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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 percentCommand) {
  65             State channelState = getCurrentStateFunc.apply(channelId);
  66             if (percentCommand.intValue() == PercentType.ZERO.intValue()) {
  67                 setData(ZERO, (byte) shutTime, MOVE_UP, TEACHIN_BIT); // => move completely up
  68             } else if (percentCommand.intValue() == PercentType.HUNDRED.intValue()) {
  69                 setData(ZERO, (byte) shutTime, MOVE_DOWN, TEACHIN_BIT); // => move completely down
  70             } else if (channelState != null) {
  71                 PercentType current = channelState.as(PercentType.class);
  72                 if (current != null) {
  73                     if (current.intValue() != percentCommand.intValue()) {
  74                         byte direction = current.intValue() > percentCommand.intValue() ? MOVE_UP : MOVE_DOWN;
  75                         byte duration = (byte) Math.min(255,
  76                                 (Math.abs(current.intValue() - percentCommand.intValue()) * shutTime)
  77                                         / PercentType.HUNDRED.intValue());
  78
  79                         setData(ZERO, duration, direction, TEACHIN_BIT);
  80                     }
  81                 }
  82             }
  83
  84         } else if (command instanceof UpDownType upDownCommand) {
  85             if (upDownCommand == UpDownType.UP) {
  86                 setData(ZERO, (byte) shutTime, MOVE_UP, TEACHIN_BIT); // => 0 percent
  87             } else if (upDownCommand == UpDownType.DOWN) {
  88                 setData(ZERO, (byte) shutTime, MOVE_DOWN, TEACHIN_BIT); // => 100 percent
  89             }
  90         } else if (command instanceof StopMoveType stopMoveCommand) {
  91             if (stopMoveCommand == StopMoveType.STOP) {
  92                 setData(ZERO, (byte) 0xFF, STOP, TEACHIN_BIT);
  93             }
  94         }
  95     }
  96
  97     @Override
  98     protected State convertToStateImpl(String channelId, String channelTypeId,
  99             Function<String, @Nullable State> getCurrentStateFunc, Configuration config) {
 100         State currentState = getCurrentStateFunc.apply(channelId);
 101
 102         if (currentState != null) {
 103             int duration = ((getDB3Value() << 8) + getDB2Value()) / 10; // => Time in DB3 and DB2 is given
 104                                                                         // in ms
 105             EnOceanChannelRollershutterConfig c = config.as(EnOceanChannelRollershutterConfig.class);
 106             if (duration == c.shutTime) {
 107                 return getDB1() == MOVE_UP ? PercentType.ZERO : PercentType.HUNDRED;
 108             } else {
 109                 PercentType current = PercentType.ZERO;
 110                 if (currentState instanceof PercentType) {
 111                     current = currentState.as(PercentType.class);
 112                 }
 113
 114                 int direction = getDB1() == MOVE_UP ? -1 : 1;
 115                 if (current != null && c.shutTime != -1 && c.shutTime != 0) {
 116                     return new PercentType(Math.min(100, (Math.max(0, current.intValue()
 117                             + direction * ((duration * PercentType.HUNDRED.intValue()) / c.shutTime)))));
 118                 }
 119             }
 120         }
 121
 122         return UnDefType.UNDEF;
 123     }
 124 }