disp_task.h

atmel at89c51snd1c mp3芯片方案源码

/*H**************************************************************************
* NAME:         disp_task.h         
*----------------------------------------------------------------------------
* Copyright (c) 2003 Atmel.
*----------------------------------------------------------------------------
* RELEASE:      snd1c-refd-nf-4_0_3      
* REVISION:     1.7     
*----------------------------------------------------------------------------
* PURPOSE:
* This file contains the display task definition
*****************************************************************************/

#ifndef _DISP_TASK_H_
#define _DISP_TASK_H_



/*----- Scheduler Timer Configuration -----*/
#define TIM_ADJUST      (Byte)4         /* to be modified for timing adjustment */
#define TIM_LOW         LOW(65536 - (SCHEDULER_TICK * (FPER / 6)) + TIM_ADJUST)
#define TIM_HIGH        HIGH(65536 - (SCHEDULER_TICK * (FPER / 6)))


#define DISP_TICK_500       500 / SCHEDULER_TICK
#define DISP_TICK_SEC       1000 / SCHEDULER_TICK
#define DISP_SEC_MIN        59

/*----- Clock task states -----*/
#define DISP_IDLE             0
#define DISP_INIT             1
#define DISP_TICK0            2
#define DISP_TICK1            3
#define DISP_SEC              4
#define DISP_MIN              5
#define DISP_MS_BUSY          6




void    disp_task_init (void);
void    disp_task (void);
void    disp_name_start (void);
void    disp_name_stop (void);
void    disp_clock_reset (void);
void    disp_clock_start (void);
void    disp_clock_stop (void);
void    disp_end_of_play (void);
Byte    disp_get_min (void);
Byte    disp_get_sec (void);
void    disp_save_time (void);
void    disp_recall_time (void);
void    disp_inc_time (Byte);
void    disp_dec_time (Byte);

void    disp_cdrom_time(INT8U u8Track,INT8U u8Min,INT8U u8Sec);

void print_repeat(bit);
void print_state_pause(void);
void print_file_name();
void print_state_error(); 

void disp_end_of_play();
void disp_name_stop();




void    print_key_mode(void);
void    print_state_play(void);
void    print_sound_level();

void    disp_task_init(void);
void    disp_task(void);





#endif  /* _DISP_TASK_H_ */