Huawei: Simple TruSleep support

Only supports start and end time of sleep periods.

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/huawei/HuaweiCoordinator.java

@@ -55,6 +55,8 @@ public class HuaweiCoordinator {
     byte notificationCapabilities = -0x01;
     ByteBuffer notificationConstraints = null;
 
+    private boolean supportsTruSleepNewSync = false;
+
     private Watchface.WatchfaceDeviceParams watchfaceDeviceParams;
 
     private final HuaweiCoordinatorSupplier parent;
@@ -603,4 +605,11 @@ public class HuaweiCoordinator {
         return handler.isValid() ? handler : null;
     }
 
+    public boolean getSupportsTruSleepNewSync() {
+        return supportsTruSleepNewSync;
+    }
+
+    public void setSupportsTruSleepNewSync(boolean supportsTruSleepNewSync) {
+        this.supportsTruSleepNewSync = supportsTruSleepNewSync;
+    }
 }

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/huawei/HuaweiPacket.java

@@ -33,6 +33,8 @@ import nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets.Alarms;
 import nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets.AccountRelated;
 import nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets.Calls;
 import nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets.CameraRemote;
+import nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets.FileDownloadService0A;
+import nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets.FileDownloadService2C;
 import nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets.GpsAndTime;
 import nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets.Watchface;
 import nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets.Weather;
@@ -241,7 +243,7 @@ public class HuaweiPacket {
     protected HuaweiTLV tlv = null;
 
     private byte[] partialPacket = null;
-    private byte[] payload = null;
+    protected byte[] payload = null;
 
     public boolean complete = false;
 
@@ -384,9 +386,11 @@ public class HuaweiPacket {
 
         if (
                 (serviceId == 0x0a && commandId == 0x05) ||
-                (serviceId == 0x28 && commandId == 0x06)
+                (serviceId == 0x28 && commandId == 0x06) ||
+                (serviceId == 0x2c && commandId == 0x05)
         ) {
             // TODO: this doesn't seem to be TLV
+            this.payload = newPayload;
             return;
         }
 
@@ -487,6 +491,22 @@ public class HuaweiPacket {
                         this.isEncrypted = this.attemptDecrypt(); // Helps with debugging
                         return this;
                 }
+            case FileDownloadService0A.id:
+                switch (this.commandId) {
+                    case FileDownloadService0A.FileDownloadInit.id:
+                        return new FileDownloadService0A.FileDownloadInit.Response(paramsProvider).fromPacket(this);
+                    case FileDownloadService0A.FileParameters.id:
+                        return new FileDownloadService0A.FileParameters.Response(paramsProvider).fromPacket(this);
+                    case FileDownloadService0A.FileInfo.id:
+                        return new FileDownloadService0A.FileInfo.Response(paramsProvider).fromPacket(this);
+                    case FileDownloadService0A.RequestBlock.id:
+                        return new FileDownloadService0A.RequestBlock.Response(paramsProvider).fromPacket(this);
+                    case FileDownloadService0A.BlockResponse.id:
+                        return new FileDownloadService0A.BlockResponse(paramsProvider).fromPacket(this);
+                    default:
+                        this.isEncrypted = this.attemptDecrypt();
+                        return this;
+                }
             case FindPhone.id:
                 if (this.commandId == FindPhone.Response.id)
                     return new FindPhone.Response(paramsProvider).fromPacket(this);
@@ -580,6 +600,18 @@ public class HuaweiPacket {
                         this.isEncrypted = this.attemptDecrypt(); // Helps with debugging
                         return this;
                 }
+            case FileDownloadService2C.id:
+                switch (this.commandId) {
+                    case FileDownloadService2C.FileDownloadInit.id:
+                        return new FileDownloadService2C.FileDownloadInit.Response(paramsProvider).fromPacket(this);
+                    case FileDownloadService2C.FileInfo.id:
+                        return new FileDownloadService2C.FileInfo.Response(paramsProvider).fromPacket(this);
+                    case FileDownloadService2C.BlockResponse.id:
+                        return new FileDownloadService2C.BlockResponse(paramsProvider).fromPacket(this);
+                    default:
+                        this.isEncrypted = this.attemptDecrypt(); // Helps with debugging
+                        return this;
+                }
             default:
                 this.isEncrypted = this.attemptDecrypt(); // Helps with debugging
                 return this;

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/huawei/HuaweiSampleProvider.java

@@ -55,6 +55,7 @@ public class HuaweiSampleProvider extends AbstractSampleProvider<HuaweiActivityS
      *    The timestamp of the other marker, if it's larger this is the begin, otherwise the end
      *  - `source`
      *    The source of the data, which Huawei Band message the data came from
+     *    0x0d for sleep data from activity, 0x0a for TruSleep data
      */
 
     private static class RawTypes {
@@ -155,7 +156,16 @@ public class HuaweiSampleProvider extends AbstractSampleProvider<HuaweiActivityS
         Property sourceProperty = HuaweiActivitySampleDao.Properties.Source;
         Property activityTypeProperty = HuaweiActivitySampleDao.Properties.RawKind;
 
-        qb.where(sourceProperty.eq(0x0d), activityTypeProperty.eq(0x01));
+        qb.where(
+                qb.or(
+                        sourceProperty.eq(0x0d),
+                        sourceProperty.eq(0x0a)
+                ),
+                qb.or(
+                        activityTypeProperty.eq(RawTypes.LIGHT_SLEEP),
+                        activityTypeProperty.eq(RawTypes.DEEP_SLEEP)
+                )
+        );
 
         return getLastFetchTimestamp(qb);
     }
@@ -365,7 +375,7 @@ public class HuaweiSampleProvider extends AbstractSampleProvider<HuaweiActivityS
     private List<HuaweiActivitySample> interpolate(List<HuaweiActivitySample> processedSamples) {
         List<HuaweiActivitySample> retv = new ArrayList<>();
 
-        if (processedSamples.size() == 0)
+        if (processedSamples.isEmpty())
             return retv;
 
         HuaweiActivitySample lastSample = processedSamples.get(0);
@@ -463,7 +473,7 @@ public class HuaweiSampleProvider extends AbstractSampleProvider<HuaweiActivityS
         if (sample.getTimestamp() > sample.getOtherTimestamp())
             sample.setTimestamp(sample.getTimestamp() - 1);
 
-        if (processedSamples.size() > 0)
+        if (!processedSamples.isEmpty())
             lastSample = processedSamples.get(processedSamples.size() - 1);
         if (lastSample != null && lastSample.getTimestamp() == sample.getTimestamp()) {
             // Merge the samples - only if there isn't any data yet, except the kind
@@ -496,7 +506,10 @@ public class HuaweiSampleProvider extends AbstractSampleProvider<HuaweiActivityS
             processedSamples.add(sample);
         }
 
-        if (sample.getSource() == FitnessData.MessageData.sleepId && (sample.getRawKind() == RawTypes.LIGHT_SLEEP || sample.getRawKind() == RawTypes.DEEP_SLEEP)) {
+        if (
+                (sample.getSource() == FitnessData.MessageData.sleepId || sample.getSource() == 0x0a) // Sleep sources
+                        && (sample.getRawKind() == RawTypes.LIGHT_SLEEP || sample.getRawKind() == RawTypes.DEEP_SLEEP) // Sleep types
+        ) {
             if (isStartMarker)
                 state.sleepModifier = sample.getRawKind();
             else

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/huawei/HuaweiTLV.java

@@ -307,13 +307,17 @@ public class HuaweiTLV {
                 .put(CryptoTags.cipherText, encryptedTLV);
     }
 
-    public void decrypt(ParamsProvider paramsProvider) throws CryptoException, HuaweiPacket.MissingTagException {
+    public byte[] decryptRaw(ParamsProvider paramsProvider) throws CryptoException, HuaweiPacket.MissingTagException {
         byte[] key = paramsProvider.getSecretKey();
-        byte[] decryptedTLV = HuaweiCrypto.decrypt(
+        return HuaweiCrypto.decrypt(
                 paramsProvider.getEncryptMethod() == 0x01 || paramsProvider.getDeviceSupportType() == 0x04,
                 getBytes(CryptoTags.cipherText),
                 key,
                 getBytes(CryptoTags.initVector));
+    }
+
+    public void decrypt(ParamsProvider paramsProvider) throws CryptoException, HuaweiPacket.MissingTagException {
+        byte[] decryptedTLV = decryptRaw(paramsProvider);
         this.valueMap = new ArrayList<>();
         parse(decryptedTLV);
     }

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/huawei/HuaweiTruSleepParser.java

@@ -0,0 +1,74 @@
+/*  Copyright (C) 2024 Martin.JM
+
+    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 <https://www.gnu.org/licenses/>. */
+package nodomain.freeyourgadget.gadgetbridge.devices.huawei;
+
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+
+public class HuaweiTruSleepParser {
+
+    public static class TruSleepStatus {
+        public final int startTime;
+        public final int endTime;
+
+        public TruSleepStatus(int startTime, int endTime) {
+            this.startTime = startTime;
+            this.endTime = endTime;
+        }
+
+        @Override
+        public boolean equals(Object o) {
+            if (o == null || getClass() != o.getClass()) return false;
+            TruSleepStatus that = (TruSleepStatus) o;
+            return startTime == that.startTime && endTime == that.endTime;
+        }
+
+        @Override
+        public String toString() {
+            return "TruSleepStatus{" +
+                    "endTime=" + endTime +
+                    ", startTime=" + startTime +
+                    '}';
+        }
+    }
+
+    public static TruSleepStatus[] parseState(byte[] stateData) {
+        /*
+            Format:
+             - Start time (int)
+             - End time (int)
+             - Unknown (short)
+             - Unknown (byte)
+             - Padding (5 bytes)
+            Could be multiple available
+         */
+        ByteBuffer buffer = ByteBuffer.wrap(stateData);
+        buffer.order(ByteOrder.LITTLE_ENDIAN);
+        TruSleepStatus[] retv = new TruSleepStatus[buffer.remaining() / 0x10];
+        int c = 0;
+        while (stateData.length - buffer.position() >= 0x10) {
+            int startTime = buffer.getInt();
+            int endTime = buffer.getInt();
+            // Throw away for now because we don't know what it means, and we don't think we can implement this soon
+            buffer.get(); buffer.get(); buffer.get();
+            buffer.get(); buffer.get(); buffer.get(); buffer.get(); buffer.get();
+
+            retv[c++] = new TruSleepStatus(startTime, endTime);
+        }
+        return retv;
+    }
+}

