Add support for Amazfit GTR Lite (untested and incomplete)

See #1694

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/huami/amazfitgtr/AmazfitGTRLiteCoordinator.java

@@ -0,0 +1,102 @@
+/*  Copyright (C) 2017-2020 Andreas Shimokawa, Daniele Gobbetti, João
+    Paulo Barraca, José Rebelo, tiparega
+
+    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.devices.huami.amazfitgtr;
+
+import android.bluetooth.BluetoothDevice;
+import android.content.Context;
+import android.net.Uri;
+
+import androidx.annotation.NonNull;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import nodomain.freeyourgadget.gadgetbridge.R;
+import nodomain.freeyourgadget.gadgetbridge.devices.InstallHandler;
+import nodomain.freeyourgadget.gadgetbridge.devices.huami.HuamiCoordinator;
+import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
+import nodomain.freeyourgadget.gadgetbridge.impl.GBDeviceCandidate;
+import nodomain.freeyourgadget.gadgetbridge.model.DeviceType;
+
+public class AmazfitGTRLiteCoordinator extends HuamiCoordinator {
+    private static final Logger LOG = LoggerFactory.getLogger(AmazfitGTRLiteCoordinator.class);
+
+    @Override
+    public DeviceType getDeviceType() {
+        return DeviceType.AMAZFITGTR_LITE;
+    }
+
+    @NonNull
+    @Override
+    public DeviceType getSupportedType(GBDeviceCandidate candidate) {
+        try {
+            BluetoothDevice device = candidate.getDevice();
+            String name = device.getName();
+            if (name != null && name.equalsIgnoreCase("Amazfit GTR L")) {
+                return DeviceType.AMAZFITGTR_LITE;
+            }
+        } catch (Exception ex) {
+            LOG.error("unable to check device support", ex);
+        }
+        return DeviceType.UNKNOWN;
+    }
+
+    @Override
+    public InstallHandler findInstallHandler(Uri uri, Context context) {
+        AmazfitGTRLiteFWInstallHandler handler = new AmazfitGTRLiteFWInstallHandler(uri, context);
+        return handler.isValid() ? handler : null;
+    }
+
+    @Override
+    public int getBondingStyle() {
+        return BONDING_STYLE_REQUIRE_KEY;
+    }
+
+    @Override
+    public boolean supportsHeartRateMeasurement(GBDevice device) {
+        return true;
+    }
+
+    @Override
+    public boolean supportsActivityTracks() {
+        return false;
+    }
+
+    @Override
+    public boolean supportsWeather() {
+        return true;
+    }
+
+    @Override
+    public boolean supportsMusicInfo() {
+        return true;
+    }
+
+    public int[] getSupportedDeviceSpecificSettings(GBDevice device) {
+        return new int[]{
+                R.xml.devicesettings_amazfitgtr,
+                R.xml.devicesettings_wearlocation,
+                R.xml.devicesettings_timeformat,
+                R.xml.devicesettings_liftwrist_display,
+                R.xml.devicesettings_disconnectnotification,
+                R.xml.devicesettings_sync_calendar,
+                R.xml.devicesettings_expose_hr_thirdparty,
+                R.xml.devicesettings_pairingkey
+        };
+    }
+}

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/huami/amazfitgtr/AmazfitGTRLiteFWHelper.java

@@ -0,0 +1,41 @@
+/*  Copyright (C) 2016-2020 Andreas Shimokawa, Carsten Pfeiffer, Daniele
+    Gobbetti
+
+    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.devices.huami.amazfitgtr;
+
+import android.content.Context;
+import android.net.Uri;
+
+import java.io.IOException;
+
+import nodomain.freeyourgadget.gadgetbridge.devices.huami.HuamiFWHelper;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.amazfitgtr.AmazfitGTRLiteFirmwareInfo;
+
+public class AmazfitGTRLiteFWHelper extends HuamiFWHelper {
+
+    public AmazfitGTRLiteFWHelper(Uri uri, Context context) throws IOException {
+        super(uri, context);
+    }
+
+    @Override
+    protected void determineFirmwareInfo(byte[] wholeFirmwareBytes) {
+        firmwareInfo = new AmazfitGTRLiteFirmwareInfo(wholeFirmwareBytes);
+        if (!firmwareInfo.isHeaderValid()) {
+            throw new IllegalArgumentException("Not a an Amazifit GTR Lite Firmware");
+        }
+    }
+}

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/huami/amazfitgtr/AmazfitGTRLiteFWInstallHandler.java

