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fix boot-up wifi pause even with extended scanning

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forgot to push this update before merging #5337
This commit is contained in:
Damian Schneider
2026-02-21 10:12:34 +01:00
parent 439d4a0e98
commit 822e07d9f5
1 changed files with 6 additions and 27 deletions
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33
wled00/wled.cpp
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@@ -506,8 +506,10 @@ void WLED::setup()
#ifndef ESP8266
WiFi.setScanMethod(WIFI_ALL_CHANNEL_SCAN);
WiFi.persistent(true); // storing credentials in NVM fixes boot-up pause as connection is much faster, is disabled after first connection
#else
WiFi.persistent(false); // on ES8266 using NVM for wifi config has no benefit of faster connection
#endif
WiFi.persistent(false); // note: on ESP32 this is only applied if WiFi.mode() is called and only if mode changes, use low level esp_wifi_set_storage() to change storage method immediately
WiFi.onEvent(WiFiEvent);
WiFi.mode(WIFI_STA); // enable scanning
findWiFi(true); // start scanning for available WiFi-s
@@ -670,27 +672,6 @@ void WLED::initAP(bool resetAP)
void WLED::initConnection()
{
#ifdef ARDUINO_ARCH_ESP32
static bool firstCall = true;
bool updateWiFiNVM = false;
if (firstCall) {
// check cached WiFi config in flash, esp_wifi_get_config still contains NVM values at this point
// note: connecting to the NVM stored wifi is much faster and prevents boot-up glitches on LEDs (there is no benefit on ESP8266)
wifi_config_t cachedConfig;
esp_err_t configResult = esp_wifi_get_config( (wifi_interface_t)ESP_IF_WIFI_STA, &cachedConfig );
if( configResult == ESP_OK ) {
if (strncmp((const char*)cachedConfig.sta.ssid, multiWiFi[0].clientSSID, 32) != 0 ||
strncmp((const char*)cachedConfig.sta.password, multiWiFi[0].clientPass, 64) != 0) {
updateWiFiNVM = true; // SSID or pass changed, update NVM at next WiFi.begin() call
DEBUG_PRINTLN(F("WiFi config NVM update triggered"));
}
}
firstCall = false;
}
else
esp_wifi_set_storage(WIFI_STORAGE_RAM); // do not update NVM credentials while running to prevent wear on flash
#endif
DEBUG_PRINTF_P(PSTR("initConnection() called @ %lus.\n"), millis()/1000);
#ifdef WLED_ENABLE_WEBSOCKETS
ws.onEvent(wsEvent);
@@ -741,11 +722,6 @@ void WLED::initConnection()
char hostname[25];
prepareHostname(hostname);
#ifdef ARDUINO_ARCH_ESP32
if(updateWiFiNVM && selectedWiFi == 0) // NVM only can store one wifi: store credentials of first WiFi even if multiple are configured
esp_wifi_set_storage(WIFI_STORAGE_FLASH); // temporary override WiFi.persistent(false) to store credentials in flash (is reset to RAM on next initConnection() call)
#endif
#ifdef WLED_ENABLE_WPA_ENTERPRISE
if (multiWiFi[selectedWiFi].encryptionType == WIFI_ENCRYPTION_TYPE_PSK) {
DEBUG_PRINTLN(F("Using PSK"));
@@ -970,6 +946,9 @@ void WLED::handleConnection()
DEBUG_PRINTLN();
DEBUG_PRINT(F("Connected! IP address: "));
DEBUG_PRINTLN(Network.localIP());
#ifdef ARDUINO_ARCH_ESP32
esp_wifi_set_storage(WIFI_STORAGE_RAM); // disable further updates of NVM credentials to prevent wear on flash (same as WiFi.persistent(false) but updates immediately, arduino wifi deficiency workaround)
#endif
if (improvActive) {
if (improvError == 3) sendImprovStateResponse(0x00, true);
sendImprovStateResponse(0x04);