Merge pull request #4336 from thinkyhead/rc_bltouch_sensor

BLTouch probe sensor

Marlin/Conditionals.h

   #endif //!MANUAL_HOME_POSITIONS
 
   /**
+   * The BLTouch Probe emulates a servo probe
+   */
+  #if ENABLED(BLTOUCH)
+    #undef Z_ENDSTOP_SERVO_NR
+    #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)
+      #undef Z_MIN_ENDSTOP_INVERTING
+      #define Z_MIN_ENDSTOP_INVERTING false
+    #endif
+  #endif
+
+  /**
    * Auto Bed Leveling and Z Probe Repeatability Test
    */
   #define HAS_PROBING_PROCEDURE (ENABLED(AUTO_BED_LEVELING_FEATURE) || ENABLED(Z_MIN_PROBE_REPEATABILITY_TEST))

Marlin/Configuration.h

 // its trigger-point if hardware endstops are active.
 //#define FIX_MOUNTED_PROBE
 
+// The BLTouch probe emulates a servo probe.
+//#define BLTOUCH
+
 // Z Servo Probe, such as an endstop switch on a rotating arm.
 //#define Z_ENDSTOP_SERVO_NR 0
 //#define Z_SERVO_ANGLES {70,0} // Z Servo Deploy and Stow angles

Marlin/example_configurations/Cartesio/Configuration.h

 // its trigger-point if hardware endstops are active.
 //#define FIX_MOUNTED_PROBE
 
+// The BLTouch probe emulates a servo probe.
+//#define BLTOUCH
+
 // Z Servo Probe, such as an endstop switch on a rotating arm.
 //#define Z_ENDSTOP_SERVO_NR 0
 //#define Z_SERVO_ANGLES {70,0} // Z Servo Deploy and Stow angles

Marlin/example_configurations/Felix/Configuration.h

 // its trigger-point if hardware endstops are active.
 //#define FIX_MOUNTED_PROBE
 
+// The BLTouch probe emulates a servo probe.
+//#define BLTOUCH
+
 // Z Servo Probe, such as an endstop switch on a rotating arm.
 //#define Z_ENDSTOP_SERVO_NR 0
 //#define Z_SERVO_ANGLES {70,0} // Z Servo Deploy and Stow angles

Marlin/example_configurations/Felix/DUAL/Configuration.h

 // its trigger-point if hardware endstops are active.
 //#define FIX_MOUNTED_PROBE
 
+// The BLTouch probe emulates a servo probe.
+//#define BLTOUCH
+
 // Z Servo Probe, such as an endstop switch on a rotating arm.
 //#define Z_ENDSTOP_SERVO_NR 0
 //#define Z_SERVO_ANGLES {70,0} // Z Servo Deploy and Stow angles

Marlin/example_configurations/Hephestos/Configuration.h

 // its trigger-point if hardware endstops are active.
 //#define FIX_MOUNTED_PROBE
 
+// The BLTouch probe emulates a servo probe.
+//#define BLTOUCH
+
 // Z Servo Probe, such as an endstop switch on a rotating arm.
 //#define Z_ENDSTOP_SERVO_NR 0
 //#define Z_SERVO_ANGLES {70,0} // Z Servo Deploy and Stow angles

Marlin/example_configurations/Hephestos_2/Configuration.h

 // its trigger-point if hardware endstops are active.
 #define FIX_MOUNTED_PROBE
 
+// The BLTouch probe emulates a servo probe.
+//#define BLTOUCH
+
 // Z Servo Probe, such as an endstop switch on a rotating arm.
 //#define Z_ENDSTOP_SERVO_NR 0
 //#define Z_SERVO_ANGLES {70,0} // Z Servo Deploy and Stow angles

Marlin/example_configurations/K8200/Configuration.h

 // its trigger-point if hardware endstops are active.
 //#define FIX_MOUNTED_PROBE
 
