roll: pigweed pw_spi: Minor enhancements to pw::spi::Config

* Implement operator!=
* Mark some methods as constexpr to enable compile-time equality
  checking.
* Add unit tests

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/238932
Presubmit-Verified: CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>
Original-Revision: c25923e13c339cc678e8900770a512b85064f99a

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 378689c0933d21..c25923e13c339c
Roller-URL: https://ci.chromium.org/b/8735336673352444129
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I89d8187f85e1fd2fb4a24d742121e62bc98cc7b0
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/showcase/sense/+/239032
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
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1 file changed
tree: 0b7e0f6dfc1864902171800cfbe76fd2c6ef7ce0
  1. .github/
  2. .vscode/
  3. apps/
  4. device/
  5. modules/
  6. system/
  7. targets/
  8. tools/
  9. web_app/
  10. .bazelignore
  11. .bazelrc
  12. .bazelversion
  13. .buildifier.json
  14. .clang-format
  15. .clangd.shared
  16. .gitignore
  17. .pw_console.yaml
  18. AUTHORS
  19. BUILD.bazel
  20. CONTRIBUTING.md
  21. LICENSE
  22. MODULE.bazel
  23. MODULE.bazel.lock
  24. OWNERS
  25. pigweed.json
  26. README.md
README.md

Sense

git clone https://pigweed.googlesource.com/pigweed/showcase/sense

Welcome to Pigweed Sense, a tour of key Pigweed components experienced through an imagined air quality product.

Please visit Sense: An interactive tour through Pigweed to get started.