diff --git a/aqhome/0BUILD b/aqhome/0BUILD
index 6dcdcaf..6eccb1f 100644
--- a/aqhome/0BUILD
+++ b/aqhome/0BUILD
@@ -43,7 +43,7 @@
     </setVar>
   
   
-    <headers dist="true" >
+    <headers dist="true" install="$(pkgincludedir)" >
       api.h
       aqhome.h
       serial.h
@@ -92,7 +92,13 @@
       msgendpointmanager.c
     </sources>
 
+    <subdirs>
+      nodes
+    </subdirs>
+
+
     <useTargets>
+      aqhnodes
     </useTargets>
 
     <libraries>
@@ -100,10 +106,6 @@
     </libraries>
 
 
-    <subdirs>
-    </subdirs>
-
-
     <extradist>
     </extradist>
 
diff --git a/aqhome/libtest.c b/aqhome/libtest.c
index 203a243..12ee904 100644
--- a/aqhome/libtest.c
+++ b/aqhome/libtest.c
@@ -404,7 +404,7 @@ int testEndpoints()
   AQH_MsgEndpointMgr_AddEndpoint(emgr, epLog);
 
   for (;;) {
-    DBG_INFO(AQH_LOGDOMAIN, "Next loop");
+    DBG_DEBUG(AQH_LOGDOMAIN, "Next loop");
     AQH_MsgEndpointMgr_LoopOnce(emgr);
   }
 
diff --git a/aqhome/msgendpoint.c b/aqhome/msgendpoint.c
index 9d9a2cb..003bf94 100644
--- a/aqhome/msgendpoint.c
+++ b/aqhome/msgendpoint.c
@@ -454,7 +454,7 @@ int _internalHandleReadable(AQH_MSG_ENDPOINT *ep)
   int len;
   int i;
 
-  DBG_INFO(AQH_LOGDOMAIN, "Reading from endpoint %s", AQH_MsgEndpoint_GetName(ep));
+  DBG_DEBUG(AQH_LOGDOMAIN, "Reading from endpoint %s", AQH_MsgEndpoint_GetName(ep));
   do {
     rv=read(ep->fd, buffer, sizeof(buffer));
   } while( (rv<0) && errno==EINTR);
@@ -519,7 +519,7 @@ int _internalHandleWritable(AQH_MSG_ENDPOINT *ep, AQH_MSG_ENDPOINT_MGR *emgr)
 {
   AQH_MSG *msg;
 
-  DBG_INFO(AQH_LOGDOMAIN, "Writing to endpoint %s", AQH_MsgEndpoint_GetName(ep));
+  DBG_DEBUG(AQH_LOGDOMAIN, "Writing to endpoint %s", AQH_MsgEndpoint_GetName(ep));
   msg=AQH_Msg_List_First(ep->sendMessageList);
   if (msg) {
     uint8_t pos;
diff --git a/aqhome/msgendpointmanager.c b/aqhome/msgendpointmanager.c
index 1c22a67..b8304f8 100644
--- a/aqhome/msgendpointmanager.c
+++ b/aqhome/msgendpointmanager.c
@@ -110,44 +110,44 @@ int _ioLoopOnce(AQH_MSG_ENDPOINT_MGR *emgr)
   tv.tv_sec=2;
   tv.tv_usec=0;
 
-  DBG_INFO(AQH_LOGDOMAIN, "Sampling sockets");
+  DBG_DEBUG(AQH_LOGDOMAIN, "Sampling sockets");
   ep=AQH_MsgEndpoint_List_First(emgr->endpointList);
   if (ep==NULL) {
     DBG_ERROR(AQH_LOGDOMAIN, "No endpoints.");
     return GWEN_ERROR_GENERIC;
   }
   while(ep) {
-    DBG_INFO(AQH_LOGDOMAIN, "- checking endpoint %s", AQH_MsgEndpoint_GetName(ep));
+    DBG_DEBUG(AQH_LOGDOMAIN, "- checking endpoint %s", AQH_MsgEndpoint_GetName(ep));
     if (!(AQH_MsgEndpoint_GetFlags(ep) & AQH_MSG_ENDPOINT_FLAGS_NOIO)) {
       int fd;
 
