intc_exti_stm32.h

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/*
 * Copyright (c) 2025 Alexander Kozhinov <ak.alexander.kozhinov@gmail.com>
 *
 * 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>
 
#ifdef __cplusplus
extern "C" {
#endif

typedef enum {
        /* No 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 and falling edge */
        STM32_EXTI_TRIG_BOTH = 0x3,
} stm32_exti_trigger_type;
typedef enum {…};

typedef enum {
        /* Generate interrupts only */
        STM32_EXTI_MODE_IT  = 0x0,
        /* Generate events only */
        STM32_EXTI_MODE_EVENT  = 0x1,
        /* Generate interrupts and events */
        STM32_EXTI_MODE_BOTH = 0x2,
        /* Disable interrupts and events */
        STM32_EXTI_MODE_NONE = 0x3,
} stm32_exti_mode;
typedef enum {…};

int stm32_exti_enable(uint32_t line_num, stm32_exti_trigger_type trigger,
                                          stm32_exti_mode mode);

int stm32_exti_disable(uint32_t line_num);

bool stm32_exti_is_pending(uint32_t line_num);

int stm32_exti_clear_pending(uint32_t line_num);

int stm32_exti_sw_interrupt(uint32_t line_num);
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_DRIVERS_INTERRUPT_CONTROLLER_INTC_EXTI_STM32_H_ */