Tools/SCViewer
11
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Added database support to read real valued signals

Browse Source
This commit is contained in:
Eyck Jentzsch
2018-10-11 11:20:36 +02:00
parent 2f11d8ed7b
commit 8a89b21d34
11 changed files with 205 additions and 70 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
com.minres.scviewer.database.vcd/src/com/minres/scviewer/database/vcd/IVCDDatabaseBuilder.java
View File

@ -34,26 +34,44 @@ public interface IVCDDatabaseBuilder {
*
* @param netName the net name
* @param i the index of the net, -1 if a new one, otherwise the id if the referenced
* @param width the width
* @return the integer
* @param width the width, -1 equals real, 0... is a bit vector
* @return the net id
*/
public Integer newNet(String netName, int i, int width) ;
/**
* Gets the net width.
*
* @param intValue the int value
* @return the net width
* @param intValue the net id
* @return the net width, -1 means a real-valued net
*/
public int getNetWidth(int intValue);
public int getNetWidth(int netId);
/**
* Append transition.
*
* @param signalId the int value
* @param netId the int value
* @param currentTime the current time in ps
* @param decodedValues the decoded values
*/
public void appendTransition(int signalId, long currentTime, BitVector decodedValues);
public void appendTransition(int netId, long currentTime, char decodedValue);
/**
* Append transition.
*
* @param netId the int value
* @param currentTime the current time in ps
* @param decodedValues the decoded values
*/
public void appendTransition(int netId, long currentTime, BitVector decodedValue);
/**
* Append transition.
*
* @param netId the int value
* @param currentTime the current time in ps
* @param decodedValue the decoded values
*/
public void appendTransition(int netId, long currentTime, double decodedValue);
}

76
com.minres.scviewer.database.vcd/src/com/minres/scviewer/database/vcd/VCDDbLoader.java
View File

