Updated documentation.

doc/Doxyfile

@@ -1,4 +1,4 @@
-# Doxyfile 1.7.4
+# Doxyfile 1.8.1.2
 
 # This file describes the settings to be used by the documentation system
 # doxygen (www.doxygen.org) for a project
@@ -22,8 +22,9 @@
 
 DOXYFILE_ENCODING      = UTF-8
 
-# The PROJECT_NAME tag is a single word (or a sequence of words surrounded 
+# The PROJECT_NAME tag is a single word (or sequence of words) that should 
-# by quotes) that should identify the project.
+# identify the project. Note that if you do not use Doxywizard you need 
+# to put quotes around the project name if it contains spaces.
 
 PROJECT_NAME           = "Arduino MIDI Library"
 
@@ -204,6 +205,13 @@ TAB_SIZE               = 4
 
 ALIASES                = 
 
+# This tag can be used to specify a number of word-keyword mappings (TCL only). 
+# A mapping has the form "name=value". For example adding 
+# "class=itcl::class" will allow you to use the command class in the 
+# itcl::class meaning.
+
+TCL_SUBST              = 
+
 # Set the OPTIMIZE_OUTPUT_FOR_C tag to YES if your project consists of C 
 # sources only. Doxygen will then generate output that is more tailored for C. 
 # For instance, some of the names that are used will be different. The list 
@@ -242,6 +250,15 @@ OPTIMIZE_OUTPUT_VHDL   = NO
 
 EXTENSION_MAPPING      = 
 
+# If MARKDOWN_SUPPORT is enabled (the default) then doxygen pre-processes all 
+# comments according to the Markdown format, which allows for more readable 
+# documentation. See http://daringfireball.net/projects/markdown/ for details. 
+# The output of markdown processing is further processed by doxygen, so you 
+# can mix doxygen, HTML, and XML commands with Markdown formatting. 
+# Disable only in case of backward compatibilities issues.
+
+MARKDOWN_SUPPORT       = YES
+
 # If you use STL classes (i.e. std::string, std::vector, etc.) but do not want 
 # to include (a tag file for) the STL sources as input, then you should 
 # set this tag to YES in order to let doxygen match functions declarations and 
@@ -293,6 +310,15 @@ SUBGROUPING            = YES
 
 INLINE_GROUPED_CLASSES = NO
 
+# When the INLINE_SIMPLE_STRUCTS tag is set to YES, structs, classes, and 
+# unions with only public data fields will be shown inline in the documentation 
+# of the scope in which they are defined (i.e. file, namespace, or group 
+# documentation), provided this scope is documented. If set to NO (the default), 
+# structs, classes, and unions are shown on a separate page (for HTML and Man 
+# pages) or section (for LaTeX and RTF).
+
+INLINE_SIMPLE_STRUCTS  = NO
+
 # When TYPEDEF_HIDES_STRUCT is enabled, a typedef of a struct, union, or enum 
 # is documented as struct, union, or enum with the name of the typedef. So 
 # typedef struct TypeS {} TypeT, will appear in the documentation as a struct 
@@ -315,10 +341,21 @@ TYPEDEF_HIDES_STRUCT   = NO
 # a logarithmic scale so increasing the size by one will roughly double the 
 # memory usage. The cache size is given by this formula: 
 # 2^(16+SYMBOL_CACHE_SIZE). The valid range is 0..9, the default is 0, 
-# corresponding to a cache size of 2^16 = 65536 symbols
+# corresponding to a cache size of 2^16 = 65536 symbols.
 
 SYMBOL_CACHE_SIZE      = 0
 
+# Similar to the SYMBOL_CACHE_SIZE the size of the symbol lookup cache can be 
+# set using LOOKUP_CACHE_SIZE. This cache is used to resolve symbols given 
+# their name and scope. Since this can be an expensive process and often the 
+# same symbol appear multiple times in the code, doxygen keeps a cache of 
+# pre-resolved symbols. If the cache is too small doxygen will become slower. 
+# If the cache is too large, memory is wasted. The cache size is given by this 
+# formula: 2^(16+LOOKUP_CACHE_SIZE). The valid range is 0..9, the default is 0, 
+# corresponding to a cache size of 2^16 = 65536 symbols.
+
+LOOKUP_CACHE_SIZE      = 0
+
 #---------------------------------------------------------------------------
 # Build related configuration options
 #---------------------------------------------------------------------------
@@ -335,6 +372,11 @@ EXTRACT_ALL            = YES
 
 EXTRACT_PRIVATE        = NO
 
+# If the EXTRACT_PACKAGE tag is set to YES all members with package or internal
+# scope will be included in the documentation.
+
+EXTRACT_PACKAGE        = NO
+
 # If the EXTRACT_STATIC tag is set to YES all static members of a file 
 # will be included in the documentation.
 
