TCH-data-channel

加拿大人发表的关于周跳探测,实现了实时的双频周跳探测和修复(cycle-slipsfromCanada)

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

16位CRC校验原理与算法分析，很详尽，学习CRC16的重要资料。(16-bit CRC checksum algorithm theory and analysis, very detailed and important information to learn CRC16.)

一个基于串口的手机短信发送/接收程序；Demo很简单，是以异步方式读写串口的；在对话框初始化中修改串口的配置参数正确后，能100％的正常发送/接收短信。 (A message based on the serial port of the mobile phone to send/receive process Demo is very simple, based on asynchronous serial reading and writing in the dialog box to initialize the serial port to modify configuration parameters correct to 100 of the normal Send/receive message.)

Sample code in VB.NET for calculate and check CRC (Modbus specification). Supported both string format (like MSComm) and bytes array(like DCB).

MFC写的2个程序，通过socket通信，上下位机的。上位机发送一个名字给下位机，下位机通过查询数据库取得电话号码传回上位机,带详细文档。(MFC write two procedures, through the socket communication, next-bit machine. PC to send a name to the next crew, the next crew by querying the database to obtain the phone numbers return PC)

用于变电所的电力103通信测试的源代码,主要用在工控行业(103 for electricity substation communications test source code, mainly used in the industrial sector)

四方公司CSC300E远动机的程序，里面包括104、101、cdt、disa等规约的代码，要保密！(CSC300EA FOR RTU)

Mamul for connecting 840D SL system by OPC

半导体通讯协议，包含SECS-I SECS-II HSMS GEM讲解(include SECS-I SECS-II HSMS GEM)