航空机载嵌入式软件无线升级技术研究  

Research on Wireless Upgrade Technology for Airborne Embedded Software

作　　者：曾丽君 魏丽 ZENG Li-jun;WEI Li(College of Information Engineering,Nanhang Jincheng College,Nanjing 211156,China)

机构地区：[1]南京航空航天大学金城学院信息工程学院,江苏南京211156

出　　处：《航空计算技术》2018年第6期91-95,101,共6页Aeronautical Computing Technique

基　　金：国家自然科学基金项目资助(U1733122);江苏省高校自然科学研究面上项目资助(17KJB510028)

摘　　要：为方便航空机载设备的嵌入式软件升级与调试,研究了一种基于WiFi的软件无线升级与辅助调试技术方案。分别针对运动控制领域常用的TMS320和STM32系列微处理器,分析了微处理器程序启动引导方式和Flash编程方法。进一步探索并实现了通过串口加载Flash代码的技术方案,设计实现了上位机升级控制软件。技术方案摆脱了软件升级对编程器和有线传输的依赖,适用于航空机载设备乃至其他复杂环境下的嵌入式软件升级。In order to facilitate the software upgrade and debugging for embedded systems,a kind of wireless upgrade and debugging method was studied based on WiFi technology.Since TMS320and STM32series microprocessors are frequently used in motion control field,the booting and Flash programming method were analyzed respectively.Furthermore,the Flash code booting technical scheme via serial communication port was explored and realized.Accordingly,upper computer control software was designed.This technical scheme can get rid of programming device and wire transmission path.It can be further applied to embedded software upgrade in airborne equipment or under other complex environment.

关 键 词：嵌入式系统 软件升级 WIFI 应用编程 FLASH编程 引导加载程序 

分 类 号：TP368.2[自动化与计算机技术—计算机系统结构]