realized Modbus RTU communication protocol COM

8052串口驱动--(包括波特率计算,以及几个内存查看的shell命令)-8052-- (including baud rate, and several memory access to the shell commands)

通讯软件 Rs232 数据采集 Sql2000数据库-Communication software Sql2000 database Rs232 Data Acquisition

这是关于ＭＳＣＯＭ的程序　　用Ｃ语言和ＶＢ编程的希望对大家有点用-This is the procedure of EMS C language and Visual Basic programming you want to use a bit

手机多串口编程的资料： 多串口协议GSM0710的各种文档以及参考代码。 0. Readme.txt 本文档 1. 710MUX 源代码，微软MUX驱动模板 2. E901Mux 源代码，E901手机实际运行的MUX驱动 3. mux 一款参考源代码 4. 3GPP-0710.doc 3GPP的多串口协议文档 5. GSM0710_Version7.0.0.pdf GSM07.10 协议规范（英文） 6. GSM0710中文版.doc 本人对GSM0710_Version7.0.0.pdf的翻译 7. NXP_MuTa_SyUM.pdf NXP对MUX部分的介绍（Part2 and Part3 ） 8. gsm0710.c 一份参考源代码 9. gsm0710.jpg 协议的简要流程图 10. gsm0710总结.txt 简单的总结 11. request.dat 请求的数据原样 12. request.txt 对请求数据的分析 13. reply.dat 响应的数据原样 14. reply.txt 对响应数据的分析-mux GSM0710 doc and source code.

sle4442 ic卡读写程序，能够实现在串口通信的条件下，对ic卡进行读写。-procedures sle4442 ic card reader, can be achieved in the serial communication conditions, for ic card reader.

在VB下对串口COMM控件编程和发机制进行了详细地设计，同时可以为串口调试用，不失为一个好工具。习惯于VB编程的朋友可以CC一下了。-in VB Serial COMM under the control programming and the mechanisms to perform detailed design, while it used to debug serial port, is a good tool. Accustomed VB CC friends out.

这是我给一个做射频卡的公司做的小程序，主要是将数据同时写入PRR8031芯片和数据库，包括一些数据类型转换、生成序列号等内容-This is what I do for a radio card companies do small procedures, the data is also written into the PRR8031 chips, and databases, including some data type conversion, such as serial numbers generated content

两机通信，用C++Builder实现的两机通信系统，可以传输*.txt文件阿！-two machine communications, C Builder of the two aircraft communications system that can transfer*. txt file A!

这是本人所编的串口传数据的程序，经测试能用，希望大家给于指导-This is my series of mass serial data procedures, have been tested can be, I hope to everyone in the guidance

SPcomm控件源代码,delphi写的!! 有兴趣的可以研究一下!-SPcomm control source code, delphi write! ! Interested parties can see!