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Example for embedded linux

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  • D Offline
    D Offline
    dland
    wrote on 29 Oct 2019, 17:42 last edited by
    #1

    I have a Linux ARMv7 device running Ubuntu 16.04.2 LTS with a touch screen. The processor is pretty underpowered and we are looking for a UI framework that will provide simple graphics and animations in a performant way.

    Are there any out of the box examples that will run on that device? I have no Qt experience but just need a quick way to determine if Qt is a potential solution for us.

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    • S Offline
      S Offline
      SGaist
      Lifetime Qt Champion
      wrote on 29 Oct 2019, 17:46 last edited by
      #2

      Hi,

      How much underpowered ?

      You might want to take a look at this article. It talks about MCU but should give you an overview about Qt on low powered system.

      Interested in AI ? www.idiap.ch
      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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      • D Offline
        D Offline
        dland
        wrote on 29 Oct 2019, 17:56 last edited by
        #3

        It has about 1 GB a RAM and here is the cpu info:

        $lscpu
        Architecture:          armv7l
        Byte Order:            Little Endian
        CPU(s):                2
        On-line CPU(s) list:   0,1
        Thread(s) per core:    1
        Core(s) per socket:    2
        Socket(s):             1
        Model name:            ARMv7 Processor rev 10 (v7l)
        CPU max MHz:           792.0000
        CPU min MHz:           396.0000
        Hypervisor vendor:     (null)
        

        I'll have a look at the MCU doc.

        J 1 Reply Last reply 30 Oct 2019, 06:08
        0
        • D dland
          29 Oct 2019, 17:56

          It has about 1 GB a RAM and here is the cpu info:

          $lscpu
          Architecture:          armv7l
          Byte Order:            Little Endian
          CPU(s):                2
          On-line CPU(s) list:   0,1
          Thread(s) per core:    1
          Core(s) per socket:    2
          Socket(s):             1
          Model name:            ARMv7 Processor rev 10 (v7l)
          CPU max MHz:           792.0000
          CPU min MHz:           396.0000
          Hypervisor vendor:     (null)
          

          I'll have a look at the MCU doc.

          J Offline
          J Offline
          jsulm
          Lifetime Qt Champion
          wrote on 30 Oct 2019, 06:08 last edited by
          #4

          @dland See https://doc.qt.io/qt-5/qtexamplesandtutorials.html
          But you will either need to setup a cross compile environment and build Qt + examples or do that directly on your device.

          https://forum.qt.io/topic/113070/qt-code-of-conduct

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          29 Oct 2019, 17:42

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