def uploadData():
client.loop()
print(temp.name())
# Read the temperature ten times, printing both the Celsius and
# equivalent Fahrenheit temperature, waiting one second between readings
#for i in range(0, 10):
celsius = temp.value()
fahrenheit = celsius * 9.0 / 5.0 + 32.0
print("%d degrees Celsius, or %d degrees Fahrenheit" \
% (celsius, fahrenheit))
time.sleep(1)
# Read values of the light sensor
lightLux = light.value()
print(light.name() + " raw value is %d" % light.raw_value() + \
", which is roughly %d" % light.value() + " lux")
time.sleep(1)
# Wait for Ait quality sensor to warm up - it takes about 3 minutes
print("Sensor is warming up for 3 minutes...")
for i in range(1, 4):
time.sleep(60)
print(i, "minute(s) passed.")
print("Sensor is ready!")
# Read values of Air quality sensor
airValue = airSensor.getSample()
ppm = airSensor.getPPM()
print("raw: %4d" % airValue, " ppm: %5.2f " % ppm, airQuality(airValue))
#Uploading data to Cayenne
print("Uploading data to Cayenne ...")
client.celsiusWrite(1, celsius)
client.luxWrite(2, lightLux)
client.virtualWrite(3, airValue)
def main():
print datetime.datetime.now()
#Canadians do Celcius
print ctrl.set_unit('f')
i = 0
timestamp = 0
while True:
#Cayenne kick
client.loop()
#Call every 10 seconds
if (time.time() > timestamp + 10):
#send the current temperature
client.celsiusWrite(1, ctrl.read_temp())
#send the set temperature
client.celsiusWrite(3, ctrl.send_command_async("read set temp"))
#send the run status
if (ctrl.anova_status() == 'stopped'): a_stat = 0
else: a_stat = 1
client.virtualWrite(2, a_stat)
#save last timestamp
timestamp = time.time()
def main():
try:
while True:
client.loop()
global timestamp
if (time.time() > timestamp + 10):
client.windspeedWrite(1, wind_km_float)
timestamp = time.time()
except KeyboardInterrupt:
GPIO.cleanup(23) # clean up GPIO on CTRL+C exit
GPIO.cleanup()
def on_message(message):
print("Message received: " + str(message))
#print("channel %s, topic %s, value %s" % (message.channel, message.topic, message.value))
# If there is an error processing the message return an error string, otherwise return nothing.
#if (True):
if (message["channel"]=="4") & (message["topic"]=="cmd"):
light_state = message.value
print("Set light to %s" % (message.value))
light.put_value(light_state)
client.virtualWrite(4, light_state, dataType="digital_actuator", dataUnit="d")
client.responseWrite(message.msg_id)
client.loop()
def dht():
print("\nInitializing DHT sensor...\n")
time.sleep(2)
while True:
client.loop()
humidity, temperature=Adafruit_DHT.read_retry(11,17)
if humidity is not None and temperature is not None:
client.celsiusWrite(1, temperature)
client.luxWrite(2, humidity)
print('Temp:{0:0.1f}*C Humidity: {1:0.1f}%'.format(temperature,humidity))
time.sleep(2)
else:
print("\nFailed to get reading...\n")
def main():
# Cayenne authentication info
MQTT_USERNAME = "******"
MQTT_PASSWORD = "******"
MQTT_CLIENT_ID = "cd803190-47fd-11ea-84bb-8f71124cfdfb"
client = cayenne.client.CayenneMQTTClient()
client.begin(MQTT_USERNAME, MQTT_PASSWORD, MQTT_CLIENT_ID)
# Initialise all variables
starttime = time.time()
temp, hum, nh3, no2, light, proxim, pressure, curTime = output()
oldTemp, oldHum, oldNh3, oldNo2, oldLight, oldProxim, oldPressure = temp, hum, nh3, no2, light, proxim, pressure
while True:
# Send values to Cayenne
client.loop()
client.celsiusWrite(1, temp)
client.virtualWrite(2, hum)
client.virtualWrite(3, no2)
client.virtualWrite(4, nh3)
client.luxWrite(5, light)
# client.virtualWrite(6, proxim)
# Filter inaccurate pressure readings
if (pressure < 700):
client.virtualWrite(7, oldPressure)
else:
client.virtualWrite(7, pressure)
oldPressure = pressure
save()
# Calculate how long the program has been running for
timeDiff = time.localtime(time.time() - starttime - 3600)
runTime = time.strftime("%H:%M", timeDiff)
display(light, curTime, runTime)
# Have the program send values once every minute
time.sleep(60.0 - ((time.time() - starttime) % 60.0))
# Update values
oldTemp, oldHum, oldNh3, oldNo2, oldLight, oldProxim = temp, hum, nh3, no2, light, proxim
temp, hum, nh3, no2, light, proxim, pressure, curTime = output()
