lfs_file_config lfs_cache_t lfs_mdir_t lfs_dir_t lfs_ctz lfs_file_t lfs_superblock_t lfs_t 接口的具体形式如下: lfs_format int lfs_format(lfs_t *lfs, const struct lfs_config *config); 功能描述: 用littlefs格式化块设备。 参数: lfs: 文件系统句柄。 config: 配置参数结构体。 返回值: 0...
int lfs_fstat(lfs_t *lfs, lfs_file_t *file, struct lfs_info *info); 功能描述: 查找有关文件的信息。 参数: lfs: 文件系统句柄。 file: 文件。 info: 信息。 返回值: 0: 成功 。 <0: 失败。 lfs_getattr lfs_ssize_t lfs_getattr(lfs_t *lfs, const char *path, uint8_t type, void *...
int lfs_fstat(lfs_t *lfs, lfs_file_t *file, struct lfs_info *info); 功能描述: 查找有关文件的信息。 参数: lfs: 文件系统句柄。 file: 文件。 info: 信息。 返回值: 0: 成功 。 <0: 失败。 lfs_getattr lfs_ssize_t lfs_getattr(lfs_t *lfs, const char *path, uint8_t type, void *...
此时lfs_file_open要改用lfs_file_opencfg并且设置缓冲区config.buffer 我们没有定义LFS_NO_MALLOC即...
打开文件时,相应lfs_file_t类型的文件数据加入到mlist: lfs_file_open(lfs_t*lfs,lfs_file_t*file,constchar*path,intflags)|->lfs_file_rawopen(lfs_t*lfs,lfs_file_t*file,|constchar*path,intflags)|->lfs_file_rawopencfg(lfs_t*lfs,lfs_file_t*file,|constchar*path,intflags,|conststructlfs...
// reformat if we can't mount the filesystem // this should only happen on the first boot if (err) { lfs_format(&lfs, &cfg); lfs_mount(&lfs, &cfg); } // read current count uint32_t boot_count = 0; lfs_file_open(&lfs, &file, "boot_count", LFS_O_RDWR | LFS_O_CREAT...
lfs_file_close(&lfs, &file); This has also happened in two other boards so it's not isolated to the one flash memory. Any ideas would be greatly appreciated. Hi@anzorein, sorry about the late response. Not sure why thelfs_file_opencould would be returning LFS_ERR_NOENT. You're rig...
lfs_file_rawopencfg(lfs_t*lfs,lfs_file_t*file,|constchar*path,intflags,|conststructlfs_file_config*cfg)|// 1. 根据路径查找对应tag和id|// 此时查找的为REG类型的tag,查找到的文件id存储在file->id|->lfs_stag_ttag=lfs_dir_find(lfs,&file->m,&path,&file->id);||// 2. 根据文件id查...
lfs.cOutdated @@ -2387,9 +2398,10 @@ int lfs_file_opencfg(lfs_t *lfs, lfs_file_t *file, ".buffer=%p, .attrs=%p, .attr_count=%"PRIu32"})", (void*)lfs, (void*)file,path,flags, (void*)cfg,cfg->buffer, (void*)cfg->attrs,cfg->attr_count); ...
lfs_size_t file_max;// Optional upper limit on custom attributes in bytes. No downside for //...