Index: sources/cloudsync/CloudSyncController.h
===================================================================
diff -u -r9363dbc93c2be5d664c0ca2a565d8206679d9bf3 -r472c10e72a8d278f13d2343f9c81c1def14490ff
--- sources/cloudsync/CloudSyncController.h	(.../CloudSyncController.h)	(revision 9363dbc93c2be5d664c0ca2a565d8206679d9bf3)
+++ sources/cloudsync/CloudSyncController.h	(.../CloudSyncController.h)	(revision 472c10e72a8d278f13d2343f9c81c1def14490ff)
@@ -33,6 +33,94 @@
 /*!
  * \brief   The CloudSyncController class
  * \details Singleton class which is the main gateway of CloudSync signal/slots.
+ * \startuml
+ * title    CloudSync Buff communication protocol
+ *     participant HD
+ *     queue       CAN
+ *     database    FS
+ *     participant UI
+ *     database    BUF
+ *     participant CS
+ *     participant DRT
+ *     participant DCS
+ *
+ * skinparam sequenceMessageAlign left
+ *
+ * === - Manufacturing - ===
+ * == CMDx1 - Registration ==
+ *     UI  -> BUF  : log:\n[1001] Registration Request
+ *     BUF -> CS   : notify
+ *     CS  -> DRT  :
+ *     DRT -> DCS  :
+ *     DCS -> DRT  : DONE
+ *     DCS -> CS   : DONE
+ *
+ * == CMDx3 - Credentials - Save ==
+ *     DCS -> CS   : credentials
+ *     CS  -> FS   : write:\n - path_to_client_certificate_pem,\n - client_private_key_pem\n - client_public_key_pem
+ *     CS  -> BUF  : log:\n[2003] Credentials Store Request\n - path_to_client_certificate_pem\n - path_to_client_private_key_pem\n - path_to_client_public_key_pem
+ *     BUF -> UI   : notify
+ *     UI  -> FS   : write:\nStore it in the encrypted partition
+ *     UI  -> BUF  : log:\n[1003] Credentials Store Response
+ *
+ * == CMDx4 - Credentials - Read ==
+ *     CS  -> DCS  : start a Session
+ *     DCS -> CS   : authentication request
+ *     CS  -> BUF  : log:\n[2004] Credentials Read Request
+ *     BUF -> UI   : notify
+ *     UI  -> FS   : copy credentials on tmp
+ *     UI  -> BUF  : log:\n[1004] Credentials Read Response\n - path_to_credentials
+ *     BUF -> CS   : notify
+ *     CS  -> FS   : read credentials
+ *     CS  -> DCS  : authentication response
+ *
+ * == CMDx5 - Factory Reset ==
+ *     DCS -> CS   : Registration Complete
+ *     CS  -> BUF  : log:\n[2005] Factory Reset Request
+ *     BUF -> UI   : notify
+ *     UI  -> FS   : factory reset: clear the related information from the system.
+ *     UI  -> BUF  : log:\n[1002] Factory Reset Response
+ *     BUF -> CS   : notify
+ *
+ * === - Normal Operation - ===
+ *
+ * == CMDx7 - Send Treatment Report ==
+ *     CS  -> BUF  : log:\n[2002] Device Info Request
+ *     BUF -> UI   : notify
+ *     UI  -> BUF  : log:\n[1002] Device Info Response \n - HD Serial\n - DG Serial\n - SW Version
+ *     BUF -> CS   : notify
+ *
+ * == CMDx6 - Device State ==
+ *     CS  -> BUF  : log:\n[2006] Device State Request
+ *     HD  -> CAN  : msg:\n[0x37] Device State Broadcast
+ *     CAN -> UI   : notify
+ *     UI  -> BUF  : log:\n[1006] Device State (Top History)\n - HD Op-Mode\n - HD Sub-Mode
+ *     BUF -> CS   : notify
+ *     CS  -> BUF  : read:\n[1002] Device State
+ *     CS  -> DCS  :
+ *
+ * == CMDx7 - Send Tx Report ==
+ *
+ * == CMDx8 - Tx Code Display ==
+ *
+ * \enduml
+ *
+ * \startuml
+ * title "Device Management flow"
+ *
+ * actor       User
+ * database    System
+ *
+ * user                -> qml              : set vATTRIBUTE
+ * qml                 -> VDevice          : vATTRIBUTE##Request
+ * VDevice             -> DeviceController : didAttributeRequest \n(cosnt Device##vATTRIBUTE##RequestData &)
+ * DeviceController    -> Script           :  onAttributeRequest \n(const Device##vATTRIBUTE##RequestData &)
+ * Script              -> system           :
+ * system              -> Script
+ *
+ * \enduml
+ *
+
  */
 class CloudSyncController : public QObject {
     Q_OBJECT