基于uClinux的触摸屏驱动程序设计  

Design of Touch-Screen Driver Based on uClinux

作　　者：王飞[1] 刘建群[1] 刘绿山[1] 李仕勇[1] 

机构地区：[1]广东广州东风东路729号广东工业大学机电工程学院,510090

出　　处：《微计算机信息》2007年第03Z期81-83,共3页Control & Automation

基　　金：广东省自然科学基金资助项目;项目编号:032484

摘　　要：本文简述了触摸屏硬件控制电路及其工作原理,详细分析了触摸屏控制芯片(ADS7846)和SPI总线的工作原理,并对LPC2210与ADS7846之间的通信过程进行了具体介绍。重点论述了uClinux下驱动程序的结构,并结合触摸屏硬件控制平台给出了触摸屏驱动程序设计的详细开发过程。This thesis introduces the Touch-Screen controlling circuit and its principle,analyzes detailedly the principle of Touch- Screen controlling chip and SPI bus ,and gives the specific introduction about the communication between LPC2210 and ADS7846. The driver architecture based on uClinux are discussed emphatically.And combining the Touch-Screen controlling platform,the detailed developing process of Touch-Screen driver is offered in this paper.

关 键 词：触摸屏 UCLINUX SPI 驱动程序 

分 类 号：TP316[自动化与计算机技术—计算机软件与理论]