1. 修改diskio.c
/*-----------------------------------------------------------------------*/
/* 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 "sdmmc.h"
/* 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 */
/*-----------------------------------------------------------------------*/
/* Get current time */
/*-----------------------------------------------------------------------*/
DWORD get_fattime(void)
{
return 0;
}
/*-----------------------------------------------------------------------*/
/* Get Drive Status */
/*-----------------------------------------------------------------------*/
static DSTATUS MMC_disk_status()
{
DSTATUS stat = STA_NOINIT;
char result = GetStatus();
stat = result;
return stat;
}
DSTATUS disk_status (
BYTE pdrv /* Physical drive nmuber to identify the drive */
)
{
DSTATUS stat = STA_NOINIT;
switch (pdrv) {
case DEV_RAM :
// stat = RAM_disk_status();
// translate the reslut code here
return stat;
case DEV_MMC :
stat = MMC_disk_status();
// translate the reslut code here
return stat;
case DEV_USB :
// stat = USB_disk_status();
// translate the reslut code here
return stat;
}
return stat;
}
/*-----------------------------------------------------------------------*/
/* Inidialize a Drive */
/*-----------------------------------------------------------------------*/
static char MMC_disk_initialize()
{
DSTATUS stat = STA_NOINIT;
char result = GetInfo();
stat = result;
return stat;
}
DSTATUS disk_initialize (
BYTE pdrv /* Physical drive nmuber to identify the drive */
)
{
DSTATUS stat;
int result;
switch (pdrv) {
case DEV_RAM :
// result = RAM_disk_initialize();
// translate the reslut code here
return stat;
case DEV_MMC :
stat = MMC_disk_initialize();
// translate the reslut code here
return stat;
case DEV_USB :
// result = USB_disk_initialize();
// translate the reslut code here
return stat;
}
return STA_NOINIT;
}
/*-----------------------------------------------------------------------*/
/* Read Sector(s) */
/*-----------------------------------------------------------------------*/
static DRESULT MMC_disk_read(
BYTE *buff, /* Data buffer to store read data */
LBA_t sector, /* Start sector in LBA */
UINT count /* Number of sectors to read */
)
{
while(HAL_SD_CARD_TRANSFER != HAL_SD_GetCardState(&hsd1));
char result = HAL_SD_ReadBlocks(&hsd1, (uint8_t *)buff, sector, count, 0xffff);
return result;
}
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 */
)
{
DRESULT res = RES_ERROR;
int result;
switch (pdrv) {
case DEV_RAM :
// translate the arguments here
// result = RAM_disk_read(buff, sector, count);
// translate the reslut code here
return res;
case DEV_MMC :
// translate the arguments here
result = MMC_disk_read(buff, sector, count);
// translate the reslut code here
if(result == 0)res = RES_OK;
return res;
case DEV_USB :
// translate the arguments here
// result = USB_disk_read(buff, sector, count);
// translate the reslut code here
return res;
}
return RES_PARERR;
}
/*-----------------------------------------------------------------------*/
/* Write Sector(s) */