       fd=AQH_MsgEndpoint_GetReadFd(ep);
       if (fd>=0) {
-        DBG_INFO(AQH_LOGDOMAIN, "  - adding socket %d for read", fd);
+        DBG_DEBUG(AQH_LOGDOMAIN, "  - adding socket %d for read", fd);
         FD_SET(fd, &readSet);
         highestRdFd=(fd>highestRdFd)?fd:highestRdFd;
       }
 
       fd=AQH_MsgEndpoint_GetWriteFd(ep);
       if (fd>=0) {
-        DBG_INFO(AQH_LOGDOMAIN, "  - adding socket %d for write", fd);
+        DBG_DEBUG(AQH_LOGDOMAIN, "  - adding socket %d for write", fd);
         FD_SET(fd, &writeSet);
         highestWrFd=(fd>highestWrFd)?fd:highestWrFd;
       }
     }
     else {
-      DBG_INFO(AQH_LOGDOMAIN, "  - endpoint %s does not support IO", AQH_MsgEndpoint_GetName(ep));
+      DBG_DEBUG(AQH_LOGDOMAIN, "  - endpoint %s does not support IO", AQH_MsgEndpoint_GetName(ep));
     }
     ep=AQH_MsgEndpoint_List_Next(ep);
   }
 
-  DBG_INFO(AQH_LOGDOMAIN, "Calling select (highest read socket: %d, highest write socket: %d)", highestRdFd, highestWrFd);
+  DBG_DEBUG(AQH_LOGDOMAIN, "Calling select (highest read socket: %d, highest write socket: %d)", highestRdFd, highestWrFd);
   rv=select(((highestRdFd>highestWrFd)?highestRdFd:highestWrFd)+1,
             (highestRdFd<0)?NULL:&readSet,
             (highestWrFd<0)?NULL:&writeSet,
             NULL,
             &tv);
-  DBG_INFO(AQH_LOGDOMAIN, "Return from select (%d, %d=%s)", rv, (rv<0)?errno:0, (rv<0)?strerror(errno):"no error");
+  DBG_DEBUG(AQH_LOGDOMAIN, "Return from select (%d, %d=%s)", rv, (rv<0)?errno:0, (rv<0)?strerror(errno):"no error");
   if (rv<0) {
     if (errno!=EINTR) {
       DBG_ERROR(AQH_LOGDOMAIN, "Error on select");
@@ -156,11 +156,11 @@ int _ioLoopOnce(AQH_MSG_ENDPOINT_MGR *emgr)
   }
   else if (rv==0) {
     /* timeout */
-    DBG_INFO(AQH_LOGDOMAIN, "timeout");
+    DBG_DEBUG(AQH_LOGDOMAIN, "timeout");
     return GWEN_ERROR_TRY_AGAIN;
   }
   else if (rv) {
-    DBG_INFO(AQH_LOGDOMAIN, "Letting all endpoints handle IO");
+    DBG_DEBUG(AQH_LOGDOMAIN, "Letting all endpoints handle IO");
     ep=AQH_MsgEndpoint_List_First(emgr->endpointList);
     while(ep) {
       AQH_MSG_ENDPOINT *epNext;
@@ -170,19 +170,19 @@ int _ioLoopOnce(AQH_MSG_ENDPOINT_MGR *emgr)
       epNext=AQH_MsgEndpoint_List_Next(ep);
       fd=AQH_MsgEndpoint_GetFd(ep);
       if (fd!=-1 && FD_ISSET(fd, &readSet)) {
-        DBG_INFO(AQH_LOGDOMAIN, "- endpoint(%s): read", AQH_MsgEndpoint_GetName(ep));
+        DBG_DEBUG(AQH_LOGDOMAIN, "- endpoint(%s): read", AQH_MsgEndpoint_GetName(ep));
         rv=AQH_MsgEndpoint_HandleReadable(ep, emgr);
         if (rv<0 && rv!=GWEN_ERROR_TRY_AGAIN) {
-          DBG_INFO(AQH_LOGDOMAIN, "error, removing endpoint %s", AQH_MsgEndpoint_GetName(ep));
+          DBG_DEBUG(AQH_LOGDOMAIN, "error, removing endpoint %s", AQH_MsgEndpoint_GetName(ep));
           fd=-1;
           AQH_MsgEndpointMgr_DelEndpoint(emgr, ep);
         }
       }
       if (fd!=-1 && FD_ISSET(fd, &writeSet)) {
-        DBG_INFO(AQH_LOGDOMAIN, "- endpoint(%s): write", AQH_MsgEndpoint_GetName(ep));
+        DBG_DEBUG(AQH_LOGDOMAIN, "- endpoint(%s): write", AQH_MsgEndpoint_GetName(ep));
         rv=AQH_MsgEndpoint_HandleWritable(ep, emgr);
         if (rv<0 && rv!=GWEN_ERROR_TRY_AGAIN) {
-          DBG_INFO(AQH_LOGDOMAIN, "error, removing endpoint %s", AQH_MsgEndpoint_GetName(ep));
+          DBG_DEBUG(AQH_LOGDOMAIN, "error, removing endpoint %s", AQH_MsgEndpoint_GetName(ep));
           fd=-1;
           AQH_MsgEndpointMgr_DelEndpoint(emgr, ep);
         }
@@ -200,12 +200,12 @@ void _msgLoopOnce(AQH_MSG_ENDPOINT_MGR *emgr)
 {
   AQH_MSG_ENDPOINT *ep;
 
