potato/laundry-notifier
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Merge branch 'ifttt'

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This commit is contained in:
Ian Adam Naval 2015-09-14 22:52:05 -04:00
commit b26802003d
1 changed files with 39 additions and 20 deletions
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59
laundry_notifier/run.py
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@ -1,20 +1,17 @@
import time import configparser
import datetime
import smtplib
import math import math
from email.mime.text import MIMEText import smtplib
import time
from datetime import datetime from datetime import datetime
from email.mime.text import MIMEText
import requests
from microstacknode.hardware.accelerometer.mma8452q import MMA8452Q from microstacknode.hardware.accelerometer.mma8452q import MMA8452Q
EMAIL_USERNAME = 'noreply@ianonavy.com' EMAIL_USERNAME = 'noreply@ianonavy.com'
EMAIL_PASSWORD = 'S2PENjQbO6=cHgchw@CXs.bJ' EMAIL_PASSWORD = 'S2PENjQbO6=cHgchw@CXs.bJ'
RECIPIENT_EMAILS = [ RECIPIENT_EMAILS = ['ianonavy@gmail.com']
'ianonavy@gmail.com',
'dmurvihill@gmail.com',
'5038304363@tmomail.net'
]
ALERT_EMAIL_TEXT = """Hi, ALERT_EMAIL_TEXT = """Hi,
Your laundry is done. Or maybe your roomate's. I don't know. Your laundry is done. Or maybe your roomate's. I don't know.
@ -27,6 +24,8 @@ INTERVAL = 0.005 # seconds
WINDOW_SIZE = 1000 # intervals WINDOW_SIZE = 1000 # intervals
THRESHOLD = 0.025 # G's THRESHOLD = 0.025 # G's
MAX_EMAIL_FREQUENCY = 60 # seconds MAX_EMAIL_FREQUENCY = 60 # seconds
MAX_NOTIFICATION_FREQUENCY = 60 # seconds
CONFIG_FILE_PATH = '/home/pi/laundry-notifier/laundry_notifier/laundry_notifier.conf'
def average(s): def average(s):
@ -42,7 +41,7 @@ def stdev(s):
def notify_user(recipient_email_address): def notify_user(recipient_email_address):
print("Alerting " + recipient_email_address) log("Alerting " + recipient_email_address)
msg = MIMEText(ALERT_EMAIL_TEXT) msg = MIMEText(ALERT_EMAIL_TEXT)
@ -71,21 +70,32 @@ def enqueue(sliding_window, item):
def amplitude_stdev(sliding_window): def amplitude_stdev(sliding_window):
standard_deviations = {} standard_deviations = {}
for key in ('x', 'y', 'z'): for key in ('x', 'y', 'z'):
values = [instance[key] for instance in sliding_window] values = [measurement[key] for measurement in sliding_window]
standard_deviations[key] = stdev(values) standard_deviations[key] = stdev(values)
return standard_deviations return standard_deviations
def send_emails(last_email_sent_at): def send_notifications(last_notification_sent_at, iftttkey):
print((datetime.now() - last_email_sent_at).seconds) # for debugging seconds_since_last_notification = \
# limit frequency of emails (datetime.now() - last_notification_sent_at).seconds
if (datetime.now() - last_email_sent_at).seconds > MAX_EMAIL_FREQUENCY: # Log the time notifications were sent
log("Sending notification after %ds" % seconds_since_last_notification)
# limit frequency of notifications
if seconds_since_last_notification > MAX_NOTIFICATION_FREQUENCY:
[notify_user(email) for email in RECIPIENT_EMAILS] [notify_user(email) for email in RECIPIENT_EMAILS]
# Notify if this, then that
requests.get(
'https://maker.ifttt.com/trigger/laundry_done/with/key/%s'
% iftttkey)
return datetime.now() return datetime.now()
return last_email_sent_at return last_notification_sent_at
def main(): def main():
log('started laundry notifier')
config = configparser.ConfigParser()
config.read(CONFIG_FILE_PATH)
iftttkey = config['notifications']['ifttt_key']
with MMA8452Q() as accelerometer: with MMA8452Q() as accelerometer:
# Configure accelerometer # Configure accelerometer
accelerometer.standby() accelerometer.standby()
@ -97,24 +107,33 @@ def main():
sliding_window = [] sliding_window = []
dryer_state = 'off' dryer_state = 'off'
last_email_sent_at = datetime(1970, 1, 1, 0, 0, 0) last_notification_sent_at = datetime(1970, 1, 1, 0, 0, 0)
while True: while True:
g_values = accelerometer.get_xyz() g_values = accelerometer.get_xyz()
enqueue(sliding_window, g_values) enqueue(sliding_window, g_values)
sliding_stdev = amplitude_stdev(sliding_window) sliding_stdev = amplitude_stdev(sliding_window)
print(sliding_stdev, dryer_state, len(sliding_window))
# don't send emails right at the beginning
if g_values: if g_values:
if sliding_stdev['x'] < THRESHOLD: if sliding_stdev['x'] < THRESHOLD:
# Notify recipients on state transitions from 'on' to 'off'
if dryer_state == 'on': if dryer_state == 'on':
last_email_sent_at = send_emails(last_email_sent_at) log('Dryer turned off; sliding stdev is %f' % sliding_stdev['x'])
last_notification_sent_at = send_notifications(
last_notification_sent_at,
iftttkey)
dryer_state = 'off' dryer_state = 'off'
else: else:
# Log state transitions from 'off' to 'on'
if dryer_state == 'off':
log('Dryer turned on; sliding stdev is %f' % sliding_stdev['x'])
dryer_state = 'on' dryer_state = 'on'
time.sleep(INTERVAL) time.sleep(INTERVAL)
def log(message):
print('%s\t%s' % (datetime.isoformat(datetime.now()), message))
if __name__ == '__main__': if __name__ == '__main__':
main() main()