From aba51d10c7861265a15020071142698acdf5af9a Mon Sep 17 00:00:00 2001 From: Zion Orent Date: Tue, 24 Mar 2015 10:07:56 -0400 Subject: [PATCH] rpr220: python example for rpr220 Infrared Reflective Sensor Signed-off-by: Zion Orent Signed-off-by: Mihai Tudor Panu --- examples/python/rpr220.py | 56 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 examples/python/rpr220.py diff --git a/examples/python/rpr220.py b/examples/python/rpr220.py new file mode 100644 index 00000000..edf14ca2 --- /dev/null +++ b/examples/python/rpr220.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_rpr220 as upmRpr220 + +# This example uses a simple method to determine current status + +# Instantiate an RPR220 digital pin D2 +# This was tested on the Grove IR Reflective Sensor +myReflectiveSensor = upmRpr220.RPR220(2) + + +## Exit handlers ## +# This stops python from printing a stacktrace when you hit control-C +def SIGINTHandler(signum, frame): + raise SystemExit + +# This lets you run code on exit, +# including functions from myReflectiveSensor +def exitHandler(): + print "Exiting" + sys.exit(0) + +# Register exit handlers +atexit.register(exitHandler) +signal.signal(signal.SIGINT, SIGINTHandler) + + +while(1): + if (myReflectiveSensor.blackDetected()): + print "Black detected" + else: + print "Black NOT detected" + + time.sleep(.1)