2015-04-08 17:33:24 -06:00
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/*
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* Author: Jon Trulson <jtrulson@ics.com>
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2016-10-24 16:04:51 -06:00
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* Copyright (c) 2015-2016 Intel Corporation.
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2015-04-08 17:33:24 -06:00
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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 Uln200xa_lib = require('jsupm_uln200xa');
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// Instantiate a Stepper motor on a ULN200XA Darlington Motor Driver
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// This was tested with the Grove Geared Step Motor with Driver
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// Instantiate a ULN2003XA stepper object
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var myUln200xa_obj = new Uln200xa_lib.ULN200XA(4096, 8, 9, 10, 11);
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myUln200xa_obj.goForward = function()
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{
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myUln200xa_obj.setSpeed(5); // 5 RPMs
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2016-10-24 16:04:51 -06:00
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myUln200xa_obj.setDirection(Uln200xa_lib.ULN200XA_DIR_CW);
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2015-04-08 17:33:24 -06:00
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console.log("Rotating 1 revolution clockwise.");
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myUln200xa_obj.stepperSteps(4096);
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};
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myUln200xa_obj.reverseDirection = function()
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{
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console.log("Rotating 1/2 revolution counter clockwise.");
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2016-10-24 16:04:51 -06:00
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myUln200xa_obj.setDirection(Uln200xa_lib.ULN200XA_DIR_CCW);
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2015-04-08 17:33:24 -06:00
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myUln200xa_obj.stepperSteps(2048);
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};
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myUln200xa_obj.stop = function()
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{
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myUln200xa_obj.release();
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};
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myUln200xa_obj.quit = function()
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{
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myUln200xa_obj = null;
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Uln200xa_lib.cleanUp();
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Uln200xa_lib = null;
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console.log("Exiting");
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process.exit(0);
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};
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// Run ULN200xa driven stepper
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myUln200xa_obj.goForward();
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setTimeout(myUln200xa_obj.reverseDirection, 2000);
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setTimeout(function()
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{
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myUln200xa_obj.stop();
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myUln200xa_obj.quit();
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}, 2000);
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