以Xilinx公司的现场可编程门阵列(FPGA)作为硬件平台,借助其EDK开发工具,搭建Web服务器运行系统.基于HTTP协议,采用TCP/IP套接字编程技术,实现个人计算机与目标板的网络通信,该系统应用在高速图像采集系统中,经过设备的网口远程访问嵌入式Web服务器,通过输入控制命令,以及将系统相应的图像数据显示在上位机的Web监控页面上,实现监控远端现场图像数据和设备工作状态.本文对系统功能,系统的硬件设计、软件设计,以及Xilkernel操作系统、LwIP协议栈、XilMFS文件系统,Socket网络编程等进行了介绍.经过试验测试在主机端实现浏览存储在嵌入式Web服务器中的静态页面;同时根据浏览器中输入参数,控制指示灯的熄灭;并浏览存储在SDRAM中的图像数据,设计达到预期的效果.

The embedded Web server system is built with the EDK development tools of the FPGA hardware platform of Xilinx company. Based on the HTTP protocol, the TCP/IP socket programming technology is adopted for network communications between PC computer and target. using a high-speed image acquisition system. The equipment's ethernet port is used for the Web server remote access. Through the control commands for input, the system displays the image data, to realize the monitoring and controlling of remote site image data and device activity. In this paper, the functions of the system, the hardware design and the software design based on the Xilkernel Operation System (OS), LwIP protocol stack, XilMFS File System (FS), and socket network programming are discussed. The host end is tested to achieve browsing stored in the embedded Web server in the static page, at the same time, according to the browser input parameters, the indicator's on and off are used to control functions according to the input data. The image data stored in SDRAM could be browsed and the control indicator lamp could be on and off, according to the design.