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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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126
src/module/decode/p25/message/tdu/lc/ChannelIdentifierUpdateExplicit.java
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@@ -1,82 +1,114 @@
/*******************************************************************************
* 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.tdu.lc;
import module.decode.p25.message.IBandIdentifier;
import module.decode.p25.reference.LinkControlOpcode;
public class ChannelIdentifierUpdateExplicit extends TDULinkControlMessage
implements IBandIdentifier
public class ChannelIdentifierUpdateExplicit extends TDULinkControlMessage implements IBandIdentifier
{
public static final int[] IDENTIFIER = { 72,73,74,75 };
public static final int[] BANDWIDTH = { 88,89,90,91 };
public static final int[] TRANSMIT_OFFSET = { 92,93,94,95,96,97,98,99,112,
113,114,115,116,117 };
public static final int[] CHANNEL_SPACING = { 118,119,120,121,122,
123,136,137,138,139 };
public static final int[] BASE_FREQUENCY = { 140,141,142,143,144,145,146,
147,160,161,162,163,164,165,166,167,168,169,170,171,184,185,186,
187,188,189,190,191,192,193,194,195 };
public ChannelIdentifierUpdateExplicit( TDULinkControlMessage source )
{
super( source );
}
public static final int[] IDENTIFIER = {72, 73, 74, 75};
public static final int[] BANDWIDTH = {88, 89, 90, 91};
public static final int[] TRANSMIT_OFFSET = {92, 93, 94, 95, 96, 97, 98, 99, 112, 113, 114, 115, 116, 117};
public static final int[] CHANNEL_SPACING = {118, 119, 120, 121, 122, 123, 136, 137, 138, 139};
public static final int[] BASE_FREQUENCY = {140, 141, 142, 143, 144, 145, 146, 147, 160, 161, 162, 163, 164, 165,
166, 167, 168, 169, 170, 171, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195};
public ChannelIdentifierUpdateExplicit(TDULinkControlMessage source)
{
super(source);
}
@Override
public String getEventType()
{
return LinkControlOpcode.CHANNEL_IDENTIFIER_UPDATE_EXPLICIT.getDescription();
}
@Override
public String getMessage()
{
StringBuilder sb = new StringBuilder();
sb.append( getMessageStub() );
sb.append( " IDEN:" + getIdentifier() );
@Override
public String getMessage()
{
StringBuilder sb = new StringBuilder();
sb.append( " BASE:" + getBaseFrequency() );
sb.append( " BW:" + getBandwidth() );
sb.append( " SPACING:" + getChannelSpacing() );
sb.append( " OFFSET:" + getTransmitOffset() );
return sb.toString();
}
sb.append(getMessageStub());
@Override
public int getIdentifier()
{
return mMessage.getInt( IDENTIFIER );
}
sb.append(" IDEN:" + getIdentifier());
/**
sb.append(" BASE:" + getBaseFrequency());
sb.append(" BW:" + getBandwidth());
sb.append(" SPACING:" + getChannelSpacing());
sb.append(" OFFSET:" + getTransmitOffset());
return sb.toString();
}
@Override
public int getIdentifier()
{
return mMessage.getInt(IDENTIFIER);
}
/**
* Channel bandwidth in hertz
*/
@Override
public int getBandwidth()
{
return mMessage.getInt( BANDWIDTH ) * 125;
return mMessage.getInt(BANDWIDTH) * 125;
}
@Override
public long getChannelSpacing()
{
return mMessage.getLong( CHANNEL_SPACING ) * 125l;
return mMessage.getLong(CHANNEL_SPACING) * 125l;
}
@Override
public long getBaseFrequency()
{
return mMessage.getLong( BASE_FREQUENCY ) * 5l;
return mMessage.getLong(BASE_FREQUENCY) * 5l;
}
@Override
@Override
public long getTransmitOffset()
{
return -1 * mMessage.getLong( TRANSMIT_OFFSET ) * 250000l;
return -1 * mMessage.getLong(TRANSMIT_OFFSET) * 250000l;
}
@Override
public long getDownlinkFrequency(int channelNumber)
{
return getBaseFrequency() + (channelNumber * getChannelSpacing());
}
@Override
public long getUplinkFrequency(int channelNumber)
{
return getDownlinkFrequency(channelNumber) + getTransmitOffset();
}
@Override
public boolean isTDMA()
{
return false;
}
}