Index: firmware/App/Services/MsgQueues.h
===================================================================
diff -u -ra7bf3ca23ea37a61000379facae628a31b3ecc59 -r5e0cd9b5be11ff4b2acaadbdcafc4ffe05172aa1
--- firmware/App/Services/MsgQueues.h	(.../MsgQueues.h)	(revision a7bf3ca23ea37a61000379facae628a31b3ecc59)
+++ firmware/App/Services/MsgQueues.h	(.../MsgQueues.h)	(revision 5e0cd9b5be11ff4b2acaadbdcafc4ffe05172aa1)
@@ -19,39 +19,52 @@
 #define __MSG_QUEUES_H__
 
 #include "DGCommon.h"
+
+/**
+ *  @defgroup MsgQueues MsgQueues
+ *  @brief Message queues service module. Provides message queue functionality
+ *  including support functions for adding and getting a message.
+ *
+ *  @addtogroup MsgQueues
+ *  @{
+ */
 
 // ********** public definitions **********
 
-#define MAX_MSG_PAYLOAD_SIZE          100         // bytes
-
+#define MAX_MSG_PAYLOAD_SIZE     100                    ///< Maximum message payload size in bytes.
+
+/// List of message queues.
 typedef enum Msg_Queues
 {
-    MSG_Q_IN = 0,
-    NUM_OF_MSG_QUEUES
+    MSG_Q_IN = 0,                                       ///< Incoming message queue
+    NUM_OF_MSG_QUEUES                                   ///< Number of message queues
 } MSG_QUEUE_T;
 
-#pragma pack(push,1)
+#pragma pack(push,1)
+/// Message header struct.
 typedef struct
 {
-    S16 seqNo;                                  // sequence # (and ACK required bit) of message
-    U16 msgID;                                  // ID of message
-    U08 payloadLen;                             // length of payload in bytes
+    S16 seqNo;                                          ///< Sequence number (and ACK required bit) of message
+    U16 msgID;                                          ///< ID of message
+    U08 payloadLen;                                     ///< Length of payload in bytes
 } MESSAGE_HEADER_T;
-
+
+/// Message struct.
 typedef struct
 {
-    MESSAGE_HEADER_T hdr;                       // message header
-    U08              payload[ MAX_MSG_PAYLOAD_SIZE ]; // message payload
+    MESSAGE_HEADER_T hdr;                               ///< Message header
+    U08              payload[ MAX_MSG_PAYLOAD_SIZE ];   ///< Message payload
 } MESSAGE_T;
-
+
+/// Message wrapper struct.
 typedef struct
 {
-    MESSAGE_T        msg;                       // message
-    U08              crc;                       // message CRC
+    MESSAGE_T        msg;                               ///< Message struct
+    U08              crc;                               ///< Message's crc
 } MESSAGE_WRAPPER_T;
 #pragma pack(pop)
 
-#define MESSAGE_OVERHEAD_SIZE   (sizeof(MESSAGE_HEADER_T) + sizeof(U08))
+#define MESSAGE_OVERHEAD_SIZE   (sizeof(MESSAGE_HEADER_T) + sizeof(U08))    ///< Message overhead size
 
 // ********** public function prototypes **********
 
@@ -62,5 +75,7 @@
 BOOL isMsgQueueFull( MSG_QUEUE_T queue );
 void blankMessage( MESSAGE_T *message );
 void blankMessageInWrapper( MESSAGE_WRAPPER_T *message );
+
+/**@}*/
 
 #endif