RS232通訊數據解析C#

 #region【方法：解析數據線程】
        private void DataParse()
        {
            int waittime = 0;//等待時間
            bool isExit = false;//是否超時退出
            byte[] headData = new byte[4];//命令頭
            byte[] cmdData = new byte[19];//命令
            while (true)
            {
                try
                {
                    if (m_RevQueue.Count > headData.Length)
                    {
                        isExit = false;
                       
                            while (m_RevQueue.Count < 4)//小於命令頭長度，進入等待狀態，2s超時退出
                            {
                                waittime++;
                                if (waittime > 100)
                                {
                                    isExit = true;
                                    break;
                                }
                                Thread.Sleep(1);
                            }
                        headData = new byte[4];//命令頭
                        while (true)
                        {
                            while (m_RevQueue.Count < 1)//小於命令頭長度，進入等待狀態，2s超時退出
                            {
                                waittime++;
                                if (waittime > 100)
                                {
                                    isExit = true;
                                    break;
                                }
                                Thread.Sleep(1);
                            }
			//如果獲取字符與頭字符不一致則每位向后移一位
                            if (headData[0] != 0xAA|| headData[1] != 0x01 || headData[2] != 0x01 || headData[3] != 0x01 )
                            {
                                headData[0] = headData[1];
                                headData[1] = headData[2];
                                headData[2] = headData[3];
                                headData[3] = m_RevQueue.Dequeue();
                                continue;
                            }
                            break;
                        }
                       
                        while (m_RevQueue.Count < 19)//小於命令長度，進入等待狀態，2s超時退出
                        {
                            waittime++;
                            if (waittime > 100)
                            {
                                isExit = true;
                                break;
                            }
                            Thread.Sleep(1);
                        }
                        waittime = 0;
                        //Console.WriteLine(headData[3].ToString("X2"));
                        if (isExit) continue;
                        cmdData = new byte[23];
                       取出后面的19位
                        for (int i = 0; i < 19; i++)//取出命令
                        {
                            cmdData[i + 4] = m_RevQueue.Dequeue();
                        }
		//把頭字符復制到cmdData;
                        headData.CopyTo(cmdData, 0);
                        GCByteToModel(m_DeviceModel, cmdData);
                    }

                    else
                    {
                        Thread.Sleep(10);
                    }
                }
                catch (Exception ex)
                {
                    Console.WriteLine(ex.Message);
                }
            }
        }
        #endregion