com.amazonaws.services.iot.demo.danbo.rpi.RGBLed.java Source code

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Here is the source code for com.amazonaws.services.iot.demo.danbo.rpi.RGBLed.java

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/** 
 * Copyright 2015 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"). You may not use 
 * this file except in compliance with the License. A copy of the License is located at
 *
 *     http://aws.amazon.com/apache2.0/
 *
 * or in the "license" file accompanying this file. This file is distributed on an "AS IS"
 * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 
 * License for the specific language governing permissions and limitations under the License.
 */

package com.amazonaws.services.iot.demo.danbo.rpi;

import java.awt.Color;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * This class encapsulates the calls to the python script that handles RGB Led commands.
 * 
 * @author Fabio Silva (silfabio@amazon.com)
 */
public class RGBLed implements Runnable {
    private Log log = LogFactory.getLog(RGBLed.class);
    private PinLayout pinLayout1;
    private PinLayout pinLayout2;
    private int delay;
    private int repetitions;
    private Color color1;
    private Color color2;

    private String threadName = "";

    public RGBLed(String threadName, PinLayout pinLayout1, PinLayout pinLayout2, Color color1, Color color2,
            int repetitions, int delay) {
        this.threadName = threadName;
        this.pinLayout1 = pinLayout1;
        this.pinLayout2 = pinLayout2;
        this.delay = delay;
        this.repetitions = repetitions;
        this.color1 = color1;
        this.color2 = color2;
    }

    public void run() {
        try {
            log.debug("starting execution of thread: " + threadName);
            // calls python code to turn the RGB Led according to the selected color
            try {
                log.debug("operating rgb leds with command 'sudo python /home/pi/danbo/python/rgbled.py "
                        + pinLayout1.getRedPin() + " " + pinLayout1.getGreenPin() + " " + pinLayout1.getBluePin()
                        + " " + pinLayout2.getRedPin() + " " + pinLayout2.getGreenPin() + " "
                        + pinLayout2.getBluePin() + " " + color1.getRed() + " " + color1.getGreen() + " "
                        + color1.getBlue() + " " + color2.getRed() + " " + color2.getGreen() + " "
                        + color2.getBlue() + " " + repetitions + " " + delay + "'");
                Runtime.getRuntime().exec(String.format(
                        "sudo python /home/pi/danbo/python/rgbled.py %d %d %d %d %d %d %d %d %d %d %d %d %d %d",
                        pinLayout1.getRedPin(), pinLayout1.getGreenPin(), pinLayout1.getBluePin(),
                        pinLayout2.getRedPin(), pinLayout2.getGreenPin(), pinLayout2.getBluePin(), color1.getRed(),
                        color1.getGreen(), color1.getBlue(), color2.getRed(), color2.getGreen(), color2.getBlue(),
                        repetitions, delay));
            } catch (Exception e) {
                System.err.println(String.format("Could not execute the RGB LED script"));
                e.printStackTrace();
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            log.debug("finishing execution of thread: " + threadName);
        }
    }
}