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/huawei/packets/DeviceConfig.java

@@ -950,7 +950,7 @@ public class DeviceConfig {
             private final byte[] selfAuthId;
             private final String groupId;
             private JSONObject version = null;
-            private JSONObject payload = null;
+            private JSONObject jsonPayload = null;
             private JSONObject value = null;
 
             public Request (int operationCode, long requestId, byte[] selfAuthId, String groupId) {
@@ -969,7 +969,7 @@ public class DeviceConfig {
                     this.isEncrypted = false;
                     this.complete = true;
                     version = new JSONObject();
-                    payload = new JSONObject();
+                    jsonPayload = new JSONObject();
                     value = new JSONObject();
                     createJson(messageId);
                 }
@@ -986,14 +986,14 @@ public class DeviceConfig {
                     super(paramsProvider, messageId);
                     // createJson(1); //messageId);
                     try {
-                        payload
+                        jsonPayload
                             .put("isoSalt", StringUtils.bytesToHex(isoSalt))
                             .put("peerAuthId",  StringUtils.bytesToHex(selfAuthId))
                             .put("operationCode", operationCode)
                             .put("seed", StringUtils.bytesToHex(seed))
                             .put("peerUserType", 0x00);
                         if (operationCode == 0x02) {
-                            payload
+                            jsonPayload
                                 .put("pkgName", "com.huawei.devicegroupmanage")
                                 .put("serviceType", groupId)
                                 .put("keyLength", 0x20);
@@ -1020,7 +1020,7 @@ public class DeviceConfig {
                     super(paramsProvider, messageId);
                     // createJson(2); //messageId);
                     try {
-                        payload
+                        jsonPayload
                             .put("peerAuthId", StringUtils.bytesToHex(selfAuthId))
                             .put("token", StringUtils.bytesToHex(token));
                         if (operationCode == 0x02) value.put("isDeviceLevel", false);
@@ -1044,7 +1044,7 @@ public class DeviceConfig {
                     super(paramsProvider, messageId);
                     // createJson(3);
                     try {
-                        payload
+                        jsonPayload
                             .put("nonce", StringUtils.bytesToHex(nonce))
                             .put("encData", StringUtils.bytesToHex(encData));
                         this.tlv = new HuaweiTLV()
@@ -1071,7 +1071,7 @@ public class DeviceConfig {
                     //     createJson(3);
                     // }
                     try {
-                        payload
+                        jsonPayload
                             .put("nonce", StringUtils.bytesToHex(nonce)) //generateRandom
                             .put("encResult", StringUtils.bytesToHex(encResult))
                             .put("operationCode", operationCode);
@@ -1093,11 +1093,11 @@ public class DeviceConfig {
                     version
                         .put("minVersion", "1.0.0")
                         .put("currentVersion", "2.0.16");
-                    payload
+                    jsonPayload
                         .put("version", version);
                     value
                         .put("authForm", 0x00)
-                        .put("payload", payload)
+                        .put("payload", jsonPayload)
                         .put("groupAndModuleVersion", "2.0.1")
                         .put("message", messageId);
                     if (operationCode == 0x01) {
@@ -1201,7 +1201,7 @@ public class DeviceConfig {
             public byte type;
 
             public JSONObject value;
-            public JSONObject payload;
+            public JSONObject jsonPayload;
 
             public byte step;
             // public int operationCode; // TODO
@@ -1225,18 +1225,18 @@ public class DeviceConfig {
                 if (this.type == 0x00) {
                     try {
                         this.value = new JSONObject(this.tlv.getString(0x01));
-                        this.payload = value.getJSONObject("payload");
+                        this.jsonPayload = value.getJSONObject("payload");
 
                         // Ugly, but should work
-                        if (payload.has("isoSalt")) {
+                        if (jsonPayload.has("isoSalt")) {
                             this.step = 0x01;
-                            this.step1Data = new Step1Data(payload);
-                        } else if (payload.has("returnCodeMac")) {
+                            this.step1Data = new Step1Data(jsonPayload);
+                        } else if (jsonPayload.has("returnCodeMac")) {
                             this.step = 0x02;
-                            this.step2Data = new Step2Data(payload);
-                        } else if (payload.has("encAuthToken")) {
+                            this.step2Data = new Step2Data(jsonPayload);
+                        } else if (jsonPayload.has("encAuthToken")) {
                             this.step = 0x03;
-                            this.step3Data = new Step3Data(payload);
+                            this.step3Data = new Step3Data(jsonPayload);
                         }
                     } catch (JSONException e) {
                         throw new JsonException("", e);
@@ -1344,7 +1344,7 @@ public class DeviceConfig {
             public long requestId;
             public byte[] selfAuthId;
             public String groupId;
-            public JSONObject payload = null;
+            public JSONObject jsonPayload = null;
             public JSONObject value = null;
 
             public Step1Data step1Data;
@@ -1361,20 +1361,20 @@ public class DeviceConfig {
             public void parseTlv() throws ParseException {
                 try {
                     value = new JSONObject(this.tlv.getString(0x01));
-                    payload = value.getJSONObject("payload");
+                    jsonPayload = value.getJSONObject("payload");
 
-                    if (payload.has("isoSalt")) {
+                    if (jsonPayload.has("isoSalt")) {
                         this.step = 1;
-                        this.step1Data = new Step1Data(payload);
-                    } else if (payload.has("token")) {
+                        this.step1Data = new Step1Data(jsonPayload);
+                    } else if (jsonPayload.has("token")) {
                         this.step = 2;
-                        this.step2Data = new Step2Data(payload);
-                    } else if (payload.has("encData")) {
+                        this.step2Data = new Step2Data(jsonPayload);
+                    } else if (jsonPayload.has("encData")) {
                         this.step = 3;
-                        this.step3Data = new Step3Data(payload);
-                    } else if (payload.has("encResult")) {
+                        this.step3Data = new Step3Data(jsonPayload);
+                    } else if (jsonPayload.has("encResult")) {
                         this.step = 4;
-                        this.step4Data = new Step4Data(payload);
+                        this.step4Data = new Step4Data(jsonPayload);
                     }
                 } catch (JSONException e) {
                     throw new JsonException("Cannot parse JSON", e);
@@ -1493,6 +1493,8 @@ public class DeviceConfig {
         }
 
         public static class Response extends HuaweiPacket {
+            public boolean truSleepNewSync = false;
+
             public Response(ParamsProvider paramsProvider) {
                 super(paramsProvider);
                 this.serviceId = DeviceConfig.id;
@@ -1501,8 +1503,16 @@ public class DeviceConfig {
 
             @Override
             public void parseTlv() throws ParseException {
+                // Works with bitmaps
+
                 // Tag 1 -> LegalStuff
-                // Tag 2 -> File support
+
+                if (this.tlv.contains(0x02)) {
+                    // Tag 2 -> File support
+                    byte value = this.tlv.getByte(0x02);
+                    truSleepNewSync = (value & 2) != 0;
+                }
+
                 // Tag 3 -> SmartWatchVersion
                 // Tag 4 to 6 are HMS related
             }

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/huawei/packets/FileDownloadService0A.java

