private void broadcastUpdate(
final String action, final BluetoothGattCharacteristic characteristic) {
final Intent intent = new Intent(action);
// This is special handling for the Heart Rate Measurement profile. Data parsing is
// carried out as per profile specifications:
// http://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.heart_rate_measurement.xml
if (UUID_HEART_RATE_MEASUREMENT.equals(characteristic.getUuid())) {
int flag = characteristic.getProperties();
int format = -1;
if ((flag & 0x01) != 0) {
format = BluetoothGattCharacteristic.FORMAT_UINT16;
Log.d(TAG, "Heart rate format UINT16.");
} else {
format = BluetoothGattCharacteristic.FORMAT_UINT8;
Log.d(TAG, "Heart rate format UINT8.");
}
final int heartRate = characteristic.getIntValue(format, 1);
Log.d(TAG, String.format("Received heart rate: %d", heartRate));
intent.putExtra(EXTRA_DATA, String.valueOf(heartRate));
} else {
// For all other profiles, writes the data formatted in HEX.
final byte[] data = characteristic.getValue();
if (data != null && data.length > 0) {
final StringBuilder stringBuilder = new StringBuilder(data.length);
for (byte byteChar : data) stringBuilder.append(String.format("%02X ", byteChar));
intent.putExtra(EXTRA_DATA, new String(data) + "\n" + stringBuilder.toString());
}
}
sendBroadcast(intent);
}
// Some peripherals re-use UUIDs for multiple characteristics so we need to check the properties
// and UUID of all characteristics instead of using service.getCharacteristic(characteristicUUID)
private BluetoothGattCharacteristic findWritableCharacteristic(
BluetoothGattService service, UUID characteristicUUID, int writeType) {
try {
BluetoothGattCharacteristic characteristic = null;
// get write property
int writeProperty = BluetoothGattCharacteristic.PROPERTY_WRITE;
if (writeType == BluetoothGattCharacteristic.WRITE_TYPE_NO_RESPONSE) {
writeProperty = BluetoothGattCharacteristic.PROPERTY_WRITE_NO_RESPONSE;
}
List<BluetoothGattCharacteristic> characteristics = service.getCharacteristics();
for (BluetoothGattCharacteristic c : characteristics) {
if ((c.getProperties() & writeProperty) != 0 && characteristicUUID.equals(c.getUuid())) {
characteristic = c;
break;
}
}
// As a last resort, try and find ANY characteristic with this UUID, even if it doesn't have
// the correct properties
if (characteristic == null) {
characteristic = service.getCharacteristic(characteristicUUID);
}
return characteristic;
} catch (Exception e) {
Log.e(LOG_TAG, "Errore su findWritableCharacteristic", e);
return null;
}
}
private void broadcastUpdate(
final String action, final BluetoothGattCharacteristic characteristic) {
final Intent intent = new Intent(action);
if (UUID_HEART_RATE_MEASUREMENT.equals(characteristic.getUuid())) {
int flag = characteristic.getProperties();
int format = -1;
if ((flag & 0x01) != 0) {
format = BluetoothGattCharacteristic.FORMAT_UINT16;
} else {
format = BluetoothGattCharacteristic.FORMAT_UINT8;
}
final int heartRate = characteristic.getIntValue(format, 1);
LogUtil.info(TAG, "心率数据Received heart rate: %d" + heartRate);
LogUtil.info(TAG, String.format("Received heart rate: %d", heartRate));
intent.putExtra(EXTRA_DATA, receiveData);
} else {
// 脂肪秤和血糖仪设备数据返回
final byte[] data = characteristic.getValue();
if (data != null && data.length > 0) {
String s = FatScaleDataUtil.byteToHexStringFormat(data);
LogUtil.info(TAG, "原始数据：" + s);
if (DEVICE_TYPE == 1) {
intent.putExtra(EXTRA_DATA, s);
