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allsensors.py.old
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#!/usr/bin/env python
# original source: http://github.com/adafruit/Tweet-a-Watt/blob/master/wattcher.py
# tps, 03.14.2011 - fix for data output spikes
print "Sensor Manager..."
# print "Tinaja Labs, Winter 2011 - spike fix"
# print "Tinaja Labs, May 4th, 2011 - Multi-sensor, ThingSpeak"
print "Tinaja Labs, June 6th, 2011 - Multi-sensor, ThingSpeak setup"
print "--------------------------------------------"
import serial, time, datetime, sys, random, math
import syslog
from xbee import XBee
import twitter
import sensorhistory
# CJ, 03.12.2011, added these to send feeds to Sen.se
import urllib, urllib2, httplib
import simplejson
print "imported simplejson lib..."
from suds.client import Client
print "imported suds client lib..."
# For Pachube
import eeml
print "imported eeml lib..."
SERIALPORT = "/dev/tts/0" # the com/serial port the XBee is connected to
BAUDRATE = 9600 # the baud rate we talk to the xbee
CURRENTSENSE = 4 # which XBee ADC has current draw data
VOLTSENSE = 0 # which XBee ADC has mains voltage data
MAINSVPP = 170 * 2 # +-170V is what 120Vrms ends up being (= 120*2sqrt(2))
# Calibration for sensor #0
# Calibration for sensor #1
# Calibration for sensor #3
# Calibration for sensor #4
# Calibration for sensor #5
# etc... approx ((2.4v * (10Ko/14.7Ko)) / 3
vrefcalibration = [0,
488,
0,
487,
485,
0,
0,
0,
0,
0,
0,
0,
486]
CURRENTNORM = 15.5 # conversion to amperes from ADC
TINAJALOGURL = "http://jumano.com/tinajadl/datalogger.asmx"
PACHUBE_KEY = "e7d7befa77e795a688c5d0b6c7a3ddef95012e2e2e57062be4c7d175d2901651"
# CJ, 03.12.2011, added these to send feeds to Sen.se
SENSEURL = "http://api.sen.se/events/?sense_key="
# SENSE_KEY = "3aDtyWpZYcgXCYpDM5az_A"
SENSE_KEY = "pdd-cRQmZiaJxFz-KmbApQ"
# CJ, 05.04.2011, added these for ThingSpeak.com
THINGSPEAKURL = "api.thingspeak.com"
# THINGSPEAKURL = "http://184.106.153.149"
THINGSPEAK_KEY = "U493V3CHYJS9N9FP"
# data logger settings (uses suds libs)
TINAJALOGURL = "http://jumano.com/tinajadl/datalogger.asmx"
logwsdl = TINAJALOGURL + "?wsdl"
client = Client(logwsdl)
# Twitter credentials
twitterusername = "christweetawatt"
twitterpassword = "hello1"
# open up the FTDI serial port to get data transmitted to xbee
try:
ser = serial.Serial(SERIALPORT, BAUDRATE)
ser.open()
print "TLSM - serial port opened..."
syslog.syslog("TLSM.opening: serial port opened...")
except Exception, e:
print "Serial port exception: "+str(e)
syslog.syslog("TLSM.opening exception: serial port: "+str(e))
exit
# detect command line arguments
DEBUG = False
if (sys.argv and len(sys.argv) > 1):
if sys.argv[1] == "-d":
DEBUG = True
# set up twitter timer
twittertimer = time.time()
twittertimer = 0
##############################################################
# the main function
def mainloop(idleevent):
global sensorhistories, twittertimer, DEBUG, PACHUBE_KEY
# grab one packet from the xbee, or timeout
try:
packet = xbee.find_packet(ser)
if not packet:
# print " no serial packet found... "+ time.strftime("%Y %m %d, %H:%M")
# syslog.syslog("TLSM.mainloop exception: no serial packet found..." )
return
except Exception, e:
print "TLSM.mainloop exception: Serial packet: "+str(e)
syslog.syslog("TLSM.mainloop exception: Serial packet: "+str(e))
return
try:
xb = xbee(packet) # parse the packet
if not xb:
print " no xb packet found..."
syslog.syslog("TLSM.mainloop exception: no xb packet found...")
return
except Exception, e:
print "TLSM.mainloop exception: xb packet: "+str(e)
syslog.syslog("TLSM.mainloop exception: xb packet: "+str(e))
return
# this traps an error when there is no address_16 attribute for xb
# why this happens is a mystery to me
try:
if xb.address_16 == 99:
return
except Exception, e:
print "xb attribute (address_16) exception: "+str(e)
syslog.syslog("TLSM.mainloop exception: xb attribute: "+str(e))
return
# print xb.address_16, " - ", time.strftime("%Y %m %d, %H:%M"), "rssi:", xb.rssi
# syslog.syslog(str(xb.address_16) +" - "+ time.strftime("%Y %m %d, %H:%M") + ", rssi: "+ str(xb.rssi))
# ------------------------------------------------------------------
# break out and do something for each device
# this should eventually be changed into an array or object class
# CJ, 03.12.2011, added SenseFeedKey to send feeds to Sen.se
if xb.address_16 == 12: # tweetawatt sensor
tLogApiKey = "" # Ctr5g3lD
PachubeLogKey = "25293"
SenseFeedKey = "0"
ThingSpeakKey = ""
avgwatt = calcwatts(xb)
sensorhistory = sensorhistories.find(xb.address_16)
addwhistory(sensorhistory, avgwatt)
fiveminutelog(sensorhistory, tLogApiKey, PachubeLogKey, SenseFeedKey, ThingSpeakKey, 100, xb.rssi, 0)
elif xb.address_16 == 1: # tweetawatt sensor
tLogApiKey = "9HP6r8st"
PachubeLogKey = "9666"
SenseFeedKey = "0"
ThingSpeakKey = ""
avgwatt = calcwatts(xb)
sensorhistory = sensorhistories.find(xb.address_16)
addwhistory(sensorhistory, avgwatt)
fiveminutelog(sensorhistory, tLogApiKey, PachubeLogKey, SenseFeedKey, ThingSpeakKey, 100, xb.rssi, 0)
# twittertimer = twitterwatts(60, twittertimer, xb)
elif xb.address_16 == 2: # temp sensor
tLogApiKey = "iaZPQRKw"
PachubeLogKey = "9709"
SenseFeedKey = "2271"
ThingSpeakKey = ""
thisTemp = calctemp(xb)
sensorhistory = sensorhistories.find(xb.address_16)
addunithistory(sensorhistory, thisTemp)
fiveminutelog(sensorhistory, tLogApiKey, PachubeLogKey, SenseFeedKey, ThingSpeakKey, 120, xb.rssi,0)
# twittertimer = twitterwatts(60, twittertimer, xb)
elif xb.address_16 == 3: # tweetawatt sensor
tLogApiKey = "vugrnERq"
PachubeLogKey = "9668"
SenseFeedKey = "0"
ThingSpeakKey = ""
avgwatt = calcwatts(xb)
sensorhistory = sensorhistories.find(xb.address_16)
addwhistory(sensorhistory, avgwatt)
fiveminutelog(sensorhistory, tLogApiKey, PachubeLogKey, SenseFeedKey, ThingSpeakKey, 200, xb.rssi,0)
# twittertimer = twitterwatts(60, twittertimer, xb)
elif xb.address_16 == 4: # tweetawatt sensor
tLogApiKey = "qPCCSIra"
PachubeLogKey = "9669"
SenseFeedKey = "0"
ThingSpeakKey = ""
avgwatt = calcwatts(xb)
sensorhistory = sensorhistories.find(xb.address_16)
addunithistory(sensorhistory, avgwatt)
fiveminutelog(sensorhistory, tLogApiKey, PachubeLogKey, SenseFeedKey, ThingSpeakKey, 500, xb.rssi,0)
# twittertimer = twitterwatts(60, twittertimer, xb)
elif xb.address_16 == 5: # Gas Sensor
tLogApiKey = "hRpehiQ3"
PachubeLogKey = "10267"
SenseFeedKey = "0"
ThingSpeakKey = ""
avgunit = calcgas(xb)
sensorhistory = sensorhistories.find(xb.address_16)
addunithistory(sensorhistory, avgunit)
fiveminutelog(sensorhistory, tLogApiKey, PachubeLogKey, SenseFeedKey, ThingSpeakKey, 500, xb.rssi,0)
