.. _lwip_http_server:

lwip_http_server
================================

Overview
--------

This example shows how to use lwip http to setup a http server.

Note:

* An exception may occur if you repeatedly refresh the web page.

Board Settings
--------------

- Connect a USB port on PC to the PWR DEBUG port on the development board with a USB Type-C cable

- Connect an Ethernet port on PC to a RGMII port or a RMII port on the development board with an Ethernet cable

Project Configurations
----------------------

- Ethernet Port Settings: Refer to :ref:`Ethernet common project settings <ethernet_port_configurations_en>`

- Ethernet DHCP Configurations

  - the configurations in the `CMakeLists.txt` as follows:

    - sdk_compile_definitions(-DLWIP_DHCP=0): Disable DHCP feature

    - sdk_compile_definitions(-DLWIP_DHCP=1): Enable DHCP feature

Run Example
-----------

- Compiling and Downloading

- Running log is shown in the serial terminal as follows:


  .. code-block:: console

   This is an ethernet demo: HTTP Server (Polling Usage)
   LwIP Version: 2.1.2
   Enet phy init passed !
   Link Status: Up
   Link Speed:  1000Mbps
   Link Duplex: Full duplex
   IPv4 Address: 192.168.100.10
   IPv4 Netmask: 255.255.255.0
   IPv4 Gateway: 192.168.100.1


- Open browser on PC, type http://192.168.100.10 and press enter, the web page will appear:

  Note: This demo can run successfully via 360 browser or IE browser.


  .. image:: ../../../../../samples/lwip/lwip_http_server/doc/lwip_httpsrv.png
     :alt: