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RTC of AM335x is not Updated with QProcess Class

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  • P Offline
    P Offline
    praveen0991kr
    wrote on last edited by
    #1

    I have made one application in which i have to update my system date and time:
    Qt 5.0.1
    Linux Environment

    when i am working with Ubuntu 12.04 and after running application as i press pushbutton date and time is updated on system and after restart of PC it shows updated date and time;

    but the same application when i run on my AM335x device with linux environment:
    After pressing pushbutton it shows updated date and time as required but when i restart my device it show previous data i.e : date time that might be store in SDK files or AM335x system files

    My Question is how to update Date and Time Values in AM335x based device system files.

    Praveen

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    • jazzycamelJ Offline
      jazzycamelJ Offline
      jazzycamel
      wrote on last edited by
      #2

      Is the AM335x part of a BeagleBone system? If so, I think you'll find that, as the BB doesn't have a hardware clock source, the system time is probably set via "NTP":http://en.wikipedia.org/wiki/Network_Time_Protocol on boot and is therefore probably overwriting/ignoring your changes.

      As this is is more of a system/OS question you might get more luck on one of the BB/embedded linux forums.

      For the avoidance of doubt:

      1. All my code samples (C++ or Python) are tested before posting
      2. As of 23/03/20, my Python code is formatted to PEP-8 standards using black from the PSF (https://github.com/psf/black)
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