]

	def __init__(self, spi_bus, spi_dev, config = None):
		spi = spidev.SpiDev()
		spi.open(spi_bus, spi_dev)
		self.__spi = spi

		self.__set_spi_mode(1)

		self.configure(config)

		if len(self.__register_map) != 53:
			raise ValueError('Inconsistent register map!')

		return None

		if reg_string.isnumeric():
			return int(reg_string)
		for reg_number, reg_info in enumerate(self.__register_map):
			if reg_info['name'] == reg_string:
				return reg_number
		raise NameError("Invalid register value {}".format(reg_string_orig))

	def __set_spi_mode(self, mode):
		if mode != self.__spi.mode:
			self.__spi.mode = mode
		return True

	def __get_spi_mode(self):
		return self.__spi.mode

	def __check_radio(self):
		old_mode = self.__get_spi_mode()

		value1 = self.get_register(0);
		value2 = self.get_register(1);

		if value1 == 0x6fe0 and value2 == 0x5681:
			return True
		return False

	def configure(self, config):
		self.__config = config

		if config is None:
			return None

		self.__spi.max_speed_hz = self.__config.get('frequency', 4000000)
		self.__spi.bits_per_word = self.__config.get('bits_per_word', 8)
		self.__spi.cshigh = self.__config.get('csigh', False)
		self.__spi.no_cs  = self.__config.get('no_cs', False)
		self.__spi.lsbfirst = self.__config.get('lsbfirst', False)
		self.__spi.threewire = self.__config.get('threewire', False)
		self.__spi.mode = self.__config.get('mode', 1)

		return None

	def initialize(self):
		self.__reset_device()

		self.__set_defaults()