51单片机的MODBUS的通信协议，学习中。

目录串口通信高级编程提供了一个能够进行串口通信的类，能够方便地进行各种数据通信。-Directory serial communication provides a high-level programming to carry out the type of serial communication, the ability to easily conduct various kinds of data communication.

DOS串口终端程序( 本软件为在DOS下使用超级终端的用户专门设计 功能说明： 1.DOS下使用，功能类似于WINDOWS的超级终端 2.支持COM1，COM2 3.支持波特率2400,4800,9600（缺省）,19200,38400,57600,115200 4.支持Xmodem文件传输协议,,Asm,Com Port -DOS serial terminal program (the DOS software for use in super user terminals designed Description : 1.DOS use, function similar to the Super Windows Terminal 2. support COM1, COM2 3. 2400,4800,9600 support baud rate (default), 19200, 38400,57600,115200 4. support Xmodem file transfer protocol, and programmers. Com Port

串口调试精灵，可以收发ASCII和HEX两种格式的数据，简单实用。-serial debugging genies, TX ASCII and HEX both formats of data, simple and practical.

PLC串口编程,通过RS232和RS485与上位机通讯.-PLC serial port programming, through the RS232 and RS485 communication with the host computer.

SPI读写，通过ＲＳ２３２协议传输！弹片机读写！-err

很多串口调试助手中串口流控的设置都不起作用，该文章讲述了流控的具体设置方法-Assistant in a lot of serial debugging serial flow control settings are not working, the article describes a specific set of flow control methods

一个串口通讯_数据库存取例子程序(vc) 一个串口通讯_数据库存取例子程序(vc).-a serial communications _ examples of database access (vc), a serial communication _ examples of database access (vc).

串口通信的用户协议的编制与数据处理方法 串口数据包处理方法编程实例-Serial Communication user agreement and the establishment of data processing methods serial data packet processing methods Programming Example

Advantech Driver　Demo: Com Port　通过ｃｏｍ来控制输出-Advantech Driver Demo : Com Port adopted to control output com

用C51编写的基于51单片机串口点对点双向通信程序，特点是具有可靠的通信失败检测及信息重发功能。-with C51 prepared by the 51 microcontroller-based point-to-point two-way serial communication program, which is characterized with reliable communication failure detection and re-issued the information function.