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#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# This program 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 2 of the License, or
# (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import firmata
class TAArduino(object):
def __init__(self, fdev='/dev/ttyUSB0', baud=115200):
object.__init__(self)
self._dev = dev
self._baud = baud
self._arduino = None # Do not initialize this now
self.HIGH = firmata.HIGH
self.LOW = firmata.LOW
self.INPUT = firmata.INPUT
self.OUTPUT = firmata.OUTPUT
self.PWM = firmata.PWM
self.SERVO = firmata.SERVO
def _check_init(self):
if self._arduino is None:
self._arduino = firmata.Arduino(port = self._dev, \
baudrate = self._baud)
self._arduino.parse()
def delay(self, secs):
# Do not use this. The firmata module uses time.sleep() to
# implement this, which breaks gtk+ (unresponsive window)
self._check_init()
self._arduino.delay(secs)
def pin_mode(self, pin, mode):
self._check_init()
self._arduino.pin_mode(int(pin), mode)
def analog_write(self, pin, value):
self._check_init()
self._arduino.analog_write(int(pin), int(value))
def digital_write(self, pin, value):
self._check_init()
self._arduino.digital_write(int(pin), value)
def analog_read(self, pin):
self._check_init()
self._arduino.parse() # XXX: Not sure why I have to do this here.
return self._arduino.analog_read(int(pin))
def digital_read(self, pin):
self._check_init()
return self._arduino.digital_read(int(pin))
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