/*-----------------------------------------------------------------------*/
#if FF_FS_READONLY == 0
static DRESULT MMC_disk_write(
const BYTE *buff, /* Data buffer to store read data */
LBA_t sector, /* Start sector in LBA */
UINT count /* Number of sectors to read */
)
{
while(HAL_SD_CARD_TRANSFER != HAL_SD_GetCardState(&hsd1));
char result = HAL_SD_WriteBlocks(&hsd1, (uint8_t *)buff, sector, count, 0xffff);
return result;
}
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 */
)
{
DRESULT res = RES_ERROR;
int result;
switch (pdrv) {
case DEV_RAM :
// translate the arguments here
// result = RAM_disk_write(buff, sector, count);
// translate the reslut code here
return res;
case DEV_MMC :
// translate the arguments here
result = MMC_disk_write(buff, sector, count);
// translate the reslut code here
if(result == 0)res = RES_OK;
return res;
case DEV_USB :
// translate the arguments here
// result = USB_disk_write(buff, sector, count);
// translate the reslut code here
return res;
}
return RES_PARERR;
}
#endif
/*-----------------------------------------------------------------------*/
/* Miscellaneous Functions */
/*-----------------------------------------------------------------------*/
DRESULT disk_ioctl (
BYTE pdrv, /* Physical drive nmuber (0..) */
BYTE cmd, /* Control code */
void *buff /* Buffer to send/receive control data */
)
{
DRESULT res = RES_ERROR;
int delay = 10240;
HAL_SD_CardInfoTypeDef SDCard;
switch (pdrv) {
case DEV_RAM :
// Process of the command for the RAM drive
return res;
case DEV_MMC :
HAL_SD_GetCardInfo(&hsd1,&SDCard);
uint64_t CardCap=(uint64_t)(SDCard.LogBlockNbr)*(uint64_t)(SDCard.LogBlockSize);
// Process of the command for the MMC/SD card
switch ( cmd ) //fatfs ں ʹ cmd
{
case GET_SECTOR_COUNT: //
*(DWORD*)buff = SDCard.BlockNbr;
return RES_OK;
case GET_SECTOR_SIZE: // С λbytes
*(DWORD*)buff = SDCard.BlockSize;
return RES_OK;
case GET_BLOCK_SIZE: //block size,
*(DWORD*)buff = 1; // λΪ sector(FatFs)
return RES_OK;
case CTRL_SYNC: //ͬ ò FatFs ں ж д Ƿ
return RES_OK;
}
return RES_OK;
case DEV_USB :
// Process of the command the USB drive
return res;
}
return RES_PARERR;
}
2. 实现文件操作
/*
* fileapp.c
*
* Created on: Nov 3, 2023
* Author: luobo
*/
#include "fileapp.h"
volatile BYTE sd_plugin = 0;
volatile BYTE sd_inited = 0;
volatile FATFS FatFs_user; /* 每个逻辑驱动器的文件系统对象 */
volatile FIL File_user; /* 文件对象 */
FRESULT res_sd_user; /* FatFs_user 函数公共结果代码 */
UINT br, bw; /* 文件写字节计数 */
BYTE FF_Buff[FF_MAX_SS] = "Fatfs file test\r\n"; /* Working buffer */
BYTE FF_Buff2[FF_MAX_SS] = "6666666666666666666666666666666666666666666666666666\r\n";
/************************************************
函数名称: FF_System_Creates
功能： Fatfs文件系统注册
参数： Drive ---- 盘符
Opt ---- 0：现在不要安装（在第1次访问该卷时安装
1：强制安装该卷以检查它是否可以工作
返回值：无
*************************************************/
void FF_System_Creates( char *pDrive, uint8_t Opt )
{
/* 为 ? 辑驱动器工作区注册 */
res_sd_user = f_mount(&FatFs_user, pDrive, Opt);
if(1 == Opt)
{
/* 如果没有文件系统就格式化创建文件系统 */
if(res_sd_user == FR_NO_FILESYSTEM)
{
NRF_LOG_INFO("SD_formatting...\r\n");
res_sd_user = f_mkfs(pDrive, 0, FF_Buff, sizeof(FF_Buff)); // 格式 ????
