C#串口通信實(shí)例

C#串口通信實(shí)例界面程序：注：Parity/databits/stopbits選擇需用戶自行添加代碼。namespaceWindowsFormsApplication1{publicpartialclassForm1:Form{publicForm1(){InitializeComponent();}publicSerialPortserialPort;publicstaticstringByteToString(byte[]InBytes){stringStringOut="";foreach(byteInByteinInBytes){//StringOut=StringOut+String.Format("{0:X2}",InByte);//DisplayforHexStringOut=StringOut+(char)InByte;//DisplayforASCII}returnStringOut;}privatevoidForm1_Load(objectsender,EventArgse){SendBt.Enabled=false;string[]ports=SerialPort.GetPortNames();Array.Sort(ports);Ports.Items.AddRange(ports);Ports.SelectedIndex=0;baudrate.Items.Add("9600");baudrate.Items.Add("19200");baudrate.Items.Add("38400");baudrate.Items.Add("115200");baudrate.SelectedIndex=0;}privatevoidPortOpen_Click(objectsender,EventArgse){if(PortOpen.Text=="Open"){serialPort=newSerialPort();serialPort.PortName=Ports.Text;serialPort.BaudRate=int.Parse(baudrate.Text);serialPort.Parity=Parity.None;serialPort.DataBits=8;serialPort.StopBits=StopBits.One;if(serialPort.IsOpen){serialPort.Close();}try{serialPort.Open();}catch(ExceptionEx){ErrInfo.AppendText(Ex.ToString());}if(serialPort.IsOpen){Errlnfo.AppendText("串a(chǎn)?口"彳打f°開(kāi)a成"[功|!e?\n");PortOpen.Text="Close";SendBt.Enabled=true;TimeReciev.Enabled=true;}else{serialPort.Close();PortOpen.Text="Open";Errlnfo.AppendText("串a(chǎn)?口"彳關(guān)？閉A?!e?\n");SendBt.Enabled=false;TimeReciev.Enabled=false;}}privatevoidSendBt_Click(objectsender,EventArgse){serialPort.Write(SendString.Text);}privatevoidTimeReciev_Tick(objectsender,EventArgse){intcount=serialPort.BytesToRead;byte[]recievedbuffer=newbyte[count];serialP