diff options
Diffstat (limited to 'examples/java/Notification.java')
| -rw-r--r-- | examples/java/Notification.java | 58 |
1 files changed, 32 insertions, 26 deletions
diff --git a/examples/java/Notification.java b/examples/java/Notification.java index ffb7bee1..069e013d 100644 --- a/examples/java/Notification.java +++ b/examples/java/Notification.java @@ -22,16 +22,22 @@ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -import tinyb.*; -import java.util.*; -import java.time.*; -import java.util.concurrent.locks.*; +import java.util.concurrent.locks.Condition; +import java.util.concurrent.locks.Lock; +import java.util.concurrent.locks.ReentrantLock; + +import org.tinyb.BluetoothDevice; +import org.tinyb.BluetoothFactory; +import org.tinyb.BluetoothGattCharacteristic; +import org.tinyb.BluetoothGattService; +import org.tinyb.BluetoothManager; +import org.tinyb.BluetoothNotification; class ValueNotification implements BluetoothNotification<byte[]> { - public void run(byte[] tempRaw) { + public void run(final byte[] tempRaw) { System.out.print("Temp raw = {"); - for (byte b : tempRaw) { + for (final byte b : tempRaw) { System.out.print(String.format("%02x,", b)); } System.out.print("}"); @@ -41,11 +47,11 @@ class ValueNotification implements BluetoothNotification<byte[]> { * raw temperature format to celsius and print it. Conversion for object temperature depends on ambient * according to wiki, but assume result is good enough for our purposes without conversion. */ - int objectTempRaw = (tempRaw[0] & 0xff) | (tempRaw[1] << 8); - int ambientTempRaw = (tempRaw[2] & 0xff) | (tempRaw[3] << 8); + final int objectTempRaw = (tempRaw[0] & 0xff) | (tempRaw[1] << 8); + final int ambientTempRaw = (tempRaw[2] & 0xff) | (tempRaw[3] << 8); - float objectTempCelsius = Notification.convertCelsius(objectTempRaw); - float ambientTempCelsius = Notification.convertCelsius(ambientTempRaw); + final float objectTempCelsius = Notification.convertCelsius(objectTempRaw); + final float ambientTempCelsius = Notification.convertCelsius(ambientTempRaw); System.out.println( String.format(" Temp: Object = %fC, Ambient = %fC", objectTempCelsius, ambientTempCelsius)); @@ -57,7 +63,7 @@ class ValueNotification implements BluetoothNotification<byte[]> { class ConnectedNotification implements BluetoothNotification<Boolean> { - public void run(Boolean connected) { + public void run(final Boolean connected) { System.out.println("Connected"); } @@ -67,14 +73,14 @@ public class Notification { private static final float SCALE_LSB = 0.03125f; static boolean running = true; - static void printDevice(BluetoothDevice device) { + static void printDevice(final BluetoothDevice device) { System.out.print("Address = " + device.getAddress()); System.out.print(" Name = " + device.getName()); System.out.print(" Connected = " + device.getConnected()); System.out.println(); } - static float convertCelsius(int raw) { + static float convertCelsius(final int raw) { return raw / 128f; } @@ -87,7 +93,7 @@ public class Notification { * The API used in this example is based on TinyB v0.3, which only supports polling, but v0.4 will introduce a * simplied API for discovering devices and services. */ - public static void main(String[] args) throws InterruptedException { + public static void main(final String[] args) throws InterruptedException { if (args.length < 1) { System.err.println("Run with <device_address> argument"); @@ -99,13 +105,13 @@ public class Notification { * library is through the BluetoothManager. There can be only one BluetoothManager at one time, and the * reference to it is obtained through the getBluetoothManager method. */ - BluetoothManager manager = BluetoothManager.getBluetoothManager(); + final BluetoothManager manager = BluetoothFactory.getDBusBluetoothManager(); /* * The manager will try to initialize a BluetoothAdapter if any adapter is present in the system. To initialize * discovery we can call startDiscovery, which will put the default adapter in discovery mode. */ - boolean discoveryStarted = manager.startDiscovery(); + final boolean discoveryStarted = manager.startDiscovery(); System.out.println("The discovery started: " + (discoveryStarted ? "true" : "false")); @@ -113,7 +119,7 @@ public class Notification { * After discovery is started, new devices will be detected. We can find the device we are interested in * through the manager's find method. */ - BluetoothDevice sensor = manager.find(null, args[0], null, Duration.ofSeconds(10)); + final BluetoothDevice sensor = manager.find(null, args[0], null, 10000); if (sensor == null) { System.err.println("No sensor found with the provided address."); @@ -137,8 +143,8 @@ public class Notification { */ //manager.stopDiscovery(); - Lock lock = new ReentrantLock(); - Condition cv = lock.newCondition(); + final Lock lock = new ReentrantLock(); + final Condition cv = lock.newCondition(); Runtime.getRuntime().addShutdownHook(new Thread() { public void run() { @@ -158,7 +164,7 @@ public class Notification { * http://processors.wiki.ti.com/images/a/a8/BLE_SensorTag_GATT_Server.pdf. The service we are looking for has the * short UUID AA00 which we insert into the TI Base UUID: f000XXXX-0451-4000-b000-000000000000 */ - BluetoothGattService tempService = sensor.find( "f000aa00-0451-4000-b000-000000000000"); + final BluetoothGattService tempService = sensor.find( "f000aa00-0451-4000-b000-000000000000"); if (tempService == null) { System.err.println("This device does not have the temperature service we are looking for."); @@ -167,9 +173,9 @@ public class Notification { } System.out.println("Found service " + tempService.getUUID()); - BluetoothGattCharacteristic tempValue = tempService.find("f000aa01-0451-4000-b000-000000000000"); - BluetoothGattCharacteristic tempConfig = tempService.find("f000aa02-0451-4000-b000-000000000000"); - BluetoothGattCharacteristic tempPeriod = tempService.find("f000aa03-0451-4000-b000-000000000000"); + final BluetoothGattCharacteristic tempValue = tempService.find("f000aa01-0451-4000-b000-000000000000"); + final BluetoothGattCharacteristic tempConfig = tempService.find("f000aa02-0451-4000-b000-000000000000"); + final BluetoothGattCharacteristic tempPeriod = tempService.find("f000aa03-0451-4000-b000-000000000000"); if (tempValue == null || tempConfig == null || tempPeriod == null) { System.err.println("Could not find the correct characteristics."); @@ -184,10 +190,10 @@ public class Notification { * mentioned above. We could also modify the update interval, by writing in the period characteristic, but the * default 1s is good enough for our purposes. */ - byte[] config = { 0x01 }; + final byte[] config = { 0x01 }; tempConfig.writeValue(config); - - byte[] period = { 100 }; + + final byte[] period = { 100 }; tempPeriod.writeValue(period); tempValue.enableValueNotifications(new ValueNotification()); |