TKK_E32222444/esp32_server.ino

#include <WiFi.h>
#include <Firebase_ESP_Client.h>
#include <SPI.h>
#include <LoRa.h>

#define WIFI_SSID "WIFI_SSID"
#define WIFI_PASSWORD "WIFI_PASSWORD"
#define API_KEY "API_KEY"
#define DATABASE_URL "DATABASE_URL"
#define USER_EMAIL "USER_EMAIL"
#define USER_PASSWORD "USER_PASSWORD"

#define LORA_SS 5
#define LORA_RST 14
#define LORA_DIO0 13
#define BUZZER_PIN 27

FirebaseData fbdo;
FirebaseAuth auth;
FirebaseConfig config;

String lastStatusKebakaran = "";

void setupLoRa() {
  delay(2000);
  LoRa.setPins(LORA_SS, LORA_RST, LORA_DIO0);
  pinMode(LORA_DIO0, INPUT);
  if (!LoRa.begin(433E6)) {
    Serial.println("Gagal memulai LoRa");
    while (1)
      ;
  }
  Serial.println("LoRa Siap");
}

void beepPendekDuaKali() {
  for (int i = 0; i < 2; i++) {
    digitalWrite(BUZZER_PIN, HIGH);
    delay(1000);
    digitalWrite(BUZZER_PIN, LOW);
    delay(1000);
  }
}

void beepPanjang() {
  digitalWrite(BUZZER_PIN, HIGH);
  delay(5000);
  digitalWrite(BUZZER_PIN, LOW);
  delay(1000);
}

void periksaStatusKebakaran(String status) {
  if (status != lastStatusKebakaran) {
    if (status == "iya") {
      beepPanjang();
    }

    lastStatusKebakaran = status;
  }
}

void setup() {
  delay(3000);
  Serial.begin(115200);
  Serial.println("Memulai setup...");

  pinMode(BUZZER_PIN, OUTPUT);
  digitalWrite(BUZZER_PIN, LOW);

  Serial.println("Menghubungkan Wifi");
  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
  while (WiFi.status() != WL_CONNECTED) {
    Serial.print(".");
    delay(500);
  }
  Serial.println("WiFi tersambung");

  config.api_key = API_KEY;
  config.database_url = DATABASE_URL;
  auth.user.email = USER_EMAIL;
  auth.user.password = USER_PASSWORD;

  Firebase.begin(&config, &auth);
  Firebase.reconnectWiFi(true);
  while (auth.token.uid == "") {
    delay(1000);
  }

  setupLoRa();
}

void loop() {
  int packetSize = LoRa.parsePacket();
  delay(100);
  if (packetSize) {
    String data = "";
    while (LoRa.available()) {
      data += (char)LoRa.read();
    }

    Serial.println("Data LoRa: " + data);

    if (data.startsWith("api:") && data.indexOf(",asap:") == -1) {
      String apiStatus = data.substring(4);
      Firebase.RTDB.setString(&fbdo, "/sensor/api", apiStatus);
    }

    else if (data.startsWith("kebakaran:")) {
      String status = data.substring(10);
      Firebase.RTDB.setString(&fbdo, "/notif/kebakaran", status);
      periksaStatusKebakaran(status);
      Serial.println("Status kebakaran disimpan:" + status);
    }

    else if (data.startsWith("asap:")) {
      Firebase.RTDB.setString(&fbdo, "/sensor/asap", data.substring(5));
    }

    else if (data.startsWith("suhu:")) {
      Firebase.RTDB.setString(&fbdo, "/sensor/suhu", data.substring(5));
    }

    else if (data.startsWith("tanah:")) {
      String tanahStr = data.substring(6);
      tanahStr.replace("%", "");
      Firebase.RTDB.setString(&fbdo, "/sensor/tanah", tanahStr);
    }

    else if (data.startsWith("relay:")) {
      String relayStatus = data.substring(6);
      relayStatus.toLowerCase();
      Firebase.RTDB.setString(&fbdo, "/pompa/status", relayStatus);
    }

    else if (data.startsWith("api:") && data.indexOf(",asap:") != -1) {
      int idxApi = data.indexOf("api:");
      int idxAsap = data.indexOf(",asap:");
      int idxSuhu = data.indexOf(",suhu:");
      int idxTanah = data.indexOf(",tanah:");
      int idxRelay = data.indexOf(",relay:");

      if (idxApi >= 0 && idxAsap >= 0 && idxSuhu >= 0 && idxTanah >= 0 && idxRelay >= 0) {
        String api = data.substring(idxApi + 4, idxAsap);
        String asap = data.substring(idxAsap + 6, idxSuhu);
        String suhu = data.substring(idxSuhu + 6, idxTanah);
        String tanah = data.substring(idxTanah + 7, idxRelay);
        String relay = data.substring(idxRelay + 7);

        tanah.replace("%", "");
        relay.toLowerCase();

        Firebase.RTDB.setString(&fbdo, "/sensor/api", api);
        Firebase.RTDB.setString(&fbdo, "/sensor/asap", asap);
        Firebase.RTDB.setString(&fbdo, "/sensor/suhu", suhu);
        Firebase.RTDB.setString(&fbdo, "/sensor/tanah", tanah);
        Firebase.RTDB.setString(&fbdo, "/pompa/status", relay);
      }
    }
  }
}