Update travis to use doxygen 1.8.19 (#28)

Use newer version of doxygen for better support of markdown files.

.travis.yml

@@ -1,20 +1,23 @@
-sudo: false
+before_install:
+ - cd ${TMPDIR-/tmp}
+ - wget -q http://doxygen.nl/files/doxygen-1.8.19.src.tar.gz
+ - tar -xzvf doxygen-1.8.19.src.tar.gz
+ - mkdir doxygen_build
+ - cd doxygen_build
+ - cmake ../doxygen-1.8.19/
+ - make
+ - export PATH="${TMPDIR-/tmp}/doxygen_build/bin:$PATH"
+ - cd ${TRAVIS_BUILD_DIR}
  
 branches:
   only:
     - master
 
-addons:
-  apt:
-    packages:
-      - doxygen
-
 script:
-  - doxygen Doxyfile
+  - doxygen ./docs/Doxyfile
 
 deploy:
   provider: pages
-  skip_cleanup: true
   local_dir: docs/html
   github_token: $GH_REPO_TOKEN
   on:

docs/Doxyfile

@@ -911,7 +911,9 @@ RECURSIVE              = YES
 # Note that relative paths are relative to the directory from which doxygen is
 # run.
 
-EXCLUDE                = ./README.md
+EXCLUDE                = ./README.md \
+                         ./src/FreeRTOS.h \
+                         ./src/FreeRTOS.cpp
 
 # The EXCLUDE_SYMLINKS tag can be used to select whether or not files or
 # directories that are symbolic links (a Unix file system feature) are excluded
@@ -1108,35 +1110,6 @@ USE_HTAGS              = NO
 
 VERBATIM_HEADERS       = YES
 
-# If the CLANG_ASSISTED_PARSING tag is set to YES then doxygen will use the
-# clang parser (see: http://clang.llvm.org/) for more accurate parsing at the
-# cost of reduced performance. This can be particularly helpful with template
-# rich C++ code for which doxygen's built-in parser lacks the necessary type
-# information.
-# Note: The availability of this option depends on whether or not doxygen was
-# generated with the -Duse_libclang=ON option for CMake.
-# The default value is: NO.
-
-CLANG_ASSISTED_PARSING = NO
-
-# If clang assisted parsing is enabled you can provide the compiler with command
-# line options that you would normally use when invoking the compiler. Note that
-# the include paths will already be set by doxygen for the files and directories
-# specified with INPUT and INCLUDE_PATH.
-# This tag requires that the tag CLANG_ASSISTED_PARSING is set to YES.
-
-CLANG_OPTIONS          =
-
-# If clang assisted parsing is enabled you can provide the clang parser with the
-# path to the compilation database (see:
-# http://clang.llvm.org/docs/HowToSetupToolingForLLVM.html) used when the files
-# were built. This is equivalent to specifying the "-p" option to a clang tool,
-# such as clang-check. These options will then be passed to the parser.
-# Note: The availability of this option depends on whether or not doxygen was
-# generated with the -Duse_libclang=ON option for CMake.
-
-CLANG_DATABASE_PATH    =
-
 #---------------------------------------------------------------------------
 # Configuration options related to the alphabetical class index
 #---------------------------------------------------------------------------