song_drv.h

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/*H**************************************************************************
* NAME:         song_drv.h
*----------------------------------------------------------------------------
* Copyright (c) 2003 Atmel.
*----------------------------------------------------------------------------
* RELEASE:      snd1c-refd-nf-4_0_3      
* REVISION:     1.11     
*----------------------------------------------------------------------------
* PURPOSE
* This file contains the song driver definition
*****************************************************************************/

#ifndef _SONG_DRV_H_
#define _SONG_DRV_H_

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


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

#define NB_SOUND        (Byte)5

#define SND_VOLUME      (Byte)0
#define SND_BASS        (Byte)1
#define SND_MEDIUM      (Byte)2
#define SND_TREBLE      (Byte)3
#define SND_BBOOST      (Byte)4

#define VOLUME_MAX      (Byte)31
#define BASS_MAX        (Byte)31
#define MEDIUM_MAX      (Byte)31
#define TREBLE_MAX      (Byte)31
#define BBOOST_MAX      (Byte)1

#define VOLUME_MIN      (Byte)0
#define BASS_MIN        (Byte)0
#define MEDIUM_MIN      (Byte)0
#define TREBLE_MIN      (Byte)0
#define BBOOST_MIN      (Byte)0

#define VOLUME_MED      (Byte)15
#define BASS_MED        (Byte)15
#define MEDIUM_MED      (Byte)15
#define TREBLE_MED      (Byte)15
#define BBOOST_MED      (Byte)0

/* MP3 Frame Header */
#define MP3_SYNC_H      (Byte)0xFF
#define MP3_SYNC_L      (Byte)0xF0
#define MP3_MSK_SYNC    (Byte)0xF0
#define MP3_MSK_VER     (Byte)0x08
#define MP3_LAYER_III   (Byte)0x02
#define MP3_MSK_LAYER   (Byte)0x06
#define MP3_BR_FREE     (Byte)0x00
#define MP3_BR_224      (Byte)0xC0
#define MP3_BR_256      (Byte)0xD0
#define MP3_BR_320      (Byte)0xE0
#define MP3_BR_112      (Byte)0xB0
#define MP3_BR_144      (Byte)0xD0
#define MP3_BR_160      (Byte)0xE0
#define MP3_MSK_BR      (Byte)0xF0
#define MP3_FS_22       (Byte)0x00
#define MP3_FS_24       (Byte)0x01
#define MP3_FS_16       (Byte)0x02
#define MP3_FS_44       (Byte)0x04
#define MP3_FS_48       (Byte)0x05
#define MP3_FS_32       (Byte)0x06
#define MP3_MSK_FS      (Byte)0x0C
#define MP3_MSK_EMP     (Byte)0x01

/* song_init() Return */
#define SONG_MAX_ERR    (Byte)100
#define SONG_NO_ERR     (Byte)0x00          /* each error coded on 1 bit */
#define SONG_LAYER_ERR  (Byte)0x01
#define SONG_BR_ERR     (Byte)0x02
#define SONG_FS_ERR     (Byte)0x04
#define SONG_SYNC_ERR   (Byte)0x08


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


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

Byte    song_init (void);
void    song_start (void);
void    song_pause (void);
void    song_stop (void);

void    song_snd_init (void);
void    song_snd_inc (void);
void    song_snd_dec (void);
void    song_snd_select (void);
Byte    song_get_sound (void);
Byte    song_get_level (void);


#endif  /* _SONG_DRV_H_ */