摘要
本文简述了液晶触摸屏控制的硬件电路与接口,介绍了液晶触摸屏触点坐标的获取和实现及在液晶屏上换算的算法,并给出了采用单片机C8051F020控制LCD触摸屏的应用与SPI通讯的软件流程。
This paper introduces the hardware interface circuit for the LCD touch-screen control. The coordinate conversion of the touching positions on the LCD screen is discussed. The flow chart of the SPI communication software of C8051F020 with the LCD touch-screen is also presented.
出处
《自动化技术与应用》
2009年第3期118-120,共3页
Techniques of Automation and Applications
关键词
硬件电路接口
坐标
液晶触摸屏
the hardware interface circuit
coordinate
LCD touch-screen
