摘要
提出基于ARM-Linux系统的矩阵键盘实现方案,改良原N×N矩阵方式设计为N+1方式,分别从硬件和软件的角度详细介绍方案的实现过程,并着重阐述ARM-Linux下字符设备驱动程序的编写,针对键盘串扰问题提出解决方法,用于实践。
This paper proposes an implementation scheme of the matrix keyboard improving the original NxN matrix design to N＋I matrix design based on ARM-Linux system,and the implementation processes of this scheme are also introduced from hardware and software aspect respectively.The design of character device driver under ARM-Linux system and the solution for keyboard crosstalk issue are detailed explained in the paper.
出处
《工业控制计算机》
2014年第2期112-113,共2页
Industrial Control Computer
