read csv file and add some comments

src/main/java/ch/hevs/isi/core/DataPoint.java

@@ -35,7 +35,6 @@ public abstract class DataPoint{
         }
 
     }
-
     /**
      * Just get the label of this DataPoint
      * @return the label in a string

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

@@ -1,6 +1,7 @@
 package ch.hevs.isi.field;
 
 import ch.hevs.isi.core.BooleanDataPoint;
+import ch.hevs.isi.core.DataPoint;
 
 public class BooleanRegister extends ModbusRegister{
     private boolean value;
@@ -11,7 +12,6 @@ public class BooleanRegister extends ModbusRegister{
         value = bdp.getValue();
         updateMapOfRegisters(bdp, address);
     }
-
     @Override
     public void read() {
         bdp.setValue(ModbusAccessor.getMySelf().readBoolean(this.getAddress()));

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

@@ -4,12 +4,24 @@ import ch.hevs.isi.core.DataPoint;
 import ch.hevs.isi.core.DataPointListener;
 import ch.hevs.isi.core.FloatDataPoint;
 
+import java.io.BufferedReader;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.IOException;
 import java.util.Timer;
 
 public class FieldConnector implements DataPointListener {
     private static FieldConnector mySelf = null;
     private FieldConnector(){
+        initialize("LocalHost",1502, "C:/Nils/Hesso/4_Semester/SIN/Minecraft_Electrical_Age_Project/ModbusMap.csv");
     }
+
+    /**
+     * static method to create a singleton pattern of the class
+     * checks if an instance of the class is already made
+     * if not, it creates an instance of the class FieldConnector
+     * @return instance of FieldConnector
+     */
     public static FieldConnector getMySelf(){
         if (mySelf == null){
             mySelf = new FieldConnector();
@@ -17,18 +29,70 @@ public class FieldConnector implements DataPointListener {
         return mySelf;
     }
 
-    public void initialize(String host, int port){
+    /**
+     * read the csv-file of the ModbusMap
+     * @param pathToFile path to the file of all modbus registers (C:/.../ModbusMap.csv)
+     */
+    public static void createRegister(String pathToFile){
+        try{
+            BufferedReader csvFile = new BufferedReader(new FileReader(pathToFile));
+            csvFile.readLine();
 
+            while(csvFile.ready()){
+                String line = csvFile.readLine();                   // read one line
+                String[] splitLine = line.split(";");         // split line between ";"
+
+                String label = splitLine[0];                        // first split is the label of the register
+                boolean isOutput = splitLine[3].equals("N");        // third split declares if it is an output
+                int address = new Integer((splitLine[4]));          // fourth split is the address of the register
+                float range = new Float(splitLine[5]);              // if it is a floatDatapoint, the fifth split is the range of the data
+                float offset = new Float(splitLine[6]);             // if it is a floatDatapoint, the sixth split is the offset of the data
+
+                /*
+                // create a float or a boolean register
+                if (splitLine[1].equals("B")){
+                    BooleanRegister b = new BooleanRegister(label, isOutput, address);
+                } else if(splitLine[1].equals("F")){
+                    FloatRegister f = new FloatRegister(label, isOutput, address, range, offset);
+                }
+                 */
+            }
+        }
+        catch(FileNotFoundException e){
+            e.printStackTrace();
+        }
+        catch (IOException e){
+            e.printStackTrace();
+        }
     }
 
