_UNIT)
+    #define PROBE_MANUALLY_STEP 0.05 // mm
   #endif
 
   // Print surface diameter/2 minus unreachable space (avoid collisions with vertical towers).

Marlin/src/config/examples/delta/FLSUN/kossel_mini/Configuration.h

     // Set the radius for the calibration probe points - max DELTA_PRINTABLE_RADIUS for non-eccentric probes
     #define DELTA_CALIBRATION_RADIUS 73.5 // mm
     // Set the steprate for papertest probing
-    #define PROBE_MANUALLY_STEP (MIN_STEPS_PER_SEGMENT / DEFAULT_XYZ_STEPS_PER_UNIT)
+    #define PROBE_MANUALLY_STEP 0.05 // mm
   #endif
 
   // Print surface diameter/2 minus unreachable space (avoid collisions with vertical towers).

Marlin/src/config/examples/delta/Hatchbox_Alpha/Configuration.h

     // Set the radius for the calibration probe points - max DELTA_PRINTABLE_RADIUS for non-eccentric probes
     #define DELTA_CALIBRATION_RADIUS 121.5 // mm
     // Set the steprate for papertest probing
-    #define PROBE_MANUALLY_STEP (MIN_STEPS_PER_SEGMENT / DEFAULT_XYZ_STEPS_PER_UNIT)
+    #define PROBE_MANUALLY_STEP 0.05 // mm
   #endif
 
   // Print surface diameter/2 minus unreachable space (avoid collisions with vertical towers).

Marlin/src/config/examples/delta/generic/Configuration.h

     // Set the radius for the calibration probe points - max DELTA_PRINTABLE_RADIUS for non-eccentric probes
     #define DELTA_CALIBRATION_RADIUS 121.5 // mm
     // Set the steprate for papertest probing
-    #define PROBE_MANUALLY_STEP (MIN_STEPS_PER_SEGMENT / DEFAULT_XYZ_STEPS_PER_UNIT)
+    #define PROBE_MANUALLY_STEP 0.05 // mm
   #endif
 
   // Print surface diameter/2 minus unreachable space (avoid collisions with vertical towers).

Marlin/src/config/examples/delta/kossel_mini/Configuration.h

     // Set the radius for the calibration probe points - max DELTA_PRINTABLE_RADIUS for non-eccentric probes
     #define DELTA_CALIBRATION_RADIUS 78.0 // mm
     // Set the steprate for papertest probing
-    #define PROBE_MANUALLY_STEP (MIN_STEPS_PER_SEGMENT / DEFAULT_XYZ_STEPS_PER_UNIT)
+    #define PROBE_MANUALLY_STEP 0.05 // mm
   #endif
 
   // Print surface diameter/2 minus unreachable space (avoid collisions with vertical towers).

Marlin/src/config/examples/delta/kossel_pro/Configuration.h

     // Set the radius for the calibration probe points - max DELTA_PRINTABLE_RADIUS for non-eccentric probes
     #define DELTA_CALIBRATION_RADIUS 110.0 // mm
     // Set the steprate for papertest probing
-    #define PROBE_MANUALLY_STEP (MIN_STEPS_PER_SEGMENT / DEFAULT_XYZ_STEPS_PER_UNIT)
+    #define PROBE_MANUALLY_STEP 0.05 // mm
   #endif
 
   // Print surface diameter/2 minus unreachable space (avoid collisions with vertical towers).

Marlin/src/config/examples/delta/kossel_xl/Configuration.h

     // Set the radius for the calibration probe points - max DELTA_PRINTABLE_RADIUS for non-eccentric probes
     #define DELTA_CALIBRATION_RADIUS 121.5 // mm
     // Set the steprate for papertest probing
-    #define PROBE_MANUALLY_STEP (MIN_STEPS_PER_SEGMENT / DEFAULT_XYZ_STEPS_PER_UNIT)
+    #define PROBE_MANUALLY_STEP 0.05 // mm
   #endif
 
   // Print surface diameter/2 minus unreachable space (avoid collisions with vertical towers).

Marlin/src/inc/SanityCheck.h

   #error "MANUAL_PROBE_Z_RANGE is now LCD_PROBE_Z_RANGE. Please update your configuration."
 #elif !defined(MIN_STEPS_PER_SEGMENT)
   #error Please replace "const int dropsegments" with "#define MIN_STEPS_PER_SEGMENT" (and increase by 1) in Configuration_adv.h.
+#elif MIN_STEPS_PER_SEGMENT <= 0
+  #error "MIN_STEPS_PER_SEGMENT must be at least 1. Please update your Configuration_adv.h."
 #elif defined(PREVENT_DANGEROUS_EXTRUDE)
   #error "PREVENT_DANGEROUS_EXTRUDE is now PREVENT_COLD_EXTRUSION. Please update your configuration."
 #elif defined(SCARA)

Marlin/src/lcd/ultralcd.cpp

       do_blocking_move_to_xy(rx, ry);
 
       lcd_synchronize();
-      move_menu_scale = PROBE_MANUALLY_STEP;
+      move_menu_scale = max(PROBE_MANUALLY_STEP, MIN_STEPS_PER_SEGMENT / float(DEFAULT_XYZ_STEPS_PER_UNIT));
       lcd_goto_screen(lcd_move_z);
     }
 

Marlin/src/module/motion.cpp

       #if ENABLED(DEBUG_LEVELING_FEATURE)
         if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM("delta_endstop_adj:");
       #endif
-      do_homing_move(axis, delta_endstop_adj[axis] - MIN_STEPS_PER_SEGMENT / planner.axis_steps_per_mm[axis] * Z_HOME_DIR);
+      do_homing_move(axis, delta_endstop_adj[axis] - (MIN_STEPS_PER_SEGMENT + 1) * planner.steps_to_mm[axis] * Z_HOME_DIR);
     }
 
   #else