用于在线仪表的 modbus,仅供参考，

rs232编程原理详解， 不可多得的一本好书 做硬件开发必须-Detailed programming rs232 principle, rare books to do a hardware development to be

计算机接口技术系列 Visual C++串口通信技术与工程实践 在编译本章程序后，请将winio.dll、winio.vxd和winio.sys文件复制到可执行文件所在目录下, 否则WinIo库初始化函数initializeWinIO调用将会失败。-computer interface technology Series Visual C serial communications technology and engineering practice in compiling this chapter procedures, I would be grateful if winio.dll, winio.vxd winio.sys reproduction of documents and executable files to the directory, otherwise WinIo library initialization function initializeWinIO call will fail.

《Visual C++ 串口通信技术与工程实践》（代码）7.1节

plcfx VB开发的串口与三菱PLC通讯源码，超值，搞工控的朋友-plcfx VB Serial communication with the source of Mitsubishi PLC, Value and engage a look at the IPC

一个包含了几乎所有串口操作的源码群，可以根据自己需要改写-1 contains almost all serial-source operating groups, according to their own needs rewriting

AVR 单片机 多路AD转换采集程序，可以实现数据采集-AVR single-chip multi-channel AD converter collection procedures, can achieve3-way data acquisition-Multi-channel AD converter AVR Microcontroller collection procedures, can achieve data acquisition-AVR single-chip multi-channel AD converter collection procedures, can achieve3-way data acquisition

这是一个西门子 ModBus 协议的通讯调试软件。（原码）-This is a Siemens ModBus Protocol communications software debugging. (Original code)

getmywish使用的usb注意：由于用到多串口控制，需要在收到数据时确定是哪个串口来的数据。 下面是串口事件处理函数代码： -getmywish use usb Note : As used Multiport Serial control, the receipt of necessary data to determine which of the serial data. Below are the serial code incident handling functions :

在Windows CE上用串口采集数据并绘制成曲线,适合于数据采集,硬件平台是ARM开发板-在Windows CE上用

DM642 MCBSP UART(DM642 模拟串口源码）-DM642 MCBSP UART (DM642 analog serial source)