circuitpython/stm/exti.h

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// Vectors 0-15 are for regular pins
// Vectors 16-22 are for internal sources.
//
// Use the following constants for the internal sources:
#define EXTI_PVD_OUTPUT (16)
#define EXTI_RTC_ALARM (17)
#define EXTI_USB_OTG_FS_WAKEUP (18)
#define EXTI_ETH_WAKEUP (19)
#define EXTI_USB_OTG_HS_WAKEUP (20)
#define EXTI_RTC_TIMESTAMP (21)
#define EXTI_RTC_WAKEUP (22)
#define EXTI_NUM_VECTORS 23
void exti_init_early(void);
void exti_init(mp_obj_t mod);
uint exti_register(mp_obj_t pin_obj, mp_obj_t mode_obj, mp_obj_t trigger_obj, mp_obj_t callback_obj, void *param);
void exti_enable(uint line);
void exti_disable(uint line);
void exti_swint(uint line);
typedef struct {
mp_obj_t callback;
void *param;
} exti_t;