read and write Field done. pushToField to do

src/main/java/ch/hevs/isi/field/BooleanRegister.java

@@ -0,0 +1,23 @@
+package ch.hevs.isi.field;
+
+import ch.hevs.isi.core.BooleanDataPoint;
+
+public class BooleanRegister extends ModbusRegister{
+    private boolean value;
+    private BooleanDataPoint bdp;
+
+    public BooleanRegister(String label, boolean isOutput, int address){
+        this.bdp = new BooleanDataPoint(label, isOutput);
+        updateMapOfRegisters(bdp, address);
+    }
+
+    @Override
+    public void read() {
+        bdp.setValue(ModbusAccessor.getMySelf().readBoolean(address));
+    }
+
+    @Override
+    public void write() {
+        ModbusAccessor.getMySelf().writeBoolean(address, bdp.getValue());
+    }
+}

src/main/java/ch/hevs/isi/field/FieldConnector.java

@@ -4,31 +4,33 @@ import ch.hevs.isi.core.DataPoint;
 import ch.hevs.isi.core.DataPointListener;
 import ch.hevs.isi.core.FloatDataPoint;
 
+import java.util.Timer;
+
 public class FieldConnector implements DataPointListener {
-
     private static FieldConnector mySelf = null;
-
     private FieldConnector(){
-
     }
-
     public static FieldConnector getMySelf(){
         if (mySelf == null){
             mySelf = new FieldConnector();
         }
         return mySelf;
     }
-
     public void initialize(String host, int port){
-
+        ModbusAccessor mbA = ModbusAccessor.getMySelf();
+        mbA.connect(host, port);
     }
-
     private void pushToField(DataPoint dp){
-        System.out.println(dp.toString() + " -> Field");
     }
-
     @Override
     public void onNewValue(DataPoint dp) {
         pushToField(dp);
+        ModbusRegister mr = ModbusRegister.getRegisterFromDatapoint(dp);
+        mr.write();
+    }
+    public void periodicalPolling(){
+        Timer pollTimer = new Timer();
+        PollTask pollTask = new PollTask();
+        pollTimer.scheduleAtFixedRate(pollTask,0,2000);
     }
 }

src/main/java/ch/hevs/isi/field/FloatRegister.java

@@ -0,0 +1,23 @@
+package ch.hevs.isi.field;
+
+import ch.hevs.isi.core.FloatDataPoint;
+
+public class FloatRegister extends ModbusRegister{
+    private Float value;
+    private FloatDataPoint dataPoint;
+
+    public FloatRegister(String label, boolean isOutPut, int address) {
+        this.dataPoint = new FloatDataPoint(label, isOutPut);
+        updateMapOfRegisters(dataPoint,address);
+    }
+
+    @Override
+    public void read() {
+        dataPoint.setValue(ModbusAccessor.getMySelf().readFloat(address));
+    }
+
+    @Override
+    public void write() {
+        ModbusAccessor.getMySelf().writeFloat(address, dataPoint.getValue());
+    }
+}

src/main/java/ch/hevs/isi/field/ModbusAccessor.java

@@ -9,6 +9,7 @@ import com.serotonin.modbus4j.exception.ModbusTransportException;
 import com.serotonin.modbus4j.ip.IpParameters;
 import com.serotonin.modbus4j.ip.tcp.TcpMaster;
 import com.serotonin.modbus4j.locator.BaseLocator;
+import com.sun.org.apache.xpath.internal.operations.Mod;
 
 public class ModbusAccessor {
 
@@ -63,27 +64,39 @@ public class ModbusAccessor {
      * method to write a boolean value in the correct modbus register
      * @param register address of the register
      * @param value the desired boolean value
-     * @throws ModbusTransportException
-     * @throws ErrorResponseException
      */
-    public void writeBoolean (int register, boolean value) throws ModbusTransportException, ErrorResponseException{
+    public void writeBoolean (int register, boolean value){
         //first parameter = slaveID = always 1 because we only have one
         //second parameter = register address ==> it is named offset because it starts with 0 and goes to the desired address
-        this.master.setValue(BaseLocator.coilStatus(1,register), value); //set the desired value in the correct register
+       try{
+           this.master.setValue(BaseLocator.coilStatus(1,register), value); //set the desired value in the correct register
+       }
+       catch (ModbusTransportException e){
+           e.printStackTrace();
+       }
+       catch (ErrorResponseException e){
+           e.printStackTrace();
+       }
     }
 
