Document palette types and the palette ID scheme in the JSON API - #367
Document palette types and the palette ID scheme in the JSON API#367bharvey88 wants to merge 5 commits into
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WalkthroughThe JSON API documentation now uses a consistent heading hierarchy, includes client library references, expands palette and effect details, documents sensors, and replaces the API route list with a route contents table. ChangesJSON API documentation
Estimated code review effort: 2 (Simple) | ~10 minutes Merge Risk: ⚪ Minimal · up to The PR only changes API documentation and does not affect runtime behavior. Merge readiness is minimally impacted by localized table-formatting lint errors and a visible Suggested reviewers: Poem
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In `@docs/interfaces/json-api.md`:
- Line 34: Correct the API name spelling in the python-wled entry by replacing
“Weboscket” with “WebSocket,” preserving the existing link and surrounding text.
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@coderabbitai please check if the modified page is aligned with the WLED source code in https://github.com/wled/WLED/tree/main/wled00 |
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Tip For best results, initiate chat on the files or code changes. 🧩 Analysis chain🏁 Script executed: #!/bin/bash
set -euo pipefail
echo '=== PR `#367` diff for docs/interfaces/json-api.md ==='
gh api \
'repos/wled/WLED-Docs/pulls/367/files?per_page=100' \
--jq '.[] | select(.filename == "docs/interfaces/json-api.md") | .patch'
echo
echo '=== Outline of modified documentation ==='
ast-grep outline docs/interfaces/json-api.md --items all --type heading 2>/dev/null || \
rg -n '^(#{1,6})\s' docs/interfaces/json-api.md
echo
echo '=== Documentation lines containing palette and Info JSON fields ==='
rg -n -C 4 'cpalcount|umpalcount|cpalmax|umpalnames|palcount|palette|pal`|`pal' docs/interfaces/json-api.md
echo
echo '=== Current WLED wled00 source: candidate files ==='
gh api 'repos/wled/WLED/git/trees/main?recursive=1' --paginate \
--jq '.tree[] | select(.path | startswith("wled00/")) | select(.path | test("(^|/)(json|FX|pal|usermod|wled)"; "i")) | .path' \
| head -n 120Length of output: 30111 🏁 Script executed: #!/bin/bash
set -euo pipefail
workdir="$(mktemp -d)"
trap 'rm -rf "$workdir"' EXIT
files=(
"wled00/json.cpp"
"wled00/palettes.cpp"
"wled00/FX.h"
"wled00/FX.cpp"
"wled00/const.h"
"wled00/wled.h"
"wled00/fcn_declare.h"
)
for file in "${files[@]}"; do
destination="$workdir/${file##*/}"
gh api "repos/wled/WLED/contents/$file?ref=main" --jq '.content' \
| base64 --decode > "$destination"
done
echo '=== Source matches for palette, Info, and JSON-route identifiers ==='
rg -n -i -C 5 \
'cpalcount|umpalcount|cpalmax|umpalnames|palcount|palette.*(start|count|max)|custom.*palette|usermod.*palette|/json/(palx|pins|live|pal|fxdata)|json/pal|json/pins' \
"$workdir"
echo
echo '=== Relevant constants and palette registration declarations ==='
rg -n -i -C 8 \
'`#define`.*(PAL|CPAL|UMPAL)|constexpr.*(PAL|CPAL|UMPAL)|static.*(PAL|CPAL|UMPAL)|register.*[Pp]alette|[Pp]alette.*register' \
"$workdir"
echo
echo '=== Current main version identifiers ==='
rg -n -C 2 'VERSION|version' "$workdir/const.h" "$workdir/wled.h" 2>/dev/null || trueLength of output: 128173 🏁 Script executed: #!/bin/bash
set -euo pipefail
workdir="$(mktemp -d)"
trap 'rm -rf "$workdir"' EXIT
tree_json="$(gh api 'repos/wled/WLED/git/trees/main?recursive=1')"
printf '%s' "$tree_json" \
| jq -r '.tree[].path' \
| rg '(^|/)(FX_fcn\.cpp|FX\.h|wled_server\.cpp|wled_server\.h|json\.cpp|const\.h|wled\.h)$' \
| while read -r file; do
