260 lines
7.3 KiB
C++
260 lines
7.3 KiB
C++
#include <WiFi.h>
|
|
#include <WiFiManager.h>
|
|
#include <Firebase_ESP_Client.h>
|
|
#include <DHT.h>
|
|
#include <Wire.h>
|
|
#include <LiquidCrystal_I2C.h>
|
|
#include <HTTPClient.h>
|
|
#include <WiFiClientSecure.h>
|
|
#include <time.h>
|
|
|
|
// === KREDENSIAL FIREBASE ===
|
|
#define API_KEY "AIzaSyDiYpuUPQUvK-1fOztrblPKKn3cMTDrlXU"
|
|
#define DATABASE_URL "https://ecomoni-dc5fd-default-rtdb.firebaseio.com/"
|
|
#define LEGACY_TOKEN "Sd9aMsdVYzEV7QkvaJh79j4kd3vaCClvBAC78yjn"
|
|
|
|
// === PIN SENSOR DAN KOMPONEN ===
|
|
#define DHTPIN 4
|
|
#define DHTTYPE DHT22
|
|
#define RAIN_SENSOR_PIN 5
|
|
#define LDR_PIN 34
|
|
#define LED_STATUS 26
|
|
#define BUTTON_PIN 27
|
|
|
|
// === OBJEK & VARIABEL GLOBAL ===
|
|
FirebaseData fbdo;
|
|
FirebaseAuth auth;
|
|
FirebaseConfig config;
|
|
DHT dht(DHTPIN, DHTTYPE);
|
|
LiquidCrystal_I2C lcd(0x27, 16, 2);
|
|
|
|
unsigned long lastUpdate = 0;
|
|
unsigned long interval = 5000;
|
|
unsigned long lastHistorySend = 0;
|
|
unsigned long intervalHistory = 300000;
|
|
int displayPage = 0;
|
|
bool isOfflineMode = false;
|
|
|
|
void setupNTP() {
|
|
configTime(7 * 3600, 0, "pool.ntp.org", "time.nist.gov");
|
|
struct tm timeinfo;
|
|
Serial.print("Sinkronisasi waktu NTP...");
|
|
while (!getLocalTime(&timeinfo)) {
|
|
Serial.print(".");
|
|
delay(500);
|
|
}
|
|
Serial.println(" [BERHASIL]");
|
|
Serial.print("Waktu sekarang: ");
|
|
Serial.println(&timeinfo, "%Y-%m-%d %H:%M:%S");
|
|
}
|
|
|
|
void updateIntervalHistoryFromFirebase() {
|
|
if (Firebase.RTDB.getInt(&fbdo, "/threshold/interval_history")) {
|
|
if (fbdo.dataType() == "int") {
|
|
int interval_minutes = fbdo.intData();
|
|
intervalHistory = interval_minutes * 60000UL;
|
|
Serial.print("Interval diperbarui: ");
|
|
Serial.println(intervalHistory);
|
|
}
|
|
} else {
|
|
Serial.print("Gagal mengambil interval_history: ");
|
|
Serial.println(fbdo.errorReason());
|
|
}
|
|
}
|
|
|
|
void setup() {
|
|
Serial.begin(115200);
|
|
dht.begin();
|
|
Wire.begin(22, 21);
|
|
lcd.init();
|
|
lcd.backlight();
|
|
|
|
pinMode(RAIN_SENSOR_PIN, INPUT);
|
|
pinMode(LED_STATUS, OUTPUT);
|
|
pinMode(BUTTON_PIN, INPUT_PULLUP);
|
|
digitalWrite(LED_STATUS, LOW);
|
|
|
|
lcd.setCursor(0, 0);
|
|
lcd.print("Menghubungkan...");
|
|
|
|
WiFiManager wm;
|
|
wm.setTimeout(60); // 1 menit
|
|
|
|
if (!wm.autoConnect("EcoMonitor-Setup")) {
|
|
Serial.println("Gagal konek WiFi. Mode offline.");
|
|
lcd.clear();
|
|
lcd.setCursor(0, 0);
|
|
lcd.print("Mode Offline");
