exti_stm32.h

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/*
 * Copyright (c) 2016 Open-RnD Sp. z o.o.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_DRIVERS_INTERRUPT_CONTROLLER_INTC_EXTI_STM32_H_
#define ZEPHYR_DRIVERS_INTERRUPT_CONTROLLER_INTC_EXTI_STM32_H_
 
#include <zephyr/types.h>
 
#define STM32_EXTI_LINE_NONE 0xFFFFFFFFU
 
void stm32_exti_enable(int line);
 
void stm32_exti_disable(int line);
 
enum stm32_exti_trigger {
 /* clear trigger */
 STM32_EXTI_TRIG_NONE = 0x0,
 /* trigger on rising edge */
 STM32_EXTI_TRIG_RISING = 0x1,
 /* trigger on falling edge */
 STM32_EXTI_TRIG_FALLING = 0x2,
 /* trigger on both rising & falling edge */
 STM32_EXTI_TRIG_BOTH = 0x3,
};
 
void stm32_exti_trigger(int line, int trg);
 
/* callback for exti interrupt */
typedef void (*stm32_exti_callback_t) (int line, void *user);
 
int stm32_exti_set_callback(int line, stm32_exti_callback_t cb, void *data);
 
void stm32_exti_unset_callback(int line);
 
#endif /* ZEPHYR_DRIVERS_INTERRUPT_CONTROLLER_INTC_EXTI_STM32_H_ */