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#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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"""KISS Core Classes.""" |
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# These imports are for python3 compatability inside python2 |
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from __future__ import absolute_import |
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from __future__ import division |
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from __future__ import print_function |
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import logging |
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import serial |
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from apex.kiss import constants as kiss_constants |
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from .kiss import Kiss |
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__author__ = 'Jeffrey Phillips Freeman (WI2ARD)' |
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__maintainer__ = 'Jeffrey Phillips Freeman (WI2ARD)' |
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__email__ = '[email protected]' |
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__license__ = 'Apache License, Version 2.0' |
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__copyright__ = 'Copyright 2016, Syncleus, Inc. and contributors' |
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__credits__ = [] |
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class KissSerial(Kiss): |
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"""KISS Serial Object Class.""" |
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logger = logging.getLogger(__name__) |
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logger.setLevel(kiss_constants.LOG_LEVEL) |
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console_handler = logging.StreamHandler() |
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console_handler.setLevel(kiss_constants.LOG_LEVEL) |
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formatter = logging.Formatter(kiss_constants.LOG_FORMAT) |
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console_handler.setFormatter(formatter) |
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logger.addHandler(console_handler) |
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logger.propagate = False |
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frame_buffer = [] |
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def __init__(self, strip_df_start=True, |
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com_port=None, |
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baud=38400, |
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parity=serial.PARITY_NONE, |
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stop_bits=serial.STOPBITS_ONE, |
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byte_size=serial.EIGHTBITS): |
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super(KissSerial, self).__init__(strip_df_start) |
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self.com_port = com_port |
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self.baud = baud |
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self.parity = parity |
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self.stop_bits = stop_bits |
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self.byte_size = byte_size |
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self.serial = None |
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self.strip_df_start = strip_df_start |
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self.exit_kiss = False |
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self.logger.info('Using interface_mode=Serial') |
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def __enter__(self): |
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return self |
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def __exit__(self, exc_type, exc_val, exc_tb): |
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self.serial.close() |
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def __del__(self): |
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if self.serial and self.serial.isOpen(): |
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self.serial.close() |
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def _read_interface(self): |
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read_data = self.serial.read(kiss_constants.READ_BYTES) |
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waiting_data = self.serial.inWaiting() |
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if waiting_data: |
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read_data += self.serial.read(waiting_data) |
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return map(ord, read_data) |
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def _write_interface(self, data): |
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self.serial.write(data) |
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def start(self, mode_init=None, **kwargs): |
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""" |
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Initializes the KISS device and commits configuration. |
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See http://en.wikipedia.org/wiki/KISS_(TNC)#Command_codes |
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for configuration names. |
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:param **kwargs: name/value pairs to use as initial config values. |
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""" |
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self.logger.debug('kwargs=%s', kwargs) |
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self.serial = serial.Serial(port=self.com_port, baudrate=self.baud, parity=self.parity, |
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stopbits=self.stop_bits, bytesize=self.byte_size) |
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self.serial.timeout = kiss_constants.SERIAL_TIMEOUT |
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if mode_init is not None: |
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self.serial.write(mode_init) |
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self.exit_kiss = True |
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# Previous verious defaulted to Xastir-friendly configs. Unfortunately |
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# those don't work with Bluetooth TNCs, so we're reverting to None. |
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if kwargs: |
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for name, value in kwargs.items(): |
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super(KissSerial, self).write_setting(name, value) |
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# If no settings specified, default to config values similar |
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# to those that ship with Xastir. |
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# if not kwargs: |
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# kwargs = kiss.constants.DEFAULT_KISS_CONFIG_VALUES |
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def close(self): |
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if not self.serial: |
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raise RuntimeError('Attempting to close before the class has been started.') |
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elif self.serial.isOpen(): |
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self.serial.close() |
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Syncleus /
apex