+// The BLTouch probe emulates a servo probe.
+//#define BLTOUCH
+
 // Z Servo Probe, such as an endstop switch on a rotating arm.
 //#define Z_ENDSTOP_SERVO_NR 0
 //#define Z_SERVO_ANGLES {70,0} // Z Servo Deploy and Stow angles

Marlin/example_configurations/K8400/Configuration.h

 // its trigger-point if hardware endstops are active.
 //#define FIX_MOUNTED_PROBE
 
+// The BLTouch probe emulates a servo probe.
+//#define BLTOUCH
+
 // Z Servo Probe, such as an endstop switch on a rotating arm.
 //#define Z_ENDSTOP_SERVO_NR 0
 //#define Z_SERVO_ANGLES {70,0} // Z Servo Deploy and Stow angles

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

 // its trigger-point if hardware endstops are active.
 //#define FIX_MOUNTED_PROBE
 
+// The BLTouch probe emulates a servo probe.
+//#define BLTOUCH
+
 // Z Servo Probe, such as an endstop switch on a rotating arm.
 //#define Z_ENDSTOP_SERVO_NR 0
 //#define Z_SERVO_ANGLES {70,0} // Z Servo Deploy and Stow angles

Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h

 // its trigger-point if hardware endstops are active.
 //#define FIX_MOUNTED_PROBE
 
+// The BLTouch probe emulates a servo probe.
+//#define BLTOUCH
+
 // Z Servo Probe, such as an endstop switch on a rotating arm.
 //#define Z_ENDSTOP_SERVO_NR 0
 //#define Z_SERVO_ANGLES {70,0} // Z Servo Deploy and Stow angles

Marlin/example_configurations/RigidBot/Configuration.h

 // its trigger-point if hardware endstops are active.
 //#define FIX_MOUNTED_PROBE
 
+// The BLTouch probe emulates a servo probe.
+//#define BLTOUCH
+
 // Z Servo Probe, such as an endstop switch on a rotating arm.
 //#define Z_ENDSTOP_SERVO_NR 0
 //#define Z_SERVO_ANGLES {70,0} // Z Servo Deploy and Stow angles

Marlin/example_configurations/SCARA/Configuration.h

 // its trigger-point if hardware endstops are active.
 //#define FIX_MOUNTED_PROBE
 
+// The BLTouch probe emulates a servo probe.
+//#define BLTOUCH
+
 // Z Servo Probe, such as an endstop switch on a rotating arm.
 //#define Z_ENDSTOP_SERVO_NR 0
 //#define Z_SERVO_ANGLES {70,0} // Z Servo Deploy and Stow angles

Marlin/example_configurations/TAZ4/Configuration.h

 // its trigger-point if hardware endstops are active.
 //#define FIX_MOUNTED_PROBE
 
+// The BLTouch probe emulates a servo probe.
+//#define BLTOUCH
+
 // Z Servo Probe, such as an endstop switch on a rotating arm.
 //#define Z_ENDSTOP_SERVO_NR 0
 //#define Z_SERVO_ANGLES {70,0} // Z Servo Deploy and Stow angles

Marlin/example_configurations/WITBOX/Configuration.h

 // its trigger-point if hardware endstops are active.
 //#define FIX_MOUNTED_PROBE
 
+// The BLTouch probe emulates a servo probe.
+//#define BLTOUCH
+
 // Z Servo Probe, such as an endstop switch on a rotating arm.
 //#define Z_ENDSTOP_SERVO_NR 0
 //#define Z_SERVO_ANGLES {70,0} // Z Servo Deploy and Stow angles

Marlin/example_configurations/adafruit/ST7565/Configuration.h

 // its trigger-point if hardware endstops are active.
 //#define FIX_MOUNTED_PROBE
 
+// The BLTouch probe emulates a servo probe.
+//#define BLTOUCH
+
 // Z Servo Probe, such as an endstop switch on a rotating arm.
 //#define Z_ENDSTOP_SERVO_NR 0
 //#define Z_SERVO_ANGLES {70,0} // Z Servo Deploy and Stow angles