-  DBG_INFO(AQH_LOGDOMAIN, "Handle endpoint messages");
+  DBG_DEBUG(AQH_LOGDOMAIN, "Handle endpoint messages");
   ep=AQH_MsgEndpoint_List_First(emgr->endpointList);
   while(ep) {
     AQH_MSG *msg;
 
-    DBG_INFO(AQH_LOGDOMAIN, "- endpoint(%s)", AQH_MsgEndpoint_GetName(ep));
+    DBG_DEBUG(AQH_LOGDOMAIN, "- endpoint(%s)", AQH_MsgEndpoint_GetName(ep));
     while( (msg=AQH_MsgEndpoint_TakeFirstReceivedMessage(ep)) ) {
       uint32_t msgGroup;
 
@@ -216,12 +216,12 @@ void _msgLoopOnce(AQH_MSG_ENDPOINT_MGR *emgr)
       if (msgGroup & AQH_MSG_ENDPOINT_MSGGROUP_ADMIN) {
         if (!(AQH_MsgEndpoint_GetGroupId(ep) & AQH_MSG_ENDPOINT_ENDPOINTGROUP_BUS)) {
           /* only handle admin messages not from nodes */
-          DBG_INFO(AQH_LOGDOMAIN, "    - handling admin message");
+          DBG_DEBUG(AQH_LOGDOMAIN, "    - handling admin message");
           _handleAdminMsg(emgr, ep, msg);
         }
       }
       else {
-        DBG_INFO(AQH_LOGDOMAIN, "    - distributing message");
+        DBG_DEBUG(AQH_LOGDOMAIN, "    - distributing message");
         _distributeMsg(emgr, ep, msg);
       }
       AQH_Msg_free(msg);
@@ -237,13 +237,13 @@ void _runAllEndpoints(AQH_MSG_ENDPOINT_MGR *emgr)
 {
   AQH_MSG_ENDPOINT *ep;
 
-  DBG_INFO(AQH_LOGDOMAIN, "Running all endpoints");
+  DBG_DEBUG(AQH_LOGDOMAIN, "Running all endpoints");
   ep=AQH_MsgEndpoint_List_First(emgr->endpointList);
   while(ep) {
     AQH_MSG_ENDPOINT *next;
 
     next=AQH_MsgEndpoint_List_Next(ep);
-    DBG_INFO(AQH_LOGDOMAIN, "- running endpoint %s", AQH_MsgEndpoint_GetName(ep));
+    DBG_DEBUG(AQH_LOGDOMAIN, "- running endpoint %s", AQH_MsgEndpoint_GetName(ep));
     AQH_MsgEndpoint_Run(ep);
     ep=next;
   }
@@ -266,7 +266,7 @@ void _distributeMsg(AQH_MSG_ENDPOINT_MGR *emgr, AQH_MSG_ENDPOINT *srcEp, const A
       uint32_t acceptedGroupIds;
       uint32_t acceptedMsgGroups;
 
-      DBG_INFO(AQH_LOGDOMAIN, "- checking endpoint %s", AQH_MsgEndpoint_GetName(ep));
+      DBG_DEBUG(AQH_LOGDOMAIN, "- checking endpoint %s", AQH_MsgEndpoint_GetName(ep));
       acceptedGroupIds=AQH_MsgEndpoint_GetAcceptedMsgGroups(ep);
       acceptedMsgGroups=AQH_MsgEndpoint_GetAcceptedMsgGroups(ep);
 
