/**
* Method main
*
* @param args
* @throws OneWireException
* @throws OneWireIOException
*/
public static void main(String[] args) throws OneWireIOException, OneWireException {
boolean show_history = false;
boolean show_log = false;
boolean show_histogram = false;
boolean pre_kill = false;
boolean post_kill = false;
boolean usedefault = false;
DSPortAdapter access = null;
String adapter_name = null;
String port_name = null;
if ((args == null) || (args.length < 1) || (args[0].indexOf("_") == -1)) {
try {
access = OneWireAccessProvider.getDefaultAdapter();
if (access == null) throw new Exception();
} catch (Exception e) {
System.out.println("Couldn't get default adapter!");
printUsageString();
return;
}
usedefault = true;
}
if ((args != null) && (args.length > 0) && (usedefault)) {
String arg = args[0];
if (arg.indexOf("a") != -1) show_history = true;
if (arg.indexOf("l") != -1) show_log = true;
if (arg.indexOf("h") != -1) show_histogram = true;
if (arg.indexOf("k") != -1) pre_kill = true;
if (arg.indexOf("s") != -1) post_kill = true;
}
if (!usedefault) {
StringTokenizer st = new StringTokenizer(args[0], "_");
if (st.countTokens() != 2) {
printUsageString();
return;
}
if (args.length > 1) {
String arg = args[1];
if (arg.indexOf("a") != -1) show_history = true;
if (arg.indexOf("l") != -1) show_log = true;
if (arg.indexOf("h") != -1) show_histogram = true;
if (arg.indexOf("k") != -1) pre_kill = true;
if (arg.indexOf("s") != -1) post_kill = true;
}
adapter_name = st.nextToken();
port_name = st.nextToken();
System.out.println("Adapter Name: " + adapter_name);
System.out.println("Port Name: " + port_name);
}
if (access == null) {
try {
access = OneWireAccessProvider.getAdapter(adapter_name, port_name);
} catch (Exception e) {
System.out.println("That is not a valid adapter/port combination.");
Enumeration en = OneWireAccessProvider.enumerateAllAdapters();
while (en.hasMoreElements()) {
DSPortAdapter temp = (DSPortAdapter) en.nextElement();
System.out.println("Adapter: " + temp.getAdapterName());
Enumeration f = temp.getPortNames();
while (f.hasMoreElements()) {
System.out.println(" Port name : " + ((String) f.nextElement()));
}
}
return;
}
}
access.adapterDetected();
access.targetFamily(0x21);
access.beginExclusive(true);
access.reset();
access.setSearchAllDevices();
boolean next = access.findFirstDevice();
if (!next) {
System.out.println("Could not find any DS1921 Thermocrons!");
return;
}
OneWireContainer21 owc = new OneWireContainer21();
owc.setupContainer(access, access.getAddressAsLong());
// put the part into overdrive...make it sizzle!
owc.setSpeed(access.SPEED_OVERDRIVE, true);
// let's gather our information here...
long t1 = System.currentTimeMillis();
if (pre_kill) {
try {
owc.disableMission();
} catch (Exception e) {
System.out.println("Couldn't end mission before reading: " + e.toString());
}
}
boolean mission_in_progress = owc.getFlag(owc.STATUS_REGISTER, owc.MISSION_IN_PROGRESS_FLAG);
byte[] state;
Calendar cal = Calendar.getInstance();
// first, check to make sure that the thermochron isn't
// sampling, or at least that a sample isn't about to occur.
