#define AO_PANIC_STDIO 7 /* Too many stdio handlers registered */
#define AO_PANIC_REBOOT 8 /* Reboot failed */
#define AO_PANIC_FLASH 9 /* Invalid flash part (or wrong blocksize) */
+#define AO_PANIC_USB 10 /* Trying to send USB packet while busy */
/* Stop the operating system, beeping and blinking the reason */
void