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Thread: Problems when adding serialport module in Qt project

  1. #1
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    Default Problems when adding serialport module in Qt project

    Hi,
    I need to use QSerialport in my Qt project. Following the official documentation, I added
    Qt Code:
    1. QT += serialport
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    to my .pro file. After doing this, the build always fails, giving the error: "Unknown module(s) in QT: serialport". I am using Qt Creator 4.1.0 based on Qt 5.6.1. What am I missing?
    Thank you.

  2. #2
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    Default Re: Problems when adding serialport module in Qt project

    try installing qt5-qtserialport-devel with your favorite package manager (I assume you are on linux based on your profile information)
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  3. #3
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    Default Re: Problems when adding serialport module in Qt project

    Hi high_flyer,
    my develop PC runs Ubuntu 16.04. Is it possible I cannot find the package you suggested?
    How can I make sure which Qt version am I using in my project?
    Thank you.

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    Default Re: Problems when adding serialport module in Qt project

    Hi, according to packages.ubuntu.com the package is called libqt5serialport5 and libqt5serialport5-dev.

    Ginsengelf

  5. #5
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    Default Re: Problems when adding serialport module in Qt project

    Since I need to cross-compile for my device running linux Yocto, is there a different way to include the serial port module in my Qt project? Are the drivers/libraries different?
    Thanks.

  6. #6
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    Default Re: Problems when adding serialport module in Qt project

    I don't understand.
    Yocto is not a distro - its a packaging tool, a distro maker if you will.

    If you are cross compiling you will need a cross compiled version of Qt as well.
    The serial port module is available on all Qt supported platform *I think* - but the docs can probably help.
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