sensor_tsl2561/examples/n_times.js

A node.js-module for the TSL2561 light sensor

/*
 * This file is part of sensorTSL2561 for node.
 *
 * Copyright (C) Thomas Schneider, imwebgefunden@gmail.com
 *
 * sensorTSL2561 for node is free software: you can redistribute it
 * and/or modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation, either version 3 of
 * the License, or (at your option) any later version.
 *
 * sensorTSL2561 for node is distributed in the hope that it will be
 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with sensorTSL2561 for node.  If not, see
 * <http://www.gnu.org/licenses/>.
 */

/* jslint node: true */
"use strict";

var TSL2561 = require('./../tsl2561');
var async = require('async');

var nrOfSec = 60;
var sens = new TSL2561();

function sensRead() {
    async.timesSeries(nrOfSec, function(n, next) {
        setTimeout(function() {
            sens.getLux(function(err, val) {
                console.log('light value is: ' + val + ' lux');
                next(null, val);
            });
        }, 1000);
    }, function(err, res) {
        // finished
    });
}

console.log('sensor init ...');
sens.init(function(err, val) {
    if (err) {
        console.log('error on sensor init: ' + err);
    } else {
        console.log('sensor init completed');
        sensRead();
    }
});