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   1 /**
   2  * Copyright (c) 2010-2021 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.lifx.internal.dto;
  14
  15 import java.nio.ByteBuffer;
  16
  17 import org.openhab.binding.lifx.internal.fields.Field;
  18 import org.openhab.binding.lifx.internal.fields.HSBK;
  19 import org.openhab.binding.lifx.internal.fields.HSBKField;
  20 import org.openhab.binding.lifx.internal.fields.UInt32Field;
  21 import org.openhab.binding.lifx.internal.fields.UInt64Field;
  22 import org.openhab.binding.lifx.internal.fields.UInt8Field;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25
  26 /**
  27  * Implementation of SetTileEffect packet
  28  *
  29  * @author Pawel Pieczul - Initial contribution
  30  */
  31 public class SetTileEffectRequest extends Packet {
  32
  33     public static final int TYPE = 0x2CF;
  34
  35     // size.from.to....what
  36     // ------------------------------
  37     // 1....0....0.....reserved
  38     // 1....1....1.....reserved
  39     // 4....2....5.....instance ID
  40     // 1....6....6.....effect type
  41     // 4....7....10....speed
  42     // 8....11...18....duration
  43     // 4....19...22....reserved
  44     // 4....23...26....reserved
  45     // 32...27...58....parameters (8*32 bits)
  46     // 1....59...59....palette count
  47     // 128..60...187...palette (16*8 bits)
  48
  49     private static final Field<Integer> FIELD_RESERVED_0 = new UInt8Field();
  50     private static final Field<Integer> FIELD_RESERVED_1 = new UInt8Field();
  51     private static final Field<Long> FIELD_INSTANCE_ID = new UInt32Field().little();
  52     private static final Field<Integer> FIELD_TYPE = new UInt8Field();
  53     private static final Field<Long> FIELD_SPEED = new UInt32Field().little();
  54     private static final Field<Long> FIELD_DURATION = new UInt64Field().little();
  55     private static final Field<Long> FIELD_RESERVED_19_TO_26 = new UInt32Field().little();
  56     private static final Field<Long> FIELD_PARAMETER_27_TO_58 = new UInt32Field().little();
  57     private static final Field<Integer> FIELD_PALETTE_COUNT = new UInt8Field();
  58     private static final Field<HSBK> FIELD_PALETTE_60_TO_187 = new HSBKField();
  59
  60     private final Logger logger = LoggerFactory.getLogger(SetTileEffectRequest.class);
  61
  62     private Integer reserved0 = 0;
  63     private Integer reserved1 = 0;
  64     private Long reserved19to22 = 0L;
  65     private Long reserved23to26 = 0L;
  66     private Effect effect;
  67
  68     public SetTileEffectRequest() {
  69         setTagged(false);
  70         setAddressable(true);
  71         setAckRequired(true);
  72     }
  73
  74     public SetTileEffectRequest(Effect effect) {
  75         this();
  76         this.effect = effect;
  77     }
  78
  79     @Override
  80     public int packetType() {
  81         return TYPE;
  82     }
  83
  84     @Override
  85     protected int packetLength() {
  86         return 188;
  87     }
  88
  89     @Override
  90     protected void parsePacket(ByteBuffer bytes) {
  91         reserved0 = FIELD_RESERVED_0.value(bytes);
  92         reserved1 = FIELD_RESERVED_1.value(bytes);
  93         FIELD_INSTANCE_ID.value(bytes);
  94         Integer effectType = FIELD_TYPE.value(bytes);
  95         Long speed = FIELD_SPEED.value(bytes);
  96         Long duration = FIELD_DURATION.value(bytes);
  97         reserved19to22 = FIELD_RESERVED_19_TO_26.value(bytes);
  98         reserved23to26 = FIELD_RESERVED_19_TO_26.value(bytes);
  99         Long[] parameters = new Long[8];
 100         for (int i = 0; i < parameters.length; i++) {
 101             parameters[i] = FIELD_PARAMETER_27_TO_58.value(bytes);
 102         }
 103         Integer paletteCount = FIELD_PALETTE_COUNT.value(bytes);
 104         HSBK[] palette = new HSBK[paletteCount];
 105         for (int i = 0; i < palette.length; i++) {
 106             palette[i] = FIELD_PALETTE_60_TO_187.value(bytes);
 107         }
 108         try {
 109             effect = new Effect(effectType, speed, duration, palette);
 110         } catch (IllegalArgumentException e) {
 111             logger.debug("Wrong effect type received: {}", effectType);
 112             effect = null;
 113         }
 114     }
 115
 116     @Override
 117     protected ByteBuffer packetBytes() {
 118         ByteBuffer buffer = ByteBuffer.allocate(packetLength());
 119         buffer.put(FIELD_RESERVED_0.bytes(reserved0));
 120         buffer.put(FIELD_RESERVED_1.bytes(reserved1));
 121         buffer.put(FIELD_INSTANCE_ID.bytes(0L));
 122         buffer.put(FIELD_TYPE.bytes(effect.getType().intValue()));
 123         buffer.put(FIELD_SPEED.bytes(effect.getSpeed()));
 124         buffer.put(FIELD_DURATION.bytes(effect.getDuration()));
 125         buffer.put(FIELD_RESERVED_19_TO_26.bytes(reserved19to22));
 126         buffer.put(FIELD_RESERVED_19_TO_26.bytes(reserved23to26));
 127         for (int i = 0; i < 8; i++) {
 128             buffer.put(FIELD_PARAMETER_27_TO_58.bytes(0L));
 129         }
 130         buffer.put(FIELD_PALETTE_COUNT.bytes(effect.getPalette().length));
 131         HSBK[] palette = effect.getPalette();
 132         for (int i = 0; i < palette.length; i++) {
 133             buffer.put(FIELD_PALETTE_60_TO_187.bytes(palette[i]));
 134         }
 135         HSBK hsbkZero = new HSBK(0, 0, 0, 0);
 136         for (int i = 0; i < 16 - palette.length; i++) {
 137             buffer.put(FIELD_PALETTE_60_TO_187.bytes(hsbkZero));
 138         }
 139         if (logger.isDebugEnabled()) {
 140             logger.debug("SetTileEffectRequest: type={}, speed={}, duration={}, palette_count={}", effect.getType(),
 141                     effect.getSpeed(), effect.getDuration(), palette.length);
 142             for (int i = 0; i < palette.length; i++) {
 143                 logger.debug("SetTileEffectRequest palette[{}] = {}", i, palette[i]);
 144             }
 145         }
 146         return buffer;
 147     }
 148
 149     @Override
 150     public int[] expectedResponses() {
 151         return new int[] {};
 152     }
 153 }