tslib是专门为触摸屏设备所开发的Linux应用层函数库。1、下载源码。https://github.com/libts/tslib/releases2、拷贝源码到开发环境/home/elf/work目录下解压。elf@ubuntu:~/work$ tar -xvf tslib-1.16.tar.bz2  ...
1.源码下载地址。https://www.ijg.org/files/
2.拷贝jpegsrc.v9b.tar.gz到开发环境/home/elf/work目录下解压。elf@ubuntu:~/work$ tar -zxvf jpegsrc.v9b.tar.gzelf@ubuntu:~/work$ cd jpeg-9b/
3.新建安装目录。elf ...
1.源码下载地址。https://www.ijg.org/files/
2.拷贝jpegsrc.v9b.tar.gz到开发环境/home/elf/work目录下解压。elf@ubuntu:~/work$ tar -zxvf jpegsrc.v9b.tar.gzelf@ubuntu:~/work$ cd jpeg-9b/
3.新建安装目录。elf ...