My fork of the FATFileSystem (working)
Fork of FATFileSystem by
Revision 5:ecf9ff7e4ef2, committed 2013-01-08
- Comitter:
- s_moriya
- Date:
- Tue Jan 08 10:53:42 2013 +0000
- Parent:
- 4:a3c0bfc113b2
- Commit message:
- 1
Changed in this revision
--- a/diskio.h Tue Nov 20 12:19:46 2012 +0000 +++ b/diskio.h Tue Jan 08 10:53:42 2013 +0000 @@ -4,8 +4,8 @@ #ifndef _DISKIO -#define _READONLY 0 /* 1: Read-only mode */ -#define _USE_IOCTL 1 +#define _READONLY 0 /* 1: Read-only mode */ +#define _USE_IOCTL 1 #include "integer.h" @@ -14,15 +14,15 @@ #endif /* Status of Disk Functions */ -typedef BYTE DSTATUS; +typedef BYTE DSTATUS; /* Results of Disk Functions */ typedef enum { - RES_OK = 0, /* 0: Successful */ - RES_ERROR, /* 1: R/W Error */ - RES_WRPRT, /* 2: Write Protected */ - RES_NOTRDY, /* 3: Not Ready */ - RES_PARERR /* 4: Invalid Parameter */ + RES_OK = 0, /* 0: Successful */ + RES_ERROR, /* 1: R/W Error */ + RES_WRPRT, /* 2: Write Protected */ + RES_NOTRDY, /* 3: Not Ready */ + RES_PARERR /* 4: Invalid Parameter */ } DRESULT; @@ -32,11 +32,11 @@ DSTATUS disk_initialize (BYTE); DSTATUS disk_status (BYTE); DRESULT disk_read (BYTE, BYTE*, DWORD, BYTE); -#if _READONLY == 0 +#if _READONLY == 0 DRESULT disk_write (BYTE, const BYTE*, DWORD, BYTE); #endif DRESULT disk_ioctl (BYTE, BYTE, void*); -void disk_timerproc (void); +void disk_timerproc (void); #ifdef __cplusplus }; @@ -45,31 +45,31 @@ /* Disk Status Bits (DSTATUS) */ -#define STA_NOINIT 0x01 /* Drive not initialized */ -#define STA_NODISK 0x02 /* No medium in the drive */ -#define STA_PROTECT 0x04 /* Write protected */ +#define STA_NOINIT 0x01 /* Drive not initialized */ +#define STA_NODISK 0x02 /* No medium in the drive */ +#define STA_PROTECT 0x04 /* Write protected */ /* Command code for disk_ioctrl() */ /* Generic command */ -#define CTRL_SYNC 0 /* Mandatory for read/write configuration */ -#define GET_SECTOR_COUNT 1 /* Mandatory for only f_mkfs() */ -#define GET_SECTOR_SIZE 2 -#define GET_BLOCK_SIZE 3 /* Mandatory for only f_mkfs() */ -#define CTRL_POWER 4 -#define CTRL_LOCK 5 -#define CTRL_EJECT 6 +#define CTRL_SYNC 0 /* Mandatory for read/write configuration */ +#define GET_SECTOR_COUNT 1 /* Mandatory for only f_mkfs() */ +#define GET_SECTOR_SIZE 2 +#define GET_BLOCK_SIZE 3 /* Mandatory for only f_mkfs() */ +#define CTRL_POWER 4 +#define CTRL_LOCK 5 +#define CTRL_EJECT 6 /* MMC/SDC command */ -#define MMC_GET_TYPE 10 -#define MMC_GET_CSD 11 -#define MMC_GET_CID 12 -#define MMC_GET_OCR 13 -#define MMC_GET_SDSTAT 14 +#define MMC_GET_TYPE 10 +#define MMC_GET_CSD 11 +#define MMC_GET_CID 12 +#define MMC_GET_OCR 13 +#define MMC_GET_SDSTAT 14 /* ATA/CF command */ -#define ATA_GET_REV 20 -#define ATA_GET_MODEL 21 -#define ATA_GET_SN 22 +#define ATA_GET_REV 20 +#define ATA_GET_MODEL 21 +#define ATA_GET_SN 22 #define _DISKIO
