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pigweed / pigweed / quickstart / bazel / af55a67ef10158ed5e3a9fa8b4a15cc0d355e7f0
commitaf55a67ef10158ed5e3a9fa8b4a15cc0d355e7f0[log] [tgz]
authorpigweed-roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>Tue May 13 13:22:45 2025 -0700
committerCQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>Tue May 13 13:22:45 2025 -0700
treedc5025a81b92cbc4211832dcc9e07a0f29c6119b
parent139c1b9690299aa8cf347c679d9649d2942609f9 [diff]
roll: pigweed 8621a1f..0a0649f (4 commits)

0a0649f:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/290953 pw_containers: Mark test_helpers as testonly
d5c8140:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/289974 pw_bluetooth_sapphire: Use async::Dispatcher for clock in ISO
b8c2438:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/289874 pw_bluetooth_sapphire: Add wake leases to IsoStream
b092974:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/289816 pw_bluetooth_sapphire: Add wake leases to IsoDataChannel

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Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/290993
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1 file changed
tree: dc5025a81b92cbc4211832dcc9e07a0f29c6119b
  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.