/* Send the request, display error and wait for device detach if request fails */\r
if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)\r
{\r
/* Send the request, display error and wait for device detach if request fails */\r
if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)\r
{\r