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ports/stm32/powerctrl.c Enable user EWUP control #6494

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ports/stm32/powerctrl.c Enable user EWUP control #6494

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4 changes: 4 additions & 0 deletions ports/stm32/powerctrl.c
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Original file line number Diff line number Diff line change
Expand Up @@ -629,10 +629,14 @@ void powerctrl_enter_standby_mode(void) {
RTC->ISR &= ~ISR_BITS;

#if defined(STM32F7)
// Save user EWUP state
uint32_t csr2_ewup = PWR->CSR2 & (PWR_CSR2_EWUP6 | PWR_CSR2_EWUP5 | PWR_CSR2_EWUP4 | PWR_CSR2_EWUP3 | PWR_CSR2_EWUP2 | PWR_CSR2_EWUP1);
// disable wake-up flags
PWR->CSR2 &= ~(PWR_CSR2_EWUP6 | PWR_CSR2_EWUP5 | PWR_CSR2_EWUP4 | PWR_CSR2_EWUP3 | PWR_CSR2_EWUP2 | PWR_CSR2_EWUP1);
// clear global wake-up flag
PWR->CR2 |= PWR_CR2_CWUPF6 | PWR_CR2_CWUPF5 | PWR_CR2_CWUPF4 | PWR_CR2_CWUPF3 | PWR_CR2_CWUPF2 | PWR_CR2_CWUPF1;
// Restore state
PWR->CSR2 |= csr2_ewup;
#elif defined(STM32H7)
// TODO
#elif defined(STM32L4) || defined(STM32WB)
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