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  1. Qt
  2. QTBUG-53642

Improve QCanBus::instance()->createDevice()

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Details

    • Suggestion
    • Resolution: Done
    • Not Evaluated
    • 5.8.0 Alpha
    • 5.7.0 Beta
    • SerialBus: CAN Bus
    • None
    • 5ddd6bb219102b9561ab7a85cc9c9b8feba17e58 a345430678366db1a0540b4a38718bb12c0962c9

    Description

      • I'd like to get more information when the above call fails, like "cannot load shared library pcanbasic.dll". For now, the function can only return nullptr.
      • From programmers side, it's hard to remember, that backendName is a QByteArray and deviceInterfaceName is a QString. This could be changed to all be QString.

      So I'd suggest to have an overload in 5.8 to get the error string:

       QCanBus::instance()->createDevice(
         const QString &backendName,
         const QString &deviceInterfaceName,
         QString *errorString = nullptr);
      

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            aha_1980 André Hartmann
            aha_1980 André Hartmann
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              Updated:
              Resolved:

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