- LED memory calculation (not UI)
- potential fix for #4040
- compiler warning in FX
This commit is contained in:
Blaz Kristan
2024-07-07 14:18:51 +02:00
parent 5874b78349
commit 887254f5da
8 changed files with 87 additions and 67 deletions

View File

@@ -175,39 +175,39 @@ void WLED::loop()
DEBUG_PRINTLN(F("Re-init busses."));
bool aligned = strip.checkSegmentAlignment(); //see if old segments match old bus(ses)
BusManager::removeAll();
unsigned mem = 0;
// determine if it is sensible to use parallel I2S outputs on ESP32 (i.e. more than 5 outputs = 1 I2S + 4 RMT)
bool useParallel = false;
#if defined(ARDUINO_ARCH_ESP32) && !defined(ARDUINO_ARCH_ESP32S2) && !defined(ARDUINO_ARCH_ESP32S3) && !defined(ARDUINO_ARCH_ESP32C3)
unsigned digitalCount = 0;
unsigned maxLeds = 0;
int oldType = 0;
unsigned maxLedsOnBus = 0;
unsigned maxChannels = 0;
for (unsigned i = 0; i < WLED_MAX_BUSSES+WLED_MIN_VIRTUAL_BUSSES; i++) {
if (busConfigs[i] == nullptr) break;
if (IS_DIGITAL(busConfigs[i]->type) && !IS_2PIN(busConfigs[i]->type)) digitalCount++;
if (busConfigs[i]->count > maxLeds) maxLeds = busConfigs[i]->count;
// we need to have all LEDs of the same type for parallel
if (i < 8 && oldType > 0 && oldType != busConfigs[i]->type) oldType = -1;
else if (oldType == 0) oldType = busConfigs[i]->type;
if (!IS_DIGITAL(busConfigs[i]->type)) continue;
if (!IS_2PIN(busConfigs[i]->type)) {
digitalCount++;
unsigned channels = Bus::getNumberOfChannels(busConfigs[i]->type);
if (busConfigs[i]->count > maxLedsOnBus) maxLedsOnBus = busConfigs[i]->count;
if (channels > maxChannels) maxChannels = channels;
}
}
DEBUG_PRINTF_P(PSTR("Maximum LEDs on a bus: %u\nDigital buses: %u\nDifferent types: %d\n"), maxLeds, digitalCount, (int)(oldType == -1));
DEBUG_PRINTF_P(PSTR("Maximum LEDs on a bus: %u\nDigital buses: %u\n"), maxLedsOnBus, digitalCount);
// we may remove 300 LEDs per bus limit when NeoPixelBus is updated beyond 2.9.0
if (/*oldType != -1 && */maxLeds <= 300 && digitalCount > 5) {
if (maxLedsOnBus <= 300 && digitalCount > 5) {
DEBUG_PRINTF_P(PSTR("Switching to parallel I2S."));
useParallel = true;
BusManager::useParallelOutput();
DEBUG_PRINTF_P(PSTR("Switching to parallel I2S with max. %d LEDs per ouptut.\n"), maxLeds);
mem = BusManager::memUsage(maxChannels, maxLedsOnBus, 8); // use alternate memory calculation (hse to be used *after* useParallelOutput())
}
#endif
// create buses/outputs
unsigned mem = 0;
for (unsigned i = 0; i < WLED_MAX_BUSSES+WLED_MIN_VIRTUAL_BUSSES; i++) {
if (busConfigs[i] == nullptr || (!useParallel && i > 10)) break;
if (useParallel && i < 8) {
// we are using parallel I2S and memUsage() will include x8 allocation into account
if (i == 0)
mem = BusManager::memUsage(*busConfigs[i]); // includes x8 memory allocation for parallel I2S
else
if (BusManager::memUsage(*busConfigs[i]) > mem)
mem = BusManager::memUsage(*busConfigs[i]); // if we have unequal LED count use the largest
// if for some unexplained reason the above pre-calculation was wrong, update
unsigned memT = BusManager::memUsage(*busConfigs[i]); // includes x8 memory allocation for parallel I2S
if (memT > mem) mem = memT; // if we have unequal LED count use the largest
} else
mem += BusManager::memUsage(*busConfigs[i]); // includes global buffer
if (mem <= MAX_LED_MEMORY) BusManager::add(*busConfigs[i]);