# twittertimer = twitterwatts(60, twittertimer, xb)
elif xb.address_16 == 6: # FSR - Force Sensitive Resister
tLogApiKey = "odXi4cL7"
PachubeLogKey = "10258"
SenseFeedKey = "0"
ThingSpeakKey = ""
avgunit = calcfsr(xb)
sensorhistory = sensorhistories.find(xb.address_16)
addunithistory(sensorhistory, avgunit)
fiveminutelog(sensorhistory, tLogApiKey, PachubeLogKey, SenseFeedKey, ThingSpeakKey, 1023, xb.rssi,0)
# twittertimer = twitterwatts(60, twittertimer, xb)
elif xb.address_16 == 7: # Multi-Sensor
tLogApiKey = ""
SenseFeedKeys = [0,0,0,0]
PachubeLogKey = "24660"
ThingSpeakKey = "604"
adcinputs = [0,1,2,3]
for i in range(len(adcinputs)):
cXbeeAddr = str(xb.address_16)
cXbeeAdc = str(adcinputs[i])
adcSensorNum = int(cXbeeAddr + cXbeeAdc)
avgunit = getmVolts(xb,adcinputs[i])
if adcinputs[i] == 1:
avgunit = calctemp(xb)
SenseFeedKey = str(SenseFeedKeys[i])
# print "adcSensorNum", adcSensorNum, avgunit
sensorhistory = sensorhistories.find(adcSensorNum)
addunithistory(sensorhistory, avgunit)
fiveminutelog(sensorhistory, tLogApiKey, PachubeLogKey, SenseFeedKey, ThingSpeakKey, 1023, xb.rssi, adcinputs[i])
elif xb.address_16 == 8: # Multi-Sensor
tLogApiKey = ""
SenseFeedKeys = [0,0,0,0]
PachubeLogKey = "25131"
ThingSpeakKey = ""
adcinputs = [0,1,2,3]
for i in range(len(adcinputs)):
cXbeeAddr = str(xb.address_16)
cXbeeAdc = str(adcinputs[i])
adcSensorNum = int(cXbeeAddr + cXbeeAdc)
avgunit = getmVolts(xb,adcinputs[i])
if adcinputs[i] == 1:
avgunit = calctemp(xb)
SenseFeedKey = str(SenseFeedKeys[i])
# print "adcSensorNum", adcSensorNum, avgunit
sensorhistory = sensorhistories.find(adcSensorNum)
addunithistory(sensorhistory, avgunit)
fiveminutelog(sensorhistory, tLogApiKey, PachubeLogKey, SenseFeedKey, ThingSpeakKey, 1023, xb.rssi, adcinputs[i])
elif xb.address_16 == 9: # Multi-Sensor
tLogApiKey = ""
SenseFeedKeys = [0,0,0,0]
PachubeLogKey = "25133"
ThingSpeakKey = ""
adcinputs = [0,1,2,3]
for i in range(len(adcinputs)):
cXbeeAddr = str(xb.address_16)
cXbeeAdc = str(adcinputs[i])
adcSensorNum = int(cXbeeAddr + cXbeeAdc)
avgunit = getmVolts(xb,adcinputs[i])
if adcinputs[i] == 1:
avgunit = calctemp(xb)
SenseFeedKey = str(SenseFeedKeys[i])
# print "adcSensorNum", adcSensorNum, avgunit
sensorhistory = sensorhistories.find(adcSensorNum)
addunithistory(sensorhistory, avgunit)
fiveminutelog(sensorhistory, tLogApiKey, PachubeLogKey, SenseFeedKey, ThingSpeakKey, 1023, xb.rssi, adcinputs[i])
elif xb.address_16 == 10: # Multi-Sensor
tLogApiKey = ""
SenseFeedKeys = [0,0,0,0]
PachubeLogKey = "25134"
ThingSpeakKey = ""
adcinputs = [0,1,2,3]
for i in range(len(adcinputs)):
cXbeeAddr = str(xb.address_16)
cXbeeAdc = str(adcinputs[i])
adcSensorNum = int(cXbeeAddr + cXbeeAdc)
avgunit = getmVolts(xb,adcinputs[i])
if adcinputs[i] == 1:
avgunit = calctemp(xb)
SenseFeedKey = str(SenseFeedKeys[i])
# print "adcSensorNum", adcSensorNum, avgunit
sensorhistory = sensorhistories.find(adcSensorNum)
addunithistory(sensorhistory, avgunit)
fiveminutelog(sensorhistory, tLogApiKey, PachubeLogKey, SenseFeedKey, ThingSpeakKey, 1023, xb.rssi, adcinputs[i])
