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 24 25import time, sys, signal, atexit 26import pyupm_ina132 as upmIna132 27 28# Tested with the INA132 Differential Amplifier Sensor module. 29# Instantiate an INA132 on analog pin A0 30myDifferentialAmplifier = upmIna132.INA132(0) 31 32 33## Exit handlers ## 34# This stops python from printing a stacktrace when you hit control-C 35def SIGINTHandler(signum, frame): 36 raise SystemExit 37 38# This lets you run code on exit, 39# including functions from myDifferentialAmplifier 40def exitHandler(): 41 print "Exiting" 42 sys.exit(0) 43 44# Register exit handlers 45atexit.register(exitHandler) 46signal.signal(signal.SIGINT, SIGINTHandler) 47 48 49while(1): 50 print myDifferentialAmplifier.value() 51 time.sleep(1) 52