diff --git a/examples/java/BlinkOnboard.java b/examples/java/BlinkOnboard.java new file mode 100644 index 0000000..deada88 --- /dev/null +++ b/examples/java/BlinkOnboard.java @@ -0,0 +1,76 @@ +/* + * Author: Brendan Le Foll + * Copyright (c) 2014 Intel Corporation. + * Author: Jakub Kramarz + * Copyright (c) 2015 VirtusLab + * + * 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 BlinkOnboard { + 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 { + mraa.mraa_platform_t platform = mraa.mraa.getPlatformType(); + mraa.Gpio gpio, gpio_in; + if (platform == mraa.mraa_platform_t.INTEL_GALILEO_GEN1) { + gpio = new mraa.Gpio(3); + } else if (platform == mraa.mraa_platform_t.INTEL_MINNOWBOARD_MAX) { + gpio = new mraa.Gpio(21); + } else { + gpio = new mraa.Gpio(13); + } + System.out.format("Welcome to libmraa\n Version: %s\n Running on %s\n", + mraa.mraa.getVersion(), platform.toString()); + + gpio.dir(mraa.Dir.DIR_OUT); + // on platforms with physical button use gpio_in + if (platform == mraa.mraa_platform_t.INTEL_MINNOWBOARD_MAX) { + gpio_in = new mraa.Gpio(14); + gpio_in.dir(mraa.Dir.DIR_IN); + System.out.println("Press and hold S1 to stop, Press SW1 to shutdown!"); + } else { + gpio_in = null; + } + + boolean state = false; + while (true) { + if (gpio_in != null && gpio_in.read() == 0) { + return; + } + if (state) { + state = false; + gpio.write(1); + } else { + state = true; + gpio.write(0); + } + Thread.sleep(1000); + } + } +} \ No newline at end of file