from machine import Pin, PWM
import time

# 右4腳位對應到GPIO15
buzzer = PWM(Pin(15, Pin.OUT))
# 頻率
buzzer.freq(1)
# 工作周期
buzzer.duty(500)

# 音階
scale = [ 1 
    , 130, 149, 165, 175, 196, 220, 247 , 1 , 1, 1
    , 262, 294, 330, 349, 392, 440, 494 , 1 , 1, 1
    , 523, 587, 659, 698, 784, 880, 988 , 1 , 1, 1
    ,1046,1175,1318,1397,1568,1760,1976]

# 播放簡譜
def play(music, beat):
    global buzzer
    for i in range(0, len(music)):
        buzzer.freq(scale[music[i]])
        time.sleep(beat[i])
# 簡譜
music1 = [ 
    23, 22, 21, 17,

    16, 15, 16, 17,

    13, 13, 11,
    22, 17,

    21, 21, 16,
    17, 15,

    16,16,14,
    15, 13,
    
    16,16,21,
    17,21,22,

    23,22,23,24,
    25,22,25,24,

    23,26,25,24,
    25,24,23,22,

    21,16,26,27,
    31,27,26,25,

    24,23,22,26,
    25,26,25,24
    ]
#節拍
beat1 = [
    2, 2, 2, 2,

    2, 2, 2, 2,

    1, 0.5, 0.5,
    1.5, 0.5, 

    1, 0.5, 0.5,
    1.5, 0.5,

    1, 0.5, 0.5,
    1.5, 0.5,

    1, 0.5, 0.5,
    1, 0.5, 0.5,

    0.5, 0.5,0.5, 0.5,
    0.5, 0.5,0.5, 0.5,

    0.5, 0.5,0.5, 0.5,
    0.5, 0.5,0.5, 0.5,

    0.5, 0.5,0.5, 0.5,
    0.5, 0.5,0.5, 0.5,

    0.5, 0.5,0.5, 0.5,
    0.5, 0.5,0.5, 0.5,
]

play(music1, beat1)

#關閉
buzzer.deinit()