一个dll演示代码 用于串口通信的。 类似于工控的驱动

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.

260 ad采样-260 sampling ad

为什么传一个文件都这么烦了,人都傻了!为什么传一个文件都这么烦了,人都傻了!-Why is a mass of documents are so annoying, people are stupid! Why Chuan a file are so annoying, people are stupid!

check if COmPort is Available

从编程实践的角度详细介绍windows环境下和dos环境下的串口通信的基本方法- In detail introduces under under the windows environment and the dos environment string mouth correspondence essential method from the programming practice angle

verilog描述的uart发射端功能实现-verilog described uart transmitter functions

一个用于台湾产的采集器的编译器及我自己做的一些实例代码，还有中文帮助文件若干。可以用于有需要的下载交流。-Taiwan for producing a collection of compiler and I made some examples of code, there are a number of Chinese help files. It can be used to download the necessary exchange.

本程序为串口调试软件很好的。可以传送TXT文件，和HEX文件，还可以自动发送。-procedures for the Serial debugging software very well. Can send TXT documents, and HEX files and also automatically send.

自编的串口通信程序，支持一些简单命令-self serial communication program to support some simple orders

51单片机作为主站的MODBUS通信协议，可实现读写从站寄存器的值 -51 MCU as the main station MODBUS communication protocol can realize the value of register read and write from the point