Ensure Arduino.h and configs are included for serial.cpp

7 years ago · f0fe26c411
1 changed files with 2 additions and 0 deletions
--- a/Marlin/serial.h
+++ b/Marlin/serial.h
@ -23,6 +23,8 @@
 #ifndef __SERIAL_H__
 #define __SERIAL_H__

+#include "MarlinConfig.h"
+
 #ifdef USBCON
  #include "HardwareSerial.h"
  #if ENABLED(BLUETOOTH)