Index: sources/canbus/MessageInterpreter.cpp
===================================================================
diff -u -r2f0d1d22a15f0ddb459c6527b4746439f66bfe1b -rb22dd46db3def5d3c36d36c319f0bea89bf018d9
--- sources/canbus/MessageInterpreter.cpp	(.../MessageInterpreter.cpp)	(revision 2f0d1d22a15f0ddb459c6527b4746439f66bfe1b)
+++ sources/canbus/MessageInterpreter.cpp	(.../MessageInterpreter.cpp)	(revision b22dd46db3def5d3c36d36c319f0bea89bf018d9)
@@ -169,7 +169,8 @@
  */
 void MessageInterpreter::printUnhandled(const Message &vMessage) const
 {
-    if ( gDisableUnhandledReport ) return;
+    if ( logUnhandledMessage(vMessage)) return;
+    if ( gDisableUnhandledReport      ) return;
     QString mActionIdHexString = Format::toHexString(vMessage.actionId, false, eLenMessageIDDigits);
     QString logMessage = tr("Unhandled Message ID (HD)") + '\n' +
                          QString("%1 # %2   %3")
@@ -521,10 +522,7 @@
 
     // unhandled messages: these will only be logged as received message
     // there has nothing been defined for these messages.
-    default:
-        printUnhandled           (vMessage);
-        break;
-
+    default                                                 : printUnhandled(vMessage); break;
     }
 
     return ok;
@@ -608,3 +606,69 @@
 
     return ok;
 }
+
+/*!
+ * \brief   MessageInterpreter::logUnhandledMessage
+ * \details Search in the list of the unhandled messages and tries to extract the data and log it.
+ * \param   vMessage - the received message.
+ * \return  true if the message data can be extracted and logged.
+ */
+bool MessageInterpreter::logUnhandledMessage(const Message &vMessage) const {
+    bool ok = false;
+    quint16 id = vMessage.actionId;
+    if (_messageList.contains(id)) {
+        ok = true;
+        QStringList items = _messageList[id];
+        QString logString;
+        int index = 0;
+        for ( int i = 0; i < items.count(); i++ ) {
+            QString item = items[i];
+            if (i == 0) {
+                switch (identifySource(vMessage.can_id)) {
+                case Can_Source::eCan_HD: logString = "HD,~" + item; break;
+                case Can_Source::eCan_DG: logString = "DG,~" + item; break;
+                default                 : logString = "XX,~" + item; break;
+                }
+            }
+            else {
+                if ( item == "F32" ) {
+                    Types::F32 param;
+                    if (! GetValue(vMessage.data, index, param ))   logString += ",?";
+                    else                                            logString += "," + QString::number(param.value);
+                } else
+                if ( item == "S32" ) {
+                    Types::S32 param;
+                    if (! GetValue(vMessage.data, index, param ))   logString += ",?";
+                    else                                            logString += "," + QString::number(param.value);
+                } else
+                if ( item == "U32" ) {
+                    Types::U32 param;
+                    if (! GetValue(vMessage.data, index, param ))   logString += ",?";
+                    else                                            logString += "," + QString::number(param.value);
+                } else
+                if ( item == "S16" ) {
+                    Types::S16 param;
+                    if (! GetValue(vMessage.data, index, param ))   logString += ",?";
+                    else                                            logString += "," + QString::number(param.value);
+                } else
+                if ( item == "U16" ) {
+                    Types::U16 param;
+                    if (! GetValue(vMessage.data, index, param ))   logString += ",?";
+                    else                                            logString += "," + QString::number(param.value);
+                } else
+                if ( item == "S08" ) {
+                    Types::S08 param;
+                    if (! GetValue(vMessage.data, index, param ))   logString += ",?";
+                    else                                            logString += "," + QString::number(param.value);
+                } else
+                if ( item == "U08" ) {
+                    Types::U08 param;
+                    if (! GetValue(vMessage.data, index, param ))   logString += ",?";
+                    else                                            logString += "," + QString::number(param.value);
+                }
+            }
+        }
+        LOG_DATUM(logString);
+    }
+    return ok;
+}