add parsing

src/main/java/de/hottis/mbusMaster/FinderOnePhasePowerMeter.java

@@ -0,0 +1,12 @@
+package de.hottis.mbusMaster;
+
+public class FinderOnePhasePowerMeter extends MbusDevice {
+  public FinderOnePhasePowerMeter(String name, byte address, int queryPeriod) {
+    super(name, address, queryPeriod);
+    this.dataPoints.add(new DataPoint("energy", 0));
+    this.dataPoints.add(new DataPoint("voltage", 2));
+    this.dataPoints.add(new DataPoint("current", 3));
+    this.dataPoints.add(new DataPoint("activePower", 4));
+    this.dataPoints.add(new DataPoint("reactivePower", 5));
+  }
+}

src/main/java/de/hottis/mbusMaster/FinderThreePhasePowerMeter.java

@@ -0,0 +1,22 @@
+package de.hottis.mbusMaster;
+
+public class FinderThreePhasePowerMeter extends MbusDevice {
+  public FinderThreePhasePowerMeter(String name, byte address, int queryPeriod) {
+    super(name, address, queryPeriod);
+    this.dataPoints.add(new DataPoint("energy", 0));
+    this.dataPoints.add(new DataPoint("voltage1", 4));
+    this.dataPoints.add(new DataPoint("current1", 5));
+    this.dataPoints.add(new DataPoint("activePower1", 6));
+    this.dataPoints.add(new DataPoint("reactivePower1", 7));
+    this.dataPoints.add(new DataPoint("voltage2", 8));
+    this.dataPoints.add(new DataPoint("current2", 9));
+    this.dataPoints.add(new DataPoint("activePower2", 10));
+    this.dataPoints.add(new DataPoint("reactivePower2", 11));
+    this.dataPoints.add(new DataPoint("voltage3", 12));
+    this.dataPoints.add(new DataPoint("current3", 13));
+    this.dataPoints.add(new DataPoint("activePower3", 14));
+    this.dataPoints.add(new DataPoint("reactivePower3", 15));
+    this.dataPoints.add(new DataPoint("activePowerTotal", 16));
+    this.dataPoints.add(new DataPoint("reactivePowerTotal", 17));
+  }
+}

src/main/java/de/hottis/mbusMaster/MbusDevice.java

@@ -0,0 +1,111 @@
+package de.hottis.mbusMaster;
+
+import java.io.IOException;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.openmuc.jmbus.DataRecord;
+import org.openmuc.jmbus.MBusMessage;
+import org.openmuc.jmbus.VariableDataStructure;
+import org.openmuc.jmbus.DecodingException;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+
+abstract public class MbusDevice {
+	static final protected Logger logger = LogManager.getRootLogger();
+
+  private String name;
+  private byte address;
+  private int queryPeriod; // in seconds
+
+  protected List<DataRecord> dataRecords;
+  protected boolean validlyParsed;
+
+  static protected class DataPoint {
+    private String name;
+    private int index;
+    
+    protected DataPoint(String name, int index) {
+      this.name = name;
+      this.index = index;
+    }
+  }
+
+  protected ArrayList<DataPoint> dataPoints;
+
+  protected MbusDevice(String name, byte address, int queryPeriod) {
+    this.name = name;
+    this.address = address;
+    this.queryPeriod = queryPeriod;
+    this.validlyParsed = false;
+    this.dataPoints = new ArrayList<>();
+  }
+
+  public void parse(byte[] frame) throws MbusException {
+    try {
+      MBusMessage mbusMsg = MBusMessage.decode(frame, frame.length);
+      VariableDataStructure variableDataStructure = mbusMsg.getVariableDataResponse();
+      variableDataStructure.decode();
+      this.dataRecords = variableDataStructure.getDataRecords();
+      logger.debug("Datarecords parsed");
+      this.validlyParsed = true;
+    } catch (IOException | DecodingException e) {
+      this.validlyParsed = false;
+      String msg = "Error while coding frame: " + e.toString();
+      logger.error(msg);
+      throw new MbusException(msg);
+    }
+  }
+
+  public String dataToString() {
+    StringBuffer sb = new StringBuffer();
+    for (DataPoint dp : this.dataPoints) {
+      sb.append("{");
+      sb.append(dp.name + ":" + this.dataRecords.get(dp.index).getScaledDataValue());
+      sb.append("}");
+    }
+    return sb.toString();
+  }
+
+  public String toString() {
+    return this.innerString(true);
+  }
+
+  public String shortString() {
+    return this.innerString(false);
+  }
+
+  private String innerString(boolean longOutput) {
+    StringBuffer sb = new StringBuffer();
+    sb.append(this.getClass().getName() + " [");
+    sb.append("<name=" + this.getName() + "><address=" + this.getAddress() + ">");
+    if (longOutput && this.validlyParsed) {
+      sb.append(this.dataToString());
+    }
+    sb.append("]");
+    return sb.toString();
+  }
+
+  public String getName() {
+    return this.name;
+  }
+
+  public byte getAddress() {
+    return this.address;
+  }
+
+  public double getValue(String dataPointName) throws MbusException {
+    if (! validlyParsed) {
+      throw new MbusException("trying to get value before valid parsing");
+    }
+    for (DataPoint dp : this.dataPoints) {
+      if (dataPointName.equals(dp.name)) {
+        return this.dataRecords.get(dp.index).getScaledDataValue();
+      }
+    }
+    throw new MbusException("dataPoint " + dataPointName + " in getValue not found");
+  }
+}

