Merge pull request #3654 from thinkyhead/rc_cleanup_pins

Pins cleanups

Marlin/macros.h

 #define PENDING(NOW,SOON) ((long)(NOW-(SOON))<0)
 #define ELAPSED(NOW,SOON) (!PENDING(NOW,SOON))
 
+#define NOOP do{}while(0)
+
 #endif //__MACROS_H

Marlin/pins.h

     X_STEP_PIN, X_DIR_PIN, X_ENABLE_PIN, X_MIN_PIN, X_MAX_PIN, \
     Y_STEP_PIN, Y_DIR_PIN, Y_ENABLE_PIN, Y_MIN_PIN, Y_MAX_PIN, \
     Z_STEP_PIN, Z_DIR_PIN, Z_ENABLE_PIN, Z_MIN_PIN, Z_MAX_PIN, Z_MIN_PROBE_PIN, \
-    PS_ON_PIN, HEATER_BED_PIN, FAN_PIN, \
+    PS_ON_PIN, HEATER_BED_PIN, FAN_PIN, CONTROLLERFAN_PIN, \
+    EXTRUDER_0_AUTO_FAN_PIN, EXTRUDER_1_AUTO_FAN_PIN, EXTRUDER_2_AUTO_FAN_PIN, EXTRUDER_3_AUTO_FAN_PIN, \
     _E0_PINS _E1_PINS _E2_PINS _E3_PINS \
     analogInputToDigitalPin(TEMP_BED_PIN) \
   }

Marlin/pins_AZTEEG_X3_PRO.h

 
 #undef FAN_PIN
 #define FAN_PIN             6 //Part Cooling System
+
+#undef BEEPER_PIN
 #define BEEPER_PIN         33
 #define CONTROLLERFAN_PIN   4 //Pin used for the fan to cool motherboard (-1 to disable)
 //Fans/Water Pump to cool the hotend cool side.
   #define Z_MIN_PIN        19
   #define Z_MAX_PIN        18
 #endif
-//
+
+
 #if ENABLED(Z_MIN_PROBE_ENDSTOP)
   //#undef Z_MIN_PIN
   //#define Z_MIN_PIN        15
 #define TC2                 5   // ANALOG NUMBERING Thermo couple on Azteeg X3Pro
 
 //
-//These Servo pins are for when they are defined. Tested for usage with bed leveling
-//on a Delta with 1 servo. Running through the Z servo endstop in code.
-//Physical wire attachment was done on EXT1 on the GND, 5V, and D47 pins.
+// These Servo pins are for when they are defined. Tested for usage with bed leveling
+// on a Delta with 1 servo. Running through the Z servo endstop in code.
+// Physical wire attachment was done on EXT1 on the GND, 5V, and D47 pins.
 //
+#undef SERVO0_PIN
 #define SERVO0_PIN         47
 
 //LCD Pins//

Marlin/ultralcd.h

   FORCE_INLINE void lcd_reset_alert_level() {}
   FORCE_INLINE bool lcd_detected(void) { return true; }
 
-  #define LCD_MESSAGEPGM(x) do{}while(0)
-  #define LCD_ALERTMESSAGEPGM(x) do{}while(0)
+  #define LCD_MESSAGEPGM(x) NOOP
+  #define LCD_ALERTMESSAGEPGM(x) NOOP
 
 #endif //ULTRA_LCD