} else {
intent.putExtra(EXTRA_DATA, receiveData);
}
}
}
sendBroadcast(intent);
}
public static boolean qppEnable(
BluetoothGatt bluetoothGatt, String qppServiceUUID, String writeCharUUID) {
resetQppField();
if (qppServiceUUID != null) uuidQppService = qppServiceUUID;
if (writeCharUUID != null) uuidQppCharWrite = writeCharUUID;
if (bluetoothGatt == null || qppServiceUUID.isEmpty() || writeCharUUID.isEmpty()) {
Log.e(TAG, "invalid arguments");
return false;
}
BluetoothGattService qppService = bluetoothGatt.getService(UUID.fromString(qppServiceUUID));
if (qppService == null) {
Log.e(TAG, "Qpp service not found");
return false;
}
List<BluetoothGattCharacteristic> gattCharacteristics = qppService.getCharacteristics();
for (int j = 0; j < gattCharacteristics.size(); j++) {
BluetoothGattCharacteristic chara = gattCharacteristics.get(j);
if (chara.getUuid().toString().equals(writeCharUUID)) {
// Log.i(TAG,"Wr char is "+chara.getUuid().toString());
writeCharacteristic = chara;
} else if (chara.getProperties() == BluetoothGattCharacteristic.PROPERTY_NOTIFY) {
// Log.i(TAG,"NotiChar UUID is : "+chara.getUuid().toString());
notifyCharacteristic = chara;
arrayNtfCharList.add(chara);
}
}
if (!setCharacteristicNotification(bluetoothGatt, arrayNtfCharList.get(0), true)) return false;
notifyCharaIndex++;
return true;
}
public void listenToCaliperMeasurements(final BluetoothGattCharacteristic characteristic) {
if (characteristic == null) {
Log.e(
TAG,
"Haven't discovered this feature yet, please wait until it has connected once, and or try disconnecting and reconnecting.");
return;
}
Log.d(TAG, "Starting to listen to notifications from " + characteristic.getUuid());
final int charaProp = characteristic.getProperties();
if ((charaProp | BluetoothGattCharacteristic.PROPERTY_READ) > 0) {
// If there is an active notification on a characteristic, clear
// it first so it doesn't update the data field on the user interface.
if (mNotifyCharacteristic != null) {
mBluetoothLeService.setCharacteristicNotification(mNotifyCharacteristic, false);
mNotifyCharacteristic = null;
}
mBluetoothLeService.readCharacteristic(characteristic);
}
if ((charaProp | BluetoothGattCharacteristic.PROPERTY_NOTIFY) > 0) {
mNotifyCharacteristic = characteristic;
mBluetoothLeService.setCharacteristicNotification(characteristic, true);
// Set descriptor to enable notifications
BluetoothGattDescriptor descriptor =
characteristic.getDescriptor(
UUID.fromString(SCalEvoBluetoothSpecifications.CLIENT_CHARACTERISTIC_CONFIG));
if (descriptor == null) {
Log.e(
TAG,
"descriptor "
+ SCalEvoBluetoothSpecifications.CLIENT_CHARACTERISTIC_CONFIG
+ "was null, looking for others.");
List<BluetoothGattDescriptor> descriptors = characteristic.getDescriptors();
String uuid;
for (BluetoothGattDescriptor aDescriptor : descriptors) {
uuid = aDescriptor.getUuid().toString();
Log.e(TAG, "BluetoothGattDescriptor " + uuid);
descriptor = aDescriptor;
}
if (descriptor == null) {
Log.e(
TAG,
"Couldn't find any descriptors for this characteristic, cant enable notifications");
return;
} else {
Log.e(TAG, "Trying the last descriptor to enable notifications");
}
}
descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
mBluetoothLeService.writeDescriptor(descriptor);
Toast.makeText(this, "Ready", Toast.LENGTH_SHORT).show();
Log.e(TAG, "Ready to read from characteristic " + characteristic.getUuid());
}
}
/**
* Sends the read request to the given characteristic.
