Fix Endstop Interrupts with SPI endstops, sanity checks (#20051)

Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>

Marlin/src/inc/SanityCheck.h

 #endif
 
 // Delta and Cartesian use 3 homing endstops
-#if !IS_SCARA
+#if NONE(IS_SCARA, SPI_ENDSTOPS)
   #if X_HOME_DIR < 0 && DISABLED(USE_XMIN_PLUG)
     #error "Enable USE_XMIN_PLUG when homing X to MIN."
   #elif X_HOME_DIR > 0 && DISABLED(USE_XMAX_PLUG)
   #define Y_ENDSTOP_INVERTING !AXIS_DRIVER_TYPE(Y,TMC2209)
   #define Z_ENDSTOP_INVERTING !AXIS_DRIVER_TYPE(Z,TMC2209)
 
-  #if ENABLED(DELTA) && !BOTH(STEALTHCHOP_XY, STEALTHCHOP_Z)
-    #error "SENSORLESS_HOMING on DELTA currently requires STEALTHCHOP_XY and STEALTHCHOP_Z."
-  #elif X_SENSORLESS && X_HOME_DIR < 0 && NONE(ONBOARD_ENDSTOPPULLUPS, ENDSTOPPULLUPS, ENDSTOPPULLUP_XMIN)
-    #error "SENSORLESS_HOMING requires ENDSTOPPULLUP_XMIN (or ENDSTOPPULLUPS) when homing to X_MIN."
-  #elif X_SENSORLESS && X_HOME_DIR > 0 && NONE(ONBOARD_ENDSTOPPULLUPS, ENDSTOPPULLUPS, ENDSTOPPULLUP_XMAX)
-    #error "SENSORLESS_HOMING requires ENDSTOPPULLUP_XMAX (or ENDSTOPPULLUPS) when homing to X_MAX."
-  #elif Y_SENSORLESS && Y_HOME_DIR < 0 && NONE(ONBOARD_ENDSTOPPULLUPS, ENDSTOPPULLUPS, ENDSTOPPULLUP_YMIN)
-    #error "SENSORLESS_HOMING requires ENDSTOPPULLUP_YMIN (or ENDSTOPPULLUPS) when homing to Y_MIN."
-  #elif Y_SENSORLESS && Y_HOME_DIR > 0 && NONE(ONBOARD_ENDSTOPPULLUPS, ENDSTOPPULLUPS, ENDSTOPPULLUP_YMAX)
-    #error "SENSORLESS_HOMING requires ENDSTOPPULLUP_YMAX (or ENDSTOPPULLUPS) when homing to Y_MAX."
-  #elif Z_SENSORLESS && Z_HOME_DIR < 0 && NONE(ONBOARD_ENDSTOPPULLUPS, ENDSTOPPULLUPS, ENDSTOPPULLUP_ZMIN)
-    #error "SENSORLESS_HOMING requires ENDSTOPPULLUP_ZMIN (or ENDSTOPPULLUPS) when homing to Z_MIN."
-  #elif Z_SENSORLESS && Z_HOME_DIR > 0 && NONE(ONBOARD_ENDSTOPPULLUPS, ENDSTOPPULLUPS, ENDSTOPPULLUP_ZMAX)
-    #error "SENSORLESS_HOMING requires ENDSTOPPULLUP_ZMAX (or ENDSTOPPULLUPS) when homing to Z_MAX."
-  #elif X_SENSORLESS && X_HOME_DIR < 0 && X_MIN_ENDSTOP_INVERTING != X_ENDSTOP_INVERTING
-    #if X_ENDSTOP_INVERTING
-      #error "SENSORLESS_HOMING requires X_MIN_ENDSTOP_INVERTING = true when homing to X_MIN."
-    #else
-      #error "SENSORLESS_HOMING requires X_MIN_ENDSTOP_INVERTING = false when homing TMC2209 to X_MIN."
-    #endif
-  #elif X_SENSORLESS && X_HOME_DIR > 0 && X_MAX_ENDSTOP_INVERTING != X_ENDSTOP_INVERTING
-    #if X_ENDSTOP_INVERTING
-      #error "SENSORLESS_HOMING requires X_MAX_ENDSTOP_INVERTING = true when homing to X_MAX."
-    #else
-      #error "SENSORLESS_HOMING requires X_MAX_ENDSTOP_INVERTING = false when homing TMC2209 to X_MAX."
-    #endif
