From 33f491a8e62eff02be0a18b4fa348cc6d168be7a Mon Sep 17 00:00:00 2001
From: Christian Baars <baars@klinikum-brandenburg.de>
Date: Mon, 27 May 2024 15:17:09 +0200
Subject: [PATCH] scan wifi asynchronously (#21498)

---
 tasmota/tasmota_xdrv_driver/xdrv_01_9_webserver.ino | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tasmota/tasmota_xdrv_driver/xdrv_01_9_webserver.ino b/tasmota/tasmota_xdrv_driver/xdrv_01_9_webserver.ino
index 0dcf52a14..de9b796ba 100644
--- a/tasmota/tasmota_xdrv_driver/xdrv_01_9_webserver.ino
+++ b/tasmota/tasmota_xdrv_driver/xdrv_01_9_webserver.ino
@@ -1987,7 +1987,11 @@ void HandleWifiConfiguration(void) {
 #ifdef USE_EMULATION
       UdpDisconnect();
 #endif  // USE_EMULATION
-      int n = WiFi.scanNetworks();
+      int n = WiFi.scanNetworks(true);
+      while(n<0){
+        delay(50); // some magic number - maybe non optimal
+        n = WiFi.scanComplete();
+      }
       AddLog(LOG_LEVEL_DEBUG, PSTR(D_LOG_WIFI D_SCAN_DONE));
 
       if (0 == n) {