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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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127
src/module/decode/p25/message/ldu/lc/ChannelIdentifierUpdate.java
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@@ -1,83 +1,118 @@
/*******************************************************************************
* 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;
import module.decode.p25.message.ldu.LDU1Message;
import module.decode.p25.reference.LinkControlOpcode;
public class ChannelIdentifierUpdate extends LDU1Message
implements IBandIdentifier
public class ChannelIdentifierUpdate extends LDU1Message implements IBandIdentifier
{
public static final int[] IDENTIFIER = { 364,365,366,367 };
public static final int[] BANDWIDTH = { 372,373,374,375,376,377,382,383,384 };
public static final int[] TRANSMIT_OFFSET = { 385,386,387,536,537,538,539,
540,541 };
public static final int[] CHANNEL_SPACING = { 546,547,548,549,550,551,556,
557,558,559 };
public static final int[] BASE_FREQUENCY = { 560,561,566,567,568,569,570,
571,720,721,722,723,724,725,730,731,732,733,734,735,740,741,742,743,744,
745,750,751,752,753,754,755 };
public static final int[] IDENTIFIER = {364, 365, 366, 367};
public static final int[] BANDWIDTH = {372, 373, 374, 375, 376, 377, 382, 383, 384};
public static final int[] TRANSMIT_OFFSET = {385, 386, 387, 536, 537, 538, 539,
540, 541};
public static final int[] CHANNEL_SPACING = {546, 547, 548, 549, 550, 551, 556,
557, 558, 559};
public static final int[] BASE_FREQUENCY = {560, 561, 566, 567, 568, 569, 570,
571, 720, 721, 722, 723, 724, 725, 730, 731, 732, 733, 734, 735, 740, 741, 742, 743, 744,
745, 750, 751, 752, 753, 754, 755};
public ChannelIdentifierUpdate(LDU1Message message)
{
super(message);
}
public ChannelIdentifierUpdate( LDU1Message message )
{
super( message );
}
@Override
public String getEventType()
{
return LinkControlOpcode.CHANNEL_IDENTIFIER_UPDATE.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;
}
}