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Added receiving of raw data - not working yet - numSamples wrong and null pointer exception converting to AccelData class.

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This commit is contained in:
Graham Jones
2016-06-27 22:45:43 +01:00
parent c871509d62
commit c0d0f9ed30
4 changed files with 124 additions and 32 deletions
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app/src/main/assets/pebble_sd.pbw
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69
app/src/main/java/uk/org/openseizuredetector/AccelData.java Normal file
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@@ -0,0 +1,69 @@
package uk.org.openseizuredetector;
import android.util.Log;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.TimeZone;
/**
* Created by graham on 27/06/16.
*/
/* From https://github.com/kramimus/pebble-accel-analyzer */
public class AccelData {
private final String TAG = AccelData.class.getSimpleName();
final private int x;
final private int y;
final private int z;
private long timestamp = 0;
final private boolean didVibrate;
public AccelData(byte[] data) {
x = (data[0] & 0xff) | (data[1] << 8);
y = (data[2] & 0xff) | (data[3] << 8);
z = (data[4] & 0xff) | (data[5] << 8);
didVibrate = data[6] != 0;
for (int i = 0; i < 8; i++) {
timestamp |= ((long)(data[i+7] & 0xff)) << (i * 8);
}
}
public JSONObject toJson() {
JSONObject json = new JSONObject();
try {
json.put("x", x);
json.put("y", y);
json.put("z", z);
json.put("ts", timestamp);
json.put("v", didVibrate);
return json;
} catch (JSONException e) {
Log.w(TAG, "problem constructing accel data, skipping " + e);
}
return null;
}
public static List<AccelData> fromDataArray(byte[] data) {
List<AccelData> accels = new ArrayList<AccelData>();
for (int i = 0; i < data.length; i += 15) {
accels.add(new AccelData(Arrays.copyOfRange(data, i, i + 15)));
}
return accels;
}
public long getTimestamp() {
return timestamp;
}
public void applyTimezone(TimeZone tz) {
timestamp -= tz.getOffset(timestamp);
}
}

4
app/src/main/java/uk/org/openseizuredetector/SdData.java
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@@ -50,6 +50,8 @@ public class SdData implements Parcelable {
public short mFallThreshMin;
public short mFallThreshMax;
public short mFallWindow;
public long mSdMode;
public long mSampleFreq;
public long alarmFreqMin;
public long alarmFreqMax;
public long nMin;
@@ -148,6 +150,8 @@ public class SdData implements Parcelable {
jsonObj.put("haveSettings", haveSettings);
jsonObj.put("alarmState", alarmState);
jsonObj.put("alarmPhrase", alarmPhrase);
jsonObj.put("sdMode",mSdMode);
jsonObj.put("sampleFreq",mSampleFreq);
jsonObj.put("alarmFreqMin",alarmFreqMin);
jsonObj.put("alarmFreqMax",alarmFreqMax);
jsonObj.put("alarmThresh", alarmThresh);

83
app/src/main/java/uk/org/openseizuredetector/SdDataSourcePebble.java
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@@ -38,6 +38,9 @@ import com.getpebble.android.kit.Constants;
import com.getpebble.android.kit.PebbleKit;
import com.getpebble.android.kit.util.PebbleDictionary;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
@@ -46,6 +49,10 @@ import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.IntBuffer;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.TimeZone;
import java.util.Timer;
import java.util.TimerTask;
import java.util.UUID;
@@ -63,7 +70,7 @@ public class SdDataSourcePebble extends SdDataSource {
private Time mPebbleStatusTime;
private boolean mPebbleAppRunningCheck = false;
private int mAppRestartTimeout = 10; // Timeout before re-starting watch app (sec) if we have not received
// data after mDataUpdatePeriod
// data after mDataUpdatePeriod
//private Looper mServiceLooper;
private int mFaultTimerPeriod = 30; // Fault Timer Period in sec
private PebbleKit.PebbleDataReceiver msgDataHandler = null;
@@ -103,11 +110,14 @@ public class SdDataSourcePebble extends SdDataSource {
private int KEY_MAN_ALARM_PERIOD = 27;
private int KEY_SD_MODE = 28;
private int KEY_SAMPLE_FREQ = 29;
private int KEY_RAW_DATA = 30;
private int KEY_NUM_RAW_DATA = 31;
// Values of the KEY_DATA_TYPE entry in a message
private int DATA_TYPE_RESULTS = 1; // Analysis Results
private int DATA_TYPE_SETTINGS = 2; // Settings
private int DATA_TYPE_SPEC = 3; // FFT Spectrum (or part of a spectrum)
private int DATA_TYPE_RAW = 4; // raw accelerometer data.
private short mDataUpdatePeriod;
private short mMutePeriod;
private short mManAlarmPeriod;
@@ -125,7 +135,7 @@ public class SdDataSourcePebble extends SdDataSource {
private short mFallWindow;
public SdDataSourcePebble(Context context, SdDataReceiver sdDataReceiver) {
super(context,sdDataReceiver);
super(context, sdDataReceiver);
mName = "Pebble";
// Set default settings from XML files (mContext is set by super().
