def main_control_loop(player: ManagedAudioPlayer, loop_try_delay: int) -> None:
"""Main playback loop for the controls.
Blocks forever."""
rotor_enc.when_rotated_clockwise = partial(rotor_clockwise, player)
rotor_enc.when_rotated_counter_clockwise = partial(rotor_counter_clock,
player)
prev_but.when_pressed = partial(previous_button, player)
next_but.when_pressed = partial(next_button, player)
play_but.when_pressed = partial(play_button, player)
rotor_but.when_pressed = partial(rotor_button, player)
mod_but.when_pressed = mod_led.on
mod_but.when_released = mod_led.off
play_but.when_released = play_led.off
next_but.when_released = next_led.off
prev_but.when_released = prev_led.off
rotor_but.when_released = leds_off
try:
while True:
song_finished = player.play_current_song(
) # Will block during playback
if song_finished:
player.next_song()
sleep(loop_try_delay)
finally:
leds_off()
def controlless_play_loop(player: ManagedAudioPlayer):
"""Simply plays songs as they're received."""
while True:
song_finished = player.play_current_song() # Will block during playback
if song_finished:
player.next_song()
sleep(SONG_BREAK_DELAY_SECS)
def rotor_button(player: ManagedAudioPlayer) -> None:
"""Callback to control mute/pitch reset features associated with the rotary encoder button."""
if mod_but.is_pressed:
player_logger.info("Reset Pitch")
player.set_pitch(0)
else:
player_logger.info("Mute")
player.toggle_mute()
mod_led.on()
prev_led.on()
play_led.on()
next_led.on()
def rotor_counter_clock(player: ManagedAudioPlayer) -> None:
"""Callback for volume/pitch control associated with the counter-clockwise rotation of the rotary encoder"""
if mod_but.is_pressed:
player_logger.info("Song Pitch Down 1%")
player.adjust_pitch(-PITCH_STEP)
else:
player_logger.info("Volume Down 5%")
player.adjust_volume(-VOLUME_STEP)
next_led.blink(0.025, 0, 1, background=False)
play_led.blink(0.025, 0, 1, background=False)
prev_led.blink(0.025, 0, 1, background=False)
mod_led.blink(0.025, 0, 1, background=False)
def main(use_controls: bool = True) -> None:
with ManagedAudioPlayer() as player:
if use_controls:
import controls
controls.main_control_loop(player, SONG_BREAK_DELAY_SECS)
else:
controlless_play_loop(player)
def next_button(player: ManagedAudioPlayer) -> None:
"""Callback to control the next song/seek forwards features associated with the next button."""
if mod_but.is_pressed:
player_logger.info("Seek Forwards")
player.seek_by(SEEK_STEP)
else:
player_logger.info("Next Song")
player.next_song()
player.stop()
next_led.on()
def previous_button(player: ManagedAudioPlayer) -> None:
"""Callback to control the previous song/seek back features associated with the previous button """
if mod_but.is_pressed:
player_logger.info("Seek Back")
player.seek_by(-SEEK_STEP)
else:
player_logger.info("Previous Song")
player.previous_song()
player.stop()
prev_led.on()
def play_button(player: ManagedAudioPlayer) -> None:
"""Callback to control play/pause features associated with the play button."""
player_logger.info("Toggle Pause")
player.toggle_pause()
play_led.on()