Move rawapi.txt description to main page - this doc really should be found and read by users

doc/doxygen/lwip.Doxyfile

@@ -781,7 +781,7 @@ WARN_LOGFILE           =
 # spaces. See also FILE_PATTERNS and EXTENSION_MAPPING
 # Note: If this tag is empty the current directory is searched.
 
-INPUT                  = ../../src main_page.h
+INPUT                  = main_page.h ../../src
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses

doc/doxygen/main_page.h

@@ -57,7 +57,6 @@
  */
 
 /**
- * @defgroup raw_api RAW API
- * @ingroup callbackstyle_api
+ * @page raw_api lwIP API
  * @verbinclude "rawapi.txt"
  */

src/core/raw.c

@@ -6,7 +6,7 @@
  * See also @ref raw_raw
  * 
  * @defgroup raw_raw RAW
- * @ingroup raw_api
+ * @ingroup callbackstyle_api
  * Implementation of raw protocol PCBs for low-level handling of
  * different types of protocols besides (or overriding) those
  * already available in lwIP.\n

src/core/tcp.c

@@ -4,7 +4,7 @@
  * See also @ref tcp_raw
  *
  * @defgroup tcp_raw TCP
- * @ingroup raw_api
+ * @ingroup callbackstyle_api
  * Transmission Control Protocol for IP\n
  * @see @ref raw_api and @ref netconn
  *

src/core/udp.c

@@ -5,7 +5,7 @@
  * See also @ref udp_raw
  * 
  * @defgroup udp_raw UDP
- * @ingroup raw_api
+ * @ingroup callbackstyle_api
  * User Datagram Protocol module\n
  * @see @ref raw_api and @ref netconn
  */