if(res_sd_user == FR_OK)
{
NRF_LOG_INFO("SD formatting successful\r\n");
res_sd_user = f_mount(NULL, pDrive, 1); // 格式化后，先取消挂载
res_sd_user = f_mount(&FatFs_user, pDrive, 1); // 重新挂载
}
else
{
NRF_LOG_INFO("SD formatting file(error code:%d)\r\n",res_sd_user);
// while(1);
}
}
else if(res_sd_user != FR_OK)
{
NRF_LOG_INFO("Failed SD card.(error code:%d)\r\n",res_sd_user);
// while(1);
}
else
{
NRF_LOG_INFO("SD successful\r\n");
}
}
else
{
NRF_LOG_INFO("The file system is mounted successfully, and files can be read and written\r\n");
}
}
/************************************************
函数名称: FF_System_Uncreates
功能： Fatfs文件系统
参数： Drive ---- 盘符
Opt ---- 0：现在不要安装（在第1次访问该卷时安装
1：强制安装该卷以检查它是否可以工作
返回值：无
*************************************************/
void FF_System_Uncreates( char *pDrive)
{
/* 驱动器工作区注销 */
res_sd_user = f_mount(&FatFs_user, pDrive, 0); // 取消挂载
if(res_sd_user == FR_OK)
{
NRF_LOG_INFO("Unmount a Logical Drive successfully: %s\r\n", pDrive);
}
}
void FF_Mount_System(char *pDrive)
{
res_sd_user = f_mount(&FatFs_user, pDrive, 1); // 挂载
if(res_sd_user == FR_OK)
{
NRF_LOG_INFO("Mount a Logical Drive successfully: %s\r\n", pDrive);
}
}
/************************************************
函数名称: FF_Create
功能： 创建文件
参数： pFile ---- 要创建的文件
返回值： 0 / 1
*************************************************/
uint8_t FF_Create( char *pFile)
{
uint8_t temp = 0;
res_sd_user = f_open(&File_user, pFile, FA_CREATE_ALWAYS);
if( res_sd_user == FR_OK )
{
NRF_LOG_INFO("create Success: %s\r\n",pFile);
f_close(&File_user); // 不再读写，关闭文件
}
else
{
NRF_LOG_INFO("Fail to create the file .\r\n");
}
return temp;
}
/************************************************
函数名称: FF_Open
功能： 打开文件
参数： pFile ---- 要打开的文件
返回值： 0 / 1
*************************************************/
uint8_t FF_Open( char *pFile)
{
uint8_t temp = 0;
res_sd_user = f_open(&File_user, pFile, FA_CREATE_ALWAYS);
if( res_sd_user == FR_OK )
{
NRF_LOG_INFO("Open Success: %s\r\n",pFile);
}
else
{
NRF_LOG_INFO("create the file .\r\n");
}
return temp;
}
/************************************************
函数名称: FF_Close
功能： 关闭文件
参数： pFile ---- 要关闭的文件
返回值： 0 / 1
*************************************************/
uint8_t FF_Close( char *pFile)
{
uint8_t temp = 0;
res_sd_user = f_close(&File_user); // 不再读写，关闭文件
if( res_sd_user == FR_OK )
{
NRF_LOG_INFO("Close Success: %s\r\n",pFile);
f_close(&File_user); // 不再读写，关闭文件
}
else
{
NRF_LOG_INFO("Failed to Close.\r\n");
}
return temp;
}
/************************************************
函数名称: FF_OpenWrite
功能： 打开文件并写入信息
参数： pFile ---- 要打开的文件
pStr ---- 要写入的信息
Len ---- 长度
返回值： 0 / 1
*************************************************/
uint8_t FF_OpenWrite( char *pFile, void *pStr, uint16_t Len )
{
uint8_t temp = 0;
static uint32_t count = 0;
res_sd_user = f_open(&File_user, pFile, FA_CREATE_ALWAYS | FA_WRITE );
if( res_sd_user == FR_OK )
{
//NRF_LOG_INFO("File opened successfully\r\n");
/* 将指定存储区内容写入到文件内 */
res_sd_user = f_write(&File_user, pStr, Len, &bw);