*
* @param characteristic the characteristic to read
* @return true if request has been sent
*/
protected final boolean readCharacteristic(final BluetoothGattCharacteristic characteristic) {
final BluetoothGatt gatt = mBluetoothGatt;
if (gatt == null || characteristic == null) return false;
// Check characteristic property
final int properties = characteristic.getProperties();
if ((properties & BluetoothGattCharacteristic.PROPERTY_READ) == 0) return false;
Logger.v(mLogSession, "Reading characteristic " + characteristic.getUuid());
Logger.d(mLogSession, "gatt.readCharacteristic(" + characteristic.getUuid() + ")");
return gatt.readCharacteristic(characteristic);
}
@Override
public void onCharacteristicChanged(
BluetoothGatt gatt, BluetoothGattCharacteristic characteristic) {
Log.d("characteristic=" + characteristic.getUuid());
int format;
int flag = characteristic.getProperties();
if ((flag & 0x01) != 0) {
format = BluetoothGattCharacteristic.FORMAT_UINT16;
} else {
format = BluetoothGattCharacteristic.FORMAT_UINT8;
}
int previousValue = mLastValue;
int value = characteristic.getIntValue(format, 1);
if (value < 50) {
// This is probably a false measurement, consider this as a disconnect
if (mStatus == Status.CONNECTED) {
// Disconnect
onDisconnect();
}
return;
}
mLastValue = value;
Log.d("heartRate=" + mLastValue);
if (mStatus != Status.CONNECTED) {
mStatus = Status.CONNECTED;
// Inform listeners
mListeners.dispatch(
new Dispatcher<HeartRateListener>() {
@Override
public void dispatch(HeartRateListener listener) {
listener.onConnected();
}
});
}
if (previousValue != mLastValue) {
// Inform listeners
mListeners.dispatch(
new Dispatcher<HeartRateListener>() {
@Override
public void dispatch(HeartRateListener listener) {
listener.onHeartRateChange(mLastValue);
}
});
}
}
public static JSONArray decodeProperties(BluetoothGattCharacteristic characteristic) {
// NOTE: props strings need to be consistent across iOS and Android
JSONArray props = new JSONArray();
int properties = characteristic.getProperties();
if ((properties & BluetoothGattCharacteristic.PROPERTY_BROADCAST) != 0x0) {
props.put("Broadcast");
}
if ((properties & BluetoothGattCharacteristic.PROPERTY_READ) != 0x0) {
props.put("Read");
}
if ((properties & BluetoothGattCharacteristic.PROPERTY_WRITE_NO_RESPONSE) != 0x0) {
props.put("WriteWithoutResponse");
}
if ((properties & BluetoothGattCharacteristic.PROPERTY_WRITE) != 0x0) {
props.put("Write");
}
if ((properties & BluetoothGattCharacteristic.PROPERTY_NOTIFY) != 0x0) {
props.put("Notify");
}
if ((properties & BluetoothGattCharacteristic.PROPERTY_INDICATE) != 0x0) {
props.put("Indicate");
}
if ((properties & BluetoothGattCharacteristic.PROPERTY_SIGNED_WRITE) != 0x0) {
// Android calls this "write with signature", using iOS name for now
props.put("AuthenticateSignedWrites");
}
if ((properties & BluetoothGattCharacteristic.PROPERTY_EXTENDED_PROPS) != 0x0) {
props.put("ExtendedProperties");
}
// iOS only?
//
// if ((p & CBCharacteristicPropertyNotifyEncryptionRequired) != 0x0) { // 0x100
// [props addObject:@"NotifyEncryptionRequired"];
// }
//
// if ((p & CBCharacteristicPropertyIndicateEncryptionRequired) != 0x0) { // 0x200
// [props addObject:@"IndicateEncryptionRequired"];
// }
return props;
}
// Some devices reuse UUIDs across characteristics, so we can't use
// service.getCharacteristic(characteristicUUID)
// instead check the UUID and properties for each characteristic in the service until we find the
// best match
// This function prefers Notify over Indicate
private BluetoothGattCharacteristic findNotifyCharacteristic(
BluetoothGattService service, UUID characteristicUUID) {
BluetoothGattCharacteristic characteristic = null;
try {
// Check for Notify first
List<BluetoothGattCharacteristic> characteristics = service.getCharacteristics();
for (BluetoothGattCharacteristic c : characteristics) {
if ((c.getProperties() & BluetoothGattCharacteristic.PROPERTY_NOTIFY) != 0
&& characteristicUUID.equals(c.getUuid())) {
characteristic = c;
break;
}
}
if (characteristic != null) return characteristic;
// If there wasn't Notify Characteristic, check for Indicate
for (BluetoothGattCharacteristic c : characteristics) {
if ((c.getProperties() & BluetoothGattCharacteristic.PROPERTY_INDICATE) != 0
&& characteristicUUID.equals(c.getUuid())) {
characteristic = c;
break;
}
}
// As a last resort, try and find ANY characteristic with this UUID, even if it doesn't have
// the correct properties
if (characteristic == null) {
characteristic = service.getCharacteristic(characteristicUUID);
}
return characteristic;
} catch (Exception e) {
Log.e(LOG_TAG, "Errore su caratteristica " + characteristicUUID, e);
return null;
}
}
/**
* Writes the characteristic value to the given characteristic.
