Google Git
Sign in
pigweed / pigweed / quickstart / bazel / 72516c63e5d0f7178568741d7513aef61d4c342a
commit72516c63e5d0f7178568741d7513aef61d4c342a[log] [tgz]
authorpigweed-roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>Tue Mar 04 11:35:58 2025 -0800
committerCQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>Tue Mar 04 11:35:58 2025 -0800
tree7553e875ed235ac00286e44e4c7cfea4441e7e86
parent53733745fe2205ca8070efbd8686ecf1b0f7b8b4 [diff]
roll: pigweed 04dc1da..b979d61 (4 commits)

b979d61:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/272773 pw_toolchain: ARM Cortex-M4f configs
323d1bf:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/272793 pw_kernel: Use mod_name.rs instead of mod_name/mod.rs
e319db3:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/232351 pw_metric: Use atomic operations
8d5512e:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/272575 pw_presubmit: Load formatting path exclusions

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 04dc1da93d3496..b979d61c923679
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8721300459671611121
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: If4784a0e08251dd0c5a4d583ca14382dcb8a5c5a
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/272581
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
1 file changed
tree: 7553e875ed235ac00286e44e4c7cfea4441e7e86
  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.