#define WLED_DEFINE_GLOBAL_VARS //only in one source file, wled.cpp!
#include "wled.h"
#include "wled_ethernet.h"
#include <Arduino.h>

#if defined(ARDUINO_ARCH_ESP32) && defined(WLED_DISABLE_BROWNOUT_DET)
#include "soc/soc.h"
#include "soc/rtc_cntl_reg.h"
#endif

#if defined(WLED_DEBUG) && defined(ARDUINO_ARCH_ESP32)
#include "../tools/ESP32-Chip_info.hpp"
#endif

/*
 * Main WLED class implementation. Mostly initialization and connection logic
 */

WLED::WLED()
{
}

// turns all LEDs off and restarts ESP
void WLED::reset()
{
  briT = 0;
  #ifdef WLED_ENABLE_WEBSOCKETS
  ws.closeAll(1012);
  #endif
  long dly = millis();
  while (millis() - dly < 450) {
    yield();        // enough time to send response to client
  }
  applyBri();
  USER_PRINTLN(F("\nWLED RESTART\n"));
  USER_FLUSH();   // WLEDMM: wait until Serial has completed sending buffered data
  ESP.restart();
}

void WLED::loop()
{
  #ifdef WLED_DEBUG
  static unsigned long maxUsermodMillis = 0;
  static uint16_t avgUsermodMillis = 0;
  static unsigned long maxStripMillis = 0;
  static uint16_t avgStripMillis = 0;
  #endif

  handleTime();
  #ifndef WLED_DISABLE_INFRARED
  handleIR();        // 2nd call to function needed for ESP32 to return valid results -- should be good for ESP8266, too
  #endif
  handleConnection();
  handleSerial();
  handleNotifications();
  handleTransitions();
#ifdef WLED_ENABLE_DMX
  handleDMX();
#endif
#ifdef WLED_ENABLE_DMX_INPUT
  handleDMXInput();
#endif
  userLoop();

  #ifdef WLED_DEBUG
  unsigned long usermodMillis = millis();
  #endif
  usermods.loop();
  #ifdef WLED_DEBUG
  usermodMillis = millis() - usermodMillis;
  avgUsermodMillis += usermodMillis;
  if (usermodMillis > maxUsermodMillis) maxUsermodMillis = usermodMillis;
  #endif

  yield();
  handleIO();
  #ifndef WLED_DISABLE_INFRARED
  handleIR();
  #endif
  #ifndef WLED_DISABLE_ALEXA
  handleAlexa();
  #endif

  yield();

  if (doSerializeConfig) serializeConfig();

  if (doReboot && !doInitBusses) // if busses have to be inited & saved, wait until next iteration
    reset();

  if (doCloseFile) {
    closeFile();
    yield();
  }

  if (!realtimeMode || realtimeOverride || (realtimeMode && useMainSegmentOnly))  // block stuff if WARLS/Adalight is enabled
  {
    if (apActive) dnsServer.processNextRequest();
    #ifndef WLED_DISABLE_OTA
    if (WLED_CONNECTED && aOtaEnabled && !otaLock && correctPIN) ArduinoOTA.handle();
    #endif
    handleNightlight();
    handlePlaylist();
    yield();

    #ifndef WLED_DISABLE_HUESYNC
    handleHue();
    yield();
    #endif

    #ifndef WLED_DISABLE_BLYNK
    handleBlynk();
    yield();
    #endif

    handlePresets();
    yield();

    #ifdef WLED_DEBUG
    unsigned long stripMillis = millis();
    #endif
    if (!offMode || strip.isOffRefreshRequired())
      strip.service();
    #ifdef ESP8266
    else if (!noWifiSleep)
      delay(1); //required to make sure ESP enters modem sleep (see #1184)
    #endif
    #ifdef WLED_DEBUG
    stripMillis = millis() - stripMillis;
    if (stripMillis > 50) DEBUG_PRINTLN("Slow strip.");
    avgStripMillis += stripMillis;
    if (stripMillis > maxStripMillis) maxStripMillis = stripMillis;
    #endif
  }

  yield();
#ifdef ESP8266
  MDNS.update();
#endif

  //millis() rolls over every 50 days
  if (lastMqttReconnectAttempt > millis()) {
    rolloverMillis++;
    lastMqttReconnectAttempt = 0;
    ntpLastSyncTime = 0;
    strip.restartRuntime();
  }
  if (millis() - lastMqttReconnectAttempt > 30000 || lastMqttReconnectAttempt == 0) { // lastMqttReconnectAttempt==0 forces immediate broadcast
    lastMqttReconnectAttempt = millis();
    #ifndef WLED_DISABLE_MQTT
    initMqtt();
    #endif
    yield();
    // refresh WLED nodes list
    refreshNodeList();
    if (nodeBroadcastEnabled) sendSysInfoUDP();
    yield();
  }

  // 15min PIN time-out
  if (strlen(settingsPIN)>0 && millis() - lastEditTime > 900000) {
    correctPIN = false;
    createEditHandler(false);
  }

