PERCCOM2017

example.ino

#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266WebServer.h>
#include <ESP8266mDNS.h>

#include "ESP8266WiFi.h"
#include "WiFiUdp.h"

WiFiUDP Udp;
unsigned int localUdpPort = 55555;

char  replyPkt[] = "/";

const char* ssid = "PERCOMM";
const char* password = "strongpass123";

ESP8266WebServer server(55555);

const int led = 13;

void handleRoot() {
  digitalWrite(led, 1);
  server.send(200, "application/ld+json", "{\n"
"\"@context\": \"https://raw.githubusercontent.com/semiotproject/perccom-2017/master/apidoc-temperature.json#\",\n"
"\"@type\": \"doc:TemperatureValue\",\n"
"\"value\": \"14.2\",\n"
"\"unitCode\": \"CEL\"\n"
"}");
  digitalWrite(led, 0);
}

void handleNotFound(){
  digitalWrite(led, 1);
  String message = "File Not Found\n\n";
  message += "URI: ";
  message += server.uri();
  message += "\nMethod: ";
  message += (server.method() == HTTP_GET)?"GET":"POST";
  message += "\nArguments: ";
  message += server.args();
  message += "\n";
  for (uint8_t i=0; i<server.args(); i++){
    message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
  }
  server.send(404, "text/plain", message);
  digitalWrite(led, 0);
}

void setup(void){
  pinMode(led, OUTPUT);
  digitalWrite(led, 0);
  Serial.begin(115200);
  WiFi.begin(ssid, password);
  Serial.println("");

  // Wait for connection
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("");
  Serial.print("Connected to ");
  Serial.println(ssid);
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());

  if (MDNS.begin("esp8266")) {
    Serial.println("MDNS responder started");
  }

  server.on("/", handleRoot);

  server.on("/inline", [](){
    server.send(200, "text/plain", "this works as well");
  });

  server.onNotFound(handleNotFound);

  
  server.begin();
  Serial.println("HTTP server started");
  Udp.begin(localUdpPort);
  Serial.println("UDP started");
}

void loop(void){
  server.handleClient();
  int packetSize = Udp.parsePacket();
  if (packetSize) {
    Udp.beginPacket(Udp.remoteIP(), 

    Udp.remotePort());
    
    Udp.write(replyPkt);
    
    Udp.endPacket();
  }
}