From 7811668fb185c65d57c3c262114fbe51c083e345 Mon Sep 17 00:00:00 2001
From: me-no-dev <hristo@espressif.com>
Date: Wed, 21 Jun 2017 12:42:55 +0300
Subject: [PATCH] Make sure that WiFi is started before trying to erase
 configuration.

Connected to: https://github.com/espressif/arduino-esp32/issues/400
---
 libraries/WiFi/src/WiFiSTA.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libraries/WiFi/src/WiFiSTA.cpp b/libraries/WiFi/src/WiFiSTA.cpp
index abb506b8..e500f476 100644
--- a/libraries/WiFi/src/WiFiSTA.cpp
+++ b/libraries/WiFi/src/WiFiSTA.cpp
@@ -260,6 +260,7 @@ bool WiFiSTAClass::disconnect(bool wifioff)
     *conf.sta.password = 0;
 
     WiFi.getMode();
+    esp_wifi_start();
     esp_wifi_set_config(WIFI_IF_STA, &conf);
     ret = esp_wifi_set_config(WIFI_IF_STA, &conf) == ESP_OK;