Added basic setup

.gitignore

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+/build

.vscode/launch.json

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+{
+	// Use IntelliSense to learn about possible attributes.
+	// Hover to view descriptions of existing attributes.
+	// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+	"version": "0.2.0",
+	"configurations": [
+		{
+			"name": "Cortex Debug",
+			"cwd": "${workspaceRoot}",
+			"executable": "./build/program.elf",
+			"request": "launch",
+			"type": "cortex-debug",
+			"servertype": "openocd",
+			"svdFile": "STM32L0x1.svd",
+			"configFiles": [
+					"board.cfg"
+			]
+		}
+	]
+}

.vscode/settings.json

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+{
+	"C_Cpp.default.configurationProvider": "vector-of-bool.cmake-tools"
+}

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.12)
+
+set(CMAKE_TOOLCHAIN_FILE "${CMAKE_CURRENT_LIST_DIR}/toolchain.cmake")
+
+project("cmake-stm32")
+
+set(CMAKE_C_STANDARD "99")
+enable_language(ASM)
+
+file(GLOB_RECURSE sources "src/*.[c|s]")
+
+add_executable("${PROJECT_NAME}" ${sources})
+set_target_properties("${PROJECT_NAME}" PROPERTIES OUTPUT_NAME "program.elf")
+
+set(c_compile_definitions "STM32L011xx")
+if("${CMAKE_BUILD_TYPE}" STREQUAL "Debug")
+	list(APPEND c_compile_definitions "DEBUG" "_DEBUG")
+else()
+	list(APPEND c_compile_definitions "NDEBUG")
+endif()
+
+set(asm_compile_options
+	"-mcpu=cortex-m0plus"
+	"-g3"
+	"-c"
+	"-x"
+	"assembler-with-cpp"
+	"--specs=nano.specs"
+	"-mfloat-abi=soft"
+	"-mthumb"
+)
+
+set(c_compile_options
+	"-mcpu=cortex-m0plus"
+	"-std=gnu99"
+	"-g3"
+	"-c"
+	"-O0"
+	"-ffunction-sections"
+	"-fdata-sections"
+	"-Wall"
+	"-fstack-usage"
+	"--specs=nano.specs"
+	"-mfloat-abi=soft"
+	"-mthumb"
+)
+
+set(link_flags
+	"-mcpu=cortex-m0plus \
+	-T\"${CMAKE_CURRENT_LIST_DIR}/stm32l011f4.ld\" \
+	--specs=nosys.specs -Wl,-Map=\"${PROJECT_NAME}.map\" \
+	-Wl,--gc-sections \
+	-static \
+	--specs=nano.specs \
+	-mfloat-abi=soft \
+	-mthumb \
+	-Wl,--start-group -lc -lm -Wl,--end-group"
+)
+
+target_compile_options("${PROJECT_NAME}" PUBLIC "$<$<COMPILE_LANGUAGE:C>:${c_compile_options}>")
+target_compile_options("${PROJECT_NAME}" PUBLIC "$<$<COMPILE_LANGUAGE:ASM>:${asm_compile_options}>")
+target_compile_definitions("${PROJECT_NAME}" PUBLIC "$<$<COMPILE_LANGUAGE:C>:${c_compile_definitions}>")
+set_target_properties("${PROJECT_NAME}" PROPERTIES LINK_FLAGS "${link_flags}")