摘要
提出了一种利用键盘接口采集按键、开关输入的方案。该方案介绍了键盘的工作原理及与工控机通信的方法,给出了某显控设备中显控键盘的构成原理框图以及软硬件实现方法。
This paper presents the design proposal of data acquisition from a display panel based on keyboard interface. It mainly describes the working principle of computer keyboard, communication between keyboard and computer. System figure of keyboard simulation, hardware and software also in details.
出处
《工业仪表与自动化装置》
2007年第1期56-58,共3页
Industrial Instrumentation & Automation
关键词
键盘接口
显控设备
通信
keyboard interface
display panel control
communication
