wdt_drv.h

ATMEL公司AT89C51SND1为主控制器MP3源代码

/*H**************************************************************************
* NAME:         wdt_drv.h
*----------------------------------------------------------------------------
* Copyright (c) 2003 Atmel.
*----------------------------------------------------------------------------
* RELEASE:      snd1c-refd-nf-4_0_3
* REVISION:     1.1
*----------------------------------------------------------------------------
* PURPOSE:
* This file contains the Watchdog Timer driver definition
*****************************************************************************/

#ifndef _WDT_DRV_H_
#define _WDT_DRV_H_

/*_____ I N C L U D E S ____________________________________________________*/


/*_____ M A C R O S ________________________________________________________*/


/*_____ D E F I N I T I O N ________________________________________________*/


/*_____ D E C L A R A T I O N ______________________________________________*/

#define Wdt_enable(b)         (WDTPRG = (b & MSK_WTO)); (WDTRST = 0x1E); (WDTRST = 0xE1)
#define Wdt_refresh()         (WDTRST = 0x1E); (WDTRST = 0xE1)



#endif  /* _WDT_DRV_H_ */