@@ -0,0 +1,49 @@
+/*  Copyright (C) 2015-2020 Andreas Shimokawa, Carsten Pfeiffer
+
+    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.devices.huami.amazfitgtr;
+
+import android.content.Context;
+import android.net.Uri;
+
+import java.io.IOException;
+
+import nodomain.freeyourgadget.gadgetbridge.R;
+import nodomain.freeyourgadget.gadgetbridge.devices.miband.AbstractMiBandFWHelper;
+import nodomain.freeyourgadget.gadgetbridge.devices.miband.AbstractMiBandFWInstallHandler;
+import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
+import nodomain.freeyourgadget.gadgetbridge.model.DeviceType;
+
+class AmazfitGTRLiteFWInstallHandler extends AbstractMiBandFWInstallHandler {
+    AmazfitGTRLiteFWInstallHandler(Uri uri, Context context) {
+        super(uri, context);
+    }
+
+    @Override
+    protected String getFwUpgradeNotice() {
+        return mContext.getString(R.string.fw_upgrade_notice_amazfitgtr, helper.getHumanFirmwareVersion());
+    }
+
+    @Override
+    protected AbstractMiBandFWHelper createHelper(Uri uri, Context context) throws IOException {
+        return new AmazfitGTRLiteFWHelper(uri, context);
+    }
+
+    @Override
+    protected boolean isSupportedDeviceType(GBDevice device) {
+        return device.getType() == DeviceType.AMAZFITGTR_LITE;
+    }
+}

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/model/DeviceType.java

@@ -41,9 +41,10 @@ public enum DeviceType {
     AMAZFITCOR2(15, R.drawable.ic_device_default, R.drawable.ic_device_default_disabled, R.string.devicetype_amazfit_cor2),
     MIBAND4(16, R.drawable.ic_device_miband2, R.drawable.ic_device_miband2_disabled, R.string.devicetype_miband4),
     AMAZFITBIP_LITE(17, R.drawable.ic_device_hplus, R.drawable.ic_device_hplus_disabled, R.string.devicetype_amazfit_bip_lite),
-    AMAZFITGTR(18, R.drawable.ic_device_hplus, R.drawable.ic_device_hplus_disabled, R.string.devicetype_amazfit_gtr),
+    AMAZFITGTR(18, R.drawable.ic_device_zetime, R.drawable.ic_device_zetime_disabled, R.string.devicetype_amazfit_gtr),
     AMAZFITGTS(19, R.drawable.ic_device_hplus, R.drawable.ic_device_hplus_disabled, R.string.devicetype_amazfit_gts),
     AMAZFITBIPS(20, R.drawable.ic_device_hplus, R.drawable.ic_device_hplus_disabled, R.string.devicetype_amazfit_bips),
+    AMAZFITGTR_LITE(21, R.drawable.ic_device_zetime, R.drawable.ic_device_zetime_disabled, R.string.devicetype_amazfit_gtr),
     LIVEVIEW(30, R.drawable.ic_device_default, R.drawable.ic_device_default_disabled, R.string.devicetype_liveview),
     HPLUS(40, R.drawable.ic_device_hplus, R.drawable.ic_device_hplus_disabled, R.string.devicetype_hplus),
     MAKIBESF68(41, R.drawable.ic_device_hplus, R.drawable.ic_device_hplus_disabled, R.string.devicetype_makibes_f68),

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/DeviceSupportFactory.java

@@ -38,6 +38,7 @@ import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.HuamiSupport;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.amazfitbip.AmazfitBipLiteSupport;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.amazfitbip.AmazfitBipSSupport;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.amazfitbip.AmazfitBipSupport;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.amazfitgtr.AmazfitGTRLiteSupport;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.amazfitgtr.AmazfitGTRSupport;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.amazfitcor.AmazfitCorSupport;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.amazfitcor2.AmazfitCor2Support;
@@ -156,6 +157,9 @@ public class DeviceSupportFactory {
                     case AMAZFITGTR:
                         deviceSupport = new ServiceDeviceSupport(new AmazfitGTRSupport(), EnumSet.of(ServiceDeviceSupport.Flags.BUSY_CHECKING));
                         break;
+                    case AMAZFITGTR_LITE:
+                        deviceSupport = new ServiceDeviceSupport(new AmazfitGTRLiteSupport(), EnumSet.of(ServiceDeviceSupport.Flags.BUSY_CHECKING));
+                        break;
                     case AMAZFITGTS:
                         deviceSupport = new ServiceDeviceSupport(new AmazfitGTSSupport(), EnumSet.of(ServiceDeviceSupport.Flags.BUSY_CHECKING));
                         break;

