377 lines
12 KiB
C++
377 lines
12 KiB
C++
#include "frameinfowindow.h"
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#include "ui_frameinfowindow.h"
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#include "mainwindow.h"
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#include <QtDebug>
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FrameInfoWindow::FrameInfoWindow(const QVector<CANFrame> *frames, QWidget *parent) :
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QDialog(parent),
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ui(new Ui::FrameInfoWindow)
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{
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ui->setupUi(this);
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readSettings();
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modelFrames = frames;
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connect(ui->listFrameID, &QListWidget::currentTextChanged, this, &FrameInfoWindow::updateDetailsWindow);
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connect(MainWindow::getReference(), &MainWindow::framesUpdated, this, &FrameInfoWindow::updatedFrames);
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connect(ui->btnSave, &QAbstractButton::clicked, this, &FrameInfoWindow::saveDetails);
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}
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void FrameInfoWindow::showEvent(QShowEvent* event)
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{
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QDialog::showEvent(event);
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readSettings();
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refreshIDList();
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if (ui->listFrameID->count() > 0)
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{
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updateDetailsWindow(ui->listFrameID->item(0)->text());
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ui->listFrameID->setCurrentRow(0);
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}
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}
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FrameInfoWindow::~FrameInfoWindow()
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{
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delete ui;
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}
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void FrameInfoWindow::closeEvent(QCloseEvent *event)
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{
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Q_UNUSED(event);
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writeSettings();
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}
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void FrameInfoWindow::readSettings()
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{
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QSettings settings;
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if (settings.value("Main/SaveRestorePositions", false).toBool())
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{
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resize(settings.value("FrameInfo/WindowSize", QSize(794, 494)).toSize());
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move(settings.value("FrameInfo/WindowPos", QPoint(50, 50)).toPoint());
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}
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}
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void FrameInfoWindow::writeSettings()
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{
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QSettings settings;
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if (settings.value("Main/SaveRestorePositions", false).toBool())
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{
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settings.setValue("FrameInfo/WindowSize", size());
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settings.setValue("FrameInfo/WindowPos", pos());
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}
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}
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//remember, negative numbers are special -1 = all frames deleted, -2 = totally new set of frames.
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void FrameInfoWindow::updatedFrames(int numFrames)
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{
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if (numFrames == -1) //all frames deleted. Kill the display
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{
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ui->listFrameID->clear();
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ui->treeDetails->clear();
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refreshIDList();
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}
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else if (numFrames == -2) //all new set of frames. Reset
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{
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refreshIDList();
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if (ui->listFrameID->count() > 0)
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{
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updateDetailsWindow(ui->listFrameID->item(0)->text());
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ui->listFrameID->setCurrentRow(0);
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}
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}
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else //just got some new frames. See if they are relevant.
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{
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if (numFrames > modelFrames->count()) return;
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int currID = ui->listFrameID->currentItem()->text().toInt(NULL, 16);
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bool foundID = false;
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for (int x = modelFrames->count() - numFrames; x < modelFrames->count(); x++)
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{
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if (currID == modelFrames->at(x).ID)
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{
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foundID = true;
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break;
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}
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}
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if (foundID)
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{
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//the problem here is that it'll blast us out of the details as soon as this
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//happens. The only way to do this properly is to actually traverse
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//the details structure and change the text. We don't do that yet.
