Add delta auto-calibration and configuration for Flsun AC

Marlin/example_configurations/delta/kossel_pro/Configuration.h

@@ -1,4 +1,4 @@
-/**
+/**
  * Marlin 3D Printer Firmware
  * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
@@ -440,6 +440,9 @@
   // Horizontal distance bridged by diagonal push rods when effector is centered.
   #define DELTA_RADIUS (DELTA_SMOOTH_ROD_OFFSET-(DELTA_EFFECTOR_OFFSET)-(DELTA_CARRIAGE_OFFSET))
 
+  // height from z=0.00 to home position
+  #define DELTA_HEIGHT 277 // get this value from auto calibrate
+
   // Print surface diameter/2 minus unreachable space (avoid collisions with vertical towers).
   #define DELTA_PRINTABLE_RADIUS 127.0
 
@@ -447,6 +450,13 @@
   // See http://minow.blogspot.com/index.html#4918805519571907051
   //#define DELTA_CALIBRATION_MENU
 
+  // G33 Delta Auto-Calibration (Enable EEPROM_SETTINGS to store results)
+  //#define DELTA_AUTO_CALIBRATION
+  #if ENABLED(DELTA_AUTO_CALIBRATION)
+    #define DELTA_CALIBRATION_DEFAULT_POINTS 3 // set the default number of probe points : n*n (1-4)
+    #define DELTA_CALIBRATION_RADIUS (DELTA_PRINTABLE_RADIUS - 15) // set the radius for the calibration probe points
+  #endif
+
   // After homing move down to a height where XY movement is unconstrained
   #define DELTA_HOME_TO_SAFE_ZONE
 
@@ -1071,7 +1081,7 @@
 // For DELTA this is the top-center of the Cartesian print volume.
 //#define MANUAL_X_HOME_POS 0
 //#define MANUAL_Y_HOME_POS 0
-#define MANUAL_Z_HOME_POS 277 // Distance between the nozzle to printbed after homing
+#define MANUAL_Z_HOME_POS DELTA_HEIGHT // Distance between the nozzle to printbed after homing
 
 // Use "Z Safe Homing" to avoid homing with a Z probe outside the bed area.
 //