Add svn:eol-style property to source files, so that the line endings are correctly converted to the target system's native end of line style.
This commit is contained in:
Dean Camera
parent
e331b531c6
commit
071e02c6b6
839 changed files with 274562 additions and 274562 deletions
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@ -1,36 +1,36 @@
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Petit FatFs Module Source Files R0.01a (C)ChaN, 2010
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FILES
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pff.h Common include file for Petit FatFs and application module.
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pff.c Petit FatFs module.
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diskio.h Common include file for Petit FatFs and disk I/O module.
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diskio.c Skeleton of low level disk I/O module.
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integer.h Alternative type definitions for integer variables.
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Low level disk I/O module is not included in this archive because the Petit
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FatFs module is only a generic file system layer and not depend on any
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specific storage device. You have to provide a low level disk I/O module that
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written to control your storage device.
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AGREEMENTS
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Petit FatFs module is an open source software to implement FAT file system to
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small embedded systems. This is a free software and is opened for education,
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research and commercial developments under license policy of following trems.
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Copyright (C) 2010, ChaN, all right reserved.
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* The Petit FatFs module is a free software and there is NO WARRANTY.
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* No restriction on use. You can use, modify and redistribute it for
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personal, non-profit or commercial use UNDER YOUR RESPONSIBILITY.
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* Redistributions of source code must retain the above copyright notice.
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REVISION HISTORY
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Jun 15, 2010 R0.01a First release (Branched from FatFs R0.07b)
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Petit FatFs Module Source Files R0.01a (C)ChaN, 2010
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FILES
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pff.h Common include file for Petit FatFs and application module.
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pff.c Petit FatFs module.
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diskio.h Common include file for Petit FatFs and disk I/O module.
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diskio.c Skeleton of low level disk I/O module.
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integer.h Alternative type definitions for integer variables.
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Low level disk I/O module is not included in this archive because the Petit
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FatFs module is only a generic file system layer and not depend on any
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specific storage device. You have to provide a low level disk I/O module that
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written to control your storage device.
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AGREEMENTS
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Petit FatFs module is an open source software to implement FAT file system to
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small embedded systems. This is a free software and is opened for education,
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research and commercial developments under license policy of following trems.
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Copyright (C) 2010, ChaN, all right reserved.
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* The Petit FatFs module is a free software and there is NO WARRANTY.
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* No restriction on use. You can use, modify and redistribute it for
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personal, non-profit or commercial use UNDER YOUR RESPONSIBILITY.
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* Redistributions of source code must retain the above copyright notice.
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REVISION HISTORY
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Jun 15, 2010 R0.01a First release (Branched from FatFs R0.07b)
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@ -1,57 +1,57 @@
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/*-----------------------------------------------------------------------*/
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/* Low level disk I/O module skeleton for Petit FatFs (C)ChaN, 2010 */
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/*-----------------------------------------------------------------------*/
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#include "diskio.h"
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#include <string.h>
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#include <LUFA/Drivers/USB/Class/MassStorage.h>
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#include "../DataflashManager.h"
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#include "../../DiskHost.h"
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/*-----------------------------------------------------------------------*/
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/* Initialize Disk Drive */
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/*-----------------------------------------------------------------------*/
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DSTATUS disk_initialize (void)
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{
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return RES_OK;
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}
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/*-----------------------------------------------------------------------*/
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/* Read Partial Sector */
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/*-----------------------------------------------------------------------*/
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DRESULT disk_readp (
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void* dest, /* Pointer to the destination object */
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DWORD sector, /* Sector number (LBA) */
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WORD sofs, /* Offset in the sector */
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WORD count /* Byte count (bit15:destination) */
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)
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{
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DRESULT ErrorCode = RES_OK;
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uint8_t BlockTemp[512];
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if (USB_CurrentMode == USB_MODE_HOST)
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{
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#if defined(USB_CAN_BE_HOST)
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if (USB_HostState != HOST_STATE_Configured)
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ErrorCode = RES_NOTRDY;
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else if (MS_Host_ReadDeviceBlocks(&DiskHost_MS_Interface, 0, sector, 1, 512, BlockTemp))
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ErrorCode = RES_ERROR;
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#endif
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}
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else
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{
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#if defined(USB_CAN_BE_DEVICE)
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DataflashManager_ReadBlocks_RAM(sector, 1, BlockTemp);
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#endif
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}
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memcpy(dest, &BlockTemp[sofs], count);
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return ErrorCode;
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}
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/*-----------------------------------------------------------------------*/
