diff options
Diffstat (limited to 'src/stmf0/ao_arch_funcs.h')
| -rw-r--r-- | src/stmf0/ao_arch_funcs.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/stmf0/ao_arch_funcs.h b/src/stmf0/ao_arch_funcs.h index a0c6e088..591ca8a0 100644 --- a/src/stmf0/ao_arch_funcs.h +++ b/src/stmf0/ao_arch_funcs.h @@ -458,6 +458,9 @@ static inline void ao_sleep_mode(void) { ao_arch_block_interrupts(); + /* Enable power interface clock */ + stm_rcc.apb1enr |= (1 << STM_RCC_APB1ENR_PWREN); + ao_arch_nop(); stm_scb.scr |= (1 << STM_SCB_SCR_SLEEPDEEP); ao_arch_nop(); stm_pwr.cr |= (1 << STM_PWR_CR_PDDS) | (1 << STM_PWR_CR_LPDS); |