Cable Modem软件在线升级的实现

Realization Of Software Online Upgrade In Cable Modem

目前,嵌入式技术在日常生活中得到越来越广泛的应用,在嵌入式系统中,为了便于升级产品的功能,或消除其中的缺陷,要对产品的软件进行升级。本文着重介绍了在Cable Modem系统中实现的一种软件在线升级功能,当Cable Modem上电启动后,通过TFTP服务器,将数据流传送到Cable Modem,完成软件的自动在线升级。

At present,embedded technology is used more and more, In the embedded system, must upgrade the product software in order to ease of the revision product function, or eliminates flaw. This article introduced emphatically realizes one kind of software online upgrade function in Cable Modem system, when Cable Modem started, through the TFTP server, spreads the data flow delivers Cable Modem, completes the software automatic online upgrade.