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
#

# 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()

# Set the project name
set(CMAKE_PROJECT_NAME freeRTOS_GCC)

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

# Core project settings
project(${CMAKE_PROJECT_NAME})
message("Build type: " ${CMAKE_BUILD_TYPE})
set(MCU_FLAGS "-mcpu=cortex-m3 -mthumb -mfloat-abi=soft -Os -ffunction-sections -fdata-sections")

# 把参数喂给 C 编译器
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${MCU_FLAGS}")

# 如果你有 C++ 代码，也得喂
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${MCU_FLAGS}")

# 汇编器也不能落下 (startup.s 需要它)
set(CMAKE_ASM_FLAGS "${CMAKE_ASM_FLAGS} ${MCU_FLAGS}")

# 链接器也需要知道它是给谁干活
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${MCU_FLAGS}")
# Enable CMake support for ASM and C languages
enable_language(C ASM)

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

# Add STM32CubeMX generated sources
add_subdirectory(cmake/stm32cubemx)

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

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

# Add include paths
target_include_directories(${CMAKE_PROJECT_NAME} PRIVATE
    # Add user defined include paths
)

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

# Remove wrong libob.a library dependency when using cpp files
list(REMOVE_ITEM CMAKE_C_IMPLICIT_LINK_LIBRARIES ob)

# Add linked libraries
target_link_libraries(${CMAKE_PROJECT_NAME}
    stm32cubemx

    # Add user defined libraries
)

target_link_options(${CMAKE_PROJECT_NAME} PRIVATE
        # 这里的 STM32F103C8Tx_FLASH.ld 必须和你工程根目录下的 .ld 文件名一致！
        -T "${CMAKE_SOURCE_DIR}/STM32F103XX_FLASH.ld"
        -Wl,-Map=${CMAKE_PROJECT_NAME}.map
        -Wl,--gc-sections
        #-u _printf_float
        --specs=nano.specs
        --specs=nosys.specs
)