@@ -0,0 +1,237 @@
+/*  Copyright (C) 2024 Martin.JM
+
+    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 <https://www.gnu.org/licenses/>. */
+package nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets;
+
+import nodomain.freeyourgadget.gadgetbridge.devices.huawei.HuaweiPacket;
+import nodomain.freeyourgadget.gadgetbridge.devices.huawei.HuaweiTLV;
+
+/**
+ * File downloading for "older" devices/implementations
+ * Newer ones might be using service id 0x2c
+ * Which one is used is reported by the band in 0x01 0x31
+ */
+public class FileDownloadService0A {
+    public static final int id = 0x0a;
+
+    /*
+    Type of files that can be downloaded through here:
+    - debug files
+    - sleep files
+    - rrisqi file
+     */
+
+    public static class FileDownloadInit {
+        public static final int id = 0x01;
+
+        public static class DebugFilesRequest extends HuaweiPacket {
+            public DebugFilesRequest(ParamsProvider paramsProvider) {
+                super(paramsProvider);
+
+                this.serviceId = FileDownloadService0A.id;
+                this.commandId = id;
+
+                this.tlv = new HuaweiTLV(); // Empty TLV
+
+                this.complete = true;
+            }
+        }
+
+        public static class SleepFilesRequest extends HuaweiPacket {
+            public SleepFilesRequest(ParamsProvider paramsProvider, int startTime, int endTime) {
+                super(paramsProvider);
+
+                this.serviceId = FileDownloadService0A.id;
+                this.commandId = id;
+
+                this.tlv = new HuaweiTLV()
+                        .put(0x02, (byte) 0x01)
+                        .put(0x83, new HuaweiTLV()
+                                .put(0x04, startTime)
+                                .put(0x05, endTime)
+                        );
+
+                this.complete = true;
+            }
+        }
+
+        public static class Response extends HuaweiPacket {
+            public String[] fileNames;
+
+            public Response(ParamsProvider paramsProvider) {
+                super(paramsProvider);
+            }
+
+            @Override
+            public void parseTlv() throws ParseException {
+                String possibleNames = this.tlv.getString(0x01);
+                fileNames = possibleNames.split(";");
+            }
+        }
+    }
+
+    public static class FileParameters {
+        public static final int id = 0x02;
+
+        public static class Request extends HuaweiPacket {
+            public Request(ParamsProvider paramsProvider) {
+                super(paramsProvider);
+
+                this.serviceId = FileDownloadService0A.id;
+                this.commandId = id;
+
+                this.tlv = new HuaweiTLV().put(0x06, (byte) 1);
+
+                this.complete = true;
+            }
+        }
+
+        public static class Response extends HuaweiPacket {
+            public String version;
+            public boolean unknown;
+            public short packetSize;
+            public short maxBlockSize;
+            public short timeout;
+
+            public Response(ParamsProvider paramsProvider) {
+                super(paramsProvider);
+            }
+
+            @Override
+            public void parseTlv() throws ParseException {
+                // TODO: below could be different for AW70?
+
+                this.version = this.tlv.getString(0x01);
+                this.unknown = this.tlv.getBoolean(0x02);
+                this.packetSize = this.tlv.getShort(0x03);
+                this.maxBlockSize = this.tlv.getShort(0x04);
+                this.timeout = this.tlv.getShort(0x05);
+            }
+        }
+    }
+
+    public static class FileInfo {
+        public static final int id = 0x03;
+
+        public static class Request extends HuaweiPacket {
+            public Request(ParamsProvider paramsProvider, String fileName) {
+                super(paramsProvider);
+
+                this.serviceId = FileDownloadService0A.id;
+                this.commandId = id;
+
+                this.tlv = new HuaweiTLV().put(0x01, fileName);
+
+                this.complete = true;
+            }
+        }
+
+        public static class Response extends HuaweiPacket {
+            public int fileLength;
+            public byte transferType = -1;
+            public int fileCreateTime = -1;
+            public byte unknown = -1;
+
+            public Response(ParamsProvider paramsProvider) {
+                super(paramsProvider);
+            }
+
+            @Override
+            public void parseTlv() throws ParseException {
+                this.fileLength = this.tlv.getInteger(0x02);
+                if (this.tlv.contains(0x04))
+                    this.transferType = this.tlv.getByte(0x04);
+                if (this.tlv.contains(0x05))
+                    this.fileCreateTime = this.tlv.getInteger(0x05);
+                if (this.tlv.contains(0x06))
+                    this.unknown = this.tlv.getByte(0x06);
+            }
+        }
+    }
+
+    public static class RequestBlock {
+        public static final int id = 0x04;
+
+        public static class Request extends HuaweiPacket {
+            public Request(ParamsProvider paramsProvider, String fileName, int offset, int size) {
+                super(paramsProvider);
+
+                this.serviceId = FileDownloadService0A.id;
+                this.commandId = id;
+
+                this.tlv = new HuaweiTLV()
+                        .put(0x01, fileName)
+                        .put(0x02, offset) // TODO: not for AW70
+                        .put(0x03, size); // TODO: not for AW70
+
+                this.complete = true;
+            }
+        }
+
+        public static class Response extends HuaweiPacket {
+            public boolean isOk;
+            public String filename;
+            public int offset;
+
+            public Response(ParamsProvider paramsProvider) {
+                super(paramsProvider);
+            }
+
+            public void parseTlv() throws ParseException {
+                isOk = this.tlv.getInteger(0x7f) == 0x000186A0;
+                if (isOk) {
+                    if (this.tlv.contains(0x01))
+                        filename = this.tlv.getString(0x01);
+                    offset = this.tlv.getInteger(0x02);
+                }
+            }
+        }
+    }
+
+    public static class BlockResponse extends HuaweiPacket {
+        public static final int id = 0x05;
+
+        public byte number;
+        public byte[] data;
+
+        public BlockResponse(ParamsProvider paramsProvider) {
+            super(paramsProvider);
+        }
+
+        @Override
+        public void parseTlv() throws ParseException {
+            // Note that this packet does not contain TLV data
+            this.number = this.payload[2];
+            this.data = new byte[this.payload.length - 3];
+            System.arraycopy(this.payload, 3, this.data, 0, this.payload.length - 3);
+        }
+    }
+
+    public static class FileDownloadCompleteRequest extends HuaweiPacket {
+        public static final int id = 0x06;
+
+        public FileDownloadCompleteRequest(ParamsProvider paramsProvider) {
+            super(paramsProvider);
+
+            this.serviceId = FileDownloadService0A.id;
+            this.commandId = id;
+
+            this.tlv = new HuaweiTLV().put(0x06, true);
+
+            this.complete = true;
+        }
+    }
+}

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/huawei/packets/FileDownloadService2C.java

@@ -0,0 +1,213 @@
+/*  Copyright (C) 2024 Martin.JM
+
+    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 <https://www.gnu.org/licenses/>. */
+package nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets;
+
+import java.nio.ByteBuffer;
+
+import nodomain.freeyourgadget.gadgetbridge.devices.huawei.HuaweiCrypto;
+import nodomain.freeyourgadget.gadgetbridge.devices.huawei.HuaweiPacket;
+import nodomain.freeyourgadget.gadgetbridge.devices.huawei.HuaweiTLV;
+
+/**
+ * File downloading for "older" devices/implementations
+ * Newer ones might be using service id 0x2c
+ * Which one is used is reported by the band in 0x01 0x31
+ */
+public class FileDownloadService2C {
+    public static final int id = 0x2c;
+
+    public enum FileType {
+        SLEEP,
+        UNKNOWN; // Never use this as input
+
+        static byte fileTypeToByte(FileType fileType) {
+            switch (fileType) {
+                case SLEEP:
+                    return (byte) 0x0e;
+                default:
+                    throw new RuntimeException();
+            }
+        }
+
+        static FileType byteToFileType(byte b) {
+            switch (b) {
+                case 0x0e:
+                    return FileType.SLEEP;
+                default:
+                    return FileType.UNKNOWN;
+            }
+        }
+    }
+
+    public static class FileDownloadInit {
+        public static final int id = 0x01;
+
+        public static class Request extends HuaweiPacket {
+            public Request(ParamsProvider paramsProvider, String filename, FileType filetype, int startTime, int endTime) {
+                super(paramsProvider);
+
+                this.serviceId = FileDownloadService2C.id;
+                this.commandId = id;
+
+                // TODO: start and end time might be optional?
+                this.tlv = new HuaweiTLV()
+                        .put(0x01, filename)
+                        .put(0x02, FileType.fileTypeToByte(filetype))
+                        .put(0x05, startTime)
+                        .put(0x06, endTime);
+
+                this.complete = true;
+            }
+        }
+
+        public static class Response extends HuaweiPacket {
+            public String fileName;
+            public FileType fileType;
+            public byte fileId;
+            public int fileSize;
+
+            public Response(ParamsProvider paramsProvider) {
+                super(paramsProvider);
+            }
+
+            @Override
+            public void parseTlv() throws ParseException {
+                fileName = this.tlv.getString(0x01);
+                fileType = FileType.byteToFileType(this.tlv.getByte(0x02));
+                fileId = this.tlv.getByte(0x03);
+                fileSize = this.tlv.getInteger(0x04);
+            }
+        }
+    }
+
+    public static class FileInfo {
+        public static final int id = 0x03;
+
+        public static class Request extends HuaweiPacket {
+            public Request(ParamsProvider paramsProvider, byte fileId) {
+                super(paramsProvider);
+
+                this.serviceId = FileDownloadService2C.id;
+                this.commandId = id;
+
+                this.tlv = new HuaweiTLV()
+                        .put(0x01, fileId)
+                        .put(0x02)
+                        .put(0x03)
+                        .put(0x04)
+                        .put(0x05);
+
+                this.complete = true;
+            }
+        }
+
+        public static class Response extends HuaweiPacket {
+            public byte fileId;
+            public byte timeout; // TODO: not sure about unit here - maybe seconds?
+            // TODO: following two might not have the best names...
+            public short burstSize; // How large each 0x2c 0x05 will be
+            public int maxBlockSize; // How much we can ask for before needing another 0x2c 0x04
+            public boolean noEncrypt;
+
+            public Response(ParamsProvider paramsProvider) {
+                super(paramsProvider);
+            }
+
+            @Override
+            public void parseTlv() throws ParseException {
+                fileId = this.tlv.getByte(0x01);
+                timeout = this.tlv.getByte(0x02);
+                burstSize = this.tlv.getShort(0x03);
+                maxBlockSize = this.tlv.getInteger(0x04);
+                noEncrypt = this.tlv.getBoolean(0x05); // True if command 0x04 cannot be encrypted
+            }
+        }
+    }
+
+    public static class RequestBlock extends HuaweiPacket {
+        public static final int id = 0x04;
+
+        public RequestBlock(ParamsProvider paramsProvider, byte fileId, int offset, int size, boolean noEncrypt) {
+            super(paramsProvider);
+
+            this.serviceId = FileDownloadService2C.id;
+            this.commandId = id;
+
+            this.tlv = new HuaweiTLV()
+                    .put(0x01, fileId)
+                    .put(0x02, offset)
+                    .put(0x03, size);
+
+            this.complete = true;
+            this.isEncrypted = !noEncrypt;
+        }
+    }
+
+    public static class BlockResponse extends HuaweiPacket {
+        public static final int id = 0x05;
+
+        public byte fileId;
+        public int offset;
+        public byte unknown;
+        public byte[] data;
+
+        public BlockResponse(ParamsProvider paramsProvider) {
+            super(paramsProvider);
+        }
+
+        @Override
+        public void parseTlv() throws ParseException {
+            ByteBuffer byteBuffer;
+            if (this.payload[2] == 0x7c && this.payload[3] == 0x01 && this.payload[4] == 0x01) {
+                // Encrypted TLV, so we decrypt first
+                this.tlv = new HuaweiTLV();
+                this.tlv.parse(this.payload, 2, this.payload.length - 2);
+                try {
+                    byteBuffer = ByteBuffer.wrap(this.tlv.decryptRaw(paramsProvider));
+                } catch (HuaweiCrypto.CryptoException e) {
+                    throw new CryptoException("File download decryption exception", e);
+                }
+                this.tlv = null; // Prevent using it accidentally
+            } else {
+                byteBuffer = ByteBuffer.wrap(this.payload, 2, this.payload.length - 2);
+            }
+
+            fileId = byteBuffer.get();
+            offset = byteBuffer.getInt();
+            unknown = byteBuffer.get();
+            data = new byte[byteBuffer.remaining()];
+            System.arraycopy(byteBuffer.array(), byteBuffer.position(), data, 0, byteBuffer.remaining());
+        }
+    }
+
+    public static class FileDownloadCompleteRequest extends HuaweiPacket {
+        public static final int id = 0x06;
+
+        public FileDownloadCompleteRequest(ParamsProvider paramsProvider, byte fileId) {
+            super(paramsProvider);
+
+            this.serviceId = FileDownloadService2C.id;
+            this.commandId = id;
+
+            this.tlv = new HuaweiTLV()
+                    .put(0x01, fileId)
+                    .put(0x02, (byte) 1);
+
+            this.complete = true;
+        }
+    }
+}