|
|
isOfflineMode = true;
|
|
delay(2000);
|
|
} else {
|
|
Serial.println("WiFi Terhubung!");
|
|
lcd.clear();
|
|
lcd.setCursor(0, 0);
|
|
lcd.print("WiFi Terhubung");
|
|
digitalWrite(LED_STATUS, HIGH);
|
|
delay(2000);
|
|
|
|
setupNTP();
|
|
|
|
config.api_key = API_KEY;
|
|
config.database_url = DATABASE_URL;
|
|
config.signer.tokens.legacy_token = LEGACY_TOKEN;
|
|
Firebase.begin(&config, &auth);
|
|
Firebase.reconnectWiFi(true);
|
|
updateIntervalHistoryFromFirebase();
|
|
|
|
lcd.clear();
|
|
}
|
|
}
|
|
|
|
void loop() {
|
|
// === Tombol untuk masuk mode konfigurasi WiFi (bisa online/offline) ===
|
|
if (digitalRead(BUTTON_PIN) == LOW) {
|
|
Serial.println("Tombol ditekan. Masuk konfigurasi WiFi...");
|
|
lcd.clear();
|
|
lcd.setCursor(0, 0);
|
|
lcd.print("Config WiFi...");
|
|
delay(1000);
|
|
|
|
WiFiManager wm;
|
|
wm.resetSettings(); // Reset kredensial WiFi
|
|
wm.setTimeout(120); // Timeout 2 menit
|
|
wm.startConfigPortal("EcoMonitor-Setup");
|
|
ESP.restart(); // Restart setelah config
|
|
}
|
|
|
|
// === Mode Offline ===
|
|
if (isOfflineMode) {
|
|
float suhu = dht.readTemperature();
|
|
float kelembaban = dht.readHumidity();
|
|
int hujan_status = digitalRead(RAIN_SENSOR_PIN);
|
|
int ldr_raw = analogRead(LDR_PIN);
|
|
int lux = map(ldr_raw, 0, 4095, 1000, 1);
|
|
lux = constrain(lux, 1, 1000);
|
|
String kondisi_hujan = (hujan_status == 1) ? "Cerah" : "Hujan";
|
|
|
|
lcd.clear();
|
|
switch (displayPage) {
|
|
case 0:
|
|
lcd.setCursor(0, 0);
|
|
lcd.print(" Ecomonitor");
|
|
break;
|
|
case 1:
|
|
lcd.setCursor(0, 0);
|
|
lcd.print("Suhu:");
|
|
lcd.print(suhu, 0);
|
|
lcd.print((char)223);
|
|
lcd.print("C");
|
|
lcd.setCursor(0, 1);
|
|
lcd.print("Kelembaban:");
|
|
lcd.print(kelembaban, 0);
|
|
lcd.print("%");
|
|
break;
|
|
case 2:
|
|
lcd.setCursor(0, 0);
|
|
lcd.print("Cahaya:");
|
|
lcd.print(lux);
|
|
lcd.print(" Lux");
|
|
lcd.setCursor(0, 1);
|
|
lcd.print("Cuaca:");
|
|
lcd.print(kondisi_hujan);
|
|
break;
|
|
}
|
|
displayPage = (displayPage + 1) % 3;
|
|
delay(3000);
|
|
return;
|
|
}
|
|
|
|
// === Mode Online ===
|
|
if (millis() - lastUpdate >= interval && Firebase.ready()) {
|
|
lastUpdate = millis();
|
|
|
|
float suhu = dht.readTemperature();
|
|
float kelembabanMentah = dht.readHumidity();
|
|
float kelembaban = kelembabanMentah * 0.51;
|
|
kelembaban = constrain(kelembaban, 0, 100);
|
|
int hujan_status = digitalRead(RAIN_SENSOR_PIN);
|
|
int ldr_raw = analogRead(LDR_PIN);
|
|
int lux = map(ldr_raw, 0, 4095, 1000, 1);
|
|
