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Prevent crash during blend if led init fails, https://github.com/wled/WLED/issues/4782

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This commit is contained in:
Will Tatam 2025-07-27 13:15:19 +01:00
parent b79e81f3be
commit e5ba97bbe2
1 changed files with 5 additions and 0 deletions
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5
wled00/FX_fcn.cpp
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@ -1344,6 +1344,11 @@ void WS2812FX::blendSegment(const Segment &topSegment) const {
uint8_t opacity = topSegment.currentBri(); // returns transitioned opacity for style FADE
uint8_t cct = topSegment.currentCCT();
if (length == 1) {
// Can't blend only a single pixel, prevents crash when bus init fails
return;
}
Segment::setClippingRect(0, 0); // disable clipping by default
const unsigned dw = (blendingStyle==BLEND_STYLE_OUTSIDE_IN ? progInv : progress) * width / 0xFFFFU + 1;