/* dfu.c */
extern const struct usb_dfu_descriptor dfu_function;
extern const struct usb_interface_descriptor dfu_iface;
extern int dfu_control_request (usbd_device * usbd_dev,
                                struct usb_setup_data *req, uint8_t ** buf,
                                uint16_t * len,
                                void (**complete) (usbd_device * usbd_dev,
                                                   struct usb_setup_data *
                                                   req));
/* mouse.c */
extern const struct usb_endpoint_descriptor mouse_endpoint;
extern const struct usb_interface_descriptor mouse_iface;
extern void mouse_get_descriptor (uint8_t ** buf, uint16_t * len);
extern void mouse_test (void);
/* keyboard.c */
extern const struct usb_endpoint_descriptor keyboard_endpoint;
extern const struct usb_interface_descriptor keyboard_iface;
extern void keyboard_get_descriptor (uint8_t ** buf, uint16_t * len);
extern void keyboard_test (void);
/* main.c */
extern int main (void);
/* usb.c */
extern const struct usb_device_descriptor dev;
extern const struct usb_interface ifaces[];
extern const struct usb_config_descriptor config;
extern usbd_device *usbd_dev;
extern int usb_is_suspended;
extern int usb_wakeup_host (void);
extern void usb_set_config (usbd_device * usbd_dev, uint16_t wValue);
extern void usb_init (void);
extern void usb_run (void);
/* tablet.c */
extern const struct usb_endpoint_descriptor tablet_endpoint;
extern const struct usb_interface_descriptor tablet_iface;
extern void tablet_get_descriptor (uint8_t ** buf, uint16_t * len);
extern void tablet_test (void);
/* usart.c */
extern ring_t rx1_ring;
extern ring_t tx1_ring;
extern ring_t rx2_ring;
extern ring_t tx2_ring;
extern ring_t tx3_ring;
extern void usart1_isr (void);
extern void usart2_isr (void);
extern void usart3_isr (void);
extern int _write (int file, char *ptr, int len);
extern void usart2_queue (uint8_t d);
extern void usart3_queue (uint8_t d);
extern void usart_init (void);
/* kvm.c */
extern void kvm_dispatch (void);
extern void kvm_recv (uint8_t d);
/* ring.c */
extern void ring_init (ring_t * r, uint8_t * buf, size_t len);
extern int ring_write_byte (ring_t * r, uint8_t c);
extern int ring_read_byte (ring_t * r, uint8_t * c);
extern int ring_write (ring_t * r, uint8_t * buf, size_t len);
/* led.c */
extern void led_init (void);
extern void led_set (uint32_t v);
extern void led_tick (void);
/* consumer.c */
extern const struct usb_endpoint_descriptor consumer_endpoint;
extern const struct usb_interface_descriptor consumer_iface;
extern void consumer_get_descriptor (uint8_t ** buf, uint16_t * len);
/* ticker.c */
extern volatile uint32_t ticks;
extern void delay_us (uint32_t d);
extern void sys_tick_handler (void);
extern void delay_ms (uint32_t d);
extern int timed_out (uint32_t then, unsigned int ms);
extern void ticker_init (void);