/* This function will register hub class driver to the usb class driver manager. and it should be invoked in the usb system initialization. */
ucd_t rt_usbh_class_driver_hub(void)
/* This function will register hub class driver to the usb class driver manager. and it should be invoked in the usb system initialization. */
ucd_t rt_usbh_class_driver_hub(void)
{
    hub_driver.class_code = USB_CLASS_HUB;
    hub_driver.enable = rt_usbh_hub_enable;
    hub_driver.disable = rt_usbh_hub_disable;
    return &hub_driver;
}