diff --git a/.cproject b/.cproject
index a57d2b0..1627e0b 100644
--- a/.cproject
+++ b/.cproject
@@ -27,7 +27,7 @@
 							<option id="ilg.gnuarmeclipse.managedbuild.cross.option.debugging.format.1959890047" name="Debug format" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.debugging.format" useByScannerDiscovery="true"/>
 							<option id="ilg.gnuarmeclipse.managedbuild.cross.option.toolchain.name.606808162" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.toolchain.name" useByScannerDiscovery="false" value="GNU Tools for ARM Embedded Processors" valueType="string"/>
 							<option id="ilg.gnuarmeclipse.managedbuild.cross.option.architecture.355585421" name="Architecture" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.architecture" useByScannerDiscovery="false" value="ilg.gnuarmeclipse.managedbuild.cross.option.architecture.arm" valueType="enumerated"/>
-							<option id="ilg.gnuarmeclipse.managedbuild.cross.option.arm.target.family.1992692312" name="ARM family" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.arm.target.family" useByScannerDiscovery="false" value="ilg.gnuarmeclipse.managedbuild.cross.option.arm.target.mcpu.cortex-m4" valueType="enumerated"/>
+							<option id="ilg.gnuarmeclipse.managedbuild.cross.option.arm.target.family.1992692312" name="ARM family (-mcpu)" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.arm.target.family" useByScannerDiscovery="false" value="ilg.gnuarmeclipse.managedbuild.cross.option.arm.target.mcpu.cortex-m4" valueType="enumerated"/>
 							<option id="ilg.gnuarmeclipse.managedbuild.cross.option.arm.target.instructionset.203230960" name="Instruction set" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.arm.target.instructionset" useByScannerDiscovery="false" value="ilg.gnuarmeclipse.managedbuild.cross.option.arm.target.instructionset.thumb" valueType="enumerated"/>
 							<option id="ilg.gnuarmeclipse.managedbuild.cross.option.command.prefix.2009350133" name="Prefix" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.command.prefix" useByScannerDiscovery="false" value="arm-none-eabi-" valueType="string"/>
 							<option id="ilg.gnuarmeclipse.managedbuild.cross.option.command.c.529320578" name="C compiler" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.command.c" useByScannerDiscovery="false" value="gcc" valueType="string"/>
@@ -56,7 +56,7 @@
 							<builder autoBuildTarget="all" buildPath="${workspace_loc:/TNC3-firmware}/ARM Debug" cleanBuildTarget="clean" command="${cross_make}" enableAutoBuild="true" id="org.eclipse.cdt.build.core.internal.builder.1584568207" incrementalBuildTarget="all" keepEnvironmentInBuildfile="false" managedBuildOn="true" name="CDT Internal Builder" parallelBuildOn="false" superClass="org.eclipse.cdt.build.core.internal.builder"/>
 							<tool id="ilg.gnuarmeclipse.managedbuild.cross.tool.assembler.1401064567" name="GNU ARM Cross Assembler" superClass="ilg.gnuarmeclipse.managedbuild.cross.tool.assembler">
 								<option id="ilg.gnuarmeclipse.managedbuild.cross.option.assembler.usepreprocessor.33292167" name="Use preprocessor" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.assembler.usepreprocessor" useByScannerDiscovery="false" value="true" valueType="boolean"/>
-								<option id="ilg.gnuarmeclipse.managedbuild.cross.option.assembler.include.paths.685185658" name="Include paths (-I)" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.assembler.include.paths" useByScannerDiscovery="true" valueType="includePath">
+								<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="ilg.gnuarmeclipse.managedbuild.cross.option.assembler.include.paths.685185658" name="Include paths (-I)" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.assembler.include.paths" useByScannerDiscovery="true" valueType="includePath">
 									<listOptionValue builtIn="false" value="/usr/arm-none-eabi/include"/>
 									<listOptionValue builtIn="false" value="../Inc"/>
 									<listOptionValue builtIn="false" value="../Drivers/STM32L4xx_HAL_Driver/Inc"/>
@@ -69,7 +69,7 @@
 									<listOptionValue builtIn="false" value="../Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Inc/"/>
 									<listOptionValue builtIn="false" value="../Middlewares/ST/STM32_USB_Device_Library/Core/Inc"/>
 								</option>
