From 8a740d4f198a5d682d77e4daa0651f2946c5c0c5 Mon Sep 17 00:00:00 2001
From: Cedric Girard <girardc@valinor.fr>
Date: Fri, 13 Sep 2019 13:42:47 +0200
Subject: [PATCH] detect and recover from wifi disconnect

---
 esp32-env-monitor.ino | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/esp32-env-monitor.ino b/esp32-env-monitor.ino
index 6e47cea..3c6dfed 100644
--- a/esp32-env-monitor.ino
+++ b/esp32-env-monitor.ino
@@ -295,8 +295,28 @@ void setup() {
 
 }
 
+
 void loop() {
 
+  //detect connection lost and reconnect
+  if (WiFi.status() != WL_CONNECTED) {
+      u8g2log.print("WiFi lost connection.\n");
+
+      delay(500);
+      WiFi.begin(ssid, password);
+
+      u8g2log.print("Reconnecting to:\n");
+      u8g2log.print(ssid);
+      u8g2log.print("\n");
+      u8g2log.print("\n");
+
+      while (WiFi.status() != WL_CONNECTED) {
+        delay(500);
+        u8g2log.print(".");
+      }
+
+  };
+
   server.handleClient();
 
 }