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Code Issues Packages Projects Releases 2 Wiki Activity

Resolves #173 - logging/management of P25 TDMA channels. There is no Phase II decoder support yet.

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Denny
2017-02-12 10:20:45 -05:00
parent a0c32f6fe0
commit 6916d95cdf
53 changed files with 5780 additions and 4601 deletions
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226
src/module/decode/p25/message/ldu/lc/GroupVoiceChannelUpdateExplicit.java
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@@ -1,3 +1,21 @@
/*******************************************************************************
* sdrtrunk
* Copyright (C) 2014-2017 Dennis Sheirer
*
* 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 module.decode.p25.message.ldu.lc;
import module.decode.p25.message.IBandIdentifier;
@@ -5,151 +23,149 @@ import module.decode.p25.message.IdentifierReceiver;
import module.decode.p25.message.ldu.LDU1Message;
import module.decode.p25.reference.LinkControlOpcode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class GroupVoiceChannelUpdateExplicit extends LDU1Message
implements IdentifierReceiver
public class GroupVoiceChannelUpdateExplicit extends LDU1Message implements IdentifierReceiver
{
private final static Logger mLog =
LoggerFactory.getLogger( GroupVoiceChannelUpdateExplicit.class );
public static final int EMERGENCY_FLAG = 376;
public static final int ENCRYPTED_CHANNEL_FLAG = 377;
public static final int DUPLEX_MODE = 382;
public static final int SESSION_MODE = 383;
public static final int[] GROUP_ADDRESS = { 536,537,538,539,540,541,546,547,
548,549,550,551,556,557,558,559 };
public static final int[] TRANSMIT_IDENTIFIER = { 560,561,566,567 };
public static final int[] TRANSMIT_CHANNEL = { 568,569,570,571,720,721,722,
723,724,725,730,731 };
public static final int[] RECEIVE_IDENTIFIER = { 732,733,734,735 };
public static final int[] RECEIVE_CHANNEL = { 740,741,742,743,744,745,750,
751,752,753,754,755 };
public static final int[] GROUP_ADDRESS = {536, 537, 538, 539, 540, 541, 546, 547, 548, 549, 550, 551, 556, 557, 558, 559};
public static final int[] TRANSMIT_IDENTIFIER = {560, 561, 566, 567};
public static final int[] TRANSMIT_CHANNEL = {568, 569, 570, 571, 720, 721, 722, 723, 724, 725, 730, 731};
public static final int[] RECEIVE_IDENTIFIER = {732, 733, 734, 735};
public static final int[] RECEIVE_CHANNEL = {740, 741, 742, 743, 744, 745, 750, 751, 752, 753, 754, 755};
private IBandIdentifier mTransmitIdentifierUpdate;
private IBandIdentifier mReceiveIdentifierUpdate;
public GroupVoiceChannelUpdateExplicit(LDU1Message message)
{
super(message);
}
private IBandIdentifier mTransmitIdentifierUpdate;
private IBandIdentifier mReceiveIdentifierUpdate;
public GroupVoiceChannelUpdateExplicit( LDU1Message message )
{
super( message );
}
@Override
public String getEventType()
{
return LinkControlOpcode.GROUP_VOICE_CHANNEL_UPDATE_EXPLICIT.getDescription();
}
@Override
public String getMessage()
{
StringBuilder sb = new StringBuilder();
sb.append( getMessageStub() );
if( isEmergency() )
{
sb.append( " EMERGENCY" );
}
if( isEncryptedChannel() )
{
sb.append( " ENCRYPTED CHANNEL" );
}
@Override
public String getMessage()
{
StringBuilder sb = new StringBuilder();
return sb.toString();
}
sb.append(getMessageStub());
if(isEmergency())
{
sb.append(" EMERGENCY");
}
if(isEncryptedChannel())
{
sb.append(" ENCRYPTED CHANNEL");
}
return sb.toString();
}
public boolean isEmergency()
{
return mMessage.get( EMERGENCY_FLAG );
return mMessage.get(EMERGENCY_FLAG);
}
public boolean isEncryptedChannel()
{
return mMessage.get( ENCRYPTED_CHANNEL_FLAG );
return mMessage.get(ENCRYPTED_CHANNEL_FLAG);
}
public DuplexMode getDuplexMode()
{
return mMessage.get( DUPLEX_MODE ) ? DuplexMode.FULL : DuplexMode.HALF;
return mMessage.get(DUPLEX_MODE) ? DuplexMode.FULL : DuplexMode.HALF;
}
public SessionMode getSessionMode()
{
return mMessage.get( SESSION_MODE ) ?
