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Refactor the esp_err_to_name() system to decouple esp_common from higher-level components. Instead of a monolithic generated table, each component registers its error codes into a dedicated linker section (.esp_err_msg_table) via idf_define_esp_err_codes() in its CMakeLists.txt. New files: - tools/err_codes_extract.py: extract ESP_ERR_* defines from headers to CSV - tools/err_codes_to_c.py: generate C source placing entries into linker section - tools/err_codes_to_rst.py: generate RST documentation from error codes - tools/cmake/err_codes.cmake: CMake module providing idf_define_esp_err_codes() - components/esp_common/include/esp_err_codes.h: esp_err_msg_t typedef - components/esp_common/src/esp_err_to_name_new.c: new lookup using link-time array - tools/test_apps/build_system/err_codes_check/: CI test app Changes: - Remove all optional component dependencies from esp_common/CMakeLists.txt - Add .esp_err_msg_table section to all 5 linker scripts - Register error codes in 18 components via idf_define_esp_err_codes() - Add new scripts to .gitlab/ci/rules.yml build_check patterns - use new scripts to generate doc and add CI validation - Update esp_err.rst to add description of composable code registration
| Supported Targets | ESP32 | Linux |
|---|
Error Codes Registration Check
This test app verifies that all ESP_ERR_* error codes defined across ESP-IDF
components are correctly registered via idf_define_esp_err_codes() and can be
resolved by esp_err_to_name().
How it works
- At CMake configure time,
err_codes_extract.pyscans all ESP-IDF component headers to collect everyESP_ERR_*define. - A test source file is generated that calls
esp_err_to_name()for each collected error code and asserts the result matches the expected name. - The app is built and run (e.g., in QEMU or on hardware).
Building and running
cd tools/test_apps/build_system/err_codes_check
idf.py set-target esp32
idf.py build
# Run in QEMU or flash to hardware