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import firmata
class TAArduino(object):
def __init__(self, dev='/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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