lux = constrain(lux, 1, 1000);
|
|
String kondisi_hujan = (hujan_status == 1) ? "Cerah" : "Hujan";
|
|
|
|
Serial.printf("Suhu: %.2f °C\n", suhu);
|
|
Serial.printf("Kelembaban: %.2f %%\n", kelembaban);
|
|
Serial.printf("Cuaca: %s\n", kondisi_hujan.c_str());
|
|
Serial.printf("Cahaya: %d lux\n", lux);
|
|
|
|
lcd.clear();
|
|
switch (displayPage) {
|
|
case 0:
|
|
lcd.setCursor(0, 0);
|
|
lcd.print(" Ecomonitor");
|
|
break;
|
|
case 1:
|
|
lcd.setCursor(0, 0);
|
|
lcd.print("Suhu:");
|
|
lcd.print(suhu, 0);
|
|
lcd.print((char)223);
|
|
lcd.print("C");
|
|
lcd.setCursor(0, 1);
|
|
lcd.print("Kelembaban:");
|
|
lcd.print(kelembaban, 0);
|
|
lcd.print("%");
|
|
break;
|
|
case 2:
|
|
lcd.setCursor(0, 0);
|
|
lcd.print("Cahaya:");
|
|
lcd.print(lux);
|
|
lcd.print(" Lux");
|
|
lcd.setCursor(0, 1);
|
|
lcd.print("Cuaca:");
|
|
lcd.print(kondisi_hujan);
|
|
break;
|
|
}
|
|
displayPage = (displayPage + 1) % 3;
|
|
delay(3000);
|
|
|
|
Firebase.RTDB.setFloat(&fbdo, "/sensor/suhu", suhu);
|
|
Firebase.RTDB.setFloat(&fbdo, "/sensor/kelembaban", kelembaban);
|
|
Firebase.RTDB.setString(&fbdo, "/sensor/sensor_hujan", kondisi_hujan);
|
|
Firebase.RTDB.setInt(&fbdo, "/sensor/intensitas_cahaya", lux);
|
|
|
|
if (millis() - lastHistorySend >= intervalHistory) {
|
|
lastHistorySend = millis();
|
|
updateIntervalHistoryFromFirebase();
|
|
|
|
time_t now;
|
|
struct tm timeinfo;
|
|
if (!getLocalTime(&timeinfo)) {
|
|
Serial.println("Gagal mendapatkan waktu!");
|
|
return;
|
|
}
|
|
|
|
char isoTime[30];
|
|
strftime(isoTime, sizeof(isoTime), "%Y-%m-%dT%H:%M:%S+07:00", &timeinfo);
|
|
|
|
String jsonPayload = "{";
|
|
jsonPayload += "\"intensitas_cahaya\":" + String(lux) + ",";
|
|
jsonPayload += "\"kelembaban\":" + String(kelembaban) + ",";
|
|
jsonPayload += "\"sensor_hujan\":" + String((hujan_status == 0) ? "true" : "false") + ",";
|
|
jsonPayload += "\"suhu\":" + String(suhu) + ",";
|
|
jsonPayload += "\"timestamp\":\"" + String(isoTime) + "\"}";
|
|
|
|
WiFiClientSecure client;
|
|
client.setInsecure();
|
|
|
|
HTTPClient http;
|
|
http.begin(client, "https://ecomonitor-api.vercel.app/api/kirimdata");
|
|
http.addHeader("Content-Type", "application/json");
|
|
int httpResponseCode = http.POST(jsonPayload);
|
|
|
|
if (httpResponseCode > 0) {
|
|
Serial.printf("Data history terkirim (%d): %s\n", httpResponseCode, http.getString().c_str());
|
|
} else {
|
|
Serial.printf("Gagal kirim data history: %s\n", http.errorToString(httpResponseCode).c_str());
|
|
}
|
|
http.end();
|
|
}
|
|
}
|
|
} |