eic.h

 
/*
 * MIT License
 *
 * Copyright (c) 2022 Joey Castillo
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
 
#pragma once
 
#include <stdint.h>
#include <stdbool.h>
 
typedef enum eic_interrupt_trigger_t {
    INTERRUPT_TRIGGER_NONE = 0,
    INTERRUPT_TRIGGER_RISING,
    INTERRUPT_TRIGGER_FALLING,
    INTERRUPT_TRIGGER_BOTH,
} eic_interrupt_trigger_t;
 
typedef void (*eic_cb_t)(uint8_t channel);
 
void eic_init(void);
 
void eic_enable(void);
 
int8_t eic_configure_pin(const uint8_t pin, eic_interrupt_trigger_t trigger);
 
bool eic_enable_interrupt(const uint8_t pin);
 
bool eic_disable_interrupt(const uint8_t pin);
 
bool eic_enable_event(const uint8_t pin);
 
bool eic_disable_event(const uint8_t pin);
 
void eic_configure_callback(eic_cb_t callback);
 
void eic_disable(void);