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@superroma superroma/control.py
Created Oct 14, 2018

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Temperature and power monitor
# -*- coding: utf-8 -*-
from time import sleep
import sys
import random
import cloud4rpi
import ds18b20
import rpi
import RPi.GPIO as GPIO # pylint: disable=F0401
# Put your device token here. To get the token,
# sign up at https://cloud4rpi.io and create a device.
DEVICE_TOKEN = 'your device token from cloud4rpi.io'
# Constants
DATA_SENDING_INTERVAL = 300 # sec
DIAG_SENDING_INTERVAL = 3600 # sec
POLL_INTERVAL = 1 # sec
def ups_status():
result = rpi.parse_output(r'STATUS\s+:\s+(\S+)', ['/etc/init.d/apcupsd', 'status'])
if result:
return result
else:
return 'UNKNOWN'
def main():
ds18b20.init_w1()
ds_sensors = ds18b20.DS18b20.find_all()
variables = {
'RoomTemp': {
'type': 'numeric',
'bind': ds_sensors[0] if ds_sensors else None
},
'UPSStatus': {
'type': 'string',
'bind': ups_status
}
}
diagnostics = {
'CPU Temp': rpi.cpu_temp,
'IP Address': rpi.ip_address,
'Host': rpi.host_name,
'Operating System': rpi.os_name
}
device = cloud4rpi.connect(DEVICE_TOKEN)
try:
device.declare(variables)
device.declare_diag(diagnostics)
device.publish_config()
# Adds a 1 second delay to ensure device variables are created
sleep(1)
data_timer = 0
diag_timer = 0
prevUPS = 'ONLINE'
while True:
newUPS = ups_status()
if (data_timer <= 0) or (newUPS != prevUPS):
device.publish_data()
data_timer = DATA_SENDING_INTERVAL
prevUPS = newUPS
if diag_timer <= 0:
device.publish_diag()
diag_timer = DIAG_SENDING_INTERVAL
sleep(POLL_INTERVAL)
diag_timer -= POLL_INTERVAL
data_timer -= POLL_INTERVAL
except KeyboardInterrupt:
cloud4rpi.log.info('Keyboard interrupt received. Stopping...')
except Exception as e:
error = cloud4rpi.get_error_message(e)
cloud4rpi.log.exception("ERROR! %s %s", error, sys.exc_info()[0])
finally:
sys.exit(0)
if __name__ == '__main__':
main()
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