set(CMAKE_SYSTEM_NAME Generic)

cmake_minimum_required(VERSION 3.26.0)

set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
# 指定交叉编译工具链
set(CMAKE_C_COMPILER arm-none-eabi-gcc)
set(CMAKE_CXX_COMPILER arm-none-eabi-g++)
set(CMAKE_ASM_COMPILER arm-none-eabi-gcc)
set(CMAKE_AR arm-none-eabi-ar)
set(CMAKE_LINKER arm-none-eabi-ld)
set(CMAKE_OBJCOPY arm-none-eabi-objcopy)
set(CMAKE_OBJDUMP arm-none-eabi-objdump)
set(SIZE arm-none-eabi-size)
set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)

set(CMAKE_C_STANDARD 11)
set(CMAKE_CXX_STANDARD 17)

project(FreeRTOS_Core VERSION 1.0.0 LANGUAGES C CXX ASM)

# 数学库支持
#add_compile_definitions(ARM_MATH_CM7 ARM_MATH_MATRIX_CHECK ARM_MATH_ROUNDING)
# 打开硬件浮点
add_compile_options(-mfloat-abi=hard -mfpu=fpv5-d16)
# 使用软件浮点
#add_compile_options(-mfloat-abi=soft)
# 添加链接选项
add_link_options(-mfloat-abi=hard -mfpu=fpv5-d16)

add_compile_options(-mcpu=cortex-m7 -mthumb -mthumb-interwork)
add_compile_options(-fdata-sections -ffunction-sections -fno-common -fmessage-length=0)

# 启动汇编文件预处理，检查当前文件是否为汇编文件，如果是，则添加-x assembler-with-cpp给编译器
# 将汇编文件当做C++文件处理
add_compile_options($<$<COMPILE_LANGUAGE:ASM>:-x$<SEMICOLON>assembler-with-cpp>)

if ("${CMAKE_BUILD_TYPE}" STREQUAL "Release")
    # 状态消息
    message(STATUS "Maximum optimization for speed")
    add_compile_options(-O3)
elseif ("${CMAKE_BUILD_TYPE}" STREQUAL "RelWithDebInfo")
    message(STATUS "Maximum optimization for speed, debug info included")
    add_compile_options(-O3 -g)
elseif ("${CMAKE_BUILD_TYPE}" STREQUAL "MinSizeRel")
    message(STATUS "Maximum optimization for size")
    add_compile_options(-Os)
else ()
    message(STATUS "Minimal optimization, debug info included")
    add_compile_options(-O1 -g)
endif()

# 使用HAL库
add_compile_definitions(USE_HAL_DRIVER STM32H750xx)

file(GLOB_RECURSE SOURCES
        "FreeRTOS/*.*"
        "User/*.*"
        "Project/GCC/startup_stm32h750xx.s"
        "ST/CMSIS/Device/ST/STM32H7xx/Include/*.h"
        "ST/CMSIS/Device/ST/STM32H7xx/Source/Templates/system_stm32h7xx.c"
        "ST/CMSIS/Include/*.h"
        "ST/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal.c"
        "ST/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_cortex.c"
        "ST/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_gpio.c"
        "ST/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash.c"
        "ST/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc.c"
        "ST/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc_ex.c"
        "ST/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr.c"
        "ST/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr_ex.c"
        "ST/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart.c"
)

#message(SOURCES = ${SOURCES})

set(LINK_SCRIPTS ${CMAKE_CURRENT_SOURCE_DIR}/Project/GCC/STM32H750XBHx_FLASH.ld)

add_link_options(-Wl,-gc-sections,--print-memory-usage,-Map=${PROJECT_BINARY_DIR}/${PROJECT_NAME}.map)
add_link_options(-mcpu=cortex-m7 -mthumb -mthumb-interwork)
add_link_options(-specs=nosys.specs)
add_link_options(-T ${LINK_SCRIPTS})

add_executable(${PROJECT_NAME}.elf ${SOURCES} ${LINK_SCRIPTS})

#set(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/bin)

set(HEX_FILE ${PROJECT_BINARY_DIR}/${PROJECT_NAME}.hex)
set(BIN_FILE ${PROJECT_BINARY_DIR}/${PROJECT_NAME}.bin)
set(DIS_FILE ${PROJECT_BINARY_DIR}/${PROJECT_NAME}.dis)

add_custom_command(TARGET ${PROJECT_NAME}.elf POST_BUILD
        COMMAND ${CMAKE_OBJCOPY} -Oihex $<TARGET_FILE:${PROJECT_NAME}.elf> ${HEX_FILE}
        COMMAND ${CMAKE_OBJCOPY} -Obinary $<TARGET_FILE:${PROJECT_NAME}.elf> ${BIN_FILE}
        COMMAND ${CMAKE_OBJDUMP} -S $<TARGET_FILE:${PROJECT_NAME}.elf> > ${DIS_FILE}
        COMMENT "Building ${HEX_FILE} Building ${BIN_FILE}"
)

#target_link_libraries(${PROJECT_NAME}.elf gcc)

target_include_directories(${PROJECT_NAME}.elf PUBLIC
        ${PROJECT_BINARY_DIR}
        User/Hardware/Inc/
        User/BSP/Inc/
        User/
        ST/STM32H7xx_HAL_Driver/Inc/
        ST/CMSIS/Device/ST/STM32H7xx/Include/
        ST/CMSIS/Include/
        FreeRTOS/include/
        FreeRTOS/portable/GCC/
)