Examples with BluetoothException tinyb.BluetoothException used on opensource projects

Example 1 with BluetoothException

use of tinyb.BluetoothException in project smarthome by eclipse.

the class BlueZBluetoothDevice method writeCharacteristic.

@Override
public boolean writeCharacteristic(BluetoothCharacteristic characteristic) {
    if (device == null) {
        throw new IllegalStateException("TinyB device is not yet set");
    }
    BluetoothGattCharacteristic c = getTinybCharacteristicByUUID(characteristic.getUuid().toString());
    scheduler.submit(() -> {
        try {
            BluetoothCompletionStatus successStatus = c.writeValue(characteristic.getByteValue()) ? BluetoothCompletionStatus.SUCCESS : BluetoothCompletionStatus.ERROR;
            notifyListeners(BluetoothEventType.CHARACTERISTIC_WRITE_COMPLETE, characteristic, successStatus);
        } catch (BluetoothException e) {
            logger.debug("Exception occurred when trying to read characteristic '{}': {}", characteristic.getUuid(), e.getMessage());
            notifyListeners(BluetoothEventType.CHARACTERISTIC_WRITE_COMPLETE, characteristic, BluetoothCompletionStatus.ERROR);
        }
    });
    return true;
}

Example 2 with BluetoothException

use of tinyb.BluetoothException in project smarthome by eclipse.

the class BlueZBluetoothDevice method enableNotifications.

@Override
public boolean enableNotifications(BluetoothCharacteristic characteristic) {
    if (device == null || !device.getConnected()) {
        throw new IllegalStateException("TinyB device is not set or not connected");
    }
    BluetoothGattCharacteristic c = getTinybCharacteristicByUUID(characteristic.getUuid().toString());
    if (c != null) {
        try {
            c.enableValueNotifications(value -> {
                logger.debug("Received new value '{}' for characteristic '{}' of device '{}'", value, characteristic.getUuid(), address);
                characteristic.setValue(value);
                notifyListeners(BluetoothEventType.CHARACTERISTIC_UPDATED, characteristic);
            });
        } catch (BluetoothException e) {
            if (e.getMessage().contains("Already notifying")) {
                return false;
            } else if (e.getMessage().contains("In Progress")) {
                // let's retry in 10 seconds
                scheduler.schedule(() -> enableNotifications(characteristic), 10, TimeUnit.SECONDS);
            } else {
                logger.warn("Exception occurred while activating notifications on '{}'", address, e);
            }
        }
        return true;
    } else {
        logger.warn("Characteristic '{}' is missing on device '{}'.", characteristic.getUuid(), address);
        return false;
    }
}

Example 3 with BluetoothException

use of tinyb.BluetoothException in project smarthome by eclipse.

the class BlueZBluetoothDevice method readCharacteristic.

@Override
public boolean readCharacteristic(BluetoothCharacteristic characteristic) {
    if (device == null) {
        throw new IllegalStateException("TinyB device is not yet set");
    }
    BluetoothGattCharacteristic c = getTinybCharacteristicByUUID(characteristic.getUuid().toString());
    scheduler.submit(() -> {
        try {
            byte[] value = c.readValue();
            characteristic.setValue(value);
            notifyListeners(BluetoothEventType.CHARACTERISTIC_READ_COMPLETE, characteristic, BluetoothCompletionStatus.SUCCESS);
        } catch (BluetoothException e) {
            logger.debug("Exception occurred when trying to read characteristic '{}': {}", characteristic.getUuid(), e.getMessage());
            notifyListeners(BluetoothEventType.CHARACTERISTIC_READ_COMPLETE, characteristic, BluetoothCompletionStatus.ERROR);
        }
    });
    return true;
}