host_driver_t *host_get_driver(void);
uint8_t host_keyboard_leds(void);
+/* new interface */
+void host_register_key(uint8_t key);
+void host_unregister_key(uint8_t key);
+
/* keyboard report operations */
void host_add_key(uint8_t key);
void host_del_key(uint8_t key);