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Fix for wled#4759

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This commit is contained in:
Blaž Kristan 2025-07-08 13:28:24 +02:00
parent 731f140b88
commit 929a5a8d80
1 changed files with 16 additions and 12 deletions
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10
wled00/bus_manager.cpp
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@ -153,6 +153,10 @@ BusDigital::BusDigital(const BusConfig &bc, uint8_t nr)
if (bc.type == TYPE_WS2812_1CH_X3) lenToCreate = NUM_ICS_WS2812_1CH_3X(bc.count); // only needs a third of "RGB" LEDs for NeoPixelBus
_busPtr = PolyBus::create(_iType, _pins, lenToCreate + _skip, nr);
_valid = (_busPtr != nullptr) && bc.count > 0;
// fix for wled#4759
if (_valid) for (unsigned i = 0; i < _skip; i++) {
PolyBus::setPixelColor(_busPtr, _iType, i, 0, COL_ORDER_GRB); // set sacrificial pixels to black (CO does not matter here)
}
DEBUGBUS_PRINTF_P(PSTR("Bus: %successfully inited #%u (len:%u, type:%u (RGB:%d, W:%d, CCT:%d), pins:%u,%u [itype:%u] mA=%d/%d)\n"),
_valid?"S":"Uns",
(int)nr,
@ -230,8 +234,8 @@ void BusDigital::show() {
uint8_t cctWW = 0, cctCW = 0;
unsigned newBri = estimateCurrentAndLimitBri(); // will fill _milliAmpsTotal (TODO: could use PolyBus::CalcTotalMilliAmpere())
if (newBri < _bri) PolyBus::setBrightness(_busPtr, _iType, newBri); // limit brightness to stay within current limits
if (newBri < _bri) {
PolyBus::setBrightness(_busPtr, _iType, newBri); // limit brightness to stay within current limits
unsigned hwLen = _len;
if (_type == TYPE_WS2812_1CH_X3) hwLen = NUM_ICS_WS2812_1CH_3X(_len); // only needs a third of "RGB" LEDs for NeoPixelBus
for (unsigned i = 0; i < hwLen; i++) {
@ -241,7 +245,7 @@ void BusDigital::show() {
PolyBus::setPixelColor(_busPtr, _iType, i, c, 0, (cctCW<<8) | cctWW); // repaint all pixels with new brightness
}
}
PolyBus::show(_busPtr, _iType, false); // faster if buffer consistency is not important
PolyBus::show(_busPtr, _iType, _skip); // faster if buffer consistency is not important (no skipped LEDs)
// restore bus brightness to its original value
// this is done right after show, so this is only OK if LED updates are completed before show() returns
// or async show has a separate buffer (ESP32 RMT and I2S are ok)
@ -326,7 +330,7 @@ size_t BusDigital::getPins(uint8_t* pinArray) const {
}
size_t BusDigital::getBusSize() const {
return sizeof(BusDigital) + (isOk() ? PolyBus::getDataSize(_busPtr, _iType) /*+ (_data ? _len * getNumberOfChannels() : 0)*/ : 0);
return sizeof(BusDigital) + (isOk() ? PolyBus::getDataSize(_busPtr, _iType) : 0);
}
void BusDigital::setColorOrder(uint8_t colorOrder) {