import machine
from machine import Pin, SoftI2C
from lcd_api import LcdApi  
from i2c_lcd import I2cLcd  
import time

# Pin definitions
pirPin1 = 19
ledPin = 13

# LCD configurations
I2C_ADDR = 0x27  
totalRows = 2  
totalColumns = 16 

# Initialize I2C and LCD
i2c = SoftI2C(scl=Pin(22), sda=Pin(21), freq=10000) 
lcd = I2cLcd(i2c, I2C_ADDR, totalRows, totalColumns) 

# Sensor and trigger definitions
pir_sensor1 = Pin(pirPin1, Pin.IN)
led = Pin(ledPin, Pin.OUT)
Trigger1 = Pin(2, Pin.OUT)
Echo1 = Pin(4, Pin.IN)

lcd.move_to(0, 0)
lcd.putstr("ANIMAL  GUARDIAN") 	 
time.sleep(5)  
lcd.clear()  

while True:
    # Read PIR sensor value
    pir_value = pir_sensor1.value()
    
    # Measure distance with sensor 1
    Trigger1.value(0)
    time.sleep_us(2)
    Trigger1.value(1)
    time.sleep_us(10)
    Trigger1.value(0)
    totaltime1 = machine.time_pulse_us(Echo1, 1)
    distance1 = (totaltime1 * 0.034) / 2

    print("PIR Sensor 1 Value:", pir_value)
    print("Distance from sensor 1 in cm: ", distance1)
    
    

    # Display messages on LCD and control LED based on sensor values
    if pir_value == 1:
        led.value(0)
        lcd.move_to(0, 0)
        lcd.putstr("ANIMAL  DETECTED") 	 
        time.sleep(1)  
        lcd.clear()  
    elif pir_value == 0:
        if distance1 < 4:
            led.value(0)
            lcd.move_to(0, 0)
            lcd.putstr("OBJECT  DETECTED") 	 
            time.sleep(1)  
            lcd.clear()
        else:
            lcd.move_to(1, 0)
            lcd.putstr("READY TO GO...") 
            led.value(1)