cmake_minimum_required(VERSION 3.22)

#
# This file is generated only once,
# and is not re-generated if converter is called multiple times.
#
# User is free to modify the file as much as necessary
#

set(SRC_ROOT ${CMAKE_CURRENT_SOURCE_DIR}/../../../../../../../src/)
set(COMMON ${SRC_ROOT}/common)
set(CRYPTO ${SRC_ROOT}/cyclone_crypto)
set(UPDATE ${SRC_ROOT}/cyclone_boot)
set(THIRD_PARTY ${CMAKE_SOURCE_DIR}/../../../../../../../third_party)
set(TOOLS ${CMAKE_SOURCE_DIR}/../../../../../../../tools)

set(RESOURCE_COMPILER ${TOOLS}/ResourceCompiler/)

# Setup compiler settings
set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD_REQUIRED ON)
set(CMAKE_C_EXTENSIONS ON)

# Define the build type
if(NOT CMAKE_BUILD_TYPE)
    set(CMAKE_BUILD_TYPE "Debug")
endif()

message("Build type: " ${CMAKE_BUILD_TYPE})

# Enable compile command to ease indexing with e.g. clangd
set(CMAKE_EXPORT_COMPILE_COMMANDS TRUE)

# Compiler options
set(STM32_MCU_FLAGS  "-mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard" )

#Linker options
set(STM32_LINKER_SCRIPT stm32h755xx_flash_CM4.ld)
#set(STM32_LINKER_SCRIPT stm32h755xx_sram2_CM4.ld)
set(STM32_LINKER_OPTION  )

# Include toolchain file
# include("../gcc-arm-none-eabi.cmake")

# Set the project name
set(CMAKE_PROJECT_NAME iap_demo_CM4)
project(${CMAKE_PROJECT_NAME})

# Create an executable object type
add_executable(${CMAKE_PROJECT_NAME})

# Include mx-generated 
include("mx-generated.cmake")

# Enable CMake support for ASM and C languages
enable_language(C ASM)

# In order to use CMake for cross-compiling
set(CMAKE_CXX_COMPILER_FORCED "true") 

# Add project symbols (macros)
target_compile_definitions(${CMAKE_PROJECT_NAME} PRIVATE 
    # Add user defined symbols
    STM32H755xI
    FLASH_DB_MODE
)

# Add include paths
target_include_directories(${CMAKE_PROJECT_NAME} PRIVATE
    # Add user defined include paths
    ${CMAKE_CURRENT_SOURCE_DIR}/Config
    ${COMMON}
    ${UPDATE}
    ${UPDATE}/modules
    ${CRYPTO}
)

set(CBOOT_SOURCES PRIVATE
        ${CMAKE_CURRENT_SOURCE_DIR}/Core/Src/cm7_code.c
        ${CMAKE_CURRENT_SOURCE_DIR}/Core/Src/debug.c
        ${COMMON}/os_port_none.c
        ${UPDATE}/update/update.c
        ${UPDATE}/update/update_misc.c
        ${UPDATE}/modules/image/image.c
        ${UPDATE}/modules/image/image_process.c
        ${UPDATE}/modules/image/image_utils.c
        ${UPDATE}/core/verify.c
        ${UPDATE}/modules/memory/memory.c
        ${UPDATE}/modules/memory/memory_ex.c
        ${UPDATE}/core/crc32.c
        ${UPDATE}/drivers/mcu_core/stm32h7xx_mcu_driver.c
        ${UPDATE}/drivers/flash/internal/stm32h7xx_flash_driver.c
        ${CMAKE_CURRENT_SOURCE_DIR}/Core/Src/common.c
        ${CMAKE_CURRENT_SOURCE_DIR}/Core/Src/ymodem.c
        ${CMAKE_CURRENT_SOURCE_DIR}/Core/Src/serial_callbacks.c
)

set_source_files_properties(${CBOOT_SOURCES} PROPERTIES COMPILE_FLAGS "-Wno-unused-parameter")

# Ensure cm7_code.c is recompiled whenever the CM7 binary changes
set_source_files_properties(${CMAKE_CURRENT_SOURCE_DIR}/Core/Src/cm7_code.c
        PROPERTIES OBJECT_DEPENDS
        "${CMAKE_CURRENT_SOURCE_DIR}/../CM7/build/iap_demo_CM7.bin"
)

