mirror of
https://github.com/PiBrewing/craftbeerpi4.git
synced 2024-09-19 22:07:28 +02:00
120 lines
2.9 KiB
Python
120 lines
2.9 KiB
Python
# -*- coding: utf-8 -*-
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import asyncio
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import threading
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import time
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from aiohttp import web
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from cbpi.api import *
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import re
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import random
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def getSensors():
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try:
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arr = []
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for dirname in os.listdir('/sys/bus/w1/devices'):
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if (dirname.startswith("28") or dirname.startswith("10")):
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cbpi.app.logger.info("Device %s Found (Family: 28/10, Thermometer on GPIO4 (w1))" % dirname)
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arr.append(dirname)
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return arr
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except:
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return []
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class myThread (threading.Thread):
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value = 0
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def __init__(self, sensor_name):
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threading.Thread.__init__(self)
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self.value = 0
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self.sensor_name = sensor_name
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self.runnig = True
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def shutdown(self):
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pass
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def stop(self):
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self.runnig = False
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def run(self):
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while self.runnig:
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try:
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app.logger.info("READ TEMP")
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## Test Mode
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if self.sensor_name is None:
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return
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with open('/sys/bus/w1/devices/w1_bus_master1/%s/w1_slave' % self.sensor_name, 'r') as content_file:
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content = content_file.read()
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if (content.split('\n')[0].split(' ')[11] == "YES"):
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temp = float(content.split("=")[-1]) / 1000 # temp in Celcius
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self.value = temp
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except:
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pass
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self.value = random.randint(1,100)
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time.sleep(4)
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class DS18B20(CBPiSensor):
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sensor_name = Property.Select("Sensor", getSensors(), description="The OneWire sensor address.")
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offset = Property.Number("Offset", True, 0, description="Offset which is added to the received sensor data. Positive and negative values are both allowed.")
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interval = Property.Number(label="interval", configurable=True)
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# Internal runtime variable
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value = 0
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def init(self):
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super().init()
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self.state = True
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self.t = myThread(self.sensor_name)
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def shudown():
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shudown.cb.shutdown()
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shudown.cb = self.t
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self.t.start()
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def get_state(self):
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return self.state
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def get_value(self):
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return self.value
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def get_unit(self):
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return "°%s" % self.get_parameter("TEMP_UNIT", "C")
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def stop(self):
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try:
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self.t.stop()
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except:
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pass
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async def run(self, cbpi):
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self.value = 0
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while True:
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await asyncio.sleep(self.interval)
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self.value = random.randint(1,101)
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self.log_data(self.value)
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await cbpi.bus.fire("sensor/%s/data" % self.id, value=self.value)
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def setup(cbpi):
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'''
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This method is called by the server during startup
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Here you need to register your plugins at the server
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:param cbpi: the cbpi core
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:return:
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'''
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cbpi.plugin.register("DS18B20", DS18B20)
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