roll: pigweed b61bd3b..f1819cf (7 commits)

f1819cf:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/282935 pw_env_setup: Roll clang-next
402011f:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/260419 pw_presubmit: Check that rst files are in Bazel
b60380d:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/282912 pw_tokenizer: Skip spaces in domains
4d02310:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/282932 third_party: Add LLVM docs to Bazel build
59f60a7:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/282914 pw_trace_tokenized: Add missing type_traits include
4387b94:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/282732 pw_async2: Enable conversion warnings
68222f9:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/282452 pw_async2: Use IntrusiveForwardList for task wakers

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tree: d892842867e5a82e271ac7f590ce090b723547e6
  1. .github/
  2. .vscode/
  3. apps/
  4. modules/
  5. system/
  6. targets/
  7. tools/
  8. .bazelignore
  9. .bazelrc
  10. .bazelversion
  11. .buildifier.json
  12. .clang-format
  13. .clang-tidy
  14. .clangd.shared
  15. .gitignore
  16. .pw_console.yaml
  17. AUTHORS
  18. BUILD.bazel
  19. CONTRIBUTING.md
  20. LICENSE
  21. MODULE.bazel
  22. MODULE.bazel.lock
  23. OWNERS
  24. pigweed.json
  25. README.md
README.md

Pigweed: minimal Bazel example

This repository contains a minimal example of a Bazel-based Pigweed project. It is a LED-blinking service (featuring RPC control!) for the Raspberry Pi Pico. It can also be run on any computer using the included simulator.

Getting the code

git clone https://pigweed.googlesource.com/pigweed/quickstart/bazel pw_bazel_quickstart
cd pw_bazel_quickstart

Dependencies

The only dependency that must be installed is Bazelisk.

Bazelisk is a launcher for the Bazel build system that allows for easy management of multiple Bazel versions.

Instructions for installing Bazelisk can be found here.

Running on the simulator

To run the simulator, type: bazelisk run //apps/blinky:simulator_blinky Then, in a new console, connect to the simulator using: bazelisk run //apps/blinky:simulator_console

Running on hardware

To start, connect a Raspberry Pi Pico, Pico 2, or debug probe via USB.

To run on the Raspberry Pi Pico, type: bazelisk run //apps/blinky:flash_rp2040 Then, in a new console, connect to the device using: bazelisk run //apps/blinky:rp2040_console

Controlling the LED

Once connected with a console, RPCs can be sent to control the LED. Try running:

device.set_led(True)
device.set_led(False)
device.toggle_led()
device.blink(blink_count=3)

Running unit tests on the host device

bazelisk test //... will run the unit tests defined in this project, such as the ones in modules/blinky/blinky_test.cc.

Running unit tests on hardware

bazelisk run @pigweed//targets/rp2040/py:unit_test_server in one console followed by bazelisk test //... --config=rp2040 will also allow running the unit tests on-device.

Next steps

Try poking around the codebase for inspiration about how Pigweed projects can be organized. Most of the relevant code in this quickstart (including RPC definitions) is inside modules/blinky, with some client-side Python code in tools/console.py.