Added toggle for filament sensor or laser

Marlin/Configuration.h

@@ -26,6 +26,11 @@
 //#define BedAC
 
 //#define tallVersion
+
+/*
+ * Enables a filament sensor plugged into the laser pin. Disables the laser
+ */
+#define FilamentSensor
 /**
  * Configuration.h
  *
@@ -890,11 +895,14 @@
  * For other boards you may need to define FIL_RUNOUT_PIN, FIL_RUNOUT2_PIN, etc.
  * By default the firmware assumes HIGH=FILAMENT PRESENT.
  */
-//#define FILAMENT_RUNOUT_SENSOR
+ #if(ENABLED(FilamentSensor))
+  #define FILAMENT_RUNOUT_SENSOR
+#endif
 #if ENABLED(FILAMENT_RUNOUT_SENSOR)
   #define NUM_RUNOUT_SENSORS   1     // Number of sensors, up to one per extruder. Define a FIL_RUNOUT#_PIN for each.
   #define FIL_RUNOUT_INVERTING false // set to true to invert the logic of the sensor.
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
+  #define FILAMENT_RUNOUT_PIN 4
   #define FILAMENT_RUNOUT_SCRIPT "M600"
 #endif
 

Marlin/Configuration_adv.h

@@ -1379,8 +1379,9 @@
   //#define SPEED_POWER_MAX      100      // 0-100%
 #endif
 
-
-#define FAN_AS_LASER
+#if(!ENABLED(FilamentSensor))
+  #define FAN_AS_LASER
+#endif
 #if ENABLED(FAN_AS_LASER)
   #define FAN_NUM_AS_LASER 1
   #define LASER_PIN_DEDICATED true

Marlin/pins_RUMBA.h

@@ -147,7 +147,9 @@
 #define LASER_PIN          -1   
 
 #define FAN_PIN             9
-#define FAN1_PIN            4
+#if(!ENABLED(FilamentSensor))
+  #define FAN1_PIN            4
+#endif
 
 //
 // Misc. Functions