Removed light sensor backend. As most of them are analog sensors, they can't communicate directly with the Raspberry - instead a plugin like serial (e.g. Arduino) or MCP3008 should act as a proxy

This commit is contained in:
Fabio Manganiello 2018-06-12 00:00:15 +02:00
parent 33a507f047
commit 0e3873eaf3

View file

@ -1,50 +0,0 @@
import time
import RPi.GPIO as gpio
from platypush.backend import Backend
from platypush.message.event.sensor.light import LightOnEvent, LightOffEvent
class SensorLightBackend(Backend):
state = None
def __init__(self, pin, threshold=0.5, poll_seconds=0.5, **kwargs):
super().__init__(**kwargs)
self.pin = pin
self.threshold = threshold
self.poll_seconds = poll_seconds
def send_message(self, msg):
pass
def get_state(self):
return self.state
def run(self):
super().run()
gpio.setmode(gpio.BCM)
gpio.setup(self.pin, gpio.IN)
self.logger.info('Initialized light sensor backend on pin {}'.format(self.pin))
try:
while not self.should_stop():
value = float(gpio.input(self.pin))
new_state = True if value >= self.threshold else False
if self.state is not None and new_state != self.state:
if new_state is True:
self.bus.post(LightOnEvent())
else:
self.bus.post(LightOffEvent())
self.state = new_state
time.sleep(self.poll_seconds)
finally:
gpio.cleanup()
# vim:sw=4:ts=4:et: