circuitpython/stmhal/exti.h

39 lines
1.2 KiB
C

// 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)
#define EXTI_MODE_INTERRUPT (offsetof(EXTI_TypeDef, IMR))
#define EXTI_MODE_EVENT (offsetof(EXTI_TypeDef, EMR))
#define EXTI_TRIGGER_RISING (offsetof(EXTI_TypeDef, RTSR))
#define EXTI_TRIGGER_FALLING (offsetof(EXTI_TypeDef, FTSR))
#define EXTI_TRIGGER_RISING_FALLING (EXTI_TRIGGER_RISING + EXTI_TRIGGER_FALLING) // just different from RISING or FALLING
void exti_init(void);
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);
void Handle_EXTI_Irq(uint32_t line);
typedef struct {
mp_obj_t callback;
void *param;
} exti_t;
extern const mp_obj_type_t exti_obj_type;