use events for Wifi

src/wifi.h

@@ -2,19 +2,24 @@
 #include <ESP8266WiFiMulti.h>
 #include <ESP8266mDNS.h>
 
-class Wifi {
+namespace Wifi {
+
+  WiFiEventHandler stationConnectedHandler;
 
-private:
   String currentSSID;
   String currentPsk;
 
-public:
   void setup() {
+    stationConnectedHandler = WiFi.onStationModeConnected([](const WiFiEventStationModeConnected& e) {
+      Serial.println("Reconnected to network.");
+      wifiConnected.signal();
+      });
+
+    WiFi.hostname("esp-clock");
+
     ESP8266WiFiMulti wifiMulti;
     wifiMulti.addAP("OpenWrt", "pnW#0trsWrt");
-    // wifiMulti.addAP("IoT", "inT#0trsNgs");
     wifiMulti.addAP("Miracle", "adriana1978");
-    WiFi.hostname("esp-clock");
 
     Serial.println("Connecting to WiFi netowrk.");
     while (wifiMulti.run() != WL_CONNECTED) {
@@ -30,9 +35,6 @@ public:
       WiFi.forceSleepWake();
       WiFi.begin(currentSSID.c_str(), currentPsk.c_str());
       Serial.println("Reconnecting to WiFi netowrk...");
-      for (int i = 0; i < 4; i++) {
-        delay(1000);
-      }
     }
   }
 
@@ -58,4 +60,4 @@ public:
     Serial.print(rssi);
     Serial.println(" dBm");
   }
-} wifi;
+}