@ -15,6 +15,7 @@ import java.io.FileInputStream;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.NavigableMap;
import java.util.Stack;
import java.util.TreeMap;
import java.util.Vector;
@ -22,8 +23,9 @@ import java.util.Vector;
import com.minres.scviewer.database.BitVector;
import com.minres.scviewer.database.ISignal;
import com.minres.scviewer.database.ISignalChange;
import com.minres.scviewer.database.ISignalChangeMulti;
import com.minres.scviewer.database.ISignalChangeSingle;
import com.minres.scviewer.database.ISignalChangeBitVector;
import com.minres.scviewer.database.ISignalChangeReal;
import com.minres.scviewer.database.ISignalChangeBit;
import com.minres.scviewer.database.IWaveform;
import com.minres.scviewer.database.IWaveformDb;
import com.minres.scviewer.database.IWaveformDbLoader;
@ -83,20 +85,25 @@ public class VCDDbLoader implements IWaveformDbLoader, IVCDDatabaseBuilder {
moduleStack=null;
if(!res) throw new InputFormatException();
// calculate max time of database
for(IWaveform<? extends IWaveformEvent> waveform:signals)
maxTime= Math.max(maxTime, ((ISignal<? extends ISignalChange>)waveform).getEvents().lastKey());
for(IWaveform<? extends IWaveformEvent> waveform:signals) {
NavigableMap<Long, ? extends ISignalChange> events =((ISignal<? extends ISignalChange>)waveform).getEvents();
if(events.size()>0)
maxTime= Math.max(maxTime, events.lastKey());
}
// extend signals to hav a last value set at max time
for(IWaveform<? extends IWaveformEvent> waveform:signals){
TreeMap<Long,? extends ISignalChange> events = ((VCDSignal<? extends ISignalChange>)waveform).values;
if(events.lastKey()<maxTime){
if(events.size()>0 && events.lastKey()<maxTime){
ISignalChange x = events.lastEntry().getValue();
if(x instanceof ISignalChangeSingle)
((VCDSignal<ISignalChangeSingle>)waveform).values.put(maxTime,
new VCDSignalChangeSingle(maxTime, ((ISignalChangeSingle)x).getValue()));
else
if(x instanceof ISignalChangeMulti)
((VCDSignal<ISignalChangeMulti>)waveform).values.put(maxTime,
new VCDSignalChangeMulti(maxTime, ((ISignalChangeMulti)x).getValue()));
if(x instanceof ISignalChangeBit)
((VCDSignal<ISignalChangeBit>)waveform).values.put(maxTime,
new VCDSignalChangeBit(maxTime, ((ISignalChangeBit)x).getValue()));
else if(x instanceof ISignalChangeBitVector)
((VCDSignal<ISignalChangeBitVector>)waveform).values.put(maxTime,
new VCDSignalChangeBitVector(maxTime, ((ISignalChangeBitVector)x).getValue()));
else if(x instanceof ISignalChangeReal)
((VCDSignal<ISignalChangeReal>)waveform).values.put(maxTime,
new VCDSignalChangeReal(maxTime, ((ISignalChangeReal)x).getValue()));
}
}
return true;
@ -147,12 +154,15 @@ public class VCDDbLoader implements IWaveformDbLoader, IVCDDatabaseBuilder {
String netName = moduleStack.empty()? name: moduleStack.lastElement()+"."+name;
int id = signals.size();
VCDSignal<? extends IWaveformEvent> signal;
if(width==1){
signal = i<0 ? new VCDSignal<ISignalChangeSingle>(db, id, netName) :
new VCDSignal<ISignalChangeSingle>((VCDSignal<ISignalChangeSingle>)signals.get(i), id, netName);
if(width<0) {
signal = i<0 ? new VCDSignal<ISignalChangeReal>(db, id, netName, width) :
new VCDSignal<ISignalChangeReal>((VCDSignal<ISignalChangeReal>)signals.get(i), id, netName);
} else if(width==1){
signal = i<0 ? new VCDSignal<ISignalChangeBit>(db, id, netName) :
new VCDSignal<ISignalChangeBit>((VCDSignal<ISignalChangeBit>)signals.get(i), id, netName);
} else {
signal = i<0 ? new VCDSignal<ISignalChangeMulti>(db, id, netName, width) :
new VCDSignal<ISignalChangeMulti>((VCDSignal<VCDSignalChangeMulti>)signals.get(i), id, netName);
signal = i<0 ? new VCDSignal<ISignalChangeBitVector>(db, id, netName, width) :
new VCDSignal<ISignalChangeBitVector>((VCDSignal<VCDSignalChangeBitVector>)signals.get(i), id, netName);
};
signals.add(signal);
return id;
@ -172,13 +182,37 @@ public class VCDDbLoader implements IWaveformDbLoader, IVCDDatabaseBuilder {
*/
@SuppressWarnings("unchecked")
@Override
public void appendTransition(int signalId, long currentTime, BitVector decodedValues) {
public void appendTransition(int signalId, long currentTime, char decodedValues) {
VCDSignal<? extends IWaveformEvent> signal = (VCDSignal<? extends IWaveformEvent>) signals.get(signalId);
Long time = currentTime* TIME_RES;
if(signal.getWidth()==1){
((VCDSignal<ISignalChangeSingle>)signal).values.put(time, new VCDSignalChangeSingle(time, decodedValues.getValue()[0]));
} else {
((VCDSignal<VCDSignalChangeMulti>)signal).values.put(time, new VCDSignalChangeMulti(time, decodedValues));
((VCDSignal<ISignalChangeBit>)signal).values.put(time, new VCDSignalChangeBit(time, decodedValues));
}
}
/* (non-Javadoc)
* @see com.minres.scviewer.database.vcd.ITraceBuilder#appendTransition(int, long, com.minres.scviewer.database.vcd.BitVector)
*/
@SuppressWarnings("unchecked")
@Override
public void appendTransition(int signalId, long currentTime, BitVector decodedValues) {
VCDSignal<? extends IWaveformEvent> signal = (VCDSignal<? extends IWaveformEvent>) signals.get(signalId);
Long time = currentTime* TIME_RES;
if(signal.getWidth()>1){
((VCDSignal<VCDSignalChangeBitVector>)signal).values.put(time, new VCDSignalChangeBitVector(time, decodedValues));
}
}
/* (non-Javadoc)
* @see com.minres.scviewer.database.vcd.ITraceBuilder#appendTransition(int, long, com.minres.scviewer.database.vcd.BitVector)
*/
@SuppressWarnings("unchecked")
@Override
public void appendTransition(int signalId, long currentTime, double decodedValue) {
VCDSignal<? extends IWaveformEvent> signal = (VCDSignal<? extends IWaveformEvent>) signals.get(signalId);
Long time = currentTime* TIME_RES;
if(signal.getWidth()<0){
((VCDSignal<ISignalChangeReal>)signal).values.put(time, new VCDSignalChangeReal(time, decodedValue));
}
}

