docs: add Doxygen configuration

.gitignore

@@ -1,3 +1,6 @@
+### Doxygen ###
+docs/html/
+
 ### Eclipse ###
 Debug/
 Release/

CMakeLists.txt

@@ -14,6 +14,10 @@ option(ENABLE_COVERAGE      "Enable a Code Coverage build."         OFF)
 
 ### CMAKE MODULES
 set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake/)
+
+# Doxygen module
+include(Docs)
+
 if (ENABLE_COVERAGE)
     include(CodeCoverage)
     append_coverage_compiler_flags()

Makefile

@@ -19,12 +19,23 @@ coverage:
 	cmake --build build --config Debug --target coverage -j4
 	@echo ""
 
-report:
-	@echo "-------------------- Coverage Report ---------------------"
-	lcov --capture --directory build/coverage --output-file coverage.info
-	genhtml coverage.info --output-directory test/
+doxygen: build
+	@echo "-------------------- Build Coverage--------------------------"
+	cmake --build build --config Debug --target docs -j4
 	@echo ""
 
+gtest_report:
+	cd build-artifacts/gtest_report && xsltproc gtest2html.xslt out/*.xml > gtest_report.html
+	# cd report && xsltproc gtest2html.xslt *.xml > gtest_report.html
+	# cd report && xsltproc test.xslt *.xml > gtest_report.html
+	# cd report && xsltproc newgtest2html.xsl *.xml > gtest_report.html
+# Don't work!!!!
+# report:
+# 	@echo "-------------------- Coverage Report ---------------------"
+# 	lcov --capture --directory build/coverage --output-file coverage.info
+# 	genhtml coverage.info --output-directory test/
+# 	@echo ""
+
 dependency:
 	@echo "-------------------- Create Graph Dependecy --------------"
 	cd build && cmake .. --graphviz=graph.dot && dot -Tpng graph.dot -o graph_image.png

cmake/Docs.cmake

@@ -0,0 +1,9 @@
+find_package(Doxygen)
+
+if (DOXYGEN_FOUND)
+   add_custom_target(
+      docs
+      ${DOXYGEN_EXECUTABLE}
+      WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/docs
+   )
+endif()

docs/Doxyfile

@@ -0,0 +1,78 @@
+# Configuration for Doxygen for use with CMake
+# Only options that deviate from the default are included
+# To create a new Doxyfile containing all available options, call `doxygen -g`
+
+#---------------------------------------------------------------------------
+# Project related configuration options
+#---------------------------------------------------------------------------
+DOXYFILE_ENCODING       = UTF-8
+PROJECT_NAME            = "STM32 C code and Google Test Framework"
+PROJECT_NUMBER          = 1.0
+PROJECT_BRIEF           =
+PROJECT_LOGO            =
+OUTPUT_DIRECTORY        = ./
+OUTPUT_LANGUAGE         = English
+MARKDOWN_SUPPORT        = YES
+
+#---------------------------------------------------------------------------
+# Build related configuration options
+#---------------------------------------------------------------------------
+EXTRACT_ALL             = YES
+RECURSIVE               = YES
+GENERATE_HTML           = YES
+GENERATE_LATEX          = NO
+HAVE_DOT                = YES
+
+# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDE_GRAPH, and HAVE_DOT tags are set
+# to YES then doxygen will generate a graph for each documented file showing the direct
+# and indirect include dependencies of the file with other documented files.
+INCLUDE_GRAPH           = YES
+
+# If the GRAPHICAL_HIERARCHY and HAVE_DOT tags are set to YES then doxygen will graphical
+# hierarchy of all classes instead of a textual one.
+GRAPHICAL_HIERARCHY     = YES
+
+# If the CLASS_DIAGRAMS tag is set to YES (the default) doxygen will generate a class 
+# diagram (in HTML and $\mbox{\LaTeX}$) for classes with base or super classes.
+CLASS_DIAGRAMS          = YES
+
+# If the CLASS_GRAPH and HAVE_DOT tags are set to YES then doxygen will generate a graph
+# for each documented class showing the direct and indirect inheritance relations.
+CLASS_GRAPH             = YES
+
+# If the COLLABORATION_GRAPH and HAVE_DOT tags are set to YES then doxygen will generate a
+# graph for each documented class showing the direct and indirect implementation dependencies
+# (inheritance, containment, and class references variables) of the class with other documented classes.
+COLLABORATION_GRAPH     = YES
+
+# If the CALL_GRAPH and HAVE_DOT tags are set to YES then doxygen will generate a call
+# dependency graph for every global function or class method
+CALL_GRAPH              = YES
+UML_LOOK                = YES
+UML_LIMIT_NUM_FIELDS    = 50
+TEMPLATE_RELATIONS      = YES
+DOT_GRAPH_MAX_NODES     = 100
+MAX_DOT_GRAPH_DEPTH     = 0
+DOT_TRANSPARENT         = YES
+HIDE_UNDOC_RELATIONS    = NO
+
+#---------------------------------------------------------------------------
+# Configuration options related to the input files
+#---------------------------------------------------------------------------
+USE_MDFILE_AS_MAINPAGE  = ../README.md
+IMAGE_PATH              = ./images
+INPUT                   = ../README.md \  
+INPUT                   = ../source/nucleo-f446ze-library/Libraries
+INPUT_ENCODING          = UTF-8
+FILE_PATTERNS           = *.c \
+                         *.cc \
+                         *.cpp \
+                         *.c++ \
+                         *.h \
+                         *.hpp \
+                         *.h++ \
+                         *.md \
+                         *.dox \
+                         *.doc \
+                         *.txt
+

source/nucleo-f446ze-library/Libraries/Drivers/Include/gpio.h

@@ -25,14 +25,23 @@ typedef enum
 }GpioState_t;
 
 
+/**
+ * @struct A structure to represent the GPIO pin.
+ */
 typedef struct Gpio
 {
-   bool              init;
-   const GpioPort_t *port;
-   GpioPin_t         pin;
+   bool              init; /**< Flag to inform if the structure has been initialized.*/
+   const GpioPort_t *port; /**< Port number.*/
+   GpioPin_t         pin;  /**< Pin number.*/
 }Gpio_t;
 
-
+/**
+ * @brief Initialize the \ref Gpio_t structure.
+ * 
+ * @param me Pointer to \ref Gpio_t.
+ * @param port Port number.
+ * @param pin Pin number.
+ */
 void GPIO_Initialize(Gpio_t * const me, const GpioPort_t * const port, const GpioPin_t pin);
 void GPIO_TogglePin(const Gpio_t * const me);
 void GPIO_WritePin(const Gpio_t * const me, const GpioState_t state);