1 

14 #ifndef USB_STDIO_H_

15 #define USB_STDIO_H_

16 

17 #ifndef F_USB

18 #define F_USB = 48000000

19 #endif

20 #ifndef F_CPU

21 #define F_CPU = 32000000

22 #endif

23 

24 void stdio_usb_init(void);

25 void usb_write ( char c, int *f );

26 int usb_read ( int *f );

27 int usb_read_wait ( int *f );

28 

29 #endif /* USB_STDIO_H_ */