diff options
| -rw-r--r-- | ports/stm32/modmachine.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/ports/stm32/modmachine.c b/ports/stm32/modmachine.c index 7c8104b13..06c07812c 100644 --- a/ports/stm32/modmachine.c +++ b/ports/stm32/modmachine.c @@ -105,6 +105,12 @@ void machine_init(void) { reset_cause = PYB_RESET_DEEPSLEEP; PWR->CPUCR |= PWR_CPUCR_CSSF; } else + #elif defined(STM32L4) + if (PWR->SR1 & PWR_SR1_SBF) { + // came out of standby + reset_cause = PYB_RESET_DEEPSLEEP; + PWR->SCR |= PWR_SCR_CSBF; + } else #endif { // get reset cause from RCC flags |