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ql-excel committed Nov 19, 2021
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155 changes: 155 additions & 0 deletions 3.Software/ThermalCam/FATFS/00readme.txt
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FatFs Module Source Files R0.10a (C)ChaN, 2014


FILES

ffconf.h Configuration file for FatFs module.
ff.h Common include file for FatFs and application module.
ff.c FatFs module.
diskio.h Common include file for FatFs and disk I/O module.
diskio.c An example of glue function to attach existing disk I/O module to FatFs.
integer.h Integer type definitions for FatFs.
option Optional external functions.

Low level disk I/O module is not included in this archive because the FatFs
module is only a generic file system layer and not depend on any specific
storage device. You have to provide a low level disk I/O module that written
to control your storage device.



AGREEMENTS

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) 2014, ChaN, all right reserved.

* The 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 product UNDER YOUR RESPONSIBILITY.
* Redistributions of source code must retain the above copyright notice.



REVISION HISTORY

Feb 26, 2006 R0.00 Prototype

Apr 29, 2006 R0.01 First release.

Jun 01, 2006 R0.02 Added FAT12.
Removed unbuffered mode.
Fixed a problem on small (<32M) patition.

Jun 10, 2006 R0.02a Added a configuration option _FS_MINIMUM.

Sep 22, 2006 R0.03 Added f_rename.
Changed option _FS_MINIMUM to _FS_MINIMIZE.

Dec 11, 2006 R0.03a Improved cluster scan algolithm to write files fast.
Fixed f_mkdir creates incorrect directory on FAT32.

Feb 04, 2007 R0.04 Supported multiple drive system. (FatFs)
Changed some APIs for multiple drive system.
Added f_mkfs. (FatFs)
Added _USE_FAT32 option. (Tiny-FatFs)

Apr 01, 2007 R0.04a Supported multiple partitions on a plysical drive. (FatFs)
Fixed an endian sensitive code in f_mkfs. (FatFs)
Added a capability of extending the file size to f_lseek.
Added minimization level 3.
Fixed a problem that can collapse a sector when recreate an
existing file in any sub-directory at non FAT32 cfg. (Tiny-FatFs)

May 05, 2007 R0.04b Added _USE_NTFLAG option.
Added FSInfo support.
Fixed some problems corresponds to FAT32. (Tiny-FatFs)
Fixed DBCS name can result FR_INVALID_NAME.
Fixed short seek (0 < ofs <= csize) collapses the file object.

Aug 25, 2007 R0.05 Changed arguments of f_read, f_write.
Changed arguments of f_mkfs. (FatFs)
Fixed f_mkfs on FAT32 creates incorrect FSInfo. (FatFs)
Fixed f_mkdir on FAT32 creates incorrect directory. (FatFs)

Feb 03, 2008 R0.05a Added f_truncate().
Added f_utime().
Fixed off by one error at FAT sub-type determination.
Fixed btr in f_read() can be mistruncated.
Fixed cached sector is not flushed when create and close without write.

Apr 01, 2008 R0.06 Added f_forward(). (Tiny-FatFs)
Added string functions: fputc(), fputs(), fprintf() and fgets().
Improved performance of f_lseek() on move to the same or following cluster.

Apr 01, 2009, R0.07 Merged Tiny-FatFs as a buffer configuration option.
Added long file name support.
Added multiple code page support.
Added re-entrancy for multitask operation.
Added auto cluster size selection to f_mkfs().
Added rewind option to f_readdir().
Changed result code of critical errors.
Renamed string functions to avoid name collision.

Apr 14, 2009, R0.07a Separated out OS dependent code on reentrant cfg.
Added multiple sector size support.

Jun 21, 2009, R0.07c Fixed f_unlink() may return FR_OK on error.
Fixed wrong cache control in f_lseek().
Added relative path feature.
Added f_chdir().
Added f_chdrive().
Added proper case conversion for extended characters.

