cmake_minimum_required(VERSION 3.10)

project(fire_stm32h750_pro_template)

enable_language(CXX)
enable_language(ASM)

# Different linker scripts
set(TARGET_LDSCRIPT_FLASH      "${CMAKE_SOURCE_DIR}/GCC/STM32H750XBHX_FLASH.ld")
set(TARGET_LDSCRIPT_QSPI       "${CMAKE_SOURCE_DIR}/GCC/STM32H750XBHX_QSPI.ld")
set(TARGET_LDSCRIPT_QSPI_SDRAM "${CMAKE_SOURCE_DIR}/GCC/STM32H750XBHX_QSPI_SDRAM.ld")

set(TARGET_SOURCES
    "GCC/startup_stm32h750xx.s"
    "SDK/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_cortex.c"
    "SDK/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma_ex.c"
    "SDK/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_dma.c"
    "SDK/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_exti.c"
    "SDK/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash_ex.c"
    "SDK/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash.c"
    "SDK/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_gpio.c"
    "SDK/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_hsem.c"
    "SDK/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c_ex.c"
    "SDK/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_i2c.c"
    "SDK/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_mdma.c"
    "SDK/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr_ex.c"
    "SDK/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_pwr.c"
    "SDK/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc_ex.c"
    "SDK/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rcc.c"
    "SDK/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rtc_ex.c"
    "SDK/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_rtc.c"
    "SDK/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim_ex.c"
    "SDK/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_tim.c"
    "SDK/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart.c"
    "SDK/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_uart_ex.c"
    "SDK/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal.c"
    "board/board.c"
    "board/clock_config.c"
    "board/peripherals.c"
    "board/pin_mux.c"
    "board/stm32h7xx_it.c"
    "board/system_stm32h7xx.c"
    "src/main.c"
    "src/syscalls.c"
    "xip/fire_stm32h750_pro_xip_config.c"
)

set(TARGET_C_DEFINES
    "STM32H750xx"
    "USE_HAL_DRIVER"
)

set(TARGET_C_DEFINES_QSPI
    "XIP_BOOT_ENABLED"
    "XIP_ENABLE_SDRAM"
    )

set(TARGET_C_DEFINES_QSPI_SDRAM
    "XIP_BOOT_ENABLED"
    "XIP_ENABLE_SDRAM"
)

set(TARGET_C_INCLUDES
    "SDK/Drivers/CMSIS/Core/Include"
    "SDK/Drivers/CMSIS/Device/ST/STM32H7xx/Include"
    "SDK/Drivers/STM32H7xx_HAL_Driver/Inc"
    "board"
    "include"
)

# Shared libraries linked with application
set(TARGET_LIBS
    "c"
    "m"
    "nosys"
)

# Shared library and linker script search paths
set(TARGET_LIB_DIRECTORIES

)

# Conditional flags
# DEBUG
set(CMAKE_C_FLAGS_DEBUG     "-DDEBUG -O0 -g")
set(CMAKE_CXX_FLAGS_DEBUG   "-DDEBUG -O0 -g")
set(CMAKE_ASM_FLAGS_DEBUG   "-DDEBUG -O0 -g")

# RELEASE
set(CMAKE_C_FLAGS_RELEASE        "-DNDEBUG -O2")
set(CMAKE_CXX_FLAGS_RELEASE      "-DNDEBUG -O2")
set(CMAKE_ASM_FLAGS_RELEASE      "-DNDEBUG -O2")
set(CMAKE_EXE_LINKER_FLAGS_RELEASE "")

# Final compiler flags
set(CMAKE_C_FLAGS          "${CMAKE_C_FLAGS} -Wall -fno-common -fno-builtin -ffreestanding -fdata-sections -ffunction-sections")
set(CMAKE_CXX_FLAGS        "${CMAKE_CXX_FLAGS} -Wall -fno-common -fno-builtin -ffreestanding -fdata-sections -ffunction-sections")
set(CMAKE_ASM_FLAGS        "${CMAKE_C_FLAGS} -x assembler-with-cpp")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections")

# Shared sources, includes and definitions
add_compile_definitions(${TARGET_C_DEFINES})
include_directories(${TARGET_C_INCLUDES})
link_directories(${TARGET_LIB_DIRECTORIES})
link_libraries(${TARGET_LIBS})

