#ifndef CLASS_EEM
#define CLASS_EEM

#include <stdint.h>

#include "../usb_callback_event.h"

typedef struct {
    uint8_t data_ep; // bulk data in and out endpoint pair
    bool initialized; // EEM is initialized
} USB_EemState;

/**
 * Initialize USB EEM module.
 * @param data_ep data endpoint number
*/
void usb_eem_init(uint8_t data_ep);

/**
 * Callback function for data reception and transmission.
 * @param cbevt pointer to callback event structure
 * @return function returns how to proceed with packet processing 
*/
int usb_eem_process_and_return(USB_CallbackEvent * cbevt);

#endif /* CLASS_EEM */