CPU specific definitions for internal peripheral handling. More...

Detailed Description

CPU specific definitions for internal peripheral handling.

Author: Josua Arndt jarnd.nosp@m.t@ia.nosp@m.s.rwt.nosp@m.h-aa.nosp@m.chen..nosp@m.de; Steffen Robertz steff.nosp@m.en.r.nosp@m.obert.nosp@m.z@rw.nosp@m.th-aa.nosp@m.chen.nosp@m..de

Definition in file periph_cpu.h.

#include "periph_cpu_common.h"
#include "atmega_regs_common.h"
#include "periph_conf.h"
#include "default_timer_config.h"

Include dependency graph for periph_cpu.h:

Go to the source code of this file.

Macros
#define	CPU_ATMEGA_EXT_INTS
	Available external interrupt pins on the ATmega256rfr family.

Functions
static uint8_t	atmega_pin2exti (uint8_t port_num, uint8_t pin_num)
	Get the interrupt vector number of the given GPIO pin.

static bool	atmega_has_pin_exti (uint8_t port_num, uint8_t pin_num)
	Check if the given pin can be used as external interrupt.

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.

Defines for the I2C interface
#define	I2C_PORT_REG PORTD

#define	I2C_PIN_MASK (1 << PORTD1) \| (1 << PORTD0)

EEPROM configuration
#define	EEPROM_SIZE (8192U) /* 8kB */

Available ports on the ATmega256rfr family
enum	{ PORT_B = 1 , PORT_D = 3 , PORT_E = 4 , PORT_F = 5 , PORT_G = 6 }

Macro Definition Documentation

◆ AVR8_PM_SLEEP_MODE_0

#define AVR8_PM_SLEEP_MODE_0 SLEEP_MODE_PWR_DOWN

Power Down.

Definition at line 35 of file periph_cpu.h.

◆ AVR8_PM_SLEEP_MODE_1

#define AVR8_PM_SLEEP_MODE_1 SLEEP_MODE_PWR_SAVE

Power Save.

Definition at line 36 of file periph_cpu.h.

◆ AVR8_PM_SLEEP_MODE_2

#define AVR8_PM_SLEEP_MODE_2 SLEEP_MODE_STANDBY

Standby.

Definition at line 37 of file periph_cpu.h.

◆ AVR8_PM_SLEEP_MODE_3

#define AVR8_PM_SLEEP_MODE_3 SLEEP_MODE_ADC

Sleep ADC low noise.

Definition at line 38 of file periph_cpu.h.

◆ CPU_ATMEGA_EXT_INTS

#define CPU_ATMEGA_EXT_INTS

Value:

                                 { 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) }

Available external interrupt pins on the ATmega256rfr family.

In order of their interrupt number.

Definition at line 59 of file periph_cpu.h.

◆ EEPROM_SIZE

#define EEPROM_SIZE (8192U) /* 8kB */

Definition at line 101 of file periph_cpu.h.

◆ I2C_PIN_MASK

#define I2C_PIN_MASK (1 << PORTD1) | (1 << PORTD0)

Definition at line 94 of file periph_cpu.h.

◆ I2C_PORT_REG

#define I2C_PORT_REG PORTD

Definition at line 93 of file periph_cpu.h.

◆ PM_NUM_MODES

#define PM_NUM_MODES (5)

Definition at line 34 of file periph_cpu.h.

Enumeration Type Documentation

◆ anonymous enum

anonymous enum

Enumerator
PORT_B	port B
PORT_D	port D
PORT_E	port E
PORT_F	port F
PORT_G	port G

Definition at line 45 of file periph_cpu.h.

Function Documentation

◆ atmega_has_pin_exti()

static bool atmega_has_pin_exti	(	uint8_t	port_num,
		uint8_t	pin_num
	)

inlinestatic

Check if the given pin can be used as external interrupt.

Definition at line 80 of file periph_cpu.h.

◆ atmega_pin2exti()

static uint8_t atmega_pin2exti	(	uint8_t	port_num,
		uint8_t	pin_num
	)

inlinestatic

Get the interrupt vector number of the given GPIO pin.

Definition at line 71 of file periph_cpu.h.