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mqtt.py
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#import the libraries
from sense_hat import SenseHat
import paho.mqtt.client as mqtt
import random
#import time to set how often the temp will be published
import time
#set the broker url
broker="mqtt.eclipse.org"
#set the port number
port=1880
#set the topic
topic="class/topic"
#makes the senseHat object and clears the senseHat display
sense = SenseHat()
sense.clear()
#defines the colours
R = (255, 0, 0)
Y = (255,255,0)
O = (0, 0, 0)
#sets up booleans for if a zone was responded too and to check if there was a ranger created for each zone
responded1= "False"
responded2= "False"
responded3= "False"
responded4= "False"
ranger1="False"
ranger2="False"
ranger3="False"
ranger4="False"
#creats a mqttclient
client= mqtt.Client("client id")
#sets up the different states for the senseHat display
def ROOO():
display = [
R, R, R, O, O, O, O, O,
R, R, R, O, O, O, O, O,
R, R, R, O, O, O, O, O,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
]
return display
def RROO():
display = [
R, R, R, O, O, R, R, R,
R, R, R, O, O, R, R, R,
R, R, R, O, O, R, R, R,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
]
return display
def RRRO():
display = [
R, R, R, O, O, R, R, R,
R, R, R, O, O, R, R, R,
R, R, R, O, O, R, R, R,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
R, R, R, O, O, O, O, O,
R, R, R, O, O, O, O, O,
R, R, R, O, O, O, O, O,
]
return display
def RRRR():
display = [
R, R, R, O, O, R, R, R,
R, R, R, O, O, R, R, R,
R, R, R, O, O, R, R, R,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
R, R, R, O, O, R, R, R,
R, R, R, O, O, R, R, R,
R, R, R, O, O, R, R, R,
]
return display
def ORRR():
display = [
O, O, O, O, O, R, R, R,
O, O, O, O, O, R, R, R,
O, O, O, O, O, R, R, R,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
R, R, R, O, O, R, R, R,
R, R, R, O, O, R, R, R,
R, R, R, O, O, R, R, R,
]
return display
def OORR():
display = [
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
R, R, R, O, O, R, R, R,
R, R, R, O, O, R, R, R,
R, R, R, O, O, R, R, R,
]
return display
def OOOR():
display = [
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
O, O, O, O, O, R, R, R,
O, O, O, O, O, R, R, R,
O, O, O, O, O, R, R, R,
]
return display
def OROO():
display = [
O, O, O, O, O, R, R, R,
O, O, O, O, O, R, R, R,
O, O, O, O, O, R, R, R,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
]
return display
def OORO():
display = [
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
R, R, R, O, O, O, O, O,
R, R, R, O, O, O, O, O,
R, R, R, O, O, O, O, O,
]
return display
def ROOR():
display = [
R, R, R, O, O, O, O, O,
R, R, R, O, O, O, O, O,
R, R, R, O, O, O, O, O,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
O, O, O, O, O, R, R, R,
O, O, O, O, O, R, R, R,
O, O, O, O, O, R, R, R,
]
return display
def RORO():
display = [
R, R, R, O, O, O, O, O,
R, R, R, O, O, O, O, O,
R, R, R, O, O, O, O, O,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
R, R, R, O, O, O, O, O,
R, R, R, O, O, O, O, O,
R, R, R, O, O, O, O, O,
]
return display
def RROR():
display = [
R, R, R, O, O, O, O, O,
R, R, R, O, O, O, O, O,
R, R, R, O, O, O, O, O,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
R, R, R, O, O, R, R, R,
R, R, R, O, O, R, R, R,
R, R, R, O, O, R, R, R,
]
return display
def OROR():
display = [
O, O, O, O, O, R, R, R,
O, O, O, O, O, R, R, R,
O, O, O, O, O, R, R, R,
O, O, O, O, O, O, O, O,
O, O, O, O, O, O, O, O,
O, O, O, O, O, R, R, R,
O, O, O, O, O, R, R, R,
O, O, O, O, O, R, R, R,
]
return display
#this tells it to connect at the pi's ip address and to use port 8080 because this is the port that mqtt is running on
client.connect("localhost",8080,60)
#this subscribes to the phone on the topic test1 and resets the users
def on_connect(client, userdata, flags, rc):
print("Connected with result code "+str(rc))
f=open('temp.txt','w+')
client.subscribe("class/test1")
#these are the parameters for what should be done with each message
def on_message(client, userdata, msg):
#this sets the message variable
message=msg.payload.decode()
global ranger1
