def _pause_resume_callback(self, *args):
self.logger.info(f"Pause/Resume song.")
state = util.exec_mpc_func(self.mpc, self.mpc.status)["state"]
if state == "stop":
util.exec_mpc_func(self.mpc, self.mpc.play)
else:
util.exec_mpc_func(self.mpc, self.mpc.pause)
def _dec(self, counter):
vol = int(util.exec_mpc_func(self.mpc, self.mpc.status)["volume"])
new_vol = vol
i = 0
while vol - self.volume_steps <= new_vol and i < 4:
new_vol = vol - self.volume_steps - i
util.exec_mpc_func(self.mpc, self.mpc.setvol, new_vol)
i += 1
new_vol = int(
util.exec_mpc_func(self.mpc, self.mpc.status)["volume"])
self.logger.info(f"Decreasing volume to {new_vol}.")
def _prev_callback(self, *args):
self.logger.info(f"Play previous song.")
status = util.exec_mpc_func(self.mpc, self.mpc.status)
state = status["state"]
if state == "play":
playlist_length = int(status["playlistlength"])
current_song_number = int(status["song"])
if current_song_number == 0:
util.exec_mpc_func(self.mpc, self.mpc.play, playlist_length-1)
else:
util.exec_mpc_func(self.mpc, self.mpc.previous)
def watch(self):
self.logger.info("Starting RFID.")
try:
while not self.end:
status , _ = self.reader.MFRC522_Request(self.reader.PICC_REQIDL)
if status == self.reader.MI_OK:
status, uid = self.reader.MFRC522_Anticoll()
if status == self.reader.MI_OK:
id = self._convert_uid(uid)
else:
id = 0
if id != self.last_card_id:
self.logger.info(f"Card with id={id} read.")
exec_mpc_func(self.mpc, self.mpc.stop)
exec_mpc_func(self.mpc, self.mpc.clear)
if id != 0:
if id in self.playlist_map:
playlist = self.playlist_map[id]
self.logger.info(f"Play {playlist}")
exec_mpc_func(self.mpc, self.mpc.load, playlist)
exec_mpc_func(self.mpc, self.mpc.play)
else:
self.logger.info(f"RFID with uid {id} is not mapped to a playlist.")
self.last_card_id = id
self.reader.MFRC522_Request(self.reader.PICC_HALT)
sleep(1)
except:
pass
GPIO.cleanup()
self.logger.info("Exiting RFID.")
return