Nov 03, 2009 R0.07e Separated out configuration options from ff.h to ffconf.h.
Added a configuration option, _LFN_UNICODE.
Fixed f_unlink() fails to remove a sub-dir on _FS_RPATH.
Fixed name matching error on the 13 char boundary.
Changed f_readdir() to return the SFN with always upper case on non-LFN cfg.

May 15, 2010, R0.08 Added a memory configuration option. (_USE_LFN)
Added file lock feature. (_FS_SHARE)
Added fast seek feature. (_USE_FASTSEEK)
Changed some types on the API, XCHAR->TCHAR.
Changed fname member in the FILINFO structure on Unicode cfg.
String functions support UTF-8 encoding files on Unicode cfg.

Aug 16,'10 R0.08a Added f_getcwd(). (_FS_RPATH = 2)
Added sector erase feature. (_USE_ERASE)
Moved file lock semaphore table from fs object to the bss.
Fixed a wrong directory entry is created on non-LFN cfg when the given name contains ';'.
Fixed f_mkfs() creates wrong FAT32 volume.

Jan 15,'11 R0.08b Fast seek feature is also applied to f_read() and f_write().
f_lseek() reports required table size on creating CLMP.
Extended format syntax of f_printf function.
Ignores duplicated directory separators in given path names.

Sep 06,'11 R0.09 f_mkfs() supports multiple partition to finish the multiple partition feature.
Added f_fdisk(). (_MULTI_PARTITION = 2)

Aug 27,'12 R0.09a Fixed assertion failure due to OS/2 EA on FAT12/16.
Changed f_open() and f_opendir() reject null object pointer to avoid crash.
Changed option name _FS_SHARE to _FS_LOCK.

Jan 23,'13 R0.09b Added f_getlabel() and f_setlabel(). (_USE_LABEL)

Oct 02,'13 R0.10 Added selection of character encoding on the file. (_STRF_ENCODE)
Added f_closedir().
Added forced full FAT scan for f_getfree(). (_FS_NOFSINFO)
Added forced mount feature with changes of f_mount().
Improved behavior of volume auto detection.
Improved write throughput of f_puts() and f_printf().
Changed argument of f_chdrive(), f_mkfs(), disk_read() and disk_write().
Fixed f_write() can be truncated when the file size is close to 4GB.
Fixed f_open(), f_mkdir() and f_setlabel() can return incorrect error code.

Jan 15,'14 R0.10a Added arbitrary strings as drive number in the path name. (_STR_VOLUME_ID)
Added a configuration option of minimum sector size. (_MIN_SS)
2nd argument of f_rename() can have a drive number and it will be ignored.
Fixed f_mount() with forced mount fails when drive number is >= 1.
Fixed f_close() invalidates the file object without volume lock.
Fixed f_closedir() returns but the volume lock is left acquired.
Fixed creation of an entry with LFN fails on too many SFN collisions.
173 changes: 173 additions & 0 deletions 3.Software/ThermalCam/FATFS/diskio.c
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/*-----------------------------------------------------------------------*/
/* Low level disk I/O module skeleton for FatFs (C)ChaN, 2013 */
/*-----------------------------------------------------------------------*/
/* If a working storage control module is available, it should be */
/* attached to the FatFs via a glue function rather than modifying it. */
/* This is an example of glue functions to attach various exsisting */
/* storage control module to the FatFs module with a defined API. */
/*-----------------------------------------------------------------------*/

#include "diskio.h" /* FatFs lower layer API */
#include "gd25qxx.h"


#define EX_FLASH 0 //外部flash,卷标为1

#define FLASH_SECTOR_SIZE 512
#define FLASH_SECTOR_COUNT 32768
#define FLASH_BLOCK_SIZE 8 //每个BLOCK有8个扇区

