Simplify configuration of Z2 endstops

Marlin/Conditionals.h

@@ -504,6 +504,47 @@
   #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_adv.h

@@ -201,9 +201,7 @@
   //#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

@@ -469,6 +469,8 @@
   #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 - set USE_*_ENDSTOP flags 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_adv.h

@@ -201,9 +201,7 @@
   //#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_adv.h

@@ -201,9 +201,7 @@
   //#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

@@ -201,9 +201,7 @@
   //#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_adv.h

@@ -207,9 +207,7 @@
   //#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/RigidBot/Configuration_adv.h

@@ -201,9 +201,7 @@
   //#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_adv.h

@@ -201,9 +201,7 @@
   //#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_adv.h

@@ -209,9 +209,7 @@
   //#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_adv.h

@@ -201,9 +201,7 @@
   //#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/biv2.5/Configuration_adv.h

@@ -201,9 +201,7 @@
   //#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_adv.h

@@ -201,9 +201,7 @@
   //#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_adv.h

@@ -201,9 +201,7 @@
   //#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_adv.h

@@ -206,9 +206,7 @@
   //#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

@@ -201,9 +201,7 @@
   //#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_adv.h

@@ -201,9 +201,7 @@
   //#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_adv.h

@@ -201,9 +201,7 @@
   //#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