mirror of
https://codeberg.org/Freeyourgadget/Gadgetbridge
synced 2024-08-31 11:35:10 +02:00
124 lines
4.2 KiB
Java
124 lines
4.2 KiB
Java
/* Copyright (C) 2021 José Rebelo
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This file is part of Gadgetbridge.
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Gadgetbridge is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published
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by the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Gadgetbridge is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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package nodomain.freeyourgadget.gadgetbridge.service.devices.sony.headphones;
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import android.bluetooth.BluetoothAdapter;
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import android.content.Context;
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import android.os.Handler;
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import android.os.ParcelUuid;
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import androidx.annotation.NonNull;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.UUID;
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import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
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import nodomain.freeyourgadget.gadgetbridge.service.btclassic.BtClassicIoThread;
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import nodomain.freeyourgadget.gadgetbridge.service.devices.sony.headphones.protocol.Message;
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import nodomain.freeyourgadget.gadgetbridge.util.GB;
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public class SonyHeadphonesIoThread extends BtClassicIoThread {
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private static final Logger LOG = LoggerFactory.getLogger(SonyHeadphonesIoThread.class);
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private final SonyHeadphonesProtocol mProtocol;
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// Track whether we got the first reply
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private boolean firstReply = false;
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private final Handler handler = new Handler();
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private int initRetries = 0;
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/**
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* Sometimes the headphones will ignore the first init request, so we retry a few times
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* TODO: Implement this in a more elegant way. Ideally, we should retry every command for which we didn't get an ACK.
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*/
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private final Runnable initSendRunnable = new Runnable() {
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public void run() {
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// If we still haven't got any reply, re-send the init
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if (!firstReply) {
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if (initRetries++ < 2) {
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LOG.warn("Init retry {}", initRetries);
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write(mProtocol.encodeInit());
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scheduleInitRetry();
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} else {
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LOG.error("Failed to start headphones init after {} tries", initRetries);
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quit();
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}
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}
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}
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};
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public SonyHeadphonesIoThread(GBDevice gbDevice, Context context, SonyHeadphonesProtocol protocol, SonyHeadphonesSupport support, BluetoothAdapter btAdapter) {
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super(gbDevice, context, protocol, support, btAdapter);
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mProtocol = protocol;
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}
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@Override
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protected void initialize() {
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write(mProtocol.encodeInit());
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scheduleInitRetry();
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setUpdateState(GBDevice.State.INITIALIZING);
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}
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@Override
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public synchronized void write(byte[] bytes) {
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// Log the human-readable message, for debugging
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LOG.info("Writing {}", Message.fromBytes(bytes));
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super.write(bytes);
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}
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@Override
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protected byte[] parseIncoming(InputStream inputStream) throws IOException {
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final ByteArrayOutputStream msgStream = new ByteArrayOutputStream();
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final byte[] incoming = new byte[1];
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do {
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inputStream.read(incoming);
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if (incoming[0] == Message.MESSAGE_HEADER) {
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msgStream.reset();
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}
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msgStream.write(incoming);
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} while (incoming[0] != Message.MESSAGE_TRAILER);
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firstReply = true;
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LOG.trace("Raw message: {}", GB.hexdump(msgStream.toByteArray()));
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return msgStream.toByteArray();
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}
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@NonNull
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@Override
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protected UUID getUuidToConnect(@NonNull ParcelUuid[] uuids) {
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return UUID.fromString("96CC203E-5068-46ad-B32D-E316F5E069BA");
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}
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private void scheduleInitRetry() {
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LOG.info("Scheduling init retry");
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handler.postDelayed(initSendRunnable, 1250);
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}
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}
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