SKR Pro V1.1 StallGuard pins (#17550)

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

Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_3.h

@@ -31,18 +31,18 @@
   //#define SDCARD_EEPROM_EMULATION
 #endif
 
-/**
- * Trinamic Stallguard pins
- */
+//
+// Trinamic Stallguard pins
+//
 #define X_DIAG_PIN                         P1_29  // X-
 #define Y_DIAG_PIN                         P1_27  // Y-
 #define Z_DIAG_PIN                         P1_25  // Z-
 #define E0_DIAG_PIN                        P1_28  // X+
 #define E1_DIAG_PIN                        P1_26  // Y+
 
-/**
- * Limit Switches
- */
+//
+// Limit Switches
+//
 #if X_STALL_SENSITIVITY
   #define X_STOP_PIN                  X_DIAG_PIN
   #if X_HOME_DIR < 0

Marlin/src/pins/stm32f4/pins_BTT_SKR_PRO_V1_1.h

@@ -38,18 +38,54 @@
 //
 #define SERVO0_PIN                          PA1
 
+//
+// Trinamic Stallguard pins
+//
+#define X_DIAG_PIN                          PB10  // X-
+#define Y_DIAG_PIN                          PE12  // Y-
+#define Z_DIAG_PIN                          PG8   // Z-
+
 //
 // Limit Switches
 //
-#define X_MIN_PIN                           PB10
-#define X_MAX_PIN                           PE15
-#define Y_MIN_PIN                           PE12
-#define Y_MAX_PIN                           PE10
-#define Z_MIN_PIN                           PG8
-#define Z_MAX_PIN                           PG5
+#if X_STALL_SENSITIVITY
+  #define X_STOP_PIN                  X_DIAG_PIN
+  #if X_HOME_DIR < 0
+    #define X_MAX_PIN                       PE15  // E0
+  #else
+    #define X_MIN_PIN                       PE15  // E0
+  #endif
+#else
+  #define X_MIN_PIN                         PB10  // X-
+  #define X_MAX_PIN                         PE15  // E0
+#endif
+
+#if Y_STALL_SENSITIVITY
+  #define Y_STOP_PIN                  Y_DIAG_PIN
+  #if Y_HOME_DIR < 0
+    #define Y_MAX_PIN                       PE10  // E1
+  #else
+    #define Y_MIN_PIN                       PE10  // E1
+  #endif
+#else
+  #define Y_MIN_PIN                         PE12  // Y-
+  #define Y_MAX_PIN                         PE10  // E1
+#endif
+
+#if Z_STALL_SENSITIVITY
+  #define Z_STOP_PIN                  Z_DIAG_PIN
+  #if Z_HOME_DIR < 0
+    #define Z_MAX_PIN                       PG5   // E2
+  #else
+    #define Z_MIN_PIN                       PG5   // E2
+  #endif
+#else
+  #define Z_MIN_PIN                         PG8   // Z-
+  #define Z_MAX_PIN                         PG5   // E2
+#endif
 
 //
-// Z Probe must be this pins
+// Z Probe must be this pin
 //
 #ifndef Z_MIN_PROBE_PIN
   #define Z_MIN_PROBE_PIN                   PA2