periph_cpu.h File Reference

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

Detailed Description

CPU specific definitions for internal peripheral handling.

Author

René Herthel rene-.nosp@m.hert.nosp@m.hel@o.nosp@m.utlo.nosp@m.ok.de

Hauke Petersen hauke.nosp@m..pet.nosp@m.ersen.nosp@m.@fu-.nosp@m.berli.nosp@m.n.de

Hugues Larrive hugue.nosp@m.s.la.nosp@m.rrive.nosp@m.@pm..nosp@m.me

Definition in file periph_cpu.h.

#include "periph_cpu_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	GPIO_PIN(x, y)   ((x << 4) | y)
	Define a CPU specific GPIO pin generator macro.
#define	CPU_ATMEGA_EXT_INTS
	Available external interrupt pins on the ATmega8 family. More...

Enumerations
enum	{ PORT_B = 1 , PORT_C = 2 , PORT_D = 3 }
	Available ports on the ATmega8 family. More...

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   PORTC
#define	I2C_PIN_MASK   (1 << PORTC4) | (1 << PORTC5)

EEPROM configuration
#define	EEPROM_SIZE   (512U) /* 512B */

Macro Definition Documentation

CPU_ATMEGA_EXT_INTS

#define CPU_ATMEGA_EXT_INTS

Value:

                                 { GPIO_PIN(PORT_D, 2), \
                                 GPIO_PIN(PORT_D, 3) }

Available external interrupt pins on the ATmega8 family.

In order of their interrupt number.

Definition at line 58 of file periph_cpu.h.

Enumeration Type Documentation

anonymous enum

anonymous enum

Available ports on the ATmega8 family.

Enumerator
PORT_B	port B
PORT_C	port C
PORT_D	port D

Definition at line 47 of file periph_cpu.h.