elif xb.address_16 == 11: # Multi-Sensor
tLogApiKey = ""
SenseFeedKeys = [0,0,0,0]
PachubeLogKey = "25135"
ThingSpeakKey = ""
adcinputs = [0,1,2,3]
for i in range(len(adcinputs)):
cXbeeAddr = str(xb.address_16)
cXbeeAdc = str(adcinputs[i])
adcSensorNum = int(cXbeeAddr + cXbeeAdc)
avgunit = getmVolts(xb,adcinputs[i])
if adcinputs[i] == 1:
avgunit = calctemp(xb)
SenseFeedKey = str(SenseFeedKeys[i])
# print "adcSensorNum", adcSensorNum, avgunit
sensorhistory = sensorhistories.find(adcSensorNum)
addunithistory(sensorhistory, avgunit)
fiveminutelog(sensorhistory, tLogApiKey, PachubeLogKey, SenseFeedKey, ThingSpeakKey, 1023, xb.rssi, adcinputs[i])
elif xb.address_16 == 15: # Multi-Sensor
tLogApiKey = ""
SenseFeedKeys = [0,0,0,0]
PachubeLogKey = "29631"
ThingSpeakKey = ""
adcinputs = [0,1,2,3]
for i in range(len(adcinputs)):
cXbeeAddr = str(xb.address_16)
cXbeeAdc = str(adcinputs[i])
adcSensorNum = int(cXbeeAddr + cXbeeAdc)
avgunit = getmVolts(xb,adcinputs[i])
if adcinputs[i] == 1:
avgunit = calctemp(xb)
SenseFeedKey = str(SenseFeedKeys[i])
# print "adcSensorNum", adcSensorNum, avgunit
sensorhistory = sensorhistories.find(adcSensorNum)
addunithistory(sensorhistory, avgunit)
fiveminutelog(sensorhistory, tLogApiKey, PachubeLogKey, SenseFeedKey, ThingSpeakKey, 1023, xb.rssi, adcinputs[i])
elif xb.address_16 == 16: # Multi-Sensor
tLogApiKey = ""
SenseFeedKeys = [0,3230,3231,0]
PachubeLogKey = ""
ThingSpeakKey = ""
adcinputs = [0,1,2,3]
for i in range(len(adcinputs)):
cXbeeAddr = str(xb.address_16)
cXbeeAdc = str(adcinputs[i])
adcSensorNum = int(cXbeeAddr + cXbeeAdc)
avgunit = getmVolts(xb,adcinputs[i])
if adcinputs[i] == 1:
avgunit = calctemp(xb)
SenseFeedKey = str(SenseFeedKeys[i])
# print "adcSensorNum", adcSensorNum, avgunit
sensorhistory = sensorhistories.find(adcSensorNum)
addunithistory(sensorhistory, avgunit)
fiveminutelog(sensorhistory, tLogApiKey, PachubeLogKey, SenseFeedKey, ThingSpeakKey, 1023, xb.rssi, adcinputs[i])
elif xb.address_16 == 17: # Multi-Sensor
tLogApiKey = ""
SenseFeedKeys = [0,3232,3233,0]
PachubeLogKey = ""
ThingSpeakKey = ""
adcinputs = [0,1,2,3]
for i in range(len(adcinputs)):
cXbeeAddr = str(xb.address_16)
cXbeeAdc = str(adcinputs[i])
adcSensorNum = int(cXbeeAddr + cXbeeAdc)
avgunit = getmVolts(xb,adcinputs[i])
if adcinputs[i] == 1:
avgunit = calctemp(xb)
SenseFeedKey = str(SenseFeedKeys[i])
# print "adcSensorNum", adcSensorNum, avgunit
sensorhistory = sensorhistories.find(adcSensorNum)
addunithistory(sensorhistory, avgunit)
fiveminutelog(sensorhistory, tLogApiKey, PachubeLogKey, SenseFeedKey, ThingSpeakKey, 1023, xb.rssi, adcinputs[i])
else:
return
# sub-routines
##############################################################
def twitterwatts(lapseMins, twittertimer, loXB):
# We're going to twitter at midnight, 8am and 4pm
# Determine the hour of the day (ie 6:42 -> '6')
currhour = datetime.datetime.now().hour
# twitter every 8 hours
# if (((time.time() - twittertimer) >= 3660.0) and (currhour % 8 == 0)):
return time.time()
if (((time.time() - twittertimer) >= 3660.0) and (currhour % 8 == 0)):
print "twittertime!!!"
