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Added support for real value signals

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This commit is contained in:
Eyck Jentzsch
2018-08-27 16:19:59 +02:00
parent ed0558afdf
commit 549c522bf7
6 changed files with 125 additions and 35 deletions
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10
com.minres.scviewer.database.vcd/src/com/minres/scviewer/database/vcd/IVCDDatabaseBuilder.java
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@ -52,8 +52,16 @@ public interface IVCDDatabaseBuilder {
*
* @param signalId the int value
* @param currentTime the current time in ps
* @param decodedValues the decoded values
* @param decodedValues the decoded bit values
*/
public void appendTransition(int signalId, long currentTime, BitVector decodedValues);
/**
* Append transition.
*
* @param signalId the int value
* @param currentTime the current time in ps
* @param vValues the real values
*/
public void appendTransition(int signalId, long currentTime, Double values);
}

14
com.minres.scviewer.database.vcd/src/com/minres/scviewer/database/vcd/VCDDbLoader.java
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@ -23,6 +23,7 @@ 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.ISignalChangeReal;
import com.minres.scviewer.database.ISignalChangeSingle;
import com.minres.scviewer.database.IWaveform;
import com.minres.scviewer.database.IWaveformDb;
@ -166,6 +167,17 @@ public class VCDDbLoader implements IWaveformDbLoader, IVCDDatabaseBuilder {
return signal.getWidth();
}
/* (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 value) {
VCDSignal<? extends IWaveformEvent> signal = (VCDSignal<? extends IWaveformEvent>) signals.get(signalId);
Long time = currentTime*TIME_RES;
((VCDSignal<ISignalChangeReal>)signal).values.put(time, new VCDSignalChangeReal(time, value));
}
/* (non-Javadoc)
* @see com.minres.scviewer.database.vcd.ITraceBuilder#appendTransition(int, long, com.minres.scviewer.database.vcd.BitVector)
*/
@ -173,7 +185,7 @@ public class VCDDbLoader implements IWaveformDbLoader, IVCDDatabaseBuilder {
@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;
Long time = currentTime*TIME_RES;
if(signal.getWidth()==1){
((VCDSignal<ISignalChangeSingle>)signal).values.put(time, new VCDSignalChangeSingle(time, decodedValues.getValue()[0]));
} else {

76
com.minres.scviewer.database.vcd/src/com/minres/scviewer/database/vcd/VCDFileParser.java
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@ -147,6 +147,7 @@ class VCDFileParser {
if (tokenizer.sval.charAt(0) == '#') { // If the line begins with a #, this is a timestamp.
currentTime = Long.parseLong(tokenizer.sval.substring(1)) * picoSecondsPerIncrement;
} else {
boolean isReal=false;
if(tokenizer.sval.equals("$comment")){
do {
if (!nextToken()) return false;
@ -161,6 +162,13 @@ class VCDFileParser {
value = tokenizer.sval.substring(1);
nextToken();
id = tokenizer.sval;
} else if (tokenizer.sval.charAt(0) == 'r') {
// real value net. Value appears first, followed by space,
// then identifier
value = tokenizer.sval.substring(1);
nextToken();
id = tokenizer.sval;
isReal=true;
} else {
// Single value net. identifier first, then value, no space.
value = tokenizer.sval.substring(0, 1);
@ -173,40 +181,48 @@ class VCDFileParser {
return true;
}
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(isReal) {
if("nan".equals(value)) {
traceBuilder.appendTransition(net, currentTime, Double.NaN);
} else {
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);
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);
} 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);
}
}
}
traceBuilder.appendTransition(net, currentTime, decodedValues);
}
traceBuilder.appendTransition(net, currentTime, decodedValues);
}
return true;
}

37
com.minres.scviewer.database.vcd/src/com/minres/scviewer/database/vcd/VCDSignalChangeReal.java Normal file
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@ -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();
}
}