hdtype.h

DSP和具有标准的并行ATA 硬盘接口之间的驱动程序

#ifndef _CTYPE
#define _CTYPE
typedef unsigned char  HDByte;
typedef unsigned int   HDDword;
typedef unsigned short HDWord; 
typedef int            HDBool; 
#define HDTURE   1
#define HDFALSE  0
#define FDTSIZE  32
#define FILE_WRITE 1
#define FILE_READ  2
#define HD_SEEK_SET  (0x0000)
#define HD_SEEK_CUR  (0x0001)
#define HD_SEEK_END  (0x0002)
typedef struct 
{   HDDword ActivePartition;
    HDDword PartitionIndeicator;
    HDDword SectorsPreceding;
    HDDword SectorsInPartition;
    HDDword LBABegin;
} PartitionTable_Type;
typedef struct 
{
     HDDword BPB_BytsPerSec;
     HDDword BPB_SecPerClus;
     HDDword BPB_RsvdSecCnt;
     HDDword BPB_NumFATs;
     HDDword BPB_HiddSec;
     HDDword BPB_TotSec32;
     HDDword BPB_FATSz32;
     HDDword BPB_FSInfo;
     HDDword BPB_RootClus;
} BootSectorFat32_Type;
typedef struct 
{
   HDDword FSI_Free_Count;
   HDDword FSI_Nxt_free;
}  FS_Info_Type;
typedef struct 
{
    BootSectorFat32_Type dbr;
    FS_Info_Type         fsi;
    HDDword         fatptr;
    HDDword         rootptr;
} FAT_Type;
typedef struct 
{
    HDDword DIR_Name[3];
    HDDword DIR_Attr;
    HDDword DIR_FstClus;
    HDDword DIR_FileSize;         
} FDT_Type;
typedef struct
{
    int fd;
    HDByte   fbuf[4096];
    FDT_Type ft;
    HDDword  fpos; 
    HDDword  fattr;  
    HDDword  fsec; 
    int  ptidx;
    int  ftofs;
} FILE_Type;
#endif