P2PChat_点对点聊天软件

本程序用到GPRS和RS485通信实现主机和从机之间的通信，送用的MCU为MSP430

基于mapx实现地理地图信息系统中的鹰眼图功能，仿vb源码，采用vc实现，新手上路，请多指教-based on Geographic Information System maps of the Hawkeye map function, fake vb source, using vc realized, Getting Started, please enlighten.

各种L2数据网具有不同的通信协议与帧结构，其网络节点设备可以是各种类型的数据交换机（X.25、FR、Ethernet和ATM等分组交换机）；而L3数据网（IP网或internet）具有统一的TCP/IP通信协议和分组结构，全网采用统一格式的IP地址， 节点设备统一采用面向无连接的路由器。为便于理解，我们可以将L3数据网简单地理解为构建在L2数据网平台上的一个路由器网。-L2 data network with a variety of different communication protocol and frame structure, the network node device can be of various types of data switches (X.25, FR, Ethernet and ATM packet switches, etc.) and L3 data network (IP network or internet) have a unified TCP/IP communication protocol and packet structure, the whole network using a unified format for the IP address, node equipment reunification-oriented connectionless router. In order to facilitate understanding, we can L3 data network simply interpreted as a data network built on the L2 platform for a network router.

this program can control tha pll frequencu using a keybad and LCD

一篇关于排队仿真与程序设计的论文，是自己做课程设计的时候收集的，感觉不错-A queuing simulation and program design on paper, is designed to make their own curriculum when the collection of feel good

基于Winsock API的VC网络编程指导文档,非常实用-Winsock API based on the VC network programming guidance document, very useful

中文RFC文件，无需翻译，对学习很有帮助！

用VB编写的,调用C++生成的DLL库,然后颜色反转.-with VB, C called the formation of DLL, and then the color reversal.

ppi协议分析，整理了ppi协议的读写格式，强制IO，一次读多条数据等内容-ppi protol

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