global ranger2
global ranger3
global ranger4
#if the message sent back says sector 1 set it to be responded and change respponded 1 to true
if "Sector 1" in message:
print("Sector 1 responded")
global responded1
responded1= "True"
#if flase is found in ranger 1 this just means that sector 1 doesnt have a ranger yet and sets this to true and writes the user to a file for the website to access
if "False" in ranger1:
print("User created")
print(msg.payload.decode())
f=open('temp.txt','a')
f.write(msg.payload.decode() + ",")
f.close()
ranger1="true"
# the previous code is repeated for each sector
elif "Sector 2" in message:
print("Sector 2 responded")
global responded2
responded2= "True"
if "False" in ranger2:
print("User created")
print(msg.payload.decode())
f=open('temp.txt','a')
f.write(msg.payload.decode() + ",")
f.close()
ranger2="true"
elif "Sector 3" in message:
print("Sector 3 responded")
global responded3
responded3= "True"
if "False" in ranger3:
print("User created")
print(msg.payload.decode())
f=open('temp.txt','a')
f.write(msg.payload.decode() + ",")
f.close()
ranger3="true"
elif "Sector 4" in message:
print("Sector 4 responded")
global responded4
responded4= "True"
if "False" in ranger4:
print("User created")
print(msg.payload.decode())
f=open('temp.txt','a')
f.write(msg.payload.decode() + ",")
f.close()
ranger4="true"
while True:
#the below section is used to spoof data if you want actual readings just remove the comment on temp as this will et you use the sensehat temprature
#temp = sense.get_temperature()
x=random.randint(1,4)
t=random.randint(35,80)
#ex=random.randint(1,2)
#t= round(temp)
#x=1
# x corresponds to the sector that it is reading from at that moment
if(x==1):
#we have different catches for different temprature ranges the first being if its above or equal to 70
if t>=70:
# in this statement we set the sensehat display red in the section that represents sector 1
sense.set_pixels(ROOO())
#this sets the string to be published for the phone to read and lets the phone know what zones need to be responded to and updates the phone on ones that have been dealt with
l= "(temp:"+str(t)+"zone:"+str(x)+"R1:"+responded1+"R2:"+responded2+"R3:"+responded3+"R4:"+responded4+")"
client.publish(topic,l)
#resets the responded message
responded1="False"
#connects to the mqtt broker and subscribes to phone
client.on_connect = on_connect
client.on_message = on_message
#sets a delay before clearing the sense display and writing the temprature to a file for charting on the server
time.sleep(1)
sense.clear()
f=open('Zone1temp.txt','a')
f.write(str(t) + "\n")
f.close()
print(l)
print("Zone 1 Status: on Fire")
#this is a set that reads if the fire is hot enough to spread to other zones that spoofs which zone it would spread to
if t>75:
print("Fire may spread")
spreading= random.randint(1,2)
if spreading== 1:
print('Emergency spreaded to sector 2')
sense.set_pixels(RROO())
time.sleep(2)
elif spreading == 2:
print('Emergency spreaded to sector 3')
sense.set_pixels(RORO())
time.sleep(2)
#this is for tempratures greater than 40 but less than 70 and it prints the temprature to a file aswell as resets the responded1 variable
elif t>40:
l= "(temp:"+str(t)+"zone:"+str(x)+"R1:"+responded1+"R2:"+responded2+"R3:"+responded3+"R4:"+responded4+")"
client.publish(topic,l)
responded1="False"
client.on_connect = on_connect
client.on_message = on_message
time.sleep(5)
sense.clear()
f=open('Zone1temp.txt','a')
f.write(str(t) + "\n")
f.close()
print(l)
print("Zone 1 Status: no Fire (caution)")
#this is for tempratures less than 40 and it prints the temprature to a file aswell as resets the responded1 variable
elif t<40:
l= "(temp:"+str(t)+"zone:"+str(x)+"R1:"+responded1+"R2:"+responded2+"R3:"+responded3+"R4:"+responded4+")"
client.publish(topic,l)
responded1="False"
client.on_connect = on_connect
client.on_message = on_message
time.sleep(5)
sense.clear()
f=open('Zone1temp.txt','a')
f.write(str(t) + "\n")
f.close()
print(l)
print("Zone 1 Status: no Fire (ideal temprature)")
#this just loops the client to listen to published messages so it doesnt miss something coming in from the phone
