from machine import Pin, PWM
import time

# Buzzer configuration
buzzer_pin = Pin(6)  # Change this to the appropriate GPIO pin (GP6 on Raspberry Pi Pico)
buzzer_pwm = PWM(buzzer_pin)

# Button configuration
button_pin = Pin(8, Pin.IN, Pin.PULL_UP)

def play_tone(frequency, duration):
    # Set the frequency of the PWM to the desired tone
    buzzer_pwm.freq(frequency)
    
    # Start the PWM
    buzzer_pwm.duty_u16(32767)  # 50% duty cycle
    
    # Wait for the specified duration
    time.sleep_ms(duration)
    
    # Stop the PWM
    buzzer_pwm.duty_u16(0)

def is_button_pressed():
    # Check if the button is pressed (active low)
    return not button_pin.value()

# Play a simple melody with frequencies between 1 and 800 Hz
melody = [200, 700, 500, 600, 900, 800, 700, 800]
duration = 200  # in milliseconds

while True:
    if is_button_pressed():
        print("Button pressed! Playing melody.")
        for freq in melody:
            play_tone(freq, duration)
            time.sleep_ms(25)  # Add a short delay between tones
    else:
        print("Button not pressed. Waiting...")
        time.sleep(1.0)  # Adjust the delay based on your needs