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(experimental) use malloc/realloc for customMappingTable

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if this works better, we should cherry-pick it into mdev.
This commit is contained in:
Frank
2023-05-21 19:38:04 +02:00
parent 894fdce4b5
commit fc193408d8
3 changed files with 28 additions and 8 deletions
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20
wled00/FX_fcn.cpp
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@@ -1478,7 +1478,7 @@ void WS2812FX::finalizeInit(void)
free(Segment::_globalLeds);
Segment::_globalLeds = nullptr;
}
if (useLedsArray) {
if (useLedsArray && getLengthTotal()>0) { // WLEDMM avoid malloc(0)
size_t arrSize = sizeof(CRGB) * getLengthTotal();
#if defined(ARDUINO_ARCH_ESP32) && defined(BOARD_HAS_PSRAM) && defined(WLED_USE_PSRAM)
if (psramFound())
@@ -1486,7 +1486,7 @@ void WS2812FX::finalizeInit(void)
else
#endif
Segment::_globalLeds = (CRGB*) malloc(arrSize);
memset(Segment::_globalLeds, 0, arrSize);
if (Segment::_globalLeds != nullptr) memset(Segment::_globalLeds, 0, arrSize); // WLEDMM avoid dereferencing null pointer
}
//segments are created in makeAutoSegments();
@@ -2155,9 +2155,18 @@ bool WS2812FX::deserializeMap(uint8_t n) {
//WLEDMM recreate customMappingTable if more space needed
if (Segment::maxWidth * Segment::maxHeight > customMappingTableSize) {
USER_PRINTF("deserializemap customMappingTable alloc %d from %d\n", Segment::maxWidth * Segment::maxHeight, customMappingTableSize);
if (customMappingTable != nullptr) delete[] customMappingTable;
customMappingTable = new uint16_t[Segment::maxWidth * Segment::maxHeight];
if (customMappingTable != nullptr) customMappingTableSize = Segment::maxWidth * Segment::maxHeight;
//if (customMappingTable != nullptr) delete[] customMappingTable;
//customMappingTable = new uint16_t[Segment::maxWidth * Segment::maxHeight];
// don't use new / delete
if (customMappingTable != nullptr) {
customMappingTable = (uint16_t*) reallocf(customMappingTable, sizeof(uint16_t) * Segment::maxWidth * Segment::maxHeight); // reallocf will free memory if it cannot resize
}
if (customMappingTable == nullptr) { // second try
DEBUG_PRINTLN("deserializeMap: trying to get fresh memory block.");
customMappingTable = (uint16_t*) calloc(Segment::maxWidth * Segment::maxHeight, sizeof(uint16_t));
if (customMappingTable == nullptr) DEBUG_PRINTLN("deserializeMap: alloc failed!");
}
if (customMappingTable != nullptr) customMappingTableSize = Segment::maxWidth * Segment::maxHeight;
}
if (customMappingTable != nullptr) {
@@ -2184,6 +2193,7 @@ bool WS2812FX::deserializeMap(uint8_t n) {
DEBUG_PRINTLN();
#endif
} else { // memory allocation error
customMappingTableSize = 0;
DEBUG_PRINTLN(F("Deserializemap: Ledmap alloc error."));
}