atmega_gpio.h

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/*
 * SPDX-FileCopyrightText: 2015 HAW Hamburg
 * SPDX-FileCopyrightText: 2016 INRIA
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once

 
#include <stddef.h>
#include <stdio.h>
 
#include <avr/interrupt.h>
 
#include "cpu.h"
#include "board.h"
#include "periph/gpio.h"
#include "periph_conf.h"
#include "periph_cpu.h"
 
#ifdef __cplusplus
extern "C" {
#endif

static inline uint8_t atmega_pin_num(gpio_t pin)
{
    return (pin & 0x0f);
}

static inline uint8_t atmega_port_num(gpio_t pin)
{
    return (pin >> 4) & 0x0f;
}

static inline uint16_t atmega_pin_addr(gpio_t pin)
{
    return (uintptr_t)atmega_gpio_port(atmega_port_num(pin));
}

static inline uint16_t atmega_ddr_addr(gpio_t pin)
{
    return atmega_pin_addr(pin) + offsetof(atmega_gpio_port_t, ddr);
}

static inline uint16_t atmega_port_addr(gpio_t pin)
{
    return atmega_pin_addr(pin) + offsetof(atmega_gpio_port_t, port);
}
 
#ifdef __cplusplus
}
#endif