78
com.minres.scviewer.database.vcd/src/com/minres/scviewer/database/vcd/VCDFileParser.java
View File

@ -61,9 +61,11 @@ class VCDFileParser {
private void parseVar() throws Exception {
nextToken(); // type
String type = tokenizer.sval;
nextToken(); // size
int width = Integer.parseInt(tokenizer.sval);
if("real".equals(type))
width*=-1;
nextToken();
String id = tokenizer.sval;
nextToken();
@ -153,7 +155,8 @@ class VCDFileParser {
} while (!tokenizer.sval.equals("$end"));
return true;
}
if (tokenizer.sval.equals("$dumpvars") || tokenizer.sval.equals("$end")) return true;
if (tokenizer.sval.equals("$dumpvars") || tokenizer.sval.equals("$end"))
return true;
String value, id;
if (tokenizer.sval.charAt(0) == 'b') {
// Multiple value net. Value appears first, followed by space,
@ -161,6 +164,12 @@ class VCDFileParser {
value = tokenizer.sval.substring(1);
nextToken();
id = tokenizer.sval;
}else if (tokenizer.sval.charAt(0) == 'r') {
// Multiple value net. Value appears first, followed by space,
// then identifier
value = tokenizer.sval.substring(1);
nextToken();
id = tokenizer.sval;
} else {
// Single value net. identifier first, then value, no space.
value = tokenizer.sval.substring(0, 1);
@ -174,39 +183,46 @@ class VCDFileParser {
}
int netWidth = traceBuilder.getNetWidth(net);
BitVector decodedValues = new BitVector(netWidth);
if (value.equals("z") && netWidth > 1) {
for (int i = 0; i < netWidth; i++)
decodedValues.setValue(i, BitVector.VALUE_Z);
} else if (value.equals("x") && netWidth > 1) {
for (int i = 0; i < netWidth; i++)
decodedValues.setValue(i, BitVector.VALUE_X);
if(netWidth<0) {
traceBuilder.appendTransition(net, currentTime, Double.parseDouble(value));
} else {
int stringIndex = 0;
for (int convertedIndex = netWidth - value.length(); convertedIndex < netWidth; convertedIndex++) {
switch (value.charAt(stringIndex++)) {
case 'z':
decodedValues.setValue(convertedIndex, BitVector.VALUE_Z);
break;
case '1':
decodedValues.setValue(convertedIndex, BitVector.VALUE_1);
break;
case '0':
decodedValues.setValue(convertedIndex, BitVector.VALUE_0);
break;
case 'x':
decodedValues.setValue(convertedIndex, BitVector.VALUE_X);
break;
default:
decodedValues.setValue(convertedIndex, BitVector.VALUE_X);
BitVector decodedValues = new BitVector(netWidth);
if (value.equals("z") && netWidth > 1) {
for (int i = 0; i < netWidth; i++)
decodedValues.setValue(i, BitVector.VALUE_Z);
} else if (value.equals("x") && netWidth > 1) {
for (int i = 0; i < netWidth; i++)
decodedValues.setValue(i, BitVector.VALUE_X);
} else {
int stringIndex = 0;
for (int convertedIndex = netWidth - value.length(); convertedIndex < netWidth; convertedIndex++) {
switch (value.charAt(stringIndex++)) {
case 'z':
decodedValues.setValue(convertedIndex, BitVector.VALUE_Z);
break;
case '1':
decodedValues.setValue(convertedIndex, BitVector.VALUE_1);
break;
case '0':
decodedValues.setValue(convertedIndex, BitVector.VALUE_0);
break;
case 'x':
decodedValues.setValue(convertedIndex, BitVector.VALUE_X);
break;
default:
decodedValues.setValue(convertedIndex, BitVector.VALUE_X);
}
}
}
if(netWidth==1)
traceBuilder.appendTransition(net, currentTime, decodedValues.getValue()[0]);
else
traceBuilder.appendTransition(net, currentTime, decodedValues);
}
traceBuilder.appendTransition(net, currentTime, decodedValues);
}
return true;
}