@@ -522,12 +564,6 @@ MAX_INITIALIZER_LINES  = 30
 
 SHOW_USED_FILES        = YES
 
-# If the sources in your project are distributed over multiple directories 
-# then setting the SHOW_DIRECTORIES tag to YES will show the directory hierarchy 
-# in the documentation. The default is NO.
-
-SHOW_DIRECTORIES       = NO
-
 # Set the SHOW_FILES tag to NO to disable the generation of the Files page. 
 # This will remove the Files entry from the Quick Index and from the 
 # Folder Tree View (if specified). The default is YES.
@@ -552,13 +588,23 @@ FILE_VERSION_FILTER    =
 
 # The LAYOUT_FILE tag can be used to specify a layout file which will be parsed 
 # by doxygen. The layout file controls the global structure of the generated 
-# output files in an output format independent way. The create the layout file 
+# output files in an output format independent way. To create the layout file 
 # that represents doxygen's defaults, run doxygen with the -l option. 
 # You can optionally specify a file name after the option, if omitted 
 # DoxygenLayout.xml will be used as the name of the layout file.
 
 LAYOUT_FILE            = 
 
+# The CITE_BIB_FILES tag can be used to specify one or more bib files 
+# containing the references data. This must be a list of .bib files. The 
+# .bib extension is automatically appended if omitted. Using this command 
+# requires the bibtex tool to be installed. See also 
+# http://en.wikipedia.org/wiki/BibTeX for more info. For LaTeX the style 
+# of the bibliography can be controlled using LATEX_BIB_STYLE. To use this 
+# feature you need bibtex and perl available in the search path.
+
+CITE_BIB_FILES         = 
+
 #---------------------------------------------------------------------------
 # configuration options related to warning and progress messages
 #---------------------------------------------------------------------------
@@ -620,7 +666,8 @@ WARN_LOGFILE           =
 # with spaces.
 
 INPUT                  = ../ \
-                         ../src
+                         ../src \
+                         ./midi_DoxygenMainPage.h
 
 # This tag can be used to specify the character encoding of the source files 
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding, which is 
@@ -668,21 +715,24 @@ FILE_PATTERNS          = *.c \
                          *.f90 \
                          *.f \
                          *.vhd \
-                         *.vhdl
+                         *.vhdl \
+                         *.ino
 
 # The RECURSIVE tag can be used to turn specify whether or not subdirectories 
 # should be searched for input files as well. Possible values are YES and NO. 
 # If left blank NO is used.
 
-RECURSIVE              = NO
+RECURSIVE              = YES
 
-# The EXCLUDE tag can be used to specify files and/or directories that should 
+# The EXCLUDE tag can be used to specify files and/or directories that should be 
 # excluded from the INPUT source files. This way you can easily exclude a 
 # subdirectory from a directory tree whose root is specified with the INPUT tag. 
+# Note that relative paths are relative to the directory from which doxygen is 
+# run.
 
 EXCLUDE                = 
 
-# The EXCLUDE_SYMLINKS tag can be used select whether or not files or 
+# 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 
 # from the input.
 
@@ -708,7 +758,7 @@ EXCLUDE_SYMBOLS        =
 # directories that contain example code fragments that are included (see 
 # the \include command).
 
-EXAMPLE_PATH           = 
+EXAMPLE_PATH           = ../res/Examples
 
 # If the value of the EXAMPLE_PATH tag contains directories, you can use the 
 # EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp 
@@ -722,7 +772,7 @@ EXAMPLE_PATTERNS       = *
 # commands irrespective of the value of the RECURSIVE tag. 
 # Possible values are YES and NO. If left blank NO is used.
 
