Merge pull request #3065 from thinkyhead/rc_doc_tweaks

Simplified endstop configuration

Marlin/Conditionals.h

   #include "Arduino.h"
 
   /**
-   * ENDSTOPPULLUPS
+   * Set ENDSTOPPULLUPS for unused endstop switches
    */
   #if ENABLED(ENDSTOPPULLUPS)
-    #if DISABLED(DISABLE_MAX_ENDSTOPS)
+    #if DISABLED(USE_XMAX_PLUG)
       #define ENDSTOPPULLUP_XMAX
+    #endif
+    #if DISABLED(USE_YMAX_PLUG)
       #define ENDSTOPPULLUP_YMAX
+    #endif
+    #if DISABLED(USE_ZMAX_PLUG)
       #define ENDSTOPPULLUP_ZMAX
     #endif
-    #if DISABLED(DISABLE_MIN_ENDSTOPS)
+    #if DISABLED(USE_XMIN_PLUG)
       #define ENDSTOPPULLUP_XMIN
+    #endif
+    #if DISABLED(USE_YMIN_PLUG)
       #define ENDSTOPPULLUP_YMIN
+    #endif
+    #if DISABLED(USE_ZMIN_PLUG)
       #define ENDSTOPPULLUP_ZMIN
     #endif
     #if DISABLED(DISABLE_Z_MIN_PROBE_ENDSTOP)
   #define ARRAY_BY_EXTRUDERS1(v1) ARRAY_BY_EXTRUDERS(v1, v1, v1, v1)
 
   /**
+   * Z_DUAL_ENDSTOPS endstop reassignment
+   */
+  #if ENABLED(Z_DUAL_ENDSTOPS)
+    #define _XMIN_ 100
+    #define _YMIN_ 200
+    #define _ZMIN_ 300
+    #define _XMAX_ 101
+    #define _YMAX_ 201
+    #define _ZMAX_ 301
+    const bool Z2_MAX_ENDSTOP_INVERTING =
+      #if Z2_USE_ENDSTOP == _XMAX_
+        X_MAX_ENDSTOP_INVERTING
+        #define Z2_MAX_PIN X_MAX_PIN
+        #undef USE_XMAX_PLUG
+      #elif Z2_USE_ENDSTOP == _YMAX_
+        Y_MAX_ENDSTOP_INVERTING
+        #define Z2_MAX_PIN Y_MAX_PIN
+        #undef USE_YMAX_PLUG
+      #elif Z2_USE_ENDSTOP == _ZMAX_
+        Z_MAX_ENDSTOP_INVERTING
+        #define Z2_MAX_PIN Z_MAX_PIN
+        #undef USE_ZMAX_PLUG
+      #elif Z2_USE_ENDSTOP == _XMIN_
+        X_MIN_ENDSTOP_INVERTING
+        #define Z2_MAX_PIN X_MIN_PIN
+        #undef USE_XMIN_PLUG
+      #elif Z2_USE_ENDSTOP == _YMIN_
+        Y_MIN_ENDSTOP_INVERTING
+        #define Z2_MAX_PIN Y_MIN_PIN
+        #undef USE_YMIN_PLUG
+      #elif Z2_USE_ENDSTOP == _ZMIN_
+        Z_MIN_ENDSTOP_INVERTING
+        #define Z2_MAX_PIN Z_MIN_PIN
+        #undef USE_ZMIN_PLUG
+      #else
+        0
+      #endif
+    ;
+  #endif
+
+  /**
    * Shorthand for pin tests, used wherever needed
    */
   #define HAS_TEMP_0 (PIN_EXISTS(TEMP_0) && TEMP_SENSOR_0 != 0 && TEMP_SENSOR_0 > -2)

Marlin/Configuration.h

 // Enable this option for Toshiba steppers
 //#define CONFIG_STEPPERS_TOSHIBA
 
+//===========================================================================
+//============================== Endstop Settings ===========================
+//===========================================================================
+
 // @section homing
 
+// Specify here all the endstop connectors that are connected to any endstop or probe.
+// Almost all printers will be using one per axis. Probes will use one or more of the
+// extra connectors. Leave undefined any used for non-endstop and non-probe purposes.
+#define USE_XMIN_PLUG
+#define USE_YMIN_PLUG
+#define USE_ZMIN_PLUG
+//#define USE_XMAX_PLUG
+//#define USE_YMAX_PLUG
+//#define USE_ZMAX_PLUG
+
 // coarse Endstop Settings
 #define ENDSTOPPULLUPS // Comment this out (using // at the start of the line) to disable the endstop pullup resistors
 
 const bool Y_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic of the endstop.
 const bool Z_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic of the endstop.
 const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the logic of the endstop.
-//#define DISABLE_MAX_ENDSTOPS
-//#define DISABLE_MIN_ENDSTOPS
 
 //===========================================================================
 //============================= Z Probe Options =============================

Marlin/Configuration_adv.h

   //#define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
-    #define Z2_MAX_PIN 36                     //Endstop used for Z2 axis. In this case I'm using XMAX in a Rumba Board (pin 36)
-    const bool Z2_MAX_ENDSTOP_INVERTING = false;
-    #define DISABLE_XMAX_ENDSTOP              //Better to disable the XMAX to avoid conflict. Just rename "XMAX_ENDSTOP" by the endstop you are using for Z2 axis.
+    #define Z2_USE_ENDSTOP _XMAX_
   #endif
 
