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bbb_domoticz.py
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#!/usr/bin/python
#-*- coding: utf-8 -*-
#2016-03-14:21:51
#
# Modified by Ulf Bengtner, 2015-06-14, to read all sensors from Domoticz.
#
# All sensors are mapped by Domoticz sensor id, IDX. The actual sensors used
# are read from a configuration file /home/pi/domoticz_sensors. They should be
# listed in the same order as the room names are specified in Behovsbobox
#
#
import urllib2,json,sys
#import urllib2,json
import datetime;
import time;
import sqlite3
import datetime
import logging, logging.handlers, argparse
import subprocess
import RPi.GPIO as GPIO
#GPIO general purpose input output
GPIO.setmode(GPIO.BOARD) # Board numbering mode, i.e. number refers to pin
GPIO.setwarnings(False)
#GPIO.setup(11,GPIO.OUT)
#GPIO.setup(13,GPIO.OUT)
#GPIO.setup(15,GPIO.OUT)
#GPIO.setup(29,GPIO.OUT)
#GPIO.setup(31,GPIO.OUT)
#GPIO.setup(33,GPIO.OUT)
#GPIO.setup(35,GPIO.OUT)
#GPIO.setup(37,GPIO.OUT)
#GPIO.setup(12,GPIO.OUT)
#GPIO.setup(16,GPIO.OUT)
#GPIO.setup(18,GPIO.OUT)
#GPIO.setup(22,GPIO.OUT)
#GPIO.setup(32,GPIO.OUT)
#GPIO.setup(36,GPIO.OUT)
#GPIO.setup(38,GPIO.OUT)
#GPIO.setup(40,GPIO.OUT)
#
# original pin-out Öland
#
GPIO.setup(26,GPIO.OUT)
GPIO.setup(24,GPIO.OUT)
GPIO.setup(21,GPIO.OUT)
GPIO.setup(19,GPIO.OUT)
GPIO.setup(23,GPIO.OUT)
GPIO.setup(11,GPIO.OUT)
GPIO.setup(12,GPIO.OUT)
GPIO.setup(15,GPIO.OUT)
WAIT=300 # Delay (s) between each cycle in control loop
DOMOTICZ_IN=1 # Set this variable to 1 to read temperatures from Domoticz, otherwise 0
DOMOTICZ_OUT=0 # Set this variable to 1 to control valves from Domoticz, otherwise 0
DOMOTICZ_URL="bobox.dyndns.org:8085" # URL to Domoticz server - use 127.0.0.1 for local
USERNAME = 'ubee' # update username and password to what is defined in Domoticz
PASSWORD = 'xyz'
LOGFILE = '/var/log/bbb/bbb_domoticz.log'
def tracefunc(frame, event, arg, indent=[0]):
calltrace=""
if event == "call":
indent[0] += 2
logger.debug("-" * indent[0] + "> call function +%s",frame.f_code.co_name)
elif event == "return":
logger.debug("-" * indent[0] + "exit function +%s",frame.f_code.co_name)