--- a/ff.h Tue Nov 20 12:19:46 2012 +0000 +++ b/ff.h Tue Jan 08 10:53:42 2013 +0000 @@ -16,7 +16,7 @@ #ifndef _FATFS -#define _MCU_ENDIAN 2 +#define _MCU_ENDIAN 2 /* The _MCU_ENDIAN defines which access method is used to the FAT structure. / 1: Enable word access. / 2: Disable word access and use byte-by-byte access instead. @@ -24,41 +24,41 @@ / miss-aligned access results incorrect behavior, the _MCU_ENDIAN must be set to 2. / If it is not the case, it can also be set to 1 for good code efficiency. */ -#define _FS_READONLY 0 +#define _FS_READONLY 0 /* Setting _FS_READONLY to 1 defines read only configuration. This removes / writing functions, f_write, f_sync, f_unlink, f_mkdir, f_chmod, f_rename, / f_truncate and useless f_getfree. */ -#define _FS_MINIMIZE 0 +#define _FS_MINIMIZE 0 /* The _FS_MINIMIZE option defines minimization level to remove some functions. / 0: Full function. / 1: f_stat, f_getfree, f_unlink, f_mkdir, f_chmod, f_truncate and f_rename are removed. / 2: f_opendir and f_readdir are removed in addition to level 1. / 3: f_lseek is removed in addition to level 2. */ -#define _USE_STRFUNC 0 +#define _USE_STRFUNC 0 /* To enable string functions, set _USE_STRFUNC to 1 or 2. */ -#define _USE_MKFS 1 +#define _USE_MKFS 1 /* When _USE_MKFS is set to 1 and _FS_READONLY is set to 0, f_mkfs function is / enabled. */ -#define _DRIVES 4 +#define _DRIVES 4 /* Number of logical drives to be used. This affects the size of internal table. */ -#define _MULTI_PARTITION 0 +#define _MULTI_PARTITION 0 /* When _MULTI_PARTITION is set to 0, each logical drive is bound to same / physical drive number and can mount only 1st primaly partition. When it is / set to 1, each logical drive can mount a partition listed in Drives[]. */ -#define _USE_FSINFO 0 +#define _USE_FSINFO 0 /* To enable FSInfo support on FAT32 volume, set _USE_FSINFO to 1. */ -#define _USE_SJIS 1 +#define _USE_SJIS 1 /* When _USE_SJIS is set to 1, Shift-JIS code transparency is enabled, otherwise / only US-ASCII(7bit) code can be accepted as file/directory name. */ -#define _USE_NTFLAG 1 +#define _USE_NTFLAG 1 /* When _USE_NTFLAG is set to 1, upper/lower case of the file name is preserved. / Note that the files are always accessed in case insensitive. */ @@ -70,104 +70,104 @@ #endif /* Definitions corresponds to multiple sector size (not tested) */ -#define S_MAX_SIZ 512U /* Do not change */ +#define S_MAX_SIZ 512U /* Do not change */ #if S_MAX_SIZ > 512U -#define SS(fs) ((fs)->s_size) +#define SS(fs) ((fs)->s_size) #else -#define SS(fs) 512U +#define SS(fs) 512U #endif /* File system object structure */ typedef struct _FATFS { - WORD id; /* File system mount ID */ - WORD n_rootdir; /* Number of root directory entries */ - DWORD winsect; /* Current sector appearing in the win[] */ - DWORD sects_fat; /* Sectors per fat */ - DWORD max_clust; /* Maximum cluster# + 1 */ - DWORD fatbase; /* FAT start sector */ - DWORD dirbase; /* Root directory start sector (cluster# for FAT32) */ - DWORD database; /* Data start sector */ + WORD id; /* File system mount ID */ + WORD n_rootdir; /* Number of root directory entries */ + DWORD winsect; /* Current sector appearing in the win[] */ + DWORD sects_fat; /* Sectors per fat */ + DWORD max_clust; /* Maximum cluster# + 1 */ + DWORD fatbase; /* FAT start sector */ + DWORD dirbase; /* Root directory start sector (cluster# for FAT32) */ + DWORD database; /* Data start sector */ #if !