gistfile1.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.IO;
using System.IO.Ports;
using System.Threading;

namespace serialTest
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        private void conectare_bt_Click(object sender, RoutedEventArgs e)
        {
            ArduinoControllerMain controler = new ArduinoControllerMain();
            try
            {
                controler.SetComPort();
                if (controler.portFound == true)
                {
                    info_sb.Text = "Conectat la portul Arduino " + controler.currentPort.PortName.ToString() + ".";
                }
                   
            }
            catch (Exception exc)
            {
                MessageBox.Show(exc.ToString());
            }
        }
    }
    // clasa principala pentru controlul arduino
    public class ArduinoControllerMain 
    {
        private string tempPortName;
      public SerialPort currentPort;
	    public bool portFound;
        //  metoda pentru setarea portului
	    public void SetComPort()
	    {
	        try
	        {
		        string[] ports = SerialPort.GetPortNames();
		        foreach (string port in ports)
		        {
		            currentPort = new SerialPort(port, 9600);
		            if (DetectArduino())
		            {
			            portFound = true;
                        tempPortName = port;
			            break;
		            }
		            else
		            {
			            portFound = false;
		            }
                    
                    currentPort.PortName = port;
		        }
	        }
	        catch (Exception e)
	        {
                MessageBox.Show(e.ToString());
	        }
	    }   //  end of SetComPort()
        //  metoda pentru detectarea arduino prin handshake
	    private bool DetectArduino()
	    {
	        try
	        {
		        //  handshake-ul este format dintr-un mesaj de 5 bytes: 16, 128, 0, 0, 4
		        byte[] buffer = new byte[5];
		        buffer[0] = Convert.ToByte(16);
		        buffer[1] = Convert.ToByte(128);
		        buffer[2] = Convert.ToByte(0);
		        buffer[3] = Convert.ToByte(0);
		        buffer[4] = Convert.ToByte(4);

		        int intReturnASCII = 0;
		        char charReturnValue = (Char)intReturnASCII;
		        currentPort.Open();
		        currentPort.Write(buffer, 0, 5);
		        Thread.Sleep(1000);
		        int count = currentPort.BytesToRead;
		        string returnMessage = "";
		        while (count > 0)
		        {
		            intReturnASCII = currentPort.ReadByte();
		            returnMessage = returnMessage + Convert.ToChar(intReturnASCII);
		            count--;
		        }
		        //ComPort.name = returnMessage; // oficial line. gives error. perhaps currentPort instead of ComPort
		        currentPort.Close();

		        if (returnMessage.Contains("HELLO FROM ARDUINO"))
		        {
		            return true;
                    
		        }
		        else
		        {
		            return false;
		        }
            }
	        catch (Exception e)
	        {
                MessageBox.Show(e.ToString());
		        return false;
	        }
        }   //  end of DetectArduino()
    }   //  end of class ArduinoControllerMain
}   //  end of namespace