FATFS在STM32上特别是由CubeMX工具移植变得简单，相对在其他芯片平台没有这个工具时，清晰的了解移植的方法步骤变得更加重要了。
FATFS移植需要做的：
本工程，使用W25Q16BVspi flash芯片，所以移植SFUD完善对FLASH的操作接口
本工程源码
port目录下皆是需要修改的的文件，diskio.c需配合disk_port.c做出微调，其他无需修改
diskio.c调整如下：
包含驱动接口头文件disk_port.h
调用disk_drv_array里的相关函数
/*-----------------------------------------------------------------------*/
/* Low level disk I/O module SKELETON for FatFs (C)ChaN, 2019 */
/*-----------------------------------------------------------------------*/
/* 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 modules to the FatFs module with a defined API. */
/*-----------------------------------------------------------------------*/
#include "ff.h" /* Obtains integer types */
#include "diskio.h" /* Declarations of disk functions */
#include "disk_port.h"
/*-----------------------------------------------------------------------*/
/* Get Drive Status */
/*-----------------------------------------------------------------------*/
DSTATUS disk_status (
BYTE pdrv /* Physical drive nmuber to identify the drive */
)
{
return disk_drv_array[pdrv].get_disk_status_port();
}
/*-----------------------------------------------------------------------*/
/* Inidialize a Drive */
/*-----------------------------------------------------------------------*/
DSTATUS disk_initialize (
BYTE pdrv /* Physical drive nmuber to identify the drive */
)
{
return disk_drv_array[pdrv].disk_init_port();
}
/*-----------------------------------------------------------------------*/
/* Read Sector(s) */
/*-----------------------------------------------------------------------*/
DRESULT disk_read (
BYTE pdrv, /* Physical drive nmuber to identify the drive */
BYTE *buff, /* Data buffer to store read data */
LBA_t sector, /* Start sector in LBA */
UINT count /* Number of sectors to read */
)
{
return disk_drv_array[pdrv].disk_read_port(buff, sector, count);
}
/*-----------------------------------------------------------------------*/
/* Write Sector(s) */
/*-----------------------------------------------------------------------*/
#if FF_FS_READONLY == 0
DRESULT disk_write (
BYTE pdrv, /* Physical drive nmuber to identify the drive */
const BYTE *buff, /* Data to be written */
LBA_t sector, /* Start sector in LBA */
UINT count /* Number of sectors to write */
)
{
return disk_drv_array[pdrv].disk_write_port(buff, sector, count);
}
#endif
/*-----------------------------------------------------------------------*/
/* Miscellaneous Functions */
/*-----------------------------------------------------------------------*/
DRESULT disk_ioctl (
BYTE pdrv, /* Physical drive nmuber (0..) */
BYTE cmd, /* Control code */
void *buff /* Buffer to send/receive control data */
)
{
return disk_drv_array[pdrv].disk_ioctl_port(cmd, buff);
}
disk_port.c磁盘驱动接口
/**
* @file disk_port.c
*
* @date 2021-01-05
*
* @author aron566
*
* @copyright None.
*
* @brief 磁盘接口驱动映射
*
* @details None.
*
* @version V1.0
*/
#ifdef __cplusplus ///<use C compiler
extern "C" {
#endif
/** Includes -----------------------------------------------------------------*/
/* Private includes ----------------------------------------------------------*/
#include "disk_port.h"
#include "rtc_opt.h"
/** Privated typedef ----------------------------------------------------------*/
/** Private macros -----------------------------------------------------------*/
/** Private constants --------------------------------------------------------*/
/** Private variables --------------------------------------------------------*/
/** Private function prototypes ----------------------------------------------*/
/** Private user code --------------------------------------------------------*/
/**
* @defgroup SPI FLASH DRIVE FUNC
* @{
*/
static DSTATUS spi_flash_disk_status(void);
static DSTATUS spi_flash_disk_initialize(void);
static DRESULT spi_flash_disk_read(BYTE *buff, LBA_t sector, UINT count);
static DRESULT spi_flash_disk_write(const BYTE *buff, LBA_t sector, UINT count);
static DRESULT spi_flash_disk_ioctl(BYTE cmd, void *buff);
/** @}*/
/** Public variables ---------------------------------------------------------*/
DISK_DRV_FUNC_MAP_Typedef_t disk_drv_array[DEV_TYPE_MAX] =
{
[DEV_SPI_FLASH] = {
.get_disk_status_port = spi_flash_disk_status,
.disk_init_port = spi_flash_disk_initialize,
.disk_read_port = spi_flash_disk_read,
.disk_write_port = spi_flash_disk_write,
.disk_ioctl_port = spi_flash_disk_ioctl
},
};
osMutexDef_t disk_mutex_array[DEV_TYPE_MAX] = {0};
/** Private application code -------------------------------------------------*/
