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Forum Update on Monday, May 27th 2025

Serial Port Issue

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  • S Offline
    S Offline
    Shashwat
    wrote last edited by
    #1

    I am working on a Serial port Communication Application where at every one second I am reading the data from the PCB board and writing the acknowledgement for that. But I am facing an issue after some time i am unable to write on the board and recieving bytes in the buffer is also zero but i have checked that there is data on the board using serial port application like tera term and gtkterm.
    if anyone knows why this behaviour is happening. Please help.
    PS: I am using Ubuntu 22.04 based IPC.

    jsulmJ 1 Reply Last reply
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    • S Shashwat

      I am working on a Serial port Communication Application where at every one second I am reading the data from the PCB board and writing the acknowledgement for that. But I am facing an issue after some time i am unable to write on the board and recieving bytes in the buffer is also zero but i have checked that there is data on the board using serial port application like tera term and gtkterm.
      if anyone knows why this behaviour is happening. Please help.
      PS: I am using Ubuntu 22.04 based IPC.

      jsulmJ Online
      jsulmJ Online
      jsulm
      Lifetime Qt Champion
      wrote last edited by
      #2

      @Shashwat You will have to provide more information (even better relevant code). You did not even mention whether you're using https://doc.qt.io/qt-6/qtserialport-index.html

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

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