update/extend doxygen documentation
It's a pity that even with this patch we still are fare away from having
the whole API documented. However, at least we have a more solid
foundation. Updates not only extend the documentation, but also make
sure it is rendered properly in the doxygen HTML.
Change-Id: I1344bd1a6869fb00de7c1899a8db93bba9bafce3
diff --git a/src/sercomm.c b/src/sercomm.c
index 2f693ef..33d4853 100644
--- a/src/sercomm.c
+++ b/src/sercomm.c
@@ -22,6 +22,7 @@
/*! \addtogroup sercomm
* @{
+ * \brief Serial communications layer, based on HDLC
*/
/*! \file sercomm.c