gh api "repos/wled/WLED/contents/$file?ref=main" --jq '.content' \
| base64 --decode > "$workdir/$(basename "$file")"
done
echo '=== Palette count and input validation ==='
rg -n -C 10 'getPaletteCount\s*\(|getVal\s*\(' "$workdir"
echo
echo '=== JSON route registration and handlers ==='
rg -n -C 6 '"/json|JSON_PATH_|serveJson|serializePalx|pins' "$workdir"
echo
echo '=== History: API fields and new palette allocation ==='
for query in \
'cpalcount' \
'umpalcount' \
'cpalmax' \
'umpalnames' \
'WLED_CUSTOM_PALETTE_ID_BASE'
do
echo "--- $query ---"
gh api -X GET 'search/commits' \
-H 'Accept: application/vnd.github+json' \
-f "q=${query} repo:wled/WLED" \
--jq '.items[:5][] | [.sha[0:12], .commit.author.date, .commit.message | split("\n")[0]] | `@tsv`' \
|| true
doneLength of output: 38421 🏁 Script executed: #!/bin/bash
set -euo pipefail
workdir="$(mktemp -d)"
trap 'rm -rf "$workdir"' EXIT
curl --fail --location --silent --show-error \
'https://api.github.com/repos/wled/WLED/tarball/main' \
-o "$workdir/wled-main.tar.gz"
tar --extract --gzip --file "$workdir/wled-main.tar.gz" --directory "$workdir"
main_dir="$(find "$workdir" -mindepth 1 -maxdepth 1 -type d | head -n 1)"
echo '=== Current main: palette count and custom-palette loading ==='
rg -n -C 12 'getPaletteCount\s*\(|loadCustomPalettes\s*\(|palette%d\.json|WLED_MAX_CUSTOM_PALETTES' \
"$main_dir/wled00"
echo
for tag in v0.14.0 v0.16.0; do
echo "=== $tag: relevant JSON fields and palette behavior ==="
curl --fail --location --silent --show-error \
"https://api.github.com/repos/wled/WLED/tarball/$tag" \
-o "$workdir/$tag.tar.gz"
mkdir "$workdir/$tag"
tar --extract --gzip --file "$workdir/$tag.tar.gz" --directory "$workdir/$tag"
tag_dir="$(find "$workdir/$tag" -mindepth 1 -maxdepth 1 -type d | head -n 1)"
rg -n -C 4 \
'cpalcount|umpalcount|cpalmax|umpalnames|getPaletteCount\s*\(|loadCustomPalettes\s*\(' \
"$tag_dir/wled00" || true
doneLength of output: 58966
The following items match:
I found three discrepancies:
The historical check completed for WLED v0.14.0. The requested You are interacting with an AI system. |
Thanks @coderabbitai. WLED releases use a different tag scheme since 16.0 - the correct tag for release 16.0.1 is |
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Tip For best results, initiate chat on the files or code changes.
🐇 ✏️ Learnings added
You are interacting with an AI system. |
| WLED has three types of palettes: | ||
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| - **Built-in palettes** are compiled into the firmware. | ||
| - **Custom palettes** are created by the user, either in the web UI or by uploading `palette0.json` to `palette9.json` files. _(available since 0.14.0)_ |
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since 16.0 more files are allowed
3 participants
This supersedes #317 by @mik-laj, which is now conflicting after the recent docs rework and appears unmaintained since May. The structure and idea are theirs; this version is rebased onto current main and re-verified against the WLED source.
Changes:
cpalcount,umpalcount,cpalmax, andumpalnamesto the Info object tablepalrange to 0 to 255 and points it at the new sectionDifferences from #317, checked against the firmware source:
cpalcountis available since 0.14.0 (not 0.11.0), legacypalcountincludes custom palettes, custom palettes display as~ Custom 0 ~(zero-based), and the newcpalmaxfield is included.Also on the same page, in separate commits:
/json/pinsroute, and links each route to its section##sections, which AGENTS.md calls out) so the table of contents works as an outline. Heading slugs are unchanged, so existing anchors keep workingSummary by CodeRabbit