if(res_sd_user == FR_OK)
{
count +=bw;
NRF_LOG_INFO("write bytes: %d\r\n", count);
//NRF_LOG_INFO("The data written to the file is:\r\n%s\r\n", (char*)pStr);
temp = 1;
}
else
{
NRF_LOG_INFO("!!File write failure.(error code:%d)\r\n", res_sd_user);
}
f_close(&File_user); // 不再读写，关闭文件
}
else
{
NRF_LOG_INFO("Failed to open/create the file .\r\n");
}
return temp;
}
/************************************************
函数名称: FF_OpenWrite
功能： 打开文件并追加写入信息
参数： pFile ---- 要打开的文件
pStr ---- 要写入的信息
Len ---- 长度
返回值： 0 / 1
*************************************************/
uint8_t FF_OpenAppend( char *pFile, void *pStr, uint16_t Len )
{
uint8_t temp = 0;
uint32_t count = 0;
res_sd_user = f_open(&File_user, pFile, FA_OPEN_APPEND | FA_WRITE );
if(res_sd_user != FR_OK)
{
res_sd_user = f_open(&File_user, pFile, FA_CREATE_NEW | FA_WRITE );
}
if( res_sd_user == FR_OK )
{
//NRF_LOG_INFO("File opened successfully\r\n");
/* 将指定存储区内容写入到文件内 */
res_sd_user = f_write(&File_user, pStr, Len, &bw);
if(res_sd_user == FR_OK)
{
count = bw;
NRF_LOG_INFO("%s write bytes: %d\r\n", pFile, count);
//NRF_LOG_INFO("The data written to the file is:\r\n%s\r\n", (char*)pStr);
temp = 1;
}
else
{
NRF_LOG_INFO("!!File write failure.(error code:%d)\r\n", res_sd_user);
}
f_close(&File_user); // 不再读写，关闭文件
}
else
{
NRF_LOG_INFO("Failed to open/create the file .\r\n");
}
return temp;
}
/************************************************
函数名称: FF_OpenRead
功能：打开文件并读取信息
参数： pFile ---- 要打开的文件
pStr ---- 要读取的信息缓存
返回值： 0 / 1
*************************************************/
uint8_t FF_OpenRead( char *pFile, void *pStr, uint16_t Len )
{
uint8_t temp = 0;
res_sd_user = f_open(&File_user, pFile, FA_OPEN_EXISTING | FA_READ);
if(res_sd_user == FR_OK)
{
NRF_LOG_INFO("File opened successfully\r\n");
/* 将文件内容读取到指定存储区内 */
res_sd_user = f_read(&File_user, pStr, Len, &br);
if(res_sd_user == FR_OK)
{
NRF_LOG_INFO("File read successfully, read bytes: %d\r\n",br);
NRF_LOG_INFO("The file data obtained by reading is: %s\r\n", (char*)pStr);
temp = 1;
}
else
{
NRF_LOG_INFO("!!File write failure.(error code:%d)\r\n", res_sd_user);
}
}
else
{
NRF_LOG_INFO("!! Failed to open/create the file .\r\n");
}
f_close(&File_user); // 不再读写，关闭文 ????
return temp;
}
/************************************************
函数名称： FF_ViewRootDir
功能： Fatfs文件扫描显示
参数： Drive ---- 盘符
返回值：无
*************************************************/
void FF_ViewRootDir( char *pDrive )
{
/* 本函数使用的 ????部变量占用较多，请修改启动文件，保证堆栈空间够用 */
DIR DirInf;
FILINFO FileInf;
uint32_t cnt = 0;
/* 打开根文件夹 */
res_sd_user = f_opendir(&DirInf, pDrive);
if (res_sd_user != FR_OK)
{
NRF_LOG_INFO("Failed to open the root directory .(error code:%d)\r\n", res_sd_user);
return;
}
/* 读取当前文件夹下的文件和目录 */
NRF_LOG_INFO("\r\n| attribute \t\t| file size \t\t| name\r\n");
for (cnt = 0; ;cnt++)
{
res_sd_user = f_readdir(&DirInf, &FileInf); /* 读取目录项，索引会自动下 ???? */
if (res_sd_user != FR_OK || FileInf.fname[0] == 0)
{
break;
}
if (FileInf.fname[0] == '.')
