From d771b07f8f737c6efedf40498eeccd3ac7ade8a7 Mon Sep 17 00:00:00 2001
From: Mario Lukas <info@fabscan.org>
Date: Wed, 9 Dec 2020 19:59:04 +0100
Subject: [PATCH] feat (MDNS): added support for mdns

---
 src/main.cpp   | 11 +++++++++++
 src/settings.h |  1 +
 2 files changed, 12 insertions(+)

diff --git a/src/main.cpp b/src/main.cpp
index b5e2d85..bcb7477 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -4,6 +4,9 @@
 #include <ESP32Encoder.h>
 #include "Arduino.h"
 #include <WiFi.h>
+#ifdef MDNS_ENABLE
+#include <ESPmDNS.h>
+#endif
 #ifdef FTP_ENABLE
     #include "ESP32FtpServer.h"
 #endif
@@ -2987,6 +2990,14 @@ wl_status_t wifiManager(void) {
         } else { // Starts AP if WiFi-connect wasn't successful
             accessPointStart((char *) FPSTR(accessPointNetworkSSID), apIP, apNetmask);
         }
+
+        #ifdef MDNS_ENABLE
+        // zero conf, make device available as <hostname>.local
+        if (MDNS.begin(hostname.c_str())) {
+            MDNS.addService("http", "tcp", 80);
+        }
+        #endif
+
         wifiNeedsRestart = false;
     }
 
diff --git a/src/settings.h b/src/settings.h
index 95ffa90..38430d0 100644
--- a/src/settings.h
+++ b/src/settings.h
@@ -1,6 +1,7 @@
 #include "Arduino.h"
 
 //########################## MODULES #################################
+//#define MDNS_ENABLE
 #define MQTT_ENABLE                 // Make sure to configure mqtt-server and (optionally) username+pwd
 #define FTP_ENABLE                  // Enables FTP-server
 #define NEOPIXEL_ENABLE             // Don't forget configuration of NUM_LEDS if enabled