udp echo server and client use them they r working fine

at91r40008 atmel arm 7tdmi 内核的串口驱动源码-at91r40008 ATMEL arm 7tdmi kernel source Serial Driver

modbus 协议 中文版本-Chinese version of Modbus protocol

在XWindows下使用打印机界面发送传真 -Using printer interface to send fax in Xwindows

vc网络视频电话系统,经过测试，稳定性有时会有问题，但通话质量相当好，而且可用于无线网络，欢迎大家测试！-vc network video phone system, tested, stability sometimes, but the call quality is very good, but can be used for wireless network, we welcome testing.

移动通信中f8f9两种机密算法与完整性算法的运行速率测试程序VC++实现-Mobile Communications f8 9 confidential algorithms and the integrity of the two algorithms run rate test procedure VC++ Realize

vc写的一个终端程序，可支持telnet和串口，标准终端协议。功能很全，且运行稳定。-vc write a terminal program, to support telnet and serial, standard terminal agreement. All very functional, and stable operation.

一个mp3的编码和解码的源程序，可以了解到mp3的编解码原理-a program of coding and decoding mp3, you can know how mp3 codes from it.

101和104协议详细资料，讲的很通俗易懂。

支持多客户端的消息传递工具VB程序源码，推荐下载！-support multi-client messaging tools VB program source code, download!

这是一本介绍WCDMA的书籍，很经典，一起分享。-This is an introduction book WCDMA, it is a classic share.