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Fix for #3889

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This commit is contained in:
Blaz Kristan
2024-04-09 08:25:07 +02:00
parent ba9ce4adf2
commit 58e8346209
2 changed files with 17 additions and 12 deletions
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22
wled00/FX_fcn.cpp
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@@ -1656,19 +1656,23 @@ bool WS2812FX::deserializeMap(uint8_t n) {
return false; // if file does not load properly then exit
}
DEBUG_PRINT(F("Reading LED map from ")); DEBUG_PRINTLN(fileName);
if (customMappingTable) delete[] customMappingTable;
customMappingTable = new uint16_t[getLengthTotal()];
if (customMappingTable == nullptr) customMappingTable = new uint16_t[getLengthTotal()];
JsonObject root = pDoc->as<JsonObject>();
JsonArray map = root[F("map")];
if (!map.isNull() && map.size()) { // not an empty map
customMappingSize = min((unsigned)map.size(), (unsigned)getLengthTotal());
for (unsigned i=0; i<customMappingSize; i++) customMappingTable[i] = (uint16_t) (map[i]<0 ? 0xFFFFU : map[i]);
if (customMappingTable) {
DEBUG_PRINT(F("Reading LED map from ")); DEBUG_PRINTLN(fileName);
JsonObject root = pDoc->as<JsonObject>();
JsonArray map = root[F("map")];
if (!map.isNull() && map.size()) { // not an empty map
customMappingSize = min((unsigned)map.size(), (unsigned)getLengthTotal());
for (unsigned i=0; i<customMappingSize; i++) customMappingTable[i] = (uint16_t) (map[i]<0 ? 0xFFFFU : map[i]);
}
} else {
DEBUG_PRINTLN(F("ERROR LED map allocation error."));
}
releaseJSONBufferLock();
return true;
return (customMappingSize > 0);
}
uint16_t IRAM_ATTR WS2812FX::getMappedPixelIndex(uint16_t index) {