diff options
| author | roland <roland@van-straten.org> | 2018-12-27 18:04:00 +0100 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2018-12-30 01:11:25 +1100 |
| commit | 4d8504425a1b43a9b90a9a3b7a596e919b8cdb67 (patch) | |
| tree | 61403fdfc8d13b8d47daa915ada32b2e43a63282 | |
| parent | f334816df0b20f1d77973ebd98342c681b1b8bf5 (diff) | |
stm32/modmachine: Fix reset_cause to correctly give DEEPSLEEP on L4 MCU.
Before this fix it returned SOFT_RESET after waking from a deepsleep
(standby).
| -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 |