@@ -276,11 +276,11 @@ void _distributeMsg(AQH_MSG_ENDPOINT_MGR *emgr, AQH_MSG_ENDPOINT *srcEp, const A
 	  (acceptedGroupIds & srcGroupId)
 	 ) {
 	/* endpoint accepts this message */
-        DBG_INFO(AQH_LOGDOMAIN, "  - endpoint %s accepts message", AQH_MsgEndpoint_GetName(ep));
+        DBG_DEBUG(AQH_LOGDOMAIN, "  - endpoint %s accepts message", AQH_MsgEndpoint_GetName(ep));
 	AQH_MsgEndpoint_AddSendMessage(ep, AQH_Msg_dup(msg));
       }
       else {
-        DBG_INFO(AQH_LOGDOMAIN, "  - endpoint %s does not accept message", AQH_MsgEndpoint_GetName(ep));
+        DBG_DEBUG(AQH_LOGDOMAIN, "  - endpoint %s does not accept message", AQH_MsgEndpoint_GetName(ep));
       }
     }
     ep=AQH_MsgEndpoint_List_Next(ep);
diff --git a/aqhome/nodes/0BUILD b/aqhome/nodes/0BUILD
new file mode 100644
index 0000000..9fe22c2
--- /dev/null
+++ b/aqhome/nodes/0BUILD
@@ -0,0 +1,83 @@
+<?xml?>
+
+<gwbuild>
+
+  <target type="ConvenienceLibrary" name="aqhnodes" >
+
+    <includes type="c" >
+      $(gwenhywfar_cflags)
+      -I$(topsrcdir)
+      -I$(topbuilddir)
+    </includes>
+  
+    <includes type="tm2" >
+      --include=$(builddir)
+      --include=$(srcdir)
+    </includes>
+
+
+    <define name="BUILDING_AQHOME" />
+
+    <setVar name="local/cflags">$(visibility_cflags)</setVar>
+
+  
+    <setVar name="tm2flags" >
+      --api=AQHOME_API
+    </setVar>
+
+    <setVar name="local/typefiles" >
+      nodeinfo.t2d
+    </setVar>
+  
+    <setVar name="local/built_sources" >
+      nodeinfo.c
+    </setVar>
+  
+    <setVar name="local/built_headers_pub">
+      nodeinfo.h
+    </setVar>
+  
+  
+    <setVar name="local/built_headers_priv" >
+      nodeinfo_p.h
+    </setVar>
+
+
+    <headers dist="false" install="$(pkgincludedir)/nodes" >
+      $(local/built_headers_pub)
+    </headers>
+  
+  
+    <headers dist="true" install="$(pkgincludedir)/nodes" >
+      nodedb.h
+    </headers>
+
+
+    <headers dist="true" >
+      nodedb_p.h
+    </headers>
+  
+  
+    <sources>
+      $(local/typefiles)
+
+      nodedb.c
+    </sources>
+
+
+    <extradist>
+    </extradist>
+
+
+    <useTargets>
+    </useTargets>
+
+    <subdirs>
+    </subdirs>
+
+  
+  
+
+  </target>
+  
+</gwbuild>
diff --git a/aqhome/nodes/nodedb.c b/aqhome/nodes/nodedb.c
new file mode 100644
index 0000000..b1b3b95
--- /dev/null
+++ b/aqhome/nodes/nodedb.c
@@ -0,0 +1,137 @@
+/****************************************************************************
+ * This file is part of the project AqHome.
+ * AqHome (c) by 2023 Martin Preuss, all rights reserved.
+ *
+ * The license for this file can be found in the file COPYING which you
+ * should have received along with this file.
+ ****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "aqhome/nodes/nodedb_p.h"
+
+#include <gwenhywfar/misc.h>
+#include <gwenhywfar/debug.h>
+
+
+
+
+AQH_NODE_DB *AQH_NodeDb_new()
+{
+  AQH_NODE_DB *ndb;
+
+  GWEN_NEW_OBJECT(AQH_NODE_DB, ndb);
+  ndb->nodeList=AQH_NodeInfo_List_new();
+  return ndb;
+}
+
+
+
+void AQH_NodeDb_free(AQH_NODE_DB *ndb)
