20.3. lwip_http_server

20.3.1. 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.

20.3.2. 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

20.3.3. Project Configurations

  • Ethernet Port Settings: Refer to Ethernet common project settings

  • 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

20.3.4. Run Example

  • Compiling and Downloading

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

    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.