From 989eb4b774d941a0b6192917e76bd422bae968d2 Mon Sep 17 00:00:00 2001 From: Romain Forlot Date: Tue, 4 Jul 2017 19:00:40 +0200 Subject: Update doc & use gitbook to enhance doc generation Change-Id: If42c916f7664ea67b818a21b8f50c66c41e11f89 Signed-off-by: Romain Forlot --- docs/dev_guide/0_Abstract.md | 21 ++++++ docs/dev_guide/1_Quickstart.md | 71 +++++++++++++++++++ docs/dev_guide/2_project_architecture.md | 98 ++++++++++++++++++++++++++ docs/dev_guide/3_advanced_usage.md | 92 ++++++++++++++++++++++++ docs/dev_guide/4_advanced_customization.md | 37 ++++++++++ docs/dev_guide/5_autobuild.md | 41 +++++++++++ docs/dev_guide/pictures/iotbzh_logo_small.png | Bin 0 -> 6989 bytes 7 files changed, 360 insertions(+) create mode 100644 docs/dev_guide/0_Abstract.md create mode 100644 docs/dev_guide/1_Quickstart.md create mode 100644 docs/dev_guide/2_project_architecture.md create mode 100644 docs/dev_guide/3_advanced_usage.md create mode 100644 docs/dev_guide/4_advanced_customization.md create mode 100644 docs/dev_guide/5_autobuild.md create mode 100644 docs/dev_guide/pictures/iotbzh_logo_small.png (limited to 'docs/dev_guide') diff --git a/docs/dev_guide/0_Abstract.md b/docs/dev_guide/0_Abstract.md new file mode 100644 index 0000000..a04cc87 --- /dev/null +++ b/docs/dev_guide/0_Abstract.md @@ -0,0 +1,21 @@ +# Developper Guide: use AGL CMake Templates + +## Abstract + +Files used to build an application, or binding, project with the +AGL Application Framework. + +To build your AGL project using these templates, you have to install +them within your project and adjust compilation option in `config.cmake`. +For technical reasons, you also have to specify **cmake** target in +sub CMakeLists.txt installed. Make a globbing search to find source files +isn't recommended now to handle project build especially in a multiuser +project because CMake will not be aware of new or removed source files. + +You'll find usage samples here: + +- [helloworld-service](https://github.com/iotbzh/helloworld-service) +- [low-level-can-service](https://gerrit.automotivelinux.org/gerrit/apps/low-level-can-service) +- [high-level-viwi-service](https://github.com/iotbzh/high-level-viwi-service) +- [audio-binding](https://github.com/iotbzh/audio-binding) +- [unicens2-binding](https://github.com/iotbzh/unicens2-binding) diff --git a/docs/dev_guide/1_Quickstart.md b/docs/dev_guide/1_Quickstart.md new file mode 100644 index 0000000..fe11970 --- /dev/null +++ b/docs/dev_guide/1_Quickstart.md @@ -0,0 +1,71 @@ + +# Quickstart + +## Initialization + +To use these templates files on your project just install the reference files using +**git submodule** then use `config.cmake` file to configure your project specificities : + +```bash +git submodule add https://gerrit.automotivelinux.org/gerrit/apps/app-templatesconf.d/app-templates conf.d/app-templates +mkdir conf.d/cmake +cp conf.d/app-templates/cmake/config.cmake.sample conf.d/cmake/config.cmake +``` + +Edit the copied config.cmake file to fit your needs. + +Now, create your top CMakeLists.txt file which include `config.cmake` file. + +An example is available in **app-templates** submodule that you can copy and +use: + +```bash +cp conf.d/app-templates/cmake/CMakeLists.txt CMakeLists.txt +``` + +## Create your CMake targets + +For each target part of your project, you need to use ***PROJECT_TARGET_ADD*** +to include this target to your project. + +Using it, make available the cmake variable ***TARGET_NAME*** until the next +***PROJECT_TARGET_ADD*** is invoked with a new target name. + +So, typical usage defining a target is: + +```cmake +PROJECT_TARGET_ADD(SuperExampleName) --> Adding target to your project + +add_executable/add_library(${TARGET_NAME}.... --> defining your target sources + +SET_TARGET_PROPERTIES(${TARGET_NAME} PROPERTIES.... --> fit target properties +for macros usage + +INSTALL(TARGETS ${TARGET_NAME}.... +``` + +## Targets PROPERTIES + +You should set properties on your targets that will be used to package your +apps in a widget file that could be installed on an AGL system. + +Specify what is the type of your targets that you want to be included in the +widget package with the property **LABELS**: + +Choose between: + +- **BINDING**: Shared library that be loaded by the AGL Application Framework +- **HTDOCS**: Root directory of a web app +- **DATA**: Resources used by your application +- **EXECUTABLE**: Entry point of your application executed by the AGL + Application Framework + +```cmake +SET_TARGET_PROPERTIES(${TARGET_NAME} + PREFIX "afb-" + LABELS "BINDING" + OUTPUT_NAME "file_output_name") +``` + +> **TIP** you should use the prefix _afb-_ with your **BINDING* targets which +> stand for **Application Framework Binding**. diff --git a/docs/dev_guide/2_project_architecture.md b/docs/dev_guide/2_project_architecture.md