From f0cd7843c7118e22dbf040eec5a7fd07853b76ea Mon Sep 17 00:00:00 2001 From: Zion Orent Date: Tue, 24 Mar 2015 11:35:12 -0400 Subject: [PATCH] groveelectromagnet: python example for grove electromagnet Signed-off-by: Zion Orent Signed-off-by: Mihai Tudor Panu --- examples/python/groveelectromagnet.py | 60 +++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 examples/python/groveelectromagnet.py diff --git a/examples/python/groveelectromagnet.py b/examples/python/groveelectromagnet.py new file mode 100644 index 00000000..c84af688 --- /dev/null +++ b/examples/python/groveelectromagnet.py @@ -0,0 +1,60 @@ +#!/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_groveelectromagnet as upmGroveelectromagnet + +# This was tested with the Grove Electromagnetic Module +# Instantiate a Grove Electromagnet on digital pin D2 +myElectromagnet = upmGroveelectromagnet.GroveElectromagnet(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 myElectromagnet +def exitHandler(): + print "Exiting" + myElectromagnet.off() + sys.exit(0) + +# Register exit handlers +atexit.register(exitHandler) +signal.signal(signal.SIGINT, SIGINTHandler) + + +magnetState = False + +# Turn magnet on and off every 5 seconds +while(1): + magnetState = not magnetState + if (magnetState): + myElectromagnet.on() + else: + myElectromagnet.off() + print "Turning magnet", ("on" if magnetState else "off") + + time.sleep(5)