 #endif // Z_DUAL_STEPPER_DRIVERS

Marlin/SanityCheck.h

 #endif
 
 /**
+ * Endstops
+ */
+#if DISABLED(USE_XMIN_PLUG) && DISABLED(USE_XMAX_PLUG) && !(ENABLED(Z_DUAL_ENDSTOPS) && Z2_USE_ENDSTOP >= _XMAX_ && Z2_USE_ENDSTOP <= _XMIN_)
+ #error You must enable USE_XMIN_PLUG or USE_XMAX_PLUG
+#elif DISABLED(USE_YMIN_PLUG) && DISABLED(USE_YMAX_PLUG) && !(ENABLED(Z_DUAL_ENDSTOPS) && Z2_USE_ENDSTOP >= _YMAX_ && Z2_USE_ENDSTOP <= _YMIN_)
+ #error You must enable USE_YMIN_PLUG or USE_YMAX_PLUG
+#elif DISABLED(USE_ZMIN_PLUG) && DISABLED(USE_ZMAX_PLUG) && !(ENABLED(Z_DUAL_ENDSTOPS) && Z2_USE_ENDSTOP >= _ZMAX_ && Z2_USE_ENDSTOP <= _ZMIN_)
+ #error You must enable USE_ZMIN_PLUG or USE_ZMAX_PLUG
+#elif ENABLED(Z_DUAL_ENDSTOPS) && !Z2_USE_ENDSTOP
+ #error You must set Z2_USE_ENDSTOP with Z_DUAL_ENDSTOPS
+#endif
+
+/**
  * Warnings for old configurations
  */
 #if WATCH_TEMP_PERIOD > 500
 #elif defined(CUSTOM_MENDEL_NAME)
   #error CUSTOM_MENDEL_NAME is now CUSTOM_MACHINE_NAME. Please update your configuration.
 #elif defined(HAS_AUTOMATIC_VERSIONING)
-  #error HAS_AUTOMATIC_VERSIONING deprecated - use USE_AUTOMATIC_VERSIONING instead
+  #error HAS_AUTOMATIC_VERSIONING is now USE_AUTOMATIC_VERSIONING. Please update your configuration.
 #elif defined(ENABLE_AUTO_BED_LEVELING)
-  #error ENABLE_AUTO_BED_LEVELING deprecated - use AUTO_BED_LEVELING_FEATURE instead
+  #error ENABLE_AUTO_BED_LEVELING is now AUTO_BED_LEVELING_FEATURE. Please update your configuration.
 #elif defined(SDSLOW)
-  #error SDSLOW deprecated - set SPI_SPEED to SPI_HALF_SPEED instead
+  #error SDSLOW deprecated. Set SPI_SPEED to SPI_HALF_SPEED instead.
 #elif defined(SDEXTRASLOW)
-  #error SDEXTRASLOW deprecated - set SPI_SPEED to SPI_QUARTER_SPEED instead
+  #error SDEXTRASLOW deprecated. Set SPI_SPEED to SPI_QUARTER_SPEED instead.
 #elif defined(Z_RAISE_BEFORE_HOMING)
   #error Z_RAISE_BEFORE_HOMING is deprecated. Use MIN_Z_HEIGHT_FOR_HOMING instead.
 #elif defined(FILAMENT_SENSOR)
   #error FILAMENT_SENSOR is deprecated. Use FILAMENT_WIDTH_SENSOR instead.
+#elif defined(DISABLE_MAX_ENDSTOPS) || defined(DISABLE_MIN_ENDSTOPS)
+  #error DISABLE_MAX_ENDSTOPS and DISABLE_MIN_ENDSTOPS deprecated. Use individual USE_*_PLUG options instead.
+#elif ENABLED(Z_DUAL_ENDSTOPS) && !defined(Z2_USE_ENDSTOP)
+  #error Z_DUAL_ENDSTOPS settings are simplified. Just set Z2_USE_ENDSTOP to the endstop you want to repurpose for Z2
 #endif
 
 #endif //SANITYCHECK_H

Marlin/example_configurations/Felix/Configuration.h

 // Enable this option for Toshiba steppers
 //#define CONFIG_STEPPERS_TOSHIBA
 
+//===========================================================================
+//============================== Endstop Settings ===========================
+//===========================================================================
+
 // @section homing
 
+// Specify here all the endstop connectors that are connected to any endstop or probe.
+// Almost all printers will be using one per axis. Probes will use one or more of the
+// extra connectors. Leave undefined any used for non-endstop and non-probe purposes.
+#define USE_XMIN_PLUG
+#define USE_YMIN_PLUG
+#define USE_ZMIN_PLUG
+//#define USE_XMAX_PLUG
+//#define USE_YMAX_PLUG
+//#define USE_ZMAX_PLUG
+
 // coarse Endstop Settings
 #define ENDSTOPPULLUPS // Comment this out (using // at the start of the line) to disable the endstop pullup resistors
 
 const bool Y_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
 const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
 const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the logic of the endstop.
-#define DISABLE_MAX_ENDSTOPS
-//#define DISABLE_MIN_ENDSTOPS
 
