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/*
* Author: Alexander Komarov <alexander.komarov@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.
*/
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import mraa.Dir;
import mraa.Edge;
import mraa.Gpio;
public class Isr {
static {
try {
System.loadLibrary("mraajava");
} catch (UnsatisfiedLinkError e) {
System.err.println(
"Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" +
e);
System.exit(1);
}
}
public static void main(String argv[]) throws InterruptedException {
int pin = 6;
if (argv.length == 1) {
try {
pin = Integer.parseInt(argv[0]);
} catch (Exception e) {
}
}
BufferedReader console = new BufferedReader(new InputStreamReader(System.in));
Gpio gpio = null;
try {
gpio = new Gpio(pin);
} catch (Exception e) {
System.out.println(e.getMessage());
return;
}
System.out.println("Starting ISR for pin " + Integer.toString(pin) + ". Press ENTER to stop");
Runnable callback = new JavaCallback(gpio);
gpio.isr(Edge.EDGE_RISING, callback);
try {
String input = console.readLine();
} catch (IOException e) {
}
gpio.isrExit();
}
}
class JavaCallback implements Runnable {
private Gpio gpio;
public JavaCallback(Gpio gpio) {
this.gpio = gpio;
}
@Override
public void run() {
String pin = Integer.toString(gpio.getPin(true));
String level = Integer.toString(gpio.read());
System.out.println("Pin " + pin + " = " + level);
}
}
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