CMakeLists.txt

cmake_minimum_required(VERSION 3.28)

message("Entering ${CMAKE_CURRENT_LIST_FILE}")

set(PROJECT_TYPE_EXECUTABLE          "exe")
set(PROJECT_TYPE_STATIC_LIBRARY      "static-lib")

set(PROJECT_NAME                     "STM32-VSCode-CMake-streamlined")
set(PROJECT_TYPE                     "exe")
set(LINKER_SCRIPT                    "${CMAKE_CURRENT_SOURCE_DIR}/STM32L4A6ZGTX_FLASH.ld")
set(MCPU                             "-mcpu=cortex-m4")
set(MFPU                             "-mfpu=fpv4-sp-d16")
set(MFLOAT_ABI                       "-mfloat-abi=hard")
set(RUNTIME_LIBRARY                  "--specs=nano.specs")
set(RUNTIME_LIBRARY_SYSCALLS         "--specs=nosys.specs")

set(PROJECT_SOURCES
    ${CMAKE_CURRENT_SOURCE_DIR}/Core/Src/main.c
    ${CMAKE_CURRENT_SOURCE_DIR}/Core/Src/gpio.c
    ${CMAKE_CURRENT_SOURCE_DIR}/Core/Src/stm32l4xx_hal_msp.c
    ${CMAKE_CURRENT_SOURCE_DIR}/Core/Src/stm32l4xx_it.c
    ${CMAKE_CURRENT_SOURCE_DIR}/Core/Src/syscalls.c
    ${CMAKE_CURRENT_SOURCE_DIR}/Core/Src/sysmem.c
    ${CMAKE_CURRENT_SOURCE_DIR}/Core/Src/system_stm32l4xx.c
    ${CMAKE_CURRENT_SOURCE_DIR}/Core/Startup/startup_stm32l4a6zgtx.s
    ${CMAKE_CURRENT_SOURCE_DIR}/Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_cortex.c
    ${CMAKE_CURRENT_SOURCE_DIR}/Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_dma_ex.c
    ${CMAKE_CURRENT_SOURCE_DIR}/Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_dma.c
    ${CMAKE_CURRENT_SOURCE_DIR}/Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_exti.c
    ${CMAKE_CURRENT_SOURCE_DIR}/Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash_ex.c
    ${CMAKE_CURRENT_SOURCE_DIR}/Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash_ramfunc.c
    ${CMAKE_CURRENT_SOURCE_DIR}/Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_flash.c
    ${CMAKE_CURRENT_SOURCE_DIR}/Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_gpio.c
    ${CMAKE_CURRENT_SOURCE_DIR}/Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_i2c_ex.c
    ${CMAKE_CURRENT_SOURCE_DIR}/Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_i2c.c
    ${CMAKE_CURRENT_SOURCE_DIR}/Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_pwr_ex.c
    ${CMAKE_CURRENT_SOURCE_DIR}/Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_pwr.c
    ${CMAKE_CURRENT_SOURCE_DIR}/Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_rcc_ex.c
    ${CMAKE_CURRENT_SOURCE_DIR}/Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_rcc.c
    ${CMAKE_CURRENT_SOURCE_DIR}/Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal.c
    ${CMAKE_CURRENT_SOURCE_DIR}/Application/main.cpp
)

set(PROJECT_INCLUDES
    ${CMAKE_CURRENT_SOURCE_DIR}/Core/Inc
    ${CMAKE_CURRENT_SOURCE_DIR}/Drivers/STM32L4xx_HAL_Driver/Inc
    ${CMAKE_CURRENT_SOURCE_DIR}/Drivers/STM32L4xx_HAL_Driver/Inc/Legacy
    ${CMAKE_CURRENT_SOURCE_DIR}/Drivers/CMSIS/Device/ST/STM32L4xx/Include
    ${CMAKE_CURRENT_SOURCE_DIR}/Drivers/CMSIS/Include
    ${CMAKE_CURRENT_SOURCE_DIR}/Application
)

set(PROJECT_DEFINES
    DEBUG
    STM32L4A6xx
    USE_HAL_DRIVER
)

project(${PROJECT_NAME})
enable_language(C CXX ASM)

set(CMAKE_EXECUTABLE_SUFFIX ".elf")
set(CMAKE_STATIC_LIBRARY_SUFFIX ".a")

add_executable(${PROJECT_NAME} ${PROJECT_SOURCES})

add_compile_definitions(${PROJECT_DEFINES})

include_directories(${PROJECT_INCLUDES})

target_compile_options(${PROJECT_NAME} PRIVATE
    -mthumb
    -mcpu=cortex-m4
    -mfpu=fpv4-sp-d16
    -mfloat-abi=hard
    $<$<COMPILE_LANGUAGE:C>:
        -std=gnu18
        -g3
        -O0
        -ffunction-sections
        -fdata-sections
        -Wall
        -fstack-usage
        --specs=nano.specs
        >
    $<$<COMPILE_LANGUAGE:CXX>:
        -std=c++20
        -g3
        -O0
        -ffunction-sections
        -fdata-sections
        -fno-exceptions
        -fno-rtti
        -fno-use-cxa-atexit
        -Wall
        -fstack-usage
        --specs=nano.specs
        >
    $<$<COMPILE_LANGUAGE:ASM>:
        -g3
        -c
        -x
        assembler-with-cpp
        --specs=nano.specs
        >
)

target_link_options(${PROJECT_NAME} PRIVATE
    -T${LINKER_SCRIPT}
    -mthumb
    -mcpu=cortex-m4
    -mfpu=fpv4-sp-d16
    -mfloat-abi=hard
    --specs=nano.specs
    --specs=nosys.specs
    -Wl,-Map=${CMAKE_PROJECT_NAME}.map
    -Wl,--gc-sections -static
    -Wl,--start-group -lc -lm -Wl,--end-group
)