/**
* 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;
}
/**
* 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]);
}
}
/**
* 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;
}