Trying wifimanager. Looks good

ampel-firmware/src/lib/WiFiManager/LICENSE

+The MIT License (MIT)
+
+Copyright (c) 2015 tzapu
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+

ampel-firmware/wifi_util.cpp

@@ -40,41 +40,12 @@ namespace wifi {
     Serial.println(WIFI_SSID);
   }
 
+  WiFiManager wifiManager;
+
   // Initialize Wi-Fi
   void connect(const char *hostname) {
-
     sensor_console::defineCommand("wifi_scan", scanNetworks, F("(Scans available WiFi networks)"));
     sensor_console::defineCommand("local_ip", showLocalIp, F("(Displays local IP and current SSID)"));
-
-    //NOTE: WiFi Multi could allow multiple SSID and passwords.
-    WiFi.persistent(false); // Don't write user & password to Flash.
-    WiFi.mode(WIFI_STA); // Set ESP to be a WiFi-client only
-#if defined(ESP8266)
-    WiFi.hostname(hostname);
-#elif defined(ESP32)
-    WiFi.setHostname(hostname);
-#endif
-
-    Serial.print(F("WiFi - Connecting to "));
-    Serial.println(config::wifi_ssid);
-    WiFi.begin(config::wifi_ssid, config::wifi_password);
-
-    // Wait for connection, at most wifi_timeout seconds
-    for (int i = 0; i <= config::wifi_timeout && (WiFi.status() != WL_CONNECTED); i++) {
-      led_effects::showRainbowWheel();
-      Serial.print(".");
-    }
-    if (WiFi.status() == WL_CONNECTED) {
-      led_effects::showKITTWheel(color::green);
-      Serial.println();
-      Serial.print(F("WiFi - Connected! IP address: "));
-      IPAddress address = WiFi.localIP();
-      snprintf(local_ip, sizeof(local_ip), "%d.%d.%d.%d", address[0], address[1], address[2], address[3]);
-      Serial.println(local_ip);
-    } else {
-      //TODO: Allow sensor to work as an Access Point, in order to define SSID & password?
-      led_effects::showKITTWheel(color::red);
-      Serial.println(F("Connection to WiFi failed"));
-    }
+    wifiManager.autoConnect(hostname);
   }
 }

ampel-firmware/wifi_util.h

@@ -4,6 +4,7 @@
 #include "config.h"
 #include "util.h"
 #include "led_effects.h"
+#include "src/lib/WiFiManager/WiFiManager.h"
 
 namespace wifi {
   extern char local_ip[];