-								<option id="ilg.gnuarmeclipse.managedbuild.cross.option.assembler.defs.2108011045" name="Defined symbols (-D)" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.assembler.defs" useByScannerDiscovery="true" valueType="definedSymbols">
+								<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="ilg.gnuarmeclipse.managedbuild.cross.option.assembler.defs.2108011045" name="Defined symbols (-D)" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.assembler.defs" useByScannerDiscovery="true" valueType="definedSymbols">
 									<listOptionValue builtIn="false" value="__FPU_PRESENT=1"/>
 									<listOptionValue builtIn="false" value="USE_HAL_DRIVER"/>
 									<listOptionValue builtIn="false" value="ARM_MATH_CM4"/>
@@ -80,7 +80,7 @@
 								<inputType id="ilg.gnuarmeclipse.managedbuild.cross.tool.assembler.input.820649784" superClass="ilg.gnuarmeclipse.managedbuild.cross.tool.assembler.input"/>
 							</tool>
 							<tool id="ilg.gnuarmeclipse.managedbuild.cross.tool.c.compiler.1175769653" name="GNU ARM Cross C Compiler" superClass="ilg.gnuarmeclipse.managedbuild.cross.tool.c.compiler">
-								<option id="ilg.gnuarmeclipse.managedbuild.cross.option.c.compiler.include.paths.377832116" name="Include paths (-I)" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.c.compiler.include.paths" useByScannerDiscovery="true" valueType="includePath">
+								<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="ilg.gnuarmeclipse.managedbuild.cross.option.c.compiler.include.paths.377832116" name="Include paths (-I)" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.c.compiler.include.paths" useByScannerDiscovery="true" valueType="includePath">
 									<listOptionValue builtIn="false" value="/usr/arm-none-eabi/include"/>
 									<listOptionValue builtIn="false" value="../Inc"/>
 									<listOptionValue builtIn="false" value="../Drivers/CMSIS/Include"/>
@@ -93,7 +93,7 @@
 									<listOptionValue builtIn="false" value="../Middlewares/ST/STM32_USB_Device_Library/Core/Inc"/>
 									<listOptionValue builtIn="false" value="../Drivers/STM32L4xx_HAL_Driver/Inc"/>
 								</option>
-								<option id="ilg.gnuarmeclipse.managedbuild.cross.option.c.compiler.defs.2123477218" name="Defined symbols (-D)" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.c.compiler.defs" useByScannerDiscovery="true" valueType="definedSymbols">
+								<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="ilg.gnuarmeclipse.managedbuild.cross.option.c.compiler.defs.2123477218" name="Defined symbols (-D)" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.c.compiler.defs" useByScannerDiscovery="true" valueType="definedSymbols">
 									<listOptionValue builtIn="false" value="__FPU_PRESENT=1"/>
 									<listOptionValue builtIn="false" value="USE_HAL_DRIVER"/>
 									<listOptionValue builtIn="false" value="ARM_MATH_CM4"/>
@@ -107,7 +107,7 @@
 								<inputType id="ilg.gnuarmeclipse.managedbuild.cross.tool.c.compiler.input.1359599970" superClass="ilg.gnuarmeclipse.managedbuild.cross.tool.c.compiler.input"/>
 							</tool>
 							<tool id="ilg.gnuarmeclipse.managedbuild.cross.tool.cpp.compiler.1728068044" name="GNU ARM Cross C++ Compiler" superClass="ilg.gnuarmeclipse.managedbuild.cross.tool.cpp.compiler">
-								<option id="ilg.gnuarmeclipse.managedbuild.cross.option.cpp.compiler.include.paths.1069495617" name="Include paths (-I)" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.cpp.compiler.include.paths" useByScannerDiscovery="true" valueType="includePath">
+								<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="ilg.gnuarmeclipse.managedbuild.cross.option.cpp.compiler.include.paths.1069495617" name="Include paths (-I)" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.cpp.compiler.include.paths" useByScannerDiscovery="true" valueType="includePath">
 									<listOptionValue builtIn="false" value="/usr/arm-none-eabi/include"/>
 									<listOptionValue builtIn="false" value="../Inc"/>
 									<listOptionValue builtIn="false" value="../Drivers/STM32L4xx_HAL_Driver/Inc"/>
@@ -121,7 +121,7 @@
 									<listOptionValue builtIn="false" value="../Middlewares/ST/STM32_USB_Device_Library/Core/Inc"/>
 									<listOptionValue builtIn="false" value="/usr/local/include"/>
