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1#include <Arduino.h>
2#if defined(ESP32)
3  #include <WiFi.h>
4#elif defined(ESP8266)
5  #include <ESP8266WiFi.h>
6#endif
7#include <Firebase_ESP_Client.h>
8#include <DHT.h>
9
10//Provide the token generation process info.
11#include "addons/TokenHelper.h"
12//Provide the RTDB payload printing info and other helper functions.
13#include "addons/RTDBHelper.h"
14
15// Pin Sensor
16#define sensorsuhu 17
17#define DHTTYPE DHT11 // Modul DHTTYPE
18#define sensorapi 4
19#define sensorasap 2
20
21// Insert your network credentials
22#define WIFI_SSID "realme C15"
23#define WIFI_PASSWORD "katasandi"
24
25// Insert Firebase project API Key
26#define API_KEY "AIzaSyB8ksD7MFTYcEn1vb_YOy9qDczN-AMpQ7c"
27
28// Insert RTDB URLefine the RTDB URL */
29#define DATABASE_URL "https://whatsapp-database-7681d-default-rtdb.firebaseio.com/" 
30
31//Define Firebase Data object
32FirebaseData firebasedb;
33
34// Define DHT Sensor
35DHT dht(sensorsuhu, DHTTYPE);
36
37FirebaseAuth auth;
38FirebaseConfig config;
39
40bool signupOK = false;
41
42int suhu(){
43  int celcius = dht.readTemperature();
44
45  if(isnan(celcius)){
46    Serial.print(F("Sensor DHT Error"));
47    delay(2000);
48  }
49  return celcius;
50}
51
52int dataapi(){
53  int api = analogRead(sensorapi);
54  return api;
55}
56
57int datagas(){
58  int gas = analogRead(sensorasap);
59  return gas;
60}
61
62void setup() {
63  // put your setup code here, to run once:
64  Serial.begin(115200);
65  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
66  Serial.print("Connecting to Wi-Fi");
67  while (WiFi.status() != WL_CONNECTED){
68    Serial.print(".");
69    delay(300);
70  }
71  Serial.println();
72  Serial.print("Connected with IP: ");
73  Serial.println(WiFi.localIP());
74  Serial.println();
75
76  /* Assign the api key (required) */
77  config.api_key = API_KEY;
78
79  /* Assign the RTDB URL (required) */
80  config.database_url = DATABASE_URL;
81
82  /* Sign up */
83  if (Firebase.signUp(&config, &auth, "", "")){
84    Serial.println("ok");
85    signupOK = true;
86  }
87  else{
88    Serial.printf("%s\n", config.signer.signupError.message.c_str());
89  }
90
91  /* Assign the callback function for the long running token generation task */
92  config.token_status_callback = tokenStatusCallback; //see addons/TokenHelper.h
93  
94  Firebase.begin(&config, &auth);
95  Firebase.reconnectWiFi(true);
96}
97
98void loop() {
99  // put your main code here, to run repeatedly:
100  if (Firebase.ready()){
101    int state = dataapi();
102    if(state == LOW)
103    {
104      Serial.println(F("Tidak ada api"));
105      Firebase.RTDB.setString(&firebasedb, "/info-data/keterangan", "aman");
106      Firebase.RTDB.setString(&firebasedb, "/info-data/pesan/", "Tidak ada api");
107    } 
108    else
109    {
110      Serial.println(F("Api terdeteksi disekitar"));
111      Firebase.RTDB.setString(&firebasedb, "/info-data/keterangan", "tidak aman");
112      Firebase.RTDB.setString(&firebasedb, "/info-data/pesan", "Api terdeteksi disekitar");
113    }
114  
115    int gassensor = datagas();
116    if(gassensor >= 0)
117    {
118      Serial.println(F("Keadaan di sekitar aman"));
119      Firebase.RTDB.setString(&firebasedb, "/info-data/keterangan", "aman");
120      Firebase.RTDB.setString(&firebasedb, "/info-data/pesan", "Keadaan di sekitar aman");
121    }
122    else if((gassensor >= 25) && (gassensor <= 50))
123    {
124      Serial.println(F("Perhatikan!! Asap Menyebar"));
125      Firebase.RTDB.setString(&firebasedb, "/info-data/keterangan", "sedang");
126      Firebase.RTDB.setString(&firebasedb, "/info-data/pesan", "Perhatian!! Kebakaran");
127    }
128  
129    Firebase.RTDB.setInt(&firebasedb, "/info-data/suhu", suhu());
130    Firebase.RTDB.setInt(&firebasedb, "/info-data/gas/", gassensor);
131    Serial.print(F("Suhu: "));
132    Serial.print(suhu());
133    Serial.println(F("°C "));
134  
135    Serial.print(F("Asap: "));
136    Serial.print(gassensor);
137    Serial.print(gassensor);
138    Serial.println(F(" ppm"));
139  }
140  
141}