twittertimer = time.time();
if not LOGFILENAME:
message = appengineauth.gettweetreport()
else:
# sum up all the sensors' data
wattsused = 0
whused = 0
for history in sensorhistories.sensorhistories:
wattsused += history.avgwattover5min()
whused += history.dayswatthr
message = "Sensor "+str(loXB.address_16)+" is reporting "+str(int(wattsused))+" Watts, #tweetawatt"
# write something ourselves
if message:
print message, " - time to twitterit..."
twitterit(twitterusername, twitterpassword, message)
return ttimer
##############################################################
def fiveminutelog(loSensorHistory, LogApiKey, PachubeLogKey, SenseLogKey, cThingSpeakKey, lnPachubeMaxVal, xbRssi, adcinput):
# Determine the minute of the hour (ie 6:42 -> '42')
# currminute = (int(time.time())/60) % 10
currminute = (int(time.time())/60) % 5
fiveminutetimer = loSensorHistory.fiveminutetimer
# Figure out if its been five minutes since our last save
if (((time.time() - fiveminutetimer) >= 60.0) and (currminute % 5 == 0)):
# print " . 5min test: time.time()=", time.time(), " fiveminutetimer=", fiveminutetimer, "currminute=", currminute, " currminute % 5: ", currminute % 5
# units used in last 5 minutes
sensornum = loSensorHistory.sensornum
avgunitsused = loSensorHistory.avgunitsover5min()
# print "\n"
# print "TLSM.fiveminutelog: " + time.strftime("%Y %m %d, %H:%M")+": Sensor# "+str(sensornum)+" has averaged: "+str(avgunitsused)
syslog.syslog("TLSM.fiveminutelog: Sensor# "+str(sensornum)+" has averaged: "+str(avgunitsused))
lnStartLogging = time.time()
# log to the local CSV file
logtocsv(sensornum, avgunitsused, logfile)
print " #",sensornum,"time to CSV =", time.time() - lnStartLogging
lnStartLogging = time.time()
# send to the tinaja data logger
# logtotinaja(sensornum, avgunitsused, LogApiKey)
print " #",sensornum,"time to TDL =", time.time() - lnStartLogging
lnStartLogging = time.time()
# send to the pachube data logger
logtopachube(sensornum, avgunitsused, PachubeLogKey, lnPachubeMaxVal, xbRssi, adcinput)
print " #",sensornum,"time to PDL =", time.time() - lnStartLogging
# CJ, 03.12.2011, added logtosense() to send feeds to Sen.se
lnStartLogging = time.time()
# send to the sen.se data logger
logtosense(sensornum, avgunitsused, SenseLogKey)
print " #",sensornum,"time to SDL =", time.time() - lnStartLogging
# CJ, 05.04.2011, added logtothing() to send feeds to ThingSpeak
lnStartLogging = time.time()
# send to the ThingSpeak data logger
logtothing(sensornum, avgunitsused, cThingSpeakKey, adcinput)
print " #",sensornum,"time to TSDL=", time.time() - lnStartLogging
# Reset the 5 minute timer
loSensorHistory.reset5mintimer()
##############################################################
# log to Pachube.com
def logtopachube(lnSensorNum, lnAvgUnits, ApiFeedXML, lnMaxVal, rssi, thisAdc):
# Send Data to Pachube
feedUrl = "/api/" + ApiFeedXML + ".xml"
pac = eeml.Pachube(feedUrl, PACHUBE_KEY)
# pac.update(eeml.Data(0, lnAvgUnits, minValue=0, maxValue=None, unit=eeml.Unit(name='watt', type='derivedSI', symbol='W')))
# pac.update(eeml.Data(0, lnAvgUnits, minValue=0, maxValue=lnMaxVal))
pac.update(eeml.Data(thisAdc, lnAvgUnits, minValue=0, maxValue=lnMaxVal))
try:
retVal = pac.put()
