add runout options

Marlin/Configuration.h

@@ -1,3 +1,6 @@
+//#define FilamentSensorStd
+//#define FilamentSensorLerdge
+
 /**
  * Marlin 3D Printer Firmware
  * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
@@ -983,18 +986,27 @@
  * 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(FilamentSensorStd) || ENABLED(FilamentSensorLerdge)
+  #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 NUM_RUNOUT_SENSORS   1     // Number of sensors, up to one per extruder. Define a FIL_RUNOUT#_PIN for each.
+ #if ENABLED(lerdgeFilSensor)
+   #define FIL_RUNOUT_INVERTING false // set to true to invert the logic of the sensor.
+ #else
+   #define FIL_RUNOUT_INVERTING true // set to true to invert the logic of the sensor.
+ #endif
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
+
+  #define FIL_RUNOUT_PIN 2
   #define FILAMENT_RUNOUT_SCRIPT "M600"
 
   // After a runout is detected, continue printing this length of filament
   // before executing the runout script. Useful for a sensor at the end of
   // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
-  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+  #define FILAMENT_RUNOUT_DISTANCE_MM 5
 
   #ifdef FILAMENT_RUNOUT_DISTANCE_MM
     // Enable this option to use an encoder disc that toggles the runout pin