 //===========================================================================
 //============================= Z Probe Options =============================

Marlin/example_configurations/Felix/Configuration_DUAL.h

 // Enable this option for Toshiba steppers
 //#define CONFIG_STEPPERS_TOSHIBA
 
+//===========================================================================
+//============================== Endstop Settings ===========================
+//===========================================================================
+
 // @section homing
 
+// Specify here all the endstop connectors that are connected to any endstop or probe.
+// Almost all printers will be using one per axis. Probes will use one or more of the
+// extra connectors. Leave undefined any used for non-endstop and non-probe purposes.
+#define USE_XMIN_PLUG
+#define USE_YMIN_PLUG
+#define USE_ZMIN_PLUG
+//#define USE_XMAX_PLUG
+//#define USE_YMAX_PLUG
+//#define USE_ZMAX_PLUG
+
 // coarse Endstop Settings
 #define ENDSTOPPULLUPS // Comment this out (using // at the start of the line) to disable the endstop pullup resistors
 
 const bool Y_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
 const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
 const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the logic of the endstop.
-#define DISABLE_MAX_ENDSTOPS
-//#define DISABLE_MIN_ENDSTOPS
 
 //===========================================================================
 //============================= Z Probe Options =============================

Marlin/example_configurations/Felix/Configuration_adv.h

   //#define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
-    #define Z2_MAX_PIN 36                     //Endstop used for Z2 axis. In this case I'm using XMAX in a Rumba Board (pin 36)
-    const bool Z2_MAX_ENDSTOP_INVERTING = false;
-    #define DISABLE_XMAX_ENDSTOP              //Better to disable the XMAX to avoid conflict. Just rename "XMAX_ENDSTOP" by the endstop you are using for Z2 axis.
+    #define Z2_USE_ENDSTOP _XMAX_
   #endif
 
 #endif // Z_DUAL_STEPPER_DRIVERS

Marlin/example_configurations/Hephestos/Configuration.h

 // Enable this option for Toshiba steppers
 //#define CONFIG_STEPPERS_TOSHIBA
 
+//===========================================================================
+//============================== Endstop Settings ===========================
+//===========================================================================
+
 // @section homing
 
+// Specify here all the endstop connectors that are connected to any endstop or probe.
+// Almost all printers will be using one per axis. Probes will use one or more of the
+// extra connectors. Leave undefined any used for non-endstop and non-probe purposes.
+#define USE_XMIN_PLUG
+#define USE_YMIN_PLUG
+#define USE_ZMIN_PLUG
+//#define USE_XMAX_PLUG
+//#define USE_YMAX_PLUG
+//#define USE_ZMAX_PLUG
+
 // coarse Endstop Settings
 #define ENDSTOPPULLUPS // Comment this out (using // at the start of the line) to disable the endstop pullup resistors
 
 const bool Y_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
 const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
 const bool Z_MIN_PROBE_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
-#define DISABLE_MAX_ENDSTOPS
-//#define DISABLE_MIN_ENDSTOPS
 
 //===========================================================================
 //============================= Z Probe Options =============================

Marlin/example_configurations/Hephestos/Configuration_adv.h

   //#define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
-    #define Z2_MAX_PIN 36                     //Endstop used for Z2 axis. In this case I'm using XMAX in a Rumba Board (pin 36)
-    const bool Z2_MAX_ENDSTOP_INVERTING = false;
-    #define DISABLE_XMAX_ENDSTOP              //Better to disable the XMAX to avoid conflict. Just rename "XMAX_ENDSTOP" by the endstop you are using for Z2 axis.
+    #define Z2_USE_ENDSTOP _XMAX_
   #endif
 
 #endif // Z_DUAL_STEPPER_DRIVERS

Marlin/example_configurations/Hephestos_2/Configuration_adv.h

   //#define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
-    #define Z2_MAX_PIN 36                     //Endstop used for Z2 axis. In this case I'm using XMAX in a Rumba Board (pin 36)
-    const bool Z2_MAX_ENDSTOP_INVERTING = false;
-    #define DISABLE_XMAX_ENDSTOP              //Better to disable the XMAX to avoid conflict. Just rename "XMAX_ENDSTOP" by the endstop you are using for Z2 axis.
+    #define Z2_USE_ENDSTOP _XMAX_
   #endif
 
 #endif // Z_DUAL_STEPPER_DRIVERS

Marlin/example_configurations/K8200/Configuration.h

 // Enable this option for Toshiba steppers
 //#define CONFIG_STEPPERS_TOSHIBA
 
+//===========================================================================
+//============================== Endstop Settings ===========================
+//===========================================================================
+
 // @section homing
 
