Exemple #1
0
  /**
   * verifies response on availability of data
   *
   * @param response of heat pump
   * @param request request defined for heat pump response
   * @return Map of Strings with name and values
   */
  public Map<String, String> parseRecords(final byte[] response, Request request)
      throws StiebelHeatPumpException {

    Map<String, String> map = new HashMap<String, String>();

    logger.debug("Parse bytes: {}", DataParser.bytesToHex(response));

    if (response.length < 2) {
      logger.error(
          "response does not have a valid length of bytes: {}", DataParser.bytesToHex(response));
      return map;
    }

    // parse response and fill map
    for (RecordDefinition recordDefinition : request.getRecordDefinitions()) {
      try {
        String value = parseRecord(response, recordDefinition);
        logger.debug(
            "Parsed value {} -> {} with pos: {} , len: {}",
            recordDefinition.getName(),
            value,
            recordDefinition.getPosition(),
            recordDefinition.getLength());
        map.put(recordDefinition.getName(), value);
      } catch (StiebelHeatPumpException e) {
        continue;
      }
    }
    return map;
  }
Exemple #2
0
  /**
   * parses a single record
   *
   * @param response of heat pump
   * @param RecordDefinition that shall be used for parsing the heat pump response
   * @return string value of the parse response
   * @throws StiebelHeatPumpException
   */
  public String parseRecord(byte[] response, RecordDefinition recordDefinition)
      throws StiebelHeatPumpException {
    try {
      if (response.length < 2) {
        logger.error(
            "response does not have a valid length of bytes: {}", DataParser.bytesToHex(response));
        throw new StiebelHeatPumpException();
      }
      ByteBuffer buffer = ByteBuffer.wrap(response);
      short number = 0;
      byte[] bytes = null;

      switch (recordDefinition.getLength()) {
        case 1:
          bytes = new byte[1];
          System.arraycopy(response, recordDefinition.getPosition(), bytes, 0, 1);
          number = Byte.valueOf(buffer.get(recordDefinition.getPosition()));
          break;
        case 2:
          bytes = new byte[2];
          System.arraycopy(response, recordDefinition.getPosition(), bytes, 0, 2);
          number = buffer.getShort(recordDefinition.getPosition());
          break;
      }

      if (recordDefinition.getBitPosition() > 0) {

        int returnValue = getBit(bytes, recordDefinition.getBitPosition());
        return String.valueOf(returnValue);
      }

      if (recordDefinition.getScale() != 1.0) {
        double myDoubleNumber = number * recordDefinition.getScale();
        myDoubleNumber = Math.round(myDoubleNumber * 100.0) / 100.0;
        String returnString = String.format("%s", myDoubleNumber);
        return returnString;
      }

      return String.valueOf(number);
    } catch (Exception e) {
      logger.error(
          "response {} could not be parsed for record definition {} ",
          DataParser.bytesToHex(response),
          recordDefinition.getName());
      throw new StiebelHeatPumpException();
    }
  }
  @Test
  // write new value for P04DHWTemperatureStandardMode use case
  public void testwriteP04DHWTemperatureStandardMode() throws StiebelHeatPumpException {
    List<Request> result =
        Requests.searchIn(
            configuration,
            new Matcher<Request>() {
              @Override
              public boolean matches(Request r) {
                return r.getName().equals("SettingsNominalValues");
              }
            });

    byte[] response =
        new byte[] {
          (byte) 0x01,
          (byte) 0x00,
          (byte) 0xf0,
          (byte) 0x17,
          (byte) 0x00,
          (byte) 0xa2,
          (byte) 0x00,
          (byte) 0xa5,
          (byte) 0x00,
          (byte) 0x64,
          (byte) 0x01,
          (byte) 0xc2,
          (byte) 0x01,
          (byte) 0xe0,
          (byte) 0x00,
          (byte) 0x64,
          (byte) 0x01,
          (byte) 0x01,
          (byte) 0x00,
          (byte) 0x01,
          (byte) 0x5e,
          (byte) 0x01,
          (byte) 0xc2,
          (byte) 0x01,
          (byte) 0x10,
          (byte) 0x03
        };

    response = parser.fixDuplicatedBytes(response);
    Assert.assertEquals(response[3], result.get(0).getRequestByte());
    Assert.assertEquals(response[2], parser.calculateChecksum(response));

    Map<String, String> data = parser.parseRecords(response, result.get(0));

    Assert.assertEquals("45.0", data.get("P04DHWTemperatureStandardMode"));

