stm32f429 把片内flash挂载到文件系统上时不成功

发布于 2023-11-10 19:31:29 浏览：582 订阅该版

使用的是STM32429BIT6 内部flash有2MB 想把最后一个扇区128KB挂载到文件系统上，现在出现The sector size of device is greater than the sector size of FAT.这个问题
查找资料说是修改这两个地方，但是没用
dfs.h
```
ifndef SECTOR_SIZE
define SECTOR_SIZE              4096
endif
rtconfig.h
define RT_DFS_ELM_MAX_SECTOR_SIZE 4096
```

```c
[D/FAL] (fal_flash_init:47) Flash device |        onchip_flash_128k | addr: 0x00020000 | len: 0x001c0000 | blk_size: 0x00020000 |initialized finish.
[I/FAL] ==================== FAL partition table ====================
[I/FAL] | name | flash_dev         |   offset   |    length  |
[I/FAL] -------------------------------------------------------------
[I/FAL] | data | onchip_flash_128k | 0x001a0000 | 0x00020000 |
[I/FAL] =============================================================
[I/FAL] RT-Thread Flash Abstraction Layer initialize success.
[I/FAL] The FAL block device (data) created successfully
Create a block device on the data partition of flash successful.
format error, result=1
The sector size of device is greater than the sector size of FAT.
onchip elm filesystem mount to '/' failed!
```