mp3_drv.h

ATMEL全套MP3设计资料

/*H**************************************************************************
* $RCSfile: mp3_drv.h,v $         
*----------------------------------------------------------------------------
* Copyright (c) 2002 Atmel.
*----------------------------------------------------------------------------
* RELEASE:      $Name: DEMO_FAT_1_9_9 $      
* REVISION:     $Revision: 1.5 $     
* FILE_CVSID:   $Id: mp3_drv.h,v 1.5 2002/05/24 09:51:13 njourdan Exp $       
*----------------------------------------------------------------------------
* PURPOSE:
* This file contains the MP3 decoder definition
*****************************************************************************/

#ifndef _MP3_DRV_H_
#define _MP3_DRV_H_

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


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

/*----- Frame header -----*/
#define MSK_EMP         0x01
#define MSK_VER         0x08
#define MSK_FS          0x0C


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


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

void    mp3_init      (void);
void    mp3_set_prio  (Byte);
void    mp3_stop      (void);
void    mp3_restart   (void);

#define Mp3_enable()          (MP3CON |= MSK_MPEN)
#define Mp3_disable()         (MP3CON &= ~MSK_MPEN)
#define Mp3_enable_int()      (EMP3 = 1)
#define Mp3_disable_int()     (EMP3 = 0)
#define Mp3_mask_int_set(i)   (MP3CON |= (i))
#define Mp3_mask_int_clr(i)   (MP3CON &= ~(i))
#define Mp3_skip_crc_error()  (MP3CON |= MSK_CRCEN)
#define Mp3_play_crc_error()  (MP3CON &= ~MSK_CRCEN)
#define Mp3_set_bass_boost()  (MP3CON |= MSK_MPBBST)
#define Mp3_clr_bass_boost()  (MP3CON &= ~MSK_MPBBST)
#define Mp3_load(d)           (MP3DAT = d)
#define Mp3_set_clock(c)      (MP3CLK = c)

#endif  /* _MP3_DRV_H_ */