ata-neo.h

编译后直接运行的ＭＰ３播放器全部Ｃ语言源代码 一个包含FAT文件系统、系统引导 Boot、FLASH Driver等内容的

#ifndef __ATA_H__
#define __ATA_H__

#include <stdbool.h>

/*
  ata_spindown() time values:
   -1     Immediate spindown
   0      Timeout disabled
   1-240  (time * 5) seconds
   241-251((time - 240) * 30) minutes
   252    21 minutes
   253    Period between 8 and 12 hrs
   254    Reserved
   255    21 min 15 s
*/
typedef union {
    struct {
        unsigned long low;
        unsigned long high;
    } ata_sectors_s;
    unsigned long sector;
} ata_sectors_t;

extern void ata_enable(bool on);
extern void ata_spindown(int seconds);
extern void ata_poweroff(bool enable);
extern int ata_sleep(void);
extern int ata_standby(int time);
extern bool ata_disk_is_active(void);
extern int ata_hard_reset(void);
extern int ata_soft_reset(void);
extern int ata_init(void);
extern int ata_read_sectors(ata_sectors_t *start, int count, void* buf);
extern int ata_write_sectors(ata_sectors_t *start, int count, void* buf);
extern void ata_delayed_write(ata_sectors_t *sector, void* buf);
extern void ata_flush(void);
extern void ata_spin(void);
extern unsigned short* ata_get_identify(void);

extern long last_disk_activity;
extern int ata_spinup_time; /* ticks */

#endif