Upload files to "Kode Program Arduino IDE"
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#include <WiFi.h>
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#include <Wire.h>
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#include <LiquidCrystal_I2C.h>
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#include <ESP32Servo.h>
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#include <RTClib.h>
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#include <Firebase_ESP_Client.h>
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#include <ArduinoJson.h>
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#include "addons/TokenHelper.h"
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#include "addons/RTDBHelper.h"
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#include <PubSubClient.h>
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#define LCD_ADDR 0x27
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#define LCD_COLS 16
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#define LCD_ROWS 2
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#define API_KEY "AIzaSyBvMyCNKKCBrSjDaArHc3VF7TpjqJOYNS4"
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#define DATABASE_URL "https://jam-makan-default-rtdb.asia-southeast1.firebasedatabase.app"
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// Pin konfigurasi
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#define SERVO_PIN 13
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// Inisialisasi komponen
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Servo servo;
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RTC_DS3231 rtc;
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LiquidCrystal_I2C lcd(LCD_ADDR, LCD_COLS, LCD_ROWS);
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FirebaseData fbdo;
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FirebaseAuth auth;
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FirebaseConfig config;
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#define JSON_DOCUMENT_SIZE 1024
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StaticJsonDocument<JSON_DOCUMENT_SIZE> doc;
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// Deklarasi Fungsi
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String hitungWaktuPakanTerdekat(int jam, int menit, int pagi_hour, int pagi_minute, int siang_hour, int siang_minute, int malam_hour, int malam_minute);
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DateTime kalibrasiWaktu(const DateTime& dt); // Tambahkan deklarasi fungsi kalibrasiWaktu
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unsigned long sendDataPrevMillis = 0;
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bool signupOK = false;
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unsigned long servoFinishTime = 0;
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const unsigned long fetchInterval = 15000; // 15 detik
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String waktuPakanTerdekat;
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bool servoFinished = false;
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// Variabel untuk menyimpan jumlah putaran servo untuk setiap waktu makan
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int pagiPutaran = 0;
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int siangPutaran = 0;
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int malamPutaran = 0;
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// Variabel status untuk melacak aktivasi servo
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bool pagiPakanDiberikan = false;
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bool siangPakanDiberikan = false;
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bool malamPakanDiberikan = false;
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const char* mqtt_server = "broker.hivemq.com";
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const char* topic = "piCo/manualFeed";
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WiFiClient espClient;
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PubSubClient client(espClient);
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// Fungsi untuk kalibrasi waktu RTC
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DateTime kalibrasiWaktu(const DateTime& dt) {
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int seconds = dt.second() + 15;
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int minutes = dt.minute();
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int hours = dt.hour();
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int days = dt.day();
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int months = dt.month();
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int years = dt.year();
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// Atur detik
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if (seconds >= 60) {
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seconds -= 60;
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minutes++;
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if (minutes >= 60) {
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minutes -= 60;
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hours++;
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if (hours >= 24) {
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hours -= 24;
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days++;
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// Anda bisa menambahkan kode untuk menangani bulan dan tahun jika diperlukan
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}
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}
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}
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return DateTime(years, months, days, hours, minutes, seconds);
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}
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void setup() {
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Serial.begin(57600);
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Wire.begin();
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servo.attach(SERVO_PIN);
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if (!rtc.begin()) {
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Serial.println("RTC tidak ditemukan!");
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while (1);
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}
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if (rtc.lostPower()) {
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Serial.println("RTC kehilangan daya, set waktu ke waktu kompilasi!");
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rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
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}
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lcd.init();
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lcd.backlight();
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// Tampilkan pesan selamat datang
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lcd.setCursor(0, 0);
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lcd.print(" PiCo");
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lcd.setCursor(0, 1);
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lcd.print(" Initializing");
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// Tunggu beberapa detik
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delay(2000);
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// Inisialisasi WiFi
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Serial.println();
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Serial.println("Menghubungkan ke WiFi...");
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WiFi.begin("POCO F4", "123456789"); // Ganti SSID dan password dengan yang sesuai
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while (WiFi.status() != WL_CONNECTED) {
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delay(500);
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Serial.print(".");
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}
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Serial.println("");
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Serial.println("WiFi terhubung");
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Serial.println("Alamat IP: ");
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Serial.println(WiFi.localIP());
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Serial.println("Menghubungkan ke Firebase...");
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setupFirebase();
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client.setServer(mqtt_server, 1883);
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client.setCallback(callback);
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while (!client.connected()) {
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String client_id = "esp32-client-";
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client_id += String(WiFi.macAddress());
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Serial.printf("The client %s connects to the public mqtt broker\n", client_id.c_str());
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if (client.connect(client_id.c_str())) {
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Serial.println("Public emqx mqtt broker connected");
