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63 lines
1.5 KiB
JavaScript
63 lines
1.5 KiB
JavaScript
/*
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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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* 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 HBridge_lib = require('jsupm_l298');
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// Instantiate one of the 2 possible DC motors on a L298 Dual
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// H-Bridge. For controlling a stepper motor, see the l298-stepper
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// example.
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var myHBridge_obj = new HBridge_lib.L298(3, 4, 7);
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/*****************************
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* Instantiate H-bridge object
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******************************/
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myHBridge_obj.goForward = function()
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{
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console.log("Starting motor at 50% for 3 seconds...");
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myHBridge_obj.setSpeed(50);
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myHBridge_obj.setDirection(HBridge_lib.L298.DIR_CW);
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myHBridge_obj.enable(true);
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};
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myHBridge_obj.reverseDirection = function()
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{
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console.log("Reversing direction...");
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myHBridge_obj.setDirection(HBridge_lib.L298.DIR_NONE); // fast stop
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myHBridge_obj.setDirection(HBridge_lib.L298.DIR_CCW);
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};
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myHBridge_obj.stop = function()
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{
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myHBridge_obj.setSpeed(0);
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myHBridge_obj.enable(false);
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};
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myHBridge_obj.quit = function()
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{
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myHBridge_obj = null;
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HBridge_lib.cleanUp();
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HBridge_lib = null;
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console.log("Exiting");
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process.exit(0);
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};
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/************************
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* Run H-bridge!
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*************************/
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myHBridge_obj.goForward();
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setTimeout(myHBridge_obj.reverseDirection, 3000);
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setTimeout(function()
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{
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myHBridge_obj.stop();
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myHBridge_obj.quit();
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}, 6000);
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