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   1 /**
   2  * Copyright (c) 2010-2023 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 StateTileEffect packet
  28  *
  29  * @author Pawel Pieczul - Initial contribution
  30  */
  31 public class StateTileEffectResponse extends Packet {
  32
  33     public static final int TYPE = 0x2D0;
  34
  35     // size.from.to....what
  36     // ------------------------------
  37     // 1....0....0.....reserved
  38     // 4....1....4.....instance ID
  39     // 1....5....5.....effect type
  40     // 4....6....9.....speed
  41     // 8....10...17....duration
  42     // 4....18...21....reserved
  43     // 4....22...25....reserved
  44     // 32...26...57....parameters (8*32 bits)
  45     // 1....58...58....palette count
  46     // 128..59...186...palette (16*8 bits)
  47
  48     private static final Field<Integer> FIELD_RESERVED_0 = new UInt8Field();
  49     private static final Field<Long> FIELD_INSTANCE_ID = new UInt32Field().little();
  50     private static final Field<Integer> FIELD_TYPE = new UInt8Field();
  51     private static final Field<Long> FIELD_SPEED = new UInt32Field().little();
  52     private static final Field<Long> FIELD_DURATION = new UInt64Field().little();
  53     private static final Field<Long> FIELD_RESERVED_18_TO_25 = new UInt32Field().little();
  54     private static final Field<Long> FIELD_PARAMETER_26_TO_57 = new UInt32Field().little();
  55     private static final Field<Integer> FIELD_PALETTE_COUNT = new UInt8Field();
  56     private static final Field<HSBK> FIELD_PALETTE_59_TO_186 = new HSBKField();
  57
  58     private Integer reserved0 = 0;
  59     private Long reserved18to21 = 0L;
  60     private Long reserved22to25 = 0L;
  61     private Effect effect;
  62
  63     private final Logger logger = LoggerFactory.getLogger(StateTileEffectResponse.class);
  64
  65     public Effect getEffect() {
  66         return effect;
  67     }
  68
  69     @Override
  70     public int packetType() {
  71         return TYPE;
  72     }
  73
  74     @Override
  75     protected int packetLength() {
  76         return 187;
  77     }
  78
  79     @Override
  80     protected void parsePacket(ByteBuffer bytes) {
  81         reserved0 = FIELD_RESERVED_0.value(bytes);
  82         Long instanceId = FIELD_INSTANCE_ID.value(bytes);
  83         Integer effectType = FIELD_TYPE.value(bytes);
  84         Long speed = FIELD_SPEED.value(bytes);
  85         Long duration = FIELD_DURATION.value(bytes);
  86         reserved18to21 = FIELD_RESERVED_18_TO_25.value(bytes);
  87         reserved22to25 = FIELD_RESERVED_18_TO_25.value(bytes);
  88         Long[] parameters = new Long[8];
  89         for (int i = 0; i < 8; i++) {
  90             parameters[i] = FIELD_PARAMETER_26_TO_57.value(bytes);
  91         }
  92         Integer paletteCount = FIELD_PALETTE_COUNT.value(bytes);
  93         HSBK[] palette = new HSBK[paletteCount];
  94         for (int i = 0; i < palette.length; i++) {
  95             palette[i] = FIELD_PALETTE_59_TO_186.value(bytes);
  96         }
  97         try {
  98             effect = new Effect(effectType, speed, duration, palette);
  99         } catch (IllegalArgumentException e) {
 100             logger.debug("Wrong effect type received: {}", effectType);
 101             effect = null;
 102         }
 103         if (logger.isDebugEnabled()) {
 104             logger.debug("StateTileEffectResponse: instanceId={}, type={}, speed={}, duration={}, palette_count={}",
 105                     instanceId, effectType, speed, duration, paletteCount);
 106             logger.debug("StateTileEffectResponse parameters=[{}, {}, {}, {}, {}, {}, {}, {}]", parameters[0],
 107                     parameters[1], parameters[2], parameters[3], parameters[4], parameters[5], parameters[6],
 108                     parameters[7]);
 109             for (int i = 0; i < palette.length; i++) {
 110                 logger.debug("StateTileEffectResponse palette[{}] = {}", i, palette[i]);
 111             }
 112         }
 113     }
 114
 115     @Override
 116     protected ByteBuffer packetBytes() {
 117         ByteBuffer buffer = ByteBuffer.allocate(packetLength());
 118         buffer.put(FIELD_RESERVED_0.bytes(reserved0));
 119         buffer.put(FIELD_INSTANCE_ID.bytes(0L));
 120         buffer.put(FIELD_TYPE.bytes(effect.getType().intValue()));
 121         buffer.put(FIELD_SPEED.bytes(effect.getSpeed()));
 122         buffer.put(FIELD_DURATION.bytes(effect.getDuration()));
 123         buffer.put(FIELD_RESERVED_18_TO_25.bytes(reserved18to21));
 124         buffer.put(FIELD_RESERVED_18_TO_25.bytes(reserved22to25));
 125         for (int i = 0; i < 8; i++) {
 126             buffer.put(FIELD_PARAMETER_26_TO_57.bytes(0L));
 127         }
 128         HSBK[] palette = effect.getPalette();
 129         buffer.put(FIELD_PALETTE_COUNT.bytes(palette.length));
 130         for (int i = 0; i < palette.length; i++) {
 131             buffer.put(FIELD_PALETTE_59_TO_186.bytes(palette[i]));
 132         }
 133         HSBK hsbkZero = new HSBK(0, 0, 0, 0);
 134         for (int i = 0; i < 16 - palette.length; i++) {
 135             buffer.put(FIELD_PALETTE_59_TO_186.bytes(hsbkZero));
 136         }
 137         return buffer;
 138     }
 139
 140     @Override
 141     public int[] expectedResponses() {
 142         return new int[] {};
 143     }
 144 }