Pins cleanup

Marlin/src/pins/stm32/pins_BEAST.h

   #endif // NEWPANEL
 
 #endif // HAS_SPI_LCD
-
-#define U_MIN_PIN          -1
-#define V_MIN_PIN          -1
-#define W_MIN_PIN          -1

Marlin/src/pins/stm32/pins_CHITU3D.h

   #endif // NEWPANEL
 
 #endif // HAS_SPI_LCD
-
-#define U_MIN_PIN          -1
-#define V_MIN_PIN          -1
-#define W_MIN_PIN          -1

Marlin/src/pins/stm32/pins_STM32F1R.h

 //
 // Limit Switches
 //
-#define U_MIN_PIN          -1
-#define V_MIN_PIN          -1
-#define W_MIN_PIN          -1
 #define X_STOP_PIN         PB3
 #define Y_STOP_PIN         PB4
 #define Z_STOP_PIN         PB5

Marlin/src/pins/stm32/pins_STM3R_MINI.h

 //
 // Limit Switches
 //
-#define U_MIN_PIN          -1
-#define V_MIN_PIN          -1
-#define W_MIN_PIN          -1
 #define X_STOP_PIN         PD0
 #define Y_STOP_PIN         PD1
 #define Z_STOP_PIN         PD4
 #if HAS_SPI_LCD
 
   #if ENABLED(REPRAPWORLD_GRAPHICAL_LCD)
-    #define LCD_PINS_RS         49   // CS chip select /SS chip slave select
-    #define LCD_PINS_ENABLE     51   // SID (MOSI)
-    #define LCD_PINS_D4         52   // SCK (CLK) clock
+    #define LCD_PINS_RS    49   // CS chip select /SS chip slave select
+    #define LCD_PINS_ENABLE 51  // SID (MOSI)
+    #define LCD_PINS_D4    52   // SCK (CLK) clock
   #elif BOTH(NEWPANEL, PANEL_ONE)
-    #define LCD_PINS_RS         PB8
-    #define LCD_PINS_ENABLE     PD2
-    #define LCD_PINS_D4         PB12
-    #define LCD_PINS_D5         PB13
-    #define LCD_PINS_D6         PB14
-    #define LCD_PINS_D7         PB15
+    #define LCD_PINS_RS    PB8
+    #define LCD_PINS_ENABLE PD2
+    #define LCD_PINS_D4    PB12
+    #define LCD_PINS_D5    PB13
+    #define LCD_PINS_D6    PB14
+    #define LCD_PINS_D7    PB15
   #else
-    #define LCD_PINS_RS         PB8
-    #define LCD_PINS_ENABLE     PD2
-    #define LCD_PINS_D4         PB12
-    #define LCD_PINS_D5         PB13
-    #define LCD_PINS_D6         PB14
-    #define LCD_PINS_D7         PB15
+    #define LCD_PINS_RS    PB8
+    #define LCD_PINS_ENABLE PD2ins
+    #define LCD_PINS_D4    PB12
+    #define LCD_PINS_D5    PB13
+    #define LCD_PINS_D6    PB14
+    #define LCD_PINS_D7    PB15
     #if DISABLED(NEWPANEL)
-      #define BEEPER_PIN        33
+      #define BEEPER_PIN   33
       // Buttons are attached to a shift register
       // Not wired yet
-      //#define SHIFT_CLK 38
-      //#define SHIFT_LD 42
-      //#define SHIFT_OUT 40
-      //#define SHIFT_EN 17
+      //#define SHIFT_CLK  38
+      //#define SHIFT_LD   42
+      //#define SHIFT_OUT  40
+      //#define SHIFT_EN   17
     #endif
   #endif
 
 
     #elif ENABLED(REPRAPWORLD_GRAPHICAL_LCD)
 
-      #define BTN_EN1           64
-      #define BTN_EN2           59
-      #define BTN_ENC           63
-      #define SD_DETECT_PIN     42
+      #define BTN_EN1      64
+      #define BTN_EN2      59
+      #define BTN_ENC      63
+      #define SD_DETECT_PIN 42
 
     #elif ENABLED(LCD_I2C_PANELOLU2)
 
-      #define BTN_EN1           47
-      #define BTN_EN2           43
-      #define BTN_ENC           32
-      #define LCD_SDSS          53
-      #define SD_DETECT_PIN     -1
-      #define KILL_PIN          41
+      #define BTN_EN1      47
+      #define BTN_EN2      43
+      #define BTN_ENC      32
+      #define LCD_SDSS     53
+      #define SD_DETECT_PIN -1
+      #define KILL_PIN     41
 
     #elif ENABLED(LCD_I2C_VIKI)
 
-      #define BTN_EN1           22   // http://files.panucatt.com/datasheets/viki_wiring_diagram.pdf explains 40/42.
-      #define BTN_EN2            7   // 22/7 are unused on RAMPS_14. 22 is unused and 7 the SERVO0_PIN on RAMPS_13.
+      #define BTN_EN1      22   // http://files.panucatt.com/datasheets/viki_wiring_diagram.pdf explains 40/42.
+      #define BTN_EN2       7   // 22/7 are unused on RAMPS_14. 22 is unused and 7 the SERVO0_PIN on RAMPS_13.
 
