idf_component_register(SRCS "esp_ota_ops.c" "esp_app_desc.c" INCLUDE_DIRS "include" REQUIRES spi_flash partition_table bootloader_support) # esp_app_desc structure is added as an undefined symbol because otherwise the # linker will ignore this structure as it has no other files depending on it. target_link_libraries(${COMPONENT_LIB} INTERFACE "-u esp_app_desc") # cut PROJECT_VER and PROJECT_NAME to required 32 characters. idf_build_get_property(project_ver PROJECT_VER) idf_build_get_property(project_name PROJECT_NAME) string(SUBSTRING "${project_ver}" 0 31 PROJECT_VER_CUT) string(SUBSTRING "${project_name}" 0 31 PROJECT_NAME_CUT) set_source_files_properties( SOURCE "esp_app_desc.c" PROPERTIES COMPILE_DEFINITIONS "PROJECT_VER=\"${PROJECT_VER_CUT}\"; PROJECT_NAME=\"${PROJECT_NAME_CUT}\"") if(NOT BOOTLOADER_BUILD) partition_table_get_partition_info(otadata_offset "--partition-type data --partition-subtype ota" "offset") partition_table_get_partition_info(otadata_size "--partition-type data --partition-subtype ota" "size") # Add custom target for generating empty otadata partition for flashing if(otadata_size AND otadata_offset) idf_build_get_property(build_dir BUILD_DIR) set(blank_otadata_file ${build_dir}/ota_data_initial.bin) idf_build_get_property(idf_path IDF_PATH) idf_build_get_property(python PYTHON) add_custom_command(OUTPUT ${blank_otadata_file} COMMAND ${python} ${idf_path}/components/partition_table/gen_empty_partition.py ${otadata_size} ${blank_otadata_file}) add_custom_target(blank_ota_data ALL DEPENDS ${blank_otadata_file}) add_dependencies(flash blank_ota_data) set(otatool_py ${python} ${COMPONENT_DIR}/otatool.py) add_custom_target(read_otadata DEPENDS "${PARTITION_CSV_PATH}" COMMAND ${otatool_py} --partition-table-file ${PARTITION_CSV_PATH} --partition-table-offset ${PARTITION_TABLE_OFFSET} read_otadata) add_custom_target(erase_otadata DEPENDS "${PARTITION_CSV_PATH}" COMMAND ${otatool_py} --partition-table-file ${PARTITION_CSV_PATH} --partition-table-offset ${PARTITION_TABLE_OFFSET} erase_otadata) esptool_py_flash_project_args(otadata ${otadata_offset} "${blank_otadata_file}" FLASH_IN_PROJECT) endif() endif()