Bugfixes
- LED memory calculation (not UI) - potential fix for #4040 - compiler warning in FX
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@@ -175,39 +175,39 @@ void WLED::loop()
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DEBUG_PRINTLN(F("Re-init busses."));
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bool aligned = strip.checkSegmentAlignment(); //see if old segments match old bus(ses)
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BusManager::removeAll();
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unsigned mem = 0;
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// determine if it is sensible to use parallel I2S outputs on ESP32 (i.e. more than 5 outputs = 1 I2S + 4 RMT)
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bool useParallel = false;
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#if defined(ARDUINO_ARCH_ESP32) && !defined(ARDUINO_ARCH_ESP32S2) && !defined(ARDUINO_ARCH_ESP32S3) && !defined(ARDUINO_ARCH_ESP32C3)
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unsigned digitalCount = 0;
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unsigned maxLeds = 0;
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int oldType = 0;
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unsigned maxLedsOnBus = 0;
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unsigned maxChannels = 0;
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for (unsigned i = 0; i < WLED_MAX_BUSSES+WLED_MIN_VIRTUAL_BUSSES; i++) {
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if (busConfigs[i] == nullptr) break;
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if (IS_DIGITAL(busConfigs[i]->type) && !IS_2PIN(busConfigs[i]->type)) digitalCount++;
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if (busConfigs[i]->count > maxLeds) maxLeds = busConfigs[i]->count;
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// we need to have all LEDs of the same type for parallel
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if (i < 8 && oldType > 0 && oldType != busConfigs[i]->type) oldType = -1;
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else if (oldType == 0) oldType = busConfigs[i]->type;
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if (!IS_DIGITAL(busConfigs[i]->type)) continue;
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if (!IS_2PIN(busConfigs[i]->type)) {
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digitalCount++;
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unsigned channels = Bus::getNumberOfChannels(busConfigs[i]->type);
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if (busConfigs[i]->count > maxLedsOnBus) maxLedsOnBus = busConfigs[i]->count;
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if (channels > maxChannels) maxChannels = channels;
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}
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}
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DEBUG_PRINTF_P(PSTR("Maximum LEDs on a bus: %u\nDigital buses: %u\nDifferent types: %d\n"), maxLeds, digitalCount, (int)(oldType == -1));
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DEBUG_PRINTF_P(PSTR("Maximum LEDs on a bus: %u\nDigital buses: %u\n"), maxLedsOnBus, digitalCount);
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// we may remove 300 LEDs per bus limit when NeoPixelBus is updated beyond 2.9.0
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if (/*oldType != -1 && */maxLeds <= 300 && digitalCount > 5) {
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if (maxLedsOnBus <= 300 && digitalCount > 5) {
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DEBUG_PRINTF_P(PSTR("Switching to parallel I2S."));
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useParallel = true;
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BusManager::useParallelOutput();
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DEBUG_PRINTF_P(PSTR("Switching to parallel I2S with max. %d LEDs per ouptut.\n"), maxLeds);
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mem = BusManager::memUsage(maxChannels, maxLedsOnBus, 8); // use alternate memory calculation (hse to be used *after* useParallelOutput())
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}
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#endif
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// create buses/outputs
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unsigned mem = 0;
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for (unsigned i = 0; i < WLED_MAX_BUSSES+WLED_MIN_VIRTUAL_BUSSES; i++) {
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if (busConfigs[i] == nullptr || (!useParallel && i > 10)) break;
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if (useParallel && i < 8) {
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// we are using parallel I2S and memUsage() will include x8 allocation into account
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if (i == 0)
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mem = BusManager::memUsage(*busConfigs[i]); // includes x8 memory allocation for parallel I2S
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else
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if (BusManager::memUsage(*busConfigs[i]) > mem)
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mem = BusManager::memUsage(*busConfigs[i]); // if we have unequal LED count use the largest
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// if for some unexplained reason the above pre-calculation was wrong, update
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unsigned memT = BusManager::memUsage(*busConfigs[i]); // includes x8 memory allocation for parallel I2S
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if (memT > mem) mem = memT; // if we have unequal LED count use the largest
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} else
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mem += BusManager::memUsage(*busConfigs[i]); // includes global buffer
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if (mem <= MAX_LED_MEMORY) BusManager::add(*busConfigs[i]);
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