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} else {
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Serial.print("failed with state ");
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Serial.print(client.state());
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delay(2000);
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}
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}
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// publish and subscribe
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client.publish(topic, "Hi EMQX I'm ESP32 ^^");
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client.subscribe(topic);
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}
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void reconnect() {
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// Loop until we're reconnected
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while (!client.connected()) {
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Serial.print("Attempting MQTT connection...");
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// Attempt to connect
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if (client.connect("ESP32Client")) {
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Serial.println("connected");
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// Subscribe
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client.subscribe("piCo/manualFeed");
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} else {
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Serial.print("failed, rc=");
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Serial.print(client.state());
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Serial.println(" try again in 5 seconds");
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// Wait 5 seconds before retrying
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delay(5000);
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}
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}
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}
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void callback(char* topic, byte* message, unsigned int length) {
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Serial.print("Message arrived on topic: ");
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Serial.print(topic);
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Serial.print(". Message: ");
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String messageTemp;
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for (int i = 0; i < length; i++) {
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Serial.print((char)message[i]);
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messageTemp += (char)message[i];
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}
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Serial.println();
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if (String(topic) == "piCo/manualFeed") {
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if (messageTemp == "Makan") {
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Serial.println("Pemberian pakan manual");
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activateServo(1); // Ganti angka dengan jumlah putaran servo yang diinginkan
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}
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}
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}
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void loop() {
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DateTime now = rtc.now();
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// Kalibrasi waktu
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DateTime kalibrasiNow = kalibrasiWaktu(now);
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if (!client.connected()) {
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reconnect();
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}
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client.loop();
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getDataFromFirebase(kalibrasiNow);
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tampilkanWaktuDanJadwal(kalibrasiNow);
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delay(1000);
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}
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// Fungsi untuk mengaktifkan servo
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void activateServo(int putaran) {
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Serial.print("Makan Done");
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servo.write(90); // Putar servo ke posisi tengah (contoh)
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delay(1000); // Tunggu satu detik
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for (int i = 0; i < putaran; i++) {
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servo.write(90); // Putar servo ke posisi maksimal
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delay(1000); // Tunggu satu detik
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servo.write(0); // Kembalikan servo ke posisi awal (contoh)
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delay(1000); // Tunggu satu detik
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}
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servo.write(90); // Kembalikan servo ke posisi tengah (contoh)
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Serial.println("Makan selesai");
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servoFinished = true; // Set flag untuk menampilkan notifikasi "selesai"
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servoFinishTime = millis(); // Catat waktu selesai servo
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}
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// Fungsi untuk mengonfigurasi Firebase
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void setupFirebase() {
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config.api_key = API_KEY;
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config.database_url = DATABASE_URL;
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if (Firebase.signUp(&config, &auth, "", "")) {
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Serial.println("Signup berhasil");
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signupOK = true;
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} else {
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Serial.printf("Signup gagal, %s\n", config.signer.signupError.message.c_str());
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}
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config.token_status_callback = tokenStatusCallback; // Mengatur callback status token
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Firebase.begin(&config, &auth);
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Firebase.reconnectWiFi(true);
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}
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void getDataFromFirebase(const DateTime& dt) {
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Serial.println("Masuk ke fungsi getDataFromFirebase");
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if (Firebase.ready() && signupOK) {
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Serial.println("Firebase siap dan signup berhasil");
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if (Firebase.RTDB.getJSON(&fbdo, "/jam_makan")) {
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Serial.println("Data diambil dari Firebase");
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// Deserialisasi JSON
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DeserializationError error = deserializeJson(doc, fbdo.to<String>());
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if (error) {
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Serial.print("deserializeJson() gagal: ");
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Serial.println(error.c_str());
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} else {
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Serial.println("deserializeJson() berhasil");
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const char* malam = doc["malam"];
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const char* pagi = doc["pagi"];
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const char* siang = doc["siang"];
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pagiPutaran = doc["pagiPutaran"];
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siangPutaran = doc["siangPutaran"];
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malamPutaran = doc["malamPutaran"];
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Serial.print("Malam: ");
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Serial.println(malam);
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Serial.print("Pagi: ");
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Serial.println(pagi);
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Serial.print("Siang: ");
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Serial.println(siang);
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Serial.print("Putaran Pagi: ");
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Serial.println(pagiPutaran);
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Serial.print("Putaran Siang: ");
