upm/examples/javascript/rotary.js

49 lines
1.8 KiB
JavaScript
Raw Normal View History

/*
* Author: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
* Copyright (c) 2014 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.
*/
//initialization
var upm = require('jsupm_rotary');
//setup access analog input Analog pin #0 (A0)
var rotary = new upm.Rotary(0);
loop();
function loop() {
var abs = rotary.abs_value();
var absdeg = rotary.abs_deg();
var absrad = rotary.abs_rad();
var rel = rotary.rel_value();
var reldeg = rotary.rel_deg();
var relrad = rotary.rel_rad();
//write the knob value to the console in different formats
console.log("Abs: " + abs + " " + Math.round(parseInt(absdeg)) + " " + absrad.toFixed(3));
console.log("Rel: " + rel + " " + Math.round(parseInt(reldeg)) + " " + relrad.toFixed(3));
//wait 2s and call function again
setTimeout(loop, 2000);
}