diff --git a/Doxyfile b/Doxyfile
new file mode 100644
index 00000000..03fa96d8
--- /dev/null
+++ b/Doxyfile
@@ -0,0 +1,314 @@
+# Doxyfile 1.8.9.1
+
+#---------------------------------------------------------------------------
+# Project related configuration options
+#---------------------------------------------------------------------------
+DOXYFILE_ENCODING      = UTF-8
+PROJECT_NAME           = NodeMCU
+PROJECT_NUMBER         = 0.9.5
+PROJECT_BRIEF          =
+PROJECT_LOGO           =
+OUTPUT_DIRECTORY       = docs
+CREATE_SUBDIRS         = NO
+ALLOW_UNICODE_NAMES    = NO
+OUTPUT_LANGUAGE        = English
+BRIEF_MEMBER_DESC      = YES
+REPEAT_BRIEF           = YES
+ABBREVIATE_BRIEF       =
+ALWAYS_DETAILED_SEC    = NO
+INLINE_INHERITED_MEMB  = NO
+FULL_PATH_NAMES        = YES
+STRIP_FROM_PATH        =
+STRIP_FROM_INC_PATH    =
+SHORT_NAMES            = NO
+JAVADOC_AUTOBRIEF      = NO
+QT_AUTOBRIEF           = NO
+MULTILINE_CPP_IS_BRIEF = NO
+INHERIT_DOCS           = YES
+SEPARATE_MEMBER_PAGES  = NO
+TAB_SIZE               = 4
+ALIASES                =
+TCL_SUBST              =
+OPTIMIZE_OUTPUT_FOR_C  = NO
+OPTIMIZE_OUTPUT_JAVA   = NO
+OPTIMIZE_FOR_FORTRAN   = NO
+OPTIMIZE_OUTPUT_VHDL   = NO
+EXTENSION_MAPPING      =
+MARKDOWN_SUPPORT       = YES
+AUTOLINK_SUPPORT       = YES
+BUILTIN_STL_SUPPORT    = NO
+CPP_CLI_SUPPORT        = NO
+SIP_SUPPORT            = NO
+IDL_PROPERTY_SUPPORT   = YES
+DISTRIBUTE_GROUP_DOC   = NO
+SUBGROUPING            = YES
+INLINE_GROUPED_CLASSES = NO
+INLINE_SIMPLE_STRUCTS  = NO
+TYPEDEF_HIDES_STRUCT   = NO
+LOOKUP_CACHE_SIZE      = 0
+#---------------------------------------------------------------------------
+# Build related configuration options
+#---------------------------------------------------------------------------
+EXTRACT_ALL            = NO
+EXTRACT_PRIVATE        = NO
+EXTRACT_PACKAGE        = NO
+EXTRACT_STATIC         = YES
+EXTRACT_LOCAL_CLASSES  = YES
+EXTRACT_LOCAL_METHODS  = NO
+EXTRACT_ANON_NSPACES   = NO
+HIDE_UNDOC_MEMBERS     = NO
+HIDE_UNDOC_CLASSES     = NO
+HIDE_FRIEND_COMPOUNDS  = NO
+HIDE_IN_BODY_DOCS      = NO
+INTERNAL_DOCS          = NO
+CASE_SENSE_NAMES       = NO
+HIDE_SCOPE_NAMES       = NO
+HIDE_COMPOUND_REFERENCE= NO
+SHOW_INCLUDE_FILES     = YES
+SHOW_GROUPED_MEMB_INC  = NO
+FORCE_LOCAL_INCLUDES   = NO
+INLINE_INFO            = YES
+SORT_MEMBER_DOCS       = YES
+SORT_BRIEF_DOCS        = NO
+SORT_MEMBERS_CTORS_1ST = NO
+SORT_GROUP_NAMES       = NO
+SORT_BY_SCOPE_NAME     = NO
+STRICT_PROTO_MATCHING  = NO
+GENERATE_TODOLIST      = YES
+GENERATE_TESTLIST      = YES
+GENERATE_BUGLIST       = YES
+GENERATE_DEPRECATEDLIST= YES
+ENABLED_SECTIONS       =
+MAX_INITIALIZER_LINES  = 30
+SHOW_USED_FILES        = YES
+SHOW_FILES             = YES
+SHOW_NAMESPACES        = YES
+FILE_VERSION_FILTER    =
+LAYOUT_FILE            =
+CITE_BIB_FILES         =
+#---------------------------------------------------------------------------
+# Configuration options related to warning and progress messages
+#---------------------------------------------------------------------------
+QUIET                  = NO
+WARNINGS               = YES
+WARN_IF_UNDOCUMENTED   = YES
+WARN_IF_DOC_ERROR      = YES
+WARN_NO_PARAMDOC       = NO
+WARN_FORMAT            = "$file:$line: $text"
+WARN_LOGFILE           =
+#---------------------------------------------------------------------------
+# Configuration options related to the input files
+#---------------------------------------------------------------------------
+INPUT                  = app/modules README.md
+INPUT_ENCODING         = UTF-8
+FILE_PATTERNS          = *.c *.md
+RECURSIVE              = YES
+EXCLUDE                =
+EXCLUDE_SYMLINKS       = NO
+EXCLUDE_PATTERNS       =
+EXCLUDE_SYMBOLS        =
+EXAMPLE_PATH           = 
+EXAMPLE_PATTERNS       = 
+EXAMPLE_RECURSIVE      = NO
+IMAGE_PATH             =
+INPUT_FILTER           =
