Delete kode program ESP32
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revisi.ino
658
revisi.ino
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#include <Arduino.h>
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#include <WiFi.h>
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#include <Firebase_ESP_Client.h>
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#include <DHT.h>
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#include <time.h>
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#include <RTClib.h>
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#include <Wire.h>
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#include <LiquidCrystal_I2C.h>
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#include <addons/TokenHelper.h>
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#include <addons/RTDBHelper.h>
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// Pin Definitions
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#define SOIL_MOISTURE_PIN 34
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#define LDR_PIN 35
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#define DHT_PIN 4
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#define DHT_TYPE DHT22
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#define RELAY_WATER_PUMP 26
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#define RELAY_FERTILIZER_PUMP 27
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#define RTC_SDA 21
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#define RTC_SCL 22
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// Network & Firebase Configuration
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#define API_KEY "AIzaSyCY_b7OHt64p1z_Ytna1YsFIIJ1jPRc2r4"
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#define DATABASE_URL "tess-2d281-default-rtdb.firebaseio.com"
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#define WIFI_SSID "Redmi"
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#define WIFI_PASSWORD "qwerasdf"
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// System Settings
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#define SENSING_INTERVAL 5000
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#define CHECK_PUMP_INTERVAL 1000
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#define SOIL_THRESHOLD 2.0
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#define LIGHT_THRESHOLD 5.0
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#define TEMP_THRESHOLD 0.5
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#define HUMID_THRESHOLD 1.0
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#define LCD_UPDATE_INTERVAL 1000
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#define WIFI_TIMEOUT 20000 // 20 seconds timeout
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#define FIREBASE_RETRY_DELAY 5000
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#define DHT_READ_INTERVAL 2000
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#define DHT_RETRY_DELAY 500
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// Global Objects
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FirebaseData fbdo;
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FirebaseAuth auth;
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FirebaseConfig config;
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DHT dht(DHT_PIN, DHT_TYPE);
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RTC_DS3231 rtc;
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LiquidCrystal_I2C lcd(0x27, 16, 2);
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// Global Variables
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float soilMoisture, lightIntensity, temperature, humidity;
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float lastSoilMoisture, lastLightIntensity, lastTemperature, lastHumidity;
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int soilRawValue;
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String currentTime;
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bool signupOK = false;
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bool initialReading = true;
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// Pump Control Variables
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unsigned long lastSensorTime = 0;
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unsigned long lastPumpCheckTime = 0;
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unsigned long lastLCDUpdateTime = 0;
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unsigned long lastTimeDisplayUpdate = 0;
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bool waterPumpStatus = false;
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bool fertilizerPumpStatus = false;
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float minSoilMoisture = 60.0;
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float maxSoilMoisture = 80.0;
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// Non-blocking WiFi
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enum WiFiState {
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WIFI_DISCONNECTED,
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WIFI_CONNECTING,
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WIFI_CONNECTED,
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WIFI_FAILED
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};
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WiFiState wifiState = WIFI_DISCONNECTED;
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unsigned long wifiConnectStartTime = 0;
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unsigned long lastWiFiRetryTime = 0;
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// Non-blocking Firebase
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enum FirebaseState {
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FIREBASE_NOT_INITIALIZED,
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FIREBASE_INITIALIZING,
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FIREBASE_READY,
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FIREBASE_FAILED
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};
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FirebaseState firebaseState = FIREBASE_NOT_INITIALIZED;
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unsigned long lastFirebaseRetryTime = 0;
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// Non-blocking fertilizer pump
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unsigned long fertilizerPumpStartTime = 0;