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/* Low level disk I/O module skeleton for Petit FatFs (C)ChaN, 2010 */
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/*-----------------------------------------------------------------------*/
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#include "diskio.h"
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#include <string.h>
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#include <LUFA/Drivers/USB/Class/MassStorage.h>
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#include "../DataflashManager.h"
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#include "../../DiskHost.h"
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/*-----------------------------------------------------------------------*/
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/* Initialize Disk Drive */
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/*-----------------------------------------------------------------------*/
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DSTATUS disk_initialize (void)
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{
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return RES_OK;
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}
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/*-----------------------------------------------------------------------*/
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/* Read Partial Sector */
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/*-----------------------------------------------------------------------*/
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DRESULT disk_readp (
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void* dest, /* Pointer to the destination object */
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DWORD sector, /* Sector number (LBA) */
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WORD sofs, /* Offset in the sector */
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WORD count /* Byte count (bit15:destination) */
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)
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{
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DRESULT ErrorCode = RES_OK;
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uint8_t BlockTemp[512];
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if (USB_CurrentMode == USB_MODE_HOST)
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{
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#if defined(USB_CAN_BE_HOST)
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if (USB_HostState != HOST_STATE_Configured)
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ErrorCode = RES_NOTRDY;
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else if (MS_Host_ReadDeviceBlocks(&DiskHost_MS_Interface, 0, sector, 1, 512, BlockTemp))
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ErrorCode = RES_ERROR;
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#endif
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}
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else
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{
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#if defined(USB_CAN_BE_DEVICE)
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DataflashManager_ReadBlocks_RAM(sector, 1, BlockTemp);
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#endif
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}
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memcpy(dest, &BlockTemp[sofs], count);
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return ErrorCode;
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}
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/*-----------------------------------------------------------------------
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/ PFF - Low level disk interface modlue include file (C)ChaN, 2010
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/-----------------------------------------------------------------------*/
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#ifndef _DISKIO
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#include "integer.h"
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/* Status of Disk Functions */
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typedef BYTE DSTATUS;
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/* Results of Disk Functions */
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typedef enum {
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RES_OK = 0, /* 0: Function succeeded */
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RES_ERROR, /* 1: Disk error */
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RES_STRERR, /* 2: Seream error */
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RES_NOTRDY, /* 3: Not ready */
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RES_PARERR /* 4: Invalid parameter */
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} DRESULT;
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/*---------------------------------------*/
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/* Prototypes for disk control functions */
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DSTATUS disk_initialize (void);
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DRESULT disk_readp (void*, DWORD, WORD, WORD);
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BOOL assign_drives (int argc, char *argv[]);
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#define STA_NOINIT 0x01 /* Drive not initialized */
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#define STA_NODISK 0x02 /* No medium in the drive */
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#define _DISKIO
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#endif
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/*-----------------------------------------------------------------------
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/ PFF - Low level disk interface modlue include file (C)ChaN, 2010
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/-----------------------------------------------------------------------*/
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#ifndef _DISKIO
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#include "integer.h"
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/* Status of Disk Functions */
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typedef BYTE DSTATUS;
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/* Results of Disk Functions */
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typedef enum {
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RES_OK = 0, /* 0: Function succeeded */
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RES_ERROR, /* 1: Disk error */
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RES_STRERR, /* 2: Seream error */
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RES_NOTRDY, /* 3: Not ready */
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RES_PARERR /* 4: Invalid parameter */
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} DRESULT;
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/*---------------------------------------*/
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/* Prototypes for disk control functions */
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DSTATUS disk_initialize (void);
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DRESULT disk_readp (void*, DWORD, WORD, WORD);
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BOOL assign_drives (int argc, char *argv[]);
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#define STA_NOINIT 0x01 /* Drive not initialized */
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#define STA_NODISK 0x02 /* No medium in the drive */
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#define _DISKIO
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#endif
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@ -1,37 +1,37 @@
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/*-------------------------------------------*/
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/* Integer type definitions for FatFs module */
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/*-------------------------------------------*/
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#ifndef _INTEGER
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#if 0
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#include <windows.h>
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#else
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/* These types must be 16-bit, 32-bit or larger integer */
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typedef int INT;
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typedef unsigned int UINT;
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/* These types must be 8-bit integer */
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typedef signed char CHAR;
