# Professor Cristiano Teixeira
# Sob Licença Apache 2.0

from machine import Pin, PWM
import time

# Configuração do pino do buzzer
buzzer = PWM(Pin(25), freq=1000, duty=512)

# Frequências das notas musicais (em Hz)
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
REST =   1



# Melodia (sequência de notas)
asabranca = [  G4,8, A4,8, B4,4, D5,4, D5,4, B4,4, 
  C5,4, C5,2, G4,8, A4,8,
  B4,4, D5,4, D5,4, C5,4,

  B4,2, REST,8, G4,8, G4,8, A4,8,
  B4,4, D5,4, REST,8, D5,8, C5,8, B4,8,
  G4,4, C5,4, REST,8, C5,8, B4,8, A4,8,

  A4,4, B4,4, REST,8, B4,8, A4,8, G4,8,
  G4,2, REST,8, G4,8, G4,8, A4,8,
  B4,4, D5,4, REST,8, D5,8, C5,8, B4,8,

  G4,4, C5,4, REST,8, C5,8, B4,8, A4,8,
  A4,4, B4,4, REST,8, B4,8, A4,8, G4,8,
  G4,4, F5,8, D5,8, E5,8, C5,8, D5,8, B4,8,

  C5,8, A4,8, B4,8, G4,8, A4,8, G4,8, E4,8, G4,8,
  G4,4, F5,8, D5,8, E5,8, C5,8, D5,8, B4,8,
  C5,8, A4,8, B4,8, G4,8, A4,8, G4,8, E4,8, G4,8,
  G4,-2, REST,4]
tempoasabranca = 120


# Duração das notas (em milissegundos)
#durations = [500, 500, 500, 500, 500, 500, 500, 500]

# Função para tocar a melodia
def tocar_melodia(melodia,tempo):
    notatoda = (60000 * 4) / tempo;
    print("NOTATODA",notatoda)
    divisor = 0
    duracaodanota = 0;
    tamanho=len(melodia)
    for toque in range (0, tamanho, 2):
        divisor=melodia[toque+1]
        if (divisor > 0):
            duracaodanota=(notatoda)/divisor
        elif divisor < 0:
            duracaodanota=(notatoda)/abs(divisor)
            duracaodanota*=1.5
        buzzer.freq(melodia[toque])
        print("NOTA:",melodia[toque])
        time.sleep_ms(int(duracaodanota))
        print("DURAÇAO DA NOTA",duracaodanota)
        buzzer.duty(0)
        time.sleep_ms(50)
        buzzer.duty(512)
    buzzer.duty(0)
# Tocar a melodia

tocar_melodia(asabranca,tempoasabranca)