//初始化磁盘
DSTATUS disk_initialize (
BYTE pdrv /* Physical drive nmuber (0..) */
)
{
uint8_t res=0;
switch(pdrv)
{
case EX_FLASH://外部flash
// spi_flash_init();
// FLASH_SECTOR_COUNT=9832; //W25Q64
break;
default:
res=1;
}
if(res)return STA_NOINIT;
else return 0; //初始化成功
}

//获得磁盘状态
DSTATUS disk_status (
BYTE pdrv /* Physical drive nmuber (0..) */
)
{
return 0;
}

//读扇区
//drv:磁盘编号0~9
//*buff:数据接收缓冲首地址
//sector:扇区地址
//count:需要读取的扇区数
DRESULT disk_read (
BYTE pdrv, /* Physical drive nmuber (0..) */
BYTE *buff, /* Data buffer to store read data */
DWORD sector, /* Sector address (LBA) */
UINT count /* Number of sectors to read (1..128) */
)
{
uint8_t res=0;
if (!count)return RES_PARERR;//count不能等于0，否则返回参数错误
switch(pdrv)
{
case EX_FLASH://外部flash
for(;count>0;count--)
{
SPI_Flash_Read(buff,sector*FLASH_SECTOR_SIZE,FLASH_SECTOR_SIZE);
sector++;
buff+=FLASH_SECTOR_SIZE;
}
res=0;
break;
default:
res=1;
}
//处理返回值，将SPI_SD_driver.c的返回值转成ff.c的返回值
if(res==0x00)return RES_OK;
else return RES_ERROR;
}

//写扇区
//drv:磁盘编号0~9
//*buff:发送数据首地址
//sector:扇区地址
//count:需要写入的扇区数
#if _USE_WRITE
DRESULT disk_write (
BYTE pdrv, /* Physical drive nmuber (0..) */
const BYTE *buff, /* Data to be written */
DWORD sector, /* Sector address (LBA) */
UINT count /* Number of sectors to write (1..128) */
)
{
uint8_t res=0;
if (!count)return RES_PARERR;//count不能等于0，否则返回参数错误
switch(pdrv)
{
case EX_FLASH://外部flash
for(;count>0;count--)
{
SPI_Flash_Write((uint8_t*)buff,sector*FLASH_SECTOR_SIZE,FLASH_SECTOR_SIZE);
sector++;
buff+=FLASH_SECTOR_SIZE;
}
res=0;
break;
default:
res=1;
}
//处理返回值，将SPI_SD_driver.c的返回值转成ff.c的返回值
if(res == 0x00)return RES_OK;
else return RES_ERROR;
}
#endif


//其他表参数的获得
//drv:磁盘编号0~9
//ctrl:控制代码
//*buff:发送/接收缓冲区指针
#if _USE_IOCTL
DRESULT disk_ioctl (
BYTE pdrv, /* Physical drive nmuber (0..) */
BYTE cmd, /* Control code */
void *buff /* Buffer to send/receive control data */
)
{
DRESULT res;

if(pdrv==EX_FLASH) //外部FLASH
{
switch(cmd)
{
case CTRL_SYNC:
res = RES_OK;
break;
case GET_SECTOR_SIZE:
*(WORD*)buff = FLASH_SECTOR_SIZE;
res = RES_OK;
break;
case GET_BLOCK_SIZE:
*(WORD*)buff = FLASH_BLOCK_SIZE;
res = RES_OK;
break;
case GET_SECTOR_COUNT:
*(DWORD*)buff = FLASH_SECTOR_COUNT;
res = RES_OK;
break;
default:
res = RES_PARERR;
break;
}
}else res=RES_ERROR;//其他的不支持
return res;
}
#endif
//获得时间
//User defined function to give a current time to fatfs module */
//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)
{
return 0;
}
//动态分配内存
void *ff_memalloc (UINT size)
{
// return (void*)mymalloc(size);
}
//释放内存
void ff_memfree (void* mf)
{
// myfree(mf);
}
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