这个是串口通信的，基于停止等待协议编写源程序，欢迎指教...

我所见过用VC写的最好的串口类，具有模拟单片机中断传输的方式，避免了查询传输CPU损耗和接收超时-I have ever seen VC was the best serial category, with simulation SCM interruption of transmission, so that the CPU for transmission and reception of overtime loss

avr atmega8的查询方式的串口通信-avr atmega8 of ways to search for serial communication

手机模块gr47的各种操作源码，包括pdu格式转换等-phone module gr47 the various operational source, including pdu format converter, etc.

用FPGA实现RS232，代码经过测试通过-FPGA implementation using RS232, the code has been tested through

这个文件夹里共3个部分，分别是串口编程与ODBC技术结合，用API函数控制串口和用MSComm控件控制串口。-This folder in a total of three parts, which are serial programming and ODBC technology, using API functions to control serial port and serial port control by MSComm control.

射频卡读写程序,C#版，绝对绝无仅有的，可以读写交通卡，需要读写设备-RF card reader procedures, C# version, absolutely unheard of, the card can read and write traffic, the equipment needed to read and write

rs422串口编程-RS422 serial programming

vc++编写的adu812下载程序源码，多线程，串口通信-vc prepared adu812 download source, multi-threaded, serial communication

很好用的串口通信源码程序（采用中断方式）-very good COM programming souce code(Used interrupt function)

WAPI串口编程示例,用复杂的api函数,实现的串口功能更为强大.-WAPI serial programming examples, the api with complex functions, to achieve the serial function more powerful.