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apex/23-Nov-2023-184172

audio_a2dp_hw/23-Nov-2023-2,3651,684

audio_bluetooth_hw/23-Nov-2023-2,4771,917

audio_hal_interface/23-Nov-2023-4,6313,804

audio_hearing_aid_hw/23-Nov-2023-2,3001,653

binder/23-Nov-2023-2,8061,366

bta/23-Nov-2023-64,22738,095

btcore/23-Nov-2023-1,6811,013

btif/23-Nov-2023-45,39830,512

build/23-Nov-2023-1,4751,186

common/23-Nov-2023-8,6206,019

conf/23-Nov-2023-18248

device/23-Nov-2023-2,0931,446

doc/23-Nov-2023-832650

embdrv/23-Nov-2023-12,0077,243

gd/23-Nov-2023-135,42899,384

hci/23-Nov-2023-6,5824,418

include/23-Nov-2023-5,9593,226

internal_include/23-Nov-2023-2,1531,364

linux_include/log/23-Nov-2023-3410

main/23-Nov-2023-14,5939,690

osi/23-Nov-2023-10,4276,347

packet/23-Nov-2023-9,6765,846

profile/23-Nov-2023-6,5854,676

service/23-Nov-2023-28,93418,563

stack/23-Nov-2023-164,75699,901

test/23-Nov-2023-25,44618,362

tools/23-Nov-2023-2,4151,770

types/23-Nov-2023-1,392883

udrv/23-Nov-2023-945555

utils/23-Nov-2023-260150

vendor_libs/23-Nov-2023-17,31512,156

vnd/23-Nov-2023-7716

.clang-formatD23-Nov-2023808 2522

.gitignoreD23-Nov-202352 76

.style.yapfD23-Nov-2023115 65

Android.bpD23-Nov-20231.6 KiB6965

AndroidTestTemplate.xmlD23-Nov-20231.7 KiB3722

BUILD.gnD23-Nov-20235.2 KiB232194

Cargo.tomlD23-Nov-2023730 2522

CleanSpec.mkD23-Nov-20232.4 KiB542

EventLogTags.logtagsD23-Nov-20231.3 KiB3937

METADATAD23-Nov-202339 43

MODULE_LICENSE_APACHE2D23-Nov-20230

NOTICED23-Nov-202311.1 KiB203169

OWNERSD23-Nov-2023231 1412

PREUPLOAD.cfgD23-Nov-2023304 1410

README.mdD23-Nov-20233.9 KiB12393

TEST_MAPPINGD23-Nov-20231.1 KiB7069

build.pyD23-Nov-202315.1 KiB459340

rustfmt.tomlD23-Nov-202339 21

README.md

1# Fluoride Bluetooth stack
2
3## Building and running on AOSP
4Just build AOSP - Fluoride is there by default.
5
6## Building and running on Linux
7
8Instructions for a Debian based distribution:
9* Debian Bullseye or newer
10* Ubuntu 20.10 or newer
11* Clang-11 or Clang-12
12* Flex 2.6.x
13* Bison 3.x.x (tested with 3.0.x, 3.2.x and 3.7.x)
14
15You'll want to download some pre-requisite packages as well. If you're currently
16configured for AOSP development, you should have all required packages.
17Otherwise, you can use the following apt-get list:
18
19```sh
20sudo apt-get install repo git-core gnupg flex bison gperf build-essential \
21  zip curl zlib1g-dev gcc-multilib g++-multilib \
22  x11proto-core-dev libx11-dev lib32z-dev libncurses5 \
23  libgl1-mesa-dev libxml2-utils xsltproc unzip liblz4-tool libssl-dev \
24  libc++-dev libevent-dev \
25  flatbuffers-compiler libflatbuffers1 \
26  openssl openssl-dev
27```
28
29You will also need a recent-ish version of Rust and Cargo. Please follow the
30instructions on [Rustup](https://rustup.rs/) to install a recent version.
31
32### Download source
33
34```sh
35mkdir ~/fluoride
36cd ~/fluoride
37git clone https://android.googlesource.com/platform/system/bt
38```
39
40Install dependencies (require sudo access). This adds some Ubuntu dependencies
41and also installs GN (which is the build tool we're using).
42
43```sh
44cd ~/fluoride/bt
45build/install_deps.sh
46```
47
48The following third-party dependencies are necessary but currently unavailable
49via a package manager. You may have to build these from source and install them
50to your local environment.
51
52* libchrome
53* modp_b64
54
55We provide a script to produce debian packages for those components, please
56follow the instructions in build/dpkg/README.txt.
57
58The googletest packages provided by Debian/Ubuntu (libgmock-dev and
59libgtest-dev) do not provide pkg-config files, so you can build your own
60googletest using the steps below:
61
62```
63$ git clone https://github.com/google/googletest.git -b release-1.10.0
64$ cd googletest        # Main directory of the cloned repository.
65$ mkdir build          # Create a directory to hold the build output.
66$ cd build
67$ cmake ..             # Generate native build scripts for GoogleTest.
68$ sudo make install -DCMAKE_INSTALL_PREFIX=/usr
69```
70
71### Stage your build environment
72
73For host build, we depend on a few other repositories:
74* [Platform2](https://chromium.googlesource.com/chromiumos/platform2/)
75* [Rust crates](https://chromium.googlesource.com/chromiumos/third_party/rust_crates/)
76* [Proto logging](https://android.googlesource.com/platform/frameworks/proto_logging/)
77
78Clone these all somewhere and create your staging environment.
79```sh
80export STAGING_DIR=path/to/your/staging/dir
81mkdir ${STAGING_DIR}
82mkdir -p ${STAGING_DIR}/external
83ln -s $(readlink -f ${PLATFORM2_DIR}/common-mk) ${STAGING_DIR}/common-mk
84ln -s $(readlink -f ${PLATFORM2_DIR}/.gn) ${STAGING_DIR}/.gn
85ln -s $(readlink -f ${RUST_CRATE_DIR}) ${STAGING_DIR}/external/rust
86ln -s $(readlink -f ${PROTO_LOG_DIR}) ${STAGING_DIR}/external/proto_logging
87```
88
89### Build
90
91We provide a build script to automate building assuming you've staged your build
92environment already as above.
93
94
95```sh
96./build.py --output ${OUTPUT_DIR} --platform-dir ${STAGING_DIR} --clang
97```
98
99This will build all targets to the output directory you've given. You can also
100build each stage separately (if you want to iterate on something specific):
101
102* prepare - Generate the GN rules
103* tools - Generate host tools
104* rust - Build the rust portion of the build
105* main - Build all the C/C++ code
106* test - Build all targets and run the tests
107* clean - Clean the output directory
108
109You can choose to run only a specific stage by passing an arg via `--target`.
110
111Currently, Rust builds are a separate stage that uses Cargo to build. See
112[gd/rust/README.md](gd/rust/README.md) for more information.
113
114### Run
115
116By default on Linux, we statically link libbluetooth so you can just run the
117binary directly:
118
119```sh
120cd ~/fluoride/bt/out/Default
121./bluetoothtbd -create-ipc-socket=fluoride
122```
123