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huawei/HuaweiBRSupport.java

@@ -175,4 +175,8 @@ public class HuaweiBRSupport extends AbstractBTBRDeviceSupport {
         supportProvider.dispose();
         super.dispose();
     }
+
+    public void onTestNewFunction() {
+        supportProvider.onTestNewFunction();
+    }
 }

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huawei/HuaweiFileDownloadManager.java

@@ -0,0 +1,547 @@
+/*  Copyright (C) 2024 Martin.JM
+
+    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 <https://www.gnu.org/licenses/>. */
+package nodomain.freeyourgadget.gadgetbridge.service.devices.huawei;
+
+import android.os.Handler;
+import android.os.Looper;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
+import java.util.Arrays;
+
+import nodomain.freeyourgadget.gadgetbridge.devices.huawei.HuaweiPacket;
+import nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets.FileDownloadService0A;
+import nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets.FileDownloadService2C;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.huawei.requests.GetFileBlockRequest;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.huawei.requests.GetFileDownloadCompleteRequest;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.huawei.requests.GetFileDownloadInitRequest;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.huawei.requests.GetFileInfoRequest;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.huawei.requests.GetFileParametersRequest;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.huawei.requests.Request;
+import nodomain.freeyourgadget.gadgetbridge.util.GB;
+
+public class HuaweiFileDownloadManager {
+    private static final Logger LOG = LoggerFactory.getLogger(HuaweiFileDownloadManager.class);
+
+    public static class HuaweiFileDownloadException extends Exception {
+        @Nullable
+        public final FileRequest fileRequest;
+
+        HuaweiFileDownloadException(@Nullable FileRequest fileRequest, String message) {
+            super(message);
+            this.fileRequest = fileRequest;
+        }
+
+        HuaweiFileDownloadException(@Nullable FileRequest fileRequest, String message, Exception e) {
+            super(message, e);
+            this.fileRequest = fileRequest;
+        }
+    }
+
+    public static class HuaweiFileDownloadSendException extends HuaweiFileDownloadException {
+        HuaweiFileDownloadSendException(@Nullable FileRequest fileRequest, Request request, Exception e) {
+            super(fileRequest, "Error sending request " + request.getName(), e);
+        }
+    }
+
+    public static class HuaweiFileDownloadRequestException extends HuaweiFileDownloadException {
+        HuaweiFileDownloadRequestException(@Nullable FileRequest fileRequest, Class<?> requestClass, Exception e) {
+            super(fileRequest, "Error in request of class " + requestClass, e);
+        }
+    }
+
+    public static class HuaweiFileDownloadTimeoutException extends HuaweiFileDownloadException {
+        HuaweiFileDownloadTimeoutException(@Nullable FileRequest fileRequest) {
+            super(fileRequest, "Timeout was hit!");
+        }
+    }
+
+    public static class HuaweiFileDownloadFileMismatchException extends HuaweiFileDownloadException {
+        HuaweiFileDownloadFileMismatchException(@NonNull FileRequest fileRequest, String filename) {
+            super(fileRequest, "Data for wrong file received. Expected name " + fileRequest.filename + ", got name " + filename);
+        }
+
+        HuaweiFileDownloadFileMismatchException(@NonNull FileRequest fileRequest, FileType fileType) {
+            super(fileRequest, "Data for wrong file received. Expected type " + fileRequest.fileType + ", got type " + fileType);
+        }
+
+        HuaweiFileDownloadFileMismatchException(@NonNull FileRequest fileRequest, String[] filenames) {
+            super(fileRequest, "File " + fileRequest.filename + " cannot be downloaded using this method. Only the following files are supported: " + Arrays.toString(filenames));
+        }
+
+        HuaweiFileDownloadFileMismatchException(@NonNull FileRequest fileRequest, int number, boolean newSync) {
+            super(
+                    fileRequest,
+                    "Data for wrong file received. Expected " +
+                        (newSync ?
+                            "id " + fileRequest.fileId + ", got id " + number :
+                            "packet number " + (fileRequest.lastPacketNumber + 1) + ", got " + number)
+            );
+        }
+    }
+
+    /**
+     * Only for internal use
+     */
+    public enum FileType {
+        DEBUG,
+        SLEEP,
+        UNKNOWN // Never for input!
+    }
+
+    /**
+     * Only for internal use, though also used in exception
+     */
+    public static class FileRequest {
+        // Inputs
+
+        public String filename;
+        public FileType fileType;
+        public boolean newSync;
+
+        // Sleep type only
+        public int startTime;
+        public int endTime;
+
+
+        // Retrieved
+
+        public int fileSize;
+        public int maxBlockSize;
+        public int timeout; // TODO: unit?
+        public ByteBuffer buffer;
+
+        public int startOfBlockOffset;
+        public int currentBlockSize;
+
+        // Old sync only
+        public String[] filenames;
+        public byte lastPacketNumber;
+
+        // New sync only
+        public byte fileId;
+        public boolean noEncrypt;
+    }
+
+    /**
+     * Actually receives the file data
+     */
+    private static class FileDataReceiver extends Request {
+
+        public boolean newSync;
+        public byte[] data;
+
+        // Packet number for old sync
+        // fileId for new sync
+        public byte number;
+
+        public FileDataReceiver(HuaweiSupportProvider supportProvider) {
+            super(supportProvider);
+        }
+
+        @Override
+        public boolean handleResponse(HuaweiPacket response) {
+            if (
+                    (response.serviceId == FileDownloadService0A.id &&
+                        response.commandId == FileDownloadService0A.BlockResponse.id) ||
+                    (response.serviceId == FileDownloadService2C.id &&
+                        response.commandId == FileDownloadService2C.BlockResponse.id)
+            ) {
+                receivedPacket = response;
+                return true;
+            }
+            return false;
+        }
+
+        @Override
+        public boolean autoRemoveFromResponseHandler() {
+            // This needs to be removed manually
+            return false;
+        }
+
+        @Override
+        protected void processResponse() throws ResponseParseException {
+            if (this.receivedPacket instanceof FileDownloadService0A.BlockResponse) {
+                this.newSync = false;
+                this.number = ((FileDownloadService0A.BlockResponse) this.receivedPacket).number;
+                this.data = ((FileDownloadService0A.BlockResponse) this.receivedPacket).data;
+            } else if (this.receivedPacket instanceof FileDownloadService2C.BlockResponse) {
+                this.newSync = true;
+                this.number = ((FileDownloadService2C.BlockResponse) this.receivedPacket).fileId;
+                this.data = ((FileDownloadService2C.BlockResponse) this.receivedPacket).data;
+            } else {
+                throw new ResponseTypeMismatchException(
+                        this.receivedPacket,
+                        FileDownloadService0A.BlockResponse.class,
+                        FileDownloadService2C.BlockResponse.class
+                );
+            }
+        }
+    }
+
+    private final HuaweiSupportProvider supportProvider;
+    private final Handler handler;
+    private final Runnable timeout;
+
+    // Cannot be final as we need the device to be connected before creating this
+    private FileDataReceiver fileDataReceiver;
+
+    // For old sync we cannot download multiple files at the same time, for new sync we don't want
+    // to, so we limit that. We also do not allow old and new sync at the same time.
+    // Note that old and new sync are already split by the serviceID and commandID that are used for
+    // all the requests.
+    // Note that the timeout is not ready for concurrent downloads
+    private boolean isBusy;
+
+    private final ArrayList<FileRequest> fileRequests;
+    private FileRequest currentFileRequest;
+
+    public HuaweiFileDownloadManager(HuaweiSupportProvider supportProvider) {
+        this.supportProvider = supportProvider;
+        handler = new Handler(Looper.getMainLooper());
+        isBusy = false;
+        fileRequests = new ArrayList<>();
+        timeout = () -> {
+            this.supportProvider.downloadException(new HuaweiFileDownloadTimeoutException(currentFileRequest));
+            reset();
+        };
+    }
+
+    public void downloadDebug(String filename) {
+        FileRequest request = new FileRequest();
+        request.filename = filename;
+        request.fileType = FileType.DEBUG;
+        request.newSync = false;
+        synchronized (supportProvider) {
+            fileRequests.add(request);
+        }
+        startDownload();
+    }
+
+    public void downloadSleep(boolean supportsTruSleepNewSync, String filename, int startTime, int endTime) {
+        FileRequest request = new FileRequest();
+        request.filename = filename;
+        request.fileType = FileType.SLEEP;
+        request.newSync = supportsTruSleepNewSync;
+        request.startTime = startTime;
+        request.endTime = endTime;
+        synchronized (supportProvider) {
+            fileRequests.add(request);
+        }
+        startDownload();
+    }
+
+    private boolean arrayContains(String[] haystack, String needle) {
+        return Arrays.stream(haystack).anyMatch(s -> s.equals(needle));
+    }
+
+    private void initFileDataReceiver() {
+        if (fileDataReceiver == null) {
+            // We can only init fileDataReceiver if the device is already connected
+            fileDataReceiver = new FileDataReceiver(supportProvider);
+            fileDataReceiver.setFinalizeReq(new Request.RequestCallback() {
+                @Override
+                public void call() {
+                    // Reset timeout
+                    handler.removeCallbacks(HuaweiFileDownloadManager.this.timeout);
+                    handler.postDelayed(HuaweiFileDownloadManager.this.timeout, currentFileRequest.timeout * 1000L);
+
+                    // Handle data
+                    handleFileData(fileDataReceiver.newSync, fileDataReceiver.number, fileDataReceiver.data);
+                }
+
+                @Override
+                public void handleException(Request.ResponseParseException e) {
+                    supportProvider.downloadException(new HuaweiFileDownloadRequestException(null, this.getClass(), e));
+                }
+            });
+        }
+    }
+
+    public void startDownload() {
+        initFileDataReceiver(); // Make sure the fileDataReceiver is ready
+
+        synchronized (this.supportProvider) {
+            if (this.isBusy)
+                return; // Already downloading, this file will come eventually
+            if (this.fileRequests.isEmpty()) {
+                // No more files to download
+                supportProvider.downloadQueueEmpty();
+                return;
+            }
+            this.isBusy = true;
+        }
+
