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_my9221 as upmMy9221 26 27# Instantiate a MY9221, we use D2 for the data, and D3 for the 28# data clock. This was tested with a Grove LED bar. 29myLEDBar = upmMy9221.MY9221(2, 3) 30 31 32# Exit handlers 33def SIGINTHandler(signum, frame): 34 raise SystemExit 35 36def exitHandler(): 37 myLEDBar.setBarLevel(0, True) 38 print "Exiting" 39 sys.exit(0) 40 41# This function lets you run code on exit 42atexit.register(exitHandler) 43# This function stops python from printing a stacktrace when you hit control-C 44signal.signal(signal.SIGINT, SIGINTHandler) 45 46 47directionBool = True 48level = 1 49 50x = 0 51while(1): 52 # If it's less than 10 53 # light up the LED now 54 # call show_LED again in 50 ms 55 if (level <= 10): 56 myLEDBar.setBarLevel(level, directionBool) 57 level += 1 58 # Switch LED lighting directions between lighting cycles 59 else: 60 directionBool = not directionBool 61 level = 1 62 time.sleep(1) 63 time.sleep(.05) 64 x += 1 65