-  #elif Y_SENSORLESS && Y_HOME_DIR < 0 && Y_MIN_ENDSTOP_INVERTING != Y_ENDSTOP_INVERTING
-    #if Y_ENDSTOP_INVERTING
-      #error "SENSORLESS_HOMING requires Y_MIN_ENDSTOP_INVERTING = true when homing to Y_MIN."
-    #else
-      #error "SENSORLESS_HOMING requires Y_MIN_ENDSTOP_INVERTING = false when homing TMC2209 to Y_MIN."
-    #endif
-  #elif Y_SENSORLESS && Y_HOME_DIR > 0 && Y_MAX_ENDSTOP_INVERTING != Y_ENDSTOP_INVERTING
-    #if Y_ENDSTOP_INVERTING
-      #error "SENSORLESS_HOMING requires Y_MAX_ENDSTOP_INVERTING = true when homing to Y_MAX."
-    #else
-      #error "SENSORLESS_HOMING requires Y_MAX_ENDSTOP_INVERTING = false when homing TMC2209 to Y_MAX."
+  #if NONE(SPI_ENDSTOPS, ONBOARD_ENDSTOPPULLUPS, ENDSTOPPULLUPS)
+    #if   X_SENSORLESS && X_HOME_DIR < 0 && DISABLED(ENDSTOPPULLUP_XMIN)
+      #error "SENSORLESS_HOMING requires ENDSTOPPULLUP_XMIN (or ENDSTOPPULLUPS) when homing to X_MIN."
+    #elif X_SENSORLESS && X_HOME_DIR > 0 && DISABLED(ENDSTOPPULLUP_XMAX)
+      #error "SENSORLESS_HOMING requires ENDSTOPPULLUP_XMAX (or ENDSTOPPULLUPS) when homing to X_MAX."
+    #elif Y_SENSORLESS && Y_HOME_DIR < 0 && DISABLED(ENDSTOPPULLUP_YMIN)
+      #error "SENSORLESS_HOMING requires ENDSTOPPULLUP_YMIN (or ENDSTOPPULLUPS) when homing to Y_MIN."
+    #elif Y_SENSORLESS && Y_HOME_DIR > 0 && DISABLED(ENDSTOPPULLUP_YMAX)
+      #error "SENSORLESS_HOMING requires ENDSTOPPULLUP_YMAX (or ENDSTOPPULLUPS) when homing to Y_MAX."
+    #elif Z_SENSORLESS && Z_HOME_DIR < 0 && DISABLED(ENDSTOPPULLUP_ZMIN)
+      #error "SENSORLESS_HOMING requires ENDSTOPPULLUP_ZMIN (or ENDSTOPPULLUPS) when homing to Z_MIN."
+    #elif Z_SENSORLESS && Z_HOME_DIR > 0 && DISABLED(ENDSTOPPULLUP_ZMAX)
+      #error "SENSORLESS_HOMING requires ENDSTOPPULLUP_ZMAX (or ENDSTOPPULLUPS) when homing to Z_MAX."
     #endif
-  #elif Z_SENSORLESS && Z_HOME_DIR < 0 && Z_MIN_ENDSTOP_INVERTING != Z_ENDSTOP_INVERTING
-    #if Z_ENDSTOP_INVERTING
-      #error "SENSORLESS_HOMING requires Z_MIN_ENDSTOP_INVERTING = true when homing to Z_MIN."
-    #else
-      #error "SENSORLESS_HOMING requires Z_MIN_ENDSTOP_INVERTING = false when homing TMC2209 to Z_MIN."
+  #endif
+
+  #if ENABLED(SPI_ENDSTOPS)
+    #if ENABLED(QUICK_HOME)
+      #warning "SPI_ENDSTOPS may be unreliable with QUICK_HOME. Adjust back-offs for better results."
     #endif
-  #elif Z_SENSORLESS && Z_HOME_DIR > 0 && Z_MAX_ENDSTOP_INVERTING != Z_ENDSTOP_INVERTING
-    #if Z_ENDSTOP_INVERTING
-      #error "SENSORLESS_HOMING requires Z_MAX_ENDSTOP_INVERTING = true when homing to Z_MAX."
-    #else
-      #error "SENSORLESS_HOMING requires Z_MAX_ENDSTOP_INVERTING = false when homing TMC2209 to Z_MAX."