/*******************************************************************************
*
* Static code
*
********************************************************************************
*/
/**
******************************************************************
* @brief spi磁盘状态读取
* @param [in]None
* @return 1 Drive not initialized 2 No medium in the drive 4 Write protected
* @author aron566
* @version V1.0
* @date 2020-01-04
******************************************************************
*/
static DSTATUS spi_flash_disk_status(void)
{
sfud_flash *flash = sfud_get_device(SFUD_W25Q16BV_DEVICE_INDEX);
if(flash == NULL)
{
return STA_NOINIT;
}
uint8_t status;
sfud_read_status(flash, &status);
return (DSTATUS)status;
}
/**
******************************************************************
* @brief spi磁盘初始化
* @param [in]None
* @return 0 OK 1 Drive not initialized 2 No medium in the drive 4 Write protected
* @author aron566
* @version V1.0
* @date 2020-01-04
******************************************************************
*/
static DSTATUS spi_flash_disk_initialize(void)
{
sfud_flash *flash = sfud_get_device(SFUD_W25Q16BV_DEVICE_INDEX);
if(flash == NULL)
{
return STA_NOINIT;
}
sfud_err result = sfud_device_init(flash);
if(result != SFUD_SUCCESS)
{
return STA_NOINIT;
}
return 0;
}
/**
******************************************************************
* @brief spi磁盘读取指定扇区数的数据到缓冲区
* @param [out]buff 缓冲区
* @param [in]sector 起始扇区号
* @param [in]count 扇区数
* @return 0: Successful 1: R/W Error 2: Write Protected 3: Not Ready 4: Invalid Parameter
* @author aron566
* @version V1.0
* @date 2020-01-04
******************************************************************
*/
static DRESULT spi_flash_disk_read(BYTE *buff, LBA_t sector, UINT count)
{
sfud_flash *flash = sfud_get_device(SFUD_W25Q16BV_DEVICE_INDEX);
if(flash == NULL)
{
return RES_PARERR;
}
sfud_err result = sfud_read(flash, sector*512, 512*count, (uint8_t *)buff);
if(result != SFUD_SUCCESS)
{
return RES_ERROR;
}
return RES_OK;
}
/**
******************************************************************
* @brief spi磁盘写入数据到指定扇区数
* @param [in]buff
* @param [in]sector
* @param [in]count
* @return 0: Successful 1: R/W Error 2: Write Protected 3: Not Ready 4: Invalid Parameter
* @author aron566
* @version V1.0
* @date 2020-01-04
******************************************************************
*/
static DRESULT spi_flash_disk_write(const BYTE *buff, LBA_t sector, UINT count)
{
sfud_flash *flash = sfud_get_device(SFUD_W25Q16BV_DEVICE_INDEX);
if(flash == NULL)
{
return RES_PARERR;
}
sfud_err result = sfud_erase_write(flash, sector*512, 512*count, (const uint8_t *)buff);
if(result != SFUD_SUCCESS)
{
return RES_ERROR;
}
return RES_OK;
}
/**
******************************************************************
* @brief spi磁盘特殊操作
* @param [in]cmd
* @param [in]buff
* @return 0: Successful 1: R/W Error 2: Write Protected 3: Not Ready 4: Invalid Parameter
* @author aron566
* @version V1.0
* @date 2020-01-04
******************************************************************
*/
static DRESULT spi_flash_disk_ioctl(BYTE cmd, void *buff)
{
//#define CTRL_SYNC 0 /* Complete pending write process (needed at FF_FS_READONLY == 0) */
//#define GET_SECTOR_COUNT 1 /* Get media size (needed at FF_USE_MKFS == 1) */
//#define GET_SECTOR_SIZE 2 /* Get sector size (needed at FF_MAX_SS != FF_MIN_SS) */
//#define GET_BLOCK_SIZE 3 /* Get erase block size (needed at FF_USE_MKFS == 1) */
//#define CTRL_TRIM 4 /* Inform device that the data on the block of sectors is no longer used (needed at FF_USE_TRIM == 1) */
switch(cmd)
{
case CTRL_SYNC:
return RES_OK;
case GET_SECTOR_COUNT:
*(DWORD*)buff = 4096;/**< PAGE SIZE:256,SECTOR SIZE:4KB,BLOCK SIZE:32/64KB,W25Q16BV TOTOAL SIZE:512*4KB*/
return RES_OK;
case GET_SECTOR_SIZE:
*(DWORD*)buff = FF_MAX_SS;/**< if use 512Byte then erase size is 2 PAGE SIZE, if use 4KB then erase size is 1 SECTOR SIZE.*/
return RES_OK;
case GET_BLOCK_SIZE:
*(DWORD*)buff = 1;/**< 擦除扇区的最小个数(1*512Byte = 2 PAGE SIZE),per 32K/64K block size to erase*/
return RES_OK;
case CTRL_TRIM:
return RES_PARERR;/**< 通知扇区数据不使用--未开启功能*/
default:
break;
}
return RES_PARERR;
}
/** Public application code --------------------------------------------------*/
/*******************************************************************************
*
* Public code
*
********************************************************************************
*/
/**
******************************************************************
* @brief 获取当前时间秒数
