[1]王彬 李文新 李得天 刘礼.通过看门狗软件设计提高抗干扰能力的方法[J].计算机技术与发展,2012,(10):188-190.
 WANG Bin,LI Wen-xin,LI De-tian,et al.Research to Improve Anti-interference Technology of Embedded System by Watchdog Software Design[J].,2012,(10):188-190.
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通过看门狗软件设计提高抗干扰能力的方法()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2012年10期
页码:
188-190
栏目:
安全与防范
出版日期:
1900-01-01

文章信息/Info

Title:
Research to Improve Anti-interference Technology of Embedded System by Watchdog Software Design
文章编号:
1673-629X(2012)10-0188-03
作者:
王彬1 李文新1 李得天1 刘礼2
[1]兰州空间技术物理研究所[2]兰州大学信息科学与技术学院
Author(s):
WANG Bin LI Wen-xin LI De-tian LIU Li
[1]Physical Institute of Lanzhou Space Technology[2]School of Information Science & Engineering, Lanzhou University
关键词:
看门狗嵌入式系统堆栈单片机
Keywords:
watchdog embedded system stack SCM
分类号:
TP309
文献标志码:
A
摘要:
在基于80C32单片机的嵌入式系统中,软件在运行时,可能由于硬件电路的干扰,造成软件的异常跳转,从而形成非设计的软件死循环,从而导致软件跑飞,功能失效。为了解决类似这样的问题,提高嵌入式系统的抗干扰能力,文中在对具体实例进行了相关原因的分析后,通过一种看门狗软件设计方法,来尽可能的在系统发生错误时,将软件运行至陷阱,然后通过看门狗对系统进行复位。通过实验验证,该方法能够大大提高系统的可靠性,从而最大地抑制由于硬件干扰问题带来的软件异常
Abstract:
Infinite loop, which form a non-designed software based on the 80C32 microcontroller embedded software system during operation, may be due to the interference of the hardware circuit, caused by a software exception jump, resulting in runaway software malfunction. To solve this problem to improve the anti-interference of the embedded system, after analyzing the relative masons of specific instance,the software is run into trap by watchdog software design when the system error is occurred as much as possible,then the system is reseted through watchdog. The experiment shows that this method improves greatly the reliabilty of the system,inhibiting the software exception due to hardware interference

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备注/Memo

备注/Memo:
甘肃省自然科学基金青年项目(1007RJYA010)王彬(1980-),男,软件系统分析师,博士,研究方向为电子技术在空间中的应用;李文新,博士生导师,研究员,研究方向为网络传输、现场总线技术
更新日期/Last Update: 1900-01-01