From b963e7f95a544c84172951485858fbf70b34eda1 Mon Sep 17 00:00:00 2001
From: tablatronix <spam@rumental.com>
Date: Sat, 25 Aug 2018 14:55:51 -0500
Subject: [PATCH] fix esp32 fatal, disabled async

---
 WiFiManager.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/WiFiManager.cpp b/WiFiManager.cpp
index f473450..a2fcde3 100644
--- a/WiFiManager.cpp
+++ b/WiFiManager.cpp
@@ -994,10 +994,14 @@ bool WiFiManager::WiFi_scanNetworks(bool force,bool async){
       int8_t res;
       unsigned int _scanstart = millis();
       if(async){
+        #ifdef ESP8266
         using namespace std::placeholders; // for `_1`
         WiFi.scanNetworksAsync(std::bind(&WiFiManager::WiFi_scanComplete,this,_1));
         DEBUG_WM(DEBUG_VERBOSE,F("WiFi Scan ASYNC started"));
         return false;
+        #else
+        res = WiFi.scanNetworks();
+        #endif
       }
       else{
         res = WiFi.scanNetworks();