666 lines
18 KiB
C++
666 lines
18 KiB
C++
#include "canframemodel.h"
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#include <QFile>
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#include <QApplication>
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#include <QPalette>
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#include <QDateTime>
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#include "utility.h"
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enum class Column {
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TimeStamp = 0, ///< The timestamp when the frame was transmitted or received
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FrameId = 1, ///< The frames CAN identifier (Standard: 11 or Extended: 29 bit)
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Extended = 2, ///< True if the frames CAN identifier is 29 bit
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Remote = 3, ///< True if the frames is a remote frame
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Direction = 4, ///< Whether the frame was transmitted or received
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Bus = 5, ///< The bus where the frame was transmitted or received
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Length = 6, ///< The frames payload data length
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ASCII = 7, ///< The payload interpreted as ASCII characters
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Data = 8, ///< The frames payload data
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NUM_COLUMN
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};
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CANFrameModel::~CANFrameModel()
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{
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frames.clear();
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filteredFrames.clear();
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filters.clear();
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}
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int CANFrameModel::rowCount(const QModelIndex &parent) const
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{
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Q_UNUSED(parent);
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if (filteredFrames.data())
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{
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int rows = filteredFrames.count();
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return rows;
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}
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//just in case somehow data is invalid which I have seen before.
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//But, this should not happen so issue a debugging message too
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qDebug() << "Invalid data for filteredFrames. Returning 0.";
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return 0;
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}
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int CANFrameModel::totalFrameCount()
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{
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int count;
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count = frames.count();
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return count;
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}
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int CANFrameModel::columnCount(const QModelIndex &index) const
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{
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Q_UNUSED(index);
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return (int)Column::NUM_COLUMN;
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}
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CANFrameModel::CANFrameModel(QObject *parent)
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: QAbstractTableModel(parent)
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{
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if (QSysInfo::WordSize > 32)
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{
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qDebug() << "64 bit OS detected. Requesting a large preallocation";
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preallocSize = 10000000;
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}
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else //if compiling for 32 bit you can't ask for gigabytes of preallocation so tone it down.
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{
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qDebug() << "32 bit OS detected. Requesting a much restricted prealloc";
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preallocSize = 2000000;
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}
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frames.reserve(preallocSize);
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filteredFrames.reserve(preallocSize); //the goal is to prevent a reallocation from ever happening
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dbcHandler = DBCHandler::getReference();
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interpretFrames = false;
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overwriteDups = false;
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useHexMode = true;
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timeSeconds = false;
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timeOffset = 0;
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needFilterRefresh = false;
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lastUpdateNumFrames = 0;
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timeFormat = "MMM-dd HH:mm:ss.zzz";
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}
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void CANFrameModel::setHexMode(bool mode)
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{
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if (useHexMode != mode)
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{
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this->beginResetModel();
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useHexMode = mode;
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Utility::decimalMode = !useHexMode;
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this->endResetModel();
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}
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}
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void CANFrameModel::setSecondsMode(bool mode)
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{
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if (Utility::secondsMode != mode)
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{
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this->beginResetModel();
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Utility::secondsMode = mode;
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this->endResetModel();
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}
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}
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void CANFrameModel::setSysTimeMode(bool mode)
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{
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if (Utility::sysTimeMode != mode)
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{
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this->beginResetModel();
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Utility::sysTimeMode = mode;
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this->endResetModel();
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}
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}
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void CANFrameModel::setInterpetMode(bool mode)
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{
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//if the state of interpretFrames changes then we need to reset the model
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//so that QT will refresh the view properly
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if (interpretFrames != mode)
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{
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this->beginResetModel();
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interpretFrames = mode;
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this->endResetModel();
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}
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}
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void CANFrameModel::setTimeFormat(QString format)
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{
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Utility::timeFormat = format;
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beginResetModel(); //reset model to show new time format
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endResetModel();
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}
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void CANFrameModel::normalizeTiming()
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{
