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:

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.

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

◆ AVR8_PM_SLEEP_MODE_0

#define AVR8_PM_SLEEP_MODE_0 SLEEP_MODE_PWR_DOWN

Power Down.

Definition at line 37 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 38 of file periph_cpu.h.

◆ AVR8_PM_SLEEP_MODE_2

#define AVR8_PM_SLEEP_MODE_2 SLEEP_MODE_STANDBY

Standby.

Definition at line 39 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 40 of file periph_cpu.h.

◆ CPU_ATMEGA_EXT_INTS

#define CPU_ATMEGA_EXT_INTS

Value:

{ GPIO_PIN(PORT_D, 2), \

GPIO_PIN(PORT_D, 3) }

PORT_D

@ PORT_D

port D

Definition periph_cpu.h:50

GPIO_PIN

#define GPIO_PIN(x, y)

Define a CPU specific GPIO pin generator macro.

Definition periph_cpu.h:46

Available external interrupt pins on the ATmega8 family.

In order of their interrupt number.

Definition at line 62 of file periph_cpu.h.

◆ EEPROM_SIZE

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

Definition at line 98 of file periph_cpu.h.

◆ GPIO_PIN

#define GPIO_PIN	(	x,
		y
	)	((x << 4) \| y)

Define a CPU specific GPIO pin generator macro.

Definition at line 46 of file periph_cpu.h.

◆ I2C_PIN_MASK

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

Definition at line 91 of file periph_cpu.h.

◆ I2C_PORT_REG

#define I2C_PORT_REG PORTC

Definition at line 90 of file periph_cpu.h.

◆ PM_NUM_MODES

#define PM_NUM_MODES (5)

Definition at line 36 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 51 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 77 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 68 of file periph_cpu.h.