raspberry i2c works

added config israspberry
added i2c to arduino

Author: letherman255

Ressources/testi2c/arduino/i2cslave/i2cslave.ino

@@ -2,7 +2,7 @@
  byte b = 0;
 void setup()
 {
-  Wire.begin(4);                // join i2c bus with address #4
+  Wire.begin(0);                // join i2c bus with address #4
   Wire.onReceive(receiveEvent); // register event
   Serial.begin(9600);         // start serial for output
   Serial.println("hello!");

pro/WebContent/WEB-INF/lib/junit.jar

@@ -5,6 +5,7 @@ public class SystemParam {
 	private String date;
 	private String admin1;
 	private String admin2;
+	private String raspberry;
 
 	public int getDailyCredit() {
 		return dailyCredit;
@@ -38,4 +39,14 @@ public void setDate(String date) {
 		this.date = date;
 	}
 
+    public String getRaspberry()
+    {
+        return raspberry;
+    }
+
+    public void setRaspberry(String raspberry)
+    {
+        this.raspberry = raspberry;
+    }
+
 }

pro/WebContent/WEB-INF/lib/pi4j-core-javadoc.jar

@@ -19,6 +19,8 @@ public class SettingsLoader
     private static final String ADMIN1 = "admin1";
     private static final String ADMIN2 = "admin2";
     private static final String DATE = "date";
+    private static final String RASPBERRY = "raspberry";
+    
 
     @SuppressWarnings("resource")
     public SystemParam loadParams(SystemParam sp)
@@ -60,6 +62,7 @@ public SystemParam loadParams(SystemParam sp)
         sp.setDate(new String(props.getProperty(DATE, today.toString("dd-MMM-yyyy"))));
         sp.setAdmin1(new String(props.getProperty(ADMIN1, "admin")));
         sp.setAdmin2(new String(props.getProperty(ADMIN2, "matthias")));
+        sp.setRaspberry(new String(props.getProperty(RASPBERRY, "false")));
 
         return sp;
     }
@@ -73,6 +76,7 @@ public void saveParamChanges(SystemParam sp)
             props.setProperty(DATE, sp.getDate());
             props.setProperty(ADMIN2, sp.getAdmin2());
             props.setProperty(ADMIN1, sp.getAdmin1());
+            props.setProperty(RASPBERRY, sp.getRaspberry());
             File f = new File(PROPERTY_FILE);
             OutputStream out = new FileOutputStream(f);
             props.store(out, "Fichier de configuration système");

pro/WebContent/WEB-INF/lib/pi4j-core-sources.jar

@@ -22,10 +22,8 @@
 public class UserInterfaceForm
 {
     private static final String SYSTEM = "system";
-    private static final String PERIHERAL = "peripheral";
     private static final String ATT_IN_GAME = "isingame";
     private static final String USERNAME = "username";
-    @SuppressWarnings("unused")
     private UserDao userDao;
     private String result;
     private Map<String, String> errors = new HashMap<String, String>();
@@ -78,7 +76,7 @@ public SystemUser play(HttpServletRequest request, UserDao userdao)
         }
         if(errors.isEmpty())
         {
-System.out.println(consoleId+" joueur "+ player.getUserName());
+            System.out.println(consoleId + " joueur " + player.getUserName());
             st.addUserTo(consoleId, player);
             SystemThread.setInfo(st);
             session.setAttribute(ATT_IN_GAME, "true");