+  #else
+    #if X_SENSORLESS && X_HOME_DIR < 0 && X_MIN_ENDSTOP_INVERTING != X_ENDSTOP_INVERTING
+      #if X_ENDSTOP_INVERTING
+        #error "SENSORLESS_HOMING requires X_MIN_ENDSTOP_INVERTING = true when homing to X_MIN."
+      #else
+        #error "SENSORLESS_HOMING requires X_MIN_ENDSTOP_INVERTING = false when homing TMC2209 to X_MIN."
+      #endif
+    #elif X_SENSORLESS && X_HOME_DIR > 0 && X_MAX_ENDSTOP_INVERTING != X_ENDSTOP_INVERTING
+      #if X_ENDSTOP_INVERTING
+        #error "SENSORLESS_HOMING requires X_MAX_ENDSTOP_INVERTING = true when homing to X_MAX."
+      #else
+        #error "SENSORLESS_HOMING requires X_MAX_ENDSTOP_INVERTING = false when homing TMC2209 to X_MAX."
+      #endif
+    #elif Y_SENSORLESS && Y_HOME_DIR < 0 && Y_MIN_ENDSTOP_INVERTING != Y_ENDSTOP_INVERTING
+      #if Y_ENDSTOP_INVERTING
+        #error "SENSORLESS_HOMING requires Y_MIN_ENDSTOP_INVERTING = true when homing to Y_MIN."
+      #else
+        #error "SENSORLESS_HOMING requires Y_MIN_ENDSTOP_INVERTING = false when homing TMC2209 to Y_MIN."
+      #endif
+    #elif Y_SENSORLESS && Y_HOME_DIR > 0 && Y_MAX_ENDSTOP_INVERTING != Y_ENDSTOP_INVERTING
+      #if Y_ENDSTOP_INVERTING
+        #error "SENSORLESS_HOMING requires Y_MAX_ENDSTOP_INVERTING = true when homing to Y_MAX."
+      #else
+        #error "SENSORLESS_HOMING requires Y_MAX_ENDSTOP_INVERTING = false when homing TMC2209 to Y_MAX."
+      #endif
+    #elif Z_SENSORLESS && Z_HOME_DIR < 0 && Z_MIN_ENDSTOP_INVERTING != Z_ENDSTOP_INVERTING
+      #if Z_ENDSTOP_INVERTING
+        #error "SENSORLESS_HOMING requires Z_MIN_ENDSTOP_INVERTING = true when homing to Z_MIN."
+      #else
+        #error "SENSORLESS_HOMING requires Z_MIN_ENDSTOP_INVERTING = false when homing TMC2209 to Z_MIN."
+      #endif
+    #elif Z_SENSORLESS && Z_HOME_DIR > 0 && Z_MAX_ENDSTOP_INVERTING != Z_ENDSTOP_INVERTING
+      #if Z_ENDSTOP_INVERTING
+        #error "SENSORLESS_HOMING requires Z_MAX_ENDSTOP_INVERTING = true when homing to Z_MAX."
+      #else
+        #error "SENSORLESS_HOMING requires Z_MAX_ENDSTOP_INVERTING = false when homing TMC2209 to Z_MAX."
+      #endif
     #endif
+  #endif
+
+  #if ENABLED(DELTA) && !BOTH(STEALTHCHOP_XY, STEALTHCHOP_Z)
+    #error "SENSORLESS_HOMING on DELTA currently requires STEALTHCHOP_XY and STEALTHCHOP_Z."
   #elif ENDSTOP_NOISE_THRESHOLD
     #error "SENSORLESS_HOMING is incompatible with ENDSTOP_NOISE_THRESHOLD."
   #elif !(X_SENSORLESS || Y_SENSORLESS || Z_SENSORLESS)

Marlin/src/module/endstops.cpp

         hit = true;
       }
     #endif
+
+    if (TERN0(ENDSTOP_INTERRUPTS_FEATURE, hit)) update();
+
     return hit;
   }