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commit
56479e1499
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#include <ArduinoJson.h>
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#include <ESP32Servo.h>
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#include <LiquidCrystal_I2C.h>
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#include <Wire.h>
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#include <FirebaseESP32.h>
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#include <Wifi.h>
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#include <WiFiManager.h>
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#include <HTTPClient.h>
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#include <WiFiClientSecure.h>
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#include <time.h>
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const char* API_KEY = "AIzaSyDPRK9A-5inKhas80-d3FJ-c7p9u2Ud51Q";
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const char* PROJECT_ID = "database-alat-sortasi-tomat";
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#define FIREBASE_HOST "https://database-alat-sortasi-tomat-default-rtdb.firebaseio.com/"
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#define FIREBASE_AUTH "55Yl7pfHLt4cMC1VR2qWGCfl91gFYQwWZlMGhotv"
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FirebaseData firebaseData;
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FirebaseConfig firebaseConfig;
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FirebaseAuth firebaseAuth;
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String userEmail = "tomat@gmail.com";
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String userPassword = "tomat333";
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String idToken = "";
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LiquidCrystal_I2C lcd(0x27, 16, 2);
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Servo servoMatang;
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Servo servoMentah;
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#define SERVO_MATANG_PIN 18
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#define SERVO_MENTAH_PIN 19
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#define S0 14
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#define S1 25
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#define S2 26
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#define S3 27
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#define sensorOut 34
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#define RELAY_PIN 23
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bool signInWithEmailAndPassword() {
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HTTPClient http;
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WiFiClientSecure *client = new WiFiClientSecure;
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client->setInsecure();
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String url = "https://identitytoolkit.googleapis.com/v1/accounts:signInWithPassword?key=" + String(API_KEY);
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String body = "{\"email\":\"" + userEmail + "\",\"password\":\"" + userPassword + "\",\"returnSecureToken\":true}";
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http.begin(*client, url);
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http.addHeader("Content-Type", "application/json");
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int httpCode = http.POST(body);
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if (httpCode == 200) {
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String payload = http.getString();
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// Gunakan ArduinoJson untuk parsing aman
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DynamicJsonDocument doc(2048);
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DeserializationError error = deserializeJson(doc, payload);
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if (error) {
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Serial.print("Gagal parse JSON login: ");
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Serial.println(error.f_str());
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return false;
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}
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idToken = doc["idToken"].as<String>();
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Serial.println("Firebase Sign-in success");
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Serial.println("Token: " + idToken);
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return true;
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} else {
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Serial.println("Sign-in failed");
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Serial.println(http.getString());
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return false;
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}
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}
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struct TomatoColor {
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String kategori;
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int red;
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int green;
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int blue;
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};
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int bacaWarna(bool s2, bool s3) {
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digitalWrite(S2, s2);
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digitalWrite(S3, s3);
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delay(100);
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return pulseIn(sensorOut, LOW);
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}
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void nilaiRGB(int &red, int &green, int &blue) {
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red = bacaWarna(LOW, LOW);
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green = bacaWarna(HIGH, HIGH);
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blue = bacaWarna(LOW, HIGH);
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}
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TomatoColor tomatKalibrasi[] = {
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{"Matang", 146, 274, 250},
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{"Setengah Matang", 119, 198, 209},
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{"Mentah", 140, 139, 173}
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};
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const int jumlahKategori = sizeof(tomatKalibrasi) / sizeof(tomatKalibrasi[0]);
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int jumlahMatang = 0;
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int jumlahMentah = 0;
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int jumlahSetengahMatang = 0;
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void setup() {
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Serial.begin(115200);
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WiFiManager wm;
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if (!wm.autoConnect("ESP32_Config_AP")) {
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Serial.println("Gagal konek ke WiFi dan tidak ada konfigurasi baru");
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delay(3000);
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ESP.restart();
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}
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Serial.println("Terhubung ke WiFi");
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Serial.print("IP address: ");
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Serial.println(WiFi.localIP());
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if (!signInWithEmailAndPassword()) {
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Serial.println("Login gagal saat setup. Firestore tidak akan aktif.");
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}
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firebaseConfig.database_url = FIREBASE_HOST;
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firebaseConfig.signer.tokens.legacy_token = FIREBASE_AUTH;
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Firebase.begin(&firebaseConfig, &firebaseAuth);
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Firebase.reconnectWiFi(true);
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servoMatang.attach(SERVO_MATANG_PIN);
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servoMentah.attach(SERVO_MENTAH_PIN);
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pinMode(RELAY_PIN,OUTPUT);
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digitalWrite(RELAY_PIN, HIGH);
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pinMode(S0, OUTPUT);
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pinMode(S1, OUTPUT);
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pinMode(S2, OUTPUT);
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pinMode(S3, OUTPUT);
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pinMode(sensorOut, INPUT);
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digitalWrite(S0, HIGH);
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digitalWrite(S1, LOW);
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Serial.println("=== Deteksi Kematangan Tomat ===");
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lcd.init();
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lcd.backlight();
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showLoading();
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lcd.setCursor(0, 0);
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lcd.print("Mulai Deteksi");
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delay(1000);
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configTime(7 * 3600, 0, "pool.ntp.org", "time.nist.gov");
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Serial.print("Menunggu sinkronisasi waktu NTP");
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struct tm timeinfo;
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int retry = 0;
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const int maxRetry = 20;
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while (!getLocalTime(&timeinfo) && retry < maxRetry) {
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Serial.print(".");
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delay(500);
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retry++;
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}
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if (retry == maxRetry) {
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Serial.println("\nGagal mendapatkan waktu dari NTP");
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} else {
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Serial.println("\nWaktu berhasil disinkronkan");
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}
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}
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String getWaktuSekarang() {
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struct tm timeinfo;
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if (!getLocalTime(&timeinfo)) {
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return "unknown_time";
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}
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char buffer[32];
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strftime(buffer, sizeof(buffer), "%Y-%m-%d_%H:%M:%S", &timeinfo);
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return String(buffer);
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}
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String deteksiTomat(int red, int green, int blue) {
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float jarakTerdekat = 100000.0;
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float threshold = 50.0;
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String hasil = "Tidak Terdeteksi";
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for (int i = 0; i < jumlahKategori; i++) {
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float d = sqrt(
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pow(red - tomatKalibrasi[i].red, 2) +
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pow(green - tomatKalibrasi[i].green, 2) +
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pow(blue - tomatKalibrasi[i].blue, 2)
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);
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if (d < jarakTerdekat && d < threshold) {
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jarakTerdekat = d;
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hasil = tomatKalibrasi[i].kategori;
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}
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}
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return hasil;
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}
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void showLoading() {
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lcd.clear();
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lcd.setCursor(0, 0);
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lcd.print("Inisialisasi");
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lcd.setCursor(0, 1);
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lcd.print("[ ]");
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for (int i = 0; i <= 15; i++) {
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lcd.setCursor(1 + i, 1);
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lcd.print("=");
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delay(100);
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}
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lcd.setCursor(0, 0);
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lcd.print("Siap Sortasi ");
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lcd.setCursor(0, 1);
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lcd.print("");
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delay(1000);
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}
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void aktifkanServo(String statusTomat) {
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if (statusTomat == "Matang") {
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servoMatang.write(80);
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delay(2000);
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servoMatang.write(0);
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} else if (statusTomat == "Mentah") {
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servoMentah.write(80);
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delay(2000);
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servoMentah.write(0);
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}else if (statusTomat == "Setengah Matang") {
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servoMentah.write(0);
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servoMatang.write(0);
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delay(2000);
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servoMentah.write(0);
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servoMatang.write(0);
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} else {
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Serial.println("Warna tidak dikenali. Servo tidak bergerak.");
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}
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}
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void onoffRelay(String statusTomat) {
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if (statusTomat == "Matang" || statusTomat == "Setengah Matang" || statusTomat == "Mentah") {
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digitalWrite(RELAY_PIN, HIGH); // Nyalakan relay
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} else if (statusTomat == "Tidak Terdeteksi") {
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digitalWrite(RELAY_PIN, LOW); // Matikan relay
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}
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}
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void kirimDataKeFirebase(String status) {
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String waktu = getWaktuSekarang();
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int red, green, blue;
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nilaiRGB(red, green, blue);
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if (Firebase.setString(firebaseData, "tomat/status", status) &&
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Firebase.setString(firebaseData, "tomat/waktu", waktu) &&
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Firebase.setInt(firebaseData, "tomat/red", red) &&
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Firebase.setInt(firebaseData, "tomat/green", green) &&
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Firebase.setInt(firebaseData, "tomat/blue", blue) &&
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Firebase.setInt(firebaseData, "tomat/jumlahMatang", jumlahMatang) &&
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Firebase.setInt(firebaseData, "tomat/jumlahMentah", jumlahMentah) &&
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Firebase.setInt(firebaseData, "tomat/jumlahSetengahMatang", jumlahSetengahMatang)) {
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Serial.println("Data berhasil dikirim ke Firebase");
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} else {
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Serial.print("Gagal mengirim data: ");
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Serial.println(firebaseData.errorReason());
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}
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kirimKeFirestore(status, waktu, red, green, blue);
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}
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void kirimKeFirestore(String status, String waktu, int red, int green, int blue) {
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static bool loginPernahGagal = false; // hanya retry login satu kali jika gagal
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if (idToken == "") {
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Serial.println("Token kosong, tidak kirim ke Firestore.");
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return;
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}
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nilaiRGB(red, green, blue);
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String waktuDoc = getWaktuSekarang();
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String docName = "data_" + waktuDoc;
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String url = "https://firestore.googleapis.com/v1/projects/" + String(PROJECT_ID) +
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"/databases/(default)/documents/tomat/" + docName + "?key=" + String(API_KEY);
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HTTPClient http;
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WiFiClientSecure client;
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client.setInsecure();
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http.begin(client, url);
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http.addHeader("Content-Type", "application/json");
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http.addHeader("Authorization", "Bearer " + idToken);
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if (status == "Matang" || status == "Mentah" || status == "Setengah Matang") {
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String payload = "{"
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"\"fields\": {"
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"\"status\": {\"stringValue\": \"" + status + "\"},"
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"\"waktu\": {\"stringValue\": \"" + waktu + "\"},"
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"\"nilai_red\": {\"integerValue\": \"" + red + "\" },"
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"\"nilai_green\": {\"integerValue\": \"" + green + "\" },"
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"\"nilai_blue\": {\"integerValue\": \"" + blue + "\" },"
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"\"jumlahMatang\": {\"integerValue\": \"" + String(jumlahMatang) + "\"},"
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"\"jumlahMentah\": {\"integerValue\": \"" + String(jumlahMentah) + "\"},"
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"\"jumlahSetengahMatang\": {\"integerValue\": \"" + String(jumlahSetengahMatang) + "\"}"
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"}"
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"}";
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int httpCode = http.PATCH(payload);
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Serial.printf("Firestore PATCH code: %d\n", httpCode);
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if ((httpCode == 401 || httpCode == 403) && !loginPernahGagal) {
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Serial.println("Token expired / invalid. Coba login ulang...");
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loginPernahGagal = true;
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if (signInWithEmailAndPassword()) {
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// Coba ulang request 1x setelah login ulang
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http.end(); // harus end dulu
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http.begin(client, url);
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http.addHeader("Content-Type", "application/json");
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http.addHeader("Authorization", "Bearer " + idToken);
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httpCode = http.POST(payload);
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Serial.printf("Retry Firestore POST code: %d\n", httpCode);
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} else {
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Serial.println("Login ulang gagal.");
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}
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}
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if (httpCode > 0) {
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Serial.println("Firestore response:");
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Serial.println(http.getString());
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} else {
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Serial.print("Gagal kirim ke Firestore: ");
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Serial.println(http.errorToString(httpCode));
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}
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http.end();
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} else {
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Serial.println("Status = Tidak Terdeteksi → Data tidak dikirim ke Firebase.");
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}
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}
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void loop() {
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int red, green, blue;
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nilaiRGB(red, green, blue);
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String statusTomat = deteksiTomat(red, green, blue);
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String waktuDeteksi = getWaktuSekarang();
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if (statusTomat == "Matang") {
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jumlahMatang++;
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} else if (statusTomat == "Mentah") {
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jumlahMentah++;
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} else if (statusTomat == "Setengah Matang") {
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jumlahSetengahMatang++;
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}
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Serial.print("Red: ");
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Serial.print(red);
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Serial.print("\tGreen: ");
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Serial.print(green);
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Serial.print("\tBlue: ");
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Serial.print(blue);
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Serial.print("\t-> Status Tomat: ");
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Serial.println(statusTomat);
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Serial.print("\Jumlah Matang: ");
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Serial.println(jumlahMatang);
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Serial.print("\Jumlah Mentah: ");
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Serial.println(jumlahMentah);
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Serial.print("\Jumlah Setengah Matang: ");
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Serial.println(jumlahSetengahMatang);
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lcd.clear();
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lcd.setCursor(0, 0);
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lcd.print("Status Tomat:");
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lcd.setCursor(0, 1);
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lcd.print(statusTomat);
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onoffRelay(statusTomat);
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aktifkanServo(statusTomat);
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kirimDataKeFirebase(statusTomat);
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delay(1000);
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}
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