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The module implements the RPR220 IR Reflective Sensor. It was tested with the Grove IR Reflective Sensor. It includes 2 examples: rpr220.cxx, demonstrating the simple use case of querying the current status. rpr220-intr.cxx demonstrates the use of this class to register an Interrupt Service Routine (ISR) to count transitions, which might be more appropriate for some use cases, such as measuring RPM's. Signed-off-by: Jon Trulson <jtrulson@ics.com> Signed-off-by: Zion Orent <zorent@ics.com> Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
50 lines
1.8 KiB
JavaScript
50 lines
1.8 KiB
JavaScript
/*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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var reflectiveSensor = require("jsupm_rpr220");
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// This example uses a simple method to determine current status
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// Instantiate an RPR220 digital pin D2
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// This was tested on the Grove IR Reflective Sensor
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var myReflectiveSensor = new reflectiveSensor.RPR220(2);
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var myInterval = setInterval(function()
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{
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if (myReflectiveSensor.blackDetected())
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console.log("Black detected");
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else
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console.log("Black NOT detected");
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}, 100);
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// When exiting: clear interval and print message
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process.on('SIGINT', function()
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{
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clearInterval(myInterval);
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console.log("Exiting...");
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process.exit(0);
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});
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