#!/usr/bin/env python
import cayenne.client
import time
import logging
# Cayenne authentication info. This should be obtained from the Cayenne Dashboard.
MQTT_USERNAME = "******"
MQTT_PASSWORD = "******"
MQTT_CLIENT_ID = "CAYENNE_CLIENT_ID"
client = cayenne.client.CayenneMQTTClient()
client.begin(MQTT_USERNAME, MQTT_PASSWORD, MQTT_CLIENT_ID, loglevel=logging.INFO)
# For a secure connection use port 8883 when calling client.begin:
# client.begin(MQTT_USERNAME, MQTT_PASSWORD, MQTT_CLIENT_ID, port=8883, loglevel=logging.INFO)
i=0
timestamp = 0
while True:
client.loop()
if (time.time() > timestamp + 10):
client.celsiusWrite(1, i)
client.luxWrite(2, i*10)
client.hectoPascalWrite(3, i+800)
timestamp = time.time()
i = i+1
def produceData():
global current
global client
global light
# email configuration
sender_email = "Your Fridge <*****@*****.**>"
receiver_email = "*****@*****.**"
# threshold temp in C
EMAIL_FRIDGE_THRESH = 7
EMAIL_FREEZER_THRESH = -10
# time in seconds that threshold must be exceeded
EMAIL_THRESHOLD_TIME = 1200
# min alert email interval in seconds
EMAIL_ALERT_INTERVAL = 86400
# informative message template
text = """\
From: {}
To: {}
Subject: HIGH TEMPERATURE ALERT
Hi,
On {}, the fridge was {} deg C and the freezer was {} deg C.
Click http://10.0.0.8:8080/view?scale=day for more information.
"""
"""
thread to aquire samples continuously
"""
#file = open("/var/1w_files/log.csv", "a")
# bootstrap timers (take/send readings immediately on start)
timestamp = time.time() - 5
cayenne_timestamp = time.time() - 280
# create sensor/control objects, GPIO and 1wire
light = gpio_sensor.Gpio("gpio27")
switch = gpio_sensor.Gpio("gpio22")
ambient = temp_sensor.TempSensor("28-0000052f7386")
freezer = temp_sensor.TempSensor("28-0000055fc26e")
fridge = temp_sensor.TempSensor("28-0000052f91b1")
# timers for alarm threshold & alert rate limiting
threshold_timestamp = time.time()
last_alert_timestamp = 0 # send alert immediately after threshold time
while(True):
if (time.time()-timestamp) > 5.0 :
timestamp = time.time()
# grab temperature data. skip sensor in case of error
try:
ambient_temp = ambient.get_temperature()
except Exception:
pass
try:
freezer_temp = freezer.get_temperature()
except Exception:
pass
try:
# fridge thermometer has offset
#fridge_temp = fridge.get_temperature() - 3.333
# fridge temp offset dhanged 12/25/2019
fridge_temp = fridge.get_temperature() + 2.000
except Exception:
pass
light_state = light.get_value()
switch_state = switch.get_value()
# light control logic
FDefrost = freezer_temp >= -6.0 # defrost mode in freezer
FHigh = (freezer_temp < -6.0) & (freezer_temp > -15.0) # "high"
FLow = freezer_temp <= -15.0 # freezer temp is "low"
RHigh = fridge_temp > 8.0 # fridge temp is "high"
