sam0_eic.h

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/*
 * Copyright (c) 2019 Derek Hageman <hageman@inthat.cloud>
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
 
#ifndef ZEPHYR_DRIVERS_INTERRUPT_CONTROLLER_INTC_SAM0_EIC_H_
#define ZEPHYR_DRIVERS_INTERRUPT_CONTROLLER_INTC_SAM0_EIC_H_
 
#include <zephyr/types.h>
 
/* callback for EIC interrupt */
typedef void (*sam0_eic_callback_t)(uint32_t pins, void *data);
 
enum sam0_eic_trigger {
        /* Rising edge */
        SAM0_EIC_RISING,
        /* Falling edge */
        SAM0_EIC_FALLING,
        /* Both edges */
        SAM0_EIC_BOTH,
        /* High level detection */
        SAM0_EIC_HIGH,
        /* Low level detection */
        SAM0_EIC_LOW,
};
 
int sam0_eic_acquire(int port, int pin, enum sam0_eic_trigger trigger,
                     bool filter, sam0_eic_callback_t cb, void *data);
 
int sam0_eic_release(int port, int pin);
 
int sam0_eic_enable_interrupt(int port, int pin);
 
int sam0_eic_disable_interrupt(int port, int pin);
 
uint32_t sam0_eic_interrupt_pending(int port);
 
#endif /* ZEPHYR_DRIVERS_INTERRUPT_CONTROLLER_INTC_SAM0_EIC_H_ */