基于μC/OS-II的数字量输入检测方法  

Digital Input Detection Based on μC/OS-II

作　　者：吴亮亮[1] 楼佩煌[1] 钱晓明[1] 张炯[1] 

机构地区：[1]南京航空航天大学机电学院,江苏南京210016

出　　处：《工业控制计算机》2009年第12期21-22,共2页Industrial Control Computer

摘　　要：为了避免数字量检测软件滤波造成的系统阻塞,借助μC/OS-II时钟中断和事件标志设计了一种数字量输入检测方法。给出了该方法的技术原理和特点,详细介绍了数字量检测的软件实现。该数字量检测方法不阻塞系统,易实现、功能全。In order to avoid system blocked which is caused by software filter in digital input detection,a new method of digital input detection is designed by the clock tick and flag group in μC/OS-Ⅱ.The principle and characteristics are proposed and the software implementation is analyzed emphatically in this paper.It＇s easily to realize the multi-function method without system blocked.

关 键 词：数字量检测 软件滤波 按钮检测 

分 类 号：TP368.12[自动化与计算机技术—计算机系统结构]