Feature: Very fast BLTouch probing

Marlin/Configuration.h

@@ -915,11 +915,11 @@
  *                                      X, Y, Z, E0 [, E1[, E2...]]
  */
 #if ENABLED(KNUTWURST_MEGA)
-    #define DEFAULT_MAX_FEEDRATE          { 500, 500, 6, 60 }
+    #define DEFAULT_MAX_FEEDRATE          { 500, 500, 20, 60 }
 #endif
 
 #if ENABLED(KNUTWURST_MEGA_S)
-    #define DEFAULT_MAX_FEEDRATE          { 500, 500, 6, 30 }
+    #define DEFAULT_MAX_FEEDRATE          { 500, 500, 20, 30 }
 #endif
 
 #if ENABLED(KNUTWURST_MEGA_X)
@@ -1178,10 +1178,10 @@
 
 // Most probes should stay away from the edges of the bed, but
 // with NOZZLE_AS_PROBE this can be negative for a wider probing area.
-#define MIN_PROBE_EDGE 10
+#define MIN_PROBE_EDGE 30
 
 // X and Y axis travel speed (mm/m) between probes
-#define XY_PROBE_SPEED 3600
+#define XY_PROBE_SPEED 8000
 
 // Feedrate (mm/m) for the first approach when double-probing (MULTIPLE_PROBING == 2)
 #define Z_PROBE_SPEED_FAST HOMING_FEEDRATE_Z
@@ -1634,7 +1634,7 @@
 
 // Homing speeds (mm/m)
 #define HOMING_FEEDRATE_XY (50*60)
-#define HOMING_FEEDRATE_Z  (4*60)
+#define HOMING_FEEDRATE_Z  (10*60)
 
 // Validate that endstops are triggered on homing moves
 #define VALIDATE_HOMING_ENDSTOPS

Marlin/Configuration_adv.h

@@ -681,7 +681,7 @@
    * This feature was designed for Delta's with very fast Z moves however higher speed cartesians may function
    * If the machine cannot raise the probe fast enough after a trigger, it may enter a fault state.
    */
-  //#define BLTOUCH_HS_MODE
+  #define BLTOUCH_HS_MODE
 
   // Safety: Enable voltage mode settings in the LCD menu.
   //#define BLTOUCH_LCD_VOLTAGE_MENU

Marlin/src/lcd/anycubic_touchscreen.cpp

@@ -539,7 +539,7 @@ void AnycubicTouchscreenClass::HandleSpecialMenu()
   || (strcasestr(currentTouchscreenSelection, SM_BLTOUCH_S) != NULL))
   {
     SERIAL_ECHOLNPGM("Special Menu: BLTouch Leveling");
-    queue.inject_P(PSTR("G28\nG29\nM500\nG90\nG1 X0 Z30 F4000\nG91"));
+    queue.inject_P(PSTR("G28\nG29\nM500\nG90\nG1 Z30 F4000\nG1 X0 F4000\nG91"));
   }
 #endif