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_adc121c021 as upmAdc121c021 26 27# Instantiate an ADC121C021 on I2C bus 0 28busID = upmAdc121c021.ADC121C021_I2C_BUS 29I2CAddr = upmAdc121c021.ADC121C021_DEFAULT_I2C_ADDR 30 31myAnalogDigitalConv = upmAdc121c021.ADC121C021(busID, I2CAddr) 32 33 34## Exit handlers ## 35# This stops python from printing a stacktrace when you hit control-C 36def SIGINTHandler(signum, frame): 37 raise SystemExit 38 39# This lets you run code on exit, 40# including functions from myAnalogDigitalConv 41def exitHandler(): 42 print "Exiting" 43 sys.exit(0) 44 45# Register exit handlers 46atexit.register(exitHandler) 47signal.signal(signal.SIGINT, SIGINTHandler) 48 49 50# get the data every 50 milliseconds 51while(1): 52 val = myAnalogDigitalConv.value() 53 voltsVal = myAnalogDigitalConv.valueToVolts(val) 54 print "ADC value: %s Volts = %s" % (val, voltsVal) 55 time.sleep(.05) 56