/* * Copyright (C) Josua Arndt, Steffen Robertz 2017 RWTH Aachen * * 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_atmega256rfr2 * @{ * * @file * @brief CPU specific definitions for internal peripheral handling * * @author Josua Arndt * @author Steffen Robertz */ #ifndef PERIPH_CPU_H #define PERIPH_CPU_H #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" #endif /* PERIPH_CPU_H */ /** @} */