-
Notifications
You must be signed in to change notification settings - Fork 0
/
DHT22LoggerAVR.py
109 lines (86 loc) · 3.88 KB
/
DHT22LoggerAVR.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
# Copyright (c) 2015
# Author: Janne Posio
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE
# This script is intended to use with Adafruit DHT22 temperature and humidity sensors
# and with sensor libraries that Adafruit provides for them. This script alone, without
# sensor/s to provide data for it doesn't really do anyting useful.
# For guidance how to create your own temperature logger that makes use of this script,
# Adafruit DHT22 sensors and raspberry pi, visit :
# http://www.instructables.com/id/Raspberry-PI-and-DHT22-temperature-and-humidity-lo/
#!/usr/bin/python2
#coding=utf-8
import os
import re
import sys
import datetime
from datetime import timedelta
import json
import subprocess
import MySQLdb
import smtplib
from email.MIMEMultipart import MIMEMultipart
from email.MIMEText import MIMEText
# function for reading DHT22 sensors
def sensorReadings(gpio, sensor):
configurations = getConfigurations()
adafruit = configurations["adafruitpath"]
sensorReadings = subprocess.check_output(['sudo',adafruit,sensor,gpio])
try:
# try to read neagtive numbers
temperature = re.findall(r"Temp=(-\d+.\d+)", sensorReadings)[0]
except:
# if negative numbers caused exception, they are supposed to be positive
try:
temperature = re.findall(r"Temp=(\d+.\d+)", sensorReadings)[0]
except:
pass
humidity = re.findall(r"Humidity=(\d+.\d+)", sensorReadings)[0]
intTemp = float(temperature)
intHumidity = float(humidity)
print("WORKING... Temp {0} and Humidity {1}".format(intTemp, intHumidity))
return intTemp, intHumidity
# function for getting weekly average temperatures
# function that sends emails, either warning or weekly averages in order to see that pi is alive
# helper function for database actions. Handles select, insert and sqldumpings. Update te be added later
def databaseHelper():
configurations = getConfigurations()
host = "172.16.12.14"
user = "logger"
password = "loggerpassword"
database = "temperatures"
sensor1temp, sensor1humidity = sensorReadings("2", "22")
sensor1 = "Sensore 2"
currentTime = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
data = ""
db = MySQLdb.connect(host,user,password,database)
cursor=db.cursor()
cursor.execute("INSERT INTO temperaturedata SET dateandtime='{0}', sensor='{1}', temperature='{2}', humidity='{3}'".format(currentTime, sensor1, sensor1temp, sensor1humidity))
db.commit()
print("Committed..")
db.close()
# function for checking log that when last warning was sended, also inserts new entry to log if warning is sent
def getConfigurations():
path = os.path.dirname(os.path.realpath(sys.argv[0]))
#get configs
configurationFile = path + '/config.json'
configurations = json.loads(open(configurationFile).read())
return configurations
def main():
databaseHelper(
)
if __name__ == "__main__":
main()