Hi all,

 

The testing conditions are: nuttx 2.12 runs on NUCLEO-U5A5ZJ-Q board. I have
high accurate external RTC connected to one of i2c busses.

When system runs for a long time - 2-3 days or more the time returned by
date command is not accurate. When I reboot the system the system time
become accurate (this is normal it is adjusted with RTC in boot process).

So, the question is: What is right way to keep system time in sync with
external RTC? 

 

Best regards

 

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