Add EXTERNAL_CLOSED_LOOP_CONTROLLER to examples

Marlin/src/config/examples/AlephObjects/TAZ4/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Anet/A2/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Anet/A2plus/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Anet/A6/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Anet/A8/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Azteeg/X5GT/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/BIBO/TouchX/cyclops/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/BIBO/TouchX/default/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/BQ/Hephestos/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/BQ/Hephestos_2/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/BQ/WITBOX/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Cartesio/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Creality/CR-10/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Creality/CR-10S/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Creality/CR-10mini/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Creality/CR-8/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Creality/Ender-2/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Creality/Ender-3/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Creality/Ender-4/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Einstart-S/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Felix/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/FolgerTech/i3-2020/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Formbot/T-Rex_2+/Configuration_adv.h

@@ -291,6 +291,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Formbot/T_Rex_3/Configuration_adv.h

@@ -291,6 +291,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Geeetech/Prusa i3 Pro C/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Geeetech/Prusa i3 Pro W/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Infitary/i3-M508/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/JGAurora/A5/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/MakerParts/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Malyan/M150/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Malyan/M200/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 #define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Micromake/C1/enhanced/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Mks/Sbase/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/RigidBot/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/SCARA/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Sanguinololu/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/TheBorg/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/TinyBoy2/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Tronxy/X3A/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/UltiMachine/Archim2/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Velleman/K8200/Configuration_adv.h

@@ -300,6 +300,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Velleman/K8400/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/Wanhao/Duplicator 6/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

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

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

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

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

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

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

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

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

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

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

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

@@ -292,6 +292,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

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

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/gCreate/gMax1.5+/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/makibox/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/tvrrug/Round2/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *

Marlin/src/config/examples/wt150/Configuration_adv.h

@@ -287,6 +287,13 @@
 
 //#define Z_LATE_ENABLE // Enable Z the last moment. Needed if your Z driver overheats.
 
+// Employ an external closed loop controller. Override pins here if needed.
+//#define EXTERNAL_CLOSED_LOOP_CONTROLLER
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+  //#define CLOSED_LOOP_ENABLE_PIN        -1
+  //#define CLOSED_LOOP_MOVE_COMPLETE_PIN -1
+#endif
+
 /**
  * Dual Steppers / Dual Endstops
  *