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_waterlevel as upmWaterlevel 26 27# The was tested with the Water Level Sensor 28# Instantiate a Water Level Sensor on digital pin D2 29myWaterLevel = upmWaterlevel.WaterLevel(2) 30 31 32## Exit handlers ## 33# This stops python from printing a stacktrace when you hit control-C 34def SIGINTHandler(signum, frame): 35 raise SystemExit 36 37# This function lets you run code on exit, 38# including functions from myWaterLevel 39def exitHandler(): 40 print "Exiting" 41 sys.exit(0) 42 43# Register exit handlers 44atexit.register(exitHandler) 45signal.signal(signal.SIGINT, SIGINTHandler) 46 47 48while(1): 49 if (myWaterLevel.isSubmerged()): 50 print "Sensor is submerged in liquid" 51 else: 52 print "Liquid is below water level sensor" 53 54 time.sleep(1) 55