diff --git a/examples/python/ppd42ns.py b/examples/python/ppd42ns.py new file mode 100644 index 00000000..86e037d5 --- /dev/null +++ b/examples/python/ppd42ns.py @@ -0,0 +1,56 @@ +#!/usr/bin/python +# Author: Zion Orent +# Copyright (c) 2015 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. + +import time, sys, signal, atexit +import pyupm_ppd42ns as upmPpd42ns + +# Instantiate a dust sensor on digital pin D8 +myDustSensor = upmPpd42ns.PPD42NS(8) + + +## Exit handlers ## +# This function stops python from printing a stacktrace when you hit control-C +def SIGINTHandler(signum, frame): + raise SystemExit + +# This function lets you run code on exit, including functions from myDustSensor +def exitHandler(): + print "Exiting" + sys.exit(0) + +# Register exit handlers +atexit.register(exitHandler) +signal.signal(signal.SIGINT, SIGINTHandler) + + +notice = ("This program will give readings " +"every 30 seconds until you stop it") +print notice + +while(1): + data = myDustSensor.getData() + # we need to sleep for a bit for the data to print out + time.sleep(.1) + print "Low pulse occupancy: " + str(data.lowPulseOccupancy) + print "Ratio: " + str(data.ratio) + print "Concentration: " + str(data.concentration)