Design of LCD Driving in Linux Based on ARM11 Embedded System

ZHANG Jia-wei; ZHOU An-dong; LUO Yong

doi:10.3788/YJYXS20112605.0660

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Design of LCD Driving in Linux Based on ARM11 Embedded System

Driving & Controlling | 更新时间：2020-08-12

- Design of LCD Driving in Linux Based on ARM11 Embedded System
- Chinese Journal of Liquid Crystals and Displays Vol. 26, Issue 5, Pages: 660-664(2011)
- 作者机构：
  
  海军工程大学电子工程学院,湖北武汉 430033
- 作者简介：
- 基金信息：
- DOI：10.3788/YJYXS20112605.0660
  CLC： TN27;TP399
- Received：29 March 2011，
  
  Revised：21 May 2011，
  
  Published Online：20 October 2011，
  
  Published：20 October 2011
- 稿件说明：
移动端阅览
张伽伟, 周安栋, 罗勇. ARM11嵌入式系统Linux下LCD的驱动设计[J]. 液晶与显示, 2011,26(5): 660-664

ZHANG Jia-wei, ZHOU An-dong, LUO Yong. Design of LCD Driving in Linux Based on ARM11 Embedded System[J]. , 2011,26(5): 660-664
张伽伟, 周安栋, 罗勇. ARM11嵌入式系统Linux下LCD的驱动设计[J]. 液晶与显示, 2011,26(5): 660-664 DOI： 10.3788/YJYXS20112605.0660.

ZHANG Jia-wei, ZHOU An-dong, LUO Yong. Design of LCD Driving in Linux Based on ARM11 Embedded System[J]. , 2011,26(5): 660-664 DOI： 10.3788/YJYXS20112605.0660.

摘要

对ARM11嵌入式系统Linux下的LCD驱动设计进行了研究

分析了在Framebuffer基础上编写LCD驱动的方法和两种直接读写GPIO的LCD驱动方法

通过测试归纳出3种LCD驱动方法的优缺点。在比较Framebuffer和两种直接读写GPIO的LCD驱动方法优劣的基础上

实现了Framebuffer与直接读写GPIO驱动结合的LCD控制方式。实际应用表明:用该方法控制LCD显示

具有显示速度快、驱动简单、移植性强的优点。

Abstract

The LCD driver in Linux based on ARM11 embedded system was studied. A method of LCD driving design on the basis of the framebuffer

and two methods on the basis of reading and writing GPIO directly were analyzed. The advantages and disadvantages of the three LCD drivers were summarized by testing. A LCD control mode was implemented by combining the framebuffer and direct both reading and writing GPIO driver. The application indicates that this method can obtain following advantages:faster speed

simpler driver and stronger transplantation.

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references

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