ucosII书，希望大家都免费共享，不然实在是头疼！

本文从VoIP相关知识入手，介绍了IP电话的软硬件结构设计及实现方案，并描述了IP电话基于SIP的呼叫流程，并通过设计杂项的方式详细描述了系统中的几个关键点。内容仅供大家参考，更详细内容可参见源代码，源代码是最好的老师。-In this paper, starting from the VoIP-related knowledge, introduction of IP telephony hardware and software design and realize the structure of the program, and describes the IP phone based on SIP call flow, and through the design of miscellaneous manner described in detail the system of several key points. Content for your reference, more details can be found in the source code, source code is the best teacher.

C语言编程常用技巧-C programming language commonly used techniques

对学汇编的同学非常有用的! 8088 汇编速查手册-compiled for school students very useful! Check manual compilation 8088

经典编程语言的学习教材，非常的有用，值得反复研读-Classical programming language learning materials, very useful and worth reading again

TFT LCD液晶显示器的驱动原理_01.pdf-TFT LCD

vc++ 技术内幕(第四版),听说一般,不过也是大师写的-vc Technology Insider (fourth), I heard that the general, but also to write the master

讲解如何文件系统的原理和如何构建一个文件系统-Explain how the principles of the file system and how to build a file system

来源于在接受西门子plc200 培训时候的课件，内容简单易懂，能轻松入门。适合初学者，及巩固的人，还有用于考工的，中级工。

以TMS320C31为例介绍DSP的工作原理及其开发应用等方面的内容-TMS320C31 as an example to introduce the working principle of DSP applications and the development of content

很好的书籍，空时编码和mimo系统。介绍很详细-Good books, space-time coding and MIMO systems. Detailed introduction