arduino/WiFiConnection/WiFiConnection.ino

/*
 * Connecting to a WiFi network with WPA
 ************************************************
 * Originally adapted from https://www.arduino.cc/en/Tutorial/ConnectWithWPA
 * by Starbeamrainbowlabs
 */

#include <WiFi.h>

char ssid[] = "evenstar-2.4";
char password[] = "yourPasswordHere";
// The current wifi status
int currentStatus = WL_IDLE_STATUS;

void setup()
{
  // put your setup code here, to run once:
  Serial.begin(4800);

  Serial.println("Hello, world!");

  // Make sure that WiFi is supported
  Serial.print("Testing for WiFi support - ");
  if(WiFi.status() == WL_NO_SHIELD)
  {
    Serial.println("failed!");
    Serial.println("WiFi shield not present :-(");
    while(true) { delay(1000); }
  }
  Serial.println("success.");

  Serial.println("Beginning connection sequence.");
  while(currentStatus != WL_CONNECTED)
  {
    Serial.print("Attempting to connect to ");
    Serial.print(ssid);
    Serial.print(" - ");

    currentStatus = WiFi.begin(ssid, password);

    //  Wait 10 seconds for the connection to start
    delay(10000);
  }
  
  Serial.println("success!");
}

void loop()
{
  delay(1000);
  printWiFiInfoLocal();
  printWiFiInfoRemote();
  delay(1000);
}

void printWiFiInfoLocal()
{
  Serial.print("IP Address: ");
  Serial.println(WiFi.localIP());
  
  Serial.print("MAC Address: ");
  byte macAddress[6];
  WiFi.macAddress(macAddress);
  printMac(macAddress);
}

void printWiFiInfoRemote()
{
  Serial.print("Current Wifi network:");
  Serial.print(WiFi.SSID());
  Serial.print(" (");
  byte macAddress[6];
  WiFi.macAddress(macAddress);
  printMac(macAddress);
  Serial.println(")");
}

void printMacPart(byte& macPart, bool end);

void printMac(byte macAddress[])
{
  for(int i = 5; i >= 0; --i)
  {
    printMacPart(macAddress[i], i == 0 ? true : false);
  }
}

void printMacPart(byte& macPart, bool end)
{
  Serial.print(macPart,HEX);
  if(!end) Serial.print(":");
}