From 7815b200510d486fa6b35c51418d73f2f580fd0f Mon Sep 17 00:00:00 2001
From: ellensp <530024+ellensp@users.noreply.github.com>
Date: Tue, 13 Dec 2022 12:01:45 +1300
Subject: [PATCH] =?UTF-8?q?=F0=9F=A9=B9=20Inverted=20probe=20pin=20flag=20?=
 =?UTF-8?q?(K8400)=20(#25085)?=
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---
 Marlin/src/inc/Conditionals_LCD.h  | 14 ----------
 Marlin/src/inc/SanityCheck.h       | 44 +++++++++++++++++++++++++++---
 Marlin/src/pins/ramps/pins_K8400.h |  4 +++
 3 files changed, 44 insertions(+), 18 deletions(-)

diff --git a/Marlin/src/inc/Conditionals_LCD.h b/Marlin/src/inc/Conditionals_LCD.h
index 49a2dc5f5c..545d553494 100644
--- a/Marlin/src/inc/Conditionals_LCD.h
+++ b/Marlin/src/inc/Conditionals_LCD.h
@@ -1069,20 +1069,6 @@
   #ifndef Z_PROBE_SERVO_NR
     #define Z_PROBE_SERVO_NR 0
   #endif
-  #ifdef DEACTIVATE_SERVOS_AFTER_MOVE
-    #error "BLTOUCH requires DEACTIVATE_SERVOS_AFTER_MOVE to be to disabled. Please update your Configuration.h file."
-  #endif
-
-  // Always disable probe pin inverting for BLTouch
-  #if Z_MIN_PROBE_ENDSTOP_INVERTING
-    #error "BLTOUCH requires Z_MIN_PROBE_ENDSTOP_INVERTING set to false. Please update your Configuration.h file."
-  #endif
-
-  #if ENABLED(Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN)
-    #if Z_MIN_ENDSTOP_INVERTING
-      #error "BLTOUCH requires Z_MIN_ENDSTOP_INVERTING set to false. Please update your Configuration.h file."
-    #endif
-  #endif
 #endif
 
 /**
diff --git a/Marlin/src/inc/SanityCheck.h b/Marlin/src/inc/SanityCheck.h
index e8f390b5be..79306c77a6 100644
--- a/Marlin/src/inc/SanityCheck.h
+++ b/Marlin/src/inc/SanityCheck.h
@@ -1777,7 +1777,29 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
     #if BLTOUCH_DELAY < 200
       #error "BLTOUCH_DELAY less than 200 is unsafe and is not supported."
     #endif
-  #endif
+
+    #ifdef DEACTIVATE_SERVOS_AFTER_MOVE
+      #error "BLTOUCH requires DEACTIVATE_SERVOS_AFTER_MOVE to be to disabled. Please update your Configuration.h file."
+    #endif
+
+    #if HAS_INVERTED_PROBE
+      #if !Z_MIN_PROBE_ENDSTOP_INVERTING
+        #error "BLTOUCH requires Z_MIN_PROBE_ENDSTOP_INVERTING set to true."
+      #endif
+    #elif Z_MIN_PROBE_ENDSTOP_INVERTING
+      #error "BLTOUCH requires Z_MIN_PROBE_ENDSTOP_INVERTING set to false."
+    #endif
+    #if ENABLED(Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN)
+      #if HAS_INVERTED_PROBE
+        #if !Z_MIN_ENDSTOP_INVERTING
+          #error "BLTOUCH requires Z_MIN_ENDSTOP_INVERTING set to true."
+        #endif
+      #elif Z_MIN_ENDSTOP_INVERTING
+        #error "BLTOUCH requires Z_MIN_ENDSTOP_INVERTING set to false."
+      #endif
+    #endif
+
+  #endif // BLTOUCH
 
   #if ENABLED(RACK_AND_PINION_PROBE) && !(defined(Z_PROBE_DEPLOY_X) && defined(Z_PROBE_RETRACT_X))
     #error "RACK_AND_PINION_PROBE requires Z_PROBE_DEPLOY_X and Z_PROBE_RETRACT_X."
@@ -1795,14 +1817,28 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
       #error "TOUCH_MI_PROBE requires Z_AFTER_PROBING to be disabled."
     #elif Z_HOMING_HEIGHT < 10
       #error "TOUCH_MI_PROBE requires Z_HOMING_HEIGHT >= 10."
-    #elif Z_MIN_PROBE_ENDSTOP_INVERTING
-      #error "TOUCH_MI_PROBE requires Z_MIN_PROBE_ENDSTOP_INVERTING to be set to false."
     #elif DISABLED(BABYSTEP_ZPROBE_OFFSET)
       #error "TOUCH_MI_PROBE requires BABYSTEPPING with BABYSTEP_ZPROBE_OFFSET."
     #elif !HAS_RESUME_CONTINUE
       #error "TOUCH_MI_PROBE currently requires an LCD controller or EMERGENCY_PARSER."
     #endif
-  #endif
+    #if HAS_INVERTED_PROBE
+      #if !Z_MIN_PROBE_ENDSTOP_INVERTING
+        #error "TOUCH_MI_PROBE requires Z_MIN_PROBE_ENDSTOP_INVERTING set to true."
+      #endif
+    #elif Z_MIN_PROBE_ENDSTOP_INVERTING
+      #error "TOUCH_MI_PROBE requires Z_MIN_PROBE_ENDSTOP_INVERTING set to false."
+    #endif
+    #if ENABLED(Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN)
+      #if HAS_INVERTED_PROBE
+        #if !Z_MIN_ENDSTOP_INVERTING
+          #error "TOUCH_MI_PROBE requires Z_MIN_ENDSTOP_INVERTING set to true."
+        #endif
+      #elif Z_MIN_ENDSTOP_INVERTING
+        #error "TOUCH_MI_PROBE requires Z_MIN_ENDSTOP_INVERTING set to false."
+      #endif
+    #endif
+  #endif // TOUCH_MI_PROBE
 
   /**
    * Mag mounted probe requirements
diff --git a/Marlin/src/pins/ramps/pins_K8400.h b/Marlin/src/pins/ramps/pins_K8400.h
index 36c438aca2..686c29b7fb 100644
--- a/Marlin/src/pins/ramps/pins_K8400.h
+++ b/Marlin/src/pins/ramps/pins_K8400.h
@@ -50,6 +50,10 @@
 #define X_STOP_PIN                             3
 #define Y_STOP_PIN                            14
 
+#if EITHER(BLTOUCH, TOUCH_MI_PROBE)
+  #define HAS_INVERTED_PROBE
+#endif
+
 #include "pins_3DRAG.h" // ... RAMPS
 
 //