diff options
Diffstat (limited to 'stmhal/usrsw.c')
| -rw-r--r-- | stmhal/usrsw.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/stmhal/usrsw.c b/stmhal/usrsw.c index 69a03b2cc3..60032c4ecb 100644 --- a/stmhal/usrsw.c +++ b/stmhal/usrsw.c @@ -39,6 +39,17 @@ static mp_obj_t switch_callback(mp_obj_t line) { } static MP_DEFINE_CONST_FUN_OBJ_1(switch_callback_obj, switch_callback); +// this function inits the switch GPIO so that it can be used +void switch_init0(void) { + GPIO_InitTypeDef init; + init.Pin = USRSW_PIN.pin_mask; + init.Mode = GPIO_MODE_INPUT; + init.Pull = USRSW_PULL; + init.Speed = GPIO_SPEED_FAST; + HAL_GPIO_Init(USRSW_PIN.gpio, &init); +} + +// this function inits the callback and EXTI function of the switch void switch_init(void) { switch_user_callback_obj = mp_const_none; exti_register((mp_obj_t)&USRSW_PIN, |