from machine import Pin, PWM
from utime import sleep
buzzer = PWM(Pin(16))

tones = {"B0": 31,"C1": 33,"CS1": 35,"D1": 37,"DS1": 39,"E1": 41,"F1": 44,"FS1": 46,
"G1":49,"GS1": 52,"A1": 55,"AS1": 58,"B1": 62,"C2": 65,"CS2": 69,"D2": 73,"DS2": 78,
"E2": 82,"F2": 87,"FS2": 93,"G2": 98,"GS2": 104,"A2": 110,"AS2": 117,"B2": 123,"C3": 131,
"CS3": 139,"D3": 147,"DS3": 156,"E3": 165,"F3": 175,"FS3": 185,"G3": 196,"GS3": 208,
"A3": 220,"AS3": 233,"B3": 247,"C4": 262,"CS4": 277,"D4": 294,"DS4": 311,"E4": 330,
"F4": 349,"FS4": 370,"G4": 392,"GS4": 415,"A4": 440,"AS4": 466,"B4": 494,"C5": 523,
"CS5": 554,"D5": 587,"DS5": 622,"E5": 659,"F5": 698,"FS5": 740,"G5": 784,"GS5": 831,
"A5": 880,"AS5": 932,"B5": 988,"C6": 1047,"CS6": 1109,"D6": 1175,"DS6": 1245,"E6": 1319,
"F6":1397,"FS6": 1480,"G6": 1568,"GS6": 1661,"A6": 1760,"AS6": 1865,"B6": 1976,
"C7": 2093,"CS7": 2217,"D7": 2349,"DS7": 2489,"E7": 2637,"F7": 2794,"FS7": 2960,
"G7": 3136,"GS7": 3322,"A7": 3520,"AS7": 3729,"B7": 3951,"C8": 4186,"CS8": 4435,
"D8": 4699,"DS8": 4978}

song = ["E5","G5","A5","P","E5","G5","B5","A5","P","E5","G5","A5","P","G5","E5"]

def playtone(frequency):
    buzzer.duty_u16(1000)
    buzzer.freq(frequency)

def bequiet():
    buzzer.duty_u16(0)

def playsong(mysong):
    for i in range(len(mysong)):
        if (mysong[i] == "P"):
            bequiet()
        else:
            playtone(tones[mysong[i]])
        sleep(0.3)
    bequiet()
playsong(song)