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      1 /*
      2  * Author: Stefan Andritoiu <stefan.andritoiu (at) intel.com>
      3  * Copyright (c) 2015 Intel Corporation.
      4  *
      5  * Permission is hereby granted, free of charge, to any person obtaining
      6  * a copy of this software and associated documentation files (the
      7  * "Software"), to deal in the Software without restriction, including
      8  * without limitation the rights to use, copy, modify, merge, publish,
      9  * distribute, sublicense, and/or sell copies of the Software, and to
     10  * permit persons to whom the Software is furnished to do so, subject to
     11  * the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be
     14  * included in all copies or substantial portions of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     19  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
     20  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
     21  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
     22  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     23  */
     24 
     25 //NOT TESTED!!!
     26 public class ULN200XASample {
     27 
     28 	static {
     29 		try {
     30 			System.loadLibrary("javaupm_uln200xa");
     31 		} catch (UnsatisfiedLinkError e) {
     32 			System.err.println("error in loading native library");
     33 			System.exit(-1);
     34 		}
     35 	}
     36 
     37 	public static void main(String[] args) throws InterruptedException {
     38 		// ! [Interesting]
     39 		// Instantiate a Stepper motor on a ULN200XA Dual H-Bridge.
     40 		// Wire the pins so that I1 is pin D8, I2 is pin D9, I3 is pin D10 and
     41 		// I4 is pin D11
     42 		upm_uln200xa.ULN200XA uln200xa = new upm_uln200xa.ULN200XA(4096, 8, 9, 10, 11);
     43 
     44 		uln200xa.setSpeed(5);
     45 		System.out.println("Rotating 1 revolution clockwise.");
     46 		uln200xa.setDirection(upm_uln200xa.ULN200XA.ULN200XA_DIRECTION_T.DIR_CW);
     47 		uln200xa.stepperSteps(4096);
     48 
     49 		System.out.println("Sleeping for 2 seconds...");
     50 		Thread.sleep(2000);
     51 
     52 		System.out.println("Rotating 1/2 revolution counter clockwise.");
     53 		uln200xa.setDirection(upm_uln200xa.ULN200XA.ULN200XA_DIRECTION_T.DIR_CCW);
     54 		uln200xa.stepperSteps(2048);
     55 
     56 		// turn off the power
     57 		uln200xa.release();
     58 		// ! [Interesting]
     59 
     60 		System.out.println("Exiting...");
     61 	}
     62 
     63 }