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//so, the line is commented out. If people need to see the updated
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//data they can click another ID and back and it'll be OK
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//updateDetailsWindow(ui->listFrameID->currentItem()->text());
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}
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}
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}
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void FrameInfoWindow::updateDetailsWindow(QString newID)
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{
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int targettedID;
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int minLen, maxLen, thisLen;
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int avgInterval;
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int minData[8];
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int maxData[8];
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int dataHistogram[256][8];
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int bitfieldHistogram[64];
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uint8_t changedBits[8];
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uint8_t referenceBits[8];
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QTreeWidgetItem *baseNode, *dataBase, *histBase, *tempItem;
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targettedID = Utility::ParseStringToNum(newID);
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if (modelFrames->count() == 0) return;
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qDebug() << "Started update details window with id " << targettedID;
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avgInterval = 0;
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if (targettedID > -1)
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{
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frameCache.clear();
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for (int i = 0; i < modelFrames->count(); i++)
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{
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CANFrame thisFrame = modelFrames->at(i);
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if (thisFrame.ID == targettedID) frameCache.append(thisFrame);
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}
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ui->treeDetails->clear();
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if (frameCache.count() == 0) return;
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baseNode = new QTreeWidgetItem();
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baseNode->setText(0, QString("ID: ") + newID );
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if (frameCache[0].extended) //if these frames seem to be extended then try for J1939 decoding
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{
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J1939ID jid;
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jid.src = targettedID & 0xFF;
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jid.priority = targettedID >> 26;
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jid.pgn = (targettedID >> 8) & 0x3FFFF; //18 bits
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jid.pf = (targettedID >> 16) & 0xFF;
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jid.ps = (targettedID >> 8) & 0xFF;
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if (jid.pf > 0xEF)
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{
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jid.isBroadcast = true;
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jid.dest = 0xFFFF;
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tempItem = new QTreeWidgetItem();
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tempItem->setText(0, tr("Broadcast Frame"));
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baseNode->addChild(tempItem);
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}
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else
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{
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jid.dest = jid.ps;
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tempItem = new QTreeWidgetItem();
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tempItem->setText(0, tr("Destination ID: ") + Utility::formatNumber(jid.dest));
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baseNode->addChild(tempItem);
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}
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tempItem = new QTreeWidgetItem();
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tempItem->setText(0, tr("SRC: ") + Utility::formatNumber(jid.src));
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baseNode->addChild(tempItem);
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tempItem = new QTreeWidgetItem();
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tempItem->setText(0, tr("PGN: ") + Utility::formatNumber(jid.pgn));
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baseNode->addChild(tempItem);
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tempItem = new QTreeWidgetItem();
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tempItem->setText(0, tr("PF: ") + Utility::formatNumber(jid.pf));
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baseNode->addChild(tempItem);
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tempItem = new QTreeWidgetItem();
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tempItem->setText(0, tr("PS: ") + Utility::formatNumber(jid.ps));
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baseNode->addChild(tempItem);
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}
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tempItem = new QTreeWidgetItem();
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tempItem->setText(0, tr("# of frames: ") + QString::number(frameCache.count(),10));
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baseNode->addChild(tempItem);
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//clear out all the counters and accumulators
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minLen = 8;
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maxLen = 0;
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for (int i = 0; i < 8; i++)
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{
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minData[i] = 256;
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maxData[i] = -1;
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for (int k = 0; k < 256; k++) dataHistogram[k][i] = 0;
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}
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for (int j = 0; j < 64; j++) bitfieldHistogram[j] = 0;
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for (int c = 0; c < 8; c++)
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{
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changedBits[c] = 0;
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referenceBits[c] = frameCache.at(0).data[c];
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qDebug() << referenceBits[c];
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}
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//then find all data points
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for (int j = 0; j < frameCache.count(); j++)
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{
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if (j != 0) avgInterval += (frameCache[j].timestamp - frameCache[j-1].timestamp);
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thisLen = frameCache.at(j).len;
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if (thisLen > maxLen) maxLen = thisLen;
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if (thisLen < minLen) minLen = thisLen;
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for (int c = 0; c < thisLen; c++)
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{
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unsigned char dat = frameCache.at(j).data[c];
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if (minData[c] > dat) minData[c] = dat;
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if (maxData[c] < dat) maxData[c] = dat;
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dataHistogram[dat][c]++; //add one to count for this
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for (int l = 0; l < 8; l++)
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{
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int bit = dat & (1 << l);
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if (bit == (1 << l))
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{
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bitfieldHistogram[c * 8 + l]++;
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}
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}
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changedBits[c] |= referenceBits[c] ^ dat;
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}
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}
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if (frameCache.count() > 1)
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avgInterval = avgInterval / (frameCache.count() - 1);
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else avgInterval = 0;