indent[0] -= 2
return tracefunc
#
# The control loop reads those sensors (slaves). The control loop stop
# when id is 0
#
# If Domoticz is used for control, the Domoticz idx is read from Domoticz. Otherwise configure with 1w id:s
#
#
# sensors[0] - first room
# sensors[1] - second room
# ...
#
sensors = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
#
#sensors = ["28-00000662b340","28-000006636be0","28-00000663000e","28-00000558923e","28-000006636545","28-0000066355d5","28-00000663137f",0,0,0,0,0,0,0,0,0]
#
#
# array of rooms holding the setpoint values we want
#
setpoints = [0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15]
#
#
# the temperature value we read in each room
#
actualTemp = [0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15]
#
#
# The GPIO pin used to control the valve for each room
# With Domoticz control, the value is configured and read from Domoticz. The number corresponds to the IDX of the associated
# switch controlling a defined pin
#
pins = [26,24,21,19,23,11,12,15,0,0,0,0,0,0,0,0]
#
# define logging handler
#
parser = argparse.ArgumentParser( description='BehovsBoBoxen Control daemon' )
parser.add_argument("-v", "--verbose", help="Logging verbose", action="store_true")
args = parser.parse_args()
if args.verbose:
logging.basicConfig(level=logging.DEBUG)
else:
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)
# create a file handler
handler = logging.handlers.RotatingFileHandler(LOGFILE,maxBytes=200000,backupCount=10)
#
# set level
#
handler.setLevel(logging.DEBUG) # Do not change this!
# create a logging format
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
handler.setFormatter(formatter)
# add the handlers to the logger
logger.addHandler(handler)
logger.info("BehovsBoBoxen control system: bbb_domoticz.py starting up")
#
# Uncomment this line for extensive tracing
#
# sys.settrace(tracefunc)
if DOMOTICZ_IN or DOMOTICZ_OUT:
#
# build authenticate string to access Domoticz server
#
p = urllib2.HTTPPasswordMgrWithDefaultRealm()
p.add_password(None, DOMOTICZ_URL, USERNAME, PASSWORD)
handler = urllib2.HTTPBasicAuthHandler(p)
opener = urllib2.build_opener(handler)
urllib2.install_opener(opener)
if DOMOTICZ_IN:
#
# Find all temperature sensors in Domoticz and populate sensors array
#
url= "http://"+DOMOTICZ_URL+"/json.htm?type=devices&filter=temp&used=true&order=Name"
logger.debug('Reading from %s',url)
try:
response=urllib2.urlopen(url)
data=json.loads(response.read())
logger.debug('Response is %s',json.dumps(data, indent=4, sort_keys=True))
for i in range(len(data["result"])):
a=data["result"][i]["Description"]
ini=a.find('%room')
if ini != -1:
ini=ini+6
rIndex=int(a[ini:])
logger.info('Configure room id %s with Domoticz sensor idx: %s', rIndex, data["result"][i]["idx"])
sensors[rIndex]=data["result"][i]["idx"]
except URLError:
logger.warning('Cannot connect to Domoticz server %s', url)
#
# end if DOMOTICZ_IN
#
if DOMOTICZ_OUT:
#
# Find all swítches that control valves in Domoticz and populate output array
#
url= "http://"+DOMOTICZ_URL+"/json.htm?type=devices&filter=light&used=true&order=Name"
logger.debug('Reading from %s',url)
response=urllib2.urlopen(url)
# response=urllib.urlopen(url)
data=json.loads(response.read())
logger.debug('Response is %s',json.dumps(data, indent=4, sort_keys=True))
for i in range(len(data["result"])):
a=data["result"][i]["Description"]
ini=a.find('%room')
if ini != -1:
ini=ini+6
rIndex=int(a[ini:])
logger.info('Configure room id %s with Domoticz switch IDX %s',str(rIndex), data["result"][i]["idx"])
pins[rIndex]=data["result"][i]["idx"]
#
# end if DOMOTICZ_OUT
#
logger.info('======================================================================')
#################################################################################
