#ifndef CORE_USB_USB_CALLBACK_EVENT
#define CORE_USB_USB_CALLBACK_EVENT

#include <stdint.h>

#include "usb_device_types.h"

typedef enum {
    USB_CBEVT_OUT, // OUT event
    USB_CBEVT_IN, // IN event
    USB_CBEVT_UNKNOWN_REQ // unknown request on a control endpoint
} USB_CallbackEventType;

typedef enum {
    USB_CBEVST_IN_NONE = 0, // no subtype
    USB_CBEVST_IN_REQ // IN request was received but could not be responded
} USB_CallbackEventSubType;

typedef struct {
    uint8_t type : 4; // event type
    uint8_t subtype : 4; // event subtype
    uint8_t ep;   // endpoint number
    uint8_t dir;  // endpoint direction
    uint8_t size; // size of accompaining data
    const uint8_t * data; // event data
    const USB_SetupRequest * setup_request; // corresponding setup request (if exists)

    bool reply_valid; // reply message is valid
    const uint8_t * reply_data; // reply data
    uint8_t reply_size; // reply size
} USB_CallbackEvent;

#endif /* CORE_USB_USB_CALLBACK_EVENT */