Function _function_enable

components/legacy/usb/usbdevice/class/rndis.c:948–992

* This function will run cdc class, it will be called on handle set configuration request. * * @param device the usb device object. * * @return RT_EOK on successful. */

 * @return RT_EOK on successful.
 */
static rt_err_t _function_enable(ufunction_t func)
{
    cdc_eps_t eps;

    LOG_I("plugged in");

    eps = (cdc_eps_t)&((rt_rndis_eth_t)func->user_data)->eps;
    eps->ep_in->buffer  = ((rt_rndis_eth_t)func->user_data)->tx_pool;
    eps->ep_out->buffer = ((rt_rndis_eth_t)func->user_data)->rx_pool;
    eps->ep_cmd->buffer = (rt_uint8_t*)((rt_rndis_eth_t)func->user_data)->cmd_pool;

    eps->ep_out->request.buffer = eps->ep_out->buffer;
    eps->ep_out->request.size = EP_MAXPACKET(eps->ep_out);
    eps->ep_out->request.req_type = UIO_REQUEST_READ_BEST;
    rt_usbd_io_request(func->device, eps->ep_out, &eps->ep_out->request);

    ((rt_rndis_eth_t)func->user_data)->rx_flag = RT_FALSE;
    ((rt_rndis_eth_t)func->user_data)->rx_frist = RT_TRUE;
    // eth_device_ready(&(((rt_rndis_eth_t)func->user_data)->parent));

#ifdef  RNDIS_DELAY_LINK_UP
    /* stop link up timer. */
    rt_timer_stop(&((rt_rndis_eth_t)func->user_data)->timer);
#endif /* RNDIS_DELAY_LINK_UP */

    /* clean resp chain list. */
    {
        struct rt_rndis_response * response;
        rt_base_t level = rt_hw_interrupt_disable();

        while(!rt_list_isempty(&((rt_rndis_eth_t)func->user_data)->response_list))
        {
            response = (struct rt_rndis_response *)((rt_rndis_eth_t)func->user_data)->response_list.next;

            rt_list_remove(&response->list);
            rt_free((void *)response->buffer);
            rt_free(response);
        }

        ((rt_rndis_eth_t)func->user_data)->need_notify = RT_TRUE;
        rt_hw_interrupt_enable(level);
    }

    return RT_EOK;
}

/**
 * This function will stop cdc class, it will be called on handle set configuration request.