PreferenceManager.setDefaultValues(mContext,
@@ -255,15 +265,15 @@ public class SdDataSourcePebble extends SdDataSource {
mManAlarmPeriod = (short) Integer.parseInt(prefStr);
Log.v(TAG, "updatePrefs() ManAlarmPeriod = " + mManAlarmPeriod);
prefStr = SP.getString("PebbleSdMode","SET_FROM_XML");
prefStr = SP.getString("PebbleSdMode", "SET_FROM_XML");
mPebbleSdMode = (short) Integer.parseInt(prefStr);
Log.v(TAG, "updatePrefs() PebbleSdMode = " + mPebbleSdMode);
prefStr = SP.getString("SampleFreq","SET_FROM_XML");
prefStr = SP.getString("SampleFreq", "SET_FROM_XML");
mSampleFreq = (short) Integer.parseInt(prefStr);
Log.v(TAG, "updatePrefs() SampleFreq = " + mSampleFreq);
prefStr = SP.getString("AlarmFreqMin","SET_FROM_XML");
prefStr = SP.getString("AlarmFreqMin", "SET_FROM_XML");
mAlarmFreqMin = (short) Integer.parseInt(prefStr);
Log.v(TAG, "updatePrefs() AlarmFreqMin = " + mAlarmFreqMin);
@@ -325,7 +335,7 @@ public class SdDataSourcePebble extends SdDataSource {
Log.v(TAG, "Received message from Pebble - data type="
+ data.getUnsignedIntegerAsLong(KEY_DATA_TYPE));
// If we have a message, the app must be running
Log.v(TAG,"Setting mPebbleAppRunningCheck to true");
Log.v(TAG, "Setting mPebbleAppRunningCheck to true");
mPebbleAppRunningCheck = true;
PebbleKit.sendAckToPebble(context, transactionId);
//Log.v(TAG,"Message is: "+data.toJsonString());
@@ -377,6 +387,16 @@ public class SdDataSourcePebble extends SdDataSource {
mSdData.batteryPc = data.getUnsignedIntegerAsLong(KEY_BATTERY_PC);
mSdData.haveSettings = true;
}
if (data.getUnsignedIntegerAsLong(KEY_DATA_TYPE)
== DATA_TYPE_RAW) {
Log.v(TAG, "DATA_TYPE = Raw");
long numSamples = data.getUnsignedIntegerAsLong(KEY_NUM_RAW_DATA);
Log.v(TAG, "numSamples = " + numSamples);
byte[] rawData = data.getBytes(KEY_RAW_DATA);
for (AccelData reading : AccelData.fromDataArray(rawData)) {
Log.i(TAG, "reading ts " + reading.getTimestamp());
}
}
}
};
PebbleKit.registerReceivedDataHandler(mContext, msgDataHandler);
@@ -439,14 +459,14 @@ public class SdDataSourcePebble extends SdDataSource {
* variables to the watch.
*/
public void sendPebbleSdSettings() {
Log.v(TAG, "sendPebblSdSettings() - preparing settings dictionary..");
Log.v(TAG, "sendPebblSdSettings() - preparing settings dictionary.. mSampleFreq=" + mSampleFreq);
// Watch Settings
final PebbleDictionary setDict = new PebbleDictionary();
setDict.addInt16(KEY_DATA_UPDATE_PERIOD, mDataUpdatePeriod);
setDict.addInt16(KEY_MUTE_PERIOD, mMutePeriod);
setDict.addInt16(KEY_MAN_ALARM_PERIOD, mManAlarmPeriod);
setDict.addInt16(KEY_SD_MODE,mPebbleSdMode);
setDict.addInt16(KEY_SAMPLE_FREQ,mSampleFreq);
setDict.addInt16(KEY_SD_MODE, mPebbleSdMode);
setDict.addInt16(KEY_SAMPLE_FREQ, mSampleFreq);
setDict.addInt16(KEY_ALARM_FREQ_MIN, mAlarmFreqMin);
setDict.addInt16(KEY_ALARM_FREQ_MAX, mAlarmFreqMax);
setDict.addUint16(KEY_WARN_TIME, mWarnTime);
@@ -474,57 +494,57 @@ public class SdDataSourcePebble extends SdDataSource {
* @return true if they are all the same, or false if there are discrepancies.
