Ivan Grokhotkov 05a0fbd49b soc/rtc: add a function to wait for slow clock cycle ...

Some RTC features are synchronized to RTC_SLOW_CLK, so sometimes
software needs to wait for the next slow clock cycle.
This function implements waiting using Timer Group clock calibration
feature.

2017-10-26 19:53:53 +08:00

..

soc

soc/rtc: add a function to wait for slow clock cycle

2017-10-26 19:53:53 +08:00