#!/usr/bin/env python # Author: Jon Trulson # Copyright (c) 2017 Intel Corporation. # # The MIT License # # 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. from __future__ import print_function import time, sys, signal, atexit from upm import pyupm_lcdks as lcdksObj def main(): ## Exit handlers ## # This stops python from printing a stacktrace when you hit control-C def SIGINTHandler(signum, frame): raise SystemExit # This function lets you run code on exit, def exitHandler(): print("Exiting") sys.exit(0) # Register exit handlers atexit.register(exitHandler) signal.signal(signal.SIGINT, SIGINTHandler) # Instantiate a LCDKS (LCD Keypad Shield) using default pins # NOTE: The default pins do not include support for a gpio # controlled backlight. If you need one, you will need to specify # all neccessary pins to the constructor. lcd = lcdksObj.LCDKS() lcd.setCursor(0,0) lcd.write("LCDKS driver") lcd.setCursor(1,2) lcd.write("Hello World") # output current key value every second. while(1): print("Button value: ", lcd.getKeyValue()) time.sleep(1) if __name__ == '__main__': main()