def Run():
z_outs = []
count = 50 * 60 # Count allows us to send a 'running' message ~1 a minute
client = initSender("PalomAlert/acc")
while True:
for i in range(
0, 30
): # The PalomAlert takes the standard deviation over the past 30 readings in order to tell whether the door is being shook - raw readings were too erratic to be used reliably
z_out_L = read_byte(0x2C)
z_out_H = read_byte(0x2D)
z_out = convert_data(z_out_L, z_out_H)
z_outs.append(z_out)
deviation = stdev(z_outs)
z_outs.clear() # Clear the array to ensure next reading is correct
if (deviation > 1000):
count = 50 * 60 # To indicate door isn't being shook again
ts = time.time() # Get timestamp
send(client, ts, "PalomAlert/acc/shake", qos=2)
time.sleep(
3.5
) # To ensure messages aren't being sent at too high a frequency
elif (count >= 50 * 60):
send(
client, None, "PalomAlert/acc/running", qos=2
) # Running message indicates to the server that the PalomAlert is live, and there is no intrusion happening
count = 0
else:
count = count + 1
time.sleep(0.02)
def Check(Readings):
client = initSender("PalomAlert/check")
# This function checks whether the door was static during calibration
if (Readings["comp"][1] > 0.5 or Readings["x"][1] > 220) or (Readings["y"][1] > 220 or (Readings["z"][1] > 220 or Readings["temp"][1])) > 1.5:
send(client, None, "PalomAlert/calibration/retry", qos=2)
return False
else:
send(client, None, "PalomAlert/calibration/ok", qos=2)
return True
def Run(compData):
mean = compData[0]
count = 600 # Count allows us to send a 'running' message ~1 a minute
countOpen = 0 # Set to alert if door is open for whole minute
scale = 0.92 # Scale needed to convert to degrees
offset = 0.9
client = initSender("PalomAlert/comp")
sendMsg = True # Allow to send message
while True:
# Read compass data
x_out = read_word_2c(4, 3) * scale
y_out = read_word_2c(
8, 7
) * scale # Read but unused - the sensor stops updating if left unread
z_out = read_word_2c(6, 5) * scale
bearing = convert_2_bearing(z_out, x_out)
# Checking if door is open & a msg hasn't been sent yet or if door has been open for over a minute
if (isOutOfRange360(bearing, mean - offset, mean + offset)
and sendMsg) or (countOpen >= 600):
ts = time.time() # Get timestamp
send(client, ts, "PalomAlert/comp/open", qos=2)
time.sleep(
3
) # To ensure messages aren't being sent at too high a frequency
sendMsg = False
count = 600 # Ensures 'running' message is sent after the door is closed
countOpen = 0
# Checking if door has stayed open
if isOutOfRange360(bearing, mean - offset,
mean + offset) and (not sendMsg):
countOpen = countOpen + 1 # CountOpen ensures no repeat messages are sent until the door has been open for a minute
elif (count >= 600):
send(
client, None, "PalomAlert/comp/running", qos=2
) # Running message indicates to the server that the PalomAlert is live, and there is no intrusion happening
count = 0
sendMsg = True
else:
count = count + 1
countOpen = 0
sendMsg = True
time.sleep(0.2)
def Run(tempData):
offset = 10 # Offset neeeded to convert temperatures to celcius
mean = tempData[0] + offset # Conversion to celcius
count = 60 # Count allows us to send a 'running' message ~1 a minute
tolerance = 10 # Tolerance, the variation of temperature before a message is sent
client = initSender("PalomAlert/temp")
sendMsg = True # Allow to send message
countChange = 0
while True:
# Reading temperature and converting to celcius
temp = read_word_2c(0x0C, 0x0D)
temp = temp >> 6
temp = temp + offset
if ((temp < (mean - tolerance / 2) or temp >
(mean + tolerance)) and sendMsg) or countChange >= 60:
count = 60 # Ensures 'running' message is sent after the temperature returns to normal
countChange = 0
sendMsg = False
payload = {
"temp": temp,
"ts": time.time() # Send timestamp and current temperature
}
send(client, payload, "PalomAlert/temp/change", qos=2)
time.sleep(
3
) # To ensure messages aren't being sent at too high a frequency
# Checking if temperature has stayed outside of range
if (temp < (mean - tolerance / 2) or temp >
(mean + tolerance)) and (not sendMsg):
countChange = countChange + 1 # CountOpen ensures no repeat messages are sent until temperature remains changed for a minute
elif (count >= 60):
send(
client, str(temp), "PalomAlert/temp/running", qos=2
) # Running message indicates to the server that the PalomAlert is live, and there is no intrusion happening
count = 0
sendMsg = True
else:
countChange = 0
count = count + 1
sendMsg = True
time.sleep(1)
from flask import Flask, render_template, request, redirect, url_for
import json
import time
from API_network import send, initSender
client = initSender("PalomAlert/run")
#read last status from status.json
def get_status():
with open("status.json", "r") as f:
status_dict = json.load(f)
return status_dict
#read logged events from log.txt
def get_log():
with open("log.txt") as f:
content = f.readlines()
#to remove whitespace characters like `\n` at the end of each line
content = [x.strip() for x in content]
return content
#get relevant information from log to display on Events Log
def get_logStatus(log):
output = []
t_output = []
for m_event in log:
event = json.loads(m_event)
from API_network import send, initSender
client = initSender("PalomAlert/halt")
send(client, None, "PalomAlert/halt", qos=2)