#
# actualTemps()
#
# reads the temperatures in each room and returns array
#
# depending on the variable domoticz the temperatures are read through Domoticz
# or directly from 1-wire sensors.
#
##################################################################################
def actualTemps(currentTemp,sensors):
basePath="/sys/bus/w1/devices/"
tailPath="/w1_slave"
newTemp=[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15]
readOK=True
i = 0
while i < 16 and sensors[i] != 0:
if DOMOTICZ_IN:
#
# Read devices in Domoticz
#
try:
url= "http://"+DOMOTICZ_URL+"/json.htm?type=devices&rid=" + str(sensors[i])
logger.debug('Reading from %s',url)
response=urllib2.urlopen(url)
data=json.loads(response.read())
logger.debug("Response is %s",json.dumps(data, indent=4, sort_keys=True))
except:
#
# no access to Domoticz server
# return old reading
#
readOK=False
logger.warning("No access to Domoticz server")
newTemp[i]=currentTemp[i]
if readOK :
try:
temperature = data ["result"][0]["Temp"]
logger.debug('Room index %s, temperature is %s', i, temperature)
newTemp[i] = (round(temperature,1))
except KeyError:
logger.warning("Domoticz sensor idx %s is not known!",sensors[i])
else:
#
# Read 1 wire sensors the old way
#
searchPath = basePath + sensors[i] + tailPath
logger.debug("Reading 1-wire from %s",searchPath)
try:
tfile = open(searchPath)
text = tfile.read()
tfile.close()
secondline = text.split("\n")[1]
temperaturedata = secondline.split(" ")[9]
temperature = float(temperaturedata[2:])
temperature = temperature / 1000
newTemp[i] = (round(temperature,1))
except IOError:
logger.warning("Domoticz 1-wire %s is not known!",sensors[i])
newTemp[i]=currentTemp[i]
logger.debug('Room index %s, temperature is %s', i, newTemp[i])
i = i + 1
return newTemp
######################################################################
#
# getdate()
#
# read actual time and date, removes microseconds
#
######################################################################
def getdate():
date = datetime.datetime.now()
return(unicode(date.replace(microsecond=0)))
######################################################################
#
# updateTempFile()
#
# Write actual temperatures in file
#
######################################################################
def updateTempFile(actualTemp):
file = open("/var/www/html/application/textfile/temperature.txt", "w")
file.write(getdate())
file.write("; ")
file.write('; '.join(map(str, actualTemp)))
file.close
######################################################################
#
# set_output()
#
# controls the specified GPIO.pin either through Domoticz or directly
#
######################################################################
def set_output(id, pin, value):
readOK=True
logger.info('Room id %s, GPIO id %s, output %s',id, pin,value)
if DOMOTICZ_OUT:
try:
if value:
url="http://"+DOMOTICZ_URL+"/json.htm?type=command¶m=switchlight&idx="+str(pin)+"&switchcmd=Off"
else:
url="http://"+DOMOTICZ_URL+"/json.htm?type=command¶m=switchlight&idx="+str(pin)+"&switchcmd=On"
logger.debug('Reading from %s',url)
response=urllib2.urlopen(url)
except:
readOK =False
logger.warning("No access to Domoticz server")
if readOK:
data=json.loads(response.read())
logger.debug('Response is %s',json.dumps(data, indent=4, sort_keys=True))
if data ["status"] != "OK" :
logger.warning("Domoticz switch idx %s is not known!",pin)
else:
GPIO.output(pin,value)
##########################################################################
#
# the control loop
#
#########################################################################
def main():
actualTemp = [0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15]
while 1 > 0:
#
# read actual temperatures and store in temporay file to be displayed by web service
#
actualTemp = actualTemps(actualTemp,sensors)
updateTempFile(actualTemp)
actualtime=datetime.datetime.now() #get time
actualhour=actualtime.hour #get hour
x = 0
while x < 16 and sensors[x] != 0:
#
# Get setpoints for room x from file
#
room = "room" + str(x)
string = "/var/www/html/application/textfile/" + room + ".txt"
logger.debug('Reading setpoints from room %s from file %s', x, string)
room = open(string, "r")
setpoints[x]=float(room.read().split(',')[actualhour])
room.close()
logger.info('Room id %s, Temperature: %s, Setpoint: %s ', x, actualTemp[x], setpoints[x])
if actualTemp[x] > setpoints[x]: set_output(x,pins[x],False)
if actualTemp[x] < setpoints[x]: set_output(x,pins[x],True)
logger.info('--------------------------------------------')
x = x + 1
time.sleep(WAIT)
try:
main()
except:
logger.exception("bbb_domoticz.py terminated");