# Main targets are added here

# Create ELF
add_executable("${CMAKE_PROJECT_NAME}_FLASH.elf" ${TARGET_SOURCES})
target_compile_definitions("${CMAKE_PROJECT_NAME}_FLASH.elf"
    PRIVATE ${TARGET_C_DEFINES_XIP}
    )
target_link_options("${CMAKE_PROJECT_NAME}_FLASH.elf"
    PRIVATE "-T${TARGET_LDSCRIPT_FLASH}"
    PRIVATE "-Wl,--Map=${CMAKE_PROJECT_NAME}_FLASH.map"
    )
set_property(TARGET "${CMAKE_PROJECT_NAME}_FLASH.elf" APPEND
    PROPERTY ADDITIONAL_CLEAN_FILES "${CMAKE_PROJECT_NAME}_FLASH.map"
    )
add_custom_command(OUTPUT "${CMAKE_PROJECT_NAME}_FLASH.hex"
    COMMAND ${CMAKE_OBJCOPY} "-O" "ihex" "${CMAKE_PROJECT_NAME}_FLASH.elf" "${CMAKE_PROJECT_NAME}_FLASH.hex"
    DEPENDS "${CMAKE_PROJECT_NAME}_FLASH.elf"
    )
add_custom_target("${CMAKE_PROJECT_NAME}_FLASH_HEX" DEPENDS "${CMAKE_PROJECT_NAME}_FLASH.hex")
if(DEFINED TARGET_TOOLCHAIN_SIZE)
    add_custom_command(TARGET "${CMAKE_PROJECT_NAME}_FLASH.elf" POST_BUILD
        COMMAND ${TARGET_TOOLCHAIN_SIZE} "${CMAKE_PROJECT_NAME}_FLASH.elf"
        )
endif()

# Create ELF
add_executable("${CMAKE_PROJECT_NAME}_QSPI.elf" ${TARGET_SOURCES})
target_compile_definitions(${CMAKE_PROJECT_NAME}_QSPI.elf PRIVATE ${TARGET_C_DEFINES_QSPI})
target_link_options("${CMAKE_PROJECT_NAME}_QSPI.elf"
    PRIVATE "-T${TARGET_LDSCRIPT_QSPI}"
    PRIVATE "-Wl,--Map=${CMAKE_PROJECT_NAME}_QSPI.map"
)
set_property(TARGET "${CMAKE_PROJECT_NAME}_QSPI.elf" APPEND
    PROPERTY ADDITIONAL_CLEAN_FILES "${CMAKE_PROJECT_NAME}_RAM.map"
)
add_custom_command(OUTPUT "${CMAKE_PROJECT_NAME}_QSPI.hex"
    COMMAND ${CMAKE_OBJCOPY} "-O" "ihex" "${CMAKE_PROJECT_NAME}_QSPI.elf" "${CMAKE_PROJECT_NAME}_QSPI.hex"
    DEPENDS "${CMAKE_PROJECT_NAME}_QSPI.elf"
)
add_custom_target("${CMAKE_PROJECT_NAME}_QSPI_HEX" DEPENDS "${CMAKE_PROJECT_NAME}_QSPI.hex")
if(DEFINED TARGET_TOOLCHAIN_SIZE)
add_custom_command(TARGET "${CMAKE_PROJECT_NAME}_QSPI.elf" POST_BUILD
    COMMAND ${TARGET_TOOLCHAIN_SIZE} "${CMAKE_PROJECT_NAME}_QSPI.elf"
)
endif()

# Create ELF
add_executable("${CMAKE_PROJECT_NAME}_QSPI_SDRAM.elf" ${TARGET_SOURCES})
target_compile_definitions(${CMAKE_PROJECT_NAME}_QSPI_SDRAM.elf PRIVATE ${TARGET_C_DEFINES_QSPI_SDRAM})
target_link_options("${CMAKE_PROJECT_NAME}_QSPI_SDRAM.elf"
    PRIVATE "-T${TARGET_LDSCRIPT_QSPI_SDRAM}"
    PRIVATE "-Wl,--Map=${CMAKE_PROJECT_NAME}_QSPI_SDRAM.map"
    )
set_property(TARGET "${CMAKE_PROJECT_NAME}_QSPI_SDRAM.elf" APPEND
    PROPERTY ADDITIONAL_CLEAN_FILES "${CMAKE_PROJECT_NAME}_QSPI_SDRAM.map"
    )
add_custom_command(OUTPUT "${CMAKE_PROJECT_NAME}_QSPI_SDRAM.hex"
    COMMAND ${CMAKE_OBJCOPY} "-O" "ihex" "${CMAKE_PROJECT_NAME}_QSPI_SDRAM.elf" "${CMAKE_PROJECT_NAME}_QSPI_SDRAM.hex"
    DEPENDS "${CMAKE_PROJECT_NAME}_QSPI_SDRAM.elf"
    )
add_custom_target("${CMAKE_PROJECT_NAME}_QSPI_SDRAM_HEX" DEPENDS "${CMAKE_PROJECT_NAME}_QSPI_SDRAM.hex")
if(DEFINED TARGET_TOOLCHAIN_SIZE)
    add_custom_command(TARGET "${CMAKE_PROJECT_NAME}_QSPI_SDRAM.elf" POST_BUILD
        COMMAND ${TARGET_TOOLCHAIN_SIZE} "${CMAKE_PROJECT_NAME}_QSPI_SDRAM.elf"
        )
endif()