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...

通过USB接口利用多媒体进行数据采集的源程序，通过调试的。-through the USB interface for multimedia data acquisition of the source, through the debugger.

a minimal microcontroller based project to establish a communication on the serial port

本文详细地介绍了在Win32环境下通过调用通信API 函数以异步方式来实现PC机和MCS 51 单片机之间的通信过程给出了软硬件设计机理以及详细的通信协议说明-This article described in detail in the Win32 environment by calling the communication API function in order to realize asynchronous approach to PC and MCS 51 Singlechip give the communication process between the design of the mechanism of the hardware and software as well as detailed description of the communication protocol

楼宇自控系统 希望对各位有用-Building Automation System hope useful to you!

Visual C++串口通信技术与工程实践 随书带的源码-Visual C++ Serial communications technology and engineering practice with the book

优盘进行串口通信源代码,需要的下了-USB to serial communication source code, need a

用于在线仪表的 modbus,仅供参考，-online instrument for modbus connection, for information purposes only, thank you

atmel dataflash driver

串口调试测试文件-Serial debug test file