# print "eeml update status: "+str(retVal)
# print "Sensor# ", lnSensorNum, "logged ", lnAvgUnits, " to Pachube feed: ", ApiFeedXML
except Exception, e:
print "TLSM.logtopachube - eeml exception: "+str(e)
syslog.syslog("TLSM.logtopachube exception: eeml: "+str(e))
# update pachube with the rssi (signal strength) of the xbee sensor
pac = eeml.Pachube("/api/9982.xml", PACHUBE_KEY)
pac.update(eeml.Data(lnSensorNum, rssi, minValue=0, maxValue=100))
try:
retVal = pac.put()
# print "eeml update status: "+str(retVal)
# print "Sensor# ", lnSensorNum, "logged ", rssi, " dB to a Pachube signal strength feed: ", ApiFeedXML
except Exception, e:
print "TLSM.logtopachube - eeml exception: "+str(e)
syslog.syslog("TLSM.logtopachube exception: eeml: "+str(e))
##############################################################
# log to Sen.se
# CJ, 03.12.2011, added logtosense() to send feeds to Sen.se
def logtosense(lnSensorNum, lnAvgUnits, ApiFeedKey):
if ApiFeedKey == "":
return
if ApiFeedKey == "0":
return
# Send Data to Sen.se
feedUrl = SENSEURL + SENSE_KEY
try:
# define a Python data dictionary
data = {'feed_id': ApiFeedKey, 'value': lnAvgUnits}
data_json = simplejson.dumps(data)
req = urllib2.Request(feedUrl, data_json, {'content-type': 'application/json'})
response_stream = urllib2.urlopen(req)
response = response_stream.read()
print response
except:
print "Couldn't connect to ", feedUrl
syslog.syslog("TLSM.logtosense exception: Couldn't connect to " + feedUrl)
##############################################################
# log to ThingSpeak
# CJ, 05.04.2011, added logtothing() to send feeds to ThingSpeak
# http://api.thingspeak.com/update?key=U493V3CHYJS9N9FP&field1=0
# fieldnum = the ADC pin number (0,1,2,3) which will correspond to fields (1,2,3,4) in Thingspeak
def logtothing(lnSensorNum, lnAvgUnits, lcThingSpeakKey, fieldnum):
if lcThingSpeakKey == "":
return
# Send Data to ThingSpeak
feedUrl = THINGSPEAKURL + ":80"
# feedUrl = THINGSPEAKURL
fieldname = "field" + str(fieldnum +1)
try:
# define a Python data dictionary
# print "before setup"
params = urllib.urlencode({fieldname : lnAvgUnits,'key':'U493V3CHYJS9N9FP'})
headers = {"Content-type": "application/x-www-form-urlencoded","Accept": "text/plain"}
conn = httplib.HTTPConnection(feedUrl)
# print "before conn.request"
conn.request("POST", "/update", params, headers)
# print "before response"
response = conn.getresponse()
data = response.read()
# print "ThingSpeak response", data
conn.close()
except Exception, e:
print "Exception: ", feedUrl, " - ", str(e)
syslog.syslog("TLSM.logtothing exception: " + feedUrl + " - " + str(e))
##############################################################
# log to the local CSV file
def logtocsv(lnSensorNum, lnAvgUnits, loLogfile):
# Lets log it! Seek to the end of our log file
if loLogfile:
loLogfile.seek(0, 2) # 2 == SEEK_END. ie, go to the end of the file
loLogfile.write(time.strftime("%Y %m %d, %H:%M")+", "+
str(lnSensorNum)+", "+
str(lnAvgUnits)+"\n")
loLogfile.flush()
# print "Sensor# ", lnSensorNum, "logged ", lnAvgUnits, " to ", loLogfile.name
##############################################################
# log to the SOAP based Tinaja data logger service
def logtotinaja(lnSensorNum, lnLogVal, apiKey):
if apiKey == "":
return
# print lnLogVal, apiKey
try:
insertResult = client.service.insertLog(apiKey, lnLogVal)
