Feature/bacnet secure connect hub (#818)

* Added BACnet Secure Connect datalink.

* Added BACnet/SC hub application
---------

Co-authored-by: Kirill Neznamov <kirill.neznamov@dsr-corporation.com>
Co-authored-by: Mikhail Antropov <michail.antropov@dsr-corporation.com>
Co-authored-by: Ondřej Hruška <ondra@ondrovo.com>
Co-authored-by: Patrick Grimm <patrick@lunatiki.de>

src/bacnet/bacapp.h

@@ -29,6 +29,7 @@
 #include "bacnet/calendar_entry.h"
 #include "bacnet/special_event.h"
 #include "bacnet/channel_value.h"
+#include "bacnet/secure_connect.h"
 
 #ifndef BACAPP_PRINT_ENABLED
 #if PRINT_ENABLED
@@ -167,6 +168,12 @@ typedef struct BACnet_Application_Data_Value {
 #endif
 #if defined(BACAPP_CHANNEL_VALUE)
         BACNET_CHANNEL_VALUE Channel_Value;
+#endif
+#if defined(BACAPP_SECURE_CONNECT)
+        BACNET_SC_FAILED_CONNECTION_REQUEST SC_Failed_Req;
+        BACNET_SC_HUB_FUNCTION_CONNECTION_STATUS SC_Hub_Function_Status;
+        BACNET_SC_DIRECT_CONNECTION_STATUS SC_Direct_Status;
+        BACNET_SC_HUB_CONNECTION_STATUS SC_Hub_Status;
 #endif
     } type;
     /* simple linked list if needed */