apps/production: LED and proximity demo improvements

- Only set the LED color and brightness when they change, which avoids
  flickering.
- Use a moving average for proximity readings.

Change-Id: Ica22f3bab0a978f7b4acdc0cd3fc219afd02bdde
Reviewed-on: https://pigweed-internal-review.git.corp.google.com/c/pigweed/showcase/rp2/+/73031
Commit-Queue: Auto-Submit <auto-submit@pw-internal-service-accounts.iam.gserviceaccount.com>
Pigweed-Auto-Submit: Wyatt Hepler <hepler@google.com>
Reviewed-by: Taylor Cramer <cramertj@google.com>
8 files changed
tree: 8ebf1050e9f78b984d575d151495204e729847f5
  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. .clang-format
  14. .clangd.shared
  15. .gitignore
  16. .pw_console.yaml
  17. AUTHORS
  18. BUILD.bazel
  19. CONTRIBUTING.md
  20. LICENSE
  21. MODULE.bazel
  22. OWNERS
  23. pigweed.json
  24. README.md
README.md

Pigweed Open Source Template Repository

This repository is a template that we will use when creating new open source repositories for Pigweed.