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bool fertilizerPumpRunning = false;
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static bool fertilizerPumpScheduled = false;
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// Non-blocking DHT
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unsigned long lastDHTReadTime = 0;
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unsigned long dhtReadAttemptTime = 0;
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int dhtAttemptCount = 0;
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bool dhtReading = false;
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// Non-blocking RTC
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bool rtcSyncPending = false;
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unsigned long lastRTCSyncAttempt = 0;
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bool rtcSynced = false; // Track if RTC has been synchronized
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// Setup state tracking
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enum SetupState {
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SETUP_START,
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SETUP_PINS,
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SETUP_DHT,
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SETUP_WIFI,
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SETUP_RTC,
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SETUP_LCD,
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SETUP_FIREBASE,
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SETUP_RELAY_TEST,
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SETUP_COMPLETE
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};
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SetupState setupState = SETUP_START;
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unsigned long setupStateStartTime = 0;
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// LCD Display Functions
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void setupLCD() {
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lcd.init();
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lcd.backlight();
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lcd.setCursor(0, 0);
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lcd.print("Smart Planting Pot");
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lcd.setCursor(0, 1);
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lcd.print("By: Ahmad Furqon S");
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}
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void updateLCD() {
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lcd.clear();
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lcd.setCursor(0, 0);
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lcd.print("Smart Planting Pot");
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lcd.setCursor(0, 1);
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lcd.print("By: Ahmad Furqon S");
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}
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// Control Pump Functions
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void controlWaterPump(bool turnOn) {
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if (turnOn) {
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digitalWrite(RELAY_WATER_PUMP, LOW);
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Serial.println("Water Pump: ON (pin=LOW)");
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} else {
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digitalWrite(RELAY_WATER_PUMP, HIGH);
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Serial.println("Water Pump: OFF (pin=HIGH)");
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}
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waterPumpStatus = turnOn;
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}
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void controlFertilizerPump(bool turnOn) {
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if (turnOn) {
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digitalWrite(RELAY_FERTILIZER_PUMP, LOW);
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Serial.println("Fertilizer Pump: ON (pin=LOW)");
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} else {
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digitalWrite(RELAY_FERTILIZER_PUMP, HIGH);
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Serial.println("Fertilizer Pump: OFF (pin=HIGH)");
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}
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fertilizerPumpStatus = turnOn;
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}
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// Non-blocking WiFi Connection
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void handleWiFiConnection() {
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unsigned long currentMillis = millis();
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switch (wifiState) {
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case WIFI_DISCONNECTED:
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if (currentMillis - lastWiFiRetryTime >= 5000) { // Retry every 5 seconds
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Serial.println("Starting WiFi connection...");
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WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
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wifiConnectStartTime = currentMillis;
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wifiState = WIFI_CONNECTING;
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lastWiFiRetryTime = currentMillis;
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}
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break;
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case WIFI_CONNECTING:
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if (WiFi.status() == WL_CONNECTED) {
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wifiState = WIFI_CONNECTED;
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Serial.println("WiFi Connected Successfully");
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Serial.print("IP Address: ");
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Serial.println(WiFi.localIP());
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configTime(7 * 3600, 0, "pool.ntp.org");
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rtcSyncPending = true;
