Index: sources/canbus/frameinterface.h
===================================================================
diff -u -r56d00a82669a7a2c00ab90109a89dbec8db27527 -r805119c460b4a266d6401c8705f4427e7fbe270f
--- sources/canbus/frameinterface.h	(.../frameinterface.h)	(revision 56d00a82669a7a2c00ab90109a89dbec8db27527)
+++ sources/canbus/frameinterface.h	(.../frameinterface.h)	(revision 805119c460b4a266d6401c8705f4427e7fbe270f)
@@ -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,
@@ -26,6 +26,7 @@
 
 // forward declarations
 class tst_canbus;
+class tst_acknow;
 
 // namespace
 namespace Can {
@@ -43,6 +44,7 @@
 
     // friends
     friend class ::tst_canbus;
+    friend class ::tst_acknow;
 
     /*!
      * \brief   The ChannelGroup enum
@@ -78,7 +80,7 @@
     ChannelGroup checkChannel(quint32 vFrameId, bool *vOK = nullptr);
 
 private slots: // Should be private for thread safety and is connected internally.
-    void  onFrameTransmit(Can_Id vCan_ID, const QByteArray   &vData   ); // GUI => CAN
+    void  onFrameTransmit(Can_Id vCan_Id, const QByteArray   &vData   ); // GUI => CAN
     void  onFrameReceive (                const QCanBusFrame &vFrame  ); // GUI <= CAN
 
 signals:
@@ -91,7 +93,7 @@
      *          and vPayload of the frame of type QByteArray has been extracted,
      *          This signal will be emitted to notify MessageDispatcher to start collecting data
      *          for this message over this channel.
-     * \param   vCan_ID  - Channel Id of the frame.
+     * \param   vCan_Id  - Channel Id of the frame.
      * \param   vPayload - Payload of the frame.
      */
     void didFrameReceive (Can_Id vCan_Id, const QByteArray   &vPayload); // GUI <= CAN