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Dev Setup

Toolchain requirements

  • Install and use ESP-IDF 5.4 or newer. The CI pipeline builds against the release-v5.4 toolchain to ensure the project uses the NG I²C driver stack exclusively.
  • Run python3 fetch_repos.py before building so that managed components are pulled into the workspace or refreshed to the pinned revisions.

Build checklist

  1. Set the target with idf.py set-target esp32p4 the first time you configure a new working tree.
  2. Run idf.py build from platforms/tab5/ before sending a change for review.
  3. Format any modified C or C++ sources with ./tools/clang_tools.sh format. Run ./tools/clang_tools.sh tidy (or fix) when you need clang-tidy to apply additional suggestions.
  4. If you touch component metadata, run idf.py lint to validate the manifest files.

Wi-Fi remote firmware

ESP-IDF 5.4.2 ships the ESP32 Wi-Fi remote project in $IDF_PATH/components/espressif__esp_hosted/slave. Build and flash it once so the Tab5 SDIO link negotiates correctly:

cd "$IDF_PATH/components/espressif__esp_hosted/slave"
idf.py set-target esp32
idf.py build
idf.py -p <remote_port> flash

The build drops build/network_adapter.bin if you prefer flashing with esptool.py. Future ESP32-C6 variants should publish their binaries as external artifacts instead of committing them to the repo.