jaseg/iot-sensor
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Add heartbeat and startup monitoring, ntp-sync time

Browse source
This commit is contained in:
jaseg 2020-01-22 15:58:32 +01:00
parent 5291970420
commit c346eec622
1 changed files with 27 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

44
main.py.example
View file

@ -7,6 +7,7 @@ from uhashlib import sha256
import binascii
import math
import urequests
import ntptime
######################################################## CONFIG ########################################################
@ -19,6 +20,7 @@ import urequests
# NOTIFICATION_SECRET = b'Your notification proxy secret for this endpoint'
#
# NOTIFICATION_COOLDOWN = 60 # how long to wait after sending a notification before sending the next, in seconds
# HEARTBEAT_INTERVAL = 60 # seconds
#
# Detection settings
# MEAN_LEN = 8 # Window length for DC offset determination in seconds (1024ms to be exact)
@ -86,8 +88,11 @@ def uhmac(key, data):
outer.update(inner.digest())
return outer.digest()
def usign(secret, payload=None, seq=None):
payload = {'time': int(time.time()), 'd': payload}
def unix_time():
return int(time.time()) + 946684800 # ESP32 counts from 2000-01-01, unix from 1970-01-01
def usign(secret, scope, payload=None, seq=None):
payload = {'time': unix_time(), 'scope': scope, 'd': payload}
if seq is not None:
payload['seq'] = seq
@ -96,30 +101,35 @@ def usign(secret, payload=None, seq=None):
return ujson.dumps({'payload': payload, 'auth': auth})
def notify(**kwargs):
data = usign(NOTIFICATION_SECRET, kwargs)
print(time.time(), 'Notifying', NOTIFICATION_URL)
def notify(scope, **kwargs):
data = usign(NOTIFICATION_SECRET, scope, kwargs)
print(unix_time(), 'Notifying', NOTIFICATION_URL)
urequests.post(NOTIFICATION_URL, data=data, headers={'Content-Type': 'application/json'})
def klingel_notify(rms, capture):
notify(rms=rms, capture=capture)
def loop():
global rms, capture
last_notification, last_heartbeat = 0, 0
while True:
if rms > RMS_THRESHOLD:
wifi_connect()
old_capture = capture
rms = 0
while rms == 0:
time.sleep(0.1)
rms = 0
klingel_notify(rms, [old_capture, capture])
time.sleep(NOTIFICATION_COOLDOWN)
now = unix_time()
if (now - last_notification) > NOTIFICATION_COOLDOWN and rms > RMS_THRESHOLD:
wifi_connect()
old_capture = capture
rms = 0
while rms == 0:
time.sleep(0.1)
rms = 0
notify('default', rms=rms, capture=[old_capture, capture])
last_notification = now
if (now - last_heartbeat) > HEARTBEAT_INTERVAL:
notify('heartbeat')
last_heartbeat = now
time.sleep(0.1)
wifi_connect()
ntptime.settime()
start_sampling()
notify('boot')
loop()