1#!/usr/bin/python
2# Author: Zion Orent <zorent@ics.com>
3# Copyright (c) 2015 Intel Corporation.
4#
5# Permission is hereby granted, free of charge, to any person obtaining
6# a copy of this software and associated documentation files (the
7# "Software"), to deal in the Software without restriction, including
8# without limitation the rights to use, copy, modify, merge, publish,
9# distribute, sublicense, and/or sell copies of the Software, and to
10# permit persons to whom the Software is furnished to do so, subject to
11# the following conditions:
12#
13# The above copyright notice and this permission notice shall be
14# included in all copies or substantial portions of the Software.
15#
16# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23
24import time, sys, signal, atexit
25import pyupm_groveeldriver as upmGroveeldriver
26
27# The was tested with the Grove El Driver Module
28# Instantiate a Grove El Driver on digital pin D2
29myEldriver = upmGroveeldriver.GroveElDriver(2)
30
31
32## Exit handlers ##
33# This function stops python from printing a stacktrace when you hit control-C
34def SIGINTHandler(signum, frame):
35	raise SystemExit
36
37# This function lets you run code on exit, including functions from myEldriver
38def exitHandler():
39	print "Exiting"
40	myEldriver.off()
41	sys.exit(0)
42
43# Register exit handlers
44atexit.register(exitHandler)
45signal.signal(signal.SIGINT, SIGINTHandler)
46
47
48lightState = True
49
50while(1):
51	if (lightState):
52		myEldriver.on()
53	else:
54		myEldriver.off()
55	lightState = not lightState
56
57	time.sleep(1)
58