class SyrenAdapter(object):
"""
classdocs
"""
def __init__(self):
"""
Constructor
"""
self._channels = []
self._logger = logging.getLogger(LOG_ADSYREN)
self._is_alerting = False
self._output = DigitalOutputDevice(pin=SYREN_OUT)
def alert(self, start=True):
if start:
self._logger.info("Syren on")
self._is_alerting = True
self._output.on()
else:
self._logger.info("Syren off")
self._is_alerting = False
self._output.off()
@property
def is_alerting(self):
return self._is_alerting
class Motor(CompositeDevice):
forward_direction = 0
backward_direction = 1
def __init__(self, in1, in2, pwm):
self._in1 = DigitalOutputDevice(pin=in1)
self._in2 = DigitalOutputDevice(pin=in2)
self._pwm = PWMOutputDevice(pin=pwm)
self._speed = 0
# self._direction = None
super(Motor, self).__init__()
# @property
# def direction(self):
# return self._direction
@property
def speed(self):
return self._speed
@speed.setter
def speed(self, speed):
if not speed:
return
self._speed = speed
def forward(self, speed=None):
self.speed = speed
self._in1.on()
self._in2.off()
self._pwm.value = self.speed
# self._direction = self.forward_direction
def backward(self, speed=None):
self.speed = speed
self._in1.off()
self._in2.on()
self._pwm.value = self.speed
# self._direction = self.backward_direction
def coast(self):
self._in1.on()
self._in2.on()
def stop(self):
self._in1.off()
self._in2.off()