 								</option>
-								<option id="ilg.gnuarmeclipse.managedbuild.cross.option.cpp.compiler.defs.1120661678" name="Defined symbols (-D)" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.cpp.compiler.defs" useByScannerDiscovery="true" valueType="definedSymbols">
+								<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="ilg.gnuarmeclipse.managedbuild.cross.option.cpp.compiler.defs.1120661678" name="Defined symbols (-D)" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.cpp.compiler.defs" useByScannerDiscovery="true" valueType="definedSymbols">
 									<listOptionValue builtIn="false" value="__FPU_PRESENT=1"/>
 									<listOptionValue builtIn="false" value="USE_HAL_DRIVER"/>
 									<listOptionValue builtIn="false" value="ARM_MATH_CM4"/>
@@ -148,7 +148,7 @@
 							</tool>
 							<tool id="ilg.gnuarmeclipse.managedbuild.cross.tool.cpp.linker.1645159175" name="GNU ARM Cross C++ Linker" superClass="ilg.gnuarmeclipse.managedbuild.cross.tool.cpp.linker">
 								<option id="ilg.gnuarmeclipse.managedbuild.cross.option.cpp.linker.gcsections.1081471382" name="Remove unused sections (-Xlinker --gc-sections)" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.cpp.linker.gcsections" useByScannerDiscovery="false" value="true" valueType="boolean"/>
-								<option id="ilg.gnuarmeclipse.managedbuild.cross.option.cpp.linker.scriptfile.675234327" name="Script files (-T)" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.cpp.linker.scriptfile" useByScannerDiscovery="false" valueType="stringList">
+								<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="ilg.gnuarmeclipse.managedbuild.cross.option.cpp.linker.scriptfile.675234327" name="Script files (-T)" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.cpp.linker.scriptfile" useByScannerDiscovery="false" valueType="stringList">
 									<listOptionValue builtIn="false" value="&quot;${workspace_loc:/${ProjName}/STM32L433CCUx_FLASH.ld}&quot;"/>
 								</option>
 								<option id="ilg.gnuarmeclipse.managedbuild.cross.option.cpp.linker.nostdlibs.1855020595" name="No startup or default libs (-nostdlib)" superClass="ilg.gnuarmeclipse.managedbuild.cross.option.cpp.linker.nostdlibs" useByScannerDiscovery="false" value="false" valueType="boolean"/>
diff --git a/.settings/language.settings.xml b/.settings/language.settings.xml
index b29c417..3d08f16 100644
--- a/.settings/language.settings.xml
+++ b/.settings/language.settings.xml
@@ -3,7 +3,7 @@
 	<configuration id="ilg.gnuarmeclipse.managedbuild.cross.config.elf.debug.1309195742.6250637" name="ARM_Debug">
 		<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
 			<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
-			<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="793420653061" id="ilg.gnuarmeclipse.managedbuild.cross.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT ARM Cross GCC Built-in Compiler Settings " parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
+			<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="-1332118872860258658" id="ilg.gnuarmeclipse.managedbuild.cross.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT ARM Cross GCC Built-in Compiler Settings " parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
 				<language-scope id="org.eclipse.cdt.core.gcc"/>
 				<language-scope id="org.eclipse.cdt.core.g++"/>
 			</provider>
@@ -14,7 +14,7 @@
 	<configuration id="ilg.gnuarmeclipse.managedbuild.cross.config.elf.debug.1309195742.6250637.815824991" name="ARM_Release">
 		<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
 			<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
-			<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="793420653061" id="ilg.gnuarmeclipse.managedbuild.cross.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT ARM Cross GCC Built-in Compiler Settings " parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
+			<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="-1246452000316836338" id="ilg.gnuarmeclipse.managedbuild.cross.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT ARM Cross GCC Built-in Compiler Settings " parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
 				<language-scope id="org.eclipse.cdt.core.gcc"/>
 				<language-scope id="org.eclipse.cdt.core.g++"/>
 			</provider>