#!/usr/bin/python3

import serial
import pygame

pygame.mixer.pre_init(buffer=32)
pygame.init()
pygame.mixer.quit()
pygame.mixer.init(buffer=32)

Sound = [pygame.mixer.Sound('guitar/guitar_C3_very-long_forte_normal.wav'),
                pygame.mixer.Sound('guitar/guitar_D3_very-long_forte_normal.wav'),
                pygame.mixer.Sound('guitar/guitar_E3_very-long_forte_normal.wav'),
                pygame.mixer.Sound('guitar/guitar_F3_very-long_forte_normal.wav'),
                pygame.mixer.Sound('guitar/guitar_G3_very-long_forte_normal.wav'),
                pygame.mixer.Sound('guitar/guitar_A3_very-long_forte_normal.wav'),
                pygame.mixer.Sound('guitar/guitar_B3_very-long_forte_normal.wav'),
                pygame.mixer.Sound('guitar/guitar_C4_very-long_forte_normal.wav')
                ]

port = serial.Serial("/dev/ttyS0", baudrate=115200)

oldrcv = port.read()
while True:
        # rcv decodieren
        rcv = port.read()
        # Zustand merken, und nur "neu" starten, wenn sich etwas von 0 auf 1 veraendert hat.
        for i in range(8):
                if rcv[0] & ( 1 << i ) :
                        if not oldrcv[0] & ( 1 << i ):
                                Sound[i].stop()
                                Sound[i].play()
                        i+=1
                else:
                        Sound[i].stop()
                        rcvstate0 = False

        oldrcv = rcv