add WiFi

src/main.cpp

@@ -5,24 +5,34 @@
  */
 
 #include <Arduino.h>
+#include <WiFi.h>
+#include <WiFiMulti.h>
 
-// Set LED_BUILTIN if it is not defined by Arduino framework
+WiFiMulti wifiMulti;
-// #define LED_BUILTIN 2
 
 void setup()
 {
+  Serial.begin(115200);
+
   // initialize LED digital pin as an output.
   pinMode(LED_BUILTIN, OUTPUT);
+
+  wifiMulti.addAP(WIFI_SSID, WIFI_PASSWD);
+  wifiMulti.addAP(WIFI_SSID2, WIFI_PASSWD2);
+
+  Serial.println("Connecting Wifi...");
+  if(wifiMulti.run() == WL_CONNECTED) {
+    Serial.println("");
+    Serial.println("WiFi connected");
+    Serial.println("IP address: ");
+    Serial.println(WiFi.localIP());
+  }
 }
 
 void loop()
 {
-  // turn the LED on (HIGH is the voltage level)
+  if(wifiMulti.run() != WL_CONNECTED) {
-  digitalWrite(LED_BUILTIN, HIGH);
+    Serial.println("WiFi not connected!");
-  // wait for a second
+    delay(1000);
-  delay(1000);
+  }
-  // turn the LED off by making the voltage LOW
-  digitalWrite(LED_BUILTIN, LOW);
-   // wait for a second
-  delay(1000);
 }