Examples with Subscription com.eveningoutpost.dexdrip.utils.bt.Subscription used on opensource projects

Example 31 with Subscription

use of com.eveningoutpost.dexdrip.utils.bt.Subscription in project xDrip-plus by jamorham.

the class MiBandService method enableHeartRateNotification.

private void enableHeartRateNotification() {
    if (MiBandEntry.isNeedToCollectHR()) {
        if (notifSubscriptionHeartRateMeasurement != null)
            return;
    } else {
        if (notifSubscriptionHeartRateMeasurement != null) {
            notifSubscriptionHeartRateMeasurement.unsubscribe();
            notifSubscriptionHeartRateMeasurement = null;
            return;
        }
    }
    if (d)
        UserError.Log.d(TAG, "Requesting to enable HR notifications");
    notifSubscriptionHeartRateMeasurement = new Subscription(I.connection.setupNotification(Const.UUID_CHAR_HEART_RATE_MEASUREMENT).flatMap(notificationObservable -> notificationObservable).observeOn(Schedulers.newThread()).subscribe(bytes -> {
        // incoming notifications
        if (d)
            UserError.Log.d(TAG, "Received HR notification bytes: " + bytesToHex(bytes));
        handleHeartrate(bytes);
    }, throwable -> {
        notifSubscriptionHeartRateMeasurement.unsubscribe();
        notifSubscriptionHeartRateMeasurement = null;
        UserError.Log.d(TAG, "HR Throwable in Record Notification: " + throwable);
        if (throwable instanceof BleCharacteristicNotFoundException) {
            UserError.Log.d(TAG, "HR Characteristic not found for notification");
        } else {
            UserError.Log.d(TAG, "HR Disconnected exception");
        }
    }));
}

Example 32 with Subscription

use of com.eveningoutpost.dexdrip.utils.bt.Subscription in project xDrip-plus by jamorham.

the class Ob1G5CollectionService method scan_for_device.

private synchronized void scan_for_device() {
    if (state == SCAN) {
        msg(gs(R.string.scanning));
        stopScan();
        // did we already find it?
        tryLoadingSavedMAC();
        if (always_scan || scan_next_run || (transmitterMAC == null) || (!transmitterID.equals(transmitterIDmatchingMAC)) || (static_last_timestamp < 1)) {
            // reset if set
            scan_next_run = false;
            // reset if set
            transmitterMAC = null;
            last_scan_started = JoH.tsl();
            scanWakeLock = JoH.getWakeLock("xdrip-jam-g5-scan", (int) Constants.MINUTE_IN_MS * 7);
            // "" if unset
            historicalTransmitterMAC = PersistentStore.getString(OB1G5_MACSTORE + transmitterID);
            ScanFilter filter;
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O && historicalTransmitterMAC.length() > 5) {
                filter = new ScanFilter.Builder().setDeviceAddress(historicalTransmitterMAC).build();
            } else {
                final String localTransmitterID = transmitterID;
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O && localTransmitterID != null && localTransmitterID.length() > 4) {
                    filter = new ScanFilter.Builder().setDeviceName(getTransmitterBluetoothName()).build();
                } else {
                    filter = new ScanFilter.Builder().build();
                }
            }
            scanSubscription = new Subscription(rxBleClient.scanBleDevices(new ScanSettings.Builder().setCallbackType(ScanSettings.CALLBACK_TYPE_ALL_MATCHES).setScanMode(android_wear ? ScanSettings.SCAN_MODE_BALANCED : minimize_scanning ? ScanSettings.SCAN_MODE_BALANCED : ScanSettings.SCAN_MODE_LOW_LATENCY).build(), // scan filter doesn't work reliable on android sdk 23+
            filter).subscribeOn(Schedulers.io()).subscribe(this::onScanResult, this::onScanFailure));
            if (minimize_scanning) {
                // Must be less than fail over timeout
                Inevitable.task(STOP_SCAN_TASK_ID, 320 * Constants.SECOND_IN_MS, this::stopScanWithTimeoutAndReschedule);
            }
            UserError.Log.d(TAG, "Scanning for: " + getTransmitterBluetoothName());
        } else {
            UserError.Log.d(TAG, "Transmitter mac already known: " + transmitterMAC);
            changeState(CONNECT);
        }
    } else {
        UserError.Log.wtf(TAG, "Attempt to scan when not in SCAN state");
    }
}

Example 33 with Subscription

use of com.eveningoutpost.dexdrip.utils.bt.Subscription in project xDrip-plus by jamorham.

the class Ob1G5CollectionService method connect_to_device.