RBand = (fridge_temp <= 8.0) & (fridge_temp >= 1.5) # "band"
RLow = fridge_temp < 1.5 # fridge temp is "low"
Door = switch_state == 1
control = (FHigh & RBand) | RLow | Door
light_state = to_int(control)
light.put_value(light_state)
current = {
"time": timestamp,
"ambient": ambient_temp,
"freezer": freezer_temp,
"fridge": fridge_temp,
"light": light_state,
"switch": switch_state,
}
print("Producer: "),
print(current)
#update rrdtool database. rrdtool is used for webpage graphics
rrdtool.update("/var/1w_files/templog.rrd", \
"%d:%s:%s:%s:%s:%s" % (timestamp, \
ambient_temp, \
freezer_temp, \
fridge_temp, \
light_state, \
switch_state))
# update element in queue for socketserver
try:
q.get(False) # empty the old queue element
except Exception:
pass # queue was empty already
q.put(current, False) # insert new element
# log all data to file
#foo = ("%d,%s,%s,%s,%s\n") % ( current["time"], current["freezer"], current["fridge"], current["ambient"], current["light"] )
#file.write(foo)
#file.flush()
# update cayenne about every 5 minutes
if ((time.time() - cayenne_timestamp) > 300):
print("Publish to cayenne")
cayenne_timestamp = time.time()
client.celsiusWrite(1, ambient_temp)
client.celsiusWrite(2, freezer_temp)
client.celsiusWrite(3, fridge_temp)
client.virtualWrite(4, light_state, dataType="digital_actuator", dataUnit="d")
client.loop()
# check for alarm condition and possibly send email
if ( (freezer_temp < EMAIL_FREEZER_THRESH) and (fridge_temp < EMAIL_FRIDGE_THRESH) ):
# everything normal, reset threshold exceeded time to current time
threshold_timestamp = time.time()
else:
# we have a problem, maybe send email
if (( (time.time() - threshold_timestamp) > EMAIL_THRESHOLD_TIME) and (( time.time() - last_alert_timestamp) > EMAIL_ALERT_INTERVAL) ):
# send email, threshold exceeded and alert interval exceeded
print("Send alert email now!");
proc = Popen(['/usr/sbin/sendmail','-t','-oi'], stdin=PIPE)
print(text.format(sender_email,receiver_email,time.strftime("%c"),fridge_temp,(fridge_temp*C_TO_F+32),freezer_temp,(freezer_temp*C_TO_F+32)).encode('utf8'))
proc.communicate(text.format(sender_email,receiver_email,time.strftime("%c"),fridge_temp,freezer_temp).encode('utf8'))
proc.wait()
# we sent an alert, so reset rate-limiting timer
last_alert_timestamp = time.time()
# end of while(True)
else:
# check for cayenne publish or commands
client.loop()
time.sleep(0.1)
import cayenne.client
import time
# Cayenne authentication info. This should be obtained from the Cayenne Dashboard.
MQTT_USERNAME = "******"
MQTT_PASSWORD = "******"
MQTT_CLIENT_ID = "MQTT_CLIENT_ID"
# The callback for when a message is received from Cayenne.
def on_message(message):
print("message received: " + str(message))