*
* @param characteristic the characteristic to write to
* @return true if request has been sent
*/
protected final boolean writeCharacteristic(final BluetoothGattCharacteristic characteristic) {
final BluetoothGatt gatt = mBluetoothGatt;
if (gatt == null || characteristic == null) return false;
// Check characteristic property
final int properties = characteristic.getProperties();
if ((properties
& (BluetoothGattCharacteristic.PROPERTY_WRITE
| BluetoothGattCharacteristic.PROPERTY_WRITE_NO_RESPONSE))
== 0) return false;
Logger.v(mLogSession, "Writing characteristic " + characteristic.getUuid());
Logger.d(mLogSession, "gatt.writeCharacteristic(" + characteristic.getUuid() + ")");
return gatt.writeCharacteristic(characteristic);
}
private void broadcastUpdate(
final String action, final BluetoothGattCharacteristic characteristic, String device) {
final Intent intent = new Intent(action);
if (UUID_HEART_RATE_MEASUREMENT.equals(characteristic.getUuid())) {
int flag = characteristic.getProperties();
int format = -1;
if ((flag & 0x01) != 0) {
format = BluetoothGattCharacteristic.FORMAT_UINT16;
Log.d(TAG, "Heart rate format UINT16.");
} else {
format = BluetoothGattCharacteristic.FORMAT_UINT8;
Log.d(TAG, "Heart rate format UINT8.");
}
final int heartRate = characteristic.getIntValue(format, 1);
System.out.println("Received heart rate: %d" + heartRate);
Log.d(TAG, String.format("Received heart rate: %d", heartRate));
intent.putExtra(EXTRA_DATA, String.valueOf(heartRate));
} else if (BATTERY_CHACTER_UUID.equals(characteristic.getUuid())) {
final byte[] data = characteristic.getValue();
if (data != null && data.length > 0) {
final StringBuilder stringBuilder = new StringBuilder(data.length);
for (byte byteChar : data) stringBuilder.append(String.format("%02X ", byteChar));
Log.e(TAG, "############################broadcastUpdate : " + data[0]);
intent.putExtra(BATTERY_DATA, data);
intent.putExtra(BluetoothDevice.EXTRA_DEVICE, device);
}
} else {
// For all other profiles, writes the data formatted in HEX.
/*final byte[] data = characteristic.getValue();
for (int i = 0; i < data.length; i++) {
Log.v("ww", "sa:" + data[i]);
}
if (data != null && data.length > 0) {
intent.putExtra(EXTRA_DATA, data);
}*/
final byte[] data = characteristic.getValue();
if (data != null && data.length > 0) {
final StringBuilder stringBuilder = new StringBuilder(data.length);
for (byte byteChar : data) stringBuilder.append(String.format("%02X ", byteChar));
intent.putExtra(EXTRA_DATA, new String(data) + "\n" + stringBuilder.toString());
intent.putExtra(BluetoothDevice.EXTRA_DEVICE, device);
}
}
sendBroadcast(intent);
}
/**
* This method tries to enable notifications on the Battery Level characteristic.
