基于at指令串口通讯程序

华电新星 · 发表于 2010-11-8 19:40:30

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namespace conectAndSend
{
public partial class Form1 : Form
{
      public Form1()
      {
         InitializeComponent();
      }
      StringComparer stringComparer = StringComparer.OrdinalIgnoreCase;
      ConnectAndSend connectandsend = new ConnectAndSend();
      SerialPort _serialPort;
      static bool _continue;
      static Thread thread1;
      private void button1_Click(object sender, EventArgs e)
      {
         OpenSerialport();
         _continue = true;
         thread1 = new Thread(creat);
         thread1.Start();



      }
      public void OpenSerialport()
      {
         CheckForIllegalCrossThreadCalls = false;
         _serialPort = new SerialPort();
         _serialPort.PortName = "COM1";
         _serialPort.BaudRate = 9600;
         _serialPort.Parity = Parity.None;
         _serialPort.DataBits = 8;
         _serialPort.StopBits = StopBits.One;
         _serialPort.Handshake = Handshake.None;
         _serialPort.RtsEnable = true;
         _serialPort.NewLine = "\r\n";
         _serialPort.ReadTimeout = 30000;
         _serialPort.WriteTimeout = 500;
         _serialPort.Open();
      }
      public void creat()
      {
         while (_continue)
         {
            try
            {
                  _serialPort.WriteLine("ate");
                  listBox1.Items.Add("1.ate");
                  string an0 = _serialPort.ReadLine();

                  //listBox1.Items.Add(an0);
                  string an1 = _serialPort.ReadLine();
                  listBox1.Items.Add("2." + an1);
                  if (stringComparer.Equals("OK", an1))
                  {
                  mylable:
                     _serialPort.WriteLine("atd15811482417");
                     listBox1.Items.Add("1.atd015811482417");
                     //_serialPort.WriteLine("atd15810507416");
                     //listBox1.Items.Add("atd15810507416");
                     // Thread.Sleep(10000);
                     string an2 = _serialPort.ReadLine();
                     while (an2 == "")
                     {
                        Thread.Sleep(1000);
                        an2 = _serialPort.ReadLine();
                     }
                     listBox1.Items.Add("2." + an2);
                     if (stringComparer.Equals("CONNECT 9600", an2))
                     {
                        listBox1.Items.Add("1.已连接开始通话！");
                        _continue = false;

                     }
                     else if (stringComparer.Equals("busy", an2))
                     {
                        MessageBox.Show("占线！稍后再拨。");
                        _serialPort.WriteLine("ath");
                        Thread.Sleep(10000);
                        goto mylable;
                     }
                     else if (stringComparer.Equals("no answer", an2))
                     {
                        MessageBox.Show("无人接听，稍后再拨。");
                        _serialPort.WriteLine("ath");
                        Thread.Sleep(10000);
                        goto mylable;
                     }
                     else if (stringComparer.Equals("no carrier", an2))
                     {
                        MessageBox.Show("不支持此项业务！");
                        _serialPort.WriteLine("ath");
                        Thread.Sleep(10000);
                        goto mylable;
                     }
                     else if (stringComparer.Equals("ERROR", an2))
                     {
                        MessageBox.Show("手机卡未安装好！");
                        _serialPort.WriteLine("ath");
                        _continue = false;
                     }
                  }
                  else
                  {
                     listBox1.Items.Add("设备未安装好！");
                     return;
                  }
            }
            catch (TimeoutException)
            {
                  listBox1.Items.Add("通讯装置未连接好或欠费停机");
            }
         }
      }
      private void button2_Click(object sender, EventArgs e)
      {

         string str = " Provider=Microsoft.Jet.OLEDB.4.0;Data Source=G:\\Time-angle.mdb";
         OleDbConnection connect = new OleDbConnection(str);
         string sql_data1 = "select * from datatime";
         connect.Open();
         OleDbDataAdapter adapter_data1 = new OleDbDataAdapter(sql_data1, connect);
         DataSet dataset = new DataSet();
         OleDbCommandBuilder builder_data1 = new OleDbCommandBuilder(adapter_data1);
         adapter_data1.Fill(dataset, "datatime");
         foreach (DataRow row1 in dataset.Tables["datatime"].Rows)
         {
            connectandsend.WriteData(row1);
            _serialPort.Write(connectandsend.bytes1, 0, connectandsend.bytes1.Length);
            for (int k = 0; k < connectandsend.bytes1.Length; k++)

                  listBox1.Items.Add(connectandsend.bytes1[k].ToString());
                  listBox1.Items.Add(row1[0].ToString());
                  listBox1.Items.Add(row1[1].ToString());
                  listBox1.Items.Add(row1[2].ToString());
                  listBox1.Items.Add(row1[3].ToString());


         }
         connect.Close();

      }
      private void button3_Click(object sender, EventArgs e)
      {
         thread1.Join();
         for (; ; )
         {
            _serialPort.WriteLine("+++");
            DateTime t1 = DateTime.Now;
            for (; ; )
            {
                  DateTime t2 = DateTime.Now;
                  TimeSpan tt = t2 - t1;
                  double tt1 = tt.Seconds;
                  if (tt1 > 3) break;
            }
            _serialPort.WriteLine("ath");
            try
            {
                  string message3 = _serialPort.ReadLine();
                  if (String.Compare(message3, "OK") == 0) return;
            }
            catch (TimeoutException) { };
            }

         _serialPort.Close();
         // listBox1.Items.Clear();
      }
}
}

l_2011 · 发表于 2011-5-23 21:17:12

谢谢,我刚接触AT指令,得到不少启发呀.

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[原创] 基于at指令串口通讯程序

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