#ifndef usb_serial_h__ #define usb_serial_h__ #include void usb_init(void); // initialize everything uint8_t usb_configured(void); // is the USB port configured int8_t usb_keyboard_press(uint8_t key, uint8_t modifier); int8_t usb_keyboard_send(void); extern uint8_t keyboard_modifier_keys; extern uint8_t keyboard_keys[6]; extern volatile uint8_t keyboard_leds; #endif