Dog's talking buttons

audio-buttons.py

# This script requires a Raspberry Pi 2, 3 or Zero. Circuit Python must
# be installed and it is strongly recommended that you use the latest
# release of Raspbian.

import os
import board
import digitalio
import pygame
from tasko import Loop

dirname = os.path.dirname(os.path.abspath(__file__))

button_pins = ['D23', 'D24', 'D25', 'D16', 'D26']
led_pins = ['D17', 'D27', 'D22', 'D5', 'D6']
sounds = ['walk', 'play', 'toby', 'potty', 'food']
buttons = [{} for i in range(len(button_pins))]

for i, button in enumerate(buttons):
    pin = digitalio.DigitalInOut(getattr(board, button_pins[i]))
    pin.direction = digitalio.Direction.INPUT
    pin.pull = digitalio.Pull.UP
    button['button'] = pin

    pin = digitalio.DigitalInOut(getattr(board, led_pins[i]))
    pin.direction = digitalio.Direction.OUTPUT
    button['led'] = pin

    button['sound'] = sounds[i]

pygame.mixer.init()
pygame.mixer.music.load(dirname + "/hello.mp3")
speakerVolume = "1"
pygame.mixer.music.set_volume(float(speakerVolume))
pygame.mixer.music.play()

async def blink(led):
    for n in range (5):
        led.value = True
        await loop.sleep(0.5)
        led.value = False
        await loop.sleep(0.5)

def play(button):
    filename = button['sound'] + '.mp3'
    led = button['led']

    pygame.mixer.music.load(os.path.join(dirname, filename))
    pygame.mixer.music.play()
    loop.add_task(blink(led))

async def read_sensors():
    for button in buttons:
        if not button['button'].value:
            play(button)

loop = Loop()
loop.schedule(hz=100, coroutine_function=read_sensors)
loop.run()