+FILTER_PATTERNS        =
+FILTER_SOURCE_FILES    = NO
+FILTER_SOURCE_PATTERNS =
+USE_MDFILE_AS_MAINPAGE = README.md
+#---------------------------------------------------------------------------
+# Configuration options related to source browsing
+#---------------------------------------------------------------------------
+SOURCE_BROWSER         = NO
+INLINE_SOURCES         = NO
+STRIP_CODE_COMMENTS    = YES
+REFERENCED_BY_RELATION = NO
+REFERENCES_RELATION    = NO
+REFERENCES_LINK_SOURCE = YES
+SOURCE_TOOLTIPS        = YES
+USE_HTAGS              = NO
+VERBATIM_HEADERS       = YES
+#---------------------------------------------------------------------------
+# Configuration options related to the alphabetical class index
+#---------------------------------------------------------------------------
+ALPHABETICAL_INDEX     = YES
+COLS_IN_ALPHA_INDEX    = 5
+IGNORE_PREFIX          =
+#---------------------------------------------------------------------------
+# Configuration options related to the HTML output
+#---------------------------------------------------------------------------
+GENERATE_HTML          = YES
+HTML_OUTPUT            = html
+HTML_FILE_EXTENSION    = .html
+HTML_HEADER            =
+HTML_FOOTER            =
+HTML_STYLESHEET        =
+HTML_EXTRA_STYLESHEET  =
+HTML_EXTRA_FILES       =
+HTML_COLORSTYLE_HUE    = 220
+HTML_COLORSTYLE_SAT    = 100
+HTML_COLORSTYLE_GAMMA  = 80
+HTML_TIMESTAMP         = YES
+HTML_DYNAMIC_SECTIONS  = NO
+HTML_INDEX_NUM_ENTRIES = 100
+GENERATE_DOCSET        = NO
+DOCSET_FEEDNAME        = "Doxygen generated docs"
+DOCSET_BUNDLE_ID       = org.doxygen.Project
+DOCSET_PUBLISHER_ID    = org.doxygen.Publisher
+DOCSET_PUBLISHER_NAME  = Publisher
+GENERATE_HTMLHELP      = NO
+CHM_FILE               =
+HHC_LOCATION           =
+GENERATE_CHI           = NO
+CHM_INDEX_ENCODING     =
+BINARY_TOC             = NO
+TOC_EXPAND             = NO
+GENERATE_QHP           = NO
+QCH_FILE               =
+QHP_NAMESPACE          = org.doxygen.Project
+QHP_VIRTUAL_FOLDER     = doc
+QHP_CUST_FILTER_NAME   =
+QHP_CUST_FILTER_ATTRS  =
+QHP_SECT_FILTER_ATTRS  =
+QHG_LOCATION           =
+GENERATE_ECLIPSEHELP   = NO
+ECLIPSE_DOC_ID         = org.doxygen.Project
+DISABLE_INDEX          = NO
+GENERATE_TREEVIEW      = NO
+ENUM_VALUES_PER_LINE   = 4
+TREEVIEW_WIDTH         = 250
+EXT_LINKS_IN_WINDOW    = NO
+FORMULA_FONTSIZE       = 10
+FORMULA_TRANSPARENT    = YES
+USE_MATHJAX            = NO
+MATHJAX_FORMAT         = HTML-CSS
+MATHJAX_RELPATH        = http://cdn.mathjax.org/mathjax/latest
+MATHJAX_EXTENSIONS     =
+MATHJAX_CODEFILE       =
+SEARCHENGINE           = YES
+SERVER_BASED_SEARCH    = NO
+EXTERNAL_SEARCH        = NO
+SEARCHENGINE_URL       =
+SEARCHDATA_FILE        = searchdata.xml
+EXTERNAL_SEARCH_ID     =
+EXTRA_SEARCH_MAPPINGS  =
+#---------------------------------------------------------------------------
+# Configuration options related to the LaTeX output
+#---------------------------------------------------------------------------
+GENERATE_LATEX         = YES
+LATEX_OUTPUT           = latex
+LATEX_CMD_NAME         = latex
+MAKEINDEX_CMD_NAME     = makeindex
+COMPACT_LATEX          = NO
+PAPER_TYPE             = a4
+EXTRA_PACKAGES         =
+LATEX_HEADER           =
+LATEX_FOOTER           =
+LATEX_EXTRA_STYLESHEET =
+LATEX_EXTRA_FILES      =
+PDF_HYPERLINKS         = YES
+USE_PDFLATEX           = YES
+LATEX_BATCHMODE        = NO
+LATEX_HIDE_INDICES     = NO
+LATEX_SOURCE_CODE      = NO
+LATEX_BIB_STYLE        = plain
+#---------------------------------------------------------------------------
+# Configuration options related to the RTF output
+#---------------------------------------------------------------------------
+GENERATE_RTF           = NO
+RTF_OUTPUT             = rtf
+COMPACT_RTF            = NO
+RTF_HYPERLINKS         = NO
+RTF_STYLESHEET_FILE    =
+RTF_EXTENSIONS_FILE    =
