diff --git a/Marlin/fastio.h b/Marlin/fastio.h index cb4399a95..6749a28bf 100644 --- a/Marlin/fastio.h +++ b/Marlin/fastio.h @@ -3,8 +3,8 @@ why double up on these macros? see http://gcc.gnu.org/onlinedocs/cpp/Stringification.html */ -#ifndef _ARDUINO_H -#define _ARDUINO_H +#ifndef _FASTIO_ARDUINO_H +#define _FASTIO_ARDUINO_H #include @@ -2579,4 +2579,4 @@ pins #error pins for this chip not defined in arduino.h! If you write an appropriate pin definition and have this firmware work on your chip, please submit a pull request #endif -#endif /* _ARDUINO_H */ +#endif /* _FASTIO_ARDUINO_H */