refactored into multiple files

src/ota.h

@@ -0,0 +1,22 @@
+#include <ArduinoOTA.h>
+
+void setupOTA() {
+	  ArduinoOTA.onStart([]() {
+	    Serial.println("Start");
+	  });
+	  ArduinoOTA.onEnd([]() {
+	    Serial.println("\nEnd");
+	  });
+	  ArduinoOTA.onProgress([](unsigned int progress, unsigned int total) {
+	    Serial.printf("Progress: %u%%\r", (progress / (total / 100)));
+	  });
+	  ArduinoOTA.onError([](ota_error_t error) {
+	    Serial.printf("Error[%u]: ", error);
+	    if (error == OTA_AUTH_ERROR) Serial.println("Auth Failed");
+	    else if (error == OTA_BEGIN_ERROR) Serial.println("Begin Failed");
+	    else if (error == OTA_CONNECT_ERROR) Serial.println("Connect Failed");
+	    else if (error == OTA_RECEIVE_ERROR) Serial.println("Receive Failed");
+	    else if (error == OTA_END_ERROR) Serial.println("End Failed");
+	  });
+	  ArduinoOTA.begin();
+}

src/wifi.h

@@ -0,0 +1,59 @@
+#include <ESP8266WiFi.h>
+#include <ESP8266WiFiMulti.h>
+#include <ESP8266mDNS.h>
+
+class Wifi {
+
+private:
+  String currentSSID;
+  String currentPsk;
+
+public:
+  void setup() {
+    ESP8266WiFiMulti wifiMulti;
+    wifiMulti.addAP("IoT", "inT#0trsNgs");
+    wifiMulti.addAP("Miracle", "adriana1978");
+    
+    Serial.println("Connecting to WiFi netowrk.");
+    while (wifiMulti.run() != WL_CONNECTED) {
+      delay(500);
+    }
+    Serial.println("Connected to network.");
+    currentSSID = WiFi.SSID();
+    currentPsk = WiFi.psk();
+  }
+
+  void reconnect() {
+    if (WiFi.status() != WL_CONNECTED) {
+      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);
+      }
+    }
+  }
+
+  void disconnect() {
+    Serial.println("Disconnecting WiFi");
+    WiFi.disconnect();
+    WiFi.forceSleepBegin();
+  }
+
+  void printStatus() {
+    // print the SSID of the network you're attached to:
+    Serial.print("SSID: ");
+    Serial.println(WiFi.SSID());
+
+    // print your WiFi shield's IP address:
+    IPAddress ip = WiFi.localIP();
+    Serial.print("IP Address: ");
+    Serial.println(ip);
+
+    // print the received signal strength:
+    long rssi = WiFi.RSSI();
+    Serial.print("signal strength (RSSI):");
+    Serial.print(rssi);
+    Serial.println(" dBm");
+  }
+};