检查串口是否联有modem

高级数据链路通信编成-advanced data link communications organization

这是一个用LPC2132作的终端，有通协议源代码和SED1335控制液晶源代码- This is the terminal which does with LPC2132, has passes the agreement source code and the SED1335 control liquid crystal source code

一本很不错的SIMULINK教程，共享给大家-A very good tutorial SIMULINK, share to everyone

实现了CS8900的驱动-Realize CS8900 driver............

用socket实现的server与client，使用c++builder 6.0编译成功。-use socket achieve server and client,used c++builder 6.0 compile successful.

本文在两片采用不同主频的ＰＩＣ单片机（Ａ机时钟频率为６ＭＨｚ，使用口线ＲＢ６；Ｂ机时钟频率为４ＭＨｚ，使用口线ＲＢ４）之间实现异步通讯-In this paper, two different frequency of the PIC Singlechip (A machine clock frequency of 6MHz, the use of the mouth line RB6 B machine clock frequency of 4MHz, the use of the mouth line RB4) asynchronous communication between

用IIR滤波器实现去除信号中的直流分量.用很少的资源实现去除直流分量的功能。-remove the DC vector from the signal。implement the DC removing function using little resource.

VC++编写，通过USB接口实现PC机与单片机的数据收发-VC preparation, adoption USB PC and SCM data transceiver

一个串行口通讯的例子程序-An example of serial port communication program

一个文件传输的程序-a file transfer procedures