# Inserted all right?
if insertResult == "Inserted":
what= ""
# print "Data inserted OK"
# print "Sensor# ", lnSensorNum, "logged ", lnLogVal, " to Tinaja data logger: ", apiKey
else:
print "Error:", insertResult
except:
print "Couldn't connect to ", TINAJALOGURL
syslog.syslog("TLSM.logtotinaja exception: Couldn't connect to " + TINAJALOGURL)
##############################################################
def twitterit(u, p, message):
api = twitter.Api(username=u, password=p)
print "Logging on with: ", u , " - ", p
try:
status = api.PostUpdate(message)
print "%s just posted: %s" % (status.user.name, status.text)
except UnicodeDecodeError:
print "Your message could not be encoded. Perhaps it contains non-ASCII characters? "
print "Try explicitly specifying the encoding with the it with the --encoding flag"
except:
print "Couldn't connect, check network, username and password!"
##############################################################
def addwhistory(loSensHist, newunits):
# 03.14.2011, CJ - chgd to match addunithistory()
loSensHist.lasttime = time.time() # Note time of last data acquisition
loSensHist.addvalue(newunits) # Accumulate data point to be averaged
## Add Watthr to sensorhistory
## add up the delta-watthr used since last reading
## Figure out how many watt hours were used since last reading
#elapsedseconds = time.time() - loSensHist.lasttime
#dwatthr = (newwatts * elapsedseconds) / (60.0 * 60.0) # 60 seconds in 60 minutes = 1 hr
#loSensHist.lasttime = time.time()
# print ">> Wh used by ",loSensHist.sensornum," in last ",elapsedseconds," seconds: ",dwatthr
#loSensHist.addwatthr(dwatthr)
##############################################################
def addunithistory(loSensHist, newunits):
# 02.18.2011 tps Accumulate data point that will count toward 5 minute average.
loSensHist.lasttime = time.time() # Note time of last data acquisition
loSensHist.addvalue(newunits) # Accumulate data point to be averaged
## Add newunits to sensorhistory
## add up the newunits used since last reading
## Figure out how many units were used since last reading
#elapsedseconds = time.time() - loSensHist.lasttime
#thisvalue = (newunits * elapsedseconds) / (60.0 * 60.0) # 60 seconds in 60 minutes = 1 hr
#loSensHist.lasttime = time.time()
## print ">> Units used by ",loSensHist.sensornum," in last ",elapsedseconds," seconds: ",thisvalue
##############################################################
def calctemp(xb):
try:
mVolts = xb.analog_samples[0][1] # Report the millivolts from the TMP36
except Exception, e:
print "calctemp exception: "+str(e)
syslog.syslog("TLSM.calctemp exception: "+str(e))
return 0
# tempC = mVolts * 0.1 # Convert millivolts to Celcius
voltage = mVolts * 3.3 / 1024 # Convert millivolts to Celcius
tempC = (voltage - .5) * 100 # Convert millivolts to Celcius
tempF = math.floor(tempC * 9 / 5 + 32) # Convert to Fehrenheit
# Print formated tempurature readings
# print tempC, "C \t", tempF, "F - ", mVolts, voltage
return tempF
##############################################################
def getmVolts(xb, Adc):
# xb = the xbee object
# Adc = Analog/Digital converted number [0,1,2,3]
try:
mV = xb.analog_samples[0][Adc] # Report the millivolts from the defined Adc input
except Exception, e:
print "getmVolts exception: "+str(e)
syslog.syslog("TLSM.getmVolts exception: "+str(e))
return 0
return mV
##############################################################
def calcfsr(xb):
try:
mVolts = xb.analog_samples[0][1] # Report the millivolts from the FSR
except Exception, e:
print "calcfsr exception: "+str(e)
syslog.syslog("TLSM.calcfsr exception: "+str(e))
return 0
pressure = mVolts
return pressure
##############################################################
def calcgas(xb):
try:
mVolts = xb.analog_samples[0][2] # Report the millivolts from the Gas Sensor
except Exception, e:
print "calcgas exception: "+str(e)
syslog.syslog("TLSM.calcgas exception: "+str(e))
return 0
