ID115: fetching activity data

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/id115/ID115Constants.java

@@ -44,6 +44,9 @@ public class ID115Constants {
     public static final byte CMD_KEY_NOTIFY_STOP = 0x02;
     public static final byte CMD_KEY_NOTIFY_MSG = 0x03;
 
+    // CMD_ID_HEALTH_DATA
+    public static final byte CMD_KEY_FETCH_ACTIVITY_TODAY = 0x03;
+
     // CMD_ID_DEVICE_RESTART
     public static final byte CMD_KEY_REBOOT = 0x01;
 

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/id115/ID115Coordinator.java

@@ -65,17 +65,17 @@ public class ID115Coordinator extends AbstractDeviceCoordinator {
 
     @Override
     public boolean supportsActivityDataFetching() {
-        return false;
+        return true;
     }
 
     @Override
     public boolean supportsActivityTracking() {
-        return false;
+        return true;
     }
 
     @Override
     public SampleProvider<? extends ActivitySample> getSampleProvider(GBDevice device, DaoSession session) {
-        return null;
+        return new ID115SampleProvider(device, session);
     }
 
     @Override

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/id115/ID115SampleProvider.java

@@ -0,0 +1,61 @@
+package nodomain.freeyourgadget.gadgetbridge.devices.id115;
+
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+
+import de.greenrobot.dao.AbstractDao;
+import de.greenrobot.dao.Property;
+import nodomain.freeyourgadget.gadgetbridge.devices.AbstractSampleProvider;
+import nodomain.freeyourgadget.gadgetbridge.entities.DaoSession;
+import nodomain.freeyourgadget.gadgetbridge.entities.ID115ActivitySample;
+import nodomain.freeyourgadget.gadgetbridge.entities.ID115ActivitySampleDao;
+import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
+
+public class ID115SampleProvider extends AbstractSampleProvider<ID115ActivitySample> {
+    public ID115SampleProvider(GBDevice device, DaoSession session) {
+        super(device, session);
+    }
+
+    @Override
+    public AbstractDao<ID115ActivitySample, ?> getSampleDao() {
+        return getSession().getID115ActivitySampleDao();
+    }
+
+    @Nullable
+    @Override
+    protected Property getRawKindSampleProperty() {
+        return ID115ActivitySampleDao.Properties.RawKind;
+    }
+
+    @NonNull
+    @Override
+    protected Property getTimestampSampleProperty() {
+        return ID115ActivitySampleDao.Properties.Timestamp;
+    }
+
+    @NonNull
+    @Override
+    protected Property getDeviceIdentifierSampleProperty() {
+        return ID115ActivitySampleDao.Properties.DeviceId;
+    }
+
+    @Override
+    public int normalizeType(int rawType) {
+        return rawType;
+    }
+
+    @Override
+    public int toRawActivityKind(int activityKind) {
+        return activityKind;
+    }
+
+    @Override
+    public float normalizeIntensity(int rawIntensity) {
+        return rawIntensity;
+    }
+
+    @Override
+    public ID115ActivitySample createActivitySample() {
+        return new ID115ActivitySample();
+    }
+}

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/id115/FetchActivityOperation.java

