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4.2.3a - use 3d data if vector magnitude not available

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This commit is contained in:
Graham Jones
2024-03-21 21:08:08 +00:00
parent 0ef4ced31e
commit fa024d72db
4 changed files with 45 additions and 15 deletions
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4
app/src/main/AndroidManifest.xml
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@@ -1,8 +1,8 @@
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:versionCode="136"
android:versionName="4.2.2">
android:versionCode="137"
android:versionName="4.2.3a">
<!-- android:allowBackup="false" -->
<uses-permission android:name="android.permission.BLUETOOTH" />
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />

55
app/src/main/java/uk/org/openseizuredetector/SdDataSource.java
View File

@@ -287,6 +287,7 @@ public abstract class SdDataSource {
String watchFwVersion;
String sdVersion;
String sdName;
boolean have3dData = false;
JSONArray accelVals = null;
JSONArray accelVals3D = null;
Log.v(TAG, "updateFromJSON - " + jsonStr);
@@ -317,17 +318,6 @@ public abstract class SdDataSource {
// if we get 'null' HR (For example if the heart rate is not working)
mMute = 0;
}
accelVals = dataObject.getJSONArray("data");
Log.v(TAG, "Received " + accelVals.length() + " acceleration values, rawData Length is " + mSdData.rawData.length);
if (accelVals.length() > mSdData.rawData.length) {
mUtil.writeToSysLogFile("ERROR: Received " + accelVals.length() + " acceleration values, but rawData storage length is "
+ mSdData.rawData.length);
}
int i;
for (i = 0; i < accelVals.length(); i++) {
mSdData.rawData[i] = accelVals.getDouble(i);
}
mSdData.mNsamp = accelVals.length();
//Log.d(TAG,"accelVals[0]="+accelVals.getDouble(0)+", mSdData.rawData[0]="+mSdData.rawData[0]);
try {
accelVals3D = dataObject.getJSONArray("data3D");
@@ -336,16 +326,55 @@ public abstract class SdDataSource {
mUtil.writeToSysLogFile("ERROR: Received " + accelVals3D.length() + " 3D acceleration values, but rawData3D storage length is "
+ mSdData.rawData3D.length);
}
for (i = 0; i < accelVals3D.length(); i++) {
for (int i = 0; i < accelVals3D.length(); i++) {
mSdData.rawData3D[i] = accelVals3D.getDouble(i);
}
have3dData = true;
} catch (JSONException e) {
// If we get an error, just set rawData3D to zero
Log.i(TAG, "updateFromJSON - error parsing 3D data - setting it to zero");
for (i = 0; i < mSdData.rawData3D.length; i++) {
for (int i = 0; i < mSdData.rawData3D.length; i++) {
mSdData.rawData3D[i] = 0.;
}
have3dData = false;
}
// Try to read the vector magnitude data from the JSON string.
try {
accelVals = dataObject.getJSONArray("data");
Log.v(TAG, "Received " + accelVals.length() + " acceleration values, rawData Length is " + mSdData.rawData.length);
if (accelVals.length() > mSdData.rawData.length) {
mUtil.writeToSysLogFile("ERROR: Received " + accelVals.length() + " acceleration values, but rawData storage length is "
+ mSdData.rawData.length);
}
int i;
for (i = 0; i < accelVals.length(); i++) {
mSdData.rawData[i] = accelVals.getDouble(i);
}
mSdData.mNsamp = accelVals.length();
} catch (JSONException e) {
// If we do not have vector magnitude data, calculate it from the 3d data.
if (have3dData) {
Log.i(TAG,"Deriving Vector Magnitudes from 3d accelerometer data");
int i;
for (i = 0; i < 125; i++) {
double x, y, z;
x = mSdData.rawData3D[i*3 + 0];
y = mSdData.rawData3D[i*3 + 1];
z = mSdData.rawData3D[i*3 + 2];
mSdData.rawData[i] = Math.sqrt(x*x + y*y + z*z);
}
} else {
// If we do not have vector magnitude or 3d data, set the vector magnitude array to zero.
Log.e(TAG, "ERROR - no accelerometer data received - setting it to zero");
int i;
// FIXME - assumed fixed length of array!!
for (i = 0; i < 125; i++) {
mSdData.rawData[i] = 0.0;
}
mSdData.mNsamp = 125;
}
}
mWatchAppRunningCheck = true;
doAnalysis();