# eventually we might want to determine a threshold and send a level like 0,1,2,3
gaslevel = mVolts
return gaslevel
##############################################################
def calcwatts(xb):
try:
# we'll only store n-1 samples since the first one is usually messed up
voltagedata = [-1] * (len(xb.analog_samples) - 1)
ampdata = [-1] * (len(xb.analog_samples ) -1)
# grab 1 thru n of the ADC readings, referencing the ADC constants
# and store them in nice little arrays
for i in range(len(voltagedata)):
voltagedata[i] = xb.analog_samples[i+1][VOLTSENSE]
ampdata[i] = xb.analog_samples[i+1][CURRENTSENSE]
# print "calcwatts: ", xb.address_16, voltagedata[i], ampdata[i], " | ", xb.analog_samples
# print "calcwatts: ", xb.address_16, voltagedata[i], ampdata[i]
# get max and min voltage and normalize the curve to '0'
# to make the graph 'AC coupled' / signed
min_v = 1024 # XBee ADC is 10 bits, so max value is 1023
max_v = 0
for i in range(len(voltagedata)):
if (min_v > voltagedata[i]):
min_v = voltagedata[i]
if (max_v < voltagedata[i]):
max_v = voltagedata[i]
# figure out the 'average' of the max and min readings
avgv = (max_v + min_v) / 2
# also calculate the peak to peak measurements
vpp = max_v-min_v
for i in range(len(voltagedata)):
#remove 'dc bias', which we call the average read
voltagedata[i] -= avgv
# We know that the mains voltage is 120Vrms = +-170Vpp
voltagedata[i] = (voltagedata[i] * MAINSVPP) / vpp
# normalize current readings to amperes
for i in range(len(ampdata)):
# VREF is the hardcoded 'DC bias' value, its
# about 492 but would be nice if we could somehow
# get this data once in a while maybe using xbeeAPI
if vrefcalibration[xb.address_16]:
ampdata[i] -= vrefcalibration[xb.address_16]
else:
ampdata[i] -= vrefcalibration[0]
# the CURRENTNORM is our normalizing constant
# that converts the ADC reading to Amperes
ampdata[i] /= CURRENTNORM
#print "Voltage, in volts: ", voltagedata
#print "Current, in amps: ", ampdata
# calculate instant. watts, by multiplying V*I for each sample point
wattdata = [0] * len(voltagedata)
for i in range(len(wattdata)):
wattdata[i] = voltagedata[i] * ampdata[i]
# sum up the current drawn over one 1/60hz cycle
avgamp = 0
# 16.6 samples per second, one cycle = ~17 samples
# close enough for govt work :(
for i in range(17):
avgamp += abs(ampdata[i])
avgamp /= 17.0
# sum up power drawn over one 1/60hz cycle
avgwatt = 0
# 16.6 samples per second, one cycle = ~17 samples
for i in range(17):
avgwatt += abs(wattdata[i])
avgwatt /= 17.0
return avgwatt
except:
return 0
##############################################################
def islogcurrent(lofilename):
if lofilename == None:
return false
TimeStamp = "%s" % (time.strftime("%Y%m%d"))
checkname = "/opt/www/tinajalog"+TimeStamp+".csv"
if lofilename == checkname:
return True
else:
return False
##############################################################
def getlogfile():
# open our datalogging file
# CJ, 05.13.2011, included /logs/ directory under www
TimeStamp = "%s" % (time.strftime("%Y%m%d"))
# print "TimeStamp", TimeStamp
filename = "/opt/www/logs/tinajalog"+TimeStamp+".csv" # where we will store our flatfile data
lfile = None
try:
lfile = open(filename, 'r+')
except IOError:
# didn't exist yet
lfile = open(filename, 'w+')
lfile.write("#Date, time, sensornum, value\n");
lfile.flush()
return lfile
##############################################################
# put this at the end
# the 'main loop' runs once a second or so
# open our datalogging file
logfile = getlogfile()
print "Log file "+logfile.name+" opened..."
# load sensor history from the logfile
sensorhistories = sensorhistory.SensorHistories(logfile)
# print "Sensor history: ", sensorhistories
print "Sensor history loaded..."
syslog.syslog("<<< Starting the Tinaja Labs Sensor Manager (TLSM) >>>")
print "The main loop is starting..."
while True:
mainloop(None)
if islogcurrent(logfile.name) == False:
logfile = getlogfile()
# print "current log file=", logfile.name