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thermo_system.py
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thermo_system.py
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#!/usr/bin/python
import sys
import Adafruit_DHT
import RPi.GPIO as GPIO
import requests
import spidev
import time
import datetime
from firebase import firebase
from scipy.stats import mode
# initialize Firebase
firebase = firebase.FirebaseApplication('https://thermo-system.firebaseio.com', None)
# create SPI to check Moisture
spi = spidev.SpiDev()
spi.open(0,0)
# initialize GPIO
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
GPIO.cleanup()
# init list with pin numbers int the 4 Channel Relay
light = 2
water = 3
fans = 4
heat = 17
pinList = [light,water,fans,heat]
def irrigation(water_time):
# initialize GPIO
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
for i in pinList:
GPIO.setup(i, GPIO.OUT)
GPIO.output(i, GPIO.HIGH)
resultLight = firebase.post('/Data/2018/November/Light', False)
resultWater = firebase.post('/Data/2018/November/Water', False)
resultFans = firebase.post('/Data/2018/November/Fans', False)
resultHeat = firebase.post('/Data/2018/November/Heat', False)
# irrigation loop
print '\n Date: '+str(now.month)+'/'+str(now.day)+'/'+str(now.year)
print ' Time: '+str(now.hour)+':'+str(now.minute)
print '\n Irrigation System ON for '+ str(water_time)+' seconds'
endTime = time.time() + water_time
while time.time() < endTime:
try:
GPIO.output(water, GPIO.LOW)
resultLight = firebase.post('/Data/2018/November/Light', False)
resultWater = firebase.post('/Data/2018/November/Water', True)
resultFans = firebase.post('/Data/2018/November/Fans', False)
resultHeat = firebase.post('/Data/2018/November/Heat', False)
# end program cleanly with keyboard
except KeyboardInterrupt:
print ' Quit\n'
GPIO.output(water, GPIO.HIGH)
print '\n Irrigation System OFF'
resultLight = firebase.post('/Data/2018/November/Light', False)
resultWater = firebase.post('/Data/2018/November/Water', False)
resultFans = firebase.post('/Data/2018/November/Fans', False)
resultHeat = firebase.post('/Data/2018/November/Heat', False)
def test_Relay():
# initialize GPIO
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
for i in pinList:
GPIO.setup(i, GPIO.OUT)
GPIO.output(i, GPIO.HIGH)
resultLight = firebase.post('/Data/2018/November/Light', False)
resultWater = firebase.post('/Data/2018/November/Water', False)
resultFans = firebase.post('/Data/2018/November/Fans', False)
resultHeat = firebase.post('/Data/2018/November/Heat', False)
# time to sleep between operations in the test loop
SleepTimeL = 10
# test loop
print '\n Date: '+str(now.month)+'/'+str(now.day)+'/'+str(now.year)
print ' Time: '+str(now.hour)+':'+str(now.minute)
print '\n Testing Relay: \n'
endTime = time.time() + 30
while time.time() < endTime:
try:
time.sleep(3);
GPIO.output(light, GPIO.LOW)
resultLight = firebase.post('/Data/2018/November/Light', True)
print ' ONE - Lights ON'
time.sleep(SleepTimeL)
GPIO.output(light, GPIO.HIGH)
resultLight = firebase.post('/Data/2018/November/Light', False)
GPIO.output(water, GPIO.LOW)
esultWater = firebase.post('/Data/2018/November/Water', True)
print ' TWO - Water Pump ON'
time.sleep(5)
GPIO.output(water, GPIO.HIGH)
esultWater = firebase.post('/Data/2018/November/Water', False)
GPIO.output(fans, GPIO.LOW)
resultFans = firebase.post('/Data/2018/November/Fans', True)
print ' THREE - Fans ON'
time.sleep(SleepTimeL)
GPIO.output(fans, GPIO.HIGH)
resultFans = firebase.post('/Data/2018/November/Fans', False)
GPIO.output(heat, GPIO.LOW)
resultHeat = firebase.post('/Data/2018/November/Heat', True)
print ' FOUR - Heater ON'
time.sleep(SleepTimeL)
GPIO.output(heat, GPIO.HIGH)
resultHeat = firebase.post('/Data/2018/November/Heat', False)
# end program cleanly with keyboard
except KeyboardInterrupt:
print ' Quit\n'
GPIO.cleanup()
print '\n Testing Relay Completed!'
