Merge pull request #4562 from thinkyhead/rc_fix_z_dual_endstops

Fix Z_DUAL_ENDSTOPS with Z MIN Homing

Marlin/Conditionals_post.h

@@ -34,33 +34,6 @@
     #define EMERGENCY_PARSER_CAPABILITIES ""
   #endif
 
-  /**
-   * Set ENDSTOPPULLUPS for unused endstop switches
-   */
-  #if ENABLED(ENDSTOPPULLUPS)
-    #if ENABLED(USE_XMAX_PLUG)
-      #define ENDSTOPPULLUP_XMAX
-    #endif
-    #if ENABLED(USE_YMAX_PLUG)
-      #define ENDSTOPPULLUP_YMAX
-    #endif
-    #if ENABLED(USE_ZMAX_PLUG)
-      #define ENDSTOPPULLUP_ZMAX
-    #endif
-    #if ENABLED(USE_XMIN_PLUG)
-      #define ENDSTOPPULLUP_XMIN
-    #endif
-    #if ENABLED(USE_YMIN_PLUG)
-      #define ENDSTOPPULLUP_YMIN
-    #endif
-    #if ENABLED(USE_ZMIN_PLUG)
-      #define ENDSTOPPULLUP_ZMIN
-    #endif
-    #if DISABLED(DISABLE_Z_MIN_PROBE_ENDSTOP)
-      #define ENDSTOPPULLUP_ZMIN_PROBE
-    #endif
-  #endif
-
   /**
    * Axis lengths
    */
@@ -362,33 +335,91 @@
     #define _XMAX_ 101
     #define _YMAX_ 201
     #define _ZMAX_ 301
+    #if Z2_USE_ENDSTOP == _XMAX_
+      #define USE_XMAX_PLUG
+    #elif Z2_USE_ENDSTOP == _YMAX_
+      #define USE_YMAX_PLUG
+    #elif Z2_USE_ENDSTOP == _ZMAX_
+      #define USE_ZMAX_PLUG
+    #elif Z2_USE_ENDSTOP == _XMIN_
+      #define USE_XMIN_PLUG
+    #elif Z2_USE_ENDSTOP == _YMIN_
+      #define USE_YMIN_PLUG
+    #elif Z2_USE_ENDSTOP == _ZMIN_
+      #define USE_ZMIN_PLUG
+    #endif
+    #if Z_HOME_DIR > 0
       #if Z2_USE_ENDSTOP == _XMAX_
         #define Z2_MAX_ENDSTOP_INVERTING X_MAX_ENDSTOP_INVERTING
         #define Z2_MAX_PIN X_MAX_PIN
-      #undef USE_XMAX_PLUG
       #elif Z2_USE_ENDSTOP == _YMAX_
         #define Z2_MAX_ENDSTOP_INVERTING Y_MAX_ENDSTOP_INVERTING
         #define Z2_MAX_PIN Y_MAX_PIN
-      #undef USE_YMAX_PLUG
       #elif Z2_USE_ENDSTOP == _ZMAX_
         #define Z2_MAX_ENDSTOP_INVERTING Z_MAX_ENDSTOP_INVERTING
         #define Z2_MAX_PIN Z_MAX_PIN
-      #undef USE_ZMAX_PLUG
       #elif Z2_USE_ENDSTOP == _XMIN_
         #define Z2_MAX_ENDSTOP_INVERTING X_MIN_ENDSTOP_INVERTING
         #define Z2_MAX_PIN X_MIN_PIN
-      #undef USE_XMIN_PLUG
       #elif Z2_USE_ENDSTOP == _YMIN_
         #define Z2_MAX_ENDSTOP_INVERTING Y_MIN_ENDSTOP_INVERTING
         #define Z2_MAX_PIN Y_MIN_PIN
-      #undef USE_YMIN_PLUG
       #elif Z2_USE_ENDSTOP == _ZMIN_
         #define Z2_MAX_ENDSTOP_INVERTING Z_MIN_ENDSTOP_INVERTING
         #define Z2_MAX_PIN Z_MIN_PIN
-      #undef USE_ZMIN_PLUG
       #else
