realized Modbus RTU communication protocol COM

串口调试程序，是用Ｃ＋＋　ＢＵＩＬＤＥＲ开发的，并用了窗口渐变-Serial debugger, is to use C BUILDER developed and used a window Gradient

eVC下操作串口提取GPS有效数据1，把文件名字后缀.rar去掉即可，不用解压缩。-operate under serial data from a GPS effective, the document name suffix. Rar can be removed without decompression.

basic driver for RS232

C语言通讯程序库DOS版,支持10个115200波特率的通讯口-C language library DOS version of the communication process to support 115200 baud rate of 10 communications port

串口通信，写成dll便于参阅-serial communication, written dll ease of reference

WL013开发板，串口通信详细例程，含软件流程框图，c源程序、asm源程序等!适合初学者学习！-WL013 development board, serial communication detailed routines, including software flow chart, c source. asm2 source, etc.! for beginners learning!

参加一竞赛的程序(我负责的部分)，包括STH11温湿度传感器的驱动，一般模拟传感器的串口通信-participate in a contest (my part), including STH11 temperature and humidity sensor-driven, Sensor Simulation general Serial Communication

RS232串口是非常有用的单片机串行通信调试器，编写的C源代码

利用西门子的GSM芯片（TC35）的手机模块实现短信的读写，该手机模块可以加入SIM卡，然后就跟手机一样使用了，程序可以通过串口进行控制-The programme use GSM CMOS chip(TC35) module to read and write short message, you can insert SIM card into this module, then it can work as ordinary Mobile phone,the programme can control the module through com port.

vc++编写的adu812下载程序源码，多线程，串口通信-vc prepared adu812 download source, multi-threaded, serial communication