+RTF_SOURCE_CODE        = NO
+#---------------------------------------------------------------------------
+# Configuration options related to the man page output
+#---------------------------------------------------------------------------
+GENERATE_MAN           = NO
+MAN_OUTPUT             = man
+MAN_EXTENSION          = .3
+MAN_SUBDIR             =
+MAN_LINKS              = NO
+#---------------------------------------------------------------------------
+# Configuration options related to the XML output
+#---------------------------------------------------------------------------
+GENERATE_XML           = NO
+XML_OUTPUT             = xml
+XML_PROGRAMLISTING     = YES
+#---------------------------------------------------------------------------
+# Configuration options related to the DOCBOOK output
+#---------------------------------------------------------------------------
+GENERATE_DOCBOOK       = NO
+DOCBOOK_OUTPUT         = docbook
+DOCBOOK_PROGRAMLISTING = NO
+#---------------------------------------------------------------------------
+# Configuration options for the AutoGen Definitions output
+#---------------------------------------------------------------------------
+GENERATE_AUTOGEN_DEF   = NO
+#---------------------------------------------------------------------------
+# Configuration options related to the Perl module output
+#---------------------------------------------------------------------------
+GENERATE_PERLMOD       = NO
+PERLMOD_LATEX          = NO
+PERLMOD_PRETTY         = YES
+PERLMOD_MAKEVAR_PREFIX =
+#---------------------------------------------------------------------------
+# Configuration options related to the preprocessor
+#---------------------------------------------------------------------------
+ENABLE_PREPROCESSING   = YES
+MACRO_EXPANSION        = NO
+EXPAND_ONLY_PREDEF     = NO
+SEARCH_INCLUDES        = YES
+INCLUDE_PATH           =
+INCLUDE_FILE_PATTERNS  =
+PREDEFINED             =
+EXPAND_AS_DEFINED      =
+SKIP_FUNCTION_MACROS   = YES
+#---------------------------------------------------------------------------
+# Configuration options related to external references
+#---------------------------------------------------------------------------
+TAGFILES               =
+GENERATE_TAGFILE       =
+ALLEXTERNALS           = NO
+EXTERNAL_GROUPS        = YES
+EXTERNAL_PAGES         = YES
+PERL_PATH              = /usr/bin/perl
+#---------------------------------------------------------------------------
+# Configuration options related to the dot tool
+#---------------------------------------------------------------------------
+CLASS_DIAGRAMS         = YES
+MSCGEN_PATH            =
+DIA_PATH               =
+HIDE_UNDOC_RELATIONS   = YES
+HAVE_DOT               = NO
+DOT_NUM_THREADS        = 0
+DOT_FONTNAME           = Helvetica
+DOT_FONTSIZE           = 10
+DOT_FONTPATH           =
+CLASS_GRAPH            = YES
+COLLABORATION_GRAPH    = YES
+GROUP_GRAPHS           = YES
+UML_LOOK               = NO
+UML_LIMIT_NUM_FIELDS   = 10
+TEMPLATE_RELATIONS     = NO
+INCLUDE_GRAPH          = YES
+INCLUDED_BY_GRAPH      = YES
+CALL_GRAPH             = NO
+CALLER_GRAPH           = NO
+GRAPHICAL_HIERARCHY    = YES
+DIRECTORY_GRAPH        = YES
+DOT_IMAGE_FORMAT       = png
+INTERACTIVE_SVG        = NO
+DOT_PATH               =
+DOTFILE_DIRS           =
+MSCFILE_DIRS           =
+DIAFILE_DIRS           =
+PLANTUML_JAR_PATH      =
+PLANTUML_INCLUDE_PATH  =
+DOT_GRAPH_MAX_NODES    = 50
+MAX_DOT_GRAPH_DEPTH    = 0
+DOT_TRANSPARENT        = NO
+DOT_MULTI_TARGETS      = NO
+GENERATE_LEGEND        = YES
+DOT_CLEANUP            = YES
diff --git a/app/modules/file.c b/app/modules/file.c
index c402bbf2..c42b04e7 100644
--- a/app/modules/file.c
+++ b/app/modules/file.c
@@ -1,5 +1,7 @@
-// Module for interfacing with file system
+/// @file file.c Define file module for interfacing with file system
 