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} else if (currentMillis - wifiConnectStartTime >= WIFI_TIMEOUT) {
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wifiState = WIFI_FAILED;
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Serial.println("WiFi Connection Timeout");
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}
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break;
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case WIFI_CONNECTED:
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if (WiFi.status() != WL_CONNECTED) {
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wifiState = WIFI_DISCONNECTED;
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Serial.println("WiFi Disconnected");
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firebaseState = FIREBASE_NOT_INITIALIZED;
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signupOK = false;
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rtcSynced = false; // Reset RTC sync status when WiFi disconnects
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}
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break;
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case WIFI_FAILED:
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if (currentMillis - lastWiFiRetryTime >= 10000) { // Retry after 10 seconds
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wifiState = WIFI_DISCONNECTED;
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}
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break;
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}
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}
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// Non-blocking Firebase Setup
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void handleFirebaseConnection() {
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unsigned long currentMillis = millis();
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if (wifiState != WIFI_CONNECTED) return;
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switch (firebaseState) {
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case FIREBASE_NOT_INITIALIZED:
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if (currentMillis - lastFirebaseRetryTime >= FIREBASE_RETRY_DELAY) {
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Serial.println("Initializing Firebase...");
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config.api_key = API_KEY;
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config.database_url = DATABASE_URL;
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firebaseState = FIREBASE_INITIALIZING;
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lastFirebaseRetryTime = currentMillis;
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}
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break;
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case FIREBASE_INITIALIZING:
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if (Firebase.signUp(&config, &auth, "", "")) {
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firebaseState = FIREBASE_READY;
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signupOK = true;
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Serial.println("Firebase Authentication Successful");
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Firebase.begin(&config, &auth);
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Firebase.reconnectWiFi(true);
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fbdo.setResponseSize(4096);
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// Initialize pump states
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Firebase.RTDB.setBool(&fbdo, "/pumps/waterPump", false);
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Firebase.RTDB.setBool(&fbdo, "/pumps/fertilizerPump", false);
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} else {
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firebaseState = FIREBASE_FAILED;
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Serial.println("Firebase Authentication Failed");
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}
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break;
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case FIREBASE_FAILED:
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if (currentMillis - lastFirebaseRetryTime >= FIREBASE_RETRY_DELAY) {
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firebaseState = FIREBASE_NOT_INITIALIZED;
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}
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break;
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case FIREBASE_READY:
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if (!Firebase.ready()) {
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firebaseState = FIREBASE_NOT_INITIALIZED;
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signupOK = false;
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}
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break;
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}
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}
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// Non-blocking RTC Sync
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void handleRTCSync() {
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unsigned long currentMillis = millis();
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if (!rtcSyncPending || wifiState != WIFI_CONNECTED || rtcSynced) return;
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if (currentMillis - lastRTCSyncAttempt >= 2000) { // Try every 2 seconds
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struct tm timeinfo;
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if (getLocalTime(&timeinfo)) {
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rtc.adjust(DateTime(timeinfo.tm_year + 1900, timeinfo.tm_mon + 1,
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timeinfo.tm_mday, timeinfo.tm_hour,
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timeinfo.tm_min, timeinfo.tm_sec));
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Serial.println("===== RTC SYNCHRONIZATION =====");
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Serial.println("RTC Successfully Synchronized with NTP Server");
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Serial.println("Time has been updated from internet");
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Serial.println("===============================");
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rtcSyncPending = false;
