1## Directory Layout 2 3### General directory layout 4Each directory should be a self contained subsystem consisting 5of one or more modules. 6 7* src/ - All source files for the subsystem. 8* include/ - All include files for the subsystem. 9* test/ - All unit tests for the subsystem. 10 11### Top level directory layout 12* audio_a2dp_hw - A2DP audio HAL implementation. 13* bta - *Bluetooth Application* - Strange collection of a-lot of things **Deprecate?** 14* btcore - *Bluetooth Core* - Bluetooth data type definitions and operations on those data types. 15* btif - *Bluetooth Interface* - Bluedroid JNI interface to Android. 16* conf - *Configuration* - Various configuration text files. 17* doc - *Documentation* - Stack documentation. 18* embdrv - **Deprecated** - Bluetooth SBC Codec. 19* gki - **Deprecated** *General Kernel Interface* - Eliminate - replaced by osi. 20* hci - *Host Controller Interface* - Communication protocol with bluetooth chip. 21* include - **Deprecated** - System global include files. 22* main - *Main stack entrypoint* - Provides HAL for stack access. 23* osi - *Operating System Interface* - General resource support for stack. 24* profiles - *Bluetooth Profiles* - **TBD** Collection of all profiles. 25* stack - **Deprecated** - The Stack - Push to proper spot in *./profiles* 26* test - *Test suite* - Stack level validiation and stress test suite. 27* tools - *Tools* - Various engineering support tools. 28* udrv - **Deprecated** *UIPC implementation* 29* utils - **Deprecated** *Bluetooth utilities* - Eliminate. 30* vnd - *Vendor* - Vendor specific APIs - *to be integrated into rest of stack ?*. 31