GUI代码,用与实现相关GUI的功能,如有需要即可自由下载!-GUI code, use and implementation of GUI-related functions, if necessary you can free download!

This book provides a ‘hardware-free’ introduction to embedded software for people who: 1.Already know how to write software for ‘desktop’ computer systems. 2.Are familiar with a C-based language (Java, C++ or C). 3.Want to learn how C is used

pos开源系统源码，详细注释，系统过程明确，java代码，可应用于嵌入式linux。-free java code for pos.It can use at embeded linux.