Google Git
Sign in
pigweed/pigweed/quickstart/bazel/8d00c2e1e3bfff34c3bf26e997734439b686cdf9
commit
8d00c2e1e3bfff34c3bf26e997734439b686cdf9
[log]
author
pigweed-roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Fri Apr 17 13:49:17 2026 -0700
committer
CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>
Fri Apr 17 13:49:17 2026 -0700
tree
45808350e1be0dec7478e5eaba472c934ccf4782
parent
a1cdd566ddbfcb8534992c600d8ab9036f5b90d8 [diff]
roll: pigweed 227214a..75db3d3 (5 commits)

75db3d3:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/399052 workflows.json: Split "host" (2/2)
599c42f:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/399394 pw_kernel: Enable userspace build by default
c3ece5a:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/396932 bazel: Add license to root BUILD.bazel
6e8a3c3:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/397336 pw_protobuf: Fix strict aliasing for enums and int32_t
760967a:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/399352 pw_chrono: Add pw_numeric to Android.bp

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 227214ac7a6f87..75db3d36ecd729
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8684241859191451809
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ic3e3e2ed2310209b291a0fe4cdda9107d3878d7c
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/399377
1 file changed
tree: 45808350e1be0dec7478e5eaba472c934ccf4782
  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. .pylintrc
  18. AUTHORS
  19. BUILD.bazel
  20. CONTRIBUTING.md
  21. LICENSE
  22. MODULE.bazel
  23. MODULE.bazel.lock
  24. mypy.ini
  25. OWNERS
  26. pw
  27. README.md
  28. workflows.json
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.