-EXAMPLE_RECURSIVE      = NO
+EXAMPLE_RECURSIVE      = YES
 
 # The IMAGE_PATH tag can be used to specify one or more files or 
 # directories that contain image that are included in the documentation (see 
@@ -781,7 +831,7 @@ INLINE_SOURCES         = YES
 
 # Setting the STRIP_CODE_COMMENTS tag to YES (the default) will instruct 
 # doxygen to hide any special comment blocks from generated source code 
-# fragments. Normal C and C++ comments will always remain visible.
+# fragments. Normal C, C++ and Fortran comments will always remain visible.
 
 STRIP_CODE_COMMENTS    = YES
 
@@ -867,7 +917,7 @@ HTML_FILE_EXTENSION    = .html
 # standard header. Note that when using a custom header you are responsible  
 # for the proper inclusion of any scripts and style sheets that doxygen 
 # needs, which is dependent on the configuration options used. 
-# It is adviced to generate a default header using "doxygen -w html 
+# It is advised to generate a default header using "doxygen -w html 
 # header.html footer.html stylesheet.css YourConfigFile" and then modify 
 # that header. Note that the header is subject to change so you typically 
 # have to redo this when upgrading to a newer version of doxygen or when 
@@ -930,20 +980,23 @@ HTML_COLORSTYLE_GAMMA  = 80
 
 HTML_TIMESTAMP         = YES
 
-# If the HTML_ALIGN_MEMBERS tag is set to YES, the members of classes, 
-# files or namespaces will be aligned in HTML using tables. If set to 
-# NO a bullet list will be used.
-
-HTML_ALIGN_MEMBERS     = YES
-
 # If the HTML_DYNAMIC_SECTIONS tag is set to YES then the generated HTML 
 # documentation will contain sections that can be hidden and shown after the 
-# page has loaded. For this to work a browser that supports 
+# page has loaded.
-# JavaScript and DHTML is required (for instance Mozilla 1.0+, Firefox 
-# Netscape 6.0+, Internet explorer 5.0+, Konqueror, or Safari).
 
 HTML_DYNAMIC_SECTIONS  = NO
 
+# With HTML_INDEX_NUM_ENTRIES one can control the preferred number of 
+# entries shown in the various tree structured indices initially; the user 
+# can expand and collapse entries dynamically later on. Doxygen will expand 
+# the tree to such a level that at most the specified number of entries are 
+# visible (unless a fully collapsed tree already exceeds this amount). 
+# So setting the number of entries 1 will produce a full collapsed tree by 
+# default. 0 is a special value representing an infinite number of entries 
+# and will result in a full expanded tree by default.
+
+HTML_INDEX_NUM_ENTRIES = 100
+
 # If the GENERATE_DOCSET tag is set to YES, additional index files 
 # will be generated that can be used as input for Apple's Xcode 3 
 # integrated development environment, introduced with OSX 10.5 (Leopard). 
@@ -1095,19 +1148,14 @@ GENERATE_ECLIPSEHELP   = NO
 
 ECLIPSE_DOC_ID         = org.doxygen.Project
 
-# The DISABLE_INDEX tag can be used to turn on/off the condensed index at 
+# The DISABLE_INDEX tag can be used to turn on/off the condensed index (tabs) 
-# top of each HTML page. The value NO (the default) enables the index and 
+# at top of each HTML page. The value NO (the default) enables the index and 
-# the value YES disables it.
+# the value YES disables it. Since the tabs have the same information as the 
+# navigation tree you can set this option to NO if you already set 
+# GENERATE_TREEVIEW to YES.
 
 DISABLE_INDEX          = NO
 
-# The ENUM_VALUES_PER_LINE tag can be used to set the number of enum values 
-# (range [0,1..20]) that doxygen will group on one line in the generated HTML 
-# documentation. Note that a value of 0 will completely suppress the enum 
-# values from appearing in the overview section.
-
-ENUM_VALUES_PER_LINE   = 4
-
 # The GENERATE_TREEVIEW tag is used to specify whether a tree-like index 
 # structure should be generated to display hierarchical information. 
 # If the tag value is set to YES, a side panel will be generated 
@@ -1115,13 +1163,17 @@ ENUM_VALUES_PER_LINE   = 4
 # is generated for HTML Help). For this to work a browser that supports 
 # JavaScript, DHTML, CSS and frames is required (i.e. any modern browser). 
 # Windows users are probably better off using the HTML help feature. 
+# Since the tree basically has the same information as the tab index you 
+# could consider to set DISABLE_INDEX to NO when enabling this option.
 