pro/WebContent/WEB-INF/lib/pi4j-core.jar

@@ -0,0 +1,98 @@
+package fr.mcnanotech.gpio;
+
+import java.io.IOException;
+
+import com.pi4j.io.i2c.I2CBus;
+import com.pi4j.io.i2c.I2CDevice;
+import com.pi4j.io.i2c.I2CFactory;
+
+public class I2CTransfer
+{
+    private static I2CDevice a1 = null, a2 = null, a3 = null, a4 = null, a5 = null, a6 = null;
+    private static I2CDevice[] arduino = {a1, a2, a3, a4, a5, a6,};
+    private static boolean isI2Cinit = false;
+
+    public static void initI2C(String raspberry) throws IOException
+    {
+        if(raspberry.equals("true"))
+        {
+            final I2CBus bus = I2CFactory.getInstance(I2CBus.BUS_1);
+            for(int i = 0; i < (arduino.length); i++)
+            {
+                if(bus.getDevice(i) != null)
+                {
+                    arduino[i] = bus.getDevice(i);
+                }
+                else
+                {
+                    System.err.println("Arduino " + i + " not found on the i2c bus.");
+                }
+                isI2Cinit = true;
+            }
+
+        }
+        else
+        {
+            System.out.println("The server is not launched on a raspberry pi, disabling the I2C");
+        }
+    }
+
+    public static void setState(int arduinoAddress, int controller, boolean state) throws IOException
+    {
+        if(isI2Cinit)
+        {
+            switch(controller)
+            {
+                case 0:
+                {
+                    if(state)
+                    {
+                        arduino[arduinoAddress].write((byte)10);
+                    }
+                    else
+                    {
+                        arduino[arduinoAddress].write((byte)0);
+                    }
+                    break;
+                }
+                case 1:
+                {
+                    if(state)
+                    {
+                        arduino[arduinoAddress].write((byte)11);
+                    }
+                    else
+                    {
+                        arduino[arduinoAddress].write((byte)1);
+                    }
+                    break;
+                }
+                case 2:
+                {
+                    if(state)
+                    {
+                        arduino[arduinoAddress].write((byte)12);
+                    }
+                    else
+                    {
+                        arduino[arduinoAddress].write((byte)2);
+                    }
+                    break;
+                }
+                case 3:
+                {
+                    if(state)
+                    {
+                        arduino[arduinoAddress].write((byte)13);
+                    }
+                    else
+                    {
+                        arduino[arduinoAddress].write((byte)3);
+                    }
+                    break;
+                }
+
+            }
+        }
+    }
+}

pro/WebContent/WEB-INF/lib/pi4j-device-javadoc.jar

@@ -1,8 +1,11 @@
 package fr.mcnanotech.main;
 
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 
+import fr.mcnanotech.gpio.I2CTransfer;
+
 public class GamingMachine
 {
     private List<Player> players = new ArrayList<Player>();
@@ -20,6 +23,17 @@ public GamingMachine(int id, int maxPlayers)
     public void kickAll()
     {
         this.players.clear();
+        for(int i = 0; i < 4; i++)
+        {
+            try
+            {
+                I2CTransfer.setState(this.id, i, false);
+            }
+            catch(IOException e)
+            {
+                e.printStackTrace();
+            }
+        }
     }
 
     public Player getPlayers(int index)
@@ -38,6 +52,14 @@ public boolean addPlayer(Player player)
         {
             this.players.add(player);
             this.updateTime();
+            try
+            {
+                I2CTransfer.setState(this.id, this.players.indexOf(player), true);
+            }
+            catch(IOException e)
+            {
+                e.printStackTrace();
+            }
             return true;
         }
         return false;
@@ -57,6 +79,15 @@ public boolean removePlayer(int index)
     {
         if(index < this.players.size())
         {
+
+            try
+            {
+                I2CTransfer.setState(this.id, index, false);
+            }
+            catch(IOException e)
+            {
+                e.printStackTrace();
+            }
             this.players.remove(index);
             return true;
         }
@@ -69,6 +100,15 @@ public boolean removePlayerByName(String name)
         {
             if(player.getUserName().equals(name))
             {
+
+                try
+                {
+                    I2CTransfer.setState(this.id, this.players.indexOf(player), false);
+                }
+                catch(IOException e)
+                {
+                    e.printStackTrace();
+                }
                 this.players.remove(player);
                 return true;
             }
@@ -125,7 +165,7 @@ public int getCreditedPlayers()
         }
         return i;
     }
-    
+
     public int getId()
     {
         return this.id;

pro/WebContent/WEB-INF/lib/pi4j-device-sources.jar

@@ -1,12 +1,15 @@
 package fr.mcnanotech.main;
 
+import java.io.IOException;
+
 import org.joda.time.DateTime;
 
 import fr.mcnanotech.beans.SystemParam;
 import fr.mcnanotech.beans.SystemUser;
 import fr.mcnanotech.configloader.SettingsLoader;
 import fr.mcnanotech.dao.DAOFactory;
 import fr.mcnanotech.dao.UserDao;
+import fr.mcnanotech.gpio.I2CTransfer;
 
 public class SystemThread extends Thread
 {
@@ -22,11 +25,22 @@ public class SystemThread extends Thread
     public void run()
     {
 
+        
         SystemParam systemparam = new SystemParam();
         SettingsLoader settingsloader = new SettingsLoader();
 
         systemparam = settingsloader.loadParams(systemparam);
         settingsloader.saveParamChanges(systemparam);
+        
+        try
+        {
+            I2CTransfer.initI2C(systemparam.getRaspberry());
+        }
+        catch(IOException e)
+        {
+            e.printStackTrace();
+        }
+        
         this.userDao = DAOFactory.getInstance().getDaoUser();
         st.setDailyCredit(systemparam.getDailyCredit());
         long t = (System.currentTimeMillis() / TIME_BASE);