Probleme with latest ARM Toolchain and time functions

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This topic contains 3 replies, has 3 voices, and was last updated by  support 3 weeks ago.

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    Posts
  • #26856

    julieninnovel
    Participant

    Hello,

    I have a project based on a STM32 using the internal RTC.

    I was using the toolchain “arm-eabi-gcc7.2.0-r3” to translate a timestamp UNIX to a tm struct and sthen set my RTC like this :

     

    All was OK. If I call this function with a timestamp at 1576158671, the p_time struct contain :

    12/12/2019  13:51:11

    But with the latset toolchain “arm-eabi-gcc9.2.1”, the same function, call with the same timestamp value set the p_time struct with random value like :

    2/1/1971721  11:25:06

     

    Thanks for your help.

     

    • This topic was modified 1 month, 1 week ago by  support. Reason: formatting
    #26858

    support
    Keymaster

    Sorry, the latest ARM toolchain comes directly from ARM and we do not control the logic it uses for translating time.

    As a workaround, please try using a time conversion function from an external library, or try submitting a bugreport via ARM forums.

    #26954

    CrzyRndm
    Participant

    https://os.mbed.com/questions/80116/time_t-is-broken-with-2017-q4-releas-of-/

    time_t is now a 64 bit integer, a 32 bit pointer is not going to end well

    #26955

    support
    Keymaster

    Thanks for pointing this out!

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