图形点阵LCD显示控制研究

Study of Dot Matrix LCD Display and Control

图形点阵液晶显示器(LCD)是目前应用最广泛的液晶显示器类型之一。由于有些低端的LCD只提供了驱动程序,而并没有提供应用上的控制算法,本文将从实际应用出发提供通用性强的两种控制算法:左(右)循环位移算法和翻页显示算法,前者应用于广告滚动显示,后者应用于短消息显示。从而为应用此类LCD进行产品开发的工程师提供软件编程方面的参考。

Dot matrix Liquid Crystal Display（LCD） is one of the most widely used types of Liquid Crystal Display devices in nowadays. Because some types of LCD only have driver program but not control program in application,this essay provides two kinds of algorithm for common use,one is l.eft（Right） Cycle Moving applied in commercial display, the other is Pagechanging Display applied in message display. They give engineers who develop their products by I.CD a reference based on softwareprogramming.