SSDP Test 3

SYSTEM_MODE(MANUAL);
//Disables connection to Spark Cloud without additional API query

// UDP Port used for two way communication
unsigned int localPort = 1900;
const char *message = "A";
#define MAX_SIZE 1024
char buffer[MAX_SIZE];

unsigned int once = 0;

unsigned int ssdpport = 1900;
IPAddress ip( 239, 255, 255, 250 );

// An UDP instance to let us send and receive packets over UDP
UDP Udp;

void setup() {
  Serial.begin(9600);  
  WiFi.on();
 
  // Connects to a network with a specified authentication procedure.
// Options are WPA2, WPA, or WEP.
  WiFi.clearCredentials();
  WiFi.setCredentials("why", "noUDP", WPA);
  WiFi.connect();
}

void loop() {
    Spark.process();
                    
    if (WiFi.ready() == true)
    {
      if ((ip[0] != 0 ||ip[1] != 0 || ip[2] != 0 || ip[3] != 0) && (once == 0)) {
     
      Serial.println("UDP has begun");
      once = 1;
      }
       Udp.begin(localPort);
      Serial.println(WiFi.localIP());
      //Module to send SSDP packet

    if (Udp.parsePacket() > 0) {

      // Read first char of data received
     Udp.read(buffer, MAX_SIZE);
      Serial.println(buffer);
  }

    message = "M-SEARCH * HTTP/1.1\r\nHOST: 239.255.255.250:1900\r\nMAN: \"ssdp:discover\"\r\nMX: 5\r\nST: ssdp:all\r\n\r\n";


    // Udp.flush();
    //Sends SSDP Packet to multicast address  
    Udp.beginPacket(ip, ssdpport);
    Udp.write("M-SEARCH * HTTP/1.1\r\nHOST: 239.255.255.250:1900\r\nMAN: \"ssdp:discover\"\r\nMX: 5\r\nST: ssdp:all\r\n\r\n");
    Udp.endPacket();
    Udp.stop();
    // delay(100); //Needed to prevent the Core from self destructing

    
  }
}