@@ -0,0 +1,160 @@
+package nodomain.freeyourgadget.gadgetbridge.service.devices.id115;
+
+import android.widget.Toast;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Calendar;
+import java.util.GregorianCalendar;
+
+import nodomain.freeyourgadget.gadgetbridge.GBApplication;
+import nodomain.freeyourgadget.gadgetbridge.database.DBHandler;
+import nodomain.freeyourgadget.gadgetbridge.database.DBHelper;
+import nodomain.freeyourgadget.gadgetbridge.devices.id115.ID115Constants;
+import nodomain.freeyourgadget.gadgetbridge.devices.id115.ID115SampleProvider;
+import nodomain.freeyourgadget.gadgetbridge.entities.ID115ActivitySample;
+import nodomain.freeyourgadget.gadgetbridge.model.ActivityKind;
+import nodomain.freeyourgadget.gadgetbridge.service.btle.TransactionBuilder;
+import nodomain.freeyourgadget.gadgetbridge.util.GB;
+
+public class FetchActivityOperation extends AbstractID115Operation {
+    private static final Logger LOG = LoggerFactory.getLogger(FetchActivityOperation.class);
+    private byte expectedCmd;
+    private byte expectedSeq;
+    private ArrayList<byte[]> packets;
+
+    protected FetchActivityOperation(ID115Support support) {
+        super(support);
+    }
+
+    @Override
+    boolean isHealthOperation() {
+        return true;
+    }
+
+    @Override
+    protected void doPerform() throws IOException {
+        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        outputStream.write(ID115Constants.CMD_ID_HEALTH_DATA);
+        outputStream.write(ID115Constants.CMD_KEY_FETCH_ACTIVITY_TODAY);
+        outputStream.write(0x01);
+        outputStream.write(0x00);
+        outputStream.write(0x00);
+        byte cmd[] = outputStream.toByteArray();
+
+        expectedCmd = ID115Constants.CMD_KEY_FETCH_ACTIVITY_TODAY;
+        expectedSeq = 1;
+        packets = new ArrayList<>();
+
+        TransactionBuilder builder = performInitialized("send activity fetch request");
+        builder.write(controlCharacteristic, cmd);
+        builder.queue(getQueue());
+    }
+
+    @Override
+    void handleResponse(byte[] data) {
+        if (!isOperationRunning()) {
+            LOG.error("ignoring notification because operation is not running. Data length: " + data.length);
+            getSupport().logMessageContent(data);
+            return;
+        }
+
+        if (data.length < 4) {
+            LOG.warn("short GATT response");
+            return;
+        }
+
+        if (data[0] == ID115Constants.CMD_ID_HEALTH_DATA) {
+            if (data[1] == (byte)0xEE) {
+                LOG.info("Activity data transfer has finished.");
+                parseAndStore();
+                operationFinished();
+            } else {
+                if ((data[1] != expectedCmd) || (data[2] != expectedSeq)) {
+                    GB.toast(getContext(), "Error fetching ID115 activity data, you may need to connect and disconnect", Toast.LENGTH_LONG, GB.ERROR);
+                    operationFinished();
+                    return;
+                }
+                expectedSeq += 1;
+
+                byte payload[] = new byte[data.length - 4];
+                System.arraycopy(data, 4, payload, 0, payload.length);
+                packets.add(payload);
+            }
+        }
+    }
+
+    void parseAndStore() {
+        if (packets.size() <= 1) {
+            return;
+        }
+
+        byte[] header = packets.get(0);
+        int year = ((header[1] & 0xFF) << 8) | (header[0] & 0xFF);
+        int month = header[2] & 0xFF;
+        int day = header[3] & 0xFF;
+        int sampleDurationMinutes = header[6] & 0xFF;
+        Calendar calendar = new GregorianCalendar(year, month - 1, day);
+        int ts = (int)(calendar.getTimeInMillis() / 1000);
+        int dt = sampleDurationMinutes * 60;
+
+        ArrayList<ID115ActivitySample> samples = new ArrayList<>();
+
+        for (int i = 2; i < packets.size(); i++) {
+            byte[] packet = packets.get(i);
+            for (int j = 0; j <= packet.length - 5; j += 5) {
+                byte[] sampleData = new byte[5];
+                System.arraycopy(packet, j, sampleData, 0, sampleData.length);
+
+                ID115ActivitySample sample = parseSample(sampleData);
+                if (sample != null) {
+                    sample.setTimestamp(ts);
+                    sample.setRawKind(ActivityKind.TYPE_ACTIVITY);
+                    samples.add(sample);
+                }
+                ts += dt;
+            }
+        }
+
+        try (DBHandler dbHandler = GBApplication.acquireDB()) {
+            ID115ActivitySample[] sampleArray = samples.toArray(new ID115ActivitySample[0]);
+            long userId = DBHelper.getUser(dbHandler.getDaoSession()).getId();
+            long deviceId = DBHelper.getDevice(getDevice(), dbHandler.getDaoSession()).getId();
+            for (ID115ActivitySample sample: sampleArray) {
+                sample.setUserId(userId);
+                sample.setDeviceId(deviceId);
+            }
+
+            ID115SampleProvider provider = new ID115SampleProvider(getDevice(), dbHandler.getDaoSession());
+            provider.addGBActivitySamples(sampleArray);
+        } catch (Exception ex) {
+            GB.toast(getContext(), "Error saving activity data: " + ex.getLocalizedMessage(), Toast.LENGTH_LONG, GB.ERROR);
+        }
+    }
+
+    ID115ActivitySample parseSample(byte[] data) {
+        int d01 = ((data[1] & 0xFF) << 8) | (data[0] & 0xFF);
+        int d12 = ((data[2] & 0xFF) << 8) | (data[1] & 0xFF);
+        int d23 = ((data[3] & 0xFF) << 8) | (data[2] & 0xFF);
+        int d34 = ((data[4] & 0xFF) << 8) | (data[3] & 0xFF);
+        int stepCount = (d01 >> 2) & 0xFFF;
+        int activeTime = (d12 >> 6) & 0xF;
+        int calories = (d23 >> 2) & 0x3FF;
+        int distance = (d34 >> 4);
+
+        if (stepCount == 0) {
+            return null;
+        }
+
+        ID115ActivitySample sample = new ID115ActivitySample();
+        sample.setSteps(stepCount);
+        sample.setActiveTimeMinutes(activeTime);
+        sample.setCaloriesBurnt(calories);
+        sample.setDistanceMeters(distance);
+        return sample;
+    }
+}

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/id115/ID115Support.java

@@ -64,6 +64,9 @@ public class ID115Support extends AbstractBTLEDeviceSupport {
                 .setGoal(builder)
                 .setInitialized(builder);
 
+        getDevice().setFirmwareVersion("N/A");
+        getDevice().setFirmwareVersion2("N/A");
+
         return builder;
     }
 
@@ -167,7 +170,11 @@ public class ID115Support extends AbstractBTLEDeviceSupport {
 
     @Override
     public void onFetchRecordedData(int dataTypes) {
-
+        try {
+            new FetchActivityOperation(this).perform();
+        } catch (IOException ex) {
+            LOG.error("Unable to fetch ID115 activity data", ex);
+        }
     }
 
     @Override