periph_cpu.h

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/*
 * SPDX-FileCopyrightText: 2015 HAW Hamburg
 * SPDX-FileCopyrightText: 2016 Freie Universität Berlin
 * SPDX-FileCopyrightText: 2018 Matthew Blue
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once

 
#include "periph_cpu_common.h"
 
#ifdef __cplusplus
extern "C" {
#endif

#define PM_NUM_MODES            (5)
#define AVR8_PM_SLEEP_MODE_0    SLEEP_MODE_PWR_DOWN 
#define AVR8_PM_SLEEP_MODE_1    SLEEP_MODE_PWR_SAVE 
#define AVR8_PM_SLEEP_MODE_2    SLEEP_MODE_STANDBY  
#define AVR8_PM_SLEEP_MODE_3    SLEEP_MODE_ADC      

#define GPIO_PIN(x, y)          ((x << 4) | y)

enum {
    PORT_A = 0,       
    PORT_B = 1,       
    PORT_C = 2,       
    PORT_D = 3        
};

#define CPU_ATMEGA_EXT_INTS    { GPIO_PIN(PORT_D, 2), \
                                 GPIO_PIN(PORT_D, 3), \
                                 GPIO_PIN(PORT_B, 2) }

static inline uint8_t atmega_pin2exti(uint8_t port_num, uint8_t pin_num)
{
    if (port_num == PORT_B) {
        return 2;
    }
 
    return pin_num - 2;
}

static inline bool atmega_has_pin_exti(uint8_t port_num, uint8_t pin_num)
{
    switch (port_num) {
    default:
        return false;
    case PORT_D:
        return ((pin_num == 2) || (pin_num == 3));
    case PORT_B:
        return pin_num == 2;
    }
}

#define I2C_PORT_REG            PORTC
#define I2C_PIN_MASK            (1 << PORTC0) | (1 << PORTC1)

#define EEPROM_SIZE                (4096U)  /* 4kB */
 
#ifdef __cplusplus
}
#endif
 
#include "periph_conf.h"
#include "default_timer_config.h"