include/regs/xmega_port.h File Reference

XMEGA I/O Ports Register Interface. More...

#include <chip/memory-map.h>
#include <io.h>

Go to the source code of this file.

Defines
Register Offsets
#define	PORT_DIR   0x00
	Data Direction.
#define	PORT_DIRSET   0x01
	Data Direction Set.
#define	PORT_DIRCLR   0x02
	Data Direction Clear.
#define	PORT_DIRTGL   0x03
	Data Direction Toggle.
#define	PORT_OUT   0x04
	Data Output Value.
#define	PORT_OUTSET   0x05
	Data Output Value Set.
#define	PORT_OUTCLR   0x06
	Data Output Value Clear.
#define	PORT_OUTTGL   0x07
	Data Output Value Toggle.
#define	PORT_IN   0x08
	Data Input Value.
#define	PORT_INTCTRL   0x09
	Interrupt Control.
#define	PORT_INT0MASK   0x0A
	Interrupt 0 Mask.
#define	PORT_INT1MASK   0x0B
	Interrupt 1 Mask.
#define	PORT_INTFLAGS   0x0C
	Interrupt Flags.
#define	PORT_PIN0CTRL   0x10
	Pin 0 Configuration.
#define	PORT_PIN1CTRL   0x11
	Pin 1 Configuration.
#define	PORT_PIN2CTRL   0x12
	Pin 2 Configuration.
#define	PORT_PIN3CTRL   0x13
	Pin 3 Configuration.
#define	PORT_PIN4CTRL   0x14
	Pin 4 Configuration.
#define	PORT_PIN5CTRL   0x15
	Pin 5 Configuration.
#define	PORT_PIN6CTRL   0x16
	Pin 6 Configuration.
#define	PORT_PIN7CTRL   0x17
	Pin 7 Configuration.
Bitfields in INTCTRL
#define	PORT_INTCTRL_INT0LVL_START   0
	Interrupt 0 Level.
#define	PORT_INTCTRL_INT0LVL_SIZE   2
	Interrupt 0 Level.
#define	PORT_INTCTRL_INT1LVL_START   2
	Interrupt 1 Level.
#define	PORT_INTCTRL_INT1LVL_SIZE   2
	Interrupt 1 Level.
Bitfields in INTFLAGS
#define	PORT_INTFLAGS_INT0IF_BIT   0
	Interrupt 0 Flag.
#define	PORT_INTFLAGS_INT1IF_BIT   1
	Interrupt 1 Flag.
Bitfields in PINCTRL
#define	PORT_PINCTRL_ISC_START   0
	Input/Sense Configuration.
#define	PORT_PINCTRL_ISC_SIZE   3
	Input/Sense Configuration.
#define	PORT_PINCTRL_OPC_START   3
	Output and Pull Configuration.
#define	PORT_PINCTRL_OPC_SIZE   3
	Output and Pull Configuration.
#define	PORT_PINCTRL_INVEN_BIT   6
	Inverted I/O Enable.
#define	PORT_PINCTRL_SRLEN_BIT   7
	Slew Rate Limit Enable.
PINCTRL_OPC Bitfield Values
#define	PORT_PINCTRL_TOTEM   0x0
	Totempole/(N/A).
#define	PORT_PINCTRL_BUSKEEPER   0x1
	Totempole/Bus keeper.
#define	PORT_PINCTRL_PULLDOWN   0x2
	Totempole/Pull-down (on input).
#define	PORT_PINCTRL_PULLUP   0x3
	Totempole/Pull-up (on input).
#define	PORT_PINCTRL_WIREDOR   0x4
	Wired OR/(N/A).
#define	PORT_PINCTRL_WIREDAND   0x5
	Wired AND/(N/A).
#define	PORT_PINCTRL_WIREDORPULL   0x6
	Wired OR/Pull-down.
#define	PORT_PINCTRL_WIREDANDPULL   0x7
	Wired AND/Pull-up.
PINCTRL_ISC Bitfield Values
#define	PORT_PINCTRL_ISC_BOTHEDGES   0x0
	Sense Both Edges.
#define	PORT_PINCTRL_ISC_RISING   0x1
	Sense Rising Edge.
#define	PORT_PINCTRL_ISC_FALLING   0x2
	Sense Falling Edge.
#define	PORT_PINCTRL_ISC_LEVEL   0x3
	Sense Low Level.
#define	PORT_PINCTRL_ISC_INPUT_DISABLE   0x7
	Input Buffer Disabled.
Bit manipulation macros
#define	PORT_BIT(name)   (1U << PORT_##name##_BIT)
	Create a mask with bit name set.
#define	PORT_BF(name, value)   ((value) << PORT_##name##_START)
	Create a mask with bitfield name set to value.
#define	PORT_BFMASK(name)   (((1U << %s_##name##_SIZE) - 1) << %s_##name##_START)
	Create a mask of the bitfield name.
#define	PORT_BFEXT(name, regval)
	Extract the value of bitfield name from regval.
#define	PORT_BFINS(name, value, regval)
	Return regval with bitfield name set to value.
Register access macros
#define	port_read_reg(base, reg)   mmio_read8((void *)((uintptr_t)(base) + PORT_##reg))
	Read the value of PORT register reg.
#define	port_write_reg(base, reg, value)   mmio_write8((void *)((uintptr_t)(base) + PORT_##reg), (value))
	Write value to PORT register reg.

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Detailed Description

XMEGA I/O Ports Register Interface.

Copyright (C) 2009 Atmel Corporation. All rights reserved.

Definition in file xmega_port.h.