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mutex.lock();
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if (frames.count() == 0) return;
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timeOffset = frames[0].timestamp;
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for (int j = 0; j < frames.count(); j++)
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{
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if (frames[j].timestamp < timeOffset) timeOffset = frames[j].timestamp;
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}
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for (int i = 0; i < frames.count(); i++)
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{
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frames[i].timestamp -= timeOffset;
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}
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this->beginResetModel();
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for (int i = 0; i < filteredFrames.count(); i++)
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{
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filteredFrames[i].timestamp -= timeOffset;
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}
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this->endResetModel();
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mutex.unlock();
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}
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void CANFrameModel::setOverwriteMode(bool mode)
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{
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beginResetModel();
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overwriteDups = mode;
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recalcOverwrite();
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endResetModel();
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}
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void CANFrameModel::setFilterState(unsigned int ID, bool state)
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{
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if (!filters.contains(ID)) return;
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filters[ID] = state;
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sendRefresh();
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}
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void CANFrameModel::setAllFilters(bool state)
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{
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QMap<int, bool>::iterator it;
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for (it = filters.begin(); it != filters.end(); ++it)
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{
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it.value() = state;
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}
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sendRefresh();
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}
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void CANFrameModel::recalcOverwrite()
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{
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if (!overwriteDups) return; //no need to do a thing if mode is disabled
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qDebug() << "recalcOverwrite called in model";
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int lastUnique = 0;
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bool found;
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mutex.lock();
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beginResetModel();
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//Look at the current list of frames and turn it into just a list of unique IDs
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QHash<int, CANFrame> overWriteFrames;
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foreach(CANFrame frame, frames)
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{
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if (!overWriteFrames.contains(frame.ID))
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{
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overWriteFrames.insert(frame.ID, frame);
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}
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else overWriteFrames[frame.ID] = frame;
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}
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//Then replace the old list of frames with just the unique list
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frames.clear();
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frames.append(overWriteFrames.values().toVector());
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filteredFrames.clear();
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filteredFrames.reserve(preallocSize);
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for (int i = 0; i < frames.count(); i++)
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{
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if (filters[frames[i].ID])
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{
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filteredFrames.append(frames[i]);
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}
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}
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endResetModel();
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mutex.unlock();
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}
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QVariant CANFrameModel::data(const QModelIndex &index, int role) const
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{
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int dLen;
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QString tempString;
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CANFrame thisFrame;
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static bool rowFlip = false;
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if (!index.isValid())
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return QVariant();
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if (index.row() >= (filteredFrames.count()))
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return QVariant();
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thisFrame = filteredFrames.at(index.row());
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if (role == Qt::BackgroundColorRole)
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{
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if (dbcHandler != NULL && interpretFrames)
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{
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DBC_MESSAGE *msg = dbcHandler->findMessage(thisFrame);
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if (msg != NULL)
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{
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return msg->bgColor;
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}
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}
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rowFlip = (index.row() % 2);
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if (rowFlip) return QApplication::palette().color(QPalette::Base);
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else return QApplication::palette().color(QPalette::AlternateBase);
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}
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if (role == Qt::TextAlignmentRole)
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{
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return Qt::AlignLeft;
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}
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if (role == Qt::TextColorRole)
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{
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if (dbcHandler != NULL && interpretFrames)
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{
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DBC_MESSAGE *msg = dbcHandler->findMessage(thisFrame);
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if (msg != NULL)
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{
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return msg->fgColor;
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}
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}
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return QApplication::palette().color(QPalette::WindowText);
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}
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if (role == Qt::DisplayRole) {
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switch (Column(index.column()))
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{
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case Column::TimeStamp:
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return Utility::formatTimestamp(thisFrame.timestamp);
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case Column::FrameId:
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return Utility::formatCANID(thisFrame.ID, thisFrame.extended);
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case Column::Extended:
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return QString::number(thisFrame.extended);