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rtcSynced = true;
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} else {
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lastRTCSyncAttempt = currentMillis;
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}
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}
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}
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// Non-blocking DHT Reading
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void handleDHTReading() {
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unsigned long currentMillis = millis();
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if (!dhtReading && (currentMillis - lastDHTReadTime >= DHT_READ_INTERVAL)) {
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dhtReading = true;
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dhtAttemptCount = 0;
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dhtReadAttemptTime = currentMillis;
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lastDHTReadTime = currentMillis;
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}
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if (dhtReading && (currentMillis - dhtReadAttemptTime >= DHT_RETRY_DELAY)) {
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float h = dht.readHumidity();
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float t = dht.readTemperature();
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if (!isnan(h) && !isnan(t)) {
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humidity = h;
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temperature = t;
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dhtReading = false;
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} else {
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dhtAttemptCount++;
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if (dhtAttemptCount >= 3) {
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Serial.println("DHT reading failed after 3 attempts");
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dhtReading = false;
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} else {
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dhtReadAttemptTime = currentMillis;
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}
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}
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}
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}
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// Display Current Time from RTC (Real-time per second)
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void displayCurrentTimeRealTime() {
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DateTime now = rtc.now();
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Serial.println("===== CURRENT TIME FROM RTC =====");
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Serial.printf("Date: %02d-%02d-%04d\n", now.day(), now.month(), now.year());
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Serial.printf("Time: %02d:%02d:%02d\n", now.hour(), now.minute(), now.second());
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Serial.println("=================================");
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}
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// Sensor Reading Function
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void readSensors() {
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// Save last values
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lastSoilMoisture = soilMoisture;
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lastLightIntensity = lightIntensity;
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lastTemperature = temperature;
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lastHumidity = humidity;
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// Soil moisture
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soilRawValue = analogRead(SOIL_MOISTURE_PIN);
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soilMoisture = map(soilRawValue, 2700, 2250, 0, 100);
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soilMoisture = constrain(soilMoisture, 0, 100);
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// Light intensity
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int ldrValue = analogRead(LDR_PIN);
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lightIntensity = map(ldrValue, 4095, 0, 0, 100);
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}
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// Time Update Function
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void updateCurrentTime() {
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DateTime now = rtc.now();
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char timeString[25];
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snprintf(timeString, sizeof(timeString),
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"%04d-%02d-%02dT%02d:%02d:%02dZ",
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now.year(), now.month(), now.day(),
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now.hour(), now.minute(), now.second());
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currentTime = String(timeString);
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}
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// Firebase Upload Function
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bool uploadToFirebase() {
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if (firebaseState != FIREBASE_READY) return false;
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updateCurrentTime();
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String path = "/sensors";
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bool success = true;
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success &= Firebase.RTDB.setFloat(&fbdo, path + "/humidity", humidity);
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success &= Firebase.RTDB.setFloat(&fbdo, path + "/light", lightIntensity);
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success &= Firebase.RTDB.setFloat(&fbdo, path + "/soilMoisture", soilMoisture);
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success &= Firebase.RTDB.setFloat(&fbdo, path + "/temperature", temperature);
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success &= Firebase.RTDB.setString(&fbdo, path + "/time", currentTime);
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return success;
