QCanBusFactoryV2 Class | Qt Serial Bus 5.15.0

- Qt 5.15
- Qt Serial Bus
- C++ Classes
- QCanBusFactoryV2
- Qt 5.15.0 Reference Documentation

# QCanBusFactoryV2 Class

The QCanBusFactoryV2 class is a factory class used as the plugin interface for CAN bus plugins. More...

Header: | #include <QCanBusFactoryV2>
qmake: | QT += serialbus
Since: | Qt 5.9
Inherits: | QCanBusFactory

This class was introduced in Qt 5.9.

- List of all members, including inherited members

## Public Functions

virtual QList<QCanBusDeviceInfo> | availableDevices(QString *errorMessage) const = 0

## Reimplemented Public Functions

virtual QCanBusDevice * | createDevice(const QString &interfaceName, QString *errorMessage) const override = 0

## Detailed Description

All plugins must implement the functions provided by this factory class.

## Member Function Documentation

### `[pure virtual]` QList<QCanBusDeviceInfo> QCanBusFactoryV2::availableDevices(QString *errorMessage) const

Returns the list of available devices and their capabilities for the QCanBusDevice.

errorMessage contains an error description in case of failure.

### `[override pure virtual]` QCanBusDevice *QCanBusFactoryV2::createDevice(const QString &interfaceName, QString *errorMessage) const

Reimplements: QCanBusFactory::createDevice(const QString &interfaceName, QString *errorMessage) const.

Creates a new QCanBusDevice. The caller must take ownership of the returned pointer.

interfaceName is the CAN interface name and errorMessage contains an error description in case of failure.

If the factory cannot create a plugin, it returns `nullptr`.