/**
* Returns whether or not the device supports a testing mode.
*
* @return <code>true</code> if testing mode is supported by the device, <code>false</code>
* otherwise.
*/
public boolean isTestModeSupported() {
final String value = this.properties.get(DEVICE_FEATURE_TEST_MODE);
return Boolean.parseBoolean(value);
}
/**
* Returns whether or not the device supports triggers.
*
* @return <code>true</code> if the device supports triggers, <code>false</code> otherwise.
*/
public boolean isTriggerSupported() {
final String value = this.properties.get(DEVICE_FEATURE_TRIGGERS);
return Boolean.parseBoolean(value);
}
/**
* Returns whether or not the device supports RLE (Run-Length Encoding).
*
* @return <code>true</code> if a RLE encoder is present in the device, <code>false</code>
* otherwise.
*/
public boolean isRleSupported() {
final String value = this.properties.get(DEVICE_FEATURE_RLE);
return Boolean.parseBoolean(value);
}
/**
* Returns whether the device send its samples in "reverse" order.
*
* @return <code>true</code> if samples are send in reverse order (= last sample first), <code>
* false</code> otherwise.
*/
public boolean isSamplesInReverseOrder() {
final String rawValue = this.properties.get(DEVICE_SAMPLE_REVERSE_ORDER);
return Boolean.parseBoolean(rawValue);
}
/**
* Returns whether or not the device supports a noise filter.
*
* @return <code>true</code> if a noise filter is present in the device, <code>false</code>
* otherwise.
*/
public boolean isNoiseFilterSupported() {
final String value = this.properties.get(DEVICE_FEATURE_NOISEFILTER);
return Boolean.parseBoolean(value);
}
/**
* Returns whether upon opening the DTR line needs to be high (= <code>true</code>) or low (=
* <code>false</code>).
*
* <p>This method has no meaning if the used interface is <em>not</em> {@link
* DeviceInterface#SERIAL}.
*
* @return <code>true</code> if the DTR line needs to be set upon opening the serial port, <code>
* false</code> if the DTR line needs to be reset upon opening the serial port.
*/
public boolean isOpenPortDtr() {
final String value = this.properties.get(DEVICE_OPEN_PORT_DTR);
return Boolean.parseBoolean(value);
}
/**
* Returns whether or not the device supports "double-data rate" sampling, also known as
* "demux"-sampling.
*
* @return <code>true</code> if DDR is supported by the device, <code>false</code> otherwise.
*/
public boolean isDoubleDataRateSupported() {
final String value = this.properties.get(DEVICE_SUPPORTS_DDR);
return Boolean.parseBoolean(value);
}
/**
* Returns whether or not the device supports "complex" triggers.
*
* @return <code>true</code> if complex triggers are supported by the device, <code>false</code>
* otherwise.
*/
public boolean isComplexTriggersSupported() {
final String value = this.properties.get(DEVICE_TRIGGER_COMPLEX);
return Boolean.parseBoolean(value);
}
/**
* Returns whether or not the capture size is bound to the number of channels.
*
* @return <code>true</code> if the capture size is bound to the number of channels, <code>false
* </code> otherwise.
*/
public boolean isCaptureSizeBoundToEnabledChannels() {
final String value = this.properties.get(DEVICE_CAPTURESIZE_BOUND);
return Boolean.parseBoolean(value);
}
/**
* Reads the data from a given reader.
*
* @param aProject the project to read the settings to;
* @param aReader the reader to read the data from, cannot be <code>null</code>.
* @throws IOException in case of I/O problems.
