esp-idf/components/spiffs/project_include.cmake

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2.8 KiB
CMake

# spiffs_create_partition_image
#
# Create a spiffs image of the specified directory on the host during build and optionally
# have the created image flashed using `idf.py flash`
function(spiffs_create_partition_image partition base_dir)
set(options FLASH_IN_PROJECT)
set(multi DEPENDS)
cmake_parse_arguments(arg "${options}" "" "${multi}" "${ARGN}")
idf_build_get_property(idf_path IDF_PATH)
set(spiffsgen_py ${PYTHON} ${idf_path}/components/spiffs/spiffsgen.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)
if(CONFIG_SPIFFS_USE_MAGIC)
set(use_magic "--use-magic")
endif()
if(CONFIG_SPIFFS_USE_MAGIC_LENGTH)
set(use_magic_len "--use-magic-len")
endif()
if(CONFIG_SPIFFS_FOLLOW_SYMLINKS)
set(follow_symlinks "--follow-symlinks")
endif()
# Execute SPIFFS 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(spiffs_${partition}_bin ALL
COMMAND ${spiffsgen_py} ${size} ${base_dir_full_path} ${image_file}
--page-size=${CONFIG_SPIFFS_PAGE_SIZE}
--obj-name-len=${CONFIG_SPIFFS_OBJ_NAME_LEN}
--meta-len=${CONFIG_SPIFFS_META_LENGTH}
${follow_symlinks}
${use_magic}
${use_magic_len}
DEPENDS ${arg_DEPENDS}
)
set_property(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" APPEND PROPERTY
ADDITIONAL_CLEAN_FILES
${image_file})
idf_component_get_property(main_args esptool_py FLASH_ARGS)
idf_component_get_property(sub_args esptool_py FLASH_SUB_ARGS)
# Last (optional) parameter is the encryption for the target. In our
# case, spiffs is not encrypt so pass FALSE to the function.
esptool_py_flash_target(${partition}-flash "${main_args}" "${sub_args}" ALWAYS_PLAINTEXT)
esptool_py_flash_to_partition(${partition}-flash "${partition}" "${image_file}")
add_dependencies(${partition}-flash spiffs_${partition}_bin)
if(arg_FLASH_IN_PROJECT)
esptool_py_flash_to_partition(flash "${partition}" "${image_file}")
add_dependencies(flash spiffs_${partition}_bin)
endif()
else()
set(message "Failed to create SPIFFS image for partition '${partition}'. "
"Check project configuration if using the correct partition table file.")
fail_at_build_time(spiffs_${partition}_bin "${message}")
endif()
endfunction()