* @param [in]None
* @return s
* @author aron566
* @version V1.0
* @date 2020-01-04
******************************************************************
*/
DWORD disk_get_rtc_time_s(void)
{
return RTC_Current_Time_S();
}
#ifdef __cplusplus ///<end extern c
}
#endif
/******************************** End of file *********************************/
disk_port.h磁盘驱动接口
/**
* @file disk_port.h
*
* @date 2021-01-04
*
* @author aron566
*
* @brief 磁盘接口驱动
*
* @version V1.0
*/
#ifndef DISK_PORT_H
#define DISK_PORT_H
#ifdef __cplusplus ///<use C compiler
extern "C" {
#endif
/** Includes -----------------------------------------------------------------*/
#include <stdint.h> /**< nedd definition of uint8_t */
#include <stddef.h> /**< need definition of NULL */
#include <stdbool.h>/**< need definition of BOOL */
#include <stdio.h> /**< if need printf */
#include <stdlib.h>
#include <string.h>
#include <limits.h> /**< need variable max value */
/** Private includes ---------------------------------------------------------*/
#include "main.h"
#include "ff.h"
#include "diskio.h"
/** Private defines ----------------------------------------------------------*/
/** Exported typedefines -----------------------------------------------------*/
/*磁盘状态读取*/
typedef DSTATUS(*pdisk_status_func)(void);
/*磁盘初始化*/
typedef DSTATUS(*pdisk_initialize_func)(void);
/*磁盘读取数据*/
typedef DRESULT(*pdisk_read_func)(
BYTE *buff, /* Data buffer to store read data */
LBA_t sector, /* Start sector in LBA */
UINT count /* Number of sectors to read */
);
/*磁盘写入数据*/
typedef DRESULT (*pdisk_write_func)(
const BYTE *buff, /* Data to be written */
LBA_t sector, /* Start sector in LBA */
UINT count /* Number of sectors to write */
);
/*磁盘控制*/
typedef DRESULT (*pdisk_ioctl_func)(
BYTE cmd, /* Control code */
void *buff /* Buffer to send/receive control data */
);
typedef struct disk_drv
{
pdisk_status_func get_disk_status_port;
pdisk_initialize_func disk_init_port;
pdisk_read_func disk_read_port;
pdisk_write_func disk_write_port;
pdisk_ioctl_func disk_ioctl_port;
}DISK_DRV_FUNC_MAP_Typedef_t;
/** Exported constants -------------------------------------------------------*/
/** Exported macros-----------------------------------------------------------*/
/* Definitions of physical drive number for each drive */
#define DEV_RAM 0 /* Example: Map Ramdisk to physical drive 0 */
#define DEV_MMC 1 /* Example: Map MMC/SD card to physical drive 1 */
#define DEV_USB 2 /* Example: Map USB MSD to physical drive 2 */
#define DEV_SPI_FLASH 3
#define DEV_TYPE_MAX DEV_SPI_FLASH+1
/** Exported variables -------------------------------------------------------*/
extern DISK_DRV_FUNC_MAP_Typedef_t disk_drv_array[DEV_TYPE_MAX];/**< 磁盘设备驱动接口*/
extern osMutexDef_t disk_mutex_array[DEV_TYPE_MAX];/**< 磁盘同步锁*/
/** Exported functions prototypes --------------------------------------------*/
DWORD disk_get_rtc_time_s(void);
#ifdef __cplusplus ///<end extern c
}
#endif
#endif
/******************************** End of file *********************************/
ffsystem.cFATFS的信号量动态内存管理
/*------------------------------------------------------------------------*/
/* Sample Code of OS Dependent Functions for FatFs */
/* (C)ChaN, 2018 */
/*------------------------------------------------------------------------*/
#include "ff.h"
#include "disk_port.h"
#if FF_USE_LFN == 3 /* Dynamic memory allocation */
/*------------------------------------------------------------------------*/
/* Allocate a memory block */
/*------------------------------------------------------------------------*/
void* ff_memalloc ( /* Returns pointer to the allocated memory block (null if not enough core) */
UINT msize /* Number of bytes to allocate */
)
{
return pvPortMalloc(msize); /* Allocate a new memory block with POSIX API */
}
/*------------------------------------------------------------------------*/
/* Free a memory block */
/*------------------------------------------------------------------------*/
void ff_memfree (
void* mblock /* Pointer to the memory block to free (nothing to do if null) */
)
{
vPortFree(mblock); /* Free the memory block with POSIX API */
}
#endif
#if FF_FS_REENTRANT /* Mutal exclusion */
/*------------------------------------------------------------------------*/
/* Create a Synchronization Object */
/*------------------------------------------------------------------------*/
/* This function is called in f_mount() function to create a new
/ synchronization object for the volume, such as semaphore and mutex.
