Index: sources/canbus/messagebuilder.h
===================================================================
diff -u -r56d00a82669a7a2c00ab90109a89dbec8db27527 -r0e87420e50dd94c37eb25f289ef3262e0e45d7f4
--- sources/canbus/messagebuilder.h	(.../messagebuilder.h)	(revision 56d00a82669a7a2c00ab90109a89dbec8db27527)
+++ sources/canbus/messagebuilder.h	(.../messagebuilder.h)	(revision 0e87420e50dd94c37eb25f289ef3262e0e45d7f4)
@@ -1,6 +1,6 @@
 /*!
  *
- * Copyright (c) 2019-2019 Diality Inc. - All Rights Reserved.
+ * Copyright (c) 2019-2020 Diality Inc. - All Rights Reserved.
  * copyright
  *          THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM,
  *          IN PART OR IN WHOLE,
@@ -29,10 +29,10 @@
  * \details This class is handling the can message by building and striping it.
  *                                                                  \n
  * // -- CAN PAYLOAD STRUCTURE --                                   \n
- *   #0  #1  #2  #3  #4  #5  #6  #7                                 \n
- * +---+---+---+---+---+---+---+---+--.......--+                    \n
- * | A5| MsgId |Len|   Data    |CRC|..padding..|                    \n
- * +---+---+---+---+---+---+---+---+--.......--+                    \n
+ *   #0  #1  #2  #3  #4  #5  #6  #7  #8  #9                         \n
+ * +---+---+---+---+---+---+---+---+---+---+--.......--+            \n
+ * | A5| Seq#  | MsgId |Len|   Data    |CRC|..padding..|            \n
+ * +---+---+---+---+---+---+---+---+---+---+--.......--+            \n
  *                                                                  \n
  *  Header Frame:                                                   \n
  *  1 - CRC is last after payload                                   \n
@@ -52,15 +52,18 @@
     bool                _enableConsoleOut   = false;
 
     void                addSyncByte (      QByteArray &vPayload);
-    bool                addActionId (      QByteArray &vPayload, Gui::GuiActionType vAction)                           __attribute_warn_unused_result__;
-    bool                addData     (      QByteArray &vPayload, Gui::GuiActionType vAction, const QByteArray &vData)  __attribute_warn_unused_result__;
+    void                addSequence (QByteArray &vPayload, Sequence vSequence);
+    bool                addActionId (      QByteArray &vPayload, Gui::GuiActionType vAction)                                    __attribute_warn_unused_result__;
+    bool                addData     (      QByteArray &vPayload, Gui::GuiActionType vAction, const QByteArray &vData)           __attribute_warn_unused_result__;
     void                addCRC      (      QByteArray &vPayload);
     void                addPadding  (      QByteArray &vPayload);
 
     quint8              calcCRC     (const QByteArray &vData   );
-    bool                checkCRC    (const QByteArray &vData   , quint8 &vExpected, quint8 &vBeenRead);
+    bool                checkCRC    (const QByteArray &vData   , quint8 &vExpected, quint8 &vActual);
+    bool                checkCRC    (const Message    &vMessage);
 
     bool                hasSyncByte (      QByteArray &vPayload);
+    Sequence            getSequence (      QByteArray &vPayload);
     QByteArray          getHeader   (const QByteArray &vPayload);
     Gui::GuiActionType  getActionId (      QByteArray &vPayload);
     int                 getLength   (      QByteArray &vPayload);
@@ -73,12 +76,14 @@
     explicit MessageBuilder(QObject *parent = nullptr);
 
     // build message to be sent frame by frame
-    bool           buildFrames(Gui::GuiActionType vAction , const QByteArray &vData, FrameList &vFrameList)      __attribute_warn_unused_result__;
+    bool          buildFrames (Gui::GuiActionType vAction , const QByteArray &vData, FrameList &vFrameList, Sequence vSequence) __attribute_warn_unused_result__;
     // build message from received frames
-    bool          buildMessage(const QByteArray   &vPayload, Message &vMessage, Can_Id vCan_Id)             __attribute_warn_unused_result__;
+    bool          buildMessage(const QByteArray   &vPayload, Message &vMessage, Can_Id vCan_Id)                                 __attribute_warn_unused_result__;
 
-    void       enableConsoleOut(      bool          vEnabled) { _enableConsoleOut = vEnabled; }
+    void enableConsoleOut(bool vEnabled) { _enableConsoleOut = vEnabled; }
 
+
+
 signals:
 
 public slots: