Method show

src/FastLED.cpp.hpp:234–285

static void* gControllersData[MAX_CLED_CONTROLLERS];

FL_KEEP_ALIVE void CFastLED::show(fl::u8 scale) {
	FL_SCOPED_TRACE;
	onBeginFrame();
	while(mNMinMicros && ((fl::micros()-lastshow) < mNMinMicros)) {
#if SKETCH_HAS_LARGE_MEMORY
		fl::task::run(250, fl::task::ExecFlags::SYSTEM);
#endif
	}
	lastshow = fl::micros();

	// If we have a function for computing power, use it!
	if(mPPowerFunc) {
		scale = (*mPPowerFunc)(scale, mNPowerData);
	}


	int length = 0;
	CLEDController *pCur = CLEDController::head();

	while(pCur && length < MAX_CLED_CONTROLLERS) {
		if (pCur->getEnabled()) {
			gControllersData[length] = pCur->beginShowLeds(pCur->size());
		} else {
			gControllersData[length] = nullptr;
		}
		length++;
		if (mNFPS < 100) { pCur->setDither(0); }
		pCur = pCur->next();
	}

	pCur = CLEDController::head();
	for (length = 0; length < MAX_CLED_CONTROLLERS && pCur; length++) {
		if (pCur->getEnabled()) {
			pCur->showLedsInternal(scale);
		}
		pCur = pCur->next();

	}

	length = 0;  // Reset length to 0 and iterate again.
	pCur = CLEDController::head();
	while(pCur && length < MAX_CLED_CONTROLLERS) {
		if (pCur->getEnabled()) {
			pCur->endShowLeds(gControllersData[length]);
		}
		length++;
		pCur = pCur->next();
	}
	countFPS();
	onEndFrame();
	onEndShowLeds();
}

void CFastLED::onEndFrame() {
	#if FASTLED_HAS_ENGINE_EVENTS