mirror of
https://github.com/PiBrewing/craftbeerpi4.git
synced 2024-11-10 01:17:42 +01:00
106 lines
3.1 KiB
Python
106 lines
3.1 KiB
Python
# -*- coding: utf-8 -*-
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import asyncio
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import random
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import re
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import random
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from aiohttp import web
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from cbpi.api import *
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import os, re, threading, time
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from subprocess import call
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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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arr.append(dirname)
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return arr
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except:
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return []
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class ReadThread (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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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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time.sleep(1)
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@parameters([Property.Select(label="Sensor", options=getSensors()),
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Property.Number(label="offset",configurable = True, default_value = 0, description="Sensor Offset (Default is 0)"),
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Property.Select(label="Interval", options=[1,5,10,30,60], description="Interval in Seconds")])
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class OneWire(CBPiSensor):
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def __init__(self, cbpi, id, props):
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super(OneWire, self).__init__(cbpi, id, props)
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self.value = 200
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async def start(self):
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await super().start()
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self.name = self.props.get("Sensor")
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self.interval = self.props.get("Interval", 60)
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self.offset = float(self.props.get("offset",0))
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self.t = ReadThread(self.name)
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self.t.daemon = True
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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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async def stop(self):
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try:
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self.t.stop()
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self.running = False
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except:
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pass
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async def run(self):
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while self.running == True:
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self.TEMP_UNIT=self.get_config_value("TEMP_UNIT", "C")
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if self.TEMP_UNIT == "C": # Report temp in C if nothing else is selected in settings
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self.value = round((self.t.value + self.offset),2)
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else: # Report temp in F if unit selected in settings
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self.value = round((9.0 / 5.0 * self.t.value + 32 + self.offset), 2)
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self.log_data(self.value)
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self.push_update(self.value)
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await asyncio.sleep(self.interval)
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def get_state(self):
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return dict(value=self.value)
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def setup(cbpi):
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cbpi.plugin.register("OneWire", OneWire)
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try:
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# Global Init
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call(["modprobe", "w1-gpio"])
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call(["modprobe", "w1-therm"])
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except Exception as e:
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pass
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