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cpu/nrf5x_common: properly calibrate RC-based low-frequency clock

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Mikolai Gütschow 2024-05-14 16:23:28 +02:00
parent bea466faf0
commit 6af809041b
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GPG Key ID: 943E2F37AA659AD5
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; clock_lf_running = true;
/* calibrate the RC LF clock if applicable */ /* 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->EVENTS_DONE = 0;
NRF_CLOCK->TASKS_CAL = 1; NRF_CLOCK->TASKS_CAL = 1;
while (NRF_CLOCK->EVENTS_DONE == 0) {} while (NRF_CLOCK->EVENTS_DONE == 0) {}
clock_hfxo_release();
#endif #endif
} }