def readadc(adcnum):
# read SPI data from the MCP3008, 8 channels in total
if adcnum > 7 or adcnum < 0:
return -1
r = spi.xfer2([1, 8 + adcnum << 4, 0])
data = ((r[1] & 3) << 8) + r[2]
return data
def read_MOIST():
# define Variables to check Moisture
delay = 0.5
value = 0
moist0_List = []
moist1_List = []
moist2_List = []
moist3_List = []
moist4_List = []
moist5_List = []
moist6_List = []
moist7_List = []
moistCheck_List = []
while value < 6:
# read data the MCP3008
ldr_value0 = readadc(0)
# print("LDR Value 0: %d" % ldr_value0)
moist0_List.append(ldr_value0)
ldr_value1 = readadc(1)
# print("LDR Value 1: %d" % ldr_value1)
moist1_List.append(ldr_value1)
ldr_value2 = readadc(2)
# print("LDR Value 2: %d" % ldr_value2)
moist2_List.append(ldr_value2)
ldr_value3 = readadc(3)
# print("LDR Value 3: %d" % ldr_value3)
moist3_List.append(ldr_value3)
ldr_value4 = readadc(4)
# print("LDR Value 4: %d" % ldr_value4)
moist4_List.append(ldr_value4)
ldr_value5 = readadc(5)
# print("LDR Value 5: %d" % ldr_value5)
moist5_List.append(ldr_value5)
ldr_value6 = readadc(6)
# print("LDR Value 6: %d" % ldr_value6)
moist6_List.append(ldr_value6)
ldr_value7 = readadc(7)
# print("LDR Value 7: %d" % ldr_value7)
moist7_List.append(ldr_value7)
time.sleep(0.1)
value = value + 1
# end while
print "---------------------------------------"
ldr_val0 = float(mode(moist0_List)[0])
print("LDR Value 0: %d" % ldr_val0)
moistCheck_List.append(ldr_val0)
ldr_val1 = float(mode(moist1_List)[0])
print("LDR Value 1: %d" % ldr_val1)
moistCheck_List.append(ldr_val1)
ldr_val2 = float(mode(moist2_List)[0])
print("LDR Value 2: %d" % ldr_val2)
moistCheck_List.append(ldr_val2)
ldr_val3 = float(mode(moist3_List)[0])
print("LDR Value 3: %d" % ldr_val3)
moistCheck_List.append(ldr_val3)
ldr_val4 = float(mode(moist4_List)[0])
print("LDR Value 4: %d" % ldr_val4)
moistCheck_List.append(ldr_val4)
ldr_val5 = float(mode(moist5_List)[0])
print("LDR Value 5: %d" % ldr_val5)
moistCheck_List.append(ldr_val5)
ldr_val6 = float(mode(moist6_List)[0])
print("LDR Value 6: %d" % ldr_val6)
moistCheck_List.append(ldr_val6)
ldr_val7 = float(mode(moist7_List)[0])
print("LDR Value 7: %d" % ldr_val7)
moistCheck_List.append(ldr_val7)
print "---------------------------------------"
check_mode = float(mode(moistCheck_List)[0])
check_max = max(moistCheck_List)
need_water = False
if check_mode < 100 and check_max < 800:
need_water = True
print " Our plants need more water"
return (need_water)
else:
return(need_water)
def read_DHT():
value = 0
temp1_List = []
temp2_List = []
temp3_List = []
tempIn_List = []
humi1_List = []
humi2_List = []
humi3_List = []
humiIn_List = []
print '\n Reading DHT - Temperature and Humidity: '
while value < 6: # 6 = 1 minute, 30 = 5 mintutes
# read data from pins: 25,23,24
humi1, temp1 = Adafruit_DHT.read_retry(11,25) #temp sensor 1 out
humi2, temp2 = Adafruit_DHT.read_retry(11,23) #temp sensor 2 in top
humi3, temp3 = Adafruit_DHT.read_retry(11,24) #temp sensor 3 in bottom
# Get average inside Temperature and Huminity
tempIn = (temp2 + temp3)/2