     /**
      * method to write a float value in the correct modbus register
      * @param register address of the register
      * @param value the desired float value
-     * @throws ModbusTransportException
-     * @throws ErrorResponseException
      */
-    public void writeFloat (int register, float value) throws ModbusTransportException, ErrorResponseException{
+    public void writeFloat (int register, float value){
         //first parameter = slaveID = always 1 because we only have one
         //second parameter = register address ==> it is named offset because it starts with 0 and goes to the desired address
         //third parameter = DataType of the value. The max value is 3 Byte Float, but the class DataType has only 2 or 4 byte
-        this.master.setValue(BaseLocator.holdingRegister(1,register,DataType.FOUR_BYTE_FLOAT), value);
+        try{
+            this.master.setValue(BaseLocator.holdingRegister(1,register,DataType.FOUR_BYTE_FLOAT), value);
+        }
+        catch (ModbusTransportException e){
+            e.printStackTrace();
+        }
+        catch (ErrorResponseException e){
+            e.printStackTrace();
+        }
     }
     //methods to read
     /**
@@ -91,41 +104,55 @@ public class ModbusAccessor {
      * get the coil status of the register.
      * @param register address of register
      * @return boolean value of the desired register
-     * @throws ModbusTransportException
-     * @throws ErrorResponseException
      */
-    public boolean readBoolean(int register) throws ModbusTransportException, ErrorResponseException {
+    public boolean readBoolean(int register){
         //first parameter = slaveID = always 1 because we only have one
         //second parameter = register address ==> it is named offset because it starts with 0 and goes to the desired address
-        boolean booleanValue = this.master.getValue(BaseLocator.coilStatus(1,register));
-        return booleanValue;
+        try{
+            boolean booleanValue = this.master.getValue(BaseLocator.coilStatus(1,register));
+            return booleanValue;
+        }
+        catch (ModbusTransportException e){
+            e.printStackTrace();
+        }
+        catch (ErrorResponseException e){
+            e.printStackTrace();
+        }
+        return false;
     }
     /**
      * method to read a boolean value in the correct modbus register
      * get the value from the holding register
      * @param register address of the register
      * @return float value of the desired register
-     * @throws ModbusTransportException
-     * @throws ErrorResponseException
      */
-    public float readFloat(int register)throws ModbusTransportException, ErrorResponseException{
+    public float readFloat(int register){
         //first parameter = slaveID = always 1 because we only have one
         //second parameter = register address ==> it is named offset because it starts with 0 and goes to the desired address
         //third parameter = DataType of the value. The max value is 3 Byte Float, but the class DataType has only 2 or 4 byte
-        float floatValue = (float) this.master.getValue(BaseLocator.holdingRegister(1,register, DataType.FOUR_BYTE_FLOAT));
-        return floatValue;
+        try {
+            float floatValue = (float) this.master.getValue(BaseLocator.holdingRegister(1,register, DataType.FOUR_BYTE_FLOAT));
+            return floatValue;
+        }
+        catch (ModbusTransportException e){
+            e.printStackTrace();
+        }
+        catch (ErrorResponseException e){
+            e.printStackTrace();
+        }
+        return 0F;
     }
     /**
      * this main method is only for testing the ModbusAccessor class
      * @param args
      */
+    /*
     public static void main(String[] args) {
         //create an instance of ModbusAccessor and connect it with the server
         ModbusAccessor test = ModbusAccessor.getMySelf();
         test.connect("LocalHost", 1502);
         //do this all the time
         while(true){
-            try{
                 //get a boolean value => solar SetPoint
                 boolean solar_connect_st = test.readBoolean(609);           //SOLAR_CONNECT_ST
                 //get a float value => factory SetPoint
@@ -145,13 +172,9 @@ public class ModbusAccessor {
                 }else{
                     System.out.println("Solar is disconnected");
                 }
-            }catch (ModbusTransportException e){
-
-            }catch (ErrorResponseException e){
-
-            }
         }
     }
+     */
 }
 
 

src/main/java/ch/hevs/isi/field/ModbusRegister.java

@@ -0,0 +1,29 @@
+package ch.hevs.isi.field;
+
+import ch.hevs.isi.core.DataPoint;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public abstract class ModbusRegister {
+    protected int address;
+    public static HashMap<DataPoint, ModbusRegister> map = new HashMap<>();
+    public void updateMapOfRegisters(DataPoint dp, int address){
+        this.address = address;
+        map.put(dp,this);
+    }
+    public static ModbusRegister getRegisterFromDatapoint(DataPoint dp){
+        return map.get(dp);
+    }
+    public int getAddress() {
+        return address;
+    }
+
+    public static void poll(){
+        for (ModbusRegister mr : map.values()){
+            mr.read();                              //read all values (registers) of the map
+        }
+    }
+    public abstract void read();        //abstract prototype of the method read
+    public abstract void write();       //abstract prototype of the method read
+}

src/main/java/ch/hevs/isi/field/PollTask.java

@@ -0,0 +1,10 @@
+package ch.hevs.isi.field;
+
+import java.util.TimerTask;
+
+public class PollTask extends TimerTask {
+    @Override
+    public void run() {
+        ModbusRegister.poll();
+    }
+}