 GENERATE_TREEVIEW      = NO
 
-# By enabling USE_INLINE_TREES, doxygen will generate the Groups, Directories, 
+# The ENUM_VALUES_PER_LINE tag can be used to set the number of enum values 
-# and Class Hierarchy pages using a tree view instead of an ordered list.
+# (range [0,1..20]) that doxygen will group on one line in the generated HTML 
+# documentation. Note that a value of 0 will completely suppress the enum 
+# values from appearing in the overview section.
 
-USE_INLINE_TREES       = NO
+ENUM_VALUES_PER_LINE   = 4
 
 # If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be 
 # used to set the initial width (in pixels) of the frame in which the tree 
@@ -1154,7 +1206,7 @@ FORMULA_TRANSPARENT    = YES
 # (see http://www.mathjax.org) which uses client side Javascript for the 
 # rendering instead of using prerendered bitmaps. Use this if you do not 
 # have LaTeX installed or if you want to formulas look prettier in the HTML 
-# output. When enabled you also need to install MathJax separately and 
+# output. When enabled you may also need to install MathJax separately and 
 # configure the path to it using the MATHJAX_RELPATH option.
 
 USE_MATHJAX            = NO
@@ -1163,13 +1215,18 @@ USE_MATHJAX            = NO
 # HTML output directory using the MATHJAX_RELPATH option. The destination 
 # directory should contain the MathJax.js script. For instance, if the mathjax 
 # directory is located at the same level as the HTML output directory, then 
-# MATHJAX_RELPATH should be ../mathjax. The default value points to the 
+# MATHJAX_RELPATH should be ../mathjax. The default value points to 
-# mathjax.org site, so you can quickly see the result without installing 
+# the MathJax Content Delivery Network so you can quickly see the result without 
-# MathJax, but it is strongly recommended to install a local copy of MathJax 
+# installing MathJax.  However, it is strongly recommended to install a local 
-# before deployment.
+# copy of MathJax from http://www.mathjax.org before deployment.
 
 MATHJAX_RELPATH        = http://www.mathjax.org/mathjax
 
+# The MATHJAX_EXTENSIONS tag can be used to specify one or MathJax extension 
+# names that should be enabled during MathJax rendering.
+
+MATHJAX_EXTENSIONS     = 
+
 # When the SEARCHENGINE tag is enabled doxygen will generate a search box 
 # for the HTML output. The underlying search engine uses javascript 
 # and DHTML and should work on any modern browser. Note that when using 
@@ -1283,6 +1340,12 @@ LATEX_HIDE_INDICES     = NO
 
 LATEX_SOURCE_CODE      = NO
 
+# The LATEX_BIB_STYLE tag can be used to specify the style to use for the 
+# bibliography, e.g. plainnat, or ieeetr. The default style is "plain". See 
+# http://en.wikipedia.org/wiki/BibTeX for more info.
+
+LATEX_BIB_STYLE        = plain
+
 #---------------------------------------------------------------------------
 # configuration options related to the RTF output
 #---------------------------------------------------------------------------
@@ -1448,13 +1511,13 @@ ENABLE_PREPROCESSING   = YES
 # compilation will be performed. Macro expansion can be done in a controlled 
 # way by setting EXPAND_ONLY_PREDEF to YES.
 
-MACRO_EXPANSION        = NO
+MACRO_EXPANSION        = YES
 
 # If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES 
 # then the macro expansion is limited to the macros specified with the 
 # PREDEFINED and EXPAND_AS_DEFINED tags.
 
-EXPAND_ONLY_PREDEF     = NO
+EXPAND_ONLY_PREDEF     = YES
 
 # If the SEARCH_INCLUDES tag is set to YES (the default) the includes files 
 # pointed to by INCLUDE_PATH will be searched when a #include is found.
@@ -1465,14 +1528,15 @@ SEARCH_INCLUDES        = YES
 # contain include files that are not input files but should be processed by 
 # the preprocessor.
 
