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本文设计完成的是一款基于ARM平台的电子海报系统的设计。此设计可以实现U盘自动挂载,并从U盘中获取电子海报(即图片),同时通过进程通信实现图片信息的发送和接收。在接收到图片之后可以通过Libjpg进行解压,并通过Framebuffer进行显示。此设计可以实现多张电子海报的多效果展示,音乐的播放,以及不同类型显示屏的显示等功能,是新媒体的典型应用之一。
This article is designed to complete an electronic poster system based on ARM platform design. This design can automatically mount the USB flash drive and obtain the electronic poster (ie, picture) from the USB flash drive, and at the same time, send and receive the picture information through the process communication. After receiving the picture can be extracted by Libjpg, and through the Framebuffer display. This design can realize multiple effects display of multiple electronic posters, playing of music, display of different types of display screens and other functions, which is one of the typical applications of new media.