oppo: add DEVICE_INFO subscribe logic

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/oppo/OppoHeadphonesProtocol.java

@@ -30,6 +30,7 @@ import java.util.EnumSet;
 import java.util.Set;
 import java.util.HashSet;
 
+import nodomain.freeyourgadget.gadgetbridge.util.StringUtils;
 import nodomain.freeyourgadget.gadgetbridge.GBApplication;
 import nodomain.freeyourgadget.gadgetbridge.R;
 import nodomain.freeyourgadget.gadgetbridge.deviceevents.GBDeviceEvent;
@@ -47,6 +48,7 @@ import nodomain.freeyourgadget.gadgetbridge.service.devices.oppo.commands.TouchC
 import nodomain.freeyourgadget.gadgetbridge.service.devices.oppo.commands.MiscConfigType;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.oppo.commands.AncConfigType;
 import nodomain.freeyourgadget.gadgetbridge.service.devices.oppo.commands.AncConfigValue;
+import nodomain.freeyourgadget.gadgetbridge.service.devices.oppo.commands.DeviceInfoType;
 import nodomain.freeyourgadget.gadgetbridge.service.serial.GBDeviceProtocol;
 import nodomain.freeyourgadget.gadgetbridge.util.preferences.DevicePrefs;
 
@@ -143,19 +145,11 @@ public class OppoHeadphonesProtocol extends GBDeviceProtocol {
                 events.addAll(parseBattery(payload));
                 break;
             }
-            case DEVICE_INFO: {
-                switch (payload[0]) {
-                    case 1: // battery
-                        events.addAll(parseBattery(payload));
-                        break;
-                    case 2: // status
-                        LOG.debug("Got status");
-                        // TODO handle
-                        break;
-                    default:
-                        LOG.warn("Unknown device info {}", payload[0]);
-                }
-
+            case DEVICE_INFO_ACK:
+                LOG.debug("Got device info ack, return={}", StringUtils.bytesToHex(payload));
+                break;
+            case DEVICE_INFO_RET: {
+                events.addAll(parseDeviceInfo(payload));
                 break;
             }
             case FIRMWARE_RET: {
@@ -345,6 +339,34 @@ public class OppoHeadphonesProtocol extends GBDeviceProtocol {
         return events;
     }
 
+
+    private static List<GBDeviceEvent> parseDeviceInfo(final byte[] payload) {
+        final List<GBDeviceEvent> events = new ArrayList<>();
+        final int typeCode = payload[0] & 0xff;
+        final DeviceInfoType type = DeviceInfoType.fromCode(typeCode);
+        if (type == null) {
+            LOG.warn("Unknown device info {}", payload[0]);
+            return events;
+        }
+
+        switch (type) {
+            case BATTERY: {
+                events.addAll(parseBattery(payload));
+                break;
+            }
+            case STATUS: {
+                LOG.debug("Got status");
+                // TODO handle
+                break;
+            }
+            default: {
+                LOG.warn("Unknown device info {}", payload[0]);
+                break;
+            }
+        }
+        return events;
+    }
+
     private static GBDeviceEvent parseMiscConfig(final byte[] payload) {
         final GBDeviceEventUpdatePreferences eventUpdatePreferences = new GBDeviceEventUpdatePreferences();
         for (int i = 2; i + 1 < payload.length; i += 2) {
@@ -623,6 +645,15 @@ public class OppoHeadphonesProtocol extends GBDeviceProtocol {
         return encodeMessage(OppoCommand.ANC_CONFIG_REQ, payload);
     }
 
+    public byte[] encodeDeviceInfoSet() {
+        final byte[] payload = new byte[] {
+            (byte) 0x09,
+            (byte) DeviceInfoType.BATTERY.getCode(),
+            (byte) DeviceInfoType.GAME_MODE.getCode(),
+        };
+        return encodeMessage(OppoCommand.DEVICE_INFO_SET, payload);
+    }
+
     private byte[] encodeMessage(final OppoCommand command, final byte[] payload) {
         final ByteBuffer buf = ByteBuffer.allocate(9 + payload.length).order(ByteOrder.LITTLE_ENDIAN);
         buf.put(CMD_PREAMBLE);

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/oppo/OppoHeadphonesSupport.java

@@ -74,6 +74,7 @@ public class OppoHeadphonesSupport extends AbstractHeadphoneSerialDeviceSupportV
 
     @Override
     protected TransactionBuilder initializeDevice(final TransactionBuilder builder) {
+        builder.write(mDeviceProtocol.encodeDeviceInfoSet());
         builder.write(mDeviceProtocol.encodeFirmwareVersionReq());
 
         final OppoHeadphonesCoordinator coordinator = (OppoHeadphonesCoordinator) getDevice().getDeviceCoordinator();

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/oppo/commands/DeviceInfoType.java

@@ -0,0 +1,47 @@
+/*  Copyright (C) 2024 José Rebelo
+
+    This file is part of Gadgetbridge.
+
+    Gadgetbridge is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published
+    by the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    Gadgetbridge is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>. */
+package nodomain.freeyourgadget.gadgetbridge.service.devices.oppo.commands;
+
+import androidx.annotation.Nullable;
+
+public enum DeviceInfoType {
+    BATTERY(0x01),
+    STATUS(0x02),
+    GAME_MODE(0x05),
+    ;
+
+    private final int code;
+
+    DeviceInfoType(final int code) {
+        this.code = code;
+    }
+
+    public int getCode() {
+        return code;
+    }
+
+    @Nullable
+    public static DeviceInfoType fromCode(final int code) {
+        for (final DeviceInfoType param : DeviceInfoType.values()) {
+            if (param.code == code) {
+                return param;
+            }
+        }
+
+        return null;
+    }
+}

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/oppo/commands/OppoCommand.java

@@ -21,7 +21,9 @@ import androidx.annotation.Nullable;
 public enum OppoCommand {
     BATTERY_REQ(0x0106),
     BATTERY_RET(0x8106),
-    DEVICE_INFO(0x0204),
+    DEVICE_INFO_SET(0x0205),
+    DEVICE_INFO_ACK(0x8205),
+    DEVICE_INFO_RET(0x0204),
     FIRMWARE_GET(0x0105),
     FIRMWARE_RET(0x8105),
     TOUCH_CONFIG_REQ(0x0108),