6
com.minres.scviewer.database.vcd/src/com/minres/scviewer/database/vcd/VCDSignalChangeSingle.java → com.minres.scviewer.database.vcd/src/com/minres/scviewer/database/vcd/VCDSignalChangeBit.java
View File

@ -10,14 +10,14 @@
*******************************************************************************/
package com.minres.scviewer.database.vcd;
import com.minres.scviewer.database.ISignalChangeSingle;
import com.minres.scviewer.database.ISignalChangeBit;
import com.minres.scviewer.database.SignalChange;
public class VCDSignalChangeSingle extends SignalChange implements ISignalChangeSingle, Cloneable {
public class VCDSignalChangeBit extends SignalChange implements ISignalChangeBit, Cloneable {
private char value;
public VCDSignalChangeSingle(Long time, char value) {
public VCDSignalChangeBit(Long time, char value) {
super(time);
this.value=value;
}

8
com.minres.scviewer.database.vcd/src/com/minres/scviewer/database/vcd/VCDSignalChangeMulti.java → com.minres.scviewer.database.vcd/src/com/minres/scviewer/database/vcd/VCDSignalChangeBitVector.java
View File

@ -11,18 +11,18 @@
package com.minres.scviewer.database.vcd;
import com.minres.scviewer.database.BitVector;
import com.minres.scviewer.database.ISignalChangeMulti;
import com.minres.scviewer.database.ISignalChangeBitVector;
import com.minres.scviewer.database.SignalChange;
public class VCDSignalChangeMulti extends SignalChange implements ISignalChangeMulti, Cloneable {
public class VCDSignalChangeBitVector extends SignalChange implements ISignalChangeBitVector, Cloneable {
private BitVector value;
public VCDSignalChangeMulti(Long time) {
public VCDSignalChangeBitVector(Long time) {
super(time);
}
public VCDSignalChangeMulti(Long time, BitVector decodedValues) {
public VCDSignalChangeBitVector(Long time, BitVector decodedValues) {
super(time);
this.value=decodedValues;
}

37
com.minres.scviewer.database.vcd/src/com/minres/scviewer/database/vcd/VCDSignalChangeReal.java Normal file
View File

@ -0,0 +1,37 @@
/*******************************************************************************
* Copyright (c) 2015 MINRES Technologies GmbH and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* MINRES Technologies GmbH - initial API and implementation
*******************************************************************************/
package com.minres.scviewer.database.vcd;
import com.minres.scviewer.database.ISignalChangeReal;
import com.minres.scviewer.database.SignalChange;
public class VCDSignalChangeReal extends SignalChange implements ISignalChangeReal, Cloneable {
private double value;
public VCDSignalChangeReal(Long time, double value) {
super(time);
this.value=value;
}
public double getValue() {
return value;
}
public void setValue(double value) {
this.value = value;
}
@Override
public String toString() {
return value+"@"+getTime();
}
}