5.1软硬件通信的基本方式 基于.Net的工控机，串口通信示例： /在某个类中创建SerialPort串行端口资源对象 var serialport new SerialPort() PortName ="COM2", BaudRate =9600 Parity Parity.None, DataBits =8, StopBits StopBits.One, ReceivedBytesThreshold =1, DataReceived +SerialDataReceivedEventHandler(Receive), } 当操作系统收到数据时，将调用Receive基于 .Net 的工控机，串口通信示例： 5.1 软硬件通信的基本方式 //在某个类中创建SerialPort 串行端口资源对象 var serialport = new SerialPort() { PortName = "COM2", BaudRate = 9600, Parity = Parity.None, DataBits = 8, StopBits = StopBits.One, ReceivedBytesThreshold = 1, DataReceived += SerialDataReceivedEventHandler(Receive), }; 当操作系统收到数据时，将调用Receive