80 lines
2.7 KiB
Java
80 lines
2.7 KiB
Java
/*
|
|
* 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));
|
|
System.out.println("Starting ISR for pin " + Integer.toString(pin) + ". Press ENTER to stop");
|
|
Gpio gpio = new Gpio(pin);
|
|
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);
|
|
}
|
|
}
|