  //LED settings have been saved, re-init busses
  //This code block causes severe FPS drop on ESP32 with the original "if (busConfigs[0] != nullptr)" conditional. Investigate!
  if (doInitBusses) {
    doInitBusses = false;
    DEBUG_PRINTLN(F("Re-init busses."));
    bool aligned = strip.checkSegmentAlignment(); //see if old segments match old bus(ses)
    busses.removeAll();
    uint32_t mem = 0;
    for (uint8_t i = 0; i < WLED_MAX_BUSSES+WLED_MIN_VIRTUAL_BUSSES; i++) {
      if (busConfigs[i] == nullptr) break;
      mem += BusManager::memUsage(*busConfigs[i]);
      if (mem <= MAX_LED_MEMORY) {
        busses.add(*busConfigs[i]);
      }
      delete busConfigs[i]; busConfigs[i] = nullptr;
    }
    strip.finalizeInit();
    loadLedmap = true;
    if (aligned) strip.makeAutoSegments();
    else strip.fixInvalidSegments();
    yield();
    serializeConfig();
  }
  //WLEDMM refactored
  if (loadLedmap) {
    strip.deserializeMap(loadedLedmap);
    strip.enumerateLedmaps(); //WLEDMM
    loadLedmap = false;
  }

  yield();
  handleWs();
  handleStatusLED();

// DEBUG serial logging (every 30s)
#ifdef WLED_DEBUG
  if (millis() - debugTime > 29999) {
    DEBUG_PRINTLN(F("---DEBUG INFO---"));
    DEBUG_PRINT(F("Runtime: "));       DEBUG_PRINTLN(millis());
    DEBUG_PRINT(F("Unix time: "));     toki.printTime(toki.getTime());
    DEBUG_PRINT(F("Free heap: "));     DEBUG_PRINTLN(ESP.getFreeHeap());
    #if defined(ARDUINO_ARCH_ESP32) && defined(WLED_USE_PSRAM)
    if (psramFound()) {
      //DEBUG_PRINT(F("Total PSRAM: "));    DEBUG_PRINT(ESP.getPsramSize()/1024); DEBUG_PRINTLN("kB");
      DEBUG_PRINT(F("Free PSRAM:  "));     DEBUG_PRINT(ESP.getFreePsram()/1024); DEBUG_PRINTLN("kB");
	  DEBUG_PRINT(F("PSRAM in use:")); DEBUG_PRINT(ESP.getPsramSize() - ESP.getFreePsram()); DEBUG_PRINTLN(F(" Bytes"));

    } else {
      //DEBUG_PRINTLN(F("No PSRAM"));
	}
    #endif
    DEBUG_PRINT(F("Wifi state: "));      DEBUG_PRINTLN(WiFi.status());

    if (WiFi.status() != lastWifiState) {
      wifiStateChangedTime = millis();
    }
    lastWifiState = WiFi.status();
    DEBUG_PRINT(F("State time: "));      DEBUG_PRINTLN(wifiStateChangedTime);
    DEBUG_PRINT(F("NTP last sync: "));   DEBUG_PRINTLN(ntpLastSyncTime);
    DEBUG_PRINT(F("Client IP: "));       DEBUG_PRINTLN(Network.localIP());
    if (loops > 0) { // avoid division by zero
      DEBUG_PRINT(F("Loops/sec: "));       DEBUG_PRINTLN(loops / 30);
      DEBUG_PRINT(F("UM time[ms]: "));     DEBUG_PRINT(avgUsermodMillis/loops); DEBUG_PRINT("/");DEBUG_PRINTLN(maxUsermodMillis);
      DEBUG_PRINT(F("Strip time[ms]: "));  DEBUG_PRINT(avgStripMillis/loops); DEBUG_PRINT("/"); DEBUG_PRINTLN(maxStripMillis);
    }
    strip.printSize();
    loops = 0;
    maxUsermodMillis = 0;
    maxStripMillis = 0;
    avgUsermodMillis = 0;
    avgStripMillis = 0;
    debugTime = millis();
  }
  loops++;
#endif        // WLED_DEBUG
  toki.resetTick();

#if WLED_WATCHDOG_TIMEOUT > 0
  // we finished our mainloop, reset the watchdog timer
  if (!strip.isUpdating())
  #ifdef ARDUINO_ARCH_ESP32
    esp_task_wdt_reset();
  #else
    ESP.wdtFeed();
  #endif
#endif
}

void WLED::enableWatchdog() {
#if WLED_WATCHDOG_TIMEOUT > 0
#ifdef ARDUINO_ARCH_ESP32
  esp_err_t watchdog = esp_task_wdt_init(WLED_WATCHDOG_TIMEOUT, true);
  DEBUG_PRINT(F("Watchdog enabled: "));
  if (watchdog == ESP_OK) {
    DEBUG_PRINTLN(F("OK"));
  } else {
    DEBUG_PRINTLN(watchdog);
    return;
  }
  esp_task_wdt_add(NULL);
#else
  ESP.wdtEnable(WLED_WATCHDOG_TIMEOUT * 1000);
#endif
#endif
}

void WLED::disableWatchdog() {
#if WLED_WATCHDOG_TIMEOUT > 0
DEBUG_PRINTLN(F("Watchdog: disabled"));
#ifdef ARDUINO_ARCH_ESP32
  esp_task_wdt_delete(NULL);
#else
  ESP.wdtDisable();
#endif
#endif
}

void WLED::setup()
{
  #if defined(ARDUINO_ARCH_ESP32) && defined(WLED_DISABLE_BROWNOUT_DET)
  WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 0); //disable brownout detection
  #endif

  Serial.begin(115200);
  if (!Serial) delay(1000); // WLEDMM make sure that Serial has initalized

  #if !ARDUINO_USB_CDC_ON_BOOT
  Serial.setTimeout(50);  // this causes troubles on new MCUs that have a "virtual" USB Serial (HWCDC)
  #else
  #endif
  #if defined(WLED_DEBUG) && defined(ARDUINO_ARCH_ESP32) && (defined(CONFIG_IDF_TARGET_ESP32S2) || defined(CONFIG_IDF_TARGET_ESP32C3) || ARDUINO_USB_CDC_ON_BOOT)
  delay(2500);  // allow CDC USB serial to initialise
  #endif