# If there is an error processing the message return an error string, otherwise return nothing.
client = cayenne.client.CayenneMQTTClient()
client.on_message = on_message
client.begin(MQTT_USERNAME, MQTT_PASSWORD, MQTT_CLIENT_ID)
i=0
timestamp = 0
while True:
client.loop()
if (time.time() > timestamp + 10):
client.celsiusWrite(1, i)
client.luxWrite(2, i*10)
client.hectoPascalWrite(3, i+800)
timestamp = time.time()
i = i+1
def main():
global n1pointer, n1temps, n2pointer, n2temps, n3pointer, n3temps, n4pointer, n4temps
n1pointer = 0
n2pointer = 0
n3pointer = 0
n4pointer = 0
n1temps = []
n2temps = []
n3temps = []
n4temps = []
# garbage collection to reduce memory leaks added July 2, 2014
# gc is set to run every 21600 seconds (6 hours)
#def foo():
# gc.collect()
# threading.Timer(21600, foo).start()
def runningAverage(node, temperature, pointer, temps):
#print "RunningAverage function; pointer = %d" % pointer
total = 0
# initially build-up the list of temperatures
if len(temps) < 4:
temps.extend([temperature])
for j in range(0, (pointer + 1)):
addend = float(temps[j])
total = float(addend + total)
avgx = total / (pointer + 1)
# the list of temperatures is full, now replace the oldest one
# with a new one
else:
temps[pointer] = temperature
for j in range(0, 4):
addend = float(temps[j])
total = float(addend + total)
avgx = total / 4
average = round(avgx, 2)
# increment or reset pointer
if pointer < 3:
pointer += 1
else:
pointer = 0
return (node, average, pointer, temps)
def calcTemp(): # routine to calculate single temperature units
unkn = rawx.pop(0).strip() # don't know what this is, drop for now
place = nodeList[int(node)] # substitute node for actual place in house
wholeTemp = rawx.pop(0).strip() # whole number part of temperature
fracTemp = rawx.pop(0).strip() # decimal part of temperature
temperature = wholeTemp + "." + fracTemp
return temperature # pass this on!
nodeList = 'Office', 'Garage', 'MBL_Room', 'In-law_Suite', 'Pantry', 'Kitchen'
# CPU monitor routine, requires "import os"
def getCPUtemperature():
res = os.popen('vcgencmd measure_temp').readline()
return(res.replace("temp=","").replace("'C\n",""))
cpuTemp = int(float(getCPUtemperature()))
# COSM variables.
# f = open('apikey.txt', 'r')
# API_KEY = f.read()
# f.close()
# API_KEY = 'suinLKP1uD3GCkuUN-xBmvZzSzWSAKxEcnQrdUJyTHJRND0g'
# FEED = 129833
# API_URL = '/v2/feeds/{feednum}.xml' .format(feednum = FEED)
ser = serial.Serial('/dev/ttyUSB0', 57600)
# ser.close()
while True:
client.loop()
x = ser.readline()
OKtest = re.match ( 'OK', x ) # match tests for match at beginning of string,
# otherwise use search
if OKtest:
#pac = eeml.datastream.Cosm(API_URL, API_KEY)
#print "Raw data received: " + x
rawx = x.split() # split on whitespace
###################### # initial parsing
ack = rawx.pop(0).strip() # "OK": do nothing with it
node = rawx.pop(0).strip() # Node number
if node == '1':
tempLow = rawx.pop(0).strip() # temperature low byte
tempHigh = rawx.pop(0).strip() # temperature high byte
if int(tempHigh) < 5: # if this byte is greater than 5,
# temp is (for sure) a positive value
tempRaw = (int(tempHigh) * 256) + int(tempLow)
else:
tempRaw = (255 ^ (int(tempLow))) * -1 # temp is negative value, so do a 1's complement
tempRaw2 = tempRaw + 0.0
actualTemp = tempRaw2 / 10
humLow = rawx.pop(0).strip() # humidity low byte
humHigh = rawx.pop(0).strip() # humidity high byte
