/*---------------------------------------------------------------------*/
/* --- STC MCU Limited ------------------------------------------------*/
/* --- STC 1T Series MCU Demo Programme -------------------------------*/
/* --- Mobile: (86)13922805190 ----------------------------------------*/
/* --- Fax: 86-0513-55012956,55012947,55012969 ------------------------*/
/* --- Tel: 86-0513-55012928,55012929,55012966 ------------------------*/
/* --- Web: www.STCMCU.com --------------------------------------------*/
/* --- Web: www.STCMCUDATA.com  ---------------------------------------*/
/* --- QQ:  800003751 -------------------------------------------------*/
/* 如果要在程序中使用此代码,请在程序中注明使用了STC的资料及程序            */
/*---------------------------------------------------------------------*/

#ifndef	__WDT_H
#define	__WDT_H

#include	"config.h"

#define D_WDT_FLAG			(1<<7)
#define D_EN_WDT			(1<<5)
#define D_CLR_WDT			(1<<4)	/* auto clear	*/
#define D_IDLE_WDT			(1<<3)	/* WDT counter when Idle	*/

#define WDT_IDLE_STOP		0
#define WDT_IDLE_RUN		1

#define WDT_SCALE_2			0		/* WDT Timeout=(12*32768*SCALE)/SYSclk */
#define WDT_SCALE_4			1
#define WDT_SCALE_8			2
#define WDT_SCALE_16		3
#define WDT_SCALE_32		4
#define WDT_SCALE_64		5
#define WDT_SCALE_128		6
#define WDT_SCALE_256		7

#define	WDT_PS_Set(n)	WDT_CONTR = (WDT_CONTR & ~0x07) | (n & 0x07)		/* 看门狗定时器时钟分频系数设置 */
#define	WDT_reset(n)	WDT_CONTR = D_EN_WDT + D_CLR_WDT + D_IDLE_WDT + (n)		/* 初始化WDT，喂狗 */

typedef struct
{
	u8	WDT_Enable;				//看门狗使能  	ENABLE,DISABLE
	u8	WDT_IDLE_Mode;		//IDLE模式停止计数		WDT_IDLE_STOP,WDT_IDLE_RUN
	u8	WDT_PS;						//看门狗定时器时钟分频系数		WDT_SCALE_2,WDT_SCALE_4,WDT_SCALE_8,WDT_SCALE_16,WDT_SCALE_32,WDT_SCALE_64,WDT_SCALE_128,WDT_SCALE_256
} WDT_InitTypeDef;

void WDT_Inilize(WDT_InitTypeDef *WDT);
void WDT_Clear (void);

#endif