import machine
from machine import Pin, ADC
import time

# Define the pin for the buzzer
buzzer_pin = Pin(15, Pin.OUT)
# Define the pin for the LED
led_pin = Pin(2, Pin.OUT)
# Define the pin for the analog temperature sensor
temp_sensor = ADC(Pin(32))  # Analog pin

# Calibration and conversion factors
SENSOR_MAX_VALUE = 4095  # Max value for 12-bit ADC
REFERENCE_VOLTAGE = 3.3  # Reference voltage in volts
TEMP_THRESHOLD = 60  # Temperature threshold for alarm in degrees Celsius

def read_temperature():
    # Read the analog value from the temperature sensor
    adc_value = temp_sensor.read()
    
    # Convert the ADC value to voltage
    voltage = (adc_value / SENSOR_MAX_VALUE) * REFERENCE_VOLTAGE
    
    # Convert voltage to temperature (example conversion, adjust based on sensor)
    temperature = (voltage - 0.5) * 100  # Example conversion for LM35 sensor
    
    return temperature

def buzz(frequency, duration):
    period = 1 / frequency
    cycles = int(frequency * duration)
    
    for _ in range(cycles):
        buzzer_pin.on()
        time.sleep(period / 2)
        buzzer_pin.off()
        time.sleep(period / 2)

while True:
    # Read the temperature value
    temp = read_temperature()
    print(f"Temperature: {temp:.2f}°C")  # Print temperature with 2 decimal places
    
    # Fire alarm condition based on temperature
    if temp >= TEMP_THRESHOLD:
        # High-frequency alarm
        frequency = 1000  # Hz
        duration = 0.5    # seconds
        print("Alarm Triggered!")  # Debugging message
        buzz(frequency, duration)
        for _ in range(10):  # LED blinking effect
            led_pin.value(1)
            time.sleep(0.2)  # LED on duration
            led_pin.value(0)  
            time.sleep(0.2)  # LED off duration
            print("RUNNN SAVE YOUR LIFE!!")  # Debugging message

    else:
        buzzer_pin.value(0)  # Turn off the buzzer
        led_pin.value(0)     # Turn off the LED
    
    # Delay before the next reading
    time.sleep(1)