1 #!/usr/bin/python 2 # 3 # Author: Jon Trulson <jtrulson (at] ics.com> 4 # Copyright (c) 2015 Intel Corporation. 5 # 6 # Permission is hereby granted, free of charge, to any person obtaining 7 # a copy of this software and associated documentation files (the 8 # "Software"), to deal in the Software without restriction, including 9 # without limitation the rights to use, copy, modify, merge, publish, 10 # distribute, sublicense, and/or sell copies of the Software, and to 11 # permit persons to whom the Software is furnished to do so, subject to 12 # the following conditions: 13 # 14 # The above copyright notice and this permission notice shall be 15 # included in all copies or substantial portions of the Software. 16 # 17 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 20 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 21 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 25 import time, sys, signal, atexit 26 import pyupm_grovecircularled as upmGroveCircularLED 27 28 # Exit handlers 29 def SIGINTHandler(signum, frame): 30 raise SystemExit 31 32 def exitHandler(): 33 circle.setLevel(0, True) 34 print "Exiting" 35 sys.exit(0) 36 37 # This function lets you run code on exit 38 atexit.register(exitHandler) 39 # This function stops python from printing a stacktrace when you hit control-C 40 signal.signal(signal.SIGINT, SIGINTHandler) 41 42 # Instantiate a Grove Circular LED on gpio pins 5 and 4 43 circle = upmGroveCircularLED.GroveCircularLED(5, 4) 44 45 level = 0 46 47 while(1): 48 circle.setSpinner(level) 49 level = (level + 1) % 24 50 time.sleep(.1) 51
