获取当前机器的COM口的数量，包括usb转换的串口-access to the current machinery of the number of COM ports, including USB Serial Conversion

这是一段c51编的一段有关串口通讯的代码-This is a decoder for the series of the serial communications code

研华da采集例程-Advantech da collection routines

kermit protocol 嵌入式系统使用kermit协议,与pc传送文件. 可方便的使用windows 超级终端等.-Kermit protocol embedded systems use Kermit agreement with pc transmission of documents. To facilitate the use of windows Super terminals.

A very usefull aplication for developers that creates a virtual serial ports for debug purposesin order to see the data out or in.

一个功能完全的串口读写程序，里面实现的串口读写类可以方便的复用。-a fully functional literacy Serial procedures inside the serial achieve literacy classes can facilitate the reuse.

visual c6.0实现的窜口通讯，窜口输入输出接受程序简单测试，可以运用到工程中-visual c6.0 I realize the channeling communications, input and output channeling I accept the simple test procedure can be applied to engineering

微机实现异步通信是依靠适配器来完成的，而后者又是以UART芯片，即通用异步收发器芯片为核心构成的。 IBM PC的异步通信适配器使用的UART芯片为INS 8250。 -Computer realize asynchronous communication relies on the adapter to be completed, which in turn is a UART chip, which UART chip at the core composition. IBM PC

一些485通讯芯片的资料。做工控的人一定会用得到。-Some 485 communications chip information. Done IPC person will certainly used receive.

这是我做的关于考勤机的一些测试程序，请大家积极下载，很有帮助。-This is my appraisal done on the plane of some testing procedures, please download positive and helpful.