move things around

firmware/doc/Makefile

@@ -0,0 +1,20 @@
+# Minimal makefile for Sphinx documentation
+#
+
+# You can set these variables from the command line, and also
+# from the environment for the first two.
+SPHINXOPTS    ?=
+SPHINXBUILD   ?= sphinx-build
+SOURCEDIR     = .
+BUILDDIR      = _build_sphinx
+
+# Put it first so that "make" without argument is like "make help".
+help:
+	@$(SPHINXBUILD) -M help "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
+
+.PHONY: help Makefile
+
+# Catch-all target: route all unknown targets to Sphinx using the new
+# "make mode" option.  $(O) is meant as a shortcut for $(SPHINXOPTS).
+%: Makefile
+	@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)

firmware/doc/_doxygen/groups.dox

@@ -0,0 +1,17 @@
+/**
+ * @defgroup drivers Custom driver classes
+ * @{
+ *
+ * @brief Custom driver classes
+ *
+ * @}
+ */
+
+/**
+ * @defgroup lib Custom libraries
+ * @{
+ *
+ * @brief Custom libraries
+ *
+ * @}
+ */

firmware/doc/_doxygen/main.md

@@ -0,0 +1,5 @@
+# Introduction
+
+This is the Doxygen documentation for [example-application].
+
+[example-application]: https://github.com/zephyrproject-rtos/example-application

firmware/doc/conf.py

@@ -0,0 +1,40 @@
+# Configuration file for the Sphinx documentation builder.
+#
+# For the full list of built-in configuration values, see the documentation:
+# https://www.sphinx-doc.org/en/master/usage/configuration.html
+
+# -- Project information -----------------------------------------------------
+# https://www.sphinx-doc.org/en/master/usage/configuration.html#project-information
+
+project = 'Example Application'
+copyright = '2024, The Zephyr Community'
+author = 'The Zephyr Community'
+release = '1.0.0'
+
+# -- General configuration ---------------------------------------------------
+# https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
+
+extensions = ['sphinx.ext.intersphinx', 'breathe']
+
+templates_path = ['_templates']
+exclude_patterns = ['_build_sphinx', 'Thumbs.db', '.DS_Store']
+
+# -- Options for HTML output -------------------------------------------------
+# https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-html-output
+
+html_theme = 'alabaster'
+
+# -- Options for Intersphinx -------------------------------------------------
+# https://www.sphinx-doc.org/en/master/usage/extensions/intersphinx.html
+
+intersphinx_mapping = {'zephyr': ('https://docs.zephyrproject.org/latest/', None)}
+
+## -- Options for Breathe ----------------------------------------------------
+# https://breathe.readthedocs.io/en/latest/index.html
+#
+# WARNING: please, check breathe maintainership status before using this
+# extension in production!
+
+breathe_projects = {'example-application': '_build_doxygen/xml'}
+breathe_default_project = 'example-application'
+breathe_default_members = ('members', )

firmware/doc/drivers/blink.rst

@@ -0,0 +1,14 @@
+Blink
+=====
+
+.. doxygengroup:: drivers_blink
+
+Driver operations
+-----------------
+
+.. doxygengroup:: drivers_blink_ops
+
+Public API
+----------
+
+.. doxygengroup:: drivers_blink_api

firmware/doc/drivers/index.rst

@@ -0,0 +1,9 @@
+Drivers
+=======
+
+.. doxygengroup:: drivers
+
+.. toctree::
+    :maxdepth: 1
+
+    blink

firmware/doc/index.rst

@@ -0,0 +1,18 @@
+Welcome to Example Application's documentation!
+===============================================
+
+This is a simple Sphinx documentation setup for ``example-application``.
+
+.. toctree::
+   :maxdepth: 2
+   :caption: Contents
+
+   drivers/index
+   lib/index
+   zephyr
+
+Indices and tables
+==================
+
+* :ref:`genindex`
+* :ref:`search`

firmware/doc/lib/custom.rst

@@ -0,0 +1,11 @@
+Custom
+======
+
+.. doxygengroup:: lib_custom
+    :desc-only:
+
+Public API
+----------
+
+.. doxygengroup:: lib_custom
+    :content-only:

firmware/doc/lib/index.rst

@@ -0,0 +1,9 @@
+Libraries
+=========
+
+.. doxygengroup:: lib
+
+.. toctree::
+    :maxdepth: 1
+
+    custom

firmware/doc/make.bat

@@ -0,0 +1,35 @@
+@ECHO OFF
+
+pushd %~dp0
+
+REM Command file for Sphinx documentation
+
+if "%SPHINXBUILD%" == "" (
+	set SPHINXBUILD=sphinx-build
+)
+set SOURCEDIR=.
+set BUILDDIR=_build_sphinx
+
+%SPHINXBUILD% >NUL 2>NUL
+if errorlevel 9009 (
+	echo.
+	echo.The 'sphinx-build' command was not found. Make sure you have Sphinx
+	echo.installed, then set the SPHINXBUILD environment variable to point
+	echo.to the full path of the 'sphinx-build' executable. Alternatively you
+	echo.may add the Sphinx directory to PATH.
+	echo.
+	echo.If you don't have Sphinx installed, grab it from
+	echo.https://www.sphinx-doc.org/
+	exit /b 1
+)
+
+if "%1" == "" goto help
+
+%SPHINXBUILD% -M %1 %SOURCEDIR% %BUILDDIR% %SPHINXOPTS% %O%
+goto end
+
+:help
+%SPHINXBUILD% -M help %SOURCEDIR% %BUILDDIR% %SPHINXOPTS% %O%
+
+:end
+popd

firmware/doc/requirements.txt

@@ -0,0 +1,2 @@
+Sphinx
+breathe

firmware/doc/zephyr.rst

@@ -0,0 +1,5 @@
+Zephyr
+======
+
+You can reference Zephyr documentation items, like
+:external+zephyr:ref:`getting_started` or :external+zephyr:c:func:`k_sleep`.