*
* @param enable <code>true</code> to enable battery notifications, false to disable
* @return true if request has been sent
*/
public boolean setBatteryNotifications(final boolean enable) {
final BluetoothGatt gatt = mBluetoothGatt;
if (gatt == null) {
return false;
}
final BluetoothGattService batteryService = gatt.getService(BATTERY_SERVICE);
if (batteryService == null) return false;
final BluetoothGattCharacteristic batteryLevelCharacteristic =
batteryService.getCharacteristic(BATTERY_LEVEL_CHARACTERISTIC);
if (batteryLevelCharacteristic == null) return false;
// Check characteristic property
final int properties = batteryLevelCharacteristic.getProperties();
if ((properties & BluetoothGattCharacteristic.PROPERTY_NOTIFY) == 0) return false;
gatt.setCharacteristicNotification(batteryLevelCharacteristic, enable);
final BluetoothGattDescriptor descriptor =
batteryLevelCharacteristic.getDescriptor(CLIENT_CHARACTERISTIC_CONFIG_DESCRIPTOR_UUID);
if (descriptor != null) {
if (enable) {
descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
Logger.a(mLogSession, "Enabling battery level notifications...");
Logger.v(mLogSession, "Enabling notifications for " + BATTERY_LEVEL_CHARACTERISTIC);
Logger.d(
mLogSession,
"gatt.writeDescriptor("
+ CLIENT_CHARACTERISTIC_CONFIG_DESCRIPTOR_UUID
+ ", value=0x01-00)");
} else {
descriptor.setValue(BluetoothGattDescriptor.DISABLE_NOTIFICATION_VALUE);
Logger.a(mLogSession, "Disabling battery level notifications...");
Logger.v(mLogSession, "Disabling notifications for " + BATTERY_LEVEL_CHARACTERISTIC);
Logger.d(
mLogSession,
"gatt.writeDescriptor("
+ CLIENT_CHARACTERISTIC_CONFIG_DESCRIPTOR_UUID
+ ", value=0x00-00)");
}
return gatt.writeDescriptor(descriptor);
}
return false;
}
/**
* Reads the battery level from the device.
*
* @return true if request has been sent
*/
public final boolean readBatteryLevel() {
final BluetoothGatt gatt = mBluetoothGatt;
if (gatt == null) return false;
final BluetoothGattService batteryService = gatt.getService(BATTERY_SERVICE);
if (batteryService == null) return false;
final BluetoothGattCharacteristic batteryLevelCharacteristic =
batteryService.getCharacteristic(BATTERY_LEVEL_CHARACTERISTIC);
if (batteryLevelCharacteristic == null) return false;
// Check characteristic property
final int properties = batteryLevelCharacteristic.getProperties();
if ((properties & BluetoothGattCharacteristic.PROPERTY_READ) == 0) {
return setBatteryNotifications(true);
}
Logger.a(mLogSession, "Reading battery level...");
return readCharacteristic(batteryLevelCharacteristic);
}
// Some peripherals re-use UUIDs for multiple characteristics so we need to check the properties
// and UUID of all characteristics instead of using service.getCharacteristic(characteristicUUID)
private BluetoothGattCharacteristic findReadableCharacteristic(
BluetoothGattService service, UUID characteristicUUID) {
BluetoothGattCharacteristic characteristic = null;
int read = BluetoothGattCharacteristic.PROPERTY_READ;
List<BluetoothGattCharacteristic> characteristics = service.getCharacteristics();
for (BluetoothGattCharacteristic c : characteristics) {
if ((c.getProperties() & read) != 0 && characteristicUUID.equals(c.getUuid())) {
characteristic = c;
break;
}
}
// As a last resort, try and find ANY characteristic with this UUID, even if it doesn't have the
// correct properties
if (characteristic == null) {
characteristic = service.getCharacteristic(characteristicUUID);
}
return characteristic;
}
@Override
public boolean onChildClick(
ExpandableListView parent, View v, int groupPosition, int childPosition, long id) {
if (mGattCharacteristics != null) {
final BluetoothGattCharacteristic characteristic =
mGattCharacteristics.get(groupPosition).get(childPosition);
final int charaProp = characteristic.getProperties();
if ((charaProp | BluetoothGattCharacteristic.PROPERTY_READ) > 0) {
// If there is an active notification on a characteristic, clear
// it first so it doesn't update the data field on the user interface.
if (mNotifyCharacteristic != null) {
mBluetoothLeService.setCharacteristicNotification(mNotifyCharacteristic, false);
mNotifyCharacteristic = null;
}
mBluetoothLeService.readCharacteristic(characteristic);
}
if ((charaProp | BluetoothGattCharacteristic.PROPERTY_NOTIFY) > 0) {
listenToCaliperMeasurements(characteristic);
}
return true;
}
return false;
}
/**
* Enables indications on given characteristic
*
* @return true is the request has been sent, false if one of the arguments was <code>null</code>
* or the characteristic does not have the CCCD.