{
continue;
}
/* 判断是文件类型及目录目录 */
switch(FileInf.fattrib)
{
case AM_DIR:
NRF_LOG_INFO("| (0x%02X)subdirectory\t\t", FileInf.fattrib);
break;
case AM_RDO:
NRF_LOG_INFO("| (0x%02X)r\t\t", FileInf.fattrib);
break;
case AM_HID:
NRF_LOG_INFO("| (0x%02X)h\t\t", FileInf.fattrib);
break;
case AM_SYS:
NRF_LOG_INFO("| (0x%02X)sys\t\t", FileInf.fattrib);
break;
case AM_ARC:
NRF_LOG_INFO("| (0x%02X)archived\t\t", FileInf.fattrib);
break;
default:
NRF_LOG_INFO("| (0x%02X)Unknown type\t\t", FileInf.fattrib);
break;
}
/* 打印文件大小, ???? ????4G */
NRF_LOG_INFO("| %1u\t\t", FileInf.fsize);
NRF_LOG_INFO("| %s\t\t\r\n", (char *)FileInf.fname); /* 长文件名 */
}
NRF_LOG_INFO("\r\n");
res_sd_user = f_closedir(&DirInf);
if (res_sd_user != FR_OK)
{
NRF_LOG_INFO("Failed to close the root directory .(error code:%d)\r\n", res_sd_user);
return;
}
}
/************************************************
函数名称: FF_MKDir
功能： Fatfs文件系统新建文件夹
参数： path ---- 路径
返回值：无
*************************************************/
void FF_MKDir(char *path)
{
int res_sd_user = f_mkdir(path);
switch(res_sd_user)
{
case FR_OK:
{
NRF_LOG_INFO("Create successfully Directory the root directory.\r\n");
break;
}
case FR_EXIST:
{
NRF_LOG_INFO("Directory exist.\r\n");
break;
}
default:
{
NRF_LOG_INFO("Failed to create Directory the root directory .(error code:%d)\r\n", res_sd_user);
break;
}
}
}
/************************************************
函数名称: FF_Delete
功能： Fatfs文件系统删除文件夹/文件
参数： path ---- 路径
返回值：无
*************************************************/
void FF_Delete(char *path)
{
int res_sd_user = f_unlink(path);
switch(res_sd_user)
{
case FR_OK:
{
NRF_LOG_INFO("Delete successfully %s.\r\n", path);
break;
}
case FR_NO_PATH:
{
NRF_LOG_INFO("Directory no exist.\r\n");
break;
}
case FR_NO_FILE:
{
NRF_LOG_INFO("File no exist.\r\n");
break;
}
default:
{
NRF_LOG_INFO("Failed to delete Directory the root directory .(error code:%d)\r\n", res_sd_user);
break;
}
}
}
/************************************************
函数名称: FF_Test
功能： Fatfs文件系统测试
参数：无
返回值：无
*************************************************/
void FF_Test(void)
{
uint32_t num = strlen(FF_Buff2);
FF_System_Creates(DRIVER_DISK, 1);
FF_OpenWrite("1:temp.txt", FF_Buff2, num);
FF_OpenRead("1:temp.txt", &FF_Buff[512], num);
FF_OpenWrite("1:temp1.txt", FF_Buff2, num);
FF_OpenRead("1:temp1.txt", &FF_Buff[512], num);
/* 不再使用文件系统，取消挂载文件系 ???? */
// f_mount(NULL, DRIVER_DISK, 1);
}
typedef char TCHAR;
/************************************************
函数名称: FF_Dir_Del
功能： 删除Fatfs文件系统指定文件夹下的文件夹及子文件夹/文件
参数：path ---- 路径
返回值：0/1
*************************************************/
FRESULT FF_Dir_Del(TCHAR* path)//递归删除文件夹
{
FRESULT res;
DIR dir;
UINT i;
static FILINFO fno;
res = f_opendir(&dir, path);//打开此文件夹
if (res == FR_OK){//成功打开文件夹
for (;;){//循环扫描文件夹和文件
res = f_readdir(&dir, &fno);//读取此文件家中的一个子文件
if (res != FR_OK || fno.fname[0] == 0) break;//读取错误或者已经扫描完此文件夹下的所有文件，跳出循环
