摘要： 针对单一的软件升级方式难以满足不同VxWorks软件升级需求的问题，分析各种VxWorks软件升级方式的优缺点和适用场合，设计VxWorks远程在线软件升级系统，讨论动态软件升级的原理和实现方法。介绍提高升级可靠性的设计，描述系统的具体实现。该系统组合使用3种软件升级方式，可基本满足各种不同软件的升级需求。

关键词: VxWorks嵌入式系统, 远程在线软件升级, 动态升级

Abstract: A single software upgrade method can hardly meet the upgrade requirements of all software. A variety of software upgrade methods’ advantages, disadvantages and applicable situations are analyzed. A remote online VxWorks software upgrade system is designed, principle and implementing method of dynamic software update are discussed. Some design approaches to improve upgrade reliability are introduced. The realization of the system is described. The system uses in combination three software upgrade methods, it can basically meet the upgrade requirements of various software.

Key words: VxWorks embedded system, remote online software upgrade, dynamic upgrade

中图分类号: 

• TP311