roll: pigweed 23b9953..84eee29 (8 commits)

84eee29:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/271373 pw_allocator: Reorganize block unit tests
fdb976b:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/271153 pw_preprocessor: rm BUILD.bazel list comprehension
9814a13:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/271372 pw_allocator: Simplify block unit test trait assetions
48cfde5:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/271152 pw_malloc: Remove build file variables
8b4d2d5:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/271473 pw_kernel: Add Cortex-M33 mps2-an505 QEMU platform
89e33bd:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/270413 .*: Replace pw_assert dependency
e3c7b6b:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/271472 fuchsia_sdk: Replace fuchsia_sdk load statements with rules_fuchsia
d643928:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/271592 pw_trace: Fix typo, add missing macro to doc

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
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Change-Id: I4a99a0247ebd6e828ec4e63b9040b8755946ba3a
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/quickstart/bazel/+/271633
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1 file changed
tree: 0f2d36b7926ccc769e7f06c456f38a96b8c45227
  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.