from machine import I2C, Pin, PWM
from picozero import Button, Pot
from time import sleep

from pico_i2c_lcd import I2cLcd

buzzer = PWM(Pin(15))  # connect buzzer to GP15
button = Pin(9, Pin.IN)
pot = Pot(26)

i2c = I2C(0, sda=Pin(0), scl=Pin(1), freq=400000)

I2C_ADDR = i2c.scan()[0]

lcd = I2cLcd(i2c, I2C_ADDR, 2, 16)

def play_tone(freq, duration):
  buzzer.freq(freq)
  buzzer.duty_u16(32768)  # 50% duty cycle
  sleep(duration)
  buzzer.duty_u16(0)  # stop sound

melody = [
  (262, 0.3),  # C
  (294, 0.3),  # D
  (330, 0.3),  # E
  (349, 0.3),  # F
  (392, 0.5),  # G
]

play_melody = False

print('banaan')

M = [
  0b11111,
  0b11111,
  0b11111,
  0b11111,
  0b11111,
  0b11111,
  0b11111,
  0b11111
]

lcd.custom_char(0, M)

while True:
  print(pot.value, pot.voltage)
  sleep(0.1)
  # if play_melody:
  #   for note, duration in melody:
  #     play_tone(note, duration)
  #     sleep(0.05)
  #   play_melody = False

  # if button.value() == 1:
  #   print('Halllo')
  #   play_melody = True
   
  # lcd.putstr(chr(0))
  # sleep(5)        # "Hello world!" text would be displayed for 5 secs
  # lcd.clear()
  # sleep(1)        # clear the text for 1 sec then print the text again