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typedef unsigned char UCHAR;
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typedef unsigned char BYTE;
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/* These types must be 16-bit integer */
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typedef short SHORT;
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typedef unsigned short USHORT;
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typedef unsigned short WORD;
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typedef unsigned short WCHAR;
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/* These types must be 32-bit integer */
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typedef long LONG;
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typedef unsigned long ULONG;
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typedef unsigned long DWORD;
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/* Boolean type */
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typedef enum { FALSE = 0, TRUE } BOOL;
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#endif
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#define _INTEGER
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#endif
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/*-------------------------------------------*/
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/* Integer type definitions for FatFs module */
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/*-------------------------------------------*/
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#ifndef _INTEGER
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#if 0
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#include <windows.h>
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#else
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/* These types must be 16-bit, 32-bit or larger integer */
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typedef int INT;
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typedef unsigned int UINT;
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/* These types must be 8-bit integer */
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typedef signed char CHAR;
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typedef unsigned char UCHAR;
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typedef unsigned char BYTE;
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/* These types must be 16-bit integer */
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typedef short SHORT;
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typedef unsigned short USHORT;
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typedef unsigned short WORD;
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typedef unsigned short WCHAR;
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/* These types must be 32-bit integer */
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typedef long LONG;
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typedef unsigned long ULONG;
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typedef unsigned long DWORD;
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/* Boolean type */
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typedef enum { FALSE = 0, TRUE } BOOL;
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#endif
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#define _INTEGER
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#endif
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File diff suppressed because it is too large
Load diff
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@ -1,237 +1,237 @@
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/*---------------------------------------------------------------------------/
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/ Petit FatFs - FAT file system module include file R0.01a (C)ChaN, 2010
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/----------------------------------------------------------------------------/
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/ Petit FatFs module is an open source software to implement FAT file system to
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/ small embedded systems. This is a free software and is opened for education,
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/ research and commercial developments under license policy of following trems.
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/
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/ Copyright (C) 2010, ChaN, all right reserved.
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/
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/ * The Petit FatFs module is a free software and there is NO WARRANTY.
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/ * No restriction on use. You can use, modify and redistribute it for
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/ personal, non-profit or commercial use UNDER YOUR RESPONSIBILITY.
|
||||
/ * Redistributions of source code must retain the above copyright notice.
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/----------------------------------------------------------------------------*/
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#include "integer.h"
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/*---------------------------------------------------------------------------/
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/ Petit FatFs Configuration Options
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/
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/ CAUTION! Do not forget to make clean the project after any changes to
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/ the configuration options.
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/
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/----------------------------------------------------------------------------*/
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#ifndef _FATFS
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#define _FATFS
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#define _WORD_ACCESS 0
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/* The _WORD_ACCESS option defines which access method is used to the word
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/ data in the FAT structure.
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/
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/ 0: Byte-by-byte access. Always compatible with all platforms.
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/ 1: Word access. Do not choose this unless following condition is met.
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/
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/ When the byte order on the memory is big-endian or address miss-aligned
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/ word access results incorrect behavior, the _WORD_ACCESS must be set to 0.
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/ If it is not the case, the value can also be set to 1 to improve the
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/ performance and code efficiency. */
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#define _USE_DIR 0
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/* To enable pf_opendir and pf_readdir function, set _USE_DIR to 1. */
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#define _USE_LSEEK 0
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/* To enable pf_lseek function, set _USE_LSEEK to 1. */
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#define _FS_FAT32 1
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/* To enable FAT32 support, set _FS_FAT32 to 1. */
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/* End of configuration options. Do not change followings without care. */
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/*--------------------------------------------------------------------------*/
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#if _FS_FAT32
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#define CLUST DWORD
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#else
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#define CLUST WORD
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#endif
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/* File system object structure */
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typedef struct _FATFS_ {
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BYTE fs_type; /* FAT sub type */
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BYTE csize; /* Number of sectors per cluster */
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BYTE flag; /* File status flags */
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BYTE csect; /* File sector address in the cluster */
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WORD n_rootdir; /* Number of root directory entries (0 on FAT32) */
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BYTE* buf; /* Pointer to the disk access buffer */
