Index: denali.pro
===================================================================
diff -u -rf623529d6ec25b555f3ac2248d71fc2b5e7063d6 -r188d7611230946fc5fde4e3e837a09202dd93eea
--- denali.pro	(.../denali.pro)	(revision f623529d6ec25b555f3ac2248d71fc2b5e7063d6)
+++ denali.pro	(.../denali.pro)	(revision 188d7611230946fc5fde4e3e837a09202dd93eea)
@@ -1,6 +1,19 @@
 QT += widgets qml quick serialbus
 CONFIG += c++17 warn_on
+QMAKE_CXXFLAGS += -Wall -Werror
 
+#CONFIG  += disable_crc
+disable_crc {
+    message( *** IMPORTANT : DISABLED CRC CHECK *** )
+    DEFINES += DISABLE_CRC
+}
+
+#CONFIG  += disable_keepalive
+disable_keepalive {
+    message( *** IMPORTANT : DISABLED KEEP ALIVE  *** )
+    DEFINES += DISABLE_KEEP_ALIVE
+}
+
 # The following define makes your compiler emit warnings if you use
 # any Qt feature that has been marked deprecated (the exact warnings
 # depend on your compiler). Refer to the documentation for the
@@ -16,41 +29,53 @@
     sources \
     sources/storage \
     sources/gui \
-    sources/canbus
+    sources/canbus \
+    sources/utility
 
 HEADERS += \
     sources/applicationcontroller.h \
     sources/applicationpost.h \
     sources/canbus/caninterface.h \
-    sources/canbus/messagehandler.h \
+    sources/canbus/frameinterface.h \
+    sources/canbus/messagebuilder.h \
+    sources/canbus/messagedispatcher.h \
+    sources/canbus/messageglobals.h \
+    sources/canbus/messageinterpreter.h \
     sources/configuration/display.h \
     sources/configuration/sound.h \
-    sources/gui/guiactions.h \
     sources/gui/guiglobals.h \
     sources/gui/guiview.h \
     sources/gui/guicontroller.h \
     sources/main.h \
     sources/maintimer.h \
     sources/storage/filehandler.h \
     sources/storage/logger.h \
-    sources/storage/settings.h
+    sources/storage/settings.h \
+    sources/utility/crc.h \
+    sources/utility/format.h \
+    sources/utility/types.h
 
 SOURCES += \
-        main.cpp \
-        sources/applicationcontroller.cpp \
-        sources/applicationpost.cpp \
-        sources/canbus/caninterface.cpp \
-        sources/canbus/messagehandler.cpp \
-        sources/configuration/display.cpp \
-        sources/configuration/sound.cpp \
-        sources/gui/guiactions.cpp \
-        sources/gui/guiglobals.cpp \
-        sources/gui/guiview.cpp \
-        sources/gui/guicontroller.cpp \
-        sources/maintimer.cpp \
-        sources/storage/filehandler.cpp \
-        sources/storage/logger.cpp \
-        sources/storage/settings.cpp
+    main.cpp \
+    sources/applicationcontroller.cpp \
+    sources/applicationpost.cpp \
+    sources/canbus/caninterface.cpp \
+    sources/canbus/frameinterface.cpp \
+    sources/canbus/messagebuilder.cpp \
+    sources/canbus/messagedispatcher.cpp \
+    sources/canbus/messageinterpreter.cpp \
+    sources/configuration/display.cpp \
+    sources/configuration/sound.cpp \
+    sources/gui/guiglobals.cpp \
+    sources/gui/guiview.cpp \
+    sources/gui/guicontroller.cpp \
+    sources/maintimer.cpp \
+    sources/storage/filehandler.cpp \
+    sources/storage/logger.cpp \
+    sources/storage/settings.cpp \
+    sources/utility/crc.cpp \
+    sources/utility/format.cpp \
+    sources/utility/types.cpp
 
 RESOURCES += \
     denali.qrc
@@ -68,22 +93,24 @@
     COVERAGE_OPTIONS += --cs-exclude-file-regex=ui_.*
     COVERAGE_OPTIONS += --cs-exclude-file-regex=moc_.*
     COVERAGE_OPTIONS += --cs-exclude-file-regex=main.cpp
-    COVERAGE_OPTIONS += --cs-exclude-file-regex=unittests.*
     COVERAGE_OPTIONS += --cs-exclude-file-regex=qmlcache*
+    COVERAGE_OPTIONS += --cs-exclude-file-regex=tst_*
 
     QMAKE_CFLAGS   += $$COVERAGE_OPTIONS
     QMAKE_CXXFLAGS += $$COVERAGE_OPTIONS
     QMAKE_LFLAGS   += $$COVERAGE_OPTIONS
 }
 
-testcase {
-    message(Building with QtTest)
+tst_canbus {
+    message(Building with QtTest test case canbus)
     QT      += testlib
-    DEFINES += UNIT_TEST
+    DEFINES += UNIT_TEST \
+        TEST_CLASS_INCLUDE=\\\"unittests/tst_canbus.h\\\" \
+        TEST_CLASS_NAME=tst_canbus
     HEADERS += \
-        unittests/unittests.h
-    SOURCES += \
-        unittests/unittests.cpp
+        unittests/tst_canbus.h
+    SOURCES +=  \
+        unittests/tst_canbus.cpp
 }
 
 # Additional import path used to resolve QML modules in Qt Creator's code model