Method beginWriteNextChunk

android/src/HM10WriteBuffer.java:44–63

(BluetoothGatt gatt,
                                           BluetoothGattCharacteristic dataCharacteristic)

  private boolean lastChunkWriteError;

  synchronized boolean beginWriteNextChunk(BluetoothGatt gatt,
                                           BluetoothGattCharacteristic dataCharacteristic) {
    if (pendingWriteChunks == null)
      return false;

    dataCharacteristic.setValue(pendingWriteChunks[nextWriteChunkIdx]);
    if (!gatt.writeCharacteristic(dataCharacteristic)) {
      Log.e(TAG, "GATT characteristic write request failed");
      setError();
      return false;
    }

    ++nextWriteChunkIdx;
    if (nextWriteChunkIdx >= pendingWriteChunks.length) {
      /* writing is done */
      clear();
    }

    return true;
  }

  synchronized void clear() {
    pendingWriteChunks = null;