humiIn = (humi2 + humi3)/2
#print ('The' + str(value) + 'reading is:')
print ' Temperature Outside: {0:0.1f}C Temperature Inside: {1:0.1f}C ({2:0.1f}C - {3:0.1f}C) '.format(temp1,tempIn,temp2,temp3)
print ' Humidity Outside: {0:0.1f}% Humidity Inside: {1:0.1f}% ({2:0.1f}% - {3:0.1f}%) \n'.format(humi1,humiIn,humi2,humi3)
time.sleep(10)
temp1_List.append(temp1)
temp2_List.append(temp2)
temp3_List.append(temp3)
tempIn_List.append(tempIn)
humi1_List.append(humi1)
humi2_List.append(humi2)
humi3_List.append(humi3)
humiIn_List.append(humiIn)
value = value + 1
temp_1 = float(mode(temp1_List)[0])
temp_2 = float(mode(temp2_List)[0])
temp_3 = float(mode(temp3_List)[0])
temp_In = float(mode(tempIn_List)[0])
humi_1 = float(mode(humi1_List)[0])
humi_2 = float(mode(humi2_List)[0])
humi_3 = float(mode(humi3_List)[0])
humi_In = float(mode(humiIn_List)[0])
return (temp_1,temp_In,temp_2,temp_3,humi_1,humi_In,humi_2,humi_3)
now = datetime.datetime.now()
print '\n Date: '+str(now.month)+'/'+str(now.day)+'/'+str(now.year)
print ' Time: '+str(now.hour)+':'+str(now.minute)
startDate = now.day
startMonth = now.month
# print Welcome
print ('\n Welcome to the Sustainable Thermo-System !!!\n')
# code asks for user input
x = raw_input('Would you like to execute the system?\n')
if x == 'y' or x == 'Y' or x == 'yes' or x == 'Yes' or 'YES':
systemOn = True
else:
systemOn = False
while systemOn is True:
try:
# call test relay function
# b = test_Relay()
resultError = firebase.post('/Data/2018/November/Errors', "No Errors")
appDaysOn = firebase.get('/Data/2018/November/DaysOn', None)
daysOn = int(appDaysOn)
endTime = time.time() + 60*60*24*daysOn # 60sec*60min*24hr*30days
#while time.time() < endTime:
# retrieve SystemOn from Firebase
appSystemOn = firebase.get('/Data/2018/November/SystemOn', None)
while appSystemOn is True and time.time() < endTime:
try:
# call read DHT function
DHT = read_DHT()
# set temperatures
TempOut = DHT[0]
TempIn = DHT[1]
# set max humidity
HumiOut = DHT[4]
HumiIn = DHT[5]
maxHumi = 82
# post data to Firebase
new_temp = str(TempIn)
new_humi = str(HumiIn)
resultTemp = firebase.post('/Data/2018/November/Temperature', new_temp)
resultHumi = firebase.post('/Data/2018/November/Humidity', new_humi)
# retrieve data from Firebase
# appMaxTemp = firebase.get('/Data/2018/November/AppMaxTemperature', None)
# appMinTemp = firebase.get('/Data/2018/November/AppMinTemperature', None)
# maxTemp = int(appMaxTemp)
# minTemp = int(appMinTemp)
timeRema = endTime - time.time()
if (timeRema > 48):
print '\n Remaining time: '+str(int(timeRema/(3600*24)))+' days ('+str(int(timeRema/(3600)))+' hrs)'
elif (24 < timeRema and timeRema < 48):
print '\n Remaining time: 1 day and '+str(int(timeRema/(3600)-24))+' hrs'
else:
print '\n Remaining time: '+str(int(timeRema/(3600)))+' hrs'
remaDays = str(int(timeRema/(3600*24)))
resultRemaDays = firebase.post('/Data/2018/November/RemaDays', remaDays)
# initialize GPIO
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
