import logging

log = logging.getLogger(__name__)


class TicDevice:
    def __init__(self, name):
        self._is_serial = False
        self.device = None
        try:
            self.device = serial.Serial(name,
                                        bytesize=serial.SEVENBITS,
                                        parity=serial.PARITY_EVEN,
                                        stopbits=serial.STOPBITS_ONE,
                                        timeout=2.0)
            self.device.baudrate = 9600
            self._is_serial = True
        except:
            if self.device:
                self.device.close()
                self.device = None
        if not self.device:
            self.device = open(name, 'rb')
            self._is_serial = False

    def set_baudrate(self, rate):
        if self._is_serial:
            self.device.baudrate = rate

    def get_char(self):
        c = self.device.read(1)
        if not c:
            if self._is_serial:
                log.debug("RX Timeout")
            else:
                log.debug("EOF.")
        return c

    def is_serial(self):
        return self._is_serial