pxa270下利用mmap函数实现LED控制的函数，直接在用户层操作具体的IO口来控制LED，推荐！...

了解OPENSOUCE 来源，了解linux等一些开原软件对程序远的发展有帮助-OPENSOUCE source of understanding, understanding linux and other procedures to open the original software has helped the development of distant

Linux Kernel中文手册-manual Chinese Linux Kernel

Linux 基本操作指令-4-basic Linux operating instructions-4

将需要公开的接口用一个句柄类封装起来，调用者只通过封装的句柄类来调用实现， 这样，将调用与实现隔离开来，或者说只让调用看到它所需要看到的接口。这样的话，只要 保证接口不变，那么实现代码的中要添加一些变量，函数，将不会影响到调用者。-will require an open interface with a handle Packaging category, called only by the Packaging category to handle Call, which would call and to achieve separation, or call only need to see it to see the interface. So, as long as the guarantee the same interface, then the realization of the code necessary to add some variables, function and will not affect the person to call.

用于进程间通信的unix域socket使用示例，同时包含了对通信效率的计时。-For inter-process communication using unix domain socket example, at the same time contains the time of the communication efficiency.

GNUAssembler的说明-GNUAssembler explanation

数据库算法源代码，一本关于uCOS-II的经典教程，特别适合嵌入式系统开发的人员-database algorithm source code, an on uCOS-II classic handbook, particularly for embedded systems development staff

LINUX下USB驱动程序的开发，适用于操作系统课程设计等。-LINUX under the USB driver development, applicable to the operating system, such as curriculum design.

FIC8120 方案 FA-ICE_insta-FIC8120 program FA-ICE_insta

standard libarary source code of XML .-standard libarary source code of XML.