[chronojump] Added missing RFID.cs file

[Xavier de Blas <xaviblas src gnome org>]

commit c30e3d937b0e1eff78ee6e5e23a7d9c9c1b14374
Author: Xavier de Blas <xaviblas gmail com>
Date:   Mon May 8 20:30:53 2017 +0200

    Added missing RFID.cs file

 src/RFID.cs |  144 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 144 insertions(+), 0 deletions(-)
---
diff --git a/src/RFID.cs b/src/RFID.cs
new file mode 100644
index 0000000..b86b5df
--- /dev/null
+++ b/src/RFID.cs
@@ -0,0 +1,144 @@
+/*
+ * Copyright (C) 2017  Xavier de Blas <xaviblas gmail com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+using System;
+using System.Collections.Generic; //List<T>
+using System.IO.Ports;
+using System.Threading;
+using Gtk;
+
+
+public class RFID
+{
+       public string Captured;
+       private bool stop;
+       //public event EventHandler ChangedEvent; //raised when change RFID vaues
+       private SerialPort port;
+       private Gtk.Button fakeButtonChange;
+
+       public RFID()
+       {
+               stop = false;
+               fakeButtonChange = new Button();
+       }
+       
+       public void Start()
+       {
+               List<string> l = getPorts(false);       
+               LogB.Information("getPorts");
+               
+               string lastRFID = "";
+               string str = "";
+               if(findRFIDPort(l))
+               {
+                       //don't need to open port because it's still opened
+                       //port.Open();
+                       while(! stop)
+                       {
+                               LogB.Information("AT RFID.cs");
+                               //str = port.ReadLine(); //don't use this because gets waiting some stop 
signal
+                               if (port.BytesToRead > 0)
+                               {
+                                       str = port.ReadExisting();
+                                       LogB.Information("No trim str" + str);
+
+                                       //get only the first line and trim it
+                                       if(str.IndexOf(Environment.NewLine) > 0)
+                                               str = str.Substring(0, 
str.IndexOf(Environment.NewLine)).Trim();
+                                       
+                                       LogB.Information("Yes one line and trim str" + str);
+       
+                                       //this first line should have a ';' (mark of end of rfid)       
+                                       if(str.IndexOf(";") > 0)
+                                       {
+                                               str = str.Substring(0, str.IndexOf(";"));
+
+                                               if(str != lastRFID)
+                                               {
+                                                       Captured = str;
+
+                                                       //Firing the event
+                                                       fakeButtonChange.Click();
+                                                       /*
+                                                          EventHandler handler = ChangedEvent;
+                                                          if (handler != null)
+                                                          handler(this, new EventArgs());
+                                                          */
+                                                       lastRFID = str;
+                                               }
+                                       }
+                               }
+                               Thread.Sleep(100);
+                       }
+                       LogB.Information("AT RFID.cs: STOPPED");
+                       port.Close();
+               }
+       }
+
+       public void Stop()
+       {
+               stop = true;
+       }
+
+       private bool findRFIDPort(List<string> l)
+       {
+               foreach(string p in l)
+               {
+                       LogB.Information("portName: " + p);
+                       port = new SerialPort(p, 9600); //for the rfid
+                       port.Open();
+                       Thread.Sleep(3000); //sleep to let arduino start reading
+                       
+                       if (port.BytesToRead > 0){
+                               LogB.Information("portReading: " + port.ReadExisting());
+                       }
+                       //send welcome message
+                       port.WriteLine("Chronojump RFID");
+               
+                       string str = port.ReadLine();
+                       LogB.Information("str: " + str);
+                       if(str.StartsWith("YES Chronojump RFID"))
+                       {
+                               LogB.Information("Arduino RFID found on port: " + p);
+                               return(true);
+                       }
+                       else
+                               LogB.Information("Arduino RFID NOT found on port: " + p);
+
+                       port.Close();
+               }
+               return(false);
+       }
+
+       private List<string> getPorts(bool debug)
+       {
+               //TODO: move that method here
+               List<string> l = new List<string>(ChronopicPorts.GetPorts()); //usb-serial ports
+
+               if(debug)
+                       foreach(string p in l)
+                               LogB.Information(string.Format("port: " + p));
+               
+               return l;
+       }
+       
+       public Gtk.Button FakeButtonChange
+       {
+               get { return fakeButtonChange; }
+       }
+}