esp-idf/components/fatfs/project_include.cmake
2021-11-03 13:06:11 +01:00

52 lines
2.3 KiB
CMake

# fatfs_create_partition_image
#
# Create a fatfs image of the specified directory on the host during build and optionally
# have the created image flashed using `idf.py flash`
function(fatfs_create_partition_image partition base_dir)
set(options FLASH_IN_PROJECT)
cmake_parse_arguments(arg "${options}" "" "${multi}" "${ARGN}")
idf_build_get_property(idf_path IDF_PATH)
idf_build_get_property(python PYTHON)
set(fatfsgen_py ${python} ${idf_path}/components/fatfs/fatfsgen.py)
get_filename_component(base_dir_full_path ${base_dir} ABSOLUTE)
partition_table_get_partition_info(size "--partition-name ${partition}" "size")
partition_table_get_partition_info(offset "--partition-name ${partition}" "offset")
if("${size}" AND "${offset}")
set(image_file ${CMAKE_BINARY_DIR}/${partition}.bin)
# Execute FATFS image generation; this always executes as there is no way to specify for CMake to watch for
# contents of the base dir changing.
add_custom_target(fatfs_${partition}_bin ALL
COMMAND ${fatfsgen_py} ${base_dir_full_path}
--partition_size ${size}
--output_file ${image_file}
)
set_property(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" APPEND PROPERTY
ADDITIONAL_MAKE_CLEAN_FILES
${image_file})
idf_component_get_property(main_args esptool_py FLASH_ARGS)
idf_component_get_property(sub_args esptool_py FLASH_SUB_ARGS)
# Last (optional) parameter is the encryption for the target. In our
# case, fatfs is not encrypt so pass FALSE to the function.
esptool_py_flash_target(${partition}-flash "${main_args}" "${sub_args}" ALWAYS_PLAINTEXT)
esptool_py_flash_to_partition(${partition}-flash "${partition}" "${image_file}")
add_dependencies(${partition}-flash fatfs_${partition}_bin)
if(arg_FLASH_IN_PROJECT)
esptool_py_flash_to_partition(flash "${partition}" "${image_file}")
add_dependencies(flash fatfs_${partition}_bin)
endif()
else()
set(message "Failed to create FATFS image for partition '${partition}'. "
"Check project configuration if using the correct partition table file.")
fail_at_build_time(fatfs_${partition}_bin "${message}")
endif()
endfunction()