C#_串口程序_二次打包_事件响应

 

using System;
using System.IO.Ports;
using System.Windows.Forms;

namespace Dll_Serial_Comm
{
    public class Dll_Serial_Comm
    {
        private SerialPort serialPort;
        private string dataRevcived = string.Empty;
        public Dll_Serial_Comm()
        {
            serialPort = new SerialPort();
            Ini_Com _ini = new Ini_Com();
            serialPort.WriteBufferSize = 1024;           
            serialPort.ReadBufferSize = 1024;
            serialPort.DataReceived += new SerialDataReceivedEventHandler(serialPort_DataReceived);
            serialPort.PortName = “COM1”;
            serialPort.BaudRate = 19200;
            serialPort.DataBits = 8;
            serialPort.StopBits = System.IO.Ports.StopBits.One;//1个停止位
            serialPort.Parity = System.IO.Ports.Parity.Odd;//奇校验位
            serialPort.ReadTimeout = 1000;//读取超时设置
            serialPort.WriteTimeout =1000;//写入超时设置
            serialPort.DiscardNull = true;
            serialPort.ReceivedBytesThreshold = 5;
            serialPort.NewLine = "\r";//读取正行的标志
        }
        public event EventHandler<WWW_EventArgs> Event_Get_Message;//事件，带个参数
        protected virtual void OnEvent_Get_Message(WWW_EventArgs e)
        {
            EventHandler<WWW_EventArgs> handler = Event_Get_Message;
            if (handler != null)
            {
                handler(this, e);
            }
        }
        void serialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
        {
            ReadData();
        }
        void ReadData()
        {        
            dataRevcived = serialPort.ReadLine();
            WWW_EventArgs ee = new WWW_EventArgs(dataRevcived);
            OnEvent_Get_Message(ee);//触发事件
        }
        public void WritePort(string command)
        {
            if (!IsOpen)
            {
                Open();
            }
            serialPort.DiscardInBuffer();//还闹不清机理，加上安全
            serialPort.DiscardOutBuffer();
            serialPort.WriteLine(command);
        }  
        public void Buffer_Clean()
        {
            serialPort.DiscardInBuffer();
            serialPort.DiscardOutBuffer();
        }
        public bool IsOpen
        {
            get { return serialPort.IsOpen; }
        }
        public void Open()
        {
            if (serialPort.IsOpen)
            {
                Close();            
            }
            try
            {
                serialPort.Open();
                serialPort.DiscardOutBuffer();
                serialPort.DiscardInBuffer();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
                serialPort.Dispose();
                serialPort = new SerialPort();
                serialPort.Open();
            }          
        }
        public void Close()
        {
            try
            {
                serialPort.DiscardInBuffer();
                serialPort.DiscardOutBuffer();
                serialPort.Close();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
                serialPort.Dispose();
                serialPort = new SerialPort();
                serialPort.Close();
            }
        }
        public void End()
        {
            serialPort.Dispose();
        }
    }

    public class WWW_EventArgs : EventArgs//事件参数，各种类型参数重载一下构造函数
    {
        private string args_string;
        public string Args_string
        {
            get { return args_string; }
            set { args_string = value; }
        }
        public WWW_EventArgs(string s)
        {
            args_string = s;
        }

        private int args_int;
        public int Args_int
        {
            get { return args_int; }
            set { args_int = value; }
        }
        public WWW_EventArgs(int s)
        {
            args_int = s;
        }

        private string[] args_string_array;
        public string[] Args_string_array
        {
            get { return args_string_array; }
            set { args_string_array = value; }
        }
        public WWW_EventArgs(string[] s)
        {
            args_string_array = s;
        }

        private object args_object;
        public object Args_object
        {
            get { return args_object; }
            set { args_object = value; }
        }
        public WWW_EventArgs(object s)
        {
            args_object = s;
        }
    }
}