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Merge pull request #20669 from mguetschow/nrf52-lfclk_rc-calibrate

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cpu/nrf5x_common: properly calibrate RC-based low-frequency clock
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Marian Buschsieweke 2024-05-14 15:41:19 +00:00 committed by GitHub
commit 28beaddfc2
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1 changed files with 3 additions and 1 deletions
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cpu/nrf5x_common/clock.c
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@ -103,10 +103,12 @@ void clock_start_lf(void)
clock_lf_running = true;
/* calibrate the RC LF clock if applicable */
#if (CLOCK_HFCLK && (CLOCK_LFCLK == 0))
#if (CLOCK_LFCLK == CLOCK_LFCLKSRC_SRC_RC)
clock_hfxo_request();
NRF_CLOCK->EVENTS_DONE = 0;
NRF_CLOCK->TASKS_CAL = 1;
while (NRF_CLOCK->EVENTS_DONE == 0) {}
clock_hfxo_release();
#endif
}