*/
protected final boolean enableIndications(final BluetoothGattCharacteristic characteristic) {
final BluetoothGatt gatt = mBluetoothGatt;
if (gatt == null || characteristic == null) return false;
// Check characteristic property
final int properties = characteristic.getProperties();
if ((properties & BluetoothGattCharacteristic.PROPERTY_INDICATE) == 0) return false;
gatt.setCharacteristicNotification(characteristic, true);
final BluetoothGattDescriptor descriptor =
characteristic.getDescriptor(CLIENT_CHARACTERISTIC_CONFIG_DESCRIPTOR_UUID);
if (descriptor != null) {
descriptor.setValue(BluetoothGattDescriptor.ENABLE_INDICATION_VALUE);
Logger.v(mLogSession, "Enabling indications for " + characteristic.getUuid());
Logger.d(
mLogSession,
"gatt.writeDescriptor("
+ CLIENT_CHARACTERISTIC_CONFIG_DESCRIPTOR_UUID
+ ", value=0x02-00)");
return gatt.writeDescriptor(descriptor);
}
return false;
}
// ----------------------------------------------------------------------------------------------------------------
// Write to a given characteristic. The completion of the write is reported asynchronously through
// the
// BluetoothGattCallback onCharacteristicWrire callback method.
public void writeCharacteristic(BluetoothGattCharacteristic characteristic) {
if (mBluetoothAdapter == null
|| mBluetoothGatt == null) { // Check that we have access to a Bluetooth radio
Log.w(TAG, "BluetoothAdapter not initialized");
return;
}
int test = characteristic.getProperties(); // Get the properties of the characteristic
if ((test & BluetoothGattCharacteristic.PROPERTY_WRITE) == 0
&& (test & BluetoothGattCharacteristic.PROPERTY_WRITE_NO_RESPONSE)
== 0) { // Check that the property is writable
return;
}
if (mBluetoothGatt.writeCharacteristic(
characteristic)) { // Request the BluetoothGatt to do the Write
Log.d(
TAG,
"writeCharacteristic successful"); // The request was accepted, this does not mean the
// write completed
} else {
Log.d(
TAG, "writeCharacteristic failed"); // Write request was not accepted by the BluetoothGatt
}
}
private void displayGattServices(List<BluetoothGattService> gattServices) {
if (gattServices == null) return;
for (BluetoothGattService gattService : gattServices) {
// -----Service的字段信息-----//
int type = gattService.getType();
Log.e(TAG, "-->service type:" + Utils.getServiceType(type));
Log.e(TAG, "-->includedServices size:" + gattService.getIncludedServices().size());
Log.e(TAG, "-->service uuid:" + gattService.getUuid());
// -----Characteristics的字段信息-----//
List<BluetoothGattCharacteristic> gattCharacteristics = gattService.getCharacteristics();
for (final BluetoothGattCharacteristic gattCharacteristic : gattCharacteristics) {
Log.e(TAG, "---->char uuid:" + gattCharacteristic.getUuid());
int permission = gattCharacteristic.getPermissions();
Log.e(TAG, "---->char permission:" + Utils.getCharPermission(permission));
int property = gattCharacteristic.getProperties();
Log.e(TAG, "---->char property:" + Utils.getCharPropertie(property));
byte[] data = gattCharacteristic.getValue();
if (data != null && data.length > 0) {
Log.e(TAG, "---->char value:" + Utils.bytesToHexString(data));
}
if (gattService.getUuid().toString().equals(UUID_KEY_SERVICE)) { // 如果是温度计的service
// UUID_KEY_DATA是可以跟蓝牙模块串口通信的Characteristic
if (gattCharacteristic.getUuid().toString().equals(UUID_KEY_DATA_RECIV)) {
// 测试读取当前Characteristic数据，会触发mOnDataAvailable.onCharacteristicRead()
mHandler.postDelayed(
new Runnable() {
@Override
public void run() {
mBLE_reciv.readCharacteristic(gattCharacteristic);