+// Specify here all the endstop connectors that are connected to any endstop or probe.
+// Almost all printers will be using one per axis. Probes will use one or more of the
+// extra connectors. Leave undefined any used for non-endstop and non-probe purposes.
+#define USE_XMIN_PLUG
+#define USE_YMIN_PLUG
+#define USE_ZMIN_PLUG
+//#define USE_XMAX_PLUG
+//#define USE_YMAX_PLUG
+//#define USE_ZMAX_PLUG
+
 // coarse Endstop Settings
 #define ENDSTOPPULLUPS // Comment this out (using // at the start of the line) to disable the endstop pullup resistors
 
 const bool Y_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
 const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
 const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the logic of the endstop.
-#define DISABLE_MAX_ENDSTOPS
-//#define DISABLE_MIN_ENDSTOPS
 
 //===========================================================================
 //============================= Z Probe Options =============================

Marlin/example_configurations/K8200/Configuration_adv.h

   //#define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
-    #define Z2_MAX_PIN 36                     //Endstop used for Z2 axis. In this case I'm using XMAX in a Rumba Board (pin 36)
-    const bool Z2_MAX_ENDSTOP_INVERTING = false;
-    #define DISABLE_XMAX_ENDSTOP              //Better to disable the XMAX to avoid conflict. Just rename "XMAX_ENDSTOP" by the endstop you are using for Z2 axis.
+    #define Z2_USE_ENDSTOP _XMAX_
   #endif
 
 #endif // Z_DUAL_STEPPER_DRIVERS

Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h

 // Enable this option for Toshiba steppers
 //#define CONFIG_STEPPERS_TOSHIBA
 
+//===========================================================================
+//============================== Endstop Settings ===========================
+//===========================================================================
+
 // @section homing
 
+// Specify here all the endstop connectors that are connected to any endstop or probe.
+// Almost all printers will be using one per axis. Probes will use one or more of the
+// extra connectors. Leave undefined any used for non-endstop and non-probe purposes.
+#define USE_XMIN_PLUG
+#define USE_YMIN_PLUG
+#define USE_ZMIN_PLUG
+//#define USE_XMAX_PLUG
+//#define USE_YMAX_PLUG
+//#define USE_ZMAX_PLUG
+
 // coarse Endstop Settings
 #define ENDSTOPPULLUPS // Comment this out (using // at the start of the line) to disable the endstop pullup resistors
 
 const bool Y_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
 const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
 const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the logic of the endstop.
-//#define DISABLE_MAX_ENDSTOPS
-//#define DISABLE_MIN_ENDSTOPS
 
 //===========================================================================
 //============================= Z Probe Options =============================

Marlin/example_configurations/RigidBot/Configuration.h

 // Enable this option for Toshiba steppers
 //#define CONFIG_STEPPERS_TOSHIBA
 
+//===========================================================================
+//============================== Endstop Settings ===========================
+//===========================================================================
+
 // @section homing
 
+// Specify here all the endstop connectors that are connected to any endstop or probe.
+// Almost all printers will be using one per axis. Probes will use one or more of the
+// extra connectors. Leave undefined any used for non-endstop and non-probe purposes.
+#define USE_XMIN_PLUG
+#define USE_YMIN_PLUG
+#define USE_ZMIN_PLUG
+//#define USE_XMAX_PLUG
+//#define USE_YMAX_PLUG
+//#define USE_ZMAX_PLUG
+
 // coarse Endstop Settings
 #define ENDSTOPPULLUPS // Comment this out (using // at the start of the line) to disable the endstop pullup resistors
 
 const bool Y_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
 const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
 const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the logic of the endstop.
-//#define DISABLE_MAX_ENDSTOPS
-//#define DISABLE_MIN_ENDSTOPS
 
 //===========================================================================
 //============================= Z Probe Options =============================

Marlin/example_configurations/RigidBot/Configuration_adv.h

   //#define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
-    #define Z2_MAX_PIN 36                     //Endstop used for Z2 axis. In this case I'm using XMAX in a Rumba Board (pin 36)
-    const bool Z2_MAX_ENDSTOP_INVERTING = false;
-    #define DISABLE_XMAX_ENDSTOP              //Better to disable the XMAX to avoid conflict. Just rename "XMAX_ENDSTOP" by the endstop you are using for Z2 axis.
+    #define Z2_USE_ENDSTOP _XMAX_
   #endif
 
 #endif // Z_DUAL_STEPPER_DRIVERS

Marlin/example_configurations/SCARA/Configuration.h

 // Enable this option for Toshiba steppers
 //#define CONFIG_STEPPERS_TOSHIBA
 
+//===========================================================================
+//============================== Endstop Settings ===========================
+//===========================================================================
+
 // @section homing
 
+// Specify here all the endstop connectors that are connected to any endstop or probe.
+// Almost all printers will be using one per axis. Probes will use one or more of the
+// extra connectors. Leave undefined any used for non-endstop and non-probe purposes.
+#define USE_XMIN_PLUG
+#define USE_YMIN_PLUG
+//#define USE_ZMIN_PLUG
+//#define USE_XMAX_PLUG
+//#define USE_YMAX_PLUG
+#define USE_ZMAX_PLUG
+
 // coarse Endstop Settings
 //#define ENDSTOPPULLUPS // Comment this out (using // at the start of the line) to disable the endstop pullup resistors
 
 const bool Y_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
 const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
 const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the logic of the endstop.
-//#define DISABLE_MAX_ENDSTOPS
-//#define DISABLE_MIN_ENDSTOPS
 
