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#!/usr/bin/python
# Author: Zion Orent <zorent@ics.com>
# Copyright (c) 2015 Intel Corporation.
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
import time, sys, signal, atexit
import pyupm_at42qt1070 as upmAt42qt1070
# functions
def printButtons(touchObj):
buttonPressed = False
buttons = touchObj.getButtons()
sys.stdout.write("Buttons Pressed: ")
for i in range(7):
if (buttons & (1 << i)):
sys.stdout.write(str(i) + " ")
buttonPressed = True
if (not buttonPressed):
sys.stdout.write("None")
print " "
if (touchObj.isCalibrating()):
print "Calibration is occurring."
if (touchObj.isOverflowed()):
print "Overflow was detected."
# Global code that runs on startup
I2C_BUS = upmAt42qt1070.AT42QT1070_I2C_BUS
DEFAULT_I2C_ADDR = upmAt42qt1070.AT42QT1070_DEFAULT_I2C_ADDR
# Instantiate an AT42QT1070 on I2C bus 0
myTouchSensor = upmAt42qt1070.AT42QT1070(I2C_BUS,
DEFAULT_I2C_ADDR)
# Exit handlers
def SIGINTHandler(signum, frame):
raise SystemExit
def exitHandler():
print "Exiting"
sys.exit(0)
# This function lets you run code on exit, including functions from myTouchSensor
atexit.register(exitHandler)
# This function stops python from printing a stacktrace when you hit control-C
signal.signal(signal.SIGINT, SIGINTHandler)
# Print the button being touched every 0.1 seconds
while(1):
myTouchSensor.updateState()
printButtons(myTouchSensor)
time.sleep(.1)
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