Merge "Add function to change LE Tx Data Length" am: 383a7d432f (08e795ac) · Commits · e / os / android_packages_modules_Bluetooth

framework/java/android/bluetooth/BluetoothSocket.java

+29 −0

Original line number	Diff line number	Diff line
		@@ -676,6 +676,35 @@ public final class BluetoothSocket implements Closeable {
		mExcludeSdp = excludeSdp;
		}

		/**
		* Set the LE Transmit Data Length to be the maximum that the BT Controller is capable of. This
		* parameter is used by the BT Controller to set the maximum transmission packet size on this
		* connection. This function is currently used for testing only.
		* @hide
		*/
		public void requestMaximumTxDataLength() throws IOException {
		if (mDevice == null) {
		throw new IOException("requestMaximumTxDataLength is called on null device");
		}

		try {
		if (mSocketState == SocketState.CLOSED) {
		throw new IOException("socket closed");
		}
		IBluetooth bluetoothProxy =
		BluetoothAdapter.getDefaultAdapter().getBluetoothService(null);
		if (bluetoothProxy == null) {
		throw new IOException("Bluetooth is off");
		}

		if (DBG) Log.d(TAG, "requestMaximumTxDataLength");
		bluetoothProxy.getSocketManager().requestMaximumTxDataLength(mDevice);
		} catch (RemoteException e) {
		Log.e(TAG, Log.getStackTraceString(new Throwable()));
		throw new IOException("unable to send RPC: " + e.getMessage());
		}
		}

		private String convertAddr(final byte[] addr) {
		return String.format(Locale.US, "%02X:%02X:%02X:%02X:%02X:%02X",
		addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);