Filament state followup

4 years ago · e48489482c
1 changed files with 5 additions and 1 deletions
--- a/Marlin/src/feature/runout.h
+++ b/Marlin/src/feature/runout.h
@ -148,7 +148,11 @@ class FilamentSensorBase {

    // Return a bitmask of runout flag states (1 bits always indicates runout)
    static inline uint8_t poll_runout_states() {
-      return poll_runout_pins() ^ uint8_t(TERN(FIL_RUNOUT_STATE, 0, _BV(NUM_RUNOUT_SENSORS) - 1));
+      return poll_runout_pins()
+        #if FIL_RUNOUT_STATE == LOW
+          ^ uint8_t(_BV(NUM_RUNOUT_SENSORS) - 1)
+        #endif
+      ;
    }
 };