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Code Issues Packages Projects Releases 2 Wiki Activity

P25 work in progress - final commit of TSBK message parsers

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dennis.sheirer
2014-11-23 23:13:58 +00:00
parent 1660f13633
commit 23901c7a2f
29 changed files with 1630 additions and 184 deletions
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124
src/decode/p25/message/tsbk/osp/control/IdentifierUpdate.java
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@@ -4,22 +4,13 @@ import alias.AliasList;
import bits.BitSetBuffer;
import decode.p25.message.tsbk.TSBKMessage;
import decode.p25.reference.DataUnitID;
import decode.p25.reference.Opcode;
public class IdentifierUpdate extends TSBKMessage
public abstract class IdentifierUpdate extends TSBKMessage
{
public static final int[] CHANNEL_IDENTIFIER = { 80,81,82,83 };
public static final int[] IDENTIFIER = { 80,81,82,83 };
public static final int[] CHANNEL_SPACING = { 102,103,104,105,106,107,108,
109,110,111 };
public static final int[] BANDWIDTH = { 84,85,86,87,88,89,90,91,92 };
public static final int[] BANDWIDTH_VHF_UHF = { 84,85,86,87 };
public static final int[] TRANSMIT_OFFSET = { 93,94,95,96,97,98,99,100,101 };
public static final int TRANSMIT_OFFSET_VHF_UHF_SIGN = 88;
public static final int[] TRANSMIT_OFFSET_VHF_UHF = { 89,90,91,92,93,94,
95,96,97,98,99,100,101 };
109,110,111 };
public static final int[] BASE_FREQUENCY = { 112,113,114,115,116,117,118,
119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,
@@ -32,42 +23,20 @@ public class IdentifierUpdate extends TSBKMessage
super( message, duid, aliasList );
}
@Override
public String getEventType()
{
return getOpcode().getDescription();
}
public String getMessage()
{
StringBuilder sb = new StringBuilder();
sb.append( getMessageStub() );
sb.append( " CHAN:" + getIdentifier() );
sb.append( " DOWNLINK:" + getDownlinkFrequency() );
sb.append( " UPLINK:" + ( getUplinkFrequency() ) );
sb.append( " BW:" + getBandwidth() );
sb.append( " SPACING:" + getChannelSpacing() );
return sb.toString();
}
/**
* (Band) Identifier
*/
public int getIdentifier()
{
return mMessage.getInt( CHANNEL_IDENTIFIER );
return mMessage.getInt( IDENTIFIER );
}
/**
* Channel spacing in hertz
*/
public int getChannelSpacing()
public long getChannelSpacing()
{
return mMessage.getInt( CHANNEL_SPACING ) * 125; //Hertz
return mMessage.getLong( CHANNEL_SPACING ) * 125l;
}
/**
@@ -75,79 +44,8 @@ public class IdentifierUpdate extends TSBKMessage
*/
public long getBaseFrequency()
{
return mMessage.getLong( BASE_FREQUENCY ) * 5l; //Hertz
return mMessage.getLong( BASE_FREQUENCY ) * 5l;
}
public boolean isVHF_UHF()
{
long base = getBaseFrequency();
return ( ( 136000000 <= base && base <= 172000000 ) ||
( 380000000 <= base && base <= 512000000 ) );
}
/**
* Channel bandwidth in hertz
*/
public int getBandwidth()
{
int bandwidth = mMessage.getInt( BANDWIDTH );
if( isVHF_UHF() )
{
switch( bandwidth )
{
case 4:
return 6250;
case 5:
return 12500;
default:
return 0;
}
}
else
{
return bandwidth * 125;
}
}
/**
* Transmit offset in hertz
*/
public long getOffset()
{
if( isVHF_UHF() )
{
long offset = mMessage.getLong( TRANSMIT_OFFSET_VHF_UHF );
if( mMessage.get( TRANSMIT_OFFSET_VHF_UHF_SIGN ) )
{
return offset;
}
else
{
return -offset;
}
}
else
{
return mMessage.getLong( TRANSMIT_OFFSET ) * 250l;
}
}
/**
* Uplink ( radio to tower) frequency in hertz
*/
public long getUplinkFrequency()
{
return getBaseFrequency() - getOffset();
}
/**
* Downlink ( tower to radio ) frequency in hertz
*/
public long getDownlinkFrequency()
{
return getBaseFrequency();
}
public abstract long getTransmitOffset();
}