  #if ARDUINO_USB_CDC_ON_BOOT
  delay(2500);  // WLEDMM: always allow CDC USB serial to initialise
  Serial.println("wait 1");  // waiting a bit longer ensures that a  debug messages are shown in serial monitor
  delay(2500);
  Serial.println("wait 2");
  delay(2500);

  Serial.flush();
  Serial.setTimeout(350); // WLEDMM: don't change timeout, as it causes crashes later
  // WLEDMM: redirect debug output to HWCDC
  Serial0.setDebugOutput(false);
  Serial.setDebugOutput(true);
  #else
  if (Serial) Serial.setTimeout(50);  // WLEDMM - only when serial is initialized
  #endif

  //Serial0.setDebugOutput(false);
  #ifdef WLED_DEBUG
  Serial.setDebugOutput(true);
  #endif
  USER_FLUSH(); delay(100);
  USER_PRINTLN();
  USER_PRINT(F("---WLED "));
  USER_PRINT(versionString);
  USER_PRINT(" ");
  USER_PRINT(VERSION);
  USER_PRINTLN(F(" INIT---"));
  #ifdef WLED_RELEASE_NAME
  USER_PRINTF(" WLEDMM_%s %s, build %s.\n", versionString, releaseString, TOSTRING(VERSION)); // WLEDMM specific
  #endif

#ifdef ARDUINO_ARCH_ESP32
  DEBUG_PRINT(F("esp32 "));
  DEBUG_PRINTLN(ESP.getSdkVersion());
  #if defined(ESP_ARDUINO_VERSION)
    //DEBUG_PRINTF(F("arduino-esp32  0x%06x\n"), ESP_ARDUINO_VERSION);
    DEBUG_PRINTF("arduino-esp32 v%d.%d.%d\n", int(ESP_ARDUINO_VERSION_MAJOR), int(ESP_ARDUINO_VERSION_MINOR), int(ESP_ARDUINO_VERSION_PATCH));  // availeable since v2.0.0
  #else
    DEBUG_PRINTLN(F("arduino-esp32 v1.0.x\n"));  // we can't say in more detail.
  #endif

  USER_PRINT(F("CPU:   ")); USER_PRINT(ESP.getChipModel());
  USER_PRINT(F(" rev.")); USER_PRINT(ESP.getChipRevision());
  USER_PRINT(F(", ")); USER_PRINT(ESP.getChipCores()); USER_PRINT(F(" core(s)"));
  USER_PRINT(F(", ")); USER_PRINT(ESP.getCpuFreqMHz()); USER_PRINTLN(F("MHz."));
  USER_PRINT(F("FLASH: ")); USER_PRINT((ESP.getFlashChipSize()/1024)/1024);
  USER_PRINT(F("MB, Mode ")); USER_PRINT(ESP.getFlashChipMode());
  #ifdef WLED_DEBUG
  switch (ESP.getFlashChipMode()) {
    // missing: Octal modes
    case FM_QIO:  DEBUG_PRINT(F(" (QIO)")); break;
    case FM_QOUT: DEBUG_PRINT(F(" (QOUT)"));break;
    case FM_DIO:  DEBUG_PRINT(F(" (DIO)")); break;
    case FM_DOUT: DEBUG_PRINT(F(" (DOUT)"));break;
    default: break;
  }
  #endif
  USER_PRINT(F(", speed ")); USER_PRINT(ESP.getFlashChipSpeed()/1000000);USER_PRINTLN(F("MHz."));
  
  #if defined(WLED_DEBUG) && defined(ARDUINO_ARCH_ESP32)
  showRealSpeed();
  #endif

#else
  // WLEDMM: more info for 8266
  USER_PRINTLN();
  USER_PRINTF("CPU:   ESP8266 (id 0x%08X)", ESP.getChipId());
  USER_PRINT(F(", ")); USER_PRINT(ESP.getCpuFreqMHz()); USER_PRINTLN(F("MHz."));
  USER_PRINT(F("CPU    Last Restart Reason = "));
  USER_PRINT((int)ESP.getResetInfoPtr()->reason); USER_PRINT(F(" -> "));
  USER_PRINTLN(ESP.getResetInfo());

  USER_PRINT(F("FLASH: ")); USER_PRINT((ESP.getFlashChipRealSize()/1024)/1024);
  USER_PRINT(F("MB, Mode ")); USER_PRINT((int)ESP.getFlashChipMode());
  #ifdef WLED_DEBUG
  switch (ESP.getFlashChipMode()) {
    // missing: Octal modes
    case FM_QIO:  DEBUG_PRINT(F(" (QIO)")); break;
    case FM_QOUT: DEBUG_PRINT(F(" (QOUT)"));break;
    case FM_DIO:  DEBUG_PRINT(F(" (DIO)")); break;
    case FM_DOUT: DEBUG_PRINT(F(" (DOUT)"));break;
    default: break;
  }
  #endif
  USER_PRINT(F(", speed ")); USER_PRINT(ESP.getFlashChipSpeed()/1000000);USER_PRINT(F("MHz; "));
  USER_PRINT(F(" chip ID = 0x"));
  USER_PRINTF("%08X\n", ESP.getFlashChipId());
  USER_PRINTLN();

  DEBUG_PRINT(F("esp8266 "));
  DEBUG_PRINTLN(ESP.getCoreVersion());
#endif
  DEBUG_PRINT(F("heap "));
  DEBUG_PRINTLN(ESP.getFreeHeap());

