print("Hello, Pi Pico!")

import machine
import ssd1306
from machine import Pin, I2C
import dht
import time

# Inisialisasi OLED
i2c = I2C(1, scl=Pin(7), sda=Pin(6))
oled = ssd1306.SSD1306_I2C(128, 64, i2c)

# Inisialisasi sensor suhu dan kelembapan
dht_sensor = dht.DHT22(Pin(26))

# Inisialisasi sensor ultrasonik
trigger_pin = Pin(2, Pin.OUT)
echo_pin = Pin(3, Pin.IN)

# Inisialisasi sensor motion
pir_sensor = Pin(22, Pin.IN)

# Inisialisasi lampu LED
led_suhu = Pin(27, Pin.OUT)
led_kelembapan = Pin(28, Pin.OUT)
led_tinggi = Pin(5, Pin.OUT)
led_pergerakan = Pin(20, Pin.OUT)

def read_distance():
    # Baca jarak dari sensor ultrasonik
    trigger_pin.value(1)
    time.sleep_us(10)
    trigger_pin.value(0)
    pulse_time = machine.time_pulse_us(echo_pin, 1)
    distance = (pulse_time / 2) / 29.1  # Faktor konversi untuk mengubah waktu menjadi jarak dalam cm
    return distance

def read_temperature_humidity():
    # Baca suhu dan kelembapan dari sensor DHT22
    dht_sensor.measure()
    temperature = dht_sensor.temperature()
    humidity = dht_sensor.humidity()
    return temperature, humidity

while True:
    try:
        # Baca nilai dari semua sensor
        distance = read_distance()
        temperature, humidity = read_temperature_humidity()
        motion_detected = pir_sensor.value()

        # Tampilkan hasil di OLED
        oled.fill(0)
        oled.text("Suhu: {:.2f} C".format(temperature), 0, 0)
        oled.text("Kelembapan: {:.2f}%".format(humidity), 0, 16)
        oled.text("Tinggi: {:.2f} cm".format(distance), 0, 32)
        oled.text("Pergerakan: {}".format("Ya" if motion_detected else "Tidak"), 0, 48)
        oled.show()

        # Kendalikan lampu LED berdasarkan kondisi
        led_suhu.value(1 if temperature >= 29 else 0)
        led_kelembapan.value(1 if humidity >= 60 else 0)
        led_tinggi.value(1 if distance <= 150 else 0)
        led_pergerakan.value(1 if motion_detected else 0)

        # Tampilkan pesan di OLED berdasarkan kondisi lampu LED
        if led_suhu.value() and led_kelembapan.value() and led_tinggi.value() and led_pergerakan.value():
            oled.fill(0)
            oled.text("Kipas Menyala", 0, 0)
            oled.show()
        else:
            oled.fill(0)
            oled.text("Kipas Tidak Menyala", 0, 0)
            oled.show()

        # Tunggu beberapa detik sebelum membaca ulang sensor
        time.sleep(5)

    except Exception as e:
        # Tangkap kesalahan dan tampilkan pesan
        oled.fill(0)
        oled.text("Error:", 0, 0)
        oled.text(str(e), 0, 16)
        oled.show()
        time.sleep(5)