_FS_READONLY - DWORD last_clust; /* Last allocated cluster */ - DWORD free_clust; /* Number of free clusters */ + DWORD last_clust; /* Last allocated cluster */ + DWORD free_clust; /* Number of free clusters */ #if _USE_FSINFO - DWORD fsi_sector; /* fsinfo sector */ - BYTE fsi_flag; /* fsinfo dirty flag (1:must be written back) */ - BYTE pad2; + DWORD fsi_sector; /* fsinfo sector */ + BYTE fsi_flag; /* fsinfo dirty flag (1:must be written back) */ + BYTE pad2; #endif #endif - BYTE fs_type; /* FAT sub type */ - BYTE csize; /* Number of sectors per cluster */ + BYTE fs_type; /* FAT sub type */ + BYTE csize; /* Number of sectors per cluster */ #if S_MAX_SIZ > 512U - WORD s_size; /* Sector size */ + WORD s_size; /* Sector size */ #endif - BYTE n_fats; /* Number of FAT copies */ - BYTE drive; /* Physical drive number */ - BYTE winflag; /* win[] dirty flag (1:must be written back) */ - BYTE pad1; - BYTE win[S_MAX_SIZ]; /* Disk access window for Directory/FAT */ + BYTE n_fats; /* Number of FAT copies */ + BYTE drive; /* Physical drive number */ + BYTE winflag; /* win[] dirty flag (1:must be written back) */ + BYTE pad1; + BYTE win[S_MAX_SIZ]; /* Disk access window for Directory/FAT */ } FATFS; /* Directory object structure */ typedef struct _DIR { - WORD id; /* Owner file system mount ID */ - WORD index; /* Current index */ - FATFS* fs; /* Pointer to the owner file system object */ - DWORD sclust; /* Start cluster */ - DWORD clust; /* Current cluster */ - DWORD sect; /* Current sector */ + WORD id; /* Owner file system mount ID */ + WORD index; /* Current index */ + FATFS* fs; /* Pointer to the owner file system object */ + DWORD sclust; /* Start cluster */ + DWORD clust; /* Current cluster */ + DWORD sect; /* Current sector */ } FATFS_DIR; /* File object structure */ typedef struct _FIL { - WORD id; /* Owner file system mount ID */ - BYTE flag; /* File status flags */ - BYTE csect; /* Sector address in the cluster */ - FATFS* fs; /* Pointer to the owner file system object */ - DWORD fptr; /* File R/W pointer */ - DWORD fsize; /* File size */ - DWORD org_clust; /* File start cluster */ - DWORD curr_clust; /* Current cluster */ - DWORD curr_sect; /* Current sector */ + WORD id; /* Owner file system mount ID */ + BYTE flag; /* File status flags */ + BYTE csect; /* Sector address in the cluster */ + FATFS* fs; /* Pointer to the owner file system object */ + DWORD fptr; /* File R/W pointer */ + DWORD fsize; /* File size */ + DWORD org_clust; /* File start cluster */ + DWORD curr_clust; /* Current cluster */ + DWORD curr_sect; /* Current sector */ #if _FS_READONLY == 0 - DWORD dir_sect; /* Sector containing the directory entry */ - BYTE* dir_ptr; /* Ponter to the directory entry in the window */ + DWORD dir_sect; /* Sector containing the directory entry */ + BYTE* dir_ptr; /* Ponter to the directory entry in the window */ #endif - BYTE buffer[S_MAX_SIZ]; /* File R/W buffer */ + BYTE buffer[S_MAX_SIZ]; /* File R/W buffer */ } FIL; /* File status structure */ typedef struct _FILINFO { - DWORD fsize; /* Size */ - WORD fdate; /* Date */ - WORD ftime; /* Time */ - BYTE fattrib; /* Attribute */ - char fname[8+1+3+1]; /* Name (8.3 format) */ + DWORD fsize; /* Size */ + WORD fdate; /* Date */ + WORD ftime; /* Time */ + BYTE fattrib; /* Attribute */ + char fname[8+1+3+1]; /* Name (8.3 format) */ } FILINFO; /* Definitions corresponds to multi partition */ -#if _MULTI_PARTITION != 0 /* Multiple partition cfg */ +#if _MULTI_PARTITION != 0 /* Multiple partition cfg */ typedef struct _PARTITION { - BYTE pd; /* Physical drive # (0-255) */ - BYTE pt; /* Partition # (0-3) */ + BYTE pd; /* Physical drive # (0-255) */ + BYTE pt; /* Partition # (0-3) */ } PARTITION; extern -const PARTITION Drives[]; /* Logical drive# to physical location conversion table */ -#define LD2PD(drv) (Drives[drv].pd) /* Get physical drive# */ -#define LD2PT(drv) (Drives[drv].pt) /* Get partition# */ +const PARTITION Drives[]; /* Logical drive# to physical location conversion table */ +#define LD2PD(drv) (Drives[drv].pd) /* Get physical drive# */ +#define LD2PT(drv) (Drives[drv].pt) /* Get partition# */ -#else /* Single partition cfg */ +#else /* Single partition cfg */ -#define LD2PD(drv) (drv) /* Physical drive# is equal to logical drive# */ -#define LD2PT(drv) 0 /* Always mounts the 1st partition */ +#define LD2PD(drv) (drv) /* Physical drive# is equal to logical drive# */ +#define LD2PT(drv) 0 /* Always mounts the 1st partition */ #endif @@ -175,20 +175,20 @@ /* File function return code (FRESULT) */ typedef enum { - FR_OK = 0, /* 0 */ - FR_NOT_READY, /* 1 */ - FR_NO_FILE, /* 2 */ - FR_NO_PATH, /* 3 */ - FR_INVALID_NAME, /* 4 */ - FR_INVALID_DRIVE, /* 5 */ - FR_DENIED, /* 6 */ - FR_EXIST, /* 7 */ - FR_RW_ERROR, /* 8 */ - FR_WRITE_PROTECTED, /* 9 */ - FR_NOT_ENABLED, /* 10 */ - FR_NO_FILESYSTEM, /* 11 */ - FR_INVALID_OBJECT, /* 12 */ - FR_MKFS_ABORTED /* 13 */ + FR_OK = 0, /* 0 */ + FR_NOT_READY, /* 1 */ + FR_NO_FILE, /* 2 */ + FR_NO_PATH, /* 3 */ + FR_INVALID_NAME, /* 4 */ + FR_INVALID_DRIVE, /* 5 */ + FR_DENIED, /* 6 */ + FR_EXIST, /* 7 */ + FR_RW_ERROR, /* 8 */ + FR_WRITE_PROTECTED, /* 9 */ + FR_NOT_ENABLED, /* 10 */ + FR_NO_FILESYSTEM, /* 11 */ + FR_INVALID_OBJECT, /* 12 */ + FR_MKFS_ABORTED /* 13 */ } FRESULT; @@ -196,142 +196,142 @@ /*-----------------------------------------------------*/ /* FatFs module application interface */ -FRESULT f_mount (BYTE, FATFS*); /* Mount/Unmount a logical drive */ -FRESULT f_open (FIL*, const char*, BYTE); /* Open or create a file */ -FRESULT f_read (FIL*, void*, UINT, UINT*); /* Read data from a file */ -FRESULT f_write (FIL*, const void*, UINT, UINT*); /* Write data to a file */ -FRESULT f_lseek (FIL*, DWORD); /* Move file pointer of a file object */ -FRESULT f_close (FIL*); /* Close an open file object */ -FRESULT f_opendir (FATFS_DIR*, const char*); /* Open an existing directory */ -FRESULT f_readdir (FATFS_DIR*, FILINFO*); /* Read a directory item */ -FRESULT f_stat (const char*, FILINFO*); /* Get file status */ -FRESULT f_getfree (const char*, DWORD*, FATFS**); /* Get number of free clusters on the drive */ -FRESULT f_truncate (FIL*); /* Truncate