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Add Motorola Failsoft LC opcode $02 (#2104)

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This is broadcast on channels when a site is in failsoft operation (site controller has failed or too few channels are functional to operate in trunking mode).
This commit is contained in:
ilyacodes
2024-12-06 12:29:05 -05:00
committed by GitHub
parent 49cf92c7ab
commit 11abb87177
4 changed files with 66 additions and 0 deletions
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3
src/main/java/io/github/dsheirer/module/decode/p25/phase1/P25P1DecoderState.java
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@@ -1984,6 +1984,9 @@ public class P25P1DecoderState extends DecoderState implements IChannelEventList
case MOTOROLA_GROUP_REGROUP_VOICE_CHANNEL_UPDATE:
//Voice Channel Update message - indicates calls in-progress on another channel - ignored
break;
case MOTOROLA_FAILSOFT:
//Ignore - there's nothing we can do with failsoft
break;
case MOTOROLA_TALKER_ALIAS_HEADER:
case MOTOROLA_TALKER_ALIAS_DATA_BLOCK:
//Inore - we'll pickup the talker alias from the assembler in the MessageProcessor.

3
src/main/java/io/github/dsheirer/module/decode/p25/phase1/message/lc/LinkControlOpcode.java
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@@ -95,6 +95,7 @@ public enum LinkControlOpcode
MOTOROLA_GROUP_REGROUP_VOICE_CHANNEL_USER("MOTOROLA GROUP REGROUP VOICE CHANNEL USER", 0),
MOTOROLA_GROUP_REGROUP_VOICE_CHANNEL_UPDATE("MOTOROLA GROUP REGROUP VOICE CHANNEL UPDATE", 1),
MOTOROLA_FAILSOFT("MOTOROLA FAILSOFT", 2),
MOTOROLA_GROUP_REGROUP_ADD("MOTOROLA GROUP REGROUP ADD", 3),
MOTOROLA_GROUP_REGROUP_DELETE("MOTOROLA GROUP REGROUP DELETE", 4),
MOTOROLA_UNIT_GPS("MOTOROLA UNIT GPS", 6),
@@ -241,6 +242,8 @@ public enum LinkControlOpcode
return MOTOROLA_GROUP_REGROUP_VOICE_CHANNEL_USER;
case 1:
return MOTOROLA_GROUP_REGROUP_VOICE_CHANNEL_UPDATE;
case 2:
return MOTOROLA_FAILSOFT;
case 3:
return MOTOROLA_GROUP_REGROUP_ADD;
case 4:

3
src/main/java/io/github/dsheirer/module/decode/p25/phase1/message/lc/LinkControlWordFactory.java
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@@ -28,6 +28,7 @@ import io.github.dsheirer.module.decode.p25.phase1.message.lc.l3harris.LCHarrisT
import io.github.dsheirer.module.decode.p25.phase1.message.lc.l3harris.LCHarrisUnknownOpcode42;
import io.github.dsheirer.module.decode.p25.phase1.message.lc.l3harris.LCHarrisUnknownOpcode43;
import io.github.dsheirer.module.decode.p25.phase1.message.lc.motorola.LCMotorolaEmergencyAlarmActivation;
import io.github.dsheirer.module.decode.p25.phase1.message.lc.motorola.LCMotorolaFailsoft;
import io.github.dsheirer.module.decode.p25.phase1.message.lc.motorola.LCMotorolaGroupGroupDelete;
import io.github.dsheirer.module.decode.p25.phase1.message.lc.motorola.LCMotorolaGroupRegroupAdd;
import io.github.dsheirer.module.decode.p25.phase1.message.lc.motorola.LCMotorolaGroupRegroupVoiceChannelUpdate;
@@ -175,6 +176,8 @@ public class LinkControlWordFactory
case L3HARRIS_UNKNOWN:
return new UnknownLinkControlWord(message);
case MOTOROLA_FAILSOFT:
return new LCMotorolaFailsoft(message);
case MOTOROLA_GROUP_REGROUP_ADD:
return new LCMotorolaGroupRegroupAdd(message);
case MOTOROLA_GROUP_REGROUP_DELETE:

57
src/main/java/io/github/dsheirer/module/decode/p25/phase1/message/lc/motorola/LCMotorolaFailsoft.java Normal file
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@@ -0,0 +1,57 @@
/*
* *****************************************************************************
* Copyright (C) 2014-2024 Dennis Sheirer, 2024 Ilya Smirnov
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
* ****************************************************************************
*/
package io.github.dsheirer.module.decode.p25.phase1.message.lc.motorola;
import io.github.dsheirer.bits.CorrectedBinaryMessage;
import io.github.dsheirer.identifier.Identifier;
import io.github.dsheirer.module.decode.p25.phase1.message.lc.LinkControlWord;
import java.util.Collections;
import java.util.List;
/**
* Failsoft operation.
*/
public class LCMotorolaFailsoft extends LinkControlWord
{
/**
* Constructs a Link Control Word from the binary message sequence.
*
* @param message
*/
public LCMotorolaFailsoft(CorrectedBinaryMessage message)
{
super(message);
}
@Override
public List<Identifier> getIdentifiers()
{
return Collections.EMPTY_LIST;
}
@Override
public String toString()
{
StringBuilder sb = new StringBuilder();
sb.append(" MOTOROLA FAILSOFT:");
sb.append(" MSG:").append(getMessage().toHexString());
return sb.toString();
}
}