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}
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// Pump Settings Reading Function
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void readPumpSettings() {
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if (firebaseState != FIREBASE_READY) return;
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if (Firebase.RTDB.getString(&fbdo, "/pump_settings/waterPumpRange")) {
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String rangeStr = fbdo.stringData();
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int delimiterPos = rangeStr.indexOf('-');
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if (delimiterPos != -1) {
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minSoilMoisture = rangeStr.substring(0, delimiterPos).toFloat();
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maxSoilMoisture = rangeStr.substring(delimiterPos + 1).toFloat();
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}
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}
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}
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// Automatic Watering Function
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void checkAutomaticWatering() {
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if (soilMoisture <= minSoilMoisture) {
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if (!waterPumpStatus) {
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controlWaterPump(true);
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}
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}
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else if (soilMoisture >= maxSoilMoisture) {
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if (waterPumpStatus) {
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controlWaterPump(false);
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}
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}
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}
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// Fertilizer Schedule Check Function
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void checkFertilizerSchedule() {
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if (firebaseState != FIREBASE_READY) return;
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String scheduleDate = "";
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String scheduleTime = "";
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if (Firebase.RTDB.getString(&fbdo, "/pump_settings/fertilizerPumpDate")) {
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scheduleDate = fbdo.stringData();
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scheduleDate.trim();
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} else {
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return;
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}
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if (Firebase.RTDB.getString(&fbdo, "/pump_settings/fertilizerPumpTime")) {
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scheduleTime = fbdo.stringData();
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scheduleTime.trim();
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} else {
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return;
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}
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DateTime now = rtc.now();
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char currentDateStr[11];
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snprintf(currentDateStr, sizeof(currentDateStr),
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"%02d-%02d-%04d",
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now.day(), now.month(), now.year());
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char currentTimeStr[6];
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snprintf(currentTimeStr, sizeof(currentTimeStr),
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"%02d:%02d",
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now.hour(), now.minute());
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if (scheduleDate == currentDateStr &&
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scheduleTime == currentTimeStr &&
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!fertilizerPumpScheduled &&
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!fertilizerPumpRunning) {
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controlFertilizerPump(true);
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fertilizerPumpStartTime = millis();
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fertilizerPumpRunning = true;
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fertilizerPumpScheduled = true;
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Firebase.RTDB.setTimestamp(&fbdo, "/lastFertilizerPumpTime");
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}
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if (now.minute() != atoi(scheduleTime.substring(3, 5).c_str())) {
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fertilizerPumpScheduled = false;
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}
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}
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// Handle Fertilizer Pump Timer
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void handleFertilizerPumpTimer() {
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if (fertilizerPumpRunning && (millis() - fertilizerPumpStartTime >= 6000)) {
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controlFertilizerPump(false);
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fertilizerPumpRunning = false;
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}
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}
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// Pump Status Check Function
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void checkPumpStatus() {
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if (firebaseState != FIREBASE_READY) {
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if (waterPumpStatus || fertilizerPumpStatus) {
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controlWaterPump(false);
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controlFertilizerPump(false);
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}
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return;
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}
