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Original question:

CCS/CC2650: To read RTC milliseconds data from Seconds_getTime(Seconds_Time *ts); unable to create Seconds_Time variable...

CC2650: Does the "Seconds.h" module use hardware RTC?

093
Prodigy 110 points

Part Number: CC2650
Other Parts Discussed in Thread: SYSBIOS


Hi! I want to get time in unixtime format using hardware RTC.

The processor will be in Standby mode most of the time.

Does the Seconds.h module use hardware RTCs or is it only in active mode?

  • 0
    TI__Guru**** 317180 points

    That is my understanding. See the seconds.xdc and seconds.c under C:\ti\tirtos_cc13xx_cc26xx_2_21_00_06\products\bios_6_46_01_37\packages\ti\sysbios\family\arm\cc26xx

  • 0 in reply to TER
    Prodigy 110 points

    Yes, it use RTC

    UInt32 Seconds_get(Void)
    {
    volatile UInt32 curSeconds;
    UInt key;

    key = Hwi_disable();

    curSeconds = AONRTCSecGet();

    curSeconds = (curSeconds - Seconds_module->refSeconds) +
    Seconds_module->setSeconds;

    Hwi_restore(key);

    return (curSeconds);
    }