/*
* Author: Stefan Andritoiu <stefan.andritoiu@intel.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.
*/
public class MQ5Sample {
private static final short resolution = 7;
static {
try {
System.loadLibrary("javaupm_gas");
} catch (UnsatisfiedLinkError e) {
System.err.println("error in loading native library");
System.exit(-1);
}
}
public static void main(String[] args) throws InterruptedException {
// ! [Interesting]
short[] buffer = new short[128];
// Attach gas sensor to A0
upm_gas.MQ5 sensor = new upm_gas.MQ5(0);
upm_gas.thresholdContext ctx = new upm_gas.thresholdContext();
ctx.setAverageReading(0);
ctx.setRunningAverage(0);
ctx.setAveragedOver(2);
while (true) {
int len = sensor.getSampledWindow(2, buffer);
if (len != 0) {
int thresh = sensor.findThreshold(ctx, 30, buffer);
sensor.printGraph(ctx, resolution);
if (thresh != 0) {
System.out.println("---Threshold reached---");
}
}
Thread.sleep(1000);
}
// ! [Interesting]
}
}