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Slightly more efficient buffer copy to busses

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This commit is contained in:
Christian Schwinne 2023-06-27 01:57:05 +02:00
parent 61ba16b779
commit fa9b151c36
4 changed files with 15 additions and 4 deletions
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1
wled00/FX.cpp
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@ -289,7 +289,6 @@ uint16_t mode_dynamic(void) {
if (!SEGENV.allocateData(SEGLEN)) return mode_static(); //allocation failed if (!SEGENV.allocateData(SEGLEN)) return mode_static(); //allocation failed
if(SEGENV.call == 0) { if(SEGENV.call == 0) {
//SEGMENT.setUpLeds(); //lossless getPixelColor()
//SEGMENT.fill(BLACK); //SEGMENT.fill(BLACK);
for (int i = 0; i < SEGLEN; i++) SEGENV.data[i] = random8(); for (int i = 0; i < SEGLEN; i++) SEGENV.data[i] = random8();
} }

3
wled00/FX_fcn.cpp
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@ -1263,7 +1263,8 @@ void WS2812FX::show(void) {
uint8_t busBrightness = estimateCurrentAndLimitBri(); uint8_t busBrightness = estimateCurrentAndLimitBri();
if (_globalLedBuffer) { // copy data from buffer to bus if (_globalLedBuffer) { // copy data from buffer to bus
for (uint16_t i = 0; i < _length; i++) busses.setPixelColor(i, _globalLedBuffer[i]); //for (uint16_t i = 0; i < _length; i++) busses.setPixelColor(i, _globalLedBuffer[i]);
busses.setColorsFromBuffer(_globalLedBuffer);
} else { } else {
// if brightness changed since last show, must set everything again to update to new luminance // if brightness changed since last show, must set everything again to update to new luminance
if (_renderBrightness != busBrightness) { if (_renderBrightness != busBrightness) {

11
wled00/bus_manager.cpp
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@ -506,7 +506,7 @@ void BusManager::setStatusPixel(uint32_t c) {
} }
} }
void IRAM_ATTR BusManager::setPixelColor(uint16_t pix, uint32_t c, int16_t cct) { void IRAM_ATTR BusManager::setPixelColor(uint16_t pix, uint32_t c) {
for (uint8_t i = 0; i < numBusses; i++) { for (uint8_t i = 0; i < numBusses; i++) {
Bus* b = busses[i]; Bus* b = busses[i];
uint16_t bstart = b->getStart(); uint16_t bstart = b->getStart();
@ -515,6 +515,15 @@ void IRAM_ATTR BusManager::setPixelColor(uint16_t pix, uint32_t c, int16_t cct)
} }
} }
void BusManager::setColorsFromBuffer(uint32_t* buf) {
for (uint8_t i = 0; i < numBusses; i++) {
Bus* b = busses[i];
uint16_t bstart = b->getStart();
for (uint16_t pix = 0; pix < b->getLength(); pix++)
busses[i]->setPixelColor(pix, buf[bstart + pix]);
}
}
void BusManager::setBrightness(uint8_t b) { void BusManager::setBrightness(uint8_t b) {
for (uint8_t i = 0; i < numBusses; i++) { for (uint8_t i = 0; i < numBusses; i++) {
busses[i]->setBrightness(b); busses[i]->setBrightness(b);

4
wled00/bus_manager.h
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@ -357,7 +357,9 @@ class BusManager {
void setStatusPixel(uint32_t c); void setStatusPixel(uint32_t c);
void setPixelColor(uint16_t pix, uint32_t c, int16_t cct=-1); void setPixelColor(uint16_t pix, uint32_t c);
void setColorsFromBuffer(uint32_t* buf);
void setBrightness(uint8_t b); void setBrightness(uint8_t b);