ldpc-min-sum

PLC动态库 vb编程 支持s7-1200(PLC Dynamic Library Support s7-1200)

vc++串口通信 ，可以实现两个串口之间发送字符串(vc++ serial communication between two serial ports that can send a string)

OPC Client和OPC Server的工具和一些帮助，(OPC Client and OPC Server tools and some help)

this document gives the basics of gprs concepts in gerat detail

使用MFC编写的windows环境下的串口操作工程模板(Serial port operation project templates written using MFC windows environment)

使用NMEA0183的gps服务程序原码(use of a GPS NMEA0183 service program source)

朋友写的C++645通讯程序，支持645-1997与645-2007,支持自已组帧程序自动添加校验码通讯，可以增加数据标识定义，里面还有部分关于费控通讯代码，挺好，拿来分享(Friend write C++645 communications program to support the 645-1997 and 645-2007, to support their own group the frame program automatically adds the checksum communications, can increase data identifies the definition, there is also a section on the fee control communications code, good for them and share)

有客户端的聊天软件，可实现网络通讯，对于了解网络编程有帮助(A client chat software, network communications, network programming help for understanding)

北斗卫星接口文件 北斗卫星导航系统 空间信号接口控制文件 （测试版） (Beidou satellite interface file Beidou satellite navigation system space signal Interface Control Document (Beta))

IEC60870-5-103通信规约的从站模拟软件，可以模拟一个采用单片机驱动的继电保护设备，自动向主站程序上送数据并响应主站数据的数据问询请求，并有可选择的状态变位和扰动数据进行上送(IEC60870-5-103 communication protocol slave simulation software can simulate a single-chip computer-driven protection equipment, automatic procedures to send data to the master station and respond to data inquiries master data requests, and there is an optional state displacement and disturbance data sent)