src/main/java/de/hottis/mbusMaster/MbusException.java

@@ -0,0 +1,21 @@
+package de.hottis.mbusMaster;
+
+import java.io.IOException;
+
+public class MbusException extends IOException {
+    public MbusException() {
+        super();
+    }
+
+    public MbusException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public MbusException(String message) {
+        super(message);
+    }
+
+    public MbusException(Throwable cause) {
+        super(cause);
+    }
+}

src/main/java/de/hottis/mbusMaster/MbusMaster.java

@@ -35,48 +35,45 @@ public class MbusMaster {
 		logger.debug("Shutdown hook added");
 		*/
 
-		MbusgwChild mbusgw = new MbusgwChild(true);
+		MbusgwChild mbusgw = new MbusgwChild(false);
 		mbusgw.start();
 
-		byte[] devices = { (byte)84, (byte)87, (byte)82, (byte)83, (byte)80, (byte)85, (byte)86, (byte)81 };
-
+		MbusDevice[] devices = {
+			new FinderThreePhasePowerMeter("Total Electricity", (byte)80, 0),
+			new FinderOnePhasePowerMeter("Dryer", (byte)81, 0),
+			new FinderOnePhasePowerMeter("Laundry", (byte)82, 0),
+			new FinderOnePhasePowerMeter("Dishwasher", (byte)83, 0),
+			new FinderOnePhasePowerMeter("Light", (byte)84, 0),
+			new FinderOnePhasePowerMeter("Computer", (byte)85, 0),
+			new FinderOnePhasePowerMeter("Freezer", (byte)86, 0),
+			new FinderOnePhasePowerMeter("Fridge", (byte)87, 0)
+		};
+		
+		
 		int cnt = 0;
 		int errCnt = 0;
 		int successCnt = 0;
 		while (! stopSignal) {
-			System.out.println("--- " + cnt + " - " + successCnt + " - " + errCnt + " ---------------------------------------------------");
 			cnt++;
-			for (byte device : devices) {
-				System.out.println("Querying device " + device);
+			for (MbusDevice device : devices) {
+				System.out.println("Querying " + device.getName() + " meter");
 				try {
-					mbusgw.sendRequest((byte)0x5b, device);
-
+					mbusgw.sendRequest((byte)0x5b, device.getAddress());
 					byte[] frame = mbusgw.collectResponse();
-					
-					MBusMessage mbusMsg = MBusMessage.decode(frame, frame.length);
-					VariableDataStructure variableDataStructure = mbusMsg.getVariableDataResponse();
-					variableDataStructure.decode();
-					List<DataRecord> dataRecords = variableDataStructure.getDataRecords();
+					device.parse(frame);
 
-					for (DataRecord dr : dataRecords) {
-						System.out.println(dr);
-					}
+					System.out.println(device);
 
-					/*
-					for (byte x : frame) {
-						System.out.print(Integer.toHexString(Byte.toUnsignedInt(x)) + " ");
-					}
-					*/
-					System.out.println();
 					successCnt++;
 				} catch (IOException e) {
 					errCnt++;
-					logger.error("Error " + e.toString() + " in Meterbus dialog for device " + device);
+					logger.error("Error " + e.toString() + " in Meterbus dialog for device " + device.shortString());
 				}
 			}
 			// if (cnt >= 10) {
 			//	break;
 			//}
+			System.out.println("--- " + cnt + " - " + successCnt + " - " + errCnt + " ---------------------------------------------------");
 			Thread.sleep(5*1000);
 		}
 

src/main/java/de/hottis/mbusMaster/MbusScheduledQuerier.java

@@ -0,0 +1,21 @@
+package de.hottis.mbusMaster;
+
+import java.util.ArrayList;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+
+public class MbusScheduledQuerier {
+	static final Logger logger = LogManager.getRootLogger();
+
+  private ArrayList<MbusDevice> devices;
+
+  public MbusScheduledQuerier() {
+    this.devices = new ArrayList<>();
+
+  }
+
+
+
+}

src/main/java/de/hottis/mbusMaster/MbusgwChildException.java

@@ -2,7 +2,7 @@ package de.hottis.mbusMaster;
 
 import java.io.IOException;
 
-public class MbusgwChildException extends IOException {
+public class MbusgwChildException extends MbusException {
     public MbusgwChildException() {
         super();
     }