 //===========================================================================
 //============================= Z Probe Options =============================

Marlin/example_configurations/SCARA/Configuration_adv.h

   //#define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
-    #define Z2_MAX_PIN 36                     //Endstop used for Z2 axis. In this case I'm using XMAX in a Rumba Board (pin 36)
-    const bool Z2_MAX_ENDSTOP_INVERTING = false;
-    #define DISABLE_XMAX_ENDSTOP              //Better to disable the XMAX to avoid conflict. Just rename "XMAX_ENDSTOP" by the endstop you are using for Z2 axis.
+    #define Z2_USE_ENDSTOP _XMAX_
   #endif
 
 #endif // Z_DUAL_STEPPER_DRIVERS

Marlin/example_configurations/TAZ4/Configuration.h

 // Enable this option for Toshiba steppers
 //#define CONFIG_STEPPERS_TOSHIBA
 
+//===========================================================================
+//============================== Endstop Settings ===========================
+//===========================================================================
+
 // @section homing
 
+// Specify here all the endstop connectors that are connected to any endstop or probe.
+// Almost all printers will be using one per axis. Probes will use one or more of the
+// extra connectors. Leave undefined any used for non-endstop and non-probe purposes.
+#define USE_XMIN_PLUG
+#define USE_YMIN_PLUG
+#define USE_ZMIN_PLUG
+//#define USE_XMAX_PLUG
+//#define USE_YMAX_PLUG
+//#define USE_ZMAX_PLUG
+
 // coarse Endstop Settings
 #define ENDSTOPPULLUPS // Comment this out (using // at the start of the line) to disable the endstop pullup resistors
 
 const bool Y_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
 const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
 const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the logic of the endstop.
-#define DISABLE_MAX_ENDSTOPS
-//#define DISABLE_MIN_ENDSTOPS
 
 //===========================================================================
 //============================= Z Probe Options =============================

Marlin/example_configurations/TAZ4/Configuration_adv.h

   //#define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
-    #define Z2_MAX_PIN 36                     //Endstop used for Z2 axis. In this case I'm using XMAX in a Rumba Board (pin 36)
-    const bool Z2_MAX_ENDSTOP_INVERTING = false;
-    #define DISABLE_XMAX_ENDSTOP              //Better to disable the XMAX to avoid conflict. Just rename "XMAX_ENDSTOP" by the endstop you are using for Z2 axis.
+    #define Z2_USE_ENDSTOP _XMAX_
   #endif
 
 #endif // Z_DUAL_STEPPER_DRIVERS

Marlin/example_configurations/WITBOX/Configuration.h

 // Enable this option for Toshiba steppers
 //#define CONFIG_STEPPERS_TOSHIBA
 
+//===========================================================================
+//============================== Endstop Settings ===========================
+//===========================================================================
+
 // @section homing
 
+// Specify here all the endstop connectors that are connected to any endstop or probe.
+// Almost all printers will be using one per axis. Probes will use one or more of the
+// extra connectors. Leave undefined any used for non-endstop and non-probe purposes.
+#define USE_XMIN_PLUG
+#define USE_YMIN_PLUG
+#define USE_ZMIN_PLUG
+//#define USE_XMAX_PLUG
+//#define USE_YMAX_PLUG
+//#define USE_ZMAX_PLUG
+
 // coarse Endstop Settings
 #define ENDSTOPPULLUPS // Comment this out (using // at the start of the line) to disable the endstop pullup resistors
 
 const bool Y_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
 const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
 const bool Z_MIN_PROBE_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
-//#define DISABLE_MAX_ENDSTOPS
-//#define DISABLE_MIN_ENDSTOPS
 
 //===========================================================================
 //============================= Z Probe Options =============================

Marlin/example_configurations/WITBOX/Configuration_adv.h

   //#define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
-    #define Z2_MAX_PIN 36                     //Endstop used for Z2 axis. In this case I'm using XMAX in a Rumba Board (pin 36)
-    const bool Z2_MAX_ENDSTOP_INVERTING = false;
-    #define DISABLE_XMAX_ENDSTOP              //Better to disable the XMAX to avoid conflict. Just rename "XMAX_ENDSTOP" by the endstop you are using for Z2 axis.
+    #define Z2_USE_ENDSTOP _XMAX_
   #endif
 
 #endif // Z_DUAL_STEPPER_DRIVERS

Marlin/example_configurations/adafruit/ST7565/Configuration.h

 // Enable this option for Toshiba steppers
 //#define CONFIG_STEPPERS_TOSHIBA
 
+//===========================================================================
+//============================== Endstop Settings ===========================
+//===========================================================================
+
 // @section homing
 
+// Specify here all the endstop connectors that are connected to any endstop or probe.
+// Almost all printers will be using one per axis. Probes will use one or more of the
+// extra connectors. Leave undefined any used for non-endstop and non-probe purposes.
+#define USE_XMIN_PLUG
+#define USE_YMIN_PLUG
+#define USE_ZMIN_PLUG
+//#define USE_XMAX_PLUG
+//#define USE_YMAX_PLUG
+//#define USE_ZMAX_PLUG
+
 // coarse Endstop Settings
 #define ENDSTOPPULLUPS // Comment this out (using // at the start of the line) to disable the endstop pullup resistors
 
 const bool Y_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic of the endstop.
 const bool Z_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic of the endstop.
 const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the logic of the endstop.
-//#define DISABLE_MAX_ENDSTOPS
-//#define DISABLE_MIN_ENDSTOPS
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

