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Reduce memory fragmentation

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This commit is contained in:
Blaz Kristan 2023-12-16 12:38:15 +01:00
parent 076449a33d
commit 3d6fe0a565
2 changed files with 7 additions and 4 deletions
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9
wled00/FX_fcn.cpp
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@ -144,10 +144,13 @@ Segment& Segment::operator= (Segment &&orig) noexcept {
}
bool IRAM_ATTR Segment::allocateData(size_t len) {
if (data && _dataLen == len) return true; //already allocated
if (data && _dataLen >= len) { // already allocated enough (reduce fragmentation)
if (call == 0) memset(data, 0, len); // erase buffer if called during effect initialisation
return true;
}
//DEBUG_PRINTF("-- Allocating data (%d): %p\n", len, this);
deallocateData();
if (len == 0) return(false); // nothing to do
if (len == 0) return false; // nothing to do
if (Segment::getUsedSegmentData() + len > MAX_SEGMENT_DATA) {
// not enough memory
DEBUG_PRINT(F("!!! Effect RAM depleted: "));
@ -156,7 +159,7 @@ bool IRAM_ATTR Segment::allocateData(size_t len) {
}
// do not use SPI RAM on ESP32 since it is slow
data = (byte*) malloc(len);
if (!data) { DEBUG_PRINTLN(F("!!! Allocation failed. !!!")); return false; } //allocation failed
if (!data) { DEBUG_PRINTLN(F("!!! Allocation failed. !!!")); return false; } // allocation failed
Segment::addUsedSegmentData(len);
//DEBUG_PRINTF("--- Allocated data (%p): %d/%d -> %p\n", this, len, Segment::getUsedSegmentData(), data);
_dataLen = len;

2
wled00/wled.h
View File

@ -8,7 +8,7 @@
*/
// version code in format yymmddb (b = daily build)
#define VERSION 2312020
#define VERSION 2312160
//uncomment this if you have a "my_config.h" file you'd like to use
//#define WLED_USE_MY_CONFIG