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嵌入式系统外部易失性存储器高可靠性存储与诊断方法
Alternative TitleEmbedded system external non-volatile memory high reliability data storage and diagnosing method
于海斌; 曾鹏; 徐皑冬; 闫炳均; 宋岩; 王志平; 胡波; 王锴; 孙俊男
Department工业控制网络与系统研究室
Rights Holder中国科学院沈阳自动化研究所
Patent Agent沈阳科苑专利商标代理有限公司 21002
Country中国
Subtype发明授权
Status有权
Abstract本发明涉及嵌入式外部易失性存储器高可靠性存储与诊断方法。本发明首先将数据存储区域分为数据区域和数据备份区域,CPU将数据区域和数据备份区域分别按地址平均分为8部分,按顺序对数据区域部分进行诊断;在诊断的过程中,先将一部分数据区域数据拷贝到相应的备份区域中,再对数据区域进行数据诊断,诊断结束将备份区域数据拷贝回相应数据区域;本发明诊断程序运行在系统空闲时间,可以把主控制器从繁重的存储器的诊断程序中解放出来,和传统的诊断方法相比,主控制器运行开销比较小,主控制器利用率比较高。本发明能够方便实现程序运行空间的切换,不需要动态更改程序的运行空间,程序设计简单,减少了程序运行空间动态变换产生的故障。
Other AbstractThe method involves averagely dividing RAM storage area into a diagnosing area and a backup area. Data diagnosis program is executed. Certain diagnosis area is diagnosed by a microcontroller unit (MCU). Data of the diagnosis area is stored in the backup area. Data of the backup area is stored in the diagnosis area after finishing data diagnosis process. Normal operation program of the MCU is respectively divided into a data copy program, a data diagnosis program and a user application program corresponding to different threads.
PCT Attributes
Application Date2015-11-27
2017-06-09
Date Available2019-09-06
Application NumberCN201510864079.7
Open (Notice) NumberCN106815101B
Language中文
Contribution Rank1
Document Type专利
Identifierhttp://ir.sia.cn/handle/173321/25603
Collection工业控制网络与系统研究室
Affiliation中国科学院沈阳自动化研究所
Recommended Citation
GB/T 7714
于海斌,曾鹏,徐皑冬,等. 嵌入式系统外部易失性存储器高可靠性存储与诊断方法[P]. 2017-06-09.
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