Index: sources/canbus/messageglobals.h
===================================================================
diff -u -r68fe14b0d2f0e79d03c95cc0dfff5b47948b6d5b -rb2ebb6f71cf9b0c2ba68a47776e5b220b165b21c
--- sources/canbus/messageglobals.h	(.../messageglobals.h)	(revision 68fe14b0d2f0e79d03c95cc0dfff5b47948b6d5b)
+++ sources/canbus/messageglobals.h	(.../messageglobals.h)	(revision b2ebb6f71cf9b0c2ba68a47776e5b220b165b21c)
@@ -13,22 +13,36 @@
  */
 #pragma once
 
+// Qt
+#include <QHash>
+
+// Project
 #include "guiactions.h"
 
 namespace Can {
-namespace Message {
 
+/*!
+ * \brief Payload Length
+ * \details List of each action acceptable data length in the whole message packet.
+ */
 const QHash<Gui::GuiActionType ,quint8> payloadLen {
-    {Gui::GuiActionType::PowerOff,   255},
+    {Gui::GuiActionType::PowerOff,   1},
     {Gui::GuiActionType::Check_In,   0}
 };
 
-// constants
+/*!
+ * \brief The Payload_Data enum
+ * \details Global information for message packet.
+ */
 enum Payload_Data   : quint8 {
     ePayload_None   = 0x00,
     ePayload_Sync   = 0xA5,
 };
 
+/*!
+ * \brief The Frame_Data enum
+ * \details Global information for each message frame.
+ */
 enum Frame_Data : quint8 {
     eLenCanFrame        =   8,
     eLenMaxHeaderData   =   3,
@@ -39,7 +53,10 @@
     eLenLength          =   1,
 
 };
-
+/*!
+ * \brief The Can_Id enum
+ * \details The Valid Can Bus Message Id of each frame
+ */
 enum Can_Id : quint16 {
     // Broadcasts
     //// Alarm
@@ -64,5 +81,20 @@
     eChlid_UI_DG    = eChlid_UI_Sync , ///< No direct channel has been defined between DG&UI, May be required for logging
 
 };
+
+/*!
+ * \brief The Message struct
+ * \details The message structure after it's been glued together.
+ */
+struct Message {
+    quint8        length;
+    Gui::GuiActionType actionId;
+    QByteArray    data;
+
+    bool isComplete() { return data.length() == length; }
+    bool isEmpty   () { return data.length() == 0     ; }
+};
+typedef QList<Message> MessageList;
+
 }
-}
+