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CLUST max_clust; /* Maximum cluster# + 1. Number of clusters is max_clust - 2 */
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DWORD fatbase; /* FAT start sector */
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DWORD dirbase; /* Root directory start sector (Cluster# on FAT32) */
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DWORD database; /* Data start sector */
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DWORD fptr; /* File R/W pointer */
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DWORD fsize; /* File size */
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CLUST org_clust; /* File start cluster */
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CLUST curr_clust; /* File current cluster */
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DWORD dsect; /* File current data sector */
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} FATFS;
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/* Directory object structure */
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typedef struct _DIR_ {
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WORD index; /* Current read/write index number */
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BYTE* fn; /* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */
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CLUST sclust; /* Table start cluster (0:Static table) */
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CLUST clust; /* Current cluster */
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DWORD sect; /* Current sector */
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} DIR;
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/* File status structure */
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typedef struct _FILINFO_ {
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DWORD fsize; /* File size */
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WORD fdate; /* Last modified date */
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WORD ftime; /* Last modified time */
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BYTE fattrib; /* Attribute */
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char fname[13]; /* File name */
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} FILINFO;
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/* File function return code (FRESULT) */
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typedef enum {
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FR_OK = 0, /* 0 */
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FR_DISK_ERR, /* 1 */
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FR_NOT_READY, /* 2 */
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FR_NO_FILE, /* 3 */
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FR_NO_PATH, /* 4 */
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FR_INVALID_NAME, /* 5 */
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FR_STREAM_ERR, /* 6 */
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FR_INVALID_OBJECT, /* 7 */
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FR_NOT_ENABLED, /* 8 */
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FR_NO_FILESYSTEM /* 9 */
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} FRESULT;
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/*--------------------------------------------------------------*/
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/* Petit FatFs module application interface */
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FRESULT pf_mount (FATFS*); /* Mount/Unmount a logical drive */
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FRESULT pf_open (const char*); /* Open a file */
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FRESULT pf_read (void*, WORD, WORD*); /* Read data from a file */
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FRESULT pf_lseek (DWORD); /* Move file pointer of a file object */
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FRESULT pf_opendir (DIR*, const char*); /* Open an existing directory */
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FRESULT pf_readdir (DIR*, FILINFO*); /* Read a directory item */
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/*--------------------------------------------------------------*/
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/* Flags and offset address */
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/* File status flag (FATFS.flag) */
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#define FA_READ 0x01
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#define FA_STREAM 0x40
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#define FA__ERROR 0x80
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/* FAT sub type (FATFS.fs_type) */
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#define FS_FAT12 1
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#define FS_FAT16 2
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#define FS_FAT32 3
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/* File attribute bits for directory entry */
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#define AM_RDO 0x01 /* Read only */
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#define AM_HID 0x02 /* Hidden */
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#define AM_SYS 0x04 /* System */
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#define AM_VOL 0x08 /* Volume label */
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#define AM_LFN 0x0F /* LFN entry */
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#define AM_DIR 0x10 /* Directory */
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#define AM_ARC 0x20 /* Archive */
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#define AM_MASK 0x3F /* Mask of defined bits */
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/* FatFs refers the members in the FAT structures with byte offset instead
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/ of structure member because there are incompatibility of the packing option
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/ between various compilers. */
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#define BS_jmpBoot 0
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#define BS_OEMName 3
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#define BPB_BytsPerSec 11
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#define BPB_SecPerClus 13
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#define BPB_RsvdSecCnt 14
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#define BPB_NumFATs 16
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#define BPB_RootEntCnt 17
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#define BPB_TotSec16 19
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#define BPB_Media 21
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#define BPB_FATSz16 22
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#define BPB_SecPerTrk 24
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#define BPB_NumHeads 26
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#define BPB_HiddSec 28
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#define BPB_TotSec32 32
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#define BS_55AA 510
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#define BS_DrvNum 36
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#define BS_BootSig 38
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#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 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
|
||||
|
||||
|
||||
|
||||
/*--------------------------------*/
|
||||
/* Multi-byte word access macros */
|
||||
|
||||
#if _WORD_ACCESS == 1 /* Enable word access to the FAT structure */
|
||||
#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)
|
||||
#else /* Use byte-by-byte access to the FAT structure */
|
||||
#define LD_WORD(ptr) (WORD)(((WORD)*(BYTE*)((ptr)+1)<<8)|(WORD)*(BYTE*)(ptr))
|
||||
#define LD_DWORD(ptr) (DWORD)(((DWORD)*(BYTE*)((ptr)+3)<<24)|((DWORD)*(BYTE*)((ptr)+2)<<16)|((WORD)*(BYTE*)((ptr)+1)<<8)|*(BYTE*)(ptr))
|
||||
#define ST_WORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *(BYTE*)((ptr)+1)=(BYTE)((WORD)(val)>>8)
|
||||
#define ST_DWORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *(BYTE*)((ptr)+1)=(BYTE)((WORD)(val)>>8); *(BYTE*)((ptr)+2)=(BYTE)((DWORD)(val)>>16); *(BYTE*)((ptr)+3)=(BYTE)((DWORD)(val)>>24)
|
||||
#endif
|
||||
|
||||
|
||||
#endif /* _FATFS */
|
||||
/*---------------------------------------------------------------------------/
|
||||
/ Petit FatFs - FAT file system module include file R0.01a (C)ChaN, 2010
|
||||
/----------------------------------------------------------------------------/
|
||||
/ Petit FatFs module is an open source software to implement FAT file system to
|
||||
/ small embedded systems. This is a free software and is opened for education,
|
||||
/ research and commercial developments under license policy of following trems.
