Google Git
Sign in
pigweed / pigweed / quickstart / bazel / 90be282815aa2c94b54aac3662ca1ec2ad283222
commit90be282815aa2c94b54aac3662ca1ec2ad283222[log] [tgz]
authorpigweed-roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>Mon Jan 27 13:17:39 2025 -0800
committerCQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>Mon Jan 27 13:17:39 2025 -0800
treec9bfe94a4b1909fc2152bb492bd9b2ede708ba20
parent1ced1878f9dce5123fcf0ce66f6a511a46f4dc12 [diff]
roll: pigweed 4e84475..91cef99 (3 commits)

91cef99:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/261892 pw_sensor: Allow attributes on device/trigger
3bb9e25:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/261852 pw_sensor: Code generation support for unscoped parts
f0e43d9:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/262812 bazel: Add clang-tidy to CQ

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 4e84475674faf7..91cef992d77b33
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8724555562248716593
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I87529496b63ffcf6ee58a184686c11ef005910ff
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/263015
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
1 file changed
tree: c9bfe94a4b1909fc2152bb492bd9b2ede708ba20
  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. .clangd.shared
  14. .gitignore
  15. .pw_console.yaml
  16. AUTHORS
  17. BUILD.bazel
  18. CONTRIBUTING.md
  19. LICENSE
  20. MODULE.bazel
  21. MODULE.bazel.lock
  22. OWNERS
  23. pigweed.json
  24. 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.