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前言在 Linux应用基础中，Framebuffer 驱动程序主要用来控制 LCD。今天带大家来了解一下如何通过 Framebuffer 来编程 LCD。在此之前，我们要先了解一下 Framebuffer 和 LCD。一、了解FramebufferFrame是帧的意思，buffer是缓冲的意思，这意...

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前言本篇文章将会介绍Linux下的Framebuffer编程，这里将会引用到百问网韦东山老师讲的一些知识。一、LCD操作原理在Linux系统中通过Framebuffer驱动程序来控制LCD。Frame是帧的意思，buffer是缓冲的意思，这意味着Framebuffer就是一块内存，里面保存着一帧图像...

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linux/鸿蒙开发(基于IMX6ULL）开发（十三）Framebuffer应用编程

1. Framebuffer应用编程1.1 LCD操作原理在Linux系统中通过Framebuffer驱动程序来控制LCD。Frame是帧的意思，buffer是缓冲的意思，这意味着Framebuffer就是一块内存，里面保存着一帧图像。Framebuffer中保存着一帧图像的每一个像素颜色值，假设L...

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