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

@@ -0,0 +1,85 @@
+/*  Copyright (C) 2017-2020 Andreas Shimokawa, Daniele Gobbetti
+
+    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.amazfitgtr;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
+import nodomain.freeyourgadget.gadgetbridge.model.DeviceType;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.HuamiFirmwareInfo;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.HuamiFirmwareType;
+import nodomain.freeyourgadget.gadgetbridge.util.ArrayUtils;
+
+public class AmazfitGTRLiteFirmwareInfo extends HuamiFirmwareInfo {
+    private static final int FW_OFFSET = 3;
+
+    private static final byte[] FW_HEADER = new byte[]{
+            0x20, (byte) 0x99, 0x12, 0x01, 0x08 // completely nonsense probably
+    };
+
+    private static Map<Integer, String> crcToVersion = new HashMap<>();
+
+    static {
+        // firmware
+
+        // Latin Firmware
+
+        // resources
+
+        // font
+    }
+
+    public AmazfitGTRLiteFirmwareInfo(byte[] bytes) {
+        super(bytes);
+    }
+
+    @Override
+    protected HuamiFirmwareType determineFirmwareType(byte[] bytes) {
+        if (ArrayUtils.equals(bytes, NEWRES_HEADER, COMPRESSED_RES_HEADER_OFFSET_NEW)) {
+            return HuamiFirmwareType.RES_COMPRESSED;
+        }
+        if (ArrayUtils.equals(bytes, FW_HEADER, FW_OFFSET)) {
+            if (searchString32BitAligned(bytes, "Amazfit GTR L")) {
+                return HuamiFirmwareType.FIRMWARE;
+            }
+            return HuamiFirmwareType.INVALID;
+        }
+        if (ArrayUtils.startsWith(bytes, WATCHFACE_HEADER) || ArrayUtils.equals(bytes, WATCHFACE_HEADER, COMPRESSED_RES_HEADER_OFFSET_NEW) || ArrayUtils.equals(bytes, WATCHFACE_HEADER, COMPRESSED_RES_HEADER_OFFSET)) {
+            return HuamiFirmwareType.WATCHFACE;
+        }
+        if (ArrayUtils.startsWith(bytes, NEWFT_HEADER)) {
+            if (bytes[10] == 0x01) {
+                return HuamiFirmwareType.FONT;
+            } else if (bytes[10] == 0x02) {
+                return HuamiFirmwareType.FONT_LATIN;
+            }
+        }
+
+        return HuamiFirmwareType.INVALID;
+    }
+
+    @Override
+    public boolean isGenerallyCompatibleWith(GBDevice device) {
+        return isHeaderValid() && device.getType() == DeviceType.AMAZFITGTR_LITE;
+    }
+
+    @Override
+    protected Map<Integer, String> getCrcMap() {
+        return crcToVersion;
+    }
+}

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

@@ -0,0 +1,63 @@
+/*  Copyright (C) 2017-2020 Andreas Shimokawa, Carsten Pfeiffer
+
+    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.amazfitgtr;
+
+import android.content.Context;
+import android.net.Uri;
+
+import java.io.IOException;
+
+import nodomain.freeyourgadget.gadgetbridge.devices.huami.HuamiFWHelper;
+import nodomain.freeyourgadget.gadgetbridge.devices.huami.amazfitgtr.AmazfitGTRLiteFWHelper;
+import nodomain.freeyourgadget.gadgetbridge.model.NotificationSpec;
+import nodomain.freeyourgadget.gadgetbridge.service.btle.TransactionBuilder;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.amazfitbip.AmazfitBipSupport;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.huami.operations.UpdateFirmwareOperationNew;
+
+public class AmazfitGTRLiteSupport extends AmazfitBipSupport {
+
+    @Override
+    public byte getCryptFlags() {
+        return (byte) 0x80;
+    }
+    
+    @Override
+    protected byte getAuthFlags() {
+        return 0x00;
+    }
+
+    @Override
+    public void onNotification(NotificationSpec notificationSpec) {
+        super.sendNotificationNew(notificationSpec, true);
+    }
+
+    @Override
+    public HuamiFWHelper createFWHelper(Uri uri, Context context) throws IOException {
+        return new AmazfitGTRLiteFWHelper(uri, context);
+    }
+
+    @Override
+    public UpdateFirmwareOperationNew createUpdateFirmwareOperation(Uri uri) {
+        return new UpdateFirmwareOperationNew(uri, this);
+    }
+
+    @Override
+    protected AmazfitGTRLiteSupport setDisplayItems(TransactionBuilder builder) {
+        // not supported yet
+        return this;
+    }
+}

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/util/DeviceHelper.java

@@ -50,6 +50,7 @@ import nodomain.freeyourgadget.gadgetbridge.devices.hplus.MakibesF68Coordinator;
 import nodomain.freeyourgadget.gadgetbridge.devices.huami.amazfitbip.AmazfitBipLiteCoordinator;
 import nodomain.freeyourgadget.gadgetbridge.devices.huami.amazfitbips.AmazfitBipSCoordinator;
 import nodomain.freeyourgadget.gadgetbridge.devices.huami.amazfitgtr.AmazfitGTRCoordinator;
+import nodomain.freeyourgadget.gadgetbridge.devices.huami.amazfitgtr.AmazfitGTRLiteCoordinator;
 import nodomain.freeyourgadget.gadgetbridge.devices.huami.amazfitgts.AmazfitGTSCoordinator;
 import nodomain.freeyourgadget.gadgetbridge.devices.itag.ITagCoordinator;
 import nodomain.freeyourgadget.gadgetbridge.devices.makibeshr3.MakibesHR3Coordinator;
@@ -217,6 +218,7 @@ public class DeviceHelper {
         result.add(new AmazfitCorCoordinator());
         result.add(new AmazfitCor2Coordinator());
         result.add(new AmazfitGTRCoordinator());
+        result.add(new AmazfitGTRLiteCoordinator());
         result.add(new AmazfitGTSCoordinator());
         result.add(new AmazfitBipSCoordinator());
         result.add(new MiBand3Coordinator());