  #if defined(ARDUINO_ARCH_ESP32) && defined(WLED_USE_PSRAM)
  if (psramFound()) {
#if !defined(CONFIG_IDF_TARGET_ESP32C3) && !defined(CONFIG_IDF_TARGET_ESP32S2) && !defined(CONFIG_IDF_TARGET_ESP32S3)
    // GPIO16/GPIO17 reserved for SPI RAM
    managed_pin_type pins[2] = { {16, true}, {17, true} };
    pinManager.allocateMultiplePins(pins, 2, PinOwner::SPI_RAM);
#elif defined(CONFIG_IDF_TARGET_ESP32S3)
    // S3: add GPIO 33-37 for "octal" PSRAM
    managed_pin_type pins[5] = { {33, true}, {34, true}, {35, true}, {36, true}, {37, true} };
    pinManager.allocateMultiplePins(pins, 5, PinOwner::SPI_RAM);
#endif
      DEBUG_PRINT(F("Total PSRAM: "));    DEBUG_PRINT(ESP.getPsramSize()/1024); DEBUG_PRINTLN("kB");
      DEBUG_PRINT(F("Free PSRAM : "));    DEBUG_PRINT(ESP.getFreePsram()/1024); DEBUG_PRINTLN("kB");
    } else
      DEBUG_PRINTLN(F("No PSRAM found."));
  #endif
  #if defined(ARDUINO_ARCH_ESP32) && defined(BOARD_HAS_PSRAM) && !defined(WLED_USE_PSRAM)
      DEBUG_PRINTLN(F("PSRAM not used."));
  #endif

  //DEBUG_PRINT(F("LEDs inited. heap usage ~"));
  //DEBUG_PRINTLN(heapPreAlloc - ESP.getFreeHeap());
  USER_FLUSH();  // WLEDMM flush buffer now, before anything time-critial is started.

#ifdef WLED_DEBUG
  pinManager.allocatePin(hardwareTX, true, PinOwner::DebugOut); // TX (GPIO1 on ESP32) reserved for debug output
#endif
#ifdef WLED_ENABLE_DMX //reserve GPIO2 as hardcoded DMX pin
  pinManager.allocatePin(2, true, PinOwner::DMX);
#endif

// WLEDMM experimental: support for single neoPixel on Adafruit boards
#if 0
  //#ifdef PIN_NEOPIXEL
  //pinManager.allocatePin(PIN_NEOPIXEL, true, PinOwner::BusDigital);
  //#endif
  #ifdef NEOPIXEL_POWER
    pinManager.allocatePin(NEOPIXEL_POWER, true, PinOwner::Relay);  // just to ensure this GPIO will not get used for other purposes
    pinMode(NEOPIXEL_POWER, OUTPUT);
    digitalWrite(NEOPIXEL_POWER, HIGH);
  #endif
  #ifdef NEOPIXEL_I2C_POWER
    pinManager.allocatePin(NEOPIXEL_I2C_POWER, true, PinOwner::Relay);  // just to ensure this GPIO will not get used for other purposes
    pinMode(NEOPIXEL_I2C_POWER, OUTPUT);
    digitalWrite(NEOPIXEL_I2C_POWER, HIGH);
  #endif
#endif

  USER_PRINTLN();
  DEBUG_PRINTLN(F("Registering usermods ..."));
  registerUsermods();

  for (uint8_t i=1; i<WLED_MAX_BUTTONS; i++) btnPin[i] = -1;

  bool fsinit = false;
  USER_PRINTLN(F("Mount FS"));
#ifdef ARDUINO_ARCH_ESP32
  fsinit = WLED_FS.begin(true);
#else
  fsinit = WLED_FS.begin();
#endif
  if (!fsinit) {
    DEBUG_PRINTLN(F("FS failed!"));
    errorFlag = ERR_FS_BEGIN;
  }
#ifdef WLED_ADD_EEPROM_SUPPORT
  else deEEP();
#else
  initPresetsFile();
#endif
  updateFSInfo();

  USER_PRINTLN(F("done Mounting FS"));

  // generate module IDs must be done before AP setup
  escapedMac = WiFi.macAddress();
  escapedMac.replace(":", "");
  escapedMac.toLowerCase();

  WLED_SET_AP_SSID(); // otherwise it is empty on first boot until config is saved

  DEBUG_PRINTLN(F("Reading config"));
  deserializeConfigFromFS();

#if defined(STATUSLED) && STATUSLED>=0
  if (!pinManager.isPinAllocated(STATUSLED)) {
    // NOTE: Special case: The status LED should *NOT* be allocated.
    //       See comments in handleStatusLed().
    pinMode(STATUSLED, OUTPUT);
  }
#endif

  DEBUG_PRINTLN(F("Initializing strip"));
  beginStrip();

  USER_PRINTLN(F("Usermods setup ..."));
  userSetup();
  usermods.setup();

  if (strcmp(clientSSID, DEFAULT_CLIENT_SSID) == 0)
    showWelcomePage = true;
  WiFi.persistent(false);
  #ifdef WLED_USE_ETHERNET
  WiFi.onEvent(WiFiEvent);
  #endif

  #ifdef WLED_ENABLE_ADALIGHT
  //Serial RX (Adalight, Improv, Serial JSON) only possible if GPIO3 unused
  //Serial TX (Debug, Improv, Serial JSON) only possible if GPIO1 unused
  if (!pinManager.isPinAllocated(hardwareRX) && !pinManager.isPinAllocated(hardwareTX)) {
    Serial.println(F("Ada"));
  }
  #endif

  // fill in unique mdns default
  if (strcmp(cmDNS, "x") == 0) sprintf_P(cmDNS, PSTR("wled-%*s"), 6, escapedMac.c_str() + 6);
#ifndef WLED_DISABLE_MQTT
  if (mqttDeviceTopic[0] == 0) sprintf_P(mqttDeviceTopic, PSTR("wled/%*s"), 6, escapedMac.c_str() + 6);
  if (mqttClientID[0] == 0)    sprintf_P(mqttClientID, PSTR("WLED-%*s"), 6, escapedMac.c_str() + 6);
#endif

#ifdef WLED_ENABLE_ADALIGHT
  if (Serial.available() > 0 && Serial.peek() == 'I') handleImprovPacket();
#endif

  strip.service(); // why?

