from machine import Pin, PWM
from time import sleep_ms
from tones import tones

# 蜂鳴器接腳
buzzer = PWM(Pin(15))

# 命運交響曲主題旋律（小節長度節選版）
melody = [
    # 開頭動機
    ('G4', 300), ('G4', 300), ('G4', 300), ('DS4', 900),
    ('F4', 300), ('F4', 300), ('F4', 300), ('D4', 900),

    # 延伸旋律
    ('G4', 300), ('G4', 300), ('G4', 300), ('DS4', 900),
    ('F4', 300), ('F4', 300), ('F4', 300), ('D4', 900),

    # 第二主題
    ('DS4', 300), ('DS4', 300), ('DS4', 300), ('DS4', 300),
    ('DS4', 300), ('D4', 300), ('C4', 300), ('AS3', 900),

    # 再次重複主題
    ('G4', 300), ('G4', 300), ('G4', 300), ('DS4', 900),
    ('F4', 300), ('F4', 300), ('F4', 300), ('D4', 900),
]

def play_tone(frequency, duration):
  buzzer.freq(frequency)
  buzzer.duty_u16(30000)
  sleep_ms(duration)
  buzzer.duty_u16(0)
  sleep_ms(50)  # 音符間小停頓

def play_melody(melody):
  for note, duration in melody:
    freq = tones.get(note, 0)
    if freq > 0:
      play_tone(freq, duration)
    else:
      sleep_ms(duration)

play_melody(melody)
buzzer.deinit()