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   1: Byte0  Byte1  Byte2  Byte3  Byte4  Byte5  Byte6  Byte7  Byte8  Byte9

   2: --------------------------------------------------------------------

   3: 0xFF   0xFF   0xFF   0x00   0x00   <--倒數剩餘秒數--->  0xFE   0xFE

   4:  

   5: 倒數剩餘秒數=Byte5*65536 + Byte6*256 + Byte7

   6:  

   7: 例如  1小時10分10秒(倒數剩餘秒數=4210秒)===>Byte5=0x00, Byte6=0x10, Byte7=0x72

   1: using System.Threading;

   2: using System.IO.Ports;

   1: enum ProcStatus { Running, Pause, Stop };

   2:     

   3: // 變數宣告

   4: Thread gProcThread;                        // 通訊執行緒

   5: ProcStatus gProcThreadStatus;              

   6: SerialPort comport;                        // 串列通訊物件

   7: bool _shouldStop = false;                  // 是否停止執行

   1: private void InputProcControlStartBtn_Click(object sender, EventArgs e)

   2:        {

   3:            ProcControlPauseBtn.Enabled = true;

   4:            ProcControlStopBtn.Enabled = true;

   5:  

   6:            string com = comboBox1.Text;

   7:            int baudrate = int.Parse(comboBox2.Text);

   8:            int parity = comboBox3.SelectedIndex;

   9:            int databits = int.Parse(comboBox4.Text);

  10:            int stopbits = int.Parse(comboBox5.Text);

  11:            comport = new SerialPort(com, baudrate, (Parity)parity, databits, (StopBits)stopbits); 

  12:            try

  13:            {

  14:                if (!comport.IsOpen)

  15:                    comport.Open();

  16:                _shouldStop = false;

  17:                gProcThread = new Thread(new ThreadStart(ProcControl));   

  18:                gProcThread.Start();

  19:            }

  20:            catch

  21:            {

  22:                serialPort1.Close();

  23:            }

  24:        }

   1: private void ProcControl()

   2:         {

   3:             uint Start = 3600;

   4:             uint i=Start;

   5:             uint hour;

   6:             uint min;

   7:             uint sec;

   8:             gProcThreadStatus = ProcStatus.Running;

   9:             byte[] data = new byte[10]{ 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xfe };

  10:             while(!_shouldStop){

  11:                 hour = i/65536;

  12:                 min = i/256;

  13:                 sec = i - hour*65536 - min*256;

  14:                 data[5] = (byte) hour;

  15:                 data[6] = (byte) min;

  16:                 data[7] = (byte) sec;

  17:                 comport.Write(data, 0, data.Length);

  18:                 Thread.Sleep(1000);

  19:                 i--;

  20:                 if(i<=0) i=Start;

  21:             }

  22:         }

   1: private void InputProcControlPauseBtn_Click(object sender, EventArgs e)

   2:        {

   3:            if (ProcControlPauseBtn.Text == "暫停")

   4:            {

   5:                ProcControlPauseBtn.Text = "繼續";

   6:                gProcThread.Suspend();

   7:                gProcThreadStatus = ProcStatus.Pause;          // 更新執行狀態: 暫停   

   8:                ProcControlStopBtn.Enabled = false;

   9:            }

  10:            else

  11:            {

  12:                ProcControlPauseBtn.Text = "暫停";

  13:                gProcThreadStatus = ProcStatus.Running;        // 更新執行狀態: 繼續Running

  14:                gProcThread.Resume();

  15:                ProcControlStopBtn.Enabled = true;

  16:            }

  17:        }

   1: private void InputProcControlStopBtn_Click(object sender, EventArgs e)

   2:        {

   3:            if (gProcThread.IsAlive)

   4:            {

   5:                try

   6:                {

   7:                    gProcThread.Abort();

   8:                    comport.Close();

   9:                    _shouldStop = true;

  10:                    gProcThread = null;

  11:                    //gProcThread.Join();

  12:                    gProcThreadStatus = ProcStatus.Stop;

  13:                }

  14:                catch (ThreadStateException)

  15:                {

  16:                    //gProcThread.Resume();

  17:                }

  18:                ProcControlStartBtn.Enabled = true;

  19:                ProcControlPauseBtn.Enabled = false;

  20:                ProcControlStopBtn.Enabled = false;

  21:            }

  22:        }