 // Enable this option for Toshiba steppers
 //#define CONFIG_STEPPERS_TOSHIBA
 
+//===========================================================================
+//============================== Endstop Settings ===========================
+//===========================================================================
+
 // @section homing
 
+// Specify here all the endstop connectors that are connected to any endstop or probe.
+// Almost all printers will be using one per axis. Probes will use one or more of the
+// extra connectors. Leave undefined any used for non-endstop and non-probe purposes.
+//#define USE_XMIN_PLUG
+//#define USE_YMIN_PLUG
+//#define USE_ZMIN_PLUG
+#define USE_XMAX_PLUG
+#define USE_YMAX_PLUG
+#define USE_ZMAX_PLUG
+
 // coarse Endstop Settings
 #define ENDSTOPPULLUPS // Comment this out (using // at the start of the line) to disable the endstop pullup resistors
 
 const bool Y_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic of the endstop.
 const bool Z_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic of the endstop.
 const bool Z_MIN_PROBE_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
-//#define DISABLE_MAX_ENDSTOPS
-#define DISABLE_MIN_ENDSTOPS // Deltas only use min endstops for probing.
 
 //===========================================================================
 //============================= Z Probe Options =============================

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

   //#define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
-    #define Z2_MAX_PIN 36                     //Endstop used for Z2 axis. In this case I'm using XMAX in a Rumba Board (pin 36)
-    const bool Z2_MAX_ENDSTOP_INVERTING = false;
-    #define DISABLE_XMAX_ENDSTOP              //Better to disable the XMAX to avoid conflict. Just rename "XMAX_ENDSTOP" by the endstop you are using for Z2 axis.
+    #define Z2_USE_ENDSTOP _XMAX_
   #endif
 
 #endif // Z_DUAL_STEPPER_DRIVERS

Marlin/example_configurations/delta/generic/Configuration.h

 // Enable this option for Toshiba steppers
 //#define CONFIG_STEPPERS_TOSHIBA
 
+//===========================================================================
+//============================== Endstop Settings ===========================
+//===========================================================================
+
 // @section homing
 
+// Specify here all the endstop connectors that are connected to any endstop or probe.
+// Almost all printers will be using one per axis. Probes will use one or more of the
+// extra connectors. Leave undefined any used for non-endstop and non-probe purposes.
+//#define USE_XMIN_PLUG
+//#define USE_YMIN_PLUG
+#define USE_ZMIN_PLUG // a Z probe
+#define USE_XMAX_PLUG
+#define USE_YMAX_PLUG
+#define USE_ZMAX_PLUG
+
 // coarse Endstop Settings
 #define ENDSTOPPULLUPS // Comment this out (using // at the start of the line) to disable the endstop pullup resistors
 
 const bool Y_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
 const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
 const bool Z_MIN_PROBE_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
-//#define DISABLE_MAX_ENDSTOPS
-#define DISABLE_MIN_ENDSTOPS // Deltas only use min endstops for probing.
 
 //===========================================================================
 //============================= Z Probe Options =============================

Marlin/example_configurations/delta/generic/Configuration_adv.h

   //#define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
-    #define Z2_MAX_PIN 36                     //Endstop used for Z2 axis. In this case I'm using XMAX in a Rumba Board (pin 36)
-    const bool Z2_MAX_ENDSTOP_INVERTING = false;
-    #define DISABLE_XMAX_ENDSTOP              //Better to disable the XMAX to avoid conflict. Just rename "XMAX_ENDSTOP" by the endstop you are using for Z2 axis.
+    #define Z2_USE_ENDSTOP _XMAX_
   #endif
 
 #endif // Z_DUAL_STEPPER_DRIVERS

Marlin/example_configurations/delta/kossel_mini/Configuration.h

 // Enable this option for Toshiba steppers
 //#define CONFIG_STEPPERS_TOSHIBA
 
+//===========================================================================
+//============================== Endstop Settings ===========================
+//===========================================================================
+
 // @section homing
 
+// Specify here all the endstop connectors that are connected to any endstop or probe.
+// Almost all printers will be using one per axis. Probes will use one or more of the
+// extra connectors. Leave undefined any used for non-endstop and non-probe purposes.
+//#define USE_XMIN_PLUG
+//#define USE_YMIN_PLUG
+//#define USE_ZMIN_PLUG
+#define USE_XMAX_PLUG
+#define USE_YMAX_PLUG
+#define USE_ZMAX_PLUG
+
 // coarse Endstop Settings
 #define ENDSTOPPULLUPS // Comment this out (using // at the start of the line) to disable the endstop pullup resistors
 
 const bool Y_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic of the endstop.
 const bool Z_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic of the endstop.
 const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the logic of the endstop.
-//#define DISABLE_MAX_ENDSTOPS
-//#define DISABLE_MIN_ENDSTOPS // Deltas only use min endstops for probing.
 