boolean isSampling = false;
do {
state = owc.readDevice();
cal.setTime(new Date(owc.getClock(state)));
isSampling =
mission_in_progress
&& (owc.getFlag(owc.STATUS_REGISTER, owc.SAMPLE_IN_PROGRESS_FLAG, state)
|| (cal.get(Calendar.SECOND) > 55));
if (isSampling) {
// wait for current sample to finish
try {
Thread.sleep(1000);
} catch (InterruptedException ie) {;
}
}
} while (isSampling);
int mission_count = owc.getMissionSamplesCounter(state);
int device_count = owc.getDeviceSamplesCounter(state);
long rtc = owc.getClock(state);
long next_alarm = owc.getClockAlarm(state);
Calendar time_stamp = owc.getMissionTimeStamp(state);
int sample_rate = owc.getSampleRate(state);
double high_alarm = owc.getTemperatureAlarm(owc.ALARM_HIGH, state);
double low_alarm = owc.getTemperatureAlarm(owc.ALARM_LOW, state);
int[] histogram = owc.getTemperatureHistogram();
byte[] log = owc.getTemperatureLog(state);
byte[] high_history = owc.getAlarmHistory(owc.TEMPERATURE_HIGH_ALARM);
byte[] low_history = owc.getAlarmHistory(owc.TEMPERATURE_LOW_ALARM);
long t2 = System.currentTimeMillis();
boolean clock_enabled = owc.isClockRunning(state);
boolean alarm_enabled = owc.isClockAlarmEnabled(state);
boolean clock_alarm = owc.isClockAlarming(state);
boolean rollover = owc.getFlag(owc.CONTROL_REGISTER, owc.ROLLOVER_ENABLE_FLAG, state);
double current_temp = 0;
String mission_in_progress_string;
if (!mission_in_progress) {
owc.doTemperatureConvert(state);
current_temp = owc.getTemperature(state);
mission_in_progress_string = "- NO MISSION IN PROGRESS AT THIS TIME";
} else mission_in_progress_string = "- MISSION IS CURRENTLY RUNNING";
// spew all this data
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
System.out.println("Dallas Semiconductor DS1921 Thermocron Mission Summary Demo");
System.out.println("-----------------------------------------------------------");
System.out.println("- Device ID : " + owc.getAddressAsString());
System.out.println(mission_in_progress_string);
if (!mission_in_progress) {
System.out.println("- Current Temperature : " + current_temp);
} else System.out.println("- Cannot read current temperature with mission in progress");
System.out.println("-----------------------------------------------------------");
System.out.println("- Number of mission samples: " + mission_count);
System.out.println("- Total number of samples : " + device_count);
System.out.println("- Real Time Clock : " + (clock_enabled ? "ENABLED" : "DISABLED"));
System.out.println("- Real Time Clock Value : " + (new Date(rtc)));
System.out.println("- Clock Alarm : " + (alarm_enabled ? "ENABLED" : "DISABLED"));
if (alarm_enabled) {
System.out.println(
"- Clock Alarm Status : " + (clock_alarm ? "ALARMING" : "NOT ALARMING"));
System.out.println("- Next alarm occurs at : " + (new Date(next_alarm)));
}
System.out.println("- Last mission started : " + time_stamp.getTime());
System.out.println("- Sample rate : Every " + sample_rate + " minutes");
System.out.println("- High temperature alarm : " + high_alarm);
System.out.println("- Low temperature alarm : " + low_alarm);
System.out.println("- Rollover enabled : " + (rollover ? "YES" : "NO"));
System.out.println("- Time to read Thermocron : " + (t2 - t1) + " milliseconds");
System.out.println("-----------------------------------------------------------");
if (show_history) {
int start_offset, violation_count;
System.out.println("-");
System.out.println("- ALARM HISTORY");
if (low_history.length == 0) {
System.out.println("- No violations against the low temperature alarm.");
System.out.println("-");
}
for (int i = 0; i < low_history.length / 4; i++) {
start_offset =
(low_history[i * 4] & 0x0ff)
| ((low_history[i * 4 + 1] << 8) & 0x0ff00)
| ((low_history[i * 4 + 2] << 16) & 0x0ff0000);
violation_count = 0x0ff & low_history[i * 4 + 3];
System.out.println("- Low alarm started at : " + (start_offset * sample_rate));
System.out.println(
"- : Lasted " + (violation_count * sample_rate) + " minutes");
}
if (high_history.length == 0) {
System.out.println("- No violations against the high temperature alarm.");
System.out.println("-");
}
for (int i = 0; i < high_history.length / 4; i++) {
start_offset =
(high_history[i * 4] & 0x0ff)
| ((high_history[i * 4 + 1] << 8) & 0x0ff00)
| ((high_history[i * 4 + 2] << 16) & 0x0ff0000);
violation_count = 0x0ff & high_history[i * 4 + 3];
System.out.println("- High alarm started at : " + (start_offset * sample_rate));
