# bluetoothd

bluetoothd wraps Android's Bluedroid driver behind a networking
protocol. Bluetoothd is licensed under the Apache License 2.0. See
the file LICENSE for more information.


## Supported Versions

bluetoothd supports Android with API version 17 or later.


## Protocol

For IPC, bluetoothd uses the BlueZ HAL protocol, as defined at

  https://git.kernel.org/cgit/bluetooth/bluez.git/tree/android/hal-ipc-api.txt

The protocol is supposed to be stable for each Android release. Currently,
bluetoothd supports the following versions

 * Android API versions 17 and 18

  https://git.kernel.org/cgit/bluetooth/bluez.git/tree/android/hal-ipc-api.txt?id=5.14

 * Android API versions 19 and 20

  https://git.kernel.org/cgit/bluetooth/bluez.git/tree/android/hal-ipc-api.txt?id=5.24

 * Android API version 21

  https://git.kernel.org/cgit/bluetooth/bluez.git/tree/android/hal-ipc-api.txt?id=5.27

 * Android API version 22

  https://git.kernel.org/cgit/bluetooth/bluez.git/tree/android/hal-ipc-api.txt?id=5.30