+        this.currentFileRequest = this.fileRequests.remove(0);
+
+        GetFileDownloadInitRequest getFileDownloadInitRequest = new GetFileDownloadInitRequest(supportProvider, currentFileRequest);
+        getFileDownloadInitRequest.setFinalizeReq(new Request.RequestCallback() {
+            @Override
+            public void call(Request request) {
+                // For multi-download, match to file instead of assuming current
+                GetFileDownloadInitRequest r = (GetFileDownloadInitRequest) request;
+                if (r.newSync) {
+                    if (!currentFileRequest.filename.equals(r.filename)) {
+                        supportProvider.downloadException(new HuaweiFileDownloadFileMismatchException(
+                                currentFileRequest,
+                                r.filename
+                        ));
+                        reset();
+                        return;
+                    }
+                    if (currentFileRequest.fileType != r.fileType) {
+                        supportProvider.downloadException(new HuaweiFileDownloadFileMismatchException(
+                                currentFileRequest,
+                                r.fileType
+                        ));
+                        reset();
+                        return;
+                    }
+                    currentFileRequest.fileId = r.fileId;
+                    currentFileRequest.fileSize = r.fileSize;
+                    if (r.fileSize == 0) {
+                        // Nothing to download, go to end
+                        fileComplete();
+                        return;
+                    }
+                    getFileInfo();
+                } else {
+                    if (!arrayContains(r.filenames, currentFileRequest.filename)) {
+                        supportProvider.downloadException(new HuaweiFileDownloadFileMismatchException(
+                                currentFileRequest,
+                                r.filenames
+                        ));
+                        reset();
+                        return;
+                    }
+                    currentFileRequest.filenames = r.filenames;
+                    getDownloadParameters();
+                }
+            }
+
+            @Override
+            public void handleException(Request.ResponseParseException e) {
+                supportProvider.downloadException(new HuaweiFileDownloadRequestException(currentFileRequest, this.getClass(), e));
+            }
+        });
+        try {
+            getFileDownloadInitRequest.doPerform();
+        } catch (IOException e) {
+            supportProvider.downloadException(new HuaweiFileDownloadSendException(currentFileRequest, getFileDownloadInitRequest, e));
+            reset();
+        }
+    }
+
+    private void getDownloadParameters() {
+        // Old sync only, can never be multiple at the same time
+        // Assuming currentRequest is the correct one the entire time
+        // Which may no longer be the case when we implement multi-download for new sync
+        GetFileParametersRequest getFileParametersRequest = new GetFileParametersRequest(supportProvider);
+        getFileParametersRequest.setFinalizeReq(new Request.RequestCallback() {
+            @Override
+            public void call() {
+                currentFileRequest.maxBlockSize = getFileParametersRequest.getMaxBlockSize();
+                currentFileRequest.timeout = getFileParametersRequest.getTimeout();
+                getFileInfo();
+            }
+
+            @Override
+            public void handleException(Request.ResponseParseException e) {
+                supportProvider.downloadException(new HuaweiFileDownloadRequestException(null, this.getClass(), e));
+                reset();
+            }
+        });
+        try {
+            getFileParametersRequest.doPerform();
+        } catch (IOException e) {
+            supportProvider.downloadException(new HuaweiFileDownloadSendException(currentFileRequest, getFileParametersRequest, e));
+            reset();
+        }
+    }
+
+    private void getFileInfo() {
+        GetFileInfoRequest getFileInfoRequest = new GetFileInfoRequest(supportProvider, currentFileRequest);
+        getFileInfoRequest.setFinalizeReq(new Request.RequestCallback() {
+            @Override
+            public void call(Request request) {
+                GetFileInfoRequest r = (GetFileInfoRequest) request;
+                if (r.newSync) {
+                    if (currentFileRequest.fileId != r.fileId) {
+                        supportProvider.downloadException(new HuaweiFileDownloadFileMismatchException(currentFileRequest, r.fileId, true));
+                        reset();
+                        return;
+                    }
+                    currentFileRequest.timeout = r.timeout;
+                    currentFileRequest.maxBlockSize = r.maxBlockSize;
+                    currentFileRequest.noEncrypt = r.noEncrypt;
+                } else {
+                    // currentFileRequest MUST BE correct here
+                    currentFileRequest.fileSize = r.fileLength;
+
+                    if (currentFileRequest.fileSize == 0) {
+                        // Nothing to download, go to complete
+                        fileComplete();
+                        return;
+                    }
+                }
+                downloadNextFileBlock();
+            }
+
+            @Override
+            public void handleException(Request.ResponseParseException e) {
+                supportProvider.downloadException(new HuaweiFileDownloadRequestException(null, this.getClass(), e));
+                reset();
+            }
+        });
+        try {
+            getFileInfoRequest.doPerform();
+        } catch (IOException e) {
+            supportProvider.downloadException(new HuaweiFileDownloadSendException(currentFileRequest, getFileInfoRequest, e));
+            reset();
+        }
+    }
+
+    private void downloadNextFileBlock() {
+        handler.removeCallbacks(this.timeout);
+
+        if (currentFileRequest.buffer == null) // New file
+            currentFileRequest.buffer = ByteBuffer.allocate(currentFileRequest.fileSize);
+        currentFileRequest.lastPacketNumber = -1; // Counts per block
+        currentFileRequest.startOfBlockOffset = currentFileRequest.buffer.position();
+        currentFileRequest.currentBlockSize = Math.min(
+                currentFileRequest.fileSize - currentFileRequest.buffer.position(), // Remaining file size
+                currentFileRequest.maxBlockSize // Max we can ask for
+        );
+
+        // Start listening for file data
+        this.supportProvider.addInProgressRequest(fileDataReceiver);
+
+        GetFileBlockRequest getFileBlockRequest = new GetFileBlockRequest(supportProvider, currentFileRequest);
+        getFileBlockRequest.setFinalizeReq(new Request.RequestCallback() {
+            @Override
+            public void call() {
+                // Reset timeout
+                handler.removeCallbacks(HuaweiFileDownloadManager.this.timeout);
+                handler.postDelayed(HuaweiFileDownloadManager.this.timeout, currentFileRequest.timeout * 1000L);
+            }
+        });
+        try {
+            getFileBlockRequest.doPerform();
+        } catch (IOException e) {
+            supportProvider.downloadException(new HuaweiFileDownloadSendException(currentFileRequest, getFileBlockRequest, e));
+            reset();
+        }
+    }
+
+    private void handleFileData(boolean newSync, byte number, byte[] data) {
+        if (newSync && currentFileRequest.fileId != number) {
+            supportProvider.downloadException(new HuaweiFileDownloadFileMismatchException(currentFileRequest, number, true));
+            reset();
+            return;
+        }
+        if (!newSync) {
+            if (currentFileRequest.lastPacketNumber != number - 1) {
+                supportProvider.downloadException(new HuaweiFileDownloadFileMismatchException(currentFileRequest, number, false));
+                reset();
+                return;
+            }
+            currentFileRequest.lastPacketNumber = number;
+        }
+
+        currentFileRequest.buffer.put(data);
+
+        if (currentFileRequest.buffer.position() >= currentFileRequest.fileSize) {
+            // File complete
+            LOG.info("Download complete for file {}", currentFileRequest.filename);
+            if (currentFileRequest.buffer.position() != currentFileRequest.fileSize) {
+                GB.toast("Downloaded file is larger than expected", Toast.LENGTH_SHORT, GB.ERROR);
+                LOG.error("Downloaded file is larger than expected: {}", currentFileRequest.filename);
+            }
+            fileComplete();
+        } else if (currentFileRequest.buffer.position() - currentFileRequest.startOfBlockOffset >= currentFileRequest.maxBlockSize) {
+            // Block complete, need to request a new file block
+            downloadNextFileBlock();
+        } // Else we're expecting more data to arrive automatically
+    }
+
+    private void fileComplete() {
+        // Stop timeout from hitting
+        this.handler.removeCallbacks(this.timeout);
+
+        // File complete request
+        GetFileDownloadCompleteRequest getFileDownloadCompleteRequest = new GetFileDownloadCompleteRequest(supportProvider, currentFileRequest);
+        try {
+            getFileDownloadCompleteRequest.doPerform();
+        } catch (IOException e) {
+            supportProvider.downloadException(new HuaweiFileDownloadSendException(currentFileRequest, getFileDownloadCompleteRequest, e));
+            reset();
+        }
+
+        // Handle file data
+        if (currentFileRequest.buffer != null) // File size was zero
+            supportProvider.downloadComplete(currentFileRequest.filename, currentFileRequest.buffer.array());
+
+        if (!this.currentFileRequest.newSync && !this.fileRequests.isEmpty() && !this.fileRequests.get(0).newSync) {
+            // Old sync can potentially take a shortcut
+            if (arrayContains(this.currentFileRequest.filenames, this.fileRequests.get(0).filename)) {
+                // Shortcut to next download
+                // - No init
+                // - No getting parameters
+                // Just copy over the info and go directly to GetFileInfo
+                FileRequest nextRequest = this.fileRequests.remove(0);
+
+                nextRequest.filenames = this.currentFileRequest.filenames;
+                nextRequest.maxBlockSize = this.currentFileRequest.maxBlockSize;
+                nextRequest.timeout = this.currentFileRequest.timeout;
+
+                this.currentFileRequest = nextRequest;
+                getFileInfo();
+                return;
+            }
+        }
+
+        reset();
+    }
+
+    private void reset() {
+        // Stop listening for file data, if we were doing that
+        this.supportProvider.removeInProgressRequests(this.fileDataReceiver);
+
+        // Reset current request
+        this.currentFileRequest = null;
+
+        // Unset busy, otherwise the next download will never start
+        synchronized (this.supportProvider) {
+            this.isBusy = false;
+        }
+        // Try to download next file
+        startDownload();
+    }
+
+    public void dispose() {
+        // Stop timeout from hitting, nothing else to really do
+        this.handler.removeCallbacks(this.timeout);
+    }
+}

