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Added database support to read real valued signals

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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
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78
com.minres.scviewer.database.vcd/src/com/minres/scviewer/database/vcd/VCDFileParser.java
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@ -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;
}