On-device two-button menu with persistent settings (final: stack = validated rollup)

mk4-date/.cproject

@@ -14,7 +14,7 @@
 				</extensions>
 			</storageModule>
 			<storageModule moduleId="cdtBuildSystem" version="4.0.0">
-				<configuration artifactExtension="elf" artifactName="${ProjName}" buildArtefactType="org.eclipse.cdt.build.core.buildArtefactType.exe" buildProperties="org.eclipse.cdt.build.core.buildArtefactType=org.eclipse.cdt.build.core.buildArtefactType.exe,org.eclipse.cdt.build.core.buildType=org.eclipse.cdt.build.core.buildType.debug" cleanCommand="rm -rf" description="" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.debug.292927325" name="Debug" parent="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.debug" prebuildStep="rm -f Core/Src/version.o">
+				<configuration artifactExtension="elf" artifactName="${ProjName}" buildArtefactType="org.eclipse.cdt.build.core.buildArtefactType.exe" buildProperties="org.eclipse.cdt.build.core.buildArtefactType=org.eclipse.cdt.build.core.buildArtefactType.exe,org.eclipse.cdt.build.core.buildType=org.eclipse.cdt.build.core.buildType.debug" cleanCommand="rm -rf" description="" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.debug.292927325" name="Debug" parent="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.debug" prebuildStep="sh ../gen-build-id.sh">
 					<folderInfo id="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.debug.292927325." name="/" resourcePath="">
 						<toolChain id="com.st.stm32cube.ide.mcu.gnu.managedbuild.toolchain.exe.debug.1904405800" name="MCU ARM GCC" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.toolchain.exe.debug">
 							<option id="com.st.stm32cube.ide.mcu.option.internal.toolchain.type.965692103" name="Internal Toolchain Type" superClass="com.st.stm32cube.ide.mcu.option.internal.toolchain.type" useByScannerDiscovery="false" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.toolchain.base.gnu-tools-for-stm32" valueType="string"/>
@@ -105,7 +105,7 @@
 				</extensions>
 			</storageModule>
 			<storageModule moduleId="cdtBuildSystem" version="4.0.0">
-				<configuration artifactExtension="elf" artifactName="${ProjName}" buildArtefactType="org.eclipse.cdt.build.core.buildArtefactType.exe" buildProperties="org.eclipse.cdt.build.core.buildArtefactType=org.eclipse.cdt.build.core.buildArtefactType.exe,org.eclipse.cdt.build.core.buildType=org.eclipse.cdt.build.core.buildType.release" cleanCommand="rm -rf" description="" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.release.1861611880" name="Release" parent="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.release" prebuildStep="rm -f Core/Src/version.o">
+				<configuration artifactExtension="elf" artifactName="${ProjName}" buildArtefactType="org.eclipse.cdt.build.core.buildArtefactType.exe" buildProperties="org.eclipse.cdt.build.core.buildArtefactType=org.eclipse.cdt.build.core.buildArtefactType.exe,org.eclipse.cdt.build.core.buildType=org.eclipse.cdt.build.core.buildType.release" cleanCommand="rm -rf" description="" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.release.1861611880" name="Release" parent="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.release" prebuildStep="sh ../gen-build-id.sh">
 					<folderInfo id="com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.release.1861611880." name="/" resourcePath="">
 						<toolChain id="com.st.stm32cube.ide.mcu.gnu.managedbuild.toolchain.exe.release.324364592" name="MCU ARM GCC" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.toolchain.exe.release">
 							<option id="com.st.stm32cube.ide.mcu.option.internal.toolchain.type.564069394" name="Internal Toolchain Type" superClass="com.st.stm32cube.ide.mcu.option.internal.toolchain.type" useByScannerDiscovery="false" value="com.st.stm32cube.ide.mcu.gnu.managedbuild.toolchain.base.gnu-tools-for-stm32" valueType="string"/>

mk4-date/.gitignore

@@ -1,3 +1,6 @@
 Debug/*
 Release/*
 *.launch
+
+# Generated per-build id (gen-build-id.sh)
+Core/Src/build_id.h