/* * Author: Abhishek Malik * 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. */ import upm_gas.Gas; import upm_gas.MQ2; import upm_gas.MQ3; import upm_gas.MQ4; import upm_gas.MQ5; import upm_gas.MQ6; import upm_gas.MQ7; import upm_gas.MQ8; import upm_gas.MQ9; import upm_gas.TP401; import upm_gas.thresholdContext; public class GroveMQ3_Example { public static void main(String[] args) { // TODO Auto-generated method stub //! [Interesting] // initialize the sensor on A0 MQ3 mq3 = new MQ3(0); short[] buffer = new short[128]; thresholdContext context = new thresholdContext(); context.setAverageReading(0); context.setRunningAverage(0); context.setAveragedOver(2); int len; int thres; while(true){ len = mq3.getSampledWindow((long)2, buffer); if(len != 0){ thres = mq3.findThreshold(context, 30, buffer); mq3.printGraph(context, (short)5); if(thres != 0){ // do something System.out.println("threshold is crossed"); } } } //! [Interesting] } }