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

 // its trigger-point if hardware endstops are active.
 //#define FIX_MOUNTED_PROBE
 
+// The BLTouch probe emulates a servo probe.
+//#define BLTOUCH
+
 // Z Servo Probe, such as an endstop switch on a rotating arm.
 //#define Z_ENDSTOP_SERVO_NR 0
 //#define Z_SERVO_ANGLES {70,0} // Z Servo Deploy and Stow angles

Marlin/example_configurations/delta/generic/Configuration.h

 // its trigger-point if hardware endstops are active.
 //#define FIX_MOUNTED_PROBE
 
+// The BLTouch probe emulates a servo probe.
+//#define BLTOUCH
+
 // Z Servo Probe, such as an endstop switch on a rotating arm.
 //#define Z_ENDSTOP_SERVO_NR 0
 //#define Z_SERVO_ANGLES {70,0} // Z Servo Deploy and Stow angles

Marlin/example_configurations/delta/kossel_mini/Configuration.h

 // its trigger-point if hardware endstops are active.
 //#define FIX_MOUNTED_PROBE
 
+// The BLTouch probe emulates a servo probe.
+//#define BLTOUCH
+
 // Z Servo Probe, such as an endstop switch on a rotating arm.
 //#define Z_ENDSTOP_SERVO_NR 0
 //#define Z_SERVO_ANGLES {70,0} // Z Servo Deploy and Stow angles

Marlin/example_configurations/delta/kossel_pro/Configuration.h

 // its trigger-point if hardware endstops are active.
 //#define FIX_MOUNTED_PROBE
 
+// The BLTouch probe emulates a servo probe.
+//#define BLTOUCH
+
 // Z Servo Probe, such as an endstop switch on a rotating arm.
 //#define Z_ENDSTOP_SERVO_NR 0
 //#define Z_SERVO_ANGLES {70,0} // Z Servo Deploy and Stow angles

Marlin/example_configurations/delta/kossel_xl/Configuration.h

 // its trigger-point if hardware endstops are active.
 #define FIX_MOUNTED_PROBE
 
+// The BLTouch probe emulates a servo probe.
+//#define BLTOUCH
+
 // Z Servo Probe, such as an endstop switch on a rotating arm.
 //#define Z_ENDSTOP_SERVO_NR 0
 //#define Z_SERVO_ANGLES {70,0} // Z Servo Deploy and Stow angles

Marlin/example_configurations/makibox/Configuration.h

 // its trigger-point if hardware endstops are active.
 //#define FIX_MOUNTED_PROBE
 
+// The BLTouch probe emulates a servo probe.
+//#define BLTOUCH
+
 // Z Servo Probe, such as an endstop switch on a rotating arm.
 //#define Z_ENDSTOP_SERVO_NR 0
 //#define Z_SERVO_ANGLES {70,0} // Z Servo Deploy and Stow angles

Marlin/example_configurations/tvrrug/Round2/Configuration.h

 // its trigger-point if hardware endstops are active.
 //#define FIX_MOUNTED_PROBE
 
+// The BLTouch probe emulates a servo probe.
+//#define BLTOUCH
+
 // Z Servo Probe, such as an endstop switch on a rotating arm.
 //#define Z_ENDSTOP_SERVO_NR 0
 //#define Z_SERVO_ANGLES {70,0} // Z Servo Deploy and Stow angles

Marlin/stepper.cpp

   if (current_block) {
 
     // Update endstops state, if enabled
-    #if HAS_BED_PROBE
-      if (endstops.enabled || endstops.z_probe_enabled) endstops.update();
-    #else
-      if (endstops.enabled) endstops.update();
-    #endif
+    if (endstops.enabled
+      #if HAS_BED_PROBE
+        || endstops.z_probe_enabled
+      #endif
+    ) endstops.update();
 
     // Take multiple steps per interrupt (For high speed moves)
     for (int8_t i = 0; i < step_loops; i++) {