DFS挂载w25q不成功

发布于 2024-09-28 12:28:24 浏览：400 订阅该版

3 个回答

LoongYang 2024-09-28

漫漫人生路，一直在迷路！

LoongYang 2024-10-01

漫漫人生路，一直在迷路！

LoongYang 2024-10-01

漫漫人生路，一直在迷路！

#define FS_PARTITION_NAME  "filesystem"

int flash_partition_init(void)
{
	/* 初始化 fal 功能 */
	fal_init();

/* 在 spi flash 中名为 "filesystem" 的分区上创建一个块设备 */
	struct rt_device *flash_dev = fal_blk_device_create(FS_PARTITION_NAME);
	if (flash_dev == NULL){
		rt_kprintf("Can't create a block device on '%s' partition.\n", FS_PARTITION_NAME);
	}
	else{
		rt_kprintf("Create a block device on the %s partition of flash successful.\n", FS_PARTITION_NAME);
	}
	return RT_EOK;
}
INIT_ENV_EXPORT(flash_partition_init);

int format_filesystem(void)
{
	// 格式化文件系统
	if (dfs_mkfs("elm", "filesystem") != RT_EOK)
	{
		rt_kprintf("Failed to format filesystem\n");
		return -RT_ERROR;
	}
	rt_kprintf("Filesystem formatted successfully\n");
	return RT_EOK;
}

int mount_filesystem(void)
{
	if (dfs_mount("filesystem", "/", "elm", 0, 0) == 0)
	{
		rt_kprintf("Filesystem mounted successfully\n");
		return RT_EOK;
	}
	else
	{
		rt_kprintf("Failed to mount filesystem\n");
		return -RT_ERROR;
	}
}

int init_spi_flash_filesystem(void)
{ 
	// 检查文件系统是否已经存在
	DIR *dir = opendir("/");
	if (dir == NULL)
	{
		// 文件系统不存在，需要格式化
		if (format_filesystem() != RT_EOK)
		{
				return -RT_ERROR;
		}
	}
	else{
		closedir(dir);
	}
	// 挂载文件系统
	return mount_filesystem();
}
INIT_APP_EXPORT(init_spi_flash_filesystem);
补充代码，执行就创建根目录