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_otp538u as upmOtp538u
26
27# analog voltage, usually 3.3 or 5.0
28OTP538U_AREF = 5.0
29
30# Instantiate a OTP538U on analog pins A0 and A1
31# A0 is used for the Ambient Temperature and A1 is used for the
32# Object temperature.
33myTempIR = upmOtp538u.OTP538U(0, 1, OTP538U_AREF)
34
35
36## Exit handlers ##
37# This stops python from printing a stacktrace when you hit control-C
38def SIGINTHandler(signum, frame):
39	raise SystemExit
40
41# This lets you run code on exit, including functions from myTempIR
42def exitHandler():
43	print "Exiting"
44	sys.exit(0)
45
46# Register exit handlers
47atexit.register(exitHandler)
48signal.signal(signal.SIGINT, SIGINTHandler)
49
50
51while(1):
52	outputStr = ("Ambient temp: {0}"
53	" C, Object temp: {1}"
54	" C".format(myTempIR.ambientTemperature(),
55	myTempIR.objectTemperature()))
56	print outputStr
57
58	time.sleep(1)
59