periph_cpu.h
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/*
* Copyright (C) 2015 HAW Hamburg
* 2016 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup cpu_atmega328p
* @{
*
* @file
* @brief CPU specific definitions for internal peripheral handling
*
* @author René Herthel <rene-herthel@outlook.de>
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
*/
#ifndef PERIPH_CPU_H
#define PERIPH_CPU_H
#include "periph_cpu_common.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Define a CPU specific GPIO pin generator macro
*/
#define GPIO_PIN(x, y) ((x << 4) | y)
/**
* @brief Available ports on the ATmega328p family
*/
enum {
PORT_B = 1, /**< port B */
PORT_C = 2, /**< port C */
PORT_D = 3 /**< port D */
};
/**
* @name Defines for the I2C interface
* @{
*/
#define I2C_PORT_REG PORTC
#define I2C_PIN_MASK (1 << PORTC4) | (1 << PORTC5)
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* PERIPH_CPU_H */
/** @} */