/**
* Request a read on a given {@code BluetoothGattCharacteristic}. The read result is reported
* asynchronously through the {@code
* BluetoothGattCallback#onCharacteristicRead(android.bluetooth.BluetoothGatt,
* android.bluetooth.BluetoothGattCharacteristic, int)} callback.
*
* @param characteristic The characteristic to read from.
*/
public void readCharacteristic(BluetoothGattCharacteristic characteristic) {
if (mBluetoothAdapter == null || mBluetoothGatt == null) {
Log.w(TAG, "BluetoothAdapter not initialized");
return;
}
mBluetoothGatt.readCharacteristic(characteristic);
}
@Override
public void onWriteToA007(byte[] data) {
if ((data[3] == 0x72 || data[3] == 0x73) && isBtnFlag) {
isBeginFlag = true;
isBtnFlag = false;
} else {
isBeginFlag = false;
}
LogUtil.e(
"send commond is:"
+ LogUtil.byte2HexString(data)
+ " ; isBtnFlag="
+ isBtnFlag
+ " ; isBeginFlag="
+ isBeginFlag);
if (gattCharacteristics != null) {
if (data != null && data.length > 0 && data[data.length - 1] != (byte) 0x00) {
final BluetoothGattCharacteristic characteristic = gattCharacteristics.get(2);
// LogUtil.e("准备请求uuid：" + characteristic.getUuid());
byte[] bytes = currentCmdPacket.getInputDataPacket();
if (bytes != null) {
characteristic.setValue(bytes);
}
bluetoothGatt.writeCharacteristic(characteristic);
} else {
final BluetoothGattCharacteristic characteristic = gattCharacteristics.get(0);
// LogUtil.e("准备请求uuid：" + characteristic.getUuid());
bluetoothGatt.readCharacteristic(characteristic);
}
}
}
/*
* Send an enable command to each sensor by writing a configuration
* characteristic. This is specific to the SensorTag to keep power
* low by disabling sensors you aren't using.
*/
private void enableNextSensor(BluetoothGatt gatt) {
BluetoothGattCharacteristic characteristic;
gatt2 = gatt;
Log.wtf("mState is", mState + "");
switch (mState) {
case 0:
Log.wtf(TAG, "Renaming");
characteristic = gatt.getService(MAIN_SERVICE).getCharacteristic(ERROR_CHAR);
gatt.readCharacteristic(characteristic);
break;
case 1:
Log.d(TAG, "Enabling pressure cal");
characteristic = gatt.getService(MAIN_SERVICE).getCharacteristic(CONFIG_CHAR);
characteristic.setValue(new byte[] {0x01});
gatt.writeCharacteristic(characteristic);
break;
default:
mHandler.sendEmptyMessage(MSG_DISMISS);
Log.i(TAG, "All Sensors Enabled");
return;
}
}
// ----------------------------------------------------------------------------------------------------------------
// Request a read of a given BluetoothGattCharacteristic. The Read result is reported
// asynchronously through the
// BluetoothGattCallback onCharacteristicRead callback method.
// For information only. This application uses Indication to receive updated characteristic data,
// not Read
public void readCharacteristic(BluetoothGattCharacteristic characteristic) {
if (mBluetoothAdapter == null
|| mBluetoothGatt == null) { // Check that we have access to a Bluetooth radio
Log.w(TAG, "BluetoothAdapter not initialized");
return;
}
mBluetoothGatt.readCharacteristic(
characteristic); // Request the BluetoothGatt to Read the characteristic
}
@Override
public void onReadFromA009(byte[] data) {
LogUtil.e("card response is:" + LogUtil.byte2HexString(data));
if (gattCharacteristics != null) {
if (data.length == 1 && data[0] == (byte) 0xFC) {
// 读取完毕，最后遇到0xfc标识
currentCmdPacket.parseOutputDataPacket(outputDatas);
isBusy = false;
if (!outputDatas.isEmpty()) {
outputDatas.clear();
}
getCmd();
isReady = false;
// final BluetoothGattCharacteristic characteristic =
// gattCharacteristics.get(0);
// LogUtil.e("准备请求uuid：" + characteristic.getUuid());
// bluetoothGatt.readCharacteristic(characteristic);
} else if (data.length == 3 && data[0] == 0x00) {
// 返回错误码
// no data return, sw return only
// add this case for speed up, skip read FC
byte[] swOnly = {0x01, 0x02, data[1], data[2]};
outputDatas.add(swOnly);
currentCmdPacket.parseOutputDataPacket(outputDatas);
isReady = true;
final BluetoothGattCharacteristic characteristic = gattCharacteristics.get(0);
// LogUtil.e("准备请求uuid：" + characteristic.getUuid());
bluetoothGatt.readCharacteristic(characteristic);
} else {
// 继续读取其他数据
outputDatas.add(data);
final BluetoothGattCharacteristic characteristic = gattCharacteristics.get(3);
// LogUtil.e("准备请求uuid：" + characteristic.getUuid());
bluetoothGatt.readCharacteristic(characteristic);
}
}
}
/**
* 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 onWriteToA008(byte[] data) {
LogUtil.e("inputData is:" + LogUtil.byte2HexString(data));
if (gattCharacteristics != null) {
byte[] bytes = currentCmdPacket.getInputDataPacket();
if (bytes != null) {
final BluetoothGattCharacteristic characteristic = gattCharacteristics.get(2);
// LogUtil.e("准备请求uuid：" + characteristic.getUuid());
characteristic.setValue(bytes);