/ When a 0 is returned, the f_mount() function fails with FR_INT_ERR.
*/
//const osMutexDef_t Mutex[FF_VOLUMES]; /* Table of CMSIS-RTOS mutex */
int ff_cre_syncobj ( /* 1:Function succeeded, 0:Could not create the sync object */
BYTE vol, /* Corresponding volume (logical drive number) */
FF_SYNC_t* sobj /* Pointer to return the created sync object */
)
{
/* Win32 */
// *sobj = CreateMutex(NULL, FALSE, NULL);
// return (int)(*sobj != INVALID_HANDLE_VALUE);
/* uITRON */
// T_CSEM csem = {TA_TPRI,1,1};
// *sobj = acre_sem(&csem);
// return (int)(*sobj > 0);
/* uC/OS-II */
// OS_ERR err;
// *sobj = OSMutexCreate(0, &err);
// return (int)(err == OS_NO_ERR);
/* FreeRTOS */
// *sobj = xSemaphoreCreateMutex();
// return (int)(*sobj != NULL);
/* CMSIS-RTOS */
*sobj = osMutexNew(&disk_mutex_array[vol]);
return (int)(*sobj != NULL);
}
/*------------------------------------------------------------------------*/
/* Delete a Synchronization Object */
/*------------------------------------------------------------------------*/
/* This function is called in f_mount() function to delete a synchronization
/ object that created with ff_cre_syncobj() function. When a 0 is returned,
/ the f_mount() function fails with FR_INT_ERR.
*/
int ff_del_syncobj ( /* 1:Function succeeded, 0:Could not delete due to an error */
FF_SYNC_t sobj /* Sync object tied to the logical drive to be deleted */
)
{
/* Win32 */
// return (int)CloseHandle(sobj);
/* uITRON */
// return (int)(del_sem(sobj) == E_OK);
/* uC/OS-II */
// OS_ERR err;
// OSMutexDel(sobj, OS_DEL_ALWAYS, &err);
// return (int)(err == OS_NO_ERR);
/* FreeRTOS */
// vSemaphoreDelete(sobj);
// return 1;
/* CMSIS-RTOS */
return (int)(osMutexDelete(sobj) == osOK);
}
/*------------------------------------------------------------------------*/
/* Request Grant to Access the Volume */
/*------------------------------------------------------------------------*/
/* This function is called on entering file functions to lock the volume.
/ When a 0 is returned, the file function fails with FR_TIMEOUT.
*/
int ff_req_grant ( /* 1:Got a grant to access the volume, 0:Could not get a grant */
FF_SYNC_t sobj /* Sync object to wait */
)
{
/* Win32 */
// return (int)(WaitForSingleObject(sobj, FF_FS_TIMEOUT) == WAIT_OBJECT_0);
/* uITRON */
// return (int)(wai_sem(sobj) == E_OK);
/* uC/OS-II */
// OS_ERR err;
// OSMutexPend(sobj, FF_FS_TIMEOUT, &err));
// return (int)(err == OS_NO_ERR);
/* FreeRTOS */
// return (int)(xSemaphoreTake(sobj, FF_FS_TIMEOUT) == pdTRUE);
/* CMSIS-RTOS */
return (int)(osMutexWait(sobj, FF_FS_TIMEOUT) == osOK);
}
/*------------------------------------------------------------------------*/
/* Release Grant to Access the Volume */
/*------------------------------------------------------------------------*/
/* This function is called on leaving file functions to unlock the volume.
*/
void ff_rel_grant (
FF_SYNC_t sobj /* Sync object to be signaled */
)
{
/* Win32 */
// ReleaseMutex(sobj);
/* uITRON */
// sig_sem(sobj);
/* uC/OS-II */
// OSMutexPost(sobj);
/* FreeRTOS */
// xSemaphoreGive(sobj);
/* CMSIS-RTOS */
osMutexRelease(sobj);
}
#endif
#if !FF_FS_READONLY && !FF_FS_NORTC
/**
******************************************************************
* @brief 获取当前时间秒数
* @param [in]None
* @return s
* @author aron566
* @version V1.0
* @date 2020-01-04
******************************************************************
*/
DWORD get_fattime (void)
{
return disk_get_rtc_time_s();
}
#endif
ffconf.hFATFS配置文件
/*---------------------------------------------------------------------------/
/ FatFs Functional Configurations
/---------------------------------------------------------------------------*/
#ifndef FF_CONFIG_H
#define FF_CONFIG_H
#define FFCONF_DEF 80196 /* Revision ID */
/*---------------------------------------------------------------------------/
/ Function Configurations
/---------------------------------------------------------------------------*/
#define FF_FS_READONLY 0
/* This option switches read-only configuration. (0:Read/Write or 1:Read-only)
/ Read-only configuration removes writing API functions, f_write(), f_sync(),
/ f_unlink(), f_mkdir(), f_chmod(), f_rename(), f_truncate(), f_getfree()
/ and optional writing functions as well. */
#define FF_FS_MINIMIZE 0
/* This option defines minimization level to remove some basic API functions.