+/// @cond
+/// This should not be documented./// @cond
 #include "lua.h"
 #include "lualib.h"
 #include "lauxlib.h"
@@ -11,16 +13,35 @@
 #include "flash_fs.h"
 #include "c_string.h"
 
-static volatile int file_fd = FS_OPEN_OK - 1;
+#define INVALID_FD (FS_OPEN_OK - 1)
+static volatile int file_fd = INVALID_FD;
+/// @endcond
 
+/// Implements the lua method file.close.
+/// It closes the current file opened in file_open().
+// Lua: close()
+static int file_close( lua_State* L )
+{
+  if (INVALID_FD != file_fd){
+    fs_close(file_fd);
+    file_fd = INVALID_FD;
+  }
+  return 0;  
+}
+
+/// Implements the lua method file.open.
+/// Open a file.
+/// @param filename the file name.
+/// @param  mode Optional. The open mode, default is "r".
+/// @throws error if filename is too long.
+/// @retval false open file failed.
+/// @retval true open file succeeded.
+/// @attention You can only open one file at one time.
 // Lua: open(filename, mode)
 static int file_open( lua_State* L )
 {
   size_t len;
-  if((FS_OPEN_OK - 1)!=file_fd){
-    fs_close(file_fd);
-    file_fd = FS_OPEN_OK - 1;
-  }
+  file_close();
 
