Allow FIL_RUNOUT_PIN override on RAMPS-based boards

2018-01-20 12:00:03 -06:00
parent d29a0d64d5
commit eb3a05c437
1 changed files with 3 additions and 1 deletions
--- a/Marlin/pins_RAMPS.h
+++ b/Marlin/pins_RAMPS.h
@@ -252,7 +252,9 @@
 #endif

 // define digital pin 4 for the filament runout sensor. Use the RAMPS 1.4 digital input 4 on the servos connector
+#ifndef FIL_RUNOUT_PIN
  #define FIL_RUNOUT_PIN    4
+#endif

 #ifndef PS_ON_PIN
  #define PS_ON_PIN        12