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huawei/HuaweiLESupport.java

@@ -183,4 +183,8 @@ public class HuaweiLESupport extends AbstractBTLEDeviceSupport {
         supportProvider.dispose();
         super.dispose();
     }
+
+    public void onTestNewFunction() {
+        supportProvider.onTestNewFunction();
+    }
 }

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huawei/HuaweiSupportProvider.java

@@ -55,6 +55,7 @@ import nodomain.freeyourgadget.gadgetbridge.devices.huawei.HuaweiCoordinatorSupp
 import nodomain.freeyourgadget.gadgetbridge.devices.huawei.HuaweiCrypto;
 import nodomain.freeyourgadget.gadgetbridge.devices.huawei.HuaweiPacket;
 import nodomain.freeyourgadget.gadgetbridge.devices.huawei.HuaweiSampleProvider;
+import nodomain.freeyourgadget.gadgetbridge.devices.huawei.HuaweiTruSleepParser;
 import nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets.CameraRemote;
 import nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets.GpsAndTime;
 import nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets.Weather;
@@ -200,6 +201,8 @@ public class HuaweiSupportProvider {
 
     protected HuaweiWatchfaceManager huaweiWatchfaceManager = new HuaweiWatchfaceManager(this);
 
+    protected HuaweiFileDownloadManager huaweiFileDownloadManager = new HuaweiFileDownloadManager(this);
+
     public HuaweiCoordinatorSupplier getCoordinator() {
         return ((HuaweiCoordinatorSupplier) this.gbDevice.getDeviceCoordinator());
     }
@@ -1092,7 +1095,7 @@ public class HuaweiSupportProvider {
     private void fetchActivityData() {
         int sleepStart = 0;
         int stepStart = 0;
-        int end = (int) (System.currentTimeMillis() / 1000);
+        final int end = (int) (System.currentTimeMillis() / 1000);
 
         SharedPreferences sharedPreferences = GBApplication.getDeviceSpecificSharedPrefs(gbDevice.getAddress());
         long prefLastSyncTime = sharedPreferences.getLong("lastSyncTimeMillis", 0);
@@ -1129,12 +1132,15 @@ public class HuaweiSupportProvider {
         }
 
         final GetStepDataCountRequest getStepDataCountRequest = new GetStepDataCountRequest(this, stepStart, end);
+        //noinspection ExtractMethodRecommender
         final GetFitnessTotalsRequest getFitnessTotalsRequest = new GetFitnessTotalsRequest(this);
 
+        final int start = sleepStart;
         getFitnessTotalsRequest.setFinalizeReq(new RequestCallback() {
             @Override
             public void call() {
-                handleSyncFinished();
+                if (!downloadTruSleepData(start, end))
+                    handleSyncFinished();
             }
 
             @Override
@@ -1455,18 +1461,20 @@ public class HuaweiSupportProvider {
         responseManager.addHandler(request);
     }
 
-    public void addSleepActivity(int timestamp, short duration, byte type) {
+    public void addSleepActivity(int timestamp_start, int timestamp_end, byte type, byte source) {
+        LOG.debug("Adding sleep activity between {} and {}", timestamp_start, timestamp_end);
+
         try (DBHandler db = GBApplication.acquireDB()) {
             Long userId = DBHelper.getUser(db.getDaoSession()).getId();
             Long deviceId = DBHelper.getDevice(gbDevice, db.getDaoSession()).getId();
             HuaweiSampleProvider sampleProvider = new HuaweiSampleProvider(gbDevice, db.getDaoSession());
 
             HuaweiActivitySample activitySample = new HuaweiActivitySample(
-                    timestamp,
+                    timestamp_start,
                     deviceId,
                     userId,
-                    timestamp + duration,
-                    FitnessData.MessageData.sleepId,
+                    timestamp_end,
+                    source,
                     type,
                     1,
                     ActivitySample.NOT_MEASURED,
@@ -2071,5 +2079,78 @@ public class HuaweiSupportProvider {
 
     public void dispose() {
         stopBatteryRunnerDelayed();
+        huaweiFileDownloadManager.dispose();
+    }
+
+    public boolean downloadTruSleepData(int start, int end) {
+        // We only get the data if TruSleep is supported
+        if (!getHuaweiCoordinator().supportsTruSleep())
+            return false;
+
+        huaweiFileDownloadManager.downloadSleep(
+                getHuaweiCoordinator().getSupportsTruSleepNewSync(),
+                "sleep_state.bin", // new String[] {"sleep_state.bin"}, // Later also "sleep_data.bin", but we don't use it right now
+                start,
+                end
+        );
+        return true;
+    }
+
+    /**
+     * Called when a file download is complete
+     * @param fileName Filename of the file
+     * @param fileContents Contents of the file
+     */
+    public void downloadComplete(String fileName, byte[] fileContents) {
+        LOG.debug("File download complete: {}: {}", fileName, GB.hexdump(fileContents));
+
+        if (fileName.equals("sleep_state.bin")) {
+            HuaweiTruSleepParser.TruSleepStatus[] results = HuaweiTruSleepParser.parseState(fileContents);
+            for (HuaweiTruSleepParser.TruSleepStatus status : results)
+                addSleepActivity(status.startTime, status.endTime, (byte) 0x06, (byte) 0x0a);
+            // This should only be called once per sync - also if we start downloading more sleep data
+            GB.signalActivityDataFinish();
+            // Unsetting busy is done at the end of all downloads
+        } // "sleep_data.bin" later as well
+    }
+
+    /**
+     * Called when there are no more files left to download
+     */
+    public void downloadQueueEmpty() {
+        if (gbDevice.isBusy()) {
+            gbDevice.unsetBusyTask();
+            gbDevice.sendDeviceUpdateIntent(context);
+        }
+    }
+
+    public void downloadException(HuaweiFileDownloadManager.HuaweiFileDownloadException e) {
+        GB.toast("Error downloading file", Toast.LENGTH_SHORT, GB.ERROR, e);
+        if (e.fileRequest != null)
+            LOG.error("Error downloading file: {}{}", e.fileRequest.filename, e.fileRequest.newSync ? " (newsync)" : "", e);
+        else
+            LOG.error("Error in file download", e);
+
+        // We also reset the sync state, just to get back to working as nicely as possible
+        handleSyncFinished();
+    }
+
+    public void onTestNewFunction() {
+        // Show to user
+        gbDevice.setBusyTask("Downloading file...");
+        gbDevice.sendDeviceUpdateIntent(getContext());
+
+        huaweiFileDownloadManager.downloadSleep(
+                getHuaweiCoordinator().getSupportsTruSleepNewSync(),
+                "sleep_state.bin",
+                0,
+                (int) (System.currentTimeMillis() / 1000)
+        );
+        huaweiFileDownloadManager.downloadSleep(
+                getHuaweiCoordinator().getSupportsTruSleepNewSync(),
+                "sleep_data.bin",
+                0,
+                (int) (System.currentTimeMillis() / 1000)
+        );
     }
 }

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huawei/ResponseManager.java

@@ -62,6 +62,16 @@ public class ResponseManager {
         }
     }
 
+    /**
+     * Remove all requests with specified class from the response handler list
+     * @param handlerClass The class of which the requests are removed
+     */
+    public void removeHandler(Class<?> handlerClass) {
+        synchronized (handlers) {
+            handlers.removeIf(request -> request.getClass() == handlerClass);
+        }
+    }
+
     /**
      * Parses the data into a Huawei Packet.
      * If the packet is complete, it will be handled by the first request that accepts it,
@@ -102,8 +112,10 @@ public class ResponseManager {
             } else {
                 LOG.debug("Service: " + Integer.toHexString(receivedPacket.serviceId & 0xff)  + ", command: " + Integer.toHexString(receivedPacket.commandId & 0xff)  + ", handled by: " + handler.getClass());
 
-                synchronized (handlers) {
-                    handlers.remove(handler);
+                if (handler.autoRemoveFromResponseHandler()) {
+                    synchronized (handlers) {
+                        handlers.remove(handler);
+                    }
                 }
 
                 handler.handleResponse();

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huawei/requests/GetFileBlockRequest.java

@@ -0,0 +1,69 @@
+/*  Copyright (C) 2024 Martin.JM
+
+    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 <https://www.gnu.org/licenses/>. */
+package nodomain.freeyourgadget.gadgetbridge.service.devices.huawei.requests;
+
+import java.util.List;
+
+import nodomain.freeyourgadget.gadgetbridge.devices.huawei.HuaweiPacket;
+import nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets.FileDownloadService0A;
+import nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets.FileDownloadService2C;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.huawei.HuaweiFileDownloadManager;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.huawei.HuaweiSupportProvider;
+
+public class GetFileBlockRequest extends Request {
+    private final HuaweiFileDownloadManager.FileRequest request;
+
+    public GetFileBlockRequest(HuaweiSupportProvider support, HuaweiFileDownloadManager.FileRequest request) {
+        super(support);
+        if (request.newSync) {
+            this.serviceId = FileDownloadService2C.id;
+            this.commandId = FileDownloadService2C.RequestBlock.id;
+        } else {
+            this.serviceId = FileDownloadService0A.id;
+            this.commandId = FileDownloadService0A.RequestBlock.id;
+        }
+        this.request = request;
+    }
+
+    @Override
+    protected List<byte[]> createRequest() throws Request.RequestCreationException {
+        try {
+            if (this.request.newSync)
+                return new FileDownloadService2C.RequestBlock(
+                        paramsProvider,
+                        this.request.fileId,
+                        this.request.buffer.position(),
+                        this.request.currentBlockSize,
+                        this.request.noEncrypt
+                ).serialize();
+            else
+                return new FileDownloadService0A.RequestBlock.Request(
+                        paramsProvider,
+                        this.request.filename,
+                        this.request.buffer.position(),
+                        this.request.currentBlockSize
+                ).serialize();
+        } catch (HuaweiPacket.CryptoException e) {
+            throw new Request.RequestCreationException(e);
+        }
+    }
+
+    @Override
+    protected void processResponse() throws Request.ResponseParseException {
+        // TODO: handle data?
+    }
+}

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huawei/requests/GetFileDownloadCompleteRequest.java

