mirror of
https://github.com/eclipse/upm.git
synced 2025-03-15 04:57:30 +03:00
55 lines
2.0 KiB
Python
55 lines
2.0 KiB
Python
# Author: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
|
|
# Copyright (c) 2014 Intel Corporation.
|
|
#
|
|
# 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.
|
|
|
|
from time import sleep
|
|
import pyupm_gas as TP401
|
|
|
|
# Give a qualitative meaning to the value from the sensor
|
|
def airQuality(value):
|
|
if(value < 50): return "Fresh Air"
|
|
if(value < 200): return "Normal Indoor Air"
|
|
if(value < 400): return "Low Pollution"
|
|
if(value < 600): return "High Pollution - Action Recommended"
|
|
return "Very High Pollution - Take Action Immediately"
|
|
|
|
# New Grove Air Quality Sensor on AIO pin 0
|
|
airSensor = TP401.TP401(0)
|
|
|
|
# Wait for sensor to warm up
|
|
print "Sensor is warming up for 3 minutes..."
|
|
for i in range (1, 4):
|
|
sleep(60)
|
|
print i, "minute(s) passed."
|
|
print "Sensor is ready!"
|
|
|
|
# Loop indefinitely
|
|
while True:
|
|
|
|
# Read values (consecutive reads might vary slightly)
|
|
value = airSensor.getSample()
|
|
ppm = airSensor.getPPM()
|
|
|
|
print "raw: %4d" % value , " ppm: %5.2f " % ppm , airQuality(value)
|
|
|
|
# Sleep for 2.5 s
|
|
sleep(2.5)
|