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wait for RTC SYNCBUSY in watch_register_extwake_callback

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Joseph Bryant 2024-08-30 07:23:28 +01:00 committed by Matheus Afonso Martins Moreira
parent 20b4a32835
commit cae5d8a33f
1 changed files with 1 additions and 0 deletions
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watch-library/hardware/watch/watch_deepsleep.c
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@ -77,6 +77,7 @@ void watch_register_extwake_callback(uint8_t pin, ext_irq_cb_t callback, bool le
RTC->MODE2.TAMPCTRL.reg = config; RTC->MODE2.TAMPCTRL.reg = config;
// re-enable the RTC // re-enable the RTC
RTC->MODE2.CTRLA.bit.ENABLE = 1; RTC->MODE2.CTRLA.bit.ENABLE = 1;
while (RTC->MODE2.SYNCBUSY.bit.ENABLE); // wait for RTC to be enabled
NVIC_ClearPendingIRQ(RTC_IRQn); NVIC_ClearPendingIRQ(RTC_IRQn);
NVIC_EnableIRQ(RTC_IRQn); NVIC_EnableIRQ(RTC_IRQn);