upm/examples/java/RHUSB_Example.java

/*
 * Author: Stefan Andritoiu <stefan.andritoiu@gmail.com>
 * Copyright (c) 2017 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 RHUSB_Example {

	public static void main(String[] args) throws InterruptedException {
		// ! [Interesting]

		String defaultDev = "/dev/ttyUSB0";

		// if an argument was specified, use it as the device instead
		if (args.length > 0)
			defaultDev = args[0];

		System.out.println("Using device " + defaultDev);
		System.out.println("Initializing...");

		// Instantiate an RHUSB instance on defaultDev
		upm_rhusb.RHUSB sensor = new upm_rhusb.RHUSB(defaultDev);

		// Print out info from the sensor core
		System.out.println("UPM Version:" + System.lineSeparator()
			+ upm_rhusb.javaupm_rhusb.LibraryVersion() + System.lineSeparator());
		System.out.println("JSON Definition:" + System.lineSeparator()
			+ sensor.JsonDefinition() + System.lineSeparator());

		// output the firmware ID
		System.out.println("Firmware ID: " + sensor.getFirmwareID());

		// update and print available values every second
		while (true) {
			// update our values from the sensor
			sensor.update();

			// we show both C and F for temperature
			System.out.println("Temperature: " + sensor.getTemperature() + " C / " + sensor.getTemperature(true) + " F");

			System.out.println("Humidity: " + sensor.getHumidity() + " %");

			Thread.sleep(1000);
		}

		// ! [Interesting]
	}
}