STM32的Flash轻量级坏块管理算法设计与应用  

Design and Application of Flash Light-weight Bad Block Management Algorithm Based on STM32

作　　者：李露 谢映宏 许永军 李蔚凡 Li Lu;Xie Yinghong;Xu Yongjun;Li Weifan(CYG SUNRI Co.,Ltd.,Shenzhen 518057,China)

机构地区：[1]长园深瑞继保自动化有限公司,深圳518057

出　　处：《单片机与嵌入式系统应用》2021年第8期40-43,共4页Microcontrollers & Embedded Systems

摘　　要：为解决配网终端Flash文件管理耗用资源大、使用寿命短、数据存储效率低的问题,设计出一种基于坏块标记法的轻量级管理算法。该算法采用软件编程,抛弃了高硬件资源和复杂的Flash文件管理系统依赖,快速实现了轻量级坏块管理、掉电存储功能。经过软件测试及配电终端故障指示器汇集单元验证,此算法使得Flash的成本降低20%,有效寿命提高80%,数据存储效率提高20%。In order to solve the problem of large resource consumption,short lifespan and low data storage efficiency in distribution network terminal about Flash file management,a light-weight bad block management algorithm is designed.The algorithm that used the software programming abandoned the high hardware resources and complex dependence on Flash file management system,and quickly realizes the light-weight bad block management and data storage when power is down.After software test and verification of device,the algorithm can reduce the cost of Flash by 20%,increase the lifespan by 80%,and improve the data storage efficiency by 20%.

关 键 词：配网终端 FLASH 轻量级 坏块管理算法 STM32 

分 类 号：TN919.3[电子电信—通信与信息系统]