if (fno.fattrib & AM_DIR) {//子文件为文件夹
i = strlen(path);//统计附文件夹路径长度
sprintf((char*)&path[i], "\\%s", fno.fname);//将子文件夹名加入路径
res = FF_Dir_Del(path);//递归进入子文件夹，扫描文件夹
if (res != FR_OK) break;//操作失败跳出循环
path[i] =0;//文件路径回退
}
else {//子文件为 文件类型
i = strlen(path);//统计附文件夹路径长度
sprintf((char*)&path[i], "\\%s", fno.fname);//将子文件名加入路径
res=f_unlink(path);//删除子文件
path[i] =0;//文件路径回退
}
}
res=f_closedir(&dir);//挂你打开的父文件夹
res=f_unlink(path);//删除已经清空的父文件夹
}
return res;
}
ffconf.h
/*---------------------------------------------------------------------------/
/ Configurations of FatFs Module
/---------------------------------------------------------------------------*/
#define FFCONF_DEF 80286 /* 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_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 0
/* 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) */
#define FF_USE_STRFUNC 2
#define FF_PRINT_LLI 1
#define FF_PRINT_FLOAT 1
#define FF_STRF_ENCODE 3
/* FF_USE_STRFUNC switches string functions, f_gets(), f_putc(), f_puts() and
/ f_printf().
/
/ 0: Disable. FF_PRINT_LLI, FF_PRINT_FLOAT and FF_STRF_ENCODE have no effect.
/ 1: Enable without LF-CRLF conversion.
/ 2: Enable with LF-CRLF conversion.
/
/ FF_PRINT_LLI = 1 makes f_printf() support long long argument and FF_PRINT_FLOAT = 1/2
/ makes f_printf() support floating point argument. These features want C99 or later.
/ When FF_LFN_UNICODE >= 1 with LFN enabled, string functions convert the character
/ encoding in it. FF_STRF_ENCODE 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
*/
/*---------------------------------------------------------------------------/
/ 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 255
#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_FS_RPATH 0
/* 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 2
/* 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 is needed 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()
/ function will be available. */
#define FF_MIN_SS 512
#define FF_MAX_SS 4096
/* 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 2022
/* The option FF_FS_NORTC switches timestamp feature. If the system does not have
/ an RTC or valid timestamp is not needed, set FF_FS_NORTC = 1 to disable the
/ timestamp feature. 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 the 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. */
#define FF_FS_REENTRANT 0
#define FF_FS_TIMEOUT 1000
/* 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 featuer.
/
/ 0: Disable re-entrancy. FF_FS_TIMEOUT have no effect.
/ 1: Enable re-entrancy. Also user provided synchronization handlers,
/ ff_mutex_create(), ff_mutex_delete(), ff_mutex_take() and ff_mutex_give()
/ function, must be added to the project. Samples are available in ffsystem.c.
/
/ The FF_FS_TIMEOUT defines timeout period in unit of O/S time tick.
