Android Open Source - E-Paper N2 Epd Controller

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License

The source code is released under:

GNU General Public License

Java Source Code

package com.epaper;
/*w ww.  jav a 2s.com*/
import java.lang.reflect.Method;
import java.lang.reflect.Constructor;

/**
 * Nook Touch EPD controller interface wrapper.
 * This class is created by DairyKnight for Nook Touch screen support in FBReaderJ.
 * @author DairyKnight <dairyknight@gmail.com>
 * http://forum.xda-developers.com/showthread.php?t=1183173
 */
public class N2EpdController
{
    public static final int REGION_APP_1 = 0;
    public static final int REGION_APP_2 = 1;
    public static final int REGION_APP_3 = 2;
    public static final int REGION_APP_4 = 3;
    public static final int WAVE_GC = 0;
    public static final int WAVE_GU = 1;
    public static final int WAVE_DU = 2;
    public static final int WAVE_A2 = 3;
    public static final int WAVE_GL16 = 4;
    public static final int WAVE_AUTO = 5;
    public static final int MODE_BLINK = 0;
    public static final int MODE_ACTIVE = 1;
    public static final int MODE_ONESHOT = 2;
    public static final int MODE_CLEAR = 3;
    public static final int MODE_ACTIVE_ALL = 4;
    public static final int MODE_ONESHOT_ALL = 5;
    public static final int MODE_CLEAR_ALL = 6;
    public static String strN2EpdInit = " N2EpdInit: ";
    private static Method mtSetRegion = null;
    private static Constructor RegionParamsConstructor = null;
    private static Object[] enumsWave = null;
    private static Object[] enumsRegion = null;
    private static Object[] enumsMode = null;

    static {
        try {
            Class clEpdController = Class.forName("android.hardware.EpdController");
            Class clEpdControllerWave = Class.forName("android.hardware.EpdController$Wave");
            Class clEpdControllerMode = Class.forName("android.hardware.EpdController$Mode");
            Class clEpdControllerRegion = Class.forName("android.hardware.EpdController$Region");

            Class clEpdControllerRegionParams = Class.forName("android.hardware.EpdController$RegionParams");

            enumsWave = clEpdControllerWave.getEnumConstants();

            enumsMode = clEpdControllerMode.getEnumConstants();

            enumsRegion = clEpdControllerRegion.getEnumConstants();

//        mtSetRegion = clEpdController.getMethod("setRegion", String.class, clEpdControllerRegion, View.class,
//                clEpdControllerWave, clEpdControllerMode);
            RegionParamsConstructor = clEpdControllerRegionParams.getConstructor(
                    new Class[]{Integer.TYPE, Integer.TYPE, Integer.TYPE, Integer.TYPE, clEpdControllerWave});
            mtSetRegion = clEpdController.getMethod("setRegion", String.class, clEpdControllerRegion,
                                                    clEpdControllerRegionParams, clEpdControllerMode);

            strN2EpdInit += "Ok!";
        } catch (Exception e) {
            System.err.println("Failed to init refresh EPD");
            System.err.println(e.toString());
            strN2EpdInit += "Failed: " + e.toString();
            e.printStackTrace();
        }
    }

//  public static void setMode(int region, int wave, int mode, View view) {
    public static void setMode(int region, int wave, int mode) {
        if (mtSetRegion != null) {
            try {
                Object regionParams = RegionParamsConstructor.newInstance(new Object[]{0, 0, 600, 800, enumsWave[wave]});
//        mtSetRegion.invoke(null, "CoolReader", enumsRegion[region], view, enumsWave[wave], enumsMode[mode]);
                mtSetRegion.invoke(null, "E-Paper", enumsRegion[region], regionParams, enumsMode[mode]);
            } catch (Exception e) {
                System.err.println("Failed: SetMode");
                System.err.println(e.toString());
                strN2EpdInit += "Failed: setMode: " + e.toString();
                e.printStackTrace();
            }
        }
    }
    
    public static void setA2Mode() {
        N2EpdController.setMode(N2EpdController.REGION_APP_3,
                                N2EpdController.WAVE_A2,
                                N2EpdController.MODE_ACTIVE_ALL);
    }

    public static void setNormalMode() {
        N2EpdController.setMode(N2EpdController.REGION_APP_3,
                                N2EpdController.WAVE_GU,
                                N2EpdController.MODE_ACTIVE);
    }
}

Java Source Code List

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