Allow override of Z_ENDSTOP_SERVO_NR with BLTOUCH

Marlin/Conditionals_post.h

    * The BLTouch Probe emulates a servo probe
    */
   #if ENABLED(BLTOUCH)
-    #undef Z_ENDSTOP_SERVO_NR
+    #ifndef Z_ENDSTOP_SERVO_NR
+      #define Z_ENDSTOP_SERVO_NR 0
+    #endif
+    #ifndef NUM_SERVOS
+      #define NUM_SERVOS (Z_ENDSTOP_SERVO_NR + 1)
+    #endif
     #undef Z_SERVO_ANGLES
-    #define Z_ENDSTOP_SERVO_NR 0
     #define Z_SERVO_ANGLES {10,90} // For BLTouch 10=deploy, 90=retract
     #undef DEACTIVATE_SERVOS_AFTER_MOVE
     #if ENABLED(Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN)

Marlin/Configuration.h

 //#define FIX_MOUNTED_PROBE
 
 // The BLTouch probe emulates a servo probe.
+// The default connector is SERVO 0. Set Z_ENDSTOP_SERVO_NR below to override.
 //#define BLTOUCH
 
 // Z Servo Probe, such as an endstop switch on a rotating arm.

Marlin/SanityCheck.h

   #if (ENABLED(FIX_MOUNTED_PROBE) && (ENABLED(Z_PROBE_ALLEN_KEY) || HAS_Z_SERVO_ENDSTOP || ENABLED(Z_PROBE_SLED))) \
        || (ENABLED(Z_PROBE_ALLEN_KEY) && (HAS_Z_SERVO_ENDSTOP || ENABLED(Z_PROBE_SLED))) \
        || (HAS_Z_SERVO_ENDSTOP && ENABLED(Z_PROBE_SLED))
-    #error "Please define only one type of probe: Z Servo, Z_PROBE_ALLEN_KEY, Z_PROBE_SLED, or FIX_MOUNTED_PROBE."
+    #error "Please define only one type of probe: Z Servo/BLTOUCH, Z_PROBE_ALLEN_KEY, Z_PROBE_SLED, or FIX_MOUNTED_PROBE."
   #endif
 
   /**

Marlin/example_configurations/Cartesio/Configuration.h

 //#define FIX_MOUNTED_PROBE
 
 // The BLTouch probe emulates a servo probe.
+// The default connector is SERVO 0. Set Z_ENDSTOP_SERVO_NR below to override.
 //#define BLTOUCH
 
 // Z Servo Probe, such as an endstop switch on a rotating arm.

Marlin/example_configurations/Felix/Configuration.h

 //#define FIX_MOUNTED_PROBE
 
 // The BLTouch probe emulates a servo probe.
+// The default connector is SERVO 0. Set Z_ENDSTOP_SERVO_NR below to override.
 //#define BLTOUCH
 
 // Z Servo Probe, such as an endstop switch on a rotating arm.

Marlin/example_configurations/Felix/DUAL/Configuration.h

 //#define FIX_MOUNTED_PROBE
 
 // The BLTouch probe emulates a servo probe.
+// The default connector is SERVO 0. Set Z_ENDSTOP_SERVO_NR below to override.
 //#define BLTOUCH
 
 // Z Servo Probe, such as an endstop switch on a rotating arm.

Marlin/example_configurations/Hephestos/Configuration.h

 //#define FIX_MOUNTED_PROBE
 
 // The BLTouch probe emulates a servo probe.
+// The default connector is SERVO 0. Set Z_ENDSTOP_SERVO_NR below to override.
 //#define BLTOUCH
 
 // Z Servo Probe, such as an endstop switch on a rotating arm.

Marlin/example_configurations/Hephestos_2/Configuration.h

 #define FIX_MOUNTED_PROBE
 
 // The BLTouch probe emulates a servo probe.
+// The default connector is SERVO 0. Set Z_ENDSTOP_SERVO_NR below to override.
 //#define BLTOUCH
 
 // Z Servo Probe, such as an endstop switch on a rotating arm.

Marlin/example_configurations/K8200/Configuration.h

 //#define FIX_MOUNTED_PROBE
 
 // The BLTouch probe emulates a servo probe.
+// The default connector is SERVO 0. Set Z_ENDSTOP_SERVO_NR below to override.
 //#define BLTOUCH
 
 // Z Servo Probe, such as an endstop switch on a rotating arm.

Marlin/example_configurations/K8400/Configuration.h

 //#define FIX_MOUNTED_PROBE
 
 // The BLTouch probe emulates a servo probe.
+// The default connector is SERVO 0. Set Z_ENDSTOP_SERVO_NR below to override.
 //#define BLTOUCH
 
 // Z Servo Probe, such as an endstop switch on a rotating arm.

Marlin/example_configurations/K8400/Dual-head/Configuration.h

 //#define FIX_MOUNTED_PROBE
 
 // The BLTouch probe emulates a servo probe.
+// The default connector is SERVO 0. Set Z_ENDSTOP_SERVO_NR below to override.
 //#define BLTOUCH
 
 // Z Servo Probe, such as an endstop switch on a rotating arm.

Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h

 //#define FIX_MOUNTED_PROBE
 
 // The BLTouch probe emulates a servo probe.
+// The default connector is SERVO 0. Set Z_ENDSTOP_SERVO_NR below to override.
 //#define BLTOUCH
 
 // Z Servo Probe, such as an endstop switch on a rotating arm.

Marlin/example_configurations/RigidBot/Configuration.h

 //#define FIX_MOUNTED_PROBE
 
 // The BLTouch probe emulates a servo probe.
+// The default connector is SERVO 0. Set Z_ENDSTOP_SERVO_NR below to override.
 //#define BLTOUCH
 
 // Z Servo Probe, such as an endstop switch on a rotating arm.

Marlin/example_configurations/SCARA/Configuration.h

 //#define FIX_MOUNTED_PROBE
 
 // The BLTouch probe emulates a servo probe.
+// The default connector is SERVO 0. Set Z_ENDSTOP_SERVO_NR below to override.
 //#define BLTOUCH
 
 // Z Servo Probe, such as an endstop switch on a rotating arm.

Marlin/example_configurations/TAZ4/Configuration.h

 //#define FIX_MOUNTED_PROBE
 
 // The BLTouch probe emulates a servo probe.
+// The default connector is SERVO 0. Set Z_ENDSTOP_SERVO_NR below to override.
 //#define BLTOUCH
 
 // Z Servo Probe, such as an endstop switch on a rotating arm.

Marlin/example_configurations/WITBOX/Configuration.h

 //#define FIX_MOUNTED_PROBE
 
 // The BLTouch probe emulates a servo probe.
+// The default connector is SERVO 0. Set Z_ENDSTOP_SERVO_NR below to override.
 //#define BLTOUCH
 
 // Z Servo Probe, such as an endstop switch on a rotating arm.

Marlin/example_configurations/adafruit/ST7565/Configuration.h

 //#define FIX_MOUNTED_PROBE
 
 // The BLTouch probe emulates a servo probe.
+// The default connector is SERVO 0. Set Z_ENDSTOP_SERVO_NR below to override.
 //#define BLTOUCH
 
 // Z Servo Probe, such as an endstop switch on a rotating arm.

Marlin/example_configurations/delta/biv2.5/Configuration.h

 //#define FIX_MOUNTED_PROBE
 
 // The BLTouch probe emulates a servo probe.
+// The default connector is SERVO 0. Set Z_ENDSTOP_SERVO_NR below to override.
 //#define BLTOUCH
 
 // Z Servo Probe, such as an endstop switch on a rotating arm.

Marlin/example_configurations/delta/generic/Configuration.h

 //#define FIX_MOUNTED_PROBE
 
 // The BLTouch probe emulates a servo probe.
+// The default connector is SERVO 0. Set Z_ENDSTOP_SERVO_NR below to override.
 //#define BLTOUCH
 
 // Z Servo Probe, such as an endstop switch on a rotating arm.

Marlin/example_configurations/delta/kossel_mini/Configuration.h

 //#define FIX_MOUNTED_PROBE
 
 // The BLTouch probe emulates a servo probe.
+// The default connector is SERVO 0. Set Z_ENDSTOP_SERVO_NR below to override.
 //#define BLTOUCH
 
 // Z Servo Probe, such as an endstop switch on a rotating arm.

Marlin/example_configurations/delta/kossel_pro/Configuration.h

 //#define FIX_MOUNTED_PROBE
 
 // The BLTouch probe emulates a servo probe.
+// The default connector is SERVO 0. Set Z_ENDSTOP_SERVO_NR below to override.
 //#define BLTOUCH
 
 // Z Servo Probe, such as an endstop switch on a rotating arm.

Marlin/example_configurations/delta/kossel_xl/Configuration.h

 #define FIX_MOUNTED_PROBE
 
 // The BLTouch probe emulates a servo probe.
+// The default connector is SERVO 0. Set Z_ENDSTOP_SERVO_NR below to override.
 //#define BLTOUCH
 
 // Z Servo Probe, such as an endstop switch on a rotating arm.

Marlin/example_configurations/makibox/Configuration.h

 //#define FIX_MOUNTED_PROBE
 
 // The BLTouch probe emulates a servo probe.
+// The default connector is SERVO 0. Set Z_ENDSTOP_SERVO_NR below to override.
 //#define BLTOUCH
 
 // Z Servo Probe, such as an endstop switch on a rotating arm.

Marlin/example_configurations/tvrrug/Round2/Configuration.h

 //#define FIX_MOUNTED_PROBE
 
 // The BLTouch probe emulates a servo probe.
+// The default connector is SERVO 0. Set Z_ENDSTOP_SERVO_NR below to override.
 //#define BLTOUCH
 
 // Z Servo Probe, such as an endstop switch on a rotating arm.