-INCLUDE_PATH           = 
+INCLUDE_PATH           = ../src
 
 # You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard 
 # patterns (like *.h and *.hpp) to filter out the header-files in the 
 # directories. If left blank, the patterns specified with FILE_PATTERNS will 
 # be used.
 
-INCLUDE_FILE_PATTERNS  = 
+INCLUDE_FILE_PATTERNS  = *.h \
+                         *.hpp
 
 # The PREDEFINED tag can be used to specify one or more macro names that 
 # are defined before the preprocessor is started (similar to the -D option of 
@@ -1482,7 +1546,10 @@ INCLUDE_FILE_PATTERNS  =
 # undefined via #undef or recursively expanded use the := operator 
 # instead of the = operator.
 
-PREDEFINED             = 
+PREDEFINED             = MIDI_USE_CALLBACKS=1 \
+                         MIDI_BUILD_INPUT=1 \
+                         MIDI_BUILD_OUTPUT=1 \
+                         MIDI_BUILD_THRU=1
 
 # If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then 
 # this tag can be used to specify a list of macro names that should be expanded. 
@@ -1497,26 +1564,22 @@ EXPAND_AS_DEFINED      =
 # that are alone on a line, have an all uppercase name, and do not end with a 
 # semicolon, because these will confuse the parser if not removed.
 
-SKIP_FUNCTION_MACROS   = YES
+SKIP_FUNCTION_MACROS   = NO
 
 #---------------------------------------------------------------------------
 # Configuration::additions related to external references
 #---------------------------------------------------------------------------
 
-# The TAGFILES option can be used to specify one or more tagfiles. 
+# The TAGFILES option can be used to specify one or more tagfiles. For each 
-# Optionally an initial location of the external documentation 
+# tag file the location of the external documentation should be added. The 
-# can be added for each tagfile. The format of a tag file without 
+# format of a tag file without this location is as follows: 
-# this location is as follows: 
 #   TAGFILES = file1 file2 ... 
 # Adding location for the tag files is done as follows: 
 #   TAGFILES = file1=loc1 "file2 = loc2" ... 
-# where "loc1" and "loc2" can be relative or absolute paths or 
+# where "loc1" and "loc2" can be relative or absolute paths 
-# URLs. If a location is present for each tag, the installdox tool 
+# or URLs. Note that each tag file must have a unique name (where the name does 
-# does not have to be run to correct the links. 
+# NOT include the path). If a tag file is not located in the directory in which 
-# Note that each tag file must have a unique name 
+# doxygen is run, you must also specify the path to the tagfile here.
-# (where the name does NOT include the path) 
-# If a tag file is not located in the directory in which doxygen 
-# is run, you must also specify the path to the tagfile here.
 
 TAGFILES               = 
 
@@ -1584,13 +1647,12 @@ HAVE_DOT               = NO
 
 DOT_NUM_THREADS        = 0
 
-# By default doxygen will write a font called Helvetica to the output 
+# By default doxygen will use the Helvetica font for all dot files that 
-# directory and reference it in all dot files that doxygen generates. 
+# doxygen generates. When you want a differently looking font you can specify 
-# When you want a differently looking font you can specify the font name 
+# the font name using DOT_FONTNAME. You need to make sure dot is able to find 
-# using DOT_FONTNAME. You need to make sure dot is able to find the font, 
+# the font, which can be done by putting it in a standard location or by setting 
-# which can be done by putting it in a standard location or by setting the 
+# the DOTFONTPATH environment variable or by setting DOT_FONTPATH to the 
-# DOTFONTPATH environment variable or by setting DOT_FONTPATH to the directory 
+# directory containing the font.
-# containing the font.
 
 DOT_FONTNAME           = FreeSans
 
@@ -1599,17 +1661,16 @@ DOT_FONTNAME           = FreeSans
 
 DOT_FONTSIZE           = 10
 
-# By default doxygen will tell dot to use the output directory to look for the 
+# By default doxygen will tell dot to use the Helvetica font. 
-# FreeSans.ttf font (which doxygen will put there itself). If you specify a 
+# If you specify a different font using DOT_FONTNAME you can use DOT_FONTPATH to 
-# different font using DOT_FONTNAME you can set the path where dot 
+# set the path where dot can find it.
-# can find it using this tag.
 