humRaw = (int(humHigh) * 256) + int(humLow)
humRaw2 = humRaw + 0.0
actualHum = humRaw2 / 10
lightLow = rawx.pop(0).strip() # humidity low byte
lightHigh = rawx.pop(0).strip() # humidity high byte
lightRaw = (int(lightHigh) * 256) + int(lightLow)
actualLight = lightRaw
pir = rawx.pop(0).strip() # PIR sensor
# Cayenne stuff: ********************************
#print("1: actualTemp: ", actualTemp)
client.virtualWrite(1, actualTemp, "temp", "c")
#print("2: actualHum: ", actualHum)
client.virtualWrite(2, actualHum, "rel_hum", "p")
#print("3: actualLight: ", actualLight)
client.virtualWrite(3, actualLight, "lum", "p")
#print("4: PIR: ", pir)
client.virtualWrite(4, pir, "digital_sensor", "d")
if node == '2':
temperature = calcTemp()
# Cayenne stuff: ********************************
client.virtualWrite(5, temperature, "temp", "c")
# rolling average code:
pointer = n2pointer
temps = n2temps
average = runningAverage(node, temperature, pointer, temps)
node = average[0]
avrg = average[1]
pointer = average[2]
temps = average[3]
n2pointer = pointer
n2temps = temps
#print "Node: %s Avg Temp: %s Celcius Pointer: %s List: %s" % (node, avrg, pointer, temps)
elif node == '3':
temperature = calcTemp()
# Cayenne stuff: ********************************
client.virtualWrite(6, temperature, "temp", "c")
# rolling average code:
pointer = n3pointer
temps = n3temps
average = runningAverage(node, temperature, pointer, temps)
node = average[0]
avrg = average[1]
pointer = average[2]
temps = average[3]
n3pointer = pointer
n3temps = temps
#print "Node: %s Avg Temp: %s Celcius Pointer: %s List: %s" % (node, avrg, pointer, temps)
elif node == '4':
temperature = calcTemp()
# Cayenne stuff: ********************************
client.virtualWrite(7, temperature, "temp", "c")
# rolling average code:
pointer = n4pointer
temps = n4temps
average = runningAverage(node, temperature, pointer, temps)
node = average[0]
avrg = average[1]
pointer = average[2]
temps = average[3]
n4pointer = pointer
n4temps = temps
#print "Node: %s Avg Temp: %s Celcius Pointer: %s List: %s" % (node, avrg, pointer, temps)
elif node == '5':
tempLow = rawx.pop(0).strip() # temperature low byte
tempHigh = rawx.pop(0).strip() # temperature high byte
if int(tempHigh) < 5: # if this byte is greater than 5,
# temp is (for sure) a positive value
tempRaw = (int(tempHigh) * 256) + int(tempLow)
else:
tempRaw = (255 ^ (int(tempLow))) * -1 # temp is negative value, so do a 1's complement
tempRaw2 = tempRaw + 0.0
actualTemp = tempRaw2 / 10
humLow = rawx.pop(0).strip() # humidity low byte
humHigh = rawx.pop(0).strip() # humidity high byte
humRaw = (int(humHigh) * 256) + int(humLow)
humRaw2 = humRaw + 0.0
actualHum = humRaw2 / 10
bvLow = rawx.pop(0).strip() # batt volt low byte
bvMid = rawx.pop(0).strip() # batt volt mid byte
bvHigh = rawx.pop(0).strip() # batt volt high byte
throwaway = rawx.pop(0).strip() # throw away this byte
bvRaw = (int(bvHigh) * 65536) + (int(bvMid) * 256) + int(bvLow)
actualBv = bvRaw * 3.3 / 512 # 512 or 1024, whichever works!
Bv = round(actualBv, 2)
spvLow = rawx.pop(0).strip() # solarpanel low byte
spvMid = rawx.pop(0).strip() # solarpanel mid byte
spvHigh = rawx.pop(0).strip() # solarpanel high byte
throwaway = rawx.pop(0).strip() # throw away this byte
spvRaw = (int(spvHigh) * 65536) + (int(spvMid) * 256) + int(spvLow)
actualspv = spvRaw * 3.3 /512 # 512 or 1024, whichever works!