*/
@SuppressWarnings("boxing")
public static void read(final StubDataSet aDataSet, final Reader aReader) throws IOException {
int size = -1;
Integer rate = null, channels = null, enabledChannels = null;
long triggerPos = -1L;
long absLen = -1L;
// assume 'new' file format is in use, don't support uncompressed ones...
boolean compressed = true;
final BufferedReader br = new BufferedReader(aReader);
final List<String[]> dataValues = new ArrayList<String[]>();
String line;
while ((line = br.readLine()) != null) {
// Determine whether the line is an instruction, or data...
final Matcher instructionMatcher = OLS_INSTRUCTION_PATTERN.matcher(line);
final Matcher dataMatcher = OLS_DATA_PATTERN.matcher(line);
if (dataMatcher.matches()) {
final String[] dataPair = new String[] {dataMatcher.group(1), dataMatcher.group(2)};
dataValues.add(dataPair);
} else if (instructionMatcher.matches()) {
// Ok; found an instruction...
final String instrKey = instructionMatcher.group(1);
final String instrValue = instructionMatcher.group(2);
if ("Size".equals(instrKey)) {
size = safeParseInt(instrValue);
} else if ("Rate".equals(instrKey)) {
rate = safeParseInt(instrValue);
} else if ("Channels".equals(instrKey)) {
channels = safeParseInt(instrValue);
} else if ("TriggerPosition".equals(instrKey)) {
triggerPos = Long.parseLong(instrValue);
} else if ("EnabledChannels".equals(instrKey)) {
enabledChannels = safeParseInt(instrValue);
} else if ("CursorEnabled".equals(instrKey)) {
aDataSet.setCursorsEnabled(Boolean.parseBoolean(instrValue));
} else if ("Compressed".equals(instrKey)) {
compressed = Boolean.parseBoolean(instrValue);
} else if ("AbsoluteLength".equals(instrKey)) {
absLen = Long.parseLong(instrValue);
} else if ("CursorA".equals(instrKey)) {
final long value = safeParseLong(instrValue);
if (value > Long.MIN_VALUE) {
aDataSet.getCursor(0).setTimestamp(value);
}
} else if ("CursorB".equals(instrKey)) {
final long value = safeParseLong(instrValue);
if (value > Long.MIN_VALUE) {
aDataSet.getCursor(1).setTimestamp(value);
}
} else if (instrKey.startsWith("Cursor")) {
final int idx = safeParseInt(instrKey.substring(6));
final long pos = Long.parseLong(instrValue);
if (pos > Long.MIN_VALUE) {
aDataSet.getCursor(idx).setTimestamp(pos);
}
}
}
}
// Perform some sanity checks, make it not possible to import invalid
// data...
if (dataValues.isEmpty()) {
throw new IOException("Data file does not contain any sample data!");
}
if (!compressed) {
throw new IOException(
"Uncompressed data file found! Please send this file to the OLS developers!");
}
// In case the size is not provided (as of 0.9.4 no longer mandatory),
// take the length of the data values as size indicator...
if (size < 0) {
size = dataValues.size();
}
if (size != dataValues.size()) {
throw new IOException("Data file is corrupt?! Data size does not match sample count!");
}
if (rate == null) {
throw new IOException("Data file is corrupt?! Sample rate is not provided!");
}
if ((channels == null) || (channels <= 0) || (channels > 32)) {
throw new IOException("Data file is corrupt?! Channel count is not provided!");
}
// Make sure the enabled channels are defined...
if (enabledChannels == null) {
enabledChannels = NumberUtils.getBitMask(channels);
}
int[] values = new int[size];
long[] timestamps = new long[size];
try {
for (int i = 0; i < size; i++) {
final String[] dataPair = dataValues.get(i);
values[i] = (int) Long.parseLong(dataPair[0], 16);
timestamps[i] = Long.parseLong(dataPair[1], 10) & Long.MAX_VALUE;
}
} catch (final NumberFormatException exception) {
throw new IOException("Invalid data encountered.", exception);
}
// Allow the absolute length to be undefined, in which case the last
// time stamp is used (+ some margin to be able to see the last
// sample)...
long absoluteLength = Math.max(absLen, timestamps[size - 1]);
// Finally set the captured data, and notify all event listeners...
aDataSet.setCapturedData(
new CapturedData(
values, timestamps, triggerPos, rate, channels, enabledChannels, absoluteLength));
}
/**
* Returns whether or not we're running in debug mode.
*
* @return <code>true</code> if debug mode is enabled, <code>false</code> otherwise.
*/
public static boolean isDebugMode() {
return Boolean.parseBoolean(System.getProperty("nl.lxtreme.ols.client.debug", "false"));
}