new file mode 100644 index 0000000..0cae607 --- /dev/null +++ b/docs/dev_guide/2_project_architecture.md @@ -0,0 +1,98 @@ +# Project architecture + +A typical project architecture would be : + +```tree + +│ +├── conf.d/ +│ ├── autobuild/ +│ │ ├── agl +│ │ │ └── autobuild +│ │ ├── linux +│ │ │ └── autobuild +│ │ └── windows +│ │ └── autobuild +│ ├── app-templates/ +│ │ ├── README.md +│ │ ├── autobuild/ +│ │ │ ├── agl +│ │ │ │ └── autobuild.in +│ │ │ ├── linux +│ │ │ │ └── autobuild.in +│ │ │ └── windows +│ │ │ └── autobuild.in +│ │ ├── cmake/ +│ │ │ ├── config.cmake.sample +│ │ │ ├── export.map +│ │ │ └── macros.cmake +│ │ ├── deb/ +│ │ │ └── config.deb.in +│ │ ├── rpm/ +│ │ │ └── config.spec.in +│ │ └── wgt/ +│ │ ├── config.xml.in +│ │ ├── config.xml.in.sample +│ │ ├── icon-default.png +│ │ ├── icon-html5.png +│ │ ├── icon-native.png +│ │ ├── icon-qml.png +│ │ └── icon-service.png +│ ├── packaging/ +│ │ ├── config.spec +│ │ └── config.deb +│ ├── cmake +│ │ └── config.cmake +│ └── wgt +│ └── config.xml.in +├── +├── +│ └── +├── +│ └── +└── + └── +``` + +| # | Parent | Description | +| - | -------| ----------- | +| \ | - | Path to your project. Hold master CMakeLists.txt and general files of your projects. | +| conf.d | \ | Holds needed files to build, install, debug, package an AGL app project | +| app-templates | conf.d | Git submodule to app-templates AGL repository which provides CMake helpers macros library, and build scripts. config.cmake is a copy of config.cmake.sample configured for the projects. SHOULD NOT BE MODIFIED MANUALLY !| +| autobuild | conf.d | Scripts generated from app-templates to build packages the same way for differents platforms.| +| cmake | conf.d | Contains at least config.cmake file modified from the sample provided in app-templates submodule. | +| wgt | conf.d | Contains at least config.xml.in template file modified from the sample provided in app-templates submodule for the needs of project (See config.xml.in.sample file for more details). | +| packaging | conf.d | Contains output files used to build packages. | +| \ | \ | External dependencies libraries. This isn't to be used to include header file but build and link statically specifics libraries. | Library sources files. Can be a decompressed library archive file or project fork. | +| \ | \ | A target to build, typically library, executable, etc. | + +## Manage app-templates submodule + +### Update + +You may have some news bug fixes or features available from app-templates +repository that you want. To update your submodule proceed like the following: + +```bash +git submodule update --remote +git commit -s conf.d/app-templates +``` + +This will update the submodule to the HEAD of master branch repository. Save +the modification by commiting it in your master git project. + +### Checkout submodule to a git tag + +You could just want to update at a specified repository tag or branch or commit +, here are the method to do so: + +```bash +cd conf.d/app-templates +# Choose one of the following depending what you want +git checkout +git checkout --detach +git checkout --detach +# Then commit +cd ../.. +git commit -s conf.d/app-templates +``` diff --git a/docs/dev_guide/3_advanced_usage.md b/docs/dev_guide/3_advanced_usage.md new file mode 100644 index 0000000..8994b41 --- /dev/null +++ b/docs/dev_guide/3_advanced_usage.md @@ -0,0 +1,92 @@ +# Build a widget + +## config.xml.in file + +To build a widget you need a _config.xml_ file describing what is your apps and +how Application Framework would launch it. This repo provide a simple default +file _config.xml.in_ that should work for simple application without +interactions with others bindings. + +It is recommanded that you use the sample one which is more complete. You can +find it at the same location under the name _config.xml.in.sample_ (stunning +isn't it). Just copy the sample file to your _conf.d/wgt_ directory and name it +_config.xml.in_, then edit it to fit your needs. + +> ***CAUTION*** : The default file is only meant to be use for a +> simple widget app, more complicated ones which needed to export +> their api, or ship several app in one widget need to use the provided +> _config.xml.in.sample_ which had all new Application Framework +> features explained and examples. + +## Using cmake template macros + +To leverage all cmake templates features, you have to specify ***properties*** +on your targets. Some macros will not works without specifying which is the +target type. + +As the type is not always specified for some custom targets, like an ***HTML5*** +application, macros make the difference using ***LABELS*** property. + +Choose between: + +- **BINDING**: Shared library that be loaded by the AGL Application Framework +- **HTDOCS**: Root directory of a web app +- **DATA**: Resources