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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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270
src/module/decode/p25/message/pdu/osp/voice/GroupVoiceChannelGrantExplicit.java
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@@ -1,51 +1,63 @@
/*******************************************************************************
* 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.pdu.osp.voice;
import alias.AliasList;
import bits.BinaryMessage;
import edac.CRCP25;
import module.decode.p25.message.IBandIdentifier;
import module.decode.p25.message.IdentifierReceiver;
import module.decode.p25.message.pdu.PDUMessage;
import module.decode.p25.reference.DataUnitID;
import module.decode.p25.reference.Opcode;
import alias.AliasList;
import bits.BinaryMessage;
import edac.CRCP25;
public class GroupVoiceChannelGrantExplicit extends PDUMessage
implements IdentifierReceiver
public class GroupVoiceChannelGrantExplicit extends PDUMessage implements IdentifierReceiver
{
/* Service Options */
public static final int EMERGENCY_FLAG = 128;
public static final int ENCRYPTED_CHANNEL_FLAG = 129;
public static final int DUPLEX_MODE = 130;
public static final int SESSION_MODE = 131;
public static final int[] SOURCE_ADDRESS = { 88,89,90,91,92,93,94,95,96,97,
98,99,100,101,102,103,104,105,106,107,108,109,110,111 };
public static final int[] SERVICE_OPTIONS = { 128,129,130,131,132,133,134,
135 };
public static final int[] TRANSMIT_IDENTIFIER = { 176,177,178,179 };
public static final int[] TRANSMIT_NUMBER = { 180,181,182,183,184,185,186,
187,188,189,190,191 };
public static final int[] RECEIVE_IDENTIFIER = { 192,193,194,195 };
public static final int[] RECEIVE_NUMBER = { 196,197,198,199,200,201,202,
203,204,205,206,207 };
public static final int[] GROUP_ADDRESS = { 208,209,210,211,212,213,214,215,
216,217,218,219,220,221,222,223 };
public static final int[] MULTIPLE_BLOCK_CRC = { 224,225,226,227,228,229,
230,231,232,233,234,235,236,237,238,239,240,241,242,243,244,245,246,247,
248,249,250,251,252,253,254,255 };
private IBandIdentifier mTransmitIdentifierUpdate;
private IBandIdentifier mReceiveIdentifierUpdate;
public GroupVoiceChannelGrantExplicit( BinaryMessage message,
DataUnitID duid, AliasList aliasList )
public static final int[] SOURCE_ADDRESS = {88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104,
105, 106, 107, 108, 109, 110, 111};
public static final int[] SERVICE_OPTIONS = {128, 129, 130, 131, 132, 133, 134, 135};
public static final int[] TRANSMIT_IDENTIFIER = {176, 177, 178, 179};
public static final int[] TRANSMIT_NUMBER = {180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191};
public static final int[] RECEIVE_IDENTIFIER = {192, 193, 194, 195};
public static final int[] RECEIVE_NUMBER = {196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207};
public static final int[] GROUP_ADDRESS = {208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221,
222, 223};
public static final int[] MULTIPLE_BLOCK_CRC = {224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236,
237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255};
private IBandIdentifier mTransmitIdentifierUpdate;
private IBandIdentifier mReceiveIdentifierUpdate;
public GroupVoiceChannelGrantExplicit(BinaryMessage message, DataUnitID duid, AliasList aliasList)
{
super( message, duid, aliasList );
super(message, duid, aliasList);
/* Header block is already error detected/corrected - perform error
* detection correction on the intermediate and final data blocks */
mMessage = CRCP25.correctPDU1( mMessage );
mCRC[ 1 ] = mMessage.getCRC();
* detection correction on the intermediate and final data blocks */
mMessage = CRCP25.correctPDU1(mMessage);
mCRC[1] = mMessage.getCRC();
}
@Override
@@ -53,125 +65,135 @@ public class GroupVoiceChannelGrantExplicit extends PDUMessage
{
return Opcode.GROUP_VOICE_CHANNEL_GRANT.getDescription();
}
public String getMessage()
{
StringBuilder sb = new StringBuilder();
