STM32 文件系统

20 RT-Thread的文件系统创建文件夹，进入文件夹可以，不能创建文件本身，请大神们详细看下帮忙解决

发布于 2025-04-01 11:22:27 浏览：203 订阅该版

配置如下图

![screenshot_1743477118348.png](https://oss-club.rt-thread.org/uploads/20250401/2fcb985e156cda940fbbba72a5c26597.png)

挂载代码

```c
#define DBG_TAG "fatfs"
#define DBG_LVL DBG_LOG
#include <ulog.h>
#include <fatfs.h>
#include <rtthread.h>
#include <rtdevice.h>
#include <spi_flash_sfud.h>
#include <dfs.h>
#include <dfs_fs.h>
#include <fal_cfg.h>
#include <dfs_posix.h>
#include <cjson.h>
#include <dfs_romfs.h>

const char configfile[] = "/config.json";
const char text[] = "hello world!";
static const struct romfs_dirent _romfs_root[] = {
    {ROMFS_DIRENT_DIR, "stm32flash", RT_NULL, 0},
    {ROMFS_DIRENT_DIR, "norflash", RT_NULL, 0},
    {ROMFS_DIRENT_FILE, "run.log", text, sizeof(text)}
};
const struct romfs_dirent romfs_root = {
    ROMFS_DIRENT_DIR, "/", (rt_uint8_t *)_romfs_root, sizeof(_romfs_root) / sizeof(_romfs_root[0])
};

void fatfs_init(void)
{
    int result;

result = dfs_mount(RT_NULL,"/", "rom",0,&(romfs_root));//创建根目录只读文件系统。
        if (result == 0)
        {
            LOG_I("ROM file system initializated!\n");
        }
        else
        {
            LOG_E("ROM file system initializate failed!\n");
        }
        //将整个NOR Flash 块设备作为文件系统挂载到目录 "/norflash"
        /*若要把文件系统挂载到fal的分区，则须先把分区号变成块设备，
                            使用函数fal_mtd_nor_device_create()或fal_blk_device_create()将分区转换为块设备.
           #define FAL_PART_TABLE \
            { \
                {FAL_PART_MAGIC_WORD, "dowload", "norflash0", 0x00C00000, 0x00400000, 0}, \
            }
            struct rt_device *flash_dev = fal_blk_device_create("dowload");
            dfs_mount("dowload", "/norflash0", "elm", 0, 0)*/
//      struct rt_device *flash_dev = fal_blk_device_create("record");
//      dfs_mkfs("elm", "record");
//      if(dfs_mount("record", "/norflash", "elm", 0, 0) == 0 ){
//                  LOG_I("record mount to FATFS success!\n");
//              }

if(dfs_mount(NOR_FLASH_DEV_NAME, "/norflash", "elm", 0, 0) == 0 ){
            LOG_I("NOR_flash mount to FATFS nofirst success!\n");
        }
    else {
        result = dfs_mkfs("elm", NOR_FLASH_DEV_NAME);//第一次挂载需格式化，创建 FATFS 文件系统。
          if (result == 0)
            {
                LOG_I("File system created successfully on nor_flash.\n");
            }
          else
            {
                LOG_E("Failed to create file system on nor_flash.\n");

}
         if(dfs_mount(NOR_FLASH_DEV_NAME, "/norflash", "elm", 0, 0) == 0){//格式化后再次挂载 "/"
             LOG_I("NOR_flash mount to FATFS first success!\n");
             }
         else
            {
             LOG_E("NOR_flash mount to FATFS first failed!\n");
            }
        }

}
```
fal_cfg.h文件如下

```c

#ifndef _FAL_CFG_H_
#define _FAL_CFG_H_

#include <rtconfig.h>
#include <board.h>

#define RT_APP_PART_ADDR               0x8008000

#define NOR_FLASH_DEV_NAME             "norflash0"

/* ===================== Flash device Configuration ========================= */
extern const struct fal_flash_dev stm32f1_onchip_flash;
extern struct fal_flash_dev nor_flash0;

/* flash device table */
#define FAL_FLASH_DEV_TABLE                                          \
{                                                                    \
    &stm32f1_onchip_flash,                                           \
    &nor_flash0,                                                     \
}
/* ====================== Partition Configuration ========================== */
#ifdef FAL_PART_HAS_TABLE_CFG
/* partition table */
#define FAL_PART_TABLE                                                               \
{                                                                                    \
    {FAL_PART_MAGIC_WORD,        "bl",     "stm32_onchip",         0,   64*1024, 0}, \
    {FAL_PART_MAGIC_WORD,       "app",     "stm32_onchip",   32*1024,  476*1024, 0}, \
    {FAL_PART_MAGIC_WORD,      "para",     "stm32_onchip",   508*1024,   4*1024, 0}, \
    {FAL_PART_MAGIC_WORD,  "download",   NOR_FLASH_DEV_NAME,     1024*1024,     1024*1024, 0}, \
    {FAL_PART_MAGIC_WORD,    "record",   NOR_FLASH_DEV_NAME,   2*1024*1024,   4*1024*1024, 0}, \
}
#endif /* FAL_PART_HAS_TABLE_CFG */

#endif /* _FAL_CFG_H_ */