file */ -FRESULT f_sync (FIL*); /* Flush cached data of a writing file */ -FRESULT f_unlink (const char*); /* Delete an existing file or directory */ -FRESULT f_mkdir (const char*); /* Create a new directory */ -FRESULT f_chmod (const char*, BYTE, BYTE); /* Change file/dir attriburte */ -FRESULT f_utime (const char*, const FILINFO*); /* Change file/dir timestamp */ -FRESULT f_rename (const char*, const char*); /* Rename/Move a file or directory */ -FRESULT f_mkfs (BYTE, BYTE, WORD); /* Create a file system on the drive */ +FRESULT f_mount (BYTE, FATFS*); /* Mount/Unmount a logical drive */ +FRESULT f_open (FIL*, const char*, BYTE); /* Open or create a file */ +FRESULT f_read (FIL*, void*, UINT, UINT*); /* Read data from a file */ +FRESULT f_write (FIL*, const void*, UINT, UINT*); /* Write data to a file */ +FRESULT f_lseek (FIL*, DWORD); /* Move file pointer of a file object */ +FRESULT f_close (FIL*); /* Close an open file object */ +FRESULT f_opendir (FATFS_DIR*, const char*); /* Open an existing directory */ +FRESULT f_readdir (FATFS_DIR*, FILINFO*); /* Read a directory item */ +FRESULT f_stat (const char*, FILINFO*); /* Get file status */ +FRESULT f_getfree (const char*, DWORD*, FATFS**); /* Get number of free clusters on the drive */ +FRESULT f_truncate (FIL*); /* Truncate file */ +FRESULT f_sync (FIL*); /* Flush cached data of a writing file */ +FRESULT f_unlink (const char*); /* Delete an existing file or directory */ +FRESULT f_mkdir (const char*); /* Create a new directory */ +FRESULT f_chmod (const char*, BYTE, BYTE); /* Change file/dir attriburte */ +FRESULT f_utime (const char*, const FILINFO*); /* Change file/dir timestamp */ +FRESULT f_rename (const char*, const char*); /* Rename/Move a file or directory */ +FRESULT f_mkfs (BYTE, BYTE, WORD); /* Create a file system on the drive */ #if _USE_STRFUNC #define feof(fp) ((fp)->fptr == (fp)->fsize) #define EOF -1 -int fputc (int, FIL*); /* Put a character to the file */ -int fputs (const char*, FIL*); /* Put a string to the file */ -int fprintf (FIL*, const char*, ...); /* Put a formatted string to the file */ -char* fgets (char*, int, FIL*); /* Get a string from the file */ +int fputc (int, FIL*); /* Put a character to the file */ +int fputs (const char*, FIL*); /* Put a string to the file */ +int fprintf (FIL*, const char*, ...); /* Put a formatted string to the file */ +char* fgets (char*, int, FIL*); /* Get a string from the file */ #endif /* User defined function to give a current time to fatfs module */ -DWORD get_fattime (void); /* 31-25: Year(0-127 org.1980), 24-21: Month(1-12), 20-16: Day(1-31) */ - /* 15-11: Hour(0-23), 10-5: Minute(0-59), 4-0: Second(0-29 *2) */ +DWORD get_fattime (void); /* 31-25: Year(0-127 org.1980), 24-21: Month(1-12), 20-16: Day(1-31) */ + /* 15-11: Hour(0-23), 10-5: Minute(0-59), 4-0: Second(0-29 *2) */ /* File access control and file status flags (FIL.flag) */ -#define FA_READ 0x01 -#define FA_OPEN_EXISTING 0x00 +#define FA_READ 0x01 +#define FA_OPEN_EXISTING 0x00 #if _FS_READONLY == 0 -#define FA_WRITE 0x02 -#define FA_CREATE_NEW 0x04 -#define