bluetoothGatt.writeCharacteristic(characteristic);
} else {
final BluetoothGattCharacteristic characteristic = gattCharacteristics.get(0);
// LogUtil.e("准备请求uuid：" + characteristic.getUuid());
bluetoothGatt.readCharacteristic(characteristic);
}
}
}
@Override
public void run() {
for (Characteristiques ch : MainActivity.propertiesToDisplay) {
BluetoothGattCharacteristic characteristic =
service.getCharacteristic(UUID.fromString(ch.getCharacteristic()));
if (characteristic != null) {
gatt.readCharacteristic(characteristic);
try {
Thread.sleep(200);
} catch (InterruptedException e) {
e.printStackTrace();
}
displayData(characteristic, ch);
}
}
}
/*
* from Samsung HRPService.java
*/
private void DummyReadForSecLevelCheck(BluetoothGatt btGatt) {
if (btGatt == null) return;
BluetoothGattService disService = btGatt.getService(DIS_UUID);
if (disService == null) {
reportConnectFailed("Dis service not found");
return;
}
BluetoothGattCharacteristic firmwareIdCharc =
disService.getCharacteristic(FIRMWARE_REVISON_UUID);
if (firmwareIdCharc == null) {
reportConnectFailed("firmware revison charateristic not found!");
return;
}
if (btGatt.readCharacteristic(firmwareIdCharc) == false) {
reportConnectFailed("firmware revison reading is failed!");
}
// continue in onCharacteristicRead
}
public void readBatteryCharacteristic() {
if (mBluetoothAdapter == null || mBluetoothGatt == null) {
Log.w(TAG, "BluetoothAdapter not initialized");
return;
}
BluetoothGattService alarmService = null;
BluetoothGattCharacteristic batteryCharacter = null;
if (mBluetoothGatt != null) {
alarmService = mBluetoothGatt.getService(BATTERY_SERVICE_UUID);
}
if (alarmService != null) {
batteryCharacter =
alarmService.getCharacteristic(UUID.fromString("00002a19-0000-1000-8000-00805f9b34fb"));
}
if (batteryCharacter != null) {
mBluetoothGatt.readCharacteristic(batteryCharacter);
}
}
public void read(
UUID serviceUUID, UUID characteristicUUID, Callback successCallback, Callback failCallback) {
if (gatt == null) {
failCallback.invoke("BluetoothGatt is null");
return;
}
BluetoothGattService service = gatt.getService(serviceUUID);
BluetoothGattCharacteristic characteristic =
findReadableCharacteristic(service, characteristicUUID);
if (characteristic == null) {
failCallback.invoke("Characteristic " + characteristicUUID + " not found.");
} else {
readCallback = successCallback;
readFailCallback = failCallback;
if (!gatt.readCharacteristic(characteristic)) {
readCallback = null;
failCallback.invoke("Read failed");
}
}
}
@Override
public void onReadFromA006(byte[] data) {
LogUtil.e("A006:" + LogUtil.byte2HexString(data));
if (gattCharacteristics != null) {
// for didGetButton
if (isBeginFlag == true) {
// LogUtil.i("isBtnFlag=true && data=" + LogUtil.byte2HexString(data));
if (data[data.length - 1] == (byte) 0x80) {
// button pressed
if (isReady) {
isBusy = false;
if (!outputDatas.isEmpty()) {
outputDatas.clear();
}
getCmd();
isReady = false;
} else {
final BluetoothGattCharacteristic characteristic = gattCharacteristics.get(3);
// LogUtil.e("准备请求uuid：" + characteristic.getUuid());
bluetoothGatt.readCharacteristic(characteristic);
}
} else {
// No button pressed yet
new Thread() {
@Override
public void run() {
try {
Thread.sleep(100);
} catch (InterruptedException e) {
e.printStackTrace();
} finally {
final BluetoothGattCharacteristic characteristic = gattCharacteristics.get(0);
// LogUtil.e("准备请求uuid：" + characteristic.getUuid());
bluetoothGatt.readCharacteristic(characteristic);
}
}
}.start();
}
} else {
// 一般cmd,ff跟81都是忙碌;00 is ready;81 is button presses;
if (data[data.length - 1] == (byte) 0xFF || data[data.length - 1] == (byte) 0x81) {
new Thread() {
@Override
public void run() {
try {
Thread.sleep(100);
} catch (InterruptedException e) {
e.printStackTrace();
} finally {
final BluetoothGattCharacteristic characteristic = gattCharacteristics.get(0);
// LogUtil.e("准备请求uuid：" + characteristic.getUuid());
bluetoothGatt.readCharacteristic(characteristic);
}
}
}.start();
} else {
if (isReady) {
isBusy = false;
if (!outputDatas.isEmpty()) {
outputDatas.clear();
}
getCmd();
isReady = false;
} else {
final BluetoothGattCharacteristic characteristic = gattCharacteristics.get(3);
// LogUtil.e("准备请求uuid：" + characteristic.getUuid());
bluetoothGatt.readCharacteristic(characteristic);
}
}
}
}
}
@Override
public void onServicesDiscovered(BluetoothGatt gatt, int status) {
List<BluetoothGattService> services = gatt.getServices();
Log.i("onServicesDiscovered", services.toString());
gatt.readCharacteristic(services.get(1).getCharacteristics().get(0));
}
public synchronized void read(UUID uuid) {
if (bluetoothGattService != null) {
BluetoothGattCharacteristic characteristic = bluetoothGattService.getCharacteristic(uuid);
bluetoothGatt.readCharacteristic(characteristic);
}
}