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43 lines
1018 B
JavaScript
43 lines
1018 B
JavaScript
/*
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* Author: Jon Trulson <jtrulson@ics.com>
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* Copyright (c) 2017 Intel Corporation.
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*
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* The MIT License
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*
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* This program and the accompanying materials are made available under the
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* terms of the The MIT License which is available at
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* https://opensource.org/licenses/MIT.
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*
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* SPDX-License-Identifier: MIT
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*/
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var lcdksObj = require('jsupm_lcdks');
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// Instantiate a LCDKS (LCD Keypad Shield) using default pins
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// NOTE: The default pins do not include support for a gpio
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// controlled backlight. If you need one, you will need to specify
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// all neccessary pins to the constructor.
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var lcd = new lcdksObj.LCDKS();
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lcd.setCursor(0,0);
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lcd.write("LCDKS driver");
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lcd.setCursor(1,2);
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lcd.write("Hello World");
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// output current key value every second.
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setInterval(function()
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{
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console.log("Button value: " + lcd.getKeyValue());
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}, 1000);
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// exit on ^C
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process.on('SIGINT', function()
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{
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lcd = null;
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lcdksObj.cleanUp();
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lcdksObj = null;
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console.log("Exiting.");
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process.exit(0);
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});
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