# ulp_embed_binary # # Create ULP binary and embed into the application. function(ulp_embed_binary app_name s_sources exp_dep_srcs) if(NOT CMAKE_BUILD_EARLY_EXPANSION) spaces2list(s_sources) foreach(source ${s_sources}) get_filename_component(source ${source} ABSOLUTE BASE_DIR ${CMAKE_CURRENT_LIST_DIR}) list(APPEND sources ${source}) endforeach() foreach(source ${sources}) get_filename_component(ps_source ${source} NAME_WE) set(ps_output ${CMAKE_CURRENT_BINARY_DIR}/${app_name}/${ps_source}.ulp.S) list(APPEND ps_sources ${ps_output}) endforeach() set(ulp_artifacts_prefix ${CMAKE_CURRENT_BINARY_DIR}/${app_name}/${app_name}) set(ulp_artifacts ${ulp_artifacts_prefix}.bin ${ulp_artifacts_prefix}.ld ${ulp_artifacts_prefix}.h) set(ulp_artifacts_extras ${ulp_artifacts_prefix}.map ${ulp_artifacts_prefix}.sym ${CMAKE_CURRENT_BINARY_DIR}/${app_name}/esp32.ulp.ld) # Replace the separator for the list of ULP source files that will be passed to # the external ULP project. This is a workaround to the bug https://public.kitware.com/Bug/view.php?id=16137. string(REPLACE ";" "|" ulp_s_sources "${ulp_s_sources}") idf_build_get_property(sdkconfig_header SDKCONFIG_HEADER) idf_build_get_property(idf_path IDF_PATH) idf_build_get_property(python PYTHON) idf_build_get_property(extra_cmake_args EXTRA_CMAKE_ARGS) if(IDF_TARGET STREQUAL "esp32") set(TOOLCHAIN_FLAG ${idf_path}/components/ulp/cmake/toolchain-esp32-ulp.cmake) endif() if(IDF_TARGET STREQUAL "esp32s2") set(TOOLCHAIN_FLAG ${idf_path}/components/ulp/cmake/toolchain-esp32s2-ulp.cmake) endif() externalproject_add(${app_name} SOURCE_DIR ${idf_path}/components/ulp/cmake BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/${app_name} INSTALL_COMMAND "" CMAKE_ARGS -DCMAKE_GENERATOR=${CMAKE_GENERATOR} -DCMAKE_TOOLCHAIN_FILE=${TOOLCHAIN_FLAG} -DULP_S_SOURCES=$ -DULP_APP_NAME=${app_name} -DCOMPONENT_DIR=${COMPONENT_DIR} -DCOMPONENT_INCLUDES=$ -DIDF_PATH=${idf_path} -DSDKCONFIG_HEADER=${SDKCONFIG_HEADER} -DPYTHON=${python} ${extra_cmake_args} BUILD_COMMAND ${CMAKE_COMMAND} --build ${CMAKE_CURRENT_BINARY_DIR}/${app_name} --target build BUILD_BYPRODUCTS ${ulp_artifacts} ${ulp_artifacts_extras} ${ulp_ps_sources} ${CMAKE_CURRENT_BINARY_DIR}/${app_name}/${app_name} BUILD_ALWAYS 1 ) set_property(TARGET ${app_name} PROPERTY ULP_SOURCES "${sources}") spaces2list(exp_dep_srcs) set_source_files_properties(${exp_dep_srcs} PROPERTIES OBJECT_DEPENDS ${ulp_artifacts}) include_directories(${CMAKE_CURRENT_BINARY_DIR}/${app_name}) add_custom_target(${app_name}_artifacts DEPENDS ${app_name}) add_dependencies(${COMPONENT_LIB} ${app_name}_artifacts) target_linker_script(${COMPONENT_LIB} INTERFACE ${CMAKE_CURRENT_BINARY_DIR}/${app_name}/${app_name}.ld) target_add_binary_data(${COMPONENT_LIB} ${CMAKE_CURRENT_BINARY_DIR}/${app_name}/${app_name}.bin BINARY) endif() endfunction()