#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <DHT.h>
#include <OneWire.h>
#include <DallasTemperature.h>

// Define the pins and types for the sensors
#define DHTPIN 4           // GPIO pin for DHT22
#define DHTTYPE DHT22      // DHT22 sensor type
#define DS18B20_PIN 5      // GPIO pin for DS18B20
#define NTC_PIN 34         // Analog pin for NTC sensor

// Initialize the DHT sensor
DHT dht(DHTPIN, DHTTYPE);

// Setup for DS18B20 sensor
OneWire oneWire(DS18B20_PIN);
DallasTemperature ds18b20(&oneWire);

// Initialize the LCD (address 0x27 for I2C)
LiquidCrystal_I2C lcd(0x27, 20, 4);

void setup() {
  // Start communication with sensors and LCD
  dht.begin();
  ds18b20.begin();
  lcd.init();
  lcd.backlight();
  
  // Display the initial message
  lcd.setCursor(0, 0);
  lcd.print("Cubesat Monitoring");
  lcd.setCursor(0, 1);
  lcd.print("Status");
  lcd.setCursor(0, 2);
  lcd.print("By Vince Julian Day");
  delay(2000); // Display message for 2 seconds
  
  // Display Area Scanning with growing dots
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Area Scanning");
  
  for (int i = 0; i < 4; i++) {
    lcd.setCursor(15, 0);
    lcd.print(".");
    delay(500); // Pause for 500 milliseconds
  }
  
  // Clear dots for the next round
  lcd.setCursor(15, 0);
  lcd.print("    "); // Clear the dots
}

void loop() {
  // Read temperature and humidity from DHT22
  float humidity = dht.readHumidity();
  float dhtTemperature = dht.readTemperature();

  // Read temperature from DS18B20
  ds18b20.requestTemperatures();
  float ds18b20Temperature = ds18b20.getTempCByIndex(0);

  // Read temperature from NTC analog sensor (Assuming a simple conversion)
  int ntcValue = analogRead(NTC_PIN);
  float ntcTemperature = ntcValue * (3.3 / 4095.0) * 100; // Adjust based on your sensor characteristics

  // Clear the LCD
  lcd.clear();
  
  // Display temperature from DHT22
  lcd.setCursor(0, 0);
  lcd.print("Temp: ");
  lcd.print(dhtTemperature);
  lcd.print("C");

  // Display humidity from DHT22
  lcd.setCursor(0, 1);
  lcd.print("Humidity: ");
  lcd.print(humidity);
  lcd.print("%");

  // Display temperature from NTC sensor
  lcd.setCursor(0, 2);
  lcd.print("NTC: ");
  lcd.print(ntcTemperature);
  lcd.print("C");

  // Wait before refreshing
  delay(2000);
}