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82 lines
2.4 KiB
JavaScript
82 lines
2.4 KiB
JavaScript
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/*jslint node:true, vars:true, bitwise:true, unparam:true */
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/*jshint unused:true */
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/*
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* Author: Zion Orent <zorent@ics.com>
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* Copyright (c) 2015 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/* functions */
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function printButtons(touchObj)
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{
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var buttonPressed = false;
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var buttons = touchObj.getButtons();
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process.stdout.write("Buttons Pressed: ");
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for (var i=0; i<7; i++)
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{
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if (buttons & (1 << i))
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{
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process.stdout.write(i + " ");
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buttonPressed = true;
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}
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}
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if (!buttonPressed)
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process.stdout.write("None");
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console.log(" ");
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if (touchObj.isCalibrating())
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console.log("Calibration is occurring.");
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if (touchObj.isOverflowed())
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console.log("Overflow was detected.");
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}
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/* Global code that runs on startup */
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var touchSensor_lib = require('jsupm_at42qt1070');
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var I2C_BUS = touchSensor_lib.AT42QT1070_I2C_BUS;
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var DEFAULT_I2C_ADDR = touchSensor_lib.AT42QT1070_DEFAULT_I2C_ADDR;
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// Instantiate an AT42QT1070 on I2C bus 0
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var mytouchSensor_obj = new touchSensor_lib.AT42QT1070(I2C_BUS,
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DEFAULT_I2C_ADDR);
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var myInterval = setInterval(function()
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{
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mytouchSensor_obj.updateState();
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printButtons(mytouchSensor_obj);
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}, 100);
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// Print message when exiting and clear interval/memory
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process.on('SIGINT', function()
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{
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clearInterval(myInterval);
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mytouchSensor_obj = null;
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touchSensor_lib.cleanUp();
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touchSensor_lib = null;
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console.log("Exiting");
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process.exit(0);
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});
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