 //===========================================================================
 //============================= Z Probe Options =============================

Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h

   //#define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
-    #define Z2_MAX_PIN 36                     //Endstop used for Z2 axis. In this case I'm using XMAX in a Rumba Board (pin 36)
-    const bool Z2_MAX_ENDSTOP_INVERTING = false;
-    #define DISABLE_XMAX_ENDSTOP              //Better to disable the XMAX to avoid conflict. Just rename "XMAX_ENDSTOP" by the endstop you are using for Z2 axis.
+    #define Z2_USE_ENDSTOP _XMAX_
   #endif
 
 #endif // Z_DUAL_STEPPER_DRIVERS

Marlin/example_configurations/delta/kossel_pro/Configuration.h

 // Enable this option for Toshiba steppers
 //#define CONFIG_STEPPERS_TOSHIBA
 
+//===========================================================================
+//============================== Endstop Settings ===========================
+//===========================================================================
+
 // @section homing
 
+// Specify here all the endstop connectors that are connected to any endstop or probe.
+// Almost all printers will be using one per axis. Probes will use one or more of the
+// extra connectors. Leave undefined any used for non-endstop and non-probe purposes.
+//#define USE_XMIN_PLUG
+//#define USE_YMIN_PLUG
+#define USE_ZMIN_PLUG // a Z probe
+#define USE_XMAX_PLUG
+#define USE_YMAX_PLUG
+#define USE_ZMAX_PLUG
+
 // coarse Endstop Settings
 #define ENDSTOPPULLUPS // Comment this out (using // at the start of the line) to disable the endstop pullup resistors
 
 const bool Y_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic of the endstop.
 const bool Z_MAX_ENDSTOP_INVERTING = false; // set to true to invert the logic of the endstop.
 const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the logic of the endstop.
-//#define DISABLE_MAX_ENDSTOPS
-//#define DISABLE_MIN_ENDSTOPS // Deltas only use min endstops for probing.
 
 //===========================================================================
 //============================= Z Probe Options =============================

Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h

   //#define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
-    #define Z2_MAX_PIN 36                     //Endstop used for Z2 axis. In this case I'm using XMAX in a Rumba Board (pin 36)
-    const bool Z2_MAX_ENDSTOP_INVERTING = false;
-    #define DISABLE_XMAX_ENDSTOP              //Better to disable the XMAX to avoid conflict. Just rename "XMAX_ENDSTOP" by the endstop you are using for Z2 axis.
+    #define Z2_USE_ENDSTOP _XMAX_
   #endif
 
 #endif // Z_DUAL_STEPPER_DRIVERS

Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h

   //#define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
-    #define Z2_MAX_PIN 36                     //Endstop used for Z2 axis. In this case I'm using XMAX in a Rumba Board (pin 36)
-    const bool Z2_MAX_ENDSTOP_INVERTING = false;
-    #define DISABLE_XMAX_ENDSTOP              //Better to disable the XMAX to avoid conflict. Just rename "XMAX_ENDSTOP" by the endstop you are using for Z2 axis.
+    #define Z2_USE_ENDSTOP _XMAX_
   #endif
 
 #endif // Z_DUAL_STEPPER_DRIVERS

Marlin/example_configurations/makibox/Configuration.h

 // Enable this option for Toshiba steppers
 //#define CONFIG_STEPPERS_TOSHIBA
 
+//===========================================================================
+//============================== Endstop Settings ===========================
+//===========================================================================
+
 // @section homing
 
+// Specify here all the endstop connectors that are connected to any endstop or probe.
+// Almost all printers will be using one per axis. Probes will use one or more of the
+// extra connectors. Leave undefined any used for non-endstop and non-probe purposes.
+#define USE_XMIN_PLUG
+#define USE_YMIN_PLUG
+#define USE_ZMIN_PLUG
+//#define USE_XMAX_PLUG
+//#define USE_YMAX_PLUG
+//#define USE_ZMAX_PLUG
+
 // coarse Endstop Settings
 #define ENDSTOPPULLUPS // Comment this out (using // at the start of the line) to disable the endstop pullup resistors
 
 const bool Y_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
 const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
 const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the logic of the endstop.
-//#define DISABLE_MAX_ENDSTOPS
-//#define DISABLE_MIN_ENDSTOPS
 
 //===========================================================================
 //============================= Z Probe Options =============================

Marlin/example_configurations/makibox/Configuration_adv.h

   //#define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
-    #define Z2_MAX_PIN 36                     //Endstop used for Z2 axis. In this case I'm using XMAX in a Rumba Board (pin 36)
-    const bool Z2_MAX_ENDSTOP_INVERTING = false;
-    #define DISABLE_XMAX_ENDSTOP              //Better to disable the XMAX to avoid conflict. Just rename "XMAX_ENDSTOP" by the endstop you are using for Z2 axis.
+    #define Z2_USE_ENDSTOP _XMAX_
   #endif
 
 #endif // Z_DUAL_STEPPER_DRIVERS

Marlin/example_configurations/tvrrug/Round2/Configuration.h

 // Enable this option for Toshiba steppers
 #define CONFIG_STEPPERS_TOSHIBA
 
+//===========================================================================
+//============================== Endstop Settings ===========================
+//===========================================================================
+
 // @section homing
 
