# -*- coding: utf-8 -*-
# (c) 2015 Tuomas Airaksinen
#
# This file is part of automate-arduino.
#
# automate-arduino is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# automate-arduino is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with automate-arduino. If not, see <http://www.gnu.org/licenses/>.
from __future__ import unicode_literals
from traits.api import CInt, Instance, CFloat, CBool
from automate.service import AbstractSystemService
from automate.statusobject import AbstractSensor
[docs]class AbstractArduinoSensor(AbstractSensor):
"""
Abstract base class for Arduino sensors
"""
user_editable = CBool(False)
#: Arduino device number (specify, if more than 1 devices configured in ArduinoService)
dev = CInt(0)
#: Arduino pin number
pin = CInt
_arduino = Instance(AbstractSystemService, transient=True)
def setup(self, *args, **kwargs):
super(AbstractArduinoSensor, self).setup(*args, **kwargs)
self._arduino = self.system.request_service('ArduinoService')
[docs]class ArduinoAnalogSensor(AbstractArduinoSensor):
"""
Float-valued sensor object for analog Arduino input pins
"""
_status = CFloat
def setup(self, *args, **kwargs):
super(ArduinoAnalogSensor, self).setup(*args, **kwargs)
self._arduino.subscribe_analog(self.dev, self.pin, self)
def cleanup(self):
self._arduino.unsubscribe_analog(self.dev, self.pin)
[docs]class ArduinoDigitalSensor(AbstractArduinoSensor):
"""
Boolean-valued sensor object for digital Arduino input pins
"""
_status = CBool
def setup(self, *args, **kwargs):
super(ArduinoDigitalSensor, self).setup(*args, **kwargs)
self._arduino.subscribe_digital(self.dev, self.pin, self)
def cleanup(self):
self._arduino.unsubscribe_digital(self.dev, self.pin)