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Addition of code to save to DBC file. Has some quirks/bugs but mostly works.

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This commit is contained in:
Collin Kidder
2015-06-10 23:05:49 -04:00
parent 993a026a48
commit c22f386804
2 changed files with 134 additions and 7 deletions
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dbchandler.cpp
+129 -7
View File
@@ -105,7 +105,12 @@ void DBCHandler::loadDBCFile(QString filename)
sig.min = match.captured(8).toDouble();
sig.max = match.captured(9).toDouble();
sig.unitName = match.captured(10);
sig.receiver = findNodeByName(match.captured(11));
if (match.captured(11).contains(','))
{
QString tmp = match.captured(11).split(',')[0];
sig.receiver = findNodeByName(tmp);
}
else sig.receiver = findNodeByName(match.captured(11));
currentMessage->msgSignals.append(sig);
}
}
@@ -253,9 +258,132 @@ void DBCHandler::loadDBCFile(QString filename)
inFile->close();
}
/*Yes, this is really hard to follow and all of the sections are mixed up in code
* believe it or not I think this is actually the easiest, simplest way to do it.
*/
void DBCHandler::saveDBCFile(QString filename)
{
QFile *outFile = new QFile(filename);
QString nodesOutput, msgOutput, commentsOutput, valuesOutput;
if (!outFile->open(QIODevice::WriteOnly | QIODevice::Text))
return;
//right now it outputs a standard hard coded boilerplate
outFile->write("VERSION \"\"\n");
outFile->write("\n");
outFile->write("\n");
outFile->write("NS_ :\n");
outFile->write(" NS_DESC_\n");
outFile->write(" CM_\n");
outFile->write(" BA_DEF_\n");
outFile->write(" BA_\n");
outFile->write(" VAL_\n");
outFile->write(" CAT_DEF_\n");
outFile->write(" CAT_\n");
outFile->write(" FILTER\n");
outFile->write(" BA_DEF_DEF_\n");
outFile->write(" EV_DATA_\n");
outFile->write(" ENVVAR_DATA_\n");
outFile->write(" SGTYPE_\n");
outFile->write(" SGTYPE_VAL_\n");
outFile->write(" BA_DEF_SGTYPE_\n");
outFile->write(" BA_SGTYPE_\n");
outFile->write(" SIG_TYPE_REF_\n");
outFile->write(" VAL_TABLE_\n");
outFile->write(" SIG_GROUP_\n");
outFile->write(" SIG_VALTYPE_\n");
outFile->write(" SIGTYPE_VALTYPE_\n");
outFile->write(" BO_TX_BU_\n");
outFile->write(" BA_DEF_REL_\n");
outFile->write(" BA_REL_\n");
outFile->write(" BA_DEF_DEF_REL_\n");
outFile->write(" BU_SG_REL_\n");
outFile->write(" BU_EV_REL_\n");
outFile->write(" BU_BO_REL_\n");
outFile->write(" SG_MUL_VAL_\n");
outFile->write("\n");
outFile->write("BS_: \n");
nodesOutput.append("BU_: ");
for (int x = 0; x < dbc_nodes.count(); x++)
{
DBC_NODE node = dbc_nodes[x];
if (node.name.compare("Vector_XXX", Qt::CaseInsensitive) != 0)
{
nodesOutput.append(node.name + " ");
if (node.comment.length() > 0)
{
commentsOutput.append("CM_ BU_ " + node.name + " \"" + node.comment + "\";\n");
}
}
}
nodesOutput.append("\n");
outFile->write(nodesOutput.toUtf8());
for (int x = 0; x < dbc_messages.count(); x++)
{
DBC_MESSAGE msg = dbc_messages[x];
msgOutput.append("BO_ " + QString::number(msg.ID) + " " + msg.name + ": " + QString::number(msg.len) +
" " + msg.sender->name + "\n");
if (msg.comment.length() > 0)
{
commentsOutput.append("CM_ BO_ " + QString::number(msg.ID) + " \"" + msg.comment + "\";\n");
}
for (int s = 0; s < msg.msgSignals.count(); s++)
{
DBC_SIGNAL sig = msg.msgSignals[s];
msgOutput.append(" SG_ " + sig.name + " : " + QString::number(sig.startBit) + "|" + QString::number(sig.signalSize) + "@");
switch (sig.valType)
{
case UNSIGNED_INT:
msgOutput.append("0+");
break;
case SIGNED_INT:
msgOutput.append("0-");
break;
case SP_FLOAT:
msgOutput.append("1-");
break;
case DP_FLOAT:
msgOutput.append("2-");
break;
case STRING:
msgOutput.append("3-");
break;
default:
msgOutput.append("0-");
break;
}
msgOutput.append(" (" + QString::number(sig.factor) + "," + QString::number(sig.bias) + ") [" +
QString::number(sig.min) + "|" + QString::number(sig.max) + "] \"" + sig.unitName
+ "\" " + sig.receiver->name + "\n");
if (sig.comment.length() > 0)
{
commentsOutput.append("CM_ SG_ " + QString::number(msg.ID) + " " + sig.name + " \"" + sig.comment + "\";\n");
}
if (sig.valList.count() > 0)
{
valuesOutput.append("VAL_ " + QString::number(msg.ID) + " " + sig.name);
for (int v = 0; v < sig.valList.count(); v++)
{
DBC_VAL val = sig.valList[v];
valuesOutput.append(" " + QString::number(val.value) + " \"" + val.descript +"\"");
}
valuesOutput.append(";\n");
}
}
msgOutput.append("\n");
//write it out every message so the string doesn't end up too huge
outFile->write(msgOutput.toUtf8());
msgOutput.clear(); //got to reset it after writing
}
//now write out all of the accumulated comments and value tables from above
outFile->write(commentsOutput.toUtf8());
outFile->write(valuesOutput.toUtf8());
outFile->close();
}
@@ -513,9 +641,3 @@ unsigned char DBCHandler::processByte(unsigned char input, int start, int end)
output &= ((1 << size) - 1);
return output;
}
/*
SG_ NLG5_E_B_P : 15|1@0+ (1,0) [0|1] "" Control
SG_ NLG5_S_MC_M_PI : 23|8@0+ (0.1,0) [0|20] "A" Control
SG_ NLG5_S_MC_M_CP : 7|16@0+ (0.1,0) [0|100] "A" Control
*/
mainwindow.cpp
+5
View File
@@ -24,6 +24,8 @@ fuzzy scope - Try to find potential places where a given value might be stored -
Things currently broken or in need of attention:
1. Currently no screen supports dynamic updates when new frames come in.
2. Some of the save formats are not actually implemented and silently fail.
3. It would be nice to be able to save the graphing view in the flow view.
4. It would also be nice to be able to save an image of the bitfield grid too.
*/
QString MainWindow::loadedFileName = "";
@@ -785,6 +787,9 @@ void MainWindow::handleSaveDBC()
if (dialog.exec() == QDialog::Accepted)
{
filename = dialog.selectedFiles()[0];
dbcHandler->saveDBCFile(filename);
QStringList fileList = filename.split('/');
lbStatusDatabase.setText(fileList[fileList.length() - 1] + tr(" loaded."));
}
}