used by your application +- **EXECUTABLE**: Entry point of your application executed by the AGL + Application Framework + +Example: + +```cmake +SET_TARGET_PROPERTIES(${TARGET_NAME} PROPERTIES + LABELS "HTDOCS" + OUTPUT_NAME dist.prod + ) +``` + +If your target output is not named as the ***TARGET_NAME***, you need to specify +***OUTPUT_NAME*** property that will be used by the ***populate_widget*** macro. + +Use the ***populate_widget*** macro as latest statement of your target +definition. Then at the end of your project definition you should use the macro +***build_widget*** that make an archive from the populated widget tree using the +`wgtpkg-pack` Application Framework tools. + +## Macro reference + +### PROJECT_TARGET_ADD + +Typical usage would be to add the target to your project using macro +`PROJECT_TARGET_ADD` with the name of your target as parameter. + +Example: + +```cmake +PROJECT_TARGET_ADD(low-can-demo) +``` + +> ***NOTE***: This will make available the variable `${TARGET_NAME}` +> set with the specificied name. This variable will change at the next call +> to this macros. + +### project_subdirs_add + +This macro will search in all subfolder any `CMakeLists.txt` file. If found then +it will be added to your project. This could be use in an hybrid application by +example where the binding lay in a sub directory. + +Usage : + +```cmake +project_subdirs_add() +``` + +You also can specify a globbing pattern as argument to filter which folders +will be looked for. + +To filter all directories that begin with a number followed by a dash the +anything: + +```cmake +project_subdirs_add("[0-9]-*") +``` diff --git a/docs/dev_guide/4_advanced_customization.md b/docs/dev_guide/4_advanced_customization.md new file mode 100644 index 0000000..796232f --- /dev/null +++ b/docs/dev_guide/4_advanced_customization.md @@ -0,0 +1,37 @@ +# Advanced customization + +## Including additionnals cmake files + +Advanced tuning is possible using addionnals cmake files that are included +automatically from some specifics locations. They are included in that order: + +- Project CMake files normaly located in _/conf.d/app-templates/cmake/cmake.d_ +- Home CMake files located in _$HOME/.config/app-templates/cmake.d_ +- System CMake files located in _/etc/app-templates/cmake.d_ + +CMake files has to be named using the following convention: `XX-***.cmake`, +where `XX` are numbers, `***` file name (ie. `99-my_customs.cmake`). + +So, saying that you should be aware that every normal cmake variables used at +project level could be overwrited by home or system located cmake files if +variables got the same name. Exceptions are cached variables set using +**CACHE** keyword: + +Example: + +```cmake +set(VARIABLE_NAME 'value string random' CACHE STRING 'docstring') +``` + +## Include customs templated scripts + +As well as for additionnals cmake files you can include your own templated +scripts that will be passed to cmake command `configure_file`. + +Just create your own script to the following directories: + +- Home location in _$HOME/.config/app-templates/scripts_ +- System location in _/etc/app-templates/scripts_ + +Scripts only needs to use the extension `.in` to be parsed and configured by +CMake command. diff --git a/docs/dev_guide/5_autobuild.md b/docs/dev_guide/5_autobuild.md new file mode 100644 index 0000000..fe1c63d --- /dev/null +++ b/docs/dev_guide/5_autobuild.md @@ -0,0 +1,41 @@ +# Autobuild script usage + +## Generation + +To be integrated in the Yocto build workflow you have to generate `autobuild` +scripts using _autobuild_ target. + +To generate those scripts proceeds: + +```bash +mkdir -p build +cd build +cmake .. && make autobuild +``` + +You should see _conf.d/autobuild/agl/autobuild_ file now. + +## Available targets + +Here are the available targets available from _autobuild_ scripts: + +- **clean** : clean build directory from object file and targets results. +- **distclean** : delete build directory +- **configure** : generate project Makefile from CMakeLists.txt files. +- **build** : compile all project targets. +- **package** : build and output a wgt package. + +You can specify variables that modify the behavior of compilation using +the following variables: + +- **CONFIGURE_ARGS** : Variable used at **configure** time. +- **BUILD_ARGS** : Variable used at **build** time. +- **DEST** : Directory where to output ***wgt*** file. + +Variable as to be in CMake format. (ie: BUILD_ARGS="-DC_FLAGS='-g -O2'") + +Usage example: + +```bash +./conf.d/autobuild/wgt/autobuild package DEST=/tmp +``` diff --git a/docs/dev_guide/pictures/iotbzh_logo_small.png b/docs/dev_guide/pictures/iotbzh_logo_small.png new file mode 100644 index 0000000..6a98c60 Binary files /dev/null and b/docs/dev_guide/pictures/iotbzh_logo_small.png differ -- cgit 1.2.3-korg