作者：华清远见嵌入式学院。《Linux设备驱动开发详解》（08&09年度畅销榜TOP50）第18章、LCD设备驱动。在多媒体应用的推动下，彩色LCD越来越多地应用到了嵌入式系统中，掌上电脑（PDA）、手机等多采用TFT显示器件，支持彩色图形界面，能显示图片并进行视频媒体播放。帧缓冲（fr a mebuffer）是Linux为显示设备提供的一个接口，它允许上层应用程序在图形模式下直接对显示缓冲区进行读写操作。本章主要讲解帧缓冲设备Linux驱动的架构及编程方法。-Author: HuaQing vision embedded institute. The Linux device driver development "(08 and 09 sep TOP50) annual list of best-selling chapter 18, LCD device drivers. In the multimedia application to the push of color LCD, more and more applied to embedded systems, handheld computers (PDA), mobile phones and other display device, support the TFT color graphic interface, images and video can show media player. The fr a me buffer (fr a mebuffer) is Linux for a display device provide interface, it allows the upper application in the graph modes for display and direct buffer operation. This chapter covers the fr a me buffer equipment Linux drivers structure and fr a mework of the programming method.