for i in pinList:
GPIO.setup(i, GPIO.OUT)
GPIO.output(i, GPIO.HIGH)
resultLight = firebase.post('/Data/2018/November/Light', False)
resultWater = firebase.post('/Data/2018/November/Water', False)
resultFans = firebase.post('/Data/2018/November/Fans', False)
resultHeat = firebase.post('/Data/2018/November/Heat', False)
# set daytime
now = datetime.datetime.now()
if (5 < now.hour and now.hour < 22):
print ' Date: '+str(now.month)+'/'+str(now.day)+'/'+str(now.year)
print ' Time: '+str(now.hour)+':'+str(now.minute)
minTemp = 25
resultMinTemp = firebase.post('/Data/2018/November/MinTemperature', str(minTemp))
maxTemp = 30
resultMaxTemp = firebase.post('/Data/2018/November/MaxTemperature', str(maxTemp))
dayTime = 1
GPIO.output(light, GPIO.LOW)
resultLight = firebase.post('/Data/2018/November/Light', True)
resultWater = firebase.post('/Data/2018/November/Water', False)
resultFans = firebase.post('/Data/2018/November/Fans', False)
resultHeat = firebase.post('/Data/2018/November/Heat', False)
print " Day Time - Lights ON\n"
else:
print ' Date: '+str(now.month)+'/'+str(now.day)+'/'+str(now.year)
print ' Time: '+str(now.hour)+':'+str(now.minute)
minTemp = 25
resultMinTemp = firebase.post('/Data/2018/November/MinTemperature', str(minTemp))
maxTemp = 30
resultMaxTemp = firebase.post('/Data/2018/November/MaxTemperature', str(maxTemp))
GPIO.output(light, GPIO.HIGH)
resultLight = firebase.post('/Data/2018/November/Light', False)
print " Night Time - Lights OFF\n"
if (startDate < (now.day) or startMonth < (now.month)):
# call test relay function
# test_Relay()
startDate = now.day
startMonth = now.month
moist = read_MOIST()
if moist == True:
print " The plants need more water"
irrigation(6)
else:
print " The plants are good in water"
time.sleep(10)
# setmode GPIO
GPIO.setmode(GPIO.BCM)
if (TempIn < minTemp):
print ' The temperature outside is '+str(TempOut)+'C'
print ' The temperature inside is '+str(TempIn)+'C lower than expected'
GPIO.output(light, GPIO.HIGH)
#print " Turn Lights OFF"
GPIO.output(water, GPIO.HIGH)
#print ' Turn Water OFF'
GPIO.output(fans, GPIO.HIGH)
#print " Turn Fans OFF"
GPIO.output(heat, GPIO.LOW)
print " Turn Heater ON"
resultLight = firebase.post('/Data/2018/November/Light', False)
resultWater = firebase.post('/Data/2018/November/Water', False)
resultFans = firebase.post('/Data/2018/November/Fans', False)
resultHeat = firebase.post('/Data/2018/November/Heat', True)
time.sleep(120)
elif (TempIn > maxTemp):
print ' The temperature outside is '+str(TempOut)+'C'
print ' The temperature inside is '+str(TempIn)+'C higher than expected'
GPIO.output(light, GPIO.HIGH)
#print " Turn Lights OFF"
GPIO.output(water, GPIO.HIGH)
#print ' Turn Water OFF'
GPIO.output(fans, GPIO.LOW)
print " Turn Fans ON"
GPIO.output(heat, GPIO.HIGH)
#print " Turn Heater OFF"
resultLight = firebase.post('/Data/2018/November/Light', False)
resultWater = firebase.post('/Data/2018/November/Water', False)
resultFans = firebase.post('/Data/2018/November/Fans', True)
