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/*jslint node:true, vars:true, bitwise:true, unparam:true */
/*jshint unused:true */
/*
* Author: Jon Trulson <jtrulson@ics.com>
* Copyright (c) 2015 Intel Corporation.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
var grovemdObj = require('jsupm_grovemd');
// This example demonstrates using the GroveMD to drive a stepper motor
function start()
{
if (motor)
{
// configure it, for this example, we'll assume 200 steps per rev
motor.configStepper(200);
motor.setStepperSteps(100);
// start it going at 10 RPM
motor.enableStepper(grovemdObj.GroveMD.STEP_DIR_CW, 10);
}
}
function reverse()
{
if (motor)
{
// now reverse
motor.setStepperSteps(100);
// start it going at 10 RPM
motor.enableStepper(grovemdObj.GroveMD.STEP_DIR_CCW, 10);
}
}
function end()
{
if (motor)
{
motor.disableStepper();
}
exit();
}
// When exiting: clear memory and print exit message
function exit()
{
if (motor)
{
motor = null;
grovemdObj.cleanUp();
}
grovemdObj = null;
console.log("Exiting");
process.exit(0);
}
// Instantiate an I2C Grove Motor Driver on I2C bus 0
var motor = new grovemdObj.GroveMD(
grovemdObj.GROVEMD_I2C_BUS,
grovemdObj.GROVEMD_DEFAULT_I2C_ADDR);
start();
setTimeout(function()
{
reverse();
setTimeout(end, 3000);
}, 3000);
process.on('SIGINT', function()
{
exit();
});
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