PLCchengxudaijiansugongneng

串口调试助手，适合做串口通讯的人员使用。VB.NET编程。(vb.net serial debug for usart comm.)

可以向串口发送数据，或从指定串口接收数据　VC源码-基础编程-源程序代码免费注册下载(Can send data to a serial port, or from specified serial ports receive data source-basic programming VC-source code downloaded free registration )

说明：  1 button device with bascom avr

此程序实现了对串口输入的ADC数据和温度数据的实时曲线图显示。(This program realizes the serial input of the ADC data and temperature data in real-time graph display.)

vC++做上位机实现串口通讯，符合RS485通信协议(vC++ do PC Serial communication line RS485 communication protocol)

实现串行通讯的相关API函数 API函数不仅提供了打开和读写通讯端口的操作方法，还提供了名目繁多的函数以支持对串行通讯的各种操作。 函数名 作用 CreateFile 打开串口 GetCommState 检测串口设置 SetCommState 设置串口 BuilderCommDCB 用字符串中的值来填充设备控制块 GetCommTimeouts 检测通信超时设置 SetCommTimeouts 设置通信超时参数 SetCommMask 设定被监控事件 WaitCommEvent 等待被监控事件发生 WaitForMultipleObjects 等待多个被监测对象的结果 WriteFile 发送数据 ReadFile 接收数据 GetOverlappedResult 返回最后重叠（异步）操作结果 PurgeComm 清空串口缓冲区,退出所有相关操作 ClearCommError 更新串口状态结构体,并清除所有串口硬件错误 CloseHandle 关闭串行口()

串口大师的源码程序,c语言。学习串口或者是学习c都是很好的例子。(the sourcecode of the comm communication)

经典VC++环境下从串口读取数据并实时绘制曲线图(Read data from the serial port classical VC++ environment and real-time rendering graph)

串口通信处理的多个线程需要协调运行，一个线程必须等待另一线程结束才能开始，在处理一个线程的同时必须把其余待处理的线程挂起等待，以减少其余待处理线程对CPU的资源占用，正处理的线程一旦处理结束则通过线程间的通信发出信号来击活被挂起的线程中的一个线程进入处理。(Serial communication processing necessary to coordinate multiple threads running, a thread must wait until the end of the beginning of another thread in a thread at the same time deal with the need to deal with the rest of the thread to be suspended waiting for in order to reduce the remaining lines to be processed way of CPU resources occupation, is the thread once the deal by the end of treatment inter-thread communication signal to hit live thread was hang a thread into the handle.)

vc6.0 使用NTGraph控件 读取串口数据后画出波形图(vc6.0 use NTGraph read serial data control to draw waveforms)