*/
/*--- End of configuration options ---*/
4.使用文件系统
void StartDefaultTask(void *argument)
{
/* USER CODE BEGIN StartDefaultTask */
double time_t = 0;
// ϵ TF
if(GPIO_PIN_RESET == HAL_GPIO_ReadPin(GPIOD, GPIO_PIN_0))
{
printf("SD plug in\r\n");
MX_SDMMC1_SD_Init();
FF_System_Creates(DRIVER_DISK, 1);
FF_ViewRootDir(DRIVER_DISK);
sd_inited = 1;
}
/* Infinite loop */
for(;;)
{
if(1 == sd_plugin)
{
sd_plugin = 0;
osDelay(1000);
MX_SDMMC1_SD_Init();
FF_System_Creates(DRIVER_DISK, 1);
FF_ViewRootDir(DRIVER_DISK);
sd_inited = 1;
}
else if(2 == sd_plugin)
{
sd_plugin = 0;
FF_System_Uncreates(DRIVER_DISK);
HAL_SD_DeInit(&hsd1);
sd_inited = 0;
}
if(sd_inited && !(strncmp((char*)&usart6.rx_buf[0],MENU,strlen(MENU))))
{
usart6.rx_rear = 0;
memset(usart6.rx_buf,0,BUFF_SIZE);
printf("\r\nDrive letter:\t%s\r\n",DRIVER_DISK);
FF_ViewRootDir(DRIVER_DISK);
printf("CMD List\r\n");
printf("Exit:\t"MENU);
printf("Clear File:\t"CLEAR_FILE);
printf("Clear Folder:\t"CLEAR_DIR);
vTaskSuspend((TaskHandle_t)recTaskHandle); // recTaskHandle
while(1)
{
if(!(strncmp((char*)&usart6.rx_buf[0],MENU,strlen(MENU))))
{
usart6.rx_rear = 0;
memset(usart6.rx_buf,0,BUFF_SIZE);
printf("Exited MENU\r\n");
break;
}
else if(!(strncmp((char*)&usart6.rx_buf[0],CREATE_FILE,strlen(CREATE_FILE))))
{
usart6.rx_rear = 0;
memset(usart6.rx_buf,0,BUFF_SIZE);
printf("Input Path:\r\n");
while(!usart6.rx_rear);
FF_Delete((char*)usart6.rx_buf);
FF_ViewRootDir(DRIVER_DISK);
usart6.rx_rear = 0;
}
else if(!(strncmp((char*)&usart6.rx_buf[0],CREATE_DIR,strlen(CREATE_DIR))))
{
usart6.rx_rear = 0;
memset(usart6.rx_buf,0,BUFF_SIZE);
printf("Input Folder Path:\r\n");
while(!usart6.rx_rear);
FF_MKDir((char*)usart6.rx_buf);
FF_ViewRootDir(DRIVER_DISK);
usart6.rx_rear = 0;
}
else if(!(strncmp((char*)&usart6.rx_buf[0],CLEAR_FILE,strlen(CLEAR_FILE))))
{
usart6.rx_rear = 0;
memset(usart6.rx_buf,0,BUFF_SIZE);
printf("Input Path:\r\n");
while(!usart6.rx_rear);
FF_Delete((char*)usart6.rx_buf);
FF_ViewRootDir(DRIVER_DISK);
usart6.rx_rear = 0;
}
else if(!(strncmp((char*)&usart6.rx_buf[0],CLEAR_DIR,strlen(CLEAR_DIR))))
{
usart6.rx_rear = 0;
memset(usart6.rx_buf,0,BUFF_SIZE);
printf("Input Folder Path:\r\n");
while(!usart6.rx_rear);
FF_Dir_Del((char*)usart6.rx_buf);
FF_ViewRootDir(DRIVER_DISK);
usart6.rx_rear = 0;
}
else if(!(strncmp((char*)&usart6.rx_buf[0],AT_CMD,strlen(AT_CMD))))
{
if(*(u32*)(usart6.rx_buf)<=0XFF)
{
while(READ_BIT(UART8->CR1,1U<<7) != 0); // ȴ ͨ 8
UART8->TDR=*(u32*)usart6.rx_buf;
}
else
{
UART8SendCmd(usart6.rx_buf, strlen((char*)(usart6.rx_buf)));
}
usart6.rx_rear = 0;
memset(usart6.rx_buf,0,BUFF_SIZE);
}
}
vTaskResume((TaskHandle_t)recTaskHandle); // ָ recTaskHandle
}
osDelay(1);
}
/* USER CODE END StartDefaultTask */
}
标签：INFO,res,user,NRF,FatFS,FF,移植,sd From： https://www.cnblogs.com/boring-luobo/p/17935197.html