1 /* 2 * Author: Thomas Ingleby <thomas.c.ingleby@intel.com> 3 * Copyright (c) 2014 Intel Corporation. 4 * Author: Petre Eftime <petre.p.eftime@intel.com> 5 * Copyright (c) 2015 Intel Corporation. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining 8 * a copy of this software and associated documentation files (the 9 * "Software"), to deal in the Software without restriction, including 10 * without limitation the rights to use, copy, modify, merge, publish, 11 * distribute, sublicense, and/or sell copies of the Software, and to 12 * permit persons to whom the Software is furnished to do so, subject to 13 * the following conditions: 14 * 15 * The above copyright notice and this permission notice shall be 16 * included in all copies or substantial portions of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 19 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 21 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 22 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 23 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 24 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 */ 26 27 import mraa.Gpio; 28 import mraa.mraa; 29 30 public class GpioMmapped { 31 static { 32 try { 33 System.loadLibrary("mraajava"); 34 } catch (UnsatisfiedLinkError e) { 35 System.err.println( 36 "Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" + 37 e); 38 System.exit(1); 39 } 40 } main(String argv[])41 public static void main(String argv[]) throws InterruptedException { 42 //! [Interesting] 43 String board = mraa.getPlatformName(); 44 String version = mraa.getVersion(); 45 System.out.println("hello mraa"); 46 System.out.println(String.format("Version: %s", version)); 47 48 Gpio gpio = new Gpio(1); 49 50 gpio.useMmap(true); 51 52 while (true) { 53 gpio.write(1); 54 Thread.sleep(50); 55 gpio.write(0); 56 Thread.sleep(50); 57 } 58 //! [Interesting] 59 }; 60 } 61