-    private void pushToField(DataPoint dp){
-        ModbusRegister mr = ModbusRegister.getRegisterFromDatapoint(dp);
-        mr.write();
+    /**
+     * this method initialize the fieldConnector
+     * it connects the ModbusAccessor, reads the csv-file of the ModbusMap
+     * and starts the periodical polling of the modbus registers
+     * @param host  ip address of the server
+     * @param port  port of the server
+     * @param pathToFile path to the file of all modbus registers (C:/.../ModbusMap.csv)
+     */
+    public void initialize(String host, int port, String pathToFile){
+        ModbusAccessor.getMySelf().connect(host,port);
+        createRegister(pathToFile);
+        startPeriodicalPolling();
+    }
+    private void pushToField(String label, String value){
+        System.out.println("Field: " + label + " " + value);
     }
     @Override
     public void onNewValue(DataPoint dp) {
-        pushToField(dp);
+        ModbusRegister mR = ModbusRegister.getRegisterFromDatapoint(dp);
+        mR.write();
+        pushToField(dp.getLabel(),dp.toString());
     }
+
+    /**
+     * method to start a periodical task
+     * in our case it is the reading of the modbus registers
+     */
     public void startPeriodicalPolling(){
         Timer pollTimer = new Timer();
         PollTask pollTask = new PollTask();

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

@@ -1,12 +1,14 @@
 package ch.hevs.isi.field;
 
+import ch.hevs.isi.core.DataPoint;
 import ch.hevs.isi.core.FloatDataPoint;
 
+import java.util.HashMap;
+
 public class FloatRegister extends ModbusRegister{
     private Float value;
     private FloatDataPoint fdp;
-
-    public FloatRegister(String label, boolean isOutPut, int address) {
+    public FloatRegister(String label, boolean isOutPut, int address, float range, float offset) {
         this.fdp = new FloatDataPoint(label, isOutPut);
         value = fdp.getValue();
         updateMapOfRegisters(fdp,address);

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

@@ -20,7 +20,6 @@ public class ModbusAccessor {
      * private constructor
      * */
     private ModbusAccessor(){
-
     }
 
     /**

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

@@ -1,25 +1,38 @@
 package ch.hevs.isi.field;
 
 import ch.hevs.isi.core.DataPoint;
+import ch.hevs.isi.core.FloatDataPoint;
 
 import java.util.HashMap;
 
 public abstract class ModbusRegister {
     private int address;
-    public static HashMap<DataPoint, ModbusRegister> mapOfRegisters = new HashMap<>();
+
+    /**
+     * get the address of the modbus register
+     * @return address of the modbus register
+     */
+    public int getAddress() {
+        return address;
+    }
+    private final static HashMap<DataPoint, ModbusRegister> mapOfRegisters = new HashMap<>();
+
+    /**
+     * get the modbus register from the desired datapoint
+     * @param dp the desired datapoint
+     * @return modbus register
+     */
+    public static ModbusRegister getRegisterFromDatapoint(DataPoint dp){
+        return mapOfRegisters.get(dp);
+    }
     public void updateMapOfRegisters(DataPoint dp, int address){
         this.address = address;
         mapOfRegisters.put(dp,this);
     }
 
-    public int getAddress() {
-        return address;
-    }
-
-    public static ModbusRegister getRegisterFromDatapoint(DataPoint dp){
-        return mapOfRegisters.get(dp);
-    }
-
+    /**
+     * read periodically each modbus register
+     */
     public static void poll(){
         for (ModbusRegister mr : mapOfRegisters.values()){
             mr.read();                              //read all values (registers) of the map

src/test/java/Field.java

@@ -8,11 +8,11 @@ public class Field {
     public static void main(String[] args) {
 
 
-        FloatRegister fRI = new FloatRegister("GRID_U_FLOAT",false,89);
+        //FloatRegister fRI = new FloatRegister("GRID_U_FLOAT",false,89);
         BooleanRegister bRI = new BooleanRegister("SOLAR_CONNECT_ST", false ,609);
         FieldConnector.getMySelf().startPeriodicalPolling();
 
-        FloatRegister fRO = new FloatRegister("REMOTE_FACTORY_SP",true,205);
+        //FloatRegister fRO = new FloatRegister("REMOTE_FACTORY_SP",true,205);
         BooleanRegister bRO = new BooleanRegister("REMOTE_SOLAR_SW", true ,401);
 
         /*