#define AO_EXTI_MODE_RISING 1
#define AO_EXTI_MODE_FALLING 2
+#define AO_EXTI_MODE_PULL_NONE 0
#define AO_EXTI_MODE_PULL_UP 4
#define AO_EXTI_MODE_PULL_DOWN 8
#define AO_EXTI_PRIORITY_LOW 16
#define AO_EXTI_PIN_NOCONFIGURE 64
void
-ao_exti_setup(struct stm_gpio *gpio, uint8_t pin, uint8_t mode, void (*callback)());
+ao_exti_setup(struct stm_gpio *gpio, uint8_t pin, uint8_t mode, void (*callback)(void));
void
ao_exti_set_mode(struct stm_gpio *gpio, uint8_t pin, uint8_t mode);
void
-ao_exti_set_callback(struct stm_gpio *gpio, uint8_t pin, void (*callback)());
+ao_exti_set_callback(struct stm_gpio *gpio, uint8_t pin, void (*callback)(void));
void
ao_exti_enable(struct stm_gpio *gpio, uint8_t pin);