rt-thread/bsp/fh8620/libraries/inc/fh_timer.h

/*
 *  This file is part of FH8620 BSP for RT-Thread distribution.
 *
 *	Copyright (c) 2016 Shanghai Fullhan Microelectronics Co., Ltd. 
 *	All rights reserved
 *
 *  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.
 *
 *	Visit http://www.fullhan.com to get contact with Fullhan.
 *
 * Change Logs:
 * Date           Author       Notes
 */

#ifndef FH_TIMER_H_
#define FH_TIMER_H_

 /****************************************************************************
 * #include section
 *	add #include here if any
 ***************************************************************************/
#include "fh_def.h"




 /****************************************************************************
 * #define section
 *	add constant #define here if any
 ***************************************************************************/
#define TIMER_CTRL_ENABLE   (1u << 0)
#define TIMER_CTRL_MODE     (1u << 1)
#define TIMER_CTRL_INTMASK  (1u << 2)
#define TIMER_CTRL_PWMEN    (1u << 3)



 /****************************************************************************
 * ADT section
 *	add Abstract Data Type definition here
 ***************************************************************************/
typedef struct {
	RwReg TIMER_LOAD_COUNT;
	RwReg TIMER_CURRENT_VALUE;
	RwReg TIMER_CTRL_REG;
	RwReg TIMER_EOI;
	RwReg TIMER_INT_STATUS;
}timer;

 enum timer_mode {
 	TIMER_MODE_PERIODIC = 0,
 	TIMER_MODE_ONESHOT = 1,
 };




/****************************************************************************
*  extern variable declaration section
***************************************************************************/

/****************************************************************************
*  section
*	add function prototype here if any
***************************************************************************/


int timer_init(timer *tim);

int timer_set_mode(timer *tim, enum timer_mode);

void timer_set_period(timer *tim, UINT32 period, UINT32 clock);

void timer_enable(timer *tim);

void timer_disable(timer *tim);

void timer_enable_irq(timer *tim);

void timer_disable_irq(timer *tim);

UINT32 timer_get_status(timer *tim);

void udelay(unsigned long usec);


#endif /* #ifndef _TIMER_ */