unity3d串口通信，双线程一收一处理

using UnityEngine;
using System.Collections;
using System.Collections.Generic;//队列
using System.IO;
using System.IO.Ports;
using System.Threading;//线程
using System;
using System.Text;//16进制转换

public class com : MonoBehaviour {
    SerialPort myport;
    public string ComNum;
    public int irate;
    bool isSend = false;
    public StringBuilder builder;
    public string myDataReceived="";
    public string myButton="打开串口 ";
   public Thread readthread;
   public Thread dealdatathread;
    Queue datapool;
    public float wheelnum;
    public float steerangle;
    string stroutpool = string.Empty;
    int readnum = 0;
    float zero;
    public float outputangle=0;
    public float outputvelocity=0;
    float time = 5;
    string num = "5";
    public GUIStyle style0;

	// Use this for initialization
 
	void Start () {
     
        datapool = new Queue();
       myport = new SerialPort(ComNum, irate, Parity.None, 8, StopBits.One);
      if(!myport.IsOpen) myport.Open();
        readthread = new Thread(read);
        dealdatathread = new Thread(dealdata);
        readthread.Start();
        dealdatathread.Start();
	}
	
	// Update is called once per frame
	void Update () {
		/*  if (Input.GetKeyDown(KeyCode.Space))
        {
            Debug.Log("yes");
            if (readthread.IsAlive) readthread.Abort();
            if (dealdatathread.IsAlive) dealdatathread.Abort();
            if (myport.IsOpen) myport.Close();
	myport = new SerialPort(ComNum, irate, Parity.None, 8, StopBits.One);
      if(!myport.IsOpen) myport.Open();
			
       readthread = new Thread(read);
        dealdatathread = new Thread(dealdata);
        readthread.Start();
        dealdatathread.Start();
			datapool = new Queue();
		}*/
        if(time>=0)
        time -= Time.deltaTime;
        if (time > 4) num = "5";
        else if (time > 3) num = "4";
        else if (time > 2) num = "3";
        else if (time > 1) num = "2";
        else num = "1";
       if(!readthread.IsAlive)
        {
            readthread = new Thread(read);
            readthread.Start();
        }
       if (!dealdatathread.IsAlive)
       {
           dealdatathread = new Thread(dealdata);
           dealdatathread.Start();
       }
       
 
	}
    void read()
    {
        
        try
        {
            string myData = string.Empty;
            //builder = new StringBuilder();
            byte[] buffer = new byte[1];
            myport.Read(buffer, 0,1);
            if (buffer.Length == 0)
            {
                return;
            }
            else
            {
                foreach (byte b in buffer)
                {
                    myData += b.ToString("X2");
                    datapool.Enqueue(myData);
                    // builder.Append(b.ToString("X2")+" ");
                }
            }

        }
        catch(TimeoutException)
        {
            //Debug.Log("error");
        }
    }
    void dealdata()
    {
      /*  Byte[] buffer = new Byte[10];
        myport.Read(buffer, 0, myport.ReadBufferSize);
       // myDataReceived = Encoding.ASCII.GetString(buffer);
        int index = myDataReceived.IndexOf("起始符");
        if (index < 5)
        {
            if (myDataReceived[index + 5].Equals("/截止符"))
            {

            }
        }
    */
        while (datapool.Count != 0)
        {
            
            for (int i = 0; i < datapool.Count; i++)
            {
               
                stroutpool += datapool.Dequeue();
                if (stroutpool.Length == 16)
                {
                    
                    if (stroutpool.StartsWith("2101") && stroutpool.EndsWith("00FFFF"))
                    {
                        
                        readnum++;
                        wheelnum = Int16.Parse(stroutpool[4].ToString(), System.Globalization.NumberStyles.AllowHexSpecifier) * 16 + Int16.Parse(stroutpool[5].ToString(), System.Globalization.NumberStyles.AllowHexSpecifier);
                        steerangle = Int16.Parse(stroutpool[6].ToString(), System.Globalization.NumberStyles.AllowHexSpecifier) * 16 + Int16.Parse(stroutpool[7].ToString(), System.Globalization.NumberStyles.AllowHexSpecifier) + Int16.Parse(stroutpool[9].ToString(), System.Globalization.NumberStyles.AllowHexSpecifier) * 16 * 16;
                        if (readnum <= 10)
                        {
                            zero += steerangle;

                        }
                        if (readnum == 10)
                        {
                            zero = zero / 10;
                        }
                        if (readnum > 10)
                        {
                           // Debug.Log("zero:"+zero);
                            outputangle = (steerangle - zero) / 2.822f;
                            outputangle = Mathf.Clamp(outputangle, -90, 90);
                            outputvelocity = (float)(wheelnum * 2/ 16 * 2 * Math.PI * 2.7);
                             //Debug.Log("总的字符串:" + stroutpool);
                             //Debug.Log("16进制杠数:" + stroutpool[4] + stroutpool[5]);
                            // Debug.Log("10进制杠数:" + wheelnum);*/
                         //   Debug.Log("16进制角度:" + stroutpool[9] + stroutpool[6] + stroutpool[7]);
                            //Debug.Log("十进制速度:" + outputvelocity);
                           //Debug.Log("十进制角度:" + outputangle);
                        }
                    }
                    stroutpool = string.Empty;

                }
            }
        }
    }
    void OnGUI()
    {
        if (time > 0)
        {
            GUI.Box(new Rect(Screen.width / 2 - 50, Screen.height / 2 - 100, 100, 100), " ");
            GUI.Label(new Rect(Screen.width / 2 - 100, Screen.height / 2 - 100, 200, 200), num, style0);
        }
    }

      void OnApplicationQuit()
      {
          try
          {
              readthread.Abort();
              dealdatathread.Abort();
              myport.Close();
              


          }
          catch
          {
              return;
          }
      }


}