    Request request = result.get(0);
    RecordDefinition recordDefinition = null;
    for (RecordDefinition record : request.getRecordDefinitions()) {
      if (record.getName().equals("P04DHWTemperatureStandardMode")) {
        recordDefinition = record;
        break;
      }
    }
    byte[] newResponse = parser.composeRecord("45.5", response, recordDefinition);

    // update the checksum
    newResponse[2] = parser.calculateChecksum(newResponse);

    data = parser.parseRecords(newResponse, request);
    Assert.assertEquals("45.5", data.get("P04DHWTemperatureStandardMode"));
  }
  @Test
  @Ignore
  // write new value for bitPosition use case
  public void testwriteSettingsDomesticWaterProgram() throws StiebelHeatPumpException {
    List<Request> result =
        Requests.searchIn(
            configuration,
            new Matcher<Request>() {
              @Override
              public boolean matches(Request r) {
                return r.getName().equals("SettingsDomesticHotWaterProgram");
              }
            });

    byte[] response =
        new byte[] {
          (byte) 0x01,
          (byte) 0x00,
          (byte) 0x1d,
          (byte) 0x0c,
          (byte) 0x08,
          (byte) 0x98,
          (byte) 0x01,
          (byte) 0xf4,
          (byte) 0x7b,
          (byte) 0x00,
          (byte) 0x10,
          (byte) 0x03
        };

    response = parser.fixDuplicatedBytes(response);
    Assert.assertEquals(response[3], result.get(0).getRequestByte());
    Assert.assertEquals(response[2], parser.calculateChecksum(response));

    Map<String, String> data = parser.parseRecords(response, result.get(0));

    Assert.assertEquals("2200", data.get("BP1StartTime"));
    Assert.assertEquals("500", data.get("BP1StopTime"));
    Assert.assertEquals("1", data.get("BP1Monday"));
    Assert.assertEquals("1", data.get("BP1Tuesday"));
    Assert.assertEquals("0", data.get("BP1Wednesday"));
    Assert.assertEquals("1", data.get("BP1Thusday"));
    Assert.assertEquals("1", data.get("BP1Friday"));
    Assert.assertEquals("1", data.get("BP1Saturday"));
    Assert.assertEquals("1", data.get("BP1Sunday"));
    Assert.assertEquals("0", data.get("BP1Enabled"));

    Request request = result.get(0);
    RecordDefinition recordDefinition = null;
    for (RecordDefinition record : request.getRecordDefinitions()) {
      if (record.getName().equals("BP1Wednesday")) {
        recordDefinition = record;
        break;
      }
    }
    byte[] newResponse = parser.composeRecord("1", response, recordDefinition);

    // update the checksum
    newResponse[2] = parser.calculateChecksum(newResponse);

    data = parser.parseRecords(newResponse, request);
    Assert.assertEquals("1", data.get("BP1Wednesday"));
    Assert.assertEquals("2200", data.get("BP1StartTime"));
    Assert.assertEquals("500", data.get("BP1StopTime"));
    Assert.assertEquals("1", data.get("BP1Monday"));
    Assert.assertEquals("1", data.get("BP1Tuesday"));
    Assert.assertEquals("1", data.get("BP1Thusday"));
    Assert.assertEquals("1", data.get("BP1Friday"));
    Assert.assertEquals("1", data.get("BP1Saturday"));
    Assert.assertEquals("1", data.get("BP1Sunday"));
    Assert.assertEquals("0", data.get("BP1Enabled"));
  }
  @Test
  // write new value for short byte value use case
  public void testWriteTime() throws StiebelHeatPumpException {
    List<Request> result =
        Requests.searchIn(
            configuration,
            new Matcher<Request>() {
              @Override
              public boolean matches(Request r) {
                return r.getName() == "Time";
              }
            });

    byte[] response =
        new byte[] {
          (byte) 0x01,
          (byte) 0x00,
          (byte) 0x79,
          (byte) 0xfc,
          (byte) 0x00,
          (byte) 0x02,
          (byte) 0x0a,
          (byte) 0x21,
          (byte) 0x24,
          (byte) 0x0e,
          (byte) 0x00,
          (byte) 0x03,
          (byte) 0x1a,
          (byte) 0x10,
          (byte) 0x03
        };

    response = parser.fixDuplicatedBytes(response);
    Assert.assertEquals(response[3], result.get(0).getRequestByte());
    Assert.assertEquals(response[2], parser.calculateChecksum(response));

