code: def init_can(self, channel=Channel.CHANNEL_CH0, BTR=Baudrate.BAUD_1MBit, baudrate=BaudrateEx.BAUDEX_USE_BTR01,
                   AMR=AMR_ALL, ACR=ACR_ALL, mode=Mode.MODE_NORMAL, OCR=OutputControl.OCR_DEFAULT,
                   rx_buffer_entries=DEFAULT_BUFFER_ENTRIES, tx_buffer_entries=DEFAULT_BUFFER_ENTRIES):
          
          if not self._ch_is_initialized.get(channel, False):
              init_param = InitCanParam(mode, BTR, OCR, AMR, ACR, baudrate, rx_buffer_entries, tx_buffer_entries)
              UcanInitCanEx2(self._handle, channel, init_param)
              self._ch_is_initialized[channel] = True
docs: Initializes a specific CAN channel of a device.
  
          :param int channel: CAN channel to be initialized (:data:`Channel.CHANNEL_CH0` or :data:`Channel.CHANNEL_CH1`).
          :param int BTR:
              Baud rate register BTR0 as high byte, baud rate register BTR1 as low byte (see enum :class:`Baudrate`).
          :param int baudrate: Baud rate register for all systec USB-CANmoduls (see enum :class:`BaudrateEx`).
          :param int AMR: Acceptance filter mask (see method :meth:`set_acceptance`).
          :param int ACR: Acceptance filter code (see method :meth:`set_acceptance`).
          :param int mode: Transmission mode of CAN channel (see enum :class:`Mode`).
          :param int OCR: Output Control Register (see enum :class:`OutputControl`).
          :param int rx_buffer_entries: The number of maximum entries in the receive buffer.
          :param int tx_buffer_entries: The number of maximum entries in the transmit buffer.