BiZUtLRi

1#include <ESP8266WiFi.h>
2
3int BELL_PIN = 4;
4String API_KEY = "<firebase API key>";
5String DATA_KEY  = "<firebase DATA key>";
6boolean ring = false;
7WiFiClient client;
8
9void setup() {
10
11  WiFi.begin("...", "...");
12  while (WiFi.status() != WL_CONNECTED) {
13    delay(500);
14  } 
15  Serial.begin(115200);
16  Serial.println("Serial start..."); 
17}
18
19void loop() {
20  pinMode(BELL_PIN, INPUT);
21  if (digitalRead(BELL_PIN) == 1) ring = true;
22  ring = true;
23  if (ring)
24  {
25    Serial.println("Ringing...");
26    sendDataToFirebase("Ring sensor changed");
27    ring = false;
28    pinMode(BELL_PIN, OUTPUT);
29    digitalWrite(BELL_PIN, 0);
30  }
31  delay(1000);
32}
33
34void sendDataToFirebase(String alarm) 
35{    
36    String data = "{" ;
37    data = data + "\"to\": \"+ DATA_KEY + "\"," ;
38    data = data + "\"notification\": {" ;
39    data = data + "\"body\": \"Ringing door bell...\"," ;
40    data = data + "\"title\" : \"Alarm\" " ;
41    data = data + "} }" ;
42    Serial.println("Send data...");
43    int status = client.connect("fcm.googleapis.com",80);
44    delay(1000);
45    if (client.connected()) {
46        Serial.println("Connected to the server..");
47        client.println("POST /fcm/send HTTP/1.1");
48        client.println("Authorization: key=" + API_KEY);
49        client.println("Content-Type: application/json");
50        client.println("Host: fcm.googleapis.com");
51        client.print("Content-Length: ");
52        client.println(data.length());
53        client.print("\n");
54        client.print(data);
55        Serial.println("Data sent...");
56    } else
57      Serial.println("Connection failed: " + String(status));
58    Serial.println("Reading response..");
59    delay(10000);
60    while (client.available()) {
61        char c = client.read();
62        Serial.print(c);
63    } 
64    Serial.println("Finished!");
65    client.flush();
66    client.stop();
67}