System.out.println(
"- : Lasted " + (violation_count * sample_rate) + " minutes");
}
System.out.println("-----------------------------------------------------------");
}
if (show_log) {
long time = time_stamp.getTime().getTime() + owc.getFirstLogOffset(state);
System.out.println("-");
System.out.println("- TEMPERATURE LOG");
GregorianCalendar gc = new GregorianCalendar();
for (int i = 0; i < log.length; i++) {
gc.setTime(new Date(time));
System.out.println("- Temperature recorded at : " + (gc.getTime()));
System.out.println("- was : " + owc.decodeTemperature(log[i]) + " C");
time += sample_rate * 60 * 1000;
}
System.out.println("-----------------------------------------------------------");
}
if (show_histogram) {
double resolution = owc.getTemperatureResolution();
double histBinWidth = owc.getHistogramBinWidth();
double start = owc.getHistogramLowTemperature();
System.out.println("-");
System.out.println("- TEMPERATURE HISTOGRAM");
for (int i = 0; i < histogram.length; i++) {
System.out.println(
"- Histogram entry : "
+ histogram[i]
+ " at temperature "
+ start
+ " to "
+ (start + (histBinWidth - resolution))
+ " C");
start += histBinWidth;
}
}
if (post_kill) {
try {
owc.disableMission();
} catch (Exception e) {
System.out.println("Couldn't end mission after reading: " + e.toString());
}
}
access.endExclusive();
access.freePort();
access = null;
System.out.println("Finished.");
}
/** Load the configuration properties and register e new service */
private void initialize() throws Exception {
if (context == null) return;
// Get the Config-Location value from the manifest
String configLocation = null;
Dictionary dict = context.getBundle().getHeaders();
Enumeration enum1 = dict.keys();
while (enum1.hasMoreElements()) {
Object nextKey = enum1.nextElement();
Object nextElem = dict.get(nextKey);
if (nextKey.equals("Config-Location")) {
configLocation = nextElem.toString();
break;
}
}
if (configLocation == null) {
configLocation = CONFIGFILE;
}
// Load properties from configLocation file
InputStream is = getClass().getResourceAsStream(configLocation);
Properties props = Configuration.loadProperties(is);
String ptraceout = props.getProperty("traceout");
PrintStream traceout = null;
if (ptraceout != null) {
if (ptraceout.equals("System.out")) {
traceout = System.out;
} else if (ptraceout.equals("System.err")) {
traceout = System.err;
} else {
// TODO instanciante the class with the name
System.err.println("custom trace is not implemented !");
}
} else {
traceout = null;
}
// Get the properties
String adapter_name = props.getProperty("adapterName");
String port_name = props.getProperty("portName");
traceln("Configured Adapter:" + adapter_name + " on port:" + port_name);
String poll_interval = props.getProperty("pollInterval");
int pollInterval = 1000; // default 1000 millisec
if (poll_interval != null) {
pollInterval = Integer.parseInt(poll_interval);
}
try {
if (adapter_name == null || port_name == null) {
// get the default adapter
adapter = OneWireAccessProvider.getDefaultAdapter();
} else {
adapter = OneWireAccessProvider.getAdapter(adapter_name, port_name);
}
traceln("Found adapter: " + adapter.getAdapterName() + " on port: " + adapter.getPortName());
} catch (Exception e) {
traceln("That is not a valid adapter/port combination.");
Enumeration en = OneWireAccessProvider.enumerateAllAdapters();
while (en.hasMoreElements()) {
DSPortAdapter temp = (DSPortAdapter) en.nextElement();
traceln("Adapter: " + temp.getAdapterName());
Enumeration f = temp.getPortNames();
while (f.hasMoreElements()) {
traceln(" Port name : " + ((String) f.nextElement()));
}
}
return;
}
traceln("Adapter: " + adapter.getAdapterName() + " Port: " + adapter.getPortName());
// clear any previous search restrictions
adapter.setSearchAllDevices();
adapter.targetAllFamilies();
adapter.setSpeed(DSPortAdapter.SPEED_REGULAR);
// SPEED_OVERDRIVE, SPEED_HYPERDRIVE, SPEED_FLEX
// create a network monitor
dm = new DeviceMonitor(adapter);
eventProducer = new EventProducer(context, traceout);
oneWireProducerRegister = new OneWireProducerRegister(context, pollInterval, traceout);
// add this to the event listers
dm.addDeviceMonitorEventListener(eventProducer);
dm.addDeviceMonitorEventListener(oneWireProducerRegister);
// start the monitor
// start the monitor
Thread thread = new Thread(dm);
thread.setName(DeviceMonitor.class.getName());
thread.start();
}