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serial_arduino.py
executable file
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serial_arduino.py
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#!/usr/bin/env python
import pexpect #in case you want to read and communicate with arduino
import fdpexpect #for serial port
import serial #pyserial
import sys
import time
import string #useful string stuff
import subprocess
import os
import re # useful string stuff for pexpect
import logging #for logging info and warnings
import smtplib #for sending emails when warning
import threading #used for creating threads
from email.MIMEMultipart import MIMEMultipart
from email.MIMEText import MIMEText
import itertools
import datetime
##############################################################
## Functions defined here ##
##############################################################
port='/dev/ttyACM0' #port that arduino is plugged in to
global tank_temp, led_temp, blue, white #variables to monitor
global start
flag = False
start = 0
def Open_serial():
global ser
ser = serial.Serial(port,9600)
ser.flushInput()
time.sleep(1)
global child
fd = os.open(port, os.O_RDWR|os.O_NONBLOCK|os.O_NOCTTY)
child = fdpexpect.fdspawn(fd) # Note integer fd is used instead of usual string.
child.logfile_read = sys.stdout
child.logfile_send = sys.stdout
def ping():
retcode = subprocess.check_call(["ping", "-w 3", "www.google.com"])
if retcode != 0:
print "error no ping, will reboot now"
net_reboot = subprocess.check_call(["sudo", "service", "network", "restart"])
if net_reboot != 0:
subprocess.call(["sudo", "reboot"])
else:
print "ping success"
my_ip = subprocess.Popen(["curl", "ifconfig.me"], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
output, err = my_ip.communicate()
my_ip = output
return my_ip
def blue_percent(w):
dict = {'255':'0','240':'10','225':'20','210':'30','195':'40','180':'50','165':'60','150':'70','135':'80','120':'90','100':'100'}
blue_per = dict[w]
print dict[w],'%'
return blue_per
def white_percent(w):
dict = {'255':'0','242':'10','229':'20','216':'30','203':'40','190':'50','177':'60','164':'70','151':'80','138':'90','125':'100'}
white_per = dict[w]
print dict[w],'%'
return white_per
def send_email(subject,var):
my_ip = ping()
SMTP_SERVER = 'smtp.gmail.com'
SMTP_PORT = 587
msg = MIMEMultipart()
msg["Subject"] = subject
msg["From"] = "cel.fishtank@gmail.com"
msg["To"] = "ce.lambert4@gmail.com"
msg["Cc"] = "claudia.grossi@gmail.com,ana.lambertg@gmail.com"
body = MIMEText("Warning error occurred!! " + subject +": " + str(var) + '\r\n' + "Home IP: " + my_ip)
msg.attach(body)
# Credentials (if needed)
username = 'cel.fishtank'
password = 'rabbit2013'
# The actual mail send
session = smtplib.SMTP(SMTP_SERVER, SMTP_PORT)
session.ehlo()
session.starttls()
session.ehlo
session.login(username, password)
session.sendmail(msg["From"], msg["To"].split(",") + msg["Cc"].split(","), msg.as_string())
session.quit()
def ip_mail(subject):
my_ip = ping()
SMTP_SERVER = 'smtp.gmail.com'
SMTP_PORT = 587
msg = MIMEMultipart()
msg["Subject"] = subject
msg["From"] = "cel.fishtank@gmail.com"
msg["To"] = "ce.lambert4@gmail.com"
msg["Cc"] = ""
body = MIMEText("Current IP is: " + my_ip)
msg.attach(body)
# Credentials (if needed)
username = 'cel.fishtank'
password = 'rabbit2013'
# The actual mail send
session = smtplib.SMTP(SMTP_SERVER, SMTP_PORT)
session.ehlo()
session.starttls()
session.ehlo
session.login(username, password)
session.sendmail(msg["From"], msg["To"].split(",") + msg["Cc"].split(","), msg.as_string())
session.quit()
def trusty_sleep(n):
start = time.time()
while (time.time() - start < n):
time.sleep(n - (time.time() - start))
def raise_flag():
global start
interval = 120
if start > interval:
start = 0
flag = True
return flag
else:
flag = False
start = start + 1
time.sleep(1)
return flag
############################################################
## MAIN ##
############################################################
Open_serial()
while True:
now = datetime.datetime.now()
line = ser.readline()
if line:
tmp = line.split()
if 'tank' in line:
tank_temp = float(tmp[1])
print 'Tank temperature:',tank_temp
if tank_temp >= 27.00 and tank_temp != 85.00:
print str(now)
flag = raise_flag()
if flag:
send_email('Tank temperature overheat',tank_temp)
flag = False
elif tank_temp <= 24.00 and tank_temp != 85.00:
print str(now)
flag = raise_flag()
if flag:
send_email('Tank temperature too low',tank_temp)
flag = False
if 'led' in line:
led_temp = float(tmp[1])
print 'Lights temperature:',led_temp
if led_temp >= 40.00 and led_temp != 85.00:
print str(now)
flag = raise_flag()
if flag:
send_email('Lights temperature Overheat',led_temp)
flag = False
if 'White' in line:
white_pwm = tmp[1]
print 'White lights PWM value:',white_pwm
white_per = white_percent(white_pwm)
print 'White lights % value:',white_per
if 'Blue' in line:
blue_pwm = tmp[1]
print 'Blue lights PWM:',blue_pwm
blue_per = blue_percent(blue_pwm)
print 'Blue lights % value:',blue_per
if datetime.datetime.today().weekday() == 6:
if datetime.datetime.now().minute == 30 and datetime.datetime.now().hour == 11:
ip_mail('Fishtank IP')
trusty_sleep(60)
print str(now)
time.sleep(1)