+// Specify here all the endstop connectors that are connected to any endstop or probe.
+// Almost all printers will be using one per axis. Probes will use one or more of the
+// extra connectors. Leave undefined any used for non-endstop and non-probe purposes.
+#define USE_XMIN_PLUG
+#define USE_YMIN_PLUG
+#define USE_ZMIN_PLUG
+//#define USE_XMAX_PLUG
+//#define USE_YMAX_PLUG
+//#define USE_ZMAX_PLUG
+
 // coarse Endstop Settings
 #define ENDSTOPPULLUPS // Comment this out (using // at the start of the line) to disable the endstop pullup resistors
 
 const bool Y_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
 const bool Z_MAX_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
 const bool Z_MIN_PROBE_ENDSTOP_INVERTING = true; // set to true to invert the logic of the endstop.
-//#define DISABLE_MAX_ENDSTOPS
-//#define DISABLE_MIN_ENDSTOPS
 
 //===========================================================================
 //============================= Z Probe Options =============================

Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h

   //#define Z_DUAL_ENDSTOPS
 
   #if ENABLED(Z_DUAL_ENDSTOPS)
-    #define Z2_MAX_PIN 36                     //Endstop used for Z2 axis. In this case I'm using XMAX in a Rumba Board (pin 36)
-    const bool Z2_MAX_ENDSTOP_INVERTING = false;
-    #define DISABLE_XMAX_ENDSTOP              //Better to disable the XMAX to avoid conflict. Just rename "XMAX_ENDSTOP" by the endstop you are using for Z2 axis.
+    #define Z2_USE_ENDSTOP _XMAX_
   #endif
 
 #endif // Z_DUAL_STEPPER_DRIVERS

Marlin/macros.h

 #define MACROS_H
 
 // Macros to make a string from a macro
-#define STRINGIFY_(n) #n
-#define STRINGIFY(n) STRINGIFY_(n)
+#define STRINGIFY_(M) #M
+#define STRINGIFY(M) STRINGIFY_(M)
 
 // Macros for bit masks
 #define TEST(n,b) (((n)&_BV(b))!=0)

Marlin/pins.h

   #endif
 #endif
 
-#if ENABLED(DISABLE_MAX_ENDSTOPS)
-  #undef X_MAX_PIN
-  #undef Y_MAX_PIN
-  #undef Z_MAX_PIN
-  #define X_MAX_PIN          -1
-  #define Y_MAX_PIN          -1
-  #define Z_MAX_PIN          -1
-#endif
-
-#if ENABLED(DISABLE_MIN_ENDSTOPS)
-  #undef X_MIN_PIN
-  #undef Y_MIN_PIN
-  #undef Z_MIN_PIN
-  #define X_MIN_PIN          -1
-  #define Y_MIN_PIN          -1
-  #define Z_MIN_PIN          -1
-#endif
-
 #if ENABLED(DISABLE_Z_MIN_PROBE_ENDSTOP) || DISABLED(Z_MIN_PROBE_ENDSTOP) // Allow code to compile regardless of Z_MIN_PROBE_ENDSTOP setting.
   #undef Z_MIN_PROBE_PIN
   #define Z_MIN_PROBE_PIN    -1
 #endif
 
-#if ENABLED(DISABLE_XMAX_ENDSTOP)
+#if DISABLED(USE_XMAX_PLUG)
   #undef X_MAX_PIN
   #define X_MAX_PIN          -1
 #endif
 
-#if ENABLED(DISABLE_XMIN_ENDSTOP)
-  #undef X_MIN_PIN
-  #define X_MIN_PIN          -1
-#endif
-
-#if ENABLED(DISABLE_YMAX_ENDSTOP)
+#if DISABLED(USE_YMAX_PLUG)
   #undef Y_MAX_PIN
   #define Y_MAX_PIN          -1
 #endif
 
-#if ENABLED(DISABLE_YMIN_ENDSTOP)
-  #undef Y_MIN_PIN
-  #define Y_MIN_PIN          -1
-#endif
-
-#if ENABLED(DISABLE_ZMAX_ENDSTOP)
+#if DISABLED(USE_ZMAX_PLUG)
   #undef Z_MAX_PIN
   #define Z_MAX_PIN          -1
 #endif
 
-#if ENABLED(DISABLE_ZMIN_ENDSTOP)
+#if DISABLED(USE_XMIN_PLUG)
+  #undef X_MIN_PIN
+  #define X_MIN_PIN          -1
+#endif
+
+#if DISABLED(USE_YMIN_PLUG)
+  #undef Y_MIN_PIN
+  #define Y_MIN_PIN          -1
+#endif
+
+#if DISABLED(USE_ZMIN_PLUG)
   #undef Z_MIN_PIN
   #define Z_MIN_PIN          -1
 #endif

Marlin/pins_FELIX2.h

 #undef HEATER_1_PIN
 #define HEATER_1_PIN        7 // EXTRUDER 2
 
-#define DISABLE_MAX_ENDSTOPS
-
 #undef SDPOWER
 #define SDPOWER             1