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gattlib
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Select gattlib backend (bluez code or DBus API) following Bluez version

pull/21/head
Olivier Martin 2017-03-17 11:08:24 +01:00
parent c702d74b23
commit a40b8f9724
4 changed files with 36 additions and 18 deletions
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25
CMakeLists.txt
View File

@ -27,8 +27,6 @@ include(CrossCompilation.cmake)
project(gattlib)
set(GATTLIB_DBUS TRUE CACHE BOOLEAN "Build gattlib with D-Bus support")
find_package(PkgConfig REQUIRED)
# Show all the warnings
@ -36,6 +34,29 @@ set(CMAKE_C_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
# Expose 'gattlib.h' to all sub-directories
include_directories(include)
# Check version of Bluez to know which backend we use (ie: Bluez code or DBus)
pkg_search_module(BLUEZ REQUIRED bluez)
# Extract Bluez version
string(REPLACE "." ";" BLUEZ_VERSIONS "${BLUEZ_VERSION}")
list(GET BLUEZ_VERSIONS 0 BLUEZ_VERSION_MAJOR)
list(GET BLUEZ_VERSIONS 1 BLUEZ_VERSION_MINOR)
add_definitions(-DBLUEZ_VERSION_MAJOR=${BLUEZ_VERSION_MAJOR} -DBLUEZ_VERSION_MINOR=${BLUEZ_VERSION_MINOR})
set(GATTLIB_FORCE_DBUS FALSE CACHE BOOLEAN "Build gattlib with D-Bus support on Bluez version < v5.42")
if (BLUEZ_VERSION_MAJOR LESS 5)
set(GATTLIB_DBUS FALSE)
elseif (BLUEZ_VERSION_MINOR LESS 42)
if (GATTLIB_FORCE_DBUS)
set(GATTLIB_DBUS TRUE)
else()
set(GATTLIB_DBUS FALSE)
endif()
else()
set(GATTLIB_DBUS TRUE)
endif()
if (GATTLIB_DBUS)
# Build dbus-based gattlib
add_subdirectory(dbus)

12
README.md
View File

@ -1,9 +1,15 @@
GattLib is a library used to access Generic Attribute Profile (GATT) protocol of BLE (Bluetooth Low Energy) devices.
It is based on Bluez 4.101 and Bluez 5.43 GATT code. Some changes has been made to support additional features and former versions of Bluez.
It has been introduced to allow to build applications that could easily communicate with BLE devices.
It supports Bluez v4 and v5. On Bluez versions prior to v5.42, gattlib used Bluez source code while it uses D-Bus API
from v5.42. D-Bus API can be used on version prior to Bluez v5.42 by using the CMake flag `-DGATTLIB_FORCE_DBUS=TRUE`:
```
mkdir build && cd build
cmake -DGATTLIB_FORCE_DBUS=TRUE ..
make
```
Latest GattLib Release packages
===============================

8
bluez/CMakeLists.txt
View File

@ -23,6 +23,8 @@ cmake_minimum_required(VERSION 2.6)
find_package(PkgConfig REQUIRED)
message("Build gattlib for Bluez v${BLUEZ_VERSION_MAJOR}.${BLUEZ_VERSION_MINOR}")
set(bluez4_DIR bluez4)
set(bluez5_DIR bluez5)
@ -82,15 +84,9 @@ include_directories(${GLIB_INCLUDE_DIRS})
list(APPEND gattlib_LIBS ${GLIB_LIBRARIES})
# Added Bluetooth support
pkg_search_module(BLUEZ REQUIRED bluez)
include_directories(${BLUEZ_INCLUDE_DIRS})
link_directories(${BLUEZ_LIBRARY_DIRS})
list(APPEND gattlib_LIBS ${BLUEZ_LIBRARIES})
# Extract Bluez version
string(REPLACE "." ";" BLUEZ_VERSIONS "${BLUEZ_VERSION}")
list(GET BLUEZ_VERSIONS 0 BLUEZ_VERSION_MAJOR)
list(GET BLUEZ_VERSIONS 1 BLUEZ_VERSION_MINOR)
add_definitions(-DBLUEZ_VERSION_MAJOR=${BLUEZ_VERSION_MAJOR} -DBLUEZ_VERSION_MINOR=${BLUEZ_VERSION_MINOR})
include_directories(.)
if(BLUEZ_VERSION_MAJOR STREQUAL "4")

9
dbus/CMakeLists.txt
View File

@ -32,6 +32,8 @@ pkg_search_module(GIO_UNIX REQUIRED gio-unix-2.0)
# Needed by 'bluez5/lib/uuid.c'
pkg_search_module(BLUEZ REQUIRED bluez)
message("Build DBus gattlib for Bluez v${BLUEZ_VERSION_MAJOR}.${BLUEZ_VERSION_MINOR}")
add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/org-bluez-adaptater1.c
COMMAND gdbus-codegen --interface-prefix org.bluez.Adapter1. --generate-c-code ${CMAKE_CURRENT_BINARY_DIR}/org-bluez-adaptater1 ${CMAKE_CURRENT_SOURCE_DIR}/interfaces/org.bluez.Adapter1.xml
DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/interfaces/org.bluez.Adapter1.xml
@ -62,13 +64,6 @@ add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/org-bluez-gattdescriptor1.
COMMENT "Generate D-Bus 'org.bluez.GattDescriptor1.xml'"
)
# Extract Bluez version
string(REPLACE "." ";" BLUEZ_VERSIONS "${BLUEZ_VERSION}")
list(GET BLUEZ_VERSIONS 0 BLUEZ_VERSION_MAJOR)
list(GET BLUEZ_VERSIONS 1 BLUEZ_VERSION_MINOR)
add_definitions(-DBLUEZ_VERSION_MAJOR=${BLUEZ_VERSION_MAJOR} -DBLUEZ_VERSION_MINOR=${BLUEZ_VERSION_MINOR})
message("Build gattlib for Bluez v${BLUEZ_VERSION_MAJOR}.${BLUEZ_VERSION_MINOR}")
include_directories(. ${CMAKE_CURRENT_BINARY_DIR} ${GIO_UNIX_INCLUDE_DIRS} ${BLUEZ_INCLUDE_DIRS})
set(gattlib_SRCS gattlib.c