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tempItem = new QTreeWidgetItem();
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if (minLen < maxLen)
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tempItem->setText(0, tr("Data Length: ") + QString::number(minLen) + tr(" to ") + QString::number(maxLen));
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else
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tempItem->setText(0, tr("Data Length: ") + QString::number(minLen));
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baseNode->addChild(tempItem);
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tempItem = new QTreeWidgetItem();
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tempItem->setText(0, tr("Average inter-frame interval: ") + QString::number(avgInterval) + "us");
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baseNode->addChild(tempItem);
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for (int c = 0; c < maxLen; c++)
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{
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dataBase = new QTreeWidgetItem();
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histBase = new QTreeWidgetItem();
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dataBase->setText(0, tr("Data Byte ") + QString::number(c));
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baseNode->addChild(dataBase);
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tempItem = new QTreeWidgetItem();
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QString builder;
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builder = tr("Changed bits: 0x") + QString::number(changedBits[c], 16) + " (" + Utility::formatByteAsBinary(changedBits[c]) + ")";
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tempItem->setText(0, builder);
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dataBase->addChild(tempItem);
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tempItem = new QTreeWidgetItem();
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tempItem->setText(0, tr("Range: ") + Utility::formatNumber(minData[c]) + tr(" to ") + Utility::formatNumber(maxData[c]));
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dataBase->addChild(tempItem);
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histBase->setText(0, tr("Histogram"));
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dataBase->addChild(histBase);
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for (int d = 0; d < 256; d++)
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{
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if (dataHistogram[d][c] > 0)
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{
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tempItem = new QTreeWidgetItem();
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tempItem->setText(0, QString::number(d) + "/0x" + QString::number(d, 16) +" (" + Utility::formatByteAsBinary(d) +") -> " + QString::number(dataHistogram[d][c]));
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histBase->addChild(tempItem);
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}
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}
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}
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dataBase = new QTreeWidgetItem();
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dataBase->setText(0, tr("Bitfield Histogram"));
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for (int c = 0; c < 8 * maxLen; c++)
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{
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tempItem = new QTreeWidgetItem();
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tempItem->setText(0, QString::number(c) + " (Byte " + QString::number(c / 8) + " Bit "
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+ QString::number(c % 8) + ") :" + QString::number(bitfieldHistogram[c]));
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dataBase->addChild(tempItem);
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}
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baseNode->addChild(dataBase);
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ui->treeDetails->insertTopLevelItem(0, baseNode);
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}
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else
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{
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}
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QSettings settings;
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if (settings.value("InfoCompare/AutoExpand", false).toBool())
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{
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ui->treeDetails->expandAll();
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}
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}
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void FrameInfoWindow::refreshIDList()
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{
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int id;
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for (int i = 0; i < modelFrames->count(); i++)
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{
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id = modelFrames->at(i).ID;
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if (!foundID.contains(id))
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{
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foundID.append(id);
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ui->listFrameID->addItem(Utility::formatNumber(id));
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}
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}
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//default is to sort in ascending order
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ui->listFrameID->sortItems();
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ui->lblFrameID->setText(tr("Frame IDs: (") + QString::number(ui->listFrameID->count()) + tr(" unique ids)"));
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}
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void FrameInfoWindow::saveDetails()
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{
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QString filename;
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QFileDialog dialog(this);
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QStringList filters;
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filters.append(QString(tr("Text File (*.txt)")));
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dialog.setFileMode(QFileDialog::AnyFile);
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dialog.setNameFilters(filters);
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dialog.setViewMode(QFileDialog::Detail);
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dialog.setAcceptMode(QFileDialog::AcceptSave);
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if (dialog.exec() == QDialog::Accepted)
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{
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filename = dialog.selectedFiles()[0];
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if (!filename.contains('.')) filename += ".txt";
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if (dialog.selectedNameFilter() == filters[0])
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{
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QFile *outFile = new QFile(filename);
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if (!outFile->open(QIODevice::WriteOnly | QIODevice::Text))
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{
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delete outFile;
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return;
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}
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//go through all IDs, recalculate the data, and then save it to file
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for (int i = 0; i < ui->listFrameID->count(); i++)
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{
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updateDetailsWindow(ui->listFrameID->item(i)->text());
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dumpNode(ui->treeDetails->invisibleRootItem(), outFile, 0);
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outFile->write("\n\n");
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}
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outFile->close();
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delete outFile;
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}
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}
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}
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void FrameInfoWindow::dumpNode(QTreeWidgetItem* item, QFile *file, int indent)
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{
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for (int i = 0; i < indent; i++) file->write("\t");
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file->write(item->text(0).toUtf8());
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file->write("\n");
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for( int i = 0; i < item->childCount(); ++i )
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dumpNode( item->child(i), file, indent + 1 );
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}
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