set(COMPILE_PREFIX "")
if (APPLE)
    set(COMPILE_PREFIX /opt/homebrew/bin/)
endif ()

set(CMAKE_C_COMPILER ${COMPILE_PREFIX}arm-none-eabi-gcc)
set(CMAKE_CXX_COMPILER ${COMPILE_PREFIX}arm-none-eabi-g++)
set(CMAKE_ASM_COMPILER ${COMPILE_PREFIX}arm-none-eabi-gcc)
set(CMAKE_AR ${COMPILE_PREFIX}arm-none-eabi-ar)
set(CMAKE_OBJCOPY ${COMPILE_PREFIX}arm-none-eabi-objcopy)
set(CMAKE_OBJDUMP ${COMPILE_PREFIX}arm-none-eabi-objdump)
set(SIZE ${COMPILE_PREFIX}arm-none-eabi-size)


# add definition for filex
add_definitions(-DFX_INCLUDE_USER_DEFINE_FILE)

include_directories(
        ${CMAKE_CURRENT_LIST_DIR}/includes
        ${CMAKE_CURRENT_LIST_DIR}/includes/u575xx
        ${CMAKE_CURRENT_LIST_DIR}/includes/lowlevel
        ${CMAKE_CURRENT_LIST_DIR}/CMSIS/Include
        ${CMAKE_CURRENT_LIST_DIR}/filex/common/inc
        ${CMAKE_CURRENT_LIST_DIR}/filex/common/
        ${CMAKE_CURRENT_LIST_DIR}/filex/ports/generic/inc
)

file(GLOB_RECURSE LIB_SOURCES
        "${CMAKE_CURRENT_LIST_DIR}/src/*.c"
        "${CMAKE_CURRENT_LIST_DIR}/src/*.cpp"
        "${CMAKE_CURRENT_LIST_DIR}/filex/common/src/*.c"
        "${CMAKE_CURRENT_LIST_DIR}/startup/startup_stm32u575zitxq.s"
)

message(STATUS "CMAKE_CURRENT_LIST_DIR: ${CMAKE_CURRENT_LIST_DIR}")

#Uncomment for hardware floating point
# add_compile_definitions(ARM_MATH_CM4;ARM_MATH_MATRIX_CHECK;ARM_MATH_ROUNDING)
add_compile_options(-mfloat-abi=hard -mfpu=fpv4-sp-d16)
add_link_options(-mfloat-abi=hard -mfpu=fpv4-sp-d16)
add_compile_options(-mcpu=cortex-m33 -mthumb -mthumb-interwork)
add_compile_options(-ffunction-sections -fdata-sections -fno-common -fmessage-length=0)
# Enable assembler files preprocessing
add_compile_options($<$<COMPILE_LANGUAGE:ASM>:-x$<SEMICOLON>assembler-with-cpp>)

# add link script 
set(LINKER_SCRIPT ${CMAKE_CURRENT_LIST_DIR}/link_script/STM32U575ZITXQ_FLASH.ld)

# add link options 
add_link_options(-Wall -Wl,-gc-sections,--print-memory-usage,-Map=${PROJECT_BINARY_DIR}/${PROJECT_NAME}.map)
add_link_options(-mcpu=cortex-m33 -mthumb -mthumb-interwork)
add_link_options(-T ${LINKER_SCRIPT})
add_definitions(-DSTM32U575xx)
# set(LIB_BIN ${CMAKE_CURRENT_LIST_DIR}/libSTM32U5.a)