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case Column::Remote:
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return QString::number(thisFrame.remote);
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case Column::Direction:
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if (thisFrame.isReceived) return QString(tr("Rx"));
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return QString(tr("Tx"));
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case Column::Bus:
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return QString::number(thisFrame.bus);
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case Column::Length:
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return QString::number(thisFrame.len);
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case Column::ASCII:
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if (thisFrame.ID >= 0x7FFFFFF0ull)
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{
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tempString.append("MARK ");
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tempString.append(QString::number(thisFrame.ID & 0x7));
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return tempString;
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}
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dLen = thisFrame.len;
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if (!thisFrame.remote) {
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if (dLen < 0) dLen = 0;
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if (dLen > 8) dLen = 8;
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for (int i = 0; i < dLen; i++)
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{
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quint8 byt = thisFrame.data[i];
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//0x20 through 0x7E are printable characters. Outside of that range they aren't. So use dots instead
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if (byt < 0x20) byt = 0x2E; //dot character
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if (byt > 0x7E) byt = 0x2E;
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tempString.append(QString::fromUtf8((char *)&byt, 1));
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}
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}
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return tempString;
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case Column::Data:
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dLen = thisFrame.len;
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if (dLen < 0) dLen = 0;
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if (dLen > 8) dLen = 8;
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//if (useHexMode) tempString.append("0x ");
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if (thisFrame.remote) {
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return tempString;
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}
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for (int i = 0; i < dLen; i++)
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{
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if (useHexMode) tempString.append( QString::number(thisFrame.data[i], 16).toUpper().rightJustified(2, '0'));
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else tempString.append(QString::number(thisFrame.data[i], 10));
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tempString.append(" ");
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}
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//now, if we're supposed to interpret the data and the DBC handler is loaded then use it
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if (dbcHandler != NULL && interpretFrames)
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{
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DBC_MESSAGE *msg = dbcHandler->findMessage(thisFrame);
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if (msg != NULL)
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{
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tempString.append(" <Interpreted>\n");
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tempString.append(msg->name + "\n" + msg->comment + "\n");
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for (int j = 0; j < msg->sigHandler->getCount(); j++)
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{
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QString sigString;
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if (msg->sigHandler->findSignalByIdx(j)->processAsText(thisFrame, sigString))
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{
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tempString.append(sigString);
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tempString.append("\n");
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}
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}
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}
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}
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return tempString;
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default:
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return tempString;
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}
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}
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return QVariant();
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}
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QVariant CANFrameModel::headerData(int section, Qt::Orientation orientation,
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int role) const
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{
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if (role != Qt::DisplayRole)
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return QVariant();
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if (orientation == Qt::Horizontal)
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{
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switch (Column(section))
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{
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case Column::TimeStamp:
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return QString(tr("Timestamp"));
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case Column::FrameId:
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return QString(tr("ID"));
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case Column::Extended:
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return QString(tr("Ext"));
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case Column::Remote:
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return QString(tr("Rem"));
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case Column::Direction:
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return QString(tr("Dir"));
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case Column::Bus:
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return QString(tr("Bus"));
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case Column::Length:
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return QString(tr("Len"));
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case Column::ASCII:
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return QString(tr("ASCII"));
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case Column::Data:
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return QString(tr("Data"));
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default:
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return QString("");
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}
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}
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else
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return QString::number(section + 1);
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return QVariant();
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}
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void CANFrameModel::addFrame(const CANFrame& frame, bool autoRefresh = false)
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{
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/*TODO: remove mutex */
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mutex.lock();
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CANFrame tempFrame;
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tempFrame = frame;
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tempFrame.timestamp -= timeOffset;
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lastUpdateNumFrames++;
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//if this ID isn't found in the filters list then add it and show it by default
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if (!filters.contains(tempFrame.ID))
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{
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filters.insert(tempFrame.ID, true);
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needFilterRefresh = true;
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}
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if (!overwriteDups)
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{
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frames.append(tempFrame);