 DOT_FONTPATH           = 
 
 # 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. Setting this tag to YES will force the 
-# the CLASS_DIAGRAMS tag to NO.
+# CLASS_DIAGRAMS tag to NO.
 
 CLASS_GRAPH            = YES
 
@@ -1631,6 +1692,15 @@ GROUP_GRAPHS           = YES
 
 UML_LOOK               = NO
 
+# If the UML_LOOK tag is enabled, the fields and methods are shown inside 
+# the class node. If there are many fields or methods and many nodes the 
+# graph may become too big to be useful. The UML_LIMIT_NUM_FIELDS 
+# threshold limits the number of items for each type to make the size more 
+# managable. Set this to 0 for no limit. Note that the threshold may be 
+# exceeded by 50% before the limit is enforced.
+
+UML_LIMIT_NUM_FIELDS   = 10
+
 # If set to YES, the inheritance and collaboration graphs will show the 
 # relations between templates and their instances.
 
@@ -1671,7 +1741,7 @@ CALLER_GRAPH           = NO
 
 GRAPHICAL_HIERARCHY    = YES
 
-# If the DIRECTORY_GRAPH, SHOW_DIRECTORIES and HAVE_DOT tags are set to YES 
+# If the DIRECTORY_GRAPH and HAVE_DOT tags are set to YES 
 # then doxygen will show the dependencies a directory has on other directories 
 # in a graphical way. The dependency relations are determined by the #include 
 # relations between the files in the directories.
@@ -1680,10 +1750,21 @@ DIRECTORY_GRAPH        = YES
 
 # The DOT_IMAGE_FORMAT tag can be used to set the image format of the images 
 # generated by dot. Possible values are svg, png, jpg, or gif. 
-# If left blank png will be used.
+# If left blank png will be used. If you choose svg you need to set 
+# HTML_FILE_EXTENSION to xhtml in order to make the SVG files 
+# visible in IE 9+ (other browsers do not have this requirement).
 
 DOT_IMAGE_FORMAT       = png
 
+# If DOT_IMAGE_FORMAT is set to svg, then this option can be set to YES to 
+# enable generation of interactive SVG images that allow zooming and panning. 
+# Note that this requires a modern browser other than Internet Explorer. 
+# Tested and working are Firefox, Chrome, Safari, and Opera. For IE 9+ you 
+# need to set HTML_FILE_EXTENSION to xhtml in order to make the SVG files 
+# visible. Older versions of IE do not have SVG support.
+
+INTERACTIVE_SVG        = NO
+
 # The tag DOT_PATH can be used to specify the path where the dot tool can be 
 # found. If left blank, it is assumed the dot tool can be found in the path.
 

doc/midi_DoxygenMainPage.h

@@ -1,23 +1,8 @@
 /*!
  \mainpage Arduino MIDI Library
  
- \tableofcontents
+ See the documentation of the main class, MidiInterface, or browse the modules
- 
+ using the toolbar above.
- 
- \page howtodoc How to use this documentation
-
-  You can browse the classes 
- 
- \page howtolib How to use the library
- 
- \section howtolib_section_callbacks Using callbacks
- 
- Callbacks can simplify the reception of input messages.
- 
- 
- 
- \page 
- 
  */
 
 // -----------------------------------------------------------------------------
@@ -40,3 +25,26 @@
  \n
  */
 
+/*!
+ \example MIDI_Callbacks.ino 
+ This example shows how to use callbacks for easier MIDI input handling. \n
+ */
+
+/*!
+ \example MIDI_Bench.ino
+ \example MIDI_DualMerger.ino
+ \example MIDI_Input.ino
+ */
+
+// -----------------------------------------------------------------------------
+
+/*! \defgroup output   MIDI Output
+ */
+/*! \defgroup input    MIDI Input
+ */
+/*! \defgroup callbacks Callbacks 
+ \ingroup input   
+ */
+/*! \defgroup thru     MIDI Thru
+ */
+