resultHeat = firebase.post('/Data/2018/November/Heat', False)
time.sleep(60)
else:
print ' The temperature outside is '+str(TempOut)+'C'
print ' The temperature inside is '+str(TempIn)+'C as expected'
time.sleep(10)
if (HumiIn > maxHumi):
print ' The humidity outside is '+str(HumiOut)+'%'
print ' The humidity inside is '+str(HumiIn)+'% higher than expected'
GPIO.output(light, GPIO.HIGH)
#print " Turn Lights OFF"
GPIO.output(water, GPIO.HIGH)
#print ' Turn Water OFF'
GPIO.output(fans, GPIO.HIGH)
#print " Turn Fans OFF"
GPIO.output(heat, GPIO.LOW)
print " Turn Heater ON"
resultLight = firebase.post('/Data/2018/November/Light', False)
resultWater = firebase.post('/Data/2018/November/Water', False)
resultFans = firebase.post('/Data/2018/November/Fans', False)
resultHeat = firebase.post('/Data/2018/November/Heat', True)
time.sleep(120)
else:
print ' The humidity outside is '+str(HumiOut)+'%'
print ' The humidity inside is '+str(HumiIn)+'% as expected'
# update SystemOn from Firebase
appSystemOn = firebase.get('/Data/2018/November/SystemOn', None)
# end while loop
except requests.exceptions.HTTPError:
resultError = firebase.post('/Data/2018/November/Errors', "HTTP error")
except requests.exceptions.SSLError:
resultError = firebase.post('/Data/2018/November/Errors', "SSL error")
except requests.exceptions.ReadTimeout:
resultError = firebase.post('/Data/2018/November/Errors', "Read Timeout error")
time.sleep(10)
#except KeyboardInterrupt:
#resultError = firebase.post('/Data/2018/November/Errors', "Interrupt error")
#print ' Quit\n'
# After while loop turn OFF everything
# initialize GPIO
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
for i in pinList:
GPIO.setup(i, GPIO.OUT)
GPIO.output(i, GPIO.HIGH)
resultLight = firebase.post('/Data/2018/November/Light', False)
resultWater = firebase.post('/Data/2018/November/Water', False)
resultFans = firebase.post('/Data/2018/November/Fans', False)
resultHeat = firebase.post('/Data/2018/November/Heat', False)
print ' System is OFF'
resultError = firebase.post('/Data/2018/November/Errors', "Thermo-System is OFF")
time.sleep(10)
# end while loop
except requests.exceptions.HTTPError:
resultError = firebase.post('/Data/2018/November/Errors', "HTTP error")
except requests.exceptions.SSLError:
resultError = firebase.post('/Data/2018/November/Errors', "SSL error")
except requests.exceptions.ReadTimeout:
resultError = firebase.post('/Data/2018/November/Errors', "Read Timeout error")
time.sleep(10)
#except KeyboardInterrupt:
#resultError = firebase.post('/Data/2018/November/Errors', "Interrupt error")
#print ' Quit\n'
else:
# initialize GPIO
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
for i in pinList:
GPIO.setup(i, GPIO.OUT)
GPIO.output(i, GPIO.HIGH)
resultLight = firebase.post('/Data/2018/November/Light', False)
resultWater = firebase.post('/Data/2018/November/Water', False)
resultFans = firebase.post('/Data/2018/November/Fans', False)
resultHeat = firebase.post('/Data/2018/November/Heat', False)
quit()
sys.exit()
GPIO.cleanup()