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_at42qt1070 as upmAt42qt1070 26 27# functions 28def printButtons(touchObj): 29 buttonPressed = False 30 buttons = touchObj.getButtons() 31 32 sys.stdout.write("Buttons Pressed: ") 33 for i in range(7): 34 if (buttons & (1 << i)): 35 sys.stdout.write(str(i) + " ") 36 buttonPressed = True 37 38 if (not buttonPressed): 39 sys.stdout.write("None") 40 41 print " " 42 43 if (touchObj.isCalibrating()): 44 print "Calibration is occurring." 45 46 if (touchObj.isOverflowed()): 47 print "Overflow was detected." 48 49 50# Global code that runs on startup 51 52I2C_BUS = upmAt42qt1070.AT42QT1070_I2C_BUS 53DEFAULT_I2C_ADDR = upmAt42qt1070.AT42QT1070_DEFAULT_I2C_ADDR 54 55# Instantiate an AT42QT1070 on I2C bus 0 56myTouchSensor = upmAt42qt1070.AT42QT1070(I2C_BUS, 57 DEFAULT_I2C_ADDR) 58 59 60# Exit handlers 61def SIGINTHandler(signum, frame): 62 raise SystemExit 63 64def exitHandler(): 65 print "Exiting" 66 sys.exit(0) 67 68 69# This function lets you run code on exit, including functions from myTouchSensor 70atexit.register(exitHandler) 71# This function stops python from printing a stacktrace when you hit control-C 72signal.signal(signal.SIGINT, SIGINTHandler) 73 74 75# Print the button being touched every 0.1 seconds 76while(1): 77 myTouchSensor.updateState() 78 printButtons(myTouchSensor) 79 time.sleep(.1) 80