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caninterface.cpp
72 lines (55 loc) · 1.54 KB
/
caninterface.cpp
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#include <QDebug>
#include "caninterface.h"
CanInterface::CanInterface()
{
}
void CanInterface::run()
{
if(connectCan()) {
qDebug() << "connected";
connect(globaldevice, SIGNAL(errorOccurred(QCanBusDevice::CanBusError)), this, SLOT(canError(QCanBusDevice::CanBusError)));
connect(globaldevice, SIGNAL(framesReceived()), this, SLOT(readCanData()));
}
}
CanInterface::~CanInterface()
{
globaldevice->disconnectDevice();
}
// CAN Availability
bool CanInterface::checkCanAvailable()
{
if (QCanBus::instance()->plugins().contains(QStringLiteral("socketcan")))
{
// plugin available
qDebug() << "[+] can plugin available";
return true;
}
return false;
}
// Connect CAN and set "globaldevice"
bool CanInterface::connectCan()
{
if(!checkCanAvailable())
return false;
QCanBusDevice *device = QCanBus::instance()->createDevice(
QStringLiteral("socketcan"), QStringLiteral("can0"));
device->connectDevice();
globaldevice = device;
qDebug() << "[+] connection made";
return true;
}
// CAN Error method
void CanInterface::canError(QCanBusDevice::CanBusError error)
{
qWarning("ReadCanData::canError - code: %d, error: %s", static_cast<int>(error), qPrintable(globaldevice->errorString()));
globaldevice->disconnectDevice();
}
void CanInterface::readCanData()
{
while(globaldevice->framesAvailable()){
frame = globaldevice->readFrame();
QString data;
data=frame.toString();
signalmapping.mapSignals(data);
}
}