hard.h

51系列单片机AT89c51snd1 demof-2

/*H**************************************************************************
* $RCSfile: hard.h,v $
*----------------------------------------------------------------------------
* Copyright (c) 2002 Atmel.
*----------------------------------------------------------------------------
* RELEASE:      $Name: DEMO_FAT_2_0_0 $      
* REVISION:     $Revision: 1.6 $     
* FILE_CVSID:   $Id: hard.h,v 1.6 2002/11/08 08:38:07 ffosse Exp $       
*----------------------------------------------------------------------------
* PURPOSE:
* This file contains the low-level memory definition
*****************************************************************************/

#ifndef _HARD_H_
#define _HARD_H_

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

#include "lib_mem\df\df.h"                  /* dataflash definition */
#include "lib_mem\mmc\mmc.h"                /* mmc definition */


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

/*----- Memory type -----*/
#define MEM_CHIP        ((bit)0)            /* on-board memory */
#define MEM_CARD        ((bit)1)            /* memory card */


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

extern  bdata bit     gl_memory;            /* selected memory */


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

#define Hard_read_byte()                ((gl_memory == MEM_CHIP) ? df_read_byte() : mmc_read_byte())
#define Hard_read_open(pos)             ((gl_memory == MEM_CHIP) ? df_read_open(pos) : mmc_read_open(pos))
#define Hard_read_close()               ((gl_memory == MEM_CHIP) ? df_read_close() : mmc_read_close())
#define Hard_write_byte(b)              ((gl_memory == MEM_CHIP) ? df_write_byte(b) : mmc_write_byte(b))
#define Hard_write_open(pos)            ((gl_memory == MEM_CHIP) ? df_write_open(pos) : mmc_write_open(pos))
#define Hard_write_close()              ((gl_memory == MEM_CHIP) ? df_write_close() : mmc_write_close())

#define Hard_format()                   ((gl_memory == MEM_CHIP) ? df_format() : mmc_format())


#endif  /* _HARD_H_ */