/
/ 0: Basic functions are fully enabled.
/ 1: f_stat(), f_getfree(), f_unlink(), f_mkdir(), f_truncate() and f_rename()
/ are removed.
/ 2: f_opendir(), f_readdir() and f_closedir() are removed in addition to 1.
/ 3: f_lseek() function is removed in addition to 2. */
#define FF_USE_STRFUNC 2
/* This option switches string functions, f_gets(), f_putc(), f_puts() and f_printf().
/
/ 0: Disable string functions.
/ 1: Enable without LF-CRLF conversion.
/ 2: Enable with LF-CRLF conversion. */
#define FF_USE_FIND 0
/* This option switches filtered directory read functions, f_findfirst() and
/ f_findnext(). (0:Disable, 1:Enable 2:Enable with matching altname[] too) */
#define FF_USE_MKFS 1
/* This option switches f_mkfs() function. (0:Disable or 1:Enable) */
#define FF_USE_FASTSEEK 1
/* This option switches fast seek function. (0:Disable or 1:Enable) */
#define FF_USE_EXPAND 0
/* This option switches f_expand function. (0:Disable or 1:Enable) */
#define FF_USE_CHMOD 1
/* This option switches attribute manipulation functions, f_chmod() and f_utime().
/ (0:Disable or 1:Enable) Also FF_FS_READONLY needs to be 0 to enable this option. */
#define FF_USE_LABEL 0
/* This option switches volume label functions, f_getlabel() and f_setlabel().
/ (0:Disable or 1:Enable) */
#define FF_USE_FORWARD 0
/* This option switches f_forward() function. (0:Disable or 1:Enable) */
/*---------------------------------------------------------------------------/
/ Locale and Namespace Configurations
/---------------------------------------------------------------------------*/
#define FF_CODE_PAGE 936
/* This option specifies the OEM code page to be used on the target system.
/ Incorrect code page setting can cause a file open failure.
/
/ 437 - U.S.
/ 720 - Arabic
/ 737 - Greek
/ 771 - KBL
/ 775 - Baltic
/ 850 - Latin 1
/ 852 - Latin 2
/ 855 - Cyrillic
/ 857 - Turkish
/ 860 - Portuguese
/ 861 - Icelandic
/ 862 - Hebrew
/ 863 - Canadian French
/ 864 - Arabic
/ 865 - Nordic
/ 866 - Russian
/ 869 - Greek 2
/ 932 - Japanese (DBCS)
/ 936 - Simplified Chinese (DBCS)
/ 949 - Korean (DBCS)
/ 950 - Traditional Chinese (DBCS)
/ 0 - Include all code pages above and configured by f_setcp()
*/
#define FF_USE_LFN 3
#define FF_MAX_LFN 255
/* The FF_USE_LFN switches the support for LFN (long file name).
/
/ 0: Disable LFN. FF_MAX_LFN has no effect.
/ 1: Enable LFN with static working buffer on the BSS. Always NOT thread-safe.
/ 2: Enable LFN with dynamic working buffer on the STACK.
/ 3: Enable LFN with dynamic working buffer on the HEAP.
/
/ To enable the LFN, ffunicode.c needs to be added to the project. The LFN function
/ requiers certain internal working buffer occupies (FF_MAX_LFN + 1) * 2 bytes and
/ additional (FF_MAX_LFN + 44) / 15 * 32 bytes when exFAT is enabled.
/ The FF_MAX_LFN defines size of the working buffer in UTF-16 code unit and it can
/ be in range of 12 to 255. It is recommended to be set it 255 to fully support LFN
/ specification.
/ When use stack for the working buffer, take care on stack overflow. When use heap
/ memory for the working buffer, memory management functions, ff_memalloc() and
/ ff_memfree() exemplified in ffsystem.c, need to be added to the project. */
#define FF_LFN_UNICODE 2
/* This option switches the character encoding on the API when LFN is enabled.
/
/ 0: ANSI/OEM in current CP (TCHAR = char)
/ 1: Unicode in UTF-16 (TCHAR = WCHAR)
/ 2: Unicode in UTF-8 (TCHAR = char)
/ 3: Unicode in UTF-32 (TCHAR = DWORD)
/
/ Also behavior of string I/O functions will be affected by this option.