-      #define BTN_ENC           -1
-      #define LCD_SDSS          53
-      #define SD_DETECT_PIN     49
+      #define BTN_ENC      -1
+      #define LCD_SDSS     53
+      #define SD_DETECT_PIN 49
 
     #elif ANY(VIKI2, miniVIKI)
 
-      #define BEEPER_PIN        33
+      #define BEEPER_PIN   33
 
       // Pins for DOGM SPI LCD Support
-      #define DOGLCD_A0         44
-      #define DOGLCD_CS         45
+      #define DOGLCD_A0    44
+      #define DOGLCD_CS    45
       #define LCD_SCREEN_ROT_180
 
-      #define BTN_EN1           22
-      #define BTN_EN2            7
-      #define BTN_ENC           39
+      #define BTN_EN1      22
+      #define BTN_EN2       7
+      #define BTN_ENC      39
 
-      #define SDSS              53
-      #define SD_DETECT_PIN     -1   // Pin 49 for display sd interface, 72 for easy adapter board
+      #define SDSS         53
+      #define SD_DETECT_PIN -1   // Pin 49 for display sd interface, 72 for easy adapter board
 
-      #define KILL_PIN          31
+      #define KILL_PIN     31
 
       #define STAT_LED_RED_PIN  32
       #define STAT_LED_BLUE_PIN 35
 
     #elif ENABLED(ELB_FULL_GRAPHIC_CONTROLLER)
 
-      #define BTN_EN1           35
-      #define BTN_EN2           37
-      #define BTN_ENC           31
-      #define SD_DETECT_PIN     49
-      #define LCD_SDSS          53
-      #define KILL_PIN          41
-      #define BEEPER_PIN        23
-      #define DOGLCD_CS         29
-      #define DOGLCD_A0         27
+      #define BTN_EN1      35
+      #define BTN_EN2      37
+      #define BTN_ENC      31
+      #define SD_DETECT_PIN 49
+      #define LCD_SDSS     53
+      #define KILL_PIN     41
+      #define BEEPER_PIN   23
+      #define DOGLCD_CS    29
+      #define DOGLCD_A0    27
       #define LCD_BACKLIGHT_PIN 33
 
     #elif ENABLED(MINIPANEL)
 
-      #define BEEPER_PIN        42
+      #define BEEPER_PIN   42
       // Pins for DOGM SPI LCD Support
-      #define DOGLCD_A0         44
-      #define DOGLCD_CS         66
+      #define DOGLCD_A0    44
+      #define DOGLCD_CS    66
       #define LCD_BACKLIGHT_PIN 65   // backlight LED on A11/D65
-      #define SDSS              53
+      #define SDSS         53
 
-      #define KILL_PIN          64
+      #define KILL_PIN     64
       // GLCD features
       // Uncomment screen orientation
       //#define LCD_SCREEN_ROT_90
       //#define LCD_SCREEN_ROT_180
       //#define LCD_SCREEN_ROT_270
       // The encoder and click button
-      #define BTN_EN1           40
-      #define BTN_EN2           63
-      #define BTN_ENC           59
+      #define BTN_EN1      40
+      #define BTN_EN2      63
+      #define BTN_ENC      59
       // not connected to a pin
-      #define SD_DETECT_PIN     49
+      #define SD_DETECT_PIN 49
 
     #else
 
       // Beeper on AUX-4
-      #define BEEPER_PIN        33
+      #define BEEPER_PIN   33
 
       // buttons are directly attached to AUX-2
       #if ENABLED(REPRAPWORLD_KEYPAD)
-        #define BTN_EN1         64
-        #define BTN_EN2         59
-        #define BTN_ENC         63
-        #define SHIFT_OUT       40
-        #define SHIFT_CLK       44
-        #define SHIFT_LD        42
+        #define BTN_EN1    64
+        #define BTN_EN2    59
+        #define BTN_ENC    63
+        #define SHIFT_OUT  40
+        #define SHIFT_CLK  44
+        #define SHIFT_LD   42
       #elif ENABLED(PANEL_ONE)
-        #define BTN_EN1         59   // AUX2 PIN 3
-        #define BTN_EN2         63   // AUX2 PIN 4
-        #define BTN_ENC         49   // AUX3 PIN 7
+        #define BTN_EN1    59   // AUX2 PIN 3
+        #define BTN_EN2    63   // AUX2 PIN 4
+        #define BTN_ENC    49   // AUX3 PIN 7
       #else
-        #define BTN_EN1         37
-        #define BTN_EN2         35
-        #define BTN_ENC         31
+        #define BTN_EN1    37
+        #define BTN_EN2    35
+        #define BTN_ENC    31
       #endif
 
       #if ENABLED(G3D_PANEL)
-        #define SD_DETECT_PIN   49
-        #define KILL_PIN        41
+        #define SD_DETECT_PIN 49
+        #define KILL_PIN   41
       #else
         //#define SD_DETECT_PIN -1   // Ramps doesn't use this
       #endif