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Implement bus creation fallback when memory limit exceeded

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Co-authored-by: DedeHai <6280424+DedeHai@users.noreply.github.com>
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copilot-swe-agent[bot]
2025-09-15 04:52:35 +00:00
parent 6c0c875fe6
commit a441ee81b6
1 changed files with 12 additions and 0 deletions
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12
wled00/FX_fcn.cpp
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@@ -13,6 +13,10 @@
#include "FXparticleSystem.h" // TODO: better define the required function (mem service) in FX.h? #include "FXparticleSystem.h" // TODO: better define the required function (mem service) in FX.h?
#include "palettes.h" #include "palettes.h"
#ifndef DEFAULT_LED_COLOR_ORDER
#define DEFAULT_LED_COLOR_ORDER COL_ORDER_GRB //default to GRB
#endif
/* /*
Custom per-LED mapping has moved! Custom per-LED mapping has moved!
@@ -1182,6 +1186,14 @@ void WS2812FX::finalizeInit() {
busConfigs.clear(); busConfigs.clear();
busConfigs.shrink_to_fit(); busConfigs.shrink_to_fit();
// ensure at least one bus exists as fallback to prevent UI issues and provide basic LED output
if (BusManager::getNumBusses() == 0) {
DEBUG_PRINTLN(F("No buses created due to memory limits! Creating fallback bus with default LED count."));
uint8_t defPin[1] = {DEFAULT_LED_PIN};
BusConfig defCfg = BusConfig(DEFAULT_LED_TYPE, defPin, 0, DEFAULT_LED_COUNT, DEFAULT_LED_COLOR_ORDER, false, 0, RGBW_MODE_MANUAL_ONLY, 0);
BusManager::add(defCfg);
}
_length = 0; _length = 0;
for (size_t i=0; i<BusManager::getNumBusses(); i++) { for (size_t i=0; i<BusManager::getNumBusses(); i++) {
Bus *bus = BusManager::getBus(i); Bus *bus = BusManager::getBus(i);