1
0
mirror of https://github.com/RIOT-OS/RIOT.git synced 2025-12-15 01:23:49 +01:00
RIOT/cpu/atmega256rfr2/include/periph_cpu.h
2025-09-09 18:44:43 +02:00

108 lines
2.5 KiB
C

/*
* SPDX-FileCopyrightText: 2017 Josua Arndt, Steffen Robertz, RWTH Aachen
* SPDX-License-Identifier: LGPL-2.1-only
*/
#pragma once
/**
* @ingroup cpu_atmega256rfr2
* @{
*
* @file
* @brief CPU specific definitions for internal peripheral handling
*
* @author Josua Arndt <jarndt@ias.rwth-aachen.de>
* @author Steffen Robertz <steffen.robertz@rwth-aachen.de>
*/
#include "periph_cpu_common.h"
#include "atmega_regs_common.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @name Power management configuration
* @{
*/
#define PM_NUM_MODES (5)
#define AVR8_PM_SLEEP_MODE_0 SLEEP_MODE_PWR_DOWN /**< Power Down */
#define AVR8_PM_SLEEP_MODE_1 SLEEP_MODE_PWR_SAVE /**< Power Save */
#define AVR8_PM_SLEEP_MODE_2 SLEEP_MODE_STANDBY /**< Standby */
#define AVR8_PM_SLEEP_MODE_3 SLEEP_MODE_ADC /**< Sleep ADC low noise */
/** @} */
/**
* @name Available ports on the ATmega256rfr family
* @{
*/
enum {
PORT_B = 1, /**< port B */
PORT_D = 3, /**< port D */
PORT_E = 4, /**< port E */
PORT_F = 5, /**< port F */
PORT_G = 6, /**< port G */
};
/** @} */
/**
* @brief Available external interrupt pins on the ATmega256rfr family
*
* In order of their interrupt number.
*/
#define CPU_ATMEGA_EXT_INTS { GPIO_PIN(PORT_D, 0), \
GPIO_PIN(PORT_D, 1), \
GPIO_PIN(PORT_D, 2), \
GPIO_PIN(PORT_D, 3), \
GPIO_PIN(PORT_E, 4), \
GPIO_PIN(PORT_E, 5), \
GPIO_PIN(PORT_E, 6), \
GPIO_PIN(PORT_E, 7) }
/**
* @brief Get the interrupt vector number of the given GPIO pin
*/
static inline uint8_t atmega_pin2exti(uint8_t port_num, uint8_t pin_num)
{
(void)port_num;
return pin_num;
}
/**
* @brief Check if the given pin can be used as external interrupt
*/
static inline bool atmega_has_pin_exti(uint8_t port_num, uint8_t pin_num)
{
if (pin_num < 4) {
return port_num == PORT_D;
}
return port_num == PORT_E;
}
/**
* @name Defines for the I2C interface
* @{
*/
#define I2C_PORT_REG PORTD
#define I2C_PIN_MASK (1 << PORTD1) | (1 << PORTD0)
/** @} */
/**
* @name EEPROM configuration
* @{
*/
#define EEPROM_SIZE (8192U) /* 8kB */
/** @} */
#ifdef __cplusplus
}
#endif
#include "periph_conf.h"
#include "default_timer_config.h"
/** @} */