SessionMode.CIRCUIT : SessionMode.PACKET;
return mMessage.get(SESSION_MODE) ?
SessionMode.CIRCUIT : SessionMode.PACKET;
}
public int getTransmitChannelIdentifier()
{
return mMessage.getInt( TRANSMIT_IDENTIFIER );
}
public int getTransmitChannelNumber()
{
return mMessage.getInt( TRANSMIT_CHANNEL );
}
public String getTransmitChannel()
{
return getTransmitChannelIdentifier() + "-" + getTransmitChannelNumber();
}
public int getReceiveChannelIdentifier()
{
return mMessage.getInt( RECEIVE_IDENTIFIER );
}
public int getReceiveChannelNumber()
{
return mMessage.getInt( RECEIVE_CHANNEL );
}
public String getReceiveChannel()
{
return getReceiveChannelIdentifier() + "-" + getReceiveChannelNumber();
}
public String getGroupAddress()
{
return mMessage.getHex( GROUP_ADDRESS, 4 );
}
@Override
public void setIdentifierMessage( int identifier, IBandIdentifier message )
{
if( identifier == getTransmitChannelIdentifier() )
{
mTransmitIdentifierUpdate = message;
}
if( identifier == getReceiveChannelIdentifier() )
{
mReceiveIdentifierUpdate = message;
}
return mMessage.getInt(TRANSMIT_IDENTIFIER);
}
@Override
public int getTransmitChannelNumber()
{
return mMessage.getInt(TRANSMIT_CHANNEL);
}
public String getTransmitChannel()
{
return getTransmitChannelIdentifier() + "-" + getTransmitChannelNumber();
}
public int getReceiveChannelIdentifier()
{
return mMessage.getInt(RECEIVE_IDENTIFIER);
}
public int getReceiveChannelNumber()
{
return mMessage.getInt(RECEIVE_CHANNEL);
}
public String getReceiveChannel()
{
return getReceiveChannelIdentifier() + "-" + getReceiveChannelNumber();
}
public String getGroupAddress()
{
return mMessage.getHex(GROUP_ADDRESS, 4);
}
@Override
public void setIdentifierMessage(int identifier, IBandIdentifier message)
{
if(identifier == getTransmitChannelIdentifier())
{
mTransmitIdentifierUpdate = message;
}
if(identifier == getReceiveChannelIdentifier())
{
mReceiveIdentifierUpdate = message;
}
}
@Override
public int[] getIdentifiers()
{
int[] identifiers = new int[ 2 ];
identifiers[ 0 ] = getTransmitChannelIdentifier();
identifiers[ 1 ] = getReceiveChannelIdentifier();
return identifiers;
int[] identifiers = new int[2];
identifiers[0] = getTransmitChannelIdentifier();
identifiers[1] = getReceiveChannelIdentifier();
return identifiers;
}
public long getDownlinkFrequency()
{
return calculateDownlink( mTransmitIdentifierUpdate,
getTransmitChannelNumber() );
if(mTransmitIdentifierUpdate != null)
{
return mTransmitIdentifierUpdate.getDownlinkFrequency(getTransmitChannelNumber());
}
return 0;
}
public long getUplinkFrequency()
{
return calculateUplink( mReceiveIdentifierUpdate,
getReceiveChannelNumber() );
if(mReceiveIdentifierUpdate != null)
{
return mReceiveIdentifierUpdate.getUplinkFrequency(getReceiveChannelNumber());
}
return 0;
}
}