#ifndef __USB_IF_H__
#define __USB_IF_H__

#include <global.h>
#include <usb_cdc.h>
#include <usb.h>
#include <cobs.h>

#define USB_CDC_DATA_SIZE 0x40

struct usb_state {
    struct usb_cdc_line_coding line;
    usbd_device usb_dev;
    uint32_t usb_buf[0x20];
    uint8_t usb_pkbuf[USB_CDC_DATA_SIZE];
    struct cobs_decode_state cobs_state;
    bool cobs_synchronized;
    bool connected;
    ErrorCode error;
    uint64_t last_error;
    uint8_t txbuf[USB_CDC_DATA_SIZE];
    size_t txpos;
};

extern struct usb_state st_usb;

void usb_init(void);
extern void handle_usb_packet(void *packet, size_t len);
ErrorCode usb_write_response(void *data, size_t len);

#endif /* __USB_IF_H__ */