         #define Z2_MAX_ENDSTOP_INVERTING false
       #endif
+    #else
+      #if Z2_USE_ENDSTOP == _XMAX_
+        #define Z2_MIN_ENDSTOP_INVERTING X_MAX_ENDSTOP_INVERTING
+        #define Z2_MIN_PIN X_MAX_PIN
+      #elif Z2_USE_ENDSTOP == _YMAX_
+        #define Z2_MIN_ENDSTOP_INVERTING Y_MAX_ENDSTOP_INVERTING
+        #define Z2_MIN_PIN Y_MAX_PIN
+      #elif Z2_USE_ENDSTOP == _ZMAX_
+        #define Z2_MIN_ENDSTOP_INVERTING Z_MAX_ENDSTOP_INVERTING
+        #define Z2_MIN_PIN Z_MAX_PIN
+      #elif Z2_USE_ENDSTOP == _XMIN_
+        #define Z2_MIN_ENDSTOP_INVERTING X_MIN_ENDSTOP_INVERTING
+        #define Z2_MIN_PIN X_MIN_PIN
+      #elif Z2_USE_ENDSTOP == _YMIN_
+        #define Z2_MIN_ENDSTOP_INVERTING Y_MIN_ENDSTOP_INVERTING
+        #define Z2_MIN_PIN Y_MIN_PIN
+      #elif Z2_USE_ENDSTOP == _ZMIN_
+        #define Z2_MIN_ENDSTOP_INVERTING Z_MIN_ENDSTOP_INVERTING
+        #define Z2_MIN_PIN Z_MIN_PIN
+      #else
+        #define Z2_MIN_ENDSTOP_INVERTING false
+      #endif
+    #endif
+  #endif
+
+  /**
+   * Set ENDSTOPPULLUPS for active endstop switches
+   */
+  #if ENABLED(ENDSTOPPULLUPS)
+    #if ENABLED(USE_XMAX_PLUG)
+      #define ENDSTOPPULLUP_XMAX
+    #endif
+    #if ENABLED(USE_YMAX_PLUG)
+      #define ENDSTOPPULLUP_YMAX
+    #endif
+    #if ENABLED(USE_ZMAX_PLUG)
+      #define ENDSTOPPULLUP_ZMAX
+    #endif
+    #if ENABLED(USE_XMIN_PLUG)
+      #define ENDSTOPPULLUP_XMIN
+    #endif
+    #if ENABLED(USE_YMIN_PLUG)
+      #define ENDSTOPPULLUP_YMIN
+    #endif
+    #if ENABLED(USE_ZMIN_PLUG)
+      #define ENDSTOPPULLUP_ZMIN
+    #endif
+    #if DISABLED(DISABLE_Z_MIN_PROBE_ENDSTOP)
+      #define ENDSTOPPULLUP_ZMIN_PROBE
+    #endif
   #endif
 
   /**

Marlin/Marlin_main.cpp

@@ -402,7 +402,7 @@ static uint8_t target_extruder;
   #define XY_PROBE_FEEDRATE_MM_S PLANNER_XY_FEEDRATE()
 #endif
 
-#if ENABLED(Z_DUAL_ENDSTOPS) && DISABLED(DELTA)
+#if ENABLED(Z_DUAL_ENDSTOPS)
   float z_endstop_adj = 0;
 #endif
 

Marlin/SanityCheck.h

@@ -728,13 +728,17 @@
  * 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"
+ #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"
+ #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"
+ #error "You must enable USE_ZMIN_PLUG or USE_ZMAX_PLUG."
+#elif ENABLED(Z_DUAL_ENDSTOPS)
+  #if !Z2_USE_ENDSTOP
+    #error "You must set Z2_USE_ENDSTOP with Z_DUAL_ENDSTOPS."
+  #elif ENABLED(DELTA)
+    #error "Z_DUAL_ENDSTOPS is not compatible with DELTA."
+  #endif
 #endif
 
 /**