FA_CREATE_ALWAYS 0x08 -#define FA_OPEN_ALWAYS 0x10 -#define FA__WRITTEN 0x20 -#define FA__DIRTY 0x40 +#define FA_WRITE 0x02 +#define FA_CREATE_NEW 0x04 +#define FA_CREATE_ALWAYS 0x08 +#define FA_OPEN_ALWAYS 0x10 +#define FA__WRITTEN 0x20 +#define FA__DIRTY 0x40 #endif -#define FA__ERROR 0x80 +#define FA__ERROR 0x80 /* FAT sub type (FATFS.fs_type) */ -#define FS_FAT12 1 -#define FS_FAT16 2 -#define FS_FAT32 3 +#define FS_FAT12 1 +#define FS_FAT16 2 +#define FS_FAT32 3 /* File attribute bits for directory entry */ -#define AM_RDO 0x01 /* Read only */ -#define AM_HID 0x02 /* Hidden */ -#define AM_SYS 0x04 /* System */ -#define AM_VOL 0x08 /* Volume label */ -#define AM_LFN 0x0F /* LFN entry */ -#define AM_DIR 0x10 /* Directory */ -#define AM_ARC 0x20 /* Archive */ +#define AM_RDO 0x01 /* Read only */ +#define AM_HID 0x02 /* Hidden */ +#define AM_SYS 0x04 /* System */ +#define AM_VOL 0x08 /* Volume label */ +#define AM_LFN 0x0F /* LFN entry */ +#define AM_DIR 0x10 /* Directory */ +#define AM_ARC 0x20 /* Archive */ /* Offset of FAT structure members */ -#define BS_jmpBoot 0 -#define BS_OEMName 3 -#define BPB_BytsPerSec 11 -#define BPB_SecPerClus 13 -#define BPB_RsvdSecCnt 14 -#define BPB_NumFATs 16 -#define BPB_RootEntCnt 17 -#define BPB_TotSec16 19 -#define BPB_Media 21 -#define BPB_FATSz16 22 -#define BPB_SecPerTrk 24 -#define BPB_NumHeads 26 -#define BPB_HiddSec 28 -#define BPB_TotSec32 32 -#define BS_55AA 510 +#define BS_jmpBoot 0 +#define BS_OEMName 3 +#define BPB_BytsPerSec 11 +#define BPB_SecPerClus 13 +#define BPB_RsvdSecCnt 14 +#define BPB_NumFATs 16 +#define BPB_RootEntCnt 17 +#define BPB_TotSec16 19 +#define BPB_Media 21 +#define BPB_FATSz16 22 +#define BPB_SecPerTrk 24 +#define BPB_NumHeads 26 +#define BPB_HiddSec 28 +#define BPB_TotSec32 32 +#define BS_55AA 510 -#define BS_DrvNum 36 -#define BS_BootSig 38 -#define BS_VolID 39 -#define BS_VolLab 43 -#define BS_FilSysType 54 +#define BS_DrvNum 36 +#define BS_BootSig 38 +#define BS_VolID 39 +#define BS_VolLab 43 +#define BS_FilSysType 54 -#define BPB_FATSz32 36 -#define BPB_ExtFlags 40 -#define BPB_FSVer 42 -#define BPB_RootClus 44 -#define BPB_FSInfo 48 -#define BPB_BkBootSec 50 -#define BS_DrvNum32 64 -#define BS_BootSig32 66 -#define BS_VolID32 67 -#define BS_VolLab32 71 -#define BS_FilSysType32 82 +#define BPB_FATSz32 36 +#define BPB_ExtFlags 40 +#define BPB_FSVer 42 +#define BPB_RootClus 44 +#define BPB_FSInfo 48 +#define BPB_BkBootSec 50 +#define BS_DrvNum32 64 +#define BS_BootSig32 66 +#define BS_VolID32 67 +#define BS_VolLab32 71 +#define BS_FilSysType32 82 -#define FSI_LeadSig 0 -#define FSI_StrucSig 484 -#define FSI_Free_Count 488 -#define FSI_Nxt_Free 492 +#define FSI_LeadSig 0 +#define FSI_StrucSig 484 +#define FSI_Free_Count 488 +#define FSI_Nxt_Free 492 -#define MBR_Table 446 +#define MBR_Table 446 -#define DIR_Name 0 -#define DIR_Attr 11 -#define DIR_NTres 12 -#define DIR_CrtTime 14 -#define DIR_CrtDate 16 -#define DIR_FstClusHI 20 -#define DIR_WrtTime 22 -#define DIR_WrtDate 24 -#define DIR_FstClusLO 26 -#define DIR_FileSize 28 +#define DIR_Name 0 +#define DIR_Attr 11 +#define DIR_NTres 12 +#define DIR_CrtTime 14 +#define DIR_CrtDate 16 +#define DIR_FstClusHI 20 +#define DIR_WrtTime 22 +#define DIR_WrtDate 24 +#define DIR_FstClusLO 26 +#define DIR_FileSize 28 /* Multi-byte word access macros */ -#if _MCU_ENDIAN == 1 /* Use word access */ -#define LD_WORD(ptr) (WORD)(*(WORD*)(BYTE*)(ptr)) -#define LD_DWORD(ptr) (DWORD)(*(DWORD*)(BYTE*)(ptr)) -#define ST_WORD(ptr,val) *(WORD*)(BYTE*)(ptr)=(WORD)(val) -#define ST_DWORD(ptr,val) *(DWORD*)(BYTE*)(ptr)=(DWORD)(val) -#elif _MCU_ENDIAN == 2 /* Use byte-by-byte access */ -#define LD_WORD(ptr) (WORD)(((WORD)*(volatile BYTE*)((ptr)+1)<<8)|(WORD)*(volatile BYTE*)(ptr)) -#define LD_DWORD(ptr) (DWORD)(((DWORD)*(volatile BYTE*)((ptr)+3)<<24)|((DWORD)*(volatile BYTE*)((ptr)+2)<<16)|((WORD)*(volatile BYTE*)((ptr)+1)<<8)|*(volatile BYTE*)(ptr)) -#define ST_WORD(ptr,val) *(volatile BYTE*)(ptr)=(BYTE)(val); *(volatile BYTE*)((ptr)+1)=(BYTE)((WORD)(val)>>8) -#define ST_DWORD(ptr,val) *(volatile BYTE*)(ptr)=(BYTE)(val); *(volatile BYTE*)((ptr)+1)=(BYTE)((WORD)(val)>>8); *(volatile BYTE*)((ptr)+2)=(BYTE)((DWORD)(val)>>16); *(volatile BYTE*)((ptr)+3)=(BYTE)((DWORD)(val)>>24) +#if _MCU_ENDIAN == 1 /* Use word access */ +#define LD_WORD(ptr) (WORD)(*(WORD*)(BYTE*)(ptr)) +#define LD_DWORD(ptr) (DWORD)(*(DWORD*)(BYTE*)(ptr)) +#define ST_WORD(ptr,val) *(WORD*)(BYTE*)(ptr)=(WORD)(val) +#define ST_DWORD(ptr,val) *(DWORD*)(BYTE*)(ptr)=(DWORD)(val) +#elif _MCU_ENDIAN == 2 /* Use byte-by-byte access */ +#define LD_WORD(ptr) (WORD)(((WORD)*(volatile BYTE*)((ptr)+1)<<8)|(WORD)*(volatile BYTE*)(ptr)) +#define LD_DWORD(ptr) (DWORD)(((DWORD)*(volatile BYTE*)((ptr)+3)<<24)|((DWORD)*(volatile BYTE*)((ptr)+2)<<16)|((WORD)*(volatile BYTE*)((ptr)+1)<<8)|*(volatile BYTE*)(ptr)) +#define ST_WORD(ptr,val) *(volatile BYTE*)(ptr)=(BYTE)(val); *(volatile BYTE*)((ptr)+1)=(BYTE)((WORD)(val)>>8) +#define ST_DWORD(ptr,val) *(volatile BYTE*)(ptr)=(BYTE)(val); *(volatile BYTE*)((ptr)+1)=(BYTE)((WORD)(val)>>8); *(volatile BYTE*)((ptr)+2)=(BYTE)((DWORD)(val)>>16); *(volatile BYTE*)((ptr)+3)=(BYTE)((DWORD)(val)>>24) #else #error Do not forget to set _MCU_ENDIAN properly! #endif
--- a/integer.h Tue Nov 20 12:19:46 2012 +0000 +++ b/integer.h Tue Jan 08 10:53:42 2013 +0000 @@ -5,23 +5,23 @@ #ifndef _INTEGER /* These types must be 16-bit, 32-bit or larger integer */ -typedef int INT; -typedef unsigned int UINT; +typedef int INT; +typedef unsigned int UINT; /* These types must be 8-bit integer */ -typedef signed char CHAR; -typedef unsigned char UCHAR; -typedef unsigned char BYTE; +typedef signed char CHAR; +typedef unsigned char UCHAR; +typedef unsigned char BYTE; /* These types must be 16-bit integer */ -typedef short SHORT; -typedef unsigned short USHORT; -typedef unsigned short WORD; +typedef short SHORT; +typedef unsigned short USHORT; +typedef unsigned short WORD; /* These types must be 32-bit integer */ -typedef long LONG; -typedef unsigned long ULONG; -typedef unsigned long DWORD; +typedef long LONG; +typedef unsigned long ULONG; +typedef unsigned long DWORD; /* Boolean type */ typedef enum { FALSE = 0, TRUE } BOOL;