+{
+  if (ndb) {
+    AQH_NodeInfo_List_free(ndb->nodeList);
+    GWEN_FREE_OBJECT(ndb);
+  }
+}
+
+
+
+AQH_NODE_INFO_LIST *AQH_NodeDb_GetAllNodeInfos(AQH_NODE_DB *ndb)
+{
+  return ndb->nodeList;
+}
+
+
+
+int AQH_NodeDb_AddNodeInfo(AQH_NODE_DB *ndb, AQH_NODE_INFO *ni)
+{
+  uint32_t uid;
+  uint8_t busAddr;
+
+  uid=AQH_NodeInfo_GetUid(ni);
+  if (uid==0) {
+    DBG_ERROR(AQH_LOGDOMAIN, "Not adding node without UID");
+    return GWEN_ERROR_INVALID;
+  }
+  if (AQH_NodeDb_GetNodeInfoByUid(ndb, uid)) {
+    DBG_ERROR(AQH_LOGDOMAIN, "A node with the given UID \"%08x\" already exists", (unsigned int) uid);
+    return GWEN_ERROR_INVALID;
+  }
+
+  busAddr=AQH_NodeInfo_GetBusAddress(ni);
+  if (busAddr==0) {
+    DBG_ERROR(AQH_LOGDOMAIN, "Not adding node without BUSADDR");
+    return GWEN_ERROR_INVALID;
+  }
+  if (AQH_NodeDb_GetNodeInfoByBusAddr(ndb, busAddr)) {
+    DBG_ERROR(AQH_LOGDOMAIN, "A node with the given BUSADDR \"%02x\" already exists", busAddr);
+    return GWEN_ERROR_INVALID;
+  }
+
+  DBG_INFO(AQH_LOGDOMAIN, "Adding node UID=%08x BUSADDR=%02x", (unsigned int) uid, busAddr);
+  AQH_NodeInfo_List_Add(ni, ndb->nodeList);
+  return 0;
+}
+
+
+
+AQH_NODE_INFO *AQH_NodeDb_GetNodeInfoByBusAddr(AQH_NODE_DB *ndb, uint8_t busAddr)
+{
+  AQH_NODE_INFO *ni;
+
+  ni=AQH_NodeInfo_List_First(ndb->nodeList);
+  while(ni) {
+    if (busAddr==0 || busAddr==AQH_NodeInfo_GetBusAddress(ni))
+      return ni;
+    ni=AQH_NodeInfo_List_Next(ni);
+  }
+
+  return NULL;
+}
+
+
+
+AQH_NODE_INFO *AQH_NodeDb_GetNodeInfoByUid(AQH_NODE_DB *ndb, uint32_t uid)
+{
+  AQH_NODE_INFO *ni;
+
+  ni=AQH_NodeInfo_List_First(ndb->nodeList);
+  while(ni) {
+    if (uid==0 || uid==AQH_NodeInfo_GetUid(ni))
+      return ni;
+    ni=AQH_NodeInfo_List_Next(ni);
+  }
+
+  return NULL;
+}
+
+
+
+AQH_NODE_INFO_LIST *AQH_NodeDb_GetNodeInfosByNodeType(AQH_NODE_DB *ndb, int t)
+{
+  AQH_NODE_INFO_LIST *resultList;
+  AQH_NODE_INFO *ni;
+
+  resultList=AQH_NodeInfo_List_new();
+  ni=AQH_NodeInfo_List_First(ndb->nodeList);
+  while(ni) {
+    if (t==0 || t==AQH_NodeInfo_GetNodeType(ni))
+      AQH_NodeInfo_List_Add(AQH_NodeInfo_dup(ni), resultList);
+    ni=AQH_NodeInfo_List_Next(ni);
+  }
+
+  if (AQH_NodeInfo_List_GetCount(resultList)<1) {
+    AQH_NodeInfo_List_free(resultList);
+    return NULL;
+  }
+
+  return resultList;
+}
+
+
+
+
+
diff --git a/aqhome/nodes/nodedb.h b/aqhome/nodes/nodedb.h
new file mode 100644
index 0000000..5076548
--- /dev/null
+++ b/aqhome/nodes/nodedb.h
@@ -0,0 +1,35 @@
+/****************************************************************************
+ * This file is part of the project AqHome.
+ * AqHome (c) by 2023 Martin Preuss, all rights reserved.
+ *
+ * The license for this file can be found in the file COPYING which you
+ * should have received along with this file.
+ ****************************************************************************/
+
+#ifndef AQH_NODEDB_H
+#define AQH_NODEDB_H
+
+
+#include <aqhome/api.h>
+#include <aqhome/nodes/nodeinfo.h>
+
+#include <inttypes.h>
+
+
