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串行口是计算机一种常用的接口，具有连接线少，通讯简单，得到广泛的使用。常用的串口是RS-232-C接口(又称EIA RS-232-C)它是在1970年由美国电子工业协会(EIA)联合贝尔系统、调制解调器厂家及计算机终端生产厂家共同制定的用于串行通讯的标准。它的全名是"数据终端设备(DTE)和数据通讯设备(DCE)之间串行二进制数据交换接口技术标准"该标准规定采用一个25个脚的DB25连接器，对连接器的每个引脚的信号内容加以规定，还对各种信号的电平加以规定。传输距离在码元畸变小于4%的情况下，传输电缆长度应为50英尺。 　　Linux操作系统从一开始就对串行口提供了很好的支持，本文就Linux下的串行口通讯编程进行简单的介绍.-computer serial port is a common interface, with connecting lines, simple communications, to be widely used. It is commonly used serial RS-232-C interface (also known as the EIA RS-232-C) it is in 1970 by the American Electronics Industry Association (EIA) Joint Bell System, a modem manufacturers and computer terminal manufacturers developed for serial communication standards. Its full title is "data terminal equipment (DTE) and data communications equipment (DCE) between serial binary data exchange interface technology standards," the use of a standard 25 feet to the DB25 connector, the connector pin of each signal content requirements, but also the right signal--

串口编程的是反例子，可用于测试你的串口通行-anti-examples can be used to test your serial port access

电子警察拍照管理系统，简单易用，源码开放，可以自己扩充方便。-electronic management system, easy to use, open source can facilitate their expansion.

串口通信控件，主要用户串口的数据输入输出，modem通信等-Serial communication control, the primary user of the serial data input and output, modem communications

计算机串口调试的小程序，可以监测串口的RTS,DSR活动-Computer serial port debugging applets, you can monitor the serial port of the RTS, DSR activities

IIC_slave硬件的代码，已经经过FPGA验证-IIC_slave hardware code, and has been verified through FPGA

PL2303 driver , usb to serial driver for mobile phones

接收程序: 与发送程序合作实现两台计算机的串口通信，但只能正确接受英文字母和数字，界面为VC标准视图-reception : Send procedures and cooperation to achieve the two computer serial communications, but only the right to accept English letters and numbers, interface standards for VC View

向串口发送数据，在从串口接数据，需要注意的是把2、3脚短路。-to send data from the serial data access, it needs attention is 2,3 feet short.

用 VB 写的对云台进行控制，主要用于监控系统的云台控制-VB wrote to the pan-tilt control, mainly for the Monitoring System Console Control