一种嵌入式系统的升级固件自校验方法  

A Self-verification Method of Firmware Upgrade for Embedded System

作　　者：陈良勇 王丹丹 Chen Liangyong;Wang Dandan(Beijing Ruiqi Haodi Technology Co.,Ltd.,Chengdu 610000,China;Unit 32620 of the People's Liberation Army)

机构地区：[1]北京瑞祺皓迪技术股份有限公司,成都610000 [2]32620部队

出　　处：《单片机与嵌入式系统应用》2023年第10期16-18,共3页Microcontrollers & Embedded Systems

摘　　要：阐述了当前嵌入式系统固件升级中对固件数据进行校验和匹配校验的方法,并对实际工程应用中存在的一种缺陷进行了分析,针对这种缺陷提出了一种将校验信息编译进固件内部指定地址的方法,通过使用这种方法能够避免该缺陷,并能在升级过程中提前判断固件是否匹配,提高了升级效率。In the paper,the method of checking and matching the firmware data in the current firmware upgrade of embedded system is introduced,and analyzes a defect existing in practical engineering application.Aiming at this defect,this paper puts forward a method of compiling the check information into the specified address of the firmware itself,which can avoid the defect.In addition,it can determine whether the firmware matches in advance during the upgrade process,which improves the upgrade efficiency.

关 键 词：嵌入式系统 升级 固件校验 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]