+typedef struct AQH_NODE_DB AQH_NODE_DB;
+
+
+AQHOME_API AQH_NODE_DB *AQH_NodeDb_new();
+AQHOME_API void AQH_NodeDb_free(AQH_NODE_DB *ndb);
+
+AQHOME_API AQH_NODE_INFO_LIST *AQH_NodeDb_GetAllNodeInfos(AQH_NODE_DB *ndb);
+AQHOME_API int AQH_NodeDb_AddNodeInfo(AQH_NODE_DB *ndb, AQH_NODE_INFO *ni);
+
+AQHOME_API AQH_NODE_INFO *AQH_NodeDb_GetNodeInfoByBusAddr(AQH_NODE_DB *ndb, uint8_t busAddr);
+AQHOME_API AQH_NODE_INFO *AQH_NodeDb_GetNodeInfoByUid(AQH_NODE_DB *ndb, uint32_t uid);
+AQHOME_API AQH_NODE_INFO_LIST *AQH_NodeDb_GetNodeInfosByNodeType(AQH_NODE_DB *ndb, int t);
+
+
+
+#endif
+
diff --git a/aqhome/nodes/nodedb_p.h b/aqhome/nodes/nodedb_p.h
new file mode 100644
index 0000000..ab678e1
--- /dev/null
+++ b/aqhome/nodes/nodedb_p.h
@@ -0,0 +1,23 @@
+/****************************************************************************
+ * This file is part of the project AqHome.
+ * AqHome (c) by 2023 Martin Preuss, all rights reserved.
+ *
+ * The license for this file can be found in the file COPYING which you
+ * should have received along with this file.
+ ****************************************************************************/
+
+#ifndef AQH_NODEDB_P_H
+#define AQH_NODEDB_P_H
+
+
+#include "aqhome/nodes/nodedb.h"
+
+
+struct AQH_NODE_DB {
+  AQH_NODE_INFO_LIST *nodeList;
+
+};
+
+
+#endif
+
diff --git a/aqhome/nodes/nodeinfo.t2d b/aqhome/nodes/nodeinfo.t2d
new file mode 100644
index 0000000..6b55043
--- /dev/null
+++ b/aqhome/nodes/nodeinfo.t2d
@@ -0,0 +1,73 @@
+<?xml?>
+
+<tm2>
+  <type id="AQH_NODE_INFO" type="pointer">
+    <descr>
+    </descr>
+    <lang id="c">
+      <identifier>AQH_NODE_INFO</identifier>
+      <prefix>AQH_NodeInfo</prefix>
+      <baseFileName>nodeinfo</baseFileName>
+      
+      <flags>
+        with_xml
+        with_db
+        with_list1
+        with_list2
+      </flags>
+      
+      <headers>
+        <header type="sys" loc="pre">aqhome/api.h</header>
+      </headers>
+
+      <inlines>
+      </inlines>
+
+
+
+    </lang>
+
+
+    <members>
+  
+      <member name="busAddress" type="uint8_t" maxlen="8">
+        <default>0</default>
+        <preset>0</preset>
+        <flags>sortByMember</flags>
+        <access>public</access>
+      </member>
+
+      <member name="uid" type="uint32_t" maxlen="8">
+        <default>0</default>
+        <preset>0</preset>
+        <access>public</access>
+        <flags></flags>
+      </member>
+
+      <member name="nodeType" type="int" maxlen="8">
+        <default>0</default>
+        <preset>0</preset>
+        <access>public</access>
+        <flags></flags>
+      </member>
+
+      <member name="baseSystemVersion" type="uint32_t" maxlen="8">
+        <default>0</default>
+        <preset>0</preset>
+        <access>public</access>
+        <flags></flags>
+      </member>
+
+      <member name="mainSystemVersion" type="uint32_t" maxlen="8">
+        <default>0</default>
+        <preset>0</preset>
+        <access>public</access>
+        <flags></flags>
+      </member>
+
+    </members>
+    
+  </type>
+  
+</tm2>
+