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pigweed / pigweed / quickstart / bazel / a2d8e9f4bc086bf9288ddefd3669b9cc2b27beb5
commita2d8e9f4bc086bf9288ddefd3669b9cc2b27beb5[log] [tgz]
authorJimmy Chen <jimmycmchen@pigweed.infra.roller.google.com>Fri Mar 28 03:42:25 2025 -0700
committerCQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>Fri Mar 28 03:42:25 2025 -0700
treed902c0848e71b54e0419aa181eab2c63aed5b99c
parentd93b110a1522716747b25c6050e68850146eccd4 [diff]
roll: pigweed pw_bloat: Fix GN build for size report generation

The size report diff script was incorrectly configured to use a
different script than build.py. This prevented the correct generation of
size reports, leading to aggregation failures.

Original-Bug: 406638041
Test: Build
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/279712
Original-Revision: 4d461ead92fc71f755f30350a6d9d4919daab1fa

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: e078345062efc9..4d461ead92fc71
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8719159790097845521
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ibeda4bb41fa8f65532ccae2fc93b702db4aabb06
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/279953
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
1 file changed
tree: d902c0848e71b54e0419aa181eab2c63aed5b99c
  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.