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Code Issues 1 Packages Projects Releases Wiki Activity

CMF Buds 2a: Add low latency mode

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This commit is contained in:
José Rebelo
2026-05-02 19:09:11 +01:00
parent 24d1a40e39
commit 069277747c
6 changed files with 45 additions and 3 deletions
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app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/devicesettings/DeviceSettingsPreferenceConst.java
+1
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@@ -374,6 +374,7 @@ public class DeviceSettingsPreferenceConst {
public static final String PREF_NOTHING_EAR1_INEAR = "pref_nothing_inear_detection";
public static final String PREF_NOTHING_EAR1_AUDIOMODE = "pref_nothing_audiomode";
public static final String PREF_HEADPHONES_LOW_LATENCY = "pref_headphones_low_latency";
public static final String PREF_HUAWEI_FREEBUDS_INEAR = "pref_freebuds_inear_detection";
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/devicesettings/DeviceSpecificSettingsFragment.java
+1
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@@ -730,6 +730,7 @@ public class DeviceSpecificSettingsFragment extends AbstractPreferenceFragment i
addPreferenceHandlerFor(PREF_NOTHING_EAR1_INEAR);
addPreferenceHandlerFor(PREF_NOTHING_EAR1_AUDIOMODE);
addPreferenceHandlerFor(PREF_HEADPHONES_LOW_LATENCY);
addPreferenceHandlerFor(PREF_HUAWEI_FREEBUDS_INEAR);
addPreferenceHandlerFor(PREF_HUAWEI_FREEBUDS_AUDIOMODE);
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/nothing/AbstractEarCoordinator.java
+7
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@@ -66,6 +66,9 @@ public abstract class AbstractEarCoordinator extends AbstractBLClassicDeviceCoor
public DeviceSpecificSettings getDeviceSpecificSettings(final GBDevice device) {
final DeviceSpecificSettings deviceSpecificSettings = new DeviceSpecificSettings();
deviceSpecificSettings.addRootScreen(R.xml.devicesettings_nothing_ear1);
if (supportsLowLatency()) {
deviceSpecificSettings.addRootScreen(R.xml.devicesettings_headphones_low_latency);
}
deviceSpecificSettings.addRootScreen(R.xml.devicesettings_headphones);
return deviceSpecificSettings;
}
@@ -93,4 +96,8 @@ public abstract class AbstractEarCoordinator extends AbstractBLClassicDeviceCoor
public abstract boolean supportsAdaptiveAnc();
public abstract boolean supportsMediumAnc();
public boolean supportsLowLatency() {
return false;
}
}
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/nothing/CmfBuds2aCoordinator.java
+13 -3
View File
@@ -55,9 +55,19 @@ public class CmfBuds2aCoordinator extends AbstractEarCoordinator {
public boolean supportsTransparency() {
return true;
}
@Override
public boolean supportsMediumAnc() { return false; }
@Override
public boolean supportsAdaptiveAnc() { return false; }
public boolean supportsMediumAnc() {
return false;
}
@Override
public boolean supportsAdaptiveAnc() {
return false;
}
@Override
public boolean supportsLowLatency() {
return true;
}
}
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/nothing/Ear1Support.java
+13
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@@ -128,6 +128,13 @@ public class Ear1Support extends AbstractHeadphoneBTBRDeviceSupport {
sendCommand("set audio mode", nothingProtocol.encodeAudioMode(prefs.getString(DeviceSettingsPreferenceConst.PREF_NOTHING_EAR1_AUDIOMODE, "off")));
// response: 55 20 01 0F 70 00 00 00
break;
case DeviceSettingsPreferenceConst.PREF_HEADPHONES_LOW_LATENCY:
sendCommand("set low latency", nothingProtocol.encodeLowLatency(prefs.getBoolean(DeviceSettingsPreferenceConst.PREF_HEADPHONES_LOW_LATENCY, false)));
// ON: 55 6001 40F0 0100 34 01 47 0253
// ON Response: 55 6001 4070 0000 34 FF FF95
// OFF: 55 6001 40F0 0100 5C 02 28 9353
// OFF Response: 55 6001 4070 0000 5C FF FF95
break;
default:
LOG.debug("CONFIG: " + config);
break;
@@ -158,6 +165,7 @@ public class Ear1Support extends AbstractHeadphoneBTBRDeviceSupport {
private static final short firmware_version = (short) 0xc042;
private static final short audio_mode_status = (short) 0xc01e;
private static final short audio_mode_status2 = (short) 0xe003;
private static final short low_latency = (short) 0xf040;
private static final short unk_maybe_ack = (short) 0xf002;
private static final short unk_close_case = (short) 0xe002; //sent twice when the case is closed with earphones in
@@ -359,6 +367,11 @@ public class Ear1Support extends AbstractHeadphoneBTBRDeviceSupport {
return encodeMessage((short) 0x120, audio_mode, payload);
}
byte[] encodeLowLatency(boolean enabled) {
final byte payload = (byte) (enabled ? 0x01 : 0x02);
return encodeMessage((short) 0x120, low_latency, new byte[]{payload});
}
public byte[] encodeFindDevice(boolean start) {
byte payload = (byte) (start ? 0x01 : 0x00);
return encodeMessage((short) 0x120, find_device, new byte[]{payload});
app/src/main/res/xml/devicesettings_headphones_low_latency.xml
+10
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@@ -0,0 +1,10 @@
<?xml version="1.0" encoding="utf-8"?>
<androidx.preference.PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
<SwitchPreferenceCompat
android:defaultValue="false"
android:icon="@drawable/ic_videogame"
android:key="pref_headphones_low_latency"
android:layout="@layout/preference_checkbox"
android:summary="@string/earfun_low_latency_mode_hint"
android:title="@string/earfun_low_latency_mode" />
</androidx.preference.PreferenceScreen>