/ When LFN is not enabled, this option has no effect. */
#define FF_LFN_BUF 128
#define FF_SFN_BUF 12
/* This set of options defines size of file name members in the FILINFO structure
/ which is used to read out directory items. These values should be suffcient for
/ the file names to read. The maximum possible length of the read file name depends
/ on character encoding. When LFN is not enabled, these options have no effect. */
#define FF_STRF_ENCODE 3
/* When FF_LFN_UNICODE >= 1 with LFN enabled, string I/O functions, f_gets(),
/ f_putc(), f_puts and f_printf() convert the character encoding in it.
/ This option selects assumption of character encoding ON THE FILE to be
/ read/written via those functions.
/
/ 0: ANSI/OEM in current CP
/ 1: Unicode in UTF-16LE
/ 2: Unicode in UTF-16BE
/ 3: Unicode in UTF-8
*/
#define FF_FS_RPATH 2
/* This option configures support for relative path.
/
/ 0: Disable relative path and remove related functions.
/ 1: Enable relative path. f_chdir() and f_chdrive() are available.
/ 2: f_getcwd() function is available in addition to 1.
*/
/*---------------------------------------------------------------------------/
/ Drive/Volume Configurations
/---------------------------------------------------------------------------*/
#define FF_VOLUMES 10/**< 逻辑驱动号就是挂载的设备号0:，也对应设备驱动号DEV_SPI_FLASH*/
/* Number of volumes (logical drives) to be used. (1-10) */
#define FF_STR_VOLUME_ID 0
#define FF_VOLUME_STRS "RAM","NAND","CF","SD","SD2","USB","USB2","USB3"
/* FF_STR_VOLUME_ID switches support for volume ID in arbitrary strings.
/ When FF_STR_VOLUME_ID is set to 1 or 2, arbitrary strings can be used as drive
/ number in the path name. FF_VOLUME_STRS defines the volume ID strings for each
/ logical drives. Number of items must not be less than FF_VOLUMES. Valid
/ characters for the volume ID strings are A-Z, a-z and 0-9, however, they are
/ compared in case-insensitive. If FF_STR_VOLUME_ID >= 1 and FF_VOLUME_STRS is
/ not defined, a user defined volume string table needs to be defined as:
/
/ const char* VolumeStr[FF_VOLUMES] = {"ram","flash","sd","usb",...
*/
#define FF_MULTI_PARTITION 0
/* This option switches support for multiple volumes on the physical drive.
/ By default (0), each logical drive number is bound to the same physical drive
/ number and only an FAT volume found on the physical drive will be mounted.
/ When this function is enabled (1), each logical drive number can be bound to
/ arbitrary physical drive and partition listed in the VolToPart[]. Also f_fdisk()
/ funciton will be available. */
#define FF_MIN_SS 512
#define FF_MAX_SS 512
/* This set of options configures the range of sector size to be supported. (512,
/ 1024, 2048 or 4096) Always set both 512 for most systems, generic memory card and
/ harddisk. But a larger value may be required for on-board flash memory and some
/ type of optical media. When FF_MAX_SS is larger than FF_MIN_SS, FatFs is configured
/ for variable sector size mode and disk_ioctl() function needs to implement
/ GET_SECTOR_SIZE command. */
#define FF_LBA64 0
/* This option switches support for 64-bit LBA. (0:Disable or 1:Enable)
/ To enable the 64-bit LBA, also exFAT needs to be enabled. (FF_FS_EXFAT == 1) */
#define FF_MIN_GPT 0x10000000
/* Minimum number of sectors to switch GPT as partitioning format in f_mkfs and
/ f_fdisk function. 0x100000000 max. This option has no effect when FF_LBA64 == 0. */
#define FF_USE_TRIM 0
/* This option switches support for ATA-TRIM. (0:Disable or 1:Enable)
/ To enable Trim function, also CTRL_TRIM command should be implemented to the
/ disk_ioctl() function. */
/*---------------------------------------------------------------------------/
/ System Configurations
/---------------------------------------------------------------------------*/
#define FF_FS_TINY 0
/* This option switches tiny buffer configuration. (0:Normal or 1:Tiny)
/ At the tiny configuration, size of file object (FIL) is shrinked FF_MAX_SS bytes.
