🔧 Cutter pins for SKR 2.0

Marlin/src/pins/stm32f4/pins_BTT_SKR_V2_0_common.h

@@ -181,26 +181,44 @@
   #define Z_CS_PIN                          PD0
 #endif
 
-#define E0_STEP_PIN                         PD15
-#define E0_DIR_PIN                          PD14
-#define E0_ENABLE_PIN                       PC7
+#ifndef E0_STEP_PIN
+  #define E0_STEP_PIN                       PD15
+#endif
+#ifndef E0_DIR_PIN
+  #define E0_DIR_PIN                        PD14
+#endif
+#ifndef E0_ENABLE_PIN
+  #define E0_ENABLE_PIN                     PC7
+#endif
 #ifndef E0_CS_PIN
   #define E0_CS_PIN                         PC6
 #endif
 
-#define E1_STEP_PIN                         PD11
-#define E1_DIR_PIN                          PD10
-#define E1_ENABLE_PIN                       PD13
+#ifndef E1_STEP_PIN
+  #define E1_STEP_PIN                       PD11
+#endif
+#ifndef E1_DIR_PIN
+  #define E1_DIR_PIN                        PD10
+#endif
+#ifndef E1_ENABLE_PIN
+  #define E1_ENABLE_PIN                     PD13
+#endif
 #ifndef E1_CS_PIN
   #define E1_CS_PIN                         PD12
 #endif
 
 //
 // Temperature Sensors
 //
-#define TEMP_BED_PIN                        PA1   // TB
-#define TEMP_0_PIN                          PA2   // TH0
-#define TEMP_1_PIN                          PA3   // TH1
+#ifndef TEMP_0_PIN
+  #define TEMP_0_PIN                        PA2   // TH0
+#endif
+#ifndef TEMP_1_PIN
+  #define TEMP_1_PIN                        PA3   // TH1
+#endif
+#ifndef TEMP_BED_PIN
+  #define TEMP_BED_PIN                      PA1   // TB
+#endif
 
 #if HOTENDS == 1 && DISABLED(HEATERS_PARALLEL)
   #if TEMP_SENSOR_PROBE
@@ -225,12 +243,22 @@
 #ifndef FAN_PIN
   #define FAN_PIN                           PB7   // Fan0
 #endif
-#ifndef FAN1_PIN
-  #define FAN1_PIN                          PB6   // Fan1
-#endif
-#ifndef FAN2_PIN
-  #define FAN2_PIN                          PB5   // Fan2
-#endif
+
+#if EITHER(SPINDLE_FEATURE, LASER_FEATURE)
+  #ifndef SPINDLE_LASER_PWM_PIN
+    #define SPINDLE_LASER_PWM_PIN           PB5
+  #endif
+  #ifndef SPINDLE_LASER_ENA_PIN
+    #define SPINDLE_LASER_ENA_PIN           PB6
+  #endif
+#else
+  #ifndef FAN1_PIN
+    #define FAN1_PIN                        PB6   // Fan1
+  #endif
+  #ifndef FAN2_PIN
+    #define FAN2_PIN                        PB5   // Fan2
+  #endif
+#endif // SPINDLE_FEATURE || LASER_FEATURE
 
 //
 // Software SPI pins for TMC2130 stepper drivers
@@ -266,6 +294,9 @@
   //#define E3_HARDWARE_SERIAL Serial1
   //#define E4_HARDWARE_SERIAL Serial1
 
+  //
+  // Software serial
+  //
   #define X_SERIAL_TX_PIN                   PE0
   #define X_SERIAL_RX_PIN        X_SERIAL_TX_PIN
 
@@ -324,7 +355,16 @@
 // Onboard SD card
 // Must use soft SPI because Marlin's default hardware SPI is tied to LCD's EXP2
 //
-#if SD_CONNECTION_IS(ONBOARD)
+#if SD_CONNECTION_IS(LCD)
+
+  #define SDSS                              PA4
+  #define SD_SS_PIN                         SDSS
+  #define SD_SCK_PIN                        PA5
+  #define SD_MISO_PIN                       PA6
+  #define SD_MOSI_PIN                       PA7
+  #define SD_DETECT_PIN                     PC4
+
+#elif SD_CONNECTION_IS(ONBOARD)
 
   #define SDIO_SUPPORT                            // Use SDIO for onboard SD
   #define SDIO_D0_PIN                       PC8
@@ -334,17 +374,8 @@
   #define SDIO_CK_PIN                       PC12
   #define SDIO_CMD_PIN                      PD2
 
-#elif SD_CONNECTION_IS(LCD)
-
-  #define SDSS                              PA4
-  #define SD_SS_PIN                         SDSS
-  #define SD_SCK_PIN                        PA5
-  #define SD_MISO_PIN                       PA6
-  #define SD_MOSI_PIN                       PA7
-  #define SD_DETECT_PIN                     PC4
-
 #elif SD_CONNECTION_IS(CUSTOM_CABLE)
-  #error "CUSTOM_CABLE is not a supported SDCARD_CONNECTION for this board"
+  #error "No custom SD drive cable defined for this board."
 #endif
 
 #if ENABLED(BTT_MOTOR_EXPANSION)