from machine import Pin, I2C
from time import sleep
from pico_i2c_lcd import I2cLcd

# Inisialisasi I2C dan LCD
i2c = I2C(0, sda=Pin(0), scl=Pin(1), freq=400000)
I2C_ADDR = i2c.scan()[0]  # Deteksi otomatis alamat I2C
lcd = I2cLcd(i2c, I2C_ADDR, 2, 16)

# Inisialisasi PIR
pir_merah = Pin(2, Pin.IN)   # GP2 untuk benda merah
pir_hijau = Pin(3, Pin.IN)   # GP3 untuk benda hijau

# Inisialisasi counter dan status deteksi sebelumnya
counter_merah = 0
counter_hijau = 0
pir_merah_prev = 0
pir_hijau_prev = 0

# Tampilkan pesan awal
lcd.clear()
lcd.putstr("Counter Dimulai")
sleep(2)
lcd.clear()

# Loop utama
while True:
    pir_merah_now = pir_merah.value()
    pir_hijau_now = pir_hijau.value()

    # Deteksi tepi naik PIR merah
    if pir_merah_now == 1 and pir_merah_prev == 0:
        counter_merah += 1

    # Deteksi tepi naik PIR hijau
    if pir_hijau_now == 1 and pir_hijau_prev == 0:
        counter_hijau += 1

    # Simpan status sebelumnya
    pir_merah_prev = pir_merah_now
    pir_hijau_prev = pir_hijau_now

    # Tampilkan ke LCD
    lcd.clear()
    lcd.move_to(0, 0)
    lcd.putstr("Merah : {}".format(counter_merah))
    lcd.move_to(0, 1)
    lcd.putstr("Hijau : {}".format(counter_hijau))

    sleep(0.5)