# Add sources to executable
target_sources(${CMAKE_PROJECT_NAME} PRIVATE
    # Add user sources here
    ${CBOOT_SOURCES}
)

# Link directories setup
target_link_directories(${CMAKE_PROJECT_NAME} PRIVATE
    # Add user defined library search paths
)

# Add linked libraries
target_link_libraries(${CMAKE_PROJECT_NAME} PRIVATE
    # Add user defined libraries
)

# Validate that STM32CubeMX code is compatible with C standard
if(CMAKE_C_STANDARD LESS 11)
    message(ERROR "Generated code requires C11 or higher")
endif()

# Copy the generated .bin file to ../
set(VERSION_HEADER "${CMAKE_CURRENT_SOURCE_DIR}/Core/Inc/version.h")
# Read the contents of the header
file(READ "${VERSION_HEADER}" VERSION_HEADER_CONTENT)
# Extract the version string from e.g., #define APP_VERSION "1.0.0"
string(REGEX MATCH "#define APP_VERSION_STRING \"([0-9\\.]+)\"" _ UNUSED ${VERSION_HEADER_CONTENT})
set(APP_VERSION_RAW "${CMAKE_MATCH_1}")
string(REPLACE "." "_" APP_VERSION "${APP_VERSION_RAW}")

configure_file(${VERSION_HEADER} ${CMAKE_CURRENT_BINARY_DIR}/version.h COPYONLY)

message("Detected application version: ${APP_VERSION_RAW}")
add_custom_command(TARGET iap_demo_CM4 POST_BUILD
        COMMAND ${CMAKE_OBJCOPY} -O binary $<TARGET_FILE:iap_demo_CM4> ${CMAKE_CURRENT_BINARY_DIR}/iap_demo_CM4.bin
        COMMENT "Generating iap_demo_CM4.bin"
)
add_custom_command(TARGET iap_demo_CM4 POST_BUILD
        COMMAND ${CMAKE_COMMAND} -E copy
        ${CMAKE_CURRENT_BINARY_DIR}/iap_demo_CM4.bin
        ${CMAKE_CURRENT_SOURCE_DIR}/../iap_demo_CM4_${APP_VERSION}.bin
        COMMENT "Copying iap_demo_CM4.bin to parent directory"
)

if(WIN32)
    add_custom_command(TARGET iap_demo_CM4 POST_BUILD
            COMMAND ${TOOLS}/ImageBuilder/bin/image_builder_windows.exe
            --input ${CMAKE_CURRENT_SOURCE_DIR}/../iap_demo_CM4_${APP_VERSION}.bin
            --output ${CMAKE_CURRENT_SOURCE_DIR}/../iap_demo_CM4_${APP_VERSION}_bootable.img.bin

            COMMAND ${TOOLS}/ImageBuilder/bin/image_builder_windows.exe
            --input ${CMAKE_CURRENT_SOURCE_DIR}/../iap_demo_CM4_${APP_VERSION}.bin
            --output ${CMAKE_CURRENT_SOURCE_DIR}/../iap_demo_CM4_${APP_VERSION}_update.img

            COMMENT "Generating iap_demo_CM4 images using ImageBuilder"
    )
else()
    add_custom_command(TARGET iap_demo_CM4 POST_BUILD
            COMMAND ${TOOLS}/ImageBuilder/bin/image_builder_linux
            --input ${CMAKE_CURRENT_SOURCE_DIR}/../iap_demo_CM4_${APP_VERSION}.bin
            --output ${CMAKE_CURRENT_SOURCE_DIR}/../iap_demo_CM4_${APP_VERSION}.img.bin

            COMMAND ${TOOLS}/ImageBuilder/bin/image_builder_linux
            --input ${CMAKE_CURRENT_SOURCE_DIR}/../iap_demo_CM4_${APP_VERSION}.bin
            --output ${CMAKE_CURRENT_SOURCE_DIR}/../iap_demo_CM4_${APP_VERSION}_update.img

            COMMENT "Generating iap_demo_CM4 images using ImageBuilder"
    )
endif ()


