Zepp OS: Add temperature fetch operation (no DB / UI)

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/huami/HuamiService.java

@@ -229,6 +229,7 @@ public class HuamiService {
     public static final byte COMMAND_ACTIVITY_DATA_TYPE_STRESS_AUTOMATIC = 0x13;
     public static final byte COMMAND_ACTIVITY_DATA_TYPE_SPO2_NORMAL = 0x25;
     public static final byte COMMAND_ACTIVITY_DATA_TYPE_SPO2_SLEEP = 0x26;
+    public static final byte COMMAND_ACTIVITY_DATA_TYPE_TEMPERATURE = 0x2e;
     public static final byte COMMAND_ACTIVITY_DATA_TYPE_SLEEP_RESPIRATORY_RATE = 0x38;
     public static final byte COMMAND_ACTIVITY_DATA_TYPE_RESTING_HEART_RATE = 0x3a;
     public static final byte COMMAND_ACTIVITY_DATA_TYPE_MAX_HEART_RATE = 0x3d;

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/HuamiSupport.java

@@ -122,6 +122,7 @@ import nodomain.freeyourgadget.gadgetbridge.model.ActivityUser;
 import nodomain.freeyourgadget.gadgetbridge.model.Alarm;
 import nodomain.freeyourgadget.gadgetbridge.model.RecordedDataTypes;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.operations.AbstractFetchOperation;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.operations.FetchTemperatureOperation;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.operations.FetchHeartRateManualOperation;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.operations.FetchHeartRateMaxOperation;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.operations.FetchHeartRateRestingOperation;
@@ -174,7 +175,6 @@ import nodomain.freeyourgadget.gadgetbridge.service.devices.miband.NotificationS
 import nodomain.freeyourgadget.gadgetbridge.service.devices.miband.RealtimeSamplesSupport;
 import nodomain.freeyourgadget.gadgetbridge.service.serial.GBDeviceProtocol;
 import nodomain.freeyourgadget.gadgetbridge.util.AlarmUtils;
-import nodomain.freeyourgadget.gadgetbridge.util.DeviceHelper;
 import nodomain.freeyourgadget.gadgetbridge.util.GB;
 import nodomain.freeyourgadget.gadgetbridge.util.GBPrefs;
 import nodomain.freeyourgadget.gadgetbridge.util.NotificationUtils;
@@ -1698,7 +1698,11 @@ public abstract class HuamiSupport extends AbstractBTLEDeviceSupport implements
 
             if ((dataTypes & RecordedDataTypes.TYPE_SLEEP_RESPIRATORY_RATE) != 0 && coordinator.supportsSleepRespiratoryRate()) {
                 this.fetchOperationQueue.add(new FetchSleepRespiratoryRateOperation(this));
-            } 
+            }
+
+            if ((dataTypes & RecordedDataTypes.TYPE_TEMPERATURE) != 0) {
+                this.fetchOperationQueue.add(new FetchTemperatureOperation(this));
+            }
         }
 
         final AbstractFetchOperation nextOperation = this.fetchOperationQueue.poll();

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/operations/FetchTemperatureOperation.java

@@ -0,0 +1,71 @@
+/*  Copyright (C) 2023 José Rebelo
+
+    This file is part of Gadgetbridge.
+
+    Gadgetbridge is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published
+    by the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    Gadgetbridge is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>. */
+package nodomain.freeyourgadget.gadgetbridge.service.devices.huami.operations;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.util.GregorianCalendar;
+
+import nodomain.freeyourgadget.gadgetbridge.R;
+import nodomain.freeyourgadget.gadgetbridge.devices.huami.HuamiService;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.HuamiSupport;
+import nodomain.freeyourgadget.gadgetbridge.util.GB;
+
+/**
+ * An operation that fetches temperature data.
+ */
+public class FetchTemperatureOperation extends AbstractRepeatingFetchOperation {
+    private static final Logger LOG = LoggerFactory.getLogger(FetchTemperatureOperation.class);
+
+    public FetchTemperatureOperation(final HuamiSupport support) {
+        super(support, HuamiService.COMMAND_ACTIVITY_DATA_TYPE_TEMPERATURE, "body temperature data");
+    }
+
+    @Override
+    protected String taskDescription() {
+        return getContext().getString(R.string.busy_task_fetch_temperature);
+    }
+
+    @Override
+    protected boolean handleActivityData(final GregorianCalendar timestamp, final byte[] bytes) {
+        if (bytes.length % 8 != 0) {
+            LOG.info("Unexpected buffered temperature data size {} is not a multiple of 8", bytes.length);
+            return false;
+        }
+
+        final ByteBuffer buffer = ByteBuffer.wrap(bytes).order(ByteOrder.LITTLE_ENDIAN);
+
+        while (buffer.position() < bytes.length) {
+            final int temperature = buffer.getShort();
+            final byte[] unknown = new byte[6];
+            buffer.get(unknown);
+
+            // TODO persist / parse rest
+            LOG.warn("Temperature: {}, unknown={}", temperature, GB.hexdump(unknown));
+        }
+
+        return false;
+    }
+
+    @Override
+    protected String getLastSyncTimeKey() {
+        return "lastTemperatureTimeMillis";
+    }
+}

app/src/main/res/values/strings.xml

@@ -630,6 +630,7 @@
     <string name="busy_task_fetch_spo2_data">Fetching SpO2 data</string>
     <string name="busy_task_fetch_hr_data">Fetching heart rate data</string>
     <string name="busy_task_fetch_sleep_respiratory_rate_data">Fetching sleep respiratory rate data</string>
+    <string name="busy_task_fetch_temperature">Fetching temperature data</string>
     <string name="sleep_activity_date_range">From %1$s to %2$s</string>
     <string name="prefs_wearside">Wearing left or right?</string>
     <string name="prefs_weardirection">Wearing direction</string>