#ifndef WLED_DISABLE_OTA
  if (aOtaEnabled) {
    ArduinoOTA.onStart([]() {
#ifdef ESP8266
      wifi_set_sleep_type(NONE_SLEEP_T);
#endif
      WLED::instance().disableWatchdog();
      DEBUG_PRINTLN(F("Start ArduinoOTA"));
    });
    ArduinoOTA.onError([](ota_error_t error) {
      // reenable watchdog on failed update
      WLED::instance().enableWatchdog();
    });
    if (strlen(cmDNS) > 0)
      ArduinoOTA.setHostname(cmDNS);
  }
#endif
#ifdef WLED_ENABLE_DMX
  initDMX();
#endif

#ifdef WLED_ENABLE_ADALIGHT
  if (Serial.available() > 0 && Serial.peek() == 'I') handleImprovPacket();
#endif

  // HTTP server page init
  initServer();

  enableWatchdog();

  #if defined(ARDUINO_ARCH_ESP32) && defined(WLED_DISABLE_BROWNOUT_DET)
  WRITE_PERI_REG(RTC_CNTL_BROWN_OUT_REG, 1); //enable brownout detector
  #endif
  
  #ifdef ARDUINO_ARCH_ESP32
  #ifdef ARDUINO_RUNNING_CORE
    DEBUG_PRINTF("Arduino core=%d (loop is now on core #%d)\n", int(ARDUINO_RUNNING_CORE), int(xPortGetCoreID()));
  #endif
  #ifdef ARDUINO_EVENT_RUNNING_CORE
      DEBUG_PRINTF("Arduino Event core=%d\n", int(ARDUINO_EVENT_RUNNING_CORE));
  #endif
  #endif

  // WLEDMM : dump GPIO infos (experimental, UI integration pending)
  //#ifdef WLED_DEBUG
  USER_PRINTLN(F("\nGPIO\t| Assigned to\t\t| Info"));
  USER_PRINTLN(F("--------|-----------------------|------------"));
  for(int pinNr = 0; pinNr < WLED_NUM_PINS; pinNr++) { // 49 = highest PIN on ESP32-S3
    if(pinManager.isPinOk(pinNr, false)) {
      //if ((!pinManager.isPinAllocated(pinNr)) && (pinManager.getPinSpecialText(pinNr).length() == 0)) continue;      // un-comment to hide no-name,unused GPIO pins
      bool is_inOut = pinManager.isPinOk(pinNr, true);
#if 0 // for testing
      USER_PRINT(pinManager.isPinAnalog(pinNr) ? "A": " ");
      USER_PRINT(pinManager.isPinADC1(pinNr) ? "1": " ");
      USER_PRINT(pinManager.isPinADC2(pinNr) ? "2": " ");
      USER_PRINT(pinManager.isPinTouch(pinNr) ? "T": " ");
      USER_PRINT(pinManager.isPinPWM(pinNr) ? " P": "  ");
      USER_PRINT(pinManager.isPinINT(pinNr) ? "I ": "  ");
#endif
      USER_PRINTF("%s  %2d\t  %-17s %s\t  %s\n", 
          (is_inOut?"i/o":"in "), 
          pinNr, 
          pinManager.getPinOwnerText(pinNr).c_str(),
          pinManager.getPinConflicts(pinNr).c_str(),
          pinManager.getPinSpecialText(pinNr).c_str()
      );
      USER_FLUSH();  // avoid lost lines (Serial buffer overflow)
    }
  }

#if 0 // for testing
  USER_PRINTLN(F("\n"));
  USER_PRINTF("ADC1-0 = %d, ADC1-3 = %d, ADC1-7 = %d, ADC2-0 = %d, ADC2-1 = %d, ADC2-8 = %d, ADC2-10 = %d\n",
    pinManager.getADCPin(PM_ADC1, 0), pinManager.getADCPin(PM_ADC1, 3), pinManager.getADCPin(PM_ADC1, 7), 
    pinManager.getADCPin(PM_ADC2, 0), pinManager.getADCPin(PM_ADC2, 1), pinManager.getADCPin(PM_ADC2, 8),
    pinManager.getADCPin(PM_ADC2, 10)
  );
  USER_PRINTLN();
  for(int p=0; p<11; p++) {
    if(pinManager.getADCPin(PinManagerClass::ADC1, p) < 255)
      USER_PRINTF("ADC1-%d = %d, ", p, pinManager.getADCPin(PinManagerClass::ADC1, p));
  }
  USER_PRINTLN();
  for(int p=0; p<11; p++) {
    if(pinManager.getADCPin(PinManagerClass::ADC2, p) < 255)
      USER_PRINTF("ADC2-%d = %d, ", p, pinManager.getADCPin(PinManagerClass::ADC2, p));
  }
  USER_PRINTLN(F("\n"));
#endif

  USER_PRINTLN(F("WLED initialization done.\n"));
  delay(50);
  // repeat Ada prompt
  #ifdef WLED_ENABLE_ADALIGHT
  if (!pinManager.isPinAllocated(hardwareRX) && !pinManager.isPinAllocated(hardwareTX)) {
    Serial.println(F("Ada"));
  }
  #endif

