at91_pit.h File Reference

#include <cfg/compiler.h>

Go to the source code of this file.

Defines
#define	PIT_MR_OFF   0x00000000
	Periodic Inverval Timer Mode Register.
#define	PIT_MR   (*((reg32_t *)(PIT_BASE + PIT_MR_OFF)))
	Mode register address.
#define	PIV_MASK   0x000FFFFF
	Periodic interval value mask.
#define	PIV_SHIFT   0
	Periodic interval value shift.
#define	PITEN   24
	Periodic interval timer enable.
#define	PITIEN   25
	Periodic interval timer interrupt enable.
#define	PIT_SR_OFF   0x00000004
	Periodic Inverval Timer Status Register.
#define	PIT_SR   (*((reg32_t *)(PIT_BASE + PIT_SR_OFF)))
	Status register address.
#define	PITS   0
	Timer has reached PIV.
#define	PIVR_OFF   0x00000008
	Periodic Inverval Timer Value and Image Registers.
#define	PIVR   (*((reg32_t *)(PIT_BASE + PIVR_OFF)))
	Value register address.
#define	PIIR_OFF   0x0000000C
	Image register offset.
#define	PIIR   (*((reg32_t *)(PIT_BASE + PIIR_OFF)))
	Image register address.
#define	CPIV_MASK   0x000FFFFF
	Current periodic interval value mask.
#define	CPIV_SHIFT   0
	Current periodic interval value SHIFT.
#define	PICNT_MASK   0xFFF00000
	Periodic interval counter mask.
#define	PICNT_SHIFT   20
	Periodic interval counter LSB.

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Detailed Description

Version:

Id

at91_pit.h 899 2007-10-18 11:07:03Z batt

Author:

Francesco Sacchi <batt@develer.com>

AT91 periodic interval timer. This file is based on NUT/OS implementation. See license below.

Definition in file at91_pit.h.

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Define Documentation

#define PIT_MR_OFF   0x00000000

Periodic Inverval Timer Mode Register.

Mode register offset.

Definition at line 81 of file at91_pit.h.

#define PIT_SR_OFF   0x00000004

Periodic Inverval Timer Status Register.

Status register offset.

Definition at line 94 of file at91_pit.h.

#define PIVR_OFF   0x00000008

Periodic Inverval Timer Value and Image Registers.

Value register offset.

Definition at line 104 of file at91_pit.h.