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04ab5a74f3
Co-authored-by: Gunar Schorcht <gunar@schorcht.net> Co-authored-by: Alexandre Abadie <alexandre.abadie@inria.fr>
106 lines
2.5 KiB
C
106 lines
2.5 KiB
C
/*
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* Copyright (C) 2015 HAW Hamburg
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* 2016 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup cpu_atmega2560
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* @{
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*
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* @file
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* @brief CPU specific definitions for internal peripheral handling
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*
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* @author René Herthel <rene-herthel@outlook.de>
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* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
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*/
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#ifndef PERIPH_CPU_H
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#define PERIPH_CPU_H
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#include "periph_cpu_common.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Available ports on the ATmega2560 family
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*/
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enum {
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PORT_A = 0, /**< port A */
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PORT_B = 1, /**< port B */
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PORT_C = 2, /**< port C */
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PORT_D = 3, /**< port D */
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PORT_E = 4, /**< port E */
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PORT_F = 5, /**< port F */
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PORT_G = 6, /**< port G */
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PORT_H = 7, /**< port H */
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PORT_J = 8, /**< port J */
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PORT_K = 9, /**< port K */
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PORT_L = 10 /**< port L */
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};
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/**
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* @brief Available external interrupt pins on the ATmega2560 family
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*
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* In order of their interrupt number.
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*/
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#define CPU_ATMEGA_EXT_INTS { GPIO_PIN(PORT_D, 0), \
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GPIO_PIN(PORT_D, 1), \
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GPIO_PIN(PORT_D, 2), \
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GPIO_PIN(PORT_D, 3), \
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GPIO_PIN(PORT_E, 4), \
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GPIO_PIN(PORT_E, 5), \
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GPIO_PIN(PORT_E, 6), \
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GPIO_PIN(PORT_E, 7) }
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/**
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* @brief Get the interrupt vector number of the given GPIO pin
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*/
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static inline uint8_t atmega_pin2exti(uint8_t port_num, uint8_t pin_num)
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{
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(void)port_num;
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return pin_num;
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}
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/**
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* @brief Check if the given pin can be used as external interrupt
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*/
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static inline bool atmega_has_pin_exti(uint8_t port_num, uint8_t pin_num)
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{
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if (pin_num < 4) {
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return port_num == PORT_D;
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}
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return port_num == PORT_E;
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}
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/**
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* @name Defines for the I2C interface
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* @{
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*/
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#define I2C_PORT_REG PORTD
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#define I2C_PIN_MASK (1 << PORTD0) | (1 << PORTD1)
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/** @} */
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/**
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* @name EEPROM configuration
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* @{
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*/
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#define EEPROM_SIZE (4096U) /* 4kB */
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/** @} */
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#ifdef __cplusplus
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}
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#endif
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#include "periph_conf.h"
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#include "default_timer_config.h"
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#endif /* PERIPH_CPU_H */
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/** @} */
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