如何模拟读串口RS232数据通过Visual Basic

C++ Builder 编的采用API函数多串口通讯源码,系本人在开发门禁控制器管理软件时曾编过的,希望对有这方面的要求的朋友有帮助-C++ Builder made the adoption of multi-function serial communications API source code, the Department of I in the development of Access Controller management software had been made, and they hope to have this requirement has to help a friend

delphi入门基本程序,包括OPC的通用协议,在这个基础上进行各个厂家的设备的数据采集-basic entry procedures, including the OPC common agreement on the basis for all manufacturers of the equipment data acquisition

本程序是用COstas环跟踪信号的处理过程，具有较好的跟踪性能，-This procedure is used Costas loop tracking signal processing, has a good tracking performance,

类似ICQ源代码 用VB编写的 分为服务端和客户端两个部分 -ICQ similar source code written using VB into service client and the client in two parts

一个不错的modem通信的例程，给大家看一下。-a good modem communications routines for everyone to look at.

0. Install the rp-pppoe-software -------------------------------- You should have already done this by the time you re reading this. If not, go back and read README. 1. Set up your Ethernet hardware -------------------------------- First, make sure the Ethernet card you intend to use with the modem is visible to the Linux kernel. Just how to do this is beyond the scope of this document. However, if the card is the only Ethernet card in the system, executing: ifconfig eth0 should display something like this: eth0 Link encap:Ethernet HWaddr 00:60:67:62:31:D4 plust some more lines. Your HWaddr will be different. As long as you see the HWaddr line, your card should be working. DO NOT assign an IP address to the Ethernet card. DO NOT configure the card to come up at boot time.-0. Install the rp- PPPOE-software-------------------------------- You should have al ready done this by the time you re reading this. I f not, go back and rea

ssl加密通信的客户端和服务端程序，包括安全证书的认证（linux）-ssl encrypted communications client and server-side procedures, including safety certificate authentication (linux)

串口读写操作的 cvi例程 比较详细 是一个工程化的程序-Cvi serial read and write operations is a more detailed routine engineering procedures

对原始的 ALOHA 协议的改进是"时隙 ALOHA"，介绍了离散的时隙，并增加最大的吞吐量。一个站可以发送只有初时隙和因而减少碰撞事故。在这种情况下，我们只需要对传输尝试 1 帧时间内不连续 2 帧-次，担心，因为在每个时隙期间只能发生碰撞。

软件狗服务程序，软件狗是用于检查用户权限和license使用是否经过授权-dog software services, software, dogs are used to check user privileges and license the use of it has been authorized