song_task.h

ATMEL公司AT89C51SND1为主控制器MP3源代码

/*H**************************************************************************
* NAME:         song_task.h
*----------------------------------------------------------------------------
* Copyright (c) 2003 Atmel.
*----------------------------------------------------------------------------
* RELEASE:      snd1c-refd-nf-4_0_3      
* REVISION:     1.10     
*----------------------------------------------------------------------------
* PURPOSE:
* This file contains the song task definition
*****************************************************************************/

#ifndef _SONG_TASK_H_
#define _SONG_TASK_H_

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


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

#ifndef PLAYER_PLAY_MODE
  #error PLAYER_PLAY_MODE must be defined in config.h
  #define PLAYER_PLAY_MODE    PLAY_DIR
#endif
#ifndef PLAYER_PLAY_START
  #error PLAYER_PLAY_START must be defined in config.h
  #define PLAYER_PLAY_START   START_STOP
#endif
#ifndef PLAYER_PLAY_LOOP
  #error PLAYER_PLAY_LOOP must be defined in config.h
  #define PLAYER_PLAY_LOOP    PLAY_NO_LOOP
#endif

/*----- Mode Values -----*/
#define PLAY_DIR              0
#define PLAY_DISK             1

/*----- Start Values -----*/
#define START_STOP            0
#define START_PLAY            1

/*------Loop Default Values -----*/
#define PLAY_LOOP             TRUE
#define PLAY_NO_LOOP          FALSE


/*----- Task states -----*/
#define SONG_START            0
#define SONG_INSTALL          1
#define SONG_IDLE             2
#define SONG_INIT             3
#define SONG_PLAY             4
#define SONG_PLL              5
#define SONG_PAUSE            6
#define SONG_NEW              7
#define SONG_STOP             8
#define SONG_NO_SONG          9
#define SONG_NEXT             10
#define SONG_ERROR            11
#define SONG_PREV             12


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


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

void    song_task_init (void);
void    song_task (void);


#endif  /* _SONG_TASK_H_ */