private synchronized void connect_to_device(boolean auto) {
    if ((state == CONNECT) || (state == CONNECT_NOW)) {
        // TODO check mac
        if (transmitterMAC == null) {
            tryLoadingSavedMAC();
        }
        final String localTransmitterMAC = transmitterMAC;
        if (localTransmitterMAC != null) {
            msg("Connect request");
            if (state == CONNECT_NOW) {
                if (connection_linger != null)
                    JoH.releaseWakeLock(connection_linger);
                connection_linger = JoH.getWakeLock("jam-g5-pconnect", 60000);
            }
            if (d)
                UserError.Log.d(TAG, "Local bonding state: " + (isDeviceLocallyBonded() ? "BONDED" : "NOT Bonded"));
            stopConnect();
            try {
                bleDevice = rxBleClient.getBleDevice(localTransmitterMAC);
                // / / Listen for connection state changes
                stateSubscription = new Subscription(bleDevice.observeConnectionStateChanges().subscribeOn(Schedulers.io()).subscribe(this::onConnectionStateChange, throwable -> {
                    UserError.Log.wtf(TAG, "Got Error from state subscription: " + throwable);
                }));
                last_connect_started = JoH.tsl();
                // Attempt to establish a connection // TODO does this need different connection timeout for auto vs normal?
                connectionSubscription = new Subscription(bleDevice.establishConnection(auto).timeout(7, TimeUnit.MINUTES).subscribeOn(Schedulers.io()).subscribe(this::onConnectionReceived, this::onConnectionFailure));
            } catch (IllegalArgumentException e) {
                UserError.Log.e(TAG, "Caught IllegalArgument Exception: " + e + " retry on next run");
                // TODO if this is due to concurrent access then changing state again may be a bad idea
                state = SCAN;
                // note backoff
                backoff_automata();
            }
        } else {
            UserError.Log.wtf(TAG, "No transmitter mac address!");
            state = SCAN;
            // note backoff
            backoff_automata();
        }
    } else {
        UserError.Log.wtf(TAG, "Attempt to connect when not in CONNECT state");
    }
}

Example 34 with Subscription

use of com.eveningoutpost.dexdrip.utils.bt.Subscription in project xDrip-plus by jamorham.

the class BlueJayService method enableNotifications.

private void enableNotifications() {
    UserError.Log.d(TAG, "enableNotifications called()");
    if (I.isNotificationEnabled) {
        UserError.Log.d(TAG, "Notifications already enabled");
        changeNextState();
        return;
    }
    if (notificationSubscription != null) {
        notificationSubscription.unsubscribe();
    }
    JoH.threadSleep(500);
    UserError.Log.d(TAG, "Requesting to enable notifications");
    if (I.connection == null) {
        UserError.Log.d(TAG, "Connection went away before we could enable notifications");
        return;
    }
    notificationSubscription = new Subscription(I.connection.setupNotification(THINJAM_WRITE).observeOn(// needed?
    Schedulers.newThread()).doOnNext(notificationObservable -> {
        UserError.Log.d(TAG, "Notifications enabled");
        I.connection.writeCharacteristic(THINJAM_BULK, new byte[] { 0x55 });
        // Debug sleep to make sure notifications are actually enabled???
        JoH.threadSleep(500);
        I.isNotificationEnabled = true;
        changeNextState();
    }).flatMap(notificationObservable -> notificationObservable).observeOn(Schedulers.newThread()).subscribe(bytes -> {
        // incoming notifications
        UserError.Log.d(TAG, "Received notification bytes: " + JoH.bytesToHex(bytes));
        val pushRx = PushRx.parse(bytes);
        if (pushRx != null) {
            UserError.Log.d(TAG, "Received PushRX: " + pushRx.toS());
            getInfo().processPushRx(pushRx);
            processPushRxActions(pushRx);
        } else if (bytes[0] == 0x06) {
            // TODO move this to parsed response
            final int replyParam = ((int) bytes[1]) & 0xff;
            if (replyParam == 0) {
                UserError.Log.d(TAG, "Bulk up success reply marker received! - removing queue head item");
                // removes first item from the queue which should be the one we just processed!
                commandQueue.poll();
                UserError.Log.d(TAG, "Scheduling immediate run of queue");
                // remove timeout retry task
                Inevitable.kill("tj-next-queue");
                Inevitable.task("tj-next-queue", 0, this::processQueue);
            } else {
                revisedOffset = replyParam;
                // race condition on display
                UserError.Log.d(TAG, "Bulk up failure at: " + revisedOffset);
            }
        } else if (bytes[0] == (byte) 0xFE) {
            audioStreamCallBack(bytes);
        } else {
            if (ThinJamActivity.isD()) {
                notificationString.append(new String(bytes));
                Inevitable.task("tj update notifi", 250, new Runnable() {

                    @Override
                    public void run() {
                        stringObservableField.set(notificationString.toString());
                    }
                });
            }
        }
    }, throwable -> {
        UserError.Log.d(TAG, "Throwable in Record Notification: " + throwable);
        I.isNotificationEnabled = false;
        if (throwable instanceof BleCharacteristicNotFoundException) {
            // maybe legacy - ignore for now but needs better handling
            UserError.Log.d(TAG, "Characteristic not found for notification");
            debug.processTestSuite("logcharerror");
            tryGattRefresh(getI().connection);
        }
        if (throwable instanceof BleCannotSetCharacteristicNotificationException) {
            UserError.Log.e(TAG, "Problems setting notifications - disconnecting");
            changeState(CLOSE);
        }
        if (throwable instanceof BleDisconnectedException) {
            UserError.Log.d(TAG, "Disconnected while enabling notifications");
            changeState(CLOSE);
        }
    }));
}