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bool success = Firebase.RTDB.getBool(&fbdo, "/pumps/waterPump");
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if (success) {
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bool newWaterPumpStatus = fbdo.boolData();
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if (newWaterPumpStatus != waterPumpStatus) {
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controlWaterPump(newWaterPumpStatus);
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}
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}
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success = Firebase.RTDB.getBool(&fbdo, "/pumps/fertilizerPump");
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if (success) {
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bool newFertilizerPumpStatus = fbdo.boolData();
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if (newFertilizerPumpStatus != fertilizerPumpStatus && !fertilizerPumpRunning) {
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controlFertilizerPump(newFertilizerPumpStatus);
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}
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}
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||||
Firebase.RTDB.setBool(&fbdo, "/pumps/waterPump", waterPumpStatus);
|
||||
Firebase.RTDB.setBool(&fbdo, "/pumps/fertilizerPump", fertilizerPumpStatus);
|
||||
}
|
||||
|
||||
// Change Detection Function
|
||||
bool hasSignificantChange() {
|
||||
if (initialReading) {
|
||||
initialReading = false;
|
||||
return true;
|
||||
}
|
||||
|
||||
return (abs(soilMoisture - lastSoilMoisture) >= SOIL_THRESHOLD ||
|
||||
abs(lightIntensity - lastLightIntensity) >= LIGHT_THRESHOLD ||
|
||||
abs(temperature - lastTemperature) >= TEMP_THRESHOLD ||
|
||||
abs(humidity - lastHumidity) >= HUMID_THRESHOLD);
|
||||
}
|
||||
|
||||
// Non-blocking Setup State Machine
|
||||
void handleSetupStateMachine() {
|
||||
unsigned long currentMillis = millis();
|
||||
|
||||
switch (setupState) {
|
||||
case SETUP_START:
|
||||
Serial.begin(115200);
|
||||
Serial.println("\nESP32 Garden Monitoring System Initializing...");
|
||||
setupState = SETUP_PINS;
|
||||
setupStateStartTime = currentMillis;
|
||||
break;
|
||||
|
||||
case SETUP_PINS:
|
||||
if (currentMillis - setupStateStartTime >= 100) {
|
||||
pinMode(SOIL_MOISTURE_PIN, INPUT);
|
||||
pinMode(LDR_PIN, INPUT);
|
||||
pinMode(DHT_PIN, INPUT);
|
||||
pinMode(RELAY_WATER_PUMP, OUTPUT);
|
||||
pinMode(RELAY_FERTILIZER_PUMP, OUTPUT);
|
||||
digitalWrite(RELAY_WATER_PUMP, HIGH);
|
||||
digitalWrite(RELAY_FERTILIZER_PUMP, HIGH);
|
||||
setupState = SETUP_DHT;
|
||||
setupStateStartTime = currentMillis;
|
||||
}
|
||||
break;
|
||||
|
||||
case SETUP_DHT:
|
||||
if (currentMillis - setupStateStartTime >= 100) {
|
||||
dht.begin();
|
||||
setupState = SETUP_WIFI;
|
||||
setupStateStartTime = currentMillis;
|
||||
}
|
||||
break;
|
||||
|
||||
case SETUP_WIFI:
|
||||
if (currentMillis - setupStateStartTime >= 500) {
|
||||
// WiFi will be handled by handleWiFiConnection()
|
||||
setupState = SETUP_RTC;
|
||||
setupStateStartTime = currentMillis;
|
||||
}
|
||||
break;
|
||||
|
||||
case SETUP_RTC:
|
||||
if (currentMillis - setupStateStartTime >= 100) {
|
||||
Wire.begin(RTC_SDA, RTC_SCL);
|
||||
if (rtc.begin()) {
|
||||
if (rtc.lostPower()) {
|
||||
Serial.println("RTC Lost Power, will sync when WiFi connects");
|
||||
rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
|
||||
}
|
||||
setupState = SETUP_LCD;
|
||||
} else {
|
||||
Serial.println("RTC Not Detected!");
|
||||
// Continue anyway, system can work without RTC
|
||||
setupState = SETUP_LCD;
|
||||
}
|
||||
setupStateStartTime = currentMillis;
|
||||
}
|
||||
break;
|
||||
|
||||
case SETUP_LCD:
|
||||
if (currentMillis - setupStateStartTime >= 100) {
|
||||
setupLCD();
|
||||
setupState = SETUP_FIREBASE;
|
||||
setupStateStartTime = currentMillis;
|
||||
}
|
||||
break;
|
||||
|
||||
case SETUP_FIREBASE:
|
||||
if (currentMillis - setupStateStartTime >= 500) {
|
||||
// Firebase will be handled by handleFirebaseConnection()
|
||||
setupState = SETUP_RELAY_TEST;
|
||||
setupStateStartTime = currentMillis;
|
||||
}
|
||||
break;
|
||||
|
||||
case SETUP_RELAY_TEST:
|
||||
if (currentMillis - setupStateStartTime >= 1000) {
|
||||
Serial.println("Performing Pump Relay Test...");
|
||||
controlWaterPump(false);
|
||||
controlFertilizerPump(false);
|
||||
setupState = SETUP_COMPLETE;
|
||||
setupStateStartTime = currentMillis;
|
||||
}
|
||||
break;
|
||||
|
||||
case SETUP_COMPLETE:
|
||||
if (currentMillis - setupStateStartTime >= 1000) {
|
||||
Serial.println("System Ready - Manual Pump Control via Firebase");
|
||||
// Setup is complete, normal operation begins
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// Setup Function
|
||||
void setup() {
|
||||
// Setup will be handled by the state machine
|
||||
setupState = SETUP_START;
|
||||
}
|
||||
|
||||
// Main Loop Function
|
||||
void loop() {
|
||||
unsigned long currentMillis = millis();
|
||||
|
||||
// Handle setup state machine
|
||||
if (setupState != SETUP_COMPLETE) {
|
||||
handleSetupStateMachine();
|
||||
}
|
||||
|
||||
// Handle all non-blocking operations
|
||||
handleWiFiConnection();
|
||||
handleFirebaseConnection();
|
||||
handleRTCSync();
|
||||
handleDHTReading();
|
||||
handleFertilizerPumpTimer();
|
||||
|
||||
// Only run main operations after setup is complete
|
||||
if (setupState == SETUP_COMPLETE) {
|
||||
// Real-time Clock Display (every second)
|
||||
if (currentMillis - lastTimeDisplayUpdate >= 1000) {
|
||||
lastTimeDisplayUpdate = currentMillis;
|
||||
displayCurrentTimeRealTime();
|
||||
}
|
||||
|
||||
// Sensor Reading and Firebase Upload
|
||||
if (currentMillis - lastSensorTime >= SENSING_INTERVAL) {
|
||||
lastSensorTime = currentMillis;
|
||||
|
||||
readSensors();
|
||||
updateCurrentTime();
|
||||
|
||||
if (hasSignificantChange() && firebaseState == FIREBASE_READY) {
|
||||
uploadToFirebase();
|
||||
}
|
||||
|
||||
readPumpSettings();
|
||||
checkAutomaticWatering();
|
||||
}
|
||||
|
||||
// Pump Status Check
|
||||
if (currentMillis - lastPumpCheckTime >= CHECK_PUMP_INTERVAL) {
|
||||
lastPumpCheckTime = currentMillis;
|
||||
|
||||
if (firebaseState == FIREBASE_READY) {
|
||||
checkPumpStatus();
|
||||
checkFertilizerSchedule();
|
||||
}
|
||||
}
|
||||
|
||||
// Update LCD Display
|
||||
if (currentMillis - lastLCDUpdateTime >= LCD_UPDATE_INTERVAL) {
|
||||
lastLCDUpdateTime = currentMillis;
|
||||
updateLCD();
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue