diff --git a/Doxyfile b/Doxyfile
index 1798d35..3328d71 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -380,7 +380,7 @@ EXTRACT_PACKAGE        = NO
 # If the EXTRACT_STATIC tag is set to YES all static members of a file
 # will be included in the documentation.
 
-EXTRACT_STATIC         = NO
+EXTRACT_STATIC         = YES
 
 # If the EXTRACT_LOCAL_CLASSES tag is set to YES classes (and structs)
 # defined locally in source files will be included in the documentation.
@@ -686,7 +686,7 @@ INPUT_ENCODING         = UTF-8
 # *.hxx *.hpp *.h++ *.idl *.odl *.cs *.php *.php3 *.inc *.m *.mm *.dox *.py
 # *.f90 *.f *.for *.vhd *.vhdl
 
-FILE_PATTERNS          =
+FILE_PATTERNS          = *.c *.h
 
 # 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.
@@ -1676,7 +1676,7 @@ HIDE_UNDOC_RELATIONS   = YES
 # toolkit from AT&T and Lucent Bell Labs. The other options in this section
 # have no effect if this option is set to NO (the default)
 
-HAVE_DOT               = NO
+HAVE_DOT               = YES
 
 # The DOT_NUM_THREADS specifies the number of dot invocations doxygen is
 # allowed to run in parallel. When set to 0 (the default) doxygen will
@@ -1757,7 +1757,7 @@ INCLUDE_GRAPH          = YES
 # documented header file showing the documented files that directly or
 # indirectly include this file.
 
-INCLUDED_BY_GRAPH      = YES
+INCLUDED_BY_GRAPH      = NO
 
 # If the CALL_GRAPH and HAVE_DOT options are set to YES then
 # doxygen will generate a call dependency graph for every global function