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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.enocean.internal.eep.A5_3F;
  14
  15 import static org.openhab.binding.enocean.internal.EnOceanBindingConstants.ZERO;
  16
  17 import java.util.function.Function;
  18
  19 import org.eclipse.jdt.annotation.NonNullByDefault;
  20 import org.eclipse.jdt.annotation.Nullable;
  21 import org.openhab.binding.enocean.internal.config.EnOceanChannelRollershutterConfig;
  22 import org.openhab.binding.enocean.internal.eep.Base._4BSMessage;
  23 import org.openhab.binding.enocean.internal.messages.ERP1Message;
  24 import org.openhab.core.config.core.Configuration;
  25 import org.openhab.core.library.types.PercentType;
  26 import org.openhab.core.library.types.StopMoveType;
  27 import org.openhab.core.library.types.UpDownType;
  28 import org.openhab.core.types.Command;
  29 import org.openhab.core.types.State;
  30 import org.openhab.core.types.UnDefType;
  31
  32 /**
  33  *
  34  * @author Daniel Weber - Initial contribution
  35  */
  36 @NonNullByDefault
  37 public class A5_3F_7F_EltakoFSB extends _4BSMessage {
  38
  39     static final byte STOP = 0x00;
  40     static final byte MOVE_UP = 0x01;
  41     static final byte MOVE_DOWN = 0x02;
  42
  43     static final byte UP = 0x70;
  44     static final byte DOWN = 0x50;
  45
  46     public A5_3F_7F_EltakoFSB() {
  47         super();
  48     }
  49
  50     public A5_3F_7F_EltakoFSB(ERP1Message packet) {
  51         super(packet);
  52     }
  53
  54     @Override
  55     protected void convertFromCommandImpl(String channelId, String channelTypeId, Command command,
  56             Function<String, State> getCurrentStateFunc, @Nullable Configuration config) {
  57         int shutTime = 0xFF;
  58         if (config == null) {
  59             logger.debug("No configuration, shutTime fallback to {}", shutTime);
  60         } else {
  61             shutTime = Math.min(255, config.as(EnOceanChannelRollershutterConfig.class).shutTime);
  62         }
  63
  64         if (command instanceof PercentType) {
  65             State channelState = getCurrentStateFunc.apply(channelId);
  66
  67             PercentType target = (PercentType) command;
  68             if (target.intValue() == PercentType.ZERO.intValue()) {
  69                 setData(ZERO, (byte) shutTime, MOVE_UP, TEACHIN_BIT); // => move completely up
  70             } else if (target.intValue() == PercentType.HUNDRED.intValue()) {
  71                 setData(ZERO, (byte) shutTime, MOVE_DOWN, TEACHIN_BIT); // => move completely down
  72             } else if (channelState != null) {
  73                 PercentType current = channelState.as(PercentType.class);
  74                 if (current != null) {
  75                     if (current.intValue() != target.intValue()) {
  76                         byte direction = current.intValue() > target.intValue() ? MOVE_UP : MOVE_DOWN;
  77                         byte duration = (byte) Math.min(255,
  78                                 (Math.abs(current.intValue() - target.intValue()) * shutTime)
  79                                         / PercentType.HUNDRED.intValue());
  80
  81                         setData(ZERO, duration, direction, TEACHIN_BIT);
  82                     }
  83                 }
  84             }
  85
  86         } else if (command instanceof UpDownType) {
  87             if ((UpDownType) command == UpDownType.UP) {
  88                 setData(ZERO, (byte) shutTime, MOVE_UP, TEACHIN_BIT); // => 0 percent
  89             } else if ((UpDownType) command == UpDownType.DOWN) {
  90                 setData(ZERO, (byte) shutTime, MOVE_DOWN, TEACHIN_BIT); // => 100 percent
  91             }
  92         } else if (command instanceof StopMoveType) {
  93             if ((StopMoveType) command == StopMoveType.STOP) {
  94                 setData(ZERO, (byte) 0xFF, STOP, TEACHIN_BIT);
  95             }
  96         }
  97     }
  98
  99     @Override
 100     protected State convertToStateImpl(String channelId, String channelTypeId,
 101             Function<String, @Nullable State> getCurrentStateFunc, Configuration config) {
 102         State currentState = getCurrentStateFunc.apply(channelId);
 103
 104         if (currentState != null) {
 105             int duration = ((getDB3Value() << 8) + getDB2Value()) / 10; // => Time in DB3 and DB2 is given
 106                                                                         // in ms
 107             EnOceanChannelRollershutterConfig c = config.as(EnOceanChannelRollershutterConfig.class);
 108             if (duration == c.shutTime) {
 109                 return getDB1() == MOVE_UP ? PercentType.ZERO : PercentType.HUNDRED;
 110             } else {
 111                 PercentType current = PercentType.ZERO;
 112                 if (currentState instanceof PercentType) {
 113                     current = currentState.as(PercentType.class);
 114                 }
 115
 116                 int direction = getDB1() == MOVE_UP ? -1 : 1;
 117                 if (current != null && c.shutTime != -1 && c.shutTime != 0) {
 118                     return new PercentType(Math.min(100, (Math.max(0, current.intValue()
 119                             + direction * ((duration * PercentType.HUNDRED.intValue()) / c.shutTime)))));
 120                 }
 121             }
 122         }
 123
 124         return UnDefType.UNDEF;
 125     }
 126 }