client.loop()
# the steps for sector 1 repeat for the other 3
elif(x==2):
if t>=70:
sense.set_pixels(OROO())
l= "(temp:"+str(t)+"zone:"+str(x)+"R1:"+responded1+"R2:"+responded2+"R3:"+responded3+"R4:"+responded4+")"
client.publish(topic,l)
responded2="False"
client.on_connect = on_connect
client.on_message = on_message
time.sleep(5)
sense.clear()
f=open('Zone2temp.txt','a')
f.write(str(t) + "\n")
f.close()
print(l)
print("Zone 2")
if t>75:
print("Fire may spread")
spreading= random.randint(1,2)
if spreading== 1:
print('Emergency spreaded to sector 1')
sense.set_pixels(RROO())
time.sleep(2)
elif spreading == 2:
print('Emergency spreaded to sector 4')
sense.set_pixels(OROR())
time.sleep(2)
elif t>40:
l= "(temp:"+str(t)+"zone:"+str(x)+"R1:"+responded1+"R2:"+responded2+"R3:"+responded3+"R4:"+responded4+")"
client.publish(topic,l)
responded2="False"
client.on_connect = on_connect
client.on_message = on_message
time.sleep(5)
sense.clear()
f=open('Zone2temp.txt','a')
f.write(str(t) + "\n")
f.close()
print(l)
print("Zone 2")
elif t<40:
l= "(temp:"+str(t)+"zone:"+str(x)+"R1:"+responded1+"R2:"+responded2+"R3:"+responded3+"R4:"+responded4+")"
client.publish(topic,l)
responded2="False"
client.on_connect = on_connect
client.on_message = on_message
time.sleep(5)
sense.clear()
f=open('Zone2temp.txt','a')
f.write(str(t) + "\n")
f.close()
print(l)
print("Zone 2")
client.loop()
elif(x==3):
if t>=70:
sense.set_pixels(OORO())
l= "(temp:"+str(t)+"zone:"+str(x)+"R1:"+responded1+"R2:"+responded2+"R3:"+responded3+"R4:"+responded4+")"
client.publish(topic,l)
responded3="False"
client.on_connect = on_connect
client.on_message = on_message
time.sleep(5)
sense.clear()
f=open('Zone3temp.txt','a')
f.write(str(t) + "\n")
f.close()
print(l)
print("Zone 3")
if t>75:
print("Fire may spread")
spreading= random.randint(1,2)
if spreading== 1:
print('Emergency spreaded to sector 4')
sense.set_pixels(OORR())
time.sleep(2)
elif spreading == 2:
print('Emergency spreaded to sector 1')
sense.set_pixels(RORO())
time.sleep(2)
elif t>40:
l= "(temp:"+str(t)+"zone:"+str(x)+"R1:"+responded1+"R2:"+responded2+"R3:"+responded3+"R4:"+responded4+")"
client.publish(topic,l)
responded3="False"
client.on_connect = on_connect
client.on_message = on_message
time.sleep(5)
sense.clear()
f=open('Zone3temp.txt','a')
f.write(str(t) + "\n")
f.close()
print(l)
print("Zone 3")
elif t<40:
l= "(temp:"+str(t)+"zone:"+str(x)+"R1:"+responded1+"R2:"+responded2+"R3:"+responded3+"R4:"+responded4+")"
client.publish(topic,l)
responded3="False"
client.on_connect = on_connect
client.on_message = on_message
time.sleep(5)
sense.clear()
f=open('Zone3temp.txt','a')
f.write(str(t) + "\n")
f.close()
print(l)
print("Zone 3")
client.loop()
elif(x==4):
if t>=70:
sense.set_pixels(OOOR())
l= "(temp:"+str(t)+"zone:"+str(x)+"R1:"+responded1+"R2:"+responded2+"R3:"+responded3+"R4:"+responded4+")"
client.publish(topic,l)
responded4="False"
client.on_connect = on_connect
client.on_message = on_message
time.sleep(5)
sense.clear()
f=open('Zone4temp.txt','a')
f.write(str(t) + "\n")
f.close()
print(l)
print("Zone 4")
if t>75:
print("Fire may spread")
spreading= random.randint(1,2)
if spreading== 1:
print('Emergency spreaded to sector 2')
sense.set_pixels(OROR())
time.sleep(2)
elif spreading == 2:
print('Emergency spreaded to sector 3')
sense.set_pixels(OORR())
time.sleep(2)
elif t>40:
l= "(temp:"+str(t)+"zone:"+str(x)+"R1:"+responded1+"R2:"+responded2+"R3:"+responded3+"R4:"+responded4+")"
client.publish(topic,l)
responded4="False"
client.on_connect = on_connect
client.on_message = on_message
time.sleep(5)
sense.clear()
f=open('Zone4temp.txt','a')
f.write(str(t) + "\n")
f.close()
print(l)
print("Zone 4")
elif t<40:
l= "(temp:"+str(t)+"zone:"+str(x)+"R1:"+responded1+"R2:"+responded2+"R3:"+responded3+"R4:"+responded4+")"
client.publish(topic,l)
responded4="False"
client.on_connect = on_connect
client.on_message = on_message
time.sleep(5)
sense.clear()
f=open('Zone4temp.txt','a')
f.write(str(t) + "\n")
f.close()
print(l)
print("Zone 4")
#this just loops the client to listen to published messages so it doesnt miss something coming in from the phone
client.loop()