39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
// Vectors 0-15 are for regular pins
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// Vectors 16-22 are for internal sources.
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//
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// Use the following constants for the internal sources:
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#define EXTI_PVD_OUTPUT (16)
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#define EXTI_RTC_ALARM (17)
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#define EXTI_USB_OTG_FS_WAKEUP (18)
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#define EXTI_ETH_WAKEUP (19)
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#define EXTI_USB_OTG_HS_WAKEUP (20)
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#define EXTI_RTC_TIMESTAMP (21)
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#define EXTI_RTC_WAKEUP (22)
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#define EXTI_NUM_VECTORS (23)
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#define EXTI_MODE_INTERRUPT (offsetof(EXTI_TypeDef, IMR))
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#define EXTI_MODE_EVENT (offsetof(EXTI_TypeDef, EMR))
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#define EXTI_TRIGGER_RISING (offsetof(EXTI_TypeDef, RTSR))
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#define EXTI_TRIGGER_FALLING (offsetof(EXTI_TypeDef, FTSR))
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#define EXTI_TRIGGER_RISING_FALLING (EXTI_TRIGGER_RISING + EXTI_TRIGGER_FALLING) // just different from RISING or FALLING
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void exti_init(void);
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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);
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void exti_enable(uint line);
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void exti_disable(uint line);
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void exti_swint(uint line);
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void Handle_EXTI_Irq(uint32_t line);
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typedef struct {
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mp_obj_t callback;
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void *param;
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} exti_t;
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extern const mp_obj_type_t exti_obj_type;
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