```
再看打印信息

```c
 
 \ | /
- RT -     Thread Operating System
 / | \     5.1.0 build Apr  1 2025 11:01:24
 2006 - 2024 Copyright by RT-Thread team
[1] I/drv.rtc: RTC hasn't been configured, please use <date> command to config.
[12] I/sal.skt: Socket Abstraction Layer initialize success.
[20] I/at.clnt: AT client(V1.3.1) on device uart4 initialize success.
msh />[66] I/at.dev.esp32: esp32 device wifi is disconnect.
[1080] D/app_time: Read: Sec = 0 s, Usec = 49900 us

[1086] D/app_rtc: Sat Jan  1 00:00:00 2000

[1091] I/spi_flash: spiflash read W25Q ID is:15ef

[1258] I/SFUD: NOR_flash mount to FATFS nofirst success!

[1265] I/para: ParaInfo.ParaVersion is:aa

[1271] I/main: ParaInfo.Softversion is:250101

[1277] I/charge_thread: charge_thread is runnning!

[1283] I/meter_bl0939: BL0939_Thread is runnning!

[1294] I/main_thread: main_thread is runnning!

[1300] I/card_thread: card_Thread is runnning!

[1306] I/proto_thread: proto_thread is runnning!

[1406] I/cnet_thread: cnet_thread is runnning!

[6053] W/at.clnt: execute command (ATE0) timeout (5000 ticks)!
[6802] I/at.dev.esp32: esp32 device wifi is connected.
[7063] I/at.dev.esp32: esp32 device initialize retry...
[7117] I/at.dev.esp32: esp32 device wifi is disconnect.
[8125] W/at.clnt: execute command (AT+CIFSR) timeout (300 ticks)!
[8333] I/at.dev.esp32: esp32 device wifi is connected.
[13155] W/at.clnt: execute command (ATE0) timeout (5000 ticks)!
[14167] I/at.dev.esp32: esp32 device initialize retry...
[14223] I/at.dev.esp32: esp32 device wifi is disconnect.
[23546] I/at.dev.esp32: esp32 device wifi is connected.
[34223] W/at.clnt: execute command (AT+CIPDOMAIN="link.rt-thread.org") timeout (20000 ticks)!
[34601] E/at.clnt: execute command (AT+CIPSTART=0,"UDP","0.31.15.152",8101) failed!
[34675] E/at.clnt: execute command (AT+CIPCLOSE=0) failed!
[34737] I/at.dev.esp32: esp32 device wifi is disconnect.
[34879] I/at.dev.esp32: esp32 device wifi is connected.
[35882] I/at.dev.esp32: esp32 device network initialize successfully.

msh />list device
device           type         ref count
-------- -------------------- ----------
norflash Block Device         1       
W25Q64   SPI Device           0       
vcom     Character Device     0       
usbd     USB Slave Device     0       
rtc      RTC                  0       
pwm3     PWM Device           0       
wdt      WDT Device           0       
spi3     SPI Bus              0       
spi2     SPI Bus              0       
i2c1     I2C Bus              0       
timer5   Timer Device         0       
timer3   Timer Device         0       
timer2   Timer Device         1       
adc1     ADC Device           0       
uart5    Character Device     1       
uart4    Character Device     2       
uart3    Character Device     1       
uart2    Character Device     1       
uart1    Character Device     2       
pin      Pin Device           0       
msh />
msh />ls
Directory /:
stm32flash          <DIR>                    
norflash            <DIR>                    
run.log             13                       
msh />cat run.log
hello world!
msh />
msh />cd norflash
msh /norflash>
msh /norflash>mkdir record
msh /norflash>ls
Directory /norflash:
record              <DIR>                    
msh /norflash>mkfs config.txt
[139691] E/DFS: Device (config.txt) was not found
mkfs failed, result=-1
msh /norflash>
msh /norflash>cd record
msh /norflash/record>mkfs config.txt
[152609] E/DFS: Device (config.txt) was not found
mkfs failed, result=-1
msh /norflash/record>
```
msh /norflash/record>mkfs config.txt
[152609] E/DFS: Device (config.txt) was not found
mkfs failed, result=-1

创建文件夹可以 ，不能创建文件，用fal组件读写操作norflash没问题，请大神们详细看下帮忙解决