@@ -0,0 +1,54 @@
+/*  Copyright (C) 2024 Martin.JM
+
+    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 <https://www.gnu.org/licenses/>. */
+package nodomain.freeyourgadget.gadgetbridge.service.devices.huawei.requests;
+
+import java.util.List;
+
+import nodomain.freeyourgadget.gadgetbridge.devices.huawei.HuaweiPacket;
+import nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets.FileDownloadService0A;
+import nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets.FileDownloadService2C;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.huawei.HuaweiFileDownloadManager;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.huawei.HuaweiSupportProvider;
+
+public class GetFileDownloadCompleteRequest extends Request {
+
+    private final HuaweiFileDownloadManager.FileRequest request;
+
+    public GetFileDownloadCompleteRequest(HuaweiSupportProvider support, HuaweiFileDownloadManager.FileRequest request) {
+        super(support);
+        if (request.newSync) {
+            this.serviceId = FileDownloadService2C.id;
+            this.commandId = FileDownloadService2C.FileDownloadCompleteRequest.id;
+        } else {
+            this.serviceId = FileDownloadService0A.id;
+            this.commandId = FileDownloadService0A.FileDownloadCompleteRequest.id;
+        }
+        this.request = request;
+    }
+
+    @Override
+    protected List<byte[]> createRequest() throws RequestCreationException {
+        try {
+            if (request.newSync)
+                return new FileDownloadService2C.FileDownloadCompleteRequest(paramsProvider, this.request.fileId).serialize();
+            else
+                return new FileDownloadService0A.FileDownloadCompleteRequest(paramsProvider).serialize();
+        } catch (HuaweiPacket.CryptoException e) {
+            throw new RequestCreationException(e);
+        }
+    }
+}

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huawei/requests/GetFileDownloadInitRequest.java

@@ -0,0 +1,112 @@
+/*  Copyright (C) 2024 Martin.JM
+
+    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 <https://www.gnu.org/licenses/>. */
+package nodomain.freeyourgadget.gadgetbridge.service.devices.huawei.requests;
+
+import java.util.List;
+
+import nodomain.freeyourgadget.gadgetbridge.devices.huawei.HuaweiPacket;
+import nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets.FileDownloadService0A;
+import nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets.FileDownloadService2C;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.huawei.HuaweiFileDownloadManager;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.huawei.HuaweiSupportProvider;
+
+public class GetFileDownloadInitRequest extends Request {
+
+    final HuaweiFileDownloadManager.FileRequest request;
+
+    public boolean newSync;
+
+    // Old sync
+    public String[] filenames;
+
+    // New sync
+    public String filename;
+    public HuaweiFileDownloadManager.FileType fileType;
+    public byte fileId;
+    public int fileSize;
+
+    public GetFileDownloadInitRequest(HuaweiSupportProvider support, HuaweiFileDownloadManager.FileRequest request) {
+        super(support);
+        if (request.newSync) {
+            this.serviceId = FileDownloadService2C.id;
+            this.commandId = FileDownloadService2C.FileDownloadInit.id;
+        } else {
+            this.serviceId = FileDownloadService0A.id;
+            this.commandId = FileDownloadService0A.FileDownloadInit.id;
+        }
+        this.request = request;
+    }
+
+    private FileDownloadService2C.FileType convertFileTypeTo2C(HuaweiFileDownloadManager.FileType type) {
+        switch (type) {
+            case SLEEP:
+                return FileDownloadService2C.FileType.SLEEP;
+            default:
+                return FileDownloadService2C.FileType.UNKNOWN;
+        }
+    }
+
+    private HuaweiFileDownloadManager.FileType convertFileTypeFrom2C(FileDownloadService2C.FileType type) {
+        switch (type) {
+            case SLEEP:
+                return HuaweiFileDownloadManager.FileType.SLEEP;
+            default:
+                return HuaweiFileDownloadManager.FileType.UNKNOWN;
+        }
+    }
+
+    @Override
+    protected List<byte[]> createRequest() throws RequestCreationException {
+        try {
+            if (this.request.newSync) {
+                FileDownloadService2C.FileType type = convertFileTypeTo2C(request.fileType);
+                if (type == FileDownloadService2C.FileType.UNKNOWN)
+                    throw new RequestCreationException("Cannot convert type " + request.fileType);
+                return new FileDownloadService2C.FileDownloadInit.Request(paramsProvider, request.filename, type, request.startTime, request.endTime).serialize();
+            } else {
+                if (this.request.fileType == HuaweiFileDownloadManager.FileType.DEBUG)
+                    return new FileDownloadService0A.FileDownloadInit.DebugFilesRequest(paramsProvider).serialize();
+                else if (this.request.fileType == HuaweiFileDownloadManager.FileType.SLEEP)
+                    return new FileDownloadService0A.FileDownloadInit.SleepFilesRequest(paramsProvider, request.startTime, request.endTime).serialize();
+                else
+                    throw new RequestCreationException("Unknown file type");
+            }
+        } catch (HuaweiPacket.CryptoException e) {
+            throw new RequestCreationException(e);
+        }
+    }
+
+    @Override
+    protected void processResponse() throws ResponseParseException {
+        // In case of multiple downloads, the response here does not need to match the original request
+        // So we cannot use the request at all!
+
+        if (this.receivedPacket instanceof FileDownloadService0A.FileDownloadInit.Response) {
+            this.newSync = false;
+            this.filenames = ((FileDownloadService0A.FileDownloadInit.Response) this.receivedPacket).fileNames;
+        } else if (this.receivedPacket instanceof FileDownloadService2C.FileDownloadInit.Response) {
+            this.newSync = true;
+            FileDownloadService2C.FileDownloadInit.Response packet = (FileDownloadService2C.FileDownloadInit.Response) this.receivedPacket;
+            this.filename = packet.fileName;
+            this.fileType = convertFileTypeFrom2C(packet.fileType);
+            this.fileId = packet.fileId;
+            this.fileSize = packet.fileSize;
+        } else {
+            throw new ResponseTypeMismatchException(receivedPacket, FileDownloadService2C.FileDownloadInit.Response.class);
+        }
+    }
+}

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huawei/requests/GetFileInfoRequest.java

@@ -0,0 +1,81 @@
+/*  Copyright (C) 2024 Martin.JM
+
+    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 <https://www.gnu.org/licenses/>. */
+package nodomain.freeyourgadget.gadgetbridge.service.devices.huawei.requests;
+
+import java.util.List;
+
+import nodomain.freeyourgadget.gadgetbridge.devices.huawei.HuaweiPacket;
+import nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets.FileDownloadService0A;
+import nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets.FileDownloadService2C;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.huawei.HuaweiFileDownloadManager;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.huawei.HuaweiSupportProvider;
+
+public class GetFileInfoRequest extends Request {
+    private final HuaweiFileDownloadManager.FileRequest request;
+
+    public boolean newSync;
+
+    // Old sync
+    public int fileLength;
+
+    // New sync
+    public byte fileId;
+    public byte timeout;
+    public int maxBlockSize;
+    public boolean noEncrypt;
+
+    public GetFileInfoRequest(HuaweiSupportProvider support, HuaweiFileDownloadManager.FileRequest request) {
+        super(support);
+        if (request.newSync) {
+            this.serviceId = FileDownloadService2C.id;
+            this.commandId = FileDownloadService2C.FileInfo.id;
+        } else {
+            this.serviceId = FileDownloadService0A.id;
+            this.commandId = FileDownloadService0A.FileInfo.id;
+        }
+        this.request = request;
+    }
+
+    @Override
+    protected List<byte[]> createRequest() throws RequestCreationException {
+        try {
+            if (this.request.newSync)
+                return new FileDownloadService2C.FileInfo.Request(paramsProvider, this.request.fileId).serialize();
+            else
+                return new FileDownloadService0A.FileInfo.Request(paramsProvider, this.request.filename).serialize();
+        } catch (HuaweiPacket.CryptoException e) {
+            throw new RequestCreationException(e);
+        }
+    }
+
+    @Override
+    protected void processResponse() throws ResponseParseException {
+        if (this.receivedPacket instanceof FileDownloadService0A.FileInfo.Response) {
+            this.newSync = false;
+            this.fileLength = ((FileDownloadService0A.FileInfo.Response) this.receivedPacket).fileLength;
+        } else if (this.receivedPacket instanceof FileDownloadService2C.FileInfo.Response) {
+            this.newSync = true;
+            FileDownloadService2C.FileInfo.Response packet = (FileDownloadService2C.FileInfo.Response) this.receivedPacket;
+            this.fileId = packet.fileId;
+            this.timeout = packet.timeout;
+            this.maxBlockSize = packet.maxBlockSize;
+            this.noEncrypt = packet.noEncrypt;
+        } else {
+            throw new ResponseTypeMismatchException(this.receivedPacket, FileDownloadService2C.FileInfo.Response.class);
+        }
+    }
+}

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huawei/requests/GetFileParametersRequest.java

@@ -0,0 +1,60 @@
+/*  Copyright (C) 2024 Martin.JM
+
+    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 <https://www.gnu.org/licenses/>. */
+package nodomain.freeyourgadget.gadgetbridge.service.devices.huawei.requests;
+
+import java.util.List;
+
+import nodomain.freeyourgadget.gadgetbridge.devices.huawei.HuaweiPacket;
+import nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets.FileDownloadService0A;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.huawei.HuaweiSupportProvider;
+
+public class GetFileParametersRequest extends Request {
+
+    private int maxBlockSize;
+    private int timeout;
+
+    public GetFileParametersRequest(HuaweiSupportProvider support) {
+        super(support);
+        this.serviceId = FileDownloadService0A.id;
+        this.commandId = FileDownloadService0A.FileParameters.id;
+    }
+
+    @Override
+    protected List<byte[]> createRequest() throws RequestCreationException {
+        try {
+            return new FileDownloadService0A.FileParameters.Request(paramsProvider).serialize();
+        } catch (HuaweiPacket.CryptoException e) {
+            throw new RequestCreationException(e);
+        }
+    }
+
+    @Override
+    protected void processResponse() throws ResponseParseException {
+        if (!(this.receivedPacket instanceof FileDownloadService0A.FileParameters.Response))
+            throw new ResponseTypeMismatchException(this.receivedPacket, FileDownloadService0A.FileParameters.Response.class);
+        this.maxBlockSize = ((FileDownloadService0A.FileParameters.Response) this.receivedPacket).maxBlockSize;
+        this.timeout = ((FileDownloadService0A.FileParameters.Response) this.receivedPacket).timeout;
+    }
+
+    public int getMaxBlockSize() {
+        return maxBlockSize;
+    }
+
+    public int getTimeout() {
+        return timeout;
+    }
+}