*/
public boolean checkWatchSettings() {
boolean settingsOk = true;
if (mDataUpdatePeriod != mSdData.mDataUpdatePeriod) {
Log.v(TAG,"checkWatchSettings - mDataUpdatePeriod Wrong");
boolean settingsOk = true;
if (mDataUpdatePeriod != mSdData.mDataUpdatePeriod) {
Log.v(TAG, "checkWatchSettings - mDataUpdatePeriod Wrong");
settingsOk = false;
}
if (mMutePeriod != mSdData.mMutePeriod) {
Log.v(TAG,"checkWatchSettings - mMutePeriod Wrong");
Log.v(TAG, "checkWatchSettings - mMutePeriod Wrong");
settingsOk = false;
}
if (mManAlarmPeriod != mSdData.mManAlarmPeriod) {
Log.v(TAG,"checkWatchSettings - mManAlarmPeriod Wrong");
Log.v(TAG, "checkWatchSettings - mManAlarmPeriod Wrong");
settingsOk = false;
}
if (mAlarmFreqMin != mSdData.alarmFreqMin) {
Log.v(TAG,"checkWatchSettings - mAlarmFreqMin Wrong");
Log.v(TAG, "checkWatchSettings - mAlarmFreqMin Wrong");
settingsOk = false;
}
if (mAlarmFreqMax != mSdData.alarmFreqMax) {
Log.v(TAG,"checkWatchSettings - mAlarmFreqMax Wrong");
Log.v(TAG, "checkWatchSettings - mAlarmFreqMax Wrong");
settingsOk = false;
}
if (mWarnTime != mSdData.warnTime) {
Log.v(TAG,"checkWatchSettings - mWarnTime Wrong");
Log.v(TAG, "checkWatchSettings - mWarnTime Wrong");
settingsOk = false;
}
if (mAlarmTime != mSdData.alarmTime) {
Log.v(TAG,"checkWatchSettings - mAlarmTime Wrong");
Log.v(TAG, "checkWatchSettings - mAlarmTime Wrong");
settingsOk = false;
}
if (mAlarmThresh != mSdData.alarmThresh) {
Log.v(TAG,"checkWatchSettings - mAlarmThresh Wrong");
Log.v(TAG, "checkWatchSettings - mAlarmThresh Wrong");
settingsOk = false;
}
if (mAlarmRatioThresh != mSdData.alarmRatioThresh) {
Log.v(TAG,"checkWatchSettings - mAlarmRatioThresh Wrong");
Log.v(TAG, "checkWatchSettings - mAlarmRatioThresh Wrong");
settingsOk = false;
}
if (mFallActive != mSdData.mFallActive) {
Log.v(TAG,"checkWatchSettings - mAlarmFreqMin Wrong");
Log.v(TAG, "checkWatchSettings - mAlarmFreqMin Wrong");
settingsOk = false;
}
if (mFallThreshMin != mSdData.mFallThreshMin) {
Log.v(TAG,"checkWatchSettings - mFallThreshMin Wrong");
Log.v(TAG, "checkWatchSettings - mFallThreshMin Wrong");
settingsOk = false;
}
if (mFallThreshMax != mSdData.mFallThreshMax) {
Log.v(TAG,"checkWatchSettings - mFallThreshMax Wrong");
Log.v(TAG, "checkWatchSettings - mFallThreshMax Wrong");
settingsOk = false;
}
if (mFallWindow != mSdData.mFallWindow) {
Log.v(TAG,"checkWatchSettings - mFallWindow Wrong");
Log.v(TAG, "checkWatchSettings - mFallWindow Wrong");
settingsOk = false;
}
@@ -557,7 +577,7 @@ public class SdDataSourcePebble extends SdDataSource {
tnow.setToNow();
// get time since the last data was received from the Pebble watch.
tdiff = (tnow.toMillis(false) - mPebbleStatusTime.toMillis(false));
Log.v(TAG, "getPebbleStatus() - mPebbleAppRunningCheck="+mPebbleAppRunningCheck+" tdiff="+tdiff);
Log.v(TAG, "getPebbleStatus() - mPebbleAppRunningCheck=" + mPebbleAppRunningCheck + " tdiff=" + tdiff);
// Check we are actually connected to the pebble.
mSdData.pebbleConnected = PebbleKit.isWatchConnected(mContext);
if (!mSdData.pebbleConnected) mPebbleAppRunningCheck = false;
@@ -566,7 +586,7 @@ public class SdDataSourcePebble extends SdDataSource {
// the app is not talking to us
// mPebbleAppRunningCheck is set to true in the receiveData handler.
if (!mPebbleAppRunningCheck &&
(tdiff > (mDataUpdatePeriod+mAppRestartTimeout) * 1000)) {
(tdiff > (mDataUpdatePeriod + mAppRestartTimeout) * 1000)) {
Log.v(TAG, "getPebbleStatus() - tdiff = " + tdiff);
mSdData.pebbleAppRunning = false;
Log.v(TAG, "getPebbleStatus() - Pebble App Not Running - Attempting to Re-Start");
@@ -574,7 +594,7 @@ public class SdDataSourcePebble extends SdDataSource {
//mPebbleStatusTime = tnow; // set status time to now so we do not re-start app repeatedly.
getPebbleSdSettings();
// Only make audible warning beep if we have not received data for more than mFaultTimerPeriod seconds.
if (tdiff > (mDataUpdatePeriod+mFaultTimerPeriod) * 1000) {
if (tdiff > (mDataUpdatePeriod + mFaultTimerPeriod) * 1000) {
mSdDataReceiver.onSdDataFault(mSdData);
} else {
Log.v(TAG, "getPebbleStatus() - Waiting for mFaultTimerPeriod before issuing audible warning...");
@@ -628,10 +648,9 @@ public class SdDataSourcePebble extends SdDataSource {
}
}
}