2015-12-21 14:57:04 -08:00
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/*
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* Author: Mihai Tudor Panu <mihai.tudor.panu@intel.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 lib = require('jsupm_stepmotor');
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// Instantiate a stepper motor driver on pins 2 (direction) and 3 (step)
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var stepper = new lib.StepMotor(2, 3);
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function delay(milliseconds) {
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var startTime = Date.now();
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while (Date.now() - startTime < milliseconds);
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}
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stepper.quit = function()
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{
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stepper = null;
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lib.cleanUp();
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lib = null;
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console.log("Exiting");
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process.exit(0);
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};
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// The driver is synchronous and blocking
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console.log("Rotating 1 revolution forward and back at 60 rpm.");
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stepper.setSpeed(60);
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stepper.stepForward(200);
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delay(1000);
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2015-12-22 15:20:30 -08:00
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stepper.stepBackward(200);
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2015-12-21 14:57:04 -08:00
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delay(1000);
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console.log("Rotating 1 revolution forward and back at 150 rpm.");
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stepper.setSpeed(150);
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stepper.stepForward(200);
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delay(1000);
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2015-12-22 15:20:30 -08:00
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stepper.stepBackward(200);
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2015-12-21 14:57:04 -08:00
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delay(1000);
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console.log("Rotating 1 revolution forward and back at 300 rpm.");
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stepper.setSpeed(300);
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stepper.stepForward(200);
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delay(1000);
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2015-12-22 15:20:30 -08:00
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stepper.stepBackward(200);
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2015-12-21 14:57:04 -08:00
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delay(1000);
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stepper.quit();
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