1 files changed, 7 insertions, 2 deletions
diff --git a/cores/arduino/main.cpp b/cores/arduino/main.cpp
index 3c46f1e..34450f4 100755
--- a/cores/arduino/main.cpp
+++ b/cores/arduino/main.cpp
@@ -1,14 +1,19 @@
-#define ARDUINO_MAIN
 #include <Arduino.h>
 
 int main(void)
 {
 	init();
 
+#if defined(USBCON)
+	USB.attach();
+#endif
+	
 	setup();
     
-	for (;;)
+	for (;;) {
 		loop();
+		if (serialEventRun) serialEventRun();
+	}
         
 	return 0;
 }