|
||||
/
|
||||
/ Copyright (C) 2010, ChaN, all right reserved.
|
||||
/
|
||||
/ * The Petit FatFs module is a free software and there is NO WARRANTY.
|
||||
/ * No restriction on use. You can use, modify and redistribute it for
|
||||
/ personal, non-profit or commercial use UNDER YOUR RESPONSIBILITY.
|
||||
/ * Redistributions of source code must retain the above copyright notice.
|
||||
/----------------------------------------------------------------------------*/
|
||||
|
||||
#include "integer.h"
|
||||
|
||||
/*---------------------------------------------------------------------------/
|
||||
/ Petit FatFs Configuration Options
|
||||
/
|
||||
/ CAUTION! Do not forget to make clean the project after any changes to
|
||||
/ the configuration options.
|
||||
/
|
||||
/----------------------------------------------------------------------------*/
|
||||
#ifndef _FATFS
|
||||
#define _FATFS
|
||||
|
||||
#define _WORD_ACCESS 0
|
||||
/* The _WORD_ACCESS option defines which access method is used to the word
|
||||
/ data in the FAT structure.
|
||||
/
|
||||
/ 0: Byte-by-byte access. Always compatible with all platforms.
|
||||
/ 1: Word access. Do not choose this unless following condition is met.
|
||||
/
|
||||
/ When the byte order on the memory is big-endian or address miss-aligned
|
||||
/ word access results incorrect behavior, the _WORD_ACCESS must be set to 0.
|
||||
/ If it is not the case, the value can also be set to 1 to improve the
|
||||
/ performance and code efficiency. */
|
||||
|
||||
|
||||
#define _USE_DIR 0
|
||||
/* To enable pf_opendir and pf_readdir function, set _USE_DIR to 1. */
|
||||
|
||||
|
||||
#define _USE_LSEEK 0
|
||||
/* To enable pf_lseek function, set _USE_LSEEK to 1. */
|
||||
|
||||
|
||||
#define _FS_FAT32 1
|
||||
/* To enable FAT32 support, set _FS_FAT32 to 1. */
|
||||
|
||||
|
||||
/* End of configuration options. Do not change followings without care. */
|
||||
/*--------------------------------------------------------------------------*/
|
||||
|
||||
|
||||
#if _FS_FAT32
|
||||
#define CLUST DWORD
|
||||
#else
|
||||
#define CLUST WORD
|
||||
#endif
|
||||
|
||||
|
||||
/* File system object structure */
|
||||
|
||||
typedef struct _FATFS_ {
|
||||
BYTE fs_type; /* FAT sub type */
|
||||
BYTE csize; /* Number of sectors per cluster */
|
||||
BYTE flag; /* File status flags */
|
||||
BYTE csect; /* File sector address in the cluster */
|
||||
WORD n_rootdir; /* Number of root directory entries (0 on FAT32) */
|
||||
BYTE* buf; /* Pointer to the disk access buffer */
|
||||
CLUST max_clust; /* Maximum cluster# + 1. Number of clusters is max_clust - 2 */
|
||||
DWORD fatbase; /* FAT start sector */
|
||||
DWORD dirbase; /* Root directory start sector (Cluster# on FAT32) */
|
||||
DWORD database; /* Data start sector */
|
||||
DWORD fptr; /* File R/W pointer */
|
||||
DWORD fsize; /* File size */
|
||||
CLUST org_clust; /* File start cluster */
|
||||
CLUST curr_clust; /* File current cluster */
|
||||
DWORD dsect; /* File current data sector */
|
||||
} FATFS;
|
||||
|
||||
|
||||
|
||||
/* Directory object structure */
|
||||
|
||||
typedef struct _DIR_ {
|
||||
WORD index; /* Current read/write index number */
|
||||
BYTE* fn; /* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */
|
||||
CLUST sclust; /* Table start cluster (0:Static table) */
|
||||
CLUST clust; /* Current cluster */
|
||||
DWORD sect; /* Current sector */
|
||||
} DIR;
|
||||
|
||||
|
||||
|
||||
/* File status structure */
|
||||
|
||||
typedef struct _FILINFO_ {
|
||||
DWORD fsize; /* File size */
|
||||
WORD fdate; /* Last modified date */
|
||||
WORD ftime; /* Last modified time */
|
||||
BYTE fattrib; /* Attribute */
|
||||
char fname[13]; /* File name */
|
||||
} FILINFO;
|
||||
|
||||
|
||||
|
||||
/* File function return code (FRESULT) */
|
||||
|
||||
typedef enum {
|
||||
FR_OK = 0, /* 0 */
|
||||
FR_DISK_ERR, /* 1 */
|
||||
FR_NOT_READY, /* 2 */
|
||||
FR_NO_FILE, /* 3 */
|
||||
FR_NO_PATH, /* 4 */
|
||||
FR_INVALID_NAME, /* 5 */
|
||||
FR_STREAM_ERR, /* 6 */
|
||||
FR_INVALID_OBJECT, /* 7 */
|
||||
FR_NOT_ENABLED, /* 8 */
|
||||
FR_NO_FILESYSTEM /* 9 */
|
||||
} FRESULT;
|
||||
|
||||
|
||||
|
||||
/*--------------------------------------------------------------*/
|
||||
/* Petit FatFs module application interface */
|
||||
|
||||
FRESULT pf_mount (FATFS*); /* Mount/Unmount a logical drive */
|
||||
FRESULT pf_open (const char*); /* Open a file */
|
||||
FRESULT pf_read (void*, WORD, WORD*); /* Read data from a file */
|
||||
FRESULT pf_lseek (DWORD); /* Move file pointer of a file object */
|
||||
FRESULT pf_opendir (DIR*, const char*); /* Open an existing directory */
|
||||
FRESULT pf_readdir (DIR*, FILINFO*); /* Read a directory item */
|
||||
|
||||
|
||||
|
||||
/*--------------------------------------------------------------*/
|
||||
/* Flags and offset address */
|
||||
|
||||
/* File status flag (FATFS.flag) */
|
||||
|
||||
#define FA_READ 0x01
|
||||
#define FA_STREAM 0x40
|
||||
#define FA__ERROR 0x80
|
||||
|
||||
|
||||
/* FAT sub type (FATFS.fs_type) */
|
||||
|
||||
#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_MASK 0x3F /* Mask of defined bits */
|
||||
|
||||
|
||||
/* FatFs refers the members in the FAT structures with byte offset instead
|
||||
/ of structure member because there are incompatibility of the packing option
|
||||
/ between various compilers. */
|
||||
|
||||
#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 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 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
|
||||
|
||||
|
||||
|
||||
/*--------------------------------*/
|
||||
/* Multi-byte word access macros */
|
||||
|
||||
#if _WORD_ACCESS == 1 /* Enable word access to the FAT structure */
|
||||
#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)
|
||||
#else /* Use byte-by-byte access to the FAT structure */
|
||||
#define LD_WORD(ptr) (WORD)(((WORD)*(BYTE*)((ptr)+1)<<8)|(WORD)*(BYTE*)(ptr))
|
||||
#define LD_DWORD(ptr) (DWORD)(((DWORD)*(BYTE*)((ptr)+3)<<24)|((DWORD)*(BYTE*)((ptr)+2)<<16)|((WORD)*(BYTE*)((ptr)+1)<<8)|*(BYTE*)(ptr))
|
||||
#define ST_WORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *(BYTE*)((ptr)+1)=(BYTE)((WORD)(val)>>8)
|
||||
#define ST_DWORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *(BYTE*)((ptr)+1)=(BYTE)((WORD)(val)>>8); *(BYTE*)((ptr)+2)=(BYTE)((DWORD)(val)>>16); *(BYTE*)((ptr)+3)=(BYTE)((DWORD)(val)>>24)
|
||||
#endif
|
||||
|
||||
|
||||
#endif /* _FATFS */
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue