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Optimized JSON buffer usage (pre-serialized color arrays)

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cschwinne 2021-06-17 19:46:18 +02:00
parent 0b264176bc
commit dfdb22f584
3 changed files with 32 additions and 11 deletions
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4
CHANGELOG.md
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@ -2,6 +2,10 @@
### Builds after release 0.12.0
#### Build 2106170
- Optimized JSON buffer usage (pre-serialized color arrays)
#### Build 2106140
- Updated main logo

37
wled00/json.cpp
View File

@ -330,24 +330,38 @@ void serializeSegment(JsonObject& root, WS2812FX::Segment& seg, byte id, bool fo
JsonArray colarr = root.createNestedArray("col");
char colstr[70]; //max len 68 (5 chan, all 255)
obuf = colstr; olen = 0;
oappend("[");
for (uint8_t i = 0; i < 3; i++)
{
JsonArray colX = colarr.createNestedArray();
oappend("[");
if (id == strip.getMainSegmentId() && i < 2) //temporary, to make transition work on main segment
{
if (i == 0) {
colX.add(col[0]); colX.add(col[1]); colX.add(col[2]); if (strip.isRgbw) colX.add(col[3]);
} else {
colX.add(colSec[0]); colX.add(colSec[1]); colX.add(colSec[2]); if (strip.isRgbw) colX.add(colSec[3]);
byte* c = (i == 0)? col:colSec;
oappendi(c[0]); oappend(",");
oappendi(c[1]); oappend(",");
oappendi(c[2]);
if (strip.isRgbw) {
oappend(","); oappendi(c[3]);
}
} else {
colX.add((seg.colors[i] >> 16) & 0xFF);
colX.add((seg.colors[i] >> 8) & 0xFF);
colX.add((seg.colors[i]) & 0xFF);
if (strip.isRgbw)
colX.add((seg.colors[i] >> 24) & 0xFF);
oappendi((seg.colors[i] >> 16) & 0xFF); oappend(",");
oappendi((seg.colors[i] >> 8) & 0xFF); oappend(",");
oappendi((seg.colors[i]) & 0xFF);
if (strip.isRgbw) {
oappend(","); oappendi((seg.colors[i] >> 24) & 0xFF);
}
}
oappend("]");
if (i < 2) oappend(",");
}
oappend("]");
root["col"] = serialized(colstr);
root[F("fx")] = seg.mode;
root[F("sx")] = seg.speed;
@ -790,6 +804,9 @@ void serveJson(AsyncWebServerRequest* request)
}
}
DEBUG_PRINT("JSON buffer size: ");
DEBUG_PRINTLN(doc.memoryUsage());
response->setLength();
request->send(response);
}

2
wled00/wled.h
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@ -8,7 +8,7 @@
*/
// version code in format yymmddb (b = daily build)
#define VERSION 2106140
#define VERSION 2106170
//uncomment this if you have a "my_config.h" file you'd like to use
//#define WLED_USE_MY_CONFIG