Arduino/WiFi/examples/wifi_example/wifi_example.pde

/*
 WiFi Server example

 A simple connection with WiFi AP with Wireless Security
 information try to access with WPA or WEP security keys
 A simple server is setup to exchange data.

 created 13 July 2010
 by Domenico La Fauci
 */
#include <WiFi.h>
#include <IPAddress.h>

byte mac[6] = { 0 };
IPAddress ip;
IPAddress gateway;
IPAddress subnet;
byte dataBuf[80] = { 0 };
char ssid[32] = { 0 };
int status = WL_IDLE_STATUS;
#define MAX_NUM_SSID 10
char ssidList[MAX_NUM_SSID][32] = { {0} };
 

Server server(23);

void printIpData()
{
  ip = WiFi.localIp();
       
  Serial.print("IP: ");
  Serial.print(ip[3],10);Serial.print(".");
  Serial.print(ip[2],10);Serial.print(".");
  Serial.print(ip[1],10);Serial.print(".");
  Serial.println(ip[0],10);
          
  subnet = WiFi.subnetMask();
  Serial.print("NETMASK: ");
  Serial.print(subnet[3],10);Serial.print(".");
  Serial.print(subnet[2],10);Serial.print(".");
  Serial.print(subnet[1],10);Serial.print(".");
  Serial.println(subnet[0],10);
  
  gateway = WiFi.gatewayIP();
  Serial.print("GATEWAY: ");
  Serial.print(gateway[3],10);Serial.print(".");
  Serial.print(gateway[2],10);Serial.print(".");
  Serial.print(gateway[1],10);Serial.print(".");
  Serial.println(gateway[0],10);

  WiFi.macAddress(mac);
  Serial.print("MAC: ");
  Serial.print(mac[5],16);Serial.print(":");
  Serial.print(mac[4],16);Serial.print(":");
  Serial.print(mac[3],16);Serial.print(":");
  Serial.print(mac[2],16);Serial.print(":");
  Serial.print(mac[1],16);Serial.print(":");
  Serial.println(mac[0],16);
}

void printCurrNet()
{
    char* ssid = WiFi.SSID();
    Serial.print("SSID: ");
    Serial.println(ssid);
    
    byte bssid[6];
    WiFi.BSSID(bssid);    
    Serial.print("BSSID: ");
    Serial.print(bssid[5],16);Serial.print(":");
    Serial.print(bssid[4],16);Serial.print(":");
    Serial.print(bssid[3],16);Serial.print(":");
    Serial.print(bssid[2],16);Serial.print(":");
    Serial.print(bssid[1],16);Serial.print(":");
    Serial.println(bssid[0],16);

    int32_t rssi = WiFi.RSSI();
    Serial.print("RSSI:");
    Serial.println(rssi,10);
    
    uint8_t enct = WiFi.encryptionType();
    Serial.print("Encryption Type:");
    Serial.println(enct,16);
}

void scanNetworks()
{
    byte numSsid = WiFi.scanNetworks();
    if (numSsid > MAX_NUM_SSID) numSsid = MAX_NUM_SSID;
    Serial.print("SSID List:");
    Serial.println(numSsid, 10);
    for (int i = 0; i<numSsid; ++i)
    {
        Serial.println(WiFi.SSID(i));
    }
}


int startWiFi()
{
  Serial.println("Setup WiFi...");
  strcpy(ssid, "Cariddiwep");
  Serial.print("SSID: ");
  Serial.println(ssid);
  int status = WiFi.begin(ssid);
  if ( status != WL_CONNECTED)
  {
    Serial.println("Connection Failed");
  }
  return status;
}

void setup()
{
  Serial.begin(9600);
  Serial.println("*** Start WiFi example ***");

  //scanNetworks();
  delay(3000);

  int _status = startWiFi();

  if ( _status == WL_CONNECTED)
  {
    Serial.println("Wifi Connected!");

    printIpData();      

    printCurrNet();
    
    scanNetworks();
  /*
    Serial.println("Starting server...");
    server.begin();
   delay(1000);  
   */
  }
}

void loop()
{
  /*
  static uint8_t count = 0;
  Serial.println("Retry connect...");
  status = WiFi.begin(ssid);
  if (status == WL_CONNECTED)
  {
      byte status = 0;
      Client client = server.available(&status);
      if (client) {
        //Serial.print("Status: ");
        //Serial.println(status, 16);
        byte idx = 0;
        while (client.available())
        {
            dataBuf[idx++] = client.read();
        }

        if (idx>0) 
        {
          dataBuf[idx]=0; 
          //Serial.println((char*)&dataBuf[0]);
          server.write((char*)&dataBuf[0]);
        }
        return;
      }
  }
  */
}