[En-Nut-Discussion] NutGetMillis is a _very expensive_ function on Ethernut3

[Ole Reinhardt]

Hi!

> Can't you use one of the system timers and then calibrate it's results
> with cy22393 and get fast accurate enough time stamps? I didn't spot any
> time stamp counter on that ARM chip. I have seen those on other ARMs thou.

As a first solution I configured a fixed CPU frequency. Now NutGetMillis
does not request any more the CPU frequency. But time() for example
still does communicate with the rtc. This might be ok for the moment.

Regards,

Ole Reinhardt

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