}
},
500);
// 接受Characteristic被写的通知,收到蓝牙模块的数据后会触发mOnDataAvailable.onCharacteristicWrite()
mBLE_reciv.setCharacteristicNotification(gattCharacteristic, true);
BluetoothGattDescriptor localBluetoothGattDescriptor =
gattCharacteristic.getDescriptor(UUID.fromString(CCC));
localBluetoothGattDescriptor.setValue(
BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
mBluetoothGatt.writeDescriptor(localBluetoothGattDescriptor);
appState.gattCharacteristic_reciv_dianzichen = gattCharacteristic;
// 设置数据内容
// gattCharacteristic.setValue("0");
// 往蓝牙模块写入数据
// appState.mBLE_reciv_dianzichen.writeCharacteristic(gattCharacteristic);
}
// UUID_KEY_DATA是可以跟蓝牙模块串口通信的Characteristic
if (gattCharacteristic.getUuid().toString().equals(UUID_KEY_DATA_SEND)) {
// 测试读取当前Characteristic数据，会触发mOnDataAvailable.onCharacteristicRead()
mHandler.postDelayed(
new Runnable() {
@Override
public void run() {
mBLE_send.readCharacteristic(gattCharacteristic);
// Log.i("info", "appState.mBLE_send_dianzichen 尝试读数据");
}
},
500);
// 接受Characteristic被写的通知,收到蓝牙模块的数据后会触发mOnDataAvailable.onCharacteristicWrite()
mBLE_send.setCharacteristicNotification(gattCharacteristic, true);
// 设置数据内容
// gattCharacteristic.setValue("send data->");
// 往蓝牙模块写入数据
// mBLE_send.writeCharacteristic(gattCharacteristic);
if (!appState.firstActivityRunning) {
appState.gattCharacteristic_send_dianzichen = gattCharacteristic;
appState.file.write2SDFromInput("inurse/", "Dianzichen.txt", appState.deviceAddress);
Intent it = new Intent(this, DianzichenActivity.class);
startActivityForResult(it, 0); // 配合onActivityResult，当FirstActivity退出时获得一个0值，然后自己也退出
// moveTaskToBack(true); //这一句是整个程序返回桌面
appState.firstActivityRunning = true;
}
}
} // 结束 if ( gattService.getUuid().toString().equals(UUID_KEY_SERVICE) )
// -----Descriptors的字段信息-----//
List<BluetoothGattDescriptor> gattDescriptors = gattCharacteristic.getDescriptors();
for (BluetoothGattDescriptor gattDescriptor : gattDescriptors) {
Log.e(TAG, "-------->desc uuid:" + gattDescriptor.getUuid());
int descPermission = gattDescriptor.getPermissions();
Log.e(TAG, "-------->desc permission:" + Utils.getDescPermission(descPermission));
byte[] desData = gattDescriptor.getValue();
if (desData != null && desData.length > 0) {
Log.e(TAG, "-------->desc value:" + Utils.bytesToHexString(data));
}
// soloman 接收的uuid要设置CCC通知enable，并回写到BluetoothGatt
// if (gattDescriptor.getUuid().toString().equals(CCC)){
// gattDescriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
// mBluetoothGatt.writeDescriptor(gattDescriptor);
// }
}
}
} //
}
private void broadcastUpdate(
final String action, final BluetoothGattCharacteristic characteristic) {
final Intent intent = new Intent(action);
// This is special handling for the Heart Rate Measurement profile. Data parsing is
// carried out as per profile specifications:
// http://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.heart_rate_measurement.xml
if (UUID_HEART_RATE_MEASUREMENT.equals(characteristic.getUuid())) {
int flag = characteristic.getProperties();
int format = -1;
if ((flag & 0x01) != 0) {
format = BluetoothGattCharacteristic.FORMAT_UINT16;
Log.d(TAG, "Heart rate format UINT16.");
} else {
format = BluetoothGattCharacteristic.FORMAT_UINT8;
Log.d(TAG, "Heart rate format UINT8.");
}
final int heartRate = characteristic.getIntValue(format, 1);
Log.d(TAG, String.format("Received heart rate: %d", heartRate));
intent.putExtra(EXTRA_DATA, String.valueOf(heartRate));
} else {
// For all other profiles, writes the data formatted in HEX.
