Simple OSC lop using ESP8266 and Arduino IDE

OscEsp8266.ino

#include <OSCMessage.h>
#include <WiFiUdp.h>

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

const IPAddress outIp(192,168,0,99);        // remote IP of your computer
const unsigned int outPort = 9900;          // remote port to receive OSC
const unsigned int localPort = 9901;        // local port to listen for OSC packets (actually not used for sending)

#include <ESP8266WiFi.h>
int counter = 0;

const char* ssid     = "YOUR_SSID";
const char* password = "YOUR_SSID_PASSWORD";
const char* host = "192.168.0.58"; // IP address for HTTP request
const int httpPort = 8090;         // Port address for HTTP request

const char* ver = "0.5.0";

WiFiClient client;

void keepTryingToConnect() {

  Serial.println("**********************************************************************************");
  Serial.println("************                KEEP TRYING TO CONNECT          **********************");
  Serial.println("**********************************************************************************");

  int connected = 0;
  while  (connected == 0 ) {
    yield();


    Serial.println(WiFi.localIP());
    Serial.print("Wifi status: ");    
    Serial.println(WiFi.status());  

    Serial.print("connecting to ");
    Serial.println(host);

    // Use WiFiClient class to create TCP connections

    if (!client.connect(host, httpPort)) {
      Serial.print("connection to " );
      Serial.print(host);
      Serial.print(":" );
      Serial.print(httpPort);
      Serial.println(" failed");
      Serial.print("client:status() = ");
      Serial.println(client.status());
      WiFi.begin(ssid, password);

      while (WiFi.status() != WL_CONNECTED) {
        delay(500);
        Serial.print(".");
      }
      delay(5000);
    } else { 

      // We now create a URI for the request
      String url = "/ESP/data?ver=";
      url += ver;
      url += "&notification=OscHacking";

      Serial.print("Requesting URL: ");
      Serial.println(url);

      client.print(String("GET ") + url + " HTTP/1.1\r\n" +
          "Host: " + host + "\r\n" + 
          "Connection: close\r\n\r\n");
      delay(10);

      // Read all the lines of the reply from server and print them to Serial
      while(client.available()){
        String line = client.readStringUntil('\r');
        Serial.print(line);
      }

      Serial.println();
      Serial.println("closing connection");

      connected = 1;
    }

}
}

void setup() {
  Serial.begin(115200);

  delay(10);


  Serial.println();
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);

  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }

  Serial.println("");
  Serial.println("WiFi connected");  
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());


  keepTryingToConnect();

  sendNotification("started");



  Serial.println("Starting UDP");
  Udp.begin(localPort);
  Serial.print("Local port: ");
  Serial.println(Udp.localPort());



}


void sendNotificationInt(int i) {

  String url = "/ESP/data?ver=";
  url += ver;
  url += "&notification=";
  url += i;
  url += "&milli=";
  url += millis();
  if (!sendNotifcationURL(url )) {
    keepTryingToConnect();
  }
} 

void sendNotification(char* s) {

  oscMessage();
  // We now create a URI for the request
  String url = "/ESP/data?ver=";
  url += ver;
  url += "&notification=";
  url += s;
  url += "&milli=";
  url += millis();
  if (!sendNotifcationURL(url )) {
    keepTryingToConnect();
  }


}


void oscMessage() {
Serial.print("oscMessage()");
  OSCMessage msg("/esp");

  int ts = millis(); // To cast it.
  msg.add("hello, osc.").add(ts);


  Udp.beginPacket(outIp, outPort);
  msg.send(Udp);
  Udp.endPacket();
  msg.empty();
  delay(50);
   Serial.println("  is done.");
}


bool sendNotifcationURL(String url ) {
  Serial.print("connecting to ");
  Serial.println(host);
  if (!client.connect(host, httpPort)) {
    Serial.print("connection to " );
    Serial.print(host);
    Serial.print(":" );
    Serial.print(httpPort);
    Serial.println(" failed");
    return false;
  }

  Serial.print("Requesting URL: ");
  Serial.println(url);

  client.print(String("GET ") + url + " HTTP/1.1\r\n" +
      "Host: " + host + "\r\n" + 
      "Connection: close\r\n\r\n");
  delay(10);

  Serial.println("--------------------");

  while(client.available()){
    String line = client.readStringUntil('\r');
    Serial.print(line);
  }

  Serial.println("--------------------");
  Serial.println("closing connection");

  return true;
}


void loop() {
  delay(1000); 
  sendNotification("DEMO"); 
  oscMessage();
}