sb.append( getMessageStub() );
if( isEmergency() )
sb.append(getMessageStub());
if(isEmergency())
{
sb.append( " EMERGENCY" );
sb.append(" EMERGENCY");
}
sb.append( " FROM:" );
sb.append( getSourceAddress() );
sb.append( " GRP:" );
sb.append( getGroupAddress() );
sb.append( " CHAN DN:" + getTransmitChannelIdentifier() + "-" + getTransmitChannelNumber() );
sb.append( " " + getDownlinkFrequency() );
sb.append( " CHAN UP:" + getReceiveChannelIdentifier() + "-" + getReceiveChannelNumber() );
sb.append( " " + getUplinkFrequency() );
sb.append(" FROM:");
sb.append(getSourceAddress());
sb.append(" GRP:");
sb.append(getGroupAddress());
sb.append(" CHAN DN:" + getTransmitChannelIdentifier() + "-" + getTransmitChannelNumber());
sb.append(" " + getDownlinkFrequency());
sb.append(" CHAN UP:" + getReceiveChannelIdentifier() + "-" + getReceiveChannelNumber());
sb.append(" " + getUplinkFrequency());
return sb.toString();
}
public boolean isEmergency()
{
return mMessage.get( EMERGENCY_FLAG );
return mMessage.get(EMERGENCY_FLAG);
}
public boolean isEncrypted()
{
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 String getSourceAddress()
{
return mMessage.getHex( SOURCE_ADDRESS, 6 );
}
public String getGroupAddress()
{
return mMessage.getHex( GROUP_ADDRESS, 4 );
}
public int getTransmitChannelIdentifier()
{
return mMessage.getInt( TRANSMIT_IDENTIFIER );
}
public int getTransmitChannelNumber()
{
return mMessage.getInt( TRANSMIT_NUMBER );
}
public String getTransmitChannel()
{
return getTransmitChannelIdentifier() + "-" + getTransmitChannelNumber();
}
public int getReceiveChannelIdentifier()
{
return mMessage.getInt( RECEIVE_IDENTIFIER );
}
public int getReceiveChannelNumber()
{
return mMessage.getInt( RECEIVE_NUMBER );
}
public String getReceiveChannel()
{
return getReceiveChannelIdentifier() + "-" + getReceiveChannelNumber();
}
public long getDownlinkFrequency()
{
return calculateDownlink( mTransmitIdentifierUpdate, getTransmitChannelNumber() );
}
public long getUplinkFrequency()
{
return calculateUplink( mReceiveIdentifierUpdate, getReceiveChannelNumber() );
return mMessage.getHex(SOURCE_ADDRESS, 6);
}
@Override
public void setIdentifierMessage( int identifier, IBandIdentifier message )
public String getGroupAddress()
{
if( identifier == getTransmitChannelIdentifier() )
{
mTransmitIdentifierUpdate = message;
}
if( identifier == getReceiveChannelIdentifier() )
{
mReceiveIdentifierUpdate = message;
}
return mMessage.getHex(GROUP_ADDRESS, 4);
}
public int getTransmitChannelIdentifier()
{
return mMessage.getInt(TRANSMIT_IDENTIFIER);
}
public int getTransmitChannelNumber()
{
return mMessage.getInt(TRANSMIT_NUMBER);
}
public String getTransmitChannel()
{
return getTransmitChannelIdentifier() + "-" + getTransmitChannelNumber();
}
public int getReceiveChannelIdentifier()
{
return mMessage.getInt(RECEIVE_IDENTIFIER);
}
public int getReceiveChannelNumber()
{
return mMessage.getInt(RECEIVE_NUMBER);
}
public String getReceiveChannel()
{
return getReceiveChannelIdentifier() + "-" + getReceiveChannelNumber();
}
public long getDownlinkFrequency()
{
if(mTransmitIdentifierUpdate != null)
{
return mTransmitIdentifierUpdate.getDownlinkFrequency(getTransmitChannelNumber());
}
return 0;
}
public long getUplinkFrequency()
{
if(mReceiveIdentifierUpdate != null)
{
return mReceiveIdentifierUpdate.getUplinkFrequency(getReceiveChannelNumber());
}
return 0;
}
@Override
public void setIdentifierMessage(int identifier, IBandIdentifier message)
{
if(identifier == getTransmitChannelIdentifier())
{
mTransmitIdentifierUpdate = message;
}
if(identifier == getReceiveChannelIdentifier())
{
mReceiveIdentifierUpdate = message;
}
}
public int[] getIdentifiers()
{
int[] idens = new int[2];
idens[0] = getTransmitChannelIdentifier();
idens[1] = getReceiveChannelIdentifier();
return idens;
}
public int[] getIdentifiers()
{
int[] idens = new int[ 2 ];
idens[ 0 ] = getTransmitChannelIdentifier();
idens[ 1 ] = getReceiveChannelIdentifier();
return idens;
}
}