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pigweed / pigweed / quickstart / bazel / e315604b4f87885859d7fef36c0aa7b2b4c8f211
commite315604b4f87885859d7fef36c0aa7b2b4c8f211[log] [tgz]
authorpigweed-roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>Fri Apr 04 16:54:27 2025 -0700
committerCQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>Fri Apr 04 16:54:27 2025 -0700
tree3fd1a0267640e335cf2642a49bd79aa6d51aa62f
parentefcb59e2e8c1f256c994cbc7ef03ec40b0ac4d70 [diff]
roll: pigweed f59444c..90d1391 (12 commits)

90d1391:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/281383 mbedtls: Remove `-fno-lto` from config
284af91:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/281278 pw_kernel: Support Rust ABI thread entry points
d780738:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/280836 pw_bluetooth_sapphire: Acquire wake leases in CommandChannel
5e3fd74:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/278013 pw_bluetooth_sapphire: Acquire wake leases in l2cap::ChannelImpl
d91e37c:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/277233 pw_kernel: Implement syscalls
143289f:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/281452 pw_tokenizer: Move test out of pw::tokenizer to reflect real use
7ce7812:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/281279 bazel: Explicitly specify platforms for crates_std
7a7e380:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/281374 pw_kernel: Thread entrypoints are `extern "C" fn`s
0478608:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/280977 pw_kernel: Add optional Mutex debug logging
26e657b:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/269613 LTO: Retain symbols that were discarded by LTO
58e290a:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/245173 pw_tokenizer: Clarify tokenization in headers
b6ba89f:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/281392 bazel: Update libusb source hash

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: f59444c8dae1be..90d1391ff0c2fc
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8718475686117913121
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ide6a823053341614fb5d6ba785d0b665245c2bb1
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/281434
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
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2 files changed
tree: 3fd1a0267640e335cf2642a49bd79aa6d51aa62f
  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.