bool ConfigSuccess = true;
 
        /* Setup Mass Storage Data Endpoints */
-       ConfigSuccess &= Endpoint_ConfigureEndpoint(MASS_STORAGE_IN_EPNUM,  EP_TYPE_BULK, ENDPOINT_DIR_IN,
-                                                   MASS_STORAGE_IO_EPSIZE, ENDPOINT_BANK_SINGLE);
-       ConfigSuccess &= Endpoint_ConfigureEndpoint(MASS_STORAGE_OUT_EPNUM, EP_TYPE_BULK, ENDPOINT_DIR_OUT,
-                                                   MASS_STORAGE_IO_EPSIZE, ENDPOINT_BANK_SINGLE);
+       ConfigSuccess &= Endpoint_ConfigureEndpoint(MASS_STORAGE_IN_EPADDR,  EP_TYPE_BULK, MASS_STORAGE_IO_EPSIZE, 1);
+       ConfigSuccess &= Endpoint_ConfigureEndpoint(MASS_STORAGE_OUT_EPADDR, EP_TYPE_BULK, MASS_STORAGE_IO_EPSIZE, 1);
 
        /* Indicate endpoint configuration success or failure */
        LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
 
                /* Check direction of command, select Data IN endpoint if data is from the device */
                if (CommandBlock.Flags & MS_COMMAND_DIR_DATA_IN)
-                 Endpoint_SelectEndpoint(MASS_STORAGE_IN_EPNUM);
+                 Endpoint_SelectEndpoint(MASS_STORAGE_IN_EPADDR);
 
                /* Decode the received SCSI command, set returned status code */
                CommandStatus.Status = SCSI_DecodeSCSICommand() ? MS_SCSI_COMMAND_Pass : MS_SCSI_COMMAND_Fail;
        if (IsMassStoreReset)
        {
                /* Reset the data endpoint banks */
-               Endpoint_ResetEndpoint(MASS_STORAGE_OUT_EPNUM);
-               Endpoint_ResetEndpoint(MASS_STORAGE_IN_EPNUM);
+               Endpoint_ResetEndpoint(MASS_STORAGE_OUT_EPADDR);
+               Endpoint_ResetEndpoint(MASS_STORAGE_IN_EPADDR);
 
-               Endpoint_SelectEndpoint(MASS_STORAGE_OUT_EPNUM);
+               Endpoint_SelectEndpoint(MASS_STORAGE_OUT_EPADDR);
                Endpoint_ClearStall();
                Endpoint_ResetDataToggle();
-               Endpoint_SelectEndpoint(MASS_STORAGE_IN_EPNUM);
+               Endpoint_SelectEndpoint(MASS_STORAGE_IN_EPADDR);
                Endpoint_ClearStall();
                Endpoint_ResetDataToggle();
 
        uint16_t BytesTransferred;
 
        /* Select the Data Out endpoint */
-       Endpoint_SelectEndpoint(MASS_STORAGE_OUT_EPNUM);
+       Endpoint_SelectEndpoint(MASS_STORAGE_OUT_EPADDR);
 
        /* Abort if no command has been sent from the host */
        if (!(Endpoint_IsOUTReceived()))
        {
                /* Stall both data pipes until reset by host */
                Endpoint_StallTransaction();
-               Endpoint_SelectEndpoint(MASS_STORAGE_IN_EPNUM);
+               Endpoint_SelectEndpoint(MASS_STORAGE_IN_EPADDR);
                Endpoint_StallTransaction();
 
                return false;
        uint16_t BytesTransferred;
 
        /* Select the Data Out endpoint */
-       Endpoint_SelectEndpoint(MASS_STORAGE_OUT_EPNUM);
+       Endpoint_SelectEndpoint(MASS_STORAGE_OUT_EPADDR);
 
        /* While data pipe is stalled, wait until the host issues a control request to clear the stall */
        while (Endpoint_IsStalled())
        }
 
        /* Select the Data In endpoint */
-       Endpoint_SelectEndpoint(MASS_STORAGE_IN_EPNUM);
+       Endpoint_SelectEndpoint(MASS_STORAGE_IN_EPADDR);
 
        /* While data pipe is stalled, wait until the host issues a control request to clear the stall */
        while (Endpoint_IsStalled())