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use same approach for ledmap as is done in gap file #5242

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use same approach for ledmap as is done in gap file #5242

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9d9c229
use same approach for ledma as is done in gap file
DedeHai Dec 29, 2025
169792f
move array access after nullpointer check
DedeHai Dec 31, 2025
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4 changes: 4 additions & 0 deletions wled00/FX_fcn.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2005,6 +2005,10 @@ bool WS2812FX::deserializeMap(unsigned n) {

d_free(customMappingTable);
customMappingTable = static_cast<uint16_t*>(d_malloc(sizeof(uint16_t)*getLengthTotal())); // prefer DRAM for speed
// fill with empty in case we don't fill the entire matrix
unsigned matrixSize = Segment::maxWidth * Segment::maxHeight;
for (unsigned i = 0; i<matrixSize; i++) customMappingTable[i] = 0xFFFFU;
for (unsigned i = matrixSize; i<getLengthTotal(); i++) customMappingTable[i] = i; // trailing LEDs for ledmap (after matrix) if it exist

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if (customMappingTable) {
DEBUG_PRINTF_P(PSTR("ledmap allocated: %uB\n"), sizeof(uint16_t)*getLengthTotal());
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