CoffeeMaker.ino

#include <ESP8266WiFi.h>
#include <stdlib.h>
 
const char* ssid = "MAAQ";
const char* password = "";

WiFiServer server(80);

void setup() {
  pinMode(LED_BUILTIN, OUTPUT);
  pinMode(D1, OUTPUT); 
  pinMode(D3, INPUT_PULLUP);

  // Attempt to connect to WiFi, blink while connecting, solid while connected
  WiFi.hostname("COFFEEMAKER");
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    digitalWrite(LED_BUILTIN, LOW);
    delay(250);
    digitalWrite(LED_BUILTIN, HIGH);
    delay(250);
  }
  digitalWrite(LED_BUILTIN, LOW);

  server.begin();
}

void loop() {
  WiFiClient client = server.available();
  if (!client) {
    return;
  }
 
  // Wait until the client sends some data
  while(!client.available()){
    delay(1);
  }
 
  // Read the first line of the request
  String request = client.readStringUntil('\r');
  client.flush();
 
  client.println("HTTP/1.1 200 OK");
  client.println("Content-Type: application/json");
  client.println("");

  if (request.indexOf("GET /led HTTP/1.1") != -1) {
	  client.println("{");
	  if (digitalRead(D3) == HIGH) {
	  	client.println("\"led\": false,");
	  } else {
	  	client.println("\"led\": true,");
	  }
	  client.println("\"success\": true");
	  client.println("}");
  } else {
    if (request.indexOf("POST /toggle HTTP/1.1") != -1) {
    	client.println("{");
	    digitalWrite(D1, HIGH);
	    delay(250);
	    digitalWrite(D1, LOW);
	    delay(250);
		if (digitalRead(D3) == HIGH) {
			client.println("\"led\": false,");
		} else {
			client.println("\"led\": true,");
		}
		client.println("\"success\": true");
		client.println("}");
	} else {
		client.println("{");
		client.println("\"success\": false");
		client.println("}");
	}
  }
  delay(1);
}