#include <stdbool.h>
#include <avr/pgmspace.h>
-#include "usb_debug.h"
-bool print_enable;
+extern bool print_enable;
// this macro allows you to write print("some text") and
// the string is automatically placed into flash memory :)
#define print(s) print_P(PSTR(s))
-#define pchar(c) usb_debug_putchar(c)
void print_P(const char *s);
void phex(unsigned char c);