   const char *fname = luaL_checklstring( L, 1, &len );
   if( len > FS_NAME_MAX_LENGTH )
@@ -30,42 +51,60 @@ static int file_open( lua_State* L )
   file_fd = fs_open(fname, fs_mode2flag(mode));
 
   if(file_fd < FS_OPEN_OK){
-    file_fd = FS_OPEN_OK - 1;
-    lua_pushnil(L);
+    file_fd = INVALID_FD;
+    lua_pushboolean(L, 0);
   } else {
     lua_pushboolean(L, 1);
   }
   return 1; 
 }
 
-// Lua: close()
-static int file_close( lua_State* L )
-{
-  if((FS_OPEN_OK - 1)!=file_fd){
-    fs_close(file_fd);
-    file_fd = FS_OPEN_OK - 1;
-  }
-  return 0;  
-}
-
+/// Implements the lua method file.format.
+/// It closes the current file and formats the file system.
 // Lua: format()
 static int file_format( lua_State* L )
 {
   size_t len;
   file_close(L);
-  if( !fs_format() )
+  if ( fs_format() != 0 )
   {
     NODE_ERR( "\ni*** ERROR ***: unable to format. FS might be compromised.\n" );
     NODE_ERR( "It is advised to re-flash the NodeMCU image.\n" );
   }
-  else{
+  else {
     NODE_ERR( "format done.\n" );
   }
   return 0; 
 }
 
+/// Implements the lua method file.seek.
+/// Seeks current file to position basded on mode.
+/// @param The mode. Can be one of: set, cur, end.
+/// @param The offest.
+/// @throws error if file not opened.
+/// @retval false seek failed.
+/// @retval true seek succeeded.
+// Lua: seek(mode, offest)
+static int file_seek (lua_State *L) 
+{
+  static const int mode[] = {FS_SEEK_SET, FS_SEEK_CUR, FS_SEEK_END};
+  static const char *const modenames[] = {"set", "cur", "end", NULL};
+  if(INVALID_FD == file_fd)
+    return luaL_error(L, "open a file first");
+  int op = luaL_checkoption(L, 1, "cur", modenames);
+  long offset = luaL_optlong(L, 2, 0);
+  op = fs_seek(file_fd, offset, mode[op]);
+  if (op)
+    lua_pushboolean(L, 0);  /* error */
+  else
+    lua_pushboolean(L, 1);
+  return 1;
+}
+
 #if defined(BUILD_WOFS)
-// Lua: list()
+/// Implements the lua method file.list.
+/// It lists the files in the file system.
+/// @return filenames a table consist of file names and their lengths.
 static int file_list( lua_State* L )
 {
   uint32_t start = 0;
@@ -83,6 +122,9 @@ static int file_list( lua_State* L )
 
 extern spiffs fs;
 
+/// Implements the lua method file.list.
+/// It lists the files in the file system.
+/// @return filenames a table consist of file names and their lengths.
 // Lua: list()
 static int file_list( lua_State* L )
 {
@@ -101,22 +143,23 @@ static int file_list( lua_State* L )
   return 1;
 }
 
