#include <Arduino.h>
#include <DHT.h>

#define DHT_PIN 15
#define DHT_TYPE DHT22

DHT dht(DHT_PIN, DHT_TYPE);

float temperature = 0;
float humidity = 0;
float heatIndex = 0;


unsigned long previousReadTime = 0;
const unsigned long READ_INTERVAL = 2000; 


unsigned long displayUpdateTime = 0;
const unsigned long DISPLAY_INTERVAL = 5000; 

void setup() {
  
  Serial1.begin(115200);
  
  
  dht.begin();
  
  
  Serial1.println("Raspberry Pi Pico Weather Station");
  Serial1.println("Sensor: DHT22");
  Serial1.println("Update interval: 5 seconds");
  Serial1.println("Waiting for sensor to stabilize...");
  
  
  delay(2000);
  
  Serial1.println("Weather Station Ready!");
}

void readSensorData() {
  
  float newTemp = dht.readTemperature();
  float newHumidity = dht.readHumidity();
  

  if (isnan(newTemp) || isnan(newHumidity)) {
    Serial1.println("Error reading from DHT sensor!");
    return;
  }
  
 
  temperature = newTemp;
  humidity = newHumidity;
  
  heatIndex = dht.computeHeatIndex(temperature, humidity, false);
}

void displayWeatherData() {
  Serial1.println("\n");
  
  
  Serial1.println(" WEATHER STATION ");
  
  if (temperature >= 30.0) {
    Serial1.print("Hot");
  } else if (temperature >= 25.0) {
    Serial1.print("Warm");
  } else if (temperature >= 20.0) {
    Serial1.print("Comfortable");
  } else if (temperature >= 15.0) {
    Serial1.print("Cool");
  } else {
    Serial1.print("Cold");
  }
  
  
  Serial1.println("\n");
  Serial1.print(millis() / 1000);
}

void displayCompactData() {
  Serial1.print("[");
  Serial1.print(millis() / 1000);
  Serial1.print("s] Temp: ");
  Serial1.print(temperature, 1);
  Serial1.print("°C, Hum: ");
  Serial1.print(humidity, 1);
  Serial1.print("%, Feels: ");
  Serial1.print(heatIndex, 1);
  Serial1.println("°C");
}

void loop() {
  unsigned long currentTime = millis();
  
  if (currentTime - previousReadTime >= READ_INTERVAL) {
    readSensorData();
    previousReadTime = currentTime;
    
    
    displayCompactData();
  }
  
  if (currentTime - displayUpdateTime >= DISPLAY_INTERVAL) {
    displayWeatherData();
    displayUpdateTime = currentTime;
  }
  
  delay(100);
}