Tweak IS_SD_INSERTED

6 years ago · d26d9d5b81
1 changed files with 2 additions and 2 deletions
--- a/Marlin/src/sd/cardreader.h
+++ b/Marlin/src/sd/cardreader.h
@ -247,9 +247,9 @@ private:
  #define IS_SD_INSERTED() Sd2Card::isInserted()
 #elif PIN_EXISTS(SD_DETECT)
  #if ENABLED(SD_DETECT_INVERTED)
-    #define IS_SD_INSERTED() (READ(SD_DETECT_PIN) == HIGH)
+    #define IS_SD_INSERTED()  READ(SD_DETECT_PIN)
  #else
-    #define IS_SD_INSERTED() (READ(SD_DETECT_PIN) == LOW)
+    #define IS_SD_INSERTED() !READ(SD_DETECT_PIN)
  #endif
 #else
  // No card detect line? Assume the card is inserted.