-static int file_seek (lua_State *L) 
-{
-  static const int mode[] = {FS_SEEK_SET, FS_SEEK_CUR, FS_SEEK_END};
-  static const char *const modenames[] = {"set", "cur", "end", NULL};
-  if((FS_OPEN_OK - 1)==file_fd)
+/// Implements the lua method file.tell.
+/// Tell the current position of current file.
+/// @throws error if file not opened.
+/// @return the currentposition of file.
+static int file_tell (lua_State* L) {
+  if (INVALID_FD == file_fd) {
     return luaL_error(L, "open a file first");
-  int op = luaL_checkoption(L, 1, "cur", modenames);
-  long offset = luaL_optlong(L, 2, 0);
-  op = fs_seek(file_fd, offset, mode[op]);
-  if (op)
-    lua_pushboolean(L, 1);  /* error */
-  else
-    lua_pushinteger(L, fs_tell(file_fd));
+  }
+  lua_pushinteger(L, fs_tell(file_fd));
   return 1;
 }
 
+
+/// Implements the lua method file.remove.
+/// Close current file and remove the file from file system.
+/// @param filename
+/// @throws error if filename is too long.
 // Lua: remove(filename)
 static int file_remove( lua_State* L )
 {
@@ -129,35 +172,52 @@ static int file_remove( lua_State* L )
   return 0;  
 }
 
+/// Implements the lua method file.flush.
+/// Flush the buffer to file.
+/// @return the result of flush.
+/// @throws error if file not opened.
+/// @retval false flush failed.
+/// @retval true flush succeeded.
 // Lua: flush()
 static int file_flush( lua_State* L )
 {
-  if((FS_OPEN_OK - 1)==file_fd)
+  if(INVALID_FD==file_fd)
     return luaL_error(L, "open a file first");
-  if(fs_flush(file_fd) == 0)
+  if(fs_flush(file_fd) == SPIFFS_OK)
     lua_pushboolean(L, 1);
   else
-    lua_pushnil(L);
+    lua_pushboolean(L, 0);
   return 1;
 }
-#if 0
-// Lua: check()
+
+
+/// Implements the lua method file.check.
+/// Check the file system.
+/// @return true check succeeded.
+/// @return false check failed.
 static int file_check( lua_State* L )
 {
   file_close(L);
-  lua_pushinteger(L, fs_check());
+  if (fs_check() == SPIFFS_OK)
+    lua_pushboolean(L, 1);
+  else
+    lua_pushboolean(L, 0);
   return 1;
 }
-#endif
+
+/// Implements the lua method file.rename.
+/// Rename file after closing current file.
+/// @param oldname old file name.
+/// @param newname new file name.
+/// @throws error if either file name is too long.
+/// @retval true if rename succeeded.
+/// @retval false if rename failed.
 
 // Lua: rename("oldname", "newname")
 static int file_rename( lua_State* L )
 {
   size_t len;
-  if((FS_OPEN_OK - 1)!=file_fd){
-    fs_close(file_fd);
-    file_fd = FS_OPEN_OK - 1;
-  }
+  file_close(L);
 
   const char *oldname = luaL_checklstring( L, 1, &len );
   if( len > FS_NAME_MAX_LENGTH )
@@ -177,6 +237,9 @@ static int file_rename( lua_State* L )
 
 #endif
 
+/// @cond
+/// This should not be documented.
+
 // g_read()
 static int file_g_read( lua_State* L, int n, int16_t end_char )
 {
@@ -187,7 +250,7 @@ static int file_g_read( lua_State* L, int n, int16_t end_char )
   int ec = (int)end_char;
   
   luaL_Buffer b;
-  if((FS_OPEN_OK - 1)==file_fd)
+  if(INVALID_FD==file_fd)
     return luaL_error(L, "open a file first");
 
   luaL_buffinit(L, &b);
@@ -218,10 +281,14 @@ static int file_g_read( lua_State* L, int n, int16_t end_char )
   return 1;  /* read at least an `eol' */ 
 }
 
