VxWorks系统下CF卡中HEX格式文件读写方法研究  

Research on Method of Reading and Writing Document in CF Card Under VxWorks System

作　　者：周勇军[1] 

机构地区：[1]中国人民解放军第5720工厂,安徽芜湖241007

出　　处：《测控技术》2015年第4期109-111,115,共4页Measurement & Control Technology

摘　　要：为修理VxWorks系统下含486处理器板件,迫切需要开展板件Flash器件内部代码读写研究。为此,从系统组成、基本结构以及编程开发方面,对VxWorks系统进行较为全面的诠释,并在此基础上,针对CF卡,对其HEX格式文件进行读写,设计出相应的读写流程框图,给出程序清单,并针对盛博486平台,对所提出的文件读写方法进行实验验证,结果表明其有效性。Research on reading and writing inner code in Flash for the circuit board is a urgent need to repair the circuit board including 486 processor.Therefore,on the base of reviewing systematically from system composition,basic construction and programming development,HEX format document in CF card is read and written.Corresponding flow block diagrams and programming codes for reading and writing HEX format document in CF card are provided.In the end,the method of reading and writing HEX format document in CF is verified aiming at 486 platform for SB company.The results show the effectiveness of the method of reading and writing.

关 键 词：VXWORKS系统 486处理器 软件读写 CF卡 电路板修理 

分 类 号：V243.1[航空宇航科学与技术—飞行器设计]