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pigweed / pigweed / quickstart / bazel / 88141a2b8ab70de9d3e7b45abd49f2257623b931
commit88141a2b8ab70de9d3e7b45abd49f2257623b931[log] [tgz]
authorpigweed-roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>Mon Jul 07 15:35:01 2025 -0700
committerCQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>Mon Jul 07 15:35:01 2025 -0700
treef1436e279ab3d019bed8663b710a698201dd1ec6
parent12a85d6c1582d774ec8becada8440689facbb3a3 [diff]
roll: pigweed 7fb50a5..8d66cd9 (4 commits)

8d66cd9:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/299092 pw_trace_tokenized: Fix timestamp for first event
75b6559:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/301134 pw_snaphot: Fix processor argparse types
81fe863:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/302452 pw_bluetooth_sapphire: Add status callback to StopAdvertising
edcb2a3:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/303173 pw_stream_uart_mcuxpresso: Ignore empty data

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Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/303273
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1 file changed
tree: f1436e279ab3d019bed8663b710a698201dd1ec6
  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.