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if (filters[tempFrame.ID])
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{
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if (autoRefresh) beginInsertRows(QModelIndex(), filteredFrames.count(), filteredFrames.count());
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filteredFrames.append(tempFrame);
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if (autoRefresh) endInsertRows();
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}
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}
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else //yes, overwrite dups
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{
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bool found = false;
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for (int i = 0; i < frames.count(); i++)
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{
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if (frames[i].ID == tempFrame.ID)
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{
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frames.replace(i, tempFrame);
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found = true;
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break;
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}
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}
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if (!found)
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{
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frames.append(tempFrame);
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if (filters[tempFrame.ID])
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{
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if (autoRefresh) beginInsertRows(QModelIndex(), filteredFrames.count(), filteredFrames.count());
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filteredFrames.append(tempFrame);
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if (autoRefresh) endInsertRows();
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}
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}
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else
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{
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for (int j = 0; j < filteredFrames.count(); j++)
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{
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if (filteredFrames[j].ID == tempFrame.ID)
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{
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if (autoRefresh) beginResetModel();
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filteredFrames.replace(j, tempFrame);
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if (autoRefresh) endResetModel();
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}
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}
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}
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}
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mutex.unlock();
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}
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void CANFrameModel::addFrames(const CANConnection*, const QVector<CANFrame>& pFrames)
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{
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foreach(const CANFrame& frame, pFrames)
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{
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addFrame(frame);
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}
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if (overwriteDups) //if in overwrite mode we'll update every time frames come in
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{
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beginResetModel();
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endResetModel();
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}
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}
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void CANFrameModel::sendRefresh()
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{
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qDebug() << "Sending mass refresh";
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QVector<CANFrame> tempContainer;
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int count = frames.count();
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for (int i = 0; i < count; i++)
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{
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if (filters[frames[i].ID])
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{
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tempContainer.append(frames[i]);
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}
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}
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mutex.lock();
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beginResetModel();
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filteredFrames.clear();
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filteredFrames.reserve(preallocSize);
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filteredFrames.append(tempContainer);
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lastUpdateNumFrames = 0;
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endResetModel();
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mutex.unlock();
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}
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void CANFrameModel::sendRefresh(int pos)
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{
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beginInsertRows(QModelIndex(), pos, pos);
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endInsertRows();
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}
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//issue a refresh for the last num entries in the model.
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//used by the serial worker to do batch updates so it doesn't
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//have to send thousands of messages per second
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int CANFrameModel::sendBulkRefresh()
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{
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//int num = filteredFrames.count() - lastUpdateNumFrames;
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if (lastUpdateNumFrames <= 0) return 0;
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if (lastUpdateNumFrames == 0 && !overwriteDups) return 0;
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if (filteredFrames.count() == 0) return 0;
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qDebug() << "Bulk refresh of " << lastUpdateNumFrames;
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beginResetModel();
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endResetModel();
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int num = lastUpdateNumFrames;
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lastUpdateNumFrames = 0;
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return num;
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}
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void CANFrameModel::clearFrames()
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{
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mutex.lock();
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this->beginResetModel();
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frames.clear();
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filteredFrames.clear();
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filters.clear();
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frames.reserve(preallocSize);
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filteredFrames.reserve(preallocSize);
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this->endResetModel();
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lastUpdateNumFrames = 0;
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mutex.unlock();
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emit updatedFiltersList();
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}
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/*
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* Since the getListReference function returns readonly
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* you can't insert frames with it. Instead this function
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* allows for a mass import of frames into the model
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*/
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void CANFrameModel::insertFrames(const QVector<CANFrame> &newFrames)
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{
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//not resetting the model here because the serial worker automatically does a bulk refresh every 1/4 second
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//and that refresh will cause the view to update. If you do both it usually ends up thinking you have
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//double the number of frames.