    Map<String, String> data = parser.parseRecords(response, result.get(0));

    Assert.assertEquals("2", data.get("WeekDay"));
    Assert.assertEquals("10", data.get("Hours"));
    Assert.assertEquals("33", data.get("Minutes"));
    Assert.assertEquals("36", data.get("Seconds"));
    Assert.assertEquals("14", data.get("Year"));
    Assert.assertEquals("3", data.get("Month"));
    Assert.assertEquals("26", data.get("Day"));

    byte[] resultingBytes =
        new byte[] {
          (byte) 0x01,
          (byte) 0x80,
          (byte) 0xf1,
          (byte) 0xfc,
          (byte) 0x00,
          (byte) 0x02,
          (byte) 0x0a,
          (byte) 0x22,
          (byte) 0x1b,
          (byte) 0x0e,
          (byte) 0x00,
          (byte) 0x03,
          (byte) 0x1a,
          (byte) 0x10,
          (byte) 0x03
        };

    Request request = result.get(0);
    RecordDefinition recordDefinition = null;
    for (RecordDefinition record : request.getRecordDefinitions()) {
      if (record.getName() == "Minutes") {
        recordDefinition = record;
        break;
      }
    }
    byte[] newResponse = parser.composeRecord("34", response, recordDefinition);

    for (RecordDefinition record : request.getRecordDefinitions()) {
      if (record.getName() == "Seconds") {
        recordDefinition = record;
        break;
      }
    }

    Throwable e = null;
    try {
      newResponse = parser.composeRecord("90", newResponse, recordDefinition);
    } catch (Throwable ex) {
      e = ex;
    }
    Assert.assertTrue(e instanceof StiebelHeatPumpException);

    newResponse = parser.composeRecord("27", newResponse, recordDefinition);

    // update the checksum
    newResponse[2] = parser.calculateChecksum(newResponse);

    for (int i = 0; i < newResponse.length; i++) {
      Assert.assertEquals(resultingBytes[i], newResponse[i]);
    }
  }
Exemple #6
0
  /**
   * composes the new value of a record definition into a updated set command that can be send back
   * to heat pump
   *
   * @param response of heat pump that should be updated with new value
   * @param RecordDefinition that shall be used for compose the new value into the heat pump set
   *     command
   * @param string value to be compose
   * @return byte[] ready to send to heat pump
   * @throws StiebelHeatPumpException
   */
  public byte[] composeRecord(String value, byte[] response, RecordDefinition recordDefinition)
      throws StiebelHeatPumpException {
    short newValue = 0;

    if (recordDefinition.getDataType() != Type.Settings) {
      logger.warn(
          "The record {} can not be set as it is not a setable value!", recordDefinition.getName());
      throw new StiebelHeatPumpException("record is not a setting!");
    }

    double number = Double.parseDouble(value);

    if (number > recordDefinition.getMax() || number < recordDefinition.getMin()) {
      logger.warn(
          "The record {} can not be set to value {} as allowed range is {}<-->{} !",
          recordDefinition.getName(),
          value,
          recordDefinition.getMax(),
          recordDefinition.getMin());
      throw new StiebelHeatPumpException("invalid value !");
    }

    // change response byte to setting command
    response[1] = SET;

    // reverse the scale
    if (recordDefinition.getScale() != 1.0) {
      number = number / recordDefinition.getScale();
      newValue = (short) number;
    }

    // set new bit values in a byte
    if (recordDefinition.getBitPosition() > 0) {

      byte[] abyte = new byte[] {response[recordDefinition.getPosition()]};
      abyte = setBit(abyte, recordDefinition.getBitPosition(), newValue);
      response[recordDefinition.getPosition()] = abyte[0];
      return response;
    }

    // create byte values for single and double byte values
    // and update response
    switch (recordDefinition.getLength()) {
      case 1:
        byte newByteValue = (byte) number;
        response[recordDefinition.getPosition()] = newByteValue;
        break;
      case 2:
        byte[] newByteValues = shortToByte(newValue);
        int position = recordDefinition.getPosition();
        response[position] = newByteValues[1];
        response[position + 1] = newByteValues[0];
        break;
    }

    response[2] = this.calculateChecksum(response);
    response = this.addDuplicatedBytes(response);
    logger.debug(
        "Updated record {} at position {} to value {}.",
        recordDefinition.getName(),
        recordDefinition.getPosition(),
        value);
    return response;
  }