Files
sdrtrunk/src/decode/p25/message/tdu/lc/SecondaryControlChannelBroadcast.java
dennis.sheirer 77eeed78d2 P25 work in progress.
Adds parsing of TDULC and LDU1 Link Control messages and LDU1 Low Speed Data ( 16-bit word).
2015-01-02 23:30:35 +00:00

160 lines
3.7 KiB
Java

package decode.p25.message.tdu.lc;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import decode.p25.message.IdentifierProvider;
import decode.p25.message.IdentifierReceiver;
import decode.p25.message.tsbk.osp.control.SystemService;
import decode.p25.reference.LinkControlOpcode;
public class SecondaryControlChannelBroadcast extends TDULinkControlMessage
implements IdentifierReceiver
{
private final static Logger mLog =
LoggerFactory.getLogger( SecondaryControlChannelBroadcast.class );
public static final int[] RFSS_ID = { 72,73,74,75,88,89,90,91 };
public static final int[] SITE_ID = { 92,93,94,95,96,97,98,99 };
public static final int[] IDENTIFIER_A = { 112,113,114,115 };
public static final int[] CHANNEL_A = { 116,117,118,119,120,121,122,
123,136,137,138,139 };
public static final int[] SYSTEM_SERVICE_CLASS_A = { 140,141,142,143,144,
145,146,147 };
public static final int[] IDENTIFIER_B = { 160,161,162,163 };
public static final int[] CHANNEL_B = { 164,165,166,167,168,169,170,
171,184,185,186,187 };
public static final int[] SYSTEM_SERVICE_CLASS_B = { 188,189,190,191,192,
193,194,195 };
private IdentifierProvider mIdentifierProviderA;
private IdentifierProvider mIdentifierProviderB;
public SecondaryControlChannelBroadcast( TDULinkControlMessage source )
{
super( source );
}
@Override
public String getEventType()
{
return LinkControlOpcode.SECONDARY_CONTROL_CHANNEL_BROADCAST.getDescription();
}
@Override
public String getMessage()
{
StringBuilder sb = new StringBuilder();
sb.append( getMessageStub() );
sb.append( " SITE:" + getRFSubsystemID() + "-" + getSiteID() );
sb.append( " CHAN A:" + getChannelA() );
sb.append( " " + SystemService.toString( getSystemServiceClassA() ) );
sb.append( " CHAN B:" + getChannelB() );
sb.append( " " + SystemService.toString( getSystemServiceClassB() ) );
return sb.toString();
}
public String getRFSubsystemID()
{
return mMessage.getHex( RFSS_ID, 2 );
}
public String getSiteID()
{
return mMessage.getHex( SITE_ID, 2 );
}
public int getIdentifierA()
{
return mMessage.getInt( IDENTIFIER_A );
}
public int getChannelA()
{
return mMessage.getInt( CHANNEL_A );
}
public String getChannelNumberA()
{
return getIdentifierA() + "-" + getChannelA();
}
public int getIdentifierB()
{
return mMessage.getInt( IDENTIFIER_B );
}
public int getChannelB()
{
return mMessage.getInt( CHANNEL_B );
}
public String getChannelNumberB()
{
return getIdentifierB() + "-" + getChannelB();
}
public int getSystemServiceClassA()
{
return mMessage.getInt( SYSTEM_SERVICE_CLASS_A );
}
public int getSystemServiceClassB()
{
return mMessage.getInt( SYSTEM_SERVICE_CLASS_B );
}
@Override
public void setIdentifierMessage( int identifier, IdentifierProvider message )
{
if( identifier == getIdentifierA() )
{
mIdentifierProviderA = message;
}
if( identifier == getIdentifierB() )
{
mIdentifierProviderB = message;
}
}
@Override
public int[] getIdentifiers()
{
int[] identifiers = new int[ 2 ];
identifiers[ 0 ] = getIdentifierA();
identifiers[ 1 ] = getIdentifierB();
return identifiers;
}
public long getDownlinkFrequencyA()
{
return calculateDownlink( mIdentifierProviderA, getChannelA() );
}
public long getUplinkFrequencyA()
{
return calculateUplink( mIdentifierProviderA, getChannelA() );
}
public long getDownlinkFrequencyB()
{
return calculateDownlink( mIdentifierProviderB, getChannelB() );
}
public long getUplinkFrequencyB()
{
return calculateUplink( mIdentifierProviderB, getChannelB() );
}
}