rt-thread-official/bsp/at91sam9260/platform/at91_pit.h

/*
 * File      : at91_pit.h
 * This file is part of RT-Thread RTOS
 * COPYRIGHT (C) 2006, RT-Thread Develop Team
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Change Logs:
 * Date           Author       Notes
 * 2011-01-13     weety      first version
 */

#ifndef AT91_PIT_H
#define AT91_PIT_H

#ifdef __cplusplus
extern "C" {
#endif

#define AT91_PIT_MR		(AT91_PIT + 0x00)	/* Mode Register */
#define		AT91_PIT_PITIEN		(1 << 25)		/* Timer Interrupt Enable */
#define		AT91_PIT_PITEN		(1 << 24)		/* Timer Enabled */
#define		AT91_PIT_PIV		(0xfffff)		/* Periodic Interval Value */

#define AT91_PIT_SR		(AT91_PIT + 0x04)	/* Status Register */
#define		AT91_PIT_PITS		(1 << 0)		/* Timer Status */

#define AT91_PIT_PIVR		(AT91_PIT + 0x08)	/* Periodic Interval Value Register */
#define AT91_PIT_PIIR		(AT91_PIT + 0x0c)	/* Periodic Interval Image Register */
#define		AT91_PIT_PICNT		(0xfff << 20)		/* Interval Counter */
#define		AT91_PIT_CPIV		(0xfffff)		/* Inverval Value */

#ifdef __cplusplus
}
#endif

#endif