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//beginResetModel();
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mutex.lock();
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int insertedFiltered = 0;
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for (int i = 0; i < newFrames.count(); i++)
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{
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frames.append(newFrames[i]);
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if (!filters.contains(newFrames[i].ID))
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{
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filters.insert(newFrames[i].ID, true);
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needFilterRefresh = true;
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}
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if (filters[newFrames[i].ID])
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{
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insertedFiltered++;
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filteredFrames.append(newFrames[i]);
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}
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}
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lastUpdateNumFrames = newFrames.count();
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mutex.unlock();
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//endResetModel();
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//beginInsertRows(QModelIndex(), filteredFrames.count() + 1, filteredFrames.count() + insertedFiltered);
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//endInsertRows();
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if (needFilterRefresh) emit updatedFiltersList();
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}
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int CANFrameModel::getIndexFromTimeID(unsigned int ID, double timestamp)
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{
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int bestIndex = -1;
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uint64_t intTimeStamp = timestamp * 1000000l;
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for (int i = 0; i < frames.count(); i++)
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{
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if ((frames[i].ID == ID))
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{
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if (frames[i].timestamp <= intTimeStamp) bestIndex = i;
|
|
else break; //drop out of loop as soon as we pass the proper timestamp
|
|
}
|
|
}
|
|
return bestIndex;
|
|
}
|
|
|
|
void CANFrameModel::loadFilterFile(QString filename)
|
|
{
|
|
QFile *inFile = new QFile(filename);
|
|
QByteArray line;
|
|
int ID;
|
|
|
|
if (!inFile->open(QIODevice::ReadOnly | QIODevice::Text))
|
|
return;
|
|
|
|
filters.clear();
|
|
|
|
while (!inFile->atEnd()) {
|
|
line = inFile->readLine().simplified();
|
|
if (line.length() > 2)
|
|
{
|
|
QList<QByteArray> tokens = line.split(',');
|
|
ID = tokens[0].toInt(NULL, 16);
|
|
if (tokens[1].toUpper() == "T") filters.insert(ID, true);
|
|
else filters.insert(ID, false);
|
|
}
|
|
}
|
|
inFile->close();
|
|
|
|
sendRefresh();
|
|
|
|
emit updatedFiltersList();
|
|
}
|
|
|
|
void CANFrameModel::saveFilterFile(QString filename)
|
|
{
|
|
QFile *outFile = new QFile(filename);
|
|
|
|
if (!outFile->open(QIODevice::WriteOnly | QIODevice::Text))
|
|
return;
|
|
|
|
QMap<int, bool>::const_iterator it;
|
|
for (it = filters.begin(); it != filters.end(); ++it)
|
|
{
|
|
outFile->write(QString::number(it.key(), 16).toUtf8());
|
|
outFile->putChar(',');
|
|
if (it.value()) outFile->putChar('T');
|
|
else outFile->putChar('F');
|
|
outFile->write("\n");
|
|
}
|
|
outFile->close();
|
|
}
|
|
|
|
bool CANFrameModel::needsFilterRefresh()
|
|
{
|
|
bool temp = needFilterRefresh;
|
|
needFilterRefresh = false;
|
|
return temp;
|
|
}
|
|
|
|
/*
|
|
*This used to not be const correct but it is now. So, there's little harm in
|
|
* allowing external code to peek at our frames. There's just no touching.
|
|
* This ability to get a direct read-only reference speeds up a variety of
|
|
* external code that needs to access frames directly and doesn't care about
|
|
* this model's normal output mechanism.
|
|
*/
|
|
const QVector<CANFrame>* CANFrameModel::getListReference() const
|
|
{
|
|
return &frames;
|
|
}
|
|
|
|
const QVector<CANFrame>* CANFrameModel::getFilteredListReference() const
|
|
{
|
|
return &filteredFrames;
|
|
}
|
|
|
|
const QMap<int, bool>* CANFrameModel::getFiltersReference() const
|
|
{
|
|
return &filters;
|
|
}
|