CSerialPort串口通讯类

　　串口通讯类
　　可以完成一些基础应用，基础知识看下面链接课程
　　C# 之门课程系列-28 public class SerialPortHelper     {         SerialPort serialPort = new SerialPort();         //串口名称         public string PortName { get; set; }         //获取或设置波特率         public int BaudRate { get; set; }         //获取或设置数据位默认值8         public int DataBits { get; set; }         //停止位         public StopBits StopBits { get; set; }         //获取或设置校验位         public Parity Parity { get; set; }          public event Action OnDataReceived;          //收到数据的长度         public int ReceivedLength { get; set; }          //是否是收数据         public bool IsReceived { get; set; }          //收数据的间隔毫秒         public int ReceivedInterval { get; set; }         public SerialPortHelper()         {          }          public SerialPortHelper(string PortName, int BaudRate = 9600, int DataBits = 8, Parity Parity = Parity.Even, StopBits StopBits = StopBits.One)         {             this.PortName = PortName;             this.BaudRate = BaudRate;             this.DataBits = DataBits;             this.StopBits = StopBits;             this.Parity = Parity;         }          /// 
         /// 初使化串口         /// 
         public void Init()         {             serialPort.PortName = this.PortName;             serialPort.BaudRate = this.BaudRate;             serialPort.Parity = this.Parity;             serialPort.DataBits = this.DataBits;             serialPort.StopBits = this.StopBits;             serialPort.Open();             if (IsReceived)             {                 serialPort.DataReceived += SerialPort_DataReceived;             }         }            /// 
         /// 关闭串口         /// 
         public void Close()         {             if (serialPort.IsOpen)             {                 serialPort.Close();             }         }          /// 
         /// 写数据         /// 
         ///          public void SendData(string data)         {             if (serialPort.IsOpen)             {                 serialPort.Write(data);             }         }          /// 
         /// 读数据         /// 
         ///          ///          public void SerialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)         {             try             {                 byte[] b = new byte[ReceivedLength];                 serialPort.Read(b, 0, ReceivedLength);                 System.Threading.Thread.Sleep(this.ReceivedInterval);                 this.OnDataReceived(sender, b);             }             catch(Exception ex)             {                 LogHelper.Error(ex);             }         }     }