Index: denali.pro
===================================================================
diff -u -r1732e83d2a0308b9c706f37d6d7724a364bbff2a -r460df093c4475816fc25d6b4c3ebfc50424ccca3
--- denali.pro	(.../denali.pro)	(revision 1732e83d2a0308b9c706f37d6d7724a364bbff2a)
+++ denali.pro	(.../denali.pro)	(revision 460df093c4475816fc25d6b4c3ebfc50424ccca3)
@@ -1,6 +1,19 @@
 QT += widgets qml quick serialbus
 CONFIG += c++17 warn_on
 
+
+#CONFIG  += disable_crc
+#CONFIG  += disable_keepalive
+
+disable_crc {
+    message( *** IMPORTANT : DISABLED CRC CHECK *** )
+    DEFINES += DISABLE_CRC
+}
+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
@@ -16,7 +29,8 @@
     sources \
     sources/storage \
     sources/gui \
-    sources/canbus
+    sources/canbus \
+    sources/utility
 
 HEADERS += \
     sources/applicationcontroller.h \
@@ -36,7 +50,9 @@
     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/types.h
 
 SOURCES += \
     main.cpp \
@@ -55,7 +71,8 @@
     sources/maintimer.cpp \
     sources/storage/filehandler.cpp \
     sources/storage/logger.cpp \
-    sources/storage/settings.cpp
+    sources/storage/settings.cpp \
+    sources/utility/crc.cpp
 
 RESOURCES += \
     denali.qrc