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huawei/requests/GetSettingRelatedRequest.java

@@ -46,6 +46,11 @@ public class GetSettingRelatedRequest extends Request {
 
     @Override
     protected void processResponse() throws ResponseParseException {
+        if (!(receivedPacket instanceof DeviceConfig.SettingRelated.Response))
+            throw new ResponseTypeMismatchException(receivedPacket, DeviceConfig.SettingRelated.Response.class);
+
         LOG.debug("handle Setting Related");
+
+        supportProvider.getHuaweiCoordinator().setSupportsTruSleepNewSync(((DeviceConfig.SettingRelated.Response) receivedPacket).truSleepNewSync);
     }
 }

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huawei/requests/GetSleepDataRequest.java

@@ -85,7 +85,7 @@ public class GetSleepDataRequest extends Request {
                             (timestampInts[5]);
             short duration = (short) (durationInt * 60);
 
-            this.supportProvider.addSleepActivity(timestamp, duration, subContainer.type);
+            this.supportProvider.addSleepActivity(timestamp, timestamp + duration, subContainer.type, FitnessData.MessageData.sleepId);
         }
 
         if (count + 1 < maxCount) {

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huawei/requests/Request.java

@@ -79,6 +79,10 @@ public class Request {
         public ResponseTypeMismatchException(HuaweiPacket a, Class<?> b) {
             super("Response type mismatch, packet is of type " + a.getClass() + " but expected " + b);
         }
+
+        public ResponseTypeMismatchException(HuaweiPacket a, Class<?> b, Class<?> c) {
+            super("Response type mismatch, packet is of type " + a.getClass() + " but expected " + b + " or " + c);
+        }
     }
 
     public static class WorkoutParseException extends ResponseParseException {
@@ -111,10 +115,13 @@ public class Request {
         public RequestCallback(HuaweiSupportProvider supportProvider) {
             support = supportProvider;
         }
-        public void call() {};
+        public void call() {}
+        public void call(Request request) {
+            call(); // To keep everything working as it was as well
+        }
         public void handleException(ResponseParseException e) {
             LOG.error("Callback request exception", e);
-        };
+        }
     }
 
     public Request(HuaweiSupportProvider supportProvider, nodomain.freeyourgadget.gadgetbridge.service.btbr.TransactionBuilder builder) {
@@ -213,7 +220,7 @@ public class Request {
         if (nextRequest == null || stopChain) {
             operationStatus = OperationStatus.FINISHED;
             if (finalizeReq != null) {
-                finalizeReq.call();
+                finalizeReq.call(this);
             }
         }
     }
@@ -300,4 +307,8 @@ public class Request {
             this.supportProvider.performConnected(transaction);
         }
     }
+
+    public boolean autoRemoveFromResponseHandler() {
+        return true;
+    }
 }

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huawei/requests/SetTruSleepRequest.java

@@ -39,8 +39,8 @@ public class SetTruSleepRequest extends Request {
     @Override
     protected List<byte[]> createRequest() throws RequestCreationException {
         boolean truSleepSwitch = GBApplication
-            .getDeviceSpecificSharedPrefs(supportProvider.getDevice().getAddress())
-            .getBoolean(HuaweiConstants.PREF_HUAWEI_TRUSLEEP, false);
+                .getDeviceSpecificSharedPrefs(this.getDevice().getAddress())
+                .getBoolean(HuaweiConstants.PREF_HUAWEI_TRUSLEEP, false);
         try {
             return new FitnessData.TruSleep.Request(paramsProvider, truSleepSwitch).serialize();
         } catch (HuaweiPacket.CryptoException e) {

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

@@ -2468,7 +2468,7 @@
     <string name="huawei_trusleep_title">HUAWEI TruSleep &#8482;</string>
     <string name="huawei_trusleep_summary">Monitor your sleep quality and breathing pattern in real time.\nAnalyze your sleep patterns and accurately diagnose 6 types of sleeping problems.</string>
     <string name="huawei_trusleep_summary_light">Improved sleep monitoring</string>
-    <string name="huawei_trusleep_warning">Warning: enabling this will stop sleep from showing up in Gadgetbridge! Click here if you accept this.</string>
+    <string name="huawei_trusleep_warning">Warning: enabling this will make all sleep show up as light sleep in Gadgetbridge! Click here if you accept this.</string>
     <string name="prefs_activity_recognition">Activity recognition settings</string>
     <string name="pref_activity_recognize_running">recognize running</string>
     <string name="pref_activity_recognize_biking">recognize biking</string>

app/src/test/java/nodomain/freeyourgadget/gadgetbridge/devices/huawei/TestHuaweiTruSleepParser.java

@@ -0,0 +1,39 @@
+/*  Copyright (C) 2024 Martin.JM
+
+    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 <https://www.gnu.org/licenses/>. */
+package nodomain.freeyourgadget.gadgetbridge.devices.huawei;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import nodomain.freeyourgadget.gadgetbridge.util.GB;
+
+public class TestHuaweiTruSleepParser {
+
+    @Test
+    public void testParseState() {
+        byte[] test = GB.hexStringToByteArray("0100000002000000000000000000000003000000050000000000000000000000");
+
+        HuaweiTruSleepParser.TruSleepStatus[] expected = new HuaweiTruSleepParser.TruSleepStatus[] {
+                new HuaweiTruSleepParser.TruSleepStatus(1, 2),
+                new HuaweiTruSleepParser.TruSleepStatus(3, 5)
+        };
+
+        HuaweiTruSleepParser.TruSleepStatus[] result = HuaweiTruSleepParser.parseState(test);
+
+        Assert.assertArrayEquals(expected, result);
+    }
+}

app/src/test/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huawei/TestDebugRequestParser.java

@@ -140,11 +140,6 @@ public class TestDebugRequestParser {
 
         }
 
-        @Override
-        public void addSleepActivity(int timestamp, short duration, byte type) {
-
-        }
-
         @Override
         public void addStepData(int timestamp, short steps, short calories, short distance, byte spo, byte heartrate) {
 

app/src/test/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huawei/TestResponseManager.java

@@ -36,6 +36,7 @@ import java.lang.reflect.Field;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
+import java.util.Objects;
 import java.util.UUID;
 
 import nodomain.freeyourgadget.gadgetbridge.deviceevents.GBDeviceEvent;
@@ -44,6 +45,7 @@ import nodomain.freeyourgadget.gadgetbridge.devices.huawei.packets.Workout;
 import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
 import nodomain.freeyourgadget.gadgetbridge.service.btbr.Transaction;
 import nodomain.freeyourgadget.gadgetbridge.service.btbr.TransactionBuilder;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.huawei.requests.GetEventAlarmList;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.huawei.requests.Request;
 
 @RunWith(MockitoJUnitRunner.class)
@@ -151,11 +153,6 @@ public class TestResponseManager {
 
         }
 
-        @Override
-        public void addSleepActivity(int timestamp, short duration, byte type) {
-
-        }
-
         @Override
         public void addStepData(int timestamp, short steps, short calories, short distance, byte spo, byte heartrate) {
 
@@ -233,6 +230,30 @@ public class TestResponseManager {
         Assert.assertEquals(expectedHandlers, handlersField.get(responseManager));
     }
 
+    @Test
+    public void testRemoveHandlerClass() throws IllegalAccessException {
+        Request input1 = new GetEventAlarmList(supportProvider);
+        Request input2 = new GetEventAlarmList(supportProvider);
+        Request extra = new Request(supportProvider);
+
+        List<Request> inputHandlers = Collections.synchronizedList(new ArrayList<Request>());
+        inputHandlers.add(extra);
+        inputHandlers.add(input1);
+        inputHandlers.add(extra);
+        inputHandlers.add(input2);
+
+        List<Request> expectedHandlers = Collections.synchronizedList(new ArrayList<Request>());
+        expectedHandlers.add(extra);
+        expectedHandlers.add(extra);
+
+        ResponseManager responseManager = new ResponseManager(supportProvider);
+        handlersField.set(responseManager, inputHandlers);
+
+        responseManager.removeHandler(GetEventAlarmList.class);
+
+        Assert.assertEquals(expectedHandlers, handlersField.get(responseManager));
+    }
+
     @Test
     public void testHandleDataCompletePacketSynchronous() throws Exception {
         // Note that this is not a proper packet, but that doesn't matter as we're not testing
@@ -249,10 +270,9 @@ public class TestResponseManager {
         Request request1 = Mockito.mock(Request.class);
         when(request1.handleResponse((HuaweiPacket) any()))
                 .thenReturn(true);
+        when(request1.autoRemoveFromResponseHandler())
+                .thenReturn(true);
         Request request2 = Mockito.mock(Request.class);
-        // FIXME: Removed due to UnnecessaryStubbingException after mockito-core update
-        //when(request2.handleResponse((HuaweiPacket) any()))
-        //        .thenReturn(false);
 
         List<Request> inputHandlers = Collections.synchronizedList(new ArrayList<Request>());
         inputHandlers.add(request1);
@@ -342,10 +362,9 @@ public class TestResponseManager {
         Request request1 = Mockito.mock(Request.class);
         when(request1.handleResponse((HuaweiPacket) any()))
                 .thenReturn(true);
+        when(request1.autoRemoveFromResponseHandler())
+                .thenReturn(true);
         Request request2 = Mockito.mock(Request.class);
-        // FIXME: Removed due to UnnecessaryStubbingException after mockito-core update
-        //when(request2.handleResponse((HuaweiPacket) any()))
-        //        .thenReturn(false);
 
         List<Request> inputHandlers = Collections.synchronizedList(new ArrayList<Request>());
         inputHandlers.add(request1);