/ Instead of private sector buffer eliminated from the file object, common sector
/ buffer in the filesystem object (FATFS) is used for the file data transfer. */
#define FF_FS_EXFAT 0
/* This option switches support for exFAT filesystem. (0:Disable or 1:Enable)
/ To enable exFAT, also LFN needs to be enabled. (FF_USE_LFN >= 1)
/ Note that enabling exFAT discards ANSI C (C89) compatibility. */
#define FF_FS_NORTC 0
#define FF_NORTC_MON 1
#define FF_NORTC_MDAY 1
#define FF_NORTC_YEAR 2020
/* The option FF_FS_NORTC switches timestamp functiton. If the system does not have
/ any RTC function or valid timestamp is not needed, set FF_FS_NORTC = 1 to disable
/ the timestamp function. Every object modified by FatFs will have a fixed timestamp
/ defined by FF_NORTC_MON, FF_NORTC_MDAY and FF_NORTC_YEAR in local time.
/ To enable timestamp function (FF_FS_NORTC = 0), get_fattime() function need to be
/ added to the project to read current time form real-time clock. FF_NORTC_MON,
/ FF_NORTC_MDAY and FF_NORTC_YEAR have no effect.
/ These options have no effect in read-only configuration (FF_FS_READONLY = 1). */
#define FF_FS_NOFSINFO 0
/* If you need to know correct free space on the FAT32 volume, set bit 0 of this
/ option, and f_getfree() function at first time after volume mount will force
/ a full FAT scan. Bit 1 controls the use of last allocated cluster number.
/
/ bit0=0: Use free cluster count in the FSINFO if available.
/ bit0=1: Do not trust free cluster count in the FSINFO.
/ bit1=0: Use last allocated cluster number in the FSINFO if available.
/ bit1=1: Do not trust last allocated cluster number in the FSINFO.
*/
#define FF_FS_LOCK 0
/* The option FF_FS_LOCK switches file lock function to control duplicated file open
/ and illegal operation to open objects. This option must be 0 when FF_FS_READONLY
/ is 1.
/
/ 0: Disable file lock function. To avoid volume corruption, application program
/ should avoid illegal open, remove and rename to the open objects.
/ >0: Enable file lock function. The value defines how many files/sub-directories
/ can be opened simultaneously under file lock control. Note that the file
/ lock control is independent of re-entrancy. */
#include "cmsis_os.h" // O/S definitions
#define FF_FS_REENTRANT 1
#define FF_FS_TIMEOUT 1000
#define FF_SYNC_t osMutexId
/* The option FF_FS_REENTRANT switches the re-entrancy (thread safe) of the FatFs
/ module itself. Note that regardless of this option, file access to different
/ volume is always re-entrant and volume control functions, f_mount(), f_mkfs()
/ and f_fdisk() function, are always not re-entrant. Only file/directory access
/ to the same volume is under control of this function.
/
/ 0: Disable re-entrancy. FF_FS_TIMEOUT and FF_SYNC_t have no effect.
/ 1: Enable re-entrancy. Also user provided synchronization handlers,
/ ff_req_grant(), ff_rel_grant(), ff_del_syncobj() and ff_cre_syncobj()
/ function, must be added to the project. Samples are available in
/ option/syscall.c.
/
/ The FF_FS_TIMEOUT defines timeout period in unit of time tick.
/ The FF_SYNC_t defines O/S dependent sync object type. e.g. HANDLE, ID, OS_EVENT*,
/ SemaphoreHandle_t and etc. A header file for O/S definitions needs to be
/ included somewhere in the scope of ff.h. */
#endif
/*--- End of configuration options ---*/
/**
* @file fatfs_opt.c
*
* @date 2021-01-05
*
* @author aron566
*
* @copyright None.
*
* @brief 文件系统操作
*
* @details 1、
*
* @version V1.0
*/
#ifdef __cplusplus ///<use C compiler
extern "C" {
#endif
/** Includes -----------------------------------------------------------------*/
/* Private includes ----------------------------------------------------------*/
#include "fatfs_opt.h"
#include "ff.h"
/** Private typedef ----------------------------------------------------------*/
/** Private macros -----------------------------------------------------------*/
/** Private constants --------------------------------------------------------*/
/** Public variables ---------------------------------------------------------*/
/** Private variables --------------------------------------------------------*/
static BYTE work[FF_MAX_SS];/**< 挂载工作内存,不可放入线程,占用内存太大*/
static FATFS fsobject;/**< 磁盘挂载对象,不可放入线程,占用内存太大*/
static FIL fp;/**< 文件对象,不可放入线程,占用内存太大*/
/** Private function prototypes ----------------------------------------------*/
/** Private user code --------------------------------------------------------*/
