MFC windows下的串口通讯程序，很像串口调试助手

sip_rfc2543 标准化文档-sip_rfc2543 standardized documents

用c实现的列车运行情况记录程序，包括gps，键盘，lcd，gprs-train condition recorder by c language，to realise gps，key，lcd and gprs

fd_set参数：一个用于检查可读性（readfds），一个用于检查可写性（writefds），另一个用于例外数据（exceptfds）。从根本上说， fd_set数据类型代表着一系列特定套接字的集合-fd_set parameters : a check for readability (readfds) one could write a check for (writefds) Another exception for the data (exceptfds). Fundamentally speaking, fd_set data types represent the range of specific set of socket

liblinphone is a high level library to make a SIP phone. This library includes ALL the features of linphone. It is designed to be easy to use, directly from a user interface. -liblinphone is a high level library to make a SIP phone. This library includes ALL the featu res of linphone. It is designed to be easy to use, directly from a user interface.

windows进程通讯的例子，共有三种模式： 共享内存，管道，SOCKET，可以给未接触过的人作为参考-windows example of the process of communication, there are three models : shared memory, pipes, SOCKET. it has not been exposed to people as a reference

设计出的是一个用于通信的FIR滤波器的verilog代码 ，在工程中可以被应用。这是一个50阶的升余弦窗函数滤波器，最带衰减大于50dB，纹波为0.3dB内。

LED显示屏图片,文字,复位控制卡应用及发布改变颜色位置进入方式程序源代码-LED display pictures, text, reset control card application and release into the position change in color mode source code

com通讯源码vc++6.0，供初学者使用

中文RFC文件，无需翻译，对学习很有帮助！

一种重要的P2P路由算法CAN,学习和研究对等网络的路由机制的非常有用的参考资料-An important P2P routing algorithm CAN, study and research on the network routing mechanisms such as a very useful reference for