Spv = round(actualspv, 2)
# Cayenne stuff: ********************************
client.virtualWrite(8, actualTemp, "temp", "c")
client.virtualWrite(9, actualHum, "rel_hum", "p")
client.virtualWrite(10, Bv, "voltage", "v")
client.virtualWrite(11, Spv, "voltage", "v")
elif node == '6': # Oil Tank Level Sender
oilLevel = rawx.pop(0).strip()
client.virtualWrite(12, oilLevel, "tl", "gauge")
elif node == '10': # Garage Node 10
tempLow = rawx.pop(0).strip() # temperature low byte
tempHigh = rawx.pop(0).strip() # temperature high byte
if int(tempHigh) < 5: # if this byte is greater than 5,
# temp is (for sure) a positive value
tempRaw = (int(tempHigh) * 256) + int(tempLow)
else:
tempRaw = (255 ^ (int(tempLow))) * -1 # temp is negative value, so do a 1's complement
tempRaw2 = tempRaw + 0.0
actualTemp = tempRaw2 / 10 # Garage Temperature ***************
humLow = rawx.pop(0).strip() # humidity low byte
humHigh = rawx.pop(0).strip() # humidity high byte
humRaw = (int(humHigh) * 256) + int(humLow)
humRaw2 = humRaw + 0.0
actualHum = humRaw2 / 10 # Garage Humidity ******************
tempLow = rawx.pop(0).strip() # temperature low byte
tempHigh = rawx.pop(0).strip() # temperature high byte
if int(tempHigh) < 5: # if this byte is greater than 5,
# temp is (for sure) a positive value
tempRaw = (int(tempHigh) * 256) + int(tempLow)
else:
tempRaw = (255 ^ (int(tempLow))) * -1 # temp is negative value, so do a 1's complement
tempRaw2 = tempRaw + 0.0
actualTempWB = tempRaw2 / 10 # Wormbox Temperature **************
humLow = rawx.pop(0).strip() # humidity low byte
humHigh = rawx.pop(0).strip() # humidity high byte
humRaw = (int(humHigh) * 256) + int(humLow)
humRaw2 = humRaw + 0.0
actualHumWB = humRaw2 / 10 # Wormbox Humidity *****************
coLow = rawx.pop(0).strip() # Carbon Monoxide high byte
coHigh = rawx.pop(0).strip() # Carbon Monoxide low byte
coRaw = (int(coHigh) * 256) + int(coLow)
actualco = coRaw
#actualco = coRaw2 / 10 # CO Level *************************
# Garage Door Sensor Reading for Test
gdLow = rawx.pop(0).strip() # garage door low byte FOR TEST
gdHigh = rawx.pop(0).strip() # garage door high byte
#gdRaw = (int(gdHigh) * 256) + int(gdLow)
garageDoor = rawx.pop(0).strip() # garage door
client.virtualWrite(13, actualTemp, "temp", "c")
client.virtualWrite(14, actualHum, "rel_hum", "p")
client.virtualWrite(15, actualco, "co", "value")
client.virtualWrite(16, garageDoor, "digital_sensor", "d")
#print "Node: %s CO2High: %s CO2Low: %s Garage Door: %s LDRHigh: %s LDRLow: %s" % (node, co2High, co2Low, garageDoor, ldrHigh, ldrLow)
if node == '11':
tempLow = rawx.pop(0).strip() # temperature low byte
tempHigh = rawx.pop(0).strip() # temperature high byte
if int(tempHigh) < 5: # if this byte is greater than 5,
# temp is (for sure) a positive value
tempRaw = (int(tempHigh) * 256) + int(tempLow)
else:
tempRaw = (255 ^ (int(tempLow))) * -1 # temp is negative value, so do a 1's complement
tempRaw2 = tempRaw + 0.0
actualTemp = tempRaw2 / 10
humLow = rawx.pop(0).strip() # humidity low byte
humHigh = rawx.pop(0).strip() # humidity high byte
humRaw = (int(humHigh) * 256) + int(humLow)
humRaw2 = humRaw + 0.0
actualHum = humRaw2 / 10
bvLow = rawx.pop(0).strip() # batt volt low byte
bvMid = rawx.pop(0).strip() # batt volt mid byte
bvHigh = rawx.pop(0).strip() # batt volt high byte
throwaway = rawx.pop(0).strip() # throw away this byte
bvRaw = (int(bvHigh) * 65536) + (int(bvMid) * 256) + int(bvLow)
actualBv = bvRaw * 3.3 / 1024
Bv = round(actualBv, 2)
spvLow = rawx.pop(0).strip() # solarpanel low byte
spvMid = rawx.pop(0).strip() # solarpanel mid byte
spvHigh = rawx.pop(0).strip() # solarpanel high byte
throwaway = rawx.pop(0).strip() # throw away this byte
spvRaw = (int(spvHigh) * 65536) + (int(spvMid) * 256) + int(spvLow)
actualspv = spvRaw * 3.3 /1024
Spv = round(actualspv, 2)
client.virtualWrite(17, actualTemp, "temp", "c")
client.virtualWrite(18, actualHum, "rel_hum", "p")
client.virtualWrite(19, Bv, "voltage", "v")
client.virtualWrite(20, Spv, "voltage", "v")