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_ta12200 as upmTa12200 26 27# Instantiate a TA12-200 sensor on analog pin A0 28myElectricitySensor = upmTa12200.TA12200(0) 29 30 31## Exit handlers ## 32# This stops python from printing a stacktrace when you hit control-C 33def SIGINTHandler(signum, frame): 34 raise SystemExit 35 36# This lets you run code on exit, 37# including functions from myElectricitySensor 38def exitHandler(): 39 print "Exiting" 40 sys.exit(0) 41 42# Register exit handlers 43atexit.register(exitHandler) 44signal.signal(signal.SIGINT, SIGINTHandler) 45 46 47# get the data every 50 milliseconds 48while(1): 49 maxVal = myElectricitySensor.highestValue() 50 current = myElectricitySensor.milliAmps(maxVal) 51 52 outputStr = "Max ADC Value: %s, current: %smA" % (maxVal, current) 53 print outputStr 54 time.sleep(.1) 55