From 14d45b89af442ea71bae6769e72d843fe5c0db70 Mon Sep 17 00:00:00 2001 From: Zion Orent Date: Mon, 23 Mar 2015 14:26:58 -0400 Subject: [PATCH] at42qt1070: python example for at42qt1070 Q-touch sensor Signed-off-by: Zion Orent Signed-off-by: Mihai Tudor Panu --- examples/python/at42qt1070.py | 79 +++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 examples/python/at42qt1070.py diff --git a/examples/python/at42qt1070.py b/examples/python/at42qt1070.py new file mode 100644 index 00000000..06addfe9 --- /dev/null +++ b/examples/python/at42qt1070.py @@ -0,0 +1,79 @@ +#!/usr/bin/python +# Author: Zion Orent +# 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)