Abstract: In order to reduce the costs of embedded system update and maintenance effectively, this paper presents a method of using Web interface to achieve automatic update for embedded system through remote communication according to store framework and update principle of embedded device, which includes the technique of packing kernel image and root file system before update, the method of unpacking and writing it into Flash after receiving packet, and the way of remote communication between client and embedded device.

Key words: embedded device, online update, remote communication, Web server

摘要： 为了有效降低嵌入式系统的升级和维护成本，根据嵌入式设备存储结构和更新原理，提出一种通过 Web界面实现嵌入式设备软件自动升级的方法，包括在升级更新前将内核映像文件和根文件系统打包的方法、设备收到打包数据文件后分析和写入存储单元的技术以及用户与嵌入式设备进行远程通信的方式。

关键词: 嵌入式设备, 在线升级, 远程通信, Web服务器

CLC Number: 

• N945