  #ifdef WLED_ENABLE_DMX_INPUT
  /* Set the DMX hardware pins to the pins that we want to use. */
  dmx_set_pin(dmxPort, dmxTransmitPin, dmxReceivePin, dmxEnablePin);

  /* Now we can install the DMX driver! We'll tell it which DMX port to use and
    which interrupt priority it should have. If you aren't sure which interrupt
    priority to use, you can use the macro `DMX_DEFAULT_INTR_FLAG` to set the
    interrupt to its default settings.*/
  dmx_driver_install(dmxPort, DMX_DEFAULT_INTR_FLAGS);
  #endif

  //#endif
  // WLEDMM end
}

void WLED::beginStrip()
{
  // Initialize NeoPixel Strip and button
  strip.finalizeInit(); // busses created during deserializeConfig()
  strip.makeAutoSegments();
  strip.setBrightness(0);
  strip.setShowCallback(handleOverlayDraw);

  if (turnOnAtBoot) {
    if (briS > 0) bri = briS;
    else if (bri == 0) bri = 128;
  } else {
    briLast = briS; bri = 0;
  }
  if (bootPreset > 0) {
    applyPreset(bootPreset, CALL_MODE_INIT);
  }
  colorUpdated(CALL_MODE_INIT);

  // init relay pin
  if (rlyPin>=0)
    digitalWrite(rlyPin, (rlyMde ? bri : !bri));
}

void WLED::initAP(bool resetAP)
{
  if (apBehavior == AP_BEHAVIOR_BUTTON_ONLY && !resetAP)
    return;

  if (resetAP) {
    WLED_SET_AP_SSID();
    strcpy_P(apPass, PSTR(WLED_AP_PASS));
  }
  USER_PRINT(F("Opening access point "));  // WLEDMM
  USER_PRINTLN(apSSID);                    // WLEDMM
  WiFi.softAPConfig(IPAddress(4, 3, 2, 1), IPAddress(4, 3, 2, 1), IPAddress(255, 255, 255, 0));
  WiFi.softAP(apSSID, apPass, apChannel, apHide);

  if (!apActive) // start captive portal if AP active
  {
    DEBUG_PRINTLN(F("Init AP interfaces"));
    server.begin();
    if (udpPort > 0 && udpPort != ntpLocalPort) {
      udpConnected = notifierUdp.begin(udpPort);
    }
    if (udpRgbPort > 0 && udpRgbPort != ntpLocalPort && udpRgbPort != udpPort) {
      udpRgbConnected = rgbUdp.begin(udpRgbPort);
    }
    if (udpPort2 > 0 && udpPort2 != ntpLocalPort && udpPort2 != udpPort && udpPort2 != udpRgbPort) {
      udp2Connected = notifier2Udp.begin(udpPort2);
    }
    e131.begin(false, e131Port, e131Universe, E131_MAX_UNIVERSE_COUNT);
    ddp.begin(false, DDP_DEFAULT_PORT);

    dnsServer.setErrorReplyCode(DNSReplyCode::NoError);
    dnsServer.start(53, "*", WiFi.softAPIP());
  }
  apActive = true;
}

bool WLED::initEthernet()
{
#if defined(ARDUINO_ARCH_ESP32) && defined(WLED_USE_ETHERNET)

  static bool successfullyConfiguredEthernet = false;

  if (successfullyConfiguredEthernet) {
    // DEBUG_PRINTLN(F("initE: ETH already successfully configured, ignoring"));
    return false;
  }
  if (ethernetType == WLED_ETH_NONE) {
    return false;
  }
  if (ethernetType >= WLED_NUM_ETH_TYPES) {
    DEBUG_PRINT(F("initE: Ignoring attempt for invalid ethernetType ")); DEBUG_PRINTLN(ethernetType);
    return false;
  }

  DEBUG_PRINT(F("initE: Attempting ETH config: ")); DEBUG_PRINTLN(ethernetType);

  // Ethernet initialization should only succeed once -- else reboot required
  ethernet_settings es = ethernetBoards[ethernetType];
  managed_pin_type pinsToAllocate[10] = {
    // first six pins are non-configurable
    esp32_nonconfigurable_ethernet_pins[0],
    esp32_nonconfigurable_ethernet_pins[1],
    esp32_nonconfigurable_ethernet_pins[2],
    esp32_nonconfigurable_ethernet_pins[3],
    esp32_nonconfigurable_ethernet_pins[4],
    esp32_nonconfigurable_ethernet_pins[5],
    { (int8_t)es.eth_mdc,   true },  // [6] = MDC  is output and mandatory
    { (int8_t)es.eth_mdio,  true },  // [7] = MDIO is bidirectional and mandatory
    { (int8_t)es.eth_power, true },  // [8] = optional pin, not all boards use
    { ((int8_t)0xFE),       false }, // [9] = replaced with eth_clk_mode, mandatory
  };
  // update the clock pin....
  if (es.eth_clk_mode == ETH_CLOCK_GPIO0_IN) {
    pinsToAllocate[9].pin = 0;
    pinsToAllocate[9].isOutput = false;
  } else if (es.eth_clk_mode == ETH_CLOCK_GPIO0_OUT) {
    pinsToAllocate[9].pin = 0;
    pinsToAllocate[9].isOutput = true;
  } else if (es.eth_clk_mode == ETH_CLOCK_GPIO16_OUT) {
    pinsToAllocate[9].pin = 16;
    pinsToAllocate[9].isOutput = true;
  } else if (es.eth_clk_mode == ETH_CLOCK_GPIO17_OUT) {
    pinsToAllocate[9].pin = 17;
    pinsToAllocate[9].isOutput = true;
  } else {
    DEBUG_PRINT(F("initE: Failing due to invalid eth_clk_mode ("));
    DEBUG_PRINT(es.eth_clk_mode);
    DEBUG_PRINTLN(")");
    return false;
  }