final byte[] data = characteristic.getValue();
if (data != null && data.length > 0) {
final StringBuilder stringBuilder = new StringBuilder(data.length);
for (byte byteChar : data) stringBuilder.append(String.format("%02X ", byteChar));
intent.putExtra(EXTRA_DATA, new String(data) + "\n" + stringBuilder.toString());
if (characteristic.getUuid().toString().equals(SampleGattAttributes.DEBUG_PACKET_CHAR)) {
log28.append("\n" + new String(data) + "\n" + stringBuilder.toString() + "\n");
} else if (characteristic
.getUuid()
.toString()
.equals(SampleGattAttributes.QUAT_PACKET_CHAR)) {
log26.append("\n" + new String(data) + "\n" + stringBuilder.toString() + "\n");
} else if (characteristic
.getUuid()
.toString()
.equals(SampleGattAttributes.DATA_PACKET_CHAR)) {
log27.append("\n" + new String(data) + "\n" + stringBuilder.toString() + "\n");
String dataType = stringBuilder.substring(3, 5);
Log.d(TAG, "String Subset: " + dataType);
switch (dataType) {
case "00": // a
log27_a.append("\n" + new String(data) + "\n" + stringBuilder.toString() + "\n");
break;
case "01": // g
log27_g.append("\n" + new String(data) + "\n" + stringBuilder.toString() + "\n");
break;
case "03": // q
log27_q.append("\n" + new String(data) + "\n" + stringBuilder.toString() + "\n");
break;
case "04": // e
log27_e.append("\n" + new String(data) + "\n" + stringBuilder.toString() + "\n");
break;
case "06": // h
log27_h.append("\n" + new String(data) + "\n" + stringBuilder.toString() + "\n");
break;
}
}
}
}
sendBroadcast(intent);
}
@Override
@Properties
public int getProperties() {
final @Properties int properties = wrappedCharacteristic.getProperties();
return properties;
}
// This seems way too complicated
public void registerNotify(
UUID serviceUUID, UUID characteristicUUID, Callback success, Callback fail) {
Log.d(LOG_TAG, "registerNotify");
if (gatt == null) {
fail.invoke("BluetoothGatt is null");
return;
}
BluetoothGattService service = gatt.getService(serviceUUID);
BluetoothGattCharacteristic characteristic =
findNotifyCharacteristic(service, characteristicUUID);
// String key = generateHashKey(serviceUUID, characteristic);
if (characteristic != null) {
Log.d(LOG_TAG, "characteristic ok");
if (gatt.setCharacteristicNotification(characteristic, true)) {
BluetoothGattDescriptor descriptor =
characteristic.getDescriptor(UUID.fromString(CHARACTERISTIC_NOTIFICATION_CONFIG));
if (descriptor != null) {
Log.d(LOG_TAG, "trovato descriptor");
// prefer notify over indicate
if ((characteristic.getProperties() & BluetoothGattCharacteristic.PROPERTY_NOTIFY) != 0) {
Log.d(LOG_TAG, "Characteristic " + characteristicUUID + " set NOTIFY");
descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
} else if ((characteristic.getProperties()
& BluetoothGattCharacteristic.PROPERTY_INDICATE)
!= 0) {
Log.d(LOG_TAG, "Characteristic " + characteristicUUID + " set INDICATE");
descriptor.setValue(BluetoothGattDescriptor.ENABLE_INDICATION_VALUE);
} else {
Log.d(
LOG_TAG,
"Characteristic "
+ characteristicUUID
+ " does not have NOTIFY or INDICATE property set");
}
if (gatt.writeDescriptor(descriptor)) {
// Tutto ok
Log.d(LOG_TAG, "registerNotify completato");
success.invoke();
} else {
fail.invoke(
"Failed to set client characteristic notification for " + characteristicUUID);
}
} else {
fail.invoke("Set notification failed for " + characteristicUUID);
}
} else {
fail.invoke("Failed to register notification for " + characteristicUUID);
}
} else {
fail.invoke("Characteristic " + characteristicUUID + " not found");
}
}