/** Private application code -------------------------------------------------*/
/*******************************************************************************
*
* Static code
*
********************************************************************************
*/
/** Public application code --------------------------------------------------*/
/*******************************************************************************
*
* Public code
*
********************************************************************************
*/
/**
******************************************************************
* @brief 测试fatfs
* @param [in]None
* @return None
* @author aron566
* @version V1.0
* @date 2020-01-05
******************************************************************
*/
void fs_test(void)
{
// MKFS_PARM parm;
// parm.fmt = FM_FAT32;
// parm.n_fat = 0;/*逻辑驱动器号*/
// parm.align = 512; /*分配扇区大小*/
// parm.n_root = 0;
// parm.au_size = 0;
// printf("fatfs test start.\n");
// /* 格式化文件系统 */
// res = f_mkfs("3:", &parm, work, sizeof(work));//"3:"是卷标，来自于 #define SPI_FLASH 0
// if (res)
// {
// printf("format faild.\n");
// return ;
// }
// else
// {
// printf("format ok.\n");
// }
/*挂载*/
FRESULT res;
res = f_mount(&fsobject, "3:", 1); /**< 挂载文件系统, "3:"就是挂载的设备号为3的设备,1立即执行挂载*/
if(res == FR_NO_FILESYSTEM) /**< FR_NO_FILESYSTEM值为13,表示没有有效的设备*/
{
printf("res = %d\r\n", res);
res = f_mkfs("3:", 0, work, sizeof(work));
printf("f_mkfs is over\r\n");
printf("res = %d\r\n", res);
res = f_mount(NULL, "3:", 1);/**< 取消文件系统*/
res = f_mount(&fsobject, "3:", 1);/**< 挂载文件系统*/
}
printf("res = %d\r\n", res);
/*创建文件*/
res = f_open(&fp, "3:/test.txt", FA_CREATE_NEW|FA_WRITE|FA_READ);
if(res)
{
printf("open file faild.\r\n");
if(res == FR_EXIST)
{
printf("the file is existed.\r\n");
f_open(&fp, "3:/test.txt", FA_WRITE|FA_READ);
}
}
else
{
printf("open file ok.\r\n");
}
/* write a message */
UINT write_size;
res = f_write(&fp, "Hello,World!", 12, &write_size);
//printf("res write:%d\r\n",res);
if (write_size == 12)
{
printf("write ok!\r\n");
}
else
{
printf("write faild!\r\n");
}
FSIZE_t fsize;
fsize = f_size(&fp);
printf("file size:%d Bytes.\r\n",fsize);
BYTE buf[50];
memset(buf, 0, 50);
f_lseek(&fp, 0);
UINT read_size;
res = f_read(&fp, buf, 12, &read_size);
if (res == FR_OK)
{
printf("read file ok!\r\n");
printf("read size:%d Bytes.\r\n",read_size);
}
else
{
printf("read file faild!\r\n");
}
printf("read data:\r\n");
for(int index = 0;index < 12;index++)
{
printf("0x%02X ",buf[index]);
}
printf("\n%s\n", buf);
/*关闭文件*/
f_close(&fp);
}
#include "sfud.h"
/**
* SFUD demo for the first flash device test.
*
* @param addr flash start address
* @param size test flash size
* @param size test flash data buffer
*/
void sfud_demo(uint32_t addr, size_t size, uint8_t *data)
{
sfud_err result = SFUD_SUCCESS;
extern sfud_flash *sfud_dev;
const sfud_flash *flash = sfud_get_device(SFUD_W25Q16BV_DEVICE_INDEX);
size_t i;
/* prepare write data */
for (i = 0; i < size; i++)
{
data[i] = i;
}
/* erase test */
result = sfud_erase(flash, addr, size);
if (result == SFUD_SUCCESS)
{
printf("Erase the %s flash data finish. Start from 0x%08X, size is %zu.\r\n", flash->name, addr, size);
}
else
{
printf("Erase the %s flash data failed.\r\n", flash->name);
return;
}
/* write test */
result = sfud_write(flash, addr, size, data);
if (result == SFUD_SUCCESS)
{
printf("Write the %s flash data finish. Start from 0x%08X, size is %zu.\r\n", flash->name, addr, size);
}
else
{
printf("Write the %s flash data failed.\r\n", flash->name);
return;
}
/* read test */
result = sfud_read(flash, addr, size, data);
if (result == SFUD_SUCCESS)
{
printf("Read the %s flash data success. Start from 0x%08X, size is %zu. The data is:\r\n", flash->name, addr, size);
printf("Offset (h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F\r\n");
for (i = 0; i < size; i++)
{
if (i % 16 == 0)
{
printf("[%08X] ", addr + i);
}
printf("%02X ", data[i]);
if (((i + 1) % 16 == 0) || i == size - 1)
{
printf("\r\n");
}
}
printf("\r\n");
}
else
{
printf("Read the %s flash data failed.\r\n", flash->name);
}
/* data check */
for (i = 0; i < size; i++)
{
if (data[i] != i % 256)
{
printf("Read and check write data has an error. Write the %s flash data failed.\r\n", flash->name);
break;
}
}
if (i == size)
{
printf("The %s flash test is success.\r\n", flash->name);
}
}
#ifdef __cplusplus ///<end extern c
}
#endif
/******************************** End of file *********************************/