  if (!pinManager.allocateMultiplePins(pinsToAllocate, 10, PinOwner::Ethernet)) {
    DEBUG_PRINTLN(F("initE: Failed to allocate ethernet pins"));
    return false;
  }

  if (!ETH.begin(
                (uint8_t) es.eth_address,
                (int)     es.eth_power,
                (int)     es.eth_mdc,
                (int)     es.eth_mdio,
                (eth_phy_type_t)   es.eth_type,
                (eth_clock_mode_t) es.eth_clk_mode
                )) {
    DEBUG_PRINTLN(F("initC: ETH.begin() failed"));
    // de-allocate the allocated pins
    for (managed_pin_type mpt : pinsToAllocate) {
      pinManager.deallocatePin(mpt.pin, PinOwner::Ethernet);
    }
    return false;
  }

  successfullyConfiguredEthernet = true;
  USER_PRINTLN(F("initC: *** Ethernet successfully configured! ***"));  // WLEDMM
  return true;
#else
  return false; // Ethernet not enabled for build
#endif

}

void WLED::initConnection()
{
  #ifdef WLED_ENABLE_WEBSOCKETS
  ws.onEvent(wsEvent);
  #endif


  WiFi.disconnect(true);        // close old connections
#ifdef ESP8266
  WiFi.setPhyMode(WIFI_PHY_MODE_11N);
#endif

  if (staticIP[0] != 0 && staticGateway[0] != 0) {
    WiFi.config(staticIP, staticGateway, staticSubnet, IPAddress(1, 1, 1, 1));
  } else {
    WiFi.config(IPAddress((uint32_t)0), IPAddress((uint32_t)0), IPAddress((uint32_t)0));
  }

  lastReconnectAttempt = millis();

  if (!WLED_WIFI_CONFIGURED) {
    USER_PRINTLN(F("No WiFi connection configured."));  // WLEDMM
    if (!apActive) initAP();        // instantly go to ap mode
    return;
  } else if (!apActive) {
    if (apBehavior == AP_BEHAVIOR_ALWAYS) {
      DEBUG_PRINTLN(F("Access point ALWAYS enabled."));
      initAP();
    } else {
      DEBUG_PRINTLN(F("Access point disabled (init)."));
      WiFi.softAPdisconnect(true);
      WiFi.mode(WIFI_STA);
    }
  }
  showWelcomePage = false;

  USER_PRINT(F("Connecting to "));
  USER_PRINT(clientSSID);
  USER_PRINT(" / ");
  for(int i = 0; i<strlen(clientPass); i++){
      USER_PRINT("*");
   }
  USER_PRINTLN(" ...");

  // convert the "serverDescription" into a valid DNS hostname (alphanumeric)
  char hostname[25];
  prepareHostname(hostname);

#ifdef ESP8266
  WiFi.hostname(hostname);
#endif

  WiFi.begin(clientSSID, clientPass);

#ifdef ARDUINO_ARCH_ESP32
#ifdef WLEDMM_WIFI_POWERON_HACK
  // WLEDMM - if your board has issues connecting to WiFi, try this
  WiFi.setTxPower(WIFI_POWER_5dBm);  // required for ESP32-C3FH4-RGB
#endif
  WiFi.setSleep(!noWifiSleep);
  WiFi.setHostname(hostname);
#else
  wifi_set_sleep_type((noWifiSleep) ? NONE_SLEEP_T : MODEM_SLEEP_T);
#endif
}

void WLED::initInterfaces()
{
  DEBUG_PRINTLN(F("Init STA interfaces"));

#ifndef WLED_DISABLE_HUESYNC
  IPAddress ipAddress = Network.localIP();
  if (hueIP[0] == 0) {
    hueIP[0] = ipAddress[0];
    hueIP[1] = ipAddress[1];
    hueIP[2] = ipAddress[2];
  }
#endif

#ifndef WLED_DISABLE_ALEXA
  // init Alexa hue emulation
  if (alexaEnabled)
    alexaInit();
#endif

#ifndef WLED_DISABLE_OTA
  if (aOtaEnabled)
    ArduinoOTA.begin();
#endif

  strip.service();

  #ifndef WLED_DISABLE_OTA   // WLEDMM
  if (aOtaEnabled) {
    USER_PRINT(F("           ArduinoOTA: "));
    USER_PRINTLN(ArduinoOTA.getHostname());
  }
  #endif                     // WLEDMM end

  // Set up mDNS responder:
  if (strlen(cmDNS) > 0) {
    // "end" must be called before "begin" is called a 2nd time
    // see https://github.com/esp8266/Arduino/issues/7213
    MDNS.end();
    MDNS.begin(cmDNS);

    USER_PRINTF("mDNS started: %s.local\n", cmDNS); // WLEDMM
    MDNS.addService("http", "tcp", 80);
    MDNS.addService("wled", "tcp", 80);
    MDNS.addServiceTxt("wled", "tcp", "mac", escapedMac.c_str());
  }
  server.begin();

  if (udpPort > 0 && udpPort != ntpLocalPort) {
    udpConnected = notifierUdp.begin(udpPort);
    if (udpConnected && udpRgbPort != udpPort)
      udpRgbConnected = rgbUdp.begin(udpRgbPort);
    if (udpConnected && udpPort2 != udpPort && udpPort2 != udpRgbPort)
      udp2Connected = notifier2Udp.begin(udpPort2);
  }
  if (ntpEnabled)
    ntpConnected = ntpUdp.begin(ntpLocalPort);

#ifndef WLED_DISABLE_BLYNK
  initBlynk(blynkApiKey, blynkHost, blynkPort);
#endif
  e131.begin(e131Multicast, e131Port, e131Universe, E131_MAX_UNIVERSE_COUNT);
  ddp.begin(false, DDP_DEFAULT_PORT);
  reconnectHue();
#ifndef WLED_DISABLE_MQTT
  initMqtt();
#endif
  interfacesInited = true;
  wasConnected = true;
}

void WLED::handleConnection()
{
  static byte stacO = 0;
  static uint32_t lastHeap = UINT32_MAX;
  static unsigned long heapTime = 0;
  unsigned long now = millis();

  if (now < 2000 && (!WLED_WIFI_CONFIGURED || apBehavior == AP_BEHAVIOR_ALWAYS))
    return;

  if (lastReconnectAttempt == 0) {
    DEBUG_PRINTLN(F("lastReconnectAttempt == 0"));
    initConnection();
    return;
  }

  // reconnect WiFi to clear stale allocations if heap gets too low
  if (now - heapTime > 5000) {
    uint32_t heap = ESP.getFreeHeap();
    if (heap < MIN_HEAP_SIZE && lastHeap < MIN_HEAP_SIZE) {
      DEBUG_PRINT(F("Heap too low! "));
      DEBUG_PRINTLN(heap);
      forceReconnect = true;
      strip.purgeSegments(true); // remove all but one segments from memory
    }
    lastHeap = heap;
    heapTime = now;
  }

  byte stac = 0;
  if (apActive) {
#ifdef ESP8266
    stac = wifi_softap_get_station_num();
#else
    wifi_sta_list_t stationList;
    esp_wifi_ap_get_sta_list(&stationList);
    stac = stationList.num;
#endif
    if (stac != stacO) {
      stacO = stac;
      DEBUG_PRINT(F("Connected AP clients: "));
      DEBUG_PRINTLN(stac);
      if (!WLED_CONNECTED && WLED_WIFI_CONFIGURED) {        // trying to connect, but not connected
        if (stac)
          WiFi.disconnect();        // disable search so that AP can work
        else
          initConnection();         // restart search
      }
    }
  }
  if (forceReconnect) {
    USER_PRINTLN(F("Forcing reconnect."));
    initConnection();
    interfacesInited = false;
    forceReconnect = false;
    wasConnected = false;
    return;
  }
  if (!Network.isConnected()) {
    if (interfacesInited) {
      USER_PRINTLN(F("Disconnected!"));
      interfacesInited = false;
      initConnection();
    }
    //send improv failed 6 seconds after second init attempt (24 sec. after provisioning)
    if (improvActive > 2 && now - lastReconnectAttempt > 6000) {
      sendImprovStateResponse(0x03, true);
      improvActive = 2;
    }
    if (now - lastReconnectAttempt > ((stac) ? 300000 : 18000) && WLED_WIFI_CONFIGURED) {
      if (improvActive == 2) improvActive = 3;
      DEBUG_PRINTLN(F("Last reconnect too old."));
      initConnection();
    }
    if (!apActive && now - lastReconnectAttempt > 12000 && (!wasConnected || apBehavior == AP_BEHAVIOR_NO_CONN)) {
      DEBUG_PRINTLN(F("Not connected AP."));
      initAP();
    }
  } else if (!interfacesInited) { //newly connected
    DEBUG_PRINTLN("");
    USER_PRINT(F("Connected! IP address: "));
    USER_PRINTLN(Network.localIP());
    if (improvActive) {
      if (improvError == 3) sendImprovStateResponse(0x00, true);
      sendImprovStateResponse(0x04);
      if (improvActive > 1) sendImprovRPCResponse(0x01);
    }
    initInterfaces();
    userConnected();
    usermods.connected();
    lastMqttReconnectAttempt = 0; // force immediate update

    // shut down AP
    if (apBehavior != AP_BEHAVIOR_ALWAYS && apActive) {
      dnsServer.stop();
      WiFi.softAPdisconnect(true);
      apActive = false;
      USER_PRINTLN(F("Access point disabled (handle)."));
    }
  }
}

// If status LED pin is allocated for other uses, does nothing
// else blink at 1Hz when WLED_CONNECTED is false (no WiFi, ?? no Ethernet ??)
// else blink at 2Hz when MQTT is enabled but not connected
// else turn the status LED off
void WLED::handleStatusLED()
{
  #if defined(STATUSLED)
  uint32_t c = 0;

  #if STATUSLED>=0
  if (pinManager.isPinAllocated(STATUSLED)) {
    return; //lower priority if something else uses the same pin
  }
  #endif

  if (WLED_CONNECTED) {
    c = RGBW32(0,255,0,0);
    ledStatusType = 2;
  } else if (WLED_MQTT_CONNECTED) {
    c = RGBW32(0,128,0,0);
    ledStatusType = 4;
  } else if (apActive) {
    c = RGBW32(0,0,255,0);
    ledStatusType = 1;
  }
  if (ledStatusType) {
    if (millis() - ledStatusLastMillis >= (1000/ledStatusType)) {
      ledStatusLastMillis = millis();
      ledStatusState = !ledStatusState;
      #if STATUSLED>=0
      digitalWrite(STATUSLED, ledStatusState);
      #else
      busses.setStatusPixel(ledStatusState ? c : 0);
      #endif
    }
  } else {
    #if STATUSLED>=0
      #ifdef STATUSLEDINVERTED
      digitalWrite(STATUSLED, HIGH);
      #else
      digitalWrite(STATUSLED, LOW);
      #endif
    #else
      busses.setStatusPixel(0);
    #endif
  }
  #endif
}