+/// @endcond
+
 // Lua: read()
-// file.read() will read all byte in file
-// file.read(10) will read 10 byte from file, or EOF is reached.
-// file.read('q') will read until 'q' or EOF is reached. 
+/// Implements the lua method file.read.
+/// file.read() will read all bytes in file
+/// file.read(10) will read 10 byte from file, or EOF is reached.
+/// file.read('q') will read until 'q' or EOF is reached.
+/// @return the content.
 static int file_read( lua_State* L )
 {
   unsigned need_len = LUAL_BUFFERSIZE;
@@ -246,16 +313,25 @@ static int file_read( lua_State* L )
   return file_g_read(L, need_len, end_char);
 }
 
+/// Implements the lua method file.readline.
+/// Reads a line until '\n'.
+/// @return the line.
 // Lua: readline()
 static int file_readline( lua_State* L )
 {
   return file_g_read(L, LUAL_BUFFERSIZE, '\n');
 }
 
+/// Implements the lua method file.write.
+/// Write a string into file.
+/// @param string
+/// @throws error if file not opened
+/// @retval true write succeeded.
+/// @retval false write failed.
 // Lua: write("string")
 static int file_write( lua_State* L )
 {
-  if((FS_OPEN_OK - 1)==file_fd)
+  if(INVALID_FD==file_fd)
     return luaL_error(L, "open a file first");
   size_t l, rl;
   const char *s = luaL_checklstring(L, 1, &l);
@@ -263,14 +339,20 @@ static int file_write( lua_State* L )
   if(rl==l)
     lua_pushboolean(L, 1);
   else
-    lua_pushnil(L);
+    lua_pushboolean(L, 0);
   return 1;
 }
 
+/// Implements the lua method file.writeline.
+/// Write a string and append line feed(LF, '\\n') into file.
+/// @param string
+/// @throws error if file not opened
+/// @retval true write succeeded.
+/// @retval nil write failed.
 // Lua: writeline("string")
 static int file_writeline( lua_State* L )
 {
-  if((FS_OPEN_OK - 1)==file_fd)
+  if(INVALID_FD==file_fd)
     return luaL_error(L, "open a file first");
   size_t l, rl;
   const char *s = luaL_checklstring(L, 1, &l);
@@ -288,6 +370,8 @@ static int file_writeline( lua_State* L )
   return 1;
 }
 
+/// @cond
+/// This should not be documented.
 // Module function map
 #define MIN_OPT_LEVEL 2
 #include "lrodefs.h"
@@ -302,11 +386,14 @@ const LUA_REG_TYPE file_map[] =
   { LSTRKEY( "readline" ), LFUNCVAL( file_readline ) },
   { LSTRKEY( "format" ), LFUNCVAL( file_format ) },
 #if defined(BUILD_WOFS)
+  { LSTRKEY( "list" ), LFUNCVAL( file_list ) },
 #elif defined(BUILD_SPIFFS)
+  { LSTRKEY( "list" ), LFUNCVAL( file_list ) },
   { LSTRKEY( "remove" ), LFUNCVAL( file_remove ) },
   { LSTRKEY( "seek" ), LFUNCVAL( file_seek ) },
+  { LSTRKEY( "tell" ), LFUNCVAL( file_tell ) },
   { LSTRKEY( "flush" ), LFUNCVAL( file_flush ) },
-  // { LSTRKEY( "check" ), LFUNCVAL( file_check ) },
+  { LSTRKEY( "check" ), LFUNCVAL( file_check ) },
   { LSTRKEY( "rename" ), LFUNCVAL( file_rename ) },
 #endif
   
@@ -327,3 +414,4 @@ LUALIB_API int luaopen_file( lua_State *L )
   return 1;
 #endif // #if LUA_OPTIMIZE_MEMORY > 0  
 }
+/// @endcond