def is_audio(audio_pin_name):
try:
p = AudioOut(audio_pin_name)
p.deinit()
return True
except ValueError:
return False
except RuntimeError:
return False
# open the sample wav file
with open(_icons[LOOP[CUR_LOOP_INDEX]][2], "rb") as wave_file:
print("playing: {}".format(_icons[LOOP[CUR_LOOP_INDEX]][2]))
# initialize audio output pin
audio = AudioOut(board.AUDIO_OUT)
# initialize WaveFile object
wave = WaveFile(wave_file)
# play it
audio.play(wave)
# while it's still playing
while audio.playing:
# update time variable
_now = time.monotonic()
# check for and process touch events
check_for_touch(_now)
# after done playing. deinit audio output
audio.deinit()
# increment index counter
CUR_LOOP_INDEX = next_index()
# update variable for last time we attempted to play sample
LAST_PLAY_TIME = _now
