diff options
| -rw-r--r-- | stmhal/Makefile | 1 | ||||
| -rw-r--r-- | stmhal/modpyb.c | 3 |
2 files changed, 4 insertions, 0 deletions
diff --git a/stmhal/Makefile b/stmhal/Makefile index 46125d10b5..e9235a7444 100644 --- a/stmhal/Makefile +++ b/stmhal/Makefile @@ -168,6 +168,7 @@ SRC_HAL = $(addprefix $(HAL_DIR)/src/,\ stm32f4xx_hal_pcd.c \ stm32f4xx_hal_pcd_ex.c \ stm32f4xx_hal_pwr.c \ + stm32f4xx_hal_pwr_ex.c \ stm32f4xx_hal_rcc.c \ stm32f4xx_hal_rcc_ex.c \ stm32f4xx_hal_rng.c \ diff --git a/stmhal/modpyb.c b/stmhal/modpyb.c index c71d3e77e2..2e4642fad9 100644 --- a/stmhal/modpyb.c +++ b/stmhal/modpyb.c @@ -425,6 +425,9 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_udelay_obj, pyb_udelay); /// \function stop() STATIC mp_obj_t pyb_stop(void) { + // takes longer to wake but reduces stop current + HAL_PWREx_EnableFlashPowerDown(); + HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI); // reconfigure the system clock after waking up |