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Serial.println(siangPutaran);
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Serial.print("Putaran Malam: ");
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Serial.println(malamPutaran);
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int jam = dt.hour();
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int menit = dt.minute();
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String malamStr = String(malam);
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String pagiStr = String(pagi);
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String siangStr = String(siang);
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int malam_hour = malamStr.substring(0, malamStr.indexOf(":")).toInt();
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int malam_minute = malamStr.substring(malamStr.indexOf(":") + 1).toInt();
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int pagi_hour = pagiStr.substring(0, pagiStr.indexOf(":")).toInt();
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int pagi_minute = pagiStr.substring(pagiStr.indexOf(":") + 1).toInt();
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int siang_hour = siangStr.substring(0, siangStr.indexOf(":")).toInt();
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int siang_minute = siangStr.substring(siangStr.indexOf(":") + 1).toInt();
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// Menghitung waktu pakan terdekat
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waktuPakanTerdekat = hitungWaktuPakanTerdekat(jam, menit, pagi_hour, pagi_minute, siang_hour, siang_minute, malam_hour, malam_minute);
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// Memastikan servo hanya berputar sekali pada waktu yang ditentukan
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if (jam == malam_hour && menit == malam_minute && !malamPakanDiberikan) {
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activateServo(malamPutaran);
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malamPakanDiberikan = true;
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} else if (jam != malam_hour || menit != malam_minute) {
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malamPakanDiberikan = false;
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}
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if (jam == pagi_hour && menit == pagi_minute && !pagiPakanDiberikan) {
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activateServo(pagiPutaran);
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pagiPakanDiberikan = true;
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} else if (jam != pagi_hour || menit != pagi_minute) {
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pagiPakanDiberikan = false;
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}
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if (jam == siang_hour && menit == siang_minute && !siangPakanDiberikan) {
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activateServo(siangPutaran);
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siangPakanDiberikan = true;
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} else if (jam != siang_hour || menit != siang_minute) {
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siangPakanDiberikan = false;
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}
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Serial.println("Waktu pakan terdekat: " + waktuPakanTerdekat);
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Serial.print("Jam RTC: ");
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Serial.print(jam);
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Serial.print(":");
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Serial.println(menit);
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}
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} else {
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Serial.println("Gagal mengambil data dari Firebase: " + fbdo.errorReason());
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}
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} else {
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Serial.println("Firebase tidak siap atau signup gagal");
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}
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}
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String hitungWaktuPakanTerdekat(int jam, int menit, int pagi_hour, int pagi_minute, int siang_hour, int siang_minute, int malam_hour, int malam_minute) {
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int currentMinutes = jam * 60 + menit;
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int pagiMinutes = pagi_hour * 60 + pagi_minute;
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int siangMinutes = siang_hour * 60 + siang_minute;
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int malamMinutes = malam_hour * 60 + malam_minute;
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int minDiff = 1440; // Jumlah menit dalam satu hari
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String nearestTime;
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if (pagiMinutes > currentMinutes && pagiMinutes - currentMinutes < minDiff) {
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minDiff = pagiMinutes - currentMinutes;
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nearestTime = String(pagi_hour) + ":" + (pagi_minute < 10 ? "0" : "") + String(pagi_minute);
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}
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if (siangMinutes > currentMinutes && siangMinutes - currentMinutes < minDiff) {
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minDiff = siangMinutes - currentMinutes;
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nearestTime = String(siang_hour) + ":" + (siang_minute < 10 ? "0" : "") + String(siang_minute);
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}
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if (malamMinutes > currentMinutes && malamMinutes - currentMinutes < minDiff) {
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minDiff = malamMinutes - currentMinutes;
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nearestTime = String(malam_hour) + ":" + (malam_minute < 10 ? "0" : "") + String(malam_minute);
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}
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// Jika tidak ada waktu pakan tersisa untuk hari ini, set ke jadwal pakan pertama besok
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if (nearestTime == "") {
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nearestTime = String(pagi_hour) + ":" + (pagi_minute < 10 ? "0" : "") + String(pagi_minute);
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}
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return nearestTime;
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}
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void tampilkanWaktuDanJadwal(const DateTime& dt) {
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char currentTime[16];
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snprintf(currentTime, sizeof(currentTime), "%02d:%02d:%02d", dt.hour(), dt.minute(), dt.second());
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lcd.clear();
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lcd.setCursor(0, 0);
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lcd.print("Waktu: ");
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lcd.print(currentTime);
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lcd.setCursor(0, 1);
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if (servoFinished) {
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if (millis() - servoFinishTime < 5000) {
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lcd.print("Pakan selesai");
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} else {
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servoFinished = false;
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waktuPakanTerdekat = hitungWaktuPakanTerdekat(dt.hour(), dt.minute(),
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doc["pagi"].as<int>(), doc["pagi"].as<int>(),
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doc["siang"].as<int>(), doc["siang"].as<int>(),
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doc["malam"].as<int>(), doc["malam"].as<int>()); // Perbarui jadwal berikutnya
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}
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} else {
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// Tambahkan 0 di depan jam jika jam kurang dari 10
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if (waktuPakanTerdekat[1] == ':') {
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lcd.print("Pakan: 0");
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lcd.print(waktuPakanTerdekat);
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} else {
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lcd.print("Pakan: ");
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lcd.print(waktuPakanTerdekat);
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}
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}
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}
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