基于ucGUI的触摸屏消息流转机制的研究

Research on message flow mechanism of touch screen baded on ucGUI

四线电阻式触摸屏因其使用方便,价格低廉等诸多突出的优点,获得了广泛的应用。ucGUI是Micrium公司开发的通用的嵌入式图形用户界面软件,其最大的优点是体积小,结构清晰,因而特别适用于内存较小的嵌入式系统。ucGUI对触摸屏有良好的支持。本文主要分析在ucGUI下触摸屏消息是如何被识别、传递并进行处理的。

Resistance style touch screen with four wire has many advantages such as easy usage and low price.So it has got widely used.ucGUI is the graph user interface software designed by Micrium Corporation which is applied to embedded system.ucGUI’s most advantages are its small memory occupation and clear structure,so it is specially adapted to embedded system with small memory.ucGUI can support touching screen well.The article mainly analysises how the message is detected,transmitted and treated.