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_nunchuck as upmNunchuck
26
27# Instantiate a nunchuck controller bus 0 on I2C
28myNunchuck = upmNunchuck.NUNCHUCK(0)
29
30
31## Exit handlers ##
32# This function stops python from printing a stacktrace when you hit control-C
33def SIGINTHandler(signum, frame):
34	raise SystemExit
35
36# This function lets you run code on exit, including functions from myNunchuck
37def exitHandler():
38	print "Exiting"
39	sys.exit(0)
40
41# Register exit handlers
42atexit.register(exitHandler)
43signal.signal(signal.SIGINT, SIGINTHandler)
44
45
46# always do this first
47print "Initializing... "
48if (not myNunchuck.init()):
49	print "nunchuck->init() failed."
50	sys.exit(0);
51
52def buttonStateStr(buttonState):
53	return "pressed" if buttonState else "not pressed"
54
55# Print the X and Y input values every second
56while(1):
57	myNunchuck.update()
58
59	outputStr = "stickX: {0}, stickY: {1}".format(
60	myNunchuck.stickX, myNunchuck.stickY)
61	print outputStr
62	outputStr = "accelX: {0}, accelY: {1}, accelZ: {2}".format(
63	myNunchuck.accelX, myNunchuck.accelY, myNunchuck.accelZ)
64	print outputStr
65
66	outputStr = "button C: